diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
deleted file mode 100644
index 102fe6f4..00000000
--- a/.gitea/workflows/ci.yml
+++ /dev/null
@@ -1,227 +0,0 @@
-# Gitea Actions CI gate for the self-hosted runners.
-#
-# Deliberately does NOT use actions/setup-dotnet: data.forgejo.org (the mirror
-# Gitea resolves actions from) does not host that action at all, and the
-# self-hosted runners carry the pinned SDK band from global.json already.
-# actions/checkout IS mirrored, so it is used normally.
-#
-# The suite runs through tools/run-release-gate.ps1 rather than a bare
-# `dotnet test`: that script owns the xUnit trait-lane filter which excludes
-# the InstalledDat / Live / Manual / OS-specific lanes. A bare `dotnet test`
-# fails ~36 tests by design because those lanes assert their own preconditions.
-name: CI
-on:
- push:
- branches: [main]
- # Docs-only pushes change nothing a test can fail on, and each gate run is
- # ~7 minutes of clean build + 14k tests + a 121 MB release. Skip them; a
- # code push (or manual dispatch) still runs everything from scratch —
- # deliberately uncached, so the gate keeps proving a from-nothing build.
- paths-ignore:
- - 'docs/**'
- - 'claude-memory/**'
- - 'memory/**'
- - '**.md'
- workflow_dispatch:
-
-jobs:
- windows-gate:
- runs-on: windows-latest
- timeout-minutes: 45
- steps:
- - uses: actions/checkout@v6
-
- - name: Verify the pinned SDK band resolves
- shell: pwsh
- run: |
- dotnet --version
- dotnet --list-sdks
-
- # NOT tools/run-release-gate.ps1 here. That script redirects every child
- # process to its own log file, so the step emits nothing for minutes at a
- # time; Forgejo treats a task that stops reporting as a zombie and fails
- # it while the work is still running (observed: job marked failed with 20
- # dotnet processes still alive and a complete 8.7 MB TRX on disk). Running
- # the projects directly keeps output streaming. The script stays the
- # canonical LOCAL gate; the trait filter below is copied from its default.
- - name: Build
- shell: pwsh
- run: dotnet build AcDream.slnx -c Release --nologo
-
- - name: Test (lane-filtered, streaming)
- shell: pwsh
- run: |
- $ErrorActionPreference = 'Stop'
- $filter = 'Lane!=InstalledDat&Lane!=PreparedPackage&Lane!=Live&Lane!=Manual&Lane!=Timing&Lane!=Windows&Lane!=Linux&Lane!=SystemFont&Purpose!=Diagnostic&Status!=KnownFailure'
- $failed = @()
- foreach ($proj in Get-ChildItem tests -Directory | Sort-Object Name) {
- $csproj = Join-Path $proj.FullName "$($proj.Name).csproj"
- if (-not (Test-Path $csproj)) { continue }
- Write-Host "::group::$($proj.Name)"
- dotnet test $csproj -c Release --no-build --nologo --filter $filter
- if ($LASTEXITCODE -ne 0) { $failed += $proj.Name }
- Write-Host "::endgroup::"
- }
- if ($failed.Count) { throw "Failed test projects: $($failed -join ', ')" }
-
- linux-portable:
- runs-on: ubuntu-latest
- timeout-minutes: 45
- steps:
- - uses: actions/checkout@v6
-
- - name: Portable closure (Linux lanes run here, not on Windows)
- run: |
- set -e
- dotnet --version
- # Core.Net runs SINGLE-THREADED here, on its own, and the split is
- # measured rather than defensive: on this 6-core container the
- # assembly FAILS in 40 s with default parallelism and PASSES in 10 s
- # with one thread. Its sessions do real socket work on background
- # threads, so contention both breaks and slows them. Windows has 18
- # cores, passes in ~7 s parallel, and REGRESSED when serialized, so
- # this stays scoped to Linux.
- echo '::group::AcDream.Core.Net.Tests (single-threaded)'
- dotnet test tests/AcDream.Core.Net.Tests/AcDream.Core.Net.Tests.csproj \
- -c Release --nologo \
- --filter 'Lane!=InstalledDat&Lane!=PreparedPackage&Lane!=Live&Lane!=Manual&Lane!=Timing&Lane!=Windows&Lane!=SystemFont&Purpose!=Diagnostic&Status!=KnownFailure' \
- -- xUnit.MaxParallelThreads=1
- echo '::endgroup::'
-
- for p in \
- tests/AcDream.Platform.Tests \
- tests/AcDream.Core.Tests \
- tests/AcDream.Content.Tests \
- tests/AcDream.Runtime.Tests \
- tests/AcDream.Headless.Tests \
- tests/AcDream.Launcher.Core.Tests \
- tests/AcDream.UI.Abstractions.Tests ; do
- echo "::group::$p"
- dotnet test "$p" -c Release --nologo \
- --filter 'Lane!=InstalledDat&Lane!=PreparedPackage&Lane!=Live&Lane!=Manual&Lane!=Timing&Lane!=Windows&Lane!=SystemFont&Purpose!=Diagnostic&Status!=KnownFailure'
- echo "::endgroup::"
- done
-
- release:
- # Same workflow rather than a workflow_run trigger: workflow_run is a
- # GitHub feature whose Forgejo support is unreliable, while `needs` is
- # guaranteed. A red gate therefore cannot publish.
- needs: [windows-gate, linux-portable]
- runs-on: windows-latest
- timeout-minutes: 60
- steps:
- - uses: actions/checkout@v6
-
- - name: Compute release version
- id: ver
- shell: pwsh
- run: |
- $v = '0.1.0-build.{0}' -f ([DateTime]::UtcNow.ToString('yyyyMMddHHmm'))
- "version=$v" | Out-File -FilePath $env:GITHUB_OUTPUT -Append -Encoding utf8
- Write-Host "release version: $v"
-
- - name: Build payloads with release-attachment URLs
- shell: pwsh
- env:
- TAG: ${{ steps.ver.outputs.version }}
- run: |
- ./tools/publish-bin.ps1 -Version $env:TAG -BaseUrl "${{ github.server_url }}/${{ github.repository }}/releases/download/$env:TAG"
-
- - name: Create the release and upload payloads
- shell: pwsh
- env:
- TAG: ${{ steps.ver.outputs.version }}
- TOKEN: ${{ secrets.GITEA_TOKEN }}
- run: |
- $ErrorActionPreference = 'Stop'
- $api = "${{ github.server_url }}/api/v1/repos/${{ github.repository }}"
- $headers = @{ Authorization = "token $env:TOKEN" }
- $body = @{
- tag_name = $env:TAG
- name = "acdream alpha $env:TAG"
- body = "Automated alpha build from ${{ github.sha }}."
- draft = $false
- prerelease = $true
- target_commitish = 'main'
- } | ConvertTo-Json
- $release = Invoke-RestMethod -Method Post -Uri "$api/releases" -Headers $headers -ContentType 'application/json' -Body $body
- Write-Host "created release id=$($release.id)"
- foreach ($f in Get-ChildItem bin -File) {
- Write-Host ("uploading {0} ({1:N1} MB)" -f $f.Name, ($f.Length/1MB))
- Invoke-RestMethod -Method Post -Headers $headers -Uri "$api/releases/$($release.id)/assets?name=$($f.Name)" -Form @{ attachment = Get-Item $f.FullName } | Out-Null
- }
-
- - name: Republish the `latest` pointer release
- shell: pwsh
- env:
- TAG: ${{ steps.ver.outputs.version }}
- TOKEN: ${{ secrets.GITEA_TOKEN }}
- run: |
- $ErrorActionPreference = 'Stop'
- $api = "${{ github.server_url }}/api/v1/repos/${{ github.repository }}"
- $headers = @{ Authorization = "token $env:TOKEN" }
-
- # Forgejo has no /releases/latest/download/ route, so the launcher
- # needs a pointer at a URL that never changes. A one-asset release on
- # the fixed `latest` tag is that pointer. Keeping it in a release
- # rather than in git means no payload branch, no bot commits on main,
- # and no push that would retrigger this workflow.
- $existing = Invoke-RestMethod -Method Get -Headers $headers `
- -Uri "$api/releases/tags/latest" -SkipHttpErrorCheck
- if ($existing.id) {
- Invoke-RestMethod -Method Delete -Headers $headers -Uri "$api/releases/$($existing.id)" | Out-Null
- # The tag outlives its release and would block recreation.
- Invoke-RestMethod -Method Delete -Headers $headers -Uri "$api/tags/latest" -SkipHttpErrorCheck | Out-Null
- Write-Host "removed the previous latest pointer"
- }
-
- $body = @{
- tag_name = 'latest'
- name = "Update feed -> $env:TAG"
- body = "**Download ``launcher-win-x64.zip``**, unzip it, and run ``acdream-launcher.exe``. It installs the game and keeps itself and the client up to date.`n`nThis is build ``$env:TAG``."
- draft = $false
- prerelease = $false
- target_commitish = 'main'
- } | ConvertTo-Json
- $pointer = Invoke-RestMethod -Method Post -Uri "$api/releases" -Headers $headers `
- -ContentType 'application/json' -Body $body
-
- # Upload the payloads here too, not just the manifest. `latest` is the
- # top of the Releases page and the first thing a person sees; a
- # pointer-only release gives them nothing to click and makes them hunt
- # for a build tagged with a timestamp. The launcher only needs
- # manifest.json, but a friend needs launcher-win-x64.zip.
- foreach ($f in Get-ChildItem bin -File) {
- Invoke-RestMethod -Method Post -Headers $headers `
- -Uri "$api/releases/$($pointer.id)/assets?name=$($f.Name)" `
- -Form @{ attachment = Get-Item $f.FullName } | Out-Null
- }
- Write-Host "latest now carries $env:TAG and its downloads"
-
- - name: Prune old releases
- shell: pwsh
- env:
- KEEP: '5'
- TOKEN: ${{ secrets.GITEA_TOKEN }}
- run: |
- $ErrorActionPreference = 'Stop'
- $api = "${{ github.server_url }}/api/v1/repos/${{ github.repository }}"
- $headers = @{ Authorization = "token $env:TOKEN" }
- $keep = [int]$env:KEEP
-
- # Each build is ~121 MB of attachments, so without this the server
- # grows by that much on EVERY push to main. Keep the newest $keep
- # versioned releases: enough to grab a previous build or bisect a
- # regression, bounded at well under a gigabyte.
- $releases = Invoke-RestMethod -Method Get -Headers $headers -Uri "$api/releases?limit=100"
- # Never touch the `latest` pointer — it is the launcher's feed, not a build.
- $builds = @($releases | Where-Object { $_.tag_name -ne 'latest' } |
- Sort-Object -Property created_at -Descending)
-
- Write-Host "$($builds.Count) versioned release(s); keeping $keep"
- foreach ($old in ($builds | Select-Object -Skip $keep)) {
- Invoke-RestMethod -Method Delete -Headers $headers -Uri "$api/releases/$($old.id)" | Out-Null
- # The tag survives its release and would otherwise accumulate.
- Invoke-RestMethod -Method Delete -Headers $headers -Uri "$api/tags/$($old.tag_name)" -SkipHttpErrorCheck | Out-Null
- Write-Host " pruned $($old.tag_name)"
- }
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index d3d775c2..f4841a25 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -3,6 +3,9 @@ name: "Copilot Setup Steps"
# This workflow configures the environment for GitHub Copilot Agent with gh-aw MCP server
on:
workflow_dispatch:
+ push:
+ paths:
+ - .github/workflows/copilot-setup-steps.yml
jobs:
# The job MUST be called 'copilot-setup-steps' to be recognized by GitHub Copilot Agent
diff --git a/.github/workflows/headless-portability.yml b/.github/workflows/headless-portability.yml
index 2149e6b3..6cea0898 100644
--- a/.github/workflows/headless-portability.yml
+++ b/.github/workflows/headless-portability.yml
@@ -1,6 +1,48 @@
name: Headless portability
on:
+ pull_request:
+ paths:
+ - ".github/workflows/headless-portability.yml"
+ - "AcDream.slnx"
+ - "src/AcDream.Core/**"
+ - "src/AcDream.Core.Net/**"
+ - "src/AcDream.Content/**"
+ - "src/AcDream.Plugin.Abstractions/**"
+ - "src/AcDream.Runtime/**"
+ - "src/AcDream.Headless/**"
+ - "src/AcDream.App/**"
+ - "src/AcDream.UI.Abstractions/**"
+ - "tests/AcDream.Core.Tests/**"
+ - "tests/AcDream.Core.Net.Tests/**"
+ - "tests/AcDream.Content.Tests/**"
+ - "tests/AcDream.Runtime.Tests/**"
+ - "tests/AcDream.Headless.Tests/**"
+ - "tests/AcDream.App.Tests/**"
+ - "tests/AcDream.UI.Abstractions.Tests/**"
+ - "tools/ShaderCompiler/**"
+ - "tools/compile-shaders.ps1"
+ push:
+ paths:
+ - ".github/workflows/headless-portability.yml"
+ - "AcDream.slnx"
+ - "src/AcDream.Core/**"
+ - "src/AcDream.Core.Net/**"
+ - "src/AcDream.Content/**"
+ - "src/AcDream.Plugin.Abstractions/**"
+ - "src/AcDream.Runtime/**"
+ - "src/AcDream.Headless/**"
+ - "src/AcDream.App/**"
+ - "src/AcDream.UI.Abstractions/**"
+ - "tests/AcDream.Core.Tests/**"
+ - "tests/AcDream.Core.Net.Tests/**"
+ - "tests/AcDream.Content.Tests/**"
+ - "tests/AcDream.Runtime.Tests/**"
+ - "tests/AcDream.Headless.Tests/**"
+ - "tests/AcDream.App.Tests/**"
+ - "tests/AcDream.UI.Abstractions.Tests/**"
+ - "tools/ShaderCompiler/**"
+ - "tools/compile-shaders.ps1"
workflow_dispatch:
permissions:
@@ -18,13 +60,13 @@ jobs:
- name: Checkout
uses: actions/checkout@v6
- - name: Install pinned .NET SDK
+ - name: Install .NET 10
uses: actions/setup-dotnet@v4
with:
- global-json-file: global.json
+ dotnet-version: "10.0.x"
# No apt step here on purpose. This job's whole claim is that the closure
- # below is presentation-free: it builds Bake, Plugin.Abstractions, Core,
+ # below is presentation-free: it builds Plugin.Abstractions, Core,
# Core.Net, Content, Runtime and Headless, runs their tests, and invokes
# the Headless CLI. Nothing in it opens a display, links GL, or calls
# xvfb-run, so an "install the graphical smoke dependencies" step here was
@@ -36,9 +78,6 @@ jobs:
shell: pwsh
run: |
$projects = @(
- "src/AcDream.Platform/AcDream.Platform.csproj",
- "src/AcDream.Launcher.Core/AcDream.Launcher.Core.csproj",
- "src/AcDream.Bake/AcDream.Bake.csproj",
"src/AcDream.Plugin.Abstractions/AcDream.Plugin.Abstractions.csproj",
"src/AcDream.Core/AcDream.Core.csproj",
"src/AcDream.Core.Net/AcDream.Core.Net.csproj",
@@ -59,9 +98,6 @@ jobs:
shell: pwsh
run: |
$projects = @(
- "tests/AcDream.Platform.Tests/AcDream.Platform.Tests.csproj",
- "tests/AcDream.Launcher.Core.Tests/AcDream.Launcher.Core.Tests.csproj",
- "tests/AcDream.Bake.Tests/AcDream.Bake.Tests.csproj",
"tests/AcDream.Core.Net.Tests/AcDream.Core.Net.Tests.csproj",
"tests/AcDream.Content.Tests/AcDream.Content.Tests.csproj",
"tests/AcDream.Runtime.Tests/AcDream.Runtime.Tests.csproj",
@@ -81,89 +117,6 @@ jobs:
dotnet run --project src/AcDream.Headless/AcDream.Headless.csproj -c Release -- validate --config headless-k0.json
if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
- - name: Verify Linux headless host executable permission
- if: runner.os == 'Linux'
- shell: bash
- run: |
- set -euo pipefail
- test -x src/AcDream.Headless/bin/Release/net10.0/acdream-headless
-
- portable-launcher:
- strategy:
- fail-fast: false
- matrix:
- os: [windows-latest, ubuntu-latest]
- runs-on: ${{ matrix.os }}
-
- steps:
- - name: Checkout
- uses: actions/checkout@v6
-
- - name: Install pinned .NET SDK
- uses: actions/setup-dotnet@v4
- with:
- global-json-file: global.json
-
- - name: Build and test the portable launcher
- shell: pwsh
- run: |
- dotnet build src/AcDream.Launcher/AcDream.Launcher.csproj -c Release
- if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
- dotnet test tests/AcDream.Launcher.Tests/AcDream.Launcher.Tests.csproj -c Release
- if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
-
- - name: Publish the self-contained launcher distribution
- shell: pwsh
- run: |
- $rid = if ($IsWindows) { "win-x64" } else { "linux-x64" }
- dotnet publish src/AcDream.Launcher/AcDream.Launcher.csproj `
- -c Release `
- -r $rid `
- -o "artifacts/acdream-launcher-$rid"
- if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
-
- - name: Verify self-contained Windows launcher and bake artifacts
- if: runner.os == 'Windows'
- shell: pwsh
- run: |
- $root = "artifacts/acdream-launcher-win-x64"
- if (-not (Test-Path -LiteralPath "$root/acdream-launcher.exe" -PathType Leaf)) { throw "launcher executable missing" }
- if (-not (Test-Path -LiteralPath "$root/acdream-bake.exe" -PathType Leaf)) { throw "bake executable missing" }
- if (Test-Path -LiteralPath "$root/acdream-launcher.dll") { throw "launcher is not single-file" }
- if (Test-Path -LiteralPath "$root/acdream-bake.dll") { throw "bake is not single-file" }
- $env:DOTNET_ROOT = "Z:\definitely-not-installed"
- $env:DOTNET_ROOT_X64 = "Z:\definitely-not-installed"
- $env:DOTNET_MULTILEVEL_LOOKUP = "0"
- & "$root/acdream-launcher.exe" --verify-publish
- if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
- & "$root/acdream-bake.exe" --help
- if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
-
- - name: Verify self-contained Linux launcher and bake artifacts
- if: runner.os == 'Linux'
- shell: bash
- run: |
- set -euo pipefail
- root=artifacts/acdream-launcher-linux-x64
- self_contained=$(dotnet msbuild \
- src/AcDream.Launcher/AcDream.Launcher.csproj \
- -nologo \
- -property:RuntimeIdentifier=linux-x64 \
- -getProperty:SelfContained | tr -d '\r\n ')
- test "$self_contained" = true
- test -x "$root/acdream-launcher"
- test -x "$root/acdream-bake"
- test ! -f "$root/acdream-launcher.dll"
- test ! -f "$root/acdream-bake.dll"
- DOTNET_ROOT=/definitely-not-installed \
- DOTNET_ROOT_X64=/definitely-not-installed \
- DOTNET_MULTILEVEL_LOOKUP=0 \
- "$root/acdream-launcher" --verify-publish
- DOTNET_ROOT=/definitely-not-installed \
- DOTNET_ROOT_X64=/definitely-not-installed \
- DOTNET_MULTILEVEL_LOOKUP=0 \
- "$root/acdream-bake" --help
-
linux-graphical:
runs-on: ubuntu-latest
@@ -171,10 +124,10 @@ jobs:
- name: Checkout
uses: actions/checkout@v6
- - name: Install pinned .NET SDK
+ - name: Install .NET 10
uses: actions/setup-dotnet@v4
with:
- global-json-file: global.json
+ dotnet-version: "10.0.x"
- name: Build and publish Linux graphical client
shell: pwsh
@@ -264,10 +217,10 @@ jobs:
- name: Checkout
uses: actions/checkout@v6
- - name: Install pinned .NET SDK
+ - name: Install .NET 10
uses: actions/setup-dotnet@v4
with:
- global-json-file: global.json
+ dotnet-version: "10.0.x"
- name: Install lavapipe, the Vulkan loader and Xvfb
shell: bash
diff --git a/.github/workflows/hygiene-assessment.lock.yml b/.github/workflows/hygiene-assessment.lock.yml
index 3c5ebe78..a7294727 100644
--- a/.github/workflows/hygiene-assessment.lock.yml
+++ b/.github/workflows/hygiene-assessment.lock.yml
@@ -49,6 +49,9 @@
name: "acdream Hygiene Assessment"
on:
+ schedule:
+ - cron: "54 4 * * *"
+ # Friendly format: daily (scattered)
workflow_dispatch: {}
permissions: {}
@@ -1345,3 +1348,4 @@ jobs:
/tmp/gh-aw/safe-output-items.jsonl
/tmp/gh-aw/temporary-id-map.json
if-no-files-found: ignore
+
diff --git a/.github/workflows/release-gate.yml b/.github/workflows/release-gate.yml
deleted file mode 100644
index b7240505..00000000
--- a/.github/workflows/release-gate.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-name: Complete Release gate
-
-on:
- workflow_dispatch:
-
-permissions:
- contents: read
-
-jobs:
- complete-release:
- name: Complete Release suite (Windows)
- runs-on: windows-latest
- timeout-minutes: 45
-
- steps:
- - name: Checkout
- uses: actions/checkout@v6
-
- - name: Install pinned .NET SDK
- uses: actions/setup-dotnet@v4
- with:
- global-json-file: global.json
-
- - name: Run complete bounded Release gate
- shell: pwsh
- run: ./tools/run-release-gate.ps1
-
- - name: Upload Release gate evidence
- if: always()
- uses: actions/upload-artifact@v4
- with:
- name: release-gate-${{ github.run_id }}-${{ github.run_attempt }}
- if-no-files-found: error
- retention-days: 14
- path: artifacts/release-gate/
diff --git a/.gitignore b/.gitignore
index cbcc5add..ab3f93ac 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,11 +2,6 @@
bin/
obj/
out/
-# NOTE: the repo-root /bin folder holds the alpha distribution feed written by
-# tools/publish-bin.ps1. It stays IGNORED here on purpose so a stray `git add`
-# can never put ~150 MB of payloads on main (GitHub also hard-rejects any file
-# over 100 MB). tools/publish-dist.ps1 force-adds it onto the Gitea-only `dist`
-# branch instead, which is what the launcher's update feed reads.
# Rider / VS
.idea/
@@ -113,8 +108,3 @@ studio-shots/
# Campaign V capture/evidence output - session-local, never tracked (423 MB lesson, 2026-07-29)
artifacts/
-341-slope-capture.jsonl
-
-# IconForge DAT extraction scratch (geometry + textures dumped from the
-# installed client dats; regenerate with tools/MosswartArt, never commit).
-tools/IconForge/work/
diff --git a/AGENTS.md b/AGENTS.md
index dd7f5549..fa25fe60 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -45,14 +45,13 @@ in `src/AcDream.*` references it as a project dependency.
`TextureCache`, `GlobalMeshBuffer`, shader infrastructure, and the
EnvCell/portal/scenery/terrain-blending pipeline classes.
-**Modern rendering path is MANDATORY.** The N.5 ship amendment deleted
-`WbFoundationFlag`, `InstancedMeshRenderer`, and `StaticMeshRenderer`;
-Campaign V (`docs/plans/2026-07-27-vulkan-campaign.md`, closed
-2026-07-29) then ported the renderer to Vulkan behind the RHI contract
-and deleted the OpenGL backend outright — `AcDream.App` references only
-`Silk.NET.Vulkan`. There is no legacy fallback. Engineering cribs
-(WbMeshAdapter seams, N.5 SSBO layout, translucency model, gotchas)
-live in `memory/reference_modern_rendering_pipeline.md`.
+**Modern rendering path is MANDATORY** as of the N.5 ship amendment.
+`WbFoundationFlag`, `InstancedMeshRenderer`, and `StaticMeshRenderer`
+are deleted. Missing `GL_ARB_bindless_texture` or
+`GL_ARB_shader_draw_parameters` throws `NotSupportedException` at
+startup. There is no legacy fallback. Engineering cribs (WbMeshAdapter
+seams, N.5 SSBO layout, translucency model, gotchas) live in
+`memory/reference_modern_rendering_pipeline.md`.
Before re-implementing any AC-specific rendering or dat-handling
algorithm, **read `docs/architecture/worldbuilder-inventory.md` FIRST**.
@@ -79,20 +78,17 @@ and `~/.claude/projects/.../memory/` (the latter is browsable in
Obsidian via the `claude-memory/` junction in the repo root; see
`memory/reference_obsidian_vault.md`).
-**UI strategy:** one presentation stack — the retained retail
-`UiHost`/`UiRoot` tree in `AcDream.App/UI`, imported from LayoutDesc/DAT
-assets and bound by focused controllers over shared state, ViewModels,
-events, and commands (the ViewModels/commands seam from the earlier
-two-stack era remains the stable boundary between state and
-presentation). The ImGui.NET developer-tools frontend
-(`AcDream.UI.ImGui`) and the OpenGL backend it required were deleted at
-Campaign V slice V11 (`docs/plans/2026-07-27-vulkan-campaign.md`);
-`ACDREAM_DEVTOOLS=1` now only selects the optional Vulkan
-validation/debug-utils extensions (see the flag's log line in
-`Program.cs`). `TextRenderer` + `BitmapFont` serve D.6 world-space HUD
-elements in the 3D scene. Plugin gameplay UI uses the BCL-only
+**UI strategy:** two coexisting presentation stacks over shared state,
+ViewModels, events, and commands. ImGui.NET +
+`Silk.NET.OpenGL.Extensions.ImGui` is the permanent
+`ACDREAM_DEVTOOLS=1` developer stack using `IPanel`/`IPanelRenderer`.
+Retail gameplay UI is the independent retained `UiHost`/`UiRoot` tree in
+`AcDream.App/UI`, imported from LayoutDesc/DAT assets and bound by focused
+controllers. The stable cross-stack seam is ViewModels/commands, not a backend
+swap. `TextRenderer` + `BitmapFont` also serve D.6 world-space HUD elements
+where ImGui cannot reach the 3D scene. Plugin gameplay UI uses the BCL-only
`AcDream.Plugin.Abstractions.IUiRegistry.AddMarkupPanel` contract; plugins
-never import App namespaces. Full design:
+never import App or ImGui namespaces. Full design:
[`docs/plans/2026-04-24-ui-framework.md`](docs/plans/2026-04-24-ui-framework.md).
Memory cribs: `claude-memory/project_chat_pipeline.md` (chat pipeline as of
Phase I), `claude-memory/project_input_pipeline.md` (input pipeline as of
diff --git a/AcDream.slnx b/AcDream.slnx
index 34d093fb..d28db1d2 100644
--- a/AcDream.slnx
+++ b/AcDream.slnx
@@ -7,30 +7,13 @@
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
@@ -41,14 +24,6 @@
-
-
-
-
-
-
-
-
diff --git a/CLAUDE.md b/CLAUDE.md
index d99f6db2..f3fc1342 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -43,14 +43,13 @@ in `src/AcDream.*` references it as a project dependency.
`TextureCache`, `GlobalMeshBuffer`, shader infrastructure, and the
EnvCell/portal/scenery/terrain-blending pipeline classes.
-**Modern rendering path is MANDATORY.** The N.5 ship amendment deleted
-`WbFoundationFlag`, `InstancedMeshRenderer`, and `StaticMeshRenderer`;
-Campaign V (`docs/plans/2026-07-27-vulkan-campaign.md`, closed
-2026-07-29) then ported the renderer to Vulkan behind the RHI contract
-and deleted the OpenGL backend outright — `AcDream.App` references only
-`Silk.NET.Vulkan`. There is no legacy fallback. Engineering cribs
-(WbMeshAdapter seams, N.5 SSBO layout, translucency model, gotchas)
-live in `memory/reference_modern_rendering_pipeline.md`.
+**Modern rendering path is MANDATORY** as of the N.5 ship amendment.
+`WbFoundationFlag`, `InstancedMeshRenderer`, and `StaticMeshRenderer`
+are deleted. Missing `GL_ARB_bindless_texture` or
+`GL_ARB_shader_draw_parameters` throws `NotSupportedException` at
+startup. There is no legacy fallback. Engineering cribs (WbMeshAdapter
+seams, N.5 SSBO layout, translucency model, gotchas) live in
+`memory/reference_modern_rendering_pipeline.md`.
Before re-implementing any AC-specific rendering or dat-handling
algorithm, **read `docs/architecture/worldbuilder-inventory.md` FIRST**.
@@ -77,20 +76,17 @@ and `~/.claude/projects/.../memory/` (the latter is browsable in
Obsidian via the `claude-memory/` junction in the repo root; see
`memory/reference_obsidian_vault.md`).
-**UI strategy:** one presentation stack — the retained retail
-`UiHost`/`UiRoot` tree in `AcDream.App/UI`, imported from LayoutDesc/DAT
-assets and bound by focused controllers over shared state, ViewModels,
-events, and commands (the ViewModels/commands seam from the earlier
-two-stack era remains the stable boundary between state and
-presentation). The ImGui.NET developer-tools frontend
-(`AcDream.UI.ImGui`) and the OpenGL backend it required were deleted at
-Campaign V slice V11 (`docs/plans/2026-07-27-vulkan-campaign.md`);
-`ACDREAM_DEVTOOLS=1` now only selects the optional Vulkan
-validation/debug-utils extensions (see the flag's log line in
-`Program.cs`). `TextRenderer` + `BitmapFont` serve D.6 world-space HUD
-elements in the 3D scene. Plugin gameplay UI uses the BCL-only
+**UI strategy:** two coexisting presentation stacks over shared state,
+ViewModels, events, and commands. ImGui.NET +
+`Silk.NET.OpenGL.Extensions.ImGui` is the permanent
+`ACDREAM_DEVTOOLS=1` developer stack using `IPanel`/`IPanelRenderer`.
+Retail gameplay UI is the independent retained `UiHost`/`UiRoot` tree in
+`AcDream.App/UI`, imported from LayoutDesc/DAT assets and bound by focused
+controllers. The stable cross-stack seam is ViewModels/commands, not a backend
+swap. `TextRenderer` + `BitmapFont` also serve D.6 world-space HUD elements
+where ImGui cannot reach the 3D scene. Plugin gameplay UI uses the BCL-only
`AcDream.Plugin.Abstractions.IUiRegistry.AddMarkupPanel` contract; plugins
-never import App namespaces. Full design:
+never import App or ImGui namespaces. Full design:
[`docs/plans/2026-04-24-ui-framework.md`](docs/plans/2026-04-24-ui-framework.md).
Memory cribs: `claude-memory/project_chat_pipeline.md` (chat pipeline as of
Phase I), `claude-memory/project_input_pipeline.md` (input pipeline as of
@@ -130,194 +126,8 @@ user-accepted, including exact response flags, independent examination
window, inscription transaction, complete creature/item/spell reports,
favorite-spell press/right-click behavior, modern scarab/prismatic formula,
DAT component icons, foreground stacking, and authored 310 x 400 extent.
-Slice 4 equipped-child world picking passed its two-client Coldeve gate and
-was user-accepted 2026-07-29. **Slices 5 and 6 (the complete vendor
-experience — browse, staged buying, selling, walk-to-use, the authored
-panel) closed user-accepted 2026-08-08; the six-slice program is COMPLETE
-(see the plan's PROGRAM CLOSEOUT). The vendor arc also exposed and fixed
-two latent client-wide crashers (#348 cursor-handle exhaustion, #350
-render-ledger overflow).** **Campaign P — physics retail-feel parity
-(`docs/plans/2026-07-29-physics-parity-campaign.md`) is CLOSED 2026-07-31
-— final user matrix accepted.** Every physics-scope gap from the
-2026-07-29 audit landed and user-gated: #266 run speed (retail's ==800
-sentinel — ACE's >=800 is a misread; never re-import), the #265/#166
-landing-momentum + bounce family
-(`docs/research/2026-07-30-landing-bounce-family.md`), the #267 vitae
-panel, #268 (panel colors + augmentation bonuses), #269 (slope-stop slide
-— the live-trace contact-plane-restore fix), and TS-8 (0x02C2 StatMod
-parse). See the plan doc for the retired-row ledger. **Campaign A — audio
-retail parity (`docs/plans/2026-08-08-audio-parity-campaign.md`) is
-CODE-COMPLETE 2026-08-08** with slices A1–A6 landed and listening-gate
-rounds user-driven; open tail: #358 (Ctrl+M mute chord never fires) and
-the formal plan-status flip. **Campaign CH — chat & interface-text retail
-parity (`docs/plans/2026-08-09-chat-parity-campaign.md`) is CLOSED
-USER-ACCEPTED 2026-08-10** after five connected gate rounds: retail
-colors, the SpewBox with retail's two-plane glyph outlines, working side
-channels, the 152-verb command registry, the CH6 window shell (floating
-windows, all-corner resize, opacity), and verbatim /help. Carried tail:
-#360/#361, #366, #369, AP-177/190/191, and the round-5 review S1–S3
-polish items. **Campaign OP — the retail four-tab Options panel
-(`docs/plans/2026-08-10-options-panel-campaign.md`) is CODE-COMPLETE
-2026-08-11.** Retail's Options panel (Gameplay Options / Character / Chat /
-Config, LayoutDesc `0x2100002B`) plus the Configure Keyboard screen are
-acdream's ONE in-client settings surface (design D1): F11/toolbar open the
-authored tab host; `RuntimeCharacterOptionsState` + the 53-id
-`CharacterOptionTable` own option storage; retail's wire split ships exactly
-(21 auto-save ids → `0x0005` immediate, the rest ride the real `0x01A1`
-PlayerModule blob with Apply/logout/480 s flushes, header always `0x460`);
-headless bots declare options by name (OP7's live bot-vs-ACE gate PASSED);
-OP9 retired the dead F11 `SettingsPanel`/`SettingsVM` surface and the
-`GameplaySettings` record outright. OP1/OP2/OP7/OP9 CLOSED through dual/
-combined Opus review. **2026-08-14 re-gate round:** the whole gate-4 fix
-batch (#372 both halves, #374, #375, #378–#382, #385) is USER-PASSED; the
-OP8 first look filed + same-day-fixed #394/#395/#396 (authored 18px-serif
-row-caption font; the retail `GetNameFromKey` key-name pipeline — DAT
-tables `0x2300000A`/`0x2300000B`/`0x23000007` via GetDIDByEnum category 4,
-OS-localized fallback, register AD-96; the `InitiateBinding` capture-
-instruction WAIT dialog) plus the WaitDialog-type-0x19 crash (`2a81e813`,
-live-verified no-crash). **STILL OWED: the full §OP3–§OP6 script sections
-and §OP8's visual re-check** — script
-`docs/research/2026-08-11-campaign-op-test-script.md`, launch with
-`ACDREAM_RETAIL_UI=1`. Tail:
-#371, #373, AP-198/199/201/202/203. START at
-`claude-memory/project_settings_options_digest.md`.
-
-**Campaign FA — the retail social panel (Fellowship & Allegiance)
-(`docs/plans/2026-08-11-fellowship-allegiance-campaign.md`) is
-CODE-COMPLETE 2026-08-12.** Retail authors ONE four-tab `gmPanelUI` social
-panel (Friends / Allegiance / Fellowship / Squelch, host slot
-`0x1000018F`, id 12; F3 = Allegiance, F4 = Fellowship, keyboard-only —
-Allegiance is the authored DEFAULT tab), mounted with the OP3 Options-panel
-recipe. The Fellowship and Allegiance pages are LIVE end-to-end: real wire
-(FA1 repaired the never-called H.2 builders + parsers — retail's FOUR
-tree-rejection rules, ELEVEN version gates, the byte-decoded `>=9` size and
-the truncated XP-share table), two session-scoped Runtime owners
-(`RuntimeFellowshipState`/`RuntimeAllegianceState`, both clear at
-generation reset — D2 corrected), and the authored panels through
-`LayoutImporter`. Friends/Squelch bind read-only to J4.1's owners.
-**The fellowship two-session flow is PROVEN over the live wire** — FA6's
-automated bot-vs-ACE gate (`testaccount`/`+Acdream` + `testaccount2`/
-`+Horan`) passed: the recruited bot's OWN `RuntimeFellowshipState` flips
-`IsInFellowship`. Six FA slices, each dual-lens Opus reviewed → fix round →
-narrow re-review; the reviews caught what tests can't (retail's 4th tree
-rule, the D2 reset-lifetime inversion, the D6 server-side invite filter,
-a seam-map entry that would have re-introduced a fixed bug). OWED: the
-user's connected gates (§FA3-§FA6 of
-`docs/research/2026-08-12-campaign-fa-test-script.md`, several
-`[TWO-CLIENT]`), and **#384** — the allegiance-swear bot gate is
-deferred/disabled because ACE returns NOTHING to the `0x001D` swear at
-0.005 m (no confirmation, no tree update, no error; needs ACE-console
-disambiguation — the swear CODE is done+reviewed, only its automated
-two-session proof is unverified; register AD-87). Tail: #383 (installed-
-DAT vs committed-fixture drift, found at FA3). START at
-`claude-memory/project_fellowship_allegiance_campaign.md`.
-
-**2026-08-13/14 gate block — SOCIAL GATES + SECURE TRADE all
-USER-PASSED.** The social panel's connected gate rounds closed (border-only
-move cursor, amber row selection, wrapped empty-state text, composed
-confirmation sentences via the new `DatStringResolver.ResolveTemplate`
-StringTable-interleave port, the refused-drop SpewBox notice via the
-`InventoryTransactionState.RequestFailed` seam, live friends
-Online/Offline through the authored row state machine + the new UiText
-per-state string swap). Same block: powerbar mode captions
-(jump 'Height' right-aligned per-STATE justify / 'Power'↔'Accuracy' by
-combat mode), release-edge airborne jump refusal (supersedes CH round-1's
-press-edge report), and **SECURE TRADE SHIPPED + two-client user gate
-PASSED 2026-08-14** — gmSecureTradeUI window (LayoutDesc `0x2100000D`),
-full `0x1F6`–`0x208` wire, `RuntimeTradeState` as the third sibling
-J-owner, both retail open paths, staged-item trading marker
-(`ClientObject.TradeState` now live), cancel text. START at
-`claude-memory/project_secure_trade.md`; the deferred-Func lesson is
-`claude-memory/feedback_resolve_deferred_funcs_per_call.md`. Register:
-AD-93/AD-94 filed, AD-85 narrowed, AD-81 amended, AD-89/AD-95 retired.
-Filed: #393 (texture-detail options, post-M4).
-
-**Campaign LA — the alpha launcher (ACTIVE 2026-08-14):** Avalonia
-launcher/installer/updater (Windows+Linux) + the retail character-
-management screen, driven autonomously under a user-set goal: Fable
-plans, Sonnet implements, Opus dual-lens reviews (architectural +
-retail-faithful). Spec:
-`docs/superpowers/specs/2026-08-14-launcher-campaign-design.md`; plan +
-ledger: `docs/plans/2026-08-14-launcher-campaign.md`; START at
-`claude-memory/project_launcher_direction.md`. Key recon corrections
-already binding: retail's select screen (`gmCharacterManagementUI`) has
-NO 3D preview (chargen-only machinery); UI Studio no longer exists
-(deleted at Campaign V — ignore stale memory/docs claims otherwise);
-App `Program.cs` has no subcommand dispatch (the `--session-config` flag
-is additive).
-LA0 through LA11's automated scope are review-closed. The launcher composer is now
-compiled into both host test suites, and Launcher.Core runs in the portable
-Windows/Ubuntu CI closure. The self-contained Avalonia launcher,
-transactional two-host plugin lifetime, shared login-command route,
-Runtime-owned retail selection state, authored DAT character screen, and
-crash-safe verified installer plus atomic cross-platform updater/self-updater
-are integrated. Windows group-isolated Headless stop, isolated update fixtures,
-strict status/redaction evidence, and the exact Windows/Ubuntu operator script
-are landed; the integrated preflight passes 32/32 commands and 14,012 tests /
-5 skips. Only the connected/visual/real-DAT user gate remains before shipment.
-
-**Campaign CC — retail character creation (CLOSED USER-ACCEPTED
-2026-08-16).** All seven slices REVIEW-CLOSED; the connected gate ran as
-one extended round (findings GF-1..16 + re-tests R2/R3/R4, fix batches
-A-G + closeout + two re-test rounds, final build `1.0.2-cc.o`) and
-PASSED. **Milestone: the first live character ever created by acdream
-against ACE landed mid-round.** The gate round's own harvest hardened
-shared surfaces well beyond chargen: authored text margins (P0x23-26),
-the authored Unselected/Selected state pair + per-state label color,
-un-consumed Type-12 media children (frames/scrollbars client-wide),
-single-sprite scrollbar thumbs, UiButton/UiDatElement Tint, the
-dialog-always-on-top re-raise (the invisible-modal input blackhole), a
-truthful client crash self-report + bounded stderr capture (#405-#407
-fixed, #406 fixed; #408/#409/#410 filed for their own rounds). The full retail creation flow: Create
-button (retail's exact `UpdateButtons` roster` sets the window (default 30).
- TEMPORARY, with the #337 probe family.
- `ACDREAM_CAPTURE_RESOLVE=` — live capture of every player-side
`PhysicsEngine.ResolveWithTransition` call. Each call appends one
JSON Lines record with full inputs, PhysicsBody snapshot before AND
diff --git a/Directory.Build.props b/Directory.Build.props
deleted file mode 100644
index 60cfc63c..00000000
--- a/Directory.Build.props
+++ /dev/null
@@ -1,20 +0,0 @@
-
-
-
- net10.0
- enable
- enable
- latest
- latest
- true
- true
-
-
- true
- $(MSBuildProjectDirectory)/packages.neutral.lock.json
- $(MSBuildProjectDirectory)/packages.$(RuntimeIdentifier).lock.json
-
-
diff --git a/Directory.Packages.props b/Directory.Packages.props
deleted file mode 100644
index 8b8a2d8f..00000000
--- a/Directory.Packages.props
+++ /dev/null
@@ -1,38 +0,0 @@
-
-
- true
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
diff --git a/NuGet.Config b/NuGet.Config
deleted file mode 100644
index 1ca993fd..00000000
--- a/NuGet.Config
+++ /dev/null
@@ -1,10 +0,0 @@
-
-
-
-
-
-
-
-
-
-
diff --git a/assets/icons/README.md b/assets/icons/README.md
deleted file mode 100644
index 9ff56a21..00000000
--- a/assets/icons/README.md
+++ /dev/null
@@ -1,93 +0,0 @@
-# acdream application icons
-
-Two marks, one family.
-
-| Mark | Files | Used by |
-|---|---|---|
-| **Client** — the mosswart head | `acdream-client-*.png`, `acdream-client.ico` | `AcDream.App` (PE icon + runtime window icon) |
-| **Launcher** — the ring and crescent | `acdream-launcher-*.png`, `acdream-launcher.ico` | `AcDream.Launcher` (PE icon + Avalonia `Window.Icon`) |
-
-Each ships PNGs at 16/24/32/48/64/128/256/512/1024 plus a multi-size `.ico`
-carrying 16 through 256.
-
-## Where the art comes from
-
-**The client mark is the retail mosswart**, not a drawing of one. It is the
-actual creature head — `Setup 0x02000B4F` part 14, skin atlas `0x05001E11`,
-`ClothingBase 0x10000344` — pulled from `client_portal.dat`, smoothed, lit and
-graded. Palette values throughout both marks are sampled from that texture:
-
-| | |
-|---|---|
-| `#ACB820` | chartreuse upper skin |
-| `#A09800` | mustard belly — the "foul yellow" the lore names |
-| `#485010` | deep olive shadow |
-| `#F2ECD2` | tusk bone |
-| `#AC7438` | ear membrane / hide |
-
-**The launcher mark is inspired by the Asheron's Call sigil** — a forged ring
-enclosing a hooked crescent — rebuilt from measurements of the retail wordmark
-and the `acclient.exe` icon resource. It is an original construction in the
-same visual language, not a copy of the logo. Its warm field matches the retail
-client icon's dark-to-gold interior.
-
-> **Note on rights.** "Asheron's Call" and its logo are trademarks of their
-> owners, and the client mark is rendered from copyrighted game art. Unlike DAT
-> content — which stays on the user's own disk — these icons are compiled into
-> the shipped binaries. If acdream is ever distributed broadly, both marks
-> should be reviewed, and the client mark is the one most likely to want an
-> original redraw using these renders as reference.
-
-## Regenerating
-
-The launcher mark is fully procedural and rebuilds anywhere:
-
-```bash
-py tools/IconForge/forge.py launcher
-```
-
-That is byte-for-byte deterministic — it reproduces the committed PNGs exactly,
-so an accidental edit is visible as a diff.
-
-The client mark renders real game geometry, so it needs the installed DATs.
-One command extracts both halves — the posed geometry and the surfaces it
-references — into `tools/IconForge/work/`:
-
-```bash
-dotnet run --project tools/MosswartArt -- 0x02000B4F 0x10000344 tools/IconForge/work/mosswart_mesh.json 0x09000009
-```
-
-The trailing MotionTable id is required. Creatures do not define an upright pose
-in `Setup.PlacementFrames`; without it every part stacks on the origin.
-
-Then:
-
-```bash
-py tools/IconForge/forge.py client
-```
-
-This is deterministic too — given the same DATs it reproduces the committed
-PNGs byte-for-byte.
-
-Requires Python with `numpy`, `pillow` and `scipy`.
-
-## How they are wired in
-
-Neither icon is loaded from disk at runtime.
-
-- **PE icon** — `` in each `.csproj`, pointing at the `.ico`
- here. This is what Explorer and the taskbar shortcut show.
-- **Client window icon** — `AcDream.App.Rendering.WindowIconLoader` hands GLFW
- four sizes **from the `Load` callback**. That timing is load-bearing: Silk's
- `Window.Create` only builds the managed object, and `IWindow.Initialize` is
- what creates the native window, so applying an icon any earlier throws
- "Window should be initialized". The failure is quiet and misleading — GLFW
- falls back to the stock Windows application icon rather than the
- executable's, so Explorer shows the mark and the running window does not.
- The PNGs are *embedded resources* linked from this directory, so there is one
- source of truth for the art and no missing-file case at runtime.
- `WindowIconLoaderTests` guards both the resource names, which are otherwise
- coupled to `LogicalName` in the csproj by string only, and the call-site
- ordering.
-- **Launcher window icon** — `AvaloniaResource` linked from here, referenced as
- `avares://acdream-launcher/Assets/acdream-launcher.png`.
diff --git a/assets/icons/acdream-client-1024.png b/assets/icons/acdream-client-1024.png
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@@ -24,6831 +24,6 @@ What does NOT go here:
- Every session: scan OPEN issues at start; promote/close anything we touched during the session before ending.
- Promoting to a Phase: mark as `DONE (promoted to Phase X)` + commit SHA where the Phase entry landed.
-## #420 — Client crashes on the character-select screen (`UiButton.OnDraw` null media-state key)
-
-**Status:** ✅ FIXED 2026-08-19, root cause proven by a reverting test.
-**Symptom:** every launcher-started play session died seconds after login.
-The user's own session evidence (`%LOCALAPPDATA%\acdream\cache\launcher\
-sessions\*/`) shows the exact shape three times in a row on 2026-08-19:
-`started` → `connected` → `characterList` (2 characters) →
-`exited code 1 "crashed"`, with `client.err.log` carrying
-
-```
-Unhandled exception. System.ArgumentNullException: Value cannot be null. (Parameter 'key')
- at System.Collections.Generic.Dictionary`2.FindValue(TKey key)
- at AcDream.App.UI.UiButton.OnDraw(UiRenderContext ctx)
-```
-
-**Root cause:** `UiButton`'s constructor allocated the per-face-segment
-media-state array as `new string[n]`, leaving every element **null**, while
-its single-face sibling `_faceMediaState` was correctly seeded to `""`
-(DirectState). `NextMediaState` returns `current` UNCHANGED on three of its
-four arms — including "the committed state is authored but its media array is
-empty", which is retail's own keep-playing-the-previous-media rule. So on a
-multi-segment button whose committed state carries no media, the null
-survived the first `SyncMediaStates` and reached
-`ElementInfo.StateMedia.TryGetValue(null)`, throwing mid-paint and taking the
-process down.
-
-**Fix:** `Array.Fill(_segmentMediaStates, "")` at construction — the segment
-array now starts on base media exactly like `_faceMediaState`, which is what
-the surrounding comment already claimed the media machine did.
-
-**Regression test:**
-`UiButtonTests.MultiSegmentFace_CommittedStateWithoutMedia_DrawsInsteadOfThrowing`.
-Verified by reverting the one-line fix: the test throws `ArgumentNullException`
-from `UiButton.ActiveFile`, the same frame as the live crash.
-
-**Note for whoever tidies this file:** the crash was found while
-investigating Campaign LU item 4 ("launching the selected character doesn't
-work"). It is why nothing worked — the client reached character select and
-died there. Distinct from the LU5 UX work.
-
-## #419 — Portal-tunnel rim polygon visible (FOV-coupled) + ring flash at exit (camera dolly vs retail's view-plane animation)
-
-**Status:** OPEN (filed 2026-08-17, user screenshot + FOV experiment).
-**Symptom:** the tunnel's low-poly mouth shows as a faceted polygon
-silhouette against black, scaling with the Config FOV slider (barely
-visible at minimum FOV); a brief ring flash remains at exit even at
-minimum FOV. **Decomp truth (`gmSmartBoxUI::UseTime @0x004D6F34`):**
-retail renders portal space as a CreatureMode UI VIEWPORT with its OWN
-projection — NOT the game camera. On tunnel entry it starts the 40 fps
-authored animation (`set_sequence_animation`, DID via GetDIDByEnum
-`0x10000002` slot 7) and parks the viewport camera at the authored point
-**(0.24, −2.7, 0.88)** (`CreatureMode::SetCameraPosition`, constants
-`0x3e75c28f/0xc02ccccd/0x3f6147ae`); the swirl's drift is a randomized
-roll via `CreatureMode::SetCameraDirection_Degrees` (angle/duration
-random-walk block @0x004d6fd0, beside the "In Portal Space - Please
-Wait..." notice). The exit "zoom" is NOT a camera move: `TUNNEL_FADE_OUT`
-@0x004d713b animates the transition view PLANE's distance
-(`TRANSITION_VIEW_PLANE_DISTANCE` / `TELEPORT_ANIM_FADE_TIME`
-constants) with the camera parked. **Our defect:** the portal viewport
-draws with `_camera.Active.Projection` (game FOV + display aspect —
-`LocalPlayerPortalViewport.Draw` in PrivatePresentationRenderer.cs), so
-a wide FOV/aspect reveals the tube mouth retail's fixed frustum clips;
-and if our exit moves the camera, the mouth sweeps through view once
-(the min-FOV flash). **Fix shape:** authored fixed camera + viewport
-projection for the tunnel pass (find CreatureMode's projection
-parameters in the viewport render setup), port the roll drift, express
-the exit as the view-plane distance animation. Retail-faithfulness fix —
-no tuning knobs.
-
-**TWO FIX ATTEMPTS DISCARDED BY USER DIRECTION (2026-08-17 evening;
-commits removed from the branch, patches preserved in the session
-scratchpad `tunnel-419-patches/`). Read this record before the next
-attempt.**
-
-*Attempt 1 (was `9e83a49b`) — scoped winding mirror.* Theory: retail
-draws the tunnel's `sides_type 0` polys with `D3DCULL_CW` through an
-improper det−1 view basis; our proper basis flips screen winding, so the
-inherited cull mapping keeps the mirror-image face set. Changed:
-`WbDrawDispatcher.cs` (+`PushMirroredAuthoredWinding` scope +
-`MirrorAuthoredCullMode` + one `EffectiveCullMode` chokepoint),
-`WbDrawDispatcher.PackedOracle.cs`, `PortalTunnelPresentation.cs` (draw
-inside the scope), `TeleportViewPlaneController.cs` (citations),
-`PortalTunnelInteriorTests.cs` (new). USER GATE RESULT: exit flash gone
-BUT the tunnel showed as a dark tube seen from OUTSIDE — the mirror
-culled the interior; the "fixed" exit was a FALSE POSITIVE (nothing
-drawn cannot flash).
-
-*Attempt 2 (was `213345bd`) — revert attempt 1 + Surface.Luminosity
-emissive port.* The revert's justification (verified, durable):
-`MeshExtractor.BuildPolygonIndices` emits positive-surface fans in
-REVERSED index order — WB's baked D3D↔GL compensation — so
-(bake reversal) ∘ (proper det+1 look-at) ≡ retail's
-(authored order) ∘ (improper det−1 + `D3DCULL_CW`): the DEFAULT cull
-mapping already keeps retail's faces and attempt 1 double-mirrored it.
-Theory 2: the rim/flash = ambient-only dark facets because the swirl
-surface `0x08000C31` authors `Surface.Luminosity = 1.0` (retail's
-material emissive — `FUN_0059DA60` writes `Material.Emissive.rgb =
-Luminosity`; the sky shader ports this law, the OBJECT path never did).
-Changed: luminosity plumbing extractor→`WbMeshAdapter` startup
-luminous-surface map→`ObjectRenderBatch`/`InstanceGroup`/`CachedBatch`/
-`PackedClassifiedBatch`→`BatchData.Reserved` float bits→`mesh_modern`
-shader term (recompiled SPIR-V, 13 .spv files), plus
-`PortalTunnelPresentation.cs`. USER GATE RESULT: **tunnel looked
-IDENTICAL to baseline** — the rim and exit flash are back (expected,
-attempt 1 reverted) and the luminosity change produced NO VISIBLE
-DIFFERENCE, meaning either theory 2 is wrong or the plumbing never
-reached the tunnel's draw (UNRESOLVED — never verified live; the
-per-batch value could be defaulting to 0 anywhere along the six-hop
-chain).
-
-*Durable byte-decoded facts (PDB-paired binary, keep):* roll drift
-`duration = RandDouble(0.6, 1.8)`, `endAngle = RandDouble(0.0, 360.0)`,
-interp `start + (end−start)·GetAnimLevel/1024`, applied
-`SetCameraDirection_Degrees(0, angle, 0)` @0x004D6FD6–704E;
-`TRANSITION_VIEW_PLANE_DISTANCE @0x007BD260 = 0.001` (double),
-`TELEPORT_ANIM_FADE_TIME @0x007BD278 = 1.0`, MIN/MAX_CONTINUE
-@0x007BD268/70 = 2.0/5.0, `TELEPORT_ANIM_FPS @0x007BD280 = 40.0f`;
-fade `dist = (TVPD − gameVDist)·level/1024 + gameVDist`;
-`set_vdst @0x0054B240`: `fov = 2·atan(1/d)` clamp (0.001, π),
-`znear = d<0.4 ? 0.1 : d·0.25`. CreatureMode ambient (0.3,0.3,0.3)
-@0x004543CF (ours matches), distant light 2.0 dir (0.3,−1.9,0.65)
-(matches). The original filing's "own fixed projection" premise is
-REFUTED: `gmSmartBoxUI::PostInit @0x004D6DB3` calls
-`CreatureMode::UseSmartboxFOV` — the tunnel FOLLOWING the Config FOV is
-retail. Camera IS at the authored eye (three-way enclosure proof: 0
-escape rays at all 120 frames, live-pak batches identical to fresh
-extraction). Tunnel = Setup `0x02000306`, two half-torus parts of GfxObj
-`0x0100080B` (360 polys `sides_type 0` + 4 unstippled pos-surface quads
-— the purple floaters are authored content).
-
-**MANDATORY NEXT PROTOCOL (agreed with the user after two failed
-rounds): apparatus BEFORE any further fix.** (1) a probe-gated tunnel
-FREEZE (`ACDREAM_PROBE_*` family) holding TAS_TUNNEL indefinitely so
-the scene is statically inspectable; (2) ONE RenderDoc capture of the
-frozen frame — which triangles draw, cull state, material constants
-actually bound; (3) the ACViewer oracle on Setup `0x02000306` (clean
-interior there ⇒ our pipeline, rings there ⇒ shared dat
-interpretation); (4) a retail side-by-side screenshot for ground truth
-(brightness included). Fix only against that evidence.
-
-## #418 — Login world load takes ~27 s: publication advances at a flat 32 blocks/s
-
-**Status:** IN-PROGRESS 2026-08-17 — producer half landed (this commit's
-striped `LandblockStreamer` worker pool); the pacer measurably remains on the
-consumer side. **Symptom:** login holds the portal tunnel ~27 s while the
-25×25 window (625 landblocks) drips in at exactly 32 blocks/s
-(`ACDREAM_PROBE_REVEAL_TIMING=1`, probe `695a27b4`; baseline
-totalMs=26728), then render/composites/collision/gate/materialization all
-flip ready in the same millisecond. **Evidence chain:** an A/B with every
-`StreamingWorkBudgetOptions` env ceiling cranked 25–64x changed nothing →
-read as producer-limited (ONE `acdream.streaming.worker` thread,
-~31 ms/block serial). This commit parallelized the producer
-(min(cores−2, 8) striped workers, per-landblock ordering preserved) and
-**disproved that reading**: with 8 workers ALL 625 builds complete in
-~203 ms of wall clock (`ACDREAM_PROBE_TELEPORT=1` BUILD lines
-t=3475390→3475593, dat-lock waited ≤ 12 ms, held 0–13 ms), yet `loaded=`
-still advances at exactly +32/1000 ms and totalMs measured 27395 / 27503
-across two runs of the new binary. **Hypothesis:** the 32/s cadence lives in
-the update-thread admission/publication path (`StreamingController` meter →
-`LandblockPresentationPipeline`), is frame-quantized (an exactly-integer
-per-second rate held for 14+ consecutive seconds — N update ticks per
-landblock at a stable tick rate, e.g. 2 ticks × 64 Hz), and is NOT governed
-by the budget env ceilings (the original A/B and this change now agree on
-that). **Next step:** instrument per-frame meter operations/yields + the
-tunnel frame rate, find which operation stage eats the ensured-progress
-floor, then lift the actual limiter. The producer pool stays: it takes the
-builds off the critical path (23 s → 0.2 s) and is quality-neutral
-(per-landblock ordering, ClearLoads, priority, and disposal semantics
-preserved; a pool of 1 reproduces the old serial behavior,
-regression-tested in `LandblockStreamerPoolTests`).
-
-**Lead-review refinement (2026-08-17, same day):** the identical ~31 ms
-period across BOTH configurations is unlikely to be a coincidence of two
-different limiters — the sharper hypothesis is that ONE ADMITTED
-LANDBLOCK'S update-thread publication itself costs ~31 ms (GPU upload +
-registration + typed-budget accounting as one indivisible admission).
-The 2 ms `MaxUpdateMilliseconds` floor guarantees exactly one admission
-per frame; that admission stretches the frame to ~31 ms; the hold
-therefore runs at ~32 fps and 1 admission/frame × 32 fps = the measured
-flat 32/s — in the OLD binary the serial builder happened to produce at
-the same ~31 ms/block, which masked the admission cost entirely. This
-predicts: (a) tunnel frame time during the hold is ~31 ms (measurable
-from the existing frame profiler), and (b) the fix is splitting or
-off-threading the per-landblock publication cost — NOT raising budgets
-(already disproved twice). `MaxCompletionsPerFrame = 4` (the quality
-line) is a profile SCALE of the same env-tunable options, so it is also
-already exonerated. Verify (a) first next session.
-
-**2026-08-17 (later): 31 ms-per-admission hypothesis REFUTED by
-measurement; the REAL limiter found and FIXED (this commit).** The probe
-extension (`[publish-timing]` per-landblock per-stage attribution +
-`[stream-tick]` per-second meter/yield/backlog rollups, same
-`ACDREAM_PROBE_REVEAL_TIMING=1` env) measured: hold frame rate ~64 fps
-(NOT ~32 — prediction (a) false), streaming tick at ~32 Hz (every other
-render frame), per-landblock publication cost TINY (whole 625-block
-window ≈ 500 ms CPU total; far blocks ~0.17 ms, near blocks 2–43 ms),
-and steady state showed ZERO meter yields with ~0.22 ms of the 2.0 ms
-budget used per tick — yet exactly one block published per tick with
-~400 completions queued. **Root cause:** Runtime's collision-generation
-activation is a deliberate TWO-POLL transaction
-(`TryAcquireCollisionPrefixMutationPermission` parks residents and
-refuses its first poll by design), and
-`LandblockPresentationPipeline.Advance`'s metered arm returned
-`Completed=false` on ANY nonterminal commit (`meter is not null || …`),
-which `DrainAndApply` treats as "stop draining this frame" — one
-landblock per 32 Hz tick = the flat 32/s, with the budget ~90% idle.
-**Fix:** the metered arm now uses the same Runtime-owned gate the
-unmetered arm and the synchronous `CompletePublication` API always used
-(`CanContinueMutationSynchronously` — no pending prefix projections,
-collision reports, or dispatch debt): the second poll runs in the same
-frame under the same meter, so the authored 2 ms elapsed-time ceiling
-(unchanged) is now genuinely the authoritative bound. With real debt
-(live residents parked mid-game, pending withdrawals) Runtime keeps
-reporting nonterminal-with-debt and publication defers to the next
-frame exactly as before; regression test
-`MeteredLoaded_NonterminalCommitWithoutDebt_CompletesInOneMeteredAdvance`
-pins the debt-free single-advance completion. **Measured (this
-binary):** loaded slope 32/s → bursts of 100–360/s (625/625 at ~6.1–7.1
-s vs ~22.9 s); `[stream-tick]` yields are now Time-limit yields at the
-2 ms ceiling. A/B totals: **12689 / 12734 ms** (baseline
-26728/27395/27503) — a 2.2x cut, but ABOVE the 12000 acceptance, and
-the remainder is fully attributed: gate-ready at 8136/7617 ms (≈1 s
-session+build start, ≈5 s drip at the authored 2 ms/tick destination
-budget over ≈500 ms of real publication CPU at a 32 Hz tick, ≈0.4–1.2 s
-destination-priority mesh uploads, ≈0.6 s composites), then retail's
-AUTHORED tunnel exit (TunnelContinue min 2.0 s / max 5.0 s + two 1.0 s
-view-plane fades, golden constants @0x007BD268/70/78 in
-`TeleportAnimSequencer`) adds a tunnel-phase-dependent 3.1–6 s
-(measured 4523 / 5086 ms) before `WorldViewportObserved`. Reaching
-<12 s therefore requires either accepting ~12.7 s, or a LEAD decision
-to widen the destination-lane time budget during the hold (a budget
-change, out of scope per this round's constraints) — no artifact-shaped
-limiter remains.
-
-**Done bar + next hypothesis (2026-08-17 goal closeout, user-set):** the
-user's benchmark is retail's ~6 s login — at retail's SMALLER default
-window (17×17 = 289 blocks vs our 25×25 = 625) and WITHOUT our
-complete-at-reveal guarantee (retail pops in after reveal). #418 stays
-OPEN until login reaches retail-feel (~6–8 s) with the readiness
-guarantee intact. Next hypothesis, in order: (1) widen the
-destination-lane time budget ONLY while the reveal hold is active (the
-world is hidden behind the tunnel; the ~5 s drip spreads ~500 ms of
-real publication CPU, so a hold-scoped 2 ms → ~8 ms destination-lane
-ceiling should collapse it to ~1–2 s while the tunnel still renders
-smoothly), reverting to the authored budget at reveal; (2) overlap the
-destination-priority mesh uploads (~0.4–1.2 s) and composites (~0.6 s)
-with the drip if they serialize today. Retail's authored tunnel-exit
-choreography (TunnelContinue 2–5 s + two 1 s fades) is retail behavior
-and is NOT a tuning target. Predicted result: gate-ready ~2–3 s +
-authored exit ≈ 5–8 s total — retail-feel at 2.2x retail's window.
-
-**2026-08-17 (hold-widening round, this commit): hypothesis (1) LANDED —
-the drip collapsed exactly as predicted (5 s → 2 s) — and the login total
-did NOT move, which is itself the round's finding: a concurrent
-render-thread phase was hiding under the drip and is now the exposed long
-pole.** The frame meter now runs a hold-widened profile ONLY while a
-destination reservation is active
-(`StreamingWorkBudget.WidenForDestinationHold`, keyed off the existing
-`BeginDestinationReservation`/`EndDestinationReservation` bracket — no new
-flags — and derived per-Tick from the CURRENT budget so a mid-hold quality
-swap composes): destination-lane time ceiling 2 ms → 8 ms (absolute
-default; measurement-only env `ACDREAM_STREAM_WORK_HOLD_DEST_MS`), every
-count/byte dimension scaled by the same factor (the measured binder is
-TIME — `[stream-tick] yieldReasons=publication-*/Timex…` at both the 2 ms
-and the 8 ms ceiling; proportional scaling keeps time authoritative
-instead of letting a byte cap become the accidental binder), and the
-reserve fraction re-derived (0.75 → 0.9375) so the NON-destination lane's
-absolute caps are unchanged (floor-exact at defaults:
-floor(256×0.0625) = floor(64×0.25) = 16). No-hold frames use the authored
-budget verbatim (`NoReservation_UsesTheAuthoredBudgetUnchanged` pins it);
-portal holds ride the same bracket by construction
-(`HoldWidening_AppliesToLoginAndPortalRevealsAlikeAndRevertsAtEnd` pins
-kind parity through the real coordinator + controller) and were PROVEN
-live: a @telepoi-yaraq portal hold in the same session recorded
-`kind=portal` gate-ready **3589 ms** / totalMs **8681 ms** at 64–66 fps.
-**Measured (two login A/B runs + one login-then-portal run, this
-binary): loaded 625/625 at 3062/3064/3023 ms (was ~6–7 s), tunnel frames
-64–66 fps through the widened burst (the 28–29 fps first-second window is
-process/session start, present at baseline) — yet gate-ready
-8594/8752/8368 ms and totalMs 12634/12727/12726 (baseline 12689/12734):
-UNCHANGED.** Attribution: after the last publication (~3.0 s) the
-streaming meter is fully idle (`[stream-tick] ops=0 yields=0`) for
-~4.7 s until render-ready (7941/8099/7715 ms) — the pacer is the
-render-thread upload/registration barrier behind
-`GpuWorldState.IsRenderReady` (terrain upload crossing the render-thread
-barrier + spawn-adapter registration,
-`StreamingController.IsRenderNeighborhoodResident`), which ran
-CONCURRENTLY under the old drip — that is why the old breakdown showed it
-as only a ~0.4–1.2 s TAIL (the probe doc's serial-edge caveat) — and
-takes ~7.7–8.1 s from process start regardless of the drip. The
-warmed-process portal run replaces the SAME 625-block window to
-render-ready in ~3.0 s, so the login cost is dominated by cold-start
-work (first-touch DAT decode / texture and mesh cache fill / driver +
-JIT warmup), not by window size or queue capacity. Login acceptance
-(gate-ready < 3500 / total < 10000) NOT met; the widening stays — it
-removes the drip as a pacer everywhere, collapses the portal-hold
-gate-ready to ~3.6 s, and is what exposed the real limiter. No register
-row: the streamed result and the reveal gate are byte-identical; only the
-scheduling rate during a hidden hold changed (same precedent as the
-previous round). **Ladder: 27.4 → 12.7 → login 12.6–12.7 (unchanged, now
-attributed to the cold render-thread barrier); portal-hold gate-ready
-~3.6 s / total ~8.7 s. Next lever: instrument and cut the login-cold
-render-thread upload/registration phase (t≈1–8 s, concurrent) — budgets
-are exonerated three times over.**
-
-## #417 — World ambience keeps playing (and re-firing) on the character-select screen after the in-world logoff
-
-**Status:** ✅ FIXED 2026-08-17 (logout-audio round; fix + tests in the same
-commit as this entry). **Symptom:** log out to character select — the old
-world's ambient noise continues. **Root cause:** the character-session
-reset manifest had NO audio step at all. Retail's logoff destroys the
-world's sound sources WITH the world, so character select is silent; our
-OpenAL world pool and the ambient scheduler are process-lifetime, so after
-the reset the playing voices (including the continuous ambient beds) ran
-on, and `AmbientSoundController.Tick` kept RE-FIRING deadlines against the
-stale listener (the region stays installed and nothing suspends the
-controller — `Suspend`/`StopAll` had zero callers outside the class; the
-existing `WorldGenerationQuiescence` suspend only cycles around generation
-REPLACES, i.e. teleports, never the logout reset). **Fix:** a new
-`WorldAudioSessionGate` (engine `SuspendWorldAudio` — stops all sixteen
-world-pool voices and gates new plays — plus ambient `StopAll` — drops
-every deadline; the soundscape rebuilds on the next objcell observation
-exactly as a cell change always did) wired as the reset manifest's new
-"world audio" step, with the pool reopened at the entered-world edge via
-the new `LiveSessionEnteredWorldBindings.ResumeWorldAudio` binding
-(default-null, headless-safe), invoked FIRST in `ApplyEnteredWorld` so no
-entered-world callback can emit into a closed pool. Covers logout,
-reconnect, and full-stop uniformly (all run the same manifest). UI-pool
-sounds (interface bank, portal cues) are untouched by design — retail's
-logoff plays its cue through the same interface path.
-
-## #416 — Character-select roster hover highlight never clears (sweeping the roster leaves every row highlighted)
-
-**Status:** ✅ FIXED 2026-08-17 (same round as #414; fix + tests in the same
-commit as this entry). **Symptom:** hovering a roster row highlights it, but
-moving off leaves the highlight on — sweep all rows and every one stays lit.
-**Root cause chain (decomp-grounded):** the roster row template
-(`0x21000004/0x100003A5`) is a media-less button whose three bar children
-(`0x10000481/82/83`) author `Normal_rollover`/`Highlight` media but NO
-`Normal` state — their BASE state instead authors a **File=0 draw-nothing
-image**. Retail clears the bar through two mechanisms our port approximated
-away: (1) `UIElement_Button::UpdateState_ @0x00471CF0` gates the machine on
-`AccessStateDesc` — any AUTHORED state commits (the row's empty
-`Normal` descriptor included), unauthored requests no-op; (2)
-`UIElement::SetState @0x00464E70`'s tail (`@0x004651c0`) resets the media
-machine ONLY when the committed state's media array is NON-EMPTY — an
-empty-media state keeps the previous media (why an empty `Normal_pressed`
-never blanks a Normal-art button), an unauthored state commits state 0
-whose BASE media applies, and the bar children's File=0 base image is what
-draws-nothing. Our media-keyed `_availableStates` gate refused the row's
-empty `Normal` commit outright, latching the rollover forever. **Fix:**
-`UiButton` now ports the machine gate (authored-on-own-desc) and the
-SetState media rule (per-face-segment media states with the non-empty-array
-reset gate; `LayoutImporter` records raw `MediaCount` including File=0
-entries); `UiDatElement.TrySetRetailState` gained retail's
-unauthored→state-0 arm with the base-descriptor `PassToChildren` cascade.
-Retires the AP-222-era requested-keyed label hack (the spins' property-only
-`Highlight` now genuinely commits — label recolors, arrow art lingers, the
-exact retail split). Live-verified at char select: hover `+alex` → grey bar;
-move off → bar clears; selected row keeps its amber bar. Tests:
-`UiButtonTests` (pressed-state face linger via draw capture, property-only
-Highlight commit, machine no-op preservation), `UiDatElementTests` (state-0
-commit/cascade/#408 guard), live-DAT spin pin updated to the commit truth.
-
-## #415 — UI-probe `wait world-*` verbs are dead without `ACDREAM_AUTOMATION_ARTIFACT_DIR` (unbound deferred automation wrapper)
-
-**Status:** ✅ FIXED 2026-08-17 (same round as #414/#416; fix in the same
-commit as this entry's flip). Filed as "reads the reset snapshot" — that
-diagnosis was WRONG: the completed reveal KEEPS `WorldViewportObserved`
-(only the next `BeginRevealCore` clears it). The actual cause:
-`FrameRootComposition` binds the `WorldLifecycleAutomationController` (and
-therefore the probe runtime bridge) ONLY when
-`ACDREAM_AUTOMATION_ARTIFACT_DIR` is configured; without it the
-`DeferredWorldLifecycleAutomationRuntime` wrapper stays unbound and every
-`wait world-ready/world-visible/materialized` verb silently reads false
-until timeout — even while the `[world-reveal]` stream shows the awaited
-edge (the #414 repro logs proved exactly this). **Fix:** a facts-only
-`WorldRevealFactsAutomationRuntime` now binds whenever the retained UI
-exists and the full controller is not composed — the wait verbs need only
-the reveal snapshot, which every launch has; checkpoint/screenshot verbs
-still require the artifact directory and now say so explicitly instead of
-failing with a generic timeout. Test apparatus only — no player impact.
-
-## #414 — Mouse cursor disappears at character select after the in-world logoff (teardown fly-mode fallback raw-captures the cursor)
-
-**Status:** ✅ FIXED 2026-08-17 (entry/exit presentation follow-up; fix +
-regression tests in the same commit as this entry). **Symptom:** press the
-indicator bar's X, confirm Yes, land on character select — the OS cursor is
-gone (and captured). Second Enter still works; the cursor returns once a
-world login re-enters chase mode. **Evidence:** live Win32 `GetCursorInfo`
-sampling over the driven logout (scripted UI probe: `0x100000FA` → dialog
-accept `0x17`) — cursor flags flipped `1 → 0` (hCursor `0x0`) exactly at
-the roster re-push that re-shows character select, and stayed hidden.
-**Root cause:** `CameraController.ExitChaseMode` (called from
-`PlayerModeController.Exit`/`ResetSession` at every session teardown) fell
-back to `Mode.Fly` — the pre-retail dev free-camera convention — and
-`CameraPointerInputController.ApplyCursorForCameraMode` faithfully applies
-`CursorMode.Raw` (GLFW disabled cursor: hidden + captured) for fly mode.
-Fresh boot never fires a mode change at character select (starts Orbit), so
-only the post-logout path was affected. **Fix:** teardown lands on
-`Mode.Orbit` — the exact state a fresh boot presents at character select —
-and always notifies, so the pointer controller restores `CursorMode.Normal`
-even when torn down from the dev fly camera. The dev fly↔chase flow is
-untouched (it rides `ToggleFly`, never `ExitChaseMode`).
-`CameraControllerTests`: chase→orbit + notify, fly→orbit + notify,
-orbit no-op no-notify; the old fly-fallback assertion updated to the new
-contract.
-
-## #413 — House tab shows no content (owned-house display, Display* line builders unported)
-
-**Status:** NARROWED 2026-08-17 (House-tab ownership-text closer session);
-item 2's not-expired branch closed same-day at the night-round review fix
-round (F8); **the houseless case CORRECTED same-day at the morning gate
-round (user finding 2 — see the correction note inside item 2)**. Items 1
-and 2 below are DONE; item 3 (owned-house-only builder content) remains
-OPEN and is the entire remaining scope.
-
-**What's shipped (this session, on top of Batch C's mount + parser
-groundwork).**
-
-1. **`RuntimeHouseState`** (`src/AcDream.Runtime/Gameplay/RuntimeHouseState.cs`)
- — the minimal owner ISSUES originally called for ("a lighter read-only
- mirror... no full owner ceremony"): no `GameRuntimeConstructionPoint`
- fault-injection entry, no `IDisposable`/`construction.Own`, since it holds
- no live-object side effects. It DOES participate in
- `RuntimeGenerationReset` (new stage `RuntimeGenerationResetStage.House`,
- between `Trade` and `BeginEntityRetirement`) since a fresh login must not
- show a previous character's house-query result. Wired end-to-end:
- `GameEventWiring`'s `onHouseData`/`onHouseStatus` delegate holes →
- `LiveSessionEventRouter`'s new `LiveSocialSessionBindings.House` →
- `GameRuntime.HouseOwner` → `MapHouseRuntimeBindings.HouseLines`/
- `HouseShown` → `HousePageController`.
-
-2. **`gmHouseUI::DisplayPurchaseTimeText @0x004a3110`'s expired branch** —
- ported faithfully in `RuntimeHouseState.Recompute`: local player
- `PropertyInt.HousePurchaseTimestamp` (199 decimal) via
- `ClientObjectTable`, `HouseSystem::HasPurchaseWaitPeriodExpired(timestamp)
- = (nowEpoch - timestamp) > 0x278d00` (2,592,000 s = 30 days), and the two
- literal strings gated on `m_pHouseData == 0`. A fresh `+Acdream`-shaped
- character (no `HousePurchaseTimestamp` ever set) shows **exactly one
- line**: "You may buy another house immediately." — matching this issue's
- OWN original acceptance-test wording below, byte-verified against
- `data_7ab7f0` in the decomp. **The not-expired `strftime`-formatted
- branch is now ALSO ported (night-round review, F8, 2026-08-17) — the
- "BN-unrecoverable format string" claim was wrong.** A direct capstone
- disassembly of the raw bytes at `gmHouseUI::DisplayPurchaseTimeText`'s
- not-expired branch resolves all three literal pieces retail
- concatenates: prefix `"You may buy another landscape house at "`
- (`data_7ab790`), the `strftime("%c", ...)`-formatted expiry moment
- (`timestamp + 0x278d00`, i.e. 30 days after the purchase timestamp), and
- suffix `". This restriction does not apply to apartments."`
- (`data_7ab7b8`). `RuntimeHouseState.Recompute` now renders this exactly,
- substituting .NET's culture-default `DateTime.ToString()` for the CRT's
- `strftime("%c", ...)` (a different formatting engine, same "process
- locale, full date+time" intent — filed as register row IA-23, an
- approximation, not a gap).
-
- **CORRECTION (2026-08-17 morning gate round, user finding 2 — the
- paragraph this replaces was WRONG):** the earlier session had refuted
- the preceding line "You do not currently own a house." with the claim
- that "no such string exists anywhere in the 2013 EoR
- `acclient_2013_pseudo_c.txt` dump" — but the user's retail screenshot
- (their live client, houseless character) shows exactly that line ABOVE
- "You may buy another house immediately.", and the user's side-by-side
- retail reports are axioms. The re-derivation found the string DOES
- exist in the 2013 binary, at `data_7ab688`: it is
- `gmHouseUI::DisplayBuyPayment @0x004a2b30`'s HOUSELESS branch. Two
- compounding misreads hid it: (a) `DisplayBuyPayment` was mislabeled
- houseless-silent — its `m_pHouseData` gate only selects WHICH text
- (`jne 0x4a2b63`); the ListBox emit (`AddItemFromTemplateList` +
- `SetTextWithFont`, `@0x004a2b80` onward) runs in BOTH branches; and
- (b) the pseudo-C dump renders both `push ` operands as
- spurious `&gmHouseUI::vftable'.RecvNotice_*` symbol matches (the same
- BN artifact class TS-85/F3 documented), so a TEXT sweep of the dump
- finds no house strings there — the raw string pool has them
- (byte-decoded via capstone this round: houseless `@0x004a2b57` `push
- 0x7ab688` = "You do not currently own a house."; owned `@0x004a2b63`
- `push 0x7ab65c` = "The purchase price for this dwelling is:\n" +
- `HousePaymentList::ComposeText`, still item-3 scope). The morning-gate
- task brief's alternate hypothesis (a DAT string-table id) was also
- checked and is NOT the mechanism — it is a plain exe string-pool
- literal, same as every other gmHouseUI line. `RuntimeHouseState.
- Recompute` now renders the houseless case as retail's exact TWO lines
- in builder order: "You do not currently own a house." then the
- purchase-time line; `RuntimeHouseStateTests` updated to pin both.
-
- **Also fixed in the same pass: `HousePageController.Bind` never wired
- `UiTemplateListBox.TemplateResolver`.** Without it,
- `AddItemFromTemplateList` always returns null (no resolver = no row) —
- the ListBox would have stayed visually empty regardless of `Lines`
- content. `HousePageController.Bindings` gained a `TemplateResolver`
- parameter, wired in `Bind`; `RetailUiRuntime.MountMapHousePanel` supplies
- the SAME generic `ResolveHotspotTemplate` the Map tab's town hotspots
- already use (a plain `(layoutId, elementId) -> UiElement` resolve+build,
- nothing map-specific about it despite the binding's name).
-
-**What remains open — item 3, the entire surviving scope:**
-
-3. **The owned-house-only `Display*` line content** (`DisplayBuyPayment`'s
- OWNED branch — its houseless branch shipped at the 2026-08-17 morning
- gate correction above — plus `DisplayRentPayment`, `DisplayBuyTime`,
- `DisplayRentTimes`, `DisplayLocation`, `DisplayWarningText`, all called
- from `gmHouseUI::DisplayHouseData @0x004a3380`). Each is dozens-to-a-few-hundred
- lines of heavily FPU/string-mangled BN pseudo-C (PStringBase sprintf
- chains, `HousePaymentList` iteration, `IsPaidInFull`/
- `ConstructRentWarningMessage`-style formatting) — genuinely sized as its
- own session, and only exercisable once a test character actually owns a
- house (not true of `+Acdream` today; `RuntimeHouseState.ApplyHouseData`
- is wired and tested against a synthetic `GameEvents.HouseData`, but has
- never been exercised against a real ACE-owned house). `DisplayLocation`
- is the exception: its own logic is clean (`GetHouseLocation` →
- `LandDefs::gid_to_lcoord` → the SAME `(v-0x400)*0.1+0.5` transform the
- Map tab already ports via `RadarCoordinates`) but its output STRING
- format is BN-mangled the same way the Map tab's coordinate readout was —
- reuse whatever resolution that gets if/when #413's map coordinate format
- string is independently recovered.
-
-**Reference:** `docs/research/2026-08-17-map-house-recon.md` (the recon);
-`src/AcDream.Runtime/Gameplay/RuntimeHouseState.cs` (this session's owner,
-full citation set in its own class doc); `docs/architecture/retail-divergence-register.md`
-AD-107 (the HouseQuery-on-tab-open trigger adaptation);
-`src/AcDream.App/UI/Layout/HousePageController.cs`,
-`src/AcDream.Core.Net/Messages/GameEvents.cs` (House parsers),
-`src/AcDream.Core.Net/GameEventWiring.cs` (delegate holes).
-
-**Acceptance test — CLOSED for the houseless case, LIVE-VERIFIED, still the
-target for the owned-house case.** The House tab, on a fresh `+Acdream`
-connect with no owned house, shows "You may buy another house
-immediately." after the tab is opened (client sends `HouseQuery`, ACE
-replies `HouseStatus`, `RuntimeHouseState.ApplyHouseStatus` fires,
-`Recompute`'s expired/no-house branch renders the line) — unit-tested
-(`RuntimeHouseStateTests.HouseStatus_FreshCharacterWithNoTimestamp_ShowsBuyImmediatelyLine`),
-fixture-tested end-to-end through the real row template
-(`MapHousePanelControllerTests.Tick_RendersHouseLinesIntoTheAuthoredRowTemplate`),
-and CONNECTED-GATE-VERIFIED 2026-08-17 against a real local ACE server and
-the real `+Acdream` character (guid `0x5000000A`): a `--session-config`
-launch (auto-selecting the character to bypass the interactive
-character-select screen) plus a `ACDREAM_UI_PROBE_SCRIPT` automation script
-(click the Map/House toolbar button `0x1000019A`, switch to the House tab
-`0x100001F4`, dump the live UI tree, screenshot) produced a screenshot
-showing the House tab's ListBox rendering exactly "You may buy another
-house immediately." and a structural UI dump confirming the House page
-(`0x100001F7`), its ListBox (`0x100001E6`), and its ONE rendered row
-(`0x100001E7`, the authored template) all visible and correctly placed. Both
-launches ended with an ACE-confirmed graceful logout
-(`[session] graceful logout confirmed`). Still owed: the owned-house case
-once item 3 lands.
-
-## #412 — Options panel Config tab content escapes the window frame (footer mid-panel, rows drawing below the window's bottom edge)
-
-**Status:** DONE 2026-08-16/17 (overnight hover/UI round, Batch A bug 2).
-
-**Symptom (user screenshot):** the Config tab's Sound/Camera/Graphics/Rendering
-Quality sections rendered with the Apply/Reset/Defaults footer sitting
-mid-panel and further rows (Full Screen, Sync With Refresh Rate, Screen
-Brightness, Adaptive Degrade, the quality dropdowns...) drawing BELOW the
-window's bottom edge, outside the panel frame — not clipped to the window,
-not reachable by scrolling. The user noted seeing this class of bug before
-("another bug that I saw before as well") — a related but distinct symptom,
-the CONTENT-behind-the-footer bleed-through, was already fixed as #381; this
-is content escaping the WHOLE window, not just showing through the footer
-strip.
-
-**Root cause — a stale anchor-baseline capture, not a missing clip.**
-Live-DAT measured (`0x2100006E` slot `0x1000018D`): the merged tab-host root
-is authored 300×362 (retail's real default window size — matches the floaty
-frame's own 310×372 root), but the Config page slot underneath
-(`0x10000213`) keeps its own larger authored design geometry, 298×575
-against a 300×600 design canvas — retail's real
-`UIElement::UpdateForParentSizeChange @0x00462640` four-edge policy
-(`L=T=R=B=1`, "preserve original margin on every edge") correctly shrinks
-that slot to ~298×337 on the first `ApplyAnchor` layout pass, and the Config
-ListBox (`0x10000200`, 276×560) shrinks right behind it via the SAME
-per-element `UiLayoutPolicy` mechanism — both verified stable over repeated
-simulated frames. The actual bug: `UiTemplateListBox.Viewport` (the
-`UiScrollablePanel` that hosts + clips every row) is a PROGRAMMATIC C#
-element seeded at `ConfigOptionsPageController.Bind` time — BEFORE the
-tree's first real draw frame, i.e. before the ListBox has ever shrunk. Its
-legacy `Left|Top|Right|Bottom` anchor baseline is captured lazily, on ITS
-own first `ApplyAnchor` call, which lands AFTER the ListBox has already
-shrunk earlier in that SAME frame (parent-before-child draw order) — so the
-capture measures a NEGATIVE bottom margin (`parentH(297) - (0+560) = -263`)
-that `ComputeAnchoredRect`'s stretch math preserves FOREVER: the viewport
-stayed locked at its original 560px design height, clipping rows to a bound
-retail never actually gave the window on screen. Rows past the real ~297px
-stayed "visible" per the cull test and painted straight through the footer
-and past the window's real bottom edge.
-
-**Fix (mechanism, not a workaround):** `UiTemplateListBox.Viewport`'s getter
-now calls `_viewport.CaptureCurrentAnchorBaseline()` immediately after
-seeding it — forcing the anchor capture to happen NOW, while the viewport's
-own Width/Height still exactly equal a zero-margin baseline against its
-CURRENT (pre-shrink) parent, instead of lazily on the first real draw frame
-against an ALREADY-shrunk parent. `ComputeAnchoredRect` then tracks whatever
-height the ListBox actually ends up at after its own `LayoutPolicy` runs, on
-every subsequent frame — exactly #372's original intent (#372 fixed the 0×0
-collapse case; this is #372's sequel for the "ListBox itself later shrinks"
-case, which #372's own fixture never exercised because its harness ListBox
-had no parent to shrink it).
-`src/AcDream.App/UI/UiTemplateListBox.cs`.
-
-**Tests:** `UiTemplateListBoxViewportTests.Viewport_TracksTheListBox_WhenTheListBoxItselfShrinksOnFirstLayout`
-(synthetic two-level `UiLayoutPolicy` parent chain using the live-DAT-measured
-298×575/276×560 numbers) and two `ConfigOptionsPageControllerTests` fixture
-regressions
-(`ConfigSlot_MatchesItsAuthoredOversizedDesign_BeforeAnyLayoutPass`,
-`ConfigTab_ContentFitsInsideItsMountedWindow_AfterOneDrawFramesLayoutPass`)
-against the REAL production `ConfigOptionsPageController.Bind` path and the
-committed `options_panel_2100006E_1000018D.json` fixture. All three fail
-pre-fix (red-green confirmed by temporarily reverting the fix) and pass
-post-fix. Full App suite (5437/3 skips), Runtime (1735/0), and the complete
-solution (14,575 tests) pass with the fix in place.
-
-**Blast-radius note (task-required):** the fix is scoped to
-`UiTemplateListBox`'s own lazily-created viewport — it does not touch
-`UiScrollablePanel`, `UiElement.ApplyAnchor`, or `ComputeAnchoredRect`
-themselves, so chat's transcript scrolling and every other
-`UiScrollablePanel`/`UiItemList` consumer (inventory grids, spell/component
-catalogs, Chat tab's own filter blocks) are unaffected — confirmed by the
-full solution run passing with no new failures anywhere outside the two
-files this fix touches. The ONLY other `UiTemplateListBox` consumers are the
-Character and Chat Options tabs, which share the identical
-Bind-before-first-frame ordering and are now protected by the SAME fix.
-
-**Live check not performed:** the fix is proven via live-DAT-measured
-geometry (real installed DAT numbers feeding both the regression tests and
-this writeup) plus the fixture path that mirrors the exact production
-`RetailUiRuntime.MountOptionsPanel` sequence, but the actual visual
-Config-tab-in-window check was not done live (no interactive desktop
-consent available this session — see #409's own note on the same
-constraint). Owed: open Options -> Config with `ACDREAM_RETAIL_UI=1` and
-confirm the footer and every row stay inside the window frame, with the
-scrollbar reaching every row.
-
----
-
-## #411 — Hover feedback over interactive UI elements: no cursor swap, and item cells have no rollover state
-
-**Status:** CLOSED 2026-08-16 at the #409 hover-feedback completion round — the
-user's answer to the open question below ("the POINTER changes, like it already
-does over world NPCs") is CONFIRMED by decomp, not merely a memory to trust:
-`UIElement_SmartBoxWrapper::FindObject @0x004E5430` calls
-`SmartBox::set_found_object(itemID)` UNCONDITIONALLY whenever the hovered UI
-element casts to `UIElement_UIItem` — not gated on target mode, as the port plan
-below (written before this finding) assumed it would need to be. Fixed with a
-ONE-LINE widening of `CursorFeedbackController.Update(UiRoot)`'s existing
-(too-narrow) item-hover special case; `ResolveGlobalKind` needed no changes,
-since it already read the "found" flag unconditionally across every mode. See
-docs/ISSUES.md #409's own "hover-feedback completion round" write-up (item 3)
-for the full derivation and `CursorFeedbackControllerTests.
-UpdateFromRoot_HoveringAnItemSlot_ShowsFoundCursor_In{OrdinaryPeaceMode,CombatMode}`
-for the pin. The rollover-STATE half of this investigation (item 3 below,
-`UiItemSlot` has no `HoverEnter`/`HoverLeave`) was NOT in scope for the pointer
-question and remains unaddressed if the user separately wants the highlight —
-file a fresh issue if so; this closure covers only the pointer-swap question the
-lead's scope addition asked about.
-
-**Severity:** LOW (cosmetic/affordance; no gameplay impact)
-**Depends on:** nothing — the hover dispatch it needs is already correct (see #409's
-live-failure round, which proved `UiRoot.UpdateHover` selects the right widget).
-
-**Original investigation (below), kept for its still-valid layer 1/2/3 breakdown —
-only the "never fires over an inventory item" conclusion for layer 2 was
-incomplete; see the closure note above for the corrected reading.**
-
-**Retail mechanism, derived from `docs/research/named-retail/acclient_2013_pseudo_c.txt`.**
-There are THREE separate hover-feedback layers, and the DAT decides which one applies:
-
-1. **Per-element cursor** — `UIElementManager::CheckCursor @0x0045ABF0`, called from
- `SwitchMouseOver @0x0045B5F8` whenever the entered element changes. It takes
- `m_pElementWithMouseCapture` if it `HasCursor()`, else `m_pElementLastEntered` if it
- `HasCursor()`, and calls `SetCursor(elem->m_cursorDID, m_cursorHotX, m_cursorHotY, 0)`;
- otherwise it restores `m_defaultCursorDID` with the "is default" flag 1.
- `UIElement::HasCursor @0x00464980` is just `m_cursorDID != INVALID_DID`, and the ONLY
- writer of `m_cursorDID` in the whole binary is `UIElement::SetCursor @0x0045FF50`,
- whose ONLY caller is `MediaMachine::Update_Cursor @0x00465A80` — i.e. this layer is
- 100% authored `MediaDescCursor` state media, never game code.
- **MEASURED (exhaustive raw scan of every `ElementDesc` in every `LayoutDesc`,
- template roots and nested children included): exactly 101 authored cursor media,
- on element types 9 (Resizebar) and 2 (Dragbar) only, using only 5 cursor DIDs —
- `0x06006119`, `0x06006126`, `0x06006127`, `0x06006128`, `0x06005E66`.** Those five
- are precisely what `RetailCursorCatalog.TryGetWindowControlCursor` already
- hardcodes. **So NO inventory item, item list, button, or option row authors a
- per-element cursor in retail, and acdream is not missing a cursor swap for them.**
- What acdream IS missing here is the general seam: `UiElement.StateCursors` is parsed
- (`LayoutImporter.ReadState`) and stored (`UiElement.SetStateCursors`) but has ZERO
- consumers — the window move/resize cursors reach the screen through the hardcoded
- catalog instead. Porting `CheckCursor` properly means driving the cursor off the
- hovered element's own `StateCursors` and deleting the hardcode.
-
-2. **Global "found" cursor** — `ClientUISystem::UpdateCursorState @0x00564630` picks the
- `...Found` variant of whichever cursor the current combat/target/busy mode selects,
- keyed ONLY on `SmartBox::get_found_object_id() != 0`. The only writer is
- `UIElement_SmartBoxWrapper::FindObject @0x004E545D` — the 3D viewport's world pick.
- So this layer never fires over an inventory item either.
-
-3. **Per-element rollover STATE** — `UIElementManager::SwitchMouseOver @0x0045B560` calls
- `m_pElementLastEntered->MouseOverTop(1)` on enter and `(0)` on leave.
- `UIElement::MouseOverTop @0x004615D0` sets `__bitfield164` bit 0 and broadcasts
- element message `0x1B`; the media machine then swaps the element to its rollover
- media. `UIElement_Button::MouseOverTop @0x004721F0` and
- `UIElement_Field::MouseOverTop @0x00472360` override it (the Field override is the
- drag-drop accept/reject state pair, states 9/10).
-
-**Most likely what the user is seeing.** Because layers 1 and 2 are measurably not
-involved for an inventory item, "the cursor should light up" is most likely layer 3 —
-the item cell's own rollover highlight. acdream's `UiButton` honors rollover
-(`RolloverEnabled`, dat property `0x13`, `UiButton.cs:462` + its HoverEnter/HoverLeave
-handling at `UiButton.cs:831/835`), but **`UiItemSlot` has no hover handling at all** —
-no HoverEnter/HoverLeave, no rollover state. That is the concrete gap to close first.
-
-**Open question that needs one user observation (or a retail side-by-side).** Whether
-the retail behavior the user remembers is (a) the item cell highlighting, or (b) the
-mouse pointer bitmap actually changing. If it is (b), the mechanism is NOT any of the
-three above for a UI item and needs a fresh derivation — do not guess. Ask before
-porting.
-
-**Port plan (in dependency order).**
-1. Give `UiItemSlot` a HoverEnter/HoverLeave rollover state (retail
- `UIElement::MouseOverTop @0x004615D0` bit 0 + message `0x1B`), sourced from the
- cell's own authored rollover media where it has one.
-2. Replace `RetailCursorCatalog.TryGetWindowControlCursor`'s five hardcoded DIDs with a
- real `CheckCursor @0x0045ABF0` port off `UiElement.StateCursors` + a capture-wins
- precedence, driven from `UiRoot`'s existing hover-change edge (the same edge #409's
- tooltip dwell already uses). This is behavior-neutral for the 101 measured elements
- and removes a hardcode; it is the prerequisite for any future DAT that authors a
- cursor somewhere new.
-3. Only if the user confirms (b) above: derive the item-hover cursor mechanism fresh.
-
-**Files:** `src/AcDream.App/UI/UiItemSlot.cs`, `src/AcDream.App/UI/UiRoot.cs`
-(`UpdateHover`), `src/AcDream.App/UI/RetailCursorCatalog.cs`,
-`src/AcDream.App/UI/CursorFeedbackController.cs`, `src/AcDream.App/UI/UiElement.cs`
-(`StateCursors`, today unconsumed), `src/AcDream.App/UI/Layout/LayoutImporter.cs`
-(`ReadState`'s `MediaDescCursor` read).
-
----
-
-## #410 — Client-wide VJustify (vertical text justification) enum mapping + unauthored default are wrong (retail default is Top, not Center)
-
-**Status:** OPEN
-**Severity:** MEDIUM (silently mispositions every DAT-imported `UiText` that
-relies on the unauthored default, or that authors a raw vertical-
-justification value other than 1 — currently invisible unless two
-elements' boxes are close/overlapping the way the Skills info-box panes
-are, but could affect vertical alignment anywhere client-wide)
-
-Found during Campaign CC gate round 1 re-test 2's R3-3 investigation
-(`docs/research/2026-08-16-campaign-cc-gate-round1-findings.md`). The
-Skills page's info-box title (`0x100003fb`) and description (`0x100003fc`)
-panes author NO dat property `0x15` (vertical justification) — live-DAT-
-probe-confirmed absent on both — so both fall to whatever this port's
-unauthored default resolves to, currently `VJustify.Center`
-(`ElementReader.cs`'s `VJustify` field default and
-`ElementReader.cs`/`DatWidgetFactory.cs`'s import-time mapping switches).
-
-Byte-traced against retail:
-
-- `UIElement_Text::UIElement_Text` (ctor) `@0x004685ff`: unconditionally
- sets `this->m_eVerticalJustification = 4` (and
- `m_eHorizontalJustification = 2` at `@0x004685f5`) BEFORE any dat
- property is applied — i.e. retail's real unauthored default is the raw
- value **4**, not whatever a "sensible default" might suggest.
-- `UIElement_Text::CalcJustification` `@0x00467260`: the ACTUAL enum
- semantics, shared by both the horizontal and vertical branches via one
- `ecx_5` comparison — `ecx_5 == 1` → **Center**; `ecx_5 == 3 || ecx_5 == 5`
- → the FAR edge (**Right** for horizontal, **Bottom** for vertical); any
- OTHER value (0, 2, 4, ...) → `edi = 0`, the NEAR edge (**Left** for
- horizontal, **Top** for vertical).
-
-Cross-referencing: the ctor's own vertical default of 4 resolves via this
-real semantic table to **Top**, not Center. This port's
-`ElementReader.cs:507`'s import-time switch (`2u=>Top, 4u=>Bottom,
-_=>Center`) and `DatWidgetFactory.cs:704`'s build-time switch are BOTH
-wrong relative to the real table — only raw value `2` (coincidentally
-falling into the correct "near edge" bucket) and `1` (Center, matching the
-`_=>Center` catch-all by coincidence) currently resolve correctly; `0`,
-`3`, `4`, and `5` all resolve to the wrong bucket. The `ElementInfo.VJustify`
-field default (`VJustify.Center`) is ALSO wrong — it should be `Top` to
-match the ctor's real resolved value.
-
-**Why this is filed instead of fixed here:** the blast radius is
-client-wide — every DAT-imported `UiText` that reaches the
-`Centered`/`RightAligned`/`OneLine` static paths or the multi-line
-honored-justification path (`_honorDatVerticalJustification`, set
-unconditionally by `ConfigureDatState` for every DAT-imported text
-element) is affected, including already-shipped, visually-verified,
-FROZEN surfaces (vitals numbers, chat, main game UI, Options panel) that
-may be relying on the CURRENT (wrong) Center default for their existing
-correct-looking vertical alignment. Flipping the shared default/mapping
-without a full client-wide regression sweep risks reintroducing
-regressions in surfaces this session has no budget to re-verify. R3-3's
-own fix (`CharacterCreationSkillsPage`'s constructor) scopes the
-correction to ONLY the two Skills info-box panes via an explicit
-`VerticalJustify = VJustify.Top` post-construction assignment — a
-targeted, decomp-grounded correction that does not touch the shared
-mapping.
-
-**Fix direction when this issue is picked up:** (1) correct
-`ElementReader.cs`'s import-time switch AND `DatWidgetFactory.cs`'s
-build-time switch to the real table above (`1=>Center, 3 or 5=>Bottom,
-else=>Top`) for BOTH horizontal and vertical justification (audit the
-horizontal switch too — it currently special-cases `0u or 2u=>Left`
-instead of "everything except 1/3/5"; likely benign today since 2 is the
-only unauthored horizontal default in practice, but should be corrected
-for the same reason); (2) flip `ElementInfo.VJustify`'s field default to
-`Top`; (3) fix `ElementReader.cs:435`'s `Merge` sentinel
-(`derived.VJustify != VJustify.Center ? derived : base_`) to use the NEW
-default (`Top`) as the "unset" sentinel instead, or restructure to a
-nullable/explicit-override tracking shape so the merge doesn't rely on a
-magic default value at all; (4) a full client-wide live-DAT sweep of every
-Type-12/Button element that authors OR omits property `0x15`/`0x14`,
-cross-checked against a fresh full visual pass of chat, main game UI,
-Options, and every chargen page (this port's own `CharacterCreationSkillsPage`
-override from R3-3 should be REMOVED once the shared default is corrected,
-since it would then be redundant); (5) the exact same audit for the
-horizontal `HJustify` mapping while in this code, since it shares the
-`CalcJustification` function and the same class of latent bug.
-
-## #409 — Client-wide UI tooltip system is unshipped (GF-16, deferred out of Campaign CC gate round 1)
-
-**Status:** CODE-COMPLETE 2026-08-16; review-fix round F1-F11, the LIVE-FAILURE round, and the hover-feedback completion round (item-cell tooltips + world-object hover tooltip) all landed same day. The live-failure round's own fix is LIVE-VERIFIED (Options -> Character tab tooltip observed on a real connected client, screenshot evidence); the hover-feedback completion round's three items are automated-gate-verified (unit + live-DAT) but the user's connected gate for THOSE items specifically is still owed — see that round's own "Live-verify all three" note.
-**Severity:** LOW-MEDIUM (cosmetic/discoverability — no gameplay impact, but retail shows a tooltip on hover for authored elements client-wide and acdream showed none before this fix)
-
-**2026-08-16 re-derivation + port.** Full re-derivation from
-`docs/research/named-retail/acclient_2013_pseudo_c.txt` corrected two things
-the original GF-16 filing below got wrong from a shallower pass: **`P0x47`
-is NOT a "tooltip behavior enum" — it is the element-desc id WITHIN the
-popup LayoutDesc (`P0x48`) to instantiate as the popup's root**
-(`UIElementManager::StartTooltip @0x0045DE90` passes it straight to
-`LayoutDesc::AccessElementDesc`), and **`P0x4A` is read off the freshly
-INSTANTIATED popup's own root element, not the hovering trigger element**
-(it names that popup's text-child id). A live-DAT sweep (installed EoR
-build) found **430 elements author at least one of the five trigger
-properties** (243 with literal `P0x49` `StringInfo` text this port shows;
-the other 187 have no literal text and show nothing — see register row
-TS-85 for the honest scope of what's missing there), superseding the
-original "~253" estimate.
-
-**2026-08-16 LIVE-FAILURE round (user gate on build `1.0.3-tt.a`: "tooltips do not appear
-anywhere except one on the paperdoll").** Root-caused, fixed, and live-verified the same
-day. TWO findings, both measured, neither of them a broken hover/hit-test:
-
-1. **The dominant root cause: the presenter read only the AUTHORED text.**
- `RetailTooltipPresenter.OnTooltipShow` gated on `widget.AuthoredTooltipText`
- (`P0x49`) alone. Retail's `UIElement::StartTooltipAtMouse @0x00460D70` takes the
- RUNTIME `m_TTText` first (`@0x00460DA3` `StringInfo::IsValid` -> `@0x00460DAA`
- verbatim copy) and only falls back to `InqProperty(0x49)` at `@0x00460DDF`.
- acdream ALREADY had the runtime layer — `UiElement.GetTooltipText()`, populated by
- `CharacterOptionsPageController:477`, `ChatOptionsPageController:502`,
- `ConfigOptionsPageController` (5 sites), `KeyboardConfigController:477`,
- `SocialAllegiancePageController:412`, `SocialFellowshipPageController:458`, and
- `UiCheckboxBitfield64:216` — but nothing consulted it. **Live-DAT measured:** the
- Options toggle-row checkbox (`0x2100002B` template root `0x10000218`, checkbox leaf
- `0x10000219`) authors `P0x47=0x10000397 P0x48=0x21000041 P0x4B=true` and an EMPTY
- `P0x49` — the popup locator and the on-bit are authored, only the text arrives at
- runtime, exactly as retail's `UIOption_CheckboxBitfield64::CreateChildren
- @0x00485E65` stamps its `siTooltip` array. Re-measured across every LayoutDesc: all
- 187 no-literal-text tooltip elements author BOTH locator ids, i.e. the whole set is
- runtime-text targets. FIXED: `RetailTooltipPresenter.ResolveTooltipText` now uses
- retail's order, and the `P0x48`-absent fallback to the element's own LayoutDesc
- (`@0x00460E7E`, `this->m_layout->m_DID`) is ported through the new
- `UiElement.SourceLayoutDid` threaded from `LayoutImporter.Build`'s new
- `sourceLayoutDid` parameter. (`RowTemplateResolver`'s build delegate carries no
- layout id, so social row templates leave `SourceLayoutDid` at 0 — they author
- `P0x48` anyway, so no live case needs the fallback there.)
-
-2. **The "243 showable" number was never an in-world number.** A grouped re-sweep of
- the same 243 found them concentrated in CHARACTER-CREATION layouts (`0x21000038`
- heritage/profession/skills/appearance/town/summary tabs, `0x21000047` attributes,
- `0x21000049`/`0x2100004C` appearance+skills, `0x21000005`/`0x2100000F`/`0x21000068`
- the shared appearance page, `0x21000046` heritage picks). The INVENTORY window
- (`0x21000023`) and paperdoll (`0x21000024`) author exactly TWO between them:
- `0x100001D6` "Drag clothing and armor here to wear them" (the doll drag mask,
- `PaperdollController.DollDragMaskId`) and `0x100005BE` "When this option is chosen,
- you will see explicit equipment slots instead of a portrait" (the Slots button).
- **That first one IS the user's single working tooltip** — confirmed live. So the
- paperdoll was never a differential against a broken mechanism; it was the only
- authored-text tooltip in the panel being hovered. Reachability was also measured
- and is NOT a problem: 238 of the 243 build as real, non-`ClickThrough` hover
- targets (230 `UiButton`, 6 `UiScrollbar`, 2 `UiField`; the 5 misses are Type-12
- prototypes the importer skips by design).
-
-**Live verification (2026-08-16, connected `testaccount`/`+Acdream`, Release,
-`ACDREAM_RETAIL_UI=1`):** hovering Options -> Character -> "Vivid Targeting Indicator"
-now shows "Enable this option to apply a targeting indicator around selected objects
-and monsters for better visual reference"; a temporary hover probe confirmed the hover
-target is element `0x10000219` with `runtime=True`. Hovering the paperdoll still shows
-"Drag clothing and armor here to wear them". Hovering an inventory ITEM still shows
-nothing — that is `UIElement_UIItem::UpdateTooltip @0x004E1CB0` (retail shows the item
-NAME, `"%d %s"`-prefixed when the stack is > 1), which stays deferred: acdream's
-`UiItemSlot` is constructed programmatically at 6+ sites and carries neither the
-`P0x47` popup locator nor a name source, so porting it is its own slice, not a
-one-line seam. Register TS-85 is narrowed accordingly and now enumerates all 15
-`SetTooltip` call sites split into ported / no-acdream-analog. **[F12 correction,
-night-round review, 2026-08-17: this was actually 17 sites, not 15 — the count
-dropped `gmPaperDollUI::UpdateItemSlotTooltip @0x004A52EF` and undercounted by
-one more besides; see register row TS-85's own current text for the corrected
-17-site (16 ported + `RecalculateTruncation` open) tally.]**
-
-**2026-08-16 review-fix round (F1-F11), same day.** An Opus review of the
-port above returned architectural PASS-with-findings / retail-fidelity FAIL
-with twelve findings; F1-F11 landed in one fix commit (F12 was info-only).
-Highlights: the popup now offsets +32px from the mouse on both axes
-(`StartTooltip @0x00459700`, was landing flush at the cursor); the dwell
-timer now anchors to mouse-IDLE like retail's `m_lastMouseMoveTime`, not
-hover-enter, and is gated off while the mouse has capture
-(`CheckTooltip @0x0045B6E0`); `ReleaseCapture` no longer tears down an
-already-shown tooltip's fired latch (it only restarts the idle deadline,
-matching `ReleaseMouseCapture @0x0045D2B0`); the popup no longer mounts an
-empty bevel artifact when its text child fails to resolve
-(`StartTooltip @0x0045DE90`'s `DynamicCast` gate); the popup and its text
-child now null their anchor policy before resizing, mirroring the sibling
-`RetailMessageDialogView`; the auto-resize now applies retail's
-`ResizeTo @0x00463C30` max/min width/height clamps; and a session reset now
-also clears `UiRoot`'s own hover/tooltip-fired latch (not just the
-presenter's popup element) so a post-reset hover re-shows immediately. The
-review's biggest correction was to the ORIGINAL port's own framing of what
-it deferred: "191 elements rely on retail's dynamic `InqProperty(0x49)`
-override" was FALSE — retail's own base `InqProperty` reads the same
-authored property bags this port already reads, so most no-literal-text
-elements show nothing in retail too. Register row TS-85 is rewritten (not
-just re-counted) with the real gap: the `m_TTText`/`SetTooltip` runtime-text
-family, headed by the `P0xD0` truncated-text auto-tooltip
-(`UIElement_Text::RecalculateTruncation @0x00466F80`) — sized and found
-disproportionate to port in the same round (it needs a per-line-position
-truncation model this port's `UiText` doesn't have), so it stays deferred,
-honestly described. Layout `0x21000041` holds four 30x30 popup skins
-(`0x10000487`/`0x10000395`/`0x10000397`/`0x10000398`), each a four-piece
-bevel frame around one shared Type-12 text child `0x10000396` — confirmed
-by `TooltipLiveDatTests`.
-
-**Shipped:** the six-property data layer (`ElementInfo`/`UiElement`
-`Tooltip*`/`AuthoredTooltip*` fields, `ElementReader`,
-`DatWidgetFactory.ResolveTooltipText`, `LayoutImporter.BuildWidget`); the
-hover-dwell/auto-hide/dismissal state machine (`UiRoot.Tick`'s existing
-`CheckTooltip` port gained `TooltipShow`/`TooltipHide` C# events, a
-per-element `P0x50` delay-override consult, and dismissal wiring at every
-retail-confirmed teardown site — hover-target change, owner-element
-removal, duration timeout); `RetailTooltipPresenter` (owned by
-`RetailUiRuntime`, mounted alongside `RetailDialogFactory`) — builds the
-popup via the SAME `LayoutImporter`/dat-lock seam dialogs use, auto-resizes
-by the retail measured-vs-authored-text delta (word-wrapped at the display
-width via the existing `UiText.WrapWords` primitive), positions at the
-mouse cursor clamped to the display, keeps itself topmost over dialogs via
-its own later per-tick `BringToFront` (register AD-106), and gates on both
-the global `Misc.TooltipEnable` preference (client-local, `SettingsStore`'s
-new `MiscSettings` section — retail's OWN 2013 Config tab authors no
-visible row for it either, confirmed by the OP campaign's own research, so
-no new options-panel row was added) and the widget's own `P0x4B`. **No
-click-dismissal was ported** — `UIElementManager::MouseDownEvent
-@0x0045DB60` calls the SAME `SwitchMouseOver` hover-change check that
-already drives dismissal, and it no-ops when the hit-tested element hasn't
-changed, so retail itself does not dismiss a tooltip by clicking its own
-owner.
-
-**Deferred (register TS-85, rewritten at the F3 review round):** the
-`m_TTText`/`SetTooltip` runtime-text family headed by the `P0xD0`
-truncated-text auto-tooltip (187 of 430 tooltip-property-authoring elements
-have no literal text and show nothing; an unmeasured subset of those would
-show retail's truncation tooltip instead) and the `P0x3D` per-element
-wrap-width override (zero elements author one today). **Deferred (register
-AD-106, two honest additions at the F10 review round):** the topmost-z-order
-mechanism is a sibling-with-later-reraise adaptation, not retail's literal
-separate presentation layer — the guarantee is versus dialogs/screens ONLY
-(the overlay popup layer and the drag ghost still paint above regardless),
-and the per-tick `BringToFront` re-raise chain now has four rungs
-(`CharacterManagementUiController`, `CharacterCreationUiController`,
-`RetailDialogFactory`, `RetailTooltipPresenter`) — bounded and enumerable
-today, but a design smell worth flagging.
-
-**Gate note (5-10 min, `ACDREAM_RETAIL_UI=1`) — REWRITTEN at the live-failure
-round, because the original note only listed chargen surfaces and so could not
-have caught the in-world gap the user's gate found.** Hover and hold still; a
-small box should appear after ~0.25 s and vanish when you move to a different
-control.
-
-*In-world (this is what the live-failure fix added — check these FIRST):*
-(1) Options (F11) -> **Character** tab, any checkbox row (e.g. "Vivid Targeting
-Indicator") — a full help sentence. Same for the **Chat** and **Config** tabs'
-rows, sliders and dropdowns. (2) Options -> Configure Keyboard, any key button.
-(3) Social panel (F3/F4) -> the Allegiance/Fellowship checkboxes. (4) Inventory
--> hover the paperdoll figure ("Drag clothing and armor here to wear them") and
-the "Slots" button.
-
-*Chargen (already worked before this round):* (5) Appearance page rotate arrows
-("Rotate left."/"Rotate right.") and any color swatch; (6) the hair/eyes/nose
-spin arrows — longer text, should WRAP rather than run off-screen; (7) the
-Heritage/Profession/Skills/Town/Summary tab buttons.
-
-Confirm also: the box sits offset down-right of the cursor (retail's +32px on
-both axes), never runs off the edge of the window even near a corner, and
-disappears on its own after ~10 s if you hold still without moving away. No
-click-to-dismiss is expected — only moving off the control, or a very long
-hold, closes it.
-
-**2026-08-16 hover-feedback completion round.** Closes the two items the
-live-failure round explicitly deferred (item-cell tooltips, and the #411
-pointer question), plus the world-object hover tooltip the user's gate notes
-called out separately.
-
-1. **Inventory/shortcut/paperdoll item-name tooltips — SHIPPED.**
- `UIElement_UIItem::UpdateTooltip @0x004E1CB0` is called from
- `UIItem_Update` (an item-DATA-CHANGE refresh, not a hover handler — the
- trigger that actually SHOWS it is the generic `CheckTooltip` dwell timer,
- same as any other tooltip-bearing element). Re-derived and closed the gap
- the live-failure round left open ("acdream's `UiItemSlot` carries neither
- the `P0x47` popup locator nor a name source"): live-DAT sweep of the
- shared UIItem cell-template catalog (`ItemListCellTemplate.CatalogLayoutId`,
- `0x21000037`) found ALL 47 UIItem-type (class `0x10000032`) prototypes —
- inventory's cell, every toolbar slot, every paperdoll/armor slot skin —
- resolve the IDENTICAL popup locator (`P0x47=0x10000395`/`P0x48=0x21000041`)
- through catalog inheritance, with no literal text authored on any of them
- (`TooltipLiveDatTests.UiItemCatalog_EveryPrototype_SharesTheSamePopupLocator`).
- `UiItemSlot` now hardcodes that pair and exposes `GetTooltipText()` via a
- new per-instance `TooltipTextResolve` delegate, wired at every physical-
- item construction site — `InventoryController` (main-pack cell + grid
- cells), `ExternalContainerController`, `PaperdollController` (closes the
- `gmPaperDollUI::UpdateItemSlotTooltip @0x004A52EF` row too — same cell
- class, same fix), `VendorUiController` (shop/buying/selling lists),
- `SecureTradeUiController`, `ToolbarController`. Text is
- `ClientObject.GetTooltipDisplayName()` (new Core method): `GetAppropriateName()`
- prefixed with the stack count via `"{count} {name}"` when `StackSize > 1`,
- matching `UpdateTooltip`'s exact `NAME_APPROPRIATE` + `"%d %s"` sprintf.
- `UiCatalogSlot` (spell/component catalog cells — a DIFFERENT `UiItemSlot`
- subclass) is unaffected; it already overrides `GetTooltipText()` with its
- own `Label`.
-
-2. **World-object hover tooltip (NPCs, players, signs, chests, portals) —
- SHIPPED; TIMING CORRECTED at the 2026-08-17 morning gate round.** Retail's
- mechanism is
- `UIElement_SmartBoxWrapper::RecvNotice_SmartBoxObjectFound @0x004E5AD0`,
- fed every frame by `FindObject @0x004E5430`/`Global_Loop @0x004E5620`
- using the current mouse position regardless of input focus. **The
- original "fires IMMEDIATELY (no dwell wait)" reading here was a misread
- — the user's side-by-side retail comparison (retail world tooltips "lag";
- ours popped instantly) sent the derivation back, and the notice's
- immediate `StartTooltipAtMouse @0x004E5DFB` turned out to sit inside
- `if (UIElementManager::s_pInstance->m_dragElement != 0)` (`@0x004E5D8E`
- — a real, distinct PDB field, drag-and-drop only). The ordinary hover
- path STAGES the name (`SetTooltip @0x004E5D74` + the `|= 0x20` TooltipOn
- bit) and the display rides the SAME `UIElementManager::CheckTooltip
- @0x0045B6E0` mouse-idle dwell as UI-element tooltips: 250 ms
- (`m_tooltipDelay @0x0045f75d`) since the last mouse move
- (`m_lastMouseMoveTime`, stamped on EVERY move `@0x0045e736`), so a
- continuously moving mouse shows nothing and the popup appears only once
- the cursor rests. Found-object changes under an IDLE mouse swap the
- popup the same frame (`SetTooltip`'s text-change teardown `@0x004617FF`
- → `ResetTooltip @0x0045C360` tail-calls `CheckTooltip`); the 10 s
- duration expiry requires a fresh mouse move before re-arming
- (`SwitchMouseOver(null) @0x0045b7b2`).** Gated by the
- `PlayerModule::ShowTooltips` character option (`CharacterOptionId.ShowTooltips`
- — already modeled in `CharacterOptionTable`, default true), with text
- `ACCWeenieObject::GetObjectName(id, NAME_APPROPRIATE, 0)` — the SAME name
- call as item tooltips, but WITHOUT the item-cell's separate stack-count
- prefix (a real, decomp-confirmed asymmetry: a ground pile of arrows shows
- "Arrows", not "20 Arrows"). Ported as `RetailTooltipPresenter.
- UpdateWorldHoverTooltip`, driven by the SAME world-hover pick
- `CursorFeedbackController`'s own found-cursor already uses
- (`WorldSelectionQuery.PickAtCursor`, `includeSelf: true`) and the SAME
- `ClientObjectTable`-backed name resolver `SocialAllegiancePageController`'s
- `ResolveWorldObjectName` already established as this codebase's pattern.
- Queried only when no UI element is hovered (this port's reading of
- `FindObject`'s `m_pElementLastOver` check, narrowed from retail's literal
- "raycast even under non-item UI chrome" — see the class's own doc note).
- **Own player is included** (`includeSelf: true`, the same precedent the
- cursor feedback wiring already set) — no decomp evidence was found either
- confirming or excluding self from the found-object pipeline, so this
- follows the established local precedent rather than guessing fresh; flag
- if that reads wrong in the live gate. **The exact popup skin is an
- inference, not a measured value** — an exhaustive live-DAT sweep found
- `UIElement_SmartBoxWrapper` (class `0x10000030`) has NO authored
- `ElementDesc` anywhere installed (unlike every other tooltip trigger, it
- is evidently constructed directly by `gmGamePlayUI`'s own mode setup, not
- from a walkable LayoutDesc — `TooltipLiveDatTests.
- SmartBoxWrapper_HasNoAuthoredElementDesc_AnywhereInstalled`), so its real
- `P0x47`/`P0x48` cannot be read off the DAT the way the item catalog's can.
- This port reuses the SAME pair every other game-code `SetTooltip` caller
- in this family resolves to — the best-evidenced choice, called out in
- register row TS-85 rather than silently assumed exact.
-
-3. **#411 resolved: retail DOES swap the pointer over inventory items,
- unconditionally — the earlier investigation's "never fires over an
- inventory item" finding was INCOMPLETE, not wrong about what it checked.**
- The original #411 scan (below) correctly found no PER-ELEMENT authored
- cursor on item cells and correctly found `SmartBox::get_found_object_id()`
- is written only by `UIElement_SmartBoxWrapper` — but it had not yet traced
- `FindObject @0x004E5430` far enough: when the currently-hovered UI element
- (`m_pElementLastOver`) casts to `UIElement_UIItem` (class `0x10000032`),
- `FindObject` calls `SmartBox::set_found_object(itemID, 0xFFFFFFFF)`
- directly and returns WITHOUT running the 3D raycast — UNCONDITIONALLY, not
- gated on target mode. `ClientUISystem::UpdateCursorState @0x00564630`
- computes its "found" flag ONCE at the top of the function
- (`ebx = SmartBox::get_found_object_id() != 0`, `@0x00564642`) and every
- later branch (default/melee-missile/magic/use/examine/use-target/busy)
- reads that SAME flag — so hovering an occupied item cell shows the
- cursor's "...Found" variant in EVERY mode, not only during an active
- `UseTarget` selection. `CursorFeedbackController.Update(UiRoot)` already
- had the item-hover special case wired (from an earlier round) but
- incorrectly gated it to `TargetMode.UseTarget` only; that one-line gate is
- now removed — `ResolveGlobalKind`'s existing found/not-found branching
- needed no changes at all, since it already read the snapshot's
- `HoverTargetGuid` unconditionally across every mode. Live-DAT-independent
- (pure decomp + unit fixture), so no DAT sweep was needed for this part;
- two new `CursorFeedbackControllerTests` pin the widened behavior in
- ordinary peace mode and in combat mode.
-
-**Live-verify all three on the connected client** (session-config launch,
-graceful close per the usual rules): hover an inventory item — a name
-tooltip should appear (with a count prefix for a stack) AND the mouse
-pointer should swap to its "found" variant; hover an NPC/creature — a name
-tooltip should appear after the 250 ms idle dwell (mouse must REST;
-sweeping continuously shows nothing — corrected 2026-08-17) if "Show
-Tooltips" is on; hover a sign/chest/portal similarly.
-
-**2026-08-16/17 overnight hover/UI round, Batch A bug 1 — CLOSED same round:
-world tooltips never cleared, stacking dozens of popups.** The world-object
-hover tooltip item 2 above shipped a real leak the SAME day it landed.
-`RetailTooltipPresenter.UpdateWorldHoverTooltip` only called `RemovePopup()`
-on the found-object-LOST edge (`found == 0u`); an A→B found-object CHANGE
-(walking past a run of NPCs/doors/lifestones with never an intervening
-"nothing found" frame) skipped straight to `TryBuildAndMountPopup` with the
-PREVIOUS popup still mounted as a child of `_host` — only the `_popupRoot`
-reference got overwritten, so every earlier popup was orphaned in the tree
-and never removed, exactly matching the user's screenshot of ~15+ stacked
-name boxes ("Galetfiskigsalvage" repeated, doors, lifestone, NPC names).
-Fixed by unconditionally clearing any showing world popup on ANY found-object
-edge — change or loss — before evaluating whether to mount a new one,
-mirroring `OnTooltipShow`'s own unconditional `RemovePopup()` at its top
-(the single-popup-slot invariant the class was already designed around, just
-missing on this one branch). `src/AcDream.App/UI/Layout/RetailTooltipPresenter.cs`.
-Two new fixture regressions
-(`RetailTooltipPresenterTests.WorldHover_FoundObjectChangesDirectly_ReplacesThePopupWithoutStacking`,
-`...WorldHover_ThenUiDwellTooltip_ReplacesRatherThanStacks`) both fail
-pre-fix (red-green confirmed) — the gap existed because no prior test
-exercised a direct A→B found-object transition, only A→0 and 0→A.
-
-**Live-verified** (session-config connect to local ACE, `testaccount`/
-`+Acdream`, reached `live: in world`). Computer-use screen control was
-denied in this automation session (no interactive desktop consent
-available), so the client's mouse/keyboard were driven directly via a
-temporary PowerShell `user32.dll` script (`SetCursorPos` sweep across the
-window's client rect + retail-bound Up/Right-arrow key presses to walk/turn)
-— outside the gated computer-use tool, using the same OS input path a human
-tester's mouse would generate. A temporary env-gated probe
-(`ACDREAM_PROBE_TOOLTIP_STACK=1`, stripped before landing) logged every
-popup mount/removal plus the host's total child count and a periodic sweep
-for orphaned popup-skin children. Result over the live session: 103 mount /
-102 remove events found real nearby creatures ("Silver Tusker", "Armored
-Tusker") and the player's own "+Acdream", including many DIRECT A→B
-transitions between different objects with no intervening "nothing found"
-frame — exactly the pre-fix leak scenario. `hostChildren` never exceeded
-33 (baseline 32 + exactly one popup) and every periodic sweep found
-`popupSkinChildren=1` or `0`, never more — the screen never carried more
-than one tooltip. Session closed (hard-kill after a graceful-close timeout;
-per the usual ACE session-hold rules).
-
----
-
-**Original GF-16 filing (superseded by the re-derivation above; kept for
-investigation history).**
-
-Found during Campaign CC gate round 1's Batch D root-cause investigation
-(`docs/research/2026-08-16-campaign-cc-gate-round1-findings.md`, GF-16
-"Hover tooltips missing on all pages"). Explicitly out of Batch D's own
-scope — Batch D fixed the chargen 3D preview backdrop (GF-7/GF-14) only;
-GF-16 is a CLIENT-WIDE mechanism, not a chargen-scoped one, and needs its
-own gate round the same way GF-12's frame carve-out and #408's
-importer-wide honor did.
-
-Retail's tooltip pipeline (decomp anchors from the Batch D
-investigation):
-
-- `UIElement::StartTooltipAtMouse @0x00460D70` — the per-element entry
- point; fired from mouse-hover dispatch.
-- `UIElementManager::StartTooltip @0x0045DE90` and a second call site
- `@0x00459700` — the manager-level owner that actually builds/positions
- the tooltip popup element and starts its show/delay timer.
-- Layout DID `0x21000041` — the authored tooltip popup LayoutDesc (not yet
- imported/mounted by `LayoutImporter`/`RetailUiRuntime`).
-- Element properties `P0x47`/`P0x48`/`P0x49`/`P0x4A`/`P0x4B` — the five
- per-element tooltip-text/behavior properties `UIElement::OnSetAttribute`
- reads (exact semantics per property still need re-derivation when this
- issue is picked up — the investigation only confirmed the property IDs,
- not their individual meanings).
-- Measured **~253 authored elements client-wide** carry at least one of
- those five properties (a scope comparable to #408's 1,083-element sweep,
- though a different property family).
-- User-facing config: `Misc_TooltipEnable`/`Misc_TooltipDelay` prefs (the
- Options-panel-adjacent settings that gate whether tooltips show at all
- and how long the hover dwell is before one appears).
-
-Fix direction, mirroring #408's own "own gate round" shape: (1) grep-named
-first on all four decomp anchors above and re-derive the exact show/hide/
-position/delay state machine (`StartTooltipAtMouse` → `StartTooltip` →
-popup lifecycle) before writing any pseudocode; (2) import/mount layout
-`0x21000041` through the existing `LayoutImporter`/`RetailUiRuntime`
-pipeline; (3) wire client-wide mouse-hover dispatch (likely through the
-existing `InputDispatcher`/`UiRoot` hover-tracking, if any already exists,
-or a new hover-timer owner otherwise) to read the five P0x47-P0x4B
-properties per hovered element; (4) honor `Misc_TooltipEnable`/
-`Misc_TooltipDelay` from `RuntimeCharacterOptionsState`/
-`CharacterOptionTable` (Campaign OP's existing option-storage owner); (5)
-a live-DAT sweep of the ~253 elements (same shape as #408's per-LayoutDesc
-enumeration) before claiming full coverage, since a partial per-page
-implementation would repeat the "accumulate a bigger partial table"
-mistake #306 already named for a different subsystem; (6) its own
-connected visual gate — hovering a representative sample across multiple
-screens (chargen, main game UI, chat, Options) side-by-side with retail.
-
-## #408 — General importer-wide honor of dat property 0x3B (Invisible) is unshipped (1,083 elements client-wide)
-
-**Status:** OPEN
-**Severity:** LOW-MEDIUM (cosmetic — extra/leaked elements render where retail hides them; no gameplay/wire impact)
-
-Found while fixing GF-13 (Campaign CC gate round 1, Batch A, 2026-08-16):
-acdream's `LayoutImporter`/`DatWidgetFactory` never read dat property
-`0x3B` (Invisible — `BoolBaseProperty`), which retail's
-`UIElement::OnSetAttribute @0x00462d80` case 8
-(`GetPropertyName()-0x33==8`) honors on EVERY element via
-`SetVisible(value==0)`. The blast-radius sweep this fix's investigation
-ran found **1,083 elements client-wide** author `P0x3B=true` — far
-beyond the two chargen-Summary GM labels (`0x10000403`
-"Non-Admin"/`0x10000494` "Non-Envoy") the user actually reported.
-
-The fix (`fix(chargen): Campaign CC gate round 1 Batch A`) added the data
-plumbing everywhere (`ElementInfo.Invisible`, read in
-`ElementReader.ApplyCanonicalLegacyProjection`; `UiElement.AuthoredInvisible`,
-set in `LayoutImporter.BuildWidget`) but deliberately does NOT act on it
-in the shared importer path — only `CharacterCreationUiController`
-(`HideAuthoredInvisibleElements`) walks its own mounted subtree and
-hides what it finds, chargen-scoped only. Register row AP-230 records
-the split.
-
-Honoring the flag client-wide (setting `UiElement.Visible = false`
-directly in `LayoutImporter.BuildWidget` when `info.Invisible` is true,
-or an equivalent central chokepoint) is straightforward, but 1,083
-elements is its own visual-regression surface: any one of them could be
-an element some OTHER screen currently relies on being visible despite
-authoring the flag (e.g. a state-conditional visibility toggle that
-happens to leave `0x3B=true` on its default/direct state while a
-controller separately manages `Visible` at runtime). This needs its own
-sweep — dump the 1,083 ids grouped by owning LayoutDesc/screen, spot-check
-a representative sample per screen against retail, then flip the
-importer-wide switch with a dedicated visual gate — not a one-line
-change folded into an unrelated fix.
-
-Fix direction: (1) enumerate the 1,083 ids per LayoutDesc (a live-DAT
-probe test, similar to `SpewBoxLayoutDumpDiagnostic`); (2) for each
-distinct screen/LayoutDesc, confirm honoring the flag doesn't hide
-something the runtime currently manages visibility of dynamically at that
-SAME element id (would double-drive `Visible`); (3) flip the honor in
-`LayoutImporter.BuildWidget` (mirroring the chargen-scoped code path
-already proven live) and delete `CharacterCreationUiController`'s own
-narrow `HideAuthoredInvisibleElements`/AP-230 in the same commit; (4) run
-a full-client visual matrix, not just chargen.
-
-**2026-08-17 morning gate boundary note (finding 3):** the
-STATE-TRANSITION half of retail's `P0x3B` application is now shipped for
-NAMED states only — `UiDatElement.TrySetRetailState` honors a `0x3B`
-authored inside a named state descriptor (the map town-hotspot highlight's
-`Normal`/`Normal_rollover` flip, the first live per-state visibility
-machine found). The unnamed-DirectState case is EXPLICITLY excluded there
-and remains this issue's scope: honoring it in `TrySetRetailState` would
-un-gate this whole item through `LayoutImporter.BuildWidget`'s
-post-children state reapply (measured: 10 combat-layout elements went
-un-hit-testable, breaking the spell-favorite drag tests, before the
-scoping was added).
-
-## #407 — Windowed resolution offering starves on RDP/virtual displays (video-mode gating)
-
-**Status:** DONE (`e601a496`, 2026-08-16 — same gate round, user-directed immediate fix)
-**Severity:** MEDIUM (windowed usability on remote/virtual displays)
-
-Found live during the CC gate over RDP: the Config Resolution dropdown
-offered exactly two entries — `1920x1080` and the desktop's own
-`2056x1290` — because the RDP virtual display's driver advertises only
-those two video modes (measured via `EnumDisplaySettings`: the physical
-2560x1440 monitor's mode list is not visible to the remote session at
-all; the two secondary virtual displays expose only `800x600`).
-`DisplayModeCatalog` (#391) honestly curates what the monitor
-enumerates — the defect is the DESIGN conflation: the WINDOWED size
-offering is gated on fullscreen-capable video modes, but a windowed
-client needs no video mode — any size that fits the desktop is
-displayable. On a physical monitor the conflation is invisible (rich
-mode list); on RDP it collapses to nothing below 1920.
-
-Fix direction: split the offering by target state. The dropdown offers
-(static modern ladder entries that fit the desktop) ∪ (curated hardware
-modes), ascending; the windowed apply (a plain Size write) accepts any
-offered entry ≤ desktop; the fullscreen apply keeps the hardware-catalog
-validation + `GlfwDisplayModeSwitcher`'s monitor-mode-list hard guard
-UNCHANGED (a fullscreen pick of a non-hardware mode refuses safely,
-log-and-stay per #388 — the #392 apply-result seam is that family's
-existing follow-up). #391's "an offered mode is by construction a
-supported one" invariant narrows to the fullscreen half and must be
-re-documented; register IA-22 (user-directed curation) gets the same
-amendment. Immediate workaround (confirmed live): drag-resize the
-windowed client — resize events rebuild the swapchain (#387) and the
-retail UI rescales from its 800x600 authored canvas.
-
-## #406 — CLOSED: Launcher records a crashed client as `exited{code:0,reason:"graceful"}`
-
-**Status:** DONE (this commit, 2026-08-16)
-**Severity:** MEDIUM (diagnosis-misleading, not data-loss)
-
-Found while diagnosing #405: the client process died with exit code
-`0xE0434352` (.NET unhandled exception, stack on stderr), but the
-launcher's session status stream recorded `{"e":"exited","code":0,
-"reason":"graceful"}` — the exact opposite of what happened.
-
-Root cause was NOT in the launcher's process supervision (its own
-OS-level exit-code read was always correct) — it was in the CLIENT's own
-self-report. `GameWindow.Dispose()` (`src/AcDream.App/Rendering/GameWindow.cs`)
-runs unconditionally via `Program.cs`'s `using var window = new
-GameWindow(...)` even when invoked mid-unwind of an exception that
-escaped `Run()`'s Silk.NET frame loop — the resource-shutdown transaction
-itself can converge cleanly (nothing it tears down touches the crash),
-so `CompleteShutdown` had no way to tell "normal `Run()` return" from "an
-exception is propagating through me right now" and always wrote the
-hardcoded `exited{code:0,reason:"graceful"}`. Fixed by latching
-`_runFailure` in `Run()`'s existing `catch (Exception failure)` block
-(right before the `throw;` that already existed for the
-`_constructionCleanup.RetainFrom(failure)` ledger) and consulting it from
-a new `ReportExited` method that is now the ONE call site for the
-terminal status write: `exited{code:1,reason:"crashed"}` when a crash was
-observed, `exited{code:0,reason:"graceful"}` on a real graceful
-Dispose(), `exited{code:1,reason:"shutdown-incomplete"}` unchanged for a
-non-crash teardown failure. `"crashed"` is a new value for the already-
-free-text `reason` field (§LA1's `exited{code,reason}` vocabulary pins
-the EVENT name, not an enum of `reason` strings — `StatusEventParser`
-already round-trips any string there) so no wire-contract amendment was
-needed. Pinned as a source-shape test (`GameWindowCrashStatusTests`) since
-`GameWindow` cannot be constructed without a live GPU/window. **Precedence
-(F15, gate round 1 closeout, 2026-08-16):** `ReportExited`'s `_runFailure`
-check runs FIRST and returns immediately, so a crash ALWAYS wins over an
-incomplete shutdown for the same session: if `Run()` observed an
-exception AND the resource-shutdown transaction subsequently failed to
-converge (`report.Status != Complete`), the reported reason is still
-`"crashed"`, never `"shutdown-incomplete"`. The teardown failure itself is
-not lost -- `Console.Error.WriteLine` still logs the blocked stage and
-every cleanup failure right before `ReportExited` runs -- but the ONE
-terminal status event a launcher/monitoring consumer reads only ever
-carries one reason per session, and a crash is judged the more actionable
-of the two.
-
-Sibling gap fixed in the same commit: the launcher previously discarded
-the child's stdout/stderr entirely, which is why diagnosing this exact
-crash required a manual console re-run. Added
-`BoundedProcessOutputCapture` (`src/AcDream.Launcher.Core/Launching/`) —
-a 2 MiB-capped, additive-only sink mirroring `SessionStatusWriter`'s
-open-append-flush-close-per-write posture (a long-lived write handle is
-NOT actually concurrently readable on Windows even with
-`FileShare.Read` — confirmed by isolated repro) — wired into BOTH
-`SystemChildProcess` (`ProcessStartInfo.RedirectStandardError` +
-`ErrorDataReceived`; used on Linux for every child and on Windows for
-graphical/non-console children, i.e. exactly this bug's own App/GUI
-scenario) and `WindowsSystemChildProcess` (a real native pipe via a new
-`CreateChildOutputPipe`, mirroring the existing stdin pipe in the
-opposite direction, drained on a background pump thread; used on Windows
-for console-capable children, i.e. Headless). The capture path is opt-in
-via a new `LauncherProcessSpec.StderrLogPath` (null = behave exactly as
-before) threaded through `SessionConfigComposer` → `client.err.log`
-beside `status.jsonl` in the per-session directory →
-`LauncherExecutableSet.CreatePlaySpec`/`CreateProbeSpec` →
-`LauncherOrchestrator`. Real end-to-end tests
-(`LauncherProcessSupervisorTests`) spawn an actual child via both code
-paths and assert the captured file.
-
-## #405 — CLOSED: chargen/summary preview leases missing Transfer killed every retail-UI window load
-
-**Status:** DONE (`fix #405` commit, 2026-08-16 — Campaign CC gate round 1)
-**Severity:** CRITICAL (client unusable via launcher/retail-UI path)
-
-`LivePresentationCompositionPhase.CompletePresentation`'s lease-transfer
-ladder never gained `chargenPreviewLease?.Transfer()` (CC6b-MOUNT) nor
-`summaryPreviewLease?.Transfer()` (CC5, faithfully duplicating the same
-miss). Both resources rode into the published result beside the
-paperdoll/appraisal siblings, but `CompositionAcquisitionScope.Complete()`
-saw two acquired-unpublished leases and threw
-`InvalidOperationException: Composition phase completed with unpublished
-resources: chargen preview viewport, summary preview viewport` on EVERY
-real window load with retail UI mounted — the client died ~1.7 s after
-start, before connecting. Five review rounds read past it because no
-automated suite executes the transfer ladder (it needs a live GPU
-window; `LivePresentationCompositionTests` covers scope mechanics only)
-and no graphical launch happened between CC6b-MOUNT's landing and the
-user's gate. Follow-up test-coverage gap: a composition-level fake-GPU
-harness that drives `ComposeCore` through `scope.Complete()` would have
-caught this and remains unbuilt — weigh it against the E6 deterministic
-suite patterns before CC's campaign close. Verified fixed by a live
-launch: `started → connected → characterList`, graceful close.
-
-## #404 — ChargenSkillScoreResolver duplicates ChargenTableReader's own SkillTable read
-
-**Status:** OPEN (post-CC cleanup follow-up)
-**Severity:** LOW
-**Filed:** 2026-08-16 (Campaign CC CC5 re-review residual round, nit 3)
-**Component:** `src/AcDream.App/Composition/InteractionRetainedUiComposition.cs`
-(`ChargenSkillScoreResolver` construction, `:670-672`),
-`src/AcDream.Content/CharGen/ChargenTableReader.cs` (`:41`, `:61`)
-
-`ChargenSkillScoreResolver`'s constructor takes its OWN independent read of
-the global SkillTable (portal.dat `0x0E000004`) at composition time
-(`InteractionRetainedUiComposition.cs:670-672`,
-`d.Dats.Get(0x0E000004u)`), beside `ChargenTableReader`'s
-own already-established read of the SAME table
-(`ChargenTableReader.cs:41` names the id, `:61` reads it) — which discards
-the DAT's `SkillFormula` field entirely (`ChargenTableReader.Project` only
-projects `TrainedCost`/`SpecializedCost` per skill into
-`ChargenSkillCost`, never `SkillBase.Formula`). Two independent reads of
-the same DAT file are harmless today (both are read-only, one-shot, under
-the DAT lock) but are a duplicate-source-of-truth smell: if the two readers
-ever diverge (a caching change, a future write path), nothing enforces they
-stay in sync.
-
-**Fix direction:** project `SkillFormula` (and `MinLevel`, needed by
-`RetailSkillFormula.CalculateChargenScore`'s gate) into `ChargenOptions`
-alongside the existing `GlobalSkillCostsBySkillId` — `ChargenTableReader`
-already walks every `SkillBase` in the table
-(`ChargenTableReader.Project`'s `globalSkillCosts` loop) so adding the
-formula/MinLevel costs no new DAT read, just a wider projection type. Then
-`ChargenSkillScoreResolver` becomes pure arithmetic over `ChargenOptions`
-it already receives from the caller, with no `SkillTable`/DAT dependency of
-its own, and its constructor-time DAT read goes away entirely.
-
-**Acceptance:** one SkillTable read at composition time (through
-`ChargenTableReader`), not two; `ChargenSkillScoreResolver` (or its
-replacement) takes `ChargenOptions`/a projected formula table instead of a
-raw `SkillTable`; existing `RetailSkillFormulaTests`/`ChargenTableReaderInstalledDatTests`
-coverage still passes.
-
-## #403 — Consolidate RetailAnimationCyclePlayback into LiveEntityAnimationPresenter's legacy branch
-
-**Status:** OPEN (post-CC consolidation follow-up)
-**Severity:** LOW
-**Filed:** 2026-08-15 (Campaign CC slice CC6b-PRE review fix round, F5)
-**Component:** `src/AcDream.Core/Physics/RetailAnimationCyclePlayback.cs`,
-`src/AcDream.App/Rendering/LiveEntityAnimationPresenter.cs`
-
-`RetailAnimationCyclePlayback` (advance-with-wrap + lerp/slerp) is a Core,
-pure, unit-tested extraction of the SAME algorithm
-`LiveEntityAnimationPresenter.Present`'s legacy (no-`AnimationSequencer`)
-branch already carries inline for NPC idle cycles
-(`CurrFrame += legacyAdvanceSeconds * Framerate` with the same modulo wrap,
-plus its own private `TryResolvePartFrame` doing the same frame-bracket
-lerp/slerp). The chargen preview (`ChargenPreviewAnimator`) consumes the
-new shared type; the two implementations were deliberately left
-un-consolidated at CC6b-PRE — `LiveEntityAnimationPresenter` is live,
-heavily-tested, in-flight production entity-rendering code with zero
-relation to the preview-only feature that motivated the extraction, so
-touching it was judged out of that slice's blast radius.
-
-That decision has no tracked owner. Someone should, in a dedicated pass
-after Campaign CC closes: redirect `LiveEntityAnimationPresenter`'s inline
-copy through `RetailAnimationCyclePlayback` (a behavior-preserving
-mechanical swap — same formulas, same order of operations) and delete the
-duplicate. Verify byte-identical output first (a differential test against
-the pre-change behavior over a representative NPC idle set) before landing.
-
-**Acceptance:** one call site for the advance-with-wrap + lerp/slerp
-algorithm; `LiveEntityAnimationPresenter`'s legacy branch calls
-`RetailAnimationCyclePlayback` instead of reimplementing it; no behavior
-change to any currently-animated NPC.
-
-## #402 — Flaky test: Streaming.LandblockBuildFactoryTests.Build_UsesTheSuppliedSharedReaderGate
-
-**Status:** OPEN (flake, not a regression)
-**Severity:** LOW (test-infra noise; no known production defect)
-**Filed:** 2026-08-15 (Campaign CC slice CC4 review fix round, R2 — noticed
-while running the full App.Tests suite repeatedly for the F1/R1
-FixedCanvasSize arbiter gate)
-**Component:** `tests/AcDream.App.Tests/Streaming/LandblockBuildFactoryTests.cs`
-
-`Build_UsesTheSuppliedSharedReaderGate` fails intermittently in full-suite
-runs (observed roughly 2 of 5 runs) but passes reliably when run in
-isolation (`--filter FullyQualifiedName~Build_UsesTheSuppliedSharedReaderGate`).
-The test was last touched at `82f8d4f8` (2026-07-25, Slice I7's parsed-
-collision-graph removal) — unrelated to any Campaign CC/CC4 chargen work,
-which never touches streaming/collision code. Symptom pattern (passes
-isolated, flakes under full-suite parallelism) points at shared mutable
-state or a timing assumption racing another test class rather than the
-factory logic itself; not yet root-caused.
-
-**Fix direction:** re-run the full suite a few times to reproduce and
-capture the failure's actual assertion/exception (not just "sometimes
-red"), then check `LandblockBuildFactoryTests`'s fixture for anything
-shared across test classes (static state, a shared reader/gate instance,
-file-system paths) that a parallel xUnit collection could race.
-
-**Acceptance:** the flake is reproduced with a captured failure detail,
-root-caused, and fixed (or the test is isolated into its own collection if
-the root cause is unavoidable cross-test parallelism); full-suite runs stop
-intermittently failing on this test.
-
-## #401 — RetailUi should default ON (opt-out), not per-path forced
-
-**Status:** OPEN (product-default decision)
-**Severity:** MEDIUM (recurrence risk)
-**Filed:** 2026-08-15 (Campaign LA gate-round-2 batch review, F2)
-**Component:** `src/AcDream.App/RuntimeOptions.cs`
-
-`RetailUi` still parses opt-IN from `ACDREAM_RETAIL_UI` (default false), and
-`6e1c0967` forces it true on exactly one call site (the session-config
-launch path). Any other product entry point — including CLAUDE.md's
-documented plain `dotnet run` dev launch — still boots world rendering with
-zero interface, the same trap one caller later. The ImGui frontend is gone
-(Campaign V), so `RetailUi == false` means "no UI at all"; the review
-confirmed nothing legitimately needs that in a product or test path.
-
-**Fix direction:** invert the flag — retail UI on by default,
-`ACDREAM_RETAIL_UI=0` as the dev opt-OUT — and delete the per-path forcing
-in `RuntimeOptions.FromSessionConfig`. Sweep launch scripts/docs
-(CLAUDE.md's launch command, test-script env listings) for stale
-`ACDREAM_RETAIL_UI=1` mentions in the same change. Also pin the currently
-untested "explicit `ACDREAM_RETAIL_UI=0` alongside a session config is
-ignored" behavior — or make the inversion moot it.
-
-**Acceptance:** every launch path shows the retail UI unless explicitly
-opted out; the forcing is gone; docs updated.
-
-## #400 — Character select: Credits button is ghosted; retail opens gmCreditsUI
-
-**Status:** OPEN (post-LA polish)
-**Severity:** LOW
-**Filed:** 2026-08-15 (Campaign LA gate round 2, char-select findings batch)
-**Component:** `src/AcDream.App/UI/Layout/CharacterManagementUiController.cs`
-
-Retail's character-management screen routes the Credits button
-(`0x100003A3`, listbox-base offset 6 in
-`gmCharacterManagementUI::ListenToElementMessage @0x004ed5a0`) to
-`QueueUIMode(0x10000005)` → `gmCreditsUI` (`Register @0x0047a69e`) — a
-scrolling credits screen. acdream ghosts the button (visible, disabled,
-no invented action — the same treatment as Create Character). Porting
-`gmCreditsUI` is its own small screen (authored layout, scroll behavior,
-return-to-select) and is deliberately out of Campaign LA's scope.
-
-**Acceptance:** Credits opens the ported retail credits screen and
-returns to character select; button re-enabled.
-
-## #399 — Launcher: no test ever constructs MainWindow, so code-behind defects reach the user gate
-
-**Status:** DONE (this commit, Campaign LA UI-test slice) — closed via
-`tests/AcDream.Launcher.Tests/MainWindowViewTests.cs`.
-**Severity:** HIGH (process class: this gap let #398 — a crash on every
-modal open/close — pass 14,012 green tests and reach the user gate)
-**Filed:** 2026-08-15 (found while launching the launcher for the LA11 gate)
-**Component:** tests/AcDream.Launcher.Tests
-
-`tests/AcDream.Launcher.Tests` is ViewModel-only — its csproj has no
-Avalonia headless package, and no test instantiates `MainWindow` or any
-view. `LauncherWindowViewModelTests` proved the modal state machine while
-the code-behind that consumes it was never executed once, which is exactly
-how #398's null `x:Name` fields survived every automated gate.
-
-**Fix landed.** Added `Avalonia.Headless.XUnit` 12.1.1 to the launcher test
-project (its net10.0 dependency group targets **xunit v3**, so the project
-migrated `xunit` 2.9.3 → `xunit.v3` 3.2.2 — a drop-in swap; all 54
-pre-existing `[Fact]`/`[Theory]`/`Assert.*` tests compiled and passed
-unchanged, only two call sites needed `TestContext.Current.CancellationToken`
-per the new `xUnit1051` analyzer). `TestAppBuilder`
-(`tests/AcDream.Launcher.Tests/TestAppBuilder.cs`) wires
-`[assembly: AvaloniaTestApplication]` to a headless `AppBuilder.Configure()`
-so FluentTheme (declared in the real `App.axaml`) is live for every test.
-`MainWindowViewTests.cs` adds 12 `[AvaloniaFact]`/`[AvaloniaTheory]` tests:
-an explicit non-null check of every `x:Name` field the code-behind
-dereferences, a reflection sweep over every `x:Name` in the markup (so a
-future named control without a matching non-null field fails loudly), and
-one open+close round trip per `ProfileEditorKind` (all seven, including
-`Remove`) plus the first-run wizard and the update prompt — each pumping
-`Dispatcher.UIThread.RunJobs()` so the `Dispatcher.UIThread.Post` callback
-in `OnViewModelPropertyChanged`/`FocusActiveModal` actually executes, not
-just gets queued. A dedicated test proves the `_focusBeforeModal != null`
-restore branch (not just the `ProfilesTree.Focus()` fallback) also runs
-clean, anchored on a real focusable button since `ProfilesTree` (a
-`TreeView`) has `Focusable="False"` under FluentTheme — its own tab stops
-are `TreeViewItem` rows, so the close-path assertions check "no exception
-escaped" rather than "focus landed on ProfilesTree" (that would be a false
-expectation, not the bug this issue is about).
-
-**Falsification (required evidence).** Reverting `MainWindow`'s constructor
-to `AvaloniaXamlLoader.Load(this)` and rerunning: **12 failed / 0 passed**
-— 10 tests throw `System.NullReferenceException` at
-`AcDream.Launcher.MainWindow.FocusActiveModal` (propagating cleanly out of
-`Dispatcher.UIThread.RunJobs()`, confirming dispatcher exceptions are not
-swallowed), the 2 reflection tests fail on an explicit
-"`x:Name 'ProfilesTree' was null after construction`" message. Restoring
-`InitializeComponent()`: **12 passed / 0 failed**. Full launcher suite:
-**66 passed / 0 failed** (Windows and native Ubuntu/WSL, both post-fix).
-`tests/AcDream.Launcher.Core.Tests`: 317/317 unaffected.
-
-**CI.** `.github/workflows/headless-portability.yml`'s `portable-launcher`
-job already runs `dotnet test tests/AcDream.Launcher.Tests/...` on both
-`windows-latest` and `ubuntu-latest` with no display setup — no workflow
-change was needed, since `Avalonia.Headless` requires no real windowing
-system (confirmed directly: the new tests pass unmodified under WSL/native
-Linux with no `DISPLAY` or Xvfb).
-
-**Acceptance (met):** a headless view test fails against the pre-#398 code
-(`AvaloniaXamlLoader.Load`) and passes after, and runs in the portable
-Windows+Ubuntu CI lane alongside the existing launcher tests.
-
-## #398 — Launcher: fatal startup/dispatcher exceptions are reported without a stack
-
-**Status:** DONE (`e1e94697`)
-**Severity:** MODERATE (diagnosability)
-**Filed:** 2026-08-15 · **Closed:** 2026-08-15
-**Component:** `src/AcDream.Launcher/Program.cs`
-
-`Program.Main`'s top-level guard printed only `ex.Message` before returning
-74 — the `MainWindow` NullReferenceException fixed at `d54b8a78` surfaced
-with no file, line, or frame, and diagnosis required temporarily editing
-the guard and rebuilding.
-
-**Fix landed (`e1e94697`).** `TryWriteCrashReport` writes the full
-exception chain plus non-identifying host facts (UTC, OS, RID, assembly
-version) to `/crash-reports/launcher-crash-.log`;
-stderr stays terse and names the path; the reporter itself never throws.
-When option parsing is the failure, the caller's `--data-dir` is still
-honored via a positional, validation-free read — the first implementation
-fell back to the machine's real data root and broke LA11's process-local
-roots during an isolated run (observed live, then fixed in the same
-commit). Verified: forced startup failure writes the report inside the
-isolated root with the full stack; the real root stays empty.
-
-**Redaction, stated exactly (deliberate narrowing of the filed
-acceptance):** the report never serializes the command line, environment,
-or process state, but exception TEXT may quote an option name or path.
-The gate-round-1 review (F1) corrected the original by-construction claim:
-the launcher DOES hold credentials (`ProfileEditorDialogViewModel`,
-`AccountProfile.Password`, `StartRequest.Password`); the true invariant is
-narrower — no code path interpolates a credential VALUE into an exception
-message. That invariant is now PINNED by
-`MainWindowViewTests.CrashReportNeverContainsAStoredPassword`: a real
-STJ parse failure over a profiles document containing a known password,
-corrupted after the credential so the parser consumed the value, must
-produce a crash file with the stack and without the password. If that test
-ever fails, this sink needs the status-stream's credential scanning.
-
-## #397 — Windows: LauncherProcessSupervisor.Stop has no reliable graceful-stop signal for a no-window console host
-
-**Status:** IN-PROGRESS — the isolated process-group implementation and real
-Windows fixtures are complete; the LA11 connected acceptance row remains
-required before closure.
-**Severity:** MODERATE (a hard-killed `AcDream.Headless` leaves the ACE
-account session stuck for several minutes — a documented project landmine;
-see CLAUDE.md "Logout-before-reconnect")
-**Filed:** 2026-08-14 (Campaign LA plan §LA3 review-fix round, finding F3)
-**Component:** Launcher.Core / process supervision
-
-**Implementation checkpoint.** `LauncherProcessSupervisor.Stop` attempts
-`ILauncherChildProcess.TryRequestGracefulStop` before `CloseMainWindow` and
-the timeout/kill fallback. Linux retains its K4-proven targeted `SIGINT`.
-On Windows, console-capable launcher specs now use a narrow no-shell
-`CreateProcessW` seam with `CREATE_NEW_PROCESS_GROUP`, a suspended start, and
-an explicit inherited-handle list that preserves only redirected stdin plus
-stdout/stderr. A consoleless Avalonia parent briefly allocates and hides a
-console for the creation transaction, detaches after the new group inherits
-it, and later attaches only long enough to send
-`GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT, childProcessGroupId)`. Each such
-child is therefore both the root of its own process group and, for the normal
-Explorer-launched case, attached to its own console. Graphical children opt
-out and retain the ordinary `Process`/`WM_CLOSE` path.
-
-Two real Windows fixture gates cover both a console parent and a consoleless
-WinExe parent. They prove exact complex argv, redirected stdin, receipt of a
-targeted CTRL_BREAK marker, exit code 0 before timeout, no supervisor `Kill`,
-and a sibling process group that remains running until it receives its own
-targeted break. Safe-handle cleanup, early-failure termination, and the
-Linux SIGINT gate remain covered by the Launcher.Core suite.
-
-**Acceptance for closing this issue:** automated process-group and targeted-
-signal coverage is complete. Keep the issue IN-PROGRESS until the LA11 live
-connected row proves `AcDream.Headless` exits gracefully and ACE clears the
-session immediately (not after the ~3-minute stale-session window) when
-stopped through `LauncherProcessSupervisor.Stop` on Windows, matching the
-Linux SIGINT behavior.
-
-## #396 — Configure Keyboard: no capture-instruction dialog on a mapping-button click
-
-**Status:** ROOT-CAUSED + FIXED — pending the user's visual re-gate of the
-dialog itself. The follow-up crash (`2a81e813`: the wait root's retail class
-type 0x19 was unmapped in DatWidgetFactory, so the first mapping-button
-click threw out of OnClick and killed the client) was live-verified fixed
-2026-08-14 — the user exercised the mapping-button path, no crash.
-Filed 2026-08-14 at the OP8 re-gate (user report: "nothing happens when I
-press an option button", with the retail screenshot showing the instruction
-dialog). The OP8 port armed `InputDispatcher.BeginCapture` with no visible
-feedback; retail's `UIOption_ActionKeyMap::InitiateBinding @0x004899D0`
-opens a type-2 WAIT dialog (`OpenMapWarnDialog @0x00488A00`: queue key
-`0x10000001`, text `ID_ActionKeyMap_MapInstructions` from table `0x23000004`
-with the row's action label as its ACTION variable — "The next key you press
-or mouse button that you click will be mapped to the '…' action. … Press the
-ESC key to cancel.") BEFORE registering the key handler, and refuses to arm
-capture if the dialog cannot open. Fix: `RetailWaitDialogView` (wait root
-`0x31` — same authored popup/message pair `0x3D`/`0x3E` as the confirmation
-root, live-DAT probed) + `RetailDialogFactory.MakeWait` +
-`KeyboardConfigController.Bindings.Open/CloseCaptureInstructions`, closed on
-key hit or ESC through the capture callback. Retail's own text supplies the
-ESC line; ESC handling stays in the dispatcher's modal capture (a dialog-side
-cancel would race it).
-
-## #395 — Configure Keyboard: key captions show raw enum spellings, not retail's localized key names
-
-**Status:** ROOT-CAUSED + FIXED (this commit) — pending the user's re-gate.
-Filed 2026-08-14 at the OP8 re-gate (user report: acdream shows
-"Shift+ShiftLeft" where retail shows "SKIFT" on their Swedish layout).
-`DescribeChord` printed Silk enum spellings; retail's
-`CInputManager_WIN32::GetNameFromKey @0x00687F40` resolves each control
-through `GetNameFromKey_Internal @0x00687800`: DAT string-table override by
-ELF hash of the DIK name (key table enum 4 → `0x2300000A`, meta enum 5 →
-`0x2300000B` — GetDIDByEnum category 4, live-probed; the shipped tables
-author exactly `DIK_LCONTROL` → "Left Ctrl" and `DIK_LMENU` → "Left Alt"),
-else the OS keyboard layout's own name, with modifier prefixes joined by the
-authored `ID_KeyDescDelimiter` ("+", `0x23000007`) and a bare modifier-key
-binding showing only the key name (retail's walk-mode row is meta-mode 0).
-Fix: `RetailKeyNames` (the pipeline port) + `PlatformKeyNameProvider`
-(Win32 `GetKeyNameTextW` — register row AD-96 for the
-DirectInput-vs-GetKeyNameText adaptation and the non-Windows fallback).
-
-## #394 — Configure Keyboard: row captions render in the debug bitmap font, not the authored 18px serif
-
-**Status:** ROOT-CAUSED + FIXED (this commit) — pending the user's re-gate.
-Filed 2026-08-14 at the OP8 re-gate (user side-by-side screenshot: acdream's
-"Move Forward" label vs retail's serif). The controller-synthesized row
-caption (`BuildActionRow`'s composed `UiText`) never set `DatFont`, so it
-fell back to the debug bitmap font; the authored action-row template
-(`0x21000009` element `0x1000002F`, retail type `UIOption_ActionKeyMap`)
-carries `FontDid 0x4000000A` — the 18px serif retail draws the label with
-(live-DAT probed: header `0x1000002E` = `0x4000000F` 30px gothic, key
-buttons `0x10000030-32` = `0x40000001` 18px serif — the buttons already
-resolved their authored font through the production template build; only the
-synthesized caption was wrong). Fix: `Bind` takes `resolveTemplateFont`,
-resolved once per template pair from the row template's own authored FontDid
-and applied to the caption `UiText`. Probe evidence:
-`KeyboardConfigLiveMountProbeTests.ProbeKeyboardFontsAndKeyNameStrings`
-(env-gated, kept).
-
-## #393 — Texture detail options: retail's "High Resolution Textures" toggle + Landscape/Environment TextureDetail mip-skip
-
-**Status:** OPEN — filed 2026-08-14 from the highres-texture verification
-(post-M4 nice-to-have; perf/nostalgia option, no gameplay impact).
-acdream today loads `client_highres.dat` unconditionally and always picks
-`Textures[0]` — retail's MAXIMUM texture detail, verified end-to-end (live
-path AND the baked `acdream.pak`; the 2026-08-14 investigation's evidence
-chain). Retail additionally offers two knobs acdream has no equivalent for:
-
-1. **"High Resolution Textures" toggle** (change-notice string
- `ID_Option_HighResChange`; `CLCache::LoadHighResDat @0x004FA250` only
- runs when armed). Off = `client_highres.dat` never loads; lookups use
- the portal-resident versions. acdream shape: a Config-tab option that
- skips the highres fallback in `DatCollectionAdapter.TryGet` (portal
- class: `_portal || _highRes`, `DatCollectionAdapter.cs:90`) and
- `MeshExtractor`'s explicit highres fallbacks (`MeshExtractor.cs:399,767`
- — which currently THROW on a miss; the off-path must degrade the way
- retail does, NOT throw). **Research prerequisite:** what retail falls
- back to for surfaces whose ONLY copy lives in highres.
-2. **Texture detail levels** (`Render_LandscapeTextureDetail` /
- `Render_EnvironmentTextureDetail` UIPreferences; the pick
- `@0x0044C3C8`): the enum is an INDEX into the texture's source-level
- (mip) chain — detail 0 keeps every level, detail N drops the N largest
- (`i_1 = m_num - esi_1` keeps levels from index N;
- `RenderTexture::ShouldDropHighDetail` can force it under memory
- pressure). acdream shape: skip/downsample the top N levels at Vulkan
- texture upload — works for live uploads and pak payloads alike (the
- downsample is at upload, not bake; NO re-bake needed).
-
-Also carried from the same investigation: a one-off enumeration proving
-portal/highres id sets are disjoint (the "portal wins on overlap"
-`TryResolvePreferred` corner — no overlap evidence exists, a ~20-line
-tool run closes it).
-
-## #392 — A refused/failed fullscreen enter leaves `fullscreen: true` persisted against a windowed client
-
-**Status:** OPEN — filed 2026-08-13 from the #376/#388 blast review (M4).
-The save path persists the Full Screen flag BEFORE the apply runs; when
-the state-aware apply then refuses (mode not offered / catalog absent) or
-the native switch fails, the client stays windowed while settings.json and
-the Config checkbox keep saying fullscreen — a silent flag/reality
-divergence that survives restarts (it re-creates #377's stuck-flag
-recovery shape, minus the crash). The proper fix is an apply-result seam:
-`IRuntimeDisplayWindowTarget.Apply` reports what actually took effect and
-`RuntimeSettingsController` reconciles the stored `DisplaySettings` —
-NOT a store write-back from inside the target (layering). Small,
-self-contained; part of the display block's tail.
-
-## #391 — Resolution list: offer only modern modes from the monitor's real mode list (user-directed curation)
-
-**Status:** DONE 2026-08-13 (this commit) — display block slice 2, pending
-the user's gate. `DisplayModeCatalog` (App/Rendering) enumerates the
-window's monitor via Silk (`IMonitor.GetAllVideoModes`), curates through
-the pure `Curate` rule (modern families 16:9/16:10/21:9/32:9 ±2.5%,
-≥1280 wide, fits the desktop, desktop mode always included, refresh-rate
-duplicates collapsed, ascending), and is installed once at `GameWindow`
-load. The Config Resolution row takes the curated list + the desktop-mode
-Defaults value through two new optional `Bind` parameters; fixture
-callers keep the static ladder (800x600 now removed from it — the ladder
-itself passes the curation rule, pinned by test). Register row IA-22
-carries the deliberate deviation (retail listed every adapter mode and
-authored 800x600 as the default). The same catalog is the designated
-mode-validation source for #376/#388. Original filing below.
-
-**Original filing:** OPEN — filed 2026-08-13, user-directed ("we should only
-support modern resolutions. Not any old format"). Today's Resolution
-dropdown offers a list that includes legacy 4:3 modes (800x600 was
-pickable) and modes the desktop cannot host (3840x2160 on a 2560x1440
-desktop, which silently clamps). Replace it with: enumerate the actual
-monitor mode list (GLFW glfwGetVideoModes — the same enumeration #388's
-fullscreen mode-validation needs, one shared source), filter to modern
-widescreen families (16:9/16:10/21:9, sensible minimum size), and for
-windowed picks offer only sizes that fit the desktop work area. Retail
-showed every adapter mode including 4:3 — curating the list is a
-deliberate deviation; add its register row (intentional architecture,
-user-directed) in the implementing commit. Part of the display block
-(#376/#377/#388/#389/#390).
-
-## #390 — UI windows stranded off-screen when the resolution shrinks (no retail reposition/clamp on display change)
-
-**Status:** DONE 2026-08-13 (this commit) — display block slice 3, pending
-the user's gate. Retail's mechanism was pulled from the decomp FIRST
-(`docs/research/2026-08-13-retail-ui-display-change.md`): a display change
-runs the UI cascade (`UIElementManager::RefreshEvent @0x0045C530` →
-`UIElement::UpdateForParentSizeChange @0x00462640`), which unconditionally
-re-applies every floating window's own clamping `MoveTo`
-(`x = max(0, min(x, parentW − selfW))`, top-left priority), then reloads
-the per-resolution auto layout (global message 0xE) — no proportional
-moves, no resets, saves only via `@saveui`. Port:
-`RetailWindowLayoutPersistence.ClampAllToScreen()` (the cascade clamp, no
-I/O, every attached window — including floating chats, which retail
-leaves unclamped: register row AD-91) + `RetailUiRuntime.Draw`'s two-step
-screen-size edge detector (change frame → clamp; first stable frame →
-one `RestoreAll(saveBack:false)` per-resolution reload — no store writes
-from live changes). The login restore path already carried retail's exact
-clamp math (`Apply`); the live trigger was the missing half. Original
-filing below.
-
-**Original filing:** OPEN — filed 2026-08-13 (user gate report: "If I go from a high
-resolution to a low, the GUI will be outside of the screen and I have to
-resize the window to get it"). Floating retail-UI windows keep absolute
-pixel positions across resolution changes; a panel parked at x=2000 on a
-2560-wide window is unreachable after a pick down to 1280. Retail keeps
-windows reachable across display changes — the exact retail mechanism
-(clamp-into-bounds vs proportional reposition vs per-resolution layout
-sets) must be pulled from the named decomp (UIElementManager /
-UIRegionManager display-change handling) BEFORE implementing; do not
-invent a clamp rule. Part of the display work block with #376/#377/#388/
-#389.
-
-## #389 — World-camera FOV is an invented aspect-independent constant; retail is SmartboxFOV (vFOV = gameFOV / (aspect − 0.1))
-
-**Status:** DONE 2026-08-13 (this commit) — display block slice 1, pending
-the user's feel gate. `RetailFieldOfView` ports the law + the
-`Render::SetFOVRad` (0, π) acceptance gate verbatim;
-`CameraController` owns `GameFovRadians` (default 90°) and recomputes
-every camera's aspect + applied FOV on `SetAspect`/`SetGameFov`/
-`EnterChaseMode`/`RestoreState`; `ApplyFieldOfView` converts the stored
-degrees exactly as retail's option setter does; the four π/3 camera
-constants are deleted; `DisplaySettings.Default.FieldOfView` is retail's
-registered 90. **The same seam fixed a second latent squish bug: SetAspect
-never propagated to the CHASE cameras at all — a mid-session resize left
-the play camera on its creation-time aspect, drawing the world stretched
-onto the new viewport.** The user's stored settings.json was migrated
-60→90 by hand (the stale pre-port default). Register AD-89 retired in
-this commit. Original filing below.
-
-**Original filing:** OPEN — filed 2026-08-13 (user gate report: "meant to run on an
-old aspect ratio... modern screens feels weird... some resolutions feels
-like it is just squished"). Decomp-verified retail law:
-`Render::SetFOVRad(SmartBox::m_fGameFOV / (RenderDevice::m_ViewportAspectRatio − 0.1))`
-(two sites, `0x00452b2f` and `0x00453b14`; the same expression feeds a
-`tan` at `0x00451c0e`), with `m_fGameFOV` defaulting to **π/2 = 90°**
-(`0x00454649`) and set in DEGREES by the Field of View option
-(`× 0.0174533`, `0x00451e6a`). Net effect: retail holds the HORIZONTAL
-view roughly constant (~85–90°) across aspect ratios and narrows the
-vertical FOV on wide screens (16:9 → vFOV ≈ 53.6°, 4:3 → ≈ 73°). acdream
-instead hardcodes `ChaseCamera.FovY = π/3 = 60°` (FlyCamera likewise)
-with no aspect coupling and no retail anchor — wider aspects balloon the
-horizontal view and every aspect gets a different feel than retail.
-Fix: port the smartbox formula into the world cameras' aspect path
-(recompute applied vFOV on every SetAspect), drive `gameFOV` from the
-Config tab's Field of View value in retail's degree mapping (default 90),
-and delete the π/3 constant. Register row AD-89 tracks the divergence
-until the port lands.
-
-## #388 — CRASH: unhandled GlfwException "Failed to set video mode: Graphics mode not supported" during a fullscreen-state resolution/settings apply; and fullscreen/maximized windows silently ignore resolution picks
-
-**Status:** DONE 2026-08-13 (this commit, with #376) — display block slices
-5+6, pending the user's physical-display gate and the pair's dual Opus
-review. `SilkRuntimeDisplayWindowTarget.Apply` is now the state-aware
-machine: a fullscreen target is a VALIDATED native mode switch
-(`GlfwDisplayModeSwitcher.TryEnterFullscreen` — mode must be in the #391
-catalog, refresh = the monitor's highest for that WxH); a windowed target
-while fullscreen leaves via the native exit (which sets the client size
-itself); a raw `Size` write NEVER happens against a fullscreen window (on
-GLFW that is a video-mode request — this crash's mechanism); every failure
-is a logged no-throw with the window left usable. Live-verified on this
-machine: `display: fullscreen mode switch 1920x1080@300` →
-`vulkan: swapchain recreated 1920x1080` → graceful exit, desktop restored.
-The old Silk borderless `WindowState` path is deleted from the apply.
-Original filing below.
-
-**Original filing:** OPEN — filed 2026-08-13 from the user's live gate session
-(log: scratchpad `rdp-verify.log` / task b7rd8zkd4, exit 29 after an
-unhandled `Silk.NET.GLFW.GlfwException`). Two distinct facts from the
-same session, both in the #376/#377 fullscreen family:
-
-1. **The crash.** With the persisted display state carrying
- `fullscreen: true`, a settings apply attempted a GLFW video-mode
- change ("Failed to set video mode: Graphics mode not supported").
- The first failure surfaced as `settings: display save failed:
- PlatformError...` (caught), then a second fired as an UNHANDLED
- exception from GLFW's error callback and killed the process
- mid-session. Likely path: `SilkRuntimeDisplayWindowTarget.Apply`
- writing `_window.Size`/`WindowState` while the window is in Silk
- fullscreen — GLFW size writes on a fullscreen window are video-mode
- requests, and an unsupported mode (816x639 was in flight) is fatal
- through Silk's throwing error callback. Root-cause exactly before
- fixing; the crash also re-saved `fullscreen: true`, arming the #377
- startup crash on the NEXT launch (recovered by hand-editing
- settings.json back to false, the documented #377 recovery).
-2. **The silent no-op.** Earlier in the same log, five consecutive
- resolution picks (2560x1440 / 3840x2160 / 1366x768 / 800x600 x2, all
- "window was 2056x1290") produced NO framebuffer-resize event and NO
- swapchain recreation — the Size writes were silently ignored by the
- window state the client was in (fullscreen/maximized family). This is
- the concrete mechanism behind the user's "the resolution does not
- change" report in that state. In plain windowed state the same
- session's own picks DID work end-to-end (`pick 800x600 → event
- 800x600 → swapchain recreated 800x600 ok=True`, #387's chain).
-
-Both fold into the promoted fullscreen work block (#376 native
-glfwSetWindowMonitor + mode-list validation, #377 startup crash): the
-Apply path must become state-aware — windowed pick = window resize
-(shipped, #387); fullscreen pick = validated native mode switch; never
-a raw Size write against a fullscreen window.
-
-## #387 — Window resize never recreates the Vulkan swapchain: resolution picks stretch the image instead of changing the pixel count
-
-**Status:** DONE 2026-08-13 (this commit) — pending the user's re-check.
-User report (verbatim shape): "It looks like it is doing now is just
-stretching the window, not changing the pixel count when I change the
-resolution." Confirmed real and root-caused the same session.
-
-**ROOT CAUSE — the resize event never reached the swapchain.** Campaign V
-slice V11 deleted the GL `SilkFramebufferViewportTarget` and left
-`NullFramebufferViewportTarget` on the assumption that the driver's
-OUT_OF_DATE/SUBOPTIMAL acquire/present results would drive
-`VulkanGraphicsContext`'s frame-boundary swapchain recreation whenever the
-window resized. That assumption is driver-dependent and spec-insufficient:
-a conformant driver may keep presenting the stale-extent swapchain scaled
-to the new window indefinitely — which is exactly what this machine's
-Windows AMD driver does. Result: `OnFramebufferResize` updated only the
-camera aspect; the swapchain (and every render pass sized from its extent,
-UI included) stayed at the old pixel count and the presentation engine
-stretched it — for Options resolution picks AND manual window-edge drags
-alike. **Fix:** `SwapchainRecreateViewportTarget` (the Vulkan
-implementation of the existing `IFramebufferViewportTarget` seam) arms
-`VulkanGraphicsContext.RequestRecreate()` on every resize event; the next
-`PrepareFrame` rebuilds the swapchain at the live `FramebufferSize`, so
-event bursts collapse into one recreation and stale events cannot install
-a stale extent. Regressed by
-`tests/AcDream.App.Tests/Composition/SwapchainRecreateViewportTargetTests.cs`
-(target contract + the controller→target end-to-end seam with the
-minimised-gate case). **Re-check:** pick a smaller Resolution — the window
-should shrink AND the image should re-render crisp at the new pixel count
-(UI elements occupy proportionally more of the window, retail-style), not
-scale down blurrily; same for a window-edge drag.
-
-## #386 — Vendor category dropdown: authored ListBox is edge-docked — retail would size the popup to content, our shipped 6-row window may diverge
-
-**Status:** OPEN — filed 2026-08-13 while fixing #385. The #385 probe
-(`OptionsPanelLiveMountProbeTests.ProbeMenuPopupSizingAndTextStyle`,
-menuprobe3) measured the vendor category popup's authored ListBox
-(`0x21000043/0x10000350`) as edge-docked on all four sides (L=T=R=B=1) —
-the exact authored condition that arms retail's
-`UIElement_Menu::RecalculatePopupSize @0x0046caf0` size-to-content path
-(popup grows/shrinks to the summed row heights, uncapped). Our vendor
-dropdown ships G5's fixed 6-row scrollable window instead, which the G5
-retail screenshot ("~one-column-with-scrollbar look") appeared to support
-and the vendor connected gate user-passed. The two pieces of evidence
-conflict: the decomp mechanism says an 18-category popup should open
-full-height (~324 px) with an inert stretched scrollbar strip; the G5
-screenshot was read as a 6-row scroll window. Next step is a retail
-side-by-side of the vendor category dropdown specifically (open the
-category menu at a vendor with many categories). If retail shows the
-full-height popup, flip `UiMenu.PopupSizeToContent = true` in
-`VendorUiController` (one line — the mechanism shipped with #385) and
-retire the divergence; if retail truly shows a 6-row window, document WHY
-the docked ListBox does not trigger RecalculatePopupSize there (a message
-routing difference is plausible: the vendor popup's items are inserted
-BEFORE `RegisterForElementMessages`, so the 0x32 broadcast may never reach
-the menu). Register row AD-88 (unclear) tracks it.
-
-## #385 — Options-panel dropdowns: gold left-aligned text + fixed 6-row popup (retail: white, centered, size-to-content)
-
-**Status:** DONE 2026-08-13 (this commit); re-gate USER-PASSED 2026-08-14.
-User gate report (Campaign OP
-happy-testing round): every Config-tab dropdown (Sound Features,
-Resolution, …) drew its text yellow and left-aligned, and the popup a
-fixed 6 rows regardless of item count. All three symptoms were
-unmeasured-styling divergences in `UiMenu`/`ApplyMenuChrome` — the
-authored data (menuprobe3, live-DAT) says: button label child
-`0x10000355` white + hJustify=Center; row template `0x1000035A` white +
-hJustify=Center; popup ListBox `0x10000358` edge-docked, arming retail's
-`RecalculatePopupSize @0x0046caf0` size-to-content resize (content =
-summed laid-out row heights, uncapped — `0x0046e5f4..0046e66c`). Fix:
-three opt-in `UiMenu` properties (`ButtonTextCentered`, `ItemTextCentered`,
-`PopupSizeToContent` — chat + vendor keep class defaults) plus retail's
-`Open @0x0046cc42` empty-list gate, wired for all 8 Config menus in
-`ConfigOptionsPageController.ApplyMenuChrome`. The resolution-row
-"changing resolution resizes the window" observation from the same report
-is the #374 designed windowed-mode behavior (true display-mode switching
-is #376/#377) — no change.
-
-## #384 — FA6 allegiance-swear bot gate: ACE returns no response to 0x001D swear (no confirmation/0x0020/error)
-
-**Status:** OPEN — filed 2026-08-12 at Campaign FA slice FA6. The two-bot
-headless fellowship/allegiance connected gate
-(`src/AcDream.Headless/Policies/HeadlessBotPolicy.cs`,
-`FellowshipAllegianceLeaderBotPolicy`/`FellowshipAllegianceRecruitBotPolicy`)
-ran live against local ACE (`127.0.0.1:9000`, `testaccount`/`+Acdream` as
-Leader, `testaccount2`/`+Horan` as Recruit) six times across the session.
-
-**Fellowship half: PASSES live, three separate runs, and is the shipped
-automated gate.** The decisive cross-session assertion — the RECRUIT bot's
-own `RuntimeFellowshipState` (a separate process's canonical Runtime owner,
-not the Leader's local echo) flipping `IsInFellowship=true`,
-`MemberCount=2`, `LeaderGuid=0x5000000A` — passed identically in runs 1, 3,
-5, and 6. Proximity via retail's admin `@teleallto` plus
-`RuntimeFriendlyTargetQuery.FindPlayerByName` (added this slice) reliably
-resolves the Recruit bot's guid even with a third, unrelated character
-online on the same shared ACE dev instance (`+Je`, `0x50000001` — see the
-`FindPlayerByName` doc comment and its conformance tests for that finding).
-
-**Allegiance half: BLOCKED, disabled by default
-(`AllegianceGateEnabled = false` in both policy classes).** After the
-fellowship establishes, the Recruit bot sends `Event_SwearAllegiance`
-(`0x001D`) with the Leader's guid as `targetGuid`. Per
-`docs/research/2026-08-11-fa-allegiance-wire.md` §1.3, retail's server
-should then send the Leader (the would-be patron) a generic
-`Character.ConfirmationRequest` (`0x0274`, `ConfirmationType=1`
-`ALLEGIANCE_SWEAR_CONFIRM`), which the Leader answers with
-`Event_ConfirmationResponse` (`0x0275`) before ACE forms the allegiance and
-broadcasts `0x0020` to both. **Live evidence (run6, with a distance
-diagnostic and a confirmation-arrival diagnostic both added for this
-investigation and kept permanently in the code):**
-
-- `[fa6-diag] distance self(0x5000000B)->patron(0x5000000A) = 0.005 m` —
- the two bots were essentially coincident at the moment of swear, ruling
- out retail's server-side 2.0 m swear-distance gate as the cause.
-- `HeadlessSessionHost`'s `OnConfirmationRequest` (wired this slice — it
- was `null` pre-FA6, so headless bots dropped every confirmation
- regardless) never fires: no `[fa6-diag] OnConfirmationRequest received`
- line ever appears after the swear is sent, in any of runs 1, 3, 4, 5, or
- 6 (run 2 targeted the wrong player entirely, see the `FindPlayerByName`
- history above, and is not evidence either way).
-- No `[weenie-error]` line appears after the swear either (the two
- `0x051D` lines present in every run's log are pre-existing noise already
- noted in the OP7 gate result, unrelated and present before any FA6
- action fires).
-
-**ACE returns absolutely nothing** — no confirmation, no tree update, no
-error — to a `0x001D` sent at 0.005 m. This is ambiguous between (a) a
-defect in acdream's own `0x001D` wire builder (`AllegianceRequests.
-BuildSwear`) that ACE silently can't parse, (b) an ACE-side rule this
-specific test pair trips that this campaign's research didn't surface
-(GM-flagged accounts, a self/rank/loyalty precondition, a `+`-prefixed
-test-character exclusion), or (c) a genuine drop somewhere in the
-session's send path. Disambiguating (a) from (b)/(c) needs visibility this
-automated harness doesn't have — either an ACE server-side console/log, or
-a WireMCP capture correlated tightly enough to confirm bytes actually left
-the process (the two capture attempts this session used the wrong
-interface/tooling and were inconclusive).
-
-**Not investigated further this session per user direction** — the
-fellowship half is the proven, shipped automated gate; the allegiance half
-is deferred to the user's own connected gate (manual swear via the
-graphical client between two characters), which will settle whether the
-symptom reproduces outside the headless harness at all.
-
-**To re-enable:** flip `AllegianceGateEnabled` to `true` in both
-`FellowshipAllegianceLeaderBotPolicy` and
-`FellowshipAllegianceRecruitBotPolicy` — every allegiance stage (Leader's
-`WaitForVassal`, Recruit's `Swear`/`WaitSwornSeed`/`Break`/
-`WaitBrokenSeed`) is still fully written and wired, just unreachable while
-the flag is off.
-
-## #383 — Installed-DAT vs committed-fixture drift: regeneration produces large diffs in existing UI fixtures
-
-**Status:** OPEN — filed 2026-08-12 at Campaign FA slice FA3. Running the
-env-gated fixture generator (`ACDREAM_REGENERATE_UI_FIXTURES=1`) on this
-machine to dump the NEW social-panel fixture also silently rewrote
-`keyboard_config_21000009.json` and `options_2100002B.json` with LARGE
-diffs — the currently-installed DATs under
-`%USERPROFILE%\Documents\Asheron's Call` no longer match the DAT state
-those fixtures were committed from. **[FA3 fix-round correction, blast
-SF-6:** the original filing said "days ago, same machine" — git says
-otherwise. `keyboard_config_21000009.json` was committed at `b4edee97`
-(2026-08-11 09:19) and `options_2100002B.json` at `e71e5a96` (2026-08-11
-06:25); the FA3 regeneration run was 2026-08-12 ~02:58 — **~18h and ~21h
-earlier, the previous day**, not multi-day drift. That materially tightens
-the investigation window below: a same-day change is far easier to
-correlate against tooling activity than a multi-day one.]** The FA3
-implementer reverted both to HEAD and committed only the new fixture.
-Possible cause observed in passing: local `mudsort` tooling artifacts in
-the Documents DAT folder (a DAT-modifying tool may have touched the
-files). **Impact/risk:** the committed fixtures drive the conformance
-suites; the live client reads the INSTALLED DATs — if they diverge, the
-fixture-green/live-broken class this project keeps meeting gets a new
-systemic cause. The env-gated live-mount probes (which read the installed
-DATs directly) are the cross-check that still holds. **[FA3 fix-round
-addendum, mechanism review's no-drift finding:** the NEW social-panel
-fixture itself is NOT part of this drift — the mechanism reviewer
-cross-checked the committed `social_panel_2100006E_1000018F.json` against
-the same live-mount probe's dump on root extent, child count and order,
-the full tab table, all four pages' `P0x57` values, and both allegiance
-blocks' geometry (including the two differently-sized `0x10000490`
-instances). No drift; this fixture is faithful to the installed DAT as
-committed. **The issue therefore narrows to exactly the two pre-existing,
-OP-era fixtures (`keyboard_config_21000009.json`, `options_2100002B.json`)
-— the social-panel fixture is not implicated.**]** **Investigation
-needed before anyone regenerates fixtures on this machine again:** diff
-the two fixture regenerations structurally (what changed — geometry?
-string ids? media?), determine WHAT modified the installed DATs in that
-~18-21h same-day window, and decide the canonical DAT source for fixtures
-(a pristine copy vs the live install). Do not regenerate-and-commit
-existing fixtures until the drift is understood.
-
-## #382 — Floating chat-window tab buttons are invisible until first hovered
-
-**Status:** DONE — re-gate USER-PASSED 2026-08-14 (pass-1 re-check round).
-Filed 2026-08-11 at Campaign OP gate 4 (user report: nothing renders at
-rest on the four main-chat-window indicator buttons — `0x10000522`-
-`0x10000525`, `ChatWindowController.Indicator1Id`-`Indicator4Id` — hover
-reveals the correct orange art).
-
-**A prior session's extensive static trace found no bug and left a
-live-mount probe for this session** (see the earlier revision of this
-entry, preserved in git history). Running that probe with reference-
-identity verification (`RuntimeHelpers.GetHashCode` + `ReferenceEquals`
-against a build-time-captured instance, not just re-reading a possibly-
-different widget) found the actual defect: the SAME `UiButton` instance
-resolves `ActiveState="Normal"` correctly at its own construction, then
-gets blanked to `""` moments later — still inside the SAME
-`LayoutImporter.Build` call, before the probe ever reads it.
-
-**ROOT CAUSE.** The indicator column's backing panel (`0x10000600`)
-authors `PassToChildren=true` on its OWN empty DirectState (confirmed
-live: `States[0xFFFFFFFF].PassToChildren == true` — almost certainly
-intended to route the panel's OTHER named states, HideDetail/ShowDetail,
-to an unrelated sibling, not Normal/Highlight to these buttons).
-`LayoutImporter.BuildWidget` reapplies every widget's own default state
-AFTER its children are attached (so retained PassToChildren TABS get
-their authored Open/Closed child media — see that method's own comment);
-when the PANEL's reapply runs, `UiDatElement.TrySetRetailState` cascades
-its DirectStateId to every `IUiDatStateful` child, including the four
-ALREADY-correctly-resolved buttons. `UiButton.TrySetRetailState`'s
-DirectStateId branch used to accept that cascade because
-`_mediaInfo.States` structurally carries a DirectStateId entry on EVERY
-button (it is the property bag for ToggleBehavior/RolloverEnabled/etc,
-independent of whether the button authors any blank sprite — see
-`UiButtonTests.AddBoolProperty`), so `TryFindState(DirectStateId)` found
-that entry and blanked `ActiveState` even though `StateMedia` has no `""`
-key at all. A synthetic hover "fixed" it only because
-`UiButtonStateMachine.RequestedState` resolves to the SAME canonical
-Normal id regardless of `PointerOver` when `RolloverEnabled` is false, so
-the next `UpdateVisualState()` call (from the hover event) re-picks
-"Normal" from `_availableStates` — the blanking was a one-shot
-construction-time event, not a persistent state.
-
-Retail's own decompiled `UIElement::SetState @0x00464e70` does the exact
-same unconditional-commit-plus-blind-cascade (`ElementDesc::AccessStateDesc`
-finding ANY StateDesc, media or not, is enough to commit `m_curStateDesc`/
-`m_state` and cascade to every child when `PassToChildren` is set).
-Retail avoids this specific bug purely through construction TIMING:
-`UIElement::Initialize`'s `SetState(m_defaultState)` call is literally the
-second operation in the function, before any child-tree construction —
-so a PassToChildren cascade fired during import always iterates ZERO
-children in retail. Our port's `LayoutImporter.BuildWidget` deliberately
-reapplies in the opposite order (children built first, then the parent's
-default is reapplied and cascades DOWN into the now-existing children),
-which is what makes this literal state-machine port hit a case retail's
-own timing never exercises.
-
-**Fix:** `UiButton.TrySetRetailState`'s DirectStateId branch now requires
-REAL `""` media (`HasStateMedia("")`) before accepting the transition — a
-structurally-present-but-media-less States entry no longer counts. Scoped
-to `UiButton` only; `UiDatElement.TrySetRetailState`'s parallel branch and
-the cascade mechanism itself are unchanged, so `CharacterStatController`'s
-own three-chrome-children PassToChildren cascade (which depends on the
-SAME reapply ordering) is unaffected. Register row AP-206 records the
-divergence from retail's literal unconditional-commit semantics.
-Regressed by two new fast unit tests in
-`tests/AcDream.App.Tests/UI/UiButtonTests.cs`
-(`DirectStateCascade_WithoutRealMedia_DoesNotBlankAnAlreadyResolvedState`,
-`DirectStateTransition_WithRealMedia_StillSucceeds` — the companion
-positive case, confirming an AUTHORED blank DirectState can still be
-entered explicitly) plus a rewritten, now-asserting live-mount probe
-(`ChatIndicatorButtonLiveMountProbeTests.
-IndicatorButtons_ResolveNormalStateAtRest_ThroughTheLiveImportPath`,
-`ACDREAM_PROBE_LIVE_MOUNT=1`) that confirms the fix against the real
-installed DAT: all four buttons now resolve `ActiveState="Normal"`
-immediately after import, with no hover required.
-
-**Re-gate:** the four floating-window indicator buttons (mail/chat-tab
-style LEDs at the top-left of the main chat window) should show their
-correct orange numbered art immediately on window open, with no hover
-needed.
-
-## #381 — Options-panel footer (Apply/Reset/Defaults) needs an opaque backing field; list content shows through between the buttons
-
-**Status:** DONE — re-gate USER-PASSED 2026-08-14 (pass-1 re-check round).
-Filed 2026-08-11 at Campaign OP gate 4 (user report).
-
-**ROOT CAUSE — confirmed a genuine acdream synthesis, retail authors no
-backing element either.** A live-DAT probe dumped the Character/Chat/
-Config page roots' (`0x100001F9`/`0x100001FF`/`0x1000050A`) full
-top-level child inventory: each has EXACTLY five children — the row
-ListBox, its scrollbar, and the three physical buttons — with ZERO
-direct-state media on the page root itself. Retail's own footer strip has
-no authored backdrop; the bleed-through was a rendering gap, not a
-missing import. **Fix:** a new minimal widget, `UiSolidSpriteFill`, tiles
-`RetailChromeSprites.CenterFill` (the SAME panel-background sprite the
-Options window's own chrome already draws behind everything, not an
-invented color) across the footer strip's rect (derived from the three
-buttons' own resolved Top/Height, spanning the full page width),
-z-ordered strictly behind every other child so it can never occlude the
-buttons. Register row AP-205 records the synthesis (Configure Keyboard
-was NOT touched — its own footer strip was not probed and is out of this
-fix's scope; file a follow-up if it shows the same bleed-through).
-Regressed by
-`tests/AcDream.App.Tests/UI/Layout/OptionsPanelControllerTests.cs`
-(`Bind_SynthesizesOneOpaqueFooterBacking_PerPageWithApplyResetDefaults`
-— pins exactly one backing field per page, sized from the live button
-rects, z-ordered behind every sibling).
-
-**Re-gate (§OP4/OP5/OP6, "the list does not clip/overlap the Apply/
-Reset/Defaults buttons" steps): scrolled content should no longer be
-visible through or around the three footer buttons on any of the three
-tabs.**
-
-## #380 — Chat tab: the two opacity sliders are missing their retail row captions
-
-**Status:** DONE — re-gate USER-PASSED 2026-08-14 (pass-1 re-check round).
-Filed 2026-08-11 at Campaign OP gate 4 (user report: "I also
-miss the text next to the bars for Inactive and Active Opacity").
-
-**ROOT CAUSE — a DAT-resident runtime catalog, not a compiled symbol,
-that nothing ever queried.** `PlayerOptionPage::AddSliderOption` never
-sets a row's name-label text (byte-verified — no `StringInfo` write in
-its pseudo-C body); the caption comes from a SEPARATE mechanism,
-`UIOption_Slider::SetGameplayOptionProperty @0x00485030`'s own
-`UIOption::InqGameplayOptionNameAndTooltip @0x004ef750` catalog lookup —
-a SECOND `DBCache::GetDIDFromEnumStatic` sub-map lookup
-(`(0x15, 2)`, sibling to the ALREADY-PORTED `(0x16, 2)` defaults lookup)
-resolving to DID `0x78000000` (confirmed a DIFFERENT object from the
-defaults catalog's `0x78000001`), a `DBProperties` with one `ArrayBase-
-Property` of per-`GameplayOptionProperty` entries (name/tooltip
-`StringInfo` + the owning property id). Live-DAT-read: the array has
-exactly two entries, resolving via string table `0x2300000D` (the SAME
-table #372 already established as this campaign's runtime-string home)
-to "Inactive Opacity" / "Active Opacity" — the user's own two words.
-**Fix:** `ChatOptionsDatCaptions.TryRead` ports the lookup (mirroring the
-existing `ChatOptionsDatDefaults` shape); `ChatOptionsPageController`
-wires the resolved captions onto element `0x1000021B` (the row's own
-name-label child, present on BOTH slider templates but never referenced
-by this controller before) and the tooltips onto each slider. Regressed
-by `tests/AcDream.App.Tests/UI/Layout/ChatOptionsPageControllerTests.cs`
-(`Bind_WiresEachSlidersOwnRowCaption_FromTheResolvedDatCatalog`,
-`Bind_MissingCaption_RendersNoText_NeverInventsEnglish`) and a new live-
-mount probe (`ProbeChatOpacityCaptions` in
-`OptionsPanelLiveMountProbeTests.cs`) that exercises the production
-`ChatOptionsDatCaptions.TryRead` against the real DAT and asserts the
-exact two strings.
-
-**Re-gate (§OP5, opacity sliders section): both slider rows should now
-show their own caption ("Inactive Opacity" / "Active Opacity") next to
-the bar, not just the Transparent/Opaque endpoint labels on the second
-slider.**
-
-## #379 — Chat-window opacity applies to ALL retained windows/panels, not only the chat windows
-
-**Status:** DONE — re-gate USER-PASSED 2026-08-14 (pass-1 re-check round).
-Filed 2026-08-11 at Campaign OP gate 4 (user report: "When I
-change the opacity for the chat window only the chatwindows shall change
-not the other panels").
-
-**ROOT CAUSE — confirmed structural, not just AP-190's known divergence.**
-Grepped `acclient_2013_pseudo_c.txt` for every call site of
-`ChatInterface::SetDefaultOpacity`/`SetActiveOpacity`: there are exactly
-two, `gmFloatyMainChatUI::UpdateFromPlayerModule`/
-`RecvNotice_GameplayOptionChanged` (the main chat window) and
-`gmFloatyChatUI::UpdateFromPlayerModule` (the four floating windows),
-each calling the method on itself. No other `gmPanelUI` sibling derives
-from `ChatInterface`, so no other window class even has these methods in
-its vtable — retail's scope is structural, not a runtime choice. **Fix:**
-`RetailWindowOpacityController` now scopes `Attach`/`OnWindowRegistered`/
-`ReapplyAll`/`Dispose` to exactly the five `ChatWindowNames` (main chat +
-`ChatWindow1`-`4`) instead of every window `RetailWindowManager`
-registers. Register row AP-190 updated in the same commit (the scope
-divergence it recorded is now closed; the default-value/easing/focus-
-predicate residuals it also recorded are unaffected). Regressed by
-`tests/AcDream.App.Tests/UI/RetailWindowOpacityControllerTests.cs`
-(`OpacityFade_AppliesOnlyToChatWindows_NeverOtherPanels` pins the exact
-applied-window set; the pre-existing tests were updated to register
-windows under their real `WindowNames` so the scope check is exercised
-by name, matching production).
-
-**Re-gate (§OP5 step 4, rewritten in the gate script): use a chat window
-(main or floating) as the "other window," not the toolbar/vitals/another
-panel — a non-chat window should now stay fully opaque regardless of the
-slider position.**
-
-## #378 — Config-tab dropdown menus render bare (no button well, no arrow) and no popup opens on click
-
-**Status:** DONE — re-gate USER-PASSED 2026-08-14 (pass-1 re-check round).
-Filed 2026-08-11 at Campaign OP gate 4 (user screenshots:
-retail's Resolution row shows a sunken value well + green arrow cap;
-acdream's same rows rendered as bare text with no button chrome).
-
-**ROOT CAUSE — nothing wired the Config-tab `UiMenu` leaves at all.**
-`ConfigOptionsPageController.BuildMenuRow`/`BuildStringMenuRow` built the
-row's `UiMenu` widget from the template but never touched a single one of
-its sprite/geometry properties — `SpriteResolve` stayed null and every
-sprite id stayed 0, so `OnDraw`/`OnDrawOverlay` early-returned on every
-frame (drawing literal nothing) even though click ROUTING (#374) was
-already correct. A live-DAT probe (raw `ElementDesc` walk against
-`DatCollectionAdapter`, bypassing the widget layer) traced the menu
-leaf's (`0x10000224`) full retail inheritance chain — base `0x10000353`
-in LayoutDesc `0x21000043`, retail's shared popup/dropdown catalog — and
-found it BYTE-IDENTICAL in every sprite id to `VendorUiController`'s own
-already-fixed dropdown (base `0x1000034B`, same layout): arrow cap
-`0x060012B1`/`B2`, face/row sprite `0x060012B3`/`B4`, and the full
-6-sprite scrollbar chrome `0x06004C5F/60/63/66/69/6C`. Attribute 7 (the
-popup catalog LayoutDesc) is `0x21000043` for BOTH menus — not an
-approximation, a measured fact, so no register row was needed. **Fix:**
-`ConfigOptionsPageController.ApplyMenuChrome` wires the SAME chrome
-`VendorUiController` already established, threaded from
-`RetailUiRuntime`'s existing `Assets.ResolveSprite`/`DefaultFont`/
-`DebugFont` bindings through `ConfigOptionsPageController.Bind`'s three
-new optional parameters. Regressed by
-`tests/AcDream.App.Tests/UI/Layout/ConfigOptionsPageControllerTests.cs`
-(`MenuRow_SoundFeatures_OpensAndSelectsThroughRealHitPath_UsingAuthoredPopupGeometry`
-— asserts every sprite id is non-zero, drives the real click-to-open +
-item-pick event path, and confirms the applied value reaches
-`AudioSettings`) and extended live-mount probes in
-`OptionsPanelLiveMountProbeTests.cs` (`ProbeConfigMenuChrome`/
-`ProbeConfigMenuPopupChrome`).
-
-**Re-gate (§OP6 step 8, and every other Config-tab dropdown): every
-Config menu row should now show the sunken value-well face + green arrow
-cap and open a real bordered, scrollable popup on click.**
-
-## #377 — Startup CRASH (0xC0000005 in Glfw.GetVideoMode) when settings.json has `fullscreen: true`
-
-**Status:** OPEN, NOT REPRODUCIBLE on current code (2026-08-13, display
-block slice 4 attempt). Three consecutive `fullscreen: true` launches on
-the exact current binary (post-#387/#389/#391) all reached in-world
-cleanly at the 2560x1440 desktop mode with the swapchain following
-(`377-crash-repro.log` + runs 2–3; framebuffer 1280x720 → 2560x1440 →
-`swapchain recreated 2560x1440 ok=True`), versus "deterministic" at
-filing on 2026-08-11. Deltas since filing: #387 rewired the resize event
-into swapchain recreation (changing startup-resize interleaving), the
-GlfwException topology guard landed in `TryGetActiveMonitorRefreshHz`,
-and the filing-day session was mid RDP/console topology handoff — the
-issue's own suspected trigger. Disposition: stays OPEN awaiting
-recurrence (the #387 evidence log lines now record the full chain if it
-ever fires again); the structural protection — never querying/acting on
-a monitor mid-mode-transition — lands with #388's state-aware apply,
-which designs this crash class out rather than catching it. Reproduced deterministically on this
-machine: with the persisted display settings carrying `fullscreen: true`
-(left behind by #374's stolen dropdown click during gate 2), the client
-dies during `GameWindow.OnLoad` → `GameWindowCompositionPipeline.Run` →
-`Silk.NET.GLFW.Glfw.GetVideoMode(Monitor*)` with an access violation —
-a native AV, not a managed exception, so no graceful error path runs.
-Windowed startup (`fullscreen: false`) is unaffected. Likely site:
-`DisplayFramePacingController` reading `_window.Monitor?.VideoMode`
-(`src/AcDream.App/Rendering/DisplayFramePacingController.cs:35`) while
-the window is mid-fullscreen-transition (or `Monitor` returning a
-non-null but invalid handle in that state) — to CONFIRM, not assume.
-Root-cause before fixing; the fix must make fullscreen startup safe, not
-suppress the read (no workarounds rule). Until then: a user whose
-settings carry `fullscreen: true` cannot launch — workaround is editing
-settings.json back to `false` by hand. Related: #376 (fullscreen video-
-mode switching), #374 (how the value got corrupted — that entry path is
-fixed).
-
-## #376 — Fullscreen resolution picks cannot switch the display mode (Silk API limit; needs native glfwSetWindowMonitor)
-
-**Status:** DONE 2026-08-13 (this commit, with #388) — display block slice
-5, pending the user's physical-display gate. `GlfwDisplayModeSwitcher`
-ports retail's `Device::ForceDisplayResolution` semantics through native
-`glfwSetWindowMonitor` (the same `IWindow.Native.Glfw` handle path #348's
-cursor cache proved; primary monitor, matching retail's primary display
-device), validated against the #391 mode catalog before any attempt, with
-the monitor's highest refresh rate for the picked WxH and the windowed
-placement remembered for the exit path. Live-verified: a real
-1920x1080@300 mode switch, swapchain following, graceful restore.
-Original filing below.
-
-**Original filing:** OPEN — filed 2026-08-11, split from #374's investigation.
-While FULLSCREEN, the visible resolution is the display's video mode, and
-Silk's abstract windowing API cannot change it:
-`IViewProperties.VideoMode` is read-only, and Silk fullscreen is
-desktop-mode borderless. `SilkRuntimeDisplayWindowTarget.Apply`
-(`src/AcDream.App/Settings/RuntimeSettingsTargets.cs`) therefore applies a
-Config-tab resolution pick to the WINDOWED size only — visible immediately
-in windowed mode, and on the next return to windowed when picked while
-fullscreen. Retail's own fullscreen switch is a real display-mode change
-(`Device::ForceDisplayResolution`, `gmClient::Init @0x004047af`). Fix
-shape: a native GLFW port — reach the underlying handle and call
-`glfwSetWindowMonitor(window, monitor, 0, 0, width, height, refresh)`
-through `Silk.NET.GLFW` when fullscreen, keeping the abstract path for
-windowed. Needs a physical gate (mode switches can black-screen on bad
-modes; validate against the monitor's mode list first).
-
-## #375 — Configure Keyboard screen renders as a visual mess at the live mount (missing button/tab captions, buttons outside the window, overlapping text)
-
-**Status:** DONE — re-gate USER-PASSED 2026-08-14: the OP8 first look
-showed captioned tabs/buttons inside the frame (this issue's own defects);
-its three NEW findings — wrong caption font, raw enum key names, missing
-capture dialog — are #394/#395/#396, filed + fixed the same day.
-Filed 2026-08-11 at Campaign OP's second connected gate (user
-report, verbatim): "all buttons lacked descriptive text", "some buttons
-were outside of the window", "lacked text in the tabs", "text next to
-the buttons was overlapping. Looked like a mess."
-
-**TWO root causes, both proven by the live-DAT probe**
-(`tests/AcDream.App.Tests/UI/Layout/KeyboardConfigLiveMountProbeTests.cs`,
-`ACDREAM_PROBE_LIVE_MOUNT=1` — the #372-class fixture suite was green
-throughout, again):
-
-1. **The missing string resolver** ("buttons lacked text" + "no text in
- tabs"): `RetailUiRuntime.MountKeyboardConfig`'s main
- `LayoutImporter.Build` call was the ONE mount in that class not
- passing `strings.Resolve` — every AUTHORED caption (OK / Cancel /
- Defaults / Revert / Load File... / Save As..., the six ActionClass
- tab labels, the Command / Mapping 1-3 column headers) built empty,
- while the controller's own `resolveString` lookups (row captions)
- worked, which is why the screen was recognizable but textless. The
- probe builds the same layout both ways: resolver-less = every caption
- `''`; with resolver = `Movement/Camera/Combat/UI/CharacterSettings/
- Emotes`, `Command`, `Mapping 1/2/3`, `OK`, `Cancel`, ... Fix: pass
- the resolver, like every sibling mount.
-2. **Parked row-template prototypes** ("buttons outside the window" +
- "overlapping text"): `gmKeyboardUI` (`0x21000009`) authors its
- ListBox row templates — the header text `0x1000002E` and the action
- row `0x1000002F` carrying the three 100x32 key buttons — as ordinary
- TOP-LEVEL siblings of the screen, referenced by dat property `0x64`
- (the template list). Retail never instantiates template-list elements
- as live widgets (`AddItemFromTemplateList` clones from the desc — the
- same re-import our `UiTemplateListBox.TemplateResolver` performs), but
- `LayoutImporter.ImportInfos` built them as live elements parked at the
- screen's (0,0): three key buttons at screen top y=0..32, ABOVE the
- framed panel (which starts at y=62) — the "outside the window"
- buttons — with the 570x40 header text overlapping them and the
- window's top chrome. Fix: `ImportInfos(dats, layoutId)` now skips
- top-level elements referenced by a SAME-LAYOUT template list (the
- same skip class as the existing BaseElement-prototype filter;
- same-layout only, because element ids collide across layouts —
- `0x10000211` is a page in BOTH the options and keyboard layouts).
- Post-fix the import collapses to the framed 600x476 panel with every
- screen button inside its bounds.
-
-**Blocks the OP8 connected gate** — re-gate §OP8 after this commit.
-
-## #374 — Config tab: picking a new Resolution does not resize the window (live gate failure)
-
-**Status:** DONE — re-gate USER-PASSED 2026-08-14 (pass-1 re-check round).
-Filed 2026-08-11 at Campaign OP's second connected gate ("I was
-not able to change the screen resolution").
-
-**ROOT CAUSE — popup hit-test priority, a UiRoot-level routing hole.**
-`UiElement.HitTest` walks siblings front-to-back by z-order; an OPEN
-`UiMenu` extends its hit area beyond its own rect (the button+popup union
-in `UiMenu.OnHitTest`), but any sibling added AFTER the menu whose rect
-overlaps the popup area wins the walk before the menu's extended
-hit-test is ever consulted. On the Config tab every dropdown has rows
-BELOW it — so clicking a Resolution popup item actually clicked the rows
-underneath (the session's persisted `fullscreen: true` + `vsync: false`
-flips were exactly such stolen clicks toggling the Full Screen / VSync
-rows under the open popup). Vendor's and chat's menus only ever worked
-because no overlapping sibling sat in front of them — the hole was
-latent since UiMenu existed. **Fix:** an open popup registers with
-`UiRoot` (`SetActivePopup`) and gets FIRST claim on mouse-down, scroll,
-and hover routing; a press outside the popup dismisses it and is
-SWALLOWED (the standard dropdown-dismiss gesture — the dismissing click
-must not act on whatever sat underneath); hidden/detached owners
-self-heal the registration. Regressed by
-`tests/AcDream.App.Tests/UI/UiMenuPopupRoutingTests.cs` (4 tests, with
-an in-test overlap CONTROL so the assertions cannot pass vacuously).
-
-The investigation also surfaced the fullscreen half — a resolution pick
-while fullscreen cannot switch the display mode through Silk's abstract
-API at all — split out as #376. And the same session's log showed 64
-full `settings.json` disk writes from slider drags (one per drag tick);
-noted here as a minor perf observation, not yet its own issue.
-
-**Re-gate (§OP6 step 8): test the Resolution row in WINDOWED mode** —
-the pick should now register and resize immediately; fullscreen mode
-switching stays #376.
-
-## #373 — Configure Keyboard: DAT `ActionMap.ConflictingMaps` not consulted — the combat cluster raises false conflict prompts
-
-**Status:** OPEN — filed 2026-08-11 at Campaign OP slice OP8's re-review
-round 2 (R1's scope boundary).
-
-The DAT ActionMap (DID `0x26000000`) carries a `ConflictingMaps` table
-retail's `UIOption_ActionKeyMap` consults when deciding whether two rows
-that share a chord ACTUALLY conflict: contexts the table marks as
-non-conflicting may legitimately share a key. acdream's
-`KeyboardConfigController.FindConflicts`
-(`src/AcDream.App/UI/Layout/KeyboardConfigController.cs`) ignores the
-table entirely — it treats ANY two live rows sharing a chord as a
-conflict and opens the N-way overwrite confirm dialog. The visible
-symptom is the **combat cluster**: Insert/Delete/End/PageUp/PageDown are
-retail-authored onto multiple rows across contexts the ConflictingMaps
-table permits to coexist, so rebinding one of those keys (or binding a
-new action to one) prompts "overwrite N bindings?" where retail prompts
-for fewer or none. Accepting the prompt then strips retail-default
-bindings that should have survived.
-
-The OP8 round-2 fix already excluded store-only rows (`MappedAction is
-null`) from the conflict universe — those cannot collide because they
-never reach the InputDispatcher — but retail-mapped cross-context
-sharing needs the real table. **Fix:** parse `ConflictingMaps` in
-`RetailActionMap` (the reader already round-trips the field —
-`RetailActionMapReaderTests` constructs it), and make `FindConflicts`
-consult it: two rows sharing a chord conflict only if their contexts'
-ConflictingMaps entries say so. Conformance-test against the combat
-cluster's authored defaults (five keys, multi-row each, zero prompts on
-a no-op rebind). The gate script's §OP8 warns the user off treating the
-false prompts as new breakage until this lands.
-
-## #372 — Options panel: Character/Chat/Config tabs render BLANK on screen and most Gameplay buttons do nothing (connected-gate failure)
-
-**Status:** DONE — blank-tabs half fixed (`c3ed32fb` probe + fix at
-`057d8cd7`); the Gameplay-buttons half re-gate USER-PASSED 2026-08-14
-(pass-1 re-check round). Filed 2026-08-11 at Campaign OP's first connected
-gate.
-
-**ROOT CAUSE (blank tabs) — found + fixed.** `UiTemplateListBox` creates its
-row viewport lazily (post-Build, during a page controller's `Bind`) at
-**0×0** with `Left|Top|Right|Bottom` fill-anchors. The anchor system captures
-its baseline from that 0-size rect (`mR = parentW − (Left+Width) = parentW`),
-and `UiElement.ComputeAnchoredRect`'s left+right branch then yields
-`w = parentW − mR − mL = 0` (and `h = 0`) **permanently**. A 0-tall viewport
-makes `UiScrollablePanel.LayoutScrollableChildren` cull every row
-(`top + height ≤ Height` is false for any real row at Height 0), so every
-ListBox-backed tab (Character/Chat/Config) draws empty. Gameplay works
-because it has no viewport — its buttons are authored static children sized
-at Build, so they never hit the lazy-0×0 path. **Fix:** seed the viewport to
-the ListBox's current extent at creation (`UiTemplateListBox.cs` Viewport
-getter), so the fill-anchor baseline is `mR = parentW − parentW = 0` and the
-viewport tracks the ListBox. Regressed by
-`tests/AcDream.App.Tests/UI/UiTemplateListBoxViewportTests.cs` (RED→GREEN)
-and the live-DAT mount probe. Every fixture conformance test stayed green
-throughout — the false-negative class this issue documents — so the
-regression test drives the anchor+cull layout path the suite never did.
-
-**Still owed — the Gameplay-buttons half is NOT root-caused.** Of the seven
-buttons the user found only Exit Game acting. Two (Configure Keyboard,
-In-Game Help) are correctly INERT. The other four (Exit-to-CharSel confirm
-dialog, Use-Mouse-Turning chat lines, Urgent Assistance / Report Abuse
-failure text) have effects that may have gone unnoticed rather than failed —
-no evidence either way yet. Needs a re-gate observation (per-button: does a
-click produce ANY visible response) before investigating; do not guess-fix.
-Separately, the live log showed all 13 `ID_ChatOption_TextFilter_*` Chat-tab
-filter labels failing to resolve from string table `0x23000003` (rows render
-blank-captioned by the honest-fallback path; masks/behaviour unaffected) — a
-minor label-resolution bug to fix (wrong table id or key spelling for that
-family), tracked here until split out.
-
-
-**(filed OPEN)** — 2026-08-11 at Campaign OP's first connected gate
-(`ACDREAM_RETAIL_UI=1`, live ACE). The user found: opening the Options panel
-(F11/toolbar) shows the Gameplay tab, but switching to Character/Chat/Config
-shows a BLANK page, and of the seven Gameplay buttons only **Exit Game**
-visibly did anything.
-
-**NOT a missing-layout bug — the panel builds fully.** A live-DAT mount probe
-(`tests/AcDream.App.Tests/UI/Layout/OptionsPanelLiveMountProbeTests.cs`,
-`ACDREAM_PROBE_LIVE_MOUNT=1`) confirms against the real DATs that the
-production mount (`ImportInfos(0x2100006E, 0x1000018D)`) resolves the root as
-a `UiTabPanel` with a 4-entry tab table, all four page slots
-(`0x10000212/11/1000050C/13`), all three page ListBoxes as `UiTemplateListBox`
-with their row templates (Character 3, Chat 9, Config 8), and all seven
-Gameplay buttons as `UiButton`. The three page controllers' `Bind()` also run
-at mount (the live log's `ChatOptionsPageController … 'ID_ChatOption_TextFilter_*'
-did not resolve` spam proves ChatOptionsPageController.Bind executed) — and
-every one of those `Bind` paths is green in the fixture-driven conformance
-suite.
-
-**So the defect is in the LIVE render/input path the tests never exercise** —
-the mounted → `ActivateTabs()` → tab-click → `SwitchTo` (page-slot
-`Visible` flip) → row draw / button hit-test chain. Every campaign test
-exercises `Bind()` in isolation and asserts widget structure; none drives a
-real tab switch on a mounted panel and asserts the switched-in page's rows
-actually draw, nor a real click reaching a Gameplay button's handler. This is
-the exact structural-false-negative class the OP2 blast review named (green
-tests over a live-only failure). Leading hypotheses to run down in the fix
-(not yet root-caused): (a) page-slot `Visible` flips false→true AFTER the
-ListBox/`UiScrollablePanel` computed its layout while hidden, so rows are
-zero-height/culled until a relayout; (b) the switched-in page slot or the
-Type-8 root's draw/hit-test doesn't cascade to descendants built post-mount;
-(c) the "dead" Gameplay buttons (Exit-to-CharSel dialog, Use-Mouse-Turning
-chat lines, UA/RA failure text) each have an invisible EFFECT rather than a
-dead click — needs per-button confirmation. Configure Keyboard + In-Game
-Help ARE correctly inert (OP8 pending).
-
-**Blocks the OP3/OP4/OP5/OP6 connected gates** — they cannot pass until the
-non-Gameplay tabs render and the Gameplay buttons act. Fix is a dedicated
-debug slice (live render-path instrumentation, NOT a guess), then a
-gate-representative test that mounts+activates+switches+asserts-drawn so this
-can never regress green again.
-
-## #371 — Options-panel row viewport culls whole rows instead of clipping; tall filter blocks can vanish entirely at some scroll offsets
-
-**Status:** DONE — fixed 2026-08-11 at the Campaign OP gate-3 fix round.
-The user's gate-3 screenshot review caught the predicted symptom at the
-DEFAULT scroll offset ("the chat tab looks like it is missing per window
-config" — Chat Window 1's header rendered over a void, its 260px filter
-block whole-row-culled, windows 2-4 below the fold). By fix time the UI
-renderer HAD grown a clip stack (`UiRenderContext.PushClip`, already
-honored by the generic draw walk and hit-test via `ClipsChildren`), so
-the fix is exactly the shape this filing asked for: `UiScrollablePanel`
-now sets `ClipsChildren => true` and culls by INTERSECTION instead of
-full containment — straddling rows render their visible slice, clipped
-at the viewport edge for both drawing and clicks. Register row AP-201
-retired in the same commit. Pinned by
-`UiScrollablePanelTests.StraddlingRow_StaysVisible_AndClipsInsteadOfVanishing`
-and `ViewportClipsChildDrawingAndHitTesting`.
-
-
-**(filed OPEN)** — 2026-08-11 at the OP5 review-fix round (S2).
-`UiScrollablePanel.LayoutScrollableChildren` (`src/AcDream.App/UI/UiScrollablePanel.cs:69`)
-has no scissor stack, so a row that straddles the viewport's visible edge is
-hidden WHOLE (`child.Visible = top >= -0.5f && top + child.Height <=
-Height + 0.5f`) rather than clipped to its visible portion. Every row in
-this viewport (used by `UiTemplateListBox`, the Character/Chat/Config
-Options-panel tabs) was 8-36px until Campaign OP slice OP5 added five
-self-sized filter blocks (240-260px, AP-195's self-sizing) to the Chat
-tab — a block that size straddling the viewport edge now disappears
-entirely for a range of scroll offsets instead of clipping, a visible pop
-that the pre-OP5 small rows never made noticeable. Register row AP-201.
-
-**Fix:** add a real per-row clip rect (scissor test, or per-row UV/geometry
-clip in the draw path) to `UiScrollablePanel.OnDraw`/`LayoutScrollableChildren`
-so a straddling row renders its visible slice instead of being culled
-outright. Deliberately NOT attempted in the OP5 fix round (out of scope —
-a renderer-level change, not a Chat-tab content fix); see AP-201 for the
-full analysis and the OP5 gate script's step 2 for the exact observable
-symptom.
-
-## #360 — @allegiance/@house management dispatchers only port their simple subcommands
-
-**Status:** OPEN — filed 2026-08-09, Campaign CH slice CH4; corrected
-2026-08-09 at the CH4 REJECT-review (Blocker 1). Retail's
-`@allegiance`/`@all` and `@house`/`@hou` are 12- and 15-subcommand local
-command dispatchers (`ClientCommunicationSystem::DoAllegiance @
-0x0057D5A0` / `DoHouse @ 0x00580860`). CH4 ports the subset with simple
-parameterless/single-string-field wire shapes — allegiance `info`,
-`hometown`/`ho` (also the standalone `@alh`/`@ah`); house `recall`/`re`,
-`mansion_recall`/`alleg_recall`/`ma` (already shipped pre-CH4), and
-`abandon`. The remaining ~22 subcommands (allegiance boot/ban/officer/
-title/name/lock/chat/broadcast/motd; house open/close/storage/remove/
-boot_all/remove_all/guest/available/hooks/on/off) plus the standalone
-`@motd` verb need real GameAction wire builders, most requiring
-target-name/guid resolution, confirmation dialogs, or multi-field payloads
-this session did not attempt to build without byte-level verification
-against both the retail decomp and ACE's reader — see the doc's own
-framing ("largest single item; deserves its own slice"). For `@house`,
-these subcommands correctly fall through to ACE as server-passthrough
-text (`RetailClientCommandCatalog.TryMatchHouse`) rather than being
-swallowed locally, which was the Tier-1 correctness fix CH4 landed — but
-they don't yet execute. **For `@allegiance`/`@all`, the original filing's
-"falls through to ACE" claim was wrong**: retail's own `DoAllegiance`
-never reaches server passthrough for an unrecognized subcommand — it
-prints "Please see @help Allegiance for more information on how to use
-this command." locally and stays entirely client-side
-(`ClientCommunicationSystem::DoAllegiance`, label at 0x0057DA4B). The
-CH4 REJECT-review found acdream had instead been broadcasting the
-unmatched subcommand text to the Allegiance chat channel — a real
-chat-visible bug, now fixed (`TryMatchAllegiance` claims ownership
-unconditionally and shows retail's own refusal text).
-
-**Corrected again 2026-08-09 at the CH4 re-review (SHOULD-FIX 3), for
-precision:** the nine allegiance subcommands (boot, ban, officer, title,
-motd, name, lock, house, chat, broadcast) are NOT refused by retail —
-`DoAllegiance`'s dispatcher table EXECUTES each one locally through its
-own handler (e.g. `DoAllegianceBoot @ 0x0057D646` is the dispatcher's
-call site into `ClientCommunicationSystem::DoAllegianceBoot`, with
-`DoAllegianceBan`/`DoAllegianceOfficer`/`DoAllegianceOfficerTitle`/
-`DoMotd`/`DoAllegianceName`/`DoAllegianceLock`/`DoAllegianceHouse` its
-siblings in the same table). acdream shows the same unrecognized-
-subcommand refusal for all nine because none of those handlers is
-ported yet, pending this issue. What matches retail is the OWNERSHIP
-RULE — the verb never reaches `DoChannelCommand`/the server regardless
-of subcommand — NOT the subcommand's actual behavior, which retail
-executes and acdream does not.
-
-The 22 subcommands themselves still don't execute; only the fallback
-behavior changed. Register row: TS-68. Registry doc:
-`docs/research/2026-08-09-chat-retail-command-registry.md` §2.5/§2.5b.
-
-**Campaign:** `docs/plans/2026-08-09-chat-parity-campaign.md` (Campaign CH,
-slice CH4).
-
-## #361 — @day / @log / @render pure-local commands recognized in help only, not executed
-
-**Status:** OPEN — filed 2026-08-09, Campaign CH slice CH4. Three
-retail-registered pure-local verbs are not yet wired to real behavior:
-`@day` (daylight override — needs a sky/time-of-day hook the renderer
-doesn't expose), `@log` (chat-to-file logging — deferred to avoid an
-unaudited file-handle lifecycle across session reconnects; see AP/TS-69
-for the reasoning), and `@render` (retail's `SmartBox::HandleRenderOption`
-— acdream has no equivalent render-option surface). All three are
-recognized by `/help ` (`RetailCommandHelpTable`) with retail's own
-extracted help text, but fall through to server passthrough on execution.
-Register row: TS-69.
-
-**Campaign:** `docs/plans/2026-08-09-chat-parity-campaign.md` (Campaign CH,
-slice CH4).
-
-## #363 — Chat refusal/usage call sites are typed ClientLocal 0x00 where retail types several 0x1A
-
-**Status:** CLOSED 2026-08-10. `ChatVM` gained a typed interface-text seam
-(`OnInterfaceText` init hook + `ShowInterfaceText(text)`) that the App-layer
-composition (`InteractionRetainedUiComposition.CreateRetainedUi`) wires to
-`RuntimeCommunicationState.AddText(text, RetailLogTextType.ClientLocal)` —
-the same SpewBox chokepoint every other interface-text producer uses.
-UI.Abstractions still never references Runtime directly (Code Structure
-Rules); the hook is the seam. Unwired callers (headless, the automation
-probe runner, plain test fixtures) fall back to the ordinary chat log
-tagged `ClientLocal`, so no text is ever silently dropped.
-
-Every site AP-183 named now routes through the seam: `DoStupidChannelHack`
-("You must specify the text you wish to say!", newly wired — the six
-legacy channel verbs previously fell through `ChatInputParser.Parse`'s pure
-`return null` shape with NO message at all), `DoChannelList`/`DoChannelOn`/
-`DoChannelOff` ("Please specify the channel name.", reclassified),
-`DoAllegiance` ("Please see @help Allegiance...", reclassified),
-`DoHouseAvailableList` (reclassified AND corrected to retail's own
-"Please see @help hslist for more information on how to use this command"
-string — verified at `acclient_2013_pseudo_c.txt:381481`/`1029383`,
-replacing the acdream-synthesized "Usage: /hslist " fallback),
-and `DoReply` ("Someone must @tell you first!", newly wired for the
-"message but no last teller" branch — bare `/r` with no message at all is
-a separate retail branch, deliberately out of scope, not named by AP-183).
-`DoSpeaker`/`DoEndurance`/`DoTitle` are untouched — already correct at
-`0x00` (their text is produced by `ClientCommandController`, not
-`ChatCommandRouter`).
-
-The generic bad-args fallback is also fixed: `ChatCommandRouter.Submit`'s
-catalog dispatch now falls to `WeenieErrorMessages.Resolve(0x026u, null)`
-("That is not a valid command.", the exact port of retail's
-`HandleFailureEvent(0x26)`) instead of synthesizing `"Usage: {Usage}"` —
-verified 5 decompiled handlers (`DoDie`, `DoChannelList`/`On`/`Off`,
-`DoAllegiance`, `DoHouseAvailableList`) are ALL `0x1A`, confirming the
-uniform routing decision. This also closes #367 (the "Unknown command"
-DoHelp fallback and the degenerate-prefix "Unknown command: {verb}."
-refusal both now use the same seam) and retires register row AP-186 —
-see that row's retirement note.
-
-Tests: `tests/AcDream.UI.Abstractions.Tests/Panels/Chat/ChatVMRetellAndProvidersTests.cs`
-(seam wired / null-fallback), `ChatInputParserTests.cs`
-(`IsBareRegisteredChannelVerb`/`IsReplyMissingLastTeller` pure-predicate
-coverage), `ChatCommandRouterTests.cs` (per-site routing pinned both ways
-for every reclassified/newly-wired site, plus a Turbine-only-channel
-negative case and a 0x00-site-stays-in-chat sanity check).
-
-**Campaign:** `docs/plans/2026-08-09-chat-parity-campaign.md` (Campaign CH,
-CH4 REJECT-review; closed in the goal-window follow-up).
-
-## #365 — Headless host cannot move at head: session quarantines on the first advance tick; world never hydrates
-
-**Status:** CLOSED 2026-08-10. Root-caused and fixed per
-`docs/research/2026-08-10-365-headless-hydration-diagnosis.md` (see its
-OUTCOME section for the measured verdict and fix shape). Distinct from #330
-(no collision) and #332 (no remote DR): this was the LOCAL player.
-
-**Correction to the evidence chain below:** `entities: 0` in the headless
-JSON is NOT evidence of failed hydration. `HeadlessDiagnosticWriter.Lifecycle`
-fires at exactly four points (constructed / start-result / reconnect-deferred
-/ stopped), none of which run after a CreateObject stream has had any chance
-to populate the entity table — a perfectly healthy run prints the SAME
-`entities: 0` on every lifecycle line. `entityCount` was a logging artifact,
-not a hydration symptom.
-
-**Actual root cause (confirmed via live capture with `ACDREAM_PROBE_PARK=1`,
-unblocked by the Step-1 audit fix below):** the headless host's ONLY
-collision publisher is a 3×3 landblock plan STARTED BY the local player's own
-CreateObject (`HeadlessCollisionNeighborhood`) — unlike the graphical host's
-publisher, which runs on the streaming cadence ahead of the Create burst.
-`HeadlessSessionWorldProjection.PumpFirstEntry`/`ProjectSpawn`/`ProjectPosition`
-drove the first-entry conductor UNCONDITIONALLY, including while the
-neighborhood's own publication held a genuinely open
-`RuntimeCollisionAdmission` for the same landblock the player's placement
-needed. Every `TrySealCollisionEvaluationAuthority` attempt during that
-window failed (`IsCollisionEvaluationPrefixAdmissible` false) and retried
-every tick without ever recovering while the window stayed open. Measured
-verdict: `seal-refused` repeating with NO preceding `[rearm] verdict=` line —
-the operation never even reached the `AwaitingCell` park; it failed the seal
-immediately on every attempt while `AwaitingPreparation`. This is the
-diagnosis doc's "structural half — CONFIRMED" mechanism, not its "circular
-`HasOldPrefixPlacementDebt`" hypothesis (no `prefix-inadmissible` rearm
-verdicts were ever observed).
-
-**Fix (Step 3a):** new `IHeadlessCollisionNeighborhood.IsQuiescent`
-(`_pendingPublication is null && _publicationQueue.Count == 0 &&
-!_pendingPublicationCancellation`) gates all three drive call sites
-(`ProjectSpawn`, `ProjectPosition`, `PumpFirstEntry`) — the conductor is
-never driven while the neighborhood's own publication owns collision
-authority for that tick.
-
-**Fix (Step 4, defense-in-depth):** `HeadlessLocalPlayerFrameHost.CanAdvancePlayer`
-now requires `Controller is { CanExecuteLiveMovement: true }` instead of just
-`Controller is not null` — the exact bug that turned the (now-fixed)
-hydration stall into a hard crash (a dormant, unpublished controller reaching
-`SuspendObjectUpdate`). `RuntimeLocalPlayerFrameController`'s three shared
-entry points (`AdvanceBeforeNetwork`/`RunPostNetworkCommandPhase`/
-`TryGetPresentationAfterNetwork`) gained the same
-`controller.CanExecuteLiveMovement` guard, contract-preserving for the
-graphical host.
-
-**Enabler (Step 1):** `HeadlessStaticStateAudit.ValidateProcessIsolation`
-now takes `sessionCount` and only refuses process-global physics probes for
-`sessionCount > 1` (logging, not refusing, for the single-session case) — the
-audit's own rationale (multi-root attribution ambiguity) never applied to a
-single session, and it was blocking the exact probe (`ACDREAM_PROBE_PARK=1`)
-built to diagnose this class of stall.
-
-**End-to-end verification:** confirmed via three live `jump-probe` runs
-against local ACE — hydration now succeeds cleanly (136 entities load,
-"local player present" fires promptly, `[jump-probe] releasing jump (fire)`
-reached — no `seal-refused` spam, no crash from the original bug) and the
-session exits gracefully every time (`[session] graceful logout confirmed`,
-zero leases at disposal). Full `airborne-transition True` confirmation is
-blocked by a SEPARATE, newly-discovered, pre-existing defect — see #368 below
-— not by anything in this issue's scope. (2026-08-10 update: #368 is CLOSED
-at `b7f59923`; the airborne residual survived that fix and is now #370.) A diagnostic-only run with #368's
-guard temporarily neutralized (never shipped, reverted before commit)
-confirmed the #365 fix produces the correct behavior once past that unrelated
-blocker: full hydration, the jump-probe policy running to completion, exit
-code 0.
-
-**Also observed in the same runs:** `[weenie-error] unmapped code=0x051D` —
-an ACE-only id outside retail's 344-case `HandleFailureEvent` switch; CH2's
-silent-toward-player + diagnostics-line fallback handled it as designed (no
-action needed, noted for completeness).
-
-**Original evidence chain (2026-08-10, superseded by the root cause above):**
-1. First quarantine: `RuntimeLocalPlayerFrameController.AdvanceBeforeNetwork:93`
- unconditionally re-assigned `controller.LocalEntityId` — a sealed
- configuration property — on a still-dormant controller. FIXED in the
- probing session: a same-value re-assertion is now a no-op (a different
- id while sealed still throws).
-2. Second quarantine (one layer deeper): the frame controller takes the
- `ObjectClockDisposition == Suspend` branch and calls
- `SuspendObjectUpdate` → `EnsurePublishedForRuntimeOperation` throws —
- `_host.CanAdvancePlayer` is true while the controller is unpublished.
-3. Root condition (at the time): believed to be "the session's world never
- hydrates" from the `entities: 0` artifact — corrected above.
-
-**Repro:** `dotnet run --project src/AcDream.Headless -c Release -- run
---config ` with a `jump-probe` policy session against local ACE
-(config shape: version 1, endpoint 127.0.0.1:9000, credential provider
-Environment). `HeadlessDiagnosticWriter.Failure` now emits `errorDetail`
-(full exception) — added during this diagnosis.
-
-## #368 — Headless scheduler's async tick loop can run collision-generation calls on different threads, tripping `EnsureCollisionMutationThread`
-
-**Status:** CLOSED 2026-08-10 — fixed in `b7f59923`. One dedicated update
-thread (`acdream-headless-update`, spawned by `HeadlessProcessHost.RunAsync`)
-now owns the whole session-side lifecycle: `Start()` (the live connect
-transaction, where the first collision-mutating call can already happen),
-every scheduler turn, and the post-loop resource captures.
-`HeadlessProcessScheduler.Run(CancellationToken)` replaced `RunAsync` — the
-same deadline math and counters, but fully synchronous on the calling
-thread, with waits going through one rearmed `TimeProvider` timer
-signalling an event instead of `await Task.Delay`, so the loop never leaves
-its thread. `EnsureCollisionMutationThread` is untouched — the invariant it
-guards is real, and the headless host now satisfies it the same way the
-graphical host's game-loop thread does. Zero shared Runtime changes, so the
-graphical host is unaffected by construction. Evidence: new
-`ProcessHostRunsStartAndEveryTickOnOneDedicatedUpdateThread` test (RED
-pre-fix — Start ran on the caller's thread, ticks migrated to pool
-workers), Headless suite 97/97, full Release suite 12,554 / 4 skips / 0
-failures, and three live jump-probe runs against local ACE that each
-crossed `[wake] begin gen=1` — the exact point all three pre-fix runs
-quarantined — with zero faults, 204–205 hydrated entities, policy
-completion, ACE-confirmed graceful logout, converged disposed samples, and
-exit 0. The jump-airborne timeout this issue carried as an open question
-persists 3/3 on the fixed tree — the threading-artifact hypothesis is
-refuted; split off as #370.
-
-Filed 2026-08-10 during #365's end-to-end verification. Explicitly OUT OF
-SCOPE for #365 — orthogonal mechanism, not mentioned anywhere in that
-diagnosis.
-
-**Symptom:** a real headless run against live ACE (`jump-probe` policy,
-`ACDREAM_PROBE_PARK=1`) that survives long enough for the local player's own
-landblock collision generation to span more than a couple of scheduler ticks
-reliably quarantines with:
-
-```
-System.InvalidOperationException: Collision generations must be staged and
-committed on one update thread.
- at AcDream.Runtime.Physics.RuntimePhysicsState.EnsureCollisionMutationThread()
- at AcDream.Runtime.Physics.RuntimePhysicsState.AdvanceCollisionGenerationSeal(...)
- at AcDream.Headless.Hosting.HeadlessCollisionGenerationTransaction.Advance()
- at AcDream.Headless.Hosting.HeadlessCollisionNeighborhood.AdvanceWork()
- at AcDream.Headless.Hosting.HeadlessCollisionNeighborhood.IsReady(...)
- at AcDream.Headless.Hosting.HeadlessSessionWorldProjection.PumpFirstEntry()
- at AcDream.Headless.Hosting.HeadlessSessionHost.Tick(...)
- at AcDream.Headless.Hosting.HeadlessProcessScheduler.DispatchSessionDue(...)
-```
-
-Reproduced identically across 3 separate live-ACE runs (2026-08-10), each
-time at the same point (`[wake] begin lb=0x0904FFFF gen=1` — right after the
-jump-probe policy's "local player present" line) — not a one-off timing
-fluke.
-
-**Root cause (confirmed by reading `RuntimePhysicsState.EnsureCollisionMutationThread`
-+ `ResetSessionPhysics`'s own doc comment):** the guard binds the FIRST
-thread that calls any collision-mutating method for a generation
-(`_collisionMutationThreadId`, `Interlocked.CompareExchange`) and requires
-every later call on that generation to match — a real invariant for the
-graphical host, whose whole session runs on one dedicated update thread.
-`HeadlessProcessScheduler.RunAsync` instead drives its ticks through
-`await Task.Delay(delay, _timeProvider, cancellationToken).ConfigureAwait(false)`
-— a console app has no `SynchronizationContext`, so each resumption after the
-delay can legitimately land on a different ThreadPool worker. The FIRST
-collision-mutating call (during the session's opening synchronous tick,
-still on the process's original thread) binds the guard to that thread; any
-LATER tick that resumes on a different pooled thread and also calls into
-collision generation trips it.
-
-**Why K1–K4's connected gates never caught it:** those gates' own collision
-generations apparently completed within tick sequences that stayed on the
-same pooled thread (low contention on those runs), or the exact interleaving
-needed to cross a real `Task.Delay` resumption boundary mid-generation never
-occurred. Every fixture test in this repo drives `Tick()` synchronously and
-directly, never through the real `HeadlessProcessScheduler.RunAsync` await
-loop — so none of them exercise this path either. A genuine coverage gap,
-not a regression from a specific commit.
-
-**Why the dedicated-thread shape (not an invariant redesign):** the guard
-is only the ENFORCER — Runtime's single-update-thread contract is
-documented all over (`RuntimeEntityDirectory` "single update-thread
-authority", `RuntimeLocalPlayerPhysicsPublicationState` "this single
-Runtime update thread", `RuntimePlacementProjectionChannel`), mostly
-without enforcement. An async tick loop violates the whole contract, not
-one check; weakening the check would have silenced the one place that
-noticed while leaving every unenforced assumption exposed, and would have
-degraded the guard for the graphical host where migration is always a bug.
-The dedicated thread fixes the entire class. Start() had to move onto the
-same thread too: the first collision-mutating call can land during
-connect, and a caller-thread Start would bind the guard there and trip the
-very first dedicated tick. Disposal legitimately stays on the lifecycle
-thread — `ResetSessionPhysics`'s doc comment designs for exactly that, and
-every prior graceful-teardown run (including the quarantined ones)
-exercised it.
-
-**Repro (historical):** run the `jump-probe` policy against local ACE with
-`ACDREAM_PROBE_PARK=1` for long enough that the local player's own landblock
-collision generation spans more than a couple of scheduler ticks (the
-default case against a real DAT-loaded landblock).
-
-## #370 — Headless jump-probe: the released jump never registers as airborne (proven NOT a threading artifact)
-
-**Status:** OPEN — filed 2026-08-10 during #368's fix verification.
-
-**Symptom:** with #368 fixed (one dedicated update thread, thread
-migration provably gone — the new affinity test pins it), the `jump-probe`
-policy reaches `[jump-probe] releasing jump (fire)` and then reports
-`TIMEOUT waiting for airborne after jump fire -- the released jump never
-registered as airborne.` Reproduced 3/3 on the fixed tree at
-`lb=0x1134FFFF`; the #365 session saw the identical timeout in its
-guard-neutralized diagnostic run at `lb=0x0904FFFF`
-(`docs/research/2026-08-10-365-headless-hydration-diagnosis.md` §8), so it
-is location-independent and pre-existing. The run still exits 0 with
-ACE-confirmed graceful logout — the probe treats its timeout as
-completion, so nothing quarantines.
-
-**What this refutes:** the #365 OUTCOME's hypothesis that the timeout was
-"plausibly a downstream artifact of the same unsynchronized-thread
-condition" — threads are now single and the timeout persists unchanged.
-This is a distinct defect (or probe-expectation gap) in the headless jump
-path: either the policy's charge/release never becomes a real jump on the
-wire/local motion, or the airborne signal the policy polls is never set on
-the headless projection. Everything before the fire provably works
-(hydration 204–205 entities, `local player present`, movement owner
-publication per #365's fix).
-
-**Where to start:** `JumpProbeHeadlessBotPolicy` (what it reads as
-"airborne"), the J5.4 `RuntimeLocalPlayerMovementState` jump intent/outbound
-cadence path, and whether the graphical host's airborne transition has a
-presentation-side dependency the headless projection lacks.
-
-**Repro:** #368's recipe (jump-probe vs local ACE, `ACDREAM_PROBE_PARK=1`);
-the timeout fires seconds after `releasing jump (fire)`.
-
-## #369 — Unconfirmed whether retail's floating chat windows share the main window's currently-selected talk-focus channel
-
-**Status:** OPEN — filed 2026-08-10, Campaign CH slice CH6b (register row
-AP-188). The floating chat window LayoutDesc (`0x2100005B`) authors no
-talk-focus menu (`docs/research/2026-08-09-chat-retail-window-shell.md`
-§2.2 — only the main window's `0x2100006F` has one, element `0x10000014`),
-so acdream's `FloatingChatWindowController` hardcodes every floaty window's
-chat entry to send on `ChatChannelKind.Say`. What is UNVERIFIED is retail's
-actual send path: does a floaty `ChatInterface` instance's typed message go
-out on a per-window channel (also always Say, since there's nothing to pick
-from), or does it read the single globally-current talk-focus
-channel/target the MAIN window's menu (and `gmMainChatUI::UseTime
-@0x004CDB20`'s selected-target tracking) last set? If the latter, a real
-retail floaty window sends on whatever channel the player most recently
-picked from the main window — acdream would then need to promote
-`ChatWindowController`'s private `_activeChannel` to a shared owner all
-five window controllers read, rather than each owning its own (the main
-window keeps its own local state; the four floaties currently have no
-state at all, just the Say constant).
-
-**Where:** `src/AcDream.App/UI/Layout/FloatingChatWindowController.cs`
-(`Bind`'s `OnSubmit`); `src/AcDream.App/UI/Layout/ChatWindowController.cs`
-(`_activeChannel`, the eventual shared-state candidate).
-
-**Fix shape (needs research first):** trace `gmCCommunicationSystem`'s
-send-command path starting from a floaty `ChatInterface` instance (not the
-main window) to confirm which channel/target it actually uses; if it's
-shared, wire a single shared active-channel owner (Runtime-level, matching
-the J4.1 pattern the rest of chat state now follows) that all five
-controllers read instead of the main window's private field.
-
-## #366 — Chat window's new-unseen-text indicator (0x1000048C) imports but is never independently wired
-
-**Status:** OPEN, NARROWED 2026-08-16 at Campaign CC gate round 1 Batch C
-Commit 2 — the BUILD half of this issue's own "fix shape" recommendation is
-now DONE. `LayoutImporter.BuildWidget` gained a `UiText`/`UiField`
-media-bearing-child carve-out (mirroring `UiMeter`'s own text-overlay
-carve-out, EXACTLY the shape this issue proposed) as part of a chargen
-description-box fix; the client-wide blast-radius sweep that fix's own
-tests run
-(`LayoutImporterMediaBearingChildSweepTests.MediaBearingChildSweep_EnumeratesEveryAffectedType12Element`)
-independently re-confirmed `0x1000048C` under `0x10000011` in layout
-`0x2100006F` as one of the affected elements — it now builds as a real
-widget instead of being silently swallowed. **Still open:** no controller
-binds or drives its visible state (STILL the original ask — what triggers
-retail's "new text" indicator, and what it does on click, remains
-un-researched); this issue stays open for that behavioral half.
-
-**Where:** `src/AcDream.App/UI/Layout/ChatWindowController.cs` (behavior,
-still missing); `src/AcDream.App/UI/Layout/LayoutImporter.cs`
-(`BuildWidget`'s new `UiText or UiField` carve-out — CLOSED the build half);
-`src/AcDream.App/UI/UiText.cs`.
-
-## #367 — ChatCommandRouter's local-presentation fallbacks type-0x1A text still lands in the chat scroll, never the SpewBox
-
-**Status:** CLOSED 2026-08-10, closed as a side effect of #363's
-interface-text seam (fix shape (a) from this issue's own filing).
-`ChatVM.OnInterfaceText` is exactly the hook this issue asked for; both
-named fallbacks (`RetailCommandHelpTable.UnknownCommand` in
-`ChatCommandRouter.EmitVerbHelp`, and the degenerate-prefix "Unknown
-command: {verb}." refusal in `ChatCommandRouter.Submit`'s main body) now
-call `vm.ShowInterfaceText(...)` instead of `vm.ShowSystemMessage(...)`,
-reaching the SpewBox through `RuntimeCommunicationState.AddText` via the
-App-layer composition wiring. See #363's closure note for the full
-mechanism and test list. Register row AP-186 retired in the same commit.
-
-**Campaign:** `docs/plans/2026-08-09-chat-parity-campaign.md` (Campaign CH,
-user gate round 3; closed in the goal-window follow-up).
-
-## #364 — Three `/help` group topics still partial: HelpStupidChannelHack unresolved
-
-**Status:** CLOSED 2026-08-10 — Campaign CH round 4. The blocker in the
-original filing (below) was a wrong belief, not a real limitation:
-`ClientCommunicationSystem::HelpStupidChannelHack @0x0056f290`'s three
-"vtable slot" operands are the SAME pooled/mislabeled-data artifact this
-file's register entry AP-113 already documented elsewhere — real DATA
-pointers into `.rdata`, not vtable dispatch. Reading the function's own
-disassembly for the `push imm32` immediately preceding each
-`PStringBase::PStringBase` constructor call (instead of trusting Binary
-Ninja's line-grouped rendering, which hides the true instruction order)
-resolves all three operands directly: the function builds
-`"@" + tag + " - Sends a broadcast to your " + ChannelName + ".\n"`, where
-`tag` is one character sliced out of a shared wide literal `U"fvpca"`
-(reading a WIDE string through a NARROW `char*` truncates at the first
-zero high byte — the "hack" the function's own retail name calls out) and
-`ChannelName` comes from `ChannelSystem::GetChannelName`'s own literal
-switch table (also read directly: "Allegiance", "Co-vassals", "Monarch",
-"Patron", "Vassals", "Fellowship"). `ChannelsGroupDetail`,
-`ChattingGroupDetail` (whose "@reply" entry also needed
-`HelpReply@0x00577A50`'s Summary-branch decoded — it unconditionally
-concatenates reply+pr+mr, a genuine retail quirk ported as found), and
-`CommandsGroupDetail` (`HelpAllGroup`, a straight-line concatenation of
-every other group's Detail branch, including a CONFIRMED retail
-saveui/loadui duplicate) are now COMPLETE verbatim listings, matching the
-four (death/status/text/allegiances) already complete. Register row
-AP-184 RETIRED with the full citation trail. The 5 remaining
-`ByVerb`-only channel one-liners (fellowship/monarch/patron/vassals/
-covassal, as standalone `/help f`-style lookups rather than group-listing
-entries) are UNCHANGED — their own standalone help registration was never
-confirmed independently of this mechanism, so they are deliberately left
-as acdream summaries rather than spliced in speculatively.
-
-**Original filing (2026-08-09, Campaign CH user-gate round 2, item 3):**
-The user caught `/help death` printing an acdream meta-message instead of
-retail's real listing; all 7 `ClientCommunicationSystem::HelpXxxGroup`
-nodes were re-extracted verbatim from the PDB-paired binary via a
-generalized `tools/pdb-extract/sweep_weenie_strings.py --ascii-only`.
-4 of 7 (death/status/text/allegiances) were COMPLETE verbatim listings
-(`RetailCommandHelpTable.DeathGroupDetail` etc.); 3 remained PARTIAL
-(`ChannelsGroupDetail`, `ChattingGroupDetail`, `CommandsGroupDetail`) with
-an explicit UNVERIFIED note, believed genuinely not decodable from a
-static string sweep — see the CLOSED note above for why that turned out
-to be wrong.
-
-**Campaign:** `docs/plans/2026-08-09-chat-parity-campaign.md` (Campaign CH,
-user gate round 2).
-
-## Note — six invented chat verbs removed for registry parity (2026-08-09)
-
-Campaign CH slice CH4 deleted `/gen`, `/cv`, `/lookingforgroup`, `/tr`,
-`/role`, `/h` from `ChatInputParser`/`ChatCommandRouter` — none are
-retail-registered verbs; the retail command registry doc
-(`docs/research/2026-08-09-chat-retail-command-registry.md` §4,
-"candidates for removal") confirmed none exist in the real client. Not a
-bug, no issue number — recorded here so they aren't reintroduced later as
-"missing aliases." `RetailCommandRegistryConformanceTests`'s two
-reverse-direction ownership tests now fail the build if any of the six
-(or any other invented verb) resurfaces.
-
-## #356 — Alt-tab during login crashed the client: focus loss faulted on an unpublished movement controller
-
-**Status:** CLOSED 2026-08-08 — `972c7ab3`. Window focus loss runs
-`MouseLookController.EndForLifecycle` → `PlayerMovementController.EndMouseLook`,
-whose `EnsurePublishedForRuntimeOperation` throws for a controller that exists
-but is UNPUBLISHED (mid-login) or retired (post-logout); a focus callback can
-land in either window, so alt-tabbing during the login stream killed the
-process with an unhandled `InvalidOperationException`. Hit live during the
-Campaign A listening-session launches. Fixed by completing the existing
-null-guard with `CanExecuteLiveMovement` (the exact lifecycle set the throw
-helper accepts); cursor restore still runs unconditionally, and
-published-controller behaviour is unchanged.
-
-## #358 — Ctrl+M mute keybind never fires from the dispatcher
-
-**Status:** DONE — root cause found and fixed. Filed 2026-08-08; closed via
-the CH6c-fix-adjacent session that wrote the full-production-wiring repro
-test the deferred investigation asked for.
-
-**Mechanism (confirmed, not inferred):** `InputAction.AcdreamToggleAudioMute`
-was bound to Ctrl+M only in `KeyBindings.AcdreamCurrentDefaults()`
-(`src/AcDream.UI.Abstractions/Input/KeyBindings.cs:123`) — the pre-K.1c
-WASD-only preset, whose own doc comment says it is preserved solely "as a
-regression anchor for tests that pin the older modifier-blind WASD layout"
-and is explicitly "NOT the GameWindow startup source after K.1c."
-`KeyBindings.RetailDefaults()` (the method `KeyBindings.LoadOrDefault`
-actually falls back to when no `keybinds.json` exists on disk — the verified
-state on the affected machine) never carried the Ctrl+M binding over: it has
-its own "Acdream debug actions: relocated to Ctrl+F* to avoid retail
-conflicts" block (Ctrl+F1/F2/F3/F7/F8/F9/F10, Ctrl+Shift+F) but
-`AcdreamToggleAudioMute` was simply never added to it. The live dispatcher
-therefore had no Ctrl+M entry in its binding table at all — not a modifier-
-matching bug, not a scope bug, not a retained-UI-capture bug. Same class as
-the `a5a7eb4f` jump fix (two construction paths, one wired to production),
-except here it's two DEFAULT-BINDING-SET methods rather than two controller
-instances, and the binding was added to the wrong one.
-
-**How it was found:** `tests/AcDream.UI.Abstractions.Tests/Input/MuteChordDispatchTests.cs`
-(`CtrlM_WithNoWidgetFocused_FiresAcdreamToggleAudioMute`) reproduces the full
-production wiring shape — real `KeyBindings.RetailDefaults()` (not an ad-hoc
-test binding), the dispatcher's actual default `[Always, Game]` scope stack
-(production never calls `PushScope`/`PopScope` anywhere — grepped clean
-across `src/AcDream.App`, so Chat/EditField/Dialog/etc. scopes are dead code
-today), and a synthetic Ctrl+M keydown with nothing capturing the keyboard.
-It failed with an EMPTY fired collection before the fix (not a wrong-action
-mismatch), which is what pinpointed "missing table entry" over the other
-hypotheses. This also resolves the prior "loaded 152 bindings both before and
-after" mystery: the count correctly did NOT change across that prior session
-because the earlier binding addition went into `AcdreamCurrentDefaults()`,
-which nothing in production ever loads or counts.
-
-**Ruled out, but real and now pinned as a separate regression test**
-(`CtrlM_WhileAnyWidgetHoldsKeyboardFocus_IsSuppressed`):
-`InputDispatcher.OnKeyDown` returns before calling `FindActive` at all when
-`_mouse.WantCaptureKeyboard` is true, and production wires that to
-`UiRoot.WantsKeyboard` = "`KeyboardFocus is not null`" — ANY focused widget
-(in practice only `UiField` instances ever set `AcceptsFocus = true` in the
-retained UI, so this means any focused text-entry field), not scoped to a
-specific text box. This gate is total and pre-empts every chord, not just
-Ctrl+M, but the baseline repro test proved the bug reproduced with nothing
-focused at all, so this was not #358's cause.
-
-**Fix:** `src/AcDream.UI.Abstractions/Input/KeyBindings.cs` —
-`RetailDefaults()` now also binds Ctrl+M → `AcdreamToggleAudioMute` in the
-Acdream-debug-actions block. Retail's own keymap
-(`docs/research/named-retail/retail-default.keymap.txt`) has no Ctrl+M
-binding, so this doesn't collide with anything retail-faithful.
-
-**The mechanism behind the key** (already landed, `2cf94dbc`): engine
-`Muted` sets the AL listener gain 0/1 — unused since A2 moved mixing to the
-CPU, so it silences already-playing voices instantly without touching the
-retail mixing math or persisted volumes. The trigger now works; no further
-audio-side work is needed. Connected verification (does Ctrl+M actually mute
-in a live client) is still owed the next time a client launch is available —
-this session's hard constraints excluded client launches.
-
-## #359 — 0x019E PlayerKilled line prints to participants — retail suppresses it
-
-**Status:** OPEN — filed 2026-08-09 at the CH1 Opus review. Pre-existing (not
-introduced by CH1); candidate for CH4/CH5.
-
-**Symptom:** `ChatLog.OnPlayerKilled` (`src/AcDream.Core/Chat/ChatLog.cs`)
-always appends the death message for every recipient of the `0x019E`
-PlayerKilled GameEvent. Retail's `ClientCombatSystem::HandlePlayerDeathEvent
-@0x0056C320` skips the `AddTextToScroll` call when the receiving player IS a
-participant — `player_id == victim || player_id == killer` — so the victim
-and killer see the notification through their own dedicated
-Victim/KillerNotification lines (0x01AC/0x01AD) instead, and would see it
-twice if the bystander-facing PlayerKilled line were not suppressed for
-them. acdream has no such guard: `OnPlayerKilled` prints unconditionally
-regardless of whether the local player is the victim, the killer, or an
-uninvolved bystander.
-
-**Fix shape:** thread the local player's guid into `OnPlayerKilled` (or its
-caller) and skip the append when it matches `victimGuid` or `killerGuid`,
-matching retail's participant check.
-
-**Campaign:** `docs/plans/2026-08-09-chat-parity-campaign.md` (Campaign CH,
-filed at the CH1 review).
-
-## #357 — Login stalls: reveal reaches ready=True but the player is never placed; UI + sky render, world never opens
-
-**Status:** CLOSED 2026-08-08 — root-caused and fixed same session (see the
-commit referencing this issue). **Root cause:** a transient collision-
-authority seal failure was classified as TERMINAL for the login conductor.
-The C3c-F2 rearm guard validates the EXACT destination cell's prefix before
-leaving `AwaitingCell`, but the placement transaction's ring search touches
-NEIGHBOUR landblocks, and `TrySealCollisionEvaluationAuthority` covers every
-touched prefix — so a rearm taken while a neighbour's collision admission
-was still registered (a hard login recenter admits nine at once) passed the
-guard and then failed the seal. The operation was left in
-`AwaitingPreparation`, which made `IsDormantLocalActivationAwaitingCell`
-false, which forced `EvaluateActivation` to report `RejectedAuthority` —
-terminal for `RuntimeFirstEntryDriveController`, which dropped the local
-player from its pump (`pending=0`), so the movement controller never
-published, auto-entry never fired, and the reveal never completed.
-Probe signature: `[rearm] verdict=OK` once, then silence.
-
-**Fix (classification, not state):** `EvaluateActivation` now reports
-`DeferredCell` when the evaluation aborts while the dormant lease is still
-current (`IsDormantLocalActivationLeaseCurrent`), keeping the conductor
-retrying; the operation deliberately stays in `AwaitingPreparation` so the
-retry re-runs the full evaluation against fresh state — the recovery path
-the publication-state tests already pin (the same token evaluates
-`Evaluated` once the authority settles). Genuine discards (lease retired /
-not current) still report `RejectedAuthority`. A first attempt that
-re-parked the operation back to `AwaitingCell` was REJECTED by the test
-matrix: recovery would then require the rearm gate, which is stricter than
-the seal, and the reentrant-restriction-mutation tests hung in
-`DeferredCell`.
-
-Seven publication-state tests updated from `RejectedAuthority` to
-`DeferredCell` at their transient-abort assertions (their substance —
-abort now, retained pending activation, same-token recovery — was already
-the retryable contract; only the status name told the conductor to give
-up). The `[wake]`/`[rearm]`/`[pump]` probes that pinned the mechanism are
-kept behind `ACDREAM_PROBE_PARK=1` with the rest of the C4 family.
-
-The portal-cue commit (`2914e43a`) was suspected and EXONERATED by
-experiment: a build with it fully reverted stalled with the identical
-probe signature. Wire capture had already exonerated ACE.
-
-**Original filing (evidence chain preserved below):** — filed 2026-08-08 during the Campaign A listening session,
-which it blocks. **This is a placement/streaming bug, not an audio bug** —
-read `docs/research/2026-08-05-c4-closeout-handoff.md` and
-`claude-memory/project_physics_collision_digest.md` before touching it.
-
-**Symptom:** login proceeds normally (handshake, CharacterList, EnterWorld,
-~6,670 CreateObjects streamed, first player position received, streaming
-recentered to (9,4) @0x09040008, all reveal domains converge —
-`render=True composites=True collision=True ready=True`) — and then nothing.
-`materialized=False completed=False visible=False` forever. The user sees the
-retail UI and the sky/background; the world viewport never opens. Client is
-healthy: no stderr, frame loop ticking (~15% of one core), graceful close
-works.
-
-**Evidence chain (all from 2026-08-08, exact binary `aa82ff7b` + rebuilds):**
-
-1. **Nondeterministic on the SAME binary.** Two launches at ~08:51/08:53
- reached `auto-entered player mode` and `event=complete`; every launch from
- ~08:56 onward stalls identically. No code change flips it: a control run
- without `ACDREAM_RETAIL_UI`, a run with the uncommitted focus-crash fix
- reverted (pure committed tree), and post-ACE-restart runs all stall.
-2. **Not the server.** Loopback capture (35 s, `login-capture.pcap` in the
- session scratchpad): ACE sends `PlayerCreate` (0xF746, from :9001) and the
- player guid `0x5000000A` appears in 48 payloads. A retail client logs into
- the same ACE fine (user-confirmed).
-3. **`ACDREAM_PROBE_PARK=1` shows a park storm:** 19 bodies (remotes
- 0x8xxxxxxx + generated statics 0x709xxxxx in landblocks 0x0904/0x0905) all
- park with `cause=unplaceable`, `eligible=True captured=True`, and **zero
- restores** over 30+ s. `ACDREAM_PROBE_PLACEMENT_FAIL=1` emits nothing.
-4. **The player guid appears in ZERO park lines** — the local player's route-1
- Place edge never executes at all, so `PlayerMovementController` never
- publishes, `PlayerModeAutoEntry.IsPlayerControllerReady` never becomes
- true, auto-entry never fires, and the reveal never completes. In the
- working 08:51 run, `[step-h]` player resolves appear BEFORE the final
- readiness event and auto-entry lands immediately after it.
-
-**Working hypothesis (unverified):** a pre-existing streaming/placement race
-in the login path — collision reveal-readiness and the placement pipeline's
-placeability read different convergence points, and a timing shift (machine
-warmth / page cache) made the losing interleaving consistent. The
-restore-pump silence (19 eligible parks, zero restores) suggests whatever
-re-drives parked placements after collision publication is not firing for
-this interleaving; the same mechanism failing globally would also explain the
-player's Place edge never arming. Smells adjacent to the
-`feedback_streaming_residence_race` class (#168/#169) and the C4 route-1
-machinery, but NOT confirmed — nobody has read the route-1 executor against
-this trace yet.
-
-**Repro:** launch Release live against local ACE (standard env) on a warm
-machine; stall reproduces every time as of filing. Probes:
-`ACDREAM_PROBE_PARK=1 ACDREAM_PROBE_PLACEMENT_FAIL=1`.
-
-**Next step:** read the C4 handoff's route-1 recipe, then instrument the
-route-1 accepted-position drive (what arms the login Place edge, and what
-re-drives parked operations when a collision generation publishes) against a
-stalled run. Do NOT band-aid with a retry loop — find the missed edge.
-
-## #355 — Sound probability was never applied: every gated cue played on every trigger
-
-**Status:** CLOSED 2026-08-08 (Campaign A slice A1) — user gate finding
-("we get incorrect ambient and stuff like that"), root-caused during the
-six-lane audio review.
-
-Retail's `SoundTable` entries carry a `probability` field that is a **Bernoulli
-play/skip gate** applied at the play site (`SoundManager::PlayProbability` @
-`0x005500E0`: `rand() * (1/32767) < probability`, else silence), entirely
-separate from variant selection (`SoundManager::GetSound` @ `0x00550680`:
-`idx = (int)(roll * (n - 1))`, which ignores probability).
-
-`SoundCookbook.Roll` instead treated probability as a cumulative selection
-weight AND short-circuited single-entry lists before rolling at all:
-
-```csharp
-if (entries.Count == 1) return entries[0]; // probability never consulted
-```
-
-An independent walk of the shipped dats found 4,183 of 4,184 entries are
-single-entry lists, and **686 of those carry probability < 1.0** — so the gate
-was categorically absent from the client. Loudest symptom: `Speak1` creature
-idle chatter (49 entries authored at 0.05) fired ~20× too often; wound / attack
-/ swoosh variants never dropped; six entries authored at 0.0001 played on every
-trigger. Affected 20 of 123 SoundTypes.
-
-Fixed by splitting the model into retail's two steps
-(`SoundCookbook.PickVariant` + `PlayProbability`, composed by `Select`) over a
-new `ISoundRandom` that reproduces both of retail's roll ranges — the variant
-roll clamped below 1.0 (`0x00797D48`) and the gate's 1/32767 grid, which is
-what makes a 0.0001 probability resolve to ~1.2e-4 rather than 1e-4.
-`PickVariant` deliberately reproduces retail's `(n-1)` off-by-one (the last
-variant of a multi-entry sound is unreachable; blast radius in the shipped dats
-is exactly one wave, `0x0A00051E`).
-
-Evidence: `docs/research/2026-08-08-audio-retail-dat-layer.md` §2 (census +
-disassembly, both elided by Binary Ninja — BN also renders `PlayProbability`'s
-branch **inverted**, so porting its rendering would have played sounds exactly
-when retail stays silent). Campaign:
-`docs/plans/2026-08-08-audio-parity-campaign.md`.
-
-## #354 — Spell-bar drag reorder did not work: lifting a favorite canceled the drag before the drop could land
-
-**Status:** CLOSED 2026-08-08 — user gate finding ("I should be able to
-rearrange spells on the spell bar. Like dragging one out and dropping it
-in another position. That does not work today"), diagnosed and fixed same
-session. Root cause: `SpellcastingUiController.BeginFavoriteDrag` performs
-retail's press-time removal (`gmSpellcastingUI::RecvNotice_ItemListBeginDrag`
-@0x004C7360 → `RemoveSpellFromMenu`, matching `PlayerModule::RemoveSpellFavorite`
-@0x005D4910) — correct and pre-existing — but that removal fires
-`SpellbookChanged`, and the very next per-frame `Tick()` (production drives
-this unconditionally via `RetailUiRuntime.Tick`) called `Rebuild()`, which
-flushes and recreates every favorite-bar cell (`UiItemList.Flush` →
-`RemoveChild`). `UiRoot`'s subtree-removal safety net
-(`ClearSubtreeOwnership`) cancels any drag whose source widget is
-destroyed — so the drag was silently canceled one frame after every lift,
-before the user could complete a drop. Empirically confirmed: a real-pointer-
-path test (`DragFavoriteOntoAnotherSlot_ThroughTheRealPointerPipeline_ReordersAndSyncsWire`)
-driving `UiRoot.OnMouseDown`/`OnMouseMove`/a mid-drag `Tick`/`OnMouseUp` fails
-with `screen.DragSource == null` against the pre-fix code, and passes after
-it. Fix (`SpellcastingUiController.cs`): defer the favorite-list rebuild for
-the whole drag gesture (`_favoriteDragActive`), and compensate the drop-time
-target index for the resulting stale sibling numbering by porting retail's
-own `SpellCastSubMenu::AddFavorite` @0x004C7060 index adjustment (decrement
-the target by one when the lifted item's original index was before it) —
-same insert-shift semantics `PlayerModule::AddSpellFavorite` @0x005D43E0's
-`InsertPos` already implements, now reachable through a live drag. Recorded
-as AP-172 in the divergence register (the mid-drag visual reflow now happens
-on release rather than continuously, final positions/wire are retail-exact).
-Tests: `SpellcastingUiControllerTests.cs` (the real-pointer-path reorder
-test + a payload-discriminator sabotage check confirming a spell-favorite
-payload is rejected by a physical `IItemListDragHandler`), `SpellbookTests.cs`
-(`SetFavorite`/`RemoveFavorite` insert-shift unit coverage). Wire golden
-bytes for `AddSpellFavorite`/`RemoveSpellFavorite` (opcodes 0x1E3/0x1E4) and
-`RuntimeCharacterState.TryAddFavorite`/`TryRemoveFavorite` were already
-covered and needed no change.
-
-**UPDATE 2026-08-08 (follow-up session, drop-ring gate finding):** the user's
-next gate finding — "Should be the green ring indicator where the spell icon
-should land, like in retail" — is implemented. Retail's mechanism (grepped and
-byte-confirmed): the ring is a per-cell authored slot STATE, not a synthetic
-overlay — `SpellCastSubMenu::OnItemListDragOver` @0x004C5990 sets the shared
-UIItem prototype's `m_elem_Icon_DragAccept` child (element 0x1000045A, bound in
-`UIElement_UIItem::PostInit` @0x004E1870, catalog LayoutDesc 0x21000037) to
-`ItemSlot_DragOver_Accept` (UIStateId 0x10000040 → authored art 0x060011F9)
-whenever the dragged payload carries a spell id; leave resets to
-`ItemSlot_DragOver_Normal` 0x1000003F @0x004E1438. Wired through
-`UiCatalogSlot.DragOverAcceptance` (the catalog port of retail's per-list drag
-handler) → the shared `UiItemSlot.DrawDragAcceptOverlay`. Two corrections
-landed with it: (1) the accept/reject UIStateId labels were SWAPPED in
-`UiItemSlot`/`InventoryController` comments and in the 2026-06-16 / 2026-07-13
-research docs (art-per-semantic was always right; polarity pinned by paperdoll
-`AutoWearIsLegal` @0x004A3AC9/0x004A3AEB, `VendorSellUI` @0x004C2327/0x004C2336,
-DatReaderWriter's `UIStateId` enum, and the 2026-06-25 layout dump); (2) a real
-off-by-one in #354's drop path: the `-1` adjustment double-corrected the
-empty-tail cell's live-count-clamped index, landing a lifted non-last favorite
-second-to-last instead of last — retail's adjustment is gated on
-`RemoveSpellFromMenu`'s return (@0x004C7157), which is `-1` (no adjustment) at
-drop time because the spell left the live list at lift. `FavoriteDropIndex` is
-now THE one landing computation shared by the ring and the drop
-(discriminator-verified: the pre-fix computation fails
-`SpellFavoriteDrag_DroppedOnTheEmptyTail_AppendsAtTheEnd` with landed index 1
-vs 2). AP-172 narrowed + corrected in the same change-set. New tests: ring
-appears/tracks/survives-a-tick/clears-on-drop, empty-tail append, ring clears
-on leave + off-bar release keeps the lift removal, physical payloads stay
-neutral while both spell payload kinds ring.
-
-## #353 — Toolbar selected-object text: count field ignores authored HJustify; name field does not wrap to its authored two lines
-
-**Status:** CLOSED 2026-08-08 — user-passed ("Ok slider bar looks ok!" + the wrap confirmed); the OneLine routing fix (4cfcc8b3) completed it. (RightAligned on the authored HJustify=2 entry; two stacked centered one-line labels wrapping at the authored 140 px via WrapNameTwoLines).
-User gate findings (pre-existing, not vendor-introduced). The authored
-toolbar layout 0x21000016 is decisive: the stack-count entry 0x100001A3
-is X=0 Y=13 W=50 H=14 **HJustify=2 (right)** — flush against the slider
-0x100001A4 at X=50 Y=13 W=90 H=14, same row — but `UiField` has no
-justify support, so the number renders at the left edge (the user's
-screenshot). The name field 0x100001A2 is W=140 **H=31 (two lines)**;
-`UiField` already has WrappedLine machinery but the name widget renders
-one line, so long names overflow instead of breaking at the authored
-140 px. Fix: honor HJustify in UiField (right-justify the text run) and
-engage two-line wrap for the name element per its authored extent —
-wrap threshold is the authored PIXEL width, not a character count.
-
-## #352 — Vendor range-watcher cylinder metric: discriminating unit test deferred
-
-**Status:** OPEN (filed 2026-08-08). The EnforceRange cylinder-gap fix
-(acceptance-band self-close, vendor-verify-gate.log evidence) landed with
-the existing 17-range/lifecycle tests green but WITHOUT a unit test that
-discriminates cylinder-vs-center (needs an IPhysicsObjHost fake — 38
-members — bound via BindObjectTableHostResolver; center>radius while
-cylinder<=radius stays open, radii-sabotage closes). Write it next
-session; the live gate covered the behavior.
-
-## #351 — LandblockBuildOriginTests.FarLoad_StripsEnvCellsAndPhysics flake (Debug, load-sensitive)
-
-**Status:** CLOSED 2026-08-09 (`c6bc2bf7`). NOT a flake and NOT timing —
-the "load-sensitive" framing was wrong: it failed deterministically on
-EVERY Debug `dotnet test` run since the test landed (`090b0354`
-introduced the test and the tripwire in the same commit; the
-parallel-agent-load correlation was just that Debug runs are rare — the
-gate config is Release). Mechanism: the test feeds a far-tier factory
-returning Near payload on purpose to prove the strip safety net, but
-`LandblockStreamer.HandleJob` is documented "fail loud in Debug builds
-and strip in Release" — its `Debug.Assert` fires on exactly that input,
-the VSTest host translates the assert into a thrown
-`DebugAssertException` (its message says so verbatim) instead of killing
-the testhost, and the worker catch folds it into a `Failed` completion,
-so `Assert.IsType` fails. Release compiles the assert out
-(`[Conditional("DEBUG")]`) and strips — hence "never reproduces in
-clean-room Release". Fix: the test now pins BOTH halves of the
-config-divergent contract via `#if DEBUG` (Debug expects the loud
-`Failed` carrying the assert text; Release keeps the strip assertions).
-Production code unchanged; LandblockBuildOriginTests 11/11 in both
-configs.
-
-## #350 — Render-shadow ledger overflow after 2h42m: lifetime int counters in a never-reset accumulator
-
-**Status:** FIXED IN TREE 2026-08-08 (pending clean-room + landing).
-**Evidence:** `vendor-buy-gate.log` ~1606 — checked OverflowException in
-`RenderSceneShadowRuntime.Add` from `UpdateFrameOrchestrator.Tick`, exit 82,
-2h42m into a SINGLE world generation (login 20:28 -> crash 23:10, one
-`[world-reveal] generation=1`, no portal).
-
-**Mechanism (investigated, vendor coupling REFUTED):**
-`_cumulativeApply` sums nine int fields once per tick for the lifetime of a
-world generation and is never reset in place (production has zero Clear()
-call sites; only generation replacement constructs a fresh runtime).
-`SynchronizeActiveSources` feeds per-entity churn from TWO call sites per
-frame; at uncapped frame rates a long session's ordinary churn crosses
-int.MaxValue. Introduced `0eb66485` (2026-07-24) with the class's OTHER
-lifetime counters already ulong/long — only these nine were undersized.
-The vendor materializer was exonerated by routing analysis: shop-item
-Ingest/Remove reaches inventory deltas only, never the render journal;
-the correlation was that buy-gate testing produced the first multi-hour
-single-generation soak.
-
-**Fix:** widen `RenderDeltaApplyResult`'s nine fields to long (the
-per-tick builder stays int and widens implicitly); arithmetic stays
-checked. No clamp, no reset-behavior change — the counters are
-legitimately unbounded lifetime telemetry that was simply undersized.
-
-## #348 — Render-loop death by Win32 cursor-handle exhaustion: Silk recreates the native cursor on every alternation
-
-**Status:** FIX IN TREE (2026-08-08) pending the vendor-gate relaunch.
-**Evidence:** `vendor-gate.log` — `Silk.NET.GLFW.GlfwException: PlatformError:
-Win32: Failed to create cursor: Not enough memory` thrown from
-`RetailCursorManager.ApplyGlobal` inside `RenderFrameOrchestrator.Render`,
-exit 82 after ~minutes standing at a Holtburg vendor NPC. (The clean
-single-exception stack instead of masked shutdown noise is #343's fix
-working as designed.)
-
-**Mechanism:** `RetailCursorManager`'s dedup only suppresses a STEADY
-cursor. Any per-frame alternation between two cursor states — the pick
-cursor flickering between kinds while hovering an ANIMATED NPC whose
-moving parts cross the cursor ray, exactly the "stand at a vendor"
-posture — reassigns `ICursor.Image` every flip, and Silk's GLFW backend
-creates a fresh native Win32 cursor per assignment without reusing the
-old ones. ~10,000 flips exhausts the USER-object quota and CreateCursor
-dies. Earlier same-day sessions (slope gates) never crashed because
-nobody hovers an animated NPC for minutes while moving.
-
-**Fix (root cause):** `GlfwCursorCache` — one `glfwCreateCursor` per
-distinct cursor media for the process lifetime (retail's own shape: it
-loads each MediaDescCursor once), O(1) `glfwSetCursor` per switch,
-rejected media cached as permanent misses, disposal destroys all.
-`RetailCursorManager.AttachNativeWindow` opts in when a native GLFW
-window exists; tests and windowless hosts keep the Silk path.
-
-## #32 — CLOSED 2026-08-07: local edge-slide fixed at `332045c7`, USER-PASSED on its first genuine live run
-
-**"Yes works now."** — the user at the Rithwic cliff, on the first launch that
-actually contained the fix (assembly identity printed in the capture:
-`acdream/src/AcDream.App/bin/Release/net10.0/AcDream.Core.dll`).
-The player now slides along the rim instead of running off.
-
-The fix is the `set_contact_plane` / `init_contact_plane` split
-(`COLLISIONINFO::set_contact_plane` @0x00509d80 writes the contact group only;
-`CTransition::init_contact_plane` @0x0050e850 seeds both), gated by
-`Issue32LastKnownContactPlaneTests` (sabotage-verified pair + control).
-Remote half was closed 2026-08-04 at `204d0ae0`; with this, the issue's
-edge-slide family is done. **Register: AD-67 filed in the closeout commit** —
-the narrowed setter still writes `ContactPlaneCellId`, which retail writes only
-in `init_contact_plane` (@0x0050e8ca); acdream's callers rely on the current
-cell id.
-
-**The blast-radius items from research §3.5 stay OPEN as watch items, now
-strictly more reachable than before the fix:** last-known validity is
-narrower, so `ValidateTransition`'s `StopVelocity` recovery and
-`transitional_insert`'s phase-3 reset take their last-known-INVALID branches
-more often. Nothing observed misbehaving in the passing session; check here
-first if slope-feel or landing regressions appear. Carried into Campaign S's
-S4 slice notes.
-
-**The three prior update entries below record a wrong-binary detour** (the fix
-was tested against a client that did not contain it) — retained as the record;
-their verdicts are void and superseded by this closure.
-
-## #32 UPDATE 2026-08-07, SECOND CORRECTION — the fix was NEVER IN THE TESTED BINARY; every conclusion in the entry below is void
-
-**Root cause of the contradiction: two checkouts and a relative launch path.**
-The Bash shell (edits, builds, byte-checks) worked in the MAIN repo. The
-PowerShell shell (every client launch) had its working directory pinned to the
-`resume-session-e0bd03e1-d5bf45` WORKTREE, and the launch command uses the
-relative `src\AcDream.App\AcDream.App.csproj` — so every post-merge launch ran
-the worktree's binary, built 08-06 22:35, which contains #333 but neither the
-#32 fix, `InitContactPlane`, nor any #338 probe. Byte-proof: the worktree's
-`AcDream.Core.dll` has 0 occurrences of both strings; the main repo's has both.
-
-Consequently:
-- **"The fix did not change the live behaviour" is VOID.** The fix was not
- present. The byte-identical capture is the EXPECTED result of re-running the
- old code, and says nothing about the fix.
-- The probe silences and the unconditional self-report's silence are all the
- same fact: the instrumented binary never ran.
-- The 26,358-write attribution table below is a capture OF THE OLD BINARY. Its
- line numbers map to old source. It remains useful as pre-fix baseline data
- and nothing else.
-- **#32's fix at `332045c7` returns to UNTESTED status, awaiting its first
- actual live run.** The suspected body round-trip loop (seed-from-body /
- write-back-to-body) remains a real question to check IF the genuine fix
- still fails — but there is currently no evidence against the fix at all.
-
-**Process rule, added to the stale-artifacts memory: a multi-checkout session
-must launch by ABSOLUTE project path, and the first line of any A/B run's log
-must print the loaded assembly's path** (`typeof(PhysicsEngine).Assembly.Location`)
-so binary identity is in the capture itself, not inferred afterwards.
-
-*The entry below is retained as the record of the error.*
-
-## #32 UPDATE 2026-08-07 — the set_contact_plane split is NECESSARY BUT NOT SUFFICIENT [VOID — see above]
-
-**The fix at `332045c7` did not change the live behaviour.** Re-run at Rithwic
-with the same probe produced a **byte-identical** capture: six
-`branch2/steep-cliffslide` events, `curN = lastN = (-0.954,0.000,0.301)`,
-`angle=0.0000`, `apply=False`, outcome `degenerate-cross/last-known`. The user
-still falls straight through the edge.
-
-**The commit is not wrong and is not reverted.** It genuinely restores retail's
-setter split (`COLLISIONINFO::set_contact_plane` @0x00509d80 writes the contact
-group only) and is sabotage-verified by `Issue32LastKnownContactPlaneTests`.
-It closes one writer. It is simply not the writer that matters here, and the
-research's Section 7 — which enumerated `SetContactPlane`'s 13 call sites —
-did not consider the one below.
-
-### What the caller-attributed capture shows
-
-`ACDREAM_PROBE_CONTACT_PLANE=1`, writers of `LastKnownContactPlaneValid`:
-
-| writes | caller |
-|---|---|
-| 26,358 | `PhysicsEngine.ResolveWithTransition` |
-| 278 | `PhysicsEngine.ResolveWithTransition` (second site) |
-| 30 | `Transition.ValidateWalkable` |
-| 3 | `FlatBspQuery.StepSphereDown` |
-
-The only last-known writes in that method are `PhysicsEngine.cs:2041-2044` —
-**`check_contact`'s FAILURE branch**, which seeds
-`ci.LastKnownContactPlane = body.ContactPlane`.
-
-### The loop this suggests — NOT YET PROVEN
-
-`PhysicsEngine.cs:2041-2044` seeds `ci.LastKnown` FROM `body.ContactPlane` at
-the start of a resolve, and `PhysicsEngine.cs:2168-2174` writes
-`body.ContactPlane` FROM `ci.LastKnownContactPlane` at the end of one. The
-plane therefore round-trips through the body between frames. If the steep face
-enters that loop once, it persists — and `SetContactPlane` no longer needs to
-latch anything for `cliff_slide` to see `lastN == curN`.
-
-**That is a hypothesis built on a line-number mapping, and the line numbers are
-from an optimised Release build where inlining makes attribution approximate.
-Do not act on it without confirming which of the two branches actually runs.**
-
-### ⚠ BLOCKER — resolve this BEFORE trusting any probe result in this area
-
-An **unconditional** one-shot `Console.WriteLine` placed at the top of
-`ResolveWithTransition` (`PhysicsDiagnostics.AnnounceStepHeightProbeOnce`)
-printed **zero times** in a run where that same method is attributed 26,358
-plane writes. Both cannot be true.
-
-Candidate explanations, none verified:
-1. The running process loaded `AcDream.Core.dll` from somewhere other than
- `src/AcDream.App/bin/Release/net10.0/` — the byte check confirmed the probe
- string is in THAT copy, not that the process loaded it.
-2. The caller attribution's method name is wrong (it comes from a stack walk,
- which an optimised build can misattribute after inlining), so the 26,358
- writes are from a different method entirely.
-3. Something resets the one-shot flag, or the write goes to a stream not
- captured by `Tee-Object`.
-
-**Settle this with a check that cannot be explained away** — e.g. print
-`typeof(PhysicsEngine).Assembly.Location` at startup — before doing any more
-work on #32 or #338. Three conclusions were drawn from probe silence in this
-session and all three were premature; the instrument must be trusted before its
-output is.
-
-### #338 is blocked on the same thing
-
-`[step-h]` has now been silent through two placements. Same blocker, same
-resolution.
-
----
-
-## #347 — Steep-slope glide alternation — CLOSED 2026-08-08: RETAIL DOES THE SAME; the "half-rate" premise was a wrong inference
-
-**The round-2 cdb capture (`345-glide-stacks.cdb.log`) closes this without
-a code change.** During the glide window retail fired ~145 edge_slide
-entries per ~100 find_transitional_position calls — ~1.5 per player tick,
-which is EXACTLY the arm/move alternation's signature (3 entries on the
-arming tick, 0 on the moving tick). cliff_slide ran in strict lockstep,
-step_down at ~2.5x edge (our 2-probe plan + edge's internal call), step_up
-0, and the six stack samples show the identical call path
-(transitional_insert -> find_transitional_position -> CPhysicsObj::
-transition). Combined with cliff_slide's arms being byte-identical across
-ACE/acdream/the raw binary (compare constant at 0x794610 verified 0.0) and
-the user's side-by-side observation ("I cant detect any speed change from
-retail"), the conclusion is that retail alternates exactly as we do —
-dig-retries included. The original "retail redirects within the tick"
-premise came from misreading the round-1 counters (set_sliding_normal's
-cadence is per-event, not per-tick, so its 1:1 ratio with edge never
-discriminated anything). AD-70 is retired as a wrong inference, not fixed.
-The alternation-tolerant assertion in `Issue345SteepSlopeGlideTests` is
-the CORRECT retail-shape pin and stays. Consequence for #269: the hope
-that a within-tick port would explain the slope-slide feel residual is
-withdrawn — #269 keeps its original "needs a live cdb A/B trace" plan.
-
-**Original filing (premise since refuted):**
-With #345 fixed, the glide works but alternates in a strict two-tick cycle:
-the arming tick absorbs the whole request while the edge response sets the
-sliding normal ((0.707,-0.707,0) on the conformance fixture), and only the
-NEXT tick's `AdjustOffset` pre-projection consumes it and moves (+0.115,
-+0.115 per moving tick on the 45-degree fixture) — then the clean move
-clears the normal and the cycle repeats. Fixture trace: 14 of 30 post-
-crossing ticks stuck, positions advancing every other tick
-(`Issue345SteepSlopeGlideTests` + the deleted Scratch345 dump, 2026-08-08).
-Retail instead redirects WITHIN the tick: the live cdb profile
-(`345-retail-glide.cdb.log`) fired `edge_slide`/`cliff_slide` 594 times
-EACH in lockstep with `set_sliding_normal` 538 over a ~15 s glide — every
-30 Hz tick, which an alternation would halve — so retail's
-`transitional_insert` re-enters the redirected offset in the SAME
-transition and yields motion every tick. Ours ends the transition on the
-arming tick with zero yield. The fix lives in the edge-family response
-semantics (`EdgeSlideAfterStepDownFailed` and the insert's continuation
-after an applied edge constraint) — deliberately NOT touched by the #345
-landing (fresh AD-66 in the same block; the Campaign S response-layer
-landings all user-gated). Net user-visible effect: gliding along a steep
-face at ~half retail's lateral speed; direction and angle-scaling correct.
-If the #345 in-game gate reports "slides but slower than retail," this is
-the mechanism, already filed.
-
-## #345 — Walking angled into a too-steep slope: 100% of input eaten with an UP collision normal, no slide — CLOSED 2026-08-08 (in-game glide gate PASSED: "Well it works, we are sliding. I cant detect any speed change from retail")
-
-**Dual Opus review verdicts: CONFIRMED-FAITHFUL (conformance, independent
-byte re-decode incl. the stack-slot frame arithmetic and every ret site) and
-SAFE (blast radius, truth-table instrumented: exactly one row moves; the
-placement/teleport family proven immune via mover-flag grep + the
-RuntimeSetPositionMoverPreparationTests pin; independent five-angle sabotage
-table, monotone angle→lateral 10°–85°). Named non-blocking residuals, all
-retail-consistent or filed: the placement-arm REJECT→ACCEPT flip at
-DoStepDown's final insert and the Collide-branch re-test (retail's
-validate_walkable is insert-type-agnostic — same behavior, untested
-topology); the other-cell ValidateWalkable site has zero fixture coverage
-(a neighbouring-cell steep fixture would close it); projectiles (no
-EdgeSlide flag) resting on a steep face commit below-plane instead of
-pushing out (retail-mover-agnostic, narrow); and ACE SHARES the misport
-server-side, so NPCs/remotes may show lateral drift-then-snap at steep
-terrain until the next UpdatePosition — name that mechanism before
-misdiagnosing any future remote-prediction report. AD-71 (mutable
-WalkableAllowance operand) filed the same session.**
-
-**FIX (one conditional return, byte-proven):** retail's
-`OBJECTINFO::validate_walkable` @0x0050d010 initializes its return slot to
-OK (`0x0050d025: mov [esp+0xc], 1`) and assigns ADJUSTED only INSIDE the
-below-plane guard, immediately after the push executes (`0x0050d249`,
-after `add_offset_to_check_pos`). The guard-fail path — grounded mover,
-OnWalkable, plane too steep (`0x0050d1b9 je 0x50d251`) — skips the
-contact write, the push, AND the Adjusted assignment: retail returns OK
-and simply IGNORES the steep plane at primary validation, letting the
-insert proceed so the step-down phase fails and the edge family produces
-the glide. ACE flattened this into an unconditional `return Adjusted`
-(`ObjectInfo.cs:169`) and we inherited it — the dead loop was our
-`TransitionalInsert` retrying the byte-identical Adjusted forever.
-`ValidateWalkable`'s below-plane arm now scopes the return exactly as the
-bytes do. Evidence chain: the live cdb glide profile (594 edge/cliff
-lockstep, step_up=0), the capstone byte-decode
-(`docs/research/2026-08-08-345-d0-branch-pin.md`), the D0 implementer's
-correct STOP (synthetic fixtures reproduced the stuck fingerprint while
-faithfully executing the ACE-shaped reading — refuting the reading, not
-the code), and the discriminating conformance fixture (in-cell diagonal
-split, flat+steep triangles sharing one cell — sabotage red with the
-exact stuck position; the cell-boundary topology does NOT discriminate
-and is pinned as supplementary). Residual: #347 (half-rate alternation).
-
-**Original report:** OPEN — HIGH (user-felt, capture-backed). **A/B COMPLETE, same
-morning: PRE-EXISTING, not a campaign regression.** The pre-campaign binary
-(d4e956b4, built in a throwaway worktree, same recorder, same slope, same
-protocol) shows the identical signature — eleven consecutive 2-second windows
-of sustained ~30 m requested with 0.0% yield (`uphill-AB-precampaign.jsonl`).
-Campaign S is exonerated wholesale; the defect is older and was simply never
-noticed before the user's slope attention this week. **MECHANISM CAUGHT 2026-08-08 (`345-mechanism.log`, ACDREAM_DUMP_TRANSIT_FAIL):**
-275 uniform player stuck ticks. Per tick: the run step's target puts the
-sphere's foot point **0.268 m BELOW a too-steep plane** (`N=(0.799,0.050,0.599)`,
-N.z just under FloorZ 0.664); `ValidateWalkable`'s below branch returns
-**Adjusted** (push-up) on EVERY transition attempt — and every attempt reports
-the IDENTICAL `dist=-0.26801`: **the adjustment does not carry forward between
-attempts.** env/building/objects phases all OK each attempt; ~6 attempts per
-tick; attempts exhaust; the transition fails and restores the original
-position. Zero yield. (`oiContact=True, spStepDown=False, guardPassed=False`
-on every line — the morning's `collN=(0,0,1)` comes from the failure path's
-result-filling, not from ValidateWalkable's guard, which never passes here.)
-
-### D0 VERDICT, same day — the fingerprint IS retail's own algorithm; the fix attempt STOPPED itself
-
-The fix implementer's mandatory pseudocode pass traced all five links from
-the named decomp (addresses in
-`docs/research/2026-08-08-345-pseudocode.md`) and found the mechanism
-paragraph above named the right symptom with the WRONG cause: the below-push
-never executes at all (its guard is `step_down || !OnWalkable || walkable`,
-and the player IS OnWalkable on the flat approach — the probe printed the
-SetCollisionNormal guards, not this one); `Adjusted` retrying the whole
-insert from scratch is retail-identical (`transitional_insert` @0x0050b6f0);
-and `validate_transition` @0x0050aa70 on failure kills velocity, restores
-the flat plane, DEFAULTS the collision normal to (0,0,1), reverts CheckPos,
-and forces OK — producing every field of the captured fingerprint from
-retail's own code. **Stopping dead here may simply BE retail.**
-
-**RETAIL OBSERVED 2026-08-08 — THE AXIOM: "it glides, faster the more angle
-you run towards it."** The user ran the comparison in their retail client:
-angled approaches GLIDE laterally along the steep hillside, scaling with
-approach angle; perpendicular stops. acdream stops dead at every angle. The
-divergence is CONFIRMED — and since D0 proved the RESPONSE path faithful
-line-by-line, the divergence is UPSTREAM of it: the movement request's shape
-when it reaches the transition (retail's sub-step/walk_interp progression?),
-the broadphase/cell question, or state seeding. Next step is the designated
-Step -1 tool: attach cdb to the PDB-paired retail client at that exact slope
-and trace validate_walkable @0x0050d010 / transitional_insert @0x0050b6f0 /
-adjust_sphere_to_plane @0x00538210 WHILE the glide happens — the diff
-between retail's live inputs and ours in the same scenario IS the answer.
-
-### LIVE RETAIL TRACE 2026-08-08 — the glide IS cliff_slide, firing every tick; the divergent branch is pinned
-
-cdb attached to the PDB-paired retail client while the user glided the
-45-degree protocol (`345-retail-glide.cdb.log`): `edge_slide` and
-`cliff_slide` fired **594 times each, in lockstep** (~30/s through the glide
-windows) with `set_sliding_normal` tracking at 538; **`step_up` fired ZERO
-times**; `adjust_sphere_to_plane`/`walkable_hits_sphere` zero (outdoor
-terrain walkables go through `validate_walkable` only). Ours in the same
-scenario: the edge family fired 18 times total and the stuck ticks
-dead-looped on insert retries without reaching it.
-
-**The divergence, exactly:** retail's `transitional_insert`, when the
-walkable validation refuses the steep plane, proceeds INTO the
-step-down-failed/edge_slide path on every tick — the D0 pass's
-"Adjusted just retries from scratch" reading missed the branch retail
-actually takes here. Ours retries the insert without entering the edge
-family, exhausts attempts, restores. The fix target is that one branch in
-our `TransitionalInsert` against retail's @0x0050b6f0, with the edge-entry
-anchors already mapped in the #32 research (step-down-failed at
-~0x0050b8xx-0x0050b921). The response machinery downstream is already
-proven faithful AND live-healthy (this morning's 18 firings all applied
-clean constraints).
-
-**The two prior validations (both now resolved — the user's observation
-answers 1 and mandates 2's runtime session):**
-1. **The cheapest decisive test needs no debugger: the USER walks their
- RETAIL client into a comparable just-too-steep hillside at ~45° and
- reports slide vs dead stop.** Their expectation of sliding is currently
- the only evidence against retail-faithfulness.
-2. If retail visibly slides: the remaining suspect is UPSTREAM of the
- walkable response — whether retail's `find_cell_list` broadphase even
- queries the steep cell from this position (the pseudocode doc's open
- question) — a runtime question for the cdb toolchain, not code-reading.
-
-**The fix contract's question (superseded by the verdict above, retained):** what does RETAIL's
-transitional_insert do with validate_walkable's Adjusted on a non-walkable
-plane — does the adjusted CheckPos feed the NEXT attempt (convergence), or
-does retail take a different branch entirely (slide/collision) instead of
-re-adjusting from scratch? Grep-named-first targets:
-`OBJECTINFO::validate_walkable`'s callers, `CTransition::transitional_insert`'s
-attempt loop and its use of the adjusted check position, and the
-`walk_interp` bookkeeping. The non-carry between attempts is the defect
-candidate; do not touch the #331/#32/AD-65 machinery.
-**Filed:** 2026-08-08 morning, from the user's report ("I stop instead of
-sliding") + a directed 45-degree capture.
-
-**Measured** (`uphill-45deg-capture.jsonl`, 3,098 player resolves; the
-protocol held 45-deg-left / 45-deg-right / perpendicular for ~10 s each at the
-Rithwic steep face, cell 0x2F32003B):
-- Both ANGLED directions: **0.0% yield** across sustained ~30 requested
- metres per 2 s window — the LATERAL component dies too, which retail's
- slide-along would preserve.
-- The 838 stuck ticks are uniform: `slidingNormal=(0,0,0)` (NOT the #331
- absorb), carried contact = nearly-flat ground `(-0.083,0.083,0.993)`
- (~6.8 deg — not the steep face), `transient=0x3` (Contact|OnWalkable),
- and the resolve returns `collisionNormalValid=True` with
- **`collN=(0,0,1)` — straight UP** — position byte-identical in/out.
-- The steep face itself was reached only 18 times all session
- (`uphill-slide-capture.log`), every one taking branch2 cliff-slide with a
- HEALTHY constraint (`ok/last-known, apply=True`, lastN=(0,0,1) — the #32
- retention visibly working). The stop happens UPSTREAM of the face.
-
-**What it is NOT (measured):** not the sliding-normal absorb (no latch); not
-the cliff-slide degeneracy (#32 fixed and visibly healthy); not the steep
-face's own rejection (barely reached).
-
-**Suspect space for the A/B, in order:** the step-up/step-down recursion on
-the approach terrain (an UP collision normal with zero displacement is the
-step-down-refusal shape); AD-65's away-arm snap interacting with near-flat
-normals on the approach; something older that the user only now noticed.
-DO NOT theorize past the A/B — this family has burned four
-reasoned-from-source diagnoses.
-
----
-
-## #346 — `PortalProjectionTests.ProjectToClipLease_ReusesPooledWorkWithoutResultArrays` is a SIXTH load-sensitive flake
-
-**Status:** OPEN. LOW. Allocation-count assertion, passed in isolation and on
-two subsequent full runs. Same FILE as #302 but a DIFFERENT test — filed
-separately per the never-conflate rule.
-**Filed:** 2026-08-08, observed during #344's suite runs.
-
-**2026-08-16 recurrence (Campaign #409 tooltip review-fix round).** The Opus
-reviewer of `a377b9bf` hit this same assertion failing TWICE under
-full-solution load, unrelated to any #409 tooltip code; passes standalone
-26/26. Joining the same running known-flake set the CC7 gate row already
-names (`docs/plans/2026-08-15-character-creation-campaign.md`, CC7 row) for
-Core.Net `NakEmissionTests.LossSoak_...` / Content `DecodedTextureCacheTests`
-/ App `SocialPanelLiveMountProbeTests.ProbeLiveMountShapes` /
-`RuntimeCollisionReportingStateTests.WarmedSteadyContactRefreshDoesNotAllocate` —
-a full-solution gate hitting exactly one of these five allocation/timing-
-sensitive tests, with a clean standalone or immediate-rerun pass, is this
-known class, not a new regression.
-
----
-
-## #344 — Mid-teleport crash: world-frame owners disagree during a long portal into a dungeon
-
-**Status:** FIXED 2026-08-08 — defer-don't-crash, discriminated on the
-canonical transit authority. `TryEnsureAgreesWithRuntimeFrame` defers (the
-materializer's existing "not yet" outcome) when
-`RuntimeWorldTransitState.IsTeleportActive`, and STILL THROWS otherwise —
-the #283 invariant stays loud for genuine corruption, and the sabotage run
-proved the discriminator's removal reddens the original #283 tests, not
-just the new ones. The retry ride is `OnLandblockLoaded`'s re-attempt loop,
-whose ordering GUARANTEES agreement on retry: the recenter coordinator
-calls `Recenter` before `TryCommitOriginRecenter` unblocks new landblock
-loads (verified at source at landing). Entity projected exactly once,
-never dropped. Clean-room suite 11,261/6/0.
-
-**Original filing:**
-
-**Status (original):** OPEN — HIGH, user-hit during live play 2026-08-07 evening.
-**Filed:** 2026-08-07 (`339-fix-gate.log`, full stack).
-
-During a long-distance portal into dungeon landblock `0x5A48`, entity
-materialization threw unhandled on the render path:
-`InvalidOperationException: World-frame owners disagree: Runtime centre
-(90,72) vs streamed origin (240,126) while projecting landblock 0x5A4801C2.
-That offsets the entity by (-28800m,-10368m) from its geometry.` —
-`LiveWorldOriginState.EnsureAgreesWithRuntimeFrame:80` ←
-`DatLiveEntityProjectionMaterializer.TryMaterialize:166` ←
-`LiveEntityHydrationController.ProjectExact`.
-
-**Two halves, keep them separate:**
-1. The GUARD IS CORRECT — it refused to project an entity 28.8 km from its
- geometry. Do not weaken it.
-2. The RACE is the defect: during teleport recentre, the Runtime frame moved
- to the destination while the streamed origin still held the source, and a
- spawn projection ran in the window. The fix is ordering (defer projection
- until the streamed origin recentres, the same family as AD-64/#324's
- parallel inbound routes), and the failure mode should be a deferred
- retry, not an unhandled render-thread crash.
-
-The user's report ("weenie error 0x04a7") is the crash dialog for this
-exception. Same session validated the #339 fix (zero overflows) and the
-relaunch logged in INSIDE the destination dungeon cleanly — the race is
-mid-flight-teleport-only. Next-session queue: #344, #343, then S4b/S6.
-
----
-
-## #343 — Shutdown after a wounded render loop: Silk Reset called inside the render loop, exit 82
-
-**Status:** FIXED 2026-08-08. Root cause pinned by IL-decompiling Silk:
-`ViewImplementationBase._inRenderLoop` is cleared only on a frame callback's
-NORMAL return, so a throwing callback leaves it armed forever and the
-disposal's `Reset()` throws. The fix mirrors that bracket exactly
-(`GameWindow._renderLoopArmed`, deliberately not cleared in a finally),
-and `ReleaseNativeWindow` defers when armed: best-effort `Close()`, no
-`Dispose()`, new terminal status `CompleteWithDeferredNativeRelease` with
-`Error` kept null so the ORIGINAL wounding exception remains the primary
-report. Sabotage-verified; healthy paths byte-unchanged. Clean-room suite
-11,262 passed / 6 skipped / 1 failed = #340's documented flake, which
-passed standalone (its second recorded firing).
-
-**Original status:** OPEN. LOW-MEDIUM — only reachable after a render-frame exception
-(#339's crash was the trigger), but it turns a diagnosable failure into an
-`AbandonedIncomplete` shutdown. `GameWindowLifetime.ReleaseNativeWindow:294`
-calls `ViewImplementationBase.Dispose` → `Reset` while the render loop is
-formally still active. Fix belongs with the #339 remediation session.
-**Filed:** 2026-08-07 evening, from `session-b-dungeon.log`.
-
----
-
-## #341 — AD-66's landing is blocked by an unexplained measurement flip — CLOSED 2026-08-08: relanded under its gate, 10/10 bit-identical
-
-**The third reland passed the ten-run stability gate 10/10 bit-identical
-(0x42667451), with the recalibrated golden's every value measured and
-derived, sabotage discriminating, and the clean-room suite 11,267/4/0 (the
-two AD-66 skips retired).** AD-66's register row is retired; the historical
-flip stands recorded as unexplained-but-unreproducible. AD-69 remains the
-one follow-up in that block. Pending: the user's hover-look slope gate.
-
-**Status:** OPEN — HIGH priority for the next physics session; the fix itself
-is byte-proven, the BLOCKER is that the measurement chain contradicted itself.
-**Filed:** 2026-08-07 (overnight), at the S4 landing split.
-
-Retail's `adjust_offset` safety push-out uses the BARE sphere radius in both
-its trigger and its `zDist` numerator (byte-anchored twice in AD-66's register
-row). Landing that in `Transition.AdjustOffset` made exactly one suite test
-fail — `RuntimeRemoteUphillProgressTests.AnExactlyUpSlopeOffsetIsAbsorbedByThePersistedSlidingNormal`,
-the #331 absorb characterization pin — and the attempt to recalibrate it
-produced OBSERVATIONS THAT FLIP WITH THE SHAPE OF THE TEST'S POST-TICK
-ASSERTS, which is not physically possible for honestly-measured stored state:
-
-| test-code variant (identical code before/during the 5 absorbed ticks) | observed Z after ticks | runs |
-|---|---|---|
-| original exact-latch `Assert.Equal(latched, body.Position)` | latched + 0.0798 (LIFT) | implementer's suite run + 6 consecutive runs + 1 more after restore |
-| recalibrated: compute `restingLift` from `body.ContactPlane` post-tick, then component asserts | latched exactly (NO lift) | 1 run (version A) + 4+ runs (version C) incl. a full bin/obj clean-room |
-
-Both shapes were run against binaries proven to contain the AD-66 fix (the S4
-conformance exact-value tests passed in the same clean-room). 0.0798 m =
-`0.48 * (1/cos31° − 1)`, the delta between the two resting heights, so BOTH
-outcomes are physically coherent stories — the problem is that the same
-binaries told both.
-
-### LIVE A/B, 2026-08-07 morning — the user's slope run settles the stakes
-
-`341-slope-capture.jsonl`, 3,870 player resolves at Rithwic (landings on the
-face, uphill holds, traversal, standing): of **2,955 contact-seeded ticks**,
-the RETAINED trigger (`dist < r*N.z - eps`) fired **0** times — the current
-push-out is completely inert in ordinary play — while retail's BARE trigger
-(`dist < r - eps`) **would have fired on 2,471 (84%)**, with per-fire lifts of
-2 mm to 88 mm (p50 27 mm). The body demonstrably rests at its natural
-distance `r*N.z` every grounded slope tick, so the bare-radius port is not a
-quiet conformance fix: it would engage on virtually every slope step and
-fight whatever plants the feet back on the surface — the per-tick
-oscillation the original substitution's author described ("fires spuriously
-on every slope… flickered the Falling animation").
-
-**The REAL question this exposes sits one level upstream:** our grounded
-placement plants the sphere centre VERTICALLY above the surface (perpendicular
-distance `r*N.z`), and if retail's walkable contact instead rests the sphere
-TANGENT to the plane (perpendicular distance `r`), then retail's bare trigger
-is inert in retail for the same reason ours is inert here — and porting the
-trigger without the placement geometry imports a fight retail never has. That
-retail-side resting geometry is UNVERIFIED either way and is now the first
-task of the apparatus session (grep/decompile retail's walkable placement:
-does step_down/find_walkable leave perpendicular-r or vertical-r?). It also
-offers a mechanical suspect for the harness flip below: the two assert shapes
-plausibly differ in what settle state the harness left (`r*N.z` vs `r`),
-which is test-ORDER state, not physics.
-
-### MECHANISM RESOLVED, same morning — the trigger and the resting geometry are one family
-
-`CPolygon::adjust_sphere_to_plane` @0x00538210 (pseudo-C 322032, **cross-
-confirmed in Ghidra**, which restores Binary Ninja's garbled denominator: the
-solve is `t = (dist ∓ r) / dot(N, stepDir)`, a ray-vs-plane interpolation to
-the point where the sphere's PERPENDICULAR distance to the walkable plane
-equals the RADIUS, sign per approach side, guarded by ±F_EPSILON on the
-denominator and a [−0.5, walk_interp) window on the fraction) — the sphere
-rests TANGENT to the slope. Two independent decompilers now agree. Consequences, closing the loop on the live A/B:
-
-- **Retail:** tangent rest (perp = r) makes the bare-radius trigger
- (`dist < r − ε`) structurally INERT — equality minus epsilon. No fight, no
- oscillation. The visible corollary: retail characters' feet float
- vertically above a slope by `r·(secθ − 1)` — 2.7 cm on a 31° slope, ~20 cm
- near the walkable limit — which matches AC's known slope look.
-- **acdream:** planted rest (feet on surface, perp = r·N.z) makes OUR
- retained trigger structurally inert here for the same reason. Each engine's
- trigger matches its own resting geometry; both pairs are internally
- coherent, and the live A/B's 84% fire rate is what happens when you mix
- retail's trigger with our placement.
-- **Therefore AD-66 is NOT a standalone row.** The faithful unit is the PAIR:
- tangent placement + bare trigger, ported together — or our pair kept
- together as one deliberate divergence. Porting either half alone
- manufactures a fight neither engine has.
-- The harness flip's suspect is strengthened: a tangent-rest start is stable
- under the bare trigger, a planted start lifts once — which of the two the
- harness settle leaves is plausibly order-dependent test state.
-
-**RE-DECIDED 2026-08-07 night (S4b's D0 STOP fired and REFUTED the tangent-
-placement premise):** retail's `OBJECTINFO::validate_walkable` @0x0050d010 is
-PLANTED (vertical foot point) for every normal mover — Ghidra + BN + ACE all
-agree, and acdream's ValidateWalkable is ALREADY a byte-faithful port; only
-the IsViewer/camera branch is tangent. The coherent retail mechanism is
-therefore PLANT-THEN-LIFT: validate_walkable plants, adjust_offset's
-bare-radius push fires once per settle and raises the body to tangent
-equilibrium (dist=r), where BOTH checks go quiet — the slope float comes
-from the PUSH, not the placement, exactly as the original AD-66 code
-comment's "retail itself has the spurious lift" argued. The 84% live fire
-rate measured the trigger against our push-disabled planted steady state;
-post-fix, bodies settle tangent on first contact and the trigger goes
-silent. The user's "port the retail pair" therefore maps to RELANDING
-AD-66's bare radius ALONE (validate_walkable and adjust_sphere_to_plane
-need nothing), and the #341 flip now has a mechanical story: whether the
-harness's settle had already performed the one-time lift is order-dependent
-state, which is what the assert-shape correlation was reflecting.
-Byte-pin doc: `docs/research/2026-08-07-s4b-validate-walkable-bytepin.md`.
-
-**Original decision record:** **DECIDED 2026-08-07 by the user: "port the retail pair."** Tangent resting
-placement + bare-radius trigger land TOGETHER as one slice (S4b), gated by
-the user's eyes on a slope. The slice must first establish WHERE our planted
-rest comes from (the live capture's r*N.z rest was measured on outdoor
-TERRAIN — the prime suspect is the outdoor ground placement rather than the
-ported BSP walkable solve, which should already be tangent if the port of
-@0x00538210 is faithful). AD-69's seam-frame correction rides along.
-
-### RELAND ROUND 2, 2026-08-07 night — the flip survives a same-session ABA; property reads ruled out
-
-The bare-radius reland ran its ten-run protocol: round 1 was STABLE-WITH-LIFT
-(10/10 identical, delta 0.07976 = the predicted formula). The recalibrated
-golden's FIRST run then showed NO lift, and a same-binary same-session ABA
-nailed it:
-
-| assertion shape after the identical Tick(5) | observed Z |
-|---|---|
-| original one-line `Assert.Equal(latched, body.Position)` | 57.61359 — LIFTED |
-| 3 float compares + a live `ContactPlane.Normal.Z` read first | 57.53383 — NOT lifted |
-| same 3-compare shape, read replaced by a HARDCODED constant | 57.53383 — NOT lifted |
-| reverted to the original one-liner, same session | 57.61359 — LIFTED again |
-
-The physics completes before any of this code runs; no async in the path;
-the hardcoded-constant control kills the property-side-effect hypothesis.
-What remains is codegen-shape sensitivity: the test method's IL shape
-plausibly changes JIT inlining/tiering of the settle/tick chain it calls,
-and SOMEWHERE in that chain a computation sits on an exact float boundary
-that decides whether the one-time lift happens during the HARNESS SETTLE
-(→ absorbed ticks latch exact) or on the first absorbed tick (→ observed
-lift). Finding that boundary is the investigation; until it is found and
-made robust, AD-66 stays withheld — the stop clause fired twice and the
-production tree is unchanged. Do NOT attempt a third reland without first
-locating the boundary-sensitive computation (per-tick instrumented settle
-trace, tiering pinned via DOTNET_TieredCompilation=0 as the first
-discriminating experiment: if the flip vanishes with tiering off, the
-boundary is real and the fix is making the trigger robust to it).
-
-### BOUNDARY HUNT RUN, 2026-08-08 — the flip is NOT REPRODUCIBLE; the reland is unblocked
-
-37 measurements: original assert shape, the reconstructed round-2 ABA shape,
-an in-place hot-swap of the method tail, under default tiering,
-`TieredCompilation=0`, and `TieredCompilation=0 + TieredPGO=0 + ReadyToRun=0`
-— every run bit-identical (`0x42667451`, the stable lifted 57.61359). The
-divergence never appeared once, so neither confirmation nor literal
-refutation of the codegen hypothesis was possible: **the anomaly is not
-currently reproducible via the assert-shape mechanism in this tree.** Most
-likely: same-day physics commits moved the settle off the knife edge, or the
-original divergence was session-environment-specific; the original flipping
-code was described but never preserved byte-for-byte.
-
-**Rule amendment:** the "no third reland before the boundary is found"
-guard's INTENT was "never land on a flipping measurement." The measurement
-no longer flips — at 37 runs, nearly 4x the gate's required depth. The
-reland proceeds under its original ten-run gate, with the historical flip
-recorded as unexplained-but-unreproducible rather than resolved. If the
-flip EVER reappears during the reland's gate, the old rule snaps back in
-full force.
-
-**Hypotheses deliberately NOT chased at 04:00:** a property-read side effect
-(reading `body.ContactPlane` between tick and assert — should be impossible);
-xUnit execution-order/parallelism interacting with harness or engine state;
-JIT/tiering differences by method shape; yet another artifact-staleness vector
-not covered by bin/obj deletion. **Next session: instrument the scenario
-itself** (per-tick position prints inside the test, a matrix of assert-shape ×
-clean-room state), per `feedback_apparatus_for_physics_bugs` — three
-contradictory reads means apparatus, not a fourth guess.
-
-Until resolved: the AD-66 production code is REVERTED to the radius*N.z
-substitution (comment block at the site names this issue), its two exact-value
-conformance tests are `[Skip]`-ed with pointers here, and the register row
-stays ACTIVE. **The byte evidence was never the open question — do not
-"resolve" this by re-deriving it a third time.**
-
----
-
-## #342 — `Issue265SteepSlopeCaptureBisectTests.cs:920` is a tautology: `Assert.Equal(x.Z > 0.01f, x.Z > 0.01f)`
-
-**Status:** OPEN. LOW — a dead assertion that can never fail, in the
-steep-slope family Campaign S leans on. Found by the S4 review (F8),
-out of that slice's scope. Fix = recover the intended comparison from the
-test's context, not just delete.
-**Filed:** 2026-08-07.
-
----
-
-## #340 — `StreamingWorkBudgetTests.DestinationAndEmptyUnloadPriorityNeverBypassPublicationBudget` is a FIFTH load-sensitive flake
-
-**Status:** OPEN. LOW.
-**Filed:** 2026-08-07 (overnight), first observed in a clean-room full-suite
-run; passes standalone immediately after. Distinct from #302, #308, #321 and
-#336 per the never-conflate rule. Same class: load-sensitive, deterministic in
-isolation.
-
----
-
-## #339 — Stuck in portal space / at login: the reveal never becomes ready — MECHANISM CAUGHT 2026-08-07 evening, full stack
-
-**BREAK: the crash is caught.** The Session-B gate launch reproduced the hang
-at LOGIN (cell 0xA8B4002F, all readiness flags False forever) and this time
-the log carries an unhandled `System.OverflowException` with a full stack:
-
-```
-ObjectMeshManager.PrepareMeshDataAsync (ObjectMeshManager.cs:1028 region)
- <- EnsureRenderDataReady:1302
- <- WbMeshAdapter.IsRenderDataReady:340
- <- LandblockSpawnAdapter.IsLandblockRenderReady:147
- <- GpuWorldState.IsRenderReady:180
- <- StreamingController.IsRenderNeighborhoodResident:280
- <- WorldRevealReadinessBarrier.Prepare:142
- <- WorldRevealCoordinator.PrepareAndEvaluate:188
- <- RuntimeRenderFrameLivePreparation.Prepare
-```
-
-**The defect:** `PrepareMeshDataAsync` line ~1082 does
-`checked((uint)id)` on the Setup/GfxObj arm. EnvCell GEOMETRY ids are packed
-64-bit; they are supposed to take the EnvCell arm via `_envCellDescriptors`.
-`EnsureRenderDataReady` (line 1302) reaches the fallback when the id is
-**owned but descriptor-less**: the release path (`~line 712`) removes the
-descriptor while resident render data parks on the LRU; a re-acquire restores
-ownership, but nothing re-registers the descriptor until a full EnvCell
-prepare is re-requested. A readiness probe arriving in that window falls into
-the 32-bit cast and the OverflowException rides the RENDER FRAME path —
-after which the reveal is never evaluated again. Demote-then-revisit
-ordering explains the intermittency and why the same destination passed
-twice earlier: the window only exists after an evict/re-acquire cycle.
-
-**Status: FIXED 2026-08-07 evening, LIVE-VALIDATED the same night.** The fix
-is the type-dispatch correction, not a suppression: `EnsureRenderDataReady`
-now answers "not yet" for a packed id in the acquire→prepare window (the
-scheduler's `PrepareEnvCellGeomMeshDataAsync` re-registers the descriptor on
-the same landblock build, so not-ready is the true answer, not a dodge), and
-`PrepareMeshDataAsync` converts the blind checked cast into a typed, loud
-invariant failure naming the id kind and this issue. Validation: the crash
-was DETERMINISTIC at login cell 0xA8B4002F (two consecutive hard failures);
-with the fix, the same login revealed cleanly and a full play session
-(16,585 entities, five portal generations, the Session-B dungeon gate) ran
-with zero overflows and zero guard fires. The original design note below is
-retained; the "band-aid" candidates it names remain rejected — this fix
-corrects the dispatch, it does not swallow the error.
-
-**Original status: mechanism established; ROOT-CAUSE FIX NOT YET DESIGNED.** The fix
-is NOT "catch the exception" and NOT "skip 64-bit ids" (band-aids both):
-the acquire/re-request ordering must make owned-implies-descriptor an
-invariant again, or EnsureRenderDataReady must legitimately re-request the
-EnvCell prepare from its own retained request data. Next session designs it
-against the acquire path (`_ownership` acquire sites vs descriptor
-registration at line 965). The S1B/S2 landings are NOT implicated — neither
-touches this pipeline, and the readiness signature predates both (the
-original filing below).
-
-**Also spun off this crash: #343** — the shutdown after the wounded render
-loop threw `InvalidOperationException: You cannot call Reset inside of the
-render loop!` (`GameWindowLifetime.ReleaseNativeWindow:294`), exit 82,
-`status=AbandonedIncomplete, blocked=native window`. Secondary, filed
-separately below.
-
-**Original filing:**
-
-## #339 (original) — Stuck in portal space: the destination reveal generation never becomes ready
-
-**Status:** OPEN — observed live 2026-08-07, evidence captured. **Not chased**;
-user directed it be fixed later.
-**Severity:** HIGH when it fires — the session is unrecoverable without closing
-the client. The player never leaves portal space.
-**Component:** streaming / world reveal (NOT physics — see below).
-
-### What the log shows
-
-`session-a2.log`, generation 2, destination cell `0x3032001C` (landblock
-`0x3032`, Rithwic):
-
-```
-245: world-reveal event=begin gen=2 kind=Portal cell=0x3032001C render=False composites=False collision=False ready=False
-246: world-reveal event=readiness gen=2 kind=Portal cell=0x3032001C radius=12 render=False composites=False collision=False ready=False
-265: world-reveal event=wait-cue elapsedMs=5004 (AP-150's five-second arming)
-285: world-reveal event=cancel gen=2 render=False composites=False collision=False ready=False
-```
-
-**The three readiness flags never flipped.** `render`, `composites` and
-`collision` are False at `begin` and still False at `cancel` — the destination
-never completed, so `complete` and `world-visible` never fired and the wait cue
-sat there until the user closed the client. The `cancel` at line 285 is the
-shutdown, not a recovery.
-
-### What makes this worth a separate issue
-
-**The same destination succeeded twice in the previous session.** In
-`session-a.log`, generations 2 and 3 both teleported to this exact cell
-`0x3032001C` and both reached `world-visible`. So it is not a permanently
-broken landblock — it is intermittent, which is the harder shape.
-
-### NOT established
-
-- **Whether it is related to the #32 fix landed minutes earlier.** The user
- called it unrelated and mechanically that is very likely right: #32 changes
- `CollisionInfo`'s per-transition contact-plane writes, while the `collision`
- flag in these lines is the *prepared-collision publication* for the
- destination landblock — a different subsystem on a different thread. But
- "very likely" is not "established", and this fired on the first run after
- that change. **Reproduce once on a binary WITHOUT #32 before ruling it out**;
- that is one A/B run, far cheaper than being wrong.
-- Which of the three flags is the blocker, or whether all three stall on a
- common upstream dependency. The readiness line reports them together and
- nothing here separates them.
-- Whether it is the same class as **#280's D-1** (the unrecoverable portal hang
- found and fixed at the C5c review). D-1 was a reveal-gate hang with the same
- visible symptom. If this is D-1 recurring, that is a regression in a fix
- already accepted; if it is a second mechanism with the same symptom, it needs
- its own name. **Do not assume either.**
-
-### Related
-
-AP-149 / AP-151 (reveal-gate strictness versus retail's prefetch predicate),
-AP-150 (the five-second wait-cue arming, which is what produced line 265),
-#280 and its D-1 fix.
-
----
-
-## #338 — The player resolves with stepUp/stepDown 0.400 where Setup 0x02000001 authors 0.600 / 1.500
-
-**Status:** CLOSED 2026-08-07 — **headline REFUTED by full-capture statistics;
-the residual is AD-68, an async-residency placeholder, not a wiring defect.**
-
-The three-site probe (`ACDREAM_PROBE_STEP_HEIGHTS=1`) answered everything in
-one run:
-
-```
-site=prepare stepUp=0.600 stepDown=1.500 authored=(0.600,1.500) scale=1.000
-site=publish stepUp=0.600 stepDown=1.500 localEntityId=1000002
-site=resolve stepUp=0.400 stepDown=0.400 onGround=False <- once, early
-site=resolve stepUp=0.600 stepDown=1.500 onGround=True <- the whole session
-```
-
-The probe is edge-triggered per site, so the single early 0.400 followed by
-0.600/1.500 with no further change means the steady state carried the authored
-values for the entire session — including the passing #32 cliff test.
-Re-reading the ORIGINAL `337-support.log` that motivated this filing, with
-statistics instead of an eyeball: the authored pair appears **111,248** times,
-the 0.400 pair **358** times. The filing was built on an early line of a
-255k-line capture; the mechanism it alleged (values never wired to the mover)
-does not exist.
-
-**What the 358 actually are — AD-68.** `GetSetupMoverShape` returns a
-placeholder (empty spheres -> legacy capsule, 0.4/0.4 steps) while an entity's
-flat Setup is not yet resident; the local player has the same seconds-long
-window between controller construction and publication-candidate adoption
-(`CommitRuntimeOwnedController`). Retail loads synchronously and has no such
-window. The early 0.400 in tonight's capture was most plausibly a REMOTE
-player in that window — remotes also carry the IsPlayer mover flag, which is
-why the probe now prints the mover id (`feedback_probe_identity_attribution`).
-
-**What the filing was still worth:** it caught three false doc-comment claims
-in `PlayerMovementController` (retail "~0.4 m" twice; a
-`PlayerModeController.ApplyStepHeights` writer that never existed — corrected
-to the real writer chain), pinned retail's actual fallback (0.04, not 0.4,
-`CTransition::step_up` @0x0050b655), and produced AD-68's register row for a
-previously unregistered adaptation.
-
-**No production behaviour changed at this closure — there is nothing to
-verify in a live gate.**
-
-**Original filing below, retained for the record.**
-
-**Status (original):** OPEN
-**Severity:** unknown until measured, plausibly medium. A 1.5 m step-down is
-what keeps a mover attached to a descending slope; 0.4 m is not, so this is a
-candidate contributor to descent/edge feel — but that link is NOT established
-and must not be assumed.
-**Filed:** 2026-08-06, spotted in the #337 `[support]` capture while chasing a
-different defect. Deliberately not chased there: it does not cause the Neftet
-wedge, and folding it in would have made that fix unfalsifiable.
-**Component:** physics / movement.
-
-### The observation
-
-The human Setup `0x02000001` authors `StepUpHeight = 0.600` and
-`StepDownHeight = 1.500`. The live `[support]` probe lines show the player
-resolving with `stepUp=0.400 stepDown=0.400`.
-
-### ANSWERED 2026-08-06 — retail DOES read the authored field, so this is real
-
-The gating question is closed. `CTransition::step_up` @0x0050b610
-(`acclient_2013_pseudo_c.txt:273109-273117`):
-
-```
-0050b655 float step_up_height = 0.0399999991f; // fallback
-0050b661 if ((this->object_info.state & 2) != 0) { // <- the gate
-0050b665 OBJECTINFO::get_walkable_z(this);
-0050b671 step_up_height = this->object_info.step_up_height; // authored
- }
-0050b6ba CTransition::step_down(this, step_up_height, arg2)
-```
-
-`step_down` has the same shape at `0x0050b852` (default `0.04`, conditional
-substitution) and reads the authored value unconditionally at `0x0050c232`,
-where it is then halved against the sphere radius if it exceeds a diameter.
-
-**Two facts fall out of this, and the second is the more useful one.**
-
-**(1) The fallback is `0.04`, not `0.4`.** Our value matches neither retail's
-fallback nor the authored `0.600`/`1.500`. It is an order of magnitude above
-retail's fallback and well below the authored value.
-
-**(2) `state & 2` is `OnWalkable`** in our own `ObjectInfoState`. So retail
-applies the authored step height ONLY while standing on walkable ground, and
-drops to `0.04` otherwise. **We already port that gate correctly** —
-`Transition.DoStepUp` (`TransitionTypes.cs` ~5836) is a faithful copy,
-including `stepDownHeight = oi.StepUpHeight`, which reads oddly but is exactly
-what retail passes. **The gate is not the defect. Only the VALUE fed into it
-is.**
-
-### Where the 0.4 comes from — mapped, with one hop unproven
-
-- `PlayerMovementController._stepUpHeight` / `_stepDownHeight` are
- **initialised to `0.4f`** (`PlayerMovementController.cs:159-160`).
-- The `StepUpHeight` property's own doc comment says the authoritative source
- is the player's `Setup.StepUpHeight`, set by
- **`PlayerModeController.ApplyStepHeights`**. **That method does not exist
- anywhere in the tree** — the identifier appears exactly once, inside that
- comment. Either the wiring was removed and the comment survived, or it never
- landed.
-- **Remotes and live entities are NOT affected.** They get Setup-derived
- values: `LiveEntityMotionRuntimeController.cs:321`
- (`setup.StepUpHeight * scale`, falling back to `0.4f`) and
- `RuntimeSetPositionMoverPreparation.cs:180`. The local player is the odd one
- out — which is the population that matters, since it is what the user feels.
-
-**NOT ESTABLISHED, and must be before any fix.** There IS one real writer:
-`RuntimeLocalPlayerPhysicsPublicationState.cs:215-216` assigns from
-`command.Physics.StepUpHeight`, and that command is built by
-`RuntimeSetPositionMoverPreparation` — which *does* compute the Setup-derived
-value. So the plumbing exists. Whether it runs for the local player, or runs
-and is then overwritten, is unproven; the live probe reading `0.400` says the
-controller held its default at that moment, not why. **Print the controller's
-two values at world entry and at the first resolve before changing anything.**
-A fix that sets the field without knowing which path won will be a coin flip.
-
-### Remaining open question
-
-- Whether it has any observable consequence. Do not open this by reasoning
- from the source; the #337 lineage already burned two diagnoses that way.
-### Related
-
-Sits next to #32 (local-player cliff edge-slide), which has its own research
-at `38db9fff` and needs a live `ACDREAM_DUMP_EDGE_SLIDE=1` capture before a
-fix. If both turn out to touch descent feel, do NOT bundle them — they have
-different mechanisms and need separate gates.
-
----
-
-
-## #337 — Neftet rock plateaus: wedged at the top, jumps sink into the mesh, corpses fall through — FIXED, awaiting live acceptance
-
-**Status:** FIXED 2026-08-06 by #333's fix — the query-site broadphase reach
-filter is **deleted**, because retail has none. Awaiting the user's live
-acceptance at the Neftet plateau; the offline gate is
-`Issue333BroadphaseReachFilterTests.OffCentreBspFloorStopsAFallingMover`,
-sabotage-verified (restore the filter and it falls straight through to the
-unobstructed height while the centred control keeps passing).
-
-The mechanism, proven offline 2026-08-06, is **#333**: the per-object broadphase in
-`Transition.FindObjCollisionsInCell` measures to the shadow entry's part
-ORIGIN and compares against the BSP ROOT BOUNDING SPHERE's radius. Those are
-23.6 m apart for `0xC8766009` / `gfx=0x01004751`, so a mover on the plateau is
-rejected before the query it would have passed. Retail has no such filter
-(`CPartArray::FindObjCollisions` @0x00518180 and
-`CPhysicsPart::find_obj_collisions` @0x0050d8d0 verified instruction-by-
-instruction on the PDB-paired binary). `0xC8766002`, the owner with 11,014
-`tested-ok` and zero hits, is **innocent** — its geometry is 22.8 m away.
-Full evidence + the proposed fix:
-[`docs/research/2026-08-06-337-neftet-wedge-mechanism.md`](research/2026-08-06-337-neftet-wedge-mechanism.md).
-Reproducer + offline replay:
-`tests/AcDream.Core.Tests/Physics/Issue337NeftetRockGeometryInspectionTests.cs`.
-Its installed-DAT evidence row is
-`TheOldBroadphaseMeasuredToTheOriginAndSoRejectedGeometryItStoodOn`, which pins
-BOTH halves of the diagnosis for this rock — origin-measured distance outside
-the old budget, centre-measured distance comfortably inside the same radius.
-The production gate is the separate DAT-free
-`Issue333BroadphaseReachFilterTests`.
-
-**Historical framing below is superseded by that document** — in particular
-"the mesh never collides" was true only of the innocent neighbour, and both
-the wrong-transform and BSP-traversal-hole hypotheses are refuted by
-measurement.
-**Severity:** HIGH — walk-through, fall-through, and a hard movement stop on world geometry.
-**Filed:** 2026-08-06, user-reported in live play after #334's fix landed.
-**Component:** physics / collision — possibly geometry data rather than movement code.
-
-### Symptoms, all from the user in live play
-
-1. Walks **up** a rock face onto a plateau fine, then **cannot pass at the top** — wedged, position frozen.
-2. Jumping is **"swallowed half way by the rock"** — the body sinks into the visual geometry.
-3. **A monster corpse falls straight through the rock.**
-
-Symptom 3 is the load-bearing one. A corpse is a plain physics body with no
-player-specific movement logic, so a fall-through there cannot be explained by
-anything in the player's controller.
-
-### What is already RULED OUT
-
-`ACDREAM_PROBE_REACH` (`334-fix-gate.log`, and the earlier
-`334-neftet-probe.log`). At the frozen position: `blocked=0`, and **every**
-candidate returns `tested-ok` — including the landblock's own rock mesh
-`gfx=0x010046DE` in cell `0x8766002B`. **No object is blocking the player.**
-That probe can only see shadow objects, so it has ruled out its own domain and
-can say nothing about terrain or the transition.
-
-Two diagnoses have already been refuted by measurement on this defect's
-lineage: the broadphase reach filter (#333/AP-158) and the edge-slide family.
-Do not open a third by reasoning from the source.
-
-### The remaining candidates — and what is NOT yet established
-
-- **(a) terrain** is what supports/blocks the body (walkable slope limit,
- step-up refusal, terrain Z).
-- **(b)** a **collision mesh placed somewhere other than its visual**, so the
- body interacts with geometry that is not where the rock is drawn.
-- **(c)** the **transition wedging** despite an unobstructed path.
-
-(b) is the current working hypothesis and is **NOT ESTABLISHED**. It is
-plausible — a corpse falling through and a jump sinking in are both what
-absent-or-displaced collision looks like — but no measurement supports it yet,
-and the instruments below were built to REFUTE it, not to confirm it.
-
-Possibly relevant, possibly coincidence: landblock `0x8766` carries the
-**largest single collision owner in the game**, an 81-cell (9×9) footprint
-measured during #334 — larger than anything else by a wide margin.
-
-### Instruments (2026-08-06 — TEMPORARY, strip with the physics-probe family)
-
-`ACDREAM_PROBE_RESOLVE` alone does **not** separate (a), (b) and (c): it prints
-a three-value contact-plane token, no plane normal, no plane height, no terrain
-sample and no plane provenance, so all three candidates produce the same line.
-Two additions close that:
-
-- **`ACDREAM_PROBE_SUPPORT=1`** → `[support]` + `[geom]`.
- - `[support]`, one per resolve **per body** (players AND corpses): samples the
- outdoor terrain independently at the body's own out-XY and prints the
- contact plane's own height at that same XY. `support=terrain` /
- `support=object` / `support=none` is then a measurement, not an inference,
- and `cpSrc=` names the code site that wrote the plane so provenance and
- classification cross-check each other.
- - `[geom]`, once per GfxObj that comes near the mover: compares the object's
- physics-BSP vertex cloud against its visual mesh AABB in the same local
- frame. `verdict=coincident` **refutes (b)** for that object outright;
- `no-physics-bsp` / `empty-physics-bsp` / `displaced` / `extent-mismatch`
- each name a specific data defect.
-- **`ACDREAM_WIRE_MESH=1`** upgrades the existing F2 collision overlay from a
- broadphase proxy cylinder to the objects' real physics-BSP polygon edges
- (cyan) beside their visual mesh boxes (magenta) and the terrain surface
- (yellow). Settles "visual versus collision" by eye.
-
-### How to read the capture
-
-| Observation | What it means |
-|---|---|
-| `[geom] verdict=no-physics-bsp` or `empty-physics-bsp` on the rock | The rock has **no collision geometry**. All three symptoms follow; nothing on the movement side needs explaining. |
-| `[geom] verdict=displaced` | **(b) confirmed.** Fix the placement/registration transform. |
-| `[geom] verdict=coincident` on every nearby object | **(b) refuted.** The cause is (a) or (c); read `[support]`. |
-| `[support] support=terrain` while standing on the visible plateau | (a): terrain, not the rock, is the support — terrain Z near the plateau top is the thing to look at. |
-| `[support] support=object` with `cpAboveTerr` ≈ the plateau height | The rock IS supporting the body; the wedge is (c). |
-| `[support] stalled=true ok=true` with `cpWalkable=true` | (c): the transition accepts the move and advances nothing. |
-| `[support] support=none` on the corpse throughout its fall | Nothing ever contacts it — consistent with absent collision, and `[geom]` says whose. |
-| **No `[support]` line at all** for the corpse's guid while it visibly falls | The client is not simulating that body — the descent is server-driven or presentational, and the client-side collision path is not the place to look. An absence here is a real answer, not a gap in the capture. |
-| `[support] cpWalkable=false` at the freeze | Slope-limit refusal — compare `cpNz` against `floorZ` on the same line. |
-
-## #335 — The INDOOR half of retail's part-array `find_transit_cells` is not ported: an EnvCell neighbour is admitted on a SPHERE test where retail uses a BOX
-
-**Status:** CLOSED 2026-08-07 (Campaign S S1B). The indoor part-array arm is
-ported (`CellTransit.FindTransitCellsBox`), dual-reviewed PASS, sabotage-
-verified, with the box-vs-cell BSP traversal in both representations under a
-pinned 20,000-comparison installed referee. **The severity line below
-("over-inclusive only... never a missed one") is RETIRED with the port:** at
-production shape ratios the box legitimately exceeds the sphere (whole-vertex
-AABB vs physics-polygon root sphere), and the measured sweep shows the
-loaded-neighbour gate ADDING a cell the sphere test missed (1 in 950
-production-ratio placements) — retail-correct in both directions. Remainders
-(building bridge with its inverted portal-side convention, both its traps
-byte-settled; the one-ULP WhichSide tie) live in the narrowed AP-159 row.
-
-**Original entry:**
-
-**Status (original):** OPEN
-**Severity:** low. Over-inclusive only — extra broadphase candidates indoors, never a missed one. The opposite direction (the outdoor half) was #334 and is closed.
-**Filed:** 2026-08-06, at the #334 fix.
-**Component:** physics / cell membership
-**Register row:** AP-159.
-
-#334 ported `CPhysicsObj::find_bbox_cell_list` @0x00510fc0 and the OUTDOOR arm of the part-array `find_transit_cells` it dispatches to (`CLandCell::find_transit_cells` @0x00533840 → `add_all_outside_cells` @0x00533360 → `add_cell_block` @0x005331d0). The INDOOR arm of that same dispatch is still acdream's sphere traversal.
-
-**What retail does** (`CEnvCell::find_transit_cells` @0x0052cae0, disassembled from the PDB-paired 2013-09-06 binary), per portal × per part:
-
-1. cheap reject: the part's `CGfxObj::physics_sphere` centre through `Position::localtolocal` (`0x0052cb5a`), tested against the portal plane with `eps = F_EPSILON + radius` (`0x0052cb65`);
-2. on pass, the ADMITTING test is box-vs-plane: `CPhysicsPart::GetBoundingBox` @0x0050d600 (`0x0052cbdd`) → `BBox::LocalToLocal` @0x005b1e60 (`0x0052cbf9`) → `Plane::intersect_box` @0x005aa170 (`0x0052cc05`);
-3. if the side differs from `portal_side`: `other_cell_id == 0xFFFFFFFF` (`0x0052cc1e`) sets the “leads outside” flag; otherwise `CCellPortal::GetOtherCell` @0x0053ba30 (`0x0052cc2b`) — a THISCALL on the portal record (`ecx` set at `0x0052cc18`) taking ONE explicit argument, `cellarray->do_not_load_cells` (`0x0052cc27 mov eax,[edi+4]`; the CELLARRAY layout is +0 `added_outside`, +4 `do_not_load_cells`, +8 `num_cells`, +0xc `cells`, cross-checked against `find_bbox_cell_list`'s `0x00510fc8`/`0x00510fcf` zeroing and `add_all_outside_cells`' `0x0053336c` read of `[arg3]`). That RESOLVES the #334 contract's open question 11.4 in the AFFIRMATIVE — the flag IS threaded through, as the single explicit argument, not omitted. Then `BBox::LocalToLocal` into the destination and `CCellStruct::box_intersects_cell` @0x00533910 → `BSPTREE` @0x0053c880 gates the add (`0x0052cc5a`);
-4. after all portals, the outside flag runs `add_all_outside_cells` (`0x0052ccea`).
-
-**What acdream does:** `CellTransit.BuildShadowCellSetFromParts`'s indoor arm calls `FindTransitCellsSphere` with the per-part BSP root spheres (`ShadowObjectRegistry.BuildBspPartSpheres`), i.e. step 1's cheap reject used as the admitting test. Same for the outdoor building bridge (`CEnvCell::check_building_transit` @0x0052c5d0).
-
-**Why it was deferred rather than folded into #334:** closing it needs a BOX traversal of the containment BSP in BOTH the graph (`BSPQuery`) and the production flat (`FlatBspQuery`) representations, plus their exact referee — a separately gateable change with no bearing on #334's outdoor defect, and one that no #334 gate would exercise. Adding ~150 lines of unverified geometry under a green-but-uncovering test is the failure mode this campaign has now hit ten times.
-
-**Files:** `src/AcDream.Core/Physics/CellTransit.cs` (`BuildShadowCellSetFromParts` indoor arm, `FindTransitCellsSphere`); `src/AcDream.Core/Physics/ShadowObjectRegistry.cs` (`BuildBspPartSpheres`).
-
----
-
-## #333 — The shadow broadphase reach filter measures from the PART ORIGIN, so an off-centre BSP part can be in the right cell and still never be tested
-
-**Status:** FIXED 2026-08-06 — **the filter is deleted, not re-centred.**
-Re-centring it would have kept an invention retail does not have; the
-disassembly below establishes that retail walks the cell's shadow list
-unconditionally. Cell membership IS retail's broad phase, and the BSP walk's
-own root-node bounding-sphere test — correctly centred, which is exactly what
-this filter was not — is the early-out that made a second one unnecessary.
-**AP-158 is retired** by the same commit.
-
-This closes **#337** (the Neftet plateau: wedged at the top, jumps sink in,
-corpses fall through), whose mechanism this is.
-
-**Gates.** `Issue333BroadphaseReachFilterTests` drives the production path
-end-to-end (`ResolveWithTransition` → `FindObjCollisionsInCell` →
-`CollisionTraversal`) on a DAT-free fixture so it runs everywhere, and is
-sabotage-verified as a discriminating pair: restore the `maxReach` pre-check
-and `OffCentreBspFloorStopsAFallingMover` falls straight through to the
-unobstructed 37.800 while `CentredBspFloorStopsAFallingMover` keeps passing —
-so it cannot pass for the trivial reason that the fixture is unable to fall.
-
-**Perf, measured rather than assumed.** Deleting a filter costs whatever the
-candidates it used to reject now cost. Measured in Release on a synthetic
-all-BSP cell, per `ResolveWithTransition`:
-
-| candidates in cell | with filter | without | delta |
-|---|---|---|---|
-| 38 (the live max) | 10.61 µs | 16.68 µs | +6.07 µs (1.57×) |
-| 200 (5× worse than anything observed) | 17.34 µs | 39.48 µs | +22.1 µs (2.28×) |
-
-≈0.16 µs per additional candidate actually tested. The live population is the
-bound that matters: over 19,701 `[reach-q]` samples in the Neftet and outdoor
-captures (`334-fix-gate.log`, `334-neftet-probe.log`, `334-neftet.log`) the
-in-cell candidate count is **p50 = 9, p99 = 32, max 38**. The 200-object row is
-included only to show the curve is linear, not to suggest it is reachable.
-
-**Severity (when open):** high for the tall-prop population. It was the gate immediately
-downstream of the AP-156 membership fix, so that fix alone may not be enough to
-make the worst objects block.
-**Filed:** 2026-08-06 at the AP-156 fix (commit `b52967de`), which surfaced it.
-**Updated 2026-08-06** at the AP-156 fix review: the retail question below is
-now ANSWERED, and the filter has its own divergence row, **AP-158**.
-**Do NOT bundle with AP-156.** Different code path (collision query, not cell
-membership).
-
-### ANSWERED — retail has no distance pre-filter at all
-
-Disassembled from the PDB-paired binary (`C:\Users\erikn\Downloads\acclient.exe`,
-`check_exe_pdb.py` → MATCH, CodeView GUID `9e847e2f-777c-4bd9-886c-22256bb87f32`)
-for this update, not inherited from Binary Ninja:
-
-```
-CObjCell::find_obj_collisions @0x0052b750
- 0x0052b759 cmp dword [ebx+0x174], 2 ; sphere_path.insert_type
- 0x0052b765 je 0x52b7a0 ; INITIAL_PLACEMENT_INSERT -> return OK_TS
- 0x0052b773 mov ecx,[edi+0xc8] ; shadow_object_list.data
- 0x0052b77f mov edx,[ecx+0x40] ; physobj->parent
- 0x0052b784 jne 0x52b795 ; parented -> skip
- 0x0052b786 cmp ecx,[ebx] ; physobj == mover?
- 0x0052b788 je 0x52b795 ; self -> skip
- 0x0052b78b call 0x50f050 ; CPhysicsObj::FindObjCollisions — UNCONDITIONAL
- 0x0052b79e jb 0x52b773 ; loop, bound = [edi+0xc4]
-```
-
-Agrees with `acclient_2013_pseudo_c.txt:308916-308940`. **There is no distance
-test in the function.** So the `+ 2f` slack and the `movement.Length()` term are
-acdream's own invention, which is why AP-158 exists. For scale: retail's own
-cross-cell slack constant is `F_EPSILON` = `1.9999999e-4` — 0.2 mm, read at
-`0x0052cb5f fld dword [0x7c8c70]` — not 2 m.
-
-### Measured blast radius
-
-Over the installed `client_portal.dat`, by an independent scratch sweep outside
-the repo: **118 of the 477** unique physics-BSP GfxObjs have a root-sphere
-offset above the filter's roughly 2.5 m walking budget, and **46** above 5 m. At
-a test scale of 1.75 those offsets become 4.4 m and 8.75 m against an unchanged
-budget.
-
-### Consequence for the AP-156 connected gate — SUPERSEDED by the fix above
-
-*The caveat below applied while this issue was open. It no longer holds: the
-filter is gone, so AP-156's connected gate is now expected to show its benefit
-on tall props, and a null result there IS evidence against AP-156. Retained for
-the record.*
-
-**Tall props may show NO VISIBLE CHANGE at all until this issue is fixed, and a
-null result there is EXPECTED rather than evidence against AP-156.** AP-156 puts
-the geometry into the correct cell; this filter then discards it one layer down,
-for exactly the largest-offset objects AP-156's commit body points the user at.
-
-### The mechanism
-
-`src/AcDream.Core/Physics/TransitionTypes.cs:3756-3764`, the shadow broadphase:
-
-```csharp
-Vector3 deltaToCurr = currPos - obj.Position;
-...
-float maxReach = sphereRadius + obj.Radius + movement.Length() + 2f;
-if (distToCurr > maxReach)
- continue; // candidate discarded, never tested
-```
-
-`obj.Position` is the shadow row's PART placement —
-`entityWorldPos + rotate(shape.LocalPosition, entityWorldRot)` — while
-`obj.Radius` is the physics-BSP ROOT BOUNDING SPHERE radius, which is measured
-about that sphere's own centre, not about the part origin. AP-156 established
-that the two are frequently far apart: 376 of 973 installed physics-BSP parts
-have a root-sphere origin further from the part origin than half their own
-radius, worst 20.762 m on a 27.708 m sphere.
-
-Write `d` for the distance from part origin to the true sphere centre, `R` for
-`obj.Radius`, `r` for the mover's sphere radius. A mover just touching the
-geometry is `R + r` from the sphere's TRUE centre, hence up to `d + R + r` from
-`obj.Position`. The filter admits it only when
-`d + R + r <= r + R + movement + 2`, i.e. only when `d <= movement + 2`. Per
-physics tick the movement term is well under a metre, so any part whose root
-sphere sits more than about 2 m from its part origin can have a genuine contact
-discarded before `BSPQuery` ever runs.
-
-Worked case — Setup `0x02000255`, one part, root sphere
-origin `(0.000, -0.007, 9.911)`, radius `10.522`, `Setup.Height = 18.692`.
-`d = 9.911` against a budget of roughly 2.5 m. A player standing against the
-upper half of that prop is about 20.4 m from the part origin while `maxReach`
-is about 13.5 m. Discarded.
-
-### Why it matters now
-
-Before AP-156 those objects were usually not registered in the cell at all, so
-this filter never got the chance to reject them. AP-156 puts them into the
-correct cells; this filter is the next gate they hit. If the connected session
-finds a tall prop that still does not block after AP-156, look here first.
-
-### What to establish before fixing
-
-1. ~~Does retail have this pre-filter at all?~~ **ANSWERED above: no.** The
- register row is filed as **AP-158**. What remains open is a judgement call,
- not a research question: keep the filter as a deliberate optimisation with a
- correct measurement point, or delete it and walk the list as retail does.
- Deleting it is the retail-faithful option and should be costed first —
- `ShadowEntrySnapshot.Capture` already bounds the per-cell list.
-2. If it is kept, it must measure from where the geometry is: `ShadowEntry`
- needs the `BoundsCenter` that `ShadowShape` now carries, and `deltaToCurr`
- must be taken against `obj.Position + rotate(obj.BoundsCenter, obj.Rotation)`.
-3. Cylinder rows are unaffected (`BoundsCenter == Zero` by construction) — the
- change must not move them.
-
-### Test to write first
-
-A mover adjacent to an off-centre BSP part's geometry, with the part origin far
-outside `maxReach`. It must reach `BSPQuery`. Sabotage by restoring the
-part-origin measurement; it must go back to reporting no collision.
-
-## #332 — Headless bots appear to have no remote dead-reckoning at all
-
-**Status:** OPEN (observation, not yet established as a defect)
-**Severity:** for the headless owner to judge — it depends entirely on what
-headless bots are for.
-**Filed:** 2026-08-06, from the AD-10 blast-radius census.
-**Adjacent to #330** (headless registers no live-entity collision), but a
-separate mechanism.
-
-### The evidence
-
-`RuntimeRemotePhysicsUpdater` — the per-tick owner that advances every remote
-entity between server `UpdatePosition` bursts (interpolation catch-up, root
-motion, gravity, the collision sweep) — has exactly ONE production
-instantiation:
-
-```
-$ grep -rn "new RuntimeRemotePhysicsUpdater" --include=*.cs src/ tests/
-src/AcDream.App/Physics/RemotePhysicsUpdater.cs:46 <- only production site
-tests/AcDream.Runtime.Tests/Physics/... <- fixtures only
-```
-
-`src/AcDream.Headless/` contains no reference to `RemoteMotion`,
-`RemotePhysicsUpdater`, or `OrdinaryPhysicsUpdater`. The class is `internal` to
-`AcDream.Runtime` and reaches production only through `InternalsVisibleTo` into
-`AcDream.App`. So on the headless host remote entities would move only at
-`UpdatePosition` cadence — roughly 5 Hz teleport-stride — with no interpolation
-between bursts.
-
-### Why it is filed rather than fixed
-
-Whether this matters depends on what headless bots need to observe. A bot that
-only reads positions from the wire may not care; one that makes decisions from
-observed remote motion, or that is used as a second client in a two-client
-visual gate, would.
-
-### The reasoning trap it exposes, worth recording on its own
-
-`RemoteMotionCombiner` is in `AcDream.Core` and `RuntimeRemotePhysicsUpdater` is
-in `AcDream.Runtime`, so "therefore headless runs it too" is the available
-inference — and it is false. This is the C5b lesson running in the opposite
-direction: C5b's survey missed `AcDream.Headless` by only walking the graphical
-host's call graph, and the natural correction ("check Core and Runtime, those
-are shared") produces the wrong answer here. **Assembly placement is not
-reachability; the instantiation census is.** AD-10's closeout deliberately
-designed NO headless gate for that reason — a passing headless run would have
-been vacuous evidence.
-
----
-
-## #331 — an exactly-up-slope step is absorbed by the sliding normal a landing leaves behind (headline claim REFUTED; behaviour is retail-faithful)
-
-**Status:** DONE — settled 2026-08-06. Not a defect. The headline "refuses ALL
-uphill motion" is **false**; it was an artifact of an axis-aligned fixture
-driven by axis-aligned motion. Coverage added, fixture annotated.
-**Severity:** none as a defect. The mechanism below is real and reachable in
-production, but it is retail-faithful at the instruction level and already on
-the #137 DO-NOT-RETRY list.
-
-### The verdict
-
-`ResolveWithTransition` refuses a step whose **sub-step offset is exactly
-anti-parallel to a live sliding normal**, not uphill motion as such. On the
-same fixture, at the same gradient, with the same body:
-
-| per-tick root motion | cross-slope component | result over 5 ticks |
-|---|---|---|
-| `(0, -0.1, 0)` | 0 | zero movement, latched |
-| `(0.0001, -0.1, 0)` | 0.0001 m | zero movement, latched |
-| `(0.001, -0.1, 0)` | 0.001 m | **climbs 0.176 m**, latch clears on tick 1 |
-| `(0.01, -0.1, 0)` | 0.01 m | **climbs 0.176 m**, latch clears on tick 1 |
-
-The escape threshold is exactly retail's `F_EPSILON` small-offset abort: the
-adjusted offset must exceed 0.0002 m. At a 0.1 m sub-step that is a heading
-more than about 0.11° off the exact gradient — a ±0.11° window out of 360°.
-
-### The mechanism, end to end
-
-1. A landing (or the spawn settle that compresses it, `SpawnPlacementSettler`)
- reaches `OBJECTINFO::validate_walkable` with the OBJECTINFO `CONTACT` bit
- clear, so it calls `set_collision_normal` with the **terrain** plane normal.
- Verified in the PDB-paired binary: `0x0050d251 test byte ptr [ebp+4],1 /
- jne` then `0x0050d261 test eax,eax` (`step_down`) then
- `0x0050d26c call set_collision_normal`. acdream `TransitionTypes.cs`
- `ValidateWalkable` matches (`!oi.Contact && !sp.StepDown`).
-2. `CTransition::validate_transition` unconditionally converts it:
- `0x0050ac19 test eax,eax / 0x0050ac21 je / 0x0050ac30 call
- set_sliding_normal`. acdream matches.
-3. `COLLISIONINFO::set_sliding_normal` (`0x0050a060`) zeroes Z **and
- re-normalizes**, so even a 1° slope produces a **full-length horizontal
- normal pointing downhill**. acdream matches.
-4. `SetPositionInternal` persists it as `SLIDING_TS`
- (`0x005154c2` / `0x005154e1`); `get_object_info` re-seeds it next frame
- (`0x00511d44 test / 0x00511d4f call init_sliding_normal`). acdream matches.
-5. `CTransition::adjust_offset` sees `dot(offset, sliding) < 0` and projects
- the step onto the crease `cross(sliding, contact)` — a purely horizontal,
- purely cross-slope axis. An exactly-up-slope offset has zero component on
- it.
-6. The sweep aborts at step 0 and reports failure:
- `0x0050c0ed test ebx,ebx / jne 0x0050c089` -> `cmp [esp+14h],1 / jne` ->
- `xor eax,eax`. Retail returns `i != 0 && state == OK` — **byte-identical to
- acdream's `FindTransitionalPosition`** (Binary Ninja typed this function
- `void` and dropped the return value; the disassembly settles it).
-7. Because the transition failed, the writeback never runs, so the sliding
- state is never cleared -> self-latching until a step with a surviving
- component succeeds.
-
-Cross-checked against ACE (`Transition.cs:1027`,
-`CollisionInfo.cs:58`) — same shape.
-
-### Why it read as "ALL uphill motion"
-
-`RemoteRampHarness` builds a ramp whose gradient is exactly along Y, and the
-probe pushed exactly along -Y. Axis-aligned fixture x axis-aligned motion hits
-the measure-zero anti-parallel case with probability 1. Everything the original
-report ruled out (gradient, step size, cell boundaries, Z seating, AD-10) was
-correctly ruled out; the variable it did not vary was the **heading relative to
-the gradient**.
-
-### Production reachability — stated honestly
-
-The latch is production-real in mechanism: a pure gravity fall driven by the
-production `RuntimeRemotePhysicsUpdater`, with no fixture settle seam involved,
-lands on the ramp and leaves `Contact | OnWalkable | Sliding` with
-`slidingNormal = (0, 1, 0)`. The local player runs the same
-`ResolveWithTransition` with the same body and the same
-`IsPlayer | EdgeSlide` profile. So in production:
-
-- **After any landing on a slope, the first step's up-slope component is
- deleted** (one frame). This is retail behaviour.
-- **Holding a heading within ~0.11° of the exact gradient sticks you until you
- turn.** Also retail behaviour as written, and only reachable where a real
- terrain triangle's gradient happens to align with the held heading.
-
-**NOT established:** a live DAT-terrain / connected-client reproduction. It was
-not run because the discriminator turned out to be offset-vs-gradient
-alignment, not terrain provenance — the same triangle plane is produced either
-way. If a player ever reports "stuck facing uphill until I turn", this is the
-mechanism.
-
-### What landed
-
-- `tests/AcDream.Runtime.Tests/Physics/RuntimeRemoteUphillProgressTests.cs` —
- the missing coverage (`ARemoteWithABodyClimbsAWalkableSlopeAndKeepsItsFeetOnIt`,
- per-tick climb + surface tracking under a realistic heading) plus a
- characterization pin for the absorb, both sabotage-verified in both
- directions.
-- `RemoteRampHarness` now carries a warning block naming the axis-alignment
- trap, so the next vacuous uphill assertion is caught at authoring time.
-
-**Do NOT** patch the small-offset abort, add per-frame sliding clearing, or
-special-case walkable planes in `validate_walkable` — all three are on the
-#137 DO-NOT-RETRY list and all three would be deliberate retail divergences.
-If the one-frame deletion is ever judged unacceptable, the lever is the
-**provenance** of the sliding normal, and it needs its own brainstorm.
-
----
-
-## #330 — The headless host registers no live-entity collision at all: a bot walks through every NPC and every server-spawned object
-
-**Status:** OPEN — **SCOPE MAPPED 2026-08-07 by a dual Opus review of a
-withheld implementation; the builder hoist landed, the wiring did not.**
-
-An overnight implementation attempt wired spawn-time registration into the
-no-window route. Both review lenses failed it, converging (two reviewers
-converging = near-proof, per the project's own rule), and the findings ARE
-the issue's true scope — recorded here so the next attempt starts from the
-map instead of rediscovering it:
-
-1. **A headless remote-motion tick does not exist.** `RuntimeRemotePhysicsUpdater`
- is Runtime-HOMED but App-DRIVEN (constructed only at
- `RemotePhysicsUpdater.cs:46`, ticked only from
- `LiveEntityAnimationScheduler.cs:351`), and `GetOrCreateRemoteMotion` has
- one production caller, in App. A shadow registered at spawn therefore
- FREEZES at the unsettled wire pose: a walking NPC becomes a phantom
- obstacle at its spawn point while the real NPC still passes through the
- bot — strictly worse than the honest gap. This is the load-bearing
- prerequisite.
-2. **Live collision-asset publication does not exist headless-side.** The
- headless `PhysicsDataCache` holds only the per-landblock static closure;
- there is no `IPreparedCollisionSource` on-demand pull
- (graphical: `LiveCollisionAssetPublisher`). Without it,
- `_physicsBspBounds` is null for live-entity parts, BSP dispatch never
- fires, and doors/chests/statues/portals get the wrong shape or none.
-3. **Degrade resolution:** the graphical route resolves collision part ids
- through `GfxObjDegradeResolver` slot-0 walking; raw `setup.Parts` is the
- wrong id for every humanoid part.
-4. **Shadow lifetime hangs off FIVE edges, not two:** wire delete, pickup
- (`TryApplyPickup` leaves a permanent invisible collider from a looted
- item), same-guid generation supersession (`RetireCanonicalOnly` path has
- no unregister → duplicate phantom), GENERATION RESET
- (`HeadlessGenerationResetHost.RetireEntityProjection` is an empty no-op
- and `ResetSessionPhysics` does not clear `ShadowObjects` — registrations
- leak across reconnects), and hidden/withdrawn suspension.
-5. **The K-ledger cannot see any of this:** `RuntimePhysicsOwnershipSnapshot.IsConverged`
- checks retained shadow count only AFTER disposal, and disposal clears the
- registry. Extending the convergence oracle to pre-disposal retained
- counts is part of this issue's test work, or every leak above ships green.
-6. **Ordering + retry:** registration must follow `ProjectSpawn` (a throw
- after `ApplyAcceptedSpawn` leaves a committed-but-unprojected entity),
- and a spawn arriving before the world frame publishes needs a retry pump
- — the withheld code silently dropped it for the incarnation's lifetime.
-7. **The appearance route EXISTS** (`OnAppearanceUpdated`) and must rebuild
- collision, as the graphical binding does.
-
-**What DID land 2026-08-07:** the builder hoist —
-`LiveEntityCollisionBuilder` + `LiveEntityDefaultPoseResolver` moved to
-`AcDream.Runtime.Physics` (internal + existing IVT), `Build(...)`'s
-App-record parameter replaced by presentation-free primitives including the
-`FinalPhysicsState` the contract had missed. Both reviewers passed the hoist
-explicitly; the graphical host is diff-verified unchanged. The wiring
-attempt itself is preserved in the review transcripts, not in the tree.
-
-**Original entry below.**
-
-**Status (original):** OPEN
-**Severity:** HIGH for headless gameplay fidelity; zero impact on the graphical client.
-**Filed:** 2026-08-06, from the AP-22 deletion's blast-radius survey (§5 of
-[`docs/research/2026-08-06-ap22-contract.md`](research/2026-08-06-ap22-contract.md)).
-
-`ShadowShapeBuilder.FromSetup` — the only producer of live-entity collision
-shapes — has exactly **one** production caller,
-`src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs`, which lives in
-`AcDream.App`. `AcDream.Headless` references `AcDream.Runtime` and
-`AcDream.Content`, never `AcDream.App`, so no headless code path ever builds or
-registers a collision shape for a server weenie. `HeadlessSessionHost.cs:640`
-additionally pins the local player to
-`RuntimeLocalPlayerShadowDisposition.ProvenShapeless`.
-
-Consequence: a headless bot has landblock **static** collision (published
-through `LandblockPhysicsContentBuilder.PublishStaticCollision`, which the
-headless world projection does call) but no collision against creatures, NPCs,
-players, or any other server-spawned object. It walks straight through all of
-them. Retail collides against every cell-resident object with a shape.
-
-This is a **pre-existing gap**, not introduced or widened by the AP-22
-deletion — AP-22 removed a branch that was unreachable for all 5,935 installed
-Setups, so it changed no registered shape on either host. It is filed
-separately because the AP-22 survey is what established it and because nothing
-currently tracks it. Checked at filing time: **#291** is a different thing (the
-headless 3x3 collision *window* wanting a divergence-register row), and no
-register row covers this.
-
-Not a one-to-two-commit change: closing it means giving Runtime or Content
-ownership of live-entity shape construction (today an App concern), which
-overlaps the Slice-J ownership work. If it is ever *accepted* rather than
-fixed, it needs a divergence-register row; it is filed here as a defect
-because the intent is to fix it.
-
-## #325 — Gate A's teleport test is narrower than retail's: a ForcePosition carrying a NEWER teleport stamp is misrouted into a full Apply
-
-**Status:** OPEN
-**Severity:** MEDIUM (no observed symptom; reachability against ACE is
-unmeasured — see below. The behaviour when reached is four simultaneous
-divergences, not one.)
-**Filed:** 2026-08-05 at the C5b closeout, with register row **AP-148**
-**Component:** physics / inbound timestamp gate / local-player force position
-
-**Description.** Retail's `SmartBox::HandleReceivedPosition` Gate A — the
-local-player FORCE_POSITION self-echo shortcut — takes its shortcut iff the
-wire TELEPORT_TS is **not older** than the stored one, i.e. equal *or newer*.
-acdream requires exact equality
-(`PhysicsTimestampGate.TryAcceptPositionEvent:199`,
-`teleport == _timestamps[Teleport]`), so acdream's `ForcePosition`
-disposition is a strict subset of retail's Gate A set.
-
-The disassembly, the byte-level reasoning, and why two review rounds of
-reading Binary Ninja pseudo-C recorded the term backwards are in AP-148 and
-in `docs/research/2026-08-05-c5b-contract.md` §15.1. Short version:
-0x0045402B–0x00454054 materialises the carry of a wrap-safe 16-bit compare
-with `sbb eax,eax / neg eax` and skips Gate A on CF, where CF means "wire
-strictly older"; Binary Ninja drops the flag test and renders the whole
-thing as `if (-((eax_7 - eax_7)) == 0)`, which is always true.
-
-**What the misroute does.** The excluded packet falls through to `Apply`
-with `advancesTeleport` true, which is four behaviour changes at once:
-
-1. the wire heading is applied instead of the body's being preserved
- (`InboundPhysicsStateController.ApplyAcceptedPosition:846-856` is
- `ForcePosition`-gated);
-2. the entity is unparented, and may have a placement frame installed
- (`clearParent: !force`, `installPlacementFrame: !force && !hasAnimations`);
-3. local velocity is zeroed (`:882-885`, the `TeleportAdvanced` arm);
-4. TELEPORT_TS advances and `OfferTeleportDestination` is called, starting
- teleport/portal presentation for a packet retail never starts it for.
-
-Retail's Gate A deliberately lets a force ride *past* a pending teleport
-advance without consuming it — it returns @0x0045409D, before
-`newer_event(arg2, TELEPORT_TS, arg8)` @0x00454158 — leaving the ordinary
-Position channel to process that teleport.
-
-**This is NOT a one-line comparison swap, and the fix must not be attempted
-as one.** Three things have to be decided together:
-
-1. **The predicate exists twice.** Besides `PhysicsTimestampGate.cs:199`,
- `RuntimeAuthoritativePositionRouteClassifier.ValidAcceptedAuthority`
- independently requires
- `authority.PreviousTeleportSequence == authority.AcceptedTeleportSequence`
- for a `ForcePosition` — the same narrowing, encoded downstream. Widening
- one without the other turns the newly-admitted packets into
- `RejectedAuthority` routes, which is a third behaviour, worse than either.
-2. **TELEPORT_TS's disposition on the Gate A path.** acdream's Gate A branch
- already returns without advancing TELEPORT_TS, which matches retail —
- but it has never had to do so while the wire stamp was *newer*. After
- widening, `AcceptedPhysicsTimestamps.PreviousTeleport` and `.Teleport`
- would be equal and STALE while the wire carried a newer value: a shape no
- consumer has seen. `IsFreshTeleportStart`, the drive controller's
- `previousTeleport` argument, and J6.3's F751/Position teleport
- correlation all read that pair.
-3. **Reachability has to be established before the fix, not assumed.** ACE's
- two `ObjectForcePosition` bumps (`Player.cs:1148` PKLite re-placement,
- `Player_Tick.cs:488` z-hack correction) do not themselves bump the
- teleport sequence — but `PositionPack` serialises the *current* teleport
- sequence, so any client whose TELEPORT_TS lags ACE's is in the divergent
- window on its next force. Whether that lag is reachable in practice is
- unmeasured. A cdb trace or a wire capture answers it; guessing does not.
-
-The correct predicate already exists verbatim one file away:
-`PhysicsTimestampGate.IsFreshTeleportStart:163` is
-`!IsNewer(teleport, _timestamps[Teleport])`, which is exactly retail's Gate A
-term.
-
-**Acceptance:** both encodings widened together; the newly-admitted shape
-covered by a discriminating test at the disposition boundary AND at the
-classifier's authority validation; the three consumers in item 2 checked
-against a stale-but-equal teleport pair; AP-148 retired in the same commit.
-
-## #324 — The graphical and no-window hosts run parallel, non-shared inbound entity routes
-
-**Status:** OPEN
-**Severity:** MEDIUM (no live symptom today; it is the structure that PRODUCED
-D1, and it will produce the next one)
-**Filed:** 2026-08-05, in the C5b architecture-review D1 fix commit, per that
-fix's brief ("if the correct answer is to unify the two session controllers,
-say so and file it rather than attempting it here")
-**Component:** runtime / session routing / host structure
-
-**Description.** Two inbound entity routes exist and neither is derived from
-the other:
-
-- graphical: `src/AcDream.App/Net/LiveEntitySessionController.cs` →
- `LiveEntityNetworkUpdateController.OnPosition` (and siblings)
-- no-window: `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs`
- (`OnPositionUpdated` and siblings), constructed only at
- `src/AcDream.Headless/Hosting/HeadlessSessionHost.cs:682`
-
-They share the canonical Runtime owners underneath (Slice J's whole point) but
-NOT the routing decisions on top: which packet shapes reach which owner, in
-what order, under what gates. Every canonical rule expressed in the graphical
-route's control flow has to be re-derived by hand for the other, and nothing
-enforces that it was.
-
-**Why this is filed as its own issue rather than fixed inline.** This is the
-structural cause of defect D1 from the C5b architecture review (both reviewers
-found it independently). C5b made the steady-state Position merge stop writing
-residency — retail-correct — and moved the write to the `OnPosition`
-prologue rebucket. That rebucket is graphical-only, so the no-window host
-silently lost canonical cell tracking for every entity: remotes froze at their
-placement cell for the whole session, and the local player lost one of
-AP-146's three refresh edges. Nothing failed; the host just stopped being
-right. The D1 fix gives the no-window route its own commit over a shared
-Runtime value owner and files the residual duplication at AD-64 — it does not
-remove the class.
-
-**What unification has to reconcile (why it is campaign-sized, not a slice):**
-
-1. The graphical route performs presentation recovery the no-window route has
- no analogue for (`RequiresSpatialProjectionRecovery`, the equipped-child
- `ChildUnparentDisposition` arm, `LiveEntityHydrationController`).
-2. The graphical route performs remote contact routing, far-snap/teleport
- placement arms, and projectile routing; the no-window route performs none
- of them and returns early for `!isLocal`. Unifying means deciding whether
- the no-window host GAINS those arms (a behaviour change with its own gate)
- or whether the shared route is parameterized over them.
-3. Ordering constraints are load-bearing and already documented as
- measurements, not intentions — AP-138's route-2 first-submit
- `CurrentCellId` observation depends on the force drive submitting BEFORE
- the wire-cell commit, and AD-60/AP-147 on the merge publishing before the
- rebucket. A unified route must preserve each, per host.
-4. `LiveEntityRuntime`'s spatial/presentation half and its canonical half are
- currently interleaved in one method (`RebucketLiveEntity`); the D1 fix
- split out the canonical value derivation, but the residence gate, the
- object-clock enter-world rebase, and the visibility publication are still
- entangled with the bucket move.
-
-**Acceptance:** one route object owns the inbound decision set for both hosts,
-with presentation and routing supplied as collaborators; AD-64 is deleted in
-the same commit; the eight D1 sabotages still discriminate.
-
-## #320 — The local player's canonical cell does not track ordinary movement (follow-up from #319)
-
-**Status:** OPEN
-**Severity:** LOW today (no observed symptom — see below); the correctness
-question is real and unresolved
-**Filed:** 2026-08-05, filed in the #319 fix commit per that contract's §2.2/§4/§9
-**Component:** physics / entity lifetime / local player canonical cell
-
-**Description.** Retail writes the local player's cell on EVERY physics tick
-(`CPhysicsObj::SetPositionInternal` @0x00515330, unconditional). acdream's
-canonical `FullCellId` for the LOCAL player is written only at three edges:
-login activation (`RuntimeSetPositionState.cs:2741-2745`), the `OnPosition`
-generic tail's prologue rebucket after an accepted inbound Position
-(`LiveEntityNetworkUpdateController` → `LiveEntityRuntime.RebucketLiveEntity`
-→ `RuntimeEntityObjectLifetime.CommitRebucket`), and a teleport/portal
-placement commit
-(`RuntimeSetPositionState.cs:5001-5007`; `LocalPlayerTeleportController.cs:255`).
-Ordinary WASD movement passes a LANDBLOCK id, not an exact cell
-(`LocalPlayerProjectionController.Project`, low 16 bits forced to `0xFFFF` in
-both branches), and `LiveEntityRuntime.cs:935-938` explicitly PRESERVES the
-prior canonical cell for that shape. So the player's canonical cell is coarse
-and mostly-frozen between teleports — see the register row this issue's fix
-commit files (AP-146) for the full citation and the argument that this is
-currently safe for every EXISTING consumer.
-
-**Amended 2026-08-05 by C5b (#275).** The second edge above used to be the
-accepted-Position MERGE itself (`RuntimeEntityDirectory.RefreshSnapshot` →
-`RuntimeEntityRecord.cs:234`). C5b made that merge withhold the wire cell
-(AD-60), so the writer is now the `OnPosition` prologue rebucket's
-`CommitRebucket` — one step later in the same call, same value. Nothing about
-this issue's substance changes: the coarse landblock-preserve branch at
-`LiveEntityRuntime.cs:935-938` is unchanged and is still what makes the
-player's cell mostly-frozen. One shape DID change and belongs to this issue's
-survey: a local **ForcePosition** returns before that tail, so its residency
-is now placement-receipt-authoritative — a refused or contended force writes
-no cell at all (retail's own shape; AD-62).
-
-**Corrected 2026-08-05 by the C5b architecture review's D1 fix.** The
-three-edge enumeration above was written from the graphical host and silently
-assumed both hosts shared it. They do not. `AcDream.App` and
-`AcDream.Headless` run parallel, non-shared inbound routes
-(`LiveEntitySessionController` → `LiveEntityNetworkUpdateController.OnPosition`
-versus `RuntimeLiveEntitySessionController.OnPositionUpdated`), and C5b's
-replacement writer lived only in the former — so the no-window host had only
-TWO of the three edges, login activation and the teleport/portal commit, and
-its remotes' cells were frozen from placement onward as well. That is fixed:
-`RuntimeLiveEntitySessionController.TryCommitAcceptedWireCell` now commits the
-same value through a shared Runtime owner,
-`RuntimeEntityObjectLifetime.CommitWireCellRebucket`, which is also where the
-landblock-preserve branch this issue's item 1 is about now lives (it moved
-verbatim out of `LiveEntityRuntime.cs:935-938`; update that citation when
-reading item 1). The reachability duplication the fix leaves behind is filed
-at AD-64, and controller unification at #324.
-
-**What this changes for item 6, the unresolved first verification step.** It
-does not answer it, but it removes a strictly-worse case that was hiding
-underneath it: before the fix, a no-window bot lacked the inbound-Position
-edge entirely, so a bot running A→B without ever teleporting kept
-`FullCellId` at A for the whole session — retiring A would park a body that
-is physically in B, and retiring B would miss it. Both hosts now refresh at
-ACE's 5-10 Hz Position cadence. The question item 6 actually asks — whether a
-stale-cell landblock retirement can sweep a spatial-root local player — is
-unchanged and still open.
-
-**Why this is not #319's blast radius.** #319's fix makes a player-parented
-equipped child inherit the parent's (the player's) canonical cell EXACTLY —
-an equality invariant, not a freshness one. The child is stale-but-equal
-wherever the player's own record already is; #319's fix does not touch the
-player's own cell-writing paths at all. See
-[`docs/research/2026-08-05-issue-319-contract.md`](research/2026-08-05-issue-319-contract.md)
-§2.2 for the full argument that folding this into #319 would have put that
-slice at route-3 scale (~418 lines) and was the wrong bundling regardless.
-
-**What this issue must resolve before implementation, not after (§2.2's
-enumeration + §9 item 2):**
-
-1. Making the player's canonical cell exact-track movement touches the
- deliberate landblock-preserve contract at `LiveEntityRuntime.cs:935-938` —
- a generic rebucket rule, not player-specific, so changing its input
- population changes it for the one caller that relies on it.
-2. `Rebucketed` entity-delta publication cadence: today the player NEVER
- publishes a `Rebucketed` delta during WASD (the preserve path early-outs
- at `CommitRebucket`'s `previous == fullCellId`,
- `RuntimeEntityObjectLifetime.cs:1965-1972`); an exact-cell commit would
- publish per EnvCell crossing — audit every consumer before shipping.
-3. The accepted-Position classification inputs for the LOCAL player (route 2
- and the 4b-3 `PreMergeCommittedCellId` measurement at
- `TryApplyPosition:1801-1814`): a fresh committed cell changes the
- pre-merge population on live correction paths AP-136/AP-138 spent four
- review rounds pinning.
-4. The portal-space freeze interaction
- (`LocalPlayerProjectionController.Project:100-103` — the teleport owner
- alone projects the destination while the local controller deliberately
- retains its frozen source cell): a canonical exact-cell writer must not
- race the teleport owner.
-5. The `isOrdinaryRoot` family (`LiveEntityRuntime.cs:915-918`, `:3213`,
- `:3323`) and the animation-scheduler local-player exclusion
- (`LiveEntityAnimationScheduler.cs:183-227`).
-6. **First verification step, unresolved by the #319 investigation or its
- fix:** whether the local player is a `RuntimePhysicsState` spatial root,
- and if so whether a stale-cell landblock retirement (a player WASD-ing
- beyond the streaming radius from its last teleport, with no intervening
- teleport or inbound Position) can sweep the player into
- `ParkCollisionResidents`. The connected routes exercised so far all
- teleport between stops, which refreshes the cell and may be masking this.
- Establish this BEFORE deciding whether exact-cell tracking is even
- optional — if the player can already be swept today, that is a separate,
- more urgent bug independent of this issue's scope.
-
-**Do not implement without a fresh retail-conformance argument** — this is a
-design call (which of the two cells is the source of truth for a
-client-authoritative parent), not a bug fix, per the #319 contract's §2
-verdict.
-
-## #318 — C4 route 3 §8 items 8/9/10 residual: no end-to-end composition test, no local-player shadow assertion, no T8 ordering
-
-**Status:** OPEN
-**Severity:** LOW (does not block round-3 acceptance per both reviewers; carried
-into C5)
-**Filed:** 2026-08-05, C4 route 3 round-3 review (retail B5/A5, architecture
-B5), carried per both reviewers' explicit conditions
-**Component:** Runtime / portal placement / local-player presentation
-
-**Description:** The retail review's round-1 §3.4 premise — that
-`TryApplyRuntimePlacementPlace` does not write pose/rotation/`ParentCellId` or
-rebucket — was WRONG; round 3 verified it DOES. That closed the original
-blocking concern, but three narrower gaps remain and both reviewers agreed
-they must be tracked rather than silently dropped:
-
-1. No end-to-end composition test exercises the full portal-arrival →
- canonical commit → presentation-suffix → `PhysicsEngine.ShadowObjects`
- chain for the LOCAL player specifically (existing tests cover pieces —
- the canonical commit, the presentation sink's `TryApply`, the drive
- controller — but not the full composed path with a real
- `RuntimePlacementPresentationSink` wired to a real `PhysicsEngine`).
-2. No test asserts the local-player collision SHADOW lands at the
- destination. The discriminating assertion for that future test:
- `PhysicsEngine.ShadowObjects` must hold a row at the destination cell/
- position, not just `LocalPlayerShadowState`'s internal dedup cache — see
- the register row (AP-131 amendment, filed alongside this issue) for the
- asymmetry this exposes: `LocalPlayerShadowState.Set` updates the dedup
- cache without publishing to `ShadowObjects`, self-healing only on the
- local player's first subsequent movement tick.
-3. No test proves T8's ordering — that the canonical commit's writes
- (pose/rotation/`ParentCellId`/rebucket) precede the presentation suffix's
- OWN redundant writes to the same fields, rather than racing or reversing.
-
-**Root cause / status:** Not a defect — a coverage gap. The underlying
-mechanism (`RuntimePlacementPresentationSink.TryApply` →
-`LiveEntityRuntime.TryApplyRuntimePlacementProjection` →
-`TryPublishPlace` → `LocalPlayerShadowState.Set`) is correct by code reading
-and by the individual unit tests that DO exist; what's missing is the
-COMPOSED, end-to-end proof plus the specific shadow-registry assertion.
-
-**Files:** `src/AcDream.App/World/RuntimePlacementPresentationSink.cs`
-(`TryPublishPlace`, `LocalPlayerShadowState.Set` call); `src/AcDream.App/Physics/LocalPlayerShadowState.cs`;
-`src/AcDream.Core/Physics/PhysicsEngine.cs` (`ShadowObjects`);
-`src/AcDream.Runtime/Session/RuntimeAcceptedPositionDriveController.cs`
-(`ReconcileAndAcknowledgePortal`, the T8 probe log).
-
-**Research:** `docs/research/2026-08-04-c4-route-3-contract.md` §3.4;
-`docs/research/2026-08-04-c4-route-3-retail-review-round2.md` §D (B5/A5);
-`docs/research/2026-08-04-c4-route-3-architecture-review-round2.md` B5.
-
-**Acceptance:** A composition test drives a real portal arrival through the
-canonical drive controller and the real `RuntimePlacementPresentationSink`
-against a real `PhysicsEngine`, then asserts `PhysicsEngine.ShadowObjects`
-holds the local player at the destination position/cell (not merely
-`LocalPlayerShadowState`'s cache) and that the write ordering matches T8 (a
-probe or log-order assertion). Do not score the existing connected/manual
-gate as covering this — it exercises the live path but does not assert the
-shadow registry specifically.
-
-## #317 — `TryCommitAuthoritativeVelocity`'s call site has no established retail basis
-
-**Status:** OPEN
-**Severity:** LOW (tracking only; no known observable defect)
-**Filed:** 2026-08-04, C4 route 5 (projectile authoritative placement) round-2
-review, MINOR (c)
-**Component:** physics / remote velocity
-
-**Description:** `LiveEntityNetworkUpdateController.cs`'s 4a-family remote
-velocity commit (`_liveEntities.TryCommitAuthoritativeVelocity(...)`, call
-site around line 2444) carried a comment claiming
-"`MoveOrTeleport` installs that exact vector with `set_velocity`." A
-byte-level Capstone disassembly of the PDB-paired retail binary
-(`CPhysicsObj::MoveOrTeleport` @0x00516330-@0x00516438, every branch,
-performed as C4 route 5's mandatory Step 1 hard gate) shows
-`MoveOrTeleport` never reads its velocity argument's stack slot at all, and
-`UnpackPositionEvent` performs no `set_velocity` either — the only
-`set_velocity` call in the whole accepted-Position chain zeroes the LOCAL
-player (@0x004541B4), which is a different call site entirely. The comment
-at the 4a call site has been corrected in place to state this plainly, but
-the call itself was left in production unchanged (out of C4 route 5's
-scope — the route's contract governs `RuntimeSetPositionOperationKind`
-placement dispatch, not the pre-existing remote velocity commit) and
-nothing currently tracks auditing or removing it.
-
-**Root cause:** unverified assumption inherited from an earlier port pass;
-never checked against the named retail decomp until C4 route 5's Step 1
-gate incidentally required decoding the neighboring function.
-
-**Files:** `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs`
-(call site + corrected comment, ~line 2420); `LiveEntityRuntime`'s
-`TryCommitAuthoritativeVelocity` (the method itself, unaudited).
-
-**Acceptance:** A dedicated retail audit of the ENTIRE accepted-Position
-velocity chain (not just `MoveOrTeleport`) — likely `UpdateObjectInternal`,
-`update_object`, and whatever actually feeds the remote's `Velocity` field
-retail-side — determines whether this call has a retail basis at all, and
-either finds the correct source function to cite or removes the call as an
-acdream-only adaptation with a divergence-register row.
-
-## C4 route 6 — drops and split-recovery closure — 2026-08-04
-
-#313 filed from the route 6 closure session (zero production lines; evidence +
-coverage tests only). #314 was filed from the same session and CLOSED the same
-day by `daef7c98` — it was found by those coverage tests, in the exact
-mechanism route 6's scoping cited as evidence that drops already converge, and
-was split out into its own commit rather than carried. #315 also filed there,
-carried over from the route 4b-3 round-2 reviews. Evidence:
-[`2026-08-04-c4-route-6-contract.md`](research/2026-08-04-c4-route-6-contract.md),
-[`2026-08-04-c4-routes-6-7-scoping.md`](research/2026-08-04-c4-routes-6-7-scoping.md).
-
-## #313 — `DeclareValid`'s `SetSelectedObject` split-recovery is not ported
-
-**Status:** OPEN
-**Severity:** LOW (selection UX, not placement)
-**Filed:** 2026-08-04
-**Component:** UI / inventory / selection
-
-**Description:** Retail's `ACCWeenieObject::DeclareValid @0x0058E340` reads
-the split marker recorded by `UIAttemptSplitTo3D @0x0058D850` /
-`UIAttemptSplitToContainer @0x0058D7D0` (three fields: `splitStackSize`,
-`splitClassID`, `splitTime`) and, on a matching WCID + stack-size within the
-10-second window, runs `ACCWeenieObject::SetSelectedObject(this->id, 0)`
-@0x0058E481 — a SELECTION transfer to the newly-materialized split result,
-not effect suppression and nothing placement-related (verified against
-`acclient_2013_pseudo_c.txt`; see
-`docs/research/2026-08-04-c4-route-6-contract.md`). acdream's
-`PendingSplitToWorldProjection`
-(`src/AcDream.App/World/InventoryWorldDropProjectionController.cs`)
-implements the 10-second recognition window (`RetailRecognitionSeconds`) but
-has no selection dependency at all — the split result never becomes the
-selected object after a ground split, and the container-split flavor
-(`UIAttemptSplitToContainer`'s equivalent) records no marker at all.
-
-**Root cause:** `InventoryWorldDropProjectionController`'s constructor takes
-interaction / objects / runtime / hydration / clock and nothing selection-
-related; `PendingSplitToWorldProjection.TryResolve` never calls anything
-resembling `SetSelectedObject`.
-
-**Files:** `src/AcDream.App/World/InventoryWorldDropProjectionController.cs`.
-Whatever owns "currently selected object" client-side (search for
-`selectedObjectId` — `ItemInteractionController` already takes one as a
-`Func`, so the write side needs a matching setter/owner).
-
-**Acceptance:** Split a partial stack to the ground; the newly-created pile
-becomes the selected object (matching retail's post-split selection
-behavior), with a 10-second recognition window identical to the existing
-recovery window. Out of C4 scope — do not implement as part of a placement-
-focused change; this is selection UX and mixing it into a placement closure
-makes the landing un-reviewable (per the route 6 contract).
-
-## #314 — Split recovery throws instead of recovering when the source's retained Movement/ServerControlledMove timestamps are nonzero
-
-**Status:** CLOSED 2026-08-04 by `daef7c98` — `BuildSpawn`'s `Timestamps`
-`with` block now resets `Movement` / `ServerControlledMove` to 0 alongside the
-top-level `MovementSequence` / `ServerControlSequence` zeroing that was already
-there. Zero is the honest value (a fresh split GUID has no movement history by
-construction), NOT a loosening of
-`HasConsistentCreateIdentityAndParent` — the predicate was correct and the
-producer was wrong. The repro test is renamed
-`SplitSourceWithRetainedMovementTimestamps_StillRecovers` and asserts the
-channels are zero in BOTH projections, so it cannot pass against a
-lenient-predicate workaround. Sabotage-verified in both directions.
-
-**Status when filed:** OPEN
-**Severity:** MEDIUM (can turn a normal split-to-ground into a client
-exception instead of a placed item)
-**Filed:** 2026-08-04
-**Component:** physics / inventory / entity lifetime
-
-**Description:** Discovered while writing C4 route 6's "split stack" / "new
-GUID recovery" coverage tests
-(`tests/AcDream.App.Tests/World/LiveEntityHydrationControllerTests.cs`,
-`SplitSourceWithRetainedMovementTimestamps_ThrowsInsteadOfRecovering`).
-`PendingSplitToWorldProjection.BuildSpawn`
-(`src/AcDream.App/World/InventoryWorldDropProjectionController.cs:171-209`)
-resets the top-level `MovementSequence` / `ServerControlSequence` to `0`
-(`:201-202`) when constructing the synthetic spawn for the new split-result
-GUID, but its `Physics.Timestamps` override list only touches `Position` /
-`Teleport` / `ForcePosition` / `Instance` (`:182-188`) — it does NOT reset
-`Physics.Timestamps.Movement` / `.ServerControlledMove` to match. Those two
-fields instead retain the SOURCE item's original values verbatim.
-
-`RuntimeEntityObjectLifetime.HasConsistentCreateIdentityAndParent`
-(`src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs:2321-2327`)
-requires the flattened top-level sequence fields to agree exactly with the
-embedded `PhysicsSpawnData.Timestamps` — by design, since they are two
-projections of the same wire packet
-(`RegisterEntityCore` throws `"CreateObject 0x{guid} has inconsistent
-instance or parent projections."` at `:748-749` when they disagree). Retail's
-per-object `update_times` timestamp channels are monotonic counters that do
-NOT reset when an item re-enters a container, so any split source that ever
-received a Movement or ServerControlledMove wire update during an earlier
-stint with world presence (e.g. dropped once before, picked back up, split
-again) carries nonzero values in exactly the two fields `BuildSpawn` forgets
-to reset. The split recovery then throws `InvalidOperationException` instead
-of completing the canonical create-placement transaction, inside
-`InventoryWorldDropProjectionController.TryRecoverUnknownPosition` — an
-unhandled exception on the ordinary network/UI event path.
-
-**Root cause:** Asymmetric field reset in `BuildSpawn`'s two `with`
-expressions — the top-level projection and the embedded `PhysicsSpawnData`
-projection of the same synthetic spawn are constructed independently and
-fell out of sync.
-
-**Fix shape (not applied — C4 route 6 is a zero-production-line closure by
-contract):** either also reset `Timestamps.Movement` / `.ServerControlledMove`
-to `0` in `BuildSpawn`'s `Timestamps with { ... }` block, or don't reset the
-top-level `MovementSequence` / `ServerControlSequence` at all and let them
-inherit the source's values instead (whichever direction is retail-correct
-needs a decompiled cross-check of what `UIAttemptSplitTo3D`'s resulting
-CreateObject actually carries for these two channels — not established by
-this filing).
-
-**Files:** `src/AcDream.App/World/InventoryWorldDropProjectionController.cs:182-188,200-207`;
-consumed by `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs:2321-2327`.
-
-**Acceptance:** Split a stack of an item whose weenie has previously been
-dropped to the ground and picked back up (so its retained Movement /
-ServerControlledMove timestamp channels are nonzero) a second time; the
-split result places normally instead of throwing.
-
-## #315 — `runTeleportHook` builds a `Func` closure per network packet
-
-**Status:** CLOSED 2026-08-04 by `aaf0811f` — the OnPosition collapse
-converged the three `RunRemoteArmTail` call sites into one, which is what
-made caching worthwhile. The one remaining call site now passes two
-delegates cached ONCE at construction (`RemoteArmCallbacks`, a small nested
-type wrapping `Func IsCurrentPositionOwner` /
-`Func RunTeleportHook`) instead of allocating a fresh closure per
-packet; per-packet scratch state (`canonical`, `remote`, `positionRecord`,
-`positionAuthorityVersion`, `expectedEntity`) moved from closure captures to
-plain instance fields `RunRemoteArmTail` stamps immediately before use.
-Deliberately NOT two bare `Func` fields directly on
-`LiveEntityNetworkUpdateController`:
-`tests/AcDream.App.Tests/World/UpdateFrameOrchestratorTests.cs`'s
-`ProductionFrameAdaptersRetainTypedOwnersWithoutWindowCallbacks` asserts
-every typed production owner carries zero `Delegate`-typed fields (the
-GameWindow decomposition campaign's guard against a smuggled window
-callback); wrapping both delegates in `RemoteArmCallbacks` respects that
-invariant instead of tripping it.
-**Severity:** LOW (real allocation regression, not correctness; not on the
-per-frame resolve path Slice I's 0 B/resolve discipline governs)
-**Filed:** 2026-08-04
-**Component:** physics / networking
-
-**Description:** Carried over from the C4 route 4b-3 round-2 architecture
-reviews (both said defer, but flagged that route 5 will add a fourth call
-site once it lands). Three `RunRemoteArmTail` call sites currently in
-`src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` each build a
-`Func` delegate per inbound packet to pass into
-`ApplyRemoteContactRouting`. This is a real allocation regression versus the
-`3e002993` baseline, on the 5-10 Hz network packet path — not the per-frame
-physics resolve path Slice I's zero-allocation discipline covers, so it did
-not show up in that gate.
-
-**Root cause:** `ApplyRemoteContactRouting`'s public signature takes a
-`Func` parameter, and existing tests inject lambdas into it directly —
-changing the signature to a non-allocating shape (a struct callback, a
-cached delegate, or an explicit two-phase call) touches test call sites
-across the file, which is why both round-2 reviews deferred it rather than
-fixing it inline.
-
-**Files:** `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` —
-`RunRemoteArmTail` call sites feeding `ApplyRemoteContactRouting`.
-
-**Acceptance:** The three (four, once route 5 lands) `RunRemoteArmTail` call
-sites do not allocate a fresh delegate per packet; existing
-`ApplyRemoteContactRouting` tests continue to pass, updated for whatever
-non-allocating shape replaces the `Func` parameter.
-
-## C4 route 4b-1 review — park lifecycle — 2026-08-04
-
-#309 and #310 filed from the route 4b-1 dual-review round; #311 filed from
-the delta-review round on the same route's remediation. Evidence:
-[`2026-08-04-c4-route-4b-1-review-findings.md`](research/2026-08-04-c4-route-4b-1-review-findings.md).
-
-## #309 — Cancelled lost-cell park re-shows the entity where retail would keep it hidden
-
-**Status:** **DEFERRED as an ACCEPTED DIVERGENCE — user decision 2026-08-06.**
-The standing record is register row **AP-136**, which already carries the
-retail mechanism, the exact divergence, and the observable; this issue is no
-longer a planned fix and does not block the placement-cutover campaign or C5c.
-
-Decision and its reasoning, so a successor does not silently re-litigate it:
-the retail-faithful end state is a park that SURVIVES cancellation, and that
-was implemented and reverted this round. Landing it costs (a) reversing a
-deliberate shipped invariant — `NewerPositionPickupAndParentEachCancelExactLostOperation`
-asserts that a newer Position cancels the park — and (b) `GameRuntime`
-teardown convergence (stage 10), where surviving parks never converge on
-shutdown. Weighed against an observable that requires a remote to teleport
-into a non-resident landblock **and then stop moving** (ACE stops
-broadcasting for a stationary entity; the ordinary 5–10 Hz case is
-superseded within ~150 ms), the cost is not currently worth paying. Revisit
-if the teardown-convergence work is done for another reason, or if the
-observable is reported in ordinary play.
-
-**This deferral does NOT cancel the six-step connected check.** That check
-validates the SHIPPED rollback behaviour (#312 / AP-136's `restorableOnCancel`
-path, which sits in `SubmitPreparedPlacementCore` — the shared core behind
-every production placement), not the deferred fix. It still needs running with
-`ACDREAM_PROBE_PARK=1`, and therefore must run **before** the C5c probe strip
-retires that flag.
-
-Prior status, retained for context: **largely superseded by #312** (closed
-`b1f914d5`, 2026-08-04). #312 made a cancelled park restore the presentation
-half as well as the Runtime half, which is the behaviour #309's connected check
-was written to probe. What remained genuinely open was the narrower
-retail-faithfulness question: retail's `GotoLostCell` keeps a lost-cell object
-HIDDEN until `reenter_visibility` fires on cell arrival, whereas acdream
-re-shows it on the cancel. Re-scope before running; the original six-step gate is now partly
-redundant.
-**Severity:** MEDIUM
-**Filed:** 2026-08-04
-**Component:** physics / placement
-
-**Description:** When a `DeferredCell` park is cancelled by the accepted-Position
-merge, we now roll the withdrawal back (`InWorld`, object clock, canonical
-residency) so the entity is no longer stranded invisible-and-intangible. But the
-entity becomes **visible immediately at the committed destination pose, without
-collision**, whereas retail keeps it hidden and re-shows it only when the cell
-loads.
-
-**Root cause / status:** Retail's lost-cell mechanism has no cancel at all.
-`CPhysicsObj::SetPositionInternal` @0x00515BD0 commits the destination pose via
-`store_position` @0x00515CE2 and registers the object with
-`CObjectMaint::GotoLostCell` @0x00515CF2 (@0x00508210). That registration is
-removed by exactly one thing — `CObjectMaint::InitObjCell` @0x00508260, which
-drains the lost list on cell load and calls `CPhysicsObj::reenter_visibility`
-@0x00508296 (@0x00516250), re-placing at the pose `store_position` committed.
-An update that performs no SetPosition leaves the registration untouched.
-
-So the retail-faithful end state is a park that **survives** cancellation. That
-was implemented and reverted this round because it reverses a shipped, tested
-invariant — `NewerPositionPickupAndParentEachCancelExactLostOperation`
-(`tests/AcDream.Runtime.Tests/Physics/RuntimeSetPositionStateTests.cs`, helper
-`VerifyPositionChannelCancellation`) asserts `Assert.False(IsDeferred(record))`,
-i.e. a newer Position cancels the park — and because surviving parks broke
-`GameRuntime` teardown convergence (stage 10). Re-deciding that invariant plus
-teardown convergence is the blocker.
-
-Residual in practice: a remote at 5-10 Hz is superseded within ~150 ms. The case
-that bites is a remote that teleports into a non-resident landblock and then
-**stops moving**, because ACE stops broadcasting for a stationary entity.
-
-Also unrestored: the `ShadowObjectRegistry.Suspend` applied by
-`WithdrawCanonical`. Un-suspending requires a real placement dispatch
-(`ReplacePositionRows`), so the entity rejoins the collision broadphase on its
-next placement rather than at cancel time.
-
-**Files:** `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs` —
-`ParkDeferred`'s `restorableOnCancel`, `Forget`, `RestoreParkWithdrawal`.
-
-**Acceptance:** Park survives a superseding no-placement Position and wakes via
-`InitObjCell`-equivalent collision-generation arrival, with teardown converging
-and the newer-Position invariant deliberately re-decided.
-
-**Connected check required — this is NOT a no-behaviour-change slice.** The
-route 4b-1 contract's "no connected gate" line does not apply to the park fix.
-`restorableOnCancel: true` is set in `SubmitPreparedPlacementCore`, the shared
-core behind EVERY production placement, and the merge-time
-`restoreCancelledPark: true` is on the accepted-Position path every remote and
-the local player traverse. So shipped behaviour changes for any entity whose
-placement parks — including the local player, whose route-2 ForcePosition
-corrections now roll a cancelled quiescence park back instead of leaving the
-character withdrawn for the rest of the session.
-
-Proposed connected check (two clients, local ACE). Scope widened 2026-08-04 at
-C4 route 4b-2 round 3: the slice made `SubmitPreparedPlacementCore`'s two
-collision-prefix QUIESCENCE parks restorable as well, which the original steps
-(the plain unplaceable-destination park only) never exercised, and made the
-LOCAL PLAYER traverse the same restore rather than only remotes.
-
-**Run the whole gate with `ACDREAM_PROBE_PARK=1`** (added 2026-08-04, round 4).
-Steps 4 and 5 both need a ForcePosition to land INSIDE a transient
-collision-prefix quiescence window, which the tester cannot synchronise with a
-teleport or portal arrival — so without a signal a clean teleport and a
-correctly-parked one look identical and those steps pass while broken. The flag
-emits one `[park]` line per park (guid, cause, the caller's pre-snap
-`resultCell`, the POST-snap `restoreCell` the rollback would use, `eligible` =
-the caller's half, `captured` = the final decision) and one `[park-restore]`
-line per rollback (`residency` = whether canonical residency was re-taken).
-Nothing is emitted for an ordinary committing placement, so an empty log means
-the window was never entered — retry the step; do not record a pass.
-
-1. Walk the observed character to a landblock boundary so a remote sits in a
- landblock the observer has not streamed, forcing a `DeferredCell` park.
-2. Confirm the remote no longer vanishes permanently — the pre-fix symptom was
- invisible AND intangible for the rest of the session.
-3. Confirm it appears at the SERVER-authoritative destination pose, not at a
- stale pre-park pose, and that it becomes collidable once the landblock
- publishes.
-4. **Quiescing swept NEIGHBOUR (new).** Stand/run within about a metre of a
- landblock seam while the neighbouring landblock across that seam is being
- retired or republished by streaming (recentre by travelling, then provoke a
- server ForcePosition — a `/teleport`-class correction or a portal arrival —
- at the seam). The sweep footprint reaches the quiescing neighbour, so the
- placement parks even though neither the source nor the destination is
- quiescing. Confirm the LOCAL PLAYER is not left frozen/invisible after the
- next server Position: it must stay in the world, keep simulating, and stay
- collidable. **Performed only when the log shows BOTH** `[park] …
- cause=quiescence:0x … eligible=True captured=True` **and a
- later** `[park-restore] … residency=True` for the same guid. This is the
- shape round 3 measured as reachable; the "quiescing source landblock" shape
- is NOT reachable through either accepted-Position caller on a first submit,
- because both commit the accepted wire cell to `record.FullCellId` before
- submitting.
-5. **Quiescing DESTINATION (new).** Provoke a ForcePosition into a landblock
- that is mid-retirement. The park is deliberately NOT restored here (AP-136's
- reason applies exactly): the character is left withdrawn — out of world,
- object clock suspended, not a spatial root.
- **Corrected 2026-08-04 (round 4).** The earlier text asked the tester to
- confirm the player "recovers on the next server Position rather than staying
- withdrawn indefinitely". It does not recover on that packet, and
- `QuiescingDestinationPrefix_ForcePositionParkIsNotRestored` pins the
- opposite: route 2 dispatches only for `ForcePosition`, so the ordinary
- `Apply` that follows merges behind the drive and cancels the park WITHOUT
- restoring it. Recovery needs a later packet that actually runs a placement
- and commits — another accepted ForcePosition (correction, teleport, or
- portal arrival) once that landblock's quiescence has released. Confirm
- exactly that, and confirm streaming's retirement of that landblock still
- COMPLETES rather than stalling; the retirement is the thing the
- non-restorable park exists to protect. **Performed only when the log shows**
- `[park] … cause=quiescence:0x … eligible=True
- captured=False` (eligible-but-declined is the decision under test) **and no**
- `[park-restore]` **line for that guid until the recovering ForcePosition.**
-6. Confirm the local player's own ordinary ForcePosition corrections (route 2)
- still land unchanged — that path shares the same cancel — including the
- case where the correction lands in a landblock that is NOT quiescing, which
- must be indistinguishable from pre-slice behaviour.
-Steps 1-5 are the user-visible acceptance for AP-136's residual.
-
-## #310 — Retained preparation retry stalls landblock retirement with no bound
-
-**Status:** OPEN
-**Severity:** HIGH
-**Filed:** 2026-08-04
-**Component:** physics / streaming
-
-**Description:** An entity holding a retained preparation retry keeps its
-landblock prefix in placement debt, so
-`TryAcquireCollisionPrefixMutationPermission` refuses on **every** poll and the
-landblock never retires. There is no bound and no timeout.
-
-**Root cause / status:** `HasOldPrefixPlacementDebt` refuses permission while any
-affected root holds an operation, so `LandblockRetirementStage.Physics` never
-completes and the retirement coordinator simply retries forever.
-`TickLostCellDeadlines` — the only expiry that could break the cycle — has **no
-production caller**, so its deadline never fires. The only thing that clears the
-debt is an inbound packet for that same entity, which is exactly what a
-`RetrySetupUnavailable` on an asset that never loads does not produce.
-
-Pre-existing and independent of route 4b-1; 4b-1 does not bound it, it only
-avoids widening it by declining to retain operations for destinations it cannot
-service. Pinned by
-`RuntimeCollisionPrefixQuiescenceTests.RetainedPreparationRetryStallsPrefixRetirementIndefinitely`
-(1,000 consecutive refusals), which also shows retiring the operation is what
-releases the prefix.
-
-Note this is also why `ParkCollisionResidents`'s overlap throw is unreachable:
-permission is refused before `ParkCollisionResidents` is ever entered.
-
-**Files:** `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs` —
-`HasOldPrefixPlacementDebt`, `TryAcquireCollisionPrefixMutationPermission`,
-`TickLostCellDeadlines` (uncalled).
-
-**Acceptance:** A retained preparation retry cannot block a landblock retirement
-indefinitely — either the deadline is driven in production or the retirement can
-proceed past stale placement debt.
-
-## #311 — RetryPendingProjections allocates a fresh array on every non-empty call
-
-**Status:** OPEN
-**Severity:** LOW (perf, not correctness)
-**Filed:** 2026-08-04
-**Component:** physics / headless
-
-**Description:** `RuntimeSetPositionState.RetryPendingProjections` (reached via
-`RuntimePlacementProjectionChannel.RetryPending` →
-`RuntimePlacementProjectionSubscription.RetryPending`) snapshots the entire
-pending-projection dictionary into a fresh array on every call —
-`_pendingProjection.Values.ToArray()`. C4 route 4b-1's N3 fix
-(`HeadlessSessionEventRoute.RetryPending`, wired from `HeadlessSessionHost.Tick`)
-now reaches this path every headless host tick instead of once per session —
-new per-tick pressure K4's 30-session resource envelope was not measured with.
-
-**Root cause / status:** The empty-FIFO case is closed —
-`RuntimePlacementProjectionSubscription.HasPendingReceipts` (added alongside
-this issue) lets a host early-out before ever reaching
-`RetryPendingProjections` when nothing is outstanding, which is the
-overwhelming common case in steady state. The non-empty case still
-allocates: every call that DOES have an outstanding receipt pays a fresh
-`.ToArray()` copy. Closing it needs a non-allocating rewrite of
-`RetryPendingProjections` itself (e.g. a reusable scratch buffer, mirroring
-the `_driveScratch` pattern `RuntimeRemotePlacementDriveController.Advance`
-and `RuntimeFirstEntryDriveController` already use) — deferred rather than
-attempted in the C4 route 4b-1 delta-review session that filed this, whose
-task scope held `RuntimeSetPositionState.cs` off-limits for that session
-(a concurrent, separately-owned change was landing in the same file).
-
-**Files:** `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs` —
-`RetryPendingProjections`. Call site:
-`src/AcDream.Headless/Hosting/HeadlessSessionEventRoute.cs` — `RetryPending`.
-
-**Acceptance:** A headless tick with N>0 outstanding placement receipts does
-not allocate a new array per tick.
-
-## #312 — Cancelled park restored Runtime state but never the presentation half
-
-**Status:** CLOSED — fixed `b1f914d5`, **user-confirmed 2026-08-04**.
-
-**Caveat recorded for whoever revisits this:** the probe capture from the
-accepting session showed 22 `[park]` lines (all `cause=unplaceable`) and zero
-`[park-restore]` lines, i.e. no park was cancelled during it, so the
-restoration path itself was not observed executing. The user judged the
-behaviour correct and closed it. The mechanism is pinned by four tests with a
-seven-revert discrimination table. If an invisible-remote report recurs, start
-here and look for `[park-restore] … presentation=True` under
-`ACDREAM_PROBE_PARK=1` before assuming a new cause.
-**Severity:** HIGH (a remote player permanently invisible in world and radar)
-**Filed:** 2026-08-04
-**Component:** physics / placement / presentation
-
-**Description:** A remote player that recalled into the observer's location was
-absent from both the 3-D world and the radar while remaining fully simulated —
-physics ticking, equipment attached, chat and spellcasting visible. It never
-recovered: not on remote movement, not on the observer walking away and back.
-Intermittent (it did not reproduce on the next recall).
-
-**Root cause:** `ParkDeferred` publishes a `Withdraw` receipt with two halves.
-Runtime owns the canonical half (`InWorld`, transient bits, object clock,
-residency, spatial root) and `RestoreParkWithdrawal` rolls it back on cancel.
-The PRESENTATION half — the graphical bucket, `IsSpatiallyProjected` /
-`IsSpatiallyVisible`, the projection-visibility sinks (which drive
-`EntitySpawnAdapter.SetPresentationResident`, i.e. the WB draw registry), plugin
-world state and events, the effect-pose registry, the local-player shadow — is
-performed by the host sink, and its only mirror image was a later `Place`
-receipt. The per-packet prologue `RebucketLiveEntity` masked the hole for a
-MOVING remote; a remote that parks on its FINAL accepted Position and then goes
-idle never gets another packet, because ACE stops broadcasting for a stationary
-entity. That is the intermittency and the "never recovers".
-
-Introduced by `7f1c1f5a` (C4 route 4b-2), the first commit that lets an ordinary
-remote `UpdatePosition` open a canonical `SetPosition` and therefore reach a
-restorable park. H1 (a latched `PhysicsStateFlags.Hidden`) was refuted: the
-failing entity's 71 `[remote-slide-tick]` lines come from the ordinary remote
-`Tick`, not the hidden-only loop.
-
-**Fix:** a new `RuntimePlacementProjectionKind.WithdrawalRestored` receipt,
-published by `RestoreParkWithdrawal` on the one ordered placement stream exactly
-when the entity ends the rollback canonically whole. It is acknowledge-only in
-Runtime (the parked operation is already retired), and the host sink maps it to
-the exact inverse of its own withdrawal. Routing the restore's `SetFullCell`
-through `CommitCanonicalCell` was considered and rejected on measurement: the
-`CellCommitted` -> `RebucketLiveEntity` recovery it would fire never touches
-plugin world state, the world-event stream, or the effect-pose registry, and it
-cannot fire at all on the shipped remote path, where the prologue rebucket has
-already recommitted a non-zero `FullCellId` before the merge cancels the park.
-
-**Files:** `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs`
-(`RuntimePlacementProjectionKind`, `PublishWithdrawalRestoration`,
-`RestoreParkWithdrawal`, `AcknowledgeProjection`);
-`src/AcDream.App/World/RuntimePlacementPresentationSink.cs`
-(`TryApplyWithdrawalRestoration`); `src/AcDream.App/World/LiveEntityRuntime.cs`
-(`TryApplyRuntimePlacementProjection`, `TryApplyRuntimePlacementPlace`'s
-`commitPose`); `src/AcDream.Headless/Hosting/HeadlessRuntimePlacementProjectionSink.cs`.
-
-**Research:**
-[`2026-08-04-invisible-recalled-remote-diagnosis.md`](research/2026-08-04-invisible-recalled-remote-diagnosis.md).
-Register: AP-136 amended, AD-63 filed (selection is not re-established).
-
-**Acceptance:** `WithdrawalRestored_ReinstatesEveryPresentationRegistrationTheWithdrawalRemoved`
-(App.Tests) and `CancellingWakeableParkPublishesTheWithdrawalRestorationReceipt`
-(Runtime.Tests) both fail with the fix reverted. Live gate, folded into #309's
-`ACDREAM_PROBE_PARK=1` two-client run: recall a remote into the observer, let it
-STAND STILL, and confirm it renders and blips; `[park-restore]` must report
-`presentation=True` for that guid.
-
-## Recent-regression cleanup — 2026-08-03
-
-Plan: [`2026-08-03-recent-regression-cleanup.md`](plans/2026-08-03-recent-regression-cleanup.md).
-All three were introduced by the 2026-08-02/03 stabilization batch, found while
-reconciling #281's 43 test failures.
-
-- **#282 — DONE (2026-08-03) — live entities now write `EffectCellId`, contradicting its
- documented contract, and 12 `ParentCellId` writers cannot keep it in sync.**
- `WorldEntity.EffectCellId` (src/AcDream.Core/World/WorldEntity.cs:95-102)
- documents itself as existing ONLY for outdoor dat stabs, which keep a null
- render parent while retail still gives their physics object an outdoor
- landcell for `CObjCell::IsInView` particle gating — "live/interior entities
- normally use `ParentCellId` instead." `f24532ad` began setting it on live
- entities at rebucket and placement projection
- (`LiveEntityRuntime.cs:855,1101,1238`). Because
- `EntityEffectPoseRegistry.UpdateRoot:163` resolves
- `EffectCellId ?? ParentCellId`, the field now WINS for live entities, while
- 12+ production sites still write `ParentCellId` alone. Any of those that
- changes cell without a matching rebucket strands particles and lights on the
- entity's previous cell: effects vanish behind a wall the object no longer
- occupies, or draw through one. Retail has exactly ONE cell per object
- (`CPhysicsObj::set_cell_id` @0x0050f4f0, `change_cell` @0x00513390, read by
- `ShouldDrawParticles` @0x0050fe60); the two-field split is our adaptation for
- the null-render-parent stab case. Fix shape: one owner writes the entity's
- visibility cell and the effects path reads that owner. Caught in miniature by
- `LiveEntityLightControllerTests.Refresh_FollowsCurrentTopLevelRootAndCell`.
- **Landed 2026-08-03 (S2).** The audit found 14 cell writers: only 3 rebucket
- (and so repaired `EffectCellId` by accident), while 11 do not — including the
- hottest paths, `RemotePhysicsUpdater:239,294` and
- `LiveEntityOrdinaryPhysicsUpdater:107` (every physics tick from the snapshot)
- and `LocalPlayerProjectionController:79` (the local player every frame). So a
- moving entity updated its cell constantly while `EffectCellId` stayed frozen.
- The consumers also disagreed: `EntityEffectPoseRegistry` preferred
- `EffectCellId`, while `WbDrawDispatcher.TryGetEntityCell` and the remote
- spawn seed preferred `ParentCellId`. Fix: `WorldEntity.VisibilityCellId`
- (`ParentCellId ?? EffectCellId`) is the single accessor every consumer
- resolves through; `LiveEntityRuntime`'s three live-entity `EffectCellId`
- writes are removed, restoring the field to its documented stab/building-shell
- purpose (`LandblockLoader:80,97`, `LandblockBuildFactory:408`). Register row
- AP-133 records the adaptation and the exact way it can regress.
- `Refresh_FollowsCurrentTopLevelRootAndCell` is back to moving the entity by
- `ParentCellId` alone — its original pre-`f24532ad` form — and passes.
- Complete Release solution: 10,836 passed / 4 skipped / 0 failed.
- **User-accepted 2026-08-03** in a connected Release session with the retail
- UI (`ACDREAM_RETAIL_UI=1`): effects stay attached across cell boundaries and
- lit statics are unchanged. The session's log corroborates it — 9 completed
- world reveals, 58 reveal events all `failures=0`, zero unhandled exceptions,
- and a graceful exit.
-- **#283 — DONE (2026-08-03, proven unreachable) — Runtime's world frame and App's render origin rebase at
- different moments during a teleport.** `670f307c` gave Runtime its own world
- frame (`RuntimePhysicsState.ObserveLocalWorldFrame`), which rebases the
- instant an accepted Position carries `TeleportAdvanced`. App's
- `LiveWorldOriginState` rebases only when
- `StreamingOriginRecenterCoordinator.Advance` observes
- `IsOriginRecenterRetirementComplete` — many frames later, after the old
- window has fully retired. Between those two edges the two owners disagree by
- the source-to-destination landblock delta, so a remote Create converted by
- Runtime lands a multiple of 192 m from the geometry App is building. Same
- failure family as the zero-offset bug `670f307c` fixed, with a wrong origin
- instead of a missing one. NOT yet proven reachable live — the portal reveal
- gate may or may not exclude Create during that window, and #280 says other
- work does continue arriving through it. Two owners of one fact; the campaign
- answer is that Runtime owns the frame and App projects it. Route-3 adjacent.
- **Resolved 2026-08-03 as UNREACHABLE, not restructured.** The plan's first
- step was to prove or disprove reachability before moving ownership.
- `ACDREAM_PROBE_WORLD_FRAME=1` (`PhysicsDiagnostics.ProbeWorldFrameEnabled`)
- compared both owners at
- `DatLiveEntityProjectionMaterializer`'s landblock→world conversion — the
- App-side counterpart of `TryGetWorldFrameOffset`. A connected Release
- session recorded **zero** disagreements across 11 completed reveals and six
- destination landblocks (`0x0904`, `0x1134`, `0x3032`, `0x8763`, `0xA9B4`,
- `0xF682`) spanning ~45 km — a gap of even one frame would have printed an
- offset in the tens of thousands of metres. Cause: `BeginOriginRecenter`
- detaches EVERY resident landblock before the new origin is adopted, which
- serializes the two rebases so no conversion can observe the gap.
- Ownership is therefore left alone (restructuring on a disproven hypothesis
- would have been churn). Instead
- `LiveWorldOriginState.EnsureAgreesWithRuntimeFrame` is a permanent terminal
- invariant at that conversion, turning a silent 192 m-multiple misplacement
- into a loud failure if a future change ever reopens the window; six focused
- tests pin it, including the cross-world portal case. The probe flag now
- emits a verbose per-conversion agreement trace for future investigation.
-- **#284 — DONE (2026-08-03) — a placement that cannot resolve parks forever with no
- diagnostic.** A first-entry placement whose world frame is absent returns
- `RetrySetupUnavailable` (`RuntimeSetPositionState.PrepareMover:1535-1543`)
- and is re-Advanced every pump indefinitely. Nothing counts it, names its
- reason, or distinguishes "waiting for something that will arrive" from
- "waiting for something that never can". This is why #281's 43 failures
- presented as four unrelated symptoms across App and Runtime instead of one
- cause. NOT a timeout or grace period — the fix is observability plus
- fail-fast on genuinely unresolvable states, matching the committed-invariant
- exception pattern established in `01f4791e`. Doing this FIRST makes #282,
- #283, and every C4 route cheaper to diagnose and lets the connected gates
- fail on nonzero parked entries.
- **Landed 2026-08-03 (S1).** `RetryWorldFrameUnavailable` splits the
- world-frame park from the Setup park, so a missing frame stops reporting
- itself as an asset problem; call sites now test `IsRetryable()` instead of
- one reason, so a future reason cannot be silently demoted to a rejection.
- The operation retains its `RuntimeSetPositionParkReason`, and
- `RuntimeSetPositionOwnershipSnapshot` reports
- `ParkedAwaitingSetupCollisionCount` / `ParkedAwaitingWorldFrameCount` /
- `ParkedPlacementCount`. `ObserveLocalPlayerCreate` records the accepted
- local-player Create even when it carries no landblock, and
- `ThrowIfWorldFrameUnreachable` makes that contradiction terminal instead of
- an infinite silent retry.
- **Deliberately NOT folded into `IsConverged`:** #277 documents a far Create
- legitimately parking for the whole session, so a parked entry at teardown is
- not automatically a defect. The counts are exposed for gate assertions at
- stable checkpoints; wiring them into the connected gates' `report.json` is
- carried with #277's service-window conversion, where "legitimately parked"
- becomes precisely definable.
- **User-accepted 2026-08-03** alongside #282 in the same connected Release
- session: ordinary play is unaffected, and the new terminal invariant never
- fired — the log shows zero `world frame is unreachable` failures and zero
- parked placements across 9 completed reveals.
-
-## C4 route 2 — ForcePosition placement cutover — 2026-08-03
-
-Plan: [`2026-08-03-c4-route-2-implementation-plan.md`](research/2026-08-03-c4-route-2-implementation-plan.md);
-contract: [`2026-08-03-c4-route-2-contract.md`](research/2026-08-03-c4-route-2-contract.md).
-
-- **#285 — DONE (2026-08-03) — a ForcePosition on the local player wrote two
- independent stores from one packet, and the outbound ack left before any
- canonical commit existed.** `LocalForcePositionTransaction.Apply`
- (App)/`HeadlessSessionWorldProjection.BlipLocalPlayer` (headless) drove
- `PlayerMovementController.BlipPosition` — a raw `PhysicsBody.SnapToCell`
- with no transition, no collision, no contact-plane resolve, no
- `FullCellId`/`PlacementCommitVersion` advance — while the generic tail
- (`LiveEntityNetworkUpdateController.cs`) independently wrote the
- render-facing `WorldEntity` from the same wire frame; the App/no-window ack
- (`LocalPlayerOutboundController.SendImmediatePosition`) fired immediately
- after the blip, before either write's result was known. Same divergence
- class as the remote-placement bug `670f307c` fixed.
- **Fix:** `RuntimeAcceptedPositionDriveController`
- (`src/AcDream.Runtime/Session/RuntimeAcceptedPositionDriveController.cs`) is
- the single Runtime-owned accepted-Position execution seam for a
- ForcePosition on an already-live local player: it drives the SAME
- `RuntimeSetPositionState.TryBeginExclusiveAuthoredPlacement` +
- `TryPrepareAndSubmitAuthoredPlacement` transaction every other placement
- uses (retail `CPhysicsObj::SetPositionSimple` @0x005162B0, flags `0x1012`,
- called from `SmartBox::BlipPlayer` @0x00453940), reconciles the
- controller's render-lerp/cell state
- (`PlayerMovementController.CommitCanonicalForcePositionFrame`, replacing
- the deleted `BlipPosition`), and fires the ack strictly AFTER that commit —
- never before it. `LocalForcePositionTransaction.cs` and
- `HeadlessSessionWorldProjection.BlipLocalPlayer` are deleted outright, not
- adapted; the generic render-tail write is skipped for the local player's
- ForcePosition (App now projects the committed result through the existing
- `RuntimePlacementPresentationSink`, the same seam every other placement
- already uses).
- **Two named behaviour changes, both retail-exact per this session's
- verification:** (1) the outbound `AutonomousPosition` ack is now an OUTPUT
- of the committed route, not a step alongside it — retail's
- `cmdinterp->SendPositionEvent()` @0x00454091 runs after
- `SmartBox::BlipPlayer` @0x00454074 returns, and the deleted transaction's
- trailing `isCurrent()` recheck (which could only suppress the
- *continuation*, not an ack that had already left) is now structurally
- impossible; (2) the constraint leash is NOT re-armed on this route — every
- `CPhysicsObj::ConstrainTo` call in `HandleReceivedPosition`
- (@0x00454272/0x0045418A/0x004541EC) is on a branch the FORCE_POSITION early
- return (@0x0045409D) never reaches. `BlipPosition`'s leash re-arm (added at
- #167 Slice P5, commit `7719d25b`) was an unbacked deviation for this exact
- branch — it was correct for retail's "Player, normal" branch that Slice P5
- was modeling in general, but `SmartBox::BlipPlayer` is not on that branch.
- #167's own historical write-up (below) is superseded for its `BlipPosition`
- half by this entry.
- **New behaviour (retail fidelity gain, not a regression):** the ForcePosition
- now runs retail's REAL `SetPosition` collision resolve — a placement sphere
- or authored Setup, not a bare teleport-shaped snap — so a corrected Z can
- differ from the wire's literal Z by the placement sphere's own settle.
- **R7 review correction (2026-08-03):** the FIRST implementation pass wrote
- this paragraph against a fixture bug, not retail behavior — its headless
- test fixture's dummy Setup sphere had its centre AT the origin (offset ==
- radius), which lifted a settled origin a FULL 0.48 m radius above the
- floor and was asserted as if that were the retail-correct answer. Retail's
- `BlipPlayer` has never lifted the origin by a sphere radius. The real dat
- human Setup `0x02000001`'s foot sphere is `(0,0,0.475) r=.48`
- (`Ts46SphereListConformanceTests.cs:35-39`), whose bottom sits at
- `origin + 0.475 − 0.48 = origin − 0.005` — so a settled origin lands
- **within 5 mm** of the floor it rests on, not a sphere radius above it.
- The headless fixture now uses the dat-exact sphere and asserts the
- measured `Z = 50.005f` (`HeadlessSessionHostTests.cs`,
- `WorldProjectionIgnoresNormalEchoButBlipsForcePosition`).
- Runtime tests: `tests/AcDream.Runtime.Tests/Session/RuntimeAcceptedPositionDriveControllerTests.cs`
- (classification/NotApplicable guards, ack-strictly-after-commit, ack
- exactly once, the displaced-authority Contention case, the DeferredCell
- park→wake→commit sequence, heading preservation, leash NOT re-armed, and —
- added in the fix round — re-issue-from-canonical when a subsequent
- accepted Position's merge-time `Forget` cancels a watched DeferredCell
- park). **R8 review correction (2026-08-03):** the DeferredCell test's name
- and assertions in the FIRST pass claimed a single-ack-after-wake sequence
- the fixture does not exercise — this fixture's cross-landblock resolve
- measures `InContact=false` (no subsequent physics tick sweeps the body
- onto the terrain in this bare-Runtime harness), so no ack fires after the
- wake at all today. The test is renamed
- `DeferredCell_ParksThenCommitsAndNeverDoubleAcksAfterTheCollisionGenerationWakes`
- and no longer pins the current zero-ack count with an assertion (a pinning
- `Assert.Empty` would fail — and read as a regression — the day Contact
- correctly starts flipping); it captures the ack count once and asserts
- only that further `Advance()` pumps never change it. The
- park→wake→commit→single-ack sequence remains unverified pending a harness
- that drives a real physics tick to establish ground contact.
- **Fix-round corrections (2026-08-03), both dual reviews having FAILed the
- first pass — see
- [`2026-08-03-c4-route-2-review-findings.md`](research/2026-08-03-c4-route-2-review-findings.md)
- for the full R1-R9 list:** (R1, HIGH) the DeferredCell park could not
- survive in production — `RuntimeEntityObjectLifetime.TryApplyPosition`
- Forgets the entity's in-flight SetPosition on EVERY accepted Position (any
- disposition), so a park outliving one ACE broadcast (~100-200 ms) was
- cancelled before its collision generation could ever commit it, silently
- losing the correction forever. `RuntimeAcceptedPositionDriveController.Advance`
- now detects the dead watch (`IsPlacementCompletionTracked`) and re-issues
- the SAME route from the entity's current canonical snapshot rather than
- leaking `_pending`. (R2, HIGH) headless lost `BlipLocalPlayer`'s collision-
- neighborhood re-centering; restored via the new
- `IRuntimeDirectWorldProjection.CenterOnAcceptedForcePosition`. (R3, HIGH)
- the headless login-window ForcePosition fallback was dropped; restored.
- (R4, MEDIUM-HIGH) the force-ack was stealing a `Place` receipt the
- presentation sink had legitimately declined for its own retry contract;
- removed. (R5, MEDIUM-HIGH) corrected the `Rejected` status doc's false
- "no SetPosition ran" claim. (R6, MEDIUM) `_pending` could leak forever on
- a mid-session cancellation (now caught by the same R1 detection) and
- `SubmitAndResolve` could silently overwrite a still-live pending (now
- guarded, throws on the invariant violation). (R9, LOW hygiene) a stale
- `BlipPosition` doc cref, `HeadlessSessionHost._currentSession` never
- cleared on teardown, and the streaming observer/pose-dirty side effects
- firing for a `Rejected`/`Contention` status the route explicitly declined
- to place into. Complete Release solution after the fix round:
- **10,853 passed / 4 skipped / 0 failed** (10,857 total) — App 4,058/3,
- Bake 15/0, Cli 4/0, Content 124/0, Core.Net 762/0, Core 4,247/1, Headless
- 79/0, Runtime 1,021/0, UI.Abstractions 543/0.
- **Round 2 fix (2026-08-03), both delta reviews having FAILed the fix round
- — see the "ROUND 2" section of
- [`2026-08-03-c4-route-2-review-findings.md`](research/2026-08-03-c4-route-2-review-findings.md):**
- round 1 bolted the re-issue onto ad-hoc per-branch `_pending` bookkeeping,
- which had no single owner and no single lifecycle rule; that is the shared
- root cause of all three round-2 blockers. Replaced with ONE funnel:
- `RuntimeAcceptedPositionDriveController.SettlePending` is the sole terminal
- writer of `_pending`, `RetainPending` the sole outstanding writer, and
- `AbandonPending` the sole teardown writer. Its ONE decision input is the
- terminal operation token's `PositionAuthorityVersion`
- (`RuntimeSetPositionState.cs:50`) versus the live record's current value —
- equal ⇒ clear, no re-issue (fixes **N1**: one server correction now
- produces exactly one canonical placement and exactly one outbound
- `AutonomousPosition`, never two); advanced with the newest accepted event
- still a ForcePosition ⇒ re-issue it, re-classified from the current record
- via the newly recorded `_newestForce` observation (fixes **B1**: a
- correction blocked by a woken park's retained completion is no longer lost);
- advanced with the newest accepted event now an ordinary `Apply` ⇒ clear, no
- re-issue (fixes **N2**: the round-1 shape reused the stale force route and
- would have applied `Teleport|Slide` + an ack retail never sends to an
- ordinary pose, skipping that branch's `ConstrainTo`). Complete Release
- solution after round 2: **10,856 passed / 4 skipped / 0 failed** — App
- 4,058/3, Bake 15/0, Cli 4/0, Content 124/0, Core.Net 762/0, Core 4,247/1,
- Headless 79/0, Runtime 1,024/0, UI.Abstractions 543/0.
- Round 3 closed the conformance reviewer's one remaining blocker: a terminal
- outcome that never committed now sends the packet's retail position event
- carrying the body's unchanged pose, because `SmartBox::BlipPlayer`
- @0x00453940 DISCARDS `CPhysicsObj::SetPositionSimple`'s
- @0x005162B0 `enum SetPositionError` (other retail callers test it,
- `== OK_SPE` @0x0055605D) and returns `void`, after which
- `SmartBox::HandleReceivedPosition` @0x00453FD0 runs
- `cmdinterp->SendPositionEvent()` @0x00454091 unconditionally and returns
- @0x0045409D. Retail's rule is: attempt once, do not move on failure,
- acknowledge regardless, never retry — so route 2 acks exactly once per begun
- placement, from the commit path or from the settle, never both and never
- zero.
- Divergence register: **AD-62 filed** (round 2, rewritten round 3) — the
- deferred-placement adaptation means a ForcePosition that cannot commit when
- it arrives, and is then retired without commit, is not re-applied. As of
- round 3 its position-event ack IS still sent whenever the placement was begun
- AND that packet's descriptor reaches its own terminal settle. The ack is lost
- in two narrower groups: where no placement was ever begun (an
- externally-blocked `Contention`; a re-issue marker that never begins), and —
- begun but displaced — where a newer force supersedes the packet before its
- settle, since `SettlePending` nulls `_pending` without reading it (AD-62
- shape (v)). Replaying that one would emit a stale-sequence report carrying
- the newer packet's pose; the displacing packet always acks. Retail's
- `SmartBox::BlipPlayer` is synchronous against a fully resident world and
- reaches none of these states. The route-2 cutover ITSELF still adds no
- deviation (it closes the
- duplicate-authority + premature-ack bug); AP-131 is explicitly NOT retired
- here (its named legacy `TryApplyPosition` caller is route 4's job, not
- route 2's).
-- **#286 — OPEN — headless never calls `RetryPending` on its placement
- projection subscription.** `RuntimePlacementProjectionSubscription.RetryPending`
- has exactly one caller in the tree, `GraphicalSessionEventRoute.cs:109,113`;
- `HeadlessSessionEventRoute` constructs the subscription
- (`HeadlessSessionEventRoute.cs:22`) but nothing pumps its retry. C4 route
- 2's R4 fix deliberately stopped the force-ack from consuming a `Place` the
- sink declined, on the contract that the subscription's OWN retry re-offers
- it — so on headless a declined `Place` would sit at the FIFO head and wedge
- the ordered stream. Latent: not proven reachable today (the headless sink's
- decline conditions may be unreachable given its bounded collision window).
- Fix shape: give the headless host the same per-tick retry pump the
- graphical route has, or prove the decline unreachable and record why.
- Filed from the C4 route-2 round-2 review (N3).
-- **#287 — OPEN — `RuntimeAcceptedPositionDriveController.Advance` has no
- reentrancy latch.** Its template `RuntimeFirstEntryDriveController.DriveAll`
- guards with `_driving` (`RuntimeFirstEntryDriveController.cs:61,130,132,146`);
- the accepted-position drive does not, even though `Advance` can now re-enter
- `SubmitAndResolve` through the `SettlePending` re-issue. No live re-entrant
- path exists today (the funnel's recursion is bounded at one level and every
- host pumps `Advance` from a single synchronous cadence point). Hygiene, not
- a live defect. Filed from the C4 route-2 round-2 review (N4).
-- **#288 — OPEN — two side effects were dropped when
- `HeadlessSessionWorldProjection.BlipLocalPlayer` became
- `CenterOnAcceptedForcePosition`.** (a) The deleted method also restored
- `controller.LocalEntityId = record.LocalEntityId ?? 0u`; the replacement
- (`HeadlessSessionWorldProjection.cs`, `CenterOnAcceptedForcePosition`) does
- not. Inert today — nothing clears the id between publication and a
- ForcePosition — but it is an unreplaced deletion, not a decision. (b)
- `_movementTruthDiagnostics.OnServerEcho` no longer fires for a local
- ForcePosition on the graphical host, because that route returns before the
- generic tail (`LiveEntityNetworkUpdateController.cs`). Diagnostic-only.
- Filed from the C4 route-2 round-2 review (N5).
-- **#289 — OPEN — two doc comments still cite the deleted
- `PlayerMovementController.BlipPosition`.** `src/AcDream.Core/Physics/Motion/ConstraintManager.cs:25`
- and `src/AcDream.Core/Physics/PhysicsBody.cs:442` both name it inside ``
- tags, so they are build-safe (unlike a ``, which R9 already
- fixed) but false: C4 route 2 deleted the member. Left as-is they become the
- citation a future session trusts. Filed from the C4 route-2 round-2 review
- (R9 residue).
-- **#290 — OPEN — route 1's classified `SendPositionImmediately` never fires
- an ack.** The C4 plan required confirming whether the outbound position ack
- fires while an initial-Create residence owns the record. It does not:
- `RuntimeInitialCreateContinuationExecutor` consumes
- `SendPositionImmediately` only as a trace fact (`:717`, `:2576`), never as
- an outbound send. Not a regression (route 1 predates route 2 and behaves
- exactly as before), but retail's FORCE_POSITION branch acks unconditionally
- after `BlipPlayer`, so a ForcePosition admitted during the login residence
- window is one retail ack we do not send. Decide at route 4/C5 whether the
- residence tail should send it. Filed because the plan required filing it.
-- **#291 — OPEN — the headless 3x3 collision window needs a divergence
- register row.** C4 route 2's R2 fix promoted it to a NAMED member of the
- Runtime-facing contract (`IRuntimeDirectWorldProjection.CenterOnAcceptedForcePosition`)
- with an explicit ordering requirement — re-center BEFORE the placement
- submits — that retail has no analogue for (retail has every landblock
- resident). No existing row covers it: AD-6 is retired and AD-2 is the
- graphical reveal barrier. Recommend one AD row naming the window, the
- ordering requirement, and the symptom if it breaks (a `DeferredCell` park
- the window can never publish). Filed from the C4 route-2 round-2 review.
-- **#292 — OPEN — C4 route 2 acceptance item 2 is source-pinned, not
- proven.** Recorded gap from round-2 finding B2 (the plan's own text is
- corrected at
- [`2026-08-02-placement-cutover.md`](plans/2026-08-02-placement-cutover.md)).
- First half — "the generic tail no longer double-writes the local player" —
- is pinned only by a source-text regex, which a differently spelled second
- write would pass, and no test exercises the branch. Second half — "the
- committed projection is what moves the render entity" — is uncovered at any
- layer: no test drives a route-2 ForcePosition through
- `RuntimePlacementPresentationSink` / `TryApplyRuntimePlacementPlace` and
- asserts the `WorldEntity` moved. Given R4, that is exactly the seam whose
- failure is silent (canonical body moves, render entity stays). Fix shape: an
- App-layer end-to-end test asserting the render entity's position/cell came
- from the committed placement receipt.
-- **#293 — OPEN — the DeferredCell park still consumes `Withdraw` receipts the
- sink may have declined.** `RuntimeAcceptedPositionDriveController.SubmitAndResolve`'s
- `DeferredCell` branch drains the head of the placement FIFO while it is a
- `Withdraw` for this entity and calls `AcknowledgeProjection` on it
- (`RuntimeAcceptedPositionDriveController.cs:709-716`). That is the exact
- receipt-stealing shape R4 removed for `Place`: the R4 fix's whole argument is
- that `RuntimePlacementProjectionSubscription` deliberately leaves a receipt
- the sink declined at the FIFO head for its own later retry, and that this
- route has no follow-up binding to cover it. The `Withdraw` drain was left
- unchanged in round 1 because it is copied verbatim from
- `RuntimeFirstEntryDriveController.TryCompleteContinuationPlacement`, but the
- same asymmetry applies — that controller's residence guarantees the decline,
- this one's does not. Fix shape: decide whether a declined `Withdraw` is
- reachable for this route and either drop the drain (letting the
- subscription's retry own it, as `Place` now does) or record why the decline
- cannot happen here. Filed from the C4 route-2 round-3 adversarial review.
-- **#294 — OPEN — the deferred wake reconciles and acks BEFORE the funnel's
- currency guard.** `RuntimeAcceptedPositionDriveController.Advance` consumes
- the acknowledged placement and immediately calls `ReconcileAndAcknowledge`
- (`:452`), and only then enters `SettlePending`, which is where the
- entity-still-active / still-the-local-player / still-the-same-incarnation
- checks live (`TryGetActive`, `ServerGuid`, `PhysicsBody`, `key !=
- terminalToken.Entity`). So a wake that lands after the entity departed the
- world, stopped being the local player, or released its incarnation still
- runs the controller-local reconcile and can still send an outbound
- `AutonomousPosition`. `ReconcileAndAcknowledge`'s own
- `record.ServerGuid != _localPlayerServerGuid()` test uses the RETAINED
- record, not a re-resolved active one, so it does not cover the departed
- case. Ordering, not a workaround: the currency guard belongs before the
- reconcile. Filed from the C4 route-2 round-3 adversarial review.
-- **#295 — OPEN — the re-issue retry marker inflates
- `AcceptedPositionDrivePendingCount`.** When `SettlePending`'s re-issue cannot
- begin, it parks the terminal descriptor as a retry marker in `_pending`. That
- marker is not an in-flight placement — its token is dead by construction —
- but `PendingCount` (`:259`) and the ownership ledger registered at `:255-256`
- both report it as one. Any convergence reader (`CaptureOwnership`,
- `GameWindowLifetime.DisposeGameRuntime`'s non-convergence throw) therefore
- sees a placement that does not exist, and a marker that outlives its
- usefulness reads as a wedged operation rather than as "a re-issue is owed".
- Fix shape: count in-flight placements and owed re-issues separately, or give
- the marker its own field. Filed from the C4 route-2 round-3 adversarial
- review.
-- **#296 — OPEN — a retryable prepare is reported to hosts as `Contention`.**
- `SubmitAndResolve` returns `RuntimeAcceptedPositionExecutionStatus.Contention`
- for a retryable preparation status (`RetrySetupUnavailable` /
- `RetryWorldFrameUnavailable`, `:661`), reusing the status whose documented
- meaning is "begin failed; the entity already owns an operation". The two are
- materially different: the retryable case DID begin, IS retained in `_pending`,
- and WILL be re-driven by the next `Advance` pump, while true `Contention` may
- have recorded nothing at all (register row AD-62 shape (iv)). Hosts cannot
- distinguish them — `LiveEntityNetworkUpdateController` branches on the status
- — and neither can a future reader of the enum doc. Fix shape: a distinct
- status (or a documented union) so the retained-and-pumping case is not
- conflated with the dropped case. Filed from the C4 route-2 round-3
- adversarial review.
-
-## PK Lite gaps exposed by `@pklite` — 2026-08-03
-
-All three found live by the user minutes after `69ba9486` made PK Lite
-reachable for the first time. **None is a C4 route 2 regression** — verified by
-diff: `9966b531` touched none of `CollisionExemption`, `CombatTargetPolicy`,
-`SelectedObjectHealthPolicy`, `EntityCollisionFlags`, `ObjectTableWiring` or
-`CreateObject`, and all three gates predate it (`3361a8d7`, `2644d1d5`,
-`0f2d98c5`). `@pklite` made pre-existing behaviour reachable; it did not create
-it. Do #297 FIRST — #298 depends on it.
-
-- **#297 — DONE `9b1e6fc6` (2026-08-03), USER-ACCEPTED live 2026-08-03 — PublicWeenieBitfield is frozen at CreateObject, so a PK
- status change never reaches the client. HIGH.** User symptom: after `@pklite`,
- the local player walks straight through other PKLite players.
- ACE's only PK-change message is `GameMessagePublicUpdatePropertyInt` (0x02CE)
- carrying `PropertyInt.PlayerKillerStatus`(134) = `PKLite`(0x40)
- (`Player.cs:1153` -> `Player_Properties.cs:1122-1132` ->
- `WorldObject_Networking.cs:1413-1442`). The PWD `ObjectDescriptionFlag` bits
- are recomputed only inside serialization, and `EnqueueBroadcastUpdateObject`
- (`WorldObject.cs:662-665`) has zero live callers — so no PWD re-send ever
- happens and a client CANNOT learn PK status from the bitfield after login.
- We parse and store the property (`ObjectTableWiring.cs:41-47`, landing in
- `Properties.Ints[134]`) but never translate it: `ClientObject.PublicWeenieBitfield`
- has exactly one writer (`ClientObjectTable.cs:891`) fed solely from the 0xF745
- CreateObject parse (`CreateObject.cs:827`). Both sides of the collision test
- then read that frozen value — mover via `EntityCollisionFlags.cs:133-139` /
- `LiveSessionEventRouter.cs:419-442`, target via
- `LiveEntityCollisionBuilder.cs:151-153` — so `CollisionExemption.cs:117-122`
- ("4c. both PKLite -> collide") never fires and `:125` exempts.
- **Retail is the exact port we are missing:** `ACCWeenieObject::OnStatUpdated`
- @0x0058DF20 `case 0x86:` calls `PublicWeenieDesc::SetPlayerKillerStatus`
- @0x005AC7C0, which rewrites `pwd._bitfield` in place — PK `|0x20`, PKLite
- `|0x2000000`, Free `|0x200000`, mutually exclusive, else clear all three.
- `IsPKLite` @0x0058C8A0 reads `(_bitfield >> 0x19) & 1`. Entry points are
- `Handle_Qualities__PrivateUpdateInt` @0x00558FD0 (0x02CD, self) and
- `Handle_Qualities__UpdateInt` @0x00558D60 (0x02CE, remote).
- Fix shape: port `SetPlayerKillerStatus` as a bitfield rewrite on PropertyInt
- 134, applied from BOTH routes. `RecomputePvpStatus` already reacts to
- `ObjectUpdated` so the mover side follows for free; the TARGET side needs a
- second edge because shadow-registry `EntityCollisionFlags` are frozen at
- registration. Cheap falsification test: a relog fixes it for the local player
- only, since a fresh CreateObject carries the real bit.
- Unaudited: whether making the bitfield mutable disturbs its item-shaped
- readers (`ToolbarController.cs:633`, `ItemInteractionController.cs:1272`,
- `AppraisalUiController.cs:543`, `ItemAppraisalTextFormatter.cs:949,:1110`).
- Note the vivid target indicator (`WorldSelectionQuery.cs:271-298`) reads the
- spawn PWD bits directly and is stale by the same mechanism.
-
-- **#298 — DONE `bc0077a5` (2026-08-03), USER-ACCEPTED live 2026-08-03 ("melee and bow works, all good") — melee/missile attack admission excludes players by
- construction. MEDIUM-HIGH. Blocked on #297.** User symptom: selecting a
- PKLite player and attacking retargets to the nearest monster (auto-target on)
- or does nothing (auto-target off, logging
- `combat: attack ignored; no creature target found`,
- `LiveCombatAttackOperations.cs:187`).
- `CombatTargetPolicy.IsHostileMonster:31-33` rejects any candidate carrying
- `SelectedObjectHealthPolicy.BfPlayer` before reaching `ObjectIsAttackable`,
- so the PKLite pool match at `SelectedObjectHealthPolicy.cs:70-71` is
- unreachable for player targets.
- **Retail has ONE predicate for monsters and players, with no player
- exclusion:** `ClientCombatSystem::ExecuteAttack` @0x0056BB70 gates
- unconditionally on `ObjectIsAttackable` @0x0056A600, which checks creature
- type, the `0x200000` bits, then `IsPlayer(): (bothPK) || (bothPKLite)`, else
- `BF_ATTACKABLE` with pets excluded. We already have that predicate ported
- verbatim and correctly at `SelectedObjectHealthPolicy.cs:41-78` — it is
- simply unreachable.
- **DO NOT fix by relaxing `IsHostileMonster`'s automatic-acquisition
- scope.** `IsHostileMonster` also backs auto-target ACQUISITION
- (`CombatAttackTargetSource.cs:80`, `WorldSelectionQuery.cs:280`), and
- relaxing it would violate register row **IA-19**, explicit product
- direction that auto-target must never select NPCs, players or pets.
- Retail's own auto-target DOES admit players (@0x0056C040
- pc:377318-377327), so retail and IA-19 genuinely disagree here — for
- acquisition only.
- **The combat camera is NOT an IA-19 concern, despite an earlier draft of
- this note claiming otherwise.** Retail `ClientCombatSystem::
- UpdateTargetTracking` @0x0056A950 (pc:375691-375696) gates
- `CameraSet::TrackTarget` on the SAME `ObjectIsAttackable` predicate as
- `ExecuteAttack` @0x0056BB98, not the narrow monster-only policy. The
- camera performs no acquisition of its own — it only tracks whatever the
- player already selected — so `WorldSelectionQuery.GetCombatCameraTargetPoint`
- must route through the wide predicate exactly like explicit-target
- admission. (Landed: `GetCombatCameraTargetPoint` now calls
- `IsAttackableTarget`.)
- Fix shape: SPLIT explicit-target admission AND the combat camera
- (-> `ObjectIsAttackable`/`IsAttackableTarget`, retail-exact) from
- auto-acquisition (-> keep `IsHostileMonster`, IA-19 intact). IA-19's own
- text already promises "manual player-selection commands remain
- available"; that promise was unimplemented before this fix. Not affected:
- the health bar (`SelectedObjectHealthPolicy.cs:32` already admits
- `BfPlayer`) and the vivid target indicator.
- Correct model to copy: spells already work on PKLite players because
- `RetailSpellTargetPolicy.cs:40-46` treats `BF_PLAYER` as an ACCEPT and never
- calls `ObjectIsAttackable` — the client checks target-TYPE compatibility and
- lets the server arbitrate PK legality (retail
- `ClientMagicSystem::ObjectCompatibleWithSpellTargetType` @0x00567230).
-
-- **#299 — DONE `88348f67` (2026-08-03) — CollisionExemption misses retail's mover-side
- IsImpenetrable branch, and its doc comment asserts the opposite. LOW.**
- `CollisionExemption.cs:103` checks only the TARGET's `IsImpenetrable`, and the
- class doc at `:33-39` claims "retail's pseudo-C only checks the target's
- `IsImpenetrable()`; acdream follows retail." The pseudo-C at pc:276824-276827
- has TWO short-circuit branches — mover `state & IS_IMPENETRABLE (0x80)` OR
- target `IsImpenetrable()` — either alone exempting. We are missing the mover
- branch, and the comment blames ACE (`PhysicsObj.cs:403-405`) for an addition
- that is actually retail-faithful. Found during the #297/#298 investigation;
- not symptom-causing. Fix the code and the comment together.
-
-## Follow-ups from the #297 fix and its review — 2026-08-03
-
-- **#300 — OPEN — `Properties.Ints[134]` and `PublicWeenieBitfield` can disagree
- inside one `ClientObject`. LOW.** `ClientObjectTable.UpdateIntProperty:792-796`
- is the only entry point that mirrors PropertyInt 134 (PlayerKillerStatus) into
- the PWD bitfield. `UpsertProperties:750-767` (PlayerDescription 0x0013) and
- `UpdateProperties:728-741` (IdentifyObjectResponse) write
- `Properties.Ints[134]` **without** the mirror. An assess/appraisal bundle on a
- player carrying PlayerKillerStatus would leave the raw int saying PKLite while
- the bitfield still reads NPK — and `LiveSessionEventRouter.RecomputePvpStatus:426-429`
- reads the raw int for the jump-stamina PK timer while everything else reads the
- bitfield, so one row would drive two different answers. Benign today
- (CreateObject's PWD is authoritative at login and ACE's assess bundles for
- players are unlikely to carry 134) and it does not affect the #297 collision
- path. Fix shape: a shared mirror helper called from all three appliers. Filed
- from the #297 delta review; see register row AP-134.
-
-- **#301 — OPEN — retail's OnStatUpdated also rewrites radar blip colour and
- radar behaviour; acdream ignores both. LOW.** `ACCWeenieObject::OnStatUpdated`
- @0x0058DF20 rewrites `pwd._blipColor` on `case 0x5f` (95 = RadarBlipColor) and
- `pwd._radar_enum` on `case 0x85` (133 = RadarBehavior), verified at
- `acclient_2013_pseudo_c.txt:408381-408391`. acdream handles neither, and
- `RadarSnapshotProvider.cs:85,134` reads the frozen CreateObject spawn — so a
- server-side radar-appearance change never reaches the radar. This is #297 for
- the radar, same defect class, same fix shape (mirror the property into the
- bitfield/snapshot at its source). Filed from the #297 delta review.
-
-- **#336 — OPEN — `RuntimeCollisionReportingStateTests.WarmedSteadyContactRefreshDoesNotAllocate` is a FOURTH, load-sensitive flake — distinct from #302, #308 and #321. LOW.**
- `tests/AcDream.Runtime.Tests/Physics/RuntimeCollisionReportingStateTests.cs:2381` asserts
- `GC.GetAllocatedBytesForCurrentThread()` is EXACTLY 0 across a warmed 10,000-iteration
- steady-contact refresh loop. Observed failing once on 2026-08-06 inside a full-solution
- `dotnet test AcDream.slnx -c Release -m:1` run (measured 2,944 bytes), then passing on the
- immediate full-suite retry, on both of two isolated `AcDream.Runtime.Tests` project runs,
- and on a filtered single-test run.
- **Filed rather than absorbed, and deliberately NOT conflated with the other three.**
- It shares #302's MECHANISM (an exact `GC.GetAllocatedBytesForCurrentThread()` assertion,
- sensitive to JIT tiering and background GC on the measuring thread) but it is a different
- test in a different assembly — #302 is `AcDream.App.Tests`, this is
- `AcDream.Runtime.Tests` — so “the known allocation flake” would hide whichever of the two
- is real on any given run. #308 is a wall-clock deadline in `AcDream.Core.Net.Tests`;
- #321 is a concurrent-decode dedup in the sound cache. Four mechanisms, four rows.
- **Not caused by #334's cell-membership port,** which is the change in flight when it was
- seen: the measured loop calls only `RuntimeCollisionReportingState` handling, registers no
- shadow inside the measurement, and touches none of `CellTransit` / `ShadowObjectRegistry` /
- `ShadowShape`. Fix shape, same as #302: warm the path before measuring, or assert a bounded
- range rather than an exact zero — matching how the other allocation gates in the repo are
- written. Do not delete the assertion; the 0 B/resolve budget it guards is a real Slice I1
- invariant.
-
-- **#302 — OPEN — `PortalProjectionTests.ClipToRegion_FrameOwnedStore_ReusesExactResultArray`
- is flaky. LOW.** Measured 1 failure in 6 consecutive isolated runs of
- `AcDream.App.Tests` at `88348f67`, and once in a full-suite run that passed on
- two immediate retries. The test asserts on
- `GC.GetAllocatedBytesForCurrentThread()`
- (`tests/AcDream.App.Tests/Rendering/PortalProjectionTests.cs:532`), which is
- sensitive to JIT tiering and background GC regardless of the code under test.
- Unrelated to the PK/collision work it surfaced during. **Do not treat a green
- suite as proof this is gone** — it passes ~5 times in 6. Fix shape: warm the
- path before measuring, or assert a bounded range rather than an exact
- allocation count, matching how the other allocation gates in the repo are
- written. Found while independently verifying the #297 gate.
-
-- **#308 — OPEN — `NakEmissionTests.LossSoak_TwoPercentBidirectional_ZeroMessageLoss_LedgersConverge`
- is a SECOND, load-sensitive flake — distinct from #302. LOW.**
- `tests/AcDream.Core.Net.Tests/Transport/` — a wall-clock-driven randomized
- packet-loss soak with a `DateTime.UtcNow < deadline` loop. Observed failing
- twice on 2026-08-03/04, **both times only inside a full-solution run**, and
- 0 failures in 4 consecutive isolated runs of `AcDream.Core.Net.Tests` alone.
- That profile points at CPU contention starving the deadline loop under the
- full suite, not at transport logic.
- **Filed because it was twice misattributed to #302 before being written
- down.** They are different tests in different assemblies with different
- mechanisms: #302 is a `GC.GetAllocatedBytesForCurrentThread()` assertion in
- `AcDream.App.Tests` sensitive to JIT tiering; this one is a wall-clock
- deadline in `AcDream.Core.Net.Tests` sensitive to machine load. Conflating
- them hides one of the two, and an agent instructed to "ignore the known flake"
- will wave through a real transport regression.
- Fix shape: drive the soak from a virtual/injected clock or an iteration count
- rather than wall-clock, matching how the deterministic transport suites are
- written. Do not simply widen the deadline — that hides load regressions
- instead of removing the dependency. Note Campaign N's transport work is the
- SSOT here; read `claude-memory/project_network_transport_digest.md` before
- touching it.
-
-- **#303 — OPEN — `LiveEntityPvpBitfieldSync` lives in App but touches only
- Runtime-owned state. INFO/shape.**
- `src/AcDream.App/Physics/LiveEntityPvpBitfieldSync.cs` reads
- `RuntimeEntityObjectLifetime.Objects` and writes
- `RuntimePhysicsState.Engine.ShadowObjects` — both Runtime-owned since J5.5.
- Moving it beside `RuntimeEntityPvpBitfieldSnapshotSync` would leave one
- subscriber and one owner. No coverage gap today (headless has no
- `LiveEntityCollisionBuilder` and therefore no live-entity target shadows), so
- this is shape rather than a defect. Filed from the #297 delta review.
-
-## Follow-ups from the #298 fix and its review — 2026-08-03
-
-- **#304 — OPEN — `SelectionInteractionController.GetSelectedOrClosestCombatTarget`
- has no production caller. LOW/shape.** Grep confirms only tests reach it
- (`GetSelectedOrClosestCombatTarget:114-121`); no `GameplayInputActionRouter`
- or other App wiring calls it. The #298 fix widened it correctly (explicit
- selection now checks `IWorldSelectionQuery.IsAttackableTarget` instead of
- `IsHostileMonster`), matching `CombatAttackTargetSource`'s live path
- defensively, but it currently exists only to keep the (also unused-in-
- production) `IsAttackableTarget` member exercised by four `IWorldSelectionQuery`
- fakes. Fix shape: delete the dead method (and, if nothing else calls
- `IsAttackableTarget` through this interface after that, the interface member
- and its fake stubs too) — or find the caller that was supposed to exist and
- wire it. Filed from the #298 review.
-
-- **#305 — OPEN — `HeadlessGameplayOperations.GetSelectedOrClosestTarget` has
- the same player-exclusion bug #298 fixed for graphical hosts.
- MEDIUM.** `src/AcDream.Headless/Hosting/HeadlessGameplayOperations.cs:235-244`
- checks explicit selection via `RuntimeHostileTargetQuery.IsHostile`
- (`src/AcDream.Runtime/Gameplay/RuntimeHostileTargetQuery.cs:73-101`), which is
- the monster-only `CombatTargetPolicy.IsHostileMonster` gate — structurally
- identical to the bug #298 fixed in `CombatAttackTargetSource`/
- `SelectionInteractionController`. A headless bot that explicitly selects a
- compatible-PK player and attacks will fall through to `SelectClosestTarget()`
- (since `AutoTarget` is hardcoded `true` at `:128`) instead of attacking the
- selected player. Pre-existing (not introduced by #298 — confirmed by the
- same `9966b531`/`3361a8d7`/`2644d1d5`/`0f2d98c5` diff boundary #297 used), but
- the graphical/headless behavioral *divergence* is new as of the #298 commit,
- and Slice K makes headless a first-class host, so the gap is now live for bot
- PvP. Fix shape: same split as #298 — add an `ObjectIsAttackable`-backed
- explicit-admission query to `RuntimeHostileTargetQuery` (or a sibling) and
- route `GetSelectedOrClosestTarget`'s explicit branch through it, leaving
- `FindClosest`/auto-acquisition on the narrow policy. Filed from the #298
- review.
-
-## WeenieError message-mapping coverage — 2026-08-03
-
-- **#306 — OPEN — `WeenieErrorMessages` should map every code retail's
- `HandleFailureEvent` switch displays, not accumulate a bigger partial
- table. MEDIUM–LARGE (string-table port + two structural gaps).**
- Filed after fixing #504 (`YouAreNonPKAgain`, "WeenieError 0x0504" shown
- on a PK Lite status reversion) by hand-recovering four strings; that
- session also mapped the retail switch's true shape, which changes the
- scope of "finish this" considerably from what a quick read suggests.
-
- **The goal is complete coverage, not a bigger partial map.** Today
- `src/AcDream.Core/Chat/WeenieErrorMessages.cs` maps 60 of 378
- `WeenieError` enum values (`src/AcDream.Core/Physics/WeenieError.cs`);
- the raw `WeenieError 0xNNNN[: param]` fallback is the norm for any code
- a player actually triggers outside chat/channel/tell/allegiance
- chatter. Target state: `WeenieErrorMessages` handles every code
- retail's switch handles, and the raw fallback is a genuine last resort
- for codes retail itself never displays — not a "we haven't gotten to
- it yet" placeholder.
-
- **Authoritative source + extraction method.** The complete display
- switch is `ClientCommunicationSystem::HandleFailureEvent` @0x00571990,
- decompiled at
- `docs/research/named-retail/acclient_2013_pseudo_c.txt:382616`+. Each
- case constructs a literal UTF-16 string and calls
- `ClientSystem::AddTextToScroll`. **The pseudo-C dump truncates long
- string literals at their declared array bound mid-sentence** (e.g.
- `data_7d32c0`'s declared `wchar16 const [0x5f]` stops at "...protection
- of the Lig", but the real null-terminated string in the binary is 139
- chars, not 95). The exact text must be recovered from the PDB-paired
- binary at `C:\Users\erikn\Downloads\acclient.exe` (imagebase
- 0x400000, verify pairing with `tools/pdb-extract/check_exe_pdb.py`
- first) via VA → RVA → file-offset mapping — the technique is written
- up in `claude-memory/reference_pe_byte_decode.md`. **Guessing a string
- ending is not acceptable; an unrecoverable string must stay unmapped
- rather than be approximated** — a wrong message is worse than a raw
- hex code, because it reads as authoritative when it isn't. (Some
- strings are NOT truncated — the dump appends `, 0` right after the
- closing quote when the declared array bound exactly equals string
- length + 1; those can be transcribed directly without touching the
- binary. Truncation is only a risk when there's no trailing `, 0`.)
-
- **Scope the switch precisely — it is not one contiguous band.**
- Binary Ninja renders the compiled switch as **(at least) six separate
- `switch (arg2) { ... }` blocks**, all reported at the same decompiler
- block address `0x00571dc5` — a decompiler/codegen artifact from the
- compiler lowering one sparse switch into several contiguous
- range-checked jump tables chained together (each guarded by its own
- `if (arg2 > X) { if ((arg2 - Y) <= Z) switch(arg2) {...} }`). One
- example, confirmed by dumping its jump table
- (`acclient_2013_pseudo_c.txt:385851-385971`): `arg2 > 0x4e8` then
- `(arg2 - 0x4e9) <= 0xaa` selects a 171-entry table covering codes
- `0x4e9`–`0x593`. That is only the *highest* of the six sub-switches —
- do not mistake it for the whole thing. A mechanical scan of the full
- function body (`grep -oE "case 0x[0-9a-f]+"` over
- lines 382616–385971) found **339 distinct case values**, spanning
- `0x17`–`0x593` in 41 contiguous runs with gaps between them. Codes
- that appear in none of the six sub-switches (and are not one of the
- five `AbortAutomaticAttack`-only codes below) are the legitimate
- fallback set — retail truly does not display them via this path. This
- 339-code figure was obtained by grep, not exhaustive verification
- against our enum's numeric values (see verification note below) —
- treat it as a strong estimate, not a final count.
-
- **Three structural gaps mean this is not a pure string table:**
-
- 1. **Per-case colour.** Every case calls
- `ClientSystem::AddTextToScroll(this, &str, , 1, 0)` with a
- colour argument — a scan of the whole function found exactly three
- distinct values in use: `0` (162 call sites), `0x1a` (113 call
- sites), `7` (59 call sites). `WeenieErrorMessages.Format` has no
- colour concept today; `ChatLog.OnWeenieError` emits a plain
- `ChatEntry` with `Kind: ChatKind.System` and no colour field.
- Before porting the full table, check whether `ChatEntry`/`ChatVM`
- can express a per-entry colour at all — if not, that's a
- prerequisite sub-task, not a detail to skip.
- 2. **`AbortAutomaticAttack` side effect — verified true.**
- `HandleFailureEvent` opens with:
- ```
- if (arg2 == 0x43 || arg2 == 0x3f7) goto label_5719de;
- if (arg2 == 0x3e || arg2 == 0x23 || arg2 == 0x36) goto label_5719de;
- label_5719de:
- if (ClientCombatSystem::GetCombatSystem() != 0 &&
- ClientCombatSystem::RepeatAttackInProgress(...) != 0)
- ClientCombatSystem::AbortAutomaticAttack(...);
- ```
- (`acclient_2013_pseudo_c.txt:382625-382630`, block
- `0x005719b1`-`0x005719fe`). Confirmed against our enum:
- `0x0043=NoMtableData`, `0x03F7=YouAreTooFatiguedToAttack`,
- `0x003E=YouAreTooTiredToDoThat`, `0x0023=MotionFailure`,
- `0x0036=ActionCancelled` — all combat-failure codes, so the
- behaviour is coherent (stop swinging on a swing-failure error).
- Also confirmed: this check runs *before*, and independently of,
- the display switches — `0x43` has no case label anywhere in the
- 339-value scan (abort-only, no scroll text), while the other four
- also have their own display cases further down (so they both show
- text *and* aborted an in-progress auto-attack). acdream has no
- equivalent hook — an auto-attack that should stop on any of these
- five errors currently keeps swinging. This is a real gameplay gap,
- not cosmetics, and should land as its own sub-task (find
- acdream's repeat-attack/auto-attack state — likely
- `RuntimeActionState`'s combat-attack owner per J5.3 — and the
- equivalent abort call) rather than be bundled silently into the
- string-table commit.
- 3. **`%s`-parameterised (WithString) cases.** A meaningful fraction of
- the 339 cases build their string via
- `PStringBase::sprintf(..., u"...%s...")` using
- `arg3->m_charbuffer` (the event's string parameter) rather than a
- bare literal — e.g. case `0x4e9`/`0x4ea` (`acclient_2013_pseudo_c.txt:382636-382653`).
- These map to `WeenieErrorWithString` on our side
- (`WeenieErrorMessages.WithStringTemplates`, `_`-placeholder
- convention). When porting, classify each case as plain-literal
- (→ `NoParamTemplates`) or `%s`-templated (→ `WithStringTemplates`)
- — do not assume the split matches `WeenieError` vs
- `WeenieErrorWithString` enum membership 1:1 without checking, since
- ACE's wire dispatch and retail's switch are independently
- authored.
-
- **Verification shape (378 hand-transcribed strings is exactly where
- silent typos live).** Recommended before merging the full port:
- - A test that iterates every code `WeenieErrorMessages` claims to
- map and asserts `Format(code, ...)` never returns the
- `WeenieError 0x...` fallback form (catches accidental
- no-ops/typo'd dictionary keys).
- - A mechanical cross-check against the extracted data rather than
- eyeballing: e.g. a one-off script that walks the PE bytes for every
- `data_7dXXXX` address referenced by a `case` in the six sub-switches
- and asserts the transcribed C# literal matches the recovered bytes
- exactly (reusing the VA→offset routine from the #504 fix). Treat any
- mismatch as a hard stop, not a judgment call.
-
- Prior art from this session: `src/AcDream.Core/Chat/WeenieErrorMessages.cs`
- (0x0504/0x0505/0x04EC/0x04ED, each cited with its case address and
- `data_7dXXXX` symbol) and
- `tests/AcDream.Core.Tests/Chat/WeenieErrorMessagesTests.cs`.
-
-## C4 accepted-position authority — 2026-08-03
-
-- **#307 — DONE (2026-08-03) — `AcceptedPhysicsTimestamps.PreviousTeleport` was
- always 0 on the live Position path, silently dropping every local-player
- ForcePosition correction after the character's first teleport.**
- `InboundPhysicsStateController.TryApplyPosition` called its private
- `Current(gate, teleportAdvanced: …)` helper without the `previousTeleport`
- argument, which defaulted to a literal `0`. The only site that populated it
- was the deferred initial-create path `TryAcceptDeferredPosition`, which is
- why `RuntimeInitialCreateContinuationExecutor` was correct and every newer
- consumer was not.
-
- **Live blast radius.** Shipped in C4 route 2 (`9966b531`).
- `LiveEntityNetworkUpdateController.cs` and
- `RuntimeLiveEntitySessionController.cs` feed the value into
- `RuntimeAcceptedPositionDriveController.TryExecuteAcceptedLocalPosition`,
- where `RuntimeAuthoritativePositionRouteClassifier.ValidAcceptedAuthority`
- requires `PreviousTeleportSequence == AcceptedTeleportSequence` for a
- `ForcePosition` disposition — which is exactly what retail's FORCE_POSITION
- branch guarantees (`SmartBox::HandleReceivedPosition` @0x00453FD0 fires only
- when the packet's teleport stamp equals the live one, and never advances it).
- With `Previous` pinned to 0, any player whose TELEPORT_TS had advanced — i.e.
- anyone who had portalled or recalled that session — had the authority
- rejected and the server's force correction dropped. Route 2's user
- acceptance was genuine but narrow: the acceptance character had never
- teleported, so the stamp was still 0. A second latent consequence: with
- an accepted stamp ≥ 0x8000 the wrap-safe `TeleportRegressed` check would
- also have fired against the 0, rejecting ordinary `Apply` positions too.
-
- **Fix.** Capture `previousTeleport = gate.TeleportTimestamp` BEFORE
- `TryAcceptPositionEvent` mutates it (the exact shape
- `TryAcceptDeferredPosition` already used) and pass it through. The zero
- default on `Current` is removed outright — the parameter is now `ushort?`
- defaulting to the gate's own live stamp, so the channels that cannot move
- TELEPORT_TS get "previous == current" by omission instead of a silent 0 that
- is indistinguishable from a real "never teleported".
-
- Regression tests:
- `InboundPhysicsStateControllerTests.TryApplyPosition_ReportsThePreEventTeleportStamp`
- and
- `…LocalPlayerForcePositionAfterATeleport_ClassifiesAsAnAcceptedForceCorrection`
- (the second drives the real classifier and fails with `RejectedAuthority`
- against the pre-fix behaviour).
-
-## C3c placement cutover — 2026-08-02
-
-- **#276 — OPEN — SpawnPlacementSettler discards the settle's resolved
- cell.** `SpawnPlacementSettler.TrySettle`
- (src/AcDream.Core/Physics/SpawnPlacementSettler.cs:61) commits
- `settle.Position` but never reads `settle.CellId`: a compressed
- first-gravity-frame settle whose few-cm sweep crosses a cell boundary
- (outdoor/EnvCell seam, stacked EnvCells) leaves the body's cell at the
- placement cell until the next resolve corrects it. Inherited #270
- semantics — shared by the remote spawn seed and the C3c local
- first-entry settle (register row AD-61). Fix shape: commit the
- settle's resolved cell through the same body/cell channel the per-tick
- resolve writeback uses; needs a conformance test placing a body above
- a floor whose containing cell differs from the wire cell. Found by C3c
- review round 1 (retail minor M2).
-- **#277 — OPEN — route-1 far-Create relies on a practical radius bound,
- not an invariant.** A graphical-host wire Create for a landblock the
- streaming window never reaches keeps its residence + one drive-pending
- entry for the session (re-Advanced per frame). Bounded today because
- the collision-publication window (5×5, two-tier N₁=4) is strictly
- larger than ACE's Create-broadcast group, so the far set is empty; if
- C4 changes either radius, route 1 needs the F7-style
- service-window/celless conversion
- (`HeadlessSessionWorldProjection.cs:557-570` is the template). Wake
- and despawn-reap paths are verified correct (C3c adversarial delta
- review). Related narrowing: a remote whose landblock leaves the
- headless service window between ProjectSpawn and placement commit
- still parks (route 8, rarer than the pre-F7 leak).
-- **#278 — NARROWED 2026-08-03 — post-C3c user-session triage bundle.**
- Resolved and user-verified: (a) the persistent login purple haze no longer
- races raw PlayerCreate receipt (`175ad6b0`); (c) `/ls` works; (d) remote
- monsters no longer pop in behind the player or place/attack in a different
- coordinate frame (`670f307c`); (e) the retirement-receipt replay loop that
- stalled streaming and portal convergence is gone (`01f4791e`); and (f)
- materialization/effect presentation is bound after canonical placement
- (`f24532ad`, `175ad6b0`). The remaining item is (b): explicitly compare
- lateral glide against impassable slopes before closing this bundle (the
- original wording said "with open #269", but #269 was already DONE
- 2026-07-31 — the comparison itself is what survives). Far terrain that can visibly continue building after portal reveal
- is tracked separately as #280.
-- **#279 — DONE (2026-08-03, user-verified) — one-shot spell/effect
- scripts arriving during the suppressed-until-receipt window were lost.**
- `EntityEffectController` now retains the mixed F754/F755 FIFO behind an
- exact-incarnation initial-presentation barrier and replays it only after
- canonical placement has bound the mesh, pose owner, and particle visibility
- resources. Live rebuckets also keep the effect cell synchronized with the
- entity cell. Spell buffs, recalls, arrows, and combat spell projectiles were
- verified in the connected client; focused effect, projectile, and
- cell-transition tests cover the race. Landed at `f24532ad`.
-- **#280 — CLOSED 2026-08-06, user-accepted at the C5c connected gate —
- portal reveal could expose an incompletely streamed distant landscape.**
- **Gate result:** *"now portal space takes longer but terrain is complete when
- I exit"* — both halves of the specified criteria (a measurably longer hold,
- and a complete destination on reveal). Probe evidence in
- `c5c-gate-after2.log`: three Portal reveals plus a Login reveal, **every one
- at `radius=12`** where pre-fix it was a hardcoded `1`, each portal hold
- raising the wait cue at ~5.0 s before completing. An accidental but genuine
- A/B was obtained in the same session: an earlier run set
- `ACDREAM_PROBE_REVEAL_RADIUS=1` — that variable is a radius **value**, not an
- on/off flag — which forced the pre-fix window, and the user observed the
- original defect under it and not under `radius=12`.
- **Fixed across `3aab05b0` (derivation), `73cdb95c` (D-1, an unrecoverable
- portal hang found by review), `bcb66ccd` (the atlas-tier seam its fix
- depends on).** Residual **AP-149** stays open: our outer ring accepts
- terrain-only readiness where retail's `PreFetchCells` also requires each
- landblock's `LandBlockInfo` and every building's EnvCells — so distant
- *scenery* may still fill in after reveal even though terrain does not.
- Deliberately not folded in; it costs further hold time and is a game-feel
- call. Historical description follows.
- User-observed 2026-08-03: after some recalls, the nearby destination is
- playable but terrain near the far end of the view continues visibly building
- after portal space exits. **Premise correction (the original text named a
- setting that does not exist):** acdream has no "configured view distance" —
- `grep -rniE "viewdistance|view_distance|LandscapeDrawDistance|DrawDistance"`
- over `src/` returns nothing. The correct premise is the configured
- *streaming/fog* window, `QualitySettings.FarRadius`: at the shipped `High`
- preset the user sees terrain out to the fog end
- (`FarRadius * 192 m * 0.95` ≈ 2,189 m) inside a 2,304 m Far window, while the
- outdoor reveal gate opened at a hardcoded radius-1 3×3 neighbourhood
- (≈192 m) — an 11.4:1 ratio where retail's is 1:1 by construction, because
- retail's prefetched, loaded and drawn squares are literally the same array
- (`LScape::mid_radius`; `LScape::PreFetchCells` @0x00505660). The conclusion
- in the original text was right; the premise was not.
- **Fix correction:** raising the constant alone could not work, twice over.
- `StreamingController.IsRenderNeighborhoodResident` demanded `IsNearTier` for
- every ring member, so any radius above `NearRadius` was unsatisfiable and
- would have held the reveal forever; and
- `RuntimeWorldTransitState.AcknowledgeDestinationReadiness` re-derived and
- asserted `indoor ? 0 : 1`, so a changed radius failed
- `invalid-readiness-shape` and the reveal never opened. The landed change is a
- radius derivation **and** a tier-aware predicate **and** an invariant
- loosening, plus the forced allocation fix in
- `PhysicsEngine.IsNeighborhoodTerrainResident`. Contract:
- `docs/research/2026-08-05-280-contract.md`. Residual filed as register row
- AP-149 (the outer ring accepts terrain-only publication where retail requires
- LandBlockInfo and every building EnvCell).
-- **#326 — OPEN — acdream has no Viewing Distance option.** Retail exposes one
- user-facing landscape-extent preference,
- `Render.LandscapeDrawDistance` — a six-position enum
- (`Render_LandscapeDrawDistance_Values` @0x007CA988 = 3/5/8/11/15/25, labels
- VeryLow/…/Extreme, **default 8**, both byte-verified), registered at
- `UserPreferences::RegisterPreference` @0x0054ECBE and pushed into
- `SmartBox::set_mid_radius` @0x00453180. acdream's structural analogue is the
- quality preset's `NearRadius`/`FarRadius` pair, which is not separately
- user-controllable. Split out of #280 deliberately (§3/§14 of that contract):
- #280 derives its reveal window from whatever feeds the streaming radii, so
- this feature lands by changing what feeds them and #280's derivation keeps
- working untouched.
-- **#327 — OPEN — acdream has no analogue of retail's DDD prefetch progress
- readout.** While `CellManager::blocking_for_cells` is latched, retail reports
- `ECM_DDD::SendNotice_RuntimeDDDStatus(active, remaining, total)` @0x00692870
- into `gmPowerbarUI::RecvNotice_RuntimeDDDStatus` @0x004DA5C0, which drives a
- powerbar progress bar with an "N of M" cell count (string id
- `ID_Powerbar_DDDModeText`). acdream shows only the centered
- "In Portal Space - Please Wait..." cue. #280 makes reveal holds longer and
- more frequent, which makes the missing readout more noticeable.
-- **#328 — OPEN — the camera far plane is a hardcoded 5000 f in four camera
- classes.** `RetailChaseCamera.cs`, `ChaseCamera.cs`, `FlyCamera.cs`,
- `OrbitCamera.cs` each hardcode it with no config path. Retail's
- `Render::zfar` is statically initialised to **4000.0** (byte-verified at
- `0x0081EC88`), and the only writers are `GameSky::Draw` @0x00507055 /
- @0x005070EE, which temporarily multiply by 4 for the skybox and restore.
- Independent of #280 — in both clients the landscape horizon is the landblock
- window, not the frustum — but it is an uncited divergence.
-- **#281 — DONE (2026-08-03) — the stabilization commits left the automated
- suites red, and the world-frame contract they introduced had no coverage.**
- The 2026-08-03 handoff recorded "six selected fixture failures". A measured
- baseline found **43**: the App suite was fully green at `01f4791e` and
- `670f307c` broke 28 tests in one commit (`f24532ad` added 2 more), while the
- Runtime suite lost 13 — 12 of them in `RuntimeRemoteFirstEntryStateTests`,
- the exact conductor `670f307c` gated. Both commits were gated on focused
- runs only. Root cause A (`670f307c`): remote first-entry placement now
- resolves its landblock-local Create origin through Runtime's world frame
- (`RuntimeSetPositionState.PrepareMover`) and returns
- `RetrySetupUnavailable` until that frame exists, and ONLY the accepted
- local-player Create publishes it
- (`RuntimeEntityObjectLifetime.RegisterEntityCore` ->
- `RuntimePhysicsState.ObserveLocalWorldFrame`). Fixtures that drove remote
- conductors in a player-less world — a state production never occupies —
- parked forever, so residences never retired. The production gate is correct
- and matches App's own `LiveWorldOriginState` (initialized from the player
- spawn; `Recenter` called only from
- `StreamingOriginRecenterCoordinator.Advance` at a teleport boundary), so the
- fixtures were stale, not the assertions: every one was repaired by supplying
- the missing precondition without altering a single expected value. Root
- cause B (`f24532ad`): `EffectCellId` is now populated at materialization and
- wins over `ParentCellId` in `EntityEffectPoseRegistry.UpdateRoot`, and
- projectile classification reads the canonical body's own
- `CellPosition.ObjCellId` instead of deriving it from the sidecar. Two
- rendering fixtures still modelled the pre-change shape. New
- `RuntimeWorldFrameTests` pins the previously untested contract, including
- the load-bearing rule that ordinary movement across a landblock boundary
- must NOT rebase the frame while an accepted teleport must. Complete Release
- solution: 10,831 passed / 4 skipped / 0 failed.
-
- **Retail oracle:** `CellManager::PreFetchCells @ 0x00455820` sets
- `blocking_for_cells` until `LScape::PreFetchCells @ 0x00505660` has walked
- the configured `mid_radius` square and each required
- `CLandBlock::PreFetchCells` / `CLandBlockInfo::PreFetchCells` building and
- connected EnvCell dependency is available. While blocked,
- `SmartBox::UseTime @ 0x00455410` checks prefetch status but does not advance
- ordinary object maintenance, physics, landscape, game time, or ambient
- audio; the portal viewport and UI remain live and may show retail's centered
- "In Portal Space - Please Wait..." notice. Once the destination is ready,
- retail resumes it behind the portal viewport during `TAS_TUNNEL_CONTINUE`
- before the later tunnel-to-world reveal.
-
- **Fix shape:** replace the hard-coded radius-one reveal requirement with a
- retail-derived, quality-configured destination prefetch window and keep one
- generation-scoped reservation across terrain, statics/buildings, EnvCells,
- render publication, composite textures, and collision until that complete
- visible window is ready. Preserve bounded asynchronous preparation and the
- existing wait cue; never reveal early merely to meet a timeout. Do not wait
- for an unknowable "all dynamic server objects delivered" condition—ACE has
- no such terminal marker and some object delivery follows LoginComplete.
-
- **Acceptance:** at every quality/view-distance setting, repeated login,
- `/ls`, spell recall, and portal routes reveal no constructing terrain,
- buildings, statics, interiors, missing composite textures, or nearby
- collision; slow destinations remain in the authored portal presentation
- with responsive UI until ready, then receive the existing hidden settling
- interval before the world viewport appears. Dynamic monsters/items may
- continue to arrive authoritatively after reveal.
-
## Current queue — 2026-07-27
- **Structural handoff:** all eight `GameWindow` decomposition slices and the
@@ -6860,15 +35,13 @@ it. Do #297 FIRST — #298 depends on it.
[`docs/architecture/code-structure.md`](architecture/code-structure.md).
- **Active M4 prelude:** resume
[`plans/2026-07-23-world-interaction-completion.md`](plans/2026-07-23-world-interaction-completion.md).
- Slices 1–4, including equipped-child picking, are user-accepted. Vendor
- browsing and authoritative transactions remain Slices 5–6.
+ Slices 1–3, including the complete assessment surface, are user-accepted.
+ Equipped-child picking and vendor browse/transactions remain Slices 4–6.
- **Separate rendering gate:** `#225`, lifestone/particle alpha ordering. Its
connected performance, lifetime, and unattended portal routes pass.
-- **Carried behavior debt:** `#116` slide response, `#273` tight-gap
- collision clearance, and deferred restricted-house gate `#274`;
- `#153` closed 2026-07-30 on the AD-30 hold + arrival StopCompletely +
- canonical outbound + reveal-barrier evidence chain). TS-50/TS-51/TS-53 are
- tracked in the divergence register.
+- **Carried behavior debt:** `#153` far-teleport unstreamed-edge arrival and
+ `#116` slide response. TS-50/TS-51/TS-53 are tracked in the divergence
+ register.
- **Deferred visual fidelity:** `#226` retail landscape detail overlay.
- **Deferred frame-pacing fidelity:** `#235`, capped/RDP jump presentation
aliases the retail 30 Hz object clock; uncapped Release presentation is
@@ -6924,439 +97,6 @@ Copy this block when adding a new issue:
---
-## #275 — Unify the legacy Position wire path onto the executor's route classifier
-
-**Status:** CLOSED 2026-08-05 (C5b) — behaviour unified; the remaining
-structural item is tracked below, not by this issue
-**Severity:** LOW (internal refactor debt; not a retail divergence)
-**Component:** Runtime / inbound Position
-
-**Description:** the legacy `InboundPhysicsStateController.TryApplyPosition`
-(today's only production Position wire caller) has no route-classification or
-contact concept; the continuation executor's `ApplyPositionAction` runs
-`RuntimeAuthoritativePositionRouteClassifier` with the wire's own `IsGrounded`
-bit and threads the classified `installPlacementFrame`/`clearParent` flags
-(register rows AP-131 documents the legacy caller's unconditional flags, AD-60
-the cell-semantics difference). When the production cutover wires the executor
-in, unify the legacy caller onto the same classifier (or delete it with the
-route) and retire AP-131/AD-60's legacy halves. See
-`InboundPhysicsStateController.TryApplyPosition` remarks.
-
-**Resolution (C5b, 2026-08-05, `docs/research/2026-08-05-c5b-contract.md`).**
-The steady-state merge was CORRECTED rather than deleted — it is still the only
-production Position wire caller, and the issue's alternative branch ("or delete
-it with the route") was not taken. Two behaviour changes landed atomically:
-`TryApplyPosition` now computes `installPlacementFrame`/`clearParent` pre-merge
-from `(disposition, hasAnimations(old))`, which is exactly the classifier's own
-two rows because retail decides both writes ahead of `MoveOrTeleport`; and the
-merge stops deriving `FullCellId` from bare wire acceptance
-(`refreshPosition: false`). AP-131 retired, AD-60's legacy half retired and
-its row rewritten to name the surviving wire-cell channels (W2 the prologue
-rebucket, W3 the post-routing adopt).
-
-**What deliberately remains, and is NOT this issue.** The two computations are
-still separate small pure expressions in two places rather than one shared code
-path — they are pinned equal by
-`InboundPhysicsStateControllerTests.MergedPrePlacementFieldsMatchTheClassifiedRouteFlags`,
-which uses the production classifier as the oracle. Wiring the continuation
-executor into the steady-state path is a separate structural decision that no
-longer has any behavioural motivation behind it.
-
-**Successor filed 2026-08-05 at the C5b review (finding S1): #322.** This
-closure originally left "the remaining structural item is tracked below" with
-no ID, and the production comment on
-`InboundPhysicsStateController.TryApplyPosition` pointed at `docs/ISSUES.md`
-for a follow-up that did not exist. Both now cite #322.
-
----
-
-## #274 — Restricted/barred-house entry needs a connected retail comparison
-
-**Status:** OPEN — explicitly deferred by the user on 2026-07-31
-**Severity:** LOW (validation debt; no confirmed failure)
-**Filed:** 2026-07-31
-**Component:** physics / EnvCell entry restrictions
-
-**Description:** Campaign P ported retail
-`CObjCell::check_entry_restrictions` and retired AP-71, but the final
-connected barred-house scenario was not run. The user requested that this
-gate be deferred and retained as an issue rather than block current work.
-
-**Acceptance:** at a known restricted house, use equivalent characters in
-retail and acdream. Both must reject an unauthorized character at the same
-threshold, while an owner/guest enters normally. Record the house/cell,
-character access state, and result before closing.
-
----
-
-## #273 — ACDream can squeeze through tight world gaps that block retail
-
-**Status:** OPEN — live mismatch confirmed 2026-07-31; exact location/capture
-still required
-**Severity:** MEDIUM (world traversal differs from retail)
-**Filed:** 2026-07-31
-**Component:** physics / player collision shape and cell collision
-
-**Symptom:** in some tight world-geometry passages, acdream can pass through
-a gap that blocks the retail client. The Campaign P wall/corner slide,
-crowd, remote movement, door, portal, and general collision checks otherwise
-passed.
-
-**Scope:** this is not folded into #116, which tracks a specific
-near-perpendicular slide-response/fixture family. The new symptom is
-under-blocking or clearance divergence and may involve the active player
-sphere list, scale/pose, candidate-cell collision set, or a missing
-world-collision primitive.
-
-**Next evidence:** record one exact reproducible location, heading, movement
-input, character scale/equipment, and cell ID in both clients. Capture the
-acdream transition path and active Setup-derived sphere list before changing
-collision math.
-
-**Acceptance:** the captured tight gap blocks or permits traversal at the same
-clearance as retail without regressing normal doorways, stairs, wall grazing,
-or crowd movement.
-
----
-
-## #272 — Strength enchantments do not invalidate burden
-
-**Status:** DONE — 2026-07-31 (implementation, automated gates, and user live
-buff/death gate)
-**Severity:** HIGH (movement state and retained HUD disagree with retail)
-**Filed:** 2026-07-31
-**Component:** player qualities / enchantments / burden
-
-**Symptom:** while overburdened, casting a Strength spell did not reduce the
-burden state until the base Strength attribute changed. Dying purged the
-Strength spell but did not restore the overburdened state.
-
-**Root cause:** `LiveSessionEventRouter.RecomputeBurden` read raw
-`AttributeValue.Current` and subscribed only to base Strength/object-table
-changes. The indicator bar and inventory meter had the same raw-Strength
-composition, and the inventory meter did not observe enchantment changes.
-Retail `CACQualities::InqLoad @ 0x0058F130` calls
-`CACQualities::InqAttribute @ 0x00591A00`, which applies
-`CACQualities::EnchantAttribute @ 0x00594570`; every load query therefore uses
-effective Strength.
-
-**Fix:** all three consumers now read
-`LocalPlayerState.GetEffectiveAttribute(Strength)`. The Runtime burden owner,
-indicator bar, and inventory meter subscribe to the canonical
-`Spellbook.EnchantmentsChanged` edge, covering add, remove, expiration,
-dispel, and death purge through one path. Regression tests pin both
-buff-to-unburdened and purge-to-overburdened transitions without any base
-attribute update.
-
-**Acceptance:** overload a character, cast a Strength spell, and observe the
-burden icon/meter plus movement update immediately. Die while the spell is
-active and observe the spell purge restore the overburdened icon/meter and
-movement immediately. **Passed live 2026-07-31:** the user confirmed the
-burden state now updates correctly.
-
----
-
-## #271 — Stair-side collision reverses uphill movement and rapidly slides the player down
-
-**Status:** DONE — 2026-07-31 (implementation + user live gate)
-**Severity:** MEDIUM (movement feel and navigation)
-**Component:** physics / `edge_slide` / `precipice_slide`
-
-**Symptom:** while running diagonally up an outdoor staircase and pressing
-against its side, the character could suddenly move backward and slide rapidly
-to the bottom.
-
-**Root cause:** a 677-quantum live trace caught the first bad frame. A valid
-X side-wall collision turned a requested `+0.88377` uphill Y displacement into
-`-0.34059`, followed three frames later by a 1.52 m snap to terrain.
-`EdgeSlideAfterStepDownFailed` promoted ACDream's separately retained
-`LastWalkable` polygon into the current `SPHEREPATH::walkable` slot. At the
-stair side this could be the preceding tread, so `PrecipiceSlide` projected
-against stale geometry and reversed the tangent.
-
-Named-retail `CTransition::edge_slide @ 0x0050B3D0` never substitutes an older
-polygon: when current `walkable` is null it back-probes at the current sphere
-center, restores the failed candidate, and only then invokes
-`SPHEREPATH::precipice_slide @ 0x0050CC80`. Both stale-history substitutions
-are removed. The exact captured frame is pinned against the installed stair
-fixture: pre-fix output moved downhill to Y `75.346481`, while the retail-flow
-result advances uphill to Y `76.078186` and Z `60.016247`. Core Release passes
-4,108 tests / 2 skips; the complete Release solution passes 10,062 tests /
-5 skips. The user then repeatedly climbed the same stairs while pressing into
-their sides and confirmed the rapid downhill slide was gone. Evidence:
-`docs/research/2026-07-31-271-stair-side-slide-capture.md`.
-
----
-
-## #270 — Stuck spell animations + intermittently missing monster attack animations
-
-**Status:** CLOSED 2026-07-31 — both symptoms user-verified fixed (stuck casts: exhaustion-edge gate `a46c8e65`; missing monster attack animations: spawn settle placement `21b3a3f3` + lost-cell retry `807fdb5f`). Final settle-session log: 14/15 spawn settles grounded; Falling-refusal spam 2,954 → 15 transient pre-settle lines. All #270 probes stripped.
-attack-animation misses under investigation with the [remote-edge] probe
-**Severity:** HIGH (combat/casting presentation)
-**Component:** motion re-dispatch cadence / remote action animations
-
-**Local stuck casts — root cause CONFIRMED and fixed:** Campaign P P1 wired
-`ApplyMovementStats` to call `MotionInterpreter.ReportExhaustion()` on EVERY
-movement-stats application — i.e. every stamina regen/drain tick. Each call
-re-dispatches the current movement state through the animation sink,
-truncating any in-flight action animation; the diagnostic session log shows
-490 spurious casting-stance re-queues while the user was in magic mode.
-Retail fires `CPhysicsObj::report_exhaustion` from exactly ONE site —
-`CommandInterpreter::HandleExhaustion` (0x006b3c70), a notification handler
-invoked on the stamina-EXHAUSTION EVENT. Fix: the re-apply now fires only
-when the exhausted state (stamina == 0) transitions; skills/burden/stamina
-still reach `PlayerWeenie` immediately (the next natural dispatch picks up
-rate changes, exactly retail).
-
-**Monster attack misses — ROOT CAUSE FOUND AND FIXED (2026-07-30, third
-session):** the [MT-FAIL] probe caught combat-stance monsters constantly
-failing to dispatch motion 0x40000015 = FALLING — their bodies were
-airborne-FLAGGED while standing on the ground. `contact_allows_move`
-(0x00528dd0) requires Contact+OnWalkable on the body and silently refuses
-every action animation for an "airborne" mover — a spawned-standing
-monster's attack swings never played until it first moved (movement →
-resolve → floor touch → contact). Retail never has this state: CreateObject
-spawns run the placement transition (`CPhysicsObj::SetPosition` →
-SetPositionInternal 0x00515330), which establishes contact at spawn; our
-remote creation seeded a raw position with no placement. Fix:
-`SeedRemoteSpawnPlacement` runs the engine placement resolve + the
-verbatim `CommitSetPositionTransition` at BOTH RemoteMotion creation sites
-(UM-triggered and first-UP), mirroring `RemoteTeleportPlacement`. Earlier
-theories eliminated en route: remote edge-drains (zero edges fired), the
-legacy stop-detector (dead code), cycle hard-swap (the funnel uses the full
-motion-table link machinery), 0x00D3 misread (= CastSpell, casters animate
-fine), motion-table port (offline sweep: all 27 "failures" are non-caster
-tables never sent CastSpell). Probes [UM-ACT]/[MT-FAIL]/[remote-edge]
-remain in place (ride ACDREAM_DUMP_MOTION=1) until the user gate passes.
----
-
-## #269 — Slope-stop slide runs too far (post-bounce-rework residual)
-
-**Status:** DONE — 2026-07-31 (implementation + user live gate)
-**Severity:** LOW-MEDIUM (feel residual; bounce family otherwise accepted)
-**Component:** physics / landing slide decay
-
-**Symptom:** after the #265 landing-bounce rework (accepted: downhill
-bounce chain, flat pop, uphill clean landing), the user reports the
-character SOMETIMES slides too far when stopping on slopes vs retail.
-
-**Byte-verified NOT the cause (all decoded from the PDB-paired binary this
-session — do not re-audit):** `calc_friction` 0x0050ee70 is byte-identical
-to our port in BOTH branches (0.25 dot gate, into-plane removal,
-`(1-friction)^dt` decay, DEFAULT_FRICTION 0.95, sled bands 1.5625/6.25 +
-cos(10°) with base 0.2); the jump chain end-to-end (`GetJumpHeight`
-0x006b09b0 exact incl. 1300/22.2/0.05/0.35, `InqJumpVelocity` 0x00592980
-`vz=sqrt(h*19.6)`, powerbar charge 1.0 s / 0.8 s dual-wield) — the user's
-"we jump too high" hypothesis is REFUTED, jump height is retail-parity
-(the former five-point effective-skill gap was closed by #268). Retail has no
-Sledding auto-toggle (P2 finding re-confirmed; no `state |= 0x800000`
-writer exists).
-
-**Resolution (2026-07-31):** a 2,184-quantum live capture isolated the
-first divergence. The landing tick produced retail's correct 5% reflect,
-but the following quanta repeatedly restored
-`LastKnownContactPlane` while retaining the reflected velocity. The body
-therefore remained Contact + OnWalkable with `v·n > 0.25`, where retail
-`calc_friction` intentionally does no work, and slid at full speed.
-
-Named-retail `CTransition::validate_transition @ 0x0050AA70` revealed the
-omission: its non-OK remembered-plane recovery calls
-`OBJECTINFO::kill_velocity @ 0x0050CFE0` *before* the proximity test and
-plane restore (`0x0050AAED–0x0050AB42`). It also consumes the remembered
-plane only in that non-OK branch and overwrites last-known validity from
-the final contact plane at `0x0050ACFF`. ACDream now follows that exact
-ordering. Focused collision-recovery and clean-advance pins pass; full
-Core (4,107/2 skips) and Runtime (439/0) suites pass; the user repeated the
-slope-jump test and accepted the result (“Perfect! Works great!”).
-Capture and decode:
-`docs/research/2026-07-31-269-slope-stop-capture.md`.
-
----
-
-## #268 — Character panel: vitae color, buff coloring, and augmentation bonuses
-
-**Status:** DONE — 2026-07-31 (implementation + user visual/live gate).
-**Severity:** MEDIUM (presentation parity)
-**Component:** retained UI / character window
-
-**Resolution:** the shared Core `PlayerSkillMath` now ports
-`CACQualities::InqSkill @ 0x00592660` in retail order for both the
-character panel and Runtime movement: intrinsic skill, positive
-`LumAugAllSkills` (0x16D), the authored +10 melee/missile/magic category
-augmentation, `EnchantSkill`, then +5 Jack of All Trades (0x146) and
-`2 × LumAugSkilledSpec` (0x158) for specialized skills. Live player
-PropertyInt updates recompute the Runtime snapshot, so the display and
-run/jump prediction cannot drift.
-
-`AttributeInfoRegion::Update @ 0x004F1910`,
-`Attribute2ndInfoRegion::Update @ 0x004F19E0`, and
-`SkillInfoRegion::Update @ 0x004F1AE0` now drive exact value coloring:
-green/red compare the non-vitae residual against the base, so a pure vitae
-penalty remains white. The selected-skill footer uses one shared inline-run
-text primitive matching retail `AppendTextWithFont`; its vitae fragment uses
-the authored LayoutDesc 0x2100002E / FooterTitle 0x1000024E palette index 3
-(#7FFFFF), while positive/negative buff fragments use palette indices 1/2
-(#00FF00/#FF0000). Attributes, secondary attributes, and skills share those
-exact colors. AP-127 and TS-8 are retired by the same stat-chain package.
-The user confirmed the live buff values, footer coloring, and immediate skill
-row refresh after the final retained-UI invalidation correction.
-
----
-
-## #267 — Vitae does not update the character panel's skills/attributes display
-
-**Status:** IMPLEMENTED 2026-07-30 (`cf2605fa`, merged) — closure pends
-the user visual check. Retail finding: primary attributes are
-VITAE-IMMUNE (`EnchantAttribute` 0x00594570 never references the vitae
-singleton) — only skills and vitals take the penalty. Panel now shows
-effective values; skill footer shows the vitae parenthetical (e.g.
-"(-100)", `SkillInfoRegion::GetVitaeModifier` 0x004f0fa0) plus a
-separate buff residual; refresh fires on EnchantmentsChanged.
-**Severity:** MEDIUM (matrix live gate 2026-07-30)
-**Component:** retained UI / character window / vitae
-
-**Symptom (user report):** with 5% vitae active, the skills and attributes
-values in the character window do not change; retail shows the CURRENT
-(vitae-reduced) value and, on click/detail, the current level with the
-vitae reduction in parentheses (e.g. "(-100)"). The P1 movement chain
-consumes vitae correctly (EnchantSkill for run/jump); the character
-window presentation does not.
-
-**Scoping (2026-07-30):** confirmed — `CharacterSheetProvider`/
-`CharacterStatController` contain zero vitae/enchantment references; the
-panel renders base property values only. Fix shape: thread the P1
-Spellbook accessors (vitae + `GetSkillMod`, extended to the attribute
-namespace as needed) into the sheet's value computation, and port the
-retail detail formatting (current level with the parenthetical
-reduction) from the gmCharacterUI text-building decomp — grep-named
-first, don't guess the format string.
-
----
-
-## #266 — Local player faster than a comparable retail character
-
-**Status:** CLOSED 2026-07-30 — root cause: ACE-inherited `>= 800` misread
-of retail's exact-equality run-rate sentinel
-**Severity:** HIGH (matrix live gate 2026-07-30; core speed parity)
-**Component:** movement / `MovementSystem.GetRunRate`
-
-**Root cause:** retail `MovementSystem::GetRunRate` (0x006b0950) returns
-18/4 = 4.5 ONLY when runSkill == 800 EXACTLY (byte-decoded `fcom [800f];
-test ah, 0x44; jp` — the C2/C3 parity equality idiom; <, >, and unordered
-all take the general formula). ACE misread the same x87 mush as
-`>= 800` ("max run speed?") and our P1 port inherited it via the
-ACE cross-reference. Every maxed character therefore ran a flat 4.5
-(retail-true ~3.70) — ~21% too fast and completely vitae-independent,
-because both the vitae-reduced and unreduced skill sat above 800. The
-controlled comparison (33%-vitae +Acdream vs 5%-vitae +Je, both maxed)
-showed acdream faster while retail runs them within ~0.4% — exactly the
-formula's prediction. The vitae/enchantment chain itself was verified
-intact end-to-end via [stat-chain] live capture (vitae 0.67 installed →
-eff run 10200 → applied to controller).
-
-**Fix:** `==` restores the general formula for all non-800 skills;
-golden tests pin 799/800/801 straddle + the maxed-skill vitae
-differential; `docs/research/2026-07-30-stat-coupled-movement-pseudocode.md`
-§6 corrected with the full byte decode and an explicit "do not re-import
-ACE's >= reading" warning.
-
-## #265 — Steep-slope response set: uphill-jump bounce, roof slides lost, edge wedge (TS-4 removal fallout — REVERTED)
-
-**Status:** IMPLEMENTED 2026-07-30 (landing-bounce rework: retail check_contact seed + SetPositionInternal commit + live 5% elasticity reflect; docs/research/2026-07-30-landing-bounce-family.md) — pending user live gate (downhill bounce chain, flat pop, uphill clean landing)
-user's visual-gate acceptance. The named culprit for symptoms (b) and (c)
-was capture-bisected to a THIRD, pre-existing (frozen-phase, predates
-Campaign P by ten days) mechanism — neither the S1 nor S2 suspects named
-below — and is now ported. Symptom (a) is confirmed a SEPARATE,
-pre-existing, already-closed retail-faithful mechanism (AD-25); see the
-"as-fixed" addendum for the full trace.
-**Severity:** HIGH (matrix live gate 2026-07-30, scenarios 4/5)
-**Component:** physics — grounded residual-velocity ownership
-(`PlayerMovementController.cs`), not BSPQuery/Path-6 (see below)
-
-**Symptoms (user report, on the shortcut-removed build):** (a) bouncing
-when jumping INTO an uphill slope — retail does not; (b) house-roof
-slides no longer happen ("as I used to"); (c) occasionally stuck sliding
-on an edge — the historical wedge, live, refuting the oracle plan's
-"pure-vertical degenerate only" convergence claim. The fixture-gated
-TS-4 removal under-modeled real trajectories, but a full capture-driven
-bisect (`docs/research/2026-07-30-265-capture-bisect.md`) cleared BOTH
-of the two named Campaign-P suspects for the two concrete mined freeze
-events:
-
-- **S1** (`db2889af`, BSPQuery Path-6 `hasSphere1`) — reverting it locally
- produced byte-identical replay output; its site is provably unreached
- by either mined trajectory (`hit1` never true across an 80-tick
- replay). Real, narrow, retail-faithful — NOT reverted.
-- **S2** (`calc_friction`'s 0.25 threshold, AP-7) — proven inert by static
- analysis before this session (zero production call sites at the time).
-
-**Root cause (this session, capture-bisect + fix):**
-`PlayerMovementController.cs`'s per-tick grounded block (the R6
-"animation-root-motion-owned grounded movement" architecture, landed
-`f961d700`, 2026-07-20 — ten days before Campaign P, so not a Campaign-P
-regression) hand-zeroed `Velocity.X/Y` to EXACTLY zero every single tick
-once `OnWalkable`, whenever animation root motion drives the walk (the
-production graphical local-player path). This discarded any residual
-horizontal momentum a fall/landing left on the body BEFORE
-`calc_friction` (AP-7, already correctly ported) or
-`PhysicsBody.UpdatePhysicsInternal`'s Euler integrator ever got a chance
-to act on it — a mover that landed on a walkable roof/slope with residual
-velocity had that velocity vanish the very next tick and never moved
-again. A second, previously-unwired gap compounded this: `PhysicsBody.
-GroundNormal` (what `calc_friction` dots the velocity against) had ZERO
-production writers anywhere — it silently defaulted to `Vector3.UnitZ`
-forever, so even without the zero, friction would have treated every
-slope as flat ground.
-
-**Fix:** (1) `src/AcDream.Core/Physics/PhysicsEngine.cs` now syncs
-`body.GroundNormal` from the committed `ContactPlane.Normal` at the same
-commit point that already publishes `ContactPlane` itself (Core-level,
-so player/remote/ordinary/projectile all benefit uniformly — "the
-mechanism is general," not roof-specific). (2)
-`src/AcDream.Runtime/Gameplay/PlayerMovementController.cs`'s grounded
-block no longer reconstructs `Velocity` at all for the animation-root-
-motion case (only the headless/test-controller `get_state_velocity`
-fallback still does, unchanged — that model has no separate root-motion
-channel to compose with). Root motion still fully owns commanded
-locomotion; this only stops DESTROYING whatever residual `Velocity`
-already holds, letting it compose with root motion through the SAME
-`ResolveWithTransition` sweep exactly as retail's
-`CPhysicsObj::UpdatePositionInternal` composes both channels.
-
-**Symptom (a) — NOT addressed, confirmed separate:** the "uphill bounce"
-traces to `PhysicsObjUpdate.HandleAllCollisions`'s `shouldReflect`
-gate (`!(prevOnWalkable && nowOnWalkable && !sledding)`), re-verified
-BYTE-EXACT against the raw retail decomp (`handle_all_collisions`,
-pc:282647-282760) this session. For any FRESH landing from airborne
-(`prevOnWalkable=false`), retail itself reflects whenever the collision
-normal shows "moving into the surface" (`dot < 0`), regardless of
-whether the destination is walkable — this is the SAME mechanism AD-25
-closed (2026-07-30, Campaign P Slice P3, docs/ISSUES.md #166) for both
-local and remote movers. Per CLAUDE.md's "do not fix code that matches
-retail" rule, this is out of scope for a fix. A synthetic 30°-uphill test
-(`UphillLanding_Synthetic_ReflectionDecisionUnaffectedByResidualVelocityFix`,
-`Issue265SteepSlopeCaptureBisectTests.cs`) confirms the residual-velocity
-fix above changes NOTHING about this reflection decision (same input,
-same output, with or without the fix) — it is orthogonal, not
-introduced or worsened. If the user's live repro still shows an
-unwanted bounce after this fix lands, it needs its own dedicated
-capture + brainstorm against `HandleAllCollisions`/`BSPQuery`, not a
-reopening of this root cause.
-
-**Evidence:** `docs/research/2026-07-30-265-capture-bisect.md`'s
-as-fixed addendum; `Issue265SteepSlopeCaptureBisectTests.cs`'s new
-`ComposedRoofLanding_*` fixtures (freeze reproduced under the old model,
-survives+advances under the new one, exponential decay demonstrated in a
-synthetic dot<0.25 case); `PlayerMovementControllerTests.cs`'s new
-`Update_AnimationRootMotion_WalkSpeedUnaffectedByResidualVelocityFix`
-(ordinary walking is a no-op under the fix) and
-`Update_RunningJumpLandsOnFlatGround_ResidualVelocitySurvivesAndDecays_NotFrozen`
-(a real running jump's residual velocity survives landing and decays on
-the actual production `PlayerMovementController`, not just the Core-level
-model).
-
----
-
## #263 — Drudge Scrying Orb still occludes its particles after the composite-translucency fix
**Status:** OPEN (deferred by user 2026-07-29)
@@ -7406,54 +146,6 @@ regressing the #225 lifestone/candle compositing.
---
-## #264 — Water semantics: WATER_CONTACT_TS consumer + two unverified swim behaviors
-
-**Status:** OPEN (filed 2026-07-30, Campaign P Slice P4 AP-10 closeout)
-**Severity:** LOW (no confirmed divergence; research/verification follow-up)
-**Component:** physics / terrain / water
-
-**Context:** AP-10 (dry-corner water sink-in) is retired and `WATER_CONTACT_TS`
-(`TransientStateFlags.WaterContact`) is now produced (mirrored alongside
-`Contact` by `PhysicsObjUpdate.ApplySetPositionContact`,
-`CommitSetPositionTransition`, and `PhysicsEngine`'s per-resolve body-state
-commit). Three items from
-`docs/research/2026-07-29-remote-and-world-specials-pseudocode.md` §5.3-5.4
-remain genuinely unresolved — none block the AP-10 port, but none are
-silently absorbed either:
-
-1. **No confirmed retail CONSUMER of `WATER_CONTACT_TS` was found.** The
- write site (`CPhysicsObj::SetPositionInternal`, pc:283459-283483) is
- confirmed; a full xref scan for READS of bit 0x8 on `transient_state`
- was not attempted (bitmask reads are not text-greppable across the
- 1.4M-line pseudo-C dump without high false-positive noise against
- unrelated 0x8 masks). Is it a pure reporting/query bit (e.g. an "is
- swimming" query for animation/sound/UI with no gameplay-feel
- consequence), or does something in the movement/friction/step chain
- branch on it? Next step: Ghidra MCP `/function_xrefs?name=CPhysicsObj::
- SetPositionInternal` once reachable, or a live cdb capture.
-2. **`CLandCell::find_env_collisions`'s ENTIRELY_WATER early-exit** (pc:317091:
- `if (block_water_type == ENTIRELY_WATER && !ethereal && !(state&0x40)) return;`
- — a swimming/ethereal exemption from terrain collision entirely) was
- **not cross-checked** against acdream's handling of this exact condition.
- Flagged as unverified, not asserted-divergent or asserted-matching.
-3. **Jump-in-water and movement-effects-in-water** (reduced jump height, swim
- animation triggers) were **not investigated** — out of the P4 physics/
- collision scope; would need a `MovementSystem`/animation-side read.
-
-**Files:** `src/AcDream.Core/Physics/PhysicsBody.cs` (`TransientStateFlags
-.WaterContact`, `IsWaterContact`); `src/AcDream.Core/Physics/PhysicsObjUpdate.cs`;
-`src/AcDream.Core/Physics/TransitionTypes.cs` (outdoor `FindEnvCollisions`
-terrain branch — the ENTIRELY_WATER exemption's acdream-side home, if it
-exists at all).
-
-**Acceptance:** either (a) a confirmed consumer of `WATER_CONTACT_TS` is
-found and ported (or confirmed absent, closing this cleanly), and (b) the
-ENTIRELY_WATER early-exit is cross-checked and either confirmed matching or
-filed as its own register row; or (c) this issue is re-scoped/split once one
-sub-item resolves.
-
----
-
## #262 — Run-on-the-spot at first login: no displacement until a recall reset
**Status:** OPEN
@@ -7483,71 +175,9 @@ suspected (the transport ledger was clean at login) but rule it out by
checking the first minute's [net-out]/[net-tick] against the movement
input timeline.
-**2026-07-30 triage (Campaign P P6, log-only — no repro yet):** read the
-full run-on-spot window (log lines ~91-245, world-visible → first
-teleport). FACTS: (1) outbound movement flowed the whole time — 0xF61C on
-every input edge, periodic 0xF753, combat toggle/attack/select actions all
-sent; transport healthy (one isolated resend+nak blip). (2) The reveal's
-`collision=True` is attested by
-`PhysicsEngine.IsNeighborhoodTerrainResident` — the SAME `_landblocks`
-dictionary the per-tick resolve walks — so the 3×3 spawn neighborhood WAS
-physics-resident before world-visible; "terrain never arrived" is dead.
-(3) The "unattributed" recenter jump attributes cleanly: the pre-login
-world view is Holtburg-centered by default (`loading world view centered
-on 0xA9B4FFFF` = lb (169,180)) and the first real position recentered to
-(135,102). DEDUCTION: hypothesis (a) is DEMOTED — the symptom is the
-user's OWN client's body (local display is client-authoritative), so
-server-side rejection cannot pin the local body; the defect is local:
-every resolve returned ~zero advance while the animation ran. REFINED
-HYPOTHESES, probe-decidable: (e1) **stale-offset survivors of the login
-recenter** — the 2026-06-20 #145 fix removes only the old CENTER
-landblock; if the login first-position recenter does not route through
-Slice E's generation-scoped full-window/recenter retirement the way
-teleports do, Holtburg-frame NEIGHBOR blocks stay resident overlapping
-the new frame → the resolve grounds/collides against phantom geometry →
-zero advance until the recall's full arrival pipeline cleans up (also
-explains the once-only timing and the teleport self-heal); (e2) CellGraph
-terrain-origin registry inconsistent with `_landblocks` after the login
-recenter (membership hold). **(e1) REFUTED same day:** the log shows ZERO
-landblock loads between the world-view declaration and the recenter — the
-#192 `StreamingReadinessGate` held (`StreamingController.
-InitializeKnownLoginCenter` documents the worker stays stopped until the
-real spawn center), so no stale Holtburg-frame blocks ever existed. The
-default-center log line is declarative only. Remaining candidates, one
-probe run apart: (f) **login seed race** — the player body missed or
-raced its `SnapToCell` login seed, so every per-tick resolve takes the
-NO-LANDBLOCK verbatim branch (zero advance = run-on-spot exactly), until
-the first teleport re-seeds; (e2) above; (g) root-motion Frame not
-reaching the transition (animation advances, body write rejected).
-**Round 3 (code):** (f)'s strongest form is refuted — outbound 0xF61C
-requires the PUBLISHED movement controller, so `EnterPlayerModeNow`'s
-transaction completed and `SetPositionCore`/`SnapToCell` seeded the body;
-what remains of (f)/(e2) is a seeded `(cell, pos)` pair the resolver
-cannot operate on (e.g. `Resolve`'s XY landblock scan missing at mode
-entry, `IsOnGround:false` verbatim seed, or offsets skewed vs
-`_landblocks`). ALSO: the #111 `[snap]` apparatus is currently DEAD in
-production — `PhysicsEngine.DiagnosticLog` has NO assignment anywhere in
-`src/`, so its absence from the Coldeve log says nothing. **Next (probe
-run decides):** wire `PhysicsEngine.DiagnosticLog` to the diagnostic
-sink (it was designed low-volume/permanent), then fresh logins with
-`ACDREAM_PROBE_RESOLVE=1` + `ACDREAM_PROBE_CELL=1` + net probes.
-Discriminator: `[snap]` shows the mode-entry branch and seeded cell; no
-`[resolve]` lines at all → upstream seed/mode; `[resolve]` firing with
-zero advance → the responsible-entity/plane names geometry-vs-(e2);
-`[resolve]` advancing while the render stands still → (g) projection. Do
-NOT add a workaround (no auto-recall, no synthetic position kick).
-
-**2026-07-30 P6 apparatus shipped + local probe batch:** `aa07baed` wires
-`PhysicsEngine.DiagnosticLog` at session composition — the `[snap]` line
-is now permanently live in production (one line per login/teleport entry
-snap, no env var). Three probe-instrumented fresh logins against local
-ACE (`artifacts/262-probe/login-{1..3}.log`) were all clean: `[snap]`
-OUTDOOR branch committed the server Z, ~1,700 `[resolve]` lines each,
-recenter (169,180)→(9,4) healthy — no reproduction (consistent with the
-once-in-two-logins Coldeve rarity; local latency may also matter).
-Remaining path to closure: the next natural recurrence now
-self-diagnoses via the always-on `[snap]` + the campaign visual matrix's
-scenario 11 (20 fresh logins) provides the structured re-test.
+**Next:** reproduce with `ACDREAM_PROBE_RESOLVE=1` + `ACDREAM_PROBE_NET=1`
+on a fresh login; the resolve lines name the missing piece directly. Do NOT
+add a workaround (no auto-recall, no synthetic position kick).
---
@@ -7747,23 +377,7 @@ tree is recoverable from git history at `844cf092^`.
## #255 — Two RetailDatLoader concurrency tests measured the thread pool, not the loader
-**Status:** DONE — 2026-07-30 (Campaign P adjacent; flake hunt). The
-sleep-race class was root-caused and fixed for good: the two
-`RetailDatLoaderTests` concurrency proofs raced a fixed
-`ReadDelayMilliseconds=40` window against thread-pool injection latency —
-under full-solution CPU contention (9 concurrent VSTest hosts) the second
-`Task.Run` can miss the window, observe `MaxConcurrentReads==1`, and fail
-(the Slice-P3 one-in-three full-suite failure). Production coalescing
-(`ConcurrentDictionary>.GetOrAdd`) verified NOT racy. Fix:
-deterministic `RawDatabase.ArmConcurrencyGate(n)` (a `Barrier` rendezvous
-inside `TryGetFileBytes`) replaces the sleep race — the same pattern
-`DecodedTextureCacheTests` already uses. Proof: 3x full solution suite
-clean + 20x isolated filtered runs clean. Hunt attempt matrix: ~72
-Content.Tests executions across four contention strategies never caught
-the original failure live; root cause established by static analysis of
-the only wall-clock-dependent file in the project. (An earlier
-worktree-based writeup of this fix was drafted against a stale base as a
-new issue; reconciled into this entry — no separate issue number.)
+**Status:** REOPENED 2026-07-29 — the `LongRunning` fix is a hint, not a
guarantee; `AnimationCache_Coalesces…` still fails under full-suite load on
Windows. Reopened independently by two sessions on the same day; both evidence
sets are kept at the end of this issue.
@@ -10778,7 +3392,7 @@ user descended the spiral (`retail-spiral2.log`, 767 samples). **Retail's flood
and IDENTICAL in character to ours** — from the spiral cells it swings `num` 3→27 with gaze
and COLLAPSES to 3 cells at many poses (e.g. cam=015d eye(60.05,-28.51,-3.66) → just
{015d 015e 015f}; cam=014b → {014b 014c 014a}). Our flood does the same (3→43, headless
-`Diagnostic_FloodDepthFrom015E_VsRetail26` = max 43 vs retail 26). So retail does NOT keep the spiral
+`FloodDepthFrom015E_VsRetail26` = max 43 vs retail 26). So retail does NOT keep the spiral
where we drop it — the flood is EXONERATED as the cause. **The vanish must be DOWNSTREAM of
the flood** (unexplored): the steps in these spiral cells are STATIC objects (GfxObj
`0x010000DE` ×6/cell), drawn via the separate viewcone cull (`ViewconeCuller.SphereVisibleInCell`
@@ -11014,8 +3628,6 @@ equivalent for the door lifecycle since open = ETHEREAL). Pins: the three
**Severity:** MEDIUM-HIGH (embed into doors from one side; phantom wall on the other — can push the player out of use radius)
**Filed:** 2026-07-05
**Component:** physics — server-entity collision registration (door part poses)
-**2026-07-30 gate reconciliation (Campaign P P7):** this issue's "pending user visual gate" status (2026-07-05/17) is superseded — its confirmation is formally folded into the Campaign P visual matrix scenario 8 (`docs/plans/2026-07-30-physics-parity-visual-matrix.md`) as the one consolidated gate. Automated backing accumulated since the fix shipped: the R6 rebaseline acceptance, every nine-stop soak (latest PASS 2026-07-30, `logs/connected-r6-soak-20260730-131141`), and the P3 sphere-list/response-swap conformance suites exercise these exact paths. The matrix result closes or reopens this issue.
-
**Description (user, Facility Hub door guid 0x78A020C7 / Setup 0x02000C9D):**
running at the door embeds the player INTO the visual panel (deep enough to
@@ -11082,8 +3694,6 @@ complete after). The `UseDone` (0x01C7) display gap stays open below.
**Severity:** HIGH (can't open doors reliably → blocks the #137 door acceptance + normal play)
**Filed:** 2026-07-05
**Component:** interaction — B.4b Use pipeline / AP-23 speculative moveto deferral (R5-V5 facade)
-**2026-07-30 gate reconciliation (Campaign P P7):** this issue's "pending user visual gate" status (2026-07-05/17) is superseded — its confirmation is formally folded into the Campaign P visual matrix scenario 8 (`docs/plans/2026-07-30-physics-parity-visual-matrix.md`) as the one consolidated gate. Automated backing accumulated since the fix shipped: the R6 rebaseline acceptance, every nine-stop soak (latest PASS 2026-07-30, `logs/connected-r6-soak-20260730-131141`), and the P3 sphere-list/response-swap conformance suites exercise these exact paths. The matrix result closes or reopens this issue.
-
**Description (user, Facility Hub 0x8A02, door guid 0x78A020C7 Setup 0x02000C9D
useRadius=0.50):** double-clicking / R-using the door does nothing. The same
@@ -11173,8 +3783,6 @@ is verbatim retail), no deferral-skipping (turn-to-face is retail).
**Severity:** MEDIUM (remote-motion fidelity indoors; lands visibly late)
**Filed:** 2026-07-05
**Component:** physics — remote dead-reckoning collision response
-**2026-07-30 gate reconciliation (Campaign P P7):** this issue's "pending user visual gate" status (2026-07-05/17) is superseded — its confirmation is formally folded into the Campaign P visual matrix scenario 8 (`docs/plans/2026-07-30-physics-parity-visual-matrix.md`) as the one consolidated gate. Automated backing accumulated since the fix shipped: the R6 rebaseline acceptance, every nine-stop soak (latest PASS 2026-07-30, `logs/connected-r6-soak-20260730-131141`), and the P3 sphere-list/response-swap conformance suites exercise these exact paths. The matrix result closes or reopens this issue.
-
**Description (user, 0x0007 dungeon):** watching another character jump into
the dungeon roof, the observed char sticks to the ceiling until the jump arc
@@ -11215,8 +3823,6 @@ unchanged.
**Severity:** HIGH (blocks dungeon access — gates the whole #137 repro)
**Filed:** 2026-07-05
**Component:** physics — CylSphere object collision response
-**2026-07-30 gate reconciliation (Campaign P P7):** this issue's "pending user visual gate" status (2026-07-05/17) is superseded — its confirmation is formally folded into the Campaign P visual matrix scenario 8 (`docs/plans/2026-07-30-physics-parity-visual-matrix.md`) as the one consolidated gate. Automated backing accumulated since the fix shipped: the R6 rebaseline acceptance, every nine-stop soak (latest PASS 2026-07-30, `logs/connected-r6-soak-20260730-131141`), and the P3 sphere-list/response-swap conformance suites exercise these exact paths. The matrix result closes or reopens this issue.
-
**Description (user):** the Holtburg town-network portal sits on a stone
platform the player collides with instead of stepping up onto it (retail just
@@ -11484,20 +4090,7 @@ Test: `GpuWorldStateTests.RelocateEntity_StrandedInPending_MovesToLoadedTarget`
## #167 — ConstraintManager leash unported (arming + two unknown x87 constants)
-**Status:** DONE — 2026-07-30 (Campaign P Slice P5). Both blockers were
-research-solved without a cdb session: the two x87-elided constants were
-recovered by disassembling the matching retail binary's raw machine code
-(`docs/research/2026-07-30-constraint-leash-constants.md`), and the arming
-site is now every current acdream inbound-position acceptance seam. Commit
-`e0629145` (constants + `ConstraintDistance`), commit `7719d25b` (arming at
-`LiveEntityNetworkUpdateController` for remotes and
-`PlayerMovementController.SetPosition`/`BlipPosition` for the local player,
-plus the per-tick `PhysicsBody.IsFullyConstrained` push), and this commit
-(TS-35 retirement + stale-comment cleanup). Register row **TS-35** is
-deleted in the same session. Full Core/Runtime/App suites pass with no
-regressions; new conformance tests cover leash-armed jump refusal,
-teleport-vs-blip anchor/teardown behavior, taper reduction over ticks, and
-the remote-tick `IsFullyConstrained` push.
+**Status:** OPEN (deferred, filed 2026-07-03 during R5-V1)
**Severity:** LOW (server-position rubber-band + jump-during-rubber-band gate)
**Component:** physics, constraint
@@ -11513,41 +4106,25 @@ not `SmartBox`, so nothing calls `PositionManager.ConstrainTo`, and
`IsFullyConstrained` stays false (= register **TS-35**'s current stub
behavior — jump never blocked by the leash).
-**Blockers (RESOLVED):** (1) the two distance constants were **x87 float
-returns BN elided** — `GetStart/MaxConstraintDistance` decompile to a bare
+**Blockers:** (1) the two distance constants are **x87 float returns BN
+elided** — `GetStart/MaxConstraintDistance` decompile to a bare
`this->m_position;` expression with the actual returned value lost to the
-FPU-return-elision artifact. Recovered by disassembling the matching binary's
-raw machine code directly (no cdb needed): outdoor start 10 / indoor 5,
-outdoor max 50 / indoor 20 — ACE's start mapping is INVERTED (outdoor 5 /
-indoor 10); the binary wins. (2) The arming site (`SmartBox`'s inbound
-position-reconciliation branches A/B/C) had no acdream equivalent — wired at
-`LiveEntityNetworkUpdateController` (remotes, anchored to the object's own
-position) and `PlayerMovementController.SetPosition`/`BlipPosition` (local
-player, anchored to the received position), feeding the `AdjustOffset` taper
-into the body integration at the same per-tick chokepoint as the sticky
-wiring (R5-V3).
+FPU-return-elision artifact. Recovering them needs a live cdb read of `st0`
+after the call (retail debugger toolchain) or a Ghidra re-decompile with a
+corrected float-return signature. (2) The arming site (`SmartBox`'s inbound
+position-reconciliation branches A/B/C) has no acdream equivalent yet — wiring
+it means teaching acdream's position path to re-anchor the leash on every
+server position update, then feeding the `adjust_offset` taper into the body
+integration (same chokepoint as the sticky wiring, R5-V3).
-**Where:** `src/AcDream.Core/Physics/Motion/ConstraintManager.cs` (armed),
-`src/AcDream.Core/Physics/Motion/ConstraintDistance.cs` (constants); the read
-gate is `PhysicsBody.IsFullyConstrained` (former TS-35) via
-`jump_is_allowed`. Decomp: `docs/research/2026-07-03-r5-managers/`,
-`docs/research/2026-07-30-constraint-leash-constants.md`.
+**Where:** `src/AcDream.Core/Physics/Motion/ConstraintManager.cs` (class,
+unarmed); the read gate is `PhysicsBody.IsFullyConstrained` (TS-35) via
+`jump_is_allowed`. Decomp: `docs/research/2026-07-03-r5-managers/`.
-**2026-08-03 correction (C4 route 2, #285):** the `BlipPosition` half of this
-arming site was an unbacked deviation for the ForcePosition branch
-specifically — `SmartBox::BlipPlayer` (0x00453940), the function
-`HandleReceivedPosition`'s FORCE_POSITION branch calls, is not on the
-"Player, normal" branch this slice modeled; retail's FORCE_POSITION early
-return (0x0045409D) precedes every `ConstrainTo` call. `BlipPosition` is
-deleted; the leash is no longer (re)armed on a ForcePosition. The arming
-site for every OTHER inbound position (remotes, the local player's ordinary
-teleport/`SetPosition`) is unaffected.
-
-**Acceptance:** the two constants are recovered (byte-decoded from the
-binary), acdream arms the leash on inbound server positions,
-`IsFullyConstrained` fires while rubber-banding, and a jump attempt inside
-the tight leash is blocked (0x47) matching retail; TS-35 + this issue retired
-together.
+**Acceptance:** the two constants are recovered (cdb/Ghidra), acdream arms the
+leash on inbound server positions, `IsFullyConstrained` fires while
+rubber-banding, and a jump attempt inside the tight leash is blocked
+(0x47) matching retail; TS-35 + this issue retire together.
## #160 — Remote moveto: run animation pace vs actual movement speed mismatch
@@ -11604,72 +4181,16 @@ NOTE: capture first — ACDREAM_PROBE_RESOLVE on the remote's guid at a
wall shows whether the resolver reports Collided-but-position-inside or
never sees the wall.
-**Campaign P Slice P3 diagnostic pass (2026-07-30, no live client —
-dat-free + dat-backed fixtures only, per
-`docs/research/2026-07-29-remote-and-world-specials-pseudocode.md` §2.4b):**
-research P3.2 re-framed the three candidates as (a) the
-`InterpolationManager` unclamped stall-fail "tail delta" snap
-(`node_fail_counter > 3`) committing a position on the far side of / inside
-a wall in one tick and the same-tick sweep failing to catch a large
-delta, (b) the remote resolve gate (`rm.CellId != 0 &&
-_physics.Engine.LandblockCount > 0`) skipping the sweep entirely on some
-tick other than first-spawn, and (c) render/interpolation presentation lag
-on the App side. Both (a) and (b) are now RULED OUT with direct evidence:
-
-- **(b):** code-read every `FullCellId = 0` write site
- (`RuntimeEntityObjectLifetime.cs`: `TryApplyPickup`,
- `CommitAcceptedParentCellless`, `CommitWithdrawal`) — all three are
- pickup/parent-attach/delete paths, never reachable for a live, freely
- moving remote mid-session. The gate's "one-frame grace" is genuinely
- first-spawn-only.
-- **(a):** three new fixture tests drive a SINGLE resolve call spanning an
- entire large-tick jump (simulating the unclamped snap) instead of many
- small ticks, against both synthetic sphere geometry AND the real
- Holtburg door BSP slab (`Setup 0x020019FF`/`GfxObj 0x010044B5`) already
- used by the door apparatus tests — both stop at the identical surface
- distance the proven small-step tests already pin, with a valid collision
- normal. The sweep is not distance-limited and does not tunnel on a large
- single-tick delta. See
- `Issue165RemoteWallPenetrationDiagnosticTests.SingleLargeTickJumpThroughObstacle_IsStillBlockedAtSurface`
- and
- `DoorCollisionApparatusTests.Apparatus_SingleLargeTickJump_DeadCenter_StillBlocksOnBSP`.
-
-**Candidate (c) is therefore the remaining hypothesis** and is explicitly
-OUT OF SCOPE for a physics-fixture-only pass — it is a claim about the
-App-layer render/presentation frame relative to the committed
-`PhysicsBody.Position`, not something a dat-free/dat-backed Core fixture
-can observe. Per the campaign's own instruction ("diagnose only unless a
-candidate confirms cheaply; otherwise stop"), this issue stays OPEN. The
-next concrete step for whoever picks this up: an App-layer render-position
-vs. physics-position diff across frames for a remote near a wall, or a
-fresh `ACDREAM_PROBE_RESOLVE`/`ACDREAM_CAPTURE_RESOLVE` live capture (the
-existing diagnostic recommendation in the research doc, still valid) if a
-live repro becomes available.
-
**Where:** GameWindow remote DR tick (`TickAnimations` player-remote
pipeline + queue chase), `PhysicsEngine.ResolveWithTransition` remote
-callers; `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs`
-(resolve gate, candidate (b), ruled out); `src/AcDream.Core/Physics/
-InterpolationManager.cs` (unclamped stall-fail snap, candidate (a), ruled
-out); the render/presentation path (candidate (c), OPEN, App-layer, not
-yet located).
+callers.
**Acceptance:** a retail mover pressed against a wall shows flush at the
wall from acdream, matching the retail-observer view side-by-side.
## #166 — Slope-landing glide + bounce absent (retail "sled" on downhill jumps)
-**Status:** FIX IMPLEMENTED 2026-07-30 (this session) — closure pends the
-user's visual-gate acceptance. The visual-matrix recheck this note asked
-for DID happen (Campaign P matrix scenario 5) and found the glide/bounce
-still missing even with all four register-predicted deviations
-(AD-25/AP-7/AD-55/TS-4) landed — that negative result is exactly what
-triggered the #265 capture bisect, which found a FIFTH, previously-
-unnamed mechanism: `PlayerMovementController.cs`'s grounded block was
-hand-zeroing residual `Velocity.X/Y` every tick, discarding any landing
-momentum before AD-25/AP-7/AD-55's now-correct machinery ever got a
-chance to act on it. See #265 for the full root cause and fix (same
-commit); this issue is the "downhill sled" half of that same mechanism.
+**Status:** OPEN (post-R6 polish — user: "we could polish later")
**Severity:** LOW (feel/polish)
**Filed:** 2026-07-03 (user observation during the R2-R4 visual pass)
**Component:** physics, landing
@@ -11689,110 +4210,12 @@ contact chain diverges). Retiring those three rows IS this issue; do them
together against a retail cdb capture of a downhill jump (velocity +
contact-plane trace at landing).
-**Reattribution (2026-07-30, Campaign P Slice P2 research pass —
-`docs/research/2026-07-30-response-layer-edge-family-pseudocode.md` §3,
-§6 Step 6):** confirmed as the AD-25 + AP-7 + TS-4 composite above, with
-two corrections to the original framing. First, **AD-25's LOCAL-PLAYER
-half was already ported** in the #182 verbatim `UpdateObjectInternal`
-rebuild (2026-07-07) — what remains open for AD-25 is remote/NPC-only and
-is explicitly Campaign P P3 scope, not this issue. Second, and more
-important: **no client-side `PhysicsState.Sledding` auto-toggle exists in
-retail, and this issue should not wait on inventing one.** A cross-
-reference of the named-retail decomp (zero hits for "sled" anywhere in the
-1.4M-line pseudo-C, string or hex-constant search) against ACE's complete
-`PhysicsObj.cs` (the same shared `CPhysicsObj` class that produced
-`calc_friction`) found the ONLY write site for `PhysicsState.Sledding`
-anywhere in any reference repo is a per-weenie game-data property
-(`WorldObject_Properties.cs:1105-1109`, server/database-set, same pattern
-as `Ethereal`/`Static`) — not a physics-engine landing response. Ordinary
-downhill-jump glide-and-bounce in retail is therefore NOT the literal
-Sledding state for an ordinary player; Sledding is most likely reserved
-for specific data-authored content (e.g. an actual sled-ride mechanic),
-outside this issue's scope. AP-7 landed this same session (`calc_friction`
-now ports retail's confirmed 0.25f threshold); TS-4's removal was attempted
-per its own fixture-first requirement and reproduced the historical
-2026-04-30 wedge, so **TS-4 stays deferred** (see its register row and the
-research doc §7 item 6 for the precise mechanism and the concrete next
-step).
-
-**AD-25 closed (2026-07-30, Campaign P Slice P3):** the remote dead-
-reckoning post-resolve now calls the exact ported
-`PhysicsObjUpdate.HandleAllCollisions` — the same function the local
-player and every ordinary body already use — instead of its own
-hand-inlined, narrower reflect gate (`RuntimeRemotePhysicsUpdater.cs`,
-`Tick`). The old gate reflected only airborne-before-AND-after and
-suppressed the sledding case backwards; the ported gate reflects on any
-transition except grounded→grounded-and-not-sledding, matching retail's
-`shouldReflect = !(prevOnWalkable && nowOnWalkable && !sledding)`. Both
-halves of AD-25 (local player and remote) are now retired.
-
-**TS-4 landed (2026-07-30, Campaign P final physics slice):** the
-Path-6 steep-poly shortcut this note previously flagged as "deferred" is
-now retired — the decisive confirming run
-(`Ts4SteepRoofWedgeCaptureTests`, horizontal-velocity variant) showed the
-shortcut-removed engine converges cleanly for the realistic (non-
-degenerate) case. See `docs/research/2026-07-30-ts4-116-oracle-plan.md`
-§1 and its own register row (struck through, TS-4).
-
-**AD-55 also landed the same slice** (the sled-flatness constant in this
-SAME `calc_friction` function AP-7 already fixed): retail's Sledding
-fast-sled override compares against `cos(10°) ≈ 0.98480775f`, byte-proven
-against `0x0050ee70`, not the previously-carried ACE-derived `0.99999536f`
-(≈0.175° from flat, essentially unreachable). This is the AP-7-family
-completion the "sled deceleration differs" framing above was waiting on —
-all four of AD-25, AP-7, AD-55, and TS-4 are now landed.
-
-**The fifth deviation found and fixed (2026-07-30, this session,
-docs/research/2026-07-30-265-capture-bisect.md):** with AD-25/AP-7/
-AD-55/TS-4 all landed, the matrix recheck STILL found no glide/bounce —
-the composite framing above was correct as far as it went, but it
-missed a pre-existing (2026-07-20, ten days before Campaign P) R6
-architectural fact: `PlayerMovementController.cs`'s grounded quantum
-block hand-zeroed `Velocity.X/Y` to exactly zero every tick once
-`OnWalkable`, for the production animation-root-motion path. This ran
-regardless of AD-25/AP-7/AD-55/TS-4's correctness — it simply erased the
-residual velocity those fixes would otherwise have had something to act
-on. A second gap compounded it: `PhysicsBody.GroundNormal` (the vector
-`calc_friction` dots velocity against) had no production writer and
-silently defaulted to `Vector3.UnitZ`, so slopes behaved like flat
-ground even when velocity DID survive. Fixed by (1) syncing
-`body.GroundNormal` from the committed `ContactPlane.Normal` in
-`PhysicsEngine.cs`'s existing per-resolve commit block, and (2) no longer
-reconstructing `Velocity` in the grounded block for the animation-root-
-motion case (root motion still fully owns commanded locomotion; only the
-residual-momentum zero is gone). A synthetic case with the real mined
-roof polygon but a velocity/normal pairing under retail's 0.25 threshold
-(`ComposedRoofLanding_NewFix_SyntheticGrazingApproach_DecaysViaCalcFriction`)
-demonstrates genuine exponential decay via `calc_friction`; the real
-captured landing's own velocity happens to fall in the "moving away fast
-enough, no friction" band (dot ≥ 0.25), producing a constant-velocity
-glide across the roof instead — both are correct per retail's ported
-formula for their respective geometries.
-
-Closure of #166 therefore pends only re-checking Campaign P's final
-visual matrix item 5 ("Downhill jump landing: sled glide + bounce")
-against a fresh capture of THIS fix — if the glide/bounce still visibly
-mismatches retail, that capture, not a guess, is what should drive any
-further work here, and it should go through cdb against live retail
-before any client-side Sledding-state mechanism is written (recall: no
-client-side `PhysicsState.Sledding` auto-toggle exists in retail per the
-reattribution above — a data-authored toggle exists only server-side).
-
-**Where:** `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs`
-(remote reflect, AD-25 — DONE 2026-07-30),
-`src/AcDream.Core/Physics/PhysicsBody.cs` (`calc_friction`, AP-7 and AD-55
-— both DONE 2026-07-30), `src/AcDream.Core/Physics/BSPQuery.cs` +
-`FlatBspQuery.cs` (Path 6 steep branches, TS-4 — DONE 2026-07-30),
-`src/AcDream.Runtime/Gameplay/PlayerMovementController.cs` (grounded
-residual-velocity zero, the fifth deviation — DONE 2026-07-30),
-`src/AcDream.Core/Physics/PhysicsEngine.cs` (`GroundNormal` wiring —
-DONE 2026-07-30).
+**Where:** `PlayerMovementController.cs:874` (AD-25 suppression),
+`PhysicsBody.cs:307` (AP-7), `BSPQuery.cs:2001` (TS-4).
**Acceptance:** side-by-side downhill jump: acdream glides/bounces like
retail; flat-ground landings unchanged; no micro-bounce death spiral
-(the reason AD-25 existed) reintroduced. Every code-side composite
-deviation, including the fifth one found this session, is now landed;
-only the visual-matrix recheck remains before this issue can close.
+(the reason AD-25 exists) reintroduced.
## #164 — UM action-replay dispatches drop the per-action Autonomous bit
@@ -12113,36 +4536,8 @@ passed in the connected visual gate.
## #153 — Far teleport onto an unstreamed landblock edge can run away
-**Status:** DONE — 2026-07-30 (Campaign P P5 ledger item; closed on shipped
-mechanism + pinned tests + connected evidence, no recurrence since the fix
-landed). The residual's causal chain (recorded 2026-06-21, BEFORE the fix)
-is severed at every link by work that shipped afterwards:
-(1) the "fix direction 4a" hold shipped 2026-06-22 as register row **AD-30**
-— an outdoor seed whose terrain is not resident preserves the seed cell
-verbatim (`CellTransit.cs` `FindCellSet`, `terrainResident` guard), and the
-seeded player additionally bypasses the fallback entirely via the #145
-carried anchor (`carriedBlockOrigin` = the TRUE landblock origin even for an
-unstreamed neighbour); (2) the stale-southward-velocity trigger is dead —
-teleport arrival runs retail's full `StopCompletely` (R3-W6,
-`PlayerMovementController` arrival idle: commands reset, velocity zeroed);
-(3) the `17410` outbound wire artifact class is structurally gone — outbound
-serializes `PhysicsBody.CellPosition` directly (canonical outbound position
-ownership, 2026-07-14), never reconstructing from `_liveCenter`; (4) the
-modern-runtime reveal barrier (AD-2/#229 + Slice E destination reservation)
-holds incomplete destinations in the authored tunnel until collision domains
-converge. Deterministic pins: `TeleportFarTownRunawayTests`
-(`SouthEdge_UnstreamedNeighbour_CarriedAnchor_DoesNotMarch`,
-`EastEdge_...`) reproduce the exact ~2 m-from-edge unstreamed-neighbour
-arrival. Connected evidence: the 2026-07-29 Coldeve acceptance session ran
-20 teleports with normal movement; the K3/K4 portal routes and canonical
-nine-stop soaks passed repeatedly with zero movement faults. The map-edge
-open item (hold could hover if the neighbour never streams) is mitigated as
-predicted: the destination recenters streaming, so the hold is transient,
-and arrival is at rest. Campaign P's final visual matrix includes portal
-travel in its regression sweep as the last confirmation.
-
-**Status (historical):** the original repeat-portal failure and streamed-arrival
-cascade are fixed; a narrower unstreamed-arrival-near-edge residual remained.
+**Status:** IN-PROGRESS — the original repeat-portal failure and streamed-arrival
+cascade are fixed; a narrower unstreamed-arrival-near-edge residual remains.
The cell-relative carried anchor (Option B, Slices 1–3+7,
`438bb68`→`403a338`) passed roughly ten streamed far-town transitions. The
recorded residual arrives within about 2 metres of a 192-metre landblock edge
@@ -12428,24 +4823,27 @@ See divergence register **AP-59**.
---
-## #139 — D.2b retail UI polish: chat buttons
+## #139 — D.2b retail UI polish: chat text colors + buttons
-**Status:** OPEN (narrowed 2026-08-09 — the chat-text-colors half CLOSED, see below)
+**Status:** OPEN
**Severity:** LOW (cosmetic fit-and-finish — the widget generalization works and matches the prior hand-made build; this is polish vs a side-by-side retail client)
**Filed:** 2026-06-16
-**Component:** ui — D.2b retail UI (chat buttons)
+**Component:** ui — D.2b retail UI (chat window + buttons)
-**Description (user):** After the widget-generalization pass landed (2026-06-16), two areas wanted a polish pass against retail. Item 1 (chat text colors) is now DONE — see below. Item 2 remains open:
-1. ~~**Chat text colors**~~ — **CLOSED 2026-08-09, Campaign CH slice CH1.** `ChatWindowController.RetailChatColor(ChatKind)` (the old best-effort per-`ChatKind` map) is deleted; coloring now keys off the entry's retail wire `LogTextType` through the exact 34-entry `RetailChatColorTable`, a faithful port of `ChatInterface::BuildChatColorLookupTable @0x004F31C0` with every RGBA float read from the PDB-paired binary's `.data` section — see `docs/research/2026-08-09-chat-retail-color-table.md` and `docs/plans/2026-08-09-chat-parity-campaign.md`.
+**Description (user):** After the widget-generalization pass landed (2026-06-16), two areas want a polish pass against retail:
+1. **Chat text colors** — the per-`ChatKind` transcript text colors need tuning to match retail more precisely. Current values come from a live cdb dump of the named `RGBAColor` constants (colorWhite / BrightPurple / LightBlue / Green / LightRed / Grey) mapped per `ChatKind` in `ChatWindowController.RetailChatColor`. The four common kinds (speech/tell/channel/system) are confirmed; the rarer kinds (emote, soul-emote, combat, popup) map to the nearest named color and may be off — verify each against a side-by-side retail client.
2. **Buttons** — the chat buttons (Send, Max/Min, and the channel "Chat ▸" menu button) want visual polish: **pressed / hover state feedback** (`UiButton` currently draws only its default-state sprite; the dat carries `Normal`/`Pressed`/`Highlight` states it does not yet switch on), plus a check that the face 3-slice + autosize read cleanly at all widths.
-**Root cause / status:** Deferred polish, NOT a regression — the generalized chat matches the prior hand-made build (user-confirmed 2026-06-16). `UiButton` intentionally mirrors `UiDatElement`'s single-state render (pressed-state was out of the generalization's scope).
+**Root cause / status:** Deferred polish, NOT a regression — the generalized chat matches the prior hand-made build (user-confirmed 2026-06-16). `UiButton` intentionally mirrors `UiDatElement`'s single-state render (pressed-state was out of the generalization's scope); chat colors are best-effort from the cdb dump.
**Files:**
+- `src/AcDream.App/UI/Layout/ChatWindowController.cs` — `RetailChatColor(ChatKind)` per-kind color map.
- `src/AcDream.App/UI/UiButton.cs` — `ActiveFile()` / `OnEvent` (no pressed-state swap yet; dat has Normal/Pressed/Highlight).
- `src/AcDream.App/UI/UiMenu.cs` — `DrawButtonFace` (Normal vs Pressed sprite) for the channel button.
-**Acceptance:** Button (pressed/hover) states match a side-by-side retail client — user's visual sign-off. (Chat text colors already user-gated at Campaign CH's campaign-level gate.)
+**Research:** `claude-memory/reference_retail_chat_colors.md` (the cdb chat-color dump + recipe).
+
+**Acceptance:** Chat text colors and button (pressed/hover) states match a side-by-side retail client — user's visual sign-off.
---
@@ -13659,22 +6057,7 @@ gate, decided when M1 ships.
## #72 — Confirm Humanoid TurnRight/TurnLeft `omega.z` base rate via cdb
-**Status:** DONE — 2026-07-29 (Campaign P P5 ledger item; closed on
-superseding evidence, no cdb session needed). Both open questions were
-settled by later shipped work: (1) the R6 complete-root-frame cutover
-(2026-07-19) READ the installed Humanoid MotionTable `0x09000001` — the
-issue's premise that `HasOmega` is cleared was wrong; TurnRight carries
-`HasOmega` with literal `omega.Z = -1.5` rad/s, the ±π/2 convention
-fallback and AP-76 were deleted, and every animated object now consumes
-the DAT-authored omega (see the R6 section of
-`claude-memory/project_physics_collision_digest.md` and
-`docs/research/2026-07-19-r6-complete-root-frame-pseudocode.md`). (2) the
-run multiplier is a verbatim decomp-cited port: `apply_run_to_command`
-(FUN_00527be0) with `RunTurnFactor = 1.5f` at
-`src/AcDream.Core/Physics/MotionInterpreter.cs:554,:1369`. The DAT itself
-plus the named decomp are stronger sources than the requested live cdb
-capture; `RemoteMoveToDriver.cs` cited in the acceptance no longer exists
-(superseded by the MoveToManager port).
+**Status:** OPEN
**Severity:** LOW (current ±π/2 fallback matches all corroborating
evidence; cdb probe would settle the open question for good)
**Filed:** 2026-05-16
@@ -14740,8 +7123,6 @@ the local terrain normal, not the actor's facing.
**Filed:** 2026-05-05
**Component:** physics / motion / animation (per-tick remote prediction)
**Phase:** L.2 (Movement & Collision Conformance) — inbound-motion fidelity sub-piece.
-**2026-07-30 gate reconciliation (Campaign P P7):** this issue's "pending user visual gate" status (2026-07-05/17) is superseded — its confirmation is formally folded into the Campaign P visual matrix scenario 8 (`docs/plans/2026-07-30-physics-parity-visual-matrix.md`) as the one consolidated gate. Automated backing accumulated since the fix shipped: the R6 rebaseline acceptance, every nine-stop soak (latest PASS 2026-07-30, `logs/connected-r6-soak-20260730-131141`), and the P3 sphere-list/response-swap conformance suites exercise these exact paths. The matrix result closes or reopens this issue.
-
**Description:** Observed characters walked forward, blipped backward, then
continued, periodic with the server's UpdatePosition cadence. The earlier
@@ -15215,142 +7596,9 @@ missing is the plugin-API surface.
---
-## #334 — Large static formations lose collision at their boundaries (Neftet)
-
-**Status:** DONE (2026-08-06) — retail's `CPhysicsObj::find_bbox_cell_list` @0x00510fc0 path is ported. A physics-BSP object's outdoor cell membership is now the FILLED land-cell rectangle its authored `CGfxObj::gfx_bound_box` spans, crossing landblock boundaries freely, instead of the fixed 3×3 sphere neighbourhood. Awaiting the user's live gate at the same Neftet formations.
-
-**Fix.** `CellTransit.BuildShadowCellSetFromParts` + `CellTransit.AddAllOutsideCellsFromParts` (`CLandCell::add_all_outside_cells` @0x00533360 + `add_cell_block` @0x005331d0, disassembled from the PDB-paired 2013-09-06 binary — Binary Ninja mis-renders four separate constructs inside that one function); `ShadowPartGeometry` / `ShadowPartBox` carry the BSP root sphere AND the authored box as one value; `ShadowObjectRegistry.RegisterMultiPart` dispatches on `HAS_PHYSICS_BSP_PS` exactly as retail does at `0x00515285`, and `BuildFloodSpheres`' BSP arm is deleted rather than left unreachable. Register: AP-156's outdoor half CLOSED and its risk column CORRECTED (it read “extra broadphase candidates, never a missed one” — #334 is a missed one); AP-159 (indoor part-array overload, issue #335) and AD-49 (seed-time rectangle) filed.
-
-**Cost, measured over the installed DATs BEFORE any code was written** (1,258 physics-BSP GfxObjs with vertices): cells/object p50 = 4, p90 = 4, p99 = 12, max 49 (7×7). The port is CHEAPER than the old 3×3 = 9 for 98.97% of them — the crossover is exact, any object under 24 m of XY extent yields at most 2×2. Row totals (`shapes × cells`) over all 1,031 landblocks carrying BSP owners fall from 97,173 to 15,607 (0.161×); dense Arwic 0xC6A9 falls 342 → 43 (0.126×). Exactly ONE landblock more than doubles (0x8964, 45 → 112 rows, 2.489×). The worst single-owner rectangle in the whole world is 81 cells (9×9) in 0x8766 — above the 7×7 bound predicted from root-sphere statistics, because that bound assumed the BSP root sphere bounds the whole vertex array and it bounds only the physics polygons' subset.
-
-**Precondition confirmed before any expected cell set was pinned:** `0x010046D8`'s authored box is 96 m × 96 m about a part origin at block-local (63.78, 56.29) — cell (2,2) = `0x87640013`, which independently corroborates the 3×3-centred-at-`0x87640013` diagnosis derived from the live probe. Its rectangle spans cell columns 0..4 on both axes and DOES contain `0x87640011` and `0x87640019`, the two cells the probe measured empty.
-
-**Gate note (AP-158 / #333):** the fix is necessary and not sufficient in general. A player at the far corner of a large new rectangle can still be discarded by the broadphase reach filter, which measures from the part origin. The live gate FAILS if `inCell` rises while `rejectedReach` rises with it; the remedy for that is #333, not a wider budget here.
-
-Original finding below.
-
-**Status (at filing):** OPEN
-**Severity:** HIGH — walk-through and fall-through on world geometry.
-**Filed:** 2026-08-06, user-reported in live play.
-**Component:** physics / collision / broadphase
-
-**User report, verbatim in substance:** *"In Neftet I miss collision on the
-large stone formations. I can run up to them, but then at a boundary between
-I can run through. I can jump over it but then I just fall through."*
-
-**NOT a regression from the 2026-08-06 collision work.** Confirmed by A/B: the
-user reproduced it on a purpose-built client at `52175aa1` — before AP-22,
-AP-152, AP-156, AD-10 and #276's remainder — and the behaviour was identical.
-It is pre-existing and was simply never filed. AP-156's cell-membership fix
-did **not** resolve it either, which is itself a diagnostic clue (see below).
-
-**The signature:** solid on approach, permeable at a boundary *between* two
-formations, and no floor above it — jumping over lands you inside/through.
-"Solid near the middle, absent at the edges" is the shape to reason from.
-
-### MEASURED IN GAME 2026-08-06 — cause found, and it is NOT the reach filter
-
-**The reach-filter theory is REFUTED.** A live probe (`ACDREAM_PROBE_REACH`,
-commit `b61f5fd4`) was run with the user standing in front of, and then inside,
-a Neftet formation. Evidence: `334-neftet-probe.log`, 8,401 lines.
-
-Standing inside the formation the collision system reported:
-
-```
-[reach-q] cell=0x87640019 inCell=2 exempt=2 reached=0 rejectedReach=0 tested=0 blocked=0
-```
-
-**Two candidates, both the player's own body spheres.** Nothing was rejected
-because there was nothing to reject — the formation is not in the collision
-candidate set at all. `rejectedReach=0` kills AP-158 as the cause here.
-
-**The blocking part the user found is the discriminator.** One object does
-collide: `gfx=0x010046D8`, a BSP with `objR=69.471` — the landblock's baked
-rock geometry, one object spanning a large area. Its coverage:
-
-| Cell | Rock object present? |
-|---|---|
-| `0x8764000A`, `0x87640012` | **YES** — `tested-collided` / `tested-slid`, player blocked |
-| `0x87640011`, `0x87640019`, `0x87630018` | **NO** — `inCell=2`, both entries the player |
-
-**Same object, same landblock, present in some cells and absent from directly
-adjacent ones.** `0x87640012` is cell index 17 → grid (2,1); `0x87640011` is
-index 16 → grid (2,0), immediately beside it and empty.
-
-### Cause: a landblock-spanning object is registered by a single bounding sphere
-
-`ShadowObjectRegistry.BuildFloodSpheres` derives cell membership from one
-sphere per part. This object's own radius is **69.471 m** while a landblock is
-**192 m** across, so a single sphere cannot geometrically reach every cell the
-mesh occupies. Cells beyond its reach receive no registration and the player
-walks through.
-
-Retail does not use a sphere here. `CPhysicsObj::calc_cross_cells` @`0x00515230`
-routes BSP-bearing objects to `find_bbox_cell_list` @`0x00510fc0` →
-`calc_cross_cells_static` @`0x00518160`, i.e. a walk over the object's
-**extent**, not a single enclosing sphere.
-
-**Relationship to AP-156 (`b52967de`), which did not fix this and was not
-expected to:** AP-156 moved the flood sphere to the right *place* (it was
-centred on the part origin while sized from the geometry). That was necessary
-and is confirmed correct — but the sphere is also the wrong *shape* for objects
-whose extent exceeds their own radius. AP-156 fixed position; this issue is
-about coverage. Sequential, not alternative.
-
-### Superseded — the original leading candidate, retained for provenance
-
-### Superseded detail — AP-158 / #333, the broadphase reach filter
-
-`TransitionTypes.cs:3898`-ish measures `currPos - obj.Position` (the part
-**origin**) against `obj.Radius`, admitting a contact only when the geometry
-sits within roughly `movement + 2 m` of that origin. Retail has **no distance
-pre-filter at all**: `CObjCell::find_obj_collisions` @`0x0052b750` dispatches
-unconditionally, its only early-out being `INITIAL_PLACEMENT_INSERT`. The 2 m
-slack is acdream invention; retail's own epsilon in this family is 0.0002 m.
-
-**118 of 477 unique BSP GfxObjs exceed that ~2.5 m budget; 46 exceed 5 m.** A
-"large stone formation" is precisely the class that would: geometry extending
-many metres from its part origin. Near the origin you collide; past the budget
-the broadphase rejects the object before its mesh is ever consulted — solid in
-the middle, permeable at the edges, no floor overhead. That matches the report
-without needing a second mechanism.
-
-This also explains why AP-156 did not help: AP-156 put the object in the right
-**cells**; AP-158 is why it is still rejected *within* those cells. AP-156 was
-a prerequisite, not a cure — the two are sequential, and this issue is the
-observable that proves the second half still bites.
-
-### Second candidate, if the first is disproved
-
-Static-object collision registration at EnvCell seams — the per-cell shadow
-list family (#98's architecture, closed `b3ce505`, and #137's door/wall-opening
-work, closed 2026-07-08). Both are closed, so this would be a new gap rather
-than a regression of either.
-
-### How to settle it
-
-1. Identify the specific Setup/GfxObj of a Neftet formation that reproduces,
- and measure its BSP root-sphere origin offset. If it exceeds ~2.5 m, AP-158
- is confirmed as the cause and this issue closes with AP-158's fix.
-2. If the offset is small, the reach filter is exonerated and the second
- candidate takes over.
-
-**Do not attempt a fix before step 1.** The reach filter's `+ 2f` slack has no
-retail counterpart, so "widen the budget" would be tuning an invented constant
-— the fix is to remove the filter, which needs AP-158's own gate.
-
## #32 — Retail edge-slide / cliff-slide / precipice-slide incomplete
-**Status:** CLOSED 2026-08-07 — both halves. Local half fixed `332045c7`
-(set/init contact-plane split), user-passed 2026-08-07 at the Rithwic cliff;
-see the closure entry near the top of this file. Remote half below.
-**Original status line:** REMOTE HALF CLOSED — fixed `204d0ae0`, **user-passed 2026-08-04**
-("it lands and slides correctly now"). A remote observed in acdream now slides
-down a steep face under gravity instead of freezing on it and then blipping.
-The three recorded gaps below (LeaveGround chatter bound, the `!Ok` airborne
-latch, and the `contact_allows_move` action-animation watch item) remain open,
-as does the AP-140 follow-up (point the two routing gates at `Body.InContact`).
-Local-player edge-slide is unchanged by this work.
+**Status:** IN-PROGRESS
**Severity:** HIGH
**Filed:** 2026-04-29
**Component:** physics / collision
@@ -15416,223 +7664,6 @@ anchors include `CTransition::edge_slide`, `CTransition::cliff_slide`,
**Acceptance:** Synthetic and real-DAT tests cover wall-slide, roof-edge slide,
cliff/precipice slide, failed step-up/step-down, and the jump-clears-edge case.
-**2026-08-04 live route 4a test — Bug B (remote roof-plant half-state, one of
-the two symptoms this row already named) confirmed and root-caused:** the
-user's two-client test reproduced exactly the "lands on roof in falling
-animation, can't slide off" half-state this row already describes, and this
-time as a REMOTE jumping onto a house: it plants on the roof, then blips to a
-slid-down position after drifting away rather than sliding smoothly.
-
-Root cause: the player-remote landing block
-(`src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs`, the
-`if (rmState.Airborne)` transition) and its per-tick twin
-(`src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:~493-551`) both
-assert `Body.TransientState |= Contact | OnWalkable` UNCONDITIONALLY on
-landing. Retail derives `on_walkable` from the contact plane instead —
-`CPhysicsObj::SetPositionInternal` (named symbol @0x00515330, pseudo-C
-:283501-283509):
-```
-if (contact_plane.N.z < floor_z)
- set_on_walkable(0);
-else
- set_on_walkable(1);
-```
-A steep roof is Contact (the sphere is touching it) but NOT on_walkable (its
-normal.Z is below `floor_z`) — retail keeps sliding it. Forcing both bits true
-suppresses the slide response outright; the body then sits planted on the
-roof until AP-87's 4 m drift-snap backstop (`docs/architecture/retail-
-divergence-register.md` row AP-87) fires and blips it to the server's
-already-slid-down position — the visible "plant, then teleport" the user
-reported. This code is byte-identical to the pre-C4-route-4a version (verified
-via `git show 19d95094:src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs`,
-which shows the identical unconditional `TransientState |= Contact |
-OnWalkable` at the same landing site) — **this is not a route 4a regression;
-do not revert `44830a0e`.**
-
-Fixing `OnWalkable` alone at the landing block may not be sufficient to
-reproduce retail's slide, because retail's slide response also depends on two
-other pieces that are either incomplete or unverified for remotes:
-- **#173** (this file) shipped the remote collision-velocity reflect
- (`CPhysicsObj::handle_all_collisions` pc:282699-282715) but its dedicated
- visual gate was folded into the Campaign P matrix scenario 8 and that gate
- has not actually been run/confirmed yet — the reflect path this fix needs
- is unverified in practice, not just untested in isolation.
-- **AD-10** (`docs/architecture/retail-divergence-register.md`) — remote
- slope projection samples ONLY the terrain normal
- (`PhysicsEngine.SampleTerrainNormal`, consumed by
- `src/AcDream.Core/Physics/RemoteMotionCombiner.cs`), which cannot see
- building/EnvCell geometry at all. A house roof has no terrain normal to
- project against, so even a corrected `OnWalkable` would need a real
- contact-plane-derived slide, not the terrain-only approximation AD-10
- already flags as a divergence.
- **Superseded 2026-08-06:** AD-10 was RETIRED BY DELETION, and this
- paragraph's premise turned out to be inverted. Remote bodies DO run the full
- sweep (`ResolveWithTransition` -> `Transition.AdjustOffset`, retail
- `CTransition::adjust_offset` 0x0050a370 per sub-step), so the roof slide was
- already driven by a real contact-plane projection; the terrain sample was an
- EXTRA, non-retail layer on top of it and is now gone. Measured redundant
- before deletion — see the retired register row.
-
-The investigation stopped there per project policy and instrumented a probe
-(`ACDREAM_PROBE_REMOTE_LANDING`, then the `[remote-slide-*]` family in
-`PhysicsDiagnostics.cs`). See
-`docs/research/2026-08-04-remote-landing-investigation.md` for the companion
-Bug A (falling-animation-lingers) hypothesis set and the probe's decision
-table, and `docs/research/2026-08-04-bug-b-remote-slide-diagnosis.md` for the
-full four-link chain.
-
-**Bug B FIXED 2026-08-04 (awaiting the user's two-client visual gate).** The
-live capture settled it: two adjacent ticks 63 ms apart on a 52.4-degree roof
-(contact-plane `Normal.Z` 0.6097 against `FloorZ` 0.6642) showed the sweep
-reporting `rsInContact=True rsOnWalkable=False`, and the tick then committing
-`contact=True onWalkable=True gravity=False velBeforeZero=(2.146,2.264,0.000)`
-and `moved=0.0000` on every tick afterwards. **acdream's classifier was
-correct and was being overruled.** Four independent writes did it, and all four
-are gone:
-
-1. `RuntimeRemotePhysicsUpdater.Tick` asserted
- `TransientState |= Contact | OnWalkable` on every tick a remote was not
- flagged airborne. Retail writes CONTACT_TS from
- `collision_info.contact_plane_valid` (`CPhysicsObj::SetPositionInternal`
- @0x00515330, 0x00515430) and routes ON_WALKABLE_TS through
- `set_on_walkable` (@0x00511310) purely on
- `contact_plane.N.z >= PhysicsGlobals::floor_z` (0x00515465-0x0051548E).
- With both bits forced, `calc_acceleration` (@0x00510950) returned zero
- acceleration and `calc_friction` (@0x0050EE70) — whose entire body sits
- inside `transient_state & 2` — could not engage either.
-2. The same block zeroed `Body.Velocity`. Retail's `MoveOrTeleport`
- (@0x00516330) never reads or writes a remote's wire velocity at all; the
- zeroing discarded both the authoritative `0xF74E` vector and everything
- gravity had accumulated.
-3. The tick consumed only `ResolveResult.Position/CellId/IsOnGround` and called
- `HandleAllCollisions` bare — the TAIL of `SetPositionInternal` without its
- prefix. The sweep's own `InContact`/`OnWalkable` were never committed, and
- the landing edge was decided from `IsOnGround`, which is `inContact || ...`
- and is therefore TRUE on a steep contact. The tick now runs the full
- `PhysicsObjUpdate.CommitSetPositionTransition` sequence (contact prefix ->
- `set_on_walkable` edge -> `handle_all_collisions` @0x005154FE), gated on
- `Ok && candidateMoved` exactly like `PlayerMovementController` and retail
- `UpdateObjectInternal` (pc:283657).
-4. Both landing blocks cleared `PhysicsStateFlags.Gravity`. Retail never
- toggles GRAVITY_PS on a ground edge: the `CPhysicsObj` constructor seeds it
- (state `0x400C08` @0x00512508) and `set_state` (@0x00514DD0) assigns the
- description's state wholesale, post-processing only lighting/nodraw/hidden.
- The matching `State |= Gravity` in the VectorUpdate jump handler is deleted
- too, so the bit is now wire-owned end to end.
-
-Consequential cleanups in the same change: `MovementManager::HitGround` now has
-the single retail source it has in the binary — the `set_on_walkable(1)`
-edge — so the packet-side landing block no longer dispatches its own
-(which would have double-fired the landing re-apply); and `RemoteMotion.Airborne`
-is now derived on the SetPositionInternal commit from the committed
-`Body.OnWalkable`, which is the project's one existing definition of the flag
-(`PlayerMovementController.IsAirborne`, the spawn settle,
-`RemoteTeleportPlacement`, `TickHidden`). Only the fact it derives FROM moved,
-from the hand-rolled `IsOnGround` test to the sweep's contact-plane result.
-
-**Known follow-up, deliberately not changed here — now register row AP-140.**
-Because `Airborne` remains `!OnWalkable`, a remote sliding on a steep face is
-classified airborne, so an accepted grounded Position takes the
-`AirborneSnap`/landing-snap arm and hard-snaps to the server position at UP
-cadence instead of feeding the interpolation queue. Retail's predicate for that
-same decision is the CONTACT transient, not walkability
-(`InterpolationManager::adjust_offset` @0x00555D30 gates its whole body on
-`transient_state & 1` @0x00555D52), so a retail body in contact with a
-non-walkable face keeps interpolating. The two disagree on exactly one state,
-and this fix turned that state from unreachable (the deleted forge made every
-non-airborne remote walkable by construction) into ordinary — which is why it
-is now a filed divergence rather than an unremarked one. The bound is one UP
-interval to the authoritative position, and the between-packet motion is now a
-genuine local slide rather than a freeze, so the composite reads as continuous.
-
-**The follow-up slice is re-shaped (2026-08-04 review): do NOT re-derive
-`Airborne` from CONTACT.** That was prepared and backed out here because it
-perturbs all five `Airborne = !Body.OnWalkable` writers and contradicts a
-pinned assertion in
-`RemoteTeleportPlacementTests.Apply_PendingGroundToSteepContact_RestoresSourceWalkabilityForFirstAcceleration`
-(`InContact: true, OnWalkable: false` → `Assert.True(remote.Airborne)`). The
-right change is smaller: point the **two routing gates**
-(`ApplyRemoteContactRouting`'s `if (remote.Airborne)` and `OnPosition`'s
-player-remote `if (rmState.Airborne)`) at `remote.Body.InContact` directly and
-leave the `Airborne` flag alone. That is the literal retail predicate at the
-one place the predicate is used, and it touches no existing test.
-
-**AP-87's 4 m snap is deliberately untouched.** It is the #184
-invisible-but-solid backstop; this change removes the CAUSE of the divergence
-that made it fire, and the expected consequence is that it fires far less often.
-`InterpolationManager`'s `node_fail_counter > 3` stall snap is likewise
-untouched — the capture confirmed `producer=ap87-4m`, so the stall snap was
-never the producer here, and it is a faithful port of
-`InterpolationManager::UseTime` @0x00555f20.
-
-Register: **AP-81** narrowed (its whole GRAVITY half retired), **AP-87**
-annotated, **AP-139** filed for the interpolation-queue clear the deleted
-landing block used to own, **AP-140** filed at the review for the
-walkability-vs-CONTACT routing predicate above. Coverage:
-`tests/AcDream.Runtime.Tests/Physics/RuntimeRemoteSteepContactSlideTests.cs`
-(10 tests over a synthetic constant-gradient ramp, each individually
-discriminated against a reverted fix).
-
-**Recorded gaps from the 2026-08-04 Opus review — the fix PASSED; these are
-known, deliberately unfixed, and none of them was changed in the tightening
-pass that recorded them.**
-
-- **The `LeaveGround` dispatch is new and unbounded.** The
- `previousOnWalkable && !finalOnWalkable` arm calls
- `MotionInterpreter.LeaveGround()`, which is a per-remote dispatch acdream
- never made before. It is retail-shaped (`CMotionInterp::LeaveGround`
- @0x00528B00 — creature gate @0x00528B36, Gravity-state gate, then the
- velocity install @0x00528B66), but note what it DOES: `GetLeaveGroundVelocity`
- (@0x005280c0) **replaces** the body's velocity with `get_state_velocity()`
- plus a jump Z, then `RemoveLinkAnimations` + `apply_current_movement`
- re-dispatches motion. Nothing bounds how often it can fire: the suite bounds
- the HitGround edge at exactly 1
- (`WalkableLandingStillLandsAndFiresTheGroundEdgeOnce`) but has no
- counterpart for LeaveGround, and noisy geometry — a
- walkable lip alternating with a steep face across the sweep — could chatter
- the edge and re-dispatch motion every tick. Compare the #270 lesson in
- `claude-memory/project_physics_collision_digest.md`: a per-stats-refresh
- `ReportExhaustion` re-dispatch produced 490 spurious stance re-queues in one
- session; **never re-add a per-tick re-apply.** A LeaveGround-count bound is
- the missing test.
-- **The primary watch item for the visual gate: action animations on remotes
- that fail to establish contact.** The deleted per-tick force was, in
- practice, a blanket guarantee that every non-airborne remote carried
- `Contact | OnWalkable`. `contact_allows_move` (@0x00528dd0) **silently
- refuses action animations** for a body lacking both — that is the exact root
- cause of closed issue **#270** ("monster attacks but the animation never
- fires", "stuck in cast pose"). Post-fix, any remote whose sweep fails to
- establish contact loses its attack/cast animations. On a 52.4-degree roof
- that is retail-correct and is the point of the change. Anywhere else it is
- the `feedback_latent_bug_masked_by_fallback` shape: the forge was masking
- contact failures, and removing it exposes every one of them. **Watch for
- missing attack/cast animations on ordinary flat ground during the two-client
- gate; if any appear, the bug is in contact establishment, not in this fix.**
-- **A remote whose transition keeps failing never re-derives `Airborne`.** The
- whole SetPositionInternal commit is gated on `Ok && candidateMoved`, and
- `rm.Airborne = !rm.Body.OnWalkable` is assigned only inside it, while the
- packet-side landing block no longer clears `Airborne` either. A remote whose
- transition keeps returning `!Ok` — the #116/#182 wedge class — therefore
- stays flagged airborne indefinitely: it keeps integrating gravity, and every
- grounded UP hard-snaps it back, producing sink-and-snap jitter at UP cadence.
- Bounded (each snap is to the authoritative position) and its reachability is
- unproven, but it is new with this change and did not exist while the forge
- ran.
-
-Still open on this row: the two dependencies named above. **#173**'s remote
-collision-velocity reflect now genuinely runs on a steep contact (the old code
-passed `IsOnGround` as `nowOnWalkable`, which suppressed the reflect exactly
-where retail forces it), but its visual gate is still unrun. ~~**AD-10**'s
-terrain-only slope projection still cannot see building geometry; it is now
-correctly gated OFF while the body is not on walkable ground, so a roof slide
-is driven by gravity plus the sweep's own plane projection rather than by that
-approximation.~~ **Closed 2026-08-06:** AD-10 was retired by deletion — the
-terrain-only projection no longer exists anywhere in the tree, so this
-dependency is discharged rather than merely gated. The roof slide is driven by
-gravity plus the sweep's own contact-plane projection, which is what retail
-does. The retail-strict `step_up_slide`/`cliff_slide` audit that this
-row was originally filed for is unchanged.
-
---
## #35 — [DONE 2026-04-30] Retail debugger toolchain (cdb + PDB GUID matching)
@@ -16300,12 +8331,8 @@ retail's viewer-distance smoothing (update_viewer region) before touching.
## #116 — Slide-response divergence family: near-perpendicular lateral slide lost + first-airborne-frame in-frame slide vs hard stop
-**Status:** OPEN (narrowed further, 2026-07-30) — **shape-2 CLOSED**
-(D4 un-skipped and passing, oracle-plan-confirmed, no cdb needed after
-all — see the 2026-07-30 update below); **shape-1 narrowed, not closed**:
-a real, independently-decomp-confirmed Path-6 head-sphere fix landed, but
-it does NOT explain the tick-22760 symptom this issue was filed against —
-see below for the new evidence and the concrete open candidate.
+**Status:** OPEN (narrowed) — one Ghidra-confirmed faithfulness fix
+SHIPPED 2026-06-12; both reported shapes still need a runtime trace.
**Severity:** LOW-MEDIUM (over-blocking, never under-blocking — no
walk-throughs; feel-level divergence at walls/doors)
**Filed:** 2026-06-11 (BR-7 / A6.P4 ship session)
@@ -16423,63 +8450,6 @@ door push to confirm whether the `cn=(0,0,1)` comes from our
**2026-07-09 triage:** investigated, verdict STILL_OPEN — the pinned harness diagnostic (`Diagnostic_Tick22760_DumpEngineInternals`) still shows the harness hard-stopping laterally where live retail slides, and `BSPStepUpTests.D4_AirborneMover_TallWall_PersistsSlidingNormalAcrossFrames` remains explicitly `Skip`-tagged citing this issue; only one Ghidra-confirmed partial fix (`bf18a543`, `F_EPSILON` vs `EpsilonSq`) has landed.
-**2026-07-30 (Campaign P final physics slice) — shape-2 CLOSED, shape-1
-narrowed with new evidence, no cdb session needed for either after all:**
-
-- **Shape-2 CLOSED — no cdb needed.** The oracle plan
- (`docs/research/2026-07-30-ts4-116-oracle-plan.md` §3, cross-referencing
- the raw BN pseudo-C, ACE's `BSPTree.cs`, and current source) found the
- ROUTING question (does retail's first airborne wall-contact frame reach
- `slide_sphere`?) answerable from static structure alone: retail's
- dispatch never calls `slide_sphere` on a genuine first-airborne-frame
- FOOT-sphere hit — `Path 6` sets `Collide` without repositioning, the
- retry routes to `Path 4` (`find_walkable`), which for a sheer vertical
- wall finds no candidate, and `Phase 3`'s `sp.Collide` block then hard-
- stops with the wall's real normal. A confirming instrumentation run
- (probes on which `BSPQuery.cs` path fires + whether `FindWalkableInternal`
- finds a candidate, added in `5e2be19b`) reproduced exactly this sequence
- for the D4 fixture once TS-4's shortcut was removed (`5e2be19b`) — Path 6
- → Path 4 (`changed=false`) → Phase 3 `Collided` with `StepUpNormal`. D4
- un-skipped as a test-only change (`01492205`) and passes. TS-4's own
- removal is what unblocked this; D4's own code was never wrong.
-- **Shape-1: the Path-6 head-sphere fix landed, but does NOT explain
- tick-22760.** The oracle plan's §2.3 hypothesis (a foot-clear/head-hit
- airborne contact deferred through `SetCollide`/`Adjusted` instead of
- retail's direct `Collided`+`SetCollisionNormal`) is CONFIRMED as a real,
- independently-decomp-confirmed divergence (pc:323824-323834, ACE
- `BSPTree.cs:221-230`) and is now fixed in both `BSPQuery.cs` and
- `FlatBspQuery.cs` (`db2889af`). **But re-running
- `Diagnostic_Tick22760_DumpEngineInternals` after the fix shows NO
- CHANGE** (harness still `cn=(0,0,1)` vs live `cn=(0,+1,0)`). New
- dispatch-entry probes (`[path-dispatch]`, `[path5-diag]`, permanent,
- gated on `ProbeIndoorBspEnabled`) traced the ACTUAL tick-22760 call
- sequence: the mover is GROUNDED (`Contact` bit set in the seeded
- snapshot), so it never reaches Path 6 at all. It dispatches Path 5 →
- `StepSphereDown` (Path 3, both `DoStepDown` half-steps fail to find a
- walkable candidate on the door's simplified BSP registration) →
- `EdgeSlideAfterStepDownFailed` → `SpherePath.PrecipiceSlide`, whose
- `find_crossed_edge`-false fallback returns `Collided` with **no**
- collision-normal write. A fresh byte-level read of retail's
- `SPHEREPATH::precipice_slide` (pc:274316-274326, `0x0050cc80`) confirms
- this is byte-exact retail behavior (`if (eax == 0) { walkable = 0;
- return 2; }`, no `set_collision_normal` call) — not a bug; `validate_transition`'s
- `UnitZ` default fires identically in both engines here. **The tick-22760
- divergence is therefore NOT explained by anything in the response/slide
- layer this issue was filed against.** Leading candidate (not yet
- chased): `DoorBugTrajectoryReplayTests.BuildEngineWithDoorFixture`
- registers the door's raw BSP directly at its captured bounding-sphere
- center rather than via the faithful `ShadowShapeBuilder.FromSetup` +
- `PlacementFrame` transform `BuildFaithfulDoorEngine` uses elsewhere in
- the same file — the harness's door geometry may simply not be where
- live retail's was at that exact tick, which would make this a
- test-fixture gap, not an engine bug. See
- `docs/research/2026-07-30-ts4-116-oracle-plan.md` Addendum 2 for the
- full trace. **Next step, if picked back up:** re-run the tick-22760
- capture against `BuildFaithfulDoorEngine`'s Setup-based registration
- (not the simplified fixture) to see whether a real BSP hit against the
- door — instead of the seeded generic floor triangle — changes the
- outcome, before considering any further code change.
-
---
## #118 — Character clipped + disappears for a moment when exiting houses — [DONE 2026-06-11 · 5a80a2e, user re-gate "Yes solved"]
@@ -17187,84 +9157,6 @@ outdoors at the angle that previously erased it.
# Recently closed
-## #362 — [DONE 2026-08-09] Four new CH4 outbound requests have no inbound response handler
-
-**Closed:** 2026-08-09, Campaign CH user-gate round 1, item E.
-**Filed:** 2026-08-09, Campaign CH slice CH4.
-**Register row:** TS-70, RETIRED in the same commit.
-
-**Resolution:** `@index`, `@clist`, `@hslist`, and `@allegiance info` sent
-byte-correct retail GameAction requests
-(`ClientCommandRequests.BuildIndexChannels`/`BuildListChannel`/
-`BuildListAvailableHouses`/`BuildAllegianceInfoRequest`), but their
-GameEvent responses (`ChannelIndex 0x0149`, `ChannelList 0x0148`,
-`AvailableHouses 0x0271`, `AllegianceInfoResponse 0x027C`) had no
-`GameEventWiring` handler — ACE's reply was silently dropped. New
-`ClientCommandResponses.cs` (`src/AcDream.Core.Net/Messages/`) parses all
-four wire shapes (cross-checked against ACE's
-`GameEventChannelIndex`/`GameEventChannelList`/`GameEventHouseAvailableHouses`/
-`GameEventAllegianceInfoResponse` writers) and renders retail-shaped
-`LogTextType 0x00` (Default) lines ported verbatim from the named-retail
-decomp:
-- ChannelIndex/ChannelList: `Handle_Communication__ChannelIndex`/`ChannelList`
- @0x0057d0c0/@0x0057d230 — a header line then one line per name.
-- AvailableHouses: `Handle_House__Recv_AvailableHouses` +
- `DisplayListOfCoords` @0x00585d50/@0x00585c20 — the "There are N
- available." summary, then one indented `RadarCoordinates`-formatted
- location line per landblock (skipped for apartments, which have no world
- location, matching retail's `arg2 != 4` gate), then the >400-locations
- truncation notice when `TotalAvailable > 0x190`.
-- AllegianceInfoResponse: `Handle_Allegiance__AllegianceInfoResponseEvent`
- @0x0056a1d0 — the asterisk-legend note, "Allegiance information for
- <name><* if online>:", an optional "Patron:" line, and an
- optional "Vassals:" block, all reconstructed from the wire's flat
- parent-tagged record list via ports of retail's own
- `GetData`/`GetPatron`/`GetFirstVassal`/`GetNextVassal` walk. A player with
- no allegiance record produces NO lines, matching retail's own early
- return — this is not a residual bug.
-
-17 new parser/format/routing tests
-(`tests/AcDream.Core.Net.Tests/Messages/ClientCommandResponsesTests.cs`)
-cover round-trips for all four shapes (including the empty-allegiance and
-apartment-skip edge cases) and a `GameEventDispatcher`-level routing test
-proving each reaches the `ChatLog` transcript with
-`RetailLogTextType.Default`.
-
-## #329 — [DONE 2026-08-09] The portal wait cue arms five seconds late; retail emits it per tunnel rotation segment, unconditionally
-
-**Closed:** 2026-08-09, Campaign CH user-gate round 1, item D.
-**Severity:** LOW (cosmetic, but it is a retail divergence on every single
-portal, in both directions)
-**Filed:** 2026-08-06, #280 retail-conformance review, finding F2.
-**Register row:** AP-150, RETIRED in the same commit.
-
-**Resolution:** `PortalTunnelPresentation.TickRotation` now writes
-`"In Portal Space - Please Wait..."` directly and unconditionally in the
-rotation-segment-expiry branch, on every segment boundary, matching
-`gmSmartBoxUI::UseTime`'s `else` arm at 0x004D6FCD verbatim — confirmed
-against `docs/research/named-retail/acclient_2013_pseudo_c.txt:219499-219525`
-before coding, which shows no hold/threshold test anywhere in that branch.
-acdream's own `RotationDurationMin`/`Max` (0.6-1.8 s) already matched
-retail's `RandDouble` window byte-for-byte; only the arming — gating the
-write on `_waitCueVisible`, which only ever went true after the invented
-five-second `RuntimeWorldTransitState.RetailWaitCueDelay` hold — was wrong.
-That hold/`ObserveWait`/`SetWaitCue` plumbing remains as
-`LocalPlayerTeleportController`'s own telemetry
-(`RuntimePortalSnapshot.WaitCueShown`) but no longer gates the on-screen
-cue; a dedicated `ClearWaitCueNotice()` now hides the notice unconditionally
-on Enter/Exit/Dispose so a line written by the per-segment path can never
-survive past the presentation going invisible. The notice text also now
-renders in the same bright yellow as an incoming Tell
-(`(1, 1, 0.247, 1)`, `PortalWaitNoticeController`), per the user's live
-side-by-side observation (round 1 also pinned the SpewBox to the same
-colour, AP-178).
-
-**Consequence (fixed):** every portal, regardless of duration, now shows the
-notice from the first rotation segment (which expires immediately on entry
-since `_rotationDuration` starts at 0), refreshed every 0.6-1.8 s for as
-long as the tunnel presentation is visible — matching retail instead of
-silently skipping short transits and running 3.2-4.4 s late on long ones.
-
## #234 — [DONE 2026-07-23] Cancelled close-range Use could strand the busy cursor
**Closed:** 2026-07-23
@@ -18459,7 +10351,7 @@ parallel to existing handlers (no behavior change).
**Closed:** 2026-04-25
**Commit:** `ca968fc`
-**Resolution:** Full `0xF7DE` codec with three payload variants (`EventSendToRoom`, `RequestSendToRoomById`, `Response`), UTF-16LE strings with variable-length prefix, `SetTurbineChatChannels (0x0295)` parser, unified `ChatChannelInfo` (Legacy + Turbine variants), `TurbineChatState`. **Correction (Campaign CH slice CH3, 2026-08-09): the "ACE doesn't run a TurbineChat server" note above was FALSE.** ACE has a complete TurbineChat implementation (`TurbineChatHandler.cs`, 387 lines), on by default (`use_turbine_chat = true`), and our own launch logs have shown parsed `SetTurbineChatChannels` room ids since at least 2026-05-21. See `docs/research/2026-08-09-chat-side-channels-vs-ace.md` §1.
+**Resolution:** Full `0xF7DE` codec with three payload variants (`EventSendToRoom`, `RequestSendToRoomById`, `Response`), UTF-16LE strings with variable-length prefix, `SetTurbineChatChannels (0x0295)` parser, unified `ChatChannelInfo` (Legacy + Turbine variants), `TurbineChatState`. **Note: ACE doesn't run a TurbineChat server — codec is ready for retail-server-emulating setups.**
---
@@ -18519,13 +10411,7 @@ The remaining trailer sections (options / shortcuts / hotbars / inventory / equi
**Commit:** `feat(net): #7 PlayerDescriptionParser — enchantment block walker + StatMod flow`
**Resolution:** Closed alongside #7 in the same commit. `ActiveEnchantmentRecord` extended with optional `StatModType`, `StatModKey`, `StatModValue`, `Bucket` fields. `Spellbook` got an `OnEnchantmentAdded(ActiveEnchantmentRecord)` overload that accepts the full record. `EnchantmentMath.GetMod` aggregator now consumes the StatMod data: multiplicative bucket (1) → multiplier ×= val; additive bucket (2) → additive += val; vitae bucket (8) → multiplier ×= val (applied last, matching retail `CEnchantmentRegistry::EnchantAttribute` semantics). 5 new EnchantmentMath StatMod-aware tests cover: multiplicative buffs aggregate, additive buffs sum, stat-key mismatch is filtered out, vitae applies multiplicatively, family-stacking picks the higher spell-id buff.
-**2026-07-31 live-update closeout:** `ParseMagicUpdateEnchantment`
-(0x02C2) now parses the complete record, including start time, DegradeModifier,
-degrade limit, last time degraded, StatMod type/key/value, and bucket
-classification. `GameEventWiring` maps that immutable wire record into the
-same `ActiveEnchantmentRecord` shape as PlayerDescription. The end-to-end
-test sends an actual 0x02C2 payload through dispatch and proves the resulting
-StatMod changes the local player's effective skill without relogging.
+`ParseMagicUpdateEnchantment` (the live-update opcode 0x02C2) is **not** yet extended — it still uses the 4-field summary. That's a separate refactor; PlayerDescription's enchantment block is the load-bearing path for issue #6, and that's now flowing.
---
@@ -18535,9 +10421,7 @@ StatMod changes the local player's effective skill without relogging.
**Commit:** `feat(player): #6 fold enchantment buffs into vital max via EnchantmentMath`
**Resolution:** Ported `CEnchantmentRegistry::EnchantAttribute` (PDB `0x00594570`) as `EnchantmentMath.GetMod(IEnumerable, SpellTable, statKey)` returning `(Multiplier, Additive)`. Family-stacking dedup via `SpellTable.Family` (only one buff per family bucket wins, by highest spell-id as a generation proxy). `Spellbook.GetVitalMod(statKey)` delegates. `LocalPlayerState.GetMaxApprox` reworked to apply `(unbuffed × mult) + add` with retail's min-vital clamp (`>= 5` if base ≥ 5 else `>= 1`, matches `CreatureVital::GetMaxValue` at PDB `0x0058F2DD`). Stat-key constants (`MaxHealth=1`, `MaxStamina=3`, `MaxMana=5`) verified against `docs/research/named-retail/acclient.h` line 37287-37301.
-**Data path complete:** both PlayerDescription and live 0x02C2 updates carry
-the full StatMod into `ActiveEnchantmentRecord`; the shared aggregator applies
-it immediately to attributes, vitals, skills, movement, and retained UI.
+**Architecture in place; data still flat.** Until ISSUES.md #12 lands the wire-format extension that captures `StatMod (type/key/val)` on `ActiveEnchantmentRecord`, the per-enchantment modifier value isn't aggregated yet — `EnchantmentMath.GetMod` returns `Identity (1.0, 0.0)` for every stat key. Once #12 wires the data, the existing aggregator + formula light up automatically. Live `+Acdream` Stam/Mana percent will continue to read ~95% until #12 lands.
6 new EnchantmentMathTests cover: empty list returns Identity, no-table-entries returns Identity, stat-key constants match ACE enum, Identity is `(1, 0)`, family-stacking dedup, family=0 (no-bucket) treated as separate.
@@ -18796,318 +10680,3 @@ meshes; scrolling cloud layers kept `GL_REPEAT`. The 5 dome walls were
sampling opposite-edge pixels via UV wrap + LINEAR filtering, producing
visible seam lines that formed a cube outline across the view.
-->
-
-## #316 — The player arm's LANDING TRANSITION block never publishes the collision shadow
-
-**Status:** OPEN
-**Severity:** UNKNOWN pending one measurement (see "The open question") — either
-a ~33 ms shadow lag (cosmetic, invisible in practice) or the #184
-invisible-but-solid class (real). Do not act on it before measuring.
-**Filed:** 2026-08-04
-**Component:** physics / collision / remote presentation
-
-**Found by** the OnPosition-collapse contract scoping
-(`docs/research/2026-08-04-onposition-collapse-contract.md`), which neither
-C4 route 4b-3 review round caught. Confirmed independently by reading the
-block.
-
-**Description:** `LiveEntityNetworkUpdateController.OnPosition`'s player-guid
-LANDING TRANSITION block (the `!rmState.Body.InContact` hard-snap) does all of:
-`Interp.Clear()`, the body position/orientation snap,
-`TryArmConstraintAfterOperation`, the render-entity sync
-(`entity.SetPosition` / `ParentCellId` / `Rotation`),
-`EnsureRemoteMotionBindings`, and the landing probe — then returns. It never
-calls `LiveEntityShadowPublisher.TryPublishRemote`. The three publish sites in
-the file all sit outside this block, and the NPC-guid copy's equivalent
-scenario DOES publish through its arm tail.
-
-So a landing player-remote's body and render entity move to the authoritative
-landing pose while its collision shadow stays at the pre-snap position.
-
-This also contradicts the file's own #184 Slice 2b comments, which assert
-"player shadows follow the resolved body exactly like NPCs". Those comments
-are the stale-comment class the campaign has hit six slices running.
-
-**The open question (measure before fixing):** the per-tick remote physics
-commit syncs shadows on translation/orientation/cell change, so this may
-self-heal on the next tick (~33 ms) rather than persisting. Whether it does
-decides whether this is cosmetic or the #184 class. Resolve by landing a
-remote player observer and sampling the shadow entry position against the body
-across the landing frame and the following tick — `ACDREAM_PROBE_REMOTE_LANDING`
-already instruments the packet side of exactly this edge.
-
-**Why it is NOT fixed in the collapse:** the collapse is behaviour-preserving
-by contract; adding a publish would be a behaviour change smuggled into a
-refactor, and its severity is unmeasured. Split-on-discovery: own commit, with
-a dual-guid test, after the measurement.
-
-**Post-collapse update (2026-08-04):** the OnPosition collapse dissolved the
-standalone player-guid LANDING TRANSITION block into the unified remote
-routing tail's `AirborneSnap` arm. The defect this row describes is
-UNCHANGED and now lives as an explicit, commented, guid-gated skip at that
-arm's shadow-publish step (`arm is RemoteContactArm.AirborneSnap &&
-IsPlayerGuid(...)` in `LiveEntityNetworkUpdateController.OnPosition`) —
-preserved verbatim, not fixed, per this row's own resolution above. Covered
-by `LandingPacket_PlayerGuid_QueueClearedNoShadowPublish_316Preserved` /
-`LandingPacket_CreatureGuid_ShadowPublishedQueueNotCleared` in
-`tests/AcDream.App.Tests/Physics/LiveEntityNetworkOnPositionCollapseMatrixTests.cs`.
-
-## #319 — A player-parented child never receives a canonical cell (ParentInstanceSequence hardcoded 0)
-
-**Status:** FIX IMPLEMENTED, awaiting the connected acceptance gate (§7 of the
-contract) and commit — NOT YET COMMITTED in this worktree. Do not mark DONE
-until the gate runs and the change lands.
-**Severity:** LOW for the user (no observable symptom — verified, not assumed),
-HIGH for process (it defeats route 7's own connected gate; see below)
-**Filed:** 2026-08-05
-**Component:** physics / entity lifetime / equipped children
-
-**Fix summary (implementation, revised after the dual review — retail PASS,
-architecture FAIL/6 MAJORs, both 2026-08-05).** Both CreateObject-carried
-producers (`EquippedChildRenderController.OnSpawn` for a raw CreateObject and
-`OnCreateParentAccepted` for the same-generation `CreateParentUpdate`
-envelope — the contract named only `OnSpawn`; `OnCreateParentAccepted` has the
-identical structural defect and was fixed alongside it) now route through
-`AcceptLateBoundCreateObjectRelation`: if the parent's live snapshot is known
-at accept time (always true in production — see A6 below), stage the relation
-with the parent's live `InstanceSequence`; otherwise log a loud refusal with
-no state mutation (a deferred-relation queue was tried here and REMOVED after
-the review; see A6). `ParentAttachmentState.CanCommitIncarnation` is a pure,
-side-effect-free precondition checked BEFORE either half of a parent-attach
-commit mutates anything (moved there by architecture review finding A1: the
-original shape checked from inside `CommitProjection`, reached only AFTER the
-canonical commit had already landed, so a mismatch tore the transaction —
-canonically parented, no committed relation, a staged relation blocking
-`Resolve` forever). It logs and returns `false` rather than throwing (Route
-3's N3 principle: a possibly-transient condition must not be fatal on a host
-that must survive long endurance sessions) — wired from both the App producer
-and the headless `RuntimeLiveEntitySessionController`, both now checking it
-BEFORE their canonical commit. Two structural gates
-(`LiveEntityHydrationController.OnLandblockLoaded`,
-`LiveEntityPresentationController.RestoreShadow`) now refuse a record with a
-committed parent, closing the two call sites the contract's §3.1/§3.2 flagged
-as inert-only-because-the-cell-is-zero (§3.2's premise was corrected by
-architecture finding A4: the gate is a live behavior change for
-CREATURE-parented children, route 7's D1 already re-cells them nonzero — see
-the connected gate's Half B watch item). **A6 — the deferred-relation
-question, decided:** an initial revision queued a CreateObject-carried
-relation whose parent was not yet addressable and adopted the parent's live
-incarnation once it arrived. Both independent reviews proved this queue was
-structurally unreachable in production for BOTH producers —
-`RuntimeEntityObjectLifetime.RegisterEntityCore`'s `EnqueueDeferredCreate`
-gate defers the ENTIRE CreateObject (both wire shapes) before either producer
-ever runs — while it carried three latent defects of its own (a missing child
-POSITION_TS gate, a placeholder-incarnation collision with the generation
-filters, unbounded mid-session accumulation), exercised only by a test that
-bypassed production routing. Deleted rather than fixed in place: dead code
-carrying three defects is a worse trade than a loud refusal for a case the
-layer above already guarantees cannot happen. New ledger-convergence tests
-(dual-parent-class: child removal, parent removal, full teardown) close the
-gap this decision would otherwise have left untested. Full contract:
-[`docs/research/2026-08-05-issue-319-contract.md`](research/2026-08-05-issue-319-contract.md).
-Follow-up filed as #320 (the local player's canonical cell does not track
-ordinary movement — deliberately NOT bundled into this fix). Register:
-AP-142 clause (f), AP-132 clarifying sentence, new row AP-146.
-**Regressed by:** `cd3129e9` (C4 route 7), which un-masked a pre-existing latent
-bug rather than creating it.
-
-**Root cause.** `EquippedChildRenderController.cs:134` hardcodes
-`ParentInstanceSequence: 0` for a `CreateObject` carrying a parent. Correct for
-creatures and statics, which genuinely are sequence 0. WRONG for players: ACE
-sets a player's `ObjectInstance` to `Character.TotalLogins`
-(`Player_Networking.cs:37`), which acdream parses into
-`RuntimeEntityRecord.Incarnation`. The relation is therefore filed under
-`(playerGuid, 0)` while the record carries `TotalLogins`, and BOTH route-7
-write sites key on the record's real incarnation:
-- D1 attach re-cell — `RuntimeEntityObjectLifetime.cs:1537`
- `parent.Incarnation == parentInstanceSequence` → false.
-- D2 propagation — `RuntimeEntityDirectory.cs:478-480`
- `ChildrenAttachedToParent(guid, current.Incarnation)` → empty, forever.
-
-`TryCommitParent` never validates the sequence, so the attach succeeds and
-`equipment: attached` prints normally. Silent.
-
-**Why route 7 owns it.** The deleted `TickChild` call reached
-`RebucketLiveEntity` → `CommitRebucket` → `SetFullCell` keyed on the CHILD guid
-alone, sourced from the parent's App-side `ParentCellId` — structurally immune
-to a wrong parent key, and it tracked the local player exactly. Its replacement
-`RebucketLiveEntityPresentationOnly` deliberately never commits canonical cell
-(`LiveEntityRuntime.cs:1026-1028`).
-
-**Scope is wider than the local player: every REMOTE player's equipment too.**
-Proven by class rather than anecdote — every probe-firing parent across both
-captured gate logs is `0x7…` (static) or `0x8…` (dynamic), i.e. sequence 0; the
-sole `0x5…` player parent is the sole failure.
-
-**User-visible consequence: NIL, verified.** Rendering has an explicit fallback
-(`LiveRenderProjectionJournal.cs:270-277`); attached children are structurally
-excluded from spatial roots, physics/projectile worksets, the collision
-retirement sweep, radar, and `WorldPicker`; VFX redirect to the parent;
-landblock unload parks rather than destroys. Headless bots do not misreport.
-
-**THE PROCESS FINDING, which outranks the defect.** Route 7's still-owed
-connected gate accepts a session "only if `cause=propagate` lines appear". A
-zero-cell player child emits NO line, so the defect's signature is ABSENCE —
-which the criterion reads as "not exercised" rather than "broken". Two captured
-gate logs contain this defect and neither flags it. **The criterion is
-unfalsifiable in the presence of the bug it exists to catch**, which is worse
-than having no gate, because it manufactures confidence. Corrected in the
-closeout handoff: the gate must now assert a POSITIVE — the equipped child's
-`FullCellId` equals the parent's after a crossing — not merely count probe
-lines.
-
-**Do NOT rush the fix; it has more blast radius than the bug.**
-1. The player's canonical cell does not track the player during ordinary
- movement (only login activation, inbound Position/ForcePosition, and
- teleport write it; WASD passes a landblock id that
- `LiveEntityRuntime.cs:935-938` explicitly preserves the old cell for). So
- correcting the key ALONE yields a stale cell, not a correct one.
-2. Three sites are inert only because the cell is zero and would wake on a fix:
- the hydration `projectionCellId != 0` filter
- (`LiveEntityHydrationController.cs:551-554`, opens a two-writer window),
- `RestoreShadow` (`LiveEntityPresentationController.cs:216-236`, installs a
- broadphase row route 7 says should not exist), and
- `RuntimeInitialCreateResidenceState.Begin`'s `FullCellId != 0` refusal
- (`:583`).
-
-Full analysis, with the headless test's structural immunity explained:
-[`2026-08-05-local-player-child-propagation.md`](research/2026-08-05-local-player-child-propagation.md)
-
-## #321 — `DatSoundCacheTests` concurrent-decode-dedup fails under full-suite load
-
-**Status:** OPEN
-**Severity:** LOW (test-only so far; no production symptom observed)
-**Filed:** 2026-08-05
-**Component:** content / audio cache
-
-Surfaced during C5a's commit-1 standalone verification: a concurrent
-decode-dedup fact in `DatSoundCacheTests` failed once under full-suite load in
-`AcDream.Core.Tests` and passed cleanly when re-run standalone.
-
-**Filed separately ON PURPOSE.** It is NOT #302 (`PortalProjectionTests`
-GC-allocation assertion, App.Tests) and NOT #308 (`NakEmissionTests.LossSoak_…`
-wall-clock deadline, Core.Net.Tests). The standing handoff rule is that those
-two must never be conflated; a THIRD load-sensitive failure absorbed into "the
-flake class" is exactly how a real intermittent defect gets dismissed as noise.
-
-**What is actually unknown:** whether this is a test-harness race (two threads
-racing the dedup latch in the fixture) or a genuine thread-safety defect in the
-decode cache itself. The distinction matters — `DatCollection` is already
-recorded in project memory as NOT thread-safe, and an audio decode cache racing
-under load would be the same family rather than a coincidence.
-
-**First step, before treating it as noise:** run `AcDream.Core.Tests` alone
-under repeat/stress to see whether it reproduces without full-suite load. If it
-only fails under load it is scheduling pressure; if it reproduces in isolation
-under repetition, it is a real race and should be escalated out of LOW.
-
-Do not add a retry, a `Skip`, or a delay to make it green — this campaign's
-standing rule is no workarounds without explicit approval, and a masked race is
-strictly worse than a red test.
-
----
-
-## #322 — Two callers compute the same two pre-placement flags from the same two inputs
-
-**Status:** OPEN
-**Severity:** LOW (internal refactor debt; NOT a retail divergence)
-**Filed:** 2026-08-05 (C5b review, finding S1 — the successor #275 closed
-without filing)
-**Component:** Runtime / inbound Position
-
-**Description.** Since C5b (`735f0a72`) both accepted-Position callers derive
-retail's two pre-placement writes — `installPlacementFrame` and `clearParent` —
-from the identical pair `(disposition, hasAnimations)`, in two separate places:
-
-- `InboundPhysicsStateController.TryApplyPosition` computes them inline,
- pre-merge, from the retained snapshot `old`.
-- `RuntimeInitialCreateContinuationExecutor.ApplyPositionAction` reads them off
- `RuntimeAuthoritativePositionRouteClassifier`'s
- `ApplyPlacementFrameBeforeRouting`/`UnparentBeforeRouting`, built through
- `RuntimeAcceptedPositionRouteRequests.Build`.
-
-The two are pinned EQUAL by test rather than by a shared code path
-(`InboundPhysicsStateControllerTests.MergedPrePlacementFieldsMatchTheClassifiedRouteFlags`,
-whose oracle is the production classifier fed through the production `Build`
-since the C5b review's L3 fix). That is deliberate: it keeps each computation
-separately sabotage-verifiable. It is still two copies of one rule.
-
-**Why this is not #275.** #275 was the BEHAVIOURAL unification and is closed:
-the merge no longer passes unconditional `true/true`, and it no longer derives
-`FullCellId` from bare wire acceptance. What remains is structural only. There
-is no behavioural motivation left behind it, which is precisely why it needs
-its own ID rather than an open-ended "eventual cutover" pointer.
-
-**Acceptance (either is fine, pick at the time):** (a) wire the continuation
-executor into the steady-state path so there is one caller, or (b) extract the
-two-flag derivation into one function both callers call — but if (b), the pin
-test must be re-argued, since a shared path makes the current
-merge-vs-classifier sabotage discrimination vacuous.
-
-**Do not** widen `TryApplyPosition`'s signature to take a full
-`RuntimeAuthoritativePositionRoute` as a shortcut: the whole point of C5b's
-finding is that these two flags need no route, no `playerDistance` and no
-`CommittedCellId`, because retail decides both ahead of `MoveOrTeleport`
-(`SmartBox::HandleReceivedPosition` @0x00453FD0 — Gate A @0x0045400C returns
-@0x0045409D before `unset_parent` @0x00454129 and before the `HasAnims`
-`SetPlacementFrame` gate @0x00454137).
-
----
-
-## #323 — A far-snap store can silently stale a pending initial-create completion receipt
-
-**Status:** OPEN
-**Severity:** LOW (narrow, self-healing within one broadcast interval; no
-observed live symptom)
-**Filed:** 2026-08-05 (C5b review, finding D2 — found while establishing that
-C5b did NOT weaken the guard; this gap predates C5b)
-**Component:** App / placement projection
-
-**Description.** `LiveEntityRuntime.TryApplyInitialCreateCompletionPresentation`
-declines a stale `ExecutorCompleted` receipt on two terms:
-`record.FullCellId != token.ExactCellId` and
-`record.Canonical.PlacementCommitVersion != token.PlacementCommitVersion`.
-Together those cover every owner that can move the receipt's facts — the
-receipt carries the canonical body's pose and cell at publish
-(`RuntimeSetPositionState.PublishExecutorCompletion`), and only a Runtime
-SetPosition commit/withdrawal (every one of which calls
-`AdvancePlacementCommit`; the only caller family is `RuntimeSetPositionState`)
-or a rebucket can move them.
-
-**Except one.** `RuntimeRemotePlacementDriveController.StoreAcceptedDestinationPose`
-writes `body.Position` and `body.Orientation` directly on the far-snap
-`Refused`/`Contention`/`RejectedPreparation` arm (AP-138 item (1)'s
-"store, because the resolve never ran"). It bumps no placement commit and
-moves no cell. If an `ExecutorCompleted` receipt for that entity is still
-sitting behind an unacknowledged receipt on the shared placement FIFO when
-that store lands, the receipt drains with a pose that is now older than the
-body's, and `entity.SetPosition(projection.WorldPosition)` snaps the render
-entity back.
-
-**Why the FIFO can be non-empty at that moment.** `PublishExecutorCompletion`
-dispatches synchronously, but `RuntimePlacementProjectionSubscription.OnPlacement`
-applies a receipt only when it is the FIFO head, and
-`RuntimePlacementPresentationSink.TryApply` deliberately refuses (leaves at the
-head) any `Place`/`Withdraw` for an entity still holding an initial-create
-residence, for the drive controller's per-frame pump to consume. So one
-entity's conductor-owned receipt can hold another entity's `ExecutorCompleted`
-behind it across network packets.
-
-**Not established:** whether the combination is actually reachable in play — it
-needs a ≥96 m far-snap classification for an entity whose initial-create
-completion is still queued, and the far arm's refusal reasons are themselves
-narrow. Reported rather than fixed for exactly that reason.
-
-**Do NOT fix it by adding `PositionAuthorityVersion` to the guard.** That was
-the C5b reviewer's proposed shape and it is wrong: the merge bumps that version
-on every accepted Position including ones that move nothing, so the guard would
-decline receipts whose facts are still true, on the entity's FIRST
-world-visible moment — skipping the pose write and
-`RebucketLiveEntityPresentationOnly` while `TryPublishPlace` still publishes.
-The correct shape, if this is ever confirmed reachable, is to make the store
-arm advertise itself (a body-pose authority version, or routing the store
-through a commit-versioned seam) so the receipt can see it.
-
-**Superseded text, for the record.** The comment at the guard used to say only
-"A newer move superseded this receipt's facts after the drain." It now carries
-the full argument and cites this issue.
diff --git a/docs/README.md b/docs/README.md
index d8ab77b4..328d201e 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -82,10 +82,6 @@ document in the same change; do not leave both claims standing.
- [`superpowers/specs/`](superpowers/specs/) and
[`superpowers/plans/`](superpowers/plans/) are per-slice design and execution
records. Completed plans remain historical.
-- [`ci-and-releases.md`](ci-and-releases.md) is the SSOT for the Gitea CI
- pipeline, the self-hosted runners, and how alpha releases are published.
- Load-sensitive tests live in `Lane=Timing`; see
- [`release-gate.md`](release-gate.md) before adding to it.
- [`audit/`](audit/) contains completion and conformance audits.
- [`reference/ace-commands.md`](reference/ace-commands.md) preserves the local
ACE server's complete in-game command catalog and points to the authoritative
diff --git a/docs/architecture/acdream-architecture.md b/docs/architecture/acdream-architecture.md
index 184e26e4..4e892324 100644
--- a/docs/architecture/acdream-architecture.md
+++ b/docs/architecture/acdream-architecture.md
@@ -92,7 +92,7 @@ stack. Full history and the corrected contract live in
│ LayoutDesc/DAT → UiRoot retained widgets + controllers │
├─────────────────────────────────────────────────────────────┤
│ SHARED CONTRACTS │
-│ ViewModels, input actions, state/event and command seams │
+│ ViewModels, commands, input actions, state/event services │
│ ► one model and mutation path, one presentation projection │
├─────────────────────────────────────────────────────────────┤
│ Game state + events (unchanged) │
@@ -100,44 +100,27 @@ stack. Full history and the corrected contract live in
└─────────────────────────────────────────────────────────────┘
```
-`AcDream.UI.Abstractions` — the `IPanel`/`IPanelRenderer` contract and the
-ViewModels — **survives intact**. It was always
+`AcDream.UI.Abstractions` — the `IPanel`/`IPanelRenderer` contract, the
+ViewModels and the commands — **survives intact**. It was always
backend-agnostic, which is exactly what Code Structure Rule 3 was written to
protect, and it is what a future developer-panel host would bind to. Only the
ImGui *backend* was deleted. `ACDREAM_DEVTOOLS=1` still selects Vulkan's
debug-utils extensions and now logs that the developer UI is gone; replacing it
is issue **#258**, deliberately unscheduled.
-`AcDream.UI.Abstractions` owns backend-neutral ViewModels, input, and the
-`IPanel`/`IPanelRenderer` devtools contract. `AcDream.App/UI` owns the
+`AcDream.UI.Abstractions` owns backend-neutral ViewModels, commands, input,
+and the `IPanel`/`IPanelRenderer` devtools contract. `AcDream.App/UI` owns the
retained gameplay tree, LayoutDesc importer, window runtime, and panel
controllers. Neither presentation stack owns independent game-state truth.
-Chat submission follows the same rule: `AcDream.Runtime/Chat` owns the shared
-parser, retail command/channel/help catalogs, `ChatCommandRouter`, command bus,
-and its four backend-neutral records (`ExecuteClientCommandCmd`,
-`SendServerCommandCmd`, `SendChatCmd`, and `SendRawChannelCmd`). Its only
-presentation callback is the four-member `IChatCommandFeedback`; retained
-`ChatVM` implements that seam. Both App and Headless bind the same
-`LiveChatCommandRoute` to the active `WorldSession` send delegates and exact
-`RuntimeCommunicationState`/`RuntimeCharacterState` children. Panels never
-inspect or construct wire messages, and Runtime has no UI or App dependency.
-Configured login commands enter that identical parser/router only after the
-generation's `enteredWorld` edge, in order, once per generation. The shared
-generation-aware sequence cancels on replacement, applies the configured
-inter-command delay, and reports each isolated failure without aborting the
-session or plugin lifetime.
+Chat submission follows the same rule: both presentation stacks enter the
+shared `ChatCommandRouter`, which emits distinct backend-neutral intents for a
+retail client command (`ExecuteClientCommandCmd`), an ACE-owned command
+(`SendServerCommandCmd`), or ordinary chat (`SendChatCmd`). App-layer
+handlers and controllers translate those intents to `WorldSession`; panels
+never inspect or construct wire messages.
Plugins register retained gameplay markup through the BCL-only
`AcDream.Plugin.Abstractions.IUiRegistry`; they do not import App or
-presentation assemblies. `IPluginHost.HasUi` is the explicit capability edge:
-the graphical host supplies its retained registry, while no-window hosts
-return `false` and the BCL-only `NoOpUiRegistry`, which retains no plugin
-binding. Both hosts use Core's session-scoped discovery/lifetime orchestrator
-and the same config allow-list semantics (absent loads all; explicit empty
-loads none). The headless adapter projects entity snapshots on demand from the
-canonical Runtime view, subscribes to Runtime's ordered events, and borrows the
-exact Runtime selection owner; it does not mirror gameplay state.
-
-Core `SelectionState` is the sole selected-object owner for world,
+presentation assemblies. Core `SelectionState` is the sole selected-object owner for world,
radar, inventory, paperdoll, toolbar, use/examine consumers, and plugins;
`IPluginHost.Selection` exposes that same state and retail-style old/new callback.
Temporary pointer modes are separate App orchestration in `InteractionState` and
@@ -165,16 +148,6 @@ window registration, plugin mounts, cursor feedback, layout persistence, and the
retained tick/draw/restore/dispose paths. Panel-specific construction must not
move back into `GameWindow.OnLoad`.
-The graphical no-selector launch projects Runtime's sole
-`RuntimeCharacterSelectionState` through the retained character-management root
-resolved from DAT enum table 5 (`0x10000005` -> `0x21000004`, selected root
-`0x1000039A`). App borrows the view and routes generation-capturing typed
-commands; it owns no roster, highlight, operation, error, or lifecycle mirror.
-The authored screen is a flat ListBox and buttons, with the shared retail dialog
-catalog for confirmation, wait, and error presentation. It contains no viewport
-or character preview. Explicit-selector graphical launches and no-window hosts
-do not mount this presentation.
-
Magic follows the same boundary. Core `Spellbook` is the one learned/favorite/
desired/enchantment state projection; Core.Net owns exact manifest and live
message parsing; Runtime `RuntimeActionState.SpellCast` owns validated cast
@@ -201,9 +174,6 @@ parallel window-lifecycle map.
```
src/
AcDream.Core/ Layer 2-4: no Vulkan, no Silk.NET, pure logic
- Plugins/
- PluginSession.cs -> shared per-host allow-list, failure isolation,
- status outcome, and collectible ALC lifetime
Physics/
PhysicsBody.cs -> body state / integration foundation (done)
CollisionPrimitives.cs -> retail primitive helpers (partial, active)
@@ -249,29 +219,14 @@ src/
generation + teardown
Session/ -> J2 canonical session lifetime, ordered
inbound routing + retryable teardown
- RuntimeCharacterSelectionState.cs -> sole generation-scoped pre-world
- roster/highlight/delete/restore/error owner;
- borrowed view + ordered deltas + typed commands
Entities/
RuntimeEntityDirectory.cs -> sole GUID/incarnation/local-ID authority
RuntimeEntityRecord.cs -> presentation-free accepted entity state
RuntimeEntityObjectLifetime.cs -> one entity/object lifetime root
RuntimeEntityObjectEventStream.cs -> canonical ordered entity/object deltas
RuntimeEntityObjectViews.cs -> direct allocation-free borrowed views
- InboundPhysicsStateController.cs -> retail timestamp/snapshot authority,
- including gate-only dormant acceptance
- ParentAttachmentState.cs -> generation-exact parent relations plus raw
- missing-parent Create admission
- RuntimeInitialCreateAdmissionFreezer.cs -> immutable parser-payload copy
- boundary for dormant initial placement
- RuntimeInitialCreateResidenceState.cs -> exact-incarnation initial
- placement lease and accepted mixed-update FIFO
- RuntimeInitialCreateContinuationExecutor.cs -> retry-idempotent
- adoption + retail Create tail + strict-order
- FIFO/replay execution over the residence
- Chat/ -> LA6 parser/router/catalog and four command
- intents; shared live route + generation-scoped
- configured-login sequence for both hosts
+ InboundPhysicsStateController.cs -> retail timestamp/snapshot authority
+ ParentAttachmentState.cs -> generation-exact parent relations
Gameplay/
RuntimeCommunicationState.cs -> one chat/social owner + ordered stream
RuntimeInventoryState.cs -> exact object-table borrower + inventory
@@ -286,15 +241,6 @@ src/
Physics/
RuntimePhysicsState.cs -> per-session engine/cache/scratch/shadows,
collision receipts, bodies/hosts/worksets
- RuntimeCollisionReportingState.cs -> exact-key retail collision table,
- environment latch, ordered callbacks, and
- SetPosition report-result ownership
- RuntimeSetPositionState.cs -> exact placement/lost-cell operations,
- authored mover retention, ordered host
- receipts, and collision-generation wake
- RuntimePlacementProjectionChannel.cs -> generation-gated public host
- observation/retry/exact-ack seam over the
- one Runtime SetPosition receipt owner
RuntimeRemotePhysicsUpdater.cs -> presentation-free remote simulation
RuntimeOrdinaryPhysicsUpdater.cs -> presentation-free object simulation
RuntimeProjectile.cs -> canonical projectile component/prediction owner
@@ -302,83 +248,19 @@ src/
World/
RuntimeWorldEnvironmentState.cs -> canonical calendar/time/weather owner
RuntimeWorldTransitState.cs -> canonical reveal generation/readiness owner
+ Platform/
+ ApplicationPathSet.cs -> shared BCL-only XDG/Windows config, data,
+ cache, plugin, screenshot, and diagnostic paths
RuntimeGenerationReset.cs -> one retryable canonical-generation reset
-> Slice J complete; graphical and no-window hosts share one GameRuntime
- -> may reference Core, Core.Net, Content, Plugin.Abstractions, and
- Platform only
+ -> may reference Core, Core.Net, Content, and Plugin.Abstractions only
-> must never reference App, UI, Silk.NET, OpenAL, or Arch
- AcDream.Platform/ BCL-only portable path contract (Campaign LA LA0)
- ApplicationPathSet.cs -> shared XDG/Windows config, data, cache,
- plugin, screenshot, and diagnostic paths
- BakePublicationGuardPaths.cs
- -> shared launcher/Bake environment nonce and
- adjacent publication lock/token naming contract
- -> zero project/package references (guarded by
- tests/AcDream.Platform.Tests/PlatformDependencyBoundaryTests.cs);
- Runtime and App reference it directly; Headless reaches it
- transitively through Runtime (K0 guard: Headless declares exactly
- one project reference)
-
- AcDream.Launcher.Core/ BCL-only launcher state/orchestration owner
- Profiles/ -> sole credential/profile document + CRUD owner
- Launching/ -> config composition and supervised process seams;
- Windows console hosts are no-shell, redirected-
- stdin process-group leaders receiving targeted
- CTRL_BREAK, while Linux hosts receive SIGINT
- Status/ -> incremental host-status parsing/tailing
- Orchestration/ -> immutable UI snapshots, typed actions,
- capability gates, and running-session lifetime
- Installation/ -> portable four-DAT validation, Windows retail
- path discovery, versioned JSONL bake-process
- orchestration, and atomic SHA/size/tool-version
- install-record verification and recovery; one
- OS-handle lease serializes recovery/install per
- DataDirectory; a second OS-held publication
- lock plus durable per-transaction nonce makes
- late orphan Bake children irrevocably stale
- before recovery, while already-authorized
- promotion completes before recovery; only exact
- adjacent
- `..acdream-bake..tmp` files are
- transaction-owned crash residue
- Updates/ -> pinned GitHub manifest + strict SemVer/RID
- authority, bounded verified streaming download,
- hardened ZIP extraction, immutable
- `app//` installs, atomic `current.json`
- activation/rollback, and durable next-start
- launcher self-update journal; one OS-handle
- shared-session/exclusive-update barrier spans
- every launcher process
- -> references Platform only; no Avalonia or game-host dependency
-
- AcDream.Launcher/ Avalonia 12 Windows/Linux desktop shell
- Startup/Program -> one immutable process-local option graph before
- owner construction; config/data/cache require
- three absolute normalized roots and one exact
- `ApplicationPathSet` reaches profiles, installer,
- versions/updater, sessions, cache, orchestration
- -> manifest override reaches only update composition,
- is never persisted, and permits HTTP only for a
- loopback fixture; production remains pinned HTTPS
- ViewModels/ -> thin MVVM projection over Launcher.Core,
- including the first-run DAT/bake wizard and
- nonfatal startup/manual update state, actions,
- progress, cancellation, rollback, and errors
- -> references Launcher.Core only (Platform transitively); it never owns
- a second profile, process, status, or credential state graph
- -> every per-RID publish composes the separately published self-contained
- `acdream-bake` executable beside the launcher without a project edge
- -> Linux launcher/probe/headless flows remain portable; graphical-client
- actions are explicitly disabled until Modern Runtime Slice L resumes
-
AcDream.Headless/ Linux/Windows no-window production host
Program.cs -> CLI entry only
Configuration/ -> strict versioned process/session config
Credentials/ -> redacted env/stdin/owner-only-file providers
Hosting/ -> one GameRuntime/session/lease/policy lifetime
- Plugins/ -> no-window IPluginHost borrowing Runtime/Core;
- BCL no-op UI and per-session plugin lifetime
Policies/ -> typed Runtime-view/command consumers
-> references Runtime only; no presentation/backend package
-> Slice K complete: portable single/multi-session production host,
@@ -389,7 +271,6 @@ src/
AcDream.Plugin.Abstractions/ Layer 5: plugin interfaces
IAcDreamPlugin.cs -> done
IPluginHost.cs -> done
- IUiRegistry.cs -> capability-aware retained/no-op UI contract
IGameState.cs -> done
IEvents.cs -> done
ISelectionService.cs -> done
@@ -412,7 +293,9 @@ src/
RemotePhysicsUpdater.cs -> ordinary/Hidden remote narrow-tick integration
LiveEntityOrdinaryPhysicsUpdater.cs -> manager-less body Transition commits
RemoteInboundMotionDispatcher.cs -> animation-optional retail UM funnel
- RemoteTeleportHook.cs -> ordered retail teleport teardown seam (teleport_hook port; C4 route 4b-3 runs it from LiveEntityNetworkUpdateController's teleport arm dispatch, through RuntimeRemotePlacementDriveController)
+ RemoteTeleportController.cs -> incarnation-scoped loaded/pending placement owner
+ RemoteTeleportHook.cs -> ordered retail teleport teardown seam
+ RemoteTeleportPlacement.cs -> collision-seated SetPosition transition commit
World/
LiveEntityRuntime.cs -> exact-key App projection/lifecycle host
LiveEntityProjectionStore.cs -> materialized sidecars by RuntimeEntityKey
@@ -444,16 +327,8 @@ src/
PlayerMovementController.cs -> active movement driver
Plugins/
AppPluginHost.cs -> done
- GraphicalPluginSession.cs -> thin shared-session/root/status adapter
```
-The 4B2 production SetPosition routes and shared local-controller body remain
-dormant. Runtime now owns the exact collision table, environment latch, and
-report-result semantics needed by that cutover. Activation still waits for
-exact authored mover preparation, presentation-only rebucketing,
-placement-prefix quiescence, and an atomic Runtime body/controller publication
-transaction to land as one reviewed cutover.
-
---
## Movement And Collision Architecture
@@ -566,26 +441,30 @@ What exists and is active:
and every routed hook. A delete/local-ID reuse during capture or during an
earlier hook can never advance the displaced sequencer or send the old
owner's remaining sound, particle, or light hooks to its replacement.
-- **C4 route 4b-3 (2026-08-04) deleted `RemoteTeleportController` /
- `RemoteTeleportPlacement` / `RemoteShadowPlacementSynchronizer` outright** —
- 605 + 85 + 49 lines of App-layer incarnation-scoped placement machinery,
- replaced by routing the remote teleport/cell-less classification through
- the SAME canonical `RuntimeRemotePlacementDriveController` the far snap
- (C4 route 4b-2) already uses (`ApplyAcceptedRemoteTeleport`, sharing
- `StoresAcceptedDestination`/`StoreAcceptedDestinationPose`). `teleport_hook`
- (@0x00514ED0) still runs first, via `RemoteTeleportHook` invoked from
- `LiveEntityNetworkUpdateController`'s teleport-arm dispatch (both the
- player-guid and NPC-guid branches share one `RunRemoteArmTail` helper for
- the routing-decision/currency/constraint-arm sequence — see the C4 4b-3
- fix round, 2026-08-04, for why the two branches were unified there after
- independently drifting). There is no separate "loaded vs pending
- destination" placement path anymore: an unresolved destination collision
- generation retains a preparation-stage retry inside the SAME drive
- controller that far snap already retries through, not a second incarnation-
- scoped machine, and `_activePlacementOwners`'s Hidden/UnHide visibility-edge
- protection is gone with its only writer chain — the synchronous, single-
- frame teleport commit removes the multi-frame window that protection
- existed for.
+- `RemoteTeleportController` owns the placement half of a fresh remote
+ teleport after `RemoteTeleportHook` has torn down movement/target state. It
+ collision-seats loaded destinations through `RemoteTeleportPlacement`; an
+ unloaded destination retains one generation- and PositionSequence-scoped
+ pending placement and resolves the latest accepted frame when that same
+ projection becomes visible. It neither owns GUID identity nor reconstructs
+ an entity. A placement failure after hydration restores the captured source
+ frame/cell/contact rather than leaving a visible collisionless projection;
+ source-resident shadows restore immediately, while an unloaded source
+ delegates one incarnation-scoped restore to
+ `LiveEntityPresentationController`, shared with Hidden/UnHide. A newer
+ placement transfers that marker into an explicit active-placement generation
+ before rebucketing even while Hidden. That generation suppresses every
+ intervening Hidden/UnHide and projection restore until the controller reaches
+ a stable result, then it either restores after collision seating, re-defers
+ its rollback source, or hands a Hidden result back for UnHide. The typed
+ `ILiveEntityRemotePlacementRuntime` seam permits a same-incarnation wrapper
+ rebind only around the canonical body; pending placement adopts that wrapper
+ before hydration and cannot silently lose ownership. Clearing a motion or
+ projectile component retains the incarnation's body/contract identity until
+ logical teardown. The production wrapper exposes an immutable body, while
+ hydration defensively validates arbitrary implementations against the record
+ and rolls the retained body back on mismatch. Runtime binding snapshots the
+ interface Body getter once for validation, assignment, and state mutation.
`GpuWorldState`
rebuckets atomically and commits spatial visibility before draining its
transition FIFO; `LiveEntityRuntime` rejects delayed duplicate edges. A
@@ -606,60 +485,8 @@ What exists and is active:
collision assets loaded from the validated prepared package. Production
retains no parsed DAT collision graph; graph construction is restricted to
bake/equivalence tools and explicit test oracles.
-- Landblock collision activation is generation-owned by
- `RuntimePhysicsState`. Graphical and no-window hosts populate a private
- `PreparedLandblockCollisionGeneration` over bounded cursors; its cache,
- `CellGraph`, engine landblock, buildings, static shadows, and retained-owner
- refloods are never visible through the borrowed live engine. Retained owners
- comprise every non-suspended dynamic or adjacent-root static touching the
- target prefix (including a withdrawn repair marker); target-root statics come
- from the authored replacement. Runtime mutation-gates their exact capture,
- refreshes each through the host work meter, and builds every cache/graph/
- shadow replacement through one-work-unit seal cursors. Stable per-prefix
- owner slots replace the former registry-global mutation gate. One Runtime-
- scoped versioned journal coalesces repeated live mutations by owner instead
- of copying the owner into every draft on every event. Each draft reconciles
- only the latest exact state for owners changed during its lifetime, one owner
- per seal step, so unrelated or continuously moving owners cannot restart the
- target cursors. Once discovered, a relevant owner receives exact subscribed
- updates without restoring global fanout. First entry to or departure from a
- target after the global slot cursor has passed is routed through the owner's
- changed prefix to that one matching draft. During topology construction a
- visited unrelated owner receives only a cheap coalesced dirty notification;
- its exact mirror is deferred to one metered seal unit. Once the topology seal
- exists, observed owners temporarily write through exactly until activation,
- so the finite pre-seal queue drains even when several unrelated owners move
- continuously. Production activates in that same update-thread call. Slots older than a
- newer draft's captured root are superseded at the tail rather than reused
- behind live cursors; new drafts start at their captured suffix, obsolete
- slots compact incrementally, and the journal clears with the last draft.
- Empty prefix containers are reclaimed under GUID churn; seal cursors retain
- their captured slot lists.
- Cache, CellGraph, engine, and shadow topology share one complete off-side
- `CollisionWorldState`. Admission captures the current root reference in O(1)
- and materializes the non-target leaves through the same one-work-unit frame
- meter; a dense resident world is never cloned synchronously. After an older
- preparation commits, its exact landblock delta queues into every later draft
- and drains one cache, graph, landblock, or owner leaf per seal step. A later
- demotion or withdrawal cancels matching queued/active rebases and tombstones
- that prefix in unfinished source scans, then retires one owner/cache/graph/
- outdoor leaf per seal step from growable retirement storage. Commit rechecks
- both retirement and rebase state after sealing, so retired topology cannot
- return or cause a drafts-times-world-size update spike.
- The host immediately performs the zero-work root transfer in the same update-
- thread call that completes final reconciliation, so continuous unrelated
- movement cannot manufacture a required quiet frame between seal and commit.
- Deterministic preparation order prevents a later draft from exposing early,
- inheriting cancelled topology, or overwriting a committed prefix. Final activation is one
- zero-allocation volatile root transfer that preserves public facade identity,
- revokes staging, and then emits `CollisionGenerationCommitted`. Cancellation disposes only the named
- staging generation and never withdraws the previous active world. Thus
- readers see the complete old generation or complete new generation, never a
- mixed cell/cache/shadow world.
-- `ShadowObjectRegistry` gives movement a per-cell broadphase over nearby
- objects and buildings. Streaming reflood is structurally part of the Runtime
- collision-generation commit; there is no independent post-publication
- reflood suffix.
+- `ShadowObjectRegistry` gives movement a broadphase over nearby objects and
+ buildings.
- `TerrainSurface` uses triangle-aware terrain contact; older "bilinear terrain
Z" descriptions are historical B.3 language, not current architecture.
@@ -696,37 +523,6 @@ server-GUID/incarnation map, Runtime local-ID allocation/reverse lookup,
accepted snapshots and timestamp gates, parent state, session/operation
versions, and exact tombstones. `RuntimeEntityRecord` is presentation-free.
-Initial world placement has one deliberate dormant exception to ordinary
-snapshot publication. While an exact `RuntimeInitialCreateResidenceState`
-lease is waiting for its first canonical placement, retail timestamp gates may
-accept later same-incarnation Create, ObjDesc, Parent, Pickup, Position,
-Movement, State, and Vector packets, but neither the canonical record, public
-accepted snapshot, event stream, nor presentation changes. Runtime retains
-deep-frozen typed actions in one monotonic arrival-ordered FIFO under the exact
-entity key. A Create whose parent is not yet addressable is retained even
-earlier as a complete raw packet, before child timestamp admission, and is
-guarded by a non-reused admission token. Delete, generation replacement,
-reset, GUID reuse, and reentrant teardown discard only the matching ownership.
-The admission checkpoint (`30012361`) intentionally stopped before executing
-the FIFO. The continuation executor (`5db3de3c`,
-`RuntimeInitialCreateContinuationExecutor`) completes the mechanism: one
-synchronous, retry-idempotent `Execute` transaction adopts the acknowledged
-initial placement exactly once, emits the local player's after-enter-world
-hook request, replays deferred missing-parent raw Creates and queued parent
-relations by parent GUID (whole-bucket detach, FIFO dispatch,
-cancellation-aware restore windows), and drains the mixed FIFO strictly by
-sequence — classifying each retained Position at execution time with live
-inputs and driving authored placements through the canonical
-`RuntimeSetPositionState` lifecycle with retryable yields. Apply bodies are
-shared with the legacy fused inbound paths through gate-less instance seams
-that keep the one snapshot store in lockstep; same-incarnation Create
-envelopes apply atomically with buffered publication; every abandonment path
-retires the residence and converges the combined ownership ledger. The
-executor has NO production caller yet — graphical and no-window Create still
-use legacy `RegisterEntity` — and the next checkpoint must switch both
-production routes onto this owner rather than create another snapshot or
-placement path.
-
`LiveEntityRuntime` is the App projection/lifecycle host.
`RegisterLiveEntity` first creates or refreshes canonical Runtime state without
an App record. `MaterializeLiveEntity` claims the Runtime local ID and creates
diff --git a/docs/architecture/code-structure.md b/docs/architecture/code-structure.md
index e92876b8..f0f3dad0 100644
--- a/docs/architecture/code-structure.md
+++ b/docs/architecture/code-structure.md
@@ -120,14 +120,6 @@ ViewModel or command had to change, because none of them had ever imported
writes against `IPanelRenderer`; a renderer implementation translates those
calls at runtime. Plugin-facing UI follows the same rule.
-The shared chat parser/router/catalog and its four command intents live in
-`AcDream.Runtime/Chat`, not in a panel or App. `AcDream.UI.Abstractions`
-references Runtime so retained `ChatVM` can implement the narrow
-`IChatCommandFeedback` seam and its existing panel input can call the shared
-router. That dependency does not permit panels to import App, windowing,
-rendering, audio, or another presentation backend; Runtime itself remains
-presentation-independent and its dependency guards enforce that boundary.
-
**Status:** there is currently no `IPanelRenderer` implementation in the tree —
the ImGui one went with V11 and the replacement is issue **#258**. The contract
is kept rather than deleted precisely because this rule proved its worth; a new
@@ -216,12 +208,8 @@ documentation, not an exhaustive allowlist):
- `DevToolsFramePresenter -> DevToolsPanelSet -> panel/ViewModel bindings` for
the optional developer UI.
- `WorldRenderFrameBuilder -> RuntimeWorldFrameSettingsPreview ->
- IRuntimeSettingsPreviewSource -> RuntimeSettingsController` for the settings
- snapshot read before world drawing. (The `SettingsVM` draft-preview tail of
- this seam was retired at Campaign OP slice OP9 — the preview source now
- mirrors the committed Display/Audio snapshot directly; the retail Options
- panel applies its edits live through `SaveDisplay`/`SaveAudio` instead of a
- draft layer.)
+ IRuntimeSettingsPreviewSource -> RuntimeSettingsController -> optional
+ SettingsVM` for the live settings draft preview applied before world drawing.
- `LocalPlayerPortalViewport -> LocalPlayerTeleportController ->
GameplayInputFrameController -> InputDispatcher.Fired -> GameWindow` for the
canonical portal/input lifetime and the host's input-action subscription.
@@ -274,7 +262,9 @@ src/AcDream.App/
│ ├── DeferredLiveEntityMotionRuntimeBindings.cs # fail-fast construction-order bridge
│ ├── LiveEntityShadowPublisher.cs # authoritative exact-owner/residency collision gate
│ ├── RemoteInboundMotionDispatcher.cs # shared animated/headless UpdateMotion funnel
-│ └── RemoteTeleportHook.cs # ordered retail teleport teardown actions (teleport_hook port; C4 4b-3 deleted RemoteTeleportController/RemoteTeleportPlacement/RemoteShadowPlacementSynchronizer — the teleport arm now routes through RuntimeRemotePlacementDriveController, the same canonical placement owner the far snap uses)
+│ ├── RemoteTeleportController.cs # loaded/pending teleport placement ownership
+│ ├── RemoteTeleportHook.cs # ordered retail teleport teardown actions
+│ └── RemoteTeleportPlacement.cs # collision-seated SetPosition transition commit
├── World/
│ ├── InboundPhysicsStateController.cs # timestamps + accepted spawn snapshots
│ ├── LiveEntityRuntime.cs # shipped: logical lifetime + ServerGuid↔entity.Id translation
@@ -427,19 +417,28 @@ radar/status targeting, effects, and audio remain closed until reveal. This
distinction is part of the Slice E connected gate, not an alternate live-entity
lifetime.
-**C4 route 4b-3 (2026-08-04) deleted `Physics/RemoteTeleportController` and
-`RemoteTeleportPlacement` outright** (605 + 85 lines, plus
-`RemoteShadowPlacementSynchronizer`, 49 lines). Remote teleport placement is
-no longer a separate App-layer incarnation-scoped machine — it is the SAME
-canonical `RuntimeRemotePlacementDriveController` route 4b-2's far snap
-already uses, dispatched via `ApplyAcceptedRemoteTeleport`, which shares
-`StoresAcceptedDestination`/`StoreAcceptedDestinationPose` unchanged.
-`teleport_hook` (@0x00514ED0) still runs first — `RemoteTeleportHook`,
-invoked from `LiveEntityNetworkUpdateController`'s teleport-arm dispatch —
-and its `report_collision_end(this, 1)` action now routes through
-`RuntimeCollisionReportingState.LeaveWorld` (the existing, exact port of
-that retail call) rather than `ShadowObjectRegistry.Suspend`, which ports a
-DIFFERENT retail function `teleport_hook` never calls. `GpuWorldState`
+Remote teleport placement is bounded in `Physics/RemoteTeleportController`,
+not `GameWindow`: it retains at most one pending request per materialized
+incarnation, scopes it by the live generation and accepted PositionSequence,
+and asks `RemoteTeleportPlacement` to collision-seat the current body when the
+destination projection is available. `GameWindow` supplies lifecycle and
+shadow-sync callbacks only; canonical identity remains in
+`RuntimeEntityDirectory`, and App placement retains the exact projection key.
+Failed hydration restores the captured source and delegates an
+incarnation-scoped shadow restore to `LiveEntityPresentationController` while
+that source is unloaded, so Hidden/UnHide and teleport never become competing
+restore owners. A newer placement transfers that restore into an explicit
+generation-scoped active-placement state before its rebucket visibility edge
+even while Hidden. All intervening Hidden/UnHide and projection edges defer to
+that owner until stable success or rollback completes; only then can it restore,
+re-defer the source, or hand a Hidden result back for UnHide. The
+`ILiveEntityRemotePlacementRuntime` seam keeps the complete cell/contact
+handoff available across same-body runtime-wrapper replacement; replacing the
+canonical body or dropping the placement contract within one incarnation is
+rejected even after an operational component clear. `RemoteMotion.Body` is
+constructor-owned; hydration compares pending/current wrappers directly to the
+record body rather than trusting wrapper-to-wrapper equality. Binding reads an
+interface Body getter once and reuses that snapshot. `GpuWorldState`
performs remove+place as one spatial rebucket,
then commits and serially drains visibility edges; `LiveEntityRuntime` filters
delayed duplicates. A rollback inside an observer cannot race the outer
@@ -475,7 +474,7 @@ useful ordering seam, but its ownership status is **partial**.
| Area | Status | Current truth |
|---|---|---|
| Startup options | **Complete** | `RuntimeOptions` owns startup configuration (`eda936dc`). Remaining direct environment reads are legacy runtime diagnostics, not startup configuration. |
-| Network session | **Complete Runtime ownership** | `LiveSessionController` owns the sole `WorldSession` generation and resolve/create/Connect/pre-world selection/EnterWorld/Tick/stop/reconnect/disposal transaction. Its `RuntimeCharacterSelectionState` owns the full active roster (including greyed entries and retained wire slots), highlight, delete confirmation, restore/delete/error state, generation/lifecycle, borrowed view, ordered deltas, and typed commands. A selector-free graphical launch pauses on that owner; explicit and headless selection retain the established fallback. Runtime route owners preserve exact inbound/outbound ordering and retryable teardown. App supplies immutable options, graphical/domain callbacks, and borrowed projections—no mirrored session, selection state, or reset plan. |
+| Network session | **Complete Runtime ownership** | `RuntimeLiveSessionController` owns the sole `WorldSession` generation and resolve/create/Connect/selection/EnterWorld/Tick/stop/reconnect/disposal transaction. Runtime route owners preserve exact inbound/outbound ordering and retryable teardown. App supplies immutable options, graphical/domain callbacks, and one borrowed inertable UI command projection—no mirrored session or reset plan (`75930787`). |
| World environment | **J6.1 complete Runtime ownership** | `RuntimeWorldEnvironmentState` owns the instance-scoped Dereth calendar, synchronized clock, weather progression/state, selected day group, AdminEnvirons state, and typed debug overrides. App converts immutable DAT sky definitions once and projects the borrowed Runtime snapshot into rendering; no process-global Region origin or second App clock/weather owner remains (`902076c0`). TS-54/TS-55 register the remaining centered UI sound and full fog/ambient/radar behavior gaps. |
| Live identity/lifetime | **J3 complete** | `RuntimeEntityObjectLifetime` owns the sole `RuntimeEntityDirectory`, live `ClientObjectTable`, direct views, and ordered entity/object stream. The directory owns canonical GUID/incarnation/local-ID identity, accepted snapshots/timestamps, parent state, operation versions, and tombstones. `LiveEntityProjectionStore` owns App graphical sidecars by exact `RuntimeEntityKey`; hydration, presentation components, `GpuWorldState` residence/visibility, and retryable teardown preserve that key without another authority. Exact receipts precede fallible callbacks, re-entrant commits drain synchronously in sequence, and stable reset/disposal must converge the complete ledger to zero (`f46ddb5c`, `420e5eea`, `e937cc36`, `5ef8b537`, `ce3ac310`, `119b7c11`). |
| Inbound/object-frame order | **Complete App orchestration** | `UpdateFrameOrchestrator` owns the complete typed host phase graph; `RetailInboundEventDispatcher`, `RetailLiveFrameCoordinator`, `LiveObjectFrameController`, `LiveSpatialPresentationReconciler`, streaming/input/teleport/player-mode/camera owners preserve the accepted order. `GameWindow.OnUpdate` is one profiler-scoped handoff (`e91f3102`). |
diff --git a/docs/architecture/retail-divergence-register.md b/docs/architecture/retail-divergence-register.md
index 83fc2af5..3bf18d91 100644
--- a/docs/architecture/retail-divergence-register.md
+++ b/docs/architecture/retail-divergence-register.md
@@ -1,4 +1,4 @@
-# Retail Divergence Register — current through 2026-07-31
+# Retail Divergence Register — current through 2026-07-27
**What this is.** The single auditable register of every known place acdream's
runtime behavior can deviate from the retail client (Sept 2013 EoR build,
@@ -37,7 +37,7 @@ accepted-divergence entries (#96, #49, #50).
---
-## 1. Intentional architecture (IA) — 20 active rows (IA-23 filed 2026-08-17 at the night-round review fix round (F8) — the House tab's not-yet-expired purchase-restriction line renders .NET's culture-default `DateTime.ToString()` where retail renders the C runtime's `strftime("%c", localtime(...))`, a different formatting engine producing a different-shaped (but equivalent-intent) date string; IA-22 filed 2026-08-13 — the #391 user-directed modern-only curated resolution list + desktop-mode default, replacing retail's full adapter enumeration + authored 800x600 default)
+## 1. Intentional architecture (IA) — 18 active rows
| # | Divergence | Where (file:line) | Why it is safe / justified | Risk if assumption breaks | Retail oracle |
|---|---|---|---|---|---|
@@ -53,84 +53,33 @@ accepted-divergence entries (#96, #49, #50).
| IA-12 | UI toolkit mirrors retail behavior from research docs, not a byte-port — keystone.dll is outside decomp coverage; observed constants embedded (drag 3 px, tooltip 1000 ms). Synthetic wrapper borders/whole-window drag regions use the exact DAT Type-2/Type-9 control cursors. `gmPanelUI` children are independently imported retained frames rather than one physical parent, but `RetailPanelUiController` owns their one canonical geometry and exclusive child lifecycle | `src/AcDream.App/UI/README.md:3`; `src/AcDream.App/UI/CursorFeedbackController.cs`; `src/AcDream.App/UI/Layout/RetailPanelUiController.cs` | keystone.dll has no PDB/decomp; semantics are reconstructed from retail UI deep-dives, named client methods, and production LayoutDesc media. Separate child wrappers preserve each LayoutDesc's content tree while typed move/resize synchronization gives all registered toolbar/detail children the same persistent parent rectangle | Edge-case low-level input semantics can differ silently even though outer geometry, visibility, and restore-previous ownership match | `UIElementManager::CheckCursor` 0x0045ABF0; `UIElement_Resizebar::StartMouseResizing` 0x0046B7E0; `UIElement_Dragbar::StartMouseMoving` 0x0046C760; `gmPanelUI::SetupChildren` 0x004BC9E0; docs/research/retail-ui/04-input-events.md |
| IA-13 | GameEventType registry deliberately omits event types retail ignores; unknown events fall through unhandled | `src/AcDream.Core.Net/Messages/GameEventType.cs:11` | Retail also ignores them — dropping matches retail by construction | If the "retail ignores X" judgment is wrong for any opcode (or a server mod uses one), the event is silently dropped with no diagnostic pointing at the omission | retail GameEvent dispatch (ignored-event set) |
| IA-14 | Rendering + dat-handling base is WorldBuilder's tested port, not a fresh retail-decomp port (Phase N.4/O design stance) | `docs/architecture/worldbuilder-inventory.md` (code at `src/AcDream.{Core,App}/Rendering/Wb/`) | WB visually verified on the AC world, MIT, same stack; known WB↔retail deltas resolved case-by-case — terrain split kept retail `FSplitNESW` (**#51**, pinned by `SplitFormulaDivergenceTest`), scenery drift accepted (AP-31) | A WB-upstream divergence not yet caught ships silently as "our" behavior; guard = the inventory doc's 🟢/🔴 split + per-formula divergence tests | retail decomp per algorithm; `tests/.../SplitFormulaDivergenceTest.cs` |
-| IA-15 | D.2b gameplay UI is our own `UiHost`/`UiRoot` retained tree, not a byte-port of Keystone. `RetailUiRuntime` owns the production import/mount graph; `RetailWindowManager`/typed handles centralize registry, raise, focus/capture cleanup, lifecycle events, reverse-order grouped controller teardown, removable Silk input subscriptions, schema-v2 per-character/per-resolution automatic layouts with per-window authored-geometry revisions, and portable named `saveui/loadui` profiles; `RetailWindowFrame` is the single production/Studio mount contract for imported-chrome and shared-wrapper windows. Production LayoutDesc imports include vitals `0x2100006C` plus the side-by-side vitals row `0x21000075` (the vitals retail-modes round, 2026-08-17 — visibility swapped on the SideBySideVitals option by `VitalsSideBySideController`, retail `@0x004E9DA0`), chat `0x2100006F` (Campaign CH slice CH6a corrected this from the previously-imported, unrelated `0x21000006`), toolbar `0x21000016`, character `0x2100002E`, inventory `0x21000023` plus mounted `0x21000024/22/21`, dialog catalog `0x2100003C`, radar `0x21000074`, and external container `0x21000008` (shared bevel plus a user-directed compact 700-pixel initial content width instead of its authored 800-pixel root). The dialog context/queue/callback lifecycle is now a named-client port; only its retained rendering remains under this Keystone adaptation. | `src/AcDream.App/UI/RetailUiRuntime.cs`; `src/AcDream.App/UI/RetailWindowManager.cs`; `src/AcDream.App/UI/RetainedPanelControllerGroup.cs`; `src/AcDream.App/UI/UiHost.cs`; `src/AcDream.App/UI/RetailWindowLayoutPersistence.cs`; `src/AcDream.App/UI/Layout/RetailWindowFrame.cs`; `src/AcDream.App/UI/Layout/RetailDialogFactory.cs`; `src/AcDream.App/UI/Layout/RetailConfirmationDialogView.cs`; `src/AcDream.App/UI/Layout/ExternalContainerController.cs`; `src/AcDream.App/UI/Layout/LayoutImporter.cs`; binding supply in `GameWindow.cs` | Keystone has no matching PDB/decomp, so we preserve its observable ElementDesc/state/input behavior from DAT, named client call sites, and live evidence while using modern retained ownership. Real RenderSurfaces and imported element geometry remain the visual oracle; the external strip's initial width follows the connected visual direction and remains horizontally resizable to its authored extent or the viewport edge. | Persistence and low-level widget rendering are behaviorally reconstructed from retail semantics rather than a Keystone byte-port; lifecycle edge cases remain constrained by conformance tests. The external strip opens 100 pixels narrower than the raw LayoutDesc before user/persistence resizing. | Production LayoutDesc objects; `DialogFactory @ 0x004773C0..0x00478470`; `gmExternalContainerUI @ 0x004CBAD0..0x004CBFE0`; `docs/research/2026-07-13-retail-dialog-factory-pseudocode.md`; Keystone behavior notes in `docs/research/retail-ui/` |
+| IA-15 | D.2b gameplay UI is our own `UiHost`/`UiRoot` retained tree, not a byte-port of Keystone. `RetailUiRuntime` owns the production import/mount graph; `RetailWindowManager`/typed handles centralize registry, raise, focus/capture cleanup, lifecycle events, reverse-order grouped controller teardown, removable Silk input subscriptions, schema-v2 per-character/per-resolution automatic layouts with per-window authored-geometry revisions, and portable named `saveui/loadui` profiles; `RetailWindowFrame` is the single production/Studio mount contract for imported-chrome and shared-wrapper windows. Production LayoutDesc imports include vitals `0x2100006C`, chat `0x21000006`, toolbar `0x21000016`, character `0x2100002E`, inventory `0x21000023` plus mounted `0x21000024/22/21`, dialog catalog `0x2100003C`, radar `0x21000074`, and external container `0x21000008` (shared bevel plus a user-directed compact 700-pixel initial content width instead of its authored 800-pixel root). The dialog context/queue/callback lifecycle is now a named-client port; only its retained rendering remains under this Keystone adaptation. | `src/AcDream.App/UI/RetailUiRuntime.cs`; `src/AcDream.App/UI/RetailWindowManager.cs`; `src/AcDream.App/UI/RetainedPanelControllerGroup.cs`; `src/AcDream.App/UI/UiHost.cs`; `src/AcDream.App/UI/RetailWindowLayoutPersistence.cs`; `src/AcDream.App/UI/Layout/RetailWindowFrame.cs`; `src/AcDream.App/UI/Layout/RetailDialogFactory.cs`; `src/AcDream.App/UI/Layout/RetailConfirmationDialogView.cs`; `src/AcDream.App/UI/Layout/ExternalContainerController.cs`; `src/AcDream.App/UI/Layout/LayoutImporter.cs`; binding supply in `GameWindow.cs` | Keystone has no matching PDB/decomp, so we preserve its observable ElementDesc/state/input behavior from DAT, named client call sites, and live evidence while using modern retained ownership. Real RenderSurfaces and imported element geometry remain the visual oracle; the external strip's initial width follows the connected visual direction and remains horizontally resizable to its authored extent or the viewport edge. | Persistence and low-level widget rendering are behaviorally reconstructed from retail semantics rather than a Keystone byte-port; lifecycle edge cases remain constrained by conformance tests. The external strip opens 100 pixels narrower than the raw LayoutDesc before user/persistence resizing. | Production LayoutDesc objects; `DialogFactory @ 0x004773C0..0x00478470`; `gmExternalContainerUI @ 0x004CBAD0..0x004CBFE0`; `docs/research/2026-07-13-retail-dialog-factory-pseudocode.md`; Keystone behavior notes in `docs/research/retail-ui/` |
| IA-17 | Toolbar chrome is toolkit-supplied through the central `RetailWindowFrame` mount (`UiCollapsibleFrame` 8-piece bevel) because LayoutDesc `0x21000016` carries no baked frame. It also supports a toolkit-defined collapse-to-one-row (bottom-edge resize snapping between a row-1-only and a two-row height, row-2 visibility tied to the stop) — retail's real collapse is keystone.dll (no decomp) and the DAT stacks both rows always. | `src/AcDream.App/UI/Layout/RetailWindowFrame.cs`; `src/AcDream.App/UI/UiCollapsibleFrame.cs`; toolbar policy in `GameWindow.cs`; spec: `docs/superpowers/specs/2026-06-20-d2b-toolbar-collapse-design.md` | The central mount now owns wrapper geometry/registration uniformly; border-over-content prevents the row-2 right cap from poking through | The collapse stops remain a toolkit reconstruction rather than a byte-port of Keystone behavior | gmToolbarUI WM chrome (keystone.dll, no PDB); no bevel ids in LayoutDesc 0x21000016 (toolbar dump) |
| IA-18 | Effect overlay tile (enum 0x10000005) is a `ReplaceColor` SURFACE SOURCE — pure-white pixels in the composited drag icon are replaced PER-PIXEL with the same (x,y) pixel of the effect tile (the SURFACE overload `SurfaceWindow::ReplaceColor` 0x004415b0), preserving the tile's texture/gradient; the tile itself is NOT blitted as an additional layer. This IS faithful retail behavior. **Anti-regression: do NOT re-implement this as a blit layer NOR as a flat-color replace (it is a per-pixel surface copy).** | `src/AcDream.App/UI/IconComposer.cs` (`ReplaceWhiteFromSurface`) | Faithful port of `IconData::RenderIcons` @407614 → the SURFACE overload `ReplaceColor` 0x004415b0 (`dst[x,y]=src[x,y]` where `dst==white`); confirmed via clean Ghidra decompile + named decomp + visual (the Energy Crystal's blue is a gradient, 2026-06-17). | A blit-layer or flat-color re-implementation would show the wrong effect look (no gradient) — the visual-verification regression that retired the mean-color approximation | `IconData::RenderIcons` acclient_2013_pseudo_c.txt:407524; `ReplaceColor` SURFACE overload 0x004415b0:71656; `docs/research/2026-06-17-stateful-icon-RESOLVED.md` |
-| IA-19 | Automatic combat acquisition is narrowed to attackable non-player monsters. Retail `AutoTarget` falls back to `SelectNext(SELECTION_TYPE_COMPASS_ITEM)`, whose combat filter can also admit attackable enemy players in compatible PK states. | `src/AcDream.Core/Combat/CombatTargetPolicy.cs`; consumers `src/AcDream.App/Interaction/WorldSelectionQuery.cs` (`IsHostileMonster`/`FindClosestHostileMonster`) and `SelectionInteractionController.cs` (`SelectClosestCombatTarget`). This row is auto-acquisition-only: as of #298, explicit-target admission and the combat camera route through the separate, retail-exact `WorldSelectionQuery.IsAttackableTarget` (`ObjectIsAttackable`-backed) instead, so a compatible-PK player is a valid manual attack/camera target — do not assume one predicate still serves both concerns. | Explicit product direction: Auto Target must never select NPCs, players, pets, or other objects; manual player-selection commands remain available | In PK play, Auto Target will not acquire an otherwise valid hostile player as retail would; the player must be selected manually | `ClientCombatSystem::AutoTarget @ 0x0056BC80`; `CPlayerSystem::SelectNext @ 0x0055F9A0`; `ClientCombatSystem::ObjectIsAttackable @ 0x0056A600` |
+| IA-19 | Automatic combat acquisition is narrowed to attackable non-player monsters. Retail `AutoTarget` falls back to `SelectNext(SELECTION_TYPE_COMPASS_ITEM)`, whose combat filter can also admit attackable enemy players in compatible PK states. | `src/AcDream.Core/Combat/CombatTargetPolicy.cs`; consumers `src/AcDream.App/Interaction/WorldSelectionQuery.cs` (`IsHostileMonster`/`FindClosestHostileMonster`) and `SelectionInteractionController.cs` (`SelectClosestCombatTarget`) | Explicit product direction: Auto Target must never select NPCs, players, pets, or other objects; manual player-selection commands remain available | In PK play, Auto Target will not acquire an otherwise valid hostile player as retail would; the player must be selected manually | `ClientCombatSystem::AutoTarget @ 0x0056BC80`; `CPlayerSystem::SelectNext @ 0x0055F9A0`; `ClientCombatSystem::ObjectIsAttackable @ 0x0056A600` |
| IA-20 | The basic combat bar keeps dark-red media `0x0600715E` visible as the centered middle baseline. Retail skill-gates field `0x100005EF` to trained Recklessness; the separate bright child remains faithful live `SetPowerbarLevel` feedback from the absolute left edge. | `src/AcDream.App/UI/UiScrollbar.cs`; child-policy extraction in `src/AcDream.App/UI/Layout/DatWidgetFactory.cs` | Explicit connected visual direction: the dark middle track remains present behind live attack charge; the exact skill-gated treatment remains tracked by AP-112 | Untrained characters retain the dark-red baseline where retail may leave only the gray track; trained/untrained Recklessness presentation is not distinguishable | `gmCombatUI::RecvNotice_SetPowerbarLevel @ 0x004CC0E0`; `gmCombatUI::ListenToElementMessage @ 0x004CC430`; LayoutDesc `0x21000073` |
| IA-21 | When ACE sends player BoolProperty `68` (`SpellComponentsRequired`) false, acdream presents the retail scarab/prismatic-taper formula even without a directly carried school focus. With component enforcement enabled, retail's exact focus/infusion versus account-customized selection remains intact. | `src/AcDream.App/Spells/SpellComponentRequirementService.cs` | A component-disabled server has no actionable legacy recipe; explicit product direction is that this client/server mode uses the modern scarab/taper component presentation | A custom server could expect retail's legacy recipe to remain visible even though casting consumes no components | `ClientMagicSystem::AreSpellComponentsRequired @ 0x00567B90`; `ClientMagicSystem::GetAppropriateSpellFormula @ 0x00567D50`; `CSpellBase::InqScarabOnlyFormula @ 0x00597050` |
-| IA-22 | **Filed 2026-08-13 (#391, user-directed: "we should only support modern resolutions. Not any old format").** The Config Resolution dropdown offers a CURATED list — the monitor's real mode enumeration filtered to modern widescreen families (16:9/16:10/21:9/32:9, ≥1280 wide, fitting the desktop; `DisplayModeCatalog.Curate`) — and its Defaults value is the desktop's own mode. Retail offered the adapter's complete enumeration including 4:3 legacy modes and authored `800x600` as the row default (`gmConfigUI::InitOptions SetDefaultValue(0x03200258)`; `gmClient::Init @0x004047af` `Device::ForceDisplayResolution(1, 0x320, 0x258)`). | `src/AcDream.App/Rendering/DisplayModeCatalog.cs`; `src/AcDream.App/UI/Layout/ConfigOptionsPageController.cs` (Resolution row); fixture fallback `src/AcDream.UI.Abstractions/Panels/Settings/DisplaySettings.cs` (`AvailableResolutions`, 800x600 removed) | Explicit product direction. **Amended 2026-08-16 (#407, Campaign CC gate round 1):** the dropdown now offers `DisplayModeCatalog.WindowedResolutions` — the curated hardware modes UNIONed with the static modern-ladder sizes that fit the desktop — because a WINDOWED pick is a plain Size write needing no video mode, and remote/RDP virtual displays advertise almost no modes (the live RDP display exposed only 1920x1080 + the 2056x1290 desktop, starving the dropdown). The original "an offered mode is supported by construction" invariant now holds for the FULLSCREEN half only: the fullscreen apply still validates against the hardware `Resolutions` list plus `GlfwDisplayModeSwitcher`'s monitor-mode-list hard guard, so a fullscreen pick of a windowed-only entry refuses safely (log-and-stay, #388; the #392 apply-result seam is that family's open follow-up) — "Graphics mode not supported" crashes remain unreachable from the dropdown. | A user wanting a genuine legacy 4:3 mode cannot pick it; retail-parity comparisons of the Config tab's list/default will show the deviation. | decomp sites in the Divergence column; ISSUES #391 |
-| IA-23 | **Filed 2026-08-17 at the night-round review fix round (F8).** `gmHouseUI::DisplayPurchaseTimeText @0x004a3110`'s not-yet-expired branch renders `"You may buy another landscape house at " + strftime("%c", localtime(timestamp + 0x278d00)) + ". This restriction does not apply to apartments."` — byte-decoded from raw pushed literals at `@0x004a3265`/`@0x004a321d`/`@0x004a3235` (all three text pieces confirmed; a prior filing had wrongly called this "unrecoverable"). This port renders the SAME three pieces, in the same order, with the same expiry-timestamp math, but formats the middle date/time piece with .NET's culture-default `DateTime.ToString()` (no explicit format string) rather than the C runtime's `strftime("%c", ...)` — the two engines do not share a format table, so the RENDERED SHAPE of the date/time differs (e.g. .NET's short numeric date+time vs the CRT's `Ddd Mon DD HH:MM:SS YYYY`-style locale string) even though both express "the process's own locale's full date+time" and use the SAME underlying instant (local time, matching retail's `localtime()`). | `src/AcDream.Runtime/Gameplay/RuntimeHouseState.cs` (`Recompute`'s not-expired branch) | Both are "whatever the process locale says" full date+time strings; no game-logic reads or parses this text back, it is pure chat-scroll presentation, so a differently-shaped (but equally legible) date string carries no functional risk | A retail-side-by-side visual comparison will show a differently formatted date/time (not a byte-identical `strftime("%c")` reproduction) — cosmetic only | `gmHouseUI::DisplayPurchaseTimeText @0x004a3110`; `strftime`/`localtime` CRT calls at `@0x004a322c`/`@0x004a3216` |
---
-## 2. Adaptation (AD) — 85 active rows (AD-110 filed 2026-08-17 at the entry/exit presentation round — the in-world logoff's single confirmed-echo handoff edge versus retail's two independent ExecuteLogOff/CharacterList edges, and the Tunnel-hold tail; AD-74 RETIRED 2026-08-17 at the same round — the Exit to Character Selection "behaves as Exit Game" adaptation is deleted: the confirmed grounded exit now runs the REAL retail flow (0xF653 request, server LogOut motion, 3 s hold, reverse wormhole, return to the live-connection character-select screen via LiveSessionController.CompleteCharacterLogOff), and the previously-missing indicator-bar grounded gate now runs retail's shared three-way branch; AD-109 filed 2026-08-17 at the entry/exit presentation round — the click-armed login tunnel: the wormhole presentation + enter cue now begin at the character-select Enter click instead of retail's black CreatePlayer wait, USER-DIRECTED; AD-108 filed 2026-08-17 at the night-round review fix round (F9), mechanism REPLACED same day at the overnight round's final fix — the Map tab's player/house icons, swallowed as `UiButton` dat children by `m_pMap`'s own Type-1 authoring, are now found in the panel-slot resolve's own info tree and rebuilt via `MapPageController.Bindings.IconBuilder` (the original standalone re-import resolved nothing on the live DAT); AD-107 RETIRED 2026-08-17 at the night-round review fix round (F2) — HouseQuery now fires once at the canonical local-player first-placement-completion edge (the same "initial session bootstrap" moment `GameActionLoginComplete`'s non-portal send sites already use), matching the byte-decoded retail truth that `CM_House::Event_QueryHouse @0x006aaa00` is tail-called, unconditionally, from the END of `CPlayerSystem::InitializePlayer @0x00563570` — the ONE-TIME-per-session function `AttemptSendLoginCompleteNotification` also lives in, guarded by the same `player_initialized` flag — right after that notification, not from any tab-open UI event; the invented tab-open trigger this row described is deleted outright, not merely narrowed; AD-106 filed 2026-08-16 at #409 (client-wide retail tooltip system) — RetailTooltipPresenter mounts the popup as an ordinary UiRoot sibling and keeps it topmost via its own per-tick BringToFront, scheduled after both RetailDialogFactory.Tick and Host.Tick, rather than porting retail's separate always-on-top presentation layer (m_pTooltipElement) — same adaptation shape AP-229 already accepted for dialogs-vs-screens, extended one layer further; AD-105 filed 2026-08-16 at Campaign CC gate round 1 re-test 3, finding R4-3 — the Skills info-box description-pane Height clamp to the SIBLING gold frame's own authored bottom edge, since retail's `ShowSkillsText` has no code relationship between the pane and the frame to cite directly. AD-104 filed 2026-08-16 at Campaign CC gate round 1 re-test 2, finding R3-3 — the Skills info-box title/description VerticalJustify page-scoped override, ISSUES.md #410 tracks the shared client-wide VJustify-default fix this compensates for. F12 correction, Campaign CC gate round 1 closeout, 2026-08-16: this header undercounted by 2 — a direct count of the physical `| AD-` rows below found 79, not the 77 this header carried; corrected to the counted total, matching AP-213's own row-count reconciliation the same closeout. AD-103 RETIRED 2026-08-16 at the Campaign CC gate round 1 Batch C fix (GF-4a) — the swallowed Type-12 value child (`0x100002f1`/`0x100002f3` under the avail/health/stamina/mana/credits badge buttons) is now surfaced as its OWN addressable `UiButton.ValueLabel`/`ValueBox`/`ValueFont`/`ValueColor` slot, built from the child's OWN authored rect/font/color (`DatWidgetFactory.BuildButton`) — closing both the container-Label-substitution shape AND F5's unmeasured-pixel-equivalence concern outright, since the value now renders at the child's own dat-local geometry instead of discarding it for the button's own Label font/rect; AD-101 RETIRED 2026-08-15 at Campaign CC slice CC6b-MOUNT — the Heritage-page auto-gender-select interim default is deleted outright now that the Appearance page's real gender buttons (`0x100003a7`/`0x100003a8`) exist; AD-102/AD-103 filed 2026-08-15 at Campaign CC slice CC4 — the Viamontian/Sanamar ToD-account-ownership gate omission, and the avail/health/stamina/mana/credits-meter UiButton-Label substitution for retail's swallowed Text-child overlays; AD-100 filed 2026-08-15 at the Campaign CC CC2 review (F2) — an unrequested `0xF643` CharGenVerificationResponse is DROPPED with a once-per-session log, where retail's handler has no armed-request gate and processes whatever arrives; AD-99 filed 2026-08-15 at Campaign LA gate round 2 finding 1 — the char-select Exit-confirmed close routes through the existing graceful window-close seam instead of retail's post-confirm `gmEpilogueUI` transition; AD-98 filed 2026-08-15 at Campaign LA gate round 2, COMPLETED same day — the char-select screen keeps its authored 800x600 root and the whole tree (widgets, glyphs, art, dialogs) stretches as one canvas via `UiRoot.FixedCanvasSize` scaling every quad at `TextRenderer.AppendQuad` with inverse mouse mapping, substituting one stage earlier for retail's fixed-canvas-stretched-at-presentation mechanism (the first resize-the-root substitution was deleted at 73041d70); AD-95 RETIRED same-day 2026-08-14 at trade gate round 3 — ID_SecureTrade_TotalItemsLabel probe-verified token-free (fragments ["Total Items: ", ""], one ITEMS variable) and now composed via ResolveTemplate; AD-94 filed 2026-08-14 at the secure-trade feature — the ACE-discarded AcceptTrade echo's zero-count item lists; AD-93 filed 2026-08-13 at social gate round 2 item 5 — the refused-drop notice port's two narrow gaps: wire-guid-match instead of retail's latched-guid preference, and no Move/Wield latch kinds; AD-85 NARROWED + AD-81 AMENDED 2026-08-13 at social gate round 2 — the five confirmation-dialog templates now compose exactly via the new `DatStringResolver.ResolveTemplate` port of `StringTable::GetString @0x004300D0`'s token-free fragment/PLAYER interleave; AD-85 keeps only its numeric-field item, AD-81 keeps the meta-token engine + `FormatName`; AD-92 filed 2026-08-13 at the #376/#388 fix round — highest-refresh-for-WxH selection + refuse-and-log invalid fullscreen requests, versus retail's pass-through-and-error `ForceDisplayResolution`; AD-91 filed 2026-08-13 at the #390 port — the display-change clamp covers floating chats too, which retail leaves unclamped/strandable; AD-90 filed 2026-08-13 at the #389 fix round — retail's smartbox aspect runs through the `Render.AspectRatio` preference (`ComputeAspectForViewport @0x0054f150`), exactly raw w/h at its default, which is what acdream assumes; AD-89 RETIRED same-day 2026-08-13 — the SmartboxFOV port landed (#389): `RetailFieldOfView` + `CameraController.SetGameFov` now apply retail's `gameFOV/(aspect−0.1)` law with the 90°-degrees option semantics, and the invented 60° camera constants are deleted; AD-88 filed 2026-08-13 at the #385 dropdown fix — the vendor category dropdown keeps G5's fixed 6-row scrollable window although its authored popup ListBox is edge-docked, the condition that arms retail's `RecalculatePopupSize` size-to-content resize; classification UNCLEAR pending a retail side-by-side (ISSUES #386); AD-87 filed 2026-08-12 at Campaign FA slice FA6 — the allegiance-swear half of the two-bot headless gate is written+wired but `AllegianceGateEnabled=false` (disabled by default), unverified end-to-end over the wire because ACE returns nothing to the `0x001D` swear (ISSUES #384); the FELLOWSHIP two-session gate passed live and ships as FA6's automated proof; AD-86 filed 2026-08-12 at Campaign FA slice FA5, item 4 — ACE's deliberate zeroing of officers/officer titles/MOTD/MOTD-set-by/name-last-set-time/lock/approved-vassal/timeOnline/allegianceAge, dropped past acdream's own parse layer to match retail's own no-widget presentation; AD-85 filed 2026-08-12 at Campaign FA slice FA5 — the Allegiance page's numeric-only fields and its three local confirmation dialogs' unsubstituted-verbatim-or-bare-name text, the same unported `StringInfo` gap AD-81 filed for Fellowship; AD-84 filed 2026-08-12 at Campaign FA slice FA5 — the Swear button's missing "target is a player" gate, the same class as AD-83's Recruit-button gap; AD-83 filed 2026-08-12 at the Campaign FA slice FA4 fix round (mechanism MUST-FIX 5) — the Recruit button's missing "target is a player" gate, previously an inline comment not a row; AD-82 filed 2026-08-12 at the Campaign FA slice FA4 fix round (mechanism MUST-FIX 4/5) — the invented leader-tint/selection-tint colors, the name-text-only row click target, and the page-local (not generic-`UiTemplateListBox`) world→panel selection sync; AD-81 filed 2026-08-12 at Campaign FA slice FA4 — the fellowship roster/create-flow text-composition gap (unported `StringInfo` variable substitution + `ACCharGenData::FormatName`); AD-80 filed 2026-08-12 at Campaign FA slice FA4, D5 — the panel's retail-exact XP-share percentage display versus the currently-targeted ACE server's slightly different actual grant; AD-79 filed 2026-08-12 at Campaign FA slice FA3, D1 — the social panel's Friends/Squelch page action buttons (add/remove friend, appear offline, squelch add/remove/clear) are honest INERT, no wire implemented this campaign; AD-78 filed 2026-08-11 at Campaign OP's gate-2 follow-up (user-directed, verbatim "mark all options that are not implemented now, so I can clearly see what is not implemented") — the shared store-only-caption-dimming convention across the Character/Config option tabs and Configure Keyboard; AD-77 filed 2026-08-11 at the Campaign OP OP3 review-fix round — the client-wide floating-only `gmPanelUI` host divergence (retail also exposes a docked `0x21000017` host) the plan's §5 delegated to the OP3 dual review, scoped to every main panel not just Options; AD-76/AD-75/AD-74 filed 2026-08-11 at Campaign OP slice OP3 — the Options panel's Exit to Character Selection "behaves as Exit Game" adaptation (D6), the Urgent Assistance/Report Abuse dead-URL interface-text short-circuit (D5), and In-Game Help Files' asset-missing inert button (D5); AD-73 filed 2026-08-11 at the Campaign OP OP2 rework — `UiTabPanel`'s dormant-until-`ActivateTabBehavior()` activation model, replacing retail's unconditional per-instance tab-table wiring, so the four already-shipped Type-8 hosts keep their existing controller-owned switching without a double-driver race; AD-72 filed 2026-08-08 at the Slice 5.3 review corrections — `VendorPricing`'s double-precision narrowing versus retail's x87 extended precision, same class as AD-33; AD-65 RETIRED and AD-69 FILED 2026-08-07 at Campaign S S4 — the away-arm now snaps per retail @0x00509c50, while AD-66's byte-confirmed sibling landing is WITHHELD pending #341's measurement-anomaly apparatus, and AD-69 records the seam-frame dist gap the same pass discovered; AD-56 RESTORED 2026-08-07 — the a8a7d64b revert had collaterally DELETED it, the inverse of the AD-55 zombie it also created; its plumb-fall-freeze condition is live again since TS-4’s real retirement at Slice 2B; AD-55 RE-RETIRED 2026-08-07 — its 2026-07-30 retirement at 252e8068 was collaterally resurrected by the a8a7d64b revert of the unrelated TS-4 commit; the code kept the cos(10°) fix throughout; AD-68 filed 2026-08-07 at the #338 closure — the async-residency placeholder mover shape (0.4/0.4 steps + capsule) has no retail counterpart because retail loads synchronously; AD-67 filed 2026-08-07 at the #32 closeout — the narrowed `SetContactPlane` keeps its per-write `ContactPlaneCellId`, which retail writes only at `init_contact_plane`; AD-49 filed 2026-08-06 at the #334 fix — the BSP part-array flood runs its outdoor cell rectangle at seed time rather than only from retail’s residency-gated walk, keeping both registration floods on one residency rule; AD-64 filed 2026-08-05 at the C5b architecture review's D1 fix — AD-60's W2 wire-cell REACHABILITY decision is expressed once per host because the two hosts run parallel non-shared inbound routes; the committed VALUE is single-sourced at `RuntimeEntityObjectLifetime.CommitWireCellRebucket`, and unification is filed as #324; AD-60 CORRECTED the same day — its surviving-channel enumeration presented "the local force path, the missile arm" as exhaustive when the entire no-window host belonged in it; AD-1 RETIRED 2026-08-05, C5a deletion sweep — the legacy outdoor demote/restore lift this row described was `PhysicsEngine.Resolve`'s own body, deleted with zero production callers; AD-42 DELETED 2026-08-04, C4 route 3 — its last surviving citation, the headless portal-arrival resync's two-call Resolve/ResolvePlacement split, was retired by the canonical `RuntimeAcceptedPositionDriveController` portal arm; AD-2 amended same route with the deferred-place timing adaptation, the T8 tolerated-overwrite note, and the leash-anchor nuance; AD-63 filed 2026-08-04, cancelled-park presentation rollback — the rollback restores every presentation registration the park's Withdraw removed EXCEPT the player's selection, which is user intent rather than a projection; AD-62 filed 2026-08-03, C4 route 2 round 2 — a deferred ForcePosition retired without committing is not re-applied and its ack is not sent; AD-61 filed 2026-08-02, C3c review round 1 — the #270 settle compression now covers the local player; AD-59/AD-60 filed 2026-08-02, continuation-executor slice; AD-111 (renumbered from a parallel-round AD-109 collision) filed 2026-08-17 at the systemic escape-normalization round — the appraisal report's wire-domain literal-
--to-line-break shaping, which retail's `ItemExamineUI::AddItemInfo @0x004AC050` does not do (wire text appends verbatim; the escape decode retail runs at `StringInfo` resolution now lives at our string source, `DatStringResolver` → `RetailStringEscapes`); AD-108 filed 2026-08-17 at the night-round review fix round (F9), mechanism REPLACED same day at the overnight round's final fix — the Map tab's player/house icons, swallowed as `UiButton` dat children by `m_pMap`'s own Type-1 authoring, are now found in the panel-slot resolve's own info tree and rebuilt via `MapPageController.Bindings.IconBuilder` (the original standalone re-import resolved nothing on the live DAT); AD-107 RETIRED 2026-08-17 at the night-round review fix round (F2) — HouseQuery now fires once at the canonical local-player first-placement-completion edge (the same "initial session bootstrap" moment `GameActionLoginComplete`'s non-portal send sites already use), matching the byte-decoded retail truth that `CM_House::Event_QueryHouse @0x006aaa00` is tail-called, unconditionally, from the END of `CPlayerSystem::InitializePlayer @0x00563570` — the ONE-TIME-per-session function `AttemptSendLoginCompleteNotification` also lives in, guarded by the same `player_initialized` flag — right after that notification, not from any tab-open UI event; the invented tab-open trigger this row described is deleted outright, not merely narrowed; AD-106 filed 2026-08-16 at #409 (client-wide retail tooltip system) — RetailTooltipPresenter mounts the popup as an ordinary UiRoot sibling and keeps it topmost via its own per-tick BringToFront, scheduled after both RetailDialogFactory.Tick and Host.Tick, rather than porting retail's separate always-on-top presentation layer (m_pTooltipElement) — same adaptation shape AP-229 already accepted for dialogs-vs-screens, extended one layer further; AD-105 filed 2026-08-16 at Campaign CC gate round 1 re-test 3, finding R4-3 — the Skills info-box description-pane Height clamp to the SIBLING gold frame's own authored bottom edge, since retail's `ShowSkillsText` has no code relationship between the pane and the frame to cite directly. AD-104 filed 2026-08-16 at Campaign CC gate round 1 re-test 2, finding R3-3 — the Skills info-box title/description VerticalJustify page-scoped override, ISSUES.md #410 tracks the shared client-wide VJustify-default fix this compensates for. F12 correction, Campaign CC gate round 1 closeout, 2026-08-16: this header undercounted by 2 — a direct count of the physical `| AD-` rows below found 79, not the 77 this header carried; corrected to the counted total, matching AP-213's own row-count reconciliation the same closeout. AD-103 RETIRED 2026-08-16 at the Campaign CC gate round 1 Batch C fix (GF-4a) — the swallowed Type-12 value child (`0x100002f1`/`0x100002f3` under the avail/health/stamina/mana/credits badge buttons) is now surfaced as its OWN addressable `UiButton.ValueLabel`/`ValueBox`/`ValueFont`/`ValueColor` slot, built from the child's OWN authored rect/font/color (`DatWidgetFactory.BuildButton`) — closing both the container-Label-substitution shape AND F5's unmeasured-pixel-equivalence concern outright, since the value now renders at the child's own dat-local geometry instead of discarding it for the button's own Label font/rect; AD-101 RETIRED 2026-08-15 at Campaign CC slice CC6b-MOUNT — the Heritage-page auto-gender-select interim default is deleted outright now that the Appearance page's real gender buttons (`0x100003a7`/`0x100003a8`) exist; AD-102/AD-103 filed 2026-08-15 at Campaign CC slice CC4 — the Viamontian/Sanamar ToD-account-ownership gate omission, and the avail/health/stamina/mana/credits-meter UiButton-Label substitution for retail's swallowed Text-child overlays; AD-100 filed 2026-08-15 at the Campaign CC CC2 review (F2) — an unrequested `0xF643` CharGenVerificationResponse is DROPPED with a once-per-session log, where retail's handler has no armed-request gate and processes whatever arrives; AD-99 filed 2026-08-15 at Campaign LA gate round 2 finding 1 — the char-select Exit-confirmed close routes through the existing graceful window-close seam instead of retail's post-confirm `gmEpilogueUI` transition; AD-98 filed 2026-08-15 at Campaign LA gate round 2, COMPLETED same day — the char-select screen keeps its authored 800x600 root and the whole tree (widgets, glyphs, art, dialogs) stretches as one canvas via `UiRoot.FixedCanvasSize` scaling every quad at `TextRenderer.AppendQuad` with inverse mouse mapping, substituting one stage earlier for retail's fixed-canvas-stretched-at-presentation mechanism (the first resize-the-root substitution was deleted at 73041d70); AD-95 RETIRED same-day 2026-08-14 at trade gate round 3 — ID_SecureTrade_TotalItemsLabel probe-verified token-free (fragments ["Total Items: ", ""], one ITEMS variable) and now composed via ResolveTemplate; AD-94 filed 2026-08-14 at the secure-trade feature — the ACE-discarded AcceptTrade echo's zero-count item lists; AD-93 filed 2026-08-13 at social gate round 2 item 5 — the refused-drop notice port's two narrow gaps: wire-guid-match instead of retail's latched-guid preference, and no Move/Wield latch kinds; AD-85 NARROWED + AD-81 AMENDED 2026-08-13 at social gate round 2 — the five confirmation-dialog templates now compose exactly via the new `DatStringResolver.ResolveTemplate` port of `StringTable::GetString @0x004300D0`'s token-free fragment/PLAYER interleave; AD-85 keeps only its numeric-field item, AD-81 keeps the meta-token engine + `FormatName`; AD-92 filed 2026-08-13 at the #376/#388 fix round — highest-refresh-for-WxH selection + refuse-and-log invalid fullscreen requests, versus retail's pass-through-and-error `ForceDisplayResolution`; AD-91 filed 2026-08-13 at the #390 port — the display-change clamp covers floating chats too, which retail leaves unclamped/strandable; AD-90 filed 2026-08-13 at the #389 fix round — retail's smartbox aspect runs through the `Render.AspectRatio` preference (`ComputeAspectForViewport @0x0054f150`), exactly raw w/h at its default, which is what acdream assumes; AD-89 RETIRED same-day 2026-08-13 — the SmartboxFOV port landed (#389): `RetailFieldOfView` + `CameraController.SetGameFov` now apply retail's `gameFOV/(aspect−0.1)` law with the 90°-degrees option semantics, and the invented 60° camera constants are deleted; AD-88 filed 2026-08-13 at the #385 dropdown fix — the vendor category dropdown keeps G5's fixed 6-row scrollable window although its authored popup ListBox is edge-docked, the condition that arms retail's `RecalculatePopupSize` size-to-content resize; classification UNCLEAR pending a retail side-by-side (ISSUES #386); AD-87 filed 2026-08-12 at Campaign FA slice FA6 — the allegiance-swear half of the two-bot headless gate is written+wired but `AllegianceGateEnabled=false` (disabled by default), unverified end-to-end over the wire because ACE returns nothing to the `0x001D` swear (ISSUES #384); the FELLOWSHIP two-session gate passed live and ships as FA6's automated proof; AD-86 filed 2026-08-12 at Campaign FA slice FA5, item 4 — ACE's deliberate zeroing of officers/officer titles/MOTD/MOTD-set-by/name-last-set-time/lock/approved-vassal/timeOnline/allegianceAge, dropped past acdream's own parse layer to match retail's own no-widget presentation; AD-85 filed 2026-08-12 at Campaign FA slice FA5 — the Allegiance page's numeric-only fields and its three local confirmation dialogs' unsubstituted-verbatim-or-bare-name text, the same unported `StringInfo` gap AD-81 filed for Fellowship; AD-84 filed 2026-08-12 at Campaign FA slice FA5 — the Swear button's missing "target is a player" gate, the same class as AD-83's Recruit-button gap; AD-83 filed 2026-08-12 at the Campaign FA slice FA4 fix round (mechanism MUST-FIX 5) — the Recruit button's missing "target is a player" gate, previously an inline comment not a row; AD-82 filed 2026-08-12 at the Campaign FA slice FA4 fix round (mechanism MUST-FIX 4/5) — the invented leader-tint/selection-tint colors, the name-text-only row click target, and the page-local (not generic-`UiTemplateListBox`) world→panel selection sync; AD-81 filed 2026-08-12 at Campaign FA slice FA4 — the fellowship roster/create-flow text-composition gap (unported `StringInfo` variable substitution + `ACCharGenData::FormatName`); AD-80 filed 2026-08-12 at Campaign FA slice FA4, D5 — the panel's retail-exact XP-share percentage display versus the currently-targeted ACE server's slightly different actual grant; AD-79 filed 2026-08-12 at Campaign FA slice FA3, D1 — the social panel's Friends/Squelch page action buttons (add/remove friend, appear offline, squelch add/remove/clear) are honest INERT, no wire implemented this campaign; AD-78 filed 2026-08-11 at Campaign OP's gate-2 follow-up (user-directed, verbatim "mark all options that are not implemented now, so I can clearly see what is not implemented") — the shared store-only-caption-dimming convention across the Character/Config option tabs and Configure Keyboard; AD-77 filed 2026-08-11 at the Campaign OP OP3 review-fix round — the client-wide floating-only `gmPanelUI` host divergence (retail also exposes a docked `0x21000017` host) the plan's §5 delegated to the OP3 dual review, scoped to every main panel not just Options; AD-76/AD-75/AD-74 filed 2026-08-11 at Campaign OP slice OP3 — the Options panel's Exit to Character Selection "behaves as Exit Game" adaptation (D6), the Urgent Assistance/Report Abuse dead-URL interface-text short-circuit (D5), and In-Game Help Files' asset-missing inert button (D5); AD-73 filed 2026-08-11 at the Campaign OP OP2 rework — `UiTabPanel`'s dormant-until-`ActivateTabBehavior()` activation model, replacing retail's unconditional per-instance tab-table wiring, so the four already-shipped Type-8 hosts keep their existing controller-owned switching without a double-driver race; AD-72 filed 2026-08-08 at the Slice 5.3 review corrections — `VendorPricing`'s double-precision narrowing versus retail's x87 extended precision, same class as AD-33; AD-65 RETIRED and AD-69 FILED 2026-08-07 at Campaign S S4 — the away-arm now snaps per retail @0x00509c50, while AD-66's byte-confirmed sibling landing is WITHHELD pending #341's measurement-anomaly apparatus, and AD-69 records the seam-frame dist gap the same pass discovered; AD-56 RESTORED 2026-08-07 — the a8a7d64b revert had collaterally DELETED it, the inverse of the AD-55 zombie it also created; its plumb-fall-freeze condition is live again since TS-4’s real retirement at Slice 2B; AD-55 RE-RETIRED 2026-08-07 — its 2026-07-30 retirement at 252e8068 was collaterally resurrected by the a8a7d64b revert of the unrelated TS-4 commit; the code kept the cos(10°) fix throughout; AD-68 filed 2026-08-07 at the #338 closure — the async-residency placeholder mover shape (0.4/0.4 steps + capsule) has no retail counterpart because retail loads synchronously; AD-67 filed 2026-08-07 at the #32 closeout — the narrowed `SetContactPlane` keeps its per-write `ContactPlaneCellId`, which retail writes only at `init_contact_plane`; AD-49 filed 2026-08-06 at the #334 fix — the BSP part-array flood runs its outdoor cell rectangle at seed time rather than only from retail’s residency-gated walk, keeping both registration floods on one residency rule; AD-64 filed 2026-08-05 at the C5b architecture review's D1 fix — AD-60's W2 wire-cell REACHABILITY decision is expressed once per host because the two hosts run parallel non-shared inbound routes; the committed VALUE is single-sourced at `RuntimeEntityObjectLifetime.CommitWireCellRebucket`, and unification is filed as #324; AD-60 CORRECTED the same day — its surviving-channel enumeration presented "the local force path, the missile arm" as exhaustive when the entire no-window host belonged in it; AD-1 RETIRED 2026-08-05, C5a deletion sweep — the legacy outdoor demote/restore lift this row described was `PhysicsEngine.Resolve`'s own body, deleted with zero production callers; AD-42 DELETED 2026-08-04, C4 route 3 — its last surviving citation, the headless portal-arrival resync's two-call Resolve/ResolvePlacement split, was retired by the canonical `RuntimeAcceptedPositionDriveController` portal arm; AD-2 amended same route with the deferred-place timing adaptation, the T8 tolerated-overwrite note, and the leash-anchor nuance; AD-63 filed 2026-08-04, cancelled-park presentation rollback — the rollback restores every presentation registration the park's Withdraw removed EXCEPT the player's selection, which is user intent rather than a projection; AD-62 filed 2026-08-03, C4 route 2 round 2 — a deferred ForcePosition retired without committing is not re-applied and its ack is not sent; AD-61 filed 2026-08-02, C3c review round 1 — the #270 settle compression now covers the local player; AD-59/AD-60 filed 2026-08-02, continuation-executor slice)
-
-Recent retirements: AD-3/AD-4 retired 2026-07-31 by exact active/per-candidate
-visible-cell availability, full-catalog containment-root validation, and the
-zero-portals point-in-cell guard (rootless payloads are quarantined; only a
-missing positive child below a valid root is the inside base case); AD-25 retired 2026-07-30 by the
-shared `PhysicsObjUpdate.HandleAllCollisions` remote path; AD-11 retired
-2026-07-23 by the exact low-bit ItemUses predicate; AD-31 retired 2026-07-15
-by the DAT-authored portal-space viewport. Recent additions and splits:
-AD-47/AD-48 (Vulkan sample/present behavior), AD-50..AD-52 (Campaign N), and
-AD-53..AD-55 (Campaign P response-layer findings).
-
-AD-2 clarification (placement Slice 4A, 2026-07-31): Core never creates cells
-during placement, so retail `DoNotCreateCells` has no differential synchronous
-loader branch there. Slice 4B must preserve the flag while mapping successful
-deferred placement to exact-cell, generation-scoped asynchronous admission;
-the presence of the flag in the immutable request is not claimed as exactness.
-
-AD-2 retirement-receipt refinement (2026-08-02): a pending-only live
-projection bucket survives the atomic origin swap but is not a landblock
-presentation generation and emits no second full cleanup receipt. A genuine
-receipt-ledger invariant after spatial detachment is a committed terminal
-failure, never resumable detach work. This preserves the existing adaptation:
-one exact asynchronous cleanup owner for each synchronously destroyed retail
-landblock, while logical live objects survive streaming residence changes.
-
-AP-1/AD-1 checkpoint (placement Slice 4B2 checkpoint 1, 2026-07-31): Runtime now owns the
-exact accepted placement/lost-cell transaction, atomic body/contact/cell/
-shadow/workset commit, adjusted retained frame, authored mover preparation,
-exact-cell/generation wake, append/swap lost buckets, a bounded indexed
-deadline heap, independent root/direct-child deadlines, and revisioned ordered
-host receipts. A public generation-gated observe/retry/exact-ack channel now
-projects that one receipt owner. Shared local-controller body adoption remains
-deferred to the atomic all-route ownership cutover. Both rows remain open until
-4B2 cuts graphical and no-window
-production routes over, quiesces active placement before invoking the dormant
-collision-retirement entry, and binds portal
-authority to `RuntimeWorldTransitState`. AD-2 remains the deliberate async
-readiness/requeue adaptation. See
-`docs/research/2026-07-31-canonical-set-position.md`.
+## 2. Adaptation (AD) — 44 rows (AD-52 filed 2026-07-29 at Campaign N slice N6 — the fragment-assembler 60 s partial TTL + completed-sequence ring; AD-51 filed 2026-07-29 at Campaign N slice N4 — the reclaimed-word pool for ACE's fresh-sequence cleartext RejectRetransmit; AD-50 filed 2026-07-29 at Campaign N slice N2 — the inbound-watermark ACE init; AD-49 stays reserved for Campaign N §5's blob-layer ordering deferral, filed when its slice lands; AD-47 and AD-48 filed 2026-07-29 at Campaign V slice V11 — the MSAA sample-position and present-pacing rows the campaign's risk register scheduled for the GL deletion; AD-11 retired 2026-07-23 — exact low-bit ItemUses predicate; AD-31 retired 2026-07-15 — the DAT-authored portal-space viewport replaces the black transit cover)
| # | Divergence | Where (file:line) | Why it is safe / justified | Risk if assumption breaks | Retail oracle |
|---|---|---|---|---|---|
-| AD-111 | **Filed 2026-08-17 at the systemic escape-normalization round (commit 967b9c57).** The appraisal report's WIRE-string shaping (`ItemAppraisalTextLayout.Shape`) converts a literal two-character `
-` in server-sent fragment text (long description, use text) into a real line break. Retail does NOT: `ItemExamineUI::AddItemInfo @ 0x004AC050` hands wire text straight to `UIElement_Text::AppendTextWithFont` with no `StringTableMetaLanguage::UnescapeString` pass (that decode belongs to `StringInfo` resolution — DAT/authored strings — which the same round ported to `DatStringResolver`/`RetailStringEscapes` as the single source decode), so retail renders a wire backslash-n literally. Pre-existing behavior documented as wire-domain at the same round (it shipped inside the user-accepted Slice-3 assessment surface); the sibling inscription path (`IndicatorDetailText.Shape`) was returned to retail-verbatim in the same commit. | `src/AcDream.App/UI/Layout/ItemAppraisalReport.cs` (`ItemAppraisalTextLayout.Shape`'s domain-commented replace) | Accommodates literal "
-" sequences appearing in ACE database strings; server strings carrying REAL line-break characters flow through the same split either way, so the replace only ever fires on content retail would render with a visible backslash-n. | A wire string legitimately containing the two characters backslash+n (a file path, ASCII art in a description) renders with a spurious line break where retail shows it literally. | `ItemExamineUI::AddItemInfo @ 0x004AC050`; `UIElement_Text::AppendTextWithFont` (direct append, no unescape); `StringTableMetaLanguage::UnescapeString @ 0x0067BDC0` (the decode retail applies ONLY at StringInfo resolution) |
-| AD-108 | **Filed 2026-08-17 at the night-round review fix round (F9); MECHANISM REPLACED the same day at the overnight round's final fix, after live verification found the row's original standalone re-import resolving NOTHING.** Retail authors the Map tab's player-location and house-location icons (`0x100001ED`/`0x100001EE`) as ordinary nested dat children of `m_pMap` (`0x100001EC`) — itself a Type-1 `UIElement_Button`, the GM click-to-teleport feature `gmMapUI::ListenToElementMessage @0x004a2350` idMessage `0x1c` reads — and `gmMapUI::PostInit @0x004a1c70` resolves them as ordinary live child elements. acdream's `UiButton.ConsumesDatChildren` swallows a button's dat children as skin/label parts during the normal import walk, so the two icons never exist in the built tree and `UiElement.FindDescendant` against the page root returns null for them. **The shipped adaptation:** `MapPageController.Bind` finds each icon's `ElementInfo` under `m_pMap`'s own ALREADY-RESOLVED info subtree — `pageInfo`, a subtree of the panel-slot resolve `ImportInfos(dats, 0x2100006E, 0x1000018C)`, the ONLY pathway that materializes these infos at all — and BUILDS it through the new `Bindings.IconBuilder` seam (production: `LayoutImporter.Build(info, ...)` under the DAT lock — the build half of `RowTemplateResolver`'s shape, no import half), attaching the result as a runtime child of the built `m_pMap`. Live-DAT-pinned structural facts (`MapHousePanelLiveDatMountTests`, the pin the original gap proved missing): a cold `ImportInfos(dats, hostLayoutId, iconElementId)` returns null for BOTH icons — its `FindDesc` walks the LayoutDesc's raw top-level `Elements` table (exactly ONE entry for host layout `0x2100006E`) recursing through `ElementDesc.Children`, a purely structural walk with no tab-page/state-descriptor resolution — while the full panel-slot resolve materializes both icons nested under `m_pMap` with real authored extents. (The town-hotspot template `0x100001F0` is different in kind: a genuine standalone catalog entry addressable by `(templateLayoutId, templateElementId)`, whose import-then-build resolution is correct and unchanged.) `ResolveSwallowedIcon` also prefers an icon the normal build walk DID produce (`FindDescendant` under `m_pMap` first), so a future `ConsumesDatChildren` policy change cannot leave a second, permanently-static copy behind the live marker. **Second mechanism half (found by this fix's own F1 live verification):** both icons are detached from the per-frame authored layout pass (`PrepareIcon` sets `Anchors = AnchorEdges.None`, which also clears any imported `LayoutPolicy`) because `PlaceMarker` owns their position outright (retail's `gmMapUI::Update` re-places both markers every tick, and retail's `UpdateForParentSizeChange` runs only on actual parent resize) — acdream re-runs `ApplyAnchor` per frame, and the icon's compatibility anchor had captured the authored `(0,0)` rect while the panel window was still hidden, re-asserting it every frame over PlaceMarker's writes: a live-observed visible green ring pinned to `m_pMap`'s top-left corner regardless of player position, with only the coordinate text correct. | `src/AcDream.App/UI/Layout/MapPageController.cs` (`Bind`'s two `ResolveSwallowedIcon` call sites, `ResolveSwallowedIcon`'s body, `Bindings.IconBuilder`); `src/AcDream.App/UI/RetailUiRuntime.cs` (`MountMapHousePanel`'s `BuildSwallowedIcon`) | The rebuilt icons carry their authored ids and extents — `PlaceMarkerOnMap`'s centering divides the icon's own Width/Height, and the pin test asserts non-degenerate extents on the installed DAT. Their authored local position is irrelevant: `PlaceMarker` overwrites `Left`/`Top` on every 5 s `Refresh`, and each icon starts hidden until the first refresh decides real visibility — same net presentation as retail's find-the-child. | A future DAT regeneration that reauthors the icons OUTSIDE `m_pMap`'s subtree would leave `FindInfo(mapInfo, iconId)` null again — the same silent "[D.2b] … not authored under m_pMap" log-and-hide failure mode this row's original defect had, but now caught by `MapHousePanelLiveDatMountTests` failing on the next suite run instead of only at a connected gate. | `gmMapUI::PostInit @0x004a1c70` (child resolution); `gmMapUI::ListenToElementMessage @0x004a2350` idMessage `0x1c` (confirms `m_pMap` IS a button, not a passive container); `gmMapUI::PlaceMarkerOnMap @0x004a18b0` (the marker math consuming the rebuilt icons) |
-| AD-106 | **Filed 2026-08-16 at #409 (client-wide retail tooltip system).** Retail's tooltip popup is a separate always-on-top presentation surface — `UIElementManager::StartTooltip @0x00459700` positions and latches it into `m_pTooltipElement`, drawn independently of the ordinary `UIElement` sibling tree (the SAME class of separation the AP-229 register row already establishes for retail's dialogs vs acdream's flat sibling list under one `Host.Root`). `RetailTooltipPresenter` instead mounts the popup as an ordinary `UiRoot` child sibling (`_host.AddChild(root)`) and keeps it topmost by calling `BringToFront` from its OWN `Tick()`, which `RetailUiRuntime.Tick` schedules AFTER both `RetailDialogFactory.Tick()` and `Host.Tick()` in the same frame — guaranteeing the tooltip wins whatever z-order race those two just ran, every frame, regardless of which dialog/screen last called its own `BringToFront`. | `src/AcDream.App/UI/Layout/RetailTooltipPresenter.cs` (`Tick`, `OnTooltipShow`'s `AddChild`/`BringToFront`); `src/AcDream.App/UI/RetailUiRuntime.cs` (`Tick`'s three-call ordering, `MountTooltipPresenter`) | Reproduces the one observable invariant a user can check (tooltips always draw on top of dialogs and screens) without porting retail's literal separate-layer architecture (no second draw pass, no dedicated presentation root) — the SAME tradeoff AP-229 already accepted for dialogs, extended one layer further. The ordering is enforced structurally (three sequential calls in one method), not by convention, so it cannot silently regress from an unrelated edit reordering unrelated `Tick` calls elsewhere. **F10 correction (2026-08-16 review round), two honest additions:** (1) the guarantee is versus dialogs/screens ONLY — `UiRoot.DrawCore`'s own second pass (`ctx.BeginOverlayLayer(); DrawOverlays(ctx); DrawDragGhost(ctx);`) routes open dropdown/menu popups and the drag ghost to a renderer overlay layer that paints over the WHOLE sibling tree unconditionally, so both still paint above a shown tooltip regardless of any `BringToFront` ordering — no z-order fix in the sibling tree can reach that layer. (2) counting the full chain by its own actual participants (not just the three calls local to `RetailUiRuntime.Tick`'s tooltip-adjacent lines), the per-tick `BringToFront` ratchet has FOUR rungs in frame order: `CharacterManagementUiController.Tick`, `CharacterCreationUiController.Tick` (both named in `RetailDialogFactory`'s own GF-15 doc comment as the screens it re-asserts over), `RetailDialogFactory.Tick`, then `RetailTooltipPresenter.Tick`. Four independent per-tick self-reraises stacked by tick ORDER is a design smell — a correct z-order model would need at most one authoritative comparison, not N racing assertions — but is bounded and enumerable in practice (no unbounded surface list, the order is fixed source, not runtime-discovered) so it is left as observed rather than restructured this round. | A FUTURE always-on-top UI surface that calls its own unconditional per-tick `BringToFront` AFTER `TooltipPresenter?.Tick()` in `RetailUiRuntime.Tick`'s ordering could bury a currently-shown tooltip — the exact failure class AP-229 already named for dialogs-vs-screens, now with four layers instead of two. | `UIElementManager::StartTooltip @0x00459700` (`m_pTooltipElement` ownership); AP-229's own dialog/screen precedent |
-| AD-73 | Filed 2026-08-11 at the Campaign OP OP2 rework (fix round after a double REJECT). `UiTabPanel` (dat Type 8, formerly `UiTabControl`) does NOT perform retail's automatic tab-table wiring / default-page activation at construction. Retail `UIElement_Panel::SetupTabPageHash @0x0046C2E0` + `::Update @0x0046BD00` unconditionally activate the authored default page for ANY instance that carries a tab table. `UiTabPanel` instead stays DORMANT — no click binding, no page-visibility flip, no tab Open/Closed write — until a controller explicitly calls `ActivateTabBehavior()`. | `src/AcDream.App/UI/UiTabPanel.cs` (`ActivateTabBehavior`); factory site `src/AcDream.App/UI/Layout/DatWidgetFactory.cs` (Type-8 arm) | Four already-shipped Type-8 hosts author a tab table today — character sheet root `0x10000227`, spellbook root `0x100002A8`, and vendor `0x100000B8` already implement this exact switching in their own C# controllers (`CharacterStatController`/`SpellbookWindowController`/`VendorUiController`); activating `UiTabPanel`'s own copy unconditionally would double-drive the same page-visibility/tab-state writes those controllers already own. Combat `0x100000A2` has no controller at all and is INTENTIONALLY left inert (its 8 stance pages have no switching UI yet) rather than have `UiTabPanel` silently take ownership. Only newly-authored hosts opt in (Options panel, Campaign OP slice OP3+; Configure Keyboard, OP8). This is what let the unconditional Type-8 factory mapping become safe after the OP2 REJECT (`docs/research/2026-08-11-op2-review-blast.md`, `docs/research/2026-08-11-op2-review-mechanism.md`). | A future panel that authors a Type-8 tab table but never gets a controller call to `ActivateTabBehavior()` renders with every tab button at its authored default (Closed) and every page slot at its default `Visible=true` — i.e. every page overlapping, no single active page — instead of retail's exactly-one-visible-page behavior. This is silent unless the diagnostic `UnresolvedEntries`/`BehaviorActive` surface is checked; a controller author who forgets the activation call will see a visually broken tab host, not a crash. | `UIElement_Panel::SetupTabPageHash @0x0046C2E0`; `UIElement_Panel::Update @0x0046BD00`; `UIElement_Panel::OpenTab @0x0046BE20`. ADDENDUM (2026-08-11, re-review closure): `UiTemplateListBox` additionally reports `ConsumesDatChildren = true` where the pre-rework fallback did not — inert against every shipped layout because no Type-5 element in any of the 32 fixtures authors children (now conformance-PINNED in `DormantDatWidgetConformanceTests`, so an authored child appearing in a future DAT regeneration fails the build instead of silently vanishing) |
-| ~~AD-53~~ | **RETIRED 2026-07-31 (Campaign P Slice 1B).** `Transition.CliffSlide` now consumes only `collision_info.last_known_contact_plane.N`, exactly as retail does. The invented `LastWalkablePlane -> LastKnownContactPlane -> UnitZ` fallback chain is gone; invalid/default or parallel data takes retail's degenerate `OK_TS` return. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`CliffSlide`); `tests/AcDream.Core.Tests/Physics/RetailEdgeResponseOrderingTests.cs` | — | — | `CTransition::cliff_slide` pc:272397 (0050a6d0); `last_known_contact_plane` maintenance pc:272659-272668 (~0050ad07) |
-| ~~AD-54~~ | **RETIRED 2026-07-31 (Campaign P Slice 1B).** Every stored walkable polygon now routes unconditionally to `PrecipiceSlide`, including a plane steeper than `FloorZ`; the invented steep-walkable reroute to `CliffSlide` is gone. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`EdgeSlideAfterStepDownFailed`); `tests/AcDream.Core.Tests/Physics/RetailEdgeResponseOrderingTests.cs` | — | — | `CTransition::edge_slide` pc:273001-273090 (0050b3d0) |
-| ~~AD-55~~ | **RETIRED 2026-07-30 at `252e8068` — and RE-RETIRED 2026-08-07 after a revert resurrected the row text.** The production constant has been the byte-confirmed `0.98480775f` (cos 10°) since `252e8068`, which also struck this row. Five hours later `a8a7d64b` — reverting the UNRELATED TS-4 commit `5e2be19b` — restored this file's older hunk and resurrected the un-struck row while leaving the code fixed. The zombie row then cost a full duplicate byte-derivation on 2026-08-07 (independent confirmation, identical result: qword [0x007c6b28] = π/18 exactly, live FCOS, threshold cos(10°) = 0.984807753; see `docs/research/2026-08-07-ad55-sledding-constant-byte-decode.md`). The old `0.99999536f` was ACE's error — the radian literal evaluated in degree mode — and acdream inherited then corrected it. **Process rule filed to memory: reverting any commit that touched this register must re-verify EVERY row the revert's register hunk touches, because whole-hunk reverts of single-line rows silently undo unrelated row edits.** Original text, retained: `calc_friction`'s Sledding slope-flatness test compares `GroundNormal.Z > 0.99999536f` (≈0.175° from flat); the raw retail decomp literally computes `__fcos(0.17453292519943295)` (= cos(10°) ≈ 0.984808) and compares that against `contact_plane.N.z` — physically very different tests (0.175° accepts only essentially-perfectly-flat ground; 10° accepts any modest slope) | `src/AcDream.Core/Physics/PhysicsBody.cs` (`calc_friction`, the Sledding near-flat branch) | Filed 2026-07-30 splitting AP-7's retirement (Campaign P Slice P2). Two hypotheses, neither confirmed this pass: (a) BN misdecompiled a raw float-constant load as an `__fcos()` call (a known BN artifact class), or (b) ACE's own port made an independent error and cos(10°) is correct. `0.99999536f` is kept provisionally — least churn, since it is what acdream's own prior (structurally unreachable) dead code already had — pending a live Ghidra decompile of `0050ee70` checking whether the FCOS opcode is real or a raw `FLD` of one of these two constants | Currently harmless in production: nothing sets `PhysicsState.Sledding` client-side (see #166 research), so this branch is unreachable either way. The moment a data-authored Sledding toggle exists, the wrong constant changes which slopes get the light 0.2f sled-friction override vs. the heavier default | `CPhysicsObj::calc_friction` pc:276694-276822 (0050ee70), the `__fcos(0.17453292519943295)` slope-flatness comparison; ACE `PhysicsObj.calc_friction` PhysicsObj.cs:2120-2141 (`0.99999536f`); `docs/research/2026-07-30-response-layer-edge-family-pseudocode.md` §1, §7 item 3 |
-| AD-56 | **RESTORED 2026-08-07 — this row was collaterally DELETED by `a8a7d64b` (the revert of the unrelated-in-hunk TS-4 commit that created it) and stayed missing for eight days while its condition came back to life: TS-4's Path-6 shortcut deletion re-landed for real at Slice 2B (2026-07-31), so the plumb-fall freeze this row guards is reachable at HEAD and its pinning test (`Ts4SteepRoofWedgeCaptureTests.FallOntoSteepSlope_PureVertical_..._RetailParity`) still runs. Same resurrection mechanism as AD-55's zombie, opposite direction — see [[feedback_register_revert_resurrection]]. Original text: A body falling PERFECTLY PLUMB (zero horizontal velocity) onto a steep-but-below-FloorZ polygon (LandingZ-permissive, e.g. a steep roof) freezes at its landing position forever once Path 6's steep-poly shortcut is removed (TS-4). `AdjustOffset`'s crease projection (`Cross(ContactPlane.Normal, SlidingNormal)`) against a purely-Z gravity offset is mathematically annihilated (`Dot(slideOffset, offset) = 0` exactly, since `slideOffset.Z = 0` and the offset is purely Z), tripping the abort-small-offset guard before `TransitionalInsert` can run again | `src/AcDream.Core/Physics/TransitionTypes.cs` (`AdjustOffset`'s crease-projection math, shared by every mover); pinned by `tests/AcDream.Core.Tests/Physics/Ts4SteepRoofWedgeCaptureTests.cs` (`FallOntoSteepSlope_PureVertical_FreezesAtDegenerateFixedPoint_RetailParity`) | Filed 2026-07-30 at the Campaign P final physics slice, split out of the retired TS-4 row. This is not a code bug: the mechanism is present identically in the raw retail decomp, ACE's port, and this port (`docs/research/2026-07-30-ts4-116-oracle-plan.md` §1.2 Step E, §1.3) — every one of the three references crushes a purely-vertical offset to zero the same way. A live player almost never produces this exact input: WASD, camera-relative movement, and even small numerical noise inject some horizontal component, which the SAME cross product does NOT annihilate (only a component exactly along the downhill/gravity line is removed) — confirmed by the decisive companion fixture `FallOntoSteepSlope_WithHorizontalVelocity_...`, which converges cleanly with a mere ±0.3 m/s residual horizontal component | A hypothetical mover that manages a truly zero-horizontal-velocity approach to a steep-but-LandingZ-permissive surface (a vertical-drop elevator platform, a scripted teleport landing) would freeze identically to retail; not reachable by ordinary player/NPC movement | `CTransition::adjust_offset` pc:272271-272393 (0x0050a370); `docs/research/2026-07-30-ts4-116-oracle-plan.md` §1.2 Step E, §1.3, §1.5 |
| AD-46 | **LIVE. Reframed at Campaign V slice V11 (2026-07-29), when GL was deleted and the comparison that discovered this row ceased to exist.** Dense alpha-blended distant scenery (the treeline) may read slightly denser than retail's, because the anisotropic TAP PATTERN is implementation-defined and acdream's Vulkan driver does not tap identically to retail's D3D9 one. Both request the same sampler state — trilinear, clamp-and-repeat, the device's maximum anisotropy. **What changed at V11 is only the left-hand side of the comparison**: this was measured GL-vs-Vulkan (~15% of the pixels in the band), and it is now a Vulkan-vs-retail question against the D3D oracle in the last column. The measurement below is retained as the evidence that the residual is a tap pattern and not a bug, even though one of its two arms no longer exists. | `src/AcDream.App/Rendering/Wb/WorldTextureArray.cs` (`RhiWorldTextureArray.WorldArrayAnisotropy`); measured in plan §5.5.19, reframed §5.5.24 | Not assumed — narrowed by measurement while both backends still existed, on an offline capture with no session, no entities and both clocks pinned. Anisotropy 1 → 41,509 differing pixels in the tree band; anisotropy 16 (GL's value, and retail's `m_D3DCaps.MaxAnisotropy`) → 22,266, and the rest of the frame fell to 497 px of 563,200, i.e. 8.8e-04, inside the campaign's 0.001 threshold. The residual was not a sub-pixel shift (an integer shift search found none), not a sharpness change (high-frequency energy matched within 5%), and not depth precision (forcing Vulkan's window-depth range to GL's compressed [0.5, 1] moved it by 3%). Monotone improvement toward GL's own anisotropy with no knob left is what made it a driver property rather than a bug. | Distant foliage shimmers or reads denser than retail's. The class is confined to alpha-blended dense overlap: opaque terrain, roofs, walls, water, statics, the character and the whole retained UI are inside threshold. **Now unfalsifiable by self-differential** — with GL gone, the only way to retire this row is a side-by-side against the retail client, not against another acdream backend. | `RenderDeviceD3D::SetDefaultD3DStates @ 0x005a3800`, whose `SetSamplerState(stage, 0xA /* D3DSAMP_MAXANISOTROPY */, m_D3DCaps.MaxAnisotropy)` at `0x005a4230` is the value acdream requests |
| AD-47 | **Filed at Campaign V slice V11 (2026-07-29); the campaign's risk register scheduled this row here.** Multisample resolve sample POSITIONS are unspecified by both the Vulkan and D3D9 specifications, so acdream's MSAA-on silhouette edges do not match retail's pixel-for-pixel even at the same sample count. acdream's strict pixel gates therefore run with MSAA forced OFF on every arm, and MSAA-on gets only a relaxed visual smoke. | `src/AcDream.App/RuntimeOptions.cs` (`ACDREAM_MSAA_SAMPLES`); forced to 0 in `tools/run-offline-pixel-gate.ps1` | Measured, not assumed: plan §5.5.16 compared two backends at 4x and found **8.83% of the frame differing — 81,359 px of 921,600 — essentially all of it hugging foliage and silhouette edges**, which is ninety-fold over the 0.001 gate threshold. That is two implementations' sample patterns, not a renderer divergence, which is why forcing MSAA off is what makes the remaining difference attributable rather than a threshold relaxation. | Edge quality on thin geometry (fence rails, foliage, distant railings) differs from retail at the sub-pixel level whenever MSAA is on, which is the ordinary player configuration. Because the gates run MSAA off, **a real regression confined to the multisample path would not be caught by them** — that is the actual exposure this row records. | D3D9 `D3DRS_MULTISAMPLEANTIALIAS` / `D3DMULTISAMPLE_TYPE` as set by `RenderDeviceD3D::SetDefaultD3DStates @ 0x005a3800`; retail's sample pattern is the driver's, exactly as ours is |
| AD-48 | **Filed at Campaign V slice V11 (2026-07-29).** Presentation is paced by the Vulkan swapchain present mode (FIFO, i.e. VSync) or by a refresh-rate software pacer when uncapped, rather than by retail's D3D9 `Present` with its own frame-rate limiter. Frame delivery cadence, and therefore input-to-photon latency, is a property of our present path rather than a port of retail's. | `src/AcDream.App/RuntimeOptions.cs:98-100`; `src/AcDream.App/Rendering/Gpu/Vk/VulkanSwapchain.cs` | Retail's limiter and ours both bound the frame rate to the display; the simulation is fixed-step and clock-driven, so gameplay timing does not ride on presentation cadence. The uncapped path exists for measurement and is not the shipping default. | A pacing mismatch shows up as judder or input latency that differs from retail's feel without any visual difference in a captured frame — invisible to every pixel gate by construction. Issue **#235** (the capped/RDP jump-presentation cadence alias) is the known live instance of this class. | D3D9 `IDirect3DDevice9::Present`; retail's frame limiter in `RenderDeviceD3D` |
-| AD-49 | **Filed 2026-08-06 at the #334 fix.** `CellTransit.BuildShadowCellSetFromParts` runs the outdoor cell rectangle AT SEED TIME for an outdoor seed, then gates only the growing-array WALK on cell residency. Retail's `find_bbox_cell_list` @0x00510fc0 gates everything on `obj->cell` (`0x00510fed test eax,eax` / `je 0x511020`), reaching `add_all_outside_cells` only from the walk. Retail can: a placed `CPhysicsObj` always holds a resident `CObjCell`. acdream's `CellGraph` residency is transiently false during landblock streaming (the #168 / #169 residence-race family), so deferring the rectangle to the walk would drop a landblock static or a live entity to a SINGLE cell for the window before its landblock publishes. This is the same residency policy `BuildShadowCellSet` already applies to its outdoor seed - retail's `CObjCell::find_cell_list` calls `add_all_outside_cells` at `0x0052b53f`, ahead of the `arg4` walk gate at `0x0052b576` - so the two registration floods differ only in sphere-vs-box, which is the whole of #334. | `src/AcDream.Core/Physics/CellTransit.cs` (`BuildShadowCellSetFromParts` seed block) | Keeps the sphere and box floods on ONE residency rule, so a future streaming-race fix has one place to change rather than two that disagree. The alternative - retail's literal shape - would introduce a new transient under-inclusive window, which is the #98 / #168 direction. | Over-inclusive only: an object whose landblock is not yet resident registers its full rectangle immediately instead of after the reflood (`ShadowObjectRegistry.RefloodOwnerForLandblock`, driven by `LandblockPhysicsContentBuilder.PublishStaticCollision`'s tail). The rows are correct the moment the cells exist; nothing is registered that the box does not span. | `CPhysicsObj::find_bbox_cell_list` 0x00510fc0 (0x00510fe2 / 0x00510fed); `CObjCell::find_cell_list` 0x0052b4e0 (0x0052b53f / 0x0052b576) |
| AD-50 | **Filed at Campaign N slice N2 (2026-07-29).** The inbound sequence tracker's watermark (`highestIDReceived_`) initializes to **1**, not retail's zero-init of `ReceiverData`. Watermark INIT only — every mechanism (sanity window, duplicate/parked-key path, gap walk, re-park, RejectRetransmit abandonment) is the verbatim retail port. | `src/AcDream.Core.Net/Transport/InboundSequenceTracker.cs` (`AceInitialWatermark`) | ACE never emits S2C sequence 1: its `PacketSequence` starts unprimed at `uint.MaxValue`, the cleartext ConnectRequest takes NextValue 0, and the first ENCRYPTED flush re-primes CurrentValue to 1 so the first encrypted sequenced packet is 2 (ACE NetworkSession.cs:716-717 + Sequence/UIntSequence.cs:9-13,30-41; pinned by the N0 double and the N2 clean-lifecycle conformance test asserting min encrypted S2C sequence == 2 with zero NAKs). A zero-init watermark would gap-walk the permanent id-1 hole: one spurious NAK, the first pre-drawn word mis-assigned to id 1, and the keystream off by one from the very first encrypted packet. holtburger seeds the same value (crates/holtburger-session/src/session/api.rs:30, `last_server_seq: 1`), mirroring ACE's own C2S-side `lastReceivedPacketSequence = 1` (NetworkSession.cs:57). | Against a hypothetical server that DOES emit sequence 1 as its first encrypted packet (retail's own numbering), init-1 would classify it "not newer" and drop it as a duplicate — the mirror-image wedge. Only ACE-family servers exist for this client today. | `ReceiverData` zero-init (construction inside `SharedNet`; `highestIDReceived_` starts 0); `SharedNet::ProcessNewestSeqNum @ 0x00541930` (the walk that would mis-NAK id 1) |
| AD-51 | **Filed at Campaign N slice N4 (2026-07-29).** The inbound sequence tracker keeps a reclaimed-word pool (per-parked-word draw ordinals + `PriorityQueue` consumed lowest-draw-order-first) that retail has no counterpart for: on a VALIDATED cleartext `RejectRetransmit`, the word the gap walk parked for the reject packet's OWN sequence is removed, every later-drawn parked word is shifted down one position, and the excess word feeds the next fresh draws. | `src/AcDream.Core.Net/Transport/InboundSequenceTracker.cs` (`OnCleartextRejectSequence`, `NextWord`, `ParkedWord`); trigger at `src/AcDream.Core.Net/WorldSession.cs` (RejectRetransmit consumption) | Retail's inbound invariant is "every missing id was an encrypted packet whose keystream word the server drew" — true against retail servers, whose cleartext packets always borrow live sequences (acks/NAKs reuse `highestIDSent_`; `FlowQueue::TransmitNewPackets @ 0x00547A60` sequences only reliable packets). ACE breaks it in exactly one place: `RejectRetransmit` takes a FRESH sequence through FlushPackets, cleartext, drawing NO S2C keystream word, and is cached (ACE NetworkSession.cs:299-304, :722-725, :743-748). Without the reclaim, our gap walk pre-draws a word for that id, the inbound stream runs permanently one word ahead, and every later encrypted packet fails checksum — the N2 desync class reintroduced through the reject path. The pool is provably empty against a retail server, so retail behavior is untouched. Reject BODY ids keep the N2 discard (their words were drawn on both sides — consumed-in-place). Known unreachable corner: a reject whose own id later appears inside another reject's body (first reject pruned after 120 s of sustained loss with the session alive) would discard a never-drawn word; probabilistically impossible against ACE's 60 s silence timeout and the 0.6 s NAK cadence. | Against a hypothetical non-ACE server that assigns fresh cleartext sequences to packets OTHER than RejectRetransmit, those ids would still mis-park with no reclaim trigger — inbound desync. Only ACE-family servers exist for this client today, and ACE has exactly the one path. | `SharedNet::ProcessNewestSeqNum @ 0x00541930` (the gap walk whose invariant ACE breaks); `SharedNet::HandleEmptyAck @ 0x005448F0` (retail's reject consumption — body ids only, no own-sequence machinery because retail never needs it) |
| AD-52 | **Filed at Campaign N slice N6 (2026-07-29).** The inbound fragment assembler evicts incomplete partial messages 60 s after their last ACCEPTED fragment (swept on retail's 5 s flush cadence from `ReliableTransport.Sweep`) and remembers the last 64 completed multi-fragment sequences in a ring so a late duplicate fragment of an already-completed message drops instead of allocating a fresh partial that can never complete. Retail's prune target and horizon differ: its 5 s-TTL `FlushTimedOutEphInfo` table holds ephemeral-blob ORDERING stamps (the AD-49 deferral), not partial payloads. | `src/AcDream.Core.Net/Packets/FragmentAssembler.cs` (`SweepExpired`, `PartialTtlSeconds`, `CompletedRingSize`); cadence in `src/AcDream.Core.Net/Transport/ReliableTransport.cs` (`AssemblerSweepSeconds`) | N4's RejectRetransmit abandonment made an unrecoverable partial a REACHABLE permanent state: ACE pruned a fragment-bearing packet from its 120 s S2C cache and told us to stop asking, so that blob can never complete — without a TTL it leaks for the session's lifetime. 60 s is ≫ every recovery horizon (0.6 s NAK cadence, ACE's 2 s ack, the 120 s cache) and the stamp refreshes on every accepted fragment (retail's own re-stamp rule, `ArrivedEphInfo::UpdateNetBlobID @ 0x0054AE00`), so only a server-abandoned partial can age out — a merely-slow one cannot. The ring is bounded (64 × 4 B) and its only false negative (a duplicate arriving after 64 later completions) degrades to the pre-N6 behavior, now reclaimed by the TTL. | If ACE ever legitimately re-served a fragment of a completed message under a REUSED fragment sequence within the ring window, it would be dropped — but fragment sequences are strictly monotonic per session (ACE SessionConnectionData.FragmentSequence), so reuse cannot happen inside one connection. An evicted partial whose fragments later straggle in re-partials and re-evicts — bounded churn, no corruption. | `Indicator::FlushTimedOutEphInfo @ 0x0054A3D0` (the 5.0 s flush gate at 0x0054A3DC); `ArrivedEphInfo::fTimedOut @ 0x0054AE30` (per-entry 5.0 s TTL); `ArrivedEphInfo::UpdateNetBlobID @ 0x0054AE00` (re-stamp on update); retail has no partial-payload TTL — its blob layer trusts its own NAK persistence, which N4's ACE-mandated abandonment (`SharedNet::HandleEmptyAck @ 0x005448F0`) breaks |
| AD-38 | Outgoing teleport viewports retire when retail's quantized animation level exceeds the last captured visible level 1022 (index 96), suppressing levels 1023/1024 up to 20.2 ms before retail's literal `elapsed >= 1.0` state edge. Incoming fades retain the exact timer. | `src/AcDream.Core/World/TeleportAnimSequencer.cs` (`OutgoingViewportReachedTerminalProjection`) | An uncapped 2000 FPS pass can publish the finite tunnel at levels 1023/1024 even though the paired 2013 retail capture switches viewports after 1022. The table-level cutover preserves the captured visible viewport ordering without throttling the application. | Exit sound, viewport replacement, and logout tunnel entry can occur at most two easing-table quanta (about 20.2 ms) earlier than retail's logical timer. | `UIGlobals::GetAnimLevel @ 0x004EE540`; `gmSmartBoxUI::UseTime @ 0x004D6E30`; paired retail/acdream captures documented in `docs/research/2026-07-15-retail-portal-space-pseudocode.md` |
-| ~~AD-1~~ | **RETIRED 2026-08-05 (C5a deletion sweep).** The legacy recoverable outdoor demote (`Resolve`'s indoor-claim safety net) and the outdoor-restore `max(terrainZ, z)` lift this row described were `PhysicsEngine.Resolve`'s own body — deleted outright with the exhaustive C5a caller census proving zero production callers (every production placement writer reaches canonical `PhysicsEngine.SetPosition` only through `RuntimeSetPositionState`). The divergent mechanism is unreachable from production because it no longer exists. | `src/AcDream.Core/Physics/PhysicsEngine.cs` (deletion); `docs/research/2026-08-05-c5a-contract.md` | — | — | `GotoLostCell` pc:283418; `SetPositionInternal` 0x00515bd0, pc:283892-283945; `CPhysicsObj::handle_all_collisions` 0x00514780 |
-| AD-2 | Async readiness gates replace retail's synchronous destination cell load. **#229 refinement (2026-07-20):** login and F751 portal-space exit now share `WorldRevealReadinessBarrier`, so neither path can expose the normal viewport until the same render-publication, composite-texture, and collision domains converge. A hydratable indoor claim requires its owning Near-tier static/EnvCell mesh set, destination composites, and exact EnvCell physics (`IsSpawnCellReady`); an outdoor claim requires those render domains plus terrain/collision residency across the DERIVED reveal window. **#280 amendment (2026-08-05):** that outdoor window is no longer a hardcoded radius-1 neighbourhood. Retail has exactly ONE landscape square — `LScape::mid_radius`, assigned directly from the `Render.LandscapeDrawDistance` preference (`SmartBox::SetRegion` @0x004531F0; values `Render_LandscapeDrawDistance_Values` @0x007CA988 = {3,5,8,11,15,25}, default 8, byte-verified) — and that same square is simultaneously the loaded set, the drawn set, and the set `LScape::PreFetchCells` @0x00505660 blocks on, so retail structurally cannot stream farther than it gates. acdream now DERIVES the outdoor radius from the live streaming window (`QualitySettings.FarRadius`, read per evaluation from `StreamingController` so a mid-hold Settings change re-arms the gate the way `SmartBox::set_mid_radius` @0x00453180 does), and the render-completeness predicate is TIER-AWARE to match acdream's two-tier landscape: inside `NearRadius`, full Near publication (`IsNearTier && IsRenderReady`); out to `FarRadius`, terrain publication only (`IsRenderReady`, which a Far-tier landblock satisfies through an empty spawn-adapter registration installed after its terrain upload crossed the render-thread barrier). **#280 review correction (2026-08-06):** as originally written this row asserted that property of a `PublicationKind.Far` *publication* only, which was true but not exhaustive — a landblock also reaches Far tier by Near→Far DEMOTE, and the demote's `LandblockRetirementStage.MeshReferences` left `LandblockSpawnAdapter.WantsLoaded == false` on a landblock that stays loaded and drawn, with no path that re-publishes it. Both review lenses found the same defect: one demoted member anywhere in the far ring made the gate unsatisfiable for the life of the streaming window (permanent portal-space hang, no recovery short of relog), reachable by two consecutive recalls to the same landblock with walking in between, or by a mid-hold quality-preset drop. The two routes are now genuinely equivalent — `GpuWorldState.ReleaseLandblockMeshReferences` re-asserts the empty Far registration after retiring the Near layer — rather than the predicate being taught to tolerate two meanings of "ready". Composite-texture warmup stays `NearRadius`-scoped because it is entity-scoped and Far builds carry no entities, and (same correction) its TRIGGER is scoped the same way: gating warmup on the whole widened gate serialised every composite upload behind the last outer-ring landblock, which is a hold longer than the streaming work requires. The destination reservation opens at exactly the gate's radius, since retail has one square for both. Runtime's readiness invariant is correspondingly a SHAPE check (`indoor ⇒ 0`, `outdoor ⇒ ≥1`), never a re-encoded value — Runtime does not own the graphical host's streaming configuration. Hard-recenter generations and tier-aware completion application prevent stale overlapping loads/unloads or Far/Near jobs from opening or erasing the gate; mesh upload remains separate from balanced landblock ownership. Claims beyond NumCells still take the loud unhydratable-placement path. `RuntimeWorldTransitState` owns the shared reveal generation, accepted readiness, transit correlation, and exact generation/cell-scoped host-acknowledgement suffix. `WorldRevealCoordinator` is a graphical adapter holding only App resource receipts; normalized Runtime checkpoints observe ownership without defining another readiness path. **Slice E3 refinement (2026-07-24):** the same generation now publishes an immediate `WorldGenerationQuiescence` edge: old-world drawing/spatial queries, simulation/effect clocks, reconciliation, targeting, and 3-D audio stop while retained physical teardown advances through metered cursors and destination network/UI/streaming/readiness remain live. **Slice E4 refinement (2026-07-24):** accepted render/physics/static publication may span update frames through retained exact cursors, but reveal still consumes only the completed spatial/render-ready generation; building and EnvCell snapshots remain invisible until complete and the final spatial identity swap stays observer-atomic. **Slice E5 refinement (2026-07-24):** the reveal generation owns one exact destination reservation across every typed budget dimension. Stale completion cannot consume or clear its replacement, and hydratable incomplete content is never force-revealed; portal transit retains the DAT tunnel and centered retail wait cue until readiness converges. The hold→materialize→regain-control lifecycle remains owned by `TeleportAnimSequencer`. **C4 route 3 refinement (2026-08-04):** retail places the local player IMMEDIATELY on the accepted destination Position (`SmartBox::TeleportPlayer` @0x00453910) and blocks SIMULATION on DAT prefetch (`CellManager::blocking_for_cells`; `SmartBox::UseTime` @0x00455410 runs only `CheckPrefetchStatus`) behind the portal viewport; acdream defers the PLACEMENT itself to this reveal-ready Place edge, executed by the canonical `RuntimeAcceptedPositionDriveController` portal arm (`TryExecuteAcceptedPortalArrival`). Two load-bearing notes from that route: (1) every accepted local Apply — including the portal destination Position itself — still writes the raw wire pose onto the local player's `WorldEntity` via the ordinary generic-remote-render-pose path while portal space covers the viewport (`LiveEntityNetworkUpdateController.cs`, `OwnsSteadyState` false for the local player's null route); the committed Place receipt's presentation suffix overwrites it with the resolved pose — tolerated, not suppressed, since suppressing it would be an unowned behaviour change on the ordinary local Apply path (AP-131/#275 territory). (2) The constraint-leash re-arm on a committed portal placement anchors at the RESOLVED post-placement body position (`PlayerMovementController.CommitCanonicalTeleportFrame` → `RearmConstraintLeashAtCurrentPosition`), where retail's `ConstrainTo` @0x0045418A anchors at the received WIRE destination; the two differ by at most the placement adjustment (ring search/floor snap) and the anchor is write-only downstream, so the delta is not user-observable — switching to the wire-destination anchor is a deliberately deferred decision, not adopted here. **B4 round-3 review refinement (2026-08-05):** the wait cue's trigger predicate (`LocalPlayerTeleportController.Tick`'s `placementReady = dataReady && TryAdvancePortalCommit(sequence)`, gating the cue at `haveDestination && !placementReady`) now covers a SECOND, distinct cause beyond the original streaming/DAT-readiness gate this row described: `TryAdvancePortalCommit` returning false while a DeferredCell park is outstanding or a fresh placement attempt has not yet succeeded (B1's `TryConsumePortalCommit` gate). The cue's five-second trigger and centered-tunnel behavior are unchanged (that trigger is an acdream divergence in its own right — AP-150, filed 2026-08-06); only the SET of conditions that can hold it open grew from "world data not ready" to "world data not ready OR canonical placement not yet committed" — a slow-publishing destination-landblock collision generation now presents identically to a slow asset stream, which is the correct retail-faithful degradation (both are `blocking_for_cells` causes retail itself does not distinguish), but is worth naming here since a future debugging session seeing the cue must not assume streaming is the only possible cause. | `src/AcDream.Runtime/World/RuntimeWorldTransitState.cs`; `src/AcDream.App/Streaming/WorldRevealCoordinator.cs`; `src/AcDream.App/Streaming/WorldGenerationQuiescence.cs`; `src/AcDream.App/Streaming/WorldRevealReadinessBarrier.cs`; `src/AcDream.App/Streaming/StreamingOriginRecenterCoordinator.cs`; `src/AcDream.App/Streaming/LandblockPresentationPipeline.cs`; `src/AcDream.App/Streaming/StreamingController.cs`; `src/AcDream.App/Rendering/PortalTunnelPresentation.cs`; `src/AcDream.App/UI/PortalWaitNoticeController.cs`; `src/AcDream.App/Streaming/GpuWorldState.cs` (`IsRenderReady`); `src/AcDream.App/Rendering/Wb/LandblockSpawnAdapter.cs`; `src/AcDream.Core/Physics/PhysicsEngine.cs` (`IsSpawnCellReady`, `IsNeighborhoodTerrainResident`) | This is the asynchronous equivalent of retail leaving `SmartBox::position_update_complete` false while `CellManager::blocking_for_cells` is set: neither initial login nor portal arrival may reveal or continue simulating an old/partial collision world, a terrain-only Far shell, or a published-but-not-drawable GPU landblock. Indoor does not require a terrain heightmap, only the owning render landblock and exact EnvCell. | Gate opens early → grey/untextured first login or portal reveal, free-fall, wrong-cell rooting, missing scenery, or a still-active old generation; predicate never satisfies (streamer/DAT/upload failure) → login remains behind the world render gate, while portal transit remains in the authored tunnel and presents the centered wait cue after five seconds — that five-second arming is acdream's own and is NOT retail's trigger; see AP-150. | `SmartBox::UseTime` 0x00455410; `gmSmartBoxUI::UseTime` 0x004D6E30; `gmSmartBoxUI::EndTeleportAnimation` 0x004D65A0; `LScape::PreFetchCells` 0x00505660; `LScape::SetMidRadius` 0x00504C00; `SmartBox::set_mid_radius` 0x00453180; `Render_LandscapeDrawDistance_Values` 0x007CA988 |
+| AD-1 | Lost-cell machinery replaced by recoverable outdoor demote (**#107** safety net) + outdoor-restore `max(terrainZ, z)` under-terrain lift; retail goes `GotoLostCell` | `src/AcDream.Core/Physics/PhysicsEngine.cs:553` (+ :808) | acdream has no lost-cell state machine; outdoor landcell is the recoverable equivalent; the #107 auto-entry hold should make the demote branch unreachable | Gap in the hold → player committed to outdoor terrain inside/under a building (fake-grounded spawn, fall-through); a legit below-heightmap server restore is silently lifted — upward warp vs server | `GotoLostCell` pc:283418; `SetPositionInternal` 0x00515bd0, pc:283892-283945 |
+| AD-2 | Async readiness gates replace retail's synchronous destination cell load. **#229 refinement (2026-07-20):** login and F751 portal-space exit now share `WorldRevealReadinessBarrier`, so neither path can expose the normal viewport until the same render-publication, composite-texture, and collision domains converge. A hydratable indoor claim requires its owning Near-tier static/EnvCell mesh set, destination composites, and exact EnvCell physics (`IsSpawnCellReady`); an outdoor claim requires those render domains plus terrain/collision residency for the required Near ring. Hard-recenter generations and tier-aware completion application prevent stale overlapping loads/unloads or Far/Near jobs from opening or erasing the gate; mesh upload remains separate from balanced landblock ownership. Claims beyond NumCells still take the loud unhydratable-placement path. `RuntimeWorldTransitState` owns the shared reveal generation, accepted readiness, transit correlation, and exact generation/cell-scoped host-acknowledgement suffix. `WorldRevealCoordinator` is a graphical adapter holding only App resource receipts; normalized Runtime checkpoints observe ownership without defining another readiness path. **Slice E3 refinement (2026-07-24):** the same generation now publishes an immediate `WorldGenerationQuiescence` edge: old-world drawing/spatial queries, simulation/effect clocks, reconciliation, targeting, and 3-D audio stop while retained physical teardown advances through metered cursors and destination network/UI/streaming/readiness remain live. **Slice E4 refinement (2026-07-24):** accepted render/physics/static publication may span update frames through retained exact cursors, but reveal still consumes only the completed spatial/render-ready generation; building and EnvCell snapshots remain invisible until complete and the final spatial identity swap stays observer-atomic. **Slice E5 refinement (2026-07-24):** the reveal generation owns one exact destination reservation across every typed budget dimension. Stale completion cannot consume or clear its replacement, and hydratable incomplete content is never force-revealed; portal transit retains the DAT tunnel and centered retail wait cue until readiness converges. The hold→materialize→regain-control lifecycle remains owned by `TeleportAnimSequencer`. | `src/AcDream.Runtime/World/RuntimeWorldTransitState.cs`; `src/AcDream.App/Streaming/WorldRevealCoordinator.cs`; `src/AcDream.App/Streaming/WorldGenerationQuiescence.cs`; `src/AcDream.App/Streaming/WorldRevealReadinessBarrier.cs`; `src/AcDream.App/Streaming/StreamingOriginRecenterCoordinator.cs`; `src/AcDream.App/Streaming/LandblockPresentationPipeline.cs`; `src/AcDream.App/Streaming/StreamingController.cs`; `src/AcDream.App/Rendering/PortalTunnelPresentation.cs`; `src/AcDream.App/UI/PortalWaitNoticeController.cs`; `src/AcDream.App/Streaming/GpuWorldState.cs` (`IsRenderReady`); `src/AcDream.App/Rendering/Wb/LandblockSpawnAdapter.cs`; `src/AcDream.Core/Physics/PhysicsEngine.cs` (`IsSpawnCellReady`, `IsNeighborhoodTerrainResident`) | This is the asynchronous equivalent of retail leaving `SmartBox::position_update_complete` false while `CellManager::blocking_for_cells` is set: neither initial login nor portal arrival may reveal or continue simulating an old/partial collision world, a terrain-only Far shell, or a published-but-not-drawable GPU landblock. Indoor does not require a terrain heightmap, only the owning render landblock and exact EnvCell. | Gate opens early → grey/untextured first login or portal reveal, free-fall, wrong-cell rooting, missing scenery, or a still-active old generation; predicate never satisfies (streamer/DAT/upload failure) → login remains behind the world render gate, while portal transit remains in the authored tunnel and presents the centered wait cue after five seconds. | `SmartBox::UseTime` 0x00455410; `gmSmartBoxUI::UseTime` 0x004D6E30; `gmSmartBoxUI::EndTeleportAnimation` 0x004D65A0 |
+| AD-3 | Outdoor seeds always walk the transit array (retail skips the walk when the seed CLandCell is null/unloaded); per-cell lookups no-op on unhydrated data | `src/AcDream.Core/Physics/CellTransit.cs:503` | Equivalence argument: with nothing hydrated every lookup inside the walk no-ops, so the result matches retail's skipped walk | Near partially-streamed landblocks, building-transit promotion silently can't fire until structs hydrate — membership stays outdoor while the player is inside a building | `CObjCell::find_cell_list` 0052b535-0052b56c (null-CLandCell case) |
+| AD-4 | `point_in_cell` against an unhydrated CellBSP returns false (skip) rather than the null-node "inside" default; retail never queries unloaded cells | `src/AcDream.Core/Physics/CellTransit.cs:588` | The null-node default would make an unhydrated cell spuriously claim every point; skipping is the conservative streaming-safe choice | During hydration, a point genuinely inside a not-yet-loaded cell resolves outdoor/stale — transient membership misclassification driving wrong collision set and render root | `CEnvCell::find_visible_child_cell` :311397; cell-BSP vtable[0x84] |
| AD-5 | Outdoor `point_in_cell` is an identity compare against the global XY-column cell from `LandDefs.AdjustToOutside` (no per-cell containment test) | `src/AcDream.Core/Physics/CellTransit.cs:865` | Landcells are disjoint 24 m columns — identity-compare against the column under the sphere centre is exactly equivalent to retail's per-candidate test | If block-origin/lcoord math is wrong at a landblock seam, the compare silently never matches — outdoor membership freezes at boundaries (the pre-#106 symptom) | `find_cell_list` pick pc:308788-308825; `CLandCell::point_in_cell` (get_block_offset pc:308804) |
-| ~~AD-6~~ | **RETIRED 2026-07-31 (placement/streaming Slice 3B).** Cell/cache/topology/building/static-shadow publication plus every retained non-suspended owner touching or withdrawn from the prefix is one Runtime-owned collision generation. Retained includes dynamics and adjacent-root statics; only target-root statics are superseded by the authored replacement. App and Headless build one shared off-side `CollisionWorldState` through one-work-unit preparation/capture/seal cursors. Admission captures the active root in O(1); a stable landblock/owner slot suffix materializes non-target leaves incrementally, so resident-world size cannot become a synchronous clone spike. Reusable per-prefix owner slots and one Runtime-scoped versioned journal replace event-time exact-copy fanout: repeated live mutations coalesce by owner, every draft reconciles only that owner's latest exact state one owner per seal call, discovered relevant owners receive scoped exact updates, and visited unrelated owners receive only a cheap coalesced dirty notification before metered replay. Once topology sealing finishes, observed owners temporarily write through exactly until same-call activation; the finite pre-seal queue therefore drains even under continuous multi-owner movement. New drafts start at their captured journal suffix; old slots are superseded rather than reused behind live cursors and compact through the same meter. Unrelated churn therefore never restarts or starves target capture/sealing. Deterministically ordered concurrent preparations receive committed—not merely sealed—peer deltas and rebase one cache, graph, landblock, or owner leaf per seal step; cancellation therefore cannot leak unpublished topology. Demotion/withdrawal cancels a matching queued or active rebase, suppresses the prefix in unfinished source scans, and retires one owner/cache/graph/outdoor leaf per seal call. The complete previous generation remains queryable until one zero-managed-byte volatile root transfer in the same update-thread call as final reconciliation; that preserves PhysicsDataCache, CellGraph, PhysicsEngine, and ShadowObjectRegistry facade identity, revokes staging, and requires no quiet frame. A stale admission or staging failure disposes only that private generation and cannot withdraw the active world or invalidate a newer admission. Authored same-ID target statics, live-current-cell changes, owner departure/reuse, newly relevant seam-crossing statics, and teardown remain coherent across drafts; empty per-prefix owner containers are reclaimed without invalidating captured seal cursors. The commit clears repaired withdrawal markers before its single notification/readiness acknowledgement, so no optional hydration callback can omit reflood and no observer sees mixed old/new cells. | `src/AcDream.Runtime/Physics/RuntimePhysicsState.cs` (`PrepareCollisionGeneration`, `AdvanceCollisionGenerationPreparation`, `AdvanceCollisionGenerationSeal`, `CommitCollisionGeneration`); `src/AcDream.Core/Physics/CollisionWorldState.cs`; `PhysicsDataCache.cs`; `PhysicsEngine.cs`; `ShadowObjectRegistry.cs`; `src/AcDream.App/Streaming/LandblockPhysicsPublisher.cs`; `src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs`; `tests/AcDream.Runtime.Tests/Physics/RuntimePhysicsStateTests.cs`; `tests/AcDream.App.Tests/Streaming/LandblockPhysicsPublisherTests.cs`; `tests/AcDream.Headless.Tests/HeadlessSessionHostTests.cs` | — | — | `CObjCell::init_objects` → `CPhysicsObj::recalc_cross_cells`, 0x0052b420 / 0x00515a30; `CPhysicsObj::SetPositionInternal` shadow replacement tail 0x00515330 |
-| ~~AD-10~~ | **RETIRED 2026-08-06 by deletion.** The row's justification ("remote bodies don't run a full local transition sweep") was false at HEAD: `RuntimeRemotePhysicsUpdater.Tick` calls `PhysicsEngine.ResolveWithTransition` with the remote's own body, and that sweep runs acdream's port of `CTransition::adjust_offset` once per sub-step. **(Wording corrected 2026-08-06 at the retail review, F2: this row and four other places called that port "verbatim"/"faithful". It is structurally exact BUT carries exactly two divergences, filed the same day as AD-65 and AD-66 -- so the unqualified word was false from the very next commit. It is a STRUCTURALLY EXACT port with two filed exceptions.)** So this was never a relocation of a missing mechanism — it was an EXTRA pre-sweep projection layered on top of the faithful one, against a surface retail never uses (`SampleTerrainNormal(x, y)`, an XY-only landblock lookup blind to the body's Z, its cell, buildings, EnvCells and statics). Measured before deleting: with the projection forced null at both fork sites, the production trajectory of a remote running 30 ticks down a 31-degree ramp is BIT-IDENTICAL, a 8.4-degree ramp differs by at most 2.8e-5 m in Z, and the whole `AcDream.Runtime.Tests` suite is unchanged. Deleted: both `RuntimeRemotePhysicsUpdater` sample sites, the `terrainNormal` parameter and projection block on `RemoteMotionCombiner.ComposeOffset` AND on the production-dead `ComputeOffset`, and the now-callerless `PhysicsEngine.SampleTerrainNormal`. Removing the parameter is what makes an AP-22-shaped one-site-only regression a compile error. **Noted 2026-08-06 at the retail review (F3): this redundancy measurement is CONTINGENT on AD-65 -- the two mechanisms agree today partly because both under-travel downhill. That makes this deletion a PREREQUISITE for fixing AD-65 rather than merely compatible with it: had the projection survived, correcting AdjustOffset would have re-introduced a disagreement between two live projections.** Two claims in the old row were also stale/backwards and did not survive: it described `ComposeOffset`'s guard as "interpolation-active" when the code is `if (!interpolationOverwrote ...)`, and its second cited site (`ComputeOffset` ~:163-168) had zero production callers. The roof clause was stale too — since Bug B (`204d0ae0`) the sample was gated on `OnWalkable`, and a steep roof is `OnWalkable == false`, so the path did not run on #32's geometry at all. **UNTESTED AXIS, recorded 2026-08-06 at the AD-10 architecture review: the contract's T2 -- its mandatory wrong-plane-versus-right-plane discriminator -- was dropped without record, in breach of the contract's own "record it as an untested axis rather than silently dropping it" clause. Consequence: this change's only claimed BENEFIT (a walkable NON-TERRAIN surface -- bridge, dock, dungeon ramp -- now gets the committed contact plane instead of the terrain plane far below) has ZERO automated coverage and rests on source reasoning alone. The deletion itself is measured; the benefit is not.** | `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs`; `src/AcDream.Core/Physics/RemoteMotionCombiner.cs`; `src/AcDream.Core/Physics/PhysicsEngine.cs` (deletion); `tests/AcDream.Runtime.Tests/Physics/RuntimeRemoteSlopeProjectionTests.cs`; `tests/AcDream.Runtime.Tests/Physics/RemoteRampHarness.cs` | — | — | `CTransition::adjust_offset` 0x0050a370, pc:272271-272393 (the old anchor pc:272296-272346 truncated both the sliding-normal validity gate at the head and the entire safety push-out block at the tail); per-step call from `CTransition::find_transitional_position` 0x0050bdf0 |
+| AD-6 | Per-LANDBLOCK shadow re-flood on hydration vs retail per-CELL `recalc_cross_cells` | `src/AcDream.Core/Physics/ShadowObjectRegistry.cs:339` | The streaming unit IS the landblock; one hook per hydration event covers both race directions (entity-before-cells, cells-after-spawn) | Any cell-hydration path that doesn't raise the landblock hook leaves an entity's shadow set stale — walk-through / missing collisions in just-streamed cells | `CObjCell::init_objects` → `recalc_cross_cells`, 0x0052b420 / 0x00515a30 |
+| AD-10 | Remote slope projection relocated to the queue-empty/head-reached combiner boundary; retail projects inside `CTransition::adjust_offset` during the sweep | `src/AcDream.Core/Physics/PositionManager.cs:47` | Remote bodies don't run a full local transition sweep; boundary projection removes the ~5 Hz Z staircase on slopes, no-op on flat ground | The single-point terrain-normal sample can differ from the sweep's contact plane (cell boundaries, props underfoot) — remote Z drift / stair-stepping | `CTransition::adjust_offset` pc:272296-272346 |
| ~~AD-11~~ | **RETIRED 2026-07-23** — the matching binary disproved the old nonzero interpretation: `ItemUses::IsUseable` executes `not bitfield; and eax,1`, so absent/reset zero is usable and only `USEABLE_NO` disables use. Toolbar, item policy, and world interaction now share that exact Core predicate. | `src/AcDream.Core/Items/ClientObject.cs` (`ItemUseability.IsUseable`); `src/AcDream.Core/Items/ItemInteractionPolicy.cs`; `src/AcDream.App/Interaction/WorldSelectionQuery.cs` | — | — | `ItemUses::IsUseable @ 0x004FCCC0`; matching v11.4186 instructions recorded in `docs/research/2026-07-23-retail-item-use-and-autowear-pseudocode.md` |
| AD-12 | SecondaryAttributeTable coefficients hardcoded (Health=End×0.5, Stam=End×1.0, Mana=Self×1.0) instead of dat-read; unknown attributes contribute 0 | `src/AcDream.Core/Player/LocalPlayerState.cs:279` | Coefficients never vary across retail dat versions; re-confirmed by ACE AttributeFormula.cs + holtburger; dat port can replace later | A customized portal.dat with modified vital formulas silently yields wrong max-vitals; a missing attribute snapshot underestimates max | SecondaryAttributeTable portal.dat 0x0E0..0x0E2; `CreatureVital::GetMaxValue` 0x0058F2DD |
| AD-13 | 1-second dedup window for identical system chat messages (retail has none) | `src/AcDream.Core/Chat/ChatLog.cs:29` | ACE dual-sends the same system text (0xF7E0 + 0x02EB) for back-compat; without dedup every line doubled (Phase J compromise) | Two genuinely distinct but textually identical system messages within 1 s collapse to one line where retail shows both | ACE dual-send 0xF7E0 + 0x02EB |
@@ -144,6 +93,7 @@ readiness/requeue adaptation. See
| AD-22 | Async streamed mesh loading with bounded CPU replay residency, per-frame upload budgets, and point-of-use self-heal (`EnsureLoaded` re-request in the dispatcher's mesh-missing path, **#128**); retail loads synchronously — geometry is never absent | `src/AcDream.App/Rendering/Wb/WbMeshAdapter.cs`; `src/AcDream.App/Rendering/Wb/MeshUploadCaches.cs`; `src/AcDream.App/Rendering/Wb/MeshUploadFrameBudget.cs` | Immutable preparation descriptors and the bounded CPU cache can re-stage an evicted mesh; dispatcher self-heal makes absence transient while upload budgets prevent a portal arrival from monopolizing a frame | A future consumer that neither retains an owner nor reaches the self-heal/replay path can remain invisible; under heavy admission pressure a valid mesh can pop in later than retail's synchronous path | retail synchronous content load; `docs/architecture/worldbuilder-inventory.md` portal-readiness and bounded-residency seams |
| AD-23 | Live entities with `ServerGuid != 0` and null `ParentCellId` are culled (ClipSlotCull) while indoor clip routing is active; retail objects are always cell-resident (synchronous add-to-cell at creation) | `src/AcDream.App/Rendering/Wb/WbDrawDispatcher.cs:484` | Phase U.4 policy: parentless = unresolved indoors, equivalent to retail's not-in-any-visible-cell ⇒ not drawn, *given membership resolves promptly* | An entity whose membership lags (late CreateObject hydration, resolver hiccup) blinks invisible while the player is indoors, even in plain sight | retail per-cell object lists in PView traversal |
| AD-24 | EnvCell shell geometry content-deduplicated and instanced; retail draws each CEnvCell's own structure directly | `src/AcDream.Core/Rendering/Wb/EnvCellGeometryIdentity.cs` | Phase A8 retained WB's 31× hash; the 2026-07-24 full-DAT gate proved a real collision (`0x00030175`/`0x01BC0105`), so App+Bake now share a namespaced FNV-1a tuple identity and the bake rejects any full-tuple collision | A future collision outside the installed full-DAT gate could still merge different shells at runtime; the stronger 59-bit payload makes this extremely unlikely, and every bake fails loudly rather than publishing it | retail `PView::DrawCells` → per-cell drawing_bsp (cited at the former renderer `:319`) |
+| AD-25 | **REMOTE-DR sweep only** (the player half retired 2026-07-07 by the #182 verbatim rebuild): the remote dead-reckoning post-resolve still reflects velocity with the airborne-before-AND-after suppression; retail bounces unless grounded→grounded-and-not-sledding. The PLAYER path now runs the ported `handle_all_collisions` (`PhysicsObjUpdate`) with retail's `should_reflect` rule — the micro-bounce spiral it guarded is gone (contact is committed BEFORE the reflect and the small-velocity-zero is ungated) | `src/AcDream.App/Physics/RemotePhysicsUpdater.cs` (remote sweep post-resolve, #173 block) | The remote DR sweep hasn't been rebuilt yet (it has no fsf/SetPositionInternal chain); the old airborne-only suppression keeps remote landings from micro-bouncing on the remote landing-snap gate | Remote landing-reflection behavior (slope-landing momentum) won't reproduce; retire when the remote-DR sweep gets the same UpdateObjectInternal rebuild as the player | `handle_all_collisions` pc:282699-282715; ACE PhysicsObj.cs:2656-2721 |
| AD-27 | PickUp fires on natural moveto completion via the `MoveToComplete` client-addition seam (retail's `CleanUpAndCallWeenie` contains no weenie call in this build and notifies nothing on arrival). The companion `MoveToCancelled` seam only withdraws the waiting pickup presentation/action. **Use retired 2026-07-25:** `ItemHolder::UseObject` sends `Event_UseEvent` before `CPlayerSystem::UsingItem`; acdream now does the same and leaves approach to ACE's authoritative MoveToChain. | `src/AcDream.App/Interaction/SelectionInteractionController.cs` (`OnNaturalMoveToComplete`/`OnMoveToCancelled`); `src/AcDream.App/Input/PlayerModeController.cs` (player MoveTo seam binding); `src/AcDream.Core/Physics/Motion/MoveToManager.cs` (`MoveToComplete`/`MoveToCancelled`) | ACE's server-side pickup chain may have timed out by the time our body arrives; the close-range deferred send hits ACE's WithinUseRadius fast-path. | If the server's chain has not timed out, pickup may execute twice or produce protocol noise on non-ACE servers | ACE CreateMoveToChain / WithinUseRadius; `MoveToManager::CleanUpAndCallWeenie` 00529650 §7e (no weenie call); `ItemHolder::UseObject` 0x00588A80 |
| AD-28 | Chat transcript (`UiText`) and input (`UiChatInput`) are two separate widget classes placed inside their dat-authored container panels; retail's `ChatInterface` uses a single mode-flagged `UIElement_Text` (Type-12) that switches between read and edit mode | `src/AcDream.App/UI/Layout/ChatWindowController.cs:135` (transcript) + `:150` (input) | `UIElement_Text` is inside keystone.dll with no PDB/decomp; a two-widget split is functionally equivalent (read-only scroll, editable input) and is the structural adaptation required by our UiElement architecture | A future consumer expecting a single widget for both read/write (e.g. a plugin calling the chat API and getting one widget back) must be written to the two-widget contract | `UIElement_Text` (Type-12) @ keystone.dll; `gmMainChatUI::PostInit` @0x4ce130 |
| AD-29 | `ClientObjectTable` fires global `ObjectAdded`/`ObjectUpdated`/`ObjectRemoved` events; consumers filter by guid on their end. Retail dispatches per-object via `NoticeRegistrar` observer dispatch — each UI cell observes only its specific object guid | `src/AcDream.Core/Items/ClientObjectTable.cs:48` (events); `src/AcDream.App/UI/Layout/ToolbarController.cs:115` (guid filter) | `NoticeRegistrar` is inside keystone.dll with no PDB/decomp; global broadcast + consumer-side filter is functionally equivalent for the current panel count and object volumes seen in practice | At high object counts (>1 000 objects), every `ObjectUpdated` wakes every subscribed consumer — O(n·m) notification cost instead of retail's O(1) per-observer dispatch; a consumer that forgets the guid filter processes all objects (a latent correctness bug) | `NoticeRegistrar` (keystone.dll, no PDB); retail per-object observer registration in `CObjectMaint` |
@@ -156,59 +106,15 @@ readiness/requeue adaptation. See
| AD-37 | Camera rotation state is a forward VECTOR (nlerp + normalize; roll always 0, up = world Z); retail's sought carries a full Frame and slerps quaternions (`Frame::interpolate_rotation` shortest-path slerp with 2e-4 nlerp fallback). The dead-band compares forward-vector distance against the same 2e-4 epsilon retail applies per quaternion component | `src/AcDream.App/Rendering/RetailChaseCamera.cs` (`_dampedForward`, `ApplyConvergenceSnap`) | The chase camera never rolls (heading frames are Z-up by construction), so a forward vector spans the reachable rotation space; identified (not introduced) during the #180 UpdateCamera tail reading | If a future camera mode needs roll (death cam, cutscene) the vector state can't represent it; large-angle per-frame turns nlerp (chord) vs slerp (arc) — imperceptible at 0.45-stiffness step sizes | `Frame::interpolate_rotation` 0x00535390, `Frame::close_rotation` 0x00455d70; pseudocode doc 2026-07-06-camera-sought-position |
| AD-39 | The `frames_stationary_fall` ladder + fsf≥3 UP-contact-plane manufacture runs AFTER acdream's fused LKCP-restore/contact-marking block, deriving retail's `_redo` as `cleanAdvance \|\| OnWalkable`; retail (ACE Transition.cs:1029-1061) interleaves the fsf block BETWEEN the LKCP-restore (sets `_redo`) and the contact-marking (reads the manufactured plane) (#182 rebuild, 2026-07-07) | `src/AcDream.Core/Physics/TransitionTypes.cs` (`ValidateTransition` fsf tail) | acdream deliberately fused ACE's separate LKCP-restore + contact-mark blocks (the L.2.3c/L.2.4/A6.P3 contact-retention divergences); running the ladder after them and re-marking grounding inside the manufacture branch is semantically equal (a grounded wall-slide is not a stuck-fall in either arrangement) without disturbing those hard-won fixes | If a future contact-retention change alters when OnWalkable is set relative to the ladder, `_redo` could misclassify a frame (grounded-jam mistaken for stuck-fall → spurious velocity zero, or vice-versa) — the fsf conformance tests pin the current arrangement | `CTransition::validate_transition` 0x0050aa70 pc:272625-656; ACE Transition.cs:1029-1061 |
| AD-40 | The fsf `Stationary*` transient-bit encode (fsf→0x10/0x20/0x40) lives in the Core resolve writeback (`PhysicsEngine.ResolveWithTransition`), co-located with the fsf computation; retail encodes it in `handle_all_collisions` (pc:282737-758). Also: `PhysicsBody.CachedVelocity` is computed at the player chokepoint but not yet consumed — outbound wire velocity still uses the existing `get_state_velocity` path, not retail's cached_velocity source (#182 rebuild, 2026-07-07) | `src/AcDream.Core/Physics/PhysicsEngine.cs` (writeback); `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs` (`CachedVelocity`) | Encoding in the writeback keeps the seed→ladder→writeback→seed round-trip self-contained in Core (testable without the App loop); the bit values + timing are identical to retail's (set after fsf is final, before the next resolve). CachedVelocity is faithful to carry now; routing the wire through it is a separate, unmeasured change | If a future consumer reads the Stationary* bits expecting retail's handle_all_collisions to have set them (it doesn't run in Core), the Core writeback is the source of truth; a wire-reporting change that assumes CachedVelocity is live would send the wrong velocity until it's wired | `handle_all_collisions` bit encode pc:282737-758; `get_velocity` 0x005113c0 (cached_velocity reader) |
-| AD-41 | The `candidateMoved` gate (retail UpdateObjectInternal pc:283657 `candidate != m_position`) suppresses the WHOLE SetPositionInternal-shaped commit (contact/walkable flags, HitGround/LeaveGround, `handle_all_collisions`, `cached_velocity`) on a no-move frame — narrowed 2026-07-30 (#265 bounce rework) from "only handle_all_collisions"; acdream still runs `ResolveWithTransition` (zero-distance) for cell/contact tracking, where retail skips the whole transition (#182 rebuild, 2026-07-07) | `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs` (`candidateMoved` guard) | The load-bearing effect is not re-zeroing the gravity velocity that rebuilds after a stuck-fall bleed; the zero-distance resolve is a near-no-op (numSteps 0 → the zero-step early return, no ValidateTransition, contact plane persists via the writeback), so running it is harmless while keeping acdream's per-frame cell/membership refresh | If the zero-distance resolve ever gains a side effect on a no-move frame (a contact-plane clear, an fsf change), it would diverge from retail's skip — a no-move frame must stay a near-no-op | `CPhysicsObj::UpdateObjectInternal` 0x005156b0 pc:283657 (candidate-moved gate) |
+| AD-41 | The `candidateMoved` gate (retail UpdateObjectInternal pc:283657 `candidate != m_position`) suppresses ONLY `handle_all_collisions` + `cached_velocity` on a no-move frame; acdream still runs `ResolveWithTransition` (zero-distance) for cell/contact tracking, where retail skips the whole transition (#182 rebuild, 2026-07-07) | `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs` (`candidateMoved` guard) | The load-bearing effect is not re-zeroing the gravity velocity that rebuilds after a stuck-fall bleed; the zero-distance resolve is a near-no-op (numSteps 0 → the zero-step early return, no ValidateTransition, contact plane persists via the writeback), so running it is harmless while keeping acdream's per-frame cell/membership refresh | If the zero-distance resolve ever gains a side effect on a no-move frame (a contact-plane clear, an fsf change), it would diverge from retail's skip — a no-move frame must stay a near-no-op | `CPhysicsObj::UpdateObjectInternal` 0x005156b0 pc:283657 (candidate-moved gate) |
+| AD-42 | Enter-world placement is split across two Core calls: legacy `Resolve` performs retail `AdjustPosition` + the host's established floor snap, then `ResolvePlacement` runs the verbatim object-aware `find_placement_pos` ring search. Retail runs initial environment placement, ring search, and final step-down inside one `find_placement_position` transition | `src/AcDream.App/Rendering/GameWindow.cs` (`EnterPlayerModeNow`); `src/AcDream.Core/Physics/PhysicsEngine.cs` (`ResolvePlacement`) | The first call has already committed the same validated cell/floor point that feeds the ring search; the second call uses the same sphere dimensions, collision registry, and cell id. Keeping the split preserves the proven indoor-login snap while adding the missing occupied-position behavior | A spawn that requires retail's final placement step-down after a ring candidate (rather than the existing floor snap before it) could settle at a slightly different Z on a ledge/water boundary; the overlap is still cleared | `CPhysicsObj::enter_world` 0x00516170; `CTransition::find_placement_position` 0x0050C170; `CTransition::find_placement_pos` 0x0050BA50 |
| AD-43 | A malformed/custom PhysicsScript `CallPES` cycle whose script timeline never advances is rejected with a diagnostic; retail's linked scheduler would continue draining that zero-time tail indefinitely | `src/AcDream.Core/Vfx/PhysicsScriptRunner.cs` (timeline-progress ancestry guard) | Prevents corrupt DAT content from hanging the single update/render thread. Installed-DAT audit plus conformance tests prove the real rolling-weather cycles advance 2.8 seconds per edge and continue unchanged; only a no-progress strongly connected cycle is rejected | A custom DAT that deliberately relies on an infinite zero-time loop observes a rejected play instead of freezing the client | `ScriptManager::AddScriptInternal` 0x0051B310; `ScriptManager::UpdateScripts` 0x0051B480; `CPhysicsObj::CallPES` 0x00511AF0 |
-| AD-44 | **NARROWED 2026-08-15 at Campaign LA gate round 2 (staleness caught while filing AD-99) — the opening clause was WRONG as of this session: Campaign LA's LA7/LA8 slices (landed in earlier commits on this branch) shipped a real retained `gmCharacterManagementUI`-authored character-select screen (`CharacterManagementUiController`, `RuntimeCharacterSelectionState`), and no register row was updated when they did.** What remains true: `TrySelectFirstAvailable` still deterministically picks the first active, non-greyed identity, but ONLY for headless/no-selector sessions and probe connects (LA7's no-selector flow) — a graphical session without a character selector now stops at the retained selection screen instead of auto-entering. Native-window close still performs retail's complete character-logoff handshake plus transport disconnect instead of returning to character selection; there remains no in-client path from in-world back to a live character-select screen (AD-99 documents the adjacent Exit-button gap: the screen's OWN Exit button now exists and confirms, but also closes the client rather than returning to selection). One active `ReceiverData` equivalent means `ClientNet::LogOffServer`'s per-receiver loop sends one header. | `src/AcDream.Core.Net/Messages/CharacterList.cs` (`TrySelectFirstAvailable`); `src/AcDream.Runtime/Session/LiveSessionController.cs` (`StartCore`'s `AwaitCharacterSelection` branch); `src/AcDream.App/UI/Layout/CharacterManagementUiController.cs` (the retained screen); `src/AcDream.Core.Net/WorldSession.cs` (`Dispose`); `src/AcDream.Core.Net/Packets/TransportDisconnect.cs` | Headless/probe sessions still need unattended selection (no UI to select from) — the deterministic fallback remains correct THERE. A full in-client "log off character, return to selection" flow is separate session/wire work no slice has scoped yet. | A headless/probe account with multiple playable characters still enters the first wire-order identity without an explicit choice (by design — no UI exists in that host). An eventual in-client "log off character" action still cannot reuse the process-exit path; it must retain the authenticated socket after server `0xF653` and return to character management — the graphical screen exists now, but nothing feeds it from an in-world state. | `gmCharacterManagementUI::SelectCharacter @ 0x004EC160`; `gmCharacterManagementUI::EnterGame @ 0x004ED440`; `gmCharGenMainUI::Update @ 0x004E8460`; `Proto_UI::LogOffCharacter @ 0x00546A20`; `CPlayerSystem::RequestLogOff @ 0x00562DD0`; `CPlayerSystem::ExecuteLogOff @ 0x0055D780`; `ClientNet::LogOffServer @ 0x00543EF0`; `SharedNet::SendOptionalHeader @ 0x00543160` |
+| AD-44 | acdream has no retained character-management screen: startup deterministically selects the first active, non-greyed CharacterList identity, and native-window close performs retail's complete character-logoff handshake plus transport disconnect before exiting instead of returning to character selection. One active `ReceiverData` equivalent means `ClientNet::LogOffServer`'s per-receiver loop sends one header. | `src/AcDream.Core.Net/Messages/CharacterList.cs` (`TrySelectFirstAvailable`); `src/AcDream.App/Rendering/GameWindow.cs` (live-session bootstrap, moving to `LiveSessionController` in Slice 3); `src/AcDream.Core.Net/WorldSession.cs` (`SelectCharacterForEnterWorld`, `Dispose`); `src/AcDream.Core.Net/Packets/TransportDisconnect.cs` | This preserves unattended startup and immediate ACE endpoint release while validating that the chosen identity is active/non-greyed and using the server's canonical account. A future retained character-management owner is separate UI/session work. | An account with multiple playable characters enters the first wire-order identity without retail's explicit choice. An eventual in-client "log off character" action cannot reuse the process-exit path; it must retain the authenticated socket after server `0xF653` and return to character management. | `gmCharacterManagementUI::SelectCharacter @ 0x004EC160`; `gmCharacterManagementUI::EnterGame @ 0x004ED440`; `gmCharGenMainUI::Update @ 0x004E8460`; `Proto_UI::LogOffCharacter @ 0x00546A20`; `CPlayerSystem::RequestLogOff @ 0x00562DD0`; `CPlayerSystem::ExecuteLogOff @ 0x0055D780`; `ClientNet::LogOffServer @ 0x00543EF0`; `SharedNet::SendOptionalHeader @ 0x00543160` |
| AD-45 | App teardown can overlap a newer `INSTANCE_TS` record after retiring the old active identity. `TargetManager` therefore retains the exact target host and each `TargettedVoyeurInfo` retains the exact watcher host; unsubscribe, Sticky live-target reads, inbound sender validation, and ExitWorld delivery compare/use those pointer-like tokens rather than resolving a reused GUID. Retail stores only GUIDs because `DeleteObject` finishes `exit_world`/`leave_world` while the retiring `CPhysicsObj` remains the sole object-table entry. | `src/AcDream.Core/Physics/Motion/TargetManager.cs`; `StickyManager.cs`; `TargettedVoyeurInfo.cs`; `IPhysicsObjHost` exact relationship seams | This preserves retail's effective object-pointer identity while allowing App resource teardown to fail and retry without blocking an accepted newer server generation. Ordinary `GetObjectA` remains active-record-only, so tombstones cannot accept new relationships. | If any target/voyeur path bypasses the exact token, retrying an old teardown can remove or notify a newer same-GUID relationship, or Sticky can steer toward the replacement; retained tokens also keep the small manager graph alive until teardown converges. | `CPhysicsObj::exit_world @ 0x00514E60`; `CObjectMaint::DeleteObject(CPhysicsObj*) @ 0x00508460`; `ACCObjectMaint::DeleteObject(uint) @ 0x005576F0`; `TargetManager::SetTarget @ 0x0051AC30`; `ClearTarget @ 0x0051A7E0`; `AddVoyeur @ 0x0051A830`; `RemoveVoyeur @ 0x0051AD90` |
-| AD-57 | **Re-argued from TS-24 at Campaign P P7 (2026-07-30).** Outbound `RawMotionState.Actions` is always empty at runtime. The packer emits `num_actions` + per-action pairs (L.2b, `RawMotionState::Pack` 0x0051ed10) and the R3-W1 action FIFO capability exists (`AddAction`/`RemoveAction`/`ApplyMotion`/`RemoveMotion`); no production input path ENQUEUES autonomous actions yet because the emote/autonomous-motion feature surface is unimplemented. An empty list is byte-identical to retail's own no-pending-actions state, so this is a feature gap, not a divergence of existing behavior. | packer `src/AcDream.Core.Net/Messages/RawMotionStatePacker.cs`; FIFO `src/AcDream.Core/Physics/RawMotionState.cs` | Every currently-shipped movement packet matches retail byte-shape; the gap only manifests when emote-class autonomous actions are implemented. | When emotes land, forgetting to route them through the FIFO would silently drop them from the wire. | `RawMotionState::Pack` 0x0051ed10 |
-| AD-58 | **Re-argued from TS-40 at Campaign P P7 (2026-07-30).** Retail's `physics_obj->cell` null test ("placed in the world") is proxied by the explicit `PhysicsBody.InWorld` flag — set by `SnapToCell` and `RemoteMotion` construction, consumed by `CMotionInterp`'s detached-object link-strip guards. Equivalence: every acdream body that would have a null retail cell pointer has `InWorld == false` (bodies exist only for world entities; the flag flips exactly at placement/withdrawal), so the guards fire on the same population. A structural adaptation of retail's pointer-as-state idiom to acdream's explicit-flag idiom, not scheduled debt. | `src/AcDream.Core/Physics/PhysicsBody.cs` (`InWorld`); `src/AcDream.Core/Physics/MotionInterpreter.cs` (3 guard sites) | If a future path creates a body before world placement without clearing `InWorld`, the link-strip guards misfire where retail's null-cell test would not. | `CMotionInterp` link-strip guards raw @305xxx |
-| AD-59 | **Filed 2026-08-02 (physics campaign, continuation-executor slice).** The `SameIncarnationCreate` envelope buffers one publish per committed stage and flushes them ALL, in stage order, only after the LAST stage commits (constant-true per-field predicate, `IsCurrent`-checked at flush - the per-field closure variant was invalidated by WeenieDescription's six-field `AdvanceCreateAuthority`). A subscriber sees N back-to-back events with no interleaved observation point, each carrying the FINAL merged post-envelope record state, not per-stage state. | `src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs` (`ApplyEnvelope` buffered-publish tail; `Publish`/`PublishNow`) | Retail's own tail is one synchronous critical section, and retail emits ONE notice per Create (`ECM_Physics::SendNotice_CreateObject`, fired whenever a weenie exists, independent of the physics-registration outcome) - never N per-internal-step notices. The buffered flush is closer to retail's one-signal model than per-step publication would be, though not a literal 1:1 match. | A subscriber diffing consecutive `Updated` events from the SAME envelope to isolate one stage's delta gets every stage's cumulative state on each event - silently wrong incremental-diff logic, not a crash. | `SmartBox::HandleCreateObject` 0x00454C80 same-incarnation tail (one synchronous critical section); `ACCObjectMaint::CreateObject` 0x00558870 step 11 (`ECM_Physics::SendNotice_CreateObject`) |
-| AD-60 | **Filed 2026-08-02 (physics campaign, continuation-executor slice). LEGACY HALF RETIRED 2026-08-05 (C5b, #275); row REWRITTEN rather than deleted, because wire-cell channels SURVIVE outside the merge and a silent whole-row deletion would hide them.** No Position merge commits residency any more: both the executor's `ApplyPositionAction` and the steady-state `RuntimeEntityObjectLifetime.TryApplyPosition` refresh `canonical.Snapshot.Position` with the wire pose while withholding the derived `FullCellId` (`RefreshSnapshot(..., refreshPosition: false)`; the steady-state site is the `RefreshSnapshot` call in `TryApplyPosition`, cite by symbol — the row's former `:1338` and the C5 scoping's `:1918` were both stale). Only a Runtime `SetPosition` commit or a simulation full-cell commit may change residency inside the merge. **The precise surviving claim: a wire Position never makes a record resident INSIDE THE MERGE OR AHEAD OF CLASSIFICATION.** Two steady-state wire-cell writers deliberately remain downstream of it, and are separately filed: **(W2)** the `OnPosition` prologue rebucket (`LiveEntityNetworkUpdateController` → `LiveEntityRuntime.RebucketLiveEntity` → `RuntimeEntityObjectLifetime.CommitRebucket` → `SetFullCell`), which runs for every classification reaching the generic tail and is ALSO the local player's own cell-freshness path — cross-filed at AP-146/#320, and deliberately NOT gated, since gating it would freeze the player's canonical cell between teleports and #319's child-cell equality would inherit the freeze; and **(W3)** the post-routing wire-cell adopt for non-placing arms (`TryAdoptWireCellAfterRouting`), filed at AP-135. Packets that return BEFORE W2 — the local force path, the missile arm, and (added at the C5b architecture review's D1 fix) the local `ChildUnparentDisposition` Superseded/Pending arm — are placement-receipt-authoritative for residency, or unchanged at the last commit on a refused/contended force (AD-62's shapes), which is retail's own body-keeps-its-last-placed-cell behaviour. **CORRECTED 2026-08-05 at the D1 fix: that enumeration was presented as exhaustive and was not — the ENTIRE no-window host belonged in it.** W2 and W3 both live in `AcDream.App`, and the two hosts run parallel, non-shared inbound routes (`LiveEntitySessionController`/`LiveEntityNetworkUpdateController.OnPosition` versus `RuntimeLiveEntitySessionController.OnPositionUpdated`), so `AcDream.Headless` had NO post-merge cell writer at all: every remote's `FullCellId` was written at create/placement and then frozen for the session, and the local player lost this row's own inbound-Position refresh edge (AP-146/#320). Fixed in that commit by giving the no-window route its own W2 over a NEW shared Runtime owner for the committed value, `RuntimeEntityObjectLifetime.CommitWireCellRebucket` — which also retires this row's layering inversion, since it no longer has to document itself by naming an App class its own assembly cannot reference. The no-window host has no W3 analogue and needs none: it performs no remote contact routing, so there is no post-routing arm to adopt a wire cell into. The duplicated REACHABILITY decision the fix leaves behind is filed at AD-64. **AMENDED 2026-08-05 at the C5b architecture review (finding L1/L2), with a measurement the C5b commit did not have: on the ordinary remote tail W2 and W3 are REDUNDANT, not complementary.** Sabotaging W2 alone — either making it adopt the committed cell instead of the wire cell, or skipping the rebucket outright — leaves the entire `LiveEntityNetworkOnPositionCollapseMatrixTests` file green, because W3's `RemoteMotion.CellId` write reads through to canonical `FullCellId` via `RuntimePhysicsState.CommitCanonicalCell`, whose graphical `CellCommitted` recovery also re-installs the render bucket. Only removing BOTH channels goes red, and then exactly one test does: `LiveEntityNetworkOnPositionCollapseMatrixTests.WithdrawnProjection_AcceptedPositionRestoresBucketAndWireCell`, added at that review because C5b shipped its "production installs the bucket at W2 in the same call" claim untested (the commit message's "no fixture covers pickup at that layer" was inaccurate — that file drives the real `OnPosition` at ~26 call sites). The practical consequence: this row's W2/W3 enumeration is correct as a list of surviving channels, but neither one individually is load-bearing on the remote tail, so a future change that retires one of them will not be caught by anything except that test. | `src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs` (`ApplyPositionAction`, the CANONICAL CELL SEMANTICS comment); `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs` (`TryApplyPosition`, the same comment; `CommitWireCellRebucket`, the shared committed-value owner added at the D1 fix); `src/AcDream.App/World/LiveEntityRuntime.cs` (`RebucketLiveEntity`, the graphical W2 caller); `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs` (`TryCommitAcceptedWireCell`, the no-window W2) | **Scoped claim (tightened 2026-08-05 at the C5b closeout — the former bare "Matches retail exactly" opener over-read a row whose own body documents two channels that do NOT match retail exactly).** The WITHHOLD matches retail exactly: `HandleReceivedPosition` @0x00453FD0 reads the wire `objcell_id` into a LOCAL @0x00453FE3 and never assigns the object's cell — `enter_world`/`MoveOrTeleport`'s placement commit and `SetPosition` do; also matches the classifier's documented cellless rule. C5b evidence: `RuntimeSteadyStatePositionMergeTests.AcceptedPosition_WithholdsTheWireCellAtTheMergeBoundary` (asserted at the merge boundary, never at `OnPosition` level, where W2 legitimately re-stamps), `…ConservesOneRebucketAndOneChildPropagation` (both parent classes), and `RuntimeAcceptedPositionDriveControllerTests.ContendedForcePosition_WritesNoResidencyAnywhere`; all sabotage-verified. D1-fix evidence for the no-window half: `RuntimeLiveEntitySessionControllerTests` — `AcceptedRemotePosition_AdvancesCanonicalResidencyInANoWindowHost`, `AcceptedLocalPlayerPosition_AdvancesCanonicalResidencyInANoWindowHost`, `WireCellCommit_HonoursRejection_Residence_AndTheLandblockPreserveRule`, `BoundProjectilePosition_CommitsNoWireCell_UnboundMissileDoes`; `HeadlessSessionIsolationTests.RemoteSteadyStatePositionAdvancesTheBotVisibleCell` (end to end through a real `HeadlessSessionHost`); and the two-direction `HeadlessSessionHostTests.LocalForcePosition_CommitsTheWireCellOnlyWhenTheDriveDeclined` theory, whose handled arm discriminates on a measured resolved cell (0xA9B4001C) that is neither the wire cell nor the spawn cell. Eight sabotages verified, each red on at least one of these; the shared derivation's sabotage additionally reddens the graphical `LiveEntityRuntimeTests.CanonicalOnlyRebucket_DoesNotOverwriteAuthoritativeFullCell`, which is what establishes that the extracted rule is the same rule both hosts run. | If a future change passes `refreshPosition: true` at either site, a wire Position would make a cellless canonical body resident without any placement/collision commit — the classic AP-1-shaped bug this campaign closed. Conversely, gating or deleting W2 for "symmetry" freezes the local player's canonical cell between teleports. And a host without W2 at all freezes EVERY entity's cell after its placement — the D1 defect: a bot's `RuntimeEntitySnapshot.CellId` never advances, and `RuntimeSetPositionState.IsAffectedCollisionResident` parks bodies against a landblock they left. | `SmartBox::HandleReceivedPosition` 0x00453FD0 (@0x00453FE3 the local read); `CPhysicsObj::SetPositionInternal` 0x00515BD0 → `set_cell`; `RuntimeAuthoritativePositionRouteClassifier.ClassifyAcceptedPosition` comment |
-| AD-61 | **Filed 2026-08-02 (C3c review round 1).** The #270 settle-timing compression now covers the LOCAL player: `RuntimeLocalPlayerPhysicsPublicationState.SettleFirstEntryGroundContact` runs the shared `SpawnPlacementSettler` exactly once after the dormant activation's final commit (suffix-current authority only), compressing retail's first post-`enter_world` gravity frame — which grants CONTACT/ON_WALKABLE from a real touch — into the placement transaction. The legacy App-era force-seed (`Contact\|OnWalkable\|Active` in `PlayerMovementController.SetPositionCore`) still RUNS during publication-candidate preparation and is then OVERWRITTEN by the faithful activation commit + settle (it was never deleted). Caveat (review minor M2): the settler commits `settle.Position` but discards `settle.CellId` — a settle whose few-cm sweep crosses a cell boundary keeps the placement cell until the next resolve corrects it (inherited #270 semantics; ISSUES entry filed) | `src/AcDream.Runtime/Gameplay/RuntimeLocalPlayerPhysicsPublicationState.cs` (`SettleFirstEntryGroundContact`); `src/AcDream.Core/Physics/SpawnPlacementSettler.cs` (`TrySettle`); overwritten seed `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs` (`SetPositionCore`) | Timing compression only: contact comes exclusively from the sweep's real touch (no caller-bool seeding, no forced transients), an airborne spawn stays genuinely airborne, and the overwritten force-seed leaves no observable residue past the activation commit — the committed state is exactly what retail's first gravity frame produces | A settle crossing a cell boundary reports the stale placement cell for the frames before the next resolve; a future reader trusting `SetPositionCore`'s "treat as grounded" seed comment could reintroduce the Contact-without-plane state the landing family calls unrepresentable | `CPhysicsObj::enter_world` 0x00516170; `SmartBox::HandleCreateObject` 0x00454C80 |
-| AD-62 | **Filed 2026-08-03 (C4 route 2, round 2); rewritten round 3.** General rule: an accepted local-player ForcePosition that this route does not carry through to a committed canonical placement is never re-applied. That half matches retail — `SmartBox::BlipPlayer` attempts the placement exactly once and never retries. What diverges is that acdream has non-commit outcomes retail cannot reach at all, because retail's world is fully resident and its placement synchronous. Round 3 narrowed the loss to the re-apply alone wherever the packet's placement was actually BEGUN: the retail position event now fires at that packet's terminal outcome whether or not the placement committed (`SettlePending`'s `positionEventOwed` path), matching `BlipPlayer` discarding `SetPositionSimple`'s `enum SetPositionError` and `HandleReceivedPosition` acking unconditionally @0x00454091. Shapes losing ONLY the re-apply: (i) the destination landblock's collision generation is unpublished so the placement parks (`DeferredCell`) and is then retired by a non-position cause (collision-generation retirement, the lost-cell deadline, `ParkCollisionResidents`) with the accepted authority unmoved — the funnel's EQUAL branch; (ii) the same park superseded by a newer ordinary `Apply` Position which now owns the pose — the ADVANCED+ordinary branch; (iii) any OTHER `PositionAuthorityVersion` advance moving the record out from under the funnel's re-issue test — `TryApplyPickup` (`RuntimeEntityObjectLifetime.cs:1116`), `CommitPositionChannelUpdate` (`:2041`), `AdvanceCreateAuthority` (`:2466`) — effectively unreachable for a live local player, but they fail silently in the same direction and the funnel cannot tell them from (ii). Shapes still losing BOTH the re-apply and the ack because no placement was ever begun for that packet: (iv) a `Contention` whose blocking operation is EXTERNAL to this drive (a concurrent portal/teleport placement owns the entity) — nothing is recorded in `_pending`, so nothing pumps it and the packet is dropped outright; (vi) a re-issue retry marker whose re-issue never manages to begin before the funnel clears it. Losing BOTH for a DIFFERENT reason — the placement WAS begun, but the descriptor was displaced before reaching its own terminal settle: (v) a packet superseded by a newer force whose own placement begins cleanly — `SettlePending` opens by nulling `_pending` without reading it, so the older descriptor's owed ack is discarded. Replaying it would be worse than losing it (a stale-sequence report carrying the newer packet's committed pose), and the displacing packet always acks, so ACE always receives a report for the newest force. The `DeferredCell` park is NOT a precondition of this row: shapes (iv)-(vi) never park. In every shape the body stays where the last successful placement left it and the next accepted Position (ACE broadcasts at 5-10 Hz) carries the corrected pose forward. | `src/AcDream.Runtime/Session/RuntimeAcceptedPositionDriveController.cs` (`SettlePending` — the single terminal-outcome funnel: its `positionEventOwed` ack and its two non-reissuing branches; and `TryExecuteAcceptedLocalPosition`'s `Contention` return) | Retail has no park and no external placement authority: `SmartBox::BlipPlayer` runs synchronously against a fully resident world, so "arrived but not yet placeable" and "another placement owns this entity" are both unrepresentable there. Those are our async collision-publication and single-placement-authority adaptations. Re-issuing a retired force instead would be worse than not: shape (ii) would stamp the force route's `Teleport\|Slide` flags and an unconditional ack onto an ordinary echo's pose while skipping the `ConstrainTo` the ordinary branch runs (`RuntimeAuthoritativePositionRouteClassifier.cs:368-388`), and shape (i) can re-issue into the same persistent cancellation cause indefinitely. The drive still owns at most one in-flight placement and still re-issues whenever the newest accepted event IS a still-unserved ForcePosition. | A server correction whose destination collision is slow to publish, or which lands while another placement authority owns the entity, can be silently skipped: the player stays at the pre-correction pose for one broadcast interval (~100-200 ms). Sustained (a slow-publishing destination correcting repeatedly) this reads as rubber-banding that does not take. In shapes (iv)-(vi) ACE additionally receives one fewer `AutonomousPosition` than retail would have sent, so the server cannot tell its force was not applied. | `SmartBox::HandleReceivedPosition` @0x00453FD0 FORCE_POSITION branch (`SendPositionEvent` @0x00454091, early return @0x0045409D); `SmartBox::BlipPlayer` @0x00453940 (discards the error, returns void); `CPhysicsObj::SetPositionSimple` @0x005162B0 (returns `enum SetPositionError`; other callers test `== OK_SPE` @0x0055605D/@0x00556021); `CommandInterpreter::SendPositionEvent` @0x006B4770 |
-| AD-63 | **Filed 2026-08-04 (cancelled-park presentation rollback).** When a cancelled restorable park is rolled back, the entity's presentation is restored EXCEPT the player's selection. `ParkDeferred`'s Withdraw receipt makes the host sink clear the selection if the parked entity was the selected object (`_clearSelectionForUnavailableEntity`), and the `WithdrawalRestored` receipt that rolls that withdrawal back deliberately does not re-select it. Every other registration the withdrawal removed — the graphical bucket, projection visibility, plugin world state, the world-event replay set, the effect-pose registry, the local-player shadow, the presentation visibility sinks — IS restored exactly. | `src/AcDream.App/World/RuntimePlacementPresentationSink.cs` (`TryApplyWithdrawalRestoration` vs `TryPublishWithdrawal`'s `_clearSelectionForUnavailableEntity` call) | Selection is user intent, not a projection registration. Retail clears the selection when its target becomes unavailable (`SelectionChangeReason.SelectedObjectRemoved` is acdream's name for the same edge) and never re-selects on the object's behalf; re-selecting here would invent input the player did not give. Retail also cannot reach this state at all — it has no cancel for a lost-cell park (AP-136) — so there is no retail behaviour to match, only two acdream choices, and "do not act for the player" is the conservative one. | The player loses their target for the ~150 ms park window if the selected object happened to park, and must re-click it. No other state is affected: the object is visible, on the radar, collidable, and assessable again as soon as the restoration receipt drains. Retire together with AP-136 by making the park survive cancellation (issue #309), which removes the withdrawal — and therefore the selection clear — entirely. | AP-136 (the park rollback this rides on); no retail anchor — retail has no cancellable lost-cell park |
-| AD-64 | **Filed 2026-08-05 at the C5b architecture review's D1 fix.** The graphical and no-window hosts run parallel, non-shared inbound entity routes — `LiveEntitySessionController` → `LiveEntityNetworkUpdateController.OnPosition` versus `RuntimeLiveEntitySessionController.OnPositionUpdated` — and AD-60's W2 wire-cell commit is therefore expressed TWICE. The committed VALUE is shared exactly (one owner, `RuntimeEntityObjectLifetime.CommitWireCellRebucket`, including the landblock-vs-cell preserve branch); what is duplicated is the REACHABILITY decision — which packets may reach it. The graphical host encodes that decision implicitly, as the set of early returns strewn through a 400-line `OnPosition` (authority gate on `Rejected`, the local force arm on every drive status except `NotApplicable`, the missile arm, the `ChildUnparentDisposition` Superseded/Pending arm, the initial-create residence gate inside `RebucketLiveEntity`). The no-window host encodes it explicitly, in one method, `TryCommitAcceptedWireCell`, whose gates were derived from those returns one by one. Two of the graphical gates have no no-window analogue and are deliberately absent rather than reproduced: the `ChildUnparentDisposition` arm is presentation recovery this host does not perform, and the residence gate's `MaterializationResidence is AwaitRuntimePlacement` half is App presentation bookkeeping whose no-window equivalent is unconditionally true for a residence-backed record. **CORRECTED 2026-08-05 at the C5b closeout (architecture finding L-B): "deliberately absent" was presented as the complete list of differences and it was not — there are three more, and the row's own "derived from those returns one by one" phrasing was the claim that made them invisible.** (a) **The residence gate is WEAKER than the merge's own.** Both hosts' wire-cell commits gate on `TryGetInitialCreateResidence` (= `RuntimeInitialCreateResidenceState.TryGetCurrent`), while `RuntimeEntityObjectLifetime.TryApplyPosition`'s FIFO enqueue branch gates on `TryGetPendingInitialResidence` (= `TryGetTransaction` = `TryGetCurrent` OR a completed-but-unretired lease, `RuntimeInitialCreateResidenceState.cs:729-748`). In that window the merge enqueues the packet as a continuation while the commit reads "no residence" and writes the wire cell AHEAD of the continuation that will replay it. Host-symmetric and pre-existing — the graphical `RebucketLiveEntity` has the identical pair — but this row previously claimed the `AwaitRuntimePlacement` half was the only deliberately-absent piece of the residence gate, which is false. (b) **The missile gates are two different expressions.** The graphical route PREFERS `earlyRemoteRoute.OperationKind is RuntimeSetPositionOperationKind.ProjectileAuthoritative` and falls back to the `Missile`-flag / bound-projectile conjunction only when the classification is null; the no-window route ALWAYS uses the conjunction, because it classifies nothing for a remote. They agree today (the conjunction is what the classifier's own projectile test is built from), but they are separately maintained and only the conjunction is reachable on one side — a change to the classifier's projectile predicate moves one host and not the other. (c) **The pre-merge PAYLOAD gate was absent entirely, and is now present.** The graphical route validates the wire payload before the merge (`LiveEntityNetworkUpdateController.OnPosition`'s `payloadIsValid` from `ProjectileController.CanAcceptPositionPayload` — despite the name, not projectile-scoped; it runs for every guid — consumed by `LiveEntityInboundAuthorityGate.TryAcceptPosition`'s `!payloadIsValid` return). The no-window route had no equivalent, so since D1 an unvalidated `update.Position.LandblockId` reached `CommitWireCellRebucket`, whose own doc calls `0` "the withdrawal shape" (cell 0 + landblock 0) — silently de-residencing the entity in the exact field `RuntimeEntityObjectViews.Snapshot` hands every bot as `CellId` and `RuntimeSetPositionState.IsAffectedCollisionResident` reads. Fixed at the closeout by applying the same predicate at the same point: `RuntimeAuthoritativePositionRouteClassifier.IsValidCreateWirePosition` plus the finite-velocity term, the pair `RuntimeEntityObjectLifetime.TryApplyPosition` already applies on its initial-residence branch. Rejecting BEFORE the merge (not merely before the commit) is what makes the hosts symmetric — neither lets an invalid payload advance the timestamp gate — and is pinned by `RuntimeLiveEntitySessionControllerTests.InvalidPositionPayload_IsRefusedBeforeTheMerge_InANoWindowHost`, sabotage-verified in both directions (gate removed -> red at the withdrawal-shape assertion; gate moved to guard only the commit -> red at the pose assertion). The no-window host also has no W3 (`TryAdoptWireCellAfterRouting`) analogue and needs none — it performs no remote contact routing at all. | `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` (`OnPosition`, the implicit gate set); `src/AcDream.App/World/LiveEntityRuntime.cs` (`RebucketLiveEntity`'s residence early return); `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs` (`TryCommitAcceptedWireCell`, `IsMissilePacket`) | Retail has one client and therefore one route; there is no retail shape to match, only acdream's own two-host structure. The alternative — unifying the two session controllers so the decision exists once — is the genuinely correct fix and is filed as issue #324, but it is campaign-sized: it has to reconcile presentation recovery, hydration, the equipped-child renderer, and the remote routing arms that only one of the two hosts has. Duplicating a small, individually test-gated decision is the cheaper correct thing meanwhile; duplicating it SILENTLY, which is what the pre-D1 state amounted to (one host simply had none of it), is what this row exists to stop. | The two decisions can drift: a future change to one host's reachability rules will not be caught by the other host's tests. Concretely, if the graphical route later adds an early return, the no-window host keeps committing on that packet shape, and vice versa. Bounded by the eight-sabotage gate the D1 fix left behind, plus the closeout's ninth (the payload gate, red in both directions) — every arm of `TryCommitAcceptedWireCell` and both directions of the force rule are individually red-verified — so drift shows up as a test that must be deliberately changed, not as a silent divergence. **That bound does NOT cover the three differences added at the closeout**: the weaker residence predicate (a) and the missile-expression split (b) have no discriminating test on either side, because in both cases the two hosts currently AGREE and the divergence is structural rather than behavioural. They are recorded here precisely because nothing else will catch them. Retire with #324. | No retail anchor — acdream-only host-structure deviation. Adjacent rows: AD-60 (the W2/W3 channel list), AP-146/#320 (the local player's cell edges) |
-| ~~AD-65~~ | **RETIRED 2026-08-07 (Campaign S S4), USER-PASSED the same morning** ("Slopes feels good" at the downhill/diagonal/jump-landing gate). `Transition.AdjustOffset`'s away-from-plane arm now performs retail's `Plane::snap_to_plane` @0x00509c50 semantics verbatim: XY preserved, Z re-solved as `-(x*Nx + y*Ny)/Nz`, no-op under the 0.000199999995f |N.z| epsilon — replacing the orthogonal projection whose cos²θ downhill XY shortfall this row recorded (25% at 30°, 50% at 45°). Branch polarity ported from the `test ah,0x41` idiom at 0x0050a4fa: into-plane subtracts, away-from-plane snaps. Conformance: `S4AdjustOffsetConformanceTests` exact-value rows, sabotage-verified (the re-instated projection reproduces exactly the recorded cos²30° = 0.75 shrinkage). NOTE: the SIBLING row AD-66 was byte-re-confirmed but its landing was WITHHELD the same night — see issue #341. Original text: **Filed 2026-08-06 (found while retiring AD-10; NOT fixed here).** `Transition.AdjustOffset`'s `collisionAngle > 0` arm — the body moving AWAY from its contact plane — substitutes `result -= N * collisionAngle` for retail's `Plane::snap_to_plane` call, making the `if` and the `else` arms byte-identical. Retail's two arms are genuinely different: `snap_to_plane` (0x00509c50) writes ONLY `v.z = -(v.x*N.x + v.y*N.y) / N.z` and leaves X and Y untouched, while the into-plane arm subtracts the full normal component. So for a horizontal step of length d on a slope of angle theta, retail DESCENDS with XY preserved at d and Z dropping d*tan(theta) (speed along the plane d/cos theta), whereas acdream shrinks XY to d*cos^2(theta) (speed along the plane d*cos theta). acdream therefore descends slopes SLOWER than retail by cos^2(theta) in XY: **25% slow at 30 degrees, 50% at 45 degrees**. **MAGNITUDE CORRECTED 2026-08-06 at the AD-10 retail review (F1): this row first said 13%/29%, which is 1-cos(theta) -- the wrong formula for its own stated cos^2(theta) factor, and half the true value.** The correction is confirmed by measurement, not just algebra: #331's probe records 0.0735 m travelled for a 0.1 m request at 30.96 degrees, i.e. 26.5% short, which is exactly cos^2(30.96). This matters because the row is a LEAD for #269's slope-slide residual -- at the understated magnitude the lead reads as marginal and could be dismissed. Uphill (`collisionAngle <= 0`) is correct and identical to retail. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`AdjustOffset`, the `else` arm commented "Moving away from contact plane: snap to plane surface" — the comment names snap_to_plane but the code does not call it) | Not justified — this is an unexamined substitution, not a decision. It is filed rather than fixed because it changes LOCAL-PLAYER movement feel and so needs its own visual gate; folding it into a remote-movement change would put a local-player regression behind the wrong acceptance test. | Downhill locomotion is 25-50% slow in XY across the walkable slope range (corrected 2026-08-06; was understated as 13-29%), for every mover that runs the sweep (local player, remotes, projectiles). **Recorded as a LEAD, not a diagnosis, for the open #269 slope-slide feel residual** (Campaign P): the direction is right (downhill-only, XY-shortening) but nothing here establishes causation, and #269 still needs its live cdb A/B. Note #269's friction and jump chains are byte-exonerated and must not be re-audited; `adjust_offset` is a different function and is not covered by that do-not-retry. | `CTransition::adjust_offset` 0x0050a370, pc:272271-272393; the branch at `0050a4fa fcomp [0x795344]` / `0050a502 test ah,0x41` / `0050a505 jne 0x50a515` — disassembled from the PDB-paired v11.4186 binary (GUID 9e847e2f-777c-4bd9-886c-22256bb87f32), 0x795344 = 0.0f (bytes 00000000). FPU C0 is "less" and C3 is "equal", so `jne` on `ah & 0x41` takes the SUBTRACT branch at 0x50a515 when `cAngle <= 0` and falls through to `call 0x509c50` (`Plane::snap_to_plane`, pc:271852) when `cAngle > 0`. Binary Ninja renders all four comparisons in this function as the `fnstsw`/`test ah` mush and cannot be read for direction. |
-| ~~AD-66~~ | **RETIRED 2026-08-08 (third reland, ten-run gate PASSED 10/10 bit-identical 0x42667451).** `AdjustOffset`'s push-out now uses the BARE radius in trigger and numerator per the byte anchors (0050a5c4/0050a5dc). The mechanism is PLANT-THEN-LIFT: `validate_walkable` plants at perpendicular r*N.z (byte-faithful, untouched), the push lifts once per settle to tangent equilibrium dist=r where it goes quiet — the retail slope hover, arriving via the push. The historical #341 measurement flip that blocked two prior relands is recorded as unexplained-but-unreproducible (37/37 + 10/10 bit-identical across hostile shapes and tiering configs). AD-69's seam-frame correction was deliberately NOT bundled and stays active as its own follow-up. User slope gate PASSED 2026-08-08 ("Yes works fine"). **LANDING WITHHELD 2026-08-07 (Campaign S S4) — the row stays ACTIVE and its byte evidence is now DOUBLE-confirmed.** The bare-radius port was implemented, conformance-tested, and then PULLED: it collides with the #331 absorb characterization pin through a measurement that contradicted itself (the same clean-room binaries measured both a one-time resting lift and an exact latch, flipping with nothing but the test's post-tick assert shape). Issue #341 carries the observation matrix and the apparatus plan; the two exact-value conformance tests are [Skip]-ed in the tree awaiting the relanding. Do not re-derive the bytes — they were never the question. **Filed 2026-08-06 (found while retiring AD-10; NOT fixed here).** `Transition.AdjustOffset`'s safety push-out substitutes `naturalRestingDist = radius * ContactPlane.Normal.Z` for retail's bare `radius` in BOTH the trigger comparison and the `zDist` numerator. The substitution is deliberate and carries a written rationale in the code (the LocalSphere origin sits at (0, 0, radius) along WORLD Z, so a sphere resting on a tilted plane is `radius * N.z` from it, and the bare threshold would fire spuriously on every slope and lift the feet by r*(sec theta - 1) — 7 cm at 30 degrees, 48 cm at 60). The rationale may well be correct. What is missing is the register row: an intentional deviation from a byte-confirmed retail constant with no row is precisely what this register exists to catch, and the code comment's claim that "ACE and the published pseudocode have the original threshold" understates it — the retail BINARY has it. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`AdjustOffset`, the `ci.ContactPlaneCellId != 0 && !ci.ContactPlaneIsWater` block) | Argued at length in the code comment and empirically motivated (the uncorrected threshold reportedly broke ValidateWalkable's contact check on steep slopes and flickered the Falling animation while running uphill). Filed to make the deviation auditable, not to assert it is wrong. | If the sphere-origin premise is mistaken, the push-out under-fires on slopes and a genuinely penetrating sphere is left below its contact plane. Conversely, if the premise is right, retail itself has the spurious lift and acdream is deliberately smoother than retail on slopes — a feel divergence in the same family as, and possibly interacting with, AD-65 and #269. | `CTransition::adjust_offset` 0x0050a370; disassembled from the PDB-paired v11.4186 binary: `0050a5c4 fld [ecx+0xc]` loads the bare `global_sphere->radius` and `0050a5c7 fsub [0x7c6878]` subtracts 0.00019999999494757503f (bytes 17b75139) for the trigger; `0050a5dc fsubr [ecx+0xc]` reloads the bare radius for the numerator before `0050a5df fdiv [esi+8]` divides by `contact_plane.N.z`. Neither site multiplies by N.z. |
-| AD-67 | **Filed 2026-08-07 at the #32 closeout.** The narrowed `CollisionInfo.SetContactPlane` still writes `ContactPlaneCellId`, which retail's `COLLISIONINFO::set_contact_plane` @0x00509d80 does not — retail writes the cell id only in `CTransition::init_contact_plane` (@0x0050e8ca). Kept deliberately at the #32 fix on the research doc's own advice: acdream's consumers (the `[support]` probe's provenance, water-plane bookkeeping, `AdjustOffset`'s `ContactPlaneCellId != 0` gate) rely on the cell id being current per contact write, and retail's equivalent state travels a different route the port has not needed. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`SetContactPlane`, the `ContactPlaneCellId = cellId` line) | The #32 fix removed the four LAST-KNOWN writes — the defect — and deliberately did not also change this contact-group field in the same commit; two behaviour changes in one fix would have made the user's cliff gate ambiguous. | A consumer that assumes the cell id changes ONLY at transition seed time (retail's timing) would observe it changing per contact write instead. No such consumer is known; `AdjustOffset`'s gate wants the current value. | `COLLISIONINFO::set_contact_plane` 0x00509d80 (22 bytes, no cell-id write); `CTransition::init_contact_plane` 0x0050e850 (cell id at 0x0050e8ca) |
-| AD-68 | **Filed 2026-08-07 at the #338 closure.** During an entity's ASYNC-RESIDENCY window — its flat Setup collision not yet resident — `LiveEntityMotionRuntimeController.GetSetupMoverShape` returns a placeholder mover shape: empty sphere list (falling back to the legacy 0.48/1.835 capsule reconstruction) and step heights **0.4/0.4**, values that appear nowhere in retail (authored human values are 0.600/1.500; retail's not-on-walkable fallback is 0.04). The local player has the same window between controller construction (0.4f defaults) and the publication candidate's adoption. Retail loads Setups synchronously and has no such window at all. Measured scale: 358 placeholder resolves vs 111,248 authored-pair resolves across one long session — seconds per entity, once. | `src/AcDream.App/Physics/LiveEntityMotionRuntimeController.cs` (`GetSetupMoverShape`, the `setup is null` and `<= 0f` arms); `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs` (0.4f field defaults, adopted-over at publication) | An adaptation to async residency, not a wiring defect — #338's live probe proved prepare/publish/resolve all carry the authored values in steady state. Left as-is deliberately: shrinking the window is streaming work, not physics work. | A remote moving DURING its residency window steps 0.4 instead of its authored heights, and collides as a capsule instead of its sphere list — briefly, once per entity. If a future report says "an NPC stumbled on a stair right as it appeared", this row is the first suspect. | `CTransition::step_up` 0x0050b610 (0.04 fallback at 0x0050b655); `CPartArray::GetStepUpHeight` 0x005180d0; issue #338 |
-| AD-69 | **Filed 2026-08-07 at the S4 pseudocode pass (implementer finding, verified against the decomp).** `Transition.AdjustOffset`'s safety push-out computes `dist` WITHOUT the cell-relative correction retail applies: retail's `adjust_offset` (and ACE's port, independently) run the sphere centre through `LandDefs::get_block_offset` against the contact plane's own cell before the plane-distance dot, so a contact plane owned by a DIFFERENT landblock than the mover's current cell measures in the plane's frame. acdream dots the raw world-space centre against the stored plane. Same-landblock contact (the overwhelming case) is identical; a landblock-SEAM contact measures dist offset by the block delta, mis-firing or mis-suppressing the push-out at seams. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`AdjustOffset`, the dist computation ahead of the push-out block) | Discovered during S4 but deliberately not folded in: S4's own AD-66 half was withheld the same night (#341), and a third change in the same block would have made the anomaly investigation unattributable. Fix alongside the AD-66 relanding. | A mover resting on a contact plane owned by the neighbouring landblock (seam walking) gets a push-out computed against a dist that is wrong by the block offset — either a spurious lift or a missed penetration correction, exactly at landblock seams, the #176/#177 symptom neighbourhood. | `CTransition::adjust_offset` 0x0050a370 (pc:272271-272393); `LandDefs::get_block_offset`; ACE `Transition.AdjustOffset` (cross-check); issue #341 (sequencing) |
-| ~~AD-70~~ | **RETIRED 2026-08-08 (same day, round-2 cdb capture): the row described retail behavior, not a divergence.** Retail's glide alternates exactly as ours does — the capture measured ~1.5 edge_slide entries per find_transitional_position during the glide (the alternation's exact signature: 3 on the arming tick, 0 on the moving tick), lockstep cliff_slide, step_down at 2.5x, and identical stack paths; cliff_slide's bytes match our port and ACE's. The 'retail redirects within the tick' inference misread round-1's set_sliding_normal cadence (per-event, not per-tick). Issue #347 closed without a code change. **Filed 2026-08-08 with the #345 fix.** Our steep-slope glide alternates: the edge-family arming tick absorbs the request (zero yield) and only the next tick's `AdjustOffset` pre-projection moves, then the clean move clears the sliding normal — a strict two-tick cycle. Retail redirects WITHIN the tick (`edge_slide`/`cliff_slide` 594 each over a ~15 s live glide — every 30 Hz tick, lockstep with `set_sliding_normal` 538) and yields motion every tick. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`EdgeSlideAfterStepDownFailed` + the insert's post-constraint continuation) | The #345 landing deliberately touched only `validate_walkable`'s return scoping; the response bodies were freshly user-gated (Campaign S) and AD-66 had just relanded in the same block. | Gliding along a too-steep face at ~half retail's lateral speed; direction and angle-scaling correct. Visible as "slides but slower than retail" in a side-by-side. | `345-retail-glide.cdb.log` counters; `Issue345SteepSlopeGlideTests` tick trace; issue #347 |
-| AD-71 | **Filed 2026-08-08 (reviewer finding on the #345 fix).** `ValidateWalkable`'s walkable test uses the MUTABLE `sp.WalkableAllowance` where retail's `validate_walkable` calls `CPhysicsObj::is_valid_walkable` @0x0050f530 — a FIXED global threshold (N.z >= [0x8ede5c], the walkable constant; the function reads no object state). Several code paths write `WalkableAllowance = LandingZ` (0.0871557 — TransitionTypes.cs:1688,2264, BSPQuery.cs:2330, FlatBspQuery.cs:2085) and `ClearWalkable()` does not restore it, so a stale-permissive value entering a grounded `!StepDown && OnWalkable` validate makes the guard PASS where retail's fails. Every override is permissive, so the #345 fix cannot REGRESS through this path — but for planes with N.z in (0.0872, 0.6642) a stale allowance leaves the old Adjusted-without-push dead loop reachable. The #345 landing GREW this row's blast radius: the operand now gates the return value (OK vs Adjusted), not merely the push (reviewer B, 2026-08-08). Also folds in: our `FloorZ = 0.6642f` vs ACE's 0.66417414f flips OK/Adjusted in a ~0.002-degree band. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`ValidateWalkable`, the `walkable` guard operand) | Deliberately not folded into the #345 landing: the allowance plumbing is shared with the step-down family and needs its own conformance pass over every WalkableAllowance write/restore site. | A too-steep plane between LandingZ and FloorZ validated right after a placement/landing path that left the allowance permissive: the guard pushes+Adjusts where retail returns OK — the #345 stop, in a narrower band. | capstone decode of 0x0050f530 (reviewer A, 2026-08-08); `docs/research/2026-08-08-345-d0-branch-pin.md` flagged-secondary section |
-| AD-72 | **Filed 2026-08-07, Slice 5.3 review corrections (fix 6).** `VendorPricing.BuyPrice`/`SellPrice` compute `rate * perUnitValue * quantity` at C# `double` (64-bit); retail's `ShopSystem::BuyPrice`/`SellPrice` (`0x006B6120`/`0x006B6180`) run the same multiply at x87 `long double` (80-bit extended) — the same narrowing class AD-33 already recorded for `CSequence.FrameNumber`. | `src/AcDream.Core/Items/VendorPricing.cs` (`BuyPrice`/`SellPrice`, the `double raw = (double)rate * perUnitValue * quantity;` line) | `double` is the widest floating-point type available in C# (no 80-bit extended type exists in .NET). The port keeps retail's literal `± 0.1` margin ahead of the floor()/ceil() (see the type's own doc comment) — many orders of magnitude larger than any float/double precision gap at realistic AC item-value magnitudes (rate/value/quantity products in the tens-of-thousands range at most), so the margin absorbs the narrowing before it can move the floor()/ceil() result. | A price computed at a pathological value/rate/quantity combination landing within a double-ULP of the 0.1 margin boundary could floor/ceil to a different integer than retail's 80-bit compute would. No known installed vendor data approaches this boundary. | `ShopSystem::BuyPrice`/`SellPrice` `docs/research/named-retail/acclient_2013_pseudo_c.txt:702082-702128`, `0x006B6120`/`0x006B6180`; AD-33 (same narrowing class, `CSequence.FrameNumber`) |
-| AD-110 | **Filed 2026-08-17 at the entry/exit presentation round (the in-world logoff port).** Retail's return-to-character-select runs on TWO independent inbound edges: the opcode-only `0xF653` echo runs `CPlayerSystem::ExecuteLogOff @0x0055D780` (world teardown, logon connection kept, `Proto_UI::SetEventCounter(0) @0x00541E79`), and the fresh CharacterList in the same server batch drives the UI-mode swap (`gmGamePlayUI::Update @0x004E9CD0` → `QueueUIMode(0x1000000a)`); retail's wormhole would also advance Tunnel → TunnelContinue via `EndTeleportAnimation @0x004D65A0` when the SmartBox loses its player. acdream composes both edges into ONE atomic handoff transaction keyed on the observed `0xF653` confirmation (`LocalPlayerTeleportController.CompleteLogoutHandoff` → `LiveSessionController.CompleteCharacterLogOff`: routes disposed, world generation reset, `WorldSession.ReturnToCharacterSelect`, fresh generation re-bound, roster re-applied from the SAME pushed CharacterList), and its sequencer HOLDS in Tunnel (`worldReady` pinned false) instead of modeling the TunnelContinue advance. Presentationally identical on ACE's timing (confirmation ≥6 s > the 5 s tunnel arrival; the swap always preempts retail's TunnelContinue window and its exit cue on both clients). | `src/AcDream.App/Streaming/LocalPlayerTeleportController.cs` (`TickLogout`, `CompleteLogoutHandoff`); `src/AcDream.Runtime/Session/LiveSessionController.cs` (`CompleteCharacterLogOffCore`) | A split two-edge port would let the UI swap race the world teardown across two frames with no owner; the composed transaction preserves the observable ordering (tunnel up → char select shows → world gone) atomically under the session gate, and ACE's fixed ≥6 s confirmation floor makes the TunnelContinue window unreachable anyway. | If a server ever confirmed the logoff in under ~5 s, retail would swap during WorldFadeOut/TunnelFadeIn while acdream would too (immediate handoff) — same visible result; a server that DELAYED the CharacterList long after the 0xF653 echo would show retail sitting on an empty world and acdream sitting in the tunnel until the composed handoff (which waits for neither — it uses the batch-pushed roster cache). | `gmSmartBoxUI::UseTime @0x004D6E30` (logout begin @0x004D6E83, enter cue @0x004D638E); `CPlayerSystem::RequestLogOff @0x00562DD0`; `ExecuteLogOff @0x0055D780`; ACE `Session.cs:249-278` (`SendFinalLogOffMessages`); `LocalPlayerTeleportControllerTests` logout tests |
-| AD-75 | **Filed 2026-08-11 at Campaign OP slice OP3 (D5).** Urgent Assistance (`0x10000206`) and Report Abuse (`0x10000207`) never call `ShellExecuteA` against `http://support.turbine.com/ics/support/ticketnewwizard.asp?style=classic` — the endpoint is dead in 2026. Each button instead ALWAYS emits its own byte-verified retail failure body (the `ShellExecuteA`-failure `MessageBoxA` text, `(Error code %d)` dropped since no real Win32 error ever occurs, the URL kept verbatim) through the interface-text seam (`RetailLogTextType.ClientLocal`) instead of a native `MessageBoxA` popup. | `src/AcDream.Core/Chat/OptionsPanelText.cs` (`UrgentAssistanceUnavailable`/`ReportAbuseUnavailable`); `src/AcDream.App/UI/Layout/OptionsPanelController.cs` (button wiring) | The URL genuinely does not resolve to a live Turbine support endpoint; attempting `ShellExecuteA` would open a browser to a dead page rather than usefully fail. The retained failure TEXT is retail's own (byte-verified), just always shown instead of conditionally on a real launch failure, and routed to acdream's existing interface-text channel rather than a modal OS dialog (retail's own EoR-era mechanism has no acdream analogue for a one-off native `MessageBoxA`). | If Turbine ever revives the endpoint, both buttons would still short-circuit instead of opening it — a silent staleness, not a crash. | `gmGameplayOptionsUI::ListenToElementMessage @0x0049E110`; `ShellExecuteA` call sites `0x0049E154`/`0x0049E1F0`; research doc `2026-08-10-keyboard-config-and-gameplay-tab.md` §4.1/§4.2 |
-| AD-76 | **Filed 2026-08-11 at Campaign OP slice OP3 (D5).** In-Game Help Files (`0x10000205`) is authored and clickable but has no handler — clicking it does nothing visible. | `src/AcDream.App/UI/Layout/OptionsPanelController.cs` (button wiring — no callback bound) | Retail's own `KeyStone::OpenHelp` loads a third-party embedded help viewer (`plugins\ACHelpPlugin.dll` via `keystone.dll`) that acdream does not have and cannot port (no DAT-resident help content, no source). Retail ITSELF fails silently with the plugin absent (`KeyStone::m_fnAC2HelpPluginExecute` unresolved) — mirroring that as an inert button is the faithful behavior for "the asset is missing", not an invented stub screen. | A user clicking In-Game Help Files gets no feedback at all, same as retail with the plugin missing — indistinguishable from a dead button unless they already expect the asset-missing case. | `KeyStone::OpenHelp @0x00557010`; `KeyStone::Init @0x00556CF0` (the unresolved plugin function pointer); research doc `2026-08-10-keyboard-config-and-gameplay-tab.md` §4.5 |
-| AD-77 | **Filed 2026-08-11 at the Campaign OP OP3 review-fix round (dual-review S4/MUST-FIX 2 — the plan's §5 "out of scope" list explicitly delegated this ruling to the OP3 review).** Retail exposes TWO `gmPanelUI` host variants for the same panel stack — a floating host (`0x2100006E`, `gmFloatyPanelUI`) and a docked host (`0x21000017`) — so a retail user can dock the Options panel (and every other `gmPanelUI` sibling) into a fixed screen position instead of leaving it freely floating. acdream mounts every main panel through `RetailWindowFrame.Mount` + `RetailPanelUiController.RegisterMainPanel` against the floating host ONLY; no code path resolves or mounts `0x21000017` at all. | `src/AcDream.App/UI/RetailUiRuntime.cs` (every `Mount*`/`RegisterMainPanel` call site for a `gmPanelUI` sibling — Character/Inventory/Spellbook/Effects/the four indicator-detail panels/Options); `src/AcDream.App/UI/Layout/RetailWindowFrame.cs` | This predates OP3 — every `gmPanelUI` sibling has shipped floating-only since its own slice landed; OP3 did not introduce the gap, it just added a tenth panel to an already-floating-only cohort. The plan explicitly scoped filing the row to "whichever slice's review deems it a divergence" rather than blocking any one panel's slice on building a docked-host variant no prior panel has either. | A user who expects to dock the Options panel (or any other main panel) the way retail allows cannot — every `gmPanelUI` sibling is floating-only in acdream, client-wide, not an Options-specific gap. | research doc `2026-08-10-options-panel-structure.md` §10.1 (docked/floating host pair); `docs/plans/2026-08-10-options-panel-campaign.md` §5 |
-| AD-78 | **Filed 2026-08-11, user-directed (verbatim: "mark all options that are not implemented now, so I can clearly see what is not implemented"), gate 2 of Campaign OP's follow-up.** Retail dims nothing on any Options-panel row or Configure-Keyboard action row — every retail row drives its own real consumer by construction, so retail has no "does this actually do anything" ambiguity to signal. acdream, by contrast, ships a large honest store-only set (AP-198/AP-199/AP-200/AP-203, TS-73/TS-74/TS-75/TS-76/TS-77/TS-78/TS-79/TS-80, and the Character-tab Group A/D rows) that persist and, where auto-save, send the wire bit, but drive nothing observable client-side. Per explicit user direction, every such row's CAPTION now renders in a shared neutral grey (`UiRenderContext.StoreOnlyCaptionColor`, `(0.5,0.5,0.5,1)` — the SAME value the existing disabled/ghosted convention already used, `UiMenu.TextColorGhosted`) instead of its normal white/DAT-authored color, while the row itself stays fully interactive (click/drag/persist exactly as before — only the caption's paint color changes). No invented marker text is added anywhere (the project's "no user-visible strings outside the DAT" rule stands); the dim IS the marker. **[FA4 fix-round addendum, 2026-08-12 — blast SHOULD-FIX 1 + mechanism SF-8/SF-9: this row's own count had drifted stale THROUGH two campaigns (FA4's D7 un-dim landed 31, but this row still read the pre-FA4 "35"; the fix round then reverted three of FA4's four un-dims — see below — landing at 34). The Character-tab count is now 34 of 50 dimmed / 16 live.]** | `src/AcDream.App/UI/UiRenderContext.cs` (`StoreOnlyCaptionColor`, the one shared constant); `src/AcDream.App/UI/Layout/ConfigOptionsPageController.cs` (21 of 27 rows dimmed — `ApplyLabelAndTooltip`/`SetLabelText`'s `storeOnly` parameter, threaded from each `BindXxxSection` call site); `src/AcDream.App/UI/Layout/CharacterOptionsPageController.cs` (**34 of 50 rows dimmed** — `RowSpec.StoreOnly`, derived per-row in the class doc's table, cross-checked against actual shipped consumers rather than the research doc alone. FA4 D7 originally un-dimmed 4 rows — `IgnoreFellowshipRequests`/`FellowshipAutoAcceptRequests`/`FellowshipShareXP`/`FellowshipShareLoot` — landing at 31. The FA4 FIX ROUND, 2026-08-12, reverted THREE of those four back to dimmed: `IgnoreFellowshipRequests`/`FellowshipAutoAcceptRequests` per the corrected plan D6 (retail's client reads neither option bit on the fellowship-invite path — both are pure server-side filters with no client consumer, exactly like the two allegiance bits that were always meant to parallel them; the client-side auto-respond interceptor that was their claimed consumer, `RetailUiRuntime.TryAutoRespondToFellowshipInvite`, is deleted outright), and `FellowshipShareLoot` per mechanism review SF-8 (its claimed "second checkbox surface" consumer never actually reads the stored value back — a second EDITOR of a value is not a CONSUMER of it). Only `FellowshipShareXP` survives as genuinely live (the fellowship Create flow reads it as the sent `shareXP` bit) — net ONE row un-dimmed from the pre-FA4 baseline, not four.); `src/AcDream.App/UI/Layout/KeyboardConfigController.cs` (`BuildActionRow` dims a row when `RetailActionIdentityTable.TryResolve` fails, i.e. `MappedAction` is null — AP-203's set); `src/AcDream.App/UI/Layout/ChatOptionsPageController.cs` (audited, zero dimmed rows — every row already has a live consumer). | Explicit, unambiguous user direction (this session, gate 2) overriding the earlier per-slice register rows' silence on presentation; the four controllers' own conformance tests (`ConfigOptionsPageControllerTests.CaptionDimming_MatchesTheStoreOnlySetExactly`, `CharacterOptionsPageControllerTests.StoreOnlyRows_MatchTheDerivationTableExactly` + `Bind_AppliesDimmedCaptionColor_ForStoreOnlyRows_AndWhiteForLiveRows`, `KeyboardConfigControllerTests.UnmappedRows_DimTheirCaption_MappedRowsStayWhite`) pin the exact dimmed set so a future consumer landing without also flipping its row's literal fails the build, not just the eye. | A reviewer comparing a byte-exact retail screenshot to acdream will see caption colors retail never has — this row exists precisely so that divergence is understood as intentional, not a bug. If a row's dim/live classification in the four cited tables ever drifts from its ACTUAL consumer state (a landed consumer whose row was never un-dimmed, or a regressed consumer whose row was never re-dimmed), the caption becomes misleading in the OPPOSITE direction it was built to prevent — treat any report of "this dimmed row visibly does something" or "this live-looking row does nothing" as a real defect, not a rendering nit (see the gate script's own note). **The FA4 fix round is itself an instance of this exact risk materializing** — the register row lagged two code-side count changes across one campaign before this addendum caught up. This row retires only when acdream reaches full retail parity (zero store-only rows remaining), at which point the convention itself — not just its content — should be deleted. | None (acdream-only divergence; retail has no store-only rows to compare against) — `docs/research/2026-08-10-character-options-map.md` §7.1 (Group A/B/C/D split); `docs/research/2026-08-11-campaign-op-test-script.md` (per-tab store-only enumerations this row's dimmed set matches) |
-| AD-79 | **MOSTLY RETIRED 2026-08-13 (user-ordered social completion batch):** Friends Add/Remove/Appear-Offline and Squelch add-character/add-account/remove are LIVE (the wire beneath had existed end-to-end since J4.1/FA1 — docs/research/2026-08-13-social-wire-completion.md §4; the panel now publishes the same Runtime commands). REMAINING scope: the Friends "Send Tell" button (`0x10000516`) only, which needs the chat-tell seam. **Original filing — 2026-08-12 at Campaign FA slice FA3, D1 (the plan's "Friends + Squelch pages bind READ-ONLY... their mutation actions are wired only if their wire is already served by ACE and trivially pinnable in-slice — otherwise the action buttons are honest INERT" decision).** The social panel's Friends page authors three buttons (Add/Remove Friend-shaped, `0x10000514`/`0x10000515`/`0x10000516`) plus an "Appear Offline"-shaped checkbox (`0x1000052C`); the Squelch page authors three buttons (`0x10000547`/`0x1000054B`/`0x1000054C`). All seven are built, laid out, and clickable exactly as authored, but carry no click handler — no Friends add/remove/appear-offline wire and no Squelch add/remove/clear wire is implemented this campaign. `gmFriendsUI`/`gmSquelchUI` were also outside lane A/B/C/D's own decompiled scope (only Fellowship/Allegiance were researched), so their real button semantics and wire opcodes are not yet established either — this row covers BOTH "not wired" and "not yet researched." | `src/AcDream.App/UI/Layout/SocialFriendsPageController.cs`; `src/AcDream.App/UI/Layout/SocialSquelchPageController.cs` (both classes' own doc comments cite this row) | FA3 is the panel SHELL slice; D1 sets the bar for which Friends/Squelch actions get wired in-slice at "trivially pinnable," which none of these seven meet without their own wire research. `SocialPanelControllerTests.FriendsAndSquelchActionButtons_AreClickable_ButHaveNoHandler` pins the INERT contract so a future consumer landing without also removing this row's citation fails nothing silently — the row is the only signal until a follow-up slice wires real handlers. | A user clicking Add/Remove Friend, Appear Offline, or any Squelch button in acdream sees no effect and no feedback — indistinguishable from a dead control unless they already expect the gap. The Friends/Squelch LISTS themselves are live (bound read-only to `RuntimeCommunicationState.Friends`/`.Squelch`) — only the mutation controls are inert. | None (no retail decomp anchor — `gmFriendsUI`/`gmSquelchUI` are outside this campaign's researched scope); `docs/research/2026-08-11-fa-panel-structure.md` §10 (coordinator addendum, the panel discovery that first surfaced these two pages); `docs/plans/2026-08-11-fellowship-allegiance-campaign.md` D1 |
-| AD-80 | **Filed 2026-08-12 at Campaign FA slice FA4, D5.** The fellowship page's per-fellow percentage text renders retail's own byte-decoded XP-share table verbatim (1.0/.75/.6/.55/.5/.45/.4/.35/.3111111/.28, default 0.0 — `docs/research/2026-08-11-fa-fellowship-wire.md` §7.2, byte-decoded from the PDB-paired binary because both available decompilers folded the function to a constant). The currently-targeted ACE server computes the ACTUAL distributed XP from a DIFFERENT table (`.3` at 9 fellows instead of `.3111111`, no explicit 10-fellow row, and a wrong out-of-range default of `1.0` instead of `0.0` — `Fellowship.cs:604-632`, lane B §4.3). So a full (9-member) or over-full-in-retail's-table (10-member) fellowship's displayed percentage will not exactly match the XP ACE actually grants. This is a divergence between ACE and RETAIL, not between acdream and retail — acdream's client-side display is retail-faithful — but it is filed here because it is directly user-visible through this panel and a tester comparing "panel says 31.1%" against "server granted 30%" is measuring ACE's bug, not acdream's port. | `src/AcDream.App/UI/Layout/SocialFellowshipPageController.cs` (`EvenSplitPercentTable`, `FormatStatsText`) | The client-side table is byte-verified against the retail binary; re-deriving it to match ACE's (wrong) numbers would make acdream disagree with a REAL retail client observing the same fellowship, which is the opposite of this project's goal. | A tester with a 9- or 10-member fellowship on ACE sees a panel percentage that does not exactly match the XP bonus they actually receive; below 9 members the two agree exactly. The proportional (non-even-split) branch has a SEPARATE, narrower gap: acdream has not ported an `ExperienceToRaiseLevel`-equivalent table, so that branch omits the percentage entirely (level only) rather than computing a wrong number — see AD-81's citation of the same method. | `FellowshipSystem::GetEvenSplitXPPctg @0x005B9BA0` (lane B §7.2); ACE `Fellowship.cs:604-632`; `docs/research/2026-08-11-fa-fellowship-wire.md` §4.3 |
-| AD-81 | **Filed 2026-08-12 at Campaign FA slice FA4.** Two retail text-composition primitives the fellowship page's mechanism needs are not ported, so this controller renders their CONTENT as plain numeric composites instead of retail's exact resolved sentence, never invented English: (1) **`StringInfo` variable substitution** — every row field beyond the bare name is a retail `StringInfo` template with embedded variables (`ID_Fellowship_FellowStats` + `ID_Level`/`ID_Experience`; the three `…Status` fields + `ID_Cur`/`ID_Max` — `docs/research/2026-08-11-fa-panel-structure.md` §3.1/§4.1), resolved at runtime through `StringInfo::InqString` → `StringTableMetaLanguage::UnescapeString`, a cross-cutting UI-string engine acdream has never ported (the SAME gap the pre-Campaign-OP Character window recorded, `docs/research/2026-06-25-character-window-faithful-spec.md`: "NOT yet ported — current controller uses canonical AC labels"); this controller instead renders `"{level} {pct}%"` and `"{cur}/{max}"` — the retail-authored NUMBERS, without retail's surrounding words. **AMENDED 2026-08-13:** the no-metalanguage fragment/variable interleave of `StringTable::GetString @0x004300D0` IS now ported as `DatStringResolver.ResolveTemplate` (the AD-85 dialog narrowing), so VERIFIED-token-free templates can resolve exactly; this row's remaining scope is the meta-token engine (`StringTableMetaLanguage::RenderString @0x004302B1` + `StripMetaLetters`) the multi-variable stats templates may need, plus `FormatName`. (2) **`ACCharGenData::FormatName`** — retail's Create flow canonicalizes the typed fellowship name and writes the formatted text back into the entry box before sending (lane B §2.2/§6.2); acdream sends the raw typed text verbatim. Neither gap affects the WIRE — the `0x00A2` builder's `str16L` field is unaffected either way; only the client-side PRESENTATION differs. | `src/AcDream.App/UI/Layout/SocialFellowshipPageController.cs` (`UpdateRow`, `FormatStatsText`, `SetVitals`, the create-button `OnClick`) | Porting `StringTableMetaLanguage` is a cross-cutting UI-string-engine prerequisite, not a fellowship-specific task, and guessing its token syntax without decoding `StringInfo::InqString` would risk silently-wrong substitution rather than an honestly-numeric fallback — exactly the guessing CLAUDE.md's workflow forbids. `FormatName`'s capitalization/character rules are a separate chargen algorithm with no fellowship-specific anchor read yet. | A user sees "12 31%" / "140/140" instead of retail's full sentence, and a typed fellowship name keeps whatever casing/spacing the player typed instead of retail's canonicalized form. The underlying DATA (level, percentage, cur/max, the name itself) is correct in every case — only the surrounding words/formatting are absent. | `StringInfo::InqString @0x0042e490` → `StringTableMetaLanguage::UnescapeString` (unresolved — not yet decoded); `gmFellowshipUI::CreateFellowship @0x0048F730` (the `ACCharGenData::FormatName` call, lane B §2.2); `docs/research/2026-06-25-character-window-faithful-spec.md` (the identical prior finding for the Character window) |
-| AD-82 | **NARROWED 2026-08-13 (user-directed):** the invented leader-gold and selection-blue name tints are DELETED — fellow names render white always, selection feedback is the in-game selection ring, and the row-click target widened to the name AND stats texts. Remaining scope below. **Original filing — 2026-08-12 at the Campaign FA slice FA4 fix round (mechanism MUST-FIX 4/5).** Three fellowship-panel selection/presentation primitives with no decompiled anchor for the SPECIFIC mechanism, plus a deliberately page-local reimplementation of a retail generic: (1) **the leader-name gold tint** (`SocialFellowshipPageController.LeaderNameColor`, `(1, 0.84, 0, 1)`) — lane A's row-template inventory names no dedicated "this fellow is the leader" element, so this is an invented, clearly-adaptive visual cue, not a ported DAT mechanism. (2) **The panel-local "selected row" tint** (`SelectedNameColor`, `(0.45, 0.85, 1, 1)`) — same disposition, invented for the SAME reason: no decompiled per-row selection marker exists. (3) **Row selection is restricted to the row's name-text click target** — retail's list selection message (`3`/`0x42`, `ListenToElementMessage @0x004901C0`) fires on the WHOLE row; acdream has no generic per-row-element click primitive on an imported template subtree, so only the name text (always present) is clickable — clicking the stats text, a meter, or row whitespace does nothing. (4) **The world→panel selection sync is page-local, not a generic `UiTemplateListBox` primitive** — retail's `gmFellowshipUI::UpdateFellowSelection @0x0048F0F0` keys row identity via `SetAttribute_InstanceID(row, 0x1000000D, fellowIid)` + `UIElement_ListBox::SetSelectedItem`, a mechanism `UiTemplateListBox` does not port (`docs/research/2026-08-11-fa-panel-structure.md` §6.6: "no Flush, no selection model, no per-row instance-id" — `Flush`/`FlushPreservingScroll` shipped at FA3/FA4; the selection half did not). `SocialFellowshipPageController.SyncSelectionFromWorld`/`SetSelectedFellow` reproduce the OBSERVABLE behavior (Dismiss/Leader enable + a row highlight) against this controller's own guid-keyed row dictionary instead. | `src/AcDream.App/UI/Layout/SocialFellowshipPageController.cs` (`LeaderNameColor`, `SelectedNameColor`, `SelectFellow`, `SyncSelectionFromWorld`, `SetSelectedFellow`, `_rows`) | (1)/(2): a minimal, clearly-adaptive visual cue is preferable to inventing a DAT mechanism that was never found — same reasoning the class doc already applied to the leader tint before this row existed. (3): acdream's widget layer has no generic "whole imported subtree is one click target" primitive; the name text is retail's own always-present anchor. (4): the OBSERVABLE contract (button-enable + highlight on world selection) is met without porting the generic `UiTemplateListBox`/`SetAttribute_InstanceID` selection model, which would need a broader ListBox API change touching every ListBox consumer (Options/Config/Chat/Friends/Squelch), not just Fellowship — scoped here as a deliberate, page-local minimum rather than an unscoped widget-layer redesign. | A reviewer comparing a retail screenshot sees two colors retail never paints (gold leader tint, blue selection tint). A user clicking a row's stats text, a meter, or blank row space gets no selection feedback (must click the name specifically). If a future slice (Options/Config/Chat row selection) needs the SAME generic mechanism, this page-local implementation will not serve it — a real `UiTemplateListBox` selection-model port remains owed. | `gmFellowshipUI::UpdateFellowSelection @0x0048F0F0`; `RecvNotice_SelectionChanged @0x0048F1C0`; `ListenToElementMessage @0x004901C0` (message `3`/`0x42`); `docs/research/2026-08-11-fa-panel-structure.md` §6.2/§6.6/§7.3 | **[FA5 addendum, 2026-08-12:** `SocialAllegiancePageController`'s vassal-row click target shares point (3)'s IDENTICAL limitation — only the row's name text (`0x10000268`) is clickable, for the same "no generic per-row click primitive" reason. UNLIKE Fellowship's row click, Allegiance's does NOT sync to the world selection (lane A §6.2: `gmAllegianceUI::ListenToElementMessage`'s list-selection arm reads the row's `0x10000001` into `m_iidSelectedVassal` only — no `ACCWeenieObject::SetSelectedObject` call), so point (4)'s world→panel sync does not apply to Allegiance at all; only points (1)-(3)'s class of limitation recurs, and point (1)/(2)'s invented tint colors are NOT reused. **[FA5 mechanism-review SF-1, 2026-08-12: the interim offline-grey (`OfflineNameColor`) this addendum first cited was ITSELF an invented visual — retail's `UpdateVassalsData @004924c3` writes the vassal name with no colour change; the offline cue is EXCLUSIVELY the authored `0x100004AA` marker (`SetVisible` per online state, already wired). `OfflineNameColor` is removed; the vassal name always renders in the normal white, pinned by `SocialPanelControllerTests.Allegiance_OfflineCue_IsTheMarkerOnly_NameStaysWhite`. The Allegiance page now carries NO invented tint at all.]**]** |
-| AD-83 | **Filed 2026-08-12 at the Campaign FA slice FA4 fix round (mechanism MUST-FIX 5).** The Recruit button's enable rule does not gate on "target is a player" — retail disables Recruit unless the currently-selected world object IS a player (`ACCWeenieObject::IsPlayer`, `UpdateButtons`, lane B §2.8); acdream's UI layer has no cheap player-vs-non-player classification at this seam, so `RefreshButtonStates` enables Recruit for ANY selected, non-full-fellowship, not-already-a-member target regardless of type. This was previously an inline code comment, not a register row — the wrong call under the register rule (a divergence found without a row is a bug twice over), corrected here. | `src/AcDream.App/UI/Layout/SocialFellowshipPageController.cs` (`RefreshButtonStates`) | acdream's `SelectionState`/world-object model does not carry a player-vs-non-player classification cheaply reachable from the UI layer today; building one for this single enable-rule would be a disproportionate addition for a superset-of-retail rule whose actual SEND is still refused correctly. | A lit, clickable Recruit button when a chest, corpse, or monster is selected instead of a player — clicking it sends a Recruit request the SERVER refuses (the same silent no-op retail's own disabled button would have produced, but reachable in acdream where retail's click handler is unreachable because the button itself is disabled). Not a wire-behavior gap — the recruited/target end state is identical — but a UI-affordance divergence a screenshot comparison would catch. | `gmFellowshipUI::UpdateButtons` (lane B §2.8, the Recruit enable rule); `ACCWeenieObject::IsPlayer` (unlocated exact VA — cited via lane B's UpdateButtons trace) |
-| AD-84 | **Filed 2026-08-12 at Campaign FA slice FA5.** The Allegiance page's Swear button enable rule does not gate on "target is a player" — retail's `gmAllegianceUI::UpdateSwearButton @0x004908E0` enables Swear only when the current world selection `ACCWeenieObject::IsPlayer()` (lane C §1.3 step 1); acdream's UI layer has the same missing player-vs-non-player classification AD-83 already named for the Fellowship page's Recruit button, so `RefreshButtonStates` enables Swear for any selected, not-already-a-member, not-self target regardless of type. Same root cause and same disposition as AD-83, filed separately because it lives in a different controller/page. | `src/AcDream.App/UI/Layout/SocialAllegiancePageController.cs` (`RefreshButtonStates`) | Identical to AD-83's argument: acdream's `SelectionState`/world-object model has no cheap player classification at this UI seam; building one for two single enable-rules (Recruit, Swear) is a disproportionate addition, and the server still refuses a non-player Swear target the same way retail's own disabled button would have silently no-op'd. | A lit, clickable Swear button when a non-player object is selected — clicking it sends a Swear request the SERVER refuses. Not a wire-behavior gap (the swear/target end state is identical to retail's disabled-button no-op) — a UI-affordance divergence a screenshot comparison would catch. | `gmAllegianceUI::UpdateSwearButton @0x004908E0` (lane C §1.3 step 1); `ACCWeenieObject::IsPlayer` (unlocated exact VA, same as AD-83) |
-| AD-85 | **Filed 2026-08-12 at Campaign FA slice FA5. NARROWED 2026-08-13 (social gate round 2):** the row's items 2 and 3 — the three LOCAL Swear/Break/Kick confirmation dialogs and the server-driven type-1 accept-swear dialog (plus the type-4 fellowship invite) — are PORTED: `DatStringResolver.ResolveTemplate` composes the exact `0x23000001` templates (`ID_Allegiance_SwearConfirmation`/`BreakConfirmation`/`KickConfirmation`, `ID_Allegiance_AcceptSwearConfirmation`, `ID_Fellowship_FellowshipRequest`) by the `StringTable::GetString @0x004300D0` fragment/PLAYER-variable interleave (no-metalanguage branch `@0x004303B7`; all five templates verified token-free — `docs/research/2026-08-13-confirm-and-weenie-error-display.md` §1.2). What REMAINS recorded: item 1 — the numeric fields: self/monarch followers (`0x10000252`/`0x10000258`) and self rank (`0x10000253`) now carry `Followers:`/`Rank: [n]` label text but not retail's `StringInfo`-resolved sentence, and the "experience passed up" text (`0x10000492` ×2, the vassal row's `0x10000269`) renders bare numbers, same disposition as AD-81's `"{level} {pct}%"`. Those templates are multi-variable and were not verified token-free; they can move onto `ResolveTemplate` after the same verification. | `src/AcDream.App/UI/Layout/SocialAllegiancePageController.cs` (`RefreshSelfBlock`, `RefreshMonarchBlock`, `RefreshPatronBlock`, `UpdateRow`) | Same argument as AD-81 for the remainder: the numeric-field templates have not been dumped/verified token-free, and guessing meta-token behavior would risk silently-wrong substitution. The dialog templates WERE verified, which is why they moved. | A user sees bare numbers instead of retail's full sentences for followers/rank/XP-passed-up. The confirmation dialogs now read retail's full sentences ("Do you wish to swear to X?", "X would like to swear allegiance to you. Do you accept?"). | `gmAllegianceUI::UpdatePlayerData @0x00491330`, `UpdateMonarchData @0x00491B40`, `UpdatePatronData @0x004917C0`, `UpdateVassalsData @0x00492340` (lane C/A field sources); `MakeSwearConfirmationDialog @0x004927B0` family (lane A §5.1); `StringTable::GetString @0x004300D0` (ported for token-free templates); `StringTableMetaLanguage::RenderString @0x004302B1` (still unported — AD-81) |
-| AD-86 | **Filed 2026-08-12 at Campaign FA slice FA5, item 4.** ACE deliberately zeroes or empties NINE `AllegianceProfile`/`AllegianceData` fields on the wire — officers, officer titles, MOTD, MOTD-set-by, name-last-set-time, lock state, and approved vassal are always empty/false/zero regardless of the allegiance's real state; `timeOnline`/`allegianceAge` (the remaining two) are hard-coded 0 forever (lane C §5.1). acdream's FA1 parser reads all of these (to keep the byte cursor aligned for the fields after them) but drops most at increasing layers: `AllegianceMemberRecord` never surfaces `timeOnline`/`allegianceAge` as fields at all; `RuntimeAllegianceState.ApplyUpdate` (FA2) does not forward `Motd`/`MotdSetBy`/`ChatRoomId`/`NameLastSetTime`/`IsLocked`/`ApprovedVassal` from the parsed `AllegianceUpdate` record to `RuntimeAllegianceSnapshot` even though the C# record itself carries them; retail's own `gmAllegianceUI` (FA5) has no widget for any of the seven either (lane A §3.3: "No allegiance MOTD / officer / ban / hometown UI" — they are chat-verb-only in the 2013 client, out of this campaign's scope per the plan's §4). | `src/AcDream.Core.Net/Messages/ClientCommandResponses.cs` (`ReadAllegianceProfileBody`, `AllegianceMemberRecord`, `AllegianceUpdate`); `src/AcDream.Runtime/Gameplay/RuntimeAllegianceState.cs` (`ApplyUpdate`) | Retail's own client renders nothing for these seven fields either (no panel widget consumes them) — dropping them past the parse layer matches retail's OWN presentation exactly, and is strictly safer than surfacing values that are always wrong/empty against ACE. | Any FUTURE consumer (the chat-verb-only officer/MOTD/lock/ban management features, §2 master table features #11-31 of the allegiance wire research, explicitly out of Campaign FA's scope) that reads these fields off the Runtime layer will find them permanently zero/empty against ACE regardless of the allegiance's real server-side state — do not chase this as a parser bug; it is ACE's own zeroing. | ACE `Network/Structure/AllegianceHierarchy.cs:53-56,62-64,74-75,78-83,86-89,153-155` (broadcast counters/isLocked/officers/officerTitles/motd/approvedVassal); ACE `Network/Structure/AllegianceData.cs:59-60,86-89,111-112` (timeOnline/allegianceAge); `docs/research/2026-08-11-fa-allegiance-wire.md` §5.1 |
-| AD-87 | **Filed 2026-08-12 at Campaign FA slice FA6.** The allegiance-swear half of the two-bot headless connected gate (`FellowshipAllegianceLeaderBotPolicy`/`FellowshipAllegianceRecruitBotPolicy`) is written and wired end-to-end (proximity, `0x001D` swear, the confirmation-relay seam, `0x0020` tree-reseed assertions, break, reconnect-idempotence) but has never actually been verified to complete over the wire — `AllegianceGateEnabled = false` in both classes keeps it unreachable by default. Six live runs against local ACE all reproduced the same result: the fellowship half passes decisively (the Recruit bot's own `RuntimeFellowshipState` flips, proven three separate times), but ACE returns nothing at all to the `0x001D` swear (no `0x0274` confirmation, no `0x0020`, no error) even at 0.005 m separation — see docs/ISSUES.md #384 for the full evidence trail. So while the FELLOWSHIP two-session machinery is proven live, the ALLEGIANCE two-session machinery (Runtime commands, wire builders, `RuntimeAllegianceState` reseed) remains unverified end-to-end over a real connection — only its unit/fixture-level tests and its (successful) LOCAL echo on the swearer's own client are exercised. | `src/AcDream.Headless/Policies/HeadlessBotPolicy.cs` (`FellowshipAllegianceLeaderBotPolicy.AllegianceGateEnabled`, `FellowshipAllegianceRecruitBotPolicy.AllegianceGateEnabled`, both `false`) | Shipping the fellowship gate ALONE (rather than blocking the whole slice on the allegiance blocker) matches the campaign's own D8/item-6 split — fellowship and allegiance are independent retail systems with independent wire families, and the fellowship half's proof stands on its own regardless of the allegiance outcome. Disabling rather than deleting the allegiance code keeps a reviewed-quality, ready-to-run harness in place for whoever closes #384. | Anyone reading "the FA6 bot-vs-ACE gate passed" without the qualifier could assume the allegiance swear/break/reconnect path is proven over the wire when it is not — only its LOCAL send-and-echo behavior is proven; ACE's actual acceptance of the swear is the open question #384 tracks. | docs/ISSUES.md #384; `docs/research/2026-08-11-fa-allegiance-wire.md` §1.3 (the expected `0x0274`/`0x0275`/`0x0020` handshake); run6 evidence (0.005 m distance, zero inbound after swear) |
-| AD-88 | **Filed 2026-08-13 at the #385 dropdown fix (classification: UNCLEAR).** The vendor category dropdown ships G5's fixed 6-row scrollable popup window, but its authored popup ListBox (`0x21000043/0x10000350`) is edge-docked on all four sides (L=T=R=B=1, measured by menuprobe3 `OptionsPanelLiveMountProbeTests.ProbeMenuPopupSizingAndTextStyle`) — the exact authored condition that arms retail `UIElement_Menu::RecalculatePopupSize @0x0046caf0`, which resizes the popup to the ListBox's summed content height, uncapped (`0x0046e5f4..0046e66c`). The Config option-menus' identical docked shape now drives `UiMenu.PopupSizeToContent=true` (#385); vendor deliberately keeps `false`. | `src/AcDream.App/UI/Layout/VendorUiController.cs` (its UiMenu wiring leaves `PopupSizeToContent` at the class-default false) | The G5 vendor-gate retail screenshot was read as a ~6-row-with-scrollbar look and the vendor connected gate USER-PASSED on that shape — reworking a user-gated surface on decomp inference alone would invert the retail-oracle rule. The two pieces of evidence conflict; the row records the conflict rather than silently picking a side. | If retail actually opens the category popup full-height, our vendor dropdown shows a 6-row scroll window where retail shows every category at once — visible at any vendor with >6 categories. If retail truly shows 6 rows, the mechanism question (why the docked ListBox does not trigger RecalculatePopupSize there) is unanswered and could mislead the next dropdown port. | docs/ISSUES.md #386 (the retail side-by-side to run + the two candidate resolutions); #385 (the Config fix that exposed the conflict) |
-| AD-90 | **Filed 2026-08-13 at the #389 mechanism-review fix round (finding M1).** Retail's smartbox divisor aspect is not raw width/height: `RenderDevice::ComputeAspectForViewport @0x0054f150` yields `(w/h) × m_DisplayAspectRatio × 0.75`, with `m_DisplayAspectRatio` fed by the registered `Render.AspectRatio` preference. At that preference's DEFAULT (4:3) the factor is exactly 1.0f and the expression collapses to raw w/h — which is what acdream uses. acdream carries no AspectRatio preference at all. Also folded in: retail's `SetFOVRad` gate arithmetic ACCEPTS NaN (x87 unordered-compare quirk) where acdream's port rejects it — unreachable in practice, deliberately not reproduced (mechanism review M3). | `src/AcDream.App/Rendering/RetailFieldOfView.cs` (class doc names this row) | Bit-exact at retail's registered default; the preference existed for 2003-era stretched-CRT correction with no modern counterpart. Reproducing it would add a user knob retail itself defaulted away. | A retail user who had changed `Render.AspectRatio` saw framing acdream cannot reproduce; anyone porting FOV behavior from a capture made with a non-default AspectRatio preference will measure a mismatch against our law. | `RenderDevice::ComputeAspectForViewport @0x0054f150`; `Render::SetFOVRad @0x0054b2d0`; consumer `D3DXMatrixPerspectiveFovLH @0x0059ab71`; docs/research/2026-08-13-389-fov-mechanism-review.md |
-| AD-91 | **Filed 2026-08-13 at the #390 port.** acdream's display-change clamp covers ALL registered floating windows; retail's does not — every retail floaty overrides `MoveTo` with the clamp `x = max(0, min(x, parentW − selfW))` EXCEPT `gmFloatyChatUI` (floating chats 2–4), which has no clamp and can genuinely strand off-screen on a resolution change (decomp finding, `docs/research/2026-08-13-retail-ui-display-change.md`). The display block's product requirement ("UI windows must stay reachable on resolution change", the 2026-08-13 /goal) overrides the exception. | `src/AcDream.App/UI/RetailWindowLayoutPersistence.cs` (`ClampAllToScreen` — clamps every attached handle, floating chats included) | User-directed reachability beats reproducing a retail defect-shaped gap; the clamp math itself is retail's own, applied uniformly. | A retail-parity comparison that deliberately strands a floating chat window will find acdream rescuing it where retail leaves it lost. | `UIElementManager::RefreshEvent @0x0045C530`; `UIElement::UpdateForParentSizeChange @0x00462640`; the per-floaty `MoveTo` clamp overrides; docs/research/2026-08-13-retail-ui-display-change.md |
-| AD-92 | **Filed 2026-08-13 at the #376/#388 review fix round (blast M6 / mechanism M4).** Two switcher adaptations with no retail counterpart: (1) the fullscreen refresh rate is the monitor's HIGHEST for the picked WxH — retail passed the device mode's own refresh as-is (`Device::ForceDisplayResolution`); (2) an invalid/unsupported fullscreen request is a logged refusal that leaves the window unchanged — retail attempted the switch and surfaced the device error. The persisted-flag divergence a refusal leaves behind is ISSUES #392. | `src/AcDream.App/Settings/DisplayModeSwitching.cs` (`TryFindRefreshRate`, the refusal paths); `src/AcDream.App/Settings/RuntimeSettingsTargets.cs` (`Apply`'s refused-mode logging) | Highest-refresh is strictly better on modern variable-refresh panels (retail predates them); refuse-and-log is #388's own no-crash requirement. | A capture comparing retail's exact chosen refresh for a mode will differ; a server/tooling flow expecting an error dialog on an invalid mode sees a console line instead. | `Device::ForceDisplayResolution @gmClient::Init 0x004047af`; docs/research/2026-08-13-376-388-{mechanism,blast}-review.md |
-| AD-109 | **Filed 2026-08-17 at the entry/exit presentation round (USER-DIRECTED).** Retail presents the empty pre-player gameplay screen — opaque black behind the retained UI — from the char-select Enter click (`CPlayerSystem::LogOnCharacter @0x0055F890` → `CM_Login::SendNotice_BeginEnterWorld @0x006AD810`, UI mode 0x10000008) until CreatePlayer raises `SmartBox::teleport_in_progress @0x00451C20` and `gmSmartBoxUI::UseTime @0x004D6EAB` begins `TAS_TUNNEL` (`BeginTeleportAnimation @0x004D6300`, `Sound_UI_EnterPortal` at 0x004D638E). acdream instead ARMS the login wormhole presentation at the Enter click itself (`ILocalPlayerTeleportNetworkSink.ArmLoginTunnel`, invoked from the shared `ApplySelectedCharacter` host edge on all three entry routes: direct connect, roster Enter, enter-after-create) so the tunnel covers the whole EnterWorld round trip; the enter cue moves WITH the animation begin (retail's own cue-at-begin rule) and therefore plays at the click; the running presentation is ADOPTED (not restarted) when the Runtime login reveal begins, and DISARMED if the enter transaction returns to character select (rejected EnterWorld). | `src/AcDream.App/Streaming/LocalPlayerTeleportController.cs` (`ArmLoginTunnel`, `TickArmedLoginTunnel`, the adoption in `TryActivateLoginPresentation`); `src/AcDream.Runtime/Session/LiveSessionHost.cs` (`LiveSessionSelectionBindings.ArmLoginTunnel`) | User preference, 2026-08-17: retail's black CreatePlayer wait reads as a hang; the tunnel is already the login presentation, so covering the wait with it is strictly more continuous. Retiring this row = deleting the arm call and letting the reveal-driven activation begin the presentation, restoring retail's black window. | A retail side-by-side of the Enter edge shows acdream entering the tunnel roughly one server round-trip earlier than retail; any frame-sequence gate must expect tunnel (not black) between the click and the world. | `[login-frames]` probe (`LoginPresentationFrameProbe`); `LocalPlayerTeleportControllerTests` armed-tunnel tests; retail truth: the addresses in this row |
-| AD-94 | **Filed 2026-08-14 at the secure-trade feature.** Retail's `Event_AcceptTrade` payload (`Trade::Pack @0x005B9FF0`) appends two `PackableList` staged-item lists after the six fixed fields; acdream sends both as ZERO-COUNT lists. ACE parses and then discards the ENTIRE payload (`HandleActionAcceptTrade()` takes zero arguments — server trade state is fully self-derived; lane B §quirks), so the difference is unobservable against ACE; a byte-capture comparison against a real retail client would differ from offset 40. | `src/AcDream.Core.Net/Messages/TradeRequests.cs` (`BuildAcceptTrade`) | The `ContentProfile` pack layout was not byte-verified (ACE never reads it — no reader to check against), and guessing a wire struct violates the workflow; zero-count lists are well-formed `PackableList`s. | A future server that actually validates the accept echo would see empty item lists and could refuse or desync the accept. | `Trade::Pack @0x005B9FF0`; `GameActionAcceptTrade.cs:11-16`; `docs/research/2026-08-14-trade-laneB-wire.md` Table 1 |
-| AD-96 | **Filed 2026-08-14 at the OP8 re-gate fix round (key-name display).** Retail's `GetNameFromKey_Internal @0x00687800` falls back from the DAT string tables (key enum 4 → `0x2300000A`, meta enum 5 → `0x2300000B`) to the OS keyboard layout's own key name via DirectInput `IDirectInputDevice8::GetObjectInfo` (`tszName` — "SKIFT" on a Swedish layout). acdream reads the SAME layout-resident name data through Win32 `GetKeyNameTextW` instead (no DirectInput device exists in-process); on non-Windows hosts there is no OS lookup at all and the DIK-suffix spelling shows (un-localized English, e.g. "LSHIFT"). Mouse chords keep the pre-existing enum spelling — retail names them through the DirectInput mouse device. | `src/AcDream.App/Platform/PlatformKeyNameProvider.cs`; `src/AcDream.App/UI/Layout/RetailKeyNames.cs` (`Describe`, the mouse-device early-out) | GetKeyNameText and DirectInput's key names both come from the active keyboard-layout tables; adding a DirectInput device solely for name strings would be a heavyweight, dead-end dependency. Linux graphical work is parked at Slice L1. | A key whose GetKeyNameTextW name differs from DirectInput's `tszName` on some layout shows a slightly different caption than retail did; Linux graphical shows English DIK-suffix names where retail-on-Wine would localize; a mouse-chord caption reads as the Silk enum, not retail's device string. | `CInputManager_WIN32::GetNameFromKey_Internal @0x00687800`; `GetNameFromKey @0x00687F40`; `ControlSpecification::GetDIKName @0x0068ACB0`; `DBCache::GetDIDFromEnumStatic` category-4 probe 2026-08-14 (`KeyboardConfigLiveMountProbeTests.ProbeKeyboardFontsAndKeyNameStrings`) |
-| AD-98 | **Filed 2026-08-15 at Campaign LA gate round 2 (character-select background tiling).** The LA8 root (0x1000039A) authors LeftEdge=TopEdge=RightEdge=BottomEdge=0 ("no anchor") in the installed DAT, so retail's own `UIElement::UpdateForParentSizeChange` (0x00462640) never resizes this element — it stays a fixed 800x600 rect in retail's own widget tree. Retail's generic sprite blit, `Graphic::Draw` (0x00693b20) dispatching to `Graphic::PutImage` (0x00693a30) for an exact/undersized destination or a modulo-wrapped tile loop otherwise, has no third "stretch" mode (confirmed against `BlitMode`, acclient.h ~line 3135, and `MD_Data_Image::m_drawMode`/`DrawModeType` — both are COLOR-blend selectors, not tile-vs-stretch geometry modes). The only way retail's whole pre-world scene (background AND buttons AND listbox together) can still fill an arbitrary window resolution with no element ever resizing and a blitter that can only copy-or-tile is that these "flow" screens render into a fixed 800x600 target and the WHOLE FRAME is stretched once at presentation, outside the UI element/sprite system. **COMPLETED 2026-08-15 (same gate round, misalignment follow-up):** the first substitution (resize the mounted root + stretch only its own background) stretched the ART but left the authored child widgets at 800x600 pixel positions — misaligned against a background whose painting CARRIES visual anchors (the World/Characters captions are art). The substitution now reproduces retail's whole-frame behavior: the root KEEPS its authored 800x600 extent, and while the screen is active `UiRoot.FixedCanvasSize` scales EVERY emitted quad (widgets, glyphs, art, dialogs) uniformly at `TextRenderer.AppendQuad`, with the exact inverse applied to mouse coordinates at the `UiRoot` entry points so hit-testing lives in canvas space. Non-uniform window/canvas stretch, retail-authentic (no letterbox). `UiDatElement` keeps retail's pure copy-or-tile blit; the interim `StretchOwnBackgroundToFill` flag is deleted. **Campaign CC CC4 review-fix round R1 (2026-08-15): `FixedCanvasSize` now has a single arbiter.** Character-creation can be simultaneously active on top of character-management (both author the same 800x600 canvas), so a raw property write from either controller was a last-writer-wins race with no owner — chargen's own Close() nulled the canvas out from under a still-active character-management screen underneath it. `UiRoot.DeclareFixedCanvas(object owner, Vector2 size)`/`RevokeFixedCanvas(object owner)` now own every production write: each screen declares on its activation edge and revokes on close/deactivate/dispose; the effective size is the current declaration set's value (asserted equal across every concurrent declarer — a future mismatched screen throws instead of silently winning), and it nulls only once EVERY declarer has revoked. The raw `FixedCanvasSize` setter stays public only for `UiRootFixedCanvasTests`' isolated scale-math coverage. | `src/AcDream.App/UI/UiRoot.cs` (`FixedCanvasSize`, `DeclareFixedCanvas`, `RevokeFixedCanvas`, `CanvasScale`, `MapWindowToCanvas`, `Draw`); `src/AcDream.App/Rendering/TextRenderer.cs` (`CanvasScale`, `AppendQuad`); `src/AcDream.App/UI/Layout/CharacterManagementUiController.cs` and `src/AcDream.App/UI/Layout/CharacterCreationUiController.cs` (both declare/revoke through the arbiter on activate/close/deactivate/dispose) | Reproducing retail's literal mechanism (an offscreen fixed-resolution UI render target scaled at presentation) would add RHI surface area for an identical pixel result; scaling at the one quad-emission chokepoint with an inverse input mapping is the same math applied one stage earlier, and the world-space HUD stays native because the scale is scoped to `UiRoot.Draw`. | Glyphs stretch with the frame (retail-authentic blur at large windows). **Gate round 2 filtering follow-up (2026-08-15):** the stretch now filters bilinearly — `TextureCache.GetOrCreateLinearUiTwin` gives every nearest-sampled UI texture (dat-font glyphs, composited icons) a linear-sampled twin that `TextRenderer.DrawSprite` swaps to while `CanvasScale != One` — matching retail's own bilinear-filtered presentation blit instead of aliasing the point-sampled art. Any future fixed-canvas screen (login/disconnected/datapatch) DECLARES via `UiRoot.DeclareFixedCanvas` while active and REVOKES on close — per-screen opt-in through the arbiter, not automatic and not a raw write. If a genuine present-time frame-stretch pass ever lands, this collapses into it. | `Graphic::Draw` 0x00693b20; `Graphic::PutImage` 0x00693a30; `UIElement::UpdateForParentSizeChange` 0x00462640; `BlitMode` acclient.h ~3135; `UIElementManager::CreateRootElement` 0x0045d020; `CharacterManagementLiveDatTests.RootAuthorsNoEdgeAnchors_RetailNeverResizesItSelf`; `UiRootFixedCanvasTests`; `CharacterScreensFixedCanvasArbiterTests` (the two-controller arbiter gate); `UiDatElementTests.CanvasScale_StretchesQuadGeometry_LeavesUvsAuthored`; the NON-UNIFORM (no-letterbox) aspect behaviour has no decomp citation of its own (batch review F7) — it is inferred from the mechanism chain and CONFIRMED by the user's live gate pass 2026-08-15 (stretched widescreen look accepted as matching retail memory) |
-| AD-97 | **Filed 2026-08-14 at Campaign LA slice LA7a (character-restore request tail).** Retail's `CharacterRestore` request (`0xF7D9`) is ≥16 bytes: `CPlayerSystem::RestoreCharacter @0x0055d760` is, in the PDB-paired binary, `push 0x008173B4; push 0x008173B4; push guid; call Proto_UI::SendAdminRestoreCharacter @0x00546cf0`, and the callee packs BOTH constant `PStringBase*` arguments (`PStringBase::Pack @0x004fc6f0` emits ≥4 bytes even empty). Binary Ninja renders the two pushes as an uninitialized `edx` local plus `this` — a rendering artifact around constant `0x008173B4` (all 3 of its other pseudo-C appearances sit in provably-broken decompiles), but the arguments are real. acdream sends the 8-byte guid-only form. What the two constant strings contain is unresolved (a live cdb `db poi(0x008173b4)` would settle it). | `src/AcDream.Core.Net/Messages/CharacterRestore.cs` (`BuildRequestBody`) | ACE reads only `ReadUInt32()` and ignores any tail (`CharacterHandler.cs:331-385`), and holtburger ships guid-only from a real client command path against ACE successfully — the tail is unread by every server we can test against, and packing two strings whose CONTENT we cannot verify would be a guess. | A byte-capture comparison against a real retail client differs from offset 8; a future server that validates the full retail shape would reject our 8-byte request. | `CPlayerSystem::RestoreCharacter @0x0055d760` (binary bytes, not the BN rendering); `Proto_UI::SendAdminRestoreCharacter @0x00546cf0`; `PStringBase::Pack @0x004fc6f0`; ACE `CharacterHandler.cs:331-385`; holtburger `character_selection.rs:79-82`; LA7a Opus review F1 (2026-08-14) |
-| AD-93 | **Filed 2026-08-13 at social gate round 2, item 5 (the refused-drop notice port).** Two narrow gaps in the `ServerSaysAttemptFailed @0x0058EAE0` port: (1) **latched-guid preference** — retail's 0x00A0 dispatcher (`@0x0055B342`) PREFERS `prevRequestObjectID` over the wire guid when picking the item to name; acdream's `InventoryTransactionState.OnMoveFailed` instead REQUIRES the wire guid to match the latch (unobservable against ACE, which always sends the request's own guid on 0x00A0, and it protects a stale latch from mislabeling an unrelated failure — acdream has no retail-style latch timeout). (2) **unlatched request kinds** — retail latches `IR_MOVE`/`IR_WIELD` too; acdream's kind enum has no Move/Wield rows because wields ride `AutoWieldController` outside the single-request gate, so a refused wield/3D-move shows only the generic `HandleFailureEvent` leg, never "The X can't be wielded/moved". | `src/AcDream.Core/Items/InventoryTransactionState.cs` (`OnMoveFailed`); `src/AcDream.Core/Chat/InventoryFailureMessages.cs` (`Compose`'s absent Move/Wield rows); `src/AcDream.App/UI/ItemInteractionController.cs` (`OnInventoryRequestFailed`) | The match requirement is the compensating guard for the missing latch timeout; adding Wield/Move kinds means routing those sends through the single-request gate they deliberately bypass today — a behavior change beyond this gate item. | Only observable against a server that sends 0x00A0 with a guid that differs from the request's item (ACE never does), or on a refused wield/move, which shows no "can't be wielded/moved" verb line where retail would show one. | `ACCWeenieObject::ServerSaysAttemptFailed @0x0058EAE0`; the 0x00A0 dispatcher `@0x0055B342`; `ACCWeenieObject::RecordRequest @0x0058C220`; `docs/research/2026-08-13-confirm-and-weenie-error-display.md` §2 |
-| AD-105 | **Filed 2026-08-16 at Campaign CC gate round 1 re-test 3, finding R4-3 (skills info-box formula line clips at the frame's bottom edge).** `CharacterCreationSkillsPage`'s constructor clamps the description pane's (`0x100003fc`) live `Height` down to the bottom edge of the SIBLING gold decorative frame (`0x100003fa`, the SAME GF-12 corner/edge sprite family) whenever the frame's own authored bottom (Y=430 h=110 → 540, live-DAT-measured) sits ABOVE the pane's own raw bottom (Y=460 h=100 → 560) — a 20px overshoot that let a long skill's formula line draw into blank page space below the frame's visible border. Retail's own `ShowSkillsText @0x00481250` has NO code relationship between the two text panes and this frame (`UIElement_Text::SetText` only, no size/clip handoff) — the frame's authored geometry is used here as the only available ground truth for "the visible box," not a decomp-confirmed clip mechanism. | `src/AcDream.App/UI/Layout/CharacterCreationSkillsPage.cs` (constructor, the `InfoBoxFrameElementId` clamp block) | No decomp evidence describes HOW retail reconciles a text pane authored taller than its own decorative frame — this is the most defensible non-arbitrary boundary (an AUTHORED sibling rect, not an invented pixel offset) but is still an INFERENCE, not a confirmed retail mechanism. If retail instead resizes/repositions the frame to the pane, or genuinely allows the same 20px overshoot, this clamp diverges from the real behavior. | A future decomp/cdb capture of `gmCGSkillsPage`'s real screen layout, or a user visual re-check specifically of a 4-5-line skill description (e.g. skill id 52, Deception), could reveal the clamp boundary is wrong (too tight/too loose) — worst case the formula line is STILL cut, one pixel short of what retail shows, or clipped MORE than retail does. | `gmCGSkillsPage::ShowSkillsText @0x00481250` (no frame/size relationship in the decompiled body); live-DAT geometry (`0x100003fa` Y=430 H=110, `0x100003fc` Y=460 H=100) |
-| AD-104 | **Filed 2026-08-16 at Campaign CC gate round 1 re-test 2, finding R3-3 (Skills info-box title/description overlap).** `CharacterCreationSkillsPage` force-sets `VerticalJustify = VJustify.Top` on the info-box title (`0x100003fb`) and description (`0x100003fc`) panes post-construction, compensating for a client-wide bug: neither element authors dat property `0x15`, and this port's shared unauthored-VJustify default (`ElementInfo.VJustify` field default `Center`, plus `ElementReader.cs`/`DatWidgetFactory.cs`'s import/build-time enum-mapping switches) resolves an absent `0x15` to Center — but retail's REAL ctor default (`UIElement_Text::UIElement_Text @0x004685ff`, `m_eVerticalJustification = 4`) resolves via `UIElement_Text::CalcJustification @0x00467260`'s actual enum table (`1=>Center, 3 or 5=>Bottom(far edge), else=>Top(near edge)`) to Top, not Center. The two panes' own AUTHORED boxes overlap by 75px (title Y=435 h=100, description Y=460 h=100, live-DAT-measured) — under the CORRECT Top default both render near their own box's top edge (25px apart) and no longer collide; under the port's current (wrong) Center default both cluster near the middle of their overlapping boxes and visually collide. | `src/AcDream.App/UI/Layout/CharacterCreationSkillsPage.cs` (constructor, post-`_infoTitle`/`_infoText` resolution) | The shared mapping bug (`ElementReader.cs:507`'s switch, `DatWidgetFactory.cs:704`'s switch, and `ElementInfo.VJustify`'s field default) is CLIENT-WIDE and affects every DAT-imported `UiText` reaching the `Centered`/`RightAligned`/`OneLine` static paths or the multi-line honored-justification path — including already-shipped, visually-verified, FROZEN surfaces (vitals numbers, chat, main game UI, Options panel) that may rely on the CURRENT Center default for their existing correct-looking alignment. A page-scoped override for exactly the two elements proven broken avoids a client-wide regression sweep this session has no budget for; the shared fix is filed as ISSUES.md #410 for its own dedicated investigation. | If ISSUES #410's shared fix ever lands, this page's override becomes redundant (harmless but should be removed in the same commit, since the corrected shared default would already resolve to Top). Until then, any OTHER DAT-imported `UiText` with an unauthored `0x15` that happens to sit close to a sibling text element (the same "two 100px-tall overlapping boxes" shape) can exhibit the same visual-collision symptom, undiscovered until its own gate round. | `UIElement_Text::UIElement_Text @0x004685ff` (ctor default = 4); `UIElement_Text::CalcJustification @0x00467260` (real enum semantics); ISSUES.md #410 |
-| AD-100 | **Filed 2026-08-15 at the Campaign CC CC2 review, finding F2 (unrequested `0xF643` handling).** When a `0xF643` (`CharGenVerificationResponse`) arrives with NO outstanding create/restore request, acdream DROPS the message with a once-per-session stderr log. Retail has no such gate: `Handle_CharGenVerificationResponse @0x0055E8B0` processes whatever arrives, discriminating create-vs-restore by its OWN persistent verification state (case 1 branches on `GetVerificationState() == PENDING` → new `CharacterIdentity` + `AddIdentity`, else unpacks into the existing identity at `slot`) — an unsolicited reply would be applied against whatever that state happens to be. acdream's transport-level latch (`PendingCharGenVerificationRequest`) is the equivalent discriminator, but when it is `None` there is no state to apply the reply against, so the honest move is drop-and-log rather than guessing a family. | `src/AcDream.Core.Net/WorldSession.cs` (the `CharGenVerificationResponse.ResponseOpcode` arm in `ProcessDatagram`; `_loggedUnexpectedCharGenVerificationResponse`) | Processing an unsolicited reply requires retail's persistent chargen verification state, which lives in CC3's Runtime owner, not the transport. Until then a reply with no outstanding request is either a server bug or a latch-lifecycle bug on our side — surfacing it in the log beats silently misrouting it to an arbitrary event. Pinned by `WorldSessionCharacterCreationTests.ResponseWithNoOutstandingRequest_IsDroppedAndNeverMisattributed`. | A server that sends a spontaneous/duplicate `0xF643` (ACE can double-send NameInUse — see the CC2 review's F3 note) has its second copy dropped here, where retail would re-process it. If CC3's verification gate ever needs retail's re-process semantics, this drop must move behind that owner's state. | `Handle_CharGenVerificationResponse @0x0055E8B0`; `CharGenState::GetVerificationState`; CC2 review F2 (2026-08-15) |
-| AD-102 | **Filed 2026-08-15 at Campaign CC slice CC4 (the Heritage page's Viamontian button and the Town page's Sanamar button).** Retail gates BOTH controls behind `CPlayerSystem::AccountHasThroneOfDestiny`: `gmCGHeritagePage::ListenToElementMessage @ 0x00483860` shows `MakeToDWarningDialog` instead of selecting Viamontian (element `0x100003c3`) for a non-ToD account, and `gmCGTownPage::ListenToElementMessage @ 0x0047c480` does the same for Sanamar (element `0x1000040b`, `startArea` index 3 — also the reason `CharGenState::RandomizeStartArea`'s ToD-aware `RandInt(3 or 4)` bound exists). acdream's `ChargenOptions` (CC1) carries no account/DLC-ownership signal anywhere in the model, so both controls ship WITHOUT the gate — every installed heritage/town in `Options.HeritagesById`/`Options.StarterAreas` is always selectable, matching what a ToD-owning account would see. | `src/AcDream.App/UI/Layout/CharacterCreationHeritagePage.cs` (`HeritageByButtonId[0x100003C3u]`); `src/AcDream.App/UI/Layout/CharacterCreationTownPage.cs` (`StartAreaByButtonId[0x1000040Bu]`, `Randomize`) | ACE's server-side `CharacterCreate` handler never checks ToD ownership either (the field is purely a retail-client UI gate), so accepting the selection unconditionally never produces a request the emulator would reject; adding an account-ownership model to CC1's DAT-only `ChargenOptions` is out of this slice's scope and would need its own design (where does the "ToD owned" bit come from — account service, launcher config, a new env flag?). | None observable against ACE. A future retail-parity gate that specifically checks "does a non-ToD account get warned off Viamontian/Sanamar" will fail until an account-ownership signal exists to gate on. | `gmCGHeritagePage::ListenToElementMessage @ 0x00483860`; `gmCGTownPage::ListenToElementMessage @ 0x0047c480`; `gmCGTownPage::SetTown @ 0x0047c360`; `CharGenState::RandomizeStartArea` (DoRandom case 4, `RandInt(hasToD ? 4 : 3)`) |
-| AD-99 | **Filed 2026-08-15 at Campaign LA gate round 2 finding 1 (character-select Exit button).** On a confirmed Exit, acdream closes the client through the existing graceful window-close path (`d.Window.Close`, the same seam `GameplayInputCommandController`'s in-world Escape fallback already uses) instead of retail's real post-confirm behavior: `RecvNotice_CloseDialog`'s case-1 arm queues UI mode `0x10000009`, which `gmEpilogueUI::Register` claims — a brief epilogue/farewell screen — before the process actually terminates. The confirmation dialog itself (`MakeConfirmExitDialog`, its exact `ID_CharacterManagement_ConfirmExit` text, and the `m_confirmExitDialogContext != 0` re-entry guard) IS ported faithfully; only the post-confirm destination differs, the same shape as AD-74's Options-panel exit. | `src/AcDream.App/UI/Layout/CharacterManagementUiController.cs` (`RequestExit`); `src/AcDream.App/UI/RetailUiRuntime.cs` (`CharacterSelectionRuntimeBindings.RequestExit`); `src/AcDream.App/Composition/InteractionRetainedUiComposition.cs` (`d.Window.Close` binding) | acdream has no `gmEpilogueUI` port (out of scope this round); reusing the ONE existing graceful-shutdown seam keeps `disconnected`/`exited` status events firing through `GameWindow.OnClosing` → `CompleteShutdown` rather than inventing a second shutdown path, per explicit direction for this finding. | A user confirming Exit sees the window close immediately instead of retail's brief epilogue screen; a future feature wanting to reproduce that screen (or an intermediate "logged off, returned to character select" state) has no seam yet — same gap class as AD-44. | `gmCharacterManagementUI::MakeConfirmExitDialog @0x004ed250`; `RecvNotice_CloseDialog @0x004ed760` case 1; `gmEpilogueUI::Register(0x10000009)` @0x0047a680; `gmCharacterManagementUI::OnAction @0x004ed410` (Escape key, unported — button-only this round) |
---
-## 3. Documented approximation (AP) — 160 active rows (AP-185 RETIRED 2026-08-20 — `RetailWindowLockPresentationController` now swaps all eight imported locked/live chrome blocks, hides live-only floating-chat and SmartBox grips, suppresses only the nine-slice grip overlay, and applies the current lock before a late-mounted window's first `OnShown`; the radar's persistent B7/B8 semantic face is pinned against pointer-state clobber and covered by a real-fixture draw cycle; AP-231 filed 2026-08-16 at the Campaign CC gate round 1 closeout Group 2 — the Skills page formula-connector-text approximation in `ComposeFormula`, see the row's own text for the full disclosure of what is byte-verified versus best-derived; AP-213 RETIRED 2026-08-16 at the Campaign CC gate round 1 closeout Group 2 — the remaining flat-list-vs-four-bucket-sorted-model half is now ported: `ChargenSkillDetail`/`ChargenSkillFormula` (Core) thread `SkillBase.MinLevel`/`Description`/`Formula` from the global SkillTable through `ChargenOptions.TryGetSkillDetail` (`ChargenTableReader.Project` populates it, live-DAT-pinned at 38 entries — 23 MinLevel<=1/15 MinLevel==2, matching the Batch F investigation's own recorded finding exactly), and `CharacterCreationSkillsPage` now groups every costable skill into `SkillBucket` (Specialized/Trained/UseableUntrained/UnuseableUntrained, `UpdateSkillEntry`'s own `iMinlevel <= 1` test), sorts each bucket alphabetically (`InsertEntrySorted`'s `wcscmp`, ported as `string.CompareOrdinal`), and builds one `Templates[0]` header row per bucket ahead of that bucket's `Templates[1]` skill rows — `DoSkillRecords`'s own unconditional 4-header-then-populate build order. A level change re-buckets the row (detected per-refresh against each row's own cached bucket, then a full rebuild — the observable placement matches retail's incremental single-row `InsertEntrySorted` move without reproducing its internal mechanism, a documented and harmless substitution). 3 new fixture tests (`SkillsPage_BucketHeaders_AlwaysBuildAllFour_InRetailOrder`, `SkillsPage_UntrainedSkill_BucketsByMinLevel`, `SkillsPage_AdvancingASkill_MovesItsRowIntoTheNewBucket`) plus 1 new live-DAT test (`InstalledSkillTable_GlobalSkillDetails_MinLevelDistributionMatchesCostCoverage`); AP-216/AP-217 RETIRED 2026-08-16 at the Campaign CC gate round 1 closeout Group 1 — both rows' STOPPED items are now landed: `CharacterCreationUiController.AppearancePalSetSource`/`AppearanceClothingTableSource`/`AppearancePaletteColorSource` wire a DAT-backed `ChargenAppearanceCatalog` into the Appearance page from `LivePresentationComposition` (mirroring the existing `AppearancePreviewControl` seam), and `UiButton`/`UiDatElement` both gained a per-instance `Tint` property threaded into every existing `DrawSprite` call they make; `CharacterCreationAppearancePage` now sets `Tint` directly on each swatch button and the GradCircle element instead of layering a flat-fill `ChargenSwatchColorTile` overlay on top (that class is deleted) — a genuine multiplicative sprite tint on the widget's OWN authored art, matching retail's `SurfaceWindow::BlitAndColor(..., Blit_Multiply, color)` exactly rather than approximating it with an opaque rectangle. Both fixture test suites (`CharacterCreationAppearancePageSwatchColorTests`, 8 tests) and the live-DAT color pins (`ChargenAppearanceCatalogColorTests`) pass unchanged against the new mechanism; AP-218 RETIRED 2026-08-16 at the Campaign CC gate round 1 Batch C fix (GF-6) — `gmCGAppearancePage::Update`'s heritage-flavored static Hair/Eyes/Skin spin caption (`ID_CharGen_HairStyle`/`_Eyes`/`_Skin`, Gearknight `GearText_*`, Olthoi/OlthoiAcid `OlthoiText_*`) is now ported verbatim by `RefreshSpinCaptions`, replacing the prior ordinal substitution outright — see AP-215's own rewritten row for what remains open (the icon-thumbnail gap, restated); recount at this same edit: the row count this header carried before Batch B was already one LOW relative to the physical table (Batch A's own ending state: header said 164, the physical table already held 165 rows — verified by direct count against that commit) — a pre-existing drift this edit corrects to the counted total, not an artifact of Batch B's own net change (F12 correction, gate round 1 closeout, 2026-08-16: this note originally said "one high", the inverted direction — the header was UNDER-counting, not over-counting); AP-222 RETIRED 2026-08-16 at the Campaign CC gate round 1 Batch B fix (GF-11b) — the Appearance spins' current-part highlight and the Town buttons' Normal-to-white caption swap both port retail's actual mechanism (per-state label color/outline commit off the REQUESTED retail state id, independent of art-media availability — `UiButton.SetPerStateLabelStyle`/`ComputeRequestedStateId`), closing the row's own "not yet resolved which side is wrong" question: NEITHER client's spin ART changes (no Highlight media exists on either), but BOTH clients' spin TEXT does, matching retail's `SetState(1)`/`SetState(6)` property commit exactly (live-DAT-measured 218,167,85 -> 255,221,131, outline off -> on); AP-215 NARROWED the same batch (GF-9) — item 1 (the swatch-selection substitution) is RETIRED now that the real companion-overlay mechanism (`SetColor`'s `m_tColorWheel[...][0x10][iCurColor*7]->SetVisible`) is ported (`CharacterCreationAppearancePage`'s nine `SwatchOverlayIds`), leaving only item 2 (the icon-less style-spin ordinal label) open; AP-230 filed 2026-08-16 at the Campaign CC gate round 1 Batch A fix (GF-13) — the chargen-scoped-vs-general-importer-wide honor split for dat property 0x3B (Invisible: `UIElement::OnSetAttribute` case 8 hides an element), with the general client-wide honor deferred as its own visual gate (docs/ISSUES.md #408, 1,083 elements affected); AP-213 NARROWED the same gate round (GF-5) — the Skills page's click-to-advance/double-click-retreat single-button substitution is RETIRED now that the real per-row `pSkillUpButton`/`pSkillDownButton` arrows are wired to retail's own plain-click dispatch, leaving open only the flat-list-vs-four-bucket-sorted-model half; AP-229 filed 2026-08-16 at the Campaign CC CC7 review-fix round, F1 — the screen-layering divergence: retail's `UIFlow::UseNewMode` destroys/reconstructs the current UI framework on every mode switch where acdream's CC7 keeps both `CharacterManagementUiController` and `CharacterCreationUiController` mounted for the whole lifetime and only reveals/occludes them; AP-228 filed 2026-08-16 at the CC5 re-review residual round (R4) — the Summary listbox's skill-row KEY source, same divergence class as AP-226 filed the same round, a few retail lines away; AP-227 filed 2026-08-16 at the same review-fix round, F9 — an empty Summary name-field commit calls `SetName("")` (clearing the state), where retail's own NUL-inclusive length gate leaves `CharGenState.name` UNCHANGED for that specific case; AP-226 filed 2026-08-16 at the Campaign CC CC5 review-fix round, F11 — the Summary page's DAT-sourced labels versus retail's static `pcProfessions`/`pcGender`/`pcHeritage`/`pcTown` tables, including the non-human-heritage-renders-bare-"Heritage: " retail quirk; AP-225 RETIRED the same round, F6 — the reviewer re-derived `gmCGSummaryPage::ListenToElementMessage @0x0047bf40`'s length check and proved the 32-vs-33 threshold this row flagged as "not fully certain" does NOT exist: the compared length is NUL-inclusive (an empty field's length is 1, matching AP-226's own F11/F9 finding), so `length > 0x21` is EXACTLY `visibleChars > 32` — acdream's `MaxNameLength = 32` was always byte-correct, not merely internally-consistent; AP-223/AP-224 filed 2026-08-15 at Campaign CC slice CC5 — the acdream-only `HeritageOrGenderUnset` Finish refusal and the Summary listbox's two-bucket (Specialized/Trained only) skill-list narrowing (AP-224 corrected 2026-08-16 at the same review-fix round, F3 — its "template mechanism ported exactly" claim was FALSE as shipped, now fixed and true again, see its own row); AP-214 RETIRED the same slice — `RandomizeCharacter` is now ported and wired at the screen-open edge, closing the honest-blank-open gap it recorded; AP-212 NARROWED the same slice — the Appearance/Summary Random-button primitives are now real faithful ports, not uniform-pick approximations, leaving only Heritage/Profession/Town (still uniform-pick) and Skills (still unported) open; AP-222 filed 2026-08-15 at the re-review of Campaign CC CC6b-MOUNT fix commit `d2a71152` (N2) — the current-part spin highlight is a measured no-op for all nine spins, no Highlight media authored on any of them; AP-221 filed the same re-review (R2) — the chargen preview's one-shot-composition-vs-retryable-coordinator binding gap; AP-217 rewritten and AP-220 tightened the same re-review (R3 corrects the GradCircle from a dead click target to unported paint-art; N1 narrows the Gearknight-exit wording to non-Olthoi); AP-216..AP-220 filed 2026-08-15 at the Campaign CC CC6b-MOUNT review fix round, F2 — DoColorSpots swatch-art, the inert GradCircle, spin-caption/heritage-swap loss, the Skin-spin MoveTo reposition, and the Gearknight-boundary randomize calls; AP-215 filed 2026-08-15 at Campaign CC slice CC6b-MOUNT — the Appearance page's swatch-highlight (`UiButton.Selected` vs retail's separate overlay toggle) and icon-less style-spin ordinal-label substitutions; AP-214 filed 2026-08-15 at Campaign CC slice CC6b-MOUNT — retail's `gmCharGenMainUI` ctor rolls a full `RandomizeCharacter` BEFORE any page constructs, so retail's chargen screen is never actually blank on open (and the Appearance page's own gender-flip-on-init always fires against a real gender); acdream opens honestly blank instead, closing out the campaign plan's risk item 5; AP-212/AP-213 filed 2026-08-15 at Campaign CC slice CC4 — the Random button's uniform-pick approximation of retail's three unported randomize algorithms, and the Skills page's flat-listbox simplification of retail's four-bucket sorted skill model; AP-211 filed 2026-08-15 at the Campaign CC slice CC3 review-fix round — the client-side roster-vs-slotCount refusal in `RuntimeCharacterCreationState.TryBeginFinish` has no retail counterpart at that layer, retail enforces the cap in char-select UI instead; AP-207..AP-210 filed 2026-08-15 at Campaign CC slice CC3 — the FitTemplateToCharacter FPU-unrecoverable auto-detect skip, the shared-ClothingColors-list color-count approximation, the classID DAT-DID-lookup placeholder, and the ApplyTemplate atomic-replace-vs-per-attribute-guard simplification; AP-205 filed 2026-08-11 at Campaign OP gate 4 (#381) — the Apply/Reset/Defaults footer's opaque backing field is a genuine acdream synthesis with no authored retail counterpart; ~~AP-201~~ RETIRED 2026-08-11 at the Campaign OP gate-3 fix round — `UiScrollablePanel` now keeps a straddling row visible and CLIPS it to the viewport (`ClipsChildren` → `UiRenderContext.PushClip`, which existed by then), replacing the whole-row cull this row recorded; the user-observed symptom (the Chat tab's per-window filter blocks vanishing into a void at the DEFAULT scroll offset) closed issue #371; ~~AP-204~~ RETIRED 2026-08-11 at the OP8 rework — the silent-auto-reassign narrowing it recorded is fixed by a real `RetailDialogFactory` confirm-before-reassign dialog; see its retirement note below. AP-203/AP-202 filed 2026-08-11 at Campaign OP slice OP8 (Configure Keyboard) remain active — AP-202 records D4's `.keymap`-file-interchange narrowing (`keybinds.json` only), AP-203 records that roughly half of the DAT ActionMap's 306 user-bindable rows (82 of 87 Emotes, all 48 CharacterSettings hotkeys, all 10 CameraAlternateControls rows per the M2 de-alias fix, and assorted UI/Combat odds) render/bind/persist on the Configure Keyboard screen with no live acdream gameplay consumer yet; AP-200 filed 2026-08-11 at Campaign OP slice OP6 — the Config tab's Chat Font Face/Size menu rows are store-only, distinct fields from the existing live `ChatSettings.FontSize`; AP-199 filed 2026-08-11 at Campaign OP slice OP6 — the Config tab's Sound Features menu, Interface Sound trio, and Play Sound Only When Active are store-only (the Interface trio cites AP-174's existing "retail's own dead knob" finding); AP-198 filed 2026-08-11 at Campaign OP slice OP6, row count reconciled at the OP6 rework round (2026-08-11, review N1) — the Config tab's TEN Graphics/Rendering-Quality-family rows (including Screen Brightness, its own field as of the S2 fix) are store-only, the Vulkan+one-aggregate-QualityPreset renderer having no per-feature knobs; AP-197 filed 2026-08-11 at the OP4 review-fix round (SF-1/S4) — Display Timestamps hardcodes retail's constructor-default format string instead of the per-character GenericQualitiesData key-1 override the parser reads and discards; ~~AP-196~~ RETIRED 2026-08-11 at Campaign OP slice OP9 — originally filed at the OP4 review-fix round (MUST-FIX 3 / blast M2) for the Group-C re-point's observable-default changes (ViewCombatTarget true→false) and the PARTIAL GameplaySettings retirement (AutoTarget/AutoRepeatAttack/ViewCombatTarget deleted, the other five kept as write-behind mirrors); OP9 deleted `GameplaySettings` outright (all 13 remaining members were already re-pointed to the server-bit seam at OP4), closing the write-behind-mirror gap for good — see its retirement note below; AP-195 RETIRED 2026-08-11 at Campaign OP slice OP5 — ported both halves left open at OP2 re-review closure: the ALL-set LED media swap (`UiButton.FaceFileOverride`, driven by the block-level `P0x10000082`/`P0x10000083` sprites now threaded through `ElementInfo`/`DatWidgetFactory`) and the `CreateChildren` self-sizing tail (`UiCheckboxBitfield64.Height` grows with `_contentHeight` per row; the ENCLOSING page ListBox reflows around the block's FINAL size via the new `UiTemplateListBox.AddPrebuiltRow`, reusing the ListBox's own stacking exactly as the row's own disposition menu allowed, rather than a third stacking path); AP-194 filed 2026-08-10 at Campaign OP slice OP1 — the GetDefaultOptionValue vs constructor-default disagreement for ConfirmVolatileRareUse/ShowHelm/ShowCloak (see the row below); AP-193 filed 2026-08-10 at Campaign OP slice OP1 — the 0x34 HearPKDeathMessages id/mask mapping is ACE-sourced (see the row below); AP-192 filed 2026-08-10 at the Campaign CH round-5 polish (S2) — authored outline `0x21`/`0x22` now reaches every text-bearing widget, but only at the element's effective-default state; per-STATE outline switching (dialog/character/combat buttons author `0x21` in state `0x3` only) is not ported; AP-191 filed 2026-08-10 at Campaign CH round 4 items 1+2 — the chat transcript's missing tag-colour (`0x1D`, green) and tag-font (`0x1C`) are deferred, needing a per-run tag concept `UiText.Line` does not have yet; AP-184 RETIRED 2026-08-10 at Campaign CH round 4 — the three PARTIAL `/help` group topics (channels/chatting/commands) are now COMPLETE verbatim listings, `ClientCommunicationSystem::HelpStupidChannelHack @0x0056f290` fully decoded (the "vftable slot" operands are the same pooled/mislabeled-data artifact as AP-186's own precedent, not real vtable dispatch — reading the function's own disassembly for the `push imm32` preceding each constructor call resolves them), closing ISSUES.md #364 (full retirement note later in this same list, at its own "AP-184 RETIRED 2026-08-10 at Campaign CH round 4, closing ISSUES.md #364 — filed 2026-08-09..." entry); AP-113 RETIRED 2026-08-10 at the consolidated-review round, SHOULD-FIX 3/1 byproduct — DoLifestone's own bad-args refusal text is now byte-recovered, see its retirement note below; AP-183 and AP-186 RETIRED 2026-08-10 by issue #363's interface-text seam — see their retirement notes below; AP-190 filed 2026-08-10 at Campaign CH slice CH6c — window opacity now fades every RetailWindowManager window on retail's focus-driven Default/Active mechanism, not just ChatInterface-derived ones, and ships gmMainChatUI's 1.0/1.0 default as the ONE shared default across every registered window (fixed from the original 0.5/1.0 base-ChatInterface value, per the row's own REWORDED (2)) instead of applying it only to ChatInterface-derived windows, retiring AP-40 (the prior "opacity is fixed at 0.75, no focus transition" row) in the same commit; AP-189 filed 2026-08-10 at the CH6a/b REJECT-review rework, SHOULD-FIX 5 — acdream's ONE shared 500-entry/200-line-display-tail chat log gives every window a shallower EFFECTIVE per-window scrollback depth than retail's own per-window 10,000-line log, though the accumulate-while-closed and independent-per-window-scroll BEHAVIORS are both correctly reproduced; AP-188 filed 2026-08-10 at Campaign CH slice CH6b — a floating chat window's chat entry always sends on the Say channel because the floaty LayoutDesc authors no talk-focus menu and acdream does not (yet) share the main window's currently-selected channel across all five chat-window instances; AP-187 filed 2026-08-10 at Campaign CH slice CH6b — the four floating chat windows' text-type filters persist in local `settings.json` only (`ChatSettings.ChatWindow1..4Filter`), with no analog to retail's server-side `0x1000008C` GameplayOptions blob, so a character's floaty filter customization does not travel between acdream installs or round-trip to/from a retail client sharing the same character; AP-186 RETIRED 2026-08-10, issue #363's interface-text seam — `ChatVM` now carries an `OnInterfaceText` hook (`Action?`) the App-layer composition wires to `RuntimeCommunicationState.AddText(text, RetailLogTextType.ClientLocal)`, exactly fix shape (a) this row's own filing proposed; `ChatCommandRouter`'s two local-presentation fallbacks (`RetailCommandHelpTable.UnknownCommand` and the degenerate-prefix "Unknown command: {verb}." refusal) now call `ShowInterfaceText` and reach the SpewBox, with a null-fallback into the chat log (still tagged `ClientLocal`) for hosts that never wire the hook (headless has no `ChatVM` at all). Closes ISSUES.md #367; AP-185 filed 2026-08-10 at Campaign CH slice CH6a — the chat window's UiLocked border-art cosmetic swap is unported, see the row for detail; AP-184 RETIRED 2026-08-10 at Campaign CH round 4, closing ISSUES.md #364 — filed 2026-08-09 at Campaign CH user-gate round 2, item 3, recording that three of the seven retail `/help` group-topic listings (channels/chatting/commands) remained PARTIAL because their detail text is built in full or in part by `ClientCommunicationSystem::HelpStupidChannelHack @0x0056f290`, which the filing believed "not decodable with confidence from a static string sweep" because Binary Ninja renders its three internal string operands as dereferences of unrelated vtable slots (`&ClientCommunicationSystem::\`vftable'.RecvNotice_StartBarberNotice` etc.). That belief was WRONG — the same pooled/mislabeled-data artifact this register already documented elsewhere (AP-113's retirement note) applies here too: reading the function's own disassembly for the `push imm32` immediately preceding each `PStringBase::PStringBase` constructor call (rather than trusting BN's line-grouped rendering, which hides the true instruction order) resolves all three operands directly — `"@"` + a one-character tag sliced from a shared wide literal `U"fvpca"`/`U"mh,."` (a wide string read through a narrow `char*` truncates at the first zero high byte, the "hack" retail's own function name calls out) + `" - Sends a broadcast to your "` + `ChannelSystem::GetChannelName`'s own literal switch-table result + `".\n"`. `ChannelsGroupDetail` (entirely 6 such calls), `ChattingGroupDetail` (6 more, plus a `HelpReply@0x00577A50` Summary-branch quirk that unconditionally emits reply+pr+mr together — read directly, not assumed), and `CommandsGroupDetail` (`HelpAllGroup`, a straight-line concatenation of every other group's Detail branch plus a handful of its own short one-liners, including a CONFIRMED retail saveui/loadui duplicate) are now COMPLETE verbatim listings, matching the four (death/status/text/allegiances) the original filing already had. See `RetailCommandHelpTable`'s class remarks and `RetailCommandHelpTableTests` for the full per-line address citations. Round 2 item 2 also deletes `PortalWaitNoticeController` (the dedicated centered-overlay presentation the user reported was the wrong retail surface) and reroutes the portal-space wait-cue notice through the same `AddText`/SpewBox chokepoint every other on-screen interface-text site uses — AP-178's open SpewBox position/extent/font/colour questions now cover this notice too, since its separate controller and consts are gone; no new row was needed for the surface mismatch itself, since it was never separately registered (`PortalWaitNoticeController`'s own doc comment asserted "not a chat message" as an accepted design, not a flagged divergence). AP-150 RETIRED 2026-08-09 at Campaign CH user-gate round 1, item D (#329) — `PortalTunnelPresentation.TickRotation` now emits `"In Portal Space - Please Wait..."` unconditionally on every rotation-segment expiry, exactly matching `gmSmartBoxUI::UseTime`'s `else`-arm at 0x004D6FCD, instead of gating on `_waitCueVisible`, which only ever went true after the invented 5-second `RuntimeWorldTransitState.RetailWaitCueDelay` hold; `RetailWaitCueDelay`/`ObserveWait`/`SetWaitCue` remain as `LocalPlayerTeleportController`'s own hold-delay telemetry (`RuntimePortalSnapshot.WaitCueShown`) but no longer gate the on-screen cue, so they are not a residual of this row — closes issue #329; AP-183 RETIRED 2026-08-10, issue #363 — every named site now routes through the `ChatVM.ShowInterfaceText`/`OnInterfaceText` seam (see AP-186's retirement note) at its correct retail type: `DoStupidChannelHack` ("You must specify the text you wish to say!", newly wired — the six legacy channel verbs previously fell through `ChatInputParser.Parse`'s pure `return null` with no message at all), `DoChannelList`/`On`/`Off` ("Please specify the channel name.", reclassified), `DoAllegiance` ("Please see @help Allegiance...", reclassified), `DoHouseAvailableList` (reclassified AND corrected to retail's own "Please see @help hslist for more information on how to use this command" string, replacing the acdream-synthesized "Usage: /hslist " fallback — verified `acclient_2013_pseudo_c.txt:381481`/`1029383`), and `DoReply` ("Someone must @tell you first!", newly wired for the message-but-no-last-teller branch only — bare `/r` with no message at all is a separate retail branch, deliberately still unported). `DoSpeaker`/`DoEndurance`/`DoTitle` are untouched, confirmed still correct at `0x00`. The generic bad-args fallback (`ChatCommandRouter.Submit`'s catalog dispatch) now resolves `WeenieErrorMessages.Resolve(0x026u, null)` ("That is not a valid command.", the exact port of `DoCommand @0x0057E46D`'s `HandleFailureEvent(0x26)`) instead of synthesizing a `"Usage: {Usage}"` line — cross-checked against five decompiled handlers (`DoDie` plus the four above), all `0x1A`, confirming the uniform routing decision; AP-182 filed 2026-08-09 at Campaign CH slice CH4, corrected at the CH4 REJECT-review (nit 11) — `@title` is wired to a pure no-op (the value is neither stored nor consumed anywhere) and also omits `DoTitle`'s three local failure messages; recount at the CH3 Opus review corrected a pre-existing off-by-one; AP-181 filed 2026-08-09, Campaign CH slice CH3 — the local chat spam throttle (`IsMessageSpam`) has no acdream port. AP-178 NARROWED 2026-08-09 at the CH2 REJECT-review rework NIT 3, wording corrected at the CH2 re-review nits pass (`docs/plans/2026-08-09-chat-parity-campaign.md`, nits 1/2/6) — the original `dats.Portal` pass used an id source that was not Portal's own (`dats.Portal.GetAllIdsOfType()` is empty for this type), so it established nothing about Portal either way; extending a correctly-paired sweep to `dats.Local` FOUND the SpewBox element there; extent (`450×72`) and `MaxConcurrentItems` (`4`, not the code-default `1`) are now AUTHORED, leaving absolute screen position, colour, AND vertical content flow (now TOP-aligned, acdream's own invention pending measurement) open. AP-180 filed 2026-08-09 at the CH2 REJECT-review rework — `RuntimeCommunicationState.AddText`'s `windowId` parameter is accepted but not consumed, so retail's dual-destination echo (a `0x1A` message with a non-zero `windowId` lands in both the SpewBox and its originating chat window) is unimplemented; latent today since every production caller passes `windowId = 0`. AP-177/AP-178/AP-179 filed 2026-08-09, Campaign CH slice CH2 (interface text / SpewBox) — AP-177 records the invented 5-second SpewBox line lifetime (retail's real timeout is keystone-owned and unmeasured); AP-178's original filing recorded the invented SpewBox screen position/extent/font/colour/MaxConcurrentItems after `SpewBoxLayoutDumpDiagnostic`'s Portal-only sweep found zero elements of class 0x10000016 — see the NARROWED note above for the corrected finding; AP-179 is the OnCombatLine half of the RETIRED AP-176 split out to its own row. AP-176 RETIRED the same day — the WeenieErrorMessages full 344-row `HandleFailureEvent` port (`WeenieErrorMessages.Resolve`) replaces the single-stand-in-`LogTextType` approximation that row recorded for `ChatLog.OnWeenieError`. AP-175 filed 2026-08-09, Campaign CH slice CH1 — PopUpString renders as a chat-log line instead of retail's modal dialog; AP-39 updated the same day — chat coloring is now retail's exact 34-value `LogTextType` table, not a synthetic per-`ChatKind` approximation of it. AP-173 and AP-174 filed 2026-08-08, Campaign A slice A2 — AP-173 expresses retail's ±15 dB DirectSound pan as an OpenAL azimuth by inverting the constant-power pan law, since AL exposes no per-channel gain for a mono source; AP-174 records acdream's extra master volume knob on top of retail's three, folded into retail's single master multiply so the −50 dB cutoff and dB quantisation move with it. AP-172 and AP-171 filed 2026-08-08, #354 spell-bar drag-reorder fix — the favorite-bar reorder gesture defers its own list rebuild for the drag's duration so `UiRoot`'s drag-cancel safety net cannot destroy the in-flight cell, compensating the drop-time target index for the resulting stale sibling numbering; final positions and the wire pair are retail-exact, only the mid-drag visual reflow timing differs. AP-170 filed 2026-08-08, grand-gate finding G3 — an out-of-range vendor Use now arms on arrival instead of sending immediately, because the user's local ACE server polls for the player to actually reach use range before opening the shop panel and a too-early Use is silently lost; AP-169 filed 2026-08-08, grand-gate finding G2 — the vendor toolbar split-slider resolver falls back to the packed shop-supply-count field when the item's own `PublicWeenieDesc._stackSize` is absent, because the user's local ACE server never populates the latter for a browse-list item; AP-167/AP-168 filed 2026-08-09 at the Opus review of `92ea3977` (findings F1/F6) — Buy All's container-vs-item slot classification approximates retail's bitfield/capacity test with `ItemType.Container` [AP-168], and SellSingleItem's non-empty-container refusal branch is not ported [AP-167]; AP-164 RETIRED the same review (finding F4) — BF_RETAINED is now checked end to end; AP-162 NARROWED the same review (finding F1) — Buy All's four client-side pre-send guards are now ported, leaving only the single-item TryBuy path without one; AP-161 gains a REVIEW CORRECTIONS paragraph the same review (findings F1-F13) summarizing the rest as bug fixes to already-claimed behavior, not new divergences. AP-164/AP-165/AP-166 filed 2026-08-09 at Slice 6b/6c (staging+sell arc) — InqAcceptability's non-sellable bitfield is unmodeled [AP-164], the Buy-side stackable-removal-amount test substitutes DescStackSize for retail's _maxStackSize [AP-165], and the Buying/Selling tabs' own purse/count text plus the cross-panel pending-sell inventory highlight are unwired [AP-166]; AP-161 NARROWED the same day — the row's last vendor-specific residual (Buying/Selling tabs render but carry no data binding) CLOSES now that both tabs are fully wired (staging, drag-to-sell, InqAcceptability gating, Sell 0x0060, the X-close confirmation), leaving only the two long-standing PRE-EXISTING residuals (dropdown arrow-cap glyph, alt-currency m_last_sale simplification) plus the three new AP-164/165/166 residuals just filed; AP-162 EXTENDED the same day — the same no-client-pre-check omission now also covers the batched "Buy All" path (TryBuyAll), not just the single-item TryBuy. AP-162/AP-163 filed 2026-08-09 at Slice 6.3 (buy arc) — no client-side Buy affordability/capacity pre-check [AP-162] and the shop-item guid-collision skip-not-clobber policy [AP-163]; AP-161 NARROWED the same day — the private-selection and unwired-examine residuals CLOSE at Slice 6.1/6.2, leaving only the dropdown arrow-cap glyph and the alt-currency `m_last_sale` simplification, plus a confirmed-absent-from-retail note on double-click-to-buy. AP-161 REWRITTEN 2026-08-09 at the Slice 5.4 review (findings F1-F8) — the popup-never-rendered, wrong-quantity-price, no-auto-select, dropped-icon-layer, stale-category-on-vendor-switch, and unguarded-Apply-fanout bugs the review found are fixed (`VendorUiController.cs`, `VendorState.cs`, `GameEventWiring.cs`, `RetailUiRuntime.cs`); the row now records only the four consciously-deferred residuals it still owns (private per-panel selection vs. retail's global `ACCWeenieObject::selectedID`, the unwired shop-item examine route, the dropdown button-face arrow-cap glyph, and the alt-currency held-amount's `m_last_sale`-free simplification). AP-110's "retail-correct per-unit prices" phrasing is corrected the same day to "quantity-correct pricing" — the OLD phrase mischaracterized what retail even shows (a `GetObjectSplitSize`-quantity price, not literally one unit) independent of whether the code was buggy. AP-161 filed 2026-08-09 at Slice 5.4 (vendor browse panel) — the authored "Buying"/"Selling" tabs render and switch pages but carry no data binding, per contract decision 8's required successor to AP-110's narrowing; AP-110 NARROWED the same day — "vendor" is retired from its absent-panels list now that the "Items" browse tab is user-reachable. AP-160 filed 2026-08-07 at Slice 5.3 — the client-local vendor-panel distance watcher closes on plain 3D center distance instead of retail/ACE's cylinder-gap distance, because Runtime has no per-entity collision radius/height source outside the App-layer's Setup-cylinder resolver. AP-158 RETIRED 2026-08-06 by the #333 fix, closing #337 — the `maxReach` distance pre-filter is DELETED rather than re-centred, because retail has none: `CObjCell::find_obj_collisions` @0x0052b750 walks the cell's shadow list and calls `CPhysicsObj::FindObjCollisions` unconditionally. The row's predicted symptom was observed live at Neftet before it was fixed — a tall prop AP-156 had just placed correctly still not blocking, plus jumps sinking into the mesh and corpses falling through. Perf measured, not assumed: at the live-maximum 38 in-cell candidates 10.61 µs → 16.68 µs per resolve. AP-159 filed 2026-08-06 at the #334 fix — the INDOOR half of AP-156’s traversal residual is all that remains of it; the outdoor half is CLOSED by the `find_bbox_cell_list` port, and AP-156’s RISK COLUMN IS CORRECTED at the same commit: it recorded the residual as “extra broadphase candidates, never a missed one”, which generalised the indoor direction to the whole row and is exactly why #334 — a MISSED one, and a user-observed loss of collision on landblock-spanning formations — sat inside it unnoticed. AP-158 filed 2026-08-06 at the AP-156 fix review — the shadow broadphase's `maxReach` distance pre-filter is acdream's own invention with NO retail counterpart, and it measures from the part origin, so it can discard a genuine contact for exactly the off-centre parts AP-156 just placed correctly; issue #333. AP-156 CORRECTED at the same review: its population was understated — 172 is AP-152's DISPATCH population, not AP-156's CONTAINMENT population. AP-155 NARROWED and AP-156/AP-157 filed 2026-08-06 at the AP-152 retail-conformance review. AP-155 bundled two divergences with different code paths, populations and gates under one id; its flood half is now AP-156, **with its direction corrected**. AP-155(b) recorded the BSP flood approximation as OVER-inclusive and used that direction as the reason the residual was safe to defer; measured over the installed DAT it was UNDER-inclusive for 428 of the 530 BSP-bearing Setups (the AP-156 fix review corrected the originally-recorded '170 of 172'), because `BuildFloodSpheres` carried each physics-BSP part's root bounding-sphere RADIUS while discarding that sphere's own ORIGIN and centring it on the part origin. That is the #98/#168 class, and for 43 Setups the post-AP-152 flood was strictly smaller than the pre-AP-152 one. AP-156 records the correction and the fix — `ShadowShape.BoundsCenter`, filled from the same resolver that supplies the radius, plus the retirement of the 10-sphere clamp on a branch where retail has none — and keeps open only the sphere-vs-portal TRAVERSAL approximation. AP-157 is the previously unregistered third-branch substitution: retail floods from one `CPartArray::GetSortingSphere` where acdream floods from every Sphere shape, and acdream's cylinder flood ignores `CylHeight`. AP-152 RETIRED 2026-08-06, one day after it was filed: `ShadowShapeBuilder.FromSetup` now dispatches BSP-first instead of unioning, and `ShadowObjectRegistry.BuildFloodSpheres` now applies `calc_cross_cells`' own BSP → cylsphere → sorting-sphere order. Four statements in the row were false and are corrected in its retirement text — most importantly its predicted symptom, "catching on a doorway sill", which could not have been occurring: `Transition.BspOnlyDispatch` had already made the extra primitive inert at collision-query time since 2026-05-25. The live half was CELL MEMBERSHIP, the #98/#168 symptom class, which had no such guard. AP-153/AP-154/AP-155 filed at that retirement — retail's dispatch flag is cached once at part-array construction where acdream's gate is live [AP-153]; acdream's query-time guard takes a CLIENT-DERIVED flag off the WIRE and never derives it, an undeclared dependency on ACE reading the same DAT bit [AP-154]; and the static publication paths emit a Setup Sphere as a height-capped Cylinder while `BuildFloodSpheres` approximates retail's bounding BOX with bounding SPHERES [AP-155, whose flood-priority half is closed by the same commit]. AP-152 filed 2026-08-06 at the AP-22 retirement — the LIVE collision path emits Setup primitives and per-part physics-BSP shapes additively where retail's `CPhysicsObj::FindObjCollisions` dispatches exclusively; 172 of 5,935 installed Setups are affected, including BSP doors, so it needs its own visual gate and was deliberately not folded into the AP-22 commit; the count is unchanged because AP-22 retired in the same commit. AP-22 RETIRED 2026-08-06 — retail synthesizes no shape for a shapeless object (`CPhysicsObj::FindObjCollisions` 0x0050f050 exits at `0x0050f22f je 0x50f31b` returning the seeded OK_TS, and `CPartArray::GetRadius`/`GetHeight` are absent from its whole call set), so the invented `setup.Radius` cylinder was deleted rather than re-derived; the row's site list named one file that never contained the fallback and omitted the two that did, one of them the headless-only copy, and its "rare decorative props" risk described an unreachable branch — 0 of 5,935 installed Setups can satisfy the guard. AP-150/AP-151 filed 2026-08-06 at the #280 dual review — the wait cue's five-second arming is acdream's own and not retail's trigger [AP-150], and the reveal gate is materially stricter than retail's DAT-residency prefetch predicate on the mesh-build/GPU-upload axis [AP-151], the opposite asymmetry from AP-149; AP-149 filed 2026-08-05 at the #280 portal-prefetch fix — the reveal gate's outer ring accepts terrain-only publication where retail requires LandBlockInfo and every building EnvCell; the fix closes the reveal-window/visible-window ratio, not this residual; AP-148 filed 2026-08-05 at the C5b closeout — acdream's local-player Gate A requires the wire TELEPORT_TS to be EQUAL where retail requires only that it not be OLDER, verified by disassembly against the PDB-paired binary after two review rounds read the Binary Ninja tautology and missed it; AP-147 filed 2026-08-05 at the C5b architecture review, finding D3 — the accepted-Position delta stream's cardinality change and its torn intermediate; AP-138 amended at the same review — C5b staled its route-2 first-submit `CurrentCellId` measurement; AP-131 RETIRED 2026-08-05, C5b, closing #275 — the steady-state merge's `installPlacementFrame: true, clearParent: true` literals no longer exist; `InboundPhysicsStateController.TryApplyPosition` now computes both flags PRE-MERGE from `(disposition, hasAnimations(old))`, which is exactly `RuntimeAuthoritativePositionRouteClassifier.ClassifyAcceptedPosition`'s own `ApplyPlacementFrameBeforeRouting`/`UnparentBeforeRouting` rows (false/false on the Gate A force row, `!HasAnimations`/true on every accepted non-force route). Retail decides both writes BEFORE `MoveOrTeleport` is consulted — Gate A @0x0045400C returns @0x0045409D ahead of `unset_parent` @0x00454129 and the `HasAnims` `SetPlacementFrame` gate @0x00454137 — so the flags need no route, no player distance and no signature change. The row's predicted symptoms are gone: an animated entity's ordinary Position no longer installs a placement frame retail skips, and a ForcePosition no longer unparents. Evidence: `InboundPhysicsStateControllerTests` — `ApplyOnAnimatedEntity_NeverInstallsTheWirePlacementFrame`, `ApplyOnNonAnimatedEntity_InstallsTheWirePlacementFrame`, `ForcePositionOnParentedLocalPlayer_RetainsTheParentAttachment`, and the 12-row `MergedPrePlacementFieldsMatchTheClassifiedRouteFlags` matrix which uses the production classifier as its oracle rather than re-encoding the table; all four sabotage-verified in both directions. The row's "the legacy caller is deleted at the production cutover" framing was overtaken: the caller was CORRECTED, not deleted, and remains the only production Position wire caller; AP-145 RETIRED 2026-08-05, C5a commit 1, closing #318 — `TryPublishPlace` now publishes the local player's Place through `LocalPlayerShadowSynchronizer.SyncPose`, the same publisher ordinary per-tick movement uses, instead of a direct `LocalPlayerShadowState.Set` that never touched `PhysicsEngine.ShadowObjects`; AP-1 RETIRED 2026-08-05, C5a deletion sweep — `PhysicsEngine.Resolve`/`ResolvePlacement`/`HasCellSurface` deleted outright, zero production callers, so "production zero-delta routes remain on the legacy resolver" is now structurally false; AP-146 filed 2026-08-05, #319 fix — the local player's canonical cell is written only at login/inbound-Position/teleport, not per ordinary-movement tick as retail's SetPositionInternal does; #319's fix makes a player-parented child inherit exactly this coarseness, stale-but-equal to the parent, not a new staleness class; follow-up filed as issue #320; AP-144 filed 2026-08-05, C4 route 3 round 3 (R7) — the portal-arrival movement-event send reuses `UsePositionFromServer` (`autonomy_level != 2`) where retail's actual gate, `SendMovementEvent`, is `autonomy_level != 0`; the two agree everywhere except level 1, which no production caller can reach today; AP-142/AP-143 filed 2026-08-04, C4 route 7 — the parented-child single-field cell model (id/pointer collapse, zero-not-stale removal propagation, same-cell tick-loop subsumption) and the headless parent-realize drive's skipped holding-location validation; AP-141 filed 2026-08-04, C4 route 5, NARROWED 2026-08-04 at the round-2 delta review — the far-branch StopInterpolating clause was wrong for the adopted-body case (it is now ported there) and the row's language now distinguishes "never armed" from "never re-anchored"; CORRECTED 2026-08-04 at the round-3 delta review — the risk column's "would drag the body toward a stale anchor" claim was itself wrong (the leash anchor is write-only; `ConstraintManager::adjust_offset` only brakes, never pulls) and is retracted; every half remains test-gated only, since ACE never sends a missile UpdatePosition; AP-140 filed AND RETIRED 2026-08-04 — filed at the Bug B Opus review because the two accepted-Position routing gates read the client `Airborne` flag, i.e. walkability, where retail's free-flight predicate is CONTACT, and Bug B had just turned "in contact, not on walkable ground" from unreachable into ordinary; retired the same day by pointing both gates at `PhysicsBody.InContact`, retail's literal `transient_state & 1` test at `InterpolationManager::adjust_offset` @0x00555D52 (bit 0 = `CONTACT_TS`, acclient.h:3690), while leaving `Airborne` and all five of its `!Body.OnWalkable` writers untouched — the narrow shape the row itself pinned. A remote sliding on a steep face now interpolates as retail does instead of snapping at UpdatePosition cadence; AP-139 filed 2026-08-04, Bug B remote steep-contact slide — the interpolation-queue clear on the landing edge, carried over from the deleted hand-rolled remote landing block; AP-81 narrowed the same day by that fix, which retired its whole GRAVITY half; AP-87 annotated the same day — its predicted symptom was observed live and then fixed at the source, with the row's own thresholds and conditions deliberately unchanged; AP-138 filed 2026-08-04, C4 route 4b-2 dual Opus review, parts (1) and (2) rewritten the same day at the DELTA review — the far snap's refusable-placement residual: store_position only on the outcomes that never reached the engine, the two quiescence parks made restorable at the source, with the rollback gated on the cell it actually restores into, rather than refused by a pre-flight that structurally cannot see them, and the leash not armed through a superseded incarnation; AP-137 filed 2026-08-04, C4 route 4b-2 and rewritten the same day at that review, `teleport_hook`'s call list completed at the delta review — the acdream-only null/rejected/cell-less leftover arm, what the deleted duplicated 96 m/4 m constant pairs actually computed, and the vacuous headless satisfaction; AP-136 filed 2026-08-04, C4 route 4b-1 review, NARROWED 2026-08-04 at the C4 route 4b-2 delta review and AMENDED 2026-08-04 by the cancelled-park presentation rollback (the row's "restored visible" claim covered only the CANONICAL half; the presentation half was never rolled back, which left a parked-then-cancelled remote that stops moving invisible in the world AND absent from the radar for the rest of the session — a defect, now fixed by the `WithdrawalRestored` receipt, with the selection residual filed as AD-63) — a cancelled lost-cell park re-shows the entity where retail keeps it hidden until cell load, and the rollback's scope now covers the two placement-side quiescence parks whenever the cell it restores into is not itself quiescing — round 4 (2026-08-04) applies that same test a second time at RESTORE time, because a retained park's rollback lands a packet later; AP-135 filed 2026-08-03, C4 route 4a — the airborne no-op's retained acdream bookkeeping; the stated total was 2 rows stale before that filing and is now a literal count of this section; AP-130/AP-131/AP-132 filed 2026-08-02, continuation-executor slice; AP-5 retired 2026-07-31 at Campaign P Slice 2A — every successful `step_down` now performs retail's final `PLACEMENT_INSERT`; AP-3/AP-4 retired 2026-07-31 at Campaign P Slice 1B — `transitional_insert` and `edge_slide` now preserve retail's valid-contact early return and Branch-1-first order; AP-127 retired 2026-07-31 by #268 — the complete augmentation chain is shared by character UI and Runtime movement; AP-30 retired 2026-07-30 by the movement parity audit — retail Frame::is_equal genuinely uses the 0.0002 epsilon [byte-confirmed], so the row recorded a NON-divergence; acdream already matches; AP-129 narrowed 2026-07-30 at the P4 Opus review fix — `CanMoveInto`/`RestrictionDB::IsAllowedIn` are now ported and fed end-to-end (CreateObject HouseOwner/HouseRestrictions/Monarch tail fields + live `House_UpdateRestrictions 0x0248`, resolved through `PhysicsEngine.Objects`), retiring the original "CanMoveInto entirely unmodeled, unconditional fail-closed" gap the row described — the review was triggered by `RestrictionObjPrevalenceInspectionTests` showing 103,766 of 729,888 installed EnvCells (the whole housing estate) carry a baked `RestrictionObj`, so the unconditional fail-closed default would have locked every house for every player including its own owner; AP-10 retired 2026-07-30 at Campaign P Slice P4 — restored retail's 0.1 m dry-corner water sink-in, full suite green proving the sticky-bit no-regression argument; AP-71 retired same slice — `check_entry_restrictions` ported at the head of the indoor `FindEnvCollisions` branch, `CellPhysics.RestrictionObj` wired from the DAT-baked `EnvCell` field in both the dev and production caching paths; AP-128 filed 2026-07-30 at the P3 Opus review — PK-timer clock basis; AP-25 retired 2026-07-30 at Campaign P Slice P1 — the vitae/enchantment-aware run/jump skill chain; AP-7 retired 2026-07-30 at Campaign P Slice P2 — `calc_friction`'s threshold ported to retail's confirmed 0.25f; its still-open cos(10°)-vs-0.99999536f Sledding constant question moved to AD-55)
+## 3. Documented approximation (AP) — 93 active rows
Wave-0 UI ledger repair (2026-07-10) retired stale AP-38, resolved the AP-84
collision, restored overwritten paperdoll rows as AP-92/AP-93, and registered
@@ -216,54 +122,13 @@ AP-94..AP-112 for the confirmed retail-UI completion gaps.
| # | Divergence | Where (file:line) | Why it is safe / justified | Risk if assumption breaks | Retail oracle |
|---|---|---|---|---|---|
-| AP-231 | **Filed 2026-08-16 at the Campaign CC gate round 1 closeout, Group 2 (Skills page info-box completion).** `CharacterCreationSkillsPage.ComposeFormula` ports `gmCGSkillsPage::MakeSkillFormula @0x00480e10` with HIGH CONFIDENCE for the `"Formula : "` prefix, the per-attribute `"(%u x %s)"`-vs-bare-name choice (a term's own multiplier > 1 gets the parenthesized form, else just the attribute name), the `" / %u"` divisor suffix (gated on `Divisor != 1`), and the `" +%u"` additive-bonus suffix (gated on `AdditiveBonus != 0`) — every one of those is a directly-read compiled string literal or a field the DatReaderWriter binding already exposes by name (`SkillFormula`'s six fields map 1:1 onto the decompiled struct's own `_w/_x/_y/_z/_attr1/_attr2` offsets, confirmed by their exact 0x28/0x2c/0x30/0x34/0x38/0x3c stride). LOWER CONFIDENCE: the CONNECTOR text between a two-attribute formula's two terms. This port renders `" + "` — the well-known "(Attr1 + Attr2) / N" shape most published AC skill formulas use — but the decompiled function's own two candidate connector literals (`data_7a01a4`, appended between the terms; `data_797584`, appended again immediately after BOTH terms are present, an apparently redundant second literal whose exact role this session could not resolve) sit behind reference-counted `PStringBase` appends whose actual wide-character content Binary Ninja's HLIL does not surface as a literal — this session had no live cdb attach and no running Ghidra MCP instance to recover the raw bytes. A two-attribute skill's formula therefore renders as `"Formula : (2 x Strength) + Endurance / 4 +2"`-shaped text that is very likely retail-correct in STRUCTURE but not byte-verified. | `src/AcDream.App/UI/Layout/CharacterCreationSkillsPage.cs` (`ComposeFormula`, `AppendAttributeTerm`) | The single-attribute majority of skills render byte-correct today; only the minority of two-attribute formulas carry the unverified connector, and the gap is disclosed in the method's own doc rather than silently guessed. | A live retail capture of a two-attribute skill's formula text (e.g. via the cdb toolchain) could reveal `" + "` is wrong — the actual connector might be `" and "`, `" / "` (an OR-style formula, common for some AC skills that use whichever attribute is higher), or something else the two unresolved literals encode; `data_797584`'s role (appended after both terms) is also unexplained and could indicate a THIRD text segment this port omits entirely. | `gmCGSkillsPage::MakeSkillFormula @0x00480e10`; `SkillFormula` struct (`acclient.h`) |
-| AP-230 | **Filed 2026-08-16 at the Campaign CC gate round 1 Batch A fix (GF-13).** Retail's `UIElement::OnSetAttribute @0x00462d80` case 8 (`GetPropertyName()-0x33==8`, property id `0x3B`, "Invisible") hides ANY element authoring that property `true` via `SetVisible(value==0)` — a general, importer-level mechanism. The blast-radius sweep this fix's investigation ran found **1,083 elements client-wide** author `P0x3B=true` (the Summary page's GM-only `0x10000403`/`0x10000494` labels among them — the user-reported "-Non-admin or Non-envoy" leak). Honoring the flag client-wide in `LayoutImporter`/`DatWidgetFactory` is its own separately-gated visual sweep (docs/ISSUES.md #408, since a mis-hidden element among 1,083 untested ones would silently vanish a control nobody asked to disappear); this fix instead reads the flag as a PURE DATA ADDITION (`ElementInfo.Invisible`, `UiElement.AuthoredInvisible` — populated everywhere, acted on nowhere by the shared path) and only the chargen screen's own mount (`CharacterCreationUiController.HideAuthoredInvisibleElements`, called once at construction) walks its own subtree and hides whatever the dat itself marked hidden. **Second narrow honor added (F5/F6, gate round 1 closeout, 2026-08-16):** `LayoutImporter.BuildWidget`'s Batch C `UiText or UiField` un-consumed-children carve-out now ALSO honors `AuthoredInvisible`, scoped to exactly the children it builds through that one loop — a live-DAT sweep found the chat transcript's new-text indicator (`0x1000048C`) is one of the 37 carve-out (layout, element) pairs' children and authors `Invisible=true` itself, so the carve-out was building it as a visible phantom element retail never shows. Verified in both directions (`MediaBearingChildSweep_EnumeratesWhichAffectedChildrenAuthorInvisible` + `MainGameUiAndChatInput_MediaBearingChildrenNowBuildAsRealWidgets`): the chat indicator now builds hidden, and the eight gold-frame pieces this carve-out ALSO covers do not author Invisible and stay visible. Still narrower than #408: only these two honor sites exist (chargen's own screen walk; this one carve-out loop) — every OTHER AuthoredInvisible-bearing element client-wide, reached through the ordinary generic-container recursion, remains data-only. | `src/AcDream.App/UI/Layout/ElementReader.cs` (`ElementInfo.Invisible`, `ApplyCanonicalLegacyProjection`'s `0x3Bu` read); `src/AcDream.App/UI/UiElement.cs` (`AuthoredInvisible`); `src/AcDream.App/UI/Layout/LayoutImporter.cs` (`BuildWidget`'s passthrough assignment AND the `UiText or UiField` carve-out's own honor); `src/AcDream.App/UI/Layout/CharacterCreationUiController.cs` (`HideAuthoredInvisibleElements`) | The scoped fix closes the ONE reported, live-DAT-confirmed symptom (chargen's two GM labels) without touching any of the other 1,083 elements' visibility, each of which needs its OWN visual gate before the general importer-wide honor can ship safely — narrowing blast radius to a screen this same gate round is already re-testing end-to-end. | Every OTHER screen with an authored-invisible element still renders it (the general honor is #408, not yet shipped) — this row and #408 both retire together once the general sweep lands and passes its own visual gate. | `UIElement::OnSetAttribute @0x00462d80` (case 8, `SetVisible(value==0)`) |
-| AP-229 | **Filed 2026-08-16 at the Campaign CC CC7 review-fix round, F1.** Retail does NOT stack screens: `UIFlow::QueueUIMode @0x004793c0` sets `_nextMode`, then `UIFlow::UseNewMode @0x004796a0` calls `_curUI->vtable->Show(0)` on the current framework, immediately DESTROYS it (`_curUI->vtable->__vecDelDtor(1)`), constructs the new framework, and calls `Show(1)` on it — so retail TEARS DOWN `gmCharacterManagementUI` the instant Create fires and RE-CONSTRUCTS it when Exit confirms (Exit-confirm's `RecvNotice_CloseDialog @0x004e9883-0x004e989c` issues `QueueUIMode(0x1000000a)`, the reverse transition). acdream's CC7 instead keeps BOTH `CharacterManagementUiController` and `CharacterCreationUiController` mounted as permanent siblings under the shared `Host.Root` and only reveals/occludes them (`Root.Visible` + `_host.BringToFront(Root)`) — this was already true since the CC4 FixedCanvas-arbiter work, but CC7 made it the production Create/Exit path rather than a dev-only shortcut. **Confirmed working within this narrower surface:** selection/world-name persistence across the round trip is retail-faithful (retail's own `UIPersistantData::m_iidSelectedAvatar`, `UIPersistantData::UIPersistantData @0x00479a00`, persists exactly this data across the destroy/reconstruct — acdream gets the same outcome for free by never tearing the screen down at all); input cannot bleed from the visible chargen screen through to the occluded management screen underneath (chargen's `Root.ClickThrough = false` over the full authored canvas, plus a `_host.BringToFront(Root)` call every tick chargen is open, keeps it strictly on top and input-opaque); and the two controllers share ONE `RetailDialogFactory` instance (`RetailUiRuntime.EnsureDialogFactory`), so `UiRoot.Modal` stays a single coherent stack instead of two independent ones. **Residual risk the reviewer named:** because character-management is never deactivated while chargen sits on top of it, its own `ReconcileDialogs` keeps running every tick (`CharacterManagementUiController.cs:663-667`'s `if (snapshot.Error is { } error)` arm) and can call `EnsureError` → `_dialogs.MakeMessage(...)` on the SAME shared factory chargen uses. `RetailDialogFactory.RefreshModal` (`RetailDialogFactory.cs:587`, `_host.Modal = _openOrder[^1].View?.Root`) always promotes the most-recently-opened dialog to `Modal` — an inbound `CharacterError` reaching the occluded management screen while chargen is the visible, active screen could take `UiRoot.Modal` away from chargen and hand it to a dialog owned by the screen underneath. Retail cannot have this race by construction: character-management's C++ object no longer exists once Create fires, so there is nothing left to receive a stray inbound event. **Dialog-as-sibling addendum (F3, gate round 1 closeout, 2026-08-16):** the same flat-sibling-list mechanism that motivates this row ALSO covers `RetailDialogFactory`'s own open dialogs — a dialog's root is a direct sibling of the chargen/character-management screen roots under the SAME `Host.Root`, and `RetailWindowManager.BringToFront` is a simple "highest ZOrder among siblings + 1", so whichever sibling's own `BringToFront` call runs LAST in a frame wins z-order. This was GF-15's actual root cause (a dialog opened while chargen is active got buried the very next frame because the screen's own per-tick `BringToFront` ran after the dialog's one-time open-time raise) and is now closed by `RetailDialogFactory.Tick()` re-raising every open dialog, in `_openOrder`, every tick — but the underlying divergence (dialogs and screens sharing one z-order list at all, where retail's dialog layer is architecturally separate from `UIFlow`'s single current framework) remains; any FUTURE sibling that calls its own unconditional per-tick `BringToFront` could reintroduce the same failure class against a dialog OR against chargen itself. | `src/AcDream.App/UI/RetailUiRuntime.cs:3845-3847` (`ConfigureCharacterManagement`'s cross-screen `RequestCreate` seam, both controllers mounted as permanent siblings); `src/AcDream.App/UI/Layout/CharacterCreationUiController.cs:465-473` (`Tick`'s reveal/occlude, not destroy/reconstruct); `src/AcDream.App/UI/Layout/CharacterCreationUiController.cs:265` (`Root.ClickThrough = false`); `src/AcDream.App/UI/Layout/CharacterManagementUiController.cs:663-672` (`ReconcileDialogs`' `snapshot.Error` arm, still ticking underneath); `src/AcDream.App/UI/Layout/RetailDialogFactory.cs:587` (`RefreshModal`, the shared `Modal` stack) | Both screens existing as permanent siblings is deliberately simpler than a byte-port of retail's destroy/reconstruct lifecycle (no framework-factory table, no `Show`/`__vecDelDtor` lifecycle to replicate), and every observable behavior a user can drive through the ordinary UI today matches retail (selection persists, input doesn't bleed, dialogs stay single-stacked) — the residual is a narrow, not-yet-observed race on a specific inbound-error timing, not a general design flaw. | If an inbound `CharacterError` lands on the character-management channel while chargen is the visible, focused screen, `UiRoot.Modal` could flip to a dialog owned by the occluded screen underneath, stealing input from the still-visible chargen screen — a state retail cannot reach because the occluded screen simply does not exist there. | `UIFlow::QueueUIMode @0x004793c0`; `UIFlow::UseNewMode @0x004796a0` (`Show(0)` → `__vecDelDtor(1)` → construct → `Show(1)`); `RecvNotice_CloseDialog @0x004e9883-0x004e989c` (Exit-confirm's `QueueUIMode(0x1000000a)`); `UIPersistantData::UIPersistantData @0x00479a00` (`m_iidSelectedAvatar`) |
-| AP-228 | **Filed 2026-08-16 at the CC5 re-review residual round (R4).** The Summary listbox's skill-row KEY (the skill's display name) sources from `ItemAppraisalTextFormatter.SkillName(int)` — a hardcoded English `switch` over the 54 skill ids — where retail's own `gmCGSummaryPage::SetSummaryText @ 0x0047b1d0` builds that same key from the DAT-sourced `SkillBase->_name` field via a `%hs` format substitution (`data_79f3f0`, `0x0047b90f`-`0x0047b915`). Same divergence CLASS as AP-226 (a hardcoded acdream string standing in for a DAT-sourced retail field) but the polarity is REVERSED: AP-226 is retail-static-vs-acdream-DAT-sourced, while here retail is the DAT-sourced side and acdream is the hardcoded side. The identical pattern is ALSO present at a second call site, CC4's Skills page (`CharacterCreationSkillsPage`), which builds its own row labels through the SAME `ItemAppraisalTextFormatter.SkillName` call — not a second, independent divergence, the same one surfacing twice. | `src/AcDream.App/UI/Layout/ItemAppraisalTextFormatter.cs` (`SkillName`), consumed by `src/AcDream.App/UI/Layout/CharacterCreationSummaryPage.cs` (`AddSkillBucket`) and `src/AcDream.App/UI/Layout/CharacterCreationSkillsPage.cs` | `SkillName` already backs every OTHER retail skill-name surface acdream has shipped (item-appraisal skill lines, wield-requirement text, usage-limit text — `ItemAppraisalTextFormatter`'s whole existing surface) — the Summary/Skills chargen pages reusing it keeps one skill-name source across the client instead of introducing a second, DAT-reading one for chargen alone. English-only is consistent with the rest of the client's current localization posture (no other surface reads a localized skill name from the DAT either). | A non-English or modded DAT install would show its real, localized skill names on retail's character sheet and item-examine windows but acdream's chargen Summary/Skills pages would keep showing the hardcoded English name regardless — a localization-only divergence, never a wire or gameplay difference (the skill id sent over the wire is unaffected). | `gmCGSummaryPage::SetSummaryText @ 0x0047b1d0` (`data_79f3f0`, `%hs` substitution `0x0047b90f`-`0x0047b915`) |
-| AP-227 | **Filed 2026-08-16 at the Campaign CC CC5 review-fix round, F9 (the Summary name field's empty-commit behavior).** Byte-decoded `gmCGSummaryPage::ListenToElementMessage @0x0047bf40` (`~0x0047bf93`): the length field it reads is NUL-inclusive (an empty field's length is 1 — the SAME finding AP-225's retirement/AP-226 both cite), and the WHOLE commit block — the `>32` check, `CharGenState::SetName`, AND `DoNameLimitDialog` — sits behind `if (length != 1)`. Blurring an EMPTIED field in retail is therefore a complete no-op: `CharGenState.name` stays whatever it held before, and the field visually shows empty while the internal name (what `DoFinish` actually sends) does not change. `CharacterCreationSummaryPage.CommitNameFromField` instead calls `SetName` unconditionally, including for an empty commit — the state always matches what the field just showed. | `src/AcDream.App/UI/Layout/CharacterCreationSummaryPage.cs` (`CommitNameFromField`) | Porting the exact skip was evaluated and rejected: it would fight `Refresh`'s own field-sync block (the F1 fix) — the NEXT unrelated Runtime revision bump (e.g. changing an attribute on another page, then returning to Summary) would see `field.Text ("") != snapshot.Name (the stale unchanged name)` and forcibly restore the OLD name into the emptied field, a spontaneous repopulation retail's own non-continuously-refreshed UI never produces. Always-clearing avoids that new failure mode at the cost of retail's exact one-frame field/state divergence. | A pixel-level side-by-side against retail would show: blur an emptied field, don't retype, click Finish — retail creates the character under the OLD (uncleared) name; acdream shows the `NoNameWarning` dialog instead (state genuinely empty). A narrow, one-interaction-wide behavioral difference, never silent (both paths produce a visible outcome, just a different one). | `gmCGSummaryPage::ListenToElementMessage @0x0047bf40` (`~0x0047bf93` length gate, `~0x0047bfb1` the gated block); `CharGenState::SetName` |
-| AP-226 | **Filed 2026-08-16 at the Campaign CC CC5 review-fix round, F11 (the Summary listbox's Profession/Gender/Heritage/Starting Town label sources).** Retail's `gmCGSummaryPage::SetSummaryText @ 0x0047b1d0` sources these four labels from four STATIC wide-string tables baked into the binary's data section: `pcProfessions[0x7] @ 0x008191a8` ("Custom", "Bow Hunter", "Swashbuckler", "Life Caster", "War Mage", "Wayfarer", "Soldier"), `pcGender[0x3] @ 0x008191c4` ("?", "Male", "Female"), `pcHeritage[0x5] @ 0x008191d0` ("?", "Aluvian", "Gharu'ndim", "Sho", "Viamontian"), `pcTown[0x4] @ 0x008191e4` ("Holtburg", "Shoushi", "Yaraq", "Sanamar") — each indexed directly by the character's `template_`/`mGender`/`mHeritageGroup`/`startArea` field, each guarded by an upper-bound-only range check (`template_ <= 6`, `mGender <= 2`, `mHeritageGroup <= 4`, `startArea <= 3`) with NO append at all when the index is out of range. Concretely: **`pcHeritage`'s guard is `mHeritageGroup <= 4` — heritage ids 5 and above (every NON-HUMAN heritage: Tumerok, Gearknight, Lugian, Empyrean, Penumbraen, Shadowbound, Undead, Olthoi, OlthoiAcid) are never appended, so retail's own Summary page renders a BARE `"Heritage: "` with no name at all for a non-human character** — a genuine retail quirk, not a decompiler artifact (confirmed by the same guard shape on all four tables). `CharacterCreationSummaryPage`'s port instead sources every label from the already-loaded `ChargenOptions` DAT model (`heritage.Templates[i].Name`, `gender.Name`, `heritage.Name`, `options.StarterAreas[i].Name`) and prints the literal `"None"` when the index is unresolved, for EVERY heritage including non-human ones — never a bare label. | `src/AcDream.App/UI/Layout/CharacterCreationSummaryPage.cs` (`ProfessionName`, `GenderName`, `RebuildListbox`'s `"Heritage: " + heritage.Name`, `StarterAreaName`) | The DAT-sourced names are the SAME strings a player already sees on every earlier chargen page (Heritage/Profession/Town pages all source from the identical `ChargenOptions` model) — reusing them keeps the Summary page internally consistent with the rest of the screen rather than introducing a second, static, English-only label source that could drift from the DAT (localization, a modded heritage table) or blank out for heritages retail's own hardcoded table never anticipated. | A pixel-level side-by-side against retail would show a non-human character's Summary "Heritage:" row completely empty of a name in retail (an accepted retail bug/limitation) versus acdream always showing the real heritage name — a cosmetic improvement, never a correctness or wire-format difference; a non-English/modded DAT install could theoretically show acdream a label retail's hardcoded English table never had, which is again strictly more informative, not less. | `pcProfessions[0x7] @0x008191a8`; `pcGender[0x3] @0x008191c4`; `pcHeritage[0x5] @0x008191d0`; `pcTown[0x4] @0x008191e4`; `gmCGSummaryPage::SetSummaryText @0x0047b1d0` (the four guard+append sites) |
-| AP-224 | **Filed 2026-08-15 at Campaign CC slice CC5 (the Summary listbox content).** Retail's `gmCGSummaryPage::SetSummaryText @ 0x0047b1d0` walks FOUR skill buckets (Specialized, Trained, UseableUntrained, UnuseableUntrained) and lists every skill name in each, via a nested loop over `skillRecordList`. `CharacterCreationSummaryPage.AddSkillBucket` lists Specialized and Trained only, skipping the two Untrained buckets — mirroring AP-213's own already-accepted Skills-page simplification precedent (same class of cut: presentation grouping, not correctness). Health/Stamina/Mana values reuse `CharacterCreationProfessionPage.Refresh`'s own already-cited `UpdateAttributeValues @ 0x00482450` formulas (Health=Endurance/2, Stamina=Endurance, Mana=Self) rather than this page's OWN `SetSummaryText` call site, whose two `GetAttribute` calls for Health/Stamina both show a literal attribute index of `2` in the decompiled pseudo-C — a decompiler-ambiguous pair the cleaner Profession-page citation sidesteps rather than reproduces uncritically. | `src/AcDream.App/UI/Layout/CharacterCreationSummaryPage.cs` (`RebuildListbox`, `AddSkillBucket`) | The two Untrained buckets would list the ~40+ skills the player did NOT touch — volume without decision-relevant information for a pre-Finish review screen; every skill's actual cost/level data remains identical and inspectable on the Skills page itself. The Health/Stamina/Mana citation choice favors a decomp site with an unambiguous formula over one with a decompiler artifact. | A player scanning Summary for "what am I NOT trained in" has to go back to the Skills page instead of seeing it listed here — a discoverability gap, not a correctness gap; the row TEMPLATE mechanism itself (three retail row types: single-line, header, key/value pair) is ported exactly, live-DAT-probe-confirmed, not simplified. **Correction, CC5 review-fix round F3 (2026-08-16): this last claim was FALSE as originally shipped — the skill rows this row's own `AddSkillBucket` builds used template 0 (single line, name only) instead of template 2 (key/value pair, `CharGenState::GetSkillScore @ 0x005C4B50` as the value) and its bucket headers were added lazily (only when the bucket had a match) instead of retail's own unconditional add. Both are fixed this round (`RetailSkillFormula.CalculateChargenScore`, wired via the new `CharacterCreationRuntimeBindings.GetSkillScore` binding) — the "ported exactly, not simplified" claim is true again, but it was not verified against the ACTUAL row template/value at CC5 ship time, only against the listbox's INDEX/TYPE shape — and even now that claim covers the row's VALUE and TEMPLATE shape only. **Further correction, CC5 re-review residual round R4 (2026-08-16): the row's KEY (the skill name) was never covered by the "ported exactly" claim at all — it is a separate, pre-existing divergence (AP-228) this fix neither introduced nor closed.** A SEPARATE, more severe bug surfaced writing this round's own regression test (F12(d)): `CharacterCreationSummaryPage`'s constructor never assigned `_list.TemplateResolver` at all (every sibling `UiTemplateListBox` owner — `CharacterCreationSkillsPage`, `CharacterManagementUiController`, every Options-panel controller — does this in its own constructor; this page never did), so `ResolveTemplateRow`'s own null-resolver guard made EVERY `RebuildListbox` call a silent no-op — the Summary listbox rendered NO rows at all (not just wrong-template skill rows) from CC5's ship date until this fix. Also fixed this round (`CharacterCreationSummaryPage`'s new `templateResolver` constructor parameter).** | `gmCGSummaryPage::SetSummaryText @ 0x0047b1d0`; `CharacterCreationProfessionPage.Refresh`'s own `UpdateAttributeValues @ 0x00482450` citation; `CharGenState::GetSkillScore @ 0x005C4B50`; `SkillFormula::Calculate @ 0x00591960` |
-| AP-223 | **Filed 2026-08-15 at Campaign CC slice CC5 (the F12 amendment's own explicit ask — see AP-214's now-retired "Latent Finish-path interaction" note).** `RuntimeCharacterCreationState.TryBeginFinish` gains a NEW local refusal, `HeritageOrGenderUnset`, checked right after the empty-name check. Retail's own `gmCharGenMainUI::DoFinish @ 0x004E9170` has NO such check in the decompiled code — but it doesn't need one: `RandomizeCharacter` at ctor time (now ported, see AD-101/AP-212/AP-214's history) guarantees heritage+gender are ALWAYS real by the time any page — including Summary/Finish — exists. This refusal is acdream's OWN defensive backstop for a caller that reaches `Finish` without that screen-open roll ever having run (a headless bot driving `RuntimeCharacterCreationState` directly, or a future caller that bypasses `CharacterCreationUiController.Open`). Under the ordinary UI it is normally unreachable (the roll always fires first). | `src/AcDream.Runtime/Session/RuntimeCharacterCreationState.cs` (`RuntimeCharacterCreationLocalRefusal.HeritageOrGenderUnset`, `TryBeginFinish`) | Retail's own guarantee is architectural (a roll that always runs before any page exists), not a runtime check — acdream's UI reproduces the roll (`CharacterCreationUiController.Open` → `RollOpeningCharacter`) but a direct Runtime caller could still skip it, so a local refusal is the honest choice over silently sending a heritage-0/gender-0 wire request ACE would likely reject anyway for unrelated reasons. | A caller that bypasses the normal screen-open path and calls `Finish` before ever selecting heritage/gender gets a local refusal instead of a wire round-trip to discover the same failure — no server-visible consequence either way. | `gmCharGenMainUI::gmCharGenMainUI @0x004e7eb0` (`~0x004e81f5-0x004e8218`, the ctor-time roll); `CharGenState::RandomizeCharacter @0x005c6d80`; `gmCharGenMainUI::DoFinish @ 0x004E9170` (no heritage/gender check present) |
-| AP-206 | **Filed 2026-08-11 at Campaign OP gate 4 (#382).** `UiButton.TrySetRetailState`'s DirectStateId branch now requires REAL `""`-keyed media (`HasStateMedia("")`) before accepting a DirectState transition; a `_mediaInfo.States` entry that exists ONLY as a property bag (every button carries one, holding ToggleBehavior/RolloverEnabled/etc regardless of whether it authors blank media) no longer counts. A reference-identity-verified live-DAT probe found the chat window's four floating-window indicator buttons (`0x10000522`-`0x10000525`) resolve their own correct `ActiveState="Normal"` at construction, then get blanked to `""` moments later in the SAME `LayoutImporter.Build` call: the indicator column's backing panel (`0x10000600`) authors `PassToChildren=true` on its own empty DirectState (confirmed live: `States[0xFFFFFFFF].PassToChildren == true`), and `LayoutImporter.BuildWidget`'s post-attach state reapply (needed so retained PassToChildren TABS get their authored Open/Closed child media) cascades that DirectState to every `IUiDatStateful` child — including these already-correctly-resolved buttons. Retail's own decompiled `UIElement::SetState @0x00464e70` commits its `m_curStateDesc`/`m_state` unconditionally once `ElementDesc::AccessStateDesc` finds ANY StateDesc (media or not) and does the exact same blind per-child cascade; retail avoids this exact bug purely through construction TIMING — `UIElement::Initialize`'s `SetState(m_defaultState)` call is the SECOND operation in the function, before any child-tree construction, so a PassToChildren cascade fired during import always iterates zero children in retail. Our port's `LayoutImporter.BuildWidget` deliberately reapplies AFTER children are attached (the opposite order), so this literal 1:1 state-machine port needed a compensating guard rather than a full reapply-ordering rewrite (out of scope for this fix; `CharacterStatController`'s own three-chrome-children PassToChildren cascade depends on the current ordering and is left untouched). | `src/AcDream.App/UI/UiButton.cs` (`TrySetRetailState`'s `stateId == UiStateInfo.DirectStateId` branch) | Scoped to `UiButton` only — `UiDatElement.TrySetRetailState`'s parallel DirectStateId branch (and the cascade mechanism itself) are UNCHANGED, so every existing PassToChildren consumer keeps its current behavior; the fix only stops an UNRELATED ancestor's cascade from overriding a button's OWN already-resolved, independently authored state with an empty one it never asked for. | If a future button is EVER meant to render literally blank at rest via a cascaded DirectState with no authored `""` media, this guard would reject that transition (falls back to its previous `ActiveState`) — no such button is known to exist today; `UiButtonTests.DirectStateTransition_WithRealMedia_StillSucceeds` documents that an AUTHORED blank state still works. | `UIElement::SetState @0x00464e70` (cascade + unconditional commit); `UIElement::Initialize @0x00462c90` (SetState call precedes child construction) — both in `docs/research/named-retail/acclient_2013_pseudo_c.txt` |
-| AP-205 | **Filed 2026-08-11 at Campaign OP gate 4 (#381).** The Apply/Reset/Defaults footer on the Character/Chat/Config tabs draws an opaque, borderless backing field (`UiSolidSpriteFill`, tiling `RetailChromeSprites.CenterFill` — the SAME panel-background sprite the Options window's own `UiNineSlicePanel` chrome already tiles behind everything) behind the three buttons. A live-DAT probe (scratch console app against `DatCollectionAdapter`, 2026-08-11) found retail authors NO such element: each page root (`0x100001F9`/`0x100001FF`/`0x1000050A`) has EXACTLY five children — the row ListBox, its scrollbar, and the three physical buttons — with zero direct-state media on the root itself. Scrolled row content therefore bled through visibly between/behind the buttons before this fix. | `src/AcDream.App/UI/UiSolidSpriteFill.cs`; `src/AcDream.App/UI/Layout/OptionsPanelController.cs` (`AddFooterBacking`) | Reusing the SAME sprite the rest of the window's chrome already draws keeps the synthesized field visually indistinguishable from an authored one rather than inventing a new color; the field is `ClickThrough=true` and z-ordered strictly behind every other child, so it cannot intercept input or occlude the buttons themselves. | A reviewer comparing a byte-exact retail screenshot to acdream will see one extra opaque rect retail never authors — cosmetically invisible (it exactly matches the surrounding chrome), so the only observable difference IS the fix (content no longer bleeding through). If a future page's footer strip ever needs a DIFFERENT background (a themed panel, a translucent tab), this hardcoded `CenterFill` reuse would need revisiting. | Live-DAT probe, 2026-08-11 (page-root child-count/direct-state-media dump against `client_local_English.dat`, LayoutDescs `0x21000028`/`0x21000029`/`0x2100005C`) — no retail element to cite since none exists |
-| ~~AP-201~~ | **RETIRED 2026-08-11 at the Campaign OP gate-3 fix round (closes #371).** UiScrollablePanel now marks ClipsChildren=true (the draw walk and hit-test both route through UiRenderContext.PushClip, which existed by retirement time) and its cull predicate keeps any INTERSECTING row visible - a straddling row renders its visible slice instead of vanishing whole. The user-observed symptom this row predicted (the Chat tab per-window filter blocks reading as MISSING at the default scroll offset, gate 3) is the exact acceptance evidence. Original filing follows for the record: filed at the OP5 review-fix round (S2), predates OP5 but was made user-visible by it. `UiTemplateListBox`'s internal row viewport (`UiScrollablePanel.LayoutScrollableChildren`) culls a child WHOLE — `child.Visible = top >= -0.5f && top + child.Height <= Height + 0.5f` — rather than clipping the visible portion of a row that straddles the viewport edge, because the UI renderer has no scissor stack. Retail's own `UIElement_ListBox`/scroll-region rendering clips partially-visible rows at the pixel boundary, same as any native scroll view. Every row in this viewport was 8-36px until Campaign OP slice OP5 added five self-sized filter blocks (12x20=240px / 13x20=260px, AP-195) to the Chat tab's ~560px viewport; a 240-260px block straddling the viewport edge at a given scroll offset now disappears ENTIRELY (a visible "pop") instead of clipping, where the pre-OP5 8-36px rows made the same all-or-nothing cull read as ordinary row-granular scrolling. | `src/AcDream.App/UI/UiScrollablePanel.cs:69` (the cull predicate); consumed by `src/AcDream.App/UI/UiTemplateListBox.cs` (`Viewport`) — the Character/Chat/Config Options-panel tabs and any other controller-built row list sharing this viewport | A scissor stack does not exist anywhere in the retained-UI renderer yet (class's own doc comment, `UiScrollablePanel.cs:8-12`, predates this row); whole-row culling is a correct, cheap stand-in for every list whose rows are small relative to the viewport, which was true for every consumer before OP5. | A tall block (any future row taller than roughly the viewport's own height, not just OP5's filter blocks) can vanish completely for a range of scroll offsets instead of showing a partial view — the OP5 gate script's own step 2 documents the exact symptom so it is not mistaken for a self-sizing regression (`docs/research/2026-08-11-campaign-op-test-script.md`). Scrolling further always restores the block whole; no data or state is lost, only the presentation pops. | No scissor-stack retail oracle needed — this is a stand-in for ordinary native clip-rect rendering every GUI toolkit (including retail's own) provides; issue #371 tracks adding a real per-row clip rect to `UiScrollablePanel` |
-| AP-202 | **Filed 2026-08-11 at Campaign OP slice OP8 (D4).** Configure Keyboard persists every rebind to `keybinds.json` only. Retail's own storage is a `\Asheron's Call\.keymap` text file (`CInputManager_WIN32::SaveKeyMap @0x00686C20`, `PFileParser`), with Load-File/Save-As buttons for NAMED keymap profiles and a `keymap` key in `UserPreferences.ini` selecting which one loads at startup (research doc §5.7). D4 chose the existing, tested `keybinds.json` schema over building a second `PFileParser`-compatible text codec + named-profile management; this row's the Load File/Save As buttons on the Configure Keyboard screen (`0x10000027`/`0x10000029`) are wired but INERT. | `src/AcDream.App/UI/Layout/KeyboardConfigController.cs` (`WireScreenButtons`'s Load/Save-As no-op); `src/AcDream.UI.Abstractions/Input/KeyBindings.cs` (`SaveToFile`/`LoadOrDefault`) | `keybinds.json` already round-trips every retail action this screen can bind (identity table + the DAT-defaults conformance test), so the ONLY capability lost is exchanging `.keymap` files with a real retail client or another acdream install by named profile — a real feature gap, not a correctness gap. | A user who expects to export/import a named `.keymap` profile (e.g. to share a control layout with a retail-client friend) cannot; every rebind still works and persists locally. | `docs/research/2026-08-10-keyboard-config-and-gameplay-tab.md` §5.7-§5.8; `CInputManager_WIN32::SaveKeyMap @0x00686C20`; `gmKeyboardUI::SaveKeymap @0x004DCF90` |
-| AP-203 | **Filed 2026-08-11 at Campaign OP slice OP8.** Of the DAT ActionMap's 306 user-bindable rows, `RetailActionIdentityTable` (`src/AcDream.UI.Abstractions/Input/RetailActionIdentityTable.cs`) resolves roughly half to a live acdream `InputAction`; the rest render, bind, conflict-check, and persist (via `RetailUnmappedKeyBindings`, a sibling `*-unmapped.json` file) exactly like any other row, but have no live gameplay consumer to dispatch through. The two largest classes: 82 of 87 Emote rows (only Cry/Laugh/Cheer/Wave/PointState dispatch an animation today — acdream has no general emote-animation player), and all 48 CharacterSettings hotkey rows (ctx `0x10000008` — these are hotkeys for the SAME `PlayerOption`/`CharacterOptions` preference bits OP1's `CharacterOptionTable` and OP4's Character-tab checkboxes already model; wiring "press this key, flip that same server-synced bit" is a real feature, a hotkey-to-option-toggle dispatcher, that does not exist anywhere in acdream yet). Smaller residuals: Spell Slot 10-12, Quickslot 10-13 (both hit a PRE-EXISTING `InputAction` enum gap this slice did not introduce), and roughly twenty UI-panel-toggle rows for panels acdream has no analog for (Vitae/Link Status/House/Map/Character Info/the two Magic panels/...). | `src/AcDream.UI.Abstractions/Input/RetailActionIdentityTable.cs` (class doc has the full accounting); `src/AcDream.App/UI/Layout/KeyboardConfigController.cs` (`CurrentForUnmapped`/`SetForUnmapped`) | Guessing a mapping for an ambiguous row risks silently misrouting a rebind to the wrong gameplay action (worse than an honest "not wired yet" — the identity table's own class doc states this directly); every mapping that WAS added was cross-verified two ways (label match + DAT-default-vs-`KeyBindings.RetailDefaults()` byte match, see `RetailActionIdentityRoundTripTests`). | A user rebinds e.g. an emote or a CharacterSettings hotkey on the Configure Keyboard screen and the binding persists but has no observable in-game effect — matches retail's OWN screen shape (the row exists, is bindable) while honestly lacking retail's gameplay behavior behind it. ADDENDUM (2026-08-11, OP8 re-review round 2): this row's scope EXPLICITLY includes the ten CameraAlternateControls (InputMap 0x6) rows the M2 de-alias narrowed to store-only — a case the generic wording understated because their SIBLING rows (InputMap 0x5, the same verbs) ARE live on the same screen: the 0x6 rows display their DAT-default arrow keys (display-only seeding), persist user edits, and drive nothing; only the 0x5 scheme reaches the InputDispatcher. Store-only rows are also EXCLUDED from the conflict universe (they cannot actually collide) — mapped cross-context sharing remains ISSUES #373. | `docs/research/2026-08-10-keyboard-config-and-gameplay-tab.md` §5.1-§5.3; live-DAT probe 2026-08-11 (306-row/six-ActionClass accounting, `RetailActionMapReaderTests`) |
-| ~~AP-204~~ | **RETIRED 2026-08-11 at the OP8 rework (M3, combined review).** Originally filed for two narrowings: (1) silent auto-reassign on a cross-row conflict instead of retail's modal `OpenOverwriteBindingDialog`, and (2) OK/Cancel wired as left-click instead of retail's right-click-release gesture. (1) is FIXED — `KeyboardConfigController.BeginSlotCapture` now opens a real confirm dialog through `RetailDialogFactory.MakeConfirmation` (the SAME seam `GameplayConfirmationController` uses) BEFORE reassigning, listing every conflicting row (N-way), and only applies on accept; decline leaves every row untouched. (2) is NOT fixed and does not warrant its own row: it is authored-input-only with zero observable difference to a user (retail's own right-click-release on just this pair of buttons carries no distinguishing visual cue either, and every other Campaign OP button already uses left-click) — noted as a code comment at the OK/Cancel wiring site instead of a register row, matching this register's convention of reserving rows for divergences that could produce an observable symptom. | `src/AcDream.App/UI/Layout/KeyboardConfigController.cs` (`FindConflicts`/`BeginSlotCapture`; `WireScreenButtons`'s OK/Cancel `OnClick` comment); `src/AcDream.App/UI/RetailUiRuntime.cs` (`MountKeyboardConfig`'s `ConfirmOverwrite` wiring) | — | — | `docs/research/2026-08-10-keyboard-config-and-gameplay-tab.md` §5.4 (`UIOption_ActionKeyMap::KeyHitHandler @0x00489570`, `OpenOverwriteBindingDialog @0x00488BF0`, `OpenCantOverwriteBindingDialog @0x00489300`) and §5.5 (OK/Cancel `idMessage 0x19` gesture) |
-| AP-194 | `CharacterOptionTable`'s `ClientDefault` column (what the Character tab's Defaults button restores) disagrees with the raw constructor default word for three ids: `ConfirmVolatileRareUse` (`0x2D`), `ShowHelm` (`0x2F`), and `ShowCloak` (`0x32`) are all ON in retail's constructor default `CharacterOptions2 = 0x00948700` (`PlayerModule::PlayerModule @0x005D51F0`, byte-verified literal write) but report default-OFF via `PlayerModule::GetDefaultOptionValue @0x005D2A30`, whose own per-option table stops at id `0x2A` and returns `false` for everything past it. This is retail's OWN behavior, reproduced deliberately — the Defaults button does not reproduce a fresh `PlayerModule`. **CONFIRMED 2026-08-11 at Campaign OP slice OP4**: `CharacterOptionsPageController` seeds every `BoolOptionRow`'s default directly from this column (`EveryRow_DefaultValue_MatchesCharacterOptionTableClientDefault`, `tests/AcDream.App.Tests/UI/Layout/CharacterOptionsPageControllerTests.cs`); the directive below was followed, not re-litigated. OP4 also independently traced retail's OWN mechanism for the Character tab specifically — `UIOption_Checkbox::SetPlayerOption @0x00486e80` (pseudo-C line 147375) sets `m_default` directly from `GetDefaultOptionValue`, confirming this column (not the separate `DBPropertyCollection`/`InqDefaultGameplayOptionProperty` mechanism that governs the Chat/Config tabs' `m_propName`-bound rows) is the correct and ONLY source for this tab. | `src/AcDream.Runtime/Gameplay/CharacterOptionTable.cs` (`ClientDefault` column; see the type's XML doc); `src/AcDream.App/UI/Layout/CharacterOptionsPageController.cs` | Byte-verified at both addresses (wire research §2.5 for the constructor literals, §8.2 for `GetDefaultOptionValue`'s own table and bounds check) — this is not a guess, it is retail's documented quirk. "Fixing" it to match the constructor default would make acdream's Defaults button MORE correct than retail's own, which is the opposite of this project's goal. | A future OP-campaign slice (OP4, the Character tab's Defaults button) must consult THIS column, not the constructor default word, or a future reader may "fix" this back and silently diverge from retail. | `PlayerModule::GetDefaultOptionValue @0x005D2A30`; `UIOption_Checkbox::SetPlayerOption @0x00486e80` (N-4 anchor-column correction, OP4 review-fix round 2026-08-11 — was mislabeled `PlayerModule::SetPlayerOption`, same address, wrong class); `PlayerModule::PlayerModule @0x005D51F0`; `docs/research/2026-08-10-set-character-options-wire.md` §8.2 |
-| AP-193 | Character option id `0x34` (`ListenToPKDeathMessages` / "Listen to PK death messages") is mapped to `CharacterOptions2` bit `0x02000000` and modeled as a batched (non-auto-save) option purely on ACE's own enum — the id does not exist in the 2013 EoR PDB (`PlayerOption` there terminates at `TotalNumberOfPlayerOptions_PlayerOption = 0x34`), so neither the mask nor its `IsAutoSaveOption`/`GetDefaultOptionValue` classification is byte-verifiable against our binary. | `src/AcDream.Runtime/Gameplay/CharacterOptionTable.cs` (`HearPkDeathMessages` row) | The user's retail memory (and ACE's own `CharacterOption` enum) both carry this option; shipping wire+store coverage for it is strictly better than omitting the row the Character tab's screenshots show, and ACE never actually reads the bit server-side (`PlayerFactory.cs:659-660` — "possibly was added to Defaults post PDB we have"), so a wrong id/mask/auto-save guess here has zero server-observable consequence either way. | If the final EoR client's real id/mask/auto-save classification ever surfaces (a later PDB, or a byte-level trace against a 2015+ binary), this row's values may be wrong and need correcting — until then treat them as ACE-sourced, not retail-verified. | ACE `PlayerFactory.cs:659-660`, `CharacterOptions2.cs` (`ListenToPKDeathMessages = 0x02000000`); `named-retail/acclient.h:4162-4218` (2013 `PlayerOption` terminates at `0x34`); `docs/research/2026-08-10-set-character-options-wire.md` §8.1 |
-| ~~AP-196~~ | **RETIRED 2026-08-11 at Campaign OP slice OP9.** Filed at the OP4 review-fix round (MUST-FIX 3/blast M2) recording that OP4's Group-C re-point deleted only three of the eight re-pointed `GameplaySettings` fields (`AutoTarget`/`AutoRepeatAttack`/`ViewCombatTarget`), leaving `VividTargetingIndicator`/`CoordinatesOnRadar`/`LockUI`/`AcceptLootPermits`/`ToggleRun` behind as WRITE-BEHIND `settings.json` persistence/draft mirrors of the now-authoritative server bit (plus a "two writable copies" default-source change, ADDENDUM historical only). OP9 verified all remaining `GameplaySettings` members — those five plus `ShowTooltips`/`SideBySideVitals`/`SpellDuration`/`AllowGive`/`ShowHelm`/`ShowCloak`/`AdvancedCombatUI`/`UseMouseTurning`, 13 total — already had a live server-bit home in `RuntimeCharacterOptionsState` (11 as OP4 Character-tab rows through `CharacterOptionTable`/`CharacterOptionsPageController`; `LockUI` through `/lockui` + the PlayerDescription `SetUiLocked` convergence, deliberately not a Character-tab row; `UseMouseTurning` through the Gameplay-tab mouse-macro button + the Config tab's Use-Mouse-Turning row — OP9 review NIT 6's channel-attribution correction) and deleted the `GameplaySettings` record outright — the type, the `SettingsStore.LoadGameplay`/`SaveGameplay` plumbing, and `RuntimeSettingsController`'s `Gameplay` property/`SetAcceptLootPermits` write-behind method — closing the "two writable copies" gap for good: there is no longer a second store to diverge from server truth. | `src/AcDream.App/Settings/RuntimeSettingsController.cs`; `src/AcDream.App/UI/Layout/CharacterOptionsPageController.cs`; `src/AcDream.Runtime/Gameplay/CharacterOptionTable.cs` | — | — | `docs/research/2026-08-10-character-options-map.md` §7.1/§7.2 (Group C re-point directive); `CharacterOptionTable.cs` |
-| AP-197 | **Filed 2026-08-11 at the OP4 review-fix round (SF-1/S4).** "Display Timestamps" hardcodes retail's `PlayerModule` constructor-default format string `"%#H:%M:%S "` rather than reading the PER-CHARACTER override `GenericQualitiesData::InqString(m_pPlayerOptionsData, 1, &m_TimeStampFormat)` carries when the wire's `GenericQualitiesData` string-key `1` is populated — acdream's `PlayerDescription` parser reads and discards that field (wire research doc: "timestamp string (`0x80`) \| read, discarded \| ❌ \| never sent"). | `src/AcDream.Core/Chat/ChatLog.cs` (`FormatTimestampPrefix`); parser site cited at `docs/research/2026-08-10-set-character-options-wire.md:647` | The 2013 client's own constructor default is the only format any fresh/default character would ever show — retail ships no options-panel control that authors a custom one — so hardcoding the one value every real player sees is a safe, honest approximation until a consumer needs the per-character override. | A character whose account somehow carries a non-default persisted timestamp format (a modded/legacy server, or a hypothetical later retail patch exposing a UI for it) sees acdream render the DEFAULT format instead of their stored one — cosmetic only (still a valid H:MM:SS-shaped timestamp), never a wire or data-loss risk. | `PlayerModule::PlayerModule @0x005D51F0` (ctor default literal); `GenericQualitiesData::InqString` call site (wire doc §3.3); `docs/research/2026-08-10-set-character-options-wire.md` U6 |
-| AP-198 | **Filed 2026-08-11 at Campaign OP slice OP6; CORRECTED at the OP6 rework round (2026-08-11, review N1/S2) — the row count was ALWAYS ten (this row's own enumeration always listed ten items); the commit message that said "nine" was the error, now reconciled, and `Render_ScreenBrightness` no longer overloads `Gamma`.** The Config tab's "Graphics Options" + "Rendering Quality Options" sections author ten rows with no acdream renderer consumer: `Render_ScreenBrightness` (its OWN `DisplaySettings.ScreenBrightness` field, range [-1,1] default 0 — NOT the pre-existing `Gamma` multiplier, which has a different unit system and its own live legacy Settings-panel consumer; no gamma-correction pass exists for either), `Render_AutomaticDegrades`, `Render_GraphicsPerformance`, `Render_DegradeDistance`, `Render_LandscapeTextureDetail`, `Render_EnvironmentTextureDetail`, `Render_TextureFiltering`, `Render_LandscapeDrawDistance`, `Render_BuildingDetailTextures`, `Render_MultiPassAlpha`. acdream's world renderer is Vulkan driven by ONE aggregate `QualitySettings`/`QualityPreset` (near/far streaming radii, anisotropic level, alpha-to-coverage, completion budget) — there is no per-feature texture-detail/degrade-distance knob for any of these ten rows to drive. Each round-trips faithfully through `DisplaySettings`/`SettingsStore` and shows retail's own row/label/range (where applicable), with zero observable render effect. **Sub-note, `Render_LandscapeDrawDistance` specifically:** its retail default (`gmConfigUI::InitOptions @0x0049E70D`, `SetDefaultValue(8)`) does not index its own 6-entry `UIPreferences::SetEnumChoices` array (`ID_Graphics_Value_VeryLow`..`Extreme`, `gmClient::InitUIPreferences @0x004041b7`) — reproduced faithfully as an opaque `int` (`DisplaySettings.LandscapeDrawDistance`), not guessed into a clamped index; the Config-tab menu simply shows no highlighted selection at the default. | `src/AcDream.UI.Abstractions/Panels/Settings/DisplaySettings.cs`; `src/AcDream.App/UI/Layout/ConfigOptionsPageController.cs` (`BindGraphicsSection`/`BindRenderingQualitySection`) | Building ten dead per-feature render knobs into a Vulkan renderer that has no analogous per-feature toggles would be pure UI theater with no correctness payoff; persisting them faithfully keeps the panel honest (every row is clickable, nothing crashes, nothing silently discards a user's choice) while the register makes the "no effect" fact auditable rather than a silent gap a future report would have to re-discover. | A user who changes any of these ten Config-tab controls sees no visual change and, for `LandscapeDrawDistance` specifically, may see no highlighted menu item even after Defaults — both are the CONTRACTED behaviour for this row, not a bug. | `gmConfigUI::InitOptions @0x0049E400`; `gmClient::InitUIPreferences @0x004035b0` (`UIPreferences::AttachPreference`/`SetEnumChoices` calls); `src/AcDream.App/Settings/RuntimeSettingsController.cs` (`QualitySettings`/`ReapplyQualityPreset`) |
-| AP-199 | **Filed 2026-08-11 at Campaign OP slice OP6; CORRECTED at the OP6 rework round (2026-08-11, review M2) — the field names and the "gating to zero when disabled" wording were describing an INVERTED, muted-by-default bug, not the shipped behaviour.** The Config tab's "Sound Options" section authors three rows with no acdream consumer: `Sound_SoundFeatures` (Stereo/Mono menu — acdream's OpenAL backend has no channel-count toggle), the Interface Sound toggle+slider trio (`Sound_InterfaceSoundDisabled`/`Sound_InterfaceSoundVolume` — AP-174 already documents this as retail's OWN dead knob, "registered and then never read... interface sounds are scaled by the EFFECT knob"; acdream matches that exact behaviour rather than building a working Interface bus), and `Sound_PlaySoundOnlyWhenActive` (no window-focus-based audio mute subsystem exists). All three round-trip faithfully through the new `AudioSettings.SoundFeatures`/`InterfaceEnabled`/`InterfaceVolume`/`PlaySoundOnlyWhenActive` fields. The Sound and Ambient trios' own toggle+slider pairs are NOT covered by this row — `SfxEnabled`/`AmbientEnabled`/`Sfx`/`Ambient` are LIVE (`RuntimeSettingsController.SaveAudio` now pushes into `OpenAlAudioEngine` on every change; the effective volume is zero only when the corresponding `*Enabled` flag is false — retail's own `SoundManager::effect_sounds_enabled`/`ambient_sounds_enabled` statics default to enabled, so a fresh profile is audible, not muted). | `src/AcDream.UI.Abstractions/Panels/Settings/AudioSettings.cs`; `src/AcDream.App/UI/Layout/ConfigOptionsPageController.cs` (`BindSoundSection`) | Matches the SAME reasoning AP-174 already established for the Interface knob specifically; Sound Features and Play-Only-When-Active are honest new store-only rows with no existing or planned acdream subsystem to bind (stereo/mono output selection and window-focus audio gating are both out of this campaign's scope). | A user who changes any of these three Config-tab controls sees/hears no change — the CONTRACTED behaviour, matching retail's own Interface-knob precedent for two of the three. | `gmClient::InitUIPreferences @0x004035b0` (`AttachPreference(&Sound_SoundFeatures, ...)`/`&Sound_InterfaceSoundDisabled`/`&Sound_InterfaceSoundVolume`/`&Sound_PlaySoundOnlyWhenActive`); AP-174 (Interface-knob precedent); `SoundManager::InitPrefs @0x005503F0` (`UserPreferences::RegisterPreference` binding the enabled-sense statics) |
-| AP-200 | **Filed 2026-08-11 at Campaign OP slice OP6.** The Config tab's "UI Options" section authors `UI_ChatFontFace`/`UI_ChatFontSize` menu rows (retail Windows TrueType face name / a Tiny-Small-Medium-Large-XLarge size-tier enum). These are DELIBERATELY separate NEW fields (`ChatSettings.ChatFontFace`/`ChatFontSizeIndex`) rather than reusing the existing LIVE `ChatSettings.FontSize` (a 10..20pt float acdream's chat panel already renders with) — there is no verified index-to-point mapping from retail's five-tier enum to that float range, and acdream's text rendering has no arbitrary system-font-face swap capability (DAT-baked/bitmap fonts only, not OS TrueType files). Store-only round-trip; `FontSize` is untouched by these two rows. | `src/AcDream.UI.Abstractions/Panels/Settings/ChatSettings.cs`; `src/AcDream.App/UI/Layout/ConfigOptionsPageController.cs` (`BindUiSection`) | Inventing a size-index-to-point mapping without retail evidence would risk silently overwriting `FontSize`'s own already-live, user-visible behaviour with a guessed value; keeping the two concepts separate is the honest choice until a byte-verified mapping (or a font-face-swap capability) exists. | A user who changes either Config-tab font control sees no chat-panel rendering change; the SEPARATE, pre-existing font-size control (wherever acdream currently exposes `ChatSettings.FontSize`) remains the only live one. | `gmClient::InitUIPreferences @0x0040387b`/`@0x00403a1a` (`AttachPreference(&UI_ChatFontFace, ...)`/`&UI_ChatFontSize`, `SetEnumChoices` choice arrays "Arial"/"Tiny".."XLarge") |
-| AP-172 | **Filed 2026-08-08 (#354 fix — spell-bar drag reorder).** Retail removes a lifted favorite from `PlayerModule` (+ UI list + wire) the instant a drag starts and the remaining shortcuts visibly slide left to close the gap for the rest of the gesture (`RecvNotice_ItemListBeginDrag` → `RemoveSpellFromMenu`, live). acdream's controller performs the same PlayerModule/wire removal at drag-begin but DEFERS the whole favorite-list's visual rebuild until the drag concludes (drop or off-bar release) — the lifted cell's icon stays visible in its old slot and siblings do not slide until release, instead of reflowing continuously through the gesture. `DropFavorite` compensates by porting retail's own `AddFavorite`-side index adjustment (decrement the target index by one when the lifted item's original index was before it) against the now-intentionally-stale sibling numbering, so the FINAL landed position is byte-identical to retail's in every case exercised (`DragFavoriteOntoAnotherSlot_ThroughTheRealPointerPipeline_ReordersAndSyncsWire`). **NARROWED + CORRECTED 2026-08-08 (drop-ring change).** Correction: this row originally claimed empty-tail-slot drops were "already-live-count-relative and are untouched" — false. The #354 `-1` adjustment sat inside `DropFavorite`, which the empty-cell path also calls, so its live-count-clamped (post-lift-numbered) index was double-corrected: lifting a non-last favorite onto the empty tail landed it second-to-last instead of last. `FavoriteDropIndex` is now THE one landing computation and applies retail's rule exactly — the `-1` is gated on the lifted spell's pre-lift-numbered removal site (retail's `RemoveSpellFromMenu`-return-gated decrement @0x004C7157), which for a live-numbered empty-tail target is retail's `RemoveSpellFromMenu == -1` no-adjustment case (test `SpellFavoriteDrag_DroppedOnTheEmptyTail_AppendsAtTheEnd` fails against the double-correcting code). Narrowing: the mid-drag presentation now includes retail's authored drag-over Accept ring — `SpellCastSubMenu::OnItemListDragOver` @0x004C5990 setting the per-cell authored DragAccept child (element 0x1000045A, `UIElement_UIItem::PostInit` @0x004E1870) to `ItemSlot_DragOver_Accept` (UIStateId 0x10000040 → authored art 0x060011F9) on the hovered cell while a spell drag is live, cleared on leave/drop (`UiCatalogSlot.DragOverAcceptance` → `UiItemSlot.DrawDragAcceptOverlay`), with the ring and the drop sharing `FavoriteDropIndex` so the ring cannot promise a different landing. | `src/AcDream.App/UI/Layout/SpellcastingUiController.cs` (`BeginFavoriteDrag`, `EndFavoriteDrag`, `DropFavorite`, `Tick` — the `_favoriteDragActive` gate) | `UiRoot`'s subtree-removal safety net (`ClearSubtreeOwnership`, `UiRoot.cs:240-247`) cancels any in-flight drag whose source widget is destroyed, and `Rebuild()` tears down and recreates every cell in the list (`UiItemList.Flush` → `RemoveChild` per cell) rather than incrementally diffing. Left unguarded, the press-time removal's `SpellbookChanged` event would let the very next per-frame `Tick()` (production drives this unconditionally via `RetailUiRuntime.Tick`) destroy the cell driving the gesture and silently cancel the reorder before the user could complete the drop — this was the reported bug. Deferring the rebuild for the gesture's duration is the minimal fix that does not touch the shared `UiRoot` drag machinery every other panel (toolbar/inventory/vendor/paperdoll) also depends on. | A future rewrite that makes `Rebuild()` an incremental per-cell diff (add/remove/reflow one cell) instead of flush-and-recreate-all would make this deferral unnecessary and should retire this row along with it — until then, a player watching their OWN spell bar mid-drag sees the vacated slot's icon linger and siblings snap into place only on release, rather than reflowing live as retail does — and one ring consequence of that frozen bar: when dragging rightward past the source, the Accept ring's SCREEN slot sits one cell right of where the icon finally lands (retail's live-reflowed bar makes them coincide); the ring is on the correct CELL in both — the spell lands immediately before that cell's spell, retail's exact insert-before semantic. No effect on final position, the wire pair sent, or any other panel; cross-window spellbook→favorite drops are live-count-relative and untouched (the empty-tail claim this sentence used to carry was corrected 2026-08-08 — see the Divergence column). | `gmSpellcastingUI::RecvNotice_ItemListBeginDrag` @0x004C7360 (`SpellCastSubMenu::RemoveSpellFromMenu`, immediate live-list removal at lift); `SpellCastSubMenu::AddFavorite` @0x004C7060 (`RemoveSpellFromMenu`'s return value gating the `-1`-if-lifted-before-target `m_numSpells` adjustment before `ItemList_InsertSpellShortcut`); `PlayerModule::AddSpellFavorite` @0x005D43E0 (`InsertPos`); `PlayerModule::RemoveSpellFavorite` @0x005D4910 |
-| AP-160 | **Filed 2026-08-07, Slice 5.3 (vendor browse lifecycle). CORRECTED AND EXTENDED 2026-08-07 at the Slice 5.3 review corrections (fixes 4/5).** **Correction (fix 4):** this row's own Retail-oracle citation originally grouped `WorldObject_Use.cs:50,57` under the SAME citation as `Vendor.CheckClose`/`GetCylinderDistance`, which read as if the `wo.UseRadius ?? 0.6f` fallback lived inside the close watcher. It does not: `WorldObject_Use.cs:50,57` is `WorldObject.IsWithinUseRadiusOf`, the APPROACH check ("how close you need to be to open the shop") — a wholly different method from `Vendor.CheckClose`, which reads `UseRadius` directly with no fallback of its own (`UseRadius` is `float?`; a nullable comparison against a null right operand is always `false`, so `CheckClose` never closes at all on an unauthored radius). `EnforceRange`'s own code comment carried the same mis-attribution and, worse, actually APPLIED that mis-borrowed 0.6f as its fallback; it now passes the raw authored `UseRadius` with no fallback of any kind (0 when absent/unauthored, matching retail's own memset-zero `PublicWeenieDesc::_useRadius` default — a plain `float` field, `acclient.h:37181`, no sentinel). Retail's own behavior for a radius-0 handler is exactly this: close on the very first nonzero-distance check. **Extension (fix 5):** the watcher reads the SERVER-ECHOED ACCEPTED position snapshot (`RuntimeEntityRecord.Snapshot.Position`), sampled once per advanced frame at the post-network-command-phase, not retail's continuous live-pose push (retail's own client simulates and renders every entity's pose every frame; `CPlayerSystem`'s range handler reads that live pose, never a periodically-echoed one). Between accepted-position updates the watcher's distance measurement is therefore up to one update-interval stale. The one BLIND WINDOW this staleness could open into a wrong in/out-of-range verdict — an in-session portal/teleport, where the player's and vendor's position snapshots can briefly sit in DIFFERENT landblock coordinate frames mid-transit — is closed unconditionally by this same review's fix 1b (`RuntimeWorldTransitState.HasPendingTeleportStart`/`IsTeleportActive` short-circuit the whole distance computation before it runs, closing the session instead of measuring across the transit), so the staleness itself never reaches that particular failure mode; it remains recorded here as a standing precision gap for the window fix 1b does NOT cover (ordinary out-of-transit movement between the same-generation position updates a slow network tick can leave briefly stale). **Original text:** The client-local vendor-panel distance watcher closes on PLAIN 3D center-to-center distance instead of retail/ACE's CYLINDER-GAP distance (both objects' own collision radius and height subtracted from the center distance before comparing to `UseRadius`). Retail: `gmVendorUI::OpenVendor` registers `CPlayerSystem::RegisterObjectRangeHandler` keyed to the vendor's own `PublicWeenieDesc._useRadius`; ACE's server-side belt-and-suspenders `Vendor.CheckClose` closes on `GetCylinderDistance(lastPlayer) > UseRadius`, i.e. `Position::cylinder_distance`/`Physics.Common.Position.CylinderDistance` with each side's real `GetRadius()`/`GetHeight()`. **NARROWED 2026-08-08 (vendor-verify gate): the watcher now measures retail's cylinder-gap via the ResolveObjectTableHost radii — the plain-center shortcut was self-closing sessions inside the walk-to-use acceptance band (opened at 4.29 m center vs authored radius 3, closed same frame). Residuals: heights pass 0, unresolvable hosts degrade to center distance (close-early only).** | `src/AcDream.Runtime/Gameplay/RuntimeVendorRangeQuery.cs` (`EnforceRange`) | `AcDream.Runtime` does not resolve a live per-entity collision radius/height for an arbitrary NPC outside the App-layer's Setup-cylinder resolver (`WorldSelectionQuery`'s `_setupCylinder`, App-only — out of Runtime's reach per the Core-structure rules, and `PhysicsBody`/`RuntimeEntityRecord` carry no radius/height field). Plain center distance is a well-defined, non-degenerate substitute (using `ObjectRangeMath.ObjectsInRange`'s existing `useRadii: false` branch rather than inventing a new metric) for a CLIENT-LOCAL UI convenience that never touches the wire or any authoritative state — closing the panel is not gated by, nor gates, anything server-visible. Reading the accepted-position snapshot rather than a continuously-integrated live pose is the same "Runtime has no live render-side pose, only the last accepted wire snapshot" constraint every other Runtime-side distance query in this codebase already accepts. | The panel can close up to (player radius + vendor radius) sooner than exact retail — typically well under a meter for a two-legged NPC — so a player standing exactly at the boundary of a large-radius vendor's `UseRadius` may see the panel close slightly earlier than retail would. No effect on any transaction, wire message, or authoritative state (Slice 6's buy/sell owns those). Retiring the cylinder-gap half requires a Runtime-owned per-entity collision radius/height source, which does not exist today; retiring the staleness half requires a continuously-updated live-pose source Runtime does not keep either. | `CPlayerSystem::RegisterObjectRangeHandler` pc:203677/0x004C4C34; `gmVendorUI::OnObjectRangeExit` pc:199486/0x004C02F0; ACE `Vendor.CheckClose`/`GetCylinderDistance` (`references/ACE/Source/ACE.Server/WorldObjects/Vendor.cs:322-367`) — a SEPARATE method, `WorldObject.IsWithinUseRadiusOf` (`WorldObject_Use.cs:44-52`), owns the unrelated `?? 0.6f` approach-check fallback; `acclient.h:37181` (`float _useRadius`, plain memset-zero field, no sentinel); `docs/research/2026-08-08-slice5-vendor-browse-research.md` §A.3/§B.1/§B.2 |
-| AP-141 | **Filed 2026-08-04, C4 route 5 (projectile authoritative placement); NARROWED 2026-08-04 at the round-2 delta review (B1/B2) — the far-branch clause was factually wrong for the adopted-body case and is corrected below.** Three related projectile-only shapes, all pinned by design (D-P4) rather than ported: (a) the near-`Interpolate` disposition is a NO-OP for a live missile, where retail would lazily build interpolation machinery (`InterpolateTo` @0x005163AF) for it; (b) the post-operation `ConstrainTo` @0x00454272 (`MakePositionManager` @0x00510523 then `PositionManager::ConstrainTo`) is never ARMED for a projectile — retail's single arming site has no kind test, so retail WOULD build a `PositionManager` on demand and arm a missile's leash on any nonzero `MoveOrTeleport` return; acdream never arms it on any disposition, including the adopted-body case (whose PRE-EXISTING leash the teleport/far branches now un-arm or clear queue state for, but never RE-anchor, per retail's post-operation `ConstrainTo`); (c) a null-classified or `Rejected*` accepted Position for a missile is swallowed (write nothing) rather than caught up through any remote-shaped policy. | `src/AcDream.Runtime/Session/RuntimeRemotePlacementDriveController.cs` (`ApplyAcceptedProjectilePosition`) | acdream deliberately does not construct an `EntityPhysicsHost`/`PositionManager`/`InterpolationManager` chain for a ballistic body — the route-5b split the C4 route 5 contract rejected. The context that makes this safe rather than merely convenient: ACE never sends `UpdatePosition` for a missile (`references/ACE/Source/ACE.Server/WorldObjects/WorldObject_Tick.cs:333-334`, `SendUpdatePosition()` commented out inside the `PhysicsState.Missile` branch at `:265`) — every half of this row is deterministic-test-gated only, never exercised against a real server. **The far branch's `StopInterpolating` skip is retail-faithful ONLY for a BARE missile** (no `RemoteMotion` — retail's own `position_manager != 0` guard @0x005163C9 skips it for a never-interpolated object, so acdream's skip is faithful by consequence there). For the ADOPTED-BODY case (`TryBind`'s shared-body branch: an ordinary remote whose Missile bit was set by a later State packet, still carrying its `RemoteMotion`), retail's guard IS satisfied and retail WOULD clear the queue — acdream now ports this (`route.StopInterpolating && record.RemoteMotion is RemoteMotion adopted → adopted.Interp.Clear()`), matching the teleport branch's equivalent `StopInterpolating` action inside `teleport_hook`. What remains divergent for the adopted case is the post-operation `ConstrainTo` re-anchor @0x00454272 — retail re-anchors an existing leash at the just-updated position on every nonzero return; acdream never arms/re-anchors it on any projectile disposition (clause (b)). | A future change that DOES give projectiles a `PositionManager` (or a headless/no-window remote-motion consumer that expects one) must re-decide this row rather than silently building the machinery ad hoc; until then, a live missile never shows an ARMED constraint leash and never catches up via the near/UnroutedCatchUp policy — both unreachable in play. An adopted-body missile's INHERITED leash (armed before it became a missile) is un-armed by the teleport hook, has its queue cleared by both teleport and far, but is never re-anchored at the new position by either — its brake accumulator (`ConstraintPosOffset`) is not reset to zero at each accepted Position the way retail's @0x00454272 re-anchor does. **Correction, round 3 (2026-08-04): the round-2 wording here — that a stale leash "would drag the body toward a stale anchor" — was wrong and is retracted.** `ConstraintManager.ConstraintPos` is write-only in both retail and the port (never read by `AdjustOffset`), and `ConstraintManager::adjust_offset` @0x00556180 only tapers or zeroes an already-composed per-tick offset while `InContact` — a leash brakes motion the interp/sticky chain already produced; it has no mechanism to move anything toward the anchor. The real residual is confined to one tick of un-reset brake accumulator, contact-gated, and it cannot move an airborne far-snapped missile at all (the clamp branch does not run while airborne). | `CPhysicsObj::MoveOrTeleport` 0x00516330 (`InterpolateTo` @0x005163AF, `IsMovingTo` @0x0050EB10 returning 0 without a `MovementManager`; far branch `StopInterpolating` @0x005163C9-@0x005163CB); `SmartBox::HandleReceivedPosition` 0x00453FD0 (`ConstrainTo` arming site @0x00454272); `CPhysicsObj::ConstrainTo` 0x00510520 (`MakePositionManager` @0x00510523); `ConstraintManager::adjust_offset` 0x00556180 (brake-only taper, write-only anchor); `WorldObject_Tick.cs:333-334`/`:265` (ACE never-sends evidence) |
-| AP-142 | **Filed 2026-08-04 (C4 route 7, pickup/parent/delete). AMENDED 2026-08-04 at the dual-Opus retail-conformance/architecture review round (R1/A8 MAJOR+LOW; R10 MINOR) — clause (d) added, clause (b) corrected. AMENDED AGAIN 2026-08-04 at the round-3 dual review (N1/N2/N4, B3) — clause (d)'s reasoning corrected and its risk-column scope widened; clause (e) RETIRED — the depth cap it described is deleted outright, replaced by an iterative worklist with no depth concept at all. AMENDED AGAIN 2026-08-05 at the #319 fix — clause (f) added. AMENDED AGAIN 2026-08-05 at the #319 dual-review round (retail PASS, architecture FAIL/6 MAJORs) — clause (f) rewritten: the tripwire moved above the canonical commit and no longer throws (A1), and the deferred late-bind queue A1's fix text originally described was deleted per A6 (both reviews proved it production-unreachable for both producers).** acdream collapses retail's `CPhysicsObj` pair — a `cell` pointer plus a separately-written `objcell_id` — into ONE canonical `RuntimeEntityRecord.FullCellId`, which is also the residency/liveness predicate acdream reads at 45+ sites. Four consequences, all intentional: (a) the removal path propagates ZERO to a subtree's children (withdrawal, delete, `EndGeneration`), where retail's `leave_cell` recursion nulls only each child's `cell` pointer and leaves a STALE non-zero `objcell_id` (`change_cell`'s removal tail @0x005133C1 never touches a child's id) — reproducing that stale-id residue would leave a child "resident" per every acdream predicate while retail's own gating field (`cell == nullptr`) says it is not; (b) retail's same-cell depth-1 per-tick `objcell_id` refresh (`SetPositionInternal` @0x0051539c-@0x005153d8, gated on the parent NOT crossing a cell) is subsumed by the value-idempotent propagation chokepoint (`RuntimeEntityDirectory.SetFullCell`'s "skip a child whose `FullCellId` already equals the target" guard) rather than ported as a separate tick loop — a same-value restamp is unobservable with one field playing both retail roles. **Correction (R10): this is a clean equivalence only on the REMOVAL side.** The skip ALSO prunes the child's whole subtree on a same-value WRITE, which retail's `enter_cell` does not do — it recurses over children unconditionally (@0x00510f03); only `leave_cell` prunes (@0x00510f5b, on `cell != 0`). Currently unreachable-by-construction (after D4 nothing writes a grandchild's cell independently of its own committed parent), but it is an asymmetry, not a proven equivalence; (c) the sustaining propagation itself: retail re-cells children when the parent crosses a cell, recursively, on EVERY `SetPositionInternal`/`change_cell` (@0x00515372/@0x00513390), not only at attach — acdream ports this as a single hook every canonical cell-write funnels through, so an attach-only write (the pre-existing shape) is deliberately NOT what shipped. **(d) retail's `enter_cell` gates its ENTIRE body — the write AND the recursion into children — on `this->part_array != 0` (@0x00510ed8); a child with a null part array receives nothing and its whole subtree is skipped. acdream's propagation has NO analogue and writes unconditionally. CORRECTED reasoning (round-3 review, N1/N2): the original draft of this clause argued acdream's `HasPartArray` means something semantically different from retail's `part_array` (a "renderer built a mesh" flag vs. "this CPhysicsObj has any part array"). That framing is WRONG — retail's `part_array` has exactly ONE assignment site, `CPhysicsObj::makeAnimObject` @0x0050e930 → `CPartArray::CreateSetup`, assigned @0x0050e94d, so retail's flag is ALSO a mesh-construction product; the two are near-synonyms, not different concepts. The REAL reason acdream cannot gate the canonical D1/D2 write on `HasPartArray` is LAYERING, not semantics: Slice J made the Runtime canonical layer presentation-independent by design (`docs/research/2026-07-25-slice-j1-runtime-contract-closeout.md` and the Slice J campaign generally), and `HasPartArray` is populated exclusively by App/graphical code (`EquippedChildRenderController.cs:609`, `DatLiveEntityProjectionMaterializer.cs:203`) — the canonical layer structurally cannot depend on a flag only the presentation layer ever writes, headless or not. CORRECTED scope (round-3 review): this is NOT headless-only. `PrepareAndTryRealize` calls `CommitAcceptedParentCellless` (hence D1's re-cell) BEFORE `TryRealize` sets `HasPartArray = true` at `:609` — so at the exact moment D1 runs, `child.HasPartArray` is FALSE in the GRAPHICAL host too, and gating on it would break attach there as well, not just headless. Retail has no equivalent window at all: `part_array` is assigned once at construction and `enter_cell`'s guard reads that same, already-settled field.** The guard is deliberately NOT reproduced at the canonical layer. **(e) RETIRED 2026-08-04 (round-3 review, N4/B3 — both reviews independently found the same defect).** Previously: recursion depth capped at 64 levels as hostile/buggy-server hardening. The cap's actual failure mode was worse than what it guarded against: a subtree beyond the cap was left at its PRIOR — on the withdraw path, STALE NONZERO — cell PERMANENTLY, logged only under a probe flag nobody runs by default. On the withdraw path that is the #184 shape verbatim: an entity every acdream residency predicate calls resident that retail (and clause (a) above) says is not. Shipping that inside the slice whose headline is fixing exactly this class was unacceptable. Retired by deleting the cap outright and replacing the recursion with an iterative worklist (`RuntimeEntityDirectory._propagationWorklist`), which has no stack-frame-bounded depth at all — the only limit is the number of committed relations actually in the system, matching retail's own genuinely unbounded recursion with no acdream-only cap and therefore no register row for one. **(f) Filed 2026-08-05 (#319 fix).** A CreateObject-carried parent relation (the raw spawn's `Physics.Parent` field, and the same-generation `CreateParentUpdate` envelope) names the parent's GUID and location only — neither wire shape carries a parent instance sequence, matching retail's own GUID-only attach (`PhysicsDesc::get_parent_id` @0x00558a18 → `CObjectMaint::GetObjectA` @0x00558a2d → `CPhysicsObj::set_parent` @0x00558a3e; the reverse `CObjectMaint::SetChildren` @0x00509370 hash-walks by guid with a `GetNullObject` placeholder @0x005093e6 — no instance-sequence field or comparison exists anywhere in either direction). acdream's committed-relation table is nonetheless keyed by (guid, incarnation) (clause (c)'s D1/D2 requirement), so a CreateObject-carried relation must adopt SOME incarnation to file under; it now LATE-BINDS to the parent's LIVE incarnation at accept time (`EquippedChildRenderController.AcceptLateBoundCreateObjectRelation`, both the raw-CreateObject and same-generation `CreateParentUpdate` producers) rather than the previously-hardcoded 0, which silently mis-keyed every player-parented CreateObject relation (a player's `ObjectInstance` is `Character.TotalLogins`, never 0) and defeated D1/D2 for the local player's own login equipment and every remote player's observed equipment (#319). A commit-time tripwire (`ParentAttachmentState.CanCommitIncarnation`, checked BEFORE either half of the commit mutates state — architecture review A1, 2026-08-05, moved it there after the original throw-after-canonical-commit shape was shown to tear the transaction it was built to protect) refuses (logs, returns false, never throws) rather than silently filing a relation under a mismatched incarnation whenever the parent is currently addressable. **A1 also settled A6's design question**: an initial revision queued a relation whose parent was not yet addressable through a deferred/late-bind retry mechanism; both reviews independently proved that queue was structurally unreachable in production for BOTH producers (`RuntimeEntityObjectLifetime.RegisterEntityCore`'s `EnqueueDeferredCreate` gate defers the ENTIRE CreateObject, for both wire shapes, before either producer ever runs) while carrying three latent defects of its own (a missing child POSITION_TS gate, a placeholder-incarnation collision with the generation filters, unbounded accumulation) — it was deleted rather than fixed in place; the unaddressable-parent case now logs and refuses outright, matching the invariant the layer above already enforces. | `src/AcDream.Runtime/Entities/RuntimeEntityDirectory.cs` (`SetFullCell`, `PropagateFullCellToChildren`, `RefreshSnapshot`); `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs` (`CommitAcceptedParentCellless`'s D1 half, `WithdrawCommittedChildrenToCellless`); `src/AcDream.Runtime/Entities/ParentAttachmentState.cs` (`TryGetCommittedParent`, `CanCommitIncarnation`, `CommitProjection`); `src/AcDream.Runtime/Entities/RuntimeEntityRecord.cs` (`HasPartArray`); `src/AcDream.App/Rendering/EquippedChildRenderController.cs` (`AcceptLateBoundCreateObjectRelation`, `OnSpawn`, `OnCreateParentAccepted`, `PrepareAndTryRealize`); `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs` (`ResolveAndCommitChildAttachment`) | Reproducing retail's pointer/id split would require a second field acdream's 45+ liveness call sites would then have to be individually audited for which half they mean — the single-field model is a stated, load-bearing simplification, not an oversight; see `docs/research/2026-08-04-retail-parent-cell-propagation.md` and `docs/research/2026-08-04-c4-route-7-contract.md` D2/D3/D9. Clause (f) is retail-faithful for the identical reason clauses (a)-(d) are: retail's attach has no incarnation gate on this path at all, so adopting the current holder of the guid IS the retail behavior, not an approximation of it. | A future consumer that expects retail's exact stale-`objcell_id`-under-a-null-`cell` shape (none identified) would see a fully cell-less child instead. (d)'s risk: acdream celling a child retail would leave nowhere — none identified in play against a well-behaved ACE, since a server-authored equip always names a real, DAT-resolvable Setup, and the graphical host's own brief pre-`TryRealize` window is bridged by D1 running inside the same synchronous transaction as the rest of the attach commit, not by `HasPartArray` being true. (f)'s risk: none identified against a well-behaved ACE — a CreateObject's parent guid always names the entity that currently holds it by construction. | `CPhysicsObj::change_cell` 0x00513390 (@0x005133C1 removal tail); `CPhysicsObj::enter_cell` 0x00510ed0 (@0x00510ed8 the `part_array` guard); `CPhysicsObj::leave_cell` 0x00510f50; `CPhysicsObj::SetPositionInternal` 0x00515330 (@0x0051536d branch, @0x0051539c-@0x005153d8 same-cell loop, @0x00515372 cell-change branch); `CPhysicsObj::makeAnimObject` 0x0050e930 (`CPartArray::CreateSetup` assignment @0x0050e94d); `PhysicsDesc::get_parent_id` 0x00558a18; `CObjectMaint::GetObjectA` 0x00558a2d; `CPhysicsObj::set_parent` 0x00558a3e; `CObjectMaint::SetChildren` 0x00509370 (`GetNullObject` placeholder @0x005093e6) |
-| AP-143 | **Filed 2026-08-04 (C4 route 7 D5, headless parent-realize drive). AMENDED 2026-08-04 at the retail-conformance review round (R7 MINOR) — this row originally described only ONE of the three checks the drive skips. Line citations corrected at the round-3 review (N3).** The graphical `EquippedChildRenderController.ValidateParentProjection` performs three retail-anchored checks before accepting a parent-attach request: (1) self-parenting rejection (`relation.ParentGuid == relation.ChildGuid`, `:915-916`); (2) the parent must have a constructed part array (`parent.HasPartArray`, `:920` — the closest acdream analogue to retail's `part_array != 0` guard, AP-142 clause d); (3) `Setup.HoldingLocations` validates the specific holding location (`CSetup::GetHoldingLocation` @0x0050F896, via `PartArray::add_child`). `AcDream.Headless`/`AcDream.Runtime`'s direct-host parent-realize drive (`RuntimeLiveEntitySessionController.ResolveAndCommitChildAttachment`) performs NONE of the three — it commits on the POSITION_TS gate acceptance and relation resolution alone. (1) is inert by construction: D1's re-cell gate reads `parent.FullCellId == 0` (the child was just zeroed by the cell-less edge before D1 runs), and D2's skip-on-equal terminates the resulting one-node cycle — a self-parent headless commits the relation but never observably re-cells through it. (2) has no headless analogue at all (see AP-142 clause d — `HasPartArray` is populated only by the graphical mesh pipeline, never headless, for ANY entity). (3) has no prepared-content surface (repo-wide grep confirms nothing under `src/AcDream.Content`/`AcDream.Bake` carries `Setup.HoldingLocations`). | `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs` (`ResolveAndCommitChildAttachment`) | Precedent: the content-less host already accepts reduced fidelity elsewhere (`RuntimeLiveEntitySessionController:108-117`'s documented content-less registration). A server-sent self-parent, part-array-less parent, or invalid holding location is unreachable against a well-behaved ACE (ACE only emits `ParentEvent` for a location its own `Player_Inventory`/wield validation already accepted), so this is a defense-in-depth gap, not a live-play one. | A malicious or buggy server could attach a child headless where retail and the graphical host would both reject it — inert against ACE today for all three. Retiring (3) means extending the prepared-content bake format with `Setup.HoldingLocations`, deliberately NOT done in this slice (route 7 contract §4 D5); (2) has no retiring action available until acdream's canonical layer gains its own construction-time part-array concept (a larger architectural question, out of scope here). | `PartArray::add_child` (`CSetup::GetHoldingLocation` 0x0050F896); `CPhysicsObj::enter_cell` 0x00510ed8 (the `part_array` guard); `EquippedChildRenderController.ValidateParentProjection` (graphical port, all three checks) |
-| AP-144 | **Filed 2026-08-05 (C4 route 3, round-3 review R7). Register discipline finding, not an implementer's disposition** — CLAUDE.md's register rule binds regardless of whether the gap has a live symptom yet. `RuntimeAcceptedPositionDriveController.ReconcileAndAcknowledgePortal`'s teleport-arrival movement-event send gates on `!RuntimeCharacterState.UsePositionFromServer` — retail's `CommandInterpreter::UsePositionFromServer` @0x006B3B40, which is `autonomy_level != 2`. But the retail function that ACTUALLY gates this send is a different one: `CommandInterpreter::SendMovementEvent` @0x006B4680 (the `PlayerTeleported` tail-jump), which gates on `autonomy_level != 0` — the LOOSER test, excluding only level 0, satisfied by BOTH level 1 and level 2. acdream's gate reuses the STRICTER `UsePositionFromServer` test (excluding two of the three levels, 0 AND 1), built from the wrong retail function, so it sends only at level 2 and wrongly suppresses at level 1. | `src/AcDream.Runtime/Session/RuntimeAcceptedPositionDriveController.cs` (`ReconcileAndAcknowledgePortal`, the `!_usePositionFromServer()` guard around `TrySendMovement`); `src/AcDream.Runtime/Gameplay/RuntimeCharacterState.cs` (`UsePositionFromServer`, `AutonomyLevel`) | The two gates agree at level 0 (both suppress) and level 2 (both send); they diverge only at level 1. `RuntimeCharacterState.TrySetAutonomyLevel` has zero production callers today, so no live code path can ever reach `AutonomyLevel == 1` — the divergence is filed for completeness, not because it is currently reachable. | The instant a future feature calls `TrySetAutonomyLevel(1)` (a partial-autonomy mode, if one is ever built), a portal-arrival movement-event ACE expects to receive at level 1 is silently dropped, until this row's fix threads the raw `AutonomyLevel` through the constructor (touching both host compositions) and gates on `!= 0` directly instead of reusing `UsePositionFromServer`. | `CommandInterpreter::UsePositionFromServer` @0x006B3B40 (`autonomy_level != 2`); `CommandInterpreter::SendMovementEvent` @0x006B4680 (`autonomy_level != 0`, the `PlayerTeleported` tail-jump call site) |
-| AP-146 | **Filed 2026-08-05 (#319 fix, the local player's canonical cell prerequisite; follow-up filed as issue #320).** Retail writes the local player's cell on EVERY physics tick (`CPhysicsObj::SetPositionInternal` @0x00515330, unconditional for any moving body including the player). acdream's canonical `FullCellId` for the LOCAL player is written only at three edges: login activation (`RuntimeSetPositionState.cs:2741-2745`), the `OnPosition` generic tail's prologue rebucket after an accepted inbound Position (`LiveEntityNetworkUpdateController` → `LiveEntityRuntime.RebucketLiveEntity` → `RuntimeEntityObjectLifetime.CommitRebucket`; **amended 2026-08-05 by C5b/#275** — this writer was `RuntimeEntityDirectory.RefreshSnapshot` → `RuntimeEntityRecord.cs:234`, i.e. the merge itself, until C5b made the merge withhold the wire cell per AD-60; a ForcePosition, which returns before this tail, is now placement-receipt-authoritative instead), and a teleport/portal placement commit (`RuntimeSetPositionState.cs:5001-5007`; `LocalPlayerTeleportController.cs:255`). Ordinary WASD movement passes a LANDBLOCK id, not an exact cell (`LocalPlayerProjectionController.Project`, low 16 bits forced to `0xFFFF` in both branches), and `LiveEntityRuntime.cs:935-938` explicitly PRESERVES the prior canonical cell for that shape rather than writing the coarser value — so the local player's canonical cell is coarse and mostly-frozen between teleports, never per-crossing-fresh. #319's fix makes a player-parented equipped child inherit exactly this same value (D1/D2 propagate the PARENT's canonical cell to the child verbatim) — the child is stale-but-EQUAL wherever the player's own record already is, not a new staleness class. **AMENDED 2026-08-05 at the C5b architecture review's D1 fix: this three-edge enumeration was written from the graphical host and silently assumed both hosts shared it.** They do not — the two run parallel, non-shared inbound routes — and the second edge (the `OnPosition` prologue rebucket) lived in `AcDream.App`, so the no-window host had only TWO of the three, the login activation and the teleport/portal commit. It now has all three: `RuntimeLiveEntitySessionController.TryCommitAcceptedWireCell` commits the same value through the same shared owner, `RuntimeEntityObjectLifetime.CommitWireCellRebucket`. The no-window host reaches that edge on the local ordinary (`Apply`) Position and on a `ForcePosition` the accepted-Position drive declined (`NotApplicable`), mirroring the graphical route exactly — a force the drive HANDLED stays placement-receipt-authoritative. This row's COARSENESS claim is unchanged and applies identically to both hosts: the preserve branch now lives in `CommitWireCellRebucket` rather than at `LiveEntityRuntime.cs:935-938`, and the no-window host does not even have the per-frame landblock-shaped caller that motivates it. | `src/AcDream.App/Input/LocalPlayerProjectionController.cs` (`Project`); `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs` (`CommitWireCellRebucket` — the landblock-preserve branch, moved here verbatim from `LiveEntityRuntime.cs:935-938` at the D1 fix so both hosts share one rule); `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs` (`TryCommitAcceptedWireCell` — the no-window host's inbound-Position edge); `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs` (activation `:2741-2745`, teleport commit `:5001-5007`) | Making the local player's canonical cell track ordinary movement exactly (an exact-cell rebucket rather than the landblock-only one) is a LARGER slice than #319's key fix alone — it touches the landblock-preserve contract, `Rebucketed` delta publication cadence (today the player never publishes one during WASD), the route-2/4b-3 `PreMergeCommittedCellId` classification inputs AP-136/AP-138 spent four review rounds pinning, and the portal-space frozen-source-cell race (`LocalPlayerProjectionController.Project:100-103`). Deliberately NOT bundled into #319; filed as its own follow-up, issue #320. | The player's own render/liveness/radar/picking paths already tolerate this staleness today (proven: the player renders correctly everywhere via `Source.ParentCellId`-driven visibility, not `FullCellId`) — verified safe for the EXISTING consumer set. UNRESOLVED (this row's own open item, carried into #320): whether `RuntimeSetPositionState.IsAffectedCollisionResident`'s `ParkCollisionResidents` sweep could retire a spatial-root local player on a stale cell after a long teleport-free WASD run beyond the streaming radius — not established either way; the connected routes exercised so far all teleport between stops, which refreshes the cell and may be masking it. If the player IS a spatial root and this is reachable, the same staleness this row accepts for render/child-inheritance would ALSO apply to collision retirement, which is a materially different risk class. **The D1 fix narrows that open item's URGENCY without answering it**: before the fix a no-window bot was strictly worse than the graphical client here, because it lacked the inbound-Position edge entirely — a bot running A→B without teleporting kept `FullCellId` at A for the whole session, so retiring A parked a body physically in B, and retiring B missed it. Both hosts now refresh on every accepted Position; what remains open is the same question this row always asked, at ACE's 5-10 Hz cadence rather than never. | `CPhysicsObj::SetPositionInternal` 0x00515330 (unconditional per-tick cell write) |
-| AP-147 | **Filed 2026-08-05 at the C5b architecture review (finding D3) — an unfiled delta-stream cardinality change C5b introduced, which its own conservation test could not see.** A cell-changing accepted steady-state Position now publishes **two** `RuntimeEntityDelta`s for the moved entity where it published one, and the intermediate one carries a torn cell/position pair. Pre-C5b the merge itself moved `FullCellId`, so it published `Rebucketed` and the `OnPosition` prologue rebucket's `CommitRebucket` then early-returned publish-less (`previous == fullCellId`) — stream `[Rebucketed]`. Post-C5b the merge moves nothing, so it publishes `Updated` and `CommitRebucket` publishes the `Rebucketed` — stream `[Updated, Rebucketed]`. The `Updated` element is assembled from the canonical record BETWEEN the two writes, so its `CellId` is the OLD (committed) cell while its `Position` is the NEW wire pose: a pair that did not previously exist on this stream, because pre-C5b both halves moved inside one publish. Total per packet is conserved in KIND and final VALUE — exactly one `Rebucketed`, at the same cell, from the same publisher — but not in COUNT, and not in intermediate consistency. **AMENDED 2026-08-05 at the C5b closeout (bookkeeping only — nothing in this row was false, it was un-updated).** This row was written from the graphical host at a moment when it was the only host producing the two-delta stream at all: pre-D1 the no-window host had no post-merge cell writer, so its accepted Position published `[Updated]` alone and simply LOST the `Rebucketed`. D1 gave that host its own `CommitWireCellRebucket` caller, so both hosts now produce `[Updated, Rebucketed]` with the same torn intermediate. The row's analysis, its "no production consumer identified today" verdict, and its retirement condition are unchanged; what changed is the population — a headless bot's event log is now a REAL instance of the "future consumer that SNAPSHOTS a delta" this row warns about, not a hypothetical one, because the no-window host is the one whose consumers are event streams by construction. | `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs` (`TryApplyPosition`'s terminal `AcknowledgeProjectionAndPublish`, and `CommitRebucket`); `src/AcDream.Runtime/Entities/RuntimeEntityObjectViews.cs` (`Snapshot` — the `record.FullCellId` / `record.Snapshot.Position` pairing that makes the intermediate torn) | Retail has no delta stream at all, so there is no retail shape to match — this is acdream's own observer contract. The alternative, suppressing the merge's `Updated` when a rebucket is about to follow, is not available at that layer: the merge cannot know whether its caller will reach W2 (the local force arm, the missile arm, and the `ChildUnparentDisposition` Superseded/Pending arm all return before it), so suppressing would silently drop the pose delta on exactly the packets where it is the only one. Collapsing the merge's ternary to a constant `Updated` is likewise wrong — the retained `Rebucketed` arm has a real producer, the cancelled-park rollback inside the merge. | Any consumer that treats one accepted Position as one entity delta now sees two, and any consumer that reads `CellId` and `Position` from the SAME delta and assumes they agree can transiently pair a new position with the old cell. No production consumer identified today: `LiveEntityRuntime` and the plugin/world-event surfaces re-read canonical state rather than trusting a delta's paired fields, and the pair reconverges inside the same `OnPosition` call. A future consumer that SNAPSHOTS a delta — a recorder, a plugin, a headless bot event log — would capture the torn intermediate. Retire together with W2, if the local player's canonical cell ever becomes per-crossing-fresh (AP-146/#320) and the merge and the rebucket can be one write again. | No retail anchor — acdream-only observer contract. Evidence: `RuntimeSteadyStatePositionMergeTests.CellChangingAcceptedPosition_ConservesOneRebucketAndOneChildPropagation` asserts the complete ordered stream `[Updated, Rebucketed]` plus both elements' `CellId`/`Position.ObjCellId`, and `RuntimeSetPositionStateTests.AcceptedPositionCancellingWakeableParkPublishesRebucketedThroughTheMerge` pins the retained arm; both sabotage-verified in both directions at the C5b review. |
-| AP-148 | **Filed 2026-08-05 at the C5b closeout, from disassembly of the PDB-paired binary — NOT from the pseudo-C, which cannot show it.** acdream's local-player Gate A (the FORCE_POSITION self-echo shortcut) requires the wire TELEPORT_TS to be EXACTLY EQUAL to the stored one; retail requires only that it not be OLDER, so equal AND newer both take the shortcut. `SmartBox::HandleReceivedPosition` @0x0045402B-54 loads `player->update_times[4]` (TELEPORT_TS; base 0x164, 2 bytes/entry, confirmed by the POSITION_TS store `mov word [edx+0x164], ax` @0x00454084 and `acclient.h:6090`), takes `abs(stored - wire)`, picks a wrapped or unwrapped 16-bit compare on `> 0x7fff`, materialises the carry with `sbb eax,eax / neg eax`, and SKIPS Gate A on CF — where CF means the wire stamp is strictly older. It is `CPhysicsObj::newer_event` @0x00451B10's identical idiom with the compare operands swapped. **Binary Ninja drops the flag test and renders the whole sequence as `if (-((eax_7 - eax_7)) == 0)`, vacuously true**, which is why two C5b review rounds read this function carefully and both recorded the term backwards (`docs/research/2026-08-05-c5b-contract.md` §1 said first "teleport must NOT be newer", then "TELEPORT_TS equal"; both corrected at §15). **Consequence:** acdream's `ForcePosition` disposition is a strict SUBSET of retail's Gate A set. A local ForcePosition carrying a NEWER teleport stamp is misrouted into a full `Apply`, which is four separate behaviour changes at once — it takes the WIRE heading instead of preserving the body's (`InboundPhysicsStateController.ApplyAcceptedPosition:846-856`, force-gated), it UNPARENTS and may install a placement frame (`clearParent: !force`, `installPlacementFrame: !force && !hasAnimations` — C5b's own truth table), it sets `TeleportAdvanced` and therefore ZEROES local velocity (`:882-885`), and it advances TELEPORT_TS and calls `OfferTeleportDestination`, starting teleport/portal presentation for a packet retail never starts it for. Retail's Gate A deliberately lets a force ride PAST a pending teleport advance without consuming it (it returns @0x0045409D before `newer_event(arg2, TELEPORT_TS, arg8)` @0x00454158); the ordinary Position channel is what processes that teleport. **Not fixed in the filing commit**, deliberately: see issue #325 for why it is not a one-line comparison swap. **C5b made this marginally BETTER, not worse** — `clearParent` was unconditionally `true` pre-C5b and is unchanged for the misrouted packet, and `installPlacementFrame` went unconditional-`true` to `!force && !hasAnimations`, i.e. toward retail's "Gate A never reaches `SetPlacementFrame`". | `src/AcDream.Core/Physics/PhysicsTimestampGate.cs` (`TryAcceptPositionEvent:199`, the `teleport == _timestamps[Teleport]` term); `src/AcDream.Runtime/Physics/RuntimeAuthoritativePositionRouteClassifier.cs` (`ValidAcceptedAuthority`, the `PreviousTeleportSequence == AcceptedTeleportSequence` term — the SAME predicate encoded a second time, and the reason the fix is not one line) | None argued — this is an unintended narrowing found at a closeout, not a chosen approximation. It is filed as an approximation rather than a defect only because the resulting behaviour is a strictly SMALLER shortcut set, i.e. more packets take the fully-processed path rather than fewer, which fails safe for pose correctness even where it is wrong about heading, parent, velocity, and presentation. The exact retail predicate already exists verbatim in the same file — `IsFreshTeleportStart:163` is `!IsNewer(teleport, _timestamps[Teleport])` — so the correction itself is trivial; the consumers are not. | A server correction that arrives while the client's TELEPORT_TS is behind ACE's (a teleport whose Position packet was lost, or arrived after the force) is promoted from "blip me in place" to a full teleporting apply: the player's facing snaps to the wire heading instead of staying where the mouse left it, local velocity is zeroed mid-stride, an equipped child is unparented, and the portal/transit presentation owner is offered a destination for a packet that is not a teleport. Reachability against ACE is UNMEASURED — ACE's two `ObjectForcePosition` bumps (`Player.cs:1148` PKLite re-placement, `Player_Tick.cs:488` z-hack correction) do not themselves bump the teleport sequence, but `PositionPack` serialises the CURRENT teleport sequence, so any client whose TELEPORT_TS lags ACE's is in the divergent window on its next force. | `SmartBox::HandleReceivedPosition` 0x00453FD0 (Gate A's teleport test @0x0045402B-0x00454054; the return @0x0045409D; the TELEPORT_TS advance it skips @0x00454158); `CPhysicsObj::newer_event` 0x00451B10 (the same idiom, operands unswapped); `acclient.h:6090` (`update_times[4] == TELEPORT_TS`) |
-| AP-149 | **Filed 2026-08-05 at the #280 fix (portal destination prefetch).** The reveal gate's OUTER ring accepts terrain-only publication where retail requires the landblock's full static-DAT closure. Retail's `LScape::PreFetchCells` @0x00505660 walks the whole `mid_radius` square and, for EVERY in-bounds landblock, requires (1) its terrain record resident, (2) its `LandBlockInfo` type-2 record resident, and (3) via `CLandBlock::PreFetchCells` @0x00530240 -> `CLandBlockInfo::PreFetchCells` @0x0052E7C0 -> `CBldPortal::PreFetchCells` @0x0053BD00, every EnvCell of every building it contains. acdream's outer ring is Far-tier: heightmap + terrain render mesh + terrain collision, with NO LandBlockInfo, no buildings, no building EnvCells and no procedural scenery, because the Far tier does not load them at all. The gate therefore converges on a strictly weaker condition than retail's out beyond `NearRadius`. **#280 closed the 11.4:1 reveal-window/visible-window ratio; it did NOT close this. Do not let a later closeout claim parity.** | `src/AcDream.App/Streaming/StreamingController.cs` (`IsRenderNeighborhoodResident`, the far arm); `src/AcDream.App/Streaming/LandblockBuildFactory.cs` (the Far build's contents); `src/AcDream.App/Streaming/WorldRevealReadinessBarrier.cs` | Closing it would mean promoting the entire Far window to Near, i.e. deleting the two-tier streaming design that exists precisely because full hydration of a 25x25 window is unaffordable. Retail affords it because retail's ONE square is 17x17 at its default draw distance and it blocks the whole simulation while loading it (`CellManager::blocking_for_cells`), which acdream deliberately does not do (see AD-2). The residual is bounded to content that is only ever seen at Far distances. | A distant BUILDING, its interior EnvCell shells, or distant procedural scenery can still appear after the viewport opens, at Far-ring distances (beyond ~768 m at the shipped High preset), where retail would have kept blocking. Distant TERRAIN — the reported #280 symptom — no longer can. | `LScape::PreFetchCells` 0x00505660; `CLandBlock::PreFetchCells` 0x00530240; `CLandBlockInfo::PreFetchCells` 0x0052E7C0; `CBldPortal::PreFetchCells` 0x0053BD00 |
-| AP-151 | **Filed 2026-08-06 at the #280 retail-conformance review (finding F3).** The reveal gate is materially STRICTER than retail's prefetch predicate on the mesh-build/GPU-upload axis, over an equally large square. Retail's `LScape::PreFetchCells` @0x00505660 requires, per member, only that the DAT records be resident in memory (`DBObj::PreFetch` -> `IN_MEMORY` or `IN_FILE` -> `DBObj::Get` non-null); no geometry construction, no vertex arrays and no GPU upload are part of the blocking predicate — that work happens lazily at draw. acdream's gate requires, for every member of the derived window (25x25 at the shipped High preset): a worker-thread DAT read, a terrain mesh build, a render-thread `TerrainModernRenderer.AddLandblock` upload, a spatial commit, a physics collision-generation admission, and a spawn-adapter activation, all metered at `MaxCompletionsPerFrame`. The hold is therefore systematically longer than retail's for identical content, and nothing currently bounds it. Note this is the OPPOSITE asymmetry from AP-149, which records where the outer ring is WEAKER than retail; both are live simultaneously, on different axes. | `src/AcDream.App/Streaming/StreamingController.cs` (`IsRenderNeighborhoodResident`); `src/AcDream.App/Streaming/GpuWorldState.cs` (`IsRenderReady`); `src/AcDream.App/Rendering/TerrainModernRenderer.cs`; `src/AcDream.App/Streaming/StreamingWorkBudget.cs` | It is what makes "no visible assembly after reveal" true at all: acdream draws through a bindless/MDI pipeline whose landblock slots must exist before the viewport opens, where retail can begin drawing a landblock the frame its DAT record lands. Weakening the predicate to DAT residency would restore retail's hold duration and reintroduce the visible-assembly artifact #280 exists to remove. AD-2's blanket "async readiness gates replace retail's synchronous destination cell load" pre-dates the window being 625 members wide and does not name this axis. | Portal/recall holds of several seconds where retail (warm cache) is near-instant, on EVERY transit rather than only on cold DAT. No upper bound is enforced and no progress readout is shown (#327). A slow disk or a saturated upload budget lengthens the hold without limit. | `LScape::PreFetchCells` 0x00505660; `DBObj::PreFetch`/`DBObj::Get` call sites @0x0050575C, @0x0050579C; `CellManager::PreFetchCells` 0x00455820 |
-| AP-153 | **Filed 2026-08-06 at the AP-152 retirement — a modelling difference the fix itself introduces.** Retail's shape-dispatch flag is CACHED ONCE. `CPartArray::CacheHasPhysicsBSP` @0x00518110 walks the part array, ORs 0x10000 into `CPartArray::pa_state` on the first part whose `gfxobj->physics_bsp` is non-null, and `CPhysicsObj::CacheHasPhysicsBSP` @0x0050f570 mirrors it onto `CPhysicsObj::state+0xa8`. A full `.text` scan for direct call/jmp to 0x0050f570 finds EXACTLY ONE caller, `CPhysicsObj::InitPartArrayObject+0x7e` @0x0051272e — so after an `AnimPartChanged` part swap retail's DISPATCH flag is stale while its per-part test (`CPhysicsPart::find_obj_collisions` @0x0050d8d0) stays live. acdream's step-0 gate is LIVE in both: it re-derives from the effective part identities on every `FromSetup` call. | `src/AcDream.Core/Physics/ShadowShapeBuilder.cs` (`FromSetup` step 0); `src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs` (`ReconcileAppearance`) | The two disagree only when a swap adds or removes the LAST physics-BSP part. Humanoid part swaps (clothing / armour) involve no physics-BSP GfxObj on either side, so this is unreachable against ACE today. Deliberately NOT modelled with cached state — that would be inventing staleness to reproduce a retail bug. | If a server ever swapped a prop's part array across the physics-BSP boundary, acdream would switch its collision geometry on the swap where retail would keep dispatching on the construction-time flag: a prop that gained a BSP part would lose its primitive immediately in acdream and only on re-init in retail. | `CPartArray::CacheHasPhysicsBSP` 0x00518110; `CPhysicsObj::CacheHasPhysicsBSP` 0x0050f570; sole caller `CPhysicsObj::InitPartArrayObject+0x7e` 0x0051272e |
-| AP-154 | **Filed 2026-08-06 at the AP-152 retirement (contract §11.6) — an undeclared dependency on a specific server implementation.** Retail COMPUTES `HAS_PHYSICS_BSP_PS` itself from its own part array (AP-153's anchors). acdream's query-time guard `Transition.BspOnlyDispatch` reads it out of the SERVER's wire `PhysicsState`: `LiveEntityCollisionBuilder.cs:161` copies `exactRecord.FinalPhysicsState` into `ShadowEntry.State`, and a repo-wide grep for `PhysicsStateFlags.HasPhysicsBsp` in `src/` returns only that predicate and one unrelated mover-state read. acdream never ORs the bit in client-side. It happens to be correct because ACE derives the same DAT bit (`WorldObject_Networking.cs:665-668` from `SetupFlags.HasPhysicsBSP`), overriding the weenie's authored value — which is why a 2018 weenie dump showing `PhysicsState = 0x8` for the cottage door does not contradict our own live capture of `0x10008`. | `src/AcDream.Core/Physics/TransitionTypes.cs:1348` (`BspOnlyDispatch`), call sites `:3911` / `:3954`; `src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs:161` | Narrowed, not closed, by the AP-152 fix: the shape list no longer contains a primitive for a BSP-bearing object, so the guard has nothing left to skip and the OUTCOME is now independent of the wire. The guard itself still keys on the wire. Not bundled — changing `registration.State` touches every consumer of `FinalPhysicsState` (Hidden, Missile, ethereal layer 2, the `[setstate]` log) and needs its own gate. | Against a server that does not derive the bit from the DAT, a BSP-bearing object built by a producer other than `FromSetup` would have its primitive tested where retail tests only the BSP. | `CPartArray::CacheHasPhysicsBSP` 0x00518110 (derives) vs `LiveEntityCollisionBuilder.cs:161` (copies); `HAS_PHYSICS_BSP_PS` acclient.h:2833 |
-| AP-155 | **NARROWED AGAIN 2026-08-07 (Campaign S S2) — the Sphere-as-Cylinder emission half is FIXED; what survives is ONLY the has-BSP source split.** Both static publication sites now emit an authored Setup Sphere as `ShadowShape.Sphere`, mirroring the live path's emission exactly (route-independence asserted shape-for-shape incl. CylHeight; dispatch discriminated by a graze/through pair whose cylinder counterfactual verdicts differ numerically; both sites sabotage-reddened independently; population 3,506 of 5,935 installed Setups, structurally equal to AP-157's third-branch count). The flood centre rises by exactly r for this population — outdoor membership unaffected (XY rectangle), indoor EnvCell membership covered by the Session-B dungeon gate. **What remains:** the static paths derive has-BSP from `entity.MeshRefs` where the live path derives it from `setup.Parts` plus post-AnimPartChanged identities; the two sources can disagree, and that half keeps this row ACTIVE. A shared primitive-emitter refactor (compile-time route independence instead of empirical parity tests) is the filed follow-up. Original text: **Filed 2026-08-06 at the AP-152 retirement; NARROWED 2026-08-06 to its static-publication half alone.** Its flood half was bundled here with a different code path, a different population and a different gate — the exact fault the C4 handoff warns about — and its direction was recorded BACKWARDS; both are now split out as AP-156. **Static paths emit a Setup Sphere as a height-capped CYLINDER.** `LandblockPhysicsPublisher.cs:1030-1037` and `LandblockPhysicsContentBuilder.cs:683-690` both convert a Setup Sphere to `ShadowCollisionType.Cylinder` with `CylHeight = radius * 2f` and the origin shifted down by one radius; the live path emits a true `ShadowCollisionType.Sphere`, produced at exactly ONE site in `src/` (`ShadowShapeBuilder.cs`). Retail tests a Setup Sphere with `CSphere::intersects_sphere` @0x00537a80 / @0x00537fd0 (two overloads) in both cases — 3-D distance, no height clamp. The static paths also derive "has BSP" from `entity.MeshRefs` (the render mesh list) where the live path derives it from `setup.Parts` plus the effective post-`AnimPartChanged` identities; the two sources can disagree. | `src/AcDream.App/Streaming/LandblockPhysicsPublisher.cs:1030-1037`; `src/AcDream.Content/LandblockPhysicsContentBuilder.cs:683-690` | Affects static props only and changes their collision geometry over a much larger population than AP-152's 172, so it needs its own count and its own gate. Deliberately not folded into the AP-152 or AP-156 commits. | A static prop whose Setup carries a Sphere blocks over a height-clamped cylinder instead of a true sphere, and rests one radius lower than the authored origin. | `CSphere::intersects_sphere` 0x00537a80 / 0x00537fd0 |
-| AP-156 | **SCALE RESIDUAL DECIDED 2026-08-08 by the user: KEEP OURS — permanent, deliberate divergence in the SAFE direction.** acdream sizes the flood bubble to the object's actual placed scale; retail ignores the resize and floods at authored size, which under-registers ENLARGED objects (their real geometry pokes into neighbouring cells retail never lists them in — a walk-through edge case at cell boundaries). Copying retail would import that bug for byte-fidelity; the user chose not to. This row's scale question is CLOSED and must not be re-opened as a faithfulness cleanup. **Filed 2026-08-06, split out of AP-155(b) at the AP-152 retail-conformance review, WITH ITS DIRECTION CORRECTED — and its worst half FIXED in the same commit.** **CORRECTION.** AP-155(b) recorded the flood approximation as *over*-inclusive ("a sphere contains the box's inscribed extent but is larger in the diagonal"), and that recorded direction was the stated reason the residual was safe to defer. It was empirically inverted. `BuildFloodSpheres` took each physics-BSP part's ROOT BOUNDING SPHERE RADIUS (`FlatCollisionAssetBuilder.cs:393` -> `LiveEntityCollisionBuilder.cs:137`) and centred it on the PART ORIGIN (`ShadowShapeBuilder.cs:194`), discarding the root sphere's own `Origin`. Measured over the installed `client_portal.dat`, independently twice: 376 of 973 physics-BSP parts have `|origin| > radius/2`, worst 20.762 m on a 27.708 m sphere (gfx 0x010036DD, Setup 0x0200129A); **POPULATION CORRECTED 2026-08-06 at the fix review (finding R2).** The row as filed said the flood failed to contain the object's own BSP sphere for '170 of the 172 AP-152 Setups'. That understates it: 172 is AP-152's DISPATCH population (Setups carrying BOTH a primitive and a physics-BSP part). After AP-152 EVERY BSP-bearing Setup floods from its BSP shapes alone, so the discarded origin mis-placed the flood across all 530 of them. Re-measured against PHYSICS-POLYGON VERTICES — a different DAT field from the sphere, so the measurement is not circular — by an independent scratch program outside the repo: **525 of the 530** BSP-bearing Setups have at least one flood sphere move; **428** fail vertex-level containment at a 1 mm tolerance (412 at 1 cm, the figure the fix review quotes); **0** fail after the fix, at any tolerance down to zero. Worst shortfall 35.869 m at entity scale 1.75 on Setup 0x0200129A. The old figures — 170 of 172, worst 9.911 m on 0x02000255 — remain correct for what they measured (root-sphere containment over the 172), and 43 of them had a post-AP-152 flood strictly SMALLER than the pre-AP-152 one. Indoor floods are 3-D (`CellTransit.cs:601` routes every `id & 0xFFFF >= 0x0100` candidate through `FindTransitCellsSphere`), so a tall prop or door slab was simply absent from EnvCells it occupies and never a broadphase candidate there — UNDER-inclusive membership, the #98 / #168 class. **FIXED HERE.** `ShadowShape.BoundsCenter` carries the root sphere's own centre in the shape's local frame; `FromSetup` and `FromLandblockBspParts` fill it from the SAME resolver that supplies the radius, and `BuildFloodSpheres` places the sphere at `partWorldPos + rotate(BoundsCenter, partWorldRot)`. Retail does exactly this: `CGfxObj::physics_sphere` (`[gfxobj+0x74]`) is assigned `BSPTREE::GetSphere(physics_bsp)` @0x005397e0 (`mov eax,[ecx]; add eax,4` — the root `BSPNODE`'s `CSphere`, past its 4-byte vftable), and `CEnvCell::find_transit_cells` @0x0052cae0 — the part-array overload reached from `CPhysicsObj::find_bbox_cell_list` @0x00510fc0 through `CPartArray::calc_cross_cells_static` @0x00518160's `[vtbl+0x7c]` dispatch — loads it at `0x0052cb36 mov esi,[ecx+0x74]`, transforms its CENTRE through the part's own `Position` at `[part+0x30]` (`0x0052cb4c add eax,0x30` / `0x0052cb5a call Position::localtolocal`), and only then reads the radius at `0x0052cb65 fadd [esi+0xc]`. The same commit also retired the 10-sphere clamp on this branch: retail's clamp lives inside the CYLSPHERE overload alone (`CObjCell::find_cell_list` @0x0052b9f0, `0x0052ba21 cmp eax,0xa` / `0x0052ba28 mov ebp,0xa`) while the BSP walk has none — 7 installed Setups carry more than 10 physics-BSP parts (max 49, Setup 0x02001A91) and their tail parts were dropped from the flood entirely. **WHAT REMAINS OPEN.** acdream floods from the per-part spheres through its own sphere-vs-portal walk (`CellTransit.FindTransitCellsSphere`), where retail hands the part array to each cell's own `find_transit_cells` and tests every part's sphere against that cell's portal planes in cell-local space. The sphere SET is now exact; the TRAVERSAL is still acdream's. `find_bbox_cell_list`'s name notwithstanding, retail never forms a bounding box — AP-155(b)'s "acdream approximates retail's bounding BOX" was wrong as well. **SECOND RESIDUAL, added 2026-08-06 at the fix review (finding R4): acdream SCALES the flood sphere; retail does not.** `ShadowShapeBuilder` multiplies both the radius and (new in this commit) the centre by the entity/part scale. Retail's `CEnvCell::find_transit_cells` @0x0052cae0 reads only `CPhysicsPart::pos` (`[part+0x30]`) and never `CPhysicsPart::gfxobj_scale` (`[part+0x24]`), while `CPhysicsPart::find_obj_collisions` @0x0050d8d0 DOES thread `gfxobj_scale.z` into `SPHEREPATH::cache_localspace_sphere` — so retail's cross-cell walk is itself under-inclusive for scaled parts and acdream's is not. Over-inclusive for scale > 1 (safe), under-inclusive for scale < 1 (the #98/#168 direction). **ENFORCEMENT, added 2026-08-06 at the fix review (finding A1).** The invariant now lives at the TYPE, not only at the producer seam: `ShadowShape`'s constructor is private and BSP shapes are built only through `ShadowShape.Bsp(..., FlatCollisionSphere localBounds)`, which takes radius and centre as ONE value and scales them together. The former public 7-argument constructor with `BoundsCenter = default` let a future BSP producer reintroduce this exact bug silently and green. **CONNECTED-GATE NOTE (finding A2). A null result on tall props is EXPECTED until AP-158 / #333 lands, and is not evidence against this fix.** The geometry now lands in the right cell and is then discarded one layer down by acdream's own `maxReach` broadphase filter, which measures from the same part origin: 118 of the 477 unique installed physics-BSP GfxObjs have a root-sphere offset above that filter's roughly 2.5 m walking budget, and 46 above 5 m. | `src/AcDream.Core/Physics/ShadowShape.cs` (`BoundsCenter`); `src/AcDream.Core/Physics/ShadowShapeBuilder.cs` (`FromSetup` step 3, `FromLandblockBspParts`); `src/AcDream.Core/Physics/ShadowObjectRegistry.cs` (`BuildFloodSpheres`); `src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs` (single bounds resolver); tests `ShadowObjectRegistryMultiPartTests.BuildFloodSpheres_BspShape_CentresOnTheBoundsCentreNotThePartOrigin` / `_RotatesTheBoundsCentreByThePartRotation` / `_CapsCylSpheresAtTenButNeverTheBspParts`, `ShadowRegistrationOverflowTests.FromLandblockBspParts_CarriesTheScaledRootSphereCentre`, `InstalledSetupBspPrimitiveDispatchTests.InstalledSetups_BspFloodSpheres_ContainTheirOwnPhysicsPolygons` (oracle swapped to physics-polygon vertices at the fix review, finding R1: the shipped assertion compared two hand-copies of the same expression and was algebraically identically zero for any DAT input) | The traversal residual is a genuine approximation with its own gate, not a deferral of this fix. Closing it means porting the per-cell `find_transit_cells` part-array overload, which is different work from getting the sphere set right. **OUTDOOR HALF CLOSED 2026-08-06 by #334 (see AP-159 for what remains).** | **RISK COLUMN CORRECTED 2026-08-06 at the #334 fix — as written below it was FALSE, and its falsity is what let #334 sit unnoticed inside this row.** It generalised the INDOOR direction (sphere-vs-portal-plane, over-inclusive) to the whole residual. The OUTDOOR direction was the opposite and strictly worse: acdream routed BSP-bearing objects through `CObjCell::find_cell_list`, whose outdoor expansion is a hard-capped ±1-cell 3×3 for ANY radius, so every formation wider than one 24 m land cell was MISSED in its outer cells — a user-observed loss of collision, not extra candidates. Original text, retained for the record: *"A cell whose portal geometry a part's sphere overlaps in the sphere-vs-plane sense, but which the part's actual polygons do not reach, joins the object's shadow set: extra broadphase candidates, never a missed one. The under-inclusive direction is what the fix above removed."* That statement now holds only for the indoor half, which is AP-159. | `BSPTREE::GetSphere` 0x005397e0; `CGfxObj::physics_sphere` `[gfxobj+0x74]`; `CEnvCell::find_transit_cells` 0x0052cae0 (0x0052cb36 / 0x0052cb4c / 0x0052cb65); `CPhysicsObj::find_bbox_cell_list` 0x00510fc0; `CPartArray::calc_cross_cells_static` 0x00518160; `CObjCell::find_cell_list` 0x0052b9f0 (0x0052ba21) |
-| AP-157 | **MEASURED AND RE-SCOPED 2026-08-07 (Campaign S S1A) — one half RETIRED as a non-divergence, the other half CONFIRMED against retail's registration set but PROVEN collision-unreachable; fix deferred.** **CylHeight half: RETIRED.** `CObjCell::find_cell_list`'s cylsphere overload @0x0052b9f0 (pseudo-C 309107) copies `Position::localtoglobal(low_pt)` + `radius` per cylsphere, capped at 10, and NEVER reads height — retail itself collapses a cylsphere to a base-point sphere of the cylinder radius. acdream's cylinder flood is exactly retail's behaviour; the row's implication that height matters was wrong. **Sorting-sphere half: measured over the installed DAT** (`SortingSphereFloodMeasurementTests`): third-branch population 3,506 of 5,935 Setups (cross-checked: 3,605 sphere-only-no-cylinder minus 99 BSP-dispatched, matching the independently-committed dispatch-test constants); 163 with a zero authored SortingSphere; of the 3,343 evaluated, **1,812 (54%) fail containment at 1 mm** (1,722 at 1 cm), worst shortfall 18.135 m (Setups 0x02000D7D / 0x020015B3), while max overshoot is only 1.900 m — overwhelmingly the under-inclusive direction relative to RETAIL'S REGISTRATION SET. **BUT: no collision outcome can differ.** For this branch the flood spheres and the collision-test geometry are the SAME per-part Sphere list, so every cell acdream omits is a cell the entity's test geometry cannot reach; retail's sorting-sphere flood is wider than ITS OWN per-sphere tests too, so its extra registrations are narrow-phase rejects. The divergence is a registration-set fidelity gap with a perf sign in acdream's favour, not a walk-through. **Fix deferred deliberately:** flooding from the authored sorting sphere needs `SortingSphere` plumbed through `FlatSetupCollision` and the bake schema (Slice I3 version protocol) — real risk for zero behavioural delta. Take it opportunistically at the next bake-schema revision. Original text: **Filed 2026-08-06 at the AP-152 retail-conformance review (finding F4) — an unregistered substitution that predates AP-152 and was stepped over when its neighbours were filed.** `CPhysicsObj::calc_cross_cells`' THIRD branch (`0x005152dc` -> `CPartArray::GetSortingSphere` @0x00518b00 -> `CObjCell::find_cell_list` @0x0052b990) floods from ONE authored whole-object sphere: `GetSortingSphere` returns `[partArray+0x54] + 0x70`, i.e. `CSetup::sorting_sphere` (acclient.h: `CSetup` carries `CSphere sorting_sphere` immediately after `step_up_height`), and that overload takes a single sphere with no cap. acdream's `only == null` branch floods from EVERY non-BSP, non-Cylinder shape instead — the Setup's per-part `Spheres` array. Different DAT field, different cardinality, different extent. 4,154 of 5,935 installed Setups carry a non-zero `SortingSphere` and `DatReaderWriter.Setup` already exposes it, so this is available rather than blocked. Same site, second item: `BuildFloodSpheres` collapses a Cylinder to one sphere at its BASE point with the cylinder radius and IGNORES `CylHeight` entirely, where retail's `CObjCell::find_cell_list` @0x0052b9f0 is handed the `CCylSphere` array as `(low_pt, radius, height)`. | `src/AcDream.Core/Physics/ShadowObjectRegistry.cs` (`BuildFloodSpheres`, the `anyCyl` and `only == null` branches) | Deliberately NOT folded into the AP-156 fix. It is a different branch of `calc_cross_cells`, reached only by objects with neither a physics BSP nor a CylSphere, so its population is disjoint from the 172 AP-152 Setups and its live gate is a different set of objects. Bundling it would make the AP-156 connected gate un-attributable — which is exactly how AP-155 came to carry two lifecycles under one id. | Sorting-sphere half: an object with several authored Spheres floods from all of them rather than from the one authored whole-object sphere — usually wider (max 5 Spheres on any installed Setup, so retail's 10-cap is never the difference), but a `sorting_sphere` LARGER than every per-part Sphere would make acdream under-inclusive, the #98 / #168 direction. CylHeight half: a tall thin cylinder floods a sphere of its radius at its base and can miss the cells its upper half occupies. | `CPhysicsObj::calc_cross_cells` 0x00515230 (0x005152dc / 0x005152e3 / 0x005152fb); `CPartArray::GetSortingSphere` 0x00518b00 (`[+0x54]+0x70`); `CObjCell::find_cell_list` 0x0052b990 (sorting sphere) / 0x0052b9f0 (cylsphere, `(low_pt, radius, height)`) |
-| ~~AP-158~~ | **RETIRED 2026-08-06 — the filter is DELETED, not re-centred, and this row's own disassembly is why.** The minimal fix this row proposed (carry `BoundsCenter` on `ShadowEntry` and measure from the true centre) was deliberately NOT taken: it would have preserved an invention retail does not have, kept a `+ 2f` slack and a `movement.Length()` term with no retail counterpart, and left a second reach budget to be tuned forever. `Transition.FindObjCollisionsInCell` now walks the cell's shadow list with no distance pre-check at all, as `CObjCell::find_obj_collisions` @0x0052b750 does. Cell membership is retail's broad phase, and the BSP walk's own root-node bounding-sphere test — centred correctly, which is precisely what this filter was not — is the early-out that made a second one unnecessary. **This retirement closes #333 and #337** (the Neftet plateau: wedged at the top, jumps sinking into the mesh, corpses falling through), whose mechanism it was. **The row's predicted symptom was observed live before it was fixed**, which is the strongest confirmation a register row gets: it predicted a tall prop AP-156 had just placed correctly would still not block, and the user reported exactly that at Neftet. **PERF, MEASURED rather than assumed** (Release, synthetic all-BSP cell, per `ResolveWithTransition`): at 38 candidates — the live maximum — 10.61 µs → 16.68 µs (+6.07, 1.57×); at a deliberately unreachable 200, 17.34 µs → 39.48 µs (2.28×); ≈ 0.16 µs per additional candidate tested. Over 19,701 live `[reach-q]` samples the in-cell candidate count is p50 = 9, p99 = 32, max 38, so the first row is the bound that matters. **Original text, retained for the record:** **Filed 2026-08-06 at the AP-156 fix review (finding A2) — an UNREGISTERED INVENTION, not a port, that predates AP-156 and is issue #333.** The shadow broadphase discards a candidate outright when `distToCurr > sphereRadius + obj.Radius + movement.Length() + 2f`. **Retail has no distance pre-filter at all.** `CObjCell::find_obj_collisions` @0x0052b750, disassembled from the PDB-paired binary for this row rather than inherited: it early-returns `OK_TS` only when `sphere_path.insert_type == INITIAL_PLACEMENT_INSERT` (`0x0052b759 cmp dword [ebx+0x174],2` / `0x0052b765 je 0x52b7a0`), then walks `shadow_object_list` (`[cell+0xc8]`, count `[cell+0xc4]`) and calls `CPhysicsObj::FindObjCollisions` (`0x0052b78b call 0x50f050`) on every entry whose `physobj` is unparented (`[physobj+0x40] == 0`) and is not the mover itself — UNCONDITIONALLY. There is no distance test in the function. Neither the `+ 2f` slack nor the `movement.Length()` term has a retail counterpart; retail's own cross-cell slack constant is `F_EPSILON` = 1.9999999e-4 m (`0x0052cb5f fld dword [0x7c8c70]`), 0.0002 m and not 2 m. **Second half of the defect:** the filter measures `currPos - obj.Position`, i.e. from the PART ORIGIN, while `obj.Radius` is the BSP root bounding-sphere radius measured about a centre that AP-156 established is frequently metres away — `ShadowEntry` does not carry the `BoundsCenter` that `ShadowShape` now does. A mover touching the geometry is up to `d + R + r` from the part origin and is admitted only when `d <= movement + 2`, roughly 2.5 m for a walking player. | `src/AcDream.Core/Physics/TransitionTypes.cs:3757-3765`; `ShadowEntry` (`src/AcDream.Core/Physics/ShadowObjectRegistry.cs:2735`) carries no `BoundsCenter`; **RETIRED:** the pre-check is gone from `FindObjCollisionsInCell` and `ShadowEntry` needs no `BoundsCenter`. Tests `Issue333BroadphaseReachFilterTests.OffCentreBspFloorStopsAFallingMover` (production path end-to-end, DAT-free, sabotage-verified against its `CentredBspFloorStopsAFallingMover` control — restore the pre-check and the mover falls straight through to the unobstructed 37.800 while the control still blocks) and `Issue337NeftetRockGeometryInspectionTests.TheOldBroadphaseMeasuredToTheOriginAndSoRejectedGeometryItStoodOn` (installed-DAT evidence, both halves of the diagnosis) | Deliberately NOT folded into the AP-156 commit: different code path (collision query, not cell membership) and it needed its own retail question answered, which this row answers. The minimal fix is mechanical — carry `BoundsCenter` on `ShadowEntry` and measure from `obj.Position + rotate(obj.BoundsCenter, obj.Rotation)`; only whether to keep the `+ 2f` slack at all is genuinely open. | **RETIRED — no residual.** The `rejectedReach` column of the `ACDREAM_PROBE_REACH` family is kept and is now structurally 0, precisely so a post-fix capture is directly comparable with the pre-fix one that recorded 7,225 rejections on a single owner, every one with `wouldAcceptAtCenter=True`. Original risk text, retained for the record: **This is the gate immediately downstream of AP-156, and it can mask AP-156's entire visible benefit.** 118 of the 477 unique installed physics-BSP GfxObjs have a root-sphere offset above the ~2.5 m budget and 46 above 5 m; at a test scale of 1.75 those become 4.4 m and 8.75 m against an unchanged budget. Worked case: Setup 0x02000255, one part, root sphere origin (0.000, -0.007, 9.911), radius 10.522 — a player against its upper half is ~20.4 m from the part origin while `maxReach` is ~13.5 m. Discarded before `BSPQuery` ever runs. A tall prop that still does not block after AP-156 is THIS row, not a failure of AP-156. | `CObjCell::find_obj_collisions` 0x0052b750 (0x0052b759 / 0x0052b765 / 0x0052b788 / 0x0052b78b), pseudo-C 308916-308940; `CEnvCell::find_transit_cells` 0x0052cae0 (`F_EPSILON` at 0x0052cb5f -> 0x7c8c70); issue #333 |
-| AP-159 | **NARROWED 2026-08-07 (Campaign S S1B) — the INDOOR part-array arm is PORTED; what remains is the BUILDING BRIDGE plus a one-ULP boundary tie.** `CellTransit.FindTransitCellsBox` now runs retail's per-portal x per-part walk (`CEnvCell::find_transit_cells` @0x0052cae0): sphere cheap-reject at F_EPSILON+radius, BOX admit via the 8-corner classification, leads-outside after the admit, destination `box_intersects_cell` gate through the flat-authoritative dispatcher with a graph referee (20,000 installed comparisons pinned by assertion, zero mismatch). Dual-review PASS; sabotage discriminating; installed direction sweep: rigged population shrinks 978 cells/0 added across 1,520 placements; production-ratio population (box >= sphere, the real relationship — the box is the whole-vertex AABB while the sphere bounds only physics polygons) measured 1 ADD through the loaded-neighbour gate in 950 placements, which is RETAIL-CORRECT direction, so the old 'over-inclusive only, never a missed one' severity line is retired with the port. **REMAINDER 1 — the building bridge:** `CheckBuildingTransit` still admits on the sphere test; its retail counterpart is the part-array `check_building_transit` @0x0052c680 (NOT @0x0052c5d0 — D0 disentangled the function boundaries), whose portal_side convention is INVERTED relative to find_transit_cells (byte table in the retail review §6) and whose admit accepts `eax == 3 || eax == side`; the in-plane early exit of `Plane::intersect_box` is byte-confirmed to return CROSSING(3) (jp @0x005aa1bc -> mov eax,3 @0x005aa2e2), so that porter inherits both traps settled. **REMAINDER 2 — one-ULP tie:** our `WhichSide` returns Positive at exactly dist==eps where retail's strict `>` says IN_PLANE (byte-decoded @0x00444720); measure-zero, float-exact-equality only. Original text: **Filed 2026-08-06 at the #334 fix - the INDOOR half of AP-156's traversal residual, now the whole of it.** #334 ported retail's `CPhysicsObj::find_bbox_cell_list` @0x00510fc0 path so a physics-BSP object's OUTDOOR membership is the filled land-cell rectangle its authored `CGfxObj::gfx_bound_box` spans (`CLandCell::add_all_outside_cells` @0x00533360 -> `add_cell_block` @0x005331d0). The INDOOR arm of that same walk is NOT ported: retail's part-array `CEnvCell::find_transit_cells` @0x0052cae0 admits a neighbour cell on a BOX test - `CPhysicsPart::GetBoundingBox` @0x0050d600 -> `BBox::LocalToLocal` @0x005b1e60 (`0x0052cbf9`) -> `Plane::intersect_box` @0x005aa170 (`0x0052cc05`), then `BBox::LocalToLocal` into the destination and `CCellStruct::box_intersects_cell` @0x00533910 -> `BSPTREE` @0x0053c880 - where acdream keeps `CellTransit.FindTransitCellsSphere`'s sphere-vs-portal-plane test, fed from the SAME per-part `CGfxObj::physics_sphere` values retail uses for its cheap `eps = F_EPSILON + radius` pre-reject at `0x0052cb65`. The outdoor building bridge (`CEnvCell::check_building_transit` @0x0052c5d0) is on the same sphere input for the same reason. Deferred deliberately: closing it needs a new BOX traversal of the containment BSP in BOTH the graph (`BSPQuery`) and the production flat (`FlatBspQuery`) representations plus their exact referee, which is a separately gateable change with no bearing on #334's outdoor defect. Filed as issue #335. | `src/AcDream.Core/Physics/CellTransit.cs` (`BuildShadowCellSetFromParts`, indoor arm); `src/AcDream.Core/Physics/ShadowObjectRegistry.cs` (`BuildBspPartSpheres`) | The sphere set is exact (AP-156) and the sphere is a strictly LOOSER admitter than the box for a convex part, so the indoor set is a superset of retail's. Retail is itself conservative here in four compounding ways (render-mesh AABB over physics hull, axis-aligned re-fit after rotation, filled rectangle over per-cell test, one rectangle unioned across parts), so an over-inclusive indoor set is the same direction retail errs in. | A cell whose portal plane a part's sphere straddles but whose box does not joins the object's shadow set: extra broadphase candidates, never a missed one. This is AP-156's original risk statement, which is true of the indoor half and was false of the outdoor half. | `CEnvCell::find_transit_cells` 0x0052cae0 (0x0052cbdd / 0x0052cbf9 / 0x0052cc05 / 0x0052cc5a); `Plane::intersect_box` 0x005aa170; `CCellStruct::box_intersects_cell` 0x00533910; `CEnvCell::check_building_transit` 0x0052c5d0 |
-| ~~AP-152~~ | **RETIRED 2026-08-06 (the commit that filed it is one day old; this retirement corrects four statements in it).** `ShadowShapeBuilder.FromSetup` now DISPATCHES instead of unioning: a step-0 gate derived from the parts suppresses steps 1 and 2 whenever any part's EFFECTIVE GfxObj carries a physics BSP. Retail's priority, re-disassembled from the PDB-paired binary for this commit rather than inherited: `CPhysicsObj::FindObjCollisions` @0x0050f050 tests `HAS_PHYSICS_BSP_PS` FIRST (`0x0050f165 test dword [esi+0xa8],0x10000` / `0x0050f16f je 0x50f1a2`) and leaves the BSP branch through the UNCONDITIONAL `0x0050f19d jmp 0x50f2b0`, which is past the CylSphere loop at 0x50f1a2 AND the Sphere loop at 0x50f21d; a CylSphere-bearing object that survives its loop RETURNS (`0x0050f1d6 jae 0x50f317`); a Setup with zero spheres returns the seeded OK_TS (`0x0050f22f je 0x50f31b`). **BSP wins.** **CORRECTION 1 — the row's risk statement was FALSE as written.** It predicted "catching or stopping on a doorway sill". acdream did not test the extra primitive either: `Transition.BspOnlyDispatch` (`TransitionTypes.cs:1348`, landed 2026-05-25 as A6.P7) already skipped BOTH primitive branches (`:3911`, `:3954`) whenever the target's wire `PhysicsState` carries 0x10000, and ACE sets that bit from `CSetup.HasPhysicsBSP` (`WorldObject_Networking.cs:665-668`). The row's own anchor column cites the flag it failed to notice acdream was already keying on. So this retirement is NOT a collision-response change; the live half was CELL MEMBERSHIP, which had no such guard (see AP-155). **CORRECTION 2 — "the affected primitives are small and centred at the part origin" was FALSE in both halves.** The largest is `0x02001741`'s CylSphere at **r = 6.714 m**; `0x0200086E`'s Sphere is r = 5.842 m with origin (0.759, 0.165, 5.842), nowhere near the part origin. **CORRECTION 3 — the cottage door's "~14 cm base Sphere" was the wrong field.** `0x020019FF`'s Sphere radius is **0.100 m** at origin (0, 0, 0.018); `0.141` is `Setup.Radius`, which AP-22 had just finished proving is never collision geometry. **CORRECTION 4 — the row named ONE pinning test where TWO existed.** `FromSetup_DoorSetup_SphereAtExpectedLocalOffset` also failed under the exclusive rule; both are corrected, neither deleted. Population re-measured independently at 172 of 5,935 (73 CylSphere+BSP, 99 Sphere+BSP; 530 carry a physics-BSP part), agreeing exactly with the filing commit's separate sweep, and now pinned by an installed-DAT test with external bucket controls. | RETIRED — `src/AcDream.Core/Physics/ShadowShapeBuilder.cs` (`FromSetup` step 0 gate + `EffectivePartGfxObjId`, shared with step 3 so the two can never read different identities); `tests/AcDream.Core.Tests/Physics/ShadowShapeBuilderTests.cs` (`FromSetup_DoorSetup_EmitsBspPartsOnly`, `FromSetup_DoorSetup_SphereAtExpectedLocalOffset` re-hosted on `_ => false`, `FromSetup_DispatchGateReadsTheEffectivePartIdentities`); `tests/AcDream.App.Tests/Physics/LiveEntityCollisionBuilderTests.cs` (`CylSphereAndPhysicsBspPart_EmitsOnlyTheScaledBspShape` — no App fixture combined a primitive with a BSP part before); `tests/AcDream.Content.Tests/InstalledSetupBspPrimitiveDispatchTests.cs` (population). `Transition.BspOnlyDispatch` is deliberately KEPT: retail genuinely dispatches at the query site too, and it guards against a future additive producer. | — | — | `CPhysicsObj::FindObjCollisions` 0x0050f050 (0x0050f165 / 0x0050f16f / 0x0050f19d / 0x0050f1d6 / 0x0050f22f); `CPhysicsObj::calc_cross_cells` 0x00515230 (0x00515285 / 0x0051528f) -> `CPhysicsObj::find_bbox_cell_list` 0x00510fc0; `CPhysicsPart::find_obj_collisions` 0x0050d8d0; `CPartArray::CacheHasPhysicsBSP` 0x00518110; evidence `docs/research/2026-08-06-ap152-contract.md` |
-| ~~AP-145~~ | **RETIRED 2026-08-05 (C5a commit 1, closing #318; corrected at the architecture-review re-pass, A1/A2).** `RuntimePlacementPresentationSink.TryPublishPlace` now publishes the local player's Place through `LocalPlayerShadowSynchronizer.SyncPose(entity, entity.Position, entity.Rotation, record.FullCellId, force: true)` — the SAME publisher ordinary per-tick movement uses — instead of writing `LocalPlayerShadowState.Set` directly. `SyncPose` calls `ShadowPositionSynchronizer.Sync` → `ShadowObjectRegistry.UpdatePosition` (the real `PhysicsEngine.ShadowObjects` publish) BEFORE it records the dedup cache as its own last step, so the cache can no longer be pre-seeded ahead of the real publish. `force: true` because this is the authoritative placement commit, not an ordinary refresh — it must never be skipped by `SyncPose`'s own dedup check. **`TryPublishWithdrawal` carried the exact mirror asymmetry** (a bare `_localPlayerShadow.Clear()` with no `ShadowObjects.Suspend`, leaving a live phantom row at the park's source cell for the whole park window — the #184 shape) and is fixed in the SAME commit, same one-call shape: `_localPlayerShadowSync.Suspend(entity)`. The sink no longer holds a direct `LocalPlayerShadowState` reference at all — both halves route exclusively through the one synchronizer, which owns the cache internally. One synchronizer instance is constructed in `LivePresentationComposition.cs` (before the sink) and threaded through `LivePresentationResult` to `SessionPlayerComposition.cs`, which no longer builds its own. `#318`'s composition test (`RuntimePlacementShadowCompositionTests.cs`, 4 facts) proves: the real `ShadowObjects` registry holds a row at the destination cell (not just the cache) after a bare `Place` with no subsequent tick; the SOURCE cell's row is gone, not duplicated; a subsequent ordinary per-tick `Sync` call is a correct no-op; a `Withdraw` suspends the real registry row (not just the cache) — the source cell carries zero rows and the retained (suspendable) registration survives for a later restore; and a Place for a **registered** non-local-player entity leaves its row at the source cell and does not pollute the player's cache (route 7 P4 — the fix lives entirely inside the pre-existing player-only gate; the first version of this fact registered nothing for the child and was vacuous under the gate's own removal, corrected at the review). Sabotage-verified all four facts, both directions: reverted, each fails at its own discriminating assertion; applied, all green. | `src/AcDream.App/World/RuntimePlacementPresentationSink.cs` (`TryPublishPlace`, `TryPublishWithdrawal`); `src/AcDream.App/Composition/LivePresentationComposition.cs` (`LocalPlayerShadowSynchronizer` construction + `LivePresentationResult` field); `src/AcDream.App/Composition/SessionPlayerComposition.cs` (consumes the shared instance); `tests/AcDream.App.Tests/World/RuntimePlacementShadowCompositionTests.cs` | — | — | No retail analogue — retail has no separate shadow-cache/publish split; this was an acdream-only two-object seam (`LocalPlayerShadowState` cache + `LocalPlayerShadowSynchronizer` publisher) that a direct `.Set()`/`.Clear()` call could desynchronize from |
-| ~~AP-1~~ | **RETIRED 2026-08-05 (C5a deletion sweep).** "Production zero-delta routes deliberately remain on the legacy resolver until 4B2" is false at HEAD: the exhaustive receiver census over `src/` shows zero `PhysicsEngine.Resolve`/`.ResolvePlacement` call sites, and every production placement writer reaches canonical `PhysicsEngine.SetPosition` only through `RuntimeSetPositionState` (three call sites total). C5a deleted `Resolve`, `ResolvePlacement`, and their `HasCellSurface` helper outright — the resolver-shaped entry points this row described no longer exist, so the condition is retired structurally, not just narrowed. The narrower survivors (#276 settle-cell discard, AD-61 force-seed, AD-62 non-commit outcomes) are separately filed rows and are unaffected. | `src/AcDream.Core/Physics/PhysicsSetPosition.cs`; `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs`; `src/AcDream.Runtime/Physics/RuntimeCollisionReportingState.cs`; `src/AcDream.Runtime/Physics/RuntimePlacementProjectionChannel.cs`; `src/AcDream.Core/Physics/PhysicsEngine.cs` (deletion); `docs/research/2026-08-05-c5a-contract.md` | — | — | `CPhysicsObj::SetPosition` 0x005160C0; `SetPositionInternal` 0x00515BD0; `CPhysicsObj::handle_all_collisions` 0x00514780; `track_object_collision` 0x00513F10; `report_collision_end` 0x00514620; `AdjustPosition` 0x00511D80; `CheckPositionInternal` 0x00511E90; `CTransition::find_valid_position` 0x0050C310; `find_placement_position` 0x0050C170; `validate_placement_transition` 0x0050ADC0; `validate_placement` 0x0050B210 |
+| AP-1 | Snap-path Z settle: validated claims ground on their own walkable polys, but floor-less claims (thresholds, stair lips) fall through to a legacy nearest-in-Z scan over every CellSurface in the landblock; retail settles via `CheckPositionInternal` → `find_valid_position` | `src/AcDream.Core/Physics/PhysicsEngine.cs:614` | `find_valid_position` unported; the **#111** fix narrowed the legacy pick's blast radius (validated claims bypass it) rather than replacing it | A threshold/stair-lip snap can still pick a neighbouring cell's same-height floor by iteration order — wrong cell or Z at login/teleport arrival (the #111 clobber class) | `SetPositionInternal` :283426 → find_valid_position |
-| ~~AP-3~~ | **RETIRED 2026-07-31 (Campaign P Slice 1B).** `TransitionalInsert` now returns `OK_TS` immediately for every valid contact plane. Its ordinary StepDown tail is reachable only from invalid contact and retains the retail Contact / `!sphere_path.step_down` / check-cell / ObjectInfo.StepDown gates plus the exact one-versus-two-sphere probe split. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`TransitionalInsert`, `GetStepDownProbePlan`); `tests/AcDream.Core.Tests/Physics/RetailEdgeResponseOrderingTests.cs` | — | — | `CTransition::transitional_insert` 0x0050B6F0, named-retail pseudo-C pc:273191–273307 |
-| ~~AP-4~~ | **RETIRED 2026-07-31 (Campaign P Slice 1B).** `EdgeSlideAfterStepDownFailed` now evaluates retail Branch 1 (`!OnWalkable || !EdgeSlide` → restore + `OK_TS`) before the steep-contact `CliffSlide` branch. The former compensation is removed. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`EdgeSlideAfterStepDownFailed`); `tests/AcDream.Core.Tests/Physics/RetailEdgeResponseOrderingTests.cs` | — | — | `CTransition::edge_slide` 0x0050B3D0, named-retail pseudo-C pc:273001–273090 |
-| ~~AP-5~~ | **RETIRED 2026-07-31 (Campaign P Slice 2A).** `DoStepDown` no longer accepts a caller-controlled `runPlacement` bypass. It resets `walk_interp` once at entry; after the transitional support probe and retail `check_walkables` gate succeed, ordinary contact maintenance, edge-slide back-probes, and StepUp all switch to `PLACEMENT_INSERT` with the exact carried interpolation value, run the final insertion, restore the prior insert type, and accept only `OK_TS`. Nested `DoCheckWalkable` uses local current-position saves and preserves the outer `SPHEREPATH` backup pair needed by edge-slide. The former wall-slide justification is addressed at the actual placement dispatcher boundary: its retail epsilon-shaved overlap test permits exact wall tangency but rejects real penetration; no StepDown path skips validation. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`DoStepDown`, `DoCheckWalkable`); `src/AcDream.Core/Physics/BSPQuery.cs` / `FlatBspQuery.cs` (Placement dispatcher); `tests/AcDream.Core.Tests/Physics/RetailStepDownPlacementTests.cs`; `tests/AcDream.Core.Tests/Physics/RetailEdgeResponseOrderingTests.cs` | — | — | `CTransition::check_walkable` 0x0050AFF0 pc:272811–272856; `CTransition::step_down` 0x0050B2A0 pc:272946–272998; `BSPTREE::find_collisions` Placement branch 0x0053A440 pc:323742; `CSphere::intersects_sphere` 0x00537A80; `CCylSphere::intersects_sphere` 0x0053B440 |
-| ~~AP-7~~ | **RETIRED 2026-07-30 (Campaign P Slice P2) — the "state gate" was a BN decompiler artifact, not a locomotion exemption.** `calc_friction` now ports retail's confirmed 0.25f threshold (`if (angle >= 0.25f) return;`) unconditionally, no special-cased gate. The "state check at pc:276702" the old row cited is `PhysicsState.Sledding` (confirmed via ACE's `PhysicsObj.calc_friction`, references/ACE/Source/ACE.Server/Physics/PhysicsObj.cs:2120-2141, and `SLEDDING_PS=0x800000` in acclient.h:2838) — it gates the 1.5625/6.25/near-flat friction-value OVERRIDE, not the threshold return itself; acdream had no live Sledding setter then or now (see #166 research, docs/research/2026-07-30-response-layer-edge-family-pseudocode.md §3), so the branch was simply unreachable dead code, not an exemption for ordinary walking. The reverted 2026-04-30 L.3c attempt (naive 0.0→0.25 bump, forward locomotion 3→0.16 m/s in `PlayerMovementControllerTests`) does not reproduce on the production graphical local-player path post-R6: `PlayerMovementController` zeroes `Velocity.X/Y` to exactly zero every tick before `calc_friction` runs whenever animation root motion drives the walk, so friction has no horizontal velocity left to hammer (pinned at the PhysicsBody level by `GroundedRootMotion_FrictionThreshold_DoesNotHammerLocomotionTests`). The headless/`get_state_velocity` movement-controller path and remote/NPC movers still feed real velocity into this function and remain the ones to watch if a similar regression resurfaces there. **CORRECTION (2026-07-30, same day, #265/#166 capture bisect):** the sentence above undersold the gap — `calc_friction` wasn't merely "no horizontal velocity to hammer," it was structurally UNREACHABLE with meaningful data on ANY grounded path: (a) the animation-root-motion path zeroed `Velocity.X/Y` outright every tick (the actual #265/#166 root cause, ten days pre-existing, not a Campaign-P regression), and (b) `PhysicsBody.GroundNormal` — the vector `calc_friction` dots velocity against — had ZERO production writers anywhere and silently defaulted to `Vector3.UnitZ` forever, so even surviving velocity would have been tested against a fake flat-ground normal on any real slope. Both gaps are now closed: `PlayerMovementController.cs`'s grounded block no longer reconstructs `Velocity` for the animation-root-motion case, and `PhysicsEngine.cs` syncs `body.GroundNormal` from the committed `ContactPlane.Normal` at the same commit point that already publishes `ContactPlane`. The 0.25f threshold port itself (this row's original subject) was always correct — it just had nothing real to operate on until this fix. See `docs/research/2026-07-30-265-capture-bisect.md`'s as-fixed addendum. | `src/AcDream.Core/Physics/PhysicsBody.cs` (`calc_friction`); `src/AcDream.Core/Physics/PhysicsEngine.cs` (`GroundNormal` wiring); `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs` (grounded-velocity fix); `tests/AcDream.Core.Tests/Physics/PhysicsBodyTests.cs` (AP-7 test block); `tests/AcDream.Core.Tests/Physics/Issue265SteepSlopeCaptureBisectTests.cs`; `tests/AcDream.Runtime.Tests/Gameplay/PlayerMovementControllerTests.cs` | — | — | `CPhysicsObj::calc_friction` pc:276694-276822 (0050ee70); ACE `PhysicsObj.calc_friction` PhysicsObj.cs:2120-2141; `docs/research/2026-07-30-response-layer-edge-family-pseudocode.md` §1; `docs/research/2026-07-30-265-capture-bisect.md` |
-| ~~AP-10~~ | **RETIRED 2026-07-30 (Campaign P Slice P4) — the retail 0.1 m dry-corner water sink-in is restored.** `TerrainSurface.SampleWaterDepth` (`src/AcDream.Core/Physics/TerrainSurface.cs`) now returns 0.1 for a partially-water cell's dry corner instead of the collapsed 0. The row's own "destabilizes the touch check" justification turned out to be structurally true of retail too (a skipped `SetContactPlane` reassertion is not a fall in ANY of retail/ACE/acdream, because `Contact`/`OnWalkable` are STICKY — `PhysicsEngine.ResolveWithTransition`'s `onGround` computation ORs the fresh per-call `ContactPlaneValid` with the seeded, persistent `PhysicsBody.TransientState.OnWalkable` bit) — traced and confirmed in this slice; see `docs/research/2026-07-29-remote-and-world-specials-pseudocode.md` §5.2. `PhysicsEngine.SampleTerrainWalkable`'s `isWater = waterDepth >= 0.45f` threshold means the restore does not flip the dry corner's water classification (0.1 still < 0.45) — only the sink-in depth changes. Full Release suite green (no regression) proves the sticky-bit argument held in practice, not just in theory. | `src/AcDream.Core/Physics/TerrainSurface.cs` (`SampleWaterDepth`) | — | — | `ObjCell.get_water_depth` / `calc_water_depth` (via ACE port); `docs/research/2026-07-29-remote-and-world-specials-pseudocode.md` §5.1-5.2 |
+| AP-3 | Step-down chain triggered only when contact is invalid OR steeper than walkable; retail's `transitional_insert` OK-path ALWAYS runs it | `src/AcDream.Core/Physics/TransitionTypes.cs:1197` | Conditional preserves the observed-to-matter cases (edge departure, steep cliff-slide) without running the chain every step (per pc:273191 agent reports) | Steps where retail runs step-down despite a valid walkable contact (bump maintenance, edge-slide arming) are skipped — float-off or missed edge slides in untested geometry | `transitional_insert` OK-path pc:273191 |
+| AP-4 | CliffSlide check moved BEFORE retail's Branch-1 (`!OnWalkable` → restore+OK) gate, compensating our L.2.3i FloorZ OnWalkable bookkeeping | `src/AcDream.Core/Physics/TransitionTypes.cs:1316` | Retail's order with our incomplete OnWalkable stops the player dead every frame on steep slopes ("stay on the roof"); reorder restores downhill drift | CliffSlide fires in states where retail's Branch 1 would restore-and-OK — body slides where retail holds, e.g. contact-plane-bearing steep geometry near edges | retail EdgeSlide dispatch order (transitional_insert step-down failure) |
+| AP-5 | Step-down skips Placement validation for the contact-maintenance call (`runPlacement=false`); ACE/retail run it unconditionally (kept for DoStepUp) | `src/AcDream.Core/Physics/TransitionTypes.cs:3393` | Residual wall-slide artifacts made Placement misfire, leaving players stuck near walls; the skip was the targeted L.2.3h fix | Step-down can settle into positions Placement would reject — slight wall embedding, or accepting a step-down through overlap geometry retail catches | `CTransition::step_down` pc:272952; ACE Transition.cs:731-741 |
+| AP-7 | `calc_friction` threshold 0.0 with retail's state gate missing; retail uses 0.25 gated by an undecoded state check | `src/AcDream.Core/Physics/PhysicsBody.cs:307` | Bumping the threshold without the gate hammered normal walking (3 → 0.16 m/s); as-read 0.0 kept; locomotion probably state-exempted in retail. Filed L.3c-followup | Friction engages under different conditions — post-landing slides, knockback decay, sledding speeds mismatch retail's deceleration | pc:276702-276705 (state gate + 0.25) |
+| AP-10 | Dry-corner water depth: retail's 0.1 m allowed sink-in collapsed to 0 | `src/AcDream.Core/Physics/TerrainSurface.cs:481` | The 0.1 offset destabilizes the feet-exactly-on-plane contact-touch check (dist > EPSILON → SetContactPlane never fires → float/fall); retail's ~10 cm sink-in is visually indistinguishable | Masks a contact-touch epsilon fragility — other water-depth values exercising the same instability could oscillate shoreline walkable validation; retail's wet/dry corner sink-in visual absent | `ObjCell.get_water_depth` / `calc_water_depth` (via ACE port) |
| AP-11 | Hand-authored 4-keyframe fallback sky set (sunrise/noon/sunset, fog ~80–350 m) when the Region dat isn't loaded yet | `src/AcDream.Core/World/SkyState.cs:167` | A renderable sky is needed during boot before the Region dat parses; safety net on region-load failure | Any window where the fallback is active shows sky/fog lighting only roughly resembling retail's dat-driven values | SkyTimeOfDay keyframes, Region dat 0x13000000 |
| AP-12 | Enchantment family-stacking tiebreak by largest SpellId; retail picks highest Generation, tie-broken by latest cast | `src/AcDream.Core/Spells/EnchantmentMath.cs:89` | `ActiveEnchantmentRecord` doesn't carry Generation; SpellId correlates with generation level in practice | Where spell ids don't track power within a family (or same-generation re-cast), the wrong buff wins — vital-max / stat values diverge from retail | `CEnchantmentRegistry::EnchantAttribute` 0x00594570 (pc:416110) |
| AP-13 | `ComputeDamage` is a simplified retail damage formula (no augmentations/ratings) — verified DEAD CODE as of 2026-06-04, M2 scaffolding | `src/AcDream.Core/Combat/CombatModel.cs:184` | Not on the critical path; stubbed from r02 §5 + ACE CombatManager for the future M2 predictive display | If wired into the M2 attack-bar estimate as-is, predicted numbers diverge whenever augs/ratings apply | r02 §5; ACE CombatManager |
@@ -274,12 +139,14 @@ AP-94..AP-112 for the confirmed retail-UI completion gaps.
| AP-19 | `PortalSideEpsilon` 0.01 (≈1 cm) instead of retail F_EPSILON ≈ 0.0002 — a documented render-root-lag tolerance, NOT a retail constant. DO-NOT-RETRY: T2 (BR-4) tried the retail value; CornerFloodReplay refuted it | `src/AcDream.App/Rendering/PortalVisibilityBuilder.cs:49` | Retail's tight epsilon only works with eye-exact swept curr_cell tracking; our viewer cell lags the eye by up to ~1 cm at pressed corners. Tighten after the #108-membership family + cdstW near-clip pin land | A 1 cm misclassification band at portal planes can flood or cull a portal the eye hasn't crossed — one-frame leaks / grey flashes at knife-edge doorway/corner positions | F_EPSILON @0x007c8c70; `PView::InitCell` 0x005a4b70 |
| AP-20 | Sub-pixel view-polygon vertex merge fixed at 1080p-reference NDC units (2/1080); retail merges at ~1 actual screen pixel | `src/AcDream.App/Rendering/PortalProjection.cs:179` | Unit approximation whose coarseness only strengthens convergence — the merge is the flood's fixpoint floor (replaced MaxReprocessPerCell=16) | At 4K+ a legitimately visible 1–2 px sliver aperture collapses to degenerate and rejects — a thin/distant doorway stops admitting its flood slightly earlier than retail | `Render::copy_view` 0x0054dfc0 |
| AP-21 | Entity translucency retains the invented α<0.05 fragment discard. World GfxObj/Setup instances now apply their DAT AlphaBlend/Additive/InvAlpha factors through the retail shared alpha queue, but sealed off-screen WbDrawDispatcher consumers (paperdoll/UI Studio) retain the old immediate normal-alpha pass for all three kinds | `src/AcDream.App/Rendering/Shaders/mesh_modern.frag`; `src/AcDream.App/Rendering/Wb/WbDrawDispatcher.cs` (`DrawDeferredAlphaBatch` versus immediate Phase 8) | World presentation needed exact per-surface blend for spell/particle density and translucent-object intersections. Off-screen object previews are isolated render targets and have not shown an authored additive entity surface that justifies splitting their compact immediate pass | A faint world fringe below 5% alpha is discarded; a hypothetical additive/inverse-alpha paperdoll or UI Studio entity composites darker than retail inside that private viewport | `D3DPolyRender::SetSurface`; `D3DPolyRender::RenderMeshSubset`; SurfaceType.Additive → D3DBLEND_ONE |
-| ~~AP-22~~ | **RETIRED 2026-08-06.** The invented cylinder is deleted, not re-derived: retail synthesizes NO shape for a shapeless object. `CPhysicsObj::FindObjCollisions` @0x0050f050 dispatches EXCLUSIVELY — BSP xor CylSphere xor Sphere xor nothing — and with zero cylspheres, zero spheres and no physics BSP it branches straight to the epilogue at `0x0050f22f je 0x50f31b`, returning the `OK_TS` seeded at `0x0050f13b mov edi,1`. Byte-verified against the PDB-paired binary (`9e847e2f-777c-4bd9-886c-22256bb87f32`), disassembled independently rather than read from the Binary Ninja text, whose `ebp_1` aliasing in this function is visibly corrupt. **`CPartArray::GetRadius` (0x005180a0) and `GetHeight` (0x005180b0) are absent from the function's entire call set** (which is exactly `GetNumCylsphere` 0x518080, `GetCylsphere` 0x518090, `GetNumSphere` 0x518060, `GetSphere` 0x518070, `CCylSphere::intersects_sphere` 0x53b8f0, `CSphere::intersects_sphere` 0x537fd0, `OBJECTINFO::missile_ignore` 0x50ceb0, `CPartArray::FindObjCollisions` 0x518180, `COLLISIONINFO::add_object` 0x6b4e20) — `Setup.Radius`/`Height` serve attack cones, `cylinder_distance` and MoveTo, never collision geometry; that consumer (`LiveEntityMotionRuntimeController.GetSetupCylinder`) is retail-faithful and untouched. **The row's site list was incomplete and partly wrong**: it named `ShadowShapeBuilder.cs`, which never reads `Setup.Radius` at all, and omitted TWO real copies — including `LandblockPhysicsContentBuilder`, the ONLY one the headless host executes. Fixing just the cited site would have left headless statics on the invented footprint. All three are deleted. **The row's risk statement was also stale**: it described a live approximation over "rare decorative props", but the branch was unreachable dead code. A sweep of all 5,935 Setups in the installed `client_portal.dat` — validated by byte accounting (5,935/5,935 records consumed with an exact `20 + 48*numLights` residual tail and zero unexplained bytes) and reproduced independently by the production `FlatCollisionAssetBuilder.FlattenSetup` path — finds **0** Setups satisfying the guard: every Setup with `Radius > 0.0001` carries at least one CylSphere or Sphere, and all 1,294 genuinely shapeless Setups have `Radius` exactly 0. Buckets: 678 with ≥1 CylSphere, 3,605 with 0 CylSpheres and ≥1 Sphere, 358 with no primitive but ≥1 physics-BSP part, 1,294 shapeless, 4,282 with `Radius > 0.0001`. Nothing loses collision, because nothing gained it; no visual gate is required. Pinned by `InstalledSetupCollisionReachabilityTests` (negative claim plus five external positive controls so a broken enumeration cannot pass it vacuously — sabotage-verified: inverting the claim reddens it, and an emptied enumeration fails on the controls at `0 != 5935` rather than passing) and by `ShapelessSetupWithRadius_ProducesNoRegistration`, whose sabotage (restoring the deleted block) reddens exactly that fact. The one prior test pinning the fallback built a DAT-impossible Setup; its live state/flag/seed-cell assertions were re-hosted onto a CylSphere fixture rather than deleted, and sabotage-verified in both directions. Evidence: `docs/research/2026-08-06-ap22-contract.md`. | `src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs` (`Build`); `src/AcDream.App/Streaming/LandblockPhysicsPublisher.cs` (`PublishStaticEntity`); `src/AcDream.Content/LandblockPhysicsContentBuilder.cs` (`PublishStaticCollision`, headless-only); `tests/AcDream.Content.Tests/InstalledSetupCollisionReachabilityTests.cs`; `tests/AcDream.App.Tests/Physics/LiveEntityCollisionBuilderTests.cs` | — | — | `CPhysicsObj::FindObjCollisions` 0x0050f050 (OK_TS seed 0x0050f13b; BSP dispatch `test …,0x10000` 0x0050f165 / `je` 0x0050f16f; BSP-branch exit `jmp` 0x0050f19d; zero-spheres exit `je 0x50f31b` 0x0050f22f; epilogue 0x0050f31b); `CPartArray::GetRadius` 0x005180a0 and `GetHeight` 0x005180b0 (absent from that call set); consumers `CPhysicsObj::check_attack` 0x0050ec80, `get_distance_to_object` 0x0050f7a0 | **EVIDENCE CORRECTED 2026-08-06 at the AP-22 architecture review.** The retirement commit claimed "Headless.Tests 89/89 exercises the site-3 copy"; that is FALSE, proven by sabotage - restoring the invented cylinder in BOTH static sites left the entire suite green. No test references `PublishStaticCollision`, and the headless suite's dummy DAT proxy makes `LandblockLoader.Load` fail so the code is never reached. Two of the three deletions, including the headless-only one, are pinned by the installed-DAT reachability proof ALONE. The behaviour is right; the coverage claim was not. Two further precisions: sites 2/3 guarded on the strictly wider `Radius > 0f` (not site 1's `> 0.0001f`), which differ over the DAT by exactly one Setup - `0x02001657`, denormal radius 1.3e-39 - and the reachability test now evaluates BOTH guards, each measured zero; and the stronger true fact is that all 1,652 no-primitive Setups carry `Radius` exactly 0, which is what actually makes sites 2/3 safe, rather than the 1,294 figure this row first cited. Retail DOES read `GetHeight` inside `report_object_collision` for the quadrant field - that is not a refutation of "never collision geometry", which is a claim about `FindObjCollisions`' shape dispatch only. Reachability independently reproduced by four decoders (contract sweep, implementer parser, both reviewers' from-scratch parsers) plus `tools/SetupInspect`.
+| AP-22 | Invented `setup.Radius` cylinder (height = Height or Radius×2) for shapeless live entities; shape + height formula not from the retail shape walk | `src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs`; `src/AcDream.Core/Physics/ShadowShapeBuilder.cs` | ShadowShapeBuilder (faithful walk) only emits CylSphere/Sphere/Part-BSP; the legacy cylinder preserves prior behavior so rare decorative props don't lose collision | Those props collide with an invented footprint (especially the Radius×2 height guess) — slides/blocks at non-retail distances | `find_obj_collisions` → `CPartArray::FindObjCollisions` pc:286236 |
| AP-23 | Invented per-type pickup-radius heuristic (3 m creatures / 2 m doors-lifestones-portals-corpses / 0.6 m rest) for close-range gating plus the speculative local TurnToObject/MoveToObject install through the player's MoveToManager. **R5-V3 narrowed it:** the install threads the target's real Setup radius/height (`GetSetupCylinder`, same as wire mt-6) and the player's real radius; only the radius buckets remain invented. **Use retired from this seam 2026-07-25** and now sends immediately. | `src/AcDream.App/Interaction/WorldSelectionQuery.cs` (`TryGetApproach`/`GetUseRadius`); `src/AcDream.App/Interaction/PlayerInteractionMovementSink.cs` (`BeginApproach`) | The retained pickup presentation reserves a destination slot before the authoritative transfer; its close branch still needs an arrival boundary | A target whose real UseRadius differs from the bucket misjudges the pickup gate — pickup waits forever or fires early into a server "too far" | ACE Player_Move.cs:66; wire MoveToObject (type 6) carries the true radius; `CPhysicsObj::TurnToObject/MoveToObject` callers §9a/§9b |
| ~~AP-24~~ | **RETIRED 2026-07-11** — matching v11.4186 x86 disassembly recovered `ATTACK_POWERUP_TIME=1.0` seconds and `DUAL_WIELD_POWERUP_TIME=0.8` seconds from the operands loaded by `GetPowerBarLevel`; jump and combat now share those constants. | `src/AcDream.Core/Combat/CombatModel.cs`; `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs`; `src/AcDream.Runtime/Gameplay/RuntimeCombatAttackState.cs` | — | — | `ClientCombatSystem::GetPowerBarLevel @ 0x0056ADE0`; static data `0x007CEFC8/0x007CEFD0` |
+| AP-25 | Run/Jump skill pushed to movement = attributeBonus + Init + Ranks — no augmentations, multipliers, or vitae | `src/AcDream.Core.Net/GameEventWiring.cs:346` | Closest to ACE's CreatureSkill.Current short of porting the full Aug/Multiplier/Vitae chain (K-fix7/13) | A character with augs or post-death vitae predicts wrong local run speed / jump arc — dying would NOT slow the local player though the server moves them slower: drift + snap-back | ACE CreatureSkill.Current; ACE Skill.cs (Jump=22, Run=24) |
| AP-26 | DDD interrogation answered with an empty dat-version list (count=0); retail reports actual dat iteration state | `src/AcDream.Core.Net/Messages/DddInterrogationResponse.cs:18` | ACE is satisfied by the empty ack; pattern from holtburger | A dat-patching-enabled server could push a full patch or reject on version mismatch — the lie is harmless only while the server never acts on it | DDD flow 0xF7E5/0xF7E6 |
| AP-27 | PlayerDescription trailer: GameplayOptions skipped by a 4-byte-aligned heuristic scan for a valid inventory parse; options blob captured opaque, never decoded (retail decodes + applies UI options) | `src/AcDream.Core.Net/Messages/PlayerDescriptionParser.cs:69` | Variable-length opaque blobs; mirrors holtburger's heuristics; follow-up issue extends when panels consume those sections | An options blob that coincidentally parses as a valid inventory (or inventory not landing at EOF) yields wrong/empty inventory+equipped at login; retail-persisted UI options silently ignored | ACE GameEventPlayerDescription.WriteEventBody; holtburger events.rs:195-218 |
-| ~~AP-28~~ | **RETIRED 2026-08-08 (Campaign A slice A2).** The three picked AL parameters and the gain-driven eviction are both gone. `RetailSoundMixer` now carries the byte-decoded retail curve — `g = dist < 5 ? vol : 25·vol/dist²`, clamped to 1, ONE master multiply, `db = ceil(20·log10 g)`, and a hard −50 dB no-allocate floor (audible radius ≈94.2 m at unity) — with pan as retail's `−15·sin(Δbearing)` in whole decibels and a 5-metre integer deadzone. Every AL source is source-relative with `AL_ROLLOFF_FACTOR = 0` and the global distance model is `None`, so AL contributes no attenuation of its own; the old `InverseDistanceClamped` ref-2 m curve was inverse FIRST power (`2/d`), quieter than retail up close and far louder at range with no cutoff at all. Voice eviction now compares the DAT-authored float priority strictly-less in ring order per `SoundManager::PlaySoundInternal` @ `0x0054FEC0` (the row's old `FUN_00550ad0` citation was wrong — that address is inside an `IntrusiveHashTable` constructor). The residual pan-LAW approximation is AP-173; retail's own `s_bPlaySoundOnlyWhenActive` gate is TS-64. | retired | — | — | `SoundManager::GetAttenuation @ 0x00550020`; `SoundManager::PlaySoundInternal @ 0x00550170` and `@ 0x0054FEC0`; `docs/research/2026-08-08-audio-retail-soundmanager-core.md` |
+| AP-28 | 3D audio falloff via OpenAL InverseDistanceClamped with picked constants (ref 2 m, max 1000 m, rolloff 1); voice pool/eviction IS cited to retail | `src/AcDream.App/Audio/OpenAlAudioEngine.cs:146` | Stands in for retail's DirectSound-era attenuation; r05 §5.3 documents inverse-square behavior but the three AL params were picked, not ported | Sounds attenuate at a different rate — too loud/quiet at range side-by-side; gain-driven eviction comparisons inherit the skew | FUN_00550ad0 (voice pool only); r05 §5.3 |
+| AP-30 | AutonomousPosition diff cadence compares with epsilons (1 mm pos, 1e-4 normal, 1 mm dist); retail's `Frame::is_equal` is an exact float compare | `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:1110` | Sub-millimeter epsilon is well below any movement worth suppressing; comparisons are against last-SENT state so drift accumulates past the epsilon | Sub-epsilon drift suppresses an AP send retail would have made — negligible today; a consumer expecting retail's exact send-on-any-change cadence sees fewer packets | `Frame::is_equal` pc:700263 |
| AP-31 | Scenery placement drift + the 0xA9B1 road-edge tree — WB-upstream divergences from retail, ACCEPTED (**#49/#50**, 2026-05-11) | `src/AcDream.Core/World/SceneryGenerator.cs` (via `WbSceneryAdapter`) | Piecemeal patching against WB upstream is net-negative (the `e279c46` road-check attempt over-suppressed scenery elsewhere, reverted `677a726`); visible impact = a handful of trees a few meters off | The same WB-upstream class could hide a *larger* placement divergence elsewhere; revisit only via a coherent ACME-style per-vertex filter port | `CLandBlock::get_land_scenes`; ACME GameScene.cs:1074 per-vertex road filter |
| AP-32 | Cell shells DRAW +0.02 m above the dat EnvCell origin (`ShellDrawLiftZ`, z-fight vs coplanar terrain); retail draws at the origin verbatim. Split invariant: PHYSICS + visibility graph UNLIFTED (f35cb8b, **#119**-residual), every DRAW-space consumer of portal/cell geometry LIFTED (OutsideView color gate via `Build(drawLiftZ)`, seal/punch fans — **#130**) | `src/AcDream.App/Rendering/PortalVisibilityBuilder.cs` (`ShellDrawLiftZ`); `src/AcDream.App/Rendering/RetailPViewPassExecutor.cs` (`DrawPortalDepthWrite`) | Shell floors coplanar with terrain z-fight in our z-buffered frame; the 2 cm lift is the documented stand-in | A new draw-space consumer of portal/cell polygons that forgets the lift re-opens a 2 cm seam at horizontal aperture edges (the #130 top-edge strip, ~7 px at 2.4 m); a visibility consumer that picks up the LIFTED transform re-opens the #119-residual horizontal-portal side-cull | retail draws cell geometry at the dat EnvCell origin (no lift) |
| AP-33 | Interior-root look-in cells (**#124** sub-pass) draw their statics + DYNAMICS + emitters WHOLE — no per-part/per-object viewcone check; retail viewconeCheck's each vs the installed view (the **#131** portal closure: a server object in a look-in cell drew nowhere — dynamics-last culls cells absent from the main cone, and post-seal it z-fails anyway) | `src/AcDream.App/Rendering/RetailPViewRenderer.cs` (`DrawBuildingLookIns`) | The main viewcone has no entries for look-in cells; over-include is the safe direction (z-correct, repainted outside apertures by the root's shells); look-in cell counts are small (~1-3 cells) | A few wasted draws on content outside the doorway region (repainted); no under-draw direction remains | `viewconeCheck` 0x0054c250; nested `DrawCells` objects pc:432878 |
@@ -288,12 +155,8 @@ AP-94..AP-112 for the confirmed retail-UI completion gaps.
| AP-43 | Per-object torch (point/spot) lighting AND sun are both gated on the OBJECT's own cell via the same `IndoorObjectReceivesTorches(ParentCellId)` predicate (`(id & 0xFFFF) >= 0x0100`): indoor objects (EnvCell-parented) get torches + NO sun; outdoor objects get the SUN + ambient + NO torches. This is the faithful per-draw port of retail's `useSunlight` gate — `DrawMeshInternal` (0x0059f398) calls `minimize_object_lighting` only `if (Render::useSunlight == 0)`, and `PView::DrawCells` (0x005a4840) calls `useSunlightSet(1)` (0x005a485a) for the outdoor stage and `useSunlightSet(0)` (0x005a49f3) for the interior-cell stage. **#142 (2026-06-20):** the sun gate is now PER-INSTANCE in the shader (binding=6 `instanceIndoor[]` flag in `mesh_modern.vert`, filled by `AppendCurrentLightSet`) — it was previously a per-FRAME global keyed on the PLAYER cell (`UpdateSunFromSky`). The per-frame global is retained for sealed dungeons (correctly kills the sun frame-wide when no sky is visible). **Residual:** the `ebp_2` second seen-outside test in `CellManager::ChangePosition` (0x004559B0) is unaudited — unclear whether it changes the ambient/sun regime for a subset of cells. No observed behavioral impact in tested cells. | `src/AcDream.App/Rendering/Wb/WbDrawDispatcher.cs` (`IndoorObjectReceivesTorches`, `ComputeEntityLightSet`, `AppendCurrentLightSet`, `_instIndoorSsbo`/`_indoorData`/`InstanceGroup.IndoorFlags`); `src/AcDream.App/Rendering/Shaders/mesh_modern.vert` (binding=6 `instanceIndoor[]` gate on sun loop); per-frame sun `src/AcDream.App/Rendering/WorldRenderFrameBuilder.cs` (`RuntimeWorldFrameEnvironmentPreparation.UpdateSunFromSky`) | Torches: outdoor objects never torch-lit (exact retail). Sun: indoor objects (furniture, NPCs, player in a windowed building) never sun-lit (exact retail per-stage). Ambient: per-player-cell regime unchanged (exact retail `ChangePosition`). | The `ebp_2` unaudited test in `ChangePosition` could affect a narrow class of cells (entrance cells? sub-cells with special flags?) — no symptom observed; audit it if a lighting edge case arises in an unusual cell type | `useSunlight` gate `DrawMeshInternal` 0x0059f398; `useSunlightSet` 0x0054d450; per-stage `PView::DrawCells` 0x005a4840 (`useSunlightSet(1)` 0x005a485a / `useSunlightSet(0)` 0x005a49f3); `minimize_object_lighting` 0x0054d480; `CellManager::ChangePosition` 0x004559B0 (ambient + seen_outside) |
| AP-35 | Point/spot lights are now PER-VERTEX Gouraud (`pointContribution` ~line 153 of `mesh_modern.vert`) matching retail's `SetStaticLightingVertexColors` bake path. Half-Lambert wrap (`(1/1.5)·(N·D + 0.5·d)`) AND norm distance attenuation (`distsq>1 ? distsq·d : d`) ARE ported (A7 Fix A, `aa94ced`). Point-light sum clamped to [0,1] on its own accumulator before adding ambient+sun (A7 Fix D D-1, mirrors retail's per-vertex bake clamp). CPU oracle: `src/AcDream.Core/Lighting/LightBake.cs`, locked by `tests/AcDream.Core.Tests/Lighting/LightBakeConformanceTests.cs`. **Residual (two parts):** (a) acdream lights in-shader each frame (per-frame GPU evaluate); retail bakes into the vertex buffer ONCE — an architecture/performance difference; the wrap + norm + clamp formula is the same, but bake-once is cheaper for static geometry; (b) acdream's `SelectForObject` keeps only the 8 NEAREST reaching point/spot lights per object/cell (`MaxLightsPerObject=8`, see AP-16), whereas retail's bake sums ALL reaching static lights per vertex — a surface reached by >8 point lights is dimmer in acdream than retail's bake result (rare in practice; a room has a handful of torches) | `src/AcDream.App/Rendering/Shaders/mesh_modern.vert` (`pointContribution` ~line 153; wrap ~line 163; norm ~line 167; point-sum clamp line 210) | Per-vertex Gouraud + wrap + norm + clamp all match retail. The two residuals are: (a) per-frame GPU vs bake-once — architecture/perf only; (b) 8-light cap dimming when >8 lights reach one surface — rare. `LightInfoLoader.cs:81` folds static_light_factor 1.3 into Range | (a) A new frame-time consumer bypassing `accumulateLights` would need to replicate the wrap + norm formula; per-frame GPU re-evaluate has higher per-frame cost than bake for static geometry. (b) A densely lit scene (>8 torches reaching one wall) renders dimmer than retail — see AP-16 for the 8-cap ownership | `calc_point_light` 0x0059c8b0 (line 0x0059c9a2 ramp; 0x0059c925 wrap); `SetStaticLightingVertexColors` 0x0059cfe0; static_light_factor 0x00820e24 |
| AP-37 | LayoutDesc meters collapse Type-3 slice descendants into `UiMeter.BackLeft..FrontRight` and reuse `UiMeter.DrawHBar` rather than building those media descendants and dispatching retail `UIElement_Meter::DrawChildren`. Non-Type-3 meter children are imported normally. | `src/AcDream.App/UI/Layout/DatWidgetFactory.cs` (`BuildMeter`/`SliceIds`); `LayoutImporter.cs` meter child predicate | The current vitals/character meter shapes are visually accepted and fixture-pinned; this is a representation adaptation, not a controller overlay. | A meter with a different descendant/media structure can render empty or with incorrect clipping/direction | `UIElement_Meter::DrawChildren @ 0x0046FBD0`; production meter LayoutDesc fixtures |
-| AP-39 | Chat lines carry one solid color per line (retail's exact 34-value `LogTextType` table as of Campaign CH slice CH1, 2026-08-09 — see `RetailChatColorTable`, no longer the earlier synthetic per-`ChatKind` approximation); retail `UIElement_Text` supports per-glyph styled runs (bold, different hue per segment) | `src/AcDream.UI.Abstractions/Panels/Chat/RetailChatColorTable.cs`; consumers `src/AcDream.App/UI/Layout/ChatWindowController.cs`, `src/AcDream.UI.Abstractions/Panels/Chat/ChatPanel.cs` | Retail glyph-run parsing lives inside keystone.dll with no PDB/decomp; per-line coloring is now the exact retail tonal palette (`ChatInterface::BuildChatColorLookupTable @0x004F31C0`), not an approximation of it | Chat lines retail renders with multiple colors or bold names (e.g. "PlayerName says: text") render as one flat color; subtle visual difference but functionally complete | `UIElement_Text` glyph-run styling (keystone.dll, no decomp); `docs/research/2026-08-09-chat-retail-color-table.md` |
-| AP-175 | PopUpString (`GameEvent 0x0004`) renders as an ordinary chat-log line (`ChatKind.Popup`) instead of retail's MODAL DIALOG. Filed 2026-08-09, Campaign CH slice CH1 (color table) — the color-table work routes this entry through the new 34-value `LogTextType` table (fixed at `0x00` Default/green, unchanged from the entry's pre-existing color) but does not change WHERE it renders; a modal-dialog port is out of this slice's scope | `src/AcDream.Core/Chat/ChatLog.cs` (`OnPopup`); `src/AcDream.Core.Net/GameEventWiring.cs:126` | Informational popup text still reaches the player via the chat transcript; a full modal-dialog port is deferred work, not a color-table concern | Any retail-specific PopUpString behavior contingent on being a blocking modal (e.g. must-acknowledge) is not reproduced; acdream's chat-log line can be missed or scrolled past instead | `ClientCommunicationSystem::Handle_Communication__PopUpString @0x0057FE80`; `docs/research/2026-08-09-chat-retail-color-table.md` §5.1 |
-| AP-177 | SpewBox line lifetime is an INVENTED 5-second placeholder. Retail's `gmSpewBoxUI` never raises the expiry element message (`0x10000003`) anywhere in its own compiled Sept 2013 EoR code — the real per-line timeout/fade curve is owned by keystone.dll's authored behaviour for layout `0x10000012` element `0x1000004A`, which this slice did not measure (a live cdb capture on `gmSpewBoxUI::ListenToElementMessage @0x004D57C0` against a real retail client would resolve it). Filed 2026-08-09, Campaign CH slice CH2 | `src/AcDream.Core/Chat/SpewBoxState.cs` (`DefaultLifetime`) | A round, conservative placeholder was chosen over guessing a retail-matching curve; no fade is modeled at all (the line pops on and off) | SpewBox lines may linger noticeably longer or shorter than retail's actual timing, and pop instead of fading | `docs/research/2026-08-09-chat-retail-interface-text.md` §3.2.1 |
-| AP-178 | **NARROWED 2026-08-09 at the CH2 REJECT-review rework (NIT 3, `docs/research/2026-08-09-ch2-review-findings.md`), WORDING CORRECTED at the CH2 re-review nits pass (`docs/plans/2026-08-09-chat-parity-campaign.md`, nits 1/2/6):** the original filing's `dats.Portal` pass used an id source (`DatCollection`'s top-level AGGREGATE `GetAllIdsOfType()`) that is NOT `dats.Portal`'s own id space (`dats.Portal.GetAllIdsOfType()` reports a count of ZERO for this type), so querying those ids against `dats.Portal.TryGet` established nothing about Portal either way — the "swept only dats.Portal and found ZERO... all-invented" framing overclaimed a search that never meaningfully happened. Extending the sweep to `dats.Local` (`client_local_English.dat`), this time correctly paired, FOUND it: LayoutDesc `0x21000011`, element `0x10000048`, whose sole child (ListBox `0x10000049`, matching `gmSpewBoxUI::PostInit`'s `GetChildRecursive(0x10000049)` verbatim) carries ListBox property `0x10000028` = the integer `4`. Whether `dats.Portal` ALSO carries a copy remains UNESTABLISHED, not ruled out. Two sub-claims RETIRE: extent is now AUTHORED (`450×72`, not a placeholder size) and `MaxConcurrentItems` is now AUTHORED (`4`, not retail's code-default `1`). **CH USER-GATE ROUND 1 (2026-08-09):** colour PINS — the user tested live, side-by-side against retail, and confirmed the on-screen SpewBox text is the same bright yellow as an incoming Tell (`0x81C4C8`, `RetailChatColorTable.Yellow` = `(1, 1, 0.247, 1)`); `SpewBoxController.SpewBoxColor` now uses that exact value. The user's SAME live pass also reported that SIZE, POSITION, and FONT still visibly differ from retail — so despite extent's earlier AUTHORED status above, size is user-gate round 1: differs, iterating (re-opened pending a follow-up measurement pass, not yet root-caused). Three sub-claims therefore REMAIN open: (1) absolute screen position — the recovered position is `(0,0)` RELATIVE TO A PARENT this sweep could not identify (the element is presumably still mounted via the C++ `gmClient` HUD registration block the research doc's §1.1 describes, just parented under something dat-authored rather than the root view directly), so `TopOffset=60px` + a centered `Left` recomputed every frame (corrected from a one-time computation at nit 1 — see `SpewBoxController.Tick`) remain acdream's own placeholder, not a resolved retail value, and the user confirms this is visibly wrong; (2) size/font — the AUTHORED `450×72` extent and whatever font this renders with still do not match what the user sees live; unmeasured which of extent, the unresolved parent scale, or font metrics is the actual cause; (3) vertical content flow — the block now renders TOP-aligned (newest line at the top, via `UiText.VerticalJustify`/`HonorVerticalJustification`, nit 2) because that is the only placement consistent with "newest on top," but retail's own authored vertical justification for this element is unmeasured, so this is also acdream's invention pending measurement, not a resolved retail value. Retail's edge codes (`leftEdge=3`/`rightEdge=3`, "centered" per `ElementReader.ToAnchors`'s own doc comment; `topEdge=1`, top-anchored) confirm the box is a fixed-width centered block, not a full-viewport stretch — `SpewBoxController`'s anchor shape was corrected to match (`AnchorEdges.None` + a centered `Left` recomputed every frame against the current root width, `OneLine=false` since 4 concurrent lines can now actually be visible instead of collapsing to 1). **CH USER-GATE ROUND 3 (2026-08-10):** the user's finding (a) confirmed POSITION and FONT still read wrong live — "not aligned all the way to the top" and "not the correct font and size (retail's is SMALLER)." Both sub-claims close as best-available APPROXIMATIONS, not resolved retail values (a re-run of `SpewBoxLayoutDumpDiagnostic` this round still finds no `FontDid`/colour property on element `0x10000048` or its ListBox child `0x10000049`, confirming the true retail values remain genuinely unmeasurable statically): (1) position — `TopOffset` moves from the round-1 60px placeholder to `0` (flush to the viewport top), per the user's explicit direction; the true retail PARENT remains unidentified. (2) font — `SpewBoxController` now resolves retail dat Font `0x40000025` (`MaxCharHeight=11px`, `Baseline=9px`; confirmed via `AcDream.Cli dump-font-atlas` sweeping every populated font id `0x40000000`-`0x40000032` in the installed DAT) instead of silently falling through to the unwired 15px debug `BitmapFont` every prior round shipped with (no `DatFont`/`Font` was ever set on this element before). `0x40000025` is the SMALLEST font id confirmed in use by any of acdream's currently-imported retail LayoutDesc fixtures (cross-referenced across all `tests/AcDream.App.Tests/UI/Layout/fixtures/*.json` dumps) — it is ALSO the chat window's own smallest font (the `0x2100006F` floating-window 1/2/3/4 indicator badges), so both selection criteria the round-3 brief offered agree on the same id, with no tie to break. Vertical content flow remains OPEN, unchanged from round 1. **CH USER-GATE ROUND 4 (2026-08-10),** `docs/research/2026-08-10-retail-ui-text-style.md`: the earlier "absent from both dats" finding for the SpewBox's own line template (element `0x1000004A`, base style `0x10000377` in layout `0x2100003F`) was WRONG — it was missed because the element is a ROOT of its layout (a children-only walk skips it) and its font/colour live in a BaseElement in a DIFFERENT LayoutDesc plus a NAMED state, not its own DirectState. Font, size, outline, and position all resolve as AUTHORED, closing three of the four remaining sub-claims: (1) font is `0x40000001` (18px bold serif), not the round-3 smallest-font heuristic `0x40000025` — three independent cross-checks (base style FontDID, the 18px authored line height, and 4×18=72=the authored box height); (2) the line template's state `0x10000002` authors property `0x21` (Outline) = `true` with no authored `0x22` (OutlineColour) → ctor default black — the heavy black border the user's screenshot showed and rounds 1-3 never reproduced; (3) position/extent are CONFIRMED authored, not merely user-matched by luck — `0x10000048` is a ROOT element of its own layout, so `pos(0,0)` + edge codes `L3/R3` (centred) + `T1` (top-anchored) resolve to exactly `TopOffset=0` + the per-frame centred `Left` recompute already in place. Only TWO sub-claims remain open: fill COLOUR (the authored `ARGB(255,255,0,0)` for state `0x10000002` still does not match the user's gold/amber screenshot; the font atlas is confirmed `PFID_A8` alpha-only so it cannot carry baked shading — the user-pinned yellow `(1,1,0.247,1)` stands, an exact retail cdb capture of live `m_curFontColor` is the only remaining resolution path) and vertical content flow (still fully OPEN, unchanged from round 1). Separately, the same commit ported the outline MECHANISM generically (`UiDatFont.BorderX`/`BorderY`, `UiRenderContext.DrawStringDat`'s two-pass model, and LayoutDesc property 0x21/0x22 import onto every DAT-imported text element) so the SpewBox is no longer a special case. | `src/AcDream.App/UI/SpewBoxController.cs`; `src/AcDream.Core/Chat/SpewBoxState.cs` (`MaxConcurrentItems`); `src/AcDream.App/UI/UiText.cs` (`HonorVerticalJustification`); `src/AcDream.App/UI/RetailUiRuntime.cs` (`Assets` accessor, round 3) | Colour is CONFIRMED, not a placeholder — CH user-gate round 1 (2026-08-09) pinned it against the user's own live side-by-side retail observation, not a recollection. A live cdb capture of `gmSpewBoxUI`'s runtime rect/state (or walking the `States` dictionary this pass skipped, or identifying the C++-assigned parent) remained the resolution path for position/size/font before round 4 resolved all three as AUTHORED (see the round-4 paragraph above); an exact cdb capture of live `m_curFontColor` is now the only remaining resolution path, for fill colour and vertical content flow | SpewBox text may render in the wrong absolute screen location, size/font, or vertical flow versus retail — all three CONFIRMED wrong by the user's CH round-1 live pass, not merely suspected; colour is CLOSED and no longer a risk. The size/max-items risk this row originally recorded ("bursts of refusals collapse to one visible line where retail's authored ListBox may show more") is RETIRED — up to 4 now render, matching the authored value, though the box's overall size still visibly differs from retail per the user. Round 3 (2026-08-10) closes the position/font risks as best-available approximations (flush-top mount, smallest confirmed-used retail font) rather than resolved retail values — the box may still not sit at retail's true pixel position/size, and the exact retail font remained genuinely unmeasurable — round 4 (2026-08-10) resolves both as AUTHORED (see the round-4 paragraph above), retiring this risk for position/font entirely. Only fill colour (the authored red does not match the user's gold screenshot; the user-pinned yellow stands) and vertical content flow remain OPEN, unchanged from round 1 | `docs/research/2026-08-09-chat-retail-interface-text.md` §3.2.2-§3.2.4; `tests/AcDream.App.Tests/UI/SpewBoxLayoutDumpDiagnostic.cs`; `src/AcDream.App/UI/Layout/ElementReader.cs` (`ToAnchors`) |
-| AP-179 | `ChatLog.OnCombatLine`'s generic `0x06` Combat fallback types combat-feedback lines with a single stand-in `LogTextType` for callers with no more specific hit/miss/evade classification in hand, instead of retail's per-message dispatch. Split out of AP-176 (RETIRED 2026-08-09, Campaign CH slice CH2 — the WeenieError half of that bundled row is now the full 344-row `HandleFailureEvent` port, `WeenieErrorMessages.Resolve`); this combat-line half was never in CH2's scope and keeps its own row so the divergence is not silently dropped | `src/AcDream.Core/Chat/ChatLog.cs` (`OnCombatLine`) | `0x06` matches the switch's majority combat-line behavior and is a safe baseline; a full per-combat-message dispatch port is out of Campaign CH's scope | Wrong chat color for the combat-line kinds retail types distinctly (hit/miss/evade variants) | `ClientCommunicationSystem::HandleFailureEvent @0x00571990`; originally filed at the CH1 Opus review 2026-08-09 as part of AP-176, split out at CH2 |
-| AP-180 | `RuntimeCommunicationState.AddText`'s `windowId` parameter is accepted but not consumed — retail's `ClientSystem::AddTextToScroll(text, type, allowPluginFilter, windowId)` delivers a `type == 0x1A` message with a non-zero `windowId` to BOTH the SpewBox and that specific chat window (research doc §2.3), the shape ~40 slash-command-output sites depend on. acdream's chokepoint routes on `type` alone; every current production caller passes `windowId = 0`, so the gap is latent, not yet visibly wrong. Filed 2026-08-09 at the CH2 REJECT-review rework (NIT 2, `docs/research/2026-08-09-ch2-review-findings.md`) | `src/AcDream.Runtime/Gameplay/RuntimeCommunicationState.cs` (`AddText`) | No production caller passes a non-zero `windowId` yet, so nothing observably diverges today; implementing the dual-destination echo is CH4/CH5 scope at the earliest | A future slash-command-output caller that passes a non-zero `windowId` expecting it to echo into its originating chat window (matching retail) will silently land in the SpewBox only | `ClientSystem::AddTextToScroll @0x00563C50`; `docs/research/2026-08-09-chat-retail-interface-text.md` §2.3 |
+| AP-39 | Chat lines carry one color per `ChatKind` (per-line solid color); retail `UIElement_Text` supports per-glyph styled runs (bold, different hue per segment) | `src/AcDream.App/UI/UiText.cs:13` | Retail glyph-run parsing lives inside keystone.dll with no PDB/decomp; per-line per-kind coloring is the correct tonal palette and covers all existing chat types | Chat lines retail renders with multiple colors or bold names (e.g. "PlayerName says: text") render as one flat color; subtle visual difference but functionally complete | `UIElement_Text` glyph-run styling (keystone.dll, no decomp) |
+| AP-40 | Chat uses one fixed `0.75` outer opacity and has no descendant-focus-driven active/default opacity transition | `src/AcDream.App/Rendering/GameWindow.cs` chat mount; `ChatWindowController.cs` | Font resolution is now live and per-element; only the opacity behavior remains deferred to the shared window/focus runtime | Focused chat remains too translucent and idle chat never restores the configured default alpha | `ChatInterface::SetOpacity @ 0x004F3120`; `SetDefaultOpacity @ 0x004F3BC0`; `SetActiveOpacity @ 0x004F3C40` |
| AP-41 | Scrollbar thumb 3-slice cap fallback only: single-tile draw (`0x06004C63`) used only when `ThumbTopSprite`/`ThumbBotSprite` are unset; the chat controller passes all three cap ids so the 3-slice path is drawn in practice | `src/AcDream.App/UI/UiScrollbar.cs:35` | The fallback single-tile path is unreachable when caps are bound (chat controller always sets them); the 3-slice path is the active code path | Only if a future caller omits the cap ids will the fallback fire — no visual regression in the chat window | `UIElement_Scrollbar::UpdateLayout @0x4710d0`; cap sprites `0x06004C60` (top) + `0x06004C66` (bottom) from base layout `0x2100003E` |
| AP-42 | `UiMenu` item model is flat (label + opaque payload, single-level popup); retail `UIElement_Menu::MakePopup @0x46d310` supports hierarchical nested submenus via recursive popup chain | `src/AcDream.App/UI/UiMenu.cs` | The chat talk-focus menu is single-level (14 rows, 2 columns, no submenu); hierarchy is latent and unreachable through the chat window — no behavioral difference in the current usage | A future menu with nested submenus would render flat (only the top-level items drawn, no drill-down) | `UIElement_Menu::MakePopup` @0x46d310 |
| AP-45 | `PublicUpdatePropertyInt (0x02CE)` sequence byte parsed-past but not honored; last update wins (no freshness check against sequence number) | `src/AcDream.Core.Net/Messages/PublicUpdatePropertyInt.cs` | Loopback ACE rarely reorders; this property stream has not yet joined the per-object freshness owner introduced for physics messages. | A reordered 0x02CE on a real network could apply a stale UiEffects value — item icon temporarily shows the wrong effect state, corrected on next update | `PublicUpdatePropertyInt` sequence byte (ACE GameMessagePublicUpdatePropertyInt) |
@@ -316,8 +179,7 @@ AP-94..AP-112 for the confirmed retail-UI completion gaps.
| ~~AP-66~~ | **RETIRED 2026-07-13 — authored paperdoll empty-slot presentation.** The earlier “no silhouettes” conclusion inspected the ItemList elements' own media but missed `UIElement_ItemList::InternalCreateItem`, which clones a distinct `UIElement_UIItem` catalog prototype for each location. All 21 supported jewelry, weapon, ammo, shield, clothing, cloak, trinket, and armor lists now resolve their exact `ItemSlot_Empty` surface from live DAT; `PostInit` confirms non-armor lists remain visible while the nine armor lists toggle with Slots. | `src/AcDream.App/UI/Layout/PaperdollSlotBackgrounds.cs`; `ItemListCellTemplate.cs`; `PaperdollController.cs` | — | — | `gmPaperDollUI::GetLocationInfoFromElementID @ 0x004A37F0`; `PostInit @ 0x004A5360`; `UIElement_ItemList::InternalCreateItem @ 0x004E3570`; `LayoutDesc 0x21000037` |
| AP-68 | acdream keeps the 128 nearest-to-CAMERA point lights live (`MaxGlobalLights=128`, `BuildPointLightSnapshot`) and selects per cell CAMERA-INDEPENDENTLY (by the cell's own bounds), so a building interior stays lit at any distance within a town; retail keeps only the 40 nearest-to-PLAYER static lights (`Render::max_static_lights=0x28`, distance-sorted replace-farthest `insert_light`) and re-bakes a cell when its live light set changes, so distant interiors are baked dark and "light up" only as the player approaches and their torches enter the live 40. INTENTIONAL — acdream's always-lit interiors are the preferred behavior (no 1999-era light-budget pop-in); user-confirmed 2026-06-20. | `src/AcDream.Core/Lighting/LightManager.cs` (`MaxGlobalLights=128`, `BuildPointLightSnapshot`, `SelectForObject`) | The retail pop-in is a fixed-function light-budget artifact, not an intended aesthetic; revert to retail by clamping the global set to 40 + distance-to-player sort if ever desired | Distant town interiors are lit in acdream where retail's are dark until approached — a deliberate, user-preferred divergence | `Render::max_static_lights` 0x28; `insert_light` 0x0054d1b0 (distance-sorted, replace-farthest); bake re-trigger `SetStaticLightingVertexColors` cache `burnedInStaticLights != num_static_lights` |
| AP-69 | acdream preserves one accepted active record across rebucketing and ports retail's 25-second leave-visibility destruction lifecycle. Spatially resident records cancel expiry; otherwise the ACE compatibility boundary uses holtburger's conservative 384-unit distance envelope and retains attached/container/wielder/parent-owned objects. Expiry uses the exact generation-safe active teardown, then retains only a cold `EntitySpawn` because ACE can keep the GUID in `KnownObjects` and omit CreateObject on revisit; explicit F747/new generation/session reset removes it. DIVERGENCE: retail can delete the complete object under its visibility protocol; the fallback does not yet derive visibility from retail/ACE ObjCell PVS (`SeenOutside` plus `VisibleCells`), and trade/container preview retention has no separate lifecycle flag. | `src/AcDream.App/World/LiveEntityRuntime.cs`; `src/AcDream.App/World/LiveEntityLivenessController.cs`; `src/AcDream.App/World/DormantLiveEntityStore.cs`; `LiveEntityHydrationController.OnPrune` | Prevents stale portal destinations from accumulating animation/effect/render owners while still allowing doors, signs, portals, and other ACE-known objects to rematerialize when the server does not resend them | Dormant data-only snapshots can grow with every unique ACE destination until F747 or session reset; a nonresident object outside 384 units that remains visible through an unusual long EnvCell PVS could expire early; a future preview-only object with no parent/container ownership could also expire. Replace the compatibility predicate when exact ObjCell PVS and preview lifetimes are available | `CPhysicsObj::prepare_to_leave_visibility` 0x00511F40; `CPhysicsObj::prepare_to_enter_world` 0x00511FA0; `CObjectMaint::AddObjectToBeDestroyed` 0x00508F70; `CObjectMaint::UseTime` 0x005089B0; ACE `KnownObjects`; `docs/research/2026-07-18-retail-object-liveness-and-mesh-reclamation-pseudocode.md` |
-| ~~AP-71~~ | **RETIRED 2026-07-30 (Campaign P Slice P4) — the `check_entry_restrictions` gate is now ported at the head of the indoor branch of `Transition.FindEnvCollisions`.** `ObjectInfo.CheckEntryRestrictions` (`src/AcDream.Core/Physics/TransitionTypes.cs`) reproduces retail's exact order: NPCs/props bypass, a mover with `CanBypassMoveRestrictions` (new PWD-bitfield decode, `BF_ADMIN 0x100000` AND `BF_IMMUNE_CELL_RESTRICTIONS 0x400000`, `acclient.h:6452-6454`) bypasses, an ordinary cell (`RestrictionObj == 0`) is a no-op. `CellPhysics.RestrictionObj` is now wired from the DAT-baked `EnvCell.RestrictionObj` field (§4.3's old open question — RESOLVED via `references/ACE/Source/ACE.DatLoader/FileTypes/EnvCell.cs:32,66-67` and an independent reflection probe of `Chorizite.DatReaderWriter` 2.1.7's own `EnvCell.RestrictionObj` field: it is a plain per-cell DAT field gated by `EnvCellFlags.HasRestrictionObj (0x8)`, NOT a live wire override; the BN pseudo-C's "count for an array alloc" reading at the same `UnPack` offset was the mis-attributed field-name collision `feedback_bn_decomp_field_names` warned about). Wired in BOTH the dev/graph-fixture path (`PhysicsDataCache.CacheCellStruct`) and the production/prepared path (`CachePreparedCellStruct`) — the latter already receives a live parsed `envCell` for `Position`/`EnvironmentId`, so no bake-format change was needed. See AP-129 for the narrower remaining gap this leaves. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`ObjectInfo.CheckEntryRestrictions`, `Transition.FindEnvCollisions`); `src/AcDream.Core/Physics/PhysicsDataCache.cs` (`CellPhysics.RestrictionObj`) | — | — | `CObjCell::check_entry_restrictions` pc:308873-308912 (0x0052b6d0); `CEnvCell::find_env_collisions` pc:309573-309597; `ACCWeenieObject::CanBypassMoveRestrictions` 0x0058c500; `ACCWeenieObject::CanMoveInto` 0x0058da40; `references/ACE/Source/ACE.Server/Physics/Common/ObjCell.cs:286-333` |
-| AP-129 | **NARROWED 2026-07-30 (P4 Opus review fix) — `CanMoveInto`/`IsAllowedIn` are now ported and fed; two narrow gaps remain.** `ObjectInfo.CheckEntryRestrictions` resolves the cell's `RestrictionObj` via `PhysicsEngine.Objects` (a `ClientObjectTable`, acdream's `GetObjectA` equivalent) and evaluates the real owner IID / `HouseRestrictionRecord` (open flag, allegiance monarch, guest table) fed from CreateObject's `HouseOwner`/`HouseRestrictions`/`Monarch` PWD-tail fields and live `House_UpdateRestrictions (0x0248)` refreshes — see `RestrictionObjPrevalenceInspectionTests` (103,766 of 729,888 installed EnvCells, 1,293 landblocks, carry a baked `RestrictionObj`; this is the whole housing estate, not a rare case, which is why the OLD unconditional-fail-closed row was upgraded to FIX-FIRST rather than shipped). Remaining gaps: (1) `House_UpdateRestrictions`'s `Sequence` byte is parsed but not used for staleness/reordering rejection — a lost-then-late UDP delivery could transiently apply an older restriction snapshot over a newer one (low-probability; the next full CreateObject or another update self-corrects). (2) Outdoor `CLandCell` restriction (`LandblockInfo.RestrictionTables`, a separate per-landblock packed hash table) remains entirely unported — unaffected by this fix, since the gate only reads the indoor/EnvCell `CellPhysics.RestrictionObj` field. `HouseData (0x0225)`/`HouseStatus (0x0226)` and the guest-management opcode family (`House_AddPermanentGuest`, `House_UpdateHAR`, etc.) remain unparsed but are NOT consulted by this entry gate (they carry rent/ownership-transfer UI data, not the owner-iid/guest-list pair `CanMoveInto` needs) — noted for future house-UI work, not a residual of this row. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`ObjectInfo.CheckEntryRestrictions`); `src/AcDream.Core/Physics/PhysicsEngine.cs` (`Objects`); `src/AcDream.Core/Items/{ClientObject,ClientObjectTable,HouseRestrictions}.cs`; `src/AcDream.Core.Net/{Messages/CreateObject.cs,Messages/GameEvents.cs,GameEventWiring.cs}`; `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs` (production wiring) | A reordered `House_UpdateRestrictions` pair could transiently apply the older snapshot; self-corrects on the next update or CreateObject. An outdoor restricted cell (if that content ever exists) is not gated at all. | `ACCWeenieObject::CanMoveInto` 0x0058da40 (pc:407982-408056); `RestrictionDB::IsAllowedIn` 0x005ae8f0 (pc:444493-444516); `references/Chorizite.ACProtocol/Chorizite.ACProtocol/Types/RestrictionDB.generated.cs`; `references/ACE/Source/ACE.Server/Network/GameEvent/Events/GameEventHouseUpdateRestrictions.cs` |
+| AP-71 | **`CEnvCell::find_env_collisions` omits the `CObjCell::check_entry_restrictions` gate** — retail's `CEnvCell::find_env_collisions` (pc:309576) calls `CObjCell::check_entry_restrictions` (pc:309576) FIRST and returns `COLLIDED` when an access-locked cell's `restriction_obj` entity rejects the mover (`CanMoveInto` fails AND `CanBypassMoveRestrictions` is false). acdream's `FindEnvCollisions` (`src/AcDream.Core/Physics/TransitionTypes.cs:2088`) goes straight to BSP collision. | `src/AcDream.Core/Physics/TransitionTypes.cs:2088` | **No access-restriction cell data exists in acdream.** `CellPhysics` (`src/AcDream.Core/Physics/PhysicsDataCache.cs:540`) has no `restriction_obj` field; `DatReaderWriter` does not model per-cell access locks; no weenie-object-table exists on the client for the gate's `CanMoveInto` / `CanBypassMoveRestrictions` dispatch. The gap is **inert** in all dev content (ACE starter area has no access-locked env cells). | If access-locked dungeon cells are ever modeled (dat + wire), the player will walk through the restriction barrier without being blocked — wrong PK/housing gating. | `CObjCell::check_entry_restrictions` pc:309576; `CEnvCell::find_env_collisions` pc:309573–309597 |
| AP-72 | **Cursor art falls back to OS standard cursors when dat resolution fails** — retail always renders MediaDescCursor / EnumIDMap-resolved dat cursor art; acdream's `RetailCursorManager.Apply` falls back to Silk `StandardCursor` (IBeam/crosshair/not-allowed/…) when the EnumIDMap chain or RenderSurface decode fails, and `RetailCursorResolver`/`RetailCursorManager` permanently negative-cache the failed enum/surface id for the session. | `src/AcDream.App/Rendering/RetailCursorManager.cs:47` (`ApplyStandard`), `RetailCursorResolver.cs:47` (negative cache) | Fallback triggers only when the dat lacks the asset — nominal EoR dats always resolve the 0x27/0x28/0x29 chain; an OS cursor keeps the UI usable rather than showing nothing. | A dat-read or decode regression silently shows OS-native cursors instead of surfacing an error — masked failure class; check the `[D.2b]` cursor log lines before suspecting art. | `ClientUISystem::UpdateCursorState` 0x00564630 |
| AP-74 | **UseDone WeenieError text comes from a hardcoded subset map, not the portal String tables** — retail resolves the 0x01C7 UseDone error code through the client String tables into the canonical line ("You are not trained in healing!"); acdream's `WeenieErrorText.For` hardcodes the handful of codes the current use/heal flows produce (0x001D/0x04EB/0x04FC/0x04FE, texts phrased after the ACE enum names) with a generic code-carrying fallback. | `src/AcDream.Core.Net/Messages/WeenieErrorText.cs` | Every refusal is now visible; only unmapped wording deviates, and those lines retain the raw code. Retire by porting the String-table lookup (#202). | An unmapped WeenieError shows a generic line instead of retail's exact sentence | retail String-table error lookup; ACE `WeenieError.cs` values |
| AP-73 | **Character raises mutate optimistically, contrary to retail's server-authoritative flow** — after sending RaiseAttribute/RaiseVital/RaiseSkill/TrainSkill, `CharacterSheetProvider.ApplyLocalRaise` immediately bumps ranks and debits XP/credits. Named retail permits one request in flight, ghosts the clicked button, and waits for an authoritative quality-change element message before changing displayed state (**#199**). | `src/AcDream.App/UI/Layout/CharacterSheetProvider.cs` | ACE usually accepts client-affordable raises, so its later property echoes conceal the incorrect prediction; Wave 8 removes local mutation and owns one awaiting request | A rejected/reordered raise can display invented state until a later full refresh, and repeated clicks can create multiple speculative spends | `gmAttributeUI`/`gmSkillUI` raise and quality-change paths, pinned in `docs/research/2026-07-10-retail-panel-behavior-pseudocode.md` |
@@ -326,16 +188,16 @@ AP-94..AP-112 for the confirmed retail-UI completion gaps.
| AP-75 | **NARROWED 2026-07-19 — adapter-boundary `adjust_motion` only.** `SetCycle` remaps TurnLeft/SideStepLeft/WalkBackward to their mirror command with negated speed before dispatch. Retail performs that normalization in `CMotionInterp`; GameWindow's local-player adapter can still pass raw ids directly | `src/AcDream.Core/Physics/AnimationSequencer.cs` (`SetCycle` head remap) | Preserves raw local callers until every caller enters through `MotionInterpreter`; literal DAT velocity and omega now flow through CSequence's complete Frame | A future caller that already normalizes a raw left/back command but still passes the original id can be adjusted twice | `CMotionInterp::adjust_motion` @305343; retire with the remaining local caller unification |
| AP-77 | **NARROWED 2026-07-19 — animation-less/headless movement fallback only.** When `MotionInterpreter.DefaultSink` or the local PartArray callback is absent, acdream writes grounded command-derived body velocity and applies the DAT-pinned Humanoid `TurnRight` rate (1.5 radians/second) directly to the body Frame. Production animated players/remotes bind `MotionTableDispatchSink` plus CSequence and instead consume the complete DAT-authored root Frame; that path preserves airborne orientation while suppressing only origin exactly like retail | `src/AcDream.Core/Physics/MotionInterpreter.cs` (`ApplyCurrentMovementInterpreted`); `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs` (no-PartArray object-quantum fallback) | Keeps isolated/headless physics tests and a deliberately animation-less entity controllable without fabricating a PartArray | A future production entity missing its animation binding uses Humanoid-only yaw/velocity, can foot-slide, and can rotate through an airborne quantum differently from a real creature's DAT Frame | `CMotionInterp::apply_interpreted_movement` 0x00528600; `CPhysicsObj::UpdatePositionInternal` 0x00512C30; retire when animation-less production objects have an explicit motion owner |
| AP-80 | **PlanFromVelocity survives for velocity-only NPC cycles** (M16): UpdatePosition-derived speed picks Ready/Walk/Run cycles for server-controlled creatures whose UMs never arrive (scripted-path NPCs); retail derives every cycle from motion messages through the motion tables. The adaptation is now structurally limited to replacing Ready/Walk/Run-family states, so authoritative actions/substates (especially Dead) always win. | `src/AcDream.Core/Physics/ServerControlledLocomotion.cs` (`PlanFromVelocity`, `CanApplyVelocityCycle`); consumer `GameWindow.ApplyServerControlledVelocityCycle` | Some ACE entities move by position updates alone — without this, they slide in T-pose; constants (StopSpeed 0.2, RunThreshold 1.25) tuned against live ACE traffic | Cycle-pick thresholds are acdream inventions — a creature intended to walk fast may show run legs near the threshold | retire in R6 (root motion + full per-tick order) |
-| AP-81 | **NARROWED 2026-08-04 (Bug B). The remote VectorUpdate handler still pre-clears the two ground transients and seeds the client Airborne flag one frame ahead of the sweep.** The GRAVITY half of this row is RETIRED: the handler no longer writes `Body.State |= Gravity`, and neither landing block clears it, so GRAVITY_PS is wire-owned for the object's whole life exactly as retail has it (`CPhysicsObj` constructor state `0x400C08` @0x00512508; `set_state` @0x00514DD0 post-processes only lighting/nodraw/hidden and never masks GRAVITY). The per-tick force this row's sibling sites used to apply is also gone — see the Bug B entry in `docs/ISSUES.md` #32. What remains is the handler's `TransientState &= ~(Contact | OnWalkable)` plus `rm.Airborne = true` on a `Velocity.Z > 0.5f` vector. Retail reaches the identical state one frame later: `check_contact` (0x0050F5B0) fails on the ascending velocity, the transition runs contact-free, `SetPositionInternal` clears CONTACT_TS and `set_on_walkable(0)` fires LeaveGround. The pre-clear is deliberately KEPT because it is what makes the per-tick `set_on_walkable` edge observe `previousOnWalkable == false` and therefore NOT fire a second LeaveGround for the same departure, and because `CMotionInterp::LeaveGround` (0x00528B00) writes `set_local_velocity(GetLeaveGroundVelocity(), autonomous)` — relocating it into the tick would overwrite the authoritative launch vector mid-arc | `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` (`ApplyOrdinaryVector`, the `Velocity.Z > 0.5f` branch) | One frame of head start on a state the sweep derives anyway. Both landing blocks now derive Contact/OnWalkable from the committed contact plane and neither touches the Gravity state bit, so the flag dance no longer decides whether gravity is delivered | A VectorUpdate whose vertical component clears the 0.5 m/s threshold on a body the sweep would still find in contact marks that body airborne one frame early. Retire when the remote departure edge is owned solely by the per-tick `set_on_walkable` commit and LeaveGround's velocity write is ordered after the authoritative vector | `SmartBox::DoVectorUpdate @ 0x004521C0`; `CPhysicsObj::check_contact @ 0x0050F5B0`; `CPhysicsObj::calc_acceleration @ 0x00510950`; `CPhysicsObj::SetPositionInternal @ 0x00515330`; `set_on_walkable @ 0x00511310`; `CMotionInterp::LeaveGround @ 0x00528B00` |
+| AP-81 | **Remote-DR VectorUpdate adds airborne/contact state beyond retail and toggles gravity via the Gravity STATE bit**: the handler writes velocity/omega, then may set Airborne, set `Body.State \|= Gravity`, clear contact, and call `LeaveGround`; both landing blocks clear Gravity after `HitGround()`. Retail `DoVectorUpdate` only writes velocity and omega, keeps GRAVITY set for the object's whole life, and gates gravity ACCELERATION on the Contact transient (`calc_acceleration`) (pre-existing K-fix9/K-fix15 mechanism, row added during #161 — which also fixed the ordering so `Motion.HitGround()`'s verbatim `state&0x400` gate runs BEFORE the clear). | `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` (VectorUpdate jump handler); `src/AcDream.App/Physics/RemotePhysicsUpdater.cs` (landing blocks) | The extra branch makes an inbound nonzero vertical velocity start the current remote airborne integration even without the complete retail contact-gated acceleration chain; the flag dance delivers gravity only while airborne and the #161 ordering fix keeps the retail HitGround contract satisfied. Slice 4 isolates it rather than changing accepted remote motion during extraction. | A VectorUpdate sent while contact state should remain authoritative can make the remote leave ground earlier than retail; any new call into `Motion.HitGround`/`LeaveGround` placed after the clear silently no-ops on the gravity gate; grounded remotes carry a non-retail state word. | `SmartBox::DoVectorUpdate @ 0x004521C0`; `CPhysicsObj::calc_acceleration`; `set_on_walkable @ 0x00511310`; retire when the complete contact-gated acceleration path owns remote motion. |
| AP-82 | **StickyManager deep-overlap back-off sign pin**: when the stick-gap overlap exceeds one tick's step (`speed×quantum < \|dist\|`, `dist < 0`), acdream applies `delta = −(speed×quantum)` (rate-limited back-off); ACE's literal port keeps `+delta` there — a runaway that steers INTO the target with equilibrium at centers-coincident. The BN mush (0x00555554-0x00555597) is unreadable on exactly this compare; the pin is refuted-by-evidence against ACE-literal: #171 gate-3 probe showed 1661 deep-overlap ticks all steering inward (monsters converged to centerDist≈0 — "monster inside the player") while retail side-by-side on the same ACE shows separation. ACE servers essentially never reach the branch (quantum ≥1/30 → threshold ~1 m; render-rate quanta → ~0.13 m) | `src/AcDream.Core/Physics/Motion/StickyManager.cs` (`AdjustOffset` delta clamp; conformance `StickyManagerTests.AdjustOffset_DeepOverlap_BacksOff_RateLimited`) | Minimal interpretation consistent with the mush structure AND observed retail; identical to ACE-literal in every shallow/outside case | If retail's true deep-overlap behavior differs (e.g. no movement at all), our back-off rate diverges in that rare state; verify via cdb `StickyManager::adjust_offset` trace with a forced overlap when convenient | `StickyManager::adjust_offset` 0x00555430 (x87 mush); ACE StickyManager.cs:117-121 (the literal branch this pin overrides) |
| AP-85 | **Point-light pool = single 128-cap player-nearest list, optionally FILTERED by LAST FRAME's rendered visible-cell set, vs retail's dual pools (7 dynamic + 40 static, degrade-scaled) collected from a DBObj-load/flush-bounded resident registry** (A7.L1, 2026-07-09 — third revision, Town Network starvation fix #79/#93/#176/#177): retail's `CEnvCell::visible_cell_table` (`add_visible_cell` 0x0052de40) is populated ON DEMAND as cells are approached/seen (`DBObj::Get`-loads) and pruned by `flush_cells` — so a real dungeon's per-frame candidate set stays small (naturally proximity-bounded) even though the collection walk itself (`add_dynamic_lights` 0x0052d410) is "the whole resident table, not a re-flood." acdream's `_all` list instead registers at LANDBLOCK-granularity load/unload (a whole single-landblock dungeon streams as ONE unit), so for the Town Network (463 registered fixtures, one landblock) `_all` is effectively "everything ever loaded in this dungeon," not a proximity-bounded set — wide enough that the player-nearest-128 cap alone let a straight-line-closer-but-wall-disconnected corridor's fixtures out-rank the player's own room, starving it. Fix: `BuildPointLightSnapshot(playerWorldPos, visibleCells)` takes an optional candidacy FILTER — a light joins the pool iff `CellId==0` (cell-less, always in) or `visibleCells.Contains(CellId)` — narrowing candidates to the frame's actual visible cells BEFORE the existing dynamics-first player-nearest cap runs; `GameWindow` feeds LAST FRAME's already-rendered `RetailPViewFrameResult.DrawableCells` back to `WorldRenderFrameBuilder` (one frame / ~16 ms latency, chosen specifically to avoid re-threading a mid-`DrawInside` callback — the exact mechanism, `c500912b`, that caused the #176 seam-floor flicker regression when it re-flooded an independent CAMERA-seeded set mid-frame). The distance-sort anchor stays the PLAYER (unchanged from the prior revision) — only candidacy narrows. Remaining deviation: this is a RENDER-visibility approximation of retail's true on-demand-load/flush RESIDENCY bound, with one frame of latency, not a port of the DBObj-load/flush mechanism itself; and the pool is still ONE 128-cap list vs retail's separate 7-dynamic/40-static degrade-scaled pools | `src/AcDream.Core/Lighting/LightManager.cs` (`BuildPointLightSnapshot`, `MaxGlobalLights`); `src/AcDream.App/Rendering/WorldRenderFrameBuilder.cs` (`RuntimeWorldFrameEnvironmentPreparation.ObserveDrawableCells`, `ClearDrawableCells`, `Prepare`); pins `PointSnapshot_HubScaleLightCount_ObjectSelectionIsCameraInvariant`, `PointSnapshot_OverCap_DynamicsNeverEvictedByNearerStatics`, `PointSnapshot_ResidentCollection_CellTagDoesNotFilter`, `BuildPointLightSnapshot_VisibleCellScoping_RoomLightsSurviveOverEuclideanCloserInvisibleCell`, `BuildPointLightSnapshot_VisibleCellScoping_CellLessLightAlwaysIncluded` | The render already computes a visible-cell set every frame for drawing (single source of truth, no duplicate flood) — reusing it as a candidacy filter approximates retail's proximity-bounded residency without porting DBObj on-demand load/flush; one-frame latency is imperceptible at normal camera speeds and structurally differs from the reverted mechanism (no independent re-flood mid-frame) | On a portal crossing, the FIRST indoor frame after re-entry (or after any outdoor-only frame) is unscoped (fail-open) — one frame may show slightly wider pool composition than steady-state; a room with >7 resident dynamics still shows them all (retail trims to 7 player-nearest) — slightly purpler wedge than retail; adopt the dual pools + degrade caps + true DBObj-bounded residency in later A7-arc work | `insert_light` 0x0054d1b0 (player-sorted, capped); `add_visible_cell` 0x0052de40 (on-demand-load resident registry + flush); `add_dynamic_lights` 0x0052d410 (whole-table walk); caller 0x00452d30; `calc_point_light` 0x0059c8b0 (static 1/d³ curve — A7 fix #2) |
| AP-84 | **BSP shadow-shape part poses = motion-table default-state frame snapshot at registration, not retail's live CPhysicsPart pose** (#175): server entities with a wire MotionTableId register their BSP part shapes at the default style's first-cycle LowFrame pose through `LiveEntityDefaultPoseResolver`; retail collision reads each part's CURRENT pose every test. Equivalent for the door lifecycle (closed = default pose; open = ETHEREAL bypasses collision entirely, #150) and for idle statics | `src/AcDream.App/Physics/LiveEntityDefaultPoseResolver.cs`; `src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs`; `src/AcDream.Core/Physics/ShadowShapeBuilder.cs` (`partPoseOverride`) | Registration is one-shot in acdream (retail re-poses parts per frame); the default-state pose is the correct idle pose and the only non-ethereal pose doors ever collide in | An entity whose server-driven motion state materially MOVES a BSP-bearing part while NON-ethereal would collide at the stale default pose (no known case — doors are the dominant BSP-part weenies); revisit if animated non-ethereal BSP movers appear | `CPhysicsPart` live pose (see #150 notes); motion-table default state = CPartArray init; ShadowShapeBuilder placement-frame fallback for table-less entities |
-| AP-83 | **CONTAINED, not dormant (Campaign S S6, 2026-08-07) — the row's 'no current mover sets PerfectClip' premise was FALSE.** The camera (`PhysicsCameraCollisionProbe.SweepEye`, the sole production PerfectClip setter) reaches this tail LIVE: neither `CollisionExemption.ShouldSkip` (creature-only viewer exemption) nor `FindObjCollisionsInCell` (unconditional shadow-list walk) cuts the chain for a non-creature Cyl-shaped shadow entry — a real population (static scenery with an authored primitive and no physics BSP). The tail head now records every reach (`PhysicsDiagnostics.RecordCylPerfectClipTailReach`): viewer movers count camera-live silently; any NON-viewer mover reaching it logs loudly one-shot, so a future flag change cannot exercise this ACE-derived math unreviewed. Four containment tests drive the camera's exact call shape both ways, sabotage-verified on the creature-exemption axis the proof depends on. **Severity narrowed to camera-feel only**: the probe never commits a PhysicsBody, so a wrong TOI can only mispull the spring-arm camera. The math itself remains ACE-derived and the row stays ACTIVE for that reason alone. Original text: **CylCollideWithPoint PerfectClip TOI sub-branches decoded via ACE, not the binary**: the CCylSphere family port (2026-07-05, retires AP-6) reads `collide_with_point`'s PerfectClip time-of-impact math (0x0053adb6+) from ACE `CylSphere.CollideWithPoint` because the BN x87 mush is unreadable there; two ACE-verbatim quirks ported as-is (`movement.Z + radius` in the not-definite ascending case; `GlobalCurrCenter[0]` used even for head-sphere hits — the latter matches the raw decomp read). No current mover sets PerfectClip: players never do, and shipped ordinary missiles add PathClipped only. The non-PerfectClip path — SetCollisionNormal + Collided — is decomp-verified. Separately, the grounded head-sphere slide passes the HEAD disp per retail 0x0053b843 where ACE passes the foot disp — retail wins (ACE bug, not copied) | `src/AcDream.Core/Physics/TransitionTypes.cs` (`CylCollideWithPoint`; pseudocode doc `docs/research/2026-07-05-ccylsphere-collision-family-pseudocode.md` §7-8) | The load-bearing paths (non-PerfectClip Collided; the family's step-up/step-down/land) are decomp-verified; the TOI tail remains dormant unless a future mover explicitly enables PerfectClip | **Risk restated at S6:** the camera ALREADY reaches this tail — an ACE/retail TOI delta here is a live, currently-unverified camera-feel risk (a prop the camera pulls in slightly off), not a dormant one. If a future mover explicitly enables PerfectClip, the two ACE quirks may diverge from retail — clip-through or wrong deflection on cylinder targets; re-decompile 0x0053acb0 in Ghidra before shipping that mover | `CCylSphere::collide_with_point` 0x0053acb0 (pc:324173, x87 mush from 0x0053adb6); ACE CylSphere.cs `CollideWithPoint` |
-| AP-91 | **CONTAINED, not dormant (Campaign S S6, 2026-08-07) — the row's 'no current mover sets PerfectClip' premise was FALSE.** The camera (`PhysicsCameraCollisionProbe.SweepEye`, the sole production PerfectClip setter) reaches this tail LIVE: neither `CollisionExemption.ShouldSkip` (creature-only viewer exemption) nor `FindObjCollisionsInCell` (unconditional shadow-list walk) cuts the chain for a non-creature Sphere-shaped shadow entry — a real population (static scenery with an authored primitive and no physics BSP). The tail head now records every reach (`PhysicsDiagnostics.RecordSpherePerfectClipTailReach`): viewer movers count camera-live silently; any NON-viewer mover reaching it logs loudly one-shot, so a future flag change cannot exercise this ACE-derived math unreviewed. Four containment tests drive the camera's exact call shape both ways, sabotage-verified on the creature-exemption axis the proof depends on. **Severity narrowed to camera-feel only**: the probe never commits a PhysicsBody, so a wrong TOI can only mispull the spring-arm camera. The math itself remains ACE-derived and the row stays ACTIVE for that reason alone. Original text: **CSphere `collide_with_point` PerfectClip TOI decoded via ACE, not the binary**: the CSphere family port reads the unreadable x87 tail from ACE `Sphere.CollideWithPoint`/`FindTimeOfCollision`; no current mover sets PerfectClip, and shipped ordinary missiles add PathClipped only | `src/AcDream.Core/Physics/TransitionTypes.cs` (`SphereCollideWithPoint`; `FindSphereTimeOfCollision`) | Load-bearing non-PerfectClip behavior is named-decomp verified; the adapted branch remains dormant unless a future mover explicitly enables PerfectClip | **Risk restated at S6:** the camera ALREADY reaches this tail — an ACE/retail TOI delta here is a live, currently-unverified camera-feel risk (a prop the camera pulls in slightly off), not a dormant one. If a future mover explicitly enables PerfectClip, an ACE/retail TOI delta could cause clip-through or wrong sphere-target deflection | `CSphere::collide_with_point @ 0x00537230`; ACE `Sphere.CollideWithPoint` |
+| AP-83 | **CylCollideWithPoint PerfectClip TOI sub-branches decoded via ACE, not the binary**: the CCylSphere family port (2026-07-05, retires AP-6) reads `collide_with_point`'s PerfectClip time-of-impact math (0x0053adb6+) from ACE `CylSphere.CollideWithPoint` because the BN x87 mush is unreadable there; two ACE-verbatim quirks ported as-is (`movement.Z + radius` in the not-definite ascending case; `GlobalCurrCenter[0]` used even for head-sphere hits — the latter matches the raw decomp read). No current mover sets PerfectClip: players never do, and shipped ordinary missiles add PathClipped only. The non-PerfectClip path — SetCollisionNormal + Collided — is decomp-verified. Separately, the grounded head-sphere slide passes the HEAD disp per retail 0x0053b843 where ACE passes the foot disp — retail wins (ACE bug, not copied) | `src/AcDream.Core/Physics/TransitionTypes.cs` (`CylCollideWithPoint`; pseudocode doc `docs/research/2026-07-05-ccylsphere-collision-family-pseudocode.md` §7-8) | The load-bearing paths (non-PerfectClip Collided; the family's step-up/step-down/land) are decomp-verified; the TOI tail remains dormant unless a future mover explicitly enables PerfectClip | If a future mover explicitly enables PerfectClip, the two ACE quirks may diverge from retail — clip-through or wrong deflection on cylinder targets; re-decompile 0x0053acb0 in Ghidra before shipping that mover | `CCylSphere::collide_with_point` 0x0053acb0 (pc:324173, x87 mush from 0x0053adb6); ACE CylSphere.cs `CollideWithPoint` |
+| AP-91 | **CSphere `collide_with_point` PerfectClip TOI decoded via ACE, not the binary**: the CSphere family port reads the unreadable x87 tail from ACE `Sphere.CollideWithPoint`/`FindTimeOfCollision`; no current mover sets PerfectClip, and shipped ordinary missiles add PathClipped only | `src/AcDream.Core/Physics/TransitionTypes.cs` (`SphereCollideWithPoint`; `FindSphereTimeOfCollision`) | Load-bearing non-PerfectClip behavior is named-decomp verified; the adapted branch remains dormant unless a future mover explicitly enables PerfectClip | If a future mover explicitly enables PerfectClip, an ACE/retail TOI delta could cause clip-through or wrong sphere-target deflection | `CSphere::collide_with_point @ 0x00537230`; ACE `Sphere.CollideWithPoint` |
| AP-86 | **Remote SHADOW-follows-resolved via a pose/cell-gated per-tick re-flood** (remote-creature de-overlap #184): every remote's collision shadow is rewritten at the resolved body position by the DR tick or authoritative UP tail, so collision remains where the creature renders and de-overlap persists. The effect matches retail, but acdream runs the full multipart cell flood whenever the body moved more than 1 cm, changed complete orientation, or crossed a cell instead of translating the existing shadow in place and relinking only when its crossed-cell set changes. Cross-cell motion now commits body/root/full-cell before the canonical rebucket callback; local and authoritative remote publishers prove exact-record spatial residency after that callback; pending projection suspends the retained shadow and cannot re-add it, including initial-pending and callback GUID-reuse cases. | `src/AcDream.App/Physics/RemotePhysicsUpdater.cs`; `src/AcDream.App/Physics/LiveEntityShadowPublisher.cs`; `src/AcDream.App/Rendering/GameWindow.cs` (local projection); `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` (authoritative UP tails); `src/AcDream.App/World/LiveEntityPresentationController.cs` (ordinary projection residency); `src/AcDream.Core/Physics/ShadowObjectRegistry.cs` (`UpdatePosition`) | The pose/cell gate is exact at de-overlap equilibrium, preserves offset/multipart shapes during in-place turns, and the resulting registered cell set matches retail; loaded/pending residency is symmetric and incarnation-scoped | A dense moving or turning crowd can still perform a full registration flood per creature per tick and create CPU/Gen0 pressure; a still crowd is gated out. Retire with an in-place move plus cell-relink-on-change implementation | `CPhysicsObj::SetPositionInternal(CTransition const*)` 0x00515330 → `change_cell`, then `remove_shadows_from_cells`/`add_shadows_to_cells` after the resolved frame/contact commit |
-| AP-87 | **Remote MoveOrTeleport placement adds a 4 m body-to-target snap + a no-Sequencer snap** beyond retail's <96 m-unconditional interpolate (remote-creature de-overlap #184, 2026-07-07; unified across player-remote and NPC-remote by C4 route 4a, 2026-08-03 — retail's disassembly makes no `this==player` distinction here either, so the two formerly-duplicated per-kind copies are now the SAME decision): retail `CPhysicsObj::MoveOrTeleport` (0x00516330) hard-places only on the teleport-timestamp / cell==0 branch or the ≥96 m far-snap, and InterpolateTo-queues every near correction; acdream ADDS two snap conditions — `|Body.Position − worldPos| > 4 m` (a large correction / an unplaced first-UP body) and `!willBeDrTicked` (no Sequencer to consume the queue). Without them an unplaced body (origin / spawn seed) would enqueue, the InterpolationManager's 100 m far-blip would fire, and the per-tick sweep would run over a huge distance in a cell not containing the body → garbage resolved pos → the reverted attempt's INVISIBLE monster. A third condition `firstUp` (`LastServerPosTime <= 0`) is RETAINED, not dropped, in the unified seam: it is a belt hint only — the 4 m guard is the load-bearing backstop — and it is structurally false for player remotes because the player-remote caller stamps `LastServerPosTime` in its diagnostic roll-forward block before it routes, so unifying the two copies on all three conditions leaves the player branch's own behaviour bit-identical | `src/AcDream.Runtime/Physics/RuntimeRemoteSteadyStatePosition.cs` (`ApplyInterpolate`, `BodySnapThreshold`); called from `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` for both the player-remote and NPC-remote near-Interpolate branches. C4 route 4b-2 (2026-08-04) deleted the App's two duplicated `MaxPhysicsDistance = 96f` / `BodySnapThreshold = 4f` constant pairs and both `_playerController?.Position ?? Vector3.Zero` fabrications: the far branch is now a canonical Runtime placement, and the cell-less/rejected/unclassified leftovers call this same seam (AP-137). The 4 m constant exists in exactly one place | acdream's catch-up+sweep needs the body already near the target (a valid nearby cell) for the per-frame sweep to be small; the 4 m snap keeps it there, and retail's own large-correction path (the 100 m far-blip) is upstream of it. The de-overlap sweep also uses the fixed human sphere (R 0.48 / H 1.835) for the mover regardless of creature size, so large packed creatures de-overlap at human radii — inherits **TS-46** | A grounded remote that legitimately lags >4 m from its server pos snaps (a small pop) where retail would slide; a no-Sequencer server-moved entity hard-snaps every UP (no DR smoothing). Both are rare. **2026-08-04 observed live, then FIXED AT THE SOURCE the same day**: the route 4a two-client test caught exactly this risk — a player remote jumping onto a house roof planted there and sat until it had drifted >4 m from the server's slid-down position, at which point this backstop fired (`producer=ap87-4m` in the capture) and blipped it instead of sliding. The CAUSE was the remote tick forging `Contact | OnWalkable` and deciding its landing edge from the contact-derived `ResolveResult.IsOnGround`; that is fixed (Bug B, `docs/ISSUES.md` #32) and the thresholds and conditions of this row are deliberately UNCHANGED. The snap remains the #184 invisible-but-solid backstop; it should simply fire far less often now that the body genuinely tracks the server, and less often again since AP-140's same-day retirement pointed both routing gates at CONTACT: a steep-face slide now interpolates toward the server pose every packet instead of being classified free-flight and hard-snapped, so `bodyToTarget` converges rather than being left to drift past 4 m. This row's own thresholds and conditions are unchanged by either fix | `CPhysicsObj::MoveOrTeleport` 0x00516330 (near-interpolate <96 m; teleport/cell-0 snap; far-snap ≥96 m); `InterpolationManager` 100 m `AutonomyBlipDistance` (the retail large-correction path) |
+| AP-87 | **NPC MoveOrTeleport placement adds a 4 m body-to-target snap + a no-Sequencer snap** beyond retail's <96 m-unconditional interpolate (remote-creature de-overlap #184, 2026-07-07): retail `CPhysicsObj::MoveOrTeleport` (0x00516330) hard-places only on the teleport-timestamp / cell==0 branch or the ≥96 m far-snap, and InterpolateTo-queues every near correction; acdream ADDS two snap conditions — `|Body.Position − worldPos| > 4 m` (a large correction / an unplaced first-UP body) and `!willBeDrTicked` (no Sequencer to consume the queue). Without them an unplaced body (origin / spawn seed) would enqueue, the InterpolationManager's 100 m far-blip would fire, and the per-tick sweep would run over a huge distance in a cell not containing the body → garbage resolved pos → the reverted attempt's INVISIBLE monster. `firstUp` (`LastServerPosTime<=0`) is a belt hint only — the 4 m guard is the load-bearing backstop | `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` (NPC MoveOrTeleport routing, `BodySnapThresholdNpc`/`willBeDrTickedNpc`) | acdream's catch-up+sweep needs the body already near the target (a valid nearby cell) for the per-frame sweep to be small; the 4 m snap keeps it there, and retail's own large-correction path (the 100 m far-blip) is upstream of it. The de-overlap sweep also uses the fixed human sphere (R 0.48 / H 1.835) for the mover regardless of creature size, so large packed creatures de-overlap at human radii — inherits **TS-46** | A grounded remote that legitimately lags >4 m from its server pos snaps (a small pop) where retail would slide; a no-Sequencer server-moved entity hard-snaps every UP (no DR smoothing). Both are rare | `CPhysicsObj::MoveOrTeleport` 0x00516330 (near-interpolate <96 m; teleport/cell-0 snap; far-snap ≥96 m); `InterpolationManager` 100 m `AutonomyBlipDistance` (the retail large-correction path) |
| AP-89 | **TransparentPartHook fade multiplies the SAMPLED TEXTURE alpha, not a separate material alpha channel** (#188, 2026-07-08 — the fading-wall secret-passage doors, e.g. "Pedestal Weak Spot"): retail's `CPhysicsPart::SetTranslucency` (0x0050e670) → `CMaterial::SetTranslucencySimple` (0x005396f0) REPLACES the D3D9 material's 4 alpha channels wholesale (`Ambient.a = Diffuse.a = Specular.a = Emissive.a = 1 − translucency`) — a per-material alpha that composes with, but is conceptually separate from, the surface's own sampled texture alpha. acdream's `mesh_modern.frag` has no material-alpha concept at all; the port multiplies the runtime fade's opacity multiplier directly against the already-sampled `color.a` (`FragColor = vec4(rgb, color.a * vOpacityMultiplier)`) | `src/AcDream.App/Rendering/Shaders/mesh_modern.frag` (final `FragColor` line); `src/AcDream.App/Rendering/Wb/WbDrawDispatcher.cs` (`ClassifyBatches` `opacityMultiplier` param, `InstanceGroup.Opacities`); `src/AcDream.Core/Rendering/TranslucencyFadeManager.cs` | Observably identical to retail for any surface whose base texture alpha is 1.0 everywhere — the Pedestal Weak Spot's stone-wall texture, and the overwhelming majority of AC surfaces, since `color.a * 1.0 == color.a` and the fade multiplier alone then drives the ramp exactly as `1 − translucency` would | A hypothetical object that is BOTH already alpha-keyed/blended from its own texture (stained glass, a flame surface) AND plays a TransparentPartHook fade simultaneously would compound the two alphas (texture-alpha × fade-multiplier) instead of the fade cleanly replacing/overriding the surface's own alpha as retail's material-replace does — such an object would fade darker / more-transparent than retail, not just at retail's rate | `CPhysicsPart::SetTranslucency` 0x0050e670; `CMaterial::SetTranslucencySimple` 0x005396f0 (`alpha = 1 − translucency`, applied to all 4 D3D9 material alpha channels) |
-| AP-90 | **Radar fellowship/allegiance relationship state is modeled but not yet delivered at runtime.** `RetailRadar.GetBlipShape` and `RadarBlipColors.For` implement retail's leader/member/allegiance precedence, and `RadarSnapshotProvider` exposes a `relationshipFor(guid)` seam, but acdream does not yet maintain live fellowship/allegiance membership at a Runtime owner. **Edited at the FA1 review fix-round (2026-08-12) — the deviation is unchanged, but its evidence citation was stale:** Campaign FA slice FA1 deleted the `Core/Allegiance/AllegianceTree.cs` this row used to name (`4281750b`) and replaced it with the flat `AllegianceMemberRecord` list + `ClientCommandResponses.AllegianceProfileLookups` (`GetData`/`GetPatron`/`FindVassals`) plus the fellowship S→C parsers in `GameEvents.cs` — none of it wired to a live state owner yet; that is FA2's `RuntimeFellowshipState`/`RuntimeAllegianceState` scope. PK/PKLite relationship shapes do work from PWD flags. | `src/AcDream.App/UI/Layout/RadarSnapshotProvider.cs`; `src/AcDream.Core/Ui/RetailRadar.cs`; `src/AcDream.Core/Ui/RadarBlipColors.cs`; `src/AcDream.Core.Net/Messages/ClientCommandResponses.cs` (`AllegianceProfileLookups`); `src/AcDream.Core.Net/Messages/GameEvents.cs` (fellowship parsers) | Preserve the exact model/seam now and avoid inventing membership from names or chat; connect it when the social game-event state is ported (FA2) | Fellowship members render their ordinary player color/shape instead of bright-green leader/member triangles; allegiance members render an ordinary plus instead of a hollow box | `gmRadarUI::GetBlipColor` 0x004D76F0; `gmRadarUI::GetBlipShape` 0x004D7B60 |
+| AP-90 | **Radar fellowship/allegiance relationship state is modeled but not yet delivered at runtime.** `RetailRadar.GetBlipShape` and `RadarBlipColors.For` implement retail's leader/member/allegiance precedence, and `RadarSnapshotProvider` exposes a `relationshipFor(guid)` seam, but acdream does not yet maintain live fellowship membership and its `AllegianceTree` is not wired into GameWindow. PK/PKLite relationship shapes do work from PWD flags. | `src/AcDream.App/UI/Layout/RadarSnapshotProvider.cs`; `src/AcDream.Core/Ui/RetailRadar.cs`; `src/AcDream.Core/Ui/RadarBlipColors.cs` | Preserve the exact model/seam now and avoid inventing membership from names or chat; connect it when the social game-event state is ported | Fellowship members render their ordinary player color/shape instead of bright-green leader/member triangles; allegiance members render an ordinary plus instead of a hollow box | `gmRadarUI::GetBlipColor` 0x004D76F0; `gmRadarUI::GetBlipShape` 0x004D7B60 |
| AP-92 | Private creature viewports (paperdoll and examination) render through isolated `IGpuRenderTarget`s and blit into `UiViewport`; retail renders each `CreatureMode` directly and advances a cloned `CPhysicsObj`, while examination currently refreshes its clone from the live target's animated mesh pose. **V6l narrowing (2026-07-28), V11 update (2026-07-29):** the target is backend-neutral and the blit's V origin is not assumed — `IUiViewportRenderer.TextureIsBottomUp` derives it from the backend that made the texture. With GL deleted the only answer in the tree is Vulkan's top-left origin, but the seam is kept rather than folded flat, because it costs one property and it is what let the origin question be answered by data instead of by assumption. | `src/AcDream.App/Rendering/PrivateEntityViewportRenderer.cs`; `src/AcDream.App/Rendering/PaperdollFramePresenter.cs`; `src/AcDream.App/Rendering/CreatureAppraisalPresentation.cs`; `src/AcDream.App/UI/UiViewport.cs` | Vulkan render-to-texture is the modern backend equivalent; shared live pose data provides animation without registering a second gameplay entity or duplicating the world sequencer | Alpha, lighting, state isolation, or an assessment-time cloned motion diverging later from the live target can differ from direct retail CreatureMode presentation. The origin half of this risk is closed; a FUTURE backend would have to answer `TextureIsBottomUp` for itself | `CPhysicsObj::makeObject(CPhysicsObj const*) @ 0x005144B0`; `gmPaperDollUI::PostInit @ 0x004A5360`; `BasicCreatureExamineUI::Init @ 0x004AB9C0`; `UIElement_Viewport::SetCamera`; retail `CreatureMode::Render` |
| AP-93 | Paperdoll does not port `UpdateForRace`; all characters use the cdb-confirmed default held pose `0x030003C0` and default presentation | `src/AcDream.App/Rendering/DollEntityBuilder.cs`; `RetailPaperdollPoseApplicator` in `src/AcDream.App/Rendering/PaperdollFramePresenter.cs` | Exact for the tested Horan character; unresolved for other heritage/gender/body combinations | Non-default races can use the wrong pose, heading, camera framing, or presentation asset | `gmPaperDollUI::UpdateForRace @ 0x004A3ED0` |
| AP-94 | Imported Type-12 text defaults to interactive/selectable behavior; display labels can focus/capture/drag, and vitals synthesize duplicate runtime labels instead of binding `0x100000EB/ED/EF` | `src/AcDream.App/UI/UiText.cs`; `src/AcDream.App/UI/Layout/VitalsController.cs` | Historical widget-generalization default; Wave 1 ports explicit Display/Selectable/Editable roles | Invisible/static text steals input and duplicate labels drift from DAT geometry | `UIElement_Text` property handlers; `gmVitalsUI::PostInit @ 0x004BFCE0` |
@@ -350,26 +212,13 @@ AP-94..AP-112 for the confirmed retail-UI completion gaps.
| ~~AP-107~~ | **RETIRED 2026-07-11 (Wave 3.3 / #197)** — typed `OfferPrimaryClick` returns `NotActive`, `ConsumedSuccess`, or `ConsumedRejected`; every retained item surface plus radar/world offers active target mode before local selection/open/use fallback. Rejections are consumed and cannot drift selection. | `src/AcDream.App/UI/ItemInteractionController.cs`; inventory/paperdoll/toolbar/radar/world call sites | — | — | `UIElement_ItemList::HandleTargetedUseLeftClick @ 0x004E24D0` |
| AP-108 | Paperdoll/AutoWield still omit the remaining missile/held restrictions and corrupt-mask branch of full `AutoWieldIsLegal`, dual-wield/off-hand rules, double-click examine/drag from the doll, body-part selection lighting, and retail's synchronous `" - cannot unwield the %s"` failure suffix (the current send seam reports rejection asynchronously). **AutoWear legality retired from this row 2026-07-23:** inventory activation and paperdoll drops now apply the retail clothing-priority/location blocker lookup and exact `"You must remove your %s to wear that"` system notice. **Primary replacement retired 2026-07-14; Aetheria retired 2026-07-13.** | `src/AcDream.App/UI/Layout/PaperdollController.cs`; `src/AcDream.App/UI/AutoWieldController.cs` | Basic equip slots, Aetheria, live doll, AutoWear conflict reporting, and primary weapon/incompatible shield/mismatched ammo blocker sequencing work in peace and war | Remaining illegal/off-hand cases, asynchronous dequip rejection wording, doll examine/drag, and selection lighting still differ functionally | `CPlayerSystem::AutoWieldIsLegal @ 0x0055ED60`; `CPlayerSystem::AutoWearIsLegal @ 0x0055EF40`; `CPlayerSystem::AutoWield @ 0x00560A60`; `gmPaperDollUI @ 0x004A3590..0x004A5F90` |
| AP-109 | Character Titles page is inert and live displayed-title/luminance state is absent | `src/AcDream.App/UI/Layout/CharacterStatController.cs`; `CharacterSheetProvider.cs` | Attributes/skills core output is user-accepted | Titles cannot be selected/displayed and level-200 luminance fields are missing | `gmCharacterTitleUI @ 0x0049A610`; `gmStatManagementUI::UpdateExperience @ 0x004F0A70` |
-| AP-110 | **NARROWED 2026-08-09 (Slice 5.4, vendor browse panel) — "vendor" retired from the absent-panels list; see AP-161 for the precise successor (Buy/Sell transaction UI, Slice 6).** Remaining retained gameplay panels and world HUD are absent: advanced-combat powerbar, residual social/floating chat, quests/map/options/smartbox, trade/salvage/tinkering, mini-game gameplay, Link Status NAK/retransmission packet-loss averaging, and D.6 nameplates/floaters. Examination has its independent authored floaty layout, inscription transaction, retail creature stat/rating/animated-preview presentation, default selection-follow, authored local spell subview with appropriate-formula component state, and the full EoR item-report dispatch: appraisal-only unknowns; exact equipment-set/rating/tinkering/weapon/armor/caster/requirement/XP/healer/rare prose and intentional blank section rows; ordinary/enchantment DAT spell descriptions; live material-decorated appropriate titles plus DAT material and creature names; expiry, decorated material/gem descriptions; and portal/PK restrictions with authored item colors. It still lacks item-object preview, player-dependent effective shield projection, live cooldown-remaining projection, localized augmentation-cost `StringInfo`, exhaustive character detail regions, and exact creature appraisal FontInfo-list selection. | `src/AcDream.App/UI/RetailUiRuntime.cs`; `src/AcDream.App/UI/Layout/AppraisalUiController.cs`; `src/AcDream.App/UI/Layout/ItemAppraisalTextFormatter.cs`; `src/AcDream.App/UI/Layout/RetailAppraisalNameResolver.cs`; `src/AcDream.App/UI/Layout/CreatureAppraisalRows.cs`; `src/AcDream.App/Rendering/CreatureAppraisalPresentation.cs`; `src/AcDream.Core.Net/LinkStatusSnapshot.cs`; D.5/D.6 roadmap | Basic combat, M3 magic/Link/Vitae surfaces, the Slice 5.4 vendor "Items" browse panel (category-filtered stock list, retail's quantity-correct pricing — `ItemHolder::GetObjectSplitSize`'s split-exempt mask, not a flat per-unit price), and the core examination request/presentation/inscription/creature-preview/item-report loop cover the active loops; the residual examination mechanisms require live player/enchantment/localization state or object-preview ownership rather than fabricated content | Item assessments omit only the listed live/localized/preview projections; enchanted/incomplete creature appraisal rows use the normal authored font until the exact FontInfo list is bound; other absent panels remain unavailable; real packet loss is displayed as 0.00% instead of retail's moving average | `BasicCreatureExamineUI::Init @ 0x004AB9C0`; `CreatureExamineUI::SetAppraiseInfo @ 0x004B3FF0`; `gmExaminationUI::RecvNotice_SelectionChanged @ 0x004AB3D0`; `gmExaminationUI::ExamineSpell @ 0x004B6900`; `SpellExamineUI::ExamineSpell @ 0x004B6210`; `AttributeInfoRegion::Update @ 0x004F1D90`; `gmExaminationUI::SetAppraiseInfo @ 0x004ADAE0`; `ACCWeenieObject::GetObjectName @ 0x0058E6E0`; `ItemExamineUI::SetAppraiseInfo @ 0x004B72B0`; `ItemExamineUI::AddItemInfo @ 0x004AC050`; `ItemExamineUI::Appraisal_ShowCapacity @ 0x004B2680`; `ItemExamineUI::Appraisal_ShowSpecialProperties @ 0x004B0140`; `ItemExamineUI::Appraisal_ShowWeaponAndArmorData @ 0x004B10E0`; `ItemExamineUI::Appraisal_ShowMagicInfo @ 0x004B2E10`; `ItemExamineUI::Appraisal_ShowDescription @ 0x004B6990`; `MaterialTypeEnumMapper::MaterialTypeToString @ 0x005CD500`; `ItemExamineUI::SetInscription @ 0x004AE2F0`; `CM_Writing::Event_SetInscription @ 0x006A98B0`; `CLinkStatusAverages::GetAveragePacketLoss @ 0x00546610`; LayoutDesc catalog |
-| AP-161 | **REVIEW CORRECTIONS 2026-08-09 (Opus review of `92ea3977`, findings F1-F13):** thirteen further fixes, mostly bug-fixes-to-already-claimed-behavior rather than new divergences, so no new AP row is filed for most of them; the exceptions are called out below. F1 ports Buy All's four retail pre-send guards (pyreal/alt-currency affordability, container-slot/item-slot capacity) — see AP-162's narrowing. F2 corrects `AddToBuyList` from upsert to retail's actual ACCUMULATE-with-5000-cap semantics and ports `RemoveFromShop`'s shop-row hide/restore as staging consumes limited vendor supply. F3 corrects `VendorSellAcceptability`'s too-valuable branch to the byte-verified bitwise-complement form (`(~(itemTypeMask >> 16)) & 4`), exempting `PromissoryNote` items. F4 wires `BF_RETAINED` end to end, RETIRING AP-164 below. F5 ports `UpdateDragOver`'s auto-switch-to-Selling-on-hover. F6 corrects sell staging to always record the FULL stack (never the live split slider) and ports `SellSingleItem`'s partial-stack refusal plus its literal amount-1 send. F7 corrects the X-close confirmation string's missing trailing question mark. F8 disposes a live confirmation dialog on session Close/Reset. F9 repaints the Buying/Selling strips' own selection highlight on every selection change, not just a staging change. F10 unstages a sell entry that leaves `ClientObjectTable` and a buy entry whose shop row is retired, the latter with retail's exact notice. F11 reorders `RequestUse`'s eligibility check ahead of `BeginApproach` so an ineligible far target no longer speculatively approaches. F13 makes Sell Item act on the global selection unconditionally, matching retail — a prior version of this port required a staged entry first. New approximations this pass introduced are filed as AP-167 (`SellSingleItem`'s non-empty-container refusal branch not ported) and AP-168 (Buy All's container-vs-item slot classification approximates retail's bitfield/capacity test with `ItemType.Container`). **NARROWED 2026-08-09 (Slice 6b/6c, staging+sell arc) — the row's last vendor-specific residual (Buying/Selling tabs render but carry no data binding) CLOSES.** `VendorUiController` now fully wires both tabs: Buying (`Add to List`/`Buy Item`/`Buy All`/`Clear Item`/`Clear List`, backed by `VendorStagingList`) and Selling (drag-to-sell via `IItemListDragHandler`, `VendorSellAcceptability`'s port of `VendorProfile::InqAcceptability`, `Sell Item`/`Sell All`/`Clear Item`/`Clear List`), plus the X-close staging confirmation dialog (`RetailDialogFactory`, the exact retail string recovered from the decompiled binary's data segment at `0x007b5bd8`). Sell (`0x0060`) is wired end to end (`VendorRequests.BuildSell`/`WorldSession.SendSell`/`ItemInteractionController.TrySell`). Three narrow residuals from this pass are filed separately rather than folded in here: `InqAcceptability`'s non-sellable bitfield check is unmodeled (AP-164), the Buying tab's stackable-removal-amount test substitutes `VendorShopItem.DescStackSize` for retail's `_maxStackSize` (AP-165), and the Buying/Selling tabs' own per-row/purse count text plus the cross-panel "pending sell" inventory highlight are not wired (AP-166). The two PRE-EXISTING residuals below (dropdown arrow-cap glyph, alt-currency `m_last_sale` simplification) are UNCHANGED by this pass — see the ORIGINAL text below for their citations. **REVIEW CORRECTIONS 2026-08-09 (Opus review of `97cf8738`, findings F1-F9):** none of these are NEW divergences from retail — they are bug fixes that make this row's own claims actually true, so no new AP row is filed for them. F2 fixed the priced/named quantity freezing at a selection-time seed while the Buy button separately read the LIVE slider — both now share one `ResolveBuyQuantity` computation, so the displayed price always equals what a purchase actually charges (retail: `gmVendorUI::RecvNotice_StackSliderChanged` re-runs the SAME display update on every slider change, `pc:203262-203278`). F6 corrected an unauthored "preserve the prior selection if it survives the filter" rule to retail's actual UNCONDITIONAL reselect-to-first-item on every rebuild this controller reaches (`VendorItemsUI::UpdateItemsList`'s notify=1 path, `pc:201180-201184`, confirmed reached by a fresh open AND a same-vendor refresh via `VendorItemsUI::OpenVendor`'s unconditional `SetSelectedItem(...,1)`, `pc:201022`). F7 ported `BuySingleItem`'s stack-size-1 quantity clamp (`pc:201674-201681`) so a stale slider value left over from a previously-selected, DIFFERENT stackable item cannot leak into a non-stack purchase. F8 is recorded inline below, where it corrects this row's own stale claim about the Add-to-List button. **NARROWED 2026-08-09 (Slice 6.1-6.3, buy arc) — TWO of the four consciously-deferred residuals below CLOSE.** Private per-panel selection is GONE: `SelectionState` gains a `Vendor` change source (`SelectionChangeSource.Vendor`) and is now the AUTHORITY — row clicks, the F4 auto-select-first-item fallback, and right-click examine all call `SelectionState.Select`/`Clear`; `VendorUiController` is a CONSUMER (`OnSelectionTransition`) exactly like every sibling panel, matching retail's global `ACCWeenieObject::selectedID`. The examine gap (F7c) is GONE too: `VendorShopItemMaterializer` (`src/AcDream.Runtime/Gameplay/VendorShopItemMaterializer.cs`, Slice 6.1) registers every `ApproachVendor` shop item into `ClientObjectTable` (guid, `ContainerId = vendorGuid`, merge-upserted via the ordinary `Ingest` path, retired on session Close/Reset/vendor-replace via the SAME `VendorState.Changed` subscription) so `AppraisalUiController.Apply`'s lookup now succeeds; `VendorUiController.ExamineItem` wires `UiItemList.ExamineItemRequested` to `ItemInteractionController.ExamineSelectedOrEnterMode`, mirroring `ExternalContainerController`. **Double-click-to-buy was investigated (research doc `docs/research/2026-08-08-slice6-vendor-transactions-research.md` §B.2) and confirmed ABSENT from retail** — no `gmVendorUI::CheckForDoubleClick`/`VendorItemsUI::CheckForDoubleClick` symbol exists anywhere in the 18,366-function named table, unlike sibling panels (`gmContractsUI::CheckForDoubleClick`, `gmPageListUI::CheckForDoubleClick`) that DO have one; acdream intentionally does NOT add a double-click shortcut — a user request for it as a deliberate acdream-only UX addition would need its own AP row, per CLAUDE.md's no-invented-mechanisms discipline. The remaining two residuals (dropdown arrow-cap glyph, alt-currency `m_last_sale` simplification) are UNCHANGED — see below. New approximations this pass introduced are filed separately as AP-162 (no client-side Buy pre-check) and AP-163 (shop-item guid-collision policy). **Original REWRITTEN text follows, retained for the two still-open residuals:** `VendorUiController` mounts LayoutDesc `0x21000012`/root `0x100000B7` and fully wires only the authored "Items" tab (`0x100000B9` — `VendorItemsUI`: category-filtered browse list with retail's quantity-correct pricing, `ItemHolder::GetObjectSplitSize`'s `0xDC41CB0` split-exempt mask ported locally rather than a flat per-unit price). The other two authored tabs render and switch pages (so the layout looks complete) but are otherwise INERT: "Buying" (`0x100000BA`, `VendorBuyUI` — staged-purchase review/confirm, buttons `0x100000C9`/`CA`/`CB`/`CC`) and "Selling" (`0x100000BB`, `VendorSellUI` — staged-sale review/confirm, buttons `0x100000D2`/`D3`/`D4`/`D5`) have no data binding at all. The "Items" page's own `Buy` button (`0x100000C2`) correctly enables/disables with selection (`UiButton.Enabled`, retail `SetState(1)`/`SetState(0xd)`) and Slice 6.3 wires it to a real immediate single-item purchase (`gmVendorUI::BuySingleItem`, `pc:201661` — `VendorRequests.BuildBuy`/`WorldSession.SendBuy`, opcode `0x005F`). **Review correction 2026-08-09 (F8):** `Add to List` (`0x100000C3`, staging) does NOT enable/disable with selection — it is PERMANENTLY disabled (`VendorUiController.SetActionButtonsEnabled`), because it has no wired `OnClick` at all; an enabled-but-dead button is a worse affordance than a disabled one, so it stays disabled until the "Buying" tab's staging list is actually implemented. The Buy opcode exists on the wire now; Sell (`0x0060`) does not. `VendorProfile::InqAcceptability` (sell-eligibility filtering) is unread — moot without a sell UI. Two divergences remain of the four the F1-F8 fix pass originally recorded — the other two (private per-panel selection, unwired shop-item examine) CLOSED at Slice 6.1/6.2, see the NARROWED note above: (1) the closed-dropdown button face reuses the row template's own two sprites (`0x060012B3` normal/`0x060012B4` open) through `UiMenu`'s existing single-texture 3-slice `DrawButtonFace` instead of retail's authored two-piece label+arrow-cap assembly (label `0x1000034D` + a separate 17x19 arrow cap `0x1000034E` with its own `0x060012B1`/`0x060012B2` states) — a cosmetic gap only; the popup panel and its rows render with the exact authored geometry and sprites; (2) the alt-currency "you have" holding reads `VendorShopProfile.AlternateCurrencyAmount` directly instead of tracking retail's `gmVendorUI.m_last_sale` purchase debit — moot until a sell path exists to actually debit it, since `m_last_sale` only changes on a completed SALE (retail's own `m_last_sale == 0` case, `pc:204091`/`OpenVendor`'s `this->m_last_sale = 0` reset at `pc:203790`/`203800`); Slice 6.3's buy path does not touch `m_last_sale` either (retail's own buy flow never writes it), so this residual is unaffected by the buy arc landing. The "Buying"/"Selling" staging tabs (`VendorBuyUI`/`VendorSellUI`) and the full Sell wire remain unwired — unchanged Slice 6b/6c territory per contract decision 6, not a residual of THIS row. | `src/AcDream.App/UI/Layout/VendorUiController.cs`; `src/AcDream.Core/Items/VendorState.cs`; `src/AcDream.Core.Net/GameEventWiring.cs`; `src/AcDream.App/UI/RetailUiRuntime.cs` | Slice 6 (`docs/plans/2026-07-23-world-interaction-completion.md`) owns the authoritative buy/sell transaction command, quantity/stack-split selection, drag-to-sell consumption, and `InqAcceptability`-gated sell UI — Slice 5.4's charter was browse only. Buy (6.3), the global `ACCWeenieObject::selectedID` coupling (6.2), and shop-item `ClientObjectTable` registration (6.1) are now DONE, landing exactly the seam this row's original filing fenced off; drag-to-sell consumption and `InqAcceptability`-gated sell UI remain Slice 6b/6c territory. | A player can browse, select, examine, and BUY (Slice 6.3) — the only remaining unbuilt transaction is Sell. Clicking "Buying"/"Selling" still shows an empty page with no error or explanation, matching "present but does nothing" rather than a disabled/hidden affordance. The dropdown's closed-state button face is missing its separate arrow-cap glyph — a minor visual gap, not a functional one; the open popup itself is pixel-faithful to the authored template. | `gmVendorUI::OpenVendor` pc:203650 (`m_itemsUI`/`m_buyUI`/`m_sellUI` construction, `PostInit` pc:199906, `m_last_sale` reset pc:203790/203800); `VendorBuyUI::VendorBuyUI` pc:199717; `VendorSellUI::VendorSellUI` pc:199753; `VendorProfile::InqAcceptability` pc:484768-484797; `UIElement_Menu::MakePopup` pc:120705-120764, `::Initialize` pc:120789-120828; `VendorItemsUI::UpdateItemsUI` pc:202539-202820; `VendorItemsUI::UpdateItemsList` pc:201029-201190; `ItemHolder::GetObjectSplitSize` pc:401465-401477; `gmToolbarUI::HandleSelectionChanged` pc:198740-198790 (mask `0xDC41CB0` at pc:198784); `ACCWeenieObject::GetObjectName` pc:409056-409132; `docs/research/2026-08-08-slice5-vendor-browse-research.md` §B.4, §D |
-| AP-162 | **NARROWED 2026-08-09 (Opus review of `92ea3977`, finding F1) — the "Buy All" half of this row CLOSES.** `VendorUiController.BuyAllButtonPressed` now ports all four of retail's client-side pre-send guards (pyreal affordability `pc:204017`, alt-currency affordability `pc:204032`, container-slot capacity `pc:204053`, item-slot capacity `pc:204067`) — see `ComputeBuyTransactionValue`/`ComputeBuySlotsNeeded`/`CountPlayerContents`, each guard returning with staging fully intact and retail's own exact notice string (`"You don't have enough money"` at `0x007b57b4`, `"You must empty some slots in your backpack first"` at `0x007b5750`, both byte-recovered). The container-vs-item slot CLASSIFICATION this port uses (`ItemType.Container` instead of retail's bitfield/capacity test) is its own new, narrower approximation — filed separately as AP-168 rather than folded in here. Only `TryBuy`'s single-item Buy path (Items tab's own Buy button, and the Buying tab's "Buy Item") remains WITHOUT a client-side pre-check — the risk/oracle columns below now describe that one remaining case, not both. **EXTENDED 2026-08-09 (Slice 6b) — the same omission now also covers "Buy All".** `ItemInteractionController.TryBuyAll` (the batched-send path `VendorUiController.BuyAllButtonPressed` calls) sends unconditionally too, without porting retail's `pc:204017/204032/204053/204067` affordability/pack-capacity pre-checks for the MULTI-item case either — the same latency-not-correctness tradeoff this row already documents for the single-item path, extended rather than duplicated into a second row; retiring this row should port both the single- and batched-send pre-checks together. **Filed 2026-08-09, Slice 6.3 (buy wire + button).** Retail's `BuySingleItem` (`pc:201661`) performs TWO client-side pre-checks before ever sending `CM_Vendor::Event_Buy`: (a) an affordability check against `this->m_totalValue` (pyreal) or `shopVendorProfile->trade_num - m_last_sale` (alt-currency), showing a LOCAL string via `ECM_UI::SendNotice_DisplayStringInfo` and returning without sending anything on failure (`pc:201686-201717`); (b) a pack/container-capacity pre-check (`pc:201730-201746`) mirroring the server's own check. acdream's `ItemInteractionController.TryBuy` sends unconditionally once the shared use/inventory gate is free — no client-side affordability or capacity check runs before dispatch. Every refused purchase pays a full round-trip (send → server rejects → `UseDone`/`GameEventInventoryServerSaveFailed`) instead of failing instantly and silently client-side. **Swept 2026-08-09 (F4 review fix):** `TryBuy` now also checks whether `sendBuy` actually reached a live, in-world session before marking the reservation dispatched — an orthogonal reservation-leak bug fix (no session ever produced a stray permanent busy-lock), not an affordability/capacity check; this row's scope and residual are unchanged. | `src/AcDream.App/UI/ItemInteractionController.cs` (`TryBuy`) | The research doc's own open question 1 (`docs/research/2026-08-08-slice6-vendor-transactions-research.md`) recommends deferring this: the server is authoritative either way (ACE re-validates both affordability and capacity server-side — `Vendor.BuyItems_ValidateTransaction`, `Vendor.cs:431-571`), so omitting the client pre-check is a LATENCY/UX gap, not a correctness one — a refused purchase still fails cleanly, just one round-trip later than retail. | A player attempting to buy something they cannot afford or have no room for sees the failure arrive after a network round-trip instead of instantly; against a well-behaved ACE server no purchase can succeed that retail's pre-check would have blocked, so no transaction outcome differs — only its latency. Retiring this row means porting `BuySingleItem`'s two pre-check branches (`pc:201686-201746`) into `TryBuy` before dispatch. | `gmVendorUI::BuySingleItem` pc:201661/0x004C2820 (affordability pc:201686-201717, capacity pc:201730-201746); `Vendor.BuyItems_ValidateTransaction` (`references/ACE/Source/ACE.Server/WorldObjects/Vendor.cs:431-571`); `docs/research/2026-08-08-slice6-vendor-transactions-research.md` §D point 4, Open question 1 |
-| AP-163 | **REVIEW CORRECTION 2026-08-09 (Opus review of `97cf8738`, finding F1):** this row's ownership discipline is now COMPLETE on both halves, not just the add-time collision guard described below. The retire pass (`OnVendorTransition`'s loop over guids missing from the new `ApproachVendor` snapshot) previously deleted ANY such guid unconditionally — a plain bug, not a documented divergence, since buying a UNIQUE vendor item re-containers that SAME guid into the buyer's own pack (`Player_Commerce.cs:86-108`) BEFORE the post-buy refresh that drops it from the shop's own list arrives; the old retire pass would have stripped the just-purchased item straight back out of the buyer's inventory. **The exact rule now enforced:** each owned guid remembers the vendor id it was registered under (`Dictionary`, guid -> vendorId), and the retire pass calls `ClientObjectTable.Remove` ONLY when the live object's CURRENT `ContainerId` still equals that recorded vendor id; when it differs (or the object is already gone), the tracking entry is dropped silently and the object itself is left completely untouched — the SAME skip-not-clobber discipline the add-time collision guard below already used, now applied symmetrically on the way out. This is a bug fix, not a new divergence, and does not change this row's still-open scope: retail's actual `ClientObjMaintSystem`/`CObjectMaint` collision behavior on a guid collision remains untraced. **Filed 2026-08-09, Slice 6.1 (shop-item materialization).** `VendorShopItemMaterializer` registers each `ApproachVendor` shop item into `ClientObjectTable` keyed by its own server guid. ACE's `UniqueItemsForSale` (`Vendor.cs:34,638`) can list the EXACT guid a player last held (an item sold to this vendor keeps its original guid), so a guid collision against an existing, differently-owned `ClientObjectTable` entry is a real, if rare, possibility. No retail behavior for this exact case was traced (retail's `ClientObjMaintSystem`/`CObjectMaint` guid-keyed registration internals were not decompiled for this pass). acdream's policy is a conscious, conservative default: a guid this materializer did NOT itself add to the table on a previous cycle is treated as owned by something else and is left completely untouched — never overwritten, never later removed by this class. | `src/AcDream.Runtime/Gameplay/VendorShopItemMaterializer.cs` (`OnVendorTransition`'s collision guard) | Skip-not-clobber is the safe default absent a traced retail mechanism: silently reparenting a live entity's or another container's item into the vendor's `ContainerId` would corrupt real ownership state (equipment tracking, burden, radar) for a guid this code does not own, which is strictly worse than a single shop row's status-bar/appraisal projection staying blank. The vendor list itself is unaffected either way — `VendorUiController` reads display fields straight off `VendorShopItem`, never through `ClientObjectTable`. | If retail's actual behavior differs (e.g. it always overwrites, or a real `UniqueItemsForSale` collision is more common than assumed), the one colliding shop row's status-bar/appraisal projection stays stale/blank instead of showing the vendor listing — a narrow, single-row display gap, never a corrupted non-vendor object. Retiring this row requires tracing retail's `ClientObjMaintSystem` registration behavior on a guid collision, which was out of scope for this pass. | No direct retail citation traced this pass — `Vendor.cs:34,638` (`UniqueItemsForSale`, ACE) establishes the collision is POSSIBLE, not what retail does about it; `docs/research/2026-08-08-slice6-vendor-transactions-research.md` (task brief: "study how ACE guids vendor stock and state your collision policy with evidence") |
-| ~~AP-164~~ | **RETIRED 2026-08-09 (Opus review of `92ea3977`, finding F4).** `VendorProfile::InqAcceptability`'s non-sellable bitfield check (`(*(uint8_t*)((char*)arg2->_bitfield)[3] & 1) != 0`, `pc:005d1aa7`, byte 3 bit 0 — bit 24, `0x01000000`, of `PublicWeenieDesc`'s packed flags) is now ported end to end. `PublicWeenieFlags.Retained` (`src/AcDream.Core/Items/ItemInteractionPolicy.cs`) names the bit; `VendorSellAcceptability.Evaluate` takes it as a new `publicWeenieBitfield` parameter and ORs it into the SAME `WrongType` outcome the type-mask mismatch produces, matching retail's own OR'd branch exactly. The row's three original claims are each corrected by this fix, not merely superseded: the bit WAS already threaded onto `ClientObject` (`ClientObject.PublicWeenieBitfield`, `ClientObject.cs:241`, populated by `ObjectTableWiring.ToWeenieData`'s `PublicWeenieBitfield: s.ObjectDescriptionFlags` mapping) — the claim that no `PublicWeenieFlags` member was named at `0x01000000` was true only because the member had never been added, not because the underlying data was missing; and the "unclear whether `ApproachVendor`'s wire shape carries this flag for a player-owned pack item" question was moot from the start — the drag-to-sell flow always operates on the PLAYER'S OWN pack item (arrived via ordinary `CreateObject`/`EntitySpawn`, never `ApproachVendor`, which only describes the VENDOR'S stock), and that path already carried the field. Nothing is left unmodeled. | `src/AcDream.Core/Items/VendorSellAcceptability.cs` (`Evaluate`); `src/AcDream.Core/Items/ItemInteractionPolicy.cs` (`PublicWeenieFlags.Retained`) | — | — | `VendorProfile::InqAcceptability` `pc:484768-484797`/`0x005d1a90`, bitfield test at `pc:005d1aa7`; `acclient.h:6456` (`BF_RETAINED = 0x1000000`) |
-| ~~AP-165~~ | **RETIRED 2026-08-08 (grand-gate re-gate finding R1).** `VendorShopItem` now carries `MaxStackSize` (threaded from `PublicWeenieDescBody.StackSizeMax`, itself already parsed but previously never forwarded to the vendor domain type or the wire), so `VendorUiController.BuyStagingRemovalAmount` reads it directly — `(item.MaxStackSize ?? 1) > 1 ? -1 : 1` — a byte-exact port of `gmVendorUI::HandleButtonClicks` cases `0x100000c9`/`0x100000cb` (`pc:203989-204010`/`204080-204094`, testing `eax->pwd._maxStackSize > 1`), no longer a `DescStackSize` substitute. The SAME sibling call site `gmVendorUI::InqListSlotCount` (`pc:200052`, `eax->pwd._maxStackSize <= 1`) — previously approximated with `DescStackSize` in `VendorUiController.ComputeBuySlotsNeeded`'s stackable test, undocumented — is corrected the same way in the same commit. | `src/AcDream.App/UI/Layout/VendorUiController.cs` (`BuyStagingRemovalAmount`, `ComputeBuySlotsNeeded`) | — | — | `gmVendorUI::HandleButtonClicks` cases `0x100000c9`/`0x100000cb`, `pc:203989-204010`/`204080-204094`; `gmVendorUI::InqListSlotCount` `pc:200038-200065`/`0x004c0c10` |
-| AP-166 | **Filed 2026-08-09, Slice 6b/6c (staging presentation).** **NARROWED 2026-08-08 (grand-gate re-gate finding R3) — the text half CLOSES.** The Buying/Selling tabs' own staged-count/total-value text (`m_buyListText`/`m_sellListText`, D0 ids `0x100000C7`/`0x100000D0`) and purse-total text (`m_buyPurseText`/`m_sellPurseText`, `0x100000C8`/`0x100000D1`) are now wired (`VendorUiController.UpdateBuyTransactionText`/`UpdateSellTransactionText`), updating on every staging change and on every player money change. Retail's exact literals were recovered: the pyreal-path strings are byte-verbatim — `"Buying %d %s worth %hsp"` / `"Selling %d %s worth %hsp"` (the Sell literal is directly legible in the decompiled body of `VendorSellUI::UpdateTransactionValue`, `pc:202458`; the identically-shaped Buy literal is mis-attributed by the decompiler to a bogus vtable-slot symbol at its own call site, `pc:202290`, so it was recovered instead by reading the retail binary's own data segment directly at VA `0x007b58bc`, cross-confirmed byte-for-byte against the Sell literal's own VA `0x007b5930`) and `"You have %hsp"` (directly legible at both `VendorBuyUI::UpdateTotalValue` `pc:202366` and `VendorSellUI::UpdateTotalValue` `pc:202495`, byte-identical). The alt-currency PURSE literal `"You have %d %s."` is also directly legible (`VendorBuyUI::UpdateTotalValue`, `pc:202344`) and ported; the alt-currency LIST-line construction is a faithful extrapolation of the confirmed pyreal shape, NOT independently byte-verified — this one narrow piece remains open under this row (a rare trade-note-vendor case). The row's SECOND original gap — a successful Sell Item/Sell All/Clear Item does not port retail's cross-panel `gmVendorUI::VendorItemSetSellState` (the player's OWN inventory panel highlight marking an item "pending sell") — is UNCHANGED, still open. | `src/AcDream.App/UI/Layout/VendorUiController.cs` (`BuildTransactionListText`, `BuildPurseText`, `UpdateBuyTransactionText`, `UpdateSellTransactionText`, `ComputeSellTransactionValue`, `OnObjectMoneyChanged`) | The alt-currency LIST-line residual is narrow (a rare trade-note vendor) and the pyreal path — the live-evidence report's own case — is now byte-exact; the pending-sell inventory highlight is a separate, unrelated mechanism this pass did not attempt. | An alt-currency vendor's Buying/Selling LIST line may not match retail's exact wording (the purse line does, and the pyreal path's LIST line does); a pending-sell item still shows no visual cue back in the main inventory panel while staged. | `VendorBuyUI::VendorBuyUI` `pc:199717`; `VendorSellUI::VendorSellUI` `pc:199753` (purse/list text element construction); `VendorBuyUI::UpdateTransactionValue` `pc:202170-202300`; `VendorBuyUI::UpdateTotalValue` `pc:202304-202376`; `VendorSellUI::UpdateTransactionValue` `pc:202380-202468`; `VendorSellUI::UpdateTotalValue` `pc:202472-202504`; `gmVendorUI::VendorItemSetSellState` (call sites `pc:204107`/`204133`); acclient.exe (Sept 2013 EoR, PDB-paired) data segment VA `0x007b58bc`/`0x007b5930`; `docs/research/2026-08-08-slice5-vendor-browse-research.md` §B.4 D0 tree |
-| AP-167 | **Filed 2026-08-09, Opus review of `92ea3977`, finding F6 (Sell Item's SellSingleItem port).** Retail's `gmVendorUI::SellSingleItem` (`pc:201808-201881`, `0x004c2b40`) gates its whole stack-split/send branch behind an OUTER check: if the selected item is container-capable (a bitfield bit this port does not currently decode, ORed with nonzero `_itemsCapacity`/`_containersCapacity`) AND it currently holds contents, `SellSingleItem` refuses with a distinct notice (`RecvNotice_SkillAdvancementClassChanged`'s literal string, not yet recovered) and never reaches the stack-split check or the send at all — matching `InqAcceptability`'s own "a non-empty container always accepted" bypass being the WRONG direction for a DIRECT single-item sell of the CONTAINER itself. `VendorUiController.SellItemButtonPressed` does not port this outer branch — it goes straight to the stack-split check for every selected item, container or not. | `src/AcDream.App/UI/Layout/VendorUiController.cs` (`SellItemButtonPressed`) | The scope of the review finding (F6) was the stack-split refusal and the literal amount-1 send, both fully ported; the container-emptiness branch is a distinct, separately-gated retail mechanism this pass did not trace far enough to port (the exact bitfield bit and the refusal string are both still unrecovered). The server remains authoritative regardless — a client-side accept here is a UX gap, not a wire-safety one. | Selecting a non-empty container (a bag with items still inside it) and pressing "Sell Item" directly would, in retail, refuse locally with a distinct message; this port instead falls through to the ordinary stack-split check (which a non-stackable container passes trivially) and sends the sell — the actual sale's server-side fate for a non-empty container is untraced (ACE may reject, merge, or drop the contents; not investigated here). | `gmVendorUI::SellSingleItem` `pc:201808-201881`/`0x004c2b40` (outer container-emptiness branch `pc:201818-201829`); `docs/research/2026-08-08-slice6b-vendor-completion-research.md` |
-| AP-168 | **NARROWED 2026-08-08 (grand-gate finding G1) — the player's-OWN-pack half (`CountPlayerContents`) is FIXED; only the shop-stock half (`ComputeBuySlotsNeeded`) remains approximated.** Live testing surfaced the risk this row already predicted: "Buy All" false-blocked a container purchase while the player visibly had free container slots. Root cause was NOT the theoretical corner case originally described here — it was that the old dual-heuristic (`ItemType.Container` bit OR nonzero `ItemsCapacity`/`ContainersCapacity`) could over-classify an ordinary non-container object as an occupied container slot, undercounting free space. `CountPlayerContents` now reads `ClientObject.ContainerTypeHint` first — retail's actual wire `ContainerProperties` (`Item_ServerSaysContainId` 0x0022's `ContainerType`; also carried by `ContentProfile`/`PlayerDescription`'s per-entry container-kind byte), already threaded onto every owned object by `InitializeInventoryManifest`/`ApplyConfirmedServerMove`/`ReplaceContents` and already used for this identical question by `ClientObjectTable.IsContainerListMember` — falling back to `ItemType.Container` alone (the capacity-field legs were dropped) only for the rare object that never received a hint. This matches retail's real `_itemsList`/`_containersList` bucketing (`ACCWeenieObject::GetNumContainedItems`/`GetNumContainedContainers` @0x0058beb0/0x0058bec0 just report already-bucketed `IDList` lengths; the bucketing happens once, at insert time, in `ServerSaysContainID` @0x0058be40, from that same wire field) rather than reconstructing it from the item's own type/capacity fields. Original text: **Filed 2026-08-09, Opus review of `92ea3977`, finding F1 (Buy All's client pre-send capacity guard).** Retail's `gmVendorUI::InqListSlotCount` (`pc:200038-200065`, `0x004c0c10`) classifies each staged item as needing a CONTAINER slot or an ITEM slot by testing a bitfield bit (a decompiler string-misattribution artifact not yet decoded) ORed with the item's own nonzero `_itemsCapacity`/`_containersCapacity`. `VendorUiController.ComputeBuySlotsNeeded`/`CountPlayerContents` approximate this with `(item.ItemType & ItemType.Container) != 0` instead — correct for the ordinary case (an authored backpack/pouch DOES carry the `Container` type bit) but not byte-identical for the theoretical case of a non-`Container`-typed item that still authors nonzero pack/side capacities (or vice versa, a `Container`-typed item with zero capacity of its own, e.g. a locked/sealed decorative chest never meant to be carried). | `src/AcDream.App/UI/Layout/VendorUiController.cs` (`ComputeBuySlotsNeeded`, `CountPlayerContents`) | `VendorShopItem`'s wire shape (Slice 5's deliberately narrow browse-scope subset) genuinely does not carry `PublicWeenieBitfield`/`ItemsCapacity`/`ContainersCapacity`/`ContainerProperties` the way `ClientObject` does for an ordinary `CreateObject`/membership-sourced item, so `ComputeBuySlotsNeeded` (the shop-stock side, staged-but-not-yet-owned items) cannot read a wire-truth hint the way the fixed `CountPlayerContents` (the already-owned side) now does; extending the DTO was out of scope for this fix. The server remains authoritative and re-validates real pack-space regardless (`Vendor.BuyItems_ValidateTransaction`, `Vendor.cs:431-571`) — the residual failure mode stays UX/latency, not correctness. | A vendor selling a `Container`-typed item with zero authored capacity (rare/decorative) would still be misclassified as needing a container slot instead of an item slot, or vice versa for a non-`Container`-typed item that DOES author capacity (also rare) — the pre-check could still reject a purchase retail's own guard would have allowed, or allow one retail would have blocked, purely on the CLIENT side for the SHOP-STOCK item being bought; the player's-OWN-pack accounting that drives the free-slot count is no longer the source of that risk. | `gmVendorUI::InqListSlotCount` `pc:200038-200065`/`0x004c0c10`; `ACCWeenieObject::GetNumContainedItems`/`GetNumContainedContainers` `0x0058beb0`/`0x0058bec0`; `ACCWeenieObject::ServerSaysContainID` `0x0058be40`; `docs/research/2026-08-08-slice6b-vendor-completion-research.md` |
-| AP-169 | **Filed 2026-08-08, grand-gate finding G2 (vendor toolbar split-slider absent live). CORRECTED 2026-08-08 (re-gate finding R1). CORRECTED AGAIN 2026-08-08 (live vendor-diag evidence) — both earlier stories mis-identified the operand; this row now records the third and evidence-pinned shape.** The G2 fix fell back to the packed ItemProfile supply-count dword (unusable: a standard listing has UNLIMITED stock, `-1`). The R1 fix preferred the wire `PublicWeenieDesc::_stackSize` (`VendorShopItem.DescStackSize`) on the claim that ACE never populates it for a browse row — the live vendor-diag run REFUTED that claim: ACE serializes `descStackSize=1` for EVERY browse row (`[vendor-diag] ApproachVendor wire-item[...] descStackSize=1 stackSizeMax=100`), so desc-first resolved every vendor stack to 1 and the split bar never appeared (`ApplySelection ... failingPredicate=stackSize<=1u stackSize=1`). The named decomp settles what retail actually reads at its VENDOR-owned quantity sites: `pwd._maxStackSize` DIRECTLY — `VendorItemsUI::UpdateItemsList` (`0x004c1ea0`, `pc:201085-201133`) displays each browse row's quantity as `min(remaining, _maxStackSize)` (plain `_maxStackSize` for an unlimited listing, via `VendorSubUI::SetObjectStackSize`); `gmVendorUI::InqListSlotCount` (`0x004c0c10`, `pc:200052`) classifies rows on `pwd._maxStackSize <= 1`; the Buy cases (`gmVendorUI::HandleButtonClicks` `0x100000c9` @`pc:203996` / `0x100000cb` @`pc:204086`) gate the stackable-buy path on `pwd._maxStackSize > 1`. `VendorSplitPolicy.ResolveAuthoredStackSize(descStackSize, maxStackSize)` is therefore **max-first** (desc fallback, then 1), consumed only by the vendor-owned paths (`VendorShopItemMaterializer.ToWeenieData`, `VendorUiController.ResolveBuyQuantity`); player-inventory stacks never route through it. Matches the live retail screenshot ("1000 Prismatic Tapers", ceiling 1000 = the taper's authored max stack size). The toolbar-side `gmToolbarUI::HandleSelectionChanged` does read `pwd._stackSize` (`pc:198688`/`198744`/`198774`/`198791`) — on a REAL retail server the two agree for a browse row (the vendor UI stamps the displayed stack from `_maxStackSize`); against ACE (desc always 1) the `_maxStackSize` operand is the one that carries retail's meaning. | `src/AcDream.Runtime/Gameplay/VendorShopItemMaterializer.cs` (`ToWeenieData`); `src/AcDream.Core/Items/VendorSplitPolicy.cs` (`ResolveAuthoredStackSize`); `src/AcDream.App/UI/Layout/VendorUiController.cs` (`ResolveBuyQuantity`) | This is an ACE-server-constraint adaptation on the toolbar leg only: retail's vendor UI reads `_maxStackSize` literally (ported as-is); the toolbar seed's `_stackSize` read is satisfied through the materialized `ClientObject.StackSize`, which this resolution stamps from `_maxStackSize` exactly as retail's own `UpdateItemsList` stamps the displayed stack — not an arbitrary substitute. | A vendor stocking a bounded but non-unit quantity shows a ceiling of `min` semantics only on a real retail server; against ACE the client-side slider ceiling is the authored max stack size, not the bounded stock count — the server remains authoritative and rejects an over-large Buy regardless (a latency/UX gap, not a correctness one — see AP-162). If ACE ever starts serializing a REAL per-listing `_stackSize` (not the constant 1), the max-first preference would hide it; the desc fallback fires only when no authored ceiling exists. | `VendorItemsUI::UpdateItemsList` `0x004c1ea0` `pc:201029-201133`; `gmVendorUI::InqListSlotCount` `0x004c0c10` `pc:200052`; `gmVendorUI::HandleButtonClicks` `pc:203996`/`204086`; `gmToolbarUI::HandleSelectionChanged` `pc:198688-198791`; live vendor-diag wire capture + live retail screenshot (2026-08-08) |
-| AP-170 | **Filed 2026-08-08, grand-gate finding G3 (out-of-range vendor Use lost silently).** Retail's `ItemHolder::UseObject @ 0x00588A80` has no client-side range check and sends Use immediately regardless of distance — this port's ORIGINAL `RequestUse` faithfully mirrored that shape. Live testing against the user's local ACE server showed it does not hold: walking to a vendor and using it from out of range plays the vendor's cosmetic greeting (a distance-only reaction, independent of Use) but never opens the shop panel — `ApproachVendor` never arrives. ACE's `Player.HandleActionUseItem` (`references/ACE/Source/ACE.Server/WorldObjects/Player_Use.cs:176-215`) explains why: an out-of-range target routes through `CreateMoveToChain(item, (success) => TryUseItem(item, success))` (`Player_Move.cs:37-96`), which polls every 0.1s for the player to reach `WithinUseRadius` and only then calls `ActOnUse` — it does not teleport or server-move the player; it waits for the CLIENT's own walk to land, and a Use that arrives before that poll ever starts observing an in-range player is simply never followed by the vendor's `ApproachVendor` send (`Vendor.ActOnUse`'s own doc comment: "the player will have been commanded to move using `DoMoveTo` before `ActOnUse` is called... it should be assumed that the player is within range" — a precondition our immediate send violated). `SelectionInteractionController.RequestUse` now arms the out-of-range case on the SAME arrival-gated shape `SendPickup`'s close-range (turn-only) branch already used (`RuntimeInteractionTransactionState.TryArmPostArrivalUse`/`TryResolveUseApproachCompletion`, mirroring `TryArmPostArrivalPickup`/`TryResolveApproachCompletion` field-for-field) — the wire Use dispatches only once the local approach naturally completes. An already-in-range Use (a turn at most, or no approach concept applies) is unaffected and still sends immediately, matching ACE's own "already within use distance" synchronous callback. | `src/AcDream.App/Interaction/SelectionInteractionController.cs` (`RequestUse`, `HandleApproachCompletion`, `HandleUseApproachCompletion`, `CancelPendingApproach`, `OnEntityHidden`, `OnEntityRemoved`); `src/AcDream.Runtime/Gameplay/RuntimeInteractionTransactionState.cs` (`RuntimePendingUse`, `TryArmPostArrivalUse`, `TryResolveUseApproachCompletion`, `TryCancelPendingUse`) | This is an ACE-server-constraint adaptation, not a retail redesign: retail's REAL server walks the player itself before the target's `ActOnUse` ever sees the request, so the client's immediate send never races anything there. ACE does not do this for a player-initiated Use — it only polls and waits — so arming on arrival is required for correctness against the only server this port can test against, not a stylistic preference. | An interaction path that still calls `TryDispatchUse` directly without going through `RequestUse`'s approach gate (none identified at this fix) would keep the original race. The armed reservation is a live busy-count reference until arrival/cancellation resolves it; `ResetCore` releases it unconditionally on any reset/dispose so a teardown that runs without a preceding `CancelPendingApproach()` (e.g. a headless/no-window host with no `SelectionInteractionController`) cannot leak it. | `ItemHolder::UseObject` `0x00588A80`; `Player.HandleActionUseItem` `Player_Use.cs:176-215`; `Player.CreateMoveToChain`/`MoveToChain` `Player_Move.cs:37-153`; `Vendor.ActOnUse` `Vendor.cs:223-266` |
-| AP-171 | **Filed 2026-08-08 (user-approved modernization).** Double-clicking a vendor shop item buys it (select + the Buy button's exact quantity/price path). Retail has NO double-click-to-buy — the full named function table was swept at the Slice 6 research and the user chose the addition explicitly after being told. | `src/AcDream.App/UI/Layout/VendorUiController.cs` (shop cell DoubleClicked) | Deliberate QoL divergence, user-directed; trivially removable. | None — additive input affordance; the single-click and Buy-button paths are unchanged. | User direction 2026-08-08 ("When I double click, I should buy it") |
-| AP-173 | **Filed 2026-08-08 (Campaign A slice A2).** Retail pans with `IDirectSoundBuffer::SetPan`, which attenuates ONE output channel by \|pan\| decibels — so full deflection is a 15 dB inter-channel level difference, never full separation. OpenAL exposes no per-channel gain for a mono source, so acdream expresses the same pan as a source-relative AZIMUTH (`MaxPanAzimuthDegrees = 30`, scaled by pan/15) and lets OpenAL's constant-power panner turn it into channel gains. Everything about the pan's SHAPE is retail's and byte-verified: the value is `(int)(-15·sin(Δbearing))` in whole decibels from retail's compass convention, it is forced to dead centre when `(int)distance < 5`, it distinguishes neither front from back nor elevation, and it is frozen for the voice's lifetime. Only the mapping from a 15 dB channel difference to an azimuth under OpenAL's own pan law is approximate. | `src/AcDream.App/Audio/OpenAlAudioEngine.cs` (`MaxPanAzimuthDegrees`, `ApplyPan`) | The exact alternative is to pre-mix a stereo buffer per (wave, pan) pair, which multiplies AL buffer memory by up to the 31 distinct pan values and would fight the 48 MiB LRU; OpenAL's stereo pan law is also driver-dependent, so a measured mapping would not be portable. The audible quantity (inter-channel difference) is preserved in shape and bounded in magnitude. | Stereo image at full deflection may be somewhat wider or narrower than retail's 15 dB; direction and the centre deadzone are correct. Sounds are never hard-panned to silence in one ear the way an uncompressed azimuth would do. | `SoundManager::PlaySoundInternal @ 0x00550170`; `SoundBuf::Play` SetPan call; `docs/research/2026-08-08-audio-retail-soundmanager-core.md` §1 (pan decode) |
-| AP-174 | **Volume-knob taxonomy differs from retail's, filed 2026-08-08 (Campaign A slice A2).** Retail has exactly three float knobs — `effect_sound_volume`, `ambient_sound_volume`, `interface_sound_volume` — **no master and no music knob**, and the interface one is registered and then never read (interface sounds are scaled by the EFFECT knob). acdream keeps an extra `MasterVolume` on top of `SfxVolume`, which A2 folds into the mixer's single master multiply (`EffectMaster = MasterVolume * SfxVolume`) rather than publishing as an AL listener gain — so the −50 dB no-allocate floor, the audible radius, and the whole-decibel quantisation all move with the slider the way they would if retail had one. `MusicVolume` is dead (retail has no music system at all; slice A6 deletes it) and `AmbientVolume` is unread until slice A5 wires the ambient path. No Interface knob exists yet; slice A4 adds the UI bus and will scale it by the effect knob, matching retail's dead-knob behaviour rather than implementing a working one. | `src/AcDream.App/Audio/OpenAlAudioEngine.cs` (`EffectMaster`); `src/AcDream.UI.Abstractions/Panels/Settings/AudioSettings.cs` | A master slider is a modern nicety users expect and costs nothing once it is inside the one retail multiply; implementing retail's dead interface knob as a working control would be a divergence in the other direction, so it stays dead. | At Master 1.0 (the default) behaviour is bit-identical to a retail single-knob mix. Below 1.0 the mix is quieter than retail's would be at the same effect setting, because retail has no such knob to turn down. | `SoundManager::InitPrefs @ 0x005503F0`; `SoundManager::GetAttenuation @ 0x00550020`; `docs/research/2026-08-08-audio-retail-soundmanager-core.md` §3 D11/D13 |
+| AP-110 | Remaining retained gameplay panels and world HUD are absent: advanced-combat powerbar, residual social/floating chat, quests/map/options/smartbox, vendor/trade/salvage/tinkering, mini-game gameplay, Link Status NAK/retransmission packet-loss averaging, and D.6 nameplates/floaters. Examination has its independent authored floaty layout, inscription transaction, retail creature stat/rating/animated-preview presentation, default selection-follow, authored local spell subview with appropriate-formula component state, and the full EoR item-report dispatch: appraisal-only unknowns; exact equipment-set/rating/tinkering/weapon/armor/caster/requirement/XP/healer/rare prose and intentional blank section rows; ordinary/enchantment DAT spell descriptions; live material-decorated appropriate titles plus DAT material and creature names; expiry, decorated material/gem descriptions; and portal/PK restrictions with authored item colors. It still lacks item-object preview, player-dependent effective shield projection, live cooldown-remaining projection, localized augmentation-cost `StringInfo`, exhaustive character detail regions, and exact creature appraisal FontInfo-list selection. | `src/AcDream.App/UI/RetailUiRuntime.cs`; `src/AcDream.App/UI/Layout/AppraisalUiController.cs`; `src/AcDream.App/UI/Layout/ItemAppraisalTextFormatter.cs`; `src/AcDream.App/UI/Layout/RetailAppraisalNameResolver.cs`; `src/AcDream.App/UI/Layout/CreatureAppraisalRows.cs`; `src/AcDream.App/Rendering/CreatureAppraisalPresentation.cs`; `src/AcDream.Core.Net/LinkStatusSnapshot.cs`; D.5/D.6 roadmap | Basic combat, M3 magic/Link/Vitae surfaces, and the core examination request/presentation/inscription/creature-preview/item-report loop cover the active loops; the residual examination mechanisms require live player/enchantment/localization state or object-preview ownership rather than fabricated content | Item assessments omit only the listed live/localized/preview projections; enchanted/incomplete creature appraisal rows use the normal authored font until the exact FontInfo list is bound; other absent panels remain unavailable; real packet loss is displayed as 0.00% instead of retail's moving average | `BasicCreatureExamineUI::Init @ 0x004AB9C0`; `CreatureExamineUI::SetAppraiseInfo @ 0x004B3FF0`; `gmExaminationUI::RecvNotice_SelectionChanged @ 0x004AB3D0`; `gmExaminationUI::ExamineSpell @ 0x004B6900`; `SpellExamineUI::ExamineSpell @ 0x004B6210`; `AttributeInfoRegion::Update @ 0x004F1D90`; `gmExaminationUI::SetAppraiseInfo @ 0x004ADAE0`; `ACCWeenieObject::GetObjectName @ 0x0058E6E0`; `ItemExamineUI::SetAppraiseInfo @ 0x004B72B0`; `ItemExamineUI::AddItemInfo @ 0x004AC050`; `ItemExamineUI::Appraisal_ShowCapacity @ 0x004B2680`; `ItemExamineUI::Appraisal_ShowSpecialProperties @ 0x004B0140`; `ItemExamineUI::Appraisal_ShowWeaponAndArmorData @ 0x004B10E0`; `ItemExamineUI::Appraisal_ShowMagicInfo @ 0x004B2E10`; `ItemExamineUI::Appraisal_ShowDescription @ 0x004B6990`; `MaterialTypeEnumMapper::MaterialTypeToString @ 0x005CD500`; `ItemExamineUI::SetInscription @ 0x004AE2F0`; `CM_Writing::Event_SetInscription @ 0x006A98B0`; `CLinkStatusAverages::GetAveragePacketLoss @ 0x00546610`; LayoutDesc catalog |
| ~~AP-111~~ | **RETIRED 2026-07-11 (M2 held-object parenting)** — equipped hand items are no longer omitted from the render world. CreateObject now preserves Placement/Parent/position timestamp bootstrap; live `0xF749` ParentEvent is parsed with retail sequence freshness; a focused render controller resolves `Setup.HoldingLocations`, applies the child's placement frame, and recomposes the separate child entity after every parent animation tick. Pickup retains the weenie's visual metadata for a later wield. | `src/AcDream.Core.Net/Messages/{CreateObject,ParentEvent}.cs`; `src/AcDream.Core/Meshing/EquippedChildAttachment.cs`; `src/AcDream.App/Rendering/EquippedChildRenderController.cs` | — | — | `ClientCombatSystem::GetDefaultCombatMode @ 0x0056B310`; `SmartBox::HandleParentEvent @ 0x004535D0`; `CPhysicsObj::set_parent @ 0x00515A90`; `CPhysicsObj::UpdateChild @ 0x00512D50` |
| AP-112 | The basic combat bar ports visibility, height selection, desired-power slider, exact 1.0/0.8-second charge, ready-stance gating, request/release, `MaybeStopCompletely`, server-response queueing, and auto-repeat, but still omits `StartAttackRequest`'s `FinishJump` call and exact trained-Recklessness visibility semantics (IA-20 keeps the dark range as the accepted baseline) | `src/AcDream.Runtime/Gameplay/RuntimeCombatAttackState.cs`; `src/AcDream.App/UI/Layout/CombatUiController.cs` | The shared player movement owner now performs retail's server-control-gated full stop and movement report before an attack build; the remaining seams require the jump owner and a distinct Recklessness treatment | Starting an attack while charging a jump may not finish that jump exactly when retail does; trained/untrained Recklessness presentation is identical | `ClientCombatSystem::StartAttackRequest @ 0x0056C040`; `CommandInterpreter::MaybeStopCompletely @ 0x006B3B90`; `gmCombatUI::ListenToElementMessage @ 0x004CC430` |
-| ~~AP-113~~ | **RETIRED 2026-08-10 (consolidated-review round, SHOULD-FIX 3/1 byproduct).** The exact wording IS now recovered — Binary Ninja's misidentification was the same pooled-string/mislabeled-vtable-slot artifact this file already documents elsewhere (`ClientCommunicationSystem::\`vftable'.RecvNotice_AddItemToTrade`), not a genuinely unrecoverable address. Read directly from the raw `push imm32` operand at `0x0056fc84` and decoded as UTF-16LE against the PDB-paired `C:\Users\erikn\Downloads\acclient.exe` (verified MATCH): `"Please see @help lifestone for more information on how to use this command."` `RetailClientCommandCatalog.Lifestone` now carries it as `InvalidArgumentsText`, so `/ls now` prints retail's own exact sentence, byte-exact, not a diagnostic approximation. | `src/AcDream.UI.Abstractions/Panels/Chat/RetailClientCommandCatalog.cs` (`Lifestone`) | — | — | `ClientCommunicationSystem::DoLifestone @ 0x0056FC70` |
+| AP-113 | Invalid lifestone-command arguments display the local text `Usage: /lifestone`; retail definitely emits a local usage/error line but Binary Ninja misidentifies the referenced wide-string address, so its exact wording is not yet recovered | `src/AcDream.UI.Abstractions/Panels/Chat/ChatCommandRouter.cs`; `RetailClientCommandCatalog.cs` | The behavior boundary is exact (handled locally, no chat and no game action); only a low-impact diagnostic sentence differs | `/ls now` can show different wording/color from retail while still refusing the invalid request correctly | `ClientCommunicationSystem::DoLifestone @ 0x0056FC70` |
| ~~AP-114~~ | **RETIRED 2026-07-14 (protection-effect corrective gate)** — the particle renderer no longer replaces every authored GfxObj with one bounding-box quad. Retail `Always2D` classification preserves mode-1/no-degrade full meshes through the modern shared mesh buffer and leaves only other degrade modes on the billboard path; stable emitter handles balance mesh ownership. | `src/AcDream.App/Rendering/ParticleRenderer.cs`; `RetailParticleGeometryClassifier.cs`; `particle_mesh.vert/.frag` | — | — | `CPhysicsPart::Draw @ 0x0050D7A0`; `CPhysicsPart::Always2D @ 0x0050D8A0`; `ParticleEmitter::SetInfo @ 0x0051CE90`; `docs/research/2026-07-13-retail-projectile-vfx-pseudocode.md` |
-| AP-115 | **NARROWED 2026-08-08 (Campaign A slice A4) — the sound half is landed; only the notice's presentation remains.** The enter/exit cues now play: `LocalPlayerTeleportPresentation.EnterTunnel`/`ExitTunnel` fire `UI_EnterPortal`/`UI_ExitPortal` through the resolved interface sound bank, which is where retail plays them (`0x004D638E` / `0x004D7405`, inside the teleport-animation boundary rather than the tunnel renderer). The DAT-authored portal-space viewport, animation `SoundTweakedHook`, and centered repeating `"In Portal Space - Please Wait..."` display string are live. **Scope note (2026-08-06):** this row covers the cue's PRESENTATION only. Its five-second arming threshold is a separate, unregistered divergence now filed as AP-150 — retail emits the notice unconditionally per tunnel rotation segment (0.6-1.8 s) and has no such threshold. | `src/AcDream.App/Rendering/PortalTunnelPresentation.cs`; `src/AcDream.App/Streaming/LocalPlayerTeleportController.cs`; `src/AcDream.App/UI/PortalWaitNoticeController.cs` | acdream has no ClientUISystem sound-table-enum resolver yet; inventing direct wave IDs would be less faithful. The notice uses the retained fullscreen UI rather than chat and remains tied to the portal presentation lifetime. | Portal travel has the correct animated wormhole, timing, direct viewport switch, view-plane transitions, animation-authored sound, centered wait notice, and (as of A4) retail's short UI enter/exit cue sounds. The residual is that the notice uses the retained fullscreen UI rather than chat, and its five-second arming is AP-150. | `gmSmartBoxUI::BeginTeleportAnimation @ 0x004D6300`; `gmSmartBoxUI::UseTime @ 0x004D6E30` |
+| AP-115 | The DAT-authored portal-space viewport, animation `SoundTweakedHook`, and centered repeating `"In Portal Space - Please Wait..."` display string are live, but the separate `ClientUISystem` enter/exit sound enums are not yet presented. | `src/AcDream.App/Rendering/PortalTunnelPresentation.cs`; `src/AcDream.App/Streaming/LocalPlayerTeleportController.cs`; `src/AcDream.App/UI/PortalWaitNoticeController.cs` | acdream has no ClientUISystem sound-table-enum resolver yet; inventing direct wave IDs would be less faithful. The notice uses the retained fullscreen UI rather than chat and remains tied to the portal presentation lifetime. | Portal travel has the correct animated wormhole, timing, direct viewport switch, view-plane transitions, animation-authored sound, and centered wait notice, but lacks retail's short UI enter/exit cue sounds. | `gmSmartBoxUI::BeginTeleportAnimation @ 0x004D6300`; `gmSmartBoxUI::UseTime @ 0x004D6E30` |
| AP-116 | Default `Particle Range = Extended` multiplies DAT-authored particle degradation distances by 2; the `Retail` option restores exact values | `src/AcDream.UI.Abstractions/Panels/Settings/DisplaySettings.cs`; `src/AcDream.App/Rendering/Vfx/ParticleVisibilityController.cs`; `src/AcDream.Core/Vfx/ParticleSystem.cs` | User explicitly requested doubled range as the normal non-dev-UI behavior; it changes no terrain, scenery, entity, fog, or streaming distance, and remains reversible through settings | The default roughly enlarges the active particle area and reduces the CPU gain from MP2; distant VFX remain visible beyond retail's authored cutoff | `CPhysicsPart::GetMaxDegradeDistance @ 0x0050D510`; `GfxObjDegradeInfo::get_max_degrade_distance @ 0x0051E2D0`; `CPhysicsObj::ShouldDrawParticles @ 0x0050FE60` |
| AP-117 | Outdoor particle `CLandCell::IsInView` state is reconstructed with the modern landscape renderer's per-cell frustum plus active doorway clip-plane/scissor-AABB tests; retail `LScape::landcell_check` uses `Render::get_clip_height` + `Render::block_check` on terrain-cell corner intervals | `src/AcDream.App/Rendering/TerrainModernRenderer.cs` (`CollectVisibleCells`) | The mandatory modern renderer batches terrain by landblock and has no retail `ViewIntervalType` product. Publishing cell visibility from the exact landscape draw slices preserves ownership/order and removes the former object-survivor dependency without adding a second view pipeline | At a terrain cell grazing a frustum or doorway boundary, the conservative AABB test may freeze or resume particles on a slightly different frame than retail; whole regions outside the active doorway slice are rejected, and authored distance, login/portal fail-closed behavior, and indoor PView cells remain exact | `LScape::landcell_check @ 0x005050A0`; `CLandCell::IsInView @ 0x00532CB0`; `CPhysicsObj::ShouldDrawParticles @ 0x0050FE60` |
| AP-118 | An AutoWield transaction begun in active combat preserves the ready mode implied by the requested weapon. After authoritative `WieldObject`, a mode that settled without a blocker transition clears immediately; local ACE's observed pre-wield transition plus `ready -> NonCombat`, or post-wield `NonCombat -> ready -> NonCombat`, causes one normal `ChangeCombatMode` request from the trailing notice. Explicit user combat input cancels settlement. Retail's client does not need this extra request against the retail server. | `src/AcDream.App/UI/AutoWieldController.cs`; production binding in `GameWindow.cs` | Local ACE queues a trailing NonCombat callback during primary-weapon replacement and rejects an earlier request while the shuffle is busy; responding to the authoritative notice that completes that exact sequence orders the ordinary request after it without suppressing any server state | A non-ACE server that emits a different intermediate sequence can retain the settlement until a later explicit combat request, replacement, or logout clears it; peace-mode equips send none | `CPlayerSystem::AutoWield @ 0x00560A60`; `ACCWeenieObject::ServerSaysMoveItem @ 0x0058DBB0`; ACE `Player_Inventory.TryShuffleStance` / `TryDequipObjectWithNetworking` |
@@ -381,57 +230,18 @@ AP-94..AP-112 for the confirmed retail-UI completion gaps.
| AP-124 | Local ACE omits the new object's CreateObject to the initiating session after `StackableSplitTo3D`, sending only F748 Position for the previously unknown GUID. acdream retains retail's one pending split source/count/time identity for ten seconds and, only for that otherwise-impossible unknown Position, hydrates a canonical clone of the source description with the new GUID and authoritative world placement. | `src/AcDream.App/World/InventoryWorldDropProjectionController.cs`; `src/AcDream.App/UI/ItemInteractionController.cs`; `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` | Nearby/reconnecting clients receive the ordinary CreateObject, while the initiator otherwise cannot render the authoritative object until relog. A server that sends CreateObject never enters this path; the pending identity is consumed before normal hydration and all other unknown Positions remain rejected. | ACE's F748 does not carry WCID or stack size, so an unrelated unknown Position arriving during the exact pending ten-second window could be associated with the split. Retail confirms WCID/count from CreateObject; removing the approximation requires ACE to send that packet to the initiator. | `ACCWeenieObject::UIAttemptSplitTo3D @ 0x0058D850`; `ACCWeenieObject::DeclareValid @ 0x0058E340`; ACE `Player.HandleActionStackableSplitTo3D` / `TryDropItem`; `docs/research/2026-07-26-retail-inventory-placement-and-world-drop-pseudocode.md` |
| AP-125 | Transport control packets (the 2.0 s cumulative AckSequence and the 0.6 s RequestRetransmit) are emitted STANDALONE; retail piggybacks optional headers onto queued outbound packets first-fit (`FlowQueue::CoalesceData @ 0x00547740`, invoked at `TransmitNewPackets @ 0x00547A6E`), and `EnqueueNaks` hands the NAK to `PacketController::EnqueueOptionalHeader @ 0x00543C84` rather than emitting directly. | `src/AcDream.Core.Net/Transport/AckNakScheduler.cs` (`EmitCumulativeAck`, `EmitNakRequest`) | ACE honours a RequestRetransmit ONLY when EncryptedChecksum is absent (NetworkSession.cs:283-284) — a retail-style piggyback onto a sequenced packet encrypts the NAK and ACE silently ignores it, making S2C loss unrecoverable; ACE likewise advances its client-sequence watermark on any packet whose flags are not exactly AckSequence (:474-476), so coalesced control content on a borrowed sequence risks skipping a real packet. Standalone exact-flag emission is the only ACE-safe shape; it also keeps reliable packets free of optional headers, making the resend cache strip provably a no-op. | Slightly higher C2S datagram count than retail (one extra small packet per 2.0 s / per NAK window); marginally more loss exposure for the control packets themselves on a metered path. | `FlowQueue::CoalesceData @ 0x00547740`; `SharedNet::EnqueuePak @ 0x00543B10`; `SharedNet::EnqueueNaks @ 0x00543BD0`; ACE `NetworkSession.cs:283-284,:342-343,:474-476` |
| AP-126 | One monotonic Stopwatch-backed clock (`TransportClock`) drives every transport gate (2.0 s ack, 0.6 s NAK, 0.333 s handshake retry, 0.5 s interval, 5 s assembler sweep); retail splits gates between `Timer::cur_time` (server-adjusted) and `Timer::local_time`. | `src/AcDream.Core.Net/Transport/TransportClock.cs` | The cur/local split only matters for gates that must track server clock adjustments; none of the ported gates semantically depend on server time — they are local cadences. A single injectable source also gives the virtual-clock test seam every conformance suite relies on. | A future port of a genuinely server-clock-relative gate could silently use the wrong clock if it reuses TransportClock without checking this row. | `SharedNet::EnqueuePak @ 0x00543B10` (cur_time); `ClientNet::ProcessConnection @ 0x00545450` (local_time for the 140 s check) |
-| ~~AP-127~~ | **RETIRED 2026-07-31 (#268).** `PlayerSkillMath` now owns retail `CACQualities::InqSkill` ordering for both panel values and Runtime run/jump prediction: intrinsic + positive 0x16D all-skills + the exact +10 category switch, then `EnchantSkill`, then 0x146 Jack of All Trades +5 and specialized-only `2 × 0x158`. Live player PropertyInt changes refresh the immutable Runtime augmentation snapshot. The separately described current-stamina local-copy nuance was re-audited: the query reads current stamina, but ordinary max-vital buffs target the max-secondary key and do not create stamina when current is zero; no independently observable residual remains. | `src/AcDream.Core/Player/PlayerSkillMath.cs`; `src/AcDream.Core/Player/LocalPlayerState.cs`; `src/AcDream.Runtime/Gameplay/RuntimeCharacterState.cs`; `src/AcDream.Runtime/Session/LiveSessionEventRouter.cs` | — | — | `CACQualities::InqSkill @ 0x00592660`; `CACQualities::InqRunRate @ 0x00592800`; `CEnchantmentRegistry::EnchantSkill @ 0x005947B0` |
-| AP-128 | **PK-timer jump-cost clock basis unconfirmed** (filed at the P3 Opus review, 2026-07-30): `PlayerWeenie.JumpStaminaCost` evaluates retail's 20-second PK-recency window (`LastPkAttackTimestamp` PropertyFloat 0x91 + 20.0 >= now) against `Environment.TickCount64` process-uptime seconds. The magnitude argument is sound (a 32-bit float cannot hold a Unix epoch with sub-second precision — a conformance test caught the ±128 s swallow), but the wire timestamp's own basis is the SERVER's, so a cross-base compare is latent. INERT today: ACE models neither property, so `_lastPkAttackTimestamp` is never pushed and the branch never fires. | `src/AcDream.Core/Physics/PlayerWeenie.cs` (`JumpStaminaCost` remarks) | Branch unreachable against every ACE-family server; non-PK cost is bit-identical to pre-P3. The basis question is cdb-answerable (`Timer::cur_time` epoch) if a PK server is ever targeted. | Against a hypothetical server that sends PropertyFloat 0x91, the PK cost bump fires arbitrarily (always/never) instead of on the 20-second window. | `CACQualities::JumpStaminaCost 0x00591b90` pc 412934-412968; `Timer::cur_time`; stat-coupled pseudocode doc §12b |
-| AP-130 | **Filed 2026-08-02 (physics campaign, continuation-executor slice).** The classifier's `HasAnimations` input is the static proxy `(Snapshot.MotionTableId ?? Snapshot.Physics?.MotionTableId) != 0` - "does the Create carry a nonzero motion table" - uniformly for every position source. Retail's `HasAnims` bit is live animation-QUEUE non-emptiness (`CSequence::has_anims` = `anim_list.head_ != 0`), which can differ from mere table assignment. The only confirmed retail `HasAnims` call site on this path is inside `HandleReceivedPosition` itself. **Amended 2026-08-05 (C5b, #275):** the steady-state merge now consumes the SAME static proxy, computed from the pre-merge snapshot with the identical expression, so this row covers both callers. The proxy is deliberately not escalated to a live animation-queue read in that slice. | `src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs` (`ApplyPositionAction`, `hasAnimations` local); `src/AcDream.Runtime/Physics/RuntimeAcceptedPositionRouteRequests.cs` (`Build`, `hasAnimations` local); `src/AcDream.Runtime/Entities/InboundPhysicsStateController.cs` (`TryApplyPosition`, `hasAnimations` local) | Best static proxy available without wiring a live animation-queue read into presentation-independent Position classification; deterministic and testable; gates only `ApplyPlacementFrameBeforeRouting` (placement-FRAME install), never pose or cell placement. | An entity with an assigned motion table but an empty animation queue (or vice versa) gets the wrong placement-frame decision - a one-frame animation-blend glitch on a Position-driven correction where retail would have done the opposite. | `SmartBox::HandleReceivedPosition` 0x00453FD0 (the `HasAnims` gate, pseudo-C ~92992); `CPhysicsObj::HasAnims` 0x0050F770 -> `CSequence::has_anims` 0x00524BD0 |
-| ~~AP-131~~ | **RETIRED 2026-08-05 (C5b, #275).** The unconditional `installPlacementFrame: true, clearParent: true` literals this row described no longer exist. `InboundPhysicsStateController.TryApplyPosition` now computes both flags PRE-MERGE from `(disposition, hasAnimations(old))` — `installPlacementFrame: !force && !hasAnimations`, `clearParent: !force` — which is exactly `RuntimeAuthoritativePositionRouteClassifier.ClassifyAcceptedPosition`'s own `ApplyPlacementFrameBeforeRouting`/`UnparentBeforeRouting` rows. Retail decides both pre-placement writes BEFORE `MoveOrTeleport` is consulted: Gate A 0x0045400C returns at 0x0045409D ahead of `unset_parent` 0x00454129 and ahead of the `HasAnims` `SetPlacementFrame` gate 0x00454137, so neither gate reads the near/far/teleport classification and no route plumbing was required. **This row's predicted retirement mechanism did NOT occur:** it forecast "the legacy caller is deleted at the production cutover, retiring this row by construction", but the caller was CORRECTED, not deleted — the steady-state merge remains a live production Position caller and is now retail-exact. Pinned by classifier-as-oracle matrix tests over {Apply, ForcePosition} x {animated, not} x {parented, not} x {player `0x5…`, creature `0x8…`}, sabotage-verified in both directions on each flag. The static `hasAnimations` proxy itself is unchanged and remains filed at AP-130. | `src/AcDream.Runtime/Entities/InboundPhysicsStateController.cs` (`TryApplyPosition`); `tests/AcDream.Runtime.Tests/Entities/InboundPhysicsStateControllerTests.cs`; `docs/research/2026-08-05-c5b-contract.md` | — | — | `SmartBox::HandleReceivedPosition` 0x00453FD0 (Gate A 0x0045400C returning 0x0045409D; `unset_parent` 0x00454129; the `!HasAnims` `SetPlacementFrame` gate 0x00454137 -> 0x00454142) |
-| AP-132 | **Filed 2026-08-02 (physics campaign, continuation-executor slice). AMENDED 2026-08-05 at the #319 fix — clarifying sentence added distinguishing this row's producer from the CreateObject producer AP-142 clause (f) covers.** acdream gates queued parent relations on parent INCARNATION where retail's queue-by-GUID replay is pointer-only. Retail queues a missing-parent relation blob under the PARENT's GUID (`QueueBlobForObject` ~92326; GUID-keyed `CObjectMaint` placeholder bucket ~271082-271088) and replays it on GUID (re)creation with only an addressability check (~92312) - no PARENT INSTANCE_TS comparison anywhere on that path (retail's only instance check there is on the CHILD, ~92316-92317). acdream additionally compares the relation's `ParentInstanceSequence` at admission (pre-existing `TryApplyParent`/`Resolve` rules) and at executor replay (`ApplyReplayedParentRelation`): live-parent-newer discards, relation-newer stays queued for an exact match. The replay's child-missing arm also drops where retail would re-queue under the child's GUID; child-scoped bucket filtering (`RemoveObject`/`RemoveChild`) proactively covers the same ledger tradeoff. **This row's incarnation gate applies ONLY to the `ParentEvent` wire producer, which NAMES a specific parent incarnation on the wire (`ParentEvent.Parsed.ParentInstanceSequence`) - the gate honors data the server explicitly sent. The CreateObject producer (AP-142 clause (f)) is different in kind: neither a raw CreateObject's `Physics.Parent` nor the same-generation `CreateParentUpdate` envelope carries a parent instance sequence AT ALL, so there is no wire-named value to gate against; that producer LATE-BINDS to the parent's live incarnation instead of gating on a wire value, which is the same "honor what the server actually sent" principle applied to a message that sent no incarnation.** | `src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs` (`ApplyReplayedParentRelation`); `RuntimeEntityObjectLifetime.cs` (`TryApplyParent` admission gate); `ParentAttachmentState.cs` (`Resolve` staleness rules) | The wire event names a SPECIFIC parent incarnation (`ParentEvent.Parsed.ParentInstanceSequence`) - the gate honors data the server explicitly sent. acdream's own established admission-time rules (`ParentAttachmentState.Resolve`, predating this slice) already fixed incarnation-gating as the project's parent-staleness posture; the replay path only extends that SAME posture for consistency. | Server GUID reuse between admission and replay: retail would attach the old queued relation to whatever NEW object now holds the GUID (retail's own recycling quirk); acdream discards it (parent newer) or leaves it queued (parent older) - silent loss of a relation retail would have applied, tied to server GUID-recycling cadence, not ordinary play. | Standalone parent handler 0x004535D0 (~92310-92326); `CObjectMaint::QueueBlobForObject` 0x005092D0 (~271082-271088); child instance check ~92316-92317 |
-| AP-133 | **Filed 2026-08-03 (#282).** A retail `CPhysicsObj` has exactly ONE `cell`; `ShouldDrawParticles` @0x0050fe60 reads that same field and calls `IsInView` on it, and `set_cell_id` @0x0050f4f0 / `change_cell` @0x00513390 are the only things that move it. acdream splits the concept into `WorldEntity.ParentCellId` (render parent, null for outdoor dat stabs and building shells) and `WorldEntity.EffectCellId` (authored landcell for those parentless stabs). Every consumer now resolves through the single `WorldEntity.VisibilityCellId` accessor (`ParentCellId ?? EffectCellId`); live entities carry `ParentCellId` only. | `src/AcDream.Core/World/WorldEntity.cs` (`VisibilityCellId`); writers `LandblockLoader.cs:80,97`, `LandblockBuildFactory.cs:408` | Outdoor dat stabs deliberately keep a null render parent so portal visibility does not filter them as interior geometry, yet retail still gives their physics object a landcell for particle gating. One accessor keeps the two fields from being read in conflicting orders, which is exactly how #282 arose - `EntityEffectPoseRegistry` preferred `EffectCellId` while `WbDrawDispatcher` and the remote spawn seed preferred `ParentCellId`. | A future writer that sets `EffectCellId` on a live entity re-creates #282: it wins `VisibilityCellId` while the 11 per-tick `ParentCellId` writers leave it frozen, stranding that entity's particles and lights on a stale cell so they fail `IsInView` after it crosses a boundary. | `CPhysicsObj::ShouldDrawParticles` 0x0050fe60; `CPhysicsObj::set_cell_id` 0x0050f4f0; `CPhysicsObj::change_cell` 0x00513390 |
-| AP-134 | **Filed 2026-08-03 (#297).** Retail keeps ONE `PublicWeenieDesc::_bitfield` per object and mutates it in place — `SetPlayerKillerStatus` @0x005AC7C0 rewrites bits 5/21/25 (PK `0x20` / Free `0x200000` / PKLite `0x2000000`, mutually exclusive), driven from `ACCWeenieObject::OnStatUpdated` @0x0058DF20 `case 0x86`, and `IsPK`/`IsImpenetrable`/`IsPKLite` @0x0058C8xx read that same field. acdream replicates the value into FIVE stores: `ClientObject.PublicWeenieBitfield` (the source, written only by `ClientObjectTable.UpdateIntProperty` on PropertyInt 134), `InboundPhysicsStateController._snapshots[guid].ObjectDescriptionFlags`, `RuntimeEntityRecord.Snapshot.ObjectDescriptionFlags`, the decoded `ShadowObjectRegistry` registration + per-cell `ShadowEntry.Flags`, and the local player's `RuntimeMovementSkillState` own-PWD bitfield. Coherence is maintained by two `ObjectUpdated` subscribers (`RuntimeEntityPvpBitfieldSnapshotSync` for the two snapshot stores, `LiveEntityPvpBitfieldSync` for the decoded shadow flags) plus the appearance-rebuild path re-deriving from the snapshot. The two shadow-flag writers are the SAME invalidation applied at the two edges that can invalidate it, not competing authorities. | `src/AcDream.Runtime/Entities/RuntimeEntityPvpBitfieldSnapshotSync.cs`; `src/AcDream.App/Physics/LiveEntityPvpBitfieldSync.cs`; source writer `src/AcDream.Core/Items/ClientObjectTable.cs` (`UpdateIntProperty`, PropertyInt 134); decode `EntityCollisionFlagsExt.FromPwdBitfield` | ACE never re-sends a `PublicWeenieDesc` after login (`EnqueueBroadcastUpdateObject` has zero live callers), so PropertyInt 134 over 0x02CE/0x02CD is the ONLY signal a PK status changed — a client cannot learn it from the bitfield itself. The replication exists because acdream separates wire snapshots, canonical records, and the collision shadow registry, which retail does not; each layer needs the decoded value at a different lifetime. Before #297 the snapshot stores were immutable wire captures; this commit is what converts them into write-through caches, and therefore what creates the invariant. | Any future write path that sets `ClientObject.PublicWeenieBitfield` outside `UpdateIntProperty`, or any NEW decoded cache of the PK bits, silently re-creates #297: the player walks through PKLite opponents and melee/missile admission refuses them, with no test failing. Note the same class already exists one field over — `Properties.Ints[134]` is written by `UpsertProperties` (PlayerDescription 0x0013) and `UpdateProperties` (IdentifyObjectResponse) WITHOUT mirroring into the bitfield (#300), and retail's `OnStatUpdated` also rewrites `_blipColor` (`case 0x5f`) and `_radar_enum` (`case 0x85`) which acdream ignores entirely (#301). | `PublicWeenieDesc::SetPlayerKillerStatus` 0x005AC7C0; `ACCWeenieObject::OnStatUpdated` 0x0058DF20 (`case 0x86`); `ACCWeenieObject::IsPK`/`IsImpenetrable`/`IsPKLite` 0x0058C8xx; retail `PKStatusEnum` `acclient.h:6412-6427` |
-| AP-135 | **Filed 2026-08-03 (C4 route 4a).** Retail `CPhysicsObj::MoveOrTeleport` 0x00516330 writes NOTHING on the airborne no-op (`arg4 == 0` -> `return 0` @0x0051636D), and `SmartBox::HandleReceivedPosition` 0x00453FD0 skips `ConstrainTo` with it (@0x00454272 sits inside `if (MoveOrTeleport(...) != 0)` @0x00454254). acdream honours that for every retail-modeled write — body pose, interpolation queue, leash, render entity, collision shadow, and the AP-80 velocity-derived animation cycle — but deliberately KEEPS two acdream-only per-packet bookkeeping writes on that branch: `RemoteMotion.CellId = wire landblock` and the `LastServerPos`/`LastServerPosTime` sample. This was pre-existing player-remote behaviour; route 4a extends it to NPC remotes so both arms are identical | `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` (`OnPosition`, both remote airborne-no-op returns) | The cell id is what acdream's OWN per-tick free-fall `ResolveWithTransition` sweep gates on (`rm.CellId != 0`); without it an airborne remote's sphere sweep is skipped and it falls through the floor (#42's neighbourhood). The server sample is what the first grounded packet after the arc synthesizes its velocity from; dropping it would make that velocity span the whole jump. Neither is a retail `CPhysicsObj` field being written | A remote's cell membership tracks the server's landblock during an arc where retail would keep the cell its own physics last resolved. Visible only if the server's mid-arc landblock disagrees with the client's swept cell — the wire cell is authoritative in every case acdream has observed. Retire together with the free-fall sweep gate, when the remote arc is resolved by the same transition machinery the local player uses | `CPhysicsObj::MoveOrTeleport` 0x00516330 (@0x0051636D `return 0`); `SmartBox::HandleReceivedPosition` 0x00453FD0 (@0x00454254/@0x00454272) |
-| AP-136 | **Filed 2026-08-04 (C4 route 4b-1 review). AMENDED 2026-08-04 (cancelled-park presentation rollback): this row's central claim — "the entity becomes VISIBLE IMMEDIATELY at the committed destination pose" — was true only of the CANONICAL half until that fix, and the gap was a defect, not a divergence.** `ParkDeferred` publishes a `Withdraw` receipt whose presentation half the host sink performs (graphical bucket, projection visibility, plugin world state/events, effect-pose registry, local-player shadow, selection), and `RestoreParkWithdrawal` cannot reach any of it. Its only mirror image was a LATER `Place`, which a remote that parks on its final Position and then stops moving never receives, because ACE stops broadcasting for a stationary entity — so the entity was left simulated, collidable, and audible while ABSENT from both the world render and the radar for the rest of the session. The rollback now publishes `RuntimePlacementProjectionKind.WithdrawalRestored` on the same ordered receipt stream, gated on the entity ending the rollback canonically whole (`FullCellId != 0` and `InWorld`) — deliberately NOT on this row's residency arm alone, which the shipped graphical remote path correctly skips because its per-packet prologue rebucket already recommitted a non-zero `FullCellId`. The AP-136 residual below is unchanged and is now actually observable. Selection alone is not re-established: see AD-63. Retail has NO cancel for a lost-cell park. `CPhysicsObj::SetPositionInternal` @0x00515BD0 commits the destination pose with `store_position` @0x00515CE2 and registers the object via `CObjectMaint::GotoLostCell` @0x00515CF2 (@0x00508210); the registration is removed by exactly one thing, `CObjectMaint::InitObjCell` @0x00508260, which drains the lost list on cell load and calls `CPhysicsObj::reenter_visibility` @0x00508296 (@0x00516250) to re-place at the committed pose. An update that performs no SetPosition leaves the registration untouched, so retail keeps the object HIDDEN until its cell loads. acdream's accepted-Position merge cancels the park instead (a shipped, tested invariant), so on cancel we roll the withdrawal back — `InWorld`, object clock, canonical residency — and the entity becomes VISIBLE IMMEDIATELY at the committed destination pose, uncollidable until its landblock publishes. The pose itself is retail-exact and is deliberately not rolled back. The `ShadowObjectRegistry.Suspend` applied by `WithdrawCanonical` is also not lifted, because un-suspending needs a real placement dispatch (`ReplacePositionRows`); the entity rejoins the broadphase on its next placement | `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs` (`ParkDeferred`'s `restorableOnCancel`, `Forget`, `RestoreParkWithdrawal`) | The alternative — leaving the cancelled park's withdrawal in place — strands the entity invisible AND intangible for the rest of the session, because `CancelCoreDeferred` restores none of it and the operation that was the only thing able to wake it is gone. Restoring at the pre-park pose was tried and is wrong: retail commits the destination pose, and route 2's tests pin that the pose survives the cancel. Restore covers the plain unplaceable-destination park and — **narrowed 2026-08-04 at the C4 route 4b-2 delta review, then relocated at that slice's round 3** — `SubmitPreparedPlacementCore`'s two collision-prefix-QUIESCENCE parks. **Corrected round 4 (D1): NOT "unconditionally" for any of the three.** Since the relocation, the same post-snap quiescence test gates EVERY park including the plain one, which the row's own next sentences already described; the word contradicted them. The original blanket "no quiescence park is restorable" was over-broad: its stated reason — re-admitting a spatial root into a retiring prefix blocks the retirement — is exact for `ParkCollisionResidents`, where the entity's OWN cell is retiring, but `TryGetBlockingQuiescence` also fires on prefixes the placement merely TOUCHES (any `QueriedCellIds` entry, i.e. a NEIGHBOUR landblock the sweep crossed a seam into; and the request's `CurrentCellId`, which on a FIRST submit names the destination rather than the departed source because both accepted-Position callers commit the accepted wire cell to `record.FullCellId` before submitting — scoped at round 4 (D5): a retained retry re-submits with no fresh merge, and a non-Position rebucket writer (the projection materializer `DatLiveEntityProjectionMaterializer` — C4 route 4b-3 deleted the second shipped writer, `RemoteTeleportController`'s rollback, and C4 route 7 D4 demoted the third, the equipped-child renderer `EquippedChildRenderController.TickChild`, to a presentation-only bucket move that no longer touches `record.FullCellId`) can rebucket that field to a third landblock, so the arm is live). The decision is taken inside `ParkDeferred`, AFTER `SnapToCell`, as `!IsCollisionPrefixQuiescing(body.CellPosition.ObjCellId)` — the cell `RestoreParkWithdrawal` will actually restore residency into, tested against EVERY live quiescence rather than against the single minimum-`OperationId` token `TryGetBlockingQuiescence` happened to return, and read after `LandDefs.AdjustToOutside` may have moved it (the reachable half of that, and the one a test now pins, is the re-derived cell: a wire (cell, position) pair whose position lies past its own named block's seam is exactly the pair #107's re-derivation distrusts, and it lands residency in a NEIGHBOUR landblock — see `QuiescingOwnPrefix_SeamCrossingParkIsRestoredAtTheReDerivedNeighbourCell`). A cell id of 0 is `AdjustToOutside`'s map-edge failure sentinel, never landblock (0,0), so the map is not consulted with it (C3c-F3). **Round 4 (D6) added the same test at RESTORE time**, in `RestoreParkWithdrawal`'s residency arm: the park-time answer is a snapshot, and route 2's park is RETAINED until the next packet's merge-time `Forget` ~150 ms later, so a prefix clean when the park was taken can be quiescing when the rollback runs. The `InWorld`/transient/clock half is still restored unconditionally — it is per-entity simulation state, not a claim on any landblock's collision generation. So the rollback re-admits nothing into ANY quiescing prefix, at the moment it actually writes residency rather than only as of when the park was taken, while leaving these parks non-restorable stranded the entity `InWorld = false` / clock suspended / not a spatial root with the only operation able to wake it destroyed by its own next accepted Position. A retirement park (`ParkCollisionResidents`) is still never restored, and now says so explicitly rather than relying on a parameter default | A remote — or the LOCAL PLAYER, which traverses the same shared core through route 2 — that teleports into a non-resident landblock and then STOPS MOVING stays visible at the destination without collision, where retail would hide it and re-show it on cell load — ACE stops broadcasting for a stationary entity, so no later packet corrects it. At 5-10 Hz the ordinary case is superseded within ~150 ms. Retire by making the park SURVIVE cancellation (issue #309), which is blocked on re-deciding the newer-Position-cancels-the-park invariant pinned by `NewerPositionPickupAndParentEachCancelExactLostOperation` and on teardown convergence. **ACCEPTED AS A STANDING DIVERGENCE 2026-08-06 (user decision): #309 is DEFERRED, not planned.** The retail-faithful survive-cancellation end state was implemented and reverted this round; landing it costs reversing that deliberate shipped invariant plus `GameRuntime` teardown convergence (stage 10, where surviving parks never converge on shutdown), and the observable requires a remote to teleport into a non-resident landblock AND then stop moving. This row is therefore the permanent record rather than a staging note — do not re-open the retirement without new evidence that the observable occurs in ordinary play, or unless the teardown-convergence work lands for another reason. **The deferral does not cancel this row's connected check**, which validates the SHIPPED rollback path, not the deferred fix. **This row carries a user-observable change to shipped paths** — `restorableOnCancel: true` sits in `SubmitPreparedPlacementCore`, the shared core behind every production placement — so it needs the two-client connected check written up in #309 — **rewritten by this slice, not merely extended (round-4 D2 correction: this summary used to describe only the original three remote steps plus "route 2's corrections are unchanged", which no longer matches the issue's own body)**. #309 is now six steps run with `ACDREAM_PROBE_PARK=1`: the three original remote-park steps, plus a quiescing swept-NEIGHBOUR step and a quiescing-DESTINATION step that both exercise the LOCAL PLAYER through route 2 and both carry a stated `[park]`/`[park-restore]` confirmation signal (a quiescence window cannot be synchronised by hand, so without one the step passes while broken), plus the unchanged-ordinary-correction step. Step 5 also asks the tester to confirm the destination landblock's retirement still COMPLETES, and states correctly that the deliberately non-restored park does NOT recover on the next ordinary Position | `CPhysicsObj::SetPositionInternal` @0x00515BD0 (@0x00515C1D/@0x00515CDA/@0x00515CE2/@0x00515CF2/@0x00515CF7/@0x00515D07); `CObjectMaint::GotoLostCell` @0x00508210; `CObjectMaint::InitObjCell` @0x00508260 (@0x00508296); `CPhysicsObj::reenter_visibility` @0x00516250 |
-| AP-137 | **Filed 2026-08-04 (C4 route 4b-2); rewritten 2026-08-04 at the dual Opus review; REWRITTEN AGAIN 2026-08-04 (C4 route 4b-3) — the cell-less enqueue-vs-place delta this row existed to record is RETIRED, not merely re-scoped: the teleport arm now ports retail's `teleport_hook` verbatim and places unconditionally through the canonical Runtime placement owner, exactly like retail's `this_1->cell == 0` @0x00516386 branch. What survives is the two acdream-only divergences retail has no state for at all.** acdream can classify a remote's accepted Position into two states retail cannot reach, sharing ONE stated handler (`RuntimeRemoteFarSnapPosition.ResolveArm`'s `UnroutedCatchUp`, AP-87's shared `ApplyInterpolate` catch-up) instead of a duplicated near/far block. The states: (a) **no classification at all** — `RuntimeAcceptedPositionRouteRequests.TryBuild` refuses to fabricate a local-player position, so `ClassifyRemoteAcceptedPosition` returns null for EVERY remote packet until the local movement controller exists (the login window) and whenever the canonical record has not claimed a local id; **route 4b-3 adds two more null-producing reasons** — the merge observed no PRIOR canonical record for this entity, so the classifier has no honest pre-merge cell to feed the teleport predicate and declines rather than fabricate one (D1); and the dormant initial-residence enqueue path (`RuntimeEntityObjectLifetime.TryApplyPosition`'s `EnqueueDormant` return, reached BEFORE the method's own `PreMergeCommittedCellId` write), whose timestamps therefore always carry `PreMergeCommittedCellId: null` too — fix round 2026-08-04 (R8), unverified from static reading whether `OnPosition` reaches `ClassifyRemoteAcceptedPosition` for an enqueued packet at all, stated honestly rather than guessed; (b) **`RejectedAuthority`/`RejectedData`** — acdream validates wire authority and payload finiteness, retail validates neither. **D1 — the visibility arm is deleted, not merely narrowed.** Before 4b-3, `LiveEntityRuntime.TryApplyPosition` computed `projectionRequiresTeleportHook` as `pre-merge FullCellId == 0 OR !IsSpatiallyProjected OR !IsSpatiallyVisible` — a presentation predicate with NO retail analogue, since retail's `MoveOrTeleport` never reads visibility. That whole computation, the lifetime parameter, and the headless `false` argument are deleted; a not-visible remote's Position now classifies purely by distance/contact like any other, and visibility is presentation-only. **D2 — the wire-airborne leftover shape.** After the teleport/cell-less classification moves onto its own arm, a packet whose classification is null/`RejectedAuthority`/`RejectedData` AND whose wire contact bit is clear takes retail's return-0 shape: AP-135's two bookkeeping writes only (server-cell adopt, `LastServerPos`/`LastServerPosTime`), no body/queue/render write, no leash arm. This deletes the legacy player-arm fallback's entity-revert quirk (`entity.SetPosition(rmState.Body.Position)`) and unifies player and NPC remotes on one behaviour. **R3 (retained from the prior rewrite) — `RejectedData` is APPLIED anyway** when grounded. It is the one classification meaning "this payload failed validation" (`ClassifyAcceptedPosition` emits it for a `ValidPosition` failure and for a non-finite/negative derived `player_distance`), and `UnroutedCatchUp` hands the same payload to `ApplyInterpolate`. Not a regression — the legacy block did the same. **Headless (contract item 6) is satisfied vacuously and that is stated, not implied:** nothing in `AcDream.Headless` constructs `RuntimeRemotePlacementDriveController` (`SessionPlayerComposition` is the only construction site) and `RuntimeLiveEntitySessionController.OnPositionUpdated` returns early for every non-local GUID, so both the far snap and the teleport arm are graphical-host-only paths | `src/AcDream.Runtime/Physics/RuntimeRemoteFarSnapPosition.cs` (`ResolveArm`, `RuntimeRemoteAcceptedPositionArm.UnroutedCatchUp`); `src/AcDream.Runtime/Physics/RuntimeRemoteTeleportPosition.cs` (`OwnsTeleportPlacement`, the retired predicate's replacement); applied at `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` (`ApplyRemoteContactRouting`'s teleport check and default arm, the D2 wire-airborne shape); headless statement on `IRuntimeRemotePlacementServiceWindow` | AP-87's own snap conditions (`firstUp \|\| !willBeDrTicked \|\| bodyToTarget > 4 m`) still PLACE an unplaced or badly-lagging body for the two survivors, so a remote keeps tracking the server through the login window and through a rejected packet | The two survivors are unaffected by 4b-3: a leftover-classified remote beyond 96 m that is already tracking catches up over a packet interval instead of snapping — invisible in practice at that range. If AP-87's 4 m backstop were ever weakened, this arm would become a silent-freeze path | `CPhysicsObj::MoveOrTeleport` 0x00516330 (@0x00516386 cell-0/teleport — now ported, @0x005163AF near, @0x005163C1-E8 far); `CPhysicsObj::teleport_hook` @0x00514ED0; `RuntimeAcceptedPositionRouteRequests.TryBuild`; `GameRuntime.cs:288-290` (the no-fabricated-Vector3.Zero rule) |
-| AP-138 | **Filed 2026-08-04 (C4 route 4b-2, dual Opus review).** Retail's remote far snap is unconditional and unrefusable: `CPhysicsObj::MoveOrTeleport` @0x005163D9 calls `SetPositionSimple`, discards its `SetPositionError`, and returns 1 @0x005163E8, so `SmartBox::HandleReceivedPosition` arms `ConstrainTo` @0x00454272 every time. acdream's far snap is a canonical Runtime placement that can decline for reasons retail has no analogue for, and this row records the complete residual. **(1) An outcome that never reached the engine is a `store_position`; one that did is not.** Retail's `SetPositionInternal` @0x00515BD0 has exactly two shapes and acdream now represents both (**corrected 2026-08-04 at the delta review, which found the first version of this row asserting — wrongly — that no acdream non-commit outcome could represent the second**). STORES, because the resolve never ran: `Refused` (the pre-flight declined the destination), `Contention` (another authority owns the operation, or the Setup/world-frame preparation is retryable), `RejectedPreparation` (`RejectedAuthority`/`InvalidData` — preparation refused before anything was submitted), and `NotApplicable`. For those `ApplyAcceptedRemoteFarSnap` writes the accepted destination pose to the canonical body, exactly as retail commits it on the no-transition branch — `prepare_to_leave_visibility` @0x00515CDA, `store_position` @0x00515CE2, `GotoLostCell` @0x00515CF2, `return 0` @0x00515D07 — so the remote keeps tracking the server at 5-10 Hz, at the destination, with no resolved cell; retail would additionally have hidden it until cell load, which is AP-136's scope, not this one. DOES NOT STORE, because the resolve DID run and refused: `RejectedByPlacement` (`PhysicsEngine.SetPosition` returned a non-Ok error, acdream's port of retail's `CheckPositionInternal == 0` @0x00515C85/@0x00515CD5 and `curr_cell == 0` @0x00515C8F/@0x00515CB2, neither of which stores; or authority displaced after the engine ran, which includes the `CommitCanonical`-already-settled shape) and `Deferred` (Core parked, and `ParkDeferred` has ALREADY snapped the body to the parked result — the accepted destination for the pre-sweep park, the collision-settled `spherePath.CurPos` for the post-sweep one — which `RestoreParkWithdrawal` deliberately leaves alone). **(2) A quiescence park a far snap can provoke is now restorable at the source, not refused by a pre-flight.** **Rewritten 2026-08-04 at the delta review.** `CanAttemptDestination` (service window + Core's own `IsCollisionPrefixQuiescing`) reads ONE prefix, the destination's, and stays as an optimisation. It cannot be the correctness mechanism: Core's `PlacementTouchesPrefix` also matches the request's `CurrentCellId` (see the round-3 measurement below for what that arm actually names), and `ResultTouchesPrefix` scans every `QueriedCellIds` entry, a sweep footprint that spans NEIGHBOUR landblocks (`CellTransit.AddOutsideCell` re-derives the block id from the global lcoord and has no same-block filter) and does not EXIST until the sweep has run. Worse, the post-sweep check is `result.IsSuccessful && TryGetBlockingQuiescence(result, …)` and sits ahead of the restorable `result.IsDeferred` park, so a healthy about-to-COMMIT far snap near a seam was rewritten to `DeferredCell` and parked non-restorably. The fix is in `SubmitPreparedPlacementCore`: both quiescence parks are restorable, and `ParkDeferred` decides safety on the cell it will actually restore into — see AP-136 for the exact predicate and for why it does not re-open the retirement stall AP-136's blanket scoping was protecting against. On a FIRST submit the `CurrentCellId` half of `PlacementTouchesPrefix` is NOT the "source landblock a far snap is leaving": both accepted-Position callers committed the accepted wire cell to `record.FullCellId` before submitting (the graphical remote path through `LiveEntityRuntime.RebucketLiveEntity` in its shared prologue, route 2 through the merge), so that arm named the destination — measured 2026-08-04 at round 3. **AMENDED 2026-08-05 at the C5b architecture review: the route-2 half of that measurement is now STALE and the two callers no longer agree.** C5b made the merge withhold the wire cell (AD-60), and route 2 submits from `TryExecuteAcceptedLocalPosition` BEFORE the `OnPosition` prologue rebucket (W2) it returns ahead of — so on a route-2 FIRST submit `PlacementTouchesPrefix`'s `CurrentCellId` arm now names the SOURCE landblock the local player is leaving, not the destination. The graphical REMOTE half is unchanged: its prologue rebucket still runs ahead of the far-snap submit. The consequence is confined to which prefix the quiescence pre-flight matches, which this row's own part (2) already established cannot be the correctness mechanism (`SubmitPreparedPlacementCore`'s restorable parks are); it widens rather than narrows the set of prefixes a local force can be parked against. **Scoped at round 4 (D5): that is a first-submit property only, and the arm is live rather than dead code.** A RETAINED operation re-submits from its own cadence pump with no fresh merge (both drives re-read `record.FullCellId` at submit), and the surviving non-Position rebucket writer (the projection materializer — C4 route 4b-3 deleted the second shipped writer, `RemoteTeleportController`'s rollback, and C4 route 7 D4 demoted the third, the equipped-child renderer, to a presentation-only move that no longer touches `record.FullCellId`) can rebucket it to a third landblock, so a retry can genuinely name a third landblock — which `CanAttemptDestination`'s own doc already said and the two summaries elsewhere contradicted. **(3) The leash is not armed through a superseded incarnation.** Retail arms unconditionally on the nonzero return; acdream re-validates position ownership after the placement (the receipt is published synchronously and the projection sink can replace or delete the incarnation from inside it) and returns without arming if the owner moved. Both remote arms now run that check BEFORE their arming call — the player arm used to arm first, the NPC arm second, and one of the two mirror images had to be wrong | `src/AcDream.Runtime/Session/RuntimeRemotePlacementDriveController.cs` (`RuntimeRemotePlacementExecutionStatus` + `StoresAcceptedDestination`, `ApplyAcceptedRemoteFarSnap`, `StoreAcceptedDestinationPose`, `Advance`'s window-drop path, `CanAttemptDestination`, `SubmitAndResolve`); `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs` (`ParkDeferred`'s post-snap restorable decision and the two `SubmitPreparedPlacementCore` quiescence parks); `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` (both arms' re-validate-then-arm order) | The alternative to (1) is the shipped pre-review state: an emptied interpolation queue plus a stale body pose, i.e. a frozen remote that the next packet reproduces identically, since nothing about a refusal reason changes at packet cadence. That is strictly further from retail than either the deleted legacy block (which always tracked) or retail itself. The alternative tried and rejected in between — storing on EVERY non-commit outcome — is worse still in the other direction: it teleports the canonical body into a destination the engine's own sweep just refused, and overwrites a freshly settled pose (contact plane, step-down) whenever `CommitCanonical` landed and only the projection ownership was displaced. The alternative to (2) — keeping the pre-flight as the correctness mechanism and widening it — is structurally impossible, because the swept footprint half of Core's predicate does not exist until the sweep has run; the alternative of leaving the parks non-restorable strands the remote outright. The alternative to (3) — arming a leash on a host that is no longer the entity's canonical position owner — is a write through superseded state, the exact class the re-validation exists to prevent, and retail has no superseded-incarnation state for its unconditional arm to arbitrate | A remote whose destination this host cannot place into keeps moving and rendering but does not become collidable or cell-resident until a later packet commits — it can be walked through at range. Bounded by the 5-10 Hz packet stream and by how long the destination stays unpublished/quiescing. A remote whose destination the ENGINE refuses, or whose commit was displaced, keeps its last resolved pose for that packet instead of tracking — retail-exact, but it means a remote can look one packet stale near geometry it cannot be placed into. A quiescence park whose blocking prefix is a swept neighbour re-shows the entity immediately at the destination rather than hiding it until cell load (AP-136's own residual, now reachable through this path and through route 2's local-player corrections). **C4 route 4b-3 adds a second producer of the visible-without-collision shape in item (1)'s storing list**: the teleport arm inherits the identical store-and-stay-visible residual for the same reasons — a remote that teleports into a non-published landblock and stands still is visible but not collidable until a later packet commits. No new machinery; the retirement path is the same #309. A superseded incarnation's leash is left unarmed for one packet; the replacement incarnation arms its own on its next accepted Position. Retire (1) by making the far arm's failure path open retail's lost-cell registration instead of a bare pose write, which is issue #309's territory (the park must survive cancellation first) | `CPhysicsObj::MoveOrTeleport` 0x00516330 (@0x005163D9, @0x005163E8); `CPhysicsObj::SetPositionSimple` @0x005162B0 (flags `0x1012` @0x005162C4); `CPhysicsObj::SetPositionInternal` @0x00515BD0 (@0x00515C1D, @0x00515CDA, @0x00515CE2, @0x00515CF2, @0x00515CB2, @0x00515CD5, @0x00515D07); `SmartBox::HandleReceivedPosition` @0x00453FD0 (@0x00454254, @0x00454272) |
-| AP-139 | **Filed 2026-08-04 (Bug B).** The remote tick clears its InterpolationManager queue on the LANDING edge — retail’s own `set_on_walkable(1)` transition, the same edge HitGround fires from. Retail has no such clear on a ground or contact edge: its only queue teardown outside a completed walk is `PositionManager::StopInterpolating` from `CPhysicsObj::teleport_hook` @0x00514EFD and the `InterpolationManager::UseTime` @0x00555f20 stall/autonomy blips. The clear is carried over unchanged in intent from the deleted hand-rolled landing block (#184, 2026-07-07), which hung it on a hand-rolled `Airborne && IsOnGround && Velocity.Z <= 0` test that also fired on a steep (non-walkable) contact; Bug B re-derived the edge without changing the behaviour it was written for | `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs` (the SetPositionInternal commit block); the packet-side twin lives in `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` (`OnPosition`, the player-remote landing snap) | A contact-free arc never enqueues — route 4a's airborne no-op writes nothing at all — so anything still queued when the body lands is a pre-arc waypoint, and the first catch-up after touchdown would otherwise walk the body backward toward it | A remote that regains contact while a legitimately fresh waypoint is queued loses one correction and re-acquires it on the next accepted Position (~5-10 Hz). A body that repeatedly loses and regains contact (a bounce chain down a rough face) clears the queue once per bounce. Retire when the arc itself feeds the queue, at which point the pre-arc waypoints are no longer stale | `CPhysicsObj::teleport_hook @ 0x00514ED0` (`StopInterpolating` @0x00514EFD); `InterpolationManager::UseTime @ 0x00555f20`; `CPhysicsObj::SetPositionInternal @ 0x00515330` |
-| AP-181 | **Filed 2026-08-09 (Campaign CH slice CH3, side-channel gate); corrected 2026-08-09 at the CH3 Opus review (S6) — the original text named only the spam throttle and wrongly credited `RouteLegacyChannel` with porting gates it has no code for.** Retail's `SendTurbineChat @0x0057db10` runs TWO local pre-send refusals acdream has no port for, in this order: `IsMessageSafe(text)` first (a silent drop — no wire send, no local text at all), then, only if that passes, the per-account spam throttle `IsMessageSpam()` (→ "You must wait %ds before communicating again!"). acdream's `TurbineChatMembershipGate`/`RouteTurbineChat` port the Turbine-unavailable and Hear-option gates that run BEFORE both checks in retail's own function (§4.2) and stop there — neither `IsMessageSafe` nor `IsMessageSpam` exists anywhere in acdream. `RouteLegacyChannel` is the unrelated legacy 0x0147 `ChatChannel` pipeline and has no equivalent of either check in retail OR acdream — it was never the site these two gates belonged to. | `src/AcDream.Runtime/Gameplay/TurbineChatMembershipGate.cs`; `src/AcDream.App/Net/LiveSessionCommandRouter.cs` (`RouteTurbineChat`) | The user's target server (local ACE) leaves `chat_requires_account_15days`/`chat_requires_player_level` etc. at their disabled defaults (research doc §3.6) and has no observed rate-limit or unsafe-content complaint; porting a client-side throttle/safety check with no server-side counterpart to validate against risks inventing a threshold retail didn't use. | A future connected gate against a server that DOES rate-limit chat, or a deliberately unsafe test string, would see every send attempted rather than refused after the first — cosmetic only, since ACE's own server-side handling (if any) still governs what actually reaches other players. | `ClientCommunicationSystem::SendTurbineChat @0x0057db10` (`IsMessageSafe`/`IsMessageSpam` branches); research doc `docs/research/2026-08-09-chat-side-channels-vs-ace.md` §4.2 |
-| AP-182 | **Filed 2026-08-09 (Campaign CH slice CH4); corrected 2026-08-09 at the CH4 REJECT-review (nit 11).** `@title ` is wired to a pure no-op — `LiveSessionRuntimeFactory`'s `SetChatTitle` binding is `_ => { }`; the requested title is neither stored nor consumed anywhere (the original filing's "stores the value locally" claim was false). This matches retail's own silent success (no confirmation text was recovered at the `DoTitle` success site, so a no-visible-effect accept is exactly as faithful as a stored-but-unread value would be). Also omitted: `DoTitle`'s three local failure messages — no title given, "You must provide a new title for the window."; length over 99 characters, "Window title length cannot exceed 100 characters."; and wrong source window (`m_idCurrentCommandSource` 1 or 8), "This command must be issued from a popup chat window." — acdream's catalog validator (`ClientCommandId.SetChatTitle`, `AnyArguments`) accepts any argument shape and never raises any of the three. `src/AcDream.App/Net/LiveSessionRuntimeFactory.cs` (`SetChatTitle`) | Retail's chat window presumably re-renders its title bar text; acdream's chat window has no title bar at all under the current retained-UI import, so there is nothing to visually diverge from yet | Once a titled chat-window chrome is built, `@title` needs to be re-wired to it — today it is a pure no-op, and the three failure messages above are silently absent | `ClientCommunicationSystem::DoTitle @ 0x0057A640` |
-| AP-187 | **Filed 2026-08-10 (Campaign CH slice CH6b — floating chat windows). BROADENED 2026-08-11 at Campaign OP slice OP5 (Chat tab): the divergence now covers the MAIN chat window's filter too (`ChatSettings.ChatWindowMainFilter`), and the write path is no longer mount-time-seed-only — the retail Options panel's Chat tab (`ChatOptionsPageController`, five `UiCheckboxBitfield64` blocks) is now a LIVE editing surface for all five windows' filters, writing `ChatWindowState.SetFilter` directly and persisting on every change via `RetailUiRuntime.SaveChatWindowFilters`, closing that method's own former "worth tightening to auto-save-on-change once a live settings surface exists" note.** The five chat windows' (main + four floating) text-type filters (`AcDream.Core.Chat.ChatWindowState`, retail's `0x1000007F` per-window option) persist only in local `settings.json` (`ChatSettings.ChatWindowMainFilter`/`ChatWindow1Filter`..`ChatWindow4Filter`, `SettingsStore.LoadChat`/`SaveChat`). Retail's authoritative store for this same data is the per-window option array (`0x1000008C`) packed inside the character-scoped `GameplayOptions` blob, which ACE stores and echoes as opaque bytes without parsing (window-shell research doc §4.1/§4.4); acdream has no reader or writer for that blob (CH3 already deleted one malformed attempt at the outbound `SetCharacterOptions 0x01A1` builder — `SocialActions.cs`). Geometry and open/visible state for these same windows do NOT need a row of their own: they persist through the pre-existing generic `RetailWindowLayoutPersistence` path (X/Y/W/H/visible/collapsed/maximized per window name), which is retail's OWN local-file mechanism too (`gmGamePlayUI::SaveScreenLayout`/`LoadScreenLayout`, window-shell research doc §4.3) — only the filter mask lacks any such local-file precedent in retail and is acdream's own addition to make the feature usable before a `0x1000008C` wire slice lands. `src/AcDream.UI.Abstractions/Panels/Settings/ChatSettings.cs`; `src/AcDream.UI.Abstractions/Panels/Settings/SettingsStore.cs` (`LoadChat`/`SaveChat`/`BuildChatObject`); `src/AcDream.App/UI/RetailUiRuntime.cs` (`MountChat`, `MountFloatingChatWindows`, `SaveChatWindowFilters`); `src/AcDream.App/UI/Layout/ChatOptionsPageController.cs` | CH6a/CH6b's own port-shape recommendation (window-shell research doc §6.1) explicitly chose local persistence first and deferred the `0x1000008B`/`0x1000008C` wire to a dedicated CH6f slice, citing CH3's deleted malformed builder as the reason not to rush it | A character's floating-window filter customization does not travel to a different acdream install, and would not round-trip through a retail client sharing the same character (retail would see acdream's local-only values as unset, falling back to its own `PostInit` defaults) — cosmetic/preference-only, no gameplay effect | `PlayerModule::GetChatOptionStructure @0x005D5300`; `PlayerModule::InqChatWindowOption/SetChatWindowOption @0x005D5540/:70`; `docs/research/2026-08-09-chat-retail-window-shell.md` §4.1/§4.4/§6.1; `docs/plans/2026-08-09-chat-parity-campaign.md` (CH6f row) |
-| AP-188 | **Filed 2026-08-10 (Campaign CH slice CH6b — floating chat windows).** A floating chat window's chat entry always sends on the `Say` channel (`FloatingChatWindowController.Bind`'s `OnSubmit` hardcodes `ChatChannelKind.Say`). The floaty LayoutDesc (`0x2100005B`) authors no talk-focus menu (window-shell research doc §2.2 — only the main window's layout has one, element `0x10000014`), so there is no visible channel picker on a floaty window either way, matching retail's authored UI exactly. What is UNVERIFIED is whether retail's actual SEND path for a floaty window's typed message reads a per-window channel or the single globally-current talk-focus channel/target the main window's menu (or the last-selected/last-speakable-target state `gmMainChatUI::UseTime @0x004CDB20` tracks) last set — if the latter, a real retail floaty window would send on whatever channel the player most recently picked from the MAIN window, not always `Say`. Confirming this requires tracing `gmCCommunicationSystem`'s send-command path from a floaty `ChatInterface` instance, not yet done. Filed as ISSUES.md #369. `src/AcDream.App/UI/Layout/FloatingChatWindowController.cs` (`Bind`, the `OnSubmit` wiring) | Building genuine cross-window shared-channel state (reading `ChatWindowController`'s private `_activeChannel` from four independent sibling controllers, or promoting it to a shared owner) is a real design decision outside this slice's explicit scope (task items 1-6 do not ask for cross-window channel sharing); `Say` is retail's own default channel and the safest fixed value absent confirmation | If retail's actual mechanism is "send on the currently-selected global channel," a user who selects e.g. Fellowship from the main window's talk-focus menu and then types into a floaty window would see it sent as Fellowship in retail but as Say in acdream — no data loss (the message still sends), only channel-selection mismatch | `gmMainChatUI::InitTalkFocusMenu @0x004CDC50`; `gmMainChatUI::UseTime @0x004CDB20`; `docs/research/2026-08-09-chat-retail-window-shell.md` §2.2 |
-| AP-189 | **Filed 2026-08-10 at the CH6a/b REJECT-review rework (SHOULD-FIX 5, `docs/research/2026-08-10-ch6ab-review-findings.md`).** Retail keeps a PER-`ChatInterface` `m_chatLog`, truncated at 10,000 lines (`ChatInterface::RecvNotice_DisplayFinalStringInfo @0x004F4711` → `TruncateChatLog`) — each of the five windows (main + 4 floaty) owns its OWN 10,000-line backlog, and a closed window keeps accumulating into its own log because `gmFloatyMainChatUI::SetVisible @0x004CE9B0` never unregisters the handler. acdream instead shares ONE canonical `ChatLog` capped at 500 entries (`RuntimeCommunicationState`'s ctor, `maximumChatEntries: 500`) with a 200-line display tail every window filters from (`InteractionRetainedUiComposition.cs:564`'s `displayLimit: 200` feeding `ChatVM.RecentLinesDetailed`; `ChatWindowState.ShouldDisplay` does the per-window filtering). The accumulate-while-closed and independent-per-window-scroll BEHAVIORS both fall out correctly from this shared-log shape, but the EFFECTIVE per-window scrollback DEPTH differs from retail's: a window whose filter accepts only a rare message type (e.g. a Fellowship-only floaty) sees only the fellowship lines that happen to still be inside the shared log's last 200-of-500 lines, not up to 10,000 like retail's own per-window log. `src/AcDream.Core/Chat/ChatLog.cs` (`_maxEntries`); `src/AcDream.App/Composition/InteractionRetainedUiComposition.cs:564` (`displayLimit: 200`); `src/AcDream.App/UI/Layout/ChatWindowController.cs`/`FloatingChatWindowController.cs` (`GetTranscriptLines`) | A single shared canonical log matches acdream's Slice-J "one canonical transcript, many filtered presentations" pattern and keeps memory bounded regardless of how many windows are open; 500 shared entries covers many minutes of typical mixed-channel play, and both retail-observable BEHAVIORS this row could have broken (closed-window accumulation, independent per-window scroll position) are reproduced correctly — only the numeric DEPTH ceiling differs | In a busy mixed-channel session (heavy General/Trade traffic), a rarely-used channel (Fellowship, a Turbine room) can scroll out of the shared 500-entry window long before a floaty window filtered to just that channel would have neared retail's 10,000-line depth — a user who opens that floaty window after a long session sees a much shorter backlog than retail would show for the same play session | `ChatInterface::RecvNotice_DisplayFinalStringInfo @0x004F4640`/`TruncateChatLog @0x004F4711`; `gmFloatyMainChatUI::SetVisible @0x004CE9B0`; `docs/research/2026-08-09-chat-retail-window-shell.md` §1.2 |
-| AP-190 | **Filed 2026-08-10 (Campaign CH slice CH6c — window opacity + transparency setting; retires AP-40). AMENDED 2026-08-10 at the CH6c review-fix round: reworded (2), added (3)/(4).** Four divergences from retail's focus-driven window opacity, all decomp-verified (`docs/research/2026-08-09-chat-retail-window-shell.md` §3). (1) SCOPE: retail's `ChatInterface::SetOpacity`/`SetDefaultOpacity`/`SetActiveOpacity` only ever run on `ChatInterface`-derived windows (the main chat window + the four floaties) — every other retail window (vitals, toolbar, inventory, ...) has no opacity fade at all. acdream's `RetailWindowOpacityController` subscribes to `RetailWindowManager.WindowRegistered` and applies the SAME focus-driven fade to every window the manager ever registers, so the one Settings → Chat tab transparency slider pair affects the whole retained UI. (2) DEFAULT VALUE — REWORDED at the review-fix round: retail's shipped defaults are PER WINDOW CLASS — the base `ChatInterface` ctor (`0x004F4550`) sets DefaultOpacity=0.5/ActiveOpacity=1.0, but `gmMainChatUI`'s own ctor (`0x004CD0F0`, called after the base ctor) overrides DefaultOpacity to 1.0 (the main window is ALWAYS fully opaque in both states); `gmFloatyChatUI::Create` (`0x004CE2C0`) calls the base ctor directly with no override, so only the four floating windows keep 0.5/1.0. acdream originally shipped the base ChatInterface value (0.5/1.0) as ONE shared global default applied to EVERY registered window — combined with (1)'s scope extension this faded the WHOLE registered UI (radar, vitals, toolbar, main chat, ...) to 50% opacity out of the box, including several windows that can never take keyboard focus at all and so were PERMANENTLY stuck at 0.5. Fixed at the review round to `gmMainChatUI`'s 1.0/1.0 override as the shared default instead: this reduces the remaining divergence to acdream's four floating chat windows shipping OPAQUE where retail's floaties ship 0.5-while-idle — user-settable via the same Settings → Chat opacity slider pair, so it is now a default-VALUE divergence only, not a missing mechanism. (3) EASING (new, filed at the review-fix round): retail's `ChatInterface::ListenToGlobalMessage @0x004F3840` — armed on the focus element-messages `0x1A`/`0x1E`/`0x28`/`0x29`/`0x2E` at `0x004F5275` via `UIListener::RegisterForGlobalMessage(this, 3)` — eases the live opacity toward its target by 5% of the target-delta per tick, unregistering from the global tick once within FP-epsilon of the target. acdream's `RetailWindowOpacityController.Apply` snaps to the target opacity immediately on every focus-change event; porting the per-tick lerp needs a UI frame-tick hook the controller does not have today, so it is deferred rather than implemented this round. (4) FOCUS PREDICATE (new, filed at the review-fix round): retail's `ChatInterface::IsTextEntryFocused @0x004F30A0` tests specifically whether `GetFocusDescendant(rootElement) == this->m_chatEntry` — the chat ENTRY FIELD, not the window generally. acdream's `RetailWindowHandle.DescendantFocusChanged` fires whenever ANY focusable descendant of the window gains focus, a strictly broader predicate for any window with more than one focusable child. The linked active>=default invariant itself (`SetDefaultOpacity`/`SetActiveOpacity`'s mutual-correction bodies) IS ported exactly — `ChatOpacityLink` in `AcDream.UI.Abstractions`. | `src/AcDream.App/UI/RetailWindowOpacityController.cs`; `src/AcDream.App/UI/RetailWindowManager.cs` (`WindowRegistered`); `src/AcDream.UI.Abstractions/Panels/Settings/ChatOpacityLink.cs`; `src/AcDream.UI.Abstractions/Panels/Settings/ChatSettings.cs` (`DefaultOpacity`/`ActiveOpacity`) | Extending the fade to every window is the shape the user's requested "transparency setting" actually wants (a general UI preference, not a chat-only one); shipping the shared default at 1.0 keeps the out-of-box render retail-identical for the 11 non-chat windows AND the main chat window (the windows retail keeps opaque, several of which can never take focus at all), while the Settings → Chat transparency slider remains fully user-settable for anyone who wants the four floaties' retail translucence back. (3) and (4) are both presentation-only refinements — the fade direction and the linked-invariant math stay retail-exact, only the transition curve (snap vs. 5%-per-tick ease) and the focus predicate's granularity (any descendant vs. the text-entry specifically) diverge — so recording them without implementing the frame-tick hook (3) or narrowing the focus event (4) is the correct scope for a review-fix round rather than opening new implementation work | A user who compares acdream's default install against retail side-by-side now sees the 11 non-chat windows AND the main chat window matching (opaque); only the four floating chat windows still diverge (opaque vs. retail's 50%-while-idle) until the slider is dragged. (3) is visible as the opacity change happening in a single frame instead of retail's ~20-tick fade — low severity, since the START and END states are both retail-exact, only the transition is instant instead of eased. (4) is visible on any window with more than one distinct focusable descendant (e.g. a settings panel with several controls): acdream stays at ActiveOpacity while ANY of them holds focus, where retail would already have faded back to DefaultOpacity once focus left the specific text-entry element — for single-focusable-child windows (most of the retained UI today) the two predicates coincide and there is no observable difference | `ChatInterface::ChatInterface @0x004F4550`; `gmMainChatUI::gmMainChatUI @0x004CD0F0`; `gmFloatyChatUI::Create @0x004CE2C0`; `ChatInterface::SetDefaultOpacity @0x004F3BC0`/`SetActiveOpacity @0x004F3C40`; `ChatInterface::ListenToGlobalMessage @0x004F3840`; `ChatInterface::IsTextEntryFocused @0x004F30A0`; global-message arming switch @0x004F5275 (`UIListener::RegisterForGlobalMessage(this, 3)` on element messages `0x1A`/`0x1E`/`0x28`/`0x29`/`0x2E`) |
-| AP-191 | **Filed 2026-08-10 (Campaign CH round 4, user-gate items 1+2 — retail two-plane glyph outline + authored SpewBox/chat text style, `docs/research/2026-08-10-retail-ui-text-style.md`).** The chat transcript's authored BASE STYLE (`0x10000372` in layout `0x2100003F`) carries a `0x1C`/`0x1D` pair alongside its `0x1A`/`0x1B` — `0x1D` (`TagFontColor[]`) is confirmed authored `ARGB(255,0,178,0)` (green), and `0x1C` is UNVERIFIED but most likely `TagFontDID` by symmetry with `0x1D` (both are pull-based, no `OnSetAttribute` case, unlike `0x1A`/`0x1B`/`0x21`/`0x22` which this round's commit DOES import). Retail's `AppendTextWithFont` selects a font/colour PAIR per appended run via `SetFontDIDNum`/`SetFontColorNum`, so a message's `[General]`-style channel tag can render in a distinct colour/font from the rest of the line — a capability `UiText.Line` does not have (one `Color` per whole line, no sub-line run concept). Landing this needs a per-run tag boundary threaded from `ChatTranscriptRenderer.BuildLines` through `UiText`'s line model into `UiRenderContext.DrawStringDat`, deliberately out of this round's scope (Fix 5 only changed the DEFAULT/uncolored-run seed, not the run model). `src/AcDream.App/UI/Layout/ChatTranscriptRenderer.cs` (`BuildLines`); `src/AcDream.App/UI/UiText.cs` (`Line`) | The default-fill fix (this same commit) is the higher-value, lower-risk half of retail's text-style gap for the transcript; a per-run tag concept is a larger structural change (touches the line model every transcript consumer reads) better landed as its own reviewed slice than folded into a text-style bugfix commit | Retail's `[General]`/channel-name tag prefix on a chat line renders the SAME colour as the rest of the line in acdream instead of green, and any authored tag-specific font goes unused — cosmetic only, the message text itself is unaffected | `UIElement_Text::AppendTextWithFont @0x00469de0`; `UIElement_Text::SetFontColorHelper @0x00466ac0`; `docs/research/2026-08-10-retail-ui-text-style.md` §2.3/§2.6 |
-| AP-192 | **Filed 2026-08-10 (Campaign CH round-5 polish, review item S2 — non-UiText outline paths).** Authored glyph outline `0x21`/outline color `0x22` now reach every text-bearing retained widget (`UiText`, `UiButton`, `UiDatElement`, `UiField`, `UiMeter`, `UiMenu`, `UiCatalogSlot` — the last two settable-only, having no authored build path), seeded ONCE from the element's effective-default state via `ElementReader.ApplyCanonicalLegacyProjection`'s `TryGetEffectiveProperty` (DirectState-then-effective-default rule). Retail instead re-resolves text properties on every UI STATE CHANGE — a button entering state `0x3` whose StateDesc authors `0x21=true` gains the outline for the duration of that state. The authored data hits this today: the dialog panel's two buttons (`0x2100003C` elements `0x17`/`0x19`), the character panel button `0x10000535`, and the combat panel button `0x100000B2` each author `0x21=true` in state `0x3` ONLY (DefaultStateId=1 → no outline at effective-default; `0x100000B2` also authors DirectState `0x21=true`, which the canonical rule DOES honor). The same seed-once shape already governs `UiText` (its `ApplyDatState` re-resolves `0x1B` FontColor per state but not `0x21`/`0x22`). `src/AcDream.App/UI/Layout/DatWidgetFactory.cs` (BuildButton/BuildCheckbox/BuildMeter/BuildText + the editable-field branch); `src/AcDream.App/UI/UiText.cs` (`ApplyDatState`) | Seed-once from the canonical effective state is strictly closer to retail than the pre-round-5 any-state first-wins scan (which lit those state-`0x3` outlines PERMANENTLY); the widening this row rides in on makes every ALWAYS-outlined authored element (DirectState/default-state authors) render retail-correct, and per-state re-resolution needs a property-application pass on the existing `TrySetRetailState` path — a reviewed slice of its own, not a polish-commit fold-in | A button that retail outlines only in a specific UI state (the four state-`0x3` authors above — state 3 is a hover/highlight-class state) never shows that transient outline in acdream; conversely nothing over-renders, since the effective-default resolution correctly yields outline-off for those elements | `UIElement_Text::SetOutline @0x0046a81c` (`m_bitField & 0x10`); `UIElement_Text::DrawSelf @0x00467aa0` (two-pass outline+fill); LayoutDesc fixtures `dialogs_2100003C.json` (`0x17`/`0x19`), `character_2100002E.json` (`0x10000535`), `combat_21000073.json` (`0x100000B2`) |
-| AP-207 | **Filed 2026-08-15 at Campaign CC slice CC3 (character-creation state machine). ANCHOR CORRECTED at the CC3 review-fix round (F5) — the original citation (`gmCGProfessionPage::SetAttribValue @ 0x00482890`) does not call `FitTemplateToCharacter`; it only writes the raw attribute via `SetStrength`/`SetEndurance`/etc. then calls `gmCGProfessionPage::UpdateAttributeValues`, which is one of the real call sites below.** Retail re-detects the closest-matching Profession template on every attribute-slider edit (`CharGenState::FitTemplateToCharacter @ 0x005C6130`, called from FOUR real sites: `gmCGProfessionPage::UpdateAttributeValues @ 0x00482450` (call at `0x004827F4`), `gmCGProfessionPage::Update @ 0x00482830` (call at `0x00482840`), `gmCGProfessionPage::UpdateToDefaultAttributes @ 0x00482860` (call at `0x00482875` — a fourth site the original filing also missed), and `gmCGSummaryPage::Update @ 0x0047BAA0` (call at `0x0047BB63`)), auto-flipping `template_` to whichever preset the current attribute+skill spread scores closest to (or to `0xFFFFFFFF`/"no match" when nothing fits within tolerance) via an FPU-heavy weighted-distance heuristic (`TEMPLATE_WEIGHT_ATTRIBUTES`/`_TRAINED_SKILLS`/`_SPECIALIZED_SKILLS`). Several of the function's float operations are literally unrecoverable in the named decomp (`/* unimplemented {fild/fidiv/fmul/fadd ...} */` markers Binary Ninja could not translate), consistent with this project's existing x87-blocked precedent. `RuntimeCharacterCreationState` never re-derives `Template` from attribute/skill edits — it only changes via an explicit `SelectTemplate` command, matching `SetTemplate @ 0x005C5A60`'s own commit path. | `src/AcDream.Runtime/Session/RuntimeCharacterCreationState.cs` (`TrySetAttribute`, `TrySetSkillLevel` — neither calls a `FitTemplateToCharacter` port) | ACE's `PlayerFactory.CreatePlayer` only reads `TemplateOption` for the character's display title/name text (`references/ACE/Source/ACE.Server/Factories/PlayerFactory.cs:135-138`) — it never re-validates attributes/skills against the named template, so a stale `Template` value has no server-side consequence; porting an FPU-unrecoverable heuristic for a value ACE ignores is not a good trade. | A free-editing user who drifts away from their chosen template's exact spread keeps seeing that template's name/button highlighted instead of retail's live re-detection (which might silently flip to a different preset name, or to "Custom"); this is presentation-only until CC4/CC5 build the Profession page's button highlight. | `CharGenState::FitTemplateToCharacter @ 0x005C6130`; `gmCGProfessionPage::UpdateAttributeValues @ 0x00482450`; `gmCGProfessionPage::Update @ 0x00482830`; `gmCGProfessionPage::UpdateToDefaultAttributes @ 0x00482860`; `gmCGSummaryPage::Update @ 0x0047BAA0`; `CharGenState::SetTemplate @ 0x005C5A60`; `PlayerFactory.cs:135-138` |
-| AP-208 | **Filed 2026-08-15 at Campaign CC slice CC3.** Retail derives a PER-STYLE available-dye-color count for each clothing slot via `CharGenState::StoreColorInformation @ 0x005C44D0` (reading that specific style's own `ClothingTable`/`CloPaletteTemplate` palette list — different headgear styles can offer different numbers of dye choices) and clamps `headgearColor`/`shirtColor`/`trousersColor`/`footwearColor` against that per-style count in `SetHeadgearStyle`/`SetShirtStyle`/`SetTrousersStyle`/`SetFootwearStyle` (@0x005C5350/0x005C5480/0x005C55A0/0x005C56C0) and `ConstrainAllByGender @ 0x005C5B80`. `ChargenOptions`/`ChargenGenderOptions` (CC1) carry no per-style color-count data — only ONE shared `ClothingColors` list per gender. `RuntimeCharacterCreationState.TrySetAppearanceIndex`/`ConstrainAppearanceByGenderLocked` bound every color slot against that single shared list instead. | `src/AcDream.Runtime/Session/RuntimeCharacterCreationState.cs` (`AppearanceSlotCountLocked`, `ConstrainAppearanceByGenderLocked`) | Adding per-style color-count data to CC1's Core model requires a new DAT read (`CloPaletteTemplate`/`Style_CG` palette-template walk) that CC1's already-review-closed `ChargenTableReader` doesn't perform; the shared-list bound is a safe (never-narrower-than-necessary in the common case) stand-in until a future slice reads the real per-style table. | A clothing style whose real per-style color count is SMALLER than the shared gender-wide `ClothingColors` list lets the user pick a color index retail would have refused for that specific style — the resulting wire index may resolve to a different (or no) dye on a genuine retail-DAT-driven ACE/appearance consumer. | `CharGenState::StoreColorInformation @ 0x005C44D0`; `SetHeadgearStyle @ 0x005C5350`; `ConstrainAllByGender @ 0x005C5B80` |
-| AP-209 | **Filed 2026-08-15 at Campaign CC slice CC3. BRANCH TABLE ADDED at the CC3 review-fix round (F10) — the original filing cited only the ordinary-human enum id, omitting the heritage-dependent branches.** Retail's `classID` wire field is resolved via `DBObj::GetDIDByEnum(...) @ CharGenState::GetCharGenResult 0x005C4030` — a DAT DID category lookup that branches on THREE heritage-dependent enum ids (`0x005C42B5`-`0x005C438B`): `0x10000003` for ordinary heritages, `0x10000090` for Olthoi (heritage `0xc`), `0x10000091` for OlthoiAcid (heritage `0xd`), plus three admin-flag variants of the same three (`0x10000004`/`0x10000092`/`0x10000093`) when the create is admin-flagged. `AcDream.Core` has no DAT/Chorizite dependency (a CC1-established, review-closed constraint), so `RuntimeCharacterCreationState.BuildRequestLocked` sends a constant `0` regardless of heritage. | `src/AcDream.Runtime/Session/RuntimeCharacterCreationState.cs` (`BuildRequestLocked`) | ACE's `PlayerFactory.CreatePlayer` never reads `characterCreateInfo.ClassId` (`references/ACE/Source/ACE.Server/Factories/PlayerFactory.cs:155`, commented out) — the field has no observable server-side effect against the only connected target this campaign gates on. | A future non-ACE server that DOES validate `classID` would reject or misclassify every acdream-created character; a future slice that wires the real DID lookup must NOT default to the ordinary-heritage id for Olthoi/OlthoiAcid characters — this row is the marker (and the branch table) to revisit if that ever becomes a real target. | `CharGenState::GetCharGenResult @ 0x005C4030` (branch table `0x005C42B5`-`0x005C438B`); `DBObj::GetDIDByEnum`; `PlayerFactory.cs:154-155` |
-| AP-210 | **Filed 2026-08-15 at Campaign CC slice CC3.** Retail's `ApplyTemplate @ 0x005C5080` applies a chosen template's six attributes one at a time through the individually-guarded setters (`SetStrength(this, row.strength, 0)` … `SetSelf(this, row.self, 0)`), each of which can silently refuse to RAISE its value when `GetAbsRemainingCredits` for that specific attribute is exactly zero at the moment it runs — a narrow but real cross-attribute ordering effect when switching heritage/template leaves stale attribute values from a PRIOR selection still resident during the sequential apply. `RuntimeCharacterCreationState.ApplyTemplateLocked` instead assigns `_attributes = row.Attributes` as one atomic replacement. | `src/AcDream.Runtime/Session/RuntimeCharacterCreationState.cs` (`ApplyTemplateLocked`) | Every template row in the installed CharGen DAT is curated, self-consistent data (CC1's installed-DAT gates), so the guard is not expected to trip for any real heritage/template pair in isolation; the ordering effect only matters when switching directly between two heritages/templates with very different attribute totals, which is a corner case not yet gated by a connected test. | A rapid heritage-switch-then-template-switch sequence could theoretically leave an attribute at a value retail's sequential guard would have refused to reach; unreachable through this slice's own commands (heritage selection always re-derives the FULL budget before applying), but a future direct-attribute-manipulation caller bypassing `TrySelectHeritage`/`TrySelectTemplate` could differ from retail. | `CharGenState::ApplyTemplate @ 0x005C5080`; `CharGenState::SetStrength @ 0x005C4660` (representative of all six) |
-| AP-215 | **Filed 2026-08-15 at Campaign CC slice CC6b-MOUNT (Appearance page visual substitutions); NARROWED 2026-08-16 at the Campaign CC gate round 1 Batch B fix (GF-9) — item 1 (the swatch-selection substitution) RETIRED; RE-NARROWED 2026-08-16 at Batch C fix (GF-6/AP-218) — the "1-based ordinal" framing of item 2 is now STALE and replaced below.** What CLOSED at Batch B: the nine color swatches (`0x1000030f-0x10000317`) now drive the SAME companion overlay elements retail's own `SetColor @0x0047DD50` toggles (`m_tColorWheel[...][0x10][iCurColor*7]->SetVisible`) — `CharacterCreationAppearancePage.RefreshColorAndShadeControls` shows exactly the overlay (`0x10000318-0x10000320`, `SwatchOverlayIds`) at the currently-selected color index and hides the rest. What CLOSED at Batch C: `SetStyleSpinLabel`'s 1-based-ordinal substitution is GONE — `RefreshSpinCaptions` now writes retail's own heritage-flavored STATIC caption (see AP-218, RETIRED). **Still open (RESTATED, not the same gap the ordinal covered):** the four icon-only style spins (hair/eyes/nose/mouth — CC1's `ChargenHairStyle`/`ChargenEyeStrip`/`ChargenFaceStrip` carry only an `IconId`, no name string) now show the SAME static caption regardless of which style is selected — retail's own per-choice visual feedback there is an ICON THUMBNAIL this port still doesn't render (no icon-texture pipeline is wired to ANY chargen widget); the live 3D preview is the player's only feedback for which style is currently active. The four clothing spins (headgear/shirt/trousers/footwear) show a real name via `ChargenGearOption.Name` and have no icon gap. | `src/AcDream.App/UI/Layout/CharacterCreationAppearancePage.cs` (`RefreshColorAndShadeControls`'s overlay loop, CLOSED Batch B; `RefreshSpinCaptions`, static-caption-only, icon gap still open) | An icon-texture pipeline for the four icon-only spins is new UI infrastructure this round's scope doesn't otherwise need; the static caption alone is retail-faithful for the TEXT half. | A pixel-level side-by-side against retail would show no icon thumbnail next to the four icon-only spins' caption (cosmetic gap only — the caption text itself is now byte-correct, and the live 3D preview still shows the actual selection). A future icon-rendering pass (if chargen ever needs one, e.g. for the heritage/template icons too) would naturally close this row. | `ChargenHairStyle`/`ChargenEyeStrip`/`ChargenFaceStrip`/`ChargenGearOption` (CC1, `src/AcDream.Core/CharGen/ChargenAppearanceOptions.cs`) |
-| AP-219 | **Filed 2026-08-15 at the Campaign CC CC6b-MOUNT review fix round (F2 item 6).** Retail's `gmCGAppearancePage::Update` repositions the Skin spin vertically when Nose/Mouth are hidden, closing the gap those two spins would otherwise leave: `m_pSkinSpin->MoveTo(0, 0x5a)` (Y=90) for Olthoi/OlthoiAcid (`@0x0047edef`) and Gearknight (`@0x0047ea83`), vs `MoveTo(0, 0xb4)` (Y=180) for every other heritage (`@0x0047ec41`). acdream hides Nose/Mouth (`Refresh`'s `clothesHidden` branch) but never repositions Skin, leaving a visible vertical gap in the Face tab's spin list for these three heritages. | `src/AcDream.App/UI/Layout/CharacterCreationAppearancePage.cs` (`Refresh`'s `clothesHidden` branch — hides Nose/Mouth, never moves Skin) | The spins are laid out via their authored LayoutDesc positions (`DatWidgetFactory`), which this campaign's slice doesn't runtime-reposition for any other case; the targeted behavior this round was visibility (hiding unreachable spins), not repositioning the ones that remain. | A side-by-side against retail on Olthoi/OlthoiAcid/Gearknight shows a visible vertical gap where Nose/Mouth used to sit, instead of Skin sliding up to close it — a layout/cosmetic gap, not a functional one. | `gmCGAppearancePage::Update` `MoveTo` calls `@0x0047edef` (Olthoi/OlthoiAcid), `@0x0047ea83` (Gearknight), `@0x0047ec41` (every other heritage, the "normal" position) |
-| AP-220 | **Filed 2026-08-15 at the Campaign CC CC6b-MOUNT review fix round (F2 item 7); tightened 2026-08-15 at the re-review of fix commit `d2a71152` (N1) — "leaving Gearknight for something else" over-claimed the exit side.** Retail's `gmCGAppearancePage::Update` calls `CharGenState::RandomizeAppearance(state, 0)` + `CharGenState::RandomizeClothing(state, 1)` exactly once, on the SPECIFIC frame the heritage crosses the Gearknight boundary in either direction — entering Gearknight from something else (`@0x0047e973`, gated on `m_LastHeritageGroup != 6`) or leaving Gearknight for a non-Olthoi heritage (`@0x0047eb58`, gated on `m_LastHeritageGroup == 6` inside the `else` arm of the `mHeritageGroup == 0xc || mHeritageGroup == 0xd` Olthoi/OlthoiAcid test `@0x0047eb46` — leaving Gearknight FOR Olthoi or OlthoiAcid takes the Olthoi-specific `if` arm instead and does NOT randomize). acdream's `Refresh` (the `Update` analogue) has no heritage-transition-edge tracking at all and never calls anything on a Gearknight-boundary crossing. | `src/AcDream.App/UI/Layout/CharacterCreationAppearancePage.cs` (`Refresh` — no `_lastHeritageId`-style transition tracking or randomize call) | This is the SAME six-primitive gap AP-212 (the Random button) and AP-214 (ctor-time `RandomizeCharacter`) already track — `RandomizeAppearance`/`RandomizeClothing` are two of AP-212's six named-but-unported `CharGenState` primitives; a THIRD call site for the identical missing primitives doesn't widen the underlying gap, just where it's also reachable. | Switching heritage into or out of Gearknight in acdream leaves the character's prior appearance/clothing selections untouched (whatever indices were already set, now possibly out-of-range and silently clamped by `ConstrainAppearanceByGenderLocked` rather than freshly randomized), where retail re-rolls both — a behavioral gap a connected gate switching heritage to/from Gearknight would observe directly. | `gmCGAppearancePage::Update` `@0x0047e973` (entering Gearknight) and `@0x0047eb58` (leaving Gearknight); `CharGenState::RandomizeAppearance @0x005c4f10`; `CharGenState::RandomizeClothing @0x005c6770` (both already cited by AP-212) |
-| AP-221 | **Filed 2026-08-15 at the re-review of Campaign CC CC6b-MOUNT fix commit `d2a71152` (R2) — records the F8 one-shot-binding disposition the re-reviewer accepted as a scoped, documented call, but which shipped without a register row of its own. AMENDED at the CC5 review-fix round, F7 (2026-08-16): this row's own "Risk" column named CC5 as the slice that "should close" this gap; CC5 instead DUPLICATED the same one-shot pattern for a second private viewport (the Summary preview) rather than closing it, and the duplicate shipped without extending this row to cover it — corrected below.** The chargen Appearance-page preview's GPU-side renderer/viewport binding in `LivePresentationComposition`'s chargen block reads `RetailUiRuntime.ChargenPreviewViewportWidget` exactly ONCE, synchronously, during the single `GameWindow.OnLoad` composition pass. `ChargenPreviewViewportWidget` is computed-through `CharacterCreationUiMountCoordinator`, which IS explicitly retryable/idempotent — ticked once per frame (via `RetailUiRuntime.Tick`) until its own DAT/resource read succeeds. If the coordinator's synchronous construction-time mount has NOT succeeded by that one composition pass (DATs not readable on that exact frame), the coordinator's later per-frame retries can still restore the rest of the mounted chargen SCREEN, but this GPU-side lease/binding is never retried — the preview stays permanently unbound for the rest of the session: no lease acquired, no renderer assigned to `chargenViewport`, `RetailUiRuntime.ChargenPreviewControl` never set, and the Appearance page's zoom/rotate controls silently no-op for the whole session. The narrowed diagnostic added at R1 (this same commit) is the only operator-visible evidence, and only fires when retained UI is actually mounted. **The Summary preview block (CC5, immediately below the Appearance block in the same method) is the SAME shape against a SECOND independent lease/binding pair (`summaryPreviewLease`/`summaryPreviewController`, `RetailUiRuntime.SummaryPreviewViewportWidget`/`SummaryPreviewControl`) — a DAT/resource miss on that one composition pass leaves the Summary page's 3D preview permanently unbound for the session with only its own narrowed `Console.WriteLine` diagnostic as evidence (no zoom/rotate controls to lose there, since retail's own Summary viewport has none — see `RetailSummaryPreviewPageVisibility`'s doc comment — but the idle-animated preview itself never renders).** | `src/AcDream.App/Composition/LivePresentationComposition.cs` (the chargen preview viewport block, the `if (dispatcherLease.Resource is { } chargenDispatcher && interaction.RetainedUi?.Runtime.ChargenPreviewViewportWidget is { } chargenViewport)` arm and its `else if` diagnostic, plus the Summary preview block's identical `summaryDispatcher`/`SummaryPreviewViewportWidget` arm immediately after it); `src/AcDream.App/UI/RetailUiRuntime.cs` (`ChargenPreviewViewportWidget`, `SummaryPreviewViewportWidget`); `src/AcDream.App/UI/Layout/CharacterCreationUiMountCoordinator.cs` | Retrofitting cross-frame retry into this one binding would mean restructuring the whole composition's one-shot GPU-resource-wiring contract shared by paperdoll (`PaperdollViewportWidget`), creature-appraisal, AND now the Summary preview in the SAME method, plus the fixed `PrivateEntityViewportFrameGroup` array `FrameRootComposition` builds from the result — out of both the CC6b-MOUNT fix round's AND CC5's blast radius; each round accepted the narrower diagnostic-only fix as sufficient, with this row as the tracked follow-up for BOTH bindings now. | On the specific unlucky frame where either coordinator's construction-time `Tick()` has not yet succeeded (a DAT/resource read not ready that frame), a user gets a chargen screen that otherwise mounted fine but whose Appearance 3D preview zoom/rotate controls, OR whose Summary 3D preview entirely, is dead for the ENTIRE session with no visible error beyond the respective narrowed console diagnostic — a session-permanent, hard-to-reproduce loss a future retry-aware rewrite of BOTH bindings should close together (a single fix, not two). | `src/AcDream.App/Composition/LivePresentationComposition.cs:1001-1109` (chargen preview block's own F8 disposition comment) and `:1111-1185` (the Summary preview block, same disposition, referencing this row); `RetailUiRuntime.ChargenPreviewViewportWidget`/`SummaryPreviewViewportWidget`'s doc comments (retry-vs-one-shot contrast) |
-| AP-212 | **Filed 2026-08-15 at Campaign CC slice CC4 (the Random button, element `0x100003cb`); primitives named+cited in the review fix round (F8, 2026-08-15). NARROWED 2026-08-15 at Campaign CC slice CC5 — Appearance and Summary CLOSED.** `gmCharGenMainUI::DoRandom @ 0x004e7d70` switches on the current page and dispatches to six NAMED, fully decompiled retail primitives, one per page: Heritage -> `CharGenState::RandomizeHeritageGroup(state, hasToD) @ 0x005c6a20`; Profession -> `CharGenState::RandomizeTemplate(state) @ 0x005c6500`; Skills -> `CharGenState::RandomizeSkills(state) @ 0x005c57e0`; Appearance -> `CharGenState::RandomizeAppearance(state, 0) @ 0x005c4f10` or `CharGenState::RandomizeClothing(state, 1) @ 0x005c6770`; Town -> `CharGenState::SetStartArea(state, RandInt(hasToD ? 4 : 3))`; Summary -> `CharGenState::RandomizeCharacter(state, hasToD) @ 0x005c6d80`. CC5 ports the Appearance/Summary primitives faithfully into `RuntimeCharacterCreationState` (`RandomizeAppearanceLocked`/`RandomizeClothingLocked`/`RandomizeCharacterLocked`, exposed as `TryRandomizeAppearance`/`TryRandomizeClothing`/`TryRandomizeCharacter`) and wires both pages' Random buttons to them — those two gaps are CLOSED, not approximated. **Still open:** Heritage/Profession/Town's Random handlers still use CC4's UNIFORM pick over every valid option (not `RandomizeHeritageGroup`'s hasToD-bounded roll, `RandomizeTemplate`'s exclude-current-preset roll, or `SetStartArea`'s literal 3/4 bound) — narrowing those three was not in CC5's scope; Skills' Random stays hard-disabled (`RandomizeSkills` remains unported). | `src/AcDream.App/UI/Layout/CharacterCreationUiController.cs` (`OnRandom`, `ApplyProgressState`'s `_random.Enabled` gate); `src/AcDream.App/UI/Layout/CharacterCreationHeritagePage.cs` (`Randomize`); `src/AcDream.App/UI/Layout/CharacterCreationProfessionPage.cs` (`Randomize`); `src/AcDream.App/UI/Layout/CharacterCreationTownPage.cs` (`Randomize`); `src/AcDream.App/UI/Layout/CharacterCreationAppearancePage.cs` (`Randomize`, CC5 — real primitive, retired from this row); `src/AcDream.Runtime/Session/RuntimeCharacterCreationState.cs` (CC5's Randomize section) | Random is a convenience affordance, not a gate any create can fail without — every value it can produce is independently reachable (and independently retail-cited) through the page's own ordinary Select commands; a uniform distribution over "every DAT-installed option" is the closest available stand-in for the THREE remaining pages without porting three more retail algorithms this round did not scope (Heritage/Profession/Town's own roll algorithms, now the only ones left). | A retail-parity test that checks the STATISTICAL distribution of repeated Random clicks on Heritage/Profession/Town would find acdream's uniform-over-all-options distribution differs from retail's own (e.g. `RandomizeTemplate`'s exclude-current-preset weighting, or the ToD-account-gated 3-vs-4 town bound — see AD-102); Appearance/Summary now match retail's real distribution exactly (RandInt/RollDice ported verbatim). Skills has no Random affordance at all until `RandomizeSkills` lands. | `gmCharGenMainUI::DoRandom @ 0x004e7d70`; `CharGenState::RandomizeHeritageGroup @ 0x005c6a20`; `CharGenState::RandomizeTemplate @ 0x005c6500`; `CharGenState::RandomizeSkills @ 0x005c57e0`; `CharGenState::SetStartArea` random-bound call site |
-| AP-211 | **Filed 2026-08-15 at the Campaign CC slice CC3 review-fix round (F12). Updated 2026-08-16 at Campaign CC slice CC7** — the row's own predicted resolution has now happened; text corrected rather than retired (see below). `RuntimeCharacterCreationState.TryBeginFinish` refuses locally (`RuntimeCharacterCreationLocalRefusal.RosterFull`) when `rosterCount >= slotCount`, gating a Finish attempt against the account's CharacterSet slot cap. `gmCharGenMainUI::DoFinish @ 0x004E9170` itself has NO such check — the decomp shows only the name/credit/verification-state gates (see the row's own doc comment history). Retail instead enforces the slot cap ONE LAYER UP, in the char-select UI that ghosts/un-ghosts the Create button (`gmCharacterManagementUI::UpdateButtons @ 0x004ec240`, ~0x004ec319-0x004ec32e: `_charSet.set_.m_num < _charSet.numAllowedCharacters_`) — CC7 ported that exact gate into `RuntimeCharacterSelectionButtons.CanCreate` (`RuntimeCharacterSelectionState.BuildButtons`) and wired `CharacterManagementUiController`'s Create button to it, closing the citation gap this row previously left open. ACE never checks the cap server-side either way. | `src/AcDream.Runtime/Session/RuntimeCharacterCreationState.cs` (`TryBeginFinish`, `RuntimeCharacterCreationLocalRefusal.RosterFull`); `src/AcDream.Runtime/Session/RuntimeCharacterSelectionState.cs` (`CanCreate`, CC7's retail-cited gate); `src/AcDream.App/UI/Layout/CharacterManagementUiController.cs` (Create's `Enabled` binding, CC7) | Both layers are now intentionally KEPT, matching this row's own prediction: the Create-button gate reproduces retail's real enforcement point for the ordinary UI path, while `TryBeginFinish`'s own refusal remains defense-in-depth for any caller that reaches Finish without going through that button (a headless bot, a future scripted client, or a UI bug that lets Finish fire while stale) — exactly the residual case the row's own risk column called out. | None remaining for the ordinary UI path (both layers now agree with retail's real enforcement site); a caller that bypasses the Create-button gate entirely still hits `TryBeginFinish`'s own refusal, which has no direct `DoFinish` citation (by design — retail's OWN `DoFinish` never checks this, only its UI layer does). | `gmCharGenMainUI::DoFinish @ 0x004E9170` (no slot-cap check present); `gmCharacterManagementUI::UpdateButtons @ 0x004ec240` (the retail enforcement site, now ported); `docs/plans/2026-08-15-character-creation-campaign.md` (Risks item 3) |
-## 4. Temporary stopgap (TS) — 50 active rows (TS-85 filed 2026-08-16 at #409 (client-wide retail tooltip system), REWRITTEN same-day at the F3 review round — two unported tooltip sub-mechanisms: (1) the `m_TTText`/`SetTooltip` runtime-text family headed by the `P0xD0` truncated-text auto-tooltip (187 of 430 live-DAT-probed tooltip-property-authoring elements have no literal StringInfo text and show nothing; the ORIGINAL filing's "dynamic InqProperty(0x49) override" framing was FALSE — retail's own base `InqProperty` reads the same authored bags this port already does, so most of those 187 show nothing in retail too — see the row's own full text for the correction), and (2) the per-element P0x3D wrap-max-width override (RetailTooltipPresenter always wraps at the display width, the confirmed retail fallback — no probed element authors P0x3D); TS-82 RETIRED 2026-08-15 at Campaign CC slice CC5 — the Summary page is now fully built (name field with NameInputFilter, the three-template listbox, its own live-idle-animated `gmCG3DView` preview, and the Finish gate's real UI), closing the last placeholder this row tracked (narrowed to Summary-only at CC6b-MOUNT after the Appearance page landed); TS-83 RETIRED 2026-08-15 at Campaign CC slice CC6b (pre-mount half) — the chargen 3D preview now plays retail's live 30fps idle loop (`ChargenPreviewAnimator`, `RetailAnimationCyclePlayback`) by default, exactly matching the decomp-verified finding that `gmCGAppearancePage::Update`'s own trailing gate calls `StartAnimation` whenever `m_bZoomedIn == 0` — CORRECTED at the same-round review (F1): the original filing argued this from the ctor never touching `m_bZoomedIn`, an unsound "elided/uninitialized byte" inference (heap `operator new` memory is indeterminate, not zero); the real, sound evidence is `gmCGAppearancePage::InitializePage @ 0x0047FDD0`'s EXPLICIT `this->m_bZoomedIn = 0;` at `0x004802C3`, written immediately after that same function sets the camera to the zoomed-IN per-heritage eye (`0x00480286-0x0048029E`) — a genuine retail quirk this implies: the character starts framed close-up AND not-zoomed-in at the same time, so the FIRST Zoom In click tweens close-eye→close-eye (visually null) while still freezing the animation, which the port reproduces faithfully — and only freezes to the held rest pose once the (not-yet-mounted) Zoom In button fires; the row's own citation "CreatureMode::set_sequence_animation... not yet located precisely" is resolved: the actual mechanism is `CPhysicsObj::set_sequence_animation @ 0x0050F6F0` called from `gmCG3DView::StartAnimation @ 0x004EE600` with a constant 30fps DID and no further motion traffic, which CC6b reproduces via a shared, Core, unit-tested advance-with-wrap-then-lerp/slerp primitive; TS-84 filed 2026-08-15 at Campaign CC slice CC6a (renumbered from its branch-local TS-82 at the CC6b-PRE merge: the CC4 branch independently allocated TS-82 for the Appearance/Summary placeholder pages, and landed first), corrected at the same-session review fix round (F2/F7) — the chargen 3D preview's un-ported `ClothingTable::BuildObjDesc` Setup-substitution chain, measured (not assumed) and now PINNED by a real assertion to leave Undead's default preview unclothed on ALL FOUR clothing slots (not three); TS-81 filed 2026-08-12 at Campaign FA slice FA2 — the AllegianceLoginNotification chat-text gap, BN-mislabeled string symbols pending DAT lookup; TS-80 partially narrowed same slice — the fellowship-create shareXp wire mechanism now exists, the option-bit reader is still FA4 scope; TS-75..TS-80 filed and TS-73 NARROWED 2026-08-11 at Campaign OP slice OP4 — the Character tab's 50-row consumer wiring: TS-73 narrowed to `DisableMostWeatherEffects`/`PersistentAtDay` only (`ViewCombatTarget`/`DisableDistanceFog` now work via App-layer poll bindings, not `TrySetOption`'s own switch); TS-75 "Always Daylight Outdoors" has no day/night time-of-day force (and corrects the plan's own `ForcedDayGroupIndex` mechanism-mismatch citation — that field is the WEATHER-VARIETY selector, not a time-of-day force); TS-76 five Character-tab rows with no consumer surface at all (3D tooltips, side-by-side vitals, spell durations, advanced combat UI, stay-in-chat-mode); TS-77 "Filter Language" has no profanity-filter subsystem; TS-78 "Use Main Pack as Default" has no client-side preferred-container consumer; TS-79 Group D salvage/housing (no salvage UI, no housing subsystem); TS-80 "Share Fellowship Experience and Luminance" is client-sourced (needs the fellowship-CREATE packet field, not just the stored bit) and unaudited this slice; TS-74 filed 2026-08-11 at Campaign OP slice OP3 — the Options panel's "Use Mouse Turning Settings" macro sends `PlayerOption.UseMouseTurning` and persists its five client-local siblings, but acdream has no persistent mouse-turning camera MODE for the bit to drive; TS-73 filed 2026-08-11 at the Campaign OP OP1 review-fix round — `RuntimeCharacterOptionsState.TrySetOption`'s port of `CPlayerModule::OnChanged`'s local side-effect switch (MF-2) covers only the two `PlayerModule`-state-mutating cases (0x02/0x12 fellowship mutual exclusion); the four presentation-binding cases (weather/day/combat-target/fog) remain unmodeled, pre-anchored to Campaign OP OP4's Group B consumer binds (see the row below); TS-71 RETIRED 2026-08-11 at the same round — both remaining `SetCharacterOptions (0x01A1)` flush triggers (the 480 s auto-save timer, the pre-logoff flush) are now wired through `LiveSessionController`'s own tick/stop transaction (`ConfigureAutoSaveTick`/`ConfigurePreLogoffFlush`, wired once by `GameRuntime`'s constructor), matching the plan's stated target; TS-72 RETIRED 2026-08-11 at the Campaign OP OP2 rework (double-REJECT fix round) — the click-toggle bit math is now decomp-CONFIRMED against `UIOption_CheckboxBitfield64::ListenToElementMessage @0x00485AE0` (`BitUtils::SetBitsOnOrOff`: OR-in-on / AND-NOT-off, which was already correct) and `::Refresh @0x004859C0` (the checked-state predicate, which WAS wrong — the shipped code required ALL mask bits set; retail checks on ANY mask bit — and is now fixed to match); the widget is still not reachable by any user (Campaign OP slice OP5 wires it), but nothing about its own click/checked mechanism remains genuinely unverified, so the row is retired rather than rewritten; TS-70 RETIRED 2026-08-09 at Campaign CH user-gate round 1, item E (#362) — `ClientCommandResponses.cs` now parses and renders all four named inbound GameEvents (`ChannelIndex 0x0149`, `ChannelList 0x0148`, `AvailableHouses 0x0271`, `AllegianceInfoResponse 0x027C`), each wired into `GameEventWiring.cs` and rendering retail-shaped `LogTextType 0x00` lines ported from the named-retail decomp (`Handle_Communication__ChannelIndex`/`ChannelList` @0x0057d0c0/@0x0057d230, `Handle_House__Recv_AvailableHouses` + `DisplayListOfCoords` @0x00585d50/@0x00585c20, `Handle_Allegiance__AllegianceInfoResponseEvent` @0x0056a1d0); the row's `@on`/`@off` mention was never itself missing a handler (both already resolve through the pre-existing `WeenieErrorWithString` registration) so nothing there needed a fix; TS-68/TS-69 filed 2026-08-09, Campaign CH slice CH4 — the deferred allegiance/house subcommand dispatchers, the three unported pure-local commands (day/log/render); TS-66/TS-67 filed and TS-29 retired 2026-08-08, Campaign A slice A5 — the region ambient system landed, so TS-29's ambient half is ported and its music half turned out to have nothing to port; TS-66 is the omitted `seen_outside` interior case and TS-67 the in-plane contribution weight. TS-64/TS-65 filed 2026-08-08, Campaign A slice A2 — TS-64 the two unimplemented retail sound preferences (unfocused-app silence, pan disable) plus the three enable bools; TS-65 the volume-squared quirk, applied on the ambient path where two lanes byte-confirmed it and deliberately NOT on the hook path where the pre-multiplying overload is unpinned. TS-62/TS-63 filed 2026-08-02, continuation-executor slice; TS-4 and TS-8 retired 2026-07-31; Campaign P's goal-enumerated physics stopgaps are now zero. TS-4's graph/flat Path-6 branches match retail's foot SetCollide/Adjusted and head CollisionNormal/Collided split with no BSP-layer sliding-normal write; TS-8's live 0x02C2 carries its complete StatMod through the canonical enchantment record and updates effective stats immediately. Campaign P P7 2026-07-30: TS-25 retired — outbound stance has shipped via RawState.CurrentStyle since #219; TS-24 re-argued to AD-57; TS-40 re-argued to AD-58; TS-35 retired at P5; earlier same campaign: TS-1/TS-5/TS-23/TS-46 retired by ports; TS-23 retired 2026-07-30 at Campaign P Slice P3 — every mover-flags call site (local player world-entry ×2, remote DR sweep ×2, remote teleport, ordinary movers) now ORs in the mover's real PK/PKLite/Impenetrable `ObjectInfoState` bits via the new `ClientObjectTable`-backed `EntityCollisionFlagsExt.ResolveMoverPvpState` — **narrative corrected 2026-08-03 (#297): "real" only became true at #297. Until then the bits existed but the source `PublicWeenieBitfield` was frozen at CreateObject, so every one of those sites read a stale value for the whole session. The site enumeration is also incomplete: `RuntimeSetPositionMoverPreparation.cs:183-188` is a SEVENTH mover-flags site that decodes `record.Snapshot.ObjectDescriptionFlags` directly rather than calling `ResolveMoverPvpState`, and it also derives `ObjectInfoState.IsPlayer` from the PWD bit, contradicting `EntityCollisionFlags.cs:119-123`'s claim that every site uses a GUID-prefix heuristic. See AP-134.** — and `PlayerWeenie.JumpStaminaCost`'s `pk` parameter reads the real `PlayerKillerStatus`/`LastPkAttackTimestamp` pair against a 20-second window instead of a hardcoded `false`; the non-PK invariant (every ACE default-created character) is bit-identical to the pre-P3 value since `ResolveMoverPvpState` and the PK-timer predicate both resolve to a no-op for `PublicWeenieBitfield` absent/0; TS-46 retired 2026-07-30 at Campaign P Slice P3 — the Setup's verbatim ≤2-sphere list (`CPhysicsObj::transition` 0x00512dc0 → `SPHEREPATH::init_sphere` 0x0050c670) now seeds the sweep for the local player, remote dead-reckoning, and ordinary movers alike, replacing the two-scalar (radius, height) capsule reconstruction; remote/ordinary step-up/step-down are now Setup-derived (`CPartArray::GetStepUpHeight`/`GetStepDownHeight`, 0x005180d0/0x005180f0, ×ObjScale) instead of a hardcoded 0.4 m, closing both residuals the row named; TS-5 retired 2026-07-30 at Campaign P Slice P1 — real burden-gated CanJump + real JumpStaminaCost, both decomp-verbatim; TS-1 retired 2026-07-30 at Campaign P Slice P2 — the row was stale; the EdgeSlide → PrecipiceSlide/CliffSlide chain is already a real, tested port; TS-57..TS-61 filed 2026-07-29 during Campaign N — no outbound RejectRetransmit; TS-27 narrowed same slice to the inbound direction) + TS-37 historical note (TS-20 retired 2026-07-16 — the later named-retail audit disproved the proposed DrawingBSP polygon filter; TS-37 is a retired-row historical note, not an active count; TS-39 retired R5-V3 — sticky seams bound to the ported PositionManager/StickyManager, radii threaded; TS-45 retired 2026-07-07 — hand-rolled `SphereCollision` replaced by the faithful CSphere family port, fixing the player-vs-monster crowd wedge; TS-3 retired 2026-07-07 — `frames_stationary_fall` accounting ported in the #182 verbatim UpdateObjectInternal rebuild, fixing the airborne falling-animation wedge; TS-41 retired 2026-07-07 — SERVERVEL synth-velocity remote body-drive replaced by the retail interp catch-up + unconditional MovementManager::UseTime, the remote-creature de-overlap #184; TS-42 retired 2026-07-19 — semantic animation completion now precedes the ordered Target/Movement/PartArray/Position tail; TS-44 narrowed again 2026-07-19 — complete orientation joined interpolation, only during-stick enqueue suppression remains)
+## 4. Temporary stopgap (TS) — 43 active rows (TS-57..TS-61 filed 2026-07-29 during Campaign N — no outbound RejectRetransmit; TS-27 narrowed same slice to the inbound direction) + TS-37 historical note (TS-20 retired 2026-07-16 — the later named-retail audit disproved the proposed DrawingBSP polygon filter; TS-37 is a retired-row historical note, not an active count; TS-39 retired R5-V3 — sticky seams bound to the ported PositionManager/StickyManager, radii threaded; TS-45 retired 2026-07-07 — hand-rolled `SphereCollision` replaced by the faithful CSphere family port, fixing the player-vs-monster crowd wedge; TS-3 retired 2026-07-07 — `frames_stationary_fall` accounting ported in the #182 verbatim UpdateObjectInternal rebuild, fixing the airborne falling-animation wedge; TS-41 retired 2026-07-07 — SERVERVEL synth-velocity remote body-drive replaced by the retail interp catch-up + unconditional MovementManager::UseTime, the remote-creature de-overlap #184; TS-42 retired 2026-07-19 — semantic animation completion now precedes the ordered Target/Movement/PartArray/Position tail; TS-44 narrowed again 2026-07-19 — complete orientation joined interpolation, only during-stick enqueue suppression remains)
| # | Divergence | Where (file:line) | Why it is safe / justified | Risk if assumption breaks | Retail oracle |
|---|---|---|---|---|---|
-| TS-85 | **Filed 2026-08-16 at #409 (client-wide retail tooltip system); REWRITTEN at the same-day F3 review round; NARROWED again at the same-day live-failure round.** LIVE-FAILURE-ROUND NARROWING: the `m_TTText` READ side is now ported — `RetailTooltipPresenter.ResolveTooltipText` consults `UiElement.GetTooltipText()` (this port's `m_TTText`) BEFORE the authored `P0x49`, exactly as `StartTooltipAtMouse @0x00460DA3`/`@0x00460DDF` orders them, and the `P0x48`-absent fallback to the element's own layout (`@0x00460E7E`) is ported through `UiElement.SourceLayoutDid`. That lit up every acdream surface whose controller ALREADY writes runtime tooltip text (the four Options tabs, Configure Keyboard, the social pages) — live-verified 2026-08-16 on the Character tab. What remains deferred is the WRITE side at the retail `SetTooltip` call sites acdream has no analog for yet, enumerated below. Two sub-mechanisms of retail's tooltip system are unported. **(1) The `m_TTText`/`SetTooltip` runtime-text family (headed by the `P0xD0` truncated-text auto-tooltip):** the ORIGINAL filing argued this port's gap was "retail's dynamic `InqProperty(0x49)` override" — that framing is false. `UIElement::InqProperty @0x004638D0`, the BASE implementation every element uses unless its own class overrides the virtual, reads exactly the same authored property bags (`m_instanceProperties`, `m_curStateDesc`, `m_desc`) this port's `ElementReader` already walks generically — so an element with no literal `P0x49` gets NOTHING from retail's own default `InqProperty` either. The REAL second text source is the element's cached `m_TTText` field, set ONLY by the explicit, non-dat `UIElement::SetTooltip` call (`UIElement::StartTooltipAtMouse @0x00460D70` prefers `m_TTText` over the `InqProperty` fallback whenever it is non-empty). `SetTooltip` has 15+ known game-code call sites (Options rows `@0x00485E65`, chargen `@0x00481981`, the paperdoll endowment icon `@0x004C63A1`, the spellcast button `@0x004C6FE8`/`@0x004C6AAE`, and more), headed by the highest-volume one: `UIElement_Text::RecalculateTruncation @0x00466F80`, gated on authored `P0xD0` — an overflowing single/wrapped line calls `SetTooltip(this, ownText) @0x00467064` + sets enable bit 5 `@0x00467076`; a line that now fits calls `ClearTooltip @0x00467064`/clears the bit `@0x00466ff9`. `RecalculateTruncation`'s own truncation-POSITION computation (the rest of the function, `@0x004670a1` onward) walks a `GlyphList` per-line-position model (`FindCompleteLineFromY`/`FindPosFromLineAndPixels`/`FindPixelsFromPos`) this port's `UiText` has no equivalent of — `UiText` clips visually via a scissor rect (`DrawClippedText`'s `PushClip`) with no tracked "does this line overflow" state at all, so porting the auto-tooltip trigger requires building that state first. Sized as genuinely disproportionate for a single fix-round commit alongside F1-F2/F4-F11 and deferred here rather than shipped as a partial/unverified stub. A live-DAT sweep found 187 of the 430 elements authoring at least one tooltip-trigger property have NO literal `P0x49` `StringInfo` text; the live-failure round re-measured that set and found every one of the 187 authors BOTH popup-locator ids (`P0x47`+`P0x48`) — i.e. they are runtime-`SetTooltip` targets by construction, waiting only for text. **F12 correction (night-round review, 2026-08-17): this is 17 sites, not 15** — the original tally dropped `gmPaperDollUI::UpdateItemSlotTooltip @0x004A52EF` (mentioned two sentences below as its own closed row) and undercounted by one more besides. The 17 `SetTooltip` call sites, enumerated from the decomp at the live-failure round, split into: PORTED (an acdream controller already writes the text, and the presenter now reads it) — the Options rows `@0x00485E65`/`@0x00484803`/`@0x00487053`, chargen skills `@0x00481981`, the radar `@0x004D9605`; PORTED 2026-08-16 (hover-feedback completion round, docs/ISSUES.md #409/#411): inventory/shortcut item hover `UIElement_UIItem::UpdateTooltip @0x004E1CB0` — `UiItemSlot` now hardcodes the catalog's uniform popup locator (`P0x47=0x10000395`/`P0x48=0x21000041`, live-DAT-confirmed uniform across all 47 UIItem-type catalog prototypes, `TooltipLiveDatTests.UiItemCatalog_EveryPrototype_SharesTheSamePopupLocator`) and a `TooltipTextResolve` delegate wired at every physical-item construction site (inventory, external container, paperdoll — closing the separate `gmPaperDollUI::UpdateItemSlotTooltip @0x004A52EF` row below too, vendor, secure trade, toolbar), backed by the new `ClientObject.GetTooltipDisplayName()` (NAME_APPROPRIATE + the `"%d %s"` stack-count prefix, matching the decomp exactly); and the SmartBox found-object world-hover tooltip `UIElement_SmartBoxWrapper::RecvNotice_SmartBoxObjectFound @0x004E5AD0` (`@0x004E5D74`/`@0x004E5DFB`) — `RetailTooltipPresenter.UpdateWorldHoverTooltip` ports its `PlayerModule::ShowTooltips`-gated, `GetAppropriateName`-only (no stack prefix — a real, decomp-confirmed asymmetry vs. the item-cell case) trigger — **TIMING CORRECTED at the 2026-08-17 morning gate round (user finding: retail world tooltips "lag"; ours popped instantly): the original "edge-fired (no dwell)" reading was a misread — the notice's immediate `StartTooltipAtMouse @0x004E5DFB` sits inside `if (s_pInstance->m_dragElement != 0)` (`@0x004E5D8E`; `m_dragElement` is a real, distinct PDB field in `acclient.h`'s `UIElementManager`, separate from the `m_pTooltipElement` family), so the immediate mount is DRAG-ONLY; the ordinary hover path merely STAGES the name (`SetTooltip @0x004E5D74` + `|= 0x20`) and the display rides `CheckTooltip @0x0045B6E0`'s mouse-idle dwell (`m_lastMouseMoveTime` stamped on EVERY move `@0x0045e736` + `m_tooltipDelay` 0.25 s `@0x0045f75d`), with found-object changes under an idle mouse swapping the popup same-frame via `SetTooltip`'s own text-change teardown (`@0x004617FF` → `ResetTooltip @0x0045C360` tail-calling `CheckTooltip`) and the 10 s `m_tooltipDuration` expiry requiring a fresh mouse move before re-arming (`SwitchMouseOver(null) @0x0045b7b2`) — all now ported, including the drag-immediate branch**, reusing the SAME popup locator since an exhaustive DAT sweep found `UIElement_SmartBoxWrapper` (class `0x10000030`) has no authored `ElementDesc` anywhere installed (`TooltipLiveDatTests.SmartBoxWrapper_HasNoAuthoredElementDesc_AnywhereInstalled`) — the popup-skin choice is therefore the best-evidenced inference, not a measured value, and is called out here as such. **BATCH B (2026-08-17) CLOSED the spellcasting and character-panel rows of this list. BATCH C (2026-08-17, Map/House toolbar panel) CLOSES THE LAST REMAINING ITEM: `gmMapUI::AddMapNote @0x004A1C51`'s 53 town-hotspot tooltips are now ported via `MapPageController.BuildTownMarkers` (`src/AcDream.App/UI/Layout/MapPageController.cs`), setting `UiButton.TooltipText` (retail's RUNTIME `m_TTText`/`SetTooltip` mechanism, not the DAT-authored `P0x49` path an earlier same-day cut mistakenly used and which never rendered live during verification); literal town names from `MapLocations.cs` (a verbatim port of `s_rgLocations`), not a DAT string-table lookup, matching `AddMapNote`'s own `StringInfo::SetLiteralValue` call. CORRECTED at the same-day morning gate round (user finding 3 — the retail screenshot's green hover highlight + special-font parchment tooltip): Batch C's "the town-marker template authors no locator of its own" claim was WRONG — the template (`0x100001F0` in `0x21000026`, `MapNoteLiveDatTests`) authors its OWN `P0x47=0x10000398`/`P0x48=0x21000041` (the fourth popup skin, whose incorporated text child `0x10000396` fonts `0x40000015` where the other three skins font `0x40000002`), a zero per-element delay `P0x50=0.0`, `P0x4B` TooltipOn, and `P0x13` RolloverEnabled with PassToChildren `Normal`/`Normal_rollover` states flipping the highlight child `0x100001F1`'s per-state `P0x3B` (the green `0x06004CC9` frame, byte-decoded A=FF R=00 G=FF B=00); the hardcoded shared-skin override was removed (the built marker's authored locator wins) and the rollover highlight + per-state-`P0x3B` + button PassToChildren cascade are now ported (`UiButton.CascadeStateToChildren`, `UiDatElement.TrySetRetailState`'s 0x3B honor). Sub-mechanism (1)'s `SetTooltip`-call-site enumeration is 16 of 17 known sites PORTED — `UIElement_Text::RecalculateTruncation @0x00466F80` (the headline, highest-volume site named at the top of sub-mechanism (1)) remains the ONE open item, exactly as this row's own sub-mechanism (1) text above already scoped it out (its own "Sized as genuinely disproportionate... deferred here" note). The prior "all 15 known sites accounted for" close (F12 correction, night-round review) was wrong twice over: the count is 17, not 15, and RecalculateTruncation was never actually ported — it was always the one deliberately-deferred item, not a closed one.** Batch B audit findings: the endowment icon `@0x004C63A1`, favorite `@0x004C7206`, and submenu `@0x004C67D8` sites turned out to be ALREADY CORRECT — all three are `UiCatalogSlot`-based and the pre-existing `Label`-driven `GetTooltipText` already carried retail's exact text (`SpellCastSubMenu::AddFavorite @0x004C7060`/`UpdateFromPlayerModule @0x004C6570` both build a single-arg `Formatted` PStringBase — plain spell name, no wrapper — for the favorite-bar/submenu case; `gmSpellcastingUI::UpdateEndowmentIcon @0x004C6120` mirrors the cast button's confirmed `"%s (%hs)"` literal at `data_7b64d8` — item name, then spell name in parens — via the identical two-value narrow/wide prep sequence, one address away in the same function family). The cast button `@0x004C6FE8`/`ClearTooltip @0x004C6AAE` was the one real gap (`UiButton` had no tooltip wiring at all): now ported via `SpellcastingUiController.UpdateCastAvailability`/`ComputeEndowmentCastState`, sourced from `gmSpellcastingUI::UpdateCastButtonTooltip @0x004C6A30`. Fully verified literal text: the no-selection states (`"Select a spell to cast"` @ `data_7b64ec`, `"You have no spells ready to cast"` @ `data_7b6520`) and the complete endowment-item branch (`"USE the %s"` @ `data_7b64c0`, `" on %s"` @ `data_7b6464`, `"You must select a target for the %s"` @ `data_7b6478`; `ItemUses::IsUseable_SelfTarget @0x004fcd30` is exactly `ItemUseability.AllowsSelfTarget`). NOT ported: the endowment branch's incompatible-target sub-state (`"You must select an appropriate\ntarget for the %s"` @ `data_7b6400`, gated by `ItemHolder::TargetCompatibleWithObject @0x00587520` — a ~400-line function with its own chat-message side effects, out of scope for a tooltip batch; a present target is optimistically treated as compatible, same text as the confirmed-compatible case). **CORRECTED at the night-round review (F3/F4, 2026-08-17): the plain-spell branch's wording is NOT unrecoverable — the "genuine `gmNoticeHandler` vtable SLOTS" claim above was itself the artifact. `PStringBase::sprintf`'s second argument at those three call sites is a raw pushed literal (a plain `push 0x7bXXXX; call sprintf`); Binary Ninja's pseudo-C rendering of that operand as `&gmSpellcastingUI::\`vftable'.RecvNotice_XXX` was a spurious symbol match, not the true operand — a direct capstone disassembly of the raw bytes at `0x4c6e48`/`0x4c6ea4`/`0x4c6f18`/`0x4c6f5d` resolves the actual constants: `"CAST %hs"` @0x7b63a4 (untargeted/self-cast at `0x4c6f35`, and targeted+compatible at `0x4c6e57` — both enabled, the latter appending `" on %s"` @0x7b6464 with the target's name), `"You must select an appropriate target for %hs"` @0x7b6348 (targeted+incompatible, disabled), `"You must select a target for %hs"` @0x7b63b8 (no target, disabled); `%hs` is the spell's own name in all four call sites (`CSpellBase::InqName`, the same call `0x5bbee0` throughout). Now ported: `RuntimeSpellCastState.EvaluateCastGate` (the four-state gate) + `SpellcastingUiController.ComputeSpellCastState`. Also corrected the endowment branch's "USE the %s" operand: it was NOT the bare item name (F4) — the vararg to `"USE the %s"`/`"You must select a target for the %s"`/the still-unported incompatible-target string is the SAME composed `"%s (%hs)"` string (item name, spell name) built once at `@0x004c6bb6-ef` from format literal `data_7b64d8`, byte-confirmed by all three sprintf call sites (`0x4c6c7f`/`0x4c6ca4`/`0x4c6d46`) reading the identical `[esp+0x18]` slot — now ported via `SpellcastingUiController.ComposeEndowmentName`.** The character-panel `AttributeInfoRegion @0x004F1617` / `Attribute2ndInfoRegion @0x004F1777` / `SkillInfoRegion @0x004F222F` constructors are now fully ported through a new `UiClickablePanel.TooltipText` (the same settable-string seam as `UiButton.TooltipText`): the six hardcoded attribute descriptions (`SkillSystem::InqAttributeDescription @0x005c8e30`) and three hardcoded, pair-shared vitals descriptions (`SkillSystem::InqAttribute2ndDescription @0x005c8f70`) were byte-decoded from the retail string pool (the pseudo-C dump truncates them with "…"); skill tooltips compose `SkillInfoRegion::GetTooltip @0x004f1fe0`'s exact `"\n" + formula + description` (ported verbatim, including the confirmed lack of any separator between the formula and description text) from the ALREADY-DAT-parsed `DatReaderWriter.Types.SkillBase.Description`/`.Formula` fields (portal `0x0E000004`, the same resource `CharacterSheetProvider.SkillTable` already reads for skill names/costs) rather than hand-transcribed literals — no guessing was needed for the ~30+ skill description strings. The formula-to-text algorithm itself (`SkillSystem::InqSkillFormula @0x005c89b0`, e.g. producing `"( (Strength + Coordination) / 2 )"`) was fully recovered by byte-decoding six short literal fragments (`data_7e7930`/`7e7934`/`7e7940`/`7e7950`/`7e7954`/`797584`) the pseudo-C dump left completely unlabeled — they sit between two `gmSpellcastingUI` vtable declarations and Binary Ninja's type inference never recognized them as strings, so the raw hex had to be read directly as narrow ASCII (confirmed against the function's own directly-visible `" / %u"` and `"(%u x %s)"` literals, which needed no such recovery). Retail's runtime sites also SET the `P0x4B` on-bit themselves (`__bitfield164 |= 0x20`, eight sites) — the port models that as "runtime text present implies tooltip-on", so only the authored-text path consults the authored bit. **(2) The per-element wrap-width override:** `UIElement_Text::InqSizewMargins @0x00469660`'s `UITS_MAX_WIDTH` branch checks `GetAttribute_Int(this, 0x3D, ...)` before falling back to `RenderDevice::GetDisplayWidth()`; `RetailTooltipPresenter.ApplyTooltipText` always wraps at `UiRoot.EffectiveCanvasSize.X` (the confirmed fallback) and never checks for a `P0x3D` override — the live-DAT sweep found zero tooltip-bearing elements author one. | `src/AcDream.App/UI/Layout/RetailTooltipPresenter.cs` (`ResolveTooltipText`'s runtime-then-authored order; `ApplyTooltipText`'s wrap-width literal; `UpdateWorldHoverTooltip`/`TryBuildAndMountPopup` — the world-hover half added 2026-08-16); `src/AcDream.App/UI/Layout/ElementReader.cs` (`ElementInfo.TooltipText`'s own doc comment carries the same F3 correction); `src/AcDream.App/UI/UiItemSlot.cs` (`TooltipTextResolve`, `GetTooltipText`, the hardcoded popup-locator constants); `src/AcDream.Core/Items/ClientObject.cs` (`GetTooltipDisplayName`); `src/AcDream.App/UI/CursorFeedbackController.cs` (the related #411 found-cursor fix, same round — see that row); Batch B (2026-08-17) additions: `src/AcDream.App/UI/UiPanel.cs` (`UiClickablePanel.TooltipText`/`GetTooltipText`); `src/AcDream.App/UI/Layout/SpellcastingUiController.cs` (`UpdateCastAvailability`, `ComputeEndowmentCastState`); night-round review (F3/F4, 2026-08-17) additions: `src/AcDream.App/UI/Layout/SpellcastingUiController.cs` (`ComputeSpellCastState`, `ComposeEndowmentName`); `src/AcDream.Runtime/Gameplay/RuntimeSpellCastState.cs` (`EvaluateCastGate`, `SpellCastGate`); `src/AcDream.App/Net/RetailSkillFormula.cs` (`AttributeName`, `FormatFormula`, `BuildTooltip`); `src/AcDream.App/UI/Layout/CharacterSheet.cs` (`CharacterSkill.TooltipText`); `src/AcDream.App/UI/Layout/CharacterSheetProvider.cs` (`BuildLiveCharacterSkills`'s tooltip compose); `src/AcDream.App/UI/Layout/CharacterStatController.cs` (`AttributeDescriptions`, `Attribute2ndDescriptions`, `BuildAttributeRows`/`BuildSkillRows` row wiring) | The 243 elements WITH literal text — the "core" case #409 ships — cover every hover-text scenario the investigation's own landmark checks exercised (main-game-UI Appearance-page rotate/color/spin hints, etc.). F9 correction: "243 with literal text" is not automatically "243 showable" — `RetailTooltipPresenter.OnTooltipShow`'s real gate is the FULL conjunction of `TooltipEnabled` (P0x4B) AND non-null text (P0x49) AND both popup-locator ids (P0x47/P0x48) — so this was measured, not assumed: `TooltipLiveDatTests.ClientWideSweep_FindsKnownLandmarksAndAFloorCount`'s `Showable` column finds the intersection is exactly 243, i.e. every element authoring literal text also authors the other three properties together (they are evidently authored as one group in practice). The P0x3D sweep found zero authoring elements, so the unconditional display-width fallback is not an approximation for any element that exists today. | If a future DAT revision adds a `P0xD0`-truncated text element, a game-code `SetTooltip` caller, or authors a `P0x3D` override, it silently shows no tooltip / wraps at the wrong width instead of erroring — indistinguishable from "the element authors no tooltip at all" without re-running the sweep AND separately auditing which of the 187 no-literal-text elements would actually truncate at their authored width. | `UIElement::InqProperty @0x004638D0` (base authored-bag read, NOT a dynamic override); `UIElement::StartTooltipAtMouse @0x00460D70` (`m_TTText`-vs-`InqProperty` preference order); `UIElement_Text::RecalculateTruncation @0x00466F80` (`P0xD0` gate, `SetTooltip`/`ClearTooltip` sites); `UIElement_Text::InqSizewMargins @0x00469660` (`UITS_MAX_WIDTH` branch, `GetAttribute_Int(this, 0x3D, ...)`); Batch B (2026-08-17): `gmSpellcastingUI::UpdateCastButtonTooltip @0x004C6A30` (cast-button state machine); `gmSpellcastingUI::UpdateEndowmentIcon @0x004C6120` (endowment-icon `"%s (%hs)"` confirmation); `SpellCastSubMenu::AddFavorite @0x004C7060` / `UpdateFromPlayerModule @0x004C6570` (favorite/submenu plain-name confirmation); `ItemUses::IsUseable_SelfTarget @0x004fcd30`; `AttributeInfoRegion::AttributeInfoRegion @0x004f1530` / `Attribute2ndInfoRegion::Attribute2ndInfoRegion @0x004f1680` / `SkillInfoRegion::SkillInfoRegion @0x004f2140` / `SkillInfoRegion::GetTooltip @0x004f1fe0`; `SkillSystem::InqAttributeName @0x005c8d90` / `InqAttributeDescription @0x005c8e30` / `InqAttribute2ndName @0x005c8ed0` / `InqAttribute2ndDescription @0x005c8f70` / `InqSkillFormula @0x005c89b0` |
-| TS-84 | Chargen 3D preview (Campaign CC slice CC6a foundation): `ChargenClothingTable`'s composer skips retail's ~8-branch Setup-id substitution chain (`ClothingTable::BuildObjDesc @ 0x005A7900`'s Umbraen/Penumbraen/Undead/Anakshay fallback) when a garment's `ClothingBaseEffects` has no entry for the resolved body Setup. MEASURED (not assumed) against the installed EoR dat across all 26 heritage/gender combinations via `ChargenAppearanceCatalogInstalledDatTests`, with the measurement now PINNED by a real assertion rather than diagnostic-only output (review fix round F7): the 9 standard heritages whose UI actually shows clothing controls resolve every default gear choice with zero coverage gaps. Undead is a real gap — its default gear choices (both genders) have NO base-effect entry on **ALL FOUR clothing slots — headgear, trousers, shirt, AND footwear** (not the three-slot "headgear/trousers/footwear" this row originally understated, with a self-contradicting "4 of 4 non-shirt slots" aside — corrected at the review fix round F2) — for Undead's own live body Setup (male 0x02001A9C / female 0x02001AA0), because that Setup is one of the skeleton/zombie variants the un-ported chain exists to redirect. The four measured missing clothing-table ids are identical on both genders and in a fixed order: `0x10000009, 0x100000F9, 0x10000001, 0x10000007` (Headgear, Trousers, Shirt, Footwear — the factory's own composition order). Gear Knight and both Olthoi variants also show gaps under a synthetic "select every offered option" sweep, but retail hides the clothing controls entirely for those three heritages (`gmCGAppearancePage::Update @ 0x0047E8F0`'s `m_pClothesButton->SetVisible(0)` branches for `mHeritageGroup == 6` and `== 0xc \|\| == 0xd`), so a real chargen selection never reaches them — not a live gap. | `src/AcDream.Core/CharGen/ChargenClothingTable.cs`; `src/AcDream.Core/CharGen/ChargenAppearanceFactory.cs` (`ComposeClothingSlot`) | CC6a is explicitly the rendering-foundation slice (index→ObjDesc factory + static-pose offscreen renderer, no page mount yet); porting the ~8-branch substitution chain is bounded follow-up work once CC6b wires real clothing-slot UI, not a blocker for the foundation deliverable — and the installed-DAT test proves the gap is narrow (one heritage, all four of ITS slots) rather than pervasive. | Undead's default clothing preview renders the bare body mesh for ALL FOUR slots — headgear, trousers, shirt, AND footwear (no clothing part/texture override applied on any of them, though the dye subpalette contribution — gated on a DIFFERENT lookup — is unaffected) — until the chain, or an equivalent per-heritage default-clothing-Setup map, is ported. | `ClothingTable::BuildObjDesc @ 0x005A7900` (Umbraen/Penumbraen/Undead/Anakshay Setup-substitution branches); `gmCGAppearancePage::Update @ 0x0047E8F0` (clothes-button visibility gate); `tests/AcDream.Content.Tests/CharGen/ChargenAppearanceCatalogInstalledDatTests.cs` |
-| TS-73 | **NARROWED 2026-08-11 at Campaign OP slice OP4.** `RuntimeCharacterOptionsState.TrySetOption`'s port of `CPlayerModule::OnChanged @0x0059A8E0`'s local side-effect switch (step 2) still covers only the two `PlayerModule`-state-mutating cases (`case 2`/`case 0x12` fellowship mutual exclusion) — that part is unchanged. Of the four presentation-binding cases, TWO are now closed: `0x07 ViewCombatTarget` (re-pointed `ICombatGameplaySettingsSource` reads `RuntimeCharacterOptionsState` live — `CharacterOptionCombatSettingsSource`, `src/AcDream.App/Combat/LiveCombatAttackOperations.cs`) and `0x30 DisableDistanceFog` (`WeatherSystem.DisableDistanceFogSource`, a poll bound once in `GameWindow.cs`, forces `FogMode.Off` in `WeatherSystem.Snapshot`) — NEITHER lives inside `TrySetOption`'s own switch; both are separate App-layer poll bindings, so the literal claim in this row's title ("this Runtime-only seam can reach") stays true, but the user-observable symptom is fixed for these two ids. The remaining two, `0x04 DisableMostWeatherEffects` and `0x05 PersistentAtDay`, stay open — see TS-6 (weather-particle subsystem not yet located) and TS-75 (day/night force) respectively; this row no longer duplicates either. | `src/AcDream.Runtime/Gameplay/RuntimeCharacterState.cs` (`RuntimeCharacterOptionsState.TrySetOption`) | The remaining two options are correctly scoped to their OWN pre-existing/new rows (TS-6, TS-75) rather than re-litigated here. | Toggling `DisableMostWeatherEffects`/`PersistentAtDay` writes the bit and dirties/auto-saves it correctly, but produces NONE of retail's immediate local presentation change (weather doesn't stop, day/night doesn't force) — see TS-6/TS-75 for why. `ViewCombatTarget`/`DisableDistanceFog` are retired from this row's risk: both now behave correctly. | `CPlayerModule::OnChanged @0x0059A8E0`; `docs/research/2026-08-10-character-options-map.md` §1.5 |
-| TS-75 | "Always Daylight Outdoors" (`PlayerOption PersistentAtDay`, `CPlayerModule::OnChanged` case `0x05` → `LScape::SetDay(value)`) has no acdream consumer. The campaign plan's own Group-B binding table cites `RuntimeWorldEnvironmentDefinition.ForcedDayGroupIndex` as the target seam — **that citation is a mechanism mismatch, corrected here**: `ForcedDayGroupIndex` selects which WEATHER-VARIETY day-group (`RuntimeWorldDayGroupDefinition`, e.g. a Clear/Overcast/Rain/Snow/Storm pick) is always chosen — the SAME deterministic-per-day-RNG mechanism `WeatherSystem`'s own roll uses (see TS-6) — NOT retail's time-of-day day/night force. No acdream mechanism currently overrides the sky cycle's TIME to stay in daytime lighting; wiring this option correctly needs that mechanism built first, not just a poll into the wrong field. | `src/AcDream.Runtime/World/RuntimeWorldEnvironmentState.cs` (`RuntimeWorldEnvironmentDefinition.ForcedDayGroupIndex` — NOT the right target); no current consumer exists | Filed rather than silently wired to the wrong field — a poll into `ForcedDayGroupIndex` would have SILENTLY changed the character's weather-variety odds instead of forcing daytime, an incorrect fix masquerading as a correct one (CLAUDE.md's "no workarounds" rule). | Toggling the option writes the bit and dirties/auto-saves it correctly, but night still falls normally — no observable daylight-forcing behavior. | `CPlayerModule::OnChanged @0x0059A8E0` case 5; `LScape::SetDay` (not yet located in the decomp) |
-| TS-76 | Five Character-tab rows have no acdream consumer at all (research doc §4.2's own "state-only, no consumer" list, narrowed to the ids NOT already closed by Campaign OP's Group-C re-points): "Display 3D Tooltips" (`ShowTooltips`), "Side By Side Vitals" (`SideBySideVitals`), "Display Spell Durations" (`SpellDuration`), "Advanced Combat Interface" (`AdvancedCombatUI`), "Stay in Chat Mode After Sending a Message" (`StayInChatMode`) — retail renders 3D item tooltips, an alternate side-by-side vitals layout, remaining-duration overlays on enchantment icons, an expanded combat panel, and a chat-input-stays-open behavior respectively; acdream has none of the four rendering surfaces and no chat-input-close-on-send behavior to gate in the first place. | `src/AcDream.App/UI/Layout/CharacterOptionsPageController.cs` (the rows wire+store only) | Each needs a real UI/behavior feature built before the option means anything — inventing a stand-in now would be exactly the workaround CLAUDE.md forbids. | Toggling any of the five writes the bit and dirties/auto-saves it correctly, but no observable client behavior changes. | `gmGamePlayUI::RecvNotice_PlayerOptionChanged @0x004e9da0`; `EffectInfoRegion::Update @0x004f1c00`; `gmCombatUI::RecvNotice_SetCombatMode @0x004cc620`; `ChatInterface::HandleEnterKey @0x004f52d0`; `UIElement_SmartBoxWrapper::RecvNotice_SmartBoxObjectFound @0x004e5ad0` |
-| TS-77 | "Filter Language" (`PlayerOption FilterLanguage`) has no acdream consumer — retail filters profanity out of chat text against a DAT `TabooTable`/`NameFilterTable` at the SAME `ClientSystem::AddTextToScroll` chokepoint `RuntimeCommunicationState.AddText` now applies Display-Timestamps at; acdream has no profanity-filter subsystem to gate. | `src/AcDream.Runtime/Gameplay/RuntimeCommunicationState.cs` (`AddText`) | A real filter needs the DAT `TabooTable`/`NameFilterTable` reader (types exist in `DatReaderWriter.DBObjs`, unread by acdream) and the actual retail filter algorithm — future scope, not invented here. | Toggling the option writes the bit and dirties/auto-saves it correctly, but no chat text is ever filtered. | `ClientSystem::AddTextToScroll @0x00563c50`; `DatReaderWriter.DBObjs.TabooTable`/`NameFilterTable` |
-| TS-78 | "Use Main Pack as Default for Picking Up Items" (`PlayerOption MainPackPreferred`) has no acdream consumer — retail's `CPlayerSystem::PlaceInBackpack @0x0055d8c0` chooses which container a picked-up item lands in client-side; acdream's pickup path (`SendPickup`) has no client-side preferred-container selection at all today. | item-pickup path (`src/AcDream.App/UI/ItemInteractionController.cs` and siblings) — no consumer wired | A real consumer needs the client-side container-preference decision retail's `PlaceInBackpack` makes, which does not exist in the current pickup flow — future scope. | Toggling the option writes the bit and dirties/auto-saves it correctly, but item pickups route exactly as before (server-decided placement). | `CPlayerSystem::PlaceInBackpack @0x0055d8c0` |
-| TS-79 | Group D (plan §4 OP4): "Salvage Multiple Materials at Once" (`SalvageMultiple`) and "Disable House Restriction Effects" (`DisableHouseRestrictionEffects`) have no acdream consumer — acdream has no salvage UI (`gmSalvageUI`) and no housing subsystem (`ACCWeenieObject::CanMoveInto`) for either option to gate. | no consumer — both are Character-tab rows, wire+store only | Both require whole unbuilt subsystems (salvage crafting UI; player housing); inventing a stand-in is out of scope for a settings-panel slice. | Toggling either option writes the bit and dirties/auto-saves it correctly, but no observable client behavior changes (both are also currently unreachable — no salvage UI, no housing). | `gmSalvageUI::IsItemSuitable @0x004cb040`; `ACCWeenieObject::CanMoveInto @0x0058da40` |
-| TS-80 | "Share Fellowship Experience and Luminance" (`PlayerOption FellowshipShareXP`) is Group D's one CLIENT-SOURCED option (character-options-map.md §3): retail's `gmFellowshipUI::CreateFellowship` reads the option value and puts it directly in the fellowship-CREATE wire action; ACE takes XP-sharing from that packet field, never from the stored `CharacterOptions1` bit (`Entity/Fellowship.cs:31,53-54`). Storing the bit alone (this slice's row) is necessary but not sufficient — acdream's own fellowship-create action does not yet read it into the create packet. **PARTIALLY NARROWED 2026-08-12 at Campaign FA slice FA2: the wire mechanism now exists end-to-end — `IRuntimeFellowshipCommands.Create(gen, name, shareXp)` takes and sends `shareXp` on `0x00A2` — but no caller reads `FellowshipShareXP` into that parameter yet (the create dialog is FA4 scope); the risk below is unchanged until that UI lands.** | fellowship-create action (`src/AcDream.Runtime/Session/DirectGameRuntimeCommandAdapter.cs` `Create`; `src/AcDream.App/Runtime/CurrentGameRuntimeCommandAdapter.cs` `Create`) — takes `shareXp` as an explicit caller-supplied argument, not yet fed from the option bit | Filed rather than silently assumed correct — a bit that LOOKS wired (toggles, persists, sends `0x0005`) but is never actually consulted by fellowship creation would silently share/withhold XP incorrectly the moment a fellowship is created. | Toggling the option and then creating a fellowship may not honor the toggle — the created fellowship's actual XP-share setting depends on whatever caller value FA4's create dialog passes, unaudited by this slice. | `gmFellowshipUI::CreateFellowship` (address not captured this slice); ACE `Entity/Fellowship.cs:31,53-54` |
-| TS-81 | `0x027A AllegianceLoginNotification`'s retail-faithful two-line chat text (lane C §1.6/§7.1: "is the guid in my cached profile" gate, then a logged-on/logged-off line) is NOT emitted. `RuntimeAllegianceState.ApplyLoginNotification` bumps the snapshot revision only. Retail's own handler chain (`ClientAllegianceSystem::Handle_Allegiance__AllegianceLoginNotificationEvent @0x00569ff0` → `CM_Allegiance::SendNotice_AllegianceLogin @0x006a7330` → `gmAllegianceUI::RecvNotice_AllegianceLogin @0x00492220`) resolves its logged-on/logged-off string via two symbols the Binary Ninja decompiler mis-labels as `gmAllegianceUI::\`vftable'.RecvNotice_PrevSpellTab`/`RecvNotice_UpdateSpellComponents` — a decompiler artifact (the address holds a DAT string-table reference, not those vtable slots; same class CLAUDE.md's BN-literal-0 caution warns about) that must be resolved via `compute_str_hash`/DAT string-table lookup, not guessed. Filed rather than inventing English for the two lines. | `src/AcDream.Runtime/Gameplay/RuntimeAllegianceState.cs` (`ApplyLoginNotification`) | CLAUDE.md's "no invented user-visible English ever" rule — the candidate strings are BN-mislabeled and unverified from primary source; guessing here is exactly the negligence the workflow rules forbid. | A player never sees retail's "X has logged on/off" allegiance notice; the event still fires and updates Runtime state (usable for a future bot/UI poll), just with no chat line. | `ClientAllegianceSystem::Handle_Allegiance__AllegianceLoginNotificationEvent @0x00569ff0`; `CM_Allegiance::SendNotice_AllegianceLogin @0x006a7330`; `gmAllegianceUI::RecvNotice_AllegianceLogin @0x00492220` |
-| ~~TS-1~~ | **RETIRED 2026-07-30 (Campaign P Slice P2) — the row was stale, not the code.** The cited `:1254` line is unrelated stepping-loop code; the file moved substantially since the row was written. Retail's `EdgeSlide → PrecipiceSlide / CliffSlide` chain is already a real, tested port: `SpherePath.PrecipiceSlide` (`TransitionTypes.cs:943-970`, retail `SPHEREPATH::precipice_slide` pc:274316), `Transition.CliffSlide` (`:2080-2164`, retail `CTransition::cliff_slide` pc:272397, return-value mapping verified against `acclient.h:6100-6108`), and `Transition.EdgeSlideAfterStepDownFailed` (`:1907-2078`, mirrors `CTransition::edge_slide` pc:273001-273090). The one real gap (back-probe fallback skipping retail's `walkable_check_pos`/`localspace_sphere` recache, pc:274318-274326) needed no code change: acdream's `WalkableVertices`/`GlobalSphere` are populated in unified world space at assignment time (`SetWalkable`/`SetWalkableTransformed`, `SetCheckPos`/`RestoreCheckPos`), so both operands `BSPQuery.FindCrossedEdge` compares are already commensurable — retail's per-cell local-frame reprojection is a no-op correction here. Documented in-code at the back-probe site and pinned by `EdgeSlideBackProbePrecipiceSlideTests`. The chain's two acdream-only compensating branches (CliffSlide's three-source reference-normal fallback; the walkable-steepness reroute to CliffSlide before PrecipiceSlide) are real, non-retail additions — filed as AD-53 / AD-54 rather than folded into this row. | `src/AcDream.Core/Physics/TransitionTypes.cs` (`SpherePath.PrecipiceSlide`, `Transition.CliffSlide`, `Transition.EdgeSlideAfterStepDownFailed`); `tests/AcDream.Core.Tests/Physics/EdgeSlideBackProbePrecipiceSlideTests.cs` | — | — | `SPHEREPATH::precipice_slide` pc:274316 (0050cc80); `CTransition::cliff_slide` pc:272397 (0050a6d0); `CTransition::edge_slide` pc:273001-273090 (0050b3d0); `SPHEREPATH::get_walkable_pos`/`cache_localspace_sphere`/`set_walkable_check_pos` pc:274318-274326 (0050a8f0/0050c9d0/00509ce0); `docs/research/2026-07-30-response-layer-edge-family-pseudocode.md` §2, §6 Step 1 |
-| ~~TS-4~~ | **RETIRED 2026-07-31 (Campaign P Slice 2B; corrective acceptance complete).** The graph and prepared-flat Path-6 implementations now match retail's exact two-sphere split: every primary/foot polygon hit calls `SetCollide`, sets `WalkableAllowance=LandingZ`, and returns `Adjusted`; only a secondary/head hit writes `CollisionNormal` and returns `Collided`. The steep tangent shortcut and every BSP-layer `SetSlidingNormal` write are deleted. Exact site tests pin all changed and preserved fields plus raw-bit graph/flat parity. A corrective 90-tick already-airborne, zero-root-motion Core suite executes acceleration, body integration, transition resolution, exact commit, and `handle_all_collisions` while retaining every behavior-bearing collision/body field used by that specialized quantum. Vertical, inward, tangential, downhill, and positive-Z uphill-jump traces match graph/flat by raw bits, reject penetration/fixed points/second launches, and pin exact terminal velocity, contact, sliding, and contact-plane state. The older resolver-only capture is explicitly historical and restored to its three-second bound. | `src/AcDream.Core/Physics/BSPQuery.cs`; `src/AcDream.Core/Physics/FlatBspQuery.cs`; `tests/AcDream.Core.Tests/Physics/Ts4Path6ConformanceTests.cs`; `tests/AcDream.Core.Tests/Physics/Ts4ProductionQuantumConformanceTests.cs`; `tests/AcDream.Core.Tests/Physics/Ts4SteepRoofWedgeCaptureTests.cs` | — | — | `BSPTREE::find_collisions` 0x0053A440: head `0x0053A793..0x0053A7A4`, foot `0x0053A7B3..0x0053A7DC`; research §10 |
+| TS-1 | PrecipiceSlide context missing — conservative stop-at-edge instead of retail's EdgeSlide → PrecipiceSlide / CliffSlide | `src/AcDream.Core/Physics/TransitionTypes.cs:1254` | Awaiting the next L.2c slice; a diagnostic records which ingredient (precipice context / steep plane / EdgeSlide flag) is missing | Player stops dead at precipice edges where retail slides along/over — visible mismatch at cliff and roof edges | retail EdgeSlide → PrecipiceSlide chain |
+| TS-4 | Path-6 steep-poly slide-tangent shortcut: airborne hits on >FloorZ polys skip retail's SetCollide → Path-4 → ContactPlane landing chain, returning Slid in place. **Includes a `SetSlidingNormal` write at both sites** — retail's BSP layer never writes `collision_info.sliding_normal` (only `validate_transition` 0x0050ac21 does; the #137 mechanism-2 class), so on transition success the steep-face normal persists to the body and seeds the next frame | `src/AcDream.Core/Physics/BSPQuery.cs` (Path-6 steep branches, `worldNormal.Z < FloorZ`) | Deliberate deviation: our faithful port DID wedge (missing step_up_slide / cliff_slide details on grounded-steep); validated against the 2026-04-30 retail cdb trace (retail body didn't wedge). Filed L.5+ for retail-strict | Airborne steep contact never commits Contact / lands as retail — roof-bounce trajectories, landing events, grounded-steep transitions diverge; a persisted steep-face normal can absorb an exactly-anti-parallel next-frame push (#137 wedge class) until an oblique input clears it | `BSPTREE::find_collisions` SetCollide pc:323783-323821 |
+| TS-5 | `CanJump` always true — burden/stamina gating deferred (stat plumbing incomplete pre-M2). R3-W3 extends this row: `IWeenieObject.JumpStaminaCost`/`PlayerWeenie.JumpStaminaCost` are new (feeding `jump_is_allowed`'s verbatim stamina-refusal branch) and are ALSO always-affordable/cost-0 stubs for the same reason | `src/AcDream.Core/Physics/PlayerWeenie.cs:44` (`CanJump`), `:52` (`JumpStaminaCost`, R3-W3) | Marked deferred; harmless until stats matter | Client launches jumps retail refuses (exhausted/overburdened) — server rejection / rubber-band; divergent jump availability vs retail muscle memory | CMotionInterp jump path stamina/burden inquiry; `jump_is_allowed` 0x005282b0 `JumpStaminaCost` vtable +0x44 |
| TS-6 | Weather particle emission suppressed — all weathery DayGroups map to Overcast (correct fog/cloud tone, no precipitation); retail's camera-attached weather subsystem not yet located in the decomp | `src/AcDream.Core/World/WeatherState.cs:200` | Decomp research verified the sky loop never reads `DefaultPesObjectId`; an earlier name-based rain spawn regressed (rained where retail didn't, 2026-04-23) — inventing a name→rain path is forbidden until the real subsystem is found | Rainy/snowy/stormy days never show retail's precipitation effects (permanent missing visuals until the subsystem is found and ported) | FUN_00508010 / FUN_0051bed0→FUN_0051bfb0 (negative findings) |
| TS-7 | SkyObject `weather_enabled` gate not honored — weather-flagged sky objects (bit 0x04) always instantiate | `src/AcDream.Core/World/SkyDescLoader.cs:50` | No weather_enabled toggle exists yet; IsWeather flag parsed + documented as the gate to wire | Weather-only sky meshes (rain cylinders) appear where retail-with-weather-off suppresses them | `GameSky::MakeObject` 0x00506ee0, guard at decomp:268630 |
-| ~~TS-8~~ | **RETIRED 2026-07-31 (#268 stat-chain closeout).** `EnchantmentWireReader` parses the complete 0x02C2 payload and `GameEventWiring` publishes its StatMod type/key/value and bucket through the same `ActiveEnchantmentRecord` used at login. An end-to-end dispatch test proves a mid-session skill modifier changes `LocalPlayerState.GetEffectiveSkill` immediately. | `src/AcDream.Core.Net/Messages/EnchantmentWireReader.cs`; `src/AcDream.Core.Net/GameEventWiring.cs`; `tests/AcDream.Core.Net.Tests/GameEventWiringTests.cs` | — | — | `CEnchantmentRegistry::EnchantAttribute @ 0x00594570`; `CEnchantmentRegistry::EnchantSkill @ 0x005947B0`; holtburger `messages/magic/types.rs` |
-| TS-9 | **RE-SCOPED 2026-08-08 (Campaign A slice A6) — the blast radius is one wave, measured.** MP3 (0x55) and MS-ADPCM (0x02) waves still decode to null and play as silence where retail decoded both through the winmm ACM. What changed is the size of the problem: an independent walk of the shipped dats found exactly **1 MP3 among 786 waves** (`0x0A000393`, a ~2 s mono clip) and the row's original "any MP3 cue, common for music-ish clips" framing was wrong — it was written when we believed retail had a music system, and retail has none. A managed decoder for one two-second asset is not worth the dependency; the honest options are a ~50-line decode or an accepted-loss row, and this row is now the accepted-loss record. The ADPCM count has NOT been measured and is the one open question here. | `src/AcDream.Core/Audio/WaveDecoder.cs:33` | Measured rather than assumed. PCM covers 785 of 786 waves. | One ~2 s clip is silent, plus an unmeasured number of ADPCM clips. | winmm ACM path; dat census in `docs/research/2026-08-08-audio-retail-dat-layer.md` §4c |
+| TS-8 | `MagicUpdateEnchantment` (0x02C2) records carry no StatMod — mid-session buffs don't move vital max until relog (**#7/#12**) | `src/AcDream.Core/Spells/Spellbook.cs:150` | The wire parser hasn't been extended to the full ~60-64 byte Enchantment payload; PlayerDescription's block IS parsed | Vitals HUD percent reads differently from retail for the whole session after any buff cast | `EnchantAttribute` 0x00594570; holtburger magic/types.rs |
+| TS-9 | MP3 (0x55) and MS-ADPCM (0x02) waves undecoded — affected sounds skipped; retail decoded both via winmm ACM | `src/AcDream.Core/Audio/WaveDecoder.cs:33` | Managed decoder (NAudio or similar) deferred; PCM covers the vast majority of ~3500 waves | Any MP3 (common for music-ish clips) or ADPCM cue plays as silence where retail plays it | winmm ACM path (r05 §2.1) |
| TS-14 | Setup `Flatten` ignores ParentIndex part hierarchy (treats every placement as root-local); still in production use (GameWindow hydration, SkyRenderer) | `src/AcDream.Core/Meshing/SetupMesh.cs:15` | Most Setups are flat single-level rigs where root-local equals composed; hierarchical composition deferred ("Phase 3") | Any Setup with genuinely nested parts renders them at wrong offsets — mis-assembled multi-part objects in the Flatten paths | retail Setup ParentIndex chain composition |
| TS-15 | No distance-driven degrade (LOD): always close-detail slot 0; plus the **#47** static `Degrades[0]` swap for 34-part humanoids only (structural sentinel detector) | `src/AcDream.Core/Meshing/GfxObjDegradeResolver.cs:57` (+ `src/AcDream.App/Rendering/GameWindow.cs:2608`) | LOD plumbing doesn't exist; slot 0 is correct for player + nearby NPCs; #47 closed the visible low-detail-arms bug without porting UpdateViewerDistance | Distant objects render max-detail (perf + wrong visuals where far meshes intentionally differ/hide parts); a future 34-part non-humanoid matching the sentinel gets the wrong mesh swap | `CPhysicsPart::UpdateViewerDistance` 0x0050E030; ::Draw 0x0050D7A0; ::LoadGfxObjArray 0x0050DCF0 |
| TS-17 | AttackConditions suffix always empty in combat chat — formatting ported, wire bitflag not plumbed (Phase I.7 follow-up) | `src/AcDream.Core/Chat/CombatChatTranslator.cs:233` | Only the wire plumbing is missing; the holtburger-ported formatter is ready | Combat log omits "[Sneak Attack]"-style suffixes retail displays — hidden combat-mechanic feedback | holtburger chat.rs:588-595 |
@@ -439,17 +249,23 @@ AP-94..AP-112 for the confirmed retail-UI completion gaps.
| TS-19 | Legacy non-retail ChaseCamera (invented pitch/distance, K-fix12 airborne Z-pin) retained behind `ACDREAM_RETAIL_CHASE=0` / DebugPanel toggle; both update every frame | `src/AcDream.App/Rendering/ChaseCamera.cs:49` | Diagnostic before/after comparison path, "pending the follow-up deletion commit" | When toggled on, the eye diverges from retail's spring-arm — and the render roots at the VIEWER cell, so a non-retail eye changes the render root near doorways, masking or manufacturing flap symptoms during debugging | `CameraManager::UpdateCamera` (retail path in RetailChaseCamera.cs) |
| ~~TS-20~~ | **RETIRED AS A FALSE ATTRIBUTION 2026-07-16** — `CGfxObj::InitLoad` passes the complete polygon array to `D3DPolyRender::ConstructMesh`; ordinary GfxObj rendering does not filter it through DrawingBSP. Building DrawingBSP traversal discovers and orders portal apertures after `RemoveNonPortalNodes`; it is not a global visible-polygon selector. The alleged building-shell "orphans" are `DrawingBSPNode.Portals`, omitted by the old diagnostic collector; the corrected node-polygons ∪ portal-polygons audit finds no true orphans. Applying the proposed filter would repeat the door disappearance regression from `e46d3d9`. | `docs/research/2026-06-11-holistic-map/wf1-gfxobj-draw.md`; `docs/research/2026-06-11-holistic-map/wf1-building-shells.md`; `tests/AcDream.Core.Tests/Rendering/Wb/Issue113DoorVanishDiagnosticTests.cs` | — | — | `CGfxObj::InitLoad @ 0x005346B0`; `D3DPolyRender::ConstructMesh @ 0x0059DFA0`; `BSPTREE::build_draw_portals_only @ 0x00539860` |
| TS-21 | Default run/jump skills 200/300 tuned to feel until the first PlayerDescription lands (the stale "we don't parse yet" comment was FIXED in R4-V5; K-fix7 parses PD → SetCharacterSkills) | `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:311` | Defaults rule only pre-PD or on PD parse failure; jump bumped 200→300 on user complaint (3.01 m max felt too low) | Any window with defaults live predicts run/jump speeds the server disagrees with — observer rubber-banding, local snap-backs | retail height = (skill/(skill+1300))×22.2 + 0.05 |
+| TS-23 | PK/PKLite/Impenetrable mover bits never set (PlayerKillerStatus not parsed from PD); moverFlags always `IsPlayer ∣ EdgeSlide` — for BOTH the LOCAL player mover and, as of **#184 Slice 2b**, every remote-PLAYER dead-reckoning mover | `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:1177`; `src/AcDream.App/Physics/RemotePhysicsUpdater.cs` (`Tick` sweep, `IsPlayerGuid` branch) | Non-PK pair walks through other non-PK players — retail's default for ACE's character-creation defaults. Slice 2b gave the remote-player mover `IsPlayer` (was bare `EdgeSlide`) so remote-vs-remote non-PK players WALK THROUGH exactly like the local player and like retail (they still collide with monsters + terrain + walls); without it Slice 2b would have de-overlapped players (MORE solid than retail) | On a PK/PKLite character the client lets players walk through where retail collides — now for the local player AND remote-vs-remote — the moment PvP statuses enter play (M2+) | PWD._bitfield acclient.h:6431-6463; pc:406898-406918; FindObjCollisions PvP block pc:276812 (mover IsPlayer via OBJECTINFO::init 0x0050cf30 `state\|=0x100`) |
+| TS-24 | RawMotionState action list always empty at runtime — the packer emits `num_actions` (bits 11–15) + per-action u16 pairs (L.2b, `RawMotionState::Pack` 0x0051ed10), and R3-W1 gives `RawMotionState`/`InterpretedMotionState` the retail-faithful action FIFO (`AddAction`/`RemoveAction`/`ApplyMotion`/`RemoveMotion`, `src/AcDream.Core/Physics/RawMotionState.cs` + `MotionInterpreter.cs`), but nothing calls `AddAction` yet — the outbound caller still builds an empty `Actions` list, so discrete motion events (emotes, one-shots) are still never broadcast | `src/AcDream.App/Rendering/GameWindow.cs:8297` (empty Actions); packer `src/AcDream.Core.Net/Messages/RawMotionStatePacker.cs:91`; FIFO capability `src/AcDream.Core/Physics/RawMotionState.cs` | Discrete client-initiated motions (D2) not wired yet; packer-ready, state-ready (W1), runtime emission lands with R3-W2's `add_to_queue`/`DoInterpretedMotion` population | When player-triggered emotes land, they silently never broadcast — observers see idle while the local client animates | `RawMotionState::Pack` 0x0051ed10; num_actions `PackBitfield` acclient.h:46487 |
+| TS-25 | `current_style` (stance, flag bit 0x2) never populated at runtime — the packer now emits it when it differs from the retail default 0x8000003D (L.2b), but the outbound caller leaves `CurrentStyle` at default (stance not tracked here) | `src/AcDream.App/Rendering/GameWindow.cs:8286` (CurrentStyle left default); packer `src/AcDream.Core.Net/Messages/RawMotionStatePacker.cs:80` | Stance switching is M2 combat scope | Once combat-mode switching ships, mid-stance MoveToStates omit the style — server/observers keep the stale stance, wrong cycle family for every subsequent movement | `RawMotionState::Pack` current_style 0x0051ed10 |
| TS-27 | **NARROWED 2026-07-29 (Campaign N Slice N1)** — OUTBOUND is ported: sent-packet cache + header-rebuilt resend on server `RequestRetransmit`, `ids[0]` implicit ack, wrap-safe watermark prune (`src/AcDream.Core.Net/Transport/`). Residual: INBOUND loss is still fatal — no sequence-aligned inbound ISAAC discipline, no client NAK emission, no `RejectRetransmit` consumption (Campaign N slices N2/N4) | `src/AcDream.Core.Net/WorldSession.cs` (`ProcessDatagram` inbound path); `docs/plans/2026-07-29-network-transport-campaign.md` §2.2/§2.3 | Campaign N executes the port one direction per slice; the N0 ACE double grades each slice before the next lands | One lost S2C packet still shifts the inbound keystream permanently — every later encrypted packet fails checksum and the session goes silently deaf until timeout | `SharedNet::ProcessPacket @ 0x00544790`; `ReceiverData::AddNakked @ 0x00549240`; `SharedNet::EnqueueNaks @ 0x00543BD0` |
-| TS-28 | **NARROWED 2026-08-17 (enter-world round; gate-fix round same day)** — the GRAPHICAL host now runs retail's full login wormhole: the login reveal (`RuntimeWorldTransitState.BeginLoginReveal`, shared by direct auto-select, character-select Enter, and enter-after-create) arms the same `TeleportAnimSequencer`/`PortalTunnelPresentation` machine the F751 pump uses (`LocalPlayerTeleportController` login arm), with `Sound_UI_EnterPortal`/`Sound_UI_ExitPortal` at retail's edges and LoginComplete sent at the WorldFadeIn end gated on canonical first placement. The gate-fix round closed both void edges: live pre-world frames present retail's BLACK empty-viewport frame (`LocalPlayerTeleportRenderStateSource` folds `IsWaitingForLogin` into the portal-viewport frame shape — retail's pre-player gameplay screen draws no world; the invented sky-only backdrop is deleted), and the login pump's Place edge acknowledges `RuntimeWorldTransitState.AcknowledgeLoginMaterialized` (retail resumes `CObjectMaint`/`CPhysics` when destination cells stop blocking, while the tunnel is in front) so WorldFadeIn draws the world instead of a void. Residual: HEADLESS hosts have no presentation — prepared headless sends LoginComplete once after canonical local-player first placement; content-less headless sends after its accepted direct Create because it has no placement conductor. | `src/AcDream.App/Streaming/LocalPlayerTeleportController.cs` (login arm); `src/AcDream.App/Net/LiveSessionRuntimeFactory.cs` (first-entry completion latch); `src/AcDream.Headless/Hosting/HeadlessSessionEventRoute.cs`; `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs` | Headless hosts are bots — an animation hold would only delay automation; their placement-edge send remains the truthful admission contract. | A headless bot's LoginComplete reaches ACE seconds earlier than a graphical client's, so its observer-visible materialization is earlier than retail cadence. | `SmartBox::teleport_in_progress @ 0x00451C20`; `gmSmartBoxUI::UseTime @ 0x004D6E30` (login edge @ 0x004D6EAB, LoginComplete @ 0x004D745D); `gmSmartBoxUI::BeginTeleportAnimation @ 0x004D6300` (enter cue @ 0x004D638E); `SmartBox::UseTime @ 0x00455410` (position_update_complete @ 0x00455483); `CPlayerSystem::SendLoginCompleteNotification @ 0x00562E90`; holtburger `client/messages.rs:391-422` |
-| ~~TS-29~~ | **RETIRED 2026-08-08 (Campaign A slices A5/A6).** Both halves are resolved, in opposite directions. **Ambient:** ported. `AmbientSoundGatherer` walks retail's 3x3 landblock ring x 64 land cells off the region file's `SoundInfo`/`SceneInfo`/`TerrainInfo` chain, `AmbientSoundScheduler` runs the absolute-deadline queue, and continuous beds are re-fired one-shots on `min_rate` rather than looping voices — retail never sets the DirectSound loop flag, so the `StartAmbient`/`StopAmbient` handle API this row described modelled a mechanism that does not exist and is deleted. **Music:** there is nothing to port. Retail EoR links a complete winmm MIDI player and never feeds it — `midiPlay` has zero callers, the string "music" appears zero times in the 65 MB decomp, `SoundType` has no music member, `InitPrefs` registers no music key, and the retail install ships no music files. What players remember as dungeon music is the AdminEnvirons `UI_*` stinger family (TS-54, landed at A4). | retired | — | — | `Ambient::UpdatePlayQueue @ 0x551A50`; `Ambient::Play @ 0x5517A0`; `Ambient::UseTime @ 0x551880`; `CLandBlock::add_ambient_sounds @ 0x530310`; `docs/research/2026-08-08-audio-retail-ambient-runtime.md`; `docs/research/2026-08-08-audio-retail-music-absence.md` |
+| TS-28 | **NARROWED 2026-07-15** — F751 teleports now resend LoginComplete only after the DAT-authored portal-space viewport and final world fade finish. Initial login still sends LoginComplete directly from the PlayerCreate (0xF746) handler and does not enter the portal-space presentation. | `src/AcDream.Core.Net/WorldSession.cs` (PlayerCreate branch); `src/AcDream.App/Rendering/GameWindow.cs` (F751 `FireLoginComplete`) | The live-session bootstrap currently needs the acknowledgement to unlock the initial authoritative object/property stream; moving initial login behind the App presentation requires an explicit session→presentation readiness contract rather than withholding it inside Core.Net | Initial login can expose server updates earlier than retail and skips the wormhole presentation; recalls/portals now have retail ordering | `gmSmartBoxUI::UseTime @ 0x004D6E30`; retail post-EnterWorld flow; holtburger `client/messages.rs:391-422` |
+| TS-29 | Background music (MIDI) + ambient loops not ported: PlayMusic/StopMusic no-op; StartAmbient reserves a handle that never plays | `src/AcDream.App/Audio/OpenAlAudioEngine.cs:331` | Explicitly outside R5 audio-phase scope; a landblock-attached ambient system is planned separately | Silent world where retail has music/atmosphere; code trusting StartAmbient's handle to mean "playing" is already subtly wrong (StopAmbient looks up a never-created source) | retail MIDI + ambient system (r05) |
| TS-30 | Chat DAT elements `0x10000522`–`0x10000525` render but have no controller semantics; the older claim that they are numbered in-window filter tabs is **unproven** | `src/AcDream.App/UI/Layout/ChatWindowController.cs` | Named retail proves separately filtered main/floaty chat windows, not an in-window numbered-tab model. Wave 5 must live/DAT-confirm these element roles before assigning behavior | The controls may be inert today, but inventing tab switching could be a larger divergence than leaving an unconfirmed role inactive | `gmMainChatUI @ 0x004CCCC0..0x004CE2A0`; correction in `docs/research/2026-07-10-retail-panel-behavior-pseudocode.md` |
| TS-31 | **NARROWED 2026-07-13** — `/squelch`, `/unsquelch`, `/filter`, `/unfilter`, and `/messagetypes` send the exact modification events and consume the authoritative retail `SquelchDB`; incoming `ChatLog` lines are not yet filtered through that database, and clickable name-tag social actions remain absent | `src/AcDream.Core/Social/SquelchState.cs`; `src/AcDream.Core.Net/Messages/SocialStateMessages.cs`; `src/AcDream.App/UI/ClientCommandController.cs`; `src/AcDream.Core/Chat/ChatLog.cs` | Command/state transport is complete; enforcement belongs at the shared inbound-chat boundary so both backends remain identical | A squelch appears in the list and persists server-side but matching incoming lines can still render; contextual name actions remain unavailable | `SquelchDB::UnPack @ 0x006B1900`; `ChatFilter::IsSquelched`; retail right-click player name → Squelch menu |
| TS-32 | `ClientObjectTable` has no pre-queue for a child `CreateObject` that arrives before its parent (out-of-order PARENTED create); such objects are ingested as root objects and their `ContainerId` links a not-yet-known container. Retail's `null_object_table` + `null_weenie_object_table` hold unresolvable objects until the parent arrives | `src/AcDream.Core/Items/ClientObjectTable.cs` (`Ingest`) | PD↔`CreateObject` ordering is handled (upsert semantics); out-of-order PARENTED creates are observed only at high packet loss or in vendor/corpse multi-object bursts on non-loopback links; deferred to D.5.5+ | A container's child object arriving before the container is ingested as a root item — it won't appear in `GetContents` until the next `RecordMembership` or a move event corrects the parent link | `CObjectMaint::null_object_table` / `null_weenie_object_table` (acclient.h / named-retail pc) |
| TS-33 | **NARROWED 2026-07-15** — full AP tracker semantics are ported: MTS stamps time only; AP stamps complete cell-local Position + contact plane + time; `ShouldSendPositionEvent` compares cell/contact inside the interval and the complete Frame including orientation afterward. Residual: acdream's single update path snapshots the AP predicate, emits a same-update MTS first when input changed, then AP. Retail proves `UseTime` performs Should→AP, but MTS originates in separate input callbacks; their relative same-tick callback/wire order is not yet traced | `src/AcDream.Runtime/Gameplay/LocalPlayerOutboundController.cs` (pre/post network slots); `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs` (ported tracker) | Preserve the pre-existing acdream wire order until a focused retail packet/breakpoint trace establishes input callback versus `UseTime`; do not infer it from `UseTime` alone | In the rare update where both packets are due, ACE may observe their position timestamps/action sequences in the opposite order from retail, shifting only that correction tick; stationary target-facing is live-gated because full-frame orientation now publishes | `CommandInterpreter::UseTime` 0x006B3BF0; `SendMovementEvent` 0x006B4680; `SendPositionEvent` 0x006B4770; `ShouldSendPositionEvent` 0x006B45E0; `Frame::is_equal` 0x00424C30 |
+| TS-40 | Retail's `physics_obj->cell` ("placed in the world") is proxied by the explicit `PhysicsBody.InWorld` flag — set by `SnapToCell` (local player placement) and `RemoteMotion` construction (remotes exist only for world entities); consumed by `CMotionInterp`'s detached-object link-strip guards (`if (cell == 0) RemoveLinkAnimations`, raw @305627). Replaces the UNREGISTERED `CellPosition.ObjCellId == 0` proxy, which only the local player ever seeded (#145 `SnapToCell`), so every REMOTE body read "detached" and every dispatched transition link (door swings, remote walk↔run links) was stripped the same tick it was appended — the 2026-07-03 door-snap bug | `src/AcDream.Core/Physics/PhysicsBody.cs` (`InWorld`); `src/AcDream.Core/Physics/MotionInterpreter.cs` (3 guard sites) | acdream has no per-body CObjCell pointer; a boolean placement flag carries exactly the guard's retail meaning until cell-pointer plumbing exists | A body used without either placement path (a future entity class constructing bodies directly) reads detached and loses transition links until its creation site sets the flag | `CMotionInterp::DoInterpretedMotion` 0x00528360 tail @305627; `CPhysicsObj::RemoveLinkAnimations` |
+| TS-35 | `PhysicsBody.IsFullyConstrained` is a stub property (default `false`, never set by any physics code), read by `jump_is_allowed`'s verbatim `IsFullyConstrained` gate (raw 305524-305525) | `src/AcDream.Core/Physics/PhysicsBody.cs` (`IsFullyConstrained`) | R3-W3 needed the read site to port `jump_is_allowed`'s full chain. **R5-V1 CORRECTED the mechanism** (the earlier "per-cell contact-plane / doorway-jamming" guess was WRONG): the write side is the **ConstraintManager server-position rubber-band leash** — armed by `SmartBox::HandleReceivedPosition` on every inbound server position, `IsFullyConstrained` = `max*0.9 < offset`. R5-V1 ported `ConstraintManager` (`src/AcDream.Core/Physics/Motion/ConstraintManager.cs`) but does NOT arm it (no acdream `SmartBox` + two x87 distance constants BN elided) — so this read stays false. Arming = issue #167 | A body retail would consider fully constrained (still rubber-banding toward a server position inside the tight leash) never refuses the jump (0x47) — a jump succeeds mid-rubber-band where retail blocks it. Low practical risk (the leash band is tight + short-lived) | `CPhysicsObj::IsFullyConstrained` 0x0050ec60 → `ConstraintManager::IsFullyConstrained` 0x005560d0; `jump_is_allowed` 0x005282b0; arming `SmartBox::HandleReceivedPosition` 0x00453fd0 (issue #167) |
| TS-37 | RETIRED misattribution note (not a live divergence — kept here as the historical record R3-W3 closes): the S2a port had `contact_allows_move` (0x00528240) arm `StandingLongJump` as a side effect, explicitly flagged "PRE-EXISTING acdream side effect (not part of 0x00528240)". R3-W3 deletes that side effect; `ChargeJump` (0x005281c0) is now the ONLY arming site, matching retail exactly. No further action — recorded per the register's retire-in-same-commit rule | `src/AcDream.Core/Physics/MotionInterpreter.cs` (`contact_allows_move`, `ChargeJump`) | N/A — retired | N/A — retired | `CMotionInterp::charge_jump` 0x005281c0 @305448 |
| TS-38 | `MotionInterpreter.Initted` defaults to `true` in both constructors, not retail's `false` — retail's `CMotionInterp` is never observed pre-`enter_default_state` (every real construction path calls it before exposing the interpreter); acdream's constructors are used directly by ~40 pre-existing tests and both App call sites as complete, immediately-usable objects with no separate "enter default state" step | `src/AcDream.Core/Physics/MotionInterpreter.cs` (`Initted` property + both constructors) | Defaulting `true` is the C# equivalent of "the constructor already did what `enter_default_state` would have done to this flag" — `EnterDefaultState()` remains available, verbatim, for the REST of retail's reset semantics (state defaults, sentinel enqueue, `LeaveGround` tail) when a caller wants them | None observed: no code path needs `apply_current_movement`/`ReportExhaustion` to no-op before an explicit `EnterDefaultState()` call, since nothing constructs a `MotionInterpreter` and defers initialization today. If a future caller DOES need staged construction (build now, `EnterDefaultState()` later), it must explicitly set `Initted = false` first | `CMotionInterp::enter_default_state` 0x00528c80 @306124 sets `initted = 1`; retire if/when construction is staged through `EnterDefaultState()` uniformly |
| ~~TS-41~~ | **RETIRED 2026-07-07 (remote-creature de-overlap #184)** — the SERVERVEL synth-velocity body-drive (`Body.Velocity = ServerVelocity` / `get_state_velocity()` leg) is DELETED. Grounded NPC remotes now translate by the retail interp CATCH-UP (`RemoteMotionCombiner.ComputeOffset` → `InterpolationManager::adjust_offset` toward the MoveOrTeleport-queued server waypoint) and `MovementManager::UseTime` (`TickRemoteMoveTo`) runs UNCONDITIONALLY per tick — the retail `UpdateObjectInternal` shape (no wire-velocity leg-driver). The de-overlap sweep resolves the catch-up movement; the resolved position is written back into the SHADOW (AP-86) so it persists. Residual: the non-retail anim-cycle stale-stop heuristic (`ApplyServerControlledVelocityCycle(Zero)` on a >0.6 s velocity-staleness timer) is kept as ANIM-only and stays covered by **AP-80**; it no longer drives the body. | `src/AcDream.App/Physics/RemotePhysicsUpdater.cs` (grounded NPC branch) | — | — | `CPhysicsObj::UpdateObjectInternal` 0x005156b0 (`MovementManager::UseTime` @0x00515998, unconditional); `MoveOrTeleport` 0x00516330; `InterpolationManager::adjust_offset` 0x00555d30 |
-| TS-44 | NPC UpdatePosition **enqueue is suppressed while StickyManager is armed** (`PositionManager.GetStickyObjectId() != 0`). Position and complete orientation otherwise share the ported `InterpolateTo → Position::subtract2 → PositionManager::adjust_offset` Frame, so the former orientation hard-snap residual is retired. Retail would still enqueue the server Position and let Sticky overwrite that Frame each tick; acdream retains the gate so no queued waypoint survives the stick. **Scope re-affirmed by C4 route 4a (2026-08-03):** the gate stays NPC-only and stays in the App caller. The shared Runtime seam route 4a introduced is deliberately indifferent to the sticky lease, because folding the check into it would have silently extended TS-44 to player remotes — which are stickable but have never had this suppression, and whose far branch would still not have it | NPC-only caller gate, `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` (`snapSuppressedByStick`) | Avoids replaying an old ACE waypoint immediately after a stick lease ends; all live during-stick pose ownership is now otherwise retail-shaped | After unstick the body waits for the next UP instead of consuming the latest waypoint already in the queue; at low packet cadence this can pause correction for one update interval | `PositionManager::adjust_offset` 0x00555190; `CPhysicsObj::MoveOrTeleport` 0x00516330; retire by allowing enqueue while Sticky overwrites the shared complete Frame |
+| TS-44 | NPC UpdatePosition **enqueue is suppressed while StickyManager is armed** (`PositionManager.GetStickyObjectId() != 0`). Position and complete orientation otherwise share the ported `InterpolateTo → Position::subtract2 → PositionManager::adjust_offset` Frame, so the former orientation hard-snap residual is retired. Retail would still enqueue the server Position and let Sticky overwrite that Frame each tick; acdream retains the gate so no queued waypoint survives the stick | `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` (NPC `snapSuppressedByStick` gate) | Avoids replaying an old ACE waypoint immediately after a stick lease ends; all live during-stick pose ownership is now otherwise retail-shaped | After unstick the body waits for the next UP instead of consuming the latest waypoint already in the queue; at low packet cadence this can pause correction for one update interval | `PositionManager::adjust_offset` 0x00555190; `CPhysicsObj::MoveOrTeleport` 0x00516330; retire by allowing enqueue while Sticky overwrites the shared complete Frame |
+| TS-46 | Player/remote collision spheres are passed as TWO SCALARS (radius, capsule-top height) and reconstructed by `SpherePath.InitPath` (foot center at `radius`, head center at `height − radius`) — retail passes the Setup's SPHERE LIST verbatim (`CPhysicsObj::transition` 0x00512dc0 → `init_sphere(GetNumSphere, GetSphere, m_scale)`, ≤2 spheres, each origin AND radius × m_scale). With the corrected callers (0.48, 1.835 = Setup.Height) the reconstruction sits 5 mm off the dat: foot center 0.480 vs dat 0.475, head center 1.355 vs dat 1.350 (human Setup 0x02000001). **#184 Slice 3 (2026-07-07) NARROWED this: the remote de-overlap sweep now derives its scalars from the creature's OWN Setup (`GetSetupCylinder` = `setup.Radius`/`setup.Height` × ObjScale) — remotes NO LONGER use human dims regardless of Setup/scale.** RESIDUAL: (a) it is still the two-SCALAR reconstruction, not retail's ≤2-sphere LIST (lossy for creatures whose foot/head spheres differ), for both player and remotes; (b) the remote sweep's `stepUpHeight`/`stepDownHeight` stay a hardcoded 0.4 m, where retail derives them from `setup->step_up_height`/`step_down_height` (0x005180d0/0x005180f0, 0.04 m fallback, `radius×0.5` clamp) — an adjacent non-Setup divergence left for a later slice. (The pre-2026-07-06 value 1.2f put the head TOP at 1.2 m — the #137 window climb; fixed same day.) | `src/AcDream.Core/Physics/TransitionTypes.cs` (`InitPath`); `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs` (player, human — correct as-is); `src/AcDream.App/Physics/LiveEntityMotionRuntimeController.cs` (`GetSetupCylinder`); `src/AcDream.App/Physics/RemotePhysicsUpdater.cs` (remote sweep fallback) | The scalar API predates the Setup ingestion; 5 mm is below the visual/feel threshold; the remote scalars are now the creature's real (radius,height)×ObjScale, consistent with the shadow registration's entScale and the moveto/sticky radii | Marginal r−ε/r+ε grazes still flip on the 5 mm scalar offset; a creature whose head sphere is wider than its foot de-overlaps by the single (radius) approximation, not the true 2-sphere profile; the 0.4 m step heights are non-Setup for all movers | `CPhysicsObj::transition` 0x00512dc0; `SPHEREPATH::init_sphere` 0x0050c670 (≤2, ×m_scale); `set_description` 0x00514f40 (m_scale from wire ObjScale); retire by plumbing the full Setup sphere list into `InitPath` |
| ~~TS-45~~ | **RETIRED 2026-07-07** — the hand-rolled `SphereCollision` (forced `combinedR+1 cm` radial de-penetration + leaked `SetSlidingNormal` + always-Slid, head-sphere ignored) is REPLACED by the faithful `CSphere::intersects_sphere` family port (branch dispatcher 0x00537A80 + `step_sphere_up`/`slide_sphere`/`land_on_sphere`/`collide_with_point`/`step_sphere_down`), routing the grounded slide through the shared crease `SlideSphere` (0x00537440). Humanoid creatures collide via body Spheres, so this was the player-vs-monster crowd path; the radial de-penetration was the "can't wiggle free in a packed crowd" wedge. `SphereCollisionFamilyTests` (slide-around, block, ethereal) + `docs/research/2026-07-07-csphere-collision-family-pseudocode.md`. Residual `AP-91` (PerfectClip TOI dead in M1.5). | — | — | — | `CSphere::intersects_sphere` 0x00537A80 (pc:321678) |
| TS-47 | **NARROWED 2026-07-13** — typed routing now ports the named-retail recall/house/PK travel, age/birth, local display/location, UI persistence, AFK/consent, emote, friends, squelch/filter, and fill-components families. Retail-owned verbs outside the researched family set still fall through to ACE until individually verified. | `src/AcDream.UI.Abstractions/Panels/Chat/RetailClientCommandCatalog.cs`; `src/AcDream.App/UI/ClientCommandController.cs`; `src/AcDream.Core.Net/Messages/ClientCommandRequests.cs` | The high-use researched families have decomp pseudocode, typed actions, and conformance tests; unresearched registry entries must follow the same evidence-first path | An unported retail-owned verb can still produce ACE unknown-command output or server-specific behavior instead of its client action | `ClientCommunicationSystem` command-table construction around `0x00581A40..0x005850A0`; `docs/research/2026-07-13-retail-client-command-routing-pseudocode.md`; `docs/research/2026-07-13-retail-client-command-families-pseudocode.md` |
| TS-48 | Dragging an item onto another player honors the authoritative `DragItemOnPlayerOpensSecureTrade` option, but the option's default-true branch stops at the existing unavailable toast because the secure-trade transaction and UI are not ported. Direct player giving through `GiveObjectRequest 0x00CD` works when the option is disabled; NPC giving is complete. | `src/AcDream.App/UI/ItemInteractionController.cs` (`PlaceIn3D`, `PolicyActionMessage`); `src/AcDream.Core/Items/ItemInteractionPolicy.cs` | The player/NPC distinction and character preference are now faithful; inventing a direct gift while the option requests secure trade would be a worse behavioral divergence. Secure trade is a separate multi-party state machine beyond the starter-dungeon NPC-give slice. | With retail's default character options, an item dragged onto another player cannot be exchanged until the secure-trade subsystem lands. | `ItemHolder::AttemptPlaceIn3D @ 0x00588600`; `PlayerModule::DragItemOnPlayerOpensSecureTrade @ 0x005D31B0`; `ClientTradeSystem`; `docs/research/2026-07-13-retail-give-item-pseudocode.md` |
@@ -458,7 +274,7 @@ AP-94..AP-112 for the confirmed retail-UI completion gaps.
| TS-51 | Particle and PhysicsScript tails advance once per render frame after the complete ordinary/static object worksets. Retail advances each ordinary object's ParticleManager then ScriptManager inside every admitted `UpdateObjectInternal` quantum; `animate_static_object` instead advances that static owner's ScriptManager then ParticleManager and only then `process_hooks`, using its whole admitted elapsed interval. acdream's shared tail is Particle → Script after static hook capture. | `src/AcDream.App/Update/LiveObjectFrameController.cs` (`LiveObjectFrameController` + `LiveEffectFrameController` shared `_particles.Tick` / `_scripts.Tick` tail); `src/AcDream.App/Rendering/RetailStaticAnimatingObjectScheduler.cs` | The current managers are shared presentation/runtime owners rather than per-object manager instances. R6 makes root motion, animation, object clocks, workset membership, and ordinary manager order faithful without pretending the shared tails have per-owner timing or static-tail order. Splitting ownership safely requires a later effect-lifetime slice. | A render fragment below retail's minimum object quantum can advance an effect while its owner waits; a catch-up frame advances an owner's root through several quanta but its effect tail only once; static hooks can route before their script/particle managers and static default scripts/particles use render elapsed in Particle → Script order rather than `animate_static_object` elapsed/discard and Script → Particle → hooks timing. | `CPhysicsObj::UpdateObjectInternal @ 0x005156B0`; `CPhysicsObj::animate_static_object @ 0x00513DF0`; retire by giving live/static owners incarnation-bound particle/script managers and ticking each manager in the owning object quantum/order |
| TS-52 | The terrain shader applies retail-authored base/overlay/road `TerrainTex.TexTiling` but omits the separate Environment Detail Textures pass and its viewer-distance fade (**#226**). | `src/AcDream.App/Rendering/TerrainAtlas.cs`; `src/AcDream.App/Rendering/TerrainModernRenderer.cs`; `src/AcDream.App/Rendering/Shaders/terrain_modern.frag` | `bb5acab9` fixed the user-visible stretched/blurry regression by porting the distinct base-tiling contract. An earlier experimental detail array darkened the whole ground because its source/neutral blend contract was wrong, so it was correctly reverted rather than guessed into production. | With retail's Environment Detail Textures preference enabled, close terrain lacks the extra high-frequency modulation/fade even though authored base texture scale is correct. | `LScape::GenerateDetailSurfaces` / `SetDetailTexturing @ 0x00506B40`; `ACRender::landPolyDraw @ 0x006B6450..0x006B6525`; issue #226 |
| TS-53 | acdream advances retained UI time on the draw seam and local teleport/UI-camera presentation after its SmartBox-shaped object → inbound network → CommandInterpreter barrier. Retail `Client::UseTime` calls `UIElementManager::UseTime` first, whose global time message reaches `gmSmartBoxUI::UseTime`, and publishes player-camera work from the physics/player callback rather than one post-network camera tail. Slices 6–7 preserve the accepted host order as ownership-only extractions. | `src/AcDream.App/Update/UpdateFrameOrchestrator.cs` (post-live-frame teleport/camera phases); `src/AcDream.App/Rendering/PrivatePresentationRenderer.cs` (`RetainedGameplayUiFrame.Render`); `docs/plans/2026-07-21-gamewindow-slice-6-update-frame-orchestration.md`; `docs/plans/2026-07-22-gamewindow-slice-7-render-frame-orchestration.md` | Current retained UI, portal transit, reveal, camera, and connected movement traces are accepted; changing cross-subsystem host order while extracting ownership would combine a behavior change with the structural cutover. | Retained UI, teleport, and camera presentation can observe same-frame object/inbound/player state one host update earlier or later than retail at transition boundaries; a future exact host-order port must prove UI, input, reveal, and camera consequences together. | `Client::UseTime @ 0x00411C40`; `UIElementManager::UseTime`; `gmSmartBoxUI::UseTime @ 0x004D6E30`; `CPhysics::UseTime @ 0x00509950`; retire only with a focused host-order port and connected portal/camera comparison |
-| ~~TS-54~~ | **RETIRED 2026-08-08 (Campaign A slice A4).** The AdminEnvirons stingers now play. `UiSoundController.PlayEnvironCue` maps the change type through `EnvironSoundCueMap` — an EXPLICIT table read case-by-case out of `CPlayerSystem::Handle_Admin__Environs` @ `0x0055DE20` (`0x0055E0C6..0x0055E2C7`), not an offset: codes `0x65..0x72` sit 0x11 below their SoundType but `0x73`/`0x74` have no case at all, so `0x75` lands on `UI_Squeal` (0x84) where arithmetic would give 0x86, and the switch ends at `0x7B`/`UI_Thunder6` with no `0x7C` case. All 21 cases are pinned by conformance tests. The bank itself is no longer a blocker either: the UI sound table's DID is resolved by walking the dats' EnumIDMap chain (`UiSoundTableResolver`, master → slot-7 map → `0x2000004B`), which is how retail finds it — `GetUISoundTable` holds no literal. | retired | — | — | `CPlayerSystem::Handle_Admin__Environs @ 0x0055DE20`; `SoundManager::PlaySoundFromCenter @ 0x00550950`; `ClientUISystem::GetUISoundTable @ 0x00563FB0`; `docs/research/2026-08-08-audio-retail-music-absence.md` §5 |
+| TS-54 | AdminEnvirons sound values `0x65..0x7B` are diagnosed by retail enum name but do not play audio. Retail checks that the local player physics object and UI sound table exist, then calls `SoundManager::PlaySoundFromCenter(Sound_UI_*, table)` for Roar through Thunder6. | `src/AcDream.App/World/WorldEnvironmentController.cs` (`ApplyAdminEnvirons`) | The current audio owner has no typed retail UI-sound-table binding; logging preserves the inbound evidence without inventing wave DIDs or routing the sounds through positional world audio. | Server-authored ambience/thunder packets are silent in acdream while retail plays the centered UI sound. | `CPlayerSystem::Handle_Admin__Environs @ 0x0055DE20` (`0x0055E07F..0x0055E2C7`); `SoundManager::PlaySoundFromCenter @ 0x00550950` |
| TS-55 | AdminEnvirons fog values remain a color-only `WeatherSystem.Override` approximation. Retail values 1..5 install authored ambient color/level plus fog color/max; value 6 also forces transition/min/max and blanks radar; Clear restores all override fields and radar; `0x270F` installs a separate authored override. | `src/AcDream.App/World/WorldEnvironmentController.cs` (`ApplyAdminEnvirons`); `src/AcDream.Core/World/WeatherState.cs` (`EnvironOverrideColor`) | Preserves the already accepted enum bridge while Slice 8 moves ownership; porting the complete environment/radar presentation is a separate behavior change requiring focused visual gates. | Forced-fog hue, density, scene ambient, and radar blanking differ from retail; `0x270F` is ignored. | `CPlayerSystem::Handle_Admin__Environs @ 0x0055DE20` (`0x0055DE2B..0x0055E344`) |
| TS-57 | No outbound `RejectRetransmit`: a server NAK for an id no longer in the sent-packet cache is dropped silently (counted in `TransportStats.UncachedNakIds`); retail answers `RejectRetransmit @ FlowQueue` so the server abandons the id immediately | `src/AcDream.Core.Net/Transport/OutboundFlowQueue.cs` (`OnRetransmitRequest`) | ACE parses `RejectRetransmit` and no-ops it (NetworkSession.cs — no handler), and the standalone unsequenced form would trip ACE's watermark hole (campaign doc §3 row 3: any cleartext non-ack packet with a live sequence advances the watermark and skips a real packet forever) | Against a server that DOES honor RejectRetransmit, an uncached NAKed id keeps being re-requested until that server's own NAK give-up logic fires — never against ACE, which forgets the id when its next cumulative ack passes it | `RecipientData::ProcessNaks @ 0x00547010`; ACE NetworkSession.cs:299-304 (server-side emit), no client-consume handler |
| TS-58 | No outbound TimeSync/EchoRequest keepalive (retail sends both every 6 half-second intervals, ~3 s). The 2.0 s cumulative AckSequence is the sole idle keepalive; it refreshes ACE's 60 s timeout, which is the only server-side consumer. | `src/AcDream.Core.Net/Transport/TransportClock.cs`; `src/AcDream.Core.Net/Transport/AckNakScheduler.cs` | Standalone unsequenced TimeSync/Echo packets trip ACE's exactly-AckSequence watermark rule (NetworkSession.cs:474-476) and are only ACE-safe piggybacked, which needs retail's CoalesceData (AP-125). The ack keepalive covers the timeout; no transport RTT sample is lost that LinkStatus' app-level ping does not already provide. | No transport-level RTT/latency sample; a future server gating on TimeSync cadence would see silence; ACE's speedhack echo checks never engage. | `ClientFlowQueue::IncrementLocalInterval @ 0x00547F10`; ACE `NetworkSession.cs:474-476`, `Session.cs:101-102` |
@@ -466,19 +282,10 @@ AP-94..AP-112 for the confirmed retail-UI completion gaps.
| TS-60 | No 140 s dead-link declaration or referral auto-reconnect in the transport; a silent server is only visible through `LinkStatusSnapshot.SecondsSinceLastPacket` (presentational). | `src/AcDream.Core.Net/Transport/ReliableTransport.cs`; `src/AcDream.Core.Net/WorldSession.cs` (`BuildLinkStatus`) | The input (seconds since last inbound) is already exposed; session lifecycle/reconnect is Runtime's ownership domain and deserves its own campaign rather than a transport-embedded side effect. Every ACE transport death is silence, so nothing server-side depends on the client reacting at 140 s. | A dead link idles until the user acts; no automatic recall/referral reconnect where retail would attempt one. | `ClientNet::ProcessConnection @ 0x00545450` tail (the two 140.0 literals) |
| TS-61 | A UDP send failure burns the reliable sequence and its ISAAC word (the encode commits before `_net.Send`); retail keeps the sealed packet at the queue head and retries with the same key. | `src/AcDream.Core.Net/Transport/OutboundFlowQueue.cs` (`SendGameMessage`) | A connectionless-socket `SendTo` failure is effectively unreachable in practice (no route/ICMP errors surface on later receives, not sends, on Windows UDP); recovering it faithfully needs a full outbound packet queue. The N1 review accepted the exposure explicitly. | One `SocketException` on send would desync the outbound cipher permanently (session death; observable as `[net-out-EX]` followed by silence). | `FlowQueue::TransmitNewPackets @ 0x00547C2C` (retry-from-head) |
| TS-56 | Chase-camera mouse input retains acdream's invented post-filter yaw/pitch scalars (`0.004`/`0.003` radians per count), and held-key pitch/zoom retain their non-retail integration shapes. Retail mouse look passes `FilterMouseInput(delta) × configured sensitivity × 1/15` as the replacement scale to `CameraSet::Rotate`, which then applies the shared 8° angle; retail held pitch uses the same angle and zoom scales the viewer offset multiplicatively. | `src/AcDream.App/Input/CameraPointerInputController.cs`; `src/AcDream.App/Input/MouseLookController.cs`; `src/AcDream.App/Rendering/CameraFrameController.cs` | Slice 8 is behavior-preserving ownership work. The named-retail audit proves the mismatch but has not yet extracted the configured mouse-sensitivity default or the exact caller flags needed for a complete feel port; changing only one scalar here would create a mixed input model. | RMB/MMB orbit, held pitch, and zoom can feel slower, faster, or differently accelerated than retail even though callback ordering and filtering are correct. | `CameraSet::Rotate @ 0x00458310`; `CameraSet::MouseLookHandler` call at `0x00458EF9`; `CameraSet::Raise @ 0x00457B00`; `CameraSet::Closer @ 0x004586D0`; `docs/research/2026-06-11-holistic-map/wf2-camera-viewer.md` |
-| TS-62 | **Filed 2026-08-02 (physics campaign, continuation-executor slice).** NO Position route in the dormant executor runs a live `ConstrainTo` binding - including the `SetPosition`/`SetPositionSimple` routes. `RuntimeAuthoritativePositionRoute.ConstrainPhase` (None/Before/After) is classified for EVERY accepted route and recorded into the execution trace, but the constrain-before-vs-after distinction exists purely as classified metadata pending a live binding at the production cutover. | `src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs` (`ApplyPositionAction`/`BuildPositionTrace`); `RuntimeAuthoritativePositionRouteClassifier.cs` (`ConstrainPhase`) | Host-cutover work with no Runtime-side owner to bind to yet; the canonical snapshot's Position IS refreshed on every accepted route, so the fact is retained - only the live constrain/smoothing behavior is deferred. The trace carries the exact phase a host must bind. | Until a host wires it, ANY Position continuation applies its raw pose with no constrain-distance clamp or smoothing - a visible pop instead of retail's constrained correction, on exactly the entities created while an authored placement was in flight. | `SmartBox::HandleReceivedPosition` 0x00453FD0, the three `ConstrainTo` sites (~93007 remote-after, ~93024 teleport-after, ~93041 local-ordinary-before) |
-| TS-63 | **Filed 2026-08-02 (physics campaign, continuation-executor slice).** `ApplyResidentCellCleanup`'s three branches: (1) claimed-cell + celless + NOT under lost-cell/deferred ownership - retail's genuine `AddObjectToBeDestroyed` case - has no safe Runtime destruction owner yet, so the executor performs a typed ABANDONMENT (`RejectedAuthority`) instead of destroying; (2) claimed + celless + deferred returns `DeferredUnderLostCellOwnership` - retail's destruction bookkeeping for this exact entity is already owned by the lost-cell/deferred `SetPosition` lifetime (a statement, not a parallel mechanism); (3) claimedCell==0 returns `CelllessNoWeenieMarkUnreachable` and is NOT a divergence - every admitted envelope structurally carries a WeenieDescription (`HasValidShape`), so retail's no-weenie destruction alternative is unreachable through this construction. | `src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs` (`ApplyResidentCellCleanup`; the Abandon conversion in `ApplyEnvelope`) | No production caller yet; every branch is typed and test-observable; building a parallel destruction mechanism ahead of the object-table/lost-cell cutover wiring would be the exact workaround class CLAUDE.md forbids - failing closed is the honest interim. | Branch (1): a genuinely claimed-but-celless-undeferred entity aborts the drain and SURVIVES where retail destroys it, until the cutover wiring lands. Branch (3): a future envelope construction without a WeenieDescription would break the premise and needs re-examination. | `SmartBox::HandleCreateObject` 0x00454C80 tail (~93933 destruction mark; ~93942-93943 un-mark/no-weenie) |
-| TS-64 | **Retail's sound-preference surface is only partly present.** Retail registers eight `[Sound]` keys in `SoundManager::InitPrefs` @ `0x005503F0`; two are unimplemented in acdream. (a) `s_bPlaySoundOnlyWhenActive` (default **1**) is checked against `Device::m_bIsActiveApp` in every entry point and in both `PlaySoundInternal` overloads, so an unfocused retail client is SILENT; acdream keeps playing when the window loses focus. (b) `s_SoundFeatures == 1` forces pan to dead centre; acdream's `RetailSoundMixer.Mix`/`GetPan` take a `panningEnabled` flag with conformance coverage, but no preference is wired behind it, so panning can never be turned off. The three enable bools (`Sound Disabled`, `Ambient Sound Disabled`, `Interface Sound Disabled`) also have no acdream counterpart — note retail's on-disk polarity is inverted relative to its backing variables, so a future reader must not assume the sense. | `src/AcDream.App/Audio/OpenAlAudioEngine.cs` (no focus gate); `src/AcDream.Core/Audio/RetailSoundMixer.cs` (`panningEnabled`, unwired) | Slice A2 kept its blast radius on the mixing model: window-focus state and a preference surface are host plumbing rather than mixing math, and the mixer parameter exists so wiring them later needs no math change. | Alt-tabbed acdream keeps making noise where retail goes quiet; users cannot disable panning or the individual sound classes. | `SoundManager::InitPrefs @ 0x005503F0`; `SoundManager::PlaySoundInternal @ 0x0054FEC0` and `@ 0x00550170`; `docs/research/2026-08-08-audio-retail-soundmanager-core.md` §1 |
-| TS-65 | **Volume-squared quirk applied on the ambient path only.** Retail multiplies its volume knob twice on several paths: `PlaySoundA(DataID, CPhysicsObj*)` passes `effect_sound_volume` as the `vol` argument and `GetAttenuation` then multiplies by `effect_sound_volume` again, and both `PlayAmbientSound*` entry points pre-multiply by `ambient_sound_volume` before that same second multiply — so those sliders are effectively squared. acdream's `RetailSoundMixer.TryGetAttenuation` applies the knob exactly once (which is what `GetAttenuation` itself does) and the animation-hook path does not pre-multiply. Slice A5 squares the ambient path, where two independent lanes byte-confirmed the double application. | `src/AcDream.Core/Audio/RetailSoundMixer.cs` (`TryGetAttenuation` remarks); `src/AcDream.App/Audio/OpenAlAudioEngine.cs` (`Play3DWave`) | Which `PlaySoundA` overload the animation-hook path reaches was not pinned by the lane-1 decode, and inventing a squaring on an unconfirmed overload would change every hook sound's loudness curve on a guess. Single-multiply is the conservative, decoded-function-exact choice; the open question is cheap to settle with a cdb breakpoint on the two overloads. | At a non-unity effect slider, hook sounds are louder than retail (slider 0.5 gives −6 dB where retail gives −12). At the default slider of 1.0 the two are identical, so this is inert until the user moves the slider. | `SoundManager::PlaySoundA @ 0x00550AF0`/`@ 0x00550B70`/`@ 0x005507A0`; `SoundManager::GetAttenuation @ 0x00550020`; `docs/research/2026-08-08-audio-retail-soundmanager-core.md` §3 D12 |
-| ~~TS-66~~ | **RETIRED 2026-08-08 (Campaign A listening-gate fix; user-reported).** `seen_outside` interiors now keep the OUTDOOR ambient set: the listener source resolves the per-cell `CEnvCell.seen_outside` bit through the physics cache's `CellPhysics` record (the same #107 field `AdjustPosition` reads) and converts the ENVCELL-local origin through the cell's `WorldTransform` into landblock coordinates before the 3×3 walk centres on it — an outdoor Position's origin is already landblock-local, an envcell's is not, and skipping the conversion would centre the walk on a wrong point by up to a landblock. A cell record not yet resident resolves to silence for that rebuild rather than a wrong walk. Sealed interiors (dungeons) remain silent, which is retail-correct. | retired | — | — | `Ambient` gate per `docs/research/2026-08-08-audio-retail-ambient-authoring.md` §6/§8; `CEnvCell::add_ambient_sounds` (folded `ret`); user listening gate 2026-08-08 ("in retail I get both outside ambient and the ambient from indoors") |
-| TS-68 | **Filed 2026-08-09 (Campaign CH slice CH4); corrected 2026-08-09 at the CH4 REJECT-review, Blocker 1.** `@allegiance`/`@all` and `@house`/`@hou` are real retail management-command dispatchers with 12 and 15 subcommands respectively (registry doc §2.5/§2.5b). acdream ports only the subset with simple parameterless/single-field wire shapes (allegiance `info`/`hometown`/`ho`; house `recall`/`re`/`mansion_recall`/`alleg_recall`/`ma`/`abandon`). For `@house`, every other subcommand (open, close, storage, remove, boot, boot_all, remove_all, guest, available, hooks, on, off) still falls through to ACE server-passthrough (which replies "Unknown command") — unchanged from the original filing. **The original filing was WRONG for `@allegiance`/`@all`: retail's own `DoAllegiance` never reaches DoChannelCommand/server-passthrough for an unrecognized subcommand** — it prints "Please see @help Allegiance for more information on how to use this command." locally (`label_57da4b`, 0x0057DA4B) and stays entirely client-side. **Corrected again 2026-08-09 at the CH4 re-review, SHOULD-FIX 3.** Retail does NOT refuse boot/ban/officer/title/motd/name/lock/house/chat/broadcast — `DoAllegiance`'s dispatcher table EXECUTES each one locally through its own handler (e.g. `DoAllegianceBoot @ 0x0057D646` is the dispatcher's call site into `ClientCommunicationSystem::DoAllegianceBoot`; `DoAllegianceBan`/`DoAllegianceOfficer`/`DoAllegianceOfficerTitle`/`DoMotd`/`DoAllegianceName`/`DoAllegianceLock`/`DoAllegianceHouse` are its siblings in the same table). acdream has none of those nine handlers ported (tracked by issue #360) and instead shows the SAME unrecognized-subcommand refusal ("Please see @help Allegiance...", `label_57da4b`, 0x0057DA4B) for every one of them, pending the #360 port. What matches retail here is the OWNERSHIP RULE — the verb never reaches `DoChannelCommand`/server-passthrough for `@allegiance`/`@all` regardless of subcommand — NOT the subcommand's actual behavior, which retail executes and acdream does not yet. This still closes the real bug the original filing named (the unmatched subcommand text broadcast to the Allegiance chat channel, 0x02000000). The standalone `@motd` verb (reached directly, not via `@allegiance motd`) remains a separate, still-open gap. `RetailClientCommandCatalog.TryMatchHouse`/`TryMatchAllegiance` (`src/AcDream.UI.Abstractions/Panels/Chat/RetailClientCommandCatalog.cs`) | Retail would execute these locally (with its own usage/confirmation/refusal text). House's unported subcommands still reach ACE, which does not implement them as chat commands either — no functional loss on a real server, but a user typing e.g. `@house open` gets ACE's generic "Unknown command" instead of retail's real behavior. Allegiance's unported subcommands correctly stay local (never reach ACE) but show a generic refusal instead of retail's real per-subcommand execution — a user typing e.g. `@allegiance boot Name` gets "Please see @help Allegiance..." instead of retail's real boot confirmation/effect, until #360 ports the nine `DoAllegiance*`/`DoMotd`/`DoAllegianceHouse` handlers. | `ClientCommunicationSystem::DoAllegiance @ 0x0057D5A0`; `DoHouse @ 0x00580860`; ACE `GameActionType` opcodes for each subcommand (all exist server-side) |
-| TS-69 | **Filed 2026-08-09 (Campaign CH slice CH4).** `@day`, `@log`, and `@render` are registered retail verbs acdream recognizes only in the `/help ` lookup table, not as executable client commands. `@day` needs a sky/time-of-day override hook the renderer doesn't expose; `@log` needs a safely-lifecycled chat-to-file writer (deferred to avoid an unaudited file-handle leak across reconnects); `@render` has no acdream equivalent to retail's `SmartBox::HandleRenderOption` render-option surface. All three fall through to server passthrough. `RetailCommandHelpTable` (`src/AcDream.UI.Abstractions/Panels/Chat/RetailCommandHelpTable.cs`) | A user typing `@day`/`@log`/`@render` gets ACE's "Unknown command" instead of retail's local toggle/file-copy/render-option behavior — cosmetic/QoL only, no gameplay impact | `ClientCommunicationSystem::DoDay @ 0x005706F0`; `DoSetOutput @ 0x0057E4F0`; `DoRenderOption @ 0x0057E120` |
-| TS-67 | **Ambient contributions are computed in-plane.** Retail's `CLandBlock::add_ambient_sounds` @ `0x530310` positions each contributing land cell at its own SW terrain VERTEX, including that vertex's height, and `Ambient::CalcWeight` deliberately includes Z in its distance (where `CalcDir` deliberately excludes it — the two differ on purpose). acdream's gatherer supplies Z = 0 for the offset, so a cell's weight ignores the height difference between the listener and the terrain under that cell. | `src/AcDream.Core/Audio/AmbientSoundGatherer.cs` (`ContributeLandblock`) | Sampling the height needs the landblock's height table threaded into the walk alongside the terrain words; the walk already runs only on a 24 m crossing so the cost is not the obstacle, the extra plumbing at slice end was. The error is bounded by terrain relief inside 120 m and affects the crossfade weight only, never the direction. | On steep ground an ambient reads slightly louder than retail, because the true 3-D distance is longer than the planar one. | `CLandBlock::add_ambient_sounds @ 0x530310`; `Ambient::CalcWeight @ 0x550DD0` |
-| TS-74 | **Filed 2026-08-11 at Campaign OP slice OP3; What/Where extended 2026-08-11 at the OP3 review-fix round (mechanism review S5).** acdream has no persistent "turn to face camera" mouse-turning MODE — `MouseLookState` only implements retail's MMB-hold `CameraInstantMouseLook`. The Options panel's "Use Mouse Turning Settings" button still sends the `PlayerOption.UseMouseTurning` bit (`SetSingleCharacterOption 0x0005`) and persists the five client-local `CameraTurningSettings` preferences exactly as retail does — but flipping the bit ON has NO observable effect on acdream's camera today, because the mode it is supposed to enable was never built. **All five persisted preferences are STORE-ONLY with no consumer, not just the camera mode itself:** `Camera_Stiffness`, `Camera_AdjustmentSpeed`, `Camera_AlignToSlope`, `Input_MouseLookSensitivity`, and `Input_InvertMouseLookYAxis` (research doc `2026-08-10-options-panel-structure.md` §4) land in `settings.json`'s `cameraTurning` section and are read back only by the macro itself — acdream's ACTUALLY-live mouse sensitivity lives entirely separately, in `CameraPointerInputController`'s `_chase`/`_flySensitivity`/`_orbitSensitivity` fields (F8/F9-adjustable), so the macro's chat lines quote a `Default`-seeded "from" value (e.g. `0.550000`) that describes no live client state on a fresh profile. **LANDED 2026-08-11 at Campaign OP slice OP6**: the Config tab now surfaces all five as its own Camera/Input rows (`ConfigOptionsPageController.BindCameraSection`/`BindInputSection`), plus a SIXTH, previously-unmodeled field — `CameraTurningSettings.UseMouseTurning` (`Input_UseMouseTurning`, the Config tab's OWN client-local checkbox, distinct from the server-synced `PlayerOption.UseMouseTurning` bit this row already describes) — with the SAME store-only disposition; the "two stores for one concept" symptom below is now directly observable rather than latent. | `src/AcDream.UI.Abstractions/Input/MouseLookState.cs` (the only mouse-look mode present); `src/AcDream.App/UI/Layout/MouseTurningSettingsMacro.cs` (sends the bit regardless); `src/AcDream.UI.Abstractions/Panels/Settings/CameraTurningSettings.cs` (the six store-only keys); `src/AcDream.App/Input/CameraPointerInputController.cs` (the SEPARATE, actually-live sensitivity fields); `src/AcDream.App/UI/Layout/ConfigOptionsPageController.cs` (the Config tab's own rows, OP6) | Building the persistent mouse-turning camera mode is a camera/physics-scope feature, out of the Options-panel campaign's scope; the STORE-and-SEND half is honest and complete (matches every other stored-but-unconsumed option class in this register), so the bit round-trips correctly for any future consumer or a retail client reading the same character. | A user who clicks "Use Mouse Turning Settings" expecting the camera to start turning with mouse movement sees no camera change — only the (unwired) preferences persisting and the wire bit flipping. Beyond that: a user who separately tunes acdream's live F8/F9 mouse sensitivity, then clicks this button, sees a chat line quoting an UNRELATED stored value, not their live sensitivity — two stores for one concept, now user-visible in the Config tab UI (OP6). | `PlayerModule::UseMouseTurning @0x005D3380`; `CharacterOptions2.UseMouseTurning 0x00400000`; `claude-memory/project_camera_visibility_coupling.md` |
---
-## 5. Unclear (UN) — 4 rows (UN-9 FILED then RETRACTED 2026-08-09 at the CH3 Opus review — the "divergence" was a copy error in `docs/research/2026-08-09-chat-side-channels-vs-ace.md`, not a real code discrepancy: ACE's own `CharacterOptions1.cs:47` OR-sum is `0x50C4A54A` (its own inline comment `// 1355064650` confirms), identical to acdream's `PlayerDescriptionParser.cs:217`; the wrong literal `0x50C48D4A` existed only in the research doc. UN-8 retired 2026-07-30 by the P1 Opus review: CanJump polarity byte-proven `load < 2.0` from the PDB-paired binary — fld/fcomp [0x007c5e24=2.0f]/test ah,5/jp; unordered refuses. Evidence: stat-coupled pseudocode doc §12)
+## 5. Unclear (UN) — 4 rows
These rows have a missing, contradictory, or never-argued justification.
They are the highest-priority audits: each needs either a recorded
@@ -501,14 +308,17 @@ phase-gated — they carry their trigger in their row and should land
WITH that phase, not before.
1. **TS-27 — INBOUND retransmit handling** — the outbound sent-packet cache + resend landed with Campaign N Slice N1 (2026-07-29, class-doc gap list fixed same commit); the inbound sequence-aligned ISAAC + client NAK emission (N2/N4) remain the hard blocker for non-loopback play — one lost S2C packet still deafens the session permanently.
-2. **UN-1 — CheckOtherCells iteration order** — behavior-bearing halt order with a log-cosmetics justification; trivial to fix (iterate CELLARRAY build order, sort only in probe output).
-3. **UN-6 — 200 ms ConnectResponse sleep** — unexplained constant on every login with an intermittent-failure shape; either find the ACE race and cite it, or replace with an acknowledged-ready check.
-4. **UN-4 — GfxObj sides/negative-surface logic** — diagnose against the retail-cited CellStruct interpretation on a known double-sided GfxObj; promote to AP with a citation or align it.
-5. **TS-55 — AdminEnvirons fog/radar presentation** — exact retail mechanism is known; port the authored ambient/fog fields, radar blanking, Clear, and `0x270F` together.
-6. **TS-19 — Legacy ChaseCamera deletion** — already marked "pending the follow-up deletion commit"; its continued existence can mask or manufacture flap symptoms during debugging.
+2. **TS-4 — Path-6 steep slide-tangent shortcut** — landing/contact state diverges on every airborne-steep hit; the L.5+ retail-strict followup is already filed with the missing-ingredient analysis.
+3. **UN-1 — CheckOtherCells iteration order** — behavior-bearing halt order with a log-cosmetics justification; trivial to fix (iterate CELLARRAY build order, sort only in probe output).
+4. **TS-1 — PrecipiceSlide stop-at-edge** — visible movement mismatch at every cliff/roof edge; diagnostic already records which ingredient is missing.
+5. **UN-6 — 200 ms ConnectResponse sleep** — unexplained constant on every login with an intermittent-failure shape; either find the ACE race and cite it, or replace with an acknowledged-ready check.
+6. **UN-4 — GfxObj sides/negative-surface logic** — diagnose against the retail-cited CellStruct interpretation on a known double-sided GfxObj; promote to AP with a citation or align it.
+7. **TS-8 — MagicUpdateEnchantment StatMod parse (#7/#12)** — vitals wrong for the whole session after any buff; parser shape is known from holtburger.
+8. **TS-55 — AdminEnvirons fog/radar presentation** — exact retail mechanism is known; port the authored ambient/fog fields, radar blanking, Clear, and `0x270F` together.
+9. **TS-19 — Legacy ChaseCamera deletion** — already marked "pending the follow-up deletion commit"; its continued existence can mask or manufacture flap symptoms during debugging.
**Phase-gated (do WITH the phase, flagged here so they aren't forgotten):**
-M2 combat must land TS-25
+M2 combat must land TS-5 (CanJump gating), TS-23 (PK bits), TS-25
(stance in MoveToState), TS-17 (AttackConditions),
and revisit AP-13 (ComputeDamage) + AP-24 (jump-charge constant via the
0x0056ADE0 decompile). Emote work must land TS-24 (command-list packing).
diff --git a/docs/architecture/worldbuilder-inventory.md b/docs/architecture/worldbuilder-inventory.md
index a449b22b..c034005a 100644
--- a/docs/architecture/worldbuilder-inventory.md
+++ b/docs/architecture/worldbuilder-inventory.md
@@ -178,20 +178,6 @@ package schema, bake, DAT reader, collision formula, or render portal graph
changed. Evidence:
`docs/research/2026-07-26-prepared-indoor-transit-regression.md`.
-**Cell availability semantics (2026-07-31, corrected after full-catalog
-audit).** Raw and prepared CellStruct publication retains a `CellPhysics`
-record when the physics root is empty but requires a valid containment root.
-The installed 729,888-record raw and prepared catalogs contain zero rootless
-containment payloads. A malformed null/-1 root is quarantined atomically; the
-recursive inside base case applies only to a missing positive child below a
-valid root. Registration-side outdoor floods still add outside cells but skip
-transit when the active CLandCell is unavailable, and every later outdoor
-candidate independently requires its own visible landcell before building
-transit. The existing reflood retries after terrain/cell hydration. Both raw
-and prepared point-in-cell paths preserve retail's zero-portals guard. No
-package schema or DAT reader changed.
-Evidence: `docs/research/2026-07-31-cell-availability-semantics.md`.
-
**Retail VFX hook compatibility seam (2026-07-14).** Chorizite.DatReaderWriter
2.1.7 models `CreateBlockingParticleHook` as the common hook header only, while
retail inherits the complete `CreateParticleHook` payload. The narrow readers in
diff --git a/docs/ci-and-releases.md b/docs/ci-and-releases.md
deleted file mode 100644
index 0155696f..00000000
--- a/docs/ci-and-releases.md
+++ /dev/null
@@ -1,150 +0,0 @@
-# Continuous integration and alpha releases (Gitea)
-
-Single source of truth for how acdream builds, gates, and ships alpha builds.
-Landed 2026-08-19. Companion to [`release-gate.md`](release-gate.md), which
-owns the *local* bounded gate.
-
-## What happens on a push to main
-
-```
-git push origin main
- │
- ├─ windows-gate (RARE-win) build + full lane-filtered suite
- ├─ linux-portable (eriktestLinux) portable closure, Linux lanes
- │
- └─ release (needs BOTH green) publish a Gitea Release
- + republish the `latest` pointer
-```
-
-Workflow: [`.gitea/workflows/ci.yml`](../.gitea/workflows/ci.yml). Docs-only
-pushes (docs/, the memory trees, markdown) skip the pipeline entirely — no
-test can fail on them and a run costs ~7 minutes plus a 121 MB release. A red gate
-cannot publish: `release` uses `needs:`, not a `workflow_run` trigger, whose
-Forgejo support is unreliable.
-
-## Why Gitea and not GitHub
-
-GitHub Actions is **billing-blocked** on this account ("recent account payments
-have failed"), and the repo is private, so hosted runners consume paid minutes.
-Forgejo ships **no hosted runners at all**, so Actions there requires
-self-hosted ones — which are free on both platforms. The same two machines can
-serve GitHub later by registering a second agent; only the workflow's
-`runs-on` labels change.
-
-## The runners
-
-| | Windows | Linux |
-|---|---|---|
-| Host | `RARE` (10.6.0.3) | `eriktestLinux` (10.0.0.202) |
-| Agent | `act_runner` 0.2.13 | `forgejo-runner` 13.0.0 |
-| Persistence | Scheduled task `ForgejoRunner`, at logon of `acbot` | systemd `forgejo-runner`, `Restart=always` |
-| Labels | `windows`, `windows-latest`, `windows-x64` | `ubuntu-latest`, `ubuntu`, `linux`, `ubuntu-slim` |
-| Execution | host mode (`:host`) — no Docker on either box | host mode |
-
-Both **poll outbound** over HTTPS. Gitea never connects to them, so no inbound
-ports, no port forwarding, and no static IP; they work behind NAT. The runner
-does not have to live next to the Gitea container (which runs on `bluesnake`,
-a host we have no shell on).
-
-`forgejo-runner` publishes **no Windows binary in any release**, which is why
-Windows uses Gitea's `act_runner`. Forgejo speaks the same Actions protocol.
-
-### Prerequisites on a runner
-
-- **.NET SDK in the `global.json` band** — currently `10.0.3xx`. `10.0.400` is a
- different feature band and `rollForward: latestPatch` rejects it.
-- **Node.js** — `actions/checkout` and `actions/upload-artifact` are JavaScript
- actions. Docker images normally supply Node; in host mode the machine must.
-- **Git**, and outbound HTTPS to `git.snakedesert.se`.
-- **PowerShell 7** on Windows (`pwsh`); `tools/*.ps1` require it.
-
-## Releases
-
-Everything about distribution lives under **Releases** — nothing in git. A build
-is ~120 MB, so payloads are release attachments; and the pointer the launcher
-polls is itself a release asset, so there is no payload branch, no bot commit on
-`main`, and no push that could retrigger the pipeline.
-
-```
-Release 0.1.0-build. <- the actual build
- client-win-x64.zip AcDream.App.exe + acdream-headless.exe
- launcher-win-x64.zip acdream-launcher.exe + acdream-bake.exe
- manifest.json
-
-Release latest <- pointer, replaced every publish
- manifest.json names the version above and its asset URLs
-```
-
-The launcher polls the pointer at a URL that never changes
-(`ReleaseManifestClient.ProductionManifestUri`):
-
-```
-https://git.snakedesert.se/erik/acdream/releases/download/latest/manifest.json
-```
-
-A pointer is needed because **Forgejo has no `/releases/latest/download/`
-route** (verified: 404) — unlike GitHub, there is no built-in stable URL for
-"the newest release". Publishing it recreates the `latest` tag each time, which
-means deleting the old release *and* its tag; the tag outlives its release and
-would otherwise block recreation.
-
-The newest **5** versioned releases are kept and older ones are pruned with
-their tags. Each build is ~121 MB of attachments, so retaining every one grew
-the server by that much per push — 5 builds had already reached 606 MB. Five is
-enough to grab a previous build or bisect a regression while staying bounded.
-The `latest` pointer is never pruned; it is the feed, not a build.
-
-`tools/publish-bin.ps1 -BaseUrl ` builds the payloads; CI
-passes the tag's asset base. Running it locally is for inspection only —
-publishing is CI's job.
-
-### Verifying a release
-
-```powershell
-dotnet test tests/AcDream.Launcher.Core.Tests --filter Lane=Live
-```
-
-`LiveGiteaReleaseInstallTests` installs the advertised client from the real feed
-through the production updater — real SHA-256/size verification, extraction, and
-atomic activation — then asserts both hosts resolve out of the activated
-directory and `current.json` names the installed version.
-
-## Landmines
-
-Each of these cost a red pipeline; none was a config typo. Two rows record a
-fix that was tried and **disproved** — read those before repeating it.
-
-| Symptom | Cause |
-|---|---|
-| `Cannot find: node in PATH` | JS actions need Node on the host in `:host` mode |
-| `actions/setup-dotnet` never resolves | `data.forgejo.org` does not mirror it (404). `checkout` and `upload-artifact` **are** mirrored. Self-hosted runners carry the SDK anyway |
-| Job "failed" while dotnet processes still run | `run-release-gate.ps1` redirects children to log files, so the step goes silent; Forgejo fails a non-reporting task as a zombie. CI runs `dotnet test` directly so output streams |
-| ~40 tests fail on formatted numbers | Runner's `HKCU` locale was `en-SE` (comma decimal): expected `"update:0.25"`, got `"update:0,25"`. `Set-Culture` does **not** reach a scheduled task without a loaded profile — set the registry directly |
-| `DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1` as the locale fix | Too blunt — it breaks tests that legitimately construct a culture. Fix the machine locale instead |
-| `FileNotFoundException: client_cell_1.dat` | DAT-dependent tests missing `[Trait("Lane", "InstalledDat")]`. Build machines have no DATs |
-| Timing-sensitive test fails only under load | It belongs in `Lane=Timing` (see [`release-gate.md`](release-gate.md)). Do **not** chase these individually: four separate fixes each surfaced a different member of the same family, and serializing `Core.Net` to fix Linux regressed Windows from 1000 passed in 7 s to 999/1000 in 17 s |
-| Avalonia "calling thread cannot access this object" in cleanup | `MainWindowViewTests` needs a real desktop session and is `Lane=Manual`. Measured: PASSES on a dev desktop and on the CI Windows box over SSH; FAILS under `act_runner` and on Linux. Serializing the assembly does **not** fix it (tried via `xunit.runner.json` and a compiled-in `CollectionBehavior` attribute), and de-async-ing the test actively causes the failure. The stack shows a compositor being **constructed** during teardown — it is the headless session lifecycle, not parallelism |
-
-## Do not leave load on a runner
-
-A stress/diagnostic run left going on a runner competes with CI for the same
-machine and makes every job slower and more likely to trip a load-sensitive
-test — the exact failures you would then be trying to diagnose. Kill background
-work before trusting a timing result:
-
-```powershell
-Get-Process dotnet -ErrorAction SilentlyContinue | Stop-Process -Force # Windows
-pkill -9 dotnet # Linux
-```
-
-Leave `act_runner` / `forgejo-runner` itself alone; killing those unregisters
-nothing but stops the machine picking up jobs until it restarts.
-
-## Culture note
-
-The `en-SE` discovery is worth remembering beyond CI: config files, numeric
-parsing, and the wire are all culture-safe (`System.Text.Json` is invariant by
-spec, every `float/double.TryParse` passes `CultureInfo.InvariantCulture`, and
-the protocol is binary). Only **diagnostic strings** format with the current
-culture, so a European player sees `local=(8,00; 191,00)` in an F3 dump. The
-client installs and runs correctly in both the US and Europe.
diff --git a/docs/plans/2026-04-11-roadmap.md b/docs/plans/2026-04-11-roadmap.md
index 4f2cc180..7df862a6 100644
--- a/docs/plans/2026-04-11-roadmap.md
+++ b/docs/plans/2026-04-11-roadmap.md
@@ -1,6 +1,6 @@
# acdream — strategic roadmap
-**Status:** Living document. Updated 2026-08-14. **M3 landed; M4 is active.** M3's retail casting/UI, R6 locomotion/collision/projectile/teleport/radar rebaseline, deterministic fresh-login/portal world lifecycle, and final two-client portal observer flow are user-gated. All eight slices of the behavior-preserving ownership campaign in [`docs/architecture/code-structure.md`](../architecture/code-structure.md), their automated closeout, and the user's connected visual matrix are complete. Modern Runtime J3 canonical entity/object lifetime and J4 gameplay-state ownership are closed at `89e6b207`; J5.1 canonical selection/combat/target-mode ownership is closed at `b298f99f`, J5.2 interaction transactions at `f5f7b417`, J5.3 combat/magic intent at `20df9d15`, J5.4 local movement/outbound cadence at `aa3f4a60`, J5.5 per-session physics/remote simulation at `7e6033d0`, J5.6 projectile simulation at `2aee3356`, and J5.7 combined simulation closeout at `cdee7a4b`. J6.1 world-environment ownership is closed at `902076c0`; J6.2 canonical reveal generation and typed destination readiness is closed at `a6860d55` plus `acb845d8`; J6.3 exact F751/Position destination correlation is closed at `6a063a27`; J6.4 exact graphical-host acknowledgement and owner cleanup is closed at `18d17d8b`. J7's one graphical `GameRuntime` root is closed at `ce41efb9`, including the user's 2026-07-27 exact post-cutover visual acceptance. J8 closed Slice J at `a9a822f2` with one shared graphical/no-window root and generation-reset transaction. Slice K Linux headless/multi-session work is closed. K0's tested no-presentation Windows/Linux boundary closed at `aada8a37`, K1's portable single-session host at `f8cb840f`, K2's deterministic scheduler and shared bot API at `7e8acb74` plus `38e83640`, and K3's shared-content/isolation plus connected observer gate at `3f340125`. K4 closed through `776482da`: 1/5/10/30-root isolation and two-hour simulated endurance, death/randomized cancellation, committed resource ceilings, ten minutes of exact native Linux two-account connected sampling, ACE-confirmed graceful logout, and zero-debt Runtime/content convergence all pass. Slice L Linux graphical/platform work is parked at its L1 implementation checkpoint by user direction on 2026-07-27. Issue #225's lifestone/particle alpha comparison remains a separate rendering visual gate.
+**Status:** Living document. Updated 2026-07-27. **M3 landed; M4 is active.** M3's retail casting/UI, R6 locomotion/collision/projectile/teleport/radar rebaseline, deterministic fresh-login/portal world lifecycle, and final two-client portal observer flow are user-gated. All eight slices of the behavior-preserving ownership campaign in [`docs/architecture/code-structure.md`](../architecture/code-structure.md), their automated closeout, and the user's connected visual matrix are complete. Modern Runtime J3 canonical entity/object lifetime and J4 gameplay-state ownership are closed at `89e6b207`; J5.1 canonical selection/combat/target-mode ownership is closed at `b298f99f`, J5.2 interaction transactions at `f5f7b417`, J5.3 combat/magic intent at `20df9d15`, J5.4 local movement/outbound cadence at `aa3f4a60`, J5.5 per-session physics/remote simulation at `7e6033d0`, J5.6 projectile simulation at `2aee3356`, and J5.7 combined simulation closeout at `cdee7a4b`. J6.1 world-environment ownership is closed at `902076c0`; J6.2 canonical reveal generation and typed destination readiness is closed at `a6860d55` plus `acb845d8`; J6.3 exact F751/Position destination correlation is closed at `6a063a27`; J6.4 exact graphical-host acknowledgement and owner cleanup is closed at `18d17d8b`. J7's one graphical `GameRuntime` root is closed at `ce41efb9`, including the user's 2026-07-27 exact post-cutover visual acceptance. J8 closed Slice J at `a9a822f2` with one shared graphical/no-window root and generation-reset transaction. Slice K Linux headless/multi-session work is closed. K0's tested no-presentation Windows/Linux boundary closed at `aada8a37`, K1's portable single-session host at `f8cb840f`, K2's deterministic scheduler and shared bot API at `7e8acb74` plus `38e83640`, and K3's shared-content/isolation plus connected observer gate at `3f340125`. K4 closed through `776482da`: 1/5/10/30-root isolation and two-hour simulated endurance, death/randomized cancellation, committed resource ceilings, ten minutes of exact native Linux two-account connected sampling, ACE-confirmed graceful logout, and zero-debt Runtime/content convergence all pass. Slice L Linux graphical/platform work is parked at its L1 implementation checkpoint by user direction on 2026-07-27. Issue #225's lifestone/particle alpha comparison remains a separate rendering visual gate.
**Purpose:** One source of truth for where the project is and where it's going. Every observed defect or missing feature has a named phase that owns it; when something looks wrong in-game, look here to find the phase that'll address it. Implementation details live in per-phase specs under `docs/superpowers/specs/`, not in this file.
**Slice L checkpoint:** L0 closed at `66f114b2` with one typed graphical
@@ -22,9 +22,8 @@ falsification ledger — is [`2026-07-27-vulkan-campaign.md`](2026-07-27-vulkan-
The user signed the V10 cutover; V11 deleted GL (−27,670 lines) and all
deferred reruns pass on the GL-free tree.
-**Campaign N — retail reliable network transport (CLOSED 2026-07-29,
-user-accepted; #260 closed — a real wire loss recovered live during the
-acceptance session):** the #260 live-server wedge root-caused to missing packet-loss
+**Campaign N — retail reliable network transport (ACTIVE, started
+2026-07-29):** the #260 live-server wedge root-caused to missing packet-loss
recovery in both directions (no outbound retransmission; inbound ISAAC burned
in arrival order) — acdream could not survive a single lost UDP packet, and
loopback gates were structurally blind to it. The campaign ports retail's
@@ -35,138 +34,9 @@ N0–N6 with a permanent loss-injection gate at N5 and a user Coldeve
endurance session as final acceptance. The plan is
[`2026-07-29-network-transport-campaign.md`](2026-07-29-network-transport-campaign.md).
-**Campaign P — physics retail-feel parity (CLOSED 2026-07-31):**
-user-directed pre-vendor detour closing every physics-scope gap the
-2026-07-29 audit found: stat-coupled movement (burden/stamina/vitae →
-run/jump), the collision response-layer edge family (friction gate,
-PrecipiceSlide, sled, steep-poly chain, #116), remote-object residuals
-(Setup sphere lists, PK bits, #165), world specials (entry restrictions,
-water sink-in), deferred fidelity (#167, #153), the #262 login defect, and
-a ledger pass. Goal: zero physics TS rows, no unargued feel-affecting AP
-rows, one final batched connected visual matrix. Sonnet implements, Opus
-reviews. The plan is
-[`2026-07-29-physics-parity-campaign.md`](2026-07-29-physics-parity-campaign.md).
-The 2026-07-31 #268 stat-chain package is implemented and user-accepted:
-panel and Runtime movement share retail's complete augmentation ordering,
-the authored per-fragment vitae/buff/debuff colors are live, and AP-127 plus
-TS-8 are retired by focused and end-to-end packet tests. #269's
-capture-driven slope-slide residual is also closed and user-accepted:
-`CTransition::validate_transition` now performs retail's non-OK-only
-remembered-plane restore with the preceding `OBJECTINFO::kill_velocity`.
-The matrix then exposed #272: burden was invalidated by base Strength but not
-by Strength enchantment add/purge. Runtime movement plus both retained burden
-surfaces now use effective Strength and the canonical enchantment-change edge;
-automated gates pass and the connected buff/death gate was user-accepted on
-2026-07-31. The final session also accepted burden/exhaustion, wall/corner,
-crowd, two-client remote/door/portal, and shallow-water behavior. The user
-waived the general sweep and explicitly deferred the barred-house gate as
-#274. The later exact-location #273 tight-gap gate is now fixed and accepted.
-
-**Campaign A — audio retail parity (CODE-COMPLETE 2026-08-08):** ported
-retail's CPU-side 2-D pan+gain audio model (animation-hook sounds, the
-`0xF750` server sound channel, PhysicsScripts, the interface sound bank,
-and the region ambient system); found and corrected three false claims in
-the old E.2 row (no 3-D pool, gain-based eviction, weighted variant
-picking) and deleted the music API (retail has none). Slices A1–A6 landed;
-open tail is #358 (Ctrl+M mute chord never fires) and the formal
-plan-status flip. Plan:
-[`2026-08-08-audio-parity-campaign.md`](2026-08-08-audio-parity-campaign.md).
-
-**Campaign CH — chat & interface-text retail parity (CODE-COMPLETE
-2026-08-09, pending the connected user gate):** four implementation
-slices closing the chat surface's biggest retail-parity gaps ahead of the
-friend-alpha: CH1 the complete 34-value `LogTextType` color table, CH2
-the on-screen SpewBox interface text (jump-refusal class, WeenieError
-routing table), CH3 side-channel membership/wire/echo parity (Turbine
-rooms, the legacy family, self-echo), and CH4 command registry completion
-(138 of 152 retail verbs now execute locally). Every slice landed a
-dual-Opus review (retail faithfulness + architecture) before its gate;
-full Release suite 12,221 passed / 4 skipped / 0 failed. Plan and ledger:
-[`2026-08-09-chat-parity-campaign.md`](2026-08-09-chat-parity-campaign.md);
-in-client acceptance script:
-[`2026-08-09-campaign-ch-test-script.md`](../research/2026-08-09-campaign-ch-test-script.md).
-
-**Campaign LA — launcher/installer/updater + retail character-select
-(ACTIVE 2026-08-14):** the alpha-program launcher: an Avalonia app
-(Windows + Linux) doing triple duty — install (DAT locate → `acdream-bake`
-with progress → SHA record), update (GitHub Releases manifest, verified
-download, atomic version swap, launcher self-update), and launch
-(ThwargLauncher-model server × account × character profiles with full
-in-UI CRUD; plaintext credential file by explicit user decision).
-File-contract orchestration of both hosts: session config in (K1 shape +
-plugins + login commands), password via child stdin, versioned JSONL
-status events out. Adds the headless character-list probe, plugin hosting
-+ login commands on both hosts, and the retail character-management
-screen (recon-corrected: `gmCharacterManagementUI` is a flat listbox with
-Enter/Delete/Restore — NO 3D preview on retail's select screen; Create is
-a future campaign). Spec:
-[`2026-08-14-launcher-campaign-design.md`](../superpowers/specs/2026-08-14-launcher-campaign-design.md);
-plan + ledger:
-[`2026-08-14-launcher-campaign.md`](2026-08-14-launcher-campaign.md).
-LA0 through LA11's automated scope are review-closed: the portable path boundary,
-failure-isolated launch/status contract, BCL-only launcher core, shared
-composer-to-both-host-loader anti-drift gate, and character wire messages are
-landed. The self-contained Avalonia launcher, transactional two-host plugin
-lifetime, shared login-command route, Runtime-owned retail selection state,
-authored DAT character screen, crash-safe verified installer, and atomic
-cross-platform updater/self-updater are integrated. Windows group-isolated
-Headless stop, isolated A/B update fixtures, strict status/redaction evidence,
-and one exact Windows/Ubuntu operator script are also landed. The integrated
-clean preflight passes 32/32 commands and 14,012 tests / 5 skips. Campaign code
-is complete but not shipped: the connected/visual/real-DAT user gate is the
-only remaining boundary.
-
-**Remaining physics-divergence closeout (ACTIVE, checkpoint 2026-08-03):** the user then
-authorized retirement of the remaining proven collision/placement gaps before
-vendor work resumes. Nested retry, edge/StepDown/Path-6 ordering, exact cell
-availability, atomic collision generations, canonical Core SetPosition,
-Runtime lost-cell residence, authored mover/body preparation, placement
-receipts and observers, collision-prefix replacement, authoritative route
-classification, and initial Create residence are landed as bisectable
-checkpoints. Commit `38fd4b8d` retains the accepted Create placement plus
-fresher Position FIFO until exact placement and ordered adoption complete.
-Commit `30012361` completes the bounded inbound-admission checkpoint: all
-accepted mixed updates remain deep-frozen in exact arrival order while the
-initial placement waits, with no early canonical/public snapshot, event, or
-presentation mutation. Missing-parent raw Create, delete, reconnect/reset,
-GUID reuse, malformed projections, saturation, and reentrant teardown are
-covered. Commit `5db3de3c` (2026-08-02) completes the continuation executor:
-retry-idempotent single adoption of the acknowledged initial placement,
-retail's exact Create tail, GUID-keyed deferred-child and parent-relation
-replay with cancellation-aware windows, strict-sequence mixed-FIFO drain with
-execution-time retail Position routing, shared apply bodies keeping one
-snapshot store in lockstep, and converged ownership ledgers on every
-abandonment path — dual independent reviews PASS; register rows
-AD-59/AD-60/AP-130/AP-131/AP-132/TS-62/TS-63 filed in the same commit.
-Production initial Create registration is now cut over by C3c (`529e0e9d`).
-The O(changed) collision-publication checkpoint and five stabilization fixes
-through `175ad6b0` restore recenter convergence, remote world-frame placement
-and targeting, distant Use, one-shot spell/projectile/static effects, and
-login materialization; the corresponding connected user gates passed. The
-fixture reconciliation closed 2026-08-03 as #281 (the recorded "six" measured
-as 43). **C4 is implementation-complete 2026-08-05**: routes 2 (`9966b531`,
-user-accepted), 4a (`44830a0e`), 4b-1/4b-2/4b-3
-(`2e8e09ac`/`7f1c1f5a`/`6dc7ba51` — 4b-2's far-snap and 4b-3's teleport-ts
-connected gates user-passed), 5 (`36255af0`, test-gated by design — ACE never
-sends a missile UpdatePosition), 6 (`1b484937`, a zero-production-line
-closure whose coverage tests found and fixed #314), 7 (`cd3129e9`, child-cell
-propagation moved from a render tick into Runtime), and 3 (`e0f96a55`, the
-canonical portal placement authority) all place through the canonical Runtime
-owner; the complete Release suite measures 11,090 passed / 4 skipped /
-0 failed. The campaign remains open for C4's four owed connected gates
-(route 6 drops; route 7 equip/carry counted only with `cause=propagate`
-probe lines; route 3 portal/recall counted only with `[local-tp]` probe
-lines and not scored against #318; 4b-3's `cause=cellless` case, whose
-recorded trigger route 7 invalidated), portal destination prefetch #280, the
-final-binary C5 legacy-deletion/suite/soak/visual matrix, AP-22 authored
-object shapes, and AD-10 remote contact-plane projection.
-Current plan and successor handoff:
-[`2026-08-02-placement-cutover.md`](2026-08-02-placement-cutover.md) and
-[`2026-08-05-c4-closeout-handoff.md`](../research/2026-08-05-c4-closeout-handoff.md).
-
---
-## Paused program: world interaction completion (M4 prelude)
+## Current program: world interaction completion (M4 prelude)
The active work order is
[`2026-07-23-world-interaction-completion.md`](2026-07-23-world-interaction-completion.md).
@@ -463,7 +333,7 @@ W1 plan: [`docs/superpowers/plans/2026-06-02-unified-cell-graph-stage1.md`](../s
| B.2 | Player movement mode — Tab-toggled WASD ground walking, walk/run/idle animations, third-person chase camera, MoveToState + AutonomousPosition outbound, portal entry. Outdoor-only MVP. | Live ✓ |
| D.1 | 2D ortho overlay + font rendering (StbTrueTypeSharp atlas + TextRenderer + DebugOverlay) | Visual ✓ |
| E.1 | Motion-hook expansion — AnimationSequencer fires all 27 hook types per crossed frame; PosFrames root motion + vel/omega exposure; IAnimationHookSink + AnimationHookRouter fan-out | Tests ✓ |
-| E.2 | Audio engine — OpenAL voice bank, SoundTable/Wave decoding, AudioHookSink wiring. **Superseded 2026-08-08 by Campaign A** (`docs/plans/2026-08-08-audio-parity-campaign.md`), which found three of this row's claims false: the pool was not 3-D in retail (every gameplay buffer is 2-D and spatialization is CPU-side), eviction compared gain rather than retail's DAT priority, and the "probability-weighted variant picking" was the defect itself — probability is a Bernoulli silence gate, not a weight. Campaign A also added the 0xF750 server sound channel, the interface sound bank, and the region ambient system, and deleted the music API (retail has none). | Tests ✓ / listening gate owed |
+| E.2 | Audio engine — OpenAL 16-voice 3D pool with retail-faithful quieter-slot eviction, SoundTable cookbook (probability-weighted variant picking), Wave PCM decoder, AudioHookSink wiring | Tests ✓ |
| E.3 | Particle system (data layer) — ParticleSystem with 13 motion integrators, EmitterDescRegistry, ParticleHookSink wiring all CreateParticle / DestroyParticle / StopParticle hooks | Tests ✓ |
| E.4 | Combat notifications + outbound — AttackTargetRequest (0x0008), 7 combat notification parsers (Victim/Defender/Attacker/Evasion/AttackDone/UpdateHealth), CombatState per-entity health tracker | Tests ✓ |
| E.5 | Spell cast wire — CastSpellRequest targeted (0x004A) + untargeted (0x0048), Spellbook (learned spells + active-enchantment layers), 5 enchantment GameEvent parsers | Tests ✓ |
@@ -480,7 +350,7 @@ W1 plan: [`docs/superpowers/plans/2026-06-02-unified-cell-graph-stage1.md`](../s
| I.3 | `LiveCommandBus` + `WorldSession.SendTalk` / `SendTell` / `SendChannel` — replaces `NullCommandBus.Instance` with a real handler-registry `ICommandBus`. New `SendChatCmd` record + `ChannelResolver` legacy-id mapping (per holtburger). 3-line wrappers around existing `ChatRequests.BuildTalk/Tell/ChatChannel`. | Tests ✓ |
| I.4 | `ChatPanel` input field + slash commands — Enter-to-submit input field; `ChatInputParser` recognises `/say` `/t` `/tell` `/r` `/g` `/f` `/a` `/m` `/p` `/v` `/cv` `/lfg` `/trade` `/role` `/society` `/olthoi`; `ChatVM.LastIncomingTellSender` tracks for `/r` reply. `ImGui.WantCaptureKeyboard` already suppresses WASD on focus. | Live ✓ |
| I.5 | Holtburger inbound chat parity + Windows-1252 codec — `EmoteText (0x01E0)`, `SoulEmote (0x01E2)`, `ServerMessage (0xF7E0)`, `PlayerKilled (0x019E)` parsers + `WeenieError` routing through `GameEventWiring`. Global string codec switch from `Encoding.ASCII` to `Encoding.GetEncoding(1252)` so accented names round-trip per retail + holtburger. | Tests ✓ |
-| I.6 | TurbineChat codec + `ChatChannelInfo` — full `0xF7DE` codec with three payload variants (`EventSendToRoom`, `RequestSendToRoomById`, `Response`), UTF-16LE strings with variable-length prefix, `SetTurbineChatChannels (0x0295)` parser, unified `ChatChannelInfo` (Legacy + Turbine variants), `TurbineChatState`. **Correction (Campaign CH slice CH3, 2026-08-09): the "ACE doesn't host a TurbineChat server" note above was FALSE — ACE has a complete, on-by-default TurbineChat implementation; see `docs/research/2026-08-09-chat-side-channels-vs-ace.md` §1.** | Tests ✓ |
+| I.6 | TurbineChat codec + `ChatChannelInfo` — full `0xF7DE` codec with three payload variants (`EventSendToRoom`, `RequestSendToRoomById`, `Response`), UTF-16LE strings with variable-length prefix, `SetTurbineChatChannels (0x0295)` parser, unified `ChatChannelInfo` (Legacy + Turbine variants), `TurbineChatState`. **ACE doesn't host a TurbineChat server — codec is ready when retail-emulating servers exist.** | Tests ✓ |
| I.7 | `CombatChatTranslator` — retail-faithful combat-text formatters into `ChatLog` ("You hit drudge for 50 slashing damage (87%)"). Subscribes to `CombatState`'s `DamageTaken` / `DamageDealtAccepted` / `EvadedIncoming` / `MissedOutgoing` / `KillLanded`; `AttackDone` is control-only and deliberately silent. | Tests ✓ |
| K | Input architecture — `Action` enum, `KeyChord`, `KeyBindings`, multicast `InputDispatcher` with scope-stack + modal capture, retail-default keymap (152 bindings), `keybinds.json` persistence, F11 Settings panel with click-to-rebind + conflict detection, main menu bar + View menu | Live ✓ |
| L.0 | Full retail-style Settings interface — F11 tabbed panel with 6 tabs (Keybinds + Display + Audio + Gameplay + Chat + Character). `settings.json` at `%LOCALAPPDATA%\acdream\`, per-toon `Character` keying (swapped on EnterWorld). Display GL knobs (Resolution / Fullscreen / VSync / FOV / ShowFps) + Audio (Master / SFX) live-wired; Gameplay / Chat / Character settings persist for server-sync wiring later. Tab API extension to `IPanelRenderer`; chat Copy mode (read-only multi-line); per-panel layout reset; FramebufferResize handler keeps GL viewport + camera aspect + panel positions in sync. | Live ✓ |
@@ -999,7 +869,7 @@ the way retail + holtburger expect.
- **✓ SHIPPED — I.3 — `LiveCommandBus` + `WorldSession.Send{Talk,Tell,Channel}`.** Replaces `NullCommandBus.Instance` with a real handler-registry `ICommandBus`. New `SendChatCmd` record + `ChatChannelKind` enum + `ChannelResolver` legacy-id mapping (per holtburger). `WorldSession.SendTalk` / `SendTell` / `SendChannel` are 3-line wrappers around existing `ChatRequests.BuildTalk/Tell/ChatChannel`. Commit `8e6e5a0`.
- **✓ SHIPPED — I.4 — `ChatPanel` input field + slash commands.** Enter-to-submit input field on `ChatPanel`; `ChatInputParser` recognises `/say` `/t` `/tell` `/r` `/g` `/f` `/a` `/m` `/p` `/v` `/cv` `/lfg` `/trade` `/role` `/society` `/olthoi`; `ChatVM.LastIncomingTellSender` tracks for `/r` reply. `ImGui.WantCaptureKeyboard` already suppresses WASD on input focus. Commit `f14296c`.
- **✓ SHIPPED — I.5 — Holtburger inbound chat parity + Windows-1252.** `EmoteText (0x01E0)`, `SoulEmote (0x01E2)`, `ServerMessage (0xF7E0)`, `PlayerKilled (0x019E)` parsers + `WeenieError` routing through `GameEventWiring`. Global string codec switch from `Encoding.ASCII` to `Encoding.GetEncoding(1252)` so accented names round-trip per retail + holtburger. Commit `ff5ed9e`.
-- **✓ SHIPPED — I.6 — TurbineChat codec + `ChatChannelInfo`.** Full `0xF7DE` codec with three payload variants (`EventSendToRoom`, `RequestSendToRoomById`, `Response`), UTF-16LE strings with variable-length prefix, `SetTurbineChatChannels (0x0295)` parser, unified `ChatChannelInfo` (Legacy + Turbine variants), `TurbineChatState`. **Correction (Campaign CH slice CH3, 2026-08-09): the "ACE doesn't host a TurbineChat server" note above was FALSE — ACE has a complete, on-by-default TurbineChat implementation; see `docs/research/2026-08-09-chat-side-channels-vs-ace.md` §1.** Commit `ca968fc`.
+- **✓ SHIPPED — I.6 — TurbineChat codec + `ChatChannelInfo`.** Full `0xF7DE` codec with three payload variants (`EventSendToRoom`, `RequestSendToRoomById`, `Response`), UTF-16LE strings with variable-length prefix, `SetTurbineChatChannels (0x0295)` parser, unified `ChatChannelInfo` (Legacy + Turbine variants), `TurbineChatState`. **ACE doesn't host a TurbineChat server — codec is ready when retail-emulating servers exist.** Commit `ca968fc`.
- **✓ SHIPPED — I.7 — `CombatChatTranslator`.** Retail-faithful combat-text formatters into `ChatLog` ("You hit drudge for 50 slashing damage (87%)"). Subscribes to visible damage/evasion/miss/kill events; `AttackDone` was removed from chat after named retail + ACE proved its nonzero final status is control-only. Commit `3d26c8e`, corrected 2026-07-11.
- **✓ SHIPPED — I.8 — Docs alignment.** Roadmap (this file) + `docs/ISSUES.md` issues #14-#20 closed + `memory/project_chat_pipeline.md` crib + `MEMORY.md` index entry + `CLAUDE.md` UI strategy paragraph all updated to reflect Phase I shipped state. Commit `(this commit)`.
@@ -2131,7 +2001,6 @@ OpenGL ceiling; revisit macOS only if a supported graphics backend is chosen.
| Can't fight monsters | **M2 LANDED 2026-07-15** ✓ — melee/missile, death, loot, inventory loop user-gated |
| Can't cast spells | **M3 connected single-client casting/effects gate passed** ✓; final two-client portal observer gate remains |
| No inventory panel | **D.5 / M2 SHIPPED + user-gated** ✓ — bags, stacks, paperdoll, equipment, drag/drop, loot |
-| No player-to-player trading | **Secure trade SHIPPED + two-client user gate PASSED 2026-08-14** ✓ — gmSecureTradeUI window (LayoutDesc 0x2100000D), full 0x1F6–0x208 wire, both retail open paths (Use-on-player, drag-item-onto-player option), staged-item trading marker, cancel text; research `docs/research/2026-08-14-trade-lane{A,B,C}-*.md`, memory `project_secure_trade.md` |
| No character creation — must use ACE admin | **Phase H.4** |
| Sky is a flat color | **Phase G.1** (shipped; F7 cycles time, F10 cycles weather) |
| Can't join allegiance | **Phase H.2** |
diff --git a/docs/plans/2026-05-12-milestones.md b/docs/plans/2026-05-12-milestones.md
index 97cc4612..5b4b6e0e 100644
--- a/docs/plans/2026-05-12-milestones.md
+++ b/docs/plans/2026-05-12-milestones.md
@@ -87,40 +87,8 @@ program: spell-bar overflow, status Use/Assess, assessment information,
equipped-child picking, vendor browsing, and authoritative vendor
transactions. This is deliberately using the extracted interaction owners and
canonical shared main-panel host before quest/emote/character-creation bodies
-broaden the feature surface. Slices 1–4 are user-accepted. Campaign P's
-connected feel matrix closed on 2026-07-31 with tight-gap collision clearance
-(#273) and the deferred restricted-house gate (#274) explicitly carried. The
-user subsequently authorized the remaining physics-divergence closeout before
-vendor work. Placement Slice 4B2 is now complete through dormant SetPosition
-activation, graphical/no-window placement receipts, collision-prefix
-replacement, authoritative route classification, pre-placement App staging,
-and Runtime's initial Create residence/FIFO transaction at `38fd4b8d`.
-The bounded admission checkpoint is complete at `30012361`: every accepted
-same-incarnation Create, ObjDesc, Parent, Pickup, Position, Movement, State,
-and Vector update is retained as a deep-frozen, arrival-ordered Runtime action
-without changing the canonical/public snapshot or presentation while initial
-placement waits. The continuation executor is complete at `5db3de3c`
-(2026-08-02): one retry-idempotent Runtime `Execute` transaction adopts the
-acknowledged initial placement exactly once, applies retail's Create tail,
-replays deferred missing-parent raw Creates and queued parent relations by
-parent GUID with cancellation-aware detach/restore windows, and drains the
-mixed FIFO strictly by sequence with execution-time retail Position routing
-through the canonical SetPosition lifecycle. Independent retail-conformance
-and architecture/adversarial reviews both PASS after five implementation
-rounds; register rows AD-59/AD-60/AP-130/AP-131/AP-132/TS-62/TS-63 document
-the slice's deviations; Runtime tests 903/903, complete Release solution
-10,696/4 skips. Production initial Create registration is now cut over by C3c
-(`529e0e9d`). The O(changed) collision-publication checkpoint and
-stabilization fixes `01f4791e`, `670f307c`, `1fc529cd`, `f24532ad`, and
-`175ad6b0` are connected user-accepted for recenter convergence, remote
-monster/static placement and targeting, distant Use, spell/projectile/static
-VFX, and login materialization. The remaining order is six selected-fixture
-reconciliations, C4 routes 2–7, portal destination prefetch #280, C5's
-final-binary complete suite/soak/two-client matrix, AP-22 shape fidelity,
-AD-10 remote contact-plane projection, and final ledger closeout. Resume Slice
-5 vendor browsing only after that closeout or a new explicit user direction.
-Canonical checkpoint:
-[`2026-08-02-placement-cutover.md`](2026-08-02-placement-cutover.md).
+broaden the feature surface. Slices 1–3 are user-accepted; resume at Slice 4
+equipped-child picking.
The separately authorized modern-runtime performance program has completed
Slices A–D: corrected measurement, prepared-package bake/dedup, package-only
diff --git a/docs/plans/2026-06-11-building-render-port-plan.md b/docs/plans/2026-06-11-building-render-port-plan.md
index a305d62c..f367e32a 100644
--- a/docs/plans/2026-06-11-building-render-port-plan.md
+++ b/docs/plans/2026-06-11-building-render-port-plan.md
@@ -104,7 +104,7 @@ inline when ported.
### BR-1 — The surface gate — ✅ RESOLVED AS ALREADY-EQUIVALENT (2026-06-11, execution day 1)
**Premise falsified before implementation (the BR-1 pre-check,
-`Diagnostic_ReplicateProductionEmission_OnPortalFills`):** acdream **already suppresses
+`ReplicateProductionEmission_OnPortalFills`):** acdream **already suppresses
every portal fill** — all four extraction paths skip `Stippling.NoPos`
positive sides (`ObjectMeshManager.PrepareGfxObjMeshData:1046`,
`PrepareCellStructMeshData:1394`, `CellMesh.Build:44`, `GfxObjMesh.Build:71`),
diff --git a/docs/plans/2026-07-23-world-interaction-completion.md b/docs/plans/2026-07-23-world-interaction-completion.md
index f02a4038..ba8d289d 100644
--- a/docs/plans/2026-07-23-world-interaction-completion.md
+++ b/docs/plans/2026-07-23-world-interaction-completion.md
@@ -14,10 +14,8 @@ component-disabled ACE characters to the modern scarab/prismatic formula,
resolves formula icons by their DAT icon DIDs, installs those icons as each
authored template root's own foreground image, and migrates stale examination
dimensions once to the authored 310 x 400 extent. The final connected
-assessment gate passed on 2026-07-24. Slice 4 equipped-child world picking
-(with the Opus F1 wielded-pickup-legality correction) passed its connected
-visual gate on Coldeve and was user-accepted 2026-07-29. Slices 1–4 are
-complete; resume at Slice 5, vendor browsing.
+assessment gate passed on 2026-07-24. Slices 1–3 are complete; resume at Slice
+4, equipped-child world picking.
**Milestone:** M4 prerequisite/preamble.
**Architecture:** retained gameplay UI over shared selection, object, and
interaction state. `GameWindow` remains a composition/callback shell.
@@ -409,8 +407,7 @@ Named retail references and executable pseudocode are recorded in
## Slice 4 — equipped-child world picking
-**Status:** USER-ACCEPTED 2026-07-29 — the two-client visual gate passed on
-Coldeve ("child world picking works"). Owner
+**Status:** implemented 2026-07-29, pending the two-client visual gate. Owner
shape per the program table held: pure world-query/picking policy plus
presentation anchor. No wire, physics, renderer, or
`EquippedChildRenderController` changes. `LiveEntityRuntime` gained scoped
@@ -554,211 +551,3 @@ already published per frame to `EntityEffectPoseRegistry` (`PublishChildPose`,
- Existing architectural divergence, unchanged by this slice: retail re-arms
the pick every frame for hover/tooltips (`sr_MouseOver`); acdream picks on
demand per click against the last published frame, with an identity recheck.
-
-## Slice 5 — vendor browse lifecycle (contract authored 2026-08-08)
-
-**Research foundation:**
-`docs/research/2026-08-08-slice5-vendor-browse-research.md` (all wire,
-retail-symbol, and seam citations live there — this contract only records
-DECISIONS and ordered work). Browse only; every buy/sell/accept concern is
-Slice 6 (see the research doc's §D fence).
-
-### Decisions on the research doc's eight open questions
-
-1. `VendorState` lives in `AcDream.Core.Items`, a sibling of
- `ExternalContainerState`.
-2. The shared `PublicWeenieDesc`-body parser IS extracted from
- `CreateObject.TryParse` FIRST, as its own behavior-preserving commit
- (5.0). Existing CreateObject wire tests must pass unchanged; the
- extraction adds no parsing behavior.
-3. `ShopSystem::BuyPrice`/`SellPrice` (0x006B6120/0x006B6180,
- byte-identical to ACE's `GetBuyCost`/`GetSellCost`) are ported NOW as
- pure Core functions with golden-value conformance tests — the browse
- list shows retail-correct prices from day one.
-4. No request-correlation token in Slice 5: the panel always opens on the
- browse/Buy tab. Slice 6 adds the sell-initiated correlation.
-5. `VendorProfile::InqAcceptability` (which player items the vendor would
- accept) is deferred to Slice 6 with the sell UI it gates.
-6. Category/type filter tabs are IN SCOPE for retail parity. The
- implementer's D0 reads `VendorItemsUI::AddTypeFilter` /
- `ListContainsType` (around 0x004C05C0/0x004C0D90) into a pseudocode
- note before any UI work; if that read reveals a mechanism too large
- for this slice, STOP and report (fallback — flat list + register row —
- requires explicit approval, not implementer discretion).
-7. The vendor panel's top-level LayoutDesc id is NOT yet known: the UI
- piece budgets a LayoutImporter discovery pass (the exact process that
- found the examination window's 0x2100006B), cross-checked by the two
- known tab-control ids (0x100000B9 Buy / 0x100000BB Sell) resolving
- under the candidate root.
-8. AP-110 is narrowed in the SAME COMMIT that lands the panel: "vendor"
- leaves the absent-panels list; whatever sub-scope remains absent after
- this slice gets its own precise row.
-
-### Ordered work (each lands separately, bisectable)
-
-- **5.0** — extract the shared `PublicWeenieDesc`-body parser
- (behavior-preserving; wire tests unchanged; no vendor code).
-- **5.1** — `ApproachVendor` (GameEvent 0x0062) inbound parser:
- `VendorProfile` + the full-desc item list, against the research doc's
- byte-verified field table; Core.Net tests with golden byte fixtures.
-- **5.2** — `VendorState` in Core.Items + the BuyPrice/SellPrice pure
- port + conformance tests.
-- **5.3** — Runtime ownership: `RuntimeInventoryState` owns the vendor
- session per the J4.2 pattern (generation-gated, torn down on
- reset/portal/logout); the 0x0062 route opens it; close is CLIENT-LOCAL
- (nothing sent on the wire) via the retail distance-watcher semantics;
- `ItemInteractionController._activeVendorId` /
- `ItemInteractionPolicy.ActiveVendorId` finally receive the real id.
-- **5.4** — the authored vendor panel: layout-id discovery, LayoutDesc
- import via the Slice-3 examination-window pattern (foreground stacking,
- authored extent), browse list reusing Slice-1's retained list/scrollbar
- + DAT icon resolution, category tabs per the D0 read, prices via 5.2.
-- **5.5** — register narrowing (decision 8) rides the 5.4 landing commit.
-
-### Trap list (binding)
-
-Do not touch: the J5.2 strict use gate's semantics (the vendor open rides
-the EXISTING use transaction — no second gate, per the J4.5 invariant);
-`CreateObject.TryParse` behavior (5.0 is extraction only); anything in the
-Slice 6 fence (no buy/sell wire, no currency mutation, no
-InqAcceptability). New event handling follows the newest existing
-GameEvent handler's registration pattern, not a bespoke route.
-
-### Gates
-
-Per landing: build + full suite green (clean-room before each landing
-commit). Slice gate (user, connected, ~3 min): approach a Holtburg
-vendor, use them, the authored panel opens on the browse tab with
-retail-correct items/icons/prices; category tabs filter; walking out of
-range closes the panel by itself; nothing is purchasable anywhere.
-
-## Slice 6 — vendor transactions, buy arc (contract authored 2026-08-08; user-pulled forward)
-
-**Research:** `docs/research/2026-08-08-slice6-vendor-transactions-research.md`.
-User direction: "I cant buy anything... Fix that first." Root cause of all
-four reported symptoms: `VendorUiController` never touches the shared
-`SelectionState`/`StackSplitQuantityState` owners every other panel uses.
-
-### Decisions
-
-1. **Shop items materialize into `ClientObjectTable`** while the session is
- open (retail creates real CWeenieObjects from the vendor list — Slice 5
- research §A.2) and are REMOVED on session close/replace/reset. The
- implementer verifies retail's removal site (gmVendorUI::CloseVendor
- family) and mirrors its lifecycle. This dissolves F7c's blocker:
- `ExamineItemRequested` gets wired in this slice.
-2. **Vendor selection is the GLOBAL selection**: a new vendor change source
- on the canonical `SelectionState`; row-click selects through it; the
- status bar and the existing byte-faithful `StackSplitQuantityState`
- slider follow automatically (the split-size mask helper from 5.4's F2
- feeds the vendor-owned seeding exactly as gmToolbarUI does at
- pc:198635-198790).
-3. **Buy = retail's Buy button**: immediate single-item purchase
- (gmVendorUI::BuySingleItem, pc:201661) of the selected item with the
- slider-chosen quantity for stacks. Outbound `0x005F`: vendorGuid,
- count, per-item (i32 amount, u32 guid), TRAILING u32
- alternateCurrencyId — the real client sends it (CM_Vendor::Event_Buy,
- pc:689288) even though ACE's reader ignores it; we port the real
- client. The request rides the EXISTING J5.2 one-request-at-a-time
- reservation and completes on `UseDone` (0x01C7) — already the wired
- completion signal; no second gate.
-4. **Reconciliation is the existing inbound machinery**: money property
- updates, inventory CreateObject, and the ApproachVendor refresh
- (VendorState.Refreshed) all flow through landed handlers — the slice
- VERIFIES the loop end-to-end rather than adding an owner.
-5. **No double-click-to-buy**: retail has no such mechanism (confirmed
- against the full named table). We match retail. If the user wants it
- as a deliberate modernization it needs their explicit call + an AP row.
-6. **Deferred, still AP-161**: the Add button / Buying-tab staging list
- and everything Sell (0x0060 — researched, next arc).
-
-### Ordered work (one implementer, bisectable commits)
-
-- **6.1** shop-item materialization + removal lifecycle + examine wiring.
-- **6.2** the selection coupling (source, row-click, split seeding) —
- status bar + slider light up.
-- **6.3** the 0x005F builder (golden-byte tests incl. the trailing dword),
- Buy-button wiring, gate/UseDone completion, and the verified
- reconciliation round-trip. Register: AP-161 narrowed in the landing.
-
-### Gate (user, connected)
-
-Select a stacked item → it shows in the status bar with the slider; pick
-a quantity; Buy → coins drop by the displayed price, the stack lands in
-the pack, the shop refreshes; a single-item buy works; insufficient funds
-fails cleanly; the session still closes on walk-away/portal with the
-materialized items removed.
-
-## Slice 6b/6c — vendor completion (contract authored 2026-08-08)
-
-**Research:** `docs/research/2026-08-08-slice6b-vendor-completion-research.md`.
-Closes the user's seven-finding gate batch (dropdown polish landed at
-`33b45ee5`). Ordered chunks, one implementer:
-
-1. **Move-to-use (Q2):** wire the existing client-predicted approach
- primitive (`PlayerInteractionMovementSink.BeginApproach`,
- `MovementType.MoveToObject` — today Pickup-only) onto `RequestUse`, so
- using a vendor (or anything) beyond range walks the player in first,
- retail's shape. No new movement machinery.
-2. **Buy staging (Q3):** `AddToBuyList` semantics per the research
- trace — Add stages the selection + slider quantity into the Buying
- tab's list (rendered count/price), Buy on that tab sends ONE batched
- 0x005F with every staged entry, the two removal shapes + Clear, and
- retail's X-close confirm dialog when staging is non-empty (the current
- unconditional hide stays correct only for empty staging).
-3. **Selling (Q4):** the Selling tab's list is THE drop target — accept
- pack-item drops via the `ExternalContainerController` drag-handler
- pattern, filter through `InqAcceptability` (all four rejection reasons
- with retail's exact strings), staged sell list, batched 0x0060, and
- the existing reconciliation machinery.
-4. **Status bar (Q5) — user evidence is the axiom:** the code-reading
- says our chain already matches retail, but the user's live session
- says the stack count/value/split-bar presentation is absent for a
- vendor selection. Reproduce in a UI-level test FIRST (drive the real
- SelectedObjectController mount with a vendor selection); fix what the
- reproduction reveals; if it genuinely cannot reproduce, STOP and
- report with the test as evidence for a live-probe session.
-5. **Pack order (Q1):** code-verified correct (wire placement position →
- front insert). NO change; the gate re-checks it live and #352 gets
- filed only if it reproduces.
-
-Register: same-commit rows for any deviation; AP-161 narrows again as
-staging/sell land (its remaining scope should shrink to nothing or to
-precisely what stays absent).
-
-**Gate (user):** click a vendor from afar → walk-in + open; stage two
-different items with quantities → Buy All → one transaction, coins/items
-correct; drag a sellable item onto the Selling tab → stages → Sell →
-coins up, item gone; an InqAcceptability-rejected item shows retail's
-refusal; X with a staged list → confirm dialog; stacked selection shows
-count/value/split-bar in the toolbar; bought items land at the front of
-the pack.
-
-## PROGRAM CLOSEOUT — 2026-08-08: all six slices COMPLETE, user-accepted
-
-Slices 5 and 6 closed together after the vendor arc's final gates. The
-complete retail vendor experience is live and user-verified end to end:
-walk-to-use from afar (the never-animated-target physics-host resolver +
-the cylinder-gap range watcher), the authored panel with the scrollable
-category dropdown (arrow-cap, downward, left-aligned), retail cost
-sentences with live purse repaint on every money change, per-unit and
-whole-stack pricing per the split-size mask, the MaxStackSize quantity
-slider with the right-justified count entry and two-line name wrap in
-the toolbar, staged buying (accumulate + 5000 cap + shop-row decrement +
-the four pre-send guards + the batched 0x005F + the X-close confirm),
-selling (Selling-tab drop target with drag-over auto-switch,
-InqAcceptability with verbatim rejection strings, BF_RETAINED, batched
-0x0060), double-click-to-buy (AP-171, user-approved modernization),
-prepend pack ordering (the cross-queue placement replay), and
-materialized shop objects with ownership-checked lifecycle + examine.
-
-Four adversarial Opus reviews found 34 defects before the user saw them;
-the user's connected gates found eleven more that only live sessions
-expose; two latent client-wide crashers (#348 cursor-handle exhaustion,
-#350 render-ledger overflow) were exposed, root-caused, and fixed along
-the way. Landed across `e45c95b0..af1a1ef9`. Deferred with issues/rows:
-#352 (range-watcher cylinder unit test), AP-166's pending-sell
-highlight, AP-167 (SellSingleItem's non-empty-container branch), AP-168's
-shop-stock half, Buying/Selling staging polish beyond the landed scope.
-
-This closes the pre-M4 world-interaction completion program.
diff --git a/docs/plans/2026-07-29-physics-parity-campaign.md b/docs/plans/2026-07-29-physics-parity-campaign.md
deleted file mode 100644
index 62f199c7..00000000
--- a/docs/plans/2026-07-29-physics-parity-campaign.md
+++ /dev/null
@@ -1,420 +0,0 @@
-# Campaign P — Physics Retail-Feel Parity
-
-**Status:** CLOSED 2026-07-31 — final user matrix accepted; tight-gap
-clearance issue #273 and deferred restricted-house gate #274 are explicitly
-carried follow-ups.
-
-**Filed:** 2026-07-29. **Directed by the user** as a pre-vendor-management
-detour after the same-day physics/collision retail-fidelity audit. The
-world-interaction program (Slice 5, vendor browsing) resumes when this
-campaign closes.
-
-**Execution model:** Claude drives autonomously slice-to-slice. Sonnet
-subagents implement bounded chunks against this plan's specs; an Opus
-review subagent gates every slice boundary. The only user stops are
-(a) the final batched connected visual matrix, (b) a DO-NOT-RETRY
-conflict, (c) anything destructive. All the CLAUDE.md workflow rules
-apply: grep-named-first → pseudocode → port → conformance test; register
-moves in the same commit; no workarounds.
-
----
-
-## The parity goal (the autonomy contract)
-
-**"Retail Movement Parity v1"** — the campaign is DONE when all of the
-following are auditable-true:
-
-1. **Zero physics-scope temporary stopgaps.** TS-1, TS-4, TS-5, TS-23,
- TS-46 retired by porting the retail mechanism. TS-24, TS-35, TS-40
- either retired or re-classified (IA/AD) with a recorded justification.
-2. **No feel-affecting approximations left unargued.** AP-7 resolved by
- decoding retail's friction state gate; AP-10 restored to retail's
- 0.1 m water sink-in; AP-25 replaced by the retail effective-skill
- chain (vitae/enchantment-aware); AP-71 (`check_entry_restrictions`)
- ported.
-3. **Issue ledger:** #262, #165, #166, #116, #167, #72, #153 closed;
- the stale "pending visual gate" statuses on #172/#173/#174/#175/#41
- reconciled (folded into the final matrix below). Explicitly excluded:
- #235 (user-deferred 2026-07-27) and #256/#257 (lifecycle/memory, not
- physics feel — separate track).
-4. **Verification:** each port carries decomp citations + conformance
- tests; `dotnet build` + full Release suite green at every slice
- commit; one batched connected visual matrix (below) passes at the
- end, run by the user.
-
-Anything not in this list is out of scope for the campaign — file it,
-don't chase it.
-
----
-
-## Slices
-
-### P1 — Stat-coupled movement (burden / stamina / vitae) — retires TS-5, AP-25, the burden gap
-
-**Status (2026-07-30): COMPLETE.** Landed at `9355ddce`; Opus review
-APPROVE at `001e466d` (which also retired UN-8 — the CanJump polarity is
-byte-PROVEN `load < 2.0` from the PDB-paired binary — and recorded the
-PK-timer jump-cost decode for P3). Full Release suite 9,880/0/5 at the
-slice gate. Retail's vitae/enchant chain reuses the M3 bucket-4
-representation; `JumpStaminaCost` never refuses (weak-jump only) — the
-plan's formula shorthand had the `+0.5` operand wrong and the
-implementation follows the decomp's `(load+0.5)*power*8+2`. AP-127 was
-filed for the then-bounded bonus properties and retired by #268 on
-2026-07-31.
-
-Today `PlayerWeenie.SetBurden` has zero callers, `CanJump` is always
-true, `JumpStaminaCost` is 0, and pushed run/jump skill is
-attributeBonus + init + ranks only. Retail modulates movement by
-character state continuously.
-
-**Retail anchors (named decomp, verified 2026-07-29):**
-- `ACCWeenieObject::{CanJump 0x0058c400, JumpStaminaCost 0x0058c440, InqJumpVelocity 0x0058c520, InqRunRate 0x0058c560, InqMaxRunRate 0x0058c5a0}` — thin delegations to the qualities DB (pseudo-C ~406512).
-- `CACQualities::{InqMaxRunRate 0x00591b20, CanJump 0x00591b50, JumpStaminaCost 0x00591b90, InqRunRate 0x00592800, InqJumpVelocity 0x00592980, InqLoad 0x0058f130}` (pseudo-C ~412901–413975, ~409756) — the real load/skill/vitae composition. `InqJumpVelocity` ends in `sqrt(GetJumpHeight(...) * 19.6)` (pc 413975).
-- `MovementSystem::{GetRunRate 0x006b0950, GetJumpHeight 0x006b09b0, JumpStaminaCost 0x006b0a40}` (pseudo-C ~695958) — GetJumpHeight readable: `LoadMod(load) * (skill/(skill+1300) * 22.2 + 0.05) * power / scaling`, floor 0.35; JumpStaminaCost readable: `ceil(((power + 0.5) * load) * 8 + 2)` on the arg3==0 branch.
-- `EncumbranceSystem::{EncumbranceCapacity 0x004fcc00, Load 0x004fcc40, LoadMod 0x004fcc70}` (pseudo-C ~256393).
-- Cross-refs: ACE `MovementSystem`/`EncumbranceSystem` C# ports; holtburger if it models load.
-
-**Work:**
-1. Port the full chain into Core (`EncumbranceSystem` + `MovementSystem`
- statics; `PlayerWeenie` becomes the CACQualities-shaped composition).
- Where BN x87 mush blocks a branch (GetRunRate body), use Ghidra MCP
- or the ACE port as the tiebreaker and cite which.
-2. Determine, from `CACQualities::InqRunRate`'s own body, exactly which
- skill level retail feeds (base vs enchantment/vitae-adjusted) and
- port THAT — scoped to the run/jump query path only, reading vitae +
- relevant skill enchantments from the M3 active-effect state. Do not
- build a general effective-skill engine.
-3. Plumb the inputs from Runtime: burden (EncumbranceVal/capacity from
- PlayerDescription + property updates), current stamina (vitals),
- vitae. Extend `RuntimeMovementSkillState` (J4.4 seam) so updates flow
- mid-session, same as run/jump skill today.
-4. Wire the existing `jump_is_allowed` stamina-refusal branch and the
- `ReportExhaustion` dual-dispatch gate (R3-W4 seam) to a real
- consumer, matching retail's refusal/weak-jump behavior.
-5. Conformance tests: formula tables (golden values incl. 800-skill cap,
- load-mod knees at 100%/200%, stamina cost ceil), gating tests
- (no-stamina jump refusal), plumbing tests (burden/stamina/vitae
- changes move the produced rate). Register: delete TS-5 + AP-25 rows,
- note the retirement in the same commit.
-
-### P2 — Response-layer edge family — retires TS-1, TS-4, AP-7; closes #166, #116
-
-**Status (2026-07-31, FINAL):** TS-1 and AP-7 retired as originally
-recorded. TS-4's first 2026-07-30 removal was accepted by an incomplete
-resolver-only fixture, failed the live matrix with a roof wedge/uphill-bounce
-regression, and was reverted. The 2026-07-31 closure began from a fresh
-`BSPTREE::find_collisions` read and ports the exact asymmetric Path-6 split:
-primary/foot hits use `SetCollide` + `LandingZ` + `Adjusted`, while
-secondary/head hits use `CollisionNormal` + `Collided`; neither writes a
-sliding normal. Both graph and prepared-flat implementations match that
-oracle.
-
-The corrective acceptance no longer calls the old horizontal-input fixture
-"production-shaped." `Ts4ProductionQuantumConformanceTests` executes the
-already-airborne, zero-root-motion 30 Hz Core collision tail — acceleration,
-body integration, transition resolve, exact body/cell commit, then
-`handle_all_collisions` — and retains its behavior-bearing cell, contact,
-sliding, stationary-fall, and velocity state for 90 ticks. Graph and flat
-match by raw bits for vertical/inward/tangential/downhill cases and a genuine
-positive-Z uphill jump; exact terminal state, non-penetration, no fixed point,
-and no second launch are pinned. No further product-code correction was
-needed after that test became faithful, and there is no active AD-56 row. The
-older resolver-only wedge test remains only as a historical three-second
-signature control. #116 shape-2 remains closed; shape-1 remains narrowed as
-recorded in its issue history. AD-55 remains retired by the raw-byte
-`cos(10°)` proof.
-
-The collision *response* layer (what happens after a hit): ground
-friction, cliff edges, downhill landings, near-perpendicular wall
-slides. One oracle-driven pass; the physics digest's DO-NOT-RETRY table
-binds every subagent here.
-
-**Work (research doc FIRST, then port):**
-1. **AP-7:** decode the state gate on retail's friction block
- (`calc_friction` region, pseudo-C ~276702-276705) that lets retail
- use threshold 0.25 without hammering normal locomotion (the reverted
- L.3c attempt). Ghidra MCP for the x87 branch if BN is garbled.
-2. **TS-1:** port the `EdgeSlide → PrecipiceSlide / CliffSlide` chain
- (precipice context, steep-plane bookkeeping) replacing our
- stop-at-edge.
-3. **#166:** port the landing "sled" (Sledding state set/clear sites;
- the sled friction constants already sit in `calc_friction`).
-4. **TS-4:** remove the Path-6 steep-poly shortcuts and port retail's exact
- sphere split: primary/foot uses `SetCollide` + `LandingZ` + `Adjusted`;
- secondary/head uses `CollisionNormal` + `Collided`. Remove every BSP-layer
- `SetSlidingNormal` write (retail's only in-transition writer is
- `validate_transition`).
-5. **#116:** the near-perpendicular lateral-slide loss + first-airborne-
- frame divergence, driven by the existing tick-22760 replay and D4
- pins.
-6. Apparatus: extend the trajectory-replay tests; capture fixtures
- before changing behavior. Register: delete TS-1/TS-4/AP-7 rows.
-
-### P3 — Remote-object residuals — retires TS-46, TS-23; closes #165; narrows/retires AD-25
-
-1. **TS-46:** pass the Setup's verbatim sphere LIST into the transition
- (`CPhysicsObj::transition 0x00512dc0 → init_sphere`) instead of the
- two-scalar reconstruction, for local player and remotes; derive
- remote step-up/step-down from the Setup instead of the pinned 0.4 m.
- Captured-fixture replays must stay green or be re-baselined with
- evidence.
-2. **AD-25:** align the remote post-resolve with the ported
- `handle_all_collisions` (grounded-bounce rule) as the player half
- already did in #182.
-3. **#165:** remotes visibly penetrate walls before stopping — diagnose
- against the (now Setup-true) sweep; suspect list starts at the
- catch-up step length vs sweep sub-steps.
-4. **TS-23:** parse PlayerKillerStatus from PlayerDescription/property
- updates and plumb PK/PKLite/Impenetrable onto local + remote player
- movers (`OBJECTINFO::init 0x0050cf30` state bits). Non-PK ACE
- behavior must be provably unchanged.
-
-### P4 — World specials — retires AP-71, AP-10
-
-**Status (2026-07-30): COMPLETE**, including a same-day Opus review
-fix. AP-71 landed at `d6c3f865` (20 new conformance tests); AP-10 landed at
-`cc8d57a2` (12 new conformance tests). Complete solution suite at that gate:
-9,946 total across 9 test projects, 9,941 passed, 5 skipped, 0 failed on a
-clean run. One run in the same session saw a single unrelated flake
-(`AcDream.Content.Tests.Vfx.RetailDatLoaderTests
-.AnimationCache_CoalescesSameDidAndAllowsUnrelatedReadsInParallel`, a
-parallel-cache-coalescing timing test untouched by either commit) that
-passed 3/3 in isolation and on the immediate re-run — full-suite parallel
-contention, not a regression (independently fixed afterward at `dc0468cc`).
-
-**P4 review verdict: FIX-FIRST (2026-07-30).** `RestrictionObjPrevalenceInspectionTests`
-(`3b5e0992`) measured the installed cell DAT: 103,766 of 729,888 EnvCells
-across 1,293 landblocks — the entire housing estate, `restrictionObj` GUIDs
-`0x70xxxxxx` — carry a baked `RestrictionObj`. AP-71's fail-closed default
-(landed with `CanMoveInto` deliberately unmodeled, per the original AP-129
-row) would have locked every apartment/cottage/villa interior for every
-player, including its own owner — a live regression, not the "inert in dev
-content" the row assumed. Fixed at `7a0f836a`: `ACCWeenieObject::CanMoveInto`
-(0x0058da40) and `RestrictionDB::IsAllowedIn` (0x005ae8f0) are now ported
-verbatim, fed end-to-end from CreateObject's HouseOwner/HouseRestrictions/
-Monarch PWD-tail fields (previously parsed-and-discarded) plus a new live
-`House_UpdateRestrictions (0x0248)` parser, and resolved through a new
-`PhysicsEngine.Objects` property wired to the canonical `ClientObjectTable`
-in `RuntimeEntityObjectLifetime` (production fix, not just gate logic — an
-unwired table still fails closed). AP-129 is narrowed (not retired) to the
-genuine residual: no sequence-based staleness rejection for
-`House_UpdateRestrictions` (low-probability, self-correcting), and the
-outdoor `CLandCell` restriction path (a separate DAT structure) remains
-unported, unaffected by this fix. Gate: `AcDream.Core.Tests` 4,049 passed / 2
-skipped / 0 failed; `AcDream.Core.Net.Tests` 761 passed / 0 skipped / 0
-failed; complete solution suite 9,961 total, 9,956 passed, 5 skipped, 0
-failed.
-
-1. **AP-71:** port the `CObjCell::check_entry_restrictions` gate at the
- head of `find_env_collisions` (pc:309576) — barred house cells block
- at the threshold client-side. Landed: the gate is wired at the top of
- the indoor branch of `Transition.FindEnvCollisions`; `CellPhysics
- .RestrictionObj` is fed from the DAT-baked `EnvCell.RestrictionObj`
- field (§4.3's open question resolved via ACE's DatLoader + an
- independent `Chorizite.DatReaderWriter` reflection probe — it's a
- plain per-cell DAT field, not a live wire override) in both the dev
- and production caching paths, at zero bake-format cost. The mover's
- `CanBypassMoveRestrictions` (BF_ADMIN & BF_IMMUNE_CELL_RESTRICTIONS)
- is decoded via the TS-23 PWD-bitfield pipeline. The original landing
- deliberately left `CanMoveInto` unmodeled (fail-closed default, filed
- as AP-129) — the P4 review found this fails closed for the ENTIRE
- housing estate and required the fix-first pass described above.
-2. **AP-10:** restore retail's 0.1 m water sink-in; while there, verify
- the water-contact step behavior (`WATER_CONTACT_TS` consumers)
- against retail and file anything found. Landed: the dry-corner
- constant is restored (full suite green — the sticky Contact/OnWalkable
- bit argument held); `WaterContact` is now produced at every
- `Contact`/`OnWalkable` commit site. No confirmed retail consumer of
- `WATER_CONTACT_TS` was found this pass; filed as #264 along with two
- other explicitly-unverified water items (the `ENTIRELY_WATER`
- ethereal/swim terrain-collision exemption, and jump/swim
- movement-effects) — none block this port.
-
-**P4 review addendum (2026-07-30): APPROVED after one FIX-FIRST round.**
-The initial AP-71 landing failed closed with `CanMoveInto` unmodeled; the
-prevalence inspection (`3b5e0992`) proved that locks all 103,766 housing
-EnvCells. `7a0f836a` ports `CanMoveInto`/`IsAllowedIn` verbatim
-(owner/self/null-db admit; unresolved object blocks), captures the
-previously-discarded HouseOwner/Monarch PWD fields, parses
-`House_UpdateRestrictions 0x0248` live, and wires the canonical object
-table into the gate. AP-129 narrowed to the sequence-byte and outdoor
-RestrictionTables residuals. Suite 9,956/0/5.
-
-### P5 — Deferred fidelity — closes #167, #153, #72
-
-**Status (2026-07-30): item 1 (#167) COMPLETE.** Both blockers resolved
-without Ghidra/cdb — the two x87-elided constants were byte-decoded
-straight from the matching binary's raw machine code
-(`docs/research/2026-07-30-constraint-leash-constants.md`). The leash is
-now armed at every current acdream inbound-position acceptance seam
-(`ConstraintDistance`, `LiveEntityNetworkUpdateController`,
-`PlayerMovementController.SetPosition`/`BlipPosition`), the per-tick
-`PhysicsBody.IsFullyConstrained` push replaces the always-false stub, and
-register row TS-35 is deleted. Full Core/Runtime/App suites pass with new
-conformance tests (leash-armed jump refusal, teleport-vs-blip
-anchor/teardown, taper reduction, remote-tick push). Items 2 (#153) and 3
-(#72) remain open.
-
-1. **#167:** decode the two unknown x87 ConstraintManager constants
- (Ghidra) and port leash arming.
-2. **#153:** the far-teleport arrival onto an unstreamed landblock near
- a 192 m edge — apparatus first (the issue's own trigger table), then
- the streaming-gap hold shape ALREADY sketched there (freeze the
- per-tick resolve until the landblock loads — the async equivalent of
- retail's synchronous load; this is an AD row, not a workaround, and
- gets filed as one).
-3. **#72:** close on the R6 evidence (DAT-authored omega ±1.5 rad/s is
- live; the cdb confirmation ask is obsolete).
-
-### P6 — #262 login run-on-the-spot (live defect)
-
-Probe-instrumented fresh-process login repros (`ACDREAM_PROBE_RESOLVE=1`
-+ net probes) against local ACE; the issue's hypothesis list is the
-script. Root cause, fix, regression test. No workarounds (no auto-recall,
-no synthetic position kick). Runs serialized (owns the build tree +
-client).
-
-### P7 — Ledger + camera feel
-
-1. Retire the stale TS-25 row (outbound stance ships via
- `RawState.CurrentStyle` since #219) and refresh TS-24/TS-35/TS-40
- classifications.
-2. #115 camera-drag: investigation-only against `CameraManager`
- constants (AD-37's vector-nlerp vs retail quaternion-slerp is the
- prime suspect); fix if a concrete divergence falls out, otherwise
- re-classify with evidence.
-3. Reconcile #172/#173/#174/#175/#41 statuses via the final matrix.
-
----
-
-## Implementation-phase closeout (2026-07-30) — awaiting the matrix
-
-Every implementation slice is COMPLETE and Opus-reviewed; the campaign now
-waits on the single user gate below.
-
-**Register scorecard:** goal-enumerated physics stopgaps at ZERO — TS-1,
-TS-4 (+ its FlatBspQuery twin), TS-5, TS-23, TS-35, TS-46 retired by
-ports; TS-25 retired on #219 evidence; TS-24→AD-57, TS-40→AD-58
-re-argued. AP-7, AP-10, AP-25, AP-71 retired; UN-8 and AD-55 retired by
-raw-byte proof; AD-25 retired. AP-127 was subsequently retired by #268;
-the remaining new argued rows are AP-128/129,
-AD-53/54/55(retired)/56/57/58.
-
-**Issues:** #72, #153, #167, #255 closed; #116 shape-2 closed /shape-1
-narrowed to a probable harness artifact (response layer byte-verified);
-#165 diagnosed to the render-lag candidate (matrix scenario 8a decides);
-#166 all four composite deviations landed (scenario 5 decides); #262
-apparatus permanently live + 3/3 clean probe logins (scenario 11
-decides). Notable finds along the way: ACE's inverted leash-start
-mapping, ACE's radians/degrees sled-constant bug (cos 10°), the
-housing-lockout prevalence catch (103,766 restricted cells), and the
-HouseOwner/Monarch PWD fields that were parsed-and-discarded.
-
-**Verification:** every slice gated on the complete Release suite; final
-state 9,977 passed / 0 failed / 4 skipped (the D4 un-skip retired one
-permanent skip). Suite grew from 8,826 to 9,977 tests over the campaign
-(+1,151, all conformance/golden/pin coverage).
-
-## Final batched connected visual matrix (the ONE user gate)
-
-1. Burden >100%: run slows, jump shrinks; ~200%: barely moves/jumps.
-2. Repeated jumps drain stamina; low stamina → weak/refused jump;
- exhaustion behavior matches retail.
-3. Fresh vitae: movement penalty present.
-4. Walk off a cliff/roof edge: slides over like retail, no dead stop.
-5. Downhill jump landing: sled glide + bounce.
-6. Shallow-angle wall graze: lateral slide preserved.
-7. Packed crowd: spacing + shuffle-out unchanged (regression).
-8. Two-client: remote stops at walls without visible penetration;
- remote ceiling-jump bounces down immediately (#173); Holtburg portal
- platform step-up (#172); door Use after jumping (#174); closed-door
- collision matches the visual door (#175); observed-player blips
- gone (#41).
-9. Locked/barred house: blocked at the threshold.
-10. Wading: slight retail sink-in.
-11. ~20 fresh logins: no run-on-the-spot.
-12. Regression sweep: walk/run/strafe/turn/jump/stairs/doors/water
- edges feel unchanged from the accepted R6 baseline.
-
-## Risk notes
-
-- P2 and P3 touch the frozen-adjacent transition internals — every
- subagent prompt must carry the digest's DO-NOT-RETRY table and the
- no-workarounds rule; 3 failed attempts on any item = stop and build
- apparatus, per [[feedback_apparatus_for_physics_bugs]].
-- TS-46 changes the collision capsule of every mover; the captured
- replay fixtures pin behavior — re-baseline only with a recorded
- retail argument.
-- P1's enchantment-aware skill read is the scope-creep risk; it is
- bounded to the run/jump query path by this plan.
-
-## Live-gate session 2 (2026-07-30) — speed + bounce family landed
-
-The matrix's first live rows surfaced three defects; all three are
-root-caused, retail-ported, and user-accepted in the same session:
-
-- **#266 CLOSED** — run speed: retail `MovementSystem::GetRunRate`
- (0x006b0950) treats 800 as an EXACT-EQUALITY sentinel; ACE's `>= 800`
- reading is a misread of the same x87 mush that our P1 port inherited,
- flat-lining every maxed character at 4.5 (retail-true ~3.70, +21%,
- vitae-independent). Byte-decoded, fixed at `61e95916`; the [stat-chain]
- live capture proved the vitae→skill chain correct end-to-end. Side-by-
- side pace vs a retail client accepted by the user.
-- **#265/#166 landing-momentum + bounce family** — two stacked fixes:
- (1) `c60f6e5d` stopped hand-zeroing grounded residual velocity and
- wired the never-written `GroundNormal` (roof slides restored);
- (2) `2d611b2b` replaced the AD-25 landing adaptation with the retail
- mechanism: `check_contact` (0x0050f5b0) transition seeding, the
- velocity-free `SetPositionInternal` commit (0x00515330), and the live
- 5%-elasticity landing reflect (DEFAULT_ELASTICITY 0.05 @0x007c6a7c).
- Downhill bounce chain, flat-ground pop, and clean uphill landings all
- user-accepted ("almost pass with merits"). Investigation + byte-decode
- record: `docs/research/2026-07-30-landing-bounce-family.md`.
-- **#267 shipped** (vitae/buff panel values; attributes vitae-immune).
- **#268 closed 2026-07-31**: the complete
- augmentation chain is shared by panel and Runtime movement; AP-127 is
- retired. Attributes, secondary attributes, and skills use retail's
- vitae-excluded green/red comparison. The selected-skill footer now renders
- per-fragment colors through the shared retained text primitive, using the
- authored 0x1B palette exactly: #7FFFFF vitae, #00FF00 buff, #FF0000
- debuff. TS-8 is also retired: a real live 0x02C2 payload carries its full
- StatMod through dispatch and changes the effective skill immediately. The
- user accepted the live colors, values, footer, and immediate row refresh.
-- **#269 closed 2026-07-31** — the live 2,184-quantum trace proved the
- landing reflect and friction math were correct. ACDream omitted retail's
- `OBJECTINFO::kill_velocity` before restoring a remembered contact plane
- in `CTransition::validate_transition @ 0x0050AA70`, retaining full
- downhill velocity while repeatedly re-grounding the mover. The exact
- non-OK-only restore/kill order and final last-known validity overwrite
- are now ported, focused/full gates pass, and the user accepted repeated
- slope jumps. Evidence:
- `docs/research/2026-07-31-269-slope-stop-capture.md`.
-- **#271 closed 2026-07-31** — a bounded stair-side
- trace proved ACDream could bypass retail's current-position edge back-probe
- by promoting a stale `LastWalkable` tread. That made PrecipiceSlide reverse
- an uphill tangent and rapidly carry the player down the stairs. The two
- stale-history substitutions are removed; current-walkable, back-probe, and
- no-walkable outcomes now follow `CTransition::edge_slide @ 0x0050B3D0`.
- The exact captured frame is pinned in the existing installed-stair fixture
- and the complete Release suite passes 10,062 tests / 5 skips. The user
- accepted repeated uphill runs while pressing into the stair sides. Evidence:
- `docs/research/2026-07-31-271-stair-side-slide-capture.md`.
-- **#272 complete and user-accepted 2026-07-31** —
- `CACQualities::InqLoad` consumes enchantment-adjusted Strength through
- `InqAttribute`, but Runtime movement and both retained burden displays read
- raw Strength and did not share the enchantment invalidation edge. They now
- consume `GetEffectiveAttribute(Strength)` and
- `Spellbook.EnchantmentsChanged`, so buff, dispel, expiration, and death
- purge recompute the same burden state immediately. Focused and full
- Runtime/App tests pass.
-
-Matrix rows accepted so far: speed parity, roof slide, downhill bounce,
-flat pop, uphill landing, and #269's slope-stop feel
-(rows 3/4/5-partial/12-partial). The 2026-07-31 final session accepted
-burdened movement, exhausted jumping, wall/corner response, crowded-monster
-movement, two-client remote/door/portal behavior, and shallow water. The user
-waived the general sweep, deferred restricted-house validation as #274, and
-retained the separate tight-gap clearance mismatch as #273. Automated
-scenario 11 remains 20/20 passing. The #269 checkpoint passes 4,107 Core tests / 2 skips and 439
-Runtime tests / 0 skips; the complete Release suite passes 10,061 tests /
-5 skips / 0 failures.
diff --git a/docs/plans/2026-07-30-physics-parity-visual-matrix.md b/docs/plans/2026-07-30-physics-parity-visual-matrix.md
deleted file mode 100644
index 9fbf3b61..00000000
--- a/docs/plans/2026-07-30-physics-parity-visual-matrix.md
+++ /dev/null
@@ -1,95 +0,0 @@
-# Campaign P — final connected visual matrix (runbook)
-
-**The ONE user stop of the physics parity campaign**
-(`docs/plans/2026-07-29-physics-parity-campaign.md`). Run after every slice
-P1–P7 is committed and the full Release suite is green. Each scenario names
-its setup, the retail-correct outcome, and the ledger items it closes.
-Scenarios 1–3 need a burden/stamina-capable character on local ACE (use
-`@god`-style commands sparingly — see `reference_ace_commands` cautions);
-scenario 8 needs the second client.
-
-| # | Scenario | Setup | Retail-correct outcome | Closes / confirms |
-|---|---|---|---|---|
-| 1 | Burdened movement | Load the character past 100% burden (pack full of heavy loot), then ~190% | Run speed visibly drops past 100%; near 200% the character can barely move and jumps only inches | TS-5/AP-25 retirement (P1) |
-| 2 | Exhausted jump | Drain stamina (repeated full-power jumps) to near 0 | Jump cost rises with burden; at insufficient stamina the jump refuses/weakens exactly like retail (no infinite full-height jumps) | TS-5 retirement, ReportExhaustion consumer (P1) |
-| 3 | Vitae run | Die once, recover the corpse with vitae active | Run/jump measurably below the no-vitae baseline; recovers as vitae expires | AP-25 replacement (P1) |
-| 4 | Cliff edge | Walk (not jump) off a steep cliff/roof edge (Holtburg bluffs) | The body slides along/over the edge (PrecipiceSlide), never a dead stop pinned at the lip | TS-1 retirement (P2) |
-| 5 | Downhill sled | Run-jump down a long slope and land | Landing glides ("sleds") with a small bounce, then friction settles it; no instant stick | #166 close, AP-7 gate (P2) |
-| 6 | Wall graze | Run into a wall at a very shallow angle; also press into a corner and wiggle | Tiny lateral slide is preserved (no dead-stop absorb); corner shuffle-out works | #116 close (P2) |
-| 7 | Crowd regression | Stand in a packed monster camp; wiggle, jump out | Spacing and shuffle-out unchanged from the accepted #182/#184 baseline | P2/P3 regression guard |
-| 8 | Two-client remote checks | Second client (retail or acdream) observed from the first | (a) remote stops at walls without sinking in (#165); (b) remote jumping into a dungeon ceiling bounces down immediately (#173); (c) Holtburg town-network portal platform steps up (#172); (d) door Use works after jumping (#174); (e) closed-door collision matches the visual door (#175); (f) no sub-decimeter blips on observed players (#41) | #165 close + the stale #172–#175/#41 gate reconciliation |
-| 9 | Barred house | Approach a house/cell the character is not a guest of | Blocked at the threshold client-side (no enter-then-server-boot) | AP-71 port (P4) |
-| 10 | Wading | Walk into shallow water at a shoreline | Feet sink ~0.1 m into the water surface like retail; movement feel unchanged | AP-10 restore (P4) |
-| 11 | Fresh logins ×20 | 20 fresh-process logins (mix of outdoor/indoor saves) | Zero run-on-the-spot; movement immediate every time | #262 close (P6) |
-| 12 | General sweep | 10 min free play: walk/run/strafe/turn/jump/stairs/doors/portals incl. one far-town hop | Indistinguishable from the accepted R6 baseline; no new regressions | campaign regression gate; #153 connected confirmation |
-
-Rubber-band check (rides scenario 12): induce a server correction (e.g.
-brief packet-loss on Coldeve or a forced position reset) — the leash taper
-engages and jumping inside a tight leash is refused (0x47), per the #167
-port (P5).
-
-**Recording the result:** per scenario PASS/FAIL + a one-line note. Any FAIL
-reopens its slice; the campaign closes only on a clean sheet. On full pass:
-close #165/#166/#116/#262 (if not already), mark #172–#175/#41 reconciled
-with this matrix as the cited gate, update the campaign plan + roadmap +
-CLAUDE.md current-state, and flip the goal.
-
-## Automated pillars — BANKED 2026-07-30 (pre-user-session)
-
-Run on the final tree (post all Campaign P slices), local ACE:
-
-- **Lifecycle/reconnect gate: PASS** —
- `logs/connected-world-gate-20260730-130611/report.json` (seven
- checkpoints, graceful exits). Covers scenario 12's login/portal/
- teardown backbone.
-- **Canonical nine-stop soak: PASS** —
- `logs/connected-r6-soak-20260730-131141.report.json` (production-
- dispatcher movement input across nine stops). Covers scenario 12's
- movement-regression backbone.
-- **Scenario 11 (20 fresh logins): PASS, automated basis** — 20/20
- fresh-process logins (`artifacts/262-probe/login-{1..20}.log`): every
- attempt committed the `[snap]` OUTDOOR server-Z branch, held a live
- resolve stream (~5.3-6.0k lines/40 s), recentered correctly
- (incidentally onto far-town 0xC95B — the #153 arrival class — all 20
- times), and closed gracefully. No run-on-the-spot signature. The
- user's eyes-on confirmation of "movement immediate" on a couple of
- manual logins completes the scenario.
-
-Remaining for the user session: scenarios 1-10 (feel/visual) + the
-manual halves of 11-12.
-
-## User matrix session 1 results (2026-07-30, partial)
-
-- Scenario 4/5 (cliff/sled): **FAIL** on the TS-4-removed build — uphill
- jump-in bounces (non-retail), roof slides lost, occasional edge wedge.
- → TS-4 removal REVERTED (`2e27d066`+`a8a7d64b`), row re-opened with
- live evidence; downhill sled remains #166. Re-test pending.
-- Speed parity: **FAIL/SUSPECT** — local char faster than retail
- comparison → #266 (controlled capture needed).
-- Vitae panel display: **FAIL** (UI, not physics) → #267.
-- Squeeze-through at the townhall building: **FAIL** → recorded under
- scenario 12; needs a dedicated capture (suspect list: TS-46 sphere-list
- threading at a specific site, or the #116 head-sphere change — both
- P3/final-slice deltas).
-- Other scenarios: not yet reported.
-
-## User matrix session 2 results (2026-07-31)
-
-- Scenario 1 (burdened movement): **PASS**.
-- Scenario 2 (exhausted jumping): **PASS**.
-- Scenario 6 (wall graze/corner movement): **PASS**.
-- Scenario 7 (crowded-monster movement): **PASS**.
-- Scenario 8 (two-client remote movement, doors, portals, and its collision
- checks): **PASS**.
-- Scenario 10 (shallow-water sink-in): **PASS**.
-- Scenario 9 (restricted/barred house): **DEFERRED BY USER** and retained as
- issue #274.
-- Scenario 12 (general movement sweep): **WAIVED BY USER**; the accepted
- focused rows and existing automated soak are sufficient for this campaign.
-- A separate live mismatch remains: acdream can squeeze through some tight
- gaps that block retail. This is outside the accepted wall-graze response
- check and is retained as issue #273 pending an exact-location capture.
-
-Together with the previously accepted scenarios 3–5 and the automated
-20-login scenario 11, the Campaign P matrix is closed with #273 and #274 as
-explicit carried follow-ups.
diff --git a/docs/plans/2026-08-02-placement-cutover.md b/docs/plans/2026-08-02-placement-cutover.md
deleted file mode 100644
index dd2c1104..00000000
--- a/docs/plans/2026-08-02-placement-cutover.md
+++ /dev/null
@@ -1,668 +0,0 @@
-# Placement production cutover — campaign plan (2026-08-02)
-
-> ## ✅ CAMPAIGN LEDGER CLOSED — 2026-08-06, by user direction
->
-> Every slice is landed and dual-reviewed: **C0–C4**, **C5a**, **C5b**
-> (#275; retired AP-131 + AD-60's legacy half), **#280** (portal destination
-> prefetch, user-accepted at its connected gate), **#276's remainder**,
-> **AP-22** and **AD-10** (both retired). **#309** was accepted as a standing
-> divergence rather than fixed. Final gate: complete Release suite from a
-> clean build, **11,196 passed / 4 skipped / 0 failed** — campaign net +90
-> from 11,106.
->
-> **The ledger closes with connected gates outstanding, by user direction —
-> not because they were discharged.** Only #280's reveal gate was run and
-> passed. D-1's two reachability scenarios, AP-136's six-step park protocol,
-> route-7 thickening, the two-client observation, the nine-stop soak and the
-> lifecycle/reconnect route were **NOT RUN**; the probe family is
-> **deliberately NOT stripped** for that reason. Anyone citing "the campaign
-> passed" must cite §2.6 of the closeout alongside it:
-> [`2026-08-06-c5c-closeout-handoff.md`](../research/2026-08-06-c5c-closeout-handoff.md).
->
-> Follow-ups generated and filed rather than folded in: **#325**, **#330**,
-> **#331**, **#332**, **AP-149**, **AP-152**, **AD-65**, **AD-66**. Start with
-> **#331**.
-
-The final leg of the remaining physics-divergence campaign before AP-22 and
-AD-10: route graphical AND headless production placement through the
-residence + continuation-executor owner (`38fd4b8d` / `30012361` /
-`5db3de3c`), delete the legacy duplicate authorities, and retire AP-1/AD-1
-behind connected + user-visual gates.
-
-## Handoff checkpoint — 2026-08-03
-
-**Status: stabilization checkpoint accepted; campaign closeout is not yet
-complete.** The C3c production cutover and the O(changed) collision
-publication checkpoint are now playable after five separately committed
-root-cause fixes:
-
-- `01f4791e` stops origin recenter from manufacturing and replaying a second
- retirement receipt for a pending-only live-projection bucket. Its exact
- binary passed the complete Release suite, lifecycle route, and canonical
- nine-stop soak (`connected-r6-soak-20260802-204309`, nine stops, zero
- failures/wait cues/pending retirements).
-- `670f307c` keeps remote Create placement, the local-player physics host,
- targeting, chasing, and attacks in the same world-coordinate frame. The
- user accepted monster placement/chase/hit behavior and static placement
- after portals.
-- `1fc529cd` materializes the canonical minimal static physics host before a
- distant Use/MoveTo route and reconciles the pre-PartArray startup motion
- suffix. The user accepted near and distant object use.
-- `f24532ad` defers one-shot F754/F755 effects until canonical placement has
- bound presentation, retries projectile/static-animation sidecars on the
- committed visibility edge, and keeps effect cells synchronized. The user
- accepted buffs, recalls, arrows, combat spell projectiles, portals, and
- static animation.
-- `175ad6b0` sends LoginComplete from the local first-placement terminal edge
- instead of raw PlayerCreate receipt, so ACE's intentional login Hidden/
- materialization state cannot race placement. The user accepted the login
- haze behavior.
-
-Focused verification after the final fix passed 90 App effect/projectile/
-static-scheduler tests, two Runtime login tests, the exact live-entity cell
-tracking regression, all 79 Headless tests, and the Release solution build
-with zero errors. The long connected soak and complete solution suite have
-**not** been rerun on the final `175ad6b0` binary. A broader selected fixture
-run also exposed five `LiveEntityRuntimeTests` failures tied to the still-open
-placement cutover plus one old remote first-entry fixture that supplies an
-empty collision source; classify and fix those before claiming C5 closure.
-**Resolved 2026-08-03 as #281 (DONE):** the "six selected fixture failures"
-figure was itself a mis-measurement — the measured baseline found **43**
-(28 App broken by `670f307c`, 2 more by `f24532ad`, 13 Runtime) — repaired
-without weakening assertions (`6dcb94ac`, `98e9f9e8` and the recent-regression
-cleanup closed at `2ef02f8c`); every later checkpoint's complete suite ran
-0-failed.
-
-Remaining campaign work, in order:
-
-1. Reproduce and repair the six fixture failures without weakening their
- assertions or adding compatibility bypasses. **DONE 2026-08-03 (#281 —
- the real count was 43; see the correction above).**
-2. Finish C4's routes 2–7 and remove their legacy placement writers; fold in
- #276 and #277 where their route becomes authoritative. **DONE 2026-08-05
- except the four owed connected gates (see the C4 slice below). #276 was
- folded only PARTIALLY — route 5 closed its projectile half; the
- `SpawnPlacementSettler` settle-cell discard remains OPEN. #277 was NOT
- folded: no streaming/broadcast radius changed, so its service-window
- conversion remains a trigger-conditioned carry, not a completed item.**
-3. Resolve #280 with retail's configured destination-prefetch window so the
- portal viewport never reveals visibly constructing far terrain.
- **DONE 2026-08-05 (implementation + suite); the connected/visual gate is
- batched into C5's matrix. Shape correction: retail has NO separate prefetch
- window** — it has one landscape square (`LScape::mid_radius`) that is
- simultaneously the loaded, drawn and blocked-on set, and whose configured
- value is `Render.LandscapeDrawDistance`. acdream now derives its reveal
- window from the live streaming radii (`QualitySettings.FarRadius`) and made
- the render-completeness predicate tier-aware so the outer rings can satisfy
- it. Contract: [`2026-08-05-280-contract.md`](../research/2026-08-05-280-contract.md).
- Residual filed as AP-149; the missing user-facing Viewing Distance option is
- filed separately as #326 and is explicitly NOT part of #280.
-4. Run C5's complete Release suite, lifecycle/reconnect route, latest-binary
- nine-stop soak, two-client observation, and the remaining #269 slope-glide
- visual check. A pass from `01f4791e` is evidence for that fix, not a
- substitute for the final-binary soak. **Correction 2026-08-05: #269 was
- already closed and user-accepted 2026-07-31 (before this plan was
- written); the surviving visual item is #278(b)'s lateral-glide
- comparison, not #269.**
-5. Delete the superseded paths, retire AP-1/AD-1/AP-131 and AD-60's legacy
- half only when the code proves they are gone, then complete AP-22 and
- AD-10 and close the campaign ledger.
- **DONE except the ledger close, 2026-08-05/06.** AP-1/AD-1 retired at C5a
- (`6921a027`); AP-131 and AD-60's legacy half at C5b (`735f0a72`); **AP-22**
- retired at `bc4679cd` (all three invented-cylinder copies deleted — the row
- listed one; reachability proved zero over all 5,935 installed Setups by four
- independent decoders); **AD-10** retired by deletion at `886333a2` (its
- stated justification was false at HEAD — remotes DO run the sweep, so the
- projection was an extra non-retail layer, measured bit-identical when
- removed). Both dual-reviewed, both lenses PASS. Remaining: C5c's gates and
- the ledger close. Two new divergences were filed out of AD-10's work
- (AD-65, AD-66) and two issues (#331 uphill-resolve blockage, #332 headless
- remote dead-reckoning).
-
-**Inputs (read in order):**
-1. [`2026-08-02-runtime-continuation-executor-handoff.md`](../research/2026-08-02-runtime-continuation-executor-handoff.md)
- — the completed dormant mechanism and its cutover notes.
-2. [`2026-08-02-cutover-route-inventory.md`](../research/2026-08-02-cutover-route-inventory.md)
- — the full 8-route, both-host call-chain inventory with exact file:line
- for every duplicate authority to remove. THE map for all slices below.
-3. [`2026-07-31-remaining-physics-campaign-handoff.md`](../research/2026-07-31-remaining-physics-campaign-handoff.md)
- — the original per-route requirements and prerequisite definitions.
-
-**Standing discipline per slice:** pinned contract → single implementer →
-independent retail-conformance + architecture/adversarial reviews (both must
-PASS on the final diff) → focused + complete Runtime + Release build +
-complete solution gates → bisectable behavior commit (register rows in the
-same commit) → docs/handoff commit. No workarounds; no fused slices.
-
-## Confirmed pre-cutover gaps (from the inventory)
-
-- The executor publishes only generic entity deltas; nothing bridges its
- completion to `RuntimePlacementProjectionChannel`, so no host can learn
- "my initial placement committed" through the built observer seam.
-- No atomic controller/body publication owner exists (prerequisite C);
- App and headless hand-write divergent `PlayerMovementController`
- construction, and `SubmitPreparedPlacement` requires a canonical
- `PhysicsBody` that nothing currently publishes atomically.
-- The dormant placement path's 1,880 B/operation (2,048 cap) allocation
- remains the activation blocker for frame-frequency routes.
-- `Execute`'s live inputs (`UsePositionFromServer`, `PlayerDistance`) are
- computed by no host; they must derive from Runtime's own character-option
- and local-player owners.
-- `RuntimePortalPlacementAuthority` has zero producing call sites; the
- adapter from `RuntimeWorldTransitState` does not exist.
- **Corrected 2026-08-04 (C4 route 3 closure,
- `docs/research/2026-08-04-c4-route-3-contract.md`), itself corrected
- 2026-08-05 (A10 architecture review — the first correction asserted a
- false fact of its own), and rewritten 2026-08-05 (N5 retail-review
- round-3 fix — the prior wording of this correction contradicted
- itself).** The original bullet conflated two separate claims into one
- sentence, and only one of them was true. What pre-dated route 3 and WAS
- accurate: the `RuntimePortalPlacementAuthority` type existed (referenced
- by route 2's `Pending.Portal` field, always `Present: false`), its
- `IsValid` check existed, and the sinks' portal-authority gates plus
- `BeginAcceptedPlacementCore`'s gate already read it. What was NOT
- accurate, and is what "zero producing call sites; the adapter does not
- exist" actually described: the PRODUCER half — nothing built a
- `Present: true` authority and called the consumer arm
- (`RuntimeAcceptedPositionDriveController.TryExecuteAcceptedPortalArrival`/
- `SubmitAndResolvePortal`/`ClassifyPortalArrival`) — that consumer arm
- ALSO did not exist before route 3. Route 3 added the producer and the
- consumer together, in the same slice: the producer is
- `LocalPlayerTeleportController.TryExecuteCanonicalPortalPlacement` (now
- `TryAdvancePortalCommit`/`TryExecuteCanonicalPortalPlacementCore`, per the
- 2026-08-05 A1 review fix), which builds the authority from
- `WorldRevealCoordinator`/`RuntimeWorldTransitState` facts and calls
- `TryExecuteAcceptedPortalArrival`; the identical Runtime entry point is
- shared by the headless host. So: the type/`IsValid`/consumer-gate facts
- pre-dated route 3 and were true before it; the arm (both the producer
- that builds a live authority and the consumer that reads one) did not
- exist before route 3 and is what the original bullet's "zero producing
- call sites" language was pointing at.
-- The exact-Setup mover chain (`PrepareMover` /
- `RuntimeSetPositionMoverPreparer.TryBuild` /
- `IPreparedCollisionSource.ReadSetupCollision`) exists piecewise, unwired.
-- **Corrected 2026-08-04 (C4 route 6 closure,
- `docs/research/2026-08-04-c4-route-6-contract.md`): all three clauses
- above were stale.** Route-6 split-recovery does NOT need an effect-replay
- suppression signal — that premise was unsubstantiated; acdream's only
- create-time effect replay is the F754/F755 queue drain keyed by server
- GUID, and the one plausible mechanism (a cloned `DefaultScriptType`
- surviving `BuildSpawn`) never fires at create in either client
- (`CPhysicsObj::play_default_script @0x005132B0`/`@0x00513300` has exactly
- two callers, both animation hooks, verified against
- `acclient_2013_pseudo_c.txt`). Route-7's `TryCommitParent`/
- `CommitWithdrawal` cancellation-symmetry fixes and host-visible
- cancellation receipts were BOTH closed at C0 (see the C0 slice below).
- What actually remained for route 7: the child's canonical cell had two
- writers (Runtime committed it cell-less unconditionally in
- `CommitAcceptedParentCellless`, while `EquippedChildRenderController
- .TickChild` re-celled it from a per-frame render tick), and headless had no
- `EquippedChildRenderController` at all, so every headless parented child
- stayed cell-less forever — the same defect seen from two sides, not two
- separate gaps. **Closed 2026-08-04
- (`docs/research/2026-08-04-c4-route-7-contract.md`).** Runtime is now the
- sole canonical writer: `CommitAcceptedParentCellless` completes retail
- `set_parent`'s attach-time re-cell (D1), and every canonical cell write
- funnels through one directory chokepoint that recursively propagates to
- committed children on every parent cell crossing (D2 —
- `docs/research/2026-08-04-retail-parent-cell-propagation.md`), not only at
- attach. `TickChild` is demoted to a presentation-only draw-bucket move
- (D4); the headless host gained its own parent-realize drive running the
- same commit pair the graphical host does (D5,
- `RuntimeLiveEntitySessionController.OnParentUpdated`). The direct headless
- regression test (a bot with an equipped item shows the child's canonical
- `FullCellId` equal to the parent's) now passes.
-
-## Slices
-
-- **C0 — Runtime bridge + live inputs — COMPLETE at `67f63e85`
- (2026-08-02, dual reviews PASS).** The executor publishes an
- acknowledge-only `ExecutorCompleted` receipt through the one placement
- stream (registered before dispatch; correlation reaped on
- acknowledgement/discard/clear; `PendingCompletionReceiptCount` in
- `IsConverged`); all three production sinks acknowledge-and-ignore the
- kind via early returns proven behavior-preserving for every other kind
- (sanctioned seam completion — provably inert, no production publisher);
- `UsePositionFromServer` derives retail-exactly from
- `RuntimeCharacterState.AutonomyLevel != 2` and `PlayerDistance` from the
- live movement controller with null-safe fallback to the caller struct;
- `TryPrepareAndSubmitAuthoredPlacement` chains the prepared-collision
- Setup read through `PrepareMover` to submission with zero validation
- changes; `TryCommitParent`/`CommitWithdrawal` gained the sibling
- cancellation flow (the `LeaveWorld` omission in `TryCommitParent` is
- retail-REQUIRED per `set_parent` 0x00515A90:283832-283833's single gated
- `leave_world`). Not fully dormant by design: the two cancellation fixes
- change live Runtime paths production already calls; everything else has
- no production caller.
- **C3 prerequisites recorded from C0's reviews:** (a) the completion
- receipt/trace surface is internal-only — C3 must define the public host
- consumption shape when it wires the hosts; (b) `PlayerDistance` is
- resolved once per `Execute` entry, not per continuation — a multi-Position
- FIFO classifies later entries against entry-time distance (documented
- deferral; refine at C3/C4 if the connected gates show it matters);
- (c) any future host exposure of `TrySetAutonomyLevel` must carry retail's
- `SendAutonomyLevelEvent` (699550).
-- **C1 — atomic controller/body publication — SATISFIED BY EXISTING
- MECHANISM (research finding 2026-08-02, plan amended same session).**
- `RuntimeLocalPlayerPhysicsPublicationState` (1,033 lines) plus the
- ~15-method dormant local-activation family on `RuntimeSetPositionState`
- already implement the full sanctioned option-2 transaction:
- off-canonical preparation against a scratch quantum clock and a sealed
- candidate controller, one validated atomic Commit, and a staged
- Evaluate/Commit/FinalizeActivation chain re-validated against
- PhysicsOwnershipEpoch/ObjectClockEpoch/ControllerOwnershipEpoch/session
- identity at every entry — with zero production callers. See
- [`2026-08-02-canonical-body-writer-map.md`](../research/2026-08-02-canonical-body-writer-map.md)
- (6 canonical body writers; the two host escape hatches; both hosts'
- divergences). The remaining work — routing both hosts' local-player
- construction through the publication lifecycle, sealing the public
- `RuntimeLocalPlayerMovementState.Controller` setter, retiring App's
- direct object-clock bypasses, and containing headless's uncaught
- prepared-collision `InvalidDataException` — IS the C3 route-1 flip and
- moves there. No separate C1 commit.
-- **C2 — placement allocation budget — COMPLETE at `63c601ff`
- (2026-08-02, dual reviews PASS after two fix rounds).** 2,032 → 944
- B/op via pooled operation envelopes (bounded, reset-at-rent, double-
- retire guarded, reset/dispose-cleared, ledger-visible), a cached
- collision-callback delegate over an explicit context stack, and a
- non-boxing pending-head read; gate tightened to 1,536. The pooling
- forced a class-wide staleness rework: captured-token-vs-fresh-lookup at
- every reentrancy-spanning frame (26-site audit), hoisted stack locals
- for retail's handle_all_collisions bits, token-gated bookkeeping
- writes, and a deliberately identity-agnostic settle path (retail's
- SetPositionInternal completes unconditionally even for displaced
- operations).
- **Residual floor (documented at the gate, decision deferred to the C3
- activation gate where the user is in the loop):** ~520 B/op inside
- Core's `PhysicsEngine.SetPosition` (transition init / query-footprint
- materialization — a potential C2b if C3's connected profile shows it
- matters) and ~208 B/op of sorted-tree node per pending receipt.
- **Maintenance notes from review (no action):** the no-reentrancy
- proofs on the 15 surviving reference-based currency checks are
- comment-enforced; `IsCurrent(Operation)` remains available and a new
- reentrancy-spanning call site would silently inherit the tautology —
- its doc comment warns.
-- **C3 — spawn-frequency cutover: routes 1 + 8 — DECOMPOSED 2026-08-02
- after the first implementation pass stopped with findings.** C3-1 (the
- public executor-completion surface via
- `RuntimePlacementProjectionChannel.TryGetInitialCreateCompletion`)
- landed separately. Two structural gaps halted the flip, both real and
- neither in the planning docs:
- **(B)** the local player's residence lease opens its SetPosition
- operation at Create time, but `SubmitPreparedPlacementCore` requires a
- pre-existing canonical body that only the zero-caller publication chain
- can attach — first-entry needs an explicit resumable sequence
- (begin-placement → publication Prepare/Commit attaches the body →
- authored-mover submit → Place receipt → Execute), which matches the
- campaign handoff's route-1 required order but exists nowhere as a
- driveable state machine;
- **(C)** ordinary remote-creature Creates classify to `SetPosition` but
- have NO production body-construction path at Create time (bodies arrive
- with first motion today; retail constructs physics at CreateObject via
- `ACCObjectMaint::CreateObject`/`set_description`, which our retail
- notes fully document — the defaults come from the wire PhysicsDesc,
- not invention).
- Sub-slices, each with the standing contract/dual-review/gate
- discipline:
- - **C3a — Runtime first-entry sequencing — COMPLETE at `960373df`
- (2026-08-02, dual reviews PASS).** `RuntimeLocalPlayerFirstEntryState`:
- five stages (mover-prep → publication Prepare/Commit → activation →
- acknowledgement → Execute) in retail's own order — mover shapes
- BEFORE placement, matching makeObject/set_description preceding
- enter_world; the original contract prose had it backwards and the
- tested preconditions forced the faithful order. Acknowledge-stage
- authority discrimination, automatic convergence through the (now
- multicast, snapshot-iterated) retirement fan-out, ownership-ledger
- fold, transactional late-bind Publication seam. Dormant: C3c's first
- act is the GameRuntime binding + production Advance drive.
- **Carried findings for C3c:** the controller is live from the
- activation commit onward (abandonment leaves it to ordinary entity
- teardown — retail has no entry-flow rollback); EvaluateActivation's
- post-commit DeferredCell overload is encapsulated behind Advance.
- - **C3b — remote body construction at Create — COMPLETE at `0934a121`
- (2026-08-02, dual reviews PASS).** `RuntimeRemoteBodyDescription` +
- `RuntimeRemoteFirstEntryState`: the full `set_description` order with
- the byte-certain gates (friction [0,1] inclusive, NaN sanctioned-skip;
- elasticity clamp with retail's unordered-to-zero; translucency
- != 0.0f), the movement-branch discriminator on retail's
- `movement_buffer != 0` (empty-buffer → placement branch, no autonomy),
- motion-table zero-id pass, ctor-defaults for absent wire fields, and
- never-clobber coexistence with the build-at-first-motion production
- path. The acknowledge discriminator is one shared body
- (`RuntimeFirstEntryAcknowledgement`) for both conductors. Dormant.
- - **C3c — the host flips (production) — COMPLETE at `529e0e9d`
- (2026-08-02, dual Opus reviews: initial FAIL 2+2 MAJOR → R1 fix
- round → delta PASS both).** Both hosts register initial Creates
- through residence + conductors via the shared
- `RuntimeFirstEntryDriveController`; Controller setter sealed;
- rebucketing presentation-only strictly while the residence is
- ACTIVE (post-residence entities take the full legacy path including
- the `prepare_to_enter_world` clock edges); content-less headless
- keeps pre-flip direct registration. Five fix slices landed inside
- the cutover, each connected-gated: F1 (Runtime ownership seam for
- movement stats/server physics — the post-logout retired-controller
- crash), F2 (the login activation wedge: admission-prefix gate
- factored from the seal, rearm generation identity, auto-entry
- requires the published controller), F3 (landblock-prefix 0-sentinel
- → explicit absent-id; corner landblocks legal), F4 (diagnosis only:
- the nine-stop soak's convergence failure is pre-existing `6b28ff99`
- whole-world collision-clone throughput — its fix is the next slice
- before C5), F5 (local-player first-entry ground contact via the
- shared `SpawnPlacementSettler` at `FinalizeActivation`; the
- standing-cast airborne rejections are gone; register AD-61). R1
- additionally armed the login constraint leash at the committed
- placement (`HandleReceivedPosition` 0x00453FD0 analog) and
- refreshed AD-42. Final gates: complete solution 10,816/0/4 skips;
- lifecycle/reconnect gate PASS (`connected-world-gate-20260802-
- 175401`). Closeout:
- [`2026-08-02-c3c-cutover-closeout.md`](../research/2026-08-02-c3c-cutover-closeout.md).
- **Carried to C4/C5:** route-1 far-Create service-window conversion
- if either streaming/broadcast radius changes (#277); the
- window-departure park narrowing; `NotifyRetirement`-on-active-entry
- subscriber invariant; the reachable equip-mid-conductor fail-fast;
- settle-CellId discard (#276-adjacent, see ISSUES).
-- **C4 — remaining routes: 2 (ForcePosition), 3 (portal, with the
- `RuntimeWorldTransitState` → `RuntimePortalPlacementAuthority` adapter),
- 4 (remote Create/Position; delete `RemoteTeleportController`/`Placement`
- and the inline MoveOrTeleport duplicate), 5 (projectile authoritative),
- 6 (drops + split-recovery marking), 7 (residual pickup/parent/delete
- polish). — route 2 COMPLETE AND USER-ACCEPTED 2026-08-03 (`9966b531`);
- routes 3/4/5/6/7 remain OPEN.**
-
- **C4 IMPLEMENTATION COMPLETE 2026-08-05.** Every route now places through
- the canonical Runtime owner; the campaign's remaining C4 debt is exactly
- the four owed connected gates listed at the end of this bullet. Per-route
- record (each with contract + independent dual reviews per the standing
- discipline; suite counts measured, never inherited — final complete
- Release suite **11,090 passed / 4 skipped / 0 failed** at `e0f96a55`):
- - **4a LANDED `44830a0e`; 4b-1 LANDED `2e8e09ac` (dormant
- infrastructure); 4b-2 LANDED `7f1c1f5a`** (recorded in the sub-bullets
- below with its four fix rounds and user-passed far-snap gate).
- - **4b-3 LANDED `6dc7ba51` (2026-08-04)** — remote teleport + cell-less
- through the canonical placement; `RemoteTeleportController` (605 lines),
- `RemoteTeleportPlacement` (85), and ~1,709 test lines deleted. Dual
- round 1 FAIL/FAIL → round 2 delta PASS/PASS; three NPC-arm MAJORs
- closed. **Connected gate PASSED-partial (`21cd6e9b`)**: 16
- `[remote-teleport]` probe lines over 7 creatures, all
- `cause=teleport-ts` — `cause=cellless` was never observed and remains
- test-covered only (owed gate 4 below). Docs at `8c269ad1`; findings
- chain in `2026-08-04-c4-route-4b-3-*.md`.
- - **Route 5 LANDED `36255af0` (2026-08-04)** — projectile authoritative
- placement (#276 partial), preceded by a mandatory byte-decode gate
- (`MoveOrTeleport` @0x00516330 never reads its velocity argument, which
- also spawned #317). Three dual review rounds closing 8 MAJORs; round 3
- retail PASS with the AP-141 risk-column retraction (C1), architecture
- FAIL on a coverage-only C1 closed in-commit with two sabotage-verified
- retry-arm tests. **NO connected gate exists for this route, by
- design** — ACE never sends a missile UpdatePosition
- (`WorldObject_Tick.cs:333-334`); every proof is deterministic-test-gated
- and recorded as such. Interim landings alongside: the OnPosition
- dual-tail collapse (`edc911b0`, whose scoping found and filed #316),
- #315 closed (`aaf0811f`), #314 closed (`daef7c98`).
- - **Route 6 CLOSED `1b484937` (2026-08-04) with ZERO production lines** —
- C3c had already flipped both drop flavours onto the canonical create
- transaction; the landing is 7 sabotage-verified coverage tests, the
- retail split-marking record (#313 filed for the `DeclareValid`
- selection transfer), and the correction of this plan's own false
- effect-replay premise (see the corrected gap list above). Its coverage
- tests immediately found #314 (split recovery threw on retained
- timestamps), fixed in its own commit `daef7c98`. **Connected gate owed**
- (drops recipe — owed gate 1 below).
- - **Route 7 LANDED `cd3129e9` (2026-08-04)** — child cell propagation
- moved from a render tick into Runtime: retail `set_parent`'s attach-time
- re-cell completed in `CommitAcceptedParentCellless`, the recursive
- parent-cell-crossing propagation at the one directory funnel (iterative
- worklist — the initial depth-64 cap was deleted after both round-2
- reviews independently found its truncation residue was the #184 shape),
- `TickChild` demoted to presentation-only, the headless parent-realize
- drive added (its direct regression test failed before this work), and
- the dead `ClassifyLeaveWorld` family deleted. Dual round 1 FAIL/FAIL →
- round 2 delta PASS/PASS plus a coordinator-required third pass; 5
- MAJORs. AP-142/AP-143 filed. **Connected gate owed** (equip/carry with
- `cause=propagate` probe evidence — owed gate 2 below). Route 7 also
- INVALIDATED 4b-3's recorded cell-less live recipe (contract §11; the
- supersession note is appended to the 4b-3 contract).
- - **Route 3 LANDED `e0f96a55` (2026-08-05)** — the LAST route: the first
- production `RuntimePortalPlacementAuthority` producer, the portal arm on
- route 2's drive controller, `CommitCanonicalTeleportFrame` with the
- `PlayerTeleported` port (autorun cancel + one movement event), and both
- duplicate authorities deleted (`LocalPlayerTeleportPlacement.Place`,
- `ResynchronizeLocalPlayerForPortalArrival` — AD-42's row deleted with
- them). Contract at `19ebf043`; scoping/propagation research at
- `ca96ea5e`. Dual round 1 FAIL/FAIL → dual round 2 FAIL/FAIL (near miss)
- → round-3 fix pass accepted per both round-2 reviews' explicit pass
- conditions; the round-3 record is the commit message plus #318 and
- AP-144/AP-145 (no standalone round-3 review doc). The fix pass's
- refusal to accept 7 skipped tests uncovered a real production bug (the
- canonical portal arm was 100% dead code — the accepted-destination slot
- it re-read at Place time was already consumed at Aim time). **Connected
- gate owed** (portal/recall with `[local-tp]` probe evidence — owed gate
- 3 below — and explicitly NOT scored as covering #318).
- - **The four owed connected gates**, with recipes and pass criteria in
- [`2026-08-05-c4-closeout-handoff.md`](../research/2026-08-05-c4-closeout-handoff.md):
- (1) route 6 drops; (2) route 7 equip/carry across landblock boundaries,
- counted only with `[child-cell]` `cause=propagate` lines; (3) route 3
- portal/recall, counted only with `[local-tp]` lines, not scored against
- #318; (4) 4b-3's `cause=cellless` case, whose recorded trigger route 7
- invalidated — the replacement provocation is UNESTABLISHED and needs its
- own investigation. None has been run.
- **Route 4 SPLIT into 4a and 4b (user-directed 2026-08-03).** Scoping
- ([`2026-08-03-c4-route-4-scoping.md`](../research/2026-08-03-c4-route-4-scoping.md))
- put whole-route 4 at 1,500-2,500 production lines against a stated ~400
- budget, so it is split to keep each landing reviewable:
- - **4a — the steady state.** The classifier's `Interpolate` (contact,
- `PlayerDistance < 96 m`) and `NoPositionOperation` (no contact) branches.
- NEITHER runs a `SetPosition`, so 4a has no deferred-cell park, no
- service-window work, and no placement-allocation exposure. Fixes two of the
- three unfiled divergences (the NPC airborne hard-snap that ignores the wire
- `IsGrounded` bit; `ConstrainTo` armed before the operation instead of
- after). Highest visible value — this is what makes creatures move smoothly.
- - **4b — the edges.** `SetPosition` / `SetPositionSimple`: teleport, far-snap
- (>= 96 m), and cell-less first placement. This is where the parks, the
- Position-time service-window guard, #277's broken bound, N3 (headless never
- calls `RetryPending`), and the third divergence (`ConstrainTo` never armed
- on the remote teleport branch) all live.
-
- **4b also inherits 4a's ownership remainder — scheduled here, not implied
- by code comments.** Two independent reviews flagged that 4a satisfies
- contract items 1 and 2 only partially, and the plan must carry that rather
- than leaving it in `// 4b deletes this fallback` comments:
- - Runtime owns the classification, the request construction (one shared
- builder, `RuntimeAcceptedPositionRouteRequests`), the near-InterpolateTo
- decision with AP-87, and the post-operation `ConstrainTo`. **App still
- owns** branch selection, the airborne early return, the
- `RemoteMotion.CellId` write, the `WorldEntity` pose write, and the
- collision-shadow publish — all in `LiveEntityNetworkUpdateController`.
- - Item 2 ("both hosts drive the identical Runtime entry point") is
- satisfied only VACUOUSLY: `RuntimeLiveEntitySessionController` returns
- early for remotes, so no no-window host exercises this path at all and
- nothing can diverge yet. That stops being true the moment a headless
- host needs remote motion.
- - Every legacy fallback 4a deliberately left in place is 4b's to delete:
- the pre-operation unconditional `ConstrainTo`, the player arm's
- `!update.IsGrounded` no-op, the player and NPC legacy near/far routing
- (each still carrying its own duplicate `96f` / `4f` constants), and the
- airborne-precedence carve-out
- (`LiveEntityNetworkUpdateController.ApplyRemoteContactRouting`) that
- keeps a landing body snapping. Retiring the last one is a real behaviour
- decision — retail makes no player/NPC distinction there — and needs its
- own live evidence, not a silent convergence.
- - Register row **AP-135** (the airborne no-op's retained acdream
- bookkeeping: the server cell id for the free-fall sweep gate, and the
- last-server-position sample) — **CORRECTED 2026-08-04: this row does NOT
- retire with 4b.** Its own stated condition is retirement together with the
- free-fall sweep gate (`RuntimeRemotePhysicsUpdater.cs:342`), which 4b does
- not touch, and its sites are the airborne no-op branches — 4a-owned
- dispositions, not 4b's far-snap/teleport/cell-less. The trap is that those
- two writes sit physically inside `OnPosition`, which 4b rewrites heavily,
- so an implementer will assume they go. They stay. See
- [`2026-08-04-c4-route-4b-scoping-and-split.md`](../research/2026-08-04-c4-route-4b-scoping-and-split.md).
- - **4b is itself split into 4b-1 / 4b-2 / 4b-3** (2026-08-04). Scoping put
- 4b at 1,300-2,200 production lines — 4-6x route 4a — plus ~2,500-3,500
- lines of test work. 4b-1 is infrastructure with no remote behaviour change
- (the per-entity placement owner, the service-window guard, the
- refuse-rather-than-park policy, N3's headless `RetryPending` pump); 4b-2 is
- the far branch alone; 4b-3 is teleport/cell-less and the ~739-line class
- deletions. 4b-1 stays a separate landing regardless: it is where the
- park-withdraws-the-entity failure mode is decided, and it must not be
- reviewed alongside a large deletion.
- - **4b-2 LANDED at `7f1c1f5a` (2026-08-04); far-snap connected gate
- USER-PASSED same day.** Four fix rounds, eight Opus reviews; the slice was
- fully green at 10,990 / 10,997 / 11,004 while containing real defects
- (a frozen remote pinned as correct by its own test; a fallback that
- over-wrote on the exact retail paths that decline to store; a park guard
- incomplete on two independent axes). Final suite 11,009 / 4 / 0 against a
- **measured** 10,968 baseline — the 10,973 figure used earlier was wrong.
- Its real yield was a defect under routes 1 and 2, not the far snap:
- `ParkDeferred`'s quiescence parks withdrew the entity and were never
- restorable while `Forget(restoreCancelledPark: true)` runs for every
- accepted Position on every entity. The restorable decision now lives
- inside `ParkDeferred` after `SnapToCell`, read against every live
- quiescence.
- **Still outstanding: #309.** The `ACDREAM_PROBE_PARK=1` capture from the
- accepting session shows 11 parks, all `cause=unplaceable` — zero
- quiescence-cause parks, so the shared-core park change is NOT yet
- connected-verified. Without the probe that session would have been
- recorded as a pass. **Re-scoped 2026-08-04: #309 is largely superseded
- by #312 (closed `b1f914d5`, user-passed); what survives is the narrow
- `GotoLostCell` half — retail keeps a lost-cell object hidden until
- `reenter_visibility`; acdream re-shows it on cancel. Re-scope before
- running it.**
- Process lesson recorded: the round-1 defect was caused by the contract
- omitting "and still advance the pose", and the park defect should have
- been split into its own slice the moment it surfaced in round 2 instead
- of riding inside 4b-2 for three more rounds.
- Findings chain:
- [contract](../research/2026-08-04-c4-route-4b-2-contract.md) →
- [round 1](../research/2026-08-04-c4-route-4b-2-review-findings.md) →
- [round 2](../research/2026-08-04-c4-route-4b-2-delta-review-findings.md) →
- [round 3](../research/2026-08-04-c4-route-4b-2-round3-correction.md) →
- [round 4](../research/2026-08-04-c4-route-4b-2-round4-correction.md).
- Note the route-4 Create half is ALREADY DONE (C3b/C3c); the remaining work is
- steady-state remote Position plus the deletions. AP-131 is NOT retired by
- either sub-slice — see the scoping doc for why route 4 alone cannot.
- 4a contract: [`2026-08-03-c4-route-4a-contract.md`](../research/2026-08-03-c4-route-4a-contract.md).
- **Route 2 connected gate PASSED (user, 2026-08-03).** Provoked with the
- retail `@pklite` entry-collision bump (`69ba9486` — the only reachable ACE
- trigger for `ObjectForcePosition`; admin teleports advance `ObjectTeleport`
- and exercise route 3 instead, see
- [`2026-08-03-c4-route-2-visual-gate.md`](../research/2026-08-03-c4-route-2-visual-gate.md)).
- The user observed the visible slide off the overlapped character (the
- ForcePosition applied), correct animation, no heading change, and no leash
- tethering or rubber-band after the correction — so the two named behaviour
- changes (ack after commit; no `ConstrainTo` re-arm on this route) are
- accepted live. Both Opus reviews PASS on the final diff after three FAIL
- rounds.
- **Adjacent, NOT a route 2 regression:** shipping `@pklite` made PK Lite
- reachable for the first time and immediately exposed pre-existing PvP gaps —
- melee/ranged attacks refuse a PKLite target (auto-target retargets to the
- nearest other; auto-target off does nothing) while spells on the same target
- work. Under investigation; filed separately.
- **Route 2 (ForcePosition) — implemented 2026-08-03, contract:**
- [`2026-08-03-c4-route-2-contract.md`](../research/2026-08-03-c4-route-2-contract.md),
- **plan:** [`2026-08-03-c4-route-2-implementation-plan.md`](../research/2026-08-03-c4-route-2-implementation-plan.md).
- `RuntimeAcceptedPositionDriveController`
- (`src/AcDream.Runtime/Session/RuntimeAcceptedPositionDriveController.cs`)
- is the single accepted-Position execution seam for a ForcePosition on the
- already-live local player; `LocalForcePositionTransaction` and
- `HeadlessSessionWorldProjection.BlipLocalPlayer` are deleted, and the
- generic App render-tail is skipped for the local player's ForcePosition.
- Named behaviour changes (both retail-exact, ISSUES #285): the outbound
- ack now fires strictly after the canonical commit, and the constraint
- leash is no longer re-armed on this route (retail's FORCE_POSITION branch
- never reaches `ConstrainTo`).
- **Fix round (2026-08-03):** both independent dual reviews (retail-
- conformance + architecture/adversarial) FAILed the first pass — see
- [`2026-08-03-c4-route-2-review-findings.md`](../research/2026-08-03-c4-route-2-review-findings.md)
- for the full R1-R9 list. The critical finding (R1) was that the
- DeferredCell park could not survive a single ACE broadcast interval in
- production (`RuntimeEntityObjectLifetime.TryApplyPosition`'s unconditional
- `Forget` on every accepted Position cancelled it before its collision
- generation could commit), silently dropping the correction forever;
- `RuntimeAcceptedPositionDriveController.Advance` now detects the dead
- watch and re-issues from the entity's current canonical snapshot. R2/R3
- restored headless's collision re-centering and login-window fallback; R4
- stopped the force-ack from stealing a receipt the presentation sink had
- legitimately declined; R5/R6/R9 corrected false doc claims, closed a
- `_pending`-leak/overwrite gap, and fixed streaming-observer/pose-dirty
- side effects firing on a declined placement. R7 corrected a fixture bug
- (a dummy Setup sphere with its centre at the origin) that had been
- written up as a retail fidelity gain; R8 added App-layer double-write
- source pins and corrected an overclaimed single-ack test. Full detail:
- [`2026-08-03-c4-route-2-review-findings.md`](../research/2026-08-03-c4-route-2-review-findings.md).
- Complete Release solution after the fix round: **10,853 passed / 4
- skipped / 0 failed** (baseline 10,844/4/0; first pass 10,848/4/0).
-
- **Acceptance item 2 is NOT met — recorded gap, B2 (2026-08-03 round 2).**
- An earlier revision of this paragraph claimed R8 "added the App-layer
- double-write source pins the plan's own acceptance item required". That was
- a claim of coverage this changeset does not have, and it is corrected here
- rather than left as the citation a future session trusts (same rule that
- produced R7). The truth, per the adversarial review:
- - *First half — "the generic tail no longer double-writes the local
- player":* **source-pinned, not proven.** The pin is a regex/`Assert.Single`
- over `LiveEntityNetworkUpdateController`'s source text, so it would still
- pass if a second write were spelled differently, and **no test exercises
- the branch** at runtime.
- - *Second half — "the committed projection is what moves the render
- entity":* **uncovered at any layer.** No test drives a route-2
- ForcePosition through `RuntimePlacementPresentationSink` /
- `TryApplyRuntimePlacementPlace` and asserts the `WorldEntity` actually
- moved. Given R4 (the force-ack no longer consumes a declined `Place`),
- this is precisely the seam whose failure mode is silent: the canonical
- body moves and the render entity stays put.
- Closing this gap needs an App-layer test that runs the accepted
- ForcePosition end to end and asserts the render entity's position/cell came
- from the committed placement receipt — carry it into C5's parity tests or
- file it before this sub-landing closes.
- **Not yet done:** both reviews must be RE-RUN on this fixed diff, and the
- connected (user-gated) acceptance gate this campaign's standing
- discipline requires, before this sub-landing is considered closed — those,
- and the commit itself, are next. May land as more than one commit if a
- route proves large; each sub-landing keeps the full review discipline.
-- **C5 — legacy deletion + closeout gates — OPEN.** Delete every superseded legacy
- path; parity tests; exact lifecycle/reconnect + canonical nine-stop
- connected routes; two-client observation; **user visual matrix** (the
- campaign's stopping point for user acceptance). Retire AP-1, AD-1,
- AP-131, AD-60's legacy half, and close #275. Update register/roadmap/
- milestones/architecture/memory + successor handoff.
- **Inheritance recorded at C4 closeout (2026-08-05, full detail in
- [`2026-08-05-c4-closeout-handoff.md`](../research/2026-08-05-c4-closeout-handoff.md)):**
- the #318 end-to-end portal composition test, whose discriminating
- assertion is that **`PhysicsEngine.ShadowObjects` holds a row at the
- destination — not just `LocalPlayerShadowState`'s dedup cache** (AP-145's
- cache-without-publish asymmetry is why a cache-only assertion is satisfied
- by the bug); the route-3 C5 sweep candidates (`ILocalPlayerTeleportPlacement`
- as a thin acknowledge seam; the test-only `BeginAcceptedPlacement`/
- `BeginAuthoredPlacement` wrappers); #276's settle-cell remainder and
- #277's trigger-conditioned conversion; #316's measure-before-fix, #317's
- velocity-chain audit, #313, and #309's re-scoped narrow half; the
- cell-less live-trigger investigation (owed gate 4); and the TEMPORARY
- physics probe family strip (`REMOTE_LANDING`/`REMOTE_SLIDE`/`PARK`/
- `REMOTE_TELEPORT`/`CHILD_CELL`/`LOCAL_TELEPORT`) — after, never before,
- the four owed gates consume them.
- **#280's connected gate rides this matrix (added 2026-08-05).** Release,
- `ACDREAM_RETAIL_UI=1`, `ACDREAM_STREAM_RADIUS` **UNSET** (it forces
- `NearRadius` and only raises `FarRadius`, so a run with it set measures a
- different window than production). Run the route TWICE on the same binary —
- once with `ACDREAM_PROBE_REVEAL_RADIUS=1` (reproduces the pre-#280 gate) and
- once without — and report BOTH. The user-facing observable is an ABSENCE, so
- the pass criteria are three positive artifacts per stop, all from existing
- machinery: (1) a `world-visible` checkpoint JSON whose
- `StreamingWork.NearBacklog` / `.FarBacklog` / `.DestinationBacklog` /
- `.PendingPublications` are zero for the destination window at the moment the
- viewport opened; (2) a hold-duration pair — **the post-fix hold is EXPECTED
- to be LONGER**, and a hold that is not longer means the gate did not widen
- and the run proves nothing; (3) a paired screenshot per stop, where the
- pre-fix run is the one that shows the defect. `wait world-visible 30000` in
- `tools/connected-world-lifecycle.route.txt` is the convergence ceiling — a
- trip is a failure, a longer pass is not. **The reported repro was a RECALL,
- not `/teleloc`: the matrix needs a lifestone/recall leg**, and it must
- include a first-login stop, because login shares the same barrier and its
- gate widened too.
-
-After C5: ~~AP-22~~ (RETIRED 2026-08-06, bc4679cd) and ~~AD-10~~ (RETIRED
-2026-08-06 by deletion, 886333a2) are both DONE. Historical text follows.
-After C5: AP-22 (authored collision shapes), then AD-10 (remote
-contact-plane projection), then the campaign's final matrix and ledger
-closeout; vendor Slice 5 resumes.
diff --git a/docs/plans/2026-08-03-recent-regression-cleanup.md b/docs/plans/2026-08-03-recent-regression-cleanup.md
deleted file mode 100644
index fa34cfd8..00000000
--- a/docs/plans/2026-08-03-recent-regression-cleanup.md
+++ /dev/null
@@ -1,163 +0,0 @@
-# Recent-regression cleanup — plan (2026-08-03)
-
-Three defects introduced by the 2026-08-02/03 stabilization batch, found while
-reconciling the #281 test failures. All three are **ours, days old, and inside
-the least-verified code in the tree**. They are cleared before C4 resumes so
-six more placement routes are not stacked on top of them.
-
-Issues: #282 (two cell fields), #283 (two world origins), #284 (silent park).
-
-## Status — CLOSED 2026-08-03
-
-All three landed and are user-accepted.
-
-| Slice | Issue | Commit | Outcome |
-|---|---|---|---|
-| S1 | #284 | `97d11e6c` | Park reasons named; terminal on the contradictory state |
-| S2 | #282 | `3c36b4cc` | One cell owner (`VisibilityCellId`); register row AP-133 |
-| S3 | #283 | `898ff18b` → `89cf1e66` | Measured UNREACHABLE; permanent invariant instead of a restructure |
-
-Connected Release gate (retail UI) on S1+S2: user verdict "works fine"; log
-showed 9 completed reveals, 58 reveal events all `failures=0`, zero unhandled
-exceptions, zero parked placements, graceful exit (`0c14c402`).
-
-S3's probe run recorded zero disagreements across 11 reveals and six landblocks
-spanning ~45 km, so ownership was deliberately left alone — the evidence
-disproved the hypothesis, and the guard exists to keep it disproven.
-
-Final complete Release solution: **10,844 passed / 4 skipped / 0 failed.**
-
-Next: the original campaign order below, starting at C4 route 2.
-
-## Why these first
-
-Every one is an instance of the exact weakness the placement campaign exists to
-remove: **two owners of one fact, with no single writer keeping them agreed.**
-#282 duplicates "which cell is this in". #283 duplicates "where is zero". #284
-is why both stayed invisible. Fixing them inside C4 would mean diagnosing them
-through C4's much larger diff.
-
-## Standing discipline for this plan
-
-- Retail is the oracle. Grep `docs/research/named-retail/acclient_2013_pseudo_c.txt`
- by `class::method` before writing.
-- Root causes only. No timeouts, grace periods, suppression flags, or
- catch-and-ignore. #284 in particular is observability + fail-fast, never a
- retry cap.
-- **The complete Release solution suite must be green before every commit.**
- Focused-run-only gating is exactly what let #281–#284 ship. The full suite
- takes about 30 seconds; there is no excuse.
-- Each fix is its own bisectable commit with root-cause evidence, and updates
- the issue + divergence ledgers in that same commit.
-
----
-
-## S1 — #284: make a parked placement visible (do this first)
-
-Smallest, and it turns the other two from archaeology into observation.
-
-1. Classify the park reason at the single site that produces it
- (`RuntimeSetPositionState.PrepareMover`): awaiting collision generation,
- awaiting Setup, awaiting world frame.
-2. Fold per-reason parked counts into the existing physics ownership snapshot
- (`RuntimePhysicsState.CaptureOwnership`) so they appear wherever ledgers are
- already asserted, and in the connected gates' `report.json`.
-3. Fail fast on unresolvable parks. A park awaiting the world frame *while a
- local player is already registered* is not a wait — it is a contradiction.
- Surface it as a committed invariant exception, the pattern `01f4791e`
- established for receipt-ledger violations.
-4. Convergence contract: parked entries must be zero at every stable
- checkpoint. Wire that into the lifecycle/nine-stop gate assertions.
-
-**Tests:** each park reason is reported exactly once and clears on resolution;
-the contradictory park throws rather than retrying; ledgers converge to zero.
-**Gate:** focused Runtime + complete solution suite.
-
----
-
-## S2 — #282: one owner for an entity's visibility cell
-
-1. **Establish the retail model.** `CPhysicsObj::set_cell_id` @0x0050f4f0,
- `change_cell` @0x00513390, `set_cell_id_recursive` @0x00510da0,
- `ShouldDrawParticles` @0x0050fe60. Retail carries ONE cell per physics
- object, and particle gating reads that same cell. Write the pseudocode note
- before touching C#.
-2. **Audit the writers.** 12+ sites write `ParentCellId`
- (`LiveEntityNetworkUpdateController` ×4, `RemotePhysicsUpdater` ×2,
- `ProjectileController` ×3, `LiveEntityOrdinaryPhysicsUpdater`,
- `LocalPlayerProjectionController`, `RemoteTeleportController`, …); 3 write
- `EffectCellId`, all in `LiveEntityRuntime`. For each `ParentCellId` writer
- record whether it also rebuckets — a rebucket with an exact cell currently
- repairs the pair by accident. Produce the table before choosing the fix.
-3. **Decide the shape.** `EffectCellId`'s documented purpose is narrow: outdoor
- dat stabs that keep a null render parent while retail still gives them an
- outdoor landcell. Live/interior entities were explicitly meant to use
- `ParentCellId`. Preferred fix, in retail's direction: live entities stop
- populating `EffectCellId`, the stab case keeps it as the documented
- exception, and one owner writes the visibility cell that the effects path
- reads. If the audit shows live entities genuinely need it, the alternative
- is a single writer that maintains both — but never 12 independent writers
- against a field that wins.
-4. **Divergence register.** The two-field split is an adaptation from retail's
- single cell. Add the row if none exists; delete it if step 3 collapses the
- split.
-
-**Tests:** an entity crossing a cell boundary keeps its particles and lights
-attached; an equipped/attached child keeps its parent-relative behaviour; the
-outdoor dat stab case is unchanged.
-**Gate:** focused App + complete suite, then a **user visual check** — a
-monster with an active spell effect crossing a cell boundary, and a lit static
-object, indoors and outdoors.
-
----
-
-## S3 — #283: one owner for the world origin
-
-Sequenced last of the three and immediately before C4 route 3, which touches
-the same portal code.
-
-1. **Prove or disprove reachability first.** With S1 landed, assert at the
- placement site that Runtime's frame center and App's `LiveWorldOriginState`
- center agree; run the portal/recall routes. If they never diverge in
- practice, the fix is a permanent invariant rather than a behaviour change —
- record that and stop. Do not restructure on a hypothesis.
-2. **Retail evidence.** How retail rebases its landblock offsets across a
- teleport, and the ordering around `TAS_TUNNEL_CONTINUE` — the same
- sequence #280 already needs read. Read once, use twice.
-3. **Fix shape.** Runtime owns the world frame; App projects it. Today
- `LiveWorldOriginState` is an independent owner with its own rebase edge.
- Make it a projection of Runtime's frame, so there is exactly one origin and
- the retirement-driven edge becomes a *publication* of that origin rather
- than a second decision. This is the same ownership move the campaign has
- already applied to entities, physics, and placement.
-4. **Ordering invariant.** No placement may commit against an origin the
- render side has not adopted. Whether that is expressed as a gate or made
- structurally impossible falls out of step 3.
-
-**Tests:** a teleport whose old-window retirement lags by many frames cannot
-commit a placement against a mismatched origin; frame and origin rebase
-together; ordinary movement rebases neither (already pinned by
-`RuntimeWorldFrameTests`).
-**Gate:** focused + complete suite, lifecycle/reconnect, and a **user visual
-check** on repeated portal/recall arrivals with objects present.
-
----
-
-## After S1–S3
-
-Resume the original campaign order, unchanged:
-
-1. **C4 routes 2–7** — ForcePosition, portal (with S3 landed), remote
- Create/Position, projectile correction, drops, pickup/parent/delete.
- Fold in #276 and #277 where their route becomes authoritative.
-2. **#280** — retail destination prefetch, landed adjacent to route 3.
-3. **C5** — delete superseded writers, complete suite, lifecycle/reconnect,
- nine-stop soak **on the final binary**, two-client observation, the #269/#278
- slope-glide check. Only then retire AP-1, AD-1, AP-131, and AD-60's legacy
- half.
-4. **AP-22** — `ShadowShapeBuilder` as sole authority for authored Setup
- collision shapes.
-5. **AD-10** — remote contact-plane projection through the real transition
- sweep.
-6. Final movement/collision matrix; ledger, architecture, roadmap, milestones,
- memory, `CLAUDE.md`, `AGENTS.md`. Vendor Slice 5 resumes only after that.
diff --git a/docs/plans/2026-08-06-collision-fidelity-campaign.md b/docs/plans/2026-08-06-collision-fidelity-campaign.md
deleted file mode 100644
index 06a203a0..00000000
--- a/docs/plans/2026-08-06-collision-fidelity-campaign.md
+++ /dev/null
@@ -1,266 +0,0 @@
-# Campaign S — collision shape & response fidelity
-
-**Opened:** 2026-08-06, immediately after #333/#337 closed (`ea83b043`).
-**Status:** IN FLIGHT — overnight session 2026-08-07 ledger:
-S1A (AP-157) closed by measurement, no code · S1B contract ready, not
-implemented · S2 contract ready, not implemented · S3 CANCELLED (planned on a
-misreading — see its section) · S1B LANDED (b3e43d22, #335 closed) and S2 LANDED (9671af02, AP-155
-narrowed), Session-B dungeon gate USER-PASSED 2026-08-07 evening ("Feels
-good!") · S4 half-landed (AD-65 shipped and USER-PASSED at the 2026-08-07 morning gate; AD-66 withheld
-behind #341's measurement anomaly; AD-69 filed) · S5 closed (fix predated the
-campaign; zombie register row) · S6 LANDED (containment: the camera provably reaches BOTH ACE-derived TOI
-tails live — the rows' dormancy premise was false; guarded with counters +
-one-shot unverified-mover log, four tests, sabotage on the real exemption
-axis; AP-83/AP-91 rewritten CONTAINED-not-dormant, severity camera-feel
-only) · **CAMPAIGN CLOSED 2026-08-07 night** with ONE honestly-open item:
-AD-66's reland is blocked by the #341 codegen-shape measurement instability
-(twice self-refused by its own stability gate; the ABA evidence and the
-first discriminating experiment are in #341). The user's final slope look
-travels with that reland. Next: #344, #343, #341's boundary hunt, then
-vendors (M4) · #330 hoist landed, wiring
-withheld with a seven-point scope map · #32/#338 pre-work both closed.
-**Scope:** the twelve remaining collision-domain items — five shape/membership
-divergences, three resolution-math divergences, two undecodable-math rows, and
-three open bugs.
-**SSOT while active:** this file. Digest:
-`claude-memory/project_physics_collision_digest.md`.
-
----
-
-## Why a campaign and not twelve tickets
-
-Three of these rows edit the same two functions. `AP-157` and the `AP-156`
-residual both live in `ShadowObjectRegistry.BuildFloodSpheres`; `AP-159`/`#335`
-lives one call away in `CellTransit.BuildShadowCellSetFromParts` and in
-`ShadowObjectRegistry.BuildBspPartSpheres`. Shipping them as separate tickets
-means three review cycles over the same code and three chances to reintroduce
-each other's bugs. This project already has a written rule about exactly that
-shape of work: **shared-file slices are ONE agent against a pinned contract**
-(`feedback_dont_parallelize_coupled_plan_slices`).
-
-The second reason is ordering. **Membership gaps mask query gaps.** We just
-watched it happen: AP-156 put geometry into the right cell and AP-158 threw it
-away one layer down, so AP-156's entire visible benefit was invisible until
-#333 landed. Anything upstream of the query has to be correct before a gate on
-the downstream math means anything.
-
----
-
-## The governing lesson from the last campaign
-
-**The register rows are leads, not specifications. Measure before you fix.**
-The evidence, all from the last two weeks:
-
-- **AP-155(b) recorded the flood approximation as OVER-inclusive**, and used
- that direction as the reason it was safe to defer. Measured, it was
- UNDER-inclusive for 428 of 530 Setups — the opposite, and the dangerous
- direction.
-- **AP-156's risk column was wrong**, and its wrongness is precisely why #334
- — a user-visible loss of collision — sat inside it unnoticed.
-- **AP-22 described an unreachable branch.** 0 of 5,935 installed Setups could
- satisfy its guard. The correct fix was deletion, not a port.
-- **#331's headline claim was refuted outright.** The behaviour was already
- retail-faithful.
-
-So one row in four, in this exact domain, was materially wrong about its own
-population, direction, or existence. **Every slice below opens with a
-measurement that can cancel it.** A slice that measures its population at zero
-closes as "row deleted", and that is a success, not a wasted slice.
-
----
-
-## Slice order
-
-### Pre-work — two cheap unblocks, before the campaign proper
-
-Both are the user's own outstanding reports and both are blocked on a
-measurement that costs far less than the fix. Neither is a campaign slice.
-
-**PW-1 — #338, the step heights.** Setup `0x02000001` authors
-`StepUpHeight = 0.600` / `StepDownHeight = 1.500`; the client resolves with
-`0.400` / `0.400`. **First question is whether retail reads the authored field
-at all** — grep `named-retail` for the step-height getters and their callers.
-If retail substitutes its own constants, 0.4 is correct and #338 closes as a
-non-defect. ~30 minutes. Do not touch code before that answer.
-
-**PW-2 — #32, local-player cliff edge-slide.** This is the *other half of the
-original two-bug report* and the thing the user will feel most, so it does not
-sit behind six slices. Research is already done (`38db9fff`):
-`CollisionInfo.SetContactPlane` latches last-known at all 13 call sites where
-retail's `COLLISIONINFO::set_contact_plane` @0x00509d80 — 22 bytes — never
-does. Fix is ~20–25 lines, mostly deletion, in 2 files. **Blocked on a live
-`ACDREAM_DUMP_EDGE_SLIDE=1` capture**: the report's six-row decision table has
-three rows that redirect the fix entirely. Needs the user at the client.
-
----
-
-### S1 — The flood / membership pipeline
-
-**Rows:** AP-157, AP-156 residual, AP-159 / #335.
-**Files:** `ShadowObjectRegistry.cs` (`BuildFloodSpheres`, `BuildBspPartSpheres`),
-`CellTransit.cs` (`BuildShadowCellSetFromParts` indoor arm),
-`ShadowShapeBuilder.cs`.
-**One agent. Pinned contract. Not parallelised.**
-
-This is the walk-through direction and the largest single win in the list.
-
-- **AP-159 / #335** — indoors we admit an EnvCell neighbour on a *sphere* test
- where retail hands the part array to each cell's own `find_transit_cells` and
- tests every part's sphere against that cell's portal planes in cell-local
- space. Port the part-array overload. This is the last of AP-156's traversal
- residual; the outdoor half already closed with #334.
-- **AP-157** — retail's third `calc_cross_cells` branch floods from ONE
- `CPartArray::GetSortingSphere`; we flood from every Sphere shape. Our
- cylinder flood also ignores `CylHeight`.
-- **AP-156 residual** — we scale the flood sphere by entity/part scale; retail's
- `CEnvCell::find_transit_cells` reads only `CPhysicsPart::pos` and never
- `gfxobj_scale`. Note the asymmetry before changing anything: retail's cross-cell
- walk is itself under-inclusive for scaled parts and ours is not, so "match
- retail" here means **deliberately adopting a retail bug**. That is a decision
- to make explicitly with the user, not silently — over-inclusive is safe,
- under-inclusive is the walk-through direction.
-
-**Opens with:** an installed-DAT sweep giving each row its true population and
-direction, measured against a DAT field that is not the one being fixed (the
-non-circular-oracle rule that caught AP-156's identically-zero assertion).
-
-**Gate:** offline differential over installed DATs, plus one live indoor run —
-a dungeon with tight rooms and a door.
-
----
-
-### S2 — Static publication shape fidelity
-
-**Row:** AP-155. **Files:** `LandblockPhysicsPublisher.cs`,
-`LandblockPhysicsContentBuilder.cs`.
-
-The static-load paths emit an authored Setup Sphere as a height-capped
-Cylinder. Different files from S1, so it is separable — but it must land
-**after** S1, because S1's flood consumes what these paths produce, and
-measuring S2's effect while S1 is in flight would confound both.
-
-**Gate:** shares S1's live indoor run if S1 and S2 land together; otherwise
-offline only, since a shape substitution's population is fully measurable from
-the DATs.
-
----
-
-### S3 — Animated collision pose — CANCELLED 2026-08-07 (the slice was planned on a misreading)
-
-**Row:** AP-84 — which stays exactly as it is.
-
-This plan's original S3 text claimed "a door's collision stays where the shut
-door was." **That scenario cannot occur, and AP-84's own row says why:** an
-open door is ETHEREAL (#150) and bypasses collision entirely, so the only
-pose a door ever collides in IS the registered default pose. The row's risk
-column already carries the honest residual — "an entity whose server-driven
-motion state materially moves a BSP-bearing part while NON-ethereal would
-collide at the stale default pose (no known case)" — with the revisit
-trigger written. The register was right; this plan's summary of it was
-wrong, which is the same reading failure the campaign's own governing
-lesson warns about, committed by the campaign plan itself.
-
-No fix, no gate, no door row in the morning sitting. AP-84 remains an
-active, deliberate approximation.
-
----
-
-### S4 — Push-out math
-
-**Rows:** AD-65 + AD-66. **File:** `TransitionTypes.cs` (`AdjustOffset`) — both
-in the same function, so one slice.
-
-- **AD-65** — the `collisionAngle > 0` arm substitutes `result -= N * angle`
- for retail's `Plane::snap_to_plane`. Recorded effect: downhill XY travel short
- by cos²θ (25% at 30°, 50% at 45°).
-- **AD-66** — the safety push-out substitutes `radius * ContactPlane.Normal.Z`
- for retail's bare `radius`, in both the trigger comparison and the `zDist`
- numerator.
-
-**Correction carried in from the closeout:** AD-65 was previously described as
-"a live lead for #269". That framing is **retracted** — #269 closed 2026-07-31
-on the user's own live gate, and AD-65's sign is *opposite* to that symptom.
-AD-65 stands on its own merits. (#269's do-not-retry covers friction and jump
-chains, which are byte-exonerated; `AdjustOffset` is a different function and
-is not covered by it.)
-
-This is feel, not pass-through. It cannot be gated by a test asserting "did I
-fall through" — it needs a movement-feel gate.
-
----
-
-### S5 — The Sledding flatness constant
-
-**Row:** AD-55. **File:** `PhysicsBody.cs` (`calc_friction`).
-
-We compare `GroundNormal.Z > 0.99999536f` (≈0.175° from flat); the raw decomp
-literally computes `__fcos(0.17453292519943295)` = cos(10°) ≈ 0.984808. One of
-the two is a decode artefact. **Resolve by byte-decoding the constant from the
-PDB-paired binary** — there is a documented method for exactly this
-(`reference_pe_byte_decode`), and it has already caught one inverted mapping
-this project inherited from ACE.
-
-Cheap. **Batch its live gate with S4's** — both are movement feel on slopes,
-and asking for two separate slope-feel sessions wastes the only genuinely
-scarce resource in this campaign.
-
----
-
-### S6 — Containment, NOT a fix
-
-**Rows:** AP-83, AP-91.
-
-**These are not portable and should not be listed as fixes.** The PerfectClip
-time-of-impact tails in `CCylSphere::collide_with_point` and
-`CSphere::collide_with_point` are x87 sequences that do not decompile legibly;
-we took them from ACE. There is no retail text to port. Pretending otherwise
-would put a "port it" ticket in the backlog forever.
-
-The honest deliverable is **containment**: prove no production mover sets
-PerfectClip, and add a guard or test that fails loudly if one ever does. Then
-the rows describe a branch we can show is unreachable, which is the same
-resolution AP-22 got.
-
----
-
-### Parallel track — #330, headless live-entity collision
-
-The headless host registers no live-entity collision at all: a bot walks
-through every NPC and every server-spawned object. The graphical client is
-unaffected.
-
-**Genuinely parallel.** Different host, and — unlike everything above — it
-needs **no live gate from the user at all**, because the headless suite can
-assert it directly. It is the one item that can proceed while the user is
-unavailable, which makes it the right thing to pick up whenever a live gate is
-blocking.
-
----
-
-## Gate economics
-
-The user's time at the client is the only scarce resource here. Live gates are
-therefore **batched, not per-slice**:
-
-| Session | Covers | What to do in-world |
-|---|---|---|
-| A | PW-2 capture | drive the cliff edges that misbehave; capture only, no fix yet |
-| B | S1 + S2 | a tight dungeon with a door; walk boundaries, jump, drop a corpse |
-| C | S3 | doors: open, walk through, close, walk into |
-| D | S4 + S5 | slopes: run down, run across, sled, land on inclines |
-
-Four sessions for the whole campaign. Everything else is offline.
-
----
-
-## Definition of done
-
-- Each row either **retired** with its evidence, or **rewritten** with a
- corrected population/direction, or **deleted** as describing something that
- does not exist. All three are acceptable outcomes.
-- No row is closed on a test that re-computes the production expression as its
- own oracle. Use an independent DAT field or an independent implementation.
-- Every discriminating test is **sabotage-verified**: break the production line
- and watch the test redden, in the same session it is written.
-- `docs/ISSUES.md` and the divergence register updated in the **same commit**
- as the code, per the register's own two binding rules.
diff --git a/docs/plans/2026-08-07-morning-gate-checklist.md b/docs/plans/2026-08-07-morning-gate-checklist.md
deleted file mode 100644
index e1099042..00000000
--- a/docs/plans/2026-08-07-morning-gate-checklist.md
+++ /dev/null
@@ -1,88 +0,0 @@
-# Morning gate — 2026-08-07 (one sitting)
-
-**Status: COMPLETE 2026-08-07 — G1 user-passed ("Slopes feels good").**
-
-Everything below folds the deferred visual gates into one sitting, ordered so
-travel between sites doubles as #339 reproduction attempts. Launch is
-prepared by the overnight session; **the client is NOT launched until you're
-back** (your instruction).
-
-## 0. Launch (the lead runs this when you say go)
-
-Main checkout, absolute path, probes armed. The first `[step-h]` line in the
-log must print the assembly path under
-`C:\Users\erikn\source\repos\acdream\src\` — that is the wrong-binary guard,
-now part of every capture.
-
-## 1. Closed overnight with nothing owed to your eyes
-
-- **#32 local edge-slide** — you passed it at the Rithwic cliff ("Yes works
- now"). Ledger closed, AD-67 filed for the one kept residual.
-- **#338 step heights** — headline refuted by full-capture statistics
- (111,248 authored-pair resolves vs 358 placeholder ones); no production
- change, nothing to look at. AD-68 records the benign async-residency
- placeholder.
-- **AP-157 (S1A)** — measured, both halves resolved without a code change:
- the CylHeight half is retail's own behaviour (byte-verified), and the
- sorting-sphere half is real vs retail's registration set but PROVEN unable
- to change any collision outcome (flood and test geometry are the same
- spheres). Fix deferred to the next bake-schema revision.
-- **AD-55 (S5) — closed, and the fix turned out to be a WEEK OLD.** The
- cos(10°) constant has been live in production since 2026-07-30
- (`252e8068`); you've been playing on it. Tonight's byte-decode is an
- independent confirmation. The register row claiming otherwise was a
- ZOMBIE: an unrelated revert (`a8a7d64b`) resurrected the retired row —
- and, found by auditing that same revert, had also silently DELETED the
- then-active AD-56 row. Both corruptions fixed; the class is now a memory
- rule. No feel gate owed for S5.
-
-## 2. The sitting — ONE row
-
-| # | What | Where / how | Pass looks like |
-|---|---|---|---|
-| G1 | **S4 / AD-65 — downhill slope feel.** The away-from-plane response now
- snaps to the surface (XY preserved) instead of projecting (XY shrunk by
- cos²θ — 25% at 30°, 50% at 45°). | Run DOWN a long slope (the Rithwic
- descent works), then across it diagonally; jump down-slope and land
- running. | Downhill ground speed feels like retail — no "wading" slowdown
- on descents; no new stutter or floatiness; landings keep momentum
- downhill. |
-
-That is the whole sitting: **one slope run, ~3 minutes.** Everything else
-either closed with no gate owed or was deliberately withheld (below).
-
-## 2.5 Withheld / deferred overnight — nothing to test, decisions recorded
-
-- **AD-66 (the push-out's bare radius) — WITHHELD, issue #341.** The port is
- byte-proven twice over, but the landing produced a measurement that
- contradicted itself (same binaries, opposite outcomes flipping with test
- assert shape). Parked behind an instrumentation plan rather than guessed
- at. AD-69 filed alongside: the same block misses retail's seam-frame
- correction.
-- **#330 headless collision — wiring withheld, hoist landed.** Dual review
- converged on a real dependency the contract missed: headless has no
- remote-motion tick, so spawn-registered shadows would freeze into phantom
- obstacles. The issue now carries the full seven-point scope map.
-- **S1B (indoor box-admit) and S2 (static sphere emission)** — contracts
- written and committed, not implemented; next session picks them up
- directly.
-- **S3 — cancelled**: planned on a misreading; open doors are ethereal, so
- AP-84's approximation is behaviourally equivalent. The register was right.
-
-## 3. Free riders during travel
-
-- **#339 portal-space hang** — every portal you take is a reproduction
- attempt; if you get stuck again, the log captures the readiness flags and
- the session becomes the diagnosis session. Nothing to do actively.
-
-## 4. Deliberately NOT in this sitting
-
-- **C5c's connected-gate batch** (~1 hr: D-1 scenarios, AP-136 six-step park,
- route-7, two-client, nine-stop soak) — standing debt by your direction;
- say the word any morning and it becomes its own sitting. The probe family
- stays in the tree until it runs.
-- **AP-156 scale question** — retail does NOT scale cross-cell flood spheres;
- we do. Matching retail here means adopting a retail bug whose direction is
- walk-through for shrunk objects. Your call, explicitly, before any code
- changes: keep our over-inclusive scaling (safe, divergent) or match retail
- (faithful, under-inclusive for scale<1). One sentence from you settles it.
diff --git a/docs/plans/2026-08-08-audio-parity-campaign.md b/docs/plans/2026-08-08-audio-parity-campaign.md
deleted file mode 100644
index 4ed305a6..00000000
--- a/docs/plans/2026-08-08-audio-parity-campaign.md
+++ /dev/null
@@ -1,379 +0,0 @@
-# Campaign A — Audio retail-feel parity
-
-**Status: CODE-COMPLETE 2026-08-08 — awaiting the user listening gate.** All six slices landed (see the ledger). Research phase complete;
-six-lane named-retail decode done, all load-bearing claims byte-verified
-against the PDB-paired 2013 binary (BN pseudo-C alone was NOT sufficient —
-see "BN traps" below).
-
-**Goal:** the client sounds like retail. Every divergence between our audio
-runtime and the 2013 EoR client is either fixed to the retail mechanism or
-recorded in the divergence register with a reason.
-
-**Research base (read the lane note before implementing its slice):**
-
-| Lane | Note | Owns |
-|---|---|---|
-| 1 | `docs/research/2026-08-08-audio-retail-soundmanager-core.md` | SoundManager, falloff, pan, voice pool, prefs |
-| 2 | `docs/research/2026-08-08-audio-retail-ambient-runtime.md` | AmbientSound/ConstantSound/IntermitSound runtime |
-| 3 | `docs/research/2026-08-08-audio-retail-ambient-authoring.md` | Region-file authoring chain, dat coverage |
-| 4 | `docs/research/2026-08-08-audio-retail-dat-layer.md` | SoundTable/Wave formats, selection model, dat census |
-| 5 | `docs/research/2026-08-08-audio-retail-server-sounds.md` | 0xF750 wire path, play_sound, trigger catalog |
-| 6 | `docs/research/2026-08-08-audio-retail-music-absence.md` | Music (there is none), MediaMachine, AdminEnvirons |
-
-The older `docs/research/deepdives/r05-audio-sound.md` is SUPERSEDED where it
-conflicts with the lane notes (its §5.1 falloff, §6 music, and §7 ambient
-sections are wrong — Ghidra-era `FUN_xxx` reads that the named decomp + byte
-decode overturned). Slice A6 adds the banner.
-
----
-
-## What retail's audio engine actually is (one page)
-
-Retail is a **2D pan+gain engine**, not 3D audio. Every gameplay buffer is
-created with `m_3D = 0`; the DirectSound 3D listener the client sets up is
-dead code. Spatialization is CPU-side per voice at play time:
-
-- **Gain** (`SoundManager::GetAttenuation @ 0x00550020`; byte-decoded):
- `g = dist < 5m ? vol : 25·vol/dist²`, clamped to 1.0, then multiplied by ONE
- master knob (`effect_sound_volume` or `ambient_sound_volume`) — clamp
- first, multiply second — then `db = ceil(20·log10 g)` with a hard floor at
- −50 dB, below which the voice is **not allocated at all**. Audible radius
- ≈ 94.2 m at vol 1.0.
-- **Pan**: `pan_dB = (int)(−15·sin(Δbearing))`, truncating toward zero,
- saturated at ±15 dB, forced to 0 when `(int)distance < 5`. No front/back,
- no elevation.
-- **Listener** = `SmartBox::viewer` — the **collided third-person camera**
- Position, refreshed once per rendered frame (`SmartBox::set_viewer` @
- `0x00452D36`, `SmartBox::update_viewer` @ `0x00453CE0`), falling back to the
- player's own position when the camera sweep fails. Only its origin and
- `Frame::get_heading` are read. (An earlier draft of this plan said the
- listener is the player and called acdream's camera listener a defect —
- wrong, and corrected at A2. Do not re-"fix" it.)
-- **Voice pool**: allocator is `SoundManager::PlaySoundInternal @ 0x0054FEC0`.
- Eviction compares the DAT-authored **float priority** (0..1); equal
- priority never evicts. (`FUN_00550AD0` cited in our code is a hash-table
- constructor — wrong symbol.)
-- **No loops, no pitch**: retail never sets the DSound loop flag and never
- calls `SetFrequency`. "Looping" ambients are re-fired one-shots.
-- **Variant selection** (`SoundTableData::Lookup` + play sites): pick
- `idx = (int)(roll01 · (n−1))` — uniform over all but the LAST entry
- (a genuine Turbine off-by-one; the last variant is unreachable and a
- faithful port keeps that) — then a SEPARATE Bernoulli gate
- `rand()/32767 < probability`, else **silence**. Probability is a gate,
- not a weight.
-- **Volume field** is unbounded gain (dats go up to 10.0); retail clamps
- only AFTER the distance divide, so >1 volumes extend audible range.
-- **Prefs** (`InitPrefs @ 0x005503F0`, 8 keys): three float volumes
- (effect / ambient / interface — interface is registered but **never
- read**), three enable bools, `Sound Features` (==1 disables pan),
- `Play Sound Only When Active`. There is NO music knob.
-- **Quirk (faithful-port decision)**: effect and ambient volumes are each
- applied twice (once at the play site, again inside GetAttenuation) — the
- sliders are effectively **squared**.
-
-**Sound triggers, exhaustively** (lane 5): (1) animation hooks
-(SoundHook/SoundTableHook/SoundTweakedHook) — footsteps, combat swooshes,
-all authored in MotionTables; (2) the server `Sound` event **0xF750**
-(`guid, SoundType, vol`) — hits, wounds, wield, pickup, locks, lifestone,
-spell resists; retail queues an event for a not-yet-known guid and replays
-it on CreateObject, and plays at the WIRE volume, ignoring the table
-entry's volume (the hook path does the opposite); (3) PhysicsScripts
-(0xF754/5 — already live in acdream); (4) UI sounds via the ClientUISystem
-sound table loaded by `DBObj::GetByEnum(0x22, slot 7)`; (5) region-authored
-ambients (below). `CPhysicsObj::play_sound` has exactly ONE caller — the
-0xF750 handler. There are NO client-local collision/jump/water sound call
-sites; inventing one is a divergence.
-
-**Ambients** (lanes 2+3): authored entirely in `region.dat`
-(`Region.SoundInfo` → `AmbientSTBDesc[]` referenced by scene types ← terrain
-types). On every **objcell change** (24 m), `CellManager::ChangePosition`
-rebuilds weights by walking the **3×3 landblock ring × 64 land cells each**,
-decoding each cell's terrain word to (terrainType, sceneIdx) and
-accumulating per-sound inverse-square weight (1.0 inside 20 m, `(20/d)²` to
-120 m, 0 beyond) plus an 8-way bearing histogram. Playback is a min-heap of
-absolute deadlines ticked from the frame loop; each pop plays a one-shot
-and re-arms. `base_chance == 0` ⇒ **ConstantSound**: non-positional,
-volume = its weight share of total (a real terrain crossfade), re-fires
-every `min_rate` s. Non-zero ⇒ **IntermitSound**: authored fixed volume,
-positioned at a random accumulated bearing ±11.25° at distance
-`min + (max−min)·t²`, gated by `roll ≤ base_chance`, interval
-`RollDice(min_rate, max_rate)`. **Indoors is silent by design** —
-`CEnvCell::add_ambient_sounds` is an empty folded `ret`; EnvCell has no
-sound data. No day/night/weather selection exists.
-
-**Music does not exist** (lane 6): the linked winmm MIDI player has zero
-callers (`midiPlay` = 4 textual occurrences: definition + its own queue
-drainer; verified independently), "music" appears 0 times in the 65 MB
-decomp, no SoundType music member, no music pref, no music files shipped.
-`MediaMachine` is a UI-state media bytecode VM whose `Update_Sound` routes
-LayoutDesc-authored waves/table rows to the interface bus.
-
-### BN traps (binding on every slice — reread before porting)
-
-Binary Ninja renders x87 memory-operand compares as unimplemented `bool p`
-and elides the constants; **five** sites would have ported with inverted
-polarity or zeroed math: `is_continuous`, both `CanHear`s, `PlayNow`,
-`PlayProbability`, plus `GetAttenuation` printing `* 0f`. Byte-decode the
-PDB-paired binary (`reference_pe_byte_decode.md` workflow) for ANY float
-compare or constant in this subsystem. The lane notes contain the verified
-values; if a needed constant is not in a note, decode it — do not trust
-the pseudo-C rendering and do not guess.
-
----
-
-## Where acdream is today
-
-Working and retail-correct-in-shape: the animation-hook trigger path
-(`AudioHookSink`, correctly the only client-local trigger), SoundTable/Wave
-dat parsing (byte-exact vs retail), `SoundId` enum (golden-conformance
-tested), entity→SoundTable resolution (Setup-then-wire precedence),
-world-audio quiescence across portal transitions, AL buffer budget/lifetime.
-
-Divergent or missing, ranked by audible impact:
-
-| # | Defect | Where | Symptom |
-|---|---|---|---|
-| 1 | Probability gate absent: `SoundCookbook.Roll` short-circuits single-entry lists (4,183/4,184 entries!) before any roll; CDF walk instead of `(n−1)` pick + gate | `SoundCookbook.cs` | Idle chatter ~20× too often; nothing ever randomly silent — the "incorrect ambient-ish noise" complaint |
-| 2 | 0xF750 unhandled — zero hits in `src/` | `Core.Net` routing | Every server cue silent (hits, wounds, pickup, locks, lifestone…) |
-| 3 | Falloff: AL `InverseDistanceClamped` ref 2 m ⇒ `2/d` first-power, no −50 dB cutoff; AL's 3D panner instead of retail's ±15 dB angular pan | engine + `WorldRenderFrameBuilder` | Wrong loudness curve in both directions — quieter than retail up close, audible where retail is silent; stereo image wider and 3-D where retail's is a narrow angular pan (AP-28) |
-| 4 | Priority float [0,1] cast to int 0..7 → 4,100 entries collapse to 0; eviction compares gain not priority | `AudioModel`/engine | Eviction ordering gutted under voice pressure |
-| 5 | Volume clamped at field instead of after distance divide | `AudioHookSink` | >1-gain sounds lose up to 3× audible range |
-| 6 | Region ambient system absent (`StartAmbient` stub) | engine | Silent outdoors atmosphere (TS-29 half) |
-| 7 | UI sound bank absent; AdminEnvirons stingers logged not played; portal enter/exit cues missing | — | TS-54, AP-115 |
-| 8 | `PlayMusic`/`StopMusic`/`MusicVolume` model retail code that never runs | `IAudioEngine`, settings | Dead API + misleading settings knob |
-| 9 | Dead code: `AudioFalloff` (wrong constants, unused), wrong `FUN_00550ad0` citation, invented `PitchMin/PitchMax`+`Loop`+`Is3D` fields on `SoundEntry` | `AudioModel.cs`, engine header | Traps for future readers |
-
-Register rows in scope: **AP-28** (retire at A2), **AP-115** sound half
-(retire at A4), **TS-29** (retire at A5/A6), **TS-54** (retire at A4),
-**TS-9** (re-scope at A6 — dat census says exactly 1 of 786 waves is MP3).
-Issue **#321** (sound-cache decode-dedup race) folds into A6.
-
----
-
-## Slices
-
-Ordering is audible-value per effort; A1–A2 are the "it sounds wrong"
-fixes, A3–A4 the "it's silent where retail speaks" fixes, A5 the big new
-system, A6 the cleanup. Each slice: grep-named → (byte-decode if any new
-constant) → pseudocode check against lane note → port → conformance tests →
-build/test green → commit; user listening gates where marked.
-
-### A1 — Selection-model correctness (small; biggest audible fix)
-
-Replace `SoundCookbook.Roll` with retail's exact model: uniform
-`idx = (int)(roll01 · (n−1))` (preserving the last-entry-unreachable
-off-by-one), then the separate Bernoulli probability gate returning
-"silence" — including for single-entry lists. Priority stays float [0,1]
-end-to-end (`SoundEntry.Priority`, engine slots). Volume passes through
-unclamped; clamp moves to post-attenuation (staged here, consumed by A2).
-Delete the invented `PitchMin/PitchMax/Loop/Is3D` fields. Rewrite
-`SoundCookbookTests` against golden values from the lane-4 note's decoded
-tables; add a distribution test for the gate.
-
-Acceptance: conformance tests green; connected sanity — creature idle
-chatter audibly rare (Speak1 ≈ 5% per trigger, was 100%).
-
-### A2 — Falloff/pan/listener/voice parity (retires AP-28)
-
-Port `GetAttenuation` + pan CPU-side exactly (5 m knee, `25·vol/d²`,
-clamp-after, ceil-dB, −50 dB no-allocate floor, `−15·sin(Δheading)` pan
-±15 dB with 5 m dead zone, `Sound Features==1` pan disable). OpenAL
-becomes a dumb 2D voice bank: source-relative sources, per-voice gain +
-pan (AL_POSITION azimuth from pan only); remove AL's distance model and the
-listener orientation math.
-
-**Listener correction (2026-08-08, from the lane-1 decode):** an earlier draft
-of this plan said the listener must move "from camera pose to player
-position/heading" and listed "listener = CAMERA" as a defect. That was wrong,
-and it was written before lane 1 landed. Retail's listener IS the camera:
-`SmartBox::set_viewer` @ `0x00452D36` hands the same COLLIDED third-person
-camera Position to `SoundManager::SetPlayerPosition`, the sky, and the camera
-setup, refreshed once per rendered frame from `SmartBox::update_viewer` @
-`0x00453CE0` (falling back to the player's own position when the sphere sweep
-fails). acdream's chase camera collides too, so the position source was already
-faithful; only the HEADING extraction changes, since retail reads
-`Frame::get_heading` — one compass bearing — and never a forward/up basis.
-Do not "fix" this back.
-
-Eviction compares float priority (equal never
-evicts); fix the pool citation to `PlaySoundInternal @ 0x0054FEC0`.
-Keep the squared-volume quirk faithful (register row if we later soften
-it). Map settings: Master (ours, AL listener gain) + Effect + Ambient +
-Interface mirroring retail's knobs; note interface is read by no retail
-path (we wire it to the UI bus anyway — divergence row, deliberate).
-
-Acceptance: unit tests on gain/pan tables (golden distances from lane 1
-note); **user listening gate** — side-by-side with retail: walk away from
-a blacksmith's hammering, confirm matching fade-out distance (~94 m) and
-pan behavior.
-
-### A3 — Server sound path (0xF750)
-
-Parse `Sound` (guid, SoundType u32, volume f32) in the message router;
-route to a new `ServerSoundController`: resolve guid → entity; unknown
-guid ⇒ queue the event and replay on CreateObject (retail
-`CObjectMaint` behavior); known guid without SoundTable ⇒ silent drop;
-play via the SoundTable at the **wire volume** (ignore table volume —
-asymmetric with the hook path, byte-verified). Position at the entity's
-current origin.
-
-Acceptance: wire-format conformance test (three-oracle layout);
-connected gate — melee hits, item pickup/drop, lifestone bind audibly
-fire against ACE.
-
-### A4 — UI + interface sounds (retires TS-54, AP-115's sound half)
-
-Load the ClientUISystem sound table (`GetByEnum` cache 0x22, enum slot 7 —
-resolve the actual DID at port time from `ClientUISystem::GetUISoundTable`).
-Route `PlayUi(SoundId)` through it (delete the no-op). Wire:
-AdminEnvirons 0x65..0x7C → `PlaySoundFromCenter` stingers
-(`WorldEnvironmentController.ApplyAdminEnvirons` already parses them);
-portal enter/exit `UI_EnterPortal`/`UI_ExitPortal`; button/panel cues where
-the retained UI already has command seams; `MediaDescSound` support in
-`LayoutImporter` (DatReaderWriter parses it; interface bus, per lane 6).
-
-Acceptance: connected gate — `@environs` thunder/drums audible; portal
-enter/exit cues audible on recall; **user listening gate** vs retail.
-
-### A5 — Region ambient system (retires TS-29's ambient half)
-
-New `AmbientSoundSystem` (App layer, owned like other world controllers):
-rebuild on objcell change (reuse streaming's cell-transit signal), walk
-the 3×3 ring × 64 cells via the SAME terrain-word decode the scenery
-pipeline uses (`SceneryGenerator`-shared helper), accumulate weight
-(1.0 ≤ 20 m, `(20/d)²` ≤ 120 m) + 8-way bearing, build
-Constant/Intermit instances from `AmbientSTBDesc` (`base_chance == 0` ⇒
-constant — the byte-verified polarity), min-heap of absolute deadlines
-ticked per frame, one-shots through the ambient volume path (squared,
-faithful). ConstantSound non-positional; IntermitSound positioned at
-random accumulated bearing, `min + (max−min)·t²` distance. Teardown on
-world transition via the existing quiescence edge. Indoors: NO ambients
-(retail-faithful); `seen_outside` cells get the outdoor set. Delete
-`StartAmbient`/`StopAmbient` from `IAudioEngine` (wrong shape — looping
-handle API models a mechanism retail doesn't have).
-
-Acceptance: unit tests on weight accumulation + scheduler with a synthetic
-region; **user listening gate** — Holtburg outdoors vs retail side-by-side
-(birdsong/wind character and rough cadence), dungeon silence, ambient
-crossfade walking shore → grass.
-
-### A6 — Deletions, bookkeeping, and the long tail
-
-- Delete `PlayMusic`/`StopMusic`/`MusicVolume` and the `AudioSettings.Music`
- knob (settings migration: drop the field, tolerate old json). Retail has
- no music system; register row NOT needed once the API is gone (nothing
- diverges — absence matches retail).
-- Delete dead `AudioFalloff` (superseded by A2's ported math).
-- r05 doc: SUPERSEDED banner pointing at the six lane notes; corrections
- list from lane notes §12/§13.
-- TS-9 re-scope: 1 MP3 wave in the shipped dats (`0x0A000393`, ~2 s) —
- either a ~50-line managed MP3 decode for one asset or an accepted-loss
- row with the census cited. ADPCM count to be measured the same way
- before deciding.
-- #321: make `DatSoundCache` decode-dedup safe under concurrent access
- (single-flight per wave id) — the full-suite flake.
-- Register sweep: retire AP-28/TS-29/TS-54 rows in their landing slices'
- commits (rule 1); add rows for: interface-volume wired (A2), any
- softened quirk, and anything discovered mid-campaign.
-
-Acceptance: build/test green, register diff reviewed, no orphaned
-API/settings references.
-
----
-
-## Out of scope (explicitly)
-
-- Client-local physics sounds (collision/jump/water) — retail has none;
- the server sends them. Do not invent.
-- Indoor ambient beds — retail is silent indoors.
-- A music system — retail has none. (If we ever WANT music, that's a
- new-feature decision for the user, not parity work.)
-- HRTF/doppler/reverb — no retail counterpart.
-
-## Rollback
-
-Each slice is one commit (A6 possibly two); rollback is `git revert
-`, recorded in this doc's ledger as slices land. A2 and A5 are
-the only slices touching frame-loop code paths; both are behind the
-existing audio-availability guard, so `ACDREAM_NO_AUDIO=1` remains the
-global kill switch.
-
-## Ledger
-
-| Slice | Status | Commit | Gates |
-|---|---|---|---|
-| A1 | **COMPLETE** 2026-08-08 | `c69b3bde` | 42 Core audio tests; full Release suite 11,563 passed / 4 skipped / 0 failed. Closes #355. |
-| A2 | **COMPLETE** 2026-08-08 | `e42b9948` | 118 Core audio tests (mixer + voice pool + cookbook); full Release suite 11,639 passed / 4 skipped / 0 failed. Opus review run and applied — 2 HIGH (pan-law saturation, stale `FUN_00550ad0` header), 5 MEDIUM (untested clamp order / pan truncation / voice pool, dead `PlayingGain`, duplicated heading helper), 5 LOW. Retires AP-28; files AP-173, AP-174, TS-64, TS-65. **Owed: user listening gate.** |
-| A3 | **COMPLETE** 2026-08-08 | `8bc458fb` | 14 wire-conformance tests + 5 controller tests; full Release suite 11,658 passed / 4 skipped / 0 failed. **Owed: connected gate** (melee hit / pickup / lifestone audible against ACE). |
-| A4 | **COMPLETE** 2026-08-08 | `6eaa490b` | UI bank DID resolved from the dats (`0x2000004B`, content-verified: exactly the 32 `UI_*` slots) + 21-case environ table, 30 new Core tests; full Release suite 11,691 passed / 4 skipped. Retires TS-54; narrows AP-115 to notice-only. **Owed: connected gate** (`@environs` thunder + recall cues audible). **Suite note:** two load-dependent measurement flakes were observed on separate full-suite runs (`RuntimeCollisionReportingStateTests.WarmedSteadyContactRefreshDoesNotAllocate`, and one unnamed Core.Net test); both pass in isolation and neither touches audio. |
-| A5 | **COMPLETE** 2026-08-08 | `7c4dd1ad` | 46 ambient conformance tests; full Release suite 11,739 passed / 4 skipped. Opus review run and applied — it caught a FATAL frame bug (cell offsets built in absolute world coordinates while the listener is in the streamed frame: every contribution culled at ~32 km, feature silent with no error), a per-entry vs per-cell denominator error that would have pushed multi-entry beds under the audibility floor, an infinite loop on a zero play-rate, and newly-audible ambients not firing until a full period later. Also moved beds onto retail's single 16-voice priority pool and made the in-block direction test XY-only. Retires TS-29; files TS-66 (`seen_outside` interiors), TS-67 (in-plane weight). **Owed: user listening gate.** |
-| A6 | **COMPLETE** 2026-08-08 | `dd2cb92b` | Full Release suite 11,739 passed / 4 skipped. Deleted the music API (`PlayMusic`/`StopMusic`/`MusicVolume` + the `AudioSettings.Music` knob); exposed the Ambient slider now that A5 drives it; reset the invented 0.8 ambient default to retail's 1.0; SUPERSEDED banner on `r05-audio-sound.md` listing its five wrong sections; TS-9 re-scoped to the measured one-wave blast radius. **Deferred:** #321's decode-dedup race (a pre-existing concurrency flake, not audio-parity behaviour — not fixed speculatively without reproducing it). |
-
----
-
-## CAMPAIGN CLOSEOUT (code-complete 2026-08-08)
-
-Six slices, six commits, `c69b3bde` → A6. The full Release suite ends at
-**11,739 passed / 4 skipped / 0 failed**, up from 11,563 at campaign start;
-the audio subsystem went from 42 tests (one of which pinned the wrong model)
-to ~215 conformance tests written against byte-decoded values.
-
-**What was wrong, and is now right:**
-
-| Was | Now |
-|---|---|
-| Probability treated as a selection weight, and skipped entirely for the 4,183/4,184 single-entry sounds | Retail's uniform `(n−1)` pick plus an independent Bernoulli silence gate |
-| OpenAL 3-D spatialization, `2/d` falloff, no cutoff | Retail's CPU 2-D model: `25·vol/d²` past a 5 m knee, −50 dB no-allocate floor (~94 m), ±15 dB sine pan with a 5 m dead zone |
-| Voices evicted by gain | Evicted by DAT-authored float priority, strictly-less, ring order |
-| `0xF750` unparsed — every server cue silent | Parsed, guid-queued-and-replayed, played at the wire volume |
-| No interface sound bank | Bank DID resolved from the dats' EnumIDMap chain; portal cues + 21 AdminEnvirons stingers live |
-| No ambient system at all | Region-authored, per-land-cell, 3×3 ring, deadline-queue one-shots with terrain crossfade |
-| A music API | Deleted — retail has no music system |
-
-**Process notes worth carrying forward:**
-
-1. **Binary Ninja could not be trusted anywhere in this subsystem.** Five
- float compares render inverted or with elided constants; `GetAttenuation`
- prints `* 0f`, which ports as silence at every distance. Every load-bearing
- value here came from byte-decoding the PDB-paired binary. The lane notes
- record the verified values; a future reader should decode rather than
- re-read the pseudo-C.
-2. **Two research notes were wrong and were corrected in place** — lane 1's
- 30 m decibel row (contradicted its own gain column) and lane 5's
- transposed `GetByEnum` arguments (which would have made the UI bank
- unresolvable). Both were caught by recomputing rather than copying.
-3. **The reviews earned their cost.** A2's review caught a pan mapping that
- saturated to full separation where retail gives 15 dB. A5's caught a
- coordinate-frame error that would have made the entire ambient system
- silent with nothing logged — the tests passed, the build was green, and it
- would have failed only at the listening gate.
-4. **An architecture guard caught a design error the tests could not**:
- `ExtractedUpdateOwners_DoNotRetainAnonymousCallbacks` rejected an
- `Action` frame hook and forced the typed `IAmbientFramePhase`.
-
-**A4 correction (2026-08-08, from a user question):** the enter cue was hung on the
-`EnterTunnel` event — the first tunnel-family frame — instead of the sequencer's
-`PlayEnterSound`, which is `Begin()` and is what retail's
-`BeginTeleportAnimation` @ `0x004D638E` plays. That delayed it by a whole
-TunnelFadeIn. Both cues now fire on the sequencer's own dedicated sound events
-(`PlayEnterSound` had been emitted and dropped by every consumer since R6), and
-`PortalCues_FireOnTheSequencersOwnSoundEvents_NotOnTheTunnelVisuals` pins the
-moments. The exit cue was already correct.
-
-**Listening-gate round 2 (2026-08-08, inn-chatter finding):** interior
-soundscapes (inn talk-and-laughter) are NOT dat-authored — proven by three
-installed-dat scans pinned in `EnvCellSoundEmitterInventoryTests`: no interior
-static carries an ambient-slot table, no Setup in the whole portal dat
-references one, yet 23 ambient-only soundscape banks exist. They are
-WIRE-BOUND: the server attaches them to emitter objects and fires the slots
-over 0xF750 (ACE: `EmoteType.Sound` heartbeat emotes). Our A3 path is the
-receiver and is live; a probed session (`ACDREAM_PROBE_SOUND_WIRE=1`)
-received ZERO 0xF750 events across a town walkabout, so the silence is ACE
-world-content, not a client drop. Also added this round: `Ctrl+M` instant
-mute (`AcdreamToggleAudioMute` → AL listener gain, unused since A2 — silences
-playing voices immediately without touching the retail mixing math or any
-persisted setting).
-
-**Still owed:** the user listening gate (A2 falloff, A4 cues, A5 ambients) and
-the connected gates for A3/A4. Open rows: AP-173, AP-174, TS-64, TS-65, TS-66,
-TS-67, TS-9 (re-scoped), #321.
diff --git a/docs/plans/2026-08-09-chat-parity-campaign.md b/docs/plans/2026-08-09-chat-parity-campaign.md
deleted file mode 100644
index fcf3dd12..00000000
--- a/docs/plans/2026-08-09-chat-parity-campaign.md
+++ /dev/null
@@ -1,1126 +0,0 @@
-# Campaign CH — chat & interface-text retail parity
-
-**Status:** USER-GATE PASSED — CAMPAIGN CLOSED 2026-08-10. Five connected
-gate rounds (2026-08-09/10) iterated colors, SpewBox, side channels,
-commands, the window shell, and the retail text style to user acceptance
-(round 5: "Good, looks good now"). Carried tail: #366 (unseen-text
-indicator), #369 (floaty send channel), AP-177 (SpewBox line lifetime),
-AP-190 (opacity ease), AP-191 (transcript tag colors), and the round-5
-review's S1/S2/S3 follow-ups (per-block outline hoist, non-UiText outline
-paths + register row, reconciliation hex citation) — queued as post-close
-polish.
-
-**Why now:** first track of the alpha-release program (chat is the most
-visible daily surface for the friend-alpha). User-directed 2026-08-09.
-
-## Scope
-
-Four deliverables, one campaign:
-
-1. **Exact chat colors.** The 2026-06-16 cdb session pinned the retail
- `RGBAColor` constants (0x81c4a8+), but only 4 of ~13 kinds were mapped
- with confidence; the type→color lookup table
- (`ChatInterface::BuildChatColorLookupTable @ 0x4f31c0`) was never
- decompiled. This campaign pins the COMPLETE table and conforms
- `ChatWindowController.RetailChatColor` to it.
-2. **Working side channels vs local ACE.** Turbine rooms (General / Trade /
- LFG / Roleplay / Society) and the legacy family (/f /a /m /p /v /cv),
- inbound and outbound. The 26-day-old "ACE doesn't run a TurbineChat
- server" claim is under verification — the research lane reads current
- ACE source rather than trusting it.
-3. **Retail's on-screen interface text.** The transient yellow
- top-of-viewport messages (jump-while-airborne being the canonical
- example) that retail does NOT put in the chat window. Routing table
- (on-screen vs chat vs both), presentation (color/duration/fade as far
- as acclient-side data allows — the draw itself lives in keystone.dll),
- and the client-raised local errors.
-4. **Complete `/` and `@` command registry.** Every command the retail
- client parses, audited against `RetailClientCommandCatalog` (the
- 2026-07-13 family port is the baseline, not a restart). Missing
- commands implemented; non-retail verbs remain ACE server-passthrough
- per the command ownership rule (2026-07-13).
-
-**Out of scope:** retail's secondary/floating chat windows and per-window
-filter masks (post-alpha polish unless a slice lands it for free); chat
-color user-configurability (we ship retail defaults); TurbineChat server
-emulation (ACE-side).
-
-## Method
-
-Per CLAUDE.md: grep `docs/research/named-retail/` first; cdb only where
-static decomp is insufficient; cross-check ACE + holtburger; conformance
-tests pin every table (colors, routing, command catalog); divergence
-register rows land in the same commits; build + full Release suite green
-per commit.
-
-**Model split (user-directed 2026-08-09):** research on Opus; planning by
-the main loop (Fable); implementation slices on Sonnet; every slice gets a
-dual-lens Opus review — retail faithfulness AND architecture — before its
-gate.
-
-## Research lanes (all Opus, parallel, read-only)
-
-| Lane | Output doc | Question |
-|---|---|---|
-| R1 command registry | `docs/research/2026-08-09-chat-retail-command-registry.md` | Complete retail verb/alias/handler table + acdream audit |
-| R2 interface text | `docs/research/2026-08-09-chat-retail-interface-text.md` | What draws the yellow text, the routing table, client-raised errors |
-| R3 color table | `docs/research/2026-08-09-chat-retail-color-table.md` | Full BuildChatColorLookupTable decompile + wire→type→color trace |
-| R4 side channels | `docs/research/2026-08-09-chat-side-channels-vs-ace.md` | Per-family defect diagnosis vs current ACE source |
-
-## Slices (provisional — finalized when research lands)
-
-Ordering rationale: colors first (small, immediately visible, zero wire
-risk), then interface text (new presentation subsystem), then side
-channels (wire work, needs the connected gate), then command breadth,
-then closeout. Slices touching shared chat files run serially — one
-implementer per slice against a pinned contract (per
-`feedback_dont_parallelize_coupled_plan_slices`).
-
-- **CH1 — exact color table.** Conformance test pins every enum entry to
- its retail RGBA; `RetailChatColor` corrected; register rows for any kind
- we cannot yet receive on the wire.
-- **CH2 — on-screen interface text.** New presentation owner (App layer,
- retained-UI or TextRenderer HUD path per research recommendation);
- routing per retail's table; client-raised local errors ported at their
- retail raise sites; keystone-owned presentation unknowns get register
- rows.
-- **CH3 — side channels.** Fix list from R4; connected two-way gate
- against local ACE (send + receive per family); self-echo semantics per
- `ChatChannelInfo.IsSelfEchoChannel`.
-- **CH4 — command registry completion.** Catalog conformance test pins
- acdream's table against the retail registry enumeration; missing
- commands implemented family-by-family.
-- **CH5 — closeout.** Register sweep, ledger flip, ISSUES updates,
- in-client test script for the user gate.
-- **CH6 — chat-window shell parity — all three sub-slices CODE-COMPLETE
- 2026-08-10, pending the connected user gate (filed 2026-08-09 at user
- gate round 1; research complete:
- `docs/research/2026-08-09-chat-retail-window-shell.md`).** Three
- sub-slices:
- - **CH6a — correct main-window import + resize.** Swap the wrong
- LayoutDesc `0x21000006` for retail's `0x2100006F` and delete the
- downstream compensations (hand-cropped 490px ContentWidth, dropped
- 800px resize bar, the 9px transcript patch, orphan-sibling pruning);
- teach `LayoutImporter` element type 9 (`UIElement_Resizebar`, 8
- authored grips: 4 edges + 4 corners via bools 0x2A–0x2D); fix the
- resize mask that excludes Top. Expected to also clear the round-1
- artifact report. **User gate round 2 (2026-08-09) added two more
- symptoms to fold into this same slice:** resize has no diagonal
- (corner) cursor feedback — only edge cursors show, the 4 corner grips
- from the 8-grip authored set above have no matching cursor affordance
- yet; and the window cannot grow in the Y axis when dragging from the
- bottom-right corner (a corner-grip axis-composition bug, likely the
- same resize-mask gap already scoped for the Top edge above, now
- confirmed to also affect corner grips specifically).
- **CODE-COMPLETE `1fd51543`.** The wrong layout swap, the 8-grip
- `LayoutImporter`/`UiResizeGrip` port, and both round-2 symptoms landed
- together: the real DAT ground-truth (`0x2100006F` lives in
- `dats.Local`, not `dats.Portal`) showed the top strip is authored as a
- Type-2 Dragbar, not an 8th Resizebar grip as the research doc's
- decomp-only reading assumed — `UiRoot` now gives a directly-hit grip's
- own edges priority over its generic proximity heuristic, and a
- directly-hit move handle the same priority over ambient proximity, so
- the plain top strip moves the window while its two corners (which ARE
- grips) resize it including the Y axis, matching retail exactly. The
- diagonal-cursor gap needed no new cursor plumbing —
- `CursorFeedbackController`/`RetailCursorCatalog` already had the exact
- DAT-matching Type-9 cursor ids pinned; they just never received a
- genuine diagonal edge combination before. The corner-grow gap
- dissolved with the `RetailWindowChrome.Imported` mount (0x2100006F's
- own border art IS the window chrome — no nine-slice wrapper, no
- content crop, frame==content) using the DAT's real
- minH=100/maxH=2000/minW=300/maxW=2000. The originally deferred AP-185
- `_Locked` cosmetic border-art swap was subsequently ported through the
- shared registered-window lock presenter on 2026-08-20.
- - **CH6b — floating windows 1–4.** Mount `0x2100005B` ×4 as
- always-resident children per `gmGamePlayUI::SetupChildren
- @0x004E9EC0` (ids 0x10000505/0x1000050E/0x1000050F/0x10000510);
- keybind actions `ToggleFloatingChatWindow1..4` (retail defaults at
- `retail-default.keymap.txt:150-153`) through the dispatcher; the
- main window's 1/2/3/4 buttons are one-directional state mirrors
- (`gmMainChatUI::RecvNotice_SetPanelVisibility @0x004CCD80`), not
- the toggle; per-window PostInit filter defaults (color research §4)
- with the `windowId == m_eWindowID OR (windowId==0 && TypeIsActive)`
- display rule.
- **CODE-COMPLETE 2026-08-10 (this commit — hard constraint: no
- subagents, no client launches).** `ChatWindowState` (Runtime, borrowed
- from `RuntimeCommunicationState.ChatWindows`) owns the exact
- PostInit-default filters + open flags for ids 0-4 and the full
- `ShouldDisplay(windowId, targetWindowId, logTextType)` predicate;
- `FloatingChatWindowController` (new sibling to `ChatWindowController`,
- sharing the wrap/color algorithm via the new `ChatTranscriptRenderer`)
- binds all four windows, each importing its own widget tree from one
- shared `0x2100005B` `ElementInfo` parse. The keymap default confirmed
- **Alt+1..4** (`MetaKeys` index 3 = `0x00000004`, cross-checked against
- the file's own Alt+A/D strafe and Alt+Enter/Tab/F4 rows — `KeyBindings`
- already carried this binding since Phase K.1c). A direct decomp read of
- `gmMainChatUI::ListenToElementMessage @0x004CDA80` (the only function
- in the binary that branches on a click message) settled the
- button-mirror-vs-toggle question the research doc had left as a
- hedge: **the four indicator buttons carry NO click handler in
- retail** — `ChatWindowController.SetIndicatorOpen` ports this as a
- pure one-directional mirror, no `OnClick`. `RetailUiRuntime.
- OnWindowVisibilityChanged` is the single chokepoint that both syncs
- `ChatWindowState.SetOpen` and calls the indicator mirror, regardless
- of what changed a window's visibility (keybind, close button, or a
- restored layout). Geometry + open/visible persist for free through
- the existing `RetailWindowLayoutPersistence` path once each window
- registers under its own `WindowNames` entry; the filter masks get a
- dedicated local `ChatSettings` round-trip (register row AP-187 — no
- retail `0x1000008C` wire yet). One approximation, register row
- AP-188: a floaty window's entry field always sends on `Say` (no
- talk-focus menu is authored on `0x2100005B`, and whether retail's
- ACTUAL send path reads a per-window or a shared globally-current
- channel is unconfirmed). Full Release suite 12,392 passed / 4
- skipped / 0 failed.
- - **CH6c — opacity.** Implement `UiRenderContext.AlphaMod`
- consumption (whole-composited-window alpha per
- `ChatInterface::SetOpacity @0x004F3120`); the two GLOBAL retail
- options `0x10000080` (unfocused) / `0x10000081` (focused,
- active >= default); retail defaults now, the user-facing Settings
- slider in the settings track. Persistence: local settings first —
- the retail per-window option array `0x1000008C` is stored by ACE as
- an opaque byte[] it never parses, so the wire format is its own
- deferred slice.
- **CODE-COMPLETE 2026-08-10 (hard constraint: no subagents, no client
- launches).** The sprite/rect chokepoint (`UiRenderContext.ApplyAlpha`) had
- quietly existed since `1da697ec`, well before CH6 — the gap was narrower
- than the plan assumed: `DrawStringDat`/`DrawString` still passed
- `applyAlpha: false`, so text stayed sharp over a translucent window;
- CH6c routes both through `ApplyAlpha` too, matching retail's
- whole-surface `SetOpacity` fade. `RetailWindowOpacityController`
- (new, `src/AcDream.App/UI/RetailWindowOpacityController.cs`) subscribes to
- a new `RetailWindowManager.WindowRegistered` event and drives every
- registered window's live `Opacity` from keyboard-focus state — deliberately
- EVERY window (chat, floaties, vitals, toolbar, ...), not just retail's
- `ChatInterface`-scoped mechanism (register row AP-190, retiring the stale
- AP-40 "fixed 0.75, no focus transition" row in the same commit). Verified
- retail defaults from the decomp (constructor-literal, no cdb needed):
- the base `ChatInterface` ctor sets DefaultOpacity=0.5/ActiveOpacity=1.0,
- which the four floating windows keep unmodified, but `gmMainChatUI`'s own
- ctor overrides the main window to 1.0/1.0 (always fully opaque); acdream
- ships ONE shared global default (the base 0.5/1.0) rather than
- replicating the per-class override — also AP-190. The linking invariant
- (raising default above active drags active UP; lowering active below
- default drags default DOWN — never a clamp) is decomp-verified and ported
- as `ChatOpacityLink` in `AcDream.UI.Abstractions`, shared by the live
- controller and the Settings → Chat tab's two new linked sliders
- (`SettingsPanel.RenderChatTab`). Persistence: `ChatSettings.DefaultOpacity`/
- `ActiveOpacity` round-trip through `SettingsStore`; Save pushes both
- through `IRuntimeSettingsTargets.SetChatOpacity` into the live controller —
- no restart. Rider (CH6a/b re-review): strengthened the grip-media
- regression guard past a bare `SpriteFile != 0` check —
- `ChatLayoutConformanceTests` now drives each live grip through a real
- `UiRenderContext`/`TextRenderer` (backed by the in-memory
- `RecordingGpuDevice` test double) and asserts the draw call chain actually
- queued sprite geometry, via a new `TextRenderer.DebugSpriteSegments`
- test-only accessor. Full Release suite 12,459 passed / 4 skipped / 0
- failed (baseline 12,420/4/0).
-
-## Gates
-
-- Per slice: `dotnet build` green, full Release suite green, conformance
- tests, register rows same-commit, Opus dual review resolved.
-- Campaign: user in-client gate — colors side-by-side vs the retail
- client, each side channel spoken + heard, on-screen text provoked live
- (jump in air), command spot-checks. Test script delivered at CH5.
-
-## Ledger
-
-| Slice | Commit | Suite | Review | User gate |
-|---|---|---|---|---|
-| R1–R4 research | `see docs/research/2026-08-09-chat-retail-*` | — | — | — |
-| CH1 colors | `172c6f9a` | 11,835 passed / 4 skipped / 0 failed | APPROVE-WITH-FIXES; fixed `34d8a3c0` | pending |
-| CH2 interface text | `77c8296e`, reworked `e0e78883` | 11,916 passed / 4 skipped / 0 failed | REJECT → reworked `e0e78883` → re-review APPROVE-WITH-FIXES → nits `233c30d1` | pending |
-| CH3 side channels | `614a1e05` | 11,964 passed / 4 skipped / 0 failed | APPROVE-WITH-FIXES; fixed `e07fba57` | pending (connected gate — see handoff below) |
-| CH4 commands | `090825e7` | 12,221 passed / 4 skipped / 0 failed | REJECT; fixed `724ef2d3`; re-review APPROVE-WITH-FIXES; closed `5d247d55` | pending |
-| CH5 closeout | `38f0c0de` | — (docs/memory only, no build) | — | pending (connected gate — see test script) |
-| User gate round 1 | `47e40900` | 12,221 passed / 4 skipped / 0 failed (baseline; items A–G fixed this commit) | — | items A–G user-gate round 1 fixed; ten findings total, see "User gate — round 1" below |
-| CH6a main-window layout + 8-grip resize | `1fd51543` | 12,317 passed / 4 skipped / 0 failed | pending (no subagent review pass this session — implementer-only) | pending — needs the next in-client round (items H/I round 1, item 6 round 2) |
-| CH6b/CH6c floating windows + opacity | superseded — split below | — | — | superseded |
-| User gate round 2 | `c1f15825` | 12,267 passed / 4 skipped / 0 failed | — | items 2/4/5 fixed this commit, item 3 confirmed-fixed, item 6 folded into CH6a's spec, item 1 NOT reproduced (see "User gate — round 2" below) |
-| CH6a main-window layout + 8-grip resize | `1fd51543`, reworked `1aa77099` | 12,420 passed / 4 skipped / 0 failed | REJECT (docs/research/2026-08-10-ch6ab-review-findings.md, BLOCKER 1) → reworked `1aa77099` | pending — needs the next in-client round to confirm the border/corner art now renders |
-| Jump-in-air root cause (round-2 item 1, resolved) | `a5a7eb4f` | Runtime tests 1,323/0 | — | round-3 probe evidence pinpointed a missing `OnInterfaceText` wire on the production controller-commit path (`RuntimeLocalPlayerMovementState.CommitRuntimeOwnedController`); FIXED, regression test added |
-| User gate round 3 | `98de4f5a` | Debug (all projects): 12,329 passed / 4 skipped / 1 failed (pre-existing #351 Debug-only flake — reproduces identically on the pristine pre-round-3 commit, not a regression); Release (every project reachable while a live `AcDream.App.exe` client — PID 15064, must not be killed per project policy — holds its own Release binaries locked, blocking `AcDream.App`/`AcDream.App.Tests`/`AcDream.Core.Tests` specifically): `AcDream.UI.Abstractions.Tests` (the layer this round's `/help` fix lives in) 867/867, plus `Core.Net.Tests` 823/823, `Runtime.Tests` 1,323/1,323, `Content.Tests` 130/130, `Headless.Tests` 89/89, `Bake.Tests` 15/15, `Cli.Tests` 4/4 — all 0 failed | — | findings (a)-(c) fixed this commit — SpewBox flush-top + retail dat font, `/help`/`/help death` exact retail print sequence (see "User gate — round 3" below) |
-| CH6b floating windows 1–4 | `22020ef2`, reworked `1aa77099` | 12,420 passed / 4 skipped / 0 failed | REJECT (docs/research/2026-08-10-ch6ab-review-findings.md) → reworked `1aa77099` — SHOULD-FIXES 2/3/4/5 + NITs 1-5 applied | pending — no client launches this session (hard constraint); needs the next connected round for keybind/mirror/filter visual confirmation, plus the new 0x2100005B fixture's resolved-type assumptions |
-| CH6c opacity | `a819687c` | 12,459 passed / 4 skipped / 0 failed | APPROVE-WITH-FIXES; fixed this commit — BLOCKER (out-of-box `DefaultOpacity` 0.5→1.0), AP-190 reworded + two new decomp-verified clauses (retail's per-tick ease, retail's entry-field-specific focus predicate), NITs (`UiElement.cs` stale comment, `WindowUnregistered` detach, post-Dispose `Set*` guards, `DrawString`/outline-pass alpha tests) | pending — needs the next connected round for visual confirmation (window fade on focus change, Settings slider live-apply) |
-| Goal-window #363/#367 interface-text seam | `09453eca` | 12,542 passed / 4 skipped / 0 failed | implementer-only, no subagent review this session (hard constraint) | pending — needs the next connected round to confirm the SpewBox now flashes for the reclassified refusals (see "Goal-window follow-up" below) |
-| Consolidated review — retail `/help` Detail extraction, seam wiring test | `f7a6f46b` | 12,553 passed / 4 skipped / 0 failed | APPROVE-WITH-FIXES; fixed this commit — SHOULD-FIX 1 (42 of 47 catalog leaf verbs given retail Detail_HelpType text, 4 confirmed-null, 1 honest UNVERIFIED, retiring the class doc's overclaim), SHOULD-FIX 2 (`ComposedChatViewModelWiresOnInterfaceTextToSpewBox` — the a5a7eb4f defect class had no test), SHOULD-FIX 3 (AP-113 RETIRED — Lifestone's and Marketplace's own bespoke bad-args refusal text recovered byte-exact), SHOULD-FIX 4 (register header's stale 0.5/1.0 sentence corrected), NITs (a)-(d) (`HeadlessDiagnosticWriter` instead of `Console.WriteLine`, bounded non-quiescent-pump liveness diagnostic, hydration test doc-comment contradiction, 0x26 fallback dispatches on its own `Type`) | pending — needs the next connected round to confirm `/help ` now shows retail's exact wording (see "Consolidated review" below) |
-| User gate round 4 — items 3+5 (no meta text, indicator click-toggle) | `5b54387b` | 12,579 passed / 4 skipped / 0 failed | implementer-only, no subagent review this session (hard constraint) | pending — needs the next connected round to confirm `/help channels`/`chatting`/`commands`/`messagetypes` show complete retail text and clicking each indicator button toggles its floating window (see "User gate — round 4" below) |
-| User gate round 4 — items 1+2 (retail two-plane glyph outline, authored SpewBox/chat styles) | this commit | 12,610 passed / 4 skipped / 0 failed | implementer-only, no subagent review this session (hard constraint) | pending — needs the next connected round to confirm the SpewBox's heavy black border and the chat transcript's softer default shade (see "User gate round 4, items 1+2" below) |
-
-### CH4 closeout (2026-08-09)
-
-Full parser-semantics + catalog-breadth pass against
-`docs/research/2026-08-09-chat-retail-command-registry.md`'s complete
-130-registered + 22-fallback = 152-verb enumeration.
-
-**A. Parser semantics** (`ChatInputParser.cs`, `RetailClientCommandCatalog.cs`,
-`ChatCommandRouter.cs`):
-
-1. `:`/`;` emote-prefix rewrite (`OnChatCommand` cases 0x0B/0x0C) — both
- prefixes rewrite identically to `@emote `.
-2. Verb trailing-comma trim (`DoCommand`'s right-trim) applied at every
- verb-lookup site in both the catalog and the parser — `"@f, hi"` ≡
- `"@f hi"`.
-3. `@tell`/aliases now split the target on the FIRST COMMA, not the first
- whitespace token — `"@tell Aunt Agatha, hello"` addresses "Aunt
- Agatha" (previously truncated to "Aunt"). Falls back to the pre-CH4
- whitespace+punctuation-strip split when no comma is present, so
- existing single-word-target muscle memory still works.
-4. The 22 unregistered `ChannelSystem::GetChannelID` fallback tags
- (`av`, `admin`, `sentinel`, `celestialhand`, …) now broadcast for real
- via a new `RetailChannelTagTable` + `SendRawChannelCmd` bypass path,
- reusing the existing `BuildChatChannel` wire builder — no new opcode
- needed.
-
-**B. Binding corrections:**
-
-5. `/g`/`/group`/`/party` → Fellowship (0x800), not General — the live
- correctness bug the doc flagged as Tier-1 #1.
-6. `/rp` → reply alias (confirmed by retail's own help text, "You may
- also use @r or @rp"), not Roleplay. Roleplay keeps `roleplay`/`crp`;
- the non-retail `/role` invention is deleted.
-7. `/allegiance`/`/all` are now `RetailClientCommandCatalog`'s allegiance
- MANAGEMENT command (a new `TryMatchAllegiance` dispatcher), not a
- channel verb. The channel-send verbs stay `a`/`ab`/`guild`/`gu`.
- **Corrected 2026-08-09 at the CH4 REJECT-review (Blocker 1): the
- original implementation above only claimed ownership for the 2 ported
- subcommands (`info`/`hometown`/`ho`) and let every OTHER subcommand
- fall through the unregistered-tag channel-fallback path, which
- broadcast the raw subcommand text to the Allegiance chat channel
- (`0x02000000`) — a real chat-visible bug (`@allegiance boot Bob` sent
- "boot Bob" to allegiance chat). Retail's own `DoAllegiance` claims the
- ENTIRE verb unconditionally: an unrecognized subcommand prints "Please
- see @help Allegiance for more information on how to use this command."
- locally and never reaches `DoChannelCommand` or the server.
- `TryMatchAllegiance` now matches this exactly — it always returns
- ownership for `allegiance`/`all`, showing retail's refusal text for
- any subcommand beyond the 2 ported ones.**
-8. `/house`/`/hou` no longer swallows unrecognized subcommands with a
- local usage error — `TryMatchHouse` returns no match for anything
- beyond `recall`/`re`/`mansion_recall`/`alleg_recall`/`ma`/`abandon`,
- letting it reach ACE.
-9. `@mr`/`@pr` pinned as permanently non-executable
- (`MrPr_AreNeverExecutable` test) — retail registers them with a NULL
- function pointer; they must never resolve in
- `RetailClientCommandCatalog` or `ChatInputParser`.
-
-**C. New verbs implemented** (real local execution, not passthrough):
-`endurance`, `speaker`, `title` (silent — AP-182, no chrome yet), `chat`,
-`notell`, `join`, `leave`, `permit`, `hslist`, `index`, `clist`, `on`,
-`off`, `alh`/`ah` (+ `@allegiance hometown`/`ho`), `@allegiance info`,
-`@house abandon`; missing-alias sweep (`pkl`, `hou`, `message_types`,
-`msgtypes`, `msg_types`, `rt`, `send`, `whisper`, `w`, `vassal`,
-`covassal`, `co-vassals`, `c`, `fellows`, `group`, `party`, `guild`,
-`gu`, `cg`, `ct`, `clfg`, `crp`, `soc`, `o`, `ab` (already CH3)); the
-non-retail inventions `gen`, `cv`, `lookingforgroup`, `tr`, `role`, `h`
-are deleted. New Core.Net wire builders: `IndexChannels`/`ListChannels`/
-`AddChannel`/`RemoveChannel`/`RecallAllegianceHometown`/
-`AllegianceInfoRequest`/`ListAvailableHouses`/`AddPlayerPermission`/
-`RemovePlayerPermission`/`AbandonHouse` — all parameterless or
-single-field payloads cross-checked against ACE's GameAction readers
-(`references/ACE/Source/ACE.Server/Network/GameAction/Actions/*.cs`), not
-guessed. **Deferred, filed as issues #360/#361/#362 + register rows
-TS-68/TS-69/TS-70:** the ~22 remaining allegiance/house subcommands + the
-standalone `@motd`, the three still-inert pure-local commands
-(`day`/`log`/`render`), and the four unparsed inbound GameEvent responses
-for the new outbound requests.
-
-**D. Conformance:** `RetailCommandRegistryConformanceTests` (new,
-`tests/AcDream.UI.Abstractions.Tests/Panels/Chat/`) enumerates all 152
-verbs from the registry doc, transcribed and cross-checked against the
-doc's own per-section counts (130 = 9+31+20+14+6+7+17+8+18 by section;
-22 fallback tags; totals self-consistent). Per-verb theory test asserts
-Implemented verbs resolve through exactly one of
-`RetailClientCommandCatalog`/`ChatInputParser`/`RetailChannelTagTable`,
-and HelpOnly/ServerPassthrough verbs resolve through NONE of them (so
-they provably fall to ACE passthrough). Two reverse-direction tests
-enforce the ownership rule: nothing in `RetailClientCommandCatalog.
-KnownVerbs` or `ChatInputParser.KnownVerbs` may exist outside this
-registry — a future invented alias fails the build immediately. Final
-tally: **138 Implemented / 5 ServerPassthrough / 9 HelpOnly = 152.**
-
-Suite: 12,190 passed / 4 skipped / 0 failed (Release), up from CH3's
-11,964/4/0 — net +226 tests. (Corrected 2026-08-09 at the CH4
-REJECT-review, item 8: this paragraph originally read "12,026 ... net
-+62 (157 new conformance-family cases plus net test churn)"; the actual
-measured CH4-landing count was 12,190, matching CLAUDE.md's Current
-Suite baseline — only the raw counts are corrected here, the +62/157
-breakdown was not re-derived.) One pre-existing,
-environment-specific Debug-only failure
-(`LandblockBuildOriginTests.FarLoad_StripsEnvCellsAndPhysicsEvenWhenEntityListIsAlreadyEmpty`)
-was confirmed present on the unmodified baseline via `git stash` before
-and after this slice's changes — passes in Release, unrelated to chat.
-
-### CH4 REJECT-review fixes (2026-08-09)
-
-Two blockers, seven should-fixes, and six nits from the CH4 review landed:
-
-**Blockers:** (1) `@allegiance ` for an unrecognized subcommand was
-broadcasting the raw subcommand text to the Allegiance chat channel
-(`SendRawChannelCmd(0x02000000, ...)`) because `TryDispatchChannelFallback`
-only guarded on `ChatInputParser.IsKnownVerb`, and `/allegiance` had been
-deleted from that parser at CH4. Fixed at both ends: `TryMatchAllegiance`
-now claims ownership of `allegiance`/`all` unconditionally (matching
-retail's own `DoAllegiance`, which never falls through to
-`DoChannelCommand`) and shows retail's own "Please see @help Allegiance
-for more information on how to use this command." refusal client-side;
-`TryDispatchChannelFallback` also gained a blanket
-`RetailClientCommandCatalog.KnownVerbs` ownership guard as defense in
-depth for the rest of the catalog. (2) `@house abandon` sent `0x021F`
-immediately with zero confirmation; retail's `DoHouse` abandon branch runs
-a real two-stage dialog ("Do you really want to abandon your house? ..."
-then "Are you absolutely certain you wish to abandon your house? Click
-yes only if you are sure!") before `Event_AbandonHouse()`.
-`ClientCommandController`'s `HouseAbandon` case now chains two
-`ShowConfirmation` calls with retail's verbatim text; `AbandonHouse` only
-fires after both accepts.
-
-**Should-fixes:** a bare unregistered tag with no text (`@admin`) now
-passes through to the server silently, matching retail's `DoChannelCommand`
-returning 0 on `argc<=0`, instead of showing "You must specify the text
-you wish to say!" (that string belongs to the registered-verb-only
-`DoStupidChannelHack`); `@join`/`@leave` now update
-`RuntimeCharacterOptionsState` locally (a new `SetOptionBit` method)
-before the wire push, so `TurbineChatMembershipGate` stops refusing a
-just-joined room without waiting on a fresh `PlayerDescription`;
-`@permit add/remove` now accepts a multi-word name (`>= 2` tokens,
-joins the remainder, matching retail's `JoinArgsAsName`); `@clist`/`@on`/
-`@off` now validate only argument SHAPE (exactly one token) at the
-catalog layer and raise `WeenieError 0x422` ("That channel doesn't
-exist.") for an unresolved tag, instead of silently doing nothing;
-`@mr`/`@pr`'s help text is now the verbatim retail strings from
-`data_7daa08`/`data_7daa80` (previously fabricated acdream summaries),
-and the class doc no longer overclaims every table entry is verbatim
-(the ~35 channel one-liners are acknowledged as acdream summaries);
-issues #360 and register row TS-68 corrected — `@house`'s unported
-subcommands still reach ACE, but `@allegiance`'s now correctly stay
-client-side; the campaign doc's own B.7 note and `RetailChannelTagTable`'s
-stale "IsKnownVerb intercepts them first" comment are corrected to
-describe the catalog-ownership interception path; the ledger suite counts
-above are corrected from a stale 12,026 to the actual 12,190. The
-error-typing debt (~10 new refusal sites at `ClientLocal 0x00` where
-retail types several `0x1A`, plus `DoCommand`'s real `HandleFailureEvent
-(0x26)` bad-args response) was deliberately NOT re-plumbed — filed as
-issue #363 and register row AP-183, CH5-or-later.
-
-**Nits:** `TryMatchHouse`'s doc comment no longer describes a
-local-swallow path that doesn't exist in the code; AP-182 and the
-`SetChatTitle`/`@title` comments across three files no longer claim the
-value is "stored" (the binding is `_ => { }`, a pure no-op) and AP-182
-now lists `DoTitle`'s three omitted failure messages; `RetailChannelTagTable
-.IsUnregisteredFallbackTag` now excludes by TAG STRING instead of channel
-ID, fixing a false-positive on `"olthoi"` (which shares an id with the
-genuinely-unregistered `"ol"` but has its own registered Turbine verb);
-two binding-level conformance pins (`/g`→Fellowship `0x800`, `/rp`→reply)
-were added to `RetailCommandRegistryConformanceTests` so a rebind
-regression fails there, not just a narrower parser test; `@index foo` is
-now accepted (retail's `DoChannelIndex` ignores argc); an ISSUES.md note
-records the six invented verbs (`gen`/`cv`/`lookingforgroup`/`tr`/`role`/`h`)
-removed at CH4 for registry parity.
-
-Suite: 12,216 passed / 4 skipped / 0 failed (Release), up from CH4's
-12,190/4/0 — net +26 tests (new/expanded theory cases across
-`ChatCommandRouterTests`, `RetailClientCommandCatalogTests`,
-`RetailCommandRegistryConformanceTests`, `ClientCommandControllerTests`,
-`RuntimeCharacterStateTests`, and `TurbineChatMembershipGateTests`; no
-tests removed, several renamed/retargeted in place).
-
-### CH4 re-review fixes — closed at `5d247d55` (2026-08-09)
-
-A second, smaller review round found three more should-fixes after
-`724ef2d3` landed: (1) `RetailDialogFactory.CloseDialog`'s queued branch
-ran `DialogDone` — whose callback can synchronously reopen a new dialog
-under the SAME queue key, exactly what the two-stage house-abandon
-confirmation does — then called `OpenNextDialog`, which did an
-unconditional `Dictionary.Add` on a key the reentrant dialog had already
-re-occupied; retail's `HashTable::add` tolerates the duplicate, `Dictionary`
-throws. `OpenNextDialog` now returns early when the queue key is already
-active. (2) `@join`/`@leave` wrote the local `RuntimeCharacterOptionsState`
-bit before sending, but the Settings Chat toggles reached a second binding
-(`SendSingleCharacterOption`) that only sent the wire message, leaving the
-Turbine membership gate stale until the next `PlayerDescription`;
-`LiveSessionRuntimeFactory.CreateCommandBindings` now shares one local
-function for both entrances. (3) TS-68/#360's wording was corrected again —
-retail's `DoAllegiance` dispatcher table EXECUTES the nine
-boot/ban/officer/title/motd/name/lock/house/chat/broadcast subcommands
-locally through their own handlers; acdream shows the unrecognized-
-subcommand refusal for all nine pending the #360 port. What matches
-retail is the ownership rule (the verb never reaches
-`DoChannelCommand`/the server), not the subcommand behavior itself — the
-inaccurate "now matches this" claims were removed from both the register
-row and the issue.
-
-Suite: 12,221 passed / 4 skipped / 0 failed (Release), up from CH4's
-12,216/4/0 — net +5 tests, no removals. This is the CH4 slice's final
-number; the ledger row above and CLAUDE.md's Current Suite baseline both
-carry it.
-
-### CH3 closeout handoff (2026-08-09)
-
-All nine steps of the research doc's §6 fix list landed:
-
-1. **The false "ACE doesn't run a TurbineChat server" claim retracted** in
- `docs/ISSUES.md` (#19) and `docs/plans/2026-04-11-roadmap.md` (I.6, ×2).
-2. **`TurbineChatMembershipGate`** (new, `AcDream.Runtime.Gameplay`) ports
- retail's `SendTurbineChat @0x0057db10` local pre-send gate — Turbine
- off/room-0 → `"Turbine chat is not available."`; Hear-option off →
- `0x0551 YouAreNotListeningTo_Channel` — both raised through
- `RuntimeCommunicationState.AddText`. Wired into BOTH
- `LiveSessionCommandRouter` (graphical) and `DirectGameRuntimeCommandAdapter`
- (headless) so the two hosts can't diverge. `RuntimeCharacterState.IsOlthoiPlayer`
- added (heritage-gated, not an option) for the Olthoi room.
-3. **`SetSingleCharacterOption (0x0005)`** implemented end to end (codec,
- `WorldSession.SendSetSingleCharacterOption`, `IRuntimeCharacterCommands.
- SetSingleOption`, both adapters, `LiveSessionCommandRouter` registration)
- and wired to the 5 Settings Chat toggles via `RuntimeSettingsController.
- SaveChat` (publishes only the CHANGED bits) through a hoisted
- `LiveSessionCommandSurface` now shared with `RuntimeSettingsTargets`.
- No 6th (Allegiance) toggle was added — `ChatSettings` has never had one
- and retail's own Settings UI was not confirmed to have one either; flagged
- for the user rather than guessed.
-4. **`ChatSettings` seeded from server truth** — `RuntimeSettingsController.
- SyncChatFromServerOptions` reseeds both the persisted snapshot and any
- live unsaved draft from `CharacterOptions2` whenever a fresh
- PlayerDescription lands (`LiveCharacterSessionBindings.
- OnCharacterOptionsChanged`, new optional hook).
-5. **Self-echo double-print fixed** — `LiveSessionCommandRouter.
- RouteLegacyChannel` now consults `ChatChannelInfo.Legacy(...).
- IsSelfEchoChannel()`; Fellow/Vassals/Patron/Monarch/CoVassals skip the
- local echo (server resends with `""` sender), AllegianceBroadcast/Say/Tell
- keep it. Existing `TellAndLegacyChannel_PreserveOutboundAndEchoPolicy`
- test corrected to the fixed (single-print) expectation.
-6. **TurbineChat ack HResult surfaced** — `LiveSessionEventRouter.
- RouteTurbineChat` now switches on `Payload.Response{HResult}`; nonzero
- surfaces as a system chat line, zero (the common case) stays silent
- matching retail.
-7. **`/a` routes to Turbine unconditionally** — `ChatChannelKind.Allegiance`
- is exhaustively dispatched to the Turbine pipeline (never falls through to
- legacy); a new `ChatChannelKind.AllegianceBroadcast` + `/ab` verb owns the
- legacy `0x02000000` path retail's own `@ab` verb uses.
- `/allegiancebroadcast` was deliberately NOT added — the retail command
- registry (`docs/research/2026-08-09-chat-retail-command-registry.md`)
- only has `ab`, not that long form.
-8. **Malformed builders resolved** — `SocialActions.BuildSetCharacterOptions`
- (0x01A1, no caller), `BuildAddChannel`/`BuildRemoveChannel` (0x0145/0x0146,
- wrong payload type, no caller) DELETED along with their entire call chain
- (`WorldSession.SendSetCharacterOptions`, `IRuntimeCharacterCommands.
- SetOptions1`, `SetCharacterOptionsRuntimeCmd`) — replaced by
- `SetSingleCharacterOption`, the message step 3 actually needed.
-9. **Register + memory** — AP-181 (no client-side chat spam throttle) and
- UN-9 (an incidentally-discovered, unexplained one-byte
- `CharacterOptions1.Default` mismatch vs ACE's own literal — not
- investigated further, flagged for a future pass) filed in
- `docs/architecture/retail-divergence-register.md`.
- `claude-memory/project_chat_pipeline.md` line ~111 corrected.
-
-**Deviations from the literal ordered list:** none structural; the two
-notes above (no 6th Allegiance toggle, no `/allegiancebroadcast` verb) are
-scope-narrowing decisions made against the retail command registry and the
-existing `ChatSettings` shape, not skipped work.
-
-### CH3 Opus review fixes (2026-08-09)
-
-The review found the CH3 closeout above had three items that no longer
-match the fixed code — corrections, not a rewrite of the historical
-record:
-
-- **Item 5 is now WRONG for AllegianceBroadcast.** ACE's
- `GameActionChatChannel` handler iterates `player.Allegiance.Members` —
- the sender IS a member, so they get their own real-name line back
- through the same broadcast, same as Fellow/Vassals/Patron/Monarch/
- CoVassals (a different mechanism, same self-echo consequence).
- `ChatChannelInfo.Legacy.IsSelfEchoChannel()` now returns `true` for
- `0x02000000` too; `RouteLegacyChannel` skips the local echo for it.
-- **Item 7 is now WRONG.** `/a` is NOT unconditionally Turbine. Retail's
- base binding keeps it on the legacy `AllegianceBroadcast` bitflag until
- `StartupTurbineChatSystem` successfully starts Turbine chat and rebinds
- it (research doc §4.3). `LiveSessionCommandRouter.RouteChat` and
- `DirectGameRuntimeCommandAdapter.TrySendChannel` now special-case
- `TurbineChatState.Enabled == false` to fall back to the legacy send;
- `Enabled == true` with `AllegianceRoom == 0` still correctly refuses
- locally ("Turbine chat is not available.").
-- **Item 9's UN-9 filing was a phantom.** ACE's own
- `CharacterOptions1.cs:47` OR-sum is `0x50C4A54A` (confirmed by its own
- inline comment, `// 1355064650`), identical to acdream's
- `PlayerDescriptionParser.cs:217` — there was never a divergence. The
- wrong literal `0x50C48D4A` existed only in
- `docs/research/2026-08-09-chat-side-channels-vs-ace.md`. UN-9 is deleted
- from the register; AP-181 is rewritten to name BOTH of retail's omitted
- pre-send checks (`IsMessageSafe` silent-drop, THEN `IsMessageSpam`) and
- no longer misattributes either to `RouteLegacyChannel`.
-
-Also fixed this review: `ChatSettings.Default` now matches ACE's real
-`CharacterOptions2.Default` (Roleplay/Society start OFF, not the
-previously-claimed "all on"); `TurbineChatMembershipGate` reuses
-`TurbineChatDisplayNames.Resolve` instead of a second name table; the
-gate-result-to-refusal-text mapping is shared via
-`TurbineChatMembershipGate.ResolveRefusalText` instead of being
-duplicated in both hosts; the `CharacterOptionId` enum in
-`SocialActions.cs` moved below the class so its doc comment re-attaches
-correctly; `docs/plans/2026-04-11-roadmap.md` line ~948 got the same
-TurbineChat-server retraction already applied at line ~429; and the
-register's §3 header count was corrected from a pre-existing off-by-one
-(129 claimed vs 128 actual `| AP-` rows).
-
-**What the connected gate must verify (not run this session — build+test
-only per the CH3 task's hard constraint):** General/Trade/LFG round-trip
-send+receive; Roleplay is now silent-but-correctly-refused until the user
-turns it on via Settings (then works); `/a` with and without an allegiance;
-`/ab`; the legacy family no longer double-prints; the TurbineChat ack
-HResult line never appears on an ordinary successful send.
-
-## User gate — round 1 (2026-08-09)
-
-The user tested CH5's CODE-COMPLETE build live and reported ten defects.
-Items A–G are fixed in this same commit; the last three are out of this
-round's scope and filed as slice CH6.
-
-| # | User finding (condensed) | Disposition |
-|---|---|---|
-| A | Jumping while already airborne never shows retail's "You can't jump while in the air" refusal — the jump block only ever evaluates `input.Jump` inside the grounded-charge or already-charging branches. | **FIXED this SHA.** Rising-edge detection (`PlayerMovementController._prevJumpHeld`) reports `WeenieError.NotGrounded` once per press while airborne; holding the key or the grounded charge/fire path is unaffected. |
-| B | Local system text shows an invented `"[System] "` prefix; retail prints it bare. | **FIXED this SHA.** `ChatVM.FormatEntry`'s `ChatKind.System` case now returns `entry.Text` unprefixed. `[Popup]` is unchanged (AP-175, a deliberate divergent marker). |
-| C | The SpewBox's color doesn't match retail — the user recalls it as the same bright yellow as an incoming Tell. | **FIXED this SHA (color only).** `SpewBoxController.SpewBoxColor` is now the exact pinned value `(1, 1, 0.247, 1)` (`0x81C4C8`, same as `RetailChatColorTable.Yellow`). Size/position/font remain OPEN under register row AP-178 — the user reports all three still differ from retail; user gate round 1: differs, iterating. |
-| D | The portal-space "In Portal Space - Please Wait..." text never shows, and when it does (via #329's 5-second delay) it's the wrong (white) color. | **FIXED this SHA, closes #329.** `PortalTunnelPresentation.TickRotation` now emits the notice unconditionally on every rotation-segment boundary, matching `gmSmartBoxUI::UseTime`'s decompiled `else`-arm exactly (no hold/threshold gate); `PortalWaitNoticeController` now renders it in the same pinned yellow as item C. Register row AP-150 retired. |
-| E | `/hslist villas` (and the other three CH4-added request commands) is accepted server-side but produces no visible response. | **FIXED this SHA, closes #362.** New `ClientCommandResponses.cs` parses and renders `ChannelIndex`/`ChannelList`/`AvailableHouses`/`AllegianceInfoResponse`, each ported line-for-line from the named-retail decomp's inbound handlers. Register row TS-70 retired. |
-| F | Multi-line server text (e.g. `/help`'s reply) doesn't split on embedded `\n` — "probably broken in many places." | **FIXED this SHA.** `ChatWindowController.WrapText` now splits on `\n`/`\r\n` first, then word-wraps each segment independently; the confirmed-correct single-line early-out is unchanged for text with no embedded newline. |
-| G | The chat input line overflows the window's right edge when the window is resized. | **FIXED this SHA.** The input field's right edge no longer holds a fixed absolute pixel position across a resize (retail edge-mode 0's "frozen at current" fallback, or the `AnchorEdges` default with no `Right` bit) — `ChatWindowController.Bind` now upgrades it to retail edge-mode 1 (`UiLayoutPolicy`) or the equivalent `AnchorEdges.Right` stretch, so the right edge tracks every resize instead of only the bind-time/channel-change recompute. |
-| H | Extra/duplicate chat windows appear on number keys 1/2/3/4. | **STILL CH6b** (not this commit) — retail's real floating windows 1–4 (`0x2100005B` ×4) and their `ToggleFloatingChatWindow1..4` keybinds are a separate slice; CH6a only fixed the shell (import/resize) of the main window. |
-| I | Resizing the chat window only works from one corner, not every corner. | **FIXED at CH6a `1fd51543`.** Root cause: the main window imported the WRONG LayoutDesc (`0x21000006`, an unrelated layout whose root/resize-bar appear nowhere in the EoR gameplay UI) instead of retail's real `0x2100006F`; every symptom (crop hacks, the dropped resize bar, the one-corner-only resize) was downstream of that. The swap + a new `LayoutImporter` case for element type 9 (`UIElement_Resizebar`, `UiResizeGrip`) + `UiRoot` grip-priority hit-testing now resize from all 4 edges and all 4 corners, while the top strip (a Type-2 Dragbar, not a grip) correctly remains a move-only affordance. |
-| J | The chat window has transparency issues / visual artifacts, and the user wants a transparency setting eventually. | **Artifacts FIXED at CH6a `1fd51543`** — the reported visual glitches were downstream of importing the wrong LayoutDesc (stray unparented siblings, the hand-cropped content width, the 9px patch); all retired with the correct import, and the two hard-coded translucent-black tints on the transcript/input are removed now that their parent panels draw their own authored background sprites. **Real opacity + the transparency SETTING landed at CH6c** — `UiRenderContext` now applies window alpha to sprite, rect, AND text draws; `RetailWindowOpacityController` drives every window's opacity from keyboard focus; the Settings → Chat tab carries two linked sliders. Pending the next connected round for visual confirmation. |
-
-Findings A–G's evidence: this commit's diff + the new/updated tests in
-`tests/AcDream.Runtime.Tests/Gameplay/PlayerMovementControllerTests.cs`,
-`tests/AcDream.UI.Abstractions.Tests/ChatVMTests.cs`,
-`tests/AcDream.App.Tests/UI/SpewBoxControllerTests.cs` (unchanged; verified
-by inspection — no test pinned the old color),
-`tests/AcDream.App.Tests/UI/PortalWaitNoticeControllerTests.cs`,
-`tests/AcDream.Core.Net.Tests/Messages/ClientCommandResponsesTests.cs`,
-and `tests/AcDream.App.Tests/UI/Layout/ChatWindowControllerTests.cs`. Full
-Release suite green (see the commit message for the exact count). Items
-H/I/J need the next visual round once CH6 lands; A–G still want a final
-in-client eyes-on pass to confirm the fix reads correctly on screen (build
-+ test green is necessary, not sufficient, for a presentation change).
-
-## User gate — round 2 (2026-08-09)
-
-The user tested round 1's fixes live and reported six more findings.
-
-| # | User finding (condensed) | Disposition |
-|---|---|---|
-| 1 | Jumping while already airborne is STILL silent live — round 1's press-edge branch (`PlayerMovementController._prevJumpHeld`) has a passing unit test but never visibly fires in the running client. | **NOT REPRODUCED; NO SPECULATIVE FIX SHIPPED.** Exhaustive static re-audit of the whole live path (branch logic, `_body.OnWalkable`'s single writer — the quantum-loop resolve, driven only by real physics results, never anything else — the exact-once-per-frame `Update()`/`Capture()` call site, `TakeControlFromServer`'s edge-history reset scope, mouse-look's extra `Capture()` calls) found no bug: the mechanism is provably correct BY CONSTRUCTION from source. Attempted a live headless repro (new `jump-probe` bot policy exercising the SAME typed `commands.Movement.SetIntent` surface, real ACE connect at 127.0.0.1:9000) — blocked: `probeaccount2` connects but has NO CHARACTER ("no available characters on account"), and per the task's own constraint the fallback to `testaccount` is refused because the graphical client (PID confirmed running this session) owns that account. Left TWO temporary probes behind a `PhysicsDiagnostics`-family flag (`ACDREAM_PROBE_JUMP=1`, blocked entirely in Headless by the existing multi-session static-state guard, so this is a GRAPHICAL-client-only diagnostic for the next round): `[jump]` in `ReportJumpRefusal` (prints unconditionally, even when `OnInterfaceText` is null, to separate "branch never evaluated true" from "callback dropped it"), and `[jump-tick]` (per-tick trace bracketing every frame where Jump is/was held). Next round: launch with `ACDREAM_PROBE_JUMP=1`, reproduce, and read the console trace — it will show exactly which of the three jump branches fires and what `OnWalkable`/`_prevJumpHeld` were at that instant. |
-| 2 | Retail shows "In Portal Space…" at the TOP of the screen, SMALL font, tell-yellow (the SpewBox) — acdream renders a big centered white/yellow overlay instead. | **FIXED this SHA.** Verified in the decomp: `gmSmartBoxUI::UseTime`'s notice emits via `ECM_UI::SendNotice_DisplayStringInfo(0x1A, ...)`, which forwards to `AddTextToScroll(str, 0x1A, 1, 0)` — type `0x1A` is HARDCODED to the SpewBox (`docs/research/2026-08-09-chat-retail-interface-text.md` §1.1/§4.2), the same surface every other `ClientLocal` refusal (jump-in-air, etc.) already uses. `PortalWaitNoticeController` (the dedicated centered-overlay presentation) and its lease are DELETED outright; `PortalTunnelPresentation`'s round-1 per-rotation-segment emission cadence is unchanged, now writing straight into `RuntimeCommunicationState.AddText(text, RetailLogTextType.ClientLocal)` — the SpewBox's own dedupe-at-index-0 (`SpewBoxState.Tick`) collapses the per-segment repetition exactly as retail's `gmSpewBoxUI::Update` does. No conflict with the decomp — the fix and the user's report agree exactly. |
-| 3 | (Round 1 item B, `[System] ` prefix) | **CONFIRMED FIXED** — no regression, no further action. |
-| 4+5 | `/help` output differs from retail; `/help death` prints an acdream META-MESSAGE ("This is a retail help-topic group; acdream has not yet extracted its exact retail listing text…"); spacing/alignment is off. | **FIXED this SHA via verbatim extraction, not authorship.** `tools/pdb-extract/sweep_weenie_strings.py` generalized to decode narrow `PStringBase` literals (the Help* family's shape) alongside its original UTF-16LE support, then swept every `ClientCommunicationSystem::HelpXxxGroup` function's exact byte extent (read from the pseudo-C's own function-header addresses) against the PDB-paired `C:\Users\erikn\Downloads\acclient.exe` (verified MATCH). 4 of 7 groups (death/status/text/allegiances) are now COMPLETE verbatim listings — `/help death` now prints retail's real 8-line text, byte-exact including the retail-authentic trailing space on the `@day` line. The other 3 (channels/chatting/commands) delegate part or all of their detail text to `ClientCommunicationSystem::HelpStupidChannelHack @0x0056f290`, which builds its output from BN-mislabeled data fragments around a live channel-name lookup — genuinely not decodable with confidence; each keeps its own verbatim summary line plus an explicit UNVERIFIED note citing the address, never a fabricated meta-message. 7 of the ~35 channel one-liners are also now verbatim (a/guild/gu, general/cg, trade/ct, lfg/clfg, roleplay/crp, society/soc, olthoi/o), each including retail's own "Also: @alias" text — this is also the alignment/spacing fix, since the fabricated summaries never matched retail's exact wording. Register row AP-184 filed; ISSUES.md #364 tracks the remaining 3-group gap. `RetailCommandHelpTableTests.cs` (new) pins every complete listing and the partial/UNVERIFIED shape byte-exact. |
-| 6 | Resize is still buggy: missing diagonal (corner) cursor feedback, and the window cannot grow in the Y axis when dragging from the bottom-right corner. | **FIXED at CH6a `1fd51543`.** The 4 corner grips (`0x1000069B`/`D`/`F`, `0x100006A1`) decode retail's exact per-grip `BorderLocation` bools (`0x2A`-`0x2D`) and `UiRoot` gives a directly-hit grip's own edges priority, so `CursorFeedbackController`'s existing (already retail-pinned) `KindForResize` now actually receives a diagonal edge combination when hovering a corner — no new cursor ids were invented; `RetailCursorCatalog`'s pinned Type-9 cursor ids already matched the DAT exactly. The corner-grow gap traced to the same wrong-LayoutDesc root cause as item I: mounting through the universal nine-slice wrapper + a 490px content crop against 0x21000006's own (irrelevant) constraints created an indirection prone to stale-baseline growth bugs; 0x2100006F's root IS the complete retail chrome, so CH6a mounts it with `RetailWindowChrome.Imported` (no wrapper, no crop, frame==content) using the DAT's real `minH=100/maxH=2000/minW=300/maxW=2000`, collapsing the whole class. `ChatLayoutConformanceTests.MountedChatWindow_BottomRightGrip_GrowsBothAxes_NotOnlyShrinks` exercises the exact reported gesture end-to-end. |
-
-Evidence for items 2, 4, and 5: this commit's diff + `tests/AcDream.UI.Abstractions.Tests/Panels/Chat/RetailCommandHelpTableTests.cs` (new) + the deletion of
-`tests/AcDream.App.Tests/UI/PortalWaitNoticeControllerTests.cs` (its subject
-class no longer exists) + `PortalTunnelAssetTests.cs` (unchanged; verified by
-inspection — its `CreateRequired` call never passed the removed
-`displayNoticeLifetime` parameter, so it needed no update). Item 1's evidence
-is negative: no code changed in the jump branch logic itself, only
-diagnostics; the two temporary probes and the `jump-probe` headless bot
-policy are the round's deliverable for item 1, pending either a successful
-next-round repro or a character created on `probeaccount2`. Full Release
-suite green (see the commit message for the exact count).
-
-Item 6's evidence landed in a LATER commit, the CH6a slice itself (see the
-ledger row above): `src/AcDream.App/UI/UiResizeGrip.cs` (new),
-`src/AcDream.App/UI/Layout/DatWidgetFactory.cs` (Type-9 factory case),
-`src/AcDream.App/UI/UiRoot.cs` (grip-priority hit-testing in `OnMouseDown` /
-`HoverResizeEdges`), `src/AcDream.App/UI/Layout/ChatWindowController.cs` and
-`src/AcDream.App/UI/RetailUiRuntime.cs` (the `0x2100006F` swap + `Imported`
-chrome mount), plus new/updated tests in
-`tests/AcDream.App.Tests/UI/Layout/DatWidgetFactoryTests.cs`,
-`tests/AcDream.App.Tests/UI/UiRootInputTests.cs`,
-`tests/AcDream.App.Tests/UI/CursorFeedbackControllerTests.cs`, and
-`tests/AcDream.App.Tests/UI/Layout/ChatLayoutConformanceTests.cs`.
-
-## User gate — round 3 (2026-08-10)
-
-The user tested round 2's fixes live and reported three more findings, all
-presentation. Between rounds, the main session also root-caused round 2's
-open item 1 (jump-in-air silence) from live probe evidence and landed the
-fix at `a5a7eb4f` — see the standalone ledger row above; not repeated here
-since it needed no further work this round.
-
-| # | User finding (condensed) | Disposition |
-|---|---|---|
-| (a) | The SpewBox yellow text is "still not aligned all the way to the top" and not "the correct font and size" (retail's is SMALLER than ours). | **FIXED this SHA.** Two independent sub-fixes, both best-available APPROXIMATIONS (the true retail values remain unmeasurable — `SpewBoxLayoutDumpDiagnostic` re-run this round still finds no `FontDid`/colour property on element `0x10000048` or its ListBox child): **position** — `SpewBoxController.TopOffset` moves from round 1's 60px placeholder to `0` (flush to the viewport top), per the user's explicit direction. **Font** — the controller never wired `DatFont`/`Font` at all before this round, so it silently fell through to the retained-UI host's 15px debug `BitmapFont`; it now resolves retail dat Font `0x40000025` (`MaxCharHeight=11px`) through `RetailUiRuntime.Assets.ResolveFont` (a new public accessor), the SAME memoized resolver the rest of the retained UI uses. `0x40000025` was picked by cross-referencing every currently-imported retail LayoutDesc fixture (`tests/AcDream.App.Tests/UI/Layout/fixtures/*.json`) for the smallest FontDid actually in use — it is 11px, smaller than every other font found (`0x40000000`=16px, `0x40000002`=14px, etc.), confirmed against the installed DAT via `AcDream.Cli dump-font-atlas` sweeping every populated font id `0x40000000`-`0x40000032`. It is ALSO the chat window's own smallest font (the `0x2100006F` floating-window 1/2/3/4 indicator badges use the same id) — both selection criteria the round-3 brief offered landed on the same answer, no tie to break. Register row AP-178 updated (not retired — position/font remain approximations, not resolved retail values; only vertical content flow stays fully OPEN). |
-| (b) | `/help` output is "still not what retail displays". | **FIXED this SHA.** Round 2 extracted the individual STRINGS byte-exact but never traced `ClientCommunicationSystem::DoHelp @0x0057f9e0`'s complete PRINT SEQUENCE, so the bare `/help` listing was still an acdream-invented cheat sheet ("Chat: /say...", "Channels: /general...", etc. — none of it retail text). Traced this round via a byte-sweep of DoHelp's own range (`0x57f9e0`-`0x57fe7e`) plus the five Summary-branch functions it calls into, against the PDB-paired `C:\Users\erikn\Downloads\acclient.exe` (verified MATCH). Retail's real bare-`/help` output is exactly TWO scroll entries — `RetailCommandHelpTable.HelpPrefixNote` (now re-swept with its leading blank line and trailing double newline, previously dropped) then `RetailCommandHelpTable.AvailableHelpListing`, a 13-item straight-line concatenation of retail's real topic-group one-liners (allegiances/channels/chatting/death/emote/fillcomps/friends/house/squelch/status/text/commands) in DoHelp's exact source order — never one concatenated blob. `ChatCommandRouter.EmitBareHelp` now emits two `ShowSystemMessage` calls, matching. The acdream-only `RetailClientCommandCatalog.BuildHelpText()`/router `BuildHelpText()` methods that built the old fabricated listing are deleted outright (dead code once nothing calls them). |
-| (c) | `/help death` is "still not formatted correctly". | **FIXED this SHA.** The CONTENT (`DeathGroupDetail`'s 8 lines) was already byte-exact from round 2 — what was still wrong was the SHAPE. DoHelp wraps EVERY successfully-resolved `/help ` in the SAME two-entry shape as the bare listing: `HelpPrefixNote` as its own entry, then a SECOND entry that is `ForMoreInformationPrefix` ("For more information, type @help .\n" — retail's own literal; "" is NOT a substituted placeholder, confirmed by the absence of any sprintf/substitution call in the decomp) concatenated DIRECTLY onto the verb's own detail text — no blank line, no third entry, because retail's own handler call appends into the SAME string accumulator the prefix was built into. `ChatCommandRouter.EmitVerbHelp` now applies this wrap UNIFORMLY to every resolved verb (both `RetailClientCommandCatalog` and `RetailCommandHelpTable` lookups), not just death — the general fix, not a death-specific patch, per CLAUDE.md's root-cause discipline. An unresolved verb now shows retail's real fallback text, `RetailCommandHelpTable.UnknownCommand` ("Unknown command", swept verbatim) instead of the acdream-invented "No help available for '{verb}'." — this surfaced a SEPARATE finding: retail types this fallback `0x1A` (`ClientLocal`), which routes to the SpewBox exclusively, never the chat window; `ChatCommandRouter`/`ChatVM` live in `AcDream.UI.Abstractions`, a layer beneath Runtime with no SpewBox access, so the fallback still renders in the chat scroll — not a regression (it was already there, just with fabricated text), now tracked as ISSUES.md #367 / register row AP-186 instead of silently continuing unregistered. |
-
-Evidence: this commit's diff + `tests/AcDream.UI.Abstractions.Tests/Panels/Chat/RetailCommandHelpTableTests.cs`
-(new pinning tests for `HelpPrefixNote`, `ForMoreInformationPrefix`,
-`UnknownCommand`, `AvailableHelpListing`, and the router-level `/help death`
-two-entry shape) + `tests/AcDream.UI.Abstractions.Tests/Panels/Chat/ChatCommandRouterTests.cs`
-(updated `/help` tests for the new shape) +
-`tests/AcDream.UI.Abstractions.Tests/Panels/Chat/ChatPanelInputTests.cs`
-(updated entry-count assertions) + `tests/AcDream.App.Tests/UI/SpewBoxControllerTests.cs`
-(new flush-top / resize / font-wiring tests). Debug suite (all projects)
-green — 12,329 passed / 4 skipped / 1 failed, the single failure being
-issue #351 (a pre-existing, load-sensitive Debug-only flake in an
-unrelated streaming test, confirmed reproducing identically on the
-pristine pre-round-3 commit via `git stash`, not a regression from this
-work). Release verification was possible for every project reachable
-without rebuilding `AcDream.App` — a live client process (PID 15064) held
-its own Release binaries locked for the whole session and was not killed
-per project policy (`feedback_dont_kill_clients_before_launch`) —
-including `AcDream.UI.Abstractions.Tests` (867/867, the layer both `/help`
-fixes live in) and every other non-App-dependent test project, all 0
-failed. `AcDream.App`/`AcDream.App.Tests`/`AcDream.Core.Tests` (which the
-SpewBox fix and the SpewBox tests live in) could not be Release-verified
-this session; they are green in Debug.
-
-### Byte-sweep method for findings (b)/(c)
-
-`ClientCommunicationSystem::DoHelp @0x0057f9e0` has two branches
-(`arg2 > 0` = verb specified, `arg2 <= 0` = bare `/help`). Both ALWAYS
-print via exactly two `AddTextToScroll` calls, both typed `0`
-(informational) — never a single concatenated string:
-
-1. The SAME `HelpPrefixNote` line, unconditionally, in both branches.
-2. Bare: `AvailableHelpListing` — 13 items, 8 inline literals DoHelp
- builds itself (allegiances/channels/chatting/death/fillcomps/friends/
- house, plus the header) interleaved with 5 items DoHelp gets by calling
- each group's own `Summary_HelpType` branch (`HelpEmote`/`HelpSquelch`/
- `HelpStatusGroup`/`HelpTextGroup`/`HelpAllGroup` — every one of those 5
- functions has the identical `if (arg2 != Summary_HelpType) {Detail}
- else {"@help X - ..."}` shape `HelpEmote` makes explicit at
- `acclient_2013_pseudo_c.txt:388664`). Verb-specified (verb resolves):
- `ForMoreInformationPrefix` immediately followed (string concatenation,
- no separator) by the verb's own Detail-branch text.
-
-When the verb does NOT resolve, DoHelp instead prints ONE entry,
-`UnknownCommand`, typed `0x1A` — the SpewBox-exclusive routing type CH
-user-gate round 2 item 2 already ported for the portal-space notice.
-
-Tool: `py tools/pdb-extract/sweep_weenie_strings.py
-C:/Users/erikn/Downloads/acclient.exe --range 0x57f9e0 0x57fe7e
---ascii-only --min-len 3` (DoHelp's own range) plus the same tool against
-each of the five Summary-branch functions' own ranges (`HelpEmote`
-`0x578b80`-`0x578c60`, `HelpSquelch` `0x57c190`-`0x57c2d0`,
-`HelpStatusGroup` `0x57c410`-`0x57c5a0`, `HelpTextGroup`
-`0x57c6c0`-`0x57c860`, `HelpAllGroup` `0x57e7f0`-`0x57eba0`), each range
-read from the pseudo-C's own function-header addresses. `check_exe_pdb.py`
-confirmed the candidate binary MATCH before any of this.
-
-### SpewBox font selection method for finding (a)
-
-`AcDream.Cli dump-font-atlas 0x400000XX` (already-existing
-tooling, extended nowhere — used as-is) against every populated font id
-from `0x40000000` to `0x40000032` (38 of 50 candidate ids populated in the
-installed `client_portal.dat`), reading each `Font` DBObj's own
-`MaxCharHeight`/`BaselineOffset`/glyph-table-size fields. Cross-referenced
-against every `FontDid` value appearing in
-`tests/AcDream.App.Tests/UI/Layout/fixtures/*.json` (24 already-imported
-retail LayoutDesc dumps) to find the smallest font id actually CONFIRMED
-in use by any retail UI import acdream has ported, rather than merely
-present in the DAT. `0x40000025` (11px) was both the global minimum across
-those fixtures AND the chat window's own minimum — no tie-break needed.
-
-## CH6a/b REJECT-review rework (2026-08-10)
-
-Applied everything in `docs/research/2026-08-10-ch6ab-review-findings.md`
-under the session's hard constraints (no subagents, no client launches).
-The retail research itself held up under independent re-derivation
-(masks, Alt+1..4, pure-mirror indicators all CONFIRMED); the rework was
-entirely against the FIX list, not the research.
-
-- **BLOCKER 1 (CH6a — invisible borders).** `UiResizeGrip` (`src/AcDream.App/UI/UiResizeGrip.cs`)
- gained a second constructor carrying its `ElementInfo`/sprite-resolve
- pair and an `OnDraw` override that stamps the active DirectState sprite
- exactly like `UiDatElement` — a synthetic (parameterless) grip still
- draws nothing, matching every existing resize-drag unit test.
- `DatWidgetFactory.BuildResizeGrip` now threads `resolve` through.
- `SpriteFile` exposes the raw dat sprite id for conformance tests without
- needing a live GL context; `ChatLayoutConformanceTests
- .MountedChatWindow_LiveGrip_ResolvesNonZeroSprite` pins all seven live
- grips against the committed `chat_2100006f.json` fixture.
-- **SHOULD-FIX 2 (CH6b — window-id model).** `ChatWindowState` gained
- `BroadcastTargetWindow` (a sentinel distinct from every real window id
- `0`-`4`) so `ShouldDisplay`'s explicit-addressing branch can no longer
- coincide with the broadcast check for the main window (id `0`).
- `SetFilter`'s main-window no-op is dropped — the main window's filter is
- now genuinely settable, matching retail's options-page-driven main
- filter. `ChatWindowController.Bind` gained a `ChatWindowState
- windowFilters` parameter (the same canonical
- `RuntimeCommunicationState.ChatWindows` instance the floating windows
- already read) and `GetTranscriptLines` now builds a real accept
- predicate from it instead of `accept: null` — verified safe: `0x1A`
- (`ClientLocal`) never reaches `ChatLog` in the first place
- (`RuntimeCommunicationState.AddText` routes it to the SpewBox and
- returns before `Chat.OnSystemMessage`), so excluding it from the main
- filter has zero effect on WeenieError/refusal text. Every production
- gameplay chat type (Speech/Tell/Social/Fellowship/Allegiance/Turbine
- rooms) stays within the default filter's covered bits. Register row
- AP-189 documents the resulting shallower shared-log scrollback depth
- (SHOULD-FIX 5, below) as the one behavioral residual.
-- **SHOULD-FIX 3 (CH6b — indicator self-toggle).** `UiButton` gained
- `SuppressSelfToggle`, checked alongside `ToggleBehavior` at the
- press-release toggle site; `ChatWindowController.Bind` sets it on all
- four chat-window indicator buttons (which carry DAT property `0x0B` =
- true but have no retail click handler). New `UiButtonTests
- .SuppressSelfToggle_PressReleaseDoesNotFlipSelected` and an extended
- `MountedChatWindow_IndicatorButtons_ImportVisibleAndInert` (now presses
- and releases the real fixture's indicator, asserting `Selected`
- unchanged) replace the "wrong level" `OnClick == null` check.
-- **SHOULD-FIX 4 (CH6b — 0x2100005B never dumped).** The floaty layout
- DAT dir at `%USERPROFILE%\Documents\Asheron's Call\` (the default
- `ConformanceDats.ResolveDatDir()`/`RetailLayoutFixtureGenerator` path)
- IS reachable in this environment — `chat_floaty_2100005b.json` (171 KB,
- 5,473 lines) was generated for real and committed;
- `RetailLayoutFixtureGenerator.Layouts` gained the permanent entry for
- future regenerations. All three flagged untested assumptions in
- `FloatingChatWindowController` turned out CORRECT against the real
- fixture — no controller code changed: `0x10000016` is Type 12 with
- property `0x16` (Editable) = true, resolving to `UiField`; `0x100004D9`
- is Type 12 with NO `0x16`, resolving to `UiText`; `0x1000052A` is Type 1,
- resolving to `UiButton`. One extra finding beyond the three named
- assumptions: unlike the main window (whose plain top strip is a Type-2
- Dragbar move handle because the main window has no title bar), the
- floaty window's move handle is its own title bar group (`0x10000529`,
- Type 2) — so ALL EIGHT of the floaty's border/corner elements are live
- Type-9 grips, not seven; a floaty window resizes from every edge and
- corner. New `FloatingChatLayoutConformanceTests.cs` pins the resolved
- widget types and extends BLOCKER 1's sprite-non-zero guard to all eight
- floaty grips.
-- **SHOULD-FIX 5 (register row).** AP-189 files the shared-500-entry/
- 200-line-tail vs. retail's per-window 10,000-line log scrollback-depth
- divergence — the accumulate-while-closed and independent-per-window-
- scroll BEHAVIORS both reproduce correctly; only the numeric DEPTH ceiling
- differs.
-- **NITs 1-5.** N1: documented the filter-persistence-only-on-`/saveautoui`
- asymmetry on `RetailUiRuntime.SaveChatWindowFilters`, deferred to CH6e.
- N2: documented why `ChatWindows.ResetToDefaults()` only runs in
- `RuntimeCommunicationState.Dispose` (full teardown), not on reconnect —
- deliberate, matches window-geometry persistence. N3: replaced the §1.3
- UNVERIFIED modifier-mapping hedge and the "`0x00000002` = shift" mislabel
- with `retail-default.keymap.txt`'s own `MetaKeys` legend (Shift=`0x1`,
- Ctrl=`0x2`, Alt=`0x4`, Win=`0x8`) — no code change, `KeyBindings` already
- had `ModifierMask.Alt` right. N4: fixed the false "ONLY function that
- branches on `idMessage == 1`" superlative in §1.4 and
- `ChatWindowController.SetIndicatorOpen`'s doc
- (`gmFloatyChatUI::ListenToElementMessage @0x004CE330` also does); the
- substantive "no case for the indicator ids" claim stands. N5: moved
- `WrapText`/`WrapSingleLine` off `ChatWindowController` onto
- `ChatTranscriptRenderer` (closing the circular dependency where
- `BuildLines` called back into one of its own two consumers); updated the
- two unrelated external callers (`IndicatorDetailText.cs`,
- `ItemAppraisalReport.cs`) and moved the WrapText tests into the new
- `ChatTranscriptRendererTests.cs`.
-
-Full Release suite: 12,420 passed / 4 skipped / 0 failed (baseline
-12,392/4/0 at `22020ef2`; net +28 tests, all new coverage from this
-rework, zero regressions).
-
-## Goal-window follow-up — #363/#367 interface-text seam (2026-08-10)
-
-Closed issues #363 and #367 (register rows AP-183 and AP-186, both
-RETIRED) under the goal-window's hard constraints: no subagents, no
-client launches, one commit.
-
-`ChatVM` (`AcDream.UI.Abstractions`) gained an `OnInterfaceText`
-(`Action?`) init property and a `ShowInterfaceText(text)` method —
-the seam #367's own filing proposed as fix shape (a). The App-layer
-composition (`InteractionRetainedUiComposition.CreateRetainedUi`) wires it
-to `RuntimeCommunicationState.AddText(text, RetailLogTextType.ClientLocal)`,
-the same SpewBox chokepoint every other interface-text producer (item
-examine, magic feedback, the portal wait cue) already uses. Unwired hosts
-(headless has no `ChatVM` at all; plain test fixtures) fall back to the
-ordinary chat log tagged `ClientLocal`, so no text is ever silently
-dropped — only the SURFACE degrades, never the message.
-
-Every site AP-183 named now routes through the seam at its correct retail
-type, cross-checked against the named-retail decomp (5 handlers spot-
-verified: `DoDie`, `DoChannelList`/`On`/`Off`, `DoAllegiance`,
-`DoHouseAvailableList` — all `0x1A`):
-
-- `DoStupidChannelHack` ("You must specify the text you wish to say!") —
- **newly wired**, not merely reclassified: the six legacy channel verbs
- (Fellowship/Allegiance/AllegianceBroadcast/Vassals/Patron/CoVassals)
- previously fell through `ChatInputParser.Parse`'s pure `return null`
- shape with NO message shown at all. New `ChatInputParser
- .IsBareRegisteredChannelVerb` predicate (pure, no side effects) plus a
- `ChatCommandRouter.Submit` check ahead of `Parse`.
-- `DoChannelList`/`DoChannelOn`/`DoChannelOff` ("Please specify the
- channel name.") — reclassified (was already wired via
- `InvalidArgumentsText`, just typed `0x00`).
-- `DoAllegiance` ("Please see @help Allegiance...") — reclassified, same
- shape.
-- `DoHouseAvailableList` — reclassified AND corrected: retail's own
- bad-house-type text is "Please see @help hslist for more information on
- how to use this command" (`acclient_2013_pseudo_c.txt:381481`/`1029383`,
- `AddTextToScroll(..., 0x1a, ...)`), not the acdream-synthesized "Usage:
- /hslist " line the catalog fell back to.
-- `DoReply` ("Someone must @tell you first!") — **newly wired** for the
- message-but-no-last-teller branch only (`gmCCommunicationSystem
- ::GetLastTeller() == 0`). New `ChatInputParser.IsReplyMissingLastTeller`
- predicate. Bare `/r` with no message at all is retail's OWN separate
- copy of the "you must specify text" string (a different call site) and
- is deliberately still unported — not named by AP-183, out of scope.
-- `DoSpeaker`/`DoEndurance`/`DoTitle` — untouched, confirmed still correct
- at `0x00` (their text is produced by `ClientCommandController`, not
- `ChatCommandRouter`).
-
-The generic bad-args fallback is also fixed: `ChatCommandRouter.Submit`'s
-catalog dispatch now resolves `WeenieErrorMessages.Resolve(0x026u, null)`
-("That is not a valid command.", the exact port of `DoCommand
-@0x0057E46D`'s `HandleFailureEvent(0x26)`) instead of synthesizing
-`"Usage: {Usage}"` — the row already carried the `0x026` template from
-CH2's `HandleFailureEvent` port, so no new retail text needed extracting.
-
-This closes #367 too: `ChatCommandRouter`'s two other local-presentation
-fallbacks (`RetailCommandHelpTable.UnknownCommand` in `EmitVerbHelp`, and
-the degenerate-prefix "Unknown command: {verb}." refusal in `Submit`'s
-main body) now call `ShowInterfaceText` instead of `ShowSystemMessage`.
-The test-script doc (`docs/research/2026-08-09-campaign-ch-test-script.md`)
-is updated to drop the "known, tracked gap" notes for both — the next
-connected round should observe both fallbacks flash on the SpewBox instead
-of landing in the chat window.
-
-Tests: per-site routing pinned both ways (seam wired → reaches the
-SpewBox capture; seam unwired → falls back to chat, tagged `ClientLocal`)
-for every reclassified/newly-wired site in
-`tests/AcDream.UI.Abstractions.Tests/Panels/Chat/ChatCommandRouterTests.cs`,
-plus a Turbine-only-channel negative case and a 0x00-site-stays-in-chat
-sanity check; pure-predicate coverage for `IsBareRegisteredChannelVerb`/
-`IsReplyMissingLastTeller` in `ChatInputParserTests.cs`; the seam itself
-in `ChatVMRetellAndProvidersTests.cs`.
-
-Full Release suite: 12,542 passed / 4 skipped / 0 failed (baseline 12,466/4/0
-at `ff2784ea`; net +76 tests, all new coverage from this follow-up, zero
-regressions). No subagent review this session (hard constraint); no
-connected user gate (hard constraint — no client launches). The next
-connected round should confirm: bare `/g`/`/a`/etc. now flash the SpewBox
-red instead of doing nothing; `/hslist badtype` and a bad-args catalog
-command (e.g. `/ls now`) now flash red SpewBox text instead of showing a
-green "Usage:" line in chat; `/help nonsenseverb` and a bare `/`/`@` now
-flash on the SpewBox instead of appearing in the chat scroll.
-
-## Consolidated review — goal-window round (2026-08-10)
-
-Applied the consolidated-review findings against the `09453eca` goal
-window under the same hard constraints (no subagents, no client launches,
-one commit). Baseline `03404b71`, full Release suite 12,542/4/0.
-
-**SHOULD-FIX 1 — retail `/help ` Detail extraction.** Retail's
-`DoHelp @0x0057F9E0` calls a resolved verb's OWN registered help callback
-with `Detail_HelpType(2)`, never `Summary_HelpType(1)` —
-`RetailClientCommandCatalog`'s ~45 leaf Definitions were all showing their
-acdream-authored Summary-shaped `HelpText` for `/help ` instead.
-Located every `Help*` handler by name in `acclient_2013_pseudo_c.txt`,
-swept its exact byte extent for `push imm32` string literals against the
-PDB-paired `C:\Users\erikn\Downloads\acclient.exe` (verified MATCH), and
-confirmed each Detail-vs-Summary branch assignment by reading the actual
-decompiled if/else shape — address order and string length both proved
-UNRELIABLE indicators on their own (HelpDie's Detail sits at the HIGHER
-address, HelpCorpse's at the LOWER; the "longest text" heuristic held for
-every simple 2/3-branch case but AFK/Emote/Squelch turned out to
-CONCATENATE multiple literals within one branch instead). Found and fixed
-a real tool gap along the way: `sweep_weenie_strings.py`'s stock 800-char
-cap silently dropped several longer Detail branches as a bare `None`
-(HelpConsent 978 chars, HelpFillComponents 1036, HelpEndurance 2459) — a
-custom unbounded pass recovered them.
-
-`InitializeCommands @0x00581970`'s registration blocks always render the
-CmdHashData help-pointer 4th argument as a literal `nullptr` in Binary
-Ninja's pseudo-C — a confirmed, systematic decompiler artifact (the real
-pointer is stored to a throwaway local immediately before the constructor
-call, which BN fails to thread through). Reading for the PRESENCE of that
-typed local (vs. a plain `int32_t = 0`) resolved every ambiguous verb:
-hor/hr/hom/hoa and alh/ah share their Detail text with `HelpHouse`/
-`HelpAllegiance` (i.e. `HouseOverview`/`AllegianceOverview`, already
-extracted); friends_add/friends_remove share `HelpFriends`;
-squelch/unsquelch share `HelpSquelch`. Four verbs
-(index/clist/on/off) genuinely have no help pointer — retail's own
-`DoHelp` falls straight to `UnknownCommand` for these, a CONFIRMED
-behavior now reproduced (`RetailCommandHelpTable.CatalogVerbsWithNoRetailHelp`),
-not a guess. `messagetypes`/its 3 aliases stay an honest acdream summary —
-`HelpMessageTypes` builds its text from a live enum table at runtime, not
-a static string. Final coverage (measured by test, not hand-counted): 42
-of 47 distinct catalog leaf Definitions verbatim-extracted, 4
-confirmed-null, 1 unverified.
-
-`ChatCommandRouter.EmitVerbHelp` now checks
-`CatalogVerbsWithNoRetailHelp` → `RetailCommandHelpTable.TryGetCatalogVerbDetailText`
-→ `RetailClientCommandCatalog.TryGetHelpText` (the summary fallback,
-unchanged) → the pre-existing `RetailCommandHelpTable.TryGetHelpText`
-(chat-alias/channel verbs, a disjoint key space). `RetailCommandHelpTable`'s
-class doc, which claimed to cover only verbs the catalog "doesn't dispatch
-directly," is corrected — it now overlaps the catalog's own leaf verbs by
-design. A fresh full-length byte-sweep of `HelpAllegiance @0x0057ae10` (the same
-function `AllegianceOverview` already cites) also turned up one
-previously-dropped line (" WARNING! Officers banning...") the earlier
-extraction missed — now split into `AllegianceWarningLine` and restored
-in place at its correct position (between "ban list" and "info").
-
-**SHOULD-FIX 2 — `OnInterfaceText` production wiring had no test.** The
-a5a7eb4f defect class (a composed hook wired but never transferred) went
-undetected because `InteractionRetainedUiCompositionTests`' `FakeFactory`
-substitutes a stub `ChatVM` for every composition-order test and never
-exercises `RetailInteractionRetainedUiCompositionFactory`'s real wiring.
-Extracted the wiring (`InteractionRetainedUiComposition.cs`, previously
-inline at the line the review cited) into its own testable
-`CreateChatViewModel` method — no GPU/dat/UiHost dependency, so it is
-callable directly against the existing null-heavy test `Fixture` without
-a full `Compose()`. New test
-`ComposedChatViewModelWiresOnInterfaceTextToSpewBox` asserts the hook is
-non-null AND that a `ShowInterfaceText` call actually lands in
-`RuntimeCommunicationState.SpewBox` after a `Tick`.
-
-**SHOULD-FIX 3 — AP-113 RETIRED.** `DoLifestone`/`DoMarketplace
-@0x0056FC70`/`@0x0056FCE0` print their OWN 0x1A string for bad args and
-return 1 — retail never reaches the generic `HandleFailureEvent(0x26)`
-fallback for either. Both literals were mis-attributed by Binary Ninja to
-unrelated vtable-slot symbols (the same pooled-string artifact class this
-campaign has hit before); read directly off the raw `push imm32` operand
-and decoded as UTF-16LE against the PDB-paired binary: `"Please see @help
-lifestone for more information on how to use this command."` and the
-`marketplace` analogue. `RetailClientCommandCatalog.Lifestone`/`Marketplace`
-now carry them as `InvalidArgumentsText`. AP-113 is RETIRED (its only
-named verb, lifestone, now has its exact wording); Marketplace was never a
-filed divergence, so its fix is a plain accuracy improvement alongside it.
-`ChatCommandRouter.cs`'s bad-args comment is corrected to name both
-verbs and state the 0x26 fallback's actual scope (verbs with NO bespoke
-retail refusal, not every bad-args case).
-
-**SHOULD-FIX 4 — register header sentence fixed.** `retail-divergence-
-register.md`'s AP section header still said AP-190 "ships one shared
-0.5/1.0 default rather than gmMainChatUI's per-class 1.0/1.0 override" —
-refuted by `cc582899`, which fixed the shipped default TO 1.0/1.0 (the
-row's own REWORDED (2) already said so; only the header summary hadn't
-caught up). Corrected in place; the active-row count drops to 132 with
-AP-113's retirement.
-
-**NITs (a)-(d).** (a) `HeadlessStaticStateAudit`'s single-session log line
-now routes through the injected `HeadlessDiagnosticWriter` (constructed
-before the audit call in `HeadlessProcessHost`, not after) instead of a
-bare `Console.WriteLine` that bypassed the structured stream every other
-headless diagnostic uses. (b) `HeadlessSessionWorldProjection.PumpFirstEntry`
-gained a bounded, diagnostic-only trip-wire: 300 consecutive non-quiescent
-pumps (generous — many seconds at the host's tick cadence) emit ONE
-message naming the stuck landblock; no retry, no behavior change, the gate
-itself is untouched. (c) The #365 hydration test's doc comment is
-corrected — it claimed reverting the `IsQuiescent` gates makes the
-conductor reach "`PublicationCommitted` — a non-null dormant controller,"
-which contradicts the diagnosis doc's own §8 finding (the controller is
-ALREADY built AND published, `CanExecuteLiveMovement = True`, when the
-assertion actually fails); the comment now also states plainly that this
-bounded xunit test proves the GATE, not the #365 stall's closure — that
-broader claim's evidence is the separate live-ACE run §8 records. (d)
-`ChatCommandRouter`'s 0x26 fallback now resolves
-`WeenieErrorMessages.Resolve(0x026u, null)` once and dispatches on its own
-`Type` field instead of assuming `ShowInterfaceText`'s hardcoded
-`ClientLocal` is correct for it (it is, today — this just stops relying on
-that being an unstated invariant).
-
-Full Release suite: 12,553 passed / 4 skipped / 0 failed (net +11 tests
-from this round, zero regressions; one `LandblockPresentationPipelineTests`
-failure observed on one parallel full-solution run reproduced as PASS in
-isolation and on two subsequent full-solution reruns — pre-existing
-run-order flakiness in an unrelated streaming test, not caused by this
-round's changes). No subagent review this session (hard constraint); no
-connected user gate (hard constraint — no client launches). The next
-connected round should confirm `/help die`, `/help lifestone`,
-`/help endurance`, and a handful of the other 42 newly-extracted verbs
-show retail's exact wording instead of the old acdream summaries, and that
-`/help index`/`/clist`/`/on`/`/off` now show "Unknown command" via the
-SpewBox.
-
-## User gate — round 4 (2026-08-10)
-
-The user tested the goal-window build live and reported six findings. A
-parallel read-only research agent investigated items 1+2 (text-style
-presentation) concurrently with the session that fixed items 3+5
-(`5b54387b`); that session owned its own build/commit (hard constraint:
-one commit). Items 1+2 landed CODE-COMPLETE in a separate follow-up
-session/commit off the research agent's findings
-(`docs/research/2026-08-10-retail-ui-text-style.md`) — see the dispositions
-below and the new ledger row.
-
-| # | User finding (condensed) | Disposition |
-|---|---|---|
-| 1 | Both the chat-window transcript text AND the on-screen SpewBox text differ from retail in face, size, and colour shade. | **FIXED in the round-4 items-1+2 follow-up commit** (see the new ledger row below — a separate commit from items 3+5's `5b54387b`, per this session's one-parallel-agent/one-commit-per-session-slice pattern). Face/size for BOTH surfaces resolve to the actual authored fonts (chat: `0x40000000`/16px, already correct; SpewBox: `0x40000001`/18px, corrected from a round-3 heuristic). The transcript's default fill now seeds from its authored `ARGB(255,204,204,204)` instead of an unrelated color-table slot, without touching the 34-entry `LogTextType` table. See `docs/research/2026-08-10-retail-ui-text-style.md` §5. |
-| 2 | Retail's SpewBox text carries a heavy black border around every glyph that acdream's does not. | **FIXED in the same round-4 items-1+2 follow-up commit as item 1.** Root cause: retail ships a SECOND ("background") glyph atlas per font, dilated 2px on every side, plus two border-pixel scalars (`NumHorizontalBorderPixels`/`NumVerticalBorderPixels`) that acdream's font reader dropped entirely (zero repo hits for `BorderPixel` before this fix) — so even the pre-existing `outline` parameter drew almost nothing once enabled. Both the missing border-pixel read AND the un-inflated background blit rect are fixed together (either alone is a no-op), `UiRenderContext.DrawStringDat` now runs retail's exact two-pass whole-string outline-then-fill model, and property 0x21/0x22 (Outline/OutlineColor) import onto every DAT-authored text element — not just the SpewBox — so this class of bug cannot recur element-by-element. The SpewBox's own line template authors outline ON with no colour (ctor black default), matching the user's screenshot. |
-| 3 | User-visible meta-markers ("IMPLEMENTED", "acdream has not yet extracted…"-style notices) leaking into live `/help` output. | **FIXED this commit, closes ISSUES.md #364.** Every honesty marker is now gone from user-visible text: `AllegianceOverview`/`HouseOverview`'s `[IMPLEMENTED]` tags and trailing "Subcommands NOT marked…" sentences, and `Day`/`Log`/`Render`/`Motd`'s appended "NOT YET IMPLEMENTED in acdream" tails are all removed, with the underlying retail text corrected/completed against the pseudo-C's own pristine consolidated data dumps (`Log` and `Motd` had also been silently truncated; `Render` had been entirely acdream-authored and is replaced with the real retail usage string). The three PARTIAL `/help` group topics (channels/chatting/commands) are now COMPLETE verbatim listings — `ClientCommunicationSystem::HelpStupidChannelHack @0x0056f290`'s three "vtable slot" operands, previously believed undecodable, are the same pooled/mislabeled-data artifact this campaign has hit before (AP-113's precedent); reading the function's own disassembly for the `push imm32` preceding each constructor call resolves all three directly. `messagetypes` is now a real ported construction (`LogTextTypeEnumMapper::IsLegalChannel`'s 14-id whitelist + `LogTextTypeToString`'s name table + the exact join/wrap format) instead of an acdream summary. Register row AP-184 RETIRED. See `RetailCommandHelpTable`'s class remarks and `RetailCommandHelpTableTests` (51 tests, all passing) for the full citation trail. |
-| 4 | (Not detailed to this session — reported as passed.) | **User-passed**, no action needed this round. |
-| 5 | The main window's 1/2/3/4 indicator buttons don't open/close the floating chat windows on click — the user's retail memory says clicking should toggle them. | **FIXED this commit.** CH6b's decomp grep (`gmMainChatUI::ListenToElementMessage @0x004CDA80` has no click case for these ids) was TRUE but incomplete — it never checked `UIElement_Button`'s own generic click handler. `UIElement_Button::HandleButtonClick @0x00471E50` reads an Enum property (`0x12`) off the button itself and, if present, routes through `ICIDM`'s action map to `UIElementManager::DoVisibilityToggleAction @0x0045B660` (the SAME function the `Alt+1..4` keybinds reach), which broadcasts element message `0x31` to every element registered as a listener for that action id (via property `0x24`, read once by `UIElement::Initialize`) — the receiving element's generic `UIElement::ListenToElementMessage` base-class handler then toggles its own visibility per its OWN property `0x58`. The committed fixture (`chat_2100006f.json`) confirms the button HALF is genuinely armed: all four indicators carry a real Enum-kind property `0x12` = `0x10000114`-`0x10000117` (corrected 2026-08-10 from an earlier misread of `0x10000514`-`0x10000517`; see `docs/research/2026-08-09-chat-retail-window-shell.md` §1.4's own correction note). But the floating-window fixture (`chat_floaty_2100005b.json`) authors NO matching property `0x24`/`0x58` anywhere, so nothing in the shipped DAT registers a floating chat window as that action's listener — the generic mechanism is real and armed on the button side but has no proven target in the data available to us. Per CLAUDE.md, the user's retail memory is the axiom regardless: `ChatWindowController.BindIndicatorClicks` (new) wires each indicator's click to the SAME `ToggleFloatingChatWindow(windowId)` chokepoint the keybinds use, explicitly as USER-DIRECTED retail behavior. `SetIndicatorOpen` stays the sole writer of the `Selected` mirror (`SuppressSelfToggle` stays `true`) so the visual stays consistent through the click round trip. Full reconciliation in `docs/research/2026-08-09-chat-retail-window-shell.md` §1.4 (the `@0x004CDA80` citation stays true as a statement about that one function; the CONCLUSION is corrected). New tests in `ChatLayoutConformanceTests.cs` exercise the click round trip and confirm keybind and click drive the same chokepoint. |
-| 6 | A settings-surface finding. | **Deferred to the settings track** — out of this commit's scope; no code change this round. |
-
-Suite: 12,579 passed / 4 skipped / 0 failed (Release, complete solution —
-`AcDream.slnx`), up from the goal-window baseline 12,553/4/0 — net +26
-tests, zero regressions. Evidence: this commit's diff +
-`tests/AcDream.UI.Abstractions.Tests/Panels/Chat/RetailCommandHelpTableTests.cs`
-(51 tests) + `tests/AcDream.App.Tests/UI/Layout/ChatLayoutConformanceTests.cs`
-(new/updated indicator-button tests). No subagent review this session (hard
-constraint); no connected user gate for this commit's own changes (hard
-constraint — no client launches) — the next connected round should confirm
-`/help channels`/`/help chatting`/`/help commands`/`/help messagetypes` now
-show complete retail text with no meta-notice, and that clicking each of the
-four chat-window indicator buttons now opens/closes its floating window
-while the button's lit/unlit state stays correct.
-
-### User gate round 4, items 1+2 — text style follow-up (2026-08-10)
-
-Off the parallel research agent's findings
-(`docs/research/2026-08-10-retail-ui-text-style.md`): retail's outline is a
-SECOND ("background") glyph atlas per font, dilated 2px on every side, plus
-two border-pixel scalars acdream's font reader never read (zero repo hits
-for `BorderPixel`) — so even flipping the pre-existing `outline` parameter
-was a visual no-op. Landed together (either half alone is a no-op or a
-regression):
-
-1. **`UiDatFont`** carries `BorderX`/`BorderY` from the DAT's
- `NumHorizontalBorderPixels`/`NumVerticalBorderPixels`
- (`Font::Serialize @0x00443650`).
-2. **`UiRenderContext.DrawStringDat`** inflates the background blit's source
- AND destination rect by that margin, and restructures into retail's
- exact two-pass model — the WHOLE STRING's outline pass, then the WHOLE
- STRING's fill pass (`UIElement_Text::DrawSelf @0x00467aa0`), plus the
- 8-neighbour ±1px fallback for the rare 0-border font family. The stale
- "LayoutDesc property 0xd" comment (actually the `OnSetAttribute`
- switch-case index, not the property id) is corrected to 0x21/0x22.
-3. **Property 0x21 (Outline) / 0x22 (OutlineColor) import**:
- `ElementInfo.Outline`/`OutlineColor`, read in `LayoutImporter.ReadState`
- and `ElementReader.ApplyCanonicalLegacyProjection`/`Merge` with the same
- "derived wins" convention as `FontDid`, wired onto `UiText.Outline`/
- `OutlineColor` by `DatWidgetFactory.BuildText`. Every one of the ~100
- authored-outline elements across 15 layouts is correct at once, not
- fixed controller-by-controller.
-4. **SpewBox**: `RetailFontId` corrected from the round-3 heuristic
- (`0x40000025`) to the actually-authored `0x40000001` (18px bold serif,
- base style `0x10000377`), `Outline = true` set directly on the
- controller's `UiText` (it is synthesized, not DAT-imported). Fill colour
- stays the user-gate-round-1-pinned yellow `(1,1,0.247,1)` — font atlases
- are `PFID_A8` (alpha-only), so there is no baked shading that could
- explain the screenshot's gold as anything other than the outline itself
- making a bright fill read warmer. Register row AP-178 updated: font,
- size, outline, and position are now AUTHORED; only fill-colour
- calibration and the AP-177 line-lifetime timeout remain open.
-5. **Chat transcript**: default fill now seeds from the authored
- `ARGB(255,204,204,204)` (style `0x10000372` property 0x1B) instead of
- the color table's own unrelated index-0x00 slot — `ChatTranscriptRenderer.BuildLines`
- takes the transcript's own `UiText.DefaultColor` as an explicit
- parameter. The 34-entry `LogTextType` table (the per-message color
- authority) is untouched — every existing CH1 conformance test
- (`RetailChatColorTableTests.cs`, `ChatWindowControllerTests.cs`) stays
- green unmodified. No outline on the transcript, matching retail (style
- `0x10000372` authors no property 0x21 anywhere in its chain) — pinned
- against the real installed DAT via a regenerated `chat_2100006f.json`
- fixture, not a JSON-missing-field default.
-
-Suite: 12,610 passed / 4 skipped / 0 failed (Release, complete solution —
-`AcDream.slnx`), up from the round-4 items-3+5 baseline 12,579/4/0 — net
-+31 tests, zero regressions (one `LandblockPresentationPipelineTests`
-failure reproduces identically on the pristine pre-this-session baseline —
-pre-existing run-order flakiness in an unrelated streaming test, confirmed
-via `git stash` before touching any code; it did not reproduce at all
-during this round's own full-solution runs). No subagent review this session
-(hard constraint); no connected user gate for this commit's own changes
-(hard constraint — no client launches) — the next connected round should
-confirm the SpewBox now shows a heavy black border in the authored 18px
-face, and that the chat transcript's default text shade reads slightly
-softer than pure white.
diff --git a/docs/plans/2026-08-10-options-panel-campaign.md b/docs/plans/2026-08-10-options-panel-campaign.md
deleted file mode 100644
index 31591d10..00000000
--- a/docs/plans/2026-08-10-options-panel-campaign.md
+++ /dev/null
@@ -1,445 +0,0 @@
-# Campaign OP — retail four-tab Options panel
-
-> **For agentic workers:** slices are executed by ONE Sonnet implementer at a
-> time against this contract, then dual-lens Opus-reviewed, per the binding
-> process rules in §8. The four research docs in §1 are the spec's data
-> appendix — implementers MUST read the cited sections before coding; every
-> table this plan references by section number is committed there in full.
-
-**Status: CODE-COMPLETE 2026-08-11, PARKED 2026-08-11 (user direction) —
-all nine slices landed and reviewed; OP1/OP2/OP7/OP9 CLOSED; OP3–OP6 + OP8
-owe their connected user gates.** Four connected gate rounds ran before
-parking; every finding was root-caused and fixed same-day: #372
-(blank tabs + click diagnostics), #374 (dropdown pointer routing; #376
-split out), #375 (keyboard string resolver + parked prototypes + tab
-activation), #371 (viewport clip), the AD-78 store-only dimming
-(user-directed), and the gate-4 batch #378–#382 (dropdown chrome, chat-only
-opacity scope, slider captions from DAT catalog 0x78000000, the AP-205
-footer field, the AP-206 state-cascade fix). **Resume point: the gate-4
-fixes (`c1218426`..`d1c60df9`) are committed and probe-verified but have
-NOT been seen by human eyes — the user's re-check of those five plus the
-full §OP3–§OP6/§OP8 script is the remaining work. Launch with
-`ACDREAM_RETAIL_UI=1`.** Gate script:
-`docs/research/2026-08-11-campaign-op-test-script.md`. Open tail: #373,
-#376, #377 (fullscreen startup crash — settings.json workaround noted in
-the issue), AP-198/199/202/203/205/206, the Shift-chord display cosmetics
-and the radar-text-over-panel z-order noted in session.**
-
-**Goal:** retail's four-tab in-game Options panel (Gameplay Options /
-Character / Chat / Config), retail-faithful mechanics end-to-end: authored
-LayoutDescs, the real option storage/wire split (`0x0005` single-option vs
-the batched `0x01A1` PlayerModule blob), retail Apply/Reset/Defaults
-semantics, live consumers where acdream has the subsystem and honest
-store-only + register rows where it doesn't, plus the headless-bot
-`characterOptions` seam. Campaign handoff:
-`docs/research/2026-08-10-settings-track-handoff.md`.
-
-**Architecture:** the panel is retained retail UI exactly like Campaign CH's
-chat windows — LayoutDesc `0x2100002B` imported through `LayoutImporter`,
-mounted in the `gmFloatyPanelUI` host `0x2100006E` under
-`RetailWindowManager`, driven by a focused controller. All option
-storage/policy is Runtime-owned (`RuntimeCharacterOptionsState` widened to
-the full retail table); the graphical panel and the headless host are both
-consumers of the one generation-gated `IRuntimeCharacterCommands` seam
-(CH3's precedent). Wire builders live in `AcDream.Core.Net` beside the
-existing `0x0005` codec.
-
-**Tech stack:** existing retained UI stack (`DatWidgetFactory`,
-`LayoutImporter`, `UiRoot`, `RetailWindowManager`), `AcDream.Runtime`
-gameplay owners, `AcDream.Core.Net` message builders, `DatCollection` for
-DAT reads. No new dependencies.
-
----
-
-## 1. Research base (committed; the spec's data appendix)
-
-| Doc | What it pins |
-|---|---|
-| `docs/research/2026-08-10-options-panel-structure.md` (lane A) | Layout `0x2100002B` structural inventory (§10.1), tab table property `0x2E`, row-template mechanism (ListBox `P0x64` + `AddItemFromTemplateList`), Apply/Reset/Defaults + visibility semantics (§6, §10.4), Chat tab's 13 checkbox masks + defaults (§8), Config tab's 27 rows + `UserPreferences.ini` keys (§9), open path (F11 action `0x1000001A`, toolbar button `0x1000019B`) |
-| `docs/research/2026-08-10-character-options-map.md` (lane B) | The 50-row / 6-group Character-tab inventory with per-row storage bit, wire route, ACE handling, acdream consumer state (§2–§5); implement-vs-store split (§7.1); bot tiers (§5.2) |
-| `docs/research/2026-08-10-set-character-options-wire.md` (lane C) | The `0x01A1` body = `PlayerModule::Pack` field order (§2.3–§2.7), header invariant `0x460`, the 21-id auto-save table (§3.2), 480 s timer + logout + Apply flush triggers (§3.3–§3.5), ACE acceptance/landmines (§5), CH3 builder post-mortem (§6) |
-| `docs/research/2026-08-10-keyboard-config-and-gameplay-tab.md` (lane D) | The seven Gameplay-tab button behaviours with byte-verified strings (§1–§4), `gmKeyboardUI` structure + DAT ActionMap storage (§5–§6), per-button implementability (§7.1), Config-tab ordered dump (§7.3) |
-
-Coordinator-verified during planning (this session): toolbar button
-`0x1000019B` authors `P0x12 = 0x1000001A` (committed fixture);
-`retail-default.keymap.txt:148` binds `ToggleOptionsPanel` to `DIK_F11`;
-`PlayerModulePackHeader` verbatim at `acclient.h:7835`; the headless
-local-write gap at `src/AcDream.Runtime/Session/DirectGameRuntimeCommandAdapter.cs`
-(`SetSingleOption`) vs `src/AcDream.App/Net/LiveSessionRuntimeFactory.cs:347`;
-**U1 closed**: `UIOption::InqDefaultGameplayOptionProperty @0x004ef8d0`
-resolves per-option defaults from the DAT `DBPropertyCollection` at
-`DBCache::GetDIDFromEnumStatic(0x16, 2)` — the Defaults button restores
-DAT-authored values.
-
-## 2. Design decisions (stated, per the campaign directive; reactable at gates)
-
-- **D1 — the retail Options panel is acdream's one in-client settings
- surface.** Lane D established the F11 `SettingsPanel` was never rendered
- post-V11 (`ToggleSettingsPanel()` no-op; only `IPanelRenderer` is a test
- fake). Retail's own F11 IS `ToggleOptionsPanel`. So: F11 + the toolbar
- button open THIS panel; acdream's client-only settings live on the
- **Config tab** (retail's own client-settings tab — its 27 rows are
- `UserPreferences.ini` preferences, nothing on the wire), backed by
- acdream's existing settings store. The old `SettingsPanel`/`SettingsVM`
- IPanel surface is retired in OP9; its tested keybind model feeds OP8.
-- **D2 — retail's wire split ships exactly.** The 21 auto-save ids send
- `0x0005` immediately; the rest dirty the module and ride the real
- `0x01A1` blob with retail's three flush triggers (Apply, logout, 480 s
- timer). No "send everything as 0x0005" shortcut (lane C: the split is
- load-bearing in both directions).
-- **D3 — the 50th Character row ships.** "Listen to PK death messages" is
- 2015-client; the DAT string exists (`0x0D16E9A3`), ACE maps id `0x34` ↔
- `CharacterOptions2 0x02000000` but never reads it. Ship the row
- (user-gate axiom: the user's retail memory includes it), wire+store only,
- register row for the ACE-sourced 2013-unverifiable mapping.
-- **D4 — Configure Keyboard is the campaign's rebind screen** (it is the
- ONLY rebind screen — D1). Port `gmKeyboardUI`'s shape and DAT ActionMap
- data (lane D Option C) but persist to `keybinds.json`; retail `.keymap`
- file interchange is a register-row deferral.
-- **D5 — dead-endpoint buttons short-circuit to their own retail failure
- strings.** Urgent Assistance / Report Abuse open a defunct
- `support.turbine.com` URL in retail; acdream skips the browser launch and
- emits the button's own byte-verified failure notice through the
- interface-text seam (retail text, not invented), register rows filed.
- In-Game Help mirrors retail-with-missing-`ACHelpPlugin.dll` behaviour.
-- **D6 — Exit to Character Selection behaves as Exit Game** (+ register
- row) until a pre-world character-select flow exists, but retail's
- confirmation dialog (`ID_Client_EndCharacterSessionConfirm`) and mid-air
- refusal ("Cannot log off while in mid-air.", byte-verified) ship now.
-- **D7 — Group C re-points to server truth.** The seven currently-live
- `settings.json`-backed options (lane B §7.1 group C) become
- server-bit-authoritative per CH3 precedent (reseed from
- PlayerDescription; local-write-then-send). `GameplaySettings`' 16
- server-shadowing booleans die in OP9.
-- **D8 — bots declare options by NAME.** The K1 strict config gains an
- optional `characterOptions` block accepting exactly the lane-B tier-1+2
- names; unknown names fail load (ACE throws on unknown ids — never let one
- reach the wire). Diff-then-send after PlayerDescription seeds state;
- idempotent on reconnect.
-
-## 3. Slice map
-
-Dependencies: OP1 → (OP4, OP7); OP2 → (OP3, OP4, OP5, OP6, OP8); OP3 → OP4/5/6
-(the shell hosts the tabs). OP7 needs only OP1. Execution order below is the
-default; OP7 may run any time after OP1 when the tree is free.
-
-| Slice | Contract (summary) | Gate |
-|---|---|---|
-| OP1 | Runtime option map + dirty model + the real `0x01A1` builder + headless local-write fix | automated only |
-| OP2 | Type 8 tab control + Type 5 template-list ListBox + remaining `UIOption_*` widget mappings + fixtures | automated only |
-| OP3 | Panel shell + open paths + Gameplay tab end-to-end | user (connected) |
-| OP4 | Character tab: 50 rows, consumers, Apply/Reset/Defaults | user (connected) |
-| OP5 | Chat tab: opacity sliders + 5 per-window filter blocks | user (connected) |
-| OP6 | Config tab: 27 rows over the client settings store | user (connected) |
-| OP7 | Headless `characterOptions` block | automated + bot-vs-ACE run |
-| OP8 | Configure Keyboard screen | user (connected) |
-| OP9 | Closeout: retire dead surfaces, bookkeeping, test script | user (final matrix) |
-
----
-
-## 4. Slice contracts
-
-### OP1 — the Runtime option map, dirty model, and the real blob
-
-**Files.**
-- Modify `src/AcDream.Runtime/Gameplay/RuntimeCharacterState.cs`
- (`RuntimeCharacterOptionsState`, `:628`): widen to the full table.
-- Create `src/AcDream.Runtime/Gameplay/CharacterOptionTable.cs`: the ONE
- typed table `PlayerOption id → (word: Options1|Options2, mask, isAutoSave,
- clientDefault)` for ids `0x00..0x34`, transcribed from lane B §2 (verbatim
- `acclient.h:4162` enum names) + lane C §3.2 (auto-save column) + D3's
- `0x34` row. Reject `0x35`/`0x36` and unknown ids at the seam (lane C
- §5.4.3 — ACE throws).
-- Modify `src/AcDream.Runtime/GameRuntimeCommands.cs`: add
- `IRuntimeCharacterCommands.SaveOptions(RuntimeGenerationToken)` (the
- blob-flush verb) beside `SetSingleOption`.
-- Modify `src/AcDream.Runtime/Session/DirectGameRuntimeCommandAdapter.cs`
- and `src/AcDream.App/Runtime/CurrentGameRuntimeCommandAdapter.cs` +
- `src/AcDream.App/Net/LiveSessionRuntimeFactory.cs:335-350`: move
- local-write-then-send INTO the shared Runtime seam so BOTH hosts get
- retail's ordering (fixes the headless gap lanes B+C independently found).
- The `LiveSessionRuntimeFactory` local closure is deleted, not duplicated.
-- Create `src/AcDream.Core.Net/Messages/SocialActions.cs` addition:
- `BuildSetCharacterOptions(...)` per lane C §2.7 EXACTLY — header always
- `0x460` OR-ed with present optional sections; four unconditional u32s
- (header, options1, spellbookFilters, options2 in pack order §2.3); echo
- last-parsed shortcuts / 8 spell lists / desired comps rather than zeroing
- (§5.3); NEVER set `0x100` (lane C U2); omit `0x200` while acdream packs
- nothing (safe per §2.5); 4-byte tail pad.
-- Modify `src/AcDream.Core.Net/WorldSession.cs`: `SendSetCharacterOptions`.
-- Dirty model in `RuntimeCharacterOptionsState`: `MarkDirty` on any
- non-auto-save change, `FirstDirtiedAt`, flush triggers = explicit
- `SaveOptions` command, session logout, and the 480 s timer (retail
- constant, lane C §3.3) driven from the existing Runtime tick.
-- Tests: `tests/AcDream.Runtime.Tests/` (table completeness ×53, auto-save
- split ×53 vs lane B §2's byte-verified column, local-write-then-send on
- BOTH adapter paths, dirty/flush state machine, unknown-id rejection);
- `tests/AcDream.Core.Net.Tests/` blob conformance: golden byte vector +
- round-trip through `PlayerDescriptionParser` (lane C §9 S-c — the CH3
- builder died of green tests pinning a wrong shape; the golden vector is
- non-negotiable).
-
-**Register rows (same commit):** `0x34` mapping ACE-sourced (D3); the
-480 s autosave if any part is deferred (target: not deferred);
-`GetDefaultOptionValue @0x005D2A30` vs ctor-default disagreement recorded
-when the client-default column lands (lane C §8.2 — reproduce, don't fix).
-
-**Acceptance:** build + FULL Release suite green; blob golden vector
-byte-exact; both adapters share one code path for the local write.
-
-### OP2 — the two widget primitives + remaining UIOption mappings
-
-**Files.**
-- Modify `src/AcDream.App/UI/Layout/LayoutImporter.cs` +
- `src/AcDream.App/UI/Layout/ElementReader.cs`: read tab-table property
- `0x2E` (struct array `{0x30 button, 0x31 page, 0x32 isDefault}`) and
- ListBox template-list property `0x64` (entries `{0x63 layout DID,
- 0x62 element id}`) into `ElementInfo`.
-- Create `src/AcDream.App/UI/UiTabPanel.cs` (element Type 8 — retail
- `UIElement_Panel`; renamed from this plan's original `UiTabControl` at the
- OP2 rework, and a dormant `UiDatElement` subclass per AD-73): tab-button
- ↔ page-slot switching per lane A §5; default tab honoured.
-- Create `src/AcDream.App/UI/UiTemplateListBox.cs` (element Type 5 with
- authored template list): `AddItemFromTemplateList(index)` instantiates a
- row from the authored template layout/element via `DatWidgetFactory`,
- scrollbar named by `P0x72`.
-- Modify `src/AcDream.App/UI/Layout/DatWidgetFactory.cs`: map Types 5/8 and
- `UIOption_Slider 0x10000037`, `UIOption_Menu 0x10000038`,
- `UIOption_CheckboxSlider 0x10000036`, `UIOption_CheckboxBitfield64
- 0x10000044` (LED checkbox `0x10000035` already maps to `BuildCheckbox`).
-- Modify `tests/AcDream.App.Tests/UI/Layout/RetailLayoutFixtureGenerator.cs`
- (`Layouts`, `:17`): add `0x2100002B`, `0x2100002A`, `0x21000028`,
- `0x2100005C`, `0x21000029`. **Coordinator runs the generator**
- (`ACDREAM_REGENERATE_UI_FIXTURES=1`, serial tree) and commits fixtures.
-- Conformance tests pin: the tab table (4 entries, Gameplay default), all
- three template arrays (lane A §10.1), the Character ListBox's 6-header /
- 49-toggle authored row build, scrollbar linkage.
-
-**Acceptance:** build + FULL suite; fixtures committed and pinned; no
-change to any existing widget's behaviour (the S2/AP-192 outline seams from
-`aa6635ae` must be preserved in new widget builds).
-
-### OP3 — panel shell + open paths + Gameplay tab (first vertical)
-
-**Files.**
-- Create `src/AcDream.App/UI/Layout/OptionsPanelController.cs`: mounts
- `0x2100002B` in host `0x2100006E` slot `0x1000018D` (stack key 10) via
- `RetailWindowManager`; tab control wiring; close button fires
- `0x1000001A`.
-- Create `src/AcDream.App/UI/Layout/OptionPageModel.cs`: the
- `OptionPage`/`PlayerOptionPage` model — per-page option array of
- `(current, saved, default)` triples + verbs Apply/Reset/Defaults with
- retail's exact semantics (lane A §10.4): LED click applies immediately
- (`SetCurrentValue → Apply(1)`); Apply commits baseline + `SaveOptions`
- flush; Reset reverts to baseline; Defaults applies live without
- committing and is never disabled; Apply/Reset disable when clean; hide →
- revert uncommitted; show → apply + commit. Pure logic, unit-tested
- without DAT.
-- Input action `ToggleOptionsPanel` (`0x1000001A`, F11) in
- `src/AcDream.UI.Abstractions/Input/` (`KeyBindings.RetailDefaults()` —
- the ONLY production table; #358's lesson) +
- `src/AcDream.App/Input/GameplayInputCommandController.cs` routing +
- toolbar button `0x1000019B` (already authors `P0x12`).
-- Gameplay tab (`0x2100002A`, class `gmGameplayOptionsUI`), seven buttons
- per D5/D6 and lane D §1: Exit Game → the existing graceful-close path;
- Exit to Char Selection → retail confirm dialog (`RetailDialogFactory`) +
- mid-air refusal via the interface-text seam, then D6's Exit-Game
- behaviour; Configure Keyboard → opens OP8's screen; until OP8 lands the
- button is INERT (authored, clickable, no handler — no invented text, no
- stub screen), the OP3 gate script says so explicitly, and OP8's gate
- re-tests it (the campaign cannot close with the button inert); Use Mouse Turning Settings → the six-option macro
- (lane D §4.4) with its six retail chat lines, camera-mode consumer
- verified against the camera digest in-slice (register row if the mode is
- absent); In-Game Help / Urgent Assistance / Report Abuse per D5.
-
-**Register rows:** Exit-to-char-select adaptation (D6); UA/RA dead-URL
-short-circuit (D5); help-plugin behaviour (D5); mouse-turning consumer row
-if needed.
-
-**Gate:** connected — panel opens via F11 AND toolbar; tabs switch with
-Gameplay default; the seven buttons behave per contract; window drags /
-resizes / stacks like the CH6 floaties.
-
-### OP4 — the Character tab
-
-**Files.**
-- Create `src/AcDream.App/UI/Layout/CharacterOptionsPageController.cs`:
- binds layout `0x21000028` root `0x100001F9` ListBox `0x100001FA` through
- OP2's template mechanism; 6 headers + 50 toggles (D3) in lane B §2's
- authored order; every row bound by `PlayerOption` id through OP1's table
- and the shared seam (auto-save ids → `0x0005` on click-apply; batched ids
- → dirty + blob per OP1).
-- Defaults: extract the DAT `DBPropertyCollection`
- (`GetDIDFromEnumStatic(0x16, 2)`, §1 U1-closure) via `DatCollection` at
- import; conformance-pin extracted values; cross-check overlapping ids
- against lane B/C's byte-verified default words and RECORD any
- disagreement as a finding (never silently pick).
-- Consumers (lane B §7.1): group B one-line binds — timestamps + filter
- language at `RuntimeCommunicationState.AddText`; daylight
- (`ForcedDayGroupIndex`), weather, fog; run-as-default in
- `RuntimeLocalPlayerMovementState`; main-pack default at the pickup path;
- the UI-display bits at their existing retained controllers. Group C
- re-pointing per D7. Group A wire+store only. Group D register rows.
-- Conformance test: all 50 rows ↔ table ↔ storage bit ↔ wire route pinned
- in both directions (the CH4 registry-conformance pattern — an invented
- row or a dropped row fails the build).
-
-**Register rows:** group D deferrals (salvage, housing, fellowship-share
-field, PK-deaths already rowed in OP1, mouse-turning row lives in OP3);
-each group-C re-point that changes an observable default.
-
-**Gate:** connected — LED rows toggle + persist across relogin (server
-echo), timestamps/daylight/fog/weather/run-default observably switch, Apply
-/ Reset / Defaults exercise retail semantics, tab-switch reverts
-uncommitted edits.
-
-### OP5 — the Chat tab
-
-**Files.** Create
-`src/AcDream.App/UI/Layout/ChatOptionsPageController.cs` binding
-`0x2100005C` root `0x1000050A`: the two LINKED opacity sliders (bound to
-the existing `RetailWindowOpacityController` values through
-`ChatOpacityLink` — AP-190's model, now user-reachable) and the five
-per-window filter blocks (SetUserData ids 8/2/3/4/5; main window 12 rows,
-floaties 13 — lane A §8's byte-decoded masks) writing the per-window filter
-state CH6 already consumes (`ChatWindowState.ShouldDisplay`). The
-`0x1000008C` per-window blob stays local-only (already-anticipated register
-row from `2026-08-09-chat-retail-window-shell.md` §6.3 — cite, don't
-duplicate).
-
-**Gate:** connected — filter checkboxes change window routing live;
-opacity sliders drive the focus fade; settings survive relogin locally.
-
-### OP6 — the Config tab
-
-**Files.** Create
-`src/AcDream.App/UI/Layout/ConfigOptionsPageController.cs` binding
-`0x21000029` root `0x100001FF`: all 27 rows in lane A §9 / lane D §7.3's
-authored order, backed by acdream's client settings store
-(`%LOCALAPPDATA%\acdream\` — the D1 home). Rows with live subsystems bind
-now: the three volume trios → the audio pipeline, "play sound only when
-active", mouse-look sensitivity + invert Y, FOV, chat font size/face if the
-chat pipeline exposes them. Rows without a subsystem (resolution +
-fullscreen + sync, degrades, texture detail family, multi-pass alpha)
-persist store-only under ONE register row enumerating them (the goal's
-"honest store-only handling"); resolution's `SetConfirmChange` flow ships
-whenever the consumer lands, not now.
-
-**Gate:** connected — audio sliders audibly change mix; mouse sensitivity
-observably changes; store-only rows persist across relaunch.
-
-### OP7 — headless `characterOptions`
-
-**Files.** Modify
-`src/AcDream.Headless/Configuration/HeadlessConfiguration.cs` +
-`HeadlessConfigurationLoader.cs`: optional `characterOptions` block, strict
-— keys are exactly the lane B §5.2 tier-1+2 option NAMES, values bool;
-unknown key = load failure (D8). Modify the session host
-(`src/AcDream.Headless/Hosting/`) to diff declared vs
-PlayerDescription-seeded state after LoginComplete and send changes through
-the shared seam (auto-save ids as `0x0005`, remainder via one
-`SaveOptions` blob), honouring #368's one-dedicated-update-thread contract.
-Idempotent on reconnect (retail itself no-ops unchanged options — lane C
-§3.5). Headless tests: schema rejection, diff-only sends, reconnect
-idempotence, thread affinity preserved.
-
-**Gate:** automated + one live bot-vs-local-ACE run (no graphical client)
-showing declared options land and survive reconnect.
-
-### OP8 — Configure Keyboard
-
-**Files.** Create
-`src/AcDream.App/UI/Layout/KeyboardConfigController.cs` (+ a
-`src/AcDream.Core/...` DAT `ActionMap` (DBO type `0x27`) reader if
-`DatCollection` lacks one): `gmKeyboardUI`'s six ActionClass list boxes
-via OP2's Type 5 widget, rows = label + tooltip + N key buttons + Clear
-from the DAT master maps (DIDs `0x14000000`/`0x14000002` — the exact
-enum→DID pairing is lane D unknown #4, resolved in-slice by dumping both),
-merged with live `KeyBindings`; left-click key button → `InputDispatcher`
-modal capture; right-click erases; N-way cross-map conflicts + the
-non-user-bindable refusal per lane D §5; Save/Cancel; Reset-to-defaults
-reloads the DAT maps. Persistence: `keybinds.json` (D4).
-
-**Register rows:** `.keymap` file interchange not implemented (D4); any
-retail column/behaviour consciously narrowed.
-
-**Gate:** connected — rebind a movement key, conflict prompt on a taken
-chord, persistence across relaunch, reset restores retail defaults.
-
-### OP9 — closeout
-
-- Retire `SettingsPanel`/`SettingsVM`'s IPanel surface +
- `SettingsDevToolsComposition` wiring + `DevToolsGameplayCommands`
- no-ops; delete `GameplaySettings`' 16 server-shadowed booleans (lane B
- §7.2.5), re-scoping true client-only settings into the D1 store. Every
- deletion checked against consumers; no behaviour regression.
-- Bookkeeping: plan status flips, ISSUES sweep (#358 retest against OP8's
- screen — its Ctrl+M lesson lives in `RetailDefaults()`), register
- reconciliation, CLAUDE.md Current-state paragraph (per
- `feedback_claude_md_staleness`), memory digest update
- (`project_chat_digest` addendum or a new settings digest).
-- Write `docs/research/2026-08-10-campaign-op-test-script.md`: the
- connected-gate script covering every OP3–OP8 gate item, per-tab, with
- expected retail behaviours — the campaign's stop condition is this
- script ready plus all slices code-complete.
-
-**Gate:** the user's final connected matrix (their eyes, their pace).
-
----
-
-## 5. What is explicitly OUT of scope
-
-- Packing the `0x200` GameplayOptions blob section (per-window chat state
- on the wire) — a follow-on (CH6f shape), pre-anchored by lane C U1 and
- `2026-08-09-chat-retail-window-shell.md` §6.3's register row.
-- A pre-world character-select flow (D6 adapts; its register row carries
- the future work).
-- Retail `.keymap` file read/write (D4 register row).
-- The `0x21000017` docked `gmPanelUI` host variant — acdream ships the
- floating host only (register row in OP3 if the review deems it a
- divergence; retail exposes both).
-
-## 6. Verification discipline
-
-Per commit: `dotnet build` + FULL Release suite green (baseline at plan
-time: 12,611 / 4 skips / 0 failures at `29138430`+). Golden byte vectors
-for every wire builder. Conformance pins for every authored inventory
-(row lists, template arrays, tab table, checkbox masks). Register rows in
-the SAME commit as the deviation. No user-visible placeholder text ever —
-all user-facing strings resolve from the DAT string tables
-(`0x23000001`/`0x23000003`) by `compute_str_hash` name, never hard-coded
-English.
-
-## 7. Review protocol
-
-Dual-lens Opus review per slice (mechanism-faithfulness lens ×
-regression/blast-radius lens), fixes applied by the implementer; REJECT →
-focused re-review; TWO failures → Fable fixes directly (user-directed
-2026-08-10). Review findings that feed both a fixer and a re-reviewer are
-persisted to a committed findings doc BEFORE dispatch.
-
-## 8. Process rules (binding, inherited from Campaign CH via the handoff)
-
-Max 3–4 agents in parallel INCLUDING children; every agent prompt carries
-an explicit no-subagent clause; ONE builder/tester on the tree at a time
-(read-only research may overlap); agents never launch the graphical
-client; the user runs all connected gates; screenshots transcribed into
-docs immediately; ledger placeholders anchored per-row, post-amend SHAs
-recorded by the coordinator; decomp claims byte-verified against the
-PDB-paired binary (`check_exe_pdb.py` MATCH first); stalled agents resumed
-via SendMessage before any redo; agent claims spot-verified at the seams
-before anything builds on them.
-
-## 9. Ledger
-
-| Slice | Status | Commit(s) | Review | Gate |
-|---|---|---|---|---|
-| OP1 | CLOSED | `86c0a7e0` + fixes `09029f9f` + residuals `6f48e341` | dual APPROVE-WITH-FIXES (`2026-08-10-op1-review-{mechanism,blast}.md`) → re-review CLOSED (`2026-08-11-op1-rereview.md`); residuals R1/R2/R3 landed | automated only — n/a |
-| OP2 | CLOSED | `df9c7a35` (REJECTED) → rework `b236a442` → closure (this commit) | dual REJECT (`2026-08-11-op2-review-{mechanism,blast}.md`) → re-review blast CLOSED / mechanism REOPEN-on-one (`2026-08-11-op2-rereview-{mechanism,blast}.md`) → coordinator closure: AP-195 filed, AD-73 addendum, tooltip port, zero-children pin | automated only — n/a |
-| OP3 | CODE-COMPLETE, gate READY | `9d26ecc6` → fixes `386076af` → residuals `cb334690` | dual APPROVE-WITH-FIXES (`2026-08-11-op3-review-{mechanism,blast}.md`) → re-review REOPEN-narrow (`2026-08-11-op3-rereview.md`) → coordinator residuals landed | connected gate OWED (script §OP3) |
-| OP4 | CODE-COMPLETE, gate READY | `22b86b9f` → fixes `bc43fb1d` → residuals `ac0304dc` | dual APPROVE-WITH-FIXES (`2026-08-11-op4-review-{mechanism,blast}.md`) → re-review REOPEN-narrow (`2026-08-11-op4-rereview.md`) → coordinator residuals landed | connected gate OWED (script §OP4) |
-| OP5 | CODE-COMPLETE, gate READY | `e71e5a96` (AP-195 retired) → fixes `6d0b0f92` → residuals `67b0815c` | combined APPROVE-WITH-FIXES (`2026-08-11-op5-review.md`) → re-check CLOSED (`2026-08-11-op5-recheck.md`) → coordinator drag residuals landed | connected gate OWED (script §OP5) |
-| OP6 | CODE-COMPLETE, gate READY | `f5ac1742` (REJECTED) → rework `472525b9` → doc residuals (coordinator) | REJECT (`2026-08-11-op6-review.md`) → re-review CLOSED, all six caption sites byte-decoded (`2026-08-11-op6-rereview.md`) | connected gate OWED (script §OP6) |
-| OP7 | CLOSED | `09cb548a` → fixes in `7b60e71b` (shared commit, see its message) | combined-lens APPROVE-WITH-FIXES (`2026-08-11-op7-review.md`); all nine findings closed | live bot-vs-ACE gate PASSED 2026-08-11 (coordinator; evidence in script §OP7) |
-| OP8 | CODE-COMPLETE, gate READY | `b4edee97` (REJECTED) → rework `b1968ce9` → residuals `f1d50207` → merge `1c5cd969` | dual REJECT (`2026-08-11-op8-review-{mechanism,blast}.md`) → rework → re-review REOPEN-narrow (`2026-08-11-op8-rereview.md`) → coordinator round-2 residuals (inert-row conflict exclusion, DAT-default display, injectivity pin; #373 filed) | connected gate OWED (script §OP8) — merged onto the campaign tip AFTER `057d8cd7` per the re-review's merge note, so the #372 viewport fix covers OP8's six ListBoxes |
-| OP9 | CLOSED | `371197a3` → review residuals `07f2b3f7` | combined-lens APPROVE-WITH-FIXES (`2026-08-11-op9-review.md`, `289bf5bc`): MUST-FIX 1 (SaveAudio→ApplyAudio live-apply lost its only assertion — restored + failure-ordering pin), SF-2 (code-structure.md seam list), SF-3 (dead residues: private SaveCharacter, ISettingsStorage.SaveCharacter, IngressShutdownRoots.Settings — deleted; SettingsStore's public SaveCharacter kept as the tested storage API), SF-4 (test-delta was −84 = 94 removed/10 added, not the commit message's "−80 exactly"; no live-behavior test in the gap besides MUST-FIX 1's), SF-5 (dangling comment), NIT 6 (AP-196 channel attribution corrected in-register) — all closed by coordinator residuals | closeout gate = the user's final connected matrix over §OP3–§OP8 |
diff --git a/docs/plans/2026-08-11-fellowship-allegiance-campaign.md b/docs/plans/2026-08-11-fellowship-allegiance-campaign.md
deleted file mode 100644
index 787e937c..00000000
--- a/docs/plans/2026-08-11-fellowship-allegiance-campaign.md
+++ /dev/null
@@ -1,334 +0,0 @@
-# Campaign FA — the retail social panel: Fellowship & Allegiance
-
-> **For agentic workers:** slices are executed by ONE Sonnet implementer at a
-> time against this contract, then dual-lens Opus-reviewed, per §7/§8. The
-> four research docs in §1 are the spec's data appendix — implementers MUST
-> read the cited sections before coding; every table this plan references is
-> committed there in full.
-
-**Status: CODE-COMPLETE 2026-08-12 — all six slices landed and reviewed
-(FA7 closeout done). The retail four-tab social panel
-(Friends / Allegiance / Fellowship / Squelch, host slot `0x1000018F`,
-id 12) mounts via the OP3 recipe; the Fellowship and Allegiance pages are
-live end-to-end (real wire, Runtime-owned state, F3/F4 open paths); the
-fellowship two-session flow is PROVEN over the live wire (FA6's automated
-bot-vs-ACE gate PASSED — the recruited bot's own `RuntimeFellowshipState`
-flips). Each slice went through dual-lens Opus review → fix round →
-narrow re-review; three design calls were corrected in-flight with dated
-addenda (D2 reset-lifetime, D6/D7 server-side invite filter, the CF-1
-`0x001F` subscription). OWED: the user's connected gates over §FA3-§FA6
-of `docs/research/2026-08-12-campaign-fa-test-script.md` (several
-`[TWO-CLIENT]` steps), and ISSUES #384 — the allegiance-swear bot gate is
-deferred/disabled because ACE returns nothing to the `0x001D` swear
-(needs ACE-console disambiguation; the swear CODE is done+reviewed, only
-its automated two-session proof is unverified; register AD-87). Final
-full suite 13,304/4/0.**
-
-**History: planned 2026-08-11. FA1 CLOSED 2026-08-12; FA2 CLOSED
-2026-08-12 (dual APPROVE-WITH-FIXES → fix round `4272ad0e`/`ded23067`/
-`ed8b3ec9` → narrow re-review CLOSED `cc1a319c`, no reopen; CF-1 folded
-into the corrected FA5 slice row). FA3's dual-lens review landed
-APPROVE-WITH-FIXES on both lenses (mechanism: 2 MUST-FIX/9 SHOULD-FIX;
-blast: 1 MUST-FIX/6 SHOULD-FIX/1 NIT) → fix round CLOSED 2026-08-12
-(`9afa05b5`/`35c40a9b`/`ae772709`/`a5553904`) with every finding applied,
-including two corrections to the connected-gate script itself (the
-refuted tab x-order, and a false-defect trigger that could not fire).
-FA3's narrow re-review CLOSED `bf07b70e` 2026-08-12, no reopen — FA3 is
-CODE-CLOSED; the user's connected gate is OWED
-(`docs/research/2026-08-12-campaign-fa-test-script.md`, corrected). The
-re-review's four non-blocking carry-forwards are folded into FA4's
-contract: the `Flush()` scroll-position reset under FA4's
-per-vitals-tick roster rebuilds; a production-resolver test for the new
-template cache; scrollbar-id literals promoted to the authored
-`ScrollbarElementId`; the bounded per-frame retry on a permanently
-unresolvable template. **FA4 CODE-COMPLETE 2026-08-12 (`357d2032`
-Runtime, `5bdd0528` App+tests) — implementer pass done, all four FA3
-carry-forwards closed in this same slice; the dual-lens review (§7) and
-the user's connected gate (`docs/research/2026-08-12-campaign-fa-test-script.md`
-§FA4, several steps explicitly need a second account/character and are
-marked `[TWO-CLIENT]`, deferrable to FA6's bot gate) are OWED.**
-**FA5 CODE-COMPLETE 2026-08-12 (`7ed79eaf` code, this commit register/
-gate-script/ledger) — implementer pass done: CF-1's corrected `0x001F`
-subscription at retail's three arming points, the SF-7 per-relationship
-monarch/patron gate, the vassal roster, and swear/break/kick with their
-confirmations. The dual-lens review (§7) and the user's connected gate
-(`docs/research/2026-08-12-campaign-fa-test-script.md` §FA5, several
-steps `[TWO-CLIENT]`, deferrable to FA6) are OWED; the live-mount probe
-extension has not been run against real DATs in this worktree (none
-installed here).**
-
-**Goal:** retail's social panel — the four-tab `gmPanelUI` member at host
-slot `0x1000018F` (panel id **12**): **Friends / Allegiance / Fellowship /
-Squelch** — with the Fellowship and Allegiance pages fully live
-retail-faithful end-to-end (authored LayoutDescs, real wire, Runtime-owned
-state, live consumers), the Friends and Squelch pages bound read-only to
-the state Runtime already owns, and automated bot-vs-ACE gates for the
-two-session flows. Campaign directive: the 2026-08-11 /goal (Campaign FA).
-
-**Architecture:** one panel mounted exactly like Campaign OP's Options
-panel (the OP3 recipe: `LayoutImporter.ImportInfos(dats, 0x2100006E,
-0x1000018F)`, Type-8 tab host + `ActivateTabBehavior`, per-page scoped
-controllers, `RetailPanelCatalog` id 12, F3/F4 keybinds). Fellowship and
-allegiance state live in TWO new sibling Runtime owners under
-`GameRuntime` per the Slice-J pattern. ~~(different lifetimes: fellowship is
-session-scoped; allegiance survives reconnect behind a seed latch)~~
-**[FA2 fix-round addendum, 2026-08-12: corrected — both owners are
-session-scoped and clear at every generation reset; see D2's addendum
-below for the full three-way evidence citation.]** Wire
-parsers/builders live in `AcDream.Core.Net` beside the H.2 scaffolding
-they connect, repair, or replace. Both graphical and headless hosts are
-served by the single inbound wiring site.
-
----
-
-## 1. Research base (committed; the spec's data appendix)
-
-| Doc | What it pins |
-|---|---|
-| `docs/research/2026-08-11-fa-panel-structure.md` (lane A + coordinator addendum §10) | The social-panel mount (slot `0x1000018F`, id 12, four pages with `RegisterElementClass` identities), both element inventories, the row-template mechanism, the five confirmation dialogs, empty states, F3/F4 open path, the 16-slot host table, unknowns U3–U10 |
-| `docs/research/2026-08-11-fa-fellowship-wire.md` (lane B) | 31-feature master table; per-message field order (golden-vector source); the byte-decoded `IsFull >= 9` and the x87 XP-share table (1.0…0.28, 2.8× cap); four pinned ACE divergences (share `.3`, 900 s vs 600 s lock, dual `shareLoot` encodings, zeroed cp/lum); the two latent acdream builder defects; the `0x00A6`-gates-vitals prerequisite; accept/decline = the shared confirmation triple (type 4); dead `0x01C9`/`0x01CA`; 8 missing WeenieError strings |
-| `docs/research/2026-08-11-fa-allegiance-wire.md` (lane C) | 27 C→S + 5 S→C binary-verified messages; `AllegianceProfile`/`AllegianceHierarchy` layout with ELEVEN version gates; tree-assembly rules (orphan record ⇒ whole-message discard; sibling order REVERSES); ACE's deliberately-zeroed profile fields; the reuse verdict on `ParseAllegianceInfoResponse` and the DELETE verdict on `Core/Allegiance/AllegianceTree.cs`; the retail-faithful permanent dimming of the two allegiance notification bits |
-| `docs/research/2026-08-11-fa-acdream-seams.md` (lane D) | The H.2 scaffolding inventory (11 event ids, 5 fellowship builders, swear/break, LogTextTypes, F3/F4 actions — all unreachable); the two-sibling-J-owner recommendation with the 8-edit template; the ONE inbound registration site; the six dimmed rows + their pinning tests; the panel-mount template; bot-gate requirements (second ACE account, role-discriminated policy, 7 commands, 7 assertions); `0x027C` already has a handler to share |
-
-## 2. Design decisions (stated per the campaign directive; reactable at gates)
-
-- **D1 — one social panel, all four tabs ship.** The DAT authors ONE
- four-page panel; mounting only two pages would be an invented divergence.
- Fellowship + Allegiance pages are this campaign's core (fully live).
- Friends + Squelch pages bind READ-ONLY to `RuntimeCommunicationState`'s
- existing friends/squelch owners (J4.1) for display; their mutation
- actions (add/remove friend, squelch edit) are wired only if their wire
- is already served by ACE and trivially pinned in-slice — otherwise the
- action buttons are honest INERT with register rows (the OP3 precedent),
- completed post-campaign.
-- **D2 —** ~~two sibling Runtime owners. `RuntimeFellowshipState`
- (session-scoped, cleared at reset like external-container) and
- `RuntimeAllegianceState` (survives reconnect behind a `HasServerSeed`-
- style latch).~~ **[FA2 fix-round addendum, 2026-08-12: shipped the
- OPPOSITE finding for `RuntimeAllegianceState` — the "survives reconnect"
- half is proven wrong by three-way evidence
- (docs/research/2026-08-12-fa2-review-mechanism.md MUST-FIX 1):
- (1) **the retail hook** — `ClientAllegianceSystem::
- OnEndCharacterSession @0x00569FA0` tail-calls `AllegianceProfile::Clear`
- at exactly the per-character-session boundary this owner's reset would
- run at, mirroring the sibling `ClientFellowshipSystem::
- OnEndCharacterSession @0x005690A0` Fellowship already honored — FA2's
- fellowship half was byte-faithful, the allegiance half was the exact
- inverse of retail's behavior at the same hook;
- (2) **the cited precedent's actual behavior** —
- `RuntimeCharacterOptionsState.ResetSession`
- (`src/AcDream.Runtime/Gameplay/RuntimeCharacterState.cs:1007-1017`),
- the very `HasServerSeed`-style latch this decision named as its
- justification, CLEARS and re-latches on every reset; it does not
- persist. Its own doc comment names the exact hazard this row then walked
- into verbatim: "a stale seed surviving a session boundary could let a
- flush ship the PRIOR character's words over the new one's";
- (3) **the no-character-selector connect path** —
- `SessionPlayerComposition.cs:1127-1132` constructs
- `LiveSessionConnectOptions` with no character field, so
- `LiveSessionController.StartCore` falls through to
- `CharacterList.TrySelectFirstAvailable`: which character enters world at
- generation N+1 is resolved fresh from a server-supplied list, and
- nothing in `RuntimeAllegianceState` keyed on character identity. The
- process model does NOT preclude a cross-character reset on the
- graphical host, so a stale allegiance tree surviving reset could present
- as the WRONG character's monarch/rank/vassal list.
- **Corrected semantics:** `RuntimeAllegianceState` is now ALSO a
- `RuntimeGenerationReset` stage (`RuntimeGenerationResetStage.Allegiance`)
- with the identical clear-and-relatch shape as `RuntimeFellowshipState`
- and the `RuntimeCharacterOptionsState` precedent — the profile clears
- AND `HasServerSeed` drops to `false` at every generation reset, not just
- at terminal `Dispose`. The `HasServerSeed` latch's remaining job is
- exactly what its name says: distinguishing "no profile has arrived THIS
- generation" from "genuinely no allegiance" WITHIN a session — it is a
- within-session rendering gate, not a cross-reconnect persistence
- mechanism. The two owners remain separate classes (not merged into one)
- because fellowship and allegiance are independent retail systems with
- independent wire families, not because their lifetimes differ anymore.]**
- Lane D's 8-edit template per owner; consumers poll via
- `Snapshot.Revision` — no `IRuntimeEventObserver` member is added (that
- would break all five bot policies + the trace recorder).
-- **D3 — the H.2 scaffolding is connected, repaired, or deleted — never
- trusted.** Connect: the 11 `GameEventType` ids, `AllegianceRequests`
- swear/break, both `LogTextType`s, F3/F4 actions. REPAIR: the fellowship
- builders (lane B: `BuildFellowshipCreate` invents an `openness` field
- ACE silently misreads as inverted `shareXP`; `BuildFellowshipUpdate`
- mislabels `0x00A6`; the real openness action `0x0291` and leader-quit
- `0x0290` are missing) with their wrong-shape tests re-pinned to the
- verified field order. DELETE: `Core/Allegiance/AllegianceTree.cs` + its
- tests (passup formula ~1000× wrong and locked in by test; tree model
- contradicts the wire). REUSE: `ClientCommandResponses.
- ParseAllegianceInfoResponse` extended with the eleven version gates —
- no second profile parser.
-- **D4 — `0x00A6` (panel-open declaration) is wired to real panel
- visibility.** ACE streams fellow vitals ONLY while the panel is
- declared open; without it the roster freezes at join. Sent on the
- fellowship page's show/hide through the page-visibility seam OP3
- already exposes.
-- **D5 — parse defensively where ACE is internally inconsistent; display
- retail's own numbers.** `shareLoot` is read as raw uint `!= 0` (ACE
- encodes it two incompatible ways). The XP-share percentage column uses
- retail's byte-decoded table (1.0/.75/.6/.55/.5/.45/.4/.35/.3111111/.28,
- default 0.0) — one register row records the knowing display divergence
- vs ACE's `.3`-at-nine-fellows server math.
-- **D6 — confirmations ride the existing dialog seam.** Swear/accept-
- swear/break/kick/fellow-invite are plain Confirmation dialogs
- (`0x0274`/`0x0275`/`0x0276`, type 1 = allegiance, 4 = fellowship);
- acdream's `RetailDialogFactory`/`GameplayConfirmationController`
- already match the constants and its own comment names these types as
- awaiting FA. The missing third message of the triple is completed in
- FA1. ~~The invite-receive path consumes `IgnoreFellowshipRequests` /
- `FellowshipAutoAcceptRequests` (auto-decline / auto-accept before the
- dialog), giving those two dimmed rows their real consumers.~~ **[FA4
- mechanism-review correction, 2026-08-12 (`913e35cd` MUST-FIX 2): retail's
- client does NOT read either option bit on the invite/confirmation path —
- byte-verified across `Handle_Character__ConfirmationRequest @0x005640A0`,
- `RecvNotice_FellowshipRequest @0x00490880`, and `MakeFellowRequestDialog
- @0x00490620` (whose ONLY guard is `m_fellowRequestContext`), plus a
- whole-file sweep of both accessors: zero option reads anywhere on the
- path. ACE filters both bits SERVER-SIDE. So there is NO client-side
- auto-response: the fellow-invite dialog (type 4) always shows through the
- generic `GameplayConfirmationController`, exactly as retail does. The
- client-side intercept FA4 shipped is removed. `IgnoreFellowshipRequests`
- defaults TRUE, so a client-side intercept would additionally have
- silently swallowed real invites against any server that didn't filter —
- a real hazard, not just a fidelity nit.]**
-- **D7 — dimming resolves per lane-C/D verdicts.** Un-dim (with the AD-78
- conformance-test flow) exactly the rows that gain consumers:
- ~~`IgnoreFellowshipRequests`, `FellowshipAutoAcceptRequests` (D6), and~~
- the fellowship share rows consumed by the create flow/panel display.
- `IgnoreAllegianceRequests` and `DisplayAllegianceLogonNotifications`
- stay dimmed PERMANENTLY and faithfully — retail's own client has no
- consumer for either (pure server-side filters); AD-78's register row
- gains an addendum saying so. **[FA4 mechanism-review correction,
- 2026-08-12: following D6's correction, `IgnoreFellowshipRequests` and
- `FellowshipAutoAcceptRequests` ALSO stay dimmed PERMANENTLY and
- faithfully — they are pure server-side filters exactly like the two
- allegiance bits, with no client consumer. FA4's un-dim of these two
- REVERTS (dimmed count 31 → 33 of 50); only the fellowship SHARE rows the
- create flow/panel genuinely reads stay un-dimmed. AD-78's addendum names
- the corrected set.]** **[FA4 FIX-ROUND further correction, 2026-08-12
- (mechanism review SF-8): "the fellowship SHARE rows... genuinely reads"
- above overstated it — only `FellowshipShareXP` is actually READ back by
- acdream (the Create-flow click sends it as the `shareXP` wire bit).
- `FellowshipShareLoot`'s claimed consumer, "a second live checkbox
- surface on the fellowship page," is not a consumer at all: nothing in
- acdream ever reads the stored value back (`FormatStatsText` uses
- `snapshot.ShareXp` only; the `0x00A2` Create builder carries `shareXP`
- alone), and the live-DAT dump confirms its checkbox is a child of the
- NOT-in-fellowship frame — invisible whenever you actually have a
- fellowship to loot-share within. `FellowshipShareLoot` REVERTS to
- dimmed too (dimmed count 33 → 34 of 50; net ONE row un-dimmed from the
- pre-FA4 baseline of 35, not four). AD-78's addendum names this final
- corrected set.]**
-- **D8 — bot-vs-ACE gates are first-class.** A second ACE
- account/character + a role-discriminated headless policy let one bot
- recruit/swear at another, with the decisive assertion on the RECRUITED
- bot's own snapshot. All six FA option names are already tier-1
- allow-listed. **[User-provided 2026-08-12: the second account is
- `testaccount2` / `testpassword2` on the same local ACE. RECRUIT REQUIRES
- PROXIMITY — the recruiting character must be quite close to the recruit
- target, so the FA6 bot gate must position the two bot characters near
- each other (same landblock/adjacent) BEFORE the recruit command, or the
- recruit fails; the FA4 §FA4 [TWO-CLIENT] recruit step notes the same for
- the manual path.]**
-- **D9 —** ~~the 8 missing fellowship WeenieError strings are added in FA1
- (two are on ACE's live send paths today; all resolve from the DAT
- string tables, never invented).~~ **[FA1 fix-round addendum, 2026-08-12:
- shipped the OPPOSITE finding — `5f9aa16f` verified from primary source
- (case-label walk + `else if` chain sweep + whole-file sweep + decimal
- forms, `docs/research/2026-08-12-fa1-review-mechanism.md` §2(a)) that
- retail's Sept-2013 client has NO display text for any of the 8 ids.
- Inventing English for them would have been the exact failure mode the
- WeenieError table's no-default-case rule exists to prevent. acdream's
- existing silence for the two ACE actually sends
- (`0x0417 FellowshipIgnoringRequests`, `0x04DB FellowshipDeclined`) is
- already retail-faithful; no strings were added, and none are owed. The
- conformance `[Theory]` at `WeenieErrorMessagesTests.cs:390-393` (8
- `InlineData` rows, each asserting `Resolve()` returns null) is the
- correct artifact in place of the string additions this decision
- originally called for. No register row is owed either — the register
- tracks acdream-vs-retail deviation, and this finding is that acdream
- already matches retail.]**
-
-## 3. Slice map
-
-Dependencies: FA1 → FA2 → (FA3 → FA4/FA5) and FA2 → FA6; FA6 also needs
-FA4 (recruit) + FA5 (swear). FA7 closes. Default execution order: FA1,
-FA2, FA3, FA4, FA5, FA6, FA7.
-
-| Slice | Contract (summary) | Gate |
-|---|---|---|
-| FA1 | Core.Net truth: repair fellowship builders + re-pin golden vectors; add `0x0290`/`0x0291`/`0x00A6`/`0x001F`; the allegiance action set the panel needs (swear/break/kick/info at minimum; the rest of the 27 as builders only where ACE serves them); parsers for the 11 S→C events incl. the profile version gates (extending `ParseAllegianceInfoResponse`) and the tree discard/reversal rules; complete the confirmation triple; ~~add the 8 WeenieError strings~~ **[FA1 fix-round addendum, 2026-08-12: shipped as CONFIRM-ABSENT instead — see D9's addendum. The 8 ids have no retail display text; acdream's silence is already faithful and a conformance test pins it.]**; DELETE `AllegianceTree` | automated only |
-| FA2 | `RuntimeFellowshipState` + `RuntimeAllegianceState` (lane D's 8-edit template each); single-site inbound wiring serving BOTH hosts; typed commands/views; snapshot revisions; reset/reconnect semantics (~~session-scoped vs seed-latched~~ **[FA2 fix-round: both session-scoped — see D2's addendum]**); bot event surface via polling | automated only |
-| FA3 | The social panel shell: mount slot `0x1000018F` (catalog id 12), F3/F4 handlers, fixture dump of the slot (closes U3/U4/U6/U7/U10), tab activation, all four pages' empty states, Friends/Squelch read-only binding to J4.1 state | user (connected) |
-| FA4 | Fellowship page live: roster rows (adds `UiTemplateListBox` Flush/selection/row-instance-id — lane A sized this), the `0x00A6` show/hide declaration + vitals stream, create dialog (inline name field, shareXP), recruit/dismiss/quit/disband/leader + confirmations, share display per D5, option-row un-dims per D7 | user (connected) + bot |
-| FA5 | Allegiance page live: ~~profile parse on show (`0x027B`)~~ **[FA2 re-review CF-1 correction, 2026-08-12: the DATA subscription is `0x001F AllegianceUpdateRequest(on)` — retail arms it at `PostInit`, `RecvNotice_PlayerDescReceived`, and the panel's visible branch, and `0x0020 AllegianceUpdate` is the sole owner-seeder after the FA2 MF-2 fix; `0x027B`'s response is text-only chat. FA5 wires `0x001F(on)` at those lifecycle points (off on hide per retail's visible branch) or the panel opens with chat text and no data]**; monarch/patron/self blocks, flat vassal list with the reversal rule honored, swear/break/kick + confirmations, ACE zeroed-field presentation scoped honestly (register row). **[FA3 fix-round addendum, 2026-08-12 (mechanism SF-7): FA3 shipped a COARSER empty-state gate than retail's own — both the monarch and patron blocks hide/show together on the single `RuntimeAllegianceSnapshot.HasProfile` flag. Retail's `gmAllegianceUI::UpdateMonarchData @0x00491B40` gates PER-RELATIONSHIP: the monarch block additionally hides when the monarch IS the viewer, and the patron block hides on the analogous test. FA5 MUST widen `SocialPanelController.Callbacks.AllegianceSnapshot` (today `Func`) to reach the per-relationship data `IRuntimeAllegianceView.TryGetMonarch`/`TryGetPatron` already expose (`GameRuntimeGameplayViews.cs:200-204`) and implement the real gate — a monarch character must NOT see an empty, visible monarch block, and a patron-of-the-monarch character must NOT see an empty, visible patron block. `SocialAllegiancePageController.Tick` also reassigns `LinesProvider` UNCONDITIONALLY every frame today — FA5's real name population must change this method in the same commit or its content is overwritten the next frame.]** | user (connected) + bot |
-| FA6 | Bot-vs-ACE automated gates: second-account config (USER PREREQUISITE), role-discriminated policy, the 7 Runtime commands + 7 named assertions (decisive: the recruited/sworn bot's own snapshot flips), reconnect-idempotence | automated + bot-vs-ACE run |
-| FA7 | Closeout: register reconciliation, ISSUES sweep, CLAUDE.md Current-state paragraph, memory digest, the connected-gate test script (the campaign's stop condition) | user's final connected matrix |
-
-## 4. What is explicitly OUT of scope
-
-- Friends/Squelch mutation wire beyond D1's trivially-pinnable bar
- (post-campaign completion; register rows).
-- Allegiance officer/MOTD/banlist management UI — ACE zeroes or ignores
- most of it (lane C §ACE-caveats); builders may exist from FA1 but no
- panel surface beyond what the authored layout carries.
-- XP passup FORMULAS client-side — `_cp_tithed` arrives pre-computed; the
- deleted `AllegianceTree` transcription is not replaced.
-- The `0x01C9`/`0x01CA` dead opcodes (COMDAT-folded no-ops in retail).
-
-## 5. Verification discipline
-
-Per commit: `dotnet build -c Release` + FULL Release suite green
-(baseline at plan time: 13,103 / 4 skips / 0 failures at `28bef4e0`+the
-gate-4 fixes). Golden byte vectors for every wire builder against the
-lane-B/C field-order sections. Conformance pins for every panel
-inventory and the tab table. The live-DAT probe harness
-(`ACDREAM_PROBE_LIVE_MOUNT=1`) extended per slice — fixture-green alone
-is NOT acceptance for anything mounted (the #372/#375/#378 lesson).
-Register rows in the same commit as the deviation. No user-visible
-invented English ever.
-
-## 6. Campaign OP lessons imported as binding rules
-
-From `claude-memory/project_settings_options_digest.md`'s DO-NOT-RETRY
-table and the gate rounds: pass the string resolver to EVERY
-`LayoutImporter.Build`; same-layout template-list prototypes are skipped
-by the importer (verify for this layout's templates); activate the Type-8
-host or pages stack; seed lazily-created fill-anchored children with
-their parent extent; scoped `FindDescendant` for every id that repeats
-across pages (lane A: `0x10000492` twice INSIDE the allegiance page);
-popups get pointer priority via the UiRoot popup registration; straddling
-rows clip (never whole-cull); BN literal-0 operands are byte-verified
-before use.
-
-## 7. Review protocol
-
-Dual-lens Opus review per slice (mechanism-faithfulness ×
-regression/blast-radius), fixes applied by the implementer; REJECT →
-focused re-review; TWO failures → Fable fixes directly. Findings
-persisted to a committed doc BEFORE any fixer/re-reviewer dispatch.
-
-## 8. Process rules (binding, inherited from Campaign OP)
-
-Max 3–4 agents in parallel INCLUDING children; every agent prompt
-carries an explicit no-subagent clause; ONE builder/tester on the tree
-at a time (read-only research may overlap); agents never launch the
-graphical client (headless bot-vs-ACE runs are allowed); the user runs
-connected gates; ledger placeholders anchored per-row; decomp claims
-byte-verified against the PDB-paired binary; stalled agents resumed via
-SendMessage before any redo; agent claims spot-verified at the seams
-before anything builds on them.
-
-## 9. Ledger
-
-| Slice | Status | Commit(s) | Review | Gate |
-|---|---|---|---|---|
-| FA1 | **CLOSED 2026-08-12** — narrow re-review verdict CLOSED, no reopen (`96df892d`, §7 of the mechanism findings doc: all 7 mechanism dispositions re-derived in the diffs, all 6 blast dispositions spot-verified, suite claim corroborated on post-fix binaries); re-review carry-forward CF-1 (two further stale `AllegianceTree` citations in the seam map's FA2 guidance, `:128`/`:214`) closed by coordinator addenda in the same commit as this ledger update — FA2 was contracted not to start before that | `7be86f47` (builders), `6bedbc47` (parsers), `5f9aa16f` (WeenieError), `4281750b` (delete AllegianceTree); fix-round: `ed308087` (mechanism+blast MUST/SHOULD-FIX code+tests), this commit (register/plan/seams doc corrections) | mechanism `docs/research/2026-08-12-fa1-review-mechanism.md` (2 MUST-FIX, 5 SHOULD-FIX, all applied); blast `docs/research/2026-08-12-fa1-review-blast.md` (4 MUST-FIX, 5 SHOULD-FIX, all applied). **Live-surface note (blast SF-1):** FA1 changed the observable output of the ALREADY-LIVE `@allegiance info` command in two retail-faithful ways — vassal print order reversed (now pinned by a 3-vassal test through `FormatAllegianceInfoLines`) and a malformed tree now prints nothing instead of a partial roster (now pinned at the `GameEventWiring` layer) — not a "purely unwired" slice. | automated: Release build + full suite green throughout. **Reconciled totals (blast MF-4):** the ledger's own prior figure (13,149/4/0) is CONFIRMED correct by direct measurement at the pre-fix-round tip `bc693728` (13,153 total = 4+916+1559+15+130+119+4856+877+4677 across all 9 test projects); the campaign-start baseline in §5 is 13,103/4/0, and the diff-verified FA1 delta is **+58 added / −9 deleted (deleted `AllegianceTreeTests.cs`) = net +49**, i.e. 13,103+49=13,152 — one test of drift against the directly-measured 13,153/13,149 baseline, attributed to the §5 baseline being captured at a different point in git history than the FA1 diff's actual parent, not a further miscount. This fix round adds a further **+9 tests** (2 golden vectors for the new `0x001F` builder, 1 D5 `<<1` pin at the `0x02C0` site, 4 MF-1/SF-1 boundary tests, 2 blast SF-1 live-surface pins) — **final: 13,158 passed / 4 skipped / 0 failed (13,162 total), directly measured.** |
-| FA2 | **FIX-ROUND CLOSED 2026-08-12** — both reviews' MUST-FIX/SHOULD-FIX findings applied; automated gate only, per contract | `RuntimeFellowshipState`/`RuntimeAllegianceState` (2 new sibling J-owners, `src/AcDream.Runtime/Gameplay/`), the full 8-edit template applied twice (`GameRuntime.cs`, `RuntimeGenerationReset.cs`, `RuntimeGameplayOwnership.cs`/`RuntimeSimulationOwnership.cs`, `GameRuntimeGameplayViews.cs`, `GameRuntimeCommands.cs`, `GameRuntimeEvents.cs`, `GameRuntimeViews.cs`), ~~12 new `WorldSession.Send*` wrappers, 15 new `GameEventWiring.WireAll` delegate holes~~ **[FA2 fix-round addendum, 2026-08-12 (docs/research/2026-08-12-fa2-review-blast.md SHOULD-FIX 3): both counts were wrong. `WorldSession.cs:2318-2404` adds **11** new `Send*` wrappers (7 fellowship + 4 allegiance) — `SendAllegianceInfoRequest` pre-dates FA2; the **12** figure belongs to a different count, `cced83b4`'s `*RuntimeCmd` records / `LiveSessionCommandBindings` send delegates. `GameEventWiring.cs:107-120` adds **10** delegate holes (9 new + the `0x027C` fold), not 15 — matching the "11 S→C events" the seam doc's §2.3 table names, of which 2 (`0x01C9`/`0x01CA`) are correctly left unregistered (dead COMDAT-fold no-ops) and 1 (`0x027C`) was already registered pre-FA2.]** registered at the single site (`LiveSessionEventRouter.cs`), both `LiveSocialSessionBindings` construction sites updated (`LiveSessionRuntimeFactory.cs`, `HeadlessSessionHost.cs`), `IRuntimeFellowshipCommands`/`IRuntimeAllegianceCommands` implemented on both host command adapters (`DirectGameRuntimeCommandAdapter`, `CurrentGameRuntimeCommandAdapter` + its `LiveSessionCommandRouter`/`LiveSessionCommandBindings` App-bus plumbing), divergence register rows TS-81 (filed) + TS-80 (narrowed); fix-round: `4272ad0e` (mechanism MUST-FIX 1/2 + blast MUST-FIX 1/2 + blast SF-1 + mechanism SF-2 — allegiance reset semantics, 0x027C stops seeding, teardown-ledger off-by-one, conditional delegate holes, disposed-checks-inside-lock), `ded23067` (mechanism SF-3/4/5/6 + blast SF-4/5/7 — RecalculateEvenXPSplitting, locked/departed admission gate, AllegianceProfileLookups reuse, non-null checkpoint defaults, router self/other-quit test, ResetSession disposed-guard parity, GetVassals allocation doc), this commit (register/plan/seams doc corrections) | mechanism `docs/research/2026-08-12-fa2-review-mechanism.md` (2 MUST-FIX, 6 SHOULD-FIX, all applied); blast `docs/research/2026-08-12-fa2-review-blast.md` (2 MUST-FIX, 7 SHOULD-FIX, all applied). **Allegiance register-row re-evaluation (blast SF-6):** the design blast SF-6 asked to be either dropped or given a register row is now fully retired by MF-1's fix — `RuntimeAllegianceState` clears at every generation reset exactly like `RuntimeFellowshipState` and exactly like retail's `OnEndCharacterSession` hook, so there is no remaining acdream-vs-retail deviation for allegiance persistence to name a row for. No register row added; conclusion recorded here per the fix-round contract. | automated: Release build + full suite green throughout. **Pre-fix-round baseline 13,201/4/0 (13,205 total, measured at `12053e61` by the blast review) → fix-round 13,215/4/0 (13,219 total), +14 tests, arithmetic exact:** `RuntimeAllegianceStateTests.cs` net +2 (−1 deleted `ApplyInfoResponseSelf_...`, +3 new `ResetSession_*`), `RuntimeFellowshipStateTests.cs` +10 (1 `ResetSession_AfterDispose_...` + 3 `[Theory]` cases for `RecalculateEvenXPSplitting` + 1 `ShareXp`-off case + 1 full-update-never-recomputes case + 4 locked/departed admission-gate cases), `GameRuntimeTests.cs` +1 (`CompletedTeardownStagesAccumulatesExactlyOneFlagPerStage`), `Session/LiveSessionEventRouterTests.cs` +1 (`FellowshipQuit_RoutesSelfGuidToClearAndOtherGuidToRemove`); `RuntimeGenerationResetTests.cs` and `GameEventWiringTests.cs` each renamed one test in place (net 0); `GameRuntimeContractTests.cs` gained two trailing constructor arguments at its sole positional `RuntimeStateCheckpoint` site (compile-fix only, no new test). |
-| FA3 | **FIX-ROUND CLOSED 2026-08-12** — both reviews' MUST-FIX/SHOULD-FIX/NIT findings applied; still owes the user's connected gate (script: `docs/research/2026-08-12-campaign-fa-test-script.md`, itself corrected by this fix round — see MF-1/MF-2 below). | `0a9ca2f1` (`SocialPanelController` + 4 per-page controllers + `SocialPanelRowText`, `UiTemplateListBox.Flush`, `RetailPanelCatalog.SocialPanel`/`WindowNames.SocialPanel`, `RetailUiRuntime` Mount/Tick/F3/F4 wiring, `InteractionRetainedUiComposition`'s `SocialRuntimeBindings`, register row AD-79); `74c3d85d` (fixture generator entry + committed `social_panel_2100006E_1000018F.json`, `SocialPanelLiveMountProbeTests`, `SocialPanelControllerTests`, `RetailPanelCatalogTests` additions, `FixtureLoader` additions); `b6a25110`/`d7e1cffd` (gate script + ledger + research addendum). Fix-round: `9afa05b5` (blast MF-1 scrollbar wiring + blast SF-2/SF-3 rebuild discipline/revision-latch ordering + mechanism SF-1 F3/F4 relabel + mechanism SF-8 disposed guard, code+tests), `35c40a9b` (mechanism SF-2/blast SF-4 allegiance per-frame allocation hoist + mechanism SF-7 coarser-gate FA5 acceptance line), `ae772709` (mechanism SF-4 fellowship checkbox count + mechanism SF-9 row-text doc + blast SF-5 Flush doc + mechanism SF-3 probe assertions), `a5553904` (mechanism MF-1/MF-2 gate-script corrections + mechanism SF-4 gate-script hedge fix + blast N-8 two new gate steps + blast SF-6 #383 timing correction + blast SF-7 bold-marker fix + mechanism SF-1 research-doc U11), this commit (ledger update). | mechanism `docs/research/2026-08-12-fa3-review-mechanism.md` (2 MUST-FIX, 9 SHOULD-FIX, all applied); blast `docs/research/2026-08-12-fa3-review-blast.md` (1 MUST-FIX, 6 SHOULD-FIX, 1 NIT, all applied). **Live-DAT finding (corrects the coordinator addendum, §10):** the real authored `0x2E` tab table pairs button `0x1000028C` ("Allegiance" caption) with page `0x10000291` as the DEFAULT entry — NOT Friends, which the addendum's x-order guess implied; each page's own `P0x57` independently corroborates (Allegiance page `P0x57=0x1000000E` == `ToggleAllegiancePanel`/F3, Fellowship page `P0x57=0x1000000F` == `ToggleFellowshipPanel`/F4). See `SocialPanelController`'s class doc for the full corrected table. **Unrelated fixture drift caught and reverted:** the `ACDREAM_REGENERATE_UI_FIXTURES=1` run used to produce the new fixture also silently regenerated `keyboard_config_21000009.json` and `options_2100002B.json` with large diffs against this machine's currently-installed DAT (pre-existing environment drift, not FA3-caused) — both were `git checkout`'d back to HEAD before committing; only the new fixture is included; the fix round's blast SF-6 correction narrows this drift to exactly those two OP-era fixtures (git timestamps put the drift window at ~18-21h, same day, not "days ago" as originally filed) and adds the mechanism reviewer's independent no-drift confirmation for the new social-panel fixture itself. Friends/Squelch action buttons are honest INERT per D1 (register row AD-79, one row covering both pages' seven controls, not one per button — now cited BY NAME in both page controllers' own doc comments, mechanism SF-6). The fix round's two connected-gate corrections (mechanism MF-1/MF-2) matter most for the still-owed user gate: the script previously carried a REFUTED tab x-order into step 1/9/10 (priming the user to report the correct Allegiance-left-most layout as wrong) and sent the user to a `@allegiance info`-reveals-the-panel trigger that cannot fire post-FA2 (told to report it as a bug when it correctly did nothing) — both are corrected to state the true FA3 expectation. | automated: Release build green throughout; full solution suite green at every commit. **Pre-fix-round baseline 13,233/4/0 (13,237 total) → fix-round 13,238/4/0 (13,242 total), +5 tests, arithmetic exact:** `SocialPanelControllerTests.cs` +5 (`Friends_ScrollbarModel_IsWiredToListBoxScroll`, `Squelch_ScrollbarModel_IsWiredToListBoxScroll`, `Friends_LongRoster_IsReachableViaScrollbar`, `Squelch_LongRoster_IsReachableViaScrollbar`, `Friends_RevisionBumpWhileHidden_DoesNotRebuild_ButRebuildsOnShow`); `SocialPanelLiveMountProbeTests.cs` gained two new assertions inside its existing single env-gated `[Fact]` (net 0 new test count — trivially passes without `ACDREAM_PROBE_LIVE_MOUNT=1`, same as before); two existing `SocialPanelControllerTests.cs` tests were extended in place (`FriendsAndSquelchActionButtons_AreClickable_ButHaveNoHandler` now also covers `0x1000052C`; `Friends_ReactsToRevisionChange_OnTick` now calls `OnShown()` to match the new visibility gate) — net 0 new tests from those two. Directly measured per-project: Cli 4, UI.Abstractions 916, Runtime 1607, Bake 15, Content 130, Headless 119, App 4876/3 skip, Core.Net 895, Core 4676/1 skip — sum 13,238 passed / 4 skipped / 0 failed. |
-| FA4 | **CODE-CLOSED 2026-08-12, connected gate OWED** — both dual-lens reviews' items applied (5 MUST-FIX + 9 SHOULD-FIX + 4 NIT mechanism; 1 SHOULD-FIX blast), narrow re-review CLOSED with ONE REOPEN (MF-3 0x00A6 placed pre-world), coordinator re-fix `04161def` (latch-advances-only-on-Accepted + RedeclareAfterWorldEntry wired to the post-world EnteredWorld seam; RED-verified regression pins), re-review of the re-fix CLOSED `06dbf1cf` (seam ordering traced: RestoreLayout fires after _inWorld=true + command activation). Final full suite 13,286/4/0. The user's connected gate (several steps `[TWO-CLIENT]`, deferrable to FA6) remains owed. | Original: `357d2032` (Runtime: `IRuntimeFellowshipView.GetMembers`, `SelectionChangeSource.Social`, +4 `RuntimeFellowshipStateTests`); `5bdd0528` (App: `SocialFellowshipPageController` roster/D4/create/actions/checkboxes rewrite, `RowTemplateResolver` extraction, `UiTemplateListBox.FlushPreservingScroll`, `RetailUiRuntime` D6 intercept + `MountSocialPanel` rewiring, Friends/Squelch scrollbar carry-forward 3, `CharacterOptionsPageController` D7 un-dim, extended `SocialPanelLiveMountProbeTests`, +30 tests); `38f08314` (register rows AD-80/AD-81 + AD-78 addendum, gate script §FA4, ledger). **Fix round** (`docs/research/2026-08-12-fa4-review-mechanism.md` + `-blast.md`): `290f9b58` (MUST-FIX 2 — delete `TryAutoRespondToFellowshipInvite`; type-4 dialog test); `5499f058` (MUST-FIX 1 D5 truncation + MUST-FIX 4 world→panel selection sync + SF-1/SF-2/SF-3/N-0/N-1/N-2/N-3, all in `SocialFellowshipPageController.cs`); `df000306` (MUST-FIX 3 panel-level 0x00A6 reconnect re-arm + SF-4 `Dispose` unsubscribe, `SocialPanelController.cs`); `300d8189` (D6/D7/SF-8 dimming reversal — `IgnoreFellowshipRequests`/`FellowshipAutoAcceptRequests`/`FellowshipShareLoot` revert to `StoreOnly`, only `FellowshipShareXP` stays `Live`); `55b17e15` (SF-6 live-mount-probe assertions); `1d743277` (register AD-82/AD-83 + AD-78 count correction, gate-script SF-7/MUST-FIX-1/3/4/2 corrections, plan D7 SF-8 addendum); this commit (ledger). | owed | automated: Release build green throughout; full solution suite green at every commit, both original and fix round. **Original baseline 13,238/4/0 (13,242 total) → FA4-original 13,272/4/0 (13,276 total), +34 tests.** **Fix-round delta: +13 tests, 0 deletions** (the D6 intercept had no dedicated tests to remove) — `SocialFellowshipPageControllerTests.cs` +8 (2 new `[InlineData]` cases on the existing D5 theory for 6/8-fellow truncation, +6 new `[Fact]`: member-leaves/selection-clear, row-build-failure-doesn't-retry, Recruit-reads-membership, world-selects-fellow, world-selects-non-fellow-keeps-selection, optimistic-caption); `SocialPanelControllerTests.cs` +4 (`[Fact]`: D4 panel-level conjunction, reconnect re-arms, reconnect stays silent when not open, Dispose unsubscribes); `GameplayConfirmationControllerTests.cs` +1 (`[Fact]`: type-4 dialog verbatim + accept). `CharacterOptionsPageControllerTests.cs` (dimming set content changed, count 31/19 → 34/16, net 0 new tests) and `SocialPanelLiveMountProbeTests.cs` (assertions added inside its existing env-gated `[Fact]`, net 0 new tests) extended in place. **Final: 13,285 passed / 4 skipped / 0 failed (13,289 total), directly measured** (13,272 + 13 = 13,285; 4 skips unchanged; arithmetic exact). Per-finding disposition: MUST-FIX 1/2/3/4/5 fixed; mechanism SHOULD-FIX 1-9 and NIT N-0/N-1/N-2/N-3 all applied; blast SHOULD-FIX 1 (AD-78 stale count) fixed. Dimmed-row count: 35 (pre-FA4) → 31 (FA4-original, incorrect) → **34 of 50 (fix-round final, correct)** / 16 live — net ONE row (`FellowshipShareXP`) un-dimmed from the pre-FA4 baseline, not four.** `RuntimeFellowshipStateTests.cs` +4 (`GetMembers_*`); `RowTemplateResolverTests.cs` +3; `UiTemplateListBoxFlushPreservingScrollTests.cs` +4; `SocialFellowshipPageControllerTests.cs` +23 (new file — roster build/diff/rebuild, D5 formatting, create-flow gating, member-action wiring, button-enable rules, checkbox wiring, D4 idempotency). `CharacterOptionsPageControllerTests.cs`/`SocialPanelControllerTests.cs`/`SocialPanelLiveMountProbeTests.cs` extended in place (net 0 new tests from those three — one existing assertion's expected counts changed, one probe test gained assertions inside its existing single env-gated `[Fact]`). **Live-DAT verification (`ACDREAM_PROBE_LIVE_MOUNT=1`, real installed DATs, not a fixture):** the fellowship name-entry field builds as `UiField` (Editable=1 confirmed authored), all 11 buttons/checkboxes resolve as `UiButton`, the ListBox's sole template pair (`0x21000030`/`0x10000281`) resolves through the production `RowTemplateResolver` with all 5 checked row fields at the right widget types, every checkbox label/tooltip resolves to real retail English (`ID_PlayerOption_*` in `0x23000003`), the Open/Close captions resolve to `"Open"`/`"Close"` (`ID_Fellowship_*` in `0x23000001`), and a full production-path `SocialFellowshipPageController.Bind()` against the live layout emits zero "not found" console warnings. **Structural finding (not a bug, a design confirmation):** the live dump shows the name field, Create button, and all four checkboxes are children of `0x1000026B` (the NOT-in-fellowship frame) — retail's Create-flow controls are visible ONLY while you have no fellowship, never simultaneously with the roster; the existing empty/full frame-visibility swap already produces this for free (child visibility cascades from an invisible ancestor — `UiElement.cs:486/540/573/586`), so no extra gating code was needed. **Contradictions/deferrals:** (1) the retail `StringInfo` variable-substitution engine (`StringInfo::InqString` → `StringTableMetaLanguage::UnescapeString`) is unresolved in this campaign's decomp scope — row/stats/vitals text renders as numeric composites, not retail's exact sentence (AD-81); (2) `ACCharGenData::FormatName` is unported — the Create flow sends the raw typed name, not retail's canonicalized form (also AD-81); (3) the D5 percentage table's proportional (non-even-split) branch needs a per-level XP-to-next-level table acdream does not have — that branch omits the percentage rather than computing one (documented in `FormatStatsText`'s own doc, not a separate register row); (4) the Recruit button's enable rule does not gate on "target is a player" (retail does) — acdream's UI layer has no cheap classification for this, and the server refuses a non-player target the same way retail's own click-handler silently no-ops, so this is a superset-of-retail enable rule, not a wire-behavior gap. **[FIX-ROUND CORRECTION: item (4)'s "inline comment, not a register row" disposition was itself the wrong call under the register rule (MUST-FIX 5) — filed as register row AD-83 in the fix round.]** |
-| FA5 | **CODE-CLOSED 2026-08-12, connected gate OWED** — dual-lens review APPROVE-WITH-FIXES (mechanism `f12aefe9`: 1 LOW SHOULD-FIX + nits, **live-mount probe RAN + PASSED against real installed DATs** incl. the scoped doubled-`0x10000492` `NotSame` check — the anti-fixture-green safeguard the implementer couldn't run; blast `b6c4a4fa`: 1 doc-only SHOULD-FIX + 2 nits, all structural axes clean) → coordinator SF-1 fix `eac28dc1` (removed the invented offline-vassal name-grey — retail's cue is the authored `0x100004AA` marker alone; pinned by `Allegiance_OfflineCue_IsTheMarkerOnly_NameStaysWhite`; AD-82 addendum + AD-86 count corrected; the blast doc-only baseline off-by-one fixed in this row below). Full suite **13,297/4/0**. The user's connected gate (several steps `[TWO-CLIENT]`, deferrable to FA6) remains owed. **[Original implementer pass:]** The allegiance page is fully live against FA1's parser and FA2's already-shipped `RuntimeAllegianceState`/`IRuntimeAllegianceCommands` (no Runtime-layer changes needed this slice — FA2 had already built `SetUpdateSubscription`, `Swear`, `Break`, `Kick`, and the full `IRuntimeAllegianceView` accessor set). CF-1's corrected `0x001F` subscription is wired at all three retail arming points (`Bind`'s PostInit attempt, the post-world `EnteredWorld` seam via `RedeclareAfterWorldEntry` — UNCONDITIONAL, explicitly NOT edge-triggered, to avoid repeating FA4's MF-3-REOPEN bug class — and the visible-branch toggle via `SetPageVisible`, folded into `SocialPanelController`'s existing window-shown+active-tab conjunction). Monarch/patron/self blocks implement fix-round SF-7's per-relationship gate (fresh decompile of `UpdatePlayerData`/`UpdateMonarchData`/`UpdatePatronData` pinned every field source: `0x10000251` is the ALLEGIANCE's own name not the viewer's, followers are `TotalVassals`/`TotalMembers-1` straight off the wire, `0x10000492`'s doubled instances are the viewer's own `CpTithed`). The vassal roster reuses FA4's `FlushPreservingScroll` diff pattern in the wire's already-reversed order. Swear/Break/Kick each open a local confirmation dialog before sending (Swear targets the WORLD selection via the same `ClientObjectTable` name resolver `ToolbarRuntimeBindings.ResolveName` uses; Break targets the current patron; Kick targets the panel-local selected vassal row, no world-selection sync, lane A §6.2); the server-driven "accept incoming swear" (`ConfirmationType` 1) needed no new code since `GameplayConfirmationController` already handles every type generically — a new test verifies this explicitly rather than assuming FA4's blast review's claim. Four new register rows: AD-84 (Swear's missing IsPlayer gate, mirrors AD-83), AD-85 (the unported `StringInfo` gap extended to Allegiance's numeric fields + three confirmation dialogs, mirrors AD-81), AD-86 (ACE's seven zeroed profile fields, dropped past acdream's own parse layer to match retail's own no-widget presentation), and an addendum bracket on AD-82 (the vassal-row click-target limitation recurs, but NOT its invented tint colors or its Fellowship-only world-sync). | `7ed79eaf` (code: Runtime command wrapper (`InteractionUiRuntimeSources.cs`), `SocialRuntimeBindings`/`MountSocialPanel` widening (`RetailUiRuntime.cs`), the Allegiance projection delegates (`InteractionRetainedUiComposition.cs`), `SocialPanelController`'s CF-1 wiring, the full `SocialAllegiancePageController.cs` rewrite, plus 10 new `SocialPanelControllerTests.cs` tests, 1 new `GameplayConfirmationControllerTests.cs` type-1 test, and the `SocialPanelLiveMountProbeTests.cs` production-mount extension); this commit (register rows AD-84/AD-85/AD-86 + AD-82 addendum, gate-script §FA5, ledger) | owed | automated: Release build green throughout; full solution suite green. **Baseline 13,286/4/0 (FA4's TRUE close after the MF-3 re-fix `04161def` added the widget test — blast SF-1 corrected the FA5 pass's "13,285/+11" citation, which used FA4's pre-re-fix intermediate figure) → FA5 implementer pass 13,296/4/0, +10 tests net** (`SocialPanelControllerTests.cs` nets +9: the old coarse-gate `Allegiance_HasProfile_ShowsBothBlocks` is REMOVED and replaced by 4 SF-7 per-relationship tests, 1 roster-population test, 3 swear/break/kick wiring tests, and 2 CF-1 subscription-arming tests — 10 added, 1 removed; `GameplayConfirmationControllerTests.cs` +1 the type-1 verification test; `SocialPanelLiveMountProbeTests.cs` extended in place, net 0). **Coordinator SF-1 fix `eac28dc1`: +1 test** (`Allegiance_OfflineCue_IsTheMarkerOnly_NameStaysWhite`; `OfflineNameColor` removed, no test deletion) → **final 13,297/4/0, directly measured.** **Live-DAT verification RAN + PASSED at the mechanism review** (`ACDREAM_PROBE_LIVE_MOUNT=1`, real installed DATs, `Passed:1 Failed:0`): the scoped `0x10000492` dual-resolution `NotSame`, `passupCount==2`, the vassal row template/checkbox/five confirmation-label strings resolving non-empty, and a full production `SocialAllegiancePageController.Bind()` with zero "not found" — the safeguard the implementer's own worktree lacked the DATs to run. **Contradictions/deferrals:** (1) the self-rank field (`0x10000253`) retail-sources from a LIVE buffed-quality query (`CBaseQualities::InqInt(qualities, 0x1e)`, i.e. `PropertyInt.AllegianceRank`) plus a 20-table title lookup (`AllegianceData::GetTitle`) neither of which this controller has a seam for — substitutes the numerically-equivalent `RuntimeAllegianceSnapshot.Rank` from the same `0x0020` message, rendered bare (documented in the class doc, not a separate register row since it is a data-source substitution rather than a presentation gap); (2) "your follower count" (`0x10000252`) was NOT explicitly formula-cited in the panel-structure research doc — a targeted fresh decompile of `UpdatePlayerData` (`pseudo_c:157629`) confirmed `_total_vassals` directly, resolving the ambiguity from primary source rather than inferring it. | `docs/research/2026-08-12-campaign-fa-test-script.md` §FA5 (new, mirrors §FA4's structure: CF-1 subscription steps, the SF-7 per-relationship steps, vassal-list steps, swear/break/kick with their confirmations, `[TWO-CLIENT]` tags deferrable to FA6, ACE-zeroed-field honesty, full "what to report"/"explicitly not in scope" lists) |
-| FA6 | **FELLOWSHIP AUTOMATED GATE PASSED LIVE 2026-08-12; ALLEGIANCE BOT GATE DEFERRED** — six live runs against local ACE (`testaccount`/`+Acdream` as Leader, `testaccount2`/`+Horan` as Recruit). The decisive two-session fellowship assertion (the RECRUITED bot's own `RuntimeFellowshipState` — a separate process's canonical Runtime owner, not the Leader's local echo — flipping `IsInFellowship=true`, `MemberCount=2`, `LeaderGuid=0x5000000A`) passed identically in five of the six live runs (1, 3, 4, 5, 6 — every run except run 2, which hit the wrong-target bug below before the fix); the D4 panel-open declaration and recruit-vitals presence (`maxHealth=201`) were confirmed alongside it. Two real live-run findings were fixed in-slice: run 1's fellowship pass then stalled waiting on the allegiance swear, which investigation traced to headless hosts dropping every server-driven confirmation (`OnConfirmationRequest: null`), fixed by wiring a single-slot confirmation-relay latch on `HeadlessSessionHost`; run 2 found a stray third player character on the shared ACE dev instance (`+Je`, `0x50000001`) could be nearer than the actual Recruit bot after `@teleallto`, fixed by `RuntimeFriendlyTargetQuery.FindPlayerByName` (name-matched via `FellowshipAllegianceGateCoordinator`, which carries the Recruit bot's own discovered name — the D8 "discover it live" mechanism) replacing the ambiguous "nearest any player" query. The ALLEGIANCE swear never completes over the wire: ACE returns nothing at all to `Event_SwearAllegiance (0x001D)` — no `0x0274` confirmation, no `0x0020`, no error — confirmed at 0.005 m separation (run6's distance diagnostic), ruling out retail's 2.0 m swear-distance gate. Filed `docs/ISSUES.md` #384 and register row AD-87; `AllegianceGateEnabled` (both policy classes) is `false` by default, keeping every allegiance stage (Leader's `WaitForVassal`; Recruit's `Swear`/`WaitSwornSeed`/`Break`/`WaitBrokenSeed`) written, wired, and ready to re-enable once #384 closes. Per user direction, no further live iteration on the allegiance blocker this slice — deferred to the user's own connected gate (manual swear between two graphical clients). | `6b8e29cd` (`RuntimeFriendlyTargetQuery` + 4 tests), `28255890` (role-discriminated policy + the two-bot gate policy pair), `11641597` (confirmation relay, targeting the LEADER per the wire research's "Target (would-be patron)" step 4 — independently re-verified against `docs/research/2026-08-11-fa-allegiance-wire.md` §1.3 primary source during this slice, which settles that the confirmation belongs on the patron's client, not the swearer's), `ab79b91f` (name-matched proximity + `FindPlayerByName` + 3 tests), `5244e46d` (fellowship-only finalization: `AllegianceGateEnabled` flag, permanent diagnostics), `022b1844` (docs: #384 + AD-87) | none (automated + bot-vs-ACE only, per the plan's own Gate column) | automated + bot-vs-ACE run: `dotnet build -c Release` and the full solution suite green at every commit (final **13,304 passed / 4 skipped / 0 failed**, baseline 13,297/4/0 + 7 new `RuntimeFriendlyTargetQueryTests`). Six live bot-vs-ACE runs against local ACE `127.0.0.1:9000`; every session ended with ACE-confirmed graceful per-character logout (`[session] graceful logout confirmed`) except run 1's very first `idle`-policy probe of `testaccount2`, which an external `timeout` wrapper hard-killed before this slice adopted self-terminating policy runs — the ~3-minute ACE stale-session wait that followed is the only deviation from clean teardown across the whole slice. |
-| FA7 | — | | | |
diff --git a/docs/plans/2026-08-14-launcher-campaign.md b/docs/plans/2026-08-14-launcher-campaign.md
deleted file mode 100644
index 9d9949c4..00000000
--- a/docs/plans/2026-08-14-launcher-campaign.md
+++ /dev/null
@@ -1,860 +0,0 @@
-# Campaign LA — launcher / installer / updater + retail character-select
-
-**Status:** ACTIVE (started 2026-08-14)
-**Spec (approved):** `docs/superpowers/specs/2026-08-14-launcher-campaign-design.md`
-**Memory crib:** `claude-memory/project_launcher_direction.md`
-**Branch:** `claude/acdream-launcher-credentials-4d2f7c` (merge to main at coherent checkpoints)
-
-Campaign LA ships the alpha launcher (Avalonia, Windows + Linux): triple-duty
-launcher + installer + updater, ThwargLauncher-model profiles with full in-UI
-CRUD, plaintext credential file (user-decided), file-contract orchestration of
-`AcDream.App` and `AcDream.Headless`, plugins + login commands on both hosts,
-the headless character probe, and the retail character-select screen (no
-Create). All architectural decisions live in the spec — this plan sequences
-the work.
-
-## Process (binding)
-
-- **Fable plans/sequences/integrates. Sonnet implements bounded slices. Opus
- reviews at every slice boundary, dual-lens:** (a) architectural — ownership,
- layering, dependency-guard integrity, seams; (b) retail fidelity vs
- `docs/research/named-retail/` wherever the slice touches retail behavior.
- Findings → fixes → narrow re-review.
-- Max 3–4 agents in parallel including children; subagents never spawn
- subagents; implementer prompts carry spec+plan paths, files-to-read,
- acceptance criteria, commit style.
-- `dotnet build` + `dotnet test` green before a slice is DONE; ≥1 commit per
- slice tagged `Campaign LA`; retail deviations add their
- `docs/architecture/retail-divergence-register.md` row in the same commit;
- no workarounds without explicit user approval.
-- Connected/visual gates are the ONLY stop-and-wait points; each gets an
- exact script under `docs/research/` and non-blocked slices keep moving.
-
-## Slice map
-
-| Slice | Deliverable | Depends on |
-|---|---|---|
-| LA0 | `AcDream.Platform` extraction (`ApplicationPathSet`) + guard amendments | — |
-| LA1 | Launch contract: App `--session-config` + stdin credential; status.jsonl writer both hosts; roster plumbing | LA0 |
-| LA2 | Headless probe mode + `idle` policy | LA1 |
-| LA3 | `AcDream.Launcher.Core`: profile store CRUD, config composition, spawn/supervise, status reader | LA0 (LA1 contract shapes) |
-| LA4 | `AcDream.Launcher` Avalonia UI: CRUD views, per-char settings, sessions, probe action | LA3 |
-| LA5 | Plugin hosting: headless `IPluginHost` + capability flag; session-driven plugin set both hosts | LA1 |
-| LA6 | Login commands: parser-core extraction + execution on both hosts | LA1, LA5 |
-| LA7 | Character-select: Runtime selection state + wire (delete/restore/error) + no-selector flow | LA1 |
-| LA8 | Character-select authored retail screen (flat listbox — NO 3D preview, recon-corrected) | LA7 |
-| LA9 | Installer: first-run wizard (DAT locate/validate, bake w/ progress, SHA record) | LA3, LA4 |
-| LA10 | Updater: GitHub Releases manifest, download/verify/install/swap, self-update | LA3, LA4 |
-| LA11 | Closeout: connected-gate script, roadmap/CLAUDE.md/memory, program ledger | all |
-
-Parallelism guide: LA3/LA4 (launcher side) proceed alongside LA5–LA8 (client
-side) — different assemblies, no shared files. LA9/LA10 close the launcher
-side; LA11 closes the campaign.
-
-## Linux posture (binding — user decision 2026-08-14)
-
-Everything the launcher does must WORK ON LINUX in this campaign, except
-GUI client launches: the Linux graphical client is Slice L, parked at L1,
-resuming later ("ok we will do it later"). Concretely:
-
-- **Linux-shipping in LA:** the Avalonia launcher UI, profile CRUD +
- 0600-permission file, installer (manual DAT picker — the auto-detect
- paths are Windows-only; `acdream-bake` is GL-free and runs on Linux),
- updater (staged swap; Linux can replace a running binary but keep the
- same staged-atomic flow), headless launches with plugins + login
- commands, and the character probe.
-- **Launcher UX on Linux:** the `gui` / `guiSelect` launch modes render
- disabled with an explicit "requires the Linux graphical client (Slice
- L)" note — never a silent failure.
-- **Per-slice enforcement:** every slice touching Launcher.Core, Headless,
- Runtime, Bake, or Platform runs its test projects on Linux (native
- Ubuntu or WSL, matching the K-slice practice) before the slice is DONE;
- LA4/LA9/LA10 additionally prove a real `linux-x64` self-contained
- publish. LA11's connected-gate script gets a Linux section: launcher on
- Ubuntu doing CRUD, probe, headless launch with plugin + login commands,
- first-run install with a manual DAT path, and an update swap.
-- When Slice L later ships, the launcher's Linux GUI modes light up with
- NO launcher changes (the session-config contract is host-agnostic) —
- that expectation is part of LA's design acceptance.
-
-## LA0 — `AcDream.Platform` extraction
-
-New BCL-only project `src/AcDream.Platform/` holding `ApplicationPathSet` +
-`IApplicationPathEnvironment` (today
-`src/AcDream.Runtime/Platform/ApplicationPathSet.cs` — self-contained, no
-intra-Runtime dependencies; clean cut). Runtime/App/Headless reference it.
-
-Recon facts (2026-08-14): blast radius is the definition, six source files
-(`GraphicalHostPlatformServices.cs`, `GraphicalLegacyConfigurationMigrator.cs`,
-`App/Program.cs`, `GameWindow.cs:533`, `HeadlessPathSet.cs`,
-`HeadlessPlatformEnvironment.cs`; two more files are doc-comment-only), two
-test files (`ApplicationPathSetTests.cs` moves to a new
-`tests/AcDream.Platform.Tests/`;
-`GraphicalLegacyConfigurationMigratorTests.cs` fixtures), and the dependency
-guards — CORRECTED post-review (the original recon here asserted the wrong
-guard, the C4-closeout failure mode): the K0 Headless guard
-(`HeadlessAssemblyReferencesOnlyTheRuntimeProject`) asserts HEADLESS's own
-csproj reference list, which this move does not touch — it stays UNCHANGED;
-the guard that actually needs amending is Runtime's own
-`RuntimeDependencyBoundaryTests.RuntimeProjectDeclaresOnlyApprovedProjectDependencies`
-(Runtime gains the `AcDream.Platform` reference), amended with a cited
-comment in the same commit. Namespace stays `AcDream.Runtime.Platform`?
-NO — rename to `AcDream.Platform` and fix the eight usings (clean naming beats
-avoiding a mechanical edit). Register new projects in `AcDream.slnx`.
-
-**Acceptance:** build + full test suite green; guard test asserts the new
-exact reference set; launcher-side consumability proven by the LA3 project
-referencing only `AcDream.Platform`.
-
-## LA1 — launch contract (client side)
-
-### Pinned launch-contract schema (v1, BINDING — committed per LA3 review)
-
-This text is the single source of truth for the launcher↔host file
-contract. Both host readers (LA1), the composer (LA3), and the probe
-loader (LA2) implement EXACTLY this; any change is an amendment to THIS
-section first, implementations second. The LA1+LA3 merge adds a
-cross-assembly test feeding a composer-produced document to both host
-loaders — that test is the seam's permanent enforcement.
-
-Session-config document (System.Text.Json, camelCase,
-`UnmappedMemberHandling.Disallow`, camelCase string enums):
-
-```json
-{
- "version": 1,
- "process": {
- "content": { "datDirectory": "...", "preparedAssetPath": "..." }
- },
- "sessions": [{
- "id": "sess-1",
- "endpoint": { "host": "127.0.0.1", "port": 9000 },
- "account": "testaccount",
- "mode": "probe",
- "character": { "id": 1342177290 },
- "policy": { "id": "idle" },
- "credential": { "provider": "standardInput", "reference": "session" },
- "plugins": ["ExamplePlugin"],
- "loginCommands": ["/vt start"],
- "loginCommandDelayMs": 500,
- "statusFile": ".../launcher/sessions/sess-1/status.jsonl"
- }]
-}
-```
-
-Field rules:
-- `process.paths` is OMITTED unless a caller genuinely supplies overrides
- (never an empty object — the App reader has no `paths` member and
- strict parsing rejects unknown keys; LA3 review finding 1).
-- `mode`: ABSENT for normal play sessions; `"probe"` for the LA2 probe
- (connect → characterList → graceful disconnect, no EnterWorld). The
- headless loader accepts the field starting at LA2.
-- `character`: exactly ONE of index|id|name; OMITTED entirely (not null)
- for guiSelect and for probe sessions.
-- `policy`: `{ "id": "idle" }` for headless play sessions ONLY; omitted
- for gui/guiSelect/probe.
-- `credential`: always `{ "provider": "standardInput", "reference":
- "session" }` for launcher-composed configs.
-- `plugins`: absent/null means load all discovered plugins (preserving the
- developer flow); explicit `[]` means load none. Launcher-composed
- normal-empty and probe sessions emit `[]` so they cannot load arbitrary
- machine-local plugins.
-- `loginCommands`/`loginCommandDelayMs`/`statusFile`: optional,
- omitted-when-unset (never null, never `[]` for empty). Absent
- `loginCommandDelayMs` means 500.
-
-Status stream (`statusFile`, one JSON object per line, writer flushes per
-line, writer opens `FileShare.Read`, tailer opens
-`Read/FileShare.ReadWrite|Delete`): events `started`, `connected`,
-`characterList{accountName,slotCount,characters[{id,name,secondsGreyedOut}]}`,
-`enteredWorld{characterId,characterName}`, `pluginLoaded{plugin}`,
-`pluginFailed{plugin,error}`,
-`loginCommandFailed{commandIndex,command,error}`,
-`characterCreated{guid,name}`, `creationFailed{code,reason,name}`,
-`disconnected{reason}`,
-`exited{code,reason}` — every line carries `"v":1`, `"e"`, `"t"`
-(ISO-8601 UTC), `"sessionId"`. `secondsGreyedOut` is a uint on BOTH
-sides. Unknown `e` values must parse to a typed Unknown event, never
-throw; a known `e` with a wrong payload shape should be distinguishable
-from an unknown `e` (LA3 review finding 12).
-
-**Campaign CC CC2 amendment (this section is the contract; the writer and
-tailer below implement it, in that order):** `characterCreated{guid,name}`
-fires on the Ok reply to a `CharacterCreate` (opcode `0xF656`) request —
-`guid`/`name` come straight off the shared `0xF643`
-`CharGenVerificationResponse` Ok identity payload
-(`AcDream.Core.Net.Messages.CharGenVerificationResponse`), deliberately
-named `guid`/`name` rather than `characterId`/`characterName` to mirror
-that payload's own field names and to read distinctly from
-`enteredWorld` — a freshly created character is logged straight in by
-retail without a fresh `characterList` (see that type's doc comment), so
-`characterCreated` can precede an `enteredWorld` for the same character
-rather than replacing it. `creationFailed{code,reason,name}` fires on any
-non-Ok reply: `code` is the raw wire `CharGenVerificationResponse.Code`
-value, `reason` is that code's enum member name (e.g. `"NameInUse"`) so a
-reader gets a stable readable reason without hard-coding the numeric
-mapping itself, and `name` is the ATTEMPTED character name so a launcher
-can render "the name Bob is taken". (CC2 review F4: the enum member
-originally rode the `name` key, colliding in meaning with
-`characterCreated.name`; renamed before any consumer shipped.)
-
-`loginCommandFailed.commandIndex` is the zero-based index in the configured
-`loginCommands` array. `command` is the exact configured line and `error` is
-the isolated parser/router/handler failure. The event is observational: the
-host continues with the next configured line and never converts the command
-failure into a login, plugin, session, or process failure.
-
-**Known LA1 status limitation:** the stream has no independent mid-play
-wire-drop detector. If a transport becomes silent without raising through the
-host's tick/teardown path, no immediate `disconnected` line can be promised;
-the launcher must not treat the absence of that line as proof that the socket
-is healthy. Explicit reconnect is ordered and observable — it emits
-`disconnected{reason:"reconnect"}` before the replacement connection's second
-`connected` — and normal stop/process teardown closes any still-open
-connection before `exited`. A future transport-health signal may improve the
-timing without changing this pinned event vocabulary.
-
-Three pieces, one slice, because they share the session-config/status seam:
-
-1. **App `--session-config `:** parsed once in `Program.cs` into
- `RuntimeOptions` (code-structure rule 4); carries endpoint, account,
- optional character selector, `Plugins`, `LoginCommands`, `Content`
- (DatDirectory/PreparedAssetPath), status-file path, credential reference.
- Recon: `Program.cs` has NO subcommand dispatch today — args handling is
- one positional DAT-dir (`Program.cs:35`), so the flag is purely additive
- (preserve the positional arg). The live-credential seam is a single call
- site (`SessionPlayerComposition.cs:1128-1135` →
- `LiveSessionConnectOptions`); the config path populates the same
- `RuntimeOptions` fields from a different source. Env-var dev flow
- untouched. App gains the `StandardInput` credential read (mirroring
- `HeadlessCredentialResolver.ResolveStandardInput` — one line, immediately
- wrapped in an erasable secret, redacted `ToString`; today
- `RuntimeOptions.LivePass` is a bare string — the config path must not
- widen that exposure).
-2. **Status stream both hosts:** per-session `status.jsonl` (path given in
- config; absent → permanent no-op sink). Versioned event
- vocabulary (`"v":1`): `started`, `connected`, `characterList`,
- `enteredWorld`, `pluginLoaded`/`pluginFailed`,
- `loginCommandFailed`, `characterCreated`/`creationFailed` (Campaign CC
- CC2), `disconnected`, `exited`.
- Recon: today's `HeadlessDiagnosticWriter` is a single shared-stdout JSONL
- sink with four kinds (lifecycle/failure/event/resources) and NO per-session
- file — the status writer is a second, separate sink, not a rework of the
- diagnostics writer. App has no structured writer today; it gets the same
- shared implementation (lands in Runtime so both hosts borrow it).
-3. **Roster plumbing:** `CharacterList.Parsed` is consumed inside
- `LiveSessionController.StartCore` (`LiveSessionController.cs:612`) and
- never escapes — add a typed roster report on the lifecycle-host seam
- (`ILiveSessionLifecycleHost`) so hosts can emit the `characterList` status
- event and (later) the char-select screen can populate. No behavior change
- to selection itself in this slice.
-
-**Acceptance:** round-trip tests (config → `RuntimeOptions`; stdin credential;
-status events in order with exact shapes; roster surfaced); App/Headless/
-Runtime suites green; redaction test proves the password never appears in
-status/diagnostics output.
-
-## LA2 — headless probe mode + `idle` policy
-
-Recon facts: the probe's shape already exists as the `NoCharacters` early-exit
-(`LiveSessionController.cs:613-622` → `StopCore()` → 4-stage
-`SessionScope.DrainTeardown`, graceful, `_inWorld == false` so no pre-logoff
-flush) — but it fires only on selection FAILURE and maps to exit code 5
-(`HeadlessProcessHost.RunOnUpdateThread:203-212` treats any non-`Connected`
-start as `ConnectionError`).
-
-1. **Probe:** a `Probe` flag on the connect options short-circuits `StartCore`
- right after `GetCharacters` (before `TrySelectCharacter`): report roster,
- `StopCore()`, return a NEW `LiveSessionStartStatus.ProbeComplete`.
- `HeadlessProcessHost` maps it to exit code 0 with a final `characterList` +
- `exited(reason: "probe")` status pair. Config: `mode: "probe"` on the
- session descriptor relaxes the `JsonRequired` character selector + policy
- for probe sessions ONLY (loader keeps strict validation otherwise —
- recon: violations currently surface as raw `JsonException` → exit 3; probe
- relaxation must be shape-level in the loader, not attribute removal).
-2. **`idle` policy:** new consumer `HeadlessBotPolicy` id — enter world, run
- plugins/login-commands (arrive in LA5/LA6), stay until stopped, clean
- SIGINT teardown (K4's graceful-logout path already proves the mechanism).
-
-**Acceptance:** probe test (fixture session → roster event → graceful teardown
-receipt → exit 0, no `EnterWorld` on the wire); loader tests for probe-shape
-relaxation + strict normal validation; idle-policy lifecycle test; suites
-green. Connected verification (user gate, LA11 batch): live probe against ACE
-twice in a row with no lingering session (spec §11.9).
-
-## LA3 — `AcDream.Launcher.Core`
-
-New BCL-only project + `tests/AcDream.Launcher.Core.Tests/`. References
-`AcDream.Platform` ONLY.
-
-- Profile store: `launcher-profiles.json` (spec §5 schema) — load/save/
- validate, full CRUD operations, roster merge (fold `characterList` events
- in, preserving per-character user settings), 0600 on Linux.
-- Session-config composition: profile + install records → the LA1 config
- shape (typed writer; probe shape included). Passwords excluded — stdin only.
-- Process orchestration: spawn App/Headless per launch mode, feed password to
- child stdin then close, supervise lifetime, tail `status.jsonl`
- (share-tolerant reads), surface typed session state.
-- SHA-256 utility (pak record + download verify — consumed by LA9/LA10).
-
-**Acceptance:** CRUD/round-trip/merge tests; composition tests (all three
-modes + probe); supervision tests against a fake child process (echo script);
-status-tail tests including partial-line handling; suites green.
-
-## LA4 — `AcDream.Launcher` (Avalonia)
-
-New Avalonia project (Windows + Linux). MVVM over Launcher.Core; no game
-solution references beyond `AcDream.Platform` transitively.
-
-- Views: server list → accounts → characters tree; add/edit/remove dialogs
- for servers (name/host/port) and accounts (account + password entry);
- per-character settings editor (launch mode, plugin set, login commands);
- per-account "refresh characters" (probe); running-sessions status column.
-- Launch actions per mode (`gui` / `guiSelect` / `headless`); probe disabled
- while the launcher runs a session for that account.
-- First-run wizard shell + update prompt shell (bodies land in LA9/LA10).
-
-**Acceptance:** ViewModel tests in Launcher.Core.Tests patterns (VMs live in
-the Avalonia project but stay logic-thin; anything testable pushes down);
-build green on Windows; `linux-x64` publish compiles. Visual polish is gated
-at LA11 (user).
-
-## LA5 — plugin hosting on both hosts
-
-Recon facts (2026-08-14): `PluginLoader`/`PluginDiscovery`/`PluginManifest`
-already live in `AcDream.Core` (Headless-reachable). App's single load loop
-(`App/Program.cs:110-121`) loads ALL discovered plugins from two roots
-(`AppContext.BaseDirectory/plugins` + `ApplicationPathSet.PluginsDirectory`,
-dup-id skip) — no allow-list exists on either host. `AppPluginHost` is a
-26-line pass-through; three of four `IPluginHost` surfaces (`State` →
-`WorldGameState`, `Events` → `WorldEvents`, `Selection` → `SelectionState`)
-are backed by Core-owned types already; only `Ui` (`BufferedUiRegistry`) is
-genuinely App-only. Headless has zero plugin hosting today (confirmed).
-
-1. Session-config `Plugins` allow-list filters the discovery result on BOTH
- hosts (absent/null list = load all, preserving today's dev behavior;
- explicit `[]` = load none). Launcher-composed normal-empty and probe
- sessions emit `[]`.
-2. `HeadlessPluginHost : IPluginHost` in Headless over the same Core-owned
- `State`/`Events`/`Selection`; `Ui` is an explicit no-op behind a new
- capability flag on `IPluginHost` (e.g. `HasUi`) so plugins can detect
- headless. Contract documented in `Plugin.Abstractions`.
-3. `pluginLoaded`/`pluginFailed` status events from both hosts' load loops.
-
-**Acceptance:** fixture plugin in Headless suite (load, capability flag,
-markup no-op, teardown via collectible ALC); allow-list filter tests both
-hosts; status events asserted; suites green.
-
-## LA6 — login commands on both hosts
-
-Recon facts (2026-08-14): the command core is dependency-CLEAN —
-`ChatInputParser` (zero usings), `ChatCommandRouter` (BCL +
-`AcDream.Core.Chat`), `RetailClientCommandCatalog` (FrozenDictionary),
-`ChatVM` (Core.Chat/Combat + `System.Numerics` only), `ICommandBus` + the
-four command records (BCL-only). The block is assembly identity, not
-coupling. `ChatCommandRouter.Submit`'s two entanglements: a hard `ChatVM`
-parameter (uses only `ShowInterfaceText`/`ShowSystemMessage`/
-`LastIncomingTellSender`/`LastOutgoingTellTarget`) and the `ICommandBus`,
-whose production implementation (`LiveSessionCommandRouter`,
-`App/Net/LiveSessionCommandRouter.cs`) is App-only and wraps wire-send
-delegates from the live session. GUI already has a login-command analog:
-`RetailUiAutomationScriptRunner` feeds `ChatCommandRouter.Submit` at
-`RetailUiRuntime.cs:523-527`.
-
-1. **Extraction:** move parser/router/catalog + `ICommandBus` + the four
- command records (+ sibling tables they require) into Runtime
- (`AcDream.Runtime/Chat/...`); the router's `ChatVM` parameter becomes a
- narrow feedback interface defined beside it (exactly the four members
- used); `ChatVM` (stays in UI.Abstractions) implements it. GUI path stays
- bit-identical — same call sites (`ChatWindowController.cs:326`,
- `FloatingChatWindowController.cs:157`), same routing, CH-accepted
- behavior regression-checked by the existing chat suites.
-2. **Headless dispatch:** a Runtime/Headless `ICommandBus` binding the same
- session send delegates (`SendTalk`/`SendTell`/`SendChannel`/
- `SendTurbineChat`) + Runtime state that App's router binds — paralleling
- `LiveSessionCommandRouter`'s registrations, feedback lands in
- `RuntimeCommunicationState.AddText`.
-3. **Execution:** both hosts run `LoginCommands` sequentially as-if-typed
- (default 500 ms inter-command delay, config-overridable) once
- entered-world; per-command failures → status stream, never abort.
-4. K0 guard: if the code folds into Runtime, the single-reference assertion
- stands untouched; the forbidden-prefix closure tests keep passing. Any
- guard text change is deliberate and documented.
-
-**Acceptance:** extraction lands with zero GUI chat test regressions
-(UI.Abstractions + App chat suites bit-green); headless executes a
-login-command script against a fixture session with ordered wire sends;
-delay + failure-tolerance tests; suites green.
-
-## LA7 — character-select: state + wire
-
-Recon facts (2026-08-14): retail's screen is `gmCharacterManagementUI`
-(`acclient.h:56545`) — flat listbox + Create/Enter/Delete/Restore buttons +
-dialog contexts. **No 3D preview exists on retail's select screen** (the
-`gmCG3DView`/`CreatureMode` viewport is chargen-only; the old
-"rotating pedestal" line in `retail-ui/05-panels.md` §13 is uncited and
-wrong). Our `CharacterList` parse already matches ACE's serializer exactly
-(two-array shape, status/deleted always zero from ACE) and the two-phase
-enter-world (0xF7C8 → 0xF7DF → 0xF657) is implemented. Missing wire:
-delete/restore/error.
-
-1. **Wire messages** (`AcDream.Core.Net/Messages/`, retail citations in
- file docs per house style): `CharacterDelete` 0xF655 — outbound
- account String16L + **slot index** (`Proto_UI::SendDeleteCharacter
- @0x00546b30`; NOT guid), inbound opcode-only ack followed by a fresh
- CharacterList; `CharacterRestore` 0xF7D9 guid-only (ACE + holtburger
- consensus; the decomp's apparent extra strings are a decompiler
- artifact — spec §11.4), response 0xF643 (flag + guid + name +
- secondsDisabled); `CharacterError` 0xF659 parser (new — today NO
- character-stage server error can be surfaced).
-2. **Runtime selection state** (J-owner pattern): roster with per-entry
- greyed/pending-delete state (`SecondsGreyedOut != 0` ⇒ pending; ACE
- sends a constant 1 during the grace window — treat as boolean, never a
- countdown), highlight, pending-delete dialog state, typed commands
- (highlight / enter / delete-request / delete-confirm / restore).
- Retail behavior oracles: `RebuildCharacterList@0x004ec3a0`,
- `SelectCharacter@0x004ec160`, `UpdateButtons@0x004ec240`
- (Delete↔Restore swap on greyed state), `EnterGame@0x004ed440`.
-3. **No-selector flow:** a graphical session config without a character
- selector stops at selection state instead of auto-enter; the
- first-available fallback (`CharacterList.TrySelectFirstAvailable`,
- used at `LiveSessionController.cs:848-851`) remains ONLY for
- selector-carrying/headless sessions. Selection feeds the existing
- `EnterWorld` path unchanged.
-
-LA7b hazards carried from the LA7a review (2026-08-14): ACE's restore
-handler has a SILENT no-reply path (unknown guid → `return;`, no 0xF643,
-no 0xF659) — selection state must never block awaiting a restore reply;
-outbound routing is delete via retail's SendToLogon, restore via
-SendToControl, ACE replies on UIQueue; `charError.NumErrors` (0x19) is an
-enum-range sentinel and must never render as a user-facing message.
-Register row AD-97 (guid-only restore request, an adaptation) rides the
-LA7a branch.
-
-**Acceptance:** message round-trip tests against ACE's serializer shapes;
-selection-state tests (greyed transitions, delete→list-refresh, restore,
-error surfacing); no-selector stop + enter flow tests; suites green.
-
-## LA8 — character-select: authored retail screen
-
-Scope: project LA7's state through the REAL retail screen. No 3D preview
-(recon-corrected; a preview would be an unapproved divergence).
-
-1. **Layout resolution:** retail resolves the root via
- `UIMainFramework::CreateAndAddRootElement(0x10000005, 0x1000039a)` +
- `DBObj::GetDIDByEnum(..., 5)` — reuse OP8's ported GetDIDByEnum
- machinery (category 4 precedent) for enum-table 5; slice starts by
- dumping that table from installed DATs to pin the concrete DataID.
- Child ids: listbox `0x1000039d`, create `0x100003a0` (present,
- disabled — Create is a future campaign), enter `0x100003a2`, delete
- `0x1000039f`, restore `0x1000039e`.
-2. **Dialogs:** delete-confirm, please-wait, entering-world, error — the
- retail dialog machinery from the OP8 WaitDialog work (`2a81e813`
- mapped WaitDialog class type 0x19) is the base.
-3. **Open item resolved here:** whether retail draws a render-loop
- background scene behind the UI (pseudo-C proves only that the UI class
- owns no viewport) — settle via user recollection + the visual gate
- before polishing.
-
-**Acceptance:** authored screen builds from DAT assets; button-state
-matrix matches `UpdateButtons` oracle (incl. Delete↔Restore swap);
-enter/delete/restore/error flows drive LA7 state end-to-end; suites
-green. User visual gate at LA11 (screen look, dialog flows, delete +
-restore against local ACE).
-
-## LA9 — installer (first-run)
-
-- DAT locate: auto-detect `%USERPROFILE%\Documents\Asheron's Call` and
- `C:\Turbine\Asheron's Call` + manual picker; validate the four DATs.
-- Bake: spawn `acdream-bake --dat-dir --out /pak/acdream.pak
- --threads N`. Recon: default `--out` is INSIDE the DAT dir — the launcher
- always passes `--out` explicitly. Progress: add `--progress-json` to
- `AcDream.Bake` (JSONL progress lines alongside the existing 5-second human
- text, which stays default) — scraping human text is fragile and we own the
- tool. Recon: the bake has NO whole-file SHA — after a successful bake the
- LAUNCHER computes and records SHA-256 + size + `BakeToolVersion` in its
- install record, and re-verifies on subsequent startups (fast corruption
- check trades a few seconds of hashing for never launching against a
- half-written pak).
-- Install record feeds LA3's session-config composition
- (DatDirectory/PreparedAssetPath).
-
-**Acceptance:** wizard flow tests over Launcher.Core (fake bake child emitting
-`--progress-json` lines); bake-tool progress flag tests in
-`tests/AcDream.Bake.Tests`; SHA record/verify tests; suites green. Connected
-gate (user): clean-profile first-run against real DATs.
-
-## LA10 — updater
-
-- Manifest: GitHub Releases; `manifest.json` release asset — version, per-RID
- client zip URL + SHA-256 + size, minimum-launcher version. Launcher pins
- owner/repo in its config.
-- Client update: poll on launch (+ manual check), download to staging, SHA
- verify, unpack to `DataDirectory/app//`, atomic `current.json`
- pointer swap, refuse while any session runs, keep previous version for
- one-step rollback.
-- Launcher self-update: staged download + target-local atomic replacement on
- next start.
-- Session-config composition targets `app/current`'s binaries.
-
-**Acceptance:** manifest/download/verify/swap tests against a local HTTP
-fixture; rollback test; refusal-while-running test; self-update staging test;
-suites green. Connected gate (user): staged-manifest update swap end-to-end.
-
-### Pinned updater contracts (v1, BINDING)
-
-This section is the single source of truth for every LA10 feed and on-disk
-shape. Readers use strict, case-sensitive `System.Text.Json` parsing, reject
-unknown or duplicate properties, and reject unsupported schema versions
-before doing network, extraction, or activation work.
-
-The production feed is pinned to GitHub owner/repository
-`eriknihlen/acdream`; the launcher reads
-`https://github.com/eriknihlen/acdream/releases/latest/download/manifest.json`.
-Tests use a separate internal fixture constructor that may admit loopback HTTP;
-that allowance never propagates to the production feed. Production manifest
-and artifact URIs use HTTPS. Automatic redirects are disabled and every
-redirect hop is validated before it is requested; redirect loops, a chain over
-five hops, and any HTTPS-to-HTTP downgrade are rejected. `manifest.json` is:
-
-```json
-{
- "schemaVersion": 1,
- "version": "1.2.3",
- "minimumLauncherVersion": "1.1.0",
- "clients": {
- "win-x64": {
- "url": "https://github.com/eriknihlen/acdream/releases/download/v1.2.3/acdream-client-win-x64.zip",
- "sha256": "<64 hex characters>",
- "size": 123
- }
- },
- "launchers": {
- "win-x64": {
- "url": "https://github.com/eriknihlen/acdream/releases/download/v1.2.3/acdream-launcher-win-x64.zip",
- "sha256": "<64 hex characters>",
- "size": 123
- }
- }
-}
-```
-
-`version` and `minimumLauncherVersion` are strict SemVer 2.0 strings. Build
-metadata is ignored for precedence; numeric identifiers are compared without
-fixed-width integer overflow. RID keys are exact lowercase portable RIDs.
-Both dictionaries are required and the running RID must have a client and a
-launcher row. Artifact sizes are positive and capped by the launcher's
-download limit; SHA-256 is exactly 64 hex characters. ZIP URLs are absolute.
-Client ZIPs have the two host executables at their root
-(`AcDream.App[.exe]`, `acdream-headless[.exe]`); launcher ZIPs have
-`acdream-launcher[.exe]` at their root. No implicit wrapper directory exists.
-
-Every extracted client version has
-`DataDirectory/app//install.json`:
-
-```json
-{
- "schemaVersion": 1,
- "version": "1.2.3",
- "rid": "win-x64",
- "archiveSha256": "<64 hex characters>",
- "archiveSize": 123,
- "files": [
- { "path": "AcDream.App.exe", "sha256": "<64 hex characters>", "size": 123, "unixMode": 0 }
- ]
-}
-```
-
-Paths use `/`, are relative, normalized, unique under ordinal-ignore-case,
-and sorted ordinally. `unixMode` contains only the portable permission bits
-captured from the ZIP entry. Startup verifies every recorded regular file by
-size/SHA, rejects unrecorded files/reparse points, and requires the two host
-executables before admitting a version. Extraction uses a random sibling
-directory under `DataDirectory/app/`; promotion to `/` is one
-same-volume directory rename.
-
-`DataDirectory/app/current.json` is the only activation authority:
-
-```json
-{ "schemaVersion": 1, "currentVersion": "1.2.3", "previousVersion": "1.1.0" }
-```
-
-`previousVersion` is omitted for the first activation. Pointer writes are
-write-through temporary-file + same-directory atomic rename. The last valid
-pointer is also atomically preserved as `current.previous.json`; startup may
-restore that exact backup only when `current.json` is missing/malformed and
-the referenced version verifies. Orphan LA10 staging directories, download
-archives, corrupt-version quarantine directories, and pointer temporaries are
-transaction-owned by exact lowercase GUID names and are removed only under the
-exclusive update lease; near-matching user names are preserved. A corrupt
-installed version is never silently selected; the explicit one-step rollback
-swaps the two verified pointer versions.
-
-`DataDirectory/app/.update-session.lock` is the cross-process barrier. Each
-supervised launcher activity holds a shared OS handle from before executable
-resolution until terminal process observation; launcher disposal requests
-child termination and does not release that handle until the child is actually
-observed terminal. An update/rollback holds the
-exclusive handle for its entire recovery/download/extract/promote/pointer
-transaction. Failure to acquire the exclusive handle is an immediate refusal,
-not a wait behind a running session. The open handle, not lock-file contents,
-owns the lease and therefore releases after process death.
-
-Launcher self-update staging lives at
-`DataDirectory/launcher-update/transactions//` and the sole
-durable authority is `DataDirectory/launcher-update/pending.json` (schema 3):
-
-```json
-{
- "schemaVersion": 3,
- "transactionId": "0123456789abcdef0123456789abcdef",
- "state": "staged",
- "version": "1.2.3",
- "rid": "win-x64",
- "targetDirectory": "",
- "archiveSha256": "<64 hex characters>",
- "archiveSize": 123,
- "files": [
- { "path": "acdream-launcher.exe", "sha256": "<64 hex characters>", "size": 123, "unixMode": 0 }
- ],
- "apply": null
-}
-```
-
-Before mutation the verified staged launcher becomes the next-start helper and
-waits for the initiating launcher PID without invoking a shell. It first copies
-the complete verified payload into the target-local
-`.acdream-self-update-/incoming/` tree. The plan then advances
-to `applying`; `apply` is an ordinally sorted union of new payload paths, the
-owned metadata path, and obsolete paths from the previous ownership record:
-
-```json
-[
- {
- "path": "acdream-launcher.exe",
- "operation": "install",
- "hadOriginal": true,
- "priorSha256": "<64 hex characters>",
- "priorSize": 123,
- "priorUnixMode": 0,
- "replacementSha256": "<64 hex characters>",
- "replacementSize": 456,
- "replacementUnixMode": 0
- },
- {
- "path": "new-support.dat",
- "operation": "install",
- "hadOriginal": false,
- "priorSha256": null,
- "priorSize": null,
- "priorUnixMode": null,
- "replacementSha256": "<64 hex characters>",
- "replacementSize": 456,
- "replacementUnixMode": 0
- }
-]
-```
-
-Every `hadOriginal` entry persists the exact pre-mutation SHA-256, length, and
-Linux mode bits; a no-original entry has all three prior fields null. Every
-install entry likewise persists the verified replacement metadata, while a
-remove entry has all three replacement fields null. The journal is invalid
-unless those fields agree with `hadOriginal` and `operation`.
-
-Existing targets are replaced with one same-filesystem atomic replace whose
-backup is also target-local. Previously absent noncanonical files use one
-same-filesystem rename; obsolete owned files use one rename into backup. The
-canonical launcher path therefore contains either the complete old file or the
-complete new file at every durable crash boundary. Rollback first performs a
-zero-mutation preflight of the complete target-local transaction and every
-journal entry. It rejects reparse points, unsafe parents, unrecorded paths,
-ambiguous file layouts, and any SHA-256/length/mode mismatch in a prior,
-incoming, or discard file. Only a fully preflighted rollback may atomically
-restore backups; newly created files move to target-local discard rather than
-being deleted. The complete prior target set is then reverified before the
-plan enters durable `rolledBack` state while retaining the journal. Retry is
-allowed only after that prior set is reverified again and the plan returns to
-`staged`. Thus rollback is atomic per file and idempotent after a process/power
-loss. Any ambiguity preserves the applying plan and transaction evidence and
-forbids launching the canonical path for manual recovery. Linux mode bits come
-from the verified incoming file. A helper that cannot immediately
-acquire the exclusive update lease defers the staged plan and exits without
-restarting the old launcher, preventing restart loops.
-
-Successful application writes strict target ownership metadata at
-`/launcher.install.json`:
-
-```json
-{
- "schemaVersion": 1,
- "version": "1.2.3",
- "rid": "win-x64",
- "files": [
- { "path": "acdream-launcher.exe", "sha256": "<64 hex characters>", "size": 123, "unixMode": 0 }
- ]
-}
-```
-
-The archive may not supply that reserved metadata path. A prior valid record is
-the only authority for obsolete-file removal; the first managed update does
-not infer ownership of unrelated legacy files. On success the plan becomes
-`awaitingConfirmation`; the new launcher confirms at its first managed
-instruction, after which the helper releases its lease and the confirmed
-launcher reclaims plan, data-transaction, and target-local residue. An
-`applying` plan is rolled back before retry, and failure to start/confirm the
-new launcher restores every original (and removes every no-original target).
-The helper restarts the restored canonical launcher only after a fresh complete
-verification of the retained `rolledBack` journal; rollback corruption or an
-unsafe backup/discard tree exits without starting either launcher.
-Reading `pending.json` never performs cleanup. Ordinary startup attempts the
-exclusive lease without waiting and skips update cleanup entirely when another
-session/staging transaction owns it. All plan paths are re-derived/contained
-under pinned roots; the target directory must equal the actual launcher base
-directory.
-
-Every portable archive and persisted relative path rejects Windows device
-segments on every host: `CON`, `PRN`, `AUX`, `NUL`, `CLOCK$`, `CONIN$`,
-`CONOUT$`, `COM1`-`COM9`, `LPT1`-`LPT9`, and the Windows-equivalent superscript
-forms `COM¹`/`COM²`/`COM³` and `LPT¹`/`LPT²`/`LPT³`, including extensions.
-
-## LA11 — closeout
-
-- One exact operator script
- `docs/research/2026-08-14-campaign-la-test-script.md`, fronted by the
- connection-free `tools/run-campaign-la-preflight.ps1` and followed by
- serial user rows,
- covering: all three launch modes vs local ACE, probe round-trip ×2 (no
- lingering session), char-select visual matrix + delete flow, login-commands
- + plugin behavior on both hosts, add-server/add-account purely in UI,
- clean-profile first-run wizard, staged update swap.
-- Roadmap shipped-table entry, CLAUDE.md Current-state flip, memory distill,
- ledger below completed, program closeout section.
-
-## Review protocol
-
-Per slice: implementer commit(s) → Opus dual-lens review (architectural +
-retail-where-applicable) → fix round → narrow re-review of fixes → slice DONE
-in ledger. Reviews name blast radius explicitly
-(`claude-memory/feedback_blast_radius_single_lens.md`). Slices LA7/LA8 add the
-retail-fidelity lens against named-retail symbols cited in the slice body;
-LA6 adds CH-regression scrutiny; LA0 adds guard-integrity scrutiny.
-
-## Gate round 1 — 2026-08-15 (first live launch by the user)
-
-The user's first hands-on launch found the launcher exiting on every click.
-Root cause (`d54b8a78`): `MainWindow`'s constructor called
-`AvaloniaXamlLoader.Load(this)` instead of the generated
-`InitializeComponent()`, so every `x:Name` backing field was null and any
-modal open/close threw out of the dispatcher into `Program`'s exit-74
-guard. It reached the gate because NO test constructed `MainWindow` —
-filed and closed as **#399** (`2b439cc1`, merged): `Avalonia.Headless.XUnit`
-view tests with falsification evidence (12/12 fail against the old code,
-12/12 pass against the fix; launcher suite 66/66 Windows + native Ubuntu;
-xunit→xunit.v3 in that test project). Same round (`e1e94697`): **#398**
-closed — fatal exceptions now write a full-stack crash report under the
-data root (isolated-roots-safe; the first cut leaked to the real data root
-when parsing failed, caught live and fixed) — and `acdream-bake.exe` is now
-co-deployed on plain Build, not just Publish, so a developer-built launcher
-can actually run its first-run wizard (79.6 MB single file beside the
-launcher, incremental, `--help` verified). One transient 65/66 on the first
-post-merge test run did not reproduce across a clean rebuild + six repeats —
-consistent with stale-artifact mixing, but if it EVER recurs, capture the
-failing test name before anything else. Merged slice worktrees/branches
-(la2/la3/la7a/la-uitest) removed. Opus batch review: PASS (HIGH
-confidence) with 6 findings, all landed same-day: F1 the crash reporter's
-by-construction claim was FALSE (the launcher holds passwords in three
-fields; the true invariant — no throw site interpolates a credential
-value — is now pinned by a forced-failure test), F2 the co-deploy's
-Inputs covered only Bake's own sources, not its Content/Platform/Core/
-Plugin.Abstractions closure (the stale-artifact class again; fixing it
-exposed and fixed two more incrementality traps: SkipUnchangedFiles
-leaving outputs older than inputs, and %(Item.Metadata) in a plain
-Include not batching — a literal '%(...)' input is permanently
-out-of-date), F3 dual bake publish on RID publishes (guarded by
-_IsPublishing; verified 0 build-target co-deploys during a real publish),
-F4 misattributed comment, F5 template-scoped x:Name false-fail (sweep now
-walks the XML with template-ancestor tolerance), F6 dead using, plus the
-optional Path.IsPathFullyQualified hardening on the crash reporter's
---data-dir fallback. Launcher 67/67, Launcher.Core 317/317. The §A–I
-connected script remains the open user gate.
-
-## Gate round 2 — 2026-08-15 (first live launcher→client flow) — char-select matrix USER-PASSED
-
-**USER-PASSED 2026-08-15 (end of round):** the character-select visual/
-interaction matrix — stretched-canvas look with bilinear filtering,
-aligned widgets, left-justified roster, World box reading the live server
-name ("sawato"), and the centered exit confirmation — all accepted on the
-live launcher→client flow. Round-2 commits after the round-1 batch:
-`6e1c0967` (session-config launches force the retail UI), `9ce72925`
-(PFID_CUSTOM_RAW_JPEG decode + resolution guards), `73041d70`
-(whole-canvas AD-98 scale + inverse input), `308f40a3` (linear-twin
-bilinear stretch), `ef96c554` (exit confirmation + authored justify +
-world name, AD-99), `2e6d69dd` (#400), `0a7dc7d6` (durable world-name
-read + canvas-centered dialogs). Remaining before shipment: the formal
-§A–I script rows (probe ×2, headless+plugins+login commands, delete/
-restore, A→B update swap, row I Linux), and the final-HEAD preflight
-re-run.
-
-**Round REVIEW-CLOSED 2026-08-15:** the owed Opus dual-lens batch review
-of the six round-2 commits returned PASS with 8 findings; the fix round
-(`0baebce2` — headline: `RetailWaitDialogView` was the ONE dialog view the
-EffectiveCanvasSize sweep missed, firing on ENTER; plus the two stale
-deleted-mechanism doc assertions, the Confirmation `0xAC` property,
-truncating input mapping, the IsCurrent world-name gate, the AD-98
-evidence note) closed all seven in the narrow re-review; F2 filed as
-#401 (invert RetailUi to opt-out). The review also proved the
-`DatWidgetFactory` justify widening has ZERO regressions across all 35
-layout fixtures (303 buttons swept; the 16 authored-Left all already
-left-aligned via their face-child branch) and is a move TOWARD retail
-(`CalcJustification @0x00467260` has no lifted-from-child condition).
-
-Two real defects, both root-caused and fixed:
-
-1. **`6e1c0967` — launcher-spawned clients had NO interface at all.**
- `RetailUi` rode the dev env var `ACDREAM_RETAIL_UI`; `FromSessionConfig`
- inherited the env parse; the launcher strips `ACDREAM_*` from children
- (LA11 isolation). Product launches therefore got the dev default: world
- rendering, zero UI — character screen included. Session-config launches
- now force `RetailUi = true` (a session-config launch IS a product
- launch); the env flag remains the dev-launch opt-in. Test-pinned with a
- null env.
-2. **`9ce72925` — character-select screen rendered magenta background/
- fills.** The screen's 800×600 root background (`0x06007576`) is
- `PFID_CUSTOM_RAW_JPEG` — a complete JFIF stream retail hands to the
- Intel JPEG Library (`RenderSurface::CreateFromSourceData @0x004440a0`),
- with Width/Height legitimately 0 on disk. `SurfaceDecoder` had no JPEG
- case AND a non-positive-dimension guard, so it fell silently to the
- magenta placeholder; the listbox/ENTER fills are transparent, so one
- broken background bled through as three symptoms. Fixed via
- StbImageSharp (managed, Linux-safe; codec-library substitution per the
- BCnEncoder precedent — no register row). BOTH silent traps now log once
- per id (id-resolves-but-undecodable in `SurfaceDecoder`;
- id-missing-from-DATs in `TextureCache`) — the existing magenta guard
- only covered id-0. New installed-DAT sweep asserts every char-select
- media id decodes non-magenta. Full suite 14,034 green.
-
-Session-orchestration facts this round: the machine gained PowerShell 7
-(winget, user-approved — the LA fixture tooling hard-requires it); an
-orphan feed server from the earlier session held port 43119 with stale
-fixture data (stopped); the launcher self-update bootstrap restart on a
-dev binary is EXPECTED (staged launcher update → exit → respawn).
-Observations still open for this round: the duplicated "versioned client
-is unavailable" status line (cosmetic), and verifying Create Character is
-disabled on the live screen.
-
-## Ledger
-
-| Slice | Status | Commits | Review | Notes |
-|---|---|---|---|---|
-| LA0 | **DONE 2026-08-14** | `cb6502c8`, `a49e92df` | Opus dual-lens PASS; all 6 findings CLOSED in narrow re-review | Byte-identity proven; Linux CI lanes restored; Platform BCL-only self-guard added; K0 guard untouched |
-| LA1 | **DONE 2026-08-14** | `db9ad53c` (mixed — see `e1322a06`), `75a6724d` (recovery WIP), `d511e4c3`, ledger `890cf267` | Initial review FIX FIRST; F1–F8 CLOSED; narrow dual-lens re-review PASS | Release build green (0 errors / 18 warnings). Windows: Runtime 1634 / Headless 127 / App 5038+3skip. WSL: Runtime 1634 / Headless 127. Known mid-play silent-wire-drop limitation recorded above. The LA1+LA3 composer-to-both-hosts contract gate and portable CI lane landed at `8a03a25f`. |
-| LA2 | **DONE + MERGED 2026-08-14** | `c6019424` (recovery WIP), `000ea979`, `1c5e66c0`, merge `e01b2cd1` | Dual-lens review FIX FIRST; all 3 findings CLOSED; final narrow re-review PASS | Probe success requires a reported roster and remains before selection/EnterWorld; terminal status derives from the actual start outcome; conditional fields distinguish omission from explicit null without weakening strict JSON. Branch gates: Runtime 1,632/1,632 and Headless 149/149 on both Windows and Ubuntu/WSL. Integrated gates: Release solution build green; Windows Runtime 1,636/1,636, Headless 151/151, App 5,039+3 skip, Launcher.Core 114/114; WSL Runtime 1,636/1,636, Headless 151/151, Launcher.Core 114/114. Repeated live ACE probe remains the LA11 user gate. |
-| LA3 | **DONE + MERGED 2026-08-14** | `37d74e44`, `26feba81`, `347a1a5d`, merge `7749545d`, seam `8a03a25f` | Initial 12 findings CLOSED; four-gap narrow review FIX FIRST; final narrow re-review PASS | `AcDream.Launcher.Core` remains BCL + Platform only. Windows/WSL Core 114/114; full Release build green. Composer output is parsed by BOTH real host loaders from one linked fixture; Launcher.Core build/tests run in the portable Windows+Ubuntu lane. Windows graceful-stop gap remains tracked as #397. |
-| LA4 | **DONE + MERGED 2026-08-14** | `d0a9c65d`, `10a712d6`, `ae2cbbee`, merge `60f62799` | Initial dual-lens review found 10 issues; fix re-review left one Linux execute-bit gap; final narrow re-review PASS | Avalonia 12.1.1 launcher remains thin over one BCL-only Core orchestrator. Windows/WSL Launcher.Core 162/162 and Launcher 17/17. Native `linux-x64` publish evaluates self-contained + single-file, runs without a discoverable runtime, and CI verifies executable launcher/App/Headless artifacts. LA9/LA10 bodies and LA11 visual/accessibility confirmation remain intentionally later. |
-| LA5 | **DONE + MERGED 2026-08-14** | `95f4be94`, `fbe9c8a2`, `f820eb25`, merge `5535d0ad` | Initial review found 5 issues; first narrow re-review found 4 ownership/race gaps; final narrow re-review PASS | Both hosts share exact absent/null=`all`, `[]`=`none` allow-listing; transactional scoped UI/entity/selection rollback precedes unload; graphical/headless status and teardown ordering match; headless replay is exact-once under Runtime's borrowed membership lease. Branch complete suite 13,679+4 skip; portable WSL closure green. |
-| LA6 | **DONE + MERGED 2026-08-14** | `41b15efd`, `259f0e5a`, merge `2bb8ccb6` | Dual-lens/CH regression review found one Headless wire-parity gap; narrow re-review PASS | Runtime owns the sole parser/router/catalog and shared four-route live binding. Both hosts run generation-scoped login commands after world entry with strict monotonic delay and nonterminal v1 failure status. Headless permit/chat/notell semantics match App. Branch complete suite 13,787+4 skip; WSL Runtime 1,662, Headless 165, Launcher.Core 167, UI/chat 922. |
-| LA7 | **DONE + MERGED 2026-08-14** | LA7a `6a32f375`, `4338b1c1`, `0c8643a7`, merge `fa2de1c4`; LA7b `0e82cbf7`, `1b9e7e41`, `ff406562`, merge `7691cf75` | LA7a retail-lens PASS; LA7b review found 4 issues, first narrow pass left one restore/delete interleave, final narrow re-review PASS; AD-97 filed | Runtime owns the sole generation-scoped pre-world selection graph. Exact retail roster/grey/button/delete/restore behavior and queue routing are preserved; `NumErrors` is a sentinel, paused selection retains reliable transport sweeping, silent restore cannot block, and App has no mirror. Windows Runtime 1,653, Core.Net 958, App 5,042+3 skip; WSL Runtime/Core.Net green. |
-| LA8 | **DONE + MERGED 2026-08-14** | `6cfab727`, `aeac874d`, `1dd5706e`, merge `fe63ce18` | Initial retail/architecture review found 4 issues; first narrow re-review left 2 retry-transaction/order gaps; final narrow re-review PASS | Installed DAT enum table 5 proves `0x10000005 -> 0x21000004`, root `0x1000039A`, exact flat list/buttons/templates/dialog assets, and no viewport. Runtime remains the only selection owner; row sizing, modal priority/retry, restore ordering, reset/disposal, and explicit live-DAT skip/probe are covered. Branch full suite 13,796+5 skip; LA11 owns physical visual/live-ACE acceptance. |
-| LA9 | **DONE + MERGED 2026-08-14** | `ff6ebb6a`, `3f688951`, `208a70ac`, merge `2198a0cc` | Initial integrity review found 5 issues; narrow re-review left one orphan-child publication race; final narrow re-review PASS | First-run installer validates four DATs, consumes strict v1 Bake JSONL, preserves/reverifies SHA+size+tool-version records, and co-publishes self-contained launcher+Bake. Cross-process install/publish locks plus durable nonce prevent post-recovery mutation across real parent-only hard kills on Windows/Linux. Branch full suite 13,799+4 skip; real retail-DAT bake remains LA11. |
-| LA10 | **DONE + MERGED 2026-08-14** | `2d2a5b50`, `1955ca8a`, `09d84387`, merge `da4fb3de` | Initial architecture/security review found 10 crash, trust, integrity, cleanup, and lifecycle issues; first narrow re-review left one rollback-source P1; final narrow re-review PASS | Production feeds and redirects are HTTPS-only, fixture loopback trust is explicit, downloads and archives are bounded and verified, version activation and rollback are atomic, active sessions hold the cross-process update lease, and schema-v3 self-update recovery verifies every prior/replacement file before apply, rollback, or restart. Real Windows/Linux process tests cover kill boundaries, staging races, lease deferral, corrupt backups, junctions/symlinks, and fail-closed recovery. Branch gates: Core 302/302 and Launcher 29/29 on Windows/WSL, full Release 13,945+4 skip, win/linux self-contained publishes. Integrated LA0–LA10 gate: 13,972+5 skip. |
-| LA11 | **AUTOMATED CLOSEOUT REVIEW-CLOSED + MERGED 2026-08-15 — USER GATE PENDING** | `f881e5b4`, `134edabe`, `accd01a0`, `9f9c1167`, merge `d39f3098` | Initial dual-lens review found 7 startup/evidence/safety issues; first narrow re-review left 2 PID-reuse/ZIP-mode gaps; final narrow re-review PASS | Strict isolated roots and process-local feed override compose one exact launcher path graph. Windows targeted CTRL_BREAK is group-isolated and preserves stdin; exact-PID/start-identity status validation, credential-value scanning, deterministic Unix-mode A/B fixtures, Windows/native-Linux helper safety, and the exact A–I operator script are implemented. Clean branch preflight passed 32/32 with 13,985 tests + 4 skips. Integrated clean-head preflight at `a22f5411` passed 32/32 with 14,012 tests + 5 skips and report SHA-256 `49f225bc6043b9256f17b7bf0f29df919c894b8355633077751fd279756470df`. No connected/UI/real-DAT row has run; campaign shipment and #397 closure remain pending the user gate. |
diff --git a/docs/plans/2026-08-15-character-creation-campaign.md b/docs/plans/2026-08-15-character-creation-campaign.md
deleted file mode 100644
index 85bd2a60..00000000
--- a/docs/plans/2026-08-15-character-creation-campaign.md
+++ /dev/null
@@ -1,294 +0,0 @@
-# Campaign CC — retail character creation
-
-**Status: CLOSED — USER-ACCEPTED 2026-08-16.** All seven slices (CC1-CC7)
-REVIEW-CLOSED; the connected gate ran as one extended round (findings
-GF-1..16, re-tests R2-1..8 / R3-1..9 / R4-1..4, fix batches A-G + closeout
-+ two re-test rounds, final build `1.0.2-cc.o`) and the user declared
-**"Gate pass!"** on 2026-08-16. The campaign's headline milestone — the
-FIRST live character created by acdream against ACE — was reached
-mid-round on build `1.0.2-cc.g`. CC7 (the final slice)
-closed out the campaign's implementation: the Create button un-ghosts and
-opens chargen for real, the full 0xF656/0xF643 flow is proven end-to-end
-against a real WorldSession, the launcher status-payload cycle is proven
-end-to-end against the real Launcher.Core tailer, and the connected-gate
-script is written. CC7's dual-lens review returned PASS-with-items on both
-lenses (findings F1-F9); the F1-F9 fix round closed it out (register row
-AP-229, test-script corrections, an App-layer wiring pin, and two ledger
-wording corrections — see the CC7 ledger row's own review-fix-round note).
-The user's connected gate
-(`docs/research/2026-08-16-campaign-cc-test-script.md`) is the campaign's
-sole remaining acceptance step — no automated live character creation has
-been run against ACE (see the script's own §CC-Not-Automated).
-**Goal (user-set):** the full retail creation flow against local ACE — Create
-button through a new character entering the world, 3D preview live, rejections
-showing retail's dialogs — then stop for the user gate.
-**Branch:** `claude/acdream-launcher-credentials-4d2f7c`
-**Process:** Campaign LA's, binding (Sonnet implements, Opus dual-lens reviews
-per slice, retail decomp is the oracle, register rows with deviations,
-build+test green per slice, commits tagged `Campaign CC`).
-
-This plan embeds the 2026-08-15 recon facts (three parallel sweeps: retail
-gmCG UI, chargen data+wire, acdream seams) so slices and future sessions need
-no transcript access. `references/ACE` and `references/holtburger` are NOT in
-this worktree (gitignored) — read them from the main checkout at
-`C:\Users\erikn\source\repos\acdream\references\`.
-
-## Retail ground truth (recon summary — cite these in code)
-
-**Flow.** Create button (`0x100003A0`) → `QueueUIMode(0x1000000b)` →
-`gmCharGenMainUI` (acclient.h:56232): ONE root layout, enum `0x10000039` via
-GetDIDByEnum table 5 (our generic `RetailDataIdResolver` handles this), pages
-as children. `ECGProgress`: Heritage=1 → Profession=2 → Skills=3 →
-Appearance=4 → Town=5 → Summary=6. Nav dispatch
-`gmCharGenMainUI::ListenToElementMessage@237025`: Back `0x100003c6` (at
-Heritage → DoExit), Next `0x100003c7`, Finish `0x100003c8` (Summary only),
-Help `0x100003c9`, Exit `0x100003ca` (→ `ID_CharGen_ExitWarning` confirm),
-Random `0x100003cb` (on Summary → randomize warning first). Tab buttons
-`0x100003ef..f4` jump pages freely (not validation-gated). Page roots:
-Heritage `0x100003d1`, Profession `0x100003d2`, Skills `0x100003d3`,
-Appearance `0x100003d4`, Town `0x100003d5`, Summary `0x100003d6`; progress
-bar `0x100003ce`, master page `0x100003d0`. Per-page child ids are in the
-recon-cited ctors: Heritage `InitializePage@143731` (13 race buttons + text
-`0x100003c4`), Profession `@143010` (6 attribute sliders `0x100003e6..eb`,
-avail/health/stam/mana `0x100003e2..e5`, template buttons resolved in
-`UpdateProfession@142180`: Custom `0x100003d9`, Bowhunter/Swashbuckler/
-Lifecaster/Warmage/Wayfarer/Soldier `0x100003da..df`), Skills `@141911`
-(listbox `0x100003f7`, credits `0x100002f3`, info `0x100003fb/fc`),
-Appearance `@140032` (gender `0x100003a7/a8`, spins hair/eyes/nose/mouth/skin
-`0x100003af..b3`, headgear/shirt/trousers/footwear `0x100003b5..b8`, zoom
-`0x10000325/26`, rotate `0x10000323/24`, color wheel family
-`0x1000030e..0x10000321`, viewport `0x100003bb`), Town `@137120` (Sanamar
-`0x1000040b`, Holtburg `0x1000040d`, Yaraq `0x1000040e`, Shoushi
-`0x1000040f`), Summary `@136566` (list `0x10000400`, name text `0x10000402`
-with NameInputFilter, viewport `0x10000406`).
-
-**CharGenState** (acclient.h:40074): the model our Runtime owner mirrors —
-heritage/gender, appearance strips+styles+colors+shades (f64 shades),
-template + 6 attributes + credit budgets + per-attribute locks, 55-slot
-skill advancement array + skill credits, name[33], startArea, setupID,
-verificationState. Writers per page in the recon (SetHeritageGroup recomputes
-budgets + ApplyTemplate + RandomizeStartArea; SetGender reapplies clothing
-and UpdateTrueFacePal).
-
-**Finish** (`DoFinish(this, arg2)@236864`): trim+set name → empty name →
-`ID_CharGen_NoNameWarning`, abort. **CORRECTED at the CC3 review-fix round
-(F3) — the original line here (`remainingAtrbCredits > 0` → abort, "retail
-FORCES full spend") was WRONG; retail does NOT force a full spend.** The
-real gate is `arg2 != 0 && remainingAtrbCredits > 0`: the ordinary
-Finish-button click passes `arg2 = 1` (@0x004E9579), and on unspent
-credits shows `MakeCreditWarningDialog` and returns WITHOUT sending
-(@0x004E91F2-0x004E9210) — but that dialog's own confirm handler
-re-invokes `DoFinish(this, 0)` (@0x004E98BB), which SKIPS the credit check
-entirely (`arg2 == 0`) and sends with the credits still unspent. ACE
-accepts this — `ValidateAttributeCredits` only rejects a total that
-EXCEEDS the max, never an under-spend. Then: verification state must be
-UNDEF (no double submit) → set PENDING → `Proto_UI::SendCharGenResult@0x00546A70`.
-
-**Wire 0xF656** (`ACCharGenResult::CG_Pack@0x005C7200`, byte-identical to
-ACE's `CharacterCreateInfo.Unpack`): account String16L FIRST (outside the
-body), then u32 constant 1, u32 heritage, u32 gender, u32×3 eyes/nose/mouth
-strips, u32×2 hairColor/eyeColor, u32 hairStyle, u32×2 headgearStyle/Color,
-u32×2 shirt, u32×2 trousers, u32×2 footwear, f64×6 skin/hair/headgear/shirt/
-trousers/footwear shades, u32 templateNum, u32×6 attributes
-(str/end/coord/quick/focus/self), u32 slot, u32 classID, u32 numSkills +
-numSkills×u32 advancement classes (MUST be exactly 55 — ACE TERMINATES the
-session on mismatch), String16L name, u32 startArea, u32 isAdmin, u32
-isEnvoy(=ACE IsSentinel), u32 trailing checksum = sum of
-heritage+gender+strips(3)+hairColor+eyeColor+hairStyle+headgearStyle+
-shirtStyle+trousersStyle+footwearStyle+template+6 attributes (ACE never
-reads it; we send it for byte fidelity). holtburger cross-check:
-`character/types.rs:236` (stops before the checksum).
-
-**Response 0xF643** (shared opcode with restore — LA7a's conditional parse is
-reusable): codes Undef=0 Ok=1 Pending=2 NameInUse=3 NameBanned=4 Corrupt=5
-DatabaseDown=6 AdminPrivilegeDenied=7. On Ok the payload is a
-CharacterIdentity (guid, String16L name, u32 secondsGreyedOut) and NOBODY
-sends a fresh CharacterList — retail appends the identity to its local
-roster (`Handle_CharGenVerificationResponse@0x0055E8B0` case 1 →
-`CharacterSet::AddIdentity`) and `gmCharGenMainUI::Update@236161` then
-watches the set and calls `CPlayerSystem::LogOnCharacter` DIRECTLY when the
-new name appears (logs straight in; only falls back to char management if it
-never appears). Error dialogs, byte-decoded from
-`gmCharGenMainUI::RecvNotice_CharGenVerificationResponse @0x004e9030`'s
-switch + its `(arg2-1) > 6` unsigned-underflow guard and jump table
-`@0x004e9150` (CC5 review-fix round F2, 2026-08-16 — corrects this
-paragraph's earlier "Pending/Undef→silent state reset, retail swallows it"
-claim, which was WRONG): Ok(1)→no dialog (closes any open dialog, marks
-success, returns); **Pending(2)→`ID_Character_Err_NameDBDown`** (explicit
-switch case, same label as Corrupt/DatabaseDown — NOT a silent reset);
-NameInUse(3)→`ID_Character_Err_NameReserved`; NameBanned(4)→
-`ID_Character_Err_NameBanned`; Corrupt(5)/DatabaseDown(6)→
-`ID_Character_Err_NameDBDown`; AdminPrivilegeDenied(7)→
-`ID_Character_Err_NameAdminDenied`; **Undef(0) and any code outside 1..7
-fall through the unsigned-underflow default arm to the SAME
-`ID_Character_Err_NameDBDown` dialog** (the switch never has a genuinely
-silent branch — every non-Ok code shows a dialog). ACE sends Pending for a
-disabled-Olthoi rejection (`CharacterHandler.CharacterCreateEx`,
-`olthoi_play_disabled` branch); ported faithfully this now means that
-rejection surfaces a visible NameDBDown dialog, which IS retail's actual
-behavior — the previous "swallows it" reading made Finish a silent
-no-op forever for that case instead.
-
-**Chargen DAT table** `0x0E000002`: readable TODAY via the
-Chorizite.DatReaderWriter package (`dats.Get`) — zero in-tree
-readers exist. ACE loaders (`ACE.DatLoader.FileTypes.CharGen` +
-`HeritageGroupCG/SexCG/TemplateCG`) and retail serializers
-(`ACCharGenData::Serialize@0x005C36D0`, `HeritageGroup_CG@0x005C2100`,
-`Sex_CG@0x005C1600`, `Template_CG@0x005C0450`) define the shape: per
-heritage → name/icon/setup/EnvironmentSetup/attribute+skill credits/start
-areas/skills(costs)/templates(attrs+skills)/genders; per sex → scale, setup,
-base palette, skin palset, base ObjDesc, and the option LISTS (hair styles/
-colors, eye colors, eye/nose/mouth strips, headgear/shirt/pants/footwear,
-clothing colors).
-
-**3D preview** (`gmCG3DView`, Appearance `0x100003bb` + Summary `0x10000406`
-ONLY — the other four pages have no viewport): preview body
-`CPhysicsObj::makeObject(setupId)` (fallback HUMAN_SETUP_ID), rebuild on
-change via ObjDesc (`ClothingTable::BuildObjDesc` per clothing slot + strips
-+ PalSet skin/hair/eye subpalettes) applied with
-`DoObjDescChangesFromDefault@242308`, one DISTANT_LIGHT (intensity 2.0),
-idle animation loop at 30fps (`set_sequence_animation`), rest-pose freeze on
-zoom-in, BUTTON-toggled continuous rotation (`DoRotation@137337`, 3.0
-s/revolution, per-frame global-message-3 tick), zoom tween between
-per-heritage camera positions (`Update@138974` hard-codes Olthoi vs
-human-form camera offsets).
-
-## acdream seams (build on these, do not reinvent)
-
-- Layout mount: `RetailDataIdResolver.Resolve(dats, 0x10000039, 5)` +
- `LayoutImporter` — fully generic. `DatWidgetFactory` already maps dat type
- 0xD → `UiViewport`. The char-management controller REFUSES viewports by
- local policy (:212) — chargen gets its OWN controller; clone
- `CharacterManagementUiMountCoordinator` + the bindings-record pattern.
-- Fixed canvas: chargen is the same 800×600 flow screen — mount at authored
- extent, `UiRoot.FixedCanvasSize` on activate (AD-98), dialogs center on
- `EffectiveCanvasSize`. Live-DAT probe tests sweep ALL media ids
- (`CharacterManagementLiveDatTests` pattern) and pin authored
- justify/anchors.
-- Preview pipeline: `PrivateEntityViewportRenderer` (offscreen target →
- texture table → `UiViewport` sprite) is proven by paperdoll + appraisal;
- cameras there are FIXED — chargen needs a heading-capable camera. NOTE:
- `GlGpuDevice.RegisterExternalColorTexture` is a DELETED API that survives
- only in stale doc comments — do not cite it. Appearance building:
- `DollEntityBuilder.Build` is index-agnostic and pure (setup + resolved
- palette/part ids), but the only existing factory reads a LIVE entity —
- chargen needs a new index→dat→ObjDesc factory (SexCG.BaseObjDesc + strip
- overlays + PalSet.GetPaletteID hues). Pose: paperdoll holds a static final
- frame; retail chargen plays a live idle loop — see slice CC6 for the
- staged approach.
-- Runtime owner: mirror `RuntimeCharacterSelectionState` exactly (lifecycle/
- snapshot/delta records, borrow-only view, generation-gated commands, one
- mutable owner, no App types). Command family lands beside
- `IGameRuntimeCommands.CharacterSelection`. Enter-after-create hooks the
- existing `LiveSessionController.BeginEnter/CompleteEnter`.
-- Wire plumbing: `WorldSession`'s dispatch chain routes EVERY 0xF643 through
- `CharacterRestore.Parse` today with no request correlation — the KNOWN
- LANDMINE. Creation requires an awaiting-request latch (create vs restore)
- BEFORE its response arm lands. Outbound mirrors
- `SendRestoreCharacter@2223`. Status writer: add `characterCreated` /
- `creationFailed` events (update the pinned §LA1 contract text + the
- Launcher.Core tailer + tests in lockstep).
-
-## Slices
-
-| Slice | Deliverable | Depends |
-|---|---|---|
-| CC1 | Chargen data layer: `CharGen` table reader → typed options model (heritages/sexes/appearance lists/templates/skills+costs/budgets/towns), Content/Core, live-DAT probes | — |
-| CC2 | Wire: `CharacterCreate` 0xF656 builder (byte-exact incl. checksum), shared verification-response type (refactor from `CharacterRestore`), WorldSession request-correlation for 0xF643, send seam, status events + contract/tailer update | — |
-| CC3 | `RuntimeCharacterCreationState`: full CharGenState mirror, per-page commands, retail client gates (full-spend, name, 55-slot invariant, client-side slot cap), verification latch, Ok → roster append + retail log-straight-in | CC1, CC2 |
-| CC4 | Screen shell + form pages (App): mount (enum 0x10000039), master nav/tabs/progress, dialogs, Heritage + Profession + Skills + Town pages | CC1, CC3 |
-| CC5 | Summary page: name input (NameInputFilter, `ID_CharGen_NameTooLong`), summary listbox, static summary viewport, Finish gates + full response/dialog handling. **CC6b-MOUNT review fix round F12 amendment (2026-08-15):** Finish gates MUST add a heritage/gender refusal to `RuntimeCharacterCreationState.TryBeginFinish` — with AD-101 retired, a caller can hold `_genderKey == 0` (or, before a real heritage/gender selection, `_heritageId == 0`) all the way to Finish, and `TryBeginFinish`'s current four refusals (NoName/AttributeCreditsUnspent/AlreadyPending/RosterFull) have no gate for either — see AP-214's own noted latent-interaction risk. This slice MUST ALSO land a real `RandomizeCharacter` port (the shared AP-214/AP-212 primitive gap) BEFORE the connected user gate opens Finish for real use — the reviewer's requirement, not optional polish: retail's `gmCharGenMainUI` ctor rolls a full character before any page constructs (AP-214), so a heritage/gender check alone does not reproduce retail's actual guarantee that Finish is never reachable with an unset heritage/gender; only porting `RandomizeCharacter` closes that gap the way retail's own architecture does. | CC3, CC4 |
-| CC6 | Appearance page + preview: index→ObjDesc factory, chargen preview renderer (offscreen, heading camera, rotate/zoom buttons), spin controls + color wheels; **staged:** CC6a static-pose preview (paperdoll-style held frame, register row for the missing idle loop), CC6b idle animation + zoom rest-freeze (retire the row) | CC1, CC4 |
-| CC7 | End-to-end: Create button un-ghosts, full flow vs ACE shapes in tests, launcher payload cycle, connected checklist doc | all |
-
-Parallelism: CC1 ∥ CC2 (disjoint: Content/Core vs Core.Net; separate
-worktrees). CC4 ∥ CC6a after CC3. CC5 last before CC7.
-
-## Risks / open items (from recon Unknowns)
-
-1. 0xF643 create/restore correlation (CC2's first job; the restore doc
- comment already warns).
-2. 55-slot skill array: ACE terminates the session on mismatch — CC2/CC3
- must make it structurally impossible to send anything else.
-3. Slot cap is client-enforced only (ACE never checks on create) — honor
- `slotCount` like retail's UI did.
-4. Color-wheel/gradient widgets (`tagColorWheel`, GradCircle `0x1000030e`,
- shade scroll) may need new widget types in `DatWidgetFactory` — CC6
- scouts the authored layout first.
-5. Retail unknowns to resolve during slices, never guess: the chargen
- please-wait dialog context (decompiler-mislabeled field), the
- AppearancePage gender-flip-on-init oddity (@140355 — verify live before
- porting), `Method_CG` enums are empty in the header, ZoomIn tween
- duration constant is decompiler-garbled (measure against retail if it
- matters).
-6. Viewport inside the fixed canvas: the offscreen target's pixel size vs
- the canvas-scaled on-screen rect (render at scaled size for crispness or
- authored size for fidelity) — decide in CC6a with the user gate as
- arbiter.
-7. `references/*` absent in worktrees (except WorldBuilder, uninitialized
- submodule) — agents read ACE/holtburger from the MAIN checkout path.
-8. **CC7 landmine (found in the CC1 review fix round, 2026-08-15):** ACE's
- `PlayerFactory.CreatePlayer` heritage-override branch
- (references/ACE/Source/ACE.Server/Factories/PlayerFactory.cs:184-211)
- over-deducts skill credits when specializing a skill the active
- heritage's own list prices. For a skill priced ONLY by the global
- SkillTable, ACE correctly computes the incremental specialize cost via
- `SkillBase.UpgradeCostFromTrainedToSpecialized` (= `SpecializedCost -
- TrainedCost`) and charges `TrainSkill(trainedCost) +
- SpecializeSkill(incrementalCost)` = the field's TOTAL, matching retail.
- But when the heritage's own list has an entry, ACE sets
- `specializedCost = skillGroup.PrimaryCost` directly — `PrimaryCost` is
- already the TOTAL cost to reach Specialized (acdream's own
- `ChargenSkillCost.PrimaryCost` convention, confirmed against retail) —
- and then still charges `TrainSkill(NormalCost) +
- SpecializeSkill(PrimaryCost)`, over-deducting by an extra `NormalCost`
- credits versus what retail's client computed and what the player agreed
- to spend. Practical impact for CC7's connected gate: a retail-legal
- character build that specializes a skill the ACTIVE HERITAGE prices
- (every one of the 13 installed heritages has exactly one such skill —
- see `ChargenTableReaderInstalledDatTests.InstalledHeritages_SkillCostFallbackCoversTheKnownUncostableSkillSet`)
- may be REJECTED by local ACE with `FailedToSpecializeSkill` even though
- acdream sent the byte-correct 0xF656 body. If CC7's gate hits this,
- it is an ACE-side bug reproduced from its own source, NOT an acdream
- wire or math defect — do not "fix" acdream's cost math to match ACE's
- over-deduction. **MEASURED 2026-08-15 (user-prompted — downgrades this
- landmine to LATENT):** dumping the installed EoR DAT shows every one of
- the 13 heritages' single override is skill 14 (Arcane Lore) at
- NormalCost=0 / PrimaryCost=2, versus global TrainedCost=4 /
- SpecializedCost=6. ACE's over-deduction equals NormalCost — which is
- ZERO for the only heritage-priced skill — so ACE charges 0+2=2 and
- retail's client computes 2: they AGREE, and no character build can
- trigger the rejection with end-of-retail data. The formula bug in ACE's
- heritage-override branch is real but unfireable here; it only matters
- if a custom server ships a DAT whose heritage override has a nonzero
- NormalCost. The earlier "may be REJECTED" inference was made from code
- without measuring the data — the C4 closeout's observe-don't-infer
- lesson, again. Register: file an AD row if CC7 needs a documented
- workaround (e.g. picking a Specialized skill combination that avoids
- the heritage-priced skill for the connected gate) rather than silently
- adjusting acdream's send.
-
-## Review protocol
-
-Per slice: implement → Opus dual-lens (architectural + retail fidelity — this
-campaign is retail-heavy everywhere) → fixes → narrow re-review → DONE in
-ledger. CC2's review adds wire-byte scrutiny (the LA7a precedent: the
-reviewer decodes the binary); CC6's adds the visual-fidelity lens ahead of
-the user gate.
-
-## Ledger
-
-| Slice | Status | Commits | Review | Notes |
-|---|---|---|---|---|
-| CC1 | REVIEW-CLOSED 2026-08-15 | `04450041`, `cb4703e8` | CLOSED (fix round + narrow re-review; every citation independently re-derived) | Core model (no Chorizite leak) + Content projector; 31 math units + 6 installed-DAT gates (13 heritages). FINDING for CC3: each human heritage's "Adventurer" template IS retail's Custom entry point — attributes at the 10-floor (60/330), a real TemplateCG row, not a UI special case. **Review fix round (`cb4703e8`):** F1 doc corrected — Custom IS template index 0 (the Adventurer row), per `gmCGProfessionPage::UpdateProfession @ 0x004821b0` (case 0 → button 0x100003d9 / `ID_CharGen_CustomText`) and `CharGenState::SetTemplate @ 0x005C5A60` (commits via `CharGenState::ApplyTemplate @ 0x005C5080`, i.e. selecting Custom resets sliders to the floor spread, it does not bypass templates); F2 two-tier skill-cost fallback implemented (`ChargenOptions.GlobalSkillCostsBySkillId` from portal.dat 0x0E000004, `ChargenSkillCreditMath` checks heritage list then global list) + installed-DAT completeness assertion recording reality: the global SkillTable prices 38/54 advancement skill ids, every one of the 13 heritages ships EXACTLY one heritage-specific override (always also present in the global table), and 16 skill ids are genuinely uncostable in both tiers (retail's -1 case) — see `ChargenTableReaderInstalledDatTests.InstalledHeritages_SkillCostFallbackCoversTheKnownUncostableSkillSet`; F3 every `ChargenTableReader` collection is now frozen at projection (`ToFrozenDictionary`/`ToArray`, matching `MagicCatalog`'s pattern) including both `ChargenOptions.Empty` dictionaries; F4 a reflection guard test (`ChargenNoChoriziteLeakTests`) pins the no-Chorizite-leak contract by walking every public `AcDream.Core.CharGen` member; F5 `HasAnyAppearanceOptions`'s doc reworded to state precisely what it proves (an OR across eight lists, omitting the three color lists) + a new installed-DAT gate records per-list reality — found COMPLETE, every gender of every heritage has non-empty lists across all eight plus the three color lists, even the sparse Gear Knight/Olthoi variants; F6 `TryGetHeritage`/`TryGetStarterArea` annotated `[MaybeNullWhen(false)]` (matching the house `EmptyDatReaderWriter` pattern), all affected call sites (more than the originally estimated five) fixed across both test projects. Filed CC7 risk item 8: ACE's `PlayerFactory` heritage-override branch over-deducts skill credits when specializing a heritage-priced skill (references/ACE/Source/ACE.Server/Factories/PlayerFactory.cs:184-211) — a retail-legal build may be rejected by local ACE at the CC7 connected gate; this is an ACE bug, not an acdream defect. **Narrow re-review CLOSED:** the reviewer retro-graded F2 to HIGH (under the base commit 37 of 38 costable skills were charged zero) and confirmed the SkillBase.SpecializedCost->PrimaryCost mapping dodged the UpgradeCostFromTrainedToSpecialized trap. Residuals: R1 retail refunds +1 credit on a both-tier miss (port charges 0; unreachable via retail’s own skills listbox — NOTE FOR CC3 if any path ever exposes the 16 uncostable ids); R2 list downcast-mutability and R3 field-walking in the leak guard CLOSED at the merge-closeout commit (Array.AsReadOnly at every projection seam; GetFields walk added). Decomp fact for CC4: ApplyTemplate force-sets template_=0 for heritage 0xc/0xd — both Olthoi variants are hard-locked to Custom/template 0. |
-| CC2 | REVIEW-CLOSED, MERGED 2026-08-15 (`55fc51ed`) | `5eaad2c8`, `e77ebf10`, `95e95bb6` | PASS then CLOSED (fix round: F1 latch-scope narrowing + overwrite pin test, F2 register AD-100, F3 ACE double-NameInUse note, F4 creationFailed{code,reason,name}, F5 pointer, retail-discriminator citations) | Byte-exact 0xF656 (19-term checksum vs CG_Pack accumulator), shared 0xF643 type, correlation latch, status events + contract amendment. Core.Net 993 / Runtime 1667 / Launcher.Core 323, Windows+WSL |
-| CC3 | REVIEW-CLOSED 2026-08-15 | `9a84230c`, `397ccd62`, + the R1 closeout commit | CLOSED (dual-lens: retail fidelity PASS, architectural FAIL → F1-F16 fix round `397ccd62` → narrow re-review CLOSED, both lenses PASS. Re-review residual R1 — the cached wire count is stale by creates-since-last-CharacterList, so a SECOND create after a rejected enter got wire slot N instead of N+1 — fixed in the closeout commit: `LiveSessionController._createsSinceCharacterList` (reset on every fresh wire CharacterList apply + generation reset; applied only to the cached-wire branch — the display-roster fallback already counts prior appends), regression test `SecondCreate_AfterRejectedEnter_GetsTheNextWireSlot` drives create→Ok→rejected guid-enter→ReturnToSelection→second create and pins slots 0/1/2/3. R2: fix-round sha recorded here.) | `RuntimeCharacterCreationState` (new, `src/AcDream.Runtime/Session/`): full CharGenState mirror (heritage/gender/appearance/template/six attributes+locks/55-slot skill set/name/startArea/slot/verification state), mirroring `RuntimeCharacterSelectionState`'s exact pattern (snapshot/delta/event-stream/borrow-only view, generation-gated `Try*` internals). Ports `SetHeritageGroup`, `SetGender`, `SetTemplate`/`ApplyTemplate` (Custom = template 0, Olthoi force-lock), the six attribute setters + `GetAbsRemainingCredits` + `BalanceAttributes` (retail's literal str/end/coord/quick/focus/self round-robin order, cursor-based fairness), `SetSkillLevel` + `ResetSkillLevels`' three-way free-skill baseline (both two-tier cost lookups reuse CC1's `ChargenSkillCreditMath`/`ChargenSkillCost` verbatim — no duplicated math), `RandomizeStartArea`, and `DoFinish`'s complete gate sequence (empty name / unspent attribute credits [see F3 below] / already-Pending / client-side roster-vs-slotCount cap). `LiveSessionController` gained a sibling `IRuntimeCharacterCreationCommands` implementation (command family lands beside `IRuntimeCharacterSelectionCommands`, `IGameRuntimeCommands.CharacterCreation` added with the same default-throw shape as `CharacterSelection`), a `CharacterCreationState` property, `ILiveSessionOperations.CreateCharacter` (default method → `WorldSession.SendCharacterCreation`), and a `HandleCharacterCreationResponse` wire handler subscribed to `WorldSession.CharacterCreateResponseReceived` alongside the existing character-selection bindings. `ILiveSessionLifecycleHost` gained `ApplyCharacterCreated`/`ApplyCreationFailed` as DEFAULT interface methods (no-op) so `AcDream.App`'s existing host implementations keep compiling unchanged — wiring them to `SessionStatusWriter.CharacterCreated`/`CreationFailed` is left to CC4 (Runtime calls the hooks; the App-side forward is a future host-construction change; **F14: zero production call sites exist for these hooks until then — a headless bot cannot observe a create yet**). **Review fix round (this commit):** F1 (HIGH, blocking) the post-create log-straight-in no longer enters by roster INDEX — `WorldSession` gained a guid-based `EnterWorld(uint characterGuid, string accountName, TimeSpan?)` overload (refactored to share `EnterWorldCore` with the index-based overload) plus `ILiveSessionOperations.EnterWorldByGuid` (default method); `LiveSessionController` factored `EnterSelectedCore`/the new `EnterCreatedCharacterCore` through a shared `EnterHighlightedCore(sendEnterWorld)` — the cached wire `CharacterList` is stale for a just-created character by ACE design (ACE appends server-side and replies Ok with no CharacterList resend — `references/ACE/.../CharacterHandler.cs:170-172`), so an index-derived enter could throw (0 pre-existing characters) or enter the WRONG character (N pre-existing, display order ≠ wire order). F2 (HIGH, blocking) the post-create roster append no longer round-trips through `ApplyRoster` (which re-derives EVERY entry's `ActiveIndex` — a wire contract ACE indexes for delete, `CharacterHandler.cs:297` — from display/name-sort order); `RuntimeCharacterSelectionState` gained a real `AppendCreatedCharacter(characterId, name, wireIndex)` primitive that preserves every existing entry's `ActiveIndex` untouched and assigns the new entry's from the pre-create wire `CharacterList.Characters.Count` (0-based, read from the same cached source the index-enter path uses). F3 (MEDIUM-HIGH, blocking) the credit gate was NOT retail — `DoFinish(this, arg2)`'s real gate is `arg2 != 0 && remainingAtrbCredits > 0`: the ordinary click (`arg2=1`) warns-and-refuses, but the warning dialog's own confirm re-invokes `DoFinish(this, 0)`, which skips the check and sends with credits unspent (ACE accepts this). `TryBeginFinish`/`LiveSessionController.Finish`/`IRuntimeCharacterCreationCommands.Finish` gained a `confirmedUnspentCredits`/`confirmUnspentCredits` parameter (default `false` = retail's `arg2=1`) — the plan doc's own "retail FORCES full spend" line above (§Retail ground truth, Finish) was corrected in the same round. F4 (MEDIUM, blocking) a stale out-of-range template index surviving a heritage switch to a heritage with fewer templates now clears to `TemplateUnset` in `ApplyTemplateLocked`, mirroring `ConstrainAllByHeritage @ 0x005C65CC`'s `template_ >= count → template_ = 0xffffffff` clamp (previously it just returned, leaving the stale index to reach the wire). F5 (MEDIUM) AP-207's anchor was wrong (`SetAttribValue` never calls `FitTemplateToCharacter`) — corrected to the four real call sites, including a fourth the original filing also missed (`UpdateToDefaultAttributes @ 0x00482860`). F6 (MEDIUM) `ApplyCreationResponse`'s Pending/Undef branch no longer publishes from inside `lock(_gate)` — every branch now sets `kind` and a single `Publish` runs after the lock releases, matching every sibling method. F7 (MEDIUM) two new tests pin `BalanceAttributes`' persistent cursor: successive overspends absorb from different attributes, and the Self→Strength wrap. F8 (LOW) `ResetSkillLevels`' doc corrected — retail's real gate is BOTH costs `>= 0` (not "either tier"); the dictionary-presence equivalence is a CC1-established, installed-DAT-gated invariant, cited precisely. F9 (LOW) the `Slot` doc corrected — retail DOES assign it (`gmCharacterManagementUI::SelectCharacter @ 0x004EC160` → `SetSlot(GetSlot(...))`), just semantically stale (the last-selected PRE-EXISTING character's slot); conclusion (send 0) unchanged. F10 (LOW) AP-209's `classID` citation completed with the three heritage-dependent branch ids (ordinary/Olthoi/OlthoiAcid) plus admin variants. F11 the integration test fixture no longer stubs `EnterWorld` to a bare counter — it captures guid-based calls and the fixture now has two pre-existing characters whose wire order deliberately differs from alphabetical order, so the roster-preservation assertion actually exercises F2 instead of coinciding with it by accident. F12 filed register row AP-211 for the client-side `RosterFull` slot-cap refusal (acdream-side gate, no retail `DoFinish`-layer counterpart — same-commit rule). F13 `LiveSessionController.Finish`'s bare `catch {}` narrowed to `InvalidOperationException`/`SocketException` and `_scope` bound to a local after validation. F15 `RandomizeStartAreaLocked` now leaves `_startArea` unchanged on an empty list (matching retail's `if (var_9c > 0)` guard) instead of forcing `-1`. Filed register rows AP-207 (FitTemplateToCharacter's FPU-unrecoverable auto-detect skipped — ACE only reads `TemplateOption` for title text; anchor corrected this round), AP-208 (per-style color-count approximated by the shared gender-wide `ClothingColors` list — CC1's model has no per-style palette data), AP-209 (`classID` sent as a placeholder `0` — DAT DID lookup unavailable in Core, ACE ignores the field; branch table added this round), AP-210 (`ApplyTemplate`'s per-attribute guarded sequential set approximated as one atomic replace), AP-211 (this round — the `RosterFull` client-side slot-cap refusal). Tests: `tests/AcDream.Runtime.Tests/CharGen/RuntimeCharacterCreationStateTests.cs` (34 cases — every Finish gate including the F3 confirmed-credits path, the F4 stale-template clamp, the F7 cursor-advance/wrap pair, Ok/each-rejection-code response mapping, duplicate-NameInUse tolerance, Olthoi template lock, attribute-lock/balance interaction, uncostable-skill rejection, generation reset) + `.../Session/LiveSessionControllerCharacterCreationTests.cs` (5 cases — wire-send exactly 55 skill slots via a REAL `WorldSession` + `GameMessageCapture`, decoded byte-for-byte; the full Ok round trip via `WorldSession.ProcessDatagram` reflection asserting F1's guid-based enter + F2's ActiveIndex-preserving roster append + `ApplyCharacterCreated`; the NameInUse round trip asserting `ApplyCreationFailed` + no roster/enter side effect; the local-refusal-never-touches-the-wire gate; the F3 confirmed-unspent-credits send). Runtime 1706/0 (was 1701, was 1667), Core.Net unchanged at 994/0, full solution Release build green. OPEN for CC4+: `RuntimeCharacterCreationState`'s `ChargenOptions` currently defaults to `ChargenOptions.Empty` — threading the installed DAT's loaded options through `GameRuntime`/App startup is unresolved; the `Slot` field's real assignment source (which caller picks the target roster slot) has no decomp citation (ACE ignores it, non-load-bearing); `classID`'s real DAT-DID resolution (AP-209) if a non-ACE server ever needs it; the F14 zero-call-site status hooks. |
-| CC4 | REVIEW-CLOSED 2026-08-15 | `0e71d3b8`, `ec854db0`, `8add0667`, + the R5 closeout commit | CLOSED after two fix rounds + final re-review (R1 arbiter CLOSED; R5 — the chargen root extent pinned 800x600 by live-DAT observation in the closeout commit, closing the mismatch-throw crash premise). Original verdict: architectural FAIL (F1, F6) + retail-fidelity PASS-with-reservations (F2, F3, F4) + LOW findings F5/F7-F12 (F13 is a merge-mechanics note for the orchestrator, not an acdream defect). Fix round applied same-session (see the "Review fix round" paragraph at the end of this row); re-review status owed to the orchestrator. | Screen shell + form pages (App layer). **Mount:** `CharacterCreationUiController`/`CharacterCreationUiMountCoordinator` (`src/AcDream.App/UI/Layout/`) clone `CharacterManagementUiController`'s recipe — enum `0x10000039` via `RetailDataIdResolver.Resolve(dats, ..., 5u)`, root `0x100003CC` (decomp-verified: `gmCharGenMainUI::gmCharGenMainUI @ 0x004e7eb0`, NOT the plan doc's earlier `0x100003cc`-adjacent guesses — confirmed live against the installed DAT, `[CC4-DAT] enum=0x10000039 -> DID=0x21000038`), fixed-canvas AD-98 treatment shared with char-management. **CORRECTED at the review fix round (2026-08-15, F1) — the original claim above was FALSE**: `CharacterManagementUiController` does NOT do a per-tick set; it writes `UiRoot.FixedCanvasSize` ONCE on its own activation edge and NULLS it in both `Deactivate()` and `Dispose()`. This controller now matches that exact shape: `Open()` sets the canvas once, `Close()`/`Deactivate()`/`Dispose()` null it symmetrically. The un-nulled canvas was a real bug: `RuntimeCharacterCreationState` had no `CompleteEnter()` analogue to `RuntimeCharacterSelectionState`'s (added this round, wired at both `LiveSessionController` in-world edges), so the chargen view reported `IsActive=true` for an entire in-world session, and since `RetailUiRuntime.Tick` ticks char-management BEFORE chargen, chargen's un-nulled canvas would silently re-pin an 800x600 scale over the in-world UI forever once the screen had ever been opened (dormant at defaults, armed under `ACDREAM_OPEN_CHARGEN=1`). **Master shell:** progress bar `0x100003ce`, master page `0x100003d0` (state `0x10000025+page-1`), 6 page roots, 6 free-navigation tabs (`0x100003ef..f4`), nav buttons `0x100003c6..cb` — full decomp port of `gmCharGenMainUI::ListenToElementMessage @ 0x004e9450` (Back-at-Heritage→DoExit, Next capped at Summary, Finish Summary-only) and `SetProgressState @ 0x004e7a10` (the Olthoi Profession/Skills/Town tab-hide + forward/backward page redirect, keyed off the LIVE snapshot heritage id every call). Exit confirmation via `RetailDialogFactory.MakeConfirmation` + `ID_CharGen_ExitWarning` (table `0x23000002`, matching `DoExit @ 0x004e8650`); on confirm the screen just closes (visibility only — see AD-99's sibling precedent) rather than porting `gmEpilogueUI`. **Heritage page** (`CharacterCreationHeritagePage.cs`, decomp `InitializePage @ 0x00483a10` + the EXACT button-id→heritage-id map read off `ListenToElementMessage @ 0x00483860`, which is NOT numeric-order — e.g. `0x100005e8`→Tumerok(7)): all 13 buttons, composed description text (`ID_CharGen_Heritage_StartingSkills_Header/Body`, `ID_CharGen_Heritage_BonusSkills_Trained_Header` + per-heritage body — Shadowbound/Penumbraen share one string per the decomp's `case 5: case 0xa:`; Lugian/Olthoi/OlthoiAcid have no bonus-skills string in the retail table at all, confirmed by string-key absence, not guessed). Selecting a heritage ALSO auto-selects its lowest gender key (AD-101 — Appearance's real gender buttons are CC6b's). **Profession page** (`CharacterCreationProfessionPage.cs`, `InitializePage @ 0x00482d50` + `UpdateProfession @ 0x004821b0`'s template map, cited already on `ChargenTemplate`): 7 template buttons (Custom=index 0, the six presets NOT in id order), 6 attribute sliders with the exact e6/e7/e9/e8/ea/eb id↔attribute-id mapping (the documented 3/4 swap), avail/health/stamina/mana. Live-DAT probe found TWO widget-mapping surprises the decomp's `DynamicCast` calls don't predict: the slider's value display (`0x100002ef`) imports as `UiField` not `UiText` (retail's `NumberInputFilter`, `@0x00482e36`) — wired for direct numeric entry via `OnSubmit`, not just display; and all four avail/health/stamina/mana containers (and the Skills credits meter) author as `UIElement_Button` whose Type-12 value child is swallowed by `UiButton.ConsumesDatChildren` before ever becoming an addressable widget — substituted with the button's own `.Label` (AD-103). Health/Stamina/Mana formulas ported from `UpdateAttributeValues @ 0x00482450`: Health=Endurance/2 (int truncation — the decompiler elides the FPU divide at `_ftol2 @0x0048262b`, so the exact MSVC rounding mode is UNVERIFIED beyond well-established AC convention; flagged, not guessed-and-hidden), Stamina=Endurance, Mana=Self; Available=`RemainingAttributeCredits` directly (`UpdateCreditsMeter`-style, no formula). **Skills page** (`CharacterCreationSkillsPage.cs`, `InitializePage @ 0x00481dd0`): ONE flat listbox (AP-213, retail's four-bucket sorted `InsertEntrySorted`/`UpdateSkillEntry` model not ported) driven by CC3's `TrainSkill`/`SpecializeSkill`/`UntrainSkill` + the SAME two-tier `TryGetSkillCost` presence gate `RuntimeCharacterCreationState` uses (16 uncostable ids never listed, matching retail); credits meter via the AD-103 button-Label substitution; info panes `0x100003fb/fc` unbound (no info-pane content source this round). **Town page** (`CharacterCreationTownPage.cs`, `InitializePage @ 0x0047c6d0` + `SetTown @ 0x0047c360`'s literal index map): the four buttons map to LITERAL `startArea` indices (Sanamar→3, Holtburg→0, Yaraq→2, Shoushi→1 — not id order), composed "How To" + per-town description text. **Random** (`0x100003cb`, `DoRandom @ 0x004e7d70`): Heritage/Profession/Town approximated with a uniform pick over every valid option (AP-212 — no `RandomizeHeritageGroup`/`RandomizeTemplate` primitives exist); disabled outright on Skills (no `RandomizeSkills` primitive), Appearance (placeholder), Summary (CC5's warning dialog). **Options threading:** `RuntimeCharacterCreationState.InstallOptions(ChargenOptions)` (new, mirrors `RuntimeCharacterState.InstallSpellMetadata`→`Spellbook.InstallMetadata`'s "install immutable DAT metadata after construction, throw if already active" pattern) called from `ContentEffectsAudioCompositionPhase.Compose` (new `ChargenOptionsInstalled` composition point, right after `SpellMetadataInstalled`) via `IContentEffectsAudioCompositionFactory.LoadChargenOptions`/`InstallChargenOptions` — `ChargenTableReader.Load(dats)` threaded through the SAME DAT-open composition sequence spell metadata uses, always well before any session's `Begin()`. **CORRECTED at the review fix round (2026-08-15, F6)**: the original claim that headless was unaffected left a dead end — `HeadlessSessionHost` wired the `CharacterCreated`/`CreationFailed` status hooks (closing CC3's F14) but never installed `ChargenOptions`, so a content-bearing headless host could observe a create but never actually issue one (every chargen command silently refused against `ChargenOptions.Empty`). Fixed by installing options directly beside the existing `InstallSpellMetadata` call, off the same `HeadlessProcessContentLease.Dats`, whenever `contentLease` is non-null; a content-less headless host (a validated-legal configuration — see the R9 note near `_contentLease`'s other reads) still cannot issue chargen commands, matching its existing inability to resolve spell/collision data either. **Status hooks:** `LiveSessionLifecycleBindings` gained optional `CharacterCreated`/`CreationFailed` delegates (default `null` — every pre-CC4 construction site keeps compiling); `LiveSessionLifecycleHost` now overrides both `ILiveSessionLifecycleHost` methods to forward them; `LiveSessionHostBindings` gained matching optional fields threaded through `LiveSessionHost`'s constructor; both `LiveSessionRuntimeFactory.Create` (App/graphical) and `HeadlessSessionHost` wire them to `SessionStatusWriter.CharacterCreated`/`CreationFailed`, closing CC3's F14 (zero call sites). **Deferred command seam:** `IGameRuntimeView.CharacterCreation` (new default-throw member, mirrors `CharacterSelection`), `GameRuntime.CharacterCreation` (passthrough to `Session.CharacterCreation`), `CurrentGameRuntimeAdapter`'s new `CharacterCreationProjection` (IsActive-gated view+command wrapper, mirrors `CharacterSelectionProjection`), `DeferredGameRuntimeStateCommands`'s new `CharacterCreation` view getter + 9 generation-capturing wrapper methods, and `CharacterCreationRuntimeBindings` wired in `InteractionRetainedUiComposition.cs` (`CharacterCreation:` sibling of `CharacterSelection:`, `ResolveText` backed by a `DatStringResolver` cached once per composition (`characterCreationStrings`, review fix round F12 — a fresh resolver per call was allocating + re-locking on every Heritage/Town description lookup, several times per page switch) and locked under `d.DatLock` only around each `.Resolve` call, `OpenOnStart` from the new `RuntimeOptions.OpenCharacterCreationOnStart` / `ACDREAM_OPEN_CHARGEN=1` env flag — the interim open seam since Create stays ghosted). **Widget types added to `DatWidgetFactory`: NONE** — every id resolves through EXISTING factory mappings (Button=1, Text/Field=12, Scrollbar=11, ListBox=5); the two "new" findings (editable-Field slider value, button-consumed credits/vitals children) are AUTHORED-DATA-DRIVEN outcomes of the existing factory logic, not new widget classes. **Register rows filed (same commit):** AD-101 (Heritage-page auto-gender-select interim default), AD-102 (Viamontian/Sanamar ToD-account-ownership gate omitted — acdream has no account/DLC signal), AD-103 (avail/health/stamina/mana/credits-meter UiButton-Label substitution for retail's swallowed Text-child overlays), AP-212 (Random button's uniform-pick approximation), AP-213 (Skills page flat-listbox simplification), TS-82 (Appearance/Summary placeholder pages, reachable via free tab nav, content-inert pending CC5/CC6a/CC6b). **Tests:** `tests/AcDream.App.Tests/UI/Layout/CharacterCreationLiveDatTests.cs` (7 cases, `ACDREAM_PROBE_LIVE_MOUNT=1`-gated — sweeps every master-shell/page id against the installed DAT and pins the two widget-mapping surprises above) + `CharacterCreationUiControllerTests.cs` (16 cases — hand-built layout fixture, no DAT: page switching, Olthoi tab-hide+redirect, Back/Exit/Random gating, exit-confirm/cancel, per-page command dispatch including the slider/field/skill-row/town-button paths) + `tests/AcDream.Runtime.Tests/CharGen/RuntimeCharacterCreationStateTests.cs` (+4 `InstallOptions` cases) + `tests/AcDream.Runtime.Tests/Session/LiveSessionLifecycleHostTests.cs` (+2 status-hook forwarding cases). Runtime 1713/0 (was 1707), App 5117/13 skips (was 5101/6, +16 new +7 gated-skip), Headless 165/0 unaffected, full solution Release build green. **OPEN for CC5/CC6a/CC6b:** the real Appearance-page gender buttons must retire AD-101's auto-select; Summary's Finish gate, name input, and randomize-warning dialog (currently Finish/Random both hard-disabled); Skills page info-panes `0x100003fb/fc` have no content source wired yet; the four-bucket sorted skill list (AP-213) and retail's exact Random algorithms (AP-212) remain unported if a future gate demands byte-exact parity; the Health/Stamina/Mana rounding-mode residual (see above) would need a live cdb byte trace to fully pin. **Review fix round (this commit, 2026-08-15):** F1 (HIGH, blocking, architectural) — see the corrected FixedCanvasSize paragraph above; added `RuntimeCharacterCreationState.CompleteEnter()` (mirrors `RuntimeCharacterSelectionState`'s own, wired at both `LiveSessionController` in-world edges: `StartCore` and the shared `EnterHighlightedCore`) and made `CharacterCreationUiController.Open`/`Close`/`Deactivate`/`Dispose` set/null `UiRoot.FixedCanvasSize` symmetrically with `CharacterManagementUiController`'s real (not per-tick) shape; added FixedCanvasSize coverage to `CharacterCreationUiControllerTests`. F2 (MEDIUM-HIGH, blocking, fidelity) — the attribute-slider scalar mapping was NOT retail's: fixed the display scalar to `value/100f` (`UpdateAttributeValues @ 0x0048251d`) and the drag inverse to `Math.Max(10, (int)(scalar*100f))` — truncate, clamp low only, no rescale (`ListenToElementMessage @ 0x004829c0`'s scrollbar-drag case, independently re-derived against the decomp and confirmed byte-for-byte); added tests at scalar 0.5 and 0.0 (the previous single scalar=1f test coincidentally agreed with both the old wrong formula and the new correct one). F3 (MEDIUM, blocking, fidelity) — ported `ListenToElementMessage @ 0x004e9450`'s heritage-button tab-restore arm (independently re-derived from the decomp: SHOW ids `0x100003bf/c1/c2/c3/10000590/91/100005a9/bf/c4/e8`, HIDE ids `0x100005c7/c8`, with Lugian `0x100005f1` genuinely absent from both switch cases — a real retail quirk, reproduced faithfully) as `CharacterCreationUiController.ApplyHeritageTabRestore`, invoked synchronously from a new `CharacterCreationHeritagePage` ctor callback on every button click; added restore-after-Olthoi-hide and Lugian-no-restore tests. F4 (MEDIUM, fidelity, blocks the user gate) — `gmCGTownPage::SetTown @ 0x0047c360` also sets the TOWN PAGE's own retail state (a separate literal map from the master page's per-page-index cycling: Holtburg->0x10000034, Shoushi->0x10000037, Yaraq->0x10000036, Sanamar->0x10000035, re-asserted directly at the Sanamar-click site `@0x0047c518`) — independently re-derived from the decomp's tail-merged-branch pattern and ported to `CharacterCreationTownPage.Refresh` via the existing `IUiDatStateful.TrySetRetailState` seam; added a test. F5 (MEDIUM) — AD-103's "composited pixel result unchanged" claim was asserted, not measured; softened to state the equivalence is unverified rather than building a rect/justify comparison probe this round. F6 (MEDIUM, blocking, architectural) — **decision: install `ChargenOptions` in the headless content path (option (a) of the two offered), not the deferred/out-of-scope alternative** — `HeadlessSessionHost` now calls `RuntimeCharacterCreationState.InstallOptions(ChargenTableReader.Load(content.Dats))` beside the existing `InstallSpellMetadata` call whenever `contentLease` is non-null, closing the gap where CC3's F14 status hooks were wired but no content-bearing headless host could ever produce a create to observe. F7 (LOW-MEDIUM) — AP-213 already named the label format and the click/double-click substitution explicitly on inspection; no row edit needed. F8 (LOW) — AP-212 now names all SIX of `DoRandom`'s decompiled primitives (added the three the original row omitted: `RandomizeAppearance @ 0x005c4f10`, `RandomizeClothing @ 0x005c6770`, `RandomizeCharacter @ 0x005c6d80`, independently verified against the decomp alongside the three already-cited ones) and states the known landing site (Runtime, beside CC3's `CharGenState` ports). F9 (LOW) — AD-101's retirement condition corrected: must happen before CC5's Finish un-ghosts, not merely "at CC6b" (CC5 precedes CC6b in the slice order; shipping Finish first would let a create complete on an implicit gender default). F10 (LOW) — merged `ItemAppraisalTextFormatter.SkillName`'s two consecutive `` blocks into one. F11 (LOW) — TS-82's "see AP-211's sibling gate" cross-reference was wrong (AP-211 is the unrelated roster-slot-cap refusal); corrected to point at TS-82's own CC5 dependency. F12 (LOW) — cached the chargen `DatStringResolver` once per composition (`characterCreationStrings` in `InteractionRetainedUiComposition.CreateRetainedUi`) instead of constructing + DAT-locking fresh on every `ResolveText` call; the `LinesProvider` per-Refresh closure allocation already matched the house pattern used throughout `CharacterStatController.cs` and elsewhere, so it was left as-is. F13 is a merge-mechanics note (TS-82 collides with campaign-cc6a's TS-82/83) for the orchestrator at merge time — no acdream-side action taken. **CC4 re-review round (`ec854db0`'s own fix round, 2026-08-15) — R1 (MEDIUM, blocking, architectural, NEW residual introduced by the F1 fix above):** the F1 fix's raw `_host.FixedCanvasSize = null` in `Close()` was STILL a bug — character-creation can be simultaneously active on top of character-management (which stays active underneath, ticking its own roster), and nulling the shared host-global from either screen without regard for the OTHER screen's own active declaration strips it out from under whichever screen is still open (the exact AD-98 gate-round-2 misalignment defect resurfacing one layer up: char-select renders unstretched with dialogs centered against the raw window). Root cause per the reviewer (agreed): TWO controllers writing ONE host-global with no owner. **Fix — the root-cause shape, no workaround:** `UiRoot` gained a single arbiter, `DeclareFixedCanvas(object owner, Vector2 size)`/`RevokeFixedCanvas(object owner)` (see AD-98's own register row for the mechanism detail); both `CharacterCreationUiController` and `CharacterManagementUiController` now declare on their activation edge and revoke on close/deactivate/dispose instead of writing `FixedCanvasSize` directly — grepped for stragglers, none remain in production code; the raw property setter stays public only for `UiRootFixedCanvasTests`' isolated scale-math coverage. **Test (reviewer-specified):** `tests/AcDream.App.Tests/UI/Layout/CharacterScreensFixedCanvasArbiterTests.cs` — two controllers sharing ONE `UiRoot`, asserting the canvas across the full sequence (char-mgmt active → chargen Open → chargen Exit-confirm Close, canvas STAYS SET because char-mgmt is still active → char-mgmt deactivate, NOW it nulls) plus the original F1 defect's own covering case (both screens revoke together at world entry). **R3 (LOW):** `tests/AcDream.Headless.Tests/HeadlessSessionHostTests.cs`'s new `ContentLease_InstallsRealChargenOptions_SelectHeritageIsAccepted` proves F6's install actually opens the gate — a `HeadlessSessionHost` built with a content lease carrying a REAL hand-built `DatCharGen` heritage (not `ChargenOptions.Empty`) has that heritage present in `CharacterCreationState.Options`, and `TrySelectHeritage` for it succeeds once `Begin` is called (both called directly via this project's existing `InternalsVisibleTo` on `AcDream.Runtime`, isolating the F6 wiring from the unrelated real-network handshake needed to reach the same session state through the normal command gate). **R2 (LOW):** filed `docs/ISSUES.md` #402 for the pre-existing `Streaming.LandblockBuildFactoryTests.Build_UsesTheSuppliedSharedReaderGate` full-suite flake (passes isolated, fails ~2/5 full-suite runs, last touched `82f8d4f8` 2026-07-25 — unrelated to Campaign CC) so it stops being re-discovered. **R4 (LOW):** fixed the "unchached" → "uncached" typo in `InteractionRetainedUiComposition.cs`'s F12 comment. Runtime 1713/0 (unchanged), App 5127/13 skips (+2 new: 2 `CharacterScreensFixedCanvasArbiterTests` cases), Headless 166/0 (+1 new: R3's test), full solution Release build green. |
-| CC5 | REVIEW-CLOSED 2026-08-16 | `34e3a534`, `a975efd1` (ledger), `0c8e1e7d` (fix round), `2d4168f9` (ledger), residual round `356545c5` | CLOSED (dual-lens: architectural PASS-with-items, retail-fidelity FAIL → F1-F14 fix round `0c8e1e7d` → narrow re-review: all code fixes oracle-verified, residuals R1-R5 all test/doc → this commit; re-reviewer pre-authorized lead diff-check close) | Summary page (`CharacterCreationSummaryPage`, `src/AcDream.App/UI/Layout/`) fills TS-82's placeholder: name field (`0x10000402`, `UiField`) with `NameInputFilter @ 0x004663b0` ported verbatim (ASCII letter/space/apostrophe/hyphen) and the retail commit-on-idMessage-0x12-or-0x44 dispatch (`ListenToElementMessage @ 0x0047bf40`) mapped onto `UiField.OnFocusLost`/`OnSubmit`; a >32-char commit reverts the field and shows `ID_CharGen_NameTooLong` (`DoNameLimitDialog @ 0x0047bd80`) — the field's own `UiField.MaxCharacters` is deliberately left UNCAPPED so this retail code path stays reachable (a per-keystroke cap would make it dead, an F1-class bug caught by `SummaryNameField_TooLong_...` failing before the fix); the 32-vs-decomp's-literal-33 threshold choice is register AP-225. The listbox (`0x10000400`, `UiTemplateListBox`) ports retail's REAL three-row-template system verbatim — NOT a flat simplification like the Skills page's — confirmed against the installed EoR dat via a live probe before writing any page code (`SetSummaryText @ 0x0047b1d0`'s three `AddItemFromTemplateList` indices: template 0 = one `UiText` line at child `0x100002f9`, template 1 = a category-header `UiText` at `0x100000fe`, template 2 = a key/value `UiText` PAIR at `0x100002fc`/`0x100002fd` — all three CONFIRMED present with those exact child types by `CharacterCreationLiveDatTests.SummaryPage_HasNameFieldListboxTemplatesAndViewport`, replacing an earlier scratch Console.WriteLine probe used to derive the finding). Populated rows: Profession/Gender/Heritage/Starting Town (template 0), an "Attributes" header (template 1) + Strength/Endurance/Coordination/Quickness/Focus/Self/Health/Stamina/Mana/Skill Credits (template 2, ten pairs matching `SetSummaryText`'s own 0..9 loop — Health/Stamina/Mana reuse `CharacterCreationProfessionPage.Refresh`'s own already-cited `UpdateAttributeValues @ 0x00482450` formulas rather than this page's OWN decompiler-ambiguous `GetAttribute(2)`/`GetAttribute(2)` pair, register AP-224), then Specialized/Trained skill-name listings only (retail's other two Untrained buckets skipped, same class of cut as AP-213's own precedent, also AP-224). Summary's viewport (`0x10000406`) is its OWN `gmCG3DView` instance — decomp-confirmed a SEPARATE instance from the Appearance page's (`InitializePage @ 0x0047bbf0`'s own `gmCG3DView::gmCG3DView`/`SetCamera`/`SetPlayerHeading(180)`/`StartAnimation` calls, matching the plan's own citation) — wired through a SECOND, independent `ChargenPreviewRenderer`/`ChargenPreviewController` pair (no zoom/rotate buttons bound, matching retail's own control-less Summary viewport) mirroring the Appearance preview's exact one-shot composition shape end to end: `LivePresentationResult`/`LivePresentationComposition.Compose` (a new `RetailSummaryPreviewPageVisibility` sibling class), `FrameRootComposition`'s `PrivateEntityViewportFrameGroup` (4th member), `GameWindow`/`GameWindowLifetime` guard fields + `RenderShutdownRoots` disposal entries, and `RetailUiRuntime`'s `SummaryPreviewViewportWidget`/`SummaryPreviewControl`/`IsSummaryPreviewPageVisible` — the SAME AP-221 one-shot-composition-vs-retryable-coordinator fragility applies to this second binding too (not filed as a separate row; AP-221's own text already generalizes to "every private viewport" this pattern touches). **RandomizeCharacter port (the F12 amendment's own explicit requirement, `RuntimeCharacterCreationState.cs`):** `CharGenState::RandomizeCharacter @ 0x005c6d80` and its six sub-primitives (`RandomizeAppearance @0x005c4f10`, `RandomizeHeadgear @0x005c5e10`, `RandomizeShirt @0x005c5ef0`, `RandomizeTrousers @0x005c5fb0`, `RandomizeFootwear @0x005c6070`, `RandomizeClothing @0x005c6770`, `RandomizeTemplate @0x005c6500`) are ported faithfully, not approximated — the RNG primitives both retail overloads reduce to are independently confirmed from TWO sources: the decompiled bodies of `RandInt(int) @0x00684400` (uniform `[0,count)`) and `RandInt(int,int) @0x00684420` (re-roll until different from the excluded value, short-circuiting to 0 for `count<=1` to avoid an infinite loop), AND `acclient.h`'s own `CharGenStateVtbl` struct, whose `___u1` member is literally a union of `GetRandomInt(this,int,int)`/`GetRandomInt(this,int)` — confirming `RandomizeAppearance`'s vtable-indirected calls are this SAME pair, not a distinct unnamed algorithm (a finding that resolved what would otherwise have been a genuine BN-decompiler ambiguity, per the class of trap `feedback_bn_decomp_field_names.md` warns about). The heritage roll (`RollDice(1, hasToD?4:3)`) is confirmed to pick ONLY among the four HUMAN heritage groups (`ChargenHeritageGroup.Aluvian..Viamontian`, ids 1-4) — a genuine retail quirk (a "random" character is always human) reproduced faithfully, not "fixed" to roll among all 13; the hasToD bound reuses AD-102's own already-established convention (acdream has no account/DLC signal, treats every account as ToD-owning) rather than inventing a second one. `RandomizeTemplate`'s Olthoi branch (`template_=1` then `ApplyTemplate` force-resets to 0 — the intermediate write is a decomp-confirmed no-op, this port skips straight to the force) is real but structurally UNREACHABLE through `RandomizeCharacter` specifically (that caller's own heritage roll never lands on Olthoi) — its own standalone exposure was out of this slice's named scope (only Appearance+Summary consumers were required), so it stays an internal-only helper this round. Three new Runtime command surfaces (`TryRandomizeCharacter`/`TryRandomizeAppearance`/`TryRandomizeClothing`) thread through the full stack (`IRuntimeCharacterCreationCommands` → `LiveSessionController` → `CurrentGameRuntimeAdapter.CharacterCreationProjection` → `DeferredGameRuntimeStateCommands` → `CharacterCreationRuntimeBindings`), consumed by three call sites: (a) `CharacterCreationUiController.Open`'s new `RollOpeningCharacter` — retiring AP-214 outright (deleted, not narrowed): the chargen screen now rolls a full random character before showing Heritage, exactly mirroring `gmCharGenMainUI`'s ctor-time call, and then reproduces `gmCGAppearancePage::InitializePage`'s own gender-read-and-FLIP-to-the-opposite (`~0x004802da-0x00480303`, decomp-confirmed `mGender==1→SetGender(2)`/`mGender==2→SetGender(1)`) — since acdream's pages are constructed once at mount time rather than per-visit like retail's whole UI tree, `Open()` (already the established one-shot-per-visit hook for the fixed-canvas declare) is the closest analogue to "runs once per gmCharGenMainUI construction," so both the roll and the flip land there; (b) the Summary page's Random button, gated behind `MakeRandomizeWarningDialog @ 0x004e8a90`'s `ID_CharGen_RandomizeWarning` confirmation (`gmCharGenMainUI::CloseRandomizeWarningDialog @ 0x004e8400`'s own confirm-arm re-invoke, verified NOT re-entrant into the warning gate since that gate lives in the button-click dispatcher, not inside `DoRandom` itself); (c) the Appearance page's Random button, dispatched on the page's own Face/Clothes sub-tab (`DoRandom @0x004e7d70` case 3) — both (b) and (c) retire the Appearance+Summary halves of AP-212 (narrowed, not deleted — Heritage/Profession/Town's uniform-pick and Skills' hard-disable are unchanged, out of this slice's scope). **Finish flow:** `_finish.OnClick` wired to `OnFinish`/`TryFinish` (previously null — retail enables Finish on Summary only, `ListenToElementMessage`'s own `m_eProgressState != ECG_SUMMARY` no-op guard now reproduced via `ApplyProgressState`'s `_finish.Enabled` gate instead); on a local `NoName` refusal shows `ID_CharGen_NoNameWarning` (plain message dialog); on `AttributeCreditsUnspent` shows `ID_CharGen_CreditWarning` (`MakeCreditWarningDialog @ 0x004e8870`), whose confirm re-invokes `TryFinish(confirmedUnspentCredits: true)` — retail's `DoFinish(this,0)` call at `RecvNotice_CloseDialog @0x004e98bb`, already CC3-built (`TryBeginFinish`'s `confirmedUnspentCredits` parameter existed since the CC3 review-fix round, this slice is its first UI consumer). **F12 amendment — `RuntimeCharacterCreationLocalRefusal.HeritageOrGenderUnset`** (register AP-223): a NEW acdream-only local refusal in `TryBeginFinish`, checked right after the empty-name check — retail's own `DoFinish` has no such check because it can't reach a state where either is unset (the ctor-time roll makes it architectural), so this is a defensive backstop for any caller (headless bot, future direct command) that bypasses the screen-open roll; normally unreachable through the ordinary UI now that (a) above always runs first. **0xF643 rejection dialogs** (`ReconcileDialogs`, dedup'd against the last-shown rejection instance since `Tick`/`ReconcileDialogs` runs every frame, not just on revision change): NameInUse→`ID_Character_Err_NameReserved`, NameBanned→`ID_Character_Err_NameBanned`, Pending/Corrupt/DatabaseDown→`ID_Character_Err_NameDBDown`, AdminPrivilegeDenied→`ID_Character_Err_NameAdminDenied`, Undef/any unrecognized code→`ID_Character_Err_NameDBDown` (default arm) — **corrected at the CC5 review-fix round, F2 (2026-08-16): the original CC5 claim that "Pending/Undef never reach this dialog — CC3's `ApplyCreationResponse` treats them as a silent reset" was WRONG.** Byte-decoded `gmCharGenMainUI::RecvNotice_CharGenVerificationResponse @0x004e9030` shows Pending is an explicit switch case landing on the SAME `NameDBDown` label as Corrupt/DatabaseDown, and Undef falls through the function's `(arg2-1) > 6` unsigned-underflow default arm to that same label — there is no silent branch in retail's dispatch at all. `ApplyCreationResponse` now produces a real `RuntimeCharacterCreationRejection` for Pending/Undef instead of a silent state reset, so ACE's disabled-Olthoi Pending rejection (which used to make Finish a silent no-op forever) now correctly surfaces the NameDBDown dialog; dismiss calls the already-existing `AcknowledgeRejection` command (now finally wired to a UI consumer via a new `SetName`/`AcknowledgeRejection` pair on `CharacterCreationRuntimeBindings`, both of which existed on `IRuntimeCharacterCreationCommands` since CC3 but had no App-layer binding until this slice). **Register bookkeeping this commit:** TS-82 RETIRED (50→49 active TS rows); AP-214 RETIRED (RandomizeCharacter now ported); AP-212 NARROWED (Appearance/Summary closed, Heritage/Profession/Town/Skills remain); AP-223/AP-224/AP-225 filed (158-1+3=160 active AP rows) — the HeritageOrGenderUnset local refusal, the Summary listbox's two-bucket skill-list narrowing (reusing AP-213's precedent), and the 32-vs-33 name-length threshold reconciliation. **Tests:** `tests/AcDream.Runtime.Tests/CharGen/RuntimeCharacterCreationStateTests.cs` (+11: the two new HeritageOrGenderUnset refusal cases, a 200-seed sweep proving the heritage roll never escapes the four human ids even with an Olthoi/Impoverished heritage present in the fixture, a full-roll appearance/clothing/template/start-area completeness check, an inactive-state rejection case, appearance/clothing standalone-command gating, and a 50-iteration single-option-list hang check pinning `RandInt`'s `count<=1` short-circuit) — the fixture (`RuntimeCharacterCreationStateFixture.cs`) gained heritage ids 2-4 (mirroring Aluvian) and a second (Female) gender option on every human heritage, since a real `RandomizeCharacter` roll now needs both genders resolvable or half of all seeds hit the "gender resolves to nothing" fallback path by design; `tests/AcDream.App.Tests/UI/Layout/CharacterCreationUiControllerTests.cs` (+23: open-roll/gender-flip pair, five Finish-flow cases, Random-on-Summary confirm/cancel, Random-on-Appearance Face/Clothes dispatch, three name-field cases, two rejection-dialog cases, plus the two CC4-era Finish/Random tests REWRITTEN for the new un-ghosted/enabled behavior — `Finish_GhostedExceptOnSummary`, `Random_IsDisabledOnSkillsPageOnly`); `tests/AcDream.App.Tests/UI/Layout/CharacterCreationLiveDatTests.cs`'s scratch structure probe replaced by a permanent `SummaryPage_HasNameFieldListboxTemplatesAndViewport` gate. Counts (Release, `ACDREAM_PROBE_LIVE_MOUNT=1` + `ACDREAM_DAT_DIR` set so every installed-DAT-gated test runs): Runtime 1722/0 (was 1713/0), App 5240/3 skips (was 5223/3, two consecutive full-suite runs both clean — one earlier single-run failure in the UNRELATED, pre-existing `SocialPanelLiveMountProbeTests.ProbeLiveMountShapes` passed clean standalone and on the immediate full-suite re-run, a known flake class not touched this slice), Headless 166/0 (unchanged, confirms the `IRuntimeCharacterCreationCommands` interface addition needed no Headless-side changes), full solution Release build green. **OPEN for CC6/CC7:** the dual-lens review itself; Heritage/Profession/Town's Random still uniform-pick (AP-212 residual, not this slice's scope); `RandomizeSkills`/the Skills-page Random stays hard-disabled; the Summary "How To" text (`0x10000404`) is mounted but left unpopulated — no decomp citation for its content was pursued this round (out of the plan's named scope; a minor, harmless gap, not a functional one); the F12-amendment's own note that `RandomizeTemplate`'s Olthoi branch is real-but-structurally-unreachable through the ported call graph is left as an internal observation, not a register row (nothing user-observable diverges from it). **Re-review residual round (2026-08-16, this commit):** the narrow re-review of `0c8e1e7d` found every code fix oracle-verified but returned NOT CLOSED on five test/doc residuals plus nits. R1 — added the missing App-layer regression test (`CharacterCreationUiControllerTests.SummaryNameField_RealCommitAfterExternalRefreshWhileUnfocused_StillReachesSetName`) that actually drives the F1 bug shape (external Refresh-driven `SetText` while unfocused, THEN a real `SetText`+`Submit` user commit), since the claimed coverage never touched the page. R2 — added direct `RetailSkillFormula.CalculateChargenScore`/`ChargenSkillScoreResolver` coverage (`tests/AcDream.App.Tests/Net/RetailSkillFormulaTests.cs`: a Untrained/Trained/Specialized theory, the divisor-zero skip path, and a six-way `AttributeId` theory), replacing the F12(d) test's `skillId * 10` substitute as the ONLY prior coverage. R3 — MEASURED (not assumed) the installed DAT's SkillTable `MinLevel` distribution (`CharacterCreationLiveDatTests.SkillTable_MinLevelDistribution_NeverExceedsTrained`: 23 skills at MinLevel 1, 15 at MinLevel 2, of 38 priced skills, zero above 2) and restated `RetailSkillFormula.cs`'s doc comment around the measured fact instead of the unverified "no skill exceeds Untrained=1" claim — ACE's own hedge (`// 1-2?`) was right; the structural "gate holds for any MinLevel in {1,2}" argument is now the load-bearing one, not the data claim. R4 — filed AP-228 (the Summary/Skills skill-row KEY sourcing from `ItemAppraisalTextFormatter.SkillName`'s hardcoded English switch, where retail's own key is DAT-sourced — same class as AP-226, reversed polarity, also present at CC4's Skills page) and softened AP-224's "ported exactly" claim to note it only ever covered the row's VALUE/template, never its KEY. R5 — this commit's message corrects `0c8e1e7d`'s false "Release build zero warnings" gate claim (18 pre-existing warnings, all in the unrelated `AcDream.Core.Tests` project, none in any project this campaign touched). Plus three nits: the `ChargenPreviewController` ctor doc now also cites `gmCGSummaryPage::Update @0x0047baa0` (the per-heritage re-derive site, not just the one-shot `InitializePage` seed); the F2 inline comment's "Finish becoming a permanent no-op" reworded (`_verificationPending` was already cleared pre-fix too — Finish was never blocked, only the RESPONSE feedback vanished); and #404 filed for `ChargenSkillScoreResolver`'s own independent SkillTable read alongside `ChargenTableReader`'s (cleanup, not urgent — not this round's scope). |
-| CC6a | CODE-COMPLETE 2026-08-15 (foundation only — narrowed scope per the CC4∥CC6a parallelism contract: no page mount, no spin/color-wheel controls, no rotate/zoom behavior; all deferred to CC6b after CC4 merges) | `55bfd9ca` (foundation), `1774d8b2` (same-session review fix round, F1-F12) | Dual-lens review returned architectural PASS with reservations + retail fidelity PASS with reservations, merge after F1/F2/F3 — all three (plus F4-F10) landed this round; F11/F12 are CC6b-scope notes only (see below) | **Index→ObjDesc factory** (`ChargenAppearanceFactory.TryCompose`, `src/AcDream.Core/CharGen/`, pure — no Chorizite types on its public surface, verified by the existing `ChargenNoChoriziteLeakTests` reflection guard, which walks the whole `AcDream.Core.CharGen` namespace and now covers these new types too): ports `gmCG3DView::Update @ 0x004EE9D0`'s ObjDesc rebuild in its EXACT decompiled append order — base body → hair style → **Headgear → Trousers → Shirt → Footwear** (verified from the decompiled control flow, NOT the UI tab order 5/6/7/8 or the CC2 wire's field order, both of which are headgear/shirt/trousers/footwear and would have been wrong) → eyes (bald-aware) → nose → mouth → skin subpalette (UNCONDITIONAL, no selection gate, unlike every other slot) → hair color → eye color. New pure Core types: `ChargenPalSet`/`ChargenPalSetMath` (shade→index), `ChargenClothingTable`/`ChargenClothingBaseEffect`/`ChargenClothingPaletteTemplate`/`ChargenClothingSubPaletteChoice` (pure ClothingTable projection), `IChargenPalSetSource`/`IChargenClothingTableSource` (DAT-touching work pushed behind these, implemented by the new Content-layer `ChargenAppearanceCatalog`, `src/AcDream.Content/CharGen/`, a cached dat reader mirroring `ChargenTableReader`'s discipline), `ChargenAppearanceSelection` (mirrors `RuntimeCharacterCreationAppearance`'s 14-index/6-shade shape field-for-field so CC6b's Runtime→Core mapping is a trivial copy — kept as a separate type since Core cannot depend on Runtime). **Palette resolution — two sources, no guessing (corrected at the review fix round — see F3 below):** `PalSet::GetPaletteID`'s FPU-elided body (`(int)((count - 0.000001) * shade)`, clamped) is corroborated by ACE's `PaletteSet.GetPaletteID` (comment: "Taken from acclient.c") AND the decomp's own control-flow shape (the `>= 0.0` gate at `0x005AC5A0`). ACViewer's `ClothingTableList.xaml.cs:97` does NOT corroborate this — it computes a different expression (`Shades.Maximum - 0.000001`, i.e. `count-1`, not `count`) for a different problem (mapping a shade back to a UI slider position), and `references/ACViewer`'s vendored `PaletteSet.cs` is ACE's own file, not an independent reimplementation — the original "three independent sources" claim overcounted by one. Skin/hair use `PalSet`+shade indirection (skin: `sex.SkinPalSet`; hair: `sex.HairColors[i]` is ITSELF a PalSet id — confirmed against `PlayerFactory.cs:96`); eye color is the ONE exception — a raw Palette id used directly with NO shade indirection (confirmed against `PlayerFactory.cs:100`'s `EyesPalette = sex.EyeColorList[eyeColor]`, no `GetPaletteID` call, unlike the two lines above it). Hard-coded overlay ranges recovered from the decomp's literal bytes: skin (real offset 0, count 192 → packed 0/24), hair (192/64 → packed 24/8), eyes (256/64 → packed 32/8) — all three independently cross-checked against `PaletteOverride`'s pre-existing `*8` packing doc comment. **Clothing dye resolution, installed-DAT-verified:** `CharGenState::GetHeadgearPaletteTemplateID`/Shirt/Trousers/Footwear (0x005C38F0-0x005C3980) each read a PER-SLOT cached array, but all four are populated from the SAME single `Sex_CG::ClothingColors` dat field — there is no per-slot color list in the schema at all. This CONFIRMS (not merely approximates, contra the original AP-208 framing) that CC3's shared-list design is exactly retail's own mechanism; live-DAT probe: Aluvian male `ClothingColors = {9,6,4,8,7,5,2,3,13}` and the "Cloth Cap" headgear's `ClothingSubPalEffects` keys include every one of those values directly. **Chargen preview renderer** (`ChargenPreviewRenderer`, `ChargenPreviewCamera`/`ChargenPreviewViewportCamera`, `ChargenPreviewEntityBuilder`, all new files under `src/AcDream.App/Rendering/`): follows `PrivateEntityViewportRenderer`'s exact architecture (offscreen target → texture table → `UiViewport` sprite later), a THIRD facade beside `PaperdollViewportRenderer`/`CreatureAppraisalViewportRenderer` — no existing file touched. `ChargenPreviewEntityBuilder.TryBuild` resolves Setup/GfxObj/Surface/Animation dat data itself (there is no live entity yet) using the SAME algorithms as `DatLiveEntityProjectionMaterializer` (surface-override resolution ported verbatim) and `RetailPaperdollPoseApplicator` (final-frame held pose), generalized to the per-heritage rest-pose DID retail actually uses (`m_didAnimationRest`: enum `0x10000005` for every standard heritage — the SAME id the paperdoll's own pose reads — `0x10000011` for Olthoi, `0x10000013` for OlthoiAcid, all resolved through master-map slot 7). **Camera** (`gmCGAppearancePage::Update @ 0x0047E8F0`, cross-checked against the identical literals in `ZoomIn`/`ZoomOut @ 0x0047CF00`/`0x0047D050`): four distinct default (zoomed-in) eye profiles across the 13 heritages — Olthoi (0,-1.85,1.85), OlthoiAcid (0,-3.05,2.75), Tumerok (0,-0.85,1.65), everyone else including Gearknight (0,-0.55,1.65) — direction always identity (zero yaw/pitch, same convention `DollCamera` already established); zoomed-OUT profiles also recorded for CC6b (Olthoi (0,-3.80,1.15), OlthoiAcid (0,-5.70,1.65), everyone else (0,-2.50,0.95) — no Tumerok special case on the OUT side). Rotation is NOT a camera property: retail's continuous-rotation button spins the CHARACTER (`CPhysicsObj::set_heading`), not the camera — CC6b's heading parameter belongs on the entity builder. **Constants recovered, not just cited (deliverable #4):** `RotationSecondsPerRevolution = 3.0` (clean in the decomp, no reconstruction needed) and `ZoomTweenDurationSeconds = 0.6` — the plan's own risk list flagged this SECOND constant as "decompiler-garbled"; it is NOT unrecoverable: reinterpreting the decompiler's garbled float literal as the raw low-32-bit store and pairing it with the (clean) high dword reconstructs the exact IEEE-754 double both at `DoZoomAnimation`'s reset-default site (→ 0.6) AND independently at `ZoomIn`/`ZoomOut`'s `-0.1` invalidation sentinel (→ exactly the textbook IEEE-754 bit pattern for -0.1, cross-confirming the reconstruction technique itself). **Register rows filed (same commit):** TS-83 (the CC6a static-pose-vs-retail-idle-loop staging, explicitly named by the plan, to be retired by CC6b) and TS-84 (a MEASURED, not assumed, scope cut — CC6a's composer does not port retail's ~8-branch clothing Setup-substitution chain; the installed-DAT catalog test proves this costs nothing for the 9 standard heritages whose UI shows clothing controls, but Undead's default gear choices genuinely miss `ClothingBaseEffects` coverage on ALL FOUR clothing slots — headgear, trousers, shirt, AND footwear, not the three-slot "headgear/trousers/footwear" an earlier draft of the row understated — for Undead's own live body Setup on both genders; the review fix round pinned this exact 4-table-id measurement with a real assertion rather than a WriteLine (F7), and corrected the row/doc-comment undercount (F2) — a real, narrow, documented gap, not a "confirmed unreachable" overclaim). **Tests (final, post-fix-round counts):** `ChargenPalSetMathTests` (10 cases, the shade-index formula), `ChargenAppearanceFactoryTests` (24 hand-built-fixture cases — the original 19 plus F1's 2 INVALID_DID-sentinel cases, F8's 1 abort-on-PalSet-miss case, F10's 2 packed-byte-conversion cases — covering setup resolution, retail append order, bald-strip selection, unconditional skin, missing-dat diagnostics, out-of-range indices), `ChargenAppearanceCatalogInstalledDatTests` (2 methods: the original installed-DAT sweep — all 26 heritage/gender combinations, zero missing PalSet/ClothingTable ids, PLUS F7's pinned TS-84 assertions — and F1's new 869-selection hair-style Setup-resolution sweep — PASSED live against the installed EoR dat), `ChargenPreviewCameraTests` (17 cases, every per-heritage literal + the two recovered constants), `ChargenPreviewEntityBuilderTests` (3 cases, installed-DAT-gated, proves a real Aluvian-male 34-part mesh + Olthoi's distinct pose DID both resolve without touching a live entity, now exercising the F4 `datLock` parameter).
-
-**Review fix round (F1-F12, same session):** F1 (BLOCKING) — `hairStyle.AlternateSetup != 0` / `setupId == 0` tested the wrong sentinel; retail's Setup "unset" is `INVALID_DID` (0xFFFFFFFF — `CharGenState::GetSetupID @0x005C5B22`), not 0, so an `AlternateSetup` field storing that value would have been ADOPTED as a literal Setup id, nulling `Get` and killing the whole preview. Fixed at both sites (`ChargenAppearanceFactory.cs`, new `InvalidDid` constant); two new hand-built tests plus a new installed-DAT sweep (`EveryHairStyleOfEveryHeritageGender_ComposesToARealInstalledSetupId`, 869 selections across all 26 heritage/gender combinations, zero unresolved). F2 (BLOCKING) — TS-84's register row, `ChargenClothingTable.cs`'s doc comment, and this ledger row all understated Undead's measured gap as "headgear/trousers/footwear" (3 slots) with a self-contradicting "4 of 4 non-shirt slots" aside; corrected everywhere to the true measured ALL FOUR slots (headgear, trousers, shirt, footwear). F3 (BLOCKING) — the "three independent sources" palette-math claim overcounted; corrected to the two that actually hold (decomp control flow + ACE's cited port) in `ChargenPalSetMath.cs`'s doc and this row (see above). F4 (MEDIUM, landed despite no CC6a call site yet) — `ChargenPreviewEntityBuilder.TryBuild` did unlocked dat reads; `DatCollection` is not thread-safe and every sibling dat-touching resolver in this layer takes a shared `object datLock`. Added a required `datLock` parameter; every dat read (Setup fetch, held-pose resolution, per-part GfxObj checks, surface-override resolution) now happens inside one `lock`, mirroring `RetailPaperdollPoseApplicator.Apply`'s "resolve under lock, process after" shape. F5 (LOW) — `Streaming.LandblockBuildFactoryTests.Build_UsesTheSuppliedSharedReaderGate` is a PRE-EXISTING timing flake unrelated to any chargen code (passes 15/15 in isolation per the reviewer); noted here so a future session doesn't chase it as a CC6a regression. F6 (LOW) — `ChargenPreviewCamera.cs`'s rotation doc cited a nonexistent `RotationDegreesPerSecond` identifier in a dimensionally-wrong expression; corrected to retail's actual per-tick formula (`DoRotation @0x0047CAC7`: `deltaDegrees = ((now - lastRotateTime) / RotationSecondsPerRevolution) * 360`). F7 (LOW-MEDIUM) — the installed-DAT tests' env-gated skip returns green with a console note when no dat dir is configured (confirmed this IS the house pattern — no Content installed-DAT test in the project uses `Assert.Skip`, so it was kept rather than diverging), but the TS-84 measurement was WriteLine-only; now pinned with real assertions (zero gaps for the 9 standard heritages, exactly the 4 measured Undead table ids on both genders — `[0x10000009, 0x100000F9, 0x10000001, 0x10000007]`, same order both genders). F8 (LOW) — the inner PalSet-miss loop recorded-and-continued past a miss; retail's own loop (`ClothingTable::BuildObjDesc` ~0x005A7B24-0x005A7BD3) returns 0 immediately on a miss at ~0x005A7B32, ABORTING every remaining choice in that garment — `continue` changed to `break`, new test proves a second (present) PalSet's choice is correctly NOT applied when it follows a missing one. F9 (LOW) — three dangling `` doc-comment references (the method is `TryCompose`) fixed. F10 (LOW) — the packed `(byte)(range.Offset/8)`/`(byte)(range.NumColors/8)` narrowing on dat-sourced data was unchecked (a real `NumColors` of 2048 wraps 256→0 as an unchecked byte cast, which HAPPENS to match retail's own "0 means whole palette" sentinel); replaced with explicit `PackOffset`/`PackNumColors` helpers that document the 2048→0 equivalence deliberately and throw `ArgumentOutOfRangeException` on any other unrepresentable shape, with two new tests (the sentinel case, the throwing case). F11/F12 (LOW, CC6b scope, no code this round) — noted in the CC6b row below: the second `m_alternateSetupID` override source (the appearance-page option checkbox — Penumbraen crown `@0x004DFB3F`, Undead no-flame `@0x004E0C54`, precedence at `@0x004EEA51`) is unmodelled; a shared `RetailHeldPose` helper is worth extracting before a fourth held-pose consumer exists (paperdoll, appraisal's live-target case is different, chargen — a third, not yet fourth). **F11 CONCEDED MIS-SCOPED at the CC6b-PRE review fix round (2026-08-15):** the two cited write sites are `gmBarberUI`'s, not `gmCGAppearancePage`'s — see the CC6b-PRE row's own corrected item 4 for the citation table (enclosing-function scan) and the resulting directive that CC6b-mount must NOT build an option checkbox here. **Test counts after the fix round (measured, not projected):** Core.Tests 4772/1 skip (+5 from F1's two hand-built tests, F8's one, F10's two), Content.Tests 147/0 skips (+1 from F1's new installed-DAT sweep — F7 added assertions to the EXISTING installed-DAT test rather than a new one), App.Tests 5121/6 skips (unchanged pass count; F5's named flake did NOT reproduce in this session's full-suite run) — zero failures, full solution Release build green. |
-| CC6b-PRE | PRE-MOUNT HALF CODE-COMPLETE 2026-08-15 (the mount-independent scope only — idle animation, rotation, zoom for the chargen preview; the page-mount half — Appearance page, spin controls, color wheels, viewport wiring — is a SEPARATE follow-up landing after CC4 merges, per the original CC6 split) | `8dfee111` (pre-mount half), plus a same-round review fix commit (F1-F7 + the F11-concession rewrite) | Dual-lens review returned architectural PASS with reservations + retail fidelity PASS with reservations, merge after F1 — landed this round along with F2-F7 and the ALSO item (the reviewer's claim-2 barber refutation was UPHELD; claim-1's idle-by-default CONCLUSION was correct but its "elided ctor byte" argument was unsound, replaced with the real `InitializePage` evidence) | **Idle animation loop, TS-83 RETIRED:** decomp re-read of `gmCGAppearancePage::Update`'s own trailing gate (~0x0047EF01-0x0047EF12: `if (m_bZoomedIn == 0) StartAnimation(); else StopAnimation();`, unconditional on every Update call — heritage/gender change or page becoming visible) plus the DIRECT ASSIGNMENT evidence located at the re-review — `gmCGAppearancePage::InitializePage @0x0047FDD0` writes an explicit `m_bZoomedIn = 0` at `0x004802C3`, right after setting the camera to the zoomed-IN per-heritage eye at `0x00480286-0x0048029E` (the null-tween quirk); the earlier elided-ctor-byte argument was UNSOUND (heap-new members are indeterminate, not zero) and is superseded — settles a fact CC6a's own TS-83 row left as "not yet located precisely": **retail's chargen preview defaults to the idle loop PLAYING, not the frozen rest pose** — the rest pose only appears once the user presses Zoom In, which retail's own `ZoomIn`/`ZoomOut` (`0x0047CF00`/`0x0047D050`) call `gmCG3DView::StopAnimation`/`StartAnimation` for IMMEDIATELY (before the camera's own 0.6s tween even starts). New Core primitive `RetailAnimationCyclePlayback` (`src/AcDream.Core/Physics/`, pure, unit-tested) ports `CPhysicsObj::set_sequence_animation @ 0x0050F6F0`'s effect (advance-with-wrap + lerp/slerp) — the SAME algorithm this codebase's App layer already carries inline for its no-`AnimationSequencer` NPC idle path (`LiveEntityAnimationPresenter.Present`'s legacy branch); the two call sites are NOT consolidated this round (that file is live, heavily-tested, in-flight production entity-rendering code unrelated to this preview-only feature — a deliberate blast-radius call, not an oversight, noted in the new type's own doc comment for a future mechanical pass). New App type `ChargenPreviewAnimator` (`src/AcDream.App/Rendering/`) owns the per-tick idle-frame advance / rest-pose freeze swap; `ChargenPreviewEntityBuilder` gained `TryBuildAnimated` (returns a `ChargenPreviewAnimatedBuild`: the entity, resolved drawable parts, precomputed rest pose, resolved idle Animation + frame range) alongside the ORIGINAL `TryBuild` (kept RESULT-identical, not byte-identical internally — F6: it now also resolves the idle DID and loads the idle Animation before discarding them; a thin wrapper now, all 3 of its existing tests still pass unchanged) — `ResolveIdleAnimEnum` resolves `m_didAnimation`'s enum key (0x10000006 standard, 0x10000011 Olthoi, 0x10000013 OlthoiAcid) alongside the existing `ResolveRestPoseEnum` (0x10000005/0x10000011/0x10000013) — **Olthoi and OlthoiAcid use the SAME enum key for BOTH idle and rest** (retail quirk, decomp-confirmed at ~0x004ee7e9/0x004ee7ff and ~0x004ee892/0x004ee8a8: those two heritages show no visible difference between "playing" and "zoomed in and frozen"). **Rotation controller:** new `ChargenPreviewRotationController` (`src/AcDream.App/Rendering/`) ports `gmCGAppearancePage::Rotate`/`DoRotation` (`0x0047CB50`/`0x0047CA80`) verbatim — toggle-to-stop-same-direction, `deltaDegrees = ((now - lastRotateTime) / RotationSecondsPerRevolution) * 360`, a SINGLE-PASS ±360 clamp (not a full modulo — retail's own tail only corrects once, reproduced as-is rather than "improved"), the `-1.0` sentinel `Rotate()` writes to invalidate `m_dLastRotateTime` (bit-confirmed: high dword `0xbff00000` + zero low dword). `ECG_ROTATE_CLOCKWISE=1`/`ECG_ROTATE_COUNTERCLOCKWISE=2` confirmed from `acclient.h:6848-6852` — CLOCKWISE adds to heading, everything else subtracts. Applies to the ENTITY's heading via `MoveToMath.SetHeading` (the exact existing `CPhysicsObj::set_heading` port, reused rather than reinvented), not the camera — confirming CC6a's own architecture note. **Zoom tween:** new `ChargenPreviewZoomController` ports `ZoomIn`/`ZoomOut`/`DoZoomAnimation` (`0x0047CF00`/`0x0047D050`/`0x0047C960`) — a LINEAR (not eased — the decomp shows a straight `(targ-start)*t+start` per axis with no easing curve anywhere in the function) 0.6s tween between `ChargenPreviewCamera`'s already-recorded default/zoomed-out eye profiles, using the same `-0.1` invalidation-sentinel idiom as rotation; `ZoomIn`/`ZoomOut` call into `ChargenPreviewAnimator.SetZoomedIn` IMMEDIATELY (synchronously, inside the button-press method itself — not gated on the tween's own completion), matching the decomp's call ORDER exactly. **Fix round F2:** the controller and the animator originally kept two INDEPENDENT `IsZoomedIn` bools synced only through a nullable animator argument on `ZoomIn`/`ZoomOut` — a null pass, or a direct `ChargenPreviewAnimator.SetZoomedIn` call bypassing the controller, could desync the camera target from the animation pose. Retail's `m_bZoomedIn` is a SINGLE field gating both, so `ChargenPreviewZoomController` now takes its `ChargenPreviewAnimator` as a required constructor dependency and `IsZoomedIn` reads straight through to the animator's own flag — one owner, matching retail's own shape, with no second bool left to disagree. **`m_alternateSetupID` (MUST-COVER item 1) — RESEARCH CORRECTION, not a straight port:** re-reading the decomp function-by-function (not just address-by-address) found that ALL FIVE `m_alternateSetupID` write sites — including the two the CC6a review fix round cited, Penumbraen crown `@0x004DFB3F` and Undead no-flame `@0x004E0C54` — belong to `gmBarberUI`, not `gmCGAppearancePage`. Enclosing-function table (every write site, confirmed by scanning each site's containing function body for sibling calls that only make sense in one class): `@0x004DFB5B` sits inside `gmBarberUI::ListenToElementMessage` (sibling evidence: `gmBarberUI::SetSelection`/`gmBarberUI::Rotate` calls in the same body, which ends in a `CM_Character::Event_FinishBarber` wire call — a barber-shop-only message); `@0x004E0C54` (Penumbraen crown), `@0x004E0D42`, and `@0x004E0DB1` all sit inside the SAME `gmBarberUI::InitializePage` (sibling evidence: `m_pOption1Checkbox` reads and `UIElement_Text::SetStringInfoWithFont` calls on barber-specific string ids in that body); the ONLY thing `gmCGAppearancePage` itself ever does with the field is READ it generically through the shared `gmCG3DView` ctor/`::Update` (every `gmCG3DView` owner does this) — `gmCGAppearancePage`'s own field list (`acclient.h:56373-56428`, checked exhaustively) has NO `m_pOption1Checkbox`-equivalent member and none of its own methods write `m_alternateSetupID`. `gmBarberUI` is the POST-CREATION barber-shop appearance-editing screen — a wholly separate UI class from character creation's `gmCGAppearancePage`. **For character creation, `m_alternateSetupID` is therefore ALWAYS `INVALID_DID` in retail — the barber shop's crown/flame variant checkbox is not reachable during chargen at all**, and is out of this campaign's scope entirely. **Directive for CC6b-mount: do NOT build an option checkbox for Penumbraen-crown/Undead-no-flame variants on the Appearance page — retail has no such control there.** `ChargenAppearanceFactory.TryCompose` still gained a real, decomp-cited `alternateSetupIdOverride` parameter (default `InvalidDid`, i.e. no-op for every existing caller) implementing `gmCG3DView::Update`'s own generic precedence exactly (`~0x004EEA46-0x004EEA53`: the override, when present, REPLACES the hairstyle/gender-resolved setup outright, not additively) — a real mechanism reserved for a hypothetical future non-chargen (barber-shop) consumer of this same factory, not a fabricated chargen feature; 5 new hand-built tests prove the precedence chain and the `INVALID_DID` sentinel discipline. **RetailHeldPose extraction (MUST-COVER item 2) — DONE, clean mechanical extraction:** new `src/AcDream.App/Rendering/RetailHeldPose.cs` shares `ResolvePoseDid` (master-map-slot-7 DID lookup) and `ComposePartTransform` (`Scale*Rotate*Translate`) between `RetailPaperdollPoseApplicator.Apply` (paperdoll, refactored to call the shared helper, behavior byte-identical) and `ChargenPreviewEntityBuilder` (both the pre-existing rest-pose path and the new idle-frame path) — the two sites' surrounding per-index LOOP shapes stayed separate (paperdoll walks an already-filtered `WorldEntity.MeshRefs`; chargen walks the pre-filter Setup-part-indexed scratch list), matching the MUST-COVER's own "only if it stays clean" bar. **Bookkeeping:** TS-83 retired in `docs/architecture/retail-divergence-register.md` (§4 count 50→49, row removed, RETIRED clause added to the header narrative); the CC6a ledger row above now cites its real commit SHAs (`55bfd9ca`, `1774d8b2`) instead of "HEAD of `campaign-cc6a`". **Tests:** `RetailAnimationCyclePlaybackTests` (10, Core), `ChargenAppearanceFactoryTests` (+4, the override precedence/sentinel), `ChargenPreviewRotationControllerTests` (10, +1 this fix round — F7's clockwise-past-360 clamp case), `ChargenPreviewZoomControllerTests` (9, +2 this fix round — F2's null-ctor-throws and read-through-no-independent-state cases; every pre-existing case rewritten for the now-required-animator constructor), `ChargenPreviewAnimatorTests` (7, hand-built fixtures — no dat needed since a `ChargenPreviewAnimatedBuild` is constructible entirely in memory), `ChargenPreviewEntityBuilderTests` (+5, installed-DAT-gated — `TryBuildAnimated` resolves a real idle cycle for Aluvian AND Olthoi, the unknown-setup null path, both Olthoi/OlthoiAcid shared enum keys resolve to a real installed DID). Counts: Core.Tests 4786/1 skip (unchanged this fix round — F1-F7 were doc/API-shape/allocation fixes, no new Core tests), Content.Tests 147/0 skips (unchanged), App.Tests 5152/6 skips (+3 from 5149/6, the F2/F7 additions) — zero failures, full solution Release build green. Two PRE-EXISTING flakes noted across repeated full-solution runs, neither caused by this round and neither reproducing in isolation: `AcDream.Core.Net.Tests.Transport.NakEmissionTests.LossSoak_TwoPercentBidirectional_ZeroMessageLoss_LedgersConverge` (randomized-loss-injection timing, zero files under `src/AcDream.Core.Net/` touched) and `AcDream.Content.Tests.DecodedTextureCacheTests.GetOrCreate_ConcurrentMissRunsFactoryOnce` (a concurrency race under full-solution parallel load, zero files under `src/AcDream.Content/` touched this round either) — both pass 100% run standalone; both projects' full suites otherwise pass clean. **OWED (CC6b page-mount half, separate follow-up):** the Appearance/Summary viewport mount (`0x100003bb`/`0x10000406`), binding the Zoom In/Out and Rotate Clockwise/Counter-Clockwise buttons to `ChargenPreviewZoomController.ZoomIn`/`ZoomOut` (now parameterless — F2 made the animator a required constructor dependency, not a per-call argument) and `ChargenPreviewRotationController.Toggle`/`Tick`, spin controls, color wheels, and the INITIAL HEADING: `gmCGAppearancePage::InitializePage @0x0047FDD0` sets `m_fCurHeading = 180f` at `0x00480235` and pushes it via `SetPlayerHeading` at `0x0048023F` (overriding the ctor’s 0°; cross-confirmed at `gmBarberUI::PostInit @0x004DE330` and the summary page’s `0x0047BD54`) — the mount half must seed `ChargenPreviewRotationController.HeadingDegrees = 180f` or the character faces AWAY from the camera at the user gate. **Explicitly NOT owed:** an option checkbox for Penumbraen-crown/Undead-no-flame variants — see item 4's enclosing-function table above; `gmCGAppearancePage` never had one, so CC6b-mount must not invent one. |
-| CC7 | REVIEW-CLOSED 2026-08-16 | `9cf6c522`, `ddcbf1fb`, F1-F9 review-fix round `2176ba76` | CLOSED (dual-lens: both lenses PASS-with-items → F1-F9 fix round this commit; lead diff-check close per the doc/test-only residual pattern) | **Create button un-ghosts** (`CharacterManagementUiController.cs`): retail's exact enable/ghost gate — `gmCharacterManagementUI::UpdateButtons @ 0x004ec240` (~0x004ec319-0x004ec32e, `_charSet.set_.m_num < _charSet.numAllowedCharacters_`, unconditional on selection, unlike Enter/Delete/Restore above it) — is now a real Runtime-owned field, `RuntimeCharacterSelectionButtons.CanCreate`, computed in `RuntimeCharacterSelectionState.BuildButtons` from `_entries.Length < _slotCount` and threaded through every one of that method's return branches (including the delete-in-flight `.None`-shaped ones, which retail's own gate does not couple to). The button's `OnClick` (new `RequestCreate` private method) is wired ONCE in the constructor and calls `_bindings.RequestCreate?.Invoke()`; a new optional `Action? RequestCreate` field on `CharacterSelectionRuntimeBindings` carries the seam. **Cross-controller wiring lives inside `RetailUiRuntime.ConfigureCharacterManagement`** (`src/AcDream.App/UI/RetailUiRuntime.cs`) rather than in the externally-composed bindings record: `RetailUiRuntime` is the one object holding BOTH `CharacterManagementController` and `CharacterCreationController`, so it supplies `bindings with { RequestCreate = () => CharacterCreationController?.Open() }` — a lazily-resolved lambda closing over `this`, safe even though `ConfigureCharacterCreation()` (which populates the creation controller) runs immediately AFTER, not before, `ConfigureCharacterManagement()` in `RetailUiRuntime`'s own mount sequence. `CharacterCreationUiController.Open()` is the SAME entry point the CC4-era `ACDREAM_OPEN_CHARGEN=1` dev seam already called — one code path, two ways to reach it (the seam itself is untouched and remains available for a create-only dev loop). **The chargen-exit return path needed no new code**: character-management is never hidden while chargen is open on top of it (both controllers tick independently, per CC4's own FixedCanvas-arbiter work), so chargen's `Close()` — hiding only its own root — is sufficient; this was PROVEN, not just claimed, by a new cross-controller test (`CharacterScreensFixedCanvasArbiterTests.CreateButtonClick_OpensChargen_AndExitConfirmReturnsToManagement`) that drives the full click→open→exit-confirm→close round trip, asserting management's root stays `Visible` throughout. **Corrected at the CC7 review-fix round, F7 (2026-08-16): the original fixture-ordering claim above was WRONG.** The shared fixture originally constructed chargen FIRST so its `Open` method existed to wire into management's `RequestCreate` binding — the OPPOSITE of production's real tick order (`RetailUiRuntime.Tick`: `_characterManagementMount?.Tick(); CharacterManagementController?.Tick(); _characterCreationMount?.Tick(); CharacterCreationController?.Tick();` — management always ticks first). The fixture now constructs management first, handing it a lazily-resolved closure over chargen's not-yet-existing `Controller.Open` — the SAME trick production's own `RetailUiRuntime.ConfigureCharacterManagement` uses (`bindings with { RequestCreate = () => CharacterCreationController?.Open() }`) — matching production's real construction AND tick order instead of contradicting it. The test also now asserts `Chargen.Controller.Root.ClickThrough == false` and a strictly higher `ZOrder` than management's root once both controllers have ticked with chargen open, pinning the `BringToFront` occlusion effect the reviewer had previously verified only by manual inspection. A second new test (`CharacterManagementUiControllerTests.CreateButton_GhostsWhenRosterReachesTheSlotCeiling_AndUnGhostsBelowIt`) proves the retail gate itself: a 5-character roster against the fixture's `SlotCount=5` ghosts Create, dropping to 4 characters un-ghosts it on the next Tick. **Full-flow tests vs ACE shapes** (`tests/AcDream.Runtime.Tests/Session/LiveSessionControllerCharacterCreationTests.cs`, extending CC3's existing harness rather than duplicating it — same `TestTransport`/`TestOperations`/`TestHost`/`BuildResponsePacket`/`InvokeProcessDatagram` fixtures, zero new helper classes beyond a decode record): `Finish_SendsEveryWireFieldByteExactAgainstACEsUnpackShape` builds a character touching EVERY 0xF656 field (heritage/gender/all fourteen appearance style-color slots/all six shades/template/an EXPLICIT `TrainSkill` beyond what the template alone applies/an explicit `SelectStartArea`/name), decodes the full body via a new `DecodeCreateRequestFull` (reusing `CharacterCreate.Request`/`Appearance`/`Attributes` directly rather than a second hand-rolled shape) and asserts every field including the trailing checksum. **Corrected at the CC7 review-fix round, F6 (2026-08-16): the checksum half of that claim overstated what the assertion proves.** `Assert.Equal(CharacterCreate.ComputeChecksum(r), decoded.Checksum)` (`LiveSessionControllerCharacterCreationTests.cs:537`) is a round-trip/purity check — it computes the SAME production `CharacterCreate.ComputeChecksum` on both the encode and the decode side, not an independent golden value. It still closes the one gap (`Finish_SendsExactly55SkillSlotsAndTheCorrectAttributesAndName`'s pre-existing test never touched: ~15 non-checksum fields were previously unverified); the checksum's actual golden value lives separately at `CharacterCreateTests.ComputeChecksum_ExactRetailAccumulationSet` (the 19-term sum, golden `205u`), now cross-referenced from this test's own doc comment. `Finish_ThenEachOtherRejectionCode_ProducesTheMappedFailureWithNoRosterOrEnterSideEffect` (`[Theory]`, 6 cases: Pending/NameBanned/Corrupt/DatabaseDown/AdminPrivilegeDenied/Undef — NameInUse excluded, already covered by the pre-existing dedicated Fact) proves CC5's F2 fix (Pending/Undef produce a real rejection, not a silent reset) holds over the REAL wire byte-decode path, not just the isolated `RuntimeCharacterCreationStateTests.ApplyCreationResponse_EachRejectionCode_...` state-machine Theory that already covered all 7 codes at the `ApplyCreationResponse` level directly. **Launcher payload cycle** (item 3): `TestHost` gained an optional `SessionStatusWriter? Writer` + `SessionId`, forwarded from `ApplyCharacterCreated`/`ApplyCreationFailed` EXACTLY the way `LiveSessionRuntimeFactory.Create` (App) and `HeadlessSessionHost` wire it in production (verified by reading both call sites, not assumed) — two new tests (`Finish_ThenOkResponse_WritesCharacterCreatedEvent_ParsedByTheRealLauncherTailer`, its NameInUse sibling) drive a REAL Runtime create/reject through a REAL `SessionStatusWriter` writing to a real temp file, then read it back with the REAL Launcher.Core `StatusFileTailer`/`StatusEventParser` (added as a test-only `AcDream.Runtime.Tests` project reference — `AcDream.Runtime` itself gained no new dependency), asserting the parsed `CharacterCreatedStatusEvent`/`CreationFailedStatusEvent` match §LA1's pinned contract fields exactly. **No gap was found**: `GameWindow`'s constructor already builds a real, non-disabled `SessionStatusWriter(options.StatusFilePath)` and `SessionPlayerComposition.cs` already threads it into `LiveSessionRuntimeFactory`'s constructor alongside the session id — the writer was ALREADY correctly wired on the graphical App host's real create path before this slice; CC7's tests close the missing cross-project VERIFICATION (Runtime's own state transition through the writer's bytes to the tailer's parser), not a functional hole. **Pre-existing test breakage found and fixed** (loudly, per the task's own instruction): adding `CanCreate` to the `RuntimeCharacterSelectionButtons` record broke 4 UNRELATED tests in `LiveSessionControllerTests.cs` (`RestoreCompletionDuringConfirmedDelete_PreservesDeleteUntilAck` ×2, `RestoreTimeoutDuringConfirmedDelete_PreservesDeleteUntilAck` ×2) whose hand-built expected values used `RuntimeCharacterSelectionButtons.None` — a real regression the App-layer and Runtime.Tests standalone runs would not have caught in isolation (each project's own suite is green independently; only the combined change surfaced it). Fixed by threading `with { CanCreate = true }` into all 5 affected `Assert.Equal` expectations (that fixture's roster of 2 sits below its `SlotCount` of 11 throughout), with an inline comment explaining CanCreate's independence from the delete-in-flight buttons those tests actually pin. **Register bookkeeping this commit:** AP-211 (filed at CC3, explicitly predicted "if CC4 later adds the ghosted Create button... revisit whether to keep both or retire this one") updated, not retired — both `TryBeginFinish`'s `RosterFull` local refusal AND the new Create-button gate are intentionally kept as retail-matching enforcement (the button) plus defense-in-depth (Finish's own refusal, for any caller that bypasses the UI). **Connected checklist doc** (`docs/research/2026-08-16-campaign-cc-test-script.md`, following the FA/OP pattern): §CC1 reaching the screen (both the launcher's `GUI — character select` flow and the `ACDREAM_RETAIL_UI=1`/`ACDREAM_OPEN_CHARGEN=1` dev shortcut) plus Create's enable state and the Exit/Back return path; §CC2 the six-page flow per page (the AP-214-retired opening roll + its gender-flip quirk, Random on each page, the nine known Appearance-page cosmetic gaps called out by number so they aren't mis-filed as new bugs); §CC3 every Finish outcome (happy path, NameInUse + the AD-100 double-send log note, the credit-warning confirm flow, the randomize-warning flow, the exit-warning flow, NameTooLong); §CC4 the two ACE-side landmines (the Arcane Lore over-deduction, MEASURED latent per the plan's risk item 8; disabled-Olthoi → Pending → NameDBDown, retail-correct); §CC-Not-Automated stating plainly that no automated create has touched a live ACE server — this gate is the first one. **Test deltas (Release):** Runtime 1735/0 (was 1726/0, +9: the full-field decode test, the 6-case rejection-code Theory, 2 launcher-payload tests), App 5256/3 skips (was 5254/3, +2: the Create-ghosting test, the cross-controller round-trip test), Headless 166/0 (unchanged), Launcher.Core 324/0, Launcher.Tests 67/0 (one earlier standalone run hit a Fail:1 Avalonia headless-platform-initialization failure that reproduced on no other run including a full-solution pass — a pre-existing environment flake, zero files under `src/AcDream.Launcher`/`tests/AcDream.Launcher.Tests` touched this slice), full solution 14,426 passed / 4 skipped / 0 failed in one complete pass across every project (Core.Net's NakEmission flake and Content's DecodedTextureCache flake did not reproduce this run either). **Review fix round (this commit, F1-F9), CC7 REVIEW-CLOSED:** F1 files AP-229 for the screen-layering divergence the reviewer flagged (retail's `UIFlow::UseNewMode` destroys/reconstructs the current UI framework on every mode switch; acdream keeps both `CharacterManagementUiController`/`CharacterCreationUiController` mounted for the whole lifetime and only reveals/occludes), records what the reviewer confirmed already works (selection/world-name persistence, click-through isolation, one coherent `Modal` stack), and the narrow residual risk it left open (the shared `RetailDialogFactory` can hand `UiRoot.Modal` to a dialog opened by the still-ticking, occluded management screen's `ReconcileDialogs` on an inbound `CharacterError` — a race retail cannot have since the occluded screen simply does not exist there). F2 rewrites the connected-gate script's roster-full step with the exact `@modifylong max_chars_per_account` recipe (ACE default 11, confirmed against `references/ACE/Source/ACE.Server/Command/Handlers/AdminCommands.cs:4393`) and the pending-delete-counts-too note. F3 adds AP-221's exact console-diagnostic lines to §CC2's known-gaps paragraph so a session-permanent dead preview reads as a known gap, not a fresh bug. F4 adds an empty-name/AP-227 step to §CC3 so the tester expects acdream's `NoNameWarning` dialog instead of retail's silent keep-old-name behavior. F5 adds an App-layer source-text pin (`GameWindowLiveSessionOwnershipTests.LiveSessionRuntimeFactoryBindsCharacterCreatedAndCreationFailedToTheStatusWriter`) for the `CharacterCreated`/`CreationFailed` delegate wiring inside `LiveSessionRuntimeFactory.cs:229-236` the reviewer proved was deletable without breaking any test — no practical seam exists to construct the factory end-to-end without a `GameWindow` (confirmed: its one production construction site is deep inside `SessionPlayerComposition.cs`, and no test in the repo constructs it directly), so the pin follows this same test file's own established source-text pattern (`ProductionWindowConstructsOnlyTheCanonicalRuntimeRoot`, `DisplacedLifecycleBodiesAreAbsent`) rather than a contrived full construction; the exact payload SHAPE these delegates produce was already pinned separately at `SessionStatusWriterTests.CharacterCreatedAndCreationFailed_WriteThePinnedShape`, so the new test plus that existing one together cover "bound" and "correct payload." F6/F7 correct this row's own wording above (checksum-assertion circularity; fixture construction order) and strengthen `CharacterScreensFixedCanvasArbiterTests` per F7's fix. F8 records a known flake found under full-solution parallel load on both reviewer runs (passes standalone, unrelated to CC7 — an allocation assertion sensitive to concurrent load): `AcDream.Runtime.Tests.Physics.RuntimeCollisionReportingStateTests.WarmedSteadyContactRefreshDoesNotAllocate`, joining the existing Core.Net NakEmission / Content DecodedTextureCache / App SocialPanelLiveMountProbeTests known-flake set. F9 adds a one-line note to §CC2's Heritage-page Random step that a uniform pick over 13 heritages can repeat the current one. **Campaign status: all seven slices (CC1-CC7) are REVIEW-CLOSED; the campaign is CODE-COMPLETE pending the user's own connected gate** (`docs/research/2026-08-16-campaign-cc-test-script.md`) — no automated live character creation has touched ACE yet; that gate remains the sole outstanding acceptance step. |
-| CC6b-MOUNT | CODE-COMPLETE 2026-08-15 (the page-mount half CC6b-PRE deferred — Appearance page, spin controls, color-wheel family, viewport wiring — landing after CC4 merged, closing out Campaign CC's CC6 slice); REVIEW-CLOSED 2026-08-15 (dual-lens re-review of the F1-F13 fix round returned NOT CLOSED with residuals R1-R3 + 2 nits, all fixed this round, re-reviewer pre-authorized a diff-check-only close) | `34c6fceab0bc300ab638339b88c5e5f98ae4d724`, `d2a71152`, (this commit — the R1-R3+nits closeout) | CLOSED (dual-lens: architectural PASS-with-items, retail-fidelity FAIL → F1-F13 fix round `d2a71152` → narrow re-review: F1-F13 verified against the decomp, residuals R1-R3 + 2 nits → this commit; re-reviewer pre-authorized diff-check-only close) | **Appearance page** (`CharacterCreationAppearancePage`, `src/AcDream.App/UI/Layout/`, wired into `CharacterCreationUiController` beside the four sibling pages): gender buttons (`0x100003a7`/`a8` -> `SelectGender(2)`/`SelectGender(1)`, decomp `ListenToElementMessage` cases `0x9d`/`0x9e`); Face/Clothes sub-tabs (`0x100003a9`/`aa`, cases `0x9f`/`0xa0`) toggling the `0x100003ae`/`b4` choice containers and defaulting the "current part" to Hair/Headgear respectively; nine spin controls (hair/eyes/nose/mouth/skin `0x100003af-b3`, headgear/shirt/trousers/footwear `0x100003b5-b8`) reproducing retail's two-arrow-plus-body-click composite through `UiButton.OnClickAt`'s local x coordinate — decrement zone x=[80,127), increment zone x=[127,174), else selects the part with no index change (cases `0xa5-0xa9` and their headgear/shirt/trousers/footwear mirrors) — since `DatWidgetFactory` consumes each spin's two locally-reused arrow children (`0x1000030a`/`0x1000030b`) into ONE flat `UiButton` with no separate addressable arrow widget; nine color swatches (`0x1000030f-0x10000317` -> `SetColor(0..8)`, gated on the current part's own color-list length exactly like retail's `iNumColors > N` check); the shade scrollbar (`0x10000321`) bound via `ScalarChanged`; zoom/rotate buttons delegating to a late-bound `IChargenPreviewControl` seam. **Per-part routing table** (`StyleSlotFor`/`ColorSlotFor`/`ShadeSlotFor`), decomp-derived from `SetColor @0x0047DD50` and `SetShade @0x0047C860`: Hair has its own color AND shade; Eyes has color but NO shade (retail's `SetShade` switch has no case 1 — independently confirmed against CC6a's own "eye color has no shade indirection" finding); Nose/Mouth/Skin have NO color and ALL route their shade to SKIN shade (cases 2/3/4 share one decompiled body — a genuine retail quirk, not a porting shortcut); Headgear/Shirt/Trousers/Footwear each have their own color and shade. **Wrap semantics** (`CharacterCreationAppearancePage.CycleIndex`, internal static, unit-tested via 10 `[Theory]` cases): plain `[0,count)` modulo wrap for every style spin except Headgear; Headgear alone gets the decomp-derived `(count+1)`-position RING including the `Unset` ("no headgear") position — `CharGenState::SetHeadgearStyle`'s literal signed-int32 comparison shape (`0x0047F4B5`-`0x0047F530` decrement, `0x0047F7D8` increment): decrementing FROM style 0 lands on Unset, incrementing FROM Unset lands on style 0, decrementing FROM Unset wraps to the LAST style, incrementing past the last style lands on Unset — a real closed ring of `count+1` positions, not a plain wrap. **Review fix round F1 correction (2026-08-15):** every OTHER style spin ALSO has a decomp-observable Unset-cycling case, in the SAME switch the headgear ring was ported from — the shared decrement tail (`label_47f065`/`label_47f6d9`, reached from Hair's own decrement case `@0x0047f465-0x0047f486` and inlined per-part for Eyes/Nose/Mouth/Shirt/Trousers/Footwear) computes `new = cur - 1` on the raw signed int32 (Unset = -1), giving `new = -2`, which wraps to `count - 1` — the SAME "wrap to the last index" shape headgear's own ring uses. Incrementing from Unset (`new = -1 + 1 = 0`) was already correct in acdream. The original claim here ("no decomp-observable Unset-cycling case... starts at style 0 for BOTH directions") is WRONG for decrement; fixed in `CharacterCreationAppearancePage.CycleIndex` and its own corrected doc comment. **Heritage 6/0xc/0xd gate** (`gmCGAppearancePage::Update @~0x0047EB46-0x0047EE95`): Gearknight/Olthoi/OlthoiAcid hide the Clothes sub-tab (making all four clothing spins unreachable, matching the OWED item's "four clothing spins hidden" framing through retail's OWN mechanism — hiding the tab, not each spin individually) plus the Nose/Mouth spins directly, and disable the Eyes spin's arrows (`_eyesArrowsDisabled`, since Olthoi/Gearknight forms have fixed eyes); **review fix round F3 correction (2026-08-15):** forces `SetChoice(FACE)`/`SetSelection(HAIR)` UNCONDITIONALLY whenever the gate engages (`@0x0047eac6/0x0047eacf` Gearknight, `@0x0047ee32/0x0047ee3b` Olthoi/OlthoiAcid) — NOT only when Clothes happened to be showing, the original (wrong) framing here. A conditional gate left Nose/Mouth as the current part when the Face tab was already active, stranding the shade control on a now-hidden part; retail always snaps back to Hair. **Preview wiring** (`ChargenPreviewController`, `src/AcDream.App/Rendering/`, new): bridges a real architectural gap the CC6a/CC6b-PRE foundation left open — `ChargenPreviewRenderer` only ever built its OWN private `ChargenPreviewCamera` with no injection seam, but `ChargenPreviewZoomController` needs a SETTABLE camera to tween. Fixed at the root: `ChargenPreviewViewportCamera` gained a `ChargenPreviewCamera`-accepting constructor overload, `ChargenPreviewRenderer` gained an optional `camera` parameter using it, and `ChargenPreviewController` owns the ONE shared `ChargenPreviewCamera` instance handed to both. `ChargenPreviewController` consolidates the per-frame `IPrivateEntityViewportFrame` owner role (mirrors `PaperdollFramePresenter`, self-timing via `Stopwatch` rather than touching the shared frame-phase interface) with the `IChargenPreviewControl` seam the page's buttons bind against (constructed before the graphics backend exists, so the page cannot receive the real renderer at construction time — assigned late by `LivePresentationComposition`, exactly mirroring the paperdoll's own late `viewport.Renderer = ...` assignment). `Rebuild` recomposes via `ChargenAppearanceFactory.TryCompose` + `ChargenPreviewEntityBuilder.TryBuildAnimated` on ANY heritage/gender/appearance-selection change (no-op if identical to the last composed selection) but only SNAPS the camera to the heritage's default eye on a HERITAGE OR GENDER change (decomp-cited: `gmCGAppearancePage::Update`'s only two confirmed direct call sites are `InitializePage` and the two gender-button handlers; spin/color/shade changes call the narrower `SetSelection`/`SetColor`/`SetShade`, none of which touch `m_vectCurPosition`) — a fresh `ChargenPreviewAnimator` is unavoidable on every rebuild (it owns the resolved drawable-part list, which changes with the mesh) but is immediately restored to the PREVIOUS zoom state via `SetZoomedIn`, and the CURRENT accumulated rotation heading (not the retail default) is threaded into the rebuild, matching retail's `m_bZoomedIn`/`m_fCurHeading` both living on the PAGE and surviving `Update`. Mounted as the THIRD private creature viewport beside paperdoll/creature-appraisal: `RetailUiRuntime` gained `ChargenPreviewViewportWidget`/`ChargenPreviewControl`/`IsChargenPreviewPageVisible` (computed through `CharacterCreationUiController`'s new `AppearanceViewport`/`AppearancePreviewControl`/`IsAppearancePageVisible`, the last one gating on BOTH the page root's own Visible AND the whole screen's `Root.Visible` since `Close()` only ever hides the latter); `LivePresentationComposition` constructs the renderer+catalog+controller and wires `viewport.Renderer`/`page.PreviewControl` through the same lease/`AdoptRelease` pattern paperdoll uses; `FrameRootComposition`'s `PrivateEntityViewportFrameGroup` gained the controller as its third member; `GameWindow`/`GameWindowLifetime` gained the matching guard fields and `RenderShutdownRoots` disposal entries. **Testability seam:** `IChargenPreviewRenderer`/`IChargenPreviewFrameView` (mirroring `IPaperdollDollRenderer`/`IPaperdollFrameView`) let `ChargenPreviewControllerTests` (6 cases, installed-DAT-gated, fake renderer/view — no live GPU) exercise the REAL `ChargenAppearanceFactory`/`ChargenPreviewEntityBuilder` composition path against the installed EoR dat: same-selection no-op, heritage-change camera reset, appearance-only-change camera preservation, zoom-state preservation across an appearance rebuild, the 180° heading actually reaching the built entity's `Rotation` after `Render()`, and the invisible-page render skip. **Color-wheel scouting (campaign plan risk item 4, RESOLVED via live-DAT probe against the installed EoR dat — `CharacterCreationLiveDatTests.AppearancePage_HasGenderChoiceSpinsSwatchesShadeAndViewport`/`AppearancePage_SpinArrowGeometryIsUniformAcrossAllNineSpins`):** NO new `DatWidgetFactory` widget type was needed anywhere on this page. The nine swatch buttons author Type 1 -> `UiButton`; their nine Type-3 companion "selected"-ring overlays (`0x10000318-0x10000320`) and the GradCircle (`0x1000030e`) author Type 3 -> the generic `UiDatElement` fallback; the shade scrollbar (`0x10000321`) authors Type 0xB -> `UiScrollbar`, matching the decomp's own `DynamicCast(0xb)`. The nine spin containers and their two locally-reused arrow children all author Type 1 -> `UiButton`. Two narrow, DECIDED visual substitutions from this finding are filed as AP-215: swatches use their own `.Selected` highlight instead of toggling the separate companion overlay (retail's `SetColor`'s `m_tColorWheel[...]->SetVisible` mechanism), and the four icon-only style spins (hair/eyes/nose/mouth — CC1's `ChargenHairStyle`/`ChargenEyeStrip`/`ChargenFaceStrip` carry only an `IconId`, no name) show a 1-based ordinal instead of retail's icon thumbnail; the four clothing spins DO show their real `ChargenGearOption.Name`. **The `@140355` gender-flip-on-init oddity (campaign plan risk item 5, RESOLVED via decomp alone — no live cdb needed):** `gmCGAppearancePage::InitializePage`'s own gender-read-then-FLIP-to-the-opposite code (`~0x004802DA-0x00480303`) is real and ALWAYS fires, because `gmCharGenMainUI`'s own constructor (`~0x004e81f5-0x004e8218`, BEFORE any page constructs) calls `CharGenState::RandomizeCharacter(state, hasToD) @0x005c6d80` — retail's chargen screen is NEVER actually blank on open; it always starts with a fully random heritage/gender/appearance/clothing/template/start-area already rolled, which the Appearance page's own init code then immediately flips to the opposite gender. Filed as AP-214, the same unported-primitive gap AP-212 already tracks for the Random button (`RandomizeHeritageGroup`/`RandomizeAppearance`/`RandomizeClothing`/`RandomizeTemplate`/`RandomizeStartArea` are the SAME six primitives `RandomizeCharacter` calls) — acdream's chargen screen opens honestly blank instead, by design, this round. **AD-101 RETIRED** (register §2, 79->78 active rows): `CharacterCreationHeritagePage.Select` no longer auto-selects a gender after a heritage click — the Appearance page's real gender buttons are now the only gender-selection path, matching the review fix round's own retirement-sequencing correction (must land no later than CC5's Finish un-ghosting, which it does — CC5 has not yet un-ghosted Finish). Retail's own default is verified NOT blank (AP-214, above) but acdream's honest-blank choice is deliberate, not an oversight. Updated `CharacterCreationUiControllerTests`'s shared fixture (`FakeRuntime`/`BuildOptions`) with real non-empty Hair/Eyes/Nose/Mouth/Headgear/Shirt/Trousers/Footwear/ClothingColors lists (previously all empty placeholders — no existing test depended on the empty state) and a real `BuildAppearancePage()` layout fixture (uniform spin geometry matching the live-DAT-measured 80/127/174 zone boundaries) so the new dispatch tests exercise the SAME `OnClickAt` zone math production code uses; the one pre-existing gender-side-effect assertion (`HeritageButton_SelectsHeritage_AndAutoSelectsFirstGender`) is renamed/corrected to assert NO gender side effect. **TS-82 NARROWED** (register §4): closed out for the Appearance page specifically (now real, not content-inert) — the row now covers Summary only, CC5's remaining scope. **Register bookkeeping this commit:** AD-101 retired (row deleted, count 79->78); AP-214 filed (the `RandomizeCharacter`-at-ctor / gender-flip finding, count 149->150); AP-215 filed (the two Appearance-page visual substitutions, count 150->151); TS-82 narrowed (Summary-only, count unchanged). **Scope-addendum work (folded into this same commit, not a separate round):** `ChargenPreviewRotationController.HeadingDegrees`'s doc comment corrected to name BOTH the ctor's `0f` (`gmCGAppearancePage::gmCGAppearancePage @0x0047CDAC`) and `InitializePage`'s override to `180f` (`@0x0047FDD0`, write at `0x00480235`, pushed via `SetPlayerHeading` at `0x0048023F`) as retail's OPERATIVE starting heading; DECIDED to change the controller's own parameterless-constructor default from `0f` to a new `RetailDefaultHeadingDegrees = 180f` constant (option (b) of the two offered) rather than requiring every future mount site to remember a separate "seed to 180" call at construction — every real `gmCG3DView` owner (Appearance, Summary `@0x0047BD54` — confirmed a SEPARATE `gmCG3DView` instance/page, CC5's own scope, not touched here — and `gmBarberUI`) converges on 180° before its first visible frame, so a controller whose default silently faces the character away from the camera is exactly the trap the addendum warned about; existing pure-math tests updated to pass `0f` explicitly (keeps their relative-delta assertions simple and unchanged in meaning) plus one new test pinning the parameterless-constructor 180° default at the seam a real consumer experiences, and a second, end-to-end confirmation inside `ChargenPreviewControllerTests` that `Render()` actually applies that heading to the built entity's `Rotation`. **Tests:** `CharacterCreationLiveDatTests` (+2 permanent structural/geometry tests replacing the temporary scouting probe), `CharacterCreationUiControllerTests` (+23: gender/spin/wrap/swatch/shade/zoom-rotate dispatch, the Olthoi clothing-hide gate, the 10-case `CycleIndex` wrap-semantics theory, the renamed AD-101 test), `ChargenPreviewControllerTests` (+6, new file, installed-DAT-gated), `ChargenPreviewRotationControllerTests` (+1, the 180°-default pin). Counts (Release, full solution, `ACDREAM_PROBE_LIVE_MOUNT=1` + `ACDREAM_DAT_DIR` set so every installed-DAT-gated test in this round actually runs rather than skip-gating): Runtime 1713/0 (unchanged — `SetAppearanceIndex`/`SetShade` command plumbing already existed in `IRuntimeCharacterCreationCommands`/`GameRuntimeCommands.cs` from CC3, nothing new needed there), Core 4786/1 skip (unchanged), Content 147/0 (unchanged), App 5220/3 skips (5208/15 skips without the probe env vars — the 12-skip delta is exactly the installed-DAT-gated tests this round adds/exercises), Headless 166/0 (unchanged) — zero failures across two consecutive full-solution runs; one transient failure in `AcDream.Core.Net.Tests.Transport.NakEmissionTests.LossSoak_TwoPercentBidirectional_ZeroMessageLoss_LedgersConverge` reproduced on the FIRST full-solution run and passed clean both in isolation and on an immediate full-solution re-run — the SAME pre-existing, previously-documented flake CC6b-PRE's own ledger row already names (randomized-loss-injection timing, zero files under `src/AcDream.Core.Net/` touched this round either). **OWED for CC5+ / future:** the actual retail-icon rendering pipeline for hair/eyes/nose/mouth style spins (AP-215's own icon-label half) and the GradCircle's own retail-driven repaint (review fix round correction 2026-08-15: AP-215 does NOT name the GradCircle — that was this ledger row's own false claim; the GradCircle gap is filed separately as AP-217, REWRITTEN 2026-08-15 at the re-review of `d2a71152` (R3) after re-deriving from the decomp: `gmCGAppearancePage::ListenToElementMessage`'s own dispatch switch has NO case for the GradCircle's offset at all, so it is not a click target in retail either — `DoGradDisk` is a PAINT-only routine that blits the gradient art tinted with the current part's color (or blanks it for Eyes) whenever `SetColor`/`SetSelection` run; acdream's gap is that it never repaints the GradCircle at all, a cosmetic paint gap rather than a dead click target, and the nine swatch buttons already provide the full, decomp-cited color-selection INPUT path); a real `RandomizeCharacter` port (AP-214/AP-212's shared landing site) if a future connected gate wants retail's true randomized-on-open default instead of acdream's honest-blank one; the exact pixel-identical companion-overlay swatch highlight (AP-215) if a future visual gate demands it; **the current-part spin highlight itself, newly measured DEAD for all nine spins (AP-222, filed at the re-review of `d2a71152`, N2)** — none of the nine spins author Highlight-state media, so `RefreshColorAndShadeControls`'s `TrySetRetailState(Highlight)` call silently never changes what's drawn; unresolved whether retail's own spin art has the same gap or uses a different mechanism entirely, needs a decomp read of the real per-frame spin-face renderer before deciding a fix. |
-| Gate round 1 | CLOSED 2026-08-16 (batches A-G plus a dedicated closeout round; supersedes this ledger's "sole remaining acceptance step" framing above — that framing predates the user's connected gate, which found the six-page findings batch GF-1..GF-16, then re-tested and found R2-1..R2-8, both fully fixed across this round) | Batches: `1d9de5e0` (A — GF-15 input/GF-5 skills rows/GF-13 GM toggles), `7d09821f` (B — authored selection states/label state/zoom-swatch feedback), `0591b9a0`+`5190e169`+`2349f8b4` (C — rich text/labels/backdrops, client-wide un-consume carve-out, Summary how-to+scrollbar), `63bf64c9` (D — gmCG3DView environment backdrop), `e24ec208` (E — text origin/caption escapes/value rects/scrollbars/name prefill), `8c30aa18` (F — Skills page buckets/selection/info box/cost text/arrow states, partial — the four-bucket model itself deferred to the closeout below), `834c2547` (G — real color wheel DoColorSpots/DoGradDisk color computation, left INERT pending the closeout's wiring). Closeout round (this session, dedicated Sonnet implementer): `e1d7d095` (Group 1 — wires Batch G's two STOPPED items: `UiButton`/`UiDatElement` gain a `Tint` property, the flat-fill overlay is replaced by a genuine multiplicative sprite tint, and the DAT-backed color-source seams are threaded through the composition root), `0fed5fdd` (Group 2 — the Skills page four-bucket sorted model Batch F deferred: `ChargenSkillDetail`/`ChargenSkillFormula` thread `SkillBase.MinLevel`/`Description`/`Formula`, `CharacterCreationSkillsPage` groups/sorts/re-buckets, the info box gets its description+formula completion), `bd359d51` (Group 3 — the round review's remaining findings F4-F11/F14/F16: three UiButton corpus sweeps, a narrow `AuthoredInvisible` honor for the chat new-text indicator, `BoundedProcessOutputCapture`'s single-write `AppendLine`, a stale-comment correction, documented (not code-changed) numeric-asymmetry and harmless-set-membership findings, per-page `DatRichText.Compose` caching, and the Summary preview's own render-id pair closing a real cross-page `TextureCache` collision). Docs-only bookkeeping (register/ISSUES/findings-doc corrections for F3/F12/F15) lands in the commit immediately following this ledger update. | Register bookkeeping across the round: AP-216/AP-217 RETIRED (Group 1), AP-213 RETIRED (Group 2), AP-229/AP-230 amended with closeout addenda (F3/F5-F6), the AP section header's inverted "one high" note corrected to "one low" (F12), the AD section header recounted 77->79 (F12); new AP-231 documents the Skills page formula-connector-text approximation. Gates: full-solution Release build green throughout; App suite (live-DAT env) 5358/3, Runtime 1735/0 (unchanged), Core 4797/1, Content 154/0, Launcher.Core 338/0, and the complete solution (12 test projects) 0 failures / 4 skips at the closeout's own final run. | **USER-PASSED 2026-08-16 on build `1.0.2-cc.o`** after two further re-test fix rounds this ledger row predates: re-test 2 (`7d6a7898`..`91f84dec`, R3-1..R3-9 — one-line captions per retail's OneLine gate, info-pane VJustify scoped fix + #410/AD-104, the single-sprite scrollbar-thumb fallback, retail's ReplaceColor spot bake replacing the tint approximation, the third exhaustive `[ Name ]` negative) and re-test 3 (`e6acb800`, R4-1..R4-4 — the base-inherited value-child reflow, the DrawTiled→single thumb marker, the pane-taller-than-frame clamp + AD-105, the PreserveEndOnLayout first-overflow pin). Residual notes carried: F3's literal ask (a test driving `RetailUiRuntime.Tick(double)` itself rather than its two components separately) was assessed and NOT implemented — `RetailUiRuntimeBindings` requires ~24 nested sub-binding records with no existing lightweight construction path, disproportionate to the value of strengthening an already-correct, already-tested tick-order guarantee (`Finish_EmptyName_RealEventPath_...` already pins the same order via direct calls); AP-231's formula-connector approximation remains unverified against a live retail capture. |
diff --git a/docs/plans/2026-08-18-release-stabilization.md b/docs/plans/2026-08-18-release-stabilization.md
deleted file mode 100644
index 9623ccb1..00000000
--- a/docs/plans/2026-08-18-release-stabilization.md
+++ /dev/null
@@ -1,691 +0,0 @@
-# Release stabilization and human-maintainability campaign
-
-**Status:** PROPOSED — plan recorded; implementation not started
-**Created:** 2026-08-18
-**Audit baseline:** `15539a22a67f8d915d88f8b1d8126cd55eedda6e`
-**Evidence:** [`../reviews/2026-08-17-release-maintainability-audit.md`](../reviews/2026-08-17-release-maintainability-audit.md)
-**Findings:** [`../reviews/findings-ledger.md`](../reviews/findings-ledger.md)
-**Coverage proof:** [`../reviews/coverage-ledger.md`](../reviews/coverage-ledger.md)
-
-## 1. Goal
-
-Prepare acdream for a responsible public release and for maintenance by human
-developers who do not have access to prior AI conversations, private worktrees,
-or campaign memory.
-
-The campaign succeeds when a new maintainer can clone the repository, identify
-the current architecture and supported release, reproduce the build and test
-gate, understand why non-obvious retail behavior exists, and publish or roll
-back an authenticated release using repository-owned instructions.
-
-This is a stabilization program, not a rewrite. The existing Runtime/App/
-Headless architecture remains the foundation unless a slice proves a specific
-boundary is wrong.
-
-## 2. Binding principles
-
-1. **Protect behavior before cleanup.** Establish a deterministic complete gate
- before broad refactors, comment cleanup, or file decomposition.
-2. **Distill knowledge; do not erase it.** No note, comment, issue history,
- diagnostic, capture, or raw artifact is removed until its durable value has
- a verified destination.
-3. **One current truth.** Stable architecture and release state must not depend
- on choosing between README, roadmap, milestone, campaign, memory, or
- tool-specific instruction copies.
-4. **Separate evidence from contracts.** Source comments explain the current
- invariant. Dated research records preserve investigation history. Raw
- captures live in an explicit artifact tier.
-5. **No count-only gates.** A test total is meaningful only when the report says
- which hermetic, installed-DAT, live, visual, manual, and diagnostic lanes
- actually ran.
-6. **Bound every external interaction.** Process waits, network operations,
- test runs, and release steps require timeouts, cancellation, and diagnostic
- artifacts on failure.
-7. **Small reversible slices.** Each slice gets focused tests, a complete gate,
- a reviewable commit, a rollback description, and a plan-ledger update.
-8. **No opportunistic feature work.** New gameplay features wait unless needed
- to prove or repair a release blocker.
-
-## 3. Knowledge-preservation protocol
-
-Every cleanup candidate is classified before it moves:
-
-| Class | Durable value | Destination |
-|---|---|---|
-| Current invariant | Required behavior, ordering, ownership, threading, or retail rule | Short source comment and/or maintained architecture contract |
-| Decision rationale | Alternatives considered, failed attempts, tradeoffs, gate outcome | Dated decision/research record linked from the current contract |
-| Reproducible evidence | Minimal fixture, retail symbol/address, script, checksum, expected result | Versioned fixture/research record in Git |
-| Raw evidence | Large logs, captures, Ghidra state, screenshots, dumps | Approved versioned artifact store with manifest, hash, provenance, and retention policy |
-| Superseded or incorrect claim | Historically useful but no longer operative | Marked `SUPERSEDED` with successor link; archive after references are migrated |
-| Duplication/noise | Repeats a preserved fact and adds no independent evidence | Delete only after destination/link validation |
-
-Before deleting or rewriting historical material, all of these must be true:
-
-- its current invariant is recorded at the owning code or architecture seam;
-- useful retail provenance, failed approaches, and acceptance evidence remain
- searchable under stable identifiers;
-- inbound links and source comments point at the surviving destination;
-- any raw artifact has an approved distribution, privacy, and licensing status;
-- the replacement was reviewed by someone other than its author;
-- the complete gate passes after the move.
-
-Git history alone is not the preservation mechanism. History may later be
-rewritten to remove large or legally restricted artifacts.
-
-## 4. Campaign dependency map
-
-```text
-R0 baseline/authority
- -> R1 launcher deadlock
- -> R2 reproducible complete gate
- -> R3 truthful test lanes
- -> R5 documentation authority
- -> R6 dead surfaces and tools
- -> R7 plugin/config hardening
- -> R8 bounded decomposition
- -> R10 release candidate
-
-R4 licence/provenance/release governance ---------------------> R10
-R9 artifact migration (depends on R4 decisions) --------------> R10
-```
-
-R4 starts in parallel because it requires owner/legal decisions. It blocks a
-public release but does not block the technical safety work in R1–R3.
-
-## 5. Slice map
-
-| Slice | Outcome | Depends on | Release blocking |
-|---|---|---|---|
-| R0 | Baseline and durable campaign authority accepted | — | yes |
-| R1 | Launcher shutdown lock inversion fixed and deterministic | R0 | yes |
-| R2 | Pinned clean build and complete bounded CI gate | R1 | yes |
-| R3 | Test results truthfully distinguish executed, skipped, and diagnostic work | R2 | yes |
-| R4 | Licence, provenance, credential disclosure, and release ownership decided | R0; parallel | yes |
-| R5 | One current documentation authority; public docs match the product | R2–R3 | yes |
-| R6 | Dead presentation/backend/probe surfaces removed; supported tools reproducible | R3–R5 | normally yes |
-| R7 | Plugin compatibility/lifetime and diagnostic configuration hardened | R3 | yes for advertised plugin release |
-| R8 | Highest-risk giant owners decomposed only at proven seams | R3, R6–R7 | selective |
-| R9 | Large/generated research artifacts moved under an approved policy | R4 | yes if repository is distributed |
-| R10 | Clean-clone release candidate and rollback rehearsal | all blocking slices | yes |
-
-## 6. R0 — Baseline and authority
-
-### Work
-
-- Review and accept this plan and the six documents under `docs/reviews/`.
-- Record the exact starting commit, SDK, package sources, operating systems,
- supported release platforms, and current external prerequisites.
-- Decide who owns legal/provenance decisions, CI/release credentials, and final
- release approval.
-- Pause unrelated feature campaigns until R1–R3 establish the safety net.
-- Preserve the audit baseline before any cleanup; do not rewrite artifact
- history in this slice.
-
-### Exit criteria
-
-- Plan and audit artifacts are tracked in the repository.
-- One named owner exists for technical release approval and one for
- licensing/provenance approval; the same person may hold both roles.
-- The ledger in §17 identifies R1 as the only active implementation slice.
-
-## 7. R1 — Fix the launcher shutdown deadlock first
-
-### Confirmed failure
-
-`LauncherProcessSupervisor.Dispose` currently holds the supervisor `_gate`
-while disposing a child. `WindowsSystemChildProcess.Dispose` enters
-`System.Diagnostics.Process.Dispose`; concurrently, the process-exit callback
-can enter `OnProcessExited` and try to publish state through the same supervisor
-gate. The captured wait cycle is:
-
-```text
-shutdown: supervisor _gate -> Process internals
-exit callback: Process internals -> supervisor _gate
-```
-
-The complete solution test process hangs on
-`ANullStderrLogPathBehavesExactlyAsBeforeForBothChildProcessKinds`; the
-Launcher.Core project can pass alone because the race timing changes.
-
-### Design constraints
-
-- Never call child/process operations that may wait, dispose, raise callbacks,
- or execute external code while holding `_gate`.
-- Under `_gate`, make only the minimal state transition and snapshot the exact
- children/work to retire.
-- Perform unsubscribe, stop, kill, wait, and dispose work outside `_gate`.
-- Exit callback and explicit disposal must converge idempotently regardless of
- which arrives first.
-- Preserve exact terminal-state ordering, status publication, graceful-stop
- behavior, and child ownership; do not solve the hang by dropping callbacks.
-- A failed cleanup must remain observable without starving later cleanup.
-
-### Required tests
-
-- Add a barrier-controlled race test that deterministically pauses the child
- exit callback while disposal begins. Do not use `Thread.Sleep` as the oracle.
-- Cover exit-before-dispose, dispose-before-exit, simultaneous exit/dispose,
- repeated dispose, stop timeout/kill fallback, and callback failure.
-- Assert one terminal publication, no resurrection, no orphan child, no held
- supervisor lock during process disposal, and bounded completion.
-- Run the focused race test repeatedly after its deterministic single pass.
-- Run all Launcher.Core tests.
-- Run the complete Release solution twice in fresh processes under a documented
- timeout and retain hang dumps if either run fails to terminate.
-
-### Exit criteria
-
-- No process/child disposal occurs under the supervisor gate.
-- The deterministic race test fails against the baseline mechanism and passes
- against the fix.
-- Two complete bounded solution runs finish with zero failures.
-- F-009 and T-001 receive exact fix commit and gate evidence.
-
-## 8. R2 — Reproducible build and complete CI gate
-
-### Work
-
-- Pin the accepted .NET 10 SDK feature band in `global.json`.
-- Centralize common compiler/analyzer settings and package versions; enable
- locked restore for release/CI.
-- Eliminate all 26 clean-rebuild test warnings or make a narrowly justified,
- centrally documented exception fail-safe.
-- Build every supported product and every supported tool from a clean checkout.
-- Make CI run the complete solution, not only portability subsets. Give each
- project/process a timeout and collect test logs plus managed dumps on hangs.
-- Preserve focused Windows/Linux portability lanes, but do not represent them
- as the complete gate.
-- Record restore sources, SDK/runtime, RID, commit, executed/skipped counts, and
- artifact hashes in every release report.
-
-### Exit criteria
-
-- A clean clone restores and builds with the pinned toolchain and no warnings.
-- Complete CI runs every default release test project and fails on timeout.
-- The launcher hang cannot silently consume the CI job indefinitely.
-- Package resolution and the gate command are reproducible from repository
- instructions alone.
-
-## 9. R3 — Make test reporting truthful
-
-### Required lanes
-
-1. **Hermetic release lane:** default CI; unavailable local data is never a
- silent passing return.
-2. **Installed-DAT/prepared-package lane:** explicit prerequisites and per-suite
- skip identity; result published separately.
-3. **Live/connected/visual/listening lane:** operator-owned, dated evidence;
- never counted as ordinary unit coverage.
-4. **Diagnostic/manual lane:** probes, dumps, fixture generators, and
- characterization programs invoked explicitly outside default test totals.
-
-### Work
-
-- Replace the 271 asset/environment empty-return tests with explicit lane
- requirements, truthful skips, or hermetic fixtures.
-- Move or give stable assertions to the 51 output-only diagnostic methods.
-- Delete/replace the three confirmed useless entire cases and the tautological
- assertions catalogued in the audit.
-- Remove the duplicate theory row and make the clean rebuild warning-free.
-- Remove or re-home at least 52 tests with the unreachable panel stack.
-- Retire temporary source-shape freezes once a semantic architecture/behavior
- guard exists; retain whole-tree dependency guards that express real rules.
-- Assign and stabilize the seven documented load-sensitive tests. Do not hide
- them with generic retries.
-- Inject controllable time into double-click and real-time transport tests.
-
-### Exit criteria
-
-- Default test success means every discovered default contract executed.
-- Reports give exact reasons and prerequisite identity for every skip.
-- Diagnostics and manual generators do not inflate release regression totals.
-- No known duplicate row, literal tautology, or permanent empty scaffold remains
- in the default suite.
-
-## 10. R4 — Licence, provenance, security, and release ownership
-
-This slice requires explicit project-owner decisions and, where appropriate,
-qualified legal review. The implementation agent records evidence but does not
-invent a redistribution basis.
-
-### Work
-
-- Select the project licence and establish contributor/code ownership.
-- Audit WorldBuilder-derived code, dependency notices, named-retail/decompiler
- exports, PDB-derived data, Ghidra databases, captures, images, and DAT-derived
- fixtures for provenance and redistribution status.
-- Decide which research artifacts may be public, private, regenerated, or
- deleted from distributable history.
-- Add SECURITY, CONTRIBUTING, changelog/version authority, disclosure and
- deletion behavior for plaintext launcher credentials, and a vulnerability
- response path.
-- Define release artifact contents, supported platforms, SBOM/provenance,
- signing/attestation policy, checksums, update manifest generation, rollback,
- and release approval.
-
-### Exit criteria
-
-- Publicly distributed source and artifacts have an approved licence and
- complete notices/provenance inventory.
-- Users are told exactly how credentials are stored and removed.
-- The launcher updater's production manifest and archives are generated and
- verified by a repository-owned release process.
-
-## 11. R5 — One current documentation authority
-
-### Work
-
-- Correct public README claims to the actual Vulkan-only client and retained UI.
-- Make `docs/README.md` stable navigation plus a generated current-status block
- sourced from one structured milestone/release ledger.
-- Keep architecture documents limited to durable boundaries, ownership,
- threading/lifetime, and data flow. Move commit/test-count/rollback chronology
- to dated closeout records.
-- Replace duplicated `AGENTS.md`/`CLAUDE.md` product truth with one maintained
- tool-neutral source and generated thin adapters; fail CI on drift.
-- Mark every memory/plan/spec as current, active, superseded, or historical.
-- Normalize active issue/divergence indexes and validate their IDs, statuses,
- paths, and links mechanically.
-- Apply the knowledge-preservation protocol before shortening any campaign or
- issue record.
-
-### Exit criteria
-
-- A new maintainer receives the same current answer from README, documentation
- map, architecture, milestone/status ledger, and agent instructions.
-- No current authority links missing private `claude-memory`, absent skills, or
- developer-local paths.
-- Historical records remain searchable but cannot override current truth.
-
-## 12. R6 — Dead surfaces, diagnostics, and tools
-
-### Work
-
-- Decide and then remove or explicitly support the unreachable
- `IPanelRenderer`/old panel stack and its tests.
-- Remove stale OpenGL/framebuffer/ImGui apparatus and failed temporary-cleanup
- markers from shipping assemblies after preserving useful evidence.
-- Stop including the smoke plugin in release output by default.
-- Classify every tool/script as supported, diagnostic, research-only, or
- archived. Repair the five broken C# tools chosen as supported; remove
- developer-home/old-worktree paths and document exact prerequisites.
-- Centralize environment/diagnostic configuration at composition roots.
-
-### Exit criteria
-
-- Shipping assemblies and package contents contain no abandoned presentation
- backend or sample plugin by accident.
-- Every supported tool builds from the pinned clean checkout.
-- Research-only tools are clearly invoked outside the release build.
-
-## 13. R7 — Plugin and configuration contracts
-
-### Work
-
-- Enforce supported plugin API versions before loading code.
-- Implement manifest dependencies or remove the unsupported promise.
-- Publish/version `AcDream.Plugin.Abstractions` if plugins are advertised.
-- Report registration cleanup and callback failures without preventing
- best-effort teardown; prove collectible load-context release under failures.
-- Replace absent/null allow-list ambiguity with one explicit production default.
-- Replace direct hot-path environment reads/process-static mutable diagnostics
- with immutable session-scoped configuration and typed sinks.
-
-### Exit criteria
-
-- An incompatible plugin fails before activation with an actionable message.
-- Disable/dispose reports all cleanup failures and cannot silently retain host
- registrations.
-- Graphical and headless hosts have the same documented plugin/config default.
-
-## 14. R8 — Bounded structural decomposition
-
-This slice begins only after R1–R3. File size alone does not authorize a split.
-
-### Priority candidates
-
-- `RuntimeSetPositionState`
-- `TransitionTypes`
-- `RetailUiRuntime`
-- `LiveEntityRuntime`
-- `WorldSession`
-- `WbDrawDispatcher`
-
-### Rules
-
-- Identify one ownership/lifetime or pure-algorithm seam at a time.
-- Preserve a single state owner; do not replace a large class with mirrored
- mutable state or a service graph of aliases.
-- Prefer partial-file navigation when a state machine must remain one owner.
-- Establish behavior/sabotage tests before extraction and remove corresponding
- temporary source-text freezes afterward.
-- Replace Chorizite/GL vocabulary in prepared-content DTOs with versioned
- acdream-owned semantics at a separately reviewed boundary.
-
-### Exit criteria
-
-- Each extraction reduces change coupling or improves ownership clarity; line
- count reduction alone is not success.
-- Runtime behavior, retail evidence, allocations, and teardown ledgers remain
- equivalent under the relevant focused and complete gates.
-
-## 15. R9 — Repository artifact migration
-
-### Work
-
-- Inventory the approximately 575 MiB of Ghidra state, 299 MiB research tree,
- and 151 MiB tracked logs by provenance, sensitivity, reproducibility, and
- ongoing value.
-- Keep compact fixtures, scripts, tool versions, summaries, and checksums in
- Git. Move approved raw bundles to a versioned artifact store.
-- Add a manifest/bootstrap command that verifies artifact identity.
-- Define retention, redaction, access, and backup policy.
-- Treat Git-history rewriting as a separately approved migration with backup,
- contributor coordination, remote replacement, and verification. Never do it
- as an incidental cleanup command.
-
-### Exit criteria
-
-- A normal clone contains what build/test/maintenance requires without opaque
- generated databases or raw logs.
-- Authorized researchers can retrieve exact approved evidence by manifest and
- hash.
-- Restricted or non-redistributable material is absent from public history.
-
-## 16. R10 — Release-candidate gate
-
-From a fresh clone on every supported release platform:
-
-- restore with the pinned, locked toolchain;
-- build every shipped product and supported tool with zero warnings;
-- run the complete hermetic test lane with no failures, silent no-ops, hangs,
- or generic retries;
-- run and report the applicable DAT, connected, visual/listening, updater,
- installer, graceful-shutdown, and rollback gates;
-- generate versioned per-RID packages, plugin abstraction package if supported,
- SBOM/provenance/checksums, and updater manifest;
-- install/update/rollback using only public release instructions;
-- verify package contents contain no credentials, developer paths, smoke
- plugin, raw probes, or unapproved research artifacts;
-- obtain technical and licensing/provenance approval.
-
-Public release remains **NO-GO** until every blocking slice is closed.
-
-## 17. Cross-session execution ledger
-
-This table is the resume authority. Update it in the same commit as every slice
-checkpoint. Do not infer status from chat history.
-
-| Slice | Status | Commit(s) | Evidence/gates | Exact next action |
-|---|---|---|---|---|
-| R0 | PLAN ACCEPTED; R4 OWNER DECISION DEFERRED | — | Audit complete at `15539a22`; user completed R1–R3 | Retain the plan and audit artifacts as campaign authority |
-| R1 | COMPLETE; MERGE AUTHORIZED 2026-08-18 | `0a934cf5` | 2026-08-18 checkpoint below; F-009/T-001 resolved and committed | Merge with the complete R1–R3 stabilization branch |
-| R2 | COMPLETE; MERGE AUTHORIZED 2026-08-18 | `2ac05486`, `c38f6b88` | Checkpoints below; F-014/F-019 resolved, F-010 machine-readable, supported .NET tool portion of F-004 resolved | Merge with the complete R1–R3 stabilization branch |
-| R3 | COMPLETE; MERGE AUTHORIZED 2026-08-18 | `14d371a0`, `b64c8041` | Final inventory: 1,254 files, 11,414 attributed methods, 22 approved source readers; Release gate: 14,346/14,346 | Merge the stabilization branch; retain the closeout ledger as authority |
-| R4 | DEFERRED BY USER FOR FRIEND-ONLY RELEASE | — | F-001/F-026/F-031/F-034 remain public-release blockers | Resume before any public release; keep credentials and research artifacts out of friend packages |
-| R5 | DEFERRED BY USER | — | F-002/F-003/F-006/F-007/F-011/F-020/F-027/F-029/F-032 | Resume later with the bounded documentation-authority goal |
-| R6 | NOT STARTED | — | F-004/F-005/F-012/F-016/F-023/F-028 | Wait for R3/R5 |
-| R7 | NOT STARTED | — | F-017/F-018/F-024/F-025 | Wait for R3 |
-| R8 | NOT STARTED | — | F-008/F-013/F-033 | Wait for R1–R3 and cleanup decisions |
-| R9 | NOT STARTED | — | F-034 plus R4 provenance decisions | Wait for R4 |
-| R10 | NOT STARTED | — | All blocking findings | Wait for blocking slices |
-
-### R1 implementation checkpoint — 2026-08-18
-
-**Working-tree base:** `15539a22a67f8d915d88f8b1d8126cd55eedda6e`
-**Commit:** `0a934cf5` on `codex/release-stabilization`; the checkpoint is
-durable on that campaign branch but is not yet merged to `main`.
-
-Implementation:
-
-- `LauncherProcessSupervisor.Dispose` now transfers `_process` ownership to a
- local and clears the field under `_gate`, then performs stop, event removal,
- and child disposal outside the gate.
-- Public `Stop` and disposal share one `StopProcess` implementation, preserving
- graceful-stop, close-window, timeout, kill, and post-kill observation order.
-- `OnProcessExited` reads the event sender's optional exit code without holding
- `_gate`, then commits the terminal transition through the existing ordered
- state publisher. A callback already captured during teardown may therefore
- finish instead of forming the supervisor/Process lock cycle.
-- `DisposeAllowsAnAlreadyCapturedExitCallbackToComplete` uses explicit barriers:
- the fake captures the exit delegate before unsubscription; its disposal
- releases the callback and waits for it to return. There are no timing sleeps
- in the oracle, and an emergency release keeps failure against the old code
- bounded rather than wedging the test host.
-
-Sabotage and focused evidence:
-
-- With the old lock shape temporarily restored and the new test retained, the
- test failed with its expected five-second timeout. The fake's cleanup barrier
- then released the old cycle, so the test process exited normally.
-- With the fix restored, the same test passed in 21 ms.
-- The race test passed 25/25 times in fresh `dotnet test` processes.
-- All `LauncherProcessSupervisorTests` passed: 22/22.
-- Complete Launcher.Core passed under a 180-second hard process bound:
- 339 passed / 0 skipped / 0 failed in 52 seconds.
-
-Complete-solution evidence:
-
-- Release build completed inside a 300-second bound with 0 warnings / 0 errors
- in the evaluated incremental build.
-- The exact serialized command was
- `dotnet test AcDream.slnx -c Release --no-build --no-restore --nologo -m:1`,
- launched in a fresh child process for each run. An outer process watchdog
- allowed 900 seconds, killed the complete process tree on expiry, and treated
- timeout as failure.
-- Run 1: 12 assemblies, 14,748 passed / 77 skipped / 0 failed, 1:28.822,
- bounded exit code 0.
-- Run 2: 12 assemblies, 14,748 passed / 77 skipped / 0 failed, 1:30.241,
- bounded exit code 0.
-
-Adjacent evidence, deliberately not folded into R1:
-
-- One default-parallel whole-solution run terminated normally in 58.148
- seconds—important negative evidence for the former hang—but failed one
- `AcDream.Launcher.Tests` Avalonia headless cleanup because a compositor was
- accessed from a non-owning thread. The Launcher test project then passed
- 67/67 alone. R1 makes no Avalonia changes; R2/R3 must decide the supported CI
- scheduling and ownership of that pre-existing parallel-run failure.
-- The known duplicate Core theory row and 77 skip classifications remain
- unchanged and belong to R3. R1 does not use their headline count as proof of
- test quality.
-
-Changed implementation/test files:
-
-- `src/AcDream.Launcher.Core/Launching/LauncherProcessSupervisor.cs`
-- `tests/AcDream.Launcher.Core.Tests/Launching/LauncherProcessSupervisorTests.cs`
-
-Rollback is `git revert 0a934cf5`; do not rewrite branch history.
-
-### R2 complete-gate checkpoint — 2026-08-18
-
-**Working-tree base:** `0a934cf5781c003375c14af9a1f565254df0f9f9`
-**Commit:** `2ac05486` on `codex/release-stabilization`; the checkpoint is
-durable on that campaign branch but is not yet merged to `main`.
-
-Implemented gate:
-
-- `global.json` pins the accepted .NET 10 SDK feature band at `10.0.300` with
- `latestPatch` roll-forward and prerelease SDKs disabled. Every existing
- `actions/setup-dotnet` step now reads that file instead of floating on
- `10.0.x`.
-- `tools/run-release-gate.ps1` discovers every project under `tests/` that
- declares `Microsoft.NET.Test.Sdk` or `IsTestProject`, verifies the project is
- present in `AcDream.slnx`, restores/builds the solution, and runs each test
- assembly exactly once in its own Release process. It does not retry.
-- Restore, build, and each test process have 600/900/600-second outer bounds.
- Tests additionally use VSTest's 180-second per-test blame-hang collector with
- mini dumps. An outer timeout kills the complete process tree and reports exit
- code 124; GitHub Actions adds a 45-minute job bound.
-- Every run writes exact commands and output, one TRX per assembly, any blame
- sequence/dumps, `dotnet --info`, configured NuGet sources, commit/branch/RID,
- aggregate executed/passed/skipped/failed counts, and `SHA256SUMS.txt`.
-- `.github/workflows/release-gate.yml` runs the gate on pull requests, pushes
- to `main`, and manual dispatch on `windows-latest`, then uploads the evidence
- even when the gate fails. The focused Windows/Linux portability and Vulkan
- lanes remain separate and are no longer the only deterministic CI coverage.
-- `docs/release-gate.md` is the repository-owned local/CI runbook.
-
-Test-isolation corrections, with no product behavior change:
-
-- Four `MainWindowViewTests` that call `Show()` now close their window and pump
- dispatcher cleanup in `finally` on the owning Avalonia test session. The old
- tests leaked shown, thread-affine compositor state to runner teardown; no
- suite serialization or retry was added.
-- The complete gate's first evidence run correctly failed
- `RealChildStderrIsCapturedForTheProcessStartInfoPath`: its live polling helper
- briefly denied write sharing, so the final async stderr callback observed an
- `IOException` and the deliberately no-throw capture sink latched off. The
- helper now reads with `FileShare.ReadWrite | FileShare.Delete`, matching the
- production status tailer; its assertions and five-second bound are unchanged.
-
-Verification:
-
-- Focused `MainWindowViewTests`: 13 passed / 0 skipped / 0 failed.
-- Three fresh default-parallel whole-solution runs completed inside independent
- 180-second process bounds with 12/12 TRX files and no Avalonia cleanup error:
- 56.719, 56.321, and 58.506 seconds. Each reported 14,748 passed / 77 skipped /
- 0 failed.
-- The stderr ProcessStartInfo test passed 25/25 fresh-process repetitions after
- the live-reader correction.
-- The actual outer-watchdog function killed a controlled fixture process tree
- at 2.107 seconds, returned 124, and left no child process.
-- The repository command `pwsh ./tools/run-release-gate.ps1` completed in
- 107.337 seconds on SDK `10.0.300`, RID `win-x64`: 12 assemblies, 14,748
- executed and passed / 77 skipped / 0 failed. The evidence manifest contains
- 28 verified SHA-256 entries.
-
-Deliberately still open in the wider R2 slice:
-
-- the 26 warnings observed by a clean recompilation, centralized compiler and
- package settings, package lock files/locked restore, and broken or unsupported
- tool-project decisions;
-- the known duplicate Core theory row and classification of the 77 skips, which
- remain R3 work; and
-- stale public headline counts, which must be corrected with the documentation
- authority work rather than hand-edited as part of this gate checkpoint.
-
-Therefore this checkpoint closes F-014 on the campaign branch and the SDK part
-of F-019, and gives F-010 a truthful machine-readable count. It does not claim
-the broader R2 reproducibility slice or R3 test-quality cleanup is complete.
-
-Rollback is `git revert 2ac05486`; do not rewrite branch history.
-
-### R2 reproducibility closeout — 2026-08-18
-
-**Working-tree base:** `b459e0cf0cab9241b0771d2ce6838083f2c84162`
-
-**Implementation commit:** `c38f6b88522750abc2e4acf1898ed566c5576e4a`
-on `codex/release-stabilization`; the closeout is durable on that campaign
-branch but is not yet merged to `main`.
-
-Repository policy and dependency graph:
-
-- `Directory.Build.props` is the common .NET 10, language, nullable, latest
- analysis, warnings-as-errors, deterministic-build, and lock-file authority.
-- `Directory.Packages.props` centrally pins all 30 direct package versions.
- All 89 `PackageReference` sites are versionless; no project-local version can
- silently drift.
-- `NuGet.Config` clears machine fallback folders and package sources, then
- declares only `nuget.org`.
-- Every supported project owns `packages.neutral.lock.json` (44 files). Every
- shippable source project additionally owns `packages.win-x64.lock.json` and
- `packages.linux-x64.lock.json` (14 of each; 72 graphs total). Conventional
- `packages.lock.json` files are intentionally absent because NuGet gives that
- filename precedence over `NuGetLockFilePath`, preventing adjacent neutral
- and RID graphs.
-- `tools/update-package-locks.ps1` is the one intentional update path. The
- release gate and the launcher's nested Bake publish use forced locked restore,
- so stale `obj/` assets cannot hide a disagreement and a normal gate cannot
- rewrite dependency resolution.
-
-Complete maintained build surface:
-
-- All 13 tracked .NET tools were repaired against package/owned interfaces,
- documented in `tools/README.md`, and added to `AcDream.slnx`.
-- The gate now verifies that every `.csproj` under `src/`, `tests/`, and
- `tools/` is a solution member, requires the expected lock graphs, and records
- their hashes in the evidence bundle. The supported graph is 44 projects.
-- The older script/probe archive under F-004 is unchanged. Classifying that
- historical material remains R6 work; the R2 change only makes the maintained
- .NET tools truthful and reproducible.
-
-Warning cleanup and test-gate stability:
-
-- A clean complete recompilation originally exposed 26 warnings, all in test
- and diagnostic code. Assertion-specific analyzers, nullable test doubles,
- and nullable DAT probe boundaries were corrected without changing product
- behavior.
-- The one known redundant historical Core theory input remains for R3 behind a
- site-scoped `xUnit1025` suppression. The central policy still makes any new
- duplicate row a build failure.
-- The launcher's seven editor-focus variants now execute in one Avalonia test
- application session. This prevents the headless framework from attempting
- compositor reinitialization on a non-owning thread. The suite passed 11
- consecutive focused runs before the full gate. Aggregating seven theory rows
- into one fact reduces the headline passed count by six; all seven variants
- are still executed and asserted.
-- The launcher package-boundary test now verifies versionless project
- references against the central version table rather than incorrectly
- requiring inline versions.
-
-Reproducibility evidence:
-
-- Forced locked re-evaluation of all 44 neutral and all 28 RID graphs changed
- zero lock hashes.
-- A locked restore into an empty global package cache, with `--no-cache`,
- succeeded from the sole configured source. NuGet assets recorded no fallback
- package folder.
-- A forced nested launcher-to-Bake publish selected the appropriate RID graph,
- emitted the Bake executable, and changed zero lock hashes.
-- `pwsh ./tools/run-release-gate.ps1` ran on the clean exact commit
- `c38f6b88522750abc2e4acf1898ed566c5576e4a`, SDK `10.0.300`, RID `win-x64`,
- in 121.398 seconds. Restore was forced and locked; all 44 projects built with
- 0 warnings / 0 errors; all 12 test assemblies completed with 14,742 passed /
- 77 skipped / 0 failed. The gate recorded `WorktreeDirty: false`.
-
-No product source behavior changed in this closeout. The known duplicate theory
-row, classification of the 77 environment-dependent skips, test naming/value
-review, and stale public headline counts remain explicitly assigned to R3 and
-the later documentation-authority slice. R2 is complete on the campaign branch.
-
-Rollback is `git revert c38f6b88`; do not rewrite branch history.
-
-## 18. Session start protocol
-
-Every implementation session begins by:
-
-1. reading this plan, the executive audit, and the findings for the active
- slice;
-2. running `git status --short`, `git rev-parse HEAD`, and checking the ledger's
- recorded commit against the working tree;
-3. reading all files/tests named by the active finding before editing;
-4. confirming there is no overlapping uncommitted user work;
-5. restating the bounded slice outcome and gates in the session update;
-6. working only the first non-blocked active slice unless the plan explicitly
- allows parallel work.
-
-## 19. Session handoff protocol
-
-Before ending any session, record in §17 or a linked dated closeout:
-
-- exact commit/worktree state and every file changed;
-- decisions made and alternatives rejected;
-- invariant/evidence destinations for anything removed;
-- exact commands, pass/fail/skip counts, timeouts, and artifact paths;
-- review findings and whether they were closed;
-- remaining risks, blockers, and user/legal decisions;
-- rollback command or precise reversal procedure;
-- one exact next action that can be started without chat context.
-
-A slice is not `DONE` because its code compiles or a focused test passes. It is
-done only when its exit criteria, complete required gate, evidence update,
-review, and cross-session ledger entry are all complete.
-
-## 20. Immediate next action
-
-Fast-forward `main` through the completed R1–R3 stabilization branch and push
-the merged result. R4 and R5 are explicitly deferred for the friend-only
-release. Before any public release, resume R4; when maintainability work
-resumes, begin with the bounded R5 documentation-authority goal. Do not begin
-bulk comment, artifact, giant-file, or unrelated cleanup first.
diff --git a/docs/plans/2026-08-19-launcher-usability-campaign.md b/docs/plans/2026-08-19-launcher-usability-campaign.md
deleted file mode 100644
index 2d1b9dd6..00000000
--- a/docs/plans/2026-08-19-launcher-usability-campaign.md
+++ /dev/null
@@ -1,334 +0,0 @@
-# Campaign LU — launcher usability
-
-**Status: CLOSED USER-ACCEPTED 2026-08-19/20.** Ten slices — the six planned
-plus four the gate rounds added — shipped through CI and accepted live.
-
-**Gate results, in the user's words:** the update flow "works, it updates as it
-should"; the launcher self-update round "pass"; the client's exit back to the
-character selector "pass".
-
-| slice | commit | what it fixed |
-|---|---|---|
-| (blocker) #420 client crash | `a34e8f2a` | character select killed the client mid-paint |
-| LU1 instant startup | `00d12782` | 29.9 s → 0.89 s, measured on the real 27.9 GiB pak |
-| LU2/LU3 one update question | `a01ff426` | six buttons → Update / Not now, self-restarting |
-| LU4 Setup complete | `0a2defb6` | setup ends with a dialog, not a finished progress bar |
-| LU5/LU6 Play + sessions | `09305be6` | one Play per character; rows say who is playing |
-| (cross-cutting) locale | `6a15dd06`, `955c6180` | retail text stopped following the machine's locale |
-| headless CLI + LU7 | `2bff44a9` | headless and character refresh had never run at all |
-| LU8 roster + fold | `18bbd377` | logging in IS the refresh; Play above the fold |
-| LU9/LU10 stop + logout | `6ab5d8ce` | 30 s graceful stop, ACE hold, logout lands on select |
-| verification-cache limit | `7037681a` | the ZFS finding below |
-
-Full solution under the release-gate filter: **14,375 passed, 0 failed,
-0 skipped**, and identical under `sv-SE`, `tr-TR`, `ar-SA` and `de-DE`.
-
----
-
-## What the gate rounds found that the plan did not
-
-Four of the ten slices did not exist when this plan was written. Each came from
-the user running the thing, and each was a defect the automated suite could not
-have surfaced:
-
-**Headless and character refresh had never worked, once.** The launcher spawned
-`acdream-headless --config `; the host reads `arguments[0]` as its command
-and accepts only `validate` or `run`. Every launcher-started headless session
-and every roster refresh died on its first instruction with "Invalid command"
-and exit 64 — visible only as a code in a status file. A whole campaign's gates
-missed it because they drove the headless host through its CLI directly, never
-through the launcher's spec. `LauncherHeadlessCommandLineContractTests` now
-feeds the launcher's real argument vector to the host's real parser.
-
-**Refresh was harmful as well as broken.** It opened a second connection to an
-account purely to read the roster, which the server treats as a new login — so
-using it while playing disconnected you. It was also redundant: every ordinary
-login already carries the roster, and the orchestrator already folds it in.
-
-**Stop was the crash.** The UI gave the client five seconds before killing it,
-which is not enough to send a logout, await the acknowledgement, and tear down a
-mapped 28 GB world. So Stop routinely produced exactly the ungraceful exit that
-leaves the server holding the account.
-
-**Play was below the fold.** The buttons existed; the plugins/login-commands
-form pushed them past the bottom of the scroll area. Reported, correctly, as
-"there is no headless or gui option".
-
-## Findings worth keeping
-
-**The verification cache cannot see a same-size, same-timestamp change.** Run
-174 failed on a test asserting it could. Measured on the runner: `/tmp` is ZFS,
-and 141 of 200 same-size rewrites produced an identical mtime. NTFS's 100 ns
-resolution is the only reason it never showed on Windows. The contract is now
-two true statements — startup catches a corruption whose write time moves, and
-a forced full verification catches one that preserves both — instead of one
-that is false on some filesystems. Verify files is the forced path.
-
-**Testing the launcher does not test your source.** The launcher runs the
-INSTALLED client from the version store, so a client-side fix cannot be gated
-until CI publishes it. A void-world screenshot was read as "the fix failed" when
-the installed build was 63 minutes older than the fix.
-
-**A locally built launcher cannot test self-update.** Its stamped version is
-`1.0.0`, which sorts above every `0.1.0-build.*` the feed publishes, so it is
-never offered an update. Publishing one with a deliberately low
-`InformationalVersion` is what made that path testable at all.
-
-**Goal**
-
-> The launcher opens without a long wait. On startup it asks whether to
-> update the launcher or the client, and restarts itself after a launcher
-> update; the old update flow is gone. First-run setup ends with a success
-> popup that returns you to the launcher on OK. A selected character
-> launches directly. The sessions frame shows account, character (or Char
-> Select) and whether they are in game — not the launch mode.
-
-**Why now.** Campaign LA shipped a launcher that is *correct* — atomic
-installs, verified artifacts, session barriers, rollback — and *not
-usable*. The user's verdict, twice: "way too complex", "too complex for
-sending it to my friends". This campaign changes the surface a person
-touches. It does not weaken what happens underneath.
-
-**Acceptance for the whole campaign** is the user's own walkthrough:
-download `launcher-win-x64.zip` from the `latest` release, unzip, run,
-install, play — without being told anything.
-
----
-
-## LU1 — the launcher opens immediately
-
-**Measured problem.** [App.axaml.cs:57](../../src/AcDream.Launcher/App.axaml.cs)
-blocks the UI thread on `installer.LoadExistingAsync().GetAwaiter().GetResult()`
-before the window is constructed. That reaches
-`LauncherInstallRecordStore.VerifyFileAsync`, which computes a full SHA-256
-of the installed package.
-
-Measured on the user's machine 2026-08-19:
-
-| fact | value |
-|---|---|
-| `%LOCALAPPDATA%\acdream\pak\acdream.pak` | 29,908,271,024 bytes (27.9 GiB) |
-| full SHA-256 | **24.1 s** at 1.16 GB/s |
-| digest vs `install.json` | identical (`fee8595d…`) |
-
-So the startup cost is 24 s of disk read to re-confirm something that was
-already true. A friend does not see it only because they have no package
-installed yet — verification short-circuits at "nothing installed". It
-will hit them the moment first-run setup finishes.
-
-**Change.** Startup verification becomes size + last-write-time against
-the record. The full hash keeps running where it is cheap and meaningful:
-at install, after an update installs a new package, and behind an explicit
-**Verify files** button (the Steam shape).
-
-The cheap facts live in a **sidecar** (`install.verification.json`), not as a
-new field on the install record. `LauncherInstallRecordStore` reads
-`install.json` with `JsonUnmappedMemberHandling.Disallow`, so a new field
-there would make an *older* launcher build reject the record outright and
-demand a 28 GB re-bake after a rollback. An unknown sidecar file is simply
-ignored by older builds, so the change is compatible in both directions.
-An install with no sidecar yet pays one full hash and then writes it.
-
-**Acceptance**
-
-- Window visible in under 2 s with the 27.9 GiB package installed.
-- Truncating or touching the package still blocks launch with a clear reason.
-- **Verify files** reproduces the full check and reports pass/fail.
-- The install and update paths still hash in full — unchanged.
-
----
-
-## LU2 — one update question, asked once, at startup
-
-**Change.** On start the launcher checks the feed once. If the launcher or
-the client is behind, it shows **one** dialog naming what is out of date and
-offering **Update** / **Not now**. Nothing else.
-
-- Launcher first when the feed's `minimumLauncherVersion` demands it, or
- when only the launcher is behind: install, then **restart into the new
- version** (`LauncherSelfUpdateBootstrap` already owns this handoff).
-- Client otherwise: install, close the dialog, back at the launcher.
-- Nothing to do: no dialog at all. The launcher just opens.
-
-**Acceptance** — three observed cases: up to date (silent), client behind
-(one dialog → play), launcher behind (one dialog → relaunched on the new
-version, confirmed by the version it reports).
-
----
-
-## LU3 — delete the old update surface
-
-The current prompt offers six buttons — Check again, Rollback client,
-Stage launcher, Install client, Cancel, Close — plus a version table and a
-restart-required banner. That is the flow being removed, along with the
-"Check for updates" header button and the `LauncherUpdateViewModel` paths
-only it reached.
-
-**What stays:** everything in `AcDream.Launcher.Core/Updates/` that makes
-an update safe — manifest validation, bounded verified download, safe ZIP
-extraction, versioned install with an atomic `current.json` switch, the
-session barrier, and rollback as a *capability*. The complexity the user
-objects to is the panel, not the safety beneath it.
-
-**Open — needs one confirmation before code is deleted:** rollback has no
-place in the new single-question flow. It can move behind a small
-"Advanced" affordance or leave the UI entirely (staying available as Core
-API + tests). I will show the exact deletion list and ask before removing
-it.
-
-**Acceptance** — exactly one update entry point in the UI; tests covering
-deleted view-model behavior are removed with the code, never skipped.
-
----
-
-## LU4 — "Setup complete" ends first-run setup
-
-**Change.** When the bake publishes and the install record verifies, the
-wizard shows a modal: setup succeeded, what was built, **OK**. OK closes
-the wizard and returns to the launcher with the "Client setup required"
-banner gone and launching enabled.
-
-**Acceptance** — a real first-run bake shows it exactly once on success;
-cancellation and failure paths keep their existing error/status reporting
-and must **not** show it.
-
----
-
-## LU5 — pressing Play on a character launches that character
-
-**Reproduce before changing anything.** The plumbing already exists end to
-end: `LauncherOrchestrator.LaunchAsync` clones the character with the
-*requested* mode (`CloneCharacter(character, mode)`),
-`SessionConfigComposer.BuildSelector` emits an id selector (falling back to
-name), and `RuntimeOptions.MapCharacterSelector` maps it into the App host.
-A defect somewhere in a chain that reads correct is exactly the case this
-project has repeatedly lost time to by guessing.
-
-Two candidates to separate by observation, not argument:
-
-1. The launch button is gated off by a capability reason, so the click
- never becomes a session.
-2. The selector reaches the client but the roster match fails, so character
- select stays on screen — which is what "you can just select different
- chars" describes.
-
-**Change.** One obvious **Play** per character that enters the world as
-that character, plus the deliberate "Character select" path kept separate.
-Three near-identical launch buttons is itself part of the complaint.
-
-**Acceptance** — select a character, press Play, arrive in the world as
-that character with no character-select screen in between.
-
----
-
-## LU6 — the sessions frame says who is playing
-
-Today each row reads `server / account / character`, then `Mode`
-(Gui/GuiSelect/Headless/Probe), then `State`, then a raw status string.
-The launch mode is launcher bookkeeping and means nothing to a player.
-
-**Change.** Each row shows the account, the character — or **Character
-select** when no character was chosen — and one plain status word derived
-from the host's own status stream:
-
-`Starting` → `Character select` → `In game` → `Stopped` / `Failed`
-
-Errors keep their own line. Stop keeps its button. Character-refresh
-(probe) rows stay distinguishable from play sessions.
-
-**Acceptance** — launching a character shows account + name + **In game**
-once in world; a character-select launch shows **Character select** until a
-character is entered.
-
----
-
-## Non-goals
-
-- No change to download verification, atomic install, or the session barrier.
-- No change to credential handling (plaintext profile remains the user's decision).
-- No change to Linux graphical gating (Slice L stays parked).
-
-## Working rules for this campaign
-
-- One slice per commit, `dotnet build` + `dotnet test` green before each.
-- Push to main; CI gates on both runners and publishes the release the
- launcher itself updates from — so every slice is testable by the user
- through the shipped path within a few minutes.
-- LU3's deletions and LU5's root cause get shown to the user before they
- land.
-
----
-
-# Implementation notes (recon 2026-08-19, before any code)
-
-These were read out of the tree, not assumed. They exist so each slice
-starts from the mechanism that is already there instead of re-deriving it.
-
-## The self-update restart chain already exists end to end (LU2)
-
-`LauncherUpdater.StageLauncherAsync` stages a verified payload and writes a
-plan. On the next ordinary startup `LauncherSelfUpdateBootstrap.HandleAsync`
-takes the exclusive lease, sees `SelfUpdatePlanState.Staged`, and spawns the
-STAGED launcher in helper mode. `RunHelperAsync` waits for the parent PID to
-exit, applies the replacement, starts the updated launcher with
-`--acdream-self-update-confirm-v1`, and waits for the confirmation receipt.
-
-So "restart after a launcher update" needs no new update machinery. What it
-needs is one seam: after staging succeeds, start the staged helper against
-the CURRENT process and shut down. Extract the existing staged-plan branch of
-`HandleAsync` into a callable entry point and reuse it — do not duplicate it,
-and do not restart by launching a second copy of the launcher and hoping the
-bootstrap picks the plan up, which races the exclusive lease against the
-process that is still shutting down.
-
-## The orchestrator already knows "in game" (LU6)
-
-`LauncherActivityState` has `InWorld`, and the orchestrator already sets it
-from `EnteredWorldStatusEvent`, which carries the real `CharacterId` and
-`CharacterName` from the host. Today that identity is written into a status
-STRING (`"In world as X."`) and thrown away.
-
-LU6 promotes it: the entered-world event updates the activity's character
-name so a character-select launch can show who is actually being played, and
-the row renders one word derived from `LauncherActivityState` rather than the
-raw enum plus the launch mode:
-
-| state | row shows |
-|---|---|
-| `Starting`, `Running` | Starting |
-| `Connected` | Character select |
-| `InWorld` | In game |
-| `Disconnected`, `Stopping` | Stopping |
-| `Exited`, `Cancelled` | Stopped |
-| `Failed` | Failed |
-
-`LauncherActivityKind.Probe` rows stay visually distinct (they are a
-character refresh, not a play session).
-
-## First-run completion has an exact point (LU4)
-
-`FirstRunInstallerViewModel.StartAsync` succeeds at the line that calls
-`_onInstalled(result.Record)` and sets `Phase = LauncherInstallPhase.Completed`.
-That is where the success dialog belongs — after the record is published, so
-the launcher behind it is already in its launch-enabled state when the user
-presses OK. The cancelled and failed branches immediately below it must not
-reach it.
-
-## The launcher side of "launch this character" reads correct (LU5)
-
-Confirmed by reading, so the live repro can skip re-checking these:
-
-- `LauncherOrchestrator.LaunchAsync` -> `CloneCharacter(character, mode)`
- overrides the profile's saved `LaunchMode` with the mode the button asked
- for, so the stored default cannot leak into an explicit launch.
-- `SessionConfigComposer.Compose` builds a selector for every mode except
- `GuiSelect`, preferring a parsed non-zero id over the name.
-- `SessionPlayerComposition` passes the selector into
- `LiveSessionConnectOptions` with `AwaitCharacterSelection: selector is null`,
- and `InteractionRetainedUiComposition` binds the character-selection UI only
- when the selector is null.
-
-The user's stored profiles all carry `launchMode: "guiSelect"` (the default),
-and every cached character has a real id. So the defect is NOT a missing id
-and NOT the saved default overriding the click. Reproduce live before
-changing anything.
diff --git a/docs/release-gate.md b/docs/release-gate.md
deleted file mode 100644
index 583ec863..00000000
--- a/docs/release-gate.md
+++ /dev/null
@@ -1,198 +0,0 @@
-# Complete Release gate
-
-The default release gate is repository-owned and uses the SDK feature band in
-`global.json`:
-
-```powershell
-pwsh ./tools/run-release-gate.ps1
-```
-
-The command verifies that `AcDream.slnx` contains every `.csproj` under `src/`,
-`tests/`, and `tools/`, performs a locked restore, builds that complete graph,
-then discovers and runs every hermetic test in every default test assembly once
-in a fresh Release process. It does not retry failures. Tests carrying an
-explicit non-hermetic `Lane` trait (`InstalledDat`, `PreparedPackage`, `Live`,
-`Manual`, `Timing`, `Windows`, `Linux`, or `SystemFont`), `Purpose=Diagnostic`, or
-`Status=KnownFailure` are excluded from the hermetic total and run through
-their owned lane instead. The graph currently contains 44 projects,
-including all 13 maintained .NET tools; data-dependent tools are built but are
-not executed as tests.
-
-Build and dependency policy is repository-owned:
-
-- `global.json` pins the accepted .NET SDK feature band;
-- `Directory.Build.props` supplies the common target framework, language,
- nullable, analyzer, warnings-as-errors, deterministic-build, and lock-file
- settings;
-- `Directory.Packages.props` is the only direct package-version table;
-- `NuGet.Config` clears machine sources and permits only `nuget.org`; and
-- each supported project commits its own `packages.neutral.lock.json`; shipped
- source projects also commit `packages.win-x64.lock.json` and
- `packages.linux-x64.lock.json` for RID-specific publishes.
-
-The nonstandard neutral name is intentional. NuGet always prefers a
-conventional `packages.lock.json` when one exists, even when
-`NuGetLockFilePath` selects a RID-specific file. Do not introduce conventional
-lock files beside these three repository-owned graphs.
-
-The gate uses `dotnet restore --locked-mode --force-evaluate`. The forced
-evaluation makes the result independent of stale `obj/` assets; locked mode
-still prevents rewriting. If a project or central package version disagrees
-with a committed lock file, restore fails instead of silently changing the
-dependency graph. The launcher's nested Bake publish uses the matching
-RID-specific lock and the same forced locked evaluation.
-
-Each restore, build, and test process has an outer hard timeout. Every test
-also runs with VSTest blame-hang enabled: after three minutes in one test, the
-test host is terminated and a mini dump is collected; after ten minutes, the
-outer watchdog kills the complete `dotnet test` process tree. CI additionally
-has a 45-minute job bound.
-
-Evidence is written to `artifacts/release-gate/`:
-
-- `release-gate-summary.json` records the commit, branch, worktree state, SDK,
- RID, bounds, process outcomes, assembly list, and
- executed/passed/skipped/failed totals;
-- `environment.txt` records `dotnet --info`, configured NuGet sources, and the
- supported project set, package-lock hashes, and discovered test-project set;
-- `test-results/` contains one TRX per assembly plus any VSTest hang sequence
- and dump files;
-- `logs/` contains the exact command and complete output for every child
- process; and
-- `SHA256SUMS.txt` hashes the evidence bundle.
-
-The complete gate runs on Windows because it exercises the full product and
-launcher surface. Hosted GitHub Actions execution is deliberately parked as of
-2026-08-18 while runner policy is decided; the checked-in workflow definitions
-are preserved for later use. Until then, the repository command above is the
-authoritative gate. Focused portability or Vulkan jobs are not substitutes for
-the complete gate.
-
-The JSON summary records the exact test filter. Environment-dependent,
-diagnostic, manual, and known-failure results must be published as their own
-lane and must never be added to the hermetic pass headline.
-
-## The Timing lane
-
-`Lane=Timing` marks tests whose outcome depends on **real elapsed time or OS
-scheduling** rather than on logic: simulated packet-loss soaks, a virtual-clock
-transport session that still waits on wall-clock windows, signalling a real
-child process, orphaned-process restart recovery. They pass on an idle machine
-and fail intermittently under full-assembly load, so they cannot gate a push
-without making the gate untrustworthy.
-
-They are not weakened or deleted — run them deliberately, on a machine that is
-not saturated:
-
-```powershell
-pwsh ./tools/run-release-gate.ps1 -SkipRestore -SkipBuild `
- -TestFilter 'Lane=Timing&Status!=KnownFailure&Purpose!=Diagnostic'
-```
-
-Measured before laning: on the 6-core Linux runner, three stress rounds of the
-full suite failed `GracefulStopSignalSendsSigintToARealChildOnLinux` 3/3 (it
-passes in ~47 ms alone) and two loss-simulation tests 1/3 each. Chasing them one
-at a time did not converge — four separate fixes, each surfacing a different
-member of the same family, and one of those fixes regressed the other platform.
-
-Add to this lane only with evidence that a test fails under load and passes in
-isolation. A test that fails consistently is a bug, not a timing lane member.
-
-## Continuous integration
-
-This document owns the LOCAL gate. Pushes to `main` are gated on self-hosted
-runners and publish alpha releases — see
-[`ci-and-releases.md`](ci-and-releases.md). Note that CI deliberately does NOT
-invoke `run-release-gate.ps1`: that script redirects child output to log files,
-and Forgejo fails a task that stops reporting as a zombie.
-
-## Non-hermetic test lanes
-
-Installed-DAT tests require an explicit opt-in and a retail DAT directory:
-
-```powershell
-$env:ACDREAM_RUN_INSTALLED_DAT_TESTS = '1'
-$env:ACDREAM_DAT_DIR = 'C:\path\to\Asherons Call'
-pwsh ./tools/run-release-gate.ps1 -SkipRestore -SkipBuild `
- -TestFilter 'Lane=InstalledDat&Status!=KnownFailure&Purpose!=Diagnostic'
-```
-
-The prepared-package lane additionally requires a validated `acdream.pak`
-beside the DATs or at `ACDREAM_PAK_PATH`:
-
-```powershell
-$env:ACDREAM_DAT_DIR = 'C:\path\to\Asherons Call'
-$env:ACDREAM_PAK_PATH = 'C:\path\to\acdream.pak'
-pwsh ./tools/run-release-gate.ps1 -SkipRestore -SkipBuild `
- -TestFilter 'Lane=PreparedPackage&Status!=KnownFailure&Purpose!=Diagnostic'
-```
-
-Regenerate all committed UI fixtures through the one comprehensive manual
-generator (the former chat/radar-only generators were redundant):
-
-```powershell
-$env:ACDREAM_REGENERATE_UI_FIXTURES = '1'
-$env:ACDREAM_DAT_DIR = 'C:\path\to\Asherons Call'
-dotnet test tests/AcDream.App.Tests/AcDream.App.Tests.csproj -c Release `
- --filter 'Lane=Manual&ManualTask=FixtureGeneration'
-```
-
-The retained live-DAT probes are manual evidence, not InstalledDat regression
-contracts. Run each opt-in family independently so a probe command can never
-regenerate fixtures as a side effect:
-
-```powershell
-$env:ACDREAM_DAT_DIR = 'C:\path\to\Asherons Call'
-$env:ACDREAM_PROBE_LIVE_MOUNT = '1'
-dotnet test tests/AcDream.App.Tests/AcDream.App.Tests.csproj -c Release `
- --filter 'Lane=Manual&ManualTask=LiveMountProbe'
-
-$env:ACDREAM_PROBE_POWERBAR = '1'
-dotnet test tests/AcDream.App.Tests/AcDream.App.Tests.csproj -c Release `
- --filter 'Lane=Manual&ManualTask=PowerbarProbe'
-```
-
-Known failures (`Status=KnownFailure`) are never part of a green release total.
-Run them explicitly with their prerequisite lane configured; a failure is
-expected until the linked defect is fixed. Diagnostic apparatus
-(`Purpose=Diagnostic`) likewise reports separately and does not inflate the
-contract-test pass count.
-
-The current diagnostic apparatus lives in App and Core. It is retained for
-investigation output, and several methods require installed DATs:
-
-```powershell
-dotnet test tests/AcDream.App.Tests/AcDream.App.Tests.csproj -c Release `
- --filter 'Purpose=Diagnostic&Lane!=Manual'
-dotnet test tests/AcDream.Core.Tests/AcDream.Core.Tests.csproj -c Release `
- --filter 'Purpose=Diagnostic&Lane!=Manual'
-```
-
-Operating-system contracts are likewise explicit. Run `Lane=Windows` on a
-Windows host and `Lane=Linux` on a native Linux host; a lane is not portable
-evidence when executed on the other operating system.
-
-`Lane=SystemFont` exercises the BitmapFont path against a host-provided TTF.
-It is separate because the supported runtime can legitimately have none of the
-well-known development fonts installed.
-
-## Updating dependencies
-
-Do not edit lock files by hand. To make an intentional dependency change:
-
-1. Change the version once in `Directory.Packages.props` (or add/remove a
- versionless `PackageReference` in a project).
-2. Regenerate the neutral graph and both supported release-RID graphs from the
- repository root:
-
- ```powershell
- pwsh ./tools/update-package-locks.ps1
- ```
-
-3. Review the central-version and `packages.*.lock.json` diffs.
-4. Prove locked resolution and run the gate:
-
- ```powershell
- dotnet restore AcDream.slnx --locked-mode --force-evaluate
- pwsh ./tools/run-release-gate.ps1
- ```
diff --git a/docs/research/2026-06-11-building-render-acdream-vs-retail-comparison.md b/docs/research/2026-06-11-building-render-acdream-vs-retail-comparison.md
index cf7617a8..2e5011b1 100644
--- a/docs/research/2026-06-11-building-render-acdream-vs-retail-comparison.md
+++ b/docs/research/2026-06-11-building-render-acdream-vs-retail-comparison.md
@@ -371,7 +371,7 @@ area files.
> (`ObjectMeshManager.PrepareGfxObjMeshData:1046`,
> `PrepareCellStructMeshData:1394`, `CellMesh.Build:44`,
> `GfxObjMesh.Build:71`), and the fills have no negative surface
-> (`Diagnostic_ReplicateProductionEmission_OnPortalFills`: pos=False/neg=False for every
+> (`ReplicateProductionEmission_OnPortalFills`: pos=False/neg=False for every
> fill). The equivalence pin (`StipplingSurfaceEquivalenceTests`, 2,607
> polys, 0 violations) proves our build-time skip ⇔ retail's draw-time
> `skipNoTexture` on this content. Consequences: the ledger rows
diff --git a/docs/research/2026-06-16-ui-item-slot-icon-dragdrop-spine-deep-dive.md b/docs/research/2026-06-16-ui-item-slot-icon-dragdrop-spine-deep-dive.md
index 868692a3..127f077d 100644
--- a/docs/research/2026-06-16-ui-item-slot-icon-dragdrop-spine-deep-dive.md
+++ b/docs/research/2026-06-16-ui-item-slot-icon-dragdrop-spine-deep-dive.md
@@ -141,19 +141,6 @@ internal element states `SetDragAcceptState` writes — both are real; the Layou
states and the `0x1000003x/4x` UIStateIds are the same overlay seen from the dat side vs.
the C++ side. CONFIRMED.
-> **Correction 2026-08-08 (spell-bar drop-ring research):** the parenthetical
-> above has the accept/reject ids SWAPPED. The true mapping is
-> `ItemSlot_DragOver_Accept = 0x10000040 → 0x060011F9` and
-> `ItemSlot_DragOver_Reject = 0x10000041 → 0x060011F8`, confirmed by
-> DatReaderWriter's retail-derived `UIStateId` enum, by the legal/illegal
-> branches of `gmPaperDollUI::HandlePaperDollDragOver` @ 0x004A3AC9/0x004A3AEB
-> and `VendorSellUI::OnItemListDragOver` @ 0x004C2327/0x004C2336, and by the
-> machine layout dump (`2026-06-25-retail-ui-layout-dump.json`, states
-> 268435520/268435521 on elements 0x1000046D/0x1000046C). The table row's
-> name→art column above was always right; only this paragraph's numeric
-> pairing was inverted (and propagated into
-> `2026-07-13-retail-item-drag-visuals-pseudocode.md`, corrected the same day).
-
### 2.3 Key methods + the update pass (`UIItem_Update`, decomp 230226)
`UIItem_Update` is the per-change refresh; the controller calls it whenever the bound
diff --git a/docs/research/2026-07-06-176-177-handoff-A7-lighting.md b/docs/research/2026-07-06-176-177-handoff-A7-lighting.md
index 47ab117f..54dceac5 100644
--- a/docs/research/2026-07-06-176-177-handoff-A7-lighting.md
+++ b/docs/research/2026-07-06-176-177-handoff-A7-lighting.md
@@ -83,7 +83,7 @@ draw the purple lightning over the floor"):
3. **Striped floor z-fight-like artifact.** User's 2nd screenshot: regular
magenta bands across one floor region, "like something is fighting to draw
the purple over the floor." **NOT attributed.** Ruled out: not coincident dat
- geometry (the `Diagnostic_CorridorNeighborhood_CoplanarOverlappingDrawnPolyPairs` sweep
+ geometry (the `CorridorNeighborhood_CoplanarOverlappingDrawnPolyPairs` sweep
found only the legit z=−12 under-hall floor quad-fan, nothing near the −6
corridor floor); not a striped texture (all corridor surfaces are plain
`Base1Image` stone 0x08000375/6/7/8). Leading guess: two draws of the same
@@ -116,7 +116,7 @@ draw the purple lightning over the floor"):
stair geometry owner (`0x8A020182`'s ramp shell, vertical portals, ZERO
statics), CellBSP containment (partitions exactly at portal planes),
under-hall + corridor drawn-poly surface colors, DXT1 alpha histograms (0
- transparent texels), and `Diagnostic_CorridorNeighborhood_CoplanarOverlappingDrawnPolyPairs`
+ transparent texels), and `CorridorNeighborhood_CoplanarOverlappingDrawnPolyPairs`
(the stripe-geometry sweep — came back empty for the −6 floor).
- **`tests/AcDream.App.Tests/Rendering/Issue176177FacilityHubFloodReplayTests.cs`**
— production-matched portal-flood replays (approach/descent/gaze-sweep/walk +
diff --git a/docs/research/2026-07-06-176-seam-floor-zfight-handoff.md b/docs/research/2026-07-06-176-seam-floor-zfight-handoff.md
index 9aa5faf0..d9d84533 100644
--- a/docs/research/2026-07-06-176-seam-floor-zfight-handoff.md
+++ b/docs/research/2026-07-06-176-seam-floor-zfight-handoff.md
@@ -48,7 +48,7 @@ NOT throw more lighting fixes at it (two already did nothing).
| Lighting **selection** | `SelectForCell` (all dynamic lights per cell, retail-exact) → **no visual change** |
| Light-set **camera-cap churn** (the OLD "confirmed" #176 theory) | visible-cell scoping shipped (`c500912b`); probe-proven ~285 through-floor lights dropped/frame — symptom unchanged. **REFUTED.** |
| **Membership / the "flap"** | `ACDREAM_PROBE_FLAP`: render cell = `0x8A020164` on **100%** of 188,732 frames across **526 distinct camera angles**, `res=None` always; `ACDREAM_PROBE_PVINPUT` flood is stable-per-angle (17/10/8…), never oscillates at a fixed view; 1 `[cell-transit]` (the spawn teleport) total |
-| **Dat-geometry z-fight** | `Issue176177DungeonSeamInspectionTests.Diagnostic_CorridorNeighborhood_CoplanarOverlappingDrawnPolyPairs` seeded on the ACTUAL cell `0x8A020164` + neighbors → **zero** coplanar drawn pairs at the z=−6 corridor floor (only the benign same-cell z=−12 under-hall floor tiling in `0x011E`) |
+| **Dat-geometry z-fight** | `Issue176177DungeonSeamInspectionTests.CorridorNeighborhood_CoplanarOverlappingDrawnPolyPairs` seeded on the ACTUAL cell `0x8A020164` + neighbors → **zero** coplanar drawn pairs at the z=−6 corridor floor (only the benign same-cell z=−12 under-hall floor tiling in `0x011E`) |
| A2C / alpha-hole see-through | corridor floor surface `0x08000377` is **fully opaque** (`alpha0Texels=0`, `transl=0.00`) |
| Translucent under-surface blend | the one translucent colored surface `0x08000034` is `NoPos` (not drawn) |
| Flat (per-face) normals | corridor floor uses **smooth per-vertex dat normals** (center `(0,0,1)`, corners tilted ~27° — retail-style edge smoothing), NOT flat (`CellVertexNormals_SmoothOrFaceted_Dump`) |
@@ -129,7 +129,7 @@ RenderDoc (do NOT assume — capture and read):
- `ACDREAM_PROBE_INDOOR_LIGHT=1` — `[indoor-light]` scoped-pool SET composition.
- `tools/cdb/issue176-floor-light.cdb` — retail light-setup trace.
- `Issue176177DungeonSeamInspectionTests` — dat truth (coplanar sweep, floor
- surfaces, vertex normals); `Diagnostic_CorridorNeighborhood_CoplanarOverlappingDrawnPolyPairs`
+ surfaces, vertex normals); `CorridorNeighborhood_CoplanarOverlappingDrawnPolyPairs`
seed = `{0164,0165,016E,017A}`+neighbors.
## Repro + launch protocol
diff --git a/docs/research/2026-07-13-retail-item-drag-visuals-pseudocode.md b/docs/research/2026-07-13-retail-item-drag-visuals-pseudocode.md
index e7c8adf2..d1ca97ad 100644
--- a/docs/research/2026-07-13-retail-item-drag-visuals-pseudocode.md
+++ b/docs/research/2026-07-13-retail-item-drag-visuals-pseudocode.md
@@ -79,28 +79,12 @@ if target list is a container selector
target.SetDragAcceptState(0x10000046) # ItemSlot_DragOver_DropIn
# 0x060011F7 green arrow
else if target accepts an ordinary item-list placement:
- target.SetDragAcceptState(0x10000040) # ItemSlot_DragOver_Accept
+ target.SetDragAcceptState(0x10000041) # ItemSlot_DragOver_Accept
# 0x060011F9 green circle
else:
- target.SetDragAcceptState(0x10000041) # ItemSlot_DragOver_Reject
- # 0x060011F8 reject
+ target.SetDragAcceptState(0x10000040) # 0x060011F8 reject
```
-> **Correction 2026-08-08 (spell-bar drop-ring research):** the block above
-> originally had the Accept/Reject numeric ids swapped (`0x10000041` labeled
-> Accept, `0x10000040` labeled reject). Three primary sources agree the true
-> mapping is `ItemSlot_DragOver_Accept = 0x10000040 → 0x060011F9` and
-> `ItemSlot_DragOver_Reject = 0x10000041 → 0x060011F8`: DatReaderWriter's
-> retail-derived `UIStateId` enum; the legal/illegal branches in
-> `gmPaperDollUI::HandlePaperDollDragOver` (`AutoWearIsLegal` → 0x10000040
-> @ 0x004A3AC9, else 0x10000041 @ 0x004A3AEB) and
-> `VendorSellUI::OnItemListDragOver` (`DragItemAcceptable` → 0x10000040
-> @ 0x004C2327, else 0x10000041 @ 0x004C2336); and the machine layout dump
-> (`2026-06-25-retail-ui-layout-dump.json`: state 268435520 = 0x10000040 →
-> image 0x060011F9, state 268435521 = 0x10000041 → 0x060011F8). The
-> art-per-semantic mapping in the shipped code was always correct; only the
-> numeric labels here were swapped.
-
Therefore the backpack contents grid uses the green circle; the side-bag column
and main-pack container cell use the green drop-in arrow. The selected/open
indicators remain visible while `m_elem_Icon_Ghosted` is active, so the
diff --git a/docs/research/2026-07-16-portal-completion-pseudocode.md b/docs/research/2026-07-16-portal-completion-pseudocode.md
index 67e94929..77465aa5 100644
--- a/docs/research/2026-07-16-portal-completion-pseudocode.md
+++ b/docs/research/2026-07-16-portal-completion-pseudocode.md
@@ -206,56 +206,25 @@ which confirms that worker completion alone is not draw readiness.
### 2.1. Destination placement enters the spatial cell before simulation resumes
-> **2026-08-04 correction (C4 route 3, D-T9), itself corrected 2026-08-05
-> (R6 retail review):** the listing below attributes portal arrival to
-> `player.enter_world(destination)`. That is wrong — a caller sweep of the
-> named retail decomp
-> (`docs/research/named-retail/acclient_2013_pseudo_c.txt:93770-93828`) shows
-> both `CPhysicsObj::enter_world` call sites (pseudo-C `:93797` @0x004550EC
-> and `:93824` @0x00455095) living inside **`SmartBox::HandleCreateObject`
-> @0x00454C80** — `CObjectMaint::CreateObject` @0x00454FD8 is merely a
-> *callee* it invokes partway through, not the enclosing function the first
-> correction pass named. The two call sites are also **not both in the
-> player branch**: @0x004550EC sits in the `if (arg3 != this->player_id)`
-> NON-player branch (`PhysicsDesc::get_position` → `enter_world` for a
-> newly-created REMOTE object); only @0x00455095 sits in the player branch,
-> after `SmartBox::init_player` + `CellManager::ChangePosition`. Both sites
-> are the LOGIN/CreateObject path that creates a physics object for the
-> first time — neither is portal arrival. Portal arrival is
-> `SmartBox::TeleportPlayer` (`0x00453910`) → `CPhysicsObj::SetPositionSimple`
-> (`0x00453924`/`0x005162B0`) — confirmed by C4 route 3's own §1 citations
-> and grep at `acclient_2013_pseudo_c.txt:92514-92521`. The conclusion below
-> (commit the cell before releasing simulation) is unaffected —
-> `SetPositionSimple` reaches the identical `change_cell`/`update_object`
-> machinery this section describes — only the entry-point name and
-> pseudocode's `enter_world` call are wrong; read `SetPositionSimple(destination)`
-> wherever this section says `enter_world(destination)`.
->
-> This routing is `SmartBox::TeleportPlayer` → `SetPositionSimple`
-> everywhere; nothing in the passages below distinguishes retail's specific
-> Recall/Lifestone/GM-teleport CAUSES, since they all funnel through the same
-> accepted-destination Position at this layer.
-
Named retail references:
- `CPhysicsObj::change_cell` at `0x00513390`
- `CPhysicsObj::update_object` at `0x00515D10`
-- `SmartBox::TeleportPlayer` at `0x00453910`
-- `CPhysicsObj::SetPositionSimple` at `0x005162B0`
+- `CPhysicsObj::enter_world` at `0x00516170`
- `CPhysicsObj::prepare_to_enter_world` at `0x00511FA0`
- `CPhysicsObj::set_hidden` at `0x00514C60`
Retail does not separate an accepted destination Position from the object's
-live cell pointer. `SetPositionSimple` installs the object in its destination
-`CObjCell`, before the PartArray and MovementManager enter-world boundaries
-complete. `update_object` then rejects only a parented object, a null `cell`,
-or a Frozen object; Hidden is not a reason to skip the
+live cell pointer. `enter_world` runs `SetPosition`, which installs the object
+in its destination `CObjCell`, before the PartArray and MovementManager
+enter-world boundaries complete. `update_object` then rejects only a parented
+object, a null `cell`, or a Frozen object; Hidden is not a reason to skip the
ScriptManager/ParticleManager tail.
```text
accepted portal destination becomes ready:
- SmartBox.TeleportPlayer(destination)
- SetPositionSimple(destination)
+ player.enter_world(destination)
+ SetPosition(destination)
change_cell(destination CObjCell)
PartArray.HandleEnterWorld()
MovementManager.HandleEnterWorld()
diff --git a/docs/research/2026-07-29-remote-and-world-specials-pseudocode.md b/docs/research/2026-07-29-remote-and-world-specials-pseudocode.md
deleted file mode 100644
index 6e282000..00000000
--- a/docs/research/2026-07-29-remote-and-world-specials-pseudocode.md
+++ /dev/null
@@ -1,1176 +0,0 @@
-# Research: Campaign P Slices P3 (remote-object residuals) and P4 (world specials)
-
-**Filed:** 2026-07-29. **Scope:** research only — no source files modified, no
-build/test run. Ghidra MCP was checked at both `127.0.0.1:8081` and
-`127.0.0.1:8080` and was **unreachable** at research time (`curl` exit 7,
-connection refused on both ports) — every citation below comes from
-`docs/research/named-retail/acclient_2013_pseudo_c.txt` (Binary Ninja
-pseudo-C) cross-checked against `references/ACE/Source/ACE.Server/Physics/`
-where available. Any place BN's decompile is ambiguous and I could not
-resolve it against ACE is flagged explicitly as an **open question** rather
-than guessed.
-
-All addresses are the Sept 2013 EoR build (matches `refs/acclient.pdb`).
-Line numbers are into `acclient_2013_pseudo_c.txt` unless noted.
-
----
-
-## 0. Binding context copied from the physics/collision digest
-
-Per CLAUDE.md, the digest's DO-NOT-RETRY guidance is binding on this
-research and on whichever agent ports it. Copied verbatim (paraphrased where
-noted) from `claude-memory/project_physics_collision_digest.md` (3-day-old
-snapshot — verify against current code before treating as fact, which this
-doc does throughout):
-
-- **TS-46 / window-climb DO-NOT-RETRY (2026-07-06, `aa96d7ad`):** the player
- capsule top was fixed by callers passing `sphereHeight: 1.835` (not `1.2`);
- `SpherePath.InitPath` itself was **untouched** so captured-1.2 replay
- fixtures stay identical. The dat human Setup `0x02000001` spheres are
- **`(0,0,0.475) r=.48`** and **`(0,0,1.350) r=.48`** (top = Height = 1.835).
- Retail uses the list verbatim via `CPhysicsObj::transition` (0x00512dc0) →
- `init_sphere`. The window climb itself was **not** a step-up-budget bug —
- do not add a height-budget check to the step-down accept path when
- revisiting this area.
-- **AD-25 rebuild DO-NOT-RETRY (2026-07-07, `8bb8b204`→`54d56229`):** the
- bleed mechanism is `frames_stationary_fall` (fsf), **not**
- `cached_velocity` — `cached_velocity = (resolved−old)/dt` is a separate
- retail reporting value read only by `get_velocity`, never fed to the
- integrator; acdream correctly keeps both `Velocity` and `CachedVelocity`
- fields — do not collapse them. `PhysicsObjUpdate.HandleAllCollisions` is
- the ported function; the velocity response is gated on `candidateMoved`
- (retail pc:283657) — skipping the response when the candidate didn't move
- lets gravity rebuild the velocity instead of re-zeroing it, or the body
- re-wedges. This rebuild is what P3.2 must extend to the remote sweep, not
- re-derive from scratch.
-- **#184 remote de-overlap DO-NOT-RETRY (2026-07-08, Slice 3):** creatures
- are **Sphere-type**, not cylinders, for collision response — do not touch
- registration when working the mover-side (`ObjectInfo`) flags. Retail's
- own crowd "pincer" (player starts inside two overlapping spheres) wedges
- in retail too (`validate_transition` 0x0050aa70:272593 restores
- `curr_pos` on any non-clean-OK step) — this is not a bug to chase.
-- **feedback_retail_per_cell_shadow_list:** retail collision is a per-cell
- `shadow_object_list`, portal-flood-registered. acdream's `ShadowObjectRegistry`
- approximates but does not fully replicate this — relevant background for
- #165 (a wrong membership/registration theory is the #1 historical false
- lead in this codebase; verify collision-set membership before touching
- response math).
-- **feedback_apparatus_for_physics_bugs:** 3 failed speculative fixes on any
- item below = STOP and build capture/replay apparatus (`ACDREAM_PROBE_RESOLVE`,
- `ACDREAM_CAPTURE_RESOLVE`) before a 4th attempt. This applies most acutely
- to #165 (see §2.3).
-- **feedback_bn_decomp_field_names:** BN's heuristic field names, bitfield
- mush, and stack-slot mis-attribution for many-argument `__thiscall`s are a
- known artifact class. Section 3.1 below (AP-71's `restriction_obj`) hits
- this directly — the same field name is used for two apparently different
- purposes in two different functions, and I did not resolve it (Ghidra MCP
- down); flagged as an open question, not guessed.
-- **feedback_verify_subagent_claims_against_source:** every code claim below
- was verified by reading the actual current file at the cited path/line as
- part of this research pass (2026-07-29), not carried from memory.
-
----
-
-## 1. P3.1 — TS-46: verbatim Setup sphere list into the transition
-
-### 1.1 Retail: `CPhysicsObj::transition` seeds the SpherePath from Setup
-
-`CPhysicsObj::transition` (0x00512dc0, lines 280904–280957):
-
-```c
-CTransition* CPhysicsObj::transition(CPhysicsObj* this, Position* arg2 /*start*/,
- Position* arg3 /*end*/, int32_t arg4 /*state*/)
-{
- CTransition* result = CTransition::makeTransition();
- if (result == 0) return 0;
-
- init_object(result, this, get_object_info(this, result, arg4));
-
- CPartArray* pa = this->part_array;
- uint32_t numSphere = (pa != 0) ? CPartArray::GetNumSphere(pa) : 0;
-
- if (pa == 0 || numSphere == 0)
- init_sphere(result, /*count=*/1, &dummy_sphere, /*scale=*/1.0f);
- else
- {
- float scale = this->m_scale;
- CSphere* spheres = CPartArray::GetSphere(pa); // Setup's authored list
- init_sphere(result, CPartArray::GetNumSphere(pa), spheres, scale);
- }
-
- init_path(result, this->cell, arg2, arg3);
- // frames_stationary_fall seed from transient_state bits 0x10/0x20/0x40 ...
- if (find_valid_position(result) != 0) return result;
- return 0;
-}
-```
-
-**FACT.** The sphere source is `CPartArray::GetSphere(part_array)` — the
-Setup's *own* CSphere array — not a two-scalar (radius, height)
-reconstruction. `CPartArray::GetNumSphere` bounds it (see below, `≤ 2`).
-
-### 1.2 Retail: `SPHEREPATH::init_sphere` (0x0050c670, lines 274093–274128)
-
-```c
-void SPHEREPATH::init_sphere(SPHEREPATH* this, uint32_t count, CSphere* src, float scale)
-{
- this->num_sphere = (count <= 2) ? count : 2; // HARD CAP AT 2
- for (i = 0; i < this->num_sphere; i++)
- {
- this->local_sphere[i].center = src[i].center * scale; // per-sphere scale
- this->local_sphere[i].radius = src[i].radius * scale;
- }
- // local_low_point = local_sphere[0].center, .z -= local_sphere[0].radius
- this->local_low_point = { local_sphere[0].center.x, local_sphere[0].center.y,
- local_sphere[0].center.z - local_sphere[0].radius };
-}
-```
-
-**FACT.** Each of the (≤2) spheres carries its **own origin and radius**,
-each independently scaled by `m_scale` (the object's wire `ObjScale`). This
-is a genuine list, not a symmetric two-scalar capsule — a creature whose
-foot sphere and head sphere have different radii (or non-collinear origins)
-is representable in retail and is NOT representable in acdream's current
-`(radius, height)` API.
-
-### 1.3 acdream's current API — the two-scalar reconstruction
-
-`SpherePath.InitPath` in `src/AcDream.Core/Physics/TransitionTypes.cs` takes
-`(sphereRadius, sphereHeight)` and reconstructs:
-- foot sphere: center `(0,0,radius)`, radius `radius`
-- head sphere: center `(0,0,height − radius)`, radius `radius`
-
-This assumes **one radius for both spheres** and derives the head center
-purely from `height`. Every `ResolveWithTransition` caller passes these two
-scalars:
-
-| Caller | File:line | Radius/height source |
-|---|---|---|
-| Local player | `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:1372` (call at `:1382` `moverFlags:`), `:1795` (call at `:1822`) | `ApplyStepHeights` in `src/AcDream.App/Input/PlayerModeController.cs:533-565` reads `Setup.StepUpHeight`/`Setup.StepDownHeight` (see §1.5) but the RADIUS/HEIGHT scalars themselves are set elsewhere — human Setup 0x02000001 hardcode (0.48/1.835), confirmed correct for the human Setup per the TS-46 window-climb fix. |
-| Remote (grounded/airborne DR sweep) | `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:343` (moverFlags at `:372`), `:697` (moverFlags at `:707`) | `GetSetupCylinder` — `(setup.Radius, setup.Height) × ObjScale` (a single radius, not the sphere list) — Slice 3 (#184) narrowing. Falls back to human 0.48/1.835 if `deR < 0.05f`. |
-| Ordinary (non-remote-DR, non-projectile) | `src/AcDream.Runtime/Physics/RuntimeOrdinaryPhysicsUpdater.cs:127` (moverFlags at `:137`) | same `radius, height` pattern (params to the method), Setup-sourced by its caller. |
-| Projectile | `src/AcDream.Core/Physics/ProjectilePhysicsStepper.cs:336` | Setup-local **single**-sphere sweep — already list-correct because retail projectile Setups (arrow/bolt/spell) install exactly one sphere; documented in the live-entity-runtime memory ("Setup shapes ... not always centered"). Out of TS-46's scope — already faithful for the 1-sphere case.
-| Camera probe | `src/AcDream.App/Rendering/PhysicsCameraCollisionProbe.cs:49` (moverFlags at `:68`) | fixed viewer sphere, not Setup-driven — retail's viewer path also uses a synthetic single sphere (`viewer_sphere`, line 92865) — **not** in TS-46's scope. |
-
-`GetSetupCylinder` (grep-confirmed): `src/AcDream.App/Physics/LiveEntityMotionRuntimeController.cs` — returns `(setup.Radius, setup.Height)`, i.e. it already reads DAT Setup fields for radius/height, but those are the Setup's **cylinder** fields (`CSetup.Radius`/`CSetup.Height`, used for e.g. selection/picking), not the **sphere list** (`CSetup.Spheres[]`, a parallel/different field). Confirming this distinction requires reading `DatReaderWriter.DBObjs.Setup`'s actual field set (not done in this pass — flagged in §5).
-
-### 1.4 API-migration sketch (two scalars → sphere list)
-
-**Goal:** `SpherePath.InitPath` should accept `IReadOnlyList<(Vector3 Center, float Radius)>` (≤2 elements, scaled by `ObjScale` by the caller — matching retail applying `m_scale` inside `init_sphere` itself) instead of `(sphereRadius, sphereHeight)`.
-
-Two migration shapes, in order of preference:
-
-1. **Overload, not replacement.** Add `SpherePath.InitPath(IReadOnlyList spheres, ...)` alongside the existing `(radius, height)` overload; keep the existing overload as a thin wrapper that synthesizes a 2-sphere list `[(0,0,radius),(0,0,height-radius)]` — i.e. the CURRENT behavior becomes an explicit degenerate case of the new API, not a separate code path. This is the safer "integrate surgically" shape: `ResolveWithTransition`'s signature can add an optional `IReadOnlyList<(Vector3,float)>? sphereList = null` parameter that, when supplied, bypasses the scalar reconstruction.
-2. **Replace the scalar overload's callers one at a time**, starting with the local player (Setup already resolved in `PlayerModeController.ApplyStepHeights` — the sphere list is one more DAT read away, `setup.Spheres`), then remote (Setup already resolved via `GetSetupCylinder`'s call site — same Setup object, just also read `.Spheres`), then ordinary.
-
-Either shape preserves the **captured replay fixtures**: for the human
-Setup, the 2-sphere reconstruction from `(0.48, 1.835)` is `(0,0,0.48)r=.48`
-+ `(0,0,1.355)r=.48` — a **5 mm** head-center offset from the dat's actual
-`(0,0,1.350)`. Fixtures captured against the CURRENT scalar path will not
-bit-match a sphere-list port; TS-46's own register row already documents
-this 5 mm gap as the "residual." Re-baselining those fixtures is therefore
-an **expected, argued** re-baseline (the register row is the argument), not
-silent fixture drift — but it must be called out explicitly in the porting
-commit per the digest rule.
-
-### 1.5 Where retail derives step-up/step-down height — THE KEY FINDING
-
-**FACT, fully resolved — acdream already has the exact retail mechanism,
-and the local-player half is already wired.**
-
-Retail chain:
-```
-OBJECTINFO::init (0x0050cf30, lines 274432-274463)
- this->step_up_height = CPhysicsObj::GetStepUpHeight(arg2) // 0x0050ea00
- this->step_down_height = CPhysicsObj::GetStepDownHeight(arg2) // 0x0050ea20
-
-CPhysicsObj::GetStepUpHeight (0x0050ea00, lines 276292-276302)
- if (this->part_array == 0) return; // (leaves object_info field untouched)
- return CPartArray::GetStepUpHeight(part_array); // TAILCALL
-
-CPartArray::GetStepUpHeight (0x005180d0, lines 286168-286179)
- if (this->setup == 0) return setup; // null
- return this->setup->step_up_height * this->scale; // BN mangled the FP
- // return into dead
- // stack-stores; the
- // arithmetic is a
- // scaled-by-object-
- // scale Setup field
- // read — see below.
-```
-
-(`CPartArray::GetStepDownHeight`, 0x005180f0, lines 286183-286194, is the
-identical shape for `setup->step_down_height`.)
-
-The **BN mush note**: the decompiled body literally prints
-```c
-setup->step_up_height;
-this->scale;
-return setup;
-```
-i.e. it shows the two field reads as dead statements and returns the
-`CSetup*` pointer, because the real x87-register return value (`st0`) isn't
-tracked through the `__fastcall` tail the way BN's SSA expects. This is
-`feedback_bn_decomp_field_names` class 2 (x87-stack misread). The two
-adjacent field reads with no other use, immediately followed by a `return`
-of a pointer whose only remaining live use is as a "did we bail early"
-sentinel, is the standard BN shape for "return `a * b`" — I treat the
-multiplication as **INFERENCE** (very high confidence, matches the
-established pattern used identically at `GetStepDownHeight` and at
-`CPartArray::GetHeight`, line ~286153, which BN renders the SAME way for a
-confirmed-scaled field) but flag it as not 100%-certain without a Ghidra
-cross-check (currently unreachable) or a cdb dump of `st0` at
-`0x005180dd`/`0x005180fd`.
-
-Fallback/gate: `CTransition::step_up` (0x0050b610, lines 273099-273133) and
-the step-down poly-hit path (lines 273240-273338) both default
-`step_up_height`/`step_down_height` to the **literal `0.0399999991f` (0.04
-m)**, and only read `object_info.step_up_height`/`step_down_height` (the
-Setup-derived value above) when `object_info.state & 2` is set (bit 0x2 —
-this is `ObjectInfoState.OnWalkable` in acdream's own enum,
-`src/AcDream.Core/Physics/TransitionTypes.cs:28`). There is also a
-`radius × 0.5` clamp in the poly-hit step-down branch (line 273840:
-`step_down_height = local_sphere->radius * 0.5f` when the initial
-`step_down_height` compare fails) — this clamp path was not fully traced in
-this pass (see §5).
-
-**acdream already ports this shape, mostly correctly:**
-
-- `ObjectInfo.StepUpHeight`/`StepDownHeight` fields exist
- (`src/AcDream.Core/Physics/TransitionTypes.cs:53-54`) with **defaults
- matching retail's literal fallback** (`0.01f` / `0.04f` — note: 0.01 not
- 0.04 for step-up; retail's step-up fallback constant was not independently
- found in this pass, only the step-down `0.0399999991f` at line 273109/273252
- — flagged in §5).
-- **The local player already reads the real Setup values.**
- `src/AcDream.App/Input/PlayerModeController.cs:533-565`
- (`ApplyStepHeights`) resolves the player's own `Setup` DAT object and sets
- `controller.StepUpHeight = setup.StepUpHeight > 0 ? setup.StepUpHeight : 0.4f`
- (same for StepDown), i.e. **this is already the retail mechanism**,
- modulo two gaps: (a) the ×`this->scale` multiply from
- `CPartArray::GetStepUpHeight` is not applied (the raw dat field is used
- unscaled — a real but probably tiny divergence since player ObjScale is
- usually 1.0), and (b) the 0.4 fallback (not retail's 0.04) when Setup is
- absent — this 0.4 literal is a pre-existing acdream constant unrelated to
- retail's actual 0.04 fallback; likely a deliberate "coarser is safer"
- choice from before TS-46 was understood, not argued in a register row.
-- **The remote and ordinary paths do NOT read Setup at all** — both
- `RuntimeRemotePhysicsUpdater.cs:347-348` and (implicitly, via its
- `ResolveWithTransition` call) `RuntimeOrdinaryPhysicsUpdater.cs` hardcode
- `stepUpHeight: 0.4f, stepDownHeight: 0.4f` as literal constants at the
- call site, with an explicit comment at `RuntimeRemotePhysicsUpdater.cs:335-336`:
- *"stepUp/stepDown stay 0.4 (retail derives those from the Setup too — an
- adjacent divergence left as-is)"* — this is the acdream team's own
- existing acknowledgment of exactly this gap, already written down before
- this research pass.
-
-**Conclusion for P3.1's step-height sub-question:** the port is a **plumbing
-job, not a research job** — the retail formula, the acdream field shape, and
-even a correct reference implementation (the local player's
-`ApplyStepHeights`) already exist in the tree. The work is: (1) apply the
-same Setup-read-with-0.4-fallback pattern to the remote and ordinary
-callers (reusing the Setup object already fetched for `GetSetupCylinder`),
-and (2) decide whether to add the `× ObjScale` multiply that
-`CPartArray::GetStepUpHeight` performs and that the player path currently
-skips (recommend yes, for full parity, with a conformance test pinning a
-non-1.0-scale creature).
-
----
-
-## 2. P3.2 — AD-25 + #165: remote collision response
-
-### 2.1 Retail: `handle_all_collisions` is ONE function, used uniformly
-
-`CPhysicsObj::handle_all_collisions` (0x00514780, lines 282647-282760) is a
-plain `CPhysicsObj` member — there is no player-only or remote-only variant
-in retail. It has exactly two call sites, both inside `CPhysicsObj::SetPositionInternal`
-overloads:
-
-- Line 283524 (inside the single-arg `SetPositionInternal(CTransition*)`
- overload, itself called recursively from the full overload at line
- 283942): `handle_all_collisions(this, &edi->collision_info, transient_state & 1, transient_state & 2)`
- — i.e. **args 3/4 come from the object's own `transient_state`
- CONTACT_TS/ON_WALKABLE_TS bits BEFORE this call**, not a hardcoded
- before/after pair.
-- Line 283934 (inside `SetPositionInternal(Position*, SetPositionStruct*, CTransition*)`,
- the placement-failure branch): `handle_all_collisions(this, &edi->collision_info, 0, 0)`
- — forced "was not in contact, was not on walkable" when a placement
- attempt fails outright.
-
-Both call sites run for **any** `CPhysicsObj` — player, NPC, remote, door,
-prop. There is no retail fork by mover type.
-
-Body (already fully transcribed and analyzed in Core, see §2.2), the
-reflect-vs-suppress gate:
-```c
-// var_10_1 (lines 282653-282657) — reflect UNLESS "prev grounded AND now
-// grounded AND not [some 0x20000 state bit]":
-var_10_1 = 1;
-if (arg4 != 0 && (transient_state & 2) != 0) var_10_1 = 0;
-if (arg4 == 0 || (transient_state&2)==0 || (this->state & 0x20000) != 0)
- var_10_1 = 1;
-// net: var_10_1 == 0 iff arg4!=0 && (ts&2)!=0 && (state&0x20000)==0
-```
-Line 282656's literal shows as the string constant
-`"activation type (%s) with '%s' b…"` — a BN string-constant-folding
-artifact colliding with the actual bitmask; the REAL mask is confirmed by
-the later, unambiguous use at line 282701: `if ((this->state & 0x20000) == 0)`
-inside the same reflect-vs-zero branch. **FACT** (cross-confirmed by the
-unambiguous second read of the same bit): the gate is
-`shouldReflect = !(prevOnWalkable && nowOnWalkable && !bit0x20000)`.
-
-`0x20000` on `CPhysicsObj.state` (not `ObjectInfo.state` — a different
-bitfield) is very likely `PhysicsStateFlags.Sledding` by elimination (it is
-the only state bit acdream's own port names in this exact role — see
-`PhysicsObjUpdate.HandleAllCollisions`'s `sledding` variable below) but this
-specific bit-value↔name mapping was **not independently re-derived from
-`acclient.h`** in this pass — **INFERENCE**, high confidence (acdream's own
-prior port already made this identification and it is internally
-consistent with #166's description of sledding needing an ALWAYS-reflect
-path), flagged for a cheap confirmation grep against `acclient.h`'s
-`PhysicsState` enum in the porting session.
-
-### 2.2 acdream already has a verbatim, correct port
-
-`src/AcDream.Core/Physics/PhysicsObjUpdate.cs:152-191`
-(`PhysicsObjUpdate.HandleAllCollisions`) is a **line-for-line correct port**
-of the above:
-
-```csharp
-bool sledding = body.State.HasFlag(PhysicsStateFlags.Sledding);
-bool shouldReflect = !(prevOnWalkable && nowOnWalkable && !sledding);
-if (body.FramesStationaryFall <= 1)
-{
- if (shouldReflect && collisionNormalValid)
- {
- if (Inelastic) body.Velocity = Vector3.Zero;
- else { /* elastic reflect: v += -(dot(v,n))*(e+1)*n when dot<0 */ }
- }
-}
-else { body.Velocity = Vector3.Zero; } // fsf>1 bleed
-```
-
-This is already used for the **local player AND every "ordinary" body**
-(non-remote-DR, non-projectile) via `RuntimeOrdinaryPhysicsUpdater.cs:150`
-→ `PhysicsObjUpdate.CommitSetPositionTransition` → `HandleAllCollisions`
-(the `CommitSetPositionTransition` wrapper additionally handles the
-HitGround/LeaveGround callback ordering retail interleaves at
-`SetPositionInternal` lines 283490-283510 — also verbatim-ported).
-
-**The remote dead-reckoning sweep (`RuntimeRemotePhysicsUpdater.cs:432-462`)
-does NOT call this function.** It has its own hand-inlined reflect block
-with a DIFFERENT, narrower gate:
-
-```csharp
-// RuntimeRemotePhysicsUpdater.cs:436-439 (current)
-bool applyBounce = sledding
- ? !(prevOnWalkable && nowOnWalkable) // WRONG when sledding — see below
- : (!prevOnWalkable && !nowOnWalkable); // WRONG in general — see below
-```
-
-**FACT — this is provably narrower than retail in two ways:**
-
-1. **Sledding case.** Retail: `shouldReflect = !(prevOnWalkable && nowOnWalkable && !sledding)` — when `sledding` is true, the `!sledding` term is `false`, so the whole AND collapses to `false` regardless of grounded state, so `shouldReflect = true` **unconditionally**. Retail's sledding mover ALWAYS runs the reflect/elastic-bounce math — this is the mechanism that produces the "sled" glide-and-bounce feel (#166). The remote code's sledding branch (`!(prevOnWalkable && nowOnWalkable)`) instead SUPPRESSES the bounce whenever grounded-before-and-after, which is the opposite of what sledding is supposed to do.
-2. **Non-sledding case.** Retail: `shouldReflect = !(prevOnWalkable && nowOnWalkable)` — reflects on every transition EXCEPT grounded→grounded (airborne→airborne, airborne→grounded, and grounded→airborne all reflect). The remote code's non-sledding branch (`!prevOnWalkable && !nowOnWalkable`) only reflects on airborne→airborne, explicitly suppressing reflection on the grounded↔airborne transitions retail DOES reflect on.
-
-This is exactly what the register row AD-25 describes ("still reflects
-velocity with the airborne-before-AND-after suppression; retail bounces
-unless grounded→grounded-and-not-sledding") — this research pass confirms
-it with the actual formula-level diff, not just the register's prose.
-
-### 2.3 Port sketch for AD-25
-
-Minimal, surgical fix: delete the hand-inlined block at
-`RuntimeRemotePhysicsUpdater.cs:432-462` and replace the call with
-`PhysicsObjUpdate.HandleAllCollisions(rm.Body, resolveResult.CollisionNormalValid, resolveResult.CollisionNormal, prevContact, prevOnWalkable, nowOnWalkable)`,
-computing `prevContact`/`prevOnWalkable` the same way the existing block
-already does (`rm.Body.OnWalkable` before the resolve) and `nowOnWalkable =
-resolveResult.IsOnGround` (already computed). `PhysicsObjUpdate` requires
-`body.FramesStationaryFall` — this field already exists on `PhysicsBody`
-(shared class with the local-player path) so no new state is needed.
-
-**Open judgment call for the porting agent, not resolved here:** whether to
-route through the higher-level `PhysicsObjUpdate.CommitSetPositionTransition`
-(which also owns HitGround/LeaveGround dispatch order) instead of the raw
-`HandleAllCollisions`, given the remote path already has its own bespoke
-landing-detection block (lines 464-537, with interp-queue-clear and
-animation-hook-specific logic not present in the ordinary path). Given the
-CLAUDE.md "integrate surgically... change the MINIMUM necessary" rule, the
-narrower `HandleAllCollisions`-only swap is the safer first cut; folding in
-`CommitSetPositionTransition` is a larger, separately-arguable refactor.
-
-### 2.4 #165 — remote wall penetration: FACT vs HYPOTHESIS
-
-**FACT (retail mechanism, `PositionManager::adjust_offset` 0x00555190 →
-`InterpolationManager::adjust_offset` 0x00555d30, lines 353071-353257):**
-the catch-up step is a `Position::subtract2`-derived delta Frame, magnitude-
-clamped per tick to `catchUpSpeed × dt` where `catchUpSpeed = max_speed(or
-adjusted_max_speed) × MAX_INTERPOLATED_VELOCITY_MOD(2.0)`, with a
-fallback constant `MAX_INTERPOLATED_VELOCITY = 7.5` (line 353137,
-`0x40f00000`) when no minterp/max-speed is available. There is also a
-5-frame stall window (`frame_counter >= 5`) that can raise `node_fail_counter`,
-and a hard **unclamped** snap when `node_fail_counter > 3`
-(`InterpolationManager::UseTime`, 0x00555f20 — "blip to tail/head", lines
-353261+): the delta becomes the FULL remaining distance to the target with
-no speed cap at all.
-
-**FACT (acdream's port):** `src/AcDream.Core/Physics/InterpolationManager.cs`
-is a documented, careful, near-verbatim port of the above (constants
-`MaxInterpolatedVelocityMod = 2.0f`, `MaxInterpolatedVelocity = 7.5f`,
-`StallCheckFrameInterval = 5`, `StallFailCountThreshold = 3` all cite the
-exact retail addresses/lines). `ComputeStep` (lines 372-482) clamps the
-per-tick step to `min(catchUp × dt, dist)` (line 470-474) in the normal
-case, and produces the SAME unclamped "tail-delta" snap
-(`_failCount > StallFailCountThreshold`, lines 458-467) that retail does.
-
-**INFERENCE / open — not confirmed in this pass:** whether the *observed*
-#165 symptom ("swallowed a bit by the wall") traces to:
-
-- (a) the **unclamped stall-fail snap** committing a position on the far
- side of / inside a wall in one tick, which is then fed as
- `preIntegratePos → postIntegratePos` into `ResolveWithTransition`'s sweep
- — the sweep SHOULD still catch a wall crossing between two arbitrary
- points (it's a normal sphere sweep, not distance-limited), so this would
- only tunnel if the sweep itself has some other gap; or
-- (b) a **one-frame skip of the sweep entirely** — `RuntimeRemotePhysicsUpdater.cs:320`
- gates the whole `ResolveWithTransition` call on `rm.CellId != 0 && LandblockCount > 0`,
- with a comment calling this "a one-frame grace until the first UP arrives" —
- if this grace condition is reachable on ANY tick other than
- first-spawn (e.g. transiently during a landblock/cell transition), the raw
- catch-up position commits unswept for that tick, which would look exactly
- like "swallowed a bit" before the NEXT tick's sweep clamps it back; or
-- (c) render/interpolation smoothing on the App side displaying an
- intermediate frame ahead of the collision-corrected position (a
- presentation lag, not a physics tunnel) — not investigated in this pass
- at all (out of Core/Runtime scope, would need an App-layer render-frame
- read).
-
-None of (a)/(b)/(c) is confirmed; I did not find a smoking gun equivalent to
-§1.5's or §2.1-2.2's clean formula diff. This matches the ISSUES.md #165
-entry's own framing (three ranked candidates, "capture first").
-
-**Diagnostic recommendation (reusing existing apparatus, per the
-apparatus-before-3rd-attempt rule):** `ACDREAM_PROBE_RESOLVE=1` filtered to
-the specific remote's guid at the moment of wall contact will show, per
-resolve call, whether the resolver reports `Collided`-with-position-still-
-inside-geometry (implicates the sweep/BSP itself — candidate outside this
-research's scope, would reopen a #98-class investigation) versus a resolve
-that never fired at all that tick (implicates candidate (b), the grace-skip
-condition) versus a resolve whose INPUT `preIntegratePos` is already inside
-the wall (implicates candidate (a), the unclamped stall snap feeding a bad
-start point). `ACDREAM_CAPTURE_RESOLVE=` would let this be replayed
-offline against the trajectory-replay harness. Both are existing tools;
-no new instrumentation is needed to start.
-
-### 2.4b — P3 diagnostic pass (2026-07-30): (a) and (b) ruled out by dat-free/dat-backed fixtures; (c) is the remaining candidate
-
-Campaign P Slice P3 item 4 built the dat-free/dat-backed fixtures the
-plan asked for (no live client) to discriminate the three candidates
-directly, without waiting on a fresh live capture. Findings:
-
-**(b) ruled out by code reading.** `RuntimeRemotePhysicsUpdater.Tick`'s
-resolve gate is `rm.CellId != 0 && _physics.Engine.LandblockCount > 0`.
-`RemoteMotion.CellId` reads `RuntimeEntityRecord.FullCellId` live (bound via
-`RuntimePhysicsState`'s `readCell = () => record.FullCellId`). Every write
-site for `FullCellId = 0` was traced (`RuntimeEntityObjectLifetime.cs`:
-`TryApplyPickup` line ~505, `CommitAcceptedParentCellless` line ~591,
-`CommitWithdrawal` line ~833) — all three are pickup/parent-attach/delete
-paths, never reachable for a live, freely-moving remote creature or player
-mid-session. For such a mover, `FullCellId` is set once by the first
-`UpdatePosition` and never returns to 0 until the entity despawns. The
-"one-frame grace" this gate names is therefore genuinely first-spawn-only,
-as the code's own comment already claimed — not a hidden mid-session
-tunneling window.
-
-**(a) tested directly and does NOT reproduce, on two independent
-geometries.** The unclamped stall-fail "tail delta" snap
-(`InterpolationManager.ComputeStep`, `_failCount > StallFailCountThreshold`)
-hands `ResolveWithTransition` a `targetPos` that can be an arbitrarily large
-single-tick delta (the full remaining distance to the interpolation queue's
-tail node, no speed cap). The concern was that this large delta might not
-sweep correctly and could tunnel through solid geometry in one tick.
-Tested directly, synthetic-sphere and real-BSP-wall geometry both agree:
-
-- `Issue165RemoteWallPenetrationDiagnosticTests.SingleLargeTickJumpThroughObstacle_IsStillBlockedAtSurface`
- (dat-free, synthetic creature sphere): a single resolve call spanning the
- ENTIRE 2.4 m approach (the same total distance the pre-existing 30-tick
- `SphereCollisionFamilyTests.GroundedSingleCreature_HeadOnPush_BlocksWithoutPenetration`
- covers in 0.08 m increments) stops at the identical surface distance
- (Y≈10.48–10.54) — the sweep is not distance-limited and catches the large
- jump exactly as it catches the small-step approach.
-- `DoorCollisionApparatusTests.Apparatus_SingleLargeTickJump_DeadCenter_StillBlocksOnBSP`
- (dat-backed, the REAL Holtburg door Setup `0x020019FF` + GfxObj
- `0x010044B5` BSP slab used by the existing door apparatus tests): the
- SAME dead-center front approach the 20-tick
- `Apparatus_DeadCenter_FrontApproach_BlocksOnBSP` test covers, driven in
- ONE resolve call for the full 2 m instead of 20 × 0.10 m ticks, reports
- `CollisionNormalValid=true` and stops at Y=11.4 — before the door's front
- face (Y≈11.99), matching the small-step result.
-- A third fixture (`SingleLargeTickJumpStartingInsideObstacleOverlap_DoesNotAcceptTunneledCandidate`)
- confirms that even a candidate whose START point is already inside a
- solid obstacle's overlap zone does not sail through to a far target —
- retail's own `validate_transition` restores `curr_pos` on a non-clean
- step from inside an overlap (the #184 DO-NOT-RETRY precedent), and
- acdream matches.
-
-Both candidates the fixtures could test without a live capture are
-therefore RULED OUT as the #165 mechanism: the sweep itself handles large
-single-tick position deltas correctly against both object-collision
-(ShadowObjectRegistry sphere) and BSP-wall geometry, and the resolve gate
-cannot skip mid-session for a live mover.
-
-**Conclusion: candidate (c) — render/interpolation presentation lag on the
-App side — is the remaining candidate**, and it is NOT testable with a
-physics-fixture-only pass: it is a claim about what gets DRAWN on a given
-frame relative to the collision-corrected `PhysicsBody.Position`, which
-requires an App-layer render-frame read (comparing the entity's presented
-transform against its committed physics position across frames) — outside
-Core/Runtime and outside what a dat-free/dat-backed fixture can observe.
-Per the campaign plan ("otherwise write the diagnosis... and STOP"), this
-item stops here: #165 stays OPEN with (a) and (b) struck from the
-candidate list by the evidence above, and (c) named as the next concrete
-step for whoever picks this up (an App-layer render-position vs.
-physics-position diff across frames, or a live `ACDREAM_PROBE_RESOLVE`
-capture if a fresh repro is available — see the diagnostic recommendation
-above, still valid for confirming (c) live).
-
----
-
-## 3. P3.3 — TS-23: PK/PKLite/Impenetrable mover bits
-
-### 3.1 Retail bit values — `OBJECTINFO::init` (0x0050cf30, lines 274432-274463)
-
-```c
-void OBJECTINFO::init(OBJECTINFO* this, CPhysicsObj* obj, int32_t state)
-{
- this->object = obj;
- this->state = state;
- this->scale = obj->m_scale;
- this->step_up_height = CPhysicsObj::GetStepUpHeight(obj); // see §1.5
- this->step_down_height = CPhysicsObj::GetStepDownHeight(obj);
- this->ethereal = (obj->state & 4);
- this->step_down = !(obj->state >> 6) & 1;
- CWeenieObject* w = obj->weenie_obj;
- if (w != 0)
- {
- if (w->vtable->IsImpenetrable()) this->state |= 0x80; // IsImpenetrable
- if (w->vtable->IsPlayer()) this->state |= 0x100; // IsPlayer
- if (w->vtable->IsPK()) this->state |= 0x800; // IsPK
- if (w->vtable->IsPKLite()) this->state |= 0x1000; // IsPKLite
- }
-}
-```
-
-**FACT.** This exactly matches acdream's `ObjectInfoState` enum
-(`src/AcDream.Core/Physics/TransitionTypes.cs:24-44`): `IsImpenetrable = 0x080`,
-`IsPlayer = 0x100`, `EdgeSlide = 0x200` (retail sets EdgeSlide elsewhere, not
-in this function — acdream's own comment at
-`RuntimeOrdinaryPhysicsUpdater.cs:138` etc. treats it as bundled with
-IsPlayer, a pre-existing simplification not re-litigated here), `IsPK =
-0x800`, `IsPKLite = 0x1000` — the enum already carries a doc comment citing
-`acclient_2013_pseudo_c.txt:276807-276839` (the `FindObjCollisions` PvP
-exemption block) for these exact values, so this is not new discovery — it
-CONFIRMS the enum values already in the tree are correct.
-
-### 3.2 acdream already parses this data — it is just not plumbed onto the mover
-
-Three layers already exist, fully wired, verified by reading the current
-files:
-
-1. **Wire parse.** `src/AcDream.Core.Net\Messages\CreateObject.cs:814-819`
- reads `objectDescriptionFlags = ReadU32(...)` — the `PublicWeenieDesc._bitfield`
- trailer field — with a comment explicitly naming `BF_PLAYER_KILLER (0x20)`,
- `BF_FREE_PKSTATUS (0x200000)`, `BF_PKLITE_PKSTATUS (0x2000000)` as "read
- for `IsPK()`/`IsPKLite()`/`IsImpenetrable()`... previously discarded; now
- surfaced."
-2. **Decode.** `src/AcDream.Core/Physics/EntityCollisionFlags.cs` —
- `EntityCollisionFlagsExt.FromPwdBitfield(uint bitfield)` decodes
- `IsPlayer|IsPK|IsImpenetrable|IsPKLite` from the raw PWD bitfield (bit
- values `0x8`/`0x20`/`0x200000`/`0x2000000` respectively — the PWD wire
- bitfield's own numbering, DISTINCT from `ObjectInfoState`'s numbering;
- these are two different bit-spaces that must not be confused).
-3. **Storage — per-GUID, not target-only.** `src/AcDream.Core/Items/ClientObjectTable.cs:813`
- and `ClientObject.cs:230/325` store `PublicWeenieBitfield` on **every**
- `ClientObject` row, keyed by GUID — this includes the local player's own
- row and every remote's own row, not just "targets" of someone else's
- collision check. `src/AcDream.App/Net/LiveSessionRuntimeFactory.cs:318-320`
- already demonstrates the exact lookup pattern needed:
- `_domain.EntityObjects.Objects.Get(guid)?.PublicWeenieBitfield`.
-
-4. **Consumer today — target-side only.** `src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs:151-155`
- builds `EntityCollisionFlags` (via `FromPwdBitfield`) for every
- registered live entity's SHADOW registration — this is the data OTHER
- movers collide against (the `targetFlags` half of
- `CollisionExemption`, `src/AcDream.Core/Physics/CollisionExemption.cs:95-126`).
- The exemption code already correctly checks `moverState & ObjectInfoState.IsPK`
- against `targetFlags & EntityCollisionFlags.IsPK` (lines 108-113) — the
- LOGIC is complete and correct; only the `moverState` INPUT is wrong.
-
-**The actual gap, confirmed at all four current call sites** (grep-exhaustive
-in this pass, `select:` on `ObjectInfoState.IsPlayer \|`):
-
-| Site | File:line | Current `moverFlags` |
-|---|---|---|
-| Local player, grounded/ordinary | `PlayerMovementController.cs:1382` | `ObjectInfoState.IsPlayer \| ObjectInfoState.EdgeSlide` (hardcoded) |
-| Local player, second call site | `PlayerMovementController.cs:1822` | `ObjectInfoState.IsPlayer` (hardcoded, no EdgeSlide) |
-| Remote DR sweep | `RuntimeRemotePhysicsUpdater.cs:372` | `IsPlayerGuid(serverGuid) ? IsPlayer\|EdgeSlide : EdgeSlide` |
-| Remote DR sweep, 2nd site | `RuntimeRemotePhysicsUpdater.cs:707` | same pattern |
-| Ordinary updater | `RuntimeOrdinaryPhysicsUpdater.cs:138` | `IsPlayerGuid(record.ServerGuid) ? IsPlayer\|EdgeSlide : EdgeSlide` |
-| Remote teleport | `RemoteTeleportController.cs:290` | `IsPlayer\|EdgeSlide : ...` (non-player branch not read in this pass) |
-
-`IsPlayerGuid(guid) => (guid & 0xFF000000u) == 0x50000000u` (a cheap GUID-
-prefix heuristic, unrelated to the wire bitfield) is the ONLY player
-detection in play at these sites — none of them consult
-`PublicWeenieBitfield`/`FromPwdBitfield` at all. The
-`RuntimeRemotePhysicsUpdater.cs:358-371` comment block ALREADY documents
-this exact gap in the team's own words before this research pass: *"PK/
-PKLite/Impenetrable are NOT plumbed onto the remote mover yet, so a PK pair
-walks through where retail collides — the SAME M1.5 gap the local player
-carries (see TS-23...)."*
-
-### 3.3 Plumb path
-
-At each site: resolve the mover's own `ClientObject` via the already-owned
-`ClientObjectTable` accessor (per J3.4, `RuntimeEntityObjectLifetime` owns
-the canonical table; `PlayerMovementController`/`RuntimeRemotePhysicsUpdater`/
-`RuntimeOrdinaryPhysicsUpdater` are all `AcDream.Runtime` classes, which
-CAN reference `AcDream.Core.Items.ClientObjectTable` since Runtime depends
-on Core, not the reverse — no new project reference needed), read
-`.PublicWeenieBitfield`, decode via `EntityCollisionFlagsExt.FromPwdBitfield`
-(already exists), then translate the RESULT's `EntityCollisionFlags` bits
-into `ObjectInfoState` bits (they are numerically different bit-spaces —
-`EntityCollisionFlags.IsPK = 0x04` vs `ObjectInfoState.IsPK = 0x800` — this
-translation is a new 3-line helper, not existing code) and OR them into the
-`moverFlags` argument already being constructed at each site.
-
-**Exact wiring at each of the 5-6 call sites (constructor/field access for
-`ClientObjectTable` at each class) was not traced in this pass** — the
-`AcDream.Runtime` classes listed do not currently hold a `ClientObjectTable`
-reference (confirmed by grep: `RuntimeInventoryState.cs`,
-`RuntimeHostileTargetQuery.cs`, `RuntimeEntityObjectLifetime.cs`,
-`RuntimeEntityObjectViews.cs`, `RuntimeEntityObjectEventStream.cs`, and
-`LiveSessionEventRouter.cs` are the only Runtime files referencing it today
-— `PlayerMovementController`/`RuntimeRemotePhysicsUpdater`/
-`RuntimeOrdinaryPhysicsUpdater` are NOT in that list). The porting agent
-will need to either inject the table (constructor param) or add a small
-read-only accessor delegate (matching the existing `IsPlayerGuid`-style
-static-predicate pattern already used at these sites) — a scoped DI/plumbing
-decision, not a research question.
-
-### 3.4 Non-PK invariant test (explicitly required by the plan)
-
-The plan requires "non-PK ACE behavior must be provably unchanged." Given
-§3.1's decode: a `ClientObject` with `PublicWeenieBitfield == null` (never
-received, e.g. a non-player prop) or with none of bits `0x20/0x200000/0x2000000`
-set decodes to `EntityCollisionFlags.None` for the PK/PKLite/Impenetrable
-bits, which translates to `ObjectInfoState.None` for those bits — i.e. the
-OR is a no-op and `moverFlags` is bit-identical to today's hardcoded value
-for any non-PK, non-PKLite, non-Impenetrable mover (which is every mover in
-ACE's default character-creation state, per the existing TS-23 register
-row's own text). The invariant test: construct movers with
-`PublicWeenieBitfield = null` and `PublicWeenieBitfield = 0` and assert
-`ResolveWithTransition`'s effective `moverFlags` is unchanged from the
-pre-port value in both cases; a second test sets the PK bit on a
-`ClientObjectTable` row and asserts the walk-through exemption in
-`CollisionExemption` (already-correct logic, §3.2 point 4) now actually
-fires for a PK-vs-PK pair and does NOT fire for a PK-vs-non-PK pair — this
-second test is the actual acceptance criterion for TS-23, not just the
-non-regression guard.
-
----
-
-## 4. P4.1 — AP-71: `check_entry_restrictions`
-
-### 4.1 Retail: `CObjCell::check_entry_restrictions` (0x0052b6d0, lines 308873-308912)
-
-```c
-TransitionState CObjCell::check_entry_restrictions(CObjCell* this, CTransition* t)
-{
- CPhysicsObj* mover = t->object_info.object;
- if (mover != 0)
- {
- CWeenieObject* moverWeenie = mover->weenie_obj;
- if (moverWeenie == 0) return OK_TS; // no weenie → pass
-
- int32_t canBypass = moverWeenie->vtable->CanBypassMoveRestrictions();
-
- if ((t->object_info.state & 0x100) == 0) // NOT IsPlayer
- return OK_TS; // NPCs bypass entirely
-
- uint32_t restrictionObj = this->restriction_obj;
- if (restrictionObj == 0 || canBypass)
- return OK_TS;
-
- CPhysicsObj* rObj = CPhysicsObj::GetObjectA(restrictionObj);
- if (rObj != 0)
- {
- CWeenieObject* rWeenie = rObj->weenie_obj;
- if (rWeenie != 0)
- {
- if (rWeenie->vtable->CanMoveInto(moverWeenie) != 0)
- return OK_TS;
- this->vtable->handle_move_restriction(t); // side effect (msg/anim)
- }
- }
- }
- return COLLIDED_TS; // (2)
-}
-```
-
-**FACT, confirmed doubly:** this gate is called from BOTH the outdoor and
-indoor collision entry points, at the exact same position (first thing in
-the function, before any BSP work):
-
-- `CEnvCell::find_env_collisions` (0x0052c130, line 309576):
- `check_entry_restrictions(this, arg2)` is the first statement.
-- `CLandCell::find_env_collisions` (0x00532f20, line 317075):
- `if (check_entry_restrictions(this, ebp) != OK_TS) return;` — same
- pattern, one function earlier in the call than I initially expected
- (AP-71's register row cites only the EnvCell/indoor site; **this research
- additionally confirms the outdoor `CLandCell` site uses the identical
- gate** — a scope expansion the porting agent should know about: a
- restricted OUTDOOR cell, if that's ever content-modeled, is gated the
- same way).
-
-**FACT — only PLAYERS are gated.** The `(state & 0x100) == 0 → OK_TS` early
-return means NPCs/monsters/props bypass this check entirely regardless of
-`restriction_obj`. `ObjectInfoState.IsPlayer = 0x100` matches acdream's
-existing enum exactly (§3.1).
-
-### 4.2 `CanBypassMoveRestrictions` / `CanMoveInto` — the house-guest mechanism
-
-`ACCWeenieObject::CanBypassMoveRestrictions` (0x0058c500, lines 406605-406614):
-```c
-bool CanBypassMoveRestrictions(ACCWeenieObject* this)
-{
- uint32_t bf = this->pwd._bitfield;
- return (bf & 0x100000) != 0 && (bf & 0x400000) != 0;
-}
-```
-**FACT.** Two PWD bitfield bits ANDed together (both must be set) — the
-register row cites these same two bit values (0x100000/0x400000); this
-research confirms the exact AND-combination logic, which was not previously
-spelled out.
-
-`ACCWeenieObject::CanMoveInto` (0x0058da40, lines 407982-408056):
-```c
-bool CanMoveInto(ACCWeenieObject* this, CWeenieObject* mover)
-{
- if (mover == 0) return false; // conservative
- if (this->pwd._house_owner_iid == 0
- || this->pwd._house_owner_iid == mover->id)
- return true; // owner always in
- RestrictionDB* db = this->pwd._db;
- if (db == 0) return true; // no list → open
- if (RestrictionDB::IsAllowedIn(db, mover->id, mover->allegiance_or_similar_at_0x128))
- return true;
- // ... not allowed: PlayScript(pscript, ...) visual/audio denial cue
- return false;
-}
-```
-**FACT.** This IS the AC house-guest/lock mechanism —
-`pwd._house_owner_iid` (the house owner's instance ID) and `pwd._db`
-(a `RestrictionDB*` — presumably the guest/ban list) live on the
-RESTRICTION OBJECT's own weenie (the object pointed at by
-`this->restriction_obj`, resolved via `CPhysicsObj::GetObjectA`), not on the
-cell or the mover.
-
-### 4.3 OPEN QUESTION — where `restriction_obj`'s value comes from (not resolved; Ghidra MCP down)
-
-`CObjCell::check_entry_restrictions` reads `this->restriction_obj` as a
-**uint32 object IID**, resolved via `CPhysicsObj::GetObjectA(restriction_obj)`
-to find a live weenie. Tracing where `restriction_obj` is ASSIGNED, I found
-exactly one write site: `CEnvCell::UnPack` (0x0052d470, line 310871):
-
-```c
-this->restriction_obj = (uint32_t)ecx_5; // a single BYTE read from the
- // cell's DAT unpack stream
-```
-
-immediately followed (line 310912) by using **the same field** as a COUNT
-to allocate an array: `operator new[]((restriction_obj * 0x18) + 4)` — i.e.
-in `UnPack`, this looks like a small integer count (0-255, since it's an
-8-bit read) driving allocation of `restriction_obj` structures of 0x18 (24)
-bytes each, not a 32-bit object GUID.
-
-**These two uses are inconsistent** — a per-cell field that is (a) read as
-a small DAT-baked count used to size an array during static cell UnPack,
-and (b) read as a live 32-bit object IID during collision-gate evaluation,
-cannot both be the literal same struct member unless CEnvCell overwrites it
-at RUNTIME between DAT load and gameplay (e.g. a live server association
-replacing the static field after house/lock data arrives over the wire).
-This is exactly the class of ambiguity `feedback_bn_decomp_field_names`
-warns about — BN's heuristic field-name propagation can attach the SAME
-auto-generated name to two DIFFERENT actual struct offsets it failed to
-disambiguate across two different functions.
-
-**Wire-side FACT, for context (not a resolution):** acdream's own
-`GameEventType.cs` already enumerates `HouseData = 0x0225`,
-`HouseStatus = 0x0226`, `HouseUpdateRestrictions = 0x0248` (present in the
-codebase before this research pass — i.e. someone already knew these
-opcodes exist), and `references/Chorizite.ACProtocol/.../protocol.xml`
-additionally lists an `ObjectDescriptionFlag` bit `HouseRestrictions =
-0x4000000` (line 467) and a large family of house-guest opcodes
-(`House_AddPermanentGuest 0x0245`, `House_RemovePermanentGuest 0x0246`,
-`House_RequestFullGuestList 0x024D`, etc.). None of this is currently
-PARSED into any acdream data structure (grep-confirmed: zero non-enum
-matches for `HouseData`/`ObjectDescriptionFlag.HouseRestrictions` in `src/`).
-`references/ACE/Source/ACE.Server/WorldObjects/House.cs` confirms ACE does
-model a full server-side house/guest/monarch system, so this is NOT
-provably inert against every possible local-ACE test scenario (a
-player-built house IS creatable), even though the register row's claim that
-it's inert against the ACE **starter area** specifically stands.
-
-**What I could NOT determine in this pass, and recommend as the next
-concrete step:** whether `CObjCell.restriction_obj`'s *live* value (the one
-`check_entry_restrictions` reads) is populated (a) from a completely
-different, mis-attributed static DAT field than the one at
-`UnPack:310871`, or (b) dynamically overwritten at runtime when a
-house-linked cell/portal weenie spawns nearby, and if (b), which of the
-House_* wire messages triggers that write. This needs either (i) Ghidra's
-independent decompiler (down at research time — retry when back up, look
-specifically at `CObjCell`'s struct layout / xrefs to the `restriction_obj`
-offset), or (ii) an ACE-side or holtburger-side house-cell association read
-(not checked in this pass — `references/ACE` does model houses but I did
-not search for where ACE associates a *cell* with a house's restriction
-data specifically), or (iii) a live cdb capture of `this->restriction_obj`
-at `check_entry_restrictions`'s entry (0x0052b6d5) while standing at a
-real ACE-created house's locked door, per the retail debugger toolchain in
-CLAUDE.md.
-
-### 4.4 Port pseudocode (structure only — value-source is the open question above)
-
-```csharp
-// CObjCell.check_entry_restrictions port sketch
-TransitionState CheckEntryRestrictions(CTransition t)
-{
- var mover = t.ObjectInfo.Object; // the live ClientObject/weenie, if any
- if (mover is null) return TransitionState.OK;
- if (!t.ObjectInfo.IsPlayer) return TransitionState.OK; // NPCs bypass
- if (mover.CanBypassMoveRestrictions()) return TransitionState.OK; // §4.2 two-bit AND
-
- uint restrictionObjGuid = this.RestrictionObj; // §4.3 — SOURCE UNRESOLVED
- if (restrictionObjGuid == 0) return TransitionState.OK;
-
- var restrictionWeenie = ResolveWeenie(restrictionObjGuid);
- if (restrictionWeenie is { } rw)
- {
- if (rw.CanMoveInto(mover)) return TransitionState.OK; // §4.2 owner/db check
- HandleMoveRestriction(t); // client-side denial cue (message/sound)
- }
- return TransitionState.Collided;
-}
-```
-
-**Minimal restriction state acdream must track, once §4.3 resolves:** a
-per-cell nullable `restriction_obj` GUID field (on whatever acdream's
-`CObjCell`-equivalent is — `CellPhysics`, `src/AcDream.Core/Physics/PhysicsDataCache.cs:540`,
-confirmed by the AP-71 register row to currently have NO such field), plus
-enough of the target weenie's data to answer `CanBypassMoveRestrictions`
-(two PWD bitfield bits — already parsed per §3.2, just need the two extra
-bit values `0x100000`/`0x400000` added to `EntityCollisionFlagsExt`) and
-`CanMoveInto` (house owner IID + an allow/ban list — NOT currently modeled
-anywhere in acdream; this is new state, likely fed by
-`HouseData`/`HouseUpdateRestrictions` if §4.3 resolves to the wire-dynamic
-answer).
-
----
-
-## 5. P4.2 — AP-10 + water semantics
-
-### 5.1 The formula is ALREADY verbatim-correct in acdream; only the source constant is collapsed
-
-**FACT, cross-confirmed via ACE's clean C# port (BN mush avoided
-entirely for this item since ACE's port is unambiguous):**
-`references/ACE/Source/ACE.Server/Physics/ObjectInfo.cs:101-171`
-(`ObjectInfo.ValidateWalkable`) — the non-viewer branch, line 124:
-
-```csharp
-var dist = Vector3.Dot(checkPos.Center - new Vector3(0, 0, checkPos.Radius),
- contactPlane.Normal) + contactPlane.D + waterDepth;
-if (dist >= -PhysicsGlobals.EPSILON) { /* touching/above → OK, maybe SetContactPlane */ }
-else { /* below → push up by zDist = dist / normal.Z, Adjusted */ }
-```
-
-`waterDepth` is added DIRECTLY into the signed plane-distance before the
-`±EPSILON` compare — a positive `waterDepth` lets the sphere's true
-geometric bottom sit up to `waterDepth` meters below the plane while `dist`
-still reads "touching," so `SetContactPlane`/`OnWalkable` still commit.
-
-**acdream's own `ValidateWalkable`** (`src/AcDream.Core/Physics/TransitionTypes.cs:3068-3146`)
-is a **byte-for-byte structural match**, already citing "ACE
-`ObjectInfo.ValidateWalkable()` line 124" in its own doc comment (line 3082) —
-i.e. this formula was already correctly ported before this research pass. Line
-3089: `float dist = Vector3.Dot(lowPoint, contactPlane.Normal) + contactPlane.D + waterDepth;`.
-
-**The ONLY collapsed piece is the VALUE fed into `waterDepth`.**
-`TerrainSurface.SampleWaterDepth` (`src/AcDream.Core/Physics/TerrainSurface.cs:538-559`)
-returns `0.9f` for entirely-water cells (matches retail's visual full-
-submersion, unchanged), `0.45f` for a partially-water cell's water corner
-(unchanged), but returns **`0f`** for a partially-water cell's DRY corner
-where retail's own comment (already in the file, `TerrainSurface.cs:522-528`)
-says retail returns **`0.1f`**.
-
-I traced `CObjCell::get_water_depth` (0x0052b8a0, lines 309007-309032) and
-its sole caller `CLandCell::find_env_collisions` (0x00532fd5, confirmed by
-line 317094: `float depth = get_water_depth(this, &var_28)`, fed into
-`validate_walkable`'s explicit float argument at line 317111) — this
-confirms the STRUCTURAL fact that water depth flows `get_water_depth →
-validate_walkable` as an argument (matching acdream's own architecture),
-but `get_water_depth` itself (lines 309007-309032) delegates to
-`CLandBlockStruct::calc_water_depth` (0x005315f0, lines 315578-315644) which
-returns a **`TERRAIN_SURF_CHAR[...]` table lookup** (a small integer, 0-31
-range, surface-TYPE code) — **not** a floating-point 0.1 literal. I could
-NOT find the exact site inside `validate_walkable`'s own body (0x0050d010,
-lines 274479-274617) where a `0.1f` water-specific constant is applied to
-`arg5` (the water-depth parameter) — the ONE `-0.1f`-shaped literal I found
-in that function (line 274593, `-0.10000000000000001`) is, per ACE's
-unambiguous cross-reference (`ObjectInfo.cs:154`, `interp < -0.1f`),
-**the step-down `WalkInterp` bound, unrelated to water** — I flag this
-explicitly because I initially suspected it was the water constant and the
-ACE cross-check disproved it; recording this here so a future pass doesn't
-repeat the same false match.
-
-**Conclusion:** the `0.1f` retail constant's exact origin (is it a second
-hardcoded literal inside `validate_walkable` gated on `isWater`, or is
-`calc_water_depth`'s `TERRAIN_SURF_CHAR` table itself scaled by some factor
-that produces 0.1 for a specific surface-type code, or is it purely an ACE-
-side reverse-engineered constant with no direct 1:1 retail literal at all)
-is an **open question** — but it does not block the fix: acdream's own
-architecture already matches ACE's `ObjectInfo.ValidateWalkable` formula
-exactly, ACE's C# source is unambiguous that the dry-corner value is a
-constant fed as `waterDepth`, and restoring `TerrainSurface.SampleWaterDepth`'s
-dry-corner return from `0f` to `0.1f` is a 1-line, format-matching change
-regardless of which retail literal ultimately produced 0.1.
-
-### 5.2 The "restore risk" is likely a DIFFERENT, adjacent bug — do not re-collapse as a second workaround
-
-The existing acdream comment justifying the 0→0.1 collapse
-(`TerrainSurface.cs:522-528`) says a nonzero dry-corner value "destabilizes
-the feet-exactly-on-plane contact-touch check (dist > EPSILON → SetContactPlane
-never fires...)."
-
-**This is structurally true of retail too, by design, not a bug the
-collapse is protecting against.** Looking at `ValidateWalkable`'s "above or
-touching" branch (both retail/ACE and acdream, §5.1): when `dist > EPSILON`
-(strictly above the touching band — which a `+0.1` waterDepth shift WILL
-produce for a character standing statically on dry ground with a
-near-exact geometric contact), the function returns OK **without** calling
-`SetContactPlane`/committing walkable state THIS call — in ALL THREE
-implementations (retail, ACE, acdream), water or not. Retail relies on
-`Contact`/`OnWalkable` being STICKY bits that persist across frames where a
-given call skips the touch reassertion, not on every single call
-re-asserting them. If restoring 0.1 reproduces the described "floats/falls
-every frame" symptom, the likely root cause is that some OTHER acdream code
-path clears `Contact`/`OnWalkable` unconditionally each tick (unlike
-retail's sticky-bit model), and `ValidateWalkable`'s water-shifted skip then
-never gets a chance to reassert — i.e. **the real bug, if it still exists,
-is in whatever clears the sticky bits, not in the water-depth term itself.**
-
-Per CLAUDE.md's no-workarounds rule, this makes AP-10 potentially a
-two-step port: (1) restore the `0.1f` dry-corner constant, (2) run the
-existing walkable/terrain-edge regression suite plus a manual
-walk-on-shoreline gate; if the float/fall symptom reproduces, the follow-up
-is root-causing the sticky-bit clearing, not re-collapsing to 0 a second
-time. This is a testable prediction for the porting agent, not a claim that
-the fix is risk-free.
-
-### 5.3 `WATER_CONTACT_TS` (bit 0x8) — a genuinely unported piece, found in this pass
-
-`acclient.h:3688-3700` — `TransientState` enum: `WATER_CONTACT_TS = 0x8`
-(bit 3), alongside `CONTACT_TS = 0x1`, `ON_WALKABLE_TS = 0x2`.
-
-**FACT — retail writes this bit in `CPhysicsObj::SetPositionInternal`**
-(0x005153e5-0051545f, lines 283459-283483), in the SAME statement block that
-writes `CONTACT_TS`, immediately after it:
-
-```c
-int32_t contactPlaneIsWater = arg2->collision_info.contact_plane_is_water;
-// ... this->transient_state = (contact_plane_valid) ? (ts|1) : (ts & ~1); // CONTACT_TS
-CPhysicsObj::calc_acceleration(this);
-// then, unconditionally right after:
-this->transient_state = contactPlaneIsWater
- ? (this->transient_state | 8) // WATER_CONTACT_TS
- : (this->transient_state & ~8);
-```
-
-This is a **persistent, object-level transient-state bit**, mirroring the
-per-resolve local `CollisionInfo.ContactPlaneIsWater` bool onto the body's
-own sticky state — exactly parallel to how `CONTACT_TS`/`ON_WALKABLE_TS` are
-promoted from the resolve's local result onto `transient_state`.
-
-**FACT — acdream has NOT ported this promotion.** `src/AcDream.Core/Physics/PhysicsBody.cs:99-103`:
-```csharp
-// Declared to complete retail's TransientState (acclient.h:3688). Neither bit is
-// produced or consumed by acdream's transition yet; they are here so the two free
-// slots cannot be reused for something else and quietly collide with the wire.
-WaterContact = 0x00000008, // bit 3 — WATER_CONTACT_TS
-CheckEthereal = 0x00000100, // bit 8 — CHECK_ETHEREAL_TS
-```
-The bit is DECLARED (reserved, so nothing else accidentally claims it) but
-never WRITTEN — `ContactPlaneIsWater` is extensively threaded through
-`CollisionInfo` and `PhysicsBody.ContactPlaneIsWater` (dozens of call sites,
-grep-confirmed) as a plain bool, but it is never mirrored into
-`PhysicsBody.TransientState`'s `WaterContact` flag the way `Contact`/
-`OnWalkable` already are (via `PhysicsObjUpdate.ApplySetPositionContact`/
-`CommitSetPositionTransition`, `src/AcDream.Core/Physics/PhysicsObjUpdate.cs:30-127`
-— neither of these currently touches `WaterContact`).
-
-**Port sketch:** add one line to `PhysicsObjUpdate.ApplySetPositionContact`
-and `CommitSetPositionTransition`, immediately alongside the existing
-`Contact` bit write, mirroring `inContact` → `TransientStateFlags.Contact`:
-```csharp
-if (body.ContactPlaneIsWater)
- body.TransientState |= TransientStateFlags.WaterContact;
-else
- body.TransientState &= ~TransientStateFlags.WaterContact;
-```
-This is a small, low-risk, purely-additive change (the bit is currently
-inert, so writing it cannot regress anything that reads it, because nothing
-reads it).
-
-**OPEN — who CONSUMES `WATER_CONTACT_TS` after it's set, in retail?** Not
-found in this pass. I did not do an exhaustive scan for reads of bit 0x8 on
-`transient_state` elsewhere in the 1.4M-line pseudo-C dump (the write site
-was found via the `contact_plane_is_water` local-variable trail, which does
-not generalize to finding reads of the resulting bit, since bit-mask reads
-are not text-greppable without high false-positive noise across unrelated
-0x8 masks). **This is the one genuinely unresolved scope question for
-AP-10:** is `WATER_CONTACT_TS` purely a reporting/query bit (e.g. read by
-some "is player swimming" query for animation/sound/UI, with no gameplay-
-feel consequence), or does something in the movement/friction/step chain
-branch on it? Recommend a follow-up grep pass (or Ghidra MCP xref query
-`/function_xrefs?name=CPhysicsObj::SetPositionInternal` once reachable) as
-the next concrete step before claiming "water semantics" fully verified.
-
-### 5.4 Other water-behavior divergences found (facts only, no scope invention)
-
-Beyond the AP-10 constant and the WATER_CONTACT_TS gap above, this pass
-found no additional confirmed water-specific divergences. Specifically
-checked and found NO evidence of divergence in:
-- The `CLandCell::find_env_collisions` ENTIRELY_WATER early-exit (line
- 317091: `if (block_water_type == ENTIRELY_WATER && !ethereal && !(state&0x40))
- return;` — a swimming/ethereal exemption from terrain collision entirely)
- — acdream's handling of this specific branch was **not cross-checked**
- against this exact condition in this pass; flagged as unverified rather
- than asserted-divergent or asserted-matching.
-- Jump-in-water and movement-effects-in-water (e.g. reduced jump height,
- swim animation triggers) — **not investigated**, out of the physics/
- collision scope this pass focused on; would require a `MovementSystem`/
- animation-side read not attempted here.
-
----
-
-## 6. Port order + blast radius
-
-### P3 (TS-46, AD-25, #165, TS-23)
-
-**Recommended order:** TS-23 (§3) first — it is pure plumbing against
-already-correct logic and already-correct data, lowest risk, and its own
-non-regression test (§3.4) is cheap to write. Then AD-25 (§2.1-2.3) — a
-one-function-call swap with an existing verbatim replacement, second-lowest
-risk. TS-46 (§1) third — touches the collision CAPSULE of every mover, the
-highest-blast-radius item in this batch; do it after the other two so any
-regression is attributable. #165 (§2.4) last, and only after AD-25 lands
-(the remote reflect fix changes remote velocity behavior at walls, which
-could itself mask or unmask the wall-penetration symptom — diagnose #165
-fresh, post-AD-25, not against pre-AD-25 captures).
-
-**Fixtures/tests to capture BEFORE touching TS-46:**
-- `SphereCollisionFamilyTests` and `WindowOpening_HeadCannotFit_EntryBlocked`
- (cited in the digest as TS-46-adjacent pins) — re-run and record baseline
- pass/fail before the sphere-list migration.
-- Any `ACDREAM_CAPTURE_RESOLVE` fixtures currently pinned to the human
- Setup's 2-scalar reconstruction (0.48/1.835) — these WILL shift by ~5 mm
- at the head sphere once the list-based `init_sphere` port lands (§1.4);
- this is the argued, expected re-baseline the register row already
- documents. Capture a fresh set immediately before the port so the diff is
- attributable to TS-46 alone, not conflated with any other change in the
- same window.
-- The step-height regression: any test currently asserting
- `stepUpHeight/stepDownHeight == 0.4f` for a remote mover will need
- updating once §1.5's plumbing lands (values will vary per-Setup instead of
- being a flat constant) — expect and pre-flag these as intentional breaks,
- not accidental ones.
-
-**Tests expected to break intentionally:** any fixture/golden-value test
-that encodes the CURRENT remote reflect-suppression formula from §2.1 (if
-one exists — not found in this pass, but the porting agent should grep for
-tests asserting `applyBounce`'s old airborne-only condition before deleting
-the code it tests) should break and be rewritten to assert the new
-`shouldReflect` formula instead.
-
-### P4 (AP-71, AP-10)
-
-**Recommended order:** AP-10 (§5) first — it is the lower-risk, better-
-understood item (formula already verbatim, only a constant + a genuinely
-inert-bit promotion). AP-71 (§4) second, and should probably be SPLIT: land
-the `CanBypassMoveRestrictions` two-bit decode (§4.2, an easy addition to
-`EntityCollisionFlagsExt`, since the PWD bitfield parse infrastructure
-already exists per §3.2) and the structural `check_entry_restrictions` gate
-(§4.1, wired to a stub/always-`0` `restriction_obj` so it's a guaranteed
-no-op against every current test scenario, per the register row's own
-"inert in all dev content" argument) SEPARATELY from resolving §4.3's open
-question (where the live `restriction_obj` value comes from) and the new
-`RestrictionDB`/house-guest state that answering it would require. Landing
-the gate function itself with an always-empty restriction source is safe,
-testable (it should be a structural no-op), and unblocks later work without
-waiting on the open question.
-
-**Fixtures/tests to capture BEFORE touching AP-10:** the existing walkable/
-terrain-edge test suite (shoreline walking, any existing water-adjacent
-`TerrainConformanceTests`-family test) — run and record baseline before the
-`0f → 0.1f` change, specifically watching for the float/fall regression
-predicted in §5.2 so it can be attributed correctly (water-depth-caused vs.
-a pre-existing sticky-bit bug newly exposed).
-
-**Tests expected to break intentionally:** none identified for AP-71 (the
-gate is a no-op with an empty restriction source); for AP-10, any test
-literally asserting `SampleWaterDepth(...) == 0f` for a dry corner of a
-partially-water cell will need updating to `0.1f`.
-
----
-
-## 7. Open questions needing live evidence (not guessed)
-
-1. **§1.5** — confirm `CPartArray::GetStepUpHeight`/`GetStepDownHeight`
- actually return `setup->step_up_height * this->scale` (BN mangled the
- FP return into dead stores). Ghidra MCP re-decompile of
- `0x005180d0`/`0x005180f0` once reachable, or a cdb dump of `st0` at
- return.
-2. **§1.5** — retail's step-UP fallback literal (parallel to the confirmed
- `0.0399999991f` step-DOWN fallback) was not independently located; only
- the step-down default was read in the transcribed ranges. Grep
- `CTransition::step_up`'s full body again for a `0.0399999991f`-shaped
- float near the `(state & 2)` gate, or confirm via Ghidra.
-2b. Confirm acdream's `ObjectInfo.StepUpHeight` default of `0.01f`
- (`PhysicsGlobals.DefaultStepHeight`) against whatever retail's actual
- step-up fallback turns out to be (currently AS-CITED it does not match
- the `0.04f` family used everywhere else — worth a dedicated look).
-3. **§2.1** — confirm `CPhysicsObj.state` bit `0x20000` is
- `PhysicsStateFlags.Sledding` by checking `acclient.h`'s `PhysicsState`
- enum directly (not done in this pass; acdream's own prior naming was
- trusted as INFERENCE).
-4. **§2.4 (#165)** — the actual root cause is unresolved; run the
- `ACDREAM_PROBE_RESOLVE`/`ACDREAM_CAPTURE_RESOLVE` capture from §2.4
- against a live repro before writing any fix.
-5. **§4.3 (AP-71)** — the single highest-value open question in this doc:
- is `CObjCell.restriction_obj` a mis-attributed BN field name collision
- between a static DAT-baked count and a live object IID, or does
- `CEnvCell`/`CLandCell` genuinely overwrite the same field at runtime from
- house-related wire data? Needs Ghidra MCP (struct layout + xrefs) or a
- live cdb capture at a real ACE house's locked door.
-6. **§5.1** — the exact retail site of the literal `0.1f` water constant
- (inside `validate_walkable` gated on `isWater`, or elsewhere) was not
- found; ACE's C# port is trusted as the oracle for the FORMULA but not
- for the ORIGINAL retail literal's exact address. Low priority — does not
- block the port (§5.1's conclusion).
-7. **§5.3** — who reads `WATER_CONTACT_TS` (bit 0x8) after
- `SetPositionInternal` writes it. Not found; needs an xref search once
- Ghidra MCP is reachable, or a broader manual read of the pseudo-C for
- `& 8`/`| 8` masks near `transient_state` accesses outside the write site
- already found.
-8. **§5.4** — whether acdream's terrain-collision path already matches
- retail's `ENTIRELY_WATER` + `!ethereal` + `!(state&0x40)` early-exit
- (swim-through-terrain exemption) was not checked; flagged as unverified,
- not as a confirmed match or divergence.
diff --git a/docs/research/2026-07-30-265-capture-bisect.md b/docs/research/2026-07-30-265-capture-bisect.md
deleted file mode 100644
index 86a45038..00000000
--- a/docs/research/2026-07-30-265-capture-bisect.md
+++ /dev/null
@@ -1,682 +0,0 @@
-# #265 capture-driven bisection — steep-slope response family
-
-**Status: FIX IMPLEMENTED 2026-07-30 (same day, §9 as-fixed addendum) —
-closure pends the user's visual-gate acceptance.** S1 and S2 both CLEARED
-for the two concrete mined events; the real mechanism was a pre-existing
-(frozen-phase) architecture, not a Campaign P regression — §1-§8 below are
-the original bisection pass (research-only, no production code changed
-at that point). §9 records what was actually implemented against that
-verdict: `PlayerMovementController.cs`'s grounded residual-velocity zero is
-removed for the animation-root-motion path, and `PhysicsEngine.cs` now
-wires `PhysicsBody.GroundNormal` from the committed contact plane. The
-harness (committed,
-`tests/AcDream.Core.Tests/Physics/Issue265SteepSlopeCaptureBisectTests.cs`)
-and mining tool (`tools/analyze_265_steep_slope_capture.py`) are permanent;
-the A/B code toggles described in §3 were applied and reverted locally
-and never committed (they remain historical — the actual fix is
-unrelated to S1/S2, see §9).
-
-## 0. Scope recap
-
-Issue #265 (`docs/ISSUES.md`): after the TS-4-removal-then-revert
-(`2e27d066`+`a8a7d64b`), the live matrix gate (2026-07-30, scenarios 4/5)
-found three symptoms: (a) jumping INTO an uphill slope bounces (retail does
-not), (b) house-roof slides no longer happen, (c) occasional
-stuck-sliding-on-an-edge. Two remaining Campaign-P suspects were named:
-
-- **S1** — `db2889af` ("#116 shape-1"): `BSPQuery.cs` Path-6's `hasSphere1`
- (head-sphere-only hit while airborne, foot sphere clear) branch changed
- from a steepness-gated dual path (steep → slide-tangent-then-`Slid`;
- shallow → `SetCollide`+`Adjusted`) to an unconditional
- `SetCollisionNormal` + `return Collided`.
-- **S2** — the AP-7 `calc_friction` threshold rewrite (merge `26e0334a`):
- `0.0` → `0.25`, unconditional into-plane velocity subtraction past the
- threshold.
-
-## 1. Segment mining
-
-Captures used: `artifacts/matrix-session2-resolve.jsonl` (15,726 records,
-copied from the coordinator worktree's `artifacts/matrix-session2-resolve.jsonl`)
-and `artifacts/matrix-session3-resolve.jsonl` (12,145 records at copy time).
-
-**Session3 is not usable.** Every one of its 12,145 records shows the
-identical position `(60.372223, 9.071998, 79.344925)`, zero velocity, and
-`transientState=3` (Contact|OnWalkable) from tick 0 to tick 12144 — the
-player was standing perfectly still (likely AFK / alt-tabbed) for the
-entire ~7.2-minute capture window. It contains no motion at all and was
-excluded from further analysis.
-
-### 1.1 First pass — strict signature scan (`tools/analyze_265_steep_slope_capture.py`)
-
-Two signatures were scanned for directly on the JSONL fields:
-
-- **Signature A (uphill-jump bounce)**: an airborne record (`bodyBefore`
- Contact bit clear) with `result.collisionNormalValid=true` and a "steep,
- non-floor, non-wall" normal (`0.02 < normal.Z < FloorZ=0.6642`), followed
- by a next-tick upward jump in `bodyBefore.velocity.z` while still
- airborne.
-- **Signature B (lost-slide / edge-wedge)**: ≥6 consecutive ticks with
- Contact set but OnWalkable clear (resting against a non-walkable steep
- surface), a non-trivial requested move each tick, and near-zero net
- advance.
-
-**Result: 0 hits for both signatures, in both files.** Session2 has only
-38 `collisionNormalValid=true` records total (out of 15,726), and every one
-of them has `normal.Z` in the `[0.85, 1.0]` bucket — i.e. every reported
-collision normal in this capture is CLOSE TO FLAT/floor-like, never in the
-"genuinely steep" `< FloorZ` band my first-pass signature targeted. This is
-an honest negative result for the specific "steep" heuristic; the actual
-symptom-bearing frames, mined below, are moderate-angle (Z≈0.86–0.95,
-above `FloorZ` — walkable BY THE THRESHOLD) and are found by a different
-signature.
-
-### 1.2 Second pass — velocity-annihilation scan
-
-Widened the signature to "a tick where `|horizontal velocity|` before is
-`>2 m/s` and after (next tick) is `<0.05 m/s`, then how long the position
-stays frozen afterward." This found exactly **two events**, both in
-session2:
-
-| idx (0-based) | tick | `|v_horiz|` before | frozen for | cell |
-|---|---|---|---|---|
-| 3153 | 3153 | 8.90 m/s | 46+ ticks (session2 continues past it; not EOF) | `0xAAB30007` |
-| **3434** | **3434** | **18.00 m/s** | **12,292 ticks — to EOF** | `0xAAB40011` |
-
-**Event at idx 3433/3434 (the primary oracle for this pass), full trace**
-(`records[3415..3434+41]`, printed via ad-hoc Python — see
-`tools/analyze_265_steep_slope_capture.py` for the reusable scanner):
-
-- Ticks 3415–3432: clean ballistic fall. `vBefore = (11.15, 14.13, vz)`
- with `vz` accumulating from ‑16.72 to ‑23.14 (pure gravity, no further
- horizontal drive — a jump/leap with residual momentum, exactly the kind
- of trajectory the oracle plan's §1.3 predicted would NOT hit the
- TS-4 degenerate case). `Z` falls from 92.79 to 79.90.
-- **Tick 3433 (the landing):** `result.collisionNormalValid=true`,
- `result.collisionNormal=(0.2857143, 0.42857143, 0.85714287)` — exactly
- `(2,3,6)/7`, a REAL polygon normal (not the `UnitZ` degenerate default).
- `result.isOnGround=true`. `bodyAfter.contactPlaneValid=true`,
- `bodyAfter.walkablePolygonValid=true`, `bodyAfter.walkableVertices` = the
- triangle `(240,0,88), (264,0,80), (264,24,68)` — `normal.Z=0.857`, well
- ABOVE `PhysicsGlobals.FloorZ` (0.6642): **a legitimately walkable roof
- slope, not the "steep, non-walkable" case either S1 or the original TS-4
- shortcut ever targeted.** `bodyAfter.velocity` is UNCHANGED
- `(11.15,14.13,‑23.14)` — confirms (see `PhysicsEngine.cs:1489`, capture
- fires inside `ResolveWithTransition`, before any caller-side velocity
- response) that neither `calc_friction` nor `HandleAllCollisions` ran yet.
-- **Tick 3434 (the very next resolve call):** `input.currentPos ==
- input.targetPos` (ZERO requested motion this tick — the previous frame's
- integration already produced zero displacement). `bodyBefore.velocity =
- (0, 0, 0)` — **already fully zeroed by the time THIS resolve call even
- starts.** `transientState=7` (Contact|OnWalkable|Sliding). Every
- subsequent record (12,292 of them, to the literal end of the file) is
- byte-identical: same position, same zero velocity, same
- `transientState=7`.
-
-**Event at idx 3152/3153** is the same shape at a shallower ~18° roof edge
-(`normal≈(0,0.32,0.95)`): the player glides/climbs cleanly along the edge
-for ~140 ticks (idx 3016–3152, gaining ~10 m of Z — this portion is
-healthy behavior), then at idx 3153 horizontal velocity is forced to
-exactly zero in one tick and the position freezes for the rest of the
-examined window.
-
-**Both events are the SAME shape**: a real, correct, non-default collision
-normal is recorded on the landing tick; on the very next tick the mover's
-full horizontal velocity has already vanished and the position never
-changes again. This is what the user experiences as "roof slides no
-longer happen" (symptom b) and "occasional stuck-sliding-on-an-edge"
-(symptom c). Neither event's landing surface is steep by `FloorZ` — both
-are moderate, walkable-by-threshold roof pitches.
-
-## 2. Replay harness
-
-`Issue265SteepSlopeCaptureBisectTests.cs` builds a synthetic
-`PhysicsEngine` containing ONE polygon — the exact real triangle recovered
-from record 3433's `bodyAfter.walkableVertices` — registered via
-`ShadowObjectRegistry`, then replays the EXACT real captured ballistic
-state (position + velocity, record index 3415) forward with real gravity
-at 30 Hz, calling `PhysicsEngine.ResolveWithTransition` every tick exactly
-like `PlayerMovementController` does at the Core boundary. Once the mover
-reports `IsOnGround`, the harness keeps REQUESTING the same forward
-velocity every tick (simulating held input) — this is deliberate: it turns
-the harness from "replay what the live game did" (which trivially
-reproduces the freeze, since the live game's own subsequent inputs were
-already zero — see §4) into "does the physics engine itself allow
-continued advance across this surface," which is the actual question S1
-and S2 bear on.
-
-### 2.1 Harness commissioning (three real bugs found and fixed while building it — kept as code comments)
-
-1. `ShadowObjectRegistry.Register`'s broad-phase culls by distance from
- `worldPos`. Registering at the literal real-world coordinates (X≈256)
- while querying at world origin put the polygon ~264 units away — the
- very first run found **zero collisions at all**. Fixed by re-anchoring
- the whole synthetic scene (triangle + approach trajectory) at the
- triangle's centroid.
-2. `CellTransit.BuildShadowCellSet`'s outdoor flood
- (`CellTransit.AddAllOutsideCells`) treats world position as
- landblock-local (an anchor-frame convention shared with
- `Ts4SteepRoofWedgeCaptureTests`/`DoorBugTrajectoryReplayTests`, active
- whenever `CellGraph.TryGetTerrainOrigin` has no real terrain to
- consult). The real-world coordinates (X≈256) are outside the valid
- `[0,192)` per-landblock range even after centroid re-anchoring picked a
- bad cell id — still zero collisions.
-3. `LandDefs.AdjustToOutside` (inside the flood) **silently re-derives**
- the actual `(lx,ly)` grid cell from the sphere's real position and
- corrects a mismatched seed rather than honoring the literal
- `seedCellId` passed to `Register` — an arbitrary chosen cell id
- (`0x00000011`) registered successfully (`TotalRegistered=1`) but
- `GetObjectsInCell(0x00000011)` came back empty; the entity had actually
- landed in cell `0x00000001` (the canonical grid-(0,0) cell, matching
- the re-anchored centroid). Switching the harness's cell id to
- `0x00000001` fixed it.
-
-These are documented in the test file's code comments in case another
-harness hits the same three traps.
-
-## 3. A/B outcomes
-
-### (i) HEAD vs (ii) S1-reverted
-
-The S1 revert (`BSPQuery.cs`'s `hasSphere1` branch restored to the
-pre-`db2889af` steepness-gated dual path, mirroring the still-current
-`sphere0` branch — applied locally, verified `git diff --stat` clean
-before and after, never committed) produced **byte-identical output** to
-HEAD for the full 80-tick replay: same landing tick (19), same clean
-44-tick glide (ticks 20–62, `adv=0.5149` every tick, `cnv=false`), same
-freeze at tick 63 (`adv=0.0000` for 16+ consecutive ticks, capped by the
-harness's tick budget — it would continue indefinitely), same recorded
-`collisionNormal=(-0.958,0.128,0.256)` from that point on.
-
-**Why they're identical — confirmed by diagnostic instrumentation**
-(`PhysicsDiagnostics.ProbeIndoorBspEnabled`/`ProbeBuildingEnabled`, the
-`[path-dispatch]`/`[path5-diag]` probes `db2889af` itself added): across
-the entire 80-tick replay, **`hit1=True` never appears once.** The two
-`[path-dispatch] ... collide=True ... contact=False ...` lines (Path 6
-firing during the airborne approach) are followed by
-`insertType=Placement` (Phase 3's walkable-landing retry succeeding) —
-this is the STILL-UNCHANGED `sphere0` (foot) branch's graceful
-`SetCollide`→`Adjusted`→Phase-3-Placement chain, not the `hasSphere1`
-branch S1 touched. Once grounded, every subsequent Path-5 dispatch reports
-`hit0=False hitPoly0=False` then `hit1=False hitPoly1=False` — a genuinely
-clean glide with no collision at all, which is why the S1 edit (which only
-fires inside `if (hit1 || hitPoly1 is not null)`) never executes for this
-trajectory. **S1's site is provably unreached by the real mined
-trajectory that produced the freeze.** Reverting code that never runs
-cannot change the outcome — this is not a coincidence, it's the direct
-mechanical explanation.
-
-### (iii) S2 toggle
-
-**Not run as a harness A/B — proven inert by static analysis instead.**
-`grep -rn "\.calc_friction(" src/` returns **zero production call sites** —
-the only callers of `PhysicsBody.calc_friction` in the entire repository
-are its own unit tests (`tests/AcDream.Core.Tests/Physics/PhysicsBodyTests.cs`).
-`PlayerMovementController.cs` mentions it only in a code comment
-(line ~2021, "friction next frame") — it is never invoked. Neither
-`ResolveWithTransition` nor `PlayerMovementController`'s tick loop calls
-`calc_friction` anywhere. **S2's threshold value (0.0 vs 0.25) cannot
-affect any live or replayed behavior, full stop** — there is no toggle to
-run because there is no live code path to toggle.
-
-### (iv) Both reverted
-
-Follows immediately from (ii) and (iii): with S1 reverted producing
-byte-identical output to HEAD, and S2 provably inert, the "both" variant
-is mathematically identical to (ii), which is identical to (i). No
-separate run was needed.
-
-### A/B summary table
-
-| Variant | Landing tick | Clean glide (ticks 20-62) | Freeze at tick 63+ | Notes |
-|---|---|---|---|---|
-| (i) HEAD | 19 | yes, `adv=0.5149`/tick | yes, frozen forever | `hit1` never true |
-| (ii) S1 reverted | 19 (identical) | yes (identical) | yes (identical) | S1's branch unreached |
-| (iii) S2 toggle | n/a | n/a | n/a | dead code, no call sites |
-| (iv) both | 19 (identical) | yes (identical) | yes (identical) | follows from (ii)+(iii) |
-
-## 4. The actual mechanism (found by hand-tracing the live capture against `PlayerMovementController.cs`, independently confirming it explains BOTH mined freeze events exactly)
-
-Neither S1 nor S2 touch velocity. The full-zero-in-one-tick signature
-(§1.2) is produced by two pre-existing, Campaign-P-independent pieces
-working in sequence:
-
-1. **The landing tick** (`PlayerMovementController.cs`, the
- `if (resolveResult.IsOnGround && _body.Velocity.Z <= 0f)` block):
- Contact+OnWalkable are set, and — because `Velocity.Z < 0` — ONLY the
- Z component is hand-zeroed: velocity becomes `(11.15, 14.13, 0)`.
- `PhysicsObjUpdate.HandleAllCollisions` then runs with `shouldReflect =
- true` (the mover was airborne the frame before: `prevOnWalkable=false`
- makes `shouldReflect` unconditionally true regardless of the new
- grounded state — see `PhysicsObjUpdate.cs:163-164`). But
- `dot(velocity, collisionNormal) = dot((11.15,14.13,0),
- (0.286,0.429,0.857)) ≈ +9.25` — POSITIVE (moving away from, not into,
- the surface, because the Z component that would have made it negative
- was just zeroed) — so the `if (dot < 0f)` reflection guard
- (`PhysicsObjUpdate.cs:177`) never fires. Velocity survives this tick as
- `(11.15, 14.13, 0)`.
-2. **The very next tick** (`PlayerMovementController.cs:1868-1882`, added
- 2026-07-20 by `f961d700`, "port retail complete object frame
- pipeline" — R6, well before Campaign P):
- ```csharp
- if (_body.OnWalkable)
- {
- float savedWorldVz = _body.Velocity.Z;
- if (hasAnimationRootMotion)
- {
- _body.Velocity = new Vector3(0f, 0f, savedWorldVz);
- }
- ...
- }
- ```
- `OnWalkable` is now true (set last tick), so this runs UNCONDITIONALLY,
- EVERY tick, for as long as the mover stays grounded: it zeros
- `Velocity.X/Y` to exactly zero (`savedWorldVz` is already 0 from step
- 1), replacing physics-integrated horizontal velocity with
- animation-root-motion-driven displacement (`pmDelta.Origin`, populated
- from `_advanceAnimationRootMotion`, which only produces nonzero
- displacement when a movement key is actually held). **With no key held
- at the instant of landing, `pmDelta.Origin` stays `Vector3.Zero` forever,
- and the mover never advances again.** This reproduces `bodyBefore.velocity
- = (0,0,0)` at record 3434 exactly, and the permanent freeze that follows.
-
-This is the R6 "local player animation-owned grounded movement"
-architecture: once grounded, walking is driven entirely by held-input +
-animation root motion, not by integrating `Velocity`. It has been in
-place since 2026-07-20 — **ten days before Campaign P and the TS-4
-removal/revert (2026-07-29/30)** — and is explicitly a frozen-phase
-architecture per the milestones doc (R6 shipped; the freeze list bars
-rework without a dedicated brainstorm). It is retail-DIVERGENT in one
-specific way that matters here: retail does not need a held key to carry
-residual momentum across a landing — a fast fall onto a walkable-but-
-sloped surface should glide/sled per `docs/ISSUES.md` #166 ("Slope-landing
-glide + bounce absent... acdream lands clean and dead"), which is filed,
-open, and explicitly OUT OF SCOPE for this pass (the `Sledding`
-`PhysicsStateFlags` bit that would let `calc_friction`'s Sledding-gated
-overrides engage is never set anywhere in the codebase — a separate,
-already-tracked gap).
-
-`git log --oneline -3 -- src/AcDream.Core/Physics/PhysicsObjUpdate.cs`
-confirms `HandleAllCollisions` itself was also last touched by an
-unrelated water fix (AP-10, `cc8d57a2`) — Campaign P did not modify it
-either.
-
-## 5. Re-reading the oracle plan's S1 claim against the mined evidence
-
-The task asked specifically: if S1's port is faithful but its SCOPE is
-wrong, say exactly that. Re-checked against
-`docs/research/2026-07-30-ts4-116-oracle-plan.md` §2.3-§2.4 and §3, plus
-this pass's own finding:
-
-- **S1's port IS faithful in isolation.** Its cited sources
- (`acclient_2013_pseudo_c.txt:323824-323834`, ACE `BSPTree.cs:221-230`)
- are an exact structural match — not a BN misdecompile, not a citation
- error. This was independently re-verified by reading the current
- `BSPQuery.cs:2259-2302` against the same two sources again this pass; no
- discrepancy found.
-- **S1's scope is narrower than any symptom this pass could reproduce —
- not wider.** The oracle plan's own Addendum 2 (§"implementation
- session") already found this exact pattern once, for the door
- tick-22760 capture: the hypothesis assumed the "not-yet-in-Contact"
- branch would fire, but the mover was actually GROUNDED (`Contact` set),
- so dispatch went to Path 5 instead and S1's site was never reached. This
- pass finds the SAME pattern a second, independent time, for a
- DIFFERENT capture (a genuine airborne fall, not a grounded door-push):
- the foot sphere (`sphere0`) reaches the rising/sloped polygon at the
- same moment as or before the head sphere, so the `if (hit0 ||
- hitPoly0 is not null)` branch above `hasSphere1`'s check fires first and
- RETURNS before `hasSphere1`'s block is ever entered
- (`BSPQuery.cs:2188` gates the whole `hasSphere1` block behind falling
- through that first `if`). `hit1=True` never appears once across the
- entire 80-tick replay, confirming this mechanically, not just by
- inference.
-- **Two independent capture families (a grounded door-push, and now an
- airborne fall-and-land) both show S1's site going unreached.** This
- strongly suggests S1's real-world reach is much narrower than its
- authors worried — for it to matter, a trajectory would need the FOOT
- sphere to stay clear while the HEAD sphere alone grazes a polygon
- during an airborne (not-yet-grounded) frame — e.g. jumping up under an
- overhang, or clipping a roof's underside while airborne with the feet
- still below the eave line. **Neither of #265's two concrete mined
- freeze events is that geometry.** S1 remains a real, citable, retail-
- faithful port-accuracy improvement and should NOT be reverted on this
- evidence (it fixes a genuine, if narrow, divergence for whenever its
- exact geometry does occur) — but it is not implicated in the symptoms
- #265 was filed against.
-
-## 6. Named culprit
-
-**Neither S1 nor S2. This is S3 — but not a NEW regression: it is the
-pre-existing, frozen-phase R6 "grounded movement is animation-root-motion-
-owned" architecture (`PlayerMovementController.cs:1868-1882`, landed
-2026-07-20 via `f961d700`, ten days before Campaign P), which
-unconditionally zeros the mover's horizontal `Velocity` every tick once
-`OnWalkable` is true, with no gate on approach speed, surface steepness,
-or how the mover became grounded.** It was mechanically traced, tick by
-tick, against BOTH of #265's concrete mined freeze events and reproduces
-the observed `(0,0,0)` velocity and permanent position-freeze exactly.
-
-This explains symptom (b) (roof slides don't continue — there is no
-"continue," walking requires a held key that landing doesn't supply) and
-symptom (c) (stuck at the landing spot indefinitely) completely, for both
-mined events. It does **not**, by itself, explain symptom (a) (the
-"bounce" on jumping into an uphill slope) — that is a property of
-`PhysicsObjUpdate.HandleAllCollisions`'s elastic reflection (`shouldReflect
-= true` whenever the mover was NOT already on walkable ground before AND
-after the resolve — `PhysicsObjUpdate.cs:163-164`), which is ALSO
-pre-existing (from the #182 rebuild, well before Campaign P) and fires for
-ANY valid `CollisionNormal` reported while airborne, regardless of which
-BSPQuery branch produced it. This pass did not find or replay a concrete
-"bounce" event in the captures (the closest analogue — the tick-63
-edge-freeze in the replay harness — shows a suspicious secondary normal,
-`(-0.958,0.128,0.256)`, unrelated to the registered polygon's own plane
-normal, with Path-5 diagnostics showing no fresh BSP hit during the frozen
-ticks; this smells like stale `ContactPlane`/`CollisionNormal` persistence
-at a polygon boundary rather than a fresh reflection, and — like the S1
-revert — was unaffected by reverting S1. It is flagged as a genuine open
-question, not resolved this pass, and may be an artifact of this
-harness's single small (24-unit) synthetic triangle rather than a general
-production bug; a real roof's continuous mesh would not present a "run off
-the edge of a 24-unit patch" boundary at all. See §7).
-
-## 7. What's still open (do not guess, per CLAUDE.md)
-
-1. **Why does the user perceive this as a NEW regression coinciding with
- Campaign P**, if the freeze mechanism (§4) predates it by ten days and
- is unaffected by S1/S2? Two honest hypotheses, neither confirmed:
- (a) the roof-jump/fall scenario was specifically exercised for the
- FIRST time as part of the Campaign P visual matrix (scenarios 4/5),
- surfacing a pre-existing bug rather than a new one; (b) a genuinely
- separate, not-yet-isolated interaction exists. Resolving this needs
- either a live retail-vs-acdream side-by-side of the EXACT same
- fall-and-land-with-no-input scenario pre-Campaign-P (to confirm the
- freeze is not new), or a fresh capture of the user's ACTUAL "roof
- slide" repro (holding a movement key throughout, not a passive fall) to
- see whether the animation-root-motion path (which DOES produce
- displacement while a key is held) also fails.
-2. **The tick-63 edge freeze** in this pass's own harness (§6, closing
- parenthetical) — a `CollisionNormal` unrelated to the registered
- polygon's plane, reported while Path-5 diagnostics show no fresh hit.
- Candidate next step: extend the harness's synthetic roof to several
- contiguous polygons (removing the small-triangle-edge artifact) and
- re-run; if the freeze persists on a much larger interior region, it is
- a real, separate, third mechanism worth its own root-cause pass
- (possibly `SpherePath.PrecipiceSlide`'s edge-crossing test, or stale
- `LastKnownContactPlane` persistence — NOT yet confirmed, do not guess
- further).
-3. **Symptom (a)'s bounce** was analyzed only by static code reading
- (`HandleAllCollisions`'s reflection math), not independently reproduced
- against a live-captured bounce event — none of the 38
- `collisionNormalValid=true` records in session2 showed the "airborne,
- then a large upward `Velocity.Z` jump next tick" signature this pass's
- Signature-A scanner looked for. A fresh capture specifically of a
- jump-into-an-upward-slope repro (ideally with `ACDREAM_PROBE_RESOLVE=1`
- or `ACDREAM_CAPTURE_RESOLVE` active for the WHOLE approach, not just
- the moment of impact) would let Signature A actually fire and give a
- concrete oracle the way records 3433/3434 did for the freeze.
-
-## 8. Recommended fix direction
-
-**Do not touch S1** (`BSPQuery.cs`'s `hasSphere1` branch) — it is a real,
-narrow, retail-faithful improvement unrelated to #265's two concrete mined
-events; reverting it would only reopen the #116 shape-1 door-collision gap
-it was written to close, for zero benefit here.
-
-**Do not spend further effort on S2** (`calc_friction`'s threshold) until
-it is actually wired into a live code path — right now changing it changes
-nothing observable, in either direction. If/when `calc_friction` IS wired
-into `PlayerMovementController` (a legitimate future piece of closing #166,
-the downhill-sled issue), the 0.25 threshold becomes live and worth
-re-testing at that point, not before.
-
-**The real target is #166 + the grounded-movement architecture (§4/§6),
-which is a frozen-phase design question, not a quick fix.** Per CLAUDE.md's
-"the roadmap and the observed bug disagree → brainstorm before writing
-code" rule, this needs `superpowers:brainstorming` before any
-implementation: does acdream want a genuine physics-driven momentum carry
-across a landing (porting the retail `Sledding` state + a real
-`calc_friction` wiring), or a narrower "if IsOnGround at high incoming
-speed, force a minimum coast distance regardless of held input" patch? The
-former is retail-faithful and already has a filed target (#166); the
-latter would be a new, unfiled design decision. Either way, this is
-explicitly NOT an S1/S2 code change — it is new work against
-`PlayerMovementController.cs`'s grounded-movement block and
-`PhysicsBody.calc_friction`'s wiring, gated on a design conversation, not a
-revert.
-
-## 9. As-fixed addendum (2026-07-30, same day — implementation session)
-
-The user chose the retail-faithful direction (§8's first option): port the
-genuine physics-driven momentum carry, wiring `calc_friction` for real
-rather than adding a narrower coast-distance patch. Implementation
-landed the same day as this bisect.
-
-### 9.1 The fix
-
-Two changes, both minimal and at the exact commit points already
-responsible for the adjacent state:
-
-1. **`src/AcDream.Core/Physics/PhysicsEngine.cs`** — `body.GroundNormal`
- (the vector `calc_friction` dots velocity against, per its own doc
- comment "`angle = dot(velocity, contactPlane.N)`") had **zero
- production writers anywhere** before this fix; it silently defaulted
- to `Vector3.UnitZ` forever (`grep -rn "GroundNormal\s*=" src/` found
- only the property's own default and calc_friction's internal reads/
- writes). This is a SEPARATE gap from the one §4 found — even if
- Velocity had survived the grounded-tick zero, friction would have
- dotted it against a fake flat-ground normal on any real slope,
- producing wrong physics. Fixed by syncing
- `body.GroundNormal = ci.ContactPlane.Normal` (or
- `ci.LastKnownContactPlane.Normal`) at the exact block
- (`PhysicsEngine.cs` ~:1297-1320) that already publishes
- `body.ContactPlane`/`ContactPlaneValid` after every resolve — Core-level,
- so player, remote, ordinary, and projectile movers all get a real
- slope normal for free (matching the task's "the mechanism is general"
- requirement; the ordinary/remote physics updaters
- (`RuntimeOrdinaryPhysicsUpdater.cs`, `RuntimeRemotePhysicsUpdater.cs`)
- already compose root motion + `UpdatePhysicsInternal` cleanly, with no
- destructive zero — this fix brings the player path in line with its
- own siblings, not a novel invention).
-
-2. **`src/AcDream.Runtime/Gameplay/PlayerMovementController.cs`** — the
- grounded-tick block §4 identified (`if (_body.OnWalkable) { ... if
- (hasAnimationRootMotion) _body.Velocity = new Vector3(0f, 0f,
- savedWorldVz); ... }`) no longer reconstructs `Velocity` AT ALL for the
- `hasAnimationRootMotion` case (production graphical local-player
- path). The condition is now `if (_body.OnWalkable &&
- !hasAnimationRootMotion)`, so ONLY the headless/test-controller
- `get_state_velocity` fallback (unchanged) still writes velocity here.
- Root motion continues to fully own commanded locomotion (walking
- displacement still comes from `pmDelta.Origin`, never from
- `Velocity`) — this does not reintroduce command- or packet-cadence-
- derived grounded translation (the DO-NOT-RETRY rule in
- `claude-memory/project_physics_collision_digest.md`); it only stops
- DESTROYING whatever `Velocity` already holds. The existing
- `preIntegratePos`/`postIntegratePos` bracketing (root-motion apply,
- then `calc_acceleration()` + `UpdatePhysicsInternal(tickDt)`, then
- `ResolveWithTransition(preIntegratePos, postIntegratePos, ...)`) was
- ALREADY structurally correct for composing both channels — retail's
- `CPhysicsObj::UpdatePositionInternal` composition model — so no
- further restructuring was needed once the destructive zero was
- removed.
-
-### 9.2 Fixture results (freeze → slide, proven)
-
-`Issue265SteepSlopeCaptureBisectTests.cs` gained a `ComposedTickSample`
-harness (`ReplayRealRoofLandingComposed`) that mirrors
-`PlayerMovementController.cs`'s per-tick composition line-for-line using
-only Core types (`PhysicsBody`, `PhysicsObjUpdate.HandleAllCollisions`,
-`PhysicsEngine`), parameterized by a
-`preserveResidualVelocityOnGroundedTick` toggle representing the old vs.
-new shape:
-
-- **`ComposedRoofLanding_OldZeroingModel_ReproducesTheMinedFreeze`**
- (toggle `false`): reproduces the exact mined signature — velocity forced
- to `(0,0,0)` the tick after landing, frozen solid (`FrozenStreak` grows
- unbounded) for the rest of the replay.
-- **`ComposedRoofLanding_NewFix_VelocitySurvivesAndPositionKeepsAdvancing`**
- (toggle `true`): the SAME captured landing (velocity `(11.15, 14.13,
- -23.14)` onto the real `(2,3,6)/7` roof normal) now survives the Z-only
- hand-zero with its full horizontal speed, and the position advances
- every single tick (`adv=0.5149` per tick, `onWalk=true`, `frozen=0`)
- for the entire post-landing window — a genuine sustained glide, not a
- freeze. (The original small real-captured triangle had to be enlarged
- 6x about its centroid — same plane, same normal, same landing point/tick,
- see `MakeRoofEngine`'s new `scale` parameter — because the real glide
- travels ~50 m over the test window and would otherwise run off the
- tiny real triangle's edge into the SEPARATE small-triangle-boundary
- artifact §7 item 2 already flagged; that artifact is confirmed
- real and unrelated to this fix, see §9.4.)
-- **`ComposedRoofLanding_NewFix_SyntheticGrazingApproach_DecaysViaCalcFriction`**:
- a synthetic variant (same roof polygon, a deliberately different
- approach velocity chosen so `dot(velocity, GroundNormal) < 0.25` after
- landing) proves genuine exponential decay: speed at landing ≈ 6.0 m/s
- decays tick-by-tick down to the `SmallVelocitySquared` hard-zero floor
- by roughly tick 33 after landing — retail's `calc_friction` formula
- working exactly as ported.
-
-**Important nuance:** the REAL captured landing (record 3433's velocity
-and normal) happens to fall in retail's "moving away fast enough, no
-friction" band (`dot(velocity, GroundNormal) ≈ +9.25 ≥ 0.25`) — so it
-glides at CONSTANT velocity across the roof rather than visibly decaying.
-This is not a bug; retail's own `calc_friction` early-returns in exactly
-this case (the velocity's horizontal projection points "downhill," same
-direction as the normal's horizontal projection — see the derivation in
-§9.3). The task's framing ("decays over subsequent ticks") is
-demonstrated by the separate synthetic case above, which deliberately
-selects a velocity/normal pairing where retail's own formula calls for
-decay; the real mined case demonstrates the OTHER correct retail outcome
-(sustained glide) for its own geometry. Both are "survives and slides,"
-never "freezes" — the actual acceptance bar.
-
-### 9.3 Downhill direction derivation (for the synthetic decay case)
-
-For a planar triangle with outward normal N and any point P on the
-plane, `dot(N, P - centroid) = 0` (coplanarity). For a slope where Z
-increases as you move "uphill," the outward normal's horizontal
-projection points toward LOWER Z (downhill) — e.g. plane `z = m·x`
-(uphill as x increases) has normal `∝ (-m, 0, 1)`, whose horizontal
-component `-m` points toward decreasing x (downhill). The real captured
-roof normal `(0.2857, 0.4286, 0.8571)` has horizontal projection
-`(0.2857, 0.4286)` pointing downhill; the captured velocity's horizontal
-component `(11.15, 14.13)` points in nearly the same direction (both
-positive, roughly proportional) — i.e. the mover is genuinely sliding
-DOWN and AWAY from the impact point, which is exactly why
-`dot(velocity, normal)` comes out strongly positive and friction
-correctly declines to engage.
-
-### 9.4 Runtime-level regression tests + a second, unrelated mechanism found
-
-`tests/AcDream.Runtime.Tests/Gameplay/PlayerMovementControllerTests.cs`
-gained two tests exercising the REAL `PlayerMovementController` (not just
-the Core-level model):
-
-- **`Update_AnimationRootMotion_WalkSpeedUnaffectedByResidualVelocityFix`**:
- ordinary root-motion walking (no fall/collision in flight) advances by
- exactly the authored per-tick delta for 30 ticks and `BodyVelocity`
- stays exactly zero throughout — confirming the fix is a complete no-op
- for the common "just walking around" case, pinning the L.3c hazard
- (`claude-memory/project_physics_collision_digest.md`'s DO-NOT-RETRY
- table) at the Runtime level in addition to the existing
- `GroundedRootMotion_FrictionThreshold_DoesNotHammerLocomotionTests`
- Core-level pin (unmodified, still green).
-- **`Update_RunningJumpLandsOnFlatGround_ResidualVelocitySurvivesAndDecays_NotFrozen`**:
- a real charged running jump (forward + jump, full production dispatch)
- lands on flat ground and its residual horizontal speed survives the
- first post-landing tick, then measurably decays (flat ground:
- `dot(velocity, (0,0,1)) ≈ 0 < 0.25`, so friction DOES engage here,
- unlike the real roof capture above).
-
-**Building this test surfaced a second, genuinely separate,
-already-registered mechanism** (temporary `Console.WriteLine`
-instrumentation was added and fully removed per CLAUDE.md's diagnostic-
-logging discipline): `MotionInterpreter.LeaveGround()`
-(`CMotionInterp::LeaveGround` 0x00528b00, R3-W4/J7/J8, unrelated to
-#265/#166) recomputes and OVERWRITES `PhysicsObj.Velocity` from
-`GetLeaveGroundVelocity()` on the grounded→airborne edge, using whatever
-forward command is interpreted AT THAT EXACT TICK — a real, intentional,
-already-ported retail behavior. Releasing the forward key in the SAME
-tick this edge fires (an early test-construction mistake, not a
-production concern) clobbers the just-launched velocity. Separately,
-`MotionInterpreter.ApplyCurrentMovementInterpreted`'s AP-77
-"animation-less/headless movement fallback" (register row AP-77,
-already correctly scoped: "When `MotionInterpreter.DefaultSink` or the
-local PartArray callback is absent...") ALSO rewrites grounded velocity
-from `get_state_velocity()` on every `HitGround`/`LeaveGround` re-apply
-when no `DefaultSink` is wired — which is exactly the state of a
-`PlayerMovementController` built directly in a unit test without wiring
-one. Production (`GameWindow`) always wires a real `DefaultSink`, so
-neither mechanism is live there; the fixed test (1) holds Forward for one
-extra tick so `LeaveGround`'s one-time recompute captures the real
-launch velocity before releasing it, and (2) wires a minimal
-`FakeAnimationDispatchSink` as `controller.Motion.DefaultSink` so
-`ApplyCurrentMovementInterpreted` takes its real dispatch branch instead
-of the AP-77 fallback — making the test representative of the production
-graphical path rather than the headless one. **Neither mechanism
-required any production code change or register update** — AP-77's row
-already accurately describes its scope, and `LeaveGround`'s behavior is
-intentional retail-ported behavior, not a bug this task touches.
-
-### 9.5 Symptom (a), the uphill bounce — confirmed separate, unaffected
-
-Re-derived `PhysicsObjUpdate.HandleAllCollisions`'s `shouldReflect` gate
-byte-for-byte against the raw retail decomp
-(`acclient_2013_pseudo_c.txt:282647-282760`,
-`CPhysicsObj::handle_all_collisions`) this session:
-`var_10_1` (== `shouldReflect`) ends up `!(arg4 && (transient_state & 2)
-!= 0 && !sledding)` where `arg4` is `prevContact`/`prevOnWalkable`
-captured at `SetPositionInternal` entry (before this call's own commits)
-and `transient_state & 2` is read live inside `handle_all_collisions`
-itself — i.e. AFTER `set_on_walkable` has already committed the
-DESTINATION's OnWalkable bit. This is **exactly** `PhysicsObjUpdate.
-HandleAllCollisions`'s existing `shouldReflect = !(prevOnWalkable &&
-nowOnWalkable && !sledding)` — a byte-exact port, not a translation bug.
-For ANY fresh landing from airborne (`prevOnWalkable=false`), retail
-itself reflects whenever the collision normal shows "moving into the
-surface" (`dot < 0`), REGARDLESS of whether the destination is walkable.
-This is the SAME mechanism AD-25 closed (2026-07-30, Campaign P Slice
-P3, docs/ISSUES.md #166) for both local and remote movers — confirmed
-pre-existing and out of scope for this task, matching CLAUDE.md's "do
-not fix code that matches retail" rule.
-
-`UphillLanding_Synthetic_ReflectionDecisionUnaffectedByResidualVelocityFix`
-(`Issue265SteepSlopeCaptureBisectTests.cs`) constructs a synthetic
-30°-uphill walkable slope, a falling-forward approach with `dot(velocity,
-normal) < 0` by construction, and runs `HandleAllCollisions` with and
-without the residual-velocity-preserving toggle applied AFTERWARD. The
-reflection decision (and its resulting velocity) is identical either way
-— proving the #265/#166 fix is orthogonal to whatever
-`HandleAllCollisions` decides, not a cause of or a fix for the bounce.
-The test's own log line documents the specific synthetic case DOES
-reflect (`Vz` goes from `0` to `+2.27` on this exact input), consistent
-with retail's byte-exact algorithm — evidence for a future dedicated pass
-if the user's live repro still shows an unwanted bounce, not a verdict
-this task renders.
-
-### 9.6 Test/file summary
-
-- `src/AcDream.Core/Physics/PhysicsEngine.cs` — `GroundNormal` sync.
-- `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs` — grounded
- block no longer zeros `Velocity` for the animation-root-motion case.
-- `tests/AcDream.Core.Tests/Physics/Issue265SteepSlopeCaptureBisectTests.cs` —
- `MakeRoofEngine`'s new `scale` parameter, `ComposedTickSample` +
- `ReplayRealRoofLandingComposed`, and four new `[Fact]`s (old-model
- freeze pin, new-fix slide proof, synthetic decay proof, uphill-bounce
- orthogonality proof).
-- `tests/AcDream.Runtime.Tests/Gameplay/PlayerMovementControllerTests.cs` —
- `FakeAnimationDispatchSink` + two new `[Fact]`s (walk-speed no-op pin,
- real running-jump landing survival+decay pin).
-- `docs/ISSUES.md` — #265 and #166 updated (fix implemented, closure
- pends the user's visual-gate acceptance).
-- `docs/architecture/retail-divergence-register.md` — AP-7's retirement
- note corrected (the 0.25f threshold port was always right; it had
- nothing real to operate on until this fix closed both the grounded-
- velocity-zero and the `GroundNormal`-wiring gaps). No new row filed —
- this change ports retail's mechanism faithfully; it does not introduce
- a new deviation.
-
-### 9.7 Verification
-
-`dotnet test` (Release): 4074 Core tests / 2 skips, 434 Runtime tests / 0
-skips, 3971 App tests / 3 skips — all green, no regressions. Complete
-solution suite (9 projects): 9993 total, 9988 passed, 5 skipped, 0
-failed.
diff --git a/docs/research/2026-07-30-animation-parity-audit.md b/docs/research/2026-07-30-animation-parity-audit.md
deleted file mode 100644
index ab7ada33..00000000
--- a/docs/research/2026-07-30-animation-parity-audit.md
+++ /dev/null
@@ -1,713 +0,0 @@
-# Animation system parity audit — retail vs acdream (2026-07-30)
-
-**Status: COMPLETE — report-only investigation, no code changes made.**
-
-Scope: `CMotionInterp` / `CSequence` / `MotionTableManager` / `CMotionTable`
-retail method surfaces vs acdream's `src/AcDream.Core/Physics/MotionInterpreter.cs`,
-`src/AcDream.Core/Physics/Motion/*`, `src/AcDream.Core/Physics/AnimationSequencer.cs`,
-`src/AcDream.App/Rendering/Vfx/AnimationHookFrameQueue.cs`.
-
-**Bottom line:** the core animation-selection/playback stack
-(`MotionInterpreter`/`CSequence`/`CMotionTable`/`MotionTableManager`) is a
-faithful, heavily retail-cited port. All 103 symbols.json-listed retail
-methods across the four classes were enumerated (section 1); only one is a
-genuine unexplained gap (`get_adjusted_max_speed`) and the rest of the
-"unported" set is verified dead code in retail itself. All 7 traced
-feel-visible flows (section 2) came back parity. The real, actionable gaps
-are narrow and listed in section 6's ranked catalog: an animated-emote
-authoring gap (AD-57), two already-known hook-timing residuals (TS-50/
-TS-51) precisely rescoped against current code, one likely-already-fixed
-issue (#64) needing only live re-verification, and two untraced
-combat/casting-layer questions flagged for a future audit outside this
-scope.
-
-## Note on the requested prior deep-dive doc
-
-The task referenced `docs/research/2026-06-04-animation-sequencer-deep-dive.md`
-as prior art. That file does not exist in this worktree or anywhere in git
-history (`git log --all --diff-filter=A -- "*animation-sequencer-deep-dive*"`
-returns nothing). `claude-memory/MEMORY.md` indexes it, and a same-named
-**skill** (`acdream-animation-sequencer-deep-dive`) exists that would
-presumably generate such a doc, but no prior run's output is present at that
-path or any other. The closest prior-art documents actually in the repo are:
-- `docs/research/2026-06-26-movement-animation-retail-parity-audit.md` (D1-D12
- divergence list, dated before the R6/J-slice root-motion work — most of its
- wire-format findings, D1/D3/D4/D9, have likely since been superseded by
- TS-33/TS-47 and the R6 root-motion campaign; treated as historical baseline
- only, re-verified against current code below, not trusted at face value)
-- `docs/research/acclient_animation_map.md`, `docs/research/acclient_animation_pseudocode.md`
-- `docs/research/2026-04-21-animation-audit.md`, `docs/research/2026-04-28-combat-animation-planner.md`
-- `docs/research/2026-07-02-r1-csequence/r1-acdream-sequencer.md`
-- `docs/research/2026-07-02-inbound-motion-verbatim-port-handoff.md`
-
-This audit proceeds using those plus the R6 sections of
-`claude-memory/project_physics_collision_digest.md` (which describes what R6
-already shipped — not re-audited here per task instructions) and a fresh
-grep sweep of the named retail decomp.
-
----
-
-## 1. Method-coverage sweep
-
-Two independent passes fed this section: a dedicated method-coverage-sweep
-sub-agent did a symbol-by-symbol enumeration against `symbols.json` +
-pseudo-C call-site tracing, and the lead auditor separately read essentially
-the entirety of all four files directly (`MotionInterpreter.cs` ~2,600 of
-3,182 lines read in full, `CSequence.cs`/`CMotionTable.cs`/`MotionState.cs`/
-`AnimationSequencer.cs` read in full) and independently confirmed the
-sub-agent's headline finding (`GetMaxSpeed()` is the only max-speed accessor
-anywhere in the App/Runtime call sites — `grep` for `AdjustedMaxSpeed`/
-`get_adjusted_max_speed` across `src/` returns zero hits outside the doc
-comment that names it as unported). The two passes agree; findings below are
-merged, with the sub-agent's table format preserved since it's more scannable
-than prose.
-
-**Methodology note (symbol-artifact class):** `symbols.json` occasionally
-attributes a class method name to an address whose pseudo-C body is a
-different, unrelated function, or lists two names at the identical address
-(most likely `/OPT:ICF` identical-code-folding at link time collapsing
-byte-identical trivial bodies, with the PDB keeping multiple aliases for one
-surviving address). Confirmed instances: `CMotionInterp::HandleEnterWorld`
-@ `0x00694750` resolves to `IDClass<>::~IDClass` (unrelated template
-destructor); `CMotionInterp::InqStyle` @ `0x00527B10` resolves to
-`CBaseFilter::GetPinVersion` (unrelated DirectShow class); `MotionTableManager::RemoveLinkAnimations`
-and `HandleEnterWorld` are both listed at `0x0051BDD0` (only one body exists
-there); `CMotionTable::Allocator`/`Allocate` are both listed at `0x004F96E0`.
-These are marked **SYMBOL-ARTIFACT** below rather than forced into
-ported/unported, since the decomp genuinely cannot answer what (if anything)
-that distinct method does.
-
-Also confirmed independently on both classes that have a `Pack`/`UnPack`
-family (`CSequence`, `CMotionTable`): these `PackObj`/`DBObj` serialization
-methods have **zero call sites anywhere in the 1.4M-line pseudo-C** outside
-their own bodies and a `.rdata` vtable-slot registration — dead code
-inherited from a shared server/client engine base, never invoked by the
-retail client itself. Their absence in acdream is correctly not a gap.
-
-### CMotionInterp (41 symbols.json entries)
-
-| Retail method (addr) | acdream status | Cite |
-|---|---|---|
-| PerformMovement (0x00528E80) | ported-with-cite | `MotionInterpreter.cs:820` |
-| DoMotion (0x00528D20) | ported-with-cite | `MotionInterpreter.cs:880,932` |
-| StopMotion (0x00528530) | ported-with-cite | `MotionInterpreter.cs:982,1009` |
-| StopCompletely (0x00527E40) | ported-with-cite | `MotionInterpreter.cs:1078` |
-| get_state_velocity (0x00527D50) | ported-with-cite | `MotionInterpreter.cs:1188` |
-| adjust_motion (0x00528010) | ported-with-cite | `MotionInterpreter.cs:1290` |
-| apply_run_to_command (0x00527BE0) | ported-with-cite | `MotionInterpreter.cs:1355` |
-| apply_raw_movement (0x005287E0) | ported-with-cite | `MotionInterpreter.cs:1398,1498` |
-| apply_current_movement (0x00528870) | ported-with-cite | `MotionInterpreter.cs:1459` |
-| ReportExhaustion (0x005288D0) | ported-with-cite | `MotionInterpreter.cs:1619` |
-| SetWeenieObject (0x00528920) | ported-with-cite | `MotionInterpreter.cs:1671` |
-| SetPhysicsObject (0x00528970) | ported-with-cite | `MotionInterpreter.cs:1721` |
-| jump_charge_is_allowed (0x00527A50) | ported-with-cite | `MotionInterpreter.cs:1761` |
-| charge_jump (0x005281C0) | ported-with-cite | `MotionInterpreter.cs:1826` |
-| jump (0x00528780) | ported-with-cite | `MotionInterpreter.cs:1883` |
-| get_jump_v_z (0x00527AA0) | ported-with-cite | `MotionInterpreter.cs:1920` |
-| get_leave_ground_velocity (0x005280C0) | ported-with-cite | `MotionInterpreter.cs:1958` |
-| jump_is_allowed (0x005282B0) | ported-with-cite | `MotionInterpreter.cs:2026,2051` |
-| contact_allows_move (0x00528240) | ported-with-cite | `MotionInterpreter.cs:2123` |
-| add_to_queue (0x00527B80) | ported-with-cite | `MotionInterpreter.cs:2164` (`AddToQueue`) |
-| motions_pending (0x00527FE0) | ported-with-cite | `MotionInterpreter.cs:2173` |
-| MotionDone (0x00527EC0) | ported-with-cite | `MotionInterpreter.cs:2193` |
-| HandleExitWorld (0x00527F30) | ported-with-cite | `MotionInterpreter.cs:2245` |
-| is_standing_still (0x00527FA0) | ported-with-cite | `MotionInterpreter.cs:2266` |
-| motion_allows_jump (0x005279E0) | ported-with-cite | `MotionInterpreter.cs:2310` |
-| LeaveGround (0x00528B00) | ported-with-cite | `MotionInterpreter.cs:2373` (independently read in full) |
-| HitGround (0x00528AC0) | ported-with-cite | `MotionInterpreter.cs:2425` (independently read in full) |
-| enter_default_state (0x00528C80) | ported-with-cite | `MotionInterpreter.cs:2483` |
-| set_hold_run (0x00528B70) | ported-with-cite | `MotionInterpreter.cs:2521` |
-| SetHoldKey (0x00528BB0) | ported-with-cite | `MotionInterpreter.cs:2575` |
-| get_max_speed (0x00527CB0) | ported-with-cite | `MotionInterpreter.cs:2632` (`GetMaxSpeed`; doc comment includes a forensic re-derivation of the ×4.0 constant from raw x87 disassembly, UN-2 resolved) |
-| **get_adjusted_max_speed (0x00527D00)** | **UNPORTED-UNEXPLAINED** | None found — independently confirmed (see intro above). Sibling of `get_max_speed`; retail `InterpolationManager::adjust_offset` (pc:353107, `0x00555dbe`) chooses between the two via a static toggle `fUseAdjustedSpeed_`. acdream's dead-reckoning catch-up path (`RemoteMotionCombiner.cs:90`, `RuntimeRemotePhysicsUpdater.cs:254,291,685`) only ever calls `GetMaxSpeed()`. No register/ISSUES row covers this. |
-| move_to_interpreted_state (0x005289C0) | ported-with-cite | `MotionInterpreter.cs:2697` |
-| apply_interpreted_movement (0x00528600) | ported-with-cite | `MotionInterpreter.cs:2797` |
-| DoInterpretedMotion (0x00528360) | ported-with-cite | `MotionInterpreter.cs:2931,2944` |
-| StopInterpretedMotion (0x00528470) | ported-with-cite | `MotionInterpreter.cs:3093,3103` |
-| Create (0x00528C00) | ported, uncited | `MotionInterpreter.cs:795` — retail's `Create` calls `SetWeenieObject`/`SetPhysicsObject` while `initted==0`, making both no-ops; plain field assignment is behaviorally identical |
-| Destroy / ~CMotionInterp (0x00527B40 / 0x00527FF0) | trivial, skipped | GC-obviated (manual `pending_motions` free-list walk superseded by `LinkedList`) |
-| HandleEnterWorld (0x00694750) | SYMBOL-ARTIFACT | see methodology note |
-| InqStyle (0x00527B10) | SYMBOL-ARTIFACT | see methodology note |
-
-**~85% ported-with-cite** (35/41; ~95% of the 37 real/substantive methods
-after excluding 2 symbol-artifacts and 2 GC-obviated dtors). One genuine gap.
-
-### CSequence (28 symbols.json entries)
-
-| Retail method (addr) | acdream status | Cite |
-|---|---|---|
-| ctor (0x005249F0) | ported, trivial | `CSequence.cs:81` (zero-init, matched by C# field defaults) |
-| set_object (0x00524820) | SYMBOL-ARTIFACT, functionally ported | address really resolves to `DBObj::SetDID`; behavioral equivalent is the public `HookObj` field, `CSequence.cs:300` |
-| set_velocity / set_omega (0x00524880 / 0x005248A0) | ported-with-cite | `CSequence.cs:236-237` |
-| execute_hooks (0x00524830) | ported-with-cite | `CSequence.cs:503` |
-| combine_physics / subtract_physics (0x005248C0 / 0x00524900) | ported-with-cite | `CSequence.cs:238-239` |
-| multiply_cyclic_animation_fr (0x00524940) | ported-with-cite | `CSequence.cs:249` |
-| get_curr_animframe (0x00524970) | ported-with-cite | `CSequence.cs:266` (independently read) |
-| set_placement_frame (0x005249B0) | ported-with-cite | `CSequence.cs:258` |
-| get_curr_frame_number (0x005249D0) | ported-with-cite | `CSequence.cs:274` |
-| apply_physics (0x00524AB0) | ported-with-cite | `CSequence.cs:285` (independently read) |
-| apricot (0x00524B40) | ported-with-cite | `CSequence.cs:219` (retail's own PDB-verified name, kept verbatim) |
-| has_anims (0x00524BD0) | ported-with-cite | `CSequence.cs:90` |
-| remove_link_animations (0x00524BE0) | ported-with-cite | `CSequence.cs:187` |
-| remove_all_link_animations (0x00524CA0) | ported-with-cite | `CSequence.cs:207` |
-| clear_physics / clear_animations (0x00524D50 / 0x00524DC0) | ported-with-cite | `CSequence.cs:149,140` |
-| remove_cyclic_anims (0x00524E40) | ported-with-cite | `CSequence.cs:163` |
-| **pack_size / Pack / UnPack** (0x00524F20 / 0x00525020 / 0x005259D0) | **UNPORTED, dead-code-verified** | zero external callers anywhere in the retail decomp; correctly not ported |
-| append_animation (0x00525510) | ported-with-cite | `CSequence.cs:109` (independently read) |
-| clear (0x005255B0) | ported-with-cite | `CSequence.cs:130` |
-| update_internal (0x005255D0) | ported-with-cite | `CSequence.cs:332` (independently read in full — the iterative frame-crossing loop, no safety cap, matches retail exactly) |
-| advance_to_next_animation (0x005252B0) | ported-with-cite | `CSequence.cs:435` (independently read) |
-| update (0x00525B80) | ported-with-cite | `CSequence.cs:307` |
-| ~CSequence (0x00524A30) | trivial, skipped | GC-obviated |
-
-**~79% ported-with-cite** (22/28; ~96% of substantive methods). Cleanest of
-the four classes — everything that drives frame playback, hook dispatch, or
-physics accumulation is ported and cited. The two known field-representation
-divergences (`double` vs x87 `long double` frame_number; `LinkedList` vs
-intrusive `DLList`) are already register rows AD-33/AD-34. **No concerning
-gap.**
-
-### MotionTableManager (17 symbols.json entries)
-
-| Retail method (addr) | acdream status | Cite |
-|---|---|---|
-| initialize_state (0x0051C030) | ported-with-cite | `MotionTableManager.cs:353` |
-| AnimationDone (0x0051BCE0) | ported-with-cite | `MotionTableManager.cs:290` (independently read) |
-| CheckForCompletedMotions (0x0051BE00) | ported-with-cite | `MotionTableManager.cs:322` |
-| UseTime (0x0051BFD0) | ported-with-cite | `MotionTableManager.cs:342` |
-| HandleEnterWorld / RemoveLinkAnimations (both 0x0051BDD0) | ported-with-cite / SYMBOL-ARTIFACT-duplicate | `MotionTableManager.cs:373` — pseudo-C shows only one body at this address |
-| HandleExitWorld (0x0051BDA0) | ported-with-cite | `MotionTableManager.cs:385` |
-| SetPhysicsObject (0x0051BBC0) | deliberately-absent-with-reason | `MotionTableManager.cs:20-22` (file header: "C# has no physics_obj field — R2 leaves the CPhysicsObj::MotionDone target as an injectable seam") |
-| Create (0x0051BC50) | ported-with-cite | `MotionTableManager.cs:129,138` |
-| GetMotionTableID (0x0051BC10) | unported, verified low-risk | retail's only caller (`CPartArray::SetMotionTableID @ 0x005186e0`) uses it purely as a dirty-check before destroying+reconstructing the whole manager; acdream gets the same capability by constructing a fresh `AnimationSequencer`/`MotionTableManager` (`AnimationSequencer.cs:287`) |
-| PerformMovement (0x0051C0B0) | ported-with-cite | `MotionTableManager.cs:409` (independently read in full) |
-| SetMotionTableID (0x0051BBD0) | unported, verified low-risk | its only caller in the entire retail client is its own `Create` factory (single call site, pc:290526) |
-| truncate_animation_list (0x0051BCA0) | ported-with-cite | `MotionTableManager.cs:259` |
-| Destroy / ~MotionTableManager | trivial, skipped | GC-obviated |
-| remove_redundant_links (0x0051BF20) | ported-with-cite | `MotionTableManager.cs:191` (independently read in full — byte-for-byte match including the `0xb0000000`/`0x70000000` block masks) |
-| add_to_queue (0x0051BFE0) | ported-with-cite | `MotionTableManager.cs:166` |
-
-**~65% raw ported-with-cite** (11/17), plus 1 deliberately-absent and 2
-unported-but-verified-zero-risk (both `MotionTableID` accessors — retail
-itself only "changes" a motion table by destroy+recreate at the
-`CPartArray` layer, exactly matching acdream's architecture). **No
-concerning gap.**
-
-### CMotionTable (17 symbols.json entries)
-
-| Retail method (addr) | acdream status | Cite |
-|---|---|---|
-| ctor (0x004F94E0) | ported, uncited | `CMotionTable.cs:64` |
-| Pack / UnPack (0x00523180 / 0x005238C0) | **UNPORTED, dead-code-verified** | zero external callers, same dead `PackObj` family as `CSequence` |
-| Destroy / ~CMotionTable | trivial, skipped | GC-obviated (`cycles`/`modifiers`/`links` hash tables → `Dictionary<>`) |
-| GetDBOType (0x005268A0) | N/A, architecturally superseded | retail RTTI-style type tag; acdream's typed `Dats.Get()` generic accessor makes it unnecessary |
-| Allocator / Allocate (both 0x004F96E0) | SYMBOL-ARTIFACT-duplicate / trivial | `new CMotionTable(table)` supersedes the placement-new+construct factory directly |
-| SetDefaultState (0x005230A0) | ported-with-cite | `CMotionTable.cs:605` (independently read) |
-| DoObjectMotion / StopObjectMotion / StopObjectCompletely (0x00523E90/0x00523EC0/0x00523ED0) | ported-with-cite | `CMotionTable.cs:635,640,652` |
-| re_modify (0x005222E0) | ported-with-cite | `CMotionTable.cs:528` |
-| is_allowed (0x005226C0) | ported-with-cite | `CMotionTable.cs:172` |
-| get_link (0x00522710) | ported-with-cite | `CMotionTable.cs:201` (independently read — the reversed-key branch, field-validated per its own doc comment) |
-| GetObjectSequence (0x00522860) | ported-with-cite | `CMotionTable.cs:255` — independently read in full; the single highest-stakes function in this whole sweep (branch-heavy style/cycle/action/modifier dispatcher), ported branch-for-branch with inline citations, including three explicitly-preserved retail quirks (A4-#1 double-hop tick counting never double-charging the base cycle; A4-#2 silent no-op in `ChangeCycleSpeed` when old speed ~0 but new speed isn't; A4-#5 `ReModify`'s lockstep-snapshot termination bound) |
-| StopSequenceMotion (0x00522FC0) | ported-with-cite | `CMotionTable.cs:559` |
-
-Bonus (retail free functions, not `CMotionTable::` members, but ported+cited
-in the same file): `same_sign`→`SameSign` (`:77`), `change_cycle_speed`→
-`ChangeCycleSpeed` (`:88`), `add_motion`→`AddMotion` (`:116`),
-`combine_motion`→`CombineMotion` (`:143`), `subtract_motion`→`SubtractMotion`
-(`:156`) — all independently read.
-
-**~53% raw ported-with-cite** (9/17), but **100% of the 9 substantive
-motion-selection methods** — every method that isn't Pack/UnPack/RTTI/memory
-management is ported and cited. **No concerning gap.**
-
-### Bottom line across all four classes
-
-103 total symbols.json entries examined: ~77 ported-with-cite, 4
-symbol-artifacts (not real distinct methods), ~9 trivial/GC-obviated, 1
-architecturally superseded, 1 ported-but-uncited (`CMotionInterp.Create`),
-and 8 genuinely unported — of which 7 are verified dead code in the retail
-client itself (the `Pack`/`UnPack`/`pack_size`/`GetMotionTableID`/
-`SetMotionTableID` family, confirmed via call-site tracing). **The single
-genuine, unexplained, feel-visible-risk gap across all four classes is
-`CMotionInterp::get_adjusted_max_speed` (0x00527D00)** — the only unported
-method sitting on a hot per-tick gameplay path (dead-reckoning catch-up
-speed clamp) whose retail selection condition could not be resolved from
-static analysis alone. All four files hold up as genuinely faithful,
-well-cited retail ports; this sweep found no evidence of silently-diverged
-gameplay logic in any of the four classes' core responsibilities.
-
-## 2. Feel-visible flow verdicts
-
-This section was independently traced by the lead audit against the primary
-source (the extensively retail-cited C# in `CMotionTable.cs`, `CSequence.cs`,
-`MotionState.cs`, `AnimationSequencer.cs`, `MotionInterpreter.cs` — most
-methods in these five files quote the exact decompiled C body in a doc
-comment, so this section cites the acdream file:line as primary evidence
-rather than re-deriving from the 1.4M-line decomp text directly; the
-background method-coverage-sweep and flow-tracing agents' independent
-findings are merged in below where they add or contest something). A
-striking finding up front: several of the 7 flows below turned out to have
-**verdict parity for a decisive reason that ISN'T "acdream ported it
-correctly"** — retail itself doesn't do the fancier thing the flow's framing
-implied. That distinction matters for a retail-faithful project: it means
-there is nothing to build, not merely nothing left to fix.
-
-**1. Stance-change transition animations — PARITY.**
-`CMotionTable.GetObjectSequence` Branch 1 (`src/AcDream.Core/Physics/Motion/CMotionTable.cs:279-336`,
-citing retail `GetObjectSequence @ 0x00522860`) is a full style-change
-dispatcher: it computes an exit link from the current substate to the
-current style's default substate, a direct link from the current style's
-default substate to the target style's default substate, and — when no
-direct link exists — a double-hop through the table's `DefaultStyle` (lines
-308-314), then plays exit-link → hop1 → hop2 → new-cycle in sequence
-(`AddMotion` calls at 318-321) before installing the new style/substate.
-This is retail's genuine weapon-draw/style-change link mechanism, not a
-simplified instant cut. `AnimationSequencer.SetCycle`
-(`src/AcDream.Core/Physics/AnimationSequencer.cs:390-391`) drives style
-changes through exactly this path before dispatching the target motion.
-
-**2. Landing after jump/fall (soft vs hard landing) — PARITY, and the "gap"
-doesn't exist in retail.** `MotionInterpreter.HitGround`
-(`src/AcDream.Core/Physics/MotionInterpreter.cs:2425-2443`) quotes retail's
-`CMotionInterp::HitGround @ 0x00528ac0` FULL BODY: strip link animations,
-then re-apply the PRESERVED pre-fall interpreted forward command (walk/run/
-ready) — there is no velocity, fall-distance, or fall-duration branch
-anywhere in that function. Retail's `Falling` SubState
-(`MotionInterpreter.cs:56-63`) is one airborne cycle regardless of how far
-the body fell; landing is simply "the Falling→X link fires through the same
-`GetObjectSequence` Branch 2 cycle-to-cycle mechanism verified in item 6."
-There is no severity-based "hard landing" animation to select in retail's
-own Humanoid MotionTable, so this was never a divergence to close.
-
-**3. In-place turn cycles vs omega-driven turning — PARITY (already shipped
-under R6; not re-audited here per task scope, confirmed only that the two
-things are the SAME mechanism, not competing ones).** `TurnRight`/`TurnLeft`
-(`0x6500000D`/`0x6500000E`) carry the `0x40000000` cycle-class bit
-(`0x65000000 & 0x40000000 != 0`), so they ARE genuine `CMotionTable` cycles
-with their own authored `Anims` (the visual leg-crossing/pivot animation)
-AND their own authored `Omega` (R6's pinned finding: `omega.Z = -1.5`
-rad/s ≈ -86°/s from the installed Humanoid table, not a synthetic 90°
-formula). `CMotionTable.AddMotion`
-(`src/AcDream.Core/Physics/Motion/CMotionTable.cs:116-134`) writes both the
-anim frames and the omega from the SAME `MotionData` record onto the
-sequence in one call; `CSequence.ApplyPhysics` rotates the Frame by that
-omega every frame the turn cycle plays. There was never a separate
-"visual cycle vs physical rotation" question to resolve — one MotionData
-record drives both.
-
-**4. Walk↔run mid-stride transitions — PARITY (same Branch-2 machinery as
-item 1, one level down).** Walk and Run are both cycle-class substates
-within `NonCombat`/combat styles, so crossing the walk/run threshold or
-toggling the Run hold-key is a same-style cycle-to-cycle request through
-`GetObjectSequence` Branch 2 (`CMotionTable.cs:341-423`): it looks up a
-direct link between the two substates via `GetLink`, falls back to a
-style-default double-hop if none exists (lines 378-383), and has a
-same-substate "fast re-speed" path (lines 358-367) for a pure speed change
-within the SAME substate (e.g. accelerating while already running) that
-rescales the cyclic framerate and physics in place rather than re-triggering
-a full transition. This is retail's genuine walk-to-run link/blend
-mechanism, not an instant swap.
-
-**5. Backward/strafe cycle selection — PARITY, and again the "gap" doesn't
-exist in retail.** `AnimationSequencer.SetCycle`
-(`src/AcDream.Core/Physics/AnimationSequencer.cs:344-348, 367-381`) states
-plainly, citing ACE's `MotionInterp.cs:394-428` as cross-check: "the AC
-MotionTable has NO cycles for TurnLeft, SideStepLeft, or WalkBackward. These
-are played as their right-side/forward equivalents with a negated
-framerate so the animation runs in reverse." This is a retail asset-content
-fact, not an acdream simplification — there is no distinct backward-walk or
-strafe-left animation to select in the first place; retail itself reverses
-the forward/right cycle. acdream's remap (WalkBackward → WalkForward at
--0.65×speed, SideStepLeft → SideStepRight at -1×speed) matches this exactly
-at both the `AnimationSequencer` boundary (local-player raw input) and the
-`MotionInterpreter.adjust_motion` boundary (wire-level, R3-cited) — see
-section 1's method sweep for whether both call sites are still needed or
-one is now dead code.
-
-**6. Link-animation traversal system — PARITY, and it is the single most
-load-bearing finding of this audit.** `CMotionTable.GetLink`
-(`CMotionTable.cs:190-241`, retail `get_link @ 0x00522710`) is a genuine,
-general-purpose `(fromStyle, fromSubstate, toSubstate)` link lookup over the
-DAT-authored `Links` dictionary — not a hardcoded Ready/Walk/Run subset. It
-handles the forward direction, a reversed-key direction (used when a speed
-sign flip means "the link is authored the other way," e.g. the Ready↔
-WalkBackward case the doc comment says was field-validated fixing a
-"left leg twitches" glitch), and a style-level catch-all fallback. Every one
-of `GetObjectSequence`'s four branches (style-change, cycle, action,
-modifier) calls it and composes the result into 1-3 chained `AddMotion`
-calls (exit link, direct/hop1, hop2) before the target cycle, exactly
-matching retail's own double-hop-via-`DefaultStyle` fallback for style
-changes with no direct link, and an out-hop/action-link/return-hop triple
-for action-class motions with no direct link to the target (`CMotionTable.cs:428-478`,
-with the load-bearing `#A4-1` tick-count citation: "never the base cycle,
-never double-counted (ACE's bug, not retail's)" — i.e. acdream's tick
-accounting is MORE correct than the reference ACE port here, not less).
-This resolves the audit's biggest open question going in: acdream does not
-skip genuine style-to-style links (drawing a weapon, sheathing, sitting
-down) in favor of a hardcoded locomotion-only subset.
-
-**7. Interrupted-animation behavior — PARITY at the queue-mechanics level;
-one narrower residual question outside this file set.** A dedicated
-flow-tracing sub-agent (independent pass, cross-checked against ACE) closed
-most of the uncertainty this item started with. Retail
-`MotionTableManager::RemoveRedundantLinks` (`0x0051bf20`) explicitly only
-collapses cycle-class-not-modifier or style-class queue tails — the
-modifier/action-class branch is "neither branch taken" (confirmed directly
-in `CMotionTable.cs`'s ported `RemoveRedundantLinks`, see section 1): action-class
-one-shots (attacks, casts) are **never truncated** by this mechanism and
-always run their tick-countdown to natural completion. Separately, retail
-`CPhysicsObj::interrupt_current_movement` (`0x005101f0`) is called
-unconditionally from `jump()` and cancels an in-flight `MoveToManager`
-transition — a wholly different mechanism from the action queue, not a
-"cancel this attack" primitive. acdream's `MotionTableManager.RemoveRedundantLinks`
-(`src/AcDream.Core/Physics/Motion/MotionTableManager.cs:191-248`) is a
-byte-for-byte match including the identical `0xb0000000`/`0x70000000` block
-masks and the same fallthrough, and the `InterruptCurrentMovement` seam
-(`MotionInterpreter.cs:658`) is fully wired in PRODUCTION — not a stub — to
-real `MoveToManager.CancelMoveTo(WeenieError.ActionCancelled)` in both
-`src/AcDream.App/Physics/LiveEntityMotionRuntimeController.cs:152-154`
-(remote) and `src/AcDream.App/Input/PlayerModeController.cs:354-362` (local
-player), plus 4 call sites in `StickyManager.cs`. **Net: attack/cast
-animations are uninterruptible by movement/jump input in BOTH clients —
-movement just queues behind them; jump only ever cancels an in-flight
-move-to, never the action queue.** The one thing this audit still did not
-verify: whether higher-level combat/magic-casting code (entirely outside
-`MotionInterpreter`/`MotionTableManager`, not read for this audit) layers
-its own ADDITIONAL "can't move while casting" rule on top of this queue
-mechanism — that would live in the combat/magic subsystem and needs a
-separate targeted read, not a live capture.
-
-**Additional residual surfaced by the flow-tracing pass, item 1 (stance
-change):** the mechanism (`GetObjectSequence` Branch 1 + `GetLink`) is
-confirmed parity, but whether acdream's higher-level default-combat-mode
-selection (`CombatInputPlanner.GetDefaultCombatModeDecision`, not read in
-this audit) picks the exact same weapon-style-to-CombatMode mapping as
-retail's `ClientCombatSystem::GetDefaultCombatMode` (`0x0056B310`) in every
-edge case was NOT traced — flagged as a small untraced item, not a
-confirmed divergence.
-
-**Ranked feel-impact of these 7, most to least:** all 7 came back parity —
-an unusual, striking result for a from-scratch port of this scope. Ranking
-by residual RISK rather than impact (i.e., where a future capture is most
-likely to still surface a surprise, since several parity claims rest partly
-on DAT-content assumptions rather than pure code): (1) item 7's untraced
-combat/casting-layer interrupt rule and item 1's untraced default-combat-mode
-mapping are the two loose threads worth a follow-up read (not a live
-capture); (2) items 3/4/6 (turn cycles, walk-run link, general link
-traversal) are the most solid — confirmed via both the acdream code AND an
-independent cross-check against ACE's own C# `MotionTable.cs` port, which
-shows the same double-hop structure; (3) items 2/5 (landing, backward/strafe)
-are effectively closed — in both cases the "gap" the flow's framing
-hypothesized doesn't exist in retail itself (one universal landing
-transition; forward/right cycles reverse-played rather than distinct
-backward/left clips), corroborated for item 5 by holtburger's wire-level
-`MovementCommand` enum showing `WalkBackwards`/`TurnLeft`/`SidestepLeft` as
-distinct wire ids (confirming the reversal is a client animation-layer
-transform, not a wire-format absence). Net: of the 7 flows the task asked to
-trace, all are parity; the two follow-up threads (combat-layer cast
-interrupt, default-combat-mode mapping) are outside the `MotionInterpreter`/
-`CMotionTable`/`CSequence` file set this audit focused on and are noted for
-a future combat/magic-scoped audit, not scheduled as animation fixes.
-
-## 3. TS-50 / TS-51 current scoping (verified against current code, 2026-07-30)
-
-Both rows are precisely as described in the register — re-reading the actual
-code confirms rather than narrows either row. No promotion to a fix is
-recommended; both remain the correct classification (deliberate ordering
-adaptation with a bounded, named residual), not silent regressions.
-
-**TS-50 — which hook types still deliver late.** Read
-`src/AcDream.App/Rendering/Vfx/AnimationHookFrameQueue.cs:37-86` (`Capture`):
-for every hook produced by a sequence advance, the queue tests
-`hooks[i] is AnimationDoneHook` (line 75) and, ONLY for that one hook type,
-synchronously calls `sequencer.Manager.AnimationDone(success: true)` at
-capture time — i.e. inside the same call that advanced the sequence, matching
-retail `CPhysicsObj::process_hooks @ 0x00511550` timing exactly (semantic
-motion completion, Target/Movement/PartArray/Position manager tail all see it
-in the same quantum). EVERY OTHER hook type reaching this queue (from the
-`DatReaderWriter.Types.AnimationHook` hierarchy routed through
-`AnimationHookRouter` to `AudioHookSink`, `ParticleHookSink`,
-`TranslucencyHookSink`, `LightingHookSink` — i.e. sound playback, particle
-creation including `RetailCreateBlockingParticleHook`, translucency-fade
-starts, light attach, and `PhysicsScriptHook`/CallPES-adjacent triggers) is
-unconditionally appended to `_entries` (line 82-85) and only fires later, in
-`Drain()` (lines 88-125), which is called exactly once per render/update
-frame from `LiveEffectFrameController.Tick` at
-`src/AcDream.App/Update/LiveObjectFrameController.cs:107-126` — AFTER every
-live entity's root/part/equipped-child pose has been published for that
-frame (the comment at `LiveObjectFrameController.cs:109-113` names this
-explicitly: "acdream currently keeps non-AnimationDone hooks at this
-deferred shared boundary under TS-50"). So the answer to "which hook types
-still deliver late": **all of them except semantic AnimationDone** — sound,
-particle, light, translucency, and CallPES/script-chain hooks can be up to
-one render frame later than retail's per-object `process_hooks` moment.
-Feel-visible risk is concentrated in **CallPES** (a hook that triggers a
-PhysicsScript chain, e.g. spawning a follow-up effect keyed to a specific
-animation frame) and blocking-particle creation tied to an attack's exact
-swing frame — a one-frame-late particle spawn on a fast weapon swing is the
-kind of thing a careful side-by-side viewer could notice, though nobody has
-filed a symptom against it yet. Audio/light/translucency lateness is far
-less likely to be perceptible at typical frame rates.
-
-**TS-51 — per-render-frame vs per-quantum tails.** Confirmed at
-`LiveObjectFrameController.cs:107-126`: `LiveEffectFrameController.Tick(float
-deltaSeconds)` advances `_particles.Tick(deltaSeconds)` and
-`_scripts.Tick(_scriptTime.CurrentScriptTime)` exactly once per call, and
-this controller is driven once per render/update frame (not once per
-admitted 30 Hz physics quantum per live object). Retail's
-`CPhysicsObj::UpdateObjectInternal @ 0x005156B0` advances each ordinary
-object's own ParticleManager then ScriptManager inside EVERY admitted
-quantum for THAT object, and `animate_static_object @ 0x00513DF0` uses a
-different order (Script → Particle → hooks) for the static-object workset.
-acdream's shared tail is Particle → Script after static hook capture,
-uniformly, once per render frame regardless of how many physics quanta a
-given object admitted that frame. Practical effect: on a catch-up frame
-(object advances several quanta at once, e.g. after a stall), the object's
-root/pose advances through all of them but its particle/script tail only
-advances once — an emitter that should have spawned N times in that
-interval spawns once with N ticks' worth of `deltaSeconds`, and static
-default-script/particle ordering runs in the opposite sequence from
-`animate_static_object`. This is a real feel-visible risk specifically for
-dense fast-tick emitters (rapid-fire spell effects, chain particle bursts)
-but is architecturally deep to fix (needs incarnation-bound per-object
-particle/script manager instances, which the register row itself names as
-the retirement condition) — not a quick promotion candidate.
-
-**Verdict:** neither row's scope has changed since the register was last
-written; both remain accurately described. Of the two, TS-50's CallPES
-lateness is the more plausible candidate for a future promotion (narrower
-blast radius — "make CallPES and blocking-particle hooks fire at capture
-time like AnimationDone, keep the rest deferred" is a bounded change),
-whereas TS-51 needs the larger incarnation-bound-manager refactor the row
-already flags.
-
-## 4. Issue #64 (local pickup animation) reassessment
-
-**Original hypothesis (filed 2026-05-14, pre-R3/R4/R6):** `OnLiveMotionUpdated`
-filters local-player self-echoes wholesale, so ACE's server-authored
-`Motion(MotionCommand.Pickup)` broadcast (via
-`Player_Inventory.AddPickupChainToMoveToChain` →
-`EnqueueBroadcastMotion(motion)`) never reaches the local player's animation
-path. That exact function (`OnLiveMotionUpdated`) no longer exists in the
-current tree (`git grep` for it returns nothing) — the inbound motion path
-has been rewritten at least twice since (R4-V5's local/remote unification,
-then the J-slice Runtime extraction), so the original hypothesis needs to be
-re-evaluated against the CURRENT architecture, not assumed stale or assumed
-still-broken.
-
-**Current architecture, traced end to end:**
-
-1. `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:216-241`
- (`OnMotion`) — the first gate is a TIMESTAMP staleness check
- (`_authorityGate.TryAcceptMotion`), unrelated to self-echo.
-2. Lines 224 and 243-259 — the REAL self-echo gate, `R4-V5 (pin P1)`: `bool
- retainPayload = update.Guid != _playerServerGuid || !update.IsAutonomous;`
- This drops an entire UpdateMotion packet ONLY when it targets the local
- player's guid AND the packet's wire-level `IsAutonomous` byte is set — the
- comment cites retail `CPhysics::SetObjectMovement`'s autonomous gate
- (`0x00509690 @0050972e`, raw 271370-271431) and explains WHY: ACE reflects
- the client's own outbound `MoveToState` back to the sender with
- `IsAutonomous=1` hardcoded (`MovementData.cs:162`,
- `Player_Networking.cs:365` in the ACE reference), so this gate exists
- specifically to drop THAT reflection, not every inbound packet addressed
- to the player.
-3. If the packet survives, the local-player branch at lines 450-509 routes
- through the SAME `RemoteInboundMotionDispatcher.Apply` used for remotes
- (`src/AcDream.App/Physics/RemoteInboundMotionDispatcher.cs`), which for a
- `MovementType == 0` packet calls `motion.MoveToInterpretedState(interpreted,
- animationSink)` (`RemoteInboundMotionDispatcher.cs:108-112`).
-4. `MotionInterpreter.MoveToInterpretedState`
- (`src/AcDream.Core/Physics/MotionInterpreter.cs:2697-2743`) replays each
- entry in `ims.Actions` (the Commands[] one-shot list, populated by
- `InboundInterpretedMotionFactory.Create` from the wire's `Commands`
- field — `src/AcDream.App/Physics/InboundInterpretedMotionFactory.cs:46-63`)
- through `DispatchInterpretedMotion`, with exactly ONE local-player-specific
- filter at line 2735: `if (IsLocalPlayer && a.Autonomous) continue;` — this
- is scoped to the PER-ACTION autonomous bit inside the Commands[] entry
- (`MotionItem.PackedSequence & 0x8000`), not a blanket "is this the local
- player" drop.
-
-**Current best hypothesis:** ACE's Pickup broadcast is server-initiated (built
-via `EnqueueBroadcastMotion`, not a reflected client `MoveToState`), so both
-gates that could drop it — the packet-level `IsAutonomous` check (step 2) and
-the per-action `Autonomous` bit check (step 4) — should read `false` for it,
-same as for any other server-authored one-shot action a remote observer would
-see. If that reading of ACE's flag values is correct, **the R4-V5 local/remote
-unification (which post-dates #64's filing by roughly two months) likely
-fixed this issue as an architectural side effect**, without anyone
-specifically targeting #64. This is a hypothesis, not a confirmed fix — this
-audit is report-only and did not launch the client or trigger a live pickup.
-
-**Recommended next step (not performed here):** re-test #64 live with
-`ACDREAM_DUMP_MOTION=1` set, trigger a close-range pickup as `+Acdream`, and
-check the log for a `UM guid= ... cmd=...` line whose resolved
-command carries the Pickup action bit, followed by the sequencer actually
-playing the one-shot cycle. If it still fails, the next diagnostic is to
-confirm whether ACE's Pickup broadcast really sets `Autonomous=false` at
-both the packet and per-action level (a WireMCP capture on the loopback
-`UpdateMotion (0xF74D)` packet during a pickup would settle this instead of
-reading ACE source), since a wrong assumption there is the one way this
-hypothesis could be wrong.
-
-## 5. Emote/action surface (AD-57) gap sizing
-
-**What retail would play:** an animated social emote (retail's action-class
-MotionCommand — the `0x10000000` bit family, e.g. a wave/point/bow/salute
-cycle, as opposed to `/e ` roleplay chat text) is queued through the
-SAME `CMotionInterp` action-list machinery already ported: `AddAction` onto
-`RawMotionState`/`InterpretedMotionState`, packed onto the wire by
-`RawMotionState::Pack` (retail `0x0051ed10`) as `num_actions` +
-per-action pairs, broadcast to observers as a Commands[] entry on
-`UpdateMotion`, and resolved into a `CMotionTable` action-class cycle via the
-same `CMotionTable::GetObjectSequence` path used for locomotion cycles.
-
-**What acdream has, precisely:** per section 4's trace, the RECEIVING half of
-this pipeline is fully wired and (per the current-best-hypothesis above)
-likely already plays a server-broadcast one-shot action correctly for both
-local and remote observers — `InboundInterpretedMotionFactory` parses
-Commands[] into `InboundMotionAction`s, `MotionInterpreter.MoveToInterpretedState`
-replays them through `DispatchInterpretedMotion` into the same
-`CMotionTable`/`CSequence` cycle-selection path as any other motion. The
-SENDING half — the local player's own input constructing and enqueueing an
-autonomous action, e.g. from a `/wave`-style command — has no production call
-site: `grep -r "\.AddAction(" src/AcDream.App` returns nothing outside test
-code (`RawMotionState.AddAction`/`InterpretedMotionState.AddAction` are
-exercised only by unit tests, confirmed during this audit). The chat command
-catalog (`src/AcDream.UI.Abstractions/Panels/Chat/RetailClientCommandCatalog.cs:144-150,232-234`)
-has `/emote` and `/emotes`, but these are documented as the roleplay TEXT
-emote (`/e ` — chat-log output), not an animated action — there is no
-slash command or UI affordance in the catalog for a genuine visual emote.
-
-**Gap size:** this is a clean, well-isolated feature gap, not a divergence
-of any shipped behavior — the register row (AD-57, re-argued 2026-07-30) is
-correct that "every currently-shipped movement packet matches retail byte-shape;
-the gap only manifests when emote-class autonomous actions are implemented."
-The work to close it is bounded and almost entirely additive: (a) a
-retail-sourced list of which MotionCommand action IDs are genuine social
-emotes and what UI/command surface retail exposes them through (character
-menu right-click? a `/motion` or numbered emote command? — this needs a
-named-retail grep, not guessed), (b) a client input path that calls
-`MotionInterpreter.DoMotion`/`AddAction` with the right action ID and
-`Autonomous=true`, and (c) confirming the existing outbound packer already
-emits it correctly (it should, since `RawMotionStatePacker` already handles
-the `Actions` list per AD-57's own text). No architecture changes are
-required — this is squarely a "wire up an existing, tested machine" gap, sized
-small-to-medium (one research pass to find the retail command surface, one
-implementation pass to wire input → `AddAction`).
-
-## 6. Ranked gap catalog + recommended fix order
-
-**Headline result:** this audit set out to find where acdream's animation
-system diverges from retail and found the system in unusually good shape.
-Two independent research passes (a symbol-by-symbol method-coverage sweep
-and a 7-flow feel-visible trace) plus the lead auditor's own full read of
-the four core files converged on the same conclusion: `MotionInterpreter`
-(`CMotionInterp`), `CSequence`, `CMotionTable`, and `MotionTableManager` are
-faithful, extensively retail-cited ports, and all 7 traced feel-visible
-flows came back parity — three of them (landing severity, backward/strafe
-cycles, in-place-turn-cycle-vs-omega) because the richer retail behavior the
-flow's framing assumed doesn't actually exist in retail either. The gap
-catalog below is therefore short and each entry is genuinely small.
-
-**Ranked by feel-impact, most to least:**
-
-1. **AD-57 — animated emote authoring gap (feel-visible, bounded scope).**
- The RECEIVING half of retail's action-class one-shot animation system
- (server-broadcast one-shots like Pickup, and presumably other players'
- emotes) is fully wired and plays correctly through the same
- `GetObjectSequence` Branch 3 machinery as any other motion (see section
- 4/5). The SENDING half — the local player triggering their OWN animated
- emote (retail's `/wave`-equivalent) — has no production call site;
- `RawMotionState.AddAction`/`InterpretedMotionState.AddAction` are
- exercised only by unit tests. This is the most user-visible gap in the
- catalog (a whole category of retail behavior — animated social
- gestures — is simply absent from the client), but it is squarely a
- "wire up an existing, tested machine" gap: no architecture change, no
- new port, just (a) a named-retail grep for which MotionCommand action
- IDs are genuine emotes and what UI surface retail exposes them through,
- (b) an input path that calls `DoMotion`/`AddAction` with the right
- action ID and `Autonomous=true`, (c) confirming the existing
- `RawMotionStatePacker` emits it correctly (should already, per AD-57).
-
-2. **TS-50 residual — CallPES and blocking-particle hooks up to one render
- frame late (already known, narrow promotion candidate).** Verified
- against current code (section 3): only the semantic `AnimationDoneHook`
- fires at capture time; every other hook type (CallPES/script-chain
- triggers, particle creation including blocking particles, sound, light,
- translucency-fade starts) is deferred to `AnimationHookFrameQueue.Drain()`,
- called once per render frame after all entities' poses publish. Most
- feel-visible on a fast weapon swing where a blocking-particle effect is
- keyed to an exact frame. Bounded fix: make CallPES and blocking-particle
- hooks fire at capture time like `AnimationDoneHook`, keep the rest
- deferred — narrower than the full TS-51 refactor below.
-
-3. **Issue #64 — local pickup animation not rendering (likely already
- fixed, zero-cost to verify).** Section 4's trace shows the R4-V5 local/
- remote unification (which post-dates #64's filing) architecturally
- closed the exact mechanism the original hypothesis blamed: the
- packet-level and per-action autonomous-echo gates are now scoped
- precisely enough that a server-authored one-shot (non-autonomous, by
- construction) should reach the local player's `DispatchInterpretedMotion`
- exactly like it does for remotes. This needs a 2-minute live re-test
- (`ACDREAM_DUMP_MOTION=1`, trigger a close-range pickup), not an
- engineering investment — likely already closed as a side effect of
- unrelated work and just needs its ISSUES.md status updated.
-
-4. **`CMotionInterp::get_adjusted_max_speed` unported (narrow, needs a
- cdb read before it's even confirmed live).** The one genuine
- unexplained gap from the method-coverage sweep (section 1): retail's
- dead-reckoning catch-up path chooses between `get_max_speed` and this
- sibling via a static toggle (`InterpolationManager::fUseAdjustedSpeed_`)
- whose default this audit could not resolve from static analysis alone.
- acdream always uses `GetMaxSpeed()` for remote catch-up. If the toggle
- defaults to the adjusted variant in retail, acdream's remote
- dead-reckoning catch-up speed could be systematically using the wrong of
- two very similar formulas — narrow blast radius (one clamp value in one
- catch-up path), plausible feel effect (slightly different snap-back
- speed on remotes catching up after a network stall). Per the project's
- own retail-debugger toolchain, this is a cdb-read-the-static-value
- question, not a guess-and-ship one.
-
-5. **TS-51 residual — particle/script tails once per render frame instead
- of once per admitted physics quantum (already known, larger refactor).**
- Verified against current code (section 3): on a catch-up frame where an
- object advances several 30 Hz quanta at once, its particle/script tail
- only advances once with the accumulated `deltaSeconds`, and static
- default-script/particle ordering runs Particle→Script instead of
- retail's Script→Particle→hooks. Most feel-visible for dense fast-tick
- emitters (rapid spell-effect chains). The register row itself names the
- retirement condition (incarnation-bound per-object particle/script
- manager instances) — this is real architectural work, not a quick
- promotion, and should stay queued behind the current M4 feature-work
- order rather than jumping the line for this audit.
-
-6. **Two untraced items outside this audit's file scope (flagged, not
- confirmed divergences).** The flow-tracing pass surfaced two loose
- threads it didn't have scope to chase: (a) whether combat/magic-casting
- code (entirely outside `MotionInterpreter`/`MotionTableManager`) layers
- its own additional "can't move while casting" rule on top of the
- confirmed-parity action-queue mechanism; (b) whether
- `CombatInputPlanner.GetDefaultCombatModeDecision` picks the same
- weapon-style-to-CombatMode mapping as retail's
- `ClientCombatSystem::GetDefaultCombatMode` (`0x0056B310`) in every edge
- case. Both are plausible-but-unconfirmed and belong to a combat/magic-
- scoped audit, not this animation-scoped one — recommended as a future
- audit topic, not a fix.
-
-**Recommended fix order** (cheapest/highest-confidence first): (1) re-test
-#64 live and close the issue if confirmed — essentially free; (2) research
-+ wire the emote-sending path (AD-57) — bounded, additive, no architecture
-change, the single most user-visible improvement available; (3) narrow
-TS-50's promotion to cover CallPES + blocking-particle hooks specifically;
-(4) cdb-verify `fUseAdjustedSpeed_`'s retail default before deciding whether
-`get_adjusted_max_speed` needs porting at all; (5) queue the full TS-51
-incarnation-bound-manager refactor behind current M4 feature work, since it
-is real architectural investment rather than a bounded fix; (6) file a
-follow-up combat/magic-scoped audit for the two untraced items rather than
-guessing at their status here.
-
-This audit made no code changes and files no fixes directly — items 1-4
-above are small enough that the user may want to fold them into the next
-convenient M4 work session; item 5 should go through the normal roadmap
-process (a new phase/slice, not a drive-by fix) given its architectural
-size; item 6 needs its own investigation before any fix is proposed.
diff --git a/docs/research/2026-07-30-constraint-leash-constants.md b/docs/research/2026-07-30-constraint-leash-constants.md
deleted file mode 100644
index 4a7a2cfb..00000000
--- a/docs/research/2026-07-30-constraint-leash-constants.md
+++ /dev/null
@@ -1,145 +0,0 @@
-# #167 ConstraintManager leash — constants recovered + arming flow (Campaign P P5)
-
-**2026-07-30.** Both #167 blockers are now research-solved; only the port
-remains. No cdb session was needed: the two "unknown x87 constants" were
-recovered by decoding the raw machine code of the matching binary
-(`C:\Users\erikn\Downloads\acclient.exe`, v11.4186, PDB-paired — verified
-GUID match per the retail debugger toolchain doc).
-
-## 1. The getters, byte-decoded (FACT)
-
-`CPhysicsObj::GetStartConstraintDistance @ 0x0050ebc0` and
-`GetMaxConstraintDistance @ 0x0050ec10` are FPU-return getters whose
-`fld` operands Binary Ninja elided (the pseudo-C shows a bare
-`this->m_position;`). Raw bytes (file offset 0x10ebc0/0x10ec10):
-
-```
-3b 0d 58 3d 84 00 cmp ecx, [0x00843d58] ; this == player_object?
-75 1d jnz non_player
-8b 41 4c mov eax, [ecx+0x4c] ; m_position.objcell_id
-25 ff ff 00 00 and eax, 0xFFFF
-3d 00 01 00 00 cmp eax, 0x100
-73 07 jae indoor ; low16 >= 0x100 = EnvCell
-d9 05 fld dword [outdoor_const]
-c3 ret
-indoor: d9 05 <..> fld dword [indoor_const]
-c3 ret
-non_player: ; identical cell test, second constant pair
-```
-
-Constant values read from `.rdata`:
-
-| | player outdoor | player indoor | remote outdoor | remote indoor |
-|---|---|---|---|---|
-| Start (0x007c6abc..c8) | **10.0** | **5.0** | 10.0 | 5.0 |
-| Max (0x007c6acc..d8) | **50.0** | **20.0** | 50.0 | 20.0 |
-
-Two consequences (FACT):
-
-1. **The player-vs-remote branch is vestigial** — both sides load
- identical values. Effective semantics: `start = outdoor 10 m /
- indoor 5 m`, `max = outdoor 50 m / indoor 20 m` (indoor = cell low16
- ≥ 0x100).
-2. **ACE's `GetStartConstraintDistance` is INVERTED**
- (`ACE PhysicsObj.cs:620`: outdoor 5 / indoor 10). ACE's max mapping
- (outdoor 50 / indoor 20) matches the binary. Do NOT copy ACE's start
- mapping. (feedback_acme_oracle / binary-wins rule.)
-
-## 2. The arming flow — `SmartBox::HandleReceivedPosition @ 0x00453fd0` (FACT)
-
-Pseudo-C lines ~92940-93060. After the update-time staleness gates and
-`unset_parent`/`SetPlacementFrame` handling:
-
-- **Remote object** (`arg2 != this->player`): call
- `MoveOrTeleport(obj, &recvPos, ts, arg5, arg6)`; **only if it returns
- nonzero** (the position was NOT hard-teleport-applied), arm the leash
- **anchored to the object's own current position**:
- `ConstrainTo(obj, &obj->m_position, start, max)` (0x00454254-72).
-- **Player, teleport-newer** (`newer_event(TELEPORT_TS, ts)`):
- `SmartBox::TeleportPlayer(&recvPos)`, then
- `ConstrainTo(player, &recvPos, start, max)` — anchored to the
- **received** position — then `set_velocity(player, {0,0,0}, 1)`
- (0x0045415f-c0).
-- **Player, normal**: `ConstrainTo(player, &recvPos, start, max)`
- anchored to the received position; then, if
- `cmdinterp->UsePositionFromServer() && arg5`,
- `InterpolateTo(&recvPos, -GetAutonomyLevel())` (0x004541c9-422c).
-
-The taper/enforcement side (`ConstraintManager::UseTime` feeding
-`adjust_offset`, `IsFullyConstrained = ConstraintDistanceMax * 0.9 <
-offset`) is already ported in
-`src/AcDream.Core/Physics/Motion/ConstraintManager.cs` (R5-V1,
-`docs/research/2026-07-03-r5-managers/`); it has simply never been armed.
-
-## 3. Port shape for P5 (INFERENCE — implementation guidance)
-
-1. Add the four-constant getters (outdoor/indoor by full cell id low16)
- at the body/host layer; keep the vestigial player/remote split OUT
- (note it in a code comment with this doc as the cite).
-2. Arm at acdream's inbound-position equivalents of the three branches:
- the remote UpdatePosition acceptance tail (post-`MoveOrTeleport`
- routing in the live-entity network update path) and the local
- player's accepted-Position path (normal + teleport). Anchor per §2.
-3. `PhysicsBody.IsFullyConstrained` (register TS-35 stub) becomes a read
- through `PositionManager`/`ConstraintManager`, so
- `jump_is_allowed`'s ported gate fires (WeenieError 0x47) while
- rubber-banding. TS-35 and #167 retire together, same commit.
-4. Conformance tests: constant table incl. the ACE-inversion pin
- (outdoor start MUST be 10, not 5); leash-armed jump refusal;
- remote-vs-player anchor difference; teleport-branch velocity zero.
-
-## Open questions
-
-None for the constants/flow. Remaining implementation risk is only
-where acdream's position-acceptance seams sit today (J6.3 moved
-teleport correlation into Runtime — the implementer must find the
-current owner rather than trusting older file cites).
-
-## As-ported (Campaign P Slice P5, 2026-07-30)
-
-The implementation risk flagged above resolved to these CURRENT seam owners
-(post-J-slices) — recorded here so the next reader doesn't have to re-derive
-them:
-
-- **Constants** — `src/AcDream.Core/Physics/Motion/ConstraintDistance.cs`.
- Keyed purely on the object's own full cell id's low 16 bits (`>= 0x0100` =
- indoor); the vestigial player/remote branch from §1 is deliberately not
- represented as an API parameter.
-- **Remote arm** — `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs`,
- the inbound `UpdatePosition` handler's remote branch (`update.Guid !=
- _playerServerGuid`), immediately after the `remotePlacementRequired`
- hard-teleport block returns (that block already covers retail's
- `MoveOrTeleport` Branch A / hard-place case; everything reached past it is
- "did not hard-place"). One call site covers BOTH player-remote and NPC
- remotes — retail's `SmartBox::HandleReceivedPosition` doesn't distinguish
- them either, only `GetStart/MaxConstraintDistance`'s now-omitted vestigial
- branch did. Anchored to the live `IPhysicsObjHost.Position` (which reads
- `RemoteMotion.Body.Position` + the tracked cell id), matching retail's
- "anchored to the object's own current position" — since the anchor and
- `_host.Position` read are the same value at call time,
- `ConstraintManager.ConstrainTo`'s initial offset is always 0 regardless of
- whether the routing above just far-snapped or left a near-correction
- queued.
-- **Remote per-tick taper + `IsFullyConstrained` push** — already wired
- pre-P5 for the taper (`RuntimeRemotePhysicsUpdater.Tick`/`TickHidden` call
- `PositionManager.AdjustOffset` every tick via the pre-existing R5-V3
- sticky/constraint chain); P5 added the `PhysicsBody.IsFullyConstrained =
- host.PositionManager.IsFullyConstrained()` push at the same two call
- sites, since `MotionInterpreter` only holds a `PhysicsBody` (no host
- reference) and needs a live value to read.
-- **Local player arm** — `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs`:
- `SetPositionCore` (teleport: `UnConstrain` then re-`ConstrainTo` after the
- existing `StopCompletelyAtPhysicsObjectBoundary` velocity zero — composed,
- not duplicated) and `CommitPreparedPosition` (mirrors the same pair for
- the deferred player-mode-entry commit path); `BlipPosition` (ForcePosition:
- `ConstrainTo` only, no teardown — matches `SmartBox::BlipPlayer` surviving
- motion/velocity/stick). Anchored to `_body.CellPosition` (the just-applied
- received position).
-- **Local player per-tick taper + push** — `PlayerMovementController.Update`
- already called `PositionManager.AdjustOffset` every physics tick pre-P5;
- P5 added the `_body.IsFullyConstrained = PositionManager?.IsFullyConstrained()
- ?? false` push immediately after, at the same chokepoint.
-- **TS-35 retirement** — `PhysicsBody.IsFullyConstrained` stayed a plain
- settable bool (not a computed property) so the ~40 pre-existing direct-set
- unit tests keep working; the per-tick pumps above are its single writers
- now, matching the project's per-entity single-owner-write pattern.
diff --git a/docs/research/2026-07-30-landing-bounce-family.md b/docs/research/2026-07-30-landing-bounce-family.md
deleted file mode 100644
index 021f1064..00000000
--- a/docs/research/2026-07-30-landing-bounce-family.md
+++ /dev/null
@@ -1,196 +0,0 @@
-# The landing bounce family — retail bounce vs ground vs slide (investigation, report-only)
-
-**Date:** 2026-07-30 · **Status:** IMPLEMENTED (same day — see §Implementation)
-**Symptoms (user, live gate):** (1) downhill jumps glide instead of bouncing;
-(2) flat-ground jumps at speed/height don't bounce; (3) uphill jumps get stuck
-in weird animations, flapping and gliding. Speed (#266) and roof slide
-(#265's freeze) are fixed and unaffected.
-
-## The retail mechanism (decomp, read end-to-end this session)
-
-Three functions compose the whole behavior:
-
-### 1. The floor-touch dual record (plane handler, 0x0050d100-0x0050d30c)
-
-Touching a floor plane records **two independent facts**:
-
-```c
-if (step_down || !(state & CONTACT) || is_valid_walkable(plane))
- set_contact_plane(plane) // grounding fact
-if (!(state & CONTACT) && !step_down) {
- set_collision_normal(plane.N); // collision fact
- collided_with_environment = 1;
-}
-```
-
-A landing (not already in contact, not a step-down probe) is BOTH a contact
-AND an environment collision carrying the floor normal. Ordinary walking
-(already in contact / step-down glue probes) records only the contact —
-that is why walking never bounces.
-**acdream's transition already ports this faithfully**
-(`TransitionTypes.cs:3410-3415` — `!oi.Contact && !sp.StepDown` →
-`SetCollisionNormal` + `CollidedWithEnvironment = true`).
-
-### 2. SetPositionInternal (0x00515330, read fully — VELOCITY-SIGN-FREE)
-
-```
-contact = collision_info.contact_plane_valid (no velocity test)
-on_walkable = contact && contact_plane.N.z >= floor_z (set_on_walkable → HitGround/LeaveGround)
-handle_all_collisions(collision_info, prevContact, prevOnWalkable) ← velocity UNMODIFIED
-```
-
-There is **no `Velocity.Z <= 0` landing gate and no velocity zeroing**
-anywhere in retail's commit. Contact is a per-frame fact from the
-transition's contact plane; the bounce is the velocity reflect; they are
-independent and coexist — you can be "landed" this frame AND carry
-reflected +Z that lifts you off next frame. That IS the bounce chain.
-(Our Core `PhysicsObjUpdate.CommitSetPositionTransition` is already a
-faithful port of this function — used by teleport/remote placement, NOT by
-the local player's per-tick path.)
-
-### 3. handle_all_collisions (0x00514780) + elasticity
-
-For fsf≤1, should-reflect (NOT(was-walkable AND still-walkable) or the
-garbled state-flag override), valid collision normal, and `v·n < 0`:
-
-```
-v += -(v·n) · (elasticity + 1) · n // pc:282712
-```
-
-`DEFAULT_ELASTICITY = 0.05` (byte constant @0x007c6a7c; ctor writes at
-0x005124d3/0x0051d537; `set_elasticity` clamps to [0, 0.1]). So every
-landing reverses 5% of the impact's normal component and keeps the full
-tangential component:
-
-- **Flat ground at speed/height:** v=(6,0,−7) → v'=(6,0,+0.35) — forward
- carry plus a visible pop at speed. Symptom (2).
-- **Downhill:** reflect is off the SLOPE normal — each contact pops the body
- off-slope while tangential speed persists → contact/airborne chain =
- the characteristic downhill bounce. Symptom (1).
-- **Uphill:** the reflect kills the into-slope component at impact, contact
- stands, HitGround fires once, land animation plays. Symptom (3)'s clean
- retail counterpart.
-
-## Why acdream glides/flaps instead (the adaptation stack)
-
-`PlayerMovementController.cs:2032-2079` (the per-tick commit) replaces
-retail's SetPositionInternal with a hand-rolled block:
-
-1. **AD-25 landing gate:** `if (resolveResult.IsOnGround && Velocity.Z <= 0)`
- — needed because *our resolver reports IsOnGround even during an UPWARD
- jump (it always step-downs)*. Retail has no such gate: an ascending mover
- simply finds no contact plane (it moves away from it; the touch test
- fails), so contact clears naturally.
-2. **The bounce killer:** `if (Velocity.Z < 0) Velocity.Z = 0` on landing,
- whose comment says its purpose plainly: *"makes handle_all_collisions'
- landing reflect a no-op — dot(v,n)=0."* This retired the old
- "micro-bounce death spiral" — but that spiral was caused by our OWN
- gate (reflected +Z defeating the `Velocity.Z<=0` landing test), not by
- the reflect being wrong. The workaround deleted retail's legitimate
- bounce.
-3. With the reflect suppressed, the new #265 residual-velocity fix correctly
- preserves landing momentum — which now SLIDES via calc_friction instead
- of bouncing. Hence "I glide but that's incorrect."
-4. **Uphill flap:** during the up-leg our resolver glues to the slope
- (IsOnGround true) while the gate refuses to ground (v.z > 0) →
- Contact/OnWalkable and HitGround/LeaveGround edges cycle against the
- animation state machine → "weird animations, flapping and gliding."
-
-## Hypotheses (ranked)
-
-1. **H1 (root, high confidence — every link read this session):** the
- AD-25 landing gate + Velocity.Z hand-zero must be REPLACED by retail's
- SetPositionInternal semantics, which requires first fixing the underlying
- resolver divergence: **the transition must not produce a contact plane
- for a mover ascending away from the ground** (retail's step-down/touch
- conditions do this naturally; ours "always step-downs"). With that fixed,
- route the per-tick commit through the already-ported
- `CommitSetPositionTransition` and delete the hand-rolled block — reflect,
- contact, HitGround/LeaveGround, and land animation then compose exactly
- as retail.
- - Falsify by: cdb trace on retail (bp SetPositionInternal +
- handle_all_collisions, dump v before/after while jumping downhill) —
- expect unmodified impact v entering, 5% normal reversal exiting.
-2. **H2 (contributing detail):** the garbled `state & ` override in
- handle_all_collisions' gate (our port maps it to Sledding) and the
- `0x20000` Inelastic mapping need byte-decode confirmation before the
- rework — a wrong flag here changes when reflects fire while grounded.
-3. **H3 (animation-side residual):** if flap persists after H1, the
- MotionInterp land/fall transition (LandJump vs falling-hold) has its own
- gate to audit — deferred until H1 is in.
-
-## What we've ruled out
-
-- The transition's landing dual-record being missing — ours is faithful
- (TransitionTypes.cs:3410).
-- HandleAllCollisions' reflect math/elasticity — ported correctly
- (PhysicsObjUpdate.cs:198, elasticity 0.05 default present).
-- The #265 residual-velocity fix being wrong — it exposed the missing
- bounce; it didn't cause it.
-
-## Recommended next step
-
-Approve H1 for implementation: (a) byte-decode the two garbled flags (H2)
-first; (b) find + port retail's exact ascent/step-down gating in the
-transition (the one remaining unread mechanism); (c) cut the per-tick commit
-over to `CommitSetPositionTransition`; (d) re-run the roof/downhill/flat/
-uphill matrix live. Optional pre-implementation confirmation: the H1 cdb
-trace against live retail.
-
-## What this is NOT
-
-Not a missing-elasticity port and not a missing collision-record — both
-exist and are faithful; the bounce is suppressed by our own landing-commit
-adaptation (AD-25 family), whose reason-for-being is the resolver's
-ascent-glue divergence.
-
-
-## Implementation (2026-07-30, user-approved)
-
-All three retail mechanisms are now live; the AD-25 adaptation stack is
-deleted:
-
-1. **check_contact seeding** (`PhysicsEngine.ResolveWithTransition`): a body
- in transient CONTACT seeds the transition's contact state ONLY while
- `v · contactPlane.N <= ε` (0.0002 = PhysicsGlobals.EPSILON, retail
- 0x0050f5b0); a failing body seeds the last-known plane alone (retail
- get_object_info's init_last_known_contact_plane branch). The plane
- requirement is strict — Contact-without-plane is unrepresentable in
- retail. Body-less callers keep the legacy isOnGround seed (test rigs).
-2. **SetPositionInternal-shaped commit** (`PlayerMovementController`): the
- `Velocity.Z <= 0` landing gate and the landing `Velocity.Z = 0` hand-zero
- are DELETED. Contact commits purely from `resolveResult.InContact` /
- `OnWalkable`, HitGround fires on the airborne→walkable edge, and
- `HandleAllCollisions` runs with the UNMODIFIED impact velocity — the 5%
- elasticity reflect is live. The whole commit is gated on
- `resolveResult.Ok && candidateMoved` (retail runs SetPositionInternal
- only when the transition succeeded AND the candidate moved — pc:283657;
- AD-41's row updated accordingly). Zero-move frames leave contact state
- untouched (this is what keeps a standing body stable: a zero-move
- resolve cannot re-derive a plane because no sweep runs).
-3. **Byte decodes** (this doc's H2): the handle_all_collisions gate override
- is `state & 0x800000` = Sledding; the zero branch is `state & 0x20000` =
- Inelastic; the reflect fires strictly on `dot < 0` (`test ah, 5; jp`).
- Our port had all three correct already — no change.
-
-Settle behavior: a real landing (|v| ≥ 0.25 m/s) bounces at 5% and the hop
-chain decays geometrically; sub-0.25 m/s impacts are consumed by retail's
-unconditional small-velocity zero (PhysicsBody.UpdatePhysicsInternal), so a
-standing body never micro-bounces. calc_acceleration turns gravity off for
-Contact+OnWalkable bodies, which is what makes rest bit-stable.
-
-Test re-baselines (each documented in place): the landing-survival pin now
-measures decay after the hop chain settles; `LiveCompare_Tick0/376` pin the
-new IsOnGround=false on their zero-move ticks (the captured `true` was the
-retired seed echo — tick 376's captured body even carries an 11.8 m/s
-grounded velocity from the deleted get_state_velocity-overwrite era);
-`RemoteDeOverlapMechanismTests.GroundedBody` now carries the plane a real
-grounded body always has (the big-creature 1.80 m expectation was calibrated
-against the unrepresentable flags-without-plane fixture; production settles
-at 1.58 m, unchanged before/after). New pins:
-`LandingBounceSeedingTests` (ascent no-seed, rest keeps-contact, strict
-plane, slope 5% reversal + tangential preservation, Sledding override).
-
-Verification: complete Release suite 10,031 passed / 5 skips / 0 failures.
-Live gate (downhill bounce chain, flat-ground pop, uphill clean landing,
-roof slide intact, walking intact) pends the user's next session.
diff --git a/docs/research/2026-07-30-movement-parity-audit.md b/docs/research/2026-07-30-movement-parity-audit.md
deleted file mode 100644
index 602519e7..00000000
--- a/docs/research/2026-07-30-movement-parity-audit.md
+++ /dev/null
@@ -1,618 +0,0 @@
-# Movement Parity Audit — Retail vs acdream (2026-07-30)
-
-**Status: COMPLETE — report-only investigation, no code changes made.**
-
-Scope: input → intent → wire → presentation for player + remote movement.
-Explicitly OUT of scope (closed by Campaign P, physics/collision proper):
-stat chain, friction, sphere lists, leash, PK flags. See
-`docs/plans/2026-07-29-physics-parity-campaign.md`'s closeout. This audit
-picks up the *movement wire/presentation* seam Campaign P did not touch.
-
-Legend: **FACT** = confirmed against named-retail decomp byte/pseudo-C
-(cited address + `acclient_2013_pseudo_c.txt` line) or cross-referenced
-against a second independent client (holtburger / Chorizite). **INFERENCE**
-= plausible reading where the decompiler dropped x87 detail (a known
-Binary Ninja artifact class, see `claude-memory/feedback_bn_decomp_field_names.md`)
-and could not be fully disambiguated in this pass.
-
----
-
-## 1. Outbound semantics table
-
-Retail's outbound tree (from `claude-memory/project_retail_motion_outbound.md`,
-re-verified this session):
-
-```
-WASD keypress → CommandInterpreter::SendMovementEvent (0x006B4680, per-frame)
- → MoveToStatePack → SendMoveToStateEvent → 0xF61C
-at-rest heartbeat → CommandInterpreter::ShouldSendPositionEvent (0x006B45E0)
- → SendPositionEvent (0x006B4770) → AutonomousPositionPack → 0xF753
-```
-
-| Intent | Retail send decision | acdream send decision | Verdict |
-|---|---|---|---|
-| W (run) | `SendMovementEvent` fires on any command-list head edge; wire carries `WalkForward`, `HoldKey.Run`, raw `forward_speed` (pre-scale). ACE auto-upgrades to `RunForward` for observers. | `PlayerMovementController` line 2106-2225: `outForwardCmd=WalkForward`, `outForwardSpeed=1.0f` (raw), `IsRunning=input.Run`; `changed` fires on cmd/hold/speed edges. `RawMotionStatePacker` D1 default-diff omits unchanged fields. | **Parity** (D6.2b/D1 shipped, verified 2026-07-01) |
-| W+Shift (walk) | Same tree, `HoldKey.None`, `forward_speed=1.0` (not run-scaled — ACE/observer scaling is a display-time concern, not sender concern). | Same — `axisHoldKey = movement.IsRunning ? Run : None` in `LocalPlayerOutboundController.BuildRawMotionState` (:234-244). | **Parity** |
-| Backward (X) | `WalkBackward` tag, own independent forward-channel entry; `adjust_motion` applies a flat **-0.65×** speed multiplier for the walk-forward↔backward pair (`apply_run_to_command`/`adjust_motion` 0x00528010, `acclient_2013_pseudo_c.txt:305343-305400` — **FACT**, spot-read confirms the `0x45000006→WalkForward, speed*=-0.65` canonicalization). | `outForwardCmd=WalkBackward`, `outForwardSpeed=1.0f` (PlayerMovementController :2111-2115). The **-0.65× backward scale lives in `MotionInterpreter.cs:543-546`** ("Retail-exact value; do not round to 0.65f") and is applied on the *interpreted* (local-animation) side, not re-derived on the wire (wire stays raw 1.0, matching D6.2b's "ACE recomputes" model). | **Parity** — same separation-of-concerns retail uses (raw wire, scaled interpretation) |
-| Strafe (Z/C) | `SideStepRight`/`SideStepLeft`; `adjust_motion` applies a flat **×1.248** (`(3.12/1.25)*0.5`) animation-rate scale, THEN `apply_run_to_command`'s SideStepRight branch (if Run) multiplies by `runRate` and clamps magnitude to **3.0** (`0x00527be0:305102-305122` — **FACT** for the 3.0 constant and the runRate scale; **INFERENCE** on the exact snap-vs-clamp branch polarity, x87 flag test unresolved by BN). | `MotionInterpreter.cs:558-564` cites the retail `±3.0` clamp and the 1.248 sidestep scale explicitly; `_activeInputSidestepCommand`/`SidestepUsesRunHold` in `PlayerMovementController.cs:2129-2133` carry the channel through to the wire. | **Parity** (ported; the one open item is the same x87-ambiguous branch retail's own disassembly leaves fuzzy — not an acdream gap) |
-| Turn (A/D) keyboard | `adjust_motion` canonicalizes Left→Right (`speed *= -1`), then `apply_run_to_command`'s TurnRight branch multiplies by a flat **1.5×** when hold key is Run (`0x00527be0:305096-305100` — **FACT**, byte-confirmed this session). Turn is a channel fully independent of forward/sidestep. | `MotionInterpreter.cs:554` `RunTurnFactor = 1.5f`, applied inside the ported `apply_run_to_command` (:1355+). Turn channel (`_activeInputTurnCommand`/`_activeInputTurnSpeed`) is independent of forward/sidestep in `PlayerMovementController.cs:2139-2143`. | **Parity** |
-| Autorun (Q) | See §4 below — separate section, real divergence found. | | **Divergent** |
-| Mouse-look turn (MMB) | `CameraSet::ToggleMouseLook`/`Rotate` (0x00457490/0x00458310) drive ordinary `TurnLeft`/`TurnRight` `MovePlayer` calls, always `HoldKey.Run`; speed = 2×filtered horizontal delta, dead-zone 0.02, cap 1.5. `MoveToState` sent on start/stop and every 0.5 s while active. | `MouseTurnDeadZone=0.02f`, `MouseTurnSpeedScale=2.0f`, `MouseTurnMaximumSpeed=1.5f`, `MouseMovementEventInterval=0.5f` (`PlayerMovementController.cs:376-380`) — exact match. | **Parity** (previously verified 2026-07-15, re-confirmed this session) |
-| Mouse-move-to (click-to-move) | Not part of the CommandInterpreter WASD tree; routes through `MoveToManager`/`MoveToPosition` (§3). | Same split in acdream (`MoveToManager.cs`, separate from `PlayerMovementController`'s per-frame channel). | **Parity** (architectural match) |
-| Stop (S key / all keys released) | `CommandInterpreter::UseTime` gates `ShouldSendPositionEvent` first, then falls through; a full command-list-empty state issues `MovePlayer(Ready, ...)` idle re-sync via `ApplyCurrentMovement`. | `PlayerMovementController` idle path falls to `_motion.RawState.ForwardCommand` staying at `Ready` default (0x41000003), consistent with retail's ctor default. | **Parity** |
-
-### TS-33 residual (exact current-code read)
-
-Register row (`docs/architecture/retail-divergence-register.md:264`, re-read
-this session): **"NARROWED 2026-07-15 — full AP tracker semantics are
-ported... Residual: acdream's single update path snapshots the AP predicate,
-emits a same-update MTS first when input changed, then AP. Retail proves
-`UseTime` performs Should→AP, but MTS originates in separate input
-callbacks; their relative same-tick callback/wire order is not yet
-traced."** This is confirmed still accurate: `PlayerMovementController.cs`'s
-per-frame method computes `MovementResult` (lines 2080-2226, the MTS side)
-and `LocalPlayerOutboundController.SendPreNetworkActions`/
-`SendPostNetworkPosition` (its own file, :50-144) split MTS-before-inbound
-vs AP-after-inbound exactly as retail's `UseTime` (0x006B3BF0, decomp
-699564-699583) does: `ShouldSendPositionEvent()→SendPositionEvent()` FIRST,
-then (separately, from input callbacks, not shown in `UseTime` itself)
-`SendMovementEvent`. TS-33's residual is real but narrow: it's an *ordering*
-question (does retail's per-frame input callback that calls
-`SendMovementEvent` run before or after that frame's `UseTime` AP check?),
-not a values/cadence question. Unchanged this session — still needs a cdb
-trace to close, not a code fix.
-
-### AP-30 — STALE register row (found this session)
-
-**FACT.** The register (`retail-divergence-register.md:153`) currently
-reads: *"AutonomousPosition diff cadence compares with epsilons (1 mm pos,
-1e-4 normal, 1 mm dist); retail's `Frame::is_equal` is an exact float
-compare... `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:1110`."*
-Both halves of this row are now wrong relative to current code:
-
-1. **Line citation is stale.** Line 1110 of `PlayerMovementController.cs`
- today is inside `AttachAnimationRootMotionSource`'s parameter list — unrelated
- code. The actual epsilon logic lives at `PlayerMovementController.cs:2234-2263`
- (`ApproxFrameEqual`/`ApproxPlaneEqual`).
-2. **The epsilon claim is factually wrong about retail.** Read directly
- from the named decomp: `Frame::is_equal` (`0x00424c30`, line 38461-38468)
- calls `Vector3Math::AreEqual(origin, origin, 0.000199999995f)` and
- `Frame::is_quaternion_equal` (0x00424c70, line 38472-38505), which
- compares all four quaternion components against the **same
- `0.000199999995f` (0.0002) epsilon** — not an exact bit compare.
- Likewise `Plane::operator==` (`0x006b3dd0`, line 699713-699743) compares
- `N.x`/`N.y`/`N.z`/`d` against the identical `0.000199999995f` epsilon.
- `ApproxFrameEqual`/`ApproxPlaneEqual` in current acdream code (lines
- 2234-2263) use exactly `0.000199999995f` uniformly for both — i.e.
- **acdream's current code already matches retail's real (epsilon, not
- exact) comparison byte-for-byte**, and the code's own doc-comment says so
- correctly ("Retail `Frame::is_equal` ... compares ... with a 0.0002-unit
- epsilon"). The register row documents a bug that no longer exists.
-
-**Recommendation:** retire/correct AP-30 in the register (delete the row,
-or rewrite it to note the epsilon match is intentional retail parity, not a
-divergence) as a small housekeeping fix — no runtime behavior change
-needed, since the code is already correct.
-
----
-
-## 2. Inbound presentation
-
-### 2a. Interpolation catch-up rate — **DIVERGENT, high-severity** (found this session, per coordinator's byte-decode addendum)
-
-**FACT (P-review byte decode, 2026-07-30).** Retail's
-`InterpolationManager::adjust_offset`/`UseTime` (0x00555d30/0x00555f20)
-gates its catch-up-speed source on a **static flag**,
-`InterpolationManager::fUseAdjustedSpeed_` (`.data` at `0x0081f418`,
-initialized to `0x1` — confirmed directly, line 1102675):
-
-```
-if (fUseAdjustedSpeed_ == 0) catchUpBase = get_max_speed(); // DEAD by default
-else catchUpBase = get_adjusted_max_speed(); // the LIVE path
-catchUp = catchUpBase * 2.0f; // MaxInterpolatedVelocityMod
-```
-(confirmed directly, `acclient_2013_pseudo_c.txt:353104-353123`).
-
-`CMotionInterp::get_adjusted_max_speed` (`0x00527d00`, line 305145-305156,
-read directly — BN drops the x87 return values into dead-looking
-statements, the same artifact class as `get_max_speed`'s ×4 dropout that
-UN-2 already resolved by disassembly) is **conditional on the entity's
-current interpreted forward command**:
-
-- `forward_command != RunForward (0x44000007)` (i.e. standing, walking,
- turning, sidestepping, backing up — anything but an actual run cycle):
- returns the **bare run rate** (`InqRunRate`/`my_run_rate`), **no ×4**.
-- `forward_command == RunForward`: returns
- `interpreted_state.forward_speed ÷ current_speed_factor`, **× 4.0**
- (`RunAnimSpeed`, `0x007c8918`) — per the coordinator's disassembly-level
- decode (the BN pseudo-C alone drops this trailing multiply, matching the
- established `get_max_speed`/UN-2 artifact pattern).
-
-**acdream's current code does not port `get_adjusted_max_speed` at all** —
-there is no `CurrentSpeedFactor`/`current_speed_factor` field anywhere in
-`MotionInterpreter.cs` (confirmed by grep, zero hits). Every call site that
-feeds the interpolation catch-up cap instead calls the **unconditional**
-`MotionInterpreter.GetMaxSpeed()` (`MotionInterpreter.cs:2632-2642`, itself
-a faithful, byte-verified port of retail's `get_max_speed` alone — always
-`runRate × RunAnimSpeed(4.0)`, regardless of forward_command):
-
-- `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:254`,
- `:291`, `:685` (remote NPC/player catch-up)
-- `src/AcDream.App/Physics/LiveEntityMotionRuntimeController.cs:174`
-- `src/AcDream.App/Input/PlayerModeController.cs:328`
-
-**Consequence:** for any remote entity that is standing, walking, turning,
-sidestepping, or backing up (i.e. every state except actively running
-forward), acdream's catch-up cap is **exactly 4× retail's** (both use the
-×2.0 `MaxInterpolatedVelocityMod`, but acdream also always applies the ×4.0
-`RunAnimSpeed` that retail reserves for the RunForward-only branch). For a
-run-rate-2.94 character standing still: retail caps catch-up at
-2×2.94 ≈ **5.9 m/s**; acdream currently caps it at 2×2.94×4 ≈ **23.5 m/s**
-— a 4× overshoot. Only while the remote is genuinely in a `RunForward`
-cycle does acdream's flat ×4 approach retail's own (still not identical,
-since retail additionally normalizes by `current_speed_factor`, an
-unported field).
-
-This existed underneath a prior investigation (UN-2, resolved 2026-06-12,
-cited directly in `MotionInterpreter.cs:2601-2630`) that correctly
-byte-verified the ×4.0 constant *inside* `get_max_speed`, but did not catch
-that `get_max_speed` itself is the **dead default branch** — retail's real
-call site always takes `get_adjusted_max_speed`, which only applies that
-×4 conditionally. This is a strong root-cause candidate for the "remote
-catch-up feels too fast/twitchy for non-running remotes" symptom family
-(#41 blips, #165 wall-penetration-before-stop) that the same doc-comment
-explicitly says to look elsewhere for — this audit's finding redirects that
-search back to this exact seam.
-
-**Recommendation (report-only — no fix applied):** port
-`CMotionInterp::get_adjusted_max_speed` as a new `MotionInterpreter` method
-(needs `current_speed_factor`, currently absent — a new tracked field,
-citing `0x00527d00`/line 305145), and switch every catch-up-cap call site
-above from `GetMaxSpeed()` to the new adjusted accessor, gated by the
-(retail-fixed-true) `fUseAdjustedSpeed_` semantics — i.e. always call the
-adjusted variant, since retail's own flag is always on. This is the
-single highest-value fix candidate in this audit.
-
-### 2b. Snap / teleport thresholds — two distinct constants, both present
-
-**FACT.** Retail has two separate thresholds, and acdream has ported both
-correctly:
-
-| Constant | Retail value | Retail site | acdream value | acdream site |
-|---|---|---|---|---|
-| Hard routing snap (give up on interpolation entirely, `MoveOrTeleport`) | **96.0 m** | `CPhysicsObj::MoveOrTeleport` 0x00516330, line 284342-284361 | Not separately named in `InterpolationManager.cs` — this gate lives upstream, at the physics dispatch layer (`RuntimeRemotePhysicsUpdater`/teleport handling), not audited line-by-line this session; flagged as **needs a follow-up grep to confirm the 96 m constant is present at the equivalent acdream call site** (not found during this pass — see gap catalog). | — |
-| Enqueue-time "far jump, pre-arm blip" (`AutonomyBlipDistance`) | **100 m outdoor / 20 m indoor** per prior cdb live-attach (project's own 2026-05-0x capture) — the *decomp* constant itself (`GetAutonomyBlipDistance`, 0x0050eb70) is BN-garbled and not independently re-derivable from static text alone this session (**INFERENCE**, cdb-sourced not decomp-sourced) | `CPhysicsObj::GetAutonomyBlipDistance` 0x0050eb70 | `AutonomyBlipDistance = 100.0f` (`InterpolationManager.cs:99`), comment explicitly notes "indoor is 20 m" as a known-but-unported distinction | `InterpolationManager.cs:99` |
-
-**Verdict: Parity** for the enqueue-time 100 m outdoor constant (matches
-the project's own prior cdb finding); the indoor-20m variant is
-**Divergent/incomplete** — acdream uses a flat 100 m regardless of
-indoor/outdoor, an existing known gap already flagged in the code's own
-comment (not a new finding, confirmed still present).
-
-### 2c. Position-history queue depth — Parity
-
-**FACT.** Retail: 20 entries (`0x14`), head-evicted on overflow, confirmed
-directly at `InterpolateTo` line 353004-353021. acdream:
-`QueueCap = 20` (`InterpolationManager.cs:49`), enforced identically
-(`Enqueue`, :254-256, `RemoveFirst()` on cap). **Parity.**
-
-### 2d. Stall/give-up mechanics — Parity
-
-**FACT**, all four constants cross-checked directly against the decomp
-this session and via the subagent's independent read of
-`InterpolationManager.cs`:
-
-| Constant | Retail (line) | acdream (`InterpolationManager.cs`) |
-|---|---|---|
-| Stall check window | 5 frames (353146) | `StallCheckFrameInterval = 5` (:79) |
-| Min progress distance | 0.20 m (353185-353190) | `MinDistanceToReachPosition = 0.20f` (:67) |
-| Min progress fraction | 0.30 (353172-353177) | `StallProgressMinFraction = 0.30f` (:86) |
-| Fail-count blip threshold | `> 3` (353270) | `StallFailCountThreshold = 3` (:92), fires at 4+ |
-
-**Verdict: Parity.**
-
-### 2e. TS-44 sticky-gated enqueue suppression
-
-Not inside `InterpolationManager.cs` itself — lives in the consumer,
-`src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:1637-1643`.
-Suppresses a raw `UpdatePosition`-driven snap for an NPC currently
-sticky-attached to a target (`PositionManager.GetStickyObjectId() != 0`),
-bounded by the ~1 s sticky lease; register TS-44 is **narrowed, not
-retired** (per `docs/ISSUES.md` 2026-07-07 pass). User-visible effect:
-while a monster is sticky-melee-locked onto a target, an incoming server
-position correction that would otherwise snap the NPC is suppressed and
-the sticky steering keeps driving it instead — server truth reasserts on
-the first UpdatePosition after the lease expires. This is a deliberate,
-already-registered adaptation, not a newly found gap.
-
-### 2f. MoveToRunRate consumption
-
-**FACT.** Wire-parsed in `CreateObject.cs:269-296` (`ServerMotionState`
-field) and consumed at `LiveEntityNetworkUpdateController.cs:323,433` and
-`LiveEntityMotionRuntimeController.cs:394`. A pre-existing, separately
-tracked gap (M13 plan doc `docs/research/2026-07-03-r4-moveto/r4-port-plan.md:87`)
-notes `MoveToRunRate` feeds the PlanMoveToStart seed but not
-`MotionInterpreter.MyRunRate` directly during a live moveto, so
-`apply_run_to_command`'s speed scale can use a stale rate mid-MoveTo. Not
-re-litigated further this session — flagged as a known, already-filed item
-in the gap catalog below (not new).
-
-### 2g. Walk↔Run mid-hold promote/demote render fidelity
-
-**Issue #39** — "Run↔Walk cycle transition not visible on observed player
-remotes." **Status confirmed directly this session: CLOSED 2026-07-02**
-(`docs/ISSUES.md:7107`). The original 2026-05-06 root-cause ("ACE goes
-silent on HoldKey-only toggle") was refuted by a 2026-07-02
-three-oracle-plus-live-capture re-investigation
-(`docs/research/2026-07-02-inbound-motion-deviation-map.md`, §S0): retail
-DOES send a fresh MoveToState on HoldRun toggle while moving, and ACE DOES
-rebroadcast it; the refinement machinery #39 built to compensate for the
-(non-existent) gap was deleted (commit S5) after it caused spurious
-Ready↔Run animation thrash. **CLAUDE.md's phrasing that this is an open
-uncertainty ("ACE's behavior on relay is uncertain") is stale relative to
-the ISSUES.md record** — worth a small doc correction, not a code gap.
-
----
-
-## 3. MoveTo/TurnTo parameters
-
-Retail's `MovementParameters` ctor (`0x00524380`, decomp line 300510-300534,
-struct verbatim at `acclient.h:31453-31465`) vs acdream's
-`MovementParameters.cs` (already cites the same address):
-
-| Field | Retail default | acdream default | Cite | Verdict |
-|---|---|---|---|---|
-| `MinDistance` | 0.0 | 0f (`:164`) | 300510-300534 | Parity |
-| `DistanceToObject` | 0.6 m | 0.6f (`:161`) | same | Parity |
-| `FailDistance` | FLT_MAX (3.40282347e+38) | `float.MaxValue` (`:173`) | same | Parity |
-| `Speed` | 1.0 | 1f (`:170`) | same | Parity |
-| `WalkRunThreshhold` | **15.0 m** | 15f (`:179`) | same | Parity — and acdream's own comment explicitly flags the ACE-divergence trap (ACE uses 1.0) and refuses to copy it |
-| `CanCharge` (bitfield 0x10) | **clear (false)** | `false` (`:102`) | same | Parity — same explicit ACE-divergence-trap comment (ACE sets it true by default) |
-| `HoldKeyToApply` | `HoldKey_Invalid` | `HoldKey.Invalid` (`:185`) | same | Parity |
-
-**Verdict: full parity.** acdream's `MovementParameters.cs` is a verbatim,
-already-well-cited port with correct, explicit call-outs of two known
-ACE-vs-retail divergence traps (`CanCharge`, `WalkRunThreshhold`) that it
-deliberately does NOT copy from ACE. No gap found here.
-
-### Turn/arrival thresholds beyond the ctor
-
-- `HandleMoveToPosition`'s aux-turn deadband: **20°/340°**
- (`MoveToManager.cs:1057`, retail `0x00529d80` line 307187-307438) —
- matches the retail function it cites; not independently re-derived from
- raw bytes this session (**INFERENCE** on the exact retail constant, but
- the citation chain is pre-existing and was not contradicted by anything
- found this session).
-- `BeginTurnToHeading`/`HandleTurnToHeading` epsilon-snap logic
- (`MoveToManager.cs:819-873`, `:1155-1203`) cites retail addresses
- `0x00529b90`/`0x0052a0c0` directly; the code's own comments flag two
- retail quirks as deliberately preserved: `FailProgressCount` is
- write-only in retail (no give-up threshold exists — do not invent one),
- and `HandleMoveToPosition` has **no** `set_heading` call (ACE's
- "sync for server tickrate" addition is explicitly NOT ported). Both
- read as correct, deliberate non-divergences.
-
-### MinDistance vs FailDistance semantics
-
-**FACT** (both retail and acdream, per direct decomp read this session and
-independent MoveToManager.cs read): both `MoveToObject` and
-`MoveToPosition` share one `movement_params`/`Params` struct and one
-handler. `MinDistance`/`DistanceToObject` gates *arrival* (current distance
-to target this tick); `FailDistance` gates *give-up* against **total
-distance traveled since the move began**, defaulting to FLT_MAX so it is
-effectively inert unless a caller tightens it. No object-vs-position
-asymmetry exists in either client. **Parity.**
-
-### AP-23 — pickup/use-radius heuristic (current scope)
-
-Register row (`retail-divergence-register.md:148`): an invented per-type
-radius bucket (3 m creatures / 2 m doors-lifestones-portals-corpses / 0.6 m
-rest) for close-range gating. **Narrowed 2026-07-25 (R5-V3):** the
-speculative install now threads the target's real Setup
-radius/height (`GetSetupCylinder`) and the player's real radius; only the
-bucket bounds remain invented, and Use itself was retired from the
-speculative-moveto seam entirely (sends immediately now). Located at
-`src/AcDream.App/Interaction/WorldSelectionQuery.cs:78-83` (constants),
-`:490-498` (`GetUseRadius`). **One live consumer still cites this seam as
-its root mechanism**: `docs/ISSUES.md` issue at line 3825-3826 (2026-07-05,
-door-Use-swallowed, HIGH severity), whose resolution is explicitly folded
-into Campaign P's physics-parity visual matrix scenario 8
-(`docs/plans/2026-07-30-physics-parity-visual-matrix.md`) — i.e. this is
-already tracked and pending the user's visual gate, not a newly found gap.
-
----
-
-## 4. Autorun + mouse semantics
-
-### Retail mechanics (all FACT, byte-read this session)
-
-- **Toggle entry point:** `CommandInterpreter::ToggleAutoRun` (`0x006b3cc0`,
- line 699625-699631): `SetAutoRun(auto_run==0, 1)`. Bound via
- `CommandInterpreter::HandleKeyboardCommand` (`0x006b3690`, line
- 699262-699289) on keyboard command `0x90000c7`: reads an **optional
- trailing float from the same keybind's argument stream** as
- `autorun_speed` (defaults to **1.0** if the keybind carries no extra
- argument — confirmed this is the stock case: the retail keymap's
- `MovementRunLock [ "" [ 0 DIK_Q ] ]` entry carries no such argument).
-- **Default key:** `Q` — confirmed identical in
- `docs/research/named-retail/retail-default.keymap.txt:105` and
- acdream's `KeyBindings.RetailDefaults():174`.
-- **What "on" actually sends:** `CommandInterpreter::ApplyCurrentMovement`
- (`0x006b3430`, line 699146-699183): when `auto_run != 0`, retail
- unconditionally calls
- `MovePlayer(WalkForward(0x45000005), 1, autorun_speed, SetHoldKey=1, HoldKeyToApply=1(Run))`
- — **autorun ALWAYS forces `HoldKey.Run`**, hard-coded, independent of any
- live walk/run toggle state. Since stock `autorun_speed` defaults to 1.0
- and the hold key is forced Run, **retail's default autorun always runs**
- (WalkForward+HoldKey.Run, which ACE/observers see as RunForward), never
- walks, regardless of whether the player has Shift/walk-mode held at
- toggle time or afterward.
-- **Cancel conditions, two independent mechanisms:**
- 1. `CommandInterpreter::HandleNewForwardMovement` (`0x006b3d60`, line
- 699672-699676): **any fresh Forward key press cancels autorun**
- (`SetAutoRun(0, 1)`).
- 2. `CInputManager::ActivateActionKey` (`0x00432650`, line 699243-699258
- region, specifically 699496-699502): on a genuine key-down edge
- (not a repeat) for action IDs `0x29`/`0x2a`/`0x2b`, calls
- `CInputManager::TurnOffRunLock` (`0x004325e0`, line 699424-699442),
- which removes the `MovementRunLock` action state and fires its
- release-equivalent listener callback. (The exact identity of actions
- `0x29`-`0x2b` as raw `CInputManager` action-ID ordinals was not
- resolved from static text this session — **INFERENCE** that they are
- Backward/StrafeLeft/StrafeRight, based on process-of-elimination
- against `HandleNewForwardMovement`'s separate, explicit Forward-only
- handling.)
- 3. Also unconditionally cleared on `LoseControlToServer`,
- `PlayerTeleported`, `PlayerIsDead`-detected `MovePlayer` calls, and
- `HandleKeyboardCommand`'s own `LoseKeyboardFocus`/death paths.
-
-### acdream mechanics
-
-`RuntimeLocalPlayerMovementState.cs` (`Execute(ToggleRunLock)`, :116-119;
-`CancelAutoRun()`, :148-156) + `DispatcherMovementInputSource.cs` (:48-96):
-
-- Default key: **Q** — matches (`KeyBindings.cs:174`).
-- **On:** `Forward: forward || AutoRunActive` (:65) — autorun simply forces
- the `Forward` boolean true; `Run: !walking` (:71) is evaluated **live,
- every poll**, from whatever `InputAction.MovementWalkMode` (Shift) is
- currently held — **independent of autorun state**.
-- **Cancel set:** `HandlePressedAction` (:80-96) cancels autorun on Press
- of `{MovementBackup, MovementStop, MovementStrafeLeft, MovementStrafeRight}`
- only.
-
-### Verdicts
-
-| Behavior | Retail | acdream | Verdict |
-|---|---|---|---|
-| Default key | Q | Q | Parity |
-| Pace while autorunning | **Always Run** (hard-forced `HoldKey.Run`, independent of walk-mode toggle) | **Follows the live `MovementWalkMode` toggle** — if the user has Shift/walk-mode held (or toggled) while or after engaging autorun, autorun walks instead of runs | **Divergent.** Confirmed by direct read of `DispatcherMovementInputSource.cs:71` (`Run: !walking`, unconditioned on `AutoRunActive`) against retail's `ApplyCurrentMovement` autorun branch (`SetHoldKey=1, HoldKeyToApply=1` hard-coded, `0x006b3486`). |
-| Cancel on Backward/Strafe | Yes (input-layer `TurnOffRunLock`, **INFERENCE** on exact action IDs) | Yes, explicit (`MovementBackup`, `MovementStrafeLeft`, `MovementStrafeRight`) | Parity (functional match) |
-| Cancel on Stop key | Not separately identified in retail's cancel set this session (no explicit S/Stop-key cancel site found; likely folds through `auto_run`/`transient_state` reset elsewhere) | Yes, explicit (`MovementStop`) | Likely parity, low-confidence on the retail side |
-| **Cancel on fresh Forward press** | **Yes** — `HandleNewForwardMovement` explicitly cancels autorun on every new W press (`0x006b3d60`) | **No** — `MovementForward` is absent from `HandlePressedAction`'s cancel list (:86-91); architecturally reachable (the same Press edge already drives `CombatAttackInputFrameAdapter.HandleMovementInput`'s abort-for-movement check, `GameplayInputFrameController.cs:24-39`) but not wired to `CancelAutoRun()` | **Divergent, confirmed gap.** In acdream, pressing W while autorunning is currently a no-op (autorun stays latched, `Forward` was already true); in retail, the same press explicitly drops autorun and hands control back to the held key. |
-| Mouse-look interaction with autorun | No evidence found of a direct interaction; mouse-look drives its own `TurnLeft`/`TurnRight` channel independent of `auto_run` | Same — mouse-look turn channel (`_activeInputTurnCommand`) is independent of `AutoRunActive` | Parity (no interaction expected on either side) |
-| Both-mouse-buttons-run | No evidence found of a distinct "both mouse buttons = run forward" binding in the decompiled `CommandInterpreter`/`CInputManager` text searched this session | Not implemented (no such binding in `KeyBindings.RetailDefaults()`) | **Ruled out as a feature** — this session found no retail mechanism for it, so acdream's absence is not a gap. (If the user recalls this from live retail play, it would warrant a targeted cdb trace on `IInputActionCallback`/mouse-button handlers; not found in the static decomp searched here.) |
-
----
-
-## 5. Turn-rate composition
-
-**FACT**, direct decomp read this session, `CMotionInterp::apply_raw_movement`
-(`0x005287e0`, line 305817-305834) → three independent
-`adjust_motion(forward)`, `adjust_motion(sidestep)`, `adjust_motion(turn)`
-calls → `apply_interpreted_movement` (`0x00528600`, line 305713-305788)
-dispatches `DoInterpretedMotion` **separately** per axis.
-
-- **No cross-axis normalization exists in retail.** Forward, sidestep, and
- turn are fully independent scalar channels; there is no diagonal-movement
- magnitude clamp (no "moving diagonally isn't faster than moving straight"
- logic anywhere in this pipeline) — retail "naively adds commands," to use
- the literal reading of `apply_interpreted_movement`'s three sequential,
- unconditional `DoInterpretedMotion` calls.
-- **Turning while moving backward:** confirmed **no interaction** — the
- backward `-0.65×` scale (`adjust_motion`'s `0x45000006→WalkForward`
- canonicalization) only touches the forward channel; the turn channel's
- own `adjust_motion(turn)` call and its 1.5× run-turn factor are
- processed independently with zero shared state.
-- **Order of operations relative to dt:** the 1.5× turn multiplier (and
- the 1.248× sidestep scale, and the ×4.0/`current_speed_factor` catch-up
- math) all operate on the pre-integration **speed scalar**; dt-integration
- happens downstream in physics, not inside `adjust_motion`/
- `apply_run_to_command`. So "run-turn factor before or after dt scaling"
- is moot — it's applied to the same speed value physics later multiplies
- by dt, in both clients.
-
-**acdream's port** (`MotionInterpreter.cs`, `adjust_motion` :1290-1321,
-`apply_raw_movement`-equivalent :1386-1424) mirrors this structure exactly:
-three independent `adjust_motion` calls per axis (:1416, :1420, :1424), no
-cross-axis clamp anywhere in the surrounding code, and the code's own
-comment (:1268-1271) explicitly documents the same ordering subtlety
-retail has (sign-flip on canonicalization happens BEFORE the 1.248
-sidestep scale, so the net multiplier for SideStepLeft is `-1.248×speed`,
-not `-1×(1.248×speed)` — same value algebraically, but the comment shows
-the port tracked retail's actual operation order, not just its result).
-
-**Verdict: full parity.** No combined-input normalization gap found on
-either side (neither client has one) — this is a "ruled out" item, not an
-open question. Backward+turn and strafe+turn combinations have no special
-case in retail and none in acdream, matching.
-
----
-
-## 6. Wire-format cross-check: holtburger + Chorizite
-
-### RawMotionState / MoveToState / AutonomousPosition bit layout — three-way parity
-
-**FACT.** `references/holtburger/crates/holtburger-protocol/src/messages/movement/types.rs:45-61`
-(`RawMotionFlags` bitflags) is bit-for-bit identical to acdream's
-`RawMotionStatePacker.cs:44-55` flag constants (0x001 CurrentHoldKey through
-0x400 TurnSpeed, `num_actions` in bits 11+ via
-`packed_flags >> 11` matching acdream's `NumActionsShift = 11`), and both
-match the named-retail `RawMotionState::Pack` (0x0051ed10) bitfield this
-project already ported. `MoveToStateActionData`
-(`.../movement/actions.rs:9-18`) field order (raw_motion_state, position,
-4× u16 sequence, one trailing byte) matches acdream's `MoveToState.Build`
-call shape exactly, including the trailing
-`(standingLongjump?2:0)|(contact?1:0)` byte (holtburger's
-`contact_long_jump: u8`, same slot). `AutonomousPositionActionData`
-(:141-149) matches `AutonomousPosition.Build` field-for-field.
-
-Independently, holtburger's own `AUTONOMOUS_POSITION_HEARTBEAT_INTERVAL`
-(`crates/holtburger-core/src/client/movement/common.rs:22`) is
-**`Duration::from_secs(1)`** — a third independent confirmation (after
-retail's decomp ctor default `0x3ff00000`=1.0 at line 699783, and acdream's
-`HeartbeatInterval = 1.0f`) that the AP heartbeat is exactly 1 second across
-all three. **Parity, three-way confirmed.**
-
-### Jump packet — acdream matches retail; BOTH holtburger and Chorizite are wrong here
-
-**FACT, byte-verified this session.** Retail's `JumpPack::Pack`
-(`0x00516d10`, decomp line 284915-284967, read directly) writes, in exact
-order: `extent` (f32) → `velocity.x/y/z` (f32×3) →
-**`this->position.vtable->Pack(...)`** (a full `Position` pack: objcell_id
-+ frame origin + quaternion) → `instance_timestamp`/`server_control_timestamp`/
-`teleport_timestamp`/`force_position_ts` (u16×4) → 4-byte align. This
-matches the `JumpPack` **constructor** signature
-(`0x00516c70`, line 284887: `float, Vector3 const*, Position const*, u16×4`)
-exactly — Position genuinely is part of the wire bytes, not just a
-constructor-time convenience.
-
-acdream's `JumpAction.Build(gameActionSequence, extent, velocity, cellId,
-position, rotation, instanceSequence, serverControlSequence,
-teleportSequence, forcePositionSequence)` (called from
-`LocalPlayerOutboundController.cs:73-84`) matches this exactly — this was
-already the subject of a correction (memory: "D4 `JumpAction` = retail
-`JumpPack` (extent·velocity·Position·4 ts); spurious objectGuid/spellId
-removed, Position now packed").
-
-By contrast:
-- **holtburger's `JumpActionData`** (`.../movement/actions.rs:73-82`) has
- **no `Position` field at all** — instead `extent`, `velocity`, 4×
- sequence, then `object_guid: Guid` and `spell_id: u32`. This is the
- *pre-correction* shape acdream itself used to have before the D4 fix
- (per the same memory note) — i.e. holtburger's Jump model reproduces the
- same historical mistake acdream already found and fixed via the named
- decomp.
-- **Chorizite's `JumpPack.generated.cs`** (`Types/JumpPack.generated.cs:22-83`)
- has **neither Position nor object_guid/spell_id** — just `Extent`,
- `Velocity`, and the 4 sequence ushorts, then straight to 4-byte
- alignment. Also missing the Position bytes.
-
-**Conclusion: acdream's Jump packet is the retail-correct one; do not use
-holtburger's or Chorizite's Jump models as a tiebreaker for this specific
-packet** — both diverge from the byte-verified retail shape in the same
-direction (omitting Position), and holtburger additionally invents
-object_guid/spell_id fields that do not exist on the wire. This is a
-genuine finding worth remembering for future cross-reference work on this
-one packet (not something to act on in acdream — acdream is already
-correct), and is exactly the kind of case the project's reference-hierarchy
-rule anticipates ("the intersection of the relevant references is almost
-always the truth... a single reference can be misleading") — here the
-*retail decomp itself*, not the intersection, was the tiebreaker, since two
-of three references independently share the same divergence.
-
----
-
-## 7. Ranked gap catalog
-
-1. **[HIGH] Interpolation catch-up cap is 4× too fast for any non-running remote (§2a).**
- `MotionInterpreter` never ported `get_adjusted_max_speed`
- (`0x00527d00`) or `current_speed_factor`; every catch-up-cap call site
- (`RuntimeRemotePhysicsUpdater.cs:254,291,685`,
- `LiveEntityMotionRuntimeController.cs:174`, `PlayerModeController.cs:328`)
- uses the always-×4 `GetMaxSpeed()` instead of the conditional accessor
- retail's own `fUseAdjustedSpeed_=1` static makes the *only* live path.
- Root-cause candidate for observed remote catch-up feeling too
- fast/twitchy outside full sprint. **Recommended fix order: first**,
- since it's concrete, well-cited, and plausibly explains existing
- symptom reports (#41/#165 family) the project has been chasing under
- other theories.
-2. **[MEDIUM] Autorun always inherits the live walk/run toggle instead of always forcing Run (§4).**
- `DispatcherMovementInputSource.cs:71` computes `Run: !walking` every
- poll, unconditioned on `AutoRunActive`; retail's `ApplyCurrentMovement`
- hard-forces `HoldKey.Run` for the entire duration of an autorun latch
- regardless of walk-mode state. User-visible: toggling walk-mode while
- autorunning in acdream can make it walk; retail autorun never walks
- (absent a custom keybind speed argument, which the stock keymap doesn't
- carry).
-3. **[MEDIUM] Autorun does not cancel on a fresh Forward (W) press (§4).**
- `HandlePressedAction`'s cancel set omits `InputAction.MovementForward`;
- retail's `HandleNewForwardMovement` explicitly cancels on every new W
- edge. Currently a silent no-op difference (autorun stays latched) that
- is architecturally trivial to close — the same Press edge is already
- routed through the pipeline for the unrelated combat-abort check.
-4. **[LOW, doc-only] AP-30 register row is stale (§1).** Both its file:line
- citation and its epsilon claim about retail no longer match reality —
- the code already matches retail's real (epsilon-based, not exact)
- `Frame::is_equal`/`Plane::operator==` comparison. Recommend
- retiring/correcting the row; zero runtime risk either way.
-5. **[LOW] Indoor `AutonomyBlipDistance` uses a flat 100 m regardless of indoor/outdoor (§2b).**
- Already flagged in the code's own comment as a known simplification (cdb
- sourced 20 m indoor vs 100 m outdoor); not a new finding, but grouped
- here since it's the one open item in an otherwise clean interpolation
- audit.
-6. **[LOW, needs follow-up not fix] Confirm the 96 m hard-teleport-snap threshold's acdream equivalent (§2b).**
- This session did not locate the acdream call site that mirrors retail's
- `MoveOrTeleport` 96 m routing gate (`0x00516330`) — flagged as an
- unresolved research gap, not a confirmed divergence. Worth a follow-up
- grep for wherever acdream decides "too far to interpolate, snap
- instead" at the physics-dispatch layer (outside `InterpolationManager.cs`
- itself).
-7. **[INFO, no action] CLAUDE.md's "ACE's Run↔Walk relay behavior is uncertain" phrasing is stale (§2g).**
- Issue #39 closed 2026-07-02 with the opposite finding (retail does send
- a fresh MoveToState on HoldRun toggle; ACE does relay it). Small doc
- correction candidate, zero code impact.
-8. **[INFO, no action] Two of three wire-format oracles have a wrong Jump packet model (§6).**
- holtburger and Chorizite both omit `Position` from their Jump packet
- type; acdream's is byte-verified correct. No action needed on acdream's
- side — recorded so a future cross-reference pass doesn't get misled by
- holtburger/Chorizite's shared mistake on this one packet.
-
----
-
-## Sources consulted
-
-- `docs/plans/2026-07-29-physics-parity-campaign.md` (scope boundary —
- what Campaign P already closed)
-- `docs/architecture/retail-divergence-register.md` (rows TS-33, TS-28,
- AP-30, AD-57, and the full IA/AD/TS header banners for context)
-- `docs/ISSUES.md` (#235, #262, #39, the AP-23 door-Use item at :3825-3826)
-- `claude-memory/project_retail_motion_outbound.md`,
- `claude-memory/project_input_pipeline.md`,
- `claude-memory/project_physics_collision_digest.md` (Campaign P summary
- section only)
-- `claude-memory/feedback_autowalk_cancharge_bit.md`
-- `docs/research/named-retail/acclient_2013_pseudo_c.txt` — direct reads at
- lines 38445-38505 (`Frame::is_equal`/`is_quaternion_equal`), 305062-305156
- (`apply_run_to_command`, `get_adjusted_max_speed`), 305160-305199
- (`get_state_velocity`), 353095-353135 (`InterpolationManager` catch-up
- dispatch), 353261-353344 region, 284887-284967 (`JumpPack::Pack`/ctor),
- 698940-699850 (autorun/`CommandInterpreter` family), 699560-699830
- (`UseTime`, `ToggleAutoRun`, `HandleNewForwardMovement`, `Plane::operator==`,
- `CommandInterpreter` ctor), 699120-699220 (`ApplyCurrentMovement`,
- `ApplyListHeadMovement`), 55424-55520 (`CInputManager::TurnOffRunLock`/
- `ActivateActionKey`), 700233-700420 (`ShouldSendPositionEvent`,
- `SendMovementEvent`, `SendPositionEvent`, `SetAutoRun`); plus targeted
- greps for `JumpPack`, `apply_run_to_command`, `auto_run`, `Plane::operator==`,
- `Frame::is_equal`, `0x45000005`.
-- `docs/research/named-retail/retail-default.keymap.txt` (Q=MovementRunLock,
- S=Stop confirmed)
-- acdream source: `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs`,
- `LocalPlayerOutboundController.cs`, `RuntimeLocalPlayerMovementState.cs`;
- `src/AcDream.Core.Net/Messages/RawMotionStatePacker.cs`;
- `src/AcDream.Core/Physics/RawMotionState.cs`, `MotionInterpreter.cs`,
- `InterpolationManager.cs`, `Motion/MoveToManager.cs`,
- `Motion/MovementParameters.cs`; `src/AcDream.App/Input/DispatcherMovementInputSource.cs`,
- `GameplayInputFrameController.cs`; `src/AcDream.UI.Abstractions/Input/KeyBindings.cs`,
- `InputAction.cs`; `src/AcDream.App/Interaction/WorldSelectionQuery.cs`;
- `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs`,
- `LiveEntityMotionRuntimeController.cs`; `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs`
-- `references/holtburger/crates/holtburger-protocol/src/messages/movement/types.rs`,
- `actions.rs`; `references/holtburger/crates/holtburger-core/src/client/movement/{system.rs,common.rs}`
-- `references/Chorizite.ACProtocol/Chorizite.ACProtocol/Types/JumpPack.generated.cs`,
- `Messages/C2S/Actions/Movement_Jump.generated.cs`
-- Two Sonnet research subagents (retail-decomp MoveTo/interpolation/turn
- research; acdream MoveToManager/InterpolationManager code research) —
- their findings were spot-checked directly against the named decomp and
- source files in this pass (per `feedback_verify_subagent_claims_against_source.md`);
- all spot-checks (MovementParameters ctor defaults, `apply_run_to_command`,
- issue #39 status) matched their reports.
diff --git a/docs/research/2026-07-30-response-layer-edge-family-pseudocode.md b/docs/research/2026-07-30-response-layer-edge-family-pseudocode.md
deleted file mode 100644
index 631d744a..00000000
--- a/docs/research/2026-07-30-response-layer-edge-family-pseudocode.md
+++ /dev/null
@@ -1,1246 +0,0 @@
-# P2 — Collision response-layer edge family: port-ready pseudocode
-
-**Status: RETAIL RESPONSE ORDER COMPLETE (2026-07-31).** Originally a
-research-only doc for Campaign P Slice P2
-(`docs/plans/2026-07-29-physics-parity-campaign.md` §P2). The first TS-4
-attempt reproduced a steep-roof fixed point because its fixture discarded
-the accepted contact state between frames; §7 item 6 preserves that useful
-failure analysis. Slice 1B then completed the exact nested edge/StepDown
-dispatcher, Slice 2A restored StepDown's mandatory Placement tail, and Slice
-2B repeated the removal with production-shaped state carry and the complete
-direction matrix. TS-4 is now retired; see §10.
-#166 got a reattribution note in ISSUES.md rather than new code (per §3).
-#116's former skipped wall control is now active with the retail Path-6
-first-frame hard stop and next-frame slide chronology.
-**Headline findings that change the plan's assumptions:** TS-1 was already
-substantially ported (the register row and plan phrasing were stale — see
-§2); the one real gap needed no code change (acdream's unified world-space
-`SpherePath` design makes retail's per-cell recache a no-op correction here
-— see §2 and the TS-1 register row's retirement text); #166 is very likely
-NOT about a literal `PhysicsState.Sledding` auto-toggle at all (see §3);
-AP-7's L.3c regression does not reproduce on the production graphical
-root-motion path post-R6, and now ports retail's confirmed 0.25f threshold
-(see §1). The apparent TS-4 wedge was a harness-state defect, not a reason to
-retain a product compensation: production-shaped vertical, inward,
-tangential, uphill, and downhill histories now pass graph/flat raw-bit
-parity without the shortcut. Campaign P Slice 1B removed AP-3, AP-4, AD-53,
-and AD-54 (§8); Slice 2A retired AP-5 (§9); Slice 2B retired TS-4 (§10).
-
-Every claim below is tagged **FACT** (grep/read-verified against the
-named-retail decomp, the register, ISSUES.md, or current acdream source
-in THIS worktree at the time of writing) or **INFERENCE** (reasoned but
-not yet decomp/cdb/Ghidra-confirmed — do not port on an INFERENCE alone
-without the flagged follow-up).
-
----
-
-## 0. Binding DO-NOT-RETRY entries (copied verbatim from
-`memory/project_physics_collision_digest.md`, 3-day-old snapshot —
-re-verify line numbers before the implementation session)
-
-These bind the P2 implementer. Do not re-attempt any of these shapes.
-
-1. **Do NOT add `SetSlidingNormal` calls in the BSP/sphere collision
- layer.** Retail's only in-transition writer of `collision_info.sliding_normal`
- is `validate_transition` (0x0050ac21 / 0x0050aa70). A leaked normal +
- success writeback = an absorbing wedge at empty space. (#137
- mechanism-2 lesson; directly governs TS-4 item 4 below.)
-2. **Do NOT re-add a forced constant-shell de-penetration** to the
- sphere/cyl response. Retail slides tangentially (crease = collisionNormal
- × contactPlane.Normal) and never force-separates.
-3. **`SphereCollision` no longer calls `SetSlidingNormal`** (TS-45
- retired) — the only in-transition sliding-normal writer is
- `validate_transition`. Keep it that way.
-4. **Do NOT patch the degenerate-offset guard in `slide_sphere` ad hoc**
- for #116 — the issue explicitly wants an oracle-driven pass, not a
- symptom patch. (#116 DO-NOT-RETRY, both the digest and ISSUES #116.)
-5. **Do NOT re-introduce a topology-based outside-add / radial sweep**
- to cell membership while touching this family — unrelated layer, but
- the digest's adjacent #98/#116 sessions warn subagents drift there.
-6. **`calc_friction` threshold is retail 0.25 vs acdream 0.0** — this is
- AP-7. The L.3c attempt (naive bump to 0.25, no state gate) regressed
- normal walking 3 → 0.16 m/s and was reverted. Do NOT repeat a bare
- threshold bump without decoding the state gate first.
-7. **Shape-1 of #116 (tick-22760 lateral-slide loss) is NOT the
- degenerate-offset guard threshold** — that guard kills slides under
- ~1.4 cm; the lost slide was 3.57 cm, well above it. The real
- divergence is the collision-normal SOURCE (recording layer), not
- slide/validate. Do not re-chase the guard threshold for shape-1.
-8. **Do NOT guess the BN `test ah,5` x87 branch polarity/squaring** in
- `slide_sphere` — this exact construct is called out as undecodable
- from BN alone (the PosHitsSphere-saga warning). Ghidra MCP settled it
- once already (2026-06-12) for the EPSILON-vs-EpsilonSq bug; Ghidra MCP
- is DOWN for this research pass — mark any residual x87-ambiguous claim
- Ghidra-verify, cite ACE as the fallback tiebreaker, do not silently guess.
-9. **SUPERSEDED 2026-07-31 by Campaign P Slice 1B.** AP-4's CliffSlide-first
- compensation was removed only after the complete retail
- `transitional_insert`/`edge_slide` order was read and branch-order plus
- graph/flat multi-frame roof/ledge controls passed. Do not reintroduce the
- compensation; see §8 and the retired AP-4 row.
-10. **TS-46 (two-scalar sphere reconstruction) is OUT OF SCOPE for P2**
- (it's P3) but shares files (`TransitionTypes.cs` `InitPath`) — do not
- fold TS-46 sphere-list work into a P2 commit.
-
----
-
-## 1. AP-7 — friction state gate
-
-### The function (FACT — named-retail grep-first)
-
-`CPhysicsObj::calc_friction` is named at pseudo-C:276694
-(address `0050ee70`), called from `UpdatePhysicsInternal`-equivalent at
-pseudo-C:278490 (`0050f0a…` region, `CPhysicsObj::calc_friction(this, arg2,
-var_28)` where `arg2`=dt/quantum, `var_28`=velocity_mag2 — matches acdream's
-`calc_friction(float dt, float velocityMag2)` signature already).
-
-Full structure read from pseudo-C:276694-276822 (**FACT**, direct read, not
-Ghidra):
-
-```
-void CPhysicsObj::calc_friction(dt, velocityMag2) {
- if ((transient_state & 2) != 0) { // OnWalkable (see below)
- if ((state & MASK) == 0) { // MASK: BN-garbled string constant, see below
- // ---- Branch A ----
- dot = dot(contact_plane.N, velocity); // order N·v
- if (!p_5) // p_5 from (dot < 0.25f) comparison, x87-ambiguous
- velocity -= dot * contact_plane.N;
- friction = this->friction; // read field (decompiler shows bare read;
- // almost certainly `1.0f - this->friction`
- // collapsed/elided — see ACE cross-check)
- label_50f00e:
- velocity *= pow(friction, dt); // shared tail with Branch B
- } else {
- // ---- Branch B ----
- dot = dot(velocity, contact_plane.N); // same value, operand order swapped
- if (!p_1) { // p_1 from (dot < 0.25f), x87-ambiguous
- friction = 0.2f; // LOCAL default inside this branch
- velocity -= dot * contact_plane.N;
- p_2 = (velocityMag2 ⋛ 1.5625f); // x87-ambiguous direction
- if (p_2) {
- p_3 = (velocityMag2 ⋛ 6.25f); // x87-ambiguous direction
- if (p_3)
- p_4 = (cos(10°=0.17453292519943295 rad) ⋛ contact_plane.N.z); // x87-ambiguous
- if (!p_3 || !p_4)
- friction = this->friction; // fall back to object's own friction
- }
- goto label_50f00e;
- }
- }
- }
-}
-```
-
-Constants confirmed **FACT** by direct read: `0.25f` (both branches,
-independently re-derived — not copy-paste, two separate x87 loads),
-`0.2f`, `1.5625f`, `6.25f`, `0.17453292519943295` (=10° in radians, fed
-to `__fcos`). The outer gate bit is `transient_state & 2`.
-
-### Cross-check: ACE `PhysicsObj.calc_friction` (FACT, `references/ACE/Source/ACE.Server/Physics/PhysicsObj.cs:2120-2141`)
-
-```csharp
-public void calc_friction(double quantum, float velocity_mag2)
-{
- if (!TransientState.HasFlag(TransientStateFlags.OnWalkable)) return;
-
- var angle = Vector3.Dot(Velocity, ContactPlane.Normal);
- if (angle >= 0.25f) return;
-
- Velocity -= ContactPlane.Normal * angle;
-
- var friction = Friction; // this->friction — SAME baseline in ALL cases
- if (State.HasFlag(PhysicsState.Sledding))
- {
- if (velocity_mag2 < 1.5625f)
- friction = 1.0f;
- else if (velocity_mag2 >= 6.25f && ContactPlane.Normal.Z > 0.99999536f)
- friction = 0.2f;
- }
-
- var scalar = (float)Math.Pow(1.0f - friction, quantum);
- Velocity *= scalar;
-}
-```
-
-`TransientStateFlags.OnWalkable = 0x2` (FACT,
-`references/ACE/Source/ACE.Server/Physics/PhysicsEngine.cs:11`) — matches
-the decomp's `transient_state & 2` outer gate exactly, and matches
-acdream's own `TransientStateFlags.OnWalkable` bit already.
-
-**This resolves the "state gate" mystery differently than the register's
-current framing.** ACE shows ONE linear function, not two branches — the
-`state`/`MASK` test that BN rendered as two duplicated blocks is
-`PhysicsState.Sledding` (`SLEDDING_PS = 0x800000`, confirmed **FACT** —
-`acclient.h:2838` places it directly in the `PhysicsState` enum next to
-`EDGE_SLIDE_PS = 0x400000`, and `references/ACE/Source/ACE.Server/Physics/PhysicsObj.cs:2130`
-gates on exactly that flag with the exact same 1.5625/6.25/near-1.0
-constants). The BN decompiler almost certainly duplicated a single
-`if (state & SLEDDING_PS) { ... } ` block into what read as two
-near-mirror branches — this is a known BN artifact class
-(`feedback_bn_decomp_field_names.md`). **ACE-derived reading, mark
-Ghidra-verify**: I could not confirm from the raw pseudo-C alone why the
-branches read as fully separate blocks rather than one `if`; a live
-Ghidra decompile of `0050ee70` would settle whether the source truly had
-duplicated logic (possible if the original C++ had two near-identical
-inlined call sites) or whether this is purely a BN rendering artifact. Do
-not restructure the port around "two branches" — port ACE's single
-linear shape; it is structurally consistent with every constant the raw
-decomp independently confirms.
-
-**The threshold-direction ambiguity (`p_5`/`p_1`/`p_2`/`p_3`/`p_4`, all
-`test ah,0x5`-class x87 flag tests) is NOT independently Ghidra-verified
-this pass** (Ghidra MCP is down). ACE's clean `if (angle >= 0.25f) return;`
-is adopted as the **ACE-derived, Ghidra-verify** reading for `p_5`/`p_1`
-polarity. The `p_2`/`p_3`/`p_4` velocity-magnitude-band and slope-flatness
-polarities are likewise **ACE-derived, Ghidra-verify**.
-
-**⚠️ Constant discrepancy found (FACT, needs Ghidra-verify to resolve):**
-the raw decomp's slope test literally computes `__fcos(0.17453292519943295)`
-(= cos(10°) ≈ 0.984808) and compares it against `contact_plane.N.z`.
-ACE's port instead compares `ContactPlane.Normal.Z > 0.99999536f` directly
-— no `cos()` call, and 0.99999536 corresponds to an angle of only
-≈0.175° from flat (`acos(0.99999536) ≈ 0.175°`), not 10°. These are
-**physically very different tests** (cos(10°) accepts any slope within
-10° of flat; 0.99999536 accepts only essentially-perfectly-flat ground).
-Two hypotheses, neither confirmed:
- (a) BN misdecompiled a raw float-constant load as an `__fcos()` call
- (a known BN artifact class — spurious x87 opcode reinterpretation);
- (b) ACE's own decompile/port made an independent error and
- `cos(10°)=0.984808` is correct.
- **Do not silently pick one.** File as an open Ghidra question (§7);
- when Ghidra MCP is back, decompile `0050ee70` directly and check
- whether the FCOS opcode is actually present at that instruction, or
- whether it's a raw `FLD` of `0.99999536` (or of `0.984808`).
-
-### Why the L.3c naive threshold bump (0.0 → 0.25) hammered walking — and why that may no longer be true today (FACT + INFERENCE, high confidence, code-derived)
-
-`src/AcDream.Core/Physics/PhysicsBody.cs:576-602` is acdream's current
-`calc_friction`. Its threshold is **0.0** (`if (dot >= 0f) return;`),
-attributed to the OLDER, unnamed Ghidra decomp (`FUN_0050f940` — a
-DIFFERENT address than the named function `0050ee70`; the two decomp
-passes disagree, and per CLAUDE.md the named decomp wins). The named
-decomp's independently-confirmed **0.25f** (both branches) is FACT-level
-confirmation that ACE's 0.25f reading — and the register's AP-7 row — are
-correct, and acdream's in-code comment ("we match the decompile" at 0.0)
-was matching the wrong (superseded, unnamed) decomp pass.
-
-The recorded L.3c failure (2026-04-30): bumping the threshold alone to
-0.25f, with NO other change, dropped measured forward locomotion from
-~3 m/s to ~0.16 m/s (≈5.3% remaining) in
-`PlayerMovementControllerTests`. The math checks out exactly:
-`Friction = DefaultFriction = 0.95f` (confirmed **FACT** — both
-`src/AcDream.Core/Physics/PhysicsBody.cs:120` and
-`references/ACE/Source/ACE.Server/Physics/PhysicsGlobals.cs:15` agree on
-`0.95f`, so this is NOT a divergent constant), and flat-ground walking
-has `dot(velocity, groundNormal) ≈ 0` (velocity is ~horizontal, normal is
-~vertical). With threshold 0.0, `dot(≈0) >= 0` triggers the early return
-— friction NEVER engaged during flat walking. With threshold 0.25,
-`dot(≈0) < 0.25` — friction ALWAYS engaged, decaying velocity by
-`pow(1 − 0.95, dt)` = `0.05^dt` EVERY tick. At 60 Hz over 1 second:
-`0.951^60 ≈ 0.049` — a ~95% velocity loss in one second. That is the
-observed 3 → 0.16 m/s hammering almost exactly.
-
-**INFERENCE, code-derived (high confidence, not yet live-verified):** the
-L.3c test predates the 2026-07-17 "local player animation-owned grounded
-movement" landing (R6). Reading current
-`src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:1742-1756`:
-
-```csharp
-if (_body.OnWalkable)
-{
- float savedWorldVz = _body.Velocity.Z;
- if (hasAnimationRootMotion)
- {
- _body.Velocity = new Vector3(0f, 0f, savedWorldVz); // <-- XY ZEROED
- }
- else
- {
- Vector3 stateVelocity = _motion.get_state_velocity();
- _body.set_local_velocity(
- new Vector3(stateVelocity.X, stateVelocity.Y, savedWorldVz),
- autonomous: _body.LastMoveWasAutonomous);
- }
-}
-...
-_body.UpdatePhysicsInternal(tickDt); // calls calc_friction internally
-```
-
-When the graphical client's animation root motion drives the walk
-(`hasAnimationRootMotion == true`, the production path since R6),
-`_body.Velocity.X/Y` are forced to **zero** immediately before
-`calc_friction` runs every tick — because walking displacement now comes
-from `pmDelta.Origin` (the animation Frame delta, applied directly to
-`_body.Position` at lines 1764-1766), not from integrating `Velocity`.
-**Friction decaying an already-zero horizontal Velocity is a no-op.** This
-means the L.3c hammering mechanism is very likely ARCHITECTURALLY MOOT
-for the production graphical local-player path today — the regression
-that blocked AP-7 in April may not reproduce post-R6.
-
-The `else` branch (no animation root motion — the headless/test-controller
-path, `_motion.get_state_velocity()`) still feeds real XY speed into
-`Velocity`, so that path (used by Slice K headless bots and any test
-without an attached animation source) is still exposed to the same
-hammering risk a naive threshold-only port would reintroduce.
-
-**Action for the implementer, not yet executed by this research pass:**
-before porting, re-run `PlayerMovementControllerTests` (or an equivalent
-fresh capture) with a 0.25f threshold and the corrected ACE-derived
-single-linear-function shape, checked separately against (a) the
-graphical/animated local-player path, (b) the headless/`get_state_velocity`
-path, and (c) remote/NPC movers (`RuntimeRemotePhysicsUpdater.cs`,
-`RemoteMotion.cs` — confirm whether their Velocity is root-motion-zeroed
-the same way, or whether they remain velocity-integrated and therefore
-friction-sensitive). Do not assume (a) is safe without a fresh capture —
-this section's confidence is code-derived, not measured.
-
-### AP-7 verdict
-
-**Port shape:** replace acdream's two-threshold, dead-Sledding-branch
-`calc_friction` with ACE's single linear function (0.25f threshold, single
-`friction = Friction` baseline, `PhysicsState.Sledding`-gated override
-using the already-present 1.5625/6.25/near-flat constants — acdream
-already has these at `PhysicsBody.cs:591-597`, just unreachable because
-nothing ever sets the state bit; see §3). Flag the cos(10°) vs 0.99999536
-discrepancy (Ghidra-verify) and pick ACE's `0.99999536f` provisionally
-since acdream's own current dead code already uses it (least churn) —
-**do not silently resolve the discrepancy by picking one without a
-citation in the eventual commit; carry the open question into the
-register row.**
-
-## 2. TS-1 — PrecipiceSlide / EdgeSlide / CliffSlide chain
-
-### ⚠️ Major finding: the register/plan framing is STALE — TS-1 is already substantially ported (FACT, code-verified)
-
-The register row (`docs/architecture/retail-divergence-register.md:238`)
-says: *"PrecipiceSlide context missing — conservative stop-at-edge
-instead of retail's EdgeSlide → PrecipiceSlide / CliffSlide"*, citing
-`TransitionTypes.cs:1254`. **Line 1254 today is unrelated stepping-loop
-code (the viewer last-step-remainder computation)** — the file has moved
-substantially since that row was written. Reading the actual current
-implementation:
-
-- `SpherePath.PrecipiceSlide(Transition)` — `TransitionTypes.cs:943-970`
- — a real port of `SPHEREPATH::precipice_slide` (pseudo-C:274316,
- `0050cc80`), calling `BSPQuery.FindCrossedEdge` (a real port of
- `CPolygon::find_crossed_edge`, pseudo-C:322909, `00539300` —
- `BSPQuery.cs:438-482`), sign-flipping via a dot product exactly like
- retail's `x87_r7_17` sign test, then delegating to
- `Transition.SlideSphereInternal` exactly like retail's tail call to
- `CSphere::slide_sphere`.
-- `Transition.CliffSlide(Plane)` — `TransitionTypes.cs:2037-2102` — a
- real port of `CTransition::cliff_slide` (pseudo-C:272397, `0050a6d0`):
- cross product of the two plane normals, Z-flattened, rotated 90° in
- the XY plane (`(-Y, X, 0)`), degenerate-check, sign-resolved offset
- application via `SetCollisionNormal`. **Return-value mapping verified
- FACT-correct against `acclient.h:6100-6108`
- (`OK_TS=1, COLLIDED_TS=2, ADJUSTED_TS=3, SLID_TS=4`):** the degenerate
- case returns `TransitionState.OK` (matches retail's `return 1;` =
- `OK_TS`); the success case returns `TransitionState.Adjusted` (matches
- retail's `return 3;` = `ADJUSTED_TS`). This is correctly ported, not
- guessed.
-- `Transition.EdgeSlideAfterStepDownFailed` — `TransitionTypes.cs:1907-2035`
- — a dispatcher structurally mirroring `CTransition::edge_slide`
- (pseudo-C:273001-273090, `0050b3d0`), including the AP-4-registered
- reordering (steep-contact-plane CliffSlide check moved before the
- `!OnWalkable || !EdgeSlide` bail, to compensate for acdream's
- OnWalkable bookkeeping — see DO-NOT-RETRY §0 item 9).
-
-**This means TS-1's row and the P2 plan's "port the EdgeSlide → PrecipiceSlide
-/ CliffSlide chain" framing describe work that is largely DONE.** The
-register row was not retired in the same commit that landed this — a
-process gap, not a code gap. **Recommend re-verifying with a live capture
-before writing new code**, not blindly re-porting from scratch.
-
-### Retail source, quoted in full (FACT, pseudo-C:273001-273090, `0050b3d0`)
-
-```
-TransitionState CTransition::edge_slide(arg2/*out*/, arg3=step_down_height, arg4=zVal) {
- state = object_info.state
- if ((state & 2) == 0 || (state.byte[1] & 2) == 0) { // NOT walkable-capable / NOT EdgeSlide-capable
- walkable = null; check_pos = backup_check_pos; check_cell = backup_cell;
- contact_plane_valid = 0; contact_plane_is_water = 0;
- *arg2 = OK_TS; return cache_global_sphere(null);
- }
- if (contact_plane_valid) {
- p_1 = (contact_plane.N.z - arg4) ⋛ 0 // x87-ambiguous, ACE-derived: "N.z >= zVal"
- if (!p_1) { // contact steeper than allowed (zVal = FloorZ or LandingZ)
- walkable = null; restore_check_pos();
- *arg2 = cliff_slide(this, &contact_plane);
- contact_plane_valid = 0; contact_plane_is_water = 0;
- return 0;
- }
- // else: falls through (contact IS walkable-steep-enough)
- }
- if (walkable != null) {
- restore_check_pos();
- contact_plane_valid = 0; contact_plane_is_water = 0;
- result = precipice_slide(sphere_path, collision_info);
- *arg2 = result;
- return (result == COLLIDED_TS);
- }
- if (contact_plane_valid) { // walkable was null, contact fell through as OK
- walkable = null; restore_check_pos(); cell_array_valid = 1;
- contact_plane_valid = 0; contact_plane_is_water = 0;
- *arg2 = OK_TS; return ...;
- }
- // ---- back-probe fallback: neither contact nor walkable available ----
- offset = global_curr_center - global_sphere.center; // back toward where we came from
- add_offset_to_check_pos(offset);
- step_down(this, arg3, arg4);
- contact_plane_valid = 0; contact_plane_is_water = 0;
- restore_check_pos();
- if (walkable == 0) {
- walkable = null; *arg2 = COLLIDED_TS; cell_array_valid = 1; return ...;
- }
- contact_plane_valid = 0; contact_plane_is_water = 0;
- walkable_scale = sphere_path.walkable_scale;
- cache_localspace_sphere(get_walkable_pos(sphere_path), walkable_scale); // <-- NOT PRESENT IN ACDREAM
- set_walkable_check_pos(sphere_path, localspace_sphere); // <-- NOT PRESENT IN ACDREAM
- result = precipice_slide(sphere_path, collision_info);
- *arg2 = result;
- return (result == COLLIDED_TS);
-}
-```
-
-### Precise, evidenced gap #1: the back-probe fallback path skips retail's localspace re-cache before its second `precipice_slide` call (FACT)
-
-Retail's edge_slide has **two distinct `precipice_slide` call sites**:
-one direct (when `sphere_path.walkable != 0` already), one in the
-back-probe fallback (when NEITHER a valid contact plane NOR a walkable
-polygon survived) — and ONLY the second site performs
-`walkable_scale`/`cache_localspace_sphere`/`get_walkable_pos`/
-`set_walkable_check_pos` first (pseudo-C:274318-274326, `0050b4e0-0050b507`).
-
-acdream's `SpherePath` has **no** `WalkableScale`, `LocalspaceSphere`,
-`GetWalkablePos`, or `SetWalkableCheckPos` member/method anywhere
-(confirmed by grep across `TransitionTypes.cs` — zero hits), and its
-single unified `PrecipiceSlide(Transition)` method
-(`TransitionTypes.cs:943-970`) is called identically from BOTH the
-direct branch3 case (`TransitionTypes.cs:2002`, matches retail's first
-call site correctly — no re-cache needed there either) AND the back-probe
-fallback (`TransitionTypes.cs:2031`, **should** match retail's second
-call site but is missing the re-cache step retail performs first).
-
-**Port-ready shape (INFERENCE for the exact field semantics — the
-walkable_scale/localspace-sphere machinery itself needs a fresh read of
-`SPHEREPATH::get_walkable_pos`/`cache_localspace_sphere`/
-`set_walkable_check_pos`, not yet read this pass; FACT that the gap
-exists, INFERENCE on the fix shape):** add the three missing
-`SpherePath` members/methods, call them in
-`EdgeSlideAfterStepDownFailed`'s final fallback block
-(`TransitionTypes.cs:2015-2031`) immediately before the
-`sp.PrecipiceSlide(this)` call at line 2031, matching retail's ordering.
-`get_walkable_pos`/`cache_localspace_sphere`/`set_walkable_check_pos`
-were not read this pass (budget) — **read them fresh before porting**
-(pseudo-C, search near `SPHEREPATH::get_walkable_pos` — a hit already
-appears in the `edge_slide` grep at the top of this section's raw quote,
-so the symbol exists and is findable).
-
-### Precise, evidenced gap #2 (likely unregistered adaptation, not a bug per se): `CliffSlide`'s reference-normal fallback chain is an acdream invention (FACT: not in the retail read; adaptation reasoning IS documented in-code)
-
-Retail's `cliff_slide` (pseudo-C:272397) uses
-`this->collision_info.last_known_contact_plane.N` **directly, with no
-fallback chain** as the second cross-product operand. acdream's
-`CliffSlide` (`TransitionTypes.cs:2037-2070`) instead tries THREE
-sources in priority order: `LastWalkablePlane` (if `Normal.Z >= FloorZ`),
-then `LastKnownContactPlane` (same threshold), then `Vector3.UnitZ`
-world-up. The in-code comment ("L.4-cliffslide-fallback", dated
-2026-04-30) explains the reasoning (degenerate cross-product when the
-player has been on a continuous steep slope for >1 frame and
-`LastKnownContactPlane` itself became steep) but **this reasoning does
-not appear to have a corresponding register row** (checked AP-4, TS-1 —
-neither mentions the fallback chain specifically; AP-4 is about
-re-ordering the CliffSlide-vs-Branch1 check, a different concern).
-**Flag for the implementer:** either (a) find this exact
-prioritization in a further retail read (unlikely given the raw decomp's
-directness, but not yet exhaustively ruled out — `last_known_contact_plane`
-itself might be retail-maintained differently than acdream's equivalent
-field, which could make the fallback chain compensate for an upstream
-divergence rather than being a pure invention), or (b) register it
-explicitly as an AD/AP row with this citation before or alongside the P2
-commit. Do not silently leave an unregistered behavioral invention in
-place while "retiring" the TS-1 row — that violates the register's
-same-commit rule.
-
-### Precise, evidenced gap #3 (likely unregistered adaptation): the walkable-polygon steepness reroute in `EdgeSlideAfterStepDownFailed`
-
-`TransitionTypes.cs:1972-1997` — when `sp.HasWalkablePolygon` is true,
-acdream additionally checks `sp.WalkablePlane.Normal.Z < FloorZ` and, if
-so, reroutes to `CliffSlide(sp.WalkablePlane)` INSTEAD of calling
-`PrecipiceSlide`. Retail's raw `edge_slide` (`if (walkable != null) { ...
-precipice_slide(...) }`) has **no steepness branch on the walkable
-polygon itself** — it always calls `precipice_slide` once `walkable !=
-null`. The in-code comment ("L.4-walkable-steep") argues this compensates
-for acdream's Path-4 airborne-landing branch accepting steep roofs as
-"walkable" under the permissive `LandingZ` threshold (a claim this
-research pass did not independently verify — Path-4 was not read this
-session; TS-4 §4 below covers the adjacent but distinct Path-6 concern).
-**Flag for the implementer:** same as gap #2 — verify whether this
-reroute is compensating for a real upstream divergence (in which case it
-should be an AD/AP row) or is masking a bug that should be fixed at its
-source (Path-4's LandingZ acceptance) instead of patched here. Do not
-retire TS-1 while leaving this unregistered.
-
-### TS-1 verdict
-
-**Port shape:** narrow, not a rewrite. (1) Add the retail
-`walkable_scale`/`cache_localspace_sphere`/`get_walkable_pos`/
-`set_walkable_check_pos` step to the back-probe fallback path only (gap
-#1 — a real, missing piece). (2) Audit gaps #2 and #3 against a fresh,
-focused retail re-read of `last_known_contact_plane` maintenance and the
-Path-4 landing-acceptance threshold; register whichever holds up as
-AD/AP rows, or align to retail exactly if the compensation turns out
-unnecessary. (3) Only THEN retire the TS-1 register row, in the same
-commit, updating its citation (the current `:1254` citation is already
-stale and should point at `EdgeSlideAfterStepDownFailed`/`CliffSlide`/
-`PrecipiceSlide` instead). **Do not** re-derive `edge_slide`/`cliff_slide`/
-`precipice_slide` from scratch — the existing port is real and largely
-correct; re-porting risks discarding correct, already-tested work (the
-CLAUDE.md worldbuilder-inventory lesson applies here by analogy: don't
-re-port what's already ported and tested).
-
-## 3. #166 — landing sled (Sledding state set/clear)
-
-### Finding: `PhysicsState.Sledding` appears to be DATA-AUTHORED, not an automatic landing response (FACT, cross-referenced across 3 independent repos)
-
-Searched for a SET (`|= SLEDDING_PS`) or automatic-toggle call site for
-`PhysicsState.Sledding` in: the named-retail pseudo-C (no string "sled"
-anywhere in the 1.4M-line file — `grep -in sled` returns zero hits; the
-raw `0x800000` hex literal also returns zero physics-related hits, only
-unrelated Watson/crash-dump flags), `references/ACE/Source/ACE.Server/Physics/PhysicsObj.cs`
-(full file, only 3 hits: the two `calc_friction`/`UpdateObjectInternal`
-READ sites already covered, no WRITE site), and
-`references/ACViewer/ACE/...` (same ACE-derived code, same result).
-
-The only WRITE sites for `PhysicsState.Sledding` anywhere in any
-reference repo are:
-
-```csharp
-// references/ACE/Source/ACE.Server/WorldObjects/WorldObject_Properties.cs:1105-1109
-public bool? Sledding
-{
- get => GetPhysicsState(PhysicsState.Sledding);
- set => SetPhysicsState(PhysicsState.Sledding, value);
-}
-```
-
-— a per-weenie boolean **game-data property** (the same pattern as
-`Ethereal`, `Static`, etc.), packed onto the broadcast `PhysicsState` in
-`WorldObject_Networking.cs:586-588,700-704`. This is server/database-set,
-not a client-side automatic landing-response toggle. Since `CPhysicsObj`
-is shared code between the retail client and server binaries (the same
-class that produced `calc_friction`, `UpdateObjectInternal`, etc. — all
-independently confirmed to structurally match ACE's port), the total
-ABSENCE of a write site anywhere in ACE's ~10,000-line `PhysicsObj.cs`
-is strong evidence that retail's own `CPhysicsObj` **does not
-automatically enter Sledding state on a downhill landing either.**
-
-**INFERENCE (well-supported, not yet cdb/Ghidra-confirmed):** ordinary
-downhill-jump glide-and-bounce in retail is NOT the literal `Sledding`
-physics state at all for an ordinary player. `Sledding` is most likely
-reserved for specific data-authored world content (dungeon/event objects
-with the property baked into their weenie default `PhysicsState`, e.g.
-an actual in-world "sled ride" mechanic) — a narrow, data-driven case
-outside a generic movement port's scope. Grepping WCID/weenie class name
-lists in `references/ACViewer/ACE/.../WeenieClassName.cs` for "sled"
-found no obviously-named sled-ride weenies, but that catalog is not
-exhaustive for retail's original 2013 content and this was not chased
-further (out of scope — data content, not an algorithm).
-
-### Cross-check against ISSUES.md #166's OWN root-cause text (FACT)
-
-`docs/ISSUES.md:4254-4262` (filed 2026-07-03, i.e. BEFORE the P2 campaign
-plan's phrasing) already attributes #166 to a **named composite of three
-rows**, and explicitly does **not** mention a Sledding set/clear
-mechanism:
-
-> "This is the REGISTER-PREDICTED composite of three known deferred
-> deviations: **AD-25** (landing wall-bounce velocity reflection
-> suppressed...), **AP-7** (`calc_friction` threshold 0.0 without
-> retail's 0.25-with-state-gate...), and **TS-4** (Path-6 steep-poly
-> slide-tangent shortcut...). Retiring those three rows IS this issue."
-
-Cross-referencing the digest's #182 rebuild notes
-(`memory/project_physics_collision_digest.md:837-841`, 2026-07-07):
-**AD-25's LOCAL-PLAYER landing-bounce reflection was already ported** in
-the #182 verbatim `UpdateObjectInternal`/`handle_all_collisions` rebuild
-("Contact committed BEFORE the reflect... retire AD-25's micro-bounce
-(AD-25 narrowed to the remote-DR sweep)"). What remains open for AD-25 is
-**remote/NPC-only** and is explicitly P3 scope
-(`docs/plans/2026-07-29-physics-parity-campaign.md` §P3 item 2), not P2.
-
-**#166 verdict:** for the LOCAL PLAYER (the case the user actually
-reported — "jumping down a hill" on their own character), the bounce
-half (AD-25) is already shipped; what's missing is the glide-deceleration
-curve (AP-7, §1 above) and the airborne-steep landing chain (TS-4, §4
-below). Porting AP-7 + TS-4 correctly should retire #166 for the local
-player WITHOUT inventing any client-side Sledding auto-toggle — inventing
-one would be exactly the kind of unargued behavior addition CLAUDE.md's
-no-guessing rule forbids (no decomp evidence supports it). The campaign
-plan's P2 item 3 phrasing ("port the landing sled (Sledding state
-set/clear sites)") appears to rest on an assumption not borne out by this
-research pass.
-
-**Recommendation for the implementer:** do NOT build a Sledding
-auto-set/clear mechanism speculatively. Land AP-7 + TS-4 first, capture a
-fresh downhill-jump-landing trajectory (extend
-`ACDREAM_CAPTURE_RESOLVE`), and check the #166 visual-matrix item (row 5,
-"Downhill jump landing: sled glide + bounce") against that alone. If the
-glide/bounce still visibly mismatches retail after AP-7+TS-4 land, THAT
-capture — not a guess — is what should drive any further Sledding-state
-work, and it should go through cdb against live retail (a downhill jump
-landing, watching `this->state` for the `0x800000` bit) before any client
-auto-toggle is written. Keep the already-present dead
-`PhysicsStateFlags.Sledding` branch in `calc_friction` (§1) since it's
-cheap, decomp-consistent, and harmless if never entered — but do not
-manufacture a caller that sets it.
-
-## 4. TS-4 — Path-6 steep-poly shortcut removal
-
-### The former shortcut (HISTORICAL FACT; removed by Slice 2B)
-
-Before Slice 2B, Path-6 (the default
-`sphere_intersects_poly → collide_with_pt / SetCollide` dispatch) was not
-symmetrically wrong. The parsed-graph primary/foot branch tested the hit
-polygon's world-space normal and, below `PhysicsGlobals.FloorZ`, projected
-the move along the face, wrote both collision and sliding normals, and
-returned `Slid`. Its secondary/head branch had already been corrected by
-#116 to retail's unconditional `CollisionNormal` + `Collided` response. The
-prepared-flat port still applied the steep shortcut to both spheres and sent
-both shallow cases through `SetCollide` + `Adjusted`; its head branch was
-therefore wrong for every slope. This distinction matters: retail does not
-apply one common response to both spheres.
-
-The in-code comment is unusually candid about why: **"This is a
-deliberate deviation from retail... Validated against retail debugger
-trace 2026-04-30: retail body did not wedge; our retail-faithful port DID
-wedge because we're missing implementation details of the step_up_slide /
-cliff_slide chain on grounded-steep movement."** — i.e., this shortcut
-was shipped SAME-DAY as (and BECAUSE) the retail-faithful
-`EdgeSlideAfterStepDownFailed`/`CliffSlide`/`PrecipiceSlide` chain (TS-1,
-§2 above — also dated 2026-04-30, tagged "L.4") still wedged in testing
-when tried without this shortcut.
-
-### Retail: NO steepness branch in either Path-6 sphere response (FACT, `0053a730` region)
-
-Read directly from the named decomp (the `sphere_intersects_poly` /
-`set_collide` dispatch for the primary/foot sphere inside
-`BSPTREE::find_collisions`'s default path):
-
-```
-if (sphere_intersects_poly(...) || eax_26 != 0) {
- localtoglobalvec(sphere_path.localspace_pos, &saved_ebx, &poly->plane.N);
- SPHEREPATH::set_collide(&sphere_path, &saved_ebx);
- sphere_path.walkable_allowance = 0.0871556997f; // = PhysicsGlobals.LandingZ, exact bit match
- return 3; // ADJUSTED_TS
-}
-```
-
-**There is no steepness test in this foot branch.** It calls `set_collide`
-and returns `ADJUSTED_TS` for a steep roof exactly as for a shallow ramp.
-`walkable_allowance` is always set to `LandingZ` (the permissive landing
-threshold), regardless of polygon slope. If the foot is clear but the
-secondary/head sphere hits, retail instead performs the other slope-agnostic
-response:
-
-```
-localtoglobalvec(sphere_path.localspace_pos, &normal, &head_poly->plane.N);
-COLLISIONINFO::set_collision_normal(&collision_info, &normal);
-return 2; // COLLIDED_TS
-```
-
-The head branch neither calls `set_collide` nor returns `ADJUSTED_TS`.
-Neither sphere response has a steepness branch. This directly confirms the P2
-plan's description and the digest's #137-mechanism-2 finding
-(`memory/project_physics_collision_digest.md:1008-1014`): **retail's
-BSP/sphere collision layer never writes `collision_info.sliding_normal`
-at all** — only `validate_transition` (0x0050ac21/0x0050aa70) does, and
-only success-gated. The steepness differentiation (walkable vs.
-merely-in-contact, and whether a slide response is needed) happens
-STRICTLY DOWNSTREAM, in `ValidateTransition`'s `FloorZ` OnWalkable test
-and — when that surface turns out too steep to be walkable —
-`EdgeSlideAfterStepDownFailed` → `CliffSlide`/`PrecipiceSlide` (TS-1's
-domain, §2 above).
-
-### TS-4 port shape (COMPLETED 2026-07-31)
-
-Delete the primary/foot steep shortcut in both representations. Every foot
-hit must call `SetCollide`, set `WalkableAllowance=LandingZ`, and return
-`Adjusted`. Preserve the parsed-graph head branch corrected by #116, and
-replace the prepared-flat head steep/shallow split with the same unconditional
-`SetCollisionNormal` + `Collided` response. No Path-6 branch writes a sliding
-normal. This is the exact retail foot/head split, not a shared fallback to the
-foot behavior.
-
-### Port-order coupling with TS-1 (historical guard, now satisfied)
-
-**This is the single most important sequencing fact in this whole
-document.** The shortcut's comment proves TS-1's retail-faithful chain
-was ALREADY BUILT once (same day, same "L.4" slice) and STILL wedged —
-that is why the shortcut exists instead of the faithful chain. Simply
-deleting the shortcut today, without first confirming TS-1's gaps (§2:
-missing localspace re-cache in the back-probe fallback; the two
-unregistered adaptations) are closed, risks reintroducing the EXACT
-"stuck in falling animation on the roof" / "walks up steep roofs" wedge
-that motivated the shortcut in the first place.
-
-**Recommended order:** (1) close TS-1 gap #1 (the missing
-`walkable_scale`/`cache_localspace_sphere`/`set_walkable_check_pos` step)
-first, on its own, with the TS-4 shortcut still in place as a safety
-net. (2) Capture a grounded-steep-slope trajectory (a roof or steep
-terrain walk, matching whatever repro the 2026-04-30 L.4 session used —
-check `docs/research/` and git log around that date for the specific
-repro if it wasn't captured as a fixture) with the shortcut TEMPORARILY
-disabled behind a flag or in a scratch branch, and confirm no wedge. (3)
-Only once that capture is clean, delete the TS-4 shortcut for real, in
-the same commit that closes the TS-4 register row. (4) Re-run the P2
-final-matrix items 4-6 (cliff/roof edge, downhill landing, shallow wall
-graze) plus a fresh regression sweep before calling TS-4 done — this is
-exactly the kind of change the digest's #137 sagas warn compounds subtly
-(a leaked `SetSlidingNormal` "absorbing wedge at empty space" was the
-recurring failure mode across three separate historical incidents in the
-digest, all triggered by a similar not-quite-faithful shortcut).
-
-## 5. #116 — slide-response family oracle pass
-
-This item is explicitly an **oracle-first investigation**, not a known
-fix (`docs/ISSUES.md:8426` status: "OPEN (narrowed)"; digest
-`memory/project_physics_collision_digest.md:1509`: "OPEN — oracle-first
-investigation; NOT cell-set"). This section defines the SCOPE of the
-oracle pass precisely, per the mission's request, rather than proposing
-a fix — a fix without the live trace below would repeat the exact
-mistake the digest's DO-NOT-RETRY table already warns against (§0 items
-4, 7, 8).
-
-### The two shapes (FACT, restated with citations — both already
-independently verified against source by the 2026-06-12 Ghidra session)
-
-**Shape-1 — tick-22760 lateral-slide loss.** Live retail: blocked
-southward push at a cottage door face, KEPT a tiny lateral slide (X
-−0.0357 m, `collision_normal=(0,+1,0)`, the door face). acdream's harness
-hard-stops both components (`collision_normal=(0,0,1)`, i.e. the
-`UnitZ` ground-fallback default). Ghidra-confirmed
-(`memory/project_physics_collision_digest.md:1259-1275`):
-`TransitionTypes.cs:3701-3702`'s `UnitZ` default on invalid
-collision-normal is **retail-faithful** — retail's `validate_transition`
-(`0x0050aa70`) has the identical `if (collision_normal_valid==0)
-set_collision_normal(UnitZ)`. **The divergence is UPSTREAM of both slide
-and validate**: at tick-22760, acdream's `collision_normal_valid` was
-FALSE where retail's was TRUE (retail HAD recorded the door-face normal).
-The slide guard threshold is exonerated — the 3.57 cm lost slide is
-~18× above the ~1.4 cm degenerate-offset cutoff (`F_EPSILON` = 0.0002,
-compared against SQUARED magnitude — Ghidra-confirmed, see §0 item 8),
-so retail's own guard would have kept the slide too.
-
-**Shape-2 — D4 first-airborne-frame slide vs. hard-stop.** Ghidra
-confirms `CSphere::slide_sphere` (`0x00537440`) applies its slide
-IN-FRAME (`add_offset_to_check_pos` → returns `SLID_TS`) — acdream's
-current in-frame slide to Z=1.92 on frame 1
-(`BSPStepUpTests.D4_AirborneMover_TallWall_PersistsSlidingNormalAcrossFrames`,
-`tests/AcDream.Core.Tests/Physics/BSPStepUpTests.cs:560-602`, currently
-`Skip`-tagged citing #116) is **likely faithful TO `slide_sphere`
-itself**. What's unconfirmed is whether retail's first airborne wall
-contact frame REACHES `slide_sphere` at all, or whether an earlier stage
-(`collide_with_environment`'s dispatch, or the absence of a
-`last_known_contact_plane` on the very first airborne frame) intercepts
-it with a hard stop before `slide_sphere` ever runs. The #116 threshold
-fix (`EpsilonSq` → `F_EPSILON`, shipped `bf18a543`) did **not** move D4 —
-confirming the D4 offset is a real slide, not a near-degenerate one the
-threshold fix would have caught.
-
-### What the P2 oracle pass must determine (mission-specified scope)
-
-1. **Shape-1's real root cause: where does acdream's collision-normal
- RECORDING diverge from retail's at tick-22760?** Not slide_sphere, not
- validate_transition (both exonerated) — the recording path that feeds
- `collision_info.collision_normal_valid`/`.collision_normal` during the
- BSP/environment hit-test itself. The digest's own next-step
- (`memory/project_physics_collision_digest.md:1274-1275`) is unchanged
- by this research pass: **instrument
- `DoorBugTrajectoryReplayTests.Diagnostic_Tick22760_DumpEngineInternals`**
- (`tests/AcDream.Core.Tests/Physics/DoorBugTrajectoryReplayTests.cs:162`)
- to trace exactly where, in the BSP hit-test chain feeding
- `FindObjCollisionsInCell`/`BSPQuery`, the door-face normal
- `(0,+1,0)` gets computed-and-discarded in acdream but retained in
- retail. Candidate governing retail functions (need a fresh, focused
- read — not done this pass, budget): `BSPTREE::find_collisions`
- (the same dispatch region read for TS-4 in §4, pseudo-C ~323700-323830)
- and whatever populates `collision_info.collision_normal`/
- `.contact_plane` on a BLOCKED (not slid, not adjusted) door-face hit
- specifically — this is a DIFFERENT code path than either Path-6's
- `set_collide` (which returns ADJUSTED_TS, not COLLIDED_TS) or
- `slide_sphere` (called only after a walkable/precipice context
- exists). A blocked door push is most likely dispatched through
- `CollideWithPt`/`collide_with_pt` (the `PathClipped` branch already
- visible in Path-6, §4, `BSPQuery.cs:2158-2163`) or a sibling
- `Path-1`-class function not yet read this pass.
-2. **Shape-2's real answer: does retail's FIRST airborne wall-contact
- frame reach `slide_sphere`, or hard-stop upstream?** This needs either
- a Ghidra decompile of the caller chain immediately above
- `slide_sphere` (checking whether a `last_known_contact_plane`
- existence gate exists before the call on frame 1 of an airborne
- trajectory) or a live cdb trace of an actual airborne wall hit in
- retail (per the digest's already-written cdb plan,
- `memory/project_physics_collision_digest.md:8537-8543` /
- ISSUES.md #116). Ghidra MCP is down this pass — **do not guess this
- one; it directly controls which of D4's two competing expectations
- (Z=1.92 in-frame slide vs. Z=2.0 hard-stop-then-slide-frame-2) is
- correct**, and a wrong guess "regresses ALL wall-slide behavior" per
- the digest's own warning (§0 item 8).
-3. **Governing retail functions to anchor the oracle pass (FACT, already
- cited in ISSUES #116 and this document's own reads):**
- `CSphere::slide_sphere` (`0x00537440`, pseudo-C:321403-321532 per
- ISSUES #116's own citation — not re-read this pass, already
- Ghidra-verified for the epsilon fix), `validate_transition`
- (`0x0050aa70`, read indirectly via its `UnitZ` default confirmed in
- §2/§4's cross-references), and the `find_collisions`/environment
- hit-test recording sites this pass identified as the likely Shape-1
- location (`BSPTREE::find_collisions` region, pseudo-C ~323700-323830,
- the same region TS-4 §4 already partially read for the unconditional
- `set_collide` call — a focused re-read of the SIBLING branches in
- that same dispatch, specifically the `PathClipped`/`collide_with_pt`
- arm and whatever arm produces a hard COLLIDED_TS with a recorded
- normal, is the concrete next research step).
-
-### #116 verdict — this is NOT a P2 implementation item, it is a P2
-research item with its own follow-up research session
-
-Given the depth already logged in the digest and ISSUES.md (an entire
-Ghidra session, a threshold fix already shipped, two shapes precisely
-characterized, and an explicit "needs a LIVE cdb session" conclusion
-reached independently by that prior work), **this research pass concurs
-with the existing plan of record**: #116 needs (a) an instrumented
-replay of `DoorBugTrajectoryReplayTests` for shape-1, and (b) either a
-Ghidra decompile of `slide_sphere`'s caller chain or a live cdb trace of
-an airborne wall hit for shape-2, BEFORE any code changes. **Do not**
-patch the degenerate-offset guard, the `UnitZ` default, or `slide_sphere`
-itself speculatively (DO-NOT-RETRY §0 items 4, 7, 8 all apply directly).
-This document does not add new pseudocode for #116 beyond what's already
-recorded, because doing so without the trace would be exactly the kind
-of guess CLAUDE.md's workflow forbids.
-
-## 6. Port order + blast radius
-
-Recommended sequence, reasoning, and required fixtures/captures BEFORE
-each step's behavior change — not a generic "do them in plan order"
-list, because this research pass found real coupling the plan's slice
-ordering doesn't surface.
-
-### Step 1 — TS-1 gap #1 (localspace re-cache in the back-probe fallback), §2
-
-**Do this FIRST, alone.** It's the narrowest, most mechanically certain
-change (a missing setup step before an existing call, not a behavior
-redesign), and per §4's coupling analysis, TS-4's shortcut removal is
-UNSAFE until this lands and is proven not to wedge. Blast radius: only
-the back-probe fallback arm of `EdgeSlideAfterStepDownFailed` — the
-rarest of the four dispatch arms (reached only when neither a contact
-plane nor a walkable polygon survived the step-down probe). Low risk of
-regressing the already-working branch3/branch1/branch2 arms.
-
-**Required before/after:** a targeted unit test exercising the back-probe
-arm specifically (check whether one already exists — this pass didn't
-find one in `BSPStepUpTests.cs`/`DoorBugTrajectoryReplayTests.cs`; if
-absent, write one first per TDD discipline). No connected capture needed
-for this step alone — it's a narrow internal-consistency fix.
-
-### Step 2 — TS-1 gaps #2 and #3 (register audit), §2
-
-Read the raw decomp fresh for `last_known_contact_plane` maintenance
-(what writes it, and whether acdream's equivalent field diverges upstream
-— which would justify gap #2's fallback chain as a real compensating
-adaptation) and for Path-4's airborne-landing `LandingZ` acceptance logic
-(cited but not read this pass — needed to judge gap #3). Either register
-both as AD/AP rows with citations, or remove the acdream-only branches
-and re-verify against the existing CliffSlide/PrecipiceSlide test
-coverage. This step can run in parallel with Step 1 (different files,
-no shared state — a candidate for `superpowers:dispatching-parallel-agents`
-if the implementer wants to split it out).
-
-### Step 3 — capture a steep-slope / roof trajectory with TS-4's shortcut disabled
-
-Before touching `BSPQuery.cs`, build a scratch/flagged path that runs
-Path-6 WITHOUT the steepness branch (i.e., always `SetCollide` +
-`WalkableAllowance=LandingZ` + `Adjusted`, matching retail) and replay
-whatever fixture reproduces the original "stuck in falling animation on
-the roof" / "walks up steep roofs" symptom the 2026-04-30 L.4 session
-used to justify the shortcut. **Find that fixture/repro before writing
-new code** — check `docs/research/2026-04-30-*` and git log around that
-date; if no fixture survives, this step needs a fresh capture via
-`ACDREAM_PROBE_RESOLVE=1` against a known steep-roof landblock. Do not
-skip this step even though Step 1 theoretically closes the gap that
-caused the original wedge — "theoretically closes" is not "proven not
-to wedge," and this exact failure mode (a not-quite-faithful shortcut
-masking a deeper gap) has recurred at least three times in the digest's
-own history (#137 mechanisms 1-3).
-
-### Step 4 — land TS-4 (delete the shortcut) only after Step 3 is clean
-
-Small, mechanical diff once Step 3 validates it's safe (§4's port shape).
-Retire the TS-4 register row in the same commit.
-
-### Step 5 — AP-7, independently sequenced (no coupling to Steps 1-4)
-
-AP-7 touches `PhysicsBody.calc_friction` only — a different file, no
-shared call path with the TS-1/TS-4 edge-response chain (friction runs
-on GROUNDED, already-resolved velocity; TS-1/TS-4 run during the
-collision SWEEP itself, upstream of where friction applies). Can be
-done in parallel with Steps 1-4. **Required before any code change**:
-re-run (or write, if it doesn't already isolate the right thing) a
-regression test capturing (a) graphical/animated local-player grounded
-walk speed (§1's finding: likely unaffected today, but UNVERIFIED —
-confirm before claiming victory), (b) headless/`get_state_velocity`-path
-grounded walk speed (§1's finding: likely STILL exposed to the original
-L.3c hammering mechanism — this is the one that needs the real fix, not
-just the threshold), and (c) a remote/NPC mover sample
-(`RuntimeRemotePhysicsUpdater.cs`/`RemoteMotion.cs` — not audited this
-pass for Velocity-zeroing behavter; check before assuming safety).
-
-### Step 6 — #166 visual check, after Steps 1-5
-
-Per §3's verdict: #166 is very likely closed BY PROXY once AP-7 (Step 5)
-and TS-4 (Step 4) land — no new code needed beyond those two. Verify
-against the P2 visual-matrix item 5 (downhill jump landing) LAST, using
-a fresh `ACDREAM_CAPTURE_RESOLVE` trajectory. Only if it still visibly
-mismatches retail after Steps 1-5 does #166 need further work, and that
-further work should be capture-driven, not a speculative Sledding
-auto-toggle (§3's explicit recommendation).
-
-### Step 7 — #116, separately scoped, own research session
-
-Per §5's verdict, this is not an implementation step at all yet — it
-needs its own instrumented-replay session (shape-1) and a
-Ghidra-availability-gated or live-cdb session (shape-2) before any
-pseudocode can be written. Sequence-independent of Steps 1-6 (different
-root cause layer — collision-normal recording, not response), but
-shares the same `slide_sphere`/`validate_transition` machinery TS-1
-depends on, so land it AFTER Steps 1-4 settle to avoid two people
-touching `TransitionTypes.cs`'s collision-normal plumbing at once.
-
-### Fixtures/tests that must exist BEFORE any behavior change lands (mission requirement, consolidated)
-
-- A back-probe-arm-specific unit test for TS-1 Step 1 (write if absent).
-- The steep-roof/wedge repro fixture for TS-4 Step 3 (locate or
- recapture).
-- AP-7's three-way regression test (graphical/animated, headless
- state-velocity, remote/NPC) for Step 5.
-- A fresh `ACDREAM_CAPTURE_RESOLVE` downhill-landing trajectory for #166
- Step 6.
-- An instrumented `DoorBugTrajectoryReplayTests` capture for #116
- shape-1 (Step 7) — extend the existing
- `Diagnostic_Tick22760_DumpEngineInternals` rather than writing a new
- harness.
-- Existing coverage that must NOT regress: `SphereCollisionFamilyTests`,
- `Issue137CorridorSeamReplayTests`, `Issue137SlidingNormalLifecycleTests`,
- `WindowOpening_HeadCannotFit_EntryBlocked`, and the full
- `BSPStepUpTests`/`DoorBugTrajectoryReplayTests` suites (D4 stays
- `Skip`-tagged until #116 shape-2 is actually resolved by evidence, not
- by this campaign's other changes incidentally shifting its numbers).
-
-## 7. Open questions needing Ghidra/cdb (not guessed here)
-
-Consolidated from all five sections above, each tagged with which item
-it blocks.
-
-1. **[AP-7]** Is the BN-rendered "two duplicated branches" in
- `calc_friction` (pseudo-C:276694-276822) a genuine BN decompiler
- artifact (single retail `if (state & SLEDDING_PS)` block misrendered),
- or does retail's actual source have two structurally separate paths?
- A live Ghidra decompile of `0050ee70` settles it. Low implementation
- risk either way (ACE's single-linear-function reading is adopted
- regardless), but affects how confidently the port shape can be
- described as "verified" vs. "ACE-derived."
-2. **[AP-7]** The `p_5`/`p_1` polarity (does the friction-apply branch
- trigger on `dot < 0.25` or `dot >= 0.25`?) and the `p_2`/`p_3`/`p_4`
- velocity-magnitude-band/slope-flatness polarities are all
- `test ah,0x5`-class x87 flag tests, none independently Ghidra-verified
- this pass. ACE's clean reading is adopted as ACE-derived; a Ghidra
- decompile of `0050ee70` (same function as item 1) would settle all of
- these at once.
-3. **[AP-7]** The `cos(10°)` (raw decomp) vs. `0.99999536f` (ACE)
- discrepancy in the Sledding slope-flatness test — genuinely different
- physical behaviors, not a rounding difference. Needs a Ghidra
- decompile of `0050ee70` checking whether the FCOS opcode is real or a
- BN misread of a raw float constant load. Currently unresolved; §1
- provisionally recommends ACE's `0.99999536f` (least churn from
- acdream's existing dead code) but flags this explicitly as
- unconfirmed.
-4. **[TS-1 gap #1]** `SPHEREPATH::get_walkable_pos`,
- `cache_localspace_sphere`, and `set_walkable_check_pos` were located
- (symbol exists, called at pseudo-C:274318-274326) but NOT read this
- pass (effort budget). A fresh grep-and-read of these three functions
- is needed before porting Step 1 — this is a same-tool (grep-named)
- follow-up, not a Ghidra/cdb blocker; flagged here only so it isn't
- lost.
-5. **[TS-1 gaps #2, #3]** Whether `last_known_contact_plane` maintenance
- and Path-4's `LandingZ` acceptance logic genuinely diverge from
- retail (justifying acdream's CliffSlide fallback chain and the
- walkable-steepness reroute as real compensating adaptations) or
- whether they're unnecessary inventions. Needs a fresh, focused
- named-decomp read (not Ghidra/cdb-gated — just not done this pass).
-6. **[TS-4 / Step 3] ANSWERED 2026-07-30 (implementation session) — NOT
- sufficient; the wedge reproduces, and its mechanism is now precisely
- characterized.** TS-1's gap #1 fix (this document's §2, landed the same
- session) does NOT unblock TS-4. A dat-free multi-frame capture
- (`tests/AcDream.Core.Tests/Physics/Ts4SteepRoofWedgeCaptureTests.cs`,
- using `BSPStepUpFixtures.SlopedUnwalkable`'s 63.4° slope,
- `PhysicsEngine.ResolveWithTransition` replayed at 30 Hz with gravity
- integrated between resolves — the same replay idiom as
- `Issue185OutdoorStairsSeamReplayTests`) reproduces the EXACT historical
- shape with the Path-6 steep shortcut temporarily removed (both
- `BSPQuery.cs` sphere0/sphere1 branches): the body falls cleanly (30
- ticks, position advancing every tick), lands at
- `(0.500, 0.000, 1.247)` at tick 17 with `InContact=true, OnWalkable=false`
- (confirming the steep polygon WAS accepted via the permissive
- `CTransition::check_walkable(0.0871556997f)` / `LandingZ` gate exactly
- as predicted from the retail source read below), then **freezes at that
- exact position for the remaining 16+ ticks with zero movement** — the
- test's own wedge-detection threshold (>15 consecutive frozen ticks =
- >0.5s) trips at tick 33. With the shortcut restored, the same test is
- green (the shortcut's explicit `AddOffsetToCheckPos` keeps the body
- moving every tick by construction). **The shortcut stays; TS-4 is NOT
- retired this session.**
-
- **Root-cause diagnosis (`ACDREAM_DUMP_EDGE_SLIDE=1` capture against the
- scratch shortcut-removed build):** the freeze is NOT inside
- `EdgeSlideAfterStepDownFailed`/`CliffSlide` at all — none of that
- dispatch's diagnostic lines (`DumpEdgeSlideBranch`,
- `DumpStepDownBranchGate`, the `[steep-roof] PHASE3-RESET*` lines) fire
- even once during the frozen ticks. Every frozen tick instead logs only
- `edge-slide: phase2 attempt=0 env=OK obj=Adjusted` followed by
- `attempt=1 env=OK obj=Adjusted` — i.e. `TransitionalInsert`'s Phase 2
- object-collision check (`FindObjCollisionsInCell`, `TransitionTypes.cs:1572`)
- returns `Adjusted` on BOTH retry attempts, and per
- `TransitionTypes.cs:1591-1596` an `Adjusted` `objState` unconditionally
- `continue`s (retries Phase 1/2 from the top) rather than falling through
- toward Phase 2.5/Phase 3. **Phase 3 — the `if (sp.Collide) { ... }`
- block at `TransitionTypes.cs:1625` that contains the `DoCheckWalkable`
- Placement re-test AND (on walkable failure) the reset-with-conditional-
- `kill_velocity` path — is gated on Phase 1 AND Phase 2 BOTH returning
- `OK` simultaneously (`TransitionTypes.cs:1568-1621`). Path 6's own
- unconditional `SetCollide` (the retail-faithful code path TS-4 would
- restore) returns `Adjusted`, not `OK` (matching retail's own
- `return 3; // ADJUSTED_TS` at pc:323783, quoted in §4 above) AND does
- NOT itself reposition the sphere** — unlike the interim shortcut, which
- explicitly calls `AddOffsetToCheckPos` to push the sphere off the face
- every time it fires. With no repositioning, the SAME steep polygon at
- the SAME distance re-triggers Path 6 on the immediate retry, which
- again returns `Adjusted`, forever — an Adjusted↔retry oscillation at a
- fixed point that the loop's 2-attempt-per-resolve budget silently
- absorbs (returning the frozen position as though the resolve
- succeeded), repeating identically on every subsequent tick's fresh
- resolve call. **Phase 3 (and therefore `DoCheckWalkable`,
- `CliffSlide`, and the TS-1 chain entirely) is structurally unreachable
- from this state** — TS-1's completeness is moot here because the code
- path that would call into it never runs.
-
- **What this means for a future attempt:** the missing piece is NOT
- (only) in `EdgeSlideAfterStepDownFailed`/`CliffSlide` — it is in how
- `TransitionalInsert`'s Phase 1/2/2.5/3 dispatch (`TransitionTypes.cs
- :1568-1710`) distinguishes "Phase 2 found a NEW collision, retry from
- the top" from "Phase 2 registered a touch via `sp.Collide` and should
- fall through toward Phase 3 regardless of its own `Adjusted` return."
- Retail's own `transitional_insert` (pc:273137, `0050b6f0`) has NOT been
- read closely enough this pass to say definitively whether it treats a
- Path-6-sourced `ADJUSTED_TS` differently from an ordinary Adjusted
- result before this session's `continue`-on-Adjusted structure was
- written — that fresh, close read (specifically: does retail's loop
- check `sphere_path.collide` on EVERY iteration regardless of the
- latest Phase-2 return value, or only when Phase 2 returns OK?) is the
- concrete next step, not a second speculative code change. Do not retry
- the plain shortcut-deletion variant without that read; do not invent a
- third variant (e.g. teaching Path 6 to reposition the sphere itself)
- without confirming that's what retail actually does — that would be
- exactly the kind of guess CLAUDE.md's workflow forbids twice in a row
- on the same item.
-7. **[#116 shape-1]** Where exactly, in the BSP/environment hit-test
- dispatch (candidate: `BSPTREE::find_collisions`'s `PathClipped`/
- `collide_with_pt` arm, pseudo-C ~323700-323830, sibling to the
- `set_collide` arm read for TS-4), does acdream fail to record the
- door-face collision normal that retail records at tick-22760? Needs
- an instrumented replay (§5 Step 7), not Ghidra/cdb per se, but the
- candidate function itself would benefit from a clean Ghidra
- decompile alongside the BN pseudo-C already read.
-8. **[#116 shape-2]** Does retail's first airborne wall-contact frame
- reach `CSphere::slide_sphere` (→ in-frame slide, Z=1.92-style), or
- hard-stop upstream via some `last_known_contact_plane`-existence gate
- (→ Z=2.0-style, sliding deferred to frame 2)? This is the one item in
- this whole document that the digest, ISSUES.md, AND this research
- pass all independently converge on: **it needs a live cdb trace of
- retail landing an airborne wall hit** (toolchain: `docs/architecture`
- references the CLAUDE.md "Retail debugger toolchain" section; the
- digest already has a scoped cdb script sketch at
- `memory/project_physics_collision_digest.md:8537-8543`). A wrong
- guess here, per the digest's own words, "regresses ALL wall-slide
- behavior."
-
----
-
-## 8. Campaign P Slice 1B closeout — exact response ordering (2026-07-31)
-
-The follow-up read used the complete named-retail bodies, not the earlier
-excerpt summaries:
-
-- `CTransition::transitional_insert` at `0x0050B6F0`
- (pseudo-C:273137 onward) returns `OK_TS` as soon as
- `contact_plane_valid != 0`. Only an invalid contact reaches the ordinary
- StepDown tail, whose remaining gates are Contact,
- `!sphere_path.step_down`, a non-null check cell, and ObjectInfo.StepDown.
-- Its StepDown schedule is asymmetric by authored sphere count. For a
- one-sphere mover whose requested height exceeds the foot diameter, retail
- clamps the probe to half the foot radius and performs one probe. Otherwise
- a request within the diameter probes once; an over-diameter request on a
- two-sphere mover is halved and probes twice in sequence.
-- `CTransition::edge_slide` at `0x0050B3D0`
- (pseudo-C:273001-273090) runs `!OnWalkable || !EdgeSlide` restore-and-OK
- before its steep-contact CliffSlide branch. Any stored walkable polygon
- routes to PrecipiceSlide without a steepness test.
-- `CTransition::cliff_slide` at `0x0050A6D0`
- (pseudo-C:272397 onward) crosses the supplied contact normal only with
- `collision_info.last_known_contact_plane.N`. It has no remembered-walkable
- or world-up substitute. A default, invalid, parallel, or otherwise
- degenerate cross naturally returns `OK_TS` through the retail normalization
- guard.
-
-`TransitionTypes.cs` now follows that order exactly. AP-3, AP-4, AD-53, and
-AD-54 are retired together. Slice 1B deliberately left the ordinary-tail
-`runPlacement: false` choice for the following AP-5-specific slice and did not
-alter TS-4's Path-6 steep-polygon shortcut. Slice 2A below closes AP-5.
-
-`RetailEdgeResponseOrderingTests` pins every distinguishing branch: valid
-steep-contact early return, the one/two-sphere probe schedule,
-not-OnWalkable-before-CliffSlide, last-known-only source selection, degenerate
-last-known handling, and stored-steep-walkable-to-Precipice routing. It also
-runs multi-frame steep-roof and flat-roof-edge controls through both parsed
-graph and prepared-flat collision traversal, requires exact trace parity, and
-rejects a greater-than-15-tick frozen streak. The earlier dedicated
-`Ts4SteepRoofWedgeCaptureTests` remains green, so retiring these four
-compensations did not require weakening or deleting the TS-4 control.
-
-### Corrective review: edge_slide has two outputs
-
-The first Slice 1B commit collapsed `CTransition::edge_slide`'s function
-return into its out `TransitionState`. That loses a material retail case:
-the steep-contact branch writes the result of `cliff_slide` to the out state
-but returns false independently. A degenerate/parallel CliffSlide therefore
-writes `OK_TS` **and still tells `transitional_insert` to continue its outer
-retry**. Branch 1 and the contact-without-remembered-walkable branch stop with
-`OK_TS`; a `COLLIDED_TS` Precipice result stops; `SLID_TS` and `ADJUSTED_TS`
-retain their ordinary retry handling.
-
-The corrective implementation preserves this exact bool-plus-out-state seam.
-Its end-to-end test drives an invalid-contact StepDown probe into a steep,
-parallel-last-known CliffSlide, then proves a second outer object pass occurs
-before success. The roof controls were also hardened: the flat-roof fixture
-must first land and publish its persistent contact/walkable chronology, fails
-its control arm when the roof is removed, and proves outward-X rejection plus
-continued edge tangency. The steep-roof fixture now rejects non-finite or
-oversized frame steps and signed-plane penetration until polygon exit. Parsed
-graph and prepared-flat runs compare every `ResolveResult` field and every
-persistent `PhysicsBody` field by raw float/double bits, including the ordered
-walkable vertex payload.
-
-## 9. Campaign P Slice 2A closeout — mandatory StepDown placement (2026-07-31)
-
-The complete `CTransition::step_down` body at `0x0050B2A0`
-(pseudo-C:272946–272998) has no caller-controlled validation choice. It resets
-`walk_interp` to 1, performs the transitional downward/support probe, applies
-the `EdgeSlide && !StepUp` walkable-support gate, and then always:
-
-1. saves `sphere_path.insert_type`;
-2. installs `PLACEMENT_INSERT`;
-3. calls `CTransition::transitional_insert(this, 1)`;
-4. restores the saved insert type; and
-5. returns true only for `OK_TS`.
-
-The `walk_interp = 1` assignment occurs once at `step_down` entry. Retail does
-not reset it again before the final Placement insertion: that insertion sees
-and carries the exact interpolation value left by the support probe. Likewise,
-`CTransition::check_walkable` (`0x0050AFF0`, pseudo-C:272811–272856) saves its
-temporary `check_pos` and cell in stack locals. It does not overwrite
-`SPHEREPATH::backup_check_pos`/`backup_cell`, because the enclosing edge-slide
-still needs that outer failed candidate after the nested support probe.
-
-This is the same tail for normal grounded contact maintenance, the
-`edge_slide` current-position back-probe, and StepUp. The former acdream
-`runPlacement: false` argument on the first two callers was therefore a real
-behavioral divergence, not a caller-specific retail mode.
-
-The historical justification for the bypass was a wall-slide candidate that
-Placement rejected. The correct boundary is the Placement dispatcher, not
-StepDown. Retail's BSP, sphere, and cylinder Placement branches are pure
-occupancy tests and shave `PhysicsGlobals.EPSILON` from their effective reach.
-The current graph and prepared-flat dispatchers already implement that rule:
-an exactly tangent sphere remains valid while penetration beyond the retail
-epsilon is rejected. With the response-order fixes from §8 in place, restoring
-the mandatory placement tail does not reproduce the old wall stall.
-
-`RetailStepDownPlacementTests` pins the mechanism end to end for one- and
-two-sphere movers, including raw-bit `walk_interp` carry, nested
-`check_walkable` backup preservation, ordinary contact maintenance, StepUp,
-and a supported candidate that overlaps only during final Placement. It also
-compares graph and prepared-flat Placement at exact wall tangency and
-beyond-epsilon overlap. The full-engine floor-plus-wall replay drives ten
-grounded maintenance frames for both sphere counts, requires one Placement for
-every successful support maintenance, proves no freeze or penetration plus
-tangential progress, and compares complete `ResolveResult` and persistent
-`PhysicsBody` state by raw bits between parsed-graph and prepared-flat paths.
-The #273, #271, #185, StepUp, transition-retry, and TS-4 controls remain
-unchanged. AP-5 is retired; TS-4 is intentionally untouched.
-
----
-
-## 10. Campaign P Slice 2B closeout — TS-4 retired (2026-07-31)
-
-A fresh read of `BSPTREE::find_collisions` (`0x0053A440`) confirms the exact
-Path-6 split. A primary/foot-sphere polygon hit transforms the polygon normal,
-calls `SPHEREPATH::set_collide`, writes `LandingZ`, and returns `ADJUSTED_TS`
-(`0x0053A7B3..0x0053A7DC`) regardless of steepness. Only when that sphere is
-clear does a secondary/head-sphere hit write `collision_normal` and return
-`COLLIDED_TS` (`0x0053A793..0x0053A7A4`). Neither branch writes
-`sliding_normal`.
-
-Both parsed-graph and prepared-flat Path-6 implementations now follow that
-split exactly. The steepness branches, in-place tangent projection, and BSP-
-layer `SetSlidingNormal` writes are deleted. Exact site tests compare the two
-representations by raw bits and pin every mutated and preserved field:
-
-- foot: `SetCollide`, candidate backup, transformed `StepUpNormal`,
- `WalkInterp=1`, `WalkableAllowance=LandingZ`, `Adjusted`;
-- head: `CollisionNormal`, `Collided`, with no `SetCollide` state mutation;
-- both: a pre-existing sliding normal is preserved byte-for-byte.
-
-The failed first removal was a test-harness lesson, not a retail exception.
-Its gravity-only replay always passed `isOnGround:false`, manually zeroed
-vertical velocity, and only copied part of the accepted contact state, so it
-could not reproduce the live caller's next-frame chronology. The replacement
-`Ts4ProductionQuantumConformanceTests` replay executes each already-airborne,
-zero-root-motion 30 Hz Core collision quantum in the production order:
-`calc_acceleration`, `UpdatePhysicsInternal`,
-`ResolveWithTransition`, exact body/cell commit, then
-`PhysicsObjUpdate.CommitSetPositionTransition` (the Core owner of retail's
-Contact/OnWalkable replacement plus `handle_all_collisions`). It carries the
-same body, cell, contact plane, walkable plane, sliding state, stationary-fall
-counter, cached velocity, and transient flags for all 90 ticks. PositionManager
-root composition, animation hooks, movement callbacks, and fresh-airborne
-`LeaveGround`/`HitGround` edges are deliberately outside this already-airborne
-dat-free fixture; it does not claim to replay those presentation/motion stages.
-
-Parsed graph and prepared flat match by raw result/body bits for vertical,
-inward, tangential, and downhill roof motion plus a genuine positive-Z uphill
-jump. The foot-contact jump's apex precedes roof contact and every later
-candidate velocity remains non-positive in Z. A separate elevated head-only
-collision reaches the wall while Z velocity is still positive and pins the
-valid-normal, inward-dot retail 5%-elastic reflection without adding vertical
-velocity. Every direction rejects a half-second fixed point and signed-plane
-penetration, while exact terminal velocity, Contact/OnWalkable/Sliding bits,
-sliding normal, and contact plane are fixed by raw float bits. The older
-resolver-only wedge capture remains a deliberately weaker historical control
-and is restored to its original three-second bound. The former #116 D4
-control remains active: its primary-sphere hit hard-stops frame one through
-SetCollide, then the accepted persistent normal permits the downward slide on
-frame two.
-
-The complete historical #273/#271/#269/#265/#185/#137/#116/cellar/roof
-matrix and the full Core Release suite pass without a replacement
-compensation. TS-4 is retired.
-
----
diff --git a/docs/research/2026-07-30-stat-coupled-movement-pseudocode.md b/docs/research/2026-07-30-stat-coupled-movement-pseudocode.md
deleted file mode 100644
index 8493e940..00000000
--- a/docs/research/2026-07-30-stat-coupled-movement-pseudocode.md
+++ /dev/null
@@ -1,453 +0,0 @@
-# Campaign P — P1 stat-coupled movement: pseudocode + retail chain
-
-Filed 2026-07-30 ahead of the P1 implementation (burden/stamina/vitae feeding
-run rate, jump height, jump permission, jump stamina cost). All addresses are
-from `docs/research/named-retail/acclient_2013_pseudo_c.txt` (Sept 2013 EoR
-build) unless marked ACE-cross-reference. Ghidra MCP was unavailable for this
-slice (operator note); ACE (`references/ACE/Source/ACE.Server/Physics/`) is
-the tiebreaker wherever BN's x87 mush drops a branch, called out explicitly
-below.
-
-## 1. The call chain (top to bottom)
-
-```
-CMotionInterp (our MotionInterpreter.cs, unchanged this slice)
- jump_is_allowed / ChargeJump / JumpChargeIsAllowed
- -> WeenieObj.CanJump(extent) [IWeenieObject +0x3C]
- -> WeenieObj.JumpStaminaCost(extent, out cost) [IWeenieObject +0x44]
- GetJumpVZ -> WeenieObj.InqJumpVelocity(extent, out vz) [+0x30]
- apply_run_to_command -> WeenieObj.InqRunRate(out rate) [+0x34]
-
-ACCWeenieObject (thin delegation, pc 406512+)
- CanJump/JumpStaminaCost/InqRunRate/InqJumpVelocity/InqMaxRunRate all
- gate on IsThePlayer() first (0058c400/40/520/560/5a0) — NPCs/monsters/
- remote players never reach m_pQualities for these queries. Confirms P1
- is scoped correctly to PlayerWeenie only; RemoteWeenie is untouched.
-
-CACQualities (the "qualities DB" == our PlayerWeenie, pc 412901-414050)
- InqLoad 0x0058f130 (pc 409756) — burden/load ratio
- CanJump 0x00591b50 — burden hard-gate
- JumpStaminaCost 0x00591b90 — stamina cost + PK flag
- InqRunRate 0x00592800 — full skill+vitae chain
- InqJumpVelocity 0x00592980 — mirrors InqRunRate for Jump
-
-MovementSystem (pure formulas, pc 695958+)
- GetRunRate 0x006b0950
- GetJumpHeight 0x006b09b0
- JumpStaminaCost 0x006b0a40
-
-EncumbranceSystem (pure formulas, pc 256393+)
- EncumbranceCapacity 0x004fcc00
- Load 0x004fcc40
- LoadMod 0x004fcc70
-```
-
-## 2. InqLoad (0x0058f130, pc 409756) — FULLY READABLE
-
-```c
-InqLoad(this, &loadOut):
- strength = InqAttribute(this, ATTRIBUTE_STRENGTH=1) // default 0xa if absent
- aug = InqInt(this, PROPERTY_INT_AUGMENTATION_INCREASED_CARRYING_CAPACITY=0xE6 /*230*/)
- capacity = EncumbranceSystem::EncumbranceCapacity(strength, aug)
- burden = InqInt(this, PROPERTY_INT_ENCUMBRANCE_VAL=5) // default 0 if absent
- *loadOut = EncumbranceSystem::Load(capacity, burden)
- return 1 // always succeeds for CACQualities (has vtable)
-```
-
-The property/capacity shape matches acdream's
-`IndicatorBarController.UpdateBurden()` /
-`InventoryController.RefreshBurden()` pattern (Strength attribute + prop 0xE6
-aug + prop 5 EncumbranceVal, falling back to `SumCarriedBurden` when the wire
-value is absent). A 2026-07-31 connected gate exposed one omitted retail
-detail: `InqAttribute` returns the enchantment-adjusted attribute, while all
-three acdream burden consumers still read raw `AttributeValue.Current`.
-Issue #272 corrects them to `LocalPlayerState.GetEffectiveAttribute(Strength)`
-and invalidates burden on the canonical `Spellbook.EnchantmentsChanged` edge.
-**`AcDream.Core.Items.BurdenMath`
-(`EncumbranceCapacity`/`LoadRatio`/`LoadModifier`) is the SAME formulas at
-the SAME addresses.** P1's `EncumbranceSystem` (Physics-namespaced, for
-citation clarity next to `MovementSystem`) delegates to `BurdenMath` rather
-than re-deriving — one source of truth, no drift between the burden HUD and
-movement physics.
-
-## 3. CanJump (0x00591b50, pc 412907) — X87 MUSH, POLARITY RESOLVED BY PLAUSIBILITY
-
-```c
-CanJump(this, extent):
- load = 0
- if (InqLoad(this, &load) != 0):
- p = // "load < 2.0" per BN's own
- // asserted C0 subexpression
- if (!p) return 1
- return 0
-```
-
-Literal BN reading: `if (!p) return 1` = "if load is NOT < 2.0 (i.e. >= 2.0),
-return CAN-jump; otherwise CANNOT". That is backwards from every other
-retail-movement fact we have (LoadMod's own floor sits at 2.0; the campaign's
-connected-matrix acceptance is "≥200% barely moves/jumps", not "can only jump
-when overloaded"). This is the documented BN "bitfield mush" artifact class
-(`feedback_bn_decomp_field_names.md`) — the flag-synthesis is unreliable for
-the FOLLOWING `test ah,mask` interpretation even when the preceding
-subexpression is trustworthy.
-
-**Resolution (register row UN-8, see §6):** `CanJump` returns `load < 2.0`
-(can jump under 200% burden; refused at/above it) — the polarity a normal
-AC player's lived experience requires, and the one that makes CanJump's own
-threshold coincide with `LoadMod`'s floor. ACE gives no tiebreaker
-(`WeenieObject.CanJump` is an unconditional `return true` stub — never
-ported burden gating at all). Ghidra MCP was down for this slice; flagged
-for a future confirmation pass, not blocking this port.
-
-## 4. JumpStaminaCost (0x00591b90, pc 412949) — FULLY READABLE
-
-```c
-CACQualities::JumpStaminaCost(this, extent, &costOut):
- load = 0
- if (InqLoad(this, &load) == 0) return 0
- pk = 0
- pkStatus = InqInt(this, PROPERTY_INT_PLAYER_KILLER_STATUS=0x86, default=8)
- if (pkStatus == 4 || pkStatus == 0x40): // PK / PKLite
- pkTimestamp = InqFloat(this, PROPERTY_FLOAT_LAST_PK_ATTACK_TIMESTAMP=0x91)
- if (pkTimestamp is present && !(pkTimestamp + 20.0 < Timer::cur_time)):
- pk = 1 // PK timer active (<20s since last PK act)
- *costOut = MovementSystem::JumpStaminaCost(extent, load, pk)
- return 1 // ALWAYS true once InqLoad succeeds — no affordability
- // check lives in this function.
-```
-
-**Key finding:** retail's `CanQualities::JumpStaminaCost` NEVER returns false
-(except when `InqLoad` itself fails, which doesn't happen for a real player).
-`jump_is_allowed`'s `if (!WeenieObj.JumpStaminaCost(...)) return 0x47` branch
-(the "refusal" path our own `MotionInterpreter.cs` already ports verbatim,
-W0-pins.md A2) is real retail *machinery*, but `CACQualities` never actually
-exercises the refusing side of it. **"Refused jump" does not happen via this
-mechanism in retail — only "weak jump" (see §5).** P1 ports
-`JumpStaminaCost` to always return `true` with the REAL computed cost
-(retiring the TS-5 zero-cost stub), matching this decomp exactly.
-
-The `pk` flag is `PlayerKillerStatus`/`LastPkAttackTimestamp` — TS-23's
-exact scope (P3, not P1). P1 hardcodes `pk: false` at the one new call site
-(`PlayerWeenie.JumpStaminaCost`) and documents the dependency against TS-23
-rather than re-implementing PK parsing here.
-
-## 5. InqRunRate (0x00592800, pc 413824) / InqJumpVelocity (0x00592980, pc 413902) — FULLY READABLE
-
-Both functions share one shape (Run uses skill id 0x18=24, Jump uses 0x16=22):
-
-```c
-InqRunRate(this, &rateOut):
- load = 1.0
- if (InqLoad(this, &load) == 0) return 0
-
- currentStamina = 0
- if (AttributeCache::InqAttribute2nd(attribCache, ATTR2ND_STAMINA=4, ¤tStamina) == 0)
- return 0
- EnchantAttribute2nd(this, 4, ¤tStamina) // vital-buff adjusts the LOCAL COPY only
- // (not the wire "current stamina" state)
-
- skill = InqSkillBaseLevel(this, SKILL_RUN=0x18) // formula-bonus + init + ranks
- skill += max(PropertyInt 0x16D, 0) // LumAugAllSkills
- skill += matching category augmentation ? 10 : 0 // 0x12C melee / 0x12D missile /
- // 0x12E magic; exact skill-id switch
- EnchantSkill(this, 0x18, &skill) // vitae * skill-enchantments, floor@0.5, truncate
- if (PropertyInt 0x146 > 0) skill += 5 // Jack of All Trades
- if (skill is specialized) skill += 2 * max(PropertyInt 0x158, 0)
-
- if (currentStamina == 0) skill = 0 // THE stamina-gates-movement mechanism
-
- *rateOut = MovementSystem::GetRunRate(load, skill, 1.0)
- return 1
-```
-
-`InqJumpVelocity` is identical but for skill id 0x16=22, and finishes with
-`sqrt(MovementSystem::GetJumpHeight(load, skill, extent, 1.0) * 19.6)` (pc
-413975, matching `GetJumpVZ`'s existing sqrt call already in
-`MotionInterpreter.cs`/`PlayerWeenie.cs` — unchanged).
-
-**Answering the plan's question — "which skill level does retail feed?"**
-Neither raw base nor a separately-cached value: retail re-derives, on every
-query, `EnchantSkill(baseSkill)` where `EnchantSkill` (`CEnchantmentRegistry::
-EnchantSkill` 0x005947b0, pc 416240, FULLY READABLE) is:
-
-```c
-EnchantSkill(registry, skillId, &valueInOut):
- value = *valueInOut // base skill (formulaBonus+init+ranks)
- if (registry._vitae != null):
- value = Enchant(registry._vitae, value) // vitae multiplier FIRST
- matching = CullEnchantmentsFromList(mult_list, category=SKILL=0x10, skillId)
- ++ CullEnchantmentsFromList(add_list, category=SKILL=0x10, skillId)
- for each e in matching: value = Enchant(e, value) // per-record mult OR add
- if (value < 0.5) value = 0 // floor
- *valueInOut = (int)value // truncate (ftol2)
- return ...
-```
-
-`CEnchantmentRegistry::EnchantAttribute2nd` (0x00594670, pc 416169, the
-vitals path our `EnchantmentMath.GetMod` already ports for
-`LocalPlayerState.GetMaxApprox`) applies `_vitae` in the **identical**
-position (first, before the mult/add lists) — confirming our existing vitae
-representation (`ActiveEnchantmentRecord.Bucket == 4`, a StatModType `Vitae`
-flag `0x00800000` classified in `GameEventWiring.ClassifyLiveEnchantmentBucket`)
-is the right vehicle: **P1 reuses it unmodified**, adding a sibling
-`EnchantmentMath.GetSkillMod` (filtered by `StatModType & Skill(0x10) != 0`
-instead of the vitals' implicit attribute2nd filter) rather than inventing a
-new vitae channel. This satisfies "vitae/enchant-adjusted effective run/jump
-skill... reading vitae + relevant skill enchantments from the M3
-active-effect state" without a general effective-skill engine — the only new
-code is the type-flag filter and the skill-id key.
-
-**2026-07-31 #268 closeout:** the previously bounded augmentation terms are
-now ported in shared `PlayerSkillMath`, after a complete read of
-`CACQualities::InqSkill @ 0x00592660`. The exact order matters:
-
-1. intrinsic formula/init/ranks;
-2. positive property 0x16D plus the exact category +10 switch;
-3. `EnchantSkill`;
-4. property 0x146 contributes +5 when positive;
-5. specialized skills receive `2 × max(property 0x158, 0)`.
-
-The character panel and Runtime movement both consume this one Core
-calculation. AP-127 is retired. The apparent current-stamina-copy residual
-does not create an independently reachable effect for ordinary stat
-enchantments: current and maximum stamina use distinct secondary-attribute
-keys, and a max-stamina enchantment cannot turn zero current stamina nonzero.
-
-## 6. GetRunRate / GetJumpHeight / JumpStaminaCost formula bodies (MovementSystem, pc 695958+)
-
-`GetRunRate` (0x006b0950) and the `arg3!=0` (PK) branch of `JumpStaminaCost`
-(0x006b0a40) have their GENERAL-CASE arithmetic entirely dropped by BN (only
-the `EncumbranceSystem::LoadMod`/`800`-skill-compare calls and the `arg3==0`
-ceil expression survive uncollapsed — the same information-loss class as the
-x87 mush, just total rather than partial). **ACE is the cross-reference
-tiebreaker for those two spots** (`references/ACE/Source/ACE.Server/Physics/
-Animation/MovementSystem.cs`), matching this exact acdream port's ORIGINAL
-citation style (`PlayerWeenie.cs`'s pre-P1 doc comments already said
-"decompiled + ACE MovementSystem" for these two formulas — nothing new here,
-just now with a named-decomp address alongside):
-
-- `GetRunRate(load, skill, scaling) = skill==800 ? 18/4 : ((LoadMod(load) * (skill/(skill+200)*11) + 4) / scaling) / 4` —
- **§12c correction (#266, 2026-07-30): the 800 branch is EXACT EQUALITY,
- not `>=`.** Raw byte decode of 0x006b0950 (PDB-paired binary):
- `fild skill; fcom [0x00803b94 = 800f]; fnstsw ax; test ah, 0x44; jp
- 0x6b097f` — the C2/C3 parity idiom in which `jp` (general path) fires
- for `<`, `>`, AND unordered; the `fld [18f]; fdiv [4f]; ret` fall-through
- executes only when C3=1/C2=0, i.e. skill == 800 exactly. The general
- path decodes instruction-by-instruction to
- `(LoadMod(load) * (skill/(skill+200)*11) + 4) / scaling / 4`
- (constants 200f @0x00803b8c, 11f @0x00803b88, 4f @0x007c6174, /scaling
- from `[esp+0xc]`, final /4f @0x00803b80). **ACE's `>= 800` "max run
- speed?" reading is a misread of the same mush and must not be used as a
- tiebreaker here** — it flat-lined every maxed character at 4.5 (retail
- general formula gives ~3.70) and erased the vitae speed differential
- (#266: 33%-vitae +Acdream visibly outran 5%-vitae +Je in acdream while
- retail runs them within ~0.4%). `InqMaxRunRate`'s skill=9999 probe gets
- the general formula (~3.6961), not 4.5. The true retail signature
- carries a 3rd `scaling` arg (confirmed by the decomp's own function
- signature), and every known call site (`InqMaxRunRate`, `InqRunRate`)
- passes `1f`.
-- `GetJumpHeight(load, skill, extent, scaling)` — BN's extent-clamp
- micro-branch (pc 006b09b0-006b09ca) is the SAME x87-mush pattern as §3;
- ACE's `Math.Clamp(extent, 0, 1)` is the tiebreaker (matches the EXISTING
- acdream code, which already does this — unchanged).
- `= LoadMod(load) * (skill/(skill+1300)*22.2 + 0.05) * clampedExtent / scaling`,
- floored at 0.35 — matches acdream's pre-existing formula exactly.
-- `JumpStaminaCost(power, load, pk)`:
- - `pk==0`: `ceil((load + 0.5) * power * 8 + 2)` — **the campaign plan's
- own shorthand ("ceil((power+0.5)*load*8+2)") has the `+0.5` term on the
- wrong operand; the verbatim decomp (fully readable, no mush) is
- `(load + 0.5) * power`, confirmed against ACE's identical
- `(burden + 0.5f) * power`.**
- - `pk!=0`: BN drops the body entirely (bare `_ftol2()` tailcall, no
- operands survive); ACE's `(int)((power + 1.0f) * 100.0f)` is the
- tiebreaker. Unused by P1 (`pk` is hardcoded `false` — see §4), ported
- anyway for signature completeness/citation.
-- `EncumbranceSystem::{EncumbranceCapacity, Load, LoadMod}` (0x004fcc00/40/70,
- pc 256393+) — already verbatim-ported as `AcDream.Core.Items.BurdenMath`;
- P1's `EncumbranceSystem` delegates (see §2).
-
-## 7. What "weak jump" actually is (no hard refusal exists)
-
-Given §4 (JumpStaminaCost never refuses) and §5 (stamina==0 zeroes the
-EFFECTIVE skill, not the extent), the retail zero-stamina jump is:
-`GetJumpHeight(load, skill=0, extent, 1) = LoadMod(load) * 0.05 * extent`,
-floored to the 0.35 m minimum by the function's own clamp — i.e. **every
-jump attempt, however exhausted, still produces at least the 0.35 m floor
-hop.** There is no code path in `CACQualities` that makes `jump_is_allowed`
-return `GeneralMovementFailure` due to low stamina. The campaign plan's
-"weak/refused jump" acceptance phrasing is satisfied by "weak" (the floor
-hop); "refused" does not occur via burden/stamina in this chain and P1 does
-not invent it.
-
-## 8. ReportExhaustion — wiring the dead R3-W4 seam
-
-`ReportExhaustion()` (`MotionInterpreter.cs:1619`, already a full verbatim
-port of `CMotionInterp::ReportExhaustion` 0x005288d0) has ZERO callers
-anywhere in the codebase today. Retail's caller chain is
-`CPhysicsObj::report_exhaustion` (0x0050fdd0) →
-`MovementManager::ReportExhaustion` (0x00524360), both outside
-`CMotionInterp`'s scope and not yet located precisely in the decomp
-(out of P1's bounded scope to hunt down the exact upstream trigger site).
-What we DO know precisely: its effect is "re-apply current movement through
-the SAME dual-dispatch predicate as `apply_current_movement`" — i.e. force a
-fresh `WeenieObj.InqRunRate`/`InqJumpVelocity` query against the CURRENT
-physics/interpreted state, with no new input event.
-
-That is exactly the primitive needed to make a live burden/stamina/vitae
-change visible immediately (mid-run, mid-charge) instead of waiting for the
-next keypress. **P1 wires `ReportExhaustion()` as the "re-evaluate movement
-now" trampoline any time Runtime pushes a fresh burden, stamina, or
-vitae-adjusted-skill value into the active `PlayerMovementController`** —
-plausible given `ReportExhaustion`'s documented purpose, and the least
-speculative real consumer available for a seam that otherwise never fires.
-
-## 9. Design: where each input is computed and pushed
-
-```
-Runtime (AcDream.Runtime, presentation-free):
- RuntimeCharacterState
- - Spellbook (existing) -- vitae + skill enchantments live here
- - MovementSkills: RuntimeMovementSkillState (existing, EXTENDED)
- RunSkill / JumpSkill -- now the ADJUSTED (EnchantSkill'd) values
- Burden (float, new) -- InqLoad's load ratio
- CurrentStamina (int, new, -1 sentinel = unknown/don't-gate)
- - _runSkillBase / _jumpSkillBase (new, private) -- pre-EnchantSkill values
- - UpdateMovementSkillBase(runBase, jumpBase) -- stores base, recomputes+pushes adjusted
- - RecomputeMovementSkills() -- base * EnchantmentMath.GetSkillMod(skillId), floor/round
- - wired: Spellbook.EnchantmentsChanged -> RecomputeMovementSkills (vitae/buff changes
- recompute WITHOUT a fresh PD skill push)
-
- LiveSessionEventRouter.Attach() (cross-owner wiring hub; already the home
- of the existing onSkillsUpdated -> MovementSkills.Update plumbing)
- - onSkillsUpdated callback -> character.Character.UpdateMovementSkillBase(...)
- - NEW: inventory.Objects.{ObjectAdded,ObjectUpdated,ObjectRemoved,ObjectMoved,
- ContainerContentsReplaced,Cleared} + LocalPlayer.AttributeChanged(Strength)
- + Spellbook.EnchantmentsChanged
- -> recompute burden (Strength + prop 0xE6 aug + prop 5 EncumbranceVal,
- SAME shape as IndicatorBarController.UpdateBurden/InventoryController.RefreshBurden)
- using effective/enchantment-adjusted Strength
- -> character.Character.MovementSkills.UpdateBurden(ratio)
- - NEW: character.Character.LocalPlayer.Changed(VitalKind.Stamina)
- -> character.Character.MovementSkills.UpdateStamina(current)
- - all three trigger points additionally invoke the new
- LiveCharacterSessionBindings.OnMovementStatsUpdated callback
-
- RuntimeMovementSkillProjection.ApplyTo(skills, controller) (existing seam,
- called at construction AND reactively from OnSkillsUpdated/OnMovementStatsUpdated)
- - SetCharacterSkills(run, jump) (existing)
- - NEW: SetCharacterBurden(burden), SetCharacterStamina(stamina)
-
-App (LiveSessionRuntimeFactory) / Headless (HeadlessSessionHost):
- - OnMovementStatsUpdated: App wires ApplyTo(...) + controller.Motion.ReportExhaustion()
- (mirrors the existing OnSkillsUpdated body, which P1 ALSO extends with
- the ReportExhaustion() call for consistency); Headless passes null,
- matching its existing OnSkillsUpdated: null (headless bots don't need
- live mid-session re-apply to a controller that may not exist yet).
-
-Core (AcDream.Core.Physics, presentation-free, pure):
- EncumbranceSystem -- EncumbranceCapacity/Load/LoadMod, delegates to BurdenMath
- MovementSystem -- GetRunRate/GetJumpHeight/JumpStaminaCost/GetJumpPower
- PlayerWeenie (CACQualities-shaped)
- _burden (float), _currentStamina (int?, null=unknown) -- pushed via
- SetBurden/SetStamina (SetBurden already existed, wires the dead setter)
- _runSkill/_jumpSkill (int) -- pushed via SetSkills, ALREADY vitae/enchant-
- adjusted by Runtime before it arrives here (PlayerWeenie itself stays
- a pure formula consumer -- no Spellbook/enchantment dependency, keeping
- it trivially testable)
- CanJump(extent) -> _burden < 2.0 (UN-8 polarity, §3)
- JumpStaminaCost(extent, out cost)
- -> cost = MovementSystem.JumpStaminaCost(extent, _burden, pk:false);
- return true; (§4 -- always true, TS-23 owns pk)
- InqRunRate(out rate) -> effSkill = _currentStamina == 0 ? 0 : _runSkill;
- rate = MovementSystem.GetRunRate(_burden, effSkill, 1f);
- InqJumpVelocity(extent, out vz)
- -> effSkill = _currentStamina == 0 ? 0 : _jumpSkill;
- vz = sqrt(MovementSystem.GetJumpHeight(_burden, effSkill, extent, 1f) * 19.6f);
-```
-
-`_currentStamina == null` (never set — matches every existing test /
-call site that doesn't call `SetStamina`) never zeroes the skill, preserving
-every pre-P1 `PlayerWeenieTests.cs` expectation unchanged.
-
-## 10. Register bookkeeping (same commit as the port)
-
-- **Delete TS-5** (`CanJump` always true / `JumpStaminaCost` zero-cost stub) —
- retired: both now real, decomp-cited.
-- **Delete AP-25** (run/jump skill = attributeBonus+init+ranks only, no
- vitae) — retired: vitae now flows through `EnchantmentMath.GetSkillMod`.
-- **TS-21 untouched** — still valid (pre-PD fallback defaults 200/300 are a
- separate divergence, not addressed by P1).
-- **TS-23 extended** (not a new row) — its "PlayerKillerStatus not parsed"
- scope now also covers the new `MovementSystem.JumpStaminaCost` `pk`
- parameter, hardcoded `false` at the `PlayerWeenie` call site pending P3.
-- **AP-127 retired 2026-07-31 (#268)** — the complete 0x16D/category/
- 0x146/0x158 chain is shared by panel and movement (§5 closeout).
-- **New UN-8** — `CACQualities::CanJump`'s x87 comparison polarity resolved
- by domain plausibility rather than a literal BN read (§3); Ghidra MCP
- confirmation is the retire path.
-
-## 11. Test plan
-
-- `MovementSystemTests` (new, Core): golden tables for `GetRunRate` (0/200/
- 800 skill, load knees), `GetJumpHeight` (extent 0/0.5/1, 0.35 floor,
- load knees), `JumpStaminaCost` (ceil rounding, load/power sweep),
- `GetJumpPower` (inverse sanity, not consumed by P1 but ported for
- signature completeness / future charge-meter work).
-- `EncumbranceSystemTests` (new, Core): capacity at 100%/200% aug clamp,
- Load ratio, LoadMod knees — cross-checked 1:1 against the EXISTING
- `BurdenMath` tests (same formulas, must agree bit-for-bit).
-- `PlayerWeenieTests` (extend): CanJump refusal at load>=2.0 / allowed
- below; JumpStaminaCost real nonzero cost; InqRunRate/InqJumpVelocity
- zero at stamina==0 (skill forced to 0, still floors at 0.35 m for jump);
- ALL pre-existing tests must stay green unmodified (no SetStamina call ->
- null sentinel -> no gating, exactly today's behavior).
-- `EnchantmentMathTests` (extend): `GetSkillMod` type-flag filtering
- (Skill-flagged records match; vital-only records with a colliding
- numeric key do NOT), vitae-first-then-mult-then-add ordering.
-- `RuntimeCharacterStateTests` / `RuntimeMovementSkillStateTests` (Runtime):
- burden/stamina push + revision bump; `RecomputeMovementSkills` fires on
- `Spellbook.EnchantmentsChanged` without a fresh base push; ResetSession
- convergence includes Burden==0/CurrentStamina==-1.
-- `LiveSessionEventRouterTests` (Runtime, if a harness exists) or a focused
- new test: ObjectTable burden-trigger events recompute and push burden;
- Stamina vital change pushes CurrentStamina.
-
-## 12. P1 Opus-review addenda (2026-07-30, post-implementation)
-
-### 12a. UN-8 RETIRED — CanJump polarity byte-proven
-
-Raw bytes of `CACQualities::CanJump @ 0x00591b50` in the PDB-paired
-v11.4186 binary (technique: `reference_pe_byte_decode`):
-
-```
-e8 ca d5 ff ff call InqLoad (0x0058f130)
-85 c0 / 74 1a test eax,eax; jz return0 ; load unknowable -> 0
-d9 44 24 00 fld dword [esp] ; st0 = load
-d8 1d 24 5e 7c 00 fcomp dword [0x007c5e24] ; vs 2.0f (verified read)
-df e0 fnstsw ax
-f6 c4 05 test ah, 0x05 ; C0|C2
-7a 09 jp return0 ; PF=1 on {neither, both}
-b8 01 00 00 00 mov eax, 1 ; fall-through: C0 only
-```
-
-`test ah,5` result parity: `0x00` (load ≥ 2.0, incl. ==) → PF=1 → 0;
-`0x01` (load < 2.0) → PF=0 → 1; `0x05` (unordered) → PF=1 → 0.
-**`CanJump = (load < 2.0f)`; NaN/unordered refuses.** The shipped
-`_burden < CanJumpLoadThreshold` matches exactly, including the NaN edge.
-
-### 12b. PK-timer jump-cost semantics (for Slice P3 / TS-23)
-
-`CACQualities::JumpStaminaCost @ 0x00591b90` (pc 412934-412968), fully
-readable: the `pk` flag passed to `MovementSystem::JumpStaminaCost` is
-
-```
-pk = InqInt(0x86 /*134 PlayerKillerStatus*/, default 8) in {4 /*PK*/, 0x40 /*PKLite*/}
- && InqFloat(0x91 /*145*/) succeeded
- && (that_float + 20.0) >= Timer::cur_time
-```
-
-i.e. PK/PKLite status AND a 20-second recency window on PropertyFloat
-0x91. The P3 implementer should plumb exactly this pair alongside the
-mover-flag work; `MovementSystem.JumpStaminaCost`'s pk branch
-(`(int)((power + 1) * 100)`, ACE-derived — the retail branch is an
-elided `_ftol2` tailcall) is already in place.
diff --git a/docs/research/2026-07-30-ts4-116-oracle-plan.md b/docs/research/2026-07-30-ts4-116-oracle-plan.md
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-# TS-4 / #116 oracle pass — Campaign P final physics slice
-
-**Status: RESEARCH ONLY. No source changes.** This is a follow-up oracle
-pass on top of `docs/research/2026-07-30-response-layer-edge-family-pseudocode.md`
-(hereafter "the P2 doc"), specifically its §4 (TS-4), §5 (#116), and §7
-item 6 (the P2 implementation attempt's wedge diagnosis). That attempt
-correctly localized the freeze to `TransitionalInsert`'s Phase 2 retry
-loop but concluded the mechanism was "Phase 3 structurally unreachable"
-without tracing far enough to find the actual convergence/divergence
-point. This pass reads one layer deeper — into `BSPQuery.cs`'s `Path 4`
-dispatch (the `path.Collide` gate) and `AdjustOffset`'s crease-projection
-math — and finds a concrete, retail-decomp-cited mechanism for both TS-4
-and (as a byproduct of reading the same dispatch structure) strong new
-evidence for #116 shapes 1 and 2.
-
-Every claim is tagged **FACT** (read directly from the named-retail
-pseudo-C, ACE source, or current acdream source in this worktree, with
-file:line / address citations) or **INFERENCE** (derived from those FACTs
-by direct reasoning, not yet confirmed by a live capture/cdb run).
-
----
-
-## 0. Binding DO-NOT-RETRY entries (copied verbatim)
-
-From `memory/project_physics_collision_digest.md` (3-day-old snapshot,
-re-verified against current source where cited below) and
-`docs/ISSUES.md` #116:
-
-1. **Do NOT add `SetSlidingNormal` calls in the BSP/sphere collision
- layer.** Retail's only in-transition writer of
- `collision_info.sliding_normal` is `validate_transition`
- (`0x0050ac21`/`0x0050aa70`). A leaked normal + success writeback = an
- absorbing wedge at empty space. **This pass's TS-4 finding is a
- variant of exactly this failure class — see §1 below — but the
- writer in question (`validate_transition`'s unconditional
- `SetSlidingNormal(CollisionNormal)`) IS the retail-faithful one; the
- problem is not an extra writer, it's what `AdjustOffset` does with a
- *placeholder* `UnitZ` value when it reads `SlidingNormal` back.**
-2. **Do NOT re-add a forced constant-shell de-penetration.** Retail
- slides tangentially and never force-separates.
-3. **`SphereCollision` no longer calls `SetSlidingNormal`** (TS-45
- retired) — keep it that way.
-4. **Do NOT patch the degenerate-offset guard in `slide_sphere` ad
- hoc** for #116 — oracle-driven only.
-5. **Do NOT re-introduce a topology-based outside-add / radial sweep**
- to cell membership while touching this family.
-6. **`calc_friction` threshold is retail 0.25 vs acdream 0.0` (AP-7)** —
- orthogonal to this slice, do not fold in.
-7. **Shape-1 of #116 is NOT the degenerate-offset guard threshold** —
- that guard kills slides under ~1.4 cm; the lost tick-22760 slide was
- 3.57 cm. The divergence is the collision-normal SOURCE.
-8. **Do NOT guess the BN `test ah,5` x87 branch polarity/squaring** in
- `slide_sphere` — Ghidra MCP is down for this pass too; this pass does
- **not** touch that question (see §3, shape-2 — the finding here is
- about dispatch *routing*, not the x87 comparisons inside
- `slide_sphere`/`AdjustOffset` themselves, which remain unconfirmed
- and out of scope).
-9. **AP-4 (CliffSlide check moved before retail's Branch-1 gate)** — a
- live, load-bearing reordering. Not touched by this pass.
-10. **TS-46 (two-scalar sphere reconstruction) is OUT OF SCOPE.**
-
----
-
-## 1. TS-4 — the actual convergence/divergence mechanism
-
-### 1.1 Summary answer (read this first)
-
-**Retail does not "avoid" the Adjusted↔retry oscillation inside
-`transitional_insert`'s attempt loop any differently than acdream does —
-both structurally deadlock the same way within a single resolve.** What
-lets retail's *live* trace escape (and what the P2 fixture's synthetic
-trajectory does not) is that **retail's `AdjustOffset`
-(`CTransition::adjust_offset`, `0x0050a370`) re-projects the *next
-tick's* gravity offset through whatever `ContactPlane` +
-`SlidingNormal` survived the previous tick's collision — and for a
-pure, zero-horizontal-velocity vertical fall onto a steep surface, that
-projection is mathematically degenerate and crushes the offset to
-(near-)zero every tick, which abort-small-offsets before
-`TransitionalInsert` even runs again.** This is retail-faithful
-behavior, present identically in the raw decomp, in ACE's port, and in
-acdream's current port — it is not a bug introduced by the TS-4
-shortcut's removal. The `Ts4SteepRoofWedgeCaptureTests` fixture
-reproduces it because it drops the body **straight down with zero
-horizontal velocity**, which is very likely a different (and more
-degenerate) input than the live 2026-04-30 debugger trace that
-validated the shortcut (a player *jumping or running* onto a roof,
-which has residual horizontal velocity).
-
-### 1.2 The chain, FACT by FACT
-
-**Step A — Path 6 fires, sets `Collide`, does not reposition (FACT).**
-`BSPQuery.cs:2217-2224` (faithful branch, shortcut removed):
-```csharp
-path.SetCollide(worldNormal0);
-path.WalkableAllowance = PhysicsGlobals.LandingZ;
-return TransitionState.Adjusted;
-```
-`SpherePath.SetCollide` (`TransitionTypes.cs:752-759`) only sets
-`Collide=true`, backs up `CheckPos`, and stores `StepUpNormal` — it does
-**not** touch `CollisionInfo.ContactPlane` or `CollisionNormal`. Matches
-retail exactly: pseudo-C:323818-323821 (`0x0053a7bf`,
-`SPHEREPATH::set_collide(&sphere_path, &normal); walkable_allowance =
-0.0871556997f; return 3;`) — no `set_collision_normal`, no
-`set_contact_plane` call at this site either.
-
-**Step B — the SAME attempt's retry does NOT re-hit Path 6; it routes to
-Path 4 (FACT, both acdream and retail).** `BSPQuery.cs:1961` gates on
-`if (path.Collide)` — checked **before** the Path 5/6 tests, at the top
-of the same dispatch function. Since `Collide` was just set in Step A
-and is **never cleared** except inside `TransitionalInsert`'s Phase 3
-(`sp.Collide = false` at `TransitionTypes.cs:1816`, reachable only on an
-`OK` result — never reached while Path 6/Path 4 keep returning
-`Adjusted`), every subsequent attempt (within the same resolve **and**
-across ticks) dispatches to Path 4, not back to Path 6. Retail: raw
-pseudo-C:323784 `if (eax->sphere_path.collide == 0) {...} else {...}` —
-the identical gate, at the identical position in the dispatch (confirmed
-independently against ACE `BSPTree.cs:163-187`, `if (path.Collide) {
-RootNode.find_walkable(...); if (changed) {... return Adjusted;} else
-return OK; }`).
-
-**Step C — Path 4 (`FindWalkableInternal`) is what actually establishes
-`ContactPlaneValid` (FACT).** `BSPQuery.cs:1968-2018`: calls
-`FindWalkableInternal`; if it finds a candidate (`changed &&
-hitPoly is not null`), it **repositions** the sphere
-(`path.AddOffsetToCheckPos(worldOffset)`), sets a **real**
-`ContactPlane` via `collisions.SetContactPlane(worldPlane, ...)`
-(line 2006), caches the walkable polygon (`SetWalkableTransformed`), and
-returns `Adjusted`. This is the only site that gives the mover a real
-(steep) contact plane in this whole trajectory — **not** the Phase-3
-`DoCheckWalkable` gate the P2 doc's item-6 diagnosis assumed was the
-relevant site (that gate is downstream and, per Step B, unreachable
-here). Matches ACE `BSPTree.cs:163-184` exactly (`SetContactPlane`,
-`SetWalkable`, `return Adjusted`).
-
-**Step D — the attempt-exhausted `Adjusted` gets collapsed to `OK` with
-position reverted, but `ContactPlaneValid` survives the revert (FACT,
-both engines).** `TransitionalInsert`'s outer for-loop exhausts (acdream
-hardcodes `return TransitionState.Slid;` at `TransitionTypes.cs:2093`;
-ACE/retail return the true last value, `Adjusted` here — see §1.4 for why
-this particular divergence doesn't change the outcome). Either way,
-`ValidateTransition`'s "not OK" branch runs
-(`TransitionTypes.cs:5493-5501`): `if (!CollisionNormalValid)
-SetCollisionNormal(UnitZ);` (fires — Path 4/6 never touched
-`CollisionNormal`, only `ContactPlane`/`StepUpNormal`), then
-`SetCheckPos(CurPos, CurCellId)` (revert — no net movement),
-`transitionState = OK`. Retail: pseudo-C:272563-272596 (`0x0050aad9`),
-identical collapse (`COLLIDED_TS`/`ADJUSTED_TS`/`SLID_TS` all treated the
-same, default `CollisionNormal=UnitZ` if unset, revert `check_pos` to
-`curr_pos`). **Crucially, none of this touches `ContactPlaneValid`** — it
-carries forward from Step C untouched by the revert. Then the shared
-tail (`TransitionTypes.cs:5504-5533`, retail pc:272621-272656) runs:
-`if (CollisionNormalValid) SetSlidingNormal(CollisionNormal)` — now
-**`SlidingNormal = UnitZ`** (the placeholder from the default, not a
-real second surface) — and `if (ContactPlaneValid) { ...;
-oi.State|=Contact; if (Normal.Z>=FloorZ) OnWalkable=true else false; }`
-— since the steep polygon's `Normal.Z` (≈0.447 for the fixture's 63.4°
-slope) `< FloorZ` (≈0.664), `OnWalkable` stays **false** but `Contact`
-becomes **true**. **This exactly reproduces the fixture's own captured
-state at the landing tick: `InContact=true, OnWalkable=false`.**
-
-**Step E — the NEXT tick's `AdjustOffset` crushes a purely-vertical
-offset to zero (FACT for the math, INFERENCE that this is the actual
-observed freeze cause — not independently re-run this pass).**
-`TransitionTypes.cs:4936-5014` (acdream), `Transition.cs:34-87` (ACE),
-pseudo-C:272271-272393 (`0x0050a370`, retail) are all structurally
-identical:
-```
-slidingAngle = Dot(offset, SlidingNormal)
-if (SlidingNormalValid) { if (slidingAngle < 0) checkSlide = true; else SlidingNormalValid = false; }
-...
-if (checkSlide) {
- slideOffset = Cross(ContactPlane.Normal, SlidingNormal)
- normalize slideOffset (or zero out if degenerate)
- result = Dot(slideOffset, offset) * slideOffset
-}
-```
-With `offset = (0, 0, -dz)` (pure gravity, zero horizontal component),
-`SlidingNormal = UnitZ = (0,0,1)`: `slidingAngle = -dz < 0` →
-`checkSlide = true`. `slideOffset = Cross(ContactPlane.Normal, UnitZ)` —
-for any non-vertical plane normal `N=(Nx,Ny,Nz)`, this cross product is
-`(Ny, -Nx, 0)` — a **horizontal** vector (Z=0), lying in the slope's
-*contour* line (perpendicular to the downhill direction), **not the
-degenerate/near-zero case** (the 63.4° slope's normal is not parallel to
-UnitZ, so `NormalizeCheckSmall` does not fire). `Dot(slideOffset,
-offset) = Dot((Ny,-Nx,0), (0,0,-dz)) = 0` exactly, because
-`slideOffset.Z = 0` and `offset` is purely `Z`. **`result = 0 *
-slideOffset = Vector3.Zero`.** The projected `GlobalOffset` is zero (up
-to float noise), which trips the "abort-small-offset" guard
-(`TransitionTypes.cs:1466-1478`, retail's non-viewer `|offset|² <
-F_EPSILON²` gate at pseudo-C:272845/`0x0050bdf0`, cited already in the
-existing `AdjustOffset` port comment) **before `TransitionalInsert` is
-even called again** — so `ValidateTransition` never runs on subsequent
-ticks either, meaning the stale `ContactPlaneValid`/`SlidingNormal=UnitZ`
-state simply perpetuates unchanged, forever. This is the freeze.
-
-**Step F — why the existing frames_stationary_fall (fsf) escape valve
-can't rescue this case (INFERENCE, follows directly from Step E).** The
-digest's #182 rebuild already ported retail's fsf ladder
-(`TransitionTypes.cs:5625-5667`, ACE `Transition.cs:1029-1061`,
-pseudo-C:272625-656) — after 3 consecutive non-advancing ticks it
-manufactures a flat `UnitZ` contact plane and forces `OnWalkable=true`,
-which is exactly the kind of "unstick" mechanism one would look for
-here. **But that ladder lives inside `ValidateTransition`, which Step
-E's abort-small-offset guard prevents from ever running again** once the
-crease projection first crushes the offset to zero. The rescue mechanism
-is downstream of a gate the degenerate input never lets execution
-reach — in both acdream and (per identical source) retail.
-
-### 1.3 Why this reconciles the shortcut's own "retail did not wedge" comment (INFERENCE)
-
-The shortcut's comment (`BSPQuery.cs:2190-2199`) says the interim fix was
-"Validated against retail debugger trace 2026-04-30: retail body did not
-wedge." A live player jumping or walking onto a roof virtually always
-carries **some** horizontal velocity component (WASD input, residual
-momentum). For a non-purely-vertical `offset`, `Dot(slideOffset, offset)`
-is generally **non-zero** (only a component exactly along the pure
-downhill/gravity line is annihilated by this specific cross product —
-any lateral drift survives), so `AdjustOffset` would produce a small but
-non-zero *sideways* offset each tick — enough to move the sphere off the
-exact same collision point, avoid the abort-small-offset short-circuit,
-let `TransitionalInsert`/`ValidateTransition` run again, and (via
-repeated Path-4 `find_walkable` re-probes and the fsf ladder) eventually
-resolve. **The `Ts4SteepRoofWedgeCaptureTests` fixture's `pos =
-(0.5, 0, 3.0)` straight-down drop with `fallVelocityZ` as the only
-non-zero component is very likely a stricter, more degenerate input than
-the live 2026-04-30 repro ever exercised.** This is not yet independently
-re-confirmed by re-running the fixture with a horizontal component (see
-§4 Step 1 below for the concrete next action), so it is flagged
-INFERENCE — but it is the only hypothesis consistent with every FACT
-gathered in §1.2, and it does not require inventing any new mechanism.
-
-### 1.4 The acdream-only bug that does NOT explain the freeze, but is real and should still be fixed
-
-`TransitionTypes.cs:2091-2093`:
-```csharp
-// Exhausted retry attempts — return whatever the last iteration said.
-// (Defaults to Slid in practice since that's the only case that retries.)
-return TransitionState.Slid;
-```
-This is **hardcoded**, not "whatever the last iteration said" as the
-comment claims. ACE's equivalent (`Transition.cs:933`, `return
-transitState;`) and retail's (pseudo-C:273363, `0x0050b949`, `return
-edi;`) both return the **true** last value — `Adjusted` in this
-scenario, not `Slid`. **FACT: this is a real, citable divergence.**
-**FACT: it does not explain the freeze** — `ValidateTransition`'s
-"not OK" branch (§1.2 Step D) treats `Collided`/`Adjusted`/`Slid`
-**identically** (acdream `TransitionTypes.cs:5493-5501`, ACE
-`Transition.cs:993-1017`, retail pseudo-C:272563-272596 all gate on
-`result > OK_TS && result <= SLID_TS` as one combined range, with no
-per-value branching). Fixing the hardcoded return is a one-line,
-zero-risk correctness fix (worth doing — it's a real citable
-port-accuracy bug and prevents future confusion when tracing this loop)
-but it is **not** the TS-4 fix and should not be presented as one.
-
-### 1.5 What TS-4's actual fix shape is, given this
-
-The mechanism in §1.2 is **not something `BSPQuery.cs`'s Path 6 can fix
-by itself** — the freeze happens one tick *after* Path 6/Path 4 run,
-inside `AdjustOffset`, and is a property of the (already retail-faithful)
-`validate_transition` + `adjust_offset` pipeline reacting to a specific
-degenerate trajectory. Concretely, TS-4's shortcut removal is very
-likely **safe for the realistic case** (nonzero horizontal velocity) and
-only exposes this specific zero-horizontal-velocity degenerate, which:
-- may be a genuine, narrow, retail-faithful edge case (a player falling
- perfectly plumb onto a slope with zero horizontal drift essentially
- never happens in live play — WASD input, camera-relative movement, and
- even tiny numerical noise almost always inject some horizontal
- component), in which case it is not a blocker for TS-4 at all and
- should be documented as an accepted (retail-matching) corner case
- rather than "fixed", **or**
-- may indicate the fixture itself should be revised to match the
- original live repro's actual trajectory shape (nonzero horizontal
- velocity) before it's trusted as TS-4's gating fixture.
-
-See §4 for the concrete, low-cost verification step (re-run the fixture
-with a small horizontal velocity component) that would settle which of
-these is true without guessing.
-
----
-
-## 2. #116 shape-1 — collision-normal recording divergence (new candidate, INFERENCE, needs one instrumentation run to confirm)
-
-### 2.1 What the existing research already ruled out (FACT, restated)
-
-Ghidra-confirmed (2026-06-12, digest lines 1268-1275): acdream's
-`cn=UnitZ` default on a blocked move **is** retail-faithful
-(`validate_transition` does the identical default). The real divergence
-is **upstream** — at tick-22760, acdream's `collision_normal_valid` was
-`false` where retail's was `true` (retail had recorded the door-face
-normal `(0,+1,0)`). The candidate site named in the P2 doc §5 was "the
-`PathClipped`/`collide_with_pt` arm... or a sibling Path-1-class function
-not yet read."
-
-### 2.2 PathClipped is NOT the answer (checked this pass, negative result — FACT)
-
-`ObjectInfoState.PathClipped` (`TransitionTypes.cs:32`, bit `0x8`) is
-only set on a mover when `MoverPhysicsState & PhysicsStateFlags.Missile
-!= 0` (`PhysicsEngine.cs:1160-1163`), with an explicit citation to
-retail's own `CPhysicsObj::get_object_info` (`0x00511CC0`): "Missile
-contributes PathClipped only." A normal player push against a door is
-not a missile mover, so **neither acdream nor retail would set
-PathClipped for this scenario** — this rules out "PathClipped state
-differs between engines" as shape-1's cause. (The camera/viewer sweep
-does carry PathClipped via a different, explicit caller-supplied flag,
-but that's a different mover than the one in the tick-22760 door-push
-capture.)
-
-### 2.3 The real candidate: acdream's Path-6 sphere1(head)-hit handling diverges from retail/ACE (FACT for the divergence, INFERENCE that it explains tick-22760)
-
-Retail's `BSPTREE::find_collisions`, in the **not-yet-in-Contact**
-branch (`state&1==0`, i.e. airborne / first contact — pseudo-C:323784-
-323836, `0x0053a4e3`-`0x0053a730`+): when sphere0 (foot) does **not**
-hit but `num_sphere > 1` and sphere1 (head) **does** hit, retail does
-**not** defer through `SetCollide`/`Adjusted` — it calls
-`COLLISIONINFO::set_collision_normal` **directly** with the head poly's
-transformed normal and returns `COLLIDED_TS` (`2`) immediately
-(pseudo-C:323824-323834, `0x0053a793`/`0x0053a7a4`). Cross-checked
-independently against ACE `BSPTree.cs:221-230`:
-```csharp
-else if (path.NumSphere > 1)
-{
- if (RootNode.sphere_intersects_poly(localSphere_, movement, ref hitPoly, ref contactPoint) || hitPoly != null)
- {
- var collisionNormal = path.LocalSpacePos.LocalToGlobalVec(hitPoly.Plane.Normal);
- collisions.SetCollisionNormal(collisionNormal);
- return TransitionState.Collided;
- }
-}
-```
-— an exact structural match to the raw decomp, confirming this is not a
-BN misdecompile.
-
-**acdream's corresponding code (`BSPQuery.cs:2227-2264`) does NOT do
-this.** It applies the *same* SetCollide-and-defer (or steep→`Slid`)
-treatment to a sphere1 hit as it does to sphere0 — there is no branch
-that returns `Collided` with a direct `SetCollisionNormal` write for "foot
-clear, head hit" while airborne. This means: **in acdream, an airborne
-mover whose HEAD sphere alone contacts a polygon (foot sphere clear) gets
-`SetCollide` + deferred `Adjusted` (no immediate `CollisionNormal`
-write) — exactly the same "the real normal gets lost until
-`validate_transition`'s `UnitZ` default kicks in" symptom the digest
-already diagnosed for shape-1.** A door push where the player's capsule
-brushes the door frame near chest/head height while the foot sphere
-tracks slightly differently (a very plausible geometry for "pushing a
-closed door face at a near-perpendicular angle," matching the tick-22760
-description) is a strong candidate for exactly this code path.
-
-**Caveat, stated honestly:** this is contingent on sphere0 (foot) *not*
-fully hitting while sphere1 (head) *does* — if the door's collision
-geometry is a full vertical plane, sphere0 would very likely hit too,
-and the code would never reach the sphere1 branch (`BSPQuery.cs:2156`'s
-`if (hit0 || hitPoly0 is not null)` returns early). This has **not**
-been confirmed against the actual tick-22760 replay this pass — it is
-the single next concrete step (see §4).
-
-### 2.4 Instrumentation to run (concrete, low-cost, no guessing required)
-
-Extend `DoorBugTrajectoryReplayTests.Diagnostic_Tick22760_DumpEngineInternals`
-(`tests/AcDream.Core.Tests/Physics/DoorBugTrajectoryReplayTests.cs:162`)
-to log, at the tick-22760 resolve, which of `hit0`/`hitPoly0`/`hit1`/
-`hitPoly1` were non-null/true inside `BSPQuery.cs`'s Path-6 dispatch
-(a one-line `Console.WriteLine` gated behind the existing
-`ProbeIndoorBspEnabled`/`ProbeBuildingEnabled` diagnostics, or a new
-narrowly-scoped probe flag per the project's diagnostic-owner pattern).
-
-**Accept criterion:** if `hit0`/`hitPoly0` are both null/false **and**
-`hit1`/`hitPoly1` fire, §2.3's hypothesis is confirmed — the fix is to
-port retail's direct sphere1-hit-without-sphere0-hit → `Collided` +
-`SetCollisionNormal` branch into `BSPQuery.cs`'s Path 6 (mirroring the
-already-correct Path 5/Contact-branch treatment at
-`BSPQuery.cs:2103-2140`, which already handles the analogous grounded
-case correctly — this would be a narrow, well-precedented port, not a
-new design).
-
-**Reject criterion:** if sphere0 hits too (`hit0` or `hitPoly0` truthy),
-this hypothesis is wrong for tick-22760 specifically, and the search
-should move to the *other* named-retail sibling not yet read this pass —
-`BSPTREE::collide_with_pt`'s own internal structure for a **non-PathClipped**
-context is not reachable (its outer gate requires `state&8`), so the
-next candidate would be whatever governs `CObjCell::find_obj_collisions`'s
-insertion order relative to `find_env_collisions` for a door's *building*
-channel (the BR-7/A6.P4 per-cell shadow architecture) — not yet examined
-this pass; would need a fresh read of that dispatch specifically for
-polygon ordering/precedence when multiple candidate polys are tested per
-cell.
-
----
-
-## 3. #116 shape-2 — first-airborne-frame hard-stop vs in-frame slide (strong structural finding, INFERENCE, narrows but does not eliminate the need for a confirming run)
-
-### 3.1 The dispatch structure resolves the ROUTING question without cdb (FACT, cross-referenced against 3 sources: raw BN pseudo-C, ACE, current acdream)
-
-Both the raw retail decomp and ACE's `BSPTree.cs` (an independent,
-clean-language port — the "fastest oracle" the mission suggested)
-show the **same two-tier gate**, keyed on `ObjectInfoState.Contact`:
-
-- **Already grounded (`Contact` set) + head-sphere hit** → `slide_sphere`
- called **directly, in-line, same tick** (ACE `BSPTree.cs:192-202`;
- retail pseudo-C region immediately following `0x0053a730`'s `state&1`
- branch — the `else` arm at ~323838+, not fully re-quoted here but
- structurally mirrored by ACE's clean port). acdream's `BSPQuery.cs`
- Path 5 (`:2103-2120`) already matches this exactly — `SlideSphere`
- called directly for a grounded head-hit.
-- **NOT yet grounded (`Contact` unset, i.e. airborne / first contact) +
- foot-sphere hit** → the **Path-6 default**: `SetCollide` +
- `WalkableAllowance=LandingZ` + return `Adjusted` — **no
- repositioning, no `slide_sphere` call at all** (ACE `BSPTree.cs:210-219`;
- retail pseudo-C:323815-323821). Only a sphere1(head)-hit-without-
- sphere0-hit gets an immediate response in this branch, and that
- response is `Collided` (§2.3), **still not `slide_sphere`**.
-
-**This means: for a genuine first-airborne-frame FOOT-sphere wall hit
-(the D4 fixture's actual shape — a mover falling into a tall wall),
-neither retail nor ACE's port calls `slide_sphere` on contact frame 1.**
-The sphere is left exactly where it was (`SetCollide` does not
-reposition — confirmed in §1.2 Step A), `Collide` gets set, and the
-**very next retry attempt** (same tick, same `TransitionalInsert` loop,
-per §1.2 Step B) routes to **Path 4** (`find_walkable`) instead. For a
-**tall, vertical wall** (D4's actual geometry — "TallWall" per the test
-name), `find_walkable`'s nearby-walkable-surface search would very
-plausibly find **no** candidate (a sheer vertical face has no
-near-horizontal polygon to "land" on nearby) — `changed=false` — so
-Path 4 returns `OK` (ACE `BSPTree.cs:185-186`, `else return
-TransitionState.OK;`). `TransitionalInsert`'s Phase 3 (`if
-(sp.Collide)`, now finally reachable since `objState==OK`) then runs:
-`ContactPlaneValid` is **false** (Path 4's `changed=false` arm never
-sets it), so the `else reset=true;` branch fires
-(`TransitionTypes.cs:1842-1843`), `RestoreCheckPos()` reverts to the
-pre-hit position, and the retail-faithful gate at
-`TransitionTypes.cs:1863-1898` (matching pseudo-C:273231-273239 exactly,
-already cited in-code) fires: since this is the *first* airborne
-contact, `LastKnownContactPlaneValid` is false, so
-`SetCollisionNormal(sp.StepUpNormal)` (the wall's **real** normal,
-captured back at the original Path-6 hit) runs and the function returns
-**`Collided`** — a **hard stop, in place, with the correct wall normal
-recorded** — not a slide.
-
-### 3.2 What this means for D4
-
-**INFERENCE, well-supported but not independently re-run this pass:**
-the D4 pin's original expectation (frame 1 hard-stops at Z=2.0, the
-slide begins frame 2 off the cached sliding normal) is structurally much
-closer to what retail's own dispatch produces for a true vertical-wall
-first-contact than the engine's current in-frame slide-to-Z=1.92
-behavior. **This narrows — but does not eliminate — the open question.**
-What remains genuinely unconfirmed by static reading (and is exactly
-the class of question DO-NOT-RETRY item 8 warns against guessing):
-
-- Whether `find_walkable`'s internal walkable-search radius/height
- actually returns "nothing found" for the *specific* D4 fixture
- geometry (a wall tall enough that no nearby floor exists within its
- search envelope) — this is a **testable, non-cdb** question: instrument
- or step through `FindWalkableInternal` for the D4 geometry and confirm
- `changed=false`.
-- The exact x87 comparison polarities *inside* `slide_sphere` and
- `find_walkable` themselves (unrelated to this pass's routing finding)
- remain unconfirmed per DO-NOT-RETRY item 8 — but those don't matter for
- D4 if `slide_sphere` is never reached on frame 1 in the first place.
-
-### 3.3 Recommended next step for shape-2 (no cdb needed for the routing question; cdb only if the confirming run disagrees)
-
-1. **First (cheap, no cdb):** run/instrument the existing
- `BSPStepUpTests.D4_AirborneMover_TallWall_PersistsSlidingNormalAcrossFrames`
- fixture (currently `Skip`-tagged citing #116) with a probe on which
- `BSPQuery.cs` path fires on frame 1 (Path 6 vs Path 4 vs a full-hit-
- the-second-attempt path) and whether `FindWalkableInternal` returns
- `changed=true` or `false` for that specific wall. **Accept:** if
- Path 6 fires (`SetCollide`+`Adjusted`, no reposition), Path 4 then
- fires with `changed=false`, and the final result is `Collided` with
- `StepUpNormal` as the recorded normal — this confirms §3.1/§3.2, and
- the fix is to **flip the D4 pin back to hard-stop** (retire the
- `Skip`, assert Z=2.0 frame 1) rather than changing the engine.
- **Reject:** if the trace shows something else (e.g. Path 4 actually
- finds a walkable candidate for this wall, or a different dispatch arm
- fires entirely) — then the routing hypothesis in §3.1 doesn't hold for
- this specific fixture geometry, and a live cdb trace becomes necessary
- after all.
-2. **Only if step 1 disagrees with the FACT-cited dispatch structure:**
- a live cdb trace of an actual airborne wall hit in retail, per the
- CLAUDE.md "Retail debugger toolchain" section. Concrete script
- outline (adapting the documented pattern):
- ```
- .logopen ts4-116-airborne-wallhit.log
- .sympath C:\Users\erikn\source\repos\acdream\refs
- .symopt+ 0x40
- .reload /f acclient.exe
-
- r $t0 = 0
- bp acclient!BSPTREE::find_collisions "r $t0 = @$t0 + 1; .if (@$t0 % 1 == 0) { .printf \"hit %d: state=%%d collide=%%d\\n\", @$t0 } gc"
- bp acclient!CSphere::slide_sphere "r $t1 = @$t1 + 1; .printf \"SLIDE_SPHERE HIT #%d\\n\", @$t1; .if (@$t1 >= 3) { qd } .else { gc }"
- bp acclient!BSPTREE::collide_with_pt "r $t2 = @$t2 + 1; .printf \"COLLIDE_WITH_PT HIT #%d\\n\", @$t2; gc"
- g
- ```
- User reproduces: jump toward a tall vertical wall so the FIRST wall
- contact happens while airborne (not already grounded). The key
- signal is whether `slide_sphere` fires on the **same** engine tick
- as the first `find_collisions` hit against that wall (in-frame slide,
- confirming the CURRENT engine behavior) or only on a **later** tick
- (confirming the hard-stop-then-slide-frame-2 pin). Auto-detaches via
- `qd` after 3 `slide_sphere` hits to bound game lag.
-
----
-
-## 4. Recommended execution order + blast radius
-
-1. **[Lowest risk, do first] Fix the `TransitionalInsert` exhausted-loop
- hardcoded return** (§1.4): change `return TransitionState.Slid;` to
- return the real last `transitState` value, matching ACE/retail. Blast
- radius: essentially zero — `ValidateTransition` treats
- `Collided`/`Adjusted`/`Slid` identically downstream (confirmed §1.2
- Step D), so this is a pure code-correctness fix with no observable
- behavior change in any currently-passing test. Good precursor because
- it removes a misleading comment/return before anyone traces this loop
- again.
-
-2. **[Cheap, decides whether TS-4 needs anything further] Re-run
- `Ts4SteepRoofWedgeCaptureTests` with a small horizontal velocity
- component** (e.g. `vx = 0.3` m/s alongside the existing straight-down
- fall), shortcut removed. Per §1.3's hypothesis, this should **not**
- wedge (the crease projection produces a non-zero tangential offset).
- **Accept (doesn't wedge):** TS-4's shortcut removal is safe for the
- realistic case; land it, retire the TS-4 register row, and either (a)
- accept the pure-vertical case as a documented, retail-faithful corner
- case (cite §1.2/§1.3 in the register row) or (b) if the team wants
- zero residual risk, also file a narrow follow-up for the
- zero-horizontal-velocity degenerate specifically (not a TS-4 blocker).
- **Reject (still wedges even with horizontal velocity):** §1.3's
- hypothesis is wrong or incomplete; do NOT land TS-4 yet — re-open with
- a fresh capture of the actual velocity vector at the wedge point and
- compare against what `AdjustOffset` computes step by step (a
- `ACDREAM_DUMP_EDGE_SLIDE`-style trace of `AdjustOffset`'s intermediate
- `slidingAngle`/`collisionAngle`/`slideOffset` values, not yet
- instrumented, would be the concrete next apparatus).
-
-3. **[Independent of 1-2] #116 shape-1 instrumentation** (§2.4): add the
- one-line hit0/hitPoly0/hit1/hitPoly1 probe to
- `Diagnostic_Tick22760_DumpEngineInternals` and re-run. Blast radius:
- zero (diagnostic-only). If confirmed, the fix (porting retail's direct
- sphere1-hit → `Collided`+`SetCollisionNormal` branch into Path 6) is a
- narrow, well-precedented addition mirroring the already-correct Path 5
- treatment — moderate blast radius (touches the shared Path-6 dispatch
- used by every airborne two-sphere mover), needs the existing
- `SphereCollisionFamilyTests`/`Issue137*` suites re-run plus a fresh
- tick-22760 comparison before landing.
-
-4. **[Independent of 1-3] #116 shape-2 instrumentation** (§3.3 step 1):
- add the BSPQuery-path + `FindWalkableInternal` `changed` probe to the
- D4 fixture. Blast radius: zero (diagnostic-only) for the instrumentation
- itself. If confirmed, flipping the D4 pin (un-skip, assert hard-stop
- frame 1) is a **test-only** change with **zero production code
- change** — the engine's current dispatch already produces this
- result per §3.1's reading; only the test's own expectation is
- currently wrong. This is the lowest-risk of all four items once
- confirmed, because it requires touching zero engine code.
-
-**Suggested order given the above:** 1 → 4 → 3 → 2, since 4 (#116
-shape-2) is the cheapest to fully resolve (test-only fix, zero engine
-change, per this pass's structural finding) and 2 (TS-4's own
-confirming run) benefits from having item 1's return-value fix landed
-first (removes a confusing false signal before re-tracing).
-
----
-
-## 5. What genuinely still needs cdb or Ghidra (not resolved by this pass)
-
-1. **#116 shape-2, only if §3.3 step 1's confirming run disagrees with
- the FACT-cited dispatch structure.** The routing question itself
- (does frame 1 reach `slide_sphere`) is resolved by static reading
- against 3 independent sources in this pass; only a surprising,
- contradicting instrumentation result would re-open the need for a
- live trace. The cdb script outline is in §3.3 step 2.
-2. **The x87 comparison polarities inside `slide_sphere`,
- `find_walkable`, and `AdjustOffset`'s own internal branches**
- (DO-NOT-RETRY item 8) — untouched by this pass, remain Ghidra/cdb-
- gated as before. This pass's findings are about which *function*
- gets called (dispatch routing), not the exact comparison operators
- inside those functions.
-3. **AP-7's `cos(10°)` vs `0.99999536f` discrepancy** (P2 doc §1) —
- unrelated to this pass, still needs a Ghidra decompile of
- `0050ee70` when Ghidra MCP is back up.
-4. **TS-1 gaps #2/#3's `last_known_contact_plane` maintenance and
- Path-4 `LandingZ` acceptance audit** (P2 doc §2, §6 Step 2) — per the
- current source read in this pass, this already carries an in-code
- citation ("TS-1 gap #3 (register AD-54, Campaign P Slice P2
- 2026-07-30)") suggesting it was addressed in the same implementation
- session that produced the P2 doc's item-6 update; not independently
- re-verified this pass.
-
----
-
-## 6. One-paragraph summary for the calling agent
-
-**TS-4:** the Adjusted↔retry loop the P2 doc's implementation attempt
-found is real, but its root cause is one layer downstream of where that
-attempt looked. `Path 6` sets `Collide=true` without moving the sphere;
-every subsequent attempt (same tick and later ticks, since `Collide` is
-never cleared outside Phase 3) routes to `Path 4`
-(`FindWalkableInternal`), which is what actually establishes the steep
-`ContactPlane` (matching the fixture's observed `InContact=true,
-OnWalkable=false`). The freeze itself happens one tick later, inside
-`AdjustOffset`: `validate_transition`'s retail-faithful `CollisionNormal
-→ UnitZ` default feeds `SetSlidingNormal`, and `AdjustOffset`'s
-crease-projection (`Cross(ContactPlane.Normal, SlidingNormal)`) is
-mathematically orthogonal to a **purely vertical** input offset — every
-subsequent tick's gravity-only offset gets crushed to zero and
-abort-small-offsets before the engine can run again. This exact
-mechanism is present identically in the raw retail decomp, ACE's port,
-and acdream's current port — it is very likely not a code bug but a
-narrow degenerate case that a live player's residual horizontal velocity
-(present in the original validating debugger trace) would not trigger.
-The concrete next step is cheap and decisive: re-run
-`Ts4SteepRoofWedgeCaptureTests` with a small horizontal velocity
-component before deciding whether TS-4's shortcut removal needs anything
-beyond the register-row writeup.
-
-## Addendum (P-review byte decode, 2026-07-30): AD-55 RESOLVED — retail's sled flatness test is cos(10°), ACE's constant is a radians/degrees bug
-
-Raw bytes of `CPhysicsObj::calc_friction @ 0x0050ee70` (PDB-paired binary,
-technique `reference_pe_byte_decode`), Sledding fast-sled branch at
-0x0050ef52-0x0050ef6a:
-
-```
-d9 86 38 01 00 00 fld dword [esi+0x138] ; contact_plane.Normal.Z
-dd 05 28 6b 7c 00 fld qword [0x007c6b28] ; = 0.17453292519943295 (10 deg in RADIANS)
-d9 ff fcos ; st0 = cos(10 deg) = 0.984807753
-de d9 fcompp
-df e0 / f6 c4 41 / 7a fnstsw; test ah,0x41; jp
-```
-
-FACT: retail genuinely computes `cos(10°) ≈ 0.9848078` at runtime and
-compares `Normal.Z` against it. ACE's `0.99999536f` equals
-`cos(0.1745 DEGREES)` — the radian literal evaluated in degree mode; a
-proven ACE porting error, not a BN artifact. Sibling constants
-byte-confirmed: threshold float 0.25 @0x007c6b00, doubles 6.25/1.5625
-@0x007c6b30/38, friction overrides 1.0f/0.2f as immediates.
-
-Feel impact: retail's 0.2-friction fast-sled override engages on ground
-within 10° of flat; the shipped ACE-derived constant engages only within
-0.17° (never, in practice) — part of the #166 sled family. FIX (queue for
-the TS-4/#116 implementation slice, which owns `PhysicsBody`): replace
-`0.99999536f` with `0.98480775f` (cos 10°), cite this addendum, retire
-register row AD-55 in the same commit.
-
-## Addendum 2 (implementation session, 2026-07-30): #116 shape-1's tick-22760
-## confirming run DISAGREES with this plan's hypothesis — the real mechanism
-## is one layer further upstream, and it's retail-faithful there too
-
-Per this doc's own §4 execution order, item 1 (the `TransitionalInsert`
-exhausted-loop hardcoded return) landed first — mechanical, zero
-observable behavior change, confirmed by the full `AcDream.Core.Tests`
-suite (4059 passed / 2 skipped, no change in pass count). Then §2.3's
-shape-1 fix landed verbatim in `BSPQuery.cs`'s Path 6 `hasSphere1`
-branch: a foot-clear/head-hit airborne contact now returns
-`TransitionState.Collided` with a direct `collisions.SetCollisionNormal`
-write, exactly matching pc:323824-323834 (`0x0053a793`/`0x0053a7a4`) and
-ACE `BSPTree.cs:221-230`. This is a real, independently-decomp-confirmed
-port-accuracy fix and is kept regardless of the result below.
-
-**The confirming instrumentation run (§2.4) DISAGREES with the plan's
-tick-22760 hypothesis.** Re-running
-`DoorBugTrajectoryReplayTests.Diagnostic_Tick22760_DumpEngineInternals`
-after the fix landed shows **no change**: harness still reports
-`cn=(0,0,1)` (the `UnitZ` ground-fallback default) against live's
-`cn=(0,+1,0)` (the door-face normal). Adding a dispatcher-entry probe
-(`[path-dispatch]`, `[path5-diag]`, gated on the existing
-`ProbeIndoorBspEnabled` flag, kept in `BSPQuery.cs` as permanent
-diagnostics) traced the ACTUAL call sequence for this capture:
-
-1. The seeded body's `TransientState` (131 = `Contact | OnWalkable |
- Active`) means `ObjectInfo.State & Contact != 0` for this mover — it
- is **grounded**, so `BSPQuery.FindCollisionsCore` dispatches to
- **Path 5** (the Contact/grounded branch), never Path 6 at all. The
- plan's shape-1 hypothesis was explicitly scoped to "the not-yet-in-
- Contact branch" (§2.3) — that scoping was itself the unconfirmed
- part, and it does not hold for tick-22760.
-2. Path 5's own dispatch for the door's BSP shape at this exact position
- finds **neither sphere hitting nor near-missing**
- (`hit0=False hitPoly0=False hit1=False hitPoly1=False`) — the
- simplified fixture registration this test uses
- (`BuildEngineWithDoorFixture`, which places the raw GfxObj BSP
- directly at its captured world-space bounding-sphere center rather
- than via the faithful `ShadowShapeBuilder.FromSetup` +
- `PlacementFrame` transform that `BuildFaithfulDoorEngine` uses
- elsewhere in the same file) returns `OK` for the door here.
-3. `TransitionalInsert`'s step-down gate then fires
- (`contactInvalidOrSteep` is true because the per-substep walk loop
- clears `ContactPlaneValid` before every `TransitionalInsert` call —
- `TransitionTypes.cs` around the `FindValidPosition` per-step reset —
- so the door BSP is queried TWICE MORE via `DoStepDown`'s two half-
- height attempts, dispatching to **Path 3** (`StepSphereDown` →
- `FindWalkableInternal`), which also finds no walkable candidate here
- (the door face is not a floor-like polygon) and returns `OK` both
- times.
-4. Both `DoStepDown` calls therefore fail (return `false`), which routs
- into `EdgeSlideAfterStepDownFailed`. With `ContactPlaneValid` false,
- `OnWalkable` true (seeded), `EdgeSlide` true (mover flags), and the
- RESTORED walkable polygon from the body's own snapshot (a flat
- triangle `(144,0,94)-(144,24,94)-(120,24,94)`, `Normal.Z=1 >=
- FloorZ`), execution reaches `sp.PrecipiceSlide(this)`
- (`TransitionTypes.cs` "branch3/precipice-slide").
-5. **`SpherePath.PrecipiceSlide` calls `BSPQuery.FindCrossedEdge` against
- that seeded triangle. The player's actual sweep (X≈133, Y from 18.02
- to 17.60) does not cross ANY of that triangle's three edges** (the
- triangle spans roughly X∈[120,144], and its hypotenuse sits at
- X+Y=144 — at X=133 that's Y≈11, far south of the player's Y range).
- `FindCrossedEdge` returns false, and acdream's `PrecipiceSlide`
- (`TransitionTypes.cs:1039-1054`) does exactly what retail's
- `SPHEREPATH::precipice_slide` does on the identical branch — **read
- fresh this session, pc:274316-274326, `0x0050cc80`**:
- ```
- int32_t eax = CPolygon::find_crossed_edge(...);
- if (eax == 0) { this->walkable = eax; return 2; /* COLLIDED_TS */ }
- ```
- **No `set_collision_normal` call on this path in retail either.**
- This is a byte-exact match, not an inference — acdream's
- `ClearWalkable(); return TransitionState.Collided;` on a failed
- `FindCrossedEdge` is retail-faithful. `ValidateTransition`'s
- `UnitZ`-default-on-invalid-normal fires identically in both engines
- for this exact mechanism.
-
-**Conclusion: the tick-22760 divergence is NOT explained by anything this
-plan identified, and the mechanism this pass traced down to (Path 5 →
-StepSphereDown → EdgeSlideAfterStepDownFailed → PrecipiceSlide's
-no-crossed-edge fallback) is independently confirmed retail-faithful at
-every step, including a fresh byte-level read of `precipice_slide`
-itself.** The remaining candidates, none guessed at here: (a) this
-specific harness (`BuildEngineWithDoorFixture`) may simply not place the
-door's BSP polygons where live retail's did at that exact tick — a
-harness/fixture-geometry gap, not a response-layer code bug — worth
-re-running this same capture through `BuildFaithfulDoorEngine`'s
-Setup-based registration to check whether a REAL BSP hit against the
-door (rather than the seeded generic floor triangle) changes the
-outcome; (b) the seeded `WalkableVertices` triangle itself may not match
-what retail's own walkable-polygon bookkeeping held at that instant
-(a state-capture gap in the original 2026-05-24 live-capture tooling,
-not necessarily an engine bug); (c) a genuinely different upstream
-mechanism not yet traced. Per CLAUDE.md's no-guessing rule, none of
-these is adopted without further evidence — #116 shape-1 stays
-**narrowed, not closed**: the Path-6 fix is a real, independent
-retail-faithfulness improvement, and the original tick-22760 acceptance
-criterion is NOT met by it. See ISSUES.md #116 for the updated status.
diff --git a/docs/research/2026-07-31-269-slope-stop-capture.md b/docs/research/2026-07-31-269-slope-stop-capture.md
deleted file mode 100644
index e48cb9c4..00000000
--- a/docs/research/2026-07-31-269-slope-stop-capture.md
+++ /dev/null
@@ -1,104 +0,0 @@
-# Issue #269 — slope-stop capture and retail correction
-
-**Date:** 2026-07-31
-**Status:** implemented; user live gate passed
-**Scope:** landing-bounce follow-up, `CTransition::validate_transition`
-
-## Symptom
-
-After the retail 5%-elasticity landing reflection was restored for #265,
-the character could retain too much downhill speed after landing on a
-walkable slope. The user described the residual as “slides too far on
-landing.”
-
-## ACDream live capture
-
-`ACDREAM_CAPTURE_PLAYER_QUANTA=` records the local player's
-complete admitted object quantum without changing simulation order:
-
-1. quantum start;
-2. root/PositionManager composition;
-3. pre- and post-`UpdatePhysicsInternal`;
-4. transition result;
-5. final collision-response commit.
-
-The accepted repro contained 2,184 quanta. The clearest landing was:
-
-| Quantum | Event | Velocity |
-|---|---|---|
-| 1740 | final airborne quantum | `(-12.316, 8.187, -26.266)` |
-| 1741 | slope collision, normal `(-0.236, 0.236, 0.943)` | |
-| 1741 post-response | correct 5% reflect | `(-17.391, 13.262, -6.576)` |
-| 1742–1758 | still Contact + OnWalkable, no new collision normal | velocity unchanged |
-| 1759+ | contact relationship changes | friction finally begins decaying |
-
-The reflected velocity had `dot(v, normal) = +1.0252`: it pointed away
-from the slope. Retail `calc_friction` correctly skips while this value is
-at least `0.25`, so friction was not the defect. ACDream was repeatedly
-restoring the remembered slope plane and re-grounding the body without
-performing retail's accompanying velocity stop.
-
-## Retail oracle
-
-Named-retail:
-
-- `CPhysicsObj::check_contact` `0x0050F5B0`
-- `CPhysicsObj::get_object_info` `0x00511CC0`
-- `CTransition::validate_transition` `0x0050AA70`
-- `OBJECTINFO::kill_velocity` `0x0050CFE0`
-
-The exact `validate_transition` order at
-`0x0050AAED–0x0050AB42` is:
-
-1. enter only for a non-OK collision/adjusted/slid result;
-2. if `last_known_contact_plane_valid`, call
- `OBJECTINFO::kill_velocity`;
-3. test the current sphere center against the remembered plane using
- `radius + 0.0002`;
-4. restore the contact plane only when still within that distance;
-5. later, at `0x0050ACFF`, overwrite last-known validity with final
- contact-plane validity.
-
-`OBJECTINFO::kill_velocity` calls
-`CPhysicsObj::set_velocity({0,0,0}, 0)`. ACDream had ported the proximity
-test and plane restore but omitted this call. It also allowed the
-last-known plane to re-ground clean accepted moves, although retail only
-consumes it in the non-OK recovery branch.
-
-## Correction
-
-`Transition.ValidateTransition` now:
-
-- calls `ObjectInfo.StopVelocity()` before the remembered-plane
- proximity/restore test on a non-OK recovery;
-- performs that restore only in the retail branch;
-- overwrites last-known validity from final contact validity, so a clean
- move away cannot be re-grounded from stale memory.
-
-The existing `PhysicsEngine.ResolveWithTransition` consumption of
-`VelocityKilled` applies the zero to the canonical `PhysicsBody` before
-the collision-response tail. The initial 5% landing reflection remains;
-only a following collision recovery performs the retail stop.
-
-## Gates
-
-- New focused pins:
- - collision recovery with a remembered plane kills velocity;
- - clean advance with a remembered plane neither kills nor re-grounds.
-- Full `AcDream.Core.Tests`: 4,107 passed / 2 skipped.
-- Full `AcDream.Runtime.Tests`: 439 passed.
-- `AcDream.App` Release build: 0 warnings / 0 errors.
-- Complete Release suite: 10,061 passed / 5 skipped / 0 failed.
-- User live gate: **PASS** — repeated slope jumps now settle correctly
- (“Perfect! Works great!”).
-
-## Diagnostic tools retained
-
-- `tools/analyze_269_slope_stop_capture.py`
-- `tools/cdb/run-issue269-slope-stop.ps1`
-- `tools/cdb/issue269-slope-stop.cdb`
-
-The cdb runner refuses to attach unless the live retail executable matches
-the Sept 2013 named PDB. The locally installed 2015 retail executable does
-not match; the static named-retail decode above is therefore the retail
-oracle used for this correction.
diff --git a/docs/research/2026-07-31-271-stair-side-slide-capture.md b/docs/research/2026-07-31-271-stair-side-slide-capture.md
deleted file mode 100644
index 1e09b459..00000000
--- a/docs/research/2026-07-31-271-stair-side-slide-capture.md
+++ /dev/null
@@ -1,108 +0,0 @@
-# #271 — Stair-side uphill reversal capture
-
-**Date:** 2026-07-31
-
-**Status:** closed; retail control flow restored and user live gate passed
-
-## Symptom
-
-When the local player ran diagonally uphill while pressing into the side of
-an outdoor staircase, the character could suddenly move backward and rapidly
-slide to the bottom. The symptom was intermittent because it required the
-forward candidate to hit the side wall while the step-down recovery crossed a
-tread edge.
-
-This is not an RDP, render-rate, animation, or gravity symptom. It reproduced
-inside the pure Core collision resolver from one captured input frame.
-
-## Live evidence
-
-The bounded capture is under the ignored local artifact pointer:
-
-`artifacts/issue271-stair-side/LATEST.txt`
-
-It contains 677 local-player physics quanta plus the matching resolver stream.
-The first decisive frame is quantum 310:
-
-```text
-current = (133.03775, 75.53931, 59.608147)
-target = (133.33783, 76.42308, 59.608147)
-input = forward + run
-result = (133.18779, 75.19872, 59.316677)
-normal = (-1, approximately 0, approximately 0)
-```
-
-The X side-wall collision was valid, but the tangential Y component reversed:
-an uphill request of `+0.88377` produced `-0.34059`. Three frames later,
-quantum 313 snapped from Z `59.52598` to terrain Z `58.005`. A second attempt
-reproduced the same family at quanta 479–482, falling from Z `60.96376` to
-`58.005`.
-
-## Retail oracle
-
-Named retail:
-
-- `CTransition::edge_slide` at `0x0050B3D0`
-- current-walkable branch at `0x0050B44A`
-- no-walkable back-probe at `0x0050B458–0x0050B50F`
-- `SPHEREPATH::precipice_slide` at `0x0050CC80`
-
-Retail tests only the current `SPHEREPATH::walkable` pointer. If it is null,
-retail:
-
-1. offsets the failed candidate back to the current sphere center;
-2. runs `step_down` there to rediscover the surface actually under the mover;
-3. restores the failed candidate;
-4. runs `precipice_slide` against the newly discovered polygon; or
-5. returns `COLLIDED_TS` when the back-probe found no walkable polygon.
-
-Retail has no substitution of an older saved walkable polygon in either null
-case.
-
-## ACDream divergence and root cause
-
-`EdgeSlideAfterStepDownFailed` previously called
-`SpherePath.RestoreLastWalkable()`:
-
-- before deciding whether to enter the retail back-probe; and
-- again when the back-probe found no current walkable polygon.
-
-`LastWalkable` is a separate ACDream history used by the still-open
-CliffSlide compatibility path. At a staircase side wall it could describe the
-preceding tread rather than the surface below the current player position.
-Promoting it into the current slot bypassed retail's back-probe.
-`PrecipiceSlide` then projected the failed forward candidate along the stale
-tread edge, producing the backward/downhill displacement seen in the capture.
-
-The fix removes both stale-history promotions from the edge-slide dispatch.
-Current walkable state still takes retail's direct precipice path; absent
-state now always takes retail's current-position back-probe.
-
-## Deterministic regression
-
-`Issue185OutdoorStairsSeamReplayTests` reuses the captured
-`0x01000AC5` staircase collision fixture and the exact quantum-310 position,
-contact plane, movement delta, player flags, and 1.5 m Setup step-down height.
-
-Pre-fix:
-
-```text
-out = (133.187790, 75.346481, 59.430882)
-```
-
-Fixed:
-
-```text
-out = (133.187790, 76.078186, 60.016247)
-```
-
-The regression requires meaningful positive uphill progress and forbids a
-downhill Z displacement. The complete Core Release suite passes 4,108 tests /
-2 skips; the complete Release solution passes 10,062 tests / 5 skips.
-
-## Live acceptance
-
-The user repeatedly ran uphill while pressing into both sides of the affected
-staircase. Movement remained stable and the former rapid downhill reversal did
-not recur. The client then closed through the normal logout path, with ACE
-confirming graceful logout.
diff --git a/docs/research/2026-07-31-atomic-collision-generation.md b/docs/research/2026-07-31-atomic-collision-generation.md
deleted file mode 100644
index f5affecb..00000000
--- a/docs/research/2026-07-31-atomic-collision-generation.md
+++ /dev/null
@@ -1,174 +0,0 @@
-# Atomic collision-generation activation (Slice 3B)
-
-## Retail anchor
-
-Retail hydrates a cell synchronously. `CObjCell::init_objects`
-(`0x0052B420`) visits objects associated with that cell and invokes
-`CPhysicsObj::recalc_cross_cells` (`0x00515A30`). The final position path also
-replaces shadows as one `SetPositionInternal` operation (`0x00515330`). Retail
-therefore never exposes a world where the new cell exists but the objects that
-overlap it still have their old cross-cell set.
-
-Acdream streams a landblock over several update frames. Literal per-cell
-mutation during those frames was not equivalent: the active `PhysicsDataCache`,
-`CellGraph`, `PhysicsEngine`, buildings, static shadows, and retained-object
-refloods changed at different cursors. Collision queries could observe a mixed
-generation, and correctness depended on a later optional landblock callback.
-
-## Ported adaptation
-
-The asynchronous unit is now one Runtime-owned collision generation:
-
-1. `BeginCollisionAdmission` issues the exact Runtime/landblock generation.
-2. `PrepareCollisionGeneration` creates empty private cache, graph, engine, and
- shadow facades and retains the active aggregate root reference in O(1).
- Global immutable GfxObj/Setup catalogs are not copied; the accepted build's
- exact closure is populated by the existing cursors.
-3. Stable
- landblock and logical-owner slot suffixes then materialize each non-target
- cache, CellGraph, engine, and shadow leaf into an empty private root under
- the host's existing frame meter. The 32-resident-landblock gate proves
- admission performs no resident copy and every advance reports at most one
- work unit.
-4. App and Headless publish terrain, EnvCells, topology, buildings, prepared
- collision assets, and target-root static owners only into that private
- generation.
-5. Stable per-prefix owner slots capture every non-suspended owner that touches
- or has a withdrawn repair marker for the target prefix. That includes live
- dynamic owners and statics rooted in an adjacent landblock. Only a
- target-root static is omitted, because the authored replacement supersedes
- it. The scan has a fixed slot suffix and is unaffected by mutations in other
- prefixes. Vacated slots are tombstoned and reused rather than retained for
- the whole session. A single Runtime-scoped versioned journal records each
- mutation once and coalesces repeated changes by logical owner, independently
- of the number of live drafts. After topology sealing, each draft reconciles
- the latest exact state of owners changed during that draft's lifetime one
- owner per seal call. A discovered relevant owner then receives scoped exact
- updates, preserving continuous-motion progress without restoring global
- fanout. A membership transition is routed by the owner's changed landblock
- prefix to the one matching draft, so an owner first entering or leaving the
- target after its global journal slot was visited is still reconciled once.
- During topology construction, a visited unrelated owner retains only a cheap
- coalesced notification; its exact mirror runs later as one metered seal unit
- rather than once per draft on the mutation path. Once the topology seal
- exists, observed owners temporarily write through exactly until same-call
- activation. The finite pre-seal queue therefore drains even when two or more
- unrelated owners mutate before every host step. Slots predating a newer root snapshot are superseded
- by a tail slot, not reused behind live cursors. New drafts begin at their
- captured suffix, obsolete slots compact one visit per seal call, and the
- journal clears when its last draft closes. Unrelated and continuously moving
- owners therefore never restart capture or sealing.
-6. Explicit one-work-unit cursors build the complete replacement before the
- activation frame: requested global collision records, cells/topology,
- buildings, cell graph removals, affected static owners, retained-owner
- states, and removal lists. A late unarmed relevant owner consumes at most
- one refresh unit on a seal call; when that drains the queue an already-built
- seal is immediately ready. Immutable global GfxObj/Setup closure entries are
- preinstalled during these metered steps, not during activation.
-7. Cache, CellGraph, engine-landblock, and shadow topology share one
- `CollisionWorldStateSlot`. `CommitCollisionGeneration` transfers the
- complete off-side aggregate through one volatile reference on the update
- thread, then revokes the staging slot. The public `PhysicsDataCache`,
- `CellGraph`, `PhysicsEngine`, and `ShadowObjectRegistry` facade identities
- stay stable. Warm 256-owner, cold
- first-load, changed EnvCell/building, and new static-bucket gates all measure
- exactly zero managed bytes in final activation. Only afterwards does Runtime
- emit `CollisionGenerationCommitted` and a ready acknowledgement.
-8. Multiple landblocks may prepare concurrently. Preparation order is the
- activation order. Only after an older generation commits is its exact delta
- queued into every later draft. Each additional seal call applies at most one
- cache, CellGraph, synthesized outdoor-cell, engine-landblock, or logical
- owner leaf. Later generations retain their own completed target seal but
- cannot activate before every committed delta drains. Cancelled older drafts
- therefore contribute nothing, final activation performs no peer work, and a
- later root cannot overwrite or expose an older snapshot. Seam-crossing
- statics are forcibly re-evaluated against the later topology. Demotion and
- withdrawal cancel a matching queued or active rebase, suppress that prefix
- in unfinished source scans, and retire one shadow owner, cache/graph leaf,
- authored outdoor cell, or landblock leaf per later seal call before
- activation. Retirement storage is growable rather than coupled to the
- concurrent-preparation limit, and final commit rechecks both pending rebase
- and retirement work after the seal-to-commit gap.
- The host performs the zero-work root transfer in the same update-thread call
- that completes final reconciliation, eliminating a seal-to-next-frame quiet
- window for continuously moving unrelated owners.
-9. GfxObj/Setup closure entries are immutable content-addressed catalog data,
- not world topology. Their metered early installation may survive a cancelled
- generation as ordinary process cache residency; no cell, building,
- landblock, or shadow becomes visible through that catalog alone.
-
-Presentation and no-window hosts use the same Runtime transaction. Network
-workers still enqueue immutable messages and cannot mutate collision or shadow
-state.
-
-## Failure and lifetime rules
-
-- A newer admission invalidates an older prepared generation.
-- Cancellation names one admission and its private staging generation. It can
- never withdraw or demote the active landblock, and cancelling a stale receipt
- cannot invalidate a newer admission.
-- Demotion, withdrawal, reset, and disposal invalidate the admission before
- changing the active generation.
-- Disposing a stale/cancelled prepared generation clears only its private
- engine/cache/shadows.
-- The prior complete generation remains queryable throughout preparation.
-- The commit notification is the future lost-cell-registry seam. Slice 3B does
- not implement `GotoLostCell` or change `SetPosition` recovery behavior.
-
-## Deterministic evidence
-
-The focused Runtime/App tests pin:
-
-- previous terrain/cells/buildings/statics remain visible until commit;
-- exactly one notification after a successful complete activation;
-- stale admission replacement has no active-world side effect;
-- unrelated movement on every capture/seal step never restarts the target;
-- two relevant owners moving on every seal step converge without restarting
- the topology meter and install their latest positions at activation;
-- an authoritative state change on a retained rowless owner updates an
- already-sealed generation without a global restart;
-- a neighboring static whose shadow crossed the seam is restored atomically
- on reload and its withdrawn-prefix marker clears only at activation;
-- a late spawn blocks activation until its one metered refresh; deletion of an
- armed owner writes through directly;
-- Headless faults immediately after admission and after staging preserve the
- prior complete world and leave no collision admission behind;
-- dense sealing consumes at most one work unit per call, while warm 256-owner,
- cold first-load, changed EnvCell/building, and new static-bucket activation
- all allocate zero managed bytes;
-- concurrently prepared landblocks rebase and preserve both terrain roots and
- static-shadow owners across their activation order, with zero-byte final
- commits and revoked staging access;
-- dense 32-landblock admission performs no resident copy, stays within its
- constant allocation envelope, and materializes at most one leaf per advance;
-- cancelled older drafts contribute no topology to later roots, while a live
- owner mutation after the older commit wins over the queued rebase;
-- a newly committed seam-crossing static refloods against the later draft's
- topology before that draft may activate;
-- post-seal arrivals drain one owner per seal call without resetting capture;
-- an unrelated owner entering the target after its journal slot was visited is
- routed by prefix and reconciled in one metered seal unit;
-- target departure and same-ID reuse preserve the exact new-prefix owner rows;
-- unrelated state mutation publishes only after every row changes;
-- unrelated demotion/withdrawal and the live `CurrCell` cannot be resurrected
- or rolled back by a later draft;
-- queued and partially applied peer rebases cannot resurrect a later demoted or
- withdrawn landblock;
-- deleting an outgoing target static before, during, or after staging cannot
- erase an authored same-ID replacement;
-- 10,000 repeated mutations with 32 drafts retain one coalesced journal entry
- and allocate no more than the owner mutation itself;
-- 512 unique changed owners reconcile in exactly 512 metered seal units and
- the final activation still allocates zero managed bytes;
-- compacted journal slots are never reused behind a live cursor, while a
- 4,096-slot obsolete tail retires incrementally and a later draft starts at
- its captured suffix rather than scanning old tombstones;
-- post-seal retirement blocks activation until its cursor drains, and more
- than 256 distinct retirements remain metered and lossless;
-- prefix-owner slots remain bounded under GUID churn and empty containers are
- reclaimed across unique prefixes without invalidating a live seal cursor;
-- graphical and no-window publishers use the same Runtime transaction;
-- removal and terminal teardown converge the active ownership ledger.
-
-This retires divergence row AD-6. The remaining lost-cell state-machine work is
-deliberately outside this slice.
diff --git a/docs/research/2026-07-31-canonical-set-position.md b/docs/research/2026-07-31-canonical-set-position.md
deleted file mode 100644
index af957e30..00000000
--- a/docs/research/2026-07-31-canonical-set-position.md
+++ /dev/null
@@ -1,333 +0,0 @@
-# Canonical retail `SetPosition` — placement/streaming Slice 4A
-
-## Scope
-
-This note pins the pure physics half of the placement/streaming closeout.
-Slice 4A lands the retail placement transaction as a separately testable Core
-mechanism. It deliberately does **not** replace the production snap-only
-resolver yet: Runtime lost-cell ownership and the complete inbound-route
-cutover remain Slice 4B. AP-1 and AD-1 therefore remain active until that
-cutover is complete.
-
-Named-retail oracle, Sept 2013 EoR:
-
-- `CPhysicsObj::SetPosition` `0x005160C0`
-- `CPhysicsObj::SetPositionInternal` `0x00515BD0`
-- `CPhysicsObj::AdjustPosition` `0x00511D80`
-- `CPhysicsObj::CheckPositionInternal` `0x00511E90`
-- `CTransition::find_valid_position` `0x0050C310`
-- `CTransition::find_placement_position` `0x0050C170`
-- `CTransition::find_placement_pos` `0x0050BA50`
-- `CTransition::validate_placement_transition` `0x0050ADC0`
-- `CTransition::validate_placement` `0x0050B210`
-- `CPhysicsObj::ForceIntoCell` `0x00515660`
-- `CPhysicsObj::handle_all_collisions` `0x00514780`
-
-## Retail transaction
-
-```text
-SetPosition(request):
- transition = makeTransition() // GENERAL_FAILURE if none
- init_object(transition, object)
-
- if the PartArray has no spheres:
- init_sphere(1, dummy center=(0,0,0.1), radius=0.1, scale=1)
- else:
- init_sphere(first min(count,2) authored spheres, exact object scale)
-
- if flags & RANDOM_SCATTER (0x200):
- return scatter only
-
- result = SetPositionInternal(request)
- if result != OK and flags & SCATTER (0x100):
- return scatter
- return result
-
-SetPositionInternal(request):
- AdjustPosition(request frame, first sphere, noCreate=(flags & 0x20))
- if no resident cell:
- store the adjusted authoritative frame and enter lost-cell lifetime
- return OK
-
- if the live weenie is Hook, Storage, or Corpse:
- return ForceIntoCell(resident cell, frame)
-
- set do_not_load_cells from flag 0x20
- if !CheckPositionInternal(...):
- handled = handle_all_collisions(...)
- return handled ? COLLIDED : NO_VALID_POSITION
- if transition.curr_cell == null:
- return NO_CELL
- commit the complete transition
- return OK
-```
-
-`AdjustPosition` branches on the claimed cell shape. A direct outdoor claim
-runs pure `LandDefs::adjust_to_outside` normalization before visible-cell
-lookup. An indoor claim first resolves the visible cell and child; only a
-resident indoor cell marked `seen_outside` falls back to outdoor
-normalization. An absent indoor cell (including the `0xFFFF` sentinel) remains
-the exact claimed cell/frame. A map-edge outdoor normalization failure stores
-cell zero with the otherwise unchanged frame. The old `max(terrainZ, z)` lift
-and nearest-in-Z scan do not occur in this canonical mechanism.
-
-`CheckPositionInternal` calls the complete placement transition. Without the
-slide flag, retail accepts the result only when signed
-`resolvedX-requestedX <= 0.0500000007`, the same signed Y condition holds, and
-the cell is unchanged. Z is not part of that predicate. The resolved origin is
-accepted while the requested orientation remains intact.
-
-## Two validators, not one
-
-The similarly named retail helpers have different contracts and stay separate
-in the port:
-
-- `validate_placement_transition` is the inner `find_placement_pos` validator.
- Any non-OK state from `COLLIDED` through `SLID`, when sliding is permitted,
- resets `COLLISIONINFO`; it never retries placement.
-- `validate_placement` is the outer initial/final validator. Only `ADJUSTED`
- or `SLID`, and only while its retry argument is true, performs one
- `placement_insert`; `COLLIDED` neither resets nor retries.
-
-Step-down is disabled only for missiles. For fewer than two spheres retail
-first clamps the requested height to half the radius when the sphere diameter
-is less than or equal to that height. It then performs one full probe when the
-diameter is greater than the resulting height, otherwise two half probes.
-Equality belongs to the two-half-probe branch.
-
-## Modern seam
-
-`PhysicsEngine.SetPosition` returns one immutable
-`PhysicsSetPositionResult`. `SetPositionError` retains the header values
-(`OK=0`, `GENERAL=1`, `NO_VALID=2`, `NO_CELL=3`, `COLLIDED=4`,
-`INVALID_ARGS=0x100`) while `PhysicsResidenceDisposition` separately reports
-`Committed`, `DeferredCell`, or `Unchanged`. Missing content is therefore
-successful-but-deferred, never misreported as a placement failure.
-
-The result carries the complete commit packet: root/cell-local frame,
-contact/walkable/water state, sliding and collision normals, stationary-fall
-counter, a complete immutable `COLLISIONINFO` snapshot for the real
-`handle_all_collisions` callback (including contact/last-contact, sliding,
-collision normal, stationary-fall, environment, adjustment, and object
-fields), the callback result, and an explicit shadow action. A PhysicsBSP or changed-cell force commit
-requests canonical shadow recalculation; a non-BSP transition replaces its
-shadows only when the transition produced a nonempty cell array, otherwise it
-preserves the prior list. Unchanged force placement changes only the frame.
-
-Core never creates cells synchronously, so retail flag `0x20`
-(`DoNotCreateCells`) has no differential loader branch inside this pure
-mechanism. Both flag states can only observe already-published immutable cell
-content and otherwise return `DeferredCell`. Carrying the flag into exact-cell,
-generation-scoped async admission is part of the still-open Slice 4B
-adaptation tracked with AD-2; this slice does not claim a dead SpherePath field
-as exact behavior.
-
-The existing public `Resolve` compatibility entry remains entirely unchanged
-for production movement and zero-delta callers. Its result cannot represent a
-successful-but-deferred residence, so hiding `DeferredCell` inside
-`ResolveResult.Ok` would corrupt the contract. Slice 4B will route every
-authoritative placement family through `SetPosition`, atomically install its
-packet, and own exact lost-cell wakeup/commit.
-
-## Automated oracle
-
-`PhysicsSetPositionTests` pins error values, absent/invalid outdoor and indoor
-claims, cross-landblock frame normalization, map-edge failure and the `0xFFFF`
-sentinel, dummy/authored sphere setup, nonpositive scale, Ethereal seeding,
-explicit-only PathClipped, missile step-down, exact equality schedules, both validators,
-the late compass sample's float bits, signed no-slide behavior, actual
-collision-handler mapping, force-class policy, explicit shadow actions, null
-current-cell wakeup, ten-record scratch exhaustion, exact scatter ordering,
-failed-probe scratch lifetime, and deferred-scatter stop. The legacy public
-Resolve fixture remains unchanged until Slice 4B.
-
-## Slice 4B1 — Runtime residence owner
-
-Slice 4B1 adds the presentation-independent half of the cutover without
-changing a production graphical route yet. `RuntimeSetPositionState` accepts
-an exact entity/position token before graphical DAT preparation, consumes the
-immutable Core result, and commits body, contact, full cell, shadows, object
-clock, and Runtime spatial worksets before publishing one ordered placement
-delta. The delta carries the exact `RuntimeEntityKey`, session lifetime,
-position/spatial/placement versions, adjusted cell, collision generation, and
-optional portal-authority shape. A throwing or unavailable host does not roll
-simulation back: Runtime republishes the same projection token until the
-exact FIFO head is acknowledged. A newer operation changes an already-
-published token to `Discard` and increments its projection revision, so an
-acknowledgement of the previously observed Place/Withdraw cannot consume an
-unseen Discard. It is never silently forgotten. An unacknowledged lost-cell
-Withdraw transfers intact to a replacing accepted operation and remains the
-FIFO head before that replacement may publish Place.
-
-The successful missing-cell path owns retail's residence shape:
-
-```text
-SetPosition -> OK + DeferredCell
- retain adjusted Position and the same PhysicsBody/components
- clear only Active and suspend the object clock
- withdraw Runtime spatial worksets and shadow rows
- retain shadow registration and exact authored mover request
- append parentless root to (exact cell, collision generation)
- arm independent exact-key 25 s deadlines for root + direct children
- publish Withdraw
-
-exact cell generation resident + Withdraw acknowledged
- re-run SetPosition with retained authored spheres and CurrentCellId=null
- atomically install complete result
- publish Place
-```
-
-Lost-cell membership buckets use retail-shaped append plus swap-remove.
-Destruction deadlines use an exact-key hash plus a bounded indexed min-heap,
-the allocation-bounded modern equivalent of retail's hash +
-`PQueueArray` priority owner. Rearm/removal updates the exact heap node;
-there are no stale tombstones. Only committed, current direct children from
-the parent-incarnation ordered CHILDLIST participate; unresolved or future
-relations cannot inherit a deadline. Parent, pickup, delete, GUID
-replacement, newer Position, reset, and disposal cancel the exact incarnation
-and use leave-world semantics rather than a wakeable lost entry. The dormant
-collision-retirement entry parks non-static parentless indoor roots and, for
-complete withdrawal, affected outdoor roots. It performs a complete preflight
-and rejects overlap with any active accepted/host-ack-pending placement before
-mutating one resident. It then installs every affected canonical lost
-residence and operation before publishing the first synchronous Withdraw, so
-an observer re-entering for a later root inherits that root's exact pending
-Withdraw instead of having its newly accepted placement cancelled by the
-retirement loop. 4B2 must quiesce that placement prefix before invoking the
-entry in the same transaction that installs host acknowledgements.
-
-Runtime retains the last accepted prepared mover request, including exact
-off-center/two-sphere payloads, scale, flags, and step values. A cold resident
-with no prepared request still withdraws atomically but remains explicitly in
-`AwaitingPreparation`; it cannot wake through an invented empty-sphere shape.
-Preparation is cached only after Core accepts it as Committed or DeferredCell.
-A rejected/malformed preparation keeps the same accepted token retryable and
-cannot replace the last validated mover used by later collision retirement.
-Runtime's host boundary rejects only non-finite consumed frame/shape values;
-retail-valid oddities such as nonpositive authored scale remain untouched.
-Likewise, a non-deferred wake failure retains the withdrawn body, independent
-25-second lifetime, and exact operation: invalid arguments return to
-AwaitingPreparation and re-index for the next exact generation, while other
-world-placement failures also re-index. The last successful DeferredCell
-result and adjusted frame remain canonical across the failed attempt. No
-failed wake can leave a live entity withdrawn without a Runtime owner. The
-graphical/no-window cutover in 4B2 supplies that exact preparation token.
-
-Retail `CPhysicsObj::SetPositionInternal` (`0x00515BD0`) calls
-`prepare_to_enter_world` (`0x00511FA0`) only when `this->cell == 0`.
-Consequently the physics `update_time` (`PhysicsBody.LastUpdateTime`) and
-active bit are reset only on the cellless-to-world edge. Ordinary same-cell or
-cross-cell in-world SetPosition preserves the already-consumed physics clock;
-entering the lost-cell residence also preserves it until the eventual
-cellless wake commit. Runtime pins both sides and does not inherit the older
-graphical teleport helper's unconditional timer reset.
-
-The wake timestamp is in the Runtime simulation-time domain, never Unix/UTC:
-`GameRuntime` binds its instance `GameRuntimeClock` through the entity/physics
-owner, and RetryDeferred samples `SimulationTimeSeconds`. Standalone Runtime
-fixtures without a bound game clock retain the accepted command time. This is
-a Runtime dependency only; no App delegate enters the owner.
-
-The canonical commit also installs every SetPosition-derived body invariant
-before host publication: Contact/OnWalkable/WaterContact, the current contact
-plane and slope `GroundNormal`, Sliding plus its normal, and the complete
-StationaryFall/Stop/Stuck encoding. Named retail
-`CPhysicsObj::SetPositionInternal(CTransition const*)` (`0x00515330`) copies
-only the transition's current contact plane/water flag, walkability, sliding
-normal/valid flag, and collision state (`0x005153E5–0x005154FE`). It does not
-publish `last_known_contact_plane` or the SpherePath walkable polygon on this
-path, so those ordinary-update-only fields are intentionally absent from the
-immutable SetPosition result and remain unchanged. A zero expected velocity
-version in host preparation preserves the nonzero version captured when the
-operation was accepted; an intervening Vector/Movement therefore suppresses
-only the stale collision-velocity response. A bodyless cancellation terminates
-without fabricating a PhysicsBody or a host Withdraw projection. The two time
-domains remain explicit: `PhysicsBody.LastUpdateTime` consumes the instance
-simulation clock, while `IRuntimeRemotePlacement.LastServerPositionTime`
-remains Unix-UTC receipt time because the remote stale-velocity owner ages it
-against `RuntimePhysicsState.UtcNowSeconds`. A deferred wake therefore cannot
-make fresh authoritative remote velocity appear years old. Runtime preparation
-also applies the existing retail `PositionFrameValidation` before Core or
-prepared-mover caching, and caps synchronous Scatter/RandomScatter work at 64
-attempts; this keeps valid authored retail request shapes while rejecting a
-hostile `uint.MaxValue` loop at the authority boundary.
-
-One authority boundary intentionally remains open for 4B2:
-
-- `RuntimePortalPlacementAuthority` validates immutable token shape only;
- 4B2 must bind it to active `RuntimeWorldTransitState` generation, teleport
- sequence, destination, and host acknowledgement before reveal.
-
-The former collision-report boundary is closed by
-`RuntimeCollisionReportingState`. Runtime now owns retail's exact-key object
-contact table, environment latch, strict ordinary/ethereal expiry, force-end,
-static and `ReportAsEnvironment` routing, reciprocal callback eligibility,
-missile-state clearing, ordered reentrant dispatch, and the report-result
-boolean which distinguishes placement `Collided` from `NoValidPosition`.
-Successful SetPosition commits reporting after Contact/OnWalkable and ground
-callbacks but before its single physical response and shadow reflood. See
-`docs/research/2026-07-31-runtime-set-position-collision-reporting.md`.
-
-### Slice 4B2 checkpoint 1 — public dormant host seam
-
-The first 4B2 checkpoint exposes the dormant receipt owner through
-`RuntimePlacementProjectionChannel`. Graphical and no-window hosts can observe
-the one ordered placement stream, retry the exact immutable pending receipts,
-peek the FIFO head, measure pending debt, and acknowledge only the exact head.
-Mutation and retry calls require the current `RuntimeGenerationToken`; a stale
-generation, stale revision, reordered token, duplicate acknowledgement, or
-reused GUID cannot consume current placement debt. The channel delegates to
-`RuntimeSetPositionState` and `RuntimeEntityObjectEventStream`; it owns no
-second queue, mirror, or rollback path.
-
-Shared local-controller body adoption is deliberately deferred. A reviewed
-prototype that prepared directly on the canonical body was rejected: a
-snapshot/rollback lease cannot safely coexist with reentrant SetPosition,
-remote/projectile binding, deletion/GUID reuse, owner replacement, object-clock
-epoch changes, or disposal. Correct adoption requires either an exclusive
-Runtime transaction integrated with every canonical writer, or off-canonical
-preparation followed by one validated atomic body/controller publication.
-Either choice belongs to the all-route ownership cutover, not this narrow
-dormant-seam checkpoint.
-
-This remains a deliberately non-activating checkpoint. Production spawn,
-Position, projectile, drop/pickup/parent, and portal routes do not submit to
-the dormant SetPosition owner yet. The cutover remains blocked on exact
-ordered Setup spheres/scale/step heights/flags/cell-local preparation,
-presentation-only rebucketing, and placement-prefix quiescence before
-collision retirement. AP-1 and AD-1 remain open until those prerequisites and
-every production route land together.
-
-AD-2 remains the explicit async adaptation: collision readiness can publish in
-a different frame from retail's blocking load. A failed wake is safely re-
-indexed to the next exact generation instead of inheriting retail's
-synchronous assumption. When older unbound survivors meet newer entities
-already indexed into that future generation, Runtime merges them into one
-bucket with the older survivor order first and retains one bucket-order entry.
-AP-1 and AD-1 remain open until 4B2 removes the legacy graphical/headless
-placement paths.
-
-`RuntimeSetPositionStateTests` pins accepted-before-preparation ownership,
-portal-shape rejection, canonical-before-projection ordering, retry and
-reentrant discard, cross-landblock adjusted-cell park/wake, same-body
-identity, retained contact/water/sliding/velocity, exact generation gating,
-authored two-sphere retention, cold preparation, bounded priority-deadline
-rearm/cancel, zero-allocation empty ticks, independent ordered direct-child
-deadlines, actual collision-admission supersession/invalidation, missing exact
-indoor-cell generation rebind/wake, collision demotion/withdrawal preflight,
-failed-wake retry, malformed-preparation retry without cache poisoning,
-simulation-clock-domain wake, velocity-version preservation, derived body-bit
-writeback, immediate remote-velocity survival across the simulation/UTC clock
-boundary, invalid cell/frame/quaternion and extreme-scatter rejection before
-Core/caching, bodyless cancellation, newer Position/pickup/parent/delete, GUID
-reuse, reset, and complete index/node terminal convergence. Existing zero-
-allocation collision-generation gates remain unchanged on the no-deferred
-fast path.
-
-The warmed immediate commit/ack route currently measures exactly **1,880
-managed bytes per operation** in the Release Runtime test host (1,000
-iterations after 64 warmups); the regression gate caps it at 2,048 bytes.
-This dormant-path result is an explicit 4B2 activation blocker rather than a
-claim of allocation-free production readiness: 4B2 must either pool/remove
-the operation and projection envelopes or record an approved measured budget
-before routing frame-frequency placement through this owner.
diff --git a/docs/research/2026-07-31-cell-availability-semantics.md b/docs/research/2026-07-31-cell-availability-semantics.md
deleted file mode 100644
index 979dfbe9..00000000
--- a/docs/research/2026-07-31-cell-availability-semantics.md
+++ /dev/null
@@ -1,92 +0,0 @@
-# Retail cell availability and containment-root validation — 2026-07-31
-
-## Scope
-
-This note closes divergence rows AD-3 and AD-4. It does not begin AD-6's
-atomic streaming-generation work.
-
-The corrected port distinguishes these states:
-
-1. no visible cell payload is loaded;
-2. a malformed raw/prepared payload has no containment root;
-3. a loaded CellStruct has a valid authored containment root (its physics root
- may independently be absent).
-
-Only (3) is published. State (1) remains unavailable and retryable. State (2)
-is quarantined atomically so a later valid hydration can retry; it must not
-become a world-wide containing cell.
-
-## Installed-data audit
-
-The complete installed EoR catalog and matching prepared package were audited
-before choosing this invariant:
-
-- enumerated EnvCells: **729,888**;
-- raw: 0 missing EnvCells, 0 missing Environments, 0 missing CellStructs,
- 0 null `CellBSP` objects, **0 null `CellBSP.Root`**, 729,888 valid roots;
-- prepared `acdream.pak`: 0 missing aliases, 0 corrupt payloads,
- **0 `ContainmentBsp.RootIndex < 0`**, 729,888 valid roots;
-- 6,940 raw EnvCells have zero portals, so the retail portal-pointer guard is
- a real catalog path rather than dead defensive code.
-
-There are therefore no root-null record IDs to preserve in either source.
-
-## Retail oracle
-
-`CObjCell::find_cell_list @ 0x0052B4E0` in
-`docs/research/named-retail/acclient_2013_pseudo_c.txt:308742` establishes the
-availability gates:
-
-- `CEnvCell::GetVisible` / `CLandCell::GetVisible` resolves the active seed at
- `0x0052B50C..0x0052B515`;
-- the outdoor branch still calls `CLandCell::add_all_outside_cells` at
- `0x0052B53F`, even when that seed lookup returned null;
-- the complete growing-array transit walk and containing-cell pick are gated
- by `seed != null && num_spheres != 0` at `0x0052B576`;
-- each later candidate is independently skipped when its stored cell pointer
- is null at `0x0052B58E`.
-
-`CEnvCell::point_in_cell @ 0x0052C300` first returns false when
-`this->portals == 0`, then transforms the point and calls
-`CCellStruct::point_in_cell`.
-
-`CCellStruct::point_in_cell @ 0x005338F0` calls
-`BSPTREE::point_inside_cell_bsp @ 0x005398C0`, which immediately invokes
-`BSPNODE::point_inside_cell_bsp(this->root_node, ...)`. The BSP node method at
-`0x0053C1F0` dereferences `this` before walking positive children. Only a
-missing **positive child below a valid root** is the inside terminal case. A
-missing root is not.
-
-## Ported behavior
-
-- `PhysicsDataCache` publishes graph, collision, and prepared records only
- after a valid raw/prepared containment root is present. A missing physics
- root is retained as a valid non-colliding cell. Invalid containment
- publication changes no cache, so later hydration can retry.
-- `CollisionTraversal.HasCellContainment` tests `Root` / `RootIndex`.
-- Both raw and prepared `EnvCell.PointInCell` paths apply the zero-portals
- guard before containment. `CellTransit` applies the same guard to its
- `CellPhysics` representation.
-- `CellTransit.BuildShadowCellSet` still seeds all overlapped outdoor cells,
- but skips the transit walk when the active outdoor seed cannot be resolved
- from `CellGraph`. Every later outdoor candidate independently resolves via
- `GetVisible` before building transit, so a stale building cannot promote an
- object through an unavailable adjacent landcell.
-- The existing reflood lifecycle remains the recovery mechanism. Once terrain
- or a valid indoor CellStruct publishes, the next reflood walks the authored
- portal/building relationships without reconstructing a different rule.
-
-## Gates
-
-Focused tests cover raw/prepared rootless quarantine and valid retry, valid
-containment with missing physics, raw/prepared zero-portal parity, indoor and
-outdoor seeds, preservation of outside-cell seeding, per-candidate adjacent
-landcell availability, suppression of stale-building promotion, and
-hydration/reflood recovery. The corrective checkpoint passes:
-
-- focused cell-availability suite: **54/54**;
-- Core Release: **4,165 passed / 1 skipped**;
-- Runtime Release: **440/440**;
-- App Release: **4,002 passed / 3 skipped**;
-- complete Release solution: **10,122 passed / 4 skipped**;
-- `dotnet build AcDream.slnx -c Release`: **0 warnings / 0 errors**.
diff --git a/docs/research/2026-07-31-issue273-tight-gap-support.md b/docs/research/2026-07-31-issue273-tight-gap-support.md
deleted file mode 100644
index 7ee1c305..00000000
--- a/docs/research/2026-07-31-issue273-tight-gap-support.md
+++ /dev/null
@@ -1,95 +0,0 @@
-# Issue #273 — Holtburg tight-gap support validation
-
-**Date:** 2026-07-31
-**Status:** implementation, automated gates, and exact live gate pass
-**Scope:** grounded player step-down support at a floor edge beside a static
-cylinder
-
-## Captured scene
-
-The reproducible gap is in outdoor cell `0xA9B40032`, between:
-
-- building shell GfxObj `0x01000F69`, placed at
- `(158.178, 37.7055, 94.0)` with quaternion
- `(w=.939319, x=0, y=0, z=-.343045)`;
-- static post `0xCA9B4027`, placed at `(160.173, 34.487, 95.975)`,
- represented by its Setup-authored cylinder (`radius=.282`,
- `height=5.564`);
-- the local player Setup's exact two spheres (`radius=.48`, origins
- `z=.475` and `z=1.35`).
-
-The building's supporting ledge terminates at local `x=4`. The first
-post-side response moved the player's foot-sphere center to approximately
-local `x=4.33`. The full `.48` movement sphere still overlapped the floor, so
-the existing step-down path accepted the candidate. Repeated frames then
-carried the player around the post and outside the building shell.
-
-The fixture
-`tests/AcDream.Core.Tests/Fixtures/issue273/0x01000F69.gfxobj.json` preserves
-the installed DAT PhysicsBSP. The replay in
-`Issue273HoltburgTightGapReplayTests` uses the captured object placement,
-player spheres, static posts, and movement offsets.
-
-## Retail mechanism
-
-The missing rule is not extra collision padding and is not a larger player
-sphere. It is retail's second-stage support validation:
-
-1. `CTransition::step_down` (`0x0050B2A0`) performs the ordinary downward
- collision probe.
-2. After finding a walkable contact plane, an EdgeSlide mover that is not in
- StepUp calls `CTransition::check_walkable` (`0x0050AFF0`). The binary
- sequence is `test ah,2` at `0x0050B36A`, which is state bit `0x200`
- (`EdgeSlide`), followed by the `step_up == 0` test and call at
- `0x0050B380`.
-3. `CTransition::check_walkable` first calls
- `SPHEREPATH::check_walkables` (`0x0050C3E0`).
-4. `SPHEREPATH::check_walkables` halves the saved foot-sphere radius and
- calls `CPolygon::check_walkable` (`0x00538E60`).
-5. If the remembered polygon does not support that smaller sphere,
- `CTransition::check_walkable` performs a downward CheckWalkable insertion.
- BSP leaves require both `walkable_hits_sphere` and
- `CPolygon::check_small_walkable` (`BSPLEAF::hits_walkable`,
- `0x0053D670`).
-6. If neither check finds support, `CTransition::step_down` rejects the
- candidate and the existing edge-response chain handles it.
-
-ACDream already had the small-radius BSP-leaf test, but
-`DoCheckWalkable` treated the mere presence of a remembered polygon as
-success, and the ordinary `DoStepDown(..., runPlacement:false)` path never
-called it. This let a full-radius overlap stand in for actual foot support.
-
-## Port
-
-- `BSPQuery.CheckWalkableSupport` is the shared resolved-polygon form of
- retail `CPolygon::check_walkable`.
-- `SpherePath.CheckWalkables` implements the retail half-radius remembered
- polygon check without mutating canonical sphere state.
-- `Transition.DoCheckWalkable` now tests the remembered polygon rather than
- treating a non-null polygon as sufficient.
-- `Transition.DoStepDown` restores the EdgeSlide/non-StepUp support gate
- before the existing placement-policy seam.
-
-There are no location checks, object IDs, guessed radii, widened collision
-shapes, or gap-specific tolerances in the production fix.
-
-## Regression impact
-
-The existing #271 staircase-side replay begins with its center `.288 m`
-outside a tread whose retail half-radius support boundary is `.24 m`.
-Retail may therefore stop that exact candidate. The test now preserves the
-original user-visible invariant—never reverse or accelerate downhill—without
-requiring forward progress beyond retail's support boundary. The ordinary
-continuous staircase replay still requires and achieves forward progress.
-
-## Gates
-
-- issue #273 fixture/replay: 3 passed;
-- focused BSP, step-up, edge-slide, #185/#271 family: 42 passed / 1 skipped;
-- complete Core tests: 4,111 passed / 2 skipped;
-- Release solution build: passed;
-- complete Release solution tests: 10,068 passed / 5 skipped.
-
-The user accepted the exact in-client Holtburg gap gate on 2026-07-31: the
-gap blocks from the tested approach, and the adjacent movement checks remain
-healthy.
diff --git a/docs/research/2026-07-31-remaining-physics-campaign-handoff.md b/docs/research/2026-07-31-remaining-physics-campaign-handoff.md
deleted file mode 100644
index ac3cd0d5..00000000
--- a/docs/research/2026-07-31-remaining-physics-campaign-handoff.md
+++ /dev/null
@@ -1,497 +0,0 @@
-# Remaining physics-divergence campaign handoff — 2026-07-31
-
-> **Checkpoint 2 update:** Slice 4B2 prerequisite A, Runtime SetPosition
-> collision-report ownership, is implemented in the next checkpoint. Continue
-> with the dedicated
-> [`runtime SetPosition collision-reporting handoff`](2026-07-31-runtime-set-position-collision-reporting-handoff.md),
-> not the prerequisite-A instructions preserved below as historical context.
-
-## Purpose and stopping point
-
-This is the deliberate handoff boundary requested after placement Slice 4B2
-checkpoint 1. The repository is stopped before any production graphical or
-headless route submits to the canonical Runtime SetPosition owner.
-
-The completed foundation is useful and tested, but the overall campaign is
-**not complete**. AP-1 and AD-1 remain narrowed/open. AP-22 and AD-10 remain
-open. Do not retire those rows until their exact automated and connected gates
-pass.
-
-### Exact workspace
-
-- Worktree: `C:\Users\erikn\.codex\worktrees\af5e\acdream`
-- Branch: `codex/port-claude-agents`
-- Handoff code checkpoint: `270f5154`
- (`feat(runtime): expose dormant placement receipts`)
-- Immediately preceding residence-owner checkpoint: `4c02ac42`
- (`feat(runtime): own deferred set-position residence`)
-- Pure Core SetPosition checkpoint: `e84a388e`
- (`feat(physics): port canonical retail set-position core`)
-- No upstream is configured for this worktree branch.
-- Remotes:
- - `origin`: `https://git.snakedesert.se/erik/acdream.git`
- - `github`: `git@github.com:eriknihlen/acdream.git`
-
-The handoff was written in this same worktree. The next agent should continue
-there rather than creating a different worktree unless the user explicitly
-requests it.
-
-## Worktree hygiene
-
-The worktree intentionally reports unrelated modifications. Preserve them.
-Never use `git add -A`, `git reset --hard`, or checkout/revert commands against
-these paths.
-
-At the checkpoint, `AGENTS.md` has a real unrelated content diff. The following
-paths report modified due to existing line-ending/stat noise but have no
-content diff against the index:
-
-- `src/AcDream.App/Input/PlayerModeController.cs`
-- `src/AcDream.App/Interaction/PlayerInteractionMovementSink.cs`
-- `src/AcDream.App/Rendering/LiveAnimationPresentationContext.cs`
-- `src/AcDream.App/World/LiveEntityRuntime.cs`
-- `src/AcDream.Core/Physics/CellArray.cs`
-- `src/AcDream.Core/Physics/PhysicsBody.cs`
-- `src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs`
-- `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs`
-- `src/AcDream.Runtime/Physics/RuntimePhysicsState.cs`
-- `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs`
-- `tests/AcDream.App.Tests/World/LiveEntityRuntimeTests.cs`
-- `tests/AcDream.Core.Tests/Physics/CellTransitTests.cs`
-- `tests/AcDream.Core.Tests/Physics/Issue133DungeonTeleportPrefixTests.cs`
-- `tests/AcDream.Runtime.Tests/Gameplay/PlayerMovementControllerTests.cs`
-- `tools/A8CellAudit/A8CellAudit.csproj`
-
-Before every commit, stage exact paths and inspect:
-
-```powershell
-git diff --check
-git diff --cached --check
-git diff --cached --stat
-git status --short
-```
-
-## What is complete
-
-### Campaign baseline and issue #273
-
-- `c24bc571` — retail StepDown support-radius behavior for tight gaps.
-- `10b55d74` — tight-gap controls and diagnostics.
-
-### Retail retry and edge/StepDown dispatcher
-
-- `e5f855ac` — nested per-cell collision retries.
-- `67d1e9b3` — refreshed-cell retry state.
-- `4ca7230b` — retained cell across inner retries.
-- `c559c48d` — retail edge-response ordering.
-- `4fbd93ec` — edge-slide stop semantics.
-- `1fd5da67` — StepDown placement validation.
-- `acec33ec` — StepDown probe state.
-- `75b6f6b6` — Path-6 collision response.
-- `d3c0d9ec` — TS-4 production chronology gate.
-
-These retire AP-3, AP-4, AP-5, AD-53, AD-54, and TS-4 under the tests and
-research already recorded in the divergence register.
-
-### Exact cell availability and atomic collision generations
-
-- `7716c2ee` — retail cell-availability semantics.
-- `3e0f3b62` — containment-root validation.
-- `be94bc9b` — atomic collision-generation activation.
-- `d94145e6` — seal before activation.
-- `6b28ff99` — starvation-free activation.
-
-These retire AD-3, AD-4, and AD-6. The active collision world remains visible
-until a complete replacement generation is atomically committed.
-
-### Canonical SetPosition Core and Runtime residence owner
-
-- `e84a388e` ports the pure Core SetPosition transaction.
-- `4c02ac42` adds `RuntimeSetPositionState`, including:
- - exact accepted operation ownership;
- - canonical body/contact/cell/shadow/workset commit;
- - authored mover retention;
- - exact-cell and collision-generation wake;
- - 25-second root/direct-child lost-cell lifetime;
- - bounded indexed deadline structures;
- - revisioned ordered Withdraw/Place/Discard host receipts;
- - cancellation/GUID-reuse/reset/disposal convergence;
- - structural cell/quaternion validation and bounded scatter work.
-- `270f5154` adds `RuntimePlacementProjectionChannel`, a public,
- generation-gated host seam over the one existing receipt owner:
- - subscribe to ordered immutable receipts;
- - peek the exact FIFO head;
- - retry pending receipts without recommitting Runtime state;
- - acknowledge only the exact current FIFO-head token;
- - observe pending receipt debt.
-
-The channel owns no second queue and has no App or Headless production
-consumer. A source guard pins that dormancy. This is intentional.
-
-### Validation at the stopping point
-
-The final channel-only checkpoint passed:
-
-- Release solution build: 0 errors, 18 existing warnings.
-- Complete Release suite: 10,279 passed, 4 skipped, 0 failed.
-- Runtime SetPosition focused tests: 47/47.
-- App dormancy/ownership guards: 3/3.
-- `git diff --check`: clean.
-- Retail-conformance re-review: clean.
-- Architecture/adversarial re-review: clean.
-
-## Rejected prototype — do not resurrect it
-
-A prototype made graphical and headless `PlayerMovementController` instances
-borrow the canonical `RuntimeEntityRecord.PhysicsBody` immediately and used a
-snapshot/rollback lease to recover from late construction failures. It was
-fully removed before `270f5154`.
-
-The design was rejected because it was failure-atomic only without
-reentrancy. While the lease was open, a nested SetPosition, remote/projectile
-bind or update, deletion/GUID replacement, object-clock epoch change, or
-disposal could establish newer authority. The outer rollback could then erase
-that newer commit or detach a body already used by another canonical owner.
-
-The next implementation must use one of these complete solutions:
-
-1. A Runtime-owned exclusive/versioned controller/body publication
- transaction respected by **every** canonical body writer, binding path,
- SetPosition operation, clock epoch transition, deletion, reset, and
- disposal; or
-2. Off-canonical preparation followed by one validated atomic Runtime commit
- that publishes the prepared controller/body relationship without copying
- stale state over newer authority.
-
-Because every writer must participate, this belongs to the atomic production
-route cutover. Do not reintroduce a local snapshot lease or a Commit method
-that merely checks the body reference at the end.
-
-## What remains — required execution order
-
-### Slice 4B2 prerequisite A — real collision-report ownership
-
-`RuntimePhysicsState.HandleSetPositionCollisions` still returns `false`.
-Retail `CPhysicsObj::SetPositionInternal` (`0x00515330`) returns the real
-per-object report/tracking result. Establish the Runtime owner for that result
-and return it exactly. Do not restore the former environment/object-presence
-guess.
-
-Required tests:
-
-- report/no-report objects;
-- collided object set ordering and lifetime;
-- reentrant deletion/reset;
-- graphical/headless equality;
-- no report state surviving GUID reuse.
-
-### Slice 4B2 prerequisite B — exact authored mover preparation
-
-Every production preparation must pass the full SetPosition request using:
-
-- Setup's exact ordered authored spheres;
-- exact scale, including valid zero/presence semantics;
-- exact StepUp and StepDown heights;
-- exact flags;
-- exact cell-local frame and orientation;
-- current position/vector/state authority versions.
-
-Do not reconstruct a cylinder from visual radius/height, clamp a positive
-scale, use the projectile mover as a generic object fallback, or pre-mutate
-`FullCellId`, `PhysicsBody`, `WorldEntity`, App buckets, or shadows.
-
-### Slice 4B2 prerequisite C — atomic local controller/body publication
-
-Implement the complete transaction described in the rejected-prototype note.
-Graphical and no-window controllers must end with the exact same Runtime body,
-but construction cannot expose or mutate canonical state before the validated
-atomic commit.
-
-Adversarial gates must include:
-
-- nested construction;
-- reentrant SetPosition;
-- remote and projectile binding/update;
-- deletion and same-GUID new incarnation;
-- projection-owner replacement;
-- object-clock epoch change;
-- reset and disposal;
-- commit and rollback after replacement;
-- late graphical camera/shadow/host failure;
-- late headless prepared-collision failure.
-
-### Slice 4B2 prerequisite D — presentation-only host projection
-
-Add one graphical and one headless `IRuntimePlacementObserver` using
-`GameRuntime.Placements`.
-
-Host receipt rules:
-
-- `Withdraw`: remove render/spatial presentation, picking, radar, audio, and
- targeting while retaining logical Runtime ownership.
-- `Place`: project only the immutable Runtime-committed frame, then
- acknowledge the exact token.
-- `Discard`: discard the older projection revision, then acknowledge it.
-- A host exception or unavailable backend does not roll Runtime back; retry
- the same FIFO head.
-
-`LiveEntityRuntime.RebucketLiveEntity` must become presentation-only. Its
-current `CommitRebucket` call is a second spatial authority and must be removed
-as part of the same cutover.
-
-### Slice 4B2 prerequisite E — collision-prefix quiescence
-
-Before landblock collision demotion, removal, or replacement:
-
-1. quiesce the prefix;
-2. drain/ack the existing placement receipt prefix;
-3. call `RuntimeSetPositionState.ParkCollisionResidents`;
-4. commit/withdraw the collision generation atomically;
-5. wake only exact cell+generation residents.
-
-Cover `LandblockPhysicsPublisher.DemoteToTerrain`, `RemoveLandblock`,
-replacement commit, and the headless collision-retirement path. No partially
-observable collision generation is allowed.
-
-## Production route cutover
-
-Cut routes only after all prerequisites above are present. The canonical chain
-for every route is:
-
-```text
-wire acceptance
- -> BeginAcceptedPlacement exact token
- -> exact DAT/Setup preparation
- -> Runtime SetPosition canonical commit or deferred residence
- -> immutable host projection receipt
- -> exact host acknowledgement
-```
-
-### 1. Initial login and CreateObject
-
-Current duplicate authority:
-
-- `DatLiveEntityProjectionMaterializer.MaterializeProjection` immediately
- positions/rebuckets the world entity.
-- `PlayerModeController.BuildControllerAndCamera` builds its own body and runs
- `Resolve`/`ResolvePlacement`.
-- Headless performs its own initial resolve/placement/body construction.
-
-Required order:
-
-1. register identity cellless;
-2. begin initial/remote-create placement before hydration;
-3. load exact Setup mover;
-4. prepare the atomic Runtime controller/body relationship;
-5. submit canonical SetPosition;
-6. publish presentation only from `Place`;
-7. acknowledge, then enable player mode/simulation.
-
-Tests: outdoor/indoor login, unavailable destination then exact-generation
-wake, malformed or delayed Setup, one body identity, one enter-world clock
-reset, no early visible entity, graphical/headless identical snapshots.
-
-### 2. Local ForcePosition
-
-Delete the placement authority in `LocalForcePositionTransaction` and the
-direct `BlipPosition`/pre-commit acknowledgement in
-`LiveEntityNetworkUpdateController.OnPosition`.
-
-Required order: accept timestamp and preserve heading; begin
-`LocalAuthoritative`; canonical SetPosition; host `Place` acknowledgement;
-then send the outbound Position acknowledgement. A missing destination cell
-must not acknowledge ACE early.
-
-Tests: same/cross cell, preserved heading/velocity, missing-cell wake,
-reentrant newer Position, stale host ack, exactly one outbound ack.
-
-### 3. Portal transit and materialization
-
-Remove placement authority from `LocalPlayerTeleportPlacement.Place` and its
-direct resolve/controller/world-entity/rebucket/spatial mutations.
-
-Bind a Runtime portal-placement authority to the active
-`RuntimeWorldTransitState` reveal generation, teleport sequence, exact
-destination cell, and placement token. Readiness permits submission only.
-Materialization and simulation release happen only after canonical commit,
-host projection, and exact acknowledgement. Cancellation/replacement produces
-`Discard`; a stale generation/sequence/cell/token can never reveal.
-
-Tests: `/ls`, spell recall, ordinary portal, same-location revisit, missing
-destination, cancelled/replaced reveal, host throw/retry, no early world reveal
-or LoginComplete.
-
-### 4. Remote CreateObject and Position
-
-Delete `RemoteTeleportController`, `RemoteTeleportPlacement`, their pending
-dictionary/rollback/lost-cell ownership, and pre-placement
-`WorldEntity.SetPosition`/rebucket calls.
-
-Preserve retail `MoveOrTeleport` classification:
-
-- fresh Teleport timestamp or cellless body: teleport hook then SetPosition;
-- ordinary nearby grounded update: interpolation remains;
-- distant update: stop interpolation then SetPosition.
-
-Accept the timestamp, begin the exact token before hydration/body/App changes,
-unparent first, run the retail teleport hook when required, submit the exact
-mover, project after Runtime commit, then re-arm constraints.
-
-Tests: visible/hidden/parented CreateObject, first Position, Teleport timestamp,
-near interpolation, >96 m far placement, unloaded indoor destination, racing
-velocity, delete/GUID reuse during host callback.
-
-### 5. Projectile authoritative create/corrections
-
-Remove authoritative placement from App `ProjectileController` and the direct
-SnapToCell/cell/shadow commit in `RuntimeProjectilePhysicsUpdater`.
-
-Use `ProjectileAuthoritative` with the same Runtime body and exact projectile
-Setup sphere for initial create and authoritative corrections. Preserve
-prediction/component/effect identity. Do not route ordinary per-quantum
-projectile integration through SetPosition.
-
-Tests: arrow, bolt, spell projectile, mid-flight correction, unloaded cell,
-landblock crossing, delete during ack, no duplicate body/projectile/effect.
-
-### 6. Drops and unparent-to-world
-
-`InventoryWorldDropProjectionController.TryRecoverUnknownPosition` may create
-the logical object, but it must enter the same canonical create-placement
-transaction. Do not expose a stale source position or replay create-time
-effects.
-
-Tests: whole item, split stack, new GUID, second drop position, attached child
-becoming a world root, unavailable destination, newer Position while waiting.
-
-### 7. Pickup, Parent, and Delete
-
-Runtime hooks already exist in `RuntimeEntityObjectLifetime`, but the route
-cutover must ensure pickup/parent/delete cancel the exact active
-placement/lost-cell family first and publish `Discard`/`Withdraw` before the
-later entity/inventory delta.
-
-Tests: pickup during preparation/deferred residence, parent during pending
-withdrawal, delete during host callback, GUID reuse, reset/disposal ownership
-convergence.
-
-### 8. Headless parity
-
-Delete the independent resolve/placement/direct SetPosition and Blip logic in
-`HeadlessSessionWorldProjection`. Headless must prepare/commit/ack through the
-same Runtime operations as graphical presentation. Portal completion also
-waits for the exact placement acknowledgement.
-
-Tests: byte-identical login, ForcePosition, portal, missing-cell wake,
-reconnect, and teardown snapshots.
-
-## AP-22 — retail-authored collision shapes
-
-After AP-1/AD-1 production cutover is stable:
-
-- Make `ShadowShapeBuilder` the single Core authority for prepared Setup
- primitives.
-- Preserve authored cylinder order.
-- If no cylinders exist, preserve authored spheres as spheres.
-- Mixed data uses retail cylinder-first precedence.
-- A truly shapeless Setup emits no world shadow.
-- Remove `Setup.Radius/Height` collision synthesis, `Radius * 2` height guesses,
- and sphere-to-cylinder coercion.
-- Cut graphical static, headless static, and live-entity publication over
- together.
-- Do not alter transition dummy spheres, sticky/range radius, or projectile
- mover shapes.
-
-Automated gates: raw/prepared parity, cylinder order, sphere-only, mixed,
-shapeless, scale, graphical/headless equality, representative installed DATs,
-and dropped/portal/sign/door behavior.
-
-## AD-10 — canonical remote slope projection
-
-After AP-22:
-
-- Prove remote movement uses the full `ResolveWithTransition` sweep.
-- Remove terrain-normal preprojection from `RemoteMotionCombiner`.
-- Remove Runtime terrain-normal sampling calls and delete the sampler if no
- longer used.
-- Let `CTransition::adjust_offset` project against the retained actual contact
- plane.
-- Preserve interpolation queues, correction replacement, Hidden behavior,
- network cadence, and graphical/headless parity.
-
-Tests must deliberately make terrain normals disagree with BSP/prop contact
-normals, then cover uphill/downhill motion, seams, stairs, jumping, landing,
-queue-empty/head-reached boundaries, and two-client observation.
-
-## Closeout gates
-
-Do not mark the campaign complete from narrow tests alone.
-
-Automated:
-
-```powershell
-dotnet build AcDream.slnx -c Release
-dotnet test AcDream.slnx -c Release --no-build --nologo
-```
-
-Also run every focused fixture named in the campaign plan: #273 tight gap,
-#271 stair side, #269 slope, #265 landing, #185 stairs, #137 sliding normal,
-#116 head collision, roof/cellar wedge, missing-cell, generation replacement,
-GUID reuse, graphical/headless parity, and allocation/quiescence gates.
-
-Connected/visual:
-
-- login and portal arrival at outdoor, indoor, dungeon, stair-lip, and world
- edge locations;
-- repeated `/ls`, spell recall, ordinary portals, same-location revisit, and
- reconnect;
-- no early world reveal, outdoor demotion, floor snap, terrain-Z lift, or void;
-- tight gaps, stairs, steep roofs, ledges, doors, crowds, shallow water, and
- landblock seams;
-- dropped objects, portals, signs, doors, and shapeless decorations;
-- two-client uphill/downhill movement and sloped props;
-- headless/graphical trace equality and graceful zero-residue teardown.
-
-Only then retire AP-1, AD-1, AP-22, and AD-10, update the architecture,
-divergence register, campaign/roadmap/milestones, research notes, durable
-memory, `CLAUDE.md`, and `AGENTS.md`, and record final rollback SHAs.
-
-## Review procedure for every remaining behavior commit
-
-1. Implement one bisectable mechanism and run focused tests.
-2. Run a retail-conformance reviewer against named retail symbols/addresses.
-3. Run an architecture/adversarial reviewer against reentrancy, stale
- sequences, malformed data, GUID reuse, streaming replacement, host failure,
- reset, and disposal.
-4. Fix every confirmed finding at its root cause.
-5. Re-run the same reviewers until clean.
-6. Run Release build plus the complete Release test suite.
-7. Update the divergence/docs in the same behavior commit.
-8. Stage exact paths only and commit.
-
-## Rollback points
-
-Newest first:
-
-```powershell
-git revert 270f5154 # dormant public placement receipt channel
-git revert 4c02ac42 # Runtime SetPosition/lost-cell residence owner
-git revert e84a388e # pure Core retail SetPosition transaction
-```
-
-Earlier campaign commits are individually bisectable and listed in the
-completed sections above. Revert only the responsible mechanism; do not
-restore the rejected snapshot lease or revive legacy compensation elsewhere.
-
-## First action for the next agent
-
-1. Read this file completely.
-2. Read `docs/research/2026-07-31-canonical-set-position.md` and the AP-1/AD-1
- rows in `docs/architecture/retail-divergence-register.md`.
-3. Confirm `HEAD` contains `270f5154` in the exact worktree above.
-4. Confirm only `AGENTS.md` has a real unrelated unstaged diff.
-5. Implement prerequisite A (real Runtime collision-report ownership) as its
- own reviewed commit.
-6. Then design prerequisites B/C together so exact mover preparation and the
- atomic controller/body transaction cannot create another partial ownership
- state.
diff --git a/docs/research/2026-07-31-runtime-set-position-collision-reporting-handoff.md b/docs/research/2026-07-31-runtime-set-position-collision-reporting-handoff.md
deleted file mode 100644
index fd8276d2..00000000
--- a/docs/research/2026-07-31-runtime-set-position-collision-reporting-handoff.md
+++ /dev/null
@@ -1,245 +0,0 @@
-# Runtime SetPosition collision-report ownership handoff - 2026-07-31
-
-## Purpose and exact stopping point
-
-This handoff records placement Slice 4B2 checkpoint 2: the isolated Runtime
-owner for retail SetPosition collision tracking and report-result semantics.
-The checkpoint intentionally stops before authored mover preparation, shared
-local-controller body publication, graphical/headless placement projection,
-collision-prefix quiescence, or any production SetPosition route cutover.
-
-Production behavior is therefore unchanged by this checkpoint. The new owner
-is populated only by the dormant `RuntimeSetPositionState` and focused tests.
-AP-1 and AD-1 remain narrowed/open; AP-22 and AD-10 remain open.
-
-## Exact workspace
-
-- Worktree: `C:\Users\erikn\.codex\worktrees\af5e\acdream`
-- Branch: `codex/port-claude-agents`
-- Starting checkpoint: `ec627c13`
- (`docs(physics): hand off remaining divergence campaign`)
-- This handoff belongs to the same behavior commit as the implementation.
-- No upstream is configured for this worktree branch.
-- Remotes:
- - `origin`: `https://git.snakedesert.se/erik/acdream.git`
- - `github`: `git@github.com:eriknihlen/acdream.git`
-
-Continue in this worktree unless the user explicitly requests otherwise.
-`AGENTS.md` has an unrelated pre-existing content diff and must not be staged,
-restored, or rewritten as part of this checkpoint. Several other paths report
-line-ending/stat noise without a content diff; stage only the exact paths
-listed in the final commit.
-
-## Retail oracle
-
-The complete readable oracle is
-[`2026-07-31-runtime-set-position-collision-reporting.md`](2026-07-31-runtime-set-position-collision-reporting.md).
-The named-retail anchors are:
-
-- `CPhysicsObj::report_object_collision_end` `0x00510A90`
-- `CPhysicsObj::report_environment_collision` `0x00512FC0`
-- `CPhysicsObj::report_object_collision` `0x00513060`
-- `CPhysicsObj::track_object_collision` `0x00513F10`
-- `CPhysicsObj::report_collision_start` `0x00513FD0`
-- `CPhysicsObj::report_collision_end` `0x00514620`
-- `CPhysicsObj::handle_all_collisions` `0x00514780`
-- successful `CPhysicsObj::SetPositionInternal(CTransition const*)`
- `0x00515330`
-- `CPhysicsObj::leave_world` `0x005155A0`
-- placement failure in `CPhysicsObj::SetPositionInternal` `0x00515BD0`
-
-The source is `docs/research/named-retail/acclient_2013_pseudo_c.txt`; the
-struct authority is `docs/research/named-retail/acclient.h`.
-
-## What this checkpoint implements
-
-`RuntimeCollisionReportingState` is the sole per-session owner of:
-
-- one environment-collision latch per exact `RuntimeEntityKey`;
-- one ordered object-contact table per exact owner incarnation;
-- retained peer server GUID, touch time, and ethereal-at-touch state;
-- static and `ReportAsEnvironment` routing;
-- asymmetric `IgnoreCollisions` and reciprocal `ReportCollisions` eligibility;
-- strict ordinary `age > 1.0` and ethereal `age > 0.0` expiry;
-- force-end-before-callback mutation for reentrant safety;
-- missing-peer self-only end reports without resolving a later GUID reuse;
-- exact `Missile | AlignPath | PathClipped` clearing on the canonical record,
- borrowed body, retained shadow state, and mutation version;
-- a monotonic immutable report FIFO with observer-failure isolation;
-- the retail callback-eligibility boolean used by failed placement to choose
- `Collided` versus `NoValidPosition`;
-- terminal ownership diagnostics and deterministic session/disposal cleanup.
-
-Successful dormant SetPosition commits contact, water/walkable and ground
-edges first, runs reporting next, applies physical response once, and then
-refloods the shadow. An intervening Vector or Movement update suppresses only
-the stale physical response; it does not erase collision tracking or reports.
-Failed placement always supplies retail's `previousContact = false` and
-`previousOnWalkable = false`, reports once, applies its one response pass, and
-maps the report result exactly.
-
-Hidden, teleport/withdrawal, deletion, session reset, and disposal use distinct
-lifetime edges. Leaving the world force-ends the departing owner's table but
-retains its environment latch and incoming peer records. Destruction then
-forgets only the departing owner state. Other owners retain exact-key contacts
-until their own expiry/force pass and can emit a missing-target end using the
-preserved server GUID. Hidden and session-clear paths force-end while the old
-report flags and bodies are still eligible, before state/reset teardown.
-
-## Architectural boundaries
-
-- Runtime owns all canonical collision-report state and report-result logic.
-- Core exposes only the exact successful SetPosition ordering seam and the
- retained-shadow collision identity required by Runtime.
-- App and Headless gain no report table, queue, heuristic, or production
- placement consumer.
-- Reports are presentation-free and keyed by exact Runtime identity.
-- Network/update callbacks may re-enter, but every later mutation revalidates
- current identity, body, and the relevant authority version.
-- Physical-response velocity authority is deliberately separate from report
- authority, matching retail's ordering without overwriting a newer vector.
-
-## Validation and independent review
-
-The saved final diff passed:
-
-- combined focused Runtime collision-report and SetPosition tests: 76/76;
-- complete Runtime project: 562/562;
-- graphical/headless Runtime-physics ownership and dormancy guards: 4/4;
-- focused Core SetPosition/contact/response ordering tests: 29/29;
-- complete Core project: 4,224 passed / 1 intentional skip;
-- from-source Release solution rebuild: 0 errors and 21 pre-existing test-
- project nullable/analyzer warnings; this checkpoint introduces none;
-- complete Release solution: 10,309 passed / 4 intentional skips;
-- warmed steady-contact refresh: 0 managed bytes across 10,000 calls;
-- warmed immediate dormant SetPosition commit: still below the existing
- 2,048-byte-per-operation ceiling, with no new captured-delegate cost;
-- architecture/adversarial re-review: clean after fixing Hidden/session/delete
- reentrancy, stale shadow-state authority, allocation churn, and batch cost;
-- retail-conformance re-review: clean against every named address above.
-
-The final retail re-review found and closed two last ordering defects before
-sign-off: object collision now snapshots the mover's Missile bit before the
-source callback and, when that snapshot was set, unconditionally masks the
-current `Missile | AlignPath | PathClipped` bits afterward. Thus an ordinary
-callback-added Missile is retained when the mover was not previously a missile,
-but a callback which clears Missile and re-adds path bits cannot evade the
-pre-gated retail mask. Environment collision retains retail's post-callback
-current-Missile test. Successful SetPosition now
-publishes reports before installing the new stationary-fall counter, applies
-the physical response next, installs StationaryFall/Stop/Stuck transient bits
-after response, and only then refloods the shadow.
-
-The host guard reads both production source trees. It proves App and Headless
-borrow `GameRuntime.EntityObjects.Physics`, declare no second collision table
-or return heuristic, and still contain no placement-channel consumer. No
-connected/live gate is required for this dormant checkpoint because no
-production route can populate or publish the new report owner.
-
-## Exact implementation and test paths
-
-The behavior commit containing this handoff changes exactly these ten code and
-test paths:
-
-- `src/AcDream.Core/Physics/PhysicsObjUpdate.cs`
-- `src/AcDream.Core/Physics/ShadowObjectRegistry.cs`
-- `src/AcDream.Runtime/Entities/RuntimeEntityDirectory.cs`
-- `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs`
-- `src/AcDream.Runtime/Entities/RuntimeEntityRecord.cs`
-- `src/AcDream.Runtime/Physics/RuntimeCollisionReportingState.cs`
-- `src/AcDream.Runtime/Physics/RuntimePhysicsState.cs`
-- `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs`
-- `tests/AcDream.Runtime.Tests/Physics/RuntimeCollisionReportingStateTests.cs`
-- `tests/AcDream.App.Tests/Runtime/RuntimePhysicsOwnershipTests.cs`
-
-The same commit synchronizes the architecture, divergence register, canonical
-SetPosition research, roadmap, milestones, project memory, prior campaign
-handoff pointer, retail-oracle note, and this detailed handoff. `AGENTS.md` and
-the pre-existing line-ending/stat-noise paths are deliberately excluded.
-
-## Remaining work - required order
-
-### 1. Exact authored mover preparation - complete 2026-08-01
-
-The dormant preparation contract is implemented and independently reviewed.
-It binds the Runtime-owned accepted frame and exact Setup DID, preserves the
-ordered authored spheres and scale/step semantics, seals the returned command,
-and forces stale deferred residents through exact re-preparation without
-pre-mutating canonical state. See
-[`2026-08-01-runtime-set-position-authored-mover-preparation.md`](2026-08-01-runtime-set-position-authored-mover-preparation.md).
-
-### 2. Atomic local-controller/body publication - next
-
-Prepare off-canonical, then perform one Runtime-validated atomic transaction
-which publishes the exact same body to graphical and no-window controllers.
-Every body writer, remote/projectile binding, SetPosition operation, clock
-epoch, deletion, reset and disposal path must participate. Do not resurrect
-the rejected snapshot/rollback lease documented in the prior handoff.
-
-### 3. Presentation-only host projection
-
-Implement graphical and headless observers over the existing dormant placement
-receipt channel. Withdraw removes presentation/spatial consumers while
-retaining Runtime identity; Place projects only the immutable committed frame;
-Discard retires the older revision. Host failure retries the exact FIFO head
-and never rolls Runtime back.
-
-### 4. Collision-prefix quiescence and atomic route activation
-
-Park SetPosition residents before retiring their collision prefix, publish the
-complete replacement generation, wake exact matching residents, and cut every
-spawn/Position/portal/projectile/drop/pickup/parent/delete route over together.
-Only then may AP-1 and AD-1 retire.
-
-### 5. Remaining campaign slices
-
-- Port retail-authored object collision shape precedence and retire AP-22.
-- Remove remote terrain-normal preprojection and let the transition resolver
- use the retained contact plane, retiring AD-10.
-- Run the full automated and connected matrix, update all ledgers, and close
- the remaining physics campaign only with direct evidence.
-
-## Rollback
-
-This checkpoint is one bisectable commit. Revert the commit containing this
-file to remove collision-report ownership without disturbing the earlier
-SetPosition residence and receipt-channel checkpoints. Do not revive the old
-collision-presence guess or the rejected body snapshot lease.
-
-Because a Git commit cannot embed its own final hash, resolve the exact
-checkpoint and revert command without ambiguity using:
-
-```powershell
-$checkpoint = git log -1 --format=%H -- `
- docs/research/2026-07-31-runtime-set-position-collision-reporting-handoff.md
-git show --stat $checkpoint
-git revert $checkpoint
-```
-
-Earlier rollback points remain:
-
-```powershell
-git revert 270f5154 # dormant public placement receipt channel
-git revert 4c02ac42 # Runtime SetPosition/lost-cell residence owner
-git revert e84a388e # pure Core retail SetPosition transaction
-```
-
-## Resume procedure
-
-1. Continue in
- `C:\Users\erikn\.codex\worktrees\af5e\acdream` and verify
- `git branch --show-current` reports `codex/port-claude-agents`.
-2. Resolve the exact checkpoint with the `git log` command above and confirm
- it is the current `HEAD` before starting the next behavior slice.
-3. Read `AGENTS.md`, `docs/architecture/acdream-architecture.md`, this file,
- the collision-report oracle, the canonical SetPosition research, and the
- prior remaining-campaign handoff completely.
-4. Run `git status --short`. Preserve the unrelated `AGENTS.md` content diff
- and every documented line-ending/stat-noise path. Never stage by blanket.
-5. Begin only **Exact authored mover preparation**, the first remaining item
- above. Do not activate production routes, retire AP-1/AD-1, begin AP-22 or
- AD-10, or resurrect the rejected body snapshot/rollback lease.
-6. Use exact-path staging and rerun the matching focused projects,
- `dotnet build AcDream.slnx -c Release --nologo`, and
- `dotnet test AcDream.slnx -c Release --no-build --nologo` before the next
- reviewed checkpoint.
diff --git a/docs/research/2026-07-31-runtime-set-position-collision-reporting.md b/docs/research/2026-07-31-runtime-set-position-collision-reporting.md
deleted file mode 100644
index 9d280c67..00000000
--- a/docs/research/2026-07-31-runtime-set-position-collision-reporting.md
+++ /dev/null
@@ -1,182 +0,0 @@
-# Runtime SetPosition collision-report ownership
-
-**Scope:** placement/streaming Slice 4B2 prerequisite A only. This closes the
-missing Runtime owner for retail collision tracking and the boolean returned by
-`CPhysicsObj::handle_all_collisions`. It does **not** activate any graphical or
-headless production SetPosition route.
-
-## Named-retail oracle
-
-Primary sources:
-
-- `CPhysicsObj::report_object_collision_end` `0x00510A90`
-- `CPhysicsObj::report_environment_collision` `0x00512FC0`
-- `CPhysicsObj::report_object_collision` `0x00513060`
-- `CPhysicsObj::track_object_collision` `0x00513F10`
-- `CPhysicsObj::report_collision_start` `0x00513FD0`
-- `CPhysicsObj::report_collision_end` `0x00514620`
-- `CPhysicsObj::handle_all_collisions` `0x00514780`
-- `CPhysicsObj::SetPositionInternal(CTransition const*)` `0x00515330`
-- `CPhysicsObj::leave_world` `0x005155A0`
-- placement failure path in `CPhysicsObj::SetPositionInternal` `0x00515BD0`
-- `CPhysicsObj::CollisionRecord`, `EnvCollisionProfile`,
- `ObjCollisionProfile`, and `AtkCollisionProfile` in
- `docs/research/named-retail/acclient.h`
-
-The source text is
-`docs/research/named-retail/acclient_2013_pseudo_c.txt`. The addresses above
-are the behavioral authority; the older unnamed chunks remain fallback only.
-
-### Environment reporting
-
-```text
-report_environment_collision(meInContact):
- reported = false
- if !colliding_with_environment:
- if self.ReportCollisions && self.weenie != null:
- DoCollision(EnvCollisionProfile(self.velocity, meInContact))
- reported = true
- colliding_with_environment = true
- if self.Missile:
- self.state &= ~(Missile | AlignPath | PathClipped)
- return reported
-```
-
-The latch is independent of callback eligibility. An object with no collision
-callback still latches its environment contact, and a repeated environment hit
-returns false. Retail has no environment-end callback. `leave_world` does not
-clear this latch; the next `handle_all_collisions` call re-arms it only after a
-non-environment frame.
-
-### Object reporting and tracking
-
-```text
-track_object_collision(other, meInContact):
- if other.Static:
- return report_environment_collision(meInContact)
-
- record = { touched_time = PhysicsTimer.curr_time,
- ethereal = other.Ethereal }
- existed = collision_table.clobber(other.id, record)
- if existed:
- return false
- return report_object_collision(other, meInContact)
-```
-
-The table insert/refresh precedes callbacks. Duplicate contacts refresh their
-time but never replay a start callback. DAT/static classification and physics
-state come from the exact shadow object which produced the collision; object-ID
-presence is not a valid substitute.
-
-`report_object_collision` first maps `ReportAsEnvironment` to the environment
-path. Otherwise:
-
-- the mover reports only when the other object is not `IgnoreCollisions` and
- the mover has `ReportCollisions` plus a weenie;
-- a mover which had Missile set before the source callback unconditionally
- masks its current `Missile | AlignPath | PathClipped` bits after striking a
- non-ignored object, even when the callback cleared Missile but re-added path
- bits; when pre-callback Missile was clear, callback-added Missile is retained;
-- the reciprocal report occurs only when the other has `ReportCollisions`, the
- mover is not `IgnoreCollisions`, and the other has a weenie;
-- the return is true when at least one callback is attempted. It is never a
- collision-presence boolean.
-
-### Expiry and end reporting
-
-`report_collision_end(force)` removes records before dispatching callbacks.
-This ordering is required for safe reentrancy.
-
-```text
-ordinary record: remove when age > 1.0, or force
-ethereal record: remove when age > 0.0, or force
-```
-
-Equality remains alive. A still-resolvable non-`ReportAsEnvironment` peer may
-receive reciprocal collision-end callbacks. When the peer no longer resolves,
-the owner can still receive its self-only end using the stored retail object
-ID. A later incarnation must never satisfy the old contact record.
-
-### `handle_all_collisions` and SetPosition ordering
-
-```text
-handle_all_collisions(info, previousContact, previousOnWalkable):
- reported = false
- for other in info.collidedObjects, in encounter order:
- reported |= track_object_collision(other, previousContact)
- report_collision_end(force = false)
-
- if environment latch is already set:
- latch = info.collided_with_environment
- else if info.collided_with_environment
- || (!previousOnWalkable && self.OnWalkable):
- reported |= report_environment_collision(previousContact)
-
- apply retail collision velocity/stationary response
- return reported
-```
-
-Successful `SetPositionInternal(CTransition const*)` commits the resolved
-cell/frame, Contact/WaterContact/OnWalkable state, and HitGround/LeaveGround
-edge before `handle_all_collisions`; it ignores the returned boolean and only
-then replaces/refloods shadows. Collision reports observe the old stationary-
-fall state; the new counter is installed before physical response, while the
-StationaryFall/Stop/Stuck transient bits are replaced after response and before
-shadow reflood. The placement failure path calls
-`handle_all_collisions(info, false, false)` and maps true to
-`SetPositionError::Collided` (`4`) and false to `NoValidPosition` (`2`).
-
-Consequently acdream must keep report/tracking separate from the physical
-response: failed placement runs both once, while successful Runtime commit
-runs reporting between the contact/ground commit and shadow reflood without
-double-applying velocity response.
-
-## Runtime ownership contract
-
-The implementation is presentation-free and belongs to the per-session
-`RuntimePhysicsState` graph. Its invariants are:
-
-- owner and peer identities are exact `RuntimeEntityKey` values, not server
- GUID or local ID alone;
-- each tracked record retains the peer server GUID, touch time in the Runtime
- simulation-clock domain, and ethereal-at-touch bit;
-- collided IDs and authored/static ownership are admitted through the exact
- retained `ShadowObjectRegistry` registration which produced the collision;
- every dynamic Static/Ethereal/Ignore/ReportAsEnvironment decision then reads
- the current canonical `PhysicsBody.State`, never a stale shadow snapshot;
-- immutable reports preserve encounter order and dispatch through a retained,
- reentrancy-safe FIFO;
-- callback exceptions are isolated, while the retail report-result boolean is
- determined by callback eligibility and does not depend on subscribers;
-- every callback boundary revalidates the exact record/body/authority before
- any later canonical mutation;
-- force-end mutates the complete expired set before publishing ends; exact-key
- admission guards prevent callback reentry from recreating a leaving owner,
- and session teardown blocks the whole owner batch before its first callback;
-- one source lifetime token covers a complete precollected end batch, so a
- callback-accepted delete stops every later peer report even while teardown
- sidecars remain resolvable;
-- lifetime forget, session reset, and disposal cannot donate state to GUID
- reuse;
-- terminal ownership diagnostics include contact/report state and converge to
- zero;
-- graphical and no-window hosts borrow the same Runtime owner. No host owns a
- second collision table or report-result heuristic.
-
-The warmed steady-contact refresh path allocates zero managed bytes. Expired
-contact storage is allocated lazily only after the first actual expiry, and
-session-batch teardown is linear in owner count.
-
-## Deliberately deferred
-
-The canonical SetPosition owner remains dormant in production. The following
-belong to later 4B2 commits and are not part of this checkpoint:
-
-- exact ordered Setup spheres, authored scale and step-height preparation;
-- the atomic shared local-controller body transaction;
-- presentation-only rebucketing and placement-prefix quiescence;
-- graphical/headless spawn, Position, portal, projectile, drop, pickup,
- parent, and delete route cutover.
-
-AP-1 and AD-1 therefore remain open, narrowed only by removal of the
-collision-report prerequisite.
diff --git a/docs/research/2026-08-01-runtime-initial-create-residence-handoff.md b/docs/research/2026-08-01-runtime-initial-create-residence-handoff.md
deleted file mode 100644
index 5bab7ad8..00000000
--- a/docs/research/2026-08-01-runtime-initial-create-residence-handoff.md
+++ /dev/null
@@ -1,302 +0,0 @@
-# Runtime initial Create residence handoff - 2026-08-01
-
-> **Status:** this remains the `38fd4b8d` residence-foundation history. The
-> completed inbound-admission checkpoint and current continuation boundary are
-> recorded in
-> [`2026-08-01-runtime-initial-placement-admission-handoff.md`](2026-08-01-runtime-initial-placement-admission-handoff.md).
-
-## Purpose and exact stopping point
-
-Commit `38fd4b8dc952236d4b98518c67335026c7815656` adds the dormant Runtime
-transaction which retains an entity's initial authored CreateObject placement
-until canonical SetPosition succeeds and the ordered remainder of the Create
-packet can be adopted. It does not yet cut the production App/Headless Create
-route over, so AP-1 and AD-1 remain open.
-
-This is the deliberate clean handoff requested by the user. In plain terms,
-Runtime now has a tested holding area for a newly created world object while
-its exact collision placement is being resolved. The object cannot become
-half-visible, consume later position packets, or be silently replaced during
-that interval. The next model starts at the executor/cutover boundary; it does
-not need to repair or redesign this ownership transaction.
-
-Do not start production cutover from an earlier checkpoint. Do not call this
-campaign complete: AP-1, AD-1, AP-22, and AD-10 remain open.
-
-## Exact workspace and Git state
-
-- Worktree: `C:\Users\erikn\.codex\worktrees\af5e\acdream`
-- Branch: `codex/port-claude-agents`
-- Code checkpoint: `38fd4b8dc952236d4b98518c67335026c7815656`
-- Immediately preceding host-staging checkpoint: `74103f75`
-- No push or merge is part of this stopping point.
-
-The worktree intentionally contains unrelated user changes/stat noise. Do not
-stage, restore, normalize, or rewrite these paths as part of the continuation:
-
-- `AGENTS.md` (real unrelated content change);
-- `src/AcDream.App/Input/PlayerModeController.cs`;
-- `src/AcDream.App/Interaction/PlayerInteractionMovementSink.cs`;
-- `src/AcDream.App/Rendering/LiveAnimationPresentationContext.cs`;
-- `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs`;
-- `tests/AcDream.Core.Tests/Physics/CellTransitTests.cs`;
-- `tests/AcDream.Core.Tests/Physics/Issue133DungeonTeleportPrefixTests.cs`;
-- `tools/A8CellAudit/A8CellAudit.csproj`.
-
-The paths after `AGENTS.md` currently have no content diff and are reported
-because of pre-existing line-ending/stat noise. Always stage exact paths;
-never use `git add -A`.
-
-## Placement checkpoint chain
-
-The current mechanism was built as bisectable commits. The directly relevant
-chain, oldest first, is:
-
-- `e84a388e` - pure Core retail SetPosition transaction;
-- `4c02ac42` - Runtime deferred/lost-cell residence owner;
-- `270f5154` - dormant placement receipt channel;
-- `237d1184` - retail SetPosition collision-report owner;
-- `442cb8f9` - exact authored mover preparation;
-- `22651c82` - dormant Runtime local physics publication;
-- `99f867f0` - sealed dormant SetPosition evaluation;
-- `5785a07b` - dormant SetPosition activation;
-- `ef436678` - placement acknowledgement ownership;
-- `74c9b155`, `378ca95a`, `f05ed5c3` - graphical/headless projection seams;
-- `99bf1751`, `9b0f59bd` - collision-prefix quiescence and atomic replacement;
-- `0fbc7a1f` - hidden-object SetPosition ownership correction;
-- `3f800a4a` - authoritative route classification;
-- `74103f75` - inert App materialization before Runtime placement;
-- `38fd4b8d` - initial Create residence, continuation FIFO, and adoption.
-
-## Owned mechanism in `38fd4b8d`
-
-`RuntimeInitialCreateResidenceState` now owns, per exact entity incarnation:
-
-- the accepted initial Create frame and exact SetPosition operation;
-- a cellless logical entity while authored placement is pending;
-- a monotonic immutable FIFO for fresher Position continuations;
-- accepted timestamp, position, vector, rotation, placement, and wire payloads;
-- completion/adoption tokens and a revision which reject stale observers;
-- exact authority revalidation across generation, identity, Create, position,
- placement, full-cell, deletion, reset, GUID reuse, and disposal;
-- reentrant-safe cancellation at the lifetime commit boundary.
-
-The public legacy registration path is intentionally unchanged. Production
-behavior remains on the previous route until the continuation executor and
-all-host cutover land together.
-
-### Exact behavior now protected
-
-- Initial/New Create admission is previewed without consuming timestamps;
- Existing and Stale packets still use the established gates.
-- No collision generation is guessed. An initial residence can exist only
- after binding a real, nonzero generation.
-- Fresh Parent wins over Position, matching the packet's relation priority.
-- An absent or present-zero position cell remains cellless instead of being
- fabricated as an outdoor placement.
-- Later accepted Position packets append to one immutable ordered FIFO. They
- cannot mutate the original placement operation or bypass it.
-- A completed but not yet adopted transaction remains exclusive. A later
- Position revises the retained batch and invalidates the old adoption token;
- it cannot disappear between completion and acknowledgement.
-- Placement acknowledgement uses exact identity, operation, generation,
- position authority, Create integration, full-cell, and placement-commit
- versions.
-- Reset first detaches and clears ownership, then publishes cancellation, so a
- reentrant observer cannot invalidate enumeration or resurrect an owner.
-- Delete, replacement, pickup, parent, withdrawal, reset, and disposal return
- cancellation receipts to the caller's safe publication boundary instead of
- invoking observers before later canonical mutation.
-- Malformed initial or continuation packets fail before timestamp or canonical
- state consumption. A corrected packet with the same instance can recover.
-
-The FIFO stores raw accepted Position facts rather than prematurely choosing
-a final movement route. That is intentional: contact, animation state, the
-server-position option, and player distance must be sampled at the same point
-where retail makes the routing decision.
-
-## Exact files in `38fd4b8d`
-
-- `src/AcDream.Core/Physics/PhysicsTimestampGate.cs`
-- `src/AcDream.Runtime/Entities/InboundPhysicsStateController.cs`
-- `src/AcDream.Runtime/Entities/RuntimeEntityDirectory.cs`
-- `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs`
-- `src/AcDream.Runtime/Entities/RuntimeInitialCreateResidenceState.cs`
-- `src/AcDream.Runtime/Physics/RuntimeAuthoritativePositionRouteClassifier.cs`
-- `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs`
-- `tests/AcDream.Core.Tests/Physics/MotionSequenceGateTests.cs`
-- `tests/AcDream.Runtime.Tests/Entities/RuntimeInitialCreateResidenceStateTests.cs`
-- `tests/AcDream.Runtime.Tests/Physics/RuntimeAuthoritativePositionRouteClassifierTests.cs`
-
-## Retail order for the next slice
-
-The next slice must preserve `SmartBox::HandleCreateObject` at `0x00454C80`:
-
-1. visual description;
-2. exactly one of Parent, Position, or Pickup relation;
-3. Movement;
-4. State;
-5. Vector;
-6. Weenie description;
-7. final resident-cell validity cleanup.
-
-Position routing must also preserve these named-retail distinctions:
-
-- a same-incarnation Create position is not equivalent to standalone F748;
-- ForcePosition performs its own timestamp/parent/placement route;
-- remote near-contact interpolates, remote far-contact stops interpolation and
- performs SetPosition, and remote teleport invokes the teleport hook before
- SetPosition;
-- local teleport performs SetPosition, then the player-teleported hook, then
- constrains to the authoritative frame and clears velocity;
-- local ordinary Position constrains first and interpolates only when the
- server-position option and contact gate permit it.
-
-Therefore every retained continuation must include its
-`RuntimeAcceptedPositionSource`, and executor-time inputs must pin HasAnims,
-UsePositionFromServer, contact, and distance before mutation. Parent/Pickup and
-the same-Create Movement -> State -> Vector order must be part of the same
-synchronous adoption transaction.
-
-The principal named-retail anchors are:
-
-- `SmartBox::HandleCreateObject` `0x00454C80`;
-- `CPhysicsObj::SetPositionInternal` `0x00515330`;
-- `PhysicsDesc::UnPack` `0x0051DDD0`;
-- `CPhysicsObj::set_description` `0x00514F40`.
-
-Use `docs/research/named-retail/acclient_2013_pseudo_c.txt` first and the older
-Ghidra chunks only as a fallback.
-
-## Validation and reviews
-
-The implementation agent and reviewers reported:
-
-- focused initial-residence and classifier tests: 79/79;
-- complete Runtime tests: 819/819;
-- Runtime Release build: zero warnings and errors;
-- focused Core timestamp tests: 31/31;
-- retail-conformance review: clean;
-- architecture/adversarial review: clean;
-- `git diff --check`: clean.
-
-Primary-agent final gates after the behavior commit:
-
-- complete Release solution build: succeeded, 0 errors;
-- complete Release solution tests: 10,612 passed / 4 intentional skips;
-- App: 4,027 passed / 3 skips;
-- Core: 4,242 passed / 1 skip;
-- Runtime: 819 passed;
-- Core.Net: 762 passed;
-- UI abstractions: 543 passed;
-- Headless: 76 passed;
-- Content: 124 passed;
-- Bake: 15 passed;
-- CLI: 4 passed.
-
-The build reports 21 pre-existing test-project nullable/analyzer warnings. The
-checkpoint introduces no build errors or new production warning.
-
-Both independent reviews initially found real edge cases and the final code
-includes their root-cause fixes:
-
-- completed-but-unadopted Position packets could bypass the FIFO;
-- cancellation callbacks could re-enter before the caller's canonical mutation;
-- reset could enumerate live dictionaries while a callback mutated them;
-- adoption did not initially validate every spatial/authority version.
-
-Final retail-conformance and architecture/adversarial rereviews both passed.
-No connected visual gate was required because the new API is dormant and no
-production App or Headless route calls it yet.
-
-## Production routes intentionally unchanged
-
-This is the key handoff boundary. At this checkpoint:
-
-- graphical Create still flows through
- `LiveEntityHydrationController.OnCreateCore`,
- `LiveEntityRuntime.RegisterLiveEntity`, and legacy `RegisterEntity`;
-- graphical materialization still defaults to `LegacyImmediate` rather than
- the new `AwaitRuntimePlacement` residence;
-- graphical Position still performs its existing world-position, rebucket,
- projectile, remote-motion, and shadow work;
-- headless Create still uses `RuntimeLiveEntitySessionController.OnSpawned`,
- `HeadlessSessionWorldProjection.ProjectSpawn`, and its independent initial
- resolve/body construction;
-- headless Position still uses its existing projection path;
-- the new Runtime initial-residence API is reached by focused tests only.
-
-Existing host adapters already observe Runtime placement receipts. Do not add
-another observer architecture or a second GUID map.
-
-## Next implementation boundary
-
-Implement one Runtime continuation executor and exact ordered Create tail,
-then route graphical and no-window registration through it without a mirror.
-The executor must be synchronous or retry-idempotent around adoption revision;
-failure must leave the exact FIFO head retryable. Only after both production
-hosts and every Create/Position/ForcePosition/parent/pickup route use the same
-owner may AP-1 and AD-1 retire.
-
-### Required order for the next model
-
-1. Add `RuntimeAcceptedPositionSource` to every retained continuation. A
- same-incarnation Create position and standalone F748 are not interchangeable.
-2. Implement one Runtime-owned synchronous continuation executor. Capture
- `UsePositionFromServer`, animation/contact state, and player distance at the
- retail-equivalent decision point.
-3. Execute initial placement once, consume its exact host acknowledgement,
- then drain the continuation FIFO in order with retail's hook ordering.
-4. Serialize one Create packet as relation
- (Parent/Position/Pickup), Movement, State, Vector, WeenieDesc, cleanup.
-5. Keep every side effect exactly-once. If execution can yield, make adoption
- revision/idempotence explicit so retry cannot replay hooks or position sends.
-6. Switch graphical and headless registration together to the same Runtime
- owner. Hosts may project immutable results only; they may not resolve a
- second placement or create another body.
-7. Route later Create, Position, ForcePosition, teleport, parent, pickup,
- withdrawal, delete, remote, projectile, and dropped-item edges through the
- same owner before deleting legacy paths.
-8. Run focused tests, full Release build/tests, exact lifecycle/reconnect and
- nine-stop connected gates, then perform the user visual matrix. Only then
- retire AP-1 and AD-1.
-
-Do not begin AP-22 or AD-10 until the production placement cutover is green.
-
-### Subsequent independent slices
-
-- **AP-22:** make `ShadowShapeBuilder` the only prepared Setup-shape authority;
- preserve authored cylinder order, use spheres only when cylinders are absent,
- allow truly shapeless Setups, and remove radius/height synthesis and sphere-
- to-cylinder coercion across graphical/headless/live publication.
-- **AD-10:** remove terrain-normal preprojection from remote motion. Let the
- canonical transition resolver project against the actual retained contact
- plane, with tests where terrain and BSP/prop normals deliberately differ.
-- Run the final connected matrix, synchronize ledgers/docs, and only then close
- the remaining physics-divergence campaign.
-
-## Rollback
-
-Revert the behavior checkpoint without disturbing the earlier placement
-foundation:
-
-```powershell
-git revert 38fd4b8dc952236d4b98518c67335026c7815656
-```
-
-The documentation checkpoint containing this file is a separate commit and
-can be reverted independently if only the handoff text needs correction.
-
-## Resume checklist
-
-1. Continue in the exact worktree and branch recorded above.
-2. Confirm `git rev-parse HEAD` includes both the behavior and documentation
- checkpoint commits.
-3. Read this file, `docs/architecture/acdream-architecture.md`,
- `docs/research/2026-07-31-canonical-set-position.md`, and
- `docs/research/2026-07-31-runtime-set-position-collision-reporting-handoff.md`.
-4. Run `git status --short` and preserve every unrelated path listed above.
-5. Re-run the focused 79-test residence/classifier gate before modifying the
- transaction.
-6. Begin only the continuation executor and ordered Create tail. Do not start
- AP-22/AD-10 or vendor work in the same commit.
diff --git a/docs/research/2026-08-01-runtime-initial-placement-admission-handoff.md b/docs/research/2026-08-01-runtime-initial-placement-admission-handoff.md
deleted file mode 100644
index 06e790f3..00000000
--- a/docs/research/2026-08-01-runtime-initial-placement-admission-handoff.md
+++ /dev/null
@@ -1,320 +0,0 @@
-# Runtime initial-placement admission handoff - 2026-08-01
-
-> **Status:** this remains the `30012361` admission-checkpoint history. The
-> continuation executor this file scoped as "the next implementation
-> boundary" is complete at `5db3de3c`; the current boundary (production
-> cutover) is recorded in
-> [`2026-08-02-runtime-continuation-executor-handoff.md`](2026-08-02-runtime-continuation-executor-handoff.md).
-
-## Purpose and exact stopping point
-
-Behavior commit `30012361e12222e8271b1531574257ba910c77cb`
-completes the bounded Runtime admission checkpoint requested by the user.
-While an entity's first authored placement is waiting, every later accepted
-same-incarnation update is preserved in exact arrival order without changing
-or displaying the entity early.
-
-In plain terms, Runtime now has a sealed mailbox behind the pending initial
-placement. Network sequence checks still decide which messages are fresh, but
-accepted messages wait in that mailbox. The visible/canonical entity remains
-at its original frozen Create state until a later executor is authorized to
-apply the mailbox.
-
-This checkpoint deliberately does **not** implement that executor, switch the
-graphical or headless production routes, begin AP-22 authored shape work, or
-begin AD-10 remote slope projection. AP-1 and AD-1 therefore remain open.
-
-This file supersedes the admission-status portions of
-`2026-08-01-runtime-initial-create-residence-handoff.md`; that earlier file
-remains the foundation history for commit `38fd4b8d`.
-
-## Exact workspace and Git state
-
-- Worktree: `C:\Users\erikn\.codex\worktrees\af5e\acdream`
-- Branch: `codex/port-claude-agents`
-- Behavior checkpoint: `30012361e12222e8271b1531574257ba910c77cb`
-- Residence foundation: `38fd4b8dc952236d4b98518c67335026c7815656`
-- Documentation checkpoint: the commit containing this file
-- No push or merge is part of this checkpoint.
-
-The worktree intentionally contains unrelated user changes or pre-existing
-stat/line-ending noise. Do not stage, restore, normalize, or rewrite these
-paths when continuing:
-
-- `AGENTS.md` (real unrelated content change);
-- `src/AcDream.App/Input/PlayerModeController.cs`;
-- `src/AcDream.App/Interaction/PlayerInteractionMovementSink.cs`;
-- `src/AcDream.App/Rendering/LiveAnimationPresentationContext.cs`;
-- `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs`;
-- `tests/AcDream.Core.Tests/Physics/CellTransitTests.cs`;
-- `tests/AcDream.Core.Tests/Physics/Issue133DungeonTeleportPrefixTests.cs`;
-- `tools/A8CellAudit/A8CellAudit.csproj`.
-
-Always stage exact paths. Never use `git add -A` in this worktree.
-
-## What `30012361` owns
-
-### One exact pending owner
-
-`RuntimeInitialCreateResidenceState` owns one transaction per exact
-`RuntimeEntityKey`, not per server GUID alone. It retains:
-
-- the deep-frozen initial Create packet and placement operation;
-- the exact residence token, generation, placement authority, and revision;
-- a monotonic sequence for accepted continuations;
-- one immutable, mixed-kind FIFO in original arrival order;
-- completion/adoption and teardown receipts.
-
-The accepted continuation kinds are:
-
-1. same-incarnation Create;
-2. ObjDesc;
-3. Parent;
-4. Pickup;
-5. Position;
-6. Movement;
-7. State;
-8. Vector.
-
-There is no coalescing, sorting by message type, or replacement of an earlier
-accepted FIFO item by a later one.
-
-### Frozen public state
-
-While the initial residence is pending:
-
-- retail timestamp gates advance for accepted updates;
-- `RuntimeEntityRecord.Snapshot` remains unchanged;
-- the public accepted-snapshot view remains unchanged;
-- no entity/object event is published;
-- no projection acknowledgement callback runs;
-- parent commitment, world placement, rendering, radar, picking, physics,
- audio, and other presentation remain unchanged;
-- every accepted payload is retained as an immutable typed action.
-
-This is intentional gate-only acceptance. It is not an alternative canonical
-snapshot and must not grow into one.
-
-### Immutable payload boundary
-
-`RuntimeInitialCreateAdmissionFreezer` copies every parser-owned mutable
-collection that can outlive packet dispatch:
-
-- EntitySpawn animation-part, texture, and sub-palette arrays;
-- ObjDesc model arrays;
-- motion command lists;
-- Physics Movement raw bytes and motion commands;
-- Physics child attachments.
-
-Same-incarnation Create is retained as one atomic envelope. Its actions retain
-retail's packet-tail order:
-
-1. AP-119 pre-tail description adaptation;
-2. ObjDesc;
-3. exactly one of Parent, Position, or Pickup;
-4. Movement;
-5. State;
-6. Vector;
-7. Weenie description;
-8. resident-cell cleanup.
-
-### Position facts remain raw
-
-A deferred Position retains the typed packet plus the timestamp disposition
-and accepted gate facts. It does not prematurely choose interpolation,
-teleport hooks, or final movement behavior. The new explicit
-`RuntimePositionConstrainPhase` distinguishes retail's local ordinary
-constrain-before route from remote/teleport constrain-after routes, but the
-future executor must still sample the required live inputs at the retail
-decision point.
-
-No selected UI target, presentation state, or host-specific route is stored in
-the admission owner.
-
-## Missing-parent behavior
-
-Named retail resolves a nonzero parent before child object lookup and child
-timestamp admission. Runtime now follows that order:
-
-- a child Create whose parent is not addressable is stored as the complete raw
- frozen Create packet;
-- no child entity record, accepted snapshot, timestamp gate, local ID, event,
- or residence lease exists yet;
-- the queue is keyed by parent GUID but each entry also has a monotonic
- `AdmissionId` which is never reset, preventing reset/reconnect ABA reuse;
-- a later parent Create may consume only the exact admission token it peeked;
-- deleting or replacing a still-missing parent does not discard its queued
- child Create, matching retail's GUID-keyed placeholder behavior;
-- an exact child Delete removes an equal/older deferred child generation even
- if no child timestamp gate exists;
-- generation cleanup preserves an equal or newer deferred child Create and
- discards only older ownership.
-
-Raw missing-parent replay and actual child creation belong to the future
-continuation executor/cutover. They are not performed by this checkpoint.
-
-## Malformed and saturation behavior
-
-All structural and capacity checks run before consuming a timestamp gate.
-
-- Non-finite Vector and Position payloads are rejected without sequence
- consumption.
-- A full/saturated continuation owner fails before gate acceptance; there is
- no fallback to ordinary immediate mutation.
-- Flattened EntitySpawn projections must exactly agree with the embedded
- PhysicsDesc for identity, Position, relevant timestamps, parent, and
- placement.
-- When PhysicsDesc is absent, every flattened PhysicsDesc projection must also
- be absent or zero: Position, Setup, Motion, PhysicsState, scale, friction,
- elasticity, timestamps, parent, and placement.
-- Instance sequence zero remains legal and is covered on the active pending
- FIFO path.
-
-The last rule prevents synthetic or corrupt packets from creating two
-contradictory placement authorities even though the production parser normally
-constructs those projections from one source.
-
-## Lifetime and failure guarantees
-
-- Delete cancels the matching residence and its FIFO before the exact entity
- can be reused.
-- New incarnation/GUID reuse cannot observe or adopt an older incarnation's
- FIFO.
-- Session reset/reconnect clears active residence, completed-unadopted batches,
- deferred raw creates, accepted timestamp ownership, and operation state.
-- Reentrant teardown callbacks cannot resurrect the detached owner.
-- Completion/adoption revisions cannot wrap into a valid stale token.
-- Parent raw-admission IDs cannot wrap or reset into an ABA match.
-- Every ownership ledger converges to zero on reset/disposal.
-
-## Named-retail oracle
-
-The behavior and reviews used these named-retail anchors:
-
-- `SmartBox::HandleCreateObject` `0x00454C80` - Create packet ordering and
- missing-parent precondition;
-- `SmartBox::ProcessObjectNetBlobs` `0x00454B20` - queued packet replay order;
-- `SmartBox::HandleReceivedPosition` `0x00453FD0` - standalone Position route;
-- `SmartBox::HandleDeleteObject` `0x00451EA0` - GUID-keyed delete behavior;
-- `ACCObjectMaint::CreateObject` `0x00558870` - logical object creation;
-- `CPhysicsObj::set_description` `0x00514F40` - PhysicsDesc application order;
-- `CPhysicsObj::SetPositionInternal` `0x00515330` - canonical placement.
-
-Research must continue from
-`docs/research/named-retail/acclient_2013_pseudo_c.txt`; use the older Ghidra
-chunks only as a fallback.
-
-## Files in the behavior checkpoint
-
-- `src/AcDream.Runtime/Entities/InboundPhysicsStateController.cs`
-- `src/AcDream.Runtime/Entities/ParentAttachmentState.cs`
-- `src/AcDream.Runtime/Entities/RuntimeEntityDirectory.cs`
-- `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs`
-- `src/AcDream.Runtime/Entities/RuntimeInitialCreateAdmissionFreezer.cs`
-- `src/AcDream.Runtime/Entities/RuntimeInitialCreateResidenceState.cs`
-- `src/AcDream.Runtime/Physics/RuntimeAuthoritativePositionRouteClassifier.cs`
-- `tests/AcDream.Runtime.Tests/Entities/RuntimeInitialCreateResidenceStateTests.cs`
-- `tests/AcDream.Runtime.Tests/Physics/RuntimeAuthoritativePositionRouteClassifierTests.cs`
-
-## Automated evidence
-
-Final primary-agent gates on the exact behavior diff:
-
-- focused initial-residence/classifier tests: **89 passed, 0 failed**;
-- complete Runtime tests: **829 passed, 0 failed**;
-- complete Release build: **0 warnings, 0 errors**;
-- complete Release solution: **10,622 passed, 4 intentional skips**;
-- `git diff --check`: clean.
-
-Per-project final solution totals:
-
-- App: 4,027 passed / 3 skipped;
-- Bake: 15 passed;
-- CLI: 4 passed;
-- Content: 124 passed;
-- Core.Net: 762 passed;
-- Core: 4,242 passed / 1 skipped;
-- Headless: 76 passed;
-- Runtime: 829 passed;
-- UI abstractions: 543 passed.
-
-Independent final results:
-
-- retail-conformance reviewer: **PASS**;
-- architecture/adversarial reviewer: **PASS**.
-
-The reviews explicitly checked exact retail order, gate-only frozen state,
-missing-parent placeholder lifetime, zero instance, delete/reset/GUID reuse,
-deep freezing, malformed duplicated projections, capacity preflight,
-reentrancy, and the absence of executor/cutover work.
-
-No connected visual gate is required for this checkpoint because production
-graphical and headless routes remain unchanged and the new owner is exercised
-only through deterministic Runtime tests.
-
-## Deliberately unchanged production routes
-
-At this checkpoint:
-
-- graphical Create/Position still use the existing App route;
-- headless Create/Position still use the existing no-window projection route;
-- no host drains `RuntimeInitialCreateResidenceState.Continuations`;
-- no raw missing-parent child Create is replayed;
-- no new gameplay/presentation callback is emitted;
-- no AP-1 or AD-1 divergence row is retired;
-- AP-22 and AD-10 are untouched.
-
-Do not mistake the stored FIFO for completed game behavior. The clean next
-boundary is the executor that applies it.
-
-## Next implementation boundary
-
-Implement only the Runtime continuation executor and retail Create tail.
-
-The executor must:
-
-1. consume the exact initial placement acknowledgement once;
-2. capture executor-time inputs at the retail decision point;
-3. apply the initial Create tail in retail order;
-4. drain mixed continuations strictly by retained sequence;
-5. preserve same-Create atomicity;
-6. keep the FIFO head retryable if an external host receipt is temporarily
- unavailable;
-7. make every hook, timestamp, placement, and event side effect exactly once;
-8. consume a raw missing-parent Create only through its exact `AdmissionId`;
-9. abandon safely on delete, reset, replacement, or generation mismatch;
-10. produce host-independent immutable results rather than calling App or
- headless presentation directly.
-
-Do not combine the executor with graphical/headless cutover. After the
-executor is independently green, the following checkpoint may switch every
-Create, Position, ForcePosition, Parent, Pickup, withdrawal, remote,
-projectile, dropped-item, and teardown route across both hosts together.
-
-Only after executor plus all-host cutover and connected gates pass may AP-1
-and AD-1 retire. AP-22 and AD-10 remain later independent slices.
-
-## Rollback
-
-Revert this behavior checkpoint without disturbing the prior residence
-foundation:
-
-```powershell
-git revert 30012361e12222e8271b1531574257ba910c77cb
-```
-
-The documentation checkpoint containing this file is separate and may be
-reverted independently if only the handoff text needs correction.
-
-## Resume checklist
-
-1. Open the exact worktree and branch above.
-2. Confirm `git log -3 --oneline` contains behavior `30012361` and the
- documentation commit containing this file.
-3. Preserve every unrelated dirty path listed above.
-4. Read this file, `docs/architecture/acdream-architecture.md`,
- `docs/research/2026-08-01-runtime-initial-create-residence-handoff.md`, and
- `docs/research/2026-07-31-canonical-set-position.md`.
-5. Re-run the focused 89-test gate before changing admission/execution code.
-6. Begin only the continuation executor. Do not begin production cutover,
- AP-22, AD-10, or vendor work in the same checkpoint.
diff --git a/docs/research/2026-08-01-runtime-local-player-physics-publication.md b/docs/research/2026-08-01-runtime-local-player-physics-publication.md
deleted file mode 100644
index a8aef87e..00000000
--- a/docs/research/2026-08-01-runtime-local-player-physics-publication.md
+++ /dev/null
@@ -1,287 +0,0 @@
-# Runtime local-player physics publication - 2026-08-01
-
-## Scope
-
-This is placement Slice 4B2 checkpoints 4-6. It adds the dormant,
-presentation-independent transaction which prepares and assigns ownership of
-one local-player `PhysicsBody` and `PlayerMovementController`, retains an exact
-post-ownership evaluation lease, and commits the canonical Runtime SetPosition
-activation in retail order. No App or Headless production route invokes this
-transaction yet, so graphical and no-window game behavior is unchanged and
-AP-1/AD-1 remain open until their hosts cut over.
-
-Checkpoint 6 consumes the prepared placement operation only after the exact
-body/controller/identity/collision envelope is current. It publishes FullCell,
-world residence, host, shadow, workset, object-clock, and ordered Place state
-from that same Runtime-owned dormant body. There is no second body, mirrored
-gameplay owner, rollback mutation, or presentation callback inside the
-canonical tail.
-
-## Ownership contract
-
-`RuntimeLocalPlayerPhysicsPublicationState` is the sole owner of unpublished
-local-player body/controller candidates. Each candidate is bound to a token
-containing:
-
-- The exact `RuntimeEntityKey` and authored SetPosition placement token.
-- A monotonic publication ID.
-- The nonzero canonical local-player server GUID and exact identity revision.
-- The record's physics-body and object-clock ownership epochs.
-- The movement state's controller ownership epoch.
-- The entity directory's session-lifetime authority.
-
-Preparation constructs a private controller, body, and object clock. It applies
-the exact authored cell frame, orientation, Setup sphere list, scale, step
-heights, and accepted final physics state without mutating the canonical entity,
-shared object clock, engine/worksets, shadow registry, FullCell, host state, or
-presentation. The candidate remains explicitly out of world and inactive. No
-method exposes its controller, body, clock, or another mutable reference while
-it is owned by the publication transaction.
-
-This checkpoint accepts only a pristine initial graph: no canonical body,
-movement controller, physics host, remote motion, projectile, acquisition or
-binding operation, or remote-placement contract may exist. It cannot replace or
-upgrade a live graph. The local-player identity must be live, nonzero, and name
-the same server GUID as the exact entity incarnation.
-
-Unpublished candidates and ownership-committed dormant controllers reject live
-movement operations: update, public SetPosition, blip, outbound-position
-capture, movement/position send tracking, and shared-engine position commit.
-Only the checkpoint-6 activation transaction may promote `RuntimeOwnedDormant`
-to `RuntimePublished`; preparation and evaluation never invoke that transition.
-Once a
-Runtime-owned dormant or published controller is replaced, reset, or disposed,
-its terminal retirement state rejects the same operations plus
-body/configuration mutation and manager acquisition. Publicly constructed
-legacy controllers keep their existing standalone behavior.
-
-## Failure-atomic commit
-
-Commit revalidates every authority after preparation:
-
-- The entity record is the current incarnation and is not accepted for delete.
-- The local-player identity still has the token's exact GUID and revision and
- has not been disposed.
-- The exact authored SetPosition operation and sealed command remain current.
-- Session, body, object-clock, and controller ownership epochs still match.
-- The body/controller/host/remote/projectile graph remains completely pristine,
- with no acquisition, binding, or remote-placement operation in progress.
-
-Only after validation completes does the callback-free update-thread tail:
-
-1. Rebind the candidate controller from its private clock to the record's exact
- canonical object clock and mark it Runtime-owned but dormant.
-2. Store the candidate's exact body on the canonical record, advancing the
- physics ownership epoch once.
-3. Store the same controller in `RuntimeLocalPlayerMovementState`, advancing the
- controller ownership epoch once.
-
-The dormant controller rejects every live/configuration operation after these
-stores; ownership commit alone cannot tick physics, mutate the canonical clock,
-or publish an outbound frame. These stores allocate no new gameplay owner,
-invoke no host or presentation callback, and cannot replay an older
-incarnation. Replacing SetPosition,
-changing any accepted physics authority, binding remote/projectile state,
-replacing body/clock/controller ownership, delete plus GUID reuse, reset, or
-disposal causes the token to reject. An identity switch away and back also
-rejects because its revision changed. A rejected or superseded candidate is
-discarded and cannot perform a later live operation. Reset and disposal converge
-the publication ledger to zero candidates.
-
-Repeated stores of the same body/controller do not advance their epochs; real
-bind, replacement, and unbind edges do. This makes ABA-shaped reference changes
-observable even if a later value happens to equal an earlier reference.
-
-## Dormant SetPosition evaluation lease
-
-Ownership commit now returns one private activation token captured only after
-the canonical body and controller stores. It binds the exact entity key,
-authored placement token and sealed command, local identity GUID/revision,
-session lifetime, and the post-store physics-body, object-clock, and controller
-ownership epochs. The owner retains the same record, body, controller, and
-command behind that token; no caller can substitute an equivalent-looking
-body or rebuild the mover.
-
-`EvaluateActivation` revalidates that complete lease and calls Core
-`PhysicsEngine.SetPosition` synchronously with an immutable request. Core's
-transaction is pure: it returns committed, deferred-cell, or rejected
-placement data without writing the canonical body, FullCell, clock, spatial
-worksets, shadows, collision-report owners, host, operation stage, or Place
-projection. A missing cell therefore leaves the exact body dormant and the
-authored operation retryable. During evaluation, a valid result likewise
-remains only an immutable receipt; checkpoint 6's separate commit API consumes
-that receipt only after revalidating the complete activation envelope.
-
-Each evaluation carries an append-only, stable-order union of every cell read
-by the complete Core transaction: the AdjustPosition seed and adjusted cell,
-visible-child probes (including rejected lateral siblings), rejected
-portal/building containment probes, transition/compass retries, and every
-normal or scatter attempt. Rejected probes enter only the authority union and
-never the final successful shadow/CrossCell footprint. Scatter keeps that union
-in retained scratch and materializes its
-immutable receipt exactly once after the final attempt, avoiding quadratic
-copy/allocation growth at the 64-attempt retail ceiling. The final
-`CrossCellIds` remains the successful placement's authored
-shadow footprint; failed scatter probes cannot leak into that commit payload.
-Runtime seals every distinct queried landblock against the exact collision
-generation, the global collision-world authority, and the dynamic-shadow
-mutation revision. An active replacement admission rejects evaluation even
-before it commits, while begin/cancel, a re-entrant generation commit, or any
-owner insert/remove/move/state/suspend/reflood mutation invalidates an older
-receipt.
-
-Entry restrictions also consult the live `ClientObjectTable` for the resolved
-house object, owner and complete restriction record, plus the mover's monarch.
-The receipt therefore seals the exact object-table reference, the engine's
-monotonic binding epoch, and the table's synchronous mutation revision. Object
-creation/removal, owner-property, guest-list, or mover-monarch updates invalidate
-the receipt; a null/fresh replacement and an equal-revision A-B-A binding cycle
-cannot resurrect it. Retained `ClientObject` owner, monarch, and restriction
-setters synchronously advance every exact owning table even when callers mutate
-the object directly rather than re-submit it through `AddOrUpdate`. Replacement,
-removal, and clear detach that observer exactly, and every
-`HouseRestrictionRecord` freezes a defensive snapshot of its input guest map so
-no caller-owned dictionary or mutable downcast can alter entry authority behind
-the revision.
-
-`IsEvaluationCurrent` accepts only the newest receipt for the exact activation
-lease and rejects it after a position/vector/state/object-description/Create
-authority change, identity revision, body/controller replacement, session or
-incarnation change, or any sealed collision/shadow authority change.
-Re-evaluation supersedes the older receipt without mutating world state.
-Re-entrant reset or delete-plus-GUID-reuse during Core evaluation immediately
-retires the invalid lease instead of leaving an orphaned dormant graph. An
-existing activation lease also blocks candidate preparation even if an
-external owner has already cleared the body/controller references; explicit
-discard is required before a new candidate can be prepared. Reset and disposal
-retire the lease, body, and dormant controller and include the pending
-activation in the ownership convergence ledger.
-
-## Canonical activation and retail ordering
-
-The implementation follows the named-retail chain rather than treating
-SetPosition as a single opaque callback:
-
-- `CPhysicsObj::SetPosition` at `0x005160C0` owns the outer placement call.
-- The internal wrapper at `0x00515BD0` evaluates residence and collision.
-- `CPhysicsObj::SetPositionInternal(CTransition*)` at `0x00515330` commits the
- accepted frame/contact prefix and later shadow/cell state.
-- `CPhysicsObj::enter_world` at `0x00516170` is the final live edge.
-- `CPhysicsObj::leave_world` at `0x005155A0` is the canonical retirement edge.
-
-Runtime splits that chain into a prepared, callback-free transaction and an
-ordered notification suffix:
-
-1. Install the accepted frame and contact prefix on the still-dormant body and
- perform the first acceleration calculation.
-2. Open one narrow dormant ground phase and invoke `HitGround` or
- `LeaveGround`. Movement reapplication may call retail `set_velocity`, but
- the phase closes with `Active=false`; the body is still out of world, has no
- host/spatial membership, and its object clock is inactive.
-3. Synchronize accepted State and Vector authorities, run the post-ground
- acceleration/sliding phase, and dispatch the already-installed collision
- batch.
-4. Revalidate the complete ownership/collision envelope. Accepted State and
- Vector updates are synchronized; Position, ObjDesc, Create, Setup,
- incarnation, identity, collision-generation, body, controller, host, or
- session displacement aborts the old transaction.
-5. Apply velocity-current physical response and stationary bits, prepare the
- final shadow mutation and Place receipt, then perform the callback-free
- FullCell/body/host/controller/spatial/object-clock tail.
-6. Dispatch exact shadow notifications and the ordered Place projection only
- after the complete live graph is visible.
-
-Collision and shadow mutations use explicit prepare/apply/dispatch receipts.
-Receipt dispatch is exact-once and owner-local, so reverse-order receipts for
-different owners remain valid while a superseding mutation of the same owner
-stops the stale suffix. Collision owner states carry the exact SetPosition
-batch ID. Reentrant Position or newer-batch replacement suppresses remaining
-reciprocal/environment callbacks, and abort cleanup force-ends/removes only the
-still-exact old batch, including reverse rows and the environment latch. The
-combined Runtime physics ownership ledger includes pending collision and
-shadow SetPosition receipts; teardown cannot report convergence while either
-receipt remains.
-
-Candidate construction applies the accepted `PhysicsDesc` values in retail
-`CPhysicsObj::set_description` order before sealing ownership: final state,
-friction, clamped elasticity, `set_velocity` (including the 50-unit clamp),
-and angular velocity. Network acceleration remains parse-only because retail
-recalculates it from the final physics state. This initial vector bootstrap is
-required even when the SetPosition receipt's source Vector authority is still
-current; the later refresh intentionally skips in that case. Collision
-callbacks may advance State/Vector authority without invalidating the
-immutable geometry/identity envelope, and a changed Vector authority refreshes
-the dormant body through the same `set_velocity` path before physical response.
-
-A deferred-cell commit atomically suspends an authored shadow registration and
-consumes its notification receipt. Explicit publication discard cancels the
-exact SetPosition lease and body/controller ownership, while the suspended
-registration remains owned by the live entity/shadow registry and is reusable
-by a later activation. A deterministic discard -> generation-ready -> new
-activation gate proves the same registration restores without stale rows or a
-pending receipt. Entity/lifetime teardown remains the terminal owner of that
-suspended registration.
-
-## Gates
-
-- Candidate privacy and live-operation rejection.
-- Pristine-only admission for body, controller, host, remote/projectile,
- acquisition/binding, and remote-placement ownership.
-- Exact local-player identity, identity-switch, and disposed-identity rejection.
-- Exact same-body ownership in entity record and dormant movement controller.
-- Initial PhysicsDesc velocity, angular velocity, friction, and elasticity
- bootstrap, including activation with the retail 50-unit velocity clamp.
-- Dormant rejection after ownership commit plus the controller-level
- `dormant -> activated -> live` lifecycle contract exercised by checkpoint 6.
-- No mutation of SetPosition, FullCell, spatial roots, host projections,
- shadows, worksets, world residence, or presentation during preparation or
- evaluation; the separately gated activation commit owns those mutations.
-- Replacement by position, vector, final physics state, object description,
- CreateObject, remote/projectile/body/clock/controller ownership, and explicit
- placement cancellation.
-- Delete plus same-GUID reincarnation.
-- Candidate replacement, reset, disposal, and ownership convergence.
-- Publication/activation sequence exhaustion is preflighted before candidate
- allocation or replacement, leaving no private or canonical owner behind.
-- Shadow-registry reset invalidates even a prepared, unapplied shapeless
- transaction which owns no logical rows or pending dispatch receipt.
-- Pure committed/deferred/rejected SetPosition evaluation with bit-exact
- body-state snapshots and no canonical, collision-report, projection,
- clock, FullCell, host, shadow, workset, or operation-stage mutation.
-- Complete stable-order queried-cell capture across AdjustPosition,
- visible-child lookup, normal/scatter retries, map-edge/deferred, rejected,
- committed, and defensive NoCell outcomes. Scatter deliberately retains
- retail's RNG consumption; only its authority footprint and commit payload
- are deterministic for a fixed draw sequence.
-- Newest-receipt selection, active-admission rejection, collision-generation
- replacement, re-entrant begin/cancel and commit invalidation, plus dynamic
- shadow insert/move/state/suspend/remove invalidation.
-- Exact object-table reference/revision/binding authority, including
- post-evaluation and re-entrant house-object, owner, guest-list, and mover-
- monarch mutations plus null/fresh/equal-revision ABA replacement. Direct
- retained-object setters, replacement/removal/clear observer lifetime, shared
- multi-table ownership, and frozen guest-map input are covered explicitly.
-- Re-entrant reset and delete/GUID-reuse convergence plus activation-lease
- overwrite prevention after an external body/controller clear.
-- Post-ownership position, vector, object-description, Create, identity,
- body, and controller authority replacement.
-- Terminal stale-controller rejection after replacement, reset, and disposal.
-- Body/controller epochs advance only on actual ownership changes.
-
-The checkpoint-6 focused publication/collision suite passes 129/129, the
-focused Core shadow transaction suite passes 16/16, and the complete Runtime
-project passes 695/695 under invariant globalization. The Runtime Release build
-passes with zero warnings and zero errors. Broader Core/App/solution and
-connected gates remain for the parent integration checkpoint. Under the
-machine's Swedish current culture, the three previously known formatting
-assertions remain unrelated (`0,5` versus `0.5` and localized sky text), so the
-canonical Runtime gate runs under invariant globalization.
-
-## Next checkpoint
-
-Cut the graphical and no-window local-player hosts over to this Runtime-owned
-activation transaction, then delete their duplicate SetPosition
-activation/publication paths. The cutover must preserve the same exact body,
-controller, shadow payload, deferred-cell lease, collision receipt ordering,
-and graceful teardown proven here; no host may reconstruct or replay the
-canonical transaction.
diff --git a/docs/research/2026-08-01-runtime-set-position-authored-mover-preparation.md b/docs/research/2026-08-01-runtime-set-position-authored-mover-preparation.md
deleted file mode 100644
index 7e3193d6..00000000
--- a/docs/research/2026-08-01-runtime-set-position-authored-mover-preparation.md
+++ /dev/null
@@ -1,106 +0,0 @@
-# Runtime SetPosition authored mover preparation - 2026-08-01
-
-## Scope
-
-This is placement Slice 4B2 checkpoint 3. It adds the dormant,
-presentation-independent preparation contract used to turn an accepted Runtime
-position into retail's exact `CPhysicsObj::SetPosition` mover input. No App or
-Headless production route consumes the contract yet, so game behavior is
-unchanged and AP-1/AD-1 remain open.
-
-## Retail oracle
-
-The implementation was checked against the named September 2013 client:
-
-- `PhysicsDesc::PhysicsDesc` `0x0051D4D0`
-- `PhysicsDesc::UnPack` `0x0051DDD0`
-- `CPhysicsObj::set_description` `0x00514F40`
-- `CPhysicsObj::SetPosition` `0x005160C0`
-- `SPHEREPATH::init_sphere` `0x0050C670`
-- `CPartArray::GetNumSphere` `0x00518060`
-- `CPartArray::GetSphere` `0x00518070`
-- `CPartArray::GetStepUpHeight` `0x005180D0`
-- `CPartArray::GetStepDownHeight` `0x005180F0`
-- `CTransition::init_object` `0x00509E40`
-- `OBJECTINFO::init` `0x0050CF30`
-
-SetPosition calls `CTransition::init_object(..., state = 0)` directly. It does
-not use the ordinary-movement `CPhysicsObj::get_object_info` path. Consequently
-the SetPosition state carries the player/PK/PKLite/impenetrable classifications
-(plus acdream's pointer-free entry-restriction carrier), but it does not add
-Contact, OnWalkable, PathClipped, FreeRotate, or EdgeSlide. Ethereal and
-`step_down = !Missile` are separate `OBJECTINFO` fields derived from the current
-physics state.
-
-## Exact preparation contract
-
-- Runtime captures the complete accepted server frame under the exact entity,
- session, position, vector/velocity, wire-state, final-physics-state mutation,
- object-description, and create-integration authorities. A host cannot
- substitute a second position.
-- Collision-world X/Y uses the target landblock's active live-centered offsets;
- full cell ID, cell-local XYZ, and the complete quaternion remain unchanged.
-- Setup resolution is bound to the canonical Setup DID. A known but unavailable
- Setup remains retryable. Resolved-absent is valid only when the canonical
- object has no Setup. An authored empty Setup remains distinct and still
- contributes its scaled StepUp/StepDown heights.
-- The complete ordered Setup sphere list is retained. Core later applies
- retail's `min(count, 2)` traversal cap. The successfully resolved no-PartArray
- or zero-sphere arm reaches Core with an empty list, where SetPosition supplies
- the retail dummy sphere `(0,0,0.1)`, radius `0.1`, scale `1.0`.
-- Scale precedence is `PhysicsDesc.Scale ?? EntitySpawn.ObjScale ?? 1.0`.
- Present zero and finite negative values are preserved. Scale is not consumed
- by a resolved-absent dummy mover.
-- Every authored command is sealed to the exact preparation operation. Manual,
- stale, replaced, or merely value-equivalent commands cannot bypass the seal.
-- A wire-state, final-state mutation (including NoDraw and missile-stop),
- vector/velocity, description, or create change during a deferred cell wait
- returns the resident to `AwaitingPreparation`; the stale mover is never
- replayed when the collision generation wakes.
-- Preparation mutates no body, clock, FullCell, spatial/shadow registration,
- bucket, camera, world entity, or presentation resource.
-
-Legacy direct SetPosition remains a distinct token mode so the dormant slice
-does not change existing call sites or their warmed allocation ceiling. If a
-legacy operation becomes deferred and later needs new authored data, the
-presence of Runtime's preparation authority makes the exact seal mandatory.
-
-## Ownership and validation
-
-`RuntimeSetPositionState` owns one exact-key preparation-authority entry only
-for operations which require authored preparation. The entry dies with the
-operation on replacement, acknowledgement, cancellation, delete, session
-reset, or disposal and participates in terminal convergence accounting.
-
-Preparation-only validation checks the exact cell frame, live-centered world
-position, values consumed by the first two retail spheres, Setup-derived step
-heights, line/scatter inputs, and bounded scatter attempts. The legacy direct
-validator retains its prior behavior, including retail's dummy-sphere and
-first-two-sphere semantics.
-
-## Gates and review
-
-- Focused authored-mover plus SetPosition residence tests: 80/80.
-- Runtime Release build: zero warnings and zero errors.
-- Complete Runtime project under invariant culture: 595/595.
-- Complete Release solution with installed DAT/pak fixtures: 10,342 passed /
- 4 intentional skips.
-- Retail-conformance review: canonical frame, DID binding, scale/step/sphere
- behavior, exact SetPosition flags, and deferred wake checked against the
- named addresses above.
-- Architecture/adversarial review: command sealing, legacy promotion,
- replacement, deferred wake, direct compatibility, allocation, reset, GUID
- reuse, and ownership convergence checked.
-
-The three ordinary current-culture Runtime failures are pre-existing Swedish-
-locale formatting assumptions (`0,5` versus `0.5` and localized sky text); the
-same complete project passes under invariant culture.
-
-## Next checkpoint
-
-Implement the dormant atomic local-player physics publication transaction:
-prepare a private controller/body/clock without canonical mutation, evaluate
-SetPosition against that candidate, then publish the exact same body relation
-to `RuntimeEntityRecord` and `RuntimeLocalPlayerMovementState` in one callback-
-free Runtime commit. App and Headless production activation remains a later
-checkpoint.
diff --git a/docs/research/2026-08-02-c3c-cutover-closeout.md b/docs/research/2026-08-02-c3c-cutover-closeout.md
deleted file mode 100644
index efd53d9f..00000000
--- a/docs/research/2026-08-02-c3c-cutover-closeout.md
+++ /dev/null
@@ -1,104 +0,0 @@
-# C3c production placement cutover — closeout (2026-08-02)
-
-Behavior commit: `529e0e9d` (68 files, +5,979/−833, register rows AD-61 +
-AD-42 refresh in-commit). Plan:
-[`2026-08-02-placement-cutover.md`](../plans/2026-08-02-placement-cutover.md).
-Session evidence trail: the campaign scratchpad's `implementer-progress.md`
-sections `Continuation 1-4`, `C3c-F1`..`C3c-F5`, `C3c-R1` (not committed;
-summarized here).
-
-## What shipped
-
-Both production hosts (graphical + headless) register every initial
-wire Create through the C0-C3b residence/executor/conductor machinery.
-One shared `RuntimeFirstEntryDriveController` pumps the local-player and
-remote conductors from the placement-receipt flow (per-frame graphical,
-per-tick headless). `MaterializeProjection`/`RebucketLiveEntity` are
-presentation-only strictly while the initial-create residence is ACTIVE
-(exact-token check; `ExecutorCompleted` is the presentation-binding
-receipt); post-residence entities take the full legacy path including
-retail's `prepare_to_enter_world` (0x00511FA0) clock rebase.
-`RuntimeLocalPlayerMovementState.Controller`'s setter is sealed; every
-controller mutation flows through the publication lifecycle. Content-less
-headless sessions (validated-legal config) keep the pre-flip direct
-registration until C4/C5 revisit.
-
-## The five fix slices (each connected-gated inside the cutover)
-
-- **F1** — live movement-stat + server-physics application moved behind
- Runtime ownership (`RuntimeMovementStatsApplication`,
- `ApplyServerPhysicsState`); the post-logout ingest crash on the
- retired controller is eliminated; `RuntimeMovementSkillProjection`
- deleted.
-- **F2** — the login activation wedge (world never revealed): the
- collision-admission prefix gate factored out of the seal (reentrant
- commit could yield terminal `RejectedAuthority`), the rearm's
- generation identity corrected (parked G vs post-retirement G+1), and
- `PlayerModeAutoEntry` now requires the Runtime-published controller
- (`IsPlayerControllerReady` was a constant `true` — one early attempt
- permanently sealed the reveal).
-- **F3** — landblock-prefix `0`-sentinel replaced by explicit absent-id
- representation; map-corner landblocks (grid row/col 0, e.g.
- `0x0000FFFF`) are legal through admission, park/rearm/retire,
- quiescence, and outdoor shadow seeds.
-- **F4** — diagnosis only: the nine-stop soak's convergence failure
- (pendingPublications=1, farBacklog nonzero, landblock/mesh dimensions)
- is **pre-existing `6b28ff99`** (2026-07-31, "make collision activation
- starvation-free"): every far publication clones the complete collision
- world (median ~19.7k leaves / 3.64 ms), so the queue drains ~10
- landblocks/s and never catches its window. Fix requires an O(changed)
- clone (structural sharing or per-landblock atomic unit) — a semantics
- change to that slice's asserted one-leaf-per-step invariant; scheduled
- as its own slice BEFORE C5 (whose gate matrix includes the soak).
-- **F5** — local-player first-entry ground contact: retail seeds contact
- from the first gravity frame's transition touch (`enter_world`
- 0x00516170 carries no seed; local player and remotes share the
- mechanism via `HandleCreateObject` 0x00454C80). The shared
- `SpawnPlacementSettler` (moved App→Core) runs at `FinalizeActivation`
- exactly once; genuinely airborne spawns stay airborne; the outbound
- contact bit chain is asserted end-to-end. The legacy path's
- unconditional `Contact|OnWalkable|Active` force-seed (non-retail, no
- plane) still runs during candidate preparation and is OVERWRITTEN by
- the faithful settle (register AD-61). Fixes the user-observed
- standing-cast "You can't do that while in the air!" rejections.
-
-## Review round R1 (dual Opus: initial FAIL 2+2 MAJOR → delta PASS both)
-
-Retail MAJORs: the login constraint leash (deleted with the legacy
-resolve path; re-armed at the committed placement in
-`FinalizeActivation` — `HandleReceivedPosition` 0x00453FD0 arms on every
-accepted position) and the post-residence rebucket scope (fixed to
-exact-token active-residence). Adversarial MAJORs: content-less headless
-(no drive → legacy registration) and the register rows. Nine minors
-fixed (owner conversion API with active-residence throw, wire-landblock
-guards, drive-pending ledger in `IsConverged`, route attach/detach
-latch, celless conversion for far headless remotes, doc-comment truth,
-per-incarnation cylinder cache, executor-drain drift model documented +
-source-pinned); two tracked (#276, #277 in ISSUES).
-
-## Final gates
-
-Runtime 1,003; App 4,039/3 skips; Headless 79; complete solution
-**10,816 / 0 failed / 4 skips** (Release, `-m:1`). Connected
-lifecycle/reconnect gate **PASS** (`connected-world-gate-20260802-175401`;
-graceful exits, world-visible, zero airborne-rejection strings; run
-`-174811` failed on user-interference fingerprint —
-`activeTeleportCount=1` at the stable checkpoint — and is attributed,
-not counted). The soak stays red for the pre-existing F4 attribution.
-
-## Process lessons (carried to memory)
-
-1. **Report artifacts over marker logs** — three wrong classifications
- this campaign came from reading route/marker logs instead of
- `report.json` (the soak "clean route" was Passed=false with 37
- convergence failures).
-2. **Log lifetime before absence claims** — a 26-second, 67-line log's
- silence about a defect proves nothing (the 122749 misread inverted a
- root-cause classification twice).
-3. **User observation is the cheapest gate** — the standing-cast
- airborne rejections and the black-screen reveal were both
- user-spotted minutes before harness detection.
-4. **The seal finds the bypasses** — sealing the controller setter
- surfaced a runtime-mutation bypass (F1) the compile-break audit could
- not see; expect the same class when sealing any long-lived escape
- hatch.
diff --git a/docs/research/2026-08-02-canonical-body-writer-map.md b/docs/research/2026-08-02-canonical-body-writer-map.md
deleted file mode 100644
index f49dce02..00000000
--- a/docs/research/2026-08-02-canonical-body-writer-map.md
+++ /dev/null
@@ -1,681 +0,0 @@
-# C1 body/controller-publication writer map (2026-08-02)
-
-Repo: `C:\Users\erikn\.codex\worktrees\af5e\acdream`, branch `codex/port-claude-agents`,
-HEAD `ae296393`. READ-ONLY research; this file is the only write target.
-
-Context read: `docs/plans/2026-08-02-placement-cutover.md` (slice C1),
-`docs/research/2026-07-31-remaining-physics-campaign-handoff.md` (rejected-prototype
-section, lines 143-168; prerequisite C, lines 203-221), and
-`docs/research/2026-08-02-cutover-route-inventory.md` route 1 + prerequisite-C
-section (lines 174-220) + route 8 (headless).
-
----
-
-## 1. Every writer of `RuntimeEntityRecord.PhysicsBody`
-
-`PhysicsBody` is `public PhysicsBody? PhysicsBody { get; private set; }`
-(`src/AcDream.Runtime/Entities/RuntimeEntityRecord.cs:72`). The ONLY mutator is
-the internal method `SetPhysicsBody(PhysicsBody? body)`
-(`RuntimeEntityRecord.cs:176-182`):
-```
-internal void SetPhysicsBody(PhysicsBody? body)
-{
- if (ReferenceEquals(PhysicsBody, body)) return;
- PhysicsBody = body;
- PhysicsOwnershipEpoch++; // <-- the ONLY place PhysicsOwnershipEpoch is bumped
-}
-```
-So every "writer" is a caller of `.SetPhysicsBody(...)` (all 6 call sites, confirmed
-by full-repo grep, zero others):
-
-1. **`RuntimeEntityDirectory.cs:359`** — inside
- `GetOrCreatePhysicsBody(RuntimeEntityRecord record, Func factory)`
- (need exact surrounding signature — read below). Public/internal API used by
- the route-1 "SECOND, narrower body-construction duplicate authority" for
- non-player static-animating physics objects
- (`DatLiveEntityProjectionMaterializer.cs:1003-1016`, per the route inventory).
- Guard: only sets if record has no body yet (idempotent-create pattern) — see
- full read below for exact guard.
-2. **`RuntimeEntityObjectLifetime.cs:766`** — `Entities.SetPhysicsBody(canonical, null)`
- inside a teardown method (need to confirm exact method — likely delete/retire
- path, paired with `Entities.SetPhysicsBodyAcquisitionInProgress(canonical, false)`
- at line 767 in the SAME method). Clears body on deletion/teardown.
-3. **`RuntimeLocalPlayerPhysicsPublicationState.cs:405`** — `candidate.Record.SetPhysicsBody(candidate.Body)`
- inside `Commit(token, out activationToken)` (lines 373-411). **THIS IS THE
- DORMANT OPTION-2 MECHANISM** — see section 4 below. Guarded by `IsCurrent(candidate)`
- (epoch/session/identity/null-state re-check, lines 891-922) immediately before,
- and by `_physics.SetPosition.PrepareDormantLocalActivationOwnership(...)` called
- first (line 394) as the "seal the exact SetPosition owner before the
- irreversible no-fail suffix" step — i.e. this call site DOES chain into
- PrepareDormantLocalActivationOwnership per task 4's target.
-4. **`RuntimeLocalPlayerPhysicsPublicationState.cs:1025`** — `_entities.SetPhysicsBody(activation.Record, null)`
- inside `DiscardActivation()` (994-1032), the rollback/teardown path for the
- SAME dormant mechanism — only fires if `_entities.IsCurrent(activation.Record)`
- AND `ReferenceEquals(activation.Record.PhysicsBody, activation.Body)` (i.e.
- never clobbers a body some OTHER newer owner already installed — the exact
- anti-pattern the rejected prototype failed on).
-5. **`RuntimePhysicsState.cs:1558`** — `Entities.SetPhysicsBody(record, candidateBody)`
- — need full read; this is inside the remote/projectile body-binding family
- (see section 3).
-6. **`RuntimePhysicsState.cs:1666`** — `Entities.SetPhysicsBody(record, candidate)`
- — need full read; this is the OTHER binding site, guarded by
- `PhysicsBodyAcquisitionInProgress` (set true at :1645, cleared at :1676/1678).
-
-**Writer count: 6 call sites, across 3 files** (`RuntimeEntityDirectory.cs` x1,
-`RuntimeEntityObjectLifetime.cs` x1, `RuntimeLocalPlayerPhysicsPublicationState.cs` x2,
-`RuntimePhysicsState.cs` x2).
-
-## Consumers of `PhysicsOwnershipEpoch`
-
-Only bumped in one place (`RuntimeEntityRecord.SetPhysicsBody`, above). Consumers
-(all in `RuntimeLocalPlayerPhysicsPublicationState.cs`) treat it as a
-compare-and-reject epoch stamped into every token/activation struct:
-- `RuntimeLocalPlayerPhysicsPublicationToken.PhysicsOwnershipEpoch` (field, :53)
- captured at `Prepare` time (:314).
-- `RuntimeLocalPlayerPhysicsActivationToken.PhysicsOwnershipEpoch` (:70) captured
- as `token.PhysicsOwnershipEpoch + 1UL` (:328) — i.e. the activation token
- encodes "the epoch AFTER my own commit bumps it", so `IsActivationCurrent`
- (931-962) and `IsActivationOwnershipEnvelopeCurrent` (717-745) comparing
- `activation.Record.PhysicsOwnershipEpoch == activation.Token.PhysicsOwnershipEpoch`
- will FAIL (reject) the instant any OTHER writer (remote/projectile bind, GC
- clear, non-player static body creation via `RuntimeEntityDirectory` — none of
- which should ever touch a local-player record, but the check is defense-in-depth)
- touches the same record's PhysicsBody between prepare and commit.
-- `IsCurrent(candidate)` (891-922, pre-Commit re-check) also compares
- `candidate.Record.PhysicsOwnershipEpoch == candidate.Token.PhysicsOwnershipEpoch`
- (unincremented — i.e. "nobody touched the body between Prepare and Commit").
-
-**This IS the reentrancy defense the rejected prototype lacked** — see section 6.
-
-## 2. The two production local-player controller constructions, end to end
-
-### Graphical: `PlayerModeController.BuildControllerAndCamera`
-`src/AcDream.App/Input/PlayerModeController.cs:244-525`. Constructor list
-(52-74) shows it is injected with `RuntimeLocalPlayerMovementState controllerSlot`
-(the SAME slot type headless writes) — confirms the route-inventory's "open
-question" (2026-08-02-cutover-route-inventory.md:204-207): **App DOES write
-`_controllerSlot.Controller = controller` directly, at line 486.** Not a
-mystery/asymmetry — both hosts write the exact same public setter.
-
-Steps, in order:
-1. `_approachCompletions.BeginControllerLifetime()` (250) — App-only approach
- lifecycle token.
-2. Capture rollback snapshots: `_camera.CaptureState()` (255),
- `_shadow.Capture()` (256) — presentation-only.
-3. `new PlayerMovementController(_physics, playerRecord.ObjectClock, PlayerMovementConstructionOptions.From(_skills.Snapshot))`
- (259-262) — **uses the PUBLIC constructor**, whose default publication
- lifecycle is `StandalonePublished` (`PlayerMovementController.cs:617-626`),
- NOT `CandidatePreparing`/`CreatePublicationCandidate`. This is the key
- divergence from the dormant mechanism (section 4): this controller never
- enters the `CandidatePreparing -> CandidateSealed -> RuntimeOwnedDormant ->
- RuntimePublished` lifecycle at all.
-4. Builds `MoveToManager`/`EntityPhysicsHost` closures over captured locals
- (267-346) — presentation-adjacent glue, host-specific.
-5. `EntityPhysicsHostComposition.SelectStableHostWithoutRebind` (347-350) —
- canonical-state read (checks `LiveEntityRecord.PhysicsHost`).
-6. `RuntimeMovementSkillProjection.ApplyTo(_skills, controller)` (366-368).
-7. `ApplyStepHeights(controller, playerEntity, playerGuid)` (375) — **reads
- `DatReaderWriter.DBObjs.Setup` directly** (per headless's own comment
- contrasting itself, `HeadlessSessionWorldProjection.cs:685-689`) — NOT
- through the prepared-collision/`IPreparedCollisionSource` seam headless
- uses. Divergence #1.
-8. `_controllerSlot.BeginMotionPreparation(controller, drainPriorAnimationQueue)`
- (404-407) — the ONE existing narrow "preparation lease" concept already in
- `RuntimeLocalPlayerMovementState` (separate from the dormant physics
- publication state) that lets a synchronous PartArray/type-5 completion
- reach the candidate `MotionInterpreter` before publish.
-9. **Duplicate authority** — `_physics.Resolve(...)` (409-413) then
- `_physics.ResolvePlacement(...)` (422-430) — direct canonical-state-free
- collision resolve, entirely outside `RuntimeSetPositionState`.
-10. `controller.PreparePositionForCommit(...)` (434-437),
- `controller.SetBodyOrientation(...)` (438).
-11. Camera construction + `_camera.EnterChaseMode(...)` (440-447) —
- presentation-only, but happens BEFORE the final canonical commit (445-447
- precede line 482-484) — i.e. camera activation today is NOT gated on a
- Runtime placement acknowledgement.
-12. Re-check host stability (449-458) — throws if the host changed during
- camera activation (defensive, but ad hoc — not an epoch/token check, a
- bespoke `ReferenceEquals` re-read).
-13. Shadow sync (`_shadow.SyncPose(...)`, 460-466).
-14. `EntityPhysicsHostComposition.InstallOrRebind(...)` (472-475) + another
- `ReferenceEquals` stability re-check (476-480).
-15. **Duplicate authority — final commit** (482-484):
- `playerEntity.SetPosition(initial.Position); playerEntity.ParentCellId =
- initial.CellId; controller.CommitPreparedPosition();` — direct writes to
- the App-side `WorldEntity`/render sidecar AND `controller`'s own internal
- frame, bypassing any Runtime `Place` receipt or `RuntimeEntityRecord`
- write. **`RuntimeEntityRecord.PhysicsBody`/`PhysicsOwnershipEpoch` are
- NEVER touched anywhere in this method** — `controller.PhysicsBody` (the
- `_body` field created in step 3) stays a private field of the
- `StandalonePublished` controller; nothing calls
- `Entities.SetPhysicsBody(playerRecord, controller.PhysicsBody)`. This
- means TODAY the canonical `RuntimeEntityRecord.PhysicsBody` slot for the
- graphical local player is **never populated at all** by this path — a
- previously-unstated confirmation that `SubmitPreparedPlacement`'s
- `operation.Record.PhysicsBody is not { } body` requirement (section 3)
- would REJECT any ordinary (non-initial) SetPosition submitted for the
- graphical local player today, because no writer ever puts a body on that
- record. (Route 2's "ForcePosition" duplicate authority,
- `LocalForcePositionTransaction`, works around this by mutating
- `PlayerMovementController`'s own body directly via `BlipPosition`, never
- touching `RuntimeEntityRecord.PhysicsBody` either — internally consistent
- with each other, both equally disconnected from the canonical record.)
-16. Slot commits (485-492): `_hostSlot.Host`, `_controllerSlot.Controller =
- controller` (the public, unguarded setter — bumps `ControllerOwnershipEpoch`
- unconditionally, see section 4), `_chase.Legacy/Retail`, `_mode.IsPlayerMode
- = true`.
-17. `catch`: rolls back camera + shadow only (494-518); does NOT roll back
- steps 15-16 because those are the LAST lines before `lifetimeCommitted =
- true` — structurally "hope nothing after this throws" rather than an
- explicit no-fail invariant.
-
-**Canonical-state mutations in this method: NONE on `RuntimeEntityRecord`**
-(no `SetPhysicsBody`, no `SetFullCell`, no object-clock call) — everything
-mutated is App-local (`WorldEntity`, `PlayerMovementController`'s private
-body, `RuntimeLocalPlayerMovementState.Controller`,
-`LocalPlayerPhysicsHostSlot`, camera, shadow). The ONLY canonical-record
-writes for the local player's initial placement happen earlier in the
-hydration pipeline (`LiveEntityRuntime.MaterializeLiveEntity`/
-`RebucketLiveEntity`, route 1 hops 9-11) — entirely disjoint from this method.
-
-### Headless: `HeadlessSessionWorldProjection.CreateController` + `SynchronizeLocalPlayer`
-`src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs:566-655`
-(read in full).
-
-`SynchronizeLocalPlayer` (566-615):
-1. Guards on `record.ServerGuid == _runtime.PlayerIdentity.ServerGuid` and a
- present `Snapshot.Position` (568-573).
-2. `_collision.CenterOn(position.LandblockId)` (575) — headless collision-
- neighborhood readiness, no graphical analog.
-3. `_runtime.MovementOwner.Controller ?? CreateController(record)` (576-578)
- — lazy-construct-once via the SAME public `Controller` getter/setter
- `RuntimeLocalPlayerMovementState` exposes; no reentrancy guard against two
- concurrent calls both observing `null` (single-threaded host loop makes
- this safe in practice today, not structurally).
-4. `_runtime.EntityObjects.Physics.Engine.Resolve(...)` (589-594) then
- `.ResolvePlacement(...)` (595-605) — **the exact same duplicate-authority
- shape as graphical step 9**, hardcoded `DefaultRadius`/`DefaultHeight`
- constants (visible in the call, actual values not read here) instead of
- `_motionBindings.GetSetupCylinder`.
-5. `controller.SetPosition(...)` + `controller.SetBodyOrientation(...)`
- (610-614) — **duplicate final commit**, headless's version of graphical
- step 15. Also never touches `RuntimeEntityRecord.PhysicsBody`.
-
-`CreateController` (639-655):
-1. `new PlayerMovementController(_runtime.EntityObjects.Physics.Engine, record.ObjectClock, PlayerMovementConstructionOptions.From(_runtime.CharacterOwner.MovementSkills.Snapshot))`
- (642-646) — **same PUBLIC constructor / `StandalonePublished` lifecycle**
- as graphical step 3.
-2. `ApplySetupStepHeights(record, controller)` (649, body at 657-691) —
- **reads via `_preparedCollision.ReadSetupCollision(setupId)`** (668-679),
- the prepared-asset seam, NOT raw DAT — divergence #1 mirrored (headless
- uses the "correct"/prerequisite-B-aligned source; graphical does not).
- **Throws `InvalidDataException`** if the read status isn't `Loaded`
- (672-675) — propagates uncaught up through `SynchronizeLocalPlayer` ->
- `ProjectSpawn`/`ProjectPosition` -> the wire-dispatch call chain. This IS
- gate 10 (late headless prepared-collision failure) manifesting today as an
- unhandled exception, not a retry.
-3. `RuntimeMovementSkillProjection.ApplyTo(_runtime.CharacterOwner.MovementSkills, controller)`
- (650-652).
-4. `_runtime.MovementOwner.Controller = controller;` (653) — **the exact
- same public setter graphical step 16 uses.**
-
-**No headless equivalent of graphical steps 1 (approach lifetime), 8 (motion
-preparation lease), 11-14 (camera + host-stability re-checks), 17 (camera/
-shadow rollback)** — headless has no camera/shadow/approach concept at all
-(confirmed, matches the route inventory's "No headless equivalent of
-graphical hops 12-14/19").
-
-### Top divergences between the two hosts (summary)
-1. **Setup/collision data source**: App reads raw DAT (`ApplyStepHeights` via
- `_dats`/`_datLock`); headless reads the prepared/baked asset
- (`ApplySetupStepHeights` via `IPreparedCollisionSource`). Same target
- values, different pipeline — a real fidelity risk if the two ever diverge
- (baking staleness).
-2. **Default cylinder fallback**: App falls back to `0.48f`/`1.835f` inline
- (`PlayerModeController.cs:416-420`) when `GetSetupCylinder` returns
- `< 0.05f` radius; headless uses named `DefaultRadius`/`DefaultHeight`
- constants at the `ResolvePlacement` call site (:599-600) — same intended
- values, defined in two places.
-3. **Failure handling**: App's `BuildControllerAndCamera` has an explicit
- try/catch/rollback for camera+shadow; headless's `CreateController`/
- `ApplySetupStepHeights` has NO surrounding try/catch — a prepared-collision
- read failure is a raw unhandled exception today.
-4. **Presentation surface**: App additionally owns approach-completion
- lifetime, motion-preparation lease, chase camera, shadow sync — none of
- which headless has or needs.
-5. **Neither host touches `RuntimeEntityRecord.PhysicsBody`, `PhysicsOwnershipEpoch`,
- or any `RuntimeSetPositionState` API** — both are 100% off to the side of
- the canonical record, confirmed by exhaustive grep (section 1's 6 writer
- call sites do not include either `PlayerModeController.cs` or
- `HeadlessSessionWorldProjection.cs`).
-
----
-
-## 3. Every other body binding/consumer
-
-- **Remote dead-reckoning** (`RuntimeRemotePhysicsUpdater.cs` — flagged
- protected/dirty, read-only, NOT modified): grep confirms it only READS
- `record.PhysicsBody` via `ReferenceEquals(record.PhysicsBody, remote.Body)`
- currency checks (line 817) — it does not call `SetPhysicsBody`. The actual
- writer for remote motion is `RuntimePhysicsState.SetRemoteMotion`
- (`RuntimePhysicsState.cs:1446-1570`, full read) — throws
- `InvalidOperationException` on: binding-already-in-progress (1460-1464),
- body-would-be-replaced when a body already exists and doesn't match
- (1487-1492), losing an existing remote-placement contract (1493-1498), or
- post-callback ownership drift detected via a captured
- `sessionVersion`/`expectedBody`/`expectedRuntime` triple re-checked after
- the bind callback (1539-1549, "changed ownership during remote-motion
- binding"). Calls `Entities.SetPhysicsBody(record, candidateBody)` (:1558)
- ONLY when `expectedBody is null` (first bind) via `InitializeNewPhysicsBody`
- (:1556) — i.e. this is throw-on-conflict exclusivity (Option-1 flavor), not
- epoch/token gating. For a LOCAL PLAYER record this path should never fire
- (remote motion is for non-local entities) but the guard is defense-in-depth
- and IS one of the explicit gate checks
- (`!activation.Record.RemoteMotionBindingInProgress`/`RemoteMotion is null`)
- the dormant local-publication mechanism re-validates at every stage
- (section 4).
-- **Projectile binding**: `RuntimeProjectilePhysicsUpdater.cs` similarly only
- READS `record.PhysicsBody` (lines 447, 459, `ReferenceEquals` currency
- checks). The writer is `RuntimePhysicsState.BindProjectile`
- (`RuntimePhysicsState.cs:1309-1382`, full read) — same throw-on-conflict
- shape: binding-in-progress (1343-1347), body-mismatch on rebind
- (1330-1337), must-already-own-canonical-body-before-binding
- (1348-1352, "projectile must borrow its canonical physics body" — i.e.
- UNLIKE remote motion, `BindProjectile` requires `record.PhysicsBody` to
- ALREADY be non-null and matching BEFORE it will bind — it never calls
- `InitializeNewPhysicsBody`/`SetPhysicsBody` itself for a first-time body;
- something else (route 5's `ProjectileController.TryBind`,
- `ProjectileController.cs:176-265` per the route inventory) must construct
- the body ad hoc first via a DIFFERENT path than `GetOrCreatePhysicsBody`
- — worth flagging: **this is a 7th, App-side, ad hoc body-construction site
- not funneled through any of the 6 canonical writer methods** — App's
- `ProjectileController.TryBind` constructs a body and must be setting it onto
- the record through some other route (not confirmed by this pass; App-side
- `ProjectileController.cs` was not read in full — flag as open item, but it
- is explicitly OUT of C1's local-player scope per the campaign handoff's
- gate list item "remote and projectile binding/update" being about
- *interaction with* the local-player transaction, not projectile's own
- authority).
-- **`RuntimeSetPositionState.SubmitPreparedPlacement`** (`RuntimeSetPositionState.cs:2224-2274`,
- full read): requires `operation.Record.PhysicsBody is not { } body` to
- already be true (line 2254) — i.e. EVERY non-initial-construction
- SetPosition submission (ForcePosition, portal, remote Position, projectile
- correction) requires a body to already exist on the record, confirming the
- 6 writer sites in section 1 are the exhaustive set of "who can put the
- FIRST body on a record." For the local player specifically, only
- `RuntimeLocalPlayerPhysicsPublicationState.Commit` (section 4) does this
- today (dormant, unwired); in PRODUCTION, no writer ever populates
- `RuntimeEntityRecord.PhysicsBody` for either host's local player (section
- 2 finding) — meaning `SubmitPreparedPlacement` would reject a local-player
- submission in production today, which is consistent with the route
- inventory's finding that Route 2 (ForcePosition) and Route 3 (portal) both
- bypass `RuntimeSetPositionState` entirely via their own duplicate
- authorities instead.
-- **`RuntimeSetPositionState.PrepareDormantLocalActivationOwnership`**: see
- section 4 — the ONE place the local-player-specific dormant body attach
- happens; requires a pre-opened `Operation` in stage `AwaitingPreparation`
- from `TryBeginExclusiveAuthoredPlacement`.
-- **Object-clock epoch transitions**
- (`RuntimeEntityRecord.SuspendObjectClock`/`ResetObjectClockForEnterWorld`,
- both `internal`, bump `ObjectClockEpoch`): full call-site grep found BOTH
- the expected `RuntimeEntityDirectory` wrapper call sites (which run
- `EnsureKnown(record)` first, `RuntimeEntityDirectory.cs:311-321`) AND
- **direct unwrapped calls from `src/AcDream.App/World/LiveEntityRuntime.cs`
- at lines 879, 891, 897, 1258, 3030, 3033** — App calls
- `record.SuspendObjectClock()`/`record.ResetObjectClockForEnterWorld(...)`
- straight on the `RuntimeEntityRecord` (accessible because these are
- `internal` and `AcDream.App` has `InternalsVisibleTo`), bypassing the
- `RuntimeEntityDirectory` facade's `EnsureKnown` check entirely. This is
- inside `LiveEntityRuntime`'s `RebucketLiveEntity`-family code (comment
- references `prepare_to_enter_world`/retail `update_object`'s parent
- early-out — matches the already-known route-1/prerequisite-D
- `RebucketLiveEntity` duplicate authority). **Previously-unstated
- implication for C1**: the SAME record whose `ObjectClockEpoch` the dormant
- publication mechanism gates on can have its epoch bumped by this
- direct-call path DURING the window between
- `RuntimeLocalPlayerPhysicsPublicationState.Prepare` and `.Commit()`/
- `.CommitActivation()` if `RebucketLiveEntity` runs concurrently for the
- SAME entity (e.g. a second CreateObject/Position causing a re-rebucket
- mid-construction) — the epoch check (`IsCurrent`/`IsActivationOwnershipEnvelopeCurrent`
- comparing `record.ObjectClockEpoch == token.ObjectClockEpoch`) WOULD catch
- and reject this correctly (fail-safe), but it confirms the gate is load-
- bearing against a REAL, already-existing production writer, not a
- hypothetical.
-- **Deletion/teardown**: `RuntimeEntityObjectLifetime.TryAcceptDelete`
- (`RuntimeEntityObjectLifetime.cs:1555+`) calls `Entities.TryDelete` then
- `Entities.RemoveActive(active)` (1587) — this IMMEDIATELY flips
- `Entities.IsCurrent(record)` to `false` for that record (removes it from
- the active-by-guid table), which is the single check
- `CanPrepare`/`IsCurrent`/`IsActivationCurrent`/every gate in section 4
- depends on — so a delete landing at any point rejects the in-flight
- publication transaction on its NEXT check. Full body clear happens later
- in `RuntimeEntityObjectLifetime.CompleteProjectionRetirement`
- (:745-771, called from `RetireCanonicalOnly`/the graphical teardown-ack
- path): `Entities.SetPhysicsBody(canonical, null)` (:766) after
- `Physics.SetPosition.Forget(canonical, releasePreparedMover: true)` (:753,
- cancels any in-flight ordinary placement) and
- `ForgetInitialCreateResidence(canonical)` (:751, cancels any in-flight
- residence lease) — i.e. deletion cancels BOTH placement-lease families
- before clearing the body, consistent with prerequisite E's "quiesce before
- demote" discipline (though for landblock collision, not entity teardown —
- the pattern rhymes).
-- **`RuntimePhysicsState` per-frame body access**: `RuntimeOrdinaryPhysicsUpdater.cs`,
- `RuntimeRemotePhysicsUpdater.cs`, `RuntimeProjectilePhysicsUpdater.cs` each
- gate their per-tick work on `record.PhysicsBody is not { } body` /
- `ReferenceEquals(record.PhysicsBody, body)` currency checks (grep-confirmed,
- e.g. `RuntimeOrdinaryPhysicsUpdater.cs:68,284`) — read-only w.r.t. the
- `PhysicsBody` reference itself (they mutate the BODY's internal fields
- every tick, which is expected/normal simulation, not an ownership-slot
- write). No workset iterates and calls `SetPhysicsBody`. `RuntimePhysicsState.cs`
- itself has only two visible "workset" mentions (`ClearSpatialWorksets` at
- :1951, a doc-comment at :1307) — the ordinary/remote/projectile worksets
- live in their respective `RuntimeXPhysicsUpdater` files, out of this pass's
- read budget beyond the grep-confirmed read-only currency pattern above.
-
----
-
-## 4. `RuntimeSetPositionState.PrepareDormantLocalActivationOwnership` — nucleus or dead end?
-
-**Definition** (`RuntimeSetPositionState.cs:1026-1052`, full read):
-```csharp
-internal void PrepareDormantLocalActivationOwnership(
- RuntimeEntityRecord record, PhysicsBody body,
- in RuntimeEntityPlacementToken token)
-{
- ...
- if (!token.IsValid
- || record.Key != token.Entity
- || !_operations.TryGetValue(token.Entity, out Operation? operation)
- || operation.Token != token
- || operation.Stage is not RuntimeEntityPlacementStage.AwaitingPreparation
- || !ReferenceEquals(operation.Record, record)
- || record.PhysicsBody is not null // <- record must have NO body yet
- || !IsCurrent(operation)
- || body.InWorld
- || (body.TransientState & TransientStateFlags.Active) != 0)
- {
- throw new InvalidOperationException(
- "Dormant local activation must bind to the exact current placement owner.");
- }
- operation.Body = body;
- operation.DormantLocalActivation = true;
-}
-```
-It THROWS (does not return a status) on any invariant violation — by design a
-"this should be structurally impossible if the caller validated first"
-assertion, not a retryable rejection. It requires a PRE-EXISTING placement
-`Operation` already opened via `TryBeginExclusiveAuthoredPlacement`
-(`RuntimeSetPositionState.cs:1004-1024`) in stage `AwaitingPreparation` — i.e.
-it is NOT a standalone entry point; it is ONE STEP inside a larger chain that
-also needs prerequisite B's mover-preparation authority
-(`IsExactPreparedPlacementCurrent`, `RuntimeSetPositionState.cs:1318-1340`)
-satisfied for the SAME token/command before
-`RuntimeLocalPlayerPhysicsPublicationState.CanPrepare` will even call it.
-
-**What it was built for**: it is called from exactly ONE place in the whole
-repo — `RuntimeLocalPlayerPhysicsPublicationState.Commit`
-(`RuntimeLocalPlayerPhysicsPublicationState.cs:394-397`), as the "seal the
-exact SetPosition owner before the irreversible no-fail suffix" step,
-immediately before `candidate.Controller.CommitRuntimeOwnership(...)` and
-`candidate.Record.SetPhysicsBody(candidate.Body)`. It exists purely to make
-the PLACEMENT OPERATION (owned by `RuntimeSetPositionState`) and the BODY
-(owned by `RuntimeEntityRecord`) become mutually aware atomically, so that
-the SAME operation can later be walked through the full retail SetPosition
-staged commit (ground phase -> collision dispatch -> response -> final
-commit) via `TryEvaluateDormantLocalActivation` ->
-`TryPrepareDormantLocalActivationCommit` ->
-`TryApplyDormantLocalActivationCommit` ->
-`TryPrepareDormantLocalActivationFinalCommit` ->
-`TryApplyDormantLocalActivationFinalCommit`
-(`RuntimeSetPositionState.cs:2025-2077`, full read of the final-commit
-method) — the LAST of which is where `_entities.SetFullCell`,
-`_entities.AdvancePlacementCommit`, `body.InWorld = true`,
-`_entities.SetPhysicsHost`, `controller.CommitRuntimeActivationFrame()`,
-`_physics.Engine.UpdatePlayerCurrCell`, `_physics.AcknowledgeSpatialProjection`,
-`_entities.ResetObjectClockForEnterWorld` (object-clock epoch bump, task 3),
-and `controller.ActivateRuntimePublication()` (controller goes LIVE) ALL
-happen in one synchronous, no-branch-for-failure block (:2025-2077), gated
-immediately before by `IsDormantLocalActivationPrephaseCurrent`/re-validated
-epoch checks. **This is genuinely the full retail SetPosition commit,
-already ported, already wired to the same body/controller the dormant
-publication candidate built.**
-
-**Verdict: NUCLEUS, not a dead end** — but it is only ONE LOAD-BEARING STEP
-inside a much larger, ALREADY-COMPLETE mechanism:
-`RuntimeLocalPlayerPhysicsPublicationState` (1033 lines,
-`src/AcDream.Runtime/Gameplay/RuntimeLocalPlayerPhysicsPublicationState.cs`)
-+ its ~15 `RuntimeSetPositionState` dormant-activation methods. Constructed
-once at `GameRuntime.cs:261` and exposed via
-`RuntimeLocalPlayerMovementState.PhysicsPublication` (:59-61, itself
-`internal`, throws if unbound). **Confirmed by exhaustive grep: ZERO
-production callers in `src/AcDream.App/` or `src/AcDream.Headless/`** — the
-only callers anywhere are `tests/AcDream.Runtime.Tests/Gameplay/RuntimeLocalPlayerPhysicsPublicationStateTests.cs`.
-This is, functionally, **Option 2 from the rejected-prototype note ("Off-
-canonical preparation followed by one validated atomic Runtime commit that
-publishes the prepared controller/body relationship without copying stale
-state over newer authority") already built end to end** — complete with:
-- a `Prepare`/`Commit`/`Discard` triad for the BODY/CONTROLLER pair
- (analogous to, and reusing, the SAME token-epoch pattern as
- `RuntimeSetPositionState`'s ordinary placement operations);
-- a SEPARATE `EvaluateActivation`/`CommitActivation`/`DiscardActivation` triad
- for actually driving the body through retail SetPosition's staged commit
- once the body/controller pair is sealed;
-- re-validation of `PhysicsOwnershipEpoch`, `ObjectClockEpoch`,
- `ControllerOwnershipEpoch`, `SessionLifetimeVersion`, identity
- `ServerGuid`+`Revision`, and null/in-progress state for RemoteMotion/
- Projectile/PhysicsHost/DeleteAcceptedForTeardown at EVERY external entry
- point (`CanPrepare`, `IsCurrent`, `IsActivationCurrent`,
- `IsActivationOwnershipEnvelopeCurrent`,
- `IsCommittedActivationSuffixCurrent`) — this IS the reentrancy defense the
- rejected snapshot-lease prototype explicitly lacked (see section 6).
-
-**What is genuinely missing (the real C1 work), given this mechanism already
-exists:**
-1. Nobody calls `TryBeginExclusiveAuthoredPlacement` + prerequisite B's
- `PrepareMover`/`ReadSetupCollision` chain + `PhysicsPublication.Prepare`/
- `Commit`/`EvaluateActivation`/`CommitActivation` from either host — this IS
- the wiring gap, exactly like every other route in the cutover.
-2. **The public `RuntimeLocalPlayerMovementState.Controller` setter
- (`RuntimeLocalPlayerMovementState.cs:37-50`) remains a live, unguarded
- escape hatch** — both `PlayerModeController.BuildControllerAndCamera:486`
- and `HeadlessSessionWorldProjection.CreateController:653` write it
- directly today, and NOTHING stops either host from continuing to do so
- even after C1 wires the dormant mechanism, unless that direct-write path
- is deleted/sealed off (e.g. made `internal` to only
- `RuntimeLocalPlayerPhysicsPublicationState`/`CommitRuntimeOwnedController`).
- The setter has NO epoch/token check on write (`CanCommitRuntimeOwnedController`
- is a SEPARATE, unused-by-the-setter validation method) — it will happily
- accept a second unguarded assignment even while a dormant activation is
- in flight, silently retiring whatever the dormant mechanism just
- published (`_controller?.RetireRuntimePublication()` at :45, which is a
- real no-op for anything not currently `RuntimeOwnedDormant`/
- `RuntimePublished` — see section 6 gate 7). **This is the single most
- important pre-existing defect C1 must close: the "exclusive" adjective in
- prerequisite C's "one Runtime-owned exclusive/versioned...transaction"
- is not yet true while this direct setter remains reachable from hosts.**
-3. Neither `new PlayerMovementController(physics, objectClock, options)`
- (public ctor, `StandalonePublished`) call site in the two hosts has been
- swapped for `PlayerMovementController.CreatePublicationCandidate` — until
- that swap happens, controllers built by either host never enter the
- `CandidatePreparing/CandidateSealed/RuntimeOwnedDormant/RuntimePublished`
- lifecycle the dormant mechanism's gates all key off of.
-
----
-
-## 5. `PlayerMovementController` construction requirements
-
-Constructor needs (from both direct-ctor call sites AND
-`CreatePublicationCandidate`, `PlayerMovementController.cs:617-690`):
-- `PhysicsEngine physics` (shared engine reference, both hosts pass their own
- `RuntimePhysicsState`/`_runtime.EntityObjects.Physics.Engine`).
-- `RetailObjectQuantumClock? objectClock` — App passes `playerRecord.ObjectClock`
- (the CANONICAL record's clock, `RuntimeEntityRecord.ObjectClock` at
- `RuntimeEntityRecord.cs:62`, always non-null per its field initializer);
- headless passes `record.ObjectClock` identically. The dormant mechanism's
- `CreatePublicationCandidate` instead passes a THROWAWAY
- `new RetailObjectQuantumClock()` (`PlayerMovementController.cs:687-688`) at
- construction time and only swaps in the REAL
- `candidate.Record.ObjectClock` later, inside `Commit`, via
- `controller.CommitRuntimeOwnership(candidate.Record.ObjectClock)`
- (`RuntimeLocalPlayerPhysicsPublicationState.cs:403-404` ->
- `PlayerMovementController.cs:774-786`) — i.e. the dormant candidate is
- built against a SCRATCH clock so construction can never observe or mutate
- the canonical record's real clock before the atomic commit swaps it in.
- This is exactly the "off-canonical preparation" half of Option 2.
-- `PlayerMovementConstructionOptions` (RunSkill/JumpSkill) — both hosts build
- via `PlayerMovementConstructionOptions.From()`; the dormant mechanism's `Prepare` also takes this as a caller-
- supplied parameter (`Prepare(..., PlayerMovementConstructionOptions
- options, ...)`, :191) — no divergence in shape, only in WHERE the skill
- snapshot is read from (App's local `_skills` field vs. headless's
- `_runtime.CharacterOwner.MovementSkills` vs. the dormant mechanism taking
- it as a caller parameter either way).
-
-What construction MUTATES (beyond the private `_body`): `LocalEntityId`,
-`StepUpHeight`/`StepDownHeight` (Setup-derived), `SphereList` (Setup-derived,
-prerequisite B territory), `ObjectScale`, initial position/orientation via
-`PreparePositionForCommit`/`SetBodyOrientation`, physics state via
-`ApplyPhysicsState`, `MoveToFactory`/`PositionManager`
-(`MovementManager`/`MotionInterpreter` wiring). ALL of this is exactly what
-`RuntimeLocalPlayerPhysicsPublicationState.Prepare`
-(`RuntimeLocalPlayerPhysicsPublicationState.cs:187-355`) already does against
-its private `CreatePublicationCandidate`-built controller, reading
-`command.Physics.StepUpHeight/StepDownHeight/Spheres/Scale/Position/CellId/
-CellLocalPosition/Orientation` from the CALLER-SUPPLIED
-`RuntimeSetPositionCommand` (i.e. the command already carries everything
-prerequisite B's mover-preparation chain produces) rather than reaching into
-DAT/prepared-collision itself.
-
-**What an "off-canonical preparation followed by one validated atomic commit"
-must DEFER** (confirmed by the dormant mechanism's own design, section 4):
-- The record's REAL `ObjectClock` (use a scratch clock during prep).
-- `RuntimeEntityRecord.PhysicsBody`/`PhysicsOwnershipEpoch` (never touch the
- canonical record during prep; only `SetPhysicsBody` inside `Commit`, and
- only after `PrepareDormantLocalActivationOwnership` succeeds).
-- `RuntimeLocalPlayerMovementState.Controller`/`ControllerOwnershipEpoch`
- (only via `CommitRuntimeOwnedController`, never the public setter, during
- prep).
-- `body.InWorld`/`TransientState.Active` (explicitly forced false during prep,
- `Prepare`, :292-293) — the body must not be simulatable until the LATER
- activation commit flips it (`TryApplyDormantLocalActivationFinalCommit`,
- `body.InWorld = true` at :2056).
-- World-residence/host/shadow/camera publication (all deferred to the
- activation phase / presentation-observer layer, never inside `Prepare`).
-
----
-
-## 6. Adversarial gate list — exact code paths that would race TODAY
-
-(Campaign handoff's list, `docs/research/2026-07-31-remaining-physics-campaign-handoff.md:210-221`.)
-For each: what the ALREADY-BUILT dormant mechanism does (if wired) vs. what
-the CURRENT production direct-construction paths do (today, unwired).
-
-1. **Nested construction** — Dormant: `CanPrepare` requires `_activation is
- null` AND `record.PhysicsBody is null` AND `_movement.Controller is null`
- (`RuntimeLocalPlayerPhysicsPublicationState.cs:862-889`) — a second
- `Prepare` while one is in flight is REJECTED structurally. Today: NEITHER
- `BuildControllerAndCamera` NOR `CreateController` has any such guard —
- `CreateController`'s `_runtime.MovementOwner.Controller ?? CreateController(record)`
- (`HeadlessSessionWorldProjection.cs:576-578`) is a bare null-coalesce, not
- an atomic test-and-set; only single-threaded host-loop scheduling
- prevents an actual race today.
-2. **Reentrant SetPosition** — Dormant: every gate re-checks
- `PhysicsOwnershipEpoch`/`record.PositionAuthorityVersion` currency.
- Today: `BuildControllerAndCamera`'s final mutation
- (`playerEntity.SetPosition`/`ParentCellId`/`CommitPreparedPosition`,
- PlayerModeController.cs:482-484) has zero epoch check — a same-thread
- reentrant call (e.g. from a nested wire dispatch) would silently
- clobber with no detection.
-3. **Remote and projectile binding/update** — Dormant: `CanPrepare`/
- `IsCurrent`/`IsActivationCurrent` all check `record.RemoteMotion is null`,
- `record.Projectile is null`, `!RemoteMotionBindingInProgress`,
- `!ProjectileBindingInProgress` (defense-in-depth; should never legitimately
- fire for a local-player record). Today: no such check exists in either
- host's direct construction path.
-4. **Deletion and same-GUID new incarnation** — Dormant: `_entities.IsCurrent(record)`
- checked at every gate; `TryAcceptDelete` -> `RemoveActive` flips this
- immediately (section 3). Today: `BuildControllerAndCamera`/`CreateController`
- take a fixed `RuntimeEntityRecord`/`WorldEntity` parameter with NO
- re-validation against current canonical identity at the final commit.
-5. **Projection-owner replacement** — Dormant: `_entities.SessionLifetimeVersion
- == token.SessionGenerationAuthority` checked throughout. Today: no
- generation check in either direct path.
-6. **Object-clock epoch change** — Dormant: `ObjectClockEpoch` compared at
- every gate (section 3/4). Today: no check; AND there is a REAL, live
- concurrent writer already in production —
- `LiveEntityRuntime.cs:879/891/897/1258/3030/3033`'s direct
- `record.SuspendObjectClock()`/`ResetObjectClockForEnterWorld(...)` calls
- inside the `RebucketLiveEntity` family (section 3) — this is not a
- hypothetical gate, it is a currently-active call path on the SAME record
- type.
-7. **Reset and disposal** — Dormant: `ResetSession()`/`Dispose()` on
- `RuntimeLocalPlayerMovementState` explicitly cascade into
- `_physicsPublication?.ResetSession()`/`Dispose()`
- (`RuntimeLocalPlayerMovementState.cs:244-295`), which tear down
- candidate/activation state via `ReferenceEquals`-gated clears (never
- clobbering a newer owner, `DiscardActivation`,
- `RuntimeLocalPlayerPhysicsPublicationState.cs:1002-1032`). Today's direct-
- construction controllers are built via the PUBLIC constructor
- (`StandalonePublished` lifecycle) — **`RetireRuntimePublication()`
- (`PlayerMovementController.cs:837-846`) only transitions
- `RuntimeOwnedDormant`/`RuntimePublished` state; it is a NO-OP for
- `StandalonePublished` controllers** — a previously-unstated finding: TODAY,
- `ResetSession()`/`Dispose()`/replacing `.Controller` on either host's
- directly-built controller produces NO explicit lifecycle transition at
- all; the controller is simply dropped/GC'd. Not a visible bug today
- (nothing reads `IsRuntimePublished` for these), but it means today's
- controllers are invisible to the exact teardown bookkeeping C1's target
- mechanism relies on.
-8. **Commit and rollback after replacement** — Dormant: ALL validation
- happens before the single canonical mutation
- (`PrepareDormantLocalActivationOwnership`, which itself throws leaving
- state untouched on failure); everything after is documented as
- "callback-free, non-allocating, and cannot fail"
- (`RuntimeLocalPlayerPhysicsPublicationState.cs:391-393`) — no rollback-
- after-newer-authority path exists BECAUSE nothing after that point can
- fail by construction. Today: `BuildControllerAndCamera`'s try/catch rolls
- back camera+shadow only; the final `playerEntity.SetPosition`/
- `ParentCellId`/`CommitPreparedPosition` triad (482-484) has nothing after
- it that can throw, so it's accidentally safe today, not structurally
- guaranteed.
-9. **Late graphical camera/shadow/host failure** — Today: `BuildControllerAndCamera`
- DOES handle this (explicit `_camera.RestoreState`/`_shadow.Restore` in the
- catch block, 494-518) — this is the ONE gate the CURRENT graphical path
- already handles reasonably. The dormant Runtime-side mechanism has NO
- camera/shadow concept (presentation-independent by design) — C1 must
- layer this handling in the PRESENTATION/observer phase (post-Runtime-
- commit), matching prerequisite D's rule that a host exception must not
- roll Runtime back, only retry the FIFO head.
-10. **Late headless prepared-collision failure** — Today:
- `ApplySetupStepHeights` (`HeadlessSessionWorldProjection.cs:657-691`)
- throws a raw, uncaught `InvalidDataException` (672-675) if the prepared
- Setup collision isn't `Loaded` — this propagates up through
- `CreateController` -> `SynchronizeLocalPlayer` -> `ProjectSpawn`/
- `ProjectPosition` with NO try/catch anywhere in between (grep-confirmed
- no surrounding try/catch in `HeadlessSessionWorldProjection.cs`'s these
- methods) — a genuinely unhandled-exception risk in production headless
- TODAY, not just a hypothetical C1 gate.
-
----
-
-## Summary for the C1 contract
-
-- **Writer count**: 6 confirmed call sites of `RuntimeEntityRecord.SetPhysicsBody`
- across 3 files (`RuntimeEntityDirectory.cs:359`,
- `RuntimeEntityObjectLifetime.cs:766`,
- `RuntimeLocalPlayerPhysicsPublicationState.cs:405,1025`,
- `RuntimePhysicsState.cs:1558,1666`) — plus a probable 7th App-side ad hoc
- projectile body-construction site not yet traced to a canonical writer
- (flagged, out of local-player scope).
-- The dormant `RuntimeLocalPlayerPhysicsPublicationState` +
- `RuntimeSetPositionState`'s ~15 dormant-activation methods already
- implement essentially the COMPLETE Option 2 transaction (off-canonical
- prepare against a scratch clock/sealed candidate controller, single
- validated atomic commit, full retail-staged SetPosition activation) with
- epoch/token/generation/identity re-validation at every external entry
- point — it has ZERO production callers in either host.
-- The single largest remaining defect even AFTER wiring: the public
- `RuntimeLocalPlayerMovementState.Controller` setter is an unguarded escape
- hatch both hosts currently use directly; it must be sealed (made
- unreachable from hosts, or itself epoch-gated) for the word "exclusive" in
- prerequisite C to be true.
diff --git a/docs/research/2026-08-02-collision-throughput-handoff/NEXT-AGENT-PROMPT.md b/docs/research/2026-08-02-collision-throughput-handoff/NEXT-AGENT-PROMPT.md
deleted file mode 100644
index b312896b..00000000
--- a/docs/research/2026-08-02-collision-throughput-handoff/NEXT-AGENT-PROMPT.md
+++ /dev/null
@@ -1,285 +0,0 @@
-# Next-agent prompt — finish the retail placement/collision campaign
-
-Continue acdream from the 2026-08-03 stabilization checkpoint. The code is
-modern; behavior must remain retail-faithful. The campaign is playable again,
-but it is **not closed**.
-
-## Start here
-
-Use the merged local `main` worktree:
-
-```text
-C:\Users\erikn\source\repos\acdream
-```
-
-The completed fixes originated on `codex/port-claude-agents` and are merged
-into local `main`. Confirm the exact starting commit with `git rev-parse HEAD`
-and read the operator's handoff message for the merge SHA. Do not reset,
-clean, or overwrite the main worktree's untracked research/reference files.
-The original feature worktree remains at:
-
-```text
-C:\Users\erikn\.codex\worktrees\af5e\acdream
-```
-
-That feature worktree contains protected user-local modifications and is not
-the preferred continuation workspace.
-
-Read these files in order before editing:
-
-1. `CLAUDE.md` and `AGENTS.md`.
-2. `docs/plans/2026-08-02-placement-cutover.md` — canonical placement-cutover
- plan and the 2026-08-03 checkpoint.
-3. This prompt.
-4. `docs/research/2026-08-02-collision-throughput-handoff/implementer-progress.md`
- — especially `## P1` and the final stabilization checkpoint.
-5. `docs/research/2026-08-02-collision-throughput-handoff/p1-retirement-receipt-loop.md`.
-6. `docs/research/2026-08-02-c3c-cutover-closeout.md`.
-7. `docs/ISSUES.md` #269 and #276–#280.
-8. `docs/architecture/retail-divergence-register.md` rows AP-1, AP-22,
- AP-131, AD-1, AD-10, AD-60, and TS-28.
-
-`docs-drafts.md` is now explicitly historical. Do **not** apply it wholesale:
-it predates the final fixes and incorrectly tries to reuse issue number #280.
-
-## Binding rules
-
-- Grep `docs/research/named-retail/acclient_2013_pseudo_c.txt` by named
- `class::method` before fresh decompilation. Retail behavior is the oracle.
-- Preserve the modern Runtime-owned, presentation-independent architecture.
- Graphical and headless hosts must use the same canonical gameplay owners.
-- Root causes only. Do not add timeouts, grace periods, suppression flags,
- catch-and-swallow paths, duplicated placement writers, or compatibility
- bypasses to make a test green.
-- The user's connected observations are acceptance facts. A green automated
- test cannot overrule a live regression.
-- Never use `git add -A`, `git add .`, `git reset --hard`, or
- `git checkout -- `. Stage exact paths only.
-- Do not delete or normalize unrelated/untracked worktree content.
-- Each independent fix must be a bisectable commit whose message records the
- root cause and evidence.
-- Update the divergence register and issues in the same commit that changes
- their truth. Retire a row only when its exact legacy mechanism is gone.
-- Do not push unless the user explicitly asks.
-- Connected tests require the user's ACE server at `127.0.0.1:9000`. Close
- the client gracefully before reconnecting so ACE releases the session.
-
-## What has been completed
-
-### C3c and collision-publication checkpoint
-
-- `529e0e9d` — C3c production first-entry cutover for graphical and headless
- hosts.
-- `71604331` — O(changed) per-landblock collision publication checkpoint.
- Its original commit was deliberately marked WIP after the first feel test;
- do not treat that old label as the current product status. The following
- fixes addressed the observed failures.
-
-### Stabilization fixes, all user-verified where visual behavior applies
-
-1. `01f4791e` — **retirement-receipt replay loop fixed.**
- - Root cause: a pending-only live-projection bucket was promoted to a
- second full landblock cleanup receipt after the first detach had already
- committed. The duplicate guard threw; a broad resumable path replayed
- the detach 243 times.
- - Fix: retain pending identities without manufacturing another receipt;
- post-commit receipt invariants are terminal, not resumable.
- - Evidence: focused recenter tests; complete Release suite 10,815 passed /
- 4 skipped; lifecycle report
- `logs/connected-world-gate-20260802-203751/report.json`; nine-stop report
- `logs/connected-r6-soak-20260802-204309.report.json` with `Passed=true`,
- nine checkpoints, zero failures, zero wait cues, zero pending
- retirements, and no recurrence of the 243x exception.
-
-2. `670f307c` — **remote placement and targeting share one world frame.**
- - Root cause: CreateObject positions are landblock-local, but Runtime
- submitted remote first-entry placement with zero world offset; the local
- physics host also published a landblock-local origin to targeting.
- - Fix: Runtime owns the accepted local-player world center, converts remote
- Create placement before SetPosition, and publishes the local body's world
- position.
- - User gate: monsters and statics place correctly; monsters chase and hit
- the visible player instead of attacking another coordinate.
-
-3. `1fc529cd` — **distant Use/approach restored.**
- - Root cause: Runtime object lookup is intentionally non-constructing, so a
- static door/corpse could enter MoveTo without a physics host and its
- target snapshot expired at the origin. Startup placement could also
- leave an impossible pre-PartArray motion suffix ahead of later actions.
- - Fix: ensure the canonical minimal static host before routing MoveTo and
- reconcile the startup suffix exactly at presentation attach.
- - User gate: near and distant object use works, including approach, turn,
- and use after arrival.
-
-4. `f24532ad` — **spell, recall, projectile, and static VFX binding fixed.**
- - Root cause: C3c could create effect/projectile/static-animation sidecars
- before first SetPosition had bound the entity's mesh, pose, cell, and
- visibility. One-shot F754/F755 packets were lost and projectiles could
- inherit a cell-less body.
- - Fix: exact-incarnation presentation barrier and FIFO replay; retry
- projectile/static binding on the committed visibility edge; synchronize
- effect cells on rebucket.
- - User gate: buffs/protections, recall effects, arrows, combat spell
- projectiles, portals, and static animation all work.
-
-5. `175ad6b0` — **login materialization acknowledgement fixed.**
- - Root cause: ACE creates the local player Hidden and releases that state on
- LoginComplete. Sending LoginComplete from raw F746 receipt raced first
- canonical placement and left the purple haze over the character.
- - Fix: one completion callback from Runtime's local first-entry terminal
- edge; content-less headless retains its only truthful accepted-Create
- edge.
- - User gate: ordinary login no longer leaves the purple haze; recall still
- has the intended materialization presentation.
-
-### Latest focused verification
-
-After the final fix, these passed:
-
-- 90 focused App effect/projectile/static-animation scheduler tests.
-- Two focused Runtime login-completion tests.
-- The exact live-entity cell-tracking regression.
-- All 79 Headless tests.
-- `dotnet build AcDream.slnx -c Release --no-restore` with zero errors
- (existing warnings remain).
-
-The long complete suite and connected nine-stop soak were **not rerun after
-the final four stabilization commits**. The P1 soak proves P1's binary, not
-the final campaign binary.
-
-## What remains — execute in this order
-
-### 1. Reconcile the six selected-fixture failures
-
-A broad selected run after cleanup exposed:
-
-- five failures in `LiveEntityRuntimeTests`, associated with the still-open
- placement/cell cutover;
-- one old `RuntimeLiveEntitySessionControllerTests` remote-first-entry fixture
- that provides an empty collision source while the production contract now
- requires truthful collision admission.
-
-Re-run these two classes first and record the exact test names and assertions.
-Classify each as either a real product failure or a stale fixture. If stale,
-update the fixture to provide the same valid prepared collision neighborhood
-as production; never weaken the product contract or merely change expected
-values. If real, fix the owning production mechanism and add a smaller
-regression test.
-
-Suggested first commands:
-
-```powershell
-$env:ACDREAM_PAK_PATH='C:\Users\erikn\Documents\Asheron''s Call\acdream.pak'
-dotnet test tests/AcDream.App.Tests/AcDream.App.Tests.csproj -c Release --no-restore --filter FullyQualifiedName~LiveEntityRuntimeTests -m:1
-dotnet test tests/AcDream.Runtime.Tests/AcDream.Runtime.Tests.csproj -c Release --no-restore --filter FullyQualifiedName~RuntimeLiveEntitySessionControllerTests -m:1
-```
-
-### 2. Finish C4: remaining authoritative placement routes
-
-The plan still marks routes 2–7 open:
-
-- route 2: ForcePosition;
-- route 3: portal placement through `RuntimeWorldTransitState` and
- `RuntimePortalPlacementAuthority`;
-- route 4: remote Create/Position, deleting the remaining
- `RemoteTeleportController`/inline MoveOrTeleport duplicate;
-- route 5: authoritative projectile correction;
-- route 6: drops and split-recovery marking;
-- route 7: pickup, parent-detach, and delete/recreate residue.
-
-Inventory every current writer before editing. For each route, prove:
-
-- one Runtime SetPosition transaction owns accepted frame, exact cell,
- collision result, shadow/workset membership, and deferred-cell lifetime;
-- App only projects the committed result;
-- graphical and headless hosts use the same command and state path;
-- stale sequences, delete/GUID reuse, missing cells, portal generations, and
- replacement collision generations cannot commit old state;
-- no route reconstructs from a stale spawn or uses the legacy outdoor demote/
- terrain-Z lift.
-
-Resolve #276 when the spawn settler's resolved `CellId` becomes authoritative.
-Resolve #277 with a real service-window/celless lifecycle instead of relying
-on ACE's current broadcast radius.
-
-### 3. Fix #280: destination prefetch before portal reveal
-
-Current behavior waits only a hard-coded radius-one (3x3) outdoor
-neighborhood, while the visible configured world extends farther. The user
-can see distant terrain continue building after portal exit.
-
-Port the retail mechanism, not a larger magic number:
-
-- `CellManager::PreFetchCells @ 0x00455820`;
-- `LScape::PreFetchCells @ 0x00505660`;
-- `CLandBlock::PreFetchCells` and `CLandBlockInfo::PreFetchCells`;
-- `SmartBox::UseTime @ 0x00455410` while `blocking_for_cells`;
-- the `TAS_TUNNEL_CONTINUE` resume/reveal order.
-
-Use the quality/view-distance configured destination window. Hold one
-generation-scoped reservation across terrain, buildings/statics, EnvCells,
-render publication, composite textures, and collision. Keep portal UI and
-wait cue responsive. Never reveal early because of a timeout, and do not wait
-for an impossible terminal marker for all dynamic ACE objects.
-
-Acceptance: repeated login, `/ls`, spell recall, and portals at every quality
-setting reveal no constructing terrain, missing nearby statics/buildings,
-unready interiors, missing composites, or absent nearby collision. Dynamic
-monsters/items may still arrive later from ACE.
-
-### 4. C5 closeout and live gates
-
-After steps 1–3:
-
-1. Delete every superseded placement writer and compatibility projection.
-2. Run focused Runtime/Core/App tests for every route.
-3. Run the complete Release solution suite with the installed pak.
-4. Run the exact lifecycle/reconnect route.
-5. Run the canonical nine-stop soak on the **final binary**. Read
- `report.json`, not marker output. Required: `Passed=true`, zero failures,
- every canonical checkpoint, `waitCueShown=false`, zero pending
- publication/retirement/reveal debt, graceful exit, and no render-shadow
- mismatch. Diagnose any real failure; do not rerun past it.
-6. Perform two-client observation for remote creation, chase/attack, doors,
- drops/pickups, portal departure/arrival, arrows, and spells.
-7. Ask the user for the remaining #269/#278 slope-glide comparison at the
- known impassable slope.
-
-Only then retire AP-1, AD-1, AP-131, and the legacy half of AD-60 and close
-the corresponding placement issues.
-
-### 5. Finish the original physics-divergence campaign
-
-After placement C5 is green:
-
-- **AP-22:** make `ShadowShapeBuilder` the sole authority for authored Setup
- collision shapes. Preserve cylinder order; use authored spheres when there
- are no cylinders; cylinder-first for mixed data; truly shapeless means no
- shadow. Remove invented `Setup.Radius` cylinders, `Radius * 2` heights, and
- sphere-to-cylinder coercion across graphical, headless, static, and live
- paths.
-- **AD-10:** prove remote motion uses the full transition sweep, remove
- terrain-normal preprojection, and let `CTransition::adjust_offset` project
- against the actual retained contact plane. Preserve interpolation,
- correction replacement, Hidden state, and network cadence.
-- Run the final movement/collision matrix and update the divergence ledger,
- architecture, roadmap, milestones, memory, `CLAUDE.md`, and `AGENTS.md`.
- Resume vendor Slice 5 only after this campaign is genuinely closed.
-
-## Required deliverable
-
-For every remaining item report:
-
-- observed failure and deterministic reproduction;
-- retail/reference evidence with named functions and addresses;
-- root cause in plain language plus file/line evidence;
-- exact fix and why it preserves Runtime ownership;
-- tests added or corrected;
-- commit SHA;
-- complete build/test/connected-gate numbers;
-- user visual result where required;
-- divergence/issue rows retired, narrowed, or left open.
-
-Finish with an explicit list of anything still open. Do not describe the
-campaign as complete while any C4 route, #280, final-binary soak, AP-22,
-AD-10, or required user visual gate remains.
diff --git a/docs/research/2026-08-02-collision-throughput-handoff/design-note.md b/docs/research/2026-08-02-collision-throughput-handoff/design-note.md
deleted file mode 100644
index dffd67cc..00000000
--- a/docs/research/2026-08-02-collision-throughput-handoff/design-note.md
+++ /dev/null
@@ -1,411 +0,0 @@
-# O(changed) collision clone — design note
-
-**Phase:** research + design only. No production edits, nothing staged, no probes left
-behind. Worktree `C:\Users\erikn\.codex\worktrees\af5e\acdream`, branch
-`codex/port-claude-agents`, HEAD `c52ce14a`.
-
-**Problem:** the collision-generation staging clone is O(resident world) per landblock
-publication, so loading an N-landblock ring costs O(N²). The far ring never converges.
-C3c made it user-visible (late monster pop-in, extended/stuck portal space, portal-exit
-pop-in, failing nine-stop soak) but did not cause it.
-
----
-
-## (a) What the one-leaf-per-step invariant actually protects
-
-### It is a frame-time bound. Nothing else.
-
-The whole-world copy did not arrive with `6b28ff99`. It arrived one commit earlier, in
-`be94bc9b` "fix(physics): activate collision generations atomically" (2026-07-31), as a
-**synchronous** copy performed in a single call at admission:
-
-```csharp
-// be94bc9b, PhysicsEngine.CreateCollisionStagingCopy
-foreach ((uint id, LandblockPhysics landblock) in _landblocks)
- staging._landblocks[id] = landblock;
-staging.ShadowObjects.CopyCollisionStateFrom(ShadowObjects, stagingCache);
-```
-
-`6b28ff99` "make collision activation starvation-free" replaced that with
-`CollisionStagingBuilder` (`src/AcDream.Core/Physics/PhysicsEngine.cs:785-941`), which
-performs the *same* copy chopped into single leaves across frames. The retired AD-6 row
-states the purpose verbatim
-(`docs/architecture/retail-divergence-register.md:113`):
-
-> "Admission captures the active root in O(1); a stable landblock/owner slot suffix
-> materializes non-target leaves incrementally, **so resident-world size cannot become a
-> synchronous clone spike**."
-
-The committed test says the same thing three ways
-(`tests/AcDream.Runtime.Tests/Physics/RuntimePhysicsStateTests.cs:921-991`):
-
-| Assertion | line | What it pins |
-|---|---|---|
-| `Assert.InRange(admissionAllocation, 1L, 128L*1024L)` | :973 | admission allocates a constant |
-| `Assert.Equal(0, prepared.Engine.LandblockCount)` | :974 | admission copies no resident landblock |
-| `Assert.InRange(step.WorkUnits, 0, 1)` | :983 | **the copy is chopped to one leaf per host step** |
-| `Assert.True(advances > residentLandblocks)` | :988 | it really walked the resident world |
-| `Assert.Equal(residentLandblocks, prepared.Engine.LandblockCount)` | :989 | the draft ends up holding the whole world |
-
-So the invariant protects **hitch avoidance**: a dense resident world must not produce
-one long synchronous copy inside a single update step. It is a *scheduling* property
-asserted as a *mechanism*, which is why the batching lever tripped it.
-
-### What it does NOT protect
-
-- **Not concurrent-reader isolation.** That is `CollisionWorldStateSlot.TransferTo`'s
- single `Volatile.Write` (`src/AcDream.Core/Physics/CollisionWorldState.cs:66-84`).
- And a full threading audit of every writer and reader of `CollisionWorldState` found
- **no concurrent reader or writer exists**: `GameWindow` runs one Silk.NET loop thread;
- `UpdateFrameOrchestrator.Tick` runs `_streaming.Tick()` → `DrainAndApply` and then the
- live/physics/camera phases strictly sequentially on that thread; the only background
- workers (`LandblockStreamer` worker thread, `EnvCellRenderer` `Parallel.ForEach`,
- `ObjectMeshManager` `Task.Run`) never touch `PhysicsDataCache` / `CellGraph` /
- `ShadowObjectRegistry` / `PhysicsEngine` — grep of `LandblockBuildFactory.cs` and
- `LandblockMesh.cs` for those types returns zero hits. Every one of
- `BeginCollisionAdmission` (:2040), `PrepareCollisionGeneration` (:2092),
- `AdvanceCollisionGenerationPreparation` (:2123), `StageCollisionAssets` (:2218),
- `AdvanceCollisionGenerationSeal` (:2298), `CommitCollisionGeneration` (:2382),
- `CancelCollisionGeneration` (:2139) passes through
- `RuntimePhysicsState.EnsureCollisionMutationThread` (:2857-2869). The
- `ConcurrentDictionary` choices are load-bearing only for *single-threaded*
- mutate-while-enumerating (`PhysicsDataCache.cs:958-984`, and the seal cursor holding a
- live enumerator across frames at :1081-1160) — the cross-thread rationale in the
- `CellGraph.cs:17` and `PhysicsDataCache.cs:14-20` doc comments is **stale after
- 6b28ff99**.
-- **Not admission fairness.** That is the separate journal/coalescing machinery
- (`RuntimePhysicsState.cs:475-529`, research doc step 5) — the other half of what
- "starvation-free" meant. It is orthogonal to the leaf metering and stays.
-
-### What the pre-6b28ff99 mechanism did
-
-`be94bc9b`'s commit was a **delta apply**, not a root swap:
-
-```csharp
-// be94bc9b, PhysicsEngine.CommitLandblockReplacement — deleted by 6b28ff99
-DataCache.CommitLandblockReplacement(replacement.DataCache); // O(changed)
-_landblocks[replacement.LandblockId] = replacement.Landblock;
-ShadowObjects.CommitLandblockReplacement(replacement.Shadows);
-```
-
-`6b28ff99` replaced those three lines with
-`stagingCache.CollisionWorld.TransferTo(activeCache.CollisionWorld)`
-(`PhysicsEngine.cs:304-321`). **That is the change that made the clone load-bearing.**
-Before it, the clone was a build sandbox; after it, the clone *is* the world that gets
-published, so every leaf not cloned is a leaf deleted from the world.
-
-Before `be94bc9b` the client mutated the active maps in place across many frames — the
-genuinely non-equivalent state the research doc describes ("the active `PhysicsDataCache`,
-`CellGraph`, `PhysicsEngine`, buildings, static shadows, and retained-object refloods
-changed at different cursors", `docs/research/2026-07-31-atomic-collision-generation.md:12-16`).
-**The atomicity requirement is "the multi-frame build must not be observable", not "the
-whole world must be swapped".** A delta applied inside one synchronous update-thread call
-satisfies it.
-
-### The cost is worse than F4 measured
-
-F4 attributed median 19,736 / p90 32,135 / max 38,021 leaves and median 3.64 ms per
-publication to the staging clone. The **seal** does the same walk again: the replacement
-builder holds live enumerators over four `_staging` maps *and* four `_active` maps
-(`PhysicsDataCache.cs:1081, 1092, 1103, 1114, 1125, 1136, 1147, 1158`) plus two in
-`CellGraph.cs:184, 203`, using `CapturePrefixOne` / `CaptureRemovalOne` — a full scan of
-each map to find O(target) keys. Real per-publication cost is therefore roughly **2–3×
-resident world**, not 1×. **Fixing only the clone leaves O(N²) in the seal.** Any design
-that does not also scope the removal capture is not a fix.
-
----
-
-## (b) Candidate designs
-
-### D1 — Structural sharing (persistent/immutable `CollisionWorldState`)
-
-Replace the ~20 mutable maps with persistent maps (HAMT / `ImmutableDictionary`) so a
-staging clone shares unchanged subtrees and copies only the changed path.
-
-- **Blast radius:** every read and write site of every map in `CollisionWorldState`,
- `PhysicsDataCache`, `CellGraph`, `ShadowObjectRegistry`, `PhysicsEngine`.
-- **Invariant changes:** none semantically; the root swap survives unchanged, so the
- atomicity story is untouched.
-- **Throughput:** admission O(1), clone O(1), commit O(changed · log N). Excellent on the
- copy axis.
-- **Why rejected:** it pays for the copy with the *query*. A HAMT probe is several times a
- `Dictionary` probe and allocates on write; the resolver runs thousands of these per
- frame at 30 Hz. Slice I's entire thesis is flat, integer-indexed, zero-allocation
- collision (`docs/plans/2026-07-25-modern-runtime-slice-i.md`; I1 measured 0 B/resolve).
- D1 optimizes the rare operation at the expense of the hot one and fights the I-series
- architecture head-on.
-
-### D1b — Landblock-sliced root (per-prefix immutable slice + small map)
-
-Regroup the root so each landblock's cells / flat cells / EnvCells / buildings / terrain /
-outdoor cells / `LandblockPhysics` live in one immutable `LandblockCollisionSlice`, and
-the root becomes `Dictionary` (~625 entries). Commit = one dictionary
-write per prefix.
-
-- **Blast radius:** every keyed read becomes mask + two probes; the seal's removal scans
- collapse to "old slice vs new slice". The **shadow registry does not partition** —
- `ShadowEntityCells`, `ShadowEntityShapes`, `ShadowEntityRegistrations`,
- `ShadowOwnerVersions` are owner-keyed and owners legitimately span prefixes (that is
- the whole retained-owner problem), so the shadow half needs a separate mechanism.
-- **Invariant changes:** the atomic unit becomes the slice; the root swap disappears.
-- **Throughput:** O(changed) by construction, and atomic even for a hypothetical
- concurrent reader.
-- **Verdict:** this is the right answer *if* concurrent readers existed. They do not.
- Keep it on the shelf as the migration target should the runtime ever go multi-threaded;
- do not pay its refactor cost now.
-
-### D2 — Per-landblock atomic unit: restore the delta apply *(recommended)*
-
-`CommitLandblockReplacement` drains the **already-existing**
-`PhysicsEngine.LandblockReplacementApplyCursor` (`PhysicsEngine.cs:568-777`) against the
-**active** root inside one synchronous call, instead of `TransferTo`. The staging root
-becomes empty-at-admission (target content only); `CollisionStagingBuilder` phases 0–8 are
-deleted.
-
-The delta record already exists and is already tested: `PreparedPhysicsDataCacheLandblock`
-(`PhysicsDataCache.cs:1255-1270`) is exactly lists of key/value pairs to install and lists
-of ids to remove, all target-scoped. The apply cursor already handles removals, installs,
-terrain, the 0x40 synthesized outdoor cells, the landblock itself, and yields the reflood
-owner ids to the caller at phase 12 (`PhysicsEngine.cs:702-712`). Today it is used to
-rebase a committed peer delta into a *later draft*; pointing its `destination` at the
-active engine is a constructor argument, not new machinery.
-
-**What breaks, honestly:**
-
-1. *Readers mid-query* — nothing. Single-threaded, evidenced above. A drained cursor
- inside one call is indivisible with respect to every reader that exists.
-2. *Re-entrancy* — real, and the audit flagged it: `OwnerMutated` /
- `OwnerPrefixMembershipChanged` (`ShadowObjectRegistry.cs:86-87`) can fire mid-delta.
- Precedent already exists: the commit brackets itself with
- `_suppressCollisionOwnerJournal = true` (`RuntimePhysicsState.cs:2491-2501`). Extend
- that bracket to cover the whole apply.
-3. *Cross-frame enumerators* — the seal holds live enumerators over the **active** maps
- across frames (`PhysicsDataCache.cs:1092, 1136, 1158`). A delta apply now mutates the
- maps those enumerators walk. `ConcurrentDictionary` will not throw, but the observed
- set is unspecified. **O1 below removes those enumerators entirely**, which is why O1
- must land first.
-4. *The retirement machinery* — `LandblockRetirementCursor` (`PhysicsEngine.cs:348-...`)
- currently retires from an off-side draft. Same cursor, destination becomes the active
- root, still drained in one call.
-5. *The reflood context* — the seal currently computes retained-owner refloods against a
- full staging world. With an empty staging root that context is gone, so the reflood
- moves to the commit call, against the now-current active world. **That is precisely
- retail**: `CObjCell::init_objects` (0x0052B420) → `CPhysicsObj::recalc_cross_cells`
- (0x00515A30), already the retail anchor cited on the AD-6 row.
-6. *The peer-rebase / journal apparatus* — with no snapshot there is nothing to rebase.
- `EnqueueCommittedRebase` (`RuntimePhysicsState.cs:563-578, 2502-2507`) and most of the
- journal become dead. Delete them in the same slice; do not leave dead invariants
- guarding a deleted mechanism.
-
-- **Throughput:** per publication ≈ target payload (~70–200 leaves at the measured
- ~184 ns/leaf) + the owners touching the target, versus today's ~2–3 × 20,000. Roughly
- **300× less work per publication**, and — decisively — **independent of resident-world
- size**, so total ring load goes O(N²) → O(N). At the failing run's numbers that is
- ~13.7 M leaf copies for a 625-landblock ring down to ~44 K.
-
-### D3 — Adjacency-scoped clone (the tempting middle ground) — **rejected as unsafe**
-
-Copy only leaves in the target's 3×3 landblock neighbourhood. One predicate change in
-`CopyOneOutsideTarget` (`PhysicsEngine.cs:949-961`); clone drops ~20,000 → ~630 and
-becomes O(1) in world size.
-
-Rejected for a structural reason worth stating plainly: **while commit is a whole-root
-transfer, "clone less" means "delete more."** Anything not copied into the draft is absent
-from the root that replaces the world. A partial clone is therefore a silent world-erasure
-bug, not a perf tuning knob. Only after commit becomes a delta does bounded context become
-safe — at which point D2 has already removed the need for it. It also leaves the seal's
-O(world) scans untouched, so O(N²) survives regardless.
-
----
-
-## (c) Recommendation
-
-**Take D2, in three landable slices, with O1 first.**
-
-Rationale in one line: the delta-apply commit path is not a new invention — it is the
-mechanism that shipped in `be94bc9b` and was deleted by `6b28ff99` to buy an atomicity
-guarantee against concurrent readers that do not exist; restoring it makes the cost
-O(changed) by construction and moves the client *toward* retail's `init_objects` shape,
-not away from it.
-
-### Invariant-test replacement
-
-Delete from `DenseResidentWorldAdmissionIsConstantAndMaterializesOneLeafPerStep`
-(`tests/AcDream.Runtime.Tests/Physics/RuntimePhysicsStateTests.cs:921-991`) the three
-assertions that pin the clone itself — `:983` `Assert.InRange(step.WorkUnits, 0, 1)`,
-`:988` `Assert.True(advances > residentLandblocks)`, `:989`
-`Assert.Equal(residentLandblocks, prepared.Engine.LandblockCount)`. They assert the exact
-mechanism being removed.
-
-Replace with `CollisionPreparationCostIsIndependentOfResidentWorldSize` — a strictly
-stronger invariant, because it pins the *property* (bounded, world-size-independent work)
-rather than a mechanism:
-
-```
-Run the full admission → preparation → seal → commit sequence twice,
-at residentLandblocks = 32 and residentLandblocks = 256.
-
-Assert total preparation advances(32) == total preparation advances(256) // O(changed)
-Assert total seal WorkUnits(32) == total seal WorkUnits(256) // closes the seal scans
-Assert every step.WorkUnits <= K // K = retained per-step bound
-Assert admissionAllocation in [1, 128 KiB] // kept from :973
-Assert prepared.Engine.LandblockCount == 0 after preparation completes // stronger than :974:
- // the draft now holds ONLY the target
-```
-
-Add two more:
-
-- `CommitAppliesOneLandblockDeltaInASingleCall` — the engine-mutating
- `CommitCollisionGeneration` call drains the apply cursor to `Completed` before it
- returns; the active world holds no target-prefix content before it and the complete
- target after it, with no observable intermediate.
-- `CommitTimeRefloodMatchesPrecomputedReflood` — for a fixed scenario, the owner set and
- each owner's resulting cross-cell set after a commit-time reflood are **equal** to what
- the pre-change staged reflood produced. This is the proof that D2 is a scheduling
- change and not a semantics change, and it is the test that makes the perf framing in
- (d) legitimate.
-
-**Keep unchanged:** every `Assert.InRange(seal.WorkUnits, 0, 1)` at `:558, :667, :747,
-:848, :1797, :2020, :2318, :2428, :3033` — the seal stays metered; the zero-managed-byte
-commit assertions (the delta lists are built during seal, so the apply must still be
-allocation-free); and `CommittedPreparationRevokesItsStagingCollisionRoot` (`:1664`) in
-spirit — the staging root must still be revoked after commit, it simply no longer becomes
-the active root.
-
-### Migration plan
-
-| Slice | Change | Gate |
-|---|---|---|
-| **O1** | Per-prefix installed-key ledger in `CollisionWorldState`, maintained by the install/remove paths. Rewrite the seal's ten full-map scans (`PhysicsDataCache.cs:1081-1160`, `CellGraph.cs:184, 203`) to enumerate that set. Removes the cross-frame active-map enumerators. **Behaviour-identical; a pure win that lands alone.** | existing suites green + the new seal-independence assertion |
-| **O2** | `PhysicsEngine.CommitLandblockReplacement` drains `LandblockReplacementApplyCursor` against the active root instead of `TransferTo`. Extend the `_suppressCollisionOwnerJournal` bracket over the whole apply. Retirement cursor destination → active root. | focused Runtime physics suite + connected lifecycle gate |
-| **O3** | Empty staging root: delete `CollisionStagingBuilder` phases 0–8. Move retained-owner reflood into the commit call (retail `init_objects` → `recalc_cross_cells`). Delete the now-dead peer-rebase/journal paths and their tests. | full ladder below |
-
-### Gate ladder (O3 closeout)
-
-1. **Focused:** Runtime physics collision-generation suite, App
- `LandblockPhysicsPublisherTests`, Headless `HeadlessSessionHostTests`.
-2. **Complete Release solution:** baseline to match or beat is **10,808 passed / 0 failed
- / 4 skips** (`-m:1`, `ACDREAM_PAK_PATH`).
-3. **Connected lifecycle/reconnect gate:** signature must hold — `Passed=true`,
- `Failures=[]`, both sessions `ExitCode=0`, zero render-shadow mismatches, zero pending
- deltas, graceful exits.
-4. **Nine-stop soak must reach `Passed: true` with `Failures: []`.** The failing run is
- `logs/connected-r6-soak-20260802-143157.report.json` (37 failures, `Passed: false`);
- the passing baseline is `logs/connected-r6-soak-20260727-004942.report.json`
- (`Passed: true`, commit `a9a822f2`). Concrete acceptance, per checkpoint:
-
- | Key | Failing run | Required |
- |---|---|---|
- | `resources.streamingWork.deferredCompletions` | 92–501 at 8/9 stops | `0` at all 9 |
- | `resources.streamingWork.farBacklog` | same values | `0` at all 9 |
- | `resources.streamingWork.pendingPublications` | `1` at 8/9 | `0` at all 9 |
- | `resources.streamingWork.deferredAdoptedCpuBytes` | 1.5–8.5 MB | `0` at all 9 |
- | `resources.streamingWork.oldestDeferredAgeMilliseconds` | 37,764–69,728 | `0` |
- | `resources.loadedLandblocks` | 124–533 | **625** at the eight outdoor stops |
- | `reveal.waitCueShown` | `true` at 6/9 | `false` at all 9 — *this is the user-reported "extended/stuck portal space"* |
- | `streamingWork.lifetimeFrameOverrunCount` | 1,706 | materially lower |
- | `streamingWork.maximumOperationStage` | `"publication-index-physics"` | must no longer name this stage |
-
- **`aerlinthe` (sequence 4) is the control, not a target.** It is the one indoor
- destination and the one stop that is already clean in the failing run (374/173 vs the
- baseline's 374/176, every streaming counter `0`) — precisely because an indoor
- destination streams few landblocks, so O(N²) never bites. It must stay clean; do not
- expect it to reach 625.
-
-5. **Frame time must not regress — and must recover.** Route-level `cpuUs` from
- `frame-history-summary.json`, microseconds:
-
- | | p50 | p95 | p99 | p999 |
- |---|---|---|---|---|
- | baseline `20260727` | 9,730 | 41,262 | 44,875 | 63,474 |
- | failing `20260802` | 17,001 | 47,434 | 57,061 | 102,876 |
-
- Gate on the sharper per-checkpoint window numbers: **`checkpointWindows[].metrics.cpuUs`
- p99 within +10 % of the `20260727` baseline at every stop.** The worst offenders are
- `caul-plateau` 101,408 → target ≈ 47,821; `caul-return` 103,309 → ≈ 46,938;
- `caul-baseline` 108,148 → ≈ 43,664; `sawato-baseline` 49,748 → ≈ 10,592. Frame count
- should recover toward the baseline's 35,492 frames / 498.5 s from the failing run's
- 25,965 / 583.9 s.
-
-6. **Do NOT gate on these — retest only after convergence.** `trackedGpuBytes` (62 MB
- failing vs 474 MB baseline), `meshRenderData` 588 vs 607, `meshEstimatedBytes`
- 233.8 MB vs 268.6 MB, and the inverted CPU mesh-cache hit ratio
- (3,666 hits / 5,689 misses vs 20,825 / 6,845) are all far-ring-never-converged
- artifacts of the same mechanism. F4 already reached this conclusion; a leak
- investigation before convergence is restored will chase a ghost.
-
-### Register / plan bookkeeping (same commit as the code)
-
-- **`docs/architecture/retail-divergence-register.md:113`** — the retired AD-6 row
- describes the deleted mechanism verbatim ("one shared off-side `CollisionWorldState`",
- "one zero-managed-byte volatile root transfer", the journal, the peer rebases). A
- retired row still documents what shipped; leaving it describing a deleted clone is
- exactly the out-of-sync failure the register rules forbid. Rewrite it to the delta-apply
- mechanism. The row's retail anchor is already
- `CObjCell::init_objects` → `recalc_cross_cells` (0x0052b420 / 0x00515a30) — the new
- mechanism is **closer** to that anchor, so no new deviation row is created.
-- **Judgment call for the implementer, do not assume:** the *original* AD-6 deviation was
- "Per-LANDBLOCK shadow re-flood on hydration vs retail per-CELL `recalc_cross_cells`"
- (`be94bc9b` register diff). If O3's commit-time reflood is again per-landblock rather
- than per-cell, decide explicitly whether AD-6 must be un-retired or a successor row
- added, and record the decision. Flagged, not decided here.
-- **`docs/research/2026-07-31-atomic-collision-generation.md`** — steps 2, 3, 5, 6, 7, 8
- and most of the "Deterministic evidence" list describe the clone / journal / rebase.
- Rewrite in the same commit.
-- **`memory/project_collision_port.md`** — the 37-line block `6b28ff99` added is now wrong.
-- **`claude-memory/project_physics_collision_digest.md`** — add two DO-NOT-RETRY entries:
- (1) *"Do not re-introduce a whole-world staging clone. The atomic unit is the landblock
- delta applied in one update-thread call; the runtime is single-threaded and the root
- swap buys nothing."* (2) *"Batching N leaves per staging step is not a fix — measured
- 1.8× at N=256, not convergence, and it trips the committed invariant test."*
-- **`docs/ISSUES.md`** — F4 established this regression is not in the C3c diff, so it
- needs its own issue id (the C3c smoke-test commit `c52ce14a` filed #279 for a different
- finding). File it, and reference it from the O1/O2/O3 commit messages.
-- **Rollback:** each slice lands as one commit with its own recorded `git revert` SHA,
- per the Modern Runtime convention.
-
----
-
-## (d) Perf-work framing
-
-**This is modern-runtime infrastructure, not retail-scoped behaviour work.** The delta
-apply installs the *identical* `PreparedPhysicsDataCacheLandblock` content that
-`TransferTo` publishes today — the same cells, flat cells, EnvCell topology, buildings,
-terrain, synthesized outdoor cells, landblock, and owner set. Only the path by which that
-content reaches the active root changes, and only the amount of work done to get there.
-Collision results, contact planes, walkable polygons, membership, and therefore game feel
-are bit-identical.
-
-The project's render-perf-not-faithfulness-gated rule
-(`claude-memory/feedback_render_perf_not_faithfulness_gated.md`) applies: throughput work
-that is pixel- and feel-identical does not need a retail-behaviour gate. But because this
-is collision, the acceptance bar is still the connected gates plus the user's visual pass
-— green unit tests prove nothing about a streaming convergence bug.
-
-Two guards keep the framing honest:
-
-1. **The direction of travel is toward retail, not away.** Retail hydrates a cell
- synchronously in `CObjCell::init_objects` and refloods the objects associated with it
- via `recalc_cross_cells`. A per-landblock delta applied in one update-thread call is
- the streaming-shaped version of exactly that. The whole-world clone was the adaptation;
- removing it retires an adaptation rather than adding one.
-2. **The one thing that could change feel is reflood timing** — owners near the target
- re-flooding at commit rather than from a pre-computed staged set.
- `CommitTimeRefloodMatchesPrecomputedReflood` (above) is the specific test that turns
- that from an assumption into evidence. If that test cannot be made to pass, the perf
- framing is void and the slice needs a behaviour gate.
-
-**Explicitly not a workaround.** Per the no-workarounds rule, note what this is *not*: no
-suppression flag, no grace period, no budget loosening, no early-return guard at the
-symptom. The root cause is an algorithm that is quadratic in resident-world size, and the
-fix is to make it linear by restoring the per-landblock atomic unit the mechanism had
-before `6b28ff99`.
-
-### Measure before and after
-
-A stripped-after probe should count, per publication: (clone leaves, seal leaves, apply
-leaves) and wall-clock for each. F4 measured only the clone (median 19,736 / p90 32,135 /
-max 38,021 leaves, median 3.64 ms, 1,584 preparations = 8.53 s CPU in one 4-minute capped
-session). The seal was never measured and D2 must beat both. Expected after O3: clone
-leaves 0, seal leaves ≈ target payload, apply leaves ≈ target payload, total per
-publication well under 100 µs and flat as the ring fills.
diff --git a/docs/research/2026-08-02-collision-throughput-handoff/docs-drafts.md b/docs/research/2026-08-02-collision-throughput-handoff/docs-drafts.md
deleted file mode 100644
index 08f60936..00000000
--- a/docs/research/2026-08-02-collision-throughput-handoff/docs-drafts.md
+++ /dev/null
@@ -1,118 +0,0 @@
-# Docs-commit drafts — collision publication-throughput fix (O1/O2/O3)
-
-> **HISTORICAL DRAFT — DO NOT APPLY WHOLESALE (2026-08-03).** The O1/O2/O3
-> implementation landed in `71604331` and the user-visible stabilization
-> fixes continued through `175ad6b0`. This draft predates that work, assigns
-> issue number #280 to the collision clone even though #280 now canonically
-> tracks incomplete portal-destination prefetch, and names ledger edits that
-> must be re-audited against the final production tree. It remains only as
-> research evidence. Use `NEXT-AGENT-PROMPT.md`, the campaign plan, and the
-> live divergence register for current work.
-
-Drafted per contract; NOT applied to the repo. Apply in the docs commit after
-code review. Register judgment executed as pinned: AD-6 stays retired with a
-successor note; the residual timing/order compression gets a NEW row (AD-62).
-
----
-
-## 1. `docs/architecture/retail-divergence-register.md`
-
-### 1a. Append to the retired ~~AD-6~~ row (line 113), at the end of column 2
-
-> **Successor note (2026-08-02, collision publication-throughput fix
-> O1/O2/O3):** the whole-world staging clone, the owner-mutation journal, the
-> peer-rebase/retirement cursors, and the zero-managed-byte whole-root
-> transfer this row describes were deleted. The shipped mechanism is now the
-> per-landblock delta commit this row's retail anchor always pointed at:
-> admission captures an O(1) empty target-only staging root
-> (`PhysicsEngine.CollisionStagingBuilder`), the seal enumerates one prefix's
-> installed keys through the `CollisionWorldState` per-prefix ledgers, and
-> `PhysicsEngine.CommitLandblockReplacement` drains the sealed delta into the
-> ACTIVE root in one synchronous update-thread call, recalculating every
-> associated owner's cross-cells against the live world
-> (`ShadowObjectRegistry.ApplyCommittedOwnerReplacement` +
-> `RefloodPrefixOwnersAfterReplacement`; retail `CObjCell::init_objects`
-> 0x0052b420 → `CPhysicsObj::recalc_cross_cells` 0x00515a30). Equivalence is
-> pinned by `CommitTimeRefloodMatchesPrecomputedReflood`; world-size
-> independence by `CollisionPreparationCostIsIndependentOfResidentWorldSize`.
-> Residual timing/order compression vs retail: AD-62.
-
-### 1b. New row AD-62 (residual timing/order compression), adaptation class
-
-| AD-62 | **Adaptation.** Commit-time collision reflood granularity/order: retail runs `CObjCell::init_objects` per CELL at cell hydration and `CPhysicsObj::recalc_cross_cells` per object as each cell loads; acdream runs the equivalent once per LANDBLOCK replacement inside the single synchronous activation call, walking the sealed owner list then the live prefix-owner slots (per-landblock granularity matches the streaming unit, same compression `ShadowObjectRegistry.RefloodLandblock` has always carried). An owner becoming target-associated mid-publication refloods at activation (the prefix-slot sweep) rather than at its own cell's hydration instant; a stationary owner adjacent to the target whose flood would only change through building/EnvCell bridges can carry frame-stale cross-cells between the seal capture and the activation sweep (movers self-heal per `SetPositionInternal`). | `src/AcDream.Core/Physics/PhysicsEngine.cs` (`CommitLandblockReplacement`); `src/AcDream.Core/Physics/ShadowObjectRegistry.cs` (`ApplyCommittedOwnerReplacement`, `RefloodPrefixOwnersAfterReplacement`) | Late/stale cross-cell rows for a non-moving seam object for a few frames around a landblock publication — an object collidable through a wall seam or briefly not collidable where new topology landed | Low | `CObjCell::init_objects` 0x0052b420; `CPhysicsObj::recalc_cross_cells` 0x00515a30; `CPhysicsObj::SetPositionInternal` tail 0x00515330 |
-
----
-
-## 2. `claude-memory/project_physics_collision_digest.md` — DO-NOT-RETRY additions
-
-> - **Do not re-introduce a whole-world staging clone for collision
-> generations.** The atomic unit is the landblock delta applied in one
-> update-thread call (`PhysicsEngine.CommitLandblockReplacement`); the
-> runtime is single-threaded and a root swap buys nothing. The clone made
-> ring load O(N²) (the C3c late-monster-pop-in / stuck-portal-space soak
-> failure, issue #280). Deleted 2026-08-02.
-> - **Batching N staging-clone leaves per step is not a fix** — measured 1.8×
-> at N=256, not convergence, and it trips the committed one-work-unit seal
-> invariant. The fix was removing the clone, not tuning it.
-
-## 3. `docs/research/2026-07-31-atomic-collision-generation.md` — update
-
-Add a banner at the top:
-
-> **SUPERSEDED IN PART (2026-08-02).** Steps 2 (whole-world staging clone), 3
-> (owner-mutation journal write-through), 5 (journal coalescing/compaction), 6
-> (peer rebases), 7 (draft retirement cursors), and 8 (whole-root transfer)
-> describe machinery deleted by the collision publication-throughput fix
-> (O1/O2/O3). The atomicity requirement they served — "the multi-frame build
-> must not be observable" — is now met by one synchronous per-landblock delta
-> apply under prefix quiescence with commit-time owner refloods against the
-> live world (retail init_objects → recalc_cross_cells). The admission
-> fairness half (quiescence, prefix mutation permissions, ordered activation)
-> is unchanged and still accurate. Deterministic-evidence entries that name
-> the journal/rebase/retirement tests refer to tests deleted with the
-> machinery; their replacements are
-> `CollisionPreparationCostIsIndependentOfResidentWorldSize`,
-> `CommitAppliesOneLandblockDeltaInASingleCall`, and
-> `CommitTimeRefloodMatchesPrecomputedReflood`.
-
-## 4. `memory/project_collision_port.md`
-
-Remove/replace the 37-line block `6b28ff99` added (the starvation-free clone
-description) with a pointer to the new mechanism (same content as 1a).
-
-## 5. `docs/ISSUES.md` — file the regression as its own issue
-
-> - **#280 — OPEN → fixed pending review: collision staging clone made ring
-> load O(N²)** (filed 2026-08-02). The per-publication whole-world staging
-> clone (be94bc9b synchronous, 6b28ff99 metered) plus the seal's full-map
-> scans cost ~2-3× resident world per landblock publication, so an
-> N-landblock ring cost O(N²) and the far ring never converged. F4 measured
-> median 19,736 leaves / 3.64 ms per publication; C3c made it user-visible
-> (late monster pop-in, extended/stuck portal space, portal-exit pop-in,
-> nine-stop soak failure 20260802-143157) but did not cause it. Fix: O1
-> per-prefix installed-key ledger; O2 per-landblock delta commit
-> (restores be94bc9b's O(changed) apply); O3 empty staging root +
-> commit-time reflood (retail init_objects → recalc_cross_cells) + journal/
-> rebase/retirement machinery deleted. Reference the O1/O2/O3 commits here
-> when they land.
-
-## 6. Milestones/roadmap
-
-No phase-table change needed: this is Modern Runtime infrastructure follow-up
-inside the active campaign context; the C3c smoke-test findings list in
-ISSUES (#278 additions) should get items (d)/(e)/(f)-class re-observed after
-the soak gate passes.
-
-## 7. Commit-message notes for the slice commits
-
-- O1: `fix(physics): #280 O1 - per-prefix installed-key ledger; seal scans and
- landblock removals become O(prefix keys)` — behavior-identical; new test
- CollisionSealWorkIsIndependentOfResidentWorldSize.
-- O2: `fix(physics): #280 O2 - restore per-landblock delta commit (be94bc9b
- shape) at PhysicsEngine.CommitLandblockReplacement` — notes: staging-slot
- owner-list widening (direct-staged owners), staging-root revoke, zero-byte
- commit asserts → O(target payload) bounds (commit-time reflood + dictionary
- node inserts allocate; world-size independence pinned by the O3 test).
-- O3: `fix(physics): #280 O3 - empty staging root; commit-time reflood
- (init_objects → recalc_cross_cells); delete journal/rebase/retirement
- machinery` — 9 mechanism tests deleted, 2 contract tests added.
diff --git a/docs/research/2026-08-02-collision-throughput-handoff/grep-sweep-deleted-machinery.md b/docs/research/2026-08-02-collision-throughput-handoff/grep-sweep-deleted-machinery.md
deleted file mode 100644
index cc2c9753..00000000
--- a/docs/research/2026-08-02-collision-throughput-handoff/grep-sweep-deleted-machinery.md
+++ /dev/null
@@ -1,68 +0,0 @@
-# Grep sweep — deleted collision machinery (2026-08-02, against the WIP O1-O3 tree)
-
-Produced by an adversarial-review subagent (completed after the review
-round was halted). Verdict summary: the deletions are CLEAN — no
-surviving consumer of the journal/peer-rebase/draft-retirement/staging-
-clone machinery, and no post-`Revoke()` dereference path found. Two
-actionable leftovers and a stale-docs catalog for whoever lands the
-collision work.
-
-## Actionable
-
-1. `CollisionWorldStateSlot.TransferTo` (`CollisionWorldState.cs:270-281`)
- is fully DEAD — zero callers incl. tests. Delete it (comments at
- `PhysicsEngine.cs:311/:379` reference it historically and are
- accurate).
-2. Two test names are stale terminology with live bodies:
- `RuntimePhysicsStateTests.cs:1730`
- (`PostCommitOwnerMutationWinsOverQueuedPeerRebase`) and `:2264`
- (`PendingOrActivePeerRebaseCannotResurrectRetiredLandblock`) — rename
- when touched.
-
-## Confirmed DEAD (zero refs in src/tests/tools/docs)
-
-- `LandblockRetirementCursor`/`Step`/`CreateLandblockRetirementCursor`
-- `CollisionStagingBuilder.Advance/.WorkUnits/.Completed/.SuppressLandblock`
-- `CopyOneOutsideTarget`
-- Owner journal: `_collisionOwnerJournal`, `EnqueueCommittedRebase`,
- write-through, draft retirement
-
-## Confirmed LIVE (name overlap, different concept — do not "clean up")
-
-- `InstallLandblockClone` (`PhysicsEngine.cs:576,673`) — the per-landblock
- delta-apply installer, not the old clone loop.
-- `MirrorOwnerFrom` (`ShadowObjectRegistry.cs:1961,2011,2079`) —
- repurposed for the O3 commit-time reflood.
-- `OwnerMutated`/`OwnerPrefixMembershipChanged` events — general-purpose,
- unrelated to the deleted journal.
-- `RetryDeferred` (`RuntimeSetPositionState.cs:4103` et al.) — the
- deferred-SetPosition subsystem, unrelated.
-- `LandblockReplacementBuilder` `.WorkUnits/.Advance/.Completed` — the
- live seal builder, not the deleted staging builder.
-
-## Post-Revoke audit
-
-`Revoke()` has exactly one call site (`PhysicsEngine.cs:381`, end of
-`CommitLandblockReplacement`). `MarkCommitted` (`RuntimePhysicsState.cs:
-372-380`) + `LandblockPhysicsPublisher.cs:505/:1177-1183` guards mean no
-production or test site dereferences a revoked slot. `prepared.Engine`/
-`DataCache` remain unguarded by design (ObjectDisposedException is the
-intended revoked behavior).
-
-## Stale docs/comments that now describe the DELETED design (rewrite when
-landing the collision work)
-
-- `docs/architecture/acdream-architecture.md:504-566` — full section on
- journal/write-through/rebase/root-transfer: STALE, needs rewrite to
- the per-landblock delta commit.
-- `memory/project_collision_port.md:50-88` — same content class, STALE.
-- `docs/research/2026-07-31-atomic-collision-generation.md` — whole file
- documents the deleted mechanism with no supersession note (the
- prepared banner is in docs-drafts.md).
-- `src/AcDream.Core/Physics/PhysicsDataCache.cs:126-130` XML doc —
- describes the deleted one-leaf-per-step materialization.
-- `src/AcDream.App/Streaming/LandblockPhysicsPublisher.cs:621-625`
- comment — "zero-work root transfer" no longer true.
-- Correctly archival (no action): `retail-divergence-register.md:113`
- (~~AD-6~~ retired entry); the placement-cutover plan + C3c closeout
- (they name the clone as the known problem being fixed).
diff --git a/docs/research/2026-08-02-collision-throughput-handoff/implementer-progress.md b/docs/research/2026-08-02-collision-throughput-handoff/implementer-progress.md
deleted file mode 100644
index 397b3e61..00000000
--- a/docs/research/2026-08-02-collision-throughput-handoff/implementer-progress.md
+++ /dev/null
@@ -1,4587 +0,0 @@
-# Implementer progress — Runtime initial-placement continuation executor
-
-## Reading phase (complete)
-- Read contract, runtime-surface.md, retail-notes.md in full.
-- Read source: RuntimeInitialCreateResidenceState.cs (full, 960 lines),
- InboundPhysicsStateController.cs (full, 903 lines),
- RuntimeAuthoritativePositionRouteClassifier.cs (full, 580 lines),
- RuntimeEntityObjectLifetime.cs (full, 2134 lines),
- RuntimeEntityDirectory.cs (full), RuntimeEntityRecord.cs (full),
- ParentAttachmentState.cs (full), RuntimeInitialCreateAdmissionFreezer.cs (full),
- RuntimeSetPositionState.cs (targeted: struct defs, CaptureOwnership,
- Begin*/Watch/IsCurrent/TryPeek/Consume/Forget*, PrepareMover/Submit/
- Apply/AcknowledgeProjection/PublishCancellation/Forget/LeaveWorld),
- RuntimeInitialCreateResidenceStateTests.cs (full, 2657 lines - harness
- helpers: Bind/Spawn/AttachDormantBody/Prepare/ApplyQueuedPosition/
- PositionUpdate/ApplyFreshSuccessor/ConvergeSessionClear/PositionAction/
- SetCompletedAdoptionRevision/EntityObserver/PlacementObserver).
-
-## Key design decisions made during reading
-1. AdoptCompletedPlacement resolves runtime-surface.md 3.1 deadlock:
- BeginAcceptedPlacementCore/TryBeginExclusiveAuthoredPlacement all reject
- while HasRetainedCompletion(key) is true. Executor must call
- ConsumeAcknowledgedPlacement directly (via new AdoptCompletedPlacement on
- residence state) BEFORE any Position continuation can begin its own
- placement.
-2. Movement timestamp reconstruction: AcceptedPhysicsTimestamps has
- ServerControlledMove but NOT Movement itself. Reasoned from the
- "MOVEMENT_TS consumed before discovering SERVER_CONTROLLED_MOVE_TS stale"
- comment: HasTimestampMutation==true always implies gate.MovementTimestamp
- advanced to update.MovementSequence (movement gate checked first). So
- ApplyAcceptedMotion sets MovementSequence=update.MovementSequence
- unconditionally when retained, ServerControlSequence=retained
- AcceptedTimestamps.ServerControlledMove exactly. Judgment call - documented
- in code comment.
-3. MirrorGateTimestamps (reads LIVE gate) must NOT be used by the executor
- (would stomp other channels' Timestamps fields with the wrong values from
- out-of-band-drift live gate). Refactored ApplyAcceptedMotion to a targeted
- field update instead - verified behaviorally identical for the legacy path
- since gate/snapshot stay in lockstep there.
-4. Circular-ownership constraint: deferred-child replay needs
- RegisterEntityWithInitialResidence (internal core with beginInitialResidence
- semantics). Contract forbids passing RuntimeEntityObjectLifetime itself.
- Resolution: lifetime passes a bound delegate
- (WorldSession.EntitySpawn, bool) -> RuntimeEntityRegistrationResult into the
- executor's ctor, mirroring the existing retirePriorProjection callback
- pattern already used in RegisterEntityCore. Narrow single-purpose seam,
- not a reference to the owning type.
-5. Publish choke point: lifetime passes bound delegates for PublishEntity and
- AcknowledgeProjectionAndPublish (private methods -> delegate via method
- group, same pattern as existing callback threading).
-
-## Implementation phase - STARTING NOW
-Next: refactor InboundPhysicsStateController.cs to extract ApplyAccepted*
-methods shared by legacy TryApply* and the new executor.
-
-## Implementation progress (continued)
-- InboundPhysicsStateController.cs refactored: ApplyAccepted{ObjDesc,Pickup,
- CreateParent,Parent,Vector,State,Motion,Position} methods extracted, legacy
- TryApply* re-expressed as gate+shared-apply. Removed now-unused
- MirrorGateTimestamps. Build clean, 89-test focused gate green after refactor.
- FOUND+FIXED a bug during this pass: ApplyAcceptedMotion's retainPayload:false
- branch must ALSO stamp nested Physics.Timestamps.Movement/ServerControlledMove
- (not just top-level fields) - two pre-existing tests
- (RejectedServerControlStillMirrorsConsumedMovementTimestamp,
- AutonomousLocalEchoRetainsPayloadButMirrorsAcceptedTimestamps) caught this;
- fixed, full 829-test Runtime suite green again.
-- RuntimeInitialCreateResidenceState.cs: added CompletedEntry.PlacementAdopted,
- AdoptCompletedPlacement, ConsumeExecuted +
- RuntimeInitialCreateResidenceExecutorReleaseStatus enum. Updated
- IsCompletedCurrent to treat PlacementAdopted as satisfying the placement-
- current check without re-querying RuntimeSetPositionState (since adoption
- already consumed/removed that tracking entry). Updated AcknowledgeAdoption
- to tolerate (skip) re-consuming an already-adopted placement. Build clean,
- 48/48 residence tests green.
-- New file src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs
- written (full algorithm: reentrancy latch, per-key Progress with LeaseId
- staleness discard, initial tail (adopt+hook+deferred-child replay), FIFO
- drain for all 8 continuation kinds incl. SameIncarnationCreate envelope
- staging with buffered publish, Position classify-at-execution-time +
- placement Begin/Watch/yield/resume lifecycle, ConsumeExecuted release with
- Revised-loop). Constructed in all 3 RuntimeEntityObjectLifetime ctors,
- wired into BindEventContext, CaptureOwnership (new
- InitialCreateExecutorProgressCount field), and the residence
- Forget/Clear choke points (deterministic progress discard, not lazy).
- Build clean, full 829-test baseline still green after wiring.
-
-## Judgment calls made (to report)
-1. AdoptCompletedPlacement/ConsumeExecuted new API design (see code comments
- in RuntimeInitialCreateResidenceState.cs) - resolves the 3.1 deadlock per
- contract's exact prescription.
-2. Registration callback threaded as a bound delegate
- (WorldSession.EntitySpawn, bool) -> RuntimeEntityRegistrationResult from
- the lifetime's ctor, NOT a reference to RuntimeEntityObjectLifetime itself
- - satisfies "no circular ownership" per contract while still reaching
- RegisterEntityWithInitialResidence for deferred-child replay.
-3. Position continuation Rejected/RejectedData routes reuse
- InboundPhysicsStateController.ApplyAcceptedPosition by passing
- PositionTimestampDisposition.Rejected explicitly (that method internally
- routes to the timestamp-only-stamp branch) - avoids a second, divergent
- "timestamp only" implementation.
-4. HasContact/forcePositionRotation/currentLocalVelocity all derived from
- canonical.PhysicsBody when attached, falling back to Inputs.HasContact
- (bodyless tests) - per contract's explicit "decide one way, document it,
- test it" instruction for HasContact, extended consistently to the other
- two live-body-derived facts.
-5. ParentAttachmentState.Resolve/CommitProjection has zero callers anywhere
- in AcDream.Runtime (grep-verified) - confirmed host-driven, not wired.
- Parent/CreateParent continuation apply commits the position-timestamp-only
- snapshot mutation + AdvancePositionAuthority/LeaveWorld/Forget/publish
- only; does NOT invent a second resolve/commit path.
-6. ObjectTableWiring.ApplyEntitySpawn (via RuntimeEntityObjectLifetime.
- ApplyAcceptedSpawn) has zero callers anywhere in AcDream.Runtime
- (grep-verified) - WeenieDescription tail action commits
- RefreshSnapshot+AdvanceCreateAuthority+publish only, explicitly does NOT
- drive the object table (host cutover work, out of scope).
-7. ResidentCellCleanup implemented as an assert-the-invariant check
- (claimed+celless must be IsDeferred) rather than building a destruction
- mechanism; the "no cell claimed, no weenie" destruction-mark branch is
- left as a recorded no-op (needs live object-table wiring not in scope).
-8. Reentrant Execute() for the same RuntimeEntityKey while one is already on
- the call stack fails closed via a HashSet latch.
-9. Stale Progress (LeaseId mismatch, e.g. GUID/key reuse) is discarded AND
- the CURRENT Execute call returns RejectedAuthority (not silently
- re-created + retried in the same call) - matches contract's literal
- "discard it and fail closed" wording; caller must retry once more.
-
-## Major design fix discovered during test-driven debugging
-Found a genuine architecture conflict: RuntimeInitialCreateResidenceState's
-IsCompletedCurrent staleness check compares LIVE record.PositionAuthorityVersion/
-CreateIntegrationVersion/FullCellId/PlacementCommitVersion against values
-FROZEN at Complete()-time. But the executor's OWN Apply* methods legitimately
-advance these SAME fields while draining (AdvancePositionAuthority,
-AdvanceCreateAuthority, SetFullCell, the physics engine's own
-AdvancePlacementCommit on a continuation's own SetPosition commit) - this
-made Complete()/ConsumeExecuted incorrectly treat the executor's own
-controlled progress as an external race and reject with RejectedAuthority.
-Root-caused via a debug bisection test (temporarily added, then removed).
-
-Fix: added CompletedEntry.Expected{PositionAuthorityVersion,
-CreateIntegrationVersion,FullCellId,PlacementCommitVersion} - a SEPARATE,
-executor-maintained baseline distinct from the FROZEN receipt.Token (which
-must stay byte-identical for Complete()'s token-identity match to keep
-working across retries). IsCompletedCurrent now compares against
-entry.Expected* instead of receipt.Token.*/receipt.FullCellId/
-receipt.PlacementCommitVersion directly. New method
-AdvanceExecutorBaseline(record, token) re-syncs Expected* from the record's
-CURRENT live values; the executor calls it (a) at the top of ExecuteCore's
-loop before every Complete() call (covers a pending continuation placement's
-host-driven commit, which happens BETWEEN Execute() calls), and (b)
-unconditionally after every ApplyContinuation call in the drain loop (covers
-in-call mutations before a yield). Verified this does NOT weaken the
-EXISTING admission-slice regression tests (CorruptedPostAcknowledgementAuthorityRetiresProofAndLease
-etc.) since those tests never call AdvanceExecutorBaseline - an external,
-non-executor-driven bump to these fields is still correctly detected as
-stale. All 48 residence tests + 16 new executor tests + 829 baseline pass
-together (845 total).
-
-## Test suite status: 16/16 new tests green, 845/845 total Runtime tests green
-Covered: A (2 tests: basic completion + hook; mixed simple continuation
-order), C (2: envelope atomicity/buffered-publish/stage-order incl.
-PreTailDescriptionAdaptation+Pickup decomposition; envelope retry
-non-duplication), D (5: local ordinary interpolate, local teleport placement
-lifecycle w/ yield+resume, remote near interpolate, remote far
-SetPositionSimple+StopInterpolating, parented-initial AwaitFreshPosition/no
-placement), E (2: deferred-child replay consumes exact AdmissionId +
-registers child through canonical route; stale AdmissionId cannot consume a
-replacement - via ParentAttachmentState directly), G (2: reentrant Execute
-for same entity fails closed; reentrant delete of the parent during deferred
-child replay abandons without resurrection), H (1: stale Progress LeaseId
-via reflection-planted entry discards + fails closed + clean retry), I (2:
-reset during AwaitingContinuationPlacement converges every ledger; dispose
-after successful execution converges IsConverged).
-NOT separately tested (time-budget / defensibility tradeoffs - noted for
-final report): F's literal "failure injection between every envelope stage"
-(only end-to-end retry-after-full-drain covered, not synthetic mid-stage
-crash injection); J (relies on the existing assembly-level
-RuntimeDependencyBoundaryTests, which automatically covers the new file -
-no new file added since the check is assembly-wide, not per-file); the
-ResidentCellCleanup destruction-mark branches (only the "claimed+resident"
-and the assert-invariant path are exercised, not the "no cell, no weenie"
-destruction-mark path, which is explicitly a recorded no-op pending future
-object-table wiring per code comment); SameIncarnationCreate's Position
-stage mid-envelope yield+resume (D covers standalone Position yield/resume;
-the envelope's OWN Position-stage yield path shares the identical
-ApplyPositionAction code but is not independently exercised by an envelope
-test with a position stage).
-
-## ROUND 2: Reviewer feedback (Finding 1, Gaps 2-4, Finding 5 amendment)
-Coordinator sent review findings after round-1 delivery. Working through:
-- FINDING 5 (production regression, addressed FIRST since flagged most
- urgent): ApplyAcceptedMotion's legacy caller was stamping
- update.MovementSequence (wire's own stale/rejected value) instead of
- gate.MovementTimestamp (post-call gate value) for the timestamp-only
- branch. TryAcceptMovementEvent has 3 rejection flavors and only 1 of them
- (stale ServerControlledMove) actually advances MOVEMENT_TS; the other two
- (bad instance, stale MOVEMENT_TS) leave the gate untouched but the OLD
- buggy code would still stamp the wire's stale value into the snapshot.
- FIX: re-parameterized ApplyAcceptedMotion to take explicit
- (movementSequence, acceptedServerControlledMove) inputs instead of
- deriving movementSequence from `update` internally - ONE shared body, two
- explicit-input callers. Legacy caller now passes
- gate.MovementTimestamp/gate.ServerControlledMoveTimestamp (exact
- pre-refactor behavior in all 3 flavors). Executor caller passes
- action.Movement.Value.MovementSequence/action.AcceptedTimestamps.ServerControlledMove
- (safe there since retention itself gates on genuine acceptance). Added 2
- regression tests to InboundPhysicsStateControllerTests.cs comparing the
- FULL EntitySpawn before/after for (1) stale MOVEMENT_TS, (2) instance
- mismatch - both assert byte-identical snapshots. 15/15
- InboundPhysicsStateControllerTests pass, 64/64 executor+residence tests
- still pass after the signature change.
-
-- FINDING 1 fixed: narrowed the pre-Complete() AdvanceExecutorBaseline call
- in ExecuteCore to only fire when progress.PendingContinuationPlacement.IsValid
- (the only legitimate between-calls mutation window). Added 2 regression
- tests (ExternalPositionAuthorityMutation.../ExternalFullCellMutation...)
- that directly drive Complete()+AdoptCompletedPlacement to the
- "completed+adopted, no pending placement" state, then externally mutate
- PositionAuthorityVersion/FullCellId, then assert the NEXT Execute() call
- observes RejectedAuthority, publishes nothing, and converges. VERIFIED
- these tests actually catch the regression: temporarily reverted the guard
- to unconditional, confirmed both tests fail (Completed instead of
- RejectedAuthority), then restored the fix and confirmed they pass again.
- 18/18 executor tests pass (16 + 2 new).
-
-- GAP 4 done: extended RuntimeInitialCreateExecutedAction with a new
- optional ResidentCellCleanupDisposition field +
- RuntimeResidentCellCleanupDisposition enum (ResidentUnmarked/
- DeferredUnderLostCellOwnership/NoCellClaimedDestructionMarked).
- ApplyResidentCellCleanup now RETURNS the disposition instead of just
- asserting. (a) ResidentCellCleanupUnmarksWhenCellClaimedAndAlreadyResident
- - engine-backed, real initial placement, same-create Position stage
- classifies Interpolate (SameIncarnationCreate source forces
- effectiveContact=true, entity already resident so not cellless) -> no
- placement needed, ResidentUnmarked recorded. (b)
- ResidentCellCleanupFailsClosedWhenClaimedCelllessOutcomeIsNotUnderLostCellOwnership
- - PickedUp initial (no placement), same-create Position with
- UsePositionFromServer=false classifies NoPositionOperation (no
- SetPosition begins at all) -> claimed+celless+not-deferred -> throws
- InvalidOperationException, verified via Assert.Throws + message
- content. (c) folded into the EXISTING envelope-atomicity test (added
- assertion) since that entity already naturally has no claimed cell ->
- NoCellClaimedDestructionMarked. 20/20 executor tests pass (18 + 2 new;
- case (c) added to an existing test rather than a new one).
-
-- GAP 3 done, AND IT CAUGHT A REAL BUG: wrote
- EnvelopePositionStageRequiringSetPositionYieldsResumesAndPublishesOnceAfterCompletion
- (cellless -> SetPosition Position stage forces a mid-envelope yield,
- drive prepare/submit/ack, resume, envelope completes). First run: only 1
- of 5 expected Updated events published (expected ObjDesc/Position/State/
- Vector/WeenieDescription). ROOT CAUSE: Publish()'s buffered branch stored
- the PER-STAGE "matches" closure (captured at that stage's OWN commit
- time, checking one specific AuthorityVersion field) into the buffer -
- but WeenieDescription's own AdvanceCreateAuthority() call bumps SIX
- authority-version fields at once (Position/State/Vector/Velocity/
- Movement/ObjDesc/CreateIntegration), which invalidated every EARLIER
- buffered stage's captured version-equality check by the time the final
- flush ran, even though nothing external raced - it was the executor's
- OWN later, expected progression. FIX (root cause, not per-callsite
- patch): Publish()'s buffered branch now stores a constant `true`
- predicate instead of the per-field "matches" closure - IsCurrent (checked
- unconditionally by PublishNow) is the only currency guard a buffered
- entry needs, since envelope processing dispatches no event until the
- flush (no reentrancy window mid-envelope except at a Position yield,
- which is independently guarded by ApplyEnvelope's own IsCurrent check +
- ResumePendingPlacement). The IMMEDIATE (non-buffered) path is unchanged -
- still uses the real matches() check, appropriate there since publish
- happens right after each standalone mutation. 21/21 executor tests pass
- after the fix (20 + 1 new).
-
-- GAP 2 done: EnvelopeAbandonedDuringPositionStageYieldPublishesNothingAndConvergesEveryLedger
- (delete the entity while AwaitingContinuationPlacement is pending
- mid-envelope; asserts ONLY the delete's own Deleted event observed - none
- of the envelope's already-committed-but-buffered stages ever publish -
- and every ledger converges: residence/progress/active-operation/
- acknowledged-completion counts all zero; a stale retry with the original
- token returns RejectedToken). Documented (large comment block, not a
- fake test) exactly why the other 6 stage kinds have no reachable yield
- boundary (pure synchronous in-memory mutations, no event dispatch until
- the buffered flush, so no callback/reentrancy opportunity exists without
- adding a diagnostic seam to production code, which is explicitly
- forbidden). While building this test, ALSO found and fixed a real (if
- currently redundant-with-existing-Forget) defensive gap: DiscardProgress/
- DiscardAll now also forget any in-flight CONTINUATION placement token
- (distinct from the residence's own initial-lease placement) - verified
- via revert that this specific delete-path test still passes WITHOUT the
- fix (TryAcceptDelete's own unconditional Physics.SetPosition.Forget
- already cancels any operation for that key), so this is honest
- defense-in-depth (DiscardProgress owning cleanup of the state it
- introduces) rather than a proven-necessary fix for THIS path - documented
- as such in both the code comment and the test comment.
- 22/22 executor tests pass (21 + 1 new).
-
-## ALL 4 REVIEW ITEMS (Finding 1, Gaps 2/3/4) COMPLETE, plus Finding 5
-(production regression) fixed first.
-
-## ROUND 2 FINAL GATES: ALL GREEN
-1. Release build (AcDream.slnx): 0 errors, 21 pre-existing warnings.
-2. Focused filter (Residence+Classifier+Executor): 111 passed (89 + 22).
-3. Complete Runtime suite: 853 passed (829 + 24: 22 executor + 2
- InboundPhysicsStateController Finding-5 regressions).
-4. git diff --check: exit 0, clean. Nothing staged.
-Confirmed the narrowed rebaseline (Finding 1) did not break the existing
-AwaitingContinuationPlacement yield/resume path -
-LocalTeleportContinuationDrivesItsOwnAuthoredPlacementLifecycle still
-passes throughout every round of changes.
-
-## FINAL STATUS (Round 2): ALL GATES GREEN
-1. dotnet build AcDream.slnx -c Release: 0 errors, 21 warnings (all
- pre-existing, in test projects untouched by this work - confirmed exact
- match to the known-count in the task brief).
-2. Focused filter (Residence+Classifier+Executor): 105 passed (89 baseline
- + 16 new), 0 failed.
-3. Complete AcDream.Runtime.Tests: 845 passed (829 baseline + 16 new), 0
- failed.
-4. git diff --check: exit 0, clean (only pre-existing line-ending warnings
- on files this session did not touch, or normal LF-will-become-CRLF
- metadata notices on files this session DID touch - no whitespace-error
- content).
-Nothing staged (git diff --cached --stat empty) - primary agent to review
-and commit.
-
-## ROUND 3: both independent reviews returned FAIL (3 blockers, 12 majors,
-## mandated test-completion list). Combined directive at round3-fixes.md.
-## Followed the section-D work order: A1/A2 first, then B1/B2/B3/B4, then
-## A3/B5/B6/B9/B10, then B7/B8/B12, then B11, Section C tests throughout.
-
-### A1 (blocker) — snapshot lockstep. FIXED.
-Root cause confirmed exactly as the review described:
-InboundPhysicsStateController._snapshots (the legacy merge base) was NEVER
-written by the executor's applies - they merged directly against
-canonical.Snapshot via the STATIC ApplyAccepted* methods and called
-RefreshSnapshot, but _snapshots[guid] stayed frozen at whatever it was when
-residence began. The FIRST subsequent legacy TryApplyXxx call would then
-re-merge onto that stale base and silently revert every drained fact.
-Fix: added gate-less INSTANCE seam methods on InboundPhysicsStateController
-(ApplyAccepted{ObjDesc,Pickup,CreateParent,Parent,Motion,State,Vector,
-Position,WeenieDescription}Snapshot) that read _snapshots[guid] as the merge
-base, run the existing shared static body, write the result back, and return
-the merged value. Delegated through RuntimeEntityDirectory (new
-ApplyAccepted*Snapshot wrappers calling _inbound.*) since the executor only
-holds a RuntimeEntityDirectory reference, not the controller directly. Every
-executor Apply*Action now calls the instance seam instead of the static
-method. Added the mandated regression test
-DrainedAppearanceAndPoseSurviveTheNextLegacyWireApply: drains a standalone
-ObjDesc continuation (fresh BasePaletteId), then runs an ordinary legacy
-TryApplyVector, asserts the drained palette survives in canonical.Snapshot
-after the legacy apply. Verified this fails without the fix by tracing the
-exact code path (old static-based merge would read the STALE _snapshots
-base and RefreshSnapshot would revert the palette) - did not need to revert
-code to prove it since the mechanism is unambiguous from the diff.
-
-### A2 (blocker) — WeenieDescription merge semantics. FIXED.
-ApplyWeenieDescriptionAction now calls the new
-ApplyAcceptedWeenieDescriptionSnapshot instance seam, which merges via the
-EXISTING private static MergeUntimestampedCreate(retained: _snapshots[guid],
-incoming: the raw WeenieDescription packet) instead of a wholesale
-RefreshSnapshot of the raw packet. Added the mandated regression test
-SameIncarnationWeenieDescriptionMergePreservesRetainedMotionTableId. First
-draft of this test used BasePaletteId as the probe field and failed for an
-UNRELATED reason I initially misread as a bug: BasePaletteId (and every
-other field BuildSameGenerationEvents' Appearance construction touches) is
-ALSO independently re-applied by the SAME envelope's OWN dedicated ObjDesc
-stage (always present when incoming.Physics is not null) - so a standalone
-ObjDesc drain's fresher palette is CORRECTLY superseded by the envelope's
-own ObjDesc stage moments later, regardless of A2. Re-designed the test
-around MotionTableId, which has NO dedicated envelope stage (WeenieDescription
-is the ONLY place it can move) - this cleanly isolates
-MergeUntimestampedCreate's "retained wins" rule. Test now: entry 1 =
-standalone ObjDesc bump; entry 2 = SameIncarnationCreate whose raw incoming
-MotionTableId differs from the entity's original; asserts the ORIGINAL
-MotionTableId (retained) survives, not incoming's.
-
-### B12 (major) — object-table wiring. FIXED; corrected a false "zero
-### callers" claim from Round 1/2.
-Verified RuntimeLiveEntitySessionController.cs:81 (OnSpawned) drives
-Entities.ApplyAcceptedSpawn(canonical, integrationVersion, canonical.Snapshot,
-replaceGeneration: Inbound.Disposition is NewGeneration) for EVERY accepted
-Create in the non-residence direct-host path - the prior claim of zero
-callers was false. ApplyAcceptedSpawn lives on RuntimeEntityObjectLifetime
-(needs the ClientObjectTable the executor has no reference to, and cannot
-reference RuntimeEntityObjectLifetime directly - circular ownership, same
-constraint as the existing _registerDeferredChild delegate). Threaded a new
-constructor delegate Func _applyAcceptedSpawn, bound in all 3 RuntimeEntityObjectLifetime
-ctors to (canonical, version, spawn, replaceGeneration) =>
-ApplyAcceptedSpawn(...). ApplyWeenieDescriptionAction now calls it with
-replaceGeneration: false always - correct because this tail action ONLY ever
-runs for an ExistingGeneration same-incarnation Create (a residence is
-admitted into the SameIncarnationCreate FIFO only when preview is
-ExistingGeneration; NewGeneration goes through the ordinary top-level
-registration path, never this envelope). Added
-WeenieDescriptionStageWiresTheObjectTableExactlyOnce: asserts
-lifetime.Objects.ObjectCount increases by exactly 1 across a residence drain
-whose envelope reaches WeenieDescription (a residence-pending admission
-deliberately never wires the object table at the initial Create, so this is
-the first point this guid's entry can appear).
-
-### B1 (major) — shared abandonment routine; typed ResidentCellCleanup
-### abandonment; operation-slot-contention as non-abandonment. FIXED.
-Added one Abandon(canonical, key) choke point: calls
-_residences.Forget(canonical, ...) (retiring the RESIDENCE itself, not just
-executor progress - closes a real bug where several rejection paths,
-notably ConsumeExecuted's own final-length-mismatch RejectedAuthority branch
-and AdoptCompletedPlacement's ConsumeAcknowledgedPlacement-failure branch,
-left the completed residence entry sitting fully intact in _completed; a
-retry would have re-fetched it via Complete() and REPLAYED every
-already-applied continuation from sequence zero), publishes the cancellation,
-then DiscardProgress(key) (idempotent defense-in-depth, matching every other
-caller's pattern - covers Forget finding nothing to retire). Every
-ad hoc "DiscardProgress(key); return RejectedAuthority;" site now routes
-through Abandon. ApplyResidentCellCleanup no longer throws for the
-claimed+celless+not-deferred invariant violation - returns
-RuntimeResidentCellCleanupDisposition? (null signals Abandon); the envelope's
-ResidentCellCleanup case checks for null and calls Abandon instead of
-letting the exception escape Execute. Rewrote the existing test
-ResidentCellCleanupFailsClosedWhenClaimedCelllessOutcomeIsNotUnderLostCellOwnership
-from Assert.Throws to assert RejectedAuthority + full ledger convergence +
-a stale-token retry returning RejectedToken (proving Abandon actually
-retired the residence, not just discarded progress).
-Operation-slot contention: added Progress.PositionMergeCommittedForRetry +
-PositionMergeCommittedVersion. When TryBeginExclusiveAuthoredPlacement fails
-AND the record/its own merge-committed version are still current, this is
-NOT abandonment - returns AwaitingContinuationPlacement with
-PositionMergeCommittedForRetry left true and NO PendingContinuationPlacement
-set, so the NEXT ApplyPositionAction call for the SAME continuation/stage
-skips the merge+publish entirely (route = progress.PendingContinuationRoute,
-already classified) and retries ONLY the placement-begin - closing the
-"double-publish on every retry" hole a naive full re-apply would open. Only
-when the record is no longer current OR its PositionAuthorityVersion moved
-past the committed merge's own value does this become abandonment. NOT
-separately unit-tested (constructing a real operation-slot-contention
-scenario needs a second concurrent SetPosition consumer occupying the same
-key's slot, which none of the existing test harness helpers construct) -
-flagged as a coverage gap in this report; the logic was verified by code
-review against RuntimeSetPositionState.TryBeginExclusiveAuthoredPlacement's
-exact failure conditions (_operations.ContainsKey(key) is the transient
-case; HasRetainedCompletion/PositionAuthorityVersion mismatch inside
-BeginAcceptedPlacementCore are the genuine-staleness cases my currency
-recheck already covers).
-
-### B2 (major) — apply ordering: mutate -> rebaseline -> publish. FIXED.
-Threaded `in RuntimeInitialCreateResidenceToken token` through
-ApplyContinuation/ApplyEnvelope/ApplyPositionAction and all 8 non-Position
-Apply*Action methods. Each now calls _residences.AdvanceExecutorBaseline
-immediately after its own canonical mutation and BEFORE its own Publish call
-(previously rebaseline happened in the OUTER drain loop, AFTER
-ApplyContinuation returned - i.e. AFTER Publish had already run for the
-non-buffered/immediate path, leaving a reentrant-retirement window where a
-synchronous Publish observer could see the pre-mutation baseline and
-misdetect staleness). Removed the drain loop's blanket
-"_residences.AdvanceExecutorBaseline(canonical, token);" call after every
-ApplyContinuation - each apply now guarantees its own baseline is current
-before any observer can run, so no blanket re-sync belongs there.
-
-### B3 (major) — residence retirement callback. FIXED.
-RuntimeInitialCreateResidenceState.BindRetirementNotification(Action<
-RuntimeEntityKey>) - one optional callback invoked in BOTH private Retire
-overloads (Entry and CompletedEntry), Forget (both branches), and Clear
-(iterating every retired entry) - AFTER the dictionary mutation in each
-case. RuntimeEntityObjectLifetime binds it in all 3 ctors, right after
-constructing InitialCreateExecution, to
-key => InitialCreateExecution.DiscardProgress(key). This closes the gap
-where a residence retired through a path OTHER than the executor's own
-explicit DiscardProgress call (e.g. TryGetTransaction/TryGetCurrent/Complete/
-AcknowledgeAdoption/AdoptCompletedPlacement/ConsumeExecuted's OWN internal
-Retire calls on staleness) would leave the executor's progress AND its
-separately-tracked pending continuation placement token orphaned. Kept
-ForgetInitialCreateResidence's own explicit DiscardProgress call as harmless
-idempotent defense-in-depth (covers the case where Forget finds nothing to
-retire at all) and updated its comment to explain the relationship rather
-than removing it.
-
-### B4 (major) — ResumePendingPlacement full record/projection agreement.
-### FIXED.
-Strengthened to match Complete()'s exact check set: projection.Entity,
-SessionLifetimeVersion, PositionAuthorityVersion (BOTH against the
-placement token AND against the LIVE canonical.PositionAuthorityVersion -
-catches something ELSE moving the record since this placement began, which
-the old check could not see), ExactCellId != 0 AND == canonical.FullCellId,
-PlacementCommitVersion == canonical.PlacementCommitVersion. Mismatch now
-routes through Abandon (was a bare RejectedAuthority before). Renamed the
-local placement token variable to placementToken to avoid shadowing the
-newly-threaded outer `token` parameter (then removed the parameter again
-since the strengthened check never needed the residence token's own
-SourcePlacementCommitVersion field - no natural equivalent baseline exists
-for a CONTINUATION's placement the way the residence's own token has one
-for the INITIAL placement, and adding an unused parameter was worse than
-omitting it).
-
-### A3 (blocker) — HasContact from wire IsGrounded. FIXED.
-Removed RuntimeInitialCreateExecutionInputs.HasContact entirely (record now
-just UsePositionFromServer/PlayerDistance). ApplyPositionAction's hasContact
-now reads `action.Position!.Value.IsGrounded` (WorldSession.EntityPositionUpdate
-already carries this field, PositionPack bit 0x4, server-asserted contact at
-admission time) - no PhysicsBody?.InContact derivation, no inputs fallback.
-Confirmed WorldSession.EntityPositionUpdate.IsGrounded already exists and is
-populated by BuildSameGenerationEvents (hardcoded true for
-SameIncarnationCreate-sourced positions - matches retail passing arg5=true
-directly for that source) and by every test's PositionUpdate helper. Fixed
-6 call sites across the test file that constructed
-RuntimeInitialCreateExecutionInputs with the now-removed named parameter;
-each one's semantic intent (contact true/false) was already independently
-preserved by the underlying WorldSession.EntityPositionUpdate.IsGrounded
-value at each site, confirmed individually before dropping the parameter
-(no test's PASS/FAIL meaning changed).
-
-### B5 (major) — remove HasAnimations SameIncarnationCreate short-circuit.
-### FIXED.
-hasAnimations is now `canonical.Snapshot.MotionTableId is {} m && m != 0u`
-unconditionally - the `action.PositionSource is SameIncarnationCreate ||`
-short-circuit is gone. (Note: the CLASSIFIER's OWN, separate
-`effectiveContact = Source is SameIncarnationCreate || HasContact`
-short-circuit for the non-local branch is untouched - that is a DIFFERENT
-mechanism the review did not flag, confirmed by rereading
-RuntimeAuthoritativePositionRouteClassifier.cs's ClassifyAcceptedPosition
-before making this change.)
-
-### B6 (major) — thread route flags through position apply + trace. FIXED.
-InboundPhysicsStateController.ApplyAcceptedPosition gained
-installPlacementFrame/clearParent bool params. installPlacementFrame gates
-the placement-id computation (previously unconditional whenever disposition
-was Apply); clearParent gates whether ParentGuid/ParentLocation/
-Physics.Parent get nulled (previously unconditional always-null). Legacy
-TryApplyPosition passes true/true (exact prior behavior, verified by
-re-deriving the original unconditional logic under installPlacementFrame=true
-matches it exactly). The executor passes
-installPlacementFrame: route.ApplyPlacementFrameBeforeRouting,
-clearParent: route.UnparentBeforeRouting directly - confirmed by rereading
-the classifier that UnparentBeforeRouting is false ONLY for the
-ForcePosition branch and true for every other accepted route, matching
-retail's Gate-A-returns-before-unset_parent structure exactly (no OR/
-redundant condition needed, unlike the pinned hint's phrasing - the route's
-own flag already encodes the full decision). Added a NEW execution-rejected
-stamp variant (see B10) that also needed these two params threaded through
-for its own call site. Extended RuntimeInitialCreateExecutedAction with
-ConstrainPhase/StopInterpolating/ZeroVelocity/PreserveHeading/
-SendPositionImmediately/UnparentBeforeRouting, all pulled from the route in
-BuildPositionTrace (both the accepted-merge and resume call sites already
-pass a fully-populated route, including the RejectedAuthority/RejectedData
-factory routes' all-false/None defaults).
-
-### B7 (major) — deferred-child replay via whole-bucket detach. FIXED.
-Added ParentAttachmentState.DetachDeferredCreates(parentGuid) ->
-ImmutableArray: atomically removes and returns the
-ENTIRE queued bucket for one parent (retail: PartArray::add_child-owning
-CreateObject handler detaches the whole netblob list before dispatching,
-pseudo-C ~93617 - detach IS the consume, no separate peek-then-remove).
-ReplayDeferredChildren rewritten to call this once and iterate the detached
-snapshot, rechecking _entities.IsCurrent(canonical) per iteration (unchanged
-abandonment semantics) - this structurally eliminates the old peek/consume
-loop's stale-AdmissionId race entirely (a Create arriving for the SAME
-parent during replay now enqueues into a BRAND NEW queue instance, since the
-old one was already removed from the dictionary). Kept TryPeekDeferredCreate/
-ConsumeDeferredCreate/ContainsDeferredCreate/CancelDeferredChildGeneration -
-still used by other invariants and by
-StaleAdmissionIdCannotConsumeAReplacementQueuedAfterThePeek, which tests
-ParentAttachmentState directly (Section C matrix item: the round3-fixes
-text asked E-scenarios to go through the executor path - added a NEW
-executor-path test, MultipleChildrenQueuedBehindOneMissingParentReplayInFifoOrderThroughTheExecutor,
-covering 2 children queued behind one missing parent, both replaying in
-order once the parent registers, rather than migrating the existing
-ParentAttachmentState-direct test, since that one specifically exercises
-the AdmissionId-staleness invariant which is a ParentAttachmentState-level
-contract independent of the executor).
-
-### B8 (major) — rename unreachable ResidentCellCleanup disposition. FIXED.
-NoCellClaimedDestructionMarked -> CelllessNoWeenieMarkUnreachable, with an
-updated doc comment citing HandleCreateObject retail-notes.md function 1
-lines ~93942-93943 and the shape guarantee at
-RuntimeInitialCreateResidenceState.cs:277-284
-(RuntimeInitialCreateResidenceContinuation.HasValidShape enforces
-Actions[^2].Kind is WeenieDescription for every admitted envelope, so
-retail's matching "no weenie" condition can never be true through this
-exact construction). Updated the one test reference
-(SameIncarnationEnvelopePublishesNothingUntilEveryStageCommitsThenPublishesInStageOrder).
-
-### B9 (major) — Parent continuation execution-time revalidation. FIXED.
-New ApplyParentContinuation wrapper (called from ApplyContinuation's Parent
-case instead of ApplyParentAction directly): re-checks
-_entities.TryGetActive(parentGuid) + incarnation match at EXECUTION time; on
-mismatch, re-enqueues via _entities.ParentAttachments.Enqueue(parentUpdate)
-and records a routine trace entry (Completed, not abandonment) instead of
-running ApplyParentAction against a parent that may have been deleted or
-replaced between admission and this drain reaching it. Added
-ParentContinuationRevalidatesLiveParentAtExecutionAndReDefersOnMismatch:
-admits a Parent continuation while the parent is still active, deletes the
-parent before the drain runs, asserts the drain still converges cleanly and
-the update lands back in ParentAttachmentState's unresolved queue
-(UnresolvedRelationCount == 1) rather than crashing or committing against a
-gone parent.
-(Envelope-side note: RuntimeInitialCreateTailActionKind.Parent has no case
-in ApplyEnvelope's switch at all - only CreateParent does, confirmed by
-rereading RuntimeInitialCreateResidenceState.cs's HasValidShape/
-SameCreateStage: the position-branch stage only ever admits
-CreateParent/Pickup/Position, never standalone Parent - so B9 only applies
-to the standalone top-level continuation kind, which is where the fix
-landed.)
-
-### B10 (major) — new stamp variant for execution-time-rejected retained
-### Position. FIXED.
-Added InboundPhysicsStateController.ApplyAcceptedPositionExecutionRejectedSnapshot
-(+ its RuntimeEntityDirectory delegate): stamps Position/Teleport/
-ForcePosition timestamp channels (all three the gate genuinely advanced at
-ADMISSION time) without installing any pose/parent/placement field -
-distinct from the EXISTING ApplyAcceptedPositionTimestampOnly (the
-ADMISSION-time-gate-Rejected case, where only ForcePosition can have moved).
-ApplyPositionAction's `!route.Accepted` branch now branches on
-action.PositionDisposition: Rejected (admission itself rejected) uses the
-existing Rejected-forced merge; Apply/ForcePosition (admission accepted, but
-EXECUTION-time classification now rejects) uses the new stamp variant. Not
-independently unit-tested with a NEW dedicated test (constructing a retained
-action whose ADMISSION disposition is Apply/ForcePosition but whose
-EXECUTION-time classification genuinely rejects needs a live-input/record
-mismatch crafted between admission and drain - flagged as a coverage gap;
-the code path was verified by direct code review of both branches against
-InboundPhysicsStateController.ApplyAcceptedPositionTimestampOnly's own
-existing doc comment, which independently documents the same
-admission-vs-execution distinction this fix formalizes).
-
-### B11 (major) — Progress creation timing. FIXED.
-Execute/ExecuteCore restructured: an existing Progress for a mismatched
-LeaseId is discarded AND the call fails closed immediately (preserves the
-EXISTING contract/test
-StaleProgressLeaseIdIsDiscardedAndFailsClosedThenRetrySucceedsCleanly's
-"fail THIS call, retry succeeds fresh" two-step semantics - my first attempt
-at B11 broke this test by silently continuing forward in the SAME call
-after discarding stale progress; caught immediately by the full-suite run,
-reverted to the fail-closed-then-retry shape). A FRESH Progress for the
-CURRENT lease id is never created until _residences.Complete(...) actually
-reports Completed - PendingPlacement/RejectedToken/RejectedAuthority
-outcomes on a call with no PRIOR progress now leave the ownership ledger
-(ProgressCount) completely untouched, rather than a placeholder Progress
-object sitting in _progress for a residence that has not even resolved its
-own initial placement yet.
-
-## Test suite status after Round 3
-- 5 NEW tests added (all Round 3): DrainedAppearanceAndPoseSurviveTheNextLegacyWireApply
- (A1), SameIncarnationWeenieDescriptionMergePreservesRetainedMotionTableId
- (A2), WeenieDescriptionStageWiresTheObjectTableExactlyOnce (B12),
- MultipleChildrenQueuedBehindOneMissingParentReplayInFifoOrderThroughTheExecutor
- (B7), ParentContinuationRevalidatesLiveParentAtExecutionAndReDefersOnMismatch
- (B9).
-- 1 EXISTING test rewritten from Assert.Throws to typed-abandonment
- assertions (ResidentCellCleanupFailsClosedWhenClaimedCelllessOutcomeIsNotUnderLostCellOwnership,
- covers B1's ResidentCellCleanup-abandonment path).
-- 1 EXISTING test's enum reference updated
- (SameIncarnationEnvelopePublishesNothingUntilEveryStageCommitsThenPublishesInStageOrder,
- B8 rename).
-- 6 EXISTING call sites fixed for the removed HasContact parameter (A3) -
- none of their PASS/FAIL semantics changed, only the construction syntax.
-- Complete AcDream.Runtime.Tests: 858 passed (853 Round-2 baseline + 5 new),
- 0 failed.
-
-## Known gaps NOT covered by a new dedicated test (time-budget /
-## defensibility tradeoffs, reported honestly rather than papered over):
-- B1's operation-slot-contention retry path (transient
- TryBeginExclusiveAuthoredPlacement failure while the record stays
- current) - needs a second concurrent SetPosition consumer occupying the
- same key's slot; none of the harness helpers construct that scenario.
- Verified by code review against RuntimeSetPositionState's exact failure
- conditions instead.
-- B10's execution-time-rejected (admission accepted, live classification
- rejects) Position stamp path - needs a live-input/record mismatch crafted
- between admission and drain. Verified by code review + cross-reference
- against ApplyAcceptedPositionTimestampOnly's existing analogous doc
- comment instead.
-- B2's reentrant-retirement-window closure is a structural/ordering fix
- (mutate -> rebaseline -> publish) proven correct by the FULL 858-test
- suite staying green (nothing in the existing suite depends on the OLD
- ordering) rather than by a dedicated synthetic-reentrancy test - building
- a true concurrent-observer reentrancy test that could only pass with the
- NEW ordering and fail with the OLD one was judged lower value than the
- other coverage gaps given the remaining time budget.
-- Section C's full 9-sub-matrix enumeration from round3-fixes.md was not
- exhaustively built out; the 5 new tests target the SPECIFIC new/changed
- behaviors (A1/A2/B7/B9/B12) plus B1's rewritten test, prioritized over
- broad matrix completeness under this round's time budget.
-
-## ROUND 4: combined re-review findings (round4-fixes.md, R4-1..R4-15).
-## Smaller than Round 3; same bar. Implemented in this order: R4-4 (field-
-## masked baseline enum/method - foundational, everything else built on it),
-## R4-1 (deferred-child replay containment/restore), R4-5+R4-6 (Parent
-## discard + trace enums), R4-2 (ResumePendingPlacement forget-before-abandon),
-## R4-3 (WeenieDescription apply-window reorder + result check), R4-7/R4-8
-## (test-only trace-flag/wire-vs-body fixes), R4-9 (two mandated tests),
-## R4-10 (captured-key threading), R4-11 (ApplyStateAction bool fix),
-## R4-12/R4-13 (doc comments + fallback + structural test pin), R4-14 (doc
-## comment), R4-15 (register-rows-draft.md rewrite).
-
-### R4-1 (deferred-child replay containment). FIXED.
-ReplayDeferredChildren rewritten: (a) each child's `_registerDeferredChild`
-call now runs inside try/catch - an exception records
-RuntimeDeferredChildReplayOutcome.Rejected and the loop continues with the
-next entry (was: an uncontained exception would have escaped Execute
-entirely and stranded every remaining sibling). (b) mid-loop abandonment
-(entity no longer current, e.g. a reentrant delete/reset from an earlier
-sibling's own registration callback) now calls the NEW
-ParentAttachmentState.RestoreDeferredCreates(parentGuid, remainder) - a
-new method that PREPENDS the exact unprocessed remainder (original
-DeferredParentCreate records, so original AdmissionIds are preserved) ahead
-of anything enqueued for the same parent guid after the detach - before
-returning false. Previously the whole detached array was simply dropped on
-the floor on abandonment; this was a genuine data-loss bug (retail's queued
-blobs live on CObjectMaint per-GUID and survive the object; our own
-GUID-keyed persistence design already assumed this but the code broke it).
-Tests: DeferredChildReplayContainsOneChildsThrowingRegistrationAndContinuesWithSiblings
-(3 children behind one parent; child 2's registration is forced to throw
-via a reflection-swapped _registerDeferredChild delegate - the standard
-fault-injection pattern this file already used for
-SetCompletedAdoptionRevision; child 1 and 3 still register, trace shows
-Rejected for child 2, no exception escapes Execute) and
-DeferredChildReplayRestoresTheUnprocessedRemainderWhenTheParentIsDeletedReentrantlyMidReplay
-(2 children; child 1's registration callback reentrantly deletes the
-PARENT; child 2's raw Create is confirmed back in the bucket via
-ContainsDeferredCreate; asserted residence-lease-count == 1, matching the
-EXISTING DeleteDuringDeferredChildReplayAbandonsExecutionWithoutResurrection
-precedent - that "1" is child 1's own never-executed residence, not a
-leak; first draft of this test wrongly asserted 0 and had to be corrected
-after tracing the precedent test's own comment).
-
-### R4-2 (ResumePendingPlacement leaked the acknowledged completion on
-### both failure arms). FIXED.
-Both failure arms (projection/record mismatch; ConsumeAcknowledgedPlacement
-failure) now call `_physics.SetPosition.ForgetExactPlacement(placementToken)`
-+ `PublishCancellation` BEFORE clearing progress.PendingContinuationPlacement
-and calling Abandon (forget -> clear -> Abandon, exactly as pinned).
-Verified ForgetExactPlacement's own ForgetPlacementCompletionCore already
-removes the _acknowledgedPlacementCompletions entry unconditionally (read
-the source directly) - no separate ForgetPlacementCompletion call was
-needed. Tests:
-ExternalFullCellMutationDuringAwaitingContinuationPlacementForgetsThePendingPlacementAndAllowsAFreshOneToBegin
-(the reviewer's exact scenario: drive a local-teleport continuation to
-AwaitingContinuationPlacement, complete/acknowledge its placement, THEN
-mutate FullCellId externally, assert the NEXT Execute fails closed,
-AcknowledgedPlacementCompletionCount == 0, and a FRESH
-TryBeginExclusiveAuthoredPlacement for the same key succeeds - proving no
-retained-completion leak) and
-ThirdPartyTryGetTransactionRetireWhileAwaitingContinuationPlacementDiscardsExecutorProgressAndForgetsThePendingPlacement
-(R4-9a, see below). VERIFIED both regression tests actually catch the bug:
-temporarily stripped the forget/publish calls from both failure arms (kept
-a backup copy of the file), reran the R4-2 test - confirmed FAIL
-(AcknowledgedPlacementCompletionCount stayed 1, not 0) - then restored the
-fix and confirmed both tests pass again.
-
-### R4-3 (ApplyWeenieDescriptionAction object-table apply window/result).
-### FIXED.
-Reordered to AdvanceCreateAuthority -> AdvanceExecutorBaseline ->
-_applyAcceptedSpawn -> (false result -> return false, letting the EXISTING
-caller route to Abandon) -> buffered publish. Previously the rebaseline ran
-AFTER _applyAcceptedSpawn and the bool result was silently discarded -
-mirrors RuntimeLiveEntitySessionController.cs:87's own gate on that same
-call's result (a nested replacement re-entering from within
-ObjectTableWiring.ApplyEntitySpawn's own synchronous ObjectAdded/
-ObjectUpdated dispatch must invalidate the remaining tail). Tests:
-ObjectTableSubscriberReenteringAWireApplyDuringIngestDoesNotRetireTheResidenceAndTheEnvelopeCompletes
-(subscribe to lifetime.Objects.ObjectAdded, reentrantly call TryApplyVector
-from inside it - residence survives, envelope completes) and
-NestedReplacementDuringObjectTableIngestAbandonsTheWeenieDescriptionStageWithNoFurtherStages
-(same subscription point, but reentrantly RegisterEntity a NEWER
-incarnation for the SAME guid - Execute returns RejectedAuthority, no
-further stages ran). Both use ClientObjectTable's plain C# events directly
-(ObjectAdded/ObjectUpdated) rather than reflection - much simpler than
-initially planned once I found these were public events.
-
-### R4-4 (field-masked executor baseline precision). FIXED - foundational,
-### done FIRST since every apply method's shape changed.
-Added [Flags] enum RuntimeExecutorBaselineFields (PositionAuthorityVersion/
-CreateIntegrationVersion/FullCellId/PlacementCommitVersion) on
-RuntimeInitialCreateResidenceState.cs; AdvanceExecutorBaseline now takes a
-`fields` parameter and only copies the named field(s) from the live record
-into the CompletedEntry's Expected* baseline. Traced every apply method's
-ACTUAL field mutations against RuntimeEntityRecord.cs's own method bodies
-before assigning masks (not guessed): ObjDesc/Movement(both branches)/
-State/Vector move NONE of the four tracked fields (their own
-AdvanceXxxAuthority methods only bump ObjDescAuthorityVersion/
-MovementAuthorityVersion+MovementCommitVersion/StateAuthorityVersion+
-PhysicsStateMutationVersion/VectorAuthorityVersion+VelocityAuthorityVersion
-respectively - VelocityAuthorityVersion is NOT one of the four tracked
-fields) - AdvanceExecutorBaseline calls REMOVED entirely at these 4 sites.
-Position/Parent/CreateParent (applied branch) move PositionAuthorityVersion
-only. Pickup moves PositionAuthorityVersion + FullCellId (SetFullCell(0,0)).
-WeenieDescription's AdvanceCreateAuthority moves PositionAuthorityVersion +
-CreateIntegrationVersion (confirmed against its exact body). The pre-
-Complete pending-placement-window rebaseline in ExecuteCore now masks
-FullCellId + PlacementCommitVersion only (the sole legitimate between-calls
-mutation, RuntimeSetPositionState's own commit machinery). R4-5's NEW
-Parent-discard branch (ApplyParentPositionTimestampOnly/
-ApplyCreateParentPositionTimestampOnly) correctly calls NO
-AdvanceExecutorBaseline at all - traced that ApplyPositionTimestampOnly
-(the shared static body both go through) only writes PositionSequence/
-nested Physics.Timestamps.Position, never any AdvanceXxxAuthority method.
-Test: FieldMaskedBaselinePrecisionDetectsAnExternalPositionRaceDuringAnUnrelatedObjDescPublish
-(FIFO = ObjDesc then Vector on a parented/no-placement residence; an
-observer bumps PositionAuthorityVersion externally during ObjDesc's OWN
-publish; asserts the drain detects this at ConsumeExecuted - RejectedAuthority,
-not Released - proving ObjDesc's own apply correctly did NOT blanket-rebaseline
-and silently absorb the race).
-
-### R4-5 (stale-parent DISCARD, not re-Enqueue) + R4-6 (trace enums). FIXED.
-Added RuntimeParentRelationOutcome{Applied, DiscardedStaleParent} and
-RuntimeDeferredChildReplayOutcome{Registered, ReDeferred, Rejected}, both
-threaded onto RuntimeInitialCreateExecutedAction (renamed the old
-`bool DeferredChildRegistered` field to `RuntimeDeferredChildReplayOutcome?
-DeferredChildOutcome`, added a new `RuntimeParentRelationOutcome?
-ParentRelationOutcome` field). ApplyParentContinuation's stale-parent
-branch (standalone Parent) no longer calls ParentAttachments.Enqueue -
-instead calls the NEW ApplyParentPositionTimestampOnly (the SAME
-ApplyAcceptedParentSnapshot->ApplyPositionTimestampOnly merge body
-ApplyParentAction's own first step already used, but stops there - no
-AdvancePositionAuthority/LeaveWorld/Forget/publish) and traces
-DiscardedStaleParent. Added the ANALOGOUS revalidation to the envelope's
-CreateParent stage too (this never existed before at all - Round 3 B9 only
-touched the standalone Parent kind, explicitly noting the envelope path
-had no revalidation) via a new ApplyCreateParentContinuation wrapper +
-ApplyCreateParentPositionTimestampOnly helper; CreateParentUpdate carries
-no ParentInstanceSequence at all (confirmed from its own record definition
-and the TryApplyCreateParent doc comment: "unlike standalone ParentEvent it
-carries no parent INSTANCE_TS"), so only addressability is revalidated
-there, never incarnation match. UPDATED the existing Round 3 B9 test
-(renamed ParentContinuationRevalidatesLiveParentAtExecutionAndReDefersOnMismatch
--> ...AndDiscardsOnMismatch): asserts ParentRelationOutcome.DiscardedStaleParent
-in the trace and UnresolvedRelationCount == 0 (was asserting 1, i.e. the
-OLD re-defer semantics) - this was the ONE pre-existing test that broke
-after the R4-5 rewrite, exactly as expected, and was updated per the
-directive's explicit instruction.
-
-### R4-7 (test-only: wire-IsGrounded-vs-body-contact). FIXED.
-Parameterized the PositionUpdate test helper with `isGrounded = true`
-(default preserves every existing call site's behavior). Deleted the 3
-stale `ForceContact(canonical, inContact: true)` calls + their misleading
-"matching this test's ... premise" comments at LocalOrdinaryPosition.../
-RemoteNearContactPosition.../RemoteFarPosition... - none of them affect
-routing anymore since Round 3 A3 (HasContact reads ONLY wire IsGrounded).
-Added 2 new disagree-both-ways tests:
-LocalOrdinaryPositionRouteFollowsWireGroundedTrueWhenBodyContactIsFalse
-(wire true / body forced false -> Interpolate, i.e. route follows wire) and
-RemotePositionRouteFollowsWireGroundedFalseWhenBodyContactIsTrue (wire
-false / body forced true -> NoPositionOperation). Kept the ForceContact
-helper itself (still used by these 2 new tests to construct the
-disagreement).
-
-### R4-8 (D-matrix trace-flag assertions). FIXED.
-Added the missing ConstrainPhase/UnparentBeforeRouting/HookPhase/
-ZeroVelocity/StopInterpolating assertions to the 5 existing D-matrix tests
-(local ordinary, local teleport, remote near, remote far, projectile) per
-each route's own classified values (cross-checked against
-RuntimeAuthoritativePositionRouteClassifier's exact returned route structs,
-not guessed).
-
-### R4-9 (two missing mandated tests). FIXED.
-(a) ThirdPartyTryGetTransactionRetireWhileAwaitingContinuationPlacementDiscardsExecutorProgressAndForgetsThePendingPlacement:
-drives a local-teleport continuation to AwaitingContinuationPlacement
-(placement begun+watched, NOT yet acknowledged), externally bumps
-PositionAuthorityVersion, then calls
-lifetime.InitialCreateResidences.TryGetTransaction(canonical, out _)
-directly (the third-party path, not through Execute) - asserts it returns
-false (staleness detected), then asserts executor progress/residence-lease/
-active-operation/watch/acknowledged-completion counts are ALL zero (B3's
-notification edge correctly forgot the pending continuation placement, not
-just the residence's own initial-lease placement) and a fresh placement
-can begin. (b) is the ExternalFullCellMutationDuringAwaitingContinuationPlacement...
-test already covered under R4-2 above.
-
-### R4-10 (captured-key threading through every Abandon call site). FIXED.
-Threaded `RuntimeEntityKey key` as an explicit parameter through
-ApplyContinuation/ApplyParentContinuation/ApplyEnvelope/ApplyPositionAction/
-ResumePendingPlacement (all captured ONCE in ExecuteCore from
-`canonical.Key is not { } key` at the very top). Replaced all 19
-`canonical.Key ?? default` occurrences (18 Abandon call sites + the
-ExecuteCore Released-branch receipt construction) with the threaded `key`.
-This is not purely cosmetic: `canonical.Key ?? default` re-derives the key
-from the LIVE record at each call site, which produces `default` (WRONG -
-does not match the Progress dictionary's actual key) if canonical.Key has
-already gone null (e.g. LocalEntityId released) by the time Abandon runs -
-DiscardProgress(default) would silently fail to clean up the REAL stale
-Progress entry. The threaded key is trusted/stable for the whole Execute
-call. ApplyPositionAction's own top guard (`canonical.Key is not {} key`)
-was simplified to `canonical.Key != key` since key is now a parameter, not
-a fresh pattern-bind.
-
-### R4-11 (ApplyStateAction BecameHidden currency-failure now returns
-### false, not true). FIXED.
-Changed `return true;` to `return false;` in the BecameHidden branch's
-currency-failure check - the EXISTING caller (`if (!ApplyStateAction(...))
-return Abandon(...)`) already converts false -> Abandon correctly, so no
-other change was needed. Documented via a new doc comment on the method
-explaining WHY this specific path is not independently unit-tested with a
-live reentrancy seam: traced RuntimeCollisionReportingState.LeaveWorld ->
-ForceEnd -> EndExpiredObjectCollisions and confirmed it returns immediately
-whenever `_owners` has no established collision record for this key (line
-~1115-1119) - which is ALWAYS true for a residence-fresh entity that has
-never run a real collision batch, so no observer callback can ever fire
-from this call site through this harness. Did not fake a seam; documented
-per the round's explicit escape valve for this exact finding.
-
-### R4-12 (ForcePosition parent-retention doc + structural test pin). FIXED.
-Added a code comment at InboundPhysicsStateController.ApplyAcceptedPosition's
-`parentGuid` computation citing retail Gate A (retail-notes.md function 3,
-"GATE A: local-player force-position self-echo shortcut" - the early return
-before CPhysicsObj::unset_parent). Extended the EXISTING ForcePosition test
-(ForcePositionContinuationRecordsSetPositionSimpleWithPreservedHeadingAndNoParentClear):
-attaches a parent via lifetime.Entities.TryCommitParent BEFORE the
-ForcePosition update (gate-satisfying positionSequence match verified
-against Spawn()'s own default), then asserts BOTH Position and
-ParentGuid/ParentLocation are non-null after the drain - pinning the
-deliberate combined shape deliberately, per the directive.
-
-### R4-13 (HasAnimations Physics?.MotionTableId fallback). FIXED.
-`hasAnimations` in ApplyPositionAction now reads
-`(canonical.Snapshot.MotionTableId ?? canonical.Snapshot.Physics?.MotionTableId)
-is {} m && m != 0u` - exact pinned formula. No dedicated new test (NOTE
-priority per the directive); existing HasAnimations-adjacent tests
-(ForcePosition non-animated route etc.) continue to pass unchanged since
-top-level MotionTableId is populated in every existing test fixture.
-
-### R4-14 (AwaitingContinuationPlacement doc comment). FIXED.
-Added a doc comment on the enum value explaining the two distinct flavors
-sharing this one status (ordinary token-available case vs Round 3 B1's
-operation-slot-contention case where TryGetPendingContinuationPlacement
-returns false) and the correct caller action for each.
-
-### R4-15 (register-rows-draft.md rewrite). FIXED - scratchpad-only, no
-### docs/ edits.
-Row A: dropped the MoveOrTeleport co-anchor (confirmed retail-notes.md
-never decompiled MoveOrTeleport's own internals; the ONLY confirmed
-HasAnims call site is inside HandleReceivedPosition itself, line ~92992),
-reworded "running cycle" -> "non-empty animation queue (anim_list.head_ !=
-0)", updated the divergence formula text to match R4-13's new fallback.
-Row C: broadened from "the 3 no-placement routes" to "NO route runs a live
-ConstrainTo, including SetPosition routes" per the directive, citing the
-3 ConstrainTo call sites at retail-notes.md lines ~93007/~93024/~93041.
-Row D: rewrote across the THREE ApplyResidentCellCleanup branches -
-claimed+celless+undeferred is now correctly described as a typed
-ABANDONMENT (not "a recorded fact" - that was wrong even before Round 4,
-since Round 3 B1 already changed this to Abandon; the register draft just
-hadn't caught up), the deferred flavor correctly delegates retail's
-AddObjectToBeDestroyed (93933) to the lost-cell/deferred owners, and the
-claimedCell==0 branch is explicitly marked NOT a divergence (structural
-shape guarantee, nothing to diverge from). Row E: softened the "no retail
-per-step notice" claim - retail DOES emit exactly ONE notice
-(ECM_Physics::SendNotice_CreateObject, ACCObjectMaint::CreateObject
-0x00558870 step 11) per Create, just not N per-internal-step; kept the
-consumer-facing risk warning unchanged. Row F: REMOVED from the register
-draft entirely (internal refactor debt between two not-yet-unified
-Position-apply paths, not a retail divergence) - replaced with (a) a code
-comment on InboundPhysicsStateController.TryApplyPosition's doc comment and
-(b) a new "ISSUES draft" section in the scratchpad file for eventual
-docs/ISSUES.md inclusion. Added Row G (new): the executor's canonical-cell
-semantics (refreshPosition: false), previously only a code comment, now
-also a proper register row citing the classifier comment + retail
-HandleReceivedPosition-never-writes-a-resident-cell fact.
-
-## ROUND 4 FINAL GATES: see final report for exact totals.
-
----
-
-# CUTOVER SLICE C0 — Runtime bridge + live inputs (new implementer session)
-
-Worked from c0-contract.md (pinned), 2026-08-02-placement-cutover.md,
-2026-08-02-cutover-route-inventory.md, 2026-08-02-runtime-continuation-
-executor-handoff.md. HEAD at start 27e05b99.
-
-## Discovery that changed my design: the observer/sink pipe already exists
-Before designing C0-1, grepped for `IRuntimePlacementObserver`/
-`IRuntimePlacementProjectionSink` production usage - found
-`RuntimePlacementProjectionSubscription` (Runtime-owned,
-`IRuntimePlacementObserver`), `RuntimePlacementPresentationSink` (App),
-`HeadlessRuntimePlacementProjectionSink` (Headless) ALL already exist and
-are production-wired (`GraphicalSessionEventRoute`/`HeadlessSessionHost`).
-The cutover-route-inventory.md's "zero production IRuntimePlacementObserver"
-claim is stale - superseded by a slice landed after that doc. What's still
-genuinely dormant: nothing ever PUBLISHES into the channel in production,
-because `Execute`/`RegisterEntityWithInitialResidence` still have zero
-production callers. This meant C0-1 could NOT touch App/Headless sink
-implementations (hard rule anyway) - the new `ExecutorCompleted` Kind will
-sit unhandled by those sinks (return false) until a LATER cutover slice
-updates them, but since Execute has no production caller today this never
-fires in production. Documented this explicitly in code comments.
-
-## C0-1: executor → placement-channel completion bridge. DONE.
-Design (pinned contract's suggested shape, exactly): extended the
-vocabulary, not the plumbing. New `RuntimePlacementProjectionKind.
-ExecutorCompleted` (append-only, no exhaustive-switch breaks found anywhere
-in src/tests via grep). New `RuntimeSetPositionState.PublishExecutorCompletion
-(record, portal=default)`: builds a FRESH token via the SAME
-`_nextProjectionSequence` counter every other publish uses (preserves
-temporal/exact-head ordering), but derived from the CANONICAL RECORD's
-current authority/version/cell facts (`_entities.SessionLifetimeVersion`,
-`record.FullCellId`, `_physics.ExpectedCollisionGeneration(record.FullCellId)`)
-rather than an Operation snapshot - correct because by the time Execute
-reaches `Released`, the residence's/continuation's own operation is already
-gone (adopted/acknowledged earlier in the SAME drain). `AcknowledgeProjection`
-gained one extra Kind in its existing `Discard`-only fast path
-(`Discard or ExecutorCompleted` -> remove + retire quiescence, no Operation
-lookup) - there is no operation backing an ExecutorCompleted receipt, exactly
-like Discard.
-Correlation (the "reachable from/correlated with" ask): did NOT put the rich
-internal `RuntimeInitialCreateExecutionReceipt` on the PUBLIC
-`RuntimePlacementProjectionSnapshot` (would need public exposure of an
-entire internal enum/struct family, or risk CS0053 inconsistent-accessibility
-if done wrong) - instead the executor keeps a private
-`Dictionary` overwritten
-per-key on each completion (bounded by live entity count, never
-accumulates), queried via `TryGetCompletionReceipt(in RuntimePlacementProjectionToken)`
-which verifies BOTH Entity and Sequence match before returning true - a
-host/test correlates purely through the PUBLIC token identity every other
-Kind already uses. The executor calls `PublishExecutorCompletion` exactly
-once, at `ExecuteCore`'s `Released` exit (canonical still provably current
-there).
-Tests: `PublishExecutorCompletion_PublishesAcknowledgeOnlyReceiptAndConverges`,
-`PublishExecutorCompletion_RespectsExactHeadOrderingAcrossEntities`
-(RuntimeSetPositionStateTests.cs, isolated unit level);
-`ExecutorCompletion_PublishesOnTheSamePlacementStreamCorrelatedWithTheFullReceipt`,
-`ExecutorCompletion_ObservedOnlyAfterAnyContinuationPlacementInFifoOrder`
-(RuntimeInitialCreateContinuationExecutorTests.cs, full Execute-drain
-integration, the second proving continuation-Place-then-ExecutorCompleted
-FIFO ordering).
-
-## C0-2: Runtime-side live inputs. DONE.
-UsePositionFromServer: grepped named-retail decomp for
-`CommandInterpreter::UsePositionFromServer`/`SetAutonomyLevel`/
-`autonomy_level` - found `result = this->autonomy_level != 2` (pseudo-C
-699510), default `autonomy_level = 2` at construction (699752) AND at
-`command_line_autonomy_level` (1088429, itself `0x2` by default) - autonomy
-is a STARTUP/command-line-only knob in retail; no in-game caller of
-SetAutonomyLevel exists anywhere in the decomp. Added the exact mirror to
-`RuntimeCharacterState` (the "character-option owner" the contract named):
-`FullAutonomyLevel=2u` const, `AutonomyLevel` (Volatile-read uint,
-default 2), `UsePositionFromServer => AutonomyLevel != FullAutonomyLevel`,
-`TrySetAutonomyLevel(level)` (rejects >2, exact retail rule). Reset in both
-`ResetSession`/`Dispose`; added `AutonomyIsDefault` to
-`RuntimeCharacterOwnershipSnapshot`/`IsConverged`.
-PlayerDistance: grepped `LiveEntityNetworkUpdateController.cs` (App,
-read-only) for the legacy remote path's own distance basis (cutover-routes.md
-route 4) - confirmed `Vector3.Distance(worldPos, localPlayerPos)` where
-`localPlayerPos = _playerController?.Position ?? Vector3.Zero` (the live
-PHYSICS-CONTROLLER position, never a record snapshot). Bound source:
-`RuntimeLocalPlayerMovementState.Controller?.Position ?? Vector3.Zero` -
-same `PlayerMovementController` type.
-Executor: `RuntimeInitialCreateContinuationExecutor.BindLiveInputs(Func,
-Func)` (nullable seams, throws on double-bind matching
-`BindGeneration`'s convention), `ResolveInputs(canonical, inputs)` computes
-the EFFECTIVE `RuntimeInitialCreateExecutionInputs` ONCE per `Execute` call
-(bound source wins; unbound falls back to the caller struct field-by-field) -
-PlayerDistance uses THIS entity's own currently-accepted position
-(`Snapshot.Physics?.Position ?? Snapshot.Position`, the same field
-`CanonicalSetupTableId`-adjacent code already trusts) vs the bound live
-player position. Documented the one-shot-per-Execute-call granularity as
-inherited from the EXISTING `inputs` parameter shape, not a new limitation
-I introduced - out of C0-2's scope to refine to per-continuation freshness.
-`RuntimeEntityObjectLifetime.BindLiveInputs` forwards to the executor
-(mirrors `BindEventContext`'s existing fan-out shape). `GameRuntime.cs` wires
-the REAL sources right after `BindEventContext`, since `RuntimeCharacterState`/
-`RuntimeLocalPlayerMovementState` are constructed AFTER `RuntimeEntityObjectLifetime`
-in `GameRuntime`'s own sequence (verified exact construction order first).
-Tests: `RuntimeCharacterStateTests.cs` (`AutonomyLevel_DefaultsToFullAndMirrorsRetailUsePositionFromServer`,
-`ResetSession_RestoresAutonomyLevelToFull`);
-`RuntimeInitialCreateContinuationExecutorTests.cs`
-(`BindLiveInputs_DrivesClassificationFromTheBoundSourcesInsteadOfTheCallerStruct`
-- proves bound-wins AND live-read-not-cached-at-bind-time by flipping the
-captured bool between two entities' drains;
-`BindLiveInputs_ThrowsOnASecondBindAndUnboundExecutorsUseTheCallerStructUnchanged`).
-
-## C0-3: exact-Setup mover chain end-to-end. DONE.
-New `RuntimeSetPositionState.TryPrepareAndSubmitAuthoredPlacement(record,
-token, operationKind, flags, IPreparedCollisionSource, gameTime, out outcome,
-placementClass=Ordinary, portal=default, ...scatter/shadow-offset params)`:
-reads the CANONICAL Setup table id via the EXISTING private
-`CanonicalSetupTableId(record)` (same field `CapturePreparationAuthority`
-already trusts - never a caller-supplied id), takes the retail "genuine no
-Setup" dummy path (`RuntimeSetPositionMoverSetup.ResolvedAbsent`) when that id
-is 0, else calls `collisionSource.ReadSetupCollision(setupTableId)` and maps
-Missing/Corrupt -> `RetrySetupUnavailable` (per `RuntimeSetPositionMoverSetup`'s
-own doc-comment distinction between "not arrived yet" and "resolved absent" -
-never manufactures a fallback while a real read is in flight) or Loaded ->
-`RuntimeSetPositionMoverSetup.Resolved(id, data)`, then chains straight into
-the EXISTING `PrepareMover` -> `SubmitPreparedPlacement`. Pure wiring - zero
-changes to `PrepareMover`/`RuntimeSetPositionMoverPreparer.TryBuild`/
-`SubmitPreparedPlacement`'s own validation semantics (per the contract's
-explicit "wiring, not behavior change" constraint) - confirmed by re-reading
-both untouched.
-Tests (RuntimeSetPositionStateTests.cs, new `FakeCollisionSource :
-IPreparedCollisionSource` test double, only `ReadSetupCollision` implemented
-- others throw `NotSupportedException` since C0-3 exercises only that one):
-`TryPrepareAndSubmitAuthoredPlacement_ChainsSetupReadThroughPrepareMoverToSubmit`
-(authored two-sphere Setup reaches `SubmitPreparedPlacement` and
-`TryGetPreparedMoverSphereCount` byte-exactly == 2, matching the existing
-preparer tests' own expectations) and
-`TryPrepareAndSubmitAuthoredPlacement_YieldsRetryOnAMissingSetupReadWithoutMutatingStage`
-(Missing status -> `RetrySetupUnavailable`, operation stays
-`AwaitingPreparation`/`IsPlacementCurrent` true, no prepared-mover sphere
-count recorded - genuinely retryable, not a dead token).
-
-## C0-4: TryCommitParent/CommitWithdrawal cancellation asymmetries. DONE,
-## both confirmed at source exactly as the inventory claimed.
-(a) `RuntimeEntityObjectLifetime.TryCommitParent` (944-974 pre-fix) had
-NEITHER `ForgetInitialCreateResidence` NOR `Physics.SetPosition.Forget` -
-confirmed by direct read, contrasted against the sibling
-`CommitPositionChannelUpdate` (used by `TryApplyParent`/`TryApplyCreateParent`)
-which has BOTH. Fixed: added the identical
-`ForgetInitialCreateResidence` -> `Physics.SetPosition.Forget` ->
-`PreferCancellation` -> pass to `AcknowledgeProjectionAndPublish` sequence.
-Deliberately did NOT add `Physics.CollisionReports.LeaveWorld` (present in
-`CommitPositionChannelUpdate` but outside the contract's explicit
-"residence/placement-family cancellation" scope, and I have no retail
-citation that a STAGED parent-attach commit should also force a collision
-leave-world at this exact point) - flagging this as a considered, deliberate
-non-addition rather than an oversight.
-(b) `CommitWithdrawal` (1401-1422 pre-fix) called `ForgetInitialCreateResidence`
-but not `Physics.SetPosition.Forget` - confirmed by direct read, contrasted
-against `TryApplyPickup`/`CommitAcceptedParentCellless`/`TryAcceptDelete`
-which all cancel both. Fixed symmetrically (added the ordinary Forget +
-PreferCancellation into the existing `cancellation` variable already threaded
-to `AcknowledgeProjectionAndPublish`).
-Tests, three total, each begins an ACTUAL in-flight SetPosition operation
-that has already reached `SubmitPreparedPlacement`'s pending-Place stage (a
-still-`AwaitingPreparation`, never-submitted operation produces NO Discard
-receipt at all when cancelled - `CancelCoreDeferred` only converts an
-EXISTING pending projection into a Discard; there is nothing to discard if
-nothing was ever published - this cost one debugging round, see below):
-`RuntimeInitialCreateResidenceStateTests.
-TryCommitParent_CancelsActiveInitialResidenceAndItsPendingPlacement`
-(residence's OWN placement, still unacknowledged, is the thing cancelled -
-both Forget calls fire but only one finds anything, `PreferCancellation`
-picks it, exactly one Discard observed); `RuntimeSetPositionStateTests.
-TryCommitParent_CancelsASeparateActiveOrdinaryPendingPlacement` and
-`CommitWithdrawal_CancelsAnActiveOrdinaryPendingPlacementSymmetricallyWithPickup`
-(plain `RegisterEntity`, no residence at all - isolates the SECOND,
-previously-missing Forget call specifically). All three assert the Discard
-sits at the SAME sequence as the original Place (Revision bumped), then
-explicitly acknowledge it and assert `PendingProjectionCount == 0` - a
-cancelled-but-unacknowledged receipt stays IN the pending set (replaced, not
-removed) until a host consumes it, same as every other in-flight-cancel path
-in this codebase.
-
-## Debugging round (all 4 caught by the focused-filter run, all root-caused
-## and fixed, not worked around):
-1. Three C0-4 tests initially asserted a Discard would be published from
- cancelling a placement operation still in `AwaitingPreparation`
- (never submitted) - traced `CancelCoreDeferred` and confirmed it only
- converts an EXISTING `_pendingProjection` entry to Discard
- (`operation.ProjectionSequence != 0UL` gate); an unpublished operation
- just disappears from `_operations` with no receipt, which is CORRECT
- (nothing was ever promised to a host). Fixed the TESTS to reach
- `SubmitPreparedPlacement`'s pending-ack stage first, not the production
- code.
-2. Two of those same tests then asserted `PendingProjectionCount == 0`
- immediately after cancellation - wrong; a Discard REPLACES the pending
- entry at the same sequence (Revision+1), it does not remove it. Fixed the
- assertions to expect 1, then explicitly acknowledge, then expect 0.
-3. `TryCommitParent_CancelsActiveInitialResidenceAndItsPendingPlacement`'s
- `Prepare(..., RuntimeSetPositionMoverSetup.ResolvedAbsent)` failed with
- `InvalidData` because `Spawn(guid, 1)` in that file defaults
- `setupId: 0x02000001u` (nonzero), mismatching `ResolvedAbsent`'s claimed
- "no Setup at all". Fixed by passing `setupId: null` explicitly (matching
- the file's OWN existing convention for this exact scenario, e.g.
- `ResetSnapshotsAllResidenceOwnersBeforeReentrantDiscardObserver`).
-4. `BindLiveInputs_DrivesClassificationFromTheBoundSourcesInsteadOfTheCallerStruct`
- failed `AcknowledgeProjection` on a SECOND entity's placement - not exact
- head. Root cause: the FIRST entity's full drain published its own
- `ExecutorCompleted` receipt (C0-1) which I never acknowledged before
- moving on to the second entity - this is CORRECT exact-head behavior
- (great incidental proof C0-1's ordering guarantee holds), not a bug.
- Fixed the test to peek+acknowledge the first completion before
- proceeding.
-
-## Final gates (all green)
-1. `dotnet build AcDream.slnx -c Release`: 0 errors, 21 warnings (all
- pre-existing, identical set to the executor handoff's baseline - zero
- new warnings from this slice).
-2. Focused filter (RuntimeInitialCreateContinuationExecutorTests|
- RuntimeInitialCreateResidenceStateTests|RuntimeSetPositionStateTests|
- RuntimePlacementProjectionSubscriptionTests|RuntimeCharacterStateTests|
- RuntimeEntityObjectLifetimeTests): 247/247 passed.
-3. Complete `AcDream.Runtime.Tests`: 916/916 passed (903 baseline + 13 new:
- 2 C0-1 unit + 2 C0-1 integration + 2 C0-2 executor + 2 C0-2 character-state
- + 2 C0-3 + 1 C0-4 residence + 2 C0-4 set-position-state).
-4. Complete solution (`dotnet test AcDream.slnx -c Release -m:1`): every
- project passed - App 4027/3 skip, Bake 15, Cli 4, Content 124, Core.Net
- 762, Core 4242/1 skip, Headless 76, Runtime 916, UI.Abstractions 543.
- 0 failed anywhere.
-5. `git diff --check`: clean (only pre-existing LF-will-become-CRLF
- metadata notices, no whitespace-error content).
-6. `git status`: exactly the 9 files this slice touched, plus the 8
- pre-existing protected dirty paths untouched (never staged/committed).
-
-## Files changed (Runtime + Runtime.Tests only, no App/Headless production,
-## no staging/commits)
-- src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs (C0-1 Kind+publish+
- ack branch; C0-3 chain method; +`using AcDream.Content;`)
-- src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs
- (C0-1 completion-receipt correlation + publish call site; C0-2
- BindLiveInputs/ResolveInputs)
-- src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs (C0-2
- BindLiveInputs forwarder; C0-4 TryCommitParent/CommitWithdrawal fixes;
- +`using System.Numerics;`)
-- src/AcDream.Runtime/Gameplay/RuntimeCharacterState.cs (C0-2 autonomy
- level/UsePositionFromServer)
-- src/AcDream.Runtime/GameRuntime.cs (C0-2 wiring the real sources;
- +`using System.Numerics;`)
-- tests/AcDream.Runtime.Tests/Physics/RuntimeSetPositionStateTests.cs (C0-1,
- C0-3, C0-4 tests + FakeCollisionSource; +`using AcDream.Content;`/
- `AcDream.Content.Pak;`)
-- tests/AcDream.Runtime.Tests/Entities/RuntimeInitialCreateContinuationExecutorTests.cs
- (C0-1, C0-2 tests + PlacementObserver fake)
-- tests/AcDream.Runtime.Tests/Entities/RuntimeInitialCreateResidenceStateTests.cs
- (C0-4 residence-side test)
-- tests/AcDream.Runtime.Tests/Gameplay/RuntimeCharacterStateTests.cs (C0-2
- autonomy tests)
-
-## Still dormant / no production caller flipped (per pinned scope)
-Nothing in App/Headless was touched; `Execute`/`RegisterEntityWithInitialResidence`
-still have zero production callers (unchanged from the executor handoff).
-`RuntimePlacementPresentationSink`/`HeadlessRuntimePlacementProjectionSink`
-will need an `ExecutorCompleted`-handling branch added when a LATER cutover
-slice (C1+) actually starts calling `Execute` in production - flagging this
-explicitly as the next slice's concern, not a gap in C0.
-
-**SUPERSEDED by the review fix round below**: the App/Headless sink
-untouched-claim above no longer holds - F1 sanctioned a scoped exception
-(exactly 3 sink files). See the fix-round section for the full disposition.
-
----
-
-# C0 REVIEW FIX ROUND (F1-F5)
-
-Both independent reviews returned FAIL with converging findings. Per the
-coordinator: all five retail semantic questions verified CLEAN (autonomy_level
-!= 2 derivation exact; distance basis matches retail + legacy path fallback;
-mover chain preserves prerequisite-B exactness; ExecutorCompleted
-unambiguously acknowledge-only; the LeaveWorld omission in TryCommitParent is
-REQUIRED per retail set_parent 0x00515A90:283832-283833's single gated
-leave_world - a second one would double-leave-world with no retail
-counterpart).
-
-## F1 (MAJOR, arch) - sink acknowledge-and-ignore. FIXED. SCOPE EXPANSION
-## SANCTIONED for exactly 3 files, no route flips, no other App/Headless changes.
-Root cause: `HeadlessRuntimePlacementProjectionSink.cs:51` (`is not Place ->
-false`), `RuntimePlacementPresentationSink.cs:89-96` (`_ -> false`),
-`LiveEntityRuntime.cs:969-976` (`_ -> false`) all silently reject
-ExecutorCompleted, and `RuntimePlacementProjectionSubscription` treats a
-false return on the FIFO head as "leave pending" - the first ExecutorCompleted
-reaching a production sink (at a future cutover slice) would permanently wedge
-the entire ordered placement stream behind it. Fixed all three: added an
-explicit `if (Kind is Discard or ExecutorCompleted) return true;`-shaped
-early return BEFORE each file's record-lookup/portal-shape gate (never
-letting ExecutorCompleted depend on a lookup that can legitimately fail for
-unrelated reasons). Provably inert today - `PublishExecutorCompletion` has
-zero production callers (`Execute`/`RegisterEntityWithInitialResidence` are
-both unreached) - documented in both the code comments and the new tests.
-Tests: `RuntimePlacementPresentationSinkTests.ExecutorCompleted_IsAckOnlyNoOpEvenWhenTokenIsStaleOrSidecarIsGone`
-(App, mirrors the existing Discard test exactly, proves ack regardless of a
-completely bogus/stale token) and
-`HeadlessSessionHostTests.ExecutorCompletedReceiptIsAcknowledgeOnlyRegardlessOfRecordValidity`
-(Headless, mirrors `PlacementReceiptUsesExactIncarnationAndDiscardIsAckOnly`'s
-stale-incarnation half).
-
-## F2 (MAJOR, both reviewers) - completion-receipt lifecycle. FIXED.
-Four sub-fixes, all landed:
-1. **Register-before-publish**: `PublishExecutorCompletion` gained a
- `beforePublish: Action?` callback invoked
- AFTER the token is added to `_pendingProjection` but BEFORE
- `PublishPlacement`'s synchronous observer dispatch. The executor's
- `ExecuteCore` Released case now registers `_completionReceipts[key]`
- inside that callback (capturing `receipt` via a local `completedReceipt`
- - an `out` parameter cannot be captured by a lambda) - a subscriber
- reading the correlation back from inside its OWN `OnPlacement` now always
- finds it.
-2. **Ack-driven removal**: new `RuntimeSetPositionState.BindExecutorCompletionAcknowledgement(Action)`
- (mirrors `RuntimeInitialCreateResidenceState.BindRetirementNotification`'s
- existing one-bound-delegate shape), invoked from `AcknowledgeProjection`'s
- ExecutorCompleted branch the moment a host acknowledges. Bound in all 3
- `RuntimeEntityObjectLifetime` constructors to
- `InitialCreateExecution.ForgetCompletionReceipt(key, sequence)` - a new
- executor method that removes exactly the matching (key, sequence) entry
- (exact-sequence-checked, so a NEWER completion under a reused key survives).
-3. **DiscardProgress/DiscardAll**: both now unconditionally reap
- `_completionReceipts` (Remove/Clear respectively) - DiscardProgress
- removes it EVEN WHEN `_progress` no longer tracks the key (the drain
- already removed its own Progress entry before publishing the completion),
- proven by a dedicated test.
-4. **Ownership/convergence**: added `PendingCompletionReceiptCount` to the
- executor and folded it into
- `RuntimeEntityObjectOwnershipSnapshot`/`IsConverged` (appended as the last
- positional field with a `= 0` default, following this record's own
- established extension convention) - chosen semantics: non-zero while
- unacknowledged, zero exactly at acknowledge, mirroring
- `RuntimeSetPositionOwnershipSnapshot.PendingProjectionAcknowledgementCount`'s
- existing "unacknowledged receipt is outstanding debt, gated by
- IsConverged" shape (documented as such, in contrast with the adjacent
- diagnostic-only `ReplayFailureCount`).
-Tests (`RuntimeInitialCreateContinuationExecutorTests.cs`):
-`ExecutorCompletion_ReceiptIsReadableFromWithinTheSameSynchronousOnPlacementDispatch`,
-`ExecutorCompletion_ConvergenceLedgerCountsAnUnacknowledgedReceiptAsOutstandingDebtUntilAcknowledged`,
-`ExecutorCompletion_CorrelationEntryIsReapedByDiscardProgress`,
-`ExecutorCompletion_CorrelationEntryIsReapedByDiscardAll` (the latter two
-split into single-entity tests after discovering combining them with a
-second entity in the SAME lifetime hit exact-head contention - see debugging
-notes below).
-
-## F3 (MAJOR, arch) - nullable local-player-position fallback. FIXED.
-`GameRuntime.cs:280`'s `context.Movement.Controller?.Position ?? Vector3.Zero`
-fabricated a distance basis of literal (0,0,0) whenever the login-window
-drain ran before the local player's own controller existed - a nearby remote
-entity could misclassify as >96m and hard-snap where retail would
-interpolate. Fixed per the contract's own fallback rule: `_localPlayerPosition`
-is now `Func?` (was `Func?`), `BindLiveInputs`'s parameter
-type updated to match, `ResolveInputs` now does
-`_localPlayerPosition?.Invoke() is { } localPlayerPosition` (both "unbound"
-AND "bound-but-returns-null" fall back to the caller struct's PlayerDistance
-identically), and `GameRuntime.cs` now binds
-`() => context.Movement.Controller?.Position` directly (a `PlayerMovementController?.Position`
-already yields `Vector3?` via null-conditional propagation - no `?? Vector3.Zero`
-needed or wanted). Test (both directions, per the ask):
-`BindLiveInputs_PlayerDistanceIsReadFromANonNullBoundSourceAndFallsBackToTheCallerStructWhenNull` -
-entity 1 has a bound NON-null near position (proves the bound value, not the
-caller struct's far value, wins -> Interpolate); entity 2 flips the SAME
-bound source to null (proves it falls back to the caller struct's far value,
-not Vector3.Zero -> SetPositionSimple/StopInterpolating).
-
-## F4 (MINOR) - TryCommitParent comment narrowed. FIXED.
-Rewrote the C0-4(a) comment: no longer claims "the SAME flow every sibling
-relation commit uses" wholesale (which would imply LeaveWorld too) - now
-states the Forget/PreferCancellation sequence is shared for THIS part of the
-job, and explicitly documents the deliberate LeaveWorld omission citing
-retail `set_parent` (0x00515A90, lines 283832-283833)'s single gated
-leave_world call, which this method's staged/deferred-replay commit already
-represents - a second LeaveWorld here would double-leave-world with no
-retail counterpart.
-
-## F5 (NOTEs). FIXED.
-(a) `TrySetAutonomyLevel`'s doc comment now notes retail's setter ALSO sends
-`SendAutonomyLevelEvent` (pseudo-C 699550) and that any FUTURE host exposure
-of this setter must carry the equivalent outbound event, not just the field
-write.
-(b) `FullAutonomyLevel`'s doc comment corrected from "No in-game caller of
-CommandInterpreter::SetAutonomyLevel exists" (implying zero callers anywhere)
-to the precise claim: exactly ONE retail caller exists, the startup
-construction path at pseudo-C 94102 (the constructor's own default at 699752
-is a direct field write, not a SetAutonomyLevel call, so it doesn't count as
-a second caller).
-
-## Debugging round for the F2/F3 tests (both caught by the test run, both
-## root-caused, not worked around)
-1. `ExecutorCompletion_CorrelationEntryIsReapedByDiscardProgressAndDiscardAll`
- (combined, single lifetime, two entities) failed at the SECOND entity's
- `CompleteInitialPlacement` - root cause: the FIRST entity's
- ExecutorCompleted receipt was left UNACKNOWLEDGED in `_pendingProjection`
- (by design, to prove DiscardProgress reaps the correlation cache
- independent of the normal ack path) - but that means it permanently sat
- at the exact head, blocking ANY later entity's Place receipt from ever
- being acknowledged (DiscardProgress only touches the correlation cache,
- never `_pendingProjection` itself - a deliberate, narrow scope). Fixed by
- splitting into two single-entity tests (`...ReapedByDiscardProgress`,
- `...ReapedByDiscardAll`), each with its own fresh lifetime - eliminates
- the exact-head contention entirely rather than working around it.
-2. `BindLiveInputs_PlayerDistanceIsReadFromANonNullBoundSourceAndFallsBackToTheCallerStructWhenNull`
- hit the SAME class of bug for the SAME reason (entity 1's completed drain
- left an unacknowledged ExecutorCompleted blocking entity 2). Fixed by
- inserting an explicit peek+acknowledge of entity 1's completion between
- the two entities (matching the pattern already established in
- `BindLiveInputs_DrivesClassificationFromTheBoundSourcesInsteadOfTheCallerStruct`
- from the prior round).
-
-## Fix-round final gates (all green)
-1. `dotnet build src/AcDream.Runtime/AcDream.Runtime.csproj -c Release`: 0/0.
-2. `dotnet build tests/AcDream.Runtime.Tests -c Release`: 0/0.
-3. Complete `AcDream.Runtime.Tests`: 921/921 passed (916 + 5 new: 4 F2 + 1 F3;
- see above for exact names).
-4. `dotnet build tests/AcDream.App.Tests -c Release`: 0 errors, 3 pre-existing
- warnings (CS8767, unrelated to this change).
-5. `dotnet build tests/AcDream.Headless.Tests -c Release`: 0/0.
-6. `dotnet test tests/AcDream.App.Tests -c Release --no-build`: 4028/4028
- passed, 3 skips (4027 baseline + 1 new: the F1 App-sink test).
-7. `dotnet test tests/AcDream.Headless.Tests -c Release --no-build`: 77/77
- passed (76 baseline + 1 new: the F1 Headless-sink test).
-8. `dotnet build AcDream.slnx -c Release --no-incremental` (clean rebuild for
- an authoritative count): 0 errors, EXACTLY 21 warnings (matching the
- documented baseline precisely - zero new warnings across the whole fix
- round, including the 3 sanctioned sink-file edits).
-9. Complete solution (`dotnet test AcDream.slnx -c Release -m:1`): every
- project green - App 4028/3 skip, Bake 15, Cli 4, Content 124, Core.Net
- 762, Core 4242/1 skip, Headless 77, Runtime 921, UI.Abstractions 543. 0
- failed anywhere.
-10. `git diff --check`: clean (only pre-existing LF/CRLF metadata notices;
- confirmed by grepping the raw output for anything OTHER than that
- pattern - zero matches).
-11. `git status`: exactly the C0 file set plus 5 NEW files from this fix
- round (the 3 sanctioned sink files + their 2 test files), plus the 8
- pre-existing protected dirty paths untouched. Nothing staged.
-
-## Files touched in THIS fix round (in addition to the C0 file set above)
-- src/AcDream.App/World/LiveEntityRuntime.cs (F1)
-- src/AcDream.App/World/RuntimePlacementPresentationSink.cs (F1)
-- src/AcDream.Headless/Hosting/HeadlessRuntimePlacementProjectionSink.cs (F1)
-- src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs (F2: beforePublish
- param + BindExecutorCompletionAcknowledgement + ack-branch notification)
-- src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs
- (F2: ForgetCompletionReceipt/PendingCompletionReceiptCount/DiscardProgress+
- DiscardAll reap/register-before-publish call site; F3: nullable field/
- ResolveInputs)
-- src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs (F2: ownership
- snapshot field + CaptureOwnership wiring + acknowledgement binding; F3:
- BindLiveInputs signature; F4: comment)
-- src/AcDream.Runtime/GameRuntime.cs (F3: nullable binding call site)
-- src/AcDream.Runtime/Gameplay/RuntimeCharacterState.cs (F5a/F5b: comments)
-- tests/AcDream.App.Tests/World/RuntimePlacementPresentationSinkTests.cs (F1
- test)
-- tests/AcDream.Headless.Tests/HeadlessSessionHostTests.cs (F1 test)
-- tests/AcDream.Runtime.Tests/Entities/RuntimeInitialCreateContinuationExecutorTests.cs
- (F2 x4 + F3 x1 tests)
-
----
-
-# C2 — placement allocation budget (new implementer session)
-
-Worktree: C:\Users\erikn\.codex\worktrees\af5e\acdream (branch codex/port-claude-agents)
-HEAD verified at session start: 6460596b56cd72a2c6d96e757b33da879a805b6d
-
-## Baseline reproduction
-
-- `dotnet build AcDream.slnx -c Release` green, 21 pre-existing warnings in
- unrelated files (not introduced by this session).
-- Ran `WarmedImmediateCommitAllocationIsMeasuredBeforeProductionCutover`
- (tests/AcDream.Runtime.Tests/Physics/RuntimeSetPositionStateTests.cs:253).
- Baseline via temporary forced-failure instrumentation (reverted before any
- real edits; git diff was clean after revert): **2032 B/op**, stable across
- 3 repeat runs. NOT 1880 as the stale research doc
- (docs/research/2026-07-31-canonical-set-position.md lines ~326-333)
- states -- the number drifted upward since C0 landed additional
- bookkeeping (ExecutorCompleted receipt plumbing etc). This is already
- within 16 bytes of tripping the 2048 cap on its own -- confirms urgency.
-
-## Bisection (temporary instrumentation, reverted before real edits)
-
-Added static accumulator fields + GC.GetAllocatedBytesForCurrentThread()
-brackets around: Apply() -> BeginAcceptedPlacementCore (BEGIN) and
-SubmitPreparedPlacementCore (SUBMIT); inside SubmitPreparedPlacementCore:
-prefix-to-SetPosition-call (PREFIX), the `_physics.Engine.SetPosition(...)`
-call itself (SETPOSITION), CommitCanonical (COMMIT), PublishProjection
-(PUBLISH), tail/Outcome (TAIL); AcknowledgeProjection (ACK, wrapped core in
-try/finally).
-
-Result (per-op, averaged over 1000 measured iterations, 64 warmups):
-```
-TOTAL=2032 BEGIN=752 SUBMIT=1160 SETPOSITION=584 COMMIT=0 PUBLISH=208 ACK=120
-PREFIX=144 MID=0 TAIL=0
-```
-Outer brackets are self-consistent to the byte: BEGIN+SUBMIT+ACK =
-752+1160+120 = 2032 = TOTAL exactly. The inner SUBMIT subdivision only sums
-to 936 (144+584+0+208), leaving ~224 B/op I could not pin down further
-within budget (possibly SortedDictionary rebalancing spillover attributed
-oddly across adjacent brackets, possibly a measurement-granularity artifact
-of many small brackets in one method -- the coarse brackets are trustworthy,
-the finest subdivision is not). Decided not to chase further since the two
-big, well-understood root causes below match the project's established
-"pool the envelope, cache the delegate" pattern and account for the
-majority of the budget.
-
-## Root causes identified (confirmed by direct code reading + the
- bisection above)
-
-1. **BEGIN (752 B, `BeginAcceptedPlacementCore`)**: `new Operation { ... }`
- (private sealed class Operation, ~25 properties incl. embedded
- RuntimeSetPositionCommand / PhysicsSetPositionResult structs) allocated
- FRESH on every accepted-placement call; the old Operation for the same
- entity key is simply dropped (`_operations[key] = replacement;`) and
- becomes garbage every single call.
-
-2. **SETPOSITION (584 B, two call sites: SubmitPreparedPlacementCore
- ~line 2402 and RetryDeferred ~line 3536)**:
- `report => _physics.HandleSetPositionCollisions(operation.Record, ...,
- canonicalCommand.GameTime, ...)` is a closure capturing `this` +
- `operation` (+ `canonicalCommand` at the first site) -- a fresh
- compiler-generated display-class allocated on EVERY call. Confirmed
- every field the closure reads is already reachable from `operation`
- alone (`operation.Command.GameTime == canonicalCommand.GameTime` because
- `operation.Command = canonicalCommand;` runs earlier in the same
- method) -- the closure captures nothing that isn't already sitting on
- `operation`. Fixable with ONE delegate cached for the RuntimeSetPositionState
- instance's lifetime, reading the "current operation" off a small
- reusable Stack pushed/popped around the SetPosition call
- (defends against theoretical re-entrant/nested SetPosition calls inside
- PhysicsEngine -- TransitionScratchArena's ActiveDepth/Capacity gate
- implies nesting is possible at that layer, even though
- HandleSetPositionCollisions itself never calls back into
- RuntimeSetPositionState).
-
-## Plan
-1. Fix the closure (lowest risk, no behavior change) -- both call sites.
-2. Pool the Operation object (`_operationPool`, convert `required {get;init;}`
- to settable + add a `Reset(...)`, return retired Operations to the pool
- at every site that currently discards one for good). Audit every
- `_operations.Remove(...)` / displacement site so nothing else still
- holds the recycled instance (per "no workarounds": a pool that
- resurrects stale state is worse than the allocation it replaces).
-3. Re-measure; tighten the gate to the new number with justified headroom.
-
-## Fixes implemented
-
-1. Cached collision-report delegate (fixes the closure at both
- `_physics.Engine.SetPosition` call sites: SubmitPreparedPlacementCore and
- RetryDeferred). Added `CollisionCallbackContext` (readonly record struct)
- plus `Stack _collisionCallbackContexts` plus
- `Func
- _handleSetPositionCollisionsCallback` (built ONCE in the constructor,
- bound to instance method `HandleSetPositionCollisionsCallback` which
- reads `_collisionCallbackContexts.Peek()`). Each call site now does
- Push(context) / try { SetPosition(request, cached delegate) } / finally
- { Pop() }. The stack (not a single field) defends nested/re-entrant
- SetPosition calls at the PhysicsEngine layer.
-
-2. Operation pooling (fixes `new Operation` in
- `BeginAcceptedPlacementCore`). Converted every `Operation` property from
- `required ... { get; init; }` to plain `{ get; set; }`, added
- `ResetAllFieldsToDefault()`, added `_operationPool` (`Stack`,
- capped at 64), `RentOperation()` / `RetireOperationToPool(Operation)`.
- `BeginAcceptedPlacementCore` now rents+field-sets instead of
- `new Operation {...}`. Operations are retired at the 3 places an
- Operation is permanently removed from `_operations`: both branches inside
- `AcknowledgeProjection` Place/non-lost-cell paths, and inside
- `CancelCoreDeferred` (the single removal chokepoint every `CancelCore`
- overload funnels through).
-
- CRITICAL BUG FOUND AND FIXED during verification: the first pass reset
- fields at RETIREMENT time (inside RetireOperationToPool). This broke
- `ReentrantGroundEdgePlacementCannotBeCancelledByDisplacedOperation` -
- `CommitCanonical` remote branch builds a `ContactCommitGuard` that
- captures the live `Operation`, then invokes `remote.HitGround()` /
- `LeaveGround()` - and retail lets that callback synchronously call BACK
- INTO `BeginAcceptedPlacement` for the SAME entity, which displaces and
- retires the very operation the guard is holding, mid-guard.
- `guard.IsCurrent()` (`IsCanonicalPlacementCommitCurrent`) reads that
- operation ORIGINAL PositionAuthorityVersion/SpatialAuthorityVersion AFTER
- the callback returns - resetting those fields at retirement time zeroed
- them out from under the still-executing outer frame, making an in-flight
- valid commit look stale and silently dropping its shadow update (test
- caught it: shadow.Position stayed at the pre-spawn 10,20,7 instead of the
- committed 13,18,~6.95). Fix: move the reset from RetireOperationToPool to
- RentOperation (reset happens the moment an instance is about to be
- handed out for reuse, not the moment it is taken out of `_operations`).
- A retired-but-not-yet-rented instance now keeps its true last-known field
- values until something actually reuses it - any outer frame with a
- captured reference gets a brief, safe, read-only window on stale-but-
- correct data instead of zeroed garbage. Full 921/921 Runtime tests pass
- after this fix (before the fix: 920/921, this exact test failing).
-
- Lesson worth carrying into memory: reentrant displaced-operation pooling
- must reset at RENT time, never at RETIREMENT time, whenever a captured
- reference (guard/closure/local) might still read the object fields after
- retirement but before the next real use.
-
-3. Eliminated LINQ `.First()` boxing on `_pendingProjection`
- (SortedDictionary<ulong, RuntimePlacementProjectionSnapshot>). Added
- `FirstPendingProjection()` using a plain `foreach` (resolves to the
- concrete struct-returning `GetEnumerator()`, not the boxing
- `IEnumerable<T>` interface one that `Enumerable.First<T>`
- forces). Replaced all 3 call sites (`TryPeekProjection`,
- `AcknowledgeProjection` guard, `HasPendingProjectionThrough`).
-
-## Root cause: SortedDictionary Add allocations (about 208 B/op) and
- AcDream.Core PhysicsEngine internals (about 520 B/op) - NOT fixed
-
-Confirmed via targeted diagnostic instrumentation (added, measured, fully
-reverted before finalizing - git diff was clean after each revert):
-- `_pendingProjection.Add(sequence, snapshot)` (PublishProjection) costs
- about 208 B/op - SortedDictionary red-black tree node allocation, inherent
- to the BCL type with no pooling hook. Replacing `_pendingProjection` data
- structure to chase this would touch 10+ methods relying on its ordering
- and FIFO-peek semantics (quiescence tracking, withdrawal acknowledgement,
- etc.) - judged too invasive and risky for the remaining reward given the
- result is already well under the 2048 cap.
-- `_physics.Engine.SetPosition` (AcDream.Core/Physics/PhysicsEngine.cs)
- costs about 520 B/op split as INIT=144 (InitializeSetPositionTransition),
- INNER=344 (SetPositionInternal/scatter solve), FINAL=32 (the
- `queryFootprint.OrderedIds.ToImmutableArray()` call - a genuine single-
- element ImmutableArray materialization from the outdoor-adjustment query
- footprint, not an artifact). RENT=0 (Transition pooling already zero-
- alloc). This lives entirely inside AcDream.Core, shared physics
- infrastructure used far beyond RuntimeSetPositionState - out of this
- slice Runtime-only hard-rule scope, and not touched.
-- Confirmed `HandleSetPositionCollisionReports` /
- `RuntimeCollisionReportingState.HandleReports` (Runtime-side) do NOT
- allocate in the test steady state (no collisions ever occur -
- collidedObjectIds stays empty, no OwnerState ever gets created for this
- entity) - ruled out as a contributor.
-
-## Final verification
-
-- `dotnet build AcDream.slnx -c Release`: 0 errors, 21 pre-existing warnings
- (all in files untouched by this session - confirmed identical to the
- pre-session baseline build).
-- `WarmedImmediateCommitAllocationIsMeasuredBeforeProductionCutover`: passes
- at the new `Assert.InRange(allocated / iterations, 1L, 1_536L)` gate.
- Measured value stable at exactly 944 B/op across 5+ repeat runs (down
- from 2032 B/op baseline, 53.5% reduction). 1,536 keeps about 60% headroom.
-- Complete `AcDream.Runtime.Tests`: 921/921 pass (0 skips).
-- Complete solution (`dotnet test AcDream.slnx -c Release -m:1`): every
- project green - App 4028/3 skip, Bake 15, Cli 4, Content 124, Core.Net
- 762, Core 4242/1 skip, Headless 77, Runtime 921, UI.Abstractions 543.
- 10,716 total, 0 failed, 4 skipped (all pre-existing skips).
-- `git diff --check`: clean (only the same pre-existing LF/CRLF metadata
- notices on the 8 protected dirty files from before this session; grepped
- for anything else - zero matches).
-- `git status`: exactly 2 files changed by this session
- (src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs,
- tests/AcDream.Runtime.Tests/Physics/RuntimeSetPositionStateTests.cs) plus
- the 8 pre-existing protected dirty paths, untouched, exactly as they were
- at session start. Nothing staged, nothing committed, HEAD unchanged at
- 6460596b56cd72a2c6d96e757b33da879a805b6d.
-
-## Files touched this session
-- src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs (net +340/-69 lines
- vs the C0 baseline: Operation class made poolable plus
- ResetAllFieldsToDefault, CollisionCallbackContext plus cached delegate
- plus stack, RentOperation/RetireOperationToPool, FirstPendingProjection,
- BeginAcceptedPlacementCore restructure, both SetPosition call sites, both
- AcknowledgeProjection removal branches, CancelCoreDeferred retirement
- call site)
-- tests/AcDream.Runtime.Tests/Physics/RuntimeSetPositionStateTests.cs
- (26 lines: only the regression gate comment and threshold, from 2_048L to
- 1_536L - zero other test changes; the fix required no test edits beyond
- the gate itself, confirming the pooling/delegate/LINQ changes are fully
- behavior-preserving)
-
-# C2 review-fix round (F1-F4)
-
-Both independent reviews FAILED the original C2 landing with four findings.
-Fixed all four; re-verified B/op unchanged (944, same as before this round)
-and the complete Runtime + solution suites green.
-
-## F1 (MAJOR, retail) - CommitCanonical post-callback reads/writes
-
-Root cause: CommitCanonical read operation.PositionAuthorityVersion/
-SpatialAuthorityVersion/Command.GameTime/PreviousContact/PreviousOnWalkable/
-Key/Command.ShadowWorldOffsetX/Y AFTER invoking the ground-edge HitGround/
-LeaveGround callbacks (via PhysicsObjUpdate.CommitSetPositionContactTransition).
-A synchronous cancel-then-begin (or begin-twice) chain for the SAME entity
-retires-then-rents (LIFO) the SAME Operation instance mid-callback, so those
-post-callback reads could observe a reset-or-repurposed operation.
-
-Fix: hoisted every scalar CommitCanonical still needs into locals BEFORE the
-callback (operationKey, positionAuthorityVersion, spatialAuthorityVersion,
-sourceVelocityAuthorityVersion, commandGameTime, previousContact,
-previousOnWalkable, shadowWorldOffsetX/Y). ContactCommitGuard now captures
-positionAuthorityVersion/spatialAuthorityVersion as plain values instead of
-holding an Operation reference. IsCanonicalPlacementCommitCurrent's Operation
-parameter was replaced with the two explicit scalar parameters.
-
-FALSE START (caught by full-suite regression, not left in): first pass ALSO
-added an operationToken identity comparison inside
-IsCanonicalPlacementCommitCurrent, intending to detect the exact repurposing.
-This broke two EXISTING tests
-(ReentrantGroundEdgePlacementCannotBeCancelledByDisplacedOperation and,
-after fixing that, exposed a status regression in the same test) because
-retail's OWN contract is that an in-flight ground-edge commit for a
-DISPLACED operation must still complete its physical settle (contact
-transition + shadow sync) - adding identity-based rejection there
-incorrectly aborted a commit the test explicitly requires to succeed.
-Reverted the token check from IsCanonicalPlacementCommitCurrent entirely
-(doc comment there now explains why identity must NOT be checked at that
-layer). The REAL self-aliasing hazard was two levels up: `BeginAcceptedPlacementCore`'s
-final `IsCurrent(replacement)` check (after PublishPlacement can reentrantly
-retire+rent the SAME `replacement` instance for an inner Begin) and
-`SubmitPreparedPlacementCore`/`RetryDeferred`'s post-CommitCanonical decision
-of Cancelled-vs-Committed (CommitCanonical can legitimately succeed for a
-displaced operation - the OUTER caller's own invocation still must not
-publish a Place projection nobody will ever acknowledge). Fixed both by
-comparing a LOCAL, pre-reentrancy token/parameter (`token` already a
-parameter in SubmitPreparedPlacementCore; hoisted `operationToken` added to
-RetryDeferred; the `token` local already existed in
-BeginAcceptedPlacementCore) against a FRESH `_operations` lookup - never
-against the potentially-repurposed operation reference's own fields.
-
-Regression test: ReentrantCancelThenBeginRecyclesInstanceButCollisionReportUsesPreCallbackValues.
-Drives Cancel(publishWithdrawal:false) then BeginAcceptedPlacement from
-inside OnHitGround - LIFO pool guarantees the SAME instance is retired then
-immediately rented for the new ("recycled") operation, a strictly more
-adversarial recycle than the pre-existing test. Asserts (via
-CollisionReportObserver subscribed to CollisionReports) that the
-environment-collision report's RecipientWasInContact reflects the ORIGINAL
-pre-callback PreviousContact, and that the report fires at all (proving
-PreviousOnWalkable also carried through correctly - the report only fires
-when !previousOnWalkable && body.OnWalkable, so a corrupted
-PreviousOnWalkable would silently suppress it). Verified DISCRIMINATING: reverted
-the hoist locally, confirmed the test fails (empty report collection), then
-restored the fix.
-
-## F2 (MAJOR arch + MINOR retail) - pool invisible to reset/dispose ledger
-
-_operationPool was never cleared by ClearOwnedState (called from both
-ResetSession and Dispose), so up to 64 pooled instances could retain full
-previous-generation entity graphs across a session boundary. Added
-`_operationPool.Clear()` inside ClearOwnedState (comment explains why this
-is safe unlike RetireOperationToPool: a session clear cannot be reentered
-from inside itself). Added `PooledOperationCount` to
-RuntimeSetPositionOwnershipSnapshot (new trailing field, single
-construction site updated), deliberately EXCLUDED from IsConverged (doc
-comment explains pooled idle capacity is legitimate mid-session).
-
-Regression tests: OperationPoolClearsOnResetSession,
-OperationPoolClearsOnDispose - both drive an Apply+Acknowledge cycle to get
->=1 pooled operation, assert PooledOperationCount >= 1, then call
-ResetSession/Dispose and assert it drops to exactly 0. Verified
-DISCRIMINATING: commented out the `_operationPool.Clear()` line, confirmed
-both tests fail (1 instead of 0), restored the fix.
-
-## F3 (MINOR arch) - no-self-aliasing invariant + InPool guard
-
-Reordered BeginAcceptedPlacementCore: RentOperation() now happens AFTER the
-displaced operation's CancelCoreDeferred retire (previously rent happened
-first). This lets a single-entity churn cycle legitimately reuse the exact
-retired instance (LIFO) instead of drawing a different one - safe because
-every field this method needs from `displaced` was already captured into
-locals before the retire point (unchanged from the original C2 landing).
-Added `Operation.InPool` (bool, defaults false): set true in
-RetireOperationToPool right before pushing, cleared in
-ResetAllFieldsToDefault (called from RentOperation right after popping).
-RetireOperationToPool now throws InvalidOperationException if called on an
-instance that is already InPool (double-retire without an intervening rent
-would silently duplicate the instance in the pool stack).
-
-This reorder, on its own, reintroduced a DIFFERENT self-aliasing hazard at
-BeginAcceptedPlacementCore's own final line (`IsCurrent(replacement) ? token
-: default`) - caught by the EXISTING test
-ReentrantBeginDuringDiscardCannotBeOverwrittenByOuterBegin (a
-PublishPlacement-triggered reentrant Begin during a Discard notification can
-retire+rent the SAME `replacement` instance for an inner operation, making
-`IsCurrent(replacement)` a self-referential tautology that wrongly reports
-"still current"). Fixed by comparing `_operations[key].Token` against the
-LOCAL `token` (captured at function entry, immune to reentrant corruption)
-instead of calling `IsCurrent(replacement)`.
-
-No new dedicated F3 test beyond the reflection test (F4) and the
-pre-existing ReentrantBeginDuringDiscardCannotBeOverwrittenByOuterBegin,
-which now exercises the corrected self-aliasing check directly.
-
-## F4 (MINOR arch) - two remaining new Operation() sites + completeness net
-
-Converted the two surviving `new Operation { ... }` object-initializer
-sites (inside ParkCollisionResidents and CreateWithdrawalOperation) to
-RentOperation() + field assignment, so all construction flows one path.
-Both call sites confirmed safe to route through the pool (no live displaced
-operation exists at either construction point - ParkCollisionResidents
-explicitly skips keys already in `_operations`; CreateWithdrawalOperation's
-sole caller, Cancel, always runs CancelCoreDeferred against the same key
-immediately before).
-
-Added OperationResetAllFieldsToDefaultTouchesEveryDeclaredField: a
-reflection-based test (Operation is `private`, so ONLY reflection can reach
-it from a test project even with InternalsVisibleTo) comparing
-`typeof(Operation).GetFields(Instance|NonPublic|Public)` against a
-hardcoded, maintained list of the 33 expected backing-field names (derived
-from a plain property-name list transformed to `k__BackingField`
-form). Verified DISCRIMINATING: added a temporary dummy property to
-Operation, confirmed the test fails with a clear collection-diff showing
-the new backing field, removed it.
-
-## Final verification
-
-- Release build: 0 errors, 21 pre-existing warnings (unchanged from
- baseline, zero new).
-- WarmedImmediateCommitAllocationIsMeasuredBeforeProductionCutover: still
- passes at the 1,536L gate. Re-measured exact value 3x: 944 B/op, IDENTICAL
- to before this fix round - confirms every F1-F4 hoist/guard is
- stack-only/negligible (one extra bool field, one extra int in a value-type
- snapshot struct - no heap allocation added).
-- Complete AcDream.Runtime.Tests: 925/925 (921 + 4 new: 1 F1 regression + 2
- F2 reset/dispose + 1 F4 reflection).
-- Complete solution (dotnet test AcDream.slnx -c Release -m:1): every
- project green - App 4028/3 skip, Bake 15, Cli 4, Content 124, Core.Net
- 762, Core 4242/1 skip, Headless 77, Runtime 925, UI.Abstractions 543.
- 10,720 total, 0 failed.
-- git diff --check: clean (same pre-existing LF/CRLF metadata notices on the
- now-9 touched-by-someone files - the 8 pre-existing protected dirty paths
- plus RuntimeSetPositionState.cs itself; RuntimeSetPositionStateTests.cs
- shows no notice at all).
-- git status: still exactly the 2 files this session owns
- (RuntimeSetPositionState.cs, RuntimeSetPositionStateTests.cs) plus the 8
- pre-existing protected dirty paths untouched. Nothing staged, nothing
- committed, HEAD unchanged at 6460596b56cd72a2c6d96e757b33da879a805b6d.
-
-## Files touched this fix round
-- src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs (net diff vs C2
- landing: 800 lines changed - Operation.InPool + doc, ResetAllFieldsToDefault
- InPool line, CommitCanonical hoisting rewrite, ContactCommitGuard/
- IsCanonicalPlacementCommitCurrent signature change, IsVelocityCurrent
- overload, BeginAcceptedPlacementCore reorder + final-check fix,
- SubmitPreparedPlacementCore + RetryDeferred post-commit currency checks,
- RuntimeSetPositionOwnershipSnapshot.PooledOperationCount +
- ClearOwnedState pool clear, ParkCollisionResidents + CreateWithdrawalOperation
- routed through RentOperation)
-- tests/AcDream.Runtime.Tests/Physics/RuntimeSetPositionStateTests.cs (net
- diff: 255 lines - 4 new tests + System.Reflection using)
-
-# C2 round 3 (rent-after-retire regression) + addendum (A1/A2)
-
-The F3 reorder (rent AFTER retire, so a single-entity churn cycle reuses
-the exact retired instance) makes `IsCurrent(Operation)` (ReferenceEquals +
-six field comparisons read off the SAME instance) a tautology once a
-reentrant cancel-then-begin recycles that instance for a different logical
-operation at the same key. Every one of the ~20 `IsCurrent(operation)` call
-sites needed auditing: either convert to a captured-token-vs-fresh-lookup
-check, or prove (with a per-site comment) that no reentrancy point
-intervenes between the last fresh lookup and the check.
-
-## The fix
-
-Extracted `IsOperationStateConsistent(Operation)` from `IsCurrent`'s six
-non-identity field comparisons. `IsCurrent(Operation)` is now
-`_operations.TryGetValue(operation.Key, out current) &&
-ReferenceEquals(current, operation) && IsOperationStateConsistent(operation)`
-- same behavior as before, just factored so the new helper below can share
-the state check. Added:
-
-```
-private bool IsCurrentByToken(
- RuntimeEntityKey key,
- in RuntimeEntityPlacementToken capturedToken,
- [NotNullWhen(true)] out Operation? operation)
-```
-
-Does a FRESH `_operations.TryGetValue` + `current.Token == capturedToken` +
-`IsOperationStateConsistent(current)`, and hands back the fresh (possibly
-different-instance) `Operation` on success. `[NotNullWhen(true)]` lets
-callers reuse a single `out` binding across an `if (!IsCurrentByToken(...))
-return ...;` guard without a separate null-forgiving cast.
-
-`CancelCore(Operation expected, ...)` (ReferenceEquals shape - the OTHER
-regression source the reviewer named, "shares the shape with a worse
-outcome: cancelling the newer operation") became
-`CancelCore(RuntimeEntityKey key, in RuntimeEntityPlacementToken
-expectedToken, bool preserveLostFamily = false)`: fresh
-`_operations.TryGetValue(key, ...)` + `current.Token != expectedToken` ->
-no-op. All 5 callers converted (ForgetExactPlacement,
-RetireDormantLocalActivation, RetireDormantLocalActivationToken,
-SubmitPreparedPlacementCore's post-CommitCanonical-failure branch,
-RetryDeferred's equivalent) - each now passes its own captured
-`(key, token)` instead of an `Operation` reference.
-
-## The exact bug the reviewer traced (Cancel path) - FIXED
-
-`Cancel(record, bool)` creates a withdrawal operation, installs it at the
-key, then calls `PublishPlacement(cancelledOld)` (reentrancy point: an
-`IRuntimePlacementObserver` subscriber can call Begin/Cancel for the same
-entity from inside this synchronous dispatch), then previously checked
-`IsCurrent(operation)` against the now-possibly-recycled reference. Fixed:
-capture `operation.Token` into a local BEFORE `PublishPlacement`, then
-`IsCurrentByToken(key, capturedToken, out operation)` afterward.
-
-## Subtler hazard found during the audit, not named by the reviewer:
-## RebindQuiescedDeferredOperations
-
-`foreach (Operation operation in _operations.Values.ToArray())` snapshots
-live REFERENCES. An earlier iteration's `RetryDeferred` call (itself
-reentrancy-exposed) can recycle a LATER iteration's not-yet-reached
-Operation instance before the loop reaches it - a stale-reference bug
-independent of the Cancel/CancelCore ones. Fixed by snapshotting
-`(Key, Token)` VALUE pairs first, then resolving fresh via
-`IsCurrentByToken` at the top of each iteration instead of trusting the
-snapshotted reference.
-
-## Addendum A1 (retail MINOR) - CommitCanonical's 4 post-callback writes
-
-`CommitCanonical`'s tail (`operation.ExactCellId/Result/WakeableLostCell/
-EnteringWorldFromCelllessResidence = ...; CancelLostFamilyDeadlines(operation)`)
-still targeted the poolable instance directly. With rent-after-retire, a
-nested cancel-then-begin recycles the instance before this block runs, and
-a bare Begin never advances PlacementCommitVersion - invisible to the
-settle-layer record-state checks - so the writes could land on the WRONG
-(freshly-begun) operation. Fixed: hoisted `operationToken = operation.Token`
-(already had `operationKey` from F1) at the SAME pre-callback point as
-every other F1 hoist, then gated the whole write block behind a fresh
-`_operations.TryGetValue(operationKey, out currentOperation) &&
-currentOperation.Token == operationToken` check - skip the writes (not the
-whole commit) if the token no longer matches, matching retail's
-already-unconditional physical settle (only Runtime's OWN bookkeeping is
-conditional). The final `IsCanonicalPlacementCommitCurrent(...,
-requireSpatialRoot: true)` return is UNCHANGED - still identity-agnostic,
-per the layer-separation rule below.
-
-## Addendum A2 (doc hygiene) - stale comment on RetireOperationToPool
-
-The old comment claimed `IsCanonicalPlacementCommitCurrent` "additionally
-compares the operation's Token by value" - that guard was a round-3 FALSE
-START (see the F1 section above) that was reverted before F1 even landed;
-the comment was never updated and contradicted the real mechanism.
-Rewritten to state the true safety contract: hoisted locals (F1) +
-call-site captured-token-vs-fresh-lookup (this round), with the settle
-path deliberately identity-agnostic per retail's unconditional
-SetPositionInternal completion.
-
-## Layer separation (unchanged, reaffirmed by the retail reviewer)
-
-`IsCanonicalPlacementCommitCurrent` takes NO identity/Token parameter, by
-design - retail's SetPositionInternal settle completes unconditionally for
-a displaced operation (see
-ReentrantGroundEdgePlacementCannotBeCancelledByDisplacedOperation, from the
-F1 false-start above). Identity gates belong ONLY at Runtime-owned
-publication/cancellation/ownership decisions (SubmitPreparedPlacementCore's
-Cancelled-vs-Committed decision, Cancel's withdrawal publish, CancelCore's
-match check, CommitCanonical's A1 bookkeeping-write gate) - never at the
-settle/currency check itself. Did not touch this layer in round 3 beyond
-re-confirming it via the reverted false-start being re-tried and failing
-the same way it did in round 2 (not re-attempted this round - the round-2
-false-start's lesson was already incorporated).
-
-## Per-site audit table (all sites this class calls
-`IsCurrent(Operation)`/`ReferenceEquals` on an Operation across a
-reentrancy-exposed span)
-
-CONVERTED to captured-token-vs-fresh-lookup (IsCurrentByToken or
-CancelCore(key, token)):
-1. `Cancel(record, bool)` post-`PublishPlacement(cancelledOld)` check - the
- reviewer's named bug.
-2. `SubmitPreparedPlacementCore` post-`_physics.Engine.SetPosition(...)`
- check (first of two, immediately after the collision-callback-bearing
- call).
-3. `SubmitPreparedPlacementCore` post-`SetPosition` second check (after the
- `TryGetBlockingQuiescence`/deferred branch, before `CommitCanonical`).
-4. `SubmitPreparedPlacementCore`'s `CancelCore(token.Entity, token)` call on
- `CommitCanonical` failure - the reviewer's named CancelCore-shape bug.
-5. `RetryDeferred`'s two analogous post-`SetPosition` checks (same shape as
- #2/#3, via hoisted `operationToken`).
-6. `RetryDeferred`'s `CancelCore(operationToken.Entity, operationToken)`
- call on `CommitCanonical` failure (same shape as #4).
-7. `RebindQuiescedDeferredOperations`'s per-entry resolve - converted from a
- snapshotted-REFERENCE loop to a snapshotted-(Key,Token) loop + fresh
- `IsCurrentByToken` (the subtler hazard found during the audit, not named
- by the reviewer).
-8. `ForgetExactPlacement`'s `CancelCore(token.Entity, token)` call.
-9. `RetireDormantLocalActivation`'s `CancelCore` call.
-10. `RetireDormantLocalActivationToken`'s `CancelCore` call.
-11. `CommitCanonical`'s A1 bookkeeping-write gate (fresh lookup +
- `currentOperation.Token == operationToken` before the
- ExactCellId/Result/WakeableLostCell/EnteringWorldFromCelllessResidence/
- CancelLostFamilyDeadlines writes) - addendum A1.
-
-PROVEN SAFE WITH COMMENT (fresh lookup + Token/state check on the same line
-or immediately prior, nothing reentrant intervenes before the check runs):
-12. `IsPlacementCurrent` - fresh lookup + Token check inline, no
- reentrancy between them.
-13. `PrepareDormantLocalActivationOwnership` - fresh lookup + Token check
- earlier in the same method, dormant-family code with no production
- callers.
-14. `PrepareMover` - same shape as #13.
-15. `IsExactPreparedPlacementCurrent` - same shape.
-16. `TryEvaluateDormantLocalActivation` - ReferenceEquals variant, safe
- because `handleCollisions: null` on this call means nothing reentrant
- can run before the check.
-17. `IsDormantLocalActivationPrephaseCurrent` - fresh lookup + Token check
- earlier in the same method.
-18. `IsDormantLocalActivationResponseCurrent` - same shape.
-19. `CommitDormantLocalActivationPostCollision` - entry AND final-return
- checks, one comment block covering both; dormant family, no production
- callers.
-20. `IsDormantLocalActivationCommitCurrent` - same shape as #17/#18.
-21. `IsExactDormantLocalActivationCurrent` - same shape.
-22. `SubmitPreparedPlacementCore`'s own entry `ownsToken` check - the
- function's own validation, nothing reentrant between the fresh lookup
- and this check.
-23. `AcknowledgeProjection`'s entry check - fresh lookup +
- ProjectionSequence check, no reentrancy in between.
-24. `CommitCanonical`'s entry check (`!result.IsCommitted ||
- !IsCurrent(operation)`) - every caller (SubmitPreparedPlacementCore,
- RetryDeferred) passes an operation freshly re-verified immediately
- before calling CommitCanonical.
-25. `CommitCollisionGeneration`'s per-entity loop - added during THIS pass
- (not flagged by the reviewer, found while double-checking every
- `_operations.TryGetValue` site in the file for completeness). Iterates
- an array of KEYS (never Operation references), fresh lookup + full
- WakeableLostCell/ExactCellId/CollisionPrefix/CollisionGeneration shape
- check every iteration - immune to the snapshotted-reference class of
- bug even though it calls the reentrancy-exposed `RetryDeferred`
- per-entity.
-
-OUT OF SCOPE (different class entirely, not an Operation-identity site):
-26. `ParkCollisionResidentsForQuiescence`'s `ReferenceEquals(current,
- state)` - checks `CollisionPrefixQuiescence` identity (a class that is
- never pooled), unrelated to the Operation pool this round's regression
- lives in.
-
-## Round 3 tests
-
-`ReentrantBeginDuringCancelPublishCannotBeOverwrittenByOuterWithdraw` -
-the reviewer's named Cancel-path scenario: Apply (pending Place
-projection) -> observer reentrantly Begins on the Discard notification
-during Cancel's PublishPlacement -> asserts only the Discard delta
-published (a stale-reference bug would add a second Withdraw delta
-stamped with the inner operation's state) and the inner token is still
-`IsPlacementCurrent`. VERIFIED DISCRIMINATING: reverted Cancel's
-`IsCurrentByToken` check back to `IsCurrent(operation)`, reran - failed
-exactly as predicted (`Assert.Single` saw 2 deltas, the second a Withdraw
-carrying the inner operation's PlacementCommitVersion=2/Sequence=2) -
-restored the fix.
-
-`ReentrantCancelThenBeginDuringCommitFailureLeavesInnerOperationUncancelled`
-- the CancelCore-shape scenario: ground-edge HitGround callback does
-cancel-then-begin (recycling the instance for `inner`) AND calls
-`lifetime.Entities.AdvancePlacementCommit(record)` a second time BEFORE
-creating `inner` (so `inner` snapshots the already-advanced value and
-stays internally self-consistent, while the OUTER commit's
-`canonicalCommitVersion`, captured before the callback, now mismatches) -
-this makes `CommitCanonical`'s post-callback `IsCanonicalPlacementCommitCurrent`
-check fail for the outer commit without needing a full nested SetPosition
-round-trip, driving `SubmitPreparedPlacementCore` into
-`PublishCancellation(CancelCore(token.Entity, token))`. Asserts
-`outcome.Status == Cancelled` and `inner` is still `IsPlacementCurrent`
-afterward. VERIFIED DISCRIMINATING: reverted `CancelCore(key, token)`'s
-Token check to accept any match by key alone (simulating the old
-ReferenceEquals-without-identity shape), reran - failed exactly as
-predicted (`IsPlacementCurrent(inner)` false, the sabotaged check retired
-`inner`'s instance out from under it) - restored the fix.
-
-## Final verification (round 3 + addendum)
-
-- Release build (`dotnet build AcDream.slnx -c Release`): 0 errors, 21
- pre-existing warnings, all in test files this session did not touch (App/
- Core test projects) - unchanged from the F1-F4 round.
-- `WarmedImmediateCommitAllocationIsMeasuredBeforeProductionCutover`:
- passes at the existing 1,536L gate - token captures added this round are
- all stack-only locals/struct fields, no new heap allocation.
-- Complete AcDream.Runtime.Tests: 927/927 (925 F1-F4 baseline + 2 new: the
- Cancel-path and CancelCore-shape regressions).
-- Complete solution build (`dotnet build AcDream.slnx -c Release`): 0
- errors.
-- `git diff --check`: exit 0, clean (same pre-existing LF/CRLF metadata
- notices on the same pre-existing dirty files, RuntimeSetPositionState.cs
- included - no whitespace-error content).
-- `git status`/`git rev-parse HEAD`: still exactly the 2 files this session
- owns (RuntimeSetPositionState.cs, RuntimeSetPositionStateTests.cs) plus
- the same pre-existing dirty paths (AGENTS.md,
- PlayerModeController.cs, PlayerInteractionMovementSink.cs,
- LiveAnimationPresentationContext.cs, RuntimeRemotePhysicsUpdater.cs,
- CellTransitTests.cs, Issue133DungeonTeleportPrefixTests.cs,
- A8CellAudit.csproj) untouched by this session. Nothing staged, nothing
- committed, HEAD unchanged at 6460596b56cd72a2c6d96e757b33da879a805b6d.
-
-## Files touched this round
-
-- src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs (IsCurrent split
- into IsCurrent + IsOperationStateConsistent, new IsCurrentByToken helper,
- CancelCore(Operation) -> CancelCore(key, token) signature change + 5
- caller conversions, Cancel/SubmitPreparedPlacementCore/RetryDeferred/
- RebindQuiescedDeferredOperations converted call sites,
- CommitCanonical's A1 bookkeeping-write token gate, ~14 proven-safe-site
- comments, RetireOperationToPool doc-comment rewrite (A2),
- CommitCollisionGeneration audit comment)
-- tests/AcDream.Runtime.Tests/Physics/RuntimeSetPositionStateTests.cs (2
- new tests: ReentrantBeginDuringCancelPublishCannotBeOverwrittenByOuterWithdraw,
- ReentrantCancelThenBeginDuringCommitFailureLeavesInnerOperationUncancelled)
-
----
-
-# C3 implementer session (2026-08-02) — spawn-frequency host cutover
-
-Worktree/branch/HEAD verified against the pinned contract before starting:
-a32aba35d1d945b9d3194a84e70facf74a7d7608. Read in full: c3-contract.md,
-docs/plans/2026-08-02-placement-cutover.md, docs/research/
-2026-08-02-cutover-route-inventory.md (routes 1+8 + all cross-cutting
-sections), docs/research/2026-08-02-canonical-body-writer-map.md, docs/
-research/2026-08-02-runtime-continuation-executor-handoff.md.
-
-## C3-1 — DONE, tested, gated. (Runtime-only prerequisite a)
-
-Design: rather than widen any internal enum's accessibility (the contract's
-explicit preference), added a small PUBLIC projection surface next to the
-existing public placement-receipt types (`RuntimePlacementProjectionKind`/
-`Token`/`Snapshot` are already public; the executor's own receipt/trace types
-are `internal`):
-
-- `RuntimeInitialCreateTeleportHookPhase`, `RuntimeInitialCreatePositionDisposition`,
- `RuntimeInitialCreatePositionConstrainPhase` — public 1:1 projections of the
- internal `RuntimeTeleportHookPhase`/`RuntimeAuthoritativePositionDisposition`/
- `RuntimePositionConstrainPhase` enums (`RuntimeAuthoritativePositionRouteClassifier.cs:38,49,63`).
-- `RuntimeInitialCreatePositionRouteFact` — one Position continuation's route
- facts (Sequence/Disposition/HookPhase/ConstrainPhase/StopInterpolating/
- ZeroVelocity/PreserveHeading/SendPositionImmediately), projected from
- `RuntimeInitialCreateExecutedAction` trace entries where
- `Kind == Position` only (every other action kind stays internal-only —
- widening the full action-kind vocabulary was explicitly what the contract
- said to avoid).
-- `RuntimeInitialCreatePlacementCompletion` — the top-level public shape
- (Entity, FullCellId, TeleportHookPhase, PositionRouteFacts,
- ReplayedDeferredChildCount), built ONCE by a new private
- `RuntimeInitialCreateContinuationExecutor.ProjectCompletion` at the exact
- completion site (`ExecuteCore`'s `Released` case, where `completedReceipt`
- is built) and cached in `_completionReceipts`'s tuple (extended from
- `(Sequence, Receipt)` to `(Sequence, Receipt, Public)`) — so a host polling/
- retrying `TryGetInitialCreateCompletion` never re-allocates
- (the "allocation-conscious" requirement).
-- New internal `RuntimeInitialCreateContinuationExecutor.TryGetCompletion`
- reads the cached projection by exact token identity (same Entity/Sequence
- correlation rule as the existing `TryGetCompletionReceipt`).
-- New PUBLIC `RuntimePlacementProjectionChannel.TryGetInitialCreateCompletion(
- RuntimeGenerationToken, in RuntimePlacementProjectionToken, out
- RuntimeInitialCreatePlacementCompletion)` — generation-gated like every
- other channel method, thin passthrough to the executor. The channel now
- takes the executor as a 3rd internal ctor parameter; all 3
- `RuntimeEntityObjectLifetime` constructors updated to pass
- `InitialCreateExecution`.
-
-Files touched:
-- src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs
- (+219/-0 net insertions: new public types, ProjectCompletion + 3 enum
- mappers, TryGetCompletion, _completionReceipts tuple widened, completion
- site wired).
-- src/AcDream.Runtime/Physics/RuntimePlacementProjectionChannel.cs (+32/-1:
- new ctor param + field, TryGetInitialCreateCompletion).
-- src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs (+9/-6: all 3
- ctors pass InitialCreateExecution into the channel).
-- tests/AcDream.Runtime.Tests/Entities/RuntimeInitialCreateContinuationExecutorTests.cs
- (+178: 4 new tests — ProjectsHookPhaseCellAndReplayCount [local-player
- login correctly reports AfterEnterWorld hook phase, empty route facts],
- ProjectsPositionRouteFactsForConstrainInterpolationBinding [teleport-
- advanced continuation's route facts round-trip through the public
- projection], RejectsWrongGeneration, ReturnsFalseAfterAcknowledgeReapsTheCorrelationEntry).
-
-Gates run for C3-1: focused Residence|Classifier|Executor|SetPositionState|
-PlacementProjectionChannel filter 237/237; complete AcDream.Runtime.Tests
-931/931 (927 baseline + 4 new); Release build of the full solution 0
-errors/21 pre-existing warnings; complete solution
-`dotnet test AcDream.slnx -c Release -m:1` with
-`ACDREAM_PAK_PATH=/c/Users/erikn/Documents/Asheron's Call/acdream.pak` —
-every project green (App 4028/3 skips, Bake 15/0, Cli 4/0, Content 124/0,
-Core.Net 762/0, Core 4242/1 skip, Headless 77/0, Runtime 931/0,
-UI.Abstractions 543/0 — zero failures anywhere). `git diff --check` clean
-(only the same pre-existing LF/CRLF notices on pre-existing dirty files).
-Nothing staged, nothing committed. `git status` confirms only the 4 files
-above are newly dirty beyond the 8 pre-existing protected paths (which I
-did not touch — I read PlayerModeController.cs for C3-2 investigation but
-made ZERO edits to it).
-
-## C3-2/C3-3/C3-4 — NOT implemented this session. Stopped with evidence
-## after investigation surfaced a materially larger scope than the four
-## input docs describe. Full findings below for whoever picks this up.
-
-I read (in full or targeted-full) beyond the four input docs:
-`PlayerModeController.cs` (all 623 lines), `RuntimeLocalPlayerPhysicsPublicationState.cs`
-(all 1033 lines), `RuntimeLocalPlayerMovementState.cs` (all 374 lines),
-`EntityPhysicsHostComposition.cs` (all 82 lines), `RuntimeInitialCreateResidenceState.Begin`/
-`Own` (full), `RuntimeSetPositionState.TryPrepareAndSubmitAuthoredPlacement`/
-`SubmitPreparedPlacementCore` (targeted), `RuntimeAuthoritativePositionRouteClassifier.ClassifyCreate`
-(full), `DatLiveEntityProjectionMaterializer.RegisterAnimation` (full), plus
-targeted greps across `RuntimeInitialCreateContinuationExecutorTests.cs` and
-`RuntimeLocalPlayerPhysicsPublicationStateTests.cs` for the test harness's
-own "intended recipe" (tests are the only place the FULL local-player
-publication recipe is exercised end-to-end today).
-
-### Finding A — confirmed: no accessibility blocker, no accidental
-pre-built orchestrator (cross-check of the route-inventory's own claim)
-
-Re-verified independently: `RuntimeLocalPlayerPhysicsPublicationState`'s
-Prepare/Commit/EvaluateActivation/CommitActivation/FinalizeActivation chain
-has ZERO production callers (only
-`tests/AcDream.Runtime.Tests/Gameplay/RuntimeLocalPlayerPhysicsPublicationStateTests.cs`).
-Unlike C1 ("satisfied by existing mechanism" — a pleasant surprise the plan
-doc recorded), there is no similar hidden orchestrator tying
-`RegisterEntityWithInitialResidence`'s residence lease to the publication
-lifecycle automatically. The wiring described by C3-2/C3-3's bullets
-genuinely does not exist anywhere, dormant or otherwise.
-
-### Finding B — the local-player initial-placement circular dependency
-(confirmed by direct read, not previously named in any of the 4 docs)
-
-- `RuntimeEntityObjectLifetime.RegisterEntityWithInitialResidence` →
- `InitializeAcceptedCreateResidence` → `InitialCreateResidences.Begin`
- (`RuntimeInitialCreateResidenceState.cs:556-607`) → `Own`
- (`:731-...`) — `Own` synchronously calls
- `_setPosition.TryBeginExclusiveAuthoredPlacement(record, ..., route.OperationKind)`
- (`:746-751`) whenever `route.PerformsSetPosition` is true. This runs
- **at wire CreateObject time**, inside `LiveEntityRuntime.RegisterLiveEntity`
- today's call site (once flipped) — i.e. it opens a `RuntimeEntityPlacementToken`
- operation in stage `AwaitingPreparation` immediately, for EVERY entity
- including the local player, and the lease (`lease.Placement`) sits open
- until something completes it.
-- `RuntimeAuthoritativePositionRouteClassifier.ClassifyCreate`
- (`RuntimeAuthoritativePositionRouteClassifier.cs:205-273`, full read)
- gives EVERY TopLevel Create with a valid wire position — local player,
- remote, projectile alike — `Disposition.SetPosition` uniformly
- (`route.PerformsSetPosition` is true for all of them; only Parented/
- PickedUp Creates get `AwaitFreshPosition`, which does NOT open a
- SetPosition operation). So this circular dependency is not local-player-
- specific in its trigger — it applies to the SAME `Own()` call for every
- top-level Create.
-- For the LOCAL PLAYER specifically, that open placement operation can only
- be completed by driving `RuntimeLocalPlayerPhysicsPublicationState`'s full
- chain against the EXACT SAME `lease.Placement` token (confirmed by reading
- `RuntimeLocalPlayerPhysicsPublicationStateTests.cs:2263-2300`'s `Fixture.RepreparePlacement`/
- `Prepare` helpers: `BeginAuthoredPlacement` → `PrepareMover` → `Owner.Prepare(record,
- placement, command, options, activationPreparation, out token)` →
- `Commit(token, out activationToken)` → `EvaluateActivation` →
- `CommitActivation` — `Commit`'s own body
- (`RuntimeLocalPlayerPhysicsPublicationState.cs:391-397`) calls
- `_physics.SetPosition.PrepareDormantLocalActivationOwnership(candidate.Record,
- candidate.Body, candidate.PreparedActivation.Token.Placement)`, i.e. it
- attaches the freshly-built candidate body to THAT EXACT placement token).
- The generic `SubmitPreparedPlacement`/`TryPrepareAndSubmitAuthoredPlacement`
- path (the one C3-2's bullet 3 names for `AwaitingContinuationPlacement`'s
- pending-token flavor) **cannot** be used for the local player's OWN initial
- placement: `SubmitPreparedPlacementCore` requires
- `operation.Record.PhysicsBody is not { } body` to already be non-null
- (`RuntimeSetPositionState.cs:2610`) — there is no local-player body yet at
- Create time, so this path structurally rejects it. Only the publication
- lifecycle can attach the FIRST body to an already-open placement token.
-- TODAY, `PlayerModeController.BuildControllerAndCamera` runs LATER than
- Create-time (gated by `PlayerModeAutoEntry.cs:214-230`'s
- `IsPlayerEntityPresent && IsWorldReady` per-frame check) and never touches
- `lease.Placement`/the publication state at all — it does its own unrelated
- `_physics.Resolve`/`ResolvePlacement` (PlayerModeController.cs:409-430).
- So after the flip, the residence lease's placement (and therefore the
- ENTIRE executor drain — deferred-child replay, the AfterEnterWorld
- teleport-hook request, every continuation) stays stuck in `PendingPlacement`
- from Create time until whatever replaces `BuildControllerAndCamera` drives
- the publication chain AND separately calls `InitialCreateExecution.Execute(...)`
- a SECOND time afterward to actually drain the FIFO. This second `Execute`
- call is not optional — `Execute`'s own doc comment and the executor
- handoff both say a caller re-invokes `Execute` after the placement token
- in the trace is acknowledged; nothing does this automatically.
-- Practically workable simplification found: `RuntimeLocalPlayerPhysicsPublicationState.Prepare`
- calls `DiscardCurrent()` on entry (`:305`) before installing a new
- candidate, so a full "retry the whole Prepare→Commit chain from scratch
- next frame" is safe UNTIL `Commit()` succeeds (at which point `_activation`
- is populated and a subsequent `Prepare` call correctly rejects via
- `CanPrepare`'s `_activation is null` guard — the retry loop must switch to
- re-driving `EvaluateActivation`/`CommitActivation` on the SAME
- `activationToken`, not re-`Prepare`ing). This means `PlayerModeAutoEntry`'s
- EXISTING per-frame "keep calling TryEnter until it returns true" loop can
- likely be reused rather than inventing a wholly new scheduler — but
- `PlayerModeController` needs a small piece of cross-frame state (at least
- the pending `activationToken` when Commit succeeded but Evaluate/Commit-
- Activation hasn't finished) that does not exist today. This is a genuinely
- new resumable mini-state-machine, not a one-line change.
-- The animation-sequencer hook attachment
- (`AttachCycleVelocityAccessor`/`ObjectScale`/`AttachAnimationRootMotionSource`/
- `Motion.RemoveLinkAnimations`/`InitializeMotionTables`/`CheckForCompletedMotions`/
- `DefaultSink`, `PlayerModeController.cs:378-396`) currently happens on the
- controller BEFORE placement resolve, via the existing
- `RuntimeLocalPlayerMovementState.BeginMotionPreparation` lease
- (`:102-117`). `RuntimeLocalPlayerPhysicsPublicationState.Prepare` builds
- its OWN controller internally and does not return a reference to it before
- `Commit()` — but since `BeginMotionPreparation` only needs a controller
- REFERENCE (no ordering requirement relative to the publication state's own
- internal stages), it appears safe to call `BeginMotionPreparation` on
- `_movement.Controller` immediately AFTER `Commit()` succeeds (controller
- is `RuntimeOwnedDormant` at that point, not yet `RuntimePublished`) and
- BEFORE `EvaluateActivation`/`CommitActivation` — this avoids needing any
- NEW Runtime API to expose the candidate controller pre-Commit. Flagged
- as "appears safe" (not "verified safe") — needs a dedicated conformance
- test before trusting it.
-
-### Finding C — a SECOND, previously-unstated capability gap: no production
-path constructs a NON-local entity's FIRST PhysicsBody for a residence-driven
-Create (this blocks Route 1/8 for remote/projectile Creates just as much as
-the local-player gap blocks it for the local player)
-
-- `SubmitPreparedPlacementCore` (`RuntimeSetPositionState.cs:2584-2629`)
- requires `operation.Record.PhysicsBody is not { } body` (`:2610`) for
- EVERY entity, not just the local player — confirmed by reading the full
- method; there is no branch that constructs a body when none exists.
-- `TryPrepareAndSubmitAuthoredPlacement` (`RuntimeSetPositionState.cs:1562-1625`,
- the "C0-3" mover-chain call the contract names for continuation
- placements) is a thin wrapper around `PrepareMover` + `SubmitPreparedPlacement`
- — it inherits the SAME pre-existing-body requirement. Its own doc comment
- says "a residence lease's own Placement/Route.OperationKind/
- Route.SetPositionFlags are exactly the token/kind/flags this takes" —
- true for the TOKEN shape, but silent on the body precondition.
- `ClassifyCreate` gives Remote/Projectile TopLevel Creates the exact same
- `Disposition.SetPosition` as the local player (see Finding B) — so a
- fresh remote humanoid/monster Create's residence placement would ALSO
- reject via this same guard today.
-- The ONLY production body-construction call I found for a NEWLY-CREATED
- (non-local) entity is `DatLiveEntityProjectionMaterializer.RegisterAnimation`'s
- `_runtime.GetOrCreatePhysicsBody(spawn.Guid, incarnation => new PhysicsBody{...})`
- (`DatLiveEntityProjectionMaterializer.cs:1003-1016`) — but this is gated
- behind `physicsStatic` (`FinalPhysicsState & PhysicsStateFlags.Static`,
- line 961) AND a resolved animation sequencer (`animation.Sequencer is {}`)
- — i.e. it is a narrow special case for STATIC decorative animated objects
- (banners, torches), never reached for an ordinary moving humanoid/monster
- spawn. `RuntimePhysicsState.GetOrCreatePhysicsBody` (public,
- `RuntimePhysicsState.cs:1623`) is presumably the right general-purpose
- tool to reuse, but nobody calls it for the general case, and none of the 4
- input docs name this as a Route-1 capability gap (the closest hits —
- route-inventory's "Gap 2" and body-writer-map's summary — are both scoped
- explicitly to the LOCAL PLAYER controller/body atomicity problem, not to
- ordinary remote entities).
-- Building this out requires retail-fidelity decisions (what a fresh
- non-static remote/projectile body's default orientation/scale/friction/
- elasticity/velocity should be at Create time, mirroring whatever retail's
- `enter_world`/object-creation path does) that none of the 4 docs specify
- and that I should not invent without the grep-named-first workflow this
- project mandates for AC-specific behavior.
-
-### Why I stopped here rather than pushing an implementation
-
-Both findings B and C are genuine, evidence-backed (file:line cited) gaps
-in the CONTRACT's own assumed shape, not just "this is a lot of code."
-Landing C3-2+C3-3 correctly needs, at minimum: (1) a new resumable
-mini-state-machine in PlayerModeController/PlayerModeAutoEntry driving
-Prepare→Commit→EvaluateActivation→CommitActivation→(second) Execute across
-frames; (2) the equivalent for headless (which has its own per-tick
-`TryCompletePortal`-shaped loop already, per route-inventory's route 8
-section, that a similar chain would need to extend); (3) a NEW general
-first-body-construction step for non-local residence-driven Creates,
-requiring retail research this session did not do; (4) deletion of the
-now-superseded duplicate authorities across ~6 files; (5) new App.Tests/
-Headless.Tests integration tests; (6) the connected lifecycle/reconnect
-gate against a live ACE, which is itself explicitly one of this project's
-few "stop and get user verification" events. Given the project's own
-standing rules — no workarounds, no guessing at retail behavior, dual-
-reviewed shape for anything this load-bearing, and "stop and brainstorm
-when the observed scope diverges from the plan's assumed shape" — pushing
-a rushed implementation of the single most sensitive path in the client
-(both hosts' login/placement) within this session's remaining budget was
-judged higher-risk than landing C3-1 clean and handing back precise,
-citable findings for a properly scoped follow-up session (likely its own
-C3-2a "local-player initial-placement orchestration" + C3-2b "first-body
-construction for residence-driven Creates" split, each with its own
-dual-review pass, mirroring how C0/C1/C2 were each already run).
-
-No files under C3-2/C3-3/C3-4's scope were edited: PlayerModeController.cs,
-LiveEntityRuntime.cs, DatLiveEntityProjectionMaterializer.cs,
-RuntimeLiveEntitySessionController.cs, HeadlessSessionWorldProjection.cs,
-and RuntimeLocalPlayerMovementState.cs (the C3-4 Controller-setter seal)
-are all untouched by this session (confirmed via `git status`).
-
-## Gate 4 (connected) — not reached, not skipped/faked
-
-The exact lifecycle/reconnect harness is real and located per the route
-inventory: `tools/run-connected-world-lifecycle-gate.ps1` (drives capped +
-uncapped-reconnect sessions against local ACE on 127.0.0.1:9000) and
-`tools/run-connected-r6-soak.ps1` (canonical nine-stop route). Both require
-an already-listening local ACE. I did not attempt to launch/verify ACE
-reachability because there is no production code change from C3-2/C3-3/C3-4
-to gate yet — running the connected harness against C3-1's Runtime-only
-addition would exercise nothing new (C3-1 has no host caller in this
-session) and would misrepresent the gate as having validated the cutover.
-Whoever lands C3-2/C3-3/C3-4 must run this gate for real, with a live ACE,
-per the contract's gate 4 and the project's own "visual verification is the
-one thing that requires stopping for the user" rule.
-
-## Files touched this session (C3-1 only)
-
-- src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs
-- src/AcDream.Runtime/Physics/RuntimePlacementProjectionChannel.cs
-- src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs
-- tests/AcDream.Runtime.Tests/Entities/RuntimeInitialCreateContinuationExecutorTests.cs
-
-Nothing staged, nothing committed, HEAD unchanged at a32aba35d1d945b9d3194a84e70facf74a7d7608.
-
-## C3-1 review-fix round (same session, 2026-08-02)
-
-Coordinator relayed two review passes on C3-1's diff:
-
-1. Architecture PASS with one MINOR: `MapHookPhase`/`MapDisposition`/
- `MapConstrainPhase`'s catch-all `_ =>` arms silently folded an unmapped
- future internal enum value into `None`/`NoPositionOperation` instead of
- failing loudly. Fixed: every declared value now has an explicit arm
- (added the previously-implicit `None`/`NoPositionOperation` cases) and
- the catch-all now `throw new ArgumentOutOfRangeException(...)` with a
- message naming both the mapper method and the public enum to update.
- Also fixed `ProjectCompletion`'s `action.PositionDisposition ??
- RuntimeAuthoritativePositionDisposition.NoPositionOperation` fallback:
- verified (grep-confirmed `BuildPositionTrace` is the sole producer of
- `Kind.Position` trace entries, always passing `route.Disposition`, a
- non-nullable enum) that null is NOT a legitimate state at that call
- site specifically (it legitimately IS null for non-Position action
- kinds elsewhere in the trace, per the field's own doc comment - just
- not reachable here since the loop already filters to
- `Kind == Position`) - replaced the silent fallback with an explicit
- `InvalidOperationException` throw + comment explaining why.
-2. Retail-conformance PASS with two documentation-only addenda (no code
- changes): (a) `RuntimeInitialCreatePositionRouteFact`'s doc comment now
- states explicitly that `UnparentBeforeRouting`/
- `ApplyPlacementFrameBeforeRouting` ("unset_parent"/"SetPlacementFrame")
- are NOT projected because the executor's own merge
- (`ApplyAcceptedPositionSnapshot`'s `clearParent`/`installPlacementFrame`
- params, confirmed by direct read at the `ApplyPositionAction`/envelope
- call sites) already applies both to the canonical snapshot before the
- trace entry is built - a host must not re-apply them; the struct only
- carries facts still DEFERRED to the host. (b)
- `RuntimeInitialCreatePlacementCompletion`'s doc comment now states
- `PositionRouteFacts`'s ARRAY ORDER (not `Sequence`) is authoritative -
- confirmed multiple Position trace entries from one same-incarnation
- envelope share one continuation `Sequence` (only `Stage`, not
- projected, distinguishes them internally), and `ProjectCompletion`
- preserves trace/FIFO-drain order by construction.
-
-New test per the reviewer's ask ("same guard shape as
-`OperationResetAllFieldsToDefaultTouchesEveryDeclaredField`"):
-`EnumProjectionMapsHaveEqualArityAndEveryInternalValueRoundTripsByName` in
-`RuntimeInitialCreateContinuationExecutorTests.cs` - reflection-invokes the
-three private static `Map*` methods against every declared value of their
-internal source enum, asserting (a) equal arity between the internal and
-public enum, and (b) every mapped public value's `.ToString()` name equals
-the internal value's name (the mappers are literal 1:1 name mirrors by
-design). Sabotage-verified twice, both reverted after confirming failure:
-(1) added a member ONLY to internal `RuntimeTeleportHookPhase` - failed on
-the arity assertion ("RuntimeTeleportHookPhase has 5 values but
-RuntimeInitialCreateTeleportHookPhase has 4"); (2) added the SAME member to
-BOTH the internal and public enum (arity equal) without adding a mapping
-arm - failed via the reflection-invoked `MapHookPhase` throwing
-`ArgumentOutOfRangeException` exactly as designed. Both sabotage edits
-fully reverted; confirmed clean via `git diff` on the touched file showing
-no residual change.
-
-Gates re-run after the fix: focused
-Residence|Classifier|Executor|SetPositionState|PlacementProjectionChannel
-filter 242/242 (241 + 1 new); complete AcDream.Runtime.Tests 932/932 (931 +
-1 new); Release build of the full solution 0 errors/21 pre-existing
-warnings; `git diff --check` clean (only pre-existing LF/CRLF notices, same
-files as before). `git status` shows the same files as the prior C3-1
-checkpoint dirty, PLUS one file I did NOT touch:
-`docs/plans/2026-08-02-placement-cutover.md` now shows a diff decomposing
-C3 into C3a/C3b/C3c based on my earlier Finding B/C report - this was made
-externally (not by this session; I never opened that file for editing this
-round) and is left exactly as found, unstaged. Nothing staged by me,
-nothing committed, HEAD unchanged at
-a32aba35d1d945b9d3194a84e70facf74a7d7608.
-
-Files touched this round (all within C3-1's original scope, no new files):
-- src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs
- (Map* explicit arms + throws, ProjectCompletion null-check, doc-comment
- addenda on RuntimeInitialCreatePositionRouteFact and
- RuntimeInitialCreatePlacementCompletion)
-- tests/AcDream.Runtime.Tests/Entities/RuntimeInitialCreateContinuationExecutorTests.cs
- (+1 new test, +using System.Reflection)
-
-================================================================
-C3a -- Runtime first-entry conductor (dormant) -- implementer session
-================================================================
-
-## Mandatory first step: full reads completed
-
-Read in full before writing any code:
-- src/AcDream.Runtime/Gameplay/RuntimeLocalPlayerPhysicsPublicationState.cs
- (1,033 lines).
-- tests/AcDream.Runtime.Tests/Gameplay/RuntimeLocalPlayerPhysicsPublicationStateTests.cs
- (2,698 lines, all ~35 tests).
-- docs/research/2026-07-31-remaining-physics-campaign-handoff.md (497 lines,
- full) -- route-1's own required order, lines 280-292.
-- docs/plans/2026-08-02-placement-cutover.md (166 lines, full).
-- docs/research/2026-08-02-canonical-body-writer-map.md (681 lines, full).
-- docs/research/2026-08-02-runtime-continuation-executor-handoff.md (211
- lines, full).
-- src/AcDream.Runtime/Entities/RuntimeInitialCreateResidenceState.cs (1,260
- lines, full).
-- src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs
- (Execute/ExecuteCore, lines 1-250 and 860-1080).
-- src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs targeted sections:
- RuntimeEntityPlacementStage enum (30-39), TryBeginExclusiveAuthoredPlacement/
- PrepareDormantLocalActivationOwnership/BeginAcceptedPlacementCore
- (1170-1467), PrepareMover/TryPrepareAndSubmitAuthoredPlacement/
- IsExactPreparedPlacementCurrent (1480-1652), SubmitPreparedPlacementCore
- (2575-2700), RetryDeferred (3986-4020), AcknowledgeProjection (2913-3006).
-- Existing test fixtures for reuse patterns:
- tests/AcDream.Runtime.Tests/Entities/RuntimeInitialCreateContinuationExecutorTests.cs
- (EngineLifetime/Bind/Spawn/AttachDormantBody/CompleteInitialPlacement,
- lines 1-130 and 4963-5150) and
- tests/AcDream.Runtime.Tests/Physics/RuntimeSetPositionStateTests.cs
- (FakeCollisionSource, TryPrepareAndSubmitAuthoredPlacement tests,
- lines 2660-2760, 3296+).
-
-## Step-graph (states x transitions x owning method)
-
-[residence Begin -- ALREADY DONE at registration, outside conductor scope]
- RuntimeEntityObjectLifetime.RegisterEntityWithInitialResidence
- -> RuntimeInitialCreateResidenceState.Begin
- -> RuntimeSetPositionState.TryBeginExclusiveAuthoredPlacement
- (opens Operation, stage=AwaitingPreparation)
- -> RuntimeSetPositionState.WatchPlacementCompletion(placement)
- yields: RuntimeInitialCreateResidenceLease { Token, Route, Placement }
-
-Stage.AwaitingMoverPreparation (conductor entry point)
- precondition: RuntimeInitialCreateResidenceState.TryGetCurrent(record, out
- lease) && lease.Token == residenceToken
- if !lease.Route.PerformsSetPosition (Parented/PickedUp -- never true for a
- real login, kept for structural completeness):
- -> Stage.Acknowledged (skip straight to Execute)
- else:
- RuntimeSetPositionState.TryPrepareAuthoredMover <- NEW extracted method
- (Setup-read via IPreparedCollisionSource, then PrepareMover; stage
- stays AwaitingPreparation; sets authority.Prepared=true)
- RetrySetupUnavailable -> yield AwaitingCollisionSource (retry same stage)
- Prepared -> Stage.MoverPrepared, holds RuntimeSetPositionCommand
-
-Stage.MoverPrepared
- RuntimeLocalPlayerPhysicsPublicationState.Prepare(record, lease.Placement,
- command, options, activationPreparation, out pubToken)
- (validates IsExactPreparedPlacementCurrent -- REQUIRES mover already
- prepared; off-canonical body+controller build against scratch clock)
- RejectedAuthority -> abandon (Discard progress; nothing to undo, Prepare
- never mutates on failure)
- Prepared -> Stage.PublicationPrepared, holds pubToken
-
-Stage.PublicationPrepared
- RuntimeLocalPlayerPhysicsPublicationState.Commit(pubToken, out
- activationToken)
- -> internally: RuntimeSetPositionState.PrepareDormantLocalActivationOwnership
- (the designed seam -- binds Operation.Body, sets DormantLocalActivation
- =true; requires stage STILL AwaitingPreparation + record.PhysicsBody
- still null)
- -> candidate.Controller.CommitRuntimeOwnership +
- candidate.Record.SetPhysicsBody(body) (record now has a body)
- RejectedToken/RejectedAuthority -> abandon (Publication.Commit already
- self-discards its own candidate on RejectedAuthority; conductor drops
- its own progress entry)
- Committed -> Stage.PublicationCommitted, holds activationToken
-
-Stage.PublicationCommitted / Stage.Evaluated (single combined retry point --
- see "CommitActivation resume safety" note below)
- RuntimeLocalPlayerPhysicsPublicationState.EvaluateActivation(activationToken,
- out receipt)
- RejectedToken/RejectedAuthority -> abandon
- Evaluated/DeferredCell/RejectedPlacement -> receipt.IsValid in all three;
- proceed to CommitActivation in the SAME Advance call (mirrors every
- publication test: Evaluate and CommitActivation are always chained,
- never yielded between)
- RuntimeLocalPlayerPhysicsPublicationState.CommitActivation(receipt, out
- projection)
- (internally drives: ground phase -> HitGround/LeaveGround -> post-ground
- -> collision dispatch -> post-collision -> FinalizeActivation, which is
- the SAME retail-staged commit already tested)
- Committed -> Stage.ActivationCommitted, holds projection
- DeferredCell / RejectedPlacement -> yield AwaitingActivation, stage stays
- PublicationCommitted (retry re-runs BOTH EvaluateActivation AND
- CommitActivation next Advance call -- safe even for the internal
- AwaitingFinalShadowPreparation resume path, see note below)
- RejectedAuthority -> abandon
-
-Stage.ActivationCommitted
- RuntimeSetPositionState.AcknowledgeProjection(projection.Token)
- ("Place receipt -> acknowledgement" -- the SAME ack any host uses; moves
- the watched placement token into _acknowledgedPlacementCompletions,
- operation.Stage -> AwaitingCommitAcknowledgement, operation removed from
- _operations)
- false -> yield AwaitingReceiptAcknowledgement (retry same stage -- only
- fails if not the exact FIFO head; single-entity tests never hit this,
- documented for completeness)
- true -> Stage.Acknowledged
-
-Stage.Acknowledged (or skipped-straight-here for a non-SetPosition route)
- RuntimeInitialCreateContinuationExecutor.Execute(record, residenceToken,
- inputs, out executionReceipt)
- (internally: RuntimeInitialCreateResidenceState.Complete -- now succeeds
- because IsPlacementCurrent(lease.Placement)==false and
- TryPeekAcknowledgedPlacement succeeds -- -> AdoptCompletedPlacement ->
- AfterEnterWorld hook -> deferred replay -> FIFO drain -> ConsumeExecuted)
- Completed -> conductor Stage.Completed (progress removed) -> terminal
- PendingPlacement -> yield AwaitingReceiptAcknowledgement (residence still
- sees the operation as unacknowledged/current -- should not normally
- recur once we've truly acknowledged, kept as a defensive yield)
- AwaitingContinuationPlacement -> yield AwaitingContinuationPlacement
- (a LATER Position continuation needs its own placement -- entirely the
- EXECUTOR's own concern from here; conductor just passes the status
- through, mirroring "Execute (FIFO drain) -> ExecutorCompleted receipt"
- being the conductor's LAST step, not something it re-implements)
- RejectedToken/RejectedAuthority -> abandon
-
-Typed yields exposed (RuntimeLocalPlayerFirstEntryStatus): Completed,
-AwaitingCollisionSource, AwaitingActivation, AwaitingReceiptAcknowledgement,
-AwaitingContinuationPlacement, Contention (reentrancy-guard-only -- mirrors
-the executor's own `_executing.Add(key)` fail-closed pattern), RejectedToken,
-RejectedAuthority. "awaiting-preparation" from the contract's five named
-yields is folded into AwaitingCollisionSource / the MoverPrepared ->
-PublicationPrepared span (see reconciliation below) rather than kept as an
-eighth separate value -- documented at the enum declaration.
-
-## Reconciliation against route-1 + CONTRADICTION FOUND (resolved, did not
-## silently redesign)
-
-Campaign handoff route-1 order (2026-07-31-remaining-physics-campaign-handoff.md:280-292):
- 1. register identity cellless
- 2. begin initial/remote-create placement before hydration
- 3. load exact Setup mover
- 4. prepare the atomic Runtime controller/body relationship
- 5. submit canonical SetPosition
- 6. publish presentation only from Place
- 7. acknowledge, then enable player mode/simulation
-
-Step 3 (mover) precedes step 4 (controller/body prepare) here.
-
-The C3a contract's OWN restated PURPOSE-section order instead reads:
- "... atomic Commit binding the body to the residence's EXACT placement
- token (PrepareDormantLocalActivationOwnership is the designed seam)
- -> authored-mover preparation + submission (C0's
- TryPrepareAndSubmitAuthoredPlacement ...)"
-i.e. it places mover-prep AFTER Publication Prepare/Commit -- the OPPOSITE of
-route-1's own order 3-then-4.
-
-Verified against the actual staged semantics that this restated order is
-IMPOSSIBLE and additionally that the named mechanism cannot be reused as
-worded:
-1. RuntimeLocalPlayerPhysicsPublicationState.CanPrepare
- (RuntimeLocalPlayerPhysicsPublicationState.cs:886-889) requires
- _physics.SetPosition.IsExactPreparedPlacementCurrent(record, placement,
- command) to ALREADY be true. IsExactPreparedPlacementCurrent
- (RuntimeSetPositionState.cs:1627-1651) requires
- authority.Prepared && authority.PreparedCommand == command -- i.e.
- PrepareMover MUST have already succeeded for this exact command BEFORE
- Publication.Prepare can even be called. Mover-prep cannot happen after
- Commit; it structurally gates entry into Prepare.
-2. TryPrepareAndSubmitAuthoredPlacement (RuntimeSetPositionState.cs:1562-1625)
- is PrepareMover followed unconditionally by SubmitPreparedPlacement.
- SubmitPreparedPlacementCore (RuntimeSetPositionState.cs:2584-2630)
- requires operation.Record.PhysicsBody is not {} body -- i.e. a body must
- ALREADY exist. Before Commit, the record has no body (Commit is what
- attaches one); calling this fused method before Commit would reject.
- Calling it AFTER Commit (as the contract's restated order implies) would
- NOT reject -- the body now exists -- but RetryDeferred's own comment
- (RuntimeSetPositionState.cs:3988-3993) states explicitly: "The local-
- player activation lease owns its dormant body/controller and must
- re-enter through the same sealed evaluation/commit path ... it must
- never bypass that path through the ordinary remote CommitCanonical
- tail." SubmitPreparedPlacementCore has no DormantLocalActivation
- exclusion check, so calling it post-Commit would silently route the
- operation through the wrong (ordinary) commit tail in parallel with the
- dormant Evaluate/Commit/FinalizeActivation chain -- corrupting state.
-3. Confirmed empirically: the EXISTING executor test suite
- (RuntimeInitialCreateContinuationExecutorTests.cs's
- AttachDormantBody/CompleteInitialPlacement helpers, lines 5007-5073)
- treats even isLocalPlayer: true fixtures via a direct
- Entities.SetPhysicsBody + ordinary SubmitPreparedPlacement -- NEVER
- through RuntimeLocalPlayerPhysicsPublicationState -- because for a
- record that never sets DormantLocalActivation, the ordinary tail is
- exactly correct. This is a test-only substitute for what C3a's conductor
- now performs for real; it is not evidence that the ordinary tail is ever
- valid for a DormantLocalActivation operation.
-
-Resolution: route-1's own order (mover-prep BEFORE the controller/body
-prepare step) is correct and consistent with every tested invariant; the
-C3a contract's restated PURPOSE-section prose transposed the two steps.
-Per the contract's own instruction ("STOP with file:line evidence" rather
-than silently redesigning the PUBLICATION CHAIN), this is flagged here with
-full citations; the conductor is implemented using route-1's order because
-(a) that is what the contract explicitly told me to reconcile against, and
-(b) it is the only order that satisfies the publication chain's own
-staged/tested preconditions without changing a single line of already-
-tested code. The publication chain itself (Prepare/Commit/EvaluateActivation/
-CommitActivation/FinalizeActivation) is NOT modified or reinterpreted -- only
-the CONDUCTOR's call order was corrected relative to the contract's prose.
-
-Mechanism correction: "C0's TryPrepareAndSubmitAuthoredPlacement" as named in
-the contract is the WRONG vehicle for the local-player dormant path for the
-reason in point 2 above (it ends in SubmitPreparedPlacement, forbidden
-once DormantLocalActivation is set). RuntimeSetPositionState.cs gained one
-new internal method, TryPrepareAuthoredMover, extracted verbatim from
-TryPrepareAndSubmitAuthoredPlacement's FIRST HALF (Setup-read + PrepareMover
-call only, no Submit) -- a pure, behavior-preserving refactor.
-TryPrepareAndSubmitAuthoredPlacement itself now calls this shared helper
-then submits, unchanged in every observable respect (its own two existing
-tests, TryPrepareAndSubmitAuthoredPlacement_ChainsSetupReadThroughPrepareMoverToSubmit
-and ..._YieldsRetryOnAMissingSetupReadWithoutMutatingStage, stay green
-unmodified). The conductor calls ONLY the new TryPrepareAuthoredMover half.
-
-## CommitActivation resume safety note (why one retry stage suffices)
-
-Verified that re-running EvaluateActivation before every CommitActivation
-retry -- rather than adding a THIRD stage that resumes CommitActivation alone
-for the AwaitingFinalShadowPreparation internal resumption path -- is safe:
-CommitActivation's own top-of-method resume check
-(activation.PendingFinalCommit.Status is AwaitingFinalShadowPreparation,
-RuntimeSetPositionState.cs:498-506) fires only AFTER re-validating
-activation.Receipt == receipt; a fresh EvaluateActivation call sets
-activation.Receipt to match whatever it just returned, so passing that
-same fresh receipt back into CommitActivation satisfies the equality check
-and the stored PendingFinalCommit (untouched by the extra Evaluate call)
-still drives the correct resume via FinalizeActivation. Confirmed
-DeferredCell/RejectedPlacement from CommitActivation clear
-activation.Receipt to default (RuntimeSetPositionState.cs:546,628) -- so a
-fresh Evaluate is REQUIRED, not just tolerated, on those two outcomes. The
-one cost is a redundant extra Engine.SetPosition resolve in the (rare,
-contention-only) AwaitingFinalShadowPreparation case -- not a correctness
-issue, and simpler than tracking a fourth stage.
-
-## Files this session will add/touch
-
-- src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs -- extract
- TryPrepareAuthoredMover (new internal method; TryPrepareAndSubmitAuthoredPlacement
- now delegates to it, unchanged behavior).
-- src/AcDream.Runtime/Gameplay/RuntimeLocalPlayerFirstEntryState.cs -- NEW,
- the conductor. Dormant; no production caller; constructed only in tests.
-- tests/AcDream.Runtime.Tests/Gameplay/RuntimeLocalPlayerFirstEntryStateTests.cs
- -- NEW.
-
-No changes to RuntimeLocalPlayerPhysicsPublicationState.cs,
-RuntimeInitialCreateResidenceState.cs, RuntimeInitialCreateContinuationExecutor.cs,
-RuntimeEntityObjectLifetime.cs, or GameRuntime.cs (C3c wires production
-callers and residence-retirement fan-out; that is explicitly out of C3a's
-scope). One consequence documented for C3c: because
-RuntimeInitialCreateResidenceState.BindRetirementNotification is a single-
-subscriber seam already bound to InitialCreateExecution.DiscardProgress
-inside RuntimeEntityObjectLifetime's constructor, the conductor built here
-does NOT receive a push notification on external residence retirement; it
-relies on lazy re-validation at the top of every Advance call plus an
-explicit Forget(key) a future host can call. C3c will need to either fan the
-single notification out to both subscribers or route it through the
-conductor.
-
-## Implementation complete — gates passed
-
-Final design (RuntimeLocalPlayerFirstEntryState.cs, 423 lines) — a five-stage
-resumable machine (AwaitingMoverPreparation -> MoverPrepared ->
-PublicationCommitted -> ActivationCommitted -> Acknowledged), one
-`Advance(record, residenceToken, options, activationPreparation,
-collisionSource, gameTime, inputs, out receipt)` entry point, an
-`_executing` HashSet reentrancy guard mirroring the executor's own, a
-`Progress` class (LeaseId + Stage + the exact token/receipt/projection
-structs) keyed by `RuntimeEntityKey`, and a `Discard`/`Forget` pair that
-unconditionally calls `Publication.Discard`/`DiscardActivation` (both
-harmless no-ops against a default/unreached-stage token).
-
-Bugs found and fixed during test-driven verification (all via a temporary
-diagnostic build with Console.WriteLine probes, removed before the final
-commit-ready state):
-1. **EvaluateActivation's overloaded DeferredCell status.** Once a PRIOR
- CommitActivation call has registered a lease as awaiting a specific cell
- (`IsDormantLocalActivationAwaitingCell`), a REPEATED EvaluateActivation
- call that is still not ready returns DeferredCell WITHOUT populating its
- receipt (stays default/invalid) — confirmed against
- `DeferredCommitWaitsThenRearmsSameLeaseAfterExactGenerationWake` in the
- publication suite, which asserts exactly `waiting.IsValid == false` on
- that repeat and never calls CommitActivation with it. The conductor now
- checks `evalReceipt.IsValid` before ever calling CommitActivation,
- short-circuiting straight to AwaitingActivation when it is false, instead
- of blindly forwarding an invalid receipt (which CommitActivation's own
- `!receipt.IsValid` guard would reject as RejectedAuthority).
-2. **Re-acknowledging an already-consumed projection token.** An earlier
- draft used a single "Acknowledged" stage value to mean both "just
- committed, ack not yet attempted" and "ack already succeeded", causing a
- retry AFTER a successful acknowledgement (e.g. because Execute yielded
- AwaitingContinuationPlacement) to call AcknowledgeProjection a second
- time against a token AcknowledgeProjection had already removed from its
- FIFO — always failing. Split into two distinct stages
- (ActivationCommitted = ack not yet attempted; Acknowledged = ack done,
- only Execute remains) so the ack call only ever runs once per projection.
-3. **RejectedToken vs RejectedAuthority at the residence-lookup checks.**
- Mirrored `RuntimeInitialCreateResidenceState.Complete`'s own convention:
- "nothing was ever tracked for this key" (no Progress entry, residence not
- found) is RejectedToken; "something WAS in flight and just got
- invalidated" (Progress entry existed, now stale) is RejectedAuthority —
- matching the executor's identical split for the analogous case.
-
-Real (not test-only) findings surfaced by writing the tests, documented in
-the test file itself:
-- `RuntimeEntityRecord.Key` is computed from a nullable `LocalEntityId` and
- becomes `null` the instant `ReleaseLocalId` runs (part of delete's
- teardown in `RuntimeEntityObjectLifetime.CompleteProjectionRetirement`).
- `Advance`'s entry check (`record.Key is not {} key -> RejectedToken`)
- EXACTLY mirrors `RuntimeInitialCreateContinuationExecutor.Execute`'s own
- entry check — once Key is null, the conductor cannot compute its own
- dictionary key to reach stale progress at all. A caller that wants
- deterministic cleanup after full teardown must capture the
- `RuntimeEntityKey` BEFORE deletion and call `Forget(key)` explicitly; this
- is a pre-existing convention in the codebase (the executor has the
- identical limitation), not a defect introduced here.
-- `RuntimeLocalPlayerPhysicsPublicationState` holds exactly ONE global
- `_candidate`/`_activation` (instance fields, not per-key) — correct, since
- there is only ever one local player — but it means an orphaned, un-Forgot
- first-entry attempt for a stale incarnation will structurally block a
- fresh incarnation's own `Publication.Prepare` (CanPrepare requires
- `_activation is null`) until `Forget` runs. Proven by
- `DeleteAndSameGuidReincarnationRequiresForgetBeforeTheFreshIncarnationCanUseThePublicationSlot`.
-- `Movement.ResetSession()` proactively nulls Publication's `_activation`
- directly (unlike delete, which only makes it stale via
- `_entities.IsCurrent`/epoch checks) — so a retry after ResetSession sees
- EvaluateActivation report RejectedToken (activation genuinely gone), not
- RejectedAuthority (activation found but stale) — and, because
- ResetSession never touches `RuntimeEntityRecord.Key`, ordinary retry alone
- (no captured-key Forget) reaches Discard and converges.
-
-### Final gate results
-
-- `dotnet build src/AcDream.Runtime/AcDream.Runtime.csproj -c Release`:
- 0 errors, 0 warnings.
-- `dotnet build AcDream.slnx -c Release`: 0 errors, 21 pre-existing warnings
- (same count/files as the C3-1 checkpoint; none new).
-- Focused filter
- `FullyQualifiedName~Publication|~Residence|~Executor|~SetPositionState|~FirstEntry`:
- 308/308 passed.
-- Complete `AcDream.Runtime.Tests`: 944/944 passed (932 baseline + 12 new),
- 0 skips.
-- Complete solution (`dotnet test AcDream.slnx -c Release --no-build -m:1`):
- every project reports 0 failed — App 4028/3 skips, Bake 15/0, Cli 4/0,
- Content 124/0, Core.Net 762/0, Core 4242/1 skip, Headless 77/0, Runtime
- 944/0, UI.Abstractions 543/0.
-- `git diff --check`: clean (only pre-existing LF/CRLF notices on the same
- eight paths as every prior checkpoint; AGENTS.md is the only one with a
- real, pre-existing, untouched content diff; `RuntimeSetPositionState.cs`
- shows exactly my own 60/8 insertion/deletion extraction, nothing else).
-- No staging, no commits, HEAD unchanged at `277ef5d0`.
-
-### Files touched (final)
-
-- `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs` — extracted
- `TryPrepareAuthoredMover` (new internal method, Setup-read + PrepareMover
- only); `TryPrepareAndSubmitAuthoredPlacement` now delegates to it then
- submits, byte-identical observable behavior (its own two existing tests
- pass unmodified).
-- `src/AcDream.Runtime/Gameplay/RuntimeLocalPlayerFirstEntryState.cs` — NEW,
- 423 lines. Dormant; zero production callers (verified by the focused/
- complete/full-solution gates above, which exercise it only from the new
- test file).
-- `tests/AcDream.Runtime.Tests/Gameplay/RuntimeLocalPlayerFirstEntryStateTests.cs`
- — NEW, 12 tests: full-sequence happy path; AwaitingCollisionSource retry
- +resume; AwaitingActivation retry+resume (generation wake); AwaitingReceipt
- Acknowledgement retry+resume (FIFO-head contention via a second entity's
- unacknowledged Place); AwaitingContinuationPlacement propagation+resume;
- reentrant Advance during a collision callback (Contention, outer call
- still completes); two retry-idempotency tests (mover-preparation and
- AwaitingActivation stages never re-create a candidate/duplicate a body);
- mid-flight delete-during-collision-callback abandonment (no Place/shadow
- published, full convergence); delete-while-AwaitingActivation requiring an
- explicit captured-key Forget; ResetSession mid-flight converging through
- ordinary retry; delete+same-GUID-reincarnation requiring Forget before the
- fresh incarnation can use Publication's one global slot.
-
-RuntimeLocalPlayerPhysicsPublicationState.cs, RuntimeInitialCreateResidenceState.cs,
-RuntimeInitialCreateContinuationExecutor.cs, RuntimeEntityObjectLifetime.cs, and
-GameRuntime.cs are all untouched, exactly as scoped.
-
-================================================================
-Review round 2 -- F1 (MAJOR) + F2 (MINOR) fixes
-================================================================
-
-## F1 (MAJOR) -- ack-failure authority re-validation
-
-Root cause confirmed: the ActivationCommitted stage treated EVERY
-AcknowledgeProjection failure as the generic "not yet FIFO head" case.
-TryAcceptDelete -> CompleteProjectionRetirement -> Physics.SetPosition.Forget
--> CancelCore rewrites the SAME pending slot from Place to Discard with a
-bumped Revision; the RuntimePlacementProjectionToken struct this class
-already cached in progress.Projection can then never match the FIFO head
-again, so AcknowledgeProjection would fail forever -- infinite
-AwaitingReceiptAcknowledgement for a dead entity, Progress retained,
-IsConverged false forever, exactly as reported.
-
-Fix: added IsAcknowledgementStillPending(record, residenceToken, expected),
-called on every failed acknowledge before deciding retryable vs abandon.
-Two checks, either failing means authority moved:
-1. _residences.TryGetCurrent(record, out lease) && lease.Token ==
- residenceToken -- the SAME residence-lookup pattern stage0/stage1
- already use.
-2. _physics.SetPosition.TryPeekProjection(out head) -- if the FIFO head
- belongs to THIS entity (head.Token.Entity == expected.Entity) but is no
- longer the exact Place token expected (kind changed, or revision
- bumped), authority for THIS SPECIFIC placement moved even if the
- residence lookup alone would not have caught it. A head belonging to a
- DIFFERENT entity is the genuine "not our turn yet" case and stays
- retryable.
-Both failing -> Discard(key) + RejectedAuthority. Read
-RuntimeSetPositionState.TryPeekProjection directly (Runtime-internal-to-
-internal), not through the public generation-gated
-RuntimePlacementProjectionChannel -- this class is part of Runtime, not an
-external host crossing that boundary, exactly like its existing direct
-AcknowledgeProjection call.
-
-Real discovery made while testing this: FinalizeActivation nulls
-Publication's OWN tracked `_activation` the INSTANT CommitActivation's
-final commit succeeds (RuntimeLocalPlayerPhysicsPublicationState.cs
-FinalizeActivation, `_activation = null;` right after
-TryApplyDormantLocalActivationFinalCommit succeeds) -- the controller is
-genuinely live/published from that point on, not a discardable in-progress
-candidate. So once Stage.ActivationCommitted is reached,
-Publication.DiscardActivation is ALREADY a no-op on the controller/body;
-abandoning a stuck acknowledgement never retroactively un-publishes an
-already-live entity -- that is ordinary entity teardown's job, not this
-class's. Documented on Discard's own doc comment and confirmed empirically
-(a diagnostic build showed PendingActivationCount == 0 already at the FIRST
-ack attempt, before any authority change).
-
-New test:
-`DeleteWhileAwaitingReceiptAcknowledgementAbandonsInsteadOfRetryingForeverAndConverges`
--- reaches ActivationCommitted (blocked behind another entity's own
-unacknowledged Place, same technique as the existing FIFO-head test), then
-calls the EXACT narrower mechanism TryAcceptDelete itself uses
-(`Physics.SetPosition.Forget(record, releasePreparedMover: true)` +
-`PublishCancellation`) directly rather than a full entity delete -- this
-was deliberate: a FULL delete now ALSO retires the residence, and F2's
-automatic retirement fan-out (below) would converge everything before a
-second Advance ever ran, masking whether THIS authority-recheck code path
-itself works. The narrower call proves the fix independent of F2's
-wiring. Asserts RejectedAuthority, ActiveCount/PendingActivationCount
-converge to 0, and the UNRELATED entity's own placement remains
-unaffected and acknowledgeable.
-
-## F2 (MINOR) -- ownership fold + cleanup wiring
-
-(a) RuntimeInitialCreateResidenceState.BindRetirementNotification converted
-from a single nullable Action field (throw-on-second-bind) to a
-`List>` (ordered, registration-order invocation via
-a new private NotifyRetirement(key) helper). Null-arg throw preserved
-(ArgumentNullException.ThrowIfNull); the "already bound" throw is gone by
-design since multiple subscribers are now the point. All 5 existing
-invocation sites (Forget x2, Clear's two loops, Retire(Entry),
-Retire(CompletedEntry)) now call NotifyRetirement instead of
-`_retirementNotification?.Invoke`.
-
-(b) RuntimeLocalPlayerFirstEntryState's constructor no longer takes
-RuntimeLocalPlayerPhysicsPublicationState (RuntimeEntityObjectLifetime is
-constructed BEFORE Publication exists -- GameRuntime builds
-RuntimeLocalPlayerMovementState and attaches its publication only after the
-entity-object lifetime). Added the SAME late-bind pattern already used
-throughout this class family (BindGeneration, BindRetirementNotification,
-BindLiveInputs, RuntimeLocalPlayerMovementState.PhysicsPublication's own
-throws-if-unbound accessor): `BindPublication(publication)` (bind-once,
-throws on null/double-bind) + a private `Publication` accessor that throws
-if unbound. All internal `_publication.X` call sites became `Publication.X`.
-Added `DiscardAll()` mirroring the executor's own (discards every tracked
-key's candidate/activation, then clears `_progress`).
-RuntimeEntityObjectLifetime now constructs `LocalPlayerFirstEntry` in all 3
-constructors (right after InitialCreateExecution, same pattern), binds a
-SECOND retirement notification (`key => LocalPlayerFirstEntry.Forget(key)`,
-alongside the executor's existing one), and `BeginSessionClear` calls
-`LocalPlayerFirstEntry.DiscardAll()` right after
-`InitialCreateExecution.DiscardAll()`. `RuntimeEntityObjectOwnershipSnapshot`
-gained `LocalPlayerFirstEntryActiveCount = 0` (trailing default, matching
-the file's existing convention), folded into `IsConverged` and into
-`CaptureOwnership()`'s construction. GameRuntime.cs itself was NOT touched
-(BindPublication is never called in production) -- deliberate: since
-Advance is never called in production, `_progress` stays permanently empty,
-so Forget/DiscardAll never actually dereference Publication regardless of
-binding state; wiring the production BindPublication call is left as a
-natural part of C3c's Advance-caller work, not manufactured here.
-
-(c) Updated the two named tests plus my own new delete tests to use
-`Lifetime.LocalPlayerFirstEntry` (bound via `.BindPublication(Publication)`)
-instead of a separately-constructed conductor instance -- this is what
-actually exercises the real wiring; a standalone instance would never see
-the fan-out at all.
-- `DeleteWhileAwaitingActivationRequiresForgetOfTheCapturedKeyToDiscardTheDormantActivation`
- renamed to `DeleteWhileAwaitingActivationConvergesAutomaticallyThroughTheRetirementFanOut`:
- delete alone now converges ActiveCount/PendingActivationCount to 0 with
- NO explicit host Forget call; a follow-up Advance is a safe RejectedToken
- no-op (Key already null).
-- `DeleteAndSameGuidReincarnationRequiresForgetBeforeTheFreshIncarnationCanUseThePublicationSlot`
- renamed to `DeleteAndSameGuidReincarnationAutomaticallyFreesThePublicationSlotForTheFreshIncarnation`:
- the fresh incarnation's own Prepare now succeeds immediately after delete,
- no Forget call in between.
-No standalone-conductor variant was kept -- delete-triggered convergence
-IS the production path once RuntimeEntityObjectLifetime owns construction,
-so an explicit-Forget test would only be meaningful for a conductor built
-outside the lifetime, which is not a real usage shape this slice needs to
-cover (the F1 test's narrower Physics.SetPosition.Forget-only scenario
-already demonstrates the authority-recheck's own logic independent of the
-fan-out, satisfying that documentation need instead).
-
-Fixture.Dispose ordering bug found and fixed along the way: disposing
-Movement (which tears down Publication) BEFORE Lifetime (whose Dispose runs
-BeginSessionClear, which now reaches LocalPlayerFirstEntry.DiscardAll ->
-Publication.Discard for any still-tracked entity) threw
-ObjectDisposedException whenever a test left real progress untracked at
-teardown (e.g. the AwaitingActivation retry-idempotency test, which never
-completes or deletes within the test body). Fixed by disposing Lifetime
-FIRST. Documented as a real ordering constraint for whoever eventually
-disposes GameRuntime in production, since the identical dependency exists
-there (RuntimeEntityObjectLifetime's conductor holds a bound reference to
-Publication via BindPublication).
-
-## Final gate results (round 2)
-
-- `dotnet build src/AcDream.Runtime/AcDream.Runtime.csproj -c Release`:
- 0 errors, 0 warnings.
-- `dotnet build AcDream.slnx -c Release`: 0 errors, 21 pre-existing warnings
- (unchanged).
-- Focused filter
- `FullyQualifiedName~Publication|~Residence|~Executor|~SetPositionState|~FirstEntry`:
- 309/309 passed (308 + 1 new F1 test).
-- Complete `AcDream.Runtime.Tests`: 945/945 passed (932 baseline + 13 new),
- 0 skips.
-- Complete solution (`dotnet test AcDream.slnx -c Release --no-build -m:1`):
- every project reports 0 failed -- App 4028/3 skips, Bake 15/0, Cli 4/0,
- Content 124/0, Core.Net 762/0, Core 4242/1 skip, Headless 77/0, Runtime
- 945/0, UI.Abstractions 543/0.
-- `git diff --check`: clean. Modified files now include
- `RuntimeEntityObjectLifetime.cs` and `RuntimeInitialCreateResidenceState.cs`
- in addition to the round-1 `RuntimeSetPositionState.cs` -- all three
- diffs are additive/expected (64, 39, 68 changed lines respectively via
- `git diff --stat`); the pre-existing eight dirty paths are otherwise
- unchanged (line-ending noise only).
-- No staging, no commits, HEAD unchanged at `277ef5d0`.
-
-## Files touched (round 2 additions)
-
-- `src/AcDream.Runtime/Gameplay/RuntimeLocalPlayerFirstEntryState.cs` --
- now 663 lines (was 540): F1's IsAcknowledgementStillPending; F2's
- BindPublication/Publication accessor replacing the constructor
- parameter; DiscardAll().
-- `src/AcDream.Runtime/Entities/RuntimeInitialCreateResidenceState.cs` --
- BindRetirementNotification multicast conversion.
-- `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs` --
- LocalPlayerFirstEntry property + construction in all 3 ctors + second
- retirement-notification bind + BeginSessionClear wiring +
- RuntimeEntityObjectOwnershipSnapshot field/IsConverged/CaptureOwnership
- fold.
-- `tests/AcDream.Runtime.Tests/Gameplay/RuntimeLocalPlayerFirstEntryStateTests.cs`
- -- now 827 lines (was 758): 1 new F1 test; Fixture now binds/uses
- `Lifetime.LocalPlayerFirstEntry` instead of a standalone instance; fixed
- Dispose ordering; 2 tests renamed and rewritten for automatic
- convergence per F2(c).
-
-GameRuntime.cs remains untouched (see F2(b) note above for why). No
-production caller of Advance anywhere.
-
-================================================================
-Review round 3 -- H1 + H2 hardening (final verdicts: retail PASS,
-architecture PASS)
-================================================================
-
-## H1 -- NotifyRetirement snapshot before iterating
-
-`RuntimeInitialCreateResidenceState.NotifyRetirement` iterated the live
-`_retirementNotifications` List<> directly. A subscriber binding a NEW
-notification from inside a retirement callback it is itself receiving
-(unreachable today -- only 2 subscribers exist, neither rebinds -- but
-becomes reachable the instant C3c adds a runtime-bound third subscriber)
-would throw "Collection was modified" on the very next iteration step.
-Fixed per the reviewer's exact instruction, matching
-`RuntimeEntityObjectEventStream`'s own copy-on-write dispatch precedent:
-`foreach (... in _retirementNotifications.ToArray())`. `ToArray()` (not a
-`Volatile`-guarded array swap like the event stream) was the right
-granularity here since binding only ever happens a handful of times at
-construction, never on a hot per-frame path -- documented on the method's
-own doc comment with that reasoning spelled out.
-
-New test (`RuntimeInitialCreateResidenceStateTests.cs`):
-`RetirementNotificationBoundReentrantlyDuringDispatchDoesNotCorruptTheCurrentIteration`
--- binds a notification that, on its first invocation, reentrantly binds a
-THIRD one; triggers a real retirement via `Forget`; asserts no exception,
-that the newly-bound subscriber does NOT see the in-flight retirement (not
-required to), and that it DOES see the next one.
-
-## H2 -- unbound-Publication transactional failure
-
-Root cause confirmed: `AdvanceCore` had no check for an unbound
-`_publication` before mutating anything. An Advance call in the window
-before a host calls `BindPublication` would run the FULL authored-mover
-Setup-read/PrepareMover call (mutating `RuntimeSetPositionState`'s own
-`_preparedMovers`) and create/store this class's own `Progress` entry
-BEFORE the FIRST `Publication` dereference (inside the `MoverPrepared`
-stage) throws -- leaving a poisoned `Progress` entry in `_progress` that a
-LATER, unrelated `Discard`/`DiscardAll` call (from a retirement
-notification or session-clear fan-out) would ALSO throw on, corrupting
-someone else's teardown.
-
-Fix: `AdvanceCore`'s very first statement (before `_progress.TryGetValue`,
-before the ABA check, before anything) is now `_ = Publication;` -- the
-existing throws-if-unbound accessor, referenced purely for its side
-effect, so the whole call fails transactionally with nothing yet mutated.
-Also hardened `Discard`/`DiscardAll` to tolerate an unbound `_publication`
-defensively (`if (_publication is null) return;` before touching
-`Publication.Discard`/`DiscardActivation`) -- both documented as
-structurally unreachable post-H2 (a `Progress` entry can only exist if
-`Advance` already ran, which now requires a bound `Publication` first) and
-guarded anyway as belt-and-suspenders so no future caller shape can turn
-an already-surfaced `Advance` failure into a SECOND throw from inside an
-unrelated fan-out.
-
-New tests (`RuntimeLocalPlayerFirstEntryStateTests.cs`):
-- `AdvanceWithUnboundPublicationThrowsTransactionallyBeforeAnyStateMutation`
- -- constructs a bare `RuntimeEntityObjectLifetime` (its own
- `LocalPlayerFirstEntry` is naturally unbound, since only this test file's
- own `Fixture` calls `BindPublication`), registers a residence, calls
- `Advance` with no bound Publication, asserts the throw AND that the
- residence lease/`ActiveCount` are completely untouched, THEN
- binds a real Publication and confirms the SAME token still drives
- correctly to `AwaitingActivation` -- proving nothing was corrupted by the
- failed attempt.
-- `BindPublicationTwiceThrows` -- the standard bind-once guard test,
- matching every other `BindX` method in this class family.
-
-## Final gate results (round 3, last of the slice)
-
-- `dotnet build src/AcDream.Runtime/AcDream.Runtime.csproj -c Release`:
- 0 errors, 0 warnings.
-- `dotnet build AcDream.slnx -c Release`: 0 errors (warning count reported
- as 0 on this incremental rebuild since no other project's files changed
- and MSBuild skipped re-analyzing them as up-to-date; the prior two
- rounds already confirmed 21 pre-existing warnings, all in untouched test
- files, with a from-scratch build).
-- Focused filter
- `FullyQualifiedName~Publication|~Residence|~Executor|~SetPositionState|~FirstEntry`:
- 312/312 passed (309 + 3 new: 1 H1 + 2 H2).
-- Complete `AcDream.Runtime.Tests`: 948/948 passed (932 baseline + 16 new
- across the whole C3a slice), 0 skips.
-- Complete solution (`dotnet test AcDream.slnx -c Release --no-build -m:1`):
- every project reports 0 failed -- App 4028/3 skips, Bake 15/0, Cli 4/0,
- Content 124/0, Core.Net 762/0, Core 4242/1 skip, Headless 77/0, Runtime
- 948/0, UI.Abstractions 543/0.
-- `git diff --check`: clean. Modified files now additionally include
- `tests/AcDream.Runtime.Tests/Entities/RuntimeInitialCreateResidenceStateTests.cs`
- (+47/-0, the new H1 test) alongside
- `RuntimeInitialCreateResidenceState.cs` (54 changed lines, up from 39 in
- round 2 -- the ToArray snapshot + doc comment) and the unchanged round-1/2
- files. The pre-existing eight dirty paths remain line-ending noise only.
-- No staging, no commits, HEAD unchanged at `277ef5d0`.
-
-## Files touched (round 3 additions)
-
-- `src/AcDream.Runtime/Entities/RuntimeInitialCreateResidenceState.cs` --
- `NotifyRetirement` now snapshots via `ToArray()`.
-- `src/AcDream.Runtime/Gameplay/RuntimeLocalPlayerFirstEntryState.cs` --
- now 690 lines (was 663): upfront unbound-Publication check in
- `AdvanceCore`; `Discard`/`DiscardAll` unbound-Publication tolerance.
-- `tests/AcDream.Runtime.Tests/Entities/RuntimeInitialCreateResidenceStateTests.cs`
- -- +1 new H1 test.
-- `tests/AcDream.Runtime.Tests/Gameplay/RuntimeLocalPlayerFirstEntryStateTests.cs`
- -- now 922 lines (was 827): +2 new H2 tests.
-
-This is the last round of code changes for C3a per the coordinator's
-message. GameRuntime.cs remains untouched throughout the whole slice; no
-production caller of Advance anywhere.
-
-## C3b implementer progress (remote body construction at Create)
-
-- Verified HEAD d62b9950 on codex/port-claude-agents; 8 protected dirty paths untouched.
-- Read: plan (C3b scope), float-gates doc (3 byte-certain gates), retail-notes.md
- (CreateObject 0x00558870 order; set_description 0x00514F40 order; PhysicsDesc::UnPack),
- writer map (6 canonical SetPhysicsBody writers), PhysicsBody.cs,
- RuntimeInitialCreateResidenceState.cs, RuntimeLocalPlayerFirstEntryState.cs (C3a shape),
- RuntimeSetPositionState mover/submit/ack/park/retry paths, RuntimePhysicsState bind sites,
- route classifier, C3a test harness.
-- Resolved SetMotionTableID(0) semantics from pseudo-C: CPhysicsObj::SetMotionTableID
- 0x00512780 (pc:280528) fails ONLY when part_array==0 (005127da) or
- MotionTableManager::Create fails for a NONZERO id (CPartArray::SetMotionTableID
- 0x005186E0, pc:286732, 0051872f); id==0 skips manager creation (0051871f) and
- returns 1 -> gate PASSES for zero id. CPhysicsObj skips MakeMovementManager for
- INVALID_DID (005127ca).
-- Recovered PhysicsDesc ctor defaults 0x0051D4D0 (pc:292056): friction "33s?" =
- 0x3F733333 = 0.95f; elasticity 0.05f; translucency 0 (memset); scale 1; state 0x400c08.
-- Recovered set_elasticity 0x0050FD40 (pc:277817): <0 -> 0; <=0.1 -> value; >0.1 -> 0.1.
- Cross-checked ACE PhysicsGlobals.MaxElasticity = 0.1f (PhysicsObj.cs:3586-3599).
-- Design: RuntimeRemoteFirstEntryState (Entities/, no publication chain) with stages
- MoverPreparation -> BodyConstruction (via canonical RuntimePhysicsState.GetOrCreatePhysicsBody
- factory, retail set_description order) -> Submit (lease.Placement) -> Withdraw/Place ack
- (TryPeekProjection loop for deferred parks) -> Execute. Pure builder
- RuntimeRemoteBodyDescription + construction receipt for gate proofs.
-- IMPLEMENTED: RuntimeRemoteBodyDescription.cs (288 L, pure set_description-ordered
- construction + gated receipt), RuntimeRemoteFirstEntryState.cs (620 L, six-stage
- resumable conductor, no publication chain), lifetime wiring (+51/-2: construction in
- all 3 ctors, third multicast retirement binding, BeginSessionClear DiscardAll,
- RemoteFirstEntryActiveCount snapshot field + IsConverged clause), tests (879 L, 29
- tests, all pass first run).
-- GATES: Runtime build 0W/0E; solution build 0 errors, 21 pre-existing warnings none in
- changed files; focused filter (Residence|Executor|SetPositionState|FirstEntry|
- RemoteEntry) 247/247; complete Runtime 977/977; git diff --check clean; 8 protected
- dirty paths + AGENTS.md untouched; nothing staged/committed.
-- No conflicts stopped on: motion-table zero-id semantics resolved from pseudo-C
- (gate passes for id 0); elasticity clamp recovered (0..0.1) + ACE cross-check;
- PhysicsDesc ctor defaults recovered for absent-wire fields.
-- REVIEW ROUND (arch M1/M2 + retail R1/R2) closed: construction receipt now rides the
- terminal Advance out-param (M1); shared RuntimeFirstEntryAcknowledgement.IsStillPending
- used by BOTH conductors + new delete-after-commit-before-ack abandonment test (M2);
- movement branch re-gated on buffer non-emptiness per UnPack's buff_length!=0 assignment
- (R1, both-ways tests; parser's empty-buffer wrapper confirmed at CreateObject.cs:597);
- elasticity NaN -> 0f per retail's first-arm unordered (R2a, ACE divergence noted);
- friction NaN skip kept + commented per gates-doc quirk (R2b; doc addendum text in
- final report); translucency NaN matches retail apply-bucket already (noted).
-- FINAL GATES: focused 252/252; complete Runtime 982/982; build 0 errors, no warnings in
- changed files; git diff --check exit 0; nothing staged; protected paths untouched.
-
-# ============================================================
-# C3c — THE HOST FLIP (new session)
-# ============================================================
-
-## Reading phase (complete)
-- Verified worktree HEAD 78f1eb18 on codex/port-claude-agents; 8 dirty files = protected list.
-- Read: c3c-contract.md, plan doc C0-C3b notes, route inventory routes 1+8 + cross-cutting,
- canonical-body-writer-map, both conductors, executor surface, channel + subscription +
- retry slot, both sinks, both session routes, GameRuntime, RuntimeLocalPlayerMovementState,
- PlayerModeController (protected-noise), LiveEntityRuntime placement family, materializer,
- HeadlessSessionWorldProjection, RuntimeLiveEntitySessionController, publication Prepare,
- RuntimeFirstEntryAcknowledgement, synchronous event-stream dispatch, AcknowledgeProjection
- (strict FIFO-head, non-idempotent), PublishExecutorCompletion (snapshot carries body
- position/orientation + token.ExactCellId; residence released before publish).
-
-## Design conclusions
-1. One acknowledger per receipt: conductors consume their own initial Place/Withdraw
- (proven by AwaitingReceiptAcknowledgement tests). Both host sinks must return false
- (leave-at-head) for Place/Withdraw of an entity with an ACTIVE initial-create
- residence (TryGetInitialCreateResidence discriminator).
-2. ExecutorCompleted = the presentation-binding receipt (C3-1's purpose). Graphical sink
- applies Place-shaped presentation from its snapshot (celless => ack-and-ignore);
- returns false until sidecar+backend ready (existing FIFO-head retry semantics).
-3. Drive points: graphical = post-hydration in the Create flow + wrap the per-frame retry
- slot callback (drive conductors then RetryPending). Continuation placements completed
- via C0 fused TryPrepareAndSubmitAuthoredPlacement + AcknowledgeProjection.
-4. GameRuntime first act: LocalPlayerFirstEntry.BindPublication(Movement.PhysicsPublication)
- after AttachPhysicsPublication (GameRuntime.cs:260-265).
-
-## C3c implementation state at session end
-- ALL FIVE SCOPE ITEMS IMPLEMENTED in production code; complete solution builds 0 errors.
-- Runtime tests 982/982 GREEN (3 direct-sink tests rewritten to started-generation + driven-conductor form).
-- Headless tests 74/77 (3 failures: WorldProjectionHydratesCanonicalMovementAndTeleportState + 2 others — old
- SynchronizeLocalPlayer expectations; fixtures need conductor-driven rework).
-- App tests 3,865/4,031 passing, 163 failing after central fixture repair (LiveEntityRuntimeFixture now binds
- generation 1). Remaining classes: (a) ~90 fixtures with private lifetimes and no generation bound
- ("cannot acquire a structurally valid initial residence lease"); (b) ~40 hand-built spawns failing
- HasConsistentCreateIdentityAndParent ("inconsistent instance or parent projections");
- (c) ~30 behavior-expectation updates (suppressed-until-receipt visibility, FullCellId staying 0 for
- undriven residences).
-- New contract-required integration tests NOT yet written; connected gates NOT reached (automated gates
- not green — per gate order, stopped and reported).
-- Nothing staged or committed. Protected dirty paths untouched except the sanctioned surgical
- PlayerModeController.cs touch (flagged).
-
-## Continuation session (fixture repair)
-- App: 443 -> 163 -> 93 -> 50 failing (3,978/4,031 passing). Repairs, all mechanical, NO assertion changes:
- (1) generation binds: LiveEntityRuntimeFixture (all 5 overloads), LiveEntityHydrationControllerTests fixture,
- EquippedChildProjectionWithdrawalTests fixture (own lifetime + production drive controller + landblock
- collision generation);
- (2) consistent-spawn repair: new shared tests/AcDream.App.Tests/LiveEntitySpawnFixture.cs
- (WithConsistentPhysics extension deriving the nested PhysicsDesc from flattened fields), applied to
- CreateSupersessionRecovery, Vfx light, DeferredLifecycle, LocalPlayerTeleport, LiveAppearanceAnimation,
- StreamingFrame builders; per-file physics blocks for LiveEntityPhysicsHostOwnershipTests (19->0) and
- EquippedChildProjectionWithdrawalTests child/embedded-parent spawns (23->0);
- (3) conductor-completion where legacy direct application now requires a released residence
- (NoPositionCreateParent test: CompleteFirstEntry before TryApplyCreateParent).
-- Headless: 77/77 GREEN. The 3 SynchronizeLocalPlayer-era tests rewritten CONDUCTOR-DRIVEN with the real
- host wiring (host.Start -> RegisterEntityWithInitialResidence -> drive controller constructed BEFORE
- registration -> HeadlessSessionWorldProjection pump). All original assertions preserved verbatim
- (controller identity, LocalEntityId, positions, PortalSpace/InWorld, CenterCount 3/2, receipt-validation
- no-authority invariants). Coverage not shrunk; WorldProjectionHydratesCanonicalMovementAndTeleportState now
- doubles as a headless first-entry integration flow.
-- Runtime: 982/982 GREEN (incl. probe-restoration build).
-- Autowalk probes RESTORED at the Runtime site (diagnostic-owner pattern, PhysicsDiagnostics.ProbeAutoWalkEnabled):
- [autowalk-target] + [autowalk-end reason=interrupt] in RuntimeLocalPlayerPhysicsPublicationState.Prepare's
- host/motion closures; [autowalk-end reason=complete] retained App-side on the approach-lifetime MoveToComplete.
-
-## Expectation changes
-(Continuation 4 — the logged pass. Clause key: (1) suppressed-until-receipt
-visibility; (2) undriven-residence semantics; (3) residence-gated
-Place/Withdraw with ExecutorCompleted as the presentation-binding receipt;
-(4) sealed-setter lifecycle routing. Where the true mechanism is committed
-C3a/C3b/C3-1 residence design the clause labels do not literally name —
-SameIncarnationCreate FIFO staging (AD-59), conductor-built bodies at Create
-(C3b), no create-authority advance outside the residence transaction — the
-line cites the closest clause PLUS the design mechanism; all such lines are
-flagged [interp] for coordinator veto.)
-
-1. CurrentGameRuntimeAdapterTests.DirectAndGraphicalHosts_ProduceIdenticalEntityObjectTrace
- → old: both hosts register + hand-driven apply chain produce identical
- entity-object traces → new: at the deliberate zero generation BOTH hosts
- refuse the initial Create transactionally with the identical structural
- error ("cannot acquire a structurally valid initial residence lease"),
- identical EMPTY traces, zero entity/object counts → clause (2). Full
- driven-flow parity moved to the new C3c integration tests.
-2. UpdateFrameOrchestratorTests.GameplayInputOwnersUseTypedSeamsWithoutGameWindowBackReferences
- → old pinned PlayerModeController source order: PreparePositionForCommit
- → EnterChaseMode → SelectStableHostWithoutRebind → SyncPose →
- InstallOrRebind → SetPosition(initial) → CommitPreparedPosition →
- `_controllerSlot.Controller = controller` → IsPlayerMode=true → new pinned
- order: controller.IsRuntimePublished gate → EnterChaseMode → SyncPose →
- `_hostSlot.Host = playerHost` → IsPlayerMode=true → clause (4) (the
- deleted markers were exactly the App-side controller construction+commit).
-3. LiveEntityHydrationControllerTests.CompletedSpatialRecovery_DetectsCreateVersionDriftWithoutNestedHydrationRequest
- → old: PositionSequences [1,1,2], last purpose CreateSupersessionRecovery,
- InstalledCreateIntegrationVersion 2UL → new: [1,1], SpatialRecovery, 1UL
- → clause (3) [interp]: a post-residence same-generation Create is
- description-only at registration; its position churn flows through the
- freshness-gated events tail; create authority advances only inside the
- residence transaction, so no drift-replay fires.
-4. LiveEntityHydrationControllerTests.TimestampCallbackFresherSameGeneration_StopsOuterCreateVersion
- → old: single materialize from the nested newer spawn (PositionSequences[0]
- == 2) → new: single materialize from the admission-frozen seq-1 create
- (== 1); the seq-2 facts commit at the executor drain in array order →
- clause (3) [interp, AD-59 FIFO staging].
-5. LiveEntityHydrationControllerTests.ObjectRemovalCallbackFresherSameGeneration_WinsOuterReplacement
- → old: last materialize seq 3 + DoesNotContain(2, Skip(1)) → new: last
- materialize is the admission-frozen seq-2 replacement + DoesNotContain(3)
- (the seq-3 facts commit at the drain and never re-materialize) →
- clause (3) [interp, AD-59].
-6. LiveEntityHydrationControllerTests.FailedCompletedSupersession_RemainsPendingUntilExactRetry (both rows)
- → old: InstalledCreateIntegrationVersion == (retryFromLandblock ? 2 : 3)
- → new: == 2 in both rows (the retry retransmit no longer advances create
- authority) → clause (3) [interp]. Drift probe swapped from a nested
- OnCreate to record.Canonical.AdvanceCreateAuthority() (the drain-stage
- advance) so the retained-obligation/exact-retry machinery under test
- still fires; every other assertion verbatim.
-7. LiveEntityInboundAuthorityGateTests.Position_CanonicalInventoryObjectIsAcceptedBeforeProjectionExists
- → old: accepted.PositionAuthorityVersion == 2 (post-apply) → new: == 1
- (admission-time; the merge is queued behind the pending residence and its
- authority advance commits at the drain) → clause (2).
-8. Probe swaps with ALL assertions verbatim (logged for transparency,
- mechanism = same-generation Creates no longer advance create authority at
- registration; modeled by record.Canonical.AdvanceCreateAuthority(), the
- exact drain-stage advance) [interp, clause (3)]:
- - LiveEntityHydrationControllerTests.CompletedSupersessionReadyFailure_RetriesWholeCommitBoundary (both rows)
- - LiveEntityHydrationControllerTests.ReadyPublisher_RevalidatesExactRecordBetweenEveryStage (3 rows)
- - LiveEntityHydrationControllerTests.ReadyPublisher_RevalidatesAfterReentrantRenderProjectionCallback
- - LiveEntityHydrationControllerTests.EquippedChildReadyCandidate_RejectsVersionAdvancedByPoseCallback
- - LiveEntityCreateSupersessionRecoveryTests.Recovery_CreateVersionAdvanceDuringAppearance_StopsLaterOwners
-9. LiveEntityHydrationControllerTests.ParentSupersession_CompletesAtExactAttachedReadyBoundary (both rows)
- → scenario repairs: (a) parent registered up front (retail queues a child
- Create under an unaddressable parent — R5-1 QueueBlobForObject — instead
- of applying it); (b) drift probe as in item 8; (c) the OnSpawnAction hook
- now mirrors the production relationship owner's sticky-residence
- conversion (AwaitRuntimePlacement → LegacyImmediate) at the
- world→attached kind transition. Assertions verbatim → [interp, clause (3)].
-10. LiveEntityHydrationControllerTests.PositionAfterPickup_ReentersWithSameEntityBodyAndResources
- → body scaffolding changed from seeding a fresh PhysicsBody to capturing
- the conductor-built canonical body (C3b bodies-at-Create; factory now
- throws if missing — a STRONGER assertion). Identity-preservation
- assertions verbatim → [interp, C3b].
-11. LiveEntityRuntimeTests.PhysicsStateAndRemoteBodyStaySynchronizedAcrossEitherArrivalOrder
- → old: seeded RemoteMotionRuntime bodies observe state sync across
- bind/state arrival orders → new: the conductor-built canonical bodies
- are observed (C3b never-clobber forbids seeding a replacement); "arrival
- order" is now SetState-FIFO'd-before-the-drain vs
- SetState-after-completion; the two expected state-flag transforms are
- UNCHANGED → [interp, C3b + clause (3)].
-
-## Remaining at session end (App 50)
-- LiveEntityHydrationControllerTests 21 (supersession/recovery semantics + 5 "publication owner not bound"
- = the fixture drive needs a bound publication chain for isLocalPlayer leases: add
- RuntimeLocalPlayerMovementState+Identity+PublicationState+BindPublication to that fixture);
-- RuntimePlacementPresentationSinkTests 4 (sink behavior changed by design - residence gate + ExecutorCompleted
- presentation; these need logged expectation updates per contract clauses);
-- LiveEntityRuntimeTests 4, LiveEntityPresentationControllerTests 4, remaining consistent-spawn stragglers in
- builders that already carry physics blocks (field-level mismatches), CurrentGameRuntimeAdapterTests 2
- (deliberate zero-generation binds), misc singles.
-- NOT STARTED: the five contract integration tests; Release build; complete solution (-m:1, ACDREAM_PAK_PATH);
- connected gates (blocked behind green automated gates per the pinned gate order).
-- No production regression found: the one suspicious trace (FullCellId=wire-cell in a pickup-supersession test)
- was ruled out against ApplyAcceptedSpawn (object-table only, no cell write) - it is a fixture-flow artifact.
-- Post-log continuation: hydration fixture publication chain bound (Movement/Identity/PublicationState +
- BindPublication + ServerGuid) -> hydration 21 -> 18; App total 50 -> 47 (3,981/4,031). Runtime 982/982 and
- Headless 77/77 re-verified green after all repairs. Nothing staged; protected paths still untouched
- (PlayerModeController touch remains the one sanctioned exception).
-
-## Continuation 2 (guard-zone stop)
-- Hydration fixture now also carries the REAL RuntimePlacementProjectionSubscription (ack-only sink mirroring
- production rules: Discard/ExecutorCompleted ack, Place/Withdraw left for conductors) - fixture is now the
- full production wiring shape (generation + collision generation + publication chain + drive pump +
- subscription). Hydration failures unchanged at 18 => the FIFO-wedge hypothesis is ruled OUT; the 18
- supersession/recovery failures are NOT a simple fixture gap.
-- STOP under instruction-1 guard: the observed symptom (nested same-generation Create during
- RecoverProjection no longer triggers CreateSupersessionRecovery; Assert.Throws sees no throw at line 1247)
- means the initial residence is STILL ACTIVE when the nested create arrives, i.e. the drive after the first
- OnCreate did not complete the conductor in this fixture. Before editing ANY of these 18 tests' assertions I
- need to establish WHY the conductor yields here (candidate: something in the fixture's stub materializer /
- spawn shape leaves the placement deferred or the executor pending) - because if the same yield can happen in
- PRODUCTION's composed path, this is a real flip defect (login supersession burst leaving residences pending),
- not an expectation update. That determination requires a focused diagnostic run I could not complete in the
- remaining session budget.
-- Expectation changes so far: STILL ZERO.
-- Totals at stop: Runtime 982/982, Headless 77/77, App 3,981/4,031 (47 failed, 3 skipped).
-- Items 2-4 (zero-generation adapter tests, physics-block mismatch stragglers, five integration tests,
- Release/solution/connected gates) not reached.
-
-## Continuation 3 — DIAGNOSTIC + CLASSIFICATION (coordinator-directed)
-- Instrumented RuntimeFirstEntryDriveController.DriveOne (yield status + FIFO head + residence-active +
- FullCellId per step, file-logged); ran FailedCompletedSupersession_RemainsPendingUntilExactRetry.
-- YIELD CHAIN (before fix): first and only drive step yielded RejectedToken with residenceActive=False and
- fullCell=0x01010001 ALREADY COMMITTED — the residence was retired out-of-band before the pump ever ran.
-- ROOT CAUSE: the hydration fixture's RecordingMaterializer called the internal
- LiveEntityRuntime.MaterializeLiveEntity overload WITHOUT the residence parameter -> LegacyImmediate ->
- legacy RebucketLiveEntity fall-through (LiveEntityRuntime.cs:777) -> CommitRebucket committed the wire cell
- and advanced placement/spatial authority -> residence IsCurrent detected the out-of-band commit and retired
- the lease -> conductor correctly RejectedToken.
-- CLASSIFICATION: FIXTURE ARTIFACT. Production's route-1 materializer
- (src/AcDream.App/Rendering/DatLiveEntityProjectionMaterializer.cs, MaterializeProjection: residence =
- retainedRecord?.MaterializationResidence ?? AwaitRuntimePlacement) never takes LegacyImmediate for an
- initial world create, so production cannot reach this retirement path. Post-fix diagnostic re-run:
- status=Completed, fullCell committed by the CONDUCTOR, FIFO drained — the drive converges.
-- Fixture fixed at the choke point (stub materializer now passes AwaitRuntimePlacement; subscription upgraded
- to a production-mirroring FixturePlacementSink: Discard ack, ExecutorCompleted ->
- TryApplyInitialCreateCompletionPresentation, Place/Withdraw residence-gated ->
- TryApplyRuntimePlacementProjection). Diagnostics stripped; Runtime rebuilt 0 errors.
-- Result: hydration failures 18 -> 19 (group did NOT shrink; composition changed — the flows now complete
- their conductors and fail on POST-flip semantic assertions: supersession/recovery expectations against
- suppressed-until-receipt visibility + conductor-committed cells). These 19 + the rest of the inventory are
- now genuinely the logged-expectation-update pass (guard rules unchanged, zero changes logged so far).
-- Totals at stop: Runtime 982/982, Headless 77/77, App 3,980/4,031 (48 failed, 3 skipped). No staging/commits.
-
-## Continuation 4 — expectation-update pass + integration tests + gate ladder
-- Session start state re-verified: HEAD 78f1eb18, protected dirty paths intact, nothing staged.
-- Full App run (Release): 47 failed / 3,981 passed / 3 skipped of 4,031 (one fewer
- than the Continuation-3 count of 48; the inventory below is the current truth).
-- Classified inventory: Hydration 19; Withdrawal 6; Sink 4; LiveEntityRuntime 4;
- Presentation 4; RemotePhysicsUpdater 2; CurrentGameRuntimeAdapter 2; singles 6
- (LifecycleStress, UpdateFrameOrchestrator, LiveSessionResetPlan,
- InboundAuthorityGate, CreateSupersessionRecovery, LiveAppearanceAnimation).
-- CLASSIFICATION POLICY DECLARED (auditable): where a required change's true
- mechanism is committed, dual-reviewed C3a/C3b/C3-1 residence design that the
- four clause labels do not literally name (SameIncarnationCreate FIFO staging
- per AD-59; conductor-constructed bodies at Create per C3b; no create-authority
- advance outside the residence transaction), the change is logged under the
- closest clause WITH an explicit mechanism note and flagged in the final
- report for coordinator veto. Verbatim-assertion fixture repairs get no
- clause line per the guard's own exemption, but are listed below.
-
-### Fixture repairs (assertions verbatim, no expectation-change lines)
-1. RuntimePlacementPresentationSinkTests.Fixture.Materialize — normalize the
- stale residence (legacy-immediate materialization commits the wire cell
- out-of-band; the query performs lazy retirement) BEFORE tests capture
- ownership snapshots; previously the retirement happened inside the sink's
- own first residence query and shifted SetPositionOperationCount/
- AwaitingSetPositionPreparationCount 1->0 mid-TryApply. 14/14 green.
-2. LiveEntityProjectionWithdrawalControllerTests.Fixture.Spawn — spawn had no
- Physics block but non-null Position/Setup/Scale + InstanceSequence!=0;
- wrapped with the shared WithConsistentPhysics (sanctioned for block-less
- builders). 6/6 green.
-3. LiveEntityPresentationControllerTests.Fixture.Spawn — builder ALREADY
- carries a physics block; field-level fix only (Timestamps.Instance was
- hardcoded 1 vs the instanceSequence parameter used by guid-reuse tests).
- NO blind wrap; RawState untouched. 12/12 green.
-4. RemotePhysicsUpdaterTests boundary Spawn(ushort instanceSequence, ...) —
- same field-level Timestamps.Instance fix; RawState untouched. Both green.
-5. LiveAppearanceAnimationTests.Capture_... — block-less cellless spawn with
- InstanceSequence 1; WithConsistentPhysics wrap (file's other builder
- already used it). Green.
-
-### Continuation 4 — production changes beyond the inherited diff (both
-### flagged for coordinator review; each is one revertible hunk)
-1. src/AcDream.App/Rendering/EquippedChildRenderController.cs (TryAttach,
- before MaterializeLiveEntity): converts a retained residence-managed
- child's sticky residence AwaitRuntimePlacement → LegacyImmediate at the
- world→attached kind transition. WITHOUT this, equipping a world-created
- (cut-over) item throws at LiveEntityRuntime.cs:655's residence-change
- guard ("cannot change its materialization residence from
- AwaitRuntimePlacement to LegacyImmediate") because the attach path passes
- the default LegacyImmediate — while the flip's own materializer comment
- (DatLiveEntityProjectionMaterializer.cs:712-722) states equipped children
- must carry LegacyImmediate so a later drop-to-world stays legacy "by
- construction". Found via ParentSupersession_CompletesAtExactAttachedReadyBoundary;
- production-reachable (pickup → CreateParent → TryAttach with a retained
- sidecar). This completes the flip's documented design, not new invention.
-2. src/AcDream.App/World/LiveEntityRuntime.cs (RebucketLiveEntity,
- residence-managed branch): while the initial-create residence is still
- ACTIVE, the presentation-only move now refuses (returns false) — the
- completion receipt is the entity's first world-visible moment (clauses
- 1/3). The inherited flip had made the presentation-only move
- unconditional, re-opening the mid-registration reentrancy hazard pinned
- by RuntimePlacementPendingMaterialization_OwnsResourcesWithoutPublishingResidence
- (a resource-registration observer could install a bucket for a suppressed
- record before its placement committed). A STALE residence lazily retires
- inside the same query, so post-residence legacy moves are unaffected; the
- completion-receipt path calls RebucketLiveEntityPresentationOnly directly
- and never crosses this gate.
-
-### Continuation 4 — additional fixture repairs (assertions verbatim)
-6. LiveEntityLifecycleStressTests fixture — generation bind on its private
- lifetime. 7. LiveSessionResetPlanTests.GraphicalResetHost — entity seeded
- through the legacy direct RegisterEntity (session-less GameRuntime has
- generation 0; the subject is reset/teardown retry, not the create flow).
-8. CurrentGameRuntimeAdapterTests.GraphicalObserverFailure — session started
- first (its siblings' existing pattern). 9. Hydration RecordingMaterializer
- — mirrors the production materializer's self-projection branch (committed
- cell + no active residence → presentation-only rebucket); fixed
- PositionAfterPickup/PositionAfterInventoryOnlyCreate spatial-projection
- truth. 10. PartialProjection_IsRetriedInsteadOfMistakenForCompletedHydration
- — models the production per-frame pump (FirstEntry.DriveAll) before the
- streaming recovery (the failed Create unwound before OnCreateCore's own
- pump; an undriven residence leaves FullCellId 0 and streaming candidates
- key off the committed cell). 11. LiveEntityRuntimeFixture.CreateDriven —
- NEW driven variant (collision generation + engine landblock + production
- RuntimeFirstEntryDriveController + ack-only subscription mirroring host
- rules); applied to InitialChildCreate_PreservesParentEventQueued...,
- PositionAfterPickup_RequiresTeleportHookEvenWithEqualTeleportStamp, and
- PhysicsStateAndRemoteBodyStaySynchronizedAcrossEitherArrivalOrder.
-
-### Checkpoint: FULL App suite GREEN — 4,028 passed / 0 failed / 3 skipped
-### of 4,031 (Release). Next: Runtime + Headless re-verification, then the
-### five contract integration tests.
-
-### Continuation 4 — five contract integration tests (all green, real host
-### wiring: registration -> subscription -> RuntimeFirstEntryDriveController;
-### no hand-called conductor sequences)
-NEW tests/AcDream.App.Tests/World/RuntimeFirstEntryHostIntegrationTests.cs
-(fixture: real RuntimeEntityObjectLifetime + generation + committed collision
-generation + LiveEntityHydrationController.OnCreate route + production
-RuntimePlacementPresentationSink behind the real
-RuntimePlacementProjectionSubscription + real drive controller + local-player
-publication chain; materializer is the production-mirroring double):
-1. InitialCreate_ResidenceConductorReceipt_BindsWorldVisibilityExactlyOnce —
- residence begins once, sidecar provably suppressed at materialize time,
- conductor completes inside the Create transaction, exactly one visibility
- edge, world snapshot at the committed pose, all ledgers drained.
-2. DeferredParentCreate_StaysInvisibleUntilParentReplay — unaddressable-parent
- child: no canonical/sidecar/presentation, queued under the parent GUID;
- parent Create replays it (real registration delegate), next-frame pump
- completes the parented conductor; child celless + presentation-suppressed,
- only the parent world-visible.
-3. LocalLogin_PresentationAttachFailure_RetriesWithoutRuntimeRollback — the
- camera/shadow-analog App attach failure (first visibility binding throws)
- AFTER the Runtime commit: published PlayerMovementController
- (IsRuntimePublished) + canonical body + committed cell all survive, the
- completion receipt stays pending, RetryPending() binds presentation with
- the SAME controller instance. NOTE: the literal PlayerModeController
- camera object is not constructed here (its ~20-dependency graph has no
- focused harness); its presentation-only rollback is pinned by the updated
- UpdateFrameOrchestrator source assertions + this receipt-level analog.
-5. GraphicalAndDirectHosts_CommitIdenticalFirstEntryRuntimeFacts — the same
- spawn through the full graphical wiring vs the no-window direct host
- shape (RegisterEntityWithInitialResidence + pump + ack-only subscription)
- commits byte-identical canonical first-entry facts (cell, versions, body
- pose/state/InWorld, snapshot sequence, local id).
-NEW in tests/AcDream.Headless.Tests/HeadlessSessionHostTests.cs:
-4. MissingPreparedCollisionYieldsTypedRetryAndCompletesWhenAvailable — flaky
- IPreparedCollisionSource (Missing -> Loaded) through the REAL
- HeadlessSessionWorldProjection.ProjectSpawn pump: no exception escapes,
- entity stays tracked/pending with no controller and cell 0, the session
- tick's retry pump completes placement + publishes the controller.
-Totals after the tests: Headless 78/78 (77+1); App integration class 4/4.
-
-### Continuation 4 — gate ladder
-1. Complete test projects (Release): App 4,032 passed / 0 failed / 3 skipped
- of 4,035 (4,031 + 4 new integration tests); Runtime 982/982; Headless
- 78/78 (77 + 1 new). GREEN.
-2. dotnet build AcDream.slnx -c Release --nologo: 0 errors, 18 warnings
- (pre-existing test-project warnings; none in files this session touched).
- GREEN.
-3. Complete solution (-m:1, ACDREAM_PAK_PATH=C:\Users\erikn\Documents\
- Asheron's Call\acdream.pak): IN FLIGHT (background).
-4. Connected gates: ACE confirmed listening on UDP 9000 (PID 22100),
- C:\ACE\Server\ACE_Log.txt present, no AcDream.App/acclient processes
- running. Will run after gate 3.
-
-### Continuation 4 — gate ladder RESULT (stopped at gate 4 per pinned order)
-3. Complete solution (Release, -m:1, ACDREAM_PAK_PATH): GREEN — App 4,032/3
- skips (4,035), Bake 15, Cli 4, Content 124, Core.Net 762, Core 4,242/1
- skip (4,243), Headless 78, Runtime 982, UI.Abstractions 543 = 10,782
- passed / 0 failed / 4 skipped of 10,786.
-4. CONNECTED tools/run-connected-world-lifecycle-gate.ps1: **FAIL — STOPPED
- HERE.** Artifacts: logs/connected-world-gate-20260802-122749/
- (report.json Passed=false; capped/ + uncapped-reconnect/ each with
- stdout.log, stderr.log, artifacts/). Both sessions connected, entered
- world as 0x5000000A, ran the 54-command UI probe, requested AND received
- graceful logout confirmation, then CRASHED identically with an unhandled
- System.InvalidOperationException: "A sealed, retired, or discarded
- Runtime movement controller cannot be mutated."
- EXACT CHAIN (identical in both sessions):
- PlayerMovementController.EnsureConfigurationMutable
- (src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:859)
- <- SetCharacterSkills(:1248)
- <- RuntimeMovementSkillProjection.ApplyTo(
- src/AcDream.Runtime/Gameplay/RuntimeMovementSkillProjection.cs:21)
- <- LiveSessionRuntimeFactory.ApplyMovementStats(
- src/AcDream.App/Net/LiveSessionRuntimeFactory.cs:327; recompute
- callback registered at :300 in CreateCharacterBindings)
- <- LiveSessionEventRouter.RecomputePlayerQualities(
- src/AcDream.Runtime/Session/LiveSessionEventRouter.cs:406)
- <- ClientObjectTable.Ingest(WeenieData)
- <- ObjectTableWiring.ApplyEntitySpawn
- <- RuntimeEntityObjectLifetime.ApplyAcceptedSpawn(:926)
- <- LiveEntityHydrationController.OnCreateCore(:298) — an ordinary
- inbound Create datagram, processed AFTER the graceful-logout
- confirmation (stdout timeline: probe -> logout confirmed ->
- post-logout stat-chain recomputes -> crash).
- DIAGNOSIS (report-only, no fix attempted): the flip made the local
- movement controller Runtime-published with a SEALED configuration
- lifecycle (mutable only pre-publication; retired at teardown). The
- character-bindings quality-recompute subscription
- (LiveSessionRuntimeFactory.CreateCharacterBindings ->
- ApplyMovementStats -> controller.SetCharacterSkills) still mutates the
- controller directly on EVERY player-quality recompute; once the
- controller is sealed (published) or retired (logout teardown), that
- mutation throws. This is exactly the review-focus item "Sealed
- Controller setter: audit every compile break's fix — each must route
- through the publication lifecycle" — this site was missed because it is
- a RUNTIME mutation (EnsureConfigurationMutable), not a compile break.
- A fix must decide where server skill updates route post-flip (e.g. the
- Runtime movement-state seam / construction options at first entry +
- a Runtime-owned live-skill channel), which is a production design
- decision outside this session's mechanical remit — per the pinned gate
- order the session STOPS at this failure and reports.
- Secondary observation from the same logs (likely the same defect class,
- recorded for the fixer): after the unhandled exception the shutdown path
- reported "status=AbandonedIncomplete, blocked=native window" with
- Silk.NET "You cannot call `Reset` inside of the render loop!" — a
- crash-path artifact, not an independent bug.
- The nine-stop soak (tools/run-connected-r6-soak.ps1) was NOT run (gated
- behind the lifecycle gate's pass).
-- Nothing staged, no commits at any point; HEAD remains 78f1eb18; the 7
- protected dirty paths + AGENTS.md carry only their inherited state
- (AGENTS.md the sole real pre-existing content diff; PlayerModeController
- touched only by the inherited sanctioned flip surgery — this session
- changed only the marker TEST for it, not the file).
-
-## C3c-F1 — movement-stat application through the Runtime seam
-### Candidate-window investigation (resolved with evidence)
-- The crash state was RuntimeOwnedDormant, not retired: the failing gate run's
- stdout shows the login world-reveal never completed (collision=False at every
- readiness line; event=cancel at logout with completed=False) — first-entry
- activation stayed DeferredCell for the whole session, so
- RuntimeLocalPlayerMovementState held the dormant controller when the
- post-logout ingest recompute fired. EnsureConfigurationMutable throws for
- dormant (PlayerMovementController.cs:848-861: only Standalone/
- CandidatePreparing/RuntimePublished/dormant+groundPhase return).
-- CandidateSealed is UNREACHABLE through the seam: the sealed candidate is
- never installed into the movement owner (CanPrepare requires
- `_movement.Controller is null`, RuntimeLocalPlayerPhysicsPublicationState.cs:908;
- IsCurrent requires CanCommitRuntimeOwnedController(epoch, null), :937-939),
- and Prepare→Commit runs back-to-back inside one synchronous Advance step
- (RuntimeLocalPlayerFirstEntryState.cs:395-431) with no callback dispatch
- between (Prepare's construction is callback-free by design, publication
- state :319-334).
-- RuntimeOwnedDormant IS reachable across pump iterations: Commit installs
- the dormant controller (publication state :436) and Evaluate/CommitActivation
- DeferredCell yields AwaitingActivation with stage kept
- (RuntimeLocalPlayerFirstEntryState.cs:493-497) — inbound quality events pump
- between Advance calls. DECISION: apply-immediately-to-dormant (not
- defer-at-commit) — the dormant instance IS the controller that goes live
- (ActivateRuntimePublication at RuntimeSetPositionState.cs:2464 flips the
- same object), the writes touch only PlayerWeenie fields + the mover-flag
- latch (nothing the activation envelope validates), and the precedent is the
- existing dormant channels RefreshDormantRuntimePhysicsState/Vector
- (PlayerMovementController.cs:735-759) that land accepted server facts on
- the dormant owner mid-window. Deferring would need an activation hook and
- would leave the weenie stale for the activation ground-phase dispatch.
-### Implementation
-- PlayerMovementController: internal ApplyCharacterMovementStats(in snapshot)
- — lifecycle switch (live/dormant apply, terminal typed drop) + private
- ApplyCharacterMovementStatsCore (verbatim body of the deleted
- RuntimeMovementSkillProjection.ApplyTo, field writes not gated setters) +
- internal ReportExhaustionAtMovementBoundary (live-only exhaustion dispatch).
-- RuntimeLocalPlayerMovementState: public ApplyCharacterMovementStats(
- RuntimeMovementSkillState) + public ReportExhaustion() + public enum
- RuntimeMovementStatsApplication {AppliedLive, AppliedDormant,
- DroppedNoController, DroppedIncompleteSnapshot, DroppedDisplacedController}.
- Disposed-owner tolerant (typed drop, not ObjectDisposedException) per J3.6.
-- DELETED src/AcDream.Runtime/Gameplay/RuntimeMovementSkillProjection.cs
- (zero remaining consumers).
-- NEW src/AcDream.App/Net/LiveMovementStatsApplier.cs — owns the
- StaminaExhaustionEdgeTracker + logging; observes the exhaustion edge for
- both applied outcomes, dispatches only AppliedLive (dormant: no in-flight
- movement; activation reads the current stamina gate).
-- LiveSessionRuntimeFactory: constructs the applier; OnSkillsUpdated/
- OnMovementStatsUpdated route through it; ApplyMovementStats +
- _staminaExhaustion deleted; ResetPlayerPresentation resets the applier.
- App keeps zero direct configuration mutations on the stats path.
-### Tests (all green at write time)
-- Runtime (7 new in RuntimeLocalPlayerMovementStateTests): live byte-identity
- vs the old direct path (InqRunRate/InqJumpVelocity/CanJump/JumpStaminaCost/
- OwnPvpFlags), dormant-window write lands on the instance that goes live,
- terminal typed drop with unchanged observables + setter-still-throws,
- sealed-candidate defensive row, absent/incomplete drops, disposed-owner
- tolerance, ReportExhaustion lifecycle gating. 19/19 file total.
-- App (3 new in LiveMovementStatsApplierTests): the REAL crash chain
- (real WorldSession + LiveSessionEventRouter + ClientObjectTable.Ingest of
- the player row + real applier callback) against a retired-installed
- controller — no throw, typed displaced drop logged; dormant-window ingest
- applies + values current at activation; absent/incomplete silent skips.
-### Connected gate run 1 (post stats-fix): FAIL — second site of the same class
-- logs/connected-world-gate-20260802-125907: BOTH sessions confirmed graceful
- logout, then crashed on the SAME EnsureConfigurationMutable throw via the
- OTHER App-side mutation my sweep had already classified residual-unsafe:
- LiveEntityNetworkUpdateController.OnState:1006 →
- PlayerMovementController.ApplyPhysicsState(:366) at the dormant controller
- (post-logout inbound SetState; the login reveal never completes in this
- gate profile so the first-entry controller stays dormant all session —
- same as the original 122749 failure). The stats seam itself WORKED: the
- stdout shows repeated "player: applied server movement stats run=10205..."
- dormant applications with no ingest crash.
-- Disposition per the sweep clause ("route each through the seam or report
- why it is already lifecycle-safe" — this site cannot be reported safe):
- routed through the same owner seam pattern. NOT a guard at the throw site:
- the lifecycle decision moved into the owner.
-### Second routing (inbound local-player SetState)
-- PlayerMovementController.ApplyServerPhysicsState (internal, typed):
- live → exact ApplyPhysicsState body; dormant →
- DroppedDormantActivationOwned (the activation transaction re-reads the
- canonical FinalPhysicsState itself via RefreshDormantRuntimePhysicsState
- at both activation phases, and while the accepted SetState is queued
- behind the initial residence the App push carries that same UNCHANGED
- record value — RuntimeEntityObjectLifetime.TryApplyState:1351-1378 queues
- without advancing the record — so the drop is value-preserving by
- construction); terminal → DroppedDisplacedController. New enum
- RuntimeServerPhysicsStateApplication beside the stats enum.
-- LiveEntityNetworkUpdateController.cs:1005-1018 routes through the typed
- entry (result discarded; comment records both gate crash chains).
-- Tests: Runtime ApplyServerPhysicsState_DormantDropsForActivationAndLiveAppliesExactly
- (990/990 Runtime); App source pin C3cF1ProductionWiringTests.
- LocalPlayerInboundSetState_RoutesThroughTheTypedOwnerEntry (no direct
- ApplyPhysicsState caller remains in the file). App 4,036/3 skips of 4,039;
- Headless 78/78.
-### Connected gate run 2 (130455) — FAIL, root cause classified INHERITED; STOPPED per directive
-- Both sessions ran CRASH-FREE (0 unhandled exceptions; capped alive 7+ min
- until my graceful WM_CLOSE, uncapped alive the full 420 s timeout) — the
- F1 crash-class fixes hold live. 418 login entities + 10,384 total ingested
- cleanly with 158 dormant stat applications.
-- Harness failures: capped "client exited waiting for probe complete" (my
- directed close), uncapped "timed out after 420 s waiting for probe
- complete".
-- Wedge mechanism (link-by-link):
- 1. First-entry conductor Prepares+Commits the DORMANT controller within
- the first frames (stats lines from stdout line 62).
- 2. Activation stays DeferredCell; even after streaming collision readiness
- completes (~40 s, reveal line 223 collision=True ready=True) the
- activation/publication never commits — PlayerModeController logs ONE
- "Runtime first-entry controller ... not committed yet" (line 224,
- PlayerModeController.cs:247-250) and player mode never enters.
- 3. Reveal (kind=Login) completes on readiness alone with
- materialized=False (RuntimeWorldTransitState.Complete:685-720 requires
- Materialized only for Portal kind), then per-frame readiness
- re-acknowledgements spam event=rejected reason=readiness-after-terminal
- (9,000+ lines).
- 4. AcknowledgeWorldViewportVisible never fires (visible=False forever) →
- probe line 5 "timed out waiting for normal world viewport"
- (RetailUiAutomationScriptRunner.cs:308-313; route line 4-5
- tools/connected-world-lifecycle.route.txt) → probe never prints
- complete → harness fails.
-- NOT an F1 regression — three proofs:
- 1. 122749 (zero F1 changes) fails with the IDENTICAL harness failure
- string ("client exited waiting for probe complete", report.json), has
- NO probe-complete/checkpoint/player-mode lines, and its own crash
- (SetCharacterSkills throwing) proves the controller was never published
- there either.
- 2. 122749's login was WORSE pre-F1: the per-Create ingest-recompute throw
- killed the process 26 s in (StartedUtc→FinishedUtc) with only 1 entity
- seen vs 418/10,384 under F1 — the coordinator's "122749 entered world
- normally" premise is contradicted by its own artifacts.
- 3. The F1 write set cannot affect activation currency: the stats core
- touches only PlayerWeenie fields + the OwnPvpFlags latch; the
- activation envelope checks lifecycle/epochs/body identity only
- (RuntimeLocalPlayerPhysicsPublicationState.cs:961-992, :747-775); the
- DeferredCell decision is RuntimeSetPositionState cell-residency
- machinery untouched by this slice.
-- Residual root cause home: the C3c first-entry activation never resolves
- its deferred destination cell in the graphical host (or its pending drive
- entry stops being re-armed) — RuntimeLocalPlayerFirstEntryState.cs:433-501
- (PublicationCommitted → EvaluateActivation/CommitActivation DeferredCell
- loop) against RuntimeSetPositionState's dormant-activation cell gate.
- That is conductor/publication semantics OUTSIDE the F1 contract →
- STOPPED, no fix attempted, per coordinator directive 3.
-- Client terminated via graceful-close discipline (WM_CLOSE → logout
- confirmed by ACE, clean [session] lines, no crash); harness concluded and
- recorded FAIL; artifacts preserved at
- logs/connected-world-gate-20260802-130455/.
-
-## C3c-F2 — the login DeferredCell activation wedge
-
-### Step 1 — artifact re-verification (the pinned contract's evidence chain is
-### WRONG on run 122749; both prior classifications were partly unsound)
-Read directly from the primary artifacts, not from either prior report:
-- 122749 (flip WITHOUT F1), capped/stdout.log is 67 lines TOTAL. It shows
- `[UI-PROBE] running 54 UI probe command(s)` (L52) — that line is the probe
- ANNOUNCING its command count, not 54 commands completing. The reveal shows
- ONLY `event=begin` (collision=False) and ONE `event=readiness`
- (collision=False, ready=False, materialized=False, visible=False), then
- `event=cancel ... visible=False`. The smoke plugin saw 1 entity total.
- report.json StartedUtc -> FinishedUtc = 26 SECONDS for BOTH sessions.
- => the contract's "world became visible / probe's `wait world-visible`
- passed / 54-command probe ran" is falsified. The world was NEVER visible in
- 122749; the process died ~9 s after entering world from the F1 crash, i.e.
- BEFORE the ~40 s collision-readiness edge where the wedge manifests.
-- Consequence: 122749 proves NOTHING either way about post-readiness
- activation (it never got there). The F1 agent's "identical harness failure
- string" proof is equally weak (identical string, different causes: crash vs
- timeout). Both prior attributions are unsound; attribution has to come from
- CODE, not from these two logs.
-- 130455 (flip WITH F1) is the only run that reaches the readiness edge:
- L223 readiness collision=True ready=True; L224 `not committed yet` (ONE
- line); L225 `event=complete ... materialized=False`; then 5,577+
- `readiness-after-terminal`; probe L1193 `wait world-visible 30000` timeout.
-
-### Step 2 — the contract's primary suspect is STRUCTURALLY disproven
-F1's sweep change (LiveEntityNetworkUpdateController.cs:1005-1018) passes
-`record.FinalPhysicsState` into the typed owner entry. The activation cell
-gate reads that SAME canonical value directly off the record —
-RuntimeSetPositionState.cs:1747-1752 builds `canonicalRequest` with
-`MoverPhysicsState = record.FinalPhysicsState`. The activation path never
-reads the controller's copy. A drop on the CONTROLLER therefore cannot
-deprive the activation of anything, "value-preserving" or not. The primary
-suspect cannot produce a DeferredCell wedge. Contract constraint 3's
-"retained-to-activation admission" is not the fix; the real defect is below
-and is entirely inside C3c-flip code that F1 never touched.
-
-### Step 3 — VERIFIED MECHANISM, link by link
-L1. Login: the first-entry conductor prepares the authored mover and
- Prepare+Commits the publication in one synchronous step
- (RuntimeLocalPlayerFirstEntryState.cs:395-431). The controller is now
- RuntimeOwnedDormant (RuntimeLocalPlayerPhysicsPublicationState.cs:433-436)
- — confirmed live by the 158 `player: applied server movement stats`
- dormant lines in 130455.
-L2. Stage PublicationCommitted -> EvaluateActivation -> engine SetPosition
- (RuntimeSetPositionState.cs:1770). The destination landblock's collision
- is still being published (the reveal reports collision=False for ~40 s),
- so the result is DEFERRED.
-L3. CommitActivation -> TryApplyDormantLocalActivationCommit PARKS the
- operation (RuntimeSetPositionState.cs:2066-2107): Stage=AwaitingCell,
- WakeableLostCell=true, CollisionGenerationReady=false, and
- `CollisionGeneration = prepared.DeferredCollisionGeneration`, computed at
- :1939-1940 as `_physics.ExpectedCollisionGeneration(cellId)` = the
- IN-FLIGHT admission's generation G (RuntimePhysicsState.cs:2934-2939).
- Bucket key = (cell, prefix, G).
-L4. ~40 s later the landblock's collision generation commits.
- RuntimePhysicsState.cs:2503 calls
- `SetPosition.CommitCollisionGeneration(lb, G, ready:true)`, which finds
- bucket (cell, prefix, G), verifies `IsSpawnCellReady`, and sets
- `operation.CollisionGenerationReady = true`
- (RuntimeSetPositionState.cs:3886). The push-side `RetryDeferred` is
- deliberately a no-op for this operation — it returns immediately when
- `operation.DormantLocalActivation` is set (:4044-4045) by design: the
- local-player lease must re-enter through the sealed evaluation/commit
- path. So the ONLY door left is the PULL-side rearm on the conductor's
- next Advance.
-L5. Immediately after :2503, `AdvanceCommittedActivation` REMOVES the
- admission from `_collisionAdmissions` (RuntimePhysicsState.cs:2552-2558)
- while leaving `_collisionGenerations[lb] == G` (set at
- BeginCollisionAdmission, :2066). From this instant on,
- `ExpectedCollisionGeneration(cellId)` no longer returns G — with no
- admission it returns `_collisionGenerations[lb] + 1` = G+1
- (RuntimePhysicsState.cs:2940-2944).
-L6. THE DEFECT. The next Advance reaches
- `TryRearmDeferredDormantLocalActivation`
- (RuntimeSetPositionState.cs:1851-1882), whose gate includes
- `operation.CollisionGeneration != _physics.ExpectedCollisionGeneration(
- operation.ExactCellId)` (:1870-1871) -> `G != G+1` -> rearm refused,
- permanently. `ExpectedCollisionGeneration` means "the generation that
- will make me ready" at PARK time and "the next, not-yet-begun generation"
- at WAKE time; the rearm compares against the wrong one. Nothing else ever
- clears WakeableLostCell, so the operation is wedged for the session.
-L7. EvaluateActivation's fallback then reports DeferredCell forever
- (publication state :469-476 -> IsDormantLocalActivationAwaitingCell true),
- the conductor yields AwaitingActivation and keeps its pending entry
- (first-entry state :493-497), the controller never activates, and
- `IsRuntimePublished` stays false -> PlayerModeController.cs:243-251 logs
- "not committed yet".
-L8. SECOND LINK (flip-introduced, independent). `PlayerModeAutoEntry.TryEnter`
- sets `_armed = false` BEFORE invoking EnterPlayerMode
- (PlayerModeAutoEntry.cs:227-228) — a one-shot. Its
- `IsPlayerControllerReady` precondition in the PRODUCTION context is the
- constant `true` (PlayerModeAutoEntry.cs:86). That was harmless pre-flip
- because TryEnter CONSTRUCTED the controller and could not fail on it
- (deleted block, `git diff src/AcDream.App/Input/PlayerModeController.cs`);
- post-flip TryEnter returns false when the conductor has not committed. So
- the single shot is burned on the exact frame readiness flips, and
- `LivePlayerModeAutoEntryContext.EnterPlayerMode` calls
- `_worldReveal.Complete()` UNCONDITIONALLY (PlayerModeAutoEntry.cs:97-101)
- — sealing the reveal (materialized=False) and producing the 5,577
- readiness-after-terminal rejections. The flip's own comment ("auto-entry
- retries on a later frame", PlayerModeController.cs:242) is false as
- written. Ordering note: UpdateFrameOrchestrator.cs:201-207 runs streaming
- -> live frame (DriveAll) -> auto-entry, so with L6 fixed the same frame
- would usually succeed — but "usually" is a race, and the log proves a
- failed attempt burns the shot and seals the reveal.
-
-### Why the existing rearm test never caught L6
-RuntimeLocalPlayerPhysicsPublicationStateTests
-.DeferredCommitWaitsThenRearmsSameLeaseAfterExactGenerationWake (:337-383)
-wakes the operation by calling `SetPosition.BeginCollisionGeneration` /
-`CommitCollisionGeneration` DIRECTLY, bypassing RuntimePhysicsState's
-admission ledger. `_collisionAdmissions` and `_collisionGenerations` therefore
-stay EMPTY, so `ExpectedCollisionGeneration` returns 1 at both park and wake
-and the identity check accidentally holds. Production always goes through
-BeginCollisionAdmission -> CommitCollisionGeneration, which is exactly the
-path that breaks it.
-
-### The fix (2 hunks)
-F2-1 (root cause, Runtime): the rearm's generation identity check compares
-against the LIVE collision generation authority
-(`_physics.CollisionGenerationAuthority`, RuntimePhysicsState.cs:2953-2962 =
-`_collisionGenerations[lb]`), not `ExpectedCollisionGeneration`. Post-commit
-that is exactly G, so the parked lease rearms. Every stale case still
-refuses: a superseding admission or a cancel bumps `_collisionGenerations`
-away from G. Park-side semantics (:1939) untouched — "park against the
-generation that will make me ready" is the established convention shared with
-the remote ParkDeferred path (:3974). No latch is loosened: WakeableLostCell,
-CollisionGenerationReady and IsSpawnCellReady remain mandatory.
-F2-2 (second link, App): `LivePlayerModeAutoEntryContext
-.IsPlayerControllerReady` stops lying — it reports the exact precondition
-PlayerModeController.TryEnter enforces (Runtime-published controller +
-committed EntityPhysicsHost). The one-shot latch, the reveal latch, and the
-readiness-after-terminal rejection are all UNCHANGED; the trigger simply
-cannot burn its shot before the conductor has committed, so
-`_worldReveal.Complete()` runs only on a real entry. PlayerModeController.cs
-is NOT touched by this fix.
-
-### Step 4 — LIVE PROBE CORRECTION (temporary attributed probe, since stripped)
-The Step-3 analysis was right about the parts but wrong about which link fires
-first. A temporary change-only probe on the rearm gate terms and the drive
-controller's local status (env-gated, stripped before the gate) was run against
-ACE. Evidence, run `logs/c3c-f2-probe.out.log` (F2-1 only, no admissibility
-term):
-```
-L61 [c3cf2-rearm] ... ready=False ... gen=1 auth=0 expected=1 spawnReady=True
-L220 [c3cf2-rearm] ... ready=False ... gen=1 auth=1 expected=1 spawnReady=True
-L221 [c3cf2-rearm] ... ready=True ... gen=1 auth=1 expected=1 spawnReady=True
-L222 [c3cf2-drive] local status=RejectedAuthority step=0 pending=59
-```
-- L61: the lease parks at generation 1 with NO admission and NO committed
- generation yet (auth=0), i.e. `ExpectedCollisionGeneration`'s 1UL default.
-- L221: the collision-generation commit marks it ready — and `expected` is
- STILL 1, proving the admission is still registered at that instant: the
- commit reenters the host's first-entry pump between
- RuntimePhysicsState.cs:2503 and the retirement at :2552-2558.
-- L222: the rearm succeeds inside that window, the immediately following
- evaluation fails `TrySealCollisionEvaluationAuthority` on the still-
- registered admission, and because the lease is no longer AwaitingCell,
- EvaluateActivation answers RejectedAuthority — TERMINAL. The conductor
- discards and the drive entry is dropped for the session.
-=> LINK 3 (the reentrant-window rearm) is the DOMINANT live blocker, and it
-fires BEFORE the L6 generation mismatch can. L6 is still real and still
-load-bearing — see the next run.
-
-Second live run with both terms (`logs/c3c-f2-probe2.out.log`):
-```
-L223 [c3cf2-rearm] ... ready=True gen=1 auth=1 expected=1 -> refused (window)
-L224 [c3cf2-rearm] ... ready=True gen=1 auth=1 expected=2 -> REARMED
-L225 [c3cf2-drive] local status=Completed step=0 pending=2
-L230 live: auto-entered player mode for 0x5000000A
-L231 [world-reveal] event=complete ...
-L234 [world-reveal] event=world-visible ... visible=True
-```
-L224 is the direct proof that F2-1 is load-bearing: at the frame the rearm
-actually happens the admission is gone, so `expected` is 2 and only the
-committed authority still equals the parked generation 1. Zero
-readiness-after-terminal lines in the whole run.
-
-### Final fix (3 hunks, all required)
-F2-1 RuntimeSetPositionState.TryRearmDeferredDormantLocalActivation — compare
-the parked generation against `CollisionGenerationAuthority` (the generation
-the collision world HOLDS) instead of `ExpectedCollisionGeneration` (which
-means "the next, not-yet-begun generation" once the admission retires).
-F2-3 same method — refuse the rearm while the destination prefix is not
-evaluable, using the seal's own predicate, now factored as
-`RuntimePhysicsState.IsCollisionEvaluationPrefixAdmissible` and consumed by
-BOTH the seal and the rearm so they cannot drift. This is the same shape the
-remote wake path already had via `TryGetBlockingQuiescence` (:4069-4095).
-F2-2 LivePlayerModeAutoEntryContext.IsPlayerControllerReady — report the
-Runtime first-entry commit instead of the constant `true`, so the one-shot
-guard cannot burn its single attempt (and unconditionally complete the world
-reveal) before the conductor has published the controller.
-
-### Tests
-- NEW RuntimeLocalPlayerPhysicsPublicationStateTests
- .DeferredCommitRearmsAfterProductionAdmissionCommitsItsGeneration — pins
- F2-1; fails pre-fix.
-- NEW RuntimeLocalPlayerPhysicsPublicationStateTests
- .DeferredCommitStaysParkedWhileTheCommittingAdmissionIsStillRegistered —
- pins F2-3; pre-fix it fails with the exact live symptom
- (`Expected: DeferredCell / Actual: RejectedAuthority`).
-- NEW tests/AcDream.App.Tests/Input/C3cF2AutoEntryWiringTests
- .ProductionAutoEntryRequiresTheRuntimePublishedController — pins F2-2
- (source pin; the production context's ~15-dependency graph has no focused
- harness, matching the C3c-F1 precedent).
-- CONVERTED to the production wake path (assertions verbatim; only the wake
- DRIVER changed, from the raw SetPosition seam to the collision admission
- ledger, because the raw seam leaves the ledger empty — a state production
- can never reach, and precisely why these tests missed the wedge):
- RuntimeLocalPlayerPhysicsPublicationStateTests
- .DeferredCommitWaitsThenRearmsSameLeaseAfterExactGenerationWake,
- .DeferredAuthoredActivationSuspendsRowsAndExactWakeRestoresThem,
- RuntimeLocalPlayerFirstEntryStateTests
- .AwaitingActivationRetriesWhileCellUnresolvedThenResumesAfterGenerationWake,
- .DeleteAndSameGuidReincarnationAutomaticallyFreesThePublicationSlotForTheFreshIncarnation.
- All four fail pre-fix once converted.
-
-### Gates
-Runtime 992/992; App 4,037/0/3 skips; Headless 78/78; Release solution build
-0 errors / 18 pre-existing test-project warnings; complete solution (-m:1,
-ACDREAM_PAK_PATH) 10,797 passed / 0 failed / 4 skipped of 10,801;
-`git diff --check` clean.
-
-CONNECTED GATE: logs/connected-world-gate-20260802-135444 — RESULT=FAIL, but
-NOT on the wedge, which is gone in both sessions:
-- capped: login reveal reached world-visible, the probe captured checkpoint
- `capped_login` AND screenshot `capped_login.png`, then teleported
- (`old lb=(169,180) new lb=(9,4)`), and generation 2 (kind=Portal) reached
- materialized=True, visible=True, completed=True. 17,043 entities ingested.
-- uncapped-reconnect: login at cell 0x09040008 reached visible=True,
- completed=True.
-- Zero `readiness-after-terminal` lines, zero "not committed yet", zero
- F1-class controller-mutation crashes in either session.
-
-### BLOCKER (pre-existing, out of C3c-F2 scope) — map-corner landblock
-Both sessions then died identically:
-`System.ArgumentOutOfRangeException (Parameter 'landblockId')` at
-RuntimeSetPositionState.BeginCollisionPrefixQuiescence
-(src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs:783)
-<- RuntimePhysicsState.BeginCollisionPrefixQuiescence(:1993)
-<- RuntimePhysicsState.CommitCollisionGeneration(:2432)
-<- LandblockPhysicsPublisher.AdvanceCompleteOne
- (src/AcDream.App/Streaming/LandblockPhysicsPublisher.cs:626)
-<- LandblockPresentationPipeline.Advance <- StreamingController.Tick.
-Mechanism: the teleport destination is landblock (9,4). The far streaming
-radius is 12 and StreamingRegion only SKIPS out-of-range indices
-(`nx < 0 || nx > 0xFF`, StreamingRegion.cs:80/117/155/225) — it does not skip
-(0,0) — so the window includes landblock id `(0<<24)|(0<<16)|0xFFFF` =
-0x0000FFFF. `CanonicalLandblock` keeps that as 0x0000FFFF, and
-BeginCollisionPrefixQuiescence computes `prefix = landblockId & 0xFFFF0000`
-= 0x00000000 and throws its `prefix == 0u` guard (:781-783). Dereth's
-south-west corner landblock therefore cannot be collision-published, and any
-position within the far radius of it crashes the client.
-This code is untouched by the C3c flip, by C3c-F1, and by C3c-F2 (`git diff
-src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs` contains no change to
-BeginCollisionPrefixQuiescence); it was simply unreachable while login itself
-was wedged — 130455 never left Holtburg and never teleported.
-NOT fixed here, and deliberately not a one-line guard removal: prefix 0 is
-also overloaded as an "absent prefix" sentinel in the same class — e.g.
-ParkDeferred derives `operation.CollisionQuiescenceHeld = collisionPrefixOverride
-!= 0u` (:3975-3978), so a genuine landblock-(0,0) quiescence override would be
-read as "no override". A correct fix needs an explicit has-prefix flag (or a
-nullable prefix), which is a physics-ownership design change outside this
-contract. Recommend a dedicated slice.
-
-## C3c-F3 — corner-landblock prefix-0 sentinel conversion
-
-### Chain audit (complete, every prefix-sentinel site classified)
-CONVERTED (the has-prefix representation is nullable uint for the override
-pair + OperationId-based token presence + explicit landblockId==0 absent-id
-input guards):
-1. RuntimeSetPositionState.cs RuntimeCollisionPrefixQuiescenceToken.IsValid
- (:112) — dropped `LandblockPrefix != 0u`; presence now discriminated by
- OperationId != 0 (monotonic from 1) + CollisionGeneration != 0 (from 1).
- This was load-bearing beyond the crash site: a real prefix-0 token read
- as invalid wedged TryGetCurrentQuiescence (:839/:887/:905 callers),
- permission currency (:886), and TryGetBlockingQuiescence's `excluded`
- term (:3617 — RetryDeferred's restoringQuiescence would have blocked
- itself).
-2. RuntimeSetPositionState.BeginCollisionPrefixQuiescence (:782) — the
- crash-site `prefix == 0u` throw replaced by `landblockId == 0u` (absent
- id), prefix computed unconditionally.
-3. RuntimeSetPositionState.ParkDeferred (:3977-78, :4013-19) — override
- params converted `ulong collisionGenerationOverride = 0UL, uint
- collisionPrefixOverride = 0u` -> `ulong?/uint? = null`;
- CollisionQuiescenceHeld = collisionPrefixOverride.HasValue. Both
- quiescence-token call sites (:2842, :2893) pass values unchanged
- (implicit lift); byte-identical for nonzero prefixes.
-4. RuntimeSetPositionState.ParkCollisionResidents (:3414-17) — `?? 0UL` /
- `?? 0u` collapse removed; `quiescence?.Token.X` now flows null/value.
-5. RuntimePhysicsState.BeginCollisionPrefixQuiescence (:1991) — dead
- `canonical == 0u` (CanonicalLandblock ORs 0xFFFF, never 0) replaced by a
- LIVE `landblockId == 0u` guard.
-6. RuntimePhysicsState.AdvanceCollisionRetirementMutation (:2626) — same
- dead-guard replacement.
-7. RuntimePhysicsState.BeginCollisionAdmission (:2037) — NEW landblockId==0
- guard at the admission entrance: an absent id canonicalizes to
- 0x0000FFFF (the REAL corner landblock), and the old accidental
- commit-time protection (the prefix throw) is gone.
-8. ShadowObjectRegistry.DeriveOutdoorSeed (:651, Core) — `lbPrefix == 0u ->
- no seed` replaced by `landblockId == 0u`; corner-block baked statics now
- derive real seeds 0x0000000N (previously silently dropped from the
- shadow world). Same sentinel class, exercised by the corner collision
- publication chain.
-
-KEPT with justification (no collision with prefix 0):
-- Generation-0 "unbound" sentinel (RuntimeSetPositionState :3727/:3741-45/
- :3811/:3842/:5135/:5180/:5255): generations allocate from 1
- (checked(current+1), Begin throws on 0) — 0 is unreachable as a real
- generation.
-- ExactCellId==0 "absent cell" (IndexDeferred/IndexUnboundDeferred/
- UnindexDeferred): cell-part 0x0000 is not a valid cell; corner cells are
- 0x00000001+.
-- RuntimePhysicsState dead post-canonicalization zero checks
- (ExpectedCollisionGeneration :2932, IsCollisionEvaluationPrefixAdmissible
- :2963, CollisionGenerationAuthority :2977, TrySealCollisionEvaluationAuthority
- Add :3030): CanonicalLandblock never returns 0; harmless dead defensive
- terms, prefix-agnostic. (Noted follow-up: CanonicalLandblock(0) aliases
- cellId 0 -> 0x0000FFFF in these helpers; unreachable with real
- operation cells today, flagged rather than redesigned.)
-- Core PhysicsEngine bare-id compat (:1355/:1362 SampleTerrainWalkableInCell,
- :2093 HasCellSurface): `requestedPrefix == 0` there means "caller passed a
- bare pre-#106 test-fixture id", a different semantic; corner cells resolve
- correctly through the world-position filter. Follow-up cleanup candidate,
- out of this contract's chain.
-- Convention pinned by test: raw input 0x00000000 remains "absent"
- everywhere; landblock (0,0) is addressed by canonical 0x0000FFFF (or any
- cell inside it) — matching what production streaming always passes.
-
-### Tests (7 new, all fail pre-fix / pass post-fix; pre-fix run of the
-### production-chain test reproduced the EXACT 135444 crash signature:
-### ArgumentOutOfRangeException 'landblockId' at RuntimeSetPositionState.cs:783
-### <- RuntimePhysicsState.cs:1993 <- :2432)
-New partial tests/AcDream.Runtime.Tests/Physics/
-RuntimeCollisionPrefixQuiescenceTests.CornerLandblock.cs:
-- CornerLandblockCollisionGenerationCommitsThroughTheProductionAdmissionChain
- (corner 0x0000FFFF + neighbor 0x0001FFFF, empty engine, full
- admission->prepare->stage->seal->commit, ownership converged)
-- CornerResidentParksAndRestoresAcrossAnActivationReplacement (SetPosition
- commit into corner cell; activation replacement parks the resident under
- the prefix-0 quiescence override, wakes, restores)
-- CornerPrefixQuiescenceHoldsAndReleasesExactlyLikeANonzeroPrefix (contract
- test 2: identical held-placement script vs PrefixP, step-for-step log
- parity incl. QuiescenceHeld hold/acquire/cancel/restore)
-- CornerLandblockDemotesAndWithdrawsThroughRetirementMutations
-- AbsentLandblockIdStillCannotBeginQuiescence (id-0 keeps throwing at
- quiescence AND at the new admission-entrance guard; corner token IsValid)
-tests/AcDream.Core.Tests/Physics/ShadowObjectRegistryTests.cs:
-- Register_CornerLandblock_DerivesRealOutdoorSeed
-- Register_AbsentLandblockId_StillKeepsWhenEmpty (passed pre-fix too —
- pins the preserved keep-when-empty guard)
-Two in-flight test corrections during TDD: seeded corner Place asserts
-CommittedHostAcknowledgementPending (the ordinary bound-events commit
-status — over-strict first draft); parity run addresses the corner by
-canonical 0x0000FFFF, not raw 0 (which is the absent sentinel by design).
-
-### Gate ladder
-1. Focused corner tests: 5/5 Runtime + 39/39 ShadowObjectRegistry suite.
- Complete projects: Runtime 997/997 (992+5), App 4,037/3 skips of 4,040,
- Headless 78/78.
-2. Release solution build: 0 errors. Complete solution (-m:1, PAK): running.
-2 (cont). Complete solution (-m:1, ACDREAM_PAK_PATH): 10,804 passed / 0
- failed / 4 skipped (App 4,037/3, Bake 15, Cli 4, Content 124, Core.Net
- 762, Core 4,244/1, Headless 78, Runtime 997, UI 543).
-3. Connected gate: run logs/connected-world-gate-20260802-142539 launched
- against live ACE (UDP 9000 confirmed listening, no stale client); result
- pending.
-4. git diff --check: clean (line-ending metadata warnings only, matching the
- known worktree pattern). Nothing staged.
-3 (result). Connected gate PASS: logs/connected-world-gate-20260802-142539/
- report.json Passed=true, Failures=[], both sessions exit 0, one warning
- ("capped: 25 expected world-edge landblock miss(es)" — the expected
- class). The 135444 corner crash is gone: the capped session completed the
- full route (capped_login, facility_hub, aerlinthe_first, rynthid,
- holtburg_after_dungeon, aerlinthe_revisit checkpoints + screenshots
- under capped/artifacts/), uncapped-reconnect completed
- uncapped_reconnect. Coordinator confirmed and directed the soak.
-5. R6 soak launched (run-connected-r6-soak.ps1, same ACE, detached PID
- 14036); result pending.
-5 (result). R6 soak logs/connected-r6-soak-20260802-143157: RESULT=FAIL per
- the PRIMARY artifact (report.json Passed=false, 37 failures) — the
- coordinator's "concluded successfully" summary was based on the markers
- log (route-complete + graceful close are true) but the pass criterion is
- report.json. Failure class: streamingWork convergence
- (deferredCompletions/deferredAdoptedCpuBytes/pendingPublications=1/
- farBacklog nonzero) at 8 of 9 canonical checkpoints (aerlinthe clean),
- plus Caul plateau loadedLandblocks/totalLandblocks 283->189 and mesh
- cache growth 547->588 / +40.5 MB. No crash, no exception, graceful
- logout confirmed; 9/9 checkpoints + screenshots captured.
- ATTRIBUTION ANALYSIS (verified, not guessed):
- - Last passing soak (logs/connected-r6-soak-20260727-004942.report.json,
- Passed=true, 0 failures) enforced the SAME streamingWork expect-zero
- criterion and met it — but predates the ENTIRE uncommitted C3c
- flip+F1+F2+F3 stack, so it separates {branch} from {baseline}, not F3
- from the flip.
- - F3's blast radius was provably NOT exercised in the failing run:
- grep 0x0000FFFF over the soak out.log = 0 hits (the corner landblock
- never entered any route window), zero exceptions (the new absent-id
- guards never fired), and every F3 conversion is byte-identical for
- nonzero prefixes (pinned by the parity test). The failing criterion is
- streaming/publication convergence — a C3c-flip/F1/F2-era surface.
- - The lifecycle gate 142539 (WITH F3) passed cleanly the same day.
- STOPPED per contract — no retry, no further code work, nothing staged.
-
-## C3c-F4 — soak streaming-convergence regression: DIAGNOSED, STOPPED (no fix landed)
-
-**Verdict: NOT a wedge and NOT in the C3c flip/F1/F2/F3 diff.** It is a
-throughput regression in the committed collision-generation atomic-replacement
-mechanism.
-
-### Named mechanism (link by link)
-1. `StreamingController.DrainAndApply` (src/AcDream.App/Streaming/StreamingController.cs:1662-1690)
- advances the completion-queue head and `break`s when it does not complete —
- at most ONE landblock publication per frame.
-2. `LandblockPresentationPipeline.Advance` stage `publication-index-physics`
- (src/AcDream.App/Streaming/LandblockPresentationPipeline.cs:612-627) charges
- `EntityOperations: PreparationCursor < Entities.Count ? 1 : 0`. A FAR build is
- `Array.Empty()` (PublishAsFar, :419-447), so every step is FREE
- and only the 2 ms elapsed-time ceiling bounds it.
-3. `LandblockPhysicsPublisher.AdvancePreparationOne`
- (src/AcDream.App/Streaming/LandblockPhysicsPublisher.cs:297-309) gates on
- `RuntimePhysicsState.AdvanceCollisionGenerationPreparation`.
-4. That calls `PreparedLandblockCollisionGeneration.AdvanceStagingClone`
- (src/AcDream.Runtime/Physics/RuntimePhysicsState.cs:531-560) →
- `PhysicsEngine.CollisionStagingBuilder.Advance`
- (src/AcDream.Core/Physics/PhysicsEngine.cs:842-925): ONE leaf per step of an
- off-side draft of the COMPLETE collision world minus the target prefix
- (landblock slots, CellStruct, FlatCellStruct, FlatEnvCell, Buildings,
- EnvCells, Terrain, OutdoorCells, shadow-owner slots).
-5. `PhysicsEngine.CommitLandblockReplacement` (:304-321) does
- `stagingCache.CollisionWorld.TransferTo(activeCache.CollisionWorld)` — the
- atomic unit is the WHOLE world, which is why the whole world must be cloned.
-
-### Measured (attributed probes, lifecycle-gate route, since stripped)
-- median 19,736 / p90 32,135 / max 38,021 clone leaves per landblock
- publication; median 3.64 ms CPU each; 1,584 preparations = 8.53 s CPU in one
- 4-minute capped session.
-- Far-queue drain measured at ~10 landblocks/s; `[queue-stale]` showed the head
- seq advancing 234→488→548→603→…→1360 and far count 411→351→296→242→190 —
- the queue drains, it never catches up. `pendingPublications=1` is the one
- head in flight, not a stuck item.
-- `[fifo-wedge]` never fired: `pendingProjections=0`. The placement projection
- FIFO, the sink's C3c residence gate, and the conductors are NOT involved.
-
-### Attribution
-`git log -S CollisionStagingBuilder` → introduced by `6b28ff99`
-"fix(physics): make collision activation starvation-free" (2026-07-31), on top
-of `be94bc9b` (atomic activation, 2026-07-31) / `9b0f59bd` (2026-08-01). The
-last PASSING soak is `a9a822f2` (2026-07-27) — before all three. `git diff`
-touches no file on this path.
-
-### Why no fix landed (contract STOP rule)
-Tried the one semantics-preserving lever: batch 256 leaves per metered
-preparation step. Measured 1.8x (gate far backlog 334→187 / 264→130, loaded
-landblocks 291→438 / 261→395) — real but NOT convergence. It also fails
-`RuntimePhysicsStateTests.DenseResidentWorldAdmissionIsConstantAndMaterializesOneLeafPerStep`
-(tests/AcDream.Runtime.Tests/Physics/RuntimePhysicsStateTests.cs:983,
-`Assert.InRange(step.WorkUnits, 0, 1)`) — one-leaf-per-step is an ASSERTED
-invariant of the slice that introduced the clone. Reverted; tree is byte-identical
-to flip+F1+F2+F3.
-
-Convergence requires the clone to become O(changed) instead of O(resident world)
-— structural sharing in `CollisionWorldState`, or a per-landblock (not
-whole-world) atomic replacement unit. That is a semantics change to the C2-era
-mechanism and belongs to its own slice.
-
-### Secondary symptoms — same mechanism, not separate defects
-`loadedLandblocks` 283→189 and `visibleLandblocks` 30 vs the baseline's 180 are
-the far ring never converging (baseline held 625 loaded at every checkpoint).
-Mesh cache 547→588 / +40.5 MB is different far-ring subsets resident at the two
-visits; retest for a true leak only after convergence is restored.
-
-## C3c-F5 — local-player first-entry contact seeding
-
-### Research (grep-named-first, complete before design)
-- Retail local-player seeding point: `SmartBox::HandleCreateObject` 0x00454C80
- runs `SmartBox::init_player` 0x00455010 then `CPhysicsObj::enter_world`
- (call site 0x00455095; body 0x00516170) for the LOCAL player — the same
- enter_world the non-player branch uses at 0x004550EC. enter_world builds
- SetPositionStruct flags 0x11, calls CPhysicsObj::SetPosition, sets
- `transient_state |= 0x80` (ACTIVE) and HandleEnterWorld — NO contact
- seeding anywhere in it (pseudo-C 284198-284249). Contact arrives from the
- first gravity frame (digest #270 section; find_placement_pos validates the
- spot but records no touch). Local player and remote spawn CONFIRMED to
- share the retail mechanism.
-- Legacy local path (deleted by the flip): BuildControllerAndCamera ran
- Resolve(100f drop) + ResolvePlacement then PreparePositionForCommit ->
- SetPositionCore, which FORCE-seeded `Contact | OnWalkable | Active`
- ("Treat as grounded after a server-side position snap",
- PlayerMovementController.cs:1830-1834) — an unconditional non-retail seed
- (Contact-without-plane, the state the landing family calls
- unrepresentable). The flip deleted the call chain without an equivalent.
-- New path today: conductor -> publication -> dormant activation ->
- PhysicsEngine.SetPosition (faithful port, result.InContact=false for a
- clean placement) -> TryApplyDormantLocalActivationCommit commits
- contact=false -> FinalizeActivation activates. Body starts airborne;
- outbound CanSendPositionEvent (= InContact && OnWalkable,
- PlayerMovementController.cs:1517) stays false -> MTS contact byte 0
- (LocalPlayerOutboundController.cs:203) -> ACE says 'while in the air'.
-- DO-NOT-RETRY compliance: settle passes isOnGround:false + real body (no
- caller-bool seeding); no ContactPlaneValid gating; no forced transients —
- contact only from the sweep's real touch; airborne spawn stays airborne.
-
-### Design (pinned-contract shape)
-- Move RemoteSpawnPlacementSettler (App) -> Core.Physics
- `SpawnPlacementSettler` (public, like PhysicsObjUpdate; Core internals are
- NOT visible to App). Remote caller + tests updated; semantics byte-identical.
-- Seed at RuntimeLocalPlayerPhysicsPublicationState.FinalizeActivation,
- after TryApplyDormantLocalActivationFinalCommit + shadow dispatch +
- IsCommittedActivationSuffixCurrent, before placement dispatch (no
- reentrant-sink hazard; stale-authority path skips the settle). Inputs:
- activation Body/Record key/ActivationPreparation radius+height,
- IsPlayer|EdgeSlide|OwnPvpFlags, Movement.HitGround/Motion.LeaveGround —
- the same callback pair the per-tick landing path uses.
-- Propagation: body transients (a) are THE controller grounded state (b)
- (controller reads _body directly) and THE outbound bit (c)
- (CanSendPositionEvent -> contactByte). No second copy exists.
-
-### Implementation (seams touched)
-1. src/AcDream.Core/Physics/SpawnPlacementSettler.cs — NEW (moved from
- src/AcDream.App/Physics/RemoteSpawnPlacementSettler.cs, deleted; public
- like PhysicsObjUpdate because Core internals are not visible to App).
- TrySettle body byte-identical to the #270 shipped version; only the
- class name/namespace/doc changed.
-2. src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:193 — the
- one legacy remote caller now calls
- AcDream.Core.Physics.SpawnPlacementSettler.TrySettle (unchanged args).
-3. src/AcDream.Runtime/Gameplay/RuntimeLocalPlayerPhysicsPublicationState.cs
- — FinalizeActivation now calls new private
- SettleFirstEntryGroundContact(activation) AFTER
- TryApplyDormantLocalActivationFinalCommit + shadow dispatch +
- IsCommittedActivationSuffixCurrent, BEFORE placement dispatch (no
- reentrant-sink window; stale-authority early return skips the settle).
- Inputs: activation.Body position/cell, ActivationPreparation
- radius/height, IsPlayer|EdgeSlide|OwnPvpFlags,
- Controller.LocalEntityId, Movement.HitGround/Motion.LeaveGround (the
- per-tick landing pair). try/catch matches the existing post-commit
- ground-edge dispatch containment (_activationDispatchFailureCount).
-4. Tests: tests/AcDream.Core.Tests/Physics/SpawnPlacementSettlerTests.cs
- (moved from App.Tests, bodies unchanged, layer rule 6);
- Issue270ProductionWiringTests source pin updated to the new name;
- RuntimeLocalPlayerPhysicsPublicationStateTests +2
- (CommitActivationOnFlatGroundSeedsRetailFirstGravityFrameContact,
- CommitActivationOverVoidLeavesFirstEntryGenuinelyAirborne) + fixture
- moverSphereOriginZ param (default 0 = pre-existing shape);
- RuntimeFirstEntryHostIntegrationTests +2
- (LocalLogin_FlatGround_ReportsGroundedOutboundContactBit,
- LocalLogin_AirborneSpawn_StaysGenuinelyAirborne) + HostFixture
- terrainHeight/moverSphereOriginZ params.
-
-### Gate ladder
-1. Focused: publication-state 92/92 (90+2), first-entry conductor 15/15,
- settler 3/3 (Core), App first-entry integration + issue-270 wiring 8/8.
- Complete projects (Release): Runtime 999/0, App 4,036/3 skips,
- Headless 78/0, Core 4,247/1 skip.
- NOTE (pre-existing, not this slice):
- LandblockBuildOriginTests.FarLoad_StripsEnvCellsAndPhysics... fails in
- DEBUG only — the test feeds an intentional near payload to a FarLoad and
- LandblockStreamer.cs:505 Debug.Assert fires; Release (the gate config)
- compiles it out and it passes. Reproduced 3x isolated in Debug, passes
- in Release; untouched by this slice's diff.
-2. Release solution build 0 warn/0 err; complete solution (-m:1,
- ACDREAM_PAK_PATH): 10,808 passed / 0 failed / 4 skips
- (App 4,036/3, Bake 15, Cli 4, Content 124, Core.Net 762, Core 4,247/1,
- Headless 78, Runtime 999, UI 543).
-3. Connected lifecycle gate: launched against live ACE (process 22100,
- UDP 9000); result pending.
-3 (result). Connected lifecycle gate PASS:
- logs/connected-world-gate-20260802-164432/report.json Passed=true,
- Failures=[], both sessions ExitCode=0, one warning ("capped: 25 expected
- world-edge landblock miss(es)" — the exact 142539/161138 class). All 6
- capped checkpoints + uncapped_reconnect captured with screenshots.
- "while in the air" grep: 0 in capped/stdout.log, 0 in
- uncapped-reconnect/stdout.log (0x042C also 0/0). Note: the two prior
- PASS runs (142539/161138) also contained 0 occurrences — the scripted
- route never surfaced the rejection string; the behavioral proof of the
- fix is the outbound-bit integration tests + the settle assertions, and
- the gate proves no regression.
-4. git diff --check exit 0 (CRLF metadata warnings only, the known worktree
- pattern); nothing staged; no probes added by this slice.
-
-### Register note
-No divergence-register row existed for the #270 compressed settle (it is
-classified as timing compression — it produces exactly the state retail's
-first gravity frame produces); extending it symmetrically to the local
-player follows the same classification. The commit that lands C3c should
-also delete/refresh AD-42 (its cited legacy GameWindow/PlayerModeController
-resolve path no longer exists in the flipped tree) — flagged for the
-closeout, not acted on here (report-only bookkeeping, no doc edits in this
-slice's scope).
-
-### Purple-haze note (observation only)
-The haze script is the Hidden/UnHide materialization path
-(EntityEffectController.PlayTypedFromHiddenTransition — retail set_hidden
-0x00514C60); nothing in it keys off contact/airborne state, so the F5
-contact gap does NOT plausibly drive the re-fire. A re-fired UnHide implies
-the local player's presentation saw a hidden/visibility edge while standing
-— consistent with F4's streaming/publication convergence regression
-re-bucketing the player's surroundings, which remains the plausible driver.
-
-## C3c-R1
-Fix round for review round 1 (contract c3c-r1-fixes.md). Every finding
-verified at source before editing; dispositions below.
-
-### Verification-at-source results (pre-edit)
-- R1 CONFIRMED: CommitPreparedPosition (PlayerMovementController.cs:1784)
- had ZERO production callers post-flip (grep); PreparePositionForCommit
- (called at RuntimeLocalPlayerPhysicsPublicationState.cs:219) uses
- publishSharedState:false and the PositionManager binds at :318 (after the
- position seed), so no login path armed the leash. The final commit
- (RuntimeSetPositionState.cs:2494-2516) is where the accepted position is
- final, the shared cell is published (:2508), and the controller activates
- (:2516).
-- R2 CONFIRMED: LiveEntityRuntime.cs:806-828 keyed the presentation-only
- branch off the sticky enum; post-residence entities skipped CommitRebucket
- (:882-892) + the prepare_to_enter_world clock edges (:897-924). All six
- cited unflipped-route callers verified (grep RebucketLiveEntity).
-- R3 CONFIRMED: RuntimeLiveEntitySessionController.OnSpawned opened the
- residence unconditionally; HeadlessSessionHost builds drive+projection only
- under `_contentLease is { } content` (:539-565); content-less is
- validated-legal (HeadlessConfigurationLoader.ValidateContent :88-98
- returns on null). worldProjection==null is exactly "no drive exists"
- (single production constructor call site).
-- F2 CONFIRMED: SpawnPlacementSettler.cs:61 commits settle.Position;
- settle.CellId never read.
-- F4 CONFIRMED: F3's landblockId==0 guards (RuntimePhysicsState
- .BeginCollisionAdmission :2037-area) throw through
- HeadlessCollisionGenerationTransaction.Begin (:62) reachable from
- CenterOn; the two cited sites passed the raw wire LandblockId unguarded.
-- F5/F6/F7/F8/F9 confirmed as cited (drive `_pending` outside every ledger;
- both route Disposes cleared a SHARED drive unconditionally; far-remote
- DeferredCell park has no wake outside the 3x3 neighborhood; the three
- stale comments; the per-pump TryGetWorldEntity+GetSetupCylinder).
-
-### F3 — STOPPED, pinned design conflicts with source (file:line evidence)
-The pinned probe ("nested production OnCreate, not hand-called
-AdvanceCreateAuthority") cannot produce create-authority drift in the
-items-6/8 tests' post-residence window:
-1. RuntimeEntityObjectLifetime.cs:660-665 — the ExistingGeneration branch
- calls Entities.AdvanceCreateAuthority ONLY when !beginInitialResidence;
- the graphical route always registers with residence
- (LiveEntityRuntime.cs:544-548), so a post-residence same-generation
- Create is description-only.
-2. The FIFO-adoption alternative is closed: ConsumeExecuted removes the
- completed residence entry at Released
- (RuntimeInitialCreateResidenceState.cs:1246-1251), and the fixtures
- complete+release during the initial OnCreate, so TryGetTransaction
- (:729-748) misses and no continuation can be staged post-release.
-3. The executor drain (RuntimeInitialCreateContinuationExecutor.cs:2424-2429)
- is the ONLY production site that advances create authority for an
- existing incarnation - exactly what the hand-call models.
-4. EMPIRICAL: temporarily restoring the nested-OnCreate probe in
- FailedCompletedSupersession_RemainsPendingUntilExactRetry made BOTH rows
- fail "Assert.Throws() Failure: No exception was thrown" (no drift, no
- CreateSupersessionRecovery). Experiment reverted; tree byte-identical
- for that file except nothing.
-Restoring the probe requires either accepting dead drift machinery or a
-test-scenario redesign (drift staged during the ACTIVE-residence window and
-drained mid-recovery by a reentrant pump) - a design call for the
-coordinator, not a probe swap. NOT implemented; reported.
-
-### R4(c) progress-log correction (retail minor M1)
-The C3c-F5 section above says the legacy local force-seed path was
-"deleted by the flip". CORRECTION: the force-seed at
-PlayerMovementController.cs SetPositionCore ("Treat as grounded after a
-server-side position snap", Contact|OnWalkable|Active) still RUNS during
-publication-candidate preparation (PreparePositionForCommit ->
-SetPositionCore) and is then OVERWRITTEN by the faithful activation commit
-(which commits the SetPosition result's contact=false) and the settle. What
-the flip deleted was the CALLER CHAIN (BuildControllerAndCamera's
-Resolve/ResolvePlacement + CommitPreparedPosition), not the seed statement.
-Register row AD-61 records the "overwritten, not deleted" truth.
-
-### Implemented (all others)
-- R1: PlayerMovementController.ArmConstraintLeashAtCommittedPlacement
- (internal, published-guarded) + RuntimeLocalPlayerPhysicsPublicationState
- .ArmFirstEntryConstraintLeash called in FinalizeActivation after the
- final commit + shadow dispatch, inside the IsCommittedActivationSuffixCurrent
- gate, BEFORE the settle; exactly-once via `_activation = null` preceding
- the suffix. Ordering justified in the new doc comment with file:line.
-- R2: the public RebucketLiveEntity now suppresses ONLY while
- HasActiveInitialCreateResidence (exact-token activity view); post-residence
- falls through to the FULL legacy branch (CommitRebucket + clock edges).
- RebucketLiveEntityPresentationOnly is now called only from
- TryApplyInitialCreateCompletionPresentation.
-- R3: content-less direct host (worldProjection null) registers via
- RegisterEntity + direct accepted-frame commit (exact pre-flip shape),
- with the C4/C5 revisit note.
-- R4: register AD-61 filed (local-player settle compression, overwritten
- force-seed, settle-CellId caveat); AD-42 refreshed (repointed at
- RemoteTeleportController.ResolvePlacement + headless portal resync;
- login split retired); section count 46->47.
-- F1: LiveEntityRuntime.ConvertMaterializationResidenceToLegacyImmediate
- (throws while residence active); EquippedChildRenderController uses it.
-- F4: `{ LandblockId: not 0u }` guards at both cited CenterOn sites.
-- F5: RuntimeEntityObjectOwnershipSnapshot.FirstEntryDrivePendingCount
- (IsConverged-gated) + RegisterFirstEntryDriveOwnership; the drive
- registers its pending-count provider at construction.
-- F6: RuntimeFirstEntryDriveController.AttachRoute/DetachRoute one-route
- latch (Clear deleted); GraphicalSessionEventRoute + HeadlessSessionEventRoute
- attach/detach with `this`.
-- F7: RuntimeAuthoritativePositionRouteClassifier.ToCellessCreateRoute
- (exact Parented/PickedUp branch shape, preserving authority/operation/
- collision-batch); RuntimeInitialCreateResidenceState.TryConvertToCellessRoute
- (active+unplaced only: ForgetExactPlacement + lease rewrite +
- PublishCancellation + retirement fan-out for conductor progress reset,
- entry retained); RuntimeEntityObjectLifetime
- .TryConvertInitialResidenceToCellessRoute facade;
- IHeadlessCollisionNeighborhood.IsWithinServiceWindow (3x3 around the
- requested center; no-center = within) consumed by
- HeadlessSessionWorldProjection.ProjectSpawn for far remotes before the
- pump.
-- F8: both conductor "nothing calls Advance in production" headers
- corrected; PlayerModeController's two false "auto-entry retries" claims
- replaced with the actual disarm-before-invoke semantics (verified against
- PlayerModeAutoEntry.TryEnter :232-248 - _armed=false precedes the
- invoke, and a throw propagates before the context's reveal Complete()).
-- F9: the graphical activation-preparation provider caches the resolved
- setup cylinder per incarnation (keyed by LocalEntityId; unresolved
- results not cached; shadow disposition stays live - it is validated
- against the exact registry at activation commit and may change between
- pumps).
-
-### New tests
-- Runtime: CommitActivationArmsTheLoginConstraintLeashAtTheCommittedPlacement,
- CommitActivationNeverRearmsTheLeashOnAStaleRetry (publication suite);
- ContentLessDirectSink_KeepsPreFlipLegacyRegistration,
- FirstEntryDriveServesOneRouteAtATimeAndScopesClearToTheOwner
- (session-controller suite; DirectSinkOwnsCanonicalCreateUpdateDelete...
- updated to pass a world projection so it keeps exercising the residence
- route per R3's semantics).
-- App: PostResidenceRebucket_TakesTheFullLegacyPathIncludingTheClockEdge
- (active-suppression + F5 ledger visibility + retired->legacy CommitRebucket
- + the pending-reentry clock rebase),
- ResidenceConversionToLegacyImmediate_RefusesWhileTheResidenceIsActive.
-- Headless: FarRemoteCreateCompletesCelllessWithoutPinningItsResidence
- (+ Spawn(guid, cellId) helper param; FixtureCollisionNeighborhood
- implements IsWithinServiceWindow).
-- One in-flight test correction during TDD: the leash test's anchor
- assertions initially assumed the committed placement kept the raw spawn
- Z=3; the faithful placement transaction already floor-snaps (2.705), so
- the anchor asserts the committed floor-snapped band + committed cell.
-
-### Gate ladder (this round)
-1. Runtime 1,003/1,003; App 4,038/3 skips of 4,041; Headless 79/79.
-2. Release solution build: 0 errors. Complete solution (-m:1,
- ACDREAM_PAK_PATH): 10,815 passed / 0 failed / 4 skipped of 10,819
- (App 4,038/3, Bake 15, Cli 4, Content 124, Core.Net 762, Core 4,247/1,
- Headless 79, Runtime 1,003, UI 543).
-3. Connected gate run 1: logs/connected-world-gate-20260802-174811 —
- Passed=false, ATTRIBUTED TO USER INTERFERENCE per the coordinator
- (the user manually drove the client, including a teleport, during the
- run). Fingerprint: every failure at the capped_login checkpoint only
- (transitOwnership.activeTeleportCount=1 at the stable checkpoint,
- activeRevealCount=1, pendingDestinationReadinessCount=1,
- hostProjectionCount=1, reveal/viewport/composites/collision not ready,
- 216 staged mesh uploads + 44 composite warmups mid-stream to the manual
- teleport destination). No crash, no exception; only the expected
- world-edge warning class. Coordinator sanctioned exactly ONE clean
- re-run (external interference, not a blind retry); graceful-close
- discipline held (no stale client process, ACE endpoint intact).
-4. git diff --check: exit 0 (CRLF metadata warnings only, the known
- worktree pattern); nothing staged.
-3 (result). Sanctioned clean re-run PASS:
- logs/connected-world-gate-20260802-175401/report.json Passed=true,
- Failures=[], only the expected world-edge warning — the established
- passing signature (142539/161138/164432 class). 174811 interference
- attribution confirmed. Round complete; nothing staged.
-
-## P1 — origin-recenter retirement-receipt exception loop
-
-Root cause pinned in
-`p1-retirement-receipt-loop.md`. An already-detached landblock can retain
-live projections in `GpuWorldState._pendingByLandblock` while its one exact
-full-cleanup ticket advances. The recenter swap incorrectly promoted that
-pending-only spatial bucket into a second full presentation receipt. The
-coordinator rejected the duplicate correctly, but the controller's broad
-resume catch replayed the already-committed detach 243 times in the captured
-feel-test session.
-
-Implemented:
-
-- pending-only live buckets are retained through `_projectionLocations` but
- no longer manufacture a landblock retirement receipt;
-- loaded/pending-render/pending-near/tier/bounds owners still receive exact
- receipts;
-- a genuine receipt-ledger invariant after the spatial commit is surfaced as
- a committed `StreamingMutationException` and cannot enter retry work;
-- the existing duplicate-receipt guard remains unchanged.
-
-TDD evidence: the new pending-only regression failed before the source edit
-(`Assert.Empty`, one receipt returned) and passes afterward. The production
-controller/recenter regression and committed-invariant fail-fast regression
-also pass. Focused `OriginRecenter` group: 20/20.
-
-Final gates: Release build passed; the complete Release suite passed
-10,815/10,815 with 4 skips; the connected lifecycle gate passed at
-`logs/connected-world-gate-20260802-203751/report.json`; and the nine-stop
-soak passed at `logs/connected-r6-soak-20260802-204309.report.json` with all
-9 canonical checkpoints, zero failures, zero wait cues, zero pending
-landblock retirements, and zero recurrence of the 243x exception signature.
-
-### F3 addendum (coordinator resolution accepted, implemented)
-Hand-calls KEPT as honest documented models: enriched comments at all six
-item-6/8 sites (LiveEntityHydrationControllerTests x5 sites incl. the
-shared item-6/CompletedSupersessionReadyFailure text,
-LiveEntityCreateSupersessionRecoveryTests x1) citing
-ApplyWeenieDescriptionAction as the sole production site,
-RuntimeEntityObjectLifetime :660-665 !beginInitialResidence gate, and
-ConsumeExecuted. NEW source pin
-tests/AcDream.App.Tests/World/C3cR1F3DriftModelSourcePinTests
-.HandCalledDriftProbe_StillModelsTheExecutorDrainAdvance (single
-_entities.AdvanceCreateAuthority in the executor, inside
-ApplyWeenieDescriptionAction; registration advance still residence-gated).
-Focused files 82/82; Runtime 1,003/1,003; App 4,039/3 skips of 4,042;
-git diff --check exit 0. No staging/commits.
-
-## 2026-08-03 stabilization checkpoint and handoff
-
-Five separately bisectable root-cause fixes followed the O1/O2/O3 checkpoint:
-
-1. `01f4791e` — pending-only live projection buckets no longer manufacture a
- second origin-recenter retirement receipt. Complete Release, lifecycle,
- and canonical nine-stop soak passed on this binary; the soak had nine
- checkpoints, zero failures, zero wait cues, and zero pending retirements.
-2. `670f307c` — Runtime converts remote Create frames through the accepted
- local-player world center and publishes the local physics body's world
- position. The user accepted monster/static placement, chase, and attacks.
-3. `1fc529cd` — distant Use materializes the canonical minimal static physics
- host before MoveTo, and presentation attach reconciles the pre-PartArray
- startup motion suffix. The user accepted near and distant object use.
-4. `f24532ad` — exact-incarnation effect packets wait for canonical
- presentation binding; projectile and static-animation sidecars retry on the
- committed visibility edge; effect cells follow rebuckets. The user accepted
- buffs, recalls, arrows, combat spell projectiles, portals, and statics.
-5. `175ad6b0` — LoginComplete is emitted from the local first-placement
- terminal edge instead of raw PlayerCreate receipt. The user accepted login
- materialization haze behavior.
-
-Post-fix focused evidence: 90 App effect/projectile/static-scheduler tests,
-two Runtime login tests, the exact live-entity cell tracking test, all 79
-Headless tests, and a Release solution build with zero errors passed. The
-complete suite and connected nine-stop soak were not rerun after the final
-four stabilization commits. A broader selected fixture run exposed five
-still-open `LiveEntityRuntimeTests` failures associated with the placement
-cutover and one old remote-first-entry fixture that supplies an empty
-collision source. These are campaign work, not evidence to weaken the new
-production contracts.
-
-Open campaign finish: classify/fix those six fixtures; finish placement routes
-2–7 and delete legacy writers; resolve #276/#277 and portal-prefetch #280; run
-the final-binary complete suite/lifecycle/nine-stop/two-client gates; perform
-the #269 slope-glide visual check; retire AP-1/AD-1/AP-131/AD-60 only when the
-legacy paths are gone; then land AP-22 and AD-10 and close the ledger.
diff --git a/docs/research/2026-08-02-collision-throughput-handoff/p1-retirement-receipt-loop.md b/docs/research/2026-08-02-collision-throughput-handoff/p1-retirement-receipt-loop.md
deleted file mode 100644
index 4621716a..00000000
--- a/docs/research/2026-08-02-collision-throughput-handoff/p1-retirement-receipt-loop.md
+++ /dev/null
@@ -1,95 +0,0 @@
-# P1 — origin-recenter retirement-receipt loop
-
-## Observed failure
-
-`launch-feeltest-oclone.log` contains 243 consecutive failures with this
-shape:
-
-```text
-streaming: origin-recenter preparation will resume:
-InvalidOperationException: Landblock 0xC85AFFFF already has a full
-retirement receipt.
-```
-
-The stack is `StreamingController.TryAdvanceOriginRecenterPreparation` →
-`LandblockPresentationPipeline.DetachAllForOriginRecenter` →
-`LandblockRetirementCoordinator.AdoptDetachedFull`.
-
-## Root cause
-
-An ordinary full retirement detaches every landblock-owned presentation
-resource first, then parks surviving live entities in
-`GpuWorldState._pendingByLandblock` while the exact cleanup ticket advances
-asynchronously (`GpuWorldState.DetachLandblock`, around lines 1188–1314).
-
-The origin-recenter swap incorrectly treated every pending-only live bucket
-as another landblock presentation generation (`GpuWorldState.cs`, former
-lines 1352–1353). It therefore emitted a second full cleanup receipt for the
-same already-retired generation. `LandblockRetirementCoordinator` correctly
-rejected that duplicate at lines 416–425. Because spatial detachment had
-already committed, the broad retry catch in
-`StreamingController.TryAdvanceOriginRecenterPreparation` then repeated the
-detach against the changed state every frame.
-
-The pre-fix regression test
-`OriginRecenterAdoption_PendingOnlyLiveProjectionDoesNotCreateSecondFullReceipt`
-failed because the recenter returned one receipt for the pending-only bucket.
-
-## Retail and reference boundary
-
-Retail destroys one concrete landblock owner synchronously:
-`CLandBlock::destroy_static_objects` (`0x0052FA50`) leaves and deletes the
-landblock's static objects; `CLandBlock::Destroy` (`0x0052FAA0`) releases its
-buildings and landblock data; `CLandBlock::release_all` (`0x0052FCF0`)
-releases the landblock's object and visibility ownership. A live object
-parked outside a loaded landblock is not a second `CLandBlock` and therefore
-cannot create a second landblock-destruction transaction.
-
-The extracted WorldBuilder reference follows the same ownership boundary:
-`ObjectRenderManagerBase` removes an actual `_landblocks` entry before
-`UnloadLandblockResources`, and `PortalRenderManager` only unloads a removed
-`PortalLandblock`. Neither treats an independently parked object as a new
-landblock resource owner.
-
-Acdream retains its approved asynchronous adaptation: the first exact
-receipt owns cleanup, while the live projection survives spatial recentering.
-
-## Fix
-
-- `GpuWorldState.DetachAllForOriginRecenter` no longer creates retirement
- receipts from `_pendingByLandblock` alone. Pending live identities are
- still captured from `_projectionLocations`, cleared atomically, and
- re-parked unchanged.
-- A landblock that also owns loaded, pending-render, pending-near, tier, or
- bounds state still receives its exact full receipt.
-- A receipt-ledger invariant thrown after spatial detachment is now surfaced
- as a committed `StreamingMutationException`; it is terminal rather than
- falsely logged as resumable work.
-- The genuine duplicate-receipt guard remains unchanged.
-
-## Deterministic evidence
-
-- The new pending-only regression failed before the source fix and passes
- afterward.
-- `OriginRecenter_PendingOnlyLiveProjectionKeepsItsExistingRetirementOwner`
- drives the production recenter/controller sequence and proves the origin
- commits while the first cleanup ticket remains pending.
-- `OriginRecenter_CommittedReceiptInvariantFailsFastInsteadOfReplayingDetach`
- proves a genuine post-detach ledger violation surfaces once rather than
- entering a frame-by-frame retry loop.
-- The complete `OriginRecenter` focused group passes 20/20.
-
-## Gate evidence
-
-- Release build: 0 errors (21 pre-existing warnings).
-- Complete Release suite: 10,815 passed, 0 failed, 4 skipped.
-- Connected lifecycle/reconnect gate:
- `logs/connected-world-gate-20260802-203751/report.json` — `Passed=true`.
-- Connected nine-stop soak:
- `logs/connected-r6-soak-20260802-204309.report.json` — `Passed=true`,
- `Failures=[]`, graceful exit, all 9 canonical checkpoints present, no wait
- cue, no pending landblock retirement, no reveal invariant failure, and no
- render-shadow mismatch.
-- The soak artifacts contain zero occurrences of
- `already has a full retirement receipt`; the captured failing session had
- 243.
diff --git a/docs/research/2026-08-02-collision-throughput-handoff/user-observations-feel-test.md b/docs/research/2026-08-02-collision-throughput-handoff/user-observations-feel-test.md
deleted file mode 100644
index 642c6f49..00000000
--- a/docs/research/2026-08-02-collision-throughput-handoff/user-observations-feel-test.md
+++ /dev/null
@@ -1,30 +0,0 @@
-# User feel-test observations — O-slice tree (2026-08-02 ~20:10, uncommitted)
-
-Axioms; they override the gate numbers. Log: launch-feeltest-oclone.log.
-
-1. MONSTERS STILL POP IN while running past — the O-slice did NOT fix the
- user-visible symptom despite the soak's publication convergence.
-2. MONSTERS SPAWNED MID-AIR far ahead at a newly-entered area.
-3. STATICS ("stabs") PLACED INCORRECTLY — visibly wrong static placement.
-4. User: "This is not how retail worked. I could see monsters way in
- front of me."
-5. DOOR APPROACH REGRESSED: using a door no longer walks the character
- to it first. NOTE: likely a COMMITTED C3c regression, not O-slice —
- prime suspect is PlayerModeController's conditional MoveTo bind
- (`if (controller.MoveTo is { } moveTo)` — the flip only binds
- approach callbacks IF the Runtime-owned MoveToManager already exists;
- the legacy path CREATED it via factory at attach). If Runtime's
- MakeMoveToManager runs after player-mode attach (or never for this
- flow), MoveToComplete/approach never wires. Triage first in the C3c
- fix slice; check whether the 175401 gate probe ever exercised a
- door/use-approach (suspect: no coverage).
-
-SMOKING GUN (log): 243x "streaming: origin-recenter preparation will
-resume: System.InvalidOperationException: Landblock already has a
-full retirement receipt." — continuous catch-retry loop during origin
-recenter. Both reviewers redirected with this; the implementer's
-"exposed pre-existing" retirement classification is under re-judgment.
-The catch-and-resume wrapper is itself suspect as a pre-existing
-symptom-swallower (no-silent-catch rule).
-
-STATUS: O-slice commit ON HOLD until every observation is explained.
diff --git a/docs/research/2026-08-02-collision-throughput-handoff/user-observations-smoke-test.md b/docs/research/2026-08-02-collision-throughput-handoff/user-observations-smoke-test.md
deleted file mode 100644
index dc6f6148..00000000
--- a/docs/research/2026-08-02-collision-throughput-handoff/user-observations-smoke-test.md
+++ /dev/null
@@ -1,29 +0,0 @@
-# User in-game observations — 2026-08-02 (~15:40, during the F4 diagnostic run)
-
-Axioms per the retail-oracle rule. User will do a full test session once
-the current work passes; these are the pre-session signals.
-
-1. AIRBORNE-WHILE-STANDING (severe, flip-suspect): repeated
- "[System] You can't do that while in the air!" +
- "You can't do that. (error 0x042C)" x4 + one "WeenieError 0x001D" when
- trying to cast while standing still. Suspect: the conductor placement
- path lacks the legacy spawn path's #270 settle sweep (contact from the
- compressed first gravity frame) -> outbound contact state says
- airborne. Routed to F4 as a lead (unified-hypothesis check); if F4's
- stuck item is not the player, this becomes its own slice (F5) BEFORE
- the C3c commit — casting is core gameplay and blocks the smoke test.
-2. MATERIALIZATION HAZE RE-FIRING while standing still (flip-suspect):
- purple haze re-triggers around the character. Plausibly the visible
- face of the soak's pendingPublications=1 stuck item if that item is
- the local player. Routed to F4.
-3. NO SLIDE ALONG IMPASSABLE SLOPES: walking into too-steep terrain does
- not glide laterally. Likely pre-existing open issue #269 (Campaign P
- slope-slide residual). Verify pre-existence during the review/closeout;
- do not fold into C3c unless evidence says the flip changed it.
-4. /ls DOES NOT WORK: unclear which command surface (chat slash command?).
- Triage at the session; low priority.
-
-Review-focus implication: retail reviewer must verify the flip preserves
-the legacy spawn path's contact seeding (#270) semantics; adversarial
-reviewer must verify the placement publication for the local player
-actually completes and is reaped.
diff --git a/docs/research/2026-08-02-cutover-route-inventory.md b/docs/research/2026-08-02-cutover-route-inventory.md
deleted file mode 100644
index 4b0c5885..00000000
--- a/docs/research/2026-08-02-cutover-route-inventory.md
+++ /dev/null
@@ -1,1042 +0,0 @@
-# Production cutover — 8-route inventory (2026-08-02)
-
-Repo: `C:\Users\erikn\.codex\worktrees\af5e\acdream`, branch `codex/port-claude-agents`,
-HEAD `9ad590dc`. READ-ONLY research; this file is the only write target.
-
-Sources read first:
-- `docs/research/2026-08-02-runtime-continuation-executor-handoff.md` (executor mechanism, complete/dormant)
-- `docs/research/2026-07-31-remaining-physics-campaign-handoff.md` sections "What remains" (prereqs A-E) and "Production route cutover" (routes 1-8)
-- `docs/research/2026-07-31-canonical-set-position.md` (1,880 B/op allocation finding, line 327-333)
-- scratchpad `runtime-surface.md` sections 8-9 (GameRuntime construction, the two legacy `RegisterEntity` call sites)
-
-Key confirmed facts carried in from the map:
-- `RuntimeInitialCreateResidenceState`/executor is a COMPLETE, TESTED, but 100% UNWIRED
- mechanism. Grep confirms (map file, line 545-549) the ONLY two production Create call
- sites are:
- - `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs:76` — `Entities.RegisterEntity(spawn)` (headless/direct-host)
- - `src/AcDream.App/World/LiveEntityRuntime.cs:537` — `_entityObjects.RegisterEntity(...)` (graphical/App)
- Neither calls `RegisterEntityWithInitialResidence`. `CompleteInitialCreateResidence`/
- `AcknowledgeInitialCreateResidenceAdoption` have NO production caller anywhere.
-- `GameRuntime.cs:180-183` constructs `RuntimeEntityObjectLifetime` once as `context.EntityObjects`.
- `BindEventContext` at `GameRuntime.cs:266-269` supplies the generation function
- `() => generationReset.ActiveRetiringGeneration ?? context.Session.Generation`.
-- 1,880 B/op measured on the warmed dormant placement commit/ack route vs a 2,048 B cap
- (`docs/research/2026-07-31-canonical-set-position.md:327-333`) — explicit 4B2 activation
- blocker, not yet resolved (pool/remove envelopes or record an approved budget).
-
----
-
-## Cross-cutting: observer-seam status (grep results)
-
-`IRuntimePlacementObserver` **already exists** as a Runtime-side interface —
-it is NOT vaporware, contrary to a naive reading of "prerequisite D" as
-all-still-to-build:
-
-- Defined `src/AcDream.Runtime/Entities/RuntimeEntityObjectEventStream.cs:18-21`
- (`interface IRuntimePlacementObserver { void OnPlacement(in RuntimePlacementDelta delta); }`).
-- `RuntimeEntityObjectEventStream` (same file) already has the full pub/sub
- plumbing: `_placementObservers` array (line 40), `SubscribePlacement`
- (119-133, copy-on-write add), `UnsubscribePlacement` (356-369), dispatch
- loop (302-310ish inside the drain routine), `PublishPlacement` (164-171,
- builds a `RuntimePlacementDelta(NextStamp(), placement)` and enqueues it
- through the same ordered synchronous drain as entity/inventory deltas).
-- Public host seam: `src/AcDream.Runtime/Physics/RuntimePlacementProjectionChannel.cs`
- (88 lines, read in full) — `Subscribe(IRuntimePlacementObserver)` (31-32,
- thin passthrough to `_events.SubscribePlacement`), `Acknowledge(expectedGeneration, token)`
- (51-55, generation-gated call into `_setPosition.AcknowledgeProjection`),
- `RetryPending` (61-67), `TryPeek` (72-80, non-consuming), `PendingCount` (82).
- This channel is constructed once inside `RuntimeEntityObjectLifetime`'s ctor
- (`Placements = new RuntimePlacementProjectionChannel(Events, Physics.SetPosition)`,
- per the surface map's file-1 section) and exposed on `GameRuntime.Placements`.
-- Receipt shape: `RuntimePlacementProjectionSnapshot` (`RuntimeSetPositionState.cs:210-217`):
- `Token, Kind (Withdraw|Place|Discard — enum at line 57-61), WorldPosition,
- Orientation, CellLocalPosition, InContact, OnWalkable`.
-- **What does NOT exist**: grep across `src/AcDream.App/**/*.cs` and
- `src/AcDream.Headless/**/*.cs` for `IRuntimePlacementObserver`,
- `SubscribePlacement`, or `Placements.Subscribe` returns ZERO matches
- (confirmed via `grep -rln` across both trees; the only hits anywhere in the
- repo outside `src/AcDream.Runtime/` are 5 Runtime-test fake-observer classes
- in `tests/AcDream.Runtime.Tests/**`, e.g.
- `RuntimeInitialCreateResidenceStateTests.cs:2651`,
- `RuntimeSetPositionStateTests.cs:2610`/`2641` (`ThrowingPlacementObserver`),
- `RuntimeCollisionPrefixQuiescenceTests.cs:877`,
- `RuntimeLocalPlayerPhysicsPublicationStateTests.cs:2326`). **Neither host
- has ever constructed a production `IRuntimePlacementObserver` implementation.**
- Prerequisite D ("Add one graphical and one headless `IRuntimePlacementObserver`
- using `GameRuntime.Placements`") is 100% unbuilt on the host side even though
- the Runtime-side plumbing it will attach to is complete and tested.
-
-## Cross-cutting: connected-gate harness (exact scripts/env)
-
-- **Exact lifecycle/reconnect gate**: `tools/run-connected-world-lifecycle-gate.ps1`
- (477 lines, read in full). Drives two sequential `AcDream.App.exe` sessions
- against the always-up local ACE (127.0.0.1:9000):
- 1. `capped` session using route script `tools/connected-world-lifecycle.route.txt`,
- expects exactly 6 named checkpoints (`capped_login, aerlinthe_first, rynthid,
- facility_hub, holtburg_after_dungeon, aerlinthe_revisit`) and 5 screenshots.
- 2. `uncapped-reconnect` session (starts as soon as ACE's own log records the
- first session's transport Disconnect — no artificial settle delay) using
- `tools/connected-world-reconnect.route.txt`, expects one checkpoint
- `uncapped_reconnect`.
- Per-session env (lines 250-281): `ACDREAM_DAT_DIR`, `ACDREAM_LIVE=1`,
- `ACDREAM_TEST_HOST=127.0.0.1`, `ACDREAM_TEST_PORT=9000`,
- `ACDREAM_TEST_USER`/`ACDREAM_TEST_PASS`, `ACDREAM_RETAIL_UI=1`,
- `ACDREAM_FRAME_PROF=1`, `ACDREAM_UNCAPPED_RENDER` (1 for the reconnect leg
- only), `ACDREAM_UI_PROBE_SCRIPT=`,
- `ACDREAM_AUTOMATION_ARTIFACT_DIR=`; several other
- vars explicitly cleared (`ACDREAM_RENDER_BACKEND`, `ACDREAM_NET_DROP_*`,
- `ACDREAM_DUMP_MOVE_TRUTH`, `ACDREAM_WB_DIAG`) to keep the gate a clean
- baseline. `Validate-Checkpoint` (140-227) asserts, per checkpoint: reveal
- readiness/no invariant failures, Runtime environment ownership initialized
- with exactly one active day group, **every `transitOwnership` counter
- (`bufferedTeleportDestinationCount, pendingTeleportStartCount,
- activeTeleportCount, acceptedTeleportDestinationCount, activeRevealCount,
- pendingDestinationReadinessCount, hostProjectionCount,
- pendingHostAcknowledgementCount`) is exactly zero at a stable checkpoint**,
- zero pending live teardowns/landblock retirements/staged mesh
- uploads/composite warmups, and (optionally) zero collision-shadow
- mismatches/faults. Client must exit only via graceful `WM_CLOSE`
- (`Close-ClientGracefully`, 85-92) and ACE's own log must record
- `graceful logout confirmed` + a `PacketHeader Disconnect` drop
- (347-354) — **this cutover MUST add placement-owner counters
- (pending placement receipts, active leases, pending FIFO continuations) to
- this SAME zero-at-stable-checkpoint discipline**, matching the existing
- `transitOwnership`/`resources` pattern, or the gate will not actually prove
- placement convergence.
-- **Canonical nine-stop route**: `tools/run-connected-r6-soak.ps1` (only first
- 60 lines read) driving `tools/connected-r6-soak.route.txt`, 9 named
- checkpoints in order: `caul-baseline, sawato-baseline, rynthid, aerlinthe,
- sawato-return, holtburg, caul-return, sawato-plateau, caul-plateau` (Caul/
- Sawato/Holtburg legs additionally "Exercise"d — likely movement stress, not
- just a static stop). Supports `-Uncapped`/`-DenseTown` switches (DenseTown
- swaps in `connected-dense-town.route.txt` against a single `arwic-dense`
- checkpoint instead). Same env-var family as the lifecycle gate
- (`-SkipBuild`, `-LoginTimeoutSeconds`, `-CollisionShadowEvery`). Historical
- evidence of both capped and uncapped passing runs:
- `docs/research/2026-07-25-slice-g5-production-profile.md:38-39`
- (`logs/connected-r6-soak-20260725-105133.report.json` /
- `...-121035.report.json`).
-- Both scripts require a pre-existing, already-listening local ACE on UDP
- 9000 and a live `AceLogPath` (default `C:\ACE\Server\ACE_Log.txt`) and will
- themselves invoke `dotnet build ... -c Release` unless `-SkipBuild`.
-
-## Cross-cutting: 1,880 B/op allocation budget (4B2 activation blocker)
-
-`docs/research/2026-07-31-canonical-set-position.md:327-333`: "The warmed
-immediate commit/ack route currently measures exactly **1,880 managed bytes
-per operation** in the Release Runtime test host (1,000 iterations after 64
-warmups); the regression gate caps it at 2,048 bytes. This dormant-path
-result is an explicit 4B2 activation blocker rather than a claim of
-allocation-free production readiness: 4B2 must either pool/remove the
-operation and projection envelopes or record an approved measured budget
-before routing frame-frequency placement through this owner." Restated
-verbatim in the executor handoff
-(`docs/research/2026-08-02-runtime-continuation-executor-handoff.md:181-184`).
-**Not yet resolved as of this research pass** — no commit after
-`2026-07-31-canonical-set-position.md` claims pooling/removal of the
-operation/projection envelopes, and the executor handoff still calls it "the
-standing 4B2 activation blocker." This matters most for routes 2 (Local
-ForcePosition, frame-frequency-ish under repeated corrections), 4 (remote
-Position, genuinely per-network-tick high frequency), and 5 (projectile
-per-quantum integration, explicitly excluded from SetPosition routing for
-exactly this reason per route 5's "Do not route ordinary per-quantum
-projectile integration through SetPosition").
-
-## Cross-cutting: `Execute`'s caller-supplied live inputs are unwired in BOTH hosts
-
-`RuntimeInitialCreateContinuationExecutor.Execute` takes an
-`in RuntimeInitialCreateExecutionInputs inputs` parameter
-(`RuntimeInitialCreateContinuationExecutor.cs:47-49`):
-`bool UsePositionFromServer, float PlayerDistance` — doc comment (38-46):
-"Executor-time inputs sampled at the retail decision point. These cannot be
-retained at admission time because they describe LIVE state (the local
-player, the current physics simulation)... contact is NOT one of these — it
-comes solely from the retained wire packet's own `IsGrounded` bit, never from
-a live body query." Both fields feed directly into
-`RuntimeAuthoritativePositionRouteClassifier.ClassifyAcceptedPosition`'s
-`RuntimeAcceptedPositionRouteRequest.UsePositionFromServer`/`PlayerDistance`
-fields (`RuntimeAuthoritativePositionRouteClassifier.cs:137`, consumed at
-line 338 for the LocalPlayer interpolate-vs-not branch and later for the
-Remote/Projectile near/far 96 m threshold). **Grep across
-`src/AcDream.App/` and `src/AcDream.Headless/` for `UsePositionFromServer`
-returns ZERO source hits (only compiled `bin`/`obj` binary matches).**
-Neither host currently computes or tracks a `UsePositionFromServer` concept
-anywhere in production code — this is a genuinely new per-call input a
-cutover caller must supply on every `Execute` call, not something that can be
-threaded through unchanged from an existing option/flag. `PlayerDistance` is
-likely derivable today from existing local-player/WorldEntity state (it is
-NOT a new concept — some form of distance-to-local-player computation
-already exists for other purposes, e.g. streaming radius), but it has never
-been wired specifically into this call contract either.
-
----
-
-## Prerequisite C context (atomic local controller/body publication)
-
-Campaign handoff (`docs/research/2026-07-31-remaining-physics-campaign-handoff.md:203-221`)
-requires ONE Runtime-owned exclusive/versioned controller/body publication
-transaction "respected by **every** canonical body writer" — rejects the
-prior prototype (a snapshot/rollback lease) as failure-atomic-only, not
-reentrant-safe (line 143-168: a nested SetPosition/remote-bind/GUID-reuse/
-clock-epoch-change/disposal racing the open lease could let the outer
-rollback erase newer authority or detach a body another owner already uses).
-
-Today's per-host body construction (both confirmed by direct read, both are
-literally the two things prerequisite C must unify):
-- **Graphical**: `PlayerModeController.BuildControllerAndCamera`
- (`src/AcDream.App/Input/PlayerModeController.cs:244-...`, only the first
- ~140 lines read directly by me) constructs `new PlayerMovementController(...)`
- (line 259-262) directly against `_physics`/`playerRecord.ObjectClock`, wires
- a `MoveToManager` facade and `EntityPhysicsHost` closures over captured
- locals (267-345+), and stores the result in the App-local `_controllerSlot.Controller`
- (not `_runtime.MovementOwner.Controller` directly at this point in the file —
- Agent 1's detailed route-1 report is authoritative for exactly where/whether
- this crosses into `RuntimeLocalPlayerMovementState`/`GameRuntime.MovementOwner`).
-- **Headless**: `HeadlessSessionWorldProjection.CreateController`
- (`src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs:639-655`)
- constructs `new PlayerMovementController(_runtime.EntityObjects.Physics.Engine,
- record.ObjectClock, PlayerMovementConstructionOptions.From(...))` (642-646),
- applies physics state/step heights/movement skills (647-652), and is the
- ONLY production writer of `_runtime.MovementOwner.Controller = controller`
- in the entire repo (confirmed by grep — the graphical host does NOT write
- `_runtime.MovementOwner.Controller` anywhere findable by that exact token;
- it may go through a different Runtime seam — flag as an open question for
- whoever designs prerequisite C: **confirm whether the graphical host's
- built controller is ever actually published into `RuntimeLocalPlayerMovementState`
- the same way headless's is, or whether this is itself an existing
- graphical/headless asymmetry prerequisite C must resolve**).
-- `HeadlessSessionWorldProjection.SynchronizeLocalPlayer`
- (566-615, read in full) is the duplicate placement authority for headless
- route 1/8: calls `_runtime.EntityObjects.Physics.Engine.Resolve(...)` (589-594)
- then `.ResolvePlacement(...)` (595-605) directly, then
- `controller.SetPosition(resolved.Position, resolved.CellId, wirePosition)`
- (610-613) and `controller.SetBodyOrientation(orientation)` (614) — entirely
- independent of `RuntimeSetPositionState`/`RuntimeInitialCreateResidenceState`.
- `HeadlessSessionWorldProjection.BlipLocalPlayer` (617-637) similarly calls
- `controller.BlipPosition(...)` (633-636) directly with no Runtime placement
- commit/ack in between — this is the headless twin of route 2's "direct
- BlipPosition/pre-commit acknowledgement" duplicate authority.
-
----
-
-## Cross-cutting: accessibility is NOT a blocker (correction of an initial hypothesis)
-
-I initially suspected the residence/executor surface being entirely `internal`
-(`RegisterEntityWithInitialResidence`, `InitialCreateResidences`,
-`InitialCreateExecution`, `Execute`, `CompleteInitialCreateResidence`,
-`AcknowledgeInitialCreateResidenceAdoption` — confirmed all `internal` via
-direct grep of `RuntimeEntityObjectLifetime.cs` and
-`RuntimeInitialCreateContinuationExecutor.cs:426`) might block the graphical
-host (a different assembly) from calling them at all. **This is WRONG —
-verify before citing it as a gap.** `src/AcDream.Runtime/AcDream.Runtime.csproj:11-16`
-declares `InternalsVisibleTo` for `AcDream.Runtime.Tests`, **`AcDream.App`**,
-`AcDream.App.Tests`, `AcDream.Core.Tests`, **`acdream-headless`**, and
-`AcDream.Headless.Tests` — both hosts already have full internal-member
-access to `AcDream.Runtime`. Route 1's research agent independently confirmed
-this at the exact same csproj lines. **There is no accessibility barrier to
-either host calling `RegisterEntityWithInitialResidence`/driving the executor
-today** — the reason nobody does is purely that the call sites haven't been
-switched yet, not an assembly-boundary problem. Do not resurrect this as a
-"gap" in the final report.
-
----
-
-## Route 1 — Initial login and CreateObject (from parallel research agent, spot-checked)
-
-### Graphical host chain (wire -> presentation)
-
-1. `src/AcDream.App/Net/LiveEntitySessionController.cs:51-53` — `OnSpawned` wire
- entry, routes `CreateObject` via `RetailInboundEventDispatcher.Run` to
- `LiveEntityHydrationController.OnCreate`.
-2. `src/AcDream.App/World/LiveEntityHydrationController.cs:226-250` — `OnCreate`
- (dormant/stale-generation classification) -> `OnCreateCore`.
-3. `LiveEntityHydrationController.cs:259-262` — `OnCreateCore` (under `_datLock`)
- calls `_runtime.RegisterLiveEntity(spawn)`.
-4. `src/AcDream.App/World/LiveEntityRuntime.cs:526-539`, **line 537**:
- `_entityObjects.RegisterEntity(incoming, RetirePriorProjection)` — the
- LEGACY non-residence call, confirmed exact line from the handoff doc.
-5. `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs:315-322` —
- `RegisterEntity` -> `RegisterEntityCore(incoming, beginInitialResidence:false, ...)`
- — never touches `InitialCreateResidences`/`InitialCreateExecution`.
-6. `LiveEntityHydrationController.cs:288-294` — `ApplyAcceptedSpawn(...)` commits
- the accepted snapshot (still cellless authority, no position/rebucket yet).
-7. `LiveEntityHydrationController.cs:938-1040` (`ProjectExactOnce`), line 1036:
- `_materializer.TryMaterialize(...)`.
-8. `src/AcDream.App/Rendering/DatLiveEntityProjectionMaterializer.cs:407-427` ->
- `MaterializeProjection` (680-857).
-9. **Duplicate authority** — `DatLiveEntityProjectionMaterializer.cs:712-737`:
- `_runtime.MaterializeLiveEntity(..., out expectedRecord)` with the
- `residence` parameter OMITTED, defaulting to
- `LiveEntityMaterializationResidence.LegacyImmediate`
- (`LiveEntityRuntime.cs:596-597`).
-10. `LiveEntityRuntime.cs:589-789` (`MaterializeLiveEntity`) — constructs the
- `WorldEntity` (sets Position/Rotation/ParentCellId directly from
- wire-decoded world position, ~718-729); because residence is
- `LegacyImmediate` not `AwaitRuntimePlacement`, falls through at **line 777**
- to `RebucketLiveEntity(serverGuid, fullCellId)`.
-11. **Duplicate authority** — `LiveEntityRuntime.cs:792-931` (`RebucketLiveEntity`):
- immediately calls `_spatial.RebucketLiveEntity(...)` (spatial bucket
- mutation), sets `IsSpatiallyProjected/Visible`, calls
- `_entityObjects.CommitRebucket(...)` (canonical `FullCellId`/
- `CanonicalLandblockId` write), resets/suspends the object clock — all
- synchronous, no Runtime placement receipt involved anywhere in this path.
-12. `DatLiveEntityProjectionMaterializer.cs:791-820` — builds collision, binds
- projectile runtime; for static-animating physics objects,
- `RegisterAnimation` (859-1021) at **1003-1016** calls
- `_runtime.GetOrCreatePhysicsBody(spawn.Guid, incarnation => new
- PhysicsBody{...}.SnapToCell(...))` — a SECOND, narrower body-construction
- duplicate authority (non-player static-animation bodies).
-13. `LiveEntityHydrationController.cs:739-759`/`1070-1098` — publish-ready via
- `ILiveEntityReadyPublisher.Publish`.
-14. `src/AcDream.App/Input/PlayerModeAutoEntry.cs:214-230` — per-frame guard;
- once `IsPlayerEntityPresent` + `IsWorldReady` (world-reveal, unrelated to
- any Runtime placement receipt) -> `EnterPlayerMode()` ->
- `PlayerModeController.EnterFromAutoEntry`.
-15. `src/AcDream.App/Input/PlayerModeController.cs:126-133,217-242` ->
- `TryEnter` -> **`BuildControllerAndCamera`** (244-525).
-16. **Duplicate authority** — `PlayerModeController.cs:409-413`:
- `_physics.Resolve(playerEntity.Position, initialCellId, Vector3.Zero, 100f)`.
-17. **Duplicate authority** — `PlayerModeController.cs:422-430`:
- `_physics.ResolvePlacement(...)` using a locally computed Setup cylinder
- (`_motionBindings.GetSetupCylinder`) — no shared "exact Setup mover" step.
-18. **Duplicate authority** — `PlayerModeController.cs:449-480`: builds
- `EntityPhysicsHost`/`MoveToManager`, installs via
- `EntityPhysicsHostComposition.SelectStableHostWithoutRebind`/`InstallOrRebind`
- (`src/AcDream.App/Physics/EntityPhysicsHostComposition.cs:16,35`) — its own
- body/controller construction, independent of headless's copy.
-19. Camera — `PlayerModeController.cs:440-447`: constructs
- `ChaseCamera`/`RetailChaseCamera`, `_camera.EnterChaseMode(...)`
- (host-only concern, stays, but must be gated by the Runtime ack not
- ad-hoc resolve success).
-20. **Duplicate authority — final commit** — `PlayerModeController.cs:482-484`:
- `playerEntity.SetPosition(initial.Position); playerEntity.ParentCellId =
- initial.CellId; controller.CommitPreparedPosition();` — direct write,
- bypasses any Runtime `Place` receipt.
-
-### Headless host chain
-
-Same shape as the graphical route through `RegisterEntity`/`ApplyAcceptedSpawn`
-(`RuntimeLiveEntitySessionController.cs:73-95`, see Route 8 section above for
-the full per-line breakdown), then `IRuntimeDirectWorldProjection.ProjectSpawn`
--> `HeadlessSessionWorldProjection.SynchronizeLocalPlayer`
-(566-615)/`CreateController` (639-655) — same duplicate-authority shape as
-graphical hops 16-20, but a SEPARATELY HAND-WRITTEN copy, not shared code
-(confirmed by the codebase's own comment at
-`HeadlessSessionWorldProjection.cs:685-689` contrasting itself with "the
-graphical `PlayerModeController.ApplyStepHeights`"). No headless equivalent of
-graphical hops 12-14/19 exists (no `WorldEntity`/render sidecar/camera).
-
-### What each hop must become / capability gaps (route 1)
-
-- Switch `RegisterLiveEntity`/`OnSpawned` from `RegisterEntity` to
- `RegisterEntityWithInitialResidence` — **no accessibility blocker** (see
- correction above); this is a pure call-site + follow-up-loop change.
-- DELETE `MaterializeProjection`'s direct `RebucketLiveEntity` fall-through;
- pass `residence: LiveEntityMaterializationResidence.AwaitRuntimePlacement`
- (the enum value ALREADY EXISTS and is used by other routes via
- `LiveEntityRuntime.cs:765-776`/`938-1127`'s
- `TryApplyRuntimePlacementPlace`/`Withdrawal` — this route just isn't
- plumbed into it yet).
-- DELETE `PlayerModeController.cs:409-430` (own Resolve/ResolvePlacement) and
- `482-484` (direct SetPosition/CommitPreparedPosition); body/controller
- construction becomes acknowledge-only from the shared Runtime-resolved
- position.
-- DELETE headless `SynchronizeLocalPlayer:589-607` and `610-614` the same way.
-- DELETE the legacy `RegisterEntity` overload entirely once both hosts move
- (`RegisterEntityWithInitialResidence` is already a strict superset).
-- **Gap 1 (real)**: no shared "exact Setup mover" / DAT-preparation API.
- `RuntimeInitialCreateResidenceState.Own` only OPENS the placement slot
- (`TryBeginExclusiveAuthoredPlacement`); nothing in Runtime resolves a
- Setup-derived cylinder/sphere-list and feeds it into
- `RuntimeSetPositionState.SubmitPreparedPlacement`. Today that DAT read +
- Resolve/ResolvePlacement call is hand-duplicated with DIFFERENT defaults in
- App (`_motionBindings.GetSetupCylinder`) vs. headless (hardcoded
- `DefaultRadius=0.48f`/`DefaultHeight=1.835f` unless `_preparedCollision`
- supplies a Setup) — this is exactly prerequisite B, confirmed still open.
-- **Gap 2 (real)**: no shared "atomic Runtime controller/body" owner exists
- anywhere (`RuntimeEntityRecord` has storage slots — `PhysicsBody`,
- `PhysicsHost` — but no construction logic); `BuildControllerAndCamera` and
- `HeadlessSessionWorldProjection.CreateController` are two independently
- written, divergent implementations of the same "build a
- `PlayerMovementController`/host from a `RuntimeEntityRecord`" job. This IS
- prerequisite C, confirmed still unbuilt in production code.
-- **Gap 1 REFINEMENT (verified directly, not from an agent)**: "no shared Setup
- mover API" is not quite right — `RuntimeSetPositionState.PrepareMover`
- (`RuntimeSetPositionState.cs:1079-1133`) + `RuntimeSetPositionMoverPreparer.TryBuild`
- (`RuntimeSetPositionMoverPreparation.cs:69+`) **already exist** as the shared
- authored-mover-preparation API prerequisite B calls for, and
- `SubmitPreparedPlacement` (`RuntimeSetPositionState.cs:2041`) already
- requires `operation.Record.PhysicsBody is not { } body` to be non-null
- BEFORE a placement can even be submitted — i.e. prerequisite C's body must
- exist first, structurally enforced. What's genuinely missing is the HOST
- input: `PrepareMover` takes a `RuntimeSetPositionMoverPreparation` whose
- `Setup` field is a host-supplied `RuntimeSetPositionMoverSetup` (Setup
- table ID + `FlatSetupCollision?`, `RuntimeSetPositionMoverPreparation.cs:23-42`)
- — Runtime does NOT read DAT itself; the host must call
- `IPreparedCollisionSource.ReadSetupCollision(setupId)` (already used by
- headless at `HeadlessSessionWorldProjection.cs:668-679`) and feed the
- result in. **No production call site anywhere chains
- `ReadSetupCollision` -> `PrepareMover` -> `SubmitPreparedPlacement`** — both
- hosts instead read Setup DAT/prepared-collision data ad hoc and call
- `PhysicsEngine.Resolve`/`ResolvePlacement` directly, entirely bypassing this
- already-built pipeline. This is a wiring gap, not a missing-mechanism gap.
-- **Gap 3 (real, previously unstated)**: the executor publishes only generic
- `RuntimeEntityChange` via `_events.PublishEntity`
- (`RuntimeInitialCreateContinuationExecutor.cs:2053-2061`), NOT through
- `RuntimePlacementProjectionChannel`/`Placements` — the channel the existing
- App `TryApplyRuntimePlacementProjection`/headless placement sinks already
- consume for OTHER routes. Whether a residence-driven initial commit
- actually surfaces a `Place` token on the SAME channel other routes use is
- unconfirmed/unbuilt — this bridge must be built, not assumed.
-- Confirms the executor handoff's own claim: zero production callers of
- `Execute`/`RegisterEntityWithInitialResidence` today.
-
----
-
-## Route 2 — Local ForcePosition (from parallel research agent)
-
-Graphical-only (headless equivalent is folded into Route 8's ForcePosition
-branch, already covered above).
-
-### Call chain
-
-`src/AcDream.Core.Net/WorldSession.cs:1767` (wire opcode `0xF748`
-UpdatePosition — same opcode for ordinary and force; "force" is purely a
-`ForcePositionSequence` freshness fact) -> `WorldSession.cs:1774-1786` raises
-`PositionUpdated` -> `src/AcDream.App/Net/LiveEntitySessionController.cs:67-69`
--> `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:1024` `OnPosition`
--> `:1035-1048` `_authorityGate.TryAcceptPosition` ->
-`LiveEntityInboundAuthorityGate.cs:148-206` -> `_liveEntities.TryApplyPosition` ->
-`PhysicsTimestampGate.cs:181-218` `TryAcceptPositionEvent` (retail
-`SmartBox::HandleReceivedPosition` 0x00453FD0 FORCE_POSITION branch) returns
-`ForcePosition` when newer AND `teleport == current teleport stamp` ->
-`LiveEntityNetworkUpdateController.cs:1101-1117` `forceLocal` computed ->
-**`LocalForcePositionTransaction.Apply`** (`src/AcDream.App/Physics/LocalForcePositionTransaction.cs:10-28`,
-**duplicate authority**): `if (!isCurrent()) return false; blip(); acknowledge();
-return isCurrent();` where `blip` = `PlayerMovementController.BlipPosition`
-(`src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:1759-1773`: `_body.SnapToCell`,
-`UpdateCellId` at `:1577-1599` which ALSO publishes the render root via
-`_physics.UpdatePlayerCurrCell`) and `acknowledge` = `LocalPlayerOutboundController.SendImmediatePosition`
-(`src/AcDream.Runtime/Gameplay/LocalPlayerOutboundController.cs:152-185`,
-**sends the outbound `AutonomousPosition` ack BEFORE any Runtime canonical
-commit exists — the exact pre-commit-ack bug the campaign handoff names**).
-Falls through unconditionally into the **generic tail**
-(`LiveEntityNetworkUpdateController.cs:1252-1270`, **second duplicate
-authority**): `entity.SetPosition`/`ParentCellId`/`Rotation` +
-`_liveEntities.RebucketLiveEntity(...)` on the render-facing `WorldEntity` —
-a SECOND independent mutation of the SAME accepted Position, parallel to the
-`PlayerMovementController` body mutated by the first authority (two-store
-divergence, the exact bug class the executor handoff says it already fixed
-for Create).
-
-### What becomes what / gaps
-
-- DELETE `LocalForcePositionTransaction` outright; its job (validate
- ownership, blip, ack-once) becomes `RuntimeSetPositionState.Apply`/
- `BeginAcceptedPlacement` with `RuntimeSetPositionOperationKind.LocalAuthoritative`.
-- `OnPosition`'s force branch reduces to: classify via
- `RuntimeAuthoritativePositionRouteClassifier.ClassifyAcceptedPosition` (its
- `ForcePosition` branch — lines 291-313 — **already produces exactly**
- `SetPositionSimple`, `PreserveHeading: true`, `SendPositionImmediately: true`
- — this route kind is FULLY MODELED already, just unused) -> submit through
- `RuntimeSetPositionState` -> only call `SendImmediatePosition` AFTER commit
- (fixes the ordering bug).
-- `BlipPosition` becomes acknowledge-only (applies the already-committed
- Runtime projection instead of being an independent authority).
-- DELETE the generic tail's second `entity.SetPosition`/`RebucketLiveEntity`
- for the local player (1252-1270) — dead code once the host projects only
- the one canonical result.
-- **Gap (confirmed)**: zero production references to
- `RuntimeAuthoritativePositionRouteClassifier`/`RuntimeSetPositionState`
- anywhere in `src/AcDream.App` for Position handling — tracked by issue
- **#275** ("post-cutover unification of the legacy Position path onto the
- classifier"), cited in both the executor handoff and the divergence
- register's AP-131 row.
-- **Gap (confirmed)**: "reject a stale host ack" already exists structurally
- (`RuntimeSetPositionState.IsPlacementCurrent`/`ConsumeAcknowledgedPlacement`,
- exact-token requirement) but is unwired for Route 2.
-- **Scope note**: the continuation EXECUTOR (`Execute`/FIFO drain) is scoped
- to initial-Create admission, not steady-state Position on an
- already-resident entity — Route 2's correct integration point is
- `RuntimeSetPositionState`/`InboundPhysicsStateController.ApplyAcceptedPositionSnapshot`
- directly, NOT `Execute`. The `AwaitingContinuationPlacement` retry flavors
- are documented generically but demonstrated only for Create — their
- applicability to a live ForcePosition is unproven, not just unwired.
-- The 1,880/2,048-byte allocation budget applies directly here: ForcePosition
- is genuinely frame-frequency-ish traffic.
-
----
-
-## Route 3 — Portal transit and materialization (from parallel research agent)
-
-`LocalPlayerTeleportPlacement` exists verbatim (not renamed) inside
-`src/AcDream.App/Streaming/LocalPlayerTeleportController.cs:183-290`.
-
-### Call chain
-
-Two wire inputs join in `RuntimeWorldTransitState`: **F751 start** (`WorldSession.cs:1972-1987`
-opcode `0xF751`) -> `LiveEntitySessionController.cs:83-85` `OnTeleportStarted`
--> `LocalPlayerTeleportController.cs:436-459` gates on
-`LiveLocalPlayerTeleportAuthority.IsFreshStart` ->
-`PhysicsTimestampGate.IsFreshTeleportStart` and
-`RuntimeWorldTransitState.TryQueueTeleportStart` (`:426-442`). **Destination
-Position** rides the SAME wire path as Route 2, then at
-`LiveEntityNetworkUpdateController.cs:1906-1913` (guarded on `disposition==Apply
-&& guid==playerServerGuid`) calls `_localPlayerTeleport.OfferDestination(...)`
--> `RuntimeTeleportDestinationAdapter.cs:15-36` (pure mapping) ->
-`RuntimeWorldTransitState.OfferTeleportDestination` (`:480-520`). Every frame,
-`LocalPlayerTeleportController.Tick` (`:472-570`) drives:
-`TryAimAcceptedDestination`/`AimDestination` (`:626-734`, classifies via
-`TeleportLandblockTransition.Classify` — streaming-only, no world mutation) ->
-`WorldRevealCoordinator.TryBeginPortal` -> `RuntimeWorldTransitState.TryBeginPortalReveal`
-(mints reveal generation + host projection token). On `TeleportAnimEvent.Place`:
-preflight `RuntimeWorldTransitState.CanPlacePortalDestination` (read-only gate)
--> **`LocalPlayerTeleportPlacement.Place`** (`LocalPlayerTeleportController.cs:214-278`,
-**the duplicate authority**) -> THEN `WorldRevealCoordinator.ObserveMaterialized`
--> `RuntimeWorldTransitState.AcknowledgePortalMaterialized` runs AFTER `Place`
-has already fully mutated world state — **a rubber-stamp, not a gate**. On
-`TeleportAnimEvent.FireLoginComplete`: `_session.SendLoginComplete()` (outbound
-ack) -> `RuntimeWorldTransitState.Complete`.
-
-`LocalPlayerTeleportPlacement.Place` (full method, 214-278) mutates in order:
-`_physics.Resolve(...)` (own collision placement) -> `controller.SetPosition(...)`
-(body+cell) -> `entity.SetPosition`/`ParentCellId`/`Rotation` on `WorldEntity`
--> `_liveEntities.RebucketLiveEntity(...)` (throws on failure) ->
-`_host.Host?.NotifyTeleported()` (retail `teleport_hook` tail) ->
-`controller.SetBodyOrientation(rotation)` -> camera reset
-(`_cameras.Legacy?.Update`/`_cameras.Retail?.ResetViewerToPlayer`, **unique to
-this route vs. Route 2**) -> `_spatial.Reconcile()`.
-`TeleportViewPlaneController` (view-plane/FOV easing) is presentation-only,
-NOT in scope for deletion.
-
-### What becomes what / gaps
-
-- DELETE `Place`'s resolve/controller/world-entity/rebucket/host-notify/
- orientation mutations outright; replace with
- `RuntimeSetPositionState.BeginAuthoredPlacement`/`Apply` carrying a
- populated `RuntimePortalPlacementAuthority`, then project only the
- committed result.
-- Re-sequence `WorldRevealCoordinator.CanPlacePortalDestination`/
- `ObserveMaterialized` to be the ACTUAL gate/confirmation around the
- canonical commit (not rubber-stamps around a host-owned mutation) — i.e.
- materialization fires from the Runtime commit callback, not immediately
- after `Place()`'s direct mutations.
-- Camera reset and `_spatial.Reconcile()` become acknowledge-only reactions.
-- Headless has the analogous duplicate authority in
- `HeadlessSessionWorldProjection.PrepareDestination`/`SynchronizeLocalPlayer`
- (already documented in the Route 8 section above) — must cut over in
- lockstep, same target (`RuntimeSetPositionState`).
-- **Gap (confirmed, important)**: `RuntimeWorldTransitState` (1012 lines,
- Slice J6) already fully owns reveal generation/sequence/destination-cell,
- readiness, materialization/completion/cancellation, and the 4-stage host
- acknowledgement protocol (`ProjectionRegistered -> SimulationReleaseProjected
- -> DestinationReservationReleased -> TerminalProjected`) — but ONLY for
- streaming/render-resource bookkeeping, NEVER for gating an actual placement
- mutation. `RuntimePortalPlacementAuthority` (`RuntimeSetPositionState.cs:64-78`,
- carrying `RevealGeneration`/`TeleportSequence`/`RuntimeWorldHostProjectionToken`)
- is a REAL, VALIDATED constructor parameter on `RuntimeSetPositionCommand.Portal`
- (validated in `BeginAcceptedPlacementCore`, `:978-984`) and
- `LiveEntityRuntime.cs:1162-1171` even has an `IsValidPortalPlacementAuthority`
- presentation-side validator — **but grep across App and Headless finds ZERO
- call sites that ever construct one with `Present: true`.** The binding
- machinery is real but 100% dormant end to end.
-- **Missing for Route 3 specifically**: (a) the adapter that reads
- `WorldRevealCoordinator`'s current generation/sequence/destination-cell/host
- projection token into a `RuntimePortalPlacementAuthority`; (b) the actual
- `RuntimeSetPositionState.BeginAuthoredPlacement` call site using
- `LocalAuthoritative` + that authority (does not exist anywhere today); (c)
- re-sequencing `ObserveMaterialized` to run from the commit callback.
-- **Discard/cancellation semantics** (a stale generation/sequence/cell/token
- must never reveal) look structurally sufficient
- (`RuntimePlacementProjectionKind.Discard`, `IsPlacementCurrent`,
- `RuntimeWorldTransitState.Cancel`/`BeginHostProjectionSupersession`) but are
- UNEXERCISED together for a real placement — treat as an explicit cutover
- test, not an assumed-correct combination.
-- Executor scope note: same as Route 2 — the FIFO/`Execute` mechanism is
- Create-admission-scoped; Route 3's target is `RuntimeSetPositionState`
- directly.
-
----
-
-## Route 4 — Remote CreateObject and Position (from parallel research agent)
-
-### Foundational fact (independently confirmed by this agent AND by direct
-grep during this research pass)
-
-`InboundPhysicsStateController.cs:596-608`'s own doc comment states verbatim:
-"this file's `TryApplyPosition` is today's **only PRODUCTION Position wire
-caller**; the classifier-based path is **test-only** until a host wires the
-executor." `RuntimeEntityObjectLifetime.TryApplyPosition` only enters the
-classifier/executor path when `TryGetPendingInitialResidence` finds an
-in-flight CreateObject continuation (a narrow transient window) — steady-state
-remote UpdatePosition always falls to the legacy unconditional-merge path
-with **no route-classification concept at all**.
-
-### Call chain
-
-`LiveEntitySessionController.cs:67-69` -> `LiveEntityNetworkUpdateController.OnPosition`
-(`:1035`) -> `LiveEntityInboundAuthorityGate.cs:161` `TryApplyPosition` ->
-`LiveEntityRuntime.cs:2116,2135` -> `RuntimeEntityObjectLifetime.cs:1229,1299`
-steady-state branch -> `RuntimeEntityDirectory.cs:478` ->
-`InboundPhysicsStateController.cs:610` (legacy unconditional timestamp-gated
-merge). Then `LiveEntityNetworkUpdateController.cs:1197-1211` computes
-`remoteHardTeleport`/`remotePlacementRequired` from `timestamps.TeleportHookRequired`
-and `_remoteTeleportController.HasPending`; `RunRemoteTeleportHook` (`:1210`)
--> `RemoteTeleportHook.Execute` (`RemoteTeleportHook.cs:17`, CancelMoveTo/
-UnStick/StopInterpolating/UnConstrain/NotifyTeleported/ReportCollisionEnd).
-**Then, UNCONDITIONALLY** (`LiveEntityNetworkUpdateController.cs:1252-1270`,
-**duplicate authority**, BEFORE any placement/teleport branch runs):
-`entity.SetPosition`/`ParentCellId`/`Rotation` + `RebucketLiveEntity`. If
-`remotePlacementRequired`: `RemoteTeleportController.BeginPlacement` (`:269`)
--> `TryApply` (`:117/151`) -> `Resolve` (`:278`) -> `_physics.ResolvePlacement`
-(`:303`) -> `CommitResolved` (`:320`) -> `RemoteTeleportPlacement.Apply`
-(`RemoteTeleportPlacement.cs:15`) -> `PhysicsObjUpdate.CommitSetPositionTransition`.
-Else (ordinary MoveOrTeleport): **inline classification hand-duplicated in
-App**, `LiveEntityNetworkUpdateController.cs:1594-1900` (local constants
-`MaxPhysicsDistance=96f`/`BodySnapThreshold=4f` duplicated for player vs NPC)
-decides far-snap/near-interpolate/airborne-noop/landing, then
-`entity.SetPosition`/`ParentCellId`/`Rotation` + `LiveEntityShadowPublisher.TryPublishRemote`.
-Ongoing per-tick DR: `RemotePhysicsUpdater.cs:220` ->
-`RuntimeRemotePhysicsUpdater.Tick` (`:61`) — interp catch-up + `ResolveWithTransition`
-sweep + shadow sync, independent of SetPosition (retail's continuous
-`UpdatePositionInternal` — NOT itself a wire route, out of cutover scope).
-
-### Duplicate authorities
-
-- `LiveEntityNetworkUpdateController.cs:1252-1270` — position/cell/rotation
- AND full rebucket, unconditionally, ahead of any classification.
-- `RemoteTeleportController.cs:37,77-109` — `_pending` dictionary, rollback
- capture/restore (`:94-109,477-569`), lost-cell tracking
- (`:529-532`) — exactly the bookkeeping the residence+executor's
- 25-second lost-cell lifetime already owns generically.
-- `RemoteTeleportPlacement.cs:43-77` — direct `body.SnapToCell`,
- contact-plane fields, `PhysicsObjUpdate.CommitSetPositionTransition` — a
- hand-rolled SetPosition commit parallel to `RuntimeSetPositionState`.
-- `LiveEntityNetworkUpdateController.cs:1594-1900` — the "ordinary"
- MoveOrTeleport classification hand-duplicated in App, when
- `RuntimeAuthoritativePositionRouteClassifier.ClassifyAcceptedPosition`
- ALREADY implements identical near(<96m,Interpolate)/far(SetPositionSimple)/
- teleport-advanced(SetPosition)/cellless rules (classifier lines 360-439).
-- `RemoteTeleportController.cs:382-475` — `ParkPending`/`OnProjectionVisibilityChanged`
- re-implements deferred-until-visible placement replay, another thing the
- executor's FIFO/replay machinery already generalizes.
-
-### What becomes what
-
-- DELETE outright: `RemoteTeleportController.cs`, `RemoteTeleportPlacement.cs`,
- their pending dictionary/rollback/`ParkPending`, and the pre-placement
- `entity.SetPosition`/`RebucketLiveEntity` at `:1252-1270`.
-- DELETE + replace with classifier delegation: the inline near/far/airborne/
- landing block (`:1594-1900`) -> route through
- `ClassifyAcceptedPosition` + `RuntimeSetPositionState` Begin/Watch/resume.
-- Reduce to acknowledge-only: `RemoteTeleportHook.cs` stays as the App-side
- execution seam, but its trigger condition should come from the classified
- route's `RuntimeTeleportHookPhase`, not the App's own `remoteHardTeleport`
- flag.
-- `RuntimeRemotePhysicsUpdater` per-tick DR is OUT of cutover scope (retail's
- continuous simulation, not a wire route).
-
-### Gap
-
-The classifier's `Remote` branch is FULLY implemented for both `ClassifyCreate`
-and `ClassifyAcceptedPosition` — the only gap is wiring (no production caller
-ever constructs a `RuntimeAcceptedPositionRouteRequest` for a Remote entity
-outside the narrow pending-residence window). The 1,880 B/op budget applies
-directly here too (remote Position is genuinely per-network-tick frequency).
-
----
-
-## Route 5 — Projectile authoritative create/corrections (from parallel research agent)
-
-### Call chain
-
-**Create**: `DatLiveEntityProjectionMaterializer.cs:807` `_projectiles.TryBind` ->
-`ProjectileController.TryBind` (`ProjectileController.cs:133`) — constructs/
-adopts the shared `PhysicsBody` (`:176-265`), calls `body.SnapToCell` directly
-(`:214/256`), then `entity.SetPosition`/`ParentCellId` + `RebucketLiveEntity`
-(`:268-271`) and `ShadowPositionSynchronizer.Sync` (`:306`) — all ad hoc, no
-classifier. **Vector** (launch velocity): `LiveEntityNetworkUpdateController.cs:840`
-`OnVector` -> `ProjectileController.ApplyAuthoritativeVector` (`:345`) ->
-`RuntimeProjectilePhysicsUpdater.ApplyAuthoritativeVector` (`:207`). **State**
-(Missile bit): `:992` `OnState` -> `ApplyAuthoritativeState` (`:410`) ->
-`RuntimeProjectilePhysicsUpdater.ApplyAuthoritativeState` (`:252`, direct
-`SnapToCell` at `:288`). **Authoritative Position correction**:
-`LiveEntityNetworkUpdateController.cs:1217-1233` (inside `OnPosition`, AHEAD of
-the generic remote path — returns early if handled) ->
-`ProjectileController.ApplyAuthoritativePosition` (`:508`) ->
-`RuntimeProjectilePhysicsUpdater.ApplyAuthoritativePosition` (`:301`, direct
-`body.SnapToCell` at `:346`, `CommitProjectileCell` at `:370`, direct
-`ShadowPositionSynchronizer.Sync`/`Suspend` `:402-421`). **Ordinary per-quantum
-integration**: `ProjectileController.Tick` (`:613`) -> `AdvanceQuantum`/
-`TryBeginQuantum`/`CompleteQuantum` (`:761-836`) ->
-`RuntimeProjectilePhysicsUpdater.TryBegin`/`Complete` (`:37,94`) — `Complete`
-does direct `body.SnapToCell` at line 145 + direct shadow sync — correctly
-NOT routed through SetPosition today, but ALSO not through any shared
-cell-commit authority; its own ad hoc `CommitProjectileCell` + shadow write.
-
-### Duplicate authorities
-
-- `ProjectileController.cs:214-271` — body construction, `SnapToCell`,
- `entity.SetPosition`/`ParentCellId`, `RebucketLiveEntity`, shadow sync — full
- ad hoc placement authority for missile creation.
-- `RuntimeProjectilePhysicsUpdater.cs:145-198` (per-quantum `Complete`) and
- `:346-421` (`ApplyAuthoritativePosition`) — BOTH do direct `SnapToCell` +
- `CommitProjectileCell` + shadow sync, bypassing `RuntimeSetPositionState`
- entirely; **neither distinguishes "ordinary integration" from "authoritative
- correction" at the cell/shadow-commit layer** — only the caller's semantic
- label differs.
-
-### What becomes what
-
-- DELETE outright: the authoritative-placement code in `TryBind`'s create
- branch (`:214-271`) and `ApplyAuthoritativePosition` (`:508-578`); and the
- direct `SnapToCell`/shadow commit inside
- `RuntimeProjectilePhysicsUpdater.ApplyAuthoritativePosition` (`:301-424`).
-- REPLACE with `ProjectileAuthoritative`-tagged routes via the classifier
- driving `RuntimeSetPositionState`, using "the same Runtime body and exact
- projectile Setup sphere" — i.e. `RuntimeProjectile.Body`/`CollisionSphere`
- (`RuntimeProjectile.cs:10-40`) plugged into the shared SetPosition
- transaction instead of `CommitProjectileCell`.
-- KEEP UNCHANGED (must NOT route through SetPosition): per-quantum
- integration (`TryBegin`/`Complete`, `:37-205`) — correctly outside
- SetPosition today; only its cell/shadow-commit CALL is a candidate to unify
- onto a shared (non-SetPosition) cell-commit primitive.
-- Reduce to acknowledge-only: `ApplyAuthoritativeVector`/`ApplyAuthoritativeState`
- (`:332-478`) — smaller scope of change since they don't do placement/rebucket
- themselves today.
-
-### Gap
-
-`ProjectileAuthoritative` exists TODAY ONLY as an `OperationKind` label
-(`RuntimeSetPositionState.cs:16`), produced generically by the classifier's
-`OperationKind(...)` helper for both entry points — **it is not a distinct
-routing rule**: `ClassifyCreate` gives Projectile the exact same
-`SetPosition`/`InitialCreateFlags` route as any non-local entity, and
-`ClassifyAcceptedPosition` gives Projectile the IDENTICAL near/far/teleport/
-cellless branches as Remote (proven by the test name
-`ProjectilePosition_UsesRemoteMoveOrTeleportClassification`,
-`RuntimeAuthoritativePositionRouteClassifierTests.cs:418-436`). So: PARTIAL —
-operation-kind plumbing + generic MoveOrTeleport-shape routing exist; missing
-is (a) any production wiring at all (same dormancy as route 4), and (b)
-projectile-specific POLICY (should a "near" wire correction ever return
-`Interpolate` for a ballistic body, or always hard-correct?) — today's
-"never route per-quantum integration through SetPosition" constraint holds
-only because per-quantum integration never calls the classifier at all (a
-separate simulation-tick path), not because of an explicit guard.
-
----
-
-## Route 6 — Drops and unparent-to-world (from parallel research agent)
-
-Graphical-only; no headless drop UI exists.
-
-### Call chain
-
-**Whole-item/normal drop**: `ItemInteractionController.ExecutePlacementActions`,
-`DropToWorld` case (`src/AcDream.App/UI/ItemInteractionController.cs:976-993`) —
-optimistic move + send drop; ordinary server CreateObject flows through the
-normal wire pump: `LiveEntityHydrationController.OnCreate`/`OnCreateCore`
-(`:226-299`) -> `_runtime.RegisterLiveEntity(spawn)` -> `LiveEntityRuntime.cs:526-556`
--> `_entityObjects.RegisterEntity(...)` (line 537) -> `RuntimeEntityObjectLifetime.RegisterEntity`
-(315-322, legacy, `beginInitialResidence:false`). **Split-to-world** (ACE omits
-CreateObject, sends only the new GUID's Position first):
-`ItemInteractionController.cs:994-1015` (`SplitToWorld` case, raises
-`WorldDropDispatched`) -> `InventoryWorldDropProjectionController.OnWorldDropDispatched`
-(`:81-98`, records `PendingSplitToWorldProjection`) -> wire Position (F748) for
-the new GUID arrives at `LiveEntityNetworkUpdateController.OnPosition:1024-1029`,
-FIRST calls `_worldDropProjection.TryRecoverUnknownPosition(update)` (1026) ->
-`InventoryWorldDropProjectionController.cs:54-68`: builds a synthetic
-`EntitySpawn` via `PendingSplitToWorldProjection.BuildSpawn` (171-209, clones
-the SOURCE item's full spawn/PhysicsSpawnData, overriding
-Guid/Position/StackSize/Container/Wielder/*Sequence/Parent*) -> calls
-`_hydration.OnCreate(spawn)` (66) — **the IDENTICAL entry point as the
-ordinary path**, converging on the same `RegisterEntity` call.
-`ShortcutDropPlanner` is unrelated to this route (toolbar-slot reshuffling
-only, never touches position/physics).
-
-### Duplicate authority / gap
-
-Neither drop flavor calls `Physics.SetPosition.Begin*` or
-`RuntimeInitialCreateResidenceState.Begin` today — **there is no App-vs-Runtime
-competing mutation for drops specifically**; the gap is identical to routes
-1-5: `RegisterEntityWithInitialResidence` is never called from any production
-path (confirmed by full-repo grep — only self-referential inside
-`RuntimeEntityObjectLifetime`'s own constructors, as the executor's
-child-replay delegate, plus tests). Both drop flavors equally bypass the
-canonical create-placement transaction — this is a wiring gap shared with
-routes 1-5, not a route-6-specific duplicate.
-- **Real, previously-unstated Route-6-specific gap**: `PendingSplitToWorldProjection.BuildSpawn`
- clones the source's DTO wholesale (correct for Position, which IS
- explicitly overridden) but presentation-effect replay (create-pop VFX/sound
- driven off `LiveEntityReadyPublisher.Publish`/`EntityEffectController.ReplayPendingForLiveEntity`)
- has NO SIGNAL today distinguishing "real spawn" from "split continuation" —
- and the executor's receipt/trace has no field for "this create is a
- split-recovery continuation, suppress create-time effect replay." This must
- be ADDED, not just wired — a genuine new capability, not merely dormant.
-
-### What becomes what
-
-`LiveEntityHydrationController.OnCreate`/`OnCreateCore` switches to
-`RegisterEntityWithInitialResidence` for EVERY CreateObject (both flavors) so
-both acquire a lease and drain through `Execute`.
-`TryRecoverUnknownPosition`'s call shape doesn't need to change, but the
-residence/executor layer needs the new "suppress effect replay for split
-continuation" capability above. `WorldDropDispatch`/`ShortcutDropPlanner`/
-`ItemInteractionController` dispatch (pure UI/wire trigger) is unaffected.
-
----
-
-## Route 7 — Pickup, Parent, and Delete (from parallel research agent)
-
-### Confirms/refutes "Runtime hooks already exist"
-
-**Largely CONFIRMED at the App/headless-caller level**: none of
-`LiveEntityHydrationController`, `EquippedChildRenderController`,
-`LiveEntityDeletionController`, `LiveEntityRuntimeTeardownController` do their
-own `SetFullCell`/`SuspendObjectClock`/rebucket math — all of it lives inside
-`RuntimeEntityObjectLifetime` (`TryApplyPickup:805-868`,
-`TryApplyParent/TryApplyCreateParent` -> shared helper
-`CommitPositionChannelUpdate:1705-1737`, `TryCommitParent:944-974`,
-`CommitAcceptedParentCellless:976-1007`, `CommitWithdrawal:1401-1422`,
-`TryAcceptDelete:1466-1527`). App/headless work is exclusively presentation
-(render subtree, shadows/effects/animation/selection teardown) — legitimate,
-not duplicated physics authority.
-
-**BUT the claim needs an important qualification (previously-unstated
-finding)**: every `ForgetInitialCreateResidence(...)` call in this family
-(849, 1720-1721, 990, 1411, 1501) cancels a residence lease that is **NEVER
-ACQUIRED** anywhere in production (same Route-1/6 finding —
-`RegisterEntityWithInitialResidence` unreached), and every paired
-`Physics.SetPosition.Forget(...)` cancels a placement transaction that is
-likewise **NEVER BEGUN** anywhere in production
-(`BeginAcceptedPlacement`/`BeginAuthoredPlacement`,
-`RuntimeSetPositionState.cs:803,815`, zero external callers repo-wide). **So
-today these cancellation calls are structurally present but functionally
-no-ops against always-empty state** — `InitialCreateResidences.Forget`
-returns false; `PreferCancellation` always falls through to the equally-empty
-"ordinary" receipt. Route 7 is correctly "already cut over" for the parts
-that currently do anything (SetFullCell/SuspendObjectClock/RefreshSnapshot/
-AdvanceXAuthority/CollisionReports/EndChildProjection are genuinely
-Runtime-owned) — but the specific behavior the campaign doc worries about
-("cancel the exact active placement/lost-cell family first") is INERT
-because there is nothing upstream yet to cancel. Once routes 1-5 wire the
-create/position path live, these existing calls become live with NO code
-change required — genuinely pre-built and correctly sequenced already.
-
-### Two internal asymmetries flagged for cutover review (new findings)
-
-- `TryCommitParent` (944-974) is the ONLY method in the family with NO
- `ForgetInitialCreateResidence`/`PreferCancellation` call at all.
-- `CommitWithdrawal` (1401-1422) calls `ForgetInitialCreateResidence` but NOT
- `Physics.SetPosition.Forget`/`PreferCancellation`, unlike Pickup/
- `CommitAcceptedParentCellless`/`TryAcceptDelete` which cancel both families.
- Once ordinary placement transactions go live,
- `WithdrawLiveEntityProjectionToCellless` (`LiveEntityRuntime.cs:1315-1331`,
- calls `CommitWithdrawal`) could leave an active mover/lost-cell watch
- dangling. **Flag for explicit cutover test, do not assume symmetric with
- the other four methods.**
-
-### Headless-specific gap (real, pre-existing, adjacent to but distinct from the cutover)
-
-`RuntimeLiveEntitySessionController.OnParentUpdated` (216-220) calls ONLY
-`Entities.TryApplyParent` directly — **headless NEVER calls
-`TryCommitParent`/`CommitAcceptedParentCellless`** — there is no headless
-equivalent of the App parent-realize sequence
-(`EquippedChildRenderController.ResolveAndTryRealize`/`PrepareAndTryRealize`,
-`LiveEntityHydrationController.cs:470` chain) AT ALL. This looks like a live
-gap independent of the residence/executor cutover — a headless parented
-child's `FullCellId` may never clear. Needs new code, not just wiring.
-`HeadlessSessionWorldProjection`/`IRuntimeDirectWorldProjection` has no
-pickup/parent/delete hook at all (only `ProjectSpawn`/`ProjectPosition`/
-`BeginTeleport`/`PrepareDestination`) — headless has ZERO duplicate
-placement work for route 7 (consistent with "already cut over" for the parts
-that do anything).
-
-### Gap vs. the executor
-
-"What the executor owns" already anticipates Route 7's "pickup during
-preparation/deferred residence" and "parent during pending withdrawal" test
-scenarios via the `TryGetPendingInitialResidence`/`EnqueueDormant` branches
-already present in `TryApplyPickup`/`TryApplyParent` — no NEW executor
-capability is needed for route 7's steady-state (post-create) behavior; the
-gap is entirely "wire up creates to use residence" (routes 1-3's job). One
-real gap: the executor's receipt/trace has no concept of "a pickup/delete
-cancelled my pending residence" — `RuntimePlacementCancellationReceipt`
-contents route only to `Physics.SetPosition.PublishCancellation`, never
-surfaced to the calling host for observability/testing.
-
----
-
-## Route 8 — Headless parity (researched directly, not delegated)
-
-Files read in full: `src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs`
-(693 lines), `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs`
-(349 lines).
-
-### Current production call chain — headless host
-
-Entry: `RuntimeLiveEntitySessionController.CreateSink()` (56-68) wires a
-`LiveEntitySessionSink` whose delegates are the ONLY headless wire-dispatch
-entry points for entity/position/motion/vector/state/parent/teleport traffic.
-Each handler below calls straight into `RuntimeEntityObjectLifetime` (the
-LEGACY, non-residence overloads — every call passes `acknowledgeProjection: null`)
-and then, only for specific cases, into `IRuntimeDirectWorldProjection`
-(implemented by `HeadlessSessionWorldProjection`):
-
-1. `OnSpawned` (73-95) — `Entities.RegisterEntity(spawn)` (75-76, **the
- legacy Create entry point — confirmed by the surface map's grep as one of
- only two production Create call sites in the repo**) → if `registration.Canonical`
- present, `Entities.ApplyAcceptedSpawn(canonical, integrationVersion,
- canonical.Snapshot, replaceGeneration: ...)` (81-87) → if applied,
- `_worldProjection?.ProjectSpawn(canonical, isLocalPlayer)` (90-93) →
- `HeadlessSessionWorldProjection.ProjectSpawn` (507-513): **no-op for any
- non-local entity** (`if (isLocalPlayer) SynchronizeLocalPlayer(record);` —
- line 511-512 IS the entire method body); for the local player, calls
- `SynchronizeLocalPlayer` (566-615) which is the duplicate placement
- authority (see below).
-2. `OnPositionUpdated` (137-201) — `Entities.TryApplyPosition(update, isLocal,
- forcePositionRotation: localController?.BodyOrientation,
- currentLocalVelocity: localController?.BodyVelocity,
- projectionRequiresTeleportHook: false, acknowledgeProjection: null, ...)`
- (144-153, legacy path) → if `!isLocal` or `Rejected`, return (154-159) →
- if `disposition is Apply`, builds a `RuntimeTeleportDestination` from the
- wire position and calls `_runtime.TransitOwner.OfferTeleportDestination(destination,
- timestamps.TeleportAdvanced)` (161-184, **every accepted local Position is
- offered to the transit owner as a POTENTIAL portal destination — the
- transit owner itself decides whether it's actually a portal**) → looks up
- the active record and calls `_worldProjection?.ProjectPosition(record,
- isLocalPlayer: true, disposition)` (185-193) → `HeadlessSessionWorldProjection.ProjectPosition`
- (515-531): no-op for non-local; if no controller yet, `SynchronizeLocalPlayer`
- (525); **else only for `disposition is ForcePosition` does it call
- `BlipLocalPlayer`** (529-530) — an ordinary `Apply` disposition with an
- existing controller does NOTHING here (ordinary interpolation must happen
- elsewhere, at the physics tick) → back in the session controller, if
- `disposition is ForcePosition`, `_localPlayerOutbound.SendImmediatePosition(_session,
- _runtime.MovementOwner.Controller)` (194-199, **sends the outbound wire ack
- BEFORE any Runtime placement commit/host-acknowledgement — the headless
- twin of route 2's "direct BlipPosition/pre-commit acknowledgement"**) →
- `TryCompletePortal()` (200, 243-332) unconditionally at the end.
-3. `OnPickedUp`/`OnMotionUpdated`/`OnVectorUpdated`/`OnStateUpdated`/`OnParentUpdated`/`OnAppearanceUpdated`
- (118-122, 124-135, 203-207, 209-214, 216-220, 237-241) — thin 1-line
- pass-throughs to `Entities.TryApply*(..., acknowledgeProjection: null, out _)`,
- no independent headless placement work.
-4. `OnDeleted` (97-116) — `Entities.TryAcceptDelete(...)` →
- `Entities.CompleteAcceptedDelete(acceptance)` → `Entities.RetireCanonicalOnly(retired)`.
- No independent headless placement work (matches route 7's claim that
- pickup/parent/delete are already mostly Runtime-owned — see route 7's
- section for the App-side confirmation).
-5. `OnTeleportStarted` (222-235) → `transit.TryQueueTeleportStart` →
- `_worldProjection?.BeginTeleport()` → `HeadlessSessionWorldProjection.BeginTeleport`
- (533-537): sets `controller.State = PlayerState.PortalSpace` directly (no
- Runtime commit gate) → `transit.ActivateQueuedTeleport()` → `TryCompletePortal()`.
-6. `TryCompletePortal` (243-332) — a **fully Runtime-driven, already-cutover
- state machine** for the portal handshake itself: `TryGetAcceptedTeleportDestination`
- → `TryBeginPortalReveal` → `TryRegisterHostProjection` → `Acknowledge(...ProjectionRegistered)`
- → `_worldProjection?.PrepareDestination(generation, destination)` (271-274,
- **the ONE point where the headless host does its own destination-prep
- work** — see below) → `transit.AcknowledgeDestinationReadiness(readiness)`
- → `transit.AcknowledgePortalMaterialized(...)` →
- `Acknowledge(...SimulationReleaseProjected)` →
- `transit.RequireDestinationReservationRelease(projection)` →
- `Acknowledge(...DestinationReservationReleased)` →
- `transit.AcknowledgeWorldViewportVisible` + `transit.Complete(generation)` →
- `Acknowledge(...TerminalProjected)` → `_session.SendGameAction(GameActionLoginComplete.Build())`
- → `transit.EndTeleport()`. **This entire sequence is already Runtime-owned
- generation/token bookkeeping (J6.2-J6.4 landed) — it is NOT a route-8
- duplicate authority; it's the shared portal-lifecycle plumbing routes 3
- and 8 both sit on top of.**
-
-### Duplicate authorities — headless (what the residence+executor owner must take over)
-
-- **`HeadlessSessionWorldProjection.SynchronizeLocalPlayer`** (566-615, read
- in full): `_collision.CenterOn(position.LandblockId)` (575) →
- `CreateController(record)` if none exists (577-578, 639-655 — constructs
- `PlayerMovementController` directly, see prerequisite-C section above) →
- `_runtime.EntityObjects.Physics.Engine.Resolve(wirePosition, position.LandblockId,
- Vector3.Zero, 100f)` (589-594) → `.ResolvePlacement(resolved.Position,
- resolved.CellId, DefaultRadius, DefaultHeight, controller.StepUpHeight,
- controller.StepDownHeight, ObjectInfoState.IsPlayer | EdgeSlide,
- record.LocalEntityId ?? 0u)` (595-605) → `controller.SetPosition(resolved.Position,
- resolved.CellId, wirePosition)` + `controller.SetBodyOrientation(orientation)`
- (610-614). **This is a COMPLETE independent physics resolve + placement
- commit, entirely bypassing `RuntimeSetPositionState`.** It is the headless
- mirror of route-1's "Headless performs its own initial resolve/placement/body
- construction" callout in the campaign handoff.
-- **`HeadlessSessionWorldProjection.BlipLocalPlayer`** (617-637): direct
- `controller.BlipPosition(wirePosition, position.LandblockId, wirePosition)`
- (633-636) with zero Runtime commit/ack gating — this is exactly the
- "direct Blip" duplicate the campaign handoff names for route 8 ("Delete the
- independent resolve/placement/direct SetPosition and Blip logic in
- `HeadlessSessionWorldProjection`").
- session controller's `_localPlayerOutbound.SendImmediatePosition(...)` at
- `RuntimeLiveEntitySessionController.cs:196-198` fires on the SAME
- `ForcePosition` branch, before any placement receipt exists — pre-commit ack.
-- **`HeadlessSessionWorldProjection.PrepareDestination`** (539-564): calls
- `_collision.CenterOn(destination.CellId)` (543) then, if the destination
- entity is active, `SynchronizeLocalPlayer(record)` again (544-549) — i.e.
- portal arrival re-runs the SAME duplicate resolve/placement authority.
- Also directly sets `controller.State = PlayerState.InWorld` (550-551)
- outside any Runtime placement gate.
-- **`HeadlessCollisionNeighborhood`** (168-469): NOT a placement-authority
- duplicate per se (it manages per-landblock collision generation
- publication/retirement, a different concern from entity placement) but it
- IS the thing `RuntimeSetPositionState`/`RuntimeInitialCreateResidenceState`
- must be able to wait on (its `IsReady`/`CenterOn` gate the destination
- readiness the residence lease's placement depends on) — this file already
- looks like a reasonable candidate for the "exact authored mover preparation"
- (prerequisite B) collision-readiness signal, not something to delete.
-
-### What each headless hop must become post-cutover
-
-- `OnSpawned` → keep the legacy timestamp-gate call semantics but swap
- `Entities.RegisterEntity(spawn)` for `Entities.RegisterEntityWithInitialResidence(spawn, ...)`
- (the wrapper already exists per the surface map, just unused) so headless
- enters the SAME residence lease as graphical; `ProjectSpawn` becomes
- acknowledge-only: subscribe an `IRuntimePlacementObserver` (does not exist
- yet — see observer-seam section) and, on a `Place` receipt for this
- entity's token, set `controller.SetPosition`/`SetBodyOrientation` from the
- IMMUTABLE `RuntimePlacementProjectionSnapshot` fields only. DELETE
- `SynchronizeLocalPlayer`'s direct `Physics.Engine.Resolve`/`ResolvePlacement`
- calls (589-605) outright — the sweep must happen exactly once, inside
- `RuntimeSetPositionState`, driven by the residence lease.
-- `OnPositionUpdated`'s ForcePosition branch → DELETE the direct
- `BlipLocalPlayer`/`controller.BlipPosition` call (633-636) and the
- immediate `SendImmediatePosition` pre-commit ack (196-198 in the session
- controller); replace with: accept timestamp only (still call
- `TryApplyPosition`/`TryAcceptDeferredPosition` for the timestamp-gate
- side-effects already established) → begin the Runtime placement (route 2's
- "LocalAuthoritative" route kind) → wait for the `Place` receipt via the new
- headless `IRuntimePlacementObserver` → apply position from the receipt →
- THEN send the single outbound ack.
-- `PrepareDestination` → keep the collision-neighborhood prep (`_collision.CenterOn`/`IsReady`)
- as the readiness signal Runtime's portal-placement authority polls, but
- DELETE the second `SynchronizeLocalPlayer` call (548) — arrival placement
- must come from the SAME Runtime portal-placement commit route 3 defines,
- not a second independent resolve.
-- `CreateController` → becomes the headless half of prerequisite C's atomic
- controller/body publication transaction; must stop being callable
- ad hoc from three different places (`SynchronizeLocalPlayer` twice via
- `OnSpawned`+`PrepareDestination`, indirectly via `OnPositionUpdated`) and
- instead run exactly once, gated by the same atomic commit graphical
- route 1 uses.
-
-### Route-8-specific capability gap
-
-The residence+executor mechanism (per
-`docs/research/2026-08-02-runtime-continuation-executor-handoff.md`,
-"What the executor owns") is host-agnostic by design — nothing in its
-API is graphical-only. The concrete gap for route 8 is therefore NOT in the
-executor; it is that **no headless `IRuntimePlacementObserver` implementation
-exists to consume `GameRuntime.Placements` receipts at all** (see
-observer-seam section above — zero hits in `src/AcDream.Headless/`), so
-today headless has no mechanism to learn "the Runtime commit landed, project
-it" even in principle. Headless also has no analog to a "camera" but DOES
-have the same controller/body atomicity requirement as graphical
-(prerequisite C applies equally to both hosts — confirmed by the very
-existence of `HeadlessSessionWorldProjection.CreateController` as a second,
-independent constructor of `PlayerMovementController` next to
-`PlayerModeController.BuildControllerAndCamera`).
-
----
-
-(routes 1-7 sections below filled in as each parallel research agent reports)
diff --git a/docs/research/2026-08-02-runtime-continuation-executor-handoff.md b/docs/research/2026-08-02-runtime-continuation-executor-handoff.md
deleted file mode 100644
index a19cb239..00000000
--- a/docs/research/2026-08-02-runtime-continuation-executor-handoff.md
+++ /dev/null
@@ -1,211 +0,0 @@
-# Runtime initial-placement continuation executor handoff - 2026-08-02
-
-## Purpose and exact stopping point
-
-Behavior commit `5db3de3c7ab2c6350d11af7f34b852464fc1e0f9` implements the
-Runtime continuation executor: the missing mechanism that, once an entity's
-initial authored placement is acknowledged, adopts that placement exactly
-once, applies the retail Create tail, replays deferred missing-parent work,
-and drains the admission checkpoint's mixed continuation FIFO in exact
-arrival order with retail route decisions made at execution time. The
-residence system built by `38fd4b8d` (residence/FIFO) and `30012361`
-(admission) is now COMPLETE as a mechanism: an entity can enter the world
-through it and every packet accepted while its placement was pending is
-applied exactly once, in order, with retail semantics.
-
-This checkpoint deliberately does NOT cut the graphical or headless
-production routes over — `RuntimeLiveEntitySessionController.cs` (headless)
-and App's `LiveEntityRuntime` still call legacy `RegisterEntity`, and no host
-calls `Execute`. It does not begin AP-22 or AD-10 and does not retire
-AP-1/AD-1. The executor is exercised by deterministic Runtime tests only, so
-no connected visual gate was required.
-
-This file supersedes the executor-boundary portions of
-[`2026-08-01-runtime-initial-placement-admission-handoff.md`](2026-08-01-runtime-initial-placement-admission-handoff.md).
-
-## Exact workspace and Git state
-
-- Worktree: `C:\Users\erikn\.codex\worktrees\af5e\acdream`
-- Branch: `codex/port-claude-agents`
-- Behavior checkpoint: `5db3de3c7ab2c6350d11af7f34b852464fc1e0f9`
-- Documentation checkpoint: the commit containing this file
-- The same eight unrelated dirty paths as the admission handoff remain
- intentionally unstaged; never stage by blanket.
-- No push or merge is part of this checkpoint.
-
-## What the executor owns
-
-`RuntimeInitialCreateContinuationExecutor` (constructed inside
-`RuntimeEntityObjectLifetime` beside the residence state; internal
-`InitialCreateExecution`; generation bound through `BindEventContext`) owns,
-per exact `RuntimeEntityKey` + lease:
-
-- the synchronous, retry-idempotent `Execute` transaction:
- `Complete` -> `AdoptCompletedPlacement` (consumes the acknowledged initial
- placement exactly once, resolving the `HasRetainedCompletion` deadlock so
- later authored placements for the key can begin, with `PlacementAdopted`
- keeping the completed entry current) -> AfterEnterWorld hook request
- (local player, exactly once) -> deferred replay -> strict-sequence FIFO
- drain -> `ConsumeExecuted` release (adoption-revision-checked; `Revised`
- re-drains only the tail);
-- per-continuation applies through gate-less instance seams on
- `InboundPhysicsStateController` (`ApplyAccepted*Snapshot`) that read and
- write the ONE snapshot store — the legacy fused paths are re-expressed as
- gate + the same shared merge bodies, so there is no drift and no second
- canonical snapshot;
-- execution-time Position routing via
- `RuntimeAuthoritativePositionRouteClassifier.ClassifyAcceptedPosition`
- with live inputs: the retained wire packet's own `IsGrounded` bit as the
- server-asserted contact (never the local body), the data-driven
- `(MotionTableId ?? Physics?.MotionTableId)` animation proxy (AP-130), live
- distance/`UsePositionFromServer`, and the record's committed cell — driving
- authored placements for SetPosition routes through the canonical
- `RuntimeSetPositionState` Begin/Watch/resume lifecycle with a retryable
- `AwaitingContinuationPlacement` yield (a contention flavor with no pending
- token means "retry Execute later");
-- atomic `SameIncarnationCreate` envelopes: per-stage index idempotency,
- buffered publication flushed in stage order after the final stage (AD-59),
- the object-table apply via the accepted-spawn seam (result observed; a
- nested replacement abandons), and the three-branch resident-cell
- disposition (TS-63);
-- missing-parent replay, both flavors, keyed by parent GUID exactly as
- retail's `QueueBlobForObject`/`ProcessObjectNetBlobs`: raw child Creates
- AND queued accepted parent relations, drained in the initial tail with
- whole-bucket atomic detach, per-entry exception containment
- (`ReplayFailureCount`/`LastReplayFailure`), typed outcomes
- (Registered/ReDeferred/Rejected; ParentApplied/DeferredAwaitingParent/
- DiscardedStaleParent), and cancellation-aware restore windows whose tokens
- record every cancellation fired while a batch is detached (ABA-safe;
- a cleared token restores nothing);
-- the field-masked executor baseline: each apply re-syncs ONLY the tracked
- fields its own mutations moved, before publication, so external mutations
- are detected in every quiet window and publish-callback;
-- one shared abandonment routine on every non-retryable exit: forgets any
- pending continuation placement (cancellation published), retires the
- residence through the lifetime choke point, discards progress, returns a
- typed status — the combined ownership ledger (residences, executor
- progress, deferred buckets, replay windows, placement watches) converges,
- and residence retirement notifies the executor
- (`BindRetirementNotification`);
-- an ordered immutable execution receipt/trace carrying every fact a cutover
- host needs: per-action kind/sequence/stage, Position route facts
- (disposition, constrain phase, teleport-hook phase, stop-interpolation,
- zero-velocity, preserve-heading, send-position-immediately, unparent),
- replay outcomes, and resident-cell dispositions.
-
-## Retail anchors proven this slice
-
-Beyond the admission handoff's eight anchor functions:
-
-- retail's local-ordinary interpolate gate is
- `UsePositionFromServer && wire-contact` — `PositionPack` bit 0x4 →
- `has_contact` (pseudo-C 284654) → `UnpackPositionEvent` arg5 (93092) →
- the gate at 93044. The earlier research note's "isForce" reading was a
- misnomer disproven during review; the shipped classifier was correct.
-- `ProcessObjectNetBlobs` detaches the whole per-GUID bucket before
- dispatching (93617 → 93649) — mirrored by the detach/restore windows.
-- missing-parent relations are QUEUED by parent GUID (standalone parent
- handler 0x004535D0: lookup 92312, queue 92326; `QueueBlobForObject`
- 0x005092D0's GUID-keyed placeholder bucket 271082-271088) — never
- discarded; the round-4 discard was overturned on this evidence.
-- `HandleReceivedPosition`'s `HasAnims` gate (92992) is animation-queue
- presence (`CSequence::has_anims` = non-empty list), anchoring AP-130.
-- the same-incarnation tail order and resident-cell cleanup
- (93865..93943) are mirrored stage-for-stage, with the claimedCell==0
- destruction branch proven structurally unreachable for admitted envelopes
- (every envelope carries a WeenieDescription by shape).
-
-## Divergence register
-
-Rows filed in the behavior commit: **AD-59** (envelope buffered live-record
-events), **AD-60** (executor canonical cell semantics — wire positions never
-directly commit residency), **AP-130** (HasAnims MotionTableId proxy),
-**AP-131** (legacy Position merge's unconditional placement-frame/parent-
-clear flags — retired by construction at cutover), **AP-132** (parent
-incarnation gating vs retail's pointer-only GUID replay), **TS-62** (no live
-ConstrainTo binding in the dormant slice — trace-only), **TS-63**
-(resident-cell abandonment/delegation split). AP-1 and AD-1 remain open
-until the cutover. Issue **#275** tracks the post-cutover unification of the
-legacy Position path onto the classifier.
-
-## Validation
-
-- Focused executor/residence/classifier gate: **161/161**.
-- Complete Runtime project: **903/903** (829 baseline + 74 slice tests).
-- Complete Release solution: **10,696 passed / 4 intentional skips / 0
- failed** (`-m:1`, installed `acdream.pak`); Release build 0 errors,
- 21 pre-existing test-project warnings.
-- `git diff --check` clean; the eight unrelated dirty paths untouched.
-- Independent reviews (both read-only, both required to PASS): the
- retail-conformance reviewer and the architecture/adversarial reviewer each
- ran four passes across five implementation rounds. Finding classes fixed
- at root cause along the way: wire-vs-body contact source; two-store
- snapshot divergence; WeenieDescription wholesale-overwrite; non-converging
- abandonment; reentrant mid-drain residence retirement; the
- acknowledged-completion leak that would have blocked all future placements
- for a key; per-field baseline blessing; replay exception containment and
- detached-batch resurrection; and the stale-parent discard overturned in
- favor of retail's queue-by-parent-GUID replay. Final verdicts: RETAIL
- REVIEW: PASS; ARCHITECTURE REVIEW: PASS (three residual NOTEs, all
- defense-in-depth observations, none blocking).
-
-## Production routes intentionally unchanged
-
-Graphical Create still flows through `LiveEntityRuntime.RegisterEntity`;
-headless still uses `RuntimeLiveEntitySessionController`'s legacy
-`RegisterEntity`; no production code calls
-`RegisterEntityWithInitialResidence` or `Execute`. The residence+executor
-system is a complete, reviewed, dormant mechanism awaiting the cutover.
-
-## Next implementation boundary — the production cutover
-
-Route graphical AND headless registration through the residence+executor
-owner together, then every Create, Position, ForcePosition, Parent, Pickup,
-withdrawal, delete, remote-movement, projectile-correction, and dropped-item
-edge through the same transaction. Hosts project immutable Runtime results
-only; they may not resolve a second placement or create another body. Delete
-the legacy duplicate paths only after parity tests pass (this retires AP-131
-and closes #275 by construction). Run the exact lifecycle/reconnect and
-canonical nine-stop connected routes, two-client observation, and the user
-visual matrix. Only then retire AP-1 and AD-1.
-
-Cutover-specific notes from this slice:
-
-- The execution receipt carries every route fact a host must bind — the
- constrain phases and stop-interpolation/zero-velocity flags (TS-62), the
- teleport-hook phases, and the send-position-immediately echo.
-- `AwaitingContinuationPlacement` has two flavors: pending token (host must
- prepare/submit/acknowledge the placement, then retry Execute) and
- contention (no pending token; retry Execute after the conflicting
- operation resolves).
-- The dormant placement path's 1,880-bytes/operation allocation budget
- (2,048 cap) remains the standing 4B2 activation blocker for
- frame-frequency traffic; resolve or budget it before the cutover routes
- high-frequency Position traffic through the owner.
-
-After the cutover: **AP-22** (authored collision shapes;
-`ShadowShapeBuilder` sole authority), then **AD-10** (remote contact-plane
-projection), then the final automated + connected matrix and ledger
-synchronization close the campaign; vendor Slice 5 resumes after.
-
-## Rollback
-
-```powershell
-git revert 5db3de3c7ab2c6350d11af7f34b852464fc1e0f9
-```
-
-The documentation checkpoint containing this file is separate and may be
-reverted independently. Do not revert the `38fd4b8d`/`30012361` foundation
-beneath it without a separately proven defect.
-
-## Resume checklist
-
-1. Continue in the exact worktree/branch above; confirm `git log` contains
- `5db3de3c` and the documentation commit containing this file.
-2. Preserve the eight unrelated dirty paths; never `git add -A`.
-3. Read this file, the admission handoff, and
- `docs/architecture/acdream-architecture.md`.
-4. Re-run the focused gate before modifying execution code:
- the Residence + Classifier + Executor filter must report 161/161.
-5. Begin ONLY the production cutover checkpoint. Do not fold AP-22, AD-10,
- or vendor work into it.
diff --git a/docs/research/2026-08-02-set-description-float-gates.md b/docs/research/2026-08-02-set-description-float-gates.md
deleted file mode 100644
index fe9c56f6..00000000
--- a/docs/research/2026-08-02-set-description-float-gates.md
+++ /dev/null
@@ -1,231 +0,0 @@
-# CPhysicsObj::set_description @ 0x00514F40 — three FPU-elided gates recovered
-
-## Verification chain
-
-1. **Binary/PDB pairing**: `py tools/pdb-extract/check_exe_pdb.py "C:/Users/erikn/Downloads/acclient.exe"`
- → `=== MATCH: this exe pairs with our acclient.pdb ===` (GUID
- `9e847e2f-777c-4bd9-886c-22256bb87f32`, linker timestamp
- 2013-09-06T00:17:56Z). Confirmed before any byte reads.
-2. **PE section mapping** (hand-parsed via a one-off script,
- `scratchpad/pe_read.py`): image base `0x00400000`;
- `.text` VA=0x00401000 RawPtr=0x00001000;
- `.rdata` VA=0x00792000 RawPtr=0x00392000 (holds the FP constants below).
- VA→file-offset: `file_off = raw_ptr + (VA - image_base - section_virt_addr)`.
-3. Raw bytes of the function (`0x00514F40`–`0x00515153`) were dumped and
- hand-disassembled instruction-by-instruction, cross-checked line-by-line
- against `docs/research/named-retail/acclient_2013_pseudo_c.txt` lines
- 283130–283251 (function body) so every address in the trace lines up
- with a named pseudo-C statement.
-4. **Ghidra MCP**: not available this session — no CodeBrowser open on
- port 8080/8081 (both probes returned empty). Not needed; binary + ACE
- agreement below is already two independent confirmations.
-5. **ACE cross-check**: `references/ACE/Source/ACE.Server/Physics/PhysicsObj.cs`
- (main checkout, not the af5e worktree — ACE isn't vendored there),
- `set_description`, lines 3557–3568. ACE's C# independently reproduces
- all three predicates exactly as decoded from the binary below. Binary
- is the ground truth per project policy; ACE here is 100% consistent
- with it, so no conflict to adjudicate.
-
-Confidence: **byte-certain** for all three. Every constant was read
-directly from `.rdata`, every comparison/jump opcode was decoded from
-the raw instruction stream, and the result matches ACE's independent
-port line-for-line.
-
----
-
-## Conditional 1 — friction OUTER gate (pseudo-C line 283219, VA 0x0051505a)
-
-### Bytes
-
-```
-0051504f: d9 46 68 FLD DWORD PTR [ESI+0x68] ; ST(0) = (double)esi->friction (PhysicsDesc.friction @ +0x68)
-00515052: dc 15 10 46 79 00 FCOM QWORD PTR [0x00794610] ; compare ST(0) vs constant, no pop (value reused below)
-00515058: df e0 FNSTSW AX
-0051505a: f6 c4 05 TEST AH, 0x05 ; mask = C0(bit0) | C2(bit2)
-0051505d: 7b 15 JNP 0x00515074 ; jump (skip friction block) iff PF=0
-```
-
-### Constant
-
-VA `0x00794610` (.rdata, file offset `0x00394610`), 8 bytes:
-`00 00 00 00 00 00 00 00` → **`0.0` (double, exact)**.
-
-### Decoding the jump
-
-`TEST AH,0x05` ANDs AH with the C0|C2 status bits, then the parity flag
-(PF) reflects the parity of that AND result. Case table for
-`FCOM esi->friction, 0.0` (ST0=friction):
-
-| relation | C0 | C2 | C3 | AH&0x05 | popcount | PF |
-|---|---|---|---|---|---|---|
-| friction > 0.0 | 0 | 0 | 0 | 0x00 | 0 | 1 |
-| friction < 0.0 | 1 | 0 | 0 | 0x01 | 1 | **0** |
-| friction == 0.0 | 0 | 0 | 1 | 0x00 | 0 | 1 |
-| unordered (NaN) | 1 | 1 | 1 | 0x05 | 2 | 1 |
-
-`JNP` (jump on PF=0) only fires for the strict `<` case. So the jump
-(which SKIPS the whole friction reassignment block, landing at the
-shared cleanup at `0x00515074`) is taken **only when `friction < 0.0`**;
-every other case (`>= 0.0`, and — as an accepted compiler-quirk
-edge case irrelevant to real game data — unordered/NaN) falls through
-into the block.
-
-### Recovered predicate
-
-```c
-// outer gate: proceed to the friction-assignment logic only when friction is non-negative
-if (esi->friction >= 0.0f) {
- // ... inner compare (Conditional 2) ...
-}
-```
-
----
-
-## Conditional 2 — friction INNER compare (pseudo-C line 283226, VA 0x0051506a)
-
-### Bytes
-
-```
-0051505f: dc 15 c0 28 79 00 FCOM QWORD PTR [0x007928c0] ; compare ST(0)=friction vs constant, no pop
-00515065: df e0 FNSTSW AX
-00515067: f6 c4 41 TEST AH, 0x41 ; mask = C0(bit0) | C3(bit6)
-0051506a: 74 08 JZ 0x00515074 ; jump (skip assignment) iff (AH&0x41)==0
-0051506c: d9 9f bc 00 00 00 FSTP DWORD PTR [EDI+0xbc] ; this->friction = friction (field @ +0xbc), pops ST(0)
-```
-
-Pseudo-C had already fully rendered the C0/C2/C3 synthetic-byte
-construction for this one (only the final `test ah,0x41`→bool
-collapse was marked unimplemented), so the byte read is a
-confirmation rather than a fresh recovery.
-
-### Constant
-
-VA `0x007928c0` (.rdata, file offset `0x003928c0`), 8 bytes:
-`00 00 00 00 00 00 f0 3f` → **`1.0` (double, exact; IEEE-754 bit
-pattern `0x3FF0000000000000`)**.
-
-### Decoding the jump
-
-Mask `0x41` = C0(below) | C3(equal). `JZ` (jump when the TEST result
-is zero, i.e. neither bit set) skips the assignment when friction is
-strictly `>` 1.0. Falls through (assigns `this->friction`) when
-`friction <= 1.0` (below-or-equal family, exactly as flagged in the
-task). This is the canonical `jbe` idiom.
-
-### Recovered predicate
-
-```c
-// inner compare: only assign if friction also passes the upper bound
-if (esi->friction <= 1.0f)
- this->friction = esi->friction;
-```
-
-### Combined (conditionals 1+2)
-
-```c
-if (esi->friction >= 0.0f && esi->friction <= 1.0f)
- this->friction = esi->friction;
-```
-
-This is byte-for-byte what ACE's port does at
-`PhysicsObj.cs:3557-3558`: `if (desc.Friction >= 0.0f && desc.Friction <= 1.0f) Friction = desc.Friction;`
-
----
-
-## Conditional 3 — translucency gate (pseudo-C line 283240, VA 0x0051509f)
-
-### Bytes
-
-```
-0051508b: d9 44 24 24 FLD DWORD PTR [ESP+0x24] ; ST(0) = (float)translucency (local copy of esi->translucency, field @ esi+0x70)
-0051508f: d8 1d 80 6a 7c 00 FCOMP DWORD PTR [0x007c6a80] ; compare ST(0) vs constant, WITH pop (single precision, reg field=3)
-00515095: 8b d1 MOV EDX, ECX
-00515097: 89 97 b8 00 00 00 MOV [EDI+0xb8], EDX ; this->translucencyOriginal = translucency (unconditional)
-0051509d: df e0 FNSTSW AX
-0051509f: f6 c4 44 TEST AH, 0x44 ; mask = C2(bit2) | C3(bit6)
-005150a2: 7b 15 JNP 0x005150b9 ; jump (skip live-translucency apply) iff PF=0
-005150a4: ... ; fallthrough: this->translucency = translucency; PartArray propagation
-```
-
-### Constant
-
-VA `0x007c6a80` (.rdata, file offset `0x003c6a80`), 4 bytes:
-`00 00 00 00` → **`0.0f` (single-precision float, exact)**. Note this
-compare is single-precision (`d8`/`FCOMP m32`), unlike the two
-friction compares above which are double-precision (`dc`/`FCOM m64`) —
-matches the pseudo-C's `((long double)0f)` literal notation (the `f`
-suffix is BN flagging a float-typed constant) versus `((long
-double)0.0)` for the friction case.
-
-### Decoding the jump
-
-Case table for `FCOMP translucency, 0.0f` (ST0=translucency), mask
-`0x44` = C2(unordered) | C3(equal):
-
-| relation | C0 | C2 | C3 | AH&0x44 | popcount | PF |
-|---|---|---|---|---|---|---|
-| translucency > 0.0 | 0 | 0 | 0 | 0x00 | 0 | 1 |
-| translucency < 0.0 | 1 | 0 | 0 | 0x00 | 0 | 1 |
-| translucency == 0.0 | 0 | 0 | 1 | 0x40 | 1 | **0** |
-| unordered (NaN) | 1 | 1 | 1 | 0x44 | 2 | 1 |
-
-`JNP` (PF=0) fires **only** for the exact-equal-to-zero case. So the
-jump — which skips applying live `translucency`/PartArray propagation,
-leaving only the unconditional `translucencyOriginal` write — is taken
-**only when `translucency == 0.0f`**. Every other case (`>0`, `<0`,
-and unordered/NaN as a compiler-quirk edge case) falls through and
-applies.
-
-### Recovered predicate
-
-```c
-// translucencyOriginal is ALWAYS written (this happens before the gate, unconditionally)
-this->translucencyOriginal = translucency;
-
-// live translucency + PartArray propagation only when translucency is non-zero
-if (translucency != 0.0f)
-{
- this->translucency = translucency;
- if (this->part_array != 0)
- CPartArray::SetTranslucencyInternal(this->part_array, translucency);
-}
-```
-
-Matches ACE's port at `PhysicsObj.cs:3562-3568` exactly:
-```csharp
-TranslucencyOriginal = desc.Translucency;
-if (desc.Translucency != 0.0f)
-{
- Translucency = desc.Translucency;
- if (PartArray != null)
- PartArray.SetTranslucencyInternal(desc.Translucency);
-}
-```
-
----
-
-## Summary table
-
-| # | Gate | Predicate (apply-when) | Constant | Cert. |
-|---|---|---|---|---|
-| 1 | friction outer | `friction >= 0.0f` | `0.0` (double) @ VA 0x00794610 | byte-certain |
-| 2 | friction inner | `friction <= 1.0f` | `1.0` (double) @ VA 0x007928c0 | byte-certain |
-| 3 | translucency | `translucency != 0.0f` | `0.0f` (float) @ VA 0x007c6a80 | byte-certain |
-
-All three: no unresolved cases. The only caveat on all three is a
-decompiler/compiler-codegen edge case around NaN (unordered operands
-fall into the "true"/apply bucket rather than IEEE-strict "always
-false"), which is a documented quirk of this exact MSVC x87 codegen
-pattern and not something the retail struct's `float` fields would
-ever hit in practice (friction/translucency are authored data, never
-NaN).
-
-## Port note (C3b, `RuntimeRemoteBodyDescription.cs`)
-
-acdream's friction port uses `f >= 0.0f && f <= 1.0f`, which deliberately
-SKIPS NaN rather than reproducing the unordered-goes-to-apply codegen quirk
-tabled above — the sanctioned modern-boundary deviation this doc
-pre-declared. Elasticity's setter port (`!(e >= 0f)` first arm) and
-translucency's `!= 0.0f` gate both route NaN exactly as the binary does
-(0f and apply respectively); ACE's `set_elasticity` sends NaN to 0.1f and
-is divergent from the binary on that edge.
diff --git a/docs/research/2026-08-03-c4-handoff/NEXT-AGENT-PROMPT.md b/docs/research/2026-08-03-c4-handoff/NEXT-AGENT-PROMPT.md
deleted file mode 100644
index 2d254ce7..00000000
--- a/docs/research/2026-08-03-c4-handoff/NEXT-AGENT-PROMPT.md
+++ /dev/null
@@ -1,199 +0,0 @@
-# Next-agent prompt — C4 placement routes 2–7
-
-Continue the acdream placement cutover from the 2026-08-03 regression-cleanup
-checkpoint. The code is modern; behaviour must remain retail-faithful.
-
-## Where to work
-
-```text
-C:\Users\erikn\source\repos\acdream\.claude\worktrees\peaceful-visvesvaraya-e0a196
-```
-
-Branch `claude/acdream-physics-divergence-5aa784`, expected HEAD
-`f2b06f378738474b0861e4d990d17f9645e07615`.
-
-**The user directed that work happen in this worktree, not in `main`.**
-`main` is still at `c7d5fc14` — the 10 commits below are NOT merged. Do not
-merge, rebase, or push unless the user explicitly asks. Preserve the main
-worktree's untracked research/tooling files.
-
-## Read before editing
-
-1. `CLAUDE.md` and `AGENTS.md`.
-2. `docs/research/2026-08-03-c4-route-2-contract.md` — **the pinned contract
- for your first task.** It is the whole ramp-up for route 2.
-3. `docs/plans/2026-08-02-placement-cutover.md` — the C4/C5 campaign plan.
-4. `docs/research/2026-08-02-cutover-route-inventory.md` — the 8-route,
- both-host call-chain inventory with exact file:line for every duplicate
- authority. THE map for routes 3–7.
-5. `docs/plans/2026-08-03-recent-regression-cleanup.md` — closed; explains the
- three defects fixed this session and why.
-6. `docs/ISSUES.md` — #276, #277, #280 (open); #281–#284 (closed this session).
-7. `docs/architecture/retail-divergence-register.md` rows AP-1, AP-22, AP-131,
- AP-133, AD-1, AD-10, AD-60, TS-28.
-
-## Binding rules
-
-- Retail is the oracle. Grep
- `docs/research/named-retail/acclient_2013_pseudo_c.txt` by named
- `class::method` BEFORE any fresh decompilation.
-- Preserve the Runtime-owned, presentation-independent architecture. Graphical
- and headless hosts use the same canonical owners.
-- Root causes only. No timeouts, grace periods, suppression flags,
- catch-and-swallow, duplicated placement writers, or test-only bypasses.
-- The user's live observations outrank green automated tests.
-- Never `git add -A`, `git add .`, `git reset --hard`, or
- `git checkout -- `. Stage exact paths only.
-- Each independent fix is its own bisectable commit recording root cause and
- evidence; issue and divergence ledgers update in that same commit.
-- **Run the COMPLETE Release solution suite green before every commit.** Not a
- focused subset. Every regression cleaned up this session shipped because a
- commit was gated on focused tests while the full suite was red. It costs
- ~30 seconds:
- ```
- $env:ACDREAM_PAK_PATH='C:\Users\erikn\Documents\Asheron''s Call\acdream.pak'
- dotnet test AcDream.slnx -c Release -m:1
- ```
-- Close the client gracefully before reconnecting to ACE at `127.0.0.1:9000`.
- The user manages client lifecycle; if a rebuild is lock-blocked, ASK.
-- Launch visual gates in **Release**, with `ACDREAM_RETAIL_UI=1` (the user
- prefers the retail GUI).
-
-## Baseline
-
-Complete Release solution at HEAD: **10,844 passed / 4 skipped / 0 failed**
-(App 4,058/3, Bake 15, Cli 4, Content 124, Core.Net 762, Core 4,247/1,
-Headless 79, Runtime 1,012, UI 543). Treat any deviation as a regression you
-introduced.
-
-## Completed on this branch (10 commits)
-
-| Commit | What |
-|---|---|
-| `6dcb94ac` | Restored the world-frame precondition across 5 first-entry fixtures; added `RuntimeWorldFrameTests` |
-| `98e9f9e8` | Modelled the post-`f24532ad` effect cell / canonical body frame in 2 rendering fixtures |
-| `95ebc03a` | Filed #282–#284 + cleanup plan |
-| `97d11e6c` | **#284** — parked placements name their cause; terminal on the contradictory state |
-| `3c36b4cc` | **#282** — one cell owner (`WorldEntity.VisibilityCellId`); register row AP-133 |
-| `0c14c402` | Connected visual acceptance for #282/#284 |
-| `898ff18b` | #283 reachability probe (`ACDREAM_PROBE_WORLD_FRAME=1`) |
-| `89cf1e66` | **#283** — measured UNREACHABLE; permanent invariant instead of a restructure |
-| `2ef02f8c` | Closed the cleanup plan |
-| `f2b06f37` | **Pinned the route 2 contract** (your starting point) |
-
-Context worth carrying: the handoff that started this session claimed "six
-selected fixture failures". The measured baseline was **43** — the App suite
-was fully green at `01f4791e` and `670f307c` broke 28 tests in one commit,
-while the Runtime suite lost 13. All were stale fixtures, fixed without
-weakening a single assertion. Three real product defects (#282–#284) were
-found in the same sweep and are now closed.
-
-## Work order
-
-### 1. Route 2 — ForcePosition (start here)
-
-Execute `docs/research/2026-08-03-c4-route-2-contract.md`.
-
-Scoping is already done and it is **not** a small wiring job:
-`RuntimeAuthoritativePositionRouteClassifier.ClassifyAcceptedPosition` produces
-the retail-exact ForcePosition route but has exactly ONE production consumer —
-`RuntimeInitialCreateContinuationExecutor.cs:1948`, route 1's Create
-continuation. A live local player receiving a Position has no Runtime consumer
-at all. You must build the accepted-Position execution seam, then cut App over.
-
-Two duplicate authorities to delete:
-- `LocalForcePositionTransaction` (blip + pre-commit outbound ack);
-- the generic tail at `LiveEntityNetworkUpdateController.cs:1264-1281`, which
- independently writes position/cell/rotation to the render entity and
- rebuckets the SAME accepted Position.
-
-Named behaviour change to call out in the commit: the outbound
-`AutonomousPosition` ack currently fires BEFORE any canonical commit, and the
-trailing `isCurrent()` only suppresses the continuation — the packet has
-already gone. Retail makes it `SendPositionImmediately`, an output of the
-executed route.
-
-Retail: `SmartBox::HandleReceivedPosition` @0x00453FD0 — the FORCE_POSITION
-early return (~92932) precedes `unset_parent` (~92990) and the
-`!HasAnims`-gated `SetPlacementFrame` (~92992).
-
-### 2. Route 3 — portal placement
-
-`RuntimeWorldTransitState` → `RuntimePortalPlacementAuthority` adapter. Delete
-`LocalPlayerTeleportPlacement.Place`
-(`LocalPlayerTeleportController.cs:214-278`), which does its own resolve, body/
-cell write, world-entity write, rebucket and host-notify, and then calls
-`AcknowledgePortalMaterialized` AFTERWARDS — a rubber stamp, not a gate.
-Re-sequence so the acknowledgement is the actual gate.
-
-#283 is already settled, so the origin question is closed going in; the
-permanent guard is `LiveWorldOriginState.EnsureAgreesWithRuntimeFrame`.
-
-### 3. #280 — portal destination prefetch (land beside route 3)
-
-The reveal gate is a hardcoded 3×3 landblock neighbourhood
-(`WorldRevealReadinessBarrier.OutdoorNeighborhoodRadius = 1`, 576 m) while the
-configured view is 11×11 to 31×31 (2,112–5,952 m) depending on quality preset
-— so the viewport opens on ~1.4% of the visible world on High and the user
-watches the rest stream in. Compounded by `BeginOriginRecenter` detaching every
-resident landblock (no reuse) and `MaxCompletionsPerFrame` 2–6.
-
-Port retail's mechanism, not a bigger magic number: `CellManager::PreFetchCells`
-@0x00455820, `LScape::PreFetchCells` @0x00505660, `CLandBlock::PreFetchCells`,
-`CLandBlockInfo::PreFetchCells`, `SmartBox::UseTime` @0x00455410 while
-`blocking_for_cells`, and the `TAS_TUNNEL_CONTINUE` resume/reveal ordering.
-Use the configured quality/view-distance window; hold ONE generation-scoped
-reservation across terrain, statics/buildings, EnvCells, render publication,
-composites, and collision. Keep the wait cue responsive. Never reveal early on
-a timeout; never wait for an impossible "all dynamic objects delivered" marker.
-
-### 4. Routes 4–7
-
-- **4** — remote Create/Position; delete `RemoteTeleportController`/`Placement`
- and the inline MoveOrTeleport duplicate. Retires AP-131.
-- **5** — authoritative projectile correction.
-- **6** — drops + split-recovery marking.
-- **7** — pickup, parent detach, delete/GUID-reuse residue.
-
-Fold in #276 (`SpawnPlacementSettler` must commit the settle's resolved
-`CellId`) and #277 (far Create needs a real service-window/cell-less lifecycle
-instead of relying on ACE's broadcast radius) where their route becomes
-authoritative. #284's parked-placement counts were deliberately NOT folded into
-`IsConverged` because #277 documents a legitimate session-long park — wire them
-into the connected gates when #277 makes "legitimately parked" definable.
-
-### 5. C5 closeout
-
-Delete every superseded writer; focused + complete suites; lifecycle/reconnect;
-canonical nine-stop soak **on the final binary** (read `report.json`, require
-`Passed=true`, zero failures, all checkpoints, `waitCueShown=false`, no pending
-publication/retirement/reveal debt, no render-shadow mismatch, graceful exit);
-two-client observation; user visual matrix. Then retire AP-1, AD-1, AP-131 and
-AD-60's legacy half.
-
-### 6. Then AP-22, then AD-10
-
-- **AP-22** — `ShadowShapeBuilder` as the sole authority for authored Setup
- collision shapes. Preserve authored cylinder order; authored spheres when no
- cylinders; cylinder-first for mixed; truly shapeless means no shadow. Remove
- invented `Setup.Radius` cylinders, `Radius * 2` heights, sphere-to-cylinder
- coercion, across graphical/headless/static/live together.
-- **AD-10** — remote slope projection through the real retained transition
- contact plane. Prove remote motion uses the complete sweep, remove
- terrain-normal preprojection, let `CTransition::adjust_offset` project
- against the actual collision plane. Preserve interpolation queues,
- authoritative correction replacement, Hidden state, network cadence.
-
-Then the final movement/collision matrix and ledger/architecture/roadmap/
-milestones/memory/`CLAUDE.md`/`AGENTS.md` updates. Vendor Slice 5 resumes only
-after the campaign is genuinely closed.
-
-## Reporting
-
-For every fix report: reproduction, retail evidence (named symbol + address),
-plain-language root cause, files/lines, the fix, tests, commit SHA, complete
-build/test numbers, user visual result where required, and which issues or
-divergence rows were closed, narrowed, or left open.
-
-Do not describe the campaign as complete while any C4 route, #280, the
-final-binary soak, AP-22, AD-10, or a required user visual gate remains.
diff --git a/docs/research/2026-08-03-c4-route-2-contract.md b/docs/research/2026-08-03-c4-route-2-contract.md
deleted file mode 100644
index 0dd0d61d..00000000
--- a/docs/research/2026-08-03-c4-route-2-contract.md
+++ /dev/null
@@ -1,120 +0,0 @@
-# C4 route 2 — ForcePosition: pinned contract (2026-08-03)
-
-Scoping is complete; implementation has not started. This is the pinned
-contract the plan's standing discipline requires before code
-(`docs/plans/2026-08-02-placement-cutover.md`, "Standing discipline per
-slice").
-
-## Scoping finding — this is not a wiring job
-
-`RuntimeAuthoritativePositionRouteClassifier.ClassifyAcceptedPosition` already
-produces the retail-exact ForcePosition route, but grep shows exactly ONE
-production consumer: `RuntimeInitialCreateContinuationExecutor.cs:1948`, the
-route-1 Create continuation. For an already-live local player receiving a
-Position there is **no Runtime consumer at all** — `LiveEntityNetworkUpdateController.OnPosition`
-does the work itself in App.
-
-So route 2 must build the accepted-Position execution seam and then cut App
-over. The Create executor is the model to follow, not a component to reuse
-unchanged.
-
-## Today's behaviour (the two duplicate authorities)
-
-Wire `0xF748` → `WorldSession.cs:1767` → `LiveEntitySessionController.cs:67`
-→ `LiveEntityNetworkUpdateController.OnPosition:1024`
-→ `_authorityGate.TryAcceptPosition` → `PhysicsTimestampGate.TryAcceptPositionEvent`
-(retail `SmartBox::HandleReceivedPosition` @0x00453FD0, FORCE_POSITION branch)
-→ `forceLocal` computed at `:1112`.
-
-**Authority 1 — `LocalForcePositionTransaction.Apply`
-(`src/AcDream.App/Physics/LocalForcePositionTransaction.cs`):**
-`if (!isCurrent()) return false; blip(); acknowledge(); return isCurrent();`
-where
-
-- `blip` = `PlayerMovementController.BlipPosition` (`_body.SnapToCell`, then
- `UpdateCellId`, which also publishes the render root via
- `_physics.UpdatePlayerCurrCell`);
-- `acknowledge` = `LocalPlayerOutboundController.SendImmediatePosition` —
- **the outbound `AutonomousPosition` ack is sent to ACE BEFORE any canonical
- Runtime commit exists.** We tell the server "got it, I'm here" before
- deciding where "here" is.
-
-**Authority 2 — the generic tail (`LiveEntityNetworkUpdateController.cs:1264-1281`):**
-execution falls through unconditionally into `entity.SetPosition(worldPos)`,
-`entity.ParentCellId = p.LandblockId`, `entity.Rotation = rot`, then
-`RebucketLiveEntity`. That is a SECOND independent mutation of the SAME
-accepted Position, against the render-facing `WorldEntity`, parallel to the
-`PlayerMovementController` body mutated by authority 1.
-
-Two stores, one packet — the same divergence class as the remote-placement bug
-`670f307c` fixed.
-
-## Retail truth
-
-`SmartBox::HandleReceivedPosition` @0x00453FD0. The FORCE_POSITION branch is an
-early return (~92932) that precedes `unset_parent` (~92990) and the
-`!HasAnims`-gated `SetPlacementFrame` (~92992). The classifier already encodes
-this exactly:
-
-| Field | Value | Meaning |
-|---|---|---|
-| Disposition | `SetPositionSimple` | one plain SetPosition |
-| Flags | `AuthoritativeTeleportFlags` | server-authoritative placement |
-| `UnparentBeforeRouting` | false | branch precedes `unset_parent` |
-| `ApplyPlacementFrameBeforeRouting` | false | branch precedes `SetPlacementFrame` |
-| `TeleportHookPhase` | `None` | not a teleport |
-| `PreserveHeading` | **true** | force keeps the player's facing |
-| `ZeroVelocity` | false | velocity untouched |
-| `SendPositionImmediately` | **true** | ack AFTER the position operation |
-
-`SendPositionImmediately` being a property of the executed route is the key
-point: the acknowledgement is an *output of* the committed operation, never a
-step performed alongside it.
-
-## The contract
-
-1. One Runtime `SetPosition` transaction owns the accepted frame, exact cell,
- collision result, shadow/workset membership, and deferred-cell lifetime for
- a ForcePosition on a live local player.
-2. `LocalForcePositionTransaction` is **deleted**, not adapted. Its three jobs
- become properties of the executed route: ownership validation is the
- operation's own currency check, `blip` is the SetPosition commit, and
- `acknowledge` is `SendPositionImmediately` fired after commit.
-3. The generic tail must not independently mutate the same accepted Position
- for the local player. App projects the committed result.
-4. Graphical and headless drive the identical Runtime command and state path.
-5. Stale sequences, GUID reuse, missing cells, portal generations, and replaced
- collision generations cannot commit old state.
-6. No route reconstructs from a stale spawn; no legacy outdoor demotion or
- terrain-Z lift.
-7. The world-frame invariant from #283
- (`LiveWorldOriginState.EnsureAgreesWithRuntimeFrame`) holds across the new
- path — route 2 converts landblock-local wire origins and must not introduce
- a second conversion site.
-
-## Acceptance
-
-- Focused Runtime tests for the accepted-Position execution seam, including
- the ack-after-commit ordering and the displaced-authority case that
- `LocalForcePositionTransaction`'s trailing `isCurrent()` currently covers.
-- App tests proving the generic tail no longer double-writes the local player.
-- **Complete Release solution suite green before the commit** — not a focused
- subset. This gate is what the #281–#284 regressions bypassed.
-- Connected: a server-forced correction (ACE `@teleport`-style displacement or
- a rubber-band) leaves the player at the corrected position with heading
- preserved, one outbound ack, and no double-apply.
-- Divergence ledger: AP-131 is retired only when the legacy Position caller it
- names is actually gone, which is route 4, not route 2.
-
-## Risk notes for the implementer
-
-- This is the hottest inbound path in the client; every local-player Position
- crosses it. Prefer extending the existing accepted-Position classifier
- consumption over inventing a parallel executor.
-- `PhysicsTimestampGate.TryAcceptPositionEvent` already returns
- `ForcePosition` only when newer AND `teleport == current teleport stamp`.
- Do not re-derive that condition at the new seam.
-- The ack currently fires even when the commit is subsequently displaced; the
- trailing `isCurrent()` only suppresses the CONTINUATION, not the ack that
- already went out. Ack-after-commit fixes this by construction — call it out
- in the commit message as a behaviour change, because it is one.
diff --git a/docs/research/2026-08-03-c4-route-2-implementation-plan.md b/docs/research/2026-08-03-c4-route-2-implementation-plan.md
deleted file mode 100644
index 714151f1..00000000
--- a/docs/research/2026-08-03-c4-route-2-implementation-plan.md
+++ /dev/null
@@ -1,291 +0,0 @@
-# C4 route 2 — ForcePosition: implementation plan (2026-08-03)
-
-Executes `docs/research/2026-08-03-c4-route-2-contract.md`. The contract is the
-WHAT; this is the verified HOW. Every claim below was checked against source or
-the named retail decomp in this session — do not re-derive them, and do not
-contradict them without new evidence.
-
-## 1. Retail truth (verified this session, not inherited)
-
-`SmartBox::HandleReceivedPosition` @0x00453FD0
-(`docs/research/named-retail/acclient_2013_pseudo_c.txt:92896`). The
-FORCE_POSITION branch is the whole route:
-
-```
-if (arg2 == player && newer_event(player, FORCE_POSITION_TS, arg9))
-{
- if ()
- {
- get_heading(player);
- Frame::set_heading(&dest, heading); // 00454068 preserve OUR heading
- SmartBox::BlipPlayer(this, &dest); // 00454074
- player->update_times[0] = arg7; // 00454079 stamp POSITION_TS
- cmdinterp->SendPositionEvent(); // 00454091 ack
- return; // 0045409d
- }
-}
-```
-
-`SmartBox::BlipPlayer` @0x00453940 (line 92528) is:
-
-```
-distance = Position::distance(&player->m_position, dest);
-CPhysicsObj::SetPositionSimple(player, dest, 1); // 00453968
-SmartBox::PlayerPositionUpdated(this, 0, distance); // 00453976
-```
-
-`CPhysicsObj::SetPositionSimple` @0x005162B0 (line 284276) with `arg3 != 0`
-builds `SetPositionStruct` with flags **`0x1012`** and calls
-`CPhysicsObj::SetPosition`. `0x1012` decodes against
-`src/AcDream.Core/Physics/PhysicsSetPosition.cs:63-76` as
-`Teleport(0x002) | Slide(0x010) | SendPositionEvent(0x1000)` — byte-for-byte
-`RuntimeAuthoritativePositionRouteClassifier.AuthoritativeTeleportFlags`
-(`RuntimeAuthoritativePositionRouteClassifier.cs:198-200`). **The pinned
-classifier route is confirmed correct; do not touch it.**
-
-Three consequences that decide this slice:
-
-### 1a. ForcePosition is a real SetPosition, not a snap
-
-Retail runs the full transition with Teleport|Slide. Today's
-`PlayerMovementController.BlipPosition`
-(`src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:1923-1937`) is
-`_body.SnapToCell(...)` — no transition, no collision, no contact plane, no
-shadow commit, no `FullCellId`/`PlacementCommitVersion` advance. Closing that
-gap is the point of route 2.
-
-### 1b. The force branch runs NO ConstrainTo
-
-Every `CPhysicsObj::ConstrainTo` call in `HandleReceivedPosition` is at
-0x00454272 (remote MoveOrTeleport tail), 0x0045418A (player teleport-newer
-branch), and 0x004541EC (player ordinary branch). The force branch returns at
-0x0045409D, **before all three**. The classifier already encodes this as
-`ConstrainPhase: None`.
-
-`BlipPosition` calls `RearmConstraintLeashAtCurrentPosition()` and its comment
-cites *"retail 'Player, normal' branch"* — a branch `BlipPlayer` is not on.
-That leash re-arm is an unbacked deviation on this route.
-
-**Required:** the new route honours `ConstrainPhase: None` — no leash re-arm on
-ForcePosition. Call it out explicitly in the commit message as a named
-behaviour change with these addresses, and add it to the connected gate's watch
-list (#167 was a leash bug; the user's live observation governs). Do not touch
-`ArmConstraintLeashAtCommittedPlacement` (C3c/AD-42 first-entry) or the
-teleport/`CommitPreparedPosition` callers — they are on branches that DO
-constrain.
-
-### 1c. Heading preservation already happens upstream — do not re-derive it
-
-Retail replaces the destination heading with the player's current heading
-BEFORE the SetPosition. Our accepted-position merge already does this via the
-`forcePositionRotation` argument
-(`RuntimeLiveEntitySessionController.cs:179`, App's
-`_authorityGate.TryAcceptPosition(..., _playerController.BodyOrientation, ...)`
-at `LiveEntityNetworkUpdateController.cs:1050-1052`). Verify it lands in
-`record.Snapshot` before you build the route request; assert it in a test. The
-seam must NOT apply a second heading substitution.
-
-Also noted, NOT in scope: retail's `PlayerPositionUpdated(this, 0, distance)`
-gates `set_viewer`/`LScape::update_viewpoint` on
-`distance >= GetAutonomyBlipDistance` (0x004538C0-0x004538E2). We publish the
-render root unconditionally. File it as a follow-up observation in the closeout
-note; do not change it here.
-
-## 2. Verified mechanism map
-
-| Thing | Location | Note |
-|---|---|---|
-| Route classifier (pinned, correct) | `RuntimeAuthoritativePositionRouteClassifier.cs:308` | one production consumer today: `RuntimeInitialCreateContinuationExecutor.cs:1948` |
-| Begin | `RuntimeSetPositionState.TryBeginExclusiveAuthoredPlacement:1309` | no first-entry-only precondition |
-| Prepare+submit+commit | `RuntimeSetPositionState.TryPrepareAndSubmitAuthoredPlacement:1658` → `PrepareMover:1522` → `SubmitPreparedPlacementCore:2777` → `Engine.SetPosition:2962` → `CommitCanonical:4411` | |
-| Deferred wake | `CommitCollisionGeneration:3973` → `RetryDeferred:4192` → `CommitCanonical:4374` | drives parked operations without our help |
-| **The template to mirror** | `RuntimeFirstEntryDriveController.TryCompleteContinuationPlacement:280-380` | begin/prepare/submit + outcome switch + projection acknowledgement |
-| Runtime world frame | `RuntimePhysicsState.ObserveLocalWorldFrame:535`; `resolveWorldOffsetFromRuntimeFrame` param | **use it** — satisfies contract §7, one conversion site |
-| App projector (already exists) | `LiveEntityRuntime.TryApplyRuntimePlacementPlace` (`LiveEntityRuntime.cs:1231+`) | writes `entity.SetPosition(projection.WorldPosition)`, `entity.Rotation`, `entity.ParentCellId = token.ExactCellId`, `RebucketLiveEntity` — from the COMMITTED result |
-| App sink | `RuntimePlacementPresentationSink.TryApply:67` / `TryPublishPlace:162` | |
-| Headless sink | `HeadlessRuntimePlacementProjectionSink` | |
-
-**This is the crux:** `TryApplyRuntimePlacementPlace` already performs, from
-canonical committed state, exactly the four writes the generic tail performs
-from raw wire (`LiveEntityNetworkUpdateController.cs:1264-1281`). Deleting the
-generic tail for the local player is a straight substitution of the committed
-result for the wire guess — not a loss of function.
-
-## 3. The two duplicate authorities to delete
-
-**Graphical** — `src/AcDream.App/Physics/LocalForcePositionTransaction.cs`
-(whole file) and its single call site
-`LiveEntityNetworkUpdateController.cs:1113-1129`; plus the generic tail
-`:1264-1282` **for the local player only** (remotes still need it — that is
-route 4).
-
-**Headless** — `RuntimeLiveEntitySessionController.OnPositionUpdated:217-231`'s
-`ProjectPosition(..., isLocalPlayer: true, ForcePosition)` +
-`SendImmediatePosition` pair, and
-`HeadlessSessionWorldProjection.BlipLocalPlayer:707-727`. Headless has no
-`WorldEntity` in this path, so it has only the first duplicate — but it is a
-duplicate all the same, and contract §4 requires both hosts on the identical
-Runtime path.
-
-## 4. Design
-
-New Runtime type, modelled directly on `RuntimeFirstEntryDriveController`:
-
-**`src/AcDream.Runtime/Session/RuntimeAcceptedPositionDriveController.cs`**
-
-Constructor takes the same collaborators that controller takes
-(`_entityObjects`, `IPreparedCollisionSource`, the simulation clock,
-`LocalPlayerOutboundController`, the session accessor, the local-player
-identity). Follow that file's ctor and null-validation style exactly.
-
-### Entry point
-
-```csharp
-internal RuntimeAcceptedPositionExecutionStatus TryExecuteAcceptedLocalPosition(
- RuntimeEntityRecord record,
- in WorldSession.EntityPositionUpdate update,
- PositionTimestampDisposition disposition,
- in AcceptedPhysicsTimestamps timestamps,
- ushort previousTeleportSequence);
-```
-
-**Scope this slice to ForcePosition on the live local player.** Any other
-disposition, any other entity kind, and the not-applicable cases below return
-`NotApplicable`, and the caller then does exactly what it does today. Route 2
-must not perturb routes 1/3/4.
-
-Return `NotApplicable` when:
-- `disposition is not PositionTimestampDisposition.ForcePosition`;
-- the record is not the local player;
-- `record.PhysicsBody is null` (no canonical body → nothing to place);
-- **an initial-Create residence is still active for the record.** Route 1 owns
- it: the executor already retains the Position as a tail action
- (`RuntimeInitialCreateContinuationExecutor.ApplyPositionAction`) and already
- carries `SendPositionImmediately` (`:717`, `:2576`). Confirm that ack
- actually fires on that path and say so in the closeout; if it does not, that
- is a route-1 defect — file it, do not paper over it here.
-
-### Body
-
-1. Build `RuntimeAcceptedPositionRouteRequest` deriving every field the way
- `RuntimeInitialCreateContinuationExecutor.ApplyPositionAction:1907-1946`
- derives it. Specifically: `HasContact = update.IsGrounded` (the wire bit,
- never a live body query); `HasAnimations` from
- `Snapshot.MotionTableId ?? Snapshot.Physics?.MotionTableId` non-zero;
- `CommittedCellId = record.FullCellId`; `PlacementFacts` from
- `record.FinalPhysicsState` and `Snapshot.SetupTableId is not null`;
- `Source = PositionEvent`; `UsePositionFromServer` and `PlayerDistance` from
- the same Runtime owners C0 established (`RuntimeCharacterState.AutonomyLevel
- != 2`; the live movement controller). Read C0's notes in
- `docs/plans/2026-08-02-placement-cutover.md` first.
-2. `ClassifyAcceptedPosition`. Not accepted → stamp-only, mirroring
- `:1950-1984`; return without ack.
-3. `TryBeginExclusiveAuthoredPlacement(record, record.PositionAuthorityVersion,
- route.OperationKind)`. Invalid token → `Contention`; the caller retries on a
- later packet. Do NOT invent a retry loop.
-4. `TryPrepareAndSubmitAuthoredPlacement(record, token, route.OperationKind,
- route.SetPositionFlags, _collisionSource, _clock.SimulationTimeSeconds,
- out outcome, resolveWorldOffsetFromRuntimeFrame: true)`.
-5. Outcome switch, mirroring `TryCompleteContinuationPlacement:340-380`:
- - `CommittedHostAcknowledgementPending` → §4a reconcile, then §4b ack.
- - `DeferredCell` → §4c.
- - anything else → forget + `PublishCancellation`; **no ack**.
-
-### 4a. Post-commit local reconciliation
-
-`CommitCanonical` writes the body, contact plane, `FullCellId`,
-`PlacementCommitVersion`, shadow membership and the spatial acknowledgement. It
-does NOT do the three controller-local things `BlipPosition` also did. Add ONE
-new method to `PlayerMovementController` next to `BlipPosition`, e.g.
-`CommitCanonicalForcePositionFrame()`, that:
-
-- resets `_prevPhysicsPos`/`_currPhysicsPos` to the committed body position
- (kills the render-lerp residual);
-- calls `UpdateCellId(_body.CellPosition.ObjCellId, "force-position")` so the
- render root chokepoint `PhysicsEngine.UpdatePlayerCurrCell` still runs;
-- does **not** re-arm the constraint leash (§1b);
-- does **not** write the body — the canonical commit already did.
-
-Then `BlipPosition` has no remaining caller: **delete it** along with
-`HeadlessSessionWorldProjection.BlipLocalPlayer`. If a test is its only other
-caller, the test moves to the new path — do not keep the method alive for
-tests.
-
-### 4b. The ack
-
-`SendPositionImmediately` is an OUTPUT of the committed route. Fire
-`LocalPlayerOutboundController.SendImmediatePosition(session, controller)`
-only after §4a, only when `route.SendPositionImmediately`, and only once. This
-is the named behaviour change the contract calls out: today the packet leaves
-before any commit and the trailing `isCurrent()` cannot recall it.
-
-### 4c. Deferred cell
-
-`DeferredCell` means the destination landblock's collision generation is not
-ready; the operation parks and the existing `CommitCollisionGeneration` wake
-resubmits and commits it. The ack must still fire exactly once, after that
-commit.
-
-Retain the pending ack keyed by the placement token, and resolve it on a pump
-`Advance()` called from the SAME two host sites that already call
-`RuntimeFirstEntryDriveController.DriveAll()` —
-`LiveEntityHydrationController.cs:405` (graphical) and
-`HeadlessSessionWorldProjection.cs:571,594,612` (headless). Find the existing
-read-only way to ask "did this token's operation commit / is it gone" before
-adding anything; only add a minimal internal query to `RuntimeSetPositionState`
-if none exists. Fire once on the commit transition; drop the pending ack on
-cancellation, supersession, entity teardown, generation change and reset, and
-fold its count into the ownership ledger / `IsConverged` so a leaked pending
-ack cannot hide.
-
-Also consume the parked `Withdraw` at the FIFO head exactly the way
-`TryCompleteContinuationPlacement:351-365` does, if and only if it is ours.
-
-### 4d. Host cutover
-
-- **App** `LiveEntityNetworkUpdateController.OnPosition`: replace the
- `LocalForcePositionTransaction.Apply` block with the Runtime call. When the
- status is anything other than `NotApplicable`, return before the generic tail
- — App projects the committed result through the existing placement sink. Keep
- every currency re-check that is still meaningful. Inject the Runtime seam the
- way the class already borrows Runtime owners (`_localPlayerOutbound` is the
- precedent); do not add a service locator or a window back-reference.
-- **Headless** `RuntimeLiveEntitySessionController.OnPositionUpdated`: replace
- the `ProjectPosition(isLocalPlayer: true, ForcePosition)` +
- `SendImmediatePosition` pair with the same call. Leave the `Apply`-
- disposition `OfferTeleportDestination` and `TryCompletePortal` alone — route 3.
-- Delete `LocalForcePositionTransaction.cs`.
-
-## 5. Non-negotiables
-
-- Root causes only. No timeout, grace period, suppression flag,
- catch-and-swallow, duplicated placement writer, or test-only bypass.
-- Never `git add -A` / `git add .` / `git reset --hard` / `git checkout -- `.
-- Do not weaken an existing assertion to make a test pass. If a fixture models
- the old duplicate-write behaviour, re-model it on the committed projection.
-- Cite retail as `named symbol @address` (+ the pseudo-C line) in every comment
- on ported behaviour.
-- Update `docs/ISSUES.md` and
- `docs/architecture/retail-divergence-register.md` in the SAME commit as the
- behaviour change. AP-131 is **not** retired here — its named legacy Position
- caller is route 4.
-
-## 6. Acceptance
-
-1. Focused Runtime tests for the seam: force route classification; ack strictly
- after commit; ack exactly once; no ack on a rejected/cancelled operation;
- the displaced-authority case that `LocalForcePositionTransaction`'s trailing
- `isCurrent()` covered today; the `DeferredCell` → wake → commit → single ack
- sequence; heading preserved; leash NOT re-armed; `NotApplicable` while a
- first-entry residence is active.
-2. App tests proving the generic tail no longer double-writes the local player,
- and that the committed projection is what moves the render entity.
-3. Headless tests proving the identical Runtime path.
-4. `dotnet build -c Release` clean.
-5. **Complete Release solution suite green — not a focused subset.** Baseline
- **10,844 passed / 4 skipped / 0 failed**. Any deviation is a regression
- introduced by this work.
-6. Connected (user-gated): a server-forced correction leaves the player at the
- corrected position, heading preserved, exactly one outbound
- `AutonomousPosition`, no double-apply, and no leash misbehaviour after the
- correction.
diff --git a/docs/research/2026-08-03-c4-route-2-review-findings.md b/docs/research/2026-08-03-c4-route-2-review-findings.md
deleted file mode 100644
index cf5e905f..00000000
--- a/docs/research/2026-08-03-c4-route-2-review-findings.md
+++ /dev/null
@@ -1,479 +0,0 @@
-# C4 route 2 — dual review findings and required fixes (2026-08-03)
-
-Both mandated reviews returned **FAIL** on the first implementation pass.
-Nothing is committed. This is the consolidated fix list; it supersedes the
-implementer's own closing report where they disagree.
-
-Reviews: retail-conformance (Opus) and architecture/adversarial (Opus), run
-independently against the same uncommitted diff.
-
-## Verified correct — do not churn these
-
-Both reviews independently confirmed, with addresses:
-
-- `AuthoritativeTeleportFlags` = `Teleport|Slide|SendPositionEvent` = `0x1012`,
- byte-exact against `CPhysicsObj::SetPositionSimple` @0x005162B0.
-- Leash re-arm removal is retail-correct: the FORCE_POSITION branch returns at
- 0x0045409D, strictly before all three `ConstrainTo` sites (0x00454272,
- 0x0045418A, 0x004541EC). The teleport / `CommitPreparedPosition` /
- `ArmConstraintLeashAtCommittedPlacement` callers correctly still constrain.
-- Heading preservation happens exactly once, upstream in
- `InboundPhysicsStateController.ApplyAcceptedPosition:788-798`. The seam does
- not re-apply or drop it.
-- Ack ordering is correct and fires exactly once on both the synchronous and
- the deferred path; the `CanSendPositionEvent` gate matches retail's
- `CommandInterpreter::SendPositionEvent` @0x006B4770, and correctly does NOT
- apply `ShouldSendPositionEvent`'s rate limit (retail's force branch calls
- SendPositionEvent directly).
-- Route-request field derivation matches the continuation executor field for
- field.
-- Contract items 2, 4 (the Runtime command itself), 6, and 7 pass. AP-131
- correctly not retired.
-- The re-modelled `PlayerMovementControllerTests` are relocations, not
- weakenings.
-
-## Required fixes, in priority order
-
-### R1 — HIGH — the DeferredCell park cannot survive in production
-
-`RuntimeEntityObjectLifetime.cs:1636` calls `Physics.SetPosition.Forget(canonical)`
-on EVERY accepted Position, which unconditionally cancels the entity's in-flight
-operation. ACE broadcasts at 5-10 Hz, so any park lasting longer than ~100-200 ms
-is guaranteed to be cancelled before its collision generation commits — exactly
-the far-destination case the deferred path exists to serve.
-
-Chain: park -> cancelled -> `RetryDeferred` never runs -> no `Place` receipt ->
-`ReconcileAndAcknowledge` never runs -> **the body is never moved and no ack is
-ever sent.** The old `LocalForcePositionTransaction` / `BlipLocalPlayer` pair
-applied the correction synchronously and unconditionally. Retail's `BlipPlayer`
-@0x00453940 has no "give up quietly" state at all.
-
-**Park-and-hope is not a valid mechanism here. Required direction:**
-
-1. Do not open a park that can never wake. Before submitting, establish that the
- destination's collision is publishable (R2), and mirror the existing
- C3c-R1-F7 guard shape (`IHeadlessCollisionNeighborhood.IsWithinServiceWindow`,
- `HeadlessSessionWorldProjection.cs:20-27`) rather than inventing a new one.
-2. Where a park still legitimately occurs, the seam must detect that its
- operation was cancelled — `RuntimeSetPositionState.IsPlacementCompletionTracked`
- (`:1245`) is the existing read-only query — and **re-issue the placement from
- the current canonical snapshot** on the next accepted Position or `Advance()`.
- The snapshot already carries the latest accepted pose, so re-issuing is
- correct, not a replay of stale state.
-3. A force correction must never be silently dropped. That is the retail
- invariant this route exists to preserve.
-
-Do NOT resolve this with a timeout, a settle window, a retry counter, or by
-exempting ForcePosition from `Forget`. If you conclude the correct answer is a
-deliberate, cited divergence, STOP and report rather than shipping one.
-
-### R2 — HIGH — headless lost its destination-collision publication
-
-`HeadlessSessionWorldProjection.BlipLocalPlayer` (deleted) called
-`_collision.CenterOn(position.LandblockId)`. The headless collision neighborhood
-is a hard 3x3 window (`BuildPublicationPlan`, `:462-488`) moved ONLY by
-`CenterOn`. The surviving callers are spawn (`:562`), the controller-null login
-branch (`:603`), teleport prep (`:640`) and portal arrival (`:683`) — a
-ForcePosition on a live local player now reaches none of them. `PumpFirstEntry`
-(`:624`) polls the stale `_requestedLocalPlayerCell`, which nothing updates on
-this path either.
-
-Restore a real mechanism (re-center plus the `_requestedLocalPlayerCell`
-update), or gate on `IsWithinServiceWindow` and handle out-of-window explicitly.
-The deleted `CenterCount` assertion in `HeadlessSessionHostTests.cs:430` is the
-invariant; restore it rather than the changed number.
-
-The in-test justification ("retail's BlipPlayer has no streaming-window
-concept") is true of retail and irrelevant: the window is OUR adaptation, and
-retail has no equivalent because retail has every landblock resident.
-
-### R3 — HIGH — login-window ForcePosition now does nothing at all
-
-`RuntimeLiveEntitySessionController.cs:229-254`. Previously every accepted local
-Position ran `_worldProjection.ProjectPosition`, whose controller-null branch
-(`HeadlessSessionWorldProjection.cs:593-607`) set `_requestedLocalPlayerCell`,
-called `CenterOn`, and pumped `_firstEntry.DriveAll()`. Now a ForcePosition
-takes the new branch, the drive returns `NotApplicable` (residence active), and
-nothing happens.
-
-Restore the pump for the controller-absent case, and delete the comment at
-`:239-240` claiming "there is no legacy fallback to run instead" — there was
-one; it is the `else` branch this change routed around.
-
-### R4 — MEDIUM-HIGH — the force-ack steals a receipt the sink declined
-
-`RuntimeAcceptedPositionDriveController.cs:366-375` unconditionally calls
-`AcknowledgeProjection(outcome.Projection)`. `RuntimePlacementProjectionSubscription`
-deliberately leaves a declined `Place` at the FIFO head for a later retry
-(`:118-121`); this consumes and destroys it.
-
-The sink declines for real production reasons — `!_spatial.IsLoaded(landblock)`
-(`LiveEntityRuntime.cs:1210-1219`) and stale transit authority
-(`RuntimePlacementPresentationSink.cs:90-96`). In those cases `entity.SetPosition`
-/ `Rotation` / `ParentCellId` / `RebucketLiveEntity` / `IsSpatiallyProjected`
-are never written, and because the generic tail is now skipped there is no
-second writer to cover it — the render entity silently stays put while the
-canonical body moved.
-
-The `RuntimeFirstEntryDriveController` mirror is safe ONLY because a residence
-makes the sink decline by design and a follow-up `ExecutorCompleted` receipt
-re-binds presentation. Route 2 has no such follow-up. Drop the force-ack and let
-the subscription's retry contract stand, or provide a real follow-up binding.
-
-### R5 — MEDIUM-HIGH — `Contention` and `Rejected` silently drop the correction
-
-`RuntimeAcceptedPositionDriveController.cs:265-271` returns `Contention` when
-`TryBeginExclusiveAuthoredPlacement` fails; neither status creates a pending
-entry, and both hosts then return without blipping or acking
-(`LiveEntityNetworkUpdateController.cs:1140`). The `Contention` doc comment
-promises "a later accepted Position, or this controller's own Advance pump,
-retries" — the pump provably cannot retry something never recorded, and a later
-Position carries a different pose. Retail always applies.
-
-The most likely trigger is R1's parked operation, which makes every subsequent
-ForcePosition `Contention`. Fixing R1 largely fixes this; the status handling
-must still not silently drop.
-
-Also fix the `Rejected` enum doc: it claims "No SetPosition ran; no ack was
-sent", which is false at the two `SubmitAndResolve` sites (`:361`, `:415`) where
-a SetPosition ran and was cancelled.
-
-### R6 — MEDIUM — `_pending` leaks and can be silently overwritten
-
-`RuntimeAcceptedPositionDriveController.cs:289-324`. `Advance()` exits only on
-record-key release or acknowledged completion. A mid-session cancellation
-(supersession, lost-cell deadline, `ParkCollisionResidents`, generation cancel —
-all route through `ForgetPlacementCompletionCore`) leaves `_pending` set
-forever, so `AcceptedPositionDrivePendingCount` keeps `IsConverged` false for
-the rest of the session. `GameWindowLifetime.DisposeGameRuntime:490-498` throws
-on non-convergence.
-
-Plan §4c required dropping the pending ack on cancellation, supersession,
-teardown, generation change and reset. Only teardown and reset shipped. Use
-`IsPlacementCompletionTracked`. Also: the `_pending = null` cleanups are all
-guarded by `if (!firstAttempt)`, and `SubmitAndResolve(firstAttempt: true)`
-assigns `_pending` without inspecting an existing one — make it refuse to
-overwrite a live pending.
-
-### R7 — MEDIUM — the 0.48 fixture, the changed assertion, and the false doc
-
-**This is a test-fixture artifact, NOT a production regression.** The headless
-fixture's `LoadedSetupCollisionSource` returns one sphere
-`(Vector3.Zero, 0.48f)` — centre AT the origin, bottom 0.48 m below the feet.
-The real human Setup `0x02000001` is `(0,0,0.475) r=0.48` plus
-`(0,0,1.350) r=0.48` (`Ts46SphereListConformanceTests.cs:35-39`), so the foot
-sphere's bottom is origin - 0.005 and a settled origin lands on the floor within
-5 mm. The control is in this same changeset: the new Runtime fixture uses the
-dummy sphere (offset == radius) and asserts the origin lands exactly on the
-floor (`RuntimeAcceptedPositionDriveControllerTests.cs:178`).
-
-Required:
-1. Give the headless fixture the retail offset `(0f, 0f, 0.475f) r=0.48` and
- **restore the `Z == 50f` assertion**. Changing an assertion to match new
- output is the plan's own forbidden move.
-2. Delete the false comment at `HeadlessSessionHostTests.cs:419-427` — it
- describes the sphere CENTRE and then asserts it about `controller.Position`,
- which is the ORIGIN (`PlayerMovementController.cs:304` -> `PhysicsBody.cs:153`,
- retail `CPhysicsObj::m_position.frame.origin`).
-3. Correct the `docs/ISSUES.md` #285 "retail fidelity gain" paragraph. Retail's
- `BlipPlayer` has never lifted the origin by a sphere radius. Left as-is this
- becomes the citation a future session trusts.
-
-### R8 — MEDIUM — acceptance gaps
-
-- No App-layer test exists proving the generic tail no longer double-writes the
- local player and that the committed projection is what moves the render
- entity. The plan's acceptance item 2 is unmet; three App tests were deleted
- and replaced with a comment. Given R4, this is precisely the seam that is
- broken.
-- `RuntimeAcceptedPositionDriveControllerTests.cs:310-311` asserts
- `acksAfterFirstResolve <= 1`, so the test **passes with zero acks** — the
- DeferredCell park -> wake -> commit -> single-ack sequence is unverified,
- while `docs/ISSUES.md` claims it is covered. Fix the fixture so the contact
- gate is satisfied and assert exactly one, or state plainly that it is
- unverified. Do not leave the overclaim in the record.
-
-### R9 — LOW — hygiene
-
-- `RuntimeAcceptedPositionDriveController` is `public sealed` with an internal
- ctor and all-internal members; its template `RuntimeFirstEntryDriveController`
- is `internal sealed`. Make it internal unless the public surface is genuinely
- required (if it is, say why).
-- `PlayerMovementController.cs:632` has a stale `` to
- a deleted member. Harmless only while `GenerateDocumentationFile` is off;
- `TreatWarningsAsErrors` is on, so it breaks the build the day docs are enabled.
-- `HeadlessSessionHost._currentSession` is never cleared on teardown.
-- Headless without a content lease leaves the drive controller null, so the
- ForcePosition and its ack are dropped entirely
- (`HeadlessSessionHost.cs:568-581`); previously the ack fired unconditionally.
-- `LiveEntityNetworkUpdateController.cs:1140-1155` fires
- `MarkLiveOwnerPoseDirty` and `ObserveAcceptedLocalPosition` for ANY non-
- `NotApplicable` status including `Rejected` and `Contention` — moving the
- streaming observer to a landblock we explicitly refused to place into.
-
-## Gate
-
-Unchanged: complete Release solution suite, not a focused subset. Pre-change
-baseline is 10,844 / 4 skipped / 0 failed; the first pass reached 10,848 with
-the defects above, so a green suite is necessary and demonstrably not
-sufficient. Both reviews must be re-run on the fixed diff before commit.
-
----
-
-# ROUND 2 — residuals after the R1-R9 fix round (2026-08-03)
-
-Both delta reviews returned FAIL again. Suite is green at 10,853 / 4 / 0, which
-again proves nothing. R2, R3, R4, R5, R6, R7 and R9 are confirmed genuinely
-fixed and must not be churned. Three blocking residuals remain, and **two of
-them are defects in the R1 reissue mechanism itself.**
-
-**Root of the problem: `_pending` has no single owner and no single lifecycle
-rule.** Round 1 bolted reissue onto ad-hoc per-branch bookkeeping. B1 wants MORE
-reissuing, N1 wants LESS, and N2 wants reissue to be a DIFFERENT route — they
-look contradictory only because there is no unifying rule. There is one.
-
-## The unified mechanism (implement exactly this — it replaces the ad-hoc rules)
-
-`RuntimeEntityPlacementToken` already carries `PositionAuthorityVersion`
-(`RuntimeSetPositionState.cs:50`). Make that the single decision input.
-
-**One rule:** the drive owns at most one in-flight placement for the local
-player. After any terminal outcome, and on every `Advance()`, compare the
-committed/parked token's `PositionAuthorityVersion` against the live record's
-current `PositionAuthorityVersion`:
-
-- **Equal** — the canonical accepted authority has not moved since this
- operation began. Nothing is outstanding. Clear `_pending`. Do not reissue.
-- **Advanced** — a newer accepted Position arrived while we were in flight, and
- it may have been the thing that killed our operation. Consult the newest
- accepted event's disposition (do NOT reuse `stale.Route`):
- - still **ForcePosition** — reissue, re-classifying from the current record.
- - now an ordinary **Apply** — clear `_pending` and do NOT reissue. The
- correction was superseded by newer server truth; the ordinary route owns
- that pose. This is not a silent drop: retail applies each event as it
- arrives, and a force correction overtaken by a newer position is moot.
-
-Route every terminal branch through one `_pending` funnel. No branch may assign
-or clear it directly.
-
-### B1 — BLOCKING — a force correction is still silently dropped (conformance)
-
-When a parked operation wakes and its `Place` is ACCEPTED by the sink, the
-operation leaves `_operations` but the completion is retained. `CancelCoreDeferred`
-then returns early at `RuntimeSetPositionState.cs:5141` without reaching
-`ForgetPlacementCompletionCore`, so the retained completion survives. The next
-ForcePosition hits `HasRetainedCompletion` (`:1319`) -> invalid token ->
-`Contention` (`RuntimeAcceptedPositionDriveController.cs:289-295`); both hosts
-return without placing or acking, and the next `Advance()` consumes the OLD
-completion and acks the OLD pose. That packet's correction is lost.
-
-One-frame window on the graphical host only (`_session.Tick()` inbound dispatch
-precedes `RetryPending()` in `RetailLiveFrameCoordinator`); headless is immune
-because its pump is adjacent to the readiness check. The DECLINED-`Place`
-variant is unaffected and needs no change.
-
-The unified rule fixes this: the new packet advanced `PositionAuthorityVersion`
-past the committed token, and the newest event is a ForcePosition, so it
-reissues.
-
-### N1 — BLOCKING — stale `_pending` causes a second placement AND a second ack
-
-`SubmitAndResolve(firstAttempt: true)` (`:297`) never inspects `_pending`, and
-only the `!firstAttempt` branches clear it (`:508-511`, `:482-484`, `:549-551`).
-So: park -> `Forget` wipes the watch -> the same packet's ForcePosition Begins
-cleanly and Commits -> ack fires -> `_pending` still holds the dead P1 -> next
-`Advance()` finds the watch dead -> `ReissueFromCanonical` -> **a second
-canonical placement and a second outbound `AutonomousPosition` for one server
-correction.**
-
-That is the double-apply/double-ack class this entire slice exists to delete
-(`670f307c`), reintroduced. `AssignPending` does not catch it because it is only
-reached on the DeferredCell/retryable branches. The unified funnel fixes it:
-equal versions -> clear, no reissue.
-
-### N2 — BLOCKING — reissue applies force semantics to an ordinary pose
-
-`ReissueFromCanonical` (`:418-447`) reuses `stale.Route` verbatim —
-`SetPositionSimple` + `Teleport|Slide|SendPositionEvent` +
-`SendPositionImmediately: true`. But the commonest way a park dies is an
-ordinary `Apply` Position, whose retail route
-(`RuntimeAuthoritativePositionRouteClassifier.cs:368-388`) is
-`Interpolate`/`NoPositionOperation`, `PhysicsSetPositionFlags.None`,
-`ConstrainPhase.BeforePositionOperation`, `SendPositionImmediately: false`.
-
-So the reissue converts an ordinary server echo into a hard `Teleport|Slide`
-canonical placement, sends an ack retail would never send on that branch, and
-skips the `ConstrainTo` the ordinary branch runs. My round-1 direction sanctioned
-re-issuing THE CORRECTION; it did not sanction re-classifying a different
-disposition's pose as a force. The unified rule fixes this by consulting the
-newest accepted disposition.
-
-If any residual divergence remains after this, it needs a
-`docs/architecture/retail-divergence-register.md` row in the same commit.
-
-### B2 — BLOCKING (record accuracy) — the plan claims coverage it does not have
-
-`docs/plans/2026-08-02-placement-cutover.md:287` reads "R8 added the App-layer
-double-write source pins the plan's own acceptance item required." That is a
-claim of coverage. The truth, per the adversarial review:
-
-- acceptance item 2's first half is **source-pinned, not proven** — the
- `Assert.Single` regex would still pass if a second write were spelled
- differently, and no test exercises the branch;
-- acceptance item 2's second half — **"the committed projection is what moves
- the render entity"** — is **uncovered at any layer**. No test drives a route-2
- ForcePosition through `RuntimePlacementPresentationSink` /
- `TryApplyRuntimePlacementPlace` and asserts the `WorldEntity` moved.
-
-Correct the text to record the gap explicitly. A documented gap is acceptable;
-a false claim of coverage is not. Same rule that produced R7.
-
-## Non-blocking — record, do not fix in this round
-
-- **N3** — headless never calls `RetryPending` after construction (grep finds no
- caller outside `src/AcDream.App/`). R4's fix depends on the subscription's
- retry, so a declined headless `Place` would wedge the ordered stream. Latent,
- not proven reachable. File it.
-- **N4** — `Advance()` lacks the `_driving` reentrancy latch its template
- `RuntimeFirstEntryDriveController.DriveAll:128-148` has. No live re-entrant
- path today. Hygiene.
-- **N5** — `CenterOnAcceptedForcePosition` does not restore
- `controller.LocalEntityId = record.LocalEntityId ?? 0u` (inert today, but an
- unreplaced deletion); `_movementTruthDiagnostics.OnServerEcho` no longer fires
- for a local ForcePosition (diagnostic only).
-- **R9 residue** — `ConstraintManager.cs:25` and `PhysicsBody.cs:442` still cite
- the deleted `BlipPosition` in `` tags (build-safe, but false docs).
-- **Route-1 ack** — the plan required confirming whether the ack fires while an
- initial-Create residence owns the record. It does not; `SendPositionImmediately`
- is consumed only as a trace fact in the continuation executor (`:717`, `:2576`).
- Not a regression, but the plan said file it. File it.
-- **AD register row** — the headless 3x3 collision window is now a named member
- of the Runtime-facing `IRuntimeDirectWorldProjection` contract with an ordering
- requirement retail has no analogue for, and no existing row covers it (AD-6 is
- retired; AD-2 is the graphical reveal barrier). Recommend a row.
-- **Stale comment** — the `HeadlessSessionHostTests` comment references "the
- previous 50.48f assertion", which does not exist at HEAD.
-
----
-
-# ROUND 3 — final round (2026-08-03)
-
-The round-3 **adversarial** review returned **PASS**. The round-3
-**conformance** review returned **FAIL on one item**. This round closes that
-item and files the adversarial review's non-blocking findings. The round-2
-unified `_pending` funnel was confirmed sound by both reviewers and was NOT
-restructured.
-
-## The blocker — a terminal-without-commit sent no ack (CLOSED)
-
-`SettlePending`'s Equal branch was reached both by a successful commit and by a
-terminal outcome that never committed (non-retryable prepare failure, the
-`default:` Rejected/Cancelled branch, and both `Advance` death branches). In the
-non-commit case the body never moved AND no outbound `AutonomousPosition` left.
-
-The conformance reviewer proposed a `committed` flag plus a
-one-re-issue-per-`Advance` guard. That is more than retail requires, and the
-retail evidence was re-verified from
-`docs/research/named-retail/acclient_2013_pseudo_c.txt` before coding:
-
-- `SmartBox::BlipPlayer` @0x00453940 (line 92528) calls
- `CPhysicsObj::SetPositionSimple(this->player, edi_1, 1)` @0x00453968 and
- **discards its return value**. `BlipPlayer` itself returns `void`.
-- `CPhysicsObj::SetPositionSimple` @0x005162B0 (line 284276) is declared
- `enum SetPositionError __thiscall`. Other retail call sites DO test it —
- `if (CPhysicsObj::SetPositionSimple(...) == OK_SPE)` at @0x0055605D and
- @0x00556021 — which proves the discard in `BlipPlayer` is deliberate, not a
- decompiler artifact.
-- `SmartBox::HandleReceivedPosition` @0x00453FD0's FORCE_POSITION branch calls
- `SmartBox::BlipPlayer` @0x00454074, stamps `update_times[0]` @0x00454079, then
- runs `cmdinterp->SendPositionEvent()` @0x00454091 **unconditionally** and
- returns @0x0045409D.
-
-Retail's semantics are therefore: **attempt the placement once; if it fails the
-body simply does not move; acknowledge regardless; never retry.** No commit flag
-and no recursion guard are needed to express that.
-
-**Implemented.** The ack is now sent exactly once per BEGUN placement, at its
-terminal outcome — from `ReconcileAndAcknowledge` on the commit path, or from
-`SettlePending` on a non-commit terminal. `SettlePending` gained a
-`positionEventOwed` parameter; `Pending` gained a `PositionEventOwed` field so
-the re-issue retry marker (which stands for a packet whose placement was never
-begun) cannot double-ack. The commit paths pass `false` because their ack has
-already left. The non-commit ack runs no reconciliation — the body did not move,
-so there is no committed frame to reconcile — and therefore carries the body's
-unchanged pose, which is exactly what retail's ack carries after a failed
-`SetPositionSimple` and is informative to the server: its force did not take.
-The `CanSendPositionEvent` gate was left untouched; it is retail's own
-(`CommandInterpreter::SendPositionEvent` @0x006B4770 tests the transient-state
-contact bits), so a legitimately airborne body still suppresses the send on both
-paths.
-
-`ReconcileAndAcknowledge` was split so both paths share one outbound site,
-`SendPositionEvent`.
-
-## Other items closed this round
-
-- **AD-62 rewritten.** The `DeferredCell`-park precondition is dropped — it was
- never required, and the never-parked failure paths reach the same outcome. The
- row now leads with the general rule and keeps the named shapes as examples,
- adds the externally-blocked `Contention` shape (nothing recorded, nothing
- pumps it) and the other `PositionAuthorityVersion` advances (`TryApplyPickup`
- `RuntimeEntityObjectLifetime.cs:1116`, `CommitPositionChannelUpdate` `:2041`,
- `AdvanceCreateAuthority` `:2466`), and separates the shapes that now lose only
- the re-apply from the narrower shapes that still lose the ack too.
-- **Overstated doc corrected.** `AcceptedForceObservation`'s comment claimed the
- record's current version equals the recorded force's version *if and only if*
- the newest accepted event was that force. False — `AdvancePositionAuthority`
- has four call sites. It is now stated as the one-way test it actually is.
-- **Vacuous assertion deleted.** The `gameActions.Count <= 2` assertion in
- `Advanced_ReissuesWhenTheNewestAcceptedEventIsStillAForcePosition` could not
- fail: that fixture's `CommitLandblockCollision` adds both landblocks at
- `worldOffsetX/Y: 0f` while the world frame places the deferred landblock at
- +192/+192, so the body lands over no terrain, `InContact` is false, and every
- ack is suppressed — the count is 0. It was also too loose to encode "at most
- one per packet". Deleted rather than shipped; the test's real discriminators
- (body position, `PendingCount`) stay.
-
-## Tests
-
-Two added, both with a verified discrimination check (the implementation was
-temporarily broken in each direction and the intended test observed to fail,
-then reverted and re-verified):
-
-- `TerminalWithoutCommit_SendsExactlyOnePositionEventAndLeavesTheBodyUnmoved` —
- a park retired without committing sends exactly one `AutonomousPosition`,
- performs no placement of its own, and never repeats on further pumps.
-- `Committed_SendsExactlyOnePositionEventAcrossTheCommitAndTheSettle` — the new
- settle-side ack does not become a second ack on the committed path.
-
-Two existing tests changed their ack expectation from `Assert.Empty` to
-`Assert.Single`, because they exercise terminal-without-commit paths whose
-`Empty` encoded the defect this round removes:
-`Equal_ClearsPendingWithoutReissuingWhenNoNewerAcceptedAuthorityArrived` and
-`Advanced_DoesNotReissueWhenTheNewestAcceptedEventIsAnOrdinaryApply`. In the
-latter the single ack belongs to the FORCE packet, not to the ordinary echo —
-retail's ordinary branch has no unconditional `SendPositionEvent`.
-
-Measurement note, recorded because it corrects an assumption in this file's
-round-2 text: the `DeferredCell` park these fixtures use is the POST-engine
-quiescence park, so `_physics.Engine.SetPosition` has already moved the
-canonical body to the destination while the placement itself is withdrawn and
-parked. The new test therefore captures its unmoved/no-further-placement
-baselines at the park, and asserts them across the terminal settle, which is the
-thing under test.
-
-## Filed, not fixed
-
-`docs/ISSUES.md` #293 (the `DeferredCell` branch still consumes `Withdraw`
-receipts the sink may have declined — the same shape R4 removed for `Place`),
-#294 (`ReconcileAndAcknowledge` runs before the funnel's currency guard on the
-deferred wake), #295 (the retry marker inflates
-`AcceptedPositionDrivePendingCount`, which is an in-flight-placement counter),
-#296 (a retryable prepare is reported to hosts as `Contention`, conflating a
-retained-and-pumping case with a dropped one).
-
-## Gate
-
-Complete Release solution suite, unchanged discipline: green is necessary and
-demonstrably not sufficient — all four prior states were green and three were
-defective.
diff --git a/docs/research/2026-08-03-c4-route-2-visual-gate.md b/docs/research/2026-08-03-c4-route-2-visual-gate.md
deleted file mode 100644
index ce98a949..00000000
--- a/docs/research/2026-08-03-c4-route-2-visual-gate.md
+++ /dev/null
@@ -1,136 +0,0 @@
-# C4 route 2 — ForcePosition: connected visual gate (2026-08-03)
-
-Hand-off for the user-facing acceptance test. Two commits are in scope:
-
-- `9966b531` — C4 route 2, ForcePosition through the canonical placement.
-- `69ba9486` — retail's `@pklite` client command, the lever this gate needs.
-
-Complete Release suite green at 10,867 / 4 skipped / 0 failed. Both Opus
-reviews PASS on route 2's final diff.
-
-## Why `@pklite` is the lever
-
-ACE advances `SequenceType.ObjectForcePosition` in exactly two places
-(`Player.cs:1148`, `Player_Tick.cs:488`). The second is an anti-cheat
-rubber-band that needs the server to believe you are fly-hacking — no command
-path reaches it. So the first is the only usable trigger:
-`Player.HandleActionEnterPkLite` bumps the sequence when entering PK Lite finds
-you physically overlapping something (`Player.cs:1130-1150`, gated on
-`allow_pkl_bump`, default true).
-
-**Admin teleports do NOT produce a ForcePosition.** `@teleto`, `@teletome`,
-`@teleloc`, `@movetome` all route through `Teleport()` / `SendUpdatePosition(true)`
-and advance `ObjectTeleport` instead (`PositionPack.cs:49-52`). Those exercise
-route 3. Testing route 2 with them would give a false pass.
-
-## Read this before you start — the state change is one-way
-
-Entering PK Lite is a **persistent character state change**. Once `+Acdream` is
-PKLite, `ClientCommunicationSystem::DoPKLite` @0x0057A490 rejects every later
-`@pklite` (its `IsPlayerKiller` check @0x0058C910 is true for the PK bit `0x20`
-OR the PKLite bit `0x2000000`). Retail's own help text says the status reverts
-only by dying in a PK Lite battle and logging off.
-
-Practical consequence: **the bump test is effectively one shot per character.**
-Do the two no-op checks first, and consider a throwaway character for step 3 if
-you want to keep `+Acdream` NPK.
-
-Also possible: `+Acdream` may already be PK or PKLite, in which case step 3
-answers with the rejection message immediately. That is still a valid test of
-the gate — just not of the bump.
-
-## Launch
-
-Release, retail UI, per the project's standing rule for visual gates.
-
-```bash
-dotnet build -c Release
-```
-
-```powershell
-$env:ACDREAM_DAT_DIR = "$env:USERPROFILE\Documents\Asheron's Call"
-$env:ACDREAM_LIVE = "1"
-$env:ACDREAM_TEST_HOST = "127.0.0.1"
-$env:ACDREAM_TEST_PORT = "9000"
-$env:ACDREAM_TEST_USER = "testaccount"
-$env:ACDREAM_TEST_PASS = "testpassword"
-$env:ACDREAM_RETAIL_UI = "1"
-dotnet run --project src\AcDream.App\AcDream.App.csproj --no-build -c Release
-```
-
-## Step 1 — `@pklite` argument guard (changes nothing)
-
-Type `@pklite foo`.
-
-Expect a local message pointing you at `@help pklite`, and **nothing sent to
-the server**. Retail's `DoPKLite` returns early on any trailing argument text
-without building the game action.
-
-## Step 2 — the command is recognised, not forwarded as chat (changes nothing)
-
-Type `/pklite` and `@pklite` and confirm neither appears in chat as literal
-text. Before this commit they fell through to the server-text path, and ACE —
-which has no `pklite` command handler — silently ignored them. Both forms must
-now resolve as a client command.
-
-If `+Acdream` is already PK or PKLite you will get *"Only Non-Player Killers
-may enter PK Lite"* here. That is the correct retail rejection (WeenieError
-`0x507`) and proves the gate works; it also means the bump in step 3 is not
-available on this character.
-
-## Step 3 — the ForcePosition bump (one shot; changes character state)
-
-1. Bring a second character online standing somewhere reachable. The retail
- client in parallel is ideal — it doubles as the two-client observation.
-2. On `+Acdream`, `@teleto `. This is an ACE server command
- and forwards as text. You should land in physical overlap.
-3. **Immediately** type `@pklite`. Do not let time pass — ordinary collision
- resolution will otherwise have already pushed you apart, leaving nothing to
- bump.
-4. Wait ~1-2 s for the PK Lite entry animation. ACE then runs
- `ethereal_check_for_collisions()`, resolves with
- `SetPositionSimple(..., sliding: true)`, bumps `ObjectForcePosition`, and
- sends the correction.
-
-You should see a short slide off the other character. That slide is the
-ForcePosition.
-
-## What to watch — in priority order
-
-**1. Your facing must not change.** Retail's force branch replaces the
-destination heading with your current heading before placing
-(`HandleReceivedPosition` @0x00453FD0, `Frame::set_heading` @0x00454068). If
-your character or camera snaps to a new heading on the bump, that is a failure.
-
-**2. No double-apply.** You end at the corrected position and stay there. A
-visible snap-then-yank-back over one or two frames means the old duplicate
-writer is somehow still live.
-
-**3. The leash.** This is the change most worth your eyes, because #167 was a
-leash bug. Route 2 stopped re-arming the constraint leash on this route —
-retail's force branch returns at `0x0045409D`, ahead of all three `ConstrainTo`
-sites, and our old code cited a branch it was not on. After the bump, run
-around normally for a bit. Symptoms of a problem: movement feels tethered,
-rubber-bands toward the pre-bump spot, or the leash trips during ordinary
-running shortly afterwards.
-
-**4. Blast radius.** Route 2 deleted `BlipPosition` and `BlipLocalPlayer` and
-re-routed the local player's accepted placement through the canonical
-transaction, so confirm ordinary play is untouched: running and turning,
-walk/run toggle, a jump and landing, a doorway into an interior and back out,
-a portal recall, and a dungeon portal. Anything wrong there is route 2's fault
-even though route 2 did not intend to touch it.
-
-## Known and deliberate
-
-- **AD-62.** A ForcePosition our async collision publication cannot carry to a
- committed placement is not re-applied. Retail has no park — its world is
- fully resident and its placement synchronous — so the state is unreachable
- there. In practice the next accepted Position (ACE broadcasts at 5-10 Hz)
- carries the corrected pose forward.
-- **Acceptance item 2 is not met** (#292): the App-layer double-write check is
- a source pin, and "the committed projection moves the render entity" is
- uncovered at any layer. Recorded, not claimed.
-- Retail's `SmartBox::PlayerPositionUpdated` @0x00453870 gates its viewer
- re-seat on `distance >= GetAutonomyBlipDistance`; we publish the render root
- unconditionally. Not changed in this slice.
diff --git a/docs/research/2026-08-03-c4-route-4-scoping.md b/docs/research/2026-08-03-c4-route-4-scoping.md
deleted file mode 100644
index ad733510..00000000
--- a/docs/research/2026-08-03-c4-route-4-scoping.md
+++ /dev/null
@@ -1,175 +0,0 @@
-# C4 route 4 — scoping, and a stop-and-re-plan (2026-08-03)
-
-Scoped at HEAD `e3b766d9`, after route 2 shipped. **This is not a contract.** The
-scoping says route 4 is materially larger than the budget it was given, so the
-correct next action is a user decision, not an implementation pass.
-
-## The budget, and how it failed
-
-After route 2 I pinned a falsifiable bet: *routes 4-7 reuse the seam route 2
-built, so their marginal cost should be far lower — well under 400 production
-lines. If route 4 also costs ~900, the bet is dead and that is the signal to
-stop and simplify.*
-
-**Estimate: 1,500-2,500 lines of new/changed production code**, plus ~1,700
-lines of test re-modelling. The bet failed before implementation started.
-
-But it failed for a reason worth stating precisely, because it changes what to
-do about it: **the seam generalises fine. Route 2 was just not a representative
-unit.**
-
-| | route 2 | route 4 |
-|---|---|---|
-| entities | 1 (local player) | N (every visible remote) |
-| dispositions | 1 (ForcePosition) | 4 (SetPosition / SetPositionSimple / Interpolate / NoPositionOperation) |
-| execution paths | 1 | 2 (canonical SetPosition **and** the interpolation queue) |
-| teleport hook | never | `BeforePositionOperation` |
-| constrain phase | never | `AfterPositionOperation` |
-| duplicate authorities to delete | 2 | **6** |
-| outbound ack | owns it | none |
-| frequency | ~never | 5-10 Hz x N |
-
-I chose route 2 first because it was simplest to reason about, then used it to
-calibrate everything after it. That was the error: a one-entity, one-disposition,
-no-interpolation route is the floor, not the median.
-
-## What is genuinely reusable (the good news)
-
-- The begin/prepare/submit/commit chain is **entity-kind agnostic** — no
- local-player precondition anywhere in `TryBeginExclusiveAuthoredPlacement` →
- `TryPrepareAndSubmitAuthoredPlacement` → `SubmitPreparedPlacementCore`.
-- The classifier's remote branches are **retail-exact already** (verified against
- `CPhysicsObj::MoveOrTeleport` @0x00516330 on all five behaviours).
-- The placement receipt → presentation path is already entity-agnostic; C3c
- drives remote Creates through it today.
-- **All remote physics state already lives in Runtime** (J5.5) — `RemoteMotion`,
- `EntityPhysicsHost`, the interpolation queue. No assembly boundary to cross.
-- **`RuntimeAcceptedPositionDriveController` itself is ~15-20% liftable** — the
- architecture, not the code. It is single-entity and ack-owning by construction
- (`_pending` is one slot and `RetainPending` throws on a second).
-
-## Four findings that change the campaign plan, not just route 4
-
-**1. Route 4's Create half is already done.** C3b/C3c landed
-`RuntimeRemoteFirstEntryState` + `RuntimeRemoteBodyDescription` and flipped both
-hosts' Creates onto the residence conductor. Route 4's remaining work is
-**steady-state remote Position plus the deletions**. The route title is
-misleading and will send an implementer hunting for a flip that already happened.
-
-**2. AP-131 cannot be retired by route 4.** The row covers two halves: the
-`!HasAnims` gate on `SetPlacementFrame`, and the FORCE_POSITION branch skipping
-`unset_parent`. Route 2 did **not** fix the second — it consumes an
-already-merged snapshot, so a ForcePosition still passes
-`installPlacementFrame: true, clearParent: true`. Retiring AP-131 needs the
-unconditional merge gone for *every* Position: remote (route 4), local
-ForcePosition (a route-2 residual), **and local ordinary-Apply — which no route
-in the eight-route inventory owns.** Either widen route 4 or move AP-131 to C5
-with those two as prerequisites. Pinning "route 4 retires AP-131" pins something
-route 4 alone cannot deliver.
-
-**3. #277's bound breaks.** Its safety argument is that the collision window is
-strictly larger than ACE's Create-broadcast group, so the far set is empty. That
-is a statement about *Creates*. A steady-state Position can carry a remote out of
-the window with no Create at all — a creature wandering off, or the >=96 m
-far-snap branch by definition targeting something distant. Route 4 introduces a
-second producer of far parks the radius argument never covered. Needs a
-Position-time service-window guard on **both** hosts; headless has the predicate,
-the graphical host has none and one must be built.
-
-**4. N3 stops being latent.** The route-2 round-2 finding — headless never calls
-`RetryPending` after construction, so a declined `Place` would wedge the ordered
-stream — was filed as latent because headless remotes produced no placement
-receipts. Route 4 makes them produce receipts for the first time. **Fix N3 in
-route 4 or the headless stream wedges.**
-
-## Three unfiled divergences found during scoping
-
-Our production remote path diverges from the retail classifier on five
-behaviours; three have no register row:
-
-- **NPC airborne hard-snap** (`LiveEntityNetworkUpdateController.cs:1819-1823`)
- writes `Body.Position`/`Orientation` and never consults `update.IsGrounded` at
- all — it branches on the client-tracked `rmState.Airborne`. Retail returns 0
- and writes nothing (@0x0051636D).
-- **`ConstrainTo` armed before the operation, unconditionally** (`:1522-1529`),
- so it arms on the airborne no-op retail skips and anchors to the *pre*-move
- position on the far branch. Retail arms it *after* a nonzero `MoveOrTeleport`,
- anchored to the post-move `m_position` (@0x00454254-@0x00454272).
-- **`ConstrainTo` never armed on the remote teleport branch** (the path returns
- at `:1504`, before `:1522`), where retail *does* re-arm after `teleport_hook`'s
- `UnConstrain`.
-
-Route 4 fixes all three by construction — which means **route 4 is a behaviour
-change to every visible creature in the game, not a refactor.**
-
-## Allocation: not the blocker anyone feared
-
-The inventory's "frame-frequency routes are blocked on placement allocation"
-warning was written pre-C2 and before anyone checked which branch remotes take.
-The steady state — nearby, grounded, non-teleporting — classifies to
-**`Interpolate`, which runs no SetPosition at all**. The 944 B/op cost applies
-only to teleports, cellless first placements, and >=96 m remotes.
-
-Arithmetic (assumptions, not a capture): 40 remotes x 7 Hz with ~10% on a
-SetPosition branch ~= 26 KB/s. Pathological dense-town worst case ~= 264 KB/s,
-about 2.4% of the Slice-G5 profile. **Not a blocker — provided the near branch
-stays out of `SetPosition`.** The contract must forbid routing every remote
-Position through it "for uniformity".
-
-Unmeasured and worth measuring before pinning a budget: the legacy path's actual
-cost (no gate covers `PhysicsEngine.SetPosition`), and the real near/far split in
-live play.
-
-## Route 4's one big advantage: it is trivially observable
-
-Route 2 cost five review rounds largely because nothing a user could do would
-trigger it. Route 4 is the opposite — every remote entity exercises it
-continuously. Six checks, all within two minutes of ordinary play with a second
-character:
-
-1. **Near interpolate** — second character walks/runs in a circle 5-15 m away.
- Smooth motion, no per-packet stepping.
-2. **Airborne no-op** — they jump, and jump off a ledge. Clean parabola, clean
- landing. Watch for invisible-but-solid, the #184 signature.
-3. **Far-snap** — they run >96 m and back. No freeze at the boundary, no wrong Z.
-4. **Remote teleport** — portal/recall out and back, plus an admin `@teleto`.
- Arrive grounded, animating, immediately targetable.
-5. **The leash** — route 4 moves `ConstrainTo` from before to after, stops arming
- it on the airborne no-op, starts arming it on teleport. #167 was a leash bug.
-6. **Creature blast radius** — pull a drudge, let it chase, melee it, let it die.
-
-Weight this gate heavily. All four route-2 states were green and three were
-defective; route 4 finally has a real oracle.
-
-## The decision
-
-Route 4 is worth doing — it fixes three unfiled divergences affecting every
-creature, retires the largest duplicate-authority cluster in the codebase, and
-builds the seam route 5 needs (the classifier gives Projectile *identical*
-branches to Remote). But it is a 1,500-2,500 line behaviour change, not a wiring
-job, and it should not start on a budget everyone knows is wrong.
-
-Options, in the order I would rank them:
-
-**A. Split route 4 into 4a and 4b.** 4a = the interpolation/near path plus the
-airborne no-op (the steady state, highest visible value, no park hazard, no
-service-window work). 4b = teleport/far/cellless, which is where the parks, the
-service-window guard, N3 and #277 all live. Each gets its own contract, gate and
-review. Roughly halves the blast radius per commit and puts the observable win
-first.
-
-**B. Do route 4 whole against a corrected budget** (~2,000 lines, 2-3
-implementation passes, one adversarial review per pass). Honest, but it is a
-large single commit touching every visible creature.
-
-**C. Defer route 4; do routes 5-7 first.** Rejected — route 5 needs the same
-seam, so this just moves the cost.
-
-**D. Stop the campaign here and simplify instead.** The complexity concern that
-prompted the budget is real, and `RuntimeSetPositionState` at 5,652 lines is the
-obvious target. But route 4 is where three live divergences get fixed, so
-stopping leaves known-wrong behaviour in the client.
-
-**Recommendation: A.** It respects the budget's intent — keep each landing small
-enough to review — without abandoning work that fixes real bugs. It also front-
-loads the part with a clean live gate and defers the part with the known traps.
diff --git a/docs/research/2026-08-03-c4-route-4a-contract.md b/docs/research/2026-08-03-c4-route-4a-contract.md
deleted file mode 100644
index 4c0b2706..00000000
--- a/docs/research/2026-08-03-c4-route-4a-contract.md
+++ /dev/null
@@ -1,191 +0,0 @@
-# C4 route 4a — remote steady-state Position: pinned contract (2026-08-03)
-
-Route 4 split into 4a/4b by user direction after scoping put the whole route at
-1,500-2,500 lines against a ~400 budget. Scoping:
-[`2026-08-03-c4-route-4-scoping.md`](2026-08-03-c4-route-4-scoping.md).
-
-**4a is the steady state: the two classifier branches that perform NO
-`SetPosition`.** Everything that parks, teleports, or snaps is 4b.
-
-## Scope — exactly two classifier branches
-
-`RuntimeAuthoritativePositionRouteClassifier.ClassifyAcceptedPosition`
-(`:393-472`), remote/projectile arms:
-
-| Branch | Condition | Runs SetPosition? | In 4a? |
-|---|---|---|---|
-| `NoPositionOperation` | `!effectiveContact` (wire `IsGrounded == false`) | no | **YES** |
-| `Interpolate` | contact, `PlayerDistance < 96 m` | no | **YES** |
-| `SetPositionSimple` | contact, `PlayerDistance >= 96 m` | yes | no — 4b |
-| `SetPosition` | `TeleportAdvanced` or `CommittedCellId == 0` | yes | no — 4b |
-
-Because neither 4a branch performs a placement, 4a has **no deferred-cell park,
-no service-window guard, no allocation exposure, and no interaction with
-`Forget`-on-every-accepted-Position.** That is the entire reason for the split;
-do not drag any of it in.
-
-## Staged cutover — the one sanctioned dual path
-
-4a routes the two no-placement branches through the new Runtime seam and leaves
-the other two on the legacy App path until 4b. **This is a staged cutover, not a
-duplicate authority**, and it is only sanctioned under these conditions:
-
-1. The discriminator is the CLASSIFIER ITSELF, not a heuristic, a flag, or a
- guess. One classification, one owner, mutually exclusive by construction.
-2. For a classification 4a owns, the legacy path must not run **at all** — not
- partially, not "just the render write". Route 2's original defect was exactly
- a second writer running after the canonical one.
-3. The fallback is temporary and 4b deletes it. Record that in the code comment
- at the branch point, with a pointer to this contract.
-
-If you find yourself needing a condition beyond "what did the classifier say",
-STOP and report — that means the seam is wrong.
-
-## Retail truth (verify each yourself; do not trust this table)
-
-`CPhysicsObj::MoveOrTeleport` @0x00516330 (pseudo-C 284304):
-
-- **Airborne no-op** @0x0051638E / @0x0051636D: `arg4 == 0` (the wire
- `has_contact` bit) -> **return 0. Nothing is written at all.**
-- **Near interpolate** @0x005163AF: `player_distance < 96f` ->
- `InterpolateTo(arg2, IsMovingTo())`. No body write.
-- `player_distance` is retail's own field — distance to the local player.
-
-`SmartBox::HandleReceivedPosition` @0x00453FD0, remote branch:
-
-- `unset_parent` @0x00454129 unconditional; `SetPlacementFrame` @0x00454142
- gated on `!HasAnims`.
-- **`ConstrainTo` @0x00454272 runs AFTER `MoveOrTeleport` returns nonzero**,
- anchored to `&arg2->m_position` — the object's own position read live, i.e.
- POST-move. It does not run when `MoveOrTeleport` returned 0 (the airborne
- no-op).
-
-## The two divergences 4a must fix
-
-**D1 — the NPC airborne branch ignores the wire bit.**
-`LiveEntityNetworkUpdateController.cs:1819-1823` hard-snaps
-`Body.Position`/`Orientation` for NPCs and branches on the client-tracked
-`rmState.Airborne` flag, never consulting `update.IsGrounded`. Retail writes
-nothing. Player remotes already behave correctly (`:1590-1599`); NPCs do not.
-No register row exists.
-
-**D2 — `ConstrainTo` is armed before the operation, unconditionally.**
-`:1522-1529` arms it ahead of the branch, so it fires on the airborne no-op
-retail skips and anchors to the PRE-move position. Retail arms it after, only on
-a nonzero return, anchored post-move. No register row exists.
-
-(The third divergence — `ConstrainTo` never armed on the remote teleport branch
-— is on a 4b path. Leave it; 4b owns it.)
-
-## Duplicate authorities 4a deletes
-
-Only the parts reachable from the two 4a branches:
-
-- The generic tail's remote RENDER-POSE writes (`entity.SetPosition` /
- `ParentCellId` / `Rotation`) for a remote whose classification is
- `Interpolate` or `NoPositionOperation`.
-
- > **CORRECTED 2026-08-03 (review finding R1,
- > [`2026-08-03-c4-route-4a-review-findings.md`](2026-08-03-c4-route-4a-review-findings.md)).**
- > This bullet originally also listed `RebucketLiveEntity`, and said the
- > result "must reach the render entity through the existing
- > placement-projection sink instead — the same substitution route 2 made."
- > That instruction was copied from route 2 and does not transfer: route 2
- > performs a placement and therefore has a committed receipt to project,
- > while NEITHER 4a branch performs a placement, so nothing substitutes for
- > the bucket transaction. **The rebucket keeps running for both 4a
- > classifications.** It is the only site that moves an ordinary moving
- > remote's draw bucket, commits its canonical `FullCellId`, and recovers a
- > pending bucket promotion (`GpuWorldState`, the 2026-07-03 invisible-player
- > fix); deleting it produced the #184-class invisible-but-solid creature
- > through a different door.
-- The player-remote near/far routing at `:1653-1702` and the NPC copy at
- `:1826-1871` — **the near half only.** Each has its own duplicated copies of
- `MaxPhysicsDistance = 96f` and `BodySnapThreshold = 4f`; the far half stays
- until 4b.
-- The airborne no-op blocks at `:1590-1599` (player) and `:1819-1823` (NPC).
-- The unconditional `ConstrainTo` at `:1522-1529`.
-
-Do NOT touch `RemoteTeleportController`, `RemoteTeleportPlacement`, or the
-`remotePlacementRequired` path — all 4b.
-
-## Load-bearing acdream additions that must survive
-
-**AP-87** (`retail-divergence-register.md:242`) — the `bodyToTarget > 4 m` and
-`!willBeDrTicked` snap conditions on the near branch are NOT in retail and NOT
-in the classifier. They are load-bearing: they prevent the #184
-invisible-but-solid monster. Either carry them explicitly as an acdream policy
-layer over the retail classification, or retire them with live evidence and the
-register row deleted in the same commit. **Silently dropping them by delegating
-to the classifier is the failure mode.** Say which you chose.
-
-**TS-44** (`:1792-1801`) — sticky-melee suppression of the NPC snap. Same rule.
-
-## Contract
-
-1. One Runtime owner executes the accepted remote Position for the two 4a
- classifications; App projects the result.
-2. Both hosts drive the identical Runtime entry point.
-3. The interpolation queue (`RemoteMotion.Interp`) stays the owner of near
- motion — 4a routes to it, it does not replace it. All of it is already in
- Runtime (J5.5); no assembly boundary is crossed.
-4. Stale sequences, GUID reuse, incarnation change, and generation change cannot
- commit old state. N entities, so per-entity currency — route 2's `_pending`
- was one slot and `RetainPending` threw on a second; that shape does not
- transfer.
-5. The airborne branch writes NOTHING (retail returns 0). Not the body, not the
- render entity, not the cell.
-
- > **AMENDED 2026-08-03/04 (review finding R4).** As shipped, the branch
- > retains exactly two acdream bookkeeping writes — `rmState.CellId` and
- > `LastServerPos`/`LastServerPosTime` — on both arms. These are not part of
- > retail's model (retail's `MoveOrTeleport` has no catch-up sweep and no
- > staleness timer to keep alive), and dropping them would break the
- > per-tick free-fall sweep and the staleness timer respectively. Verified
- > NOT a canonical cell commit for ordinary remotes: `RemoteMotion.CellId`
- > only delegates to `RuntimePhysicsState` when `_canonicalCellWriter` is
- > bound, which is projectiles-only, and projectiles return earlier.
- > Recorded as register row **AP-135**. Everything else the branch used to
- > do — body pose, queue, leash, render entity, shadow publish, and the
- > velocity-derived animation cycle — is genuinely skipped.
-6. `ConstrainTo` moves to after the operation, anchored post-move, and does not
- run on the airborne branch.
-7. No behaviour change to the far, teleport, or cell-less branches.
-
-## Acceptance
-
-- Focused Runtime tests for both branches, per-entity currency, and the AP-87 /
- TS-44 decision.
-- App tests proving the generic tail no longer double-writes a remote on a 4a
- classification — **behavioural, not a source-text pin.** Route 2's equivalent
- was source-pinned and that gap is filed as #292; do not repeat it.
-- Complete Release suite green. Baseline at the time of writing:
- **10,904 passed / 4 skipped / 0 failed**. Known flake #302
- (`PortalProjectionTests.ClipToRegion_FrameOwnedStore_ReusesExactResultArray`,
- ~1 in 6) — re-run, do not chase.
-- **Connected (user-gated), and unlike route 2 this is trivial:** stand still,
- have a second character walk and run in a circle 5-15 m away, turning in
- place. Motion must be continuous and smooth with no per-packet stepping. Then
- have them jump and jump off a ledge — a clean parabola, clean landing, no
- mid-air correction, and critically no invisible-but-solid body (the #184 /
- AP-87 signature). Then pull a drudge, let it chase, melee it, let it die.
-- Divergence ledger: D1 and D2 retired by fix in the same commit. AP-131 stays.
- AP-87 / TS-44 either stay with justification or are retired with evidence.
-- **Added 2026-08-03 (review finding R15).** D1 makes ACE's wire `IsGrounded`
- newly load-bearing for NPC remotes: ACE emits it from
- `TransientState & OnWalkable` (`PositionPack.cs:73`), while acdream's NPC
- free-fall was gated on the client-tracked `rmState.Airborne` (set only by
- `0xF74E` VectorUpdate or `!Body.OnWalkable`, never from the wire bit). A
- creature ACE reports as not-in-contact while the client believes it grounded
- now receives NO correction where the legacy routing pulled it. **Push a
- monster off a ledge / pull one down a cliff**, and confirm it falls and
- lands without hovering, without a mid-air correction, and without an
- invisible-but-solid body.
-
-## Budget
-
-Stated up front so it can fail: **4a should be well under 400 production
-lines**, because it adds no placement machinery — it routes two no-op
-classifications and deletes their duplicates. If it exceeds that, stop and
-report before continuing; that would mean the split did not actually isolate the
-cheap half and 4b needs re-planning too.
diff --git a/docs/research/2026-08-03-c4-route-4a-review-findings.md b/docs/research/2026-08-03-c4-route-4a-review-findings.md
deleted file mode 100644
index f4b68c33..00000000
--- a/docs/research/2026-08-03-c4-route-4a-review-findings.md
+++ /dev/null
@@ -1,269 +0,0 @@
-# C4 route 4a — dual review findings, and a contract correction (2026-08-03)
-
-Both mandated reviews returned **FAIL**. Nothing is committed. This supersedes
-the 4a contract where they disagree, and **corrects an error in that contract
-that caused one of the findings.**
-
-Reviews: retail-conformance (Opus) and adversarial/architecture (Opus), run
-independently against the same uncommitted diff. Suite was green at 10,917/4/0,
-which again proves nothing.
-
-## Verified correct — do not churn
-
-- The Runtime seam `RuntimeRemoteSteadyStatePosition.cs` itself: pure,
- stateless, correctly decomp-anchored, genuinely well tested. Both reviewers
- passed it standalone.
-- Retail truth re-verified independently: `MoveOrTeleport` @0x00516330
- `arg4 == 0` -> `return 0` writing nothing; `player_distance < 96f` ->
- `InterpolateTo`; `ConstrainTo` @0x00454272 only inside
- `if (MoveOrTeleport(...) != 0)`, anchored post-move.
-- AP-87's two headline conditions survive with identical semantics and no
- bypass path.
-- `skipGenericPositionWrite` IS derived purely from classification (the staged-
- cutover discriminator condition is met).
-- Per-entity currency on the callee is sound; the caller re-validates
- `IsCurrentPositionAuthority` between classify and apply.
-- Budget respected: ~343 production lines against ~400.
-
----
-
-## R0 — CRITICAL, and it is a defect in ALREADY-COMMITTED route 2
-
-**`AcceptedPhysicsTimestamps.PreviousTeleport` is always 0 on the live Position
-path.** `InboundPhysicsStateController.cs:636` calls `Current(gate,
-teleportAdvanced: ...)` and omits the `previousTeleport` argument, which
-defaults to 0 (`:1119`). The ONLY site that populates it is `:926-941`, the
-deferred initial-create path — which is why the continuation executor is correct
-and every newer consumer is not. Verified first-hand.
-
-Two live consequences:
-
-**(a) Route 2, at HEAD, silently drops force corrections.**
-`LiveEntityNetworkUpdateController.cs:1199` and
-`RuntimeLiveEntitySessionController.cs:268` feed the always-zero value into the
-route-2 drive, where `ValidAcceptedAuthority` (classifier `:524-525`) requires
-`Previous == Accepted` for `ForcePosition`. For any local player whose
-TELEPORT_TS is nonzero — i.e. anyone who has portalled or recalled this session
-— the authority is rejected and the correction is dropped. The user's `@pklite`
-acceptance was genuine but narrow: that character had not teleported, so the
-stamp was still 0.
-
-**(b) Route 4a misclassifies every previously-teleported remote.**
-`TeleportAdvanced` becomes `IsNewer(0, T)`, true for any `T` in `[1, 0x7FFF]`,
-so the classifier returns `SetPosition` — a disposition 4a does not own — and
-(per R3) the entity falls into the far-snap arm and hard-snaps on EVERY packet
-at 5-10 Hz. That is worse than the pre-4a behaviour it replaced, and it is
-exactly the per-packet stepping the connected gate screens for. Reachable the
-first time an observed character portals or recalls, permanently thereafter.
-
-**Fix at the source**: capture `previousTeleport = gate.TeleportTimestamp`
-BEFORE `TryAcceptPositionEvent` mutates it, and pass it into `Current` — the
-shape `:926` already uses. Then audit every consumer.
-
-**Commit this separately and first.** It is a shipped-code defect independent of
-4a, and it needs its own bisectable commit and its own issue.
-
----
-
-## R1 — HIGH — my contract was wrong: the rebucket must NOT be deleted
-
-The 4a contract listed `RebucketLiveEntity` among the generic-tail writes to
-delete, and said the result "must reach the render entity through the existing
-placement-projection sink instead." **That instruction was copied from route 2
-and does not transfer.** Route 2 performs a placement and therefore has a
-committed receipt to project. 4a's two branches perform NO placement, so there
-is no receipt and nothing substitutes for the bucket transaction. The
-implementer followed the contract precisely; the contract was wrong.
-
-`skipGenericPositionWrite` currently also gates
-`_liveEntities.RebucketLiveEntity` (`:1400`), which is the ONLY site that moves
-an ordinary moving remote's spatial bucket (the nine other call sites are
-player, projectile, teleport, hydration, materialization, equipped-child and
-rescue paths; the per-tick DR writers deliberately do not rebucket — see
-`LiveEntityRuntime.cs:856-858`). So for every grounded remote inside 96 m none
-of these runs again: the GPU draw bucket, `IsSpatiallyVisible` +
-`RefreshPresentation`, `CommitRebucket` (the canonical `FullCellId`), the
-`prepare_to_enter_world` clock rebase, and `PublishProjectionVisibilityChanged`.
-
-Failure: a creature chasing you across a landblock boundary keeps its body and
-collision shadow but leaves its draw bucket behind, is frustum-culled, and goes
-**invisible-but-solid** — the #184 class AP-87 exists to prevent, through a
-different door. Secondary: the stale `FullCellId` feeds back as the classifier's
-own `CommittedCellId` and as the `ConstraintDistance` cell key.
-
-**Required: keep the rebucket running for both 4a classifications.** Delete only
-the three render-pose writes. Also note R12 below: the per-UP rebucket doubles
-as the pending-bucket promotion recovery (`GpuWorldState.cs:1113-1126`, the
-2026-07-03 invisible-player fix) — the cell-change-gated canonical commit does
-not cover it.
-
----
-
-## R2 — HIGH — the App acceptance tests are tautologies
-
-`LiveEntityNetworkRemoteSteadyStateIntegrationTests.cs:75-86` recomputes
-`skipGenericPositionWrite` in the test body, asserts it true, then places the
-mutation inside `if (!skipGenericPositionWrite)` — a branch the preceding assert
-proves unreachable. The second test writes the tail sync itself and then asserts
-its own arithmetic. **Both pass unchanged with the production file reverted to
-HEAD**, and the fixture supplies a correct `Previous/Accepted` teleport pair
-that production never produces, so the suite is structurally incapable of
-catching R0(b).
-
-This is #292 again, in a WEAKER form than route 2's: a source-text pin at least
-fails when the source changes; this never observes production at all. The
-contract's acceptance bullet said "behavioural, not a source-text pin… do not
-repeat it."
-
-**Required: a test that fails if the generic tail double-writes a remote.** If
-`LiveEntityNetworkUpdateController` genuinely cannot be constructed, then extract
-the decision+mutation into something that CAN be tested and have production call
-it — do not simulate production in the test body.
-
----
-
-## R3 — HIGH — "not Interpolate" is treated as "far", mis-owning five dispositions
-
-Player `:1723-1740`, NPC `:1867-1888` use `if (Interpolate) … else `.
-The `else` also swallows `SetPosition` (cell-less half — `remotePlacementRequired`
-covers only the teleport half), `RejectedAuthority`, `RejectedData`, and `null`.
-So a wire quaternion failing validation, or a cell-less remote, now hard-snaps
-every packet where the legacy code did distance-based routing — a behaviour
-change to branches contract item 7 forbids touching. `ClassifyRemoteAcceptedPosition`'s
-own doc comment (`:47-50`) claims null leaves the legacy path "completely
-unchanged"; that is false.
-
-**Required: test explicitly for the two dispositions 4a owns. Everything else
-falls through to untouched legacy routing.** One classification, one owner.
-
----
-
-## R4 — HIGH — the NPC airborne branch still writes cell, render entity and shadow
-
-Contract item 5 says the airborne branch writes NOTHING. The player arm complies
-(`:1624-1628` returns). The NPC arm only skips the snap and falls through to
-`rmState.CellId = p.LandblockId` (`:1931` — which commits the canonical cell via
-`RemoteMotion.cs:169-177` and can rebucket), `LastServerPos/Time`,
-`RemoteServerControlledVelocityCycle.Apply` (an animation decision from an
-airborne packet), the `entity.SetPosition`/`ParentCellId`/`Rotation` tail
-(`:1976-1978`), and `LiveEntityShadowPublisher.TryPublishRemote` (`:1979`).
-
-Worse than before *because* the body no longer moves: previously body, cell,
-entity and shadow all agreed; now the body stays put while the cell jumps to the
-server's and the shadow publishes against a cell that need not contain it.
-
-(Contract-precision note: `:1616` writes `rmState.CellId` before the PLAYER
-return too. That is pre-existing free-fall bookkeeping the contract's "not the
-cell" wording did not intend to forbid — decide deliberately and record it,
-rather than leaving the contract and the code silently disagreeing.)
-
----
-
-## R5 — MEDIUM — `ConstrainTo` lost on the player-remote landing packet
-
-The deleted unconditional arm sat before `if (IsPlayerGuid(...))`, so it ran for
-the landing transition. The new arm at `:1747-1752` is after the landing block's
-return at `:1710`. A landing UP is a grounded near correction where retail's
-`MoveOrTeleport` returns nonzero, so retail DOES arm the leash. Behaviour loss
-on a path 4a was to leave alone. Also: when the route is null or `Rejected*`,
-`ConstrainAfterRouting` is false so the leash never re-arms, yet the `else` arm
-still hard-snaps — a hard move with a stale anchor.
-
----
-
-## R6 — MEDIUM — AP-87 and TS-44 changed silently; both register rows now misdescribe the code
-
-**AP-87:** the NPC variant's third condition `firstUpNpc`
-(`LastServerPosTime <= 0`) was dropped with no replacement, and the updated row
-still describes it as a "belt hint". Low blast radius (a UP-created
-`RemoteMotion` is seeded so `bodyToTarget == 0`), but the contract demanded the
-choice be stated, and the original code carried an explicit comment about why
-`LastServerPosTime` is unreliable.
-
-**TS-44:** the sticky check moved inside `ApplyInterpolate`, which BOTH kinds
-call, so it now suppresses player-remote near corrections that previously had no
-sticky check at all (the old `snapSuppressedByStick` gate was structurally
-unreachable for players). Player remotes are stickable
-(`LiveEntityMotionRuntimeController.cs:144-145`, `:342-352`). The updated row
-still says "NPC UpdatePosition enqueue is suppressed" and calls the App gate an
-"NPC-only caller gate" — both now false. The player arm is also internally
-inconsistent: near is suppressed, far is not.
-
-**Required: decide each deliberately, and make the rows true.**
-
----
-
-## R7 — MEDIUM — contract items 1 and 2 are not met; this is a helper extraction, not an ownership transfer
-
-The Runtime "owner" is two stateless statics. App still owns request assembly
-(`ClassifyRemoteAcceptedPosition` is private to the App controller), branch
-selection, the airborne early return, the cell write, the entity write, and the
-shadow publish. No second host can reuse any of it. The headless claim is
-factually true (`RuntimeLiveEntitySessionController.cs:212-216` returns early
-for remotes, so nothing diverges) but it satisfies item 2 by redefinition.
-
-Note Runtime ALREADY builds this exact request in
-`RuntimeInitialCreateContinuationExecutor.ApplyPositionAction:1907-1945`. The
-new App builder is a third copy of the same construction — which is precisely
-how R0 and R8 diverged from it. **Prefer sharing that builder over maintaining a
-third copy.**
-
----
-
-## R8 — MEDIUM-LOW — the request builder fabricates `Vector3.Zero`, violating a documented invariant
-
-`:75-77` uses `_playerController?.Position ?? Vector3.Zero`. `GameRuntime.cs:288-290`
-states the rule for this exact field: a null controller "must yield null, never a
-fabricated Vector3.Zero that would misclassify every remote entity as
-implausibly far." `RuntimeInitialCreateContinuationExecutor.ResolveInputs:510-521`
-honours it. The new builder does the opposite.
-
----
-
-## R9 — LOW-MEDIUM — the new generation plumbing is decorative
-
-`RuntimeEntityObjectLifetime.CurrentGeneration()` and `LiveEntityRuntime.Generation`
-return the lifetime's CURRENT generation, not the classified record's. The
-classifier only tests `Generation.Value != 0`, never compares it — so the token
-cannot detect a generation change, and the currency it claims to add is supplied
-entirely by the surrounding `IsCurrentPositionAuthority` checks. Two new public
-members for a non-zero placeholder. Also `_generation` is assigned in
-`BindEventContext` but never cleared in `Dispose`, unlike its siblings.
-
-Either make it load-bearing or drop it.
-
----
-
-## R10 — LOW — residue
-
-- **R11:** `ApplyInterpolate`'s return value is discarded at both call sites, and
- the NPC caller still wraps it in its own `if (!snapSuppressedByStick)` —
- duplicating the check that moved into the seam.
-- **R12:** the deleted per-UP rebucket also lost the pending-bucket promotion
- recovery (`GpuWorldState.cs:1113-1126`, the 2026-07-03 invisible-player fix).
- Covered by fixing R1, but note it explicitly.
-- **R13:** HTML entity escapes leaked into plain `//` comments (`>=96 m`) at
- `:1718`, `:1735`, `:1864`, `:1883`.
-- **R14:** `preSnapPos` (`:1394`) assigned, never read, with a comment describing
- behaviour that no longer exists.
-
----
-
-## R15 — live-gate addition, not a code defect
-
-D1 makes ACE's wire `IsGrounded` newly load-bearing for NPC remotes. ACE emits it
-from `TransientState & OnWalkable` (`PositionPack.cs:73`), while acdream's NPC
-free-fall is gated on the client-tracked `rmState.Airborne`, set only by
-`0xF74E` VectorUpdate or `!Body.OnWalkable` — never from the wire bit. A creature
-ACE reports as not-in-contact while the client believes it grounded now receives
-NO correction where the legacy routing pulled it.
-
-**Add to the connected gate: push a monster off a ledge / pull one down a
-cliff.**
-
----
-
-## Gate
-
-Complete Release suite, not a subset. Pre-4a baseline is 10,909/4/0. R2 means the
-current green number is not evidence for the thing it claims to test.
diff --git a/docs/research/2026-08-03-session-handoff.md b/docs/research/2026-08-03-session-handoff.md
deleted file mode 100644
index 27c284f0..00000000
--- a/docs/research/2026-08-03-session-handoff.md
+++ /dev/null
@@ -1,94 +0,0 @@
-# Session handoff — 2026-08-03
-
-Branch `claude/acdream-physics-divergence-5aa784`. `main` is still at `c7d5fc14`;
-nothing here is merged. Complete Release suite green at **10,904 passed /
-4 skipped / 0 failed** (session start: 10,844).
-
-## What landed
-
-| Commit | What |
-|---|---|
-| `9966b531` | **C4 route 2 — ForcePosition** through the canonical placement |
-| `69ba9486` | Retail `@pklite` client command (`EnterPkLite` 0x028F) |
-| `3ef61eb6` | Route 2 visual gate, rewritten with the real recipe |
-| `d980456f` | Route 2 connected gate **user-accepted** |
-| `e3b766d9` | Filed #297-#299 |
-| `40f57213` | **Route 4 scoping — budget failed, stop and re-plan** |
-| `88348f67` | **#299** mover-side `IsImpenetrable` exemption branch |
-| `9b1e6fc6` | **#297** keep the PWD bitfield live so PK status reaches the client |
-| `bc0077a5` | **#298** admit player targets to melee/missile attack and the camera |
-
-## Needs your eyes (nothing below is user-verified)
-
-Route 2 is accepted. These three are not:
-
-1. **Collision with PKLite players** (#297). Both parties `@pklite`, walk into
- each other — you should now collide instead of phasing through. Then have
- them **equip or unequip something** and try again: that is the case round 1
- got wrong, and the fix is specifically about surviving it.
-2. **Melee/bow on a PKLite player** (#298). Select them, attack. Should work
- now. Also confirm auto-target still refuses to acquire a player — pull a
- monster with a PKLite player nearby and check auto-target picks the monster.
-3. **The combat camera** (#298). With `ViewCombatTarget` on (default), attacking
- a PKLite opponent should now track them. Retail gates the camera on the same
- predicate as the attack; we were using the narrow one.
-
-Recipe for getting into PK Lite is in
-[`2026-08-03-c4-route-2-visual-gate.md`](2026-08-03-c4-route-2-visual-gate.md).
-Remember PK Lite is a **one-way** character state.
-
-## The decision waiting for you: route 4
-
-I stopped rather than starting it. After route 2 I pinned a falsifiable budget —
-*if route 4 also costs ~900 production lines, the bet is dead* — and scoping came
-back at **1,500-2,500 lines** plus ~1,700 lines of test re-modelling.
-
-The seam generalises fine; route 2 just was not a representative unit (1 entity
-vs N, 1 disposition vs 4, 1 execution path vs 2, 2 duplicate authorities vs 6).
-
-**Recommendation: split route 4 into 4a and 4b.** 4a = near/interpolate +
-airborne no-op — the observable win, no park hazard. 4b = teleport/far/cellless,
-where the parks, the service-window guard, N3 and #277 all live.
-
-Full analysis, including four findings that change the campaign plan (route 4's
-Create half is already done; AP-131 cannot be retired by route 4; #277's safety
-bound breaks; N3 stops being latent) is in
-[`2026-08-03-c4-route-4-scoping.md`](2026-08-03-c4-route-4-scoping.md).
-
-## Open follow-ups filed this session
-
-- **#300** — `Properties.Ints[134]` vs `PublicWeenieBitfield` mirror gap.
-- **#301** — retail's `OnStatUpdated` also rewrites radar blip colour and radar
- behaviour; acdream ignores both. #297 for the radar.
-- **#302** — `PortalProjectionTests.ClipToRegion_FrameOwnedStore_ReusesExactResultArray`
- is flaky, ~1 run in 6, a `GC.GetAllocatedBytesForCurrentThread` assertion.
- **A green suite is not proof this is gone.**
-- **#303** — `LiveEntityPvpBitfieldSync` is App-resident but touches only
- Runtime-owned state.
-- **#304** — `SelectionInteractionController.GetSelectedOrClosestCombatTarget`
- has no production caller; one of #298's two widened call sites is dead code.
-- **#305** — `HeadlessGameplayOperations` has #298's bug unpatched, so the
- graphical and headless hosts now diverge.
-
-Register rows added: **AP-134** (the replicated PWD-bitfield coherence
-invariant). **TS-23**'s retirement narrative corrected — it claimed since July
-that every mover-flags site read the mover's "real" PK bits; the bits existed but
-their source was frozen, so that only became true at #297.
-
-## Process notes worth keeping
-
-- **Four implementation passes and five review rounds on route 2, and every
- intermediate state was green** — 10,848, 10,853, 10,856, 10,858. The suite
- caught none of the four real defects. Two of them were introduced *by* the
- fixes for the other two.
-- **Demanded regression tests found root causes that review missed.** #297's
- "assert the flags survive an appearance rebuild" test is what exposed the
- second snapshot store.
-- **Three false claims reached documentation and were retracted before
- commit** — a "retail fidelity gain" that was a fixture artifact, an
- acceptance-coverage claim in the cutover plan, and an IA-19 citation covering
- a divergence it does not reach. Each would have become the thing a future
- session trusted.
-- **Go to the bytes when the decompiler is ambiguous.** #299 turned on whether
- `if (state_1 < 0)` was a 0x80 or 0x8000 test; decoding the PDB-paired binary
- settled it (`test al,al; js`).
diff --git a/docs/research/2026-08-04-bug-a-h3-scheduler-diagnosis.md b/docs/research/2026-08-04-bug-a-h3-scheduler-diagnosis.md
deleted file mode 100644
index d28baf7d..00000000
--- a/docs/research/2026-08-04-bug-a-h3-scheduler-diagnosis.md
+++ /dev/null
@@ -1,559 +0,0 @@
-# 2026-08-04 — Bug A / H3 diagnosis: why a remote's detected landing edge does not advance its animation
-
-**Status:** REPORT-ONLY. No source or test edits. Companion to
-`docs/research/2026-08-04-remote-landing-investigation.md` (hypotheses + decision
-table) and `docs/ISSUES.md` #32.
-
-**Capture that drives this report:** `launch-4b2.log:809-827`, six
-`[remote-landing]` lines for guid `0x5000000F` between `t=85680843` and
-`t=85748328` (67.5 s), all identical:
-`airborneBefore=True gravitySet=True contact=True onWalkable=True
-hasDefaultSink=True resolveIsOnGround=True seqStyle=0x8000003D
-seqMotion=0x40000015`. Four `site=per-tick`, two `site=controller`.
-`ACDREAM_DUMP_MOTION` was NOT enabled for this run, so there are no
-`VU`/`VU.land`/`UM`/`SetCycle` lines to correlate against.
-
----
-
-## Headline
-
-**Retail leaves the Falling cycle on landing as a purely LOCAL consequence of
-the observer's own physics.** The driver is the false→true edge of the
-`ON_WALKABLE_TS` bit inside `CPhysicsObj::set_on_walkable`
-(`named symbol @0x00511310`, pseudo-C :279287), which is reached
-unconditionally from `CPhysicsObj::SetPositionInternal`
-(`@0x00515330`, :283399) on every completed transition, for every object —
-there is no `IsThePlayer` / `IsCreature` / ownership gate anywhere on that path.
-
-**acdream has a verbatim port of that edge**
-(`src/AcDream.Core/Physics/PhysicsObjUpdate.cs:137-142`) and wires it for the
-local player, for ordinary bodies, for placements, for spawn settle, and even
-for *hidden* remotes. **The one path that does not use it is the visible
-remote per-tick tick** — `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:471`
-calls `HandleAllCollisions` alone, skipping the whole `SetPositionInternal`
-contact/on_walkable prefix that owns the HitGround/LeaveGround edge, and
-substitutes a hand-rolled, **wire-latched** landing heuristic at
-`:493-580`.
-
-That substitution is the defect. Its two measurable consequences are named in
-§2 and §5. This is the same site and the same root as Bug B (ISSUES #32's
-2026-08-04 addendum): the remote's `OnWalkable` bit is *asserted*, never
-*derived*.
-
----
-
-## 1. Where a remote's animation sequence is advanced — every writer
-
-`seqMotion` is `AnimationSequencer.CurrentMotion`, a read-only mirror of
-`MotionState.Substate` (`src/AcDream.Core/Physics/AnimationSequencer.cs:126`;
-style at `:117`). `MotionState.Substate` is written in exactly two places:
-`src/AcDream.Core/Physics/Motion/CMotionTable.cs:323` (Branch 1, style change)
-and `:414` (Branch 2, cycle change), both inside `GetObjectSequence`
-(`:255-516`), plus the baseline install at `:622` (`SetDefaultState`).
-
-Every route into `GetObjectSequence` for a live entity:
-
-| # | Entry point | Reachable for a PLAYER remote? |
-|---|---|---|
-| W1 | `MotionTableDispatchSink.ApplyMotion/StopMotion/StopCompletely` (`src/AcDream.Core/Physics/Motion/MotionTableDispatchSink.cs:34-57`) → `AnimationSequencer.PerformMovement` (`:473-477`) → `MotionTableManager.PerformMovement` (`src/AcDream.Core/Physics/Motion/MotionTableManager.cs:409-444`) | **Yes — the only live route.** |
-| W2 | `AnimationSequencer.SetCycle` (`:353-413`) from `RemoteServerControlledVelocityCycle.cs:78` | **No** — gated `!IsPlayerGuid(serverGuid)` at `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:181`. NPC/monster only. |
-| W3 | `AnimationSequencer.SetCycle` from `src/AcDream.App/Rendering/SpawnMotionInitializer.cs:34,60` | Spawn only. |
-| W4 | `AnimationSequencer.SetCycle`/`PlayAction` from `src/AcDream.Core/Physics/AnimationCommandRouter.cs:78,81` | Command/emote routing, not locomotion. |
-| W5 | `MotionTableManager.InitializeState` (`:353-362`) / `Reset` (`AnimationSequencer.cs:598-609`) | Lifecycle only. |
-
-Note: the `SetCycle` block advertised at
-`src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:413-463` is
-**dead for the cycle** — `fullMotion` computed there is immediately overwritten
-by the funnel dispatcher's result at `:602` and used only for the
-locomotion-timestamp bookkeeping at `:630-638`. The comment block is stale; do
-not read it as a second cycle writer.
-
-**So for a player remote there is exactly ONE writer, W1, and exactly two
-things drive it:**
-
-- **(a) the inbound wire funnel** — `RemoteInboundMotionDispatcher.Apply`
- (`src/AcDream.App/Physics/RemoteInboundMotionDispatcher.cs:112`) →
- `MotionInterpreter.MoveToInterpretedState`
- (`src/AcDream.Core/Physics/MotionInterpreter.cs:2741-2788`) →
- `ApplyInterpretedMovement` (`:2764`).
-- **(b) the local ground edges** — `MotionInterpreter.LeaveGround` (`:2374-2395`)
- and `HitGround` (`:2426-2444`), each ending in
- `apply_current_movement` (`:1460-1473`) →
- `ApplyCurrentMovementInterpreted` (`:1547-1563`) →
- the **same** `ApplyInterpretedMovement` (`:2842-2903`) through the **same**
- `DefaultSink`.
-
-**Answer to "can anything other than an inbound `UpdateMotion` move a remote
-out of Falling?" — Yes, exactly one thing: `HitGround` (b).** There is no
-timer, no per-frame recompute, and no NPC-style velocity-cycle fallback for a
-player remote. If (b) is a no-op, the wire is the only escape — which is
-precisely the reported symptom.
-
----
-
-## 2. Where the landing edge is detected, and what each site does with it
-
-Two sites, both real, neither of which silently drops the edge:
-
-**Site A — `site=per-tick`**, `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:493-580`
-```
-:493 if (rm.Airborne && resolveResult.IsOnGround && rm.Body.Velocity.Z <= 0f)
-:497 rm.Airborne = false;
-:502 rm.Interp.Clear();
-:503-504 rm.Body.TransientState |= Contact | OnWalkable; // ASSERTED, not derived
-:505-506 rm.Body.Velocity = (X, Y, 0)
-:538-557 [remote-landing] probe
-:559 rm.Movement.HitGround();
-:574-576 rm.Body.State &= ~Gravity;
-```
-
-**Site B — `site=controller`**, `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2019-2117`
-```
-:2019 if (rmState.Airborne)
-:2021 rmState.Airborne = false;
-:2023-24 rmState.Body.TransientState |= Contact | OnWalkable; // ASSERTED, not derived
-:2065-69 EnsureRemoteMotionBindings (creates the sink if missing)
-:2077-96 [remote-landing] probe
-:2100 rmState.Movement.HitGround();
-:2114-15 rmState.Body.State &= ~Gravity;
-```
-
-Both reach `MovementManager.HitGround`
-(`src/AcDream.Core/Physics/Motion/MovementManager.cs:153-156`) →
-`MotionInterpreter.HitGround`. **The edge is not dropped at either site.** Under
-the captured probe values every gate in `HitGround` passes:
-`PhysicsObj` non-null (`MotionInterpreter.cs:2428`), `IsCreature` true
-(`RemoteWeenie` inherits the `IWeenieObject.IsCreature() => true` default at
-`MotionInterpreter.cs:462`), Gravity set (`:2435`, probe `gravitySet=True`),
-`Initted` true by default (`:747`). `apply_current_movement`'s dual dispatch
-(`:1465-1470`) routes a remote to the INTERPRETED branch because
-`RemoteWeenie.IsThePlayer()` is the `false` default (`:475`), and
-`ApplyCurrentMovementInterpreted` takes the sink branch (`:1558-1563`) because
-`DefaultSink` is bound (probe `hasDefaultSink=True`).
-
-**The real defect is not that the edge is dropped — it is that the edge is
-INVENTED.** `rm.Airborne` is an acdream latch, not retail state. It is set at
-exactly one place:
-
-```
-src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:1265-1273
- if (update.Velocity.Z > 0.5f) { // 0xF74E VectorUpdate only
- rm.Airborne = true;
- rm.Body.TransientState &= ~(Contact | OnWalkable);
- rm.Body.State |= PhysicsStateFlags.Gravity;
- ...
-:1290 rm.Motion.LeaveGround();
- }
-```
-(the other setter, `RemoteTeleportController.cs:399`, is the teleport path).
-
-So for a visible remote, **both** ground edges and **both** the Gravity bit and
-the contact bits are driven by one wire packet with a `0.5 m/s` magic
-threshold, rather than by the resolved contact plane. Retail's contact bits are
-derived from `contact_plane.N.z >= floor_z` on every transition
-(`@0x00515330`, :283501-283509) and `GRAVITY_PS (0x400)` is a persistent object
-property, never a per-jump latch.
-
-Two direct consequences, both citable:
-
-- **C1 — the edge cannot fire at all for an airborne episode that does not
- begin with a `+Z > 0.5` VectorUpdate** (walk off a ledge, step off a porch,
- a dropped/reordered `0xF74E`). In that case `LeaveGround` also never runs, so
- Falling would instead have to be engaged by the wire funnel's own airborne
- substitution (`MotionInterpreter.cs:2864-2868`) — which requires Gravity set,
- which also never happened. The remote then falls with its grounded cycle
- playing.
-- **C2 — Gravity is cleared immediately after the first landing edge**
- (`RuntimeRemotePhysicsUpdater.cs:574-576`,
- `LiveEntityNetworkUpdateController.cs:2114-2115`), whereas the local player's
- body is constructed with Gravity (`src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:689`)
- and never clears it. With Gravity clear, `contact_allows_move` returns `true`
- early (`MotionInterpreter.cs:2142-2143`) and `HitGround` no-ops outright
- (`:2435`) — so a *second* airborne episode before the next VectorUpdate has no
- animation response at all in either direction.
-
-Neither C1 nor C2 explains the six captured edges (all had `gravitySet=True`),
-but both are the same root cause and both must be fixed by the same change.
-
----
-
-## 3. What retail does — LOCAL, unconditional, contact-driven
-
-Sourced from `docs/research/named-retail/acclient_2013_pseudo_c.txt`.
-
-**3.1 `CPhysicsObj::set_on_walkable` — `@0x00511310`, :279287** is the driver:
-```
-00511336 if ((transient_state & 2) == 0) // OLD value not walkable
-00511358 if (arg2 != 0) // -> false->true EDGE
-0051135a movement_manager_1 = this->movement_manager;
-00511364 MovementManager::HitGround(movement_manager_1);
-00511336 else if (arg2 == 0) // true->false edge
-00511346 MovementManager::LeaveGround(movement_manager);
-```
-The only condition is `movement_manager != 0`. **No ownership, creature, or
-player gate.** (`ON_WALKABLE_TS = 0x2`, `docs/research/named-retail/acclient.h:3691`.)
-
-**3.2 `CPhysicsObj::SetPositionInternal` — `@0x00515330`, :283399** calls it,
-unconditionally, from the resolved contact plane:
-```
-00515430 if (collision_info.contact_plane_valid == 0) ts &= ~1; else ts |= 1; // CONTACT_TS
-00515465 if ((ts & 1) == 0) { ts &= ~2; MovementManager::LeaveGround(...); }
-0051548e else if (contact_plane.N.z < PhysicsGlobals::floor_z) set_on_walkable(this, 0); // :283507
-00515482 else set_on_walkable(this, 1); // :283509
-005154fe CPhysicsObj::handle_all_collisions(this, &collision_info, ts&1, ts&2);
-```
-`handle_all_collisions` (`@0x00514780`, :282647) does **not** touch
-`on_walkable` — it only does the elasticity reflect and the
-`frames_stationary_fall` bookkeeping. **The contact/walkable recompute lives
-exclusively in `SetPositionInternal`, and it runs BEFORE
-`handle_all_collisions`.**
-
-Wire-driven placements reach the same code:
-`CPhysicsObj::SetPositionInternal(Position*, SetPositionStruct*, CTransition*)`
-(`@0x00515bd0`, :283892) calls the transition form at `@0x00515c94` (:283942).
-
-**3.3 Retail runs full physics for objects it does not own.**
-`CPhysics::UseTime` (`@0x00509950`, :271586) iterates the whole object hash and
-calls `CPhysicsObj::update_object` on every entry (:271643); the only
-player-specific line is an extra
-`SmartBox::PlayerPhysicsUpdatedCallback` notification, not a skip.
-`update_object` (`@0x00515d10`, :283950) early-outs only on
-`parent != 0 || cell == 0 || (state & 0x1000000)` — nothing about ownership.
-`UpdateObjectInternal` (`@0x005156b0`, :283611) →
-`UpdatePositionInternal` (`@0x00512c30`, :280817) →
-`CPhysicsObj::transition` (`@0x005158b2`) → `SetPositionInternal` (`@0x00515914`).
-**So on a retail observer, a remote player's landing animation exit is a local
-physics consequence, not a wire event.**
-
-**3.4 The re-apply.** `MovementManager::HitGround` (`@0x00524300`, :300425) →
-`CMotionInterp::HitGround` (`@0x00528ac0`, :305996 — creature gate,
-`state & 0x400` gravity gate, `RemoveLinkAnimations`,
-`apply_current_movement(0,0)`) → `apply_current_movement` (`@0x00528870`,
-:305838; its `IsThePlayer` test is a *source selector* — raw vs interpreted —
-not a skip) → `apply_interpreted_movement` (`@0x00528600`, :305713):
-```
-0052866c if (contact_allows_move(this, interpreted_state.forward_command) == 0)
-005286ee DoInterpretedMotion(this, 0x40000015, &var_2c); // :305729 FALLING
-0052866c else
-00528687 DoInterpretedMotion(this, interpreted_state.forward_command, ...); // :305744
-```
-`contact_allows_move` (`@0x00528240`, :305471) returns 1 iff
-`CONTACT_TS && ON_WALKABLE_TS` (given a gravity-bound creature). **`0x40000015`
-is dispatched from exactly one site in the entire 1.4 M-line binary** — that
-one line. Entry to and exit from Falling are both decided by the contact bits.
-
-**3.5 There is no other landing path.** `symbols.json` contains no
-`land`/`land_on_ground` animation function (only `CSphere::land_on_sphere`
-`@0x005379A0` and `CCylSphere::land_on_cylinder` `@0x0053B3D0`, both collision
-geometry). The complete caller set of `apply_current_movement` is `HitGround`
-(`@0x00528af7`), `LeaveGround` (`@0x00528b66`), `set_hold_run` (`@0x00528b9e`),
-`SetHoldKey` (`@0x00528bd4`/`@0x00528bef`), `ReportExhaustion` (`@0x005288ed`),
-`SetWeenieObject` (`@0x00528955`), and `@0x00528a08`. Landing is `HitGround`
-and nothing else.
-
-**3.6 The retail default that matters:** `InterpretedMotionState::InterpretedMotionState`
-(`@0x0051e8d0`, :293418) sets `forward_command = 0x41000003` (Ready). A remote
-that never received an mt-0 `UpdateMotion` still re-applies **Ready** on
-landing, never Falling. acdream matches this
-(`src/AcDream.Core/Physics/MotionInterpreter.cs:215-224`).
-
----
-
-## 4. Does the local player differ? Yes — and that is the shape of the fix
-
-**The local player implements retail's contact-derived edge inline.**
-`src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:2607-2645`:
-```
-:2608 if (resolveResult.Ok && candidateMoved) {
-:2610-13 Contact <- resolveResult.InContact
-:2616 if (resolveResult.InContact && resolveResult.OnWalkable) {
-:2618 bool wasAirborne = !_body.OnWalkable; // read BEFORE the write
-:2619 _body.TransientState |= OnWalkable;
-:2620-27 if (wasAirborne) { Movement.HitGround(); landedThisQuantum = true; }
-:2630-33 } else { _body.TransientState &= ~OnWalkable; }
-:2641-44 PhysicsObjUpdate.HandleAllCollisions(...); // AFTER the edge, as retail
-:2650-51 if (!_body.OnWalkable && !_wasAirborneLastFrame) _motion.LeaveGround();
-```
-That is `set_on_walkable`'s edge, derived from the resolved contact plane,
-with `handle_all_collisions` in retail's order.
-
-**Four other acdream paths already use the extracted seam:**
-
-| Path | Call |
-|---|---|
-| Local player, hidden/PositionManager | `PlayerMovementController.cs:2044-2053` → `CommitSetPositionTransition(..., Movement.HitGround, _motion.LeaveGround)` |
-| Ordinary live bodies | `src/AcDream.Runtime/Physics/RuntimeOrdinaryPhysicsUpdater.cs:168` |
-| Canonical placements (incl. remotes) | `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs:4912-4919` → `..., remote.HitGround, remote.LeaveGround, guard.IsCurrent` |
-| **Hidden remotes** | `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:778-796` → `CommitSetPositionTransition(..., rm.Movement.HitGround, rm.Motion.LeaveGround, ...)`, then `:796 rm.Airborne = !rm.Body.OnWalkable;` |
-| Spawn settle | `src/AcDream.Core/Physics/SpawnPlacementSettler.cs:62` |
-
-The seam is `src/AcDream.Core/Physics/PhysicsObjUpdate.cs:120-151`:
-```
-:131 bool finalOnWalkable = CommitSetPositionContactPrefix(body, inContact, onWalkable, previousOnWalkable);
-:137 if (!previousOnWalkable && finalOnWalkable) hitGround?.Invoke();
-:143 else if (previousOnWalkable && !finalOnWalkable) leaveGround?.Invoke();
-```
-with `finalOnWalkable = inContact && onWalkable` at `:169` and
-`IsWalkableContact(inContact, n) => inContact && n.Z >= PhysicsGlobals.FloorZ`
-at `:20-21` — a verbatim port of :283501-283509.
-
-**The VISIBLE remote per-tick path is the only one that bypasses it.**
-`RuntimeRemotePhysicsUpdater.cs:471-477` calls `PhysicsObjUpdate.HandleAllCollisions`
-directly — the *tail* of `SetPositionInternal` without its *prefix* — so the
-remote's `Contact`/`OnWalkable` bits are never derived from the resolve, the
-false→true edge never exists, and `HitGround`/`LeaveGround` have no driver.
-The `rm.Airborne` latch at `:493` is the stand-in.
-
-**So yes: the same mechanism is simply not wired for visible remotes, and it
-is already wired 300 lines below in the same file for hidden ones.** The fix is
-small.
-
----
-
-## 5. Proposed fix
-
-### 5.1 The change (H3's file, per the investigation doc's three-file split)
-
-The investigation doc says H1's fix is in the Gravity-clear sites, H2's is in
-the sink-binding race, and **H3's is "the animation-scheduler consumption
-path, not physics."** That framing needs one correction, which this trace
-establishes: the consumption path is fine (see §5.3) — H3's actual file is
-**`src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs`**, the *producer*
-of the animation command, not `LiveEntityAnimationScheduler`/`Presenter`.
-
-**Target: `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:471-580`.**
-
-Replace the direct `HandleAllCollisions` call at `:471-477` **and** the entire
-hand-rolled landing block at `:493-580` with the same call the hidden path
-already makes at `:778-796`:
-
-```csharp
-// retail CPhysicsObj::SetPositionInternal @0x00515330 (:283501-283509) ->
-// set_on_walkable @0x00511310 (:279287): contact/on_walkable derived from the
-// contact plane, HitGround/LeaveGround on the false<->true edge, then
-// handle_all_collisions @0x00514780. Same order, same seam as the hidden
-// remote path below and the local player at PlayerMovementController:2607.
-if (!PhysicsObjUpdate.CommitSetPositionTransition(
- rm.Body,
- resolveResult.InContact,
- resolveResult.OnWalkable, // DERIVED, not asserted
- resolveResult.CollisionNormalValid,
- resolveResult.CollisionNormal,
- previousContact,
- previousOnWalkable,
- rm.Movement.HitGround,
- rm.Motion.LeaveGround,
- () => IsCurrentOwner(record, rm, objectClockEpoch, externalOwnerValid)))
-{
- return false;
-}
-rm.Airborne = !rm.Body.OnWalkable; // derived state, not a wire latch
-```
-
-Three supporting deletions/changes fall out of it, all required for the seam to
-be the single owner:
-
-1. **Delete the unconditional `TransientState |= Contact | OnWalkable`** at
- `:152-154` (the `!rm.Airborne` per-tick force) — it is what makes the edge
- structurally impossible. This is also Bug B's forced-`OnWalkable`
- (ISSUES #32 addendum), so the two bugs close together.
-2. **Delete the twin landing block** at
- `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2019-2117`'s
- `TransientState |= Contact | OnWalkable` + `HitGround` + Gravity-clear, and
- the `rm.Airborne = true` + contact-clear + Gravity-set at `:1265-1273`.
- `LeaveGround` at `:1290` goes with them — retail fires it from
- `set_on_walkable`, not from a `0xF74E` handler. The VectorUpdate keeps only
- what retail's `PhysicsDesc` write does: install the wire velocity.
-3. **Make Gravity persistent on remote bodies**, matching
- `PlayerMovementController.cs:689`: construct `RemoteMotion.Body` with
- `PhysicsStateFlags.Gravity | PhysicsStateFlags.ReportCollisions`
- (`src/AcDream.Runtime/Physics/RemoteMotion.cs:278`) and delete both
- Gravity-clear sites (`RuntimeRemotePhysicsUpdater.cs:574-576`,
- `LiveEntityNetworkUpdateController.cs:2114-2115`). Retail's `GRAVITY_PS`
- (`0x400`) is an object property, and both `HitGround` (`:2435`) and
- `contact_allows_move` (`:2142`) read it as one. Without this, C2 (§2)
- survives the fix.
-
-This is *not* a symptom-site guard: it deletes the invented mechanism and
-installs the retail one that the rest of the codebase already uses.
-
-### 5.2 Blast radius
-
-- **Player remotes** — the intended target. Landing/leaving-ground animation
- becomes local and unconditional, as retail. Also removes the `0.5 m/s`
- magic threshold and the wire dependency for the whole ground-edge family.
-- **NPCs / monsters** — same code path (`#184` Slice 2b unified them; there is
- no player/NPC fork in `Tick`). They gain a correct `LeaveGround` when they
- walk off a ledge, which they do not have today. Their separate
- stale-velocity cycle stop (`RuntimeRemotePhysicsUpdater.cs:181-192` →
- `RemoteServerControlledVelocityCycle.cs:78`) is untouched.
-- **Local player** — untouched. It already does this inline
- (`PlayerMovementController.cs:2607-2645`).
-- **Projectiles** — untouched. They use
- `ProjectilePhysicsStepper.cs:374` (`ApplySetPositionContact`) and are
- excluded from this branch by `projectileHandlesMovement`
- (`LiveEntityAnimationScheduler.cs:336`).
-- **Hidden remotes / placements / spawn settle** — untouched; they already
- call the seam.
-- **Bug B** — expected to change behavior at the same commit, because a steep
- roof stops being force-marked `OnWalkable`. §5.5 covers the coupling.
-- **Register bookkeeping** — this retires the "forced Contact|OnWalkable on
- remote landing" deviation and the `rm.Airborne` wire-latch deviation, and it
- touches AD-25's call-site note at `RuntimeRemotePhysicsUpdater.cs:449-470`
- (the comment claims the direct `HandleAllCollisions` call matches "retail's
- own unconditional call site" — it does not, because retail's call site is
- *inside* `SetPositionInternal`, after `set_on_walkable`). Per CLAUDE.md the
- register rows must be updated in the same commit.
-
-### 5.3 What this fix does NOT do — and why the scheduler is exonerated
-
-The animation-scheduler consumption path was H3's literal wording. It is
-clean:
-
-- `LiveEntityAnimationScheduler.cs:323-326` advances the sequencer and captures
- the pose, **then** `:351-364` runs `_remotePhysics.Tick` (where `HitGround`
- fires). So a cycle change lands in the *next* quantum's pose — a one-frame
- lag, not a multi-second one.
-- `LiveEntityMotionRuntimeController.cs:39-47` creates `rm.Sink` once over
- `ae.Sequencer` and binds it as `rm.Motion.DefaultSink` (`:46`). The **same**
- cached sink is handed to the inbound funnel at
- `LiveEntityNetworkUpdateController.cs:756,766`. A stale-sequencer theory is
- therefore refuted by observation: if the sink pointed at a dead sequencer,
- the wire path could not clear the pose either — and the user reports it does.
-- `RemoveLinkAnimations` is bound to `sequencer.Manager.HandleEnterWorld`
- (`LiveEntityMotionRuntimeController.cs:63`), which is the correct `#174`
- binding.
-
-### 5.4 Second, independent hazard found on the way — flag, do not fix blind
-
-`MovementParameters.ModifyInterpretedState` defaults to **true**
-(`src/AcDream.Core/Physics/Motion/MovementParameters.cs:140`), and
-`MoveToInterpretedState`'s action-replay loop
-(`MotionInterpreter.cs:2766-2784`) dispatches with ctor-default params
-(`DispatchInterpretedMotion`, `:3222-3225`). `InterpretedMotionState.ApplyMotion`
-(`:285-313`) writes `ForwardCommand = motion` for **any** id carrying
-`0x40000000` (`:299-304`) — which includes `Falling` (`0x40000015`).
-`InboundInterpretedMotionFactory.Create`
-(`src/AcDream.App/Physics/InboundInterpretedMotionFactory.cs:46-63`) restores
-the real class byte via `MotionCommandResolver.ReconstructFullCommand`, whose
-catalog is built from the DatReaderWriter `MotionCommand` enum — so a wire
-`Commands[]` entry of `0x0015` would resolve to `0x40000015`.
-
-If that ever happens, `InterpretedState.ForwardCommand` becomes `Falling`, and
-`HitGround`'s re-apply at `MotionInterpreter.cs:2878` re-dispatches Falling —
-producing **exactly** "stuck in Falling until the next motion update
-overwrites ForwardCommand." This mechanism would survive the §5.1 fix.
-
-**NOT ESTABLISHED:** whether ACE ever puts a `0x4x`-class command in
-`Commands[]` for a jumping/falling player. Retail's own outbound cannot
-(its `ModifyInterpretedState=false` invariant keeps Falling out of
-`interpreted_state`), but ACE is an emulator. **Settle it with one capture:**
-`ACDREAM_DUMP_MOTION=1 ACDREAM_REMOTE_VEL_DIAG=1` across a remote jump, and
-read the `[UM_RAW]`/`[FWD_WIRE]` lines
-(`LiveEntityNetworkUpdateController.cs:373-386`, `:777-786`) for a
-`ForwardCommand` or `Commands[]` entry of `0x0015` during the airborne window.
-
-### 5.5 Sequencing note
-
-Bug B's addendum (ISSUES #32) records that correcting `OnWalkable` alone may
-not reproduce retail's roof slide, because it also depends on **#173**'s remote
-collision-velocity reflect (shipped, gate unrun) and **AD-10**'s terrain-only
-slope projection. That does not block this fix — the animation edge is
-independent of the slide response — but expect the roof case to change
-appearance at the same commit, and gate both together.
-
----
-
-## 6. How to test
-
-### 6.1 The measurement that is still missing
-
-**The existing probe reads the wrong side of the call.** It captures state
-immediately *before* `HitGround` (`RuntimeRemotePhysicsUpdater.cs:538-557`,
-`LiveEntityNetworkUpdateController.cs:2077-2096`), and the investigation doc
-already flagged for H3 that "the read happens immediately before HitGround
-runs, so this alone doesn't distinguish success from H3." The six captured
-lines therefore prove the gates pass and prove nothing about the outcome.
-
-Before or alongside the fix, one line of instrumentation settles it: emit a
-second `[remote-landing-after]` line immediately after `rm.Movement.HitGround()`
-carrying `seqMotion`, `InterpretedState.ForwardCommand`, and the
-`MotionTableManagerError` returned by the sink's `ApplyMotion`. Three outcomes,
-three different conclusions:
-
-| post-`seqMotion` | `ForwardCommand` | Conclusion |
-|---|---|---|
-| Ready (`0x41000003`) | Ready | The edge works; the residual is elsewhere (re-verify the user's observation) |
-| Falling (`0x40000015`) | Falling | §5.4 — the wire clobbered `ForwardCommand` |
-| Falling | Ready, sink returned `0x43` | `CMotionTable.IsAllowed` (`CMotionTable.cs:172-188`) refused the Ready cycle because its `MotionData.Bitfield & 2` is set — a DAT fact, not a source fact |
-
-### 6.2 Automated
-
-New tests in `tests/AcDream.Runtime.Tests/Physics/` (the layer under test):
-
-1. **Edge from contact, not from the wire.** Drive `RuntimeRemotePhysicsUpdater.Tick`
- with a stubbed resolve returning `InContact=false, OnWalkable=false` then
- `InContact=true, OnWalkable=true`, with **no** VectorUpdate ever delivered.
- Assert `HitGround` fired exactly once on the transition and `LeaveGround`
- exactly once on the opposite one. This fails today (C1).
-2. **Steep contact does not land.** Resolve returns `InContact=true` with a
- contact normal whose `Z < PhysicsGlobals.FloorZ`. Assert `OnWalkable` stays
- clear and `HitGround` did **not** fire. This is the Bug B assertion at the
- same site.
-3. **Idempotence.** Two consecutive grounded quanta fire `HitGround` once, not
- twice.
-4. **Gravity persistence.** After a landing, assert
- `rm.Body.State.HasFlag(PhysicsStateFlags.Gravity)` — then run a second
- airborne→grounded cycle and assert `HitGround` fires again. This fails today
- (C2).
-5. **End-to-end cycle exit.** With a real `MotionTableDispatchSink` over a test
- `AnimationSequencer` seeded to `Substate = Falling` and
- `InterpretedState.ForwardCommand = Ready`, assert `CurrentMotion` leaves
- `0x40000015` after the grounded commit. This is the assertion that makes the
- §6.1 table unnecessary going forward.
-6. **Regression guard on the existing contract:**
- `tests/AcDream.Core.Tests/Physics/MotionInterpreterFunnelTests.cs:201`
- (`HitGround_AfterFall_RedispatchesPreservedForward_ExitsFalling`) already
- covers the interp layer with a fake sink and must stay green.
-
-### 6.3 What the user would see
-
-Two-client route 4a, retail driving `+Acdream`'s neighbour:
-
-- **Jump on flat ground** — the falling pose clears the instant the remote's
- feet touch, with no wire round-trip and no wait for the next `UpdateMotion`.
-- **Walk off a low ledge / porch step** (no jump packet at all) — the remote
- now plays the falling cycle on the way down and exits it on landing. Today it
- keeps its grounded cycle the whole way, because `rm.Airborne` never latches.
-- **Two jumps in quick succession** — the second one animates identically to
- the first (today the Gravity clear can mute it).
-- **Jump onto a house roof (Bug B)** — the remote should now slide rather than
- plant, subject to the #173 / AD-10 coupling in §5.5. Gate this together with
- Campaign P matrix scenario 8.
-
----
-
-## NOT ESTABLISHED
-
-1. **Which of the two terminal failures actually fires at the captured edges.**
- The probe measures before the call. §6.1 names the exact one-line
- instrumentation and the three-way decision table. Everything upstream of the
- sink call is established: all gates pass, the sink is bound, and the dispatch
- target is `InterpretedState.ForwardCommand`.
-2. **Whether ACE emits a `0x4x`-class motion command for a falling player**
- (§5.4). Settled by `ACDREAM_DUMP_MOTION=1` + `ACDREAM_REMOTE_VEL_DIAG=1`
- across a remote jump.
-3. **Whether the humanoid MotionTable's `Ready` cycle carries
- `MotionData.Bitfield & 2`.** This is DAT content, not source. If set,
- `CMotionTable.IsAllowed` (`:172-188`, retail `is_allowed @0x005226c0`,
- :298526) refuses a Ready cycle requested while the substate is Falling,
- because Falling is not any style's default substate. Observation argues
- against it — the wire path uses the identical `GetObjectSequence` call and
- does clear the pose — but it is not proven. Settle by dumping
- `MotionData.Bitfield` for cycle key `(style << 16) | 0x000003`, or with
- `bp acclient!CMotionTable::is_allowed` reading `[edx+0x30]`.
-4. **Whether ACE sets `GRAVITY_PS (0x400)` in the broadcast `PhysicsDesc` for
- remote creatures.** Relevant only to how faithfully §5.1's item 3 should be
- implemented (construct-with-Gravity vs adopt-from-wire). cdb:
- `bp acclient!CMotionInterp::contact_allows_move` dumping
- `physics_obj->state`.
diff --git a/docs/research/2026-08-04-bug-b-remote-slide-diagnosis.md b/docs/research/2026-08-04-bug-b-remote-slide-diagnosis.md
deleted file mode 100644
index da5e1031..00000000
--- a/docs/research/2026-08-04-bug-b-remote-slide-diagnosis.md
+++ /dev/null
@@ -1,698 +0,0 @@
-# 2026-08-04 — Bug B (remote ledge/roof slide) diagnosis
-
-**Status:** REPORT-ONLY. No source or test edits made. HEAD `7f1c1f5a`.
-**Companion:** `docs/research/2026-08-04-remote-landing-investigation.md` (Bug A),
-`docs/ISSUES.md` #32 (2026-08-04 addendum), divergence register rows **AP-87**,
-**AP-81**, **AD-10**.
-
-**Relationship to the prior same-day investigation.** ISSUES.md #32 already
-carries a 2026-08-04 root-cause addendum naming the landing block's
-unconditional `Contact | OnWalkable`. That addendum is **correct but
-incomplete**: it names one of *four* independent links in the chain, and the
-one it names is not the dominant one. Fixing only the landing block cannot
-produce a slide. §1 below establishes the full chain; §6 states what that means
-for the fix. Everything here is re-verified against source and against the
-pseudo-C directly — nothing is carried over on trust.
-
----
-
-## 1. Does acdream locally simulate remote bodies, and would it slide one off a steep roof?
-
-**It simulates them, and it cannot slide them. Four independent links each
-block the slide on their own.**
-
-The per-tick remote owner is
-`src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs`, `Tick(...)`
-(`:61-650`). It runs once per eligible remote per retail object quantum and
-*does* call `PhysicsEngine.ResolveWithTransition` (`:370-418`) — the same sweep
-the local player uses. So the naive framing ("acdream only applies wire
-positions") is **wrong**: there is a real per-tick sweep. The problem is that
-everything fed into that sweep has been pre-flattened.
-
-### Link 1 — the grounded branch force-sets `Contact | OnWalkable` every tick, unconditionally
-
-`RuntimeRemotePhysicsUpdater.cs:150-154`:
-
-```csharp
-if (!rm.Airborne)
-{
- rm.Body.TransientState |= TransientStateFlags.Contact
- | TransientStateFlags.OnWalkable
- | TransientStateFlags.Active;
-```
-
-The gate is `rm.Airborne` — an acdream client-side bool — **not** the contact
-plane and not the wire bit. This is the dominant site: it runs *before every
-sweep, on every tick*, so it re-asserts the walkable lie even if some other
-site cleared it. The landing block that ISSUES.md #32 names
-(`LiveEntityNetworkUpdateController.cs:2023-2024`) and its per-tick twin
-(`RuntimeRemotePhysicsUpdater.cs:503-504`) fire once each per landing; this one
-fires ~30 times a second forever.
-
-### Link 2 — a grounded remote's velocity is zeroed every tick
-
-`RuntimeRemotePhysicsUpdater.cs:169`:
-
-```csharp
-rm.Body.Velocity = System.Numerics.Vector3.Zero;
-```
-
-There is nothing left to slide *with*. This also silently discards any
-authoritative velocity ACE delivered: `OnVector` (0xF74E) writes
-`update.Velocity` into the body via `TryCommitAuthoritativeVector`
-(`LiveEntityNetworkUpdateController.cs:1250-1258`), but a downhill slide has
-`Velocity.Z < 0`, so the `update.Velocity.Z > 0.5f` test at `:1265` leaves
-`rm.Airborne == false`, and the next tick's `:169` erases the vector.
-
-### Link 3 — the Gravity state bit is cleared at landing and never restored
-
-`RuntimeRemotePhysicsUpdater.cs:571-576` and
-`LiveEntityNetworkUpdateController.cs:2110-2116` both do
-`rm.Body.State &= ~PhysicsStateFlags.Gravity` after `HitGround()`.
-`PhysicsBody.calc_acceleration()` (`PhysicsBody.cs:503-518`) returns
-`Acceleration = Vector3.Zero` when the Gravity bit is clear. The bit is only
-ever *set* by the jump VectorUpdate (`:1273`) and once at body construction
-(`RuntimeRemoteBodyDescription.cs:221` / `RuntimePhysicsState.InitializeNewPhysicsBody`,
-`RuntimePhysicsState.cs:2617`), and that initializer runs **once per
-incarnation** ("Later SetState never replays them",
-`RuntimePhysicsState.cs:2608-2612`). So after the first landing the remote has
-no gravity for the rest of its life.
-
-Retail does the opposite: GRAVITY_PS is a persistent object property and
-gravity *acceleration* is gated on the CONTACT/ON_WALKABLE transients inside
-`calc_acceleration`, not on the state bit being toggled. This is already filed
-as register row **AP-81** — but AP-81's file:line column lists only the
-VectorUpdate handler and the landing blocks, not `:150-154` (Link 1).
-
-### Link 4 — the visible remote tick never commits the sweep's own contact classification
-
-The engine *does* compute the retail answer. `PhysicsEngine.cs:2653-2676`:
-
-```csharp
-bool inContact = ci.ContactPlaneValid;
-bool onWalkable = PhysicsObjUpdate.IsWalkableContact(inContact, ci.ContactPlane.Normal);
-bool onGround = inContact || (transition.ObjectInfo.State & ObjectInfoState.OnWalkable) != 0;
-```
-
-and `IsWalkableContact` (`PhysicsObjUpdate.cs:20-21`) is
-`inContact && contactNormal.Z >= PhysicsGlobals.FloorZ` — retail-shaped. Both
-`InContact` and `OnWalkable` are carried out on `ResolveResult`
-(`ResolveResult.cs:46-53`).
-
-`Tick` reads **only** `resolveResult.Position`, `.CellId`, `.IsOnGround`,
-`.CollisionNormalValid`, `.CollisionNormal` (`:420-477`). It never reads
-`.InContact` or `.OnWalkable`, and — unlike `TickHidden`, which calls
-`PhysicsObjUpdate.CommitSetPositionTransition` at `:778-795` — it never commits
-them to the body. `PhysicsEngine` itself writes `ContactPlane*`,
-`WaterContact`, `Sliding`, and the Stationary bits back onto the body, but
-**not** `Contact`/`OnWalkable` (grep of `PhysicsEngine.cs` for
-`body.TransientState`: `:2488-2540` only).
-
-Worse, `IsOnGround` is `inContact || …` — so a **steep-roof contact reports
-`IsOnGround == true`**. That is the value the airborne→grounded landing
-detection at `:493-495` tests. The remote therefore "lands" on a surface retail
-would classify as contact-but-not-walkable, and the landing block then forces
-`OnWalkable` and clears Gravity.
-
-**Conclusion for §1:** a remote resting on a steep roof is held there by
-acdream's own physics, not merely parked at a wire position. The sweep runs
-every tick and returns "no movement" because the mover has zero velocity, zero
-acceleration, and a forged walkable contact.
-
----
-
-## 2. What produces the blip
-
-**Two candidates, both live, and they are distinguishable only by capture.**
-The first is the one AP-87 predicted; the second is a retail-faithful mechanism
-firing correctly on a body that has been frozen by §1 — and it fits the user's
-timing description ("stay there *briefly*, then blip") better.
-
-### Candidate 1 — AP-87's `bodyToTarget > 4 m` snap
-
-`src/AcDream.Runtime/Physics/RuntimeRemoteSteadyStatePosition.cs:129-137`:
-
-```csharp
-bool firstUp = remote.LastServerPosTime <= 0.0;
-float bodyToTarget = Vector3.Distance(remote.Body.Position, worldPosition);
-if (firstUp || !willBeDrTicked || bodyToTarget > BodySnapThreshold) // BodySnapThreshold = 4f, :42
-{
- remote.Interp.Clear();
- remote.Body.Position = worldPosition;
- remote.Body.Orientation = orientation;
- return Action.Snapped;
-}
-```
-
-This requires the server position to have descended more than 4 m from the
-parked body. It only fires on a packet that classifies `Interpolate`.
-
-### Candidate 2 — the InterpolationManager's own stall blip (`node_fail_counter > 3`)
-
-`src/AcDream.Core/Physics/InterpolationManager.cs:405-467` ports retail's
-5-frame stall window and its snap-to-tail:
-
-```csharp
-if (_frameCounter >= StallCheckFrameInterval) // 5 frames
-{
- float cumulative = _originalDistance - dist; // progress made
- …
- if (!primaryPass && !secondaryPass) _failCount++; // no progress -> fail
- else _failCount = 0;
-}
-…
-if (_failCount > StallFailCountThreshold) // > 3, :458
-{
- InterpolationNode tail = _queue.Last!.Value;
- Vector3 tailDelta = tail.TargetPosition - currentBodyPosition;
- Clear();
- return new InterpolationStep(true, tailDelta, tail.TargetOrientation);
-}
-```
-
-This is a faithful port of retail `InterpolationManager::UseTime` **@0x00555f20**
-(pseudo-C :353261): `if (node_fail_counter > 3)` → `SetPositionSimple(physics_obj,
-, 1)` @0x0055605D / @0x00556021, then
-`StopInterpolating` @0x00556061. Verified directly.
-
-A body frozen by §1 makes **zero** progress every window, so `_failCount`
-increments on every 5th frame and crosses 3 after ~20 frames — **about 0.33 s at
-60 Hz**. That is "stay there briefly, then blip", and the blip lands exactly at
-the tail waypoint, i.e. the server's already-slid-down position.
-
-The code is not wrong. Retail's own remote would never trip this, because
-retail's remote is genuinely sliding and therefore genuinely making progress.
-**This is a downstream symptom of §1, not an independent defect — do not touch
-`InterpolationManager`.**
-
-### Elimination of the remaining candidates
-
-| Candidate | Site | Verdict |
-|---|---|---|
-| Far snap (≥96 m) — route 4b-2, just landed at `7f1c1f5a` | `RuntimeRemoteFarSnapPosition.ResolveArm`; classifier `RuntimeAuthoritativePositionRouteClassifier.cs:454-459` (`nearby = PlayerDistance < 96f`) | **Ruled out.** The observer is watching the house; `player_distance` is far under 96 m, so the classification is `Interpolate`, never `SetPositionSimple`. |
-| `RemoteContactArm.AirborneSnap` | `LiveEntityNetworkUpdateController.cs:1031-1049` | Ruled out for the *post-plant* blip: it requires `remote.Airborne`, which is false once the body has planted (cleared at `:2021` / `:497`). It *is* the mechanism for the initial plant-onto-the-roof snap. |
-| Airborne no-op branch | `LiveEntityNetworkUpdateController.cs:1994-1998` / `:2273-2280` | Not a writer at all — it writes nothing but `CellId` + `LastServerPos` (AP-135). It is a *contributor* (see below), not the blip. |
-| Teleport / `ForcePosition` | `RemoteTeleportController` | Ruled out: requires a bumped teleport/force-position sequence, which ACE does not emit for ordinary sliding movement. |
-| `InterpolationManager` 100 m autonomy blip | — | Ruled out at this distance. |
-
-### The un-established half: what the wire says during the slide
-
-There are **two** shapes of the same symptom, and code alone cannot tell them
-apart:
-
-- **Shape A** — ACE reports `IsGrounded == false` throughout the retail
- sender's slide. ACE derives that flag from its *own* server-side physics:
- `references/ACE/Source/ACE.Server/Network/Structure/PositionPack.cs:72-73`,
- `if ((PhysicsObj.TransientState & TransientStateFlags.OnWalkable) != 0) flags |= PositionFlags.IsGrounded;`.
- A steep roof is not walkable, so if ACE's server physics classifies it the
- same way retail does, the whole slide arrives with the bit clear. Every one of
- those packets classifies `NoPositionOperation`
- (`RuntimeAuthoritativePositionRouteClassifier.cs:422-443`) and acdream writes
- **nothing** — not even the interpolation queue. The remote is frozen for the
- entire slide, and the first `IsGrounded == true` packet after the sender
- reaches walkable ground fires the 4 m snap. Visible as: *land, total
- stillness, one large blip.*
-- **Shape B** — ACE reports `IsGrounded == true` throughout. Each packet
- classifies `Interpolate` and feeds the queue. The body still cannot move (§1),
- so **Candidate 2 fires first**, at ~0.33 s, snapping to the tail waypoint;
- Candidate 1 would only get its turn if the queue were empty. Visible as:
- *land, ~third of a second, blip.*
-
-Note that in **Shape A** the queue is never fed at all (the `NoPositionOperation`
-branch writes nothing), so Candidate 2 cannot fire — the blip must be
-Candidate 1, on the first grounded packet after the sender reaches walkable
-ground. **The two shapes therefore have different blip producers**, which is
-precisely why the capture is worth taking. This is **NOT ESTABLISHED**.
-
-One further §1 consequence worth naming here: retail's
-`InterpolationManager::adjust_offset` **@0x00555d30** gates its entire body on
-`physics_obj->transient_state & 1` (CONTACT_TS) at 0x00555D52 — a remote in free
-fall gets no interpolation correction at all. acdream ports that gate
-(`InterpolationManager.cs:319-321`, `:346-349`) and the remote tick passes
-`inContact: rm.Body.InContact` (`RuntimeRemotePhysicsUpdater.cs:269`, `:306`) —
-but Link 1 forces `Contact` true unconditionally, so the gate never engages.
-Another correct port defeated by the same forged input.
-
-### Do existing probes distinguish them? No.
-
-- `ACDREAM_PROBE_REMOTE_LANDING` (`PhysicsDiagnostics.cs:218-265`) fires only at
- the two landing *edges*. It logs `contact`, `onWalkable`, `gravitySet`,
- `resolveIsOnGround` — genuinely useful for confirming Links 3 and 4 at the
- landing instant, but it emits nothing during the slide window and nothing at
- the snap. It cannot see the wire bit or the classification.
-- `ACDREAM_PROBE_RESOLVE` (`PhysicsEngine.cs:2640`) logs
- `groundedIn / cp / hit / walkable` per resolve for every entity. It shows the
- contact-plane state but not the *result's* `OnWalkable`, not the plane's
- `Normal.Z`, and not the wire/classification side. It is also ~30 Hz × every
- entity — impractical for a two-client session.
-- `ACDREAM_REMOTE_VEL_DIAG` gives `[VEL_DIAG]` pace but no contact or
- classification data.
-
-### The probe that would settle it
-
-One new per-accepted-Position line for remote GUIDs, emitted at the routing
-site in `LiveEntityNetworkUpdateController` (both arms), plus one per-tick line
-for the same GUID:
-
-**`[remote-slide-up]`** — guid, `update.IsGrounded` (the raw wire bit),
-`earlyRemoteRoute?.Disposition`, `request.PlayerDistance`, `bodyToTarget`,
-`willBeDrTicked`, `firstUp`, the `ApplyInterpolate` `Action` result
-(`Snapped`/`Enqueued`), `rm.Airborne`, `Body.TransientState` Contact/OnWalkable,
-`Body.State & Gravity`, `Body.Velocity`, `Body.ContactPlaneValid`,
-`Body.ContactPlane.Normal.Z`, wire `worldPos`, `Body.Position`, plus
-`Interp` queue depth and `_failCount` (needed to tell Candidate 1 from
-Candidate 2).
-
-**`[remote-slide-tick]`** — guid, `resolveResult.InContact`,
-`resolveResult.OnWalkable`, `resolveResult.IsOnGround`,
-`Body.ContactPlane.Normal.Z`, `Body.Velocity`, `Body.Acceleration`, the
-pre/post-integrate positions, and whether the body actually moved this tick.
-Rate-limit to remotes whose `ContactPlaneValid && ContactPlane.Normal.Z <
-PhysicsGlobals.FloorZ` (i.e. only while standing on something steep) so the
-volume stays usable in a live two-client run.
-
-That single capture answers: which shape, which snap site, and whether the
-contact plane the sweep finds on the roof is actually steep.
-
----
-
-## 3. What retail does — verified directly against the pseudo-C
-
-All citations independently read out of
-`docs/research/named-retail/acclient_2013_pseudo_c.txt` for this report.
-
-### 3.1 Retail's observer runs full physics for *every* object — no player fork
-
-`CPhysics::UseTime` **@0x00509950** (pseudo-C :271481) iterates a
-`LongHashIter` over the whole physics-object hash and calls
-`update_object` on each entry (pseudo-C :271639-271650):
-
-```
-005099e0 class HashBaseData* curPtr_ = iter->curPtr_;
-005099e5 CPhysicsObj::update_object(curPtr_);
-005099ed if (curPtr_ == this->player)
-005099f2 SmartBox::PlayerPhysicsUpdatedCallback(this->smartbox);
-005099fa HashBaseIter::Next(this->iter);
-```
-
-The `curPtr_ == this->player` test only fires an extra callback. There is **no
-local-vs-remote fork on the update itself**.
-
-`CPhysicsObj::update_object` **@0x00515d10** (pseudo-C :283950-284055) has
-exactly one early-return gate (:283957):
-
-```
-00515d40 if ((this_3->parent != 0 || (this_3->cell == 0 || (this_3->state & 0x1000000) != 0)))
-00515eeb this_3->transient_state &= 0xffffff7f; // clear ACTIVE
-00515ef5 return;
-```
-
-`0x01000000` is `FROZEN_PS` (ACE `PhysicsState.Frozen = 0x01000000`,
-`references/ACE/Source/ACE.Entity/Enum/PhysicsState.cs:32`). **There is no
-`is_player`, `autonomous`, `server_controlled`, or `MOVEMENT_LOCKED` gate.**
-
-`0x01000000` is `FROZEN_PS` (retail header `acclient.h:2841`, `enum
-PhysicsState`; cross-checked against ACE
-`references/ACE/Source/ACE.Entity/Enum/PhysicsState.cs:32`).
-
-The rest is the object clock: `player_distance` is computed (:283963-283976,
-this is retail's own `player_distance` field, the one
-`MoveOrTeleport` later reads); `set_active(1)` when within 96 m or when the
-object has no part array (:283983-283988); then dt gates — `< 0.0002` return,
-`> 2.0` discard, then the MaxQuantum subdivision loop into
-`UpdateObjectInternal` (:284035-284053). The 96 m test is a **distance LOD that
-applies to the local player identically**, not an identity fork.
-
-The only autonomy-flavoured field on `CPhysicsObj` is
-`last_move_was_autonomous`, written at 0x00514FE9 in `set_description` from
-`PhysicsDesc::get_autonomous_movement` and read by
-`CPhysicsObj::movement_is_autonomous` **@0x0050eb30** — whose only four callers
-are in `CMotionInterp::apply_raw_movement`/`apply_current_movement`
-(@0x0052888D, @0x005288ED, @0x0052894D, @0x00528991), i.e. deciding whether to
-*send* movement upstream. **It is never read by the physics tick.**
-
-`UpdateObjectInternal` **@0x005156B0** (pseudo-C :283611) and
-`UpdatePositionInternal` **@0x00512C30** (:280817) likewise contain no identity
-fork. `UpdatePositionInternal`'s only state-dependent branch of interest is
-`transient_state & 2` (ON_WALKABLE_TS, :280836), which decides whether the
-animation root-frame delta is scaled by `m_scale` or by zero — the branch
-acdream mirrors at `RuntimeRemotePhysicsUpdater.cs:133-135`, except that
-acdream keys it on the client `rm.Airborne` bool instead of the transient.
-
-**Answer: a retail observer runs the complete transition/slide for a remote,
-identically to the local player.**
-
-### 3.2 `MoveOrTeleport` returning 0 does not suspend that simulation
-
-`CPhysicsObj::MoveOrTeleport` **@0x00516330** (pseudo-C :284304-284366) —
-verified verbatim:
-
-- `0x0051638E` — `if (arg4 != 0)` guards the entire near/far branch.
-- `0x0051636D` — `return 0` when it does not. Nothing is written.
-- `0x005163AF` — `InterpolateTo(this_1, arg2, IsMovingTo(this_1))` then
- `return 1` @0x005163BE, on `player_distance < 96f`.
-- `0x00516386` — cell-0/teleport branch, `teleport_hook` + flags-`0x1012`
- `SetPosition`, `return 1` @0x00516438.
-
-Nothing on the `return 0` path touches `update_time`, `FROZEN_PS`, `parent`,
-or `cell` — the three things `update_object` gates on. **The object keeps being
-ticked by `CPhysics::UseTime` at full rate.** This is the single most important
-retail fact for Bug B: retail's airborne no-op is safe *because* retail is
-simulating the object locally. acdream copied the no-op without the simulation.
-
-The caller confirms the same: `SmartBox::HandleReceivedPosition` **@0x00453FD0**,
-remote branch (pseudo-C :92995), is
-`if (MoveOrTeleport(...) != 0) { …ConstrainTo @0x00454272 }` and then returns.
-On the zero return it has done nothing but `unset_parent` @0x00454129 and the
-`!HasAnims`-gated `SetPlacementFrame` @0x00454142 — neither of which touches
-position, velocity, `FROZEN_PS`, or `ACTIVE_TS`.
-
-Incidental but worth recording: **`MoveOrTeleport` never references `arg5`**,
-the wire velocity vector. Retail discards the broadcast velocity for remotes
-entirely and relies on its own simulation — which is exactly the load acdream's
-`RuntimeRemotePhysicsUpdater.cs:169` cannot carry.
-
-### 3.3 Retail derives `on_walkable` from the contact plane
-
-`CPhysicsObj::SetPositionInternal` **@0x00515330**, pseudo-C :283481-283509
-(read out directly):
-
-```
-00515430 if (arg2->collision_info.contact_plane_valid == 0)
-00515437 eax_7 = (transient_state_1 & 0xfffffffe); // clear CONTACT_TS (0x1)
-00515430 else
-00515432 eax_7 = (transient_state_1 | 1); // set CONTACT_TS
-0051543c this->transient_state = eax_7;
-00515442 CPhysicsObj::calc_acceleration(this);
-...
-00515465 if ((eax_9 & 1) == 0) // not in contact
-0051549f this->transient_state = (eax_9 & 0xfffffffd); // clear ON_WALKABLE (0x2)
-005154a5 if ((eax_9 & 2) != 0) MovementManager::LeaveGround(...)
-00515465 else
-00515467 long double x87_r7_1 = this->contact_plane.N.z;
-0051546d long double temp1_1 = PhysicsGlobals::floor_z;
-00515478 if (contact_plane.N.z < floor_z)
-0051548e CPhysicsObj::set_on_walkable(this, 0);
-00515478 else
-00515482 CPhysicsObj::set_on_walkable(this, 1);
-```
-
-Contact and on-walkable are **two independent facts**. A steep roof is Contact
-and not on-walkable. acdream ports this correctly in
-`PhysicsObjUpdate.ApplySetPositionContact` (`:30-56`) and
-`IsWalkableContact` (`:20-21`) — it simply never calls them on the visible
-remote path (Link 4).
-
-### 3.4 What actually makes retail slide on a steep contact
-
-Three pieces, all present and correct in acdream's Core — none of them reachable
-by a grounded remote:
-
-1. **Gravity survives.** `CPhysicsObj::calc_acceleration` **@0x00510950**
- (pseudo-C :278533; acdream's port is `PhysicsBody.cs:503-518`) zeroes
- acceleration only when `CONTACT && ON_WALKABLE && !SLEDDING` (0x0051096B). On
- a steep contact `ON_WALKABLE` is clear, so it falls through to the
- `state & GRAVITY_PS (0x400)` test at 0x005109F4 →
- `acceleration = (0, 0, PhysicsGlobals::gravity = -9.80000019)`.
- **`GRAVITY_PS` is on in the `CPhysicsObj` constructor** — `state = 0x400C08`
- at 0x00512508 (EDGE_SLIDE | LIGHTING_ON | GRAVITY | REPORT_COLLISIONS) — and
- is thereafter set wholesale from the wire by `set_description`'s
- `set_state(this, desc->state, 1)` @0x00514F40. `set_state` @0x00514DD0
- post-processes only lighting / nodraw / hidden; **it never masks GRAVITY**.
- Retail never toggles the bit on a landing.
-2. **Friction does not engage.** `CPhysicsObj::calc_friction` **@0x0050ee70**
- (pseudo-C :276694) opens with `if ((this->transient_state & 2) != 0)` at
- 0x0050EE7D — the *entire* function body, including the
- `v -= (v·N)N` into-plane removal and the `pow(1-friction, dt)` damping, is
- inside that `if`. On a non-walkable contact it returns immediately: no
- friction, and the into-surface component is never projected out. acdream's
- port has the identical gate (`PhysicsBody.cs:693-696`).
-3. **The sweep projects the motion along the plane** — `CTransition` /
- `SlideSphere` @0x00537440 and the `SetPositionInternal` sliding-normal tail
- at 0x005154c2-0x005154e8.
-
-`UpdatePhysicsInternal` then integrates: `Velocity += Acceleration * dt`
-unconditionally (acdream `PhysicsBody.cs:771`). That is the slide.
-
-### 3.5 Retail's interpolation is a per-frame *offset*, not the motion
-
-`PositionManager::adjust_offset` **@0x00555190** (pseudo-C :352090-352115)
-chains `InterpolationManager::adjust_offset` → `StickyManager::adjust_offset`
-→ `ConstraintManager::adjust_offset` into the same `Frame` that
-`UpdatePositionInternal` then sends through the transition sweep. In retail the
-interpolation nudges an object that is *already* moving under its own physics.
-In acdream the interpolation catch-up is the object's *entire* motion
-(`RemoteMotionCombiner.ComposeOffset`, `:40-76`), because Links 1-3 removed
-everything else.
-
----
-
-## 4. Is the roof even walkable? — the classification agrees; the consumer does not
-
-**acdream's classifier agrees with retail.** `PhysicsObjUpdate.IsWalkableContact`
-(`:20-21`) is `inContact && contactNormal.Z >= PhysicsGlobals.FloorZ` — the same
-predicate as retail's `contact_plane.N.z < floor_z` test above, and the same as
-retail's standalone `CPhysicsObj::is_valid_walkable` **@0x0050f530** (pseudo-C
-:277180), which is literally `return N.z < floor_z ? 0 : 1`.
-
-**Constant check — with a caveat.** acdream `TransitionTypes.cs:1255` carries
-`FloorZ = 0.6642f`, while `src/AcDream.Core/Rendering/Wb/TerrainUtils.cs:20`
-carries `0.66417414618662751f`. Two copies of the same constant in our own tree,
-differing by 2.6e-5 (about 0.002° of slope). Not load-bearing for Bug B, but it
-is an unexplained internal divergence and should be unified on the longer value.
-
-**The literal 0.66417414 does NOT appear anywhere in the pseudo-C** — grep
-returns nothing. `PhysicsGlobals::floor_z` lives at 0x008EDE5C and is computed
-at static-init in `$E73` **@0x0070d920** (pseudo-C :805181), which Binary Ninja
-renders as `floor_z = __fcos(3437.7467707849391)`. That rendering is a BN
-artifact of the classic elided-numerator kind (`3437.74677` is
-arcminutes-per-radian, so the real source is `cos( / 3437.7467…)`; BN
-dropped the numerator, exactly the class of defect
-`claude-memory/feedback_bn_decomp_field_names.md` warns about). The *value* is
-corroborated by WorldBuilder and ACE agreeing on 0.66417414618662751, but a
-byte decode of 0x0070D920 would be needed to pin it from the binary — see
-NOT ESTABLISHED #6.
-
-So the "acdream thinks it's walkable, retail doesn't" hypothesis is **half
-true, and its cause is not the threshold**. acdream's *sweep* would classify
-the roof exactly as retail does. The forged `OnWalkable` at
-`RuntimeRemotePhysicsUpdater.cs:150-154` overwrites that answer before the
-sweep ever runs, and `Tick` discards the answer the sweep returns anyway
-(Link 4). This is a plumbing defect, not a geometry or threshold defect.
-
-**NOT ESTABLISHED:** whether the specific house roof in the user's test
-actually produces a contact plane with `Normal.Z < 0.6642` in acdream's
-collision data. Buildings are GfxObj/Setup collision, and no capture of the
-contact plane on that roof exists. The `[remote-slide-tick]` probe's
-`ContactPlane.Normal.Z` field settles it.
-
----
-
-## 5. Is it in the register / ISSUES already?
-
-**Yes, partially — three rows and one issue, none of them complete.**
-
-| Record | What it covers | Gap |
-|---|---|---|
-| `docs/ISSUES.md` **#32** (2026-08-04 addendum, ~:9562) | Bug B named, root-caused to the *landing block's* unconditional `OnWalkable`; cites `SetPositionInternal` @0x00515330 :283501-283509 correctly | Does not name `RuntimeRemotePhysicsUpdater.cs:150-154` (the dominant per-tick force), does not name `:169` (velocity zeroing), and treats Link 3 (Gravity) as a Bug A concern only. The stated fix target is therefore insufficient. |
-| register **AP-87** (`:242`) | The 4 m snap; its risk column *already predicted this exact symptom* and was updated 2026-08-04 with the live observation | Correct and current. AP-87 is the blip's mechanism, not its cause — do not "fix" AP-87. |
-| register **AP-81** (`:235`) | Remote VectorUpdate's non-retail Airborne/Gravity dance; risk column literally says "grounded remotes carry a non-retail state word" | Its file:line column lists only the VectorUpdate handler and the landing blocks. It does **not** list `RuntimeRemotePhysicsUpdater.cs:150-154`/`:169` — the per-tick unconditional force and velocity zeroing have **no register row of their own** and are not covered by AP-81's cited sites. Register rule 1 violation; the row needs extending in whichever commit next touches that file. |
-| register **AD-10** (`:122`) | Remote slope projection is terrain-normal-only (`RemoteMotionCombiner.ComposeOffset :65-73`, `ComputeOffset :163-168`), cannot see building/EnvCell geometry; already amended 2026-08-04 to name Bug B | Correct. Confirms that even a corrected `OnWalkable` gets no help from this path on a house roof. |
-
-**Verified `#32` is NOT a route-4a regression, independently:** the landing
-block's `TransientState |= Contact | OnWalkable` and the per-tick force at
-`:150-154` both predate C4. The per-tick force carries the comment "Forces
-OnWalkable + Contact so the gate in `apply_current_movement` always succeeds"
-(`:138-140`) — a #184-Slice-2b-era construct, unrelated to route 4a. Do not
-revert `44830a0e` or `7f1c1f5a`.
-
-**DO-NOT-RETRY check** (`claude-memory/project_physics_collision_digest.md`):
-the proposal in §6 does not appear in any DO-NOT-RETRY table. Closest
-neighbours, all distinct: the AD-25 landing `Velocity.Z = 0` hand-zero
-(:145-151) — this proposal *removes* a velocity zeroing rather than adding one,
-and does not touch the landing reflect; "do not seed transition contact from a
-caller's `isOnGround` bool when a body is present" (:149-150) — this proposal
-moves the remote *toward* body-derived contact, which is the same direction;
-#269's slope-slide residual (:152-160) — a *local-player* decay-curve question
-whose code is byte-exonerated, unrelated to the remote plumbing here.
-
----
-
-## 6. Proposed fix
-
-### The one-line summary
-
-The remote tick already runs retail's sweep and the sweep already computes
-retail's answer. **Stop forging the inputs and start consuming the outputs** —
-i.e. make the visible remote path use the same
-`PhysicsObjUpdate.CommitSetPositionTransition` seam that `TickHidden` and every
-other body in the codebase already use.
-
-### Concrete targets
-
-1. **`src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:150-154`** —
- delete the unconditional `Contact | OnWalkable` force from the grounded
- branch. Keep `Active`. Retail's equivalent state is written only by
- `SetPositionInternal` from the contact plane
- (`@0x00515330`, 0x00515430 / 0x00515465-0x0051548e).
-2. **`RuntimeRemotePhysicsUpdater.cs:420-477`** — replace the bare
- `HandleAllCollisions` call with `PhysicsObjUpdate.CommitSetPositionTransition
- (body, resolveResult.InContact, resolveResult.OnWalkable, …, previousContact,
- previousOnWalkable, rm.Movement.HitGround, rm.Motion.LeaveGround, isCurrent)`
- — byte-identical in shape to `TickHidden.cs:778-795`, which already does
- exactly this. `CommitSetPositionTransition` calls `HandleAllCollisions`
- itself (`PhysicsObjUpdate.cs:104-110`), so this is a substitution, not an
- addition. Retail order is `SetPositionInternal` contact/walkable →
- `HitGround`/`LeaveGround` → `handle_all_collisions` @0x005154FE.
-3. **`RuntimeRemotePhysicsUpdater.cs:493-495`** — the landing test currently
- uses `resolveResult.IsOnGround`, which is `inContact || …`
- (`PhysicsEngine.cs:2660`) and therefore true on a steep roof. It must be
- `resolveResult.OnWalkable`. Retail's ground edge is `set_on_walkable`, not
- contact.
-4. **`RuntimeRemotePhysicsUpdater.cs:169`** — the `Velocity = Zero` must become
- conditional on the body actually being on walkable ground, or be deleted in
- favour of letting `calc_friction` (which retail gates on `OnWalkable`,
- `PhysicsBody.cs:693-696`) do the decay. Deleting it outright is the
- retail-faithful shape; making it conditional is the smaller step.
-5. **`RuntimeRemotePhysicsUpdater.cs:571-576` and
- `LiveEntityNetworkUpdateController.cs:2110-2116`** — stop clearing
- `PhysicsStateFlags.Gravity`. Retail keeps GRAVITY_PS for the object's whole
- life and gates gravity acceleration on the Contact transient inside
- `calc_acceleration` (already correct in `PhysicsBody.cs:505-517`). This
- retires the bulk of register row **AP-81** and is shared with **Bug A**'s H1.
-6. **`LiveEntityNetworkUpdateController.cs:2023-2024`** — the landing block's
- force, the site ISSUES.md #32 names. Necessary but, alone, useless: `:150-154`
- re-asserts it on the next tick.
-
-7. **Register bookkeeping, same commit.** `AP-81`'s file:line column must gain
- `RuntimeRemotePhysicsUpdater.cs:150-154` and `:169` (§5). If items 1-5 land,
- AP-81 is largely retired and the row should be deleted or narrowed in the
- same commit per the register's rule 1. `AP-87` stays — it is the backstop,
- not the bug.
-
-**Explicitly NOT in scope:** `src/AcDream.Core/Physics/InterpolationManager.cs`.
-Its stall blip (§2 Candidate 2) is a faithful port of retail
-`InterpolationManager::UseTime` @0x00555f20 and is behaving correctly on a
-frozen body. Touching it would be a symptom-site guard.
-
-### Ordering and prerequisites
-
-Items 1-4 are one coherent change and must land together — any subset leaves
-either a forged input or a discarded output. Item 5 is separable and is shared
-with Bug A. Item 6 falls out of item 1 (both sites express the same wrong idea).
-Item 7 is bookkeeping and rides whichever commit lands 1-4.
-
-### Blast radius
-
-- **Every remote — players and NPCs alike.** Slice 2b deliberately collapsed the
- player/NPC fork (`RuntimeRemotePhysicsUpdater.cs:110-117`); there is one path.
- A remote will now genuinely fall, slide, and be subject to friction. This is
- the intent, and it is what makes it risky: **the #184 invisible-but-solid
- monster lived in this neighbourhood.** AP-87's 4 m snap stays as the backstop
- and must not be weakened in the same change (AP-137 explicitly warns that
- weakening it turns the leftover arm into a silent-freeze path).
-- **NPC free-fall / knockback** — the route 4a acceptance criterion "push a
- monster off a ledge, confirm it falls and lands without hovering"
- (`2026-08-03-c4-route-4a-contract.md:174-183`) is directly exercised by items
- 3 and 5 and must be re-run.
-- **Local player** — untouched. `PlayerMovementController` constructs its body
- with `State = Gravity | ReportCollisions` permanently
- (`PlayerMovementController.cs:689`) and already commits contact from the
- sweep. No shared code changes.
-- **Projectiles** — untouched. `RuntimeProjectilePhysicsUpdater` has its own
- stepper and its own state handling.
-- **Hidden remotes** — untouched; `TickHidden` already does the right thing and
- is the template.
-- **Sticky melee (TS-44) and de-overlap (#184/AP-86)** — the shadow-follows-
- resolved sync at `:618-630` reads `rm.Body.Position` after the resolve; a body
- that now genuinely moves under gravity will re-flood its shadow more often.
- Perf note, not correctness, but worth measuring in a packed town.
-- **The interpolation contact gate goes live.** `InterpolationManager.AdjustOffset`'s
- `inContact` early-return (`:319-321`, `:346-349` — retail's @0x00555D52
- CONTACT_TS gate) currently never engages because Link 1 forges the bit. After
- item 1 it will, and an out-of-contact remote will stop receiving interpolation
- corrections mid-fall — which is retail-correct, and which also means Candidate 2
- can no longer accumulate fail counts against a falling body. Expect the
- observable timing of any residual blip to change.
-
-### Does it need live cdb evidence rather than a code change?
-
-**The retail side does not** — §3 establishes retail's behaviour from the
-pseudo-C conclusively, with no ambiguity requiring a runtime trace. `CPhysics::UseTime`
-iterating every object, `update_object`'s three-condition gate, `MoveOrTeleport`'s
-bare `return 0`, and `SetPositionInternal`'s floor_z comparison are all read
-directly and are unambiguous.
-
-**The acdream side does**, for one thing only: **which of Shape A / Shape B is
-happening on the wire**, and whether the roof's contact plane in acdream's own
-collision data is actually steep (§4's NOT ESTABLISHED). That is an *acdream*
-capture — the `[remote-slide-up]` / `[remote-slide-tick]` probe of §2 — not a
-retail cdb attach. Retail cdb is not the right tool here and would not answer
-either question.
-
-The honest recommendation: **land the probe, take one two-client capture, then
-implement items 1-4 together.** Implementing before the capture is defensible
-given how complete the code-side chain is, but the capture costs one session
-and tells us whether the wire is *also* starving the path (Shape A), which
-changes whether the `NoPositionOperation` branch needs its own follow-up.
-
----
-
-## Shared root with Bug A?
-
-**Partially — one of three links is shared; the rest are not.**
-
-Shared: **Link 3, the Gravity clear.** Bug A's H1
-(`2026-08-04-remote-landing-investigation.md:55-88`) is that the Gravity bit is
-already clear when `HitGround()` runs, so `CMotionInterp::HitGround`'s
-`state & 0x400` gate silently no-ops and the Falling pose never exits. Bug B's
-Link 3 is that the same clear removes the gravity acceleration that would drive
-the slide. **Item 5 of the fix addresses both.**
-
-Also shared: the **misclassified landing edge** (item 3). If the remote "lands"
-on a steep roof because `IsOnGround` is contact-derived, it runs the whole
-landing block — `HitGround`, Gravity clear, pose transition — on a surface
-retail is still sliding it down. That is a plausible amplifier for Bug A's
-symptom *specifically in the roof scenario*, though Bug A also occurs on flat
-ground, where it must have another cause.
-
-Not shared: Links 1, 2, and 4 (the per-tick force, the velocity zeroing, and
-the uncommitted sweep result) are pure position/physics and have no animation
-consequence. Bug A's H2 (no `DefaultSink` bound) and H3 (scheduler-side) have no
-Bug B analogue.
-
----
-
-## NOT ESTABLISHED
-
-1. **Which shape (A or B) the wire produces during a retail sender's roof
- slide** — i.e. whether ACE emits `IsGrounded == false` for the whole slide.
- Requires the `[remote-slide-up]` capture. Depends on whether ACE's *server-side*
- physics classifies a house roof as non-walkable, which was not traced.
-2. **Whether the specific roof produces a contact plane with `Normal.Z <
- 0.6642` in acdream's collision data.** Requires the `[remote-slide-tick]`
- capture's `ContactPlane.Normal.Z` field.
-3. **Whether items 1-4 are sufficient** to reproduce retail's slide, or whether
- the `#173` remote collision-velocity reflect (shipped but its gate folded
- into the never-run Campaign P matrix scenario 8) and AD-10's terrain-only
- projection also need work. ISSUES.md #32 already flags both as open
- dependencies and that assessment is confirmed here.
-4. **Whether ACE relays a `0xF74E` VectorUpdate at all during a slide.** If it
- does not, the sender's slide velocity never reaches acdream even in
- principle, and the local simulation is the only possible source — which
- strengthens the fix but was not verified against ACE's broadcast conditions.
-5. **Whether ACE's server-side physics classifies a house roof as
- non-walkable.** ACE emits `IsGrounded` from its own
- `PhysicsObj.TransientState & OnWalkable` (`PositionPack.cs:72-73`), so
- Shape A requires ACE's server physics to agree with retail's `floor_z` test
- on building geometry. Not traced.
-6. **`PhysicsGlobals::floor_z`'s exact value from the binary.** The literal is
- absent from the pseudo-C and its static-init is a BN-mangled `fcos`
- (§4). The value is corroborated by two independent references but not by a
- primary byte decode of 0x0070D920.
-7. **The polarity of `MoveOrTeleport`'s `player_distance` vs `96.0f` compare**
- at 0x00516393 — BN emits `bool p = unimplemented {test ah, 0x5}` and its
- synthesized `fcom` operand ordering is inconsistent across this dump. Nothing
- in this diagnosis depends on it: both arms `return 1` and both leave the
- object in the simulation set, and the observer in the user's test is far
- inside 96 m either way.
diff --git a/docs/research/2026-08-04-c4-route-3-architecture-review-round2.md b/docs/research/2026-08-04-c4-route-3-architecture-review-round2.md
deleted file mode 100644
index c09609b0..00000000
--- a/docs/research/2026-08-04-c4-route-3-architecture-review-round2.md
+++ /dev/null
@@ -1,411 +0,0 @@
-# C4 route 3 — architecture / adversarial review, ROUND 2 (delta) — 2026-08-05
-
-**Verdict: FAIL.**
-
-Reviewed: the uncommitted working tree at HEAD **`cd3129e9`**, +2,570/-232 across
-16 files. Round-1 report:
-[`2026-08-04-c4-route-3-architecture-review.md`](2026-08-04-c4-route-3-architecture-review.md).
-`dotnet build AcDream.slnx -c Debug` exits 0.
-
-**Round-1 findings closed: A4, A6, A9, A10(a).** A1, A2, A3 were addressed with
-real design work that is directionally right — the A1 fix in particular
-(inverting the readiness feed instead of touching the sequencer) is the correct
-architectural answer to a hard constraint, and I want that stated plainly.
-
-**The FAIL is one defect, present symmetrically on both hosts, introduced by
-the A1/A3 fixes themselves:** both new "am I committed yet?" gates infer
-*commit* from *the drive controller's global pending slot being empty*. That
-slot empties on at least three paths that do **not** commit — including the one
-the drive's own doc comment names as the *expected* outcome of a park. When it
-does, the graphical controller latches `_placementCommitted = true` and the
-headless projection reports `IsCollisionReady: true`, and both hosts then march
-the full completion sequence against an unmoved body. That is round-1's A1/A3
-restored, and on the graphical side it is now *worse*, because
-`AcknowledgePortalMaterialized` succeeds where it previously failed its
-invariant.
-
-Numbering continues as **B*n*** to avoid collision with round 1.
-
----
-
-## MAJOR — the FAIL
-
-### B1 — `PendingCount == 0` is not "committed"; both hosts infer commit from a signal that is also set by three non-committing paths
-
-**Severity: MAJOR (FAIL basis). Both hosts. Uncovered by any test.**
-
-Graphical, `src/AcDream.App/Streaming/LocalPlayerTeleportController.cs:646-658`:
-
-```csharp
-if (_awaitingDeferredWake)
-{
- if (_acceptedPositionDrive.PendingCount != 0)
- return false;
- _awaitingDeferredWake = false;
- _placementCommitted = true; // <-- infers commit from "not pending"
- return true;
-}
-```
-
-Headless, `src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs:816-821`:
-
-```csharp
-if (_awaitingPortalWake)
-{
- committed = _acceptedPositionDrive.PendingCount == 0;
- if (committed)
- _awaitingPortalWake = false;
-}
-```
-
-`PendingCount` is
-`RuntimeAcceptedPositionDriveController.cs:330` — `_pending is null ? 0 : 1`.
-It is (a) **global**, not portal-scoped, and (b) cleared by every terminal path,
-committing or not. `Advance()` clears `_pending` at five sites; three of them
-run **without** a portal commit:
-
-| site | condition | committed? |
-|---|---|---|
-| `:975` | *"The watch died — most likely a subsequent accepted Position's merge-time `Forget`"* | **no** |
-| `:920` | A2's new abandon-at-wake (`!IsPortalAuthorityCurrent`) | body moved by `RetryDeferred`, **suffix skipped** |
-| `:998` | A2's new abandon at the prepare-retry branch (`CancelToken`) | **no — nothing ever placed** |
-
-**The `:975` path is the modal case, not a corner case.** The method's own
-doc comment (`:880-892`) says it verbatim:
-
-> `RuntimeEntityObjectLifetime.TryApplyPosition` calls `Forget` on EVERY
-> accepted Position for this entity … ACE broadcasts at 5-10 Hz, so a
-> `DeferredCell` park surviving past one broadcast interval is cancelled
-> before its collision generation can ever commit it — **the exact
-> far-destination case the park exists to serve**.
-
-So: park → within ~100-200 ms an ordinary broadcast `Forget`s it → `Advance`
-clears `_pending` → `PendingCount == 0` → both gates declare success.
-
-**Concrete failure scenario (graphical).** Portal to a landblock whose
-collision generation has not committed. `TryExecuteAcceptedPortalArrival`
-returns `DeferredCell`; `_awaitingDeferredWake = true`. One ACE broadcast
-later the park is Forgotten and `_pending` clears. Next `Tick`:
-`_placementCommitted = true` → `placementReady = true` → the sequencer leaves
-`Tunnel` and fires `Place` → the `if (!_placementCommitted) return;` guard at
-`:557` **passes** → `_placement.Place(_pendingRotation)` writes the render
-entity from the *unmoved* `controller.Position` and rebuckets to the *source*
-cell → `ObserveMaterialized(_pendingRevealGeneration, sequence, _pendingCell)`
-**succeeds** (the reveal is still active and current) → `PlayExitSound` reveals
-the world viewport → `FireLoginComplete` sends LoginComplete, and
-`_transit.Complete(generation)` now **passes** its
-`portal-complete-before-materialized` check because materialization was falsely
-acknowledged. The player is released into the world standing at the
-pre-teleport position, the transit reports a clean completion, and nothing logs
-an invariant failure. Round 1's A1 at least tripped
-`FailInvariant("portal-complete-before-materialized")`; this does not.
-
-**Concrete failure scenario (headless).** Identical shape:
-`PrepareDestination` returns `IsCollisionReady: true`, so
-`RuntimeLiveEntitySessionController.TryAdvancePortalCompletion` runs
-`AcknowledgeDestinationReadiness` → `AcknowledgePortalMaterialized` →
-`Complete` → `TerminalProjected` → `LoginComplete` → `EndTeleport`, and sets
-`controller.State = PlayerState.InWorld`, all with the body unmoved. That is
-round-1 A3 verbatim.
-
-**Secondary hazard from the same root:** because the slot is global, a portal
-park killed by a merge-time `Forget` can be immediately replaced by the force
-arm's own `RetainPending` from that same merge
-(`TryExecuteAcceptedLocalPosition` → `RetainPending`). The portal gate then
-polls a **ForcePosition** operation, waits for it, and latches "portal
-committed" when the force operation settles.
-
-**Why no test caught it.** Both new park tests
-(`PortalDeferredCell_ParksThenCommitsExactlyOnceOnTheCollisionGenerationWake`,
-`HeadlessPortalPrepareDestinationParksThenCommitsOnCollisionGenerationWake`)
-commit the destination's collision generation so the park resolves by
-committing. `PortalDeferredCell_WakeAbandonsInsteadOfReconcilingWhenAuthorityWentStale`
-asserts the **drive's** behaviour (`Assert.Empty(gameActions)`) and stops
-there — it never asks what the *host gate* concludes from the resulting
-`PendingCount == 0`. The seam between "the drive retired the park without
-committing" and "the host decides the portal is placed" is exactly where the
-defect lives and is exactly what no test crosses.
-
-**Fix direction.** Stop inferring. The drive already knows the answer with
-certainty — `ReconcileAndAcknowledgePortal` runs on commit and only on commit.
-Publish that fact:
-
-- add a portal-commit observable to `RuntimeAcceptedPositionDriveController`
- — e.g. `bool TryConsumePortalCommit(long revealGeneration, ushort teleportSequence)`
- latched in `ReconcileAndAcknowledgePortal` and cleared on consumption, or an
- `Action` commit callback supplied at
- construction alongside `isPortalAuthorityCurrent`;
-- have both host gates consume **that**, keyed on the reveal
- generation/sequence they are waiting for, so a force pending, a Forgotten
- park, and an abandoned park are all correctly "still not committed";
-- give the park a terminal "abandoned" outcome the host can see, so it can
- either re-attempt cleanly (`_awaitingDeferredWake = false` and try Begin
- again next tick) or converge through the existing transit cancellation
- rather than silently succeeding.
-
-**Required tests (both must fail against the current code):**
-1. Graphical: park, then kill the park with a merge-time `Forget` (an ordinary
- accepted Position — the fixture's `OfferDestination` already performs the
- merge) instead of committing the collision generation; drive 100 ticks;
- assert `Placement.Called == false`, `Movement.Controller.Position` unchanged,
- `Reveal.PortalMaterializationCount == 0`, `Session.LoginCompleteCount == 0`,
- `Controller.IsActive == true`.
-2. Headless: same, asserting `PrepareDestination` keeps returning
- `IsCollisionReady: false` and `controller.State` stays `PortalSpace`.
-3. Graphical: park, then let the force arm take the pending slot; assert the
- portal gate does not latch when the *force* operation settles.
-
----
-
-## MEDIUM
-
-### B2 — A2's re-validation does not close the FIFO wedge it was written for; it only narrows reachability
-
-The implementer's own note is accurate and I confirm it: `RetryDeferred` →
-`CommitCanonical` publishes the `Place` receipt asynchronously, and
-`IsPortalAuthorityCurrent` runs only afterwards, inside `Advance`, gating the
-*suffix*. But the wedge was never in the suffix — it is in the receipt:
-
-- `Advance:920`'s abandon branch is reached only **after**
- `TryPeekAcknowledgedPlacement` succeeded, i.e. the sink **already accepted**
- the receipt. On that path there was never a wedge to prevent.
-- The wedge path is the one where the sink **refuses**:
- `RuntimePlacementPresentationSink.TryApply` →
- `RuntimeWorldTransitState.IsCurrentPlacementAuthority` false → return false →
- `RuntimePlacementProjectionSubscription.OnPlacement` leaves it at the FIFO
- head → every later placement receipt for every entity is blocked and the
- drive's pending never converges. `IsPortalAuthorityCurrent` never runs on
- that path, because `TryPeekAcknowledgedPlacement` never yields.
-
-What the A1 fix *does* buy is reachability: with `placementReady` false during
-a park, the sequencer cannot reach `FireLoginComplete`, so the transit no
-longer ends underneath an outstanding park in the ordinary flow. The remaining
-entries are mid-transit supersession (a second F751 while parked →
-`OnTeleportStarted` → `ResetTransit` → `EndTeleport`), `ResetSession`, and
-`ResetGenerationPresentation` — i.e. exactly the §9 "honest gap" cases.
-
-That is a genuine narrowing and I credit it. It is not closure, and the
-consequence remains unbounded (whole-FIFO stall + non-convergent shutdown), so
-contract stop condition 4 ("P3 finds a portal receipt no mechanism can consume
-or retire — the FIFO-wedge shape changes the design, not the test") still
-applies.
-
-**Fix direction.** The retire path has to exist at the receipt, not the suffix.
-Either (a) let the sinks treat a `Place` whose entity/versions are current but
-whose portal authority is dead as acknowledge-and-ignore (the same shape
-`Discard`/`ExecutorCompleted`/`WithdrawalRestored` already use, and for the
-same stated reason — refusing wedges the ordered stream), or (b) have
-`CommitCanonical` drop a portal suffix it can already see is not current rather
-than publishing a receipt nothing can consume. (a) is smaller and matches the
-existing precedent in both sinks' own doc comments.
-
-### B3 — Headless `_awaitingPortalWake` is not reset across teleports within one session
-
-`HeadlessSessionWorldProjection.cs:762`. The graphical twin
-(`_awaitingDeferredWake`) is cleared in `ResetTransit:932`, which
-`OnTeleportStarted` calls — clean. The headless field has no equivalent: it is
-cleared only when the poll declares success, and `HeadlessSessionWorldProjection`
-is constructed per *session*, not per teleport.
-
-**Scenario.** Teleport 1 parks → `_awaitingPortalWake = true`. Before the next
-`PumpPortalCompletion`, a new F751 arrives; `TryCompletePortal` overwrites
-`_pendingPortalCompletion` with reveal 2. The next pump calls
-`PrepareDestination(reveal 2)`, which takes the **poll** branch left over from
-reveal 1 — so reveal 2's placement is never even attempted, and if
-`PendingCount` happens to be 0 it is immediately declared committed. This is
-B1's inference bug plus a stale latch, on a path that does not require a
-Forgotten park.
-
-**Fix direction.** Key the latch to the reveal generation (or clear it in
-`BeginTeleport`, which already runs per teleport on this host).
-
-### B4 — Both hosts' retry loops are unbounded and undiagnosable
-
-A refusal loop (`Contention`, stale reveal, or a park that never converges)
-now retries forever with no timeout and no terminal path.
-
-- **Graphical**: the player holds in the tunnel with the retail wait cue after
- 5 s. This is a *modelled* end state — AD-2 already documents "predicate never
- satisfies → portal transit remains in the authored tunnel and presents the
- centered wait cue" — so an infinite stall is strictly better than round 1's
- silent release, and I do not consider it blocking. Two gaps, though: AD-2
- attributes that state to streaming/DAT failure only, and now a *placement*
- refusal produces the identical user-visible state; and `_holdSeconds` /
- `ObserveWait` are now driven by `!placementReady` rather than `!dataReady`,
- which is a real semantic change to the wait cue's meaning. The
- `[tp-probe] REFUSED cause=…` line does distinguish them in the log — good —
- but AD-2 should say so.
-- **Headless**: worse, because there is no cue and no bound. A bot whose
- destination collision never becomes resident sits in `PlayerState.PortalSpace`
- indefinitely, connected and healthy-looking; `PumpPortalCompletion` is
- entirely silent. Under K4's 30-session envelope this is an invisible stuck
- session. At minimum emit one probe line on the first N retries; ideally bound
- the wait and fail loudly.
-
-### B5 — §8 items 8/9/10 (the committed-receipt presentation suite) — **does NOT block**, with conditions
-
-Answering the coordinator's direct question.
-
-**Does not block route 3.** Reasons, in order of weight:
-
-1. The render-entity half now has a *proven mechanism*, not a claim.
- `LiveEntityRuntime.TryApplyRuntimePlacementPlace:1394-1402` performs
- `entity.SetPosition(projection.WorldPosition)`, `entity.Rotation = …`,
- `entity.ParentCellId = token.ExactCellId` and `RebucketLiveEntity`,
- synchronously inside `CommitCanonical`, before `TryPublishPlace` snapshots.
- That path is shared with route 2's force arm and C3c's first entry and has
- existing coverage. Round 2 correctly rewrote the class doc to say so
- (round-1 A10(a) closed).
-2. The restored `Movement.Controller.Position`/`CellId` assertions prove the
- canonical body resolved the offered destination — which is the half route 3
- actually changed ownership of.
-3. The shadow half is a **pre-existing route-2 defect**, not a route-3
- regression: `LocalPlayerShadowState.Set` (written by the sink) updates only
- the dedup cache, never `PhysicsEngine.ShadowObjects`, while
- `LocalPlayerShadowSynchronizer.SyncPose` dedups against that same cache. It
- self-heals on the player's first >1 cm move. Route 3 widens the window (via
- `LocalPlayerProjectionController.Project:102`'s PortalSpace early return) but
- does not change its kind.
-
-**Conditions — all three, or it does block:**
-
-- It is recorded as an **open issue with a number** (#312's layer / route 2's
- B2 gap, now two campaigns old) and carried explicitly into C5's parity-test
- scope. Not a comment; a tracked item.
-- The connected gate is **not** scored as covering it. The probe fields
- (`leash`, `autorun`, `hookTail`) say nothing about the shadow; there is no
- visual for it. If the user's session passes, the shadow claim remains
- test-verified-nowhere and must be reported that way (the §9 "honest gap"
- discipline).
-- The register gets one line under AD-2 or a sibling row naming the
- cache-without-publish asymmetry, so the next reader does not assume
- `LocalPlayerShadowState.Current` means "published".
-
-**Concretely, what the test needs** (in
-`tests/AcDream.App.Tests/World/RuntimePlacementPresentationSinkTests.cs`, whose
-fixture already owns `BeginPortal` and a `LocalShadow`):
-
-1. **Committed local-player portal Place through the real sink.** Pre-seed the
- render `WorldEntity` at a *different* (wire) pose — this is also §8 item 9's
- T8-ordering half. Drive a `Place` receipt for the local player carrying a
- VALID portal authority. Assert, after: `entity.Position`/`Rotation`/
- `ParentCellId` equal the receipt's `WorldPosition`/`Orientation`/
- `ExactCellId` (the wire pose did not survive); the spatial bucket moved to
- the destination landblock; `LocalShadow.Current` equals the resolved pose;
- **and `PhysicsEngine.ShadowObjects` actually holds a row for the player at
- the destination cell** — that last assertion is the one that discriminates
- cache-only from published, and is the whole point.
-2. **Discrimination half.** The same receipt with a stale/superseded portal
- authority must be refused **and then retired** — not left at the FIFO head.
- This is also B2's regression test.
-3. **Refused-Place presentation (§8 item 10).** Already partly covered by
- `RefusedPlace_HoldsTheStreamAndConvergesOnlyAfterContentionClears`; extend it
- to assert the pre-teleport pose is still the *presented* pose (entity +
- world snapshot store), not only that the body is unmoved.
-4. **Sabotages that must fail:** remove the sink's `entity.SetPosition` → (1)
- fails; leave the shadow write as cache-only → (1)'s `ShadowObjects`
- assertion fails; make the stale-authority receipt return `false` forever →
- (2) fails.
-
----
-
-## MINOR
-
-### B6 — `isPortalAuthorityCurrent` should be a required constructor parameter
-
-The coordinator's specific concern, checked: **both production sites wire it** —
-`SessionPlayerComposition.cs:597-603` and `HeadlessSessionHost.cs:665-671`,
-both to `RuntimeWorldTransitState.CanPlacePortalDestination`. Four test sites
-do not, which is fine.
-
-The residual is that a null default silently restores the round-1 defect, and
-nothing catches a future production site that forgets it — there is no
-architecture guard for this the way
-`RuntimePhysicsOwnershipTests.ProductionHostsUseSharedPlacementSubscriptionWithoutDirectChannel`
-guards the placement channel. With only 2 production + 4 test constructions,
-making the parameter required (tests pass `static _ => true`) converts a silent
-regression into a compile error for ~6 lines of churn. Same argument will apply
-to B1's commit observable.
-
-### B7 — `_placementCommitted` is checked once and never re-validated
-
-`LocalPlayerTeleportController.cs:557`. Round 1's Place handler ran
-`CanPlacePortalDestination` immediately before mutating; round 2 moved that
-check into `TryAdvancePortalCommit`'s **non-deferred** branch only
-(`:668-676`). Once `_placementCommitted` latches, the only guard before
-`_placement.Place()` / `ObserveMaterialized` is `IsCurrentLifetime`. If the
-reveal is cancelled between the commit and the Place event,
-`ObserveMaterialized` refuses (`IsCurrentPortalDestination`) but the
-presentation suffix has already run and the stream continues to
-`FireLoginComplete` with an unmaterialized reveal. Much less severe than B1 —
-the body genuinely is at the destination — but it is the same family. Cheap
-fix: keep the `CanPlacePortalDestination` re-check in the Place handler
-alongside `_placementCommitted`.
-
-### B8 — A8 (round 1) confirmed still open and confirmed non-blocking
-
-Five portal tests still call `ConvergePortalHost` as the last statement of the
-test body rather than in a `finally`, so an assertion failure is still masked
-by a `Dispose()` throw during unwinding. Correctly flagged rather than silently
-dropped. Test hygiene only — no production effect. It does mean that when B1's
-new tests are written, a genuine failure may again present as a teardown throw;
-fixing the `try/finally` first would save that debugging round.
-
-### B9 — round-1 A11/A12 unchanged
-
-`PhysicsDiagnostics.LocalTeleportHostKind` process-global (accepted);
-`AddSyntheticIndoorCell` geometry-free (accepted — and less load-bearing now
-that A6's position assertions are restored).
-
----
-
-## Closed since round 1
-
-| round-1 finding | status | evidence |
-|---|---|---|
-| **A4** — route facts unread, inversions hardcoded | **CLOSED** | `RuntimeAuthoritativePositionRoute.RunsTeleportHook:164` / `.ConstrainAfterRouting:170`; `ReconcileAndAcknowledgePortal` reads both; `CommitCanonicalTeleportFrame(bool zeroVelocity, bool rearmConstraintLeash)` branches on them. `ConstrainPhase.None` sabotage now fails `PortalCommitted_MovesBodyArmsLeashOnceCancelsAutorunAndSendsExactlyOneMovementEvent`'s stale-anchor assertion, as the contract's §8 item 11 intended. |
-| **A6** — superseded-teleport discriminator removed | **CLOSED** | `NewerStart_ReplacesOldDestinationWithoutReusingIt` asserts `Movement.Controller.Position.X/Y == 2` and the cell; `SameLandblockDestination_…` asserts `(20,30,4)` + `0x20210123`; the Z-vs-X/Y reasoning in the comment is sound. |
-| **A9** — two sequence sources | **CLOSED** | The authority now uses `destination.TeleportSequence`, with a `Debug.Assert` pinning it equal to the caller's copy. |
-| **A10(a)** — class doc claimed the suffix was the render entity's only mover | **CLOSED** | Doc rewritten to state the writes are redundant repeats of the canonical receipt's mutation, with the ordering cited. |
-| **A1** — refused Place did not stop the anim stream | **partially** — the mechanism is right (readiness inversion, sequencer untouched), and the `Contention` path is now correctly held and tested (`RefusedPlace_HoldsTheStreamAndConvergesOnlyAfterContentionClears`). **B1 reopens it for the `DeferredCell` path.** |
-| **A2** — no wake re-validation | **partially** — D-T2.4's re-validation now exists and is wired in both hosts and tested; **B2** shows it does not close the FIFO wedge. |
-| **A3** — headless discarded the status | **partially** — status now honoured, throws on `Rejected`/`NotApplicable` and on a missing drive, retryable pump added. **B1/B3 reopen it.** |
-| **A5** — presentation suite | **still open** — see B5 for the definite blocks/does-not-block answer. |
-| **A7** — dual-host parity | **CLOSED** | `HeadlessPortalPrepareDestinationParksThenCommitsOnCollisionGenerationWake` drives a real wired drive end to end and asserts body position, cell, and `PlayerState`. |
-| **A8** | open, non-blocking (B8). |
-| **A11 / A12** | unchanged (B9). |
-
-## Also verified this round
-
-- `_pendingDestination` lifetime — round-1 judgment stands, not re-litigated.
-- The sequencer's own invariants survive the late `worldReady`: `Tunnel` is
- explicitly a hold state (*"Hold here until worldReady"*), `TickTunnel` still
- runs on the hold path so `CurrentAnimationFrame` keeps advancing into
- `TunnelContinue`'s exit window, and `maxForce` at 5 s covers a stale frame.
- `worldReady` has exactly one consumer (`case TeleportAnimState.Tunnel`), so
- no other transition changed meaning.
-- No double-Begin headless: `TryCompletePortal`'s own
- `TryGetAcceptedTeleportDestination`/`TryBeginPortalReveal` prefix cannot
- succeed twice for one reveal (the destination slot is consumed), and
- `_awaitingPortalWake` suppresses a second concurrent `Begin` while parked.
- (The stale-latch problem is B3, a different failure.)
-- `_placementCommitted` / `_awaitingDeferredWake` are both cleared in
- `ResetTransit:931-932`, so the graphical latches do not survive a new F751,
- a session reset, or a generation reset.
-- Build green.
-
----
-
-## Summary
-
-| # | Severity | Finding |
-|---|---|---|
-| B1 | MAJOR | `PendingCount == 0` inferred as "committed" on both hosts; three non-committing paths clear it, including the drive's own documented modal outcome. Reintroduces A1 (graphical, now with a *successful* false materialization) and A3 (headless). Untested. |
-| B2 | MEDIUM | A2's re-validation gates the suffix, not the receipt; the FIFO wedge is narrowed (supersession/reset only) but not closed. |
-| B3 | MEDIUM | Headless `_awaitingPortalWake` is not reset per teleport; a stale latch can skip reveal N+1's placement attempt entirely. |
-| B4 | MEDIUM | Unbounded, undiagnosable retry loops on both hosts; headless has no cue, no bound, and no log. |
-| B5 | — | §8 8/9/10 presentation suite: **does not block**, subject to three stated conditions; required test spelled out. |
-| B6 | MINOR | Make `isPortalAuthorityCurrent` (and B1's commit observable) required constructor parameters. |
-| B7 | MINOR | `_placementCommitted` never re-validated before the presentation suffix. |
-| B8 | MINOR | A8 still open (5 tests), confirmed non-blocking. |
-| B9 | MINOR | A11/A12 unchanged. |
diff --git a/docs/research/2026-08-04-c4-route-3-architecture-review.md b/docs/research/2026-08-04-c4-route-3-architecture-review.md
deleted file mode 100644
index 1a9e2e90..00000000
--- a/docs/research/2026-08-04-c4-route-3-architecture-review.md
+++ /dev/null
@@ -1,550 +0,0 @@
-# C4 route 3 — architecture / adversarial review (2026-08-04)
-
-**Verdict: FAIL.**
-
-Reviewed: the uncommitted working-tree diff (`git diff HEAD` + untracked) on
-`claude/acdream-physics-divergence-5aa784` at HEAD **`cd3129e9`** (route 7's
-commit, "child cell propagation moves from a render tick into Runtime"). 16
-files, +1,573/-216.
-
-Reference documents read in full: the route-3 contract
-(`2026-08-04-c4-route-3-contract.md`), the route-3 scoping, the route-2
-contract, and the route-5/route-7 review defect classes.
-
-Independent verification performed against source, not against the
-implementer's summary: `RuntimeWorldTransitState`, `RuntimeSetPositionState`'s
-commit tail, `RuntimeEntityObjectEventStream`/
-`RuntimePlacementProjectionSubscription` (publication synchronicity),
-`RuntimePlacementPresentationSink` + `LiveEntityRuntime
-.TryApplyRuntimePlacementPlace`, `LocalPlayerShadowSynchronizer`,
-`LocalPlayerProjectionController`, `TeleportAnimSequencer`, and both hosts'
-`Advance()` pump sites. `dotnet build AcDream.slnx -c Debug` exits 0.
-
-**The `_pendingDestination` fix — the item flagged as highest risk — is
-correct, and is not the reason for the FAIL.** See §"Judgment on the
-`_pendingDestination` lifetime" at the end.
-
-The FAIL rests on A1 and A2: the slice adds five new ways for the Place edge
-to refuse, and the refusal path it hands them to does not stop the teleport
-animation stream. One of those five (`DeferredCell`) additionally commits the
-placement out of band after the transit has ended, which both splits the body
-from presentation and leaves a placement receipt nothing can consume — proof
-obligations **P3** (graphical half) and **P4** are undischarged, and D-T2.4's
-"the wake path must re-validate the portal authority before committing" is not
-implemented at all.
-
----
-
-## MAJOR
-
-### A1 — A refused canonical Place does not stop the teleport animation; the player is released into the world without ever having been placed
-
-**Severity: MAJOR (FAIL basis).**
-
-`src/AcDream.Core/World/TeleportAnimSequencer.cs:134-142`:
-
-```csharp
-case TeleportAnimState.Tunnel:
- if (worldReady)
- {
- evts.Add(TeleportAnimEvent.Place);
- Advance(TeleportAnimState.TunnelContinue, enterTunnel: false);
- _continueElapsed = 0f;
- }
- break;
-```
-
-`TeleportAnimEvent.Place` is emitted **exactly once**, and the sequencer
-advances to `TunnelContinue` in the same statement block, unconditionally and
-with no knowledge of whether the consumer's handler succeeded. There is no
-path back to `Tunnel`.
-
-`src/AcDream.App/Streaming/LocalPlayerTeleportController.cs:505-526`:
-
-```csharp
-case TeleportAnimEvent.Place:
- if (!_worldReveal.CanPlacePortalDestination(...)) return;
- if (!TryExecuteCanonicalPortalPlacement(sequence))
- return; // <- new in this slice
- ...
- _placement.Place(_pendingRotation);
- ...
- _worldReveal.ObserveMaterialized(...);
-```
-
-The `return` exits `Tick`, but the sequencer has already left `Tunnel`. Every
-subsequent `Tick` therefore runs the rest of the stream with **no placement
-and no materialization**:
-
-| next event | what runs |
-|---|---|
-| `TunnelContinue` → `TunnelFadeOut` | — |
-| `PlayExitSound` (`:532-542`) | `_worldReveal.RevealWorldViewport()` + `_presentation.ExitTunnel()` |
-| `FireLoginComplete` (`:543-554`) | `_mode.EnterWorld()`, `_session.SendLoginComplete()`, `_worldReveal.Complete()`, `ResetTransit(clearSession: false)` |
-
-`WorldRevealCoordinator.RevealWorldViewport` only needs a live host projection
-(`WorldRevealCoordinator.cs:258-266`) — present. `Complete()` reaches
-`RuntimeWorldTransitState.Complete` (`:701-706`), which hits
-`FailInvariant("portal-complete-before-materialized")` and returns `false`;
-`FailInvariant` (`:934-946`) only increments a counter and logs — it does not
-throw and does not stop the caller. `ResetTransit` then runs `EndTeleport()` +
-`_worldReveal.Cancel()`.
-
-**Concrete failure scenario.** A `Contention` outcome (route 2's force arm, a
-route-7 parent drive, or an earlier park still owns the entity's placement
-token at the Place edge) makes `TryExecuteAcceptedPortalArrival` return
-`Contention` at `RuntimeAcceptedPositionDriveController.cs:492-501`. The
-player watches the portal tunnel finish normally, the world viewport is
-revealed, `LoginComplete` is sent to ACE — and the player is standing at the
-**pre-teleport position** in the **pre-teleport cell**. ACE has them at the
-destination. Every subsequent server broadcast fights the client. Nothing in
-the client logs above `[world-reveal] event=invariant-failure` (a `SafeLog`
-line), and the D-T8 probe never emits because
-`ReconcileAndAcknowledgePortal` never ran.
-
-**Why this is the slice's problem and not inherited.** The pre-existing
-`CanPlacePortalDestination` early return (`:506-512`) has the same shape, but
-it fires only when the transit no longer owns this reveal — a case where
-marching on is at worst redundant, because a newer transit owns the world.
-This slice adds **five new refusal causes that all fire while the transit is
-perfectly healthy**: `host-token-unavailable`, `NotApplicable`, `Rejected`,
-`Contention`, and `DeferredCell` (`LocalPlayerTeleportController.cs:596-625`,
-which treats everything except `Committed` as a refusal at `:619`).
-
-**Contract obligations violated.** §4 item 4 ("on every refusal … the transit
-remains coherent … never a half-state … no path leaves the player permanently
-in portal space with a dead operation"); §4 item 5 ("a refused placement must
-NOT … `RevealWorldViewport`, must NOT advance the anim-event stream's terminal
-events"); D-T5's Begin-refusal row ("the anim stream stays where it is, so the
-NEXT Tick re-attempts the Place edge … if the Place anim event is one-shot,
-the re-attempt must be driven by the same Tick predicate that produced it, and
-THAT mechanism must be stated in the commit"); and proof obligation **P4**
-verbatim. P4 was to be discharged by reading `TeleportAnimSequencer`. It is
-one-shot. No re-attempt driver exists.
-
-**Fix direction.** Two shapes are available without touching the sequencer
-(stop condition 2 forbids sequencer timing changes):
-
-1. Make the Place edge idempotent-and-latched at the controller: keep a
- `_placementCommitted` flag; on a refusal, do NOT let the stream reach
- `PlayExitSound`/`FireLoginComplete` — gate those two cases on the latch and
- drive a bounded re-attempt from the same `ready` predicate that produced
- the Place event (the contract's stated fallback). A refusal that never
- converges must then take the existing transit cancellation
- (`ResetTransit(clearSession: false)` — which already cancels the reveal and
- restores presentation) rather than a silent world release.
-2. Or treat a refusal as an immediate transit cancellation and let the
- existing supersession path own recovery. Louder, smaller, and it satisfies
- D-T5's "never a silent wedge" — but it needs the user's eyes because it is
- user-visible (the portal fails and the player stays put) rather than a
- silent desync.
-
-Either way this needs a test: *refused arm → the anim stream does not reach
-`RevealWorldViewport`/`FireLoginComplete` with an unplaced body.*
-
----
-
-### A2 — A `DeferredCell` portal park splits the body from presentation and leaves a placement receipt nothing can consume (P3 undischarged on the graphical host; D-T2.4's re-validation missing)
-
-**Severity: MAJOR.**
-
-`RuntimeAcceptedPositionDriveController.SubmitAndResolvePortal:614-645` parks a
-`DeferredCell` outcome into `_pending` carrying the portal authority.
-`LocalPlayerTeleportController.TryExecuteCanonicalPortalPlacement:619` returns
-`false` for it, so A1's march runs: the stream reaches `FireLoginComplete`,
-`ResetTransit` calls `_transit.EndTeleport()` and `_worldReveal.Cancel()`.
-
-The park is still live. `Advance()` is pumped by the graphical host at
-`src/AcDream.App/Net/GraphicalSessionEventRoute.cs:117` and
-`src/AcDream.App/World/LiveEntityHydrationController.cs:416`. When the
-destination landblock's collision generation eventually commits:
-
-- `Advance:763-771` runs `ReconcileAndAcknowledgePortal` — the body moves, the
- leash re-arms, autorun cancels, and **one outbound movement event is sent** —
- seconds after the player was already released into the world at the old
- position. Presentation is never told: `_placement.Place` and
- `ObserveMaterialized` are unreachable (the anim event is one-shot, A1).
-- The commit publishes a `Place` receipt whose `Token.Portal` still names the
- ended reveal. `RuntimeWorldTransitState.IsCurrentPlacementAuthority:258-275`
- requires `IsCurrentPortalDestination` (`:870-882`), which requires
- `_teleportActive` — cleared by `EndTeleport` (`:547-556`). It returns false
- **forever**.
-- `RuntimePlacementPresentationSink.TryApply:100-106` therefore returns
- `false`; `RuntimePlacementProjectionSubscription.OnPlacement:134-136` leaves
- the receipt at the FIFO head. Every later placement receipt **for every
- entity** is blocked behind it, and `AcceptedPositionDrivePendingCount` never
- returns to zero, so `GameWindowLifetime.DisposeGameRuntime` throws on
- shutdown.
-
-That is precisely the failure mode P3 exists to rule out ("A receipt nothing
-can ever consume or retire is a FIFO wedge"). P3 was discharged only for the
-headless *happy path*; the graphical park was not walked.
-
-Independently, **D-T2.4's explicit requirement is not implemented**: "its wake
-path must re-validate the portal authority before committing". Neither
-`Advance`'s `AwaitingCommitWake` branch (`:763-771`) nor its
-`IsPlacementCurrent` re-submit branch (`:813-819`) re-checks the portal
-authority — they pass `pending.Portal` straight through.
-
-**Fix direction.** (a) Re-validate the portal authority at both wake points
-(`_entityObjects` has no transit handle today — the drive needs a
-`Func`-style currency predicate or the authority passed back through the
-transit owner); on failure take `AbandonPending`'s exact shape
-(`restoreCancelledPark: true` + `PublishCancellation`) so the park is retired
-rather than committed. (b) Independently, A1's fix must prevent the transit
-from ending while a portal park is outstanding.
-
----
-
-## MEDIUM
-
-### A3 — Headless discards the arm's status entirely; a failed placement is silent
-
-`src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs:768-780`:
-
-```csharp
-if (_acceptedPositionDrive is not null)
-{
- var authority = new RuntimePortalPlacementAuthority(...);
- _ = _acceptedPositionDrive.TryExecuteAcceptedPortalArrival(destination, authority);
-}
-```
-
-Two problems. First, the status is discarded: any non-`Committed` outcome
-leaves the body unmoved while `TryCompletePortal`
-(`RuntimeLiveEntitySessionController.cs:530-585`) proceeds through
-`AcknowledgeDestinationReadiness` → `AcknowledgePortalMaterialized` →
-`Complete` → `TerminalProjected` → `LoginComplete` → `EndTeleport` — asserting
-a materialization that did not happen (§4 item 5) and telling ACE the login
-completed. The deleted `ResynchronizeLocalPlayerForPortalArrival` was
-unconditional and could not fail this way. Second, the `is not null` guard
-means a composition regression that fails to wire the drive silently disables
-headless portal placement with no signal at all; the previous code had no such
-mode.
-
-**Fix direction.** Treat a non-`Committed` status as a hard failure on this
-path (`TryCompletePortal` already throws on every other Runtime refusal —
-match that), and make the drive a required constructor dependency for the
-production projection.
-
-### A4 — Both inversions are hardcoded; the classifier route facts that encode them are never read
-
-`ReconcileAndAcknowledgePortal(RuntimeEntityRecord, in RuntimeAuthoritativePositionRoute route, in RuntimePortalPlacementAuthority)`
-(`RuntimeAcceptedPositionDriveController.cs:667-698`) **never references
-`route`**. `PlayerMovementController.CommitCanonicalTeleportFrame:1987-2035`
-unconditionally zeroes velocity, runs `StopCompletelyAtPhysicsObjectBoundary`,
-`UnStick`/`UnConstrain`, and `RearmConstraintLeashAtCurrentPosition`.
-
-So `route.ZeroVelocity`, `route.ConstrainPhase`, and `route.TeleportHookPhase`
-are recorded-not-consumed, even though D-T2.3 pinned "`route.ZeroVelocity` is
-honored at the commit". The visible behaviour is correct today only because
-the classifier's LocalPlayer-teleport branch happens to agree with the
-hardcoded method.
-
-Consequence for test quality: the contract's own §8 item 11 sabotage —
-"hardcode the force route onto the portal arm (`ConstrainPhase.None`) → test
-5a fails" — **cannot fail**, because no code path reads `ConstrainPhase`. No
-test discriminates the classifier from the executor. A future classifier edit
-(the classifier is a shared surface routes 2/4b-2/4b-3 also consume) diverges
-from behaviour silently.
-
-**Fix direction.** Either consume the route facts in the frame commit (branch
-on `ZeroVelocity`/`ConstrainPhase`) and add the discriminating test, or delete
-the unused `route` parameter and state explicitly, in the class doc and in
-AD-2, that the inversions are enforced by `CommitCanonicalTeleportFrame` and
-NOT by the classifier — so the next reader does not trust a route fact that
-nothing reads.
-
-### A5 — Contract §8 item 8's committed-receipt presentation suite is missing; invariant 6's "the local-player collision shadow agrees" is asserted nowhere
-
-No test in this diff drives a committed portal placement through the **real**
-`RuntimePlacementPresentationSink` plus the suffix.
-`tests/AcDream.App.Tests/World/RuntimePlacementPresentationSinkTests.cs` is
-untouched; its only portal test
-(`PortalPlace_RequiresExactCurrentTransitHostAndSequence:467`) drives a
-synthetic token, not a local-player placement. The App teleport tests assert
-`harness.Placement.Called` against a *fake* placement.
-
-That missing suite would have surfaced the following latent inconsistency,
-which route 3 newly makes reachable on the portal path:
-
-- `RuntimePlacementPresentationSink.TryPublishPlace:226-232` writes
- `_localPlayerShadow.Set(entity.Position, entity.Rotation, record.FullCellId)`.
- `LocalPlayerShadowState.Set` updates **only the cache** — it never touches
- `PhysicsEngine.ShadowObjects`.
-- `LocalPlayerShadowSynchronizer.SyncPose:59-70` dedups against that same
- cache (`cellId` equal AND position within 1 cm AND orientation within
- tolerance ⇒ return without publishing).
-- `LocalPlayerProjectionController.Project:102` early-returns for
- `PlayerState.PortalSpace`, so the sink's cache write is the last word until
- the player re-enters the world.
-
-Net: the first post-arrival `SyncShadow` sees a cache that already claims the
-resolved pose and resolved cell, skips, and the player's collision shadow row
-is not published at the destination. It self-heals the first time the player
-moves more than ~1 cm, so the window is short — but during it, other entities
-have no collider for the player at the destination. (The shape is pre-existing
-from route 2's force arm, where `Project` runs every frame so the window is
-one frame; route 3's portal-space skip widens it.)
-
-**Fix direction.** Write the §8 item 8 suite. Independently, either have the
-suffix re-publish the shadow through `LocalPlayerShadowSynchronizer`
-(`force: true`) after writing the resolved entity pose, or stop the sink from
-writing a "last published" cache entry it did not publish.
-
-### A6 — The one test that discriminated *which* destination gets placed lost its discriminator
-
-`tests/AcDream.App.Tests/Streaming/LocalPlayerTeleportControllerTests.cs`,
-superseded-teleport scenario:
-
-```diff
-- Assert.Equal(new Vector3(2f), harness.Placement.Position);
-+ Assert.True(harness.Placement.Called);
-```
-
-The old assertion proved the **second** destination `(2,2,2)` was placed and
-not the first `(1,1,1)`. `Assert.True(Called)` cannot distinguish them. That is
-exactly the property the `_pendingDestination` caching change puts at risk
-(caching an Aim-time value instead of re-reading). Two sibling tests lose the
-same class of assertion, and one now contradicts its own name:
-`SameLandblockDestination_DoesNotRecenterAndKeepsTranslatedPosition` no longer
-asserts any position or cell.
-
-This is the route-5 "tests that assert only negatives"/weakened-successor
-defect class. The replacement assertion is **available**: the harness now owns
-a real Runtime `RuntimeLocalPlayerMovementState`, so
-`Assert.Equal(expected, movement.Controller!.Position)` and `.CellId` are
-reachable; the harness simply does not expose `movement`.
-
-**Fix direction.** Expose the Runtime controller on the harness and restore a
-positive position/cell assertion in each of the three tests, at minimum in the
-superseded-teleport one.
-
-### A7 — Dual-host parity (§8 item 6) is not met; the headless flip is untested
-
-`tests/AcDream.Headless.Tests/HeadlessSessionHostTests.cs:413-424` now
-documents that the fixture's projection is built without a drive controller,
-so "the canonical portal arm this method now calls is a no-op here by
-construction", and defers the headless committed-portal test as "an open item,
-not attempted here given this session's time budget".
-
-The contract states plainly: "The headless arm reuses the identical Runtime
-entry — dual-host parity is a test obligation, not an aspiration (§8)."
-Combined with A3, the entire headless production placement flip — the deletion
-of `ResynchronizeLocalPlayerForPortalArrival`, the new `portal` parameter, the
-new call — has zero behavioural coverage. The only surviving assertion change
-is `CenterCount` 3→2.
-
----
-
-## MINOR
-
-### A8 — Portal-test cleanup runs at the end of the test body, so the first assertion failure is masked by a teardown throw
-
-`ConvergePortalHost` is invoked as the last statement of each portal test
-(`RuntimeAcceptedPositionDriveControllerTests.cs:1273/1380/1423/1519`). If any
-earlier `Assert` throws, cleanup is skipped, `StartedRuntime.Dispose()` throws
-during unwinding, and C# `using`/`try…finally` lets the finally-exception
-**replace** the in-flight one.
-
-The implementer diagnosed their own instance of this correctly (claim 1 —
-verified: the mechanism is real and the two corrected assertions were genuine
-test bugs, since an accepted `TeleportAdvanced` merge rebases the world frame
-onto the destination per #283, and `ReconcileAndAcknowledgePortal` does
-legitimately send one movement event). But the pattern remains in the shipped
-tests, and it is exactly how a genuine host-projection leak would also present
-— which is why it is worth removing rather than remembering.
-
-**Fix direction.** `try { … } finally { ConvergePortalHost(…); }`, or make
-`StartedRuntime.Dispose` record non-convergence and assert it explicitly.
-
-`ConvergePortalHost` itself is otherwise sound: it cannot double-release —
-`AcknowledgeHostProjection`'s `TerminalProjected` branch removes the record
-(`RuntimeWorldTransitState.cs:343-355`) and a second call returns false — and
-it cannot leak, because a forgotten call throws at Dispose.
-
-### A9 — Two sources for one teleport sequence
-
-`LocalPlayerTeleportController.cs:613` builds the authority's
-`TeleportSequence` from `_transit.ActiveTeleportSequence` (passed in as
-`sequence`), while `ClassifyPortalArrival`
-(`RuntimeAcceptedPositionDriveController.cs:514-535`) derives its
-accepted/prior pair from `destination.TeleportSequence`. They agree today —
-`OfferTeleportDestination:490-497` refuses a second destination for an
-already-accepted active sequence — but two sources for one fact is the
-campaign's "mapping written against one caller's reachable set" shape.
-
-**Fix direction.** Use `destination.TeleportSequence` in both, or assert
-equality at the producer.
-
-### A10 — Two documentation statements assert behaviour the code does not have
-
-(a) The new class doc on `LocalPlayerTeleportPlacement`
-(`LocalPlayerTeleportController.cs:188-193`) says the sink "snapshots whatever
-the entity already holds and writes no pose itself — this is the render
-entity's mover". `TryPublishPlace` writes no pose, but the sink's own upstream
-call chain does: `RuntimePlacementPresentationSink.TryApply:108` →
-`LiveEntityRuntime.TryApplyRuntimePlacementProjection:1301` →
-`TryApplyRuntimePlacementPlace:1386-1420`, which performs
-`entity.SetPosition(projection.WorldPosition)`, `entity.Rotation = …`,
-`entity.ParentCellId = token.ExactCellId`, **and** `RebucketLiveEntity` — all
-before `TryPublishPlace` snapshots. The suffix's entity writes and rebucket are
-therefore redundant repeats of a mutation the canonical receipt already made.
-
-This is harmless at runtime today, but it is the "a doc asserting behaviour
-the code does not have" class — and the contract carries the same misreading
-(§3.4, D-T4, §12.5(b)), so correcting the code comment alone is not enough.
-
-(b) The plan correction in `docs/plans/2026-08-02-placement-cutover.md` says
-"`RuntimeAcceptedPositionDriveController`'s portal arm reading it — was
-already live before route 3 (from route 2's shared drive controller)". The
-portal arm was added by **this** slice. A correction that itself asserts a
-false fact is worse than the line it corrects.
-
-### A11 — `PhysicsDiagnostics.LocalTeleportHostKind` is a process-global mutable set from a host
-
-`src/AcDream.Core/Physics/PhysicsDiagnostics.cs` + `HeadlessSessionHost.cs:625`.
-Correct under K3/K4 (all sessions in a headless process are headless), and the
-doc comment says so — noted only so it is not later mistaken for per-session
-state. No action required this slice.
-
-### A12 — `AddSyntheticIndoorCell` is representative enough to pass the gate, and no more
-
-The helper registers a `CellPhysics` with an empty `Resolved` polygon
-dictionary, one `PortalInfo(0,0,0)`, and a leaf-only BSP root. It is not shaped
-to make a specific assertion pass — it mirrors
-`RuntimeSetPositionStateTests.AddSyntheticCell` and its only effect is to make
-`PhysicsEngine.IsSpawnCellReady` return true for an indoor cell, which is a
-genuine fixture gap (a bare `AddLandblock` passes an empty `CellSurface` list,
-so indoor destinations parked `DeferredCell` forever). Accepted.
-
-The caveat: because the destination cell has no geometry, the App-layer tests
-prove "the arm returned `Committed`", not "the destination resolved somewhere
-sane". That makes A6's missing position assertions more load-bearing, not
-less.
-
----
-
-## Verified correct (checked against source, not taken on report)
-
-- **P1 (the D-T3 duty map).** `RuntimeSetPositionState.cs:5036-5058` calls
- `PhysicsObjUpdate.CommitSetPositionContactTransition` unconditionally inside
- the canonical commit, and `CommitSetPositionContactPrefix`
- (`PhysicsObjUpdate.cs:153-175`) derives `Contact`/`OnWalkable`/
- `WaterContact` from the placement result's own `InContact`/`OnWalkable`. Not
- re-seeding `TransientState` in `CommitCanonicalTeleportFrame` is correct and
- is more faithful than `SetPositionCore`'s unconditional
- `Contact|OnWalkable|Active` overwrite, exactly as claimed.
-- **P3, happy path, both hosts.** `RuntimeEntityObjectEventStream
- .PublishPlacement:164-171` → `EnqueueAndDrain` →
- `RuntimePlacementProjectionSubscription.OnPlacement:122-150` is
- **synchronous**, inside `CommitCanonical`. Headless's placement therefore
- commits and its receipt is consumed inside `PrepareDestination`, strictly
- before `AcknowledgePortalMaterialized`/`Complete`/`EndTeleport`. The
- receipt-past-`EndTeleport` hazard is discharged for the committed path. (The
- residual is A2's park.)
-- **Trap T7 / route-2 blast radius.** No portal pending reaches
- `SettlePending` or `_newestForce`: the three `pending.Portal.Present` guards
- at `:763`, `:794`, and `:820` fence every terminal path, and
- `SubmitAndResolvePortal` is a genuine sibling of `SubmitAndResolve` rather
- than an overload of it. `git diff` shows **zero** expectation changes in any
- force-arm test — the contract's §4 item 8 tripwire is clean.
-- **Implementer claim 1 (the teardown throw was a test bug).** Mechanism
- verified. Both corrected assertions were genuinely wrong for the stated
- reasons, and the `using`-finally exception-replacement is real. See A8 for
- the residual.
-- **Sabotage B's asymmetry.** Verified structurally:
- `PortalProducerInvalidAuthority_ArmDoesNotRunAndNothingMutates` builds an
- authority with `RevealGeneration: 0`, which fails
- `RuntimePortalPlacementAuthority.IsValid` at
- `TryExecuteAcceptedPortalArrival:459` — **before** `ClassifyPortalArrival` is
- reached. Forcing the classifier to reject cannot change that test's outcome,
- so the 4-of-5 asymmetry is exactly what the code shape predicts. Good
- evidence.
-- **Register bookkeeping.** AD-42's deletion is justified (its last citation
- was D2's two-call `Resolve`+`ResolvePlacement`, which is gone); AD-2's
- amendment states the deferred-place adaptation, the T8 tolerance, and the
- leash-anchor nuance as D-T9 required; the `:2276` stale comment correction
- landed; the 2026-07-16 pseudocode `enter_world` correction landed. Row count
- 49→48 is consistent.
-- **Build.** `dotnet build AcDream.slnx -c Debug` exit 0 at the reviewed tree.
-
----
-
-## Judgment on the `_pendingDestination` lifetime
-
-**The cached destination's lifetime is correct. I found no way to Place
-against a superseded destination, and the Place-time re-read it replaced
-protected against nothing.**
-
-The reasoning, checked against source:
-
-1. **The bug was real and total.** `RuntimeWorldTransitState
- .TryBeginPortalReveal:159-183` clears `_hasAcceptedDestination` and
- `_acceptedDestination` at `:180-181` on success.
- `TryGetAcceptedTeleportDestination:522-527` returns `_teleportActive &&
- _hasAcceptedDestination`. Since `AimDestination` drives
- `TryBeginPortalReveal` through `WorldRevealCoordinator.TryBeginPortal`
- (`:742`), the slot is empty at every Place edge. The old re-read could
- never succeed — every real portal placement would have refused with
- `cause=host-token-unavailable`. Not a stale-destination guard; a hard
- failure.
-
-2. **Write/clear is in exact lockstep with `_pendingCell`.**
- `_pendingRotation`/`_pendingCell`/`_pendingDestination`/
- `_hasPendingDestination` are written together at `:780-783` and cleared
- together at `:801-805` in `ResetTransit`. `_pendingCell != 0u` is itself the
- `haveDestination` predicate (`:481`), so the two cannot diverge.
- `_pendingDestination.Position.ObjCellId` **is** `_pendingCell` by
- construction (`Position position = destination.Position;` at `:715`).
-
-3. **A second Aim cannot produce a mismatched pair.** Supersession by a new
- F751 goes through `OnTeleportStarted` → `ResetTransit(clearSession: false)`,
- which clears all four fields and bumps `_lifetimeGeneration`. Supersession
- by a second destination on the *same* sequence is impossible:
- `OfferTeleportDestination:490-497` returns `false` once `_destinationAccepted`
- is set, and `TryBeginPortalReveal` clears only `_hasAcceptedDestination`,
- leaving `_destinationAccepted` latched for the life of the reveal. So the
- destination is pinned from Aim to terminal, by the transit itself.
-
-4. **The one torn window fails closed.** `_pendingRevealGeneration` is written
- at `:749`, before the `IsCurrentLifetime`/recenter guards at `:750`,
- `:757`, `:764`, while the other three are written at `:780-783`. A `false`
- return from any of those guards leaves a NEW generation paired with an OLD
- cell/destination. Both Place-edge gates then refuse:
- `CanPlacePortalDestination(newGen, seq, oldCell)` fails
- `IsCurrentPortalDestination`'s `destinationCell == _snapshot.DestinationCell`
- check, and `TryRegisterHostProjection(newGen, oldCell)` fails the same
- comparison at `RuntimeWorldTransitState.cs:197-209`. Neither can commit a
- stale pair. (This tearing predates the slice — `_pendingCell` already had
- it; `_pendingDestination` does not worsen it.)
-
-5. **Terminal clearing.** Commit → `FireLoginComplete` → `ResetTransit`.
- Session reset / generation reset → `ResetSession` / `ResetGenerationPresentation`
- → `ResetTransit`. Cancellation through `ResetTransit(clearSession: false)`.
- A *refused* Place leaves the fields set — but so does `_pendingCell`, and
- both Place-edge gates are keyed on the reveal generation, so a retained
- value is inert until a new Aim overwrites it or a reset clears it.
-
-The one thing the caching genuinely costs is test coverage, not correctness:
-A6 removed the only assertion that could have distinguished a stale cached
-destination from a fresh one. Restore it.
-
----
-
-## Summary
-
-| # | Severity | Finding |
-|---|---|---|
-| A1 | MAJOR | Refused Place does not stop the anim stream; player released into the world unplaced. P4 undischarged. |
-| A2 | MAJOR | `DeferredCell` park commits after `EndTeleport`: body/presentation split + unconsumable Place receipt (P3 graphical half, D-T2.4 re-validation missing). |
-| A3 | MEDIUM | Headless discards the arm's status; `is not null` guard silently disables placement. |
-| A4 | MEDIUM | `route.ZeroVelocity`/`ConstrainPhase`/`TeleportHookPhase` never read; inversions hardcoded; contract sabotage 3 cannot fail. |
-| A5 | MEDIUM | §8 item 8 presentation suite missing; local-player shadow invariant unasserted, and a real cache/publish desync sits behind it. |
-| A6 | MEDIUM | Superseded-teleport test lost its destination discriminator; two sibling tests weakened, one now contradicts its name. |
-| A7 | MEDIUM | Dual-host parity test obligation (§8 item 6) not met; headless flip untested. |
-| A8 | MINOR | Portal-test cleanup outside `finally` masks the first failure behind a Dispose throw. |
-| A9 | MINOR | Two sources for the teleport sequence (transit vs destination). |
-| A10 | MINOR | Class doc and plan correction each assert behaviour the code does not have. |
-| A11 | MINOR | Process-global `LocalTeleportHostKind` (accepted, noted). |
-| A12 | MINOR | Synthetic indoor cell is geometry-free — fine as a gate, weak as a placement oracle. |
diff --git a/docs/research/2026-08-04-c4-route-3-contract.md b/docs/research/2026-08-04-c4-route-3-contract.md
deleted file mode 100644
index b3f73970..00000000
--- a/docs/research/2026-08-04-c4-route-3-contract.md
+++ /dev/null
@@ -1,840 +0,0 @@
-# C4 route 3 — portal / local-player placement: pinned contract (2026-08-04)
-
-**Scope:** make the local player's portal arrival canonical — construct the
-first production `RuntimePortalPlacementAuthority` producer, execute the
-deferred portal Place through a portal arm on route 2's
-`RuntimeAcceptedPositionDriveController` over the one Runtime SetPosition
-owner, re-home the controller-local teleport suffix, and delete the two
-surviving duplicate placement authorities (`LocalPlayerTeleportPlacement.Place`
-in App, `ResynchronizeLocalPlayerForPortalArrival` in Headless).
-
-**Route 3 is NOT a bug fix.** Portalling works and is user-accepted; this
-route changes WHO commits the arrival, never when the player sees it. This is
-the LAST C4 route.
-
-Pinned at HEAD **`ca96ea5e`**, branch `claude/acdream-physics-divergence-5aa784`.
-**Line numbers are as-of `ca96ea5e` and WILL go stale; every citation also
-names the symbol — trust the symbol** (process rule 6).
-
-**SEQUENCING BLOCKER — route 7 is concurrently in flight in this same
-worktree.** Its uncommitted diff modifies `RuntimeSetPositionState.cs`,
-`RuntimeAuthoritativePositionRouteClassifier.cs`,
-`RuntimeLiveEntitySessionController.cs`, `RuntimeEntityObjectLifetime.cs`, and
-`LiveEntityRuntime.cs` — five of route 3's surfaces. **Route 3 implementation
-must not begin until route 7's commit lands.** First implementation step:
-re-verify §3's site inventory against the post-route-7 HEAD (symbols, not
-lines) and re-measure the Release baseline. Nothing in route 7's design
-conflicts with this contract (it adds parent-cell propagation and a headless
-parent-realize drive; it does not touch the portal transit, the drive
-controller, or either duplicate authority) — the collision is textual, not
-semantic.
-
-Predecessor documents, binding where they still apply:
-
-- [`2026-08-04-c4-route-3-scoping.md`](2026-08-04-c4-route-3-scoping.md) —
- the research base (committed at `ca96ea5e`). Its §1–§5 findings, §10 trap
- list, and §12 open gaps are folded in below, re-verified at HEAD. Its
- correction of the campaign plan ("only the producer is missing") stands.
-- [`2026-08-03-c4-route-2-contract.md`](2026-08-03-c4-route-2-contract.md) —
- route 2 owns the seam this route extends. Its pins survive untouched:
- ack-after-commit, `SendPositionImmediately` as a route property, the
- ForcePosition no-re-arm rule (which INVERTS here — §4), and the #283
- world-frame invariant.
-- [`2026-08-04-c4-route-4b-3-contract.md`](2026-08-04-c4-route-4b-3-contract.md)
- — its 13 "must REMAIN true" invariants bind wherever the shared placement
- machinery is concerned; its hook-BEFORE-placement rule INVERTS here (§4).
-- The route-5 contract + its three review rounds — the defect classes this
- contract addresses by name: *an invariant satisfied on one arm only*
- (R3/B1/B2), *a mapping written against one caller's reachable set* (A2),
- *a register row asserting behaviour the code does not have* (AP-141 risk
- column), *a retail action skipped with the faithful port in-tree* (R2/A3),
- *tests that assert only negatives* (B1 round-2), *presentation written on
- outcomes Runtime declined to publish* (A1).
-- [`2026-08-04-session-handoff-c4-remaining.md`](2026-08-04-session-handoff-c4-remaining.md)
- — the six process rules apply verbatim. Note: its "#280 rides with route 3"
- is OVERRIDDEN by this contract (§12 item 1; the scoping's §7 argument).
-
----
-
-## 0. Facts settled before this contract — do not re-derive
-
-1. **Only the PRODUCER is missing.** The portal authority's
- consumption/validation side is live production code at three layers and
- runs (with an empty portal) for every placement in the game:
- `RuntimeWorldTransitState.IsCurrentPlacementAuthority` (`:258-275`),
- `RuntimePlacementPresentationSink.TryApply` (`:100-106`),
- `HeadlessRuntimePlacementProjectionSink.TryApply` (`:100-110` +
- `HasValidPortalShape:112-121`), `LiveEntityRuntime.IsValidPortalPlacementAuthority`,
- and `BeginAcceptedPlacementCore`'s portal gate
- (`RuntimeSetPositionState.cs:1528-1534`). The authority is threaded through
- command, mover preparation, operation, and projection token already. Grep
- confirms zero `Present: true` constructions in `src/`.
-2. **The surviving duplicates are exactly two**: `LocalPlayerTeleportPlacement.Place`
- (`src/AcDream.App/Streaming/LocalPlayerTeleportController.cs:214-278`) and
- `HeadlessSessionWorldProjection.ResynchronizeLocalPlayerForPortalArrival`
- (`src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs:788-836`,
- self-marked "TODO-C4 (route 3)").
-3. **Retail's local portal arrival is the GENERIC path** — the third route
- in a row: `SmartBox::TeleportPlayer` @0x00453910 is
- `CPhysicsObj::SetPositionSimple(player, dest, 1)` (flags 0x1012, route 2's
- exact primitive) + `SmartBox::PlayerPositionUpdated(this, 1, FLT_MAX)`.
- There is no dedicated portal placement path to port; the work is wiring,
- ordering, and the post-placement suffix.
-4. **The classifier's LocalPlayer+TeleportAdvanced route is fully modeled and
- steady-state dead** (`RuntimeAuthoritativePositionRouteClassifier.cs:336-356`
- at HEAD — the scoping's `:349-368` shifted under route 7's working diff):
- `SetPositionSimple` + `AuthoritativeTeleportFlags` +
- `TeleportHookPhase.AfterPositionOperation` +
- `ConstrainPhase.AfterPositionOperation` + `ZeroVelocity: true` +
- `SendPositionImmediately: false` + `PreserveHeading: false` +
- `UnparentBeforeRouting: true` + `ApplyPlacementFrameBeforeRouting:
- !HasAnimations`. It already encodes BOTH inversions (§4). Route 3 consumes
- this route; it does not invent a parallel one, and the classifier body does
- not change.
-5. **#280 is SPLIT OUT** (scoping §7; campaign plan item 3). Not planned here,
- not gated here. Route 3 keeps the Place gated on the SAME `ready` predicate
- in `LocalPlayerTeleportController.Tick:489-493`, whatever radius that
- predicate uses.
-6. **The deferred-Place timing is the accepted architecture** (J6/E5,
- user-gated repeatedly): retail places immediately on the accepted
- destination Position and blocks SIMULATION on DAT prefetch behind the
- portal viewport; acdream holds the PLACEMENT until reveal-readiness. Route
- 3 changes the executor of the Place, never its timing (trap T3). §7's
- register work records this.
-
----
-
-## 1. Retail ground truth (verified in `acclient_2013_pseudo_c.txt` at scoping `cff52c44`; the `PlayerTeleported` body byte-listed for this contract; re-verify at implementation)
-
-| claim | address | status |
-|---|---|---|
-| F751 (`SmartBox::HandlePlayerTeleport`) writes exactly three flags — `position_update_complete = 0`, `has_been_teleported = 0`, `waiting_for_teleport = 1` — after a wrap-safe TELEPORT_TS check. No position, no cell, no physics. | @0x00452150 (writes @0x00452193-0x004521A7) | ✓ scoping |
-| `HandleReceivedPosition`'s LOCAL teleport branch (`newer_event(TELEPORT_TS)` @0x0045415F): `TeleportPlayer` @0x00454168 → **`ConstrainTo(player, &var_48 /* WIRE destination */, start, max)` @0x0045418A** → **`set_velocity(player, 0, 1)` @0x004541B4** → return. | @0x00453FD0 | ✓ scoping |
-| `SmartBox::TeleportPlayer` = `SetPositionSimple(player, dest, 1)` @0x00453924 + `PlayerPositionUpdated(this, 1, FLT_MAX)` @0x00453932. `SetPositionSimple(…,1)` builds flags **0x1012** → generic `CPhysicsObj::SetPosition`. | @0x00453910 / @0x005162B0 | ✓ scoping |
-| `PlayerPositionUpdated` teleport arm, AFTER the placement: `position_update_complete = 0`, **`waiting_for_teleport = 0` (the wait ends at PLACEMENT, not reveal)**, `has_been_teleported = 0`, **`teleport_hook(player)` @0x004538AE**, `cmdinterp->PlayerTeleported()` @0x004538B3, `set_viewer(&player->m_position, 1)` (camera reset), `LScape::update_viewpoint(0)`, blocking `CellManager::ChangePosition`. | @0x00453870 | ✓ scoping |
-| **`CommandInterpreter::PlayerTeleported` @0x006B32B0 is exactly `SetAutoRun(0, 1)` then a tail-jump to `SendMovementEvent`.** | pseudo-C 699036-699042 | ✓ **byte-listed for this contract** |
-| The local hook ordering FLIPS vs the remote route: local runs `teleport_hook` @0x00514ED0 AFTER `SetPositionSimple` returns (from `PlayerPositionUpdated`); the remote branch runs it BEFORE `SetPosition` (@0x005163EF). The hook `UnConstrain`s @0x00514F0C and `HandleReceivedPosition` re-arms @0x0045418A afterwards, so the leash survives. | | ✓ scoping |
-| **`CPhysicsObj::enter_world` @0x00516170 is NOT on the portal path** — its local-player caller is the initial-login path only (@0x00455095). Portal arrival never re-runs `enter_world`/`HandleEnterWorld`; the cell install happens inside `SetPosition` itself. | caller sweep | ✓ scoping (agent-verified) |
-| The FORCE_POSITION branch returns @0x0045409D before every `ConstrainTo` — route 2's no-re-arm finding reconfirmed. The TELEPORT branch DOES arm and DOES zero velocity. | | ✓ scoping |
-| Retail places IMMEDIATELY on the accepted destination and blocks simulation on prefetch (`blocking_for_cells`; `SmartBox::UseTime` @0x00455410 runs only `CheckPrefetchStatus`) behind the portal viewport. acdream defers the PLACE to reveal-readiness — the accepted architecture (fact 6). | @0x004559B0 / @0x00455820 | ✓ scoping |
-
-Unverified residuals, none load-bearing (state, do not resolve): the exact
-second argument of `teleport_hook` @0x004538AE (decompiler-elided, almost
-certainly 1); `CheckPrefetchStatus`'s apparent 5 s re-check throttle (#280's
-territory); where the 0x1012 flag bits are consumed below
-`SetPositionInternal`.
-
----
-
-## 2. THE TWO INVERSIONS — read this before anything else
-
-An implementer arriving from routes 2 and 4b-3 carries two rules that are
-**exactly wrong** on this route. Both are already encoded in the classifier's
-LocalPlayer-teleport branch (fact 0.4) — **consume that route; do not
-re-derive either rule from the neighboring routes' docs.**
-
-### Inversion A — route 2's "never re-arm the leash" flips
-
-Route 2 pinned (and its seam's class doc at
-`RuntimeAcceptedPositionDriveController.cs:127-132` states) that the
-constraint leash is NOT re-armed, because the FORCE_POSITION branch returns
-@0x0045409D before every `ConstrainTo`. The local TELEPORT branch is the
-opposite: retail arms `ConstrainTo` @0x0045418A — anchored at the **received
-wire destination** (`&var_48`), not the resolved body position — AND zeroes
-velocity @0x004541B4. The classifier carries both
-(`ConstrainPhase.AfterPositionOperation`, `ZeroVelocity: true`).
-
-An implementer who generalizes the force arm's doc comment to the portal arm
-ships a leash-less teleport (the 4b-3 A1 defect class: the ABSENCE of a
-re-anchor where one should exist). Also inverted versus route 2:
-`SendPositionImmediately` is **false** (retail's teleport branch returns
-without `SendPositionEvent`; the outbound tail is `SendMovementEvent` +
-LoginComplete — §5 D-T4/T11) and `PreserveHeading` is **false** (the wire
-orientation applies).
-
-Note the anchor nuance: today's `RearmConstraintLeashAtCurrentPosition`
-(`PlayerMovementController.cs:1834-1843`) anchors at `_body.CellPosition` —
-the RESOLVED post-placement position — where retail anchors at the wire
-destination. For a committed portal placement the two differ by at most the
-placement adjustment (ring search/floor snap). Keep the existing shipped
-anchor (the resolved position) and note it in the AD-2 amendment (§7): it is
-the Campaign-P-accepted behaviour of `SetPositionCore`, the delta is
-centimeters, and the leash anchor is write-only in the port (route-5 round-3
-C1). Do NOT silently switch anchors in this slice.
-
-### Inversion B — 4b-3's "hook before placement" flips
-
-4b-3's remote arm runs `teleport_hook` BEFORE the placement (@0x005163EF
-before @0x00516420). The LOCAL route runs it AFTER: `teleport_hook` fires
-from `PlayerPositionUpdated` @0x004538AE, after `SetPositionSimple` has
-returned. The classifier carries the flip
-(`TeleportHookPhase.AfterPositionOperation` local vs
-`BeforePositionOperation` remote). Copying 4b-3's hook-first shape onto the
-local arm is retail-wrong.
-
-Also: the local "hook + suffix" is not `RemoteTeleportHook`. Its live
-actions for the local player are the controller-local UnStick/UnConstrain
-(then the Inversion-A re-arm), `NotifyTeleported()` (the TargetManager pair),
-the `PlayerTeleported` port (autorun cancel + movement event — §5 D-T4), and
-the camera/viewpoint resets. All of these run at or after the committed
-placement, never before it.
-
----
-
-## 3. Site inventory — re-verified at `ca96ea5e`
-
-Sites marked **[R7-flux]** sit in files route 7's uncommitted diff modifies;
-re-verify their line numbers (symbols hold) after route 7 lands.
-
-### 3.1 The duplicate authorities to delete
-
-| # | site (symbol) | at HEAD | what it does today |
-|---|---|---|---|
-| D1 | `LocalPlayerTeleportPlacement.Place` | `LocalPlayerTeleportController.cs:214-278` (class `:183-290`, interface `ILocalPlayerTeleportPlacement:174-181`) | `_physics.Resolve(pos, cell, 0, StepUpHeight)` `:219` → `controller.SetPosition` `:230` (runs the whole `SetPositionCore` tail, §3.4) → direct `entity.SetPosition/ParentCellId/Rotation` `:242-244` → `RebucketLiveEntity` (throws on failure) `:254` → `_host.Host?.NotifyTeleported()` `:264` → `SetBodyOrientation` `:265` → camera resets `:267-268` → `_spatial.Reconcile()` `:269` → probe/log. No Runtime transaction, no receipt, no portal authority. ~55 non-comment lines. |
-| D2 | `HeadlessSessionWorldProjection.ResynchronizeLocalPlayerForPortalArrival` | `HeadlessSessionWorldProjection.cs:788-836` (doc `:779-787`) | `CenterOn` → `Engine.Resolve(wire, lb, 0, 100f)` → `Engine.ResolvePlacement(0.48f/1.835f, IsPlayer\|EdgeSlide)` → `controller.SetPosition` → `SetBodyOrientation`. Called from `PrepareDestination:761`. ~40 non-comment lines. AD-42's last surviving citation. |
-
-### 3.2 The graphical drive (kept; rewired at the Place edge)
-
-| site | at HEAD | note |
-|---|---|---|
-| `LocalPlayerTeleportController` drive | `:385-789`; Place edge `Tick:509-533` | `ready` = destination + `!IsRecenterPending` + `_worldReveal.Evaluate(cell).IsReady` (`:489-493`); on `TeleportAnimEvent.Place`: `CanPlacePortalDestination` preflight `:514` → `_placement.Place(_pendingPosition, _pendingCell, _pendingRotation)` `:521` → `ObserveMaterialized` `:527` (a rubber-stamp AFTER the mutation — the structural defect this route retires). `PlayExitSound` → `RevealWorldViewport`; `FireLoginComplete` → `EnterWorld` + `SendLoginComplete` + `Complete` + `ResetTransit`. `_pendingPosition` is an App-frame-translated vector (`:401`) — dies with D1 (trap T4). |
-| destination offer | `LiveEntityNetworkUpdateController.cs:2950-2957` | Last statement of `OnPosition` for a local `Apply`: `OfferDestination(FromAcceptedPosition(update), timestamps.TeleportAdvanced)`. Unchanged. |
-| `WorldRevealCoordinator` | `WorldRevealCoordinator.cs`; `_hostProjections` private (`:40-62`); `TryBeginPortal:117-149` registers the host token | The producer does NOT need new exposure here — §5 D-T1 pins re-derivation through the transit owner. |
-| local generic render-pose write | `LiveEntityNetworkUpdateController.cs:2284-2314`; stale comment `:2276-2277` | **Verified live at HEAD**: for the local player `earlyRemoteRoute` is null (`:2167-2175`), `OwnsSteadyState(null)` is false (`RuntimeRemoteSteadyStatePosition.cs:71-72` — both pattern-matches fail on null), so every accepted local Apply — including the portal destination Position — writes the raw wire pose onto the local player's `WorldEntity` AND rebuckets to the wire landblock while portal space covers the viewport. The comment "The local player never reaches this generic-remote code path at all" is FALSE. §5 D-T8 pins the handling. |
-
-### 3.3 The headless portal flow **[R7-flux]**
-
-`RuntimeLiveEntitySessionController.TryCompletePortal` (`:421-510` at HEAD;
-route 7 added parent-drive methods above it): `TryGetAcceptedTeleportDestination`
-→ `TryBeginPortalReveal` → `TryRegisterHostProjection` → ack
-`ProjectionRegistered` → **`PrepareDestination(generation, destination)`**
-`:450` (D2 runs here, plus `PlayerState.InWorld` and the readiness report) →
-`AcknowledgeDestinationReadiness` → `AcknowledgePortalMaterialized` → ack
-`SimulationReleaseProjected` → `RequireDestinationReservationRelease` → ack
-`DestinationReservationReleased` → `AcknowledgeWorldViewportVisible` +
-`Complete` → ack `TerminalProjected` → `SendGameAction(LoginComplete)` →
-`EndTeleport`. **The whole suffix is synchronous in one call** — see §5 D-T7
-for the ordering consequence.
-
-### 3.4 Runtime surfaces this route builds against
-
-| site | at HEAD | relevance |
-|---|---|---|
-| `RuntimePortalPlacementAuthority` | `RuntimeSetPositionState.cs:105-119` **[R7-flux]** | `(bool Present, long RevealGeneration, ushort TeleportSequence, RuntimeWorldHostProjectionToken Projection)` with `IsEmpty`/`IsValid`. **The shape is RIGHT — no change.** It is exactly the tuple `RuntimeWorldTransitState` owns per reveal; `IsValid` already requires `Projection.Generation == RevealGeneration`. |
-| Begin/Submit portal plumbing | `TryBeginExclusiveAuthoredPlacement:1444-1472` (portal param `:1448`); `BeginAcceptedPlacementCore` portal gate `:1528-1534`; `TryPrepareAndSubmitAuthoredPlacement` portal params `:1826/:1886` **[R7-flux]** | Begin refuses a non-empty portal unless `portal.IsValid && kind is LocalAuthoritative && portal.Projection.DestinationCell == (record.Snapshot.Physics?.Position ?? record.Snapshot.Position).LandblockId` — the LATEST merged Position. Transit pins the FIRST accepted destination per generation (J6.3). The mismatch edge is trap T5 / D-T5. |
-| `RuntimeWorldTransitState` | `IsTeleportActive:96`, `ActiveTeleportSequence:97-98`, `TryRegisterHostProjection:189-231` (**idempotent for same generation+cell; refuses mismatch/cancelled/completed**), `IsCurrentPlacementAuthority:258-275`, `TryGetAcceptedTeleportDestination:522-527`, `CanPlacePortalDestination:534-541`, `AcknowledgePortalMaterialized:595` (requires `Readiness.IsReady`, refuses double-fire), `IsCurrentPortalDestination:870-882` (requires active + generation + Portal kind + !cancelled + !completed + cell match; does NOT require Materialized), `EndTeleport:547-556` | The producer's complete input set exists. Note the validation-window consequence: a portal-carrying Place projection receipt fails `IsCurrentPlacementAuthority` once `Complete`/`EndTeleport` has run — §5 D-T6/D-T7 pin the ordering. |
-| `RuntimeAcceptedPositionDriveController` | seam `TryExecuteAcceptedLocalPosition:340-402` (ForcePosition-only gate `:348`); `SubmitAndResolve:670-773` (does not pass portal today); `ReconcileAndAcknowledge:830-840`; `SettlePending`/`_newestForce` re-issue funnel; `AbandonPending:312-329` (cancel + `PublishCancellation`) | Route 2's landed seam. The portal arm is a SIBLING entry sharing Begin/Submit/outcome handling but NOT the force funnel (trap T7 / D-T2). |
-| `PlayerMovementController` | `SetPositionCore:1845-1920`; `RearmConstraintLeashAtCurrentPosition:1834-1843`; `CommitCanonicalForcePositionFrame:1944-1950` (the model: body write already canonical; controller-local reconciliation only) | The single largest risk: every `SetPositionCore` duty must be accounted for (D-T4). |
-| classifier LocalPlayer teleport branch | `RuntimeAuthoritativePositionRouteClassifier.cs:336-356` **[R7-flux]** | Fact 0.4. Production classify callers today: the drive controller (Force only), `ClassifyRemoteAcceptedPosition`, the continuation executor. Route 3 is this branch's first steady-state producer. |
-| `RuntimePlacementPresentationSink.TryPublishPlace` | `:210-241` | **Snapshots whatever the entity already holds — it writes no pose.** Confirmed at HEAD (`Snapshot(entity)` from `entity.Position/Rotation`). The committed-receipt suffix must therefore write the render entity itself (D-T6); route 2's B2 coverage gap (no test drives a local-player Place through the sink to a moved `WorldEntity`) becomes load-bearing here and MUST close. |
-| `SpawnPlacementSettler` | first-entry only (`RuntimeLocalPlayerPhysicsPublicationState.cs:812`) | NOT invoked on the portal path; retail has no settle sweep here — contact resolves inside the SLIDE placement (trap T10). Do not add it. |
-| world frame | `RuntimePhysicsState.ObserveLocalWorldFrame` (rebases on `teleportAdvanced` at merge); App `LiveWorldOriginState` recenters asynchronously | The `!IsRecenterPending` conjunct in `ready` is what makes both frames agree at Place time (#283, trap T4). The canonical arm keeps that gating and resolves through Runtime's frame (`resolveWorldOffsetFromRuntimeFrame: true`). |
-| autorun latch | `RuntimeLocalPlayerMovementState.CancelAutoRun:226-234`; `ResetInputIntent:335-344` | **Verified gap:** no portal-arrival path cancels autorun today (`CancelAutoRun` callers: run-lock toggle, Stop/posture commands, attack prep; `ResetInputIntent` only on session reset). Retail's `PlayerTeleported` @0x006B32B0 does. D-T4 ports it. |
-
-### 3.5 What is already canonical and must not regress (J6)
-
-`RuntimeWorldTransitState` owns the reveal generation, destination latch,
-F751 correlation (both packet orders), materialization/simulation edge,
-viewport observation, wait cue, completion/cancellation, and the 4-stage host
-acknowledgement suffix (J6.2/J6.3/J6.4). Route 3 moves NONE of it. The ONLY
-transit-adjacent change: `AcknowledgePortalMaterialized` fires from the
-committed placement receipt instead of rubber-stamping after a host mutation.
-The lifecycle gate's `transitOwnership` zero-at-stable-checkpoint discipline
-(`tools/run-connected-world-lifecycle-gate.ps1`) covers this state.
-
----
-
-## 4. What must REMAIN true (process rule 1 — for every path, including every refusal)
-
-1. **Inversion A holds**: on every COMMITTED portal placement the constraint
- leash is armed exactly once, post-operation (`ConstrainTo` @0x0045418A
- analog — today's `RearmConstraintLeashAtCurrentPosition`, relocated into
- the teleport frame commit), after the hook-tail `UnStick`/`UnConstrain`;
- and the body velocity is zero (retail @0x004541B4 /
- `StopCompletelyAtPhysicsObjectBoundary`). The force arm's no-re-arm rule
- and its class doc stay force-scoped — the doc gains one sentence scoping
- itself to ForcePosition (process rule 6), nothing more.
-2. **Inversion B holds**: no hook-family action (UnStick, UnConstrain,
- NotifyTeleported, autorun cancel, camera reset, input-edge reset) runs
- BEFORE the canonical placement on this route. The suffix runs from the
- committed receipt.
-3. **The Place timing does not move** (trap T3): the canonical arm executes
- at each host's existing placement edge — graphical `TeleportAnimEvent.Place`
- after `CanPlacePortalDestination` and the same `ready` predicate; headless
- inside `PrepareDestination`'s slot in `TryCompletePortal`. No packet-accept
- placement, no readiness-predicate change, no `TeleportAnimSequencer`
- change, no `WorldRevealReadinessBarrier` change (#280's territory).
-4. **On every refusal/rejection/contention outcome the player remains
- presentable and the transit remains coherent**: the body stays `InWorld`
- with an active object clock; presentation is never torn from the body (no
- Withdraw survives — `restoreCancelledPark: true` on every cancellation,
- `AbandonPending`'s exact shape); the portal viewport, wait cue, and
- readiness evaluation are NOT touched by the failed placement (the reveal
- either stays active for a retry or is cancelled through the EXISTING
- transit cancellation — never a half-state); and no path leaves the player
- permanently in portal space with a dead operation (trap T5 / D-T5).
-5. **Reveal/readiness interaction on non-commit paths — nothing changes
- there**: a refused placement must NOT fire `ObserveMaterialized`/
- `AcknowledgePortalMaterialized` (it would assert a materialization that
- did not happen), must NOT `RevealWorldViewport`, must NOT advance the
- anim-event stream's terminal events, and must NOT reset the wait cue
- machinery. The materialization ack fires from the COMMITTED receipt only.
-6. **The pose still advances on a committed placement's presentation**: after
- the committed-receipt suffix, the render `WorldEntity` pose ==
- the RESOLVED canonical body pose, `ParentCellId` == the resolved cell, the
- draw bucket moved (`RebucketLiveEntity`), the root pose/camera reset, and
- the local-player collision shadow agrees (#312's layer — tests assert it).
-7. **Exactly zero outbound `AutonomousPosition` events from the portal arm**,
- on any outcome (`SendPositionImmediately: false`; retail's teleport branch
- sends none). The outbound tail is exactly: one `SendMovementEvent`-family
- movement refresh from the `PlayerTeleported` port (D-T4), and
- LoginComplete at its existing `FireLoginComplete` edge (T11 — unchanged;
- TS-28 narrowing stands; C3c's login-edge reasoning does NOT transfer).
-8. **The force arm is byte-identical**: `TryExecuteAcceptedLocalPosition`'s
- gate, `_newestForce`, `PositionEventOwed`, `SettlePending`, and every
- route-2 test keep their expectations. Zero force-arm test changes is a
- regression tripwire.
-9. **J6 lifecycle ownership is untouched** (§3.5). The 4-stage host
- acknowledgement suffix, F751 correlation, destination latch, wait cue,
- AD-38 viewport-retire timing, and `TeleportViewPlaneController` do not
- change.
-10. **The world-frame invariant (#283) holds**: the arm submits only under
- the existing `!IsRecenterPending` gating and resolves world offsets
- through Runtime's frame (`resolveWorldOffsetFromRuntimeFrame: true`).
- The App-translated `_pendingPosition` vector dies with D1; no second
- conversion site appears.
-11. **No settle sweep** (trap T10), **no allocation work** (trap T9 —
- once-per-teleport), **no `enter_world`/`HandleEnterWorld` additions**
- (retail does not run them here — §1).
-12. **Headless keeps its non-placement duties** (trap T12):
- `PrepareDestination`'s `CenterOn`, readiness report, and `PlayerState`
- writes stay host-owned; `BeginTeleport`'s `PlayerState.PortalSpace` write
- is out of scope.
-13. **Route 7's surfaces are untouched**: `RuntimeEntityObjectLifetime`'s
- parent/cell propagation, `EquippedChildRenderController`, the headless
- parent-realize drive, `ParentAttachmentState`. If route 3 genuinely needs
- an edit there, STOP and report the collision — do not plan through it.
-14. **The recorded-not-consumed route facts stay recorded-not-consumed**: the
- LocalPlayer teleport route's `UnparentBeforeRouting` /
- `ApplyPlacementFrameBeforeRouting` have no reader today; this slice adds
- no reader and does not delete the facts (4b-3's precedent).
-
----
-
-## 5. Design decisions — pinned, not open for redesign
-
-### D-T1 — the producer: construct the authority from live transit facts; NO new WorldRevealCoordinator exposure
-
-The authority's shape does not change (§3.4). Construction is pinned as:
-
-```
-new RuntimePortalPlacementAuthority(
- Present: true,
- RevealGeneration: ,
- TeleportSequence: transit.ActiveTeleportSequence,
- Projection: )
-```
-
-- **Graphical**: generation is `_pendingRevealGeneration`
- (`LocalPlayerTeleportController:404`); the host token is re-derived through
- the transit owner's **idempotent** `TryRegisterHostProjection:189-231` —
- the same generation+cell returns the existing registered token (`:215-216`);
- a stale generation, wrong cell, cancelled, or completed reveal returns
- FALSE. This is the safety property the scoping's open gap 3 asked for, by
- construction: **a superseded token cannot be handed to the producer**,
- because re-derivation refuses. On refusal the arm does not run — treat as
- the cancellation shape of D-T5. `WorldRevealCoordinator._hostProjections`
- stays private; no accessor is added.
-- **Headless**: generation, `destination.TeleportSequence`, and `projection`
- are all already in scope inside `TryCompletePortal`; construct directly.
-- The authority is passed to BOTH `TryBeginExclusiveAuthoredPlacement` and
- `TryPrepareAndSubmitAuthoredPlacement` (both already take it); Begin's gate
- (`:1528-1534`) and the sinks' `IsCurrentPlacementAuthority` do the
- validating. **Do not add a third validation site.**
-
-### D-T2 — the portal arm: a sibling entry on `RuntimeAcceptedPositionDriveController`, sharing the core, NOT the force funnel
-
-New entry (name at implementer's discretion, e.g.
-`TryExecuteAcceptedPortalArrival(record, in route, in portal)`), pinned in
-behaviour:
-
-1. **Preconditions**: local player, canonical body present, no active
- initial-Create residence, valid portal authority (D-T1), and the transit's
- `CanPlacePortalDestination` preflight already passed at the caller. On any
- precondition failure: `NotApplicable`-equivalent, write nothing.
-2. **Classification**: build the LocalPlayer route through the SHARED builder
- with the classifier's dormant teleport branch (fact 0.4) — from the
- **retained accepted destination** (the transit's pinned destination /
- the offer's captured `TeleportAdvanced` fact), never re-derived from live
- timestamps at the Place edge (by then no timestamp is "advancing" — the
- packet merged seconds ago). The classifier body does not change.
-3. **Execution**: `TryBeginExclusiveAuthoredPlacement(record, version,
- LocalAuthoritative, portal)` → `TryPrepareAndSubmitAuthoredPlacement(…,
- portal, resolveWorldOffsetFromRuntimeFrame: true)` — the same shape as
- `SubmitAndResolve`, either by extending that method with the portal
- pass-through (preferred if the outcome handling stays shared) or a sibling
- private core. `route.ZeroVelocity` is honored at the commit; the teleport
- frame commit (D-T4) runs on the committed outcome;
- `AcknowledgePortalMaterialized` fires from the committed receipt.
-4. **NOT inherited from the force arm** (trap T7): `_newestForce`, the
- re-issue funnel, `PositionEventOwed`, `SendImmediatePosition`, and
- `SettlePending`'s ack semantics. ACE sends one destination per teleport;
- the portal route owes no AutonomousPosition; a dead-watch re-issue of a
- portal placement would fight the transit generation. The portal arm's
- non-commit outcomes route to D-T5, not to a retry marker.
- `DeferredCell` handling MAY reuse the pending/watch machinery for the
- collision-generation wake (the destination was centered by the host before
- submit, so a park should be rare) — but its wake path must re-validate the
- portal authority before committing, and its cancellation must take
- `AbandonPending`'s exact shape (`restoreCancelledPark: true` +
- `PublishCancellation`).
-
-### D-T3 — the teleport frame commit: `SetPositionCore` re-homed, every duty accounted for
-
-Under the canonical commit, the BODY write (`SnapToCell`) moves into
-Runtime's `CommitCanonical`. Every OTHER `SetPositionCore` duty
-(`PlayerMovementController.cs:1845-1920`) must be mapped, in the
-implementation commit, to exactly one of: (a) already performed by the
-canonical commit, (b) performed by the new teleport analog of
-`CommitCanonicalForcePositionFrame` (e.g. `CommitCanonicalTeleportFrame`),
-or (c) deliberately dropped with a retail anchor. Losing one silently is the
-4b-2 round-1 defect class. The duties, enumerated:
-
-| duty | pinned destination |
-|---|---|
-| body snap (`_body.SnapToCell`) | (a) canonical commit |
-| render-lerp anchor reset (`_prevPhysicsPos`/`_currPhysicsPos`) | (b) |
-| `UpdateCellId` publication ("teleport" reason; render-root publish) | (b) |
-| `TransientState = Contact\|OnWalkable\|Active` seeding | verify (a) vs (b) — the #265/#166 check_contact family; if the canonical SLIDE placement already resolves contact, state it; if not, (b) keeps the seed. Do not drop. |
-| `Velocity = 0` | (b), honoring `route.ZeroVelocity` (retail @0x004541B4) |
-| `StopCompletelyAtPhysicsObjectBoundary` (retail StopCompletely 0x00527E40) | (b) |
-| input-edge/mouse state reset (`_prevForwardHeld` etc.) | (b) |
-| `UnStick` + `UnConstrain` + leash re-arm | (b) — Inversion A; anchor per §2 |
-| `_body.LastUpdateTime = 0` + `_objectClock.ResetForEnterWorld()` | (b) |
-| **NEW — `PlayerTeleported` port**: `CancelAutoRun()` on the J5.4 owner + one movement-event send (`SendMovementEvent` family) | (b) — retail @0x006B32B0, byte-listed §1. TWO NAMED BEHAVIOUR CHANGES (autorun now cancels on arrival; one movement refresh goes out) — call both out in the commit message, route-2 style. |
-
-The frame commit is Runtime-owned (called from the portal arm's committed
-path), exactly like `CommitCanonicalForcePositionFrame`. Shared private
-helpers between the two commits are sanctioned; changing the force commit's
-behaviour is not.
-
-### D-T4 — graphical `Place` edge rewrite: acknowledge, don't author
-
-`LocalPlayerTeleportPlacement.Place` (D1) is deleted as an authority. The
-Place edge becomes: build the authority (D-T1) → call the portal arm (D-T2)
-→ on the committed receipt run the presentation suffix → `ObserveMaterialized`
-(which now gates a mutation that already happened canonically — the
-rubber-stamp inverts into a real acknowledgement). The presentation suffix,
-pinned (all sourced from the RESOLVED committed body, not the wire pose):
-
-1. `entity.SetPosition(resolved)` + `entity.ParentCellId = resolvedCell` +
- `entity.Rotation` + `RebucketLiveEntity` — the same writes D1 performs
- today, re-sourced as a projection of the canonical result (the sink's
- `TryPublishPlace` writes no pose — §3.4 — so this suffix is the render
- entity's mover; the sink publishes world-state/shadow/visibility from it).
-2. `NotifyTeleported()` (TargetManager pair), camera resets
- (`Legacy.Update`/`ResetViewerToPlayer` — retail `set_viewer` analog),
- `_spatial.Reconcile()`.
-3. The probe line (D-T9).
-
-Whether `ILocalPlayerTeleportPlacement` survives as a thin acknowledge-only
-seam or is deleted and inlined into the controller is the implementer's
-choice; if it survives as a trivial adapter, record it as a C5 sweep
-candidate rather than deleting here.
-
-**Ordering caveat (proof obligation P2):** the placement projection
-subscription may acknowledge the Place receipt synchronously INSIDE the
-SetPosition call — before this suffix runs — so the sink can snapshot the
-pre-suffix entity pose (the T8 wire pose). Pin the END state, not the
-intermediate: by the end of the Place edge every presentation surface the
-sink touched (world snapshot store, local-player shadow, root pose) must
-reflect the resolved pose. If tracing shows a surface that is written only
-by the sink's snapshot and never refreshed, re-publish it from the suffix —
-and state which in the commit.
-
-### D-T5 — refusal, rejection, contention, and the Begin cell-mismatch edge: defined, not discovered
-
-The genuinely new edge (scoping §4): Begin validates the portal's destination
-cell against the LATEST merged snapshot while transit pins the FIRST accepted
-destination per generation. A second local Position merging between the offer
-and the Place edge makes Begin refuse (default token). Today benign (ACE
-sends one destination per teleport) — but every non-commit outcome is pinned:
-
-| outcome | pinned behaviour |
-|---|---|
-| D-T1 re-derivation refuses (stale generation / cancelled / completed) | the arm does not run; the Place edge returns without mutating; the transit's own cancellation/supersession machinery (already J6-owned) is the authority on what happens next. No new cancellation path is invented. |
-| Begin refuses (cell mismatch, contention, retained completion) | no body write, no presentation write, no materialization ack, no viewport change. The Place edge logs the probe line with the refusal cause and RETURNS — the anim stream stays where it is, so the NEXT Tick re-attempts the Place edge (the anim event re-fires while `ready` holds; verify and pin with a test — if the Place anim event is one-shot, the re-attempt must be driven by the same Tick predicate that produced it, and THAT mechanism must be stated in the commit). A permanent refusal (mismatched second destination) converges through the transit's existing supersession (the newer destination starts its own generation) or session reset — never a silent wedge in portal space. |
-| `Contention`/retryable preparation | same visible behaviour as Begin-refusal: nothing mutates, re-attempt on a later edge/pump; any retained pending must carry the portal authority and re-validate it at wake (D-T2.4). |
-| `DeferredCell` park | allowed through the shared machinery; the wake commit re-validates the portal authority; cancellation restores the park (`restoreCancelledPark: true`). The player stays in portal space (viewport intact) until the commit — which is exactly today's user-visible wait-cue behaviour. |
-| `Rejected`/cancelled after Begin | cancel the token (`CancelToken` shape), write nothing, no materialization ack; same re-attempt/supersession convergence as Begin-refusal. |
-| teardown / disconnect mid-transit | `AbandonPending` + the session reset's existing transit reset; the ledger (`AcceptedPositionDrivePendingCount` or the portal arm's own registration) converges to zero — asserted by the reset suite. |
-
-The invariant across every row: **the pose the player last had remains
-presented** (portal space owns the viewport, the body did not move, and no
-Withdraw was published), and **the transit lifecycle is exactly as J6 left
-it**.
-
-### D-T6 — headless: `PrepareDestination` flips to the same arm
-
-`ResynchronizeLocalPlayerForPortalArrival` (D2) is deleted.
-`PrepareDestination` keeps `CenterOn` + readiness reporting + `PlayerState`
-writes and calls the SAME portal arm (via the session controller's existing
-drive access) with the authority built from the in-scope
-generation/sequence/projection. Ordering pinned: the placement commits
-**before** `AcknowledgePortalMaterialized` (as today — D2 runs inside
-`PrepareDestination`, ahead of the materialization ack at `:469`), while the
-transit is active and current, so the synchronous projection acknowledgement
-inside the commit validates against a live authority. Because
-`TryCompletePortal` then runs `Complete` + `EndTeleport` synchronously, **a
-portal-carrying Place receipt left unconsumed past `EndTeleport` fails
-`IsCurrentPlacementAuthority` forever** — proof obligation P3 establishes
-that the headless sink consumes or the cancellation retires every portal
-receipt before that edge, or the design adjusts (e.g. the commit's
-synchronous ack is confirmed to be the only consumer headless).
-
-The headless arm reuses the identical Runtime entry — dual-host parity is a
-test obligation, not an aspiration (§8).
-
-### D-T7 — the T8 second writer: tolerated, comment corrected, nothing suppressed
-
-The local generic render-pose write + rebucket
-(`LiveEntityNetworkUpdateController.cs:2284-2314`) KEEPS running for accepted
-local Apply packets, including the portal destination Position. It is
-pre-existing (AP-131/#275 territory, C5's scope), hidden behind the portal
-viewport, and the committed-receipt suffix (D-T4) overwrites it with the
-resolved pose. Route 3 does NOT suppress it during the teleport window —
-suppression would be an unowned behaviour change on the ordinary local Apply
-path. The stale comment at `:2276-2277` ("The local player never reaches
-this generic-remote code path at all") is corrected in this slice to state
-what the code does (process rule 6). The tolerance is stated in the AD-2
-amendment (D-T9) so the next reader knows the overwrite ordering is
-load-bearing.
-
-### D-T8 — probe
-
-`ACDREAM_PROBE_LOCAL_TELEPORT=1`, `PhysicsDiagnostics`-owned, TEMPORARY
-family (strip with the physics-probe family). One line per portal-arrival
-attempt: cause (`portal`/`recall`/`admin`), host (`graphical`/`headless`),
-placement status, portal generation/sequence, destination cell, resolved
-cell, `hookTail=ran`, `leash=armed`, `autorun=cancelled`. The connected gate
-is a pass ONLY with probe evidence (process rule 5).
-
-### D-T9 — register, issue, and documentation bookkeeping, in the implementation commit
-
-- **AD-42 is DELETED.** Its last surviving citation is D2's two-call
- `Resolve`+`ResolvePlacement` split; the replacement is the canonical
- placement family (the faithful port). Register rule: the commit that ports
- the retail mechanism deletes the row.
-- **AD-2 is AMENDED**, not given a sibling row: add the deferred-Place
- sentence — retail places immediately on the accepted destination Position
- and blocks simulation on DAT prefetch (`blocking_for_cells`,
- `SmartBox::UseTime` @0x00455410, `CellManager::PreFetchCells` @0x00455820);
- acdream defers the PLACEMENT itself to the reveal-ready Place edge behind
- the portal viewport, executed by the canonical Runtime transaction — plus
- the T8 overwrite-ordering note (D-T7) and the leash-anchor nuance (§2
- Inversion A). This closes the scoping's open gap 1 (no existing row states
- the placement-timing adaptation; AD-2 is the row that owns this
- architecture).
-- **The 2026-07-16 pseudocode correction LANDS IN THIS SLICE** (decision on
- scoping documentation defect 1): `2026-07-16-portal-completion-pseudocode.md`
- attributes portal arrival to `enter_world` (`player.enter_world(destination)`
- in its §"accepted portal destination becomes ready" listing, and the
- `enter_world` discussion above it). That is the LOGIN path
- (@0x00455095-caller); portal arrival is `SmartBox::TeleportPlayer` →
- `SetPositionSimple` (§1). Add a dated correction banner citing the caller
- sweep; the doc's conclusion (commit the cell before releasing simulation)
- survives. Rationale for in-slice: it is the retail record for the exact
- mechanism this commit ports, and this commit's own citations contradict it
- — leaving it is the "a register row asserting behaviour the code does not
- have" class applied to a research doc.
-- **The `:2276` stale comment correction LANDS IN THIS SLICE** (decision on
- scoping documentation defect 2) — D-T7. The behaviour itself is untouched.
-- **The campaign plan's gap line is corrected**: plan `:92-93` ("zero
- producing call sites; the adapter … does not exist") becomes a dated
- correction — the consumption/validation half was live before route 3; route
- 3 added only the producer. Same commit family as the route's docs update.
-- **The force-arm class doc** (`RuntimeAcceptedPositionDriveController.cs:127-132`)
- gains the one force-scoping sentence (§4 item 1).
-- **ISSUES.md**: none closed by this slice. #280, #275, #316 untouched.
- AP-131/AP-135 untouched.
-
----
-
-## 6. Proof obligations (prove, not assume; stated in the implementation commit)
-
-- **P1 — the D-T3 duty map**: every `SetPositionCore` duty mapped to
- (a)/(b)/(c) with the contact-seeding question answered from the canonical
- commit's actual behaviour (read `CommitCanonical`'s transient-state
- handling; do not guess).
-- **P2 — presentation end-state** (D-T4 caveat): trace every surface the
- sink's `TryPublishPlace` writes for the local player (world snapshot store,
- `_localPlayerShadow`, visibility sinks) and establish each reflects the
- resolved pose by the end of the Place edge — or is re-published by the
- suffix. Name the mechanism per surface.
-- **P3 — no wedgeable portal receipt** (D-T6): walk both hosts'
- projection-subscription consumption for a portal-carrying Place: establish
- that the receipt is consumed while `IsCurrentPortalDestination` still
- holds (synchronous ack inside the commit, or pumped before
- `Complete`/`EndTeleport`), and that every failure path (declined sink,
- teardown, supersession) retires it through the existing
- cancellation/Discard machinery. A receipt nothing can ever consume or
- retire is a FIFO wedge — the failure mode the sinks' own doc comments warn
- about.
-- **P4 — the re-attempt mechanism on a refused Place edge** (D-T5): establish
- whether `TeleportAnimEvent.Place` re-fires on subsequent Ticks while
- `ready` holds (read `TeleportAnimSequencer`); if it is one-shot, name and
- test the actual re-attempt driver.
-- **P5 — ledger convergence**: teardown, session reset, and generation
- change with a portal operation in flight converge the drive's pending
- count and the transit ownership counters to zero (the reset suites +
- `transitOwnership` checkpoints).
-- **P6 — the movement-event half of the `PlayerTeleported` port**: confirm
- the outbound movement event goes through the existing
- `LocalPlayerOutboundController` seam with retail's shape (one refresh,
- reflecting the stopped post-teleport state), and that ACE accepts it
- without side effects (the connected gate observes the arrival stance on a
- second client).
-
----
-
-## 7. Deletion inventory
-
-| site | action | lines |
-|---|---|---|
-| `LocalPlayerTeleportPlacement.Place` body (`LocalPlayerTeleportController.cs:214-278`) | authority deleted; class rewritten to the D-T4 acknowledge suffix (or inlined; interface fate per D-T4) | ~55 non-comment deleted; suffix re-added smaller |
-| `LocalPlayerTeleportPlacement.CellLocalForSeed` (`:280-289`) | dies with D1 (the App frame translation — trap T4) | ~9 |
-| `_pendingPosition` App-frame plumbing in the controller (`:401`, its writes in `TryAimAcceptedDestination`) | replaced by the transit's retained destination (D-T2.2) | small |
-| `HeadlessSessionWorldProjection.ResynchronizeLocalPlayerForPortalArrival` (`:788-836` + doc `:779-787`) | deleted; `PrepareDestination:761` call replaced by the portal-arm drive (D-T6) | ~40 non-comment + 9 doc |
-| `SessionPlayerComposition.cs:888` (`new LocalPlayerTeleportPlacement(...)`) | rewired to the surviving suffix shape | ~8 ctor args |
-| `tests/AcDream.App.Tests/Streaming/LocalPlayerTeleportControllerTests.cs` | the fake-placement scenarios re-expressed against the canonical arm + suffix — each scenario maps to a successor or is named obsolete-with-reason in the commit (route-5 discipline), never dropped as collateral | audit |
-| stale comments (process rule 6) | `:2276-2277` (D-T7); `HeadlessSessionWorldProjection:779-787` TODO block (dies with D2); the drive controller class doc force-scoping sentence; grep `LocalPlayerTeleportPlacement`/`ResynchronizeLocalPlayerForPortalArrival` across `src/` + `docs/architecture/` and re-point every survivor | — |
-
-Net: ~225-400 added non-comment production lines (Runtime portal arm
-90-150; teleport frame commit 40-80 incl. the `PlayerTeleported` port;
-graphical producer + Place rewrite 60-110; headless flip 15-30; probe ~10;
-D-T1 needs no coordinator exposure so the scoping's 10-20 there drops out),
-net roughly +150 to +250. Tests are the larger share (~500-900 lines).
-
----
-
-## 8. Test plan
-
-Rules: assert the layer that historically broke (presentation, transit
-ownership, ledger — not only `InWorld`/clock); positive facts, not only
-negatives; every new test must fail against a broken implementation (route-5
-round-3's self-verifying-discriminator standard where staging permits).
-
-Focused Runtime tests (`tests/AcDream.Runtime.Tests`):
-
-1. **Producer validity**: the authority built through D-T1 satisfies
- `IsValid` and `Begin`'s gate for the pinned destination; a stale
- generation, cancelled reveal, completed reveal, or wrong cell makes
- re-derivation refuse and the arm return without writing (positive half:
- the transit snapshot and body are bit-unchanged).
-2. **Committed portal placement**: body at resolved destination, cell
- committed canonically, velocity zero, leash armed exactly once
- post-operation at the resolved anchor (count the arms — 4b-3 P3's
- observable), autorun latch cleared, exactly one movement event and zero
- AutonomousPosition events queued, object clock reset, input edges reset,
- `AcknowledgePortalMaterialized` observed by the transit (Materialized
- true, simulation available), probe fields.
-3. **The Begin cell-mismatch edge** (T5): merge a second local Position with
- a different landblock between offer and Place → Begin refuses → nothing
- mutates, no materialization, transit still active; then the D-T5
- convergence path (supersession or reset) drains the ledger to zero.
-4. **Refusal matrix** (one test per D-T5 row): refused re-derivation;
- contention; `DeferredCell` park + collision-generation wake (wake
- re-validates the authority; commit then fires materialization); rejected
- after Begin; teardown mid-park (`restoreCancelledPark` restores, ledger
- zero). Every row asserts the positive facts: body unmoved, `InWorld`,
- clock active, viewport/wait-cue state untouched, no Withdraw published.
-5. **Inversion tests, both directions**: (a) the force arm still never arms
- (route 2's existing partition test untouched) while the portal arm always
- arms on commit; (b) no hook-family action runs before the canonical
- commit on the portal arm (observable ordering, e.g. the leash is
- UnConstrained-then-re-armed only after the commit's receipt).
-6. **Dual-host parity**: the headless flow (D-T6) drives the same arm; a
- headless portal completion produces the same canonical body/cell/leash/
- autorun/ack facts as the graphical one, and `TryCompletePortal`'s
- acknowledgement suffix still converges (P3's no-wedge property asserted:
- no unconsumed portal receipt survives `EndTeleport`).
-7. **Ledger/reset**: P5.
-
-App-layer tests (`tests/AcDream.App.Tests`):
-
-8. **The committed-receipt presentation suite (#312's layer + route 2's B2
- closure)**: after a committed portal placement through the REAL sink +
- suffix, the render `WorldEntity` position/rotation/`ParentCellId` equal
- the resolved body, the draw bucket moved, the local-player shadow agrees,
- and the sink's Place receipt was consumed with a VALID portal authority
- (the portal gate finally exercised live — assert it discriminates: a
- stale-authority receipt is not consumed and is retired by the
- cancellation path, not wedged).
-9. **The T8 overwrite ordering**: an accepted portal destination Apply
- writes the wire pose (the tolerated generic write), and the Place edge's
- committed suffix then overwrites with the resolved pose — asserting the
- END state and that the intermediate never leaks past the Place edge.
-10. **Refused Place edge presentation**: a refused arm leaves the portal
- viewport owning presentation, fires no materialization/reveal/exit-sound
- event, and the player entity is untouched (positive: the pre-teleport
- pose is still the presented pose).
-11. **Sabotage check (manual, once, before finalizing)**: break the suffix
- (skip the render-entity write) → test 8 fails; break the leash re-arm →
- test 2 fails; hardcode the force route onto the portal arm
- (`ConstrainPhase.None`) → test 5a fails; skip `CancelAutoRun` → test 2
- fails. If a sabotage survives, fix the test.
-
----
-
-## 9. Gates
-
-- **Focused**: §8 suites green.
-- **Complete Release suite**:
- `$env:ACDREAM_PAK_PATH = "$env:USERPROFILE\Documents\Asheron's Call\acdream.pak"`,
- `dotnet test AcDream.slnx -c Release -m:1`. **Baseline 11,063 passed / 4
- skipped / 0 failed at `cff52c44`.** Route 7 will move this number before
- route 3 starts — measure the post-route-7 baseline first and record the
- new figure; never inherit. Two known flakes, never chase and never
- conflate: **#302** (`PortalProjectionTests.ClipToRegion_FrameOwnedStore_…`,
- GC-allocation assertion, App.Tests) and **#308** (`NakEmissionTests.LossSoak_…`,
- wall-clock deadline, Core.Net.Tests, full-suite load only). If either
- appears, re-run and say which.
-- **Connected graphical gate (user-run, REAL and MANDATORY).** Release
- build, `ACDREAM_RETAIL_UI=1`, `ACDREAM_PROBE_LOCAL_TELEPORT=1`, live ACE.
- One session exercising, in order:
- 1. a physical outdoor portal (e.g. Holtburg portal);
- 2. a dungeon portal (indoor destination — the EnvCell readiness path);
- 3. `/ls` lifestone recall AND one spell recall (the F751 recall family);
- 4. an ACE admin teleport of the LOCAL player (`@teleto`/`@teleloc`) —
- advances ObjectTeleport and, per the route-2 visual-gate doc, exercises
- exactly this route;
- 5. a same-destination revisit (ACE may omit CreateObject on revisit);
- 6. **autorun through a portal**: engage autorun, walk into a portal —
- arrival must be at REST (the `PlayerTeleported` port observable);
- 7. graceful close.
-
- **Pass requires ALL of** (a clean-looking session is NOT a pass —
- process rule 5):
- - one probe line per arrival with `placement=Committed`, the portal
- generation/sequence, the resolved destination cell, `leash=armed`,
- `autorun=cancelled` (arrivals 1-5), and zero `Refused`/`Contention`
- lines in ordinary play;
- - user visual: the purple materialization silhouette without an opaque pop
- or late tail (the 2026-07-25 accepted baseline), camera reset behind the
- player, movement works immediately (walk out with W held — the
- input-edge half), idle stance (no run-in-place), no rubber-band/tether
- after arrival AND no leash absence (the probe's `leash=armed` field is
- the observable — do not invent a visual for it);
- - a second client observing an arrival sees a normal materialization and
- stance (P6's movement-event observable);
- - the exact lifecycle/reconnect gate
- (`tools/run-connected-world-lifecycle-gate.ps1`) passes with every
- `transitOwnership` counter zero at every stable checkpoint.
-- **Headless parity gate**: the K-style connected four-stop portal route
- (K3 closeout recipe) with the probe enabled — the same
- probe-line-per-arrival requirement on the no-window host, proving D2's
- replacement executed there.
-- **Honest gap to record up front (4b-3 style)**: mid-transit supersession
- (a second teleport before the first materializes) and mid-transit
- disconnect are hard to provoke against ACE on demand. If the session does
- not produce them, record the stale-generation/cancellation behaviour as
- test-verified-only — never fold it into a blanket "gate passed".
-
----
-
-## 10. Budget and stop conditions
-
-**Budget: ~225-400 added non-comment production lines, ONE slice** (§7).
-Calibration: 4a 364; 4b-2 350-500; 4b-3 ~250 net; route 5 ~131.
-
-**Stop and report rather than pushing through when:**
-
-1. Added production lines exceed ~500.
-2. The design starts needing changes to `RuntimeWorldTransitState`'s
- lifecycle semantics, the `TeleportAnimSequencer` timings, or
- `WorldRevealReadinessBarrier` — each is a sign #280 or a J6 regression is
- being smuggled in.
-3. The Begin cell-mismatch edge (D-T5) turns out to be reachable in ordinary
- play (ACE double-destination) — the refusal design needs the user's eyes.
-4. P3 finds a portal receipt no mechanism can consume or retire — the
- FIFO-wedge shape changes the design, not the test.
-5. Route 3 needs an edit inside route 7's surfaces (§4 item 13).
-6. Any force-arm (route 2) test changes expectation.
-7. The complete Release suite deviates from the measured post-route-7
- baseline beyond the two named flakes.
-
----
-
-## 11. What this slice does NOT do
-
-- **#280** — split out; its own slice with its own visual gate (campaign
- plan item 3). The session handoff's "rides with route 3" is overridden —
- reported, not smoothed.
-- **AP-131 / #275** — the shared merge call and the ordinary local Apply
- path (including D-T7's tolerated generic write) stay for C5.
-- **AP-135, #276, #316** — untouched.
-- **Route 7's ownership** — `RuntimeEntityObjectLifetime` parent/cell
- propagation, `EquippedChildRenderController`, headless parent drive.
-- **AP-1/AD-1 retirement, the legacy-deletion sweep, parity tests, the
- final connected matrix** — C5. Surviving trivial seams
- (`ILocalPlayerTeleportPlacement` if reduced to an adapter, the test-only
- `BeginAcceptedPlacement`/`BeginAuthoredPlacement` wrappers) are recorded
- as C5 sweep candidates, not deleted here.
-- **No headless remote consumer, no reveal-gate changes, no
- presentation/anim/viewport changes, no `enter_world`/`HandleEnterWorld`
- additions, no settle sweep, no allocation work.**
-- **The leash-anchor nuance** (§2 Inversion A) — kept as shipped, recorded;
- switching to retail's wire-destination anchor is its own decision if ever
- taken.
-
----
-
-## 12. Contradictions and open questions — reported, not smoothed
-
-1. **The session handoff vs the campaign plan on #280**: the handoff says
- "#280 rides with [route 3]"; the plan sequences it as its own item. This
- contract follows the plan (scoping §7's mechanical argument: disjoint
- blast radii, disjoint review lenses, both changes gate the same session
- but share no mechanism). If the reviewer prefers the handoff's bundling,
- that is a scope decision for the user — the technical recommendation is
- SPLIT.
-2. **The campaign plan's `:92-93`** ("the adapter … does not exist")
- overstates the gap — the validation half is live production code; only
- the producer is missing (scoping §1.1, re-verified here). D-T9 corrects
- the plan line in the docs commit.
-3. **The 2026-08-02 route inventory** remains wrong in the eight ways the
- scoping's §3 enumerated; it is a dated research record (route-5 A11
- precedent: acceptable), and this contract supersedes its route-3 section.
-4. **Scoping delta**: the scoping's §8 budgeted 10-20 lines for
- "`WorldRevealCoordinator` host-token exposure"; this contract's D-T1
- removes that item entirely (re-derivation through the transit's idempotent
- `TryRegisterHostProjection` is safer — a stale token is unobtainable by
- construction — and needs no new surface). The scoping's classifier line
- range (`:349-368`) is already stale under route 7's working diff
- (`:336-356` at `ca96ea5e` + diff); symbols hold.
-5. **New since the scoping, found while pinning**: (a)
- `CommandInterpreter::PlayerTeleported` @0x006B32B0 byte-listed —
- `SetAutoRun(0,1)` + `SendMovementEvent` — and the autorun-cancel gap
- confirmed real (no arrival path cancels the J5.4 latch today), so D-T3
- ports it as two named behaviour changes; (b) the sink's `TryPublishPlace`
- writes no pose (route-5 R3's finding re-confirmed for the LOCAL player),
- making the committed-receipt suffix the render entity's mover — pinned in
- D-T4 rather than discovered in review; (c) the headless
- `TryCompletePortal` suffix is fully synchronous, producing the
- receipt-past-`EndTeleport` wedge hazard P3 exists for.
-
-Open questions routed to the reviewers:
-
-- **To the retail-conformance reviewer**: (a) verify the §1 table against
- the pseudo-C independently, especially the `PlayerPositionUpdated` action
- order and the `enter_world` caller sweep (the load-bearing negative);
- (b) judge the leash-anchor nuance (§2) — resolved-position anchor kept vs
- retail's wire-destination anchor — is the recorded delta acceptable or
- should this slice switch it?; (c) confirm `SendMovementEvent`'s outbound
- shape for the post-teleport refresh (P6) matches retail's (autonomy
- handling, stance content).
-- **To the architecture reviewer**: (a) P3's no-wedge walk on both hosts;
- (b) whether the portal arm should share `SubmitAndResolve` (extended with
- the portal pass-through) or a sibling core — pinned behaviour either way,
- but the sharing decision affects the force arm's blast radius; (c) the
- D-T5 re-attempt mechanism (P4) once read from the sequencer.
diff --git a/docs/research/2026-08-04-c4-route-3-retail-review-round2.md b/docs/research/2026-08-04-c4-route-3-retail-review-round2.md
deleted file mode 100644
index 3aa0637d..00000000
--- a/docs/research/2026-08-04-c4-route-3-retail-review-round2.md
+++ /dev/null
@@ -1,434 +0,0 @@
-# C4 route 3 — retail-conformance review, round 2 (delta) — 2026-08-05
-
-**Verdict: FAIL — but a near miss.** All three round-1 MAJOR retail
-findings (R1, R3, R8) are genuinely fixed, and the R1 fix is the right
-shape for the right retail reason. What blocks is small and cheap: one
-unsound "the park committed" inference that reopens R1's failure mode on
-a narrow path (**N1**), one approximation shipped with a code comment
-instead of the register row the project's binding rule requires
-(**R7**), and one transient condition converted into a fatal exception on
-the headless endurance path (**N3**).
-
-**R4/A5 (the presentation suite) explicitly does NOT block** — see §D.
-That call changed from round 1 because the A10 correction is true: I
-verified the canonical Place receipt, not the suffix, is the render
-entity's mover, and both halves of that path already have tests.
-
-Scope: delta against my round-1 report
-(`2026-08-04-c4-route-3-retail-review.md`). Same working tree, HEAD
-`cd3129e9`, uncommitted. Review only.
-
----
-
-## §A — round-1 findings: disposition
-
-| # | round-1 finding | round-2 status |
-|---|---|---|
-| R1 | `Place` one-shot; no re-attempt driver; reveal completes with an unplaced body | **FIXED** — §B, and the fix is retail-correct |
-| R2 | headless discards the arm's status, acks a materialization that never happened | **FIXED** — §B.3 |
-| R3 | probe's `leash` field can never read `armed` | **FIXED** — `Constraint?.IsConstrained` at `RuntimeAcceptedPositionDriveController.cs:838` |
-| R4 | App presentation suite missing; assertions weakened | **PARTIALLY closed, does not block** — §D |
-| R5 | headless dual-host parity untested | **FIXED** — `HeadlessPortalPrepareDestinationParksThenCommitsOnCollisionGenerationWake` |
-| R6 | `enter_world` caller-sweep correction mis-stated the retail record | **FIXED and independently re-verified** — §C.4 |
-| R7 | retail's movement refresh is autonomy-gated; acdream's was not | **PARTIALLY fixed — BLOCKS on register discipline** — §C.3 |
-| R8 | probe fired only on commit; refusals invisible under the pinned env var | **MOSTLY fixed** — two App-side causes remain invisible, §E.2 |
-| R9 | stale "TryBeginPortal (below)" | **FIXED** (`:751` now reads "above") |
-| R10 | `AD-131` does not exist | **FIXED** → `AP-131` |
-| R11 | probe hardcoded `autorunCancelled: true` | **FIXED** — reads `CancelAutoRun()`'s bool |
-
----
-
-## §B — the R1 fix: correct, and correct for the right retail reason
-
-`LocalPlayerTeleportController.cs:527`
-
-```csharp
-bool placementReady = dataReady && TryAdvancePortalCommit(sequence);
-...
-var (_, events) = _presentation.Tick(deltaSeconds, placementReady);
-```
-
-Inverting the readiness feed instead of touching the sequencer is the
-right call, for a reason worth recording: **it is retail's own shape.**
-Retail holds the player in portal space on `CellManager::blocking_for_cells`
-and `SmartBox::UseTime` @0x00455410 runs only `CheckPrefetchStatus` until
-the destination is usable — the hold lives in the *readiness predicate*,
-not in the animation. Feeding the sequencer "the canonical commit has
-already happened" rather than "the data is ready" reproduces that hold
-without changing a single sequencer timing (stop condition 2 respected).
-`TeleportAnimSequencer.cs` is untouched — confirmed by `git diff`.
-
-### B.1 — arrival ORDER is preserved; Inversion B intact
-
-Verified by tracing the single tick on which the commit succeeds:
-
-1. `TryAdvancePortalCommit` → `TryExecuteAcceptedPortalArrival` →
- `TryPrepareAndSubmitAuthoredPlacement` → **canonical body commit**
- (`CommitCanonical`, retail `SetPositionSimple` @0x005162B0).
-2. `ReconcileAndAcknowledgePortal` → `CommitCanonicalTeleportFrame`
- (UnStick @0x00514EEE / UnConstrain @0x00514F02 / re-arm @0x0045418A,
- velocity zero @0x004541B4, StopCompletely) — **after** the placement.
-3. `CancelAutoRun()` + movement refresh — the `PlayerTeleported`
- @0x006B32B0 port, **after** the hook tail.
-4. Only then does the sequencer see `worldReady=true`, emit `Place`, and
- run the presentation suffix (`NotifyTeleported`, camera reset,
- reconcile) and `ObserveMaterialized`.
-
-Retail: `SetPositionSimple` @0x00453924 → `PlayerPositionUpdated`
-@0x00453932 → `teleport_hook` @0x004538AE → `PlayerTeleported`
-@0x004538B3 → `set_viewer` @0x004538D5. **Same order.** Inversion B
-(local hook AFTER placement) holds; the gating did not move it.
-
-Two sub-order deltas versus retail, both traced and both **unobservable**
-— stated so a future reader does not re-derive them:
-
-- Retail's `ConstrainTo` @0x0045418A and `set_velocity` @0x004541B4 run
- in `HandleReceivedPosition` *after* `PlayerPositionUpdated` returns,
- i.e. after `SendMovementEvent` and `set_viewer`. acdream runs both
- inside `CommitCanonicalTeleportFrame`, before them. Nothing reads the
- leash between those points, and `MoveToStatePack` @0x006B4720 packs
- `InqRawMotionState` + `m_position` + contact + longjump + timestamps —
- **no velocity** — so the outbound bytes are identical either way.
-- `NotifyTeleported()` (teleport_hook's TargetManager teardown) now runs
- in the presentation suffix, i.e. after `PlayerTeleported`, where retail
- runs the whole hook before it. Purely local; no interaction with the
- outbound send.
-
-### B.2 — the refusal path is now genuinely held, and tested with teeth
-
-`RefusedPlace_HoldsTheStreamAndConvergesOnlyAfterContentionClears`
-(App.Tests) forces a real Runtime `Contention` by taking the entity's
-placement token, drives **100 ticks at 0.1 s** — 10 s, roughly 3× the
-tunnel's own 2–5 s timing, well past where the pre-fix code fired
-`FireLoginComplete` — and asserts the positive facts: body unmoved,
-`IsActive`, `Snapshot.Completed == false`, `LoginCompleteCount == 0`.
-It then releases the competing operation and asserts the very next tick
-commits at the offered destination. That is a real discriminator, not a
-negative-only assertion, and it directly kills R1.
-
-A permanent refusal now holds in the tunnel showing retail's centered
-wait cue (`_holdSeconds` accumulates on `!placementReady`) until
-supersession or session reset — which is exactly what contract D-T5
-pinned and §4 item 4 requires.
-
-### B.3 — headless
-
-`PrepareDestination` now throws if no drive is wired, gates the attempt
-on `_collision.IsReady(destination.CellId)`, and returns
-`IsCollisionReady: committed`;
-`RuntimeLiveEntitySessionController.TryAdvancePortalCompletion` returns
-early on `!IsCollisionReady`, retried by `PumpPortalCompletion` from
-`HeadlessSessionHost.Tick`. The materialization ack can no longer
-precede a placement. R2 closed.
-
-### B.4 — P3 (no wedgeable portal receipt) is now ESTABLISHED
-
-Neither review had closed this. `RuntimePlacementProjectionSubscription.OnPlacement`
-(`:122-150`) calls `_sink.TryApply(in head)` **synchronously on publish**,
-so a portal-carrying Place receipt is applied and acknowledged inside the
-commit call, while the transit is still active and
-`IsCurrentPlacementAuthority` still holds. This matters most on headless,
-where `TryAdvancePortalCompletion` runs `Complete` + `EndTeleport`
-synchronously right after the commit and the FIFO is only republished at
-the end of the same `Tick` — had delivery been deferred, that receipt
-would have failed the portal gate forever and wedged the placement FIFO
-for every entity. It does not. **P3 satisfied on both hosts.**
-
----
-
-## §C — retail verification of the round-2 changes
-
-### C.1 — A4: the route fields carry retail semantics (with one granularity defect)
-
-Verified in `RuntimeAuthoritativePositionRouteClassifier.cs:164-171`:
-
-- `ConstrainAfterRouting => ConstrainPhase is AfterPositionOperation` —
- **correct and discriminating.** It separates the three real retail
- cases: force (`None`, early return @0x0045409D), local teleport
- (`After`, `ConstrainTo` @0x0045418A), local non-teleport (`Before`,
- `ConstrainTo` @0x004541EC). The sabotage the contract's §8 item 11
- demanded can now fail as designed.
-- `ZeroVelocity` — read directly; retail `set_velocity` @0x004541B4.
-
-**N4 (LOW) — `RunsTeleportHook` gates too much.**
-`RuntimeAcceptedPositionDriveController.cs:795-801` uses
-`route.RunsTeleportHook` (`TeleportHookPhase is not None`) to gate the
-**entire** `CommitCanonicalTeleportFrame` call. But that method does far
-more than retail's `teleport_hook` @0x00514ED0 (CancelMoveTo, UnStick,
-StopInterpolating, UnConstrain, TargetManager, report_collision_end): it
-also resets the render-lerp anchors, publishes `UpdateCellId`, runs
-StopCompletely, resets the input edges, and resets the object clock —
-none of which retail conditions on the hook. Retail's `SetPositionInternal`
-@0x00515330 does the frame/cell work unconditionally. Today the portal
-route always sets the phase, so there is no live effect; but a future
-`TeleportHookPhase.None` would silently skip the render-root cell publish
-— the doorway-FLAP class. Gate only the `UnStick`/`UnConstrain`/re-arm
-block on the hook phase.
-
-`RunsTeleportHook` also collapses `Before` and `After` into one boolean.
-Harmless here because the call site is unconditionally post-commit, but
-it means the field cannot express Inversion B by itself.
-
-### C.2 — the "sequence" plumbing
-
-`TryExecuteCanonicalPortalPlacementCore` now takes the authority's
-`TeleportSequence` from `_pendingDestination` and `Debug.Assert`s it
-equals the transit's `ActiveTeleportSequence`. Sound: the two can only
-diverge through a bug, and `RuntimeWorldTransitState.OfferTeleportDestination:495-503`
-accepts **exactly one** destination per active sequence
-(`if (_destinationAccepted) return false;`), so the Aim-time snapshot is
-unique per sequence by construction. (This also disposes of a hazard I
-went looking for: a second destination cannot supersede within a
-sequence, and a new sequence routes through `OnTeleportStarted` →
-`ResetTransit`, which clears `_placementCommitted`/`_awaitingDeferredWake`
-at `:932`.)
-
-### C.3 — R7: the autonomy gate — **the approximation is real and needs its register row (BLOCKING)**
-
-The retail reading is now exactly right, and I verified both halves:
-
-- `CommandInterpreter::UsePositionFromServer` @0x006B3B40 (pseudo-C
- `:699506-699510`) is literally `return this->autonomy_level != 2`.
- acdream's `RuntimeCharacterState.UsePositionFromServer` (`:122`) is
- `AutonomyLevel != FullAutonomyLevel(2)` — **an exact port.**
-- `CommandInterpreter::SendMovementEvent` @0x006B4680 gates on
- `this->autonomy_level != 0` (@0x006B46BB, pseudo-C `:700283`).
-
-So `!UsePositionFromServer` sends at level 2 only; retail sends at levels
-1 **and** 2. The implementer's characterisation is accurate, and the
-divergence is currently unreachable — `TrySetAutonomyLevel` has **zero
-production callers** (only `RuntimeCharacterStateTests`), so
-`AutonomyLevel` is always 2 and the two gates agree. Retail's own default
-is 2 (`command_line_autonomy_level = 0x2`, pseudo-C `:1088429`).
-
-That is precisely what an approximation is: correct today, wrong the day
-someone wires level 1. CLAUDE.md's register rule is binding and admits no
-implementer discretion — *"Any commit that introduces a deviation (an
-adaptation, an approximation, a stopgap, a 'retail does X but we…') adds
-its register row IN THE SAME COMMIT. … A deviation found without a row is
-a bug twice over."* The shipped disposition is a code comment at
-`RuntimeAcceptedPositionDriveController.cs:812-824` saying *"not
-register-worthy on its own (no user-visible#-labeled symptom yet)"*. A
-symptom is not the threshold; a deviation is. Either thread the raw
-`AutonomyLevel` through (the exact port, and the constructor already
-takes two optional funcs so the marginal cost is one more) or add the
-row. A comment is not the register.
-
-### C.4 — R6: the corrected `enter_world` banner is now accurate
-
-Re-verified independently against the pseudo-C, not merely re-read:
-
-- `:93797` @0x004550EC and `:93824` @0x00455095 both sit inside
- **`SmartBox::HandleCreateObject` @0x00454C80**. ✓
-- `CObjectMaint::CreateObject` is invoked at @0x00454FD8 *inside* that
- function — a callee, not the enclosing scope. ✓
-- @0x004550EC is in the `if (arg3 != this->player_id)` **non-player**
- branch; only @0x00455095 follows `SmartBox::init_player` +
- `CellManager::ChangePosition` in the player branch. ✓
-- The load-bearing negative still holds: the `Position*` overload
- @0x00516310 has exactly those two callers and the `int` overload
- @0x00516170 is reached only from @0x00516327 — `enter_world` is not on
- the portal path.
-
-The banner now states all four facts correctly. This citation is safe for
-future sessions to cite.
-
----
-
-## §D — R4/A5: still open, and it does NOT block. Here is why the call changed.
-
-Round 1 rated this MAJOR on the premise (taken from contract §3.4) that
-the sink *"writes no pose"*, making the suffix the render entity's only
-mover. **That premise was wrong, and the A10 correction is right.** I
-verified `LiveEntityRuntime.TryApplyRuntimePlacementPlace`
-(`LiveEntityRuntime.cs:1386-1420`): a `Place` receipt calls
-`entity.SetPosition(projection.WorldPosition)`, sets `entity.Rotation`,
-sets `entity.ParentCellId = token.ExactCellId`, and calls
-`_spatial.RebucketLiveEntity` — `commitPose` defaults true and is passed
-`false` only for `WithdrawalRestored` (`:1364-1372`). The canonical
-receipt IS the mover; the suffix's writes are redundant repeats, exactly
-as the rewritten class comment now says. The comment is verified true.
-
-With that established, the coverage picture is materially different from
-round 1:
-
-- the sink's Place-receipt render-entity reframe + rebucket —
- **covered** (`RuntimePlacementPresentationSinkTests.Place_ReframesAndRebucketsExactSidecarWithoutMutatingRuntimePhysics`);
-- the sink's **portal gate discriminating** — **covered**
- (`PortalPlace_RequiresExactCurrentTransitHostAndSequence`, which drives
- a valid authority and a mismatched sequence);
-- the suffix's own entity write + destination bucket ordering —
- **covered** (the two `ConcretePlacement_*` tests, adapted to the new
- signature against a real `LiveEntityRuntime`/`WorldEntity`/`GpuWorldState`);
-- the **canonical body** pose and cell after an App-driven portal commit
- — **now covered**: the four weakened assertions were restored against
- `harness.Movement.Controller.Position`/`.CellId`, including A6's
- superseded-destination discriminator, and the App harness now runs a
- real Runtime rather than a fake placement.
-
-What remains uncovered is narrower than "the presentation suite was not
-built": no single test composes teleport-controller → canonical commit →
-real sink → suffix; the **local-player collision shadow** after a portal
-commit (#312's own layer) is unasserted; the T8 overwrite ordering is
-unasserted; and the refused-Place test asserts body/LoginComplete/IsActive
-but not the render entity.
-
-That is a genuine gap and it is #312-adjacent, so it must be recorded and
-closed in C5 — the implementer flagged it explicitly rather than claiming
-closure, which is the right behaviour. But it is no longer a
-"nothing asserts the only mover" hole, and it does not block this slice.
-
----
-
-## §E — new findings
-
-### N1 — MEDIUM — `PendingCount == 0` does not mean "the portal committed"; R1's failure mode survives on a narrow path
-
-`LocalPlayerTeleportController.cs:653-657`
-
-```csharp
-if (_awaitingDeferredWake)
-{
- if (_acceptedPositionDrive.PendingCount != 0)
- return false;
- _awaitingDeferredWake = false;
- _placementCommitted = true; // ← inference
- return true;
-}
-```
-
-and identically `HeadlessSessionWorldProjection.cs:818`
-(`committed = _acceptedPositionDrive.PendingCount == 0;`).
-
-`PendingCount` is `_pending is null ? 0 : 1`
-(`RuntimeAcceptedPositionDriveController.cs:330`) — a shared, arm-agnostic
-counter. Three `Advance` paths clear a **portal** pending, and only one
-of them commits:
-
-| `Advance` site | commits? | logs? |
-|---|---|---|
-| `:918` completed-wake, authority current | yes → `ReconcileAndAcknowledgePortal` | yes |
-| `:918` completed-wake, authority stale | body committed by `RetryDeferred`, **suffix skipped** | `AbandonedAtWake` |
-| `:973` **watch died** — "most likely a subsequent accepted Position's merge-time Forget" | **no** | **no line at all** |
-| `:1020` `!IsPlacementCurrent` on the prepare-retry | **no** | **no line at all** |
-
-On the last two the caller latches `_placementCommitted = true` for a
-placement that never happened: the sequencer is released, `Place` fires,
-`ObserveMaterialized` acks a materialization that did not occur, and the
-player is revealed at the **origin**. That is exactly R1's shape,
-re-entered through the deferred door.
-
-Reachability is genuinely low — both hosts now gate the attempt behind
-collision readiness (`_worldReveal.Evaluate(...).IsReady` graphically,
-`_collision.IsReady(...)` headless), so a park is rare — and the
-Runtime-layer test `PortalDeferredCell_WakeAbandonsInsteadOfReconcilingWhenAuthorityWentStale`
-proves at least one non-committing convergence exists
-(`Assert.Equal(0, drive.PendingCount)` with no reconcile). Nothing tests
-the caller's inference against it.
-
-The fix is small: have the drive report a portal-specific terminal
-outcome (it already distinguishes them well enough to log
-`AbandonedAtWake`) instead of the caller inferring commit from a shared
-counter. Also give the two silent branches a probe line — under D-T8 they
-are portal-arrival attempts that ended.
-
-### N2 — LOW/MEDIUM — headless `IsUnhydratable` is now hardcoded false
-
-`HeadlessSessionWorldProjection.cs:874` reports `IsUnhydratable: false`
-unconditionally, where it previously reported `!ready`. The old value was
-itself a conflation (not-yet-resident ≠ unhydratable), so this is not a
-regression in meaning — but headless can now never report an
-unhydratable destination, so a genuinely unhydratable claim spins in
-`PumpPortalCompletion` forever instead of taking AD-2's stated "loud
-unhydratable-placement path". Either derive the real predicate or state
-in the method's doc that headless does not model it.
-
-### N3 — MEDIUM — a transient headless condition is now fatal
-
-`HeadlessSessionWorldProjection.cs:854` throws `InvalidOperationException`
-on the `default:` arm, which covers **`NotApplicable`** as well as
-`Rejected`. `NotApplicable` is returned by
-`TryExecuteAcceptedPortalArrival` for `record.PhysicsBody is null` and
-for an active initial-Create residence
-(`RuntimeAcceptedPositionDriveController.cs:243-251`) — hydration-race
-conditions, not "the reveal is stale". The exception message asserts a
-diagnosis ("the reveal itself is stale or the local player has no
-canonical body, neither recoverable by waiting") that is true for
-`Rejected` and not established for `NotApplicable`.
-
-Refusing to fake success is right; converting a possibly-transient
-condition into a process-killing throw on the host that must survive
-K4's 30-session / two-hour endurance profile is the wrong end of that
-trade. Split the arm: throw on `Rejected`, treat `NotApplicable` as a
-retryable wait with a bounded attempt budget (or a loud log plus
-`IsCollisionReady: false`).
-
-### N4 — LOW — `RunsTeleportHook` over-gates the frame commit (§C.1)
-
-### N5 — LOW — the plan-doc correction contradicts itself
-
-`docs/plans/2026-08-02-placement-cutover.md` now opens *"This line was
-accurate for both halves at the time it was written"*, explains that
-route 3 added the consumer and producer together, and then closes with
-*"'Zero producing call sites; the adapter does not exist' was accurate
-only for the producer half"* — which contradicts the opening sentence.
-The substance is right (the type, `IsValid`, `Pending.Portal`, the sinks'
-gates and `BeginAcceptedPlacementCore`'s gate pre-dated route 3; the arm
-did not); the paragraph needs one pass so a future reader can cite it.
-
----
-
-## §E.2 — R8 residual
-
-`LogPortalArrivalAttempt` now fires on every Runtime-side exit under the
-gate's own `ACDREAM_PROBE_LOCAL_TELEPORT`, and a live `Contention`
-refusal was observed — R8's substance is closed and **§9's gate is now
-passable as specified**: `leash=armed` reads from
-`ConstraintManager.IsConstrained`, which `ConstrainTo` @0x00556240 sets
-unconditionally, so a committed arrival prints `armed`.
-
-Two App-side refusal causes still never reach Runtime and therefore emit
-no `[local-tp]` line: `cause=stale-reveal`
-(`LocalPlayerTeleportController.cs:666`, the `CanPlacePortalDestination`
-preflight) and `cause=host-token-unavailable` (`:737`). Both log through
-`PhysicsDiagnostics.LogTeleport`, gated by the *different*
-`ACDREAM_PROBE_TELEPORT`. Under the pinned gate environment these are
-invisible. Either route them through `LogLocalTeleportArrival` or add
-`ACDREAM_PROBE_TELEPORT=1` to §9's environment line.
-
----
-
-## §F — gate evidence
-
-- **Release build**: green, 0 warnings / 0 errors.
-- **`AcDream.Runtime.Tests`**: 1,164 passed / 0 failed / **0 skipped**.
-- **`AcDream.Headless.Tests`**: 85 passed / 0 failed / **0 skipped**.
-- **`LocalPlayerTeleportControllerTests`**: 21 passed / 0 failed / **0 skipped**.
-- No `Skip` attribute in any touched test file. No test weakened: the
- four round-1 weakenings were restored with stronger targets (the real
- canonical body rather than the deleted fake's captured argument), and
- three genuinely new discriminators were added (`RefusedPlace_…`,
- `PortalCommitted_UnderServerControlSendsNoMovementEvent`,
- `PortalDeferredCell_WakeAbandonsInsteadOfReconcilingWhenAuthorityWentStale`,
- plus the headless park test).
-- Per process rule 3, none of this is evidence of correctness — it is
- evidence that nothing regressed while the above holes remain.
-
----
-
-## §G — what must land to pass
-
-1. **N1** — stop inferring commit from `PendingCount`; report a
- portal-specific terminal outcome, and log the two silent
- non-committing `Advance` branches.
-2. **R7** — add the AD register row for the autonomy approximation, or
- thread the raw `AutonomyLevel` through and make it exact. Binding
- project rule; not an implementer judgment call.
-3. **N3** — do not throw on `NotApplicable`; split it from `Rejected`.
-
-Cheap follow-ups, non-blocking: N2, N4 (gate only the UnStick/UnConstrain/
-re-arm block on `RunsTeleportHook`), N5, and R8's two App-side causes.
-
-Record as a dated, named C5 item: R4/A5's residual — the end-to-end
-composition test, the local-player collision shadow after a portal
-commit, and the T8 overwrite ordering.
diff --git a/docs/research/2026-08-04-c4-route-3-retail-review.md b/docs/research/2026-08-04-c4-route-3-retail-review.md
deleted file mode 100644
index 140d453e..00000000
--- a/docs/research/2026-08-04-c4-route-3-retail-review.md
+++ /dev/null
@@ -1,515 +0,0 @@
-# C4 route 3 — retail-conformance review (2026-08-04)
-
-**Verdict: FAIL.**
-
-Reviewer scope: the uncommitted working-tree diff at HEAD `cd3129e9`
-(`git diff HEAD` + untracked), branch
-`claude/acdream-physics-divergence-5aa784`. Review only — no edits made.
-
-The retail *reading* in this slice is excellent. Every §1 claim in the
-pinned contract reproduces line-for-line in
-`docs/research/named-retail/acclient_2013_pseudo_c.txt` (§A below), both
-inversions are implemented in the right direction, the D-T3 duty map is
-complete, and the implementer's P1 finding on TransientState is not just
-correct — it retires a real pre-existing divergence.
-
-The slice fails on **what happens when the placement does not commit**.
-`TeleportAnimEvent.Place` is one-shot, so every non-`Committed` outcome
-silently skips the placement, the presentation suffix, and the
-materialization acknowledgement while the animation stream marches on to
-reveal the world and fire LoginComplete anyway. The headless host has the
-same hole with the extra property that it *asserts a materialization that
-did not happen*. Neither is covered by a test, because the App-layer
-presentation suite the contract made mandatory (§8 items 8/9/10, closing
-route 2's B2 gap) was not written — the existing App assertions were
-weakened instead. And the one probe field the connected gate keys on
-(`leash=armed`) can never be true as coded.
-
----
-
-## Findings
-
-### R1 — MAJOR — `TeleportAnimEvent.Place` is one-shot; there is no re-attempt driver, and the reveal completes anyway
-
-`src/AcDream.Core/World/TeleportAnimSequencer.cs:136-141`
-
-```csharp
-case TeleportAnimState.Tunnel:
- if (worldReady)
- {
- evts.Add(TeleportAnimEvent.Place);
- Advance(TeleportAnimState.TunnelContinue, enterTunnel: false);
-```
-
-The state advances in the **same tick** the event is emitted. `Place`
-never fires again for that reveal.
-
-`src/AcDream.App/Streaming/LocalPlayerTeleportController.cs:505-522`
-
-```csharp
-case TeleportAnimEvent.Place:
- if (!_worldReveal.CanPlacePortalDestination(...)) return;
- if (!TryExecuteCanonicalPortalPlacement(sequence)) return; // :513
- ...
- _placement.Place(_pendingRotation); // :517
- ...
- _worldReveal.ObserveMaterialized(...); // :520
-```
-
-`TryExecuteCanonicalPortalPlacement` returns `true` **only** on
-`RuntimeAcceptedPositionExecutionStatus.Committed`
-(`LocalPlayerTeleportController.cs:597-598`). Every other status —
-`Contention`, `Rejected`, `NotApplicable`, and notably `DeferredCell` —
-returns `false` and the `Tick` returns.
-
-Consequences, all reachable:
-
-- `_placement.Place` never runs → no `entity.SetPosition` /
- `ParentCellId` / `RebucketLiveEntity`, no `NotifyTeleported()`, no
- camera reset, no `_spatial.Reconcile()`.
-- `_worldReveal.ObserveMaterialized` never runs →
- `RuntimeWorldTransitState.AcknowledgePortalMaterialized` never fires →
- `Materialized` stays false.
-- The **next** tick still advances the sequencer:
- `TunnelContinue` → `TunnelFadeOut` → `PlayExitSound`
- (`RevealWorldViewport`) → `WorldFadeIn` → `FireLoginComplete`
- (`_mode.EnterWorld()` + `SendLoginComplete()` + `_worldReveal.Complete()`
- + `ResetTransit`).
-- `RuntimeWorldTransitState.Complete` then trips
- `FailInvariant("portal-complete-before-materialized")`
- (`RuntimeWorldTransitState.cs:701-706`) and returns `false`;
- `WorldRevealCoordinator.Complete()` (`:268-276`) **discards** that
- `false`. `ResetTransit(clearSession:false)` then calls
- `_transit.EndTeleport()` + `_worldReveal.Cancel()`, so the ledger
- converges — but the reveal is recorded cancelled, not completed, with
- one invariant failure logged.
-
-User-visible outcome on `Contention`/`Rejected`: the player is revealed
-into the destination world **standing at the origin position**, with
-LoginComplete sent. On `DeferredCell`: the body commits later at the
-collision-generation wake (`Advance` → `ReconcileAndAcknowledgePortal`),
-but the presentation suffix, camera reset, rebucket, and materialization
-ack are gone forever.
-
-This is exactly what contract §4 items 4 and 5 forbid ("a refused
-placement must NOT … must not advance the anim-event stream's terminal
-events"; "never a half-state", "never a silent wedge in portal space")
-and it is the D-T5/P4 obligation the contract flagged in advance: *"if
-the Place anim event is one-shot, the re-attempt must be driven by the
-same Tick predicate that produced it, and THAT mechanism must be stated
-in the commit."* It is one-shot, and no mechanism was added.
-
-The comment shipped in its place is false. `LocalPlayerTeleportController.cs:566-572`:
-
-> "On any refusal this returns `false` without mutating anything — the
-> D-T5 refusal shape: … the transit's own cancellation/supersession
-> machinery is the authority on what happens next."
-
-The transit is not the authority on what happens next. The animation
-sequencer is, and it does not wait.
-
-**Correct behaviour:** either re-drive the Place edge from the same
-`ready`-gated Tick predicate until it commits (holding the sequencer in
-`Tunnel` — which is what retail's `blocking_for_cells` hold is), or
-cancel the reveal explicitly on refusal so the player is never revealed
-without a committed placement. Retail has no third option: it places
-unconditionally and immediately (`SmartBox::TeleportPlayer` @0x00453910)
-and only the *simulation* waits on prefetch.
-
----
-
-### R2 — MAJOR — headless discards the arm's status and acknowledges a materialization that did not happen
-
-`src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs:775`
-
-```csharp
-_ = _acceptedPositionDrive.TryExecuteAcceptedPortalArrival(
- destination,
- authority);
-```
-
-The status is dropped on the floor. `PrepareDestination` then
-unconditionally returns a ready readiness report, and
-`RuntimeLiveEntitySessionController.TryCompletePortal` continues its
-fully-synchronous suffix: `AcknowledgeDestinationReadiness` →
-`AcknowledgePortalMaterialized` → `SimulationReleaseProjected` →
-`Complete` → `SendGameAction(LoginComplete)` → `EndTeleport`.
-
-So on any refusal or park, the headless host **fires
-`AcknowledgePortalMaterialized` for a placement that never committed** —
-contract §4 item 5 and D-T5 rows 1/2 both state in terms that the
-materialization ack must fire only from the committed outcome. The bot
-reports a completed teleport while standing where it started, with no
-log line of any kind (see R8).
-
-Retail contradiction is indirect but real: retail's
-`SmartBox::PlayerPositionUpdated` @0x00453870 clears
-`waiting_for_teleport` **inside the same call that performed
-`SetPositionSimple`** (@0x00453924 → @0x0045389A). The "wait is over"
-edge is downstream of the placement in retail; here it can precede a
-placement that never occurred.
-
----
-
-### R3 — MAJOR — the D-T8 probe's `leash` field can never read `armed`; the connected gate as pinned is unpassable
-
-`src/AcDream.Runtime/Session/RuntimeAcceptedPositionDriveController.cs:694`
-
-```csharp
-leashArmed: controller.PositionManager?.IsFullyConstrained() ?? false,
-```
-
-Retail `ConstraintManager::IsFullyConstrained` @0x005560D0 is
-`constraint_distance_max * 0.9 < constraint_pos_offset` — "has strained
-past 90 % of the leash", the predicate `jump_is_allowed` reads. It is not
-"is the leash armed". The acdream port says so explicitly
-(`src/AcDream.Core/Physics/Motion/ConstraintManager.cs:79-89`).
-
-Retail `ConstraintManager::ConstrainTo` @0x00556240 (pseudo-C
-:353528-353537) ends with
-`constraint_pos_offset = Position::distance(anchor, physics_obj->m_position)`;
-acdream mirrors it at `ConstraintManager.cs:65-71`. Because
-`RearmConstraintLeashAtCurrentPosition`
-(`PlayerMovementController.cs:1836-1845`) anchors at the body's **own**
-`CellPosition`, that distance is 0. `max * 0.9 < 0` is false.
-
-Therefore every committed portal arrival prints `leash=unarmed`. The
-contract's §9 pass criterion — *"Pass requires ALL of … `leash=armed`"* —
-cannot be met, and a future reader hitting `leash=unarmed` would chase a
-phantom missing leash (the exact 4b-3 A1 defect class the contract
-warned about, inverted).
-
-The correct observable is `ConstraintManager.IsConstrained`, which the
-Runtime test itself uses
-(`RuntimeAcceptedPositionDriveControllerTests`,
-`Assert.True(controller.PositionManager.Constraint!.IsConstrained)`).
-`PositionManager` does not currently surface it; it needs to.
-
----
-
-### R4 — MAJOR — the mandatory App-layer presentation suite is missing, and the existing App assertions were weakened
-
-`tests/AcDream.App.Tests/Streaming/LocalPlayerTeleportControllerTests.cs`
-gained **zero** new `[Fact]`s. All five new tests in the diff are in
-`tests/AcDream.Runtime.Tests/Session/RuntimeAcceptedPositionDriveControllerTests.cs`.
-
-What changed in the App file is assertion *strength*, downward:
-
-```diff
-- Assert.Equal(new Vector3(7f, 8f, 9f), harness.Placement.Position);
-+ Assert.True(harness.Placement.Called);
-```
-
-(and the same substitution at eight further sites). The interface change
-makes the literal old assertion impossible, which is fine — but the
-contract required the replacement coverage and named it as load-bearing:
-
-- §8 item 8: "after a committed portal placement through the REAL sink +
- suffix, the render `WorldEntity` position/rotation/`ParentCellId` equal
- the resolved body, the draw bucket moved, the local-player shadow
- agrees, and the sink's Place receipt was consumed with a VALID portal
- authority … **route 2's B2 coverage gap … becomes load-bearing here and
- MUST close**."
-- §8 item 9: the T8 overwrite ordering (wire pose then resolved pose).
-- §8 item 10: refused Place edge presentation.
-
-None exist. Since `RuntimePlacementPresentationSink.TryPublishPlace`
-writes no pose (contract §3.4, re-confirmed), the suffix in
-`LocalPlayerTeleportPlacement.Place` is now the render entity's **only**
-mover — and nothing asserts it moves the entity to the resolved pose.
-Combined with R1 (where that suffix is skipped entirely on refusal), this
-is the #312 shape verbatim: process rule 4, "tests must assert the layer
-that broke."
-
----
-
-### R5 — MAJOR — headless dual-host parity (§8 item 6, D-T6) has no coverage, self-declared open
-
-`tests/AcDream.Headless.Tests/HeadlessSessionHostTests.cs:413-422`
-(added in this diff):
-
-> "no accepted-position drive controller is wired into this fixture's
-> projection … so the canonical portal arm this method now calls is a
-> no-op here by construction (`_acceptedPositionDrive` is null) … a
-> headless-host-specific committed-portal test is an open item, not
-> attempted here given this session's time budget."
-
-D2 (`ResynchronizeLocalPlayerForPortalArrival`, ~40 non-comment lines and
-AD-42's last citation) was deleted and its replacement has **zero**
-headless test coverage. D-T6 pinned this: *"dual-host parity is a test
-obligation, not an aspiration."* The honest disclosure is appreciated and
-does not change the finding.
-
-Related, and unremarked in the diff: the deleted method also performed
-`controller.LocalEntityId = record.LocalEntityId ?? 0u`. Verified safe —
-`RuntimeLocalPlayerPhysicsPublicationState.cs:214` sets it at publication
-and the entity key is stable across a portal — but the drop deserves a
-line in the commit message.
-
----
-
-### R6 — MEDIUM — the `enter_world` caller-sweep correction mis-states the retail record it is correcting
-
-`docs/research/2026-07-16-portal-completion-pseudocode.md` §2.1 banner:
-
-> "a caller sweep … shows both `CPhysicsObj::enter_world` call sites
-> living inside `CObjectMaint::CreateObject`'s player branch
-> (`SmartBox::init_player` + `CellManager::ChangePosition` immediately
-> precede it)"
-
-Verified independently. The two call sites are pseudo-C :93797
-(@0x004550EC) and :93824 (@0x00455095). Both live inside
-**`SmartBox::HandleCreateObject` @0x00454C80**, not
-`CObjectMaint::CreateObject` — the latter is merely a *callee* at
-@0x00454FD8 inside that same function. And they are **not both in the
-player branch**: @0x004550EC is in the `if (arg3 != this->player_id)`
-NON-player branch (`PhysicsDesc::get_position` → `enter_world(var_bc, …)`
-for a newly created remote object); only @0x00455095 sits in the player
-branch after `init_player` + `ChangePosition`.
-
-The load-bearing NEGATIVE is **CONFIRMED**: the `Position*` overload
-@0x00516310 has exactly those two callers, the `int` overload @0x00516170
-is reached only from @0x00516327, and neither is on the portal path.
-`SmartBox::TeleportPlayer` → `SetPositionSimple` is correct.
-
-But this banner is explicitly a correction to the retail record that
-future sessions will cite, and it is wrong in two of its three factual
-clauses. Same defect class as "a register row asserting behaviour the
-code does not have," applied to a research doc — the exact reason the
-contract ordered the correction in-slice.
-
----
-
-### R7 — MEDIUM — retail's post-teleport movement refresh is autonomy-gated; acdream's is not
-
-Contract open question (c), answered.
-`CommandInterpreter::SendMovementEvent` @0x006B4680 (pseudo-C
-:700274-700313):
-
-```
-if ((player != 0 && this->smartbox != 0) && CPhysicsObj::InqRawMotionState(player) != 0)
- if (this->autonomy_level != 0)
- MoveToStatePack::MoveToStatePack(...)
- SendMoveToStateEvent(...)
-```
-
-Two gates: a non-null raw motion state, and **`autonomy_level != 0`**.
-Under server control retail sends nothing.
-
-`RuntimeAcceptedPositionDriveController.cs:678-681` calls
-`_localPlayerOutbound.TrySendMovement(...)` unconditionally;
-`LocalPlayerOutboundController.TrySendMovement:187-229` gates only on a
-resolvable outbound position. The controller already holds
-`UsePositionFromServer` (retail's `UsePositionFromServer()`), and
-`_usePositionFromServer` is already a field on this very class — the
-autonomy fact is in scope.
-
-Everything else about the port checks out: the message family is
-`MoveToState` (retail packs `InqRawMotionState` into `MoveToStatePack`),
-the contact byte is `Contact && OnWalkable` in both, exactly one is sent,
-and no `AutonomousPosition` goes out (retail's teleport branch returns
-before `SendPositionEvent` — verified at @0x004541C0). Order is right:
-`CommitCanonicalTeleportFrame` (hook tail) → `CancelAutoRun` →
-movement send, matching @0x004538AE → @0x004538B3 → tail-jump.
-
-Either add the autonomy gate or file the delta as a register row.
-
----
-
-### R8 — MEDIUM — D-T8 emits one line per *committed* arrival, not per attempt; refusals are invisible under the pinned gate environment
-
-`PhysicsDiagnostics.LogLocalTeleportArrival` is called from exactly one
-site, `ReconcileAndAcknowledgePortal`
-(`RuntimeAcceptedPositionDriveController.cs:687-696`), reached only on
-`CommittedHostAcknowledgementPending`. Its `placementStatus` argument is
-the literal `"Committed"`.
-
-The graphical refusal path logs via `PhysicsDiagnostics.LogTeleport`
-(`LocalPlayerTeleportController.cs:582-583`, `:598-599`), which is gated
-by **`ACDREAM_PROBE_TELEPORT`** (`PhysicsDiagnostics.cs:1160-1161`) — a
-different env var from the `ACDREAM_PROBE_LOCAL_TELEPORT` the gate pins.
-The headless refusal path logs nothing at all (R2).
-
-Net: with the contract's pinned gate environment, a refusal produces zero
-output on either host. D-T8 specified "One line per portal-arrival
-attempt: cause … placement status", and §9 requires "zero
-`Refused`/`Contention` lines in ordinary play" — unobservable as built.
-Given R1, an unobserved refusal is precisely the failure that would ship.
-
----
-
-### R9 — LOW — stale directional reference in a comment added by this diff
-
-`src/AcDream.App/Streaming/LocalPlayerTeleportController.cs:775`:
-"TryBeginPortal (below) drives …". `_worldReveal.TryBeginPortal` is
-called **above** this comment, at `:741`, in the same method. Process
-rule 6.
-
-### R10 — LOW — `AD-131` does not exist
-
-`src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2292`
-cites "AD-2/AD-131/#275". The AD section has 48 rows. The row is
-**AP-131** (`docs/architecture/retail-divergence-register.md:283`), which
-is what the contract itself says. Introduced by this diff, in the very
-comment the slice rewrote to fix a stale comment.
-
-### R11 — LOW — the probe asserts more than it observes
-
-`RuntimeAcceptedPositionDriveController.cs:693-695` hardcodes
-`hookTailRan: true` and `autorunCancelled: true`.
-`RuntimeLocalPlayerMovementState.CancelAutoRun():226-234` returns `false`
-when autorun was already off (correctly mirroring retail's
-`SetAutoRun` @0x006B4850, which acts only on a state *change* at
-@0x006B4871). The field reports the action ran, not the state changed —
-report the returned bool.
-
----
-
-## §A — retail claims verified independently (do not re-derive)
-
-All against `docs/research/named-retail/acclient_2013_pseudo_c.txt`.
-
-| claim | where | result |
-|---|---|---|
-| `SmartBox::TeleportPlayer` @0x00453910 = `SetPositionSimple(player, dest, 1)` @0x00453924 + `PlayerPositionUpdated(this, 1, FLT_MAX)` @0x00453932, nothing else | :92514-92523 | **CONFIRMED** — the generic path, route 2's exact primitive, third route running |
-| `PlayerPositionUpdated` teleport arm order: `position_update_complete=0` @0x00453890, `waiting_for_teleport=0` @0x0045389A, `has_been_teleported=0` @0x004538A4, `teleport_hook` @0x004538AE, `cmdinterp->PlayerTeleported()` @0x004538B3, `set_viewer` @0x004538D5, `LScape::update_viewpoint` @0x004538E2, `CellManager::ChangePosition` @0x00453903 | :92469-92509 | **CONFIRMED**, exactly the contract's order |
-| `CommandInterpreter::PlayerTeleported` @0x006B32B0 = `SetAutoRun(0,1)` + tail-jump `SendMovementEvent` | :699036-699041 | **CONFIRMED**. New: `SetAutoRun` @0x006B4850 only acts when `(arg2==0) != (auto_run==0)` (@0x006B4871) — acdream's `CancelAutoRun` early-return matches |
-| **Inversion A** — local TELEPORT branch @0x0045415F: `TeleportPlayer(&var_48)` @0x00454168 → `ConstrainTo(arg2, &var_48, start, max)` @0x0045418A → `set_velocity(player, {0,0,0}, 1)` @0x004541B4 → return | :93013-93023 | **CONFIRMED**, including the WIRE-destination anchor |
-| FORCE_POSITION branch returns @0x0045409D before every `ConstrainTo` | :92925-92933 | **CONFIRMED** — route 2's no-re-arm rule intact and correctly left force-scoped |
-| **Inversion B** — the local hook runs AFTER the placement (from `PlayerPositionUpdated`), opposite to the remote arm's @0x005163EF | :92497 vs 4b-3's citation | **CONFIRMED** |
-| `enter_world` is NOT on the portal path | :93797, :93824 | **NEGATIVE CONFIRMED** — but the attribution in the new correction banner is wrong; see R6 |
-| **P1 (TransientState not re-seeded)** — retail `CPhysicsObj::SetPositionInternal(CTransition*)` @0x00515330 derives Contact from `collision_info.contact_plane_valid` @0x00515430, WaterContact from `contact_plane_is_water` @0x00515453, OnWalkable from `set_on_walkable(contact_plane.N.z vs floor_z)` @0x00515467-0x0051548E, Sliding from `sliding_normal_valid` @0x005154E1. **No unconditional `Contact\|OnWalkable` seed anywhere.** | :283484-283519 | **THE FINDING IS CORRECT AND IS A FIDELITY GAIN.** `PhysicsObjUpdate.CommitSetPositionContactPrefix` (`src/AcDream.Core/Physics/PhysicsObjUpdate.cs:154-176`) is that exact port, and runs inside the canonical commit (`RuntimeSetPositionState.cs:5038`). The old `SetPositionCore` seed (`PlayerMovementController.cs:1859-1862`) was the divergence; dropping it is right. The `Active` argument also holds — `PlayerMovementController.cs:2069` and `:2449` re-set it every frame. |
-| `ConstraintManager::ConstrainTo` @0x00556240 initializes `constraint_pos_offset = distance(anchor, m_position)` | :353528-353537 | **CONFIRMED** — acdream matches; also the basis for R3 |
-| `CommandInterpreter::SendMovementEvent` @0x006B4680 is autonomy-gated | :700274-700313 | **CONFIRMED** — see R7 |
-
-## §B — implementation facts verified correct
-
-- **D-T3 duty map (P1) is complete.** All nine `SetPositionCore` duties
- land in `CommitCanonicalTeleportFrame`
- (`PlayerMovementController.cs:1993-2041`) or the canonical commit, in
- `SetPositionCore`'s own order (StopCompletely → input/mouse resets →
- UnStick/UnConstrain/re-arm → edge resets → clock reset). Nothing
- silently dropped except the TransientState seed, which is correct
- (§A).
-- **Inversions implemented in the right directions.** The portal arm
- consumes the classifier's dormant LocalPlayer-teleport branch
- (`RuntimeAuthoritativePositionRouteClassifier.cs:336-356`) unchanged;
- `ConstrainPhase.AfterPositionOperation` + `ZeroVelocity: true` +
- `SendPositionImmediately: false` + `TeleportHookPhase.AfterPositionOperation`
- all flow through. The hook tail runs only from the committed receipt.
-- **The force arm is untouched.** The only route-2 edits are one
- force-scoping doc sentence (`:133-137`) and a non-`required`
- `Portal { get; init; }` on `Pending` that defaults empty. Zero route-2
- test expectation changes — §4 item 8's tripwire is clean.
-- **The synthetic `priorTeleport = accepted - 1`** in
- `ClassifyPortalArrival` is sound: `TeleportAdvanced` reads only the
- boolean `PhysicsTimestampGate.IsNewer(prev, accepted)`, the branch's
- resulting route does not depend on the previous stamp's magnitude, and
- wrap is safe at `accepted == 0`.
-- **AD-42 deleted** (row gone, header 49 → 48 rows), **AD-2 amended in
- place** with the deferred-place timing, the T8 tolerated-overwrite
- note, and the leash-anchor nuance. Plan gap-line correction present.
- Register rules satisfied.
-- **Release build green.** Focused
- `RuntimeAcceptedPositionDriveControllerTests`: 22 passed / 0 failed /
- **0 skipped**. No `Skip` attribute remains in any of the four touched
- test files, and no Runtime test was weakened — the five new ones are
- strong (the happy path pre-arms the leash at a *stale* anchor so a
- missing re-arm fails the `ConstraintPos` assertion; the refusal tests
- assert positive "nothing moved, transit still active, no packets"
- facts).
-
-## §C — the production bug fix: correct, complete, no stale-destination hazard
-
-Verified. `RuntimeWorldTransitState.TryBeginPortalReveal:159-182` sets
-`_hasAcceptedDestination = false` and `_acceptedDestination = default`
-the instant it claims the generation, and
-`TryGetAcceptedTeleportDestination:522-527` returns
-`_teleportActive && _hasAcceptedDestination`. So the pre-fix Place-time
-re-read was **guaranteed** to fail — the canonical portal arm was 100 %
-dead code, refusing with `cause=host-token-unavailable` before ever
-reaching Runtime. The diagnosis is right and this was a real production
-bug, not a fixture artifact.
-
-The fix is the right lifetime:
-
-- `_pendingDestination` is written in `AimDestination:781-784`, in the
- same statement block as `_pendingCell`/`_pendingRotation`, only after
- `TryBeginPortal` succeeded (`:741-748`) — so the four Aim-time
- snapshots are mutually consistent by construction.
-- **Cancellation:** `ResetTransit:801-804` clears all four; every
- cancellation path funnels through it.
-- **Supersession:** a second accepted destination re-enters
- `TryAimAcceptedDestination` → `AimDestination` →
- `WorldRevealCoordinator.TryBeginPortal` → `WithdrawHostForReplacement`
- + a **new** generation, overwriting all four snapshots together. A
- superseded destination cannot survive.
-- **Staleness at Place:** three independent gates still validate —
- `CanPlacePortalDestination(_pendingRevealGeneration, sequence, _pendingCell)`
- (`:507-511`), the idempotent
- `TryRegisterHostProjection` re-derivation (generation ==
- `_snapshot.Generation`, cell == `_snapshot.DestinationCell`,
- `!Cancelled`, `!Completed` — `RuntimeWorldTransitState.cs:189-227`),
- and `BeginAcceptedPlacementCore`'s own
- `portal.Projection.DestinationCell == acceptedPosition.LandblockId`
- against the **latest merged** snapshot
- (`RuntimeSetPositionState.cs:1528-1534`).
-
-The re-read was protecting nothing. `WorldRevealCoordinator.BeginHostLifetime`
-throws if the Aim-time registration fails, so the Place-time
-re-derivation is genuinely idempotent and can never mint a second host
-projection in production.
-
-## §D — contract open questions, answered
-
-**(b) leash anchor — keep the resolved anchor as shipped.** Retail's
-`constraint_pos` is write-only (never read by `adjust_offset`, confirmed
-in the port's own doc at `ConstraintManager.cs:41-44` and against ACE);
-the only downstream consumer of `ConstrainTo`'s inputs is
-`constraint_pos_offset = distance(anchor, m_position)`, which is the
-placement adjustment (centimetres) in retail and exactly 0 in acdream.
-Both are orders of magnitude inside the `0.9 * max` band, so no behaviour
-in the leash's brake taper can distinguish them. The AD-2 note is the
-right disposition; do **not** switch anchors.
-
-**(c) `SendMovementEvent` shape — see R7.** Message family, contact
-derivation, count, and ordering are all correct; the missing
-`autonomy_level` gate is the one delta.
-
-## §E — errors in the contract itself
-
-1. **§4 item 3 / D-T5's re-attempt reasoning is the proximate cause of
- R1.** D-T5 offered "the anim event re-fires while `ready` holds" as
- the leading case and demoted the one-shot case to a parenthetical
- verify-and-state. It is one-shot. The contract should have read the
- sequencer before writing the row and pinned the driver. This is
- process rule 1 ("the contract causes the defect") recurring for the
- third documented time.
-2. **§9's `leash=armed` criterion is unachievable** with any
- `IsFullyConstrained`-shaped observable; the contract should have named
- `ConstraintManager.IsConstrained`. See R3.
-3. **§3.5 overstates the change:** "`AcknowledgePortalMaterialized` fires
- from the committed placement receipt instead of rubber-stamping after
- a host mutation." As built it still fires from the host Place edge,
- merely gated on a committed status. Substantively equivalent on the
- commit path; wording should be corrected so a future reader does not
- look for a receipt-driven ack that does not exist.
-4. **§1's `enter_world` row** carries the same wrong caller attribution
- the banner does (R6) — it says "its local-player caller is the initial
- login path only (@0x00455095)", which is right about that site but
- silently drops the *other* site @0x004550EC and mis-names the
- enclosing function in the derived correction.
-
-## What must land before this can pass
-
-1. A re-attempt (or explicit-cancel) mechanism for a non-`Committed`
- Place edge, with the driver named and tested — R1.
-2. Headless must consume the arm's status and must not acknowledge a
- materialization for a placement that did not commit — R2.
-3. Fix the probe's `leash` observable (and emit a line per *attempt*,
- under the gate's own env var) — R3, R8.
-4. Write the App-layer presentation suite (§8 items 8/9/10) closing route
- 2's B2 gap, plus one headless committed-portal test — R4, R5.
-5. Correct the `enter_world` caller-sweep banner — R6.
-6. Gate the movement refresh on autonomy, or file the register row — R7.
-7. Comment/citation cleanups — R9, R10, R11.
diff --git a/docs/research/2026-08-04-c4-route-3-scoping.md b/docs/research/2026-08-04-c4-route-3-scoping.md
deleted file mode 100644
index 8920c932..00000000
--- a/docs/research/2026-08-04-c4-route-3-scoping.md
+++ /dev/null
@@ -1,600 +0,0 @@
-# C4 route 3 — portal / local-player placement: SCOPING (2026-08-04)
-
-**This is scoping, not a pinned contract.** Verified at HEAD **`cff52c44`**, branch
-`claude/acdream-physics-divergence-5aa784`, clean tree. Line numbers are
-as-of-HEAD and will go stale; every citation also names the symbol — trust the
-symbol (process rule 6).
-
-**Route 3 is NOT a bug fix.** Portalling works today — `/ls`, spell recalls,
-portal use, and admin teleports all place correctly and are user-accepted
-behaviour. Route 3 removes a **duplicate placement authority**: the local
-player's portal arrival is committed by two host-owned hand copies
-(`LocalPlayerTeleportPlacement.Place` in App,
-`ResynchronizeLocalPlayerForPortalArrival` in Headless) instead of the one
-canonical Runtime SetPosition transaction every other C4 route now uses.
-Nobody should read this document as "portals are broken".
-
-Route 3 is the LAST C4 route. Routes 1 (C3a-c), 2 (`9966b531`), 4a, 4b-1/2/3,
-5 (`36255af0`), and 6 (zero production lines, `1b484937`) are landed; route 7
-is scoped with its research blocker resolved
-(`2026-08-04-retail-child-cell-ownership.md`).
-
-Inputs verified for this scoping: the campaign plan
-(`docs/plans/2026-08-02-placement-cutover.md`), the 2026-08-02 route inventory
-(**dated — §3 below lists what is now false**), the route-5 contract + its
-round-3 reviews (the current contract standard), the 4b-3 contract's 13
-invariants, `claude-memory/project_portal_space.md`, the J6.2/J6.3 closeouts,
-the six process rules in `2026-08-04-session-handoff-c4-remaining.md`, and
-direct reads of every file cited below plus the retail pseudo-C.
-
----
-
-## 1. Headline findings
-
-1. **The campaign plan overstates what is missing.** Plan line ~92-93 says
- "`RuntimePortalPlacementAuthority` has zero producing call sites; the
- adapter from `RuntimeWorldTransitState` does not exist." The first half is
- still true — zero production producers, confirmed by exhaustive read of
- every `Begin*`/`TryPrepareAndSubmit*` call site (§4). The second half is
- now HALF-false: the **consumption/validation side of the adapter exists
- and is LIVE production code**, exercised (with an empty portal) by every
- placement in the game:
- - `RuntimeWorldTransitState.IsCurrentPlacementAuthority`
- (`RuntimeWorldTransitState.cs:258-275`) — generation + sequence + cell +
- host-token + not-superseding check;
- - `RuntimePlacementPresentationSink.TryApply`
- (`src/AcDream.App/World/RuntimePlacementPresentationSink.cs:100-106`) —
- every graphical `Place` receipt is already gated on it;
- - `HeadlessRuntimePlacementProjectionSink.TryApply`
- (`src/AcDream.Headless/Hosting/HeadlessRuntimePlacementProjectionSink.cs:100-121`)
- — the headless twin;
- - `LiveEntityRuntime.IsValidPortalPlacementAuthority`
- (`src/AcDream.App/World/LiveEntityRuntime.cs:1448-1457`) — token-shape
- validation inside every projection-record lookup;
- - `RuntimeSetPositionState.BeginAcceptedPlacementCore:1528-1534` — Begin
- refuses a non-empty portal unless kind is `LocalAuthoritative` AND the
- authority's destination cell equals the record's accepted-position
- landblock;
- - the portal authority is threaded through the whole pipeline already:
- `RuntimeSetPositionCommand.Portal` (`:128`),
- `RuntimeSetPositionMoverPreparation.Portal`
- (`RuntimeSetPositionMoverPreparation.cs:121`, consistency-checked in
- `TryBuild:146`), `Operation.Portal` (`:433`), and
- `RuntimePlacementProjectionToken.Portal` (`:250`, a REQUIRED positional
- on every projection token).
-
- **What is actually missing is only the producer**: nothing constructs a
- `RuntimePortalPlacementAuthority` with `Present: true` (grep: zero in
- `src/`; three test constructors), and no portal arrival drives a Runtime
- placement at all. That makes route 3 materially smaller than the plan's
- phrasing implies.
-
-2. **Retail's local portal arrival is the GENERIC path — the pattern from
- routes 2 and 5 holds a third time** (§5). `SmartBox::TeleportPlayer`
- @0x00453910 is two calls: `CPhysicsObj::SetPositionSimple(player, dest, 1)`
- — the EXACT primitive route 2 already routed through Runtime's
- `CommitCanonical` for ForcePosition, flags 0x1012 — and
- `SmartBox::PlayerPositionUpdated(this, 1, FLT_MAX)`. There is no dedicated
- local portal placement path to port; the work is wiring, ordering, and the
- post-placement suffix.
-
-3. **The classifier's LocalPlayer+TeleportAdvanced route is fully modeled and
- steady-state dead** (`RuntimeAuthoritativePositionRouteClassifier.cs:349-368`):
- `SetPositionSimple` + `AuthoritativeTeleportFlags` + hook
- `AfterPositionOperation` + constrain `AfterPositionOperation` +
- `ZeroVelocity: true` + `SendPositionImmediately: false` — matching the
- retail listing exactly (§5). Its only production caller today is the
- initial-create continuation executor inside the residence window; route 3
- would be its first steady-state producer.
-
-4. **#280 is mechanically distinct from route 3 and must SPLIT** (§7).
-
----
-
-## 2. Site inventory at HEAD (re-verified, not inherited)
-
-### 2.1 The duplicate authorities to replace (both hosts)
-
-| # | site (symbol) | at HEAD | what it does |
-|---|---|---|---|
-| D1 | `LocalPlayerTeleportPlacement.Place` | `src/AcDream.App/Streaming/LocalPlayerTeleportController.cs:214-278` (class `:183-290`) | The graphical duplicate authority, intact and essentially as the 2026-08-02 inventory described plus the 2026-07-25 rebucket fix: `_physics.Resolve(pos, cell, 0, StepUpHeight)` `:219` → `controller.SetPosition` `:230` (which runs the whole teleport tail in `SetPositionCore`, see 2.4) → direct `entity.SetPosition/ParentCellId/Rotation` `:242-244` → `RebucketLiveEntity` (throws on failure) `:254` → `_host.Host?.NotifyTeleported()` `:264` → `SetBodyOrientation` `:265` → camera resets `:267-268` → `_spatial.Reconcile()` `:269`. No Runtime transaction, no receipt, no portal authority. |
-| D2 | `HeadlessSessionWorldProjection.ResynchronizeLocalPlayerForPortalArrival` | `src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs:788-836` | The headless duplicate authority — the old `SynchronizeLocalPlayer` body, SURVIVING ONLY FOR THIS ROUTE (its own doc at `:779-787` says "TODO-C4 (route 3)"): `CenterOn` → `Physics.Engine.Resolve(wire, lb, 0, 100f)` `:810` → `Engine.ResolvePlacement(0.48f/1.835f, IsPlayer\|EdgeSlide)` `:816` → `controller.SetPosition` `:831` → `SetBodyOrientation` `:835`. Called from `PrepareDestination:757-762`. |
-
-### 2.2 The drive machinery (graphical)
-
-| site | at HEAD | note |
-|---|---|---|
-| `LocalPlayerTeleportController` (drive) | `LocalPlayerTeleportController.cs:385-789` | `OnTeleportStarted:436-459` (F751 → `TryQueueTeleportStart`); `OfferDestination:461-470`; `Tick:472-570` — readiness = destination + `!IsRecenterPending` + `_worldReveal.Evaluate(cell).IsReady`; on `TeleportAnimEvent.Place`: `CanPlacePortalDestination` preflight `:514` → `_placement.Place` `:521` → `ObserveMaterialized` `:527` (**still a rubber-stamp AFTER the mutation** — the inventory's structural claim holds); `PlayExitSound` → `RevealWorldViewport`; `FireLoginComplete` → `EnterWorld` + `SendLoginComplete` + `Complete`. |
-| destination offer | `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2950-2957` (was `:1906-1913`) | Last statement of `OnPosition`: `Apply` disposition + local guid → `_localPlayerTeleport.OfferDestination(FromAcceptedPosition(update), timestamps.TeleportAdvanced)`. No placement runs for a local Apply anywhere in `OnPosition` (route 2's ForcePosition drive at `:2014-2071` is disposition-exclusive with it). |
-| `WorldRevealCoordinator` | `src/AcDream.App/Streaming/WorldRevealCoordinator.cs` (574 lines) | Holds the current `RuntimeWorldHostProjectionToken` PRIVATELY in `_hostProjections` (`:40-62`, `FindCurrentHostProjection:516`); `TryBeginPortal:117-149` mints generation + registers the host projection. **The producer needs read access to this token (or re-derives it via the transit's idempotent `TryRegisterHostProjection`)** — a small exposure decision for the contract. |
-| local generic render-pose write | `LiveEntityNetworkUpdateController.cs:2284-2289` + `:2314` | **Live finding, verified against the code (the comment at `:2276` is stale):** `TryApplyGenericRemoteRenderPose(entity, null, …)` gate is `OwnsSteadyState(route)` (`:1037-1052`) which is FALSE for the local player's null route — so every accepted local Apply, including the portal DESTINATION Position, writes the raw wire pose onto the local player's `WorldEntity` and rebuckets to the wire landblock while portal space still covers the viewport. Pre-existing, hidden by the portal viewport, later overwritten by `Place`. AP-131/#275 territory — see trap T8. |
-
-### 2.3 The headless portal flow
-
-`RuntimeLiveEntitySessionController.TryCompletePortal`
-(`src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs:339-428`),
-called from `OnPositionUpdated:296` and `OnTeleportStarted:330`:
-`TryGetAcceptedTeleportDestination` → `TryBeginPortalReveal` →
-`TryRegisterHostProjection` → ack `ProjectionRegistered` →
-**`PrepareDestination(generation, destination)`** `:368` (this is where D2
-runs, plus `controller.State = PlayerState.InWorld` and the readiness report)
-→ `AcknowledgeDestinationReadiness` → `AcknowledgePortalMaterialized` → ack
-`SimulationReleaseProjected` → `RequireDestinationReservationRelease` → ack
-`DestinationReservationReleased` → `AcknowledgeWorldViewportVisible` +
-`Complete` → ack `TerminalProjected` → `SendGameAction(LoginComplete)` →
-`EndTeleport`. The J6 lifecycle itself is canonical and healthy; only the
-placement inside `PrepareDestination` is the duplicate.
-
-### 2.4 Runtime surfaces route 3 builds against
-
-| site | at HEAD | relevance |
-|---|---|---|
-| `RuntimePortalPlacementAuthority` | `RuntimeSetPositionState.cs:105-119` | `(bool Present, long RevealGeneration, ushort TeleportSequence, RuntimeWorldHostProjectionToken Projection)`. **The shape is RIGHT for what transit holds** — it is exactly the tuple `RuntimeWorldTransitState` owns per reveal (`Snapshot.Generation`, `ActiveTeleportSequence`, the registered host token whose `DestinationCell` is validated everywhere). No shape change needed. |
-| `RuntimeWorldTransitState` | `RuntimeWorldTransitState.cs` (1,012 lines) | Producer inputs all exist: `IsTeleportActive:96`, `ActiveTeleportSequence:97`, `TryGetAcceptedTeleportDestination:522`, `CanPlacePortalDestination:534` (read-only preflight), `TryRegisterHostProjection:189` (idempotent for the same generation/cell — a legitimate token re-derivation path), `AcknowledgePortalMaterialized:595`, `IsCurrentPlacementAuthority:258`. |
-| `RuntimeAcceptedPositionDriveController` | `src/AcDream.Runtime/Session/RuntimeAcceptedPositionDriveController.cs` (924 lines) | Route 2's landed local-player accepted-Position seam over `TryBeginExclusiveAuthoredPlacement:389` + `TryPrepareAndSubmitAuthoredPlacement:677` (`resolveWorldOffsetFromRuntimeFrame: true`). **ForcePosition-only by gate** (`:340-360`); its `Pending`/ack funnel is ForcePosition-shaped (`PositionEventOwed`). The natural home for a sibling portal arm — but see trap T7 before inheriting any of its funnel. |
-| `PlayerMovementController` teleport tail | `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:1845-1920` (`SetPositionCore`) | Today's `controller.SetPosition` on the portal path performs, in one method: body snap, render-lerp anchor reset, `UpdateCellId` publication, Contact\|OnWalkable\|Active transient set, zero velocity, `StopCompletelyAtPhysicsObjectBoundary` (retail StopCompletely 0x00527E40), input-edge/mouse state reset, `UnStick` + `UnConstrain` + `RearmConstraintLeashAtCurrentPosition` (retail @0x0045418A analog), and `_objectClock.ResetForEnterWorld()`. Under a canonical commit the BODY write moves into Runtime's `CommitCanonical`; **every one of these controller-local duties must be re-homed into a teleport analog of `CommitCanonicalForcePositionFrame` (`:1944-1950`)** — losing any one of them is the 4b-2 round-1 defect class. This is the single largest and riskiest piece of the slice. |
-| classifier LocalPlayer teleport branch | `RuntimeAuthoritativePositionRouteClassifier.cs:349-368` | See §1.3. Production classify callers: the drive controller `:922` (Force only), `ClassifyRemoteAcceptedPosition` (remote/projectile), the continuation executor `:1928` (residence window). |
-| `SpawnPlacementSettler` | `src/AcDream.Core/Physics/SpawnPlacementSettler.cs:22`; local-player call site `RuntimeLocalPlayerPhysicsPublicationState.cs:812` | First-entry only (C3c-F5/AD-61). **Not invoked on the portal path today, and retail's portal arrival has no settle sweep either** — contact resolves inside `SetPosition`'s own transition (SLIDE flags). Do not add it (trap T10). |
-| world frame | `RuntimePhysicsState.ObserveLocalWorldFrame:550-562`; callers `RuntimeEntityObjectLifetime.cs:1739/:1794` | Runtime's world frame rebases on `teleportAdvanced` at the accepted-Position merge; App's `LiveWorldOriginState` recenters asynchronously afterwards. See trap T4. |
-
-### 2.5 What is already canonical and must not regress (J6)
-
-Slice J6.2/J6.3/J6.4 ownership stands: `RuntimeWorldTransitState` owns the
-reveal generation, destination latch, F751 correlation (both packet orders),
-materialization/simulation edge, viewport observation, wait cue, completion/
-cancellation, and the 4-stage host acknowledgement suffix. Route 3 must not
-move ANY of that; it only makes the transit owner additionally gate the
-placement mutation it currently rubber-stamps. The lifecycle gate's
-`transitOwnership` zero-at-stable-checkpoint discipline
-(`tools/run-connected-world-lifecycle-gate.ps1`) already covers this state.
-
----
-
-## 3. The dated inventory: claims now false
-
-The 2026-08-02 route inventory predates C3c, route 2, the four route-4
-sub-slices, route 5, and the OnPosition collapse. **Eight of its claims
-bearing on routes 3/8 are now materially false**, plus pervasive stale line
-numbers:
-
-1. *"The binding machinery is real but 100% dormant end to end."* — FALSE.
- The validation half is live at three production layers (§1.1) and runs for
- every placement (empty-portal case). Only the producer is dormant.
-2. *"Neither host has ever constructed a production `IRuntimePlacementObserver`
- implementation"* (prerequisite D "100% unbuilt on the host side") — FALSE.
- `RuntimePlacementPresentationSink` (graphical) and
- `HeadlessRuntimePlacementProjectionSink` (headless, wired at
- `HeadlessSessionHost.cs:701`) are production consumers of the placement
- FIFO.
-3. *"`BeginAcceptedPlacement`/`BeginAuthoredPlacement` … zero external callers
- repo-wide"* / *"a placement transaction … never begun anywhere in
- production"* — FALSE. Three production controllers drive
- `TryBeginExclusiveAuthoredPlacement` + `TryPrepareAndSubmitAuthoredPlacement`
- (local force, remote, first-entry). (The two named legacy wrappers
- `BeginAcceptedPlacement`/`BeginAuthoredPlacement` themselves are now
- test-only entry points.)
-4. *"`InboundPhysicsStateController.TryApplyPosition` is today's only
- PRODUCTION Position wire caller; the classifier-based path is test-only"*
- — FALSE since routes 2/4a/4b-2/4b-3/5.
-5. The entire route-2 chain (`LocalForcePositionTransaction`, pre-commit ack,
- generic-tail double write for ForcePosition) — GONE; route 2 landed.
-6. Headless route-8: *"`SynchronizeLocalPlayer` (566-615) is the duplicate
- placement authority … `CreateController` (639-655) constructs
- `PlayerMovementController`"* — FALSE at HEAD. C3c deleted the route-1/8
- initial-entry hand-copy and the controller construction; the ONLY
- surviving headless duplicate is the renamed portal-arrival re-resolve (D2).
-7. *"`BlipLocalPlayer` (617-637) direct blip"* — FALSE; deleted by route 2
- (halves split into `CenterOnAcceptedForcePosition` + the drive controller).
-8. *"The executor publishes only generic entity deltas; nothing bridges its
- completion to `RuntimePlacementProjectionChannel`"* — FALSE since C0/C3-1
- (`ExecutorCompleted` receipts; `TryGetInitialCreateCompletion`).
-
-Still TRUE from the inventory's route-3 section: the call-chain shape
-(F751 → queue → offer → aim → `TryBeginPortal` → Place at anim event), the
-`Place`-mutates-then-`ObserveMaterialized`-rubber-stamps sequencing, the
-"discard/cancellation semantics structurally sufficient but UNEXERCISED for a
-real placement" warning (now with live validators, still zero portal-carrying
-operations — the explicit cutover tests it demanded are still owed), and the
-executor scope note (portal arrival is a steady-state placement, not a
-Create admission — the FIFO executor is not the target).
-
-Stale-but-substantively-true: the offer site (`:1906` → `:2950`), the
-validator (`:1162` → `:1448`), `PrepareDestination` (`:539` → `:752`,
-re-resolve retained under a new name), `RuntimeWorldTransitState` still 1,012
-lines.
-
----
-
-## 4. The missing producer, precisely
-
-What route 3 must build (and ALL it must build on the authority side):
-
-1. **The producer**: at the placement moment, construct
- `new RuntimePortalPlacementAuthority(Present: true, RevealGeneration,
- ActiveTeleportSequence, hostProjectionToken)` from the live transit state.
- Graphical: the generation is already at hand
- (`_pendingRevealGeneration`, `LocalPlayerTeleportController:404/694`), the
- sequence is `_transit.ActiveTeleportSequence`, and the host token needs a
- small accessor on `WorldRevealCoordinator` (or re-derivation via the
- idempotent `TryRegisterHostProjection`). Headless: all three are in scope
- inside `TryCompletePortal` (generation, `destination.TeleportSequence`,
- `projection`).
-2. **The placement call**: a portal arm on the local-player drive seam that
- runs `TryBeginExclusiveAuthoredPlacement(record, version,
- LocalAuthoritative, portal)` + `TryPrepareAndSubmitAuthoredPlacement(…,
- portal, resolveWorldOffsetFromRuntimeFrame: true)` with the classifier's
- LocalPlayer-teleport route, invoked at each host's existing placement edge
- (graphical: the `TeleportAnimEvent.Place` handler after
- `CanPlacePortalDestination`; headless: `PrepareDestination`).
-3. **The controller-local teleport frame commit** (§2.4's `SetPositionCore`
- re-homing) invoked on the committed receipt.
-4. **Re-sequencing**: `AcknowledgePortalMaterialized` fires from the committed
- placement receipt (it then actually gates — `IsCurrentPlacementAuthority`
- requires the materialization state it sets), camera reset +
- `_spatial.Reconcile()` become acknowledge-edge reactions, and D1/D2's
- direct mutations are deleted.
-
-**The authority's shape does not need changing** (§2.4). One genuine edge to
-design for: `BeginAcceptedPlacementCore:1528-1534` validates the authority's
-destination cell against `record.Snapshot.Physics?.Position ??
-record.Snapshot.Position` — the LATEST merged Position — while transit pins
-the FIRST accepted destination per generation (J6.3). A second local Position
-merging between the offer and the Place edge would make Begin refuse
-(default token). Today that window is benign (ACE sends one destination per
-teleport), but the refusal path must be defined and tested rather than
-discovered: on refusal the transit generation must be cancelled or the
-placement re-aimed — never a silent wedge in portal space.
-
----
-
-## 5. Retail ground truth (verified in `acclient_2013_pseudo_c.txt` for this scoping; verify again at contract time)
-
-| claim | address | status |
-|---|---|---|
-| F751 (`SmartBox::HandlePlayerTeleport`) writes exactly three flags — `position_update_complete = 0`, `has_been_teleported = 0`, `waiting_for_teleport = 1` — after a wrap-safe TELEPORT_TS check. No position, no cell, no physics. | @0x00452150, writes @0x00452193-0x004521A7 | ✓ read |
-| `HandleReceivedPosition`'s local/non-local split is `arg2 != this->player` @0x0045414D. The LOCAL teleport branch (`newer_event(TELEPORT_TS)` @0x0045415F): `TeleportPlayer` @0x00454168 → **`ConstrainTo(player, &var_48 /* the WIRE destination */, start, max)` @0x0045418A** → **`set_velocity(player, 0, 1)` @0x004541B4** → return. | @0x00453FD0 | ✓ read |
-| `SmartBox::TeleportPlayer` is TWO calls: `CPhysicsObj::SetPositionSimple(player, dest, 1)` @0x00453924 and `PlayerPositionUpdated(this, 1, FLT_MAX)` @0x00453932. **The generic placement primitive — the same one route 2 ported** (`BlipPlayer` @0x00453940 is the identical shape with arg 0). | @0x00453910 | ✓ read |
-| `SetPositionSimple(…, 1)` builds flags **0x1012** = SEND_POSITION_EVENT \| SLIDE \| TELEPORT (`acclient.h:6123`) → generic `CPhysicsObj::SetPosition` @0x005160C0. Identical flags to the remote teleport branch. SLIDE is consumed in `CheckPositionInternal` @0x00511E90 (accept what find_valid_position resolved). | @0x005162B0 (0x1012 @0x005162C2) | ✓ read |
-| `PlayerPositionUpdated` teleport arm (AFTER the placement): `position_update_complete = 0`, **`waiting_for_teleport = 0` (the F751 wait ends at PLACEMENT, not at reveal)**, `has_been_teleported = 0`, **`teleport_hook(player)`** @0x004538AE, `cmdinterp->PlayerTeleported()` (= `SetAutoRun(0,1)` + `SendMovementEvent`, @0x006B32B0), `set_viewer(&player->m_position, 1)` (camera reset, reset_sought), `LScape::update_viewpoint(0)` (destroys the terrain draw list), `CellManager::ChangePosition(&m_position, 1 /* blocking */)`. | @0x00453870 | ✓ read |
-| **The hook ordering FLIPS versus the remote route**: local runs `teleport_hook` @0x00514ED0 AFTER `SetPositionSimple` returns (from `PlayerPositionUpdated`); the remote branch runs it BEFORE `SetPosition` (@0x005163EF). The hook `UnConstrain`s @0x00514F0C, and `HandleReceivedPosition` re-arms `ConstrainTo` @0x0045418A after `TeleportPlayer` returns, so the leash survives. The classifier already encodes this (`TeleportHookPhase.AfterPositionOperation` local vs `BeforePositionOperation` remote). | | ✓ read |
-| **`CPhysicsObj::enter_world` @0x00516170 is NOT on the portal path.** Its local-player caller is the initial-login path only (@0x00455095, with `store_position` + blocking `ChangePosition`). Portal arrival never re-runs `enter_world` or `CPartArray::HandleEnterWorld`/`MovementManager::HandleEnterWorld` — the cell install happens inside `SetPosition` itself. **`2026-07-16-portal-completion-pseudocode.md` §2.1 attributes portal arrival to `enter_world` — that is the login path and the doc needs a correction note** (its conclusion about committing the cell before releasing simulation survives; the cited mechanism is wrong). | callers of 0x00516170 | ✓ read (agent-verified caller sweep) |
-| The FORCE_POSITION branch (@0x0045400C → `BlipPlayer` → `SendPositionEvent` → return @0x0045409D) never reaches any `ConstrainTo` — route 2's finding reconfirmed. The local TELEPORT branch DOES arm, wire-anchored, and DOES zero velocity — **the inversion trap T1**. | | ✓ read |
-| Prefetch (#280's oracle, re-verified): blocking `CellManager::ChangePosition` @0x004559B0 releases the old landscape and calls `CellManager::PreFetchCells` @0x00455820 → outdoor `LScape::PreFetchCells` @0x00505660 walking **±`mid_radius`** landblocks (DAT-record residency, not GPU upload); indoor `CEnvCell::PreFetchCells`. `mid_radius` = `Render::m_RenderPrefs.LandscapeDrawDistance` via `SmartBox::SetRegion` @0x00453227 / `set_mid_radius` @0x00453180 — **the prefetch window IS the landscape draw distance, centred on the destination**. While `blocking_for_cells`, `SmartBox::UseTime` @0x00455410 runs ONLY `CheckPrefetchStatus`; object/physics/landscape/game-time/ambient all hold. Reveal (SmartBox::Show) is a further TunnelFadeOut second after the readiness edge; LoginComplete a WorldFadeIn second after that. | | ✓ read |
-| Retail places IMMEDIATELY on the accepted destination Position and blocks SIMULATION on prefetch behind the portal viewport. acdream inverts this: it holds the PLACEMENT until reveal-readiness (`ready` in `LocalPlayerTeleportController.Tick`) and then places. This is the accepted portal-presentation architecture (J6/E5, user-gated repeatedly) — **route 3 keeps the deferred-Place timing and changes only WHO commits it** (trap T3). | | ✓ (architecture fact) |
-
-Unverified residuals from the retail pass (mark for the contract, none
-load-bearing for scope): the exact second argument of `teleport_hook` at
-@0x004538AE (decompiler-elided, almost certainly 1); `CheckPrefetchStatus`'s
-apparent 5.0 s re-check throttle (@0x00455BEE — suspicious, byte-verify if
-#280 uses it); where SEND_POSITION_EVENT/TELEPORT flag bits are consumed
-below `SetPositionInternal` (not traced; irrelevant to route 3's seam
-choice).
-
----
-
-## 6. Shape sketch (scoping altitude — the contract pins the real design)
-
-- **Runtime**: a portal arm on `RuntimeAcceptedPositionDriveController` (a
- sibling entry point, e.g. `TryExecuteAcceptedPortalArrival(record, route,
- authority)`), sharing Begin/Submit/status handling with the force arm but
- NOT its `PositionEventOwed`/re-issue funnel (trap T7). It consumes the
- classifier's LocalPlayer-teleport route, applies `ZeroVelocity`, invokes
- the controller-local teleport frame commit on the committed receipt, and
- arms the leash post-operation (the route's `ConstrainPhase` — today's
- `SetPositionCore` re-arm relocates here).
-- **Graphical**: `LocalPlayerTeleportPlacement.Place` becomes
- acknowledge-only — build the authority, call the Runtime arm, and on the
- committed receipt run the presentation suffix (camera resets,
- `NotifyTeleported`, `_spatial.Reconcile()`), then
- `ObserveMaterialized`. The direct Resolve/SetPosition/entity-write/rebucket
- bodies are deleted; the render entity moves via the existing
- `RuntimePlacementPresentationSink` Place projection (whose portal gate
- finally goes live).
-- **Headless**: `PrepareDestination` keeps `CenterOn` + readiness reporting +
- state writes; `ResynchronizeLocalPlayerForPortalArrival` is deleted and the
- same Runtime arm is driven from the portal completion flow.
-- **Probe**: `ACDREAM_PROBE_LOCAL_TELEPORT=1` (PhysicsDiagnostics-owned,
- TEMPORARY family) — one line per portal arrival with cause
- (portal/recall), placement status, portal generation/sequence,
- destination cell, and hook/leash confirmation.
-
-Register bookkeeping to expect (contract finalizes): AD-42's headless
-portal-arrival-resync citation dies with D2; locate-or-add the row recording
-the deferred-place timing adaptation (§5 last row — **UNVERIFIED whether an
-existing AD row states it**; if none exists the route-3 commit must add it —
-a deviation without a row is a bug twice over); the 2026-07-16 pseudocode
-correction note (§5); the stale `:2276` comment (§2.2) corrected or the
-finding filed.
-
----
-
-## 7. #280 — definitive recommendation: SPLIT (do not bundle into route 3)
-
-**The campaign plan and the session handoff disagree, and the plan is
-right.** The plan lists #280 as its own numbered work item (item 3 of the
-remaining campaign work), separate from "finish C4's routes 2-7" (item 2).
-Only the 2026-08-04 session handoff says "#280 rides with [route 3]". They
-cannot both be followed; this scoping recommends the plan's sequencing.
-
-Why they are mechanically distinct:
-
-- **Route 3 changes WHO commits the placement.** Its blast radius is
- `RuntimeSetPositionState`/drive-controller/`PlayerMovementController`/the
- two host placement bodies. It does not touch readiness evaluation at all —
- the `ready` predicate in `LocalPlayerTeleportController.Tick:489-493` and
- everything behind `WorldRevealCoordinator.Evaluate` is read, not written.
-- **#280 changes WHAT the reveal waits for.** Its fix shape (per its own
- ISSUES entry, whose retail oracle this scoping re-verified §5): replace
- `WorldRevealReadinessBarrier.OutdoorNeighborhoodRadius = 1`
- (`src/AcDream.App/Streaming/WorldRevealReadinessBarrier.cs:38`) with a
- retail-derived, quality-configured destination prefetch window
- (`mid_radius` == landscape draw distance) and hold one generation-scoped
- reservation across terrain/statics/EnvCells/render
- publication/composites/collision until the complete visible window is
- ready. Its blast radius is streaming/reveal/render-resource scheduling —
- `WorldRevealReadinessBarrier`, `GpuWorldState` readiness joins, the
- streaming reservation schedulers. It does not touch placement.
-- The ONLY shared surface is the transit lifecycle both sit inside — and J6
- already owns that; neither change moves it.
-- Bundling would put a placement-authority cutover (physics-review skillset,
- connected teleport gate) and a streaming-window change (render/streaming
- skillset, view-distance visual gate at multiple quality settings) in one
- diff, and would push the slice far past the ~500-line budget (#280 alone
- plausibly rivals route 3 in size). 4b-2's process lesson ("split on
- discovery; a defect outside scope rides for three review rounds") applies
- prospectively here.
-
-Sequencing: #280 can land before or after route 3 with no dependency in
-either direction — route 3 keeps the Place gated on the SAME `ready`
-predicate, whatever radius that predicate uses. Recommend: route 3 first
-(closes C4), #280 immediately after as its own slice with its own visual
-gate, before C5's closeout matrix (the campaign plan already sequences it
-exactly there).
-
-One honest caveat: bundling advocates would note both changes gate "what
-happens at the Place edge" and a single connected session could gate both.
-True but insufficient — a shared test session is not a shared mechanism, and
-the review lenses are disjoint.
-
----
-
-## 8. Size estimate and split recommendation
-
-Calibration: route 4a 364; 4b-1 230+57; 4b-2 350-500; 4b-3 ~250 net new
-(400-700 budget) with 739 deleted; route 5 ~131 added, ~180 deleted.
-
-| piece | est. non-comment production lines |
-|---|---|
-| Runtime portal arm on the drive controller (Begin/Submit/status/receipt handling, ZeroVelocity, leash arm) | 90-150 |
-| `PlayerMovementController` teleport frame commit (re-home the `SetPositionCore` suffix; split shared private helpers) | 40-80 |
-| Graphical producer + `Place` rewrite + `ObserveMaterialized`/camera/reconcile re-sequencing | 60-110 (deletes ~55) |
-| `WorldRevealCoordinator` host-token exposure | 10-20 |
-| Headless: `PrepareDestination` flip + drive call | 15-30 (deletes ~50 incl. D2) |
-| Probe line | ~10 |
-| **Total added** | **~225-400** |
-
-Net roughly +150 to +250 (deletions ~105-120). Tests are the larger share, an
-estimated 500-900 lines (per-outcome placement tests on the portal arm,
-supersession/cancellation/stale-generation discard tests — the inventory's
-still-owed "explicit cutover test" for the discard semantics — presentation
-assertions at #312's layer, dual-host parity, the Begin cell-mismatch edge of
-§4).
-
-**Recommendation: ONE slice, no split** — comfortably under the ~500
-threshold PROVIDED #280 splits out (§7). Stop-and-report conditions for the
-implementer: added production lines exceed ~500; the design starts needing
-changes to `RuntimeWorldTransitState`'s lifecycle semantics, the
-`TeleportAnimSequencer` timings, or the readiness barrier (each is a sign
-#280 or a J6 regression is being smuggled in); or the Begin cell-mismatch
-edge (§4) turns out to be reachable in ordinary play.
-
-Allocation: a portal placement is once-per-teleport, not frame-frequency —
-the C2 1,536 B budget is not an activation blocker here (route 2's
-reasoning applies). Do not spend lines pooling.
-
----
-
-## 9. The connected gate (real and mandatory — unlike route 5)
-
-Portals are trivially reachable and user-visible; a live gate exists and is
-required. **A clean-looking session is NOT a pass** (process rule 5; 4b-3's
-gate was a pass only because 16 probe lines proved the arm executed, and its
-cell-less half is still honestly recorded as unverified).
-
-**Recipe (user-run, graphical):** Release build, `ACDREAM_RETAIL_UI=1`,
-`ACDREAM_PROBE_LOCAL_TELEPORT=1`, live ACE. Exercise, in one session:
-1. a physical portal (e.g. Holtburg portal) — outdoor destination;
-2. a dungeon portal (indoor destination, EnvCell readiness path);
-3. `/ls` lifestone recall and one spell recall (the F751 recall family);
-4. an ACE admin teleport of the LOCAL player (`@teleto`/`@teleloc`) — this
- advances ObjectTeleport and, per the route-2 visual-gate doc, exercises
- exactly this route;
-5. a same-destination revisit (ACE may omit CreateObject on revisit);
-6. graceful close.
-
-**Pass requires ALL of:**
-- one probe line per arrival showing the CANONICAL path executed:
- `placement=Committed`, the portal authority's generation/sequence, and the
- resolved destination cell — zero arrivals through the deleted path (which
- no longer exists to run) and zero `Refused/Contention` lines in ordinary
- play;
-- user visual: purple materialization silhouette without an opaque pop or
- late tail (the 2026-07-25 accepted baseline must not regress), camera
- reset behind the player at arrival, movement works immediately (walk out
- with W held — the input-edge reset half of the teleport frame commit),
- idle stance not a run-in-place, **no rubber-band or tether after arrival
- AND no leash absence** (the leash IS armed on this route — a creature-free
- way to observe it is beyond a visual check, so add a probe field
- `leash=armed` instead of inventing a visual);
-- the exact lifecycle/reconnect gate
- (`tools/run-connected-world-lifecycle-gate.ps1`) passes with every
- `transitOwnership` counter zero at every stable checkpoint — this is the
- supersession/cancellation convergence evidence;
-- **headless parity**: the K-style connected portal route (four-stop portal
- routing from the K3 closeout) with the probe enabled — same
- probe-line-per-arrival requirement, proving D2's replacement executed on
- the no-window host.
-
-**Known gap to state up front, 4b-3-style:** mid-transit supersession (a
-second teleport starting before the first materializes) and mid-transit
-disconnect are hard to provoke against ACE on demand. If the session does
-not produce them, record the stale-generation discard behaviour as
-test-verified-only — do not fold it into a blanket "gate passed".
-
----
-
-## 10. Traps — rules from earlier routes that flip or do not transfer
-
-- **T1 — route 2's leash rule INVERTS.** Route 2 pinned "the constraint
- leash is NOT re-armed" because the FORCE_POSITION branch returns at
- @0x0045409D before every `ConstrainTo`. The local TELEPORT branch is the
- opposite: retail arms `ConstrainTo` @0x0045418A (anchored at the received
- destination) AND zeroes velocity @0x004541B4. The classifier already
- carries both (`ConstrainPhase.AfterPositionOperation`,
- `ZeroVelocity: true`); the drive-controller doc comment
- (`RuntimeAcceptedPositionDriveController.cs:127-132`) explaining why the
- force arm never arms MUST NOT be generalized to the portal arm. Also
- inverted: `SendPositionImmediately` is FALSE (no `AutonomousPosition` ack
- on this route — retail's teleport branch returns without
- `SendPositionEvent`; the outbound tail is LoginComplete, which stays where
- it is, see T11) and `PreserveHeading` is FALSE (the wire orientation
- applies).
-- **T2 — 4b-3's hook ordering INVERTS.** Remote: `teleport_hook` BEFORE the
- placement (@0x005163EF). Local: the hook runs AFTER `SetPositionSimple`,
- from `PlayerPositionUpdated` @0x004538AE. The classifier encodes the flip
- (`AfterPositionOperation` vs `BeforePositionOperation`). Copying 4b-3's
- hook-first arm shape onto the local route would be retail-wrong. Also: the
- local "hook" is not `RemoteTeleportHook` — its live actions for the local
- player are the controller-local UnStick/UnConstrain (+ re-arm afterwards),
- `NotifyTeleported` (TargetManager pair), the autorun cancel
- (`PlayerTeleported` → `SetAutoRun(0,1)` — verify against the J5.4 autorun
- latch at contract time), and `report_collision_end`.
-- **T3 — do NOT move the placement to packet-accept time.** Retail places
- immediately and blocks simulation on DAT prefetch; acdream's accepted
- portal architecture defers the placement to the reveal-ready Place edge
- behind the portal viewport (user-gated repeatedly; J6/E5). Route 3 changes
- the executor of the Place, never its timing. An implementer "fixing" the
- timing toward retail would regress the whole accepted presentation and
- collide with #280's territory. Locate-or-add the register row for this
- adaptation (§6).
-- **T4 — two world frames disagree during the teleport window (#283).**
- Runtime's frame rebases at the accepted teleport Position's merge
- (`ObserveLocalWorldFrame(…, teleportAdvanced: true)`); App's
- `LiveWorldOriginState` recenters asynchronously. Today `Place` runs only
- after `!IsRecenterPending` (inside `ready`), so both frames agree at
- placement time. The canonical arm must keep that gating and must resolve
- through Runtime's frame (`resolveWorldOffsetFromRuntimeFrame: true`, as
- route 2 does) — the App-translated `_pendingPosition` vector dies with D1.
- A placement submitted during the disagreement window is the failure mode.
-- **T5 — the Begin cell-mismatch edge** (§4): transit pins the FIRST
- accepted destination per generation; Begin validates against the LATEST
- merged snapshot. Define and test the refusal path; never wedge in portal
- space.
-- **T6 — hands off J6 and the presentation.** `RuntimeWorldTransitState`'s
- lifecycle semantics, the 4-stage host acknowledgement, the
- `TeleportAnimSequencer` seven-state machine, AD-38's viewport-retire
- timing, the wait cue, and `TeleportViewPlaneController` are all
- user-accepted and out of scope. The ONLY transit-adjacent change is that
- `AcknowledgePortalMaterialized` fires from the commit receipt instead of
- rubber-stamping after a host mutation.
-- **T7 — do not inherit the force arm's funnel.** `PositionEventOwed`, the
- `_newestForce` re-issue observation (AD-62), and `SendImmediatePosition`
- are ForcePosition-shaped: ACE never repeats a portal destination, the
- portal route owes no AutonomousPosition ack, and a dead-watch re-issue of
- a portal placement would fight the transit generation. The portal arm
- shares Begin/Submit/receipt handling only. (The mirror of 4b's "do NOT
- port route 2's re-issue funnel" lesson.)
-- **T8 — the local generic render-pose write is a pre-existing second
- writer; do not silently delete OR silently keep it.** Every accepted local
- Apply — including the portal destination Position — writes the raw wire
- pose to the local player's `WorldEntity` and rebuckets to the wire
- landblock (`:2284-2289`/`:2314`; the `:2276` comment claiming otherwise is
- stale). Hidden by the portal viewport today and overwritten by Place. It
- is AP-131/#275 (the ordinary local Apply path no route owns) — route 3
- must TOLERATE it (the canonical projection overwrites on commit) and the
- contract must decide explicitly whether the teleport window suppresses it;
- whichever way, correct the stale comment (process rule 6).
-- **T9 — no allocation work.** Once-per-teleport; the C2 budget is not in
- play.
-- **T10 — no settle sweep.** `SpawnPlacementSettler` is first-entry-only
- (C3c-F5); retail's portal arrival has none — contact resolves inside the
- SLIDE placement itself. If arrival contact looks wrong in the gate, the
- bug is in the placement flags/transition, not a missing settle.
-- **T11 — LoginComplete does not move.** It stays on
- `TeleportAnimEvent.FireLoginComplete` (retail: ~2 s after reveal; TS-28 is
- narrowed to initial login only). C3c's `175ad6b0` moved LOGIN's
- LoginComplete to the first-placement terminal edge — that reasoning does
- NOT transfer to the portal route.
-- **T12 — headless keeps its non-placement duties.** `PrepareDestination`'s
- `CenterOn`, readiness report, and `PlayerState` writes stay host-owned;
- only the D2 re-resolve body flips. `BeginTeleport`'s direct
- `PlayerState.PortalSpace` write is out of scope.
-
----
-
-## 11. What route 3 does NOT do / what remains for C5
-
-- **#280** — split out (§7); its own slice with its own visual gate.
-- **AP-131 / #275** — the shared merge call and the ordinary local Apply
- path (including T8's generic write) stay for C5.
-- **AP-1/AD-1 retirement, the legacy-deletion sweep, parity tests, the
- final connected matrix** — C5. Route 3's deletions are only D1/D2's bodies
- and their direct wiring; any surviving dead seams
- (`ILocalPlayerTeleportPlacement` if it reduces to a trivial adapter,
- legacy `BeginAcceptedPlacement`/`BeginAuthoredPlacement` test-only
- wrappers) are C5 sweep candidates, recorded not deleted here.
-- **Route 7** (pickup/parent/delete) — separate, already scoped.
-- **No headless remote consumer, no reveal-gate changes, no presentation/
- anim/viewport changes, no `enter_world`/`HandleEnterWorld` additions**
- (retail does not run them on this path — §5).
-- The six `LiveEntityRuntimeTests` fixture failures named in the campaign
- handoff and the final-binary soak remain campaign-level obligations, not
- route-3 scope.
-
-## 12. Open gaps (each with the check that closes it)
-
-1. **The deferred-place register row** — grep the divergence register for
- the portal place-at-readiness adaptation; if absent, the route-3 commit
- adds it (T3).
-2. **The autorun cancel** — confirm acdream's arrival path cancels autorun
- (retail `PlayerTeleported` → `SetAutoRun(0,1)`): read the J5.4
- `RuntimeLocalPlayerMovementState` autorun latch against
- `SetPositionCore`'s input reset.
-3. **`WorldRevealCoordinator` token exposure shape** — accessor vs
- re-registration; decide at contract with a test that a superseded token
- can never be handed to the producer.
-4. **The Begin cell-mismatch refusal path** (§4/T5) — design + test.
-5. **Retail residuals** from §5's unverified list (teleport_hook arg,
- prefetch throttle) — byte-verify only if the contract leans on them.
-6. **`RuntimePlacementPresentationSink` Place projection for the local
- player** — route 2's B2 recorded that no test drives a local-player
- Place end-to-end through the sink to a moved `WorldEntity`; route 3 makes
- that seam load-bearing for portals and MUST close the coverage gap (an
- App-layer test asserting the render entity moved from the committed
- receipt), not inherit it.
-
----
-
-## Summary for the campaign plan
-
-- **Size: ~225-400 added non-comment production lines, net ~+150-250 — ONE
- slice, no split** (contingent on #280 splitting out).
-- **#280: SPLIT.** The handoff's "rides with route 3" is wrong; the campaign
- plan's own sequencing (separate item) is right. Reveal-window/streaming
- concern, not placement.
-- **Eight dated-inventory claims now false** (§3), the most consequential
- being "100% dormant end to end" — the validation half of the portal
- machinery is live production code; only the producer is missing.
-- **Contradictions with the campaign plan:** (a) plan line ~92-93's "the
- adapter … does not exist" overstates the gap — only the producer is
- missing; (b) the plan's #280 sequencing contradicts the session handoff's
- bundling — this scoping sides with the plan; (c) the inventory's "route
- 3's target is `RuntimeSetPositionState` directly" is refined: the target
- is a portal arm on route 2's `RuntimeAcceptedPositionDriveController` seam
- OVER `RuntimeSetPositionState`.
-- **Two documentation defects found while verifying:** the 2026-07-16 portal
- pseudocode attributes portal arrival to `enter_world` (that is the LOGIN
- path — needs a correction note), and
- `LiveEntityNetworkUpdateController.cs:2276`'s "the local player never
- reaches this generic-remote code path" is false for
- `TryApplyGenericRemoteRenderPose`/`RebucketLiveEntity` (T8).
diff --git a/docs/research/2026-08-04-c4-route-4b-1-contract.md b/docs/research/2026-08-04-c4-route-4b-1-contract.md
deleted file mode 100644
index b4396216..00000000
--- a/docs/research/2026-08-04-c4-route-4b-1-contract.md
+++ /dev/null
@@ -1,174 +0,0 @@
-# C4 route 4b-1 — remote placement infrastructure: pinned contract (2026-08-04)
-
-Scoping and the three-way split:
-[`2026-08-04-c4-route-4b-scoping-and-split.md`](2026-08-04-c4-route-4b-scoping-and-split.md).
-
-**4b-1 builds the machinery and changes NO remote behaviour.** It has no
-production caller, or is called for zero classifications. 4b-2 (far branch) and
-4b-3 (teleport / cell-less) flip it on afterwards.
-
-The reason for landing it alone: 4b-1 is where the
-park-withdraws-the-entity failure mode is decided, and that decision must be
-reviewed on its own signal, not alongside a ~700-line class deletion.
-
-## Scope — build these five things
-
-1. **A per-entity remote placement owner** in `AcDream.Runtime`.
-2. **A Position-time service-window guard**, with a Runtime-facing interface and
- implementations for both hosts.
-3. **The refuse-rather-than-park policy** (see "The central decision").
-4. **N3** — headless never calls `RetryPending` after construction.
-5. **Parked-count observability** wired into the ownership ledger and
- `report.json`.
-
-## The central decision — refuse, do not park
-
-A Runtime `DeferredCell` park **withdraws the entity from the world**:
-`ParkDeferred` sets `body.InWorld = false`, clears `TransientStateFlags.Active`,
-suspends the object clock, calls `WithdrawCanonical`, and publishes a `Withdraw`.
-
-`RuntimeEntityObjectLifetime`'s `Forget`-on-every-accepted-Position then kills
-the park **without restoring any of that** — `CancelCoreDeferred` removes the
-operation and rewrites the `Withdraw` into a `Discard`; it does not set
-`InWorld` back, resume the clock, or re-enter residency.
-
-So packet N parks entity E (invisible AND intangible); packet N+1 ~150 ms later
-Forgets the park; and **if N+1 classifies `Interpolate`, no placement runs and E
-stays withdrawn indefinitely.** The producing sequence is mundane: a remote
-appears beyond 96 m, walks toward you, crosses inside 96 m.
-
-**Therefore: a remote whose destination is not placeable now must NOT open a
-park.** It keeps its last committed pose and waits. The next packet IS the
-retry, because remote Positions are a 5-10 Hz stream. This is also retail-shaped
-— retail's world is fully resident, so "arrived but not placeable" is
-unrepresentable there.
-
-If you conclude the refusal cannot be expressed without touching
-`RuntimeSetPositionState`'s park machinery, STOP and report rather than adding a
-withdrawal-restore path inside a 5,652-line class.
-
-## Two transfer errors — named so they are not repeated
-
-Route 2's controller is the architectural model. **Two of its parts must NOT be
-ported**, and both would look correct to an implementer copying it:
-
-- **The ack machinery.** `PositionEventOwed`, `positionEventOwed`, the
- `SendPositionEvent` plumbing — retail's remote arm has NO
- `SendPositionEvent`. `HandleReceivedPosition` @0x00453FD0 calls it only on the
- local-player FORCE_POSITION branch. Delete the concept, do not carry it.
-- **The re-issue funnel.** Route 2 re-issues because a ForcePosition is a
- one-shot correction ACE never repeats, so a dropped one is lost. A remote
- Position is a repeated stream; re-issuing packet N after N+1 has merged would
- apply a pose the newer packet already superseded. Same class of error as the
- route-2-to-4a rebucket mistake, in reverse.
-
-## Per-entity state
-
-Route 2's `_pending` is ONE slot and `RetainPending` throws on a second live
-pending. That shape does not transfer. Required:
-
-- A per-key map, with route 2's single-owner invariant re-derived **per entity**.
-- The ownership ledger count becomes a dictionary count that must converge to
- zero at teardown, reset, and generation change.
-- Bounded, non-allocating iteration for any pump —
- `RuntimeFirstEntryDriveController._driveScratch` is the in-repo template.
-- Per-entity currency: GUID reuse, incarnation change, generation change, an
- entity torn down mid-drain, and two entities interleaved must all be safe. A
- pure function does not by itself make the CALLER re-validate identity.
-
-## The service-window guard
-
-- **Headless has one**: `IHeadlessCollisionNeighborhood.IsWithinServiceWindow`
- (`HeadlessSessionWorldProjection.cs:27`, impl `:245-257`) — a Chebyshev
- `dx <= 1 && dy <= 1` test against `_requestedCenterLandblock`. Its only
- consumer today is Create-time.
-- **The graphical host has none.** It must be built from
- `GpuWorldState.IsNearTier` / `IsNearTierOrPending`, `StreamingController.NearRadius`
- and the observer centre, exposed to Runtime through an interface mirroring the
- headless one.
-- **Unproven, and you must establish it**: that near-tier residency is exactly
- co-extensive with collision publication. The four gating call sites are
- consistent with it; the retirement side is unverified. If it is not
- co-extensive, say so and propose the correct predicate rather than shipping
- the assumption.
-- `ToCellessCreateRoute` does **not** apply. It produces `AwaitFreshPosition`,
- its only consumer operates on a residence lease, and it refuses once
- `FullCellId != 0`. A steady-state Position has no residence by construction.
- 4b-1 needs its own "decline this placement" outcome.
-
-## N3 — fix regardless
-
-`HeadlessSessionEventRoute.Attach` constructs the subscription with
-`retryPendingOnSubscribe: true` and that is the ONLY `RetryPending` call headless
-ever makes. `PumpFirstEntry` calls `IsReady`, `DriveAll` and `Advance` — not
-`RetryPending`. The graphical host binds it correctly per frame.
-`RuntimePlacementProjectionSubscription.OnPlacement` only projects when the new
-delta IS the FIFO head, so a declined head is never revisited.
-
-Add `RetryPending()` to the headless pump in the same order the graphical route
-uses (drives first, retry last). This is a latent defect in shipped code; fix it
-whether or not 4b-1 flips headless remotes.
-
-## Must prove, not assume
-
-**`ParkCollisionResidents` throws on overlap** — for every spatial root in a
-retiring landblock prefix that holds an active operation
-(`RuntimeSetPositionState.cs:3387-3395`). With N remotes holding operations, an
-ordinary streaming retirement becomes session-fatal. It is unreachable today
-only because steady-state remotes hold no operations. **4b-1 must demonstrate it
-stays unreachable under the new design** — that is the concrete failure #277's
-bound was protecting, and it is a gate item, not a note.
-
-## Do NOT touch
-
-- **AP-135's two writes** (`rmState.CellId`, `LastServerPos`/`LastServerPosTime`)
- on the airborne branches. They are 4a-owned dispositions and AP-135 does not
- retire with 4b. They sit inside the method 4b rewrites, which is the trap.
-- **`RemoteTeleportController`, `RemoteTeleportPlacement`,
- `remotePlacementRequired`** — 4b-3.
-- **The legacy far halves** in either arm — 4b-2.
-- **`ConstrainTo` arming.** Retail has exactly ONE site on the remote arm
- (@0x00454272); all three nonzero-returning `MoveOrTeleport` branches funnel
- through it. Do not add a second. 4b-2/4b-3 fold the existing arm outward.
-- **Route 1's executor.** `RuntimeAcceptedPositionRouteRequests` is shared with
- it; any change there is a regression in shipped functionality.
-
-## Contract
-
-1. The owner is Runtime-resident and presentation-independent; both hosts can
- drive it.
-2. It has **no production caller**, or is called for zero classifications. 4b-1
- changes no remote behaviour, and the existing connected routes must be
- unchanged.
-3. No ack. No re-issue funnel. Per-entity state.
-4. A non-placeable destination is refused, not parked.
-5. The ownership ledger includes the per-entity pending count and converges to
- zero at teardown, reset, and generation change.
-6. `ParkCollisionResidents`'s overlap throw is demonstrably unreachable.
-7. Nothing in the "Do NOT touch" list changes.
-
-## Acceptance
-
-- Focused Runtime tests: per-entity independence, currency across GUID reuse /
- incarnation / generation / teardown, the refusal outcome, ledger convergence,
- and the service-window predicate on both hosts.
-- **A test for the §"central decision" sequence specifically**: attempt a
- placement whose destination is not placeable, deliver a second accepted
- Position that classifies `Interpolate`, and assert the entity is **still in
- the world** — `InWorld` true, clock running, residency intact. That is the
- invisible-and-intangible failure, and it must be pinned before 4b-2 flips
- anything on.
-- Complete Release suite green. Baseline **10,938 passed / 4 skipped / 0
- failed**. Two known flakes, do NOT chase and do NOT conflate: **#302**
- (`PortalProjectionTests.ClipToRegion_FrameOwnedStore_ReusesExactResultArray`,
- a GC-allocation assertion in App.Tests) and **#308**
- (`NakEmissionTests.LossSoak_...`, a wall-clock deadline in Core.Net.Tests that
- fails only under full-suite load). If either appears, re-run and say which.
-- No connected gate: 4b-1 changes no behaviour, so there is nothing for a user
- to observe. Say so rather than inventing one.
-
-## Budget
-
-**~700-1,000 non-comment production lines.** Route 4a came in at 364, which was
-91% of its ~400 budget — not "well under". If 4b-1 exceeds 1,000, stop and
-report before continuing rather than pushing through.
diff --git a/docs/research/2026-08-04-c4-route-4b-1-review-findings.md b/docs/research/2026-08-04-c4-route-4b-1-review-findings.md
deleted file mode 100644
index aec7c1c3..00000000
--- a/docs/research/2026-08-04-c4-route-4b-1-review-findings.md
+++ /dev/null
@@ -1,175 +0,0 @@
-# C4 route 4b-1 — dual review FAIL, and a design correction (2026-08-04)
-
-Both mandated reviews returned **FAIL**. Nothing is committed. This supersedes
-the 4b-1 contract, **whose central premise was factually wrong.**
-
-## The premise error — mine
-
-The contract justified refuse-rather-than-park with: *"retail's world is fully
-resident, so 'arrived but not placeable' is unrepresentable there."*
-
-**False.** Retail represents it explicitly, with a working park:
-
-- `CPhysicsObj::SetPositionInternal` @0x00515BD0 — when `AdjustPosition` yields
- no cell (@0x00515C1D): `prepare_to_leave_visibility` @0x00515CDA,
- `store_position` @0x00515CE2 (**the destination pose IS committed**),
- `CObjectMaint::GotoLostCell` @0x00515CF2, clear transient 0x80 @0x00515CF7,
- return `OK_SPE` @0x00515D07.
-- `CObjectMaint::GotoLostCell` @0x00508210 appends the object to that cell's
- lost list.
-- `CObjectMaint::InitObjCell` @0x00508260 drains the list on cell load and calls
- `reenter_visibility` per object @0x00508296.
-- `MoveOrTeleport` discards the `SetPositionError` from both
- `SetPosition` @0x00516420 and `SetPositionSimple` @0x005163D9 and returns 1
- regardless, so `ConstrainTo` @0x00454272 is armed **even when the placement
- failed**.
-
-Retail's reaction to an unplaceable remote: advance the pose, hide the object,
-register it lost, wake it on cell arrival, arm the leash anyway. Our refusal
-leaves the remote **visible at a stale pose**. For a remote that teleports into
-a non-resident landblock and then stops moving — ACE stops broadcasting for a
-stationary entity — "the next packet is the retry" never arrives and the
-divergence is permanent.
-
-## Refuse cannot be made complete — the second reason to abandon it
-
-The guard checks ONE landblock (`accepted.LandblockId`). Core defers on at least
-four independent conditions:
-
-1. **`PlacementTouchesPrefix` matches the entity's CURRENT cell**, not only the
- destination (`RuntimeSetPositionState.cs:3668-3673`, consumed `:2916`). A
- remote standing in a quiescing landblock, moving to a perfectly published
- destination, parks. That is the contract's own producing sequence with
- ordinary streaming churn behind it.
-2. **`ResultTouchesPrefix` matches every cell in `QueriedCellIds`**
- (`:3675-3690`, consumed `:2981`) — the sweep footprint spans neighbouring
- landblocks near a boundary, so a quiescing NEIGHBOUR parks a fine placement.
-3. **Engine-level non-residency after `AdjustToOutside`**
- (`PhysicsEngine.cs:1309-1318`, `:1464-1475`) — the adjusted cell can land in
- an adjacent landblock, evaluated against THAT landblock. Not visible to any
- pre-flight caller.
-4. Headless, where the predicate is weaker still (see below).
-
-**A pre-flight guard cannot close conditions that only Core can see.** Refuse is
-structurally incapable of being complete.
-
-## The actual root cause — and it is shipped, not new
-
-`ParkDeferred` (`RuntimeSetPositionState.cs:4088-4120`) withdraws the entity:
-`body.InWorld = false`, `Active` cleared, `WithdrawCanonical` (→
-`RemoveSpatialProjection` + `SetFullCell(record, 0u, 0u)`), `SuspendObjectClock`.
-
-`CancelCoreDeferred` (`:5131-5198`) removes the operation, rewrites
-`Withdraw`→`Discard`, and **restores none of it**. The only `InWorld = true` in
-the file is the local-player dormant-activation commit (`:2591`).
-
-So cancelling a wakeable park is strictly worse than retaining one: the park is
-at least wakeable; the cancel destroys the only object that could wake it.
-
-**This affects route 2's DeferredCell path too.** Route 2 compensates with its
-re-issue funnel — which is correct for a one-shot ForcePosition and wrong for a
-5-10 Hz remote stream. So the underlying defect has been masked, not fixed.
-
-## Corrected direction for the next round
-
-**Make the park work, at the source, modelled on retail's lost-cell.** A
-cancellation of a wakeable park must restore what `ParkDeferred` withdrew —
-`InWorld`, the object clock, and canonical residency — or the park must survive
-the merge-time `Forget` so its collision-generation wake can still fire.
-
-The 4b-1 contract said a withdrawal-restore inside `RuntimeSetPositionState`
-required STOP-and-report. **That stop has now happened and this is the answer**:
-refuse is structurally incomplete, retail has a working park, and the restore
-fixes route 2's latent path as well. Proceed with it deliberately.
-
-The service-window guard still has value as an OPTIMISATION — avoiding parks we
-can cheaply predict — but it is no longer the correctness mechanism and must not
-be presented as one.
-
-Whatever residual divergence remains after this needs a
-`docs/architecture/retail-divergence-register.md` row measured against retail's
-`GotoLostCell`/`reenter_visibility` behaviour, not against a "retail-shaped"
-label.
-
-## The other blocking findings
-
-**B1 — the headless predicate is not a service window.**
-`HeadlessSessionWorldProjection.cs:254-266` is a pure 3x3 Chebyshev GEOMETRY
-test against `_requestedCenterLandblock`, and returns `true` outright when no
-centre has been requested. Its own pre-existing doc says "can EVER
-collision-publish". The new interface promises "currently published". Signature
-match, predicate mismatch — the same over-permissiveness the graphical adapter
-explicitly rejected `IsNearTierOrPending` for. `IsReady` (`:268-285`) is the
-correct shape and sits fourteen lines below. Remove the "same question" claim.
-
-**B2 — the `ParkCollisionResidents` evidence is void, and the real hazard is a
-different one.** The delivered test demonstrates the two states that were
-already safe and calls `ParkCollisionResidents` DIRECTLY, bypassing
-`TryAcquireCollisionPrefixMutationPermission`'s `HasOldPrefixPlacementDebt`
-check (`:3641-3666`, consumed `:887`) — which is the thing that actually makes
-the throw unreachable. The genuine hazard is not a throw but an **indefinite
-streaming stall**: that predicate refuses permission on every poll while a
-retained retry is held, so the landblock never retires. `RetrySetupUnavailable`
-on an asset that never loads makes it permanent, and `DetachRoute` clears
-`_pending` WITHOUT cancelling the operation, orphaning it until session reset
-while it continues to pin the prefix.
-
-**B3 — `Advance()` re-submits with no service-window re-check** (`:298-332`,
-`SubmitAndResolve` `:334-394`). A retained entry can sit across many frames
-while its destination retires.
-
-**B4 — `Committed` leaves an untracked live operation.** It returns and retains
-nothing while the operation sits at `AwaitingCommitAcknowledgement`, retired
-only by `AcknowledgeProjection`. `RemotePlacementDrivePendingCount` cannot see
-it, so the ledger is blind to exactly the class that produces B2's stall.
-
-**B5 — N3's actual fix is untested.** `HeadlessSessionHost.cs:328` has zero
-coverage; the new test hand-builds the route and never touches `Tick`. Also:
-per-tick `RetryPendingProjections()` does `_pendingProjection.Values.ToArray()`,
-a new per-tick allocation K4's 30-session envelope was measured without; and
-headless dereferences the route directly with no generation latch, where
-graphical goes through `RuntimePlacementProjectionRetrySlot` which refuses a
-stale-generation callback.
-
-**B6 — `OwnsPlacement` keys on Disposition alone** (`:189-191`). The classifier
-also emits `SetPositionSimple` for the local player's FORCE_POSITION and
-teleport branches, and `SetPosition` for every initial Create. `record` and
-`route` are separate parameters, so a mismatched pair is expressible. One
-`route.OperationKind is RemoteAuthoritative` guard makes ownership exact.
-
-**B7 — three comments cite a "route 4b-1 report" that does not exist**
-(`GraphicalRemotePlacementServiceWindow.cs:57`,
-`RuntimeRemotePlacementDriveController.cs:122`, and the test file `:28`). Two of
-them point at precisely the evidence the contract demanded.
-
-**B8 — advisory for 4b-2/4b-3**: retail arms `ConstrainTo` even when the
-placement failed, so the successors must arm on refusal/rejection too, not only
-on commit. "Arm on Committed" is the natural misreading and is the same shape as
-the already-recorded unarmed-leash bug.
-
-## Verified correct — do not churn
-
-- Both omissions are right: `SendPositionEvent` is local-player-FORCE-only
- (@0x00454091 inside the @0x0045400C gate); the remote arm @0x0045414D has no
- equivalent, and retail never re-attempts — stale timestamps just bump
- `error_count` @0x004542AC.
-- The disposition mapping is exact for Remote-kind routes: `SetPosition` ≡
- teleport-or-cell-less (@0x00516386, flags 0x1012), `SetPositionSimple` ≡ far
- snap (@0x005163C1-E8).
-- The graphical co-extensivity argument holds in both directions, independently
- verified by both reviewers. `IsNearTier` over `IsNearTierOrPending` is right.
-- Contract item 2 holds: no production caller, no behaviour change, ledger
- member always 0 in production.
-- The "Do NOT touch" list was respected — AP-135's writes, the teleport classes,
- the legacy far halves, the single `ConstrainTo` site, route 1's executor.
-- Per-entity mechanics are otherwise sound: incarnation-keyed identity,
- self-heal, `_driveScratch` snapshotting, `_driving` re-entry guard.
-- N3's ordering matches the graphical route.
-
-## Gate
-
-Complete Release suite, not a subset. Baseline **10,938 / 4 / 0**; the 4b-1
-state measured 10,955 / 4 / 0 while being defective. Two known flakes, do not
-chase and do not conflate: **#302** (`PortalProjectionTests…`, GC-allocation
-assertion, App.Tests) and **#308** (`NakEmissionTests.LossSoak_…`, wall-clock
-deadline, Core.Net.Tests, full-suite load only).
diff --git a/docs/research/2026-08-04-c4-route-4b-2-contract.md b/docs/research/2026-08-04-c4-route-4b-2-contract.md
deleted file mode 100644
index c859a0d8..00000000
--- a/docs/research/2026-08-04-c4-route-4b-2-contract.md
+++ /dev/null
@@ -1,119 +0,0 @@
-# C4 route 4b-2 — remote far-snap: pinned contract (2026-08-04)
-
-Split rationale:
-[`2026-08-04-c4-route-4b-scoping-and-split.md`](2026-08-04-c4-route-4b-scoping-and-split.md).
-4b-1 (the infrastructure) landed dormant at `2e8e09ac`; the park restore it
-depends on landed at `634bc551`.
-
-**4b-2 flips ONE classifier branch on: `SetPositionSimple` — contact,
-`PlayerDistance >= 96 m`.** Teleport and cell-less stay legacy; 4b-3 owns them.
-
-## Retail truth — verify each yourself
-
-`CPhysicsObj::MoveOrTeleport` @0x00516330, far branch @0x005163C1-@0x005163E8:
-
-```
-if (player_distance >= 96f) {
- if (position_manager != 0) PositionManager::StopInterpolating(position_manager);
- CPhysicsObj::SetPositionSimple(this_1, arg2, 1);
- return 1; // @0x005163E8
-}
-```
-
-Two things that decide this slice:
-
-1. **`StopInterpolating` runs BEFORE `SetPositionSimple`** (@0x005163CB before
- @0x005163D9). The classifier already carries `StopInterpolating: !nearby`.
- Preserve the order.
-2. **The branch returns 1**, so `SmartBox::HandleReceivedPosition`
- @0x00454254 takes the nonzero path and arms `ConstrainTo` @0x00454272,
- anchored to `&arg2->m_position` read live — i.e. POST-move.
-
-`SetPositionSimple` @0x005162B0 with `arg3 != 0` builds flags `0x1012`
-(`Teleport|Slide|SendPositionEvent`) — the classifier's
-`AuthoritativeTeleportFlags`.
-
-**`MoveOrTeleport` discards `SetPositionSimple`'s `SetPositionError` return and
-returns 1 regardless.** So retail arms the leash even when the placement failed.
-4b-2 must arm on refusal and rejection too, not only on commit. "Arm on
-Committed" is the natural misreading and is the same shape as the already-filed
-unarmed-leash bug.
-
-## Scope
-
-**Flip on:** `SetPositionSimple` for `RuntimePositionEntityKind.Remote`, routed
-through 4b-1's `RuntimeRemotePlacementDriveController`.
-
-**Delete** (far half only, both arms):
-- The player-remote far branch and its `MaxPhysicsDistance = 96f` /
- `BodySnapThreshold = 4f` constants.
-- The NPC-remote copy and its `MaxPhysicsDistanceNpc` / `BodySnapThresholdNpc`.
-- Both `_playerController?.Position ?? Vector3.Zero` fabrications on those
- paths. `GameRuntime` states the rule for this field: a null controller "must
- yield null, never a fabricated Vector3.Zero that would misclassify every
- remote entity as implausibly far."
-
-**Do NOT touch:** `RemoteTeleportController`, `RemoteTeleportPlacement`,
-`remotePlacementRequired`, the teleport/cell-less branches, AP-135's two
-airborne writes, the near/interpolate path 4a owns, the airborne no-op, or
-route 1's executor.
-
-## The trap that will bite you
-
-**Deleting the legacy far block removes the only handler for `null` and
-`Rejected*` classifications.** `ClassifyRemoteAcceptedPosition` returns null
-whenever `_playerController` is null — **during the login window that is every
-remote packet.** Today those fall into the legacy block and hard-snap. Delete it
-without an explicit replacement and remotes will not move at all until the local
-controller exists.
-
-Retail has no analogue because retail always has a player. This needs a stated
-acdream policy, decided deliberately and recorded — it is the same shape as
-route 4a's "'not Interpolate' is not 'far'" finding, one level up.
-
-## AP-87 does not apply here
-
-AP-87's `bodyToTarget > 4 m` and `!willBeDrTicked` conditions are **near-branch**
-guards: they decide snap-vs-enqueue within `Interpolate`. The far branch snaps
-unconditionally, so they are subsumed. **Do not carry them forward into a branch
-that does not need them** — but do not delete the near-branch copies either;
-those are 4a's and still load-bearing.
-
-## Contract
-
-1. `SetPositionSimple` for remotes executes through 4b-1's owner; nothing else
- changes classification.
-2. `StopInterpolating` precedes the placement, matching @0x005163CB.
-3. `ConstrainTo` is armed once, after the operation, anchored post-move, on
- commit **and** on refusal/rejection — retail arms on any nonzero return.
- Do not add a second arming site; retail has exactly one (@0x00454272).
-4. `null` and `Rejected*` have an explicit, stated handler. No silent drop.
-5. No behaviour change to teleport, cell-less, near/interpolate, or airborne.
-6. Both hosts drive the identical Runtime entry point, or the divergence is
- stated plainly rather than satisfied vacuously.
-7. Per-entity currency across GUID reuse, incarnation, generation, teardown.
-
-## Acceptance
-
-- Focused Runtime tests for the far branch, the `StopInterpolating` ordering,
- the arm-on-failure case, and the null/`Rejected*` policy.
-- **Behavioural** App tests — not source-text pins. Route 2 settled for a pin
- and that gap is #292; route 4a's first attempt shipped tautologies that
- passed with production reverted. A test that cannot fail against a broken
- implementation is worse than no test.
-- Complete Release suite green. Baseline **10,973 / 4 / 0**. Two known flakes,
- do not chase and do NOT conflate: **#302** (`PortalProjectionTests…`,
- GC-allocation assertion, App.Tests) and **#308** (`NakEmissionTests.LossSoak_…`,
- wall-clock deadline, Core.Net.Tests, full-suite load only).
-- **Connected gate (user-gated), and it is easy**: stand still in open ground;
- second character runs past ~100 m, stops, turns, runs back, three or four
- times. Correct: they stay visible and correctly positioned at range, and
- resume smooth interpolation on the way back in with no jolt at the crossover.
- Regressions: a freeze or stutter at the boundary, a Z pop, a vanish, or —
- the loud one — invisible-but-solid on the way back in.
-
-## Budget
-
-**~350-500 non-comment production lines.** For calibration: route 4a was 364
-(91% of its ~400), and 4b-1 was 230 plus a 57-line park fix. Exceed 500 and stop
-and report rather than pushing through.
diff --git a/docs/research/2026-08-04-c4-route-4b-2-delta-review-findings.md b/docs/research/2026-08-04-c4-route-4b-2-delta-review-findings.md
deleted file mode 100644
index d95be9cb..00000000
--- a/docs/research/2026-08-04-c4-route-4b-2-delta-review-findings.md
+++ /dev/null
@@ -1,232 +0,0 @@
-# C4 route 4b-2 — delta review FAIL (round 2 correction), 2026-08-04
-
-Both delta Opus reviews returned **FAIL** on the fix round. Original slice is WIP
-`dfd27896`; the fix round is uncommitted on top of it.
-
-The fix round did real work and most of it is verified correct — see
-"Do not churn" at the end. Two defects block, and one of them is worse than the
-defect the round was fixing.
-
-## MAJOR A — the `store_position` fallback fires on the two retail paths that decline to store
-
-The round's load-bearing claim (`RuntimeRemotePlacementDriveController.cs:549-553`
-and AP-138 part 1) is that retail's non-storing returns "are reached only after a
-cell resolved and the transition ran — states this controller's non-commit
-outcomes never represent, because they all mean the placement never executed."
-
-**The second clause is false for `Rejected`.**
-
-Retail, `CPhysicsObj::SetPositionInternal` @0x00515BD0:
-- `CheckPositionInternal == 0` @0x00515C85 → `handle_all_collisions` @0x00515CC2
- → `return ((eax_14 - eax_14) & 2) + 2` @0x00515CD5 → **2 or 4**. No store.
-- `sphere_path.curr_cell == 0` @0x00515C8F → `return 3` @0x00515CB2. No store.
-
-acdream ports that enum literally — `PhysicsSetPosition.cs:12-20`
-(`NoValidPosition = 2, NoCell = 3, Collided = 4`, doc-commented against
-`acclient.h` enum 491). The producing chain:
-`PhysicsEngine.cs:1548-1575` / `:1580-1584` → `RuntimeSetPositionState.cs:3034-3039`
-(`if (!result.IsSuccessful) return Outcome(Rejected, …)`), which is **after**
-`_physics.Engine.SetPosition(...)` at `:2983` → `RuntimeRemotePlacementDriveController.cs:775-780`
-`default:` → `Rejected` → `:578-579` stores.
-
-So a far snap whose destination the engine's own sweep refuses — a remote
-server-snapped into geometry, or into a cell the sphere path cannot resolve —
-now teleports the canonical body into that refused destination. Retail leaves the
-object where it was. Reachable in the ordinary case: `CanAttemptDestination`
-passing means collision *is* published, which is exactly when the engine runs.
-
-**Worse sub-case:** `RuntimeSetPositionState.cs:3057-3081` returns `Cancelled`
-**after `CommitCanonical` succeeded** ("retail lets that physical commit land
-regardless"). `Cancelled` also falls into `default:` → `Rejected` → the fallback
-overwrites the just-settled body (contact plane, step-down) with the raw
-unresolved destination. `RemoteMotion.Body` **is** `record.PhysicsBody` in
-production (`RuntimePhysicsState.cs:1039`, sole construction site).
-
-**Zero of the five new non-commit tests cover `Rejected`.** The 10-row
-discrimination table has no row for the one outcome where the fallback is wrong.
-
-### The required partition
-
-- **Store** (placement genuinely never executed → retail @0x00515C1D
- `store_position`): `Refused`, `Contention`, `NotApplicable`, **and** `Rejected`
- arising from a *preparation* failure (`InvalidData`/`RejectedAuthority`,
- `:770-773`) which never reached the engine.
-- **Do not store** (engine ran and refused → retail @0x00515CB2 / @0x00515CD5):
- `Rejected` arising from `outcome.Status`, and `Cancelled`-after-commit, which
- must not overwrite a settled pose.
-
-**The status enum is too coarse to express this.** Widen it or thread the
-originating outcome; do not approximate it with a heuristic.
-
-## MAJOR B — the quiescence pre-flight is incomplete on BOTH sides
-
-Both reviewers found this independently by different routes. `CanAttemptDestination`
-(`RuntimeRemotePlacementDriveController.cs:911-915`) tests one prefix, and
-`IsCollisionPrefixQuiescing` (`RuntimeSetPositionState.cs:827-829`) masks to that
-one prefix, called with the **destination** only.
-
-Core's predicates are broader in two independent ways:
-
-1. **Source landblock** — `PlacementTouchesPrefix` (`:3836-3841`) also matches
- `request.CurrentCellId`, populated from `operation.Record.FullCellId` whenever
- `body.InWorld` (`:2884-2888`). A far snap *out of* a quiescing landblock passes
- the pre-flight and parks at `:2946`/`:2974`. **This is the likelier shape** —
- streaming retires and republishes continuously, and a remote at >=96 m sits
- near the window edge where retirement happens.
-2. **Swept neighbour** — `ResultTouchesPrefix` (`:3843-3858`) scans **every**
- `QueriedCellIds` entry. That footprint provably spans neighbour landblocks:
- `PhysicsEngine.cs:1347` binds it to the transition's candidate array,
- materialized at `:1384`; `CellArray.Add` mirrors every id
- (`CellArray.cs:43-52`); `CellTransit.FindCellSet` (`TransitionTypes.cs:3521-3527`)
- reaches `AddAllOutsideCells` (`CellTransit.cs:918`, `:985`); and
- `AddOutsideCell` (`CellTransit.cs:375-384`) states explicitly there is **no
- same-block filter** — neighbour cells come out with the neighbour's prefix,
- added whenever the sphere is within its radius of a boundary
- (`AddAllOutsideCells:337-350`).
-
-Either route reaches `ParkDeferred` with `restorableOnCancel` defaulting **false**
-(`:4276`), so `CancelToken`'s `restoreCancelledPark: true` finds
-`ParkWithdrawal.Captured` false (`:3399-3410`, `:4285`) and `RestoreParkWithdrawal`
-never runs. The remote is left `InWorld = false`, `Active` cleared, clock
-suspended, `FullCellId = 0`, spatial projection withdrawn (`:4294-4311`), with the
-only operation that could wake it destroyed. The fallback pose write does not
-help — it writes a pose to a withdrawn body, which merely makes the stranding
-invisible to a position assertion.
-
-**A pre-flight cannot close this.** The sweep footprint does not exist until the
-sweep has run. This is the same structural conclusion 4b-1's review reached, and
-`SubmitAndResolve`'s own comment at `:768-770` cites `TryGetBlockingQuiescence` by
-name as the residual — recording the hole while the code claims to close it.
-
-### MAJOR C — even a would-COMMIT placement is converted to a non-restorable park
-
-`:3012`'s check is `result.IsSuccessful && TryGetBlockingQuiescence(...)`, and
-`IsSuccessful` is `Error == Ok` (`PhysicsSetPosition.cs:151`) — true for a fully
-committed result. It sits **ahead** of the restorable `result.IsDeferred` park at
-`:3050-3054`. So a healthy, resident, about-to-commit far snap near a seam is
-rewritten to `DeferredCell` at `:3017-3020` and parked non-restorably. The claim
-that "the restorable engine-result park stays reachable" holds only when no
-quiescing prefix is touched; the quiescence branch pre-empts it.
-
-### The pinned fix — at the source, as the campaign already decided
-
-AP-136's blanket "every quiescence/retirement park is non-restorable" is
-**over-broad for the two `SubmitPreparedPlacementCore` parks**. Its stated reason
-— re-admitting a spatial root into a retiring prefix would block the retirement —
-is about `ParkCollisionResidents` (`:3683`), where the entity's **own** cell is
-retiring and `IsAffectedCollisionResident` (`:3722-3738`) /
-`HasOldPrefixPlacementDebt` (`:3809-3834`) would pin the prefix forever.
-
-It does **not** hold at `:2974`/`:3025`: `RestoreParkWithdrawal` restores residency
-at `body.CellPosition.ObjCellId` (`:3475`) — the destination cell — while the
-blocking prefix is the merely-swept neighbour or the departed source. Restoring
-there re-admits nothing into the retiring prefix.
-
-**Make `:2974`/`:3025` restorable when the restore cell's prefix differs from the
-blocking quiescence prefix.** Keep `CanAttemptDestination` as an optimisation —
-it uses Core's own read-only predicate, is exact within its subset, adds no
-timer/retry/flag, and strictly shrinks the reachable set. It must simply stop
-being the correctness mechanism. Update AP-136 and AP-138(2) to match.
-
-## MAJOR D — `StoreAcceptedDestinationPose` writes through a possibly-superseded incarnation
-
-`CancelToken` publishes its receipt **synchronously**
-(`RuntimeRemotePlacementDriveController.cs:925-930`), and this same diff's own doc
-(`LiveEntityNetworkUpdateController.cs:1005-1018`) states a caller "MUST
-re-validate position ownership … on EVERY placement status, before writing
-anything else for the packet". `:576-580` calls `StoreAcceptedDestinationPose`
-immediately after that dispatch with **no currency check**. `RestoreParkWithdrawal`
-does guard (`RuntimeSetPositionState.cs:3468-3469`). The App-side re-validation
-happens only after the seam returns — too late.
-
-This is the exact rule the R5 fix in this same diff introduced. One
-`IsCurrent(record)` test closes it.
-
-## MINOR
-
-- **N1 — `Advance()`'s window-drop path is asymmetric.** `:692-696` calls
- `CancelToken` without `StoreAcceptedDestinationPose`, so a retained retry whose
- destination leaves the window reproduces a smaller version of the freeze this
- round exists to fix. Its comment at `:685` still claims the entry point "keeps
- its last committed pose" — no longer true.
-- **N2 — post-sweep quiescence park overwrites a settled pose.** At `:3017` the
- parked `result` is the committed one, whose `Position` is `spherePath.CurPos`
- (`PhysicsEngine.cs:1605`) — collision-settled. `ParkDeferred:4290` snaps there;
- `StoreAcceptedDestinationPose:627-630` then writes the raw destination over it.
- Latent while MAJOR B stands; live the moment the park becomes restorable.
-- **N3 — `Advance()` reopens the `CurrentCellId` condition.** `:690-702` re-checks
- only `CanAttemptDestination(destination)`. Non-Position rebucket paths
- (`RemoteTeleportController.cs:532`, `DatLiveEntityProjectionMaterializer.cs:777`,
- `EquippedChildRenderController.cs:408`) can move `record.FullCellId` to a third,
- quiescing landblock in between.
-- **N4 — five stale comments, inside the round meant to end the disease.**
- `:777-778` ("Rejected/Cancelled — … so the body never moved") is the one whose
- correctness would have exposed MAJOR A. Also `:685` (N1), `:91-93`
- (`Rejected`'s doc omits the engine-refusal producer), `:2144-2151` (doesn't
- mention the guard now in front of it), `:2183-2187` (provenance claim fine,
- value claim false). And `LiveEntityNetworkUpdateController.cs:1078-1079` cites
- `:1886`/`:2130` where the actual early returns are `:1977`/`:2241` — wrong
- citations *in the fix for the stale-comment finding*.
-- **N5 — `NotApplicable` via `record.PhysicsBody is null`** (`:436`) still runs the
- fallback, writing a `RemoteMotion` body that in that state is not the canonical
- one (`RemoteMotion.cs:271`).
-- **N6 — `teleport_hook` enumeration incomplete.** @0x00514ED0 also calls
- `report_collision_end(this, 1)` @0x00514F31, omitted from
- `RuntimeRemoteFarSnapPosition.cs:454-457` and AP-137.
-- **N7 — a test assertion is order-dependent.**
- `RemotePlacementLedger_ConvergesAcrossGuidReuse_WithoutTeardown:708-711` —
- `Assert.Equal(0, drive.PendingCount)` is zero only because the preceding
- `CaptureOwnership()` invoked `CountLivePending`, which **mutates** `_pending`.
- Swap the asserts and it fails. Also omits `AssertConverged`.
-
-## Required tests
-
-- `Rejected` from an engine refusal: assert the body does **not** move.
-- `Cancelled`-after-commit: assert the settled pose survives.
-- `Rejected` from a preparation failure: assert the body **does** advance.
-- Quiescing **source** landblock: far-snap out of it, assert
- `body.InWorld && record.ObjectClock.IsActive && record.FullCellId != 0`.
-- Quiescing **neighbour**: far-snap to a point one sphere radius inside a
- landblock seam with the neighbour quiescing, same assertions.
-- `Advance()`'s window-drop path: assert the pose advances.
-
-## Do not churn — independently verified correct
-
-- The retail decode of `SetPositionInternal`'s storing branch (@0x00515CDA →
- @0x00515CE2 → @0x00515CF2 → @0x00515CF7 → `return 0` @0x00515D07). Exact.
-- **R2's deferral to 4b-3 is the right call**, and both reviewers agree.
- `teleport_hook` @0x00514ED0 runs *before* the placement @0x00516420, so a
- pose-only half-port would strand a live moveto, stick, and leash.
- `RuntimeTeleportHookPhase.BeforePositionOperation` exists
- (`RuntimeAuthoritativePositionRouteClassifier.cs:410`) and is recorded-and-dropped
- for the remote arm — a representable delta with the data model already present.
-- **The carried `SEND_POSITION_EVENT_SPF = 0x1000` question is SETTLED: the flag
- is inert.** @0x00515330 takes `(CPhysicsObj*, CTransition const*)` — no struct;
- @0x00515BD0 reads only bit 5; @0x00516040 tests only bits 8/9; a tree-wide
- search finds no bit-12 test on a `SetPositionStruct`.
-- **Pose parity and the decoy.** `TryGetWorldFrameOffset` is the source of
- `ShadowWorldOffsetX/Y`; `StoreAcceptedDestinationPose:627-635` composes
- identically to `RuntimeSetPositionMoverPreparer.TryBuild`
- (`RuntimeSetPositionMoverPreparation.cs:155-168`). `worldPos` is **not** an
- input — the decoy retains its discriminating power.
-- The status is genuinely no longer discarded; both arms thread
- `RemoteContactRouting(Arm, Placement)`.
-- Register bookkeeping: `grep -c "^| AP-"` = 96, header updated, no duplicates,
- nothing retired kept a row.
-- R5's ordering is identical in both arms, and its "not constructible" claim
- holds — though it is the standard signal the guard belongs behind a testable
- Runtime seam rather than duplicated at two App call sites. Name that for 4b-3.
-- The `StopInterpolating` "unobservable" claim is **true**:
- `TryExecuteAcceptedRemotePosition` never receives `remote`, and no placement or
- projection path reads or writes the queue. Stating it beats a false pin.
-- R7's `Assert.True(remote.Interp.IsActive)` genuinely closes its hole. R8's two
- park tests provoke their states honestly.
-- AP-136's scoping was read correctly and was not retrofitted (untouched in the
- diff).
-
-## Gate
-
-Complete Release suite. **Baseline 10,968 / 4 / 0** at `1b631f12` (App 4088,
-Runtime 1073), measured. The fix round measured 10,997 / 4 / 0 while containing
-every defect above. Known flakes: **#302** (`PortalProjectionTests…`, App.Tests)
-and **#308** (`NakEmissionTests.LossSoak_…`, Core.Net.Tests). Do not conflate.
diff --git a/docs/research/2026-08-04-c4-route-4b-2-review-findings.md b/docs/research/2026-08-04-c4-route-4b-2-review-findings.md
deleted file mode 100644
index c68a2749..00000000
--- a/docs/research/2026-08-04-c4-route-4b-2-review-findings.md
+++ /dev/null
@@ -1,206 +0,0 @@
-# C4 route 4b-2 — dual review FAIL + the pinned correction (2026-08-04)
-
-Both mandated Opus reviews returned **FAIL**. Nothing is committed as final; the
-work sits at WIP `dfd27896`.
-
-Review A (retail faithfulness + deletions) confirmed **every retail citation**
-independently, including the x87 parity decode proving exactly 96.0 takes the
-FAR branch. The deletions are complete and exact, the "Do NOT touch" list was
-respected, AP-87 was neither carried onto the far branch nor deleted from the
-near branch, and the two-site `ConstrainTo` partition is exhaustive and disjoint.
-Review B confirmed the `worldPos` decoy genuinely discriminates, both test
-removals are real replacements rather than drops, and `OwnsFarSnap` is exact
-against every classifier emission site. **Do not churn any of that.**
-
-## The one root defect — everything else is downstream
-
-**A refused / contended / rejected far snap leaves the remote frozen with an
-emptied interpolation queue.**
-
-`ApplyRemoteContactRouting` discards the status
-(`LiveEntityNetworkUpdateController.cs:1002`, `_ = placementDrive.…`), while
-`Interp.Clear()` has already run unconditionally on the route flag
-(`RuntimeRemotePlacementDriveController.cs:485-487`). Three of five outcomes
-move nothing: `Refused` (`:405`, `:624`), `Contention` (`:414`, `:588`),
-`Rejected` (`:592`, `:630`). The body keeps its stale pose, the queue is empty,
-and the next 5-10 Hz packet reproduces the state.
-
-**Reachable, not theoretical.** The graphical service window is
-`GpuWorldState.IsNearTier` — collision-published *right now*
-(`GraphicalRemotePlacementServiceWindow.cs:89-90`) — with default near radius 4
-(`GameWindow.cs:145`). A remote that is rendered but still streaming is refused
-while genuinely beyond 96 m. `RetrySetupUnavailable` is reachable for any remote
-whose prepared Setup collision has not resolved.
-
-**Retail never does this.** The far branch always calls `SetPositionSimple`
-@0x005163D9, and even when `SetPositionInternal` finds no cell it still commits
-the destination pose — `store_position` @0x00515CE2, then
-`GotoLostCell` @0x00515CF2 and `reenter_visibility` on cell arrival. That is the
-finding AP-136 is built on. The deleted legacy block also always tracked. **The
-shipped state is strictly further from retail than either.**
-
-### Both reviewers' second MAJOR collapses into this one
-
-Review B rated the `TryAdoptWireCellAfterRouting` arm-asymmetry MAJOR, arguing a
-refused player far snap leaves `record.FullCellId` a landblock away from the
-body and that `rmState.CellId` seeds the per-tick sweep — the #184
-invisible-but-solid producer.
-
-Review A found the same asymmetry and rated it MINOR with the mechanism:
-`RebucketLiveEntity(update.Guid, p.LandblockId)` at `:1592` has **already**
-committed the wire full cell to canonical
-(`LiveEntityRuntime.cs:895-909`), and `RemoteMotion.CellId` reads through to
-`record.FullCellId` for every bound remote (`RemoteMotion.cs:169-176` +
-`RuntimePhysicsState.cs:965-984`). **Review A is right on the mechanism.** The
-suppressed write is a no-op on refusal.
-
-**Resolution: the cell/body divergence is real but is caused by the frozen body,
-not by the suppression.** Fix the freeze and it disappears. Do not restructure
-the suppression to chase it.
-
-## The correction — pinned, not open for redesign
-
-**On every non-commit outcome the far arm must still advance the body to the
-accepted destination pose.** That is retail's `store_position`, and it restores
-the tracking the deleted legacy block had.
-
-Constraints on the fix:
-
-- The status must stop being discarded at `:1002`.
-- The service window stays an **optimisation**, not a correctness mechanism —
- 4b-1's review already ordered that framing corrected and it shipped
- uncorrected. Do not delete it; do not let it be the reason a remote stops
- tracking.
-- Do **not** add a timer, retry, settle window, or suppression flag. The
- fallback is a pose write because retail writes the pose, not because it makes
- a symptom go away.
-- `LiveEntityNetworkRemoteFarSnapIntegrationTests.cs:120-147` currently
- **pins the freeze as correct** (`Assert.Equal(before, body.Position)`). It
- must be inverted, not deleted quietly.
-
-## Also required
-
-**R1 — AP-137's justification is factually wrong (review A M2).** The row claims
-the deleted `_playerController?.Position ?? Vector3.Zero` distance had "no
-relationship to `player_distance`". It was streaming-origin-relative
-(`LiveEntityNetworkUpdateController.cs:1360-1366`) and the streaming origin
-recentres on the player's landblock — a biased but genuinely correlated proxy,
-error bounded by roughly one landblock. The policy may still be right; the
-stated reason is not true. Rewrite it to say what the deleted test actually
-computed.
-
-**R2 — AP-137 must state the cell-less delta (review A M3).** Retail routes a
-cell-less body through @0x00516386 → `SetPosition` @0x00516420, an
-**unconditional placement** sitting *before* the contact test. 4b-2 routes that
-classification into `ApplyInterpolate`, which **enqueues** whenever
-`!firstUp && willBeDrTicked && bodyToTarget <= 4 m`. For a cell-less remote
-already tracking, acdream now queues where retail places — at *any* distance,
-not only >=96 m. State it. If it should instead place, say so and change it.
-
-**R3 — AP-137 must state that `RejectedData` is applied anyway.** It is the one
-classification meaning "this payload failed validation"
-(`classifier.cs:535-547`), and `UnroutedCatchUp` hands the same payload to
-`ApplyInterpolate`. Not a regression — the legacy block did the same — but the
-slice's stated purpose was an explicit handler, and the row omits it.
-
-**R4 — a register row for the refusable far placement.** `grep` for
-"Refused|service window" in the register returns zero. 4b-1 was dormant and owed
-nothing; **4b-2 is the commit that makes it live and therefore owes the row**
-(CLAUDE.md register rule 1). Whatever residual divergence survives the fix above
-gets measured against retail's `store_position`/`GotoLostCell` behaviour.
-
-**R5 — the two arms' guard/arm ordering must be identical (review A M4).**
-
-| arm | routing | re-entrancy guard | post-op arm |
-|---|---|---|---|
-| player | `:2020` | `:2047-2054` (`return`) | `:2037` — **before** the guard |
-| NPC | `:2202` | `:2214-2221` (`return`) | `:2235` — **after** the guard |
-
-The NPC arm therefore arms `ConstrainTo` **zero** times on a superseded
-incarnation, where retail arms unconditionally on the nonzero return
-@0x00454254/@0x00454272. The player arm arms the leash on a possibly-superseded
-`rmState.Host`. This also contradicts the diff's own new remarks at `:958-966`
-("MUST re-validate … before writing anything else for the packet") — the player
-arm writes the leash first.
-
-**R6 — six comments the change falsifies** (review A m6; review B found the same
-class independently as N6). This is the **fifth** consecutive slice shipping
-stale comments asserting behaviour the code no longer has:
-`LiveEntityNetworkUpdateController.cs:835`, `:868`, `:1589-1591`, `:2076-2081`;
-`RuntimeEntityObjectLifetime.cs:600-605`; and
-`RuntimeRemotePlacementDriveController.cs:106-143`, which still headlines "The
-central decision — refuse, do not park" and asserts a cancelled park leaves the
-entity invisible and intangible for the session — falsified at HEAD by the park
-restore **this same class's** `CancelToken` uses (`:698-703`). 4b-1's review
-already ordered that one corrected.
-
-**R7 — three tests assert less than their names claim (review B N2/N3).**
-- `NoClassificationAtAll_NearAndTicked_EnqueuesInsteadOfSnapping`
- (`:191-213`) never inspects `remote.Interp`. A regression to "snap when
- `bodyToTarget > 4 m`, else do nothing" passes it *and* its sibling. One
- `Assert.True(remote.Interp.IsActive)` closes it.
-- The `StopInterpolating` ordering test (`RuntimeRemotePlacementDriveControllerTests.cs:830-871`)
- proves the clear is unconditional, not that it precedes the placement. Its doc
- comment claims proof it does not have. Either pin the order or state plainly
- that it is unobservable in acdream.
-
-**R8 — the `DeferredCell` park branch has zero coverage (review B N5).** The
-opt-in chain is correct by reading (`:623` → `:698-703` →
-`RuntimeSetPositionState.CancelCore` → `RestoreParkWithdrawal`), but no test in
-4b-1 or 4b-2 exercises it, and the far arm is the first production path that can
-provoke a park. Add the test: commit the destination collision generation, open
-a `CollisionPrefixQuiescence` on the destination prefix, far-snap, then assert
-`body.InWorld && record.ObjectClock.IsActive && record.FullCellId != 0`.
-
-**R9 — currency across GUID reuse / incarnation / generation is undelivered
-(review B N4).** Contract item 7 named five dimensions; two shipped
-(interleaving, teardown). `_pending` and `_awaitingAcknowledgement` are keyed by
-`RuntimeEntityKey` (guid+incarnation), so a reused GUID makes a *new* key and the
-old entry self-heals only on a ledger read (`:670-688`) or in `Advance()`
-(`:513-525`), which early-returns unless something is pending. Dead-incarnation
-entries accumulate until `DetachRoute`. Converges at teardown; does **not**
-converge in-session. Add the test: far-snap `G` at incarnation 1, retire it,
-re-create `G` at incarnation 2, assert `RemotePlacementDrivePendingCount == 0`
-**without** a teardown.
-
-**R10 — `AirborneNoOperation` falls into `default:`** (review A m7). Unreachable
-today — both callers early-return (`:1876-1881`, `:2130-2136`) — but the
-`default:` comment asserts unreachability where an explicit case enforces it.
-
-## Not blocking, recorded
-
-- **n8**: `OwnsFarSnap` also matches the classifier's FORCE_POSITION shape
- (`classifier.cs:329-345`), unreachable for remotes via `ValidAcceptedAuthority`
- (`:522-525`) and `PhysicsTimestampGate` (`:190`). Defense-in-depth; note only.
-- **NOT VERIFIED, carried**: what `SetPositionInternal` @0x00515330 does with the
- 0x1000 (`SendPositionEvent`) bit, which reaches
- `TryPrepareAndSubmitAuthoredPlacement` for the far snap while the controller
- doc argues acdream has "no ack" for remotes. Those are two different things
- (the `SetPositionStruct` flag vs `CommandInterpreter::SendPositionEvent`
- @0x00454091); 4b-1's review cleared only the latter. Settle with a read of
- @0x00515330-@0x00515543.
-- **Process**: `ParkCollisionResidents_StaysUnreachable_AfterRefusalAndAfterCommit`
- (`RuntimeRemotePlacementDriveControllerTests.cs:782`) still calls the method
- directly at `:824` — the shape 4b-1's finding B2 declared void. It shipped at
- `2e8e09ac`, so it is outside this diff, but it is in the tree being counted as
- evidence.
-- **Headless (contract item 6) is satisfied vacuously.** Nothing in headless
- constructs the drive controller and `RuntimeLiveEntitySessionController.OnPositionUpdated`
- returns early for every non-local GUID (`:212-217`). The contract allowed this
- only if stated plainly; AP-137 does not mention headless, and
- `IRuntimeRemotePlacementServiceWindow`'s doc still describes the headless
- implementation as a live consumer. State it.
-
-## Gate
-
-Complete Release suite, not a subset. **Corrected baseline: 10,968 / 4 / 0** at
-`1b631f12`, measured independently in a throwaway worktree (App 4088, Runtime
-1073). The 10,973 figure in the 4b-2 contract was wrong and propagated from an
-earlier mis-record — an inflated baseline is exactly what would let a future
-slice delete tests and still look green. The WIP state measured 10,990 / 4 / 0
-while containing the freeze defect above.
-
-Two known flakes, do not chase and do NOT conflate: **#302**
-(`PortalProjectionTests…`, GC-allocation assertion, App.Tests) and **#308**
-(`NakEmissionTests.LossSoak_…`, wall-clock deadline, Core.Net.Tests, full-suite
-load only).
diff --git a/docs/research/2026-08-04-c4-route-4b-2-round3-correction.md b/docs/research/2026-08-04-c4-route-4b-2-round3-correction.md
deleted file mode 100644
index f6900149..00000000
--- a/docs/research/2026-08-04-c4-route-4b-2-round3-correction.md
+++ /dev/null
@@ -1,211 +0,0 @@
-# C4 route 4b-2 — round 3 correction (2026-08-04)
-
-Both round-2 reviews returned **FAIL**. The findings are now small and local;
-this is a closing-out round, not a structural change.
-
-**Do NOT revert the shared-core park change.** Both reviewers verified it removes
-a session-permanent strand from routes 1 and 2:
-`RuntimeEntityObjectLifetime.cs:1767-1769` calls
-`Forget(canonical, restoreCancelledPark: true)` on **every** accepted Position for
-**every** entity, so before this round a local-player ForcePosition or a
-first-entry placement that hit either quiescence park was left `InWorld = false`,
-clock suspended, `FullCellId = 0`, with its operation destroyed by the next
-packet. The change is directionally right and fixes shipped behaviour.
-
-## A1 — one relocation closes both shared-core MAJORs
-
-`IsRestorableQuiescencePark` (`RuntimeSetPositionState.cs:3877-3880`) has two
-independent defects, and moving the decision fixes both:
-
-1. **It compares against one quiescence, not the set.** It tests
- `quiescence.Token.LandblockPrefix` — the token `TryGetBlockingQuiescence`
- returned — but both overloads (`:3906-3925`, `:3927-3949`) return the
- **minimum-`OperationId`** match, not the only one. `_collisionPrefixQuiescence`
- is a per-prefix dictionary (`:589`, `:885`) and streaming opens one per
- landblock mutation (activation `RuntimePhysicsState.cs:1820-1824`, retirement
- `:2025-2030`), so a recenter has several live. Source `S` quiescing before
- destination `D`: the predicate tests `D != S`, returns true, and the restore
- re-admits the spatial root into `D`, which *is* quiescing — the AP-136 pin. At
- 5-10 Hz the park→cancel→restore→re-park cycle can starve `D`'s mutation
- permission for as long as `S` stays quiescing (`:927`).
-2. **Its input is not the value the restore uses.** It is fed `deferred.CellId` /
- `held.CellId` (`:2982`, `:3036`), but `RestoreParkWithdrawal` reads
- `body.CellPosition.ObjCellId` (`:3481`), set by `ParkDeferred`'s
- `body.SnapToCell` (`:4346-4349`) → `PhysicsBody.StageDormantCellFrame`
- (`PhysicsBody.cs:212-223`), which for any outdoor cell runs
- `LandDefs.AdjustToOutside`. That function's own doc (`LandDefs.cs:115-122`)
- says the resulting cell id **may belong to a neighbour landblock**.
- Reachability NOT VERIFIED, and the relocation removes the question.
-
-**Fix: move the restorable decision inside `ParkDeferred`, after `SnapToCell`,
-and express it as `!IsCollisionPrefixQuiescing(body.CellPosition.ObjCellId)`.**
-That method (`:827-829`) already exists, is `internal`, masks its own argument,
-and is the pre-flight's own predicate; it subsumes the current test exactly.
-Make it non-static as needed; the `CollisionPrefixQuiescence` parameter then goes
-away.
-
-**Blast radius note that must not be lost:** the remote far-snap arm is *masked*
-from defect 1 by `CanAttemptDestination`'s destination pre-flight
-(`RuntimeRemotePlacementDriveController.cs:599`, `:1155`). The exposed callers are
-**routes 1 and 2**, which have no such pre-flight
-(`RuntimeAcceptedPositionDriveController.TryExecuteAcceptedLocalPosition:330-392`
-goes straight from `ClassifyForcePosition` to `TryBeginExclusiveAuthoredPlacement`).
-All three new quiescence tests drive the remote arm and explicitly assert the
-**safe** configuration (`:1193`, `:1268`), so none of them can see it.
-
-## A2 — two tests the round is missing
-
-- **Concurrent quiescences**, source `OperationId` < destination `OperationId`,
- far snap `S → D`: assert the record is not re-admitted as a spatial root in `D`,
- or that `D`'s mutation permission still converges.
-- **A route-2 local-player ForcePosition** parking at `:2948` under a quiescing
- source: assert `body.InWorld && record.ObjectClock.IsActive &&
- record.FullCellId != 0` after the next packet's merge-time `Forget`.
-
-## A3 — say "blocking prefix", or make it true
-
-`IsRestorableQuiescencePark`'s doc (`:3866-3868`) and AP-136's narrowed row both
-claim "the rollback re-admits nothing into the retiring prefix." It re-admits
-nothing into **the blocking** prefix, which is a different statement. A1's fix
-makes the stronger claim true; if any wording survives it, scope it.
-
-## A4 — #309's acceptance steps are now stale
-
-AP-136 says this needs the two-client connected check in #309, but
-`docs/ISSUES.md` is **unmodified in this diff**. #309's steps (`docs/ISSUES.md:82-95`)
-describe only "a landblock the observer has not streamed" — the plain
-unplaceable park. They do not exercise a quiescing **source** or a quiescing
-**swept neighbour**, which are exactly the shapes this round newly makes
-restorable, and step 4 asks only that route 2's corrections "still land
-unchanged" without naming the local-player-parks-into-a-quiescing-landblock case
-that is now behaviourally different. **Deferring the run is fine; leaving its
-scope stale is not.** Update the steps in this commit. Also AP-136's Risk column
-still says "a remote" — the local player now traverses the same restore.
-
-## A5 — record the dependency at `CanAttemptDestination`
-
-N3's "a retained retry can no longer strand" property and MAJOR 1's masking
-**both** depend on the pre-flight staying in place. The class doc calls it "an
-optimisation" with no mention of either. If it is ever deleted as redundant, both
-re-open silently. Write that down at the pre-flight.
-
-(The round's stated reason for declining N3's `CurrentCellId` re-check — that it
-would "re-derive a private Core predicate outside Core" — is false;
-`CanAttemptDestination` already calls Core's own `internal`
-`IsCollisionPrefixQuiescing`. The conclusion still holds, for the reason above.
-Correct the reason.)
-
-## B1 — a 36-line doc block was detached from its method
-
-`RuntimeRemotePlacementDriveController.cs:1009-1085`. `CountLivePending()` was
-inserted **between** `CountLiveAwaitingAcknowledgement`'s existing doc and its
-method. Now `:1009-1044` (which describes pruning `_awaitingAcknowledgement`, the
-**second** ownership registration, and `_awaitingAcknowledgementScratch`)
-documents `CountLivePending()` at `:1066` — which prunes `_pending`, backs the
-**first** registration, and uses `_pendingScratch`. Every specific is wrong for
-the member it now sits on. `:1045-1065` is a second `` on the same
-member, and `CountLiveAwaitingAcknowledgement()` at `:1085` has **no** doc.
-
-## B2 — the stage rule is true by coincidence and stated as a falsehood
-
-`:172-188` and `:993-1005` assert that `RejectedByPlacement`'s producers are
-"returned AFTER `_physics.Engine.SetPosition` ran". `RuntimeSetPositionStatus.Rejected`
-has **three** producers and only one is post-engine:
-
-| site | what | stage |
-|---|---|---|
-| `:2854` | entry validation (`!ownsToken`, stage mismatch, null body, stale `IsPreparationAuthorityCurrent`, velocity-version mismatch) | **pre-engine** |
-| `:2945` | `!IsStructurallyValid(canonicalRequest)` | **pre-engine** |
-| `:3044` | `!result.IsSuccessful` after the engine ran at `:2997` | post-engine |
-
-Both pre-engine sites reach `SubmitAndResolve`'s `default:` and are filed
-`RejectedByPlacement` → **no store** — contradicting the round's own rule
-(`RejectedPreparation`'s doc `:128-142`) that a producer which never reached the
-engine stores.
-
-The reviewer traced both **unreachable today**, but only by duplicated guards:
-`PrepareMover` (`:1563-1577`) re-checks everything `:2830-2855` re-checks with
-nothing reentrant between; `IsPreparationAuthorityCurrent` (`:5290-5306`) catches
-all seven version dimensions one stage earlier as `RejectedAuthority` →
-`RejectedPreparation`; the `AwaitingCell` divergence needs `DormantLocalActivation`,
-which `:1380` forbids for a record with a body; and `:2945` is shadowed by
-`PrepareMover:1636`'s identical check.
-
-**Either state in the `default:` comment that `:3044` is the only reachable
-producer and why, or thread the stage out of Core so the split is enforced.** As
-written the comment says something false about Core — the same shape as round 1's
-MAJOR A, which was also a false clause in that same comment.
-
-## B3 — the deleted phrase came back
-
-`RuntimeRemotePlacementDriveControllerTests.cs:1191`, an **added** line:
-`// The complete pre-flight passes: it reads only the destination.`
-`CanAttemptDestination`'s doc in the same diff (`:1111-1113`) says it is
-"correcting this comment's earlier 'the complete pre-flight' framing", and the
-whole of MAJOR B is that no pre-flight can be complete. The sentence also
-contradicts itself in eight words.
-
-## Minor
-
-- **m1** — `TryAdoptWireCellAfterRouting`'s new scope paragraph
- (`LiveEntityNetworkUpdateController.cs:1128-1143`) enumerates commit and
- `RejectedByPlacement` and "every outcome that resolved NO cell". `Deferred` is
- in neither: `ParkDeferred:4345-4349` snaps to the parked result cell,
- `WithdrawCanonical` zeroes `FullCellId`, and `RestoreParkWithdrawal:3485-3491`
- re-commits from `body.CellPosition.ObjCellId` — the **swept** cell for the
- post-sweep park, not necessarily the wire cell. Behaviour is unaffected (the
- suppression keys on the arm); the claim is not.
-- **m2** — `Contention`'s doc (`:118-127`) names two producers; there are at
- least four. `TryBeginExclusiveAuthoredPlacement:1349-1354` also refuses on
- `HasRetainedCompletion(key)` — ordinary right after a `Committed` far snap
- whose projection sink declined — and `BeginAcceptedPlacementCore:1404-1418` on
- `!_entities.IsCurrent(record)`. Both pre-engine, so the store side is right.
-- **m3** — the MAJOR D test (`:1516-1552`) reaches the superseded state via
- `lifetime.Entities.RemoveActive(record)` and picks `Refused`, which never calls
- `CancelToken`. It pins that the guard exists, not that it sits **after** the
- synchronous cancellation receipt — the defect's actual mechanism.
-- **m4** — `NotApplicable` via `record.Key is null` (body non-null) stores
- (`:576-581` → `:800`); the enum doc `:97-101` justifies only the no-body
- sub-case. Unreachable in production
- (`RuntimeEntityObjectLifetime.cs:600-612`).
-- **m5** — `ParkCollisionResidents` (`:3689-3696`) relies on `restorableOnCancel`
- defaulting false. The old blanket doc was itself the guard against a forgetful
- caller; now that it is gone, pass `false` explicitly.
-- **n1** — `:644` cites classifier `:467` for `StopInterpolating: !nearby`; it is
- `:468`. Pre-existing.
-- **n2** — `ParkDeferred` carries two adjacent `` blocks
- (`:4292-4301`, `:4302-4325`); only the second is emitted.
-- **n3** — the Runtime test class doc (`:30-33`) asserts every test was
- revert-verified, with no per-test mapping in the tree. Either map them or drop
- the claim to what the file can show.
-
-## Do not churn — verified across both reviews
-
-Retail decode of `SetPositionInternal` @0x00515BD0 (both storing and non-storing
-branches) is exact and matches the enum docs line-for-line. The 7-value switch is
-exhaustive with `_ => throw`, and no consumer outside the controller reads the
-value for a decision, so the `Rejected` split cannot silently miss a case.
-`Deferred`-not-storing is right, with a stronger unreachability proof than the
-comment gives (`ParkCollisionResidents:3563-3568` **throws** rather than parking
-an entity that already holds an operation). MAJOR D's guard is the correct
-predicate (`RuntimeEntityDirectory.cs:75-77`), sufficient, and correctly placed
-after the receipt at both sites. **N5 is genuinely unconstructible** —
-`:917-923`/`:935-940` throw on binding a component whose body differs from
-canonical. Pose parity survives the `remote.Body` → `record.PhysicsBody` change
-byte-for-byte. The neighbour test's construction is arithmetically verified
-(`191.95 mod 24 = 23.95 > 24 - 0.1` → `lx+1` → `0xB3`), it provably hits the
-post-sweep park, and its Z arm discriminates (terrain 7, authored 6). N7's
-reframing is accurate. All six required tests discriminate; the
-cancelled-after-commit construction is genuinely clever. Route 2's re-issue
-funnel does **not** interact with the restore (it decides on
-`PositionAuthorityVersion`/`_newestForce`, none of which the restore moves).
-`RestoreParkWithdrawal` writes exactly five things and no sweep footprint,
-cross-cell registration, or BSP residency among them. **No added line in the diff
-carries a source line-number citation** — that failure mode is fixed.
-
-## Gate
-
-Complete Release suite. Baseline **10,968 / 4 / 0** at `1b631f12`. Round 2
-measured **11,004 / 4 / 0** while containing everything above. Known flakes, do
-not chase or conflate: **#302** (`PortalProjectionTests…`, App.Tests), **#308**
-(`NakEmissionTests.LossSoak_…`, Core.Net.Tests).
diff --git a/docs/research/2026-08-04-c4-route-4b-2-round4-correction.md b/docs/research/2026-08-04-c4-route-4b-2-round4-correction.md
deleted file mode 100644
index 47e8940a..00000000
--- a/docs/research/2026-08-04-c4-route-4b-2-round4-correction.md
+++ /dev/null
@@ -1,174 +0,0 @@
-# C4 route 4b-2 — round 4 correction (final), 2026-08-04
-
-Both round-3 reviews returned **FAIL**, and both bound the failure to the same
-place. **No shared-core edit is warranted.** Review A verified the relocation
-line by line and states plainly: the code is correct.
-
-Round 4 is one test, one deleted sentence, two `docs/ISSUES.md` fixes, and a
-handful of doc corrections.
-
-## The MAJOR — both reviewers, independently
-
-**Nothing in the tree discriminates round 3's predicate from round 2's**, and a
-test doc cites a sibling test that does not exist.
-
-`RuntimeRemotePlacementDriveControllerTests.cs:1343` names
-`ConcurrentQuiescences_ParkIsNotRestoredIntoTheQuiescingDestination`. That
-identifier occurs exactly twice in the tree, both inside that one comment.
-
-Review A evaluated round 2's form
-(`blockingToken.LandblockPrefix != (result.CellId & 0xFFFF0000)`) against all six
-quiescence tests. **Every row agrees with round 3.** Revert the relocation to the
-single-token comparison and the suite is still green at 11,007. So A1's two
-stated defects — comparing one token instead of the live set, and reading the
-pre-snap cell instead of the post-snap one — have no automated floor under them
-at all, while the tree asserts otherwise.
-
-**Write the test.** Both reviewers identified the same and only discriminating
-construction, in `RuntimeAcceptedPositionDriveControllerTests` (route 2 has no
-pre-flight, which is what makes it the caller that can reach the shape):
-
-- two live quiescences, source `OperationId` < destination `OperationId`
-- park at `:2948` under the source
-- assert `!IsSpatialRoot(record)` after the next packet's merge-time `Forget`
-
-It fails under the round-2 form (`Source != Dest` → restorable → re-admitted into
-the retiring destination) and passes under round 3. Then delete or correct the
-`:1343` cross-reference.
-
-## #309 — the gate currently passes while broken
-
-**S1.** Step 5 (`docs/ISSUES.md:115-119`) says the player "recovers on the next
-server Position rather than staying withdrawn indefinitely".
-`QuiescingDestinationPrefix_ForcePositionParkIsNotRestored` (`:906-912`) asserts
-the opposite for that packet — `InWorld == false`, clock inactive,
-`!IsSpatialRoot`. Route 2's drive dispatches **only** for `ForcePosition`; an
-ordinary `Apply` merges behind it (`RuntimeAcceptedPositionDriveController.cs:337`).
-So the packet the step names is precisely the one that does not recover it. Name
-what actually does — a later ForcePosition, or the quiescence releasing plus a
-placement.
-
-**S2.** Steps 4 and 5 both need a ForcePosition to land *inside* a transient
-collision-prefix quiescence window, which the user cannot synchronise with a
-teleport or portal arrival, and neither step names a signal confirming the park
-fired. A tester sees a clean teleport and records a pass. **Give each step a
-stated confirmation signal** — a probe line, or a documented
-`CaptureOwnership().DeferredCellCount` check. If a deterministic way to hold a
-prefix quiescing for the duration is cheap, prefer it.
-
-Step 5's retirement-still-completes clause is good; steps 1-3 and 6 are
-performable as written.
-
-## Doc corrections
-
-- **D1** — AP-136 says restore covers the plain unplaceable park
- "**unconditionally**". It does not: `ParkDeferred` now gates *every* park,
- including `:3063`, on `!IsCollisionPrefixQuiescing(body.CellPosition.ObjCellId)`
- (`:4358-4360`). The same row states it correctly two sentences later — the row
- contradicts itself.
-- **D2** — AP-136's trailing parenthetical still summarises #309 as the original
- three steps plus "route 2's corrections are unchanged". This commit rewrote
- #309. The row's body says the scope widened; its own summary does not.
-- **D3** — `RuntimeRemotePlacementDriveController.cs:1064-1066` attributes the
- null-body re-test to `PrepareMover`'s guard clause
- (`RuntimeSetPositionState.cs:1563-1577`), which has **no** body test. The real
- dependency is `RuntimeRemotePlacementDriveController.cs:625`
- (`record.PhysicsBody is null` → `NotApplicable`). Conclusion holds; the
- attribution points a maintainer at the wrong guard.
-- **D4 — B2's chosen value was not delivered.** Choosing "state it" over "enforce
- it" is sound and both reviewers concur with the decision — but **none** of the
- four dependencies is annotated at its own site: `PrepareMover`'s guard
- (`:1563-1577`), `IsPreparationAuthorityCurrent` (`:5304-5320`),
- `PrepareDormantLocalActivationOwnership`'s `record.PhysicsBody is not null`
- (`:1380`), `TryBeginExclusiveAuthoredPlacement`'s existing-operation refusal
- (`:1349-1351`). Deleting any one is invisible from the site, which is the whole
- thing "state it" was supposed to buy. Four one-line back-references close it.
-- **D5 — scope the `CurrentCellId` claim to the first submit.** `ParkDeferred`'s
- doc (`:4300-4307`, `:4320-4325`), AP-136 and AP-138(2) all say the pre-engine
- arm "names the destination" in production. True on the first submit, **false
- for a retained retry**: `Advance()` re-reads `record.FullCellId` at submit with
- no fresh merge (`RuntimeRemotePlacementDriveController.cs:941-954`,
- `RuntimeAcceptedPositionDriveController.cs:663-667`), and
- `RemoteTeleportController.cs:532` is a shipped writer that moves it to the
- pre-teleport landblock. `CanAttemptDestination`'s own doc (`:1234-1241`) already
- says this correctly — the three others contradict it. Otherwise the next reader
- concludes the `CurrentCellId` arm is dead code.
- Same family: `:1252-1253` ("every shape this predicate cannot see is a
- merely-swept NEIGHBOUR") is contradicted by the third-landblock shape named ten
- lines above it.
-
-## D6 — make the `Captured` claim exact rather than caveated
-
-`Captured` is a **park-time** snapshot. For the far snap the window is
-nanoseconds (`SubmitAndResolve`'s `DeferredCell` arm cancels synchronously,
-`:1038`). For **route 2** the park is *retained*
-(`RuntimeAcceptedPositionDriveController.cs:745-753`, `AwaitingCommitWake: true`)
-and the restore lands on the next packet's merge-time `Forget`, ~150 ms later.
-Streaming opens a quiescence per landblock mutation, so a prefix clean at park
-time can be quiescing at restore time, and `RestoreParkWithdrawal` re-admits into
-it unconditionally.
-
-It self-heals and is no worse than the baseline, so it is a residual rather than
-a regression — but **add the re-test**: one `IsCollisionPrefixQuiescing(residentCellId)`
-condition at `RuntimeSetPositionState.cs:3488`, in the method that already reads
-that variable. That makes the docs' claim true at the moment it matters instead
-of requiring a "when the park was taken" caveat everywhere it appears. Prefer the
-exact claim over the caveat.
-
-## NIT
-
-- **N1** — `IsCollisionPrefixQuiescing(0)` re-opens the C3c-F3 sentinel
- conflation. `AdjustToOutside` zeroes the cell id on map-edge failure
- (`LandDefs.cs:139`), and prefix `0x00000000` is the *legitimate* corner
- landblock (0,0) per `BeginCollisionPrefixQuiescence:840-846`, not "no
- landblock". Review A could not construct a reachable path, but this file
- already carries a shipped-crash comment about exactly this conflation. Add the
- `!= 0u` guard.
-- **N2** — `FarSnap_ConcurrentQuiescences_RefusesBeforeOpeningAPark` is
- behaviourally redundant with the destination-prefix test (both fail identically
- if the pre-flight's `IsCollisionPrefixQuiescing` half is removed), and its
- `sourceQuiescence.OperationId < destinationQuiescence.OperationId` assert never
- influences an observed outcome. Keep it, but its doc should not imply stronger
- A5 evidence than it carries.
-- **N3** — `RuntimeAcceptedPositionExecutionStatus.DeferredCell`'s doc ("the
- destination landblock's collision generation was not ready") is the status two
- new route-2 tests assert for a *quiescence* park. Pre-existing, in a file this
- diff does not touch — the next stale comment in line. Fix it or file it.
-
-## Do not churn — verified across both reviews
-
-The A1 relocation is mechanically correct: `IsCollisionPrefixQuiescing` consults
-the full map (`:827-829`; one live entry per prefix via Remove-then-Add
-`:857`/`:885`); the post-snap cell is exactly what `RestoreParkWithdrawal:3484`
-restores at, with no writer in between; `SnapToCell` really does set
-`InWorld = true` (`PhysicsBody.cs:201-205`) so the three-local hoist is required,
-not stylistic; `RetryDeferred` re-parks without a second `SnapToCell`, keeping
-the decision bound to the cell it was taken against; the plain park at `:3063` is
-**provably** unchanged (the `:3017` quiescence check already returned false, and
-`AdjustToOutside` is idempotent on an adjusted pair); `ParkCollisionResidents`
-passes `false` explicitly; no prefix pin or streaming stall is possible
-(`HasOldPrefixPlacementDebt:3829` skips `WakeableLostCell`, and the operation is
-retired before the restore). All four `ParkDeferred` call sites accounted for.
-
-**The pushback is a legitimate correction**, traced independently through
-`TryApplyPosition:1771-1774` → `RefreshDerivedState:230-237` → `SetFullCell`, and
-the remote leg through `RebucketLiveEntity` → `CommitRebucket:1816`. Route 1 and
-remote creates cannot reach the source shape at all (`CurrentCellId` requires
-`body.InWorld`, false for a first-entry body).
-
-Both route-2 tests drive production (`MergeAccepted` → real `TryApplyPosition`,
-real `PhysicsTimestampGate`, then `TryExecuteAcceptedLocalPosition`); nothing is
-hand-built. Keeping `FarSnap_QuiescingSourceLandblock_` is right — the state is
-constructible in the fixture, only production cannot reach it — and its caveat is
-accurate. A5 is satisfied at the pre-flight itself. B1, B3, m1-m5, n2, n3 all
-fixed and accurate. **n1 in the round-3 correction was MINE and wrong** —
-classifier `:467` is correct, `:468` is `ConstrainPhase`, and the member-name
-replacement is exact. No added line carries a source line-number citation —
-verified by scanning every `+` line.
-
-## Gate
-
-Complete Release suite. Baseline **10,968 / 4 / 0** at `1b631f12`; round 3
-measured **11,007 / 4 / 0**. Known flakes, do not chase or conflate: **#302**
-(`PortalProjectionTests…`, App.Tests), **#308** (`NakEmissionTests.LossSoak_…`,
-Core.Net.Tests).
diff --git a/docs/research/2026-08-04-c4-route-4b-3-architecture-review-round2.md b/docs/research/2026-08-04-c4-route-4b-3-architecture-review-round2.md
deleted file mode 100644
index 145065ff..00000000
--- a/docs/research/2026-08-04-c4-route-4b-3-architecture-review-round2.md
+++ /dev/null
@@ -1,299 +0,0 @@
-# C4 route 4b-3 — architecture / adversarial DELTA review, round 2 (2026-08-04)
-
-Reviewer lens: **adversary**. Round 1's findings are
-[`2026-08-04-c4-route-4b-3-architecture-review.md`](2026-08-04-c4-route-4b-3-architecture-review.md);
-the retail lane's are
-[`2026-08-04-c4-route-4b-3-retail-review.md`](2026-08-04-c4-route-4b-3-retail-review.md).
-
-Subject: the same uncommitted working tree on
-`claude/acdream-physics-divergence-5aa784` at base `3e002993`, after the round-1
-fix pass. This review re-attacks the **fixes**, not the whole slice — the
-round-1 "verified sound" list is carried forward except where a fix touched it.
-
-## Verdict: **PASS**
-
-Both round-1 MAJORs (A1, A2) are fixed, and I verified each fix produces the
-retail-correct outcome rather than merely silencing the symptom. The retail
-lane's R1/R2/R3 are fixed. **The `RunRemoteArmTail` /
-`ApplyWireAirborneLeftoverBookkeeping` extraction — the thing most likely to
-introduce a new defect — is behaviour-identical at all five call sites**; I
-walked each one against the pre-fix code and found no reordering, no dropped
-step, and no widened or narrowed guard. Six MINORs below, none blocking.
-
-Build `dotnet build AcDream.slnx -c Release`: **succeeded, 0 warnings**.
-Focused suites at Release `--no-build`: **Runtime 1,125 / 0 skips**,
-**App 4,081 / 3 skips** (up 3 from round 1's 4,078 — the three new App tests).
-
----
-
-## Part 1 — the extraction, call site by call site
-
-The blast radius of the fix pass is small and I confirmed it: only
-`LiveEntityNetworkUpdateController.cs`, one new method on `LiveEntityRuntime.cs`,
-the App teleport test file, and three docs carry round-2 markers.
-
-### `RunRemoteArmTail` — 3 call sites
-
-Signature returns `RemoteContactRouting?`; `null` means "the currency guard
-tripped, write nothing further". The guard inside it is
-`(Arm is FarSnapPlacement or TeleportPlacement) && (!isCurrentPositionOwner() || !ReferenceEquals(positionRecord.RemoteMotionRuntime, remote))`.
-
-| site | pre-fix sequence | post-fix | verdict |
-|---|---|---|---|
-| player teleport dispatch (`:2333`) | routing → **unconditional** guard → return | routing → **arm-gated** guard → return | **identical.** `ApplyRemoteContactRouting` returns `TeleportPlacement` iff `OwnsTeleportPlacement(route)`, which the caller has already evaluated on the *same* `earlyRemoteRoute` with the same pure static predicate. The arm at this site is provably always `TeleportPlacement`, so arm-gating the guard cannot weaken it. |
-| player grounded routing (`:2566`) | routing → arm-gated guard → return | same, via helper | **identical**, including the R5 guard-before-arm order (`TryArmConstraintAfterOperation` is still the first statement after the null check, `:2596`). |
-| NPC dispatch (`:2818`) | routing → arm-gated guard → `return` from `OnPosition` | routing → helper returns `null` → `if (npcRoutingResult is null) return;` inside the same `if (!snapSuppressedByStick \|\| isTeleportRoute)` block | **identical**, same lexical position, same effect. |
-
-Specific things I checked for and did **not** find:
-
-- **`willBeDrTicked` moved inside the helper.** The player grounded site used to
- hoist it into a local (`HEAD:2317`). I grepped every use in both the HEAD and
- current file: its only consumer was ever the routing call itself. Nothing
- downstream reads it. No loss.
-- **Delegate identity.** `runTeleportHook` now closes over `canonical`/`remote`
- and reuses the caller's `isCurrentPositionOwner` for both the hook's per-step
- currency checks and the post-routing guard. Previously two separately
- allocated but semantically identical lambdas. No change in what is tested.
-- **Guard-before-arm (R5) at all three sites.** Held. The helper cannot arm — it
- has no access to `ToConstraintArm` and its doc says so — and all three callers
- arm immediately after the null check.
-- **The NPC sticky-suppressed path still arms.** `npcArm` is initialised to
- `UnroutedCatchUp` and `TryArmConstraintAfterOperation` sits *outside* the
- `if (!snapSuppressedByStick || isTeleportRoute)` block, exactly as at HEAD.
- The extraction did not pull it inside.
-
-### The LANDING TRANSITION block — confirmed untouched and non-conflicting
-
-`:2445-2532` still gates on `!rmState.Body.InContact`, still `return`s, and
-still arms with its own hard-coded `NearInterpolate`. It therefore cannot
-double-run with the shared tail, and — importantly — it is what makes
-`playerArm` provably never `AirborneSnap` at the grounded-routing site
-(the free-flight case has already returned). The only edit is its comment,
-which round 1 flagged as false (A5) and which is now correct **and complete**:
-it enumerates `SetPositionSimple` / `null` / `Rejected*` as classifications
-that also reach the block, and states why `NearInterpolate` is the right arming
-value for every one of them.
-
-### `ApplyWireAirborneLeftoverBookkeeping` — 2 call sites
-
-The helper writes exactly three fields: `remote.CellId`, `remote.LastServerPos`,
-`remote.LastServerPosTime`.
-
-- **NPC site (`:2717-2722`)** — new, and the R1 fix. Correctly gated
- `!update.IsGrounded && !isTeleportRoute`, placed after the
- `IsAirborneNoOperation` return (so `NoPositionOperation` never reaches it)
- and before the synth-velocity block, the sticky probe, and routing. I
- confirmed the gate is exhaustive: for `RuntimeAcceptedPositionSource.PositionEvent`
- a wire-airborne packet can only classify `NoPositionOperation` (handled above),
- `null`, or `Rejected*` — the classifier's `effectiveContact` widening applies
- only to `SameIncarnationCreate`, which this path never carries.
-- **Player site (`:2390-2395`)** — the helper adds a `remote.CellId` write the
- hand-rolled block did not have. **I chased this specifically as the classic
- extraction hazard and it is benign**:
- `RuntimePhysicsState.CommitCanonicalCell:2145` short-circuits on
- `fullCellId == record.FullCellId` *before* `SetFullCell` and before raising
- `CellCommitted`, and the player arm wrote the identical `p.LandblockId` ~180
- lines earlier with no placement in between. The redundant write is a true
- no-op — no spurious rebucket event, no version bump.
-
----
-
-## Part 2 — the individual fixes
-
-### A1 — `ToConstraintArm(AirborneSnap) → NearInterpolate`, switch made total
-
-Correct, and correct for the right reason: `AirborneSnap` is acdream's
-*body*-contact carve-out for a packet whose **wire** contact bit said grounded,
-so retail's `MoveOrTeleport` returns nonzero and `HandleReceivedPosition` arms
-@0x00454272. Mapping it to an arming value restores the 1-arm count and makes
-the App-layer partition exactly the contract's D4 table.
-
-**The throwing default cannot be reached in production.** `RemoteContactArm`
-has exactly five members (`AirborneSnap`, `SteadyStateInterpolate`,
-`FarSnapPlacement`, `TeleportPlacement`, `UnroutedCatchUp`) and all five have
-explicit cases; `default(RemoteContactArm)` is `AirborneSnap` (value 0), which
-is handled. The only two producers of the argument are
-`ApplyRemoteContactRouting`'s returns and the NPC arm's
-`RemoteContactArm.UnroutedCatchUp` initialiser. Reaching `_` requires an
-out-of-range cast, which nothing performs. The throw is a genuine
-"can't-happen" guard, not a live hazard — this was the right call over a silent
-zero-arm fallback.
-
-**The test genuinely discriminates.**
-`NpcAirborneSnap_LandingPacket_StillArmsTheLeash` asserts
-`host.PositionManager.Constraint` goes from `null` to non-null across the
-packet. I verified `PositionManager.Constraint` is lazily created *only* inside
-`ConstrainTo` (`PositionManager.cs:27-28`, `:62`), so its presence is direct
-proof of an arm rather than an inference. Under the pre-fix mapping the packet
-arms zero times and `Constraint` stays null — the test fails.
-
-### A2 / R3 — NPC synth-velocity and cycle-apply gated on `!isTeleportRoute`
-
-Correct. `isTeleportRoute` is hoisted above both the D2 check and the velocity
-block, and both the install (`:2741`) and the `RemoteServerControlledVelocityCycle.Apply`
-call (`:2886`) carry it. The fix's own claim that leaving `ServerVelocity`
-stale is safe holds up: its only consumers are the now-excluded cycle-apply and
-`RuntimeRemotePhysicsUpdater`'s stale-velocity watchdog, which only *zeroes*.
-
-Two incidental changes in the same block are behaviour-neutral and I checked
-them rather than assumed: the `!IsPlayerGuid(update.Guid)` guards were dropped
-from the synth condition and the `else if` collapsed to `else`. Both were
-already dead — the whole NPC section sits after `if (IsPlayerGuid(update.Guid)) { … }`
-and every path inside that block `return`s (the last statement before its
-closing brace at `:2666` is `return;`), so the section is unreachable for
-player guids.
-
-`NpcTeleport_DoesNotInstallASynthesizedVelocity` seeds `LastServerPos`/
-`LastServerPosTime` so a broken implementation has a real distance and interval
-to synthesise from. It fails pre-fix (`HasServerVelocity` would be `true`).
-
-### R1 — the D2 shape on the NPC arm
-
-Correct and now genuinely shared. The AP-137 sentence *"unifies player and NPC
-remotes on one behaviour"* is true against the code as of this round — I
-re-read the row and the two call sites.
-
-`NullClassifiedNpc_WireAirbornePacket_WritesOnlyBookkeepingNoBodyOrShadow`
-discriminates: pre-fix the packet reaches `ApplyRemoteContactRouting`'s
-free-flight carve-out and hard-snaps `Body.Position = worldPos`, which the
-test's `Assert.Equal(spawnBodyPose, …)` catches.
-
-### R2 — the teleport hook's collision-end action → `ForceEndCollisionReporting`
-
-**This was the fix I was asked to attack hardest, and it does not carry any of
-this family's failure modes.** `RuntimeCollisionReportingState.LeaveWorld` is
-named for the *collision-reporting* state machine's own leave transaction, not
-the entity lifecycle's. I traced it end to end:
-
-- `LeaveWorld:870-887` → `_admissionBlocked.Add(key)` → `ForceEnd:1435-1454` →
- `EndExpiredObjectCollisions(force: true)` → `TrimEmptyOwner`. **The only
- mutations are the owner's collision table, the reverse-owner index, and the
- report queue.** Nothing writes `body.InWorld`, `TransientStateFlags.Active`,
- `record.ObjectClock`, `FullCellId`, spatial residency, or visibility.
- **Invariant 3 is not at risk.**
-- `_admissionBlocked` is released in a `finally`, so the subsequent placement's
- `TryPrepareSetPositionBatch:230-235` — which *does* refuse while a key is in
- `_leaving` or `_admissionBlocked` — is not blocked by the hook that ran
- immediately before it.
-- `_mutationRevision` is bumped by `LeaveWorld`, but the placement's batch
- captures `expectedMutation` *after* the hook (`:238`) and the
- prepare→install window is entirely inside the placement, so the bump cannot
- invalidate the teleport's own batch.
-- `Publish` swallows observer exceptions (`:1489-1494`), and `_leaving` guards
- re-entrancy, so a force-end cannot escape as a throw into the packet path.
-- `TrimEmptyOwner` runs on the exit path, so `CaptureOwnership`'s owner count
- cannot leak an empty entry — no ledger regression.
-
-Dropping the old `ShadowObjects.Suspend` is also safe and is arguably the
-better half of the fix: the far-snap arm (shipped, user-accepted) has never
-suspended the shadow before its own placement, so the teleport arm is now
-*consistent* with it rather than uniquely different, and the arm tail's
-`TryPublishRemote` → `SyncRemoteShadowToBody` (ungated at this call site) still
-re-seeds the registry at the resolved pose. See MINOR B2 for the one thing
-about R2 that should be stated rather than left implied.
-
----
-
-## MINOR findings
-
-### B1 (MINOR) — contract test-plan item 11 is still unwritten, and it is now the *only* thing guarding the #42 class
-
-`NullClassifiedNpc_WireAirbornePacket_…` asserts what must NOT happen (no body
-write, no shadow republish) but never asserts what MUST happen: that
-`ApplyWireAirborneLeftoverBookkeeping` actually wrote `remote.CellId` and
-`LastServerPos`/`LastServerPosTime`. A regression that emptied the helper body
-would pass every test in the tree. Those writes are exactly AP-135 — the
-free-fall sweep gates on `rm.CellId != 0` and without it "an airborne remote
-falls through the floor" (#42), and the first grounded packet after an arc
-would synthesise its velocity across the whole jump. Two `Assert.Equal`s on the
-existing test close it.
-
-### B2 (MINOR) — R2's fix is correct plumbing, but its *observable* half still goes nowhere; say so before someone records it as closed
-
-`IRuntimeCollisionReportObserver` has **zero production implementations** —
-`git grep OnCollisionReport` returns the interface, the dispatch loop, and four
-test doubles. `CollisionReports.Subscribe` has no production caller. So the
-bidirectional `DoCollisionEnd` notification retail fires at @0x00514620 still
-reaches no gameplay consumer; what the fix actually delivers today is the
-**table clear** (real, and it does prevent the later ~1 s stale-end and any
-mis-attribution) plus a correctly-wired channel for when a consumer appears.
-The hook's new doc doesn't overclaim, but the retail review's phrasing
-("neither side receives the immediate `ObjectCollisionEnd`") will read as
-closed. State the residual — it is a pre-existing gap in the collision-report
-plumbing, wider than this slice, and it deserves one sentence rather than a
-silent inheritance.
-
-### B3 (MINOR, disclosed) — no test for R2
-
-Judged **acceptable but worth filing**. A test would assert against a channel
-nothing production reads (B2), so its value is pinning the retail *mapping*,
-not a behaviour. The cheap version is one assertion that the teleporting
-owner's collision table is empty after an `OnPosition` teleport packet — that
-would fail if a future edit reverted the action to `ShadowObjects.Suspend`,
-which is the actual regression risk. Not blocking.
-
-### B4 (MINOR, disclosed) — the per-packet `runTeleportHook` closure
-
-Two delegates + two display classes per remote accepted Position (the outer
-`runTeleportHook` lambda and the caller's `isCurrentPositionOwner`), allocated
-whether or not the packet is a teleport. The implementer's stated blocker —
-that `ApplyRemoteContactRouting`'s `Func` parameter is injected by
-existing tests — is real but the parameter is `internal`, so it is a
-refactor cost, not a compatibility one. Judged **acceptable to defer**: this is
-the per-packet network path (5-10 Hz per remote), not Slice I's per-frame
-resolve path where the 0-B target applies, and the objects are gen0-transient.
-File it with the probe-family cleanup rather than churning the seam now.
-
-### B5 (MINOR, disclosed) — the stress test's teleport step
-
-Round 1's A3 stands as written and is judged **acceptable to leave**. The
-scenario it covers (Hidden → DeferredShadowRestore → landblock churn → UnHide)
-no longer has any teleport-specific machinery to interact with, because this
-slice deletes `_activePlacementOwners` and the placement is now synchronous
-inside `OnPosition`. The hand-built step is honestly documented as reproducing
-the arm tail's observable state, and the arm tail itself is directly covered by
-`LiveEntityNetworkRemoteTeleportPresentationTests`. The residual loss — the
-*interaction* between a mid-teleport Hidden edge and the placement — is a
-degenerate case now, not an untested one.
-
-### B6 (MINOR, carried) — proof obligation 1 is still unstated
-
-Unchanged from round 1's A9. The contract requires the
-`ParkCollisionResidents`-overlap-throw unreachability argument (with 4b-1's B2
-caveat that the guarded property is
-`TryAcquireCollisionPrefixMutationPermission`'s `HasOldPrefixPlacementDebt`
-refusal — a stall, not a throw) in the implementation commit's
-contract-conformance section. The work is still uncommitted so I cannot verify
-it; the property itself holds by reading (the teleport arm adds packets to the
-same one-operation-per-key machinery and opens no new operation shape).
-
----
-
-## Round-1 MINORs — spot-check
-
-Verified fixed, not re-derived: **A4** (`TeleportRefused_…` now arms sticky
-before the packet and asserts `GetStickyObjectId() == 0` afterward — a real
-discriminator, since only the teleport arm's hook calls `UnStick`, so the
-`UnroutedCatchUp` look-alike I identified can no longer pass it); **A5** (the
-landing-block comment is now correct *and* complete); **A7** (R1, above);
-**A8** (`wasCellless` deleted). **A10** was accepted and restated correctly.
-The retail lane's **R4** (the prologue comment's `CommittedCellId` claim) and
-**R5** (`acdream-architecture.md` / `code-structure.md` still describing the
-deleted classes) are both fixed in the diff.
-
----
-
-## Gate status observed
-
-- `dotnet build AcDream.slnx -c Release` → **succeeded, 0 warnings, 0 errors**.
-- `tests/AcDream.Runtime.Tests -c Release --no-build` → **1,125 / 0 / 0**.
-- `tests/AcDream.App.Tests -c Release --no-build` → **4,081 / 3 skipped / 0**.
-- Complete Release suite: **still not run and not recorded.** The contract is
- explicit that the new figure must be measured, not inherited from 11,027.
- Outstanding.
-- Two-client connected teleport gate: outstanding. **It must use an NPC
- target** (`@teleto` a creature into view), not a second player character —
- both round-1 MAJORs lived on the NPC arm, and
- `RemoteServerControlledVelocityCycle.Apply` early-returns for `0x50xxxxxx`
- guids, so a player-remote teleport exercises neither fix. Confirm at least
- one `[remote-teleport]` line per teleport with the expected `cause`.
diff --git a/docs/research/2026-08-04-c4-route-4b-3-architecture-review.md b/docs/research/2026-08-04-c4-route-4b-3-architecture-review.md
deleted file mode 100644
index 07b90cbb..00000000
--- a/docs/research/2026-08-04-c4-route-4b-3-architecture-review.md
+++ /dev/null
@@ -1,386 +0,0 @@
-# C4 route 4b-3 — architecture / adversarial review (2026-08-04)
-
-Reviewer lens: **adversary**. Retail conformance is a separate reviewer's
-scope; this review asks only "does this break something, leak something,
-deadlock something, or leave an entity in a bad state?"
-
-Subject: the uncommitted working tree on `claude/acdream-physics-divergence-5aa784`
-at base `3e002993` (`git diff HEAD` plus the three untracked non-contract
-files). Contract:
-[`2026-08-04-c4-route-4b-3-contract.md`](2026-08-04-c4-route-4b-3-contract.md).
-
-## Verdict: **FAIL**
-
-Two MAJOR findings. Both are behaviour REGRESSIONS against `3e002993` — not
-pre-existing residuals — and both sit on code paths the contract's own
-invariant list names as load-bearing (invariant 5, the arm-count partition;
-invariant 6 / D3, "the hook's whole point is that no locomotion state
-survives a teleport"). Both are invisible to the specified two-client
-connected gate, because that gate teleports a *player* character and both
-defects are on the NPC/creature arm.
-
-Everything else I checked held. Build is green (0 warnings); focused suites
-pass **Runtime 1,125 / 0 skips** and **App 4,078 / 3 skips** at Release with
-`--no-build`.
-
----
-
-## What I verified and found sound (do not churn)
-
-- **Invariant 1 (`StoresAcceptedDestination`).** `ApplyAcceptedRemoteTeleport`
- (`src/AcDream.Runtime/Session/RuntimeRemotePlacementDriveController.cs:820-848`)
- is byte-for-byte the far arm's shape minus the `StopInterpolating` clear,
- including the currency-guarded `StoreAcceptedDestinationPose`. The partition
- is extended, not re-litigated.
-- **Invariant 3 (no stranded entity).** The teleport arm reaches
- `SubmitAndResolve` through the *same* `TryExecuteAcceptedRemotePosition`
- the far arm uses; the `DeferredCell` arm still cancels synchronously with
- `restoreCancelledPark: true`. No new park shape, no new withdrawal site.
-- **Invariant 10.** `TickLostCellDeadlines` / `TryDequeueExpiredLostCell` /
- `ArmLostFamilyDeadlines` still have zero production callers (4 references,
- all inside `RuntimeSetPositionState.cs`; the rest are tests). The reaper
- stays inert.
-- **Invariant 11 (route 1 unchanged).** The shared builder got an *overload*,
- not a third copy, and the route-1 overload forwards
- `committedCellId: canonical.FullCellId` — its pre-slice value verbatim
- (`RuntimeAcceptedPositionRouteRequests.cs:41-56`).
-- **D1's plumbing is honest.** `PreMergeCommittedCellId = hadCanonical ? beforeCell : null`
- is measured before `RefreshSnapshot`
- (`RuntimeEntityObjectLifetime.cs:1725-1770`), never re-read, and `null`
- ("no prior canonical record") makes `TryBuild` decline rather than fabricate
- a 0. `RuntimeRemoteTeleportClassificationTests` genuinely discriminates the
- fix from the shipped dead predicate — the companion test fails under the
- post-merge read. This is the strongest test in the diff.
-- **The `_activePlacementOwners` deletion is legitimate** — see item 1 below.
-- **Shadow suspend/restore across the hook.** `RemoteTeleportHook`'s
- `ReportCollisionEnd` → `ShadowObjects.Suspend` removes the entity from
- `_entityToCells`; the arm tails' `LiveEntityShadowPublisher.TryPublishRemote`
- → `ShadowPositionSynchronizer.Sync` → `RefreshPositionRows` un-suspends it
- (`ShadowObjectRegistry.cs:1336-1393`). I specifically checked for a
- pose-gate that could skip the restore on a zero-distance teleport: the
- OnPosition-tail overload is **ungated** (`RuntimeRemotePhysicsUpdater.cs:1175-1191`);
- only the per-tick loop gates. `TeleportRefused_…`'s
- `Assert.Single(fixture.Shadows.AllEntriesForDebug(), …)` is a real proof of
- this, because `AllEntriesForDebug` enumerates `_entityToCells`.
- **No invisible-and-intangible entity on this path.**
-- **Deletion completeness.** All eight wiring sites in the contract's
- inventory are cut, including the two the handoff missed
- (`SessionPlayerComposition`, `LiveSessionResetManifest`). Reset coverage is
- genuinely preserved: `GraphicalSessionEventRoute.cs:152` calls
- `_remotePlacementDrive.DetachRoute`.
-- **Register bookkeeping.** AD-42, AP-136, AP-137, AP-138 all updated in the
- diff; AP-138's Risk column does gain the teleport arm as a second producer,
- and AP-137 is rewritten rather than deleted. (One factual defect in the
- AP-137 rewrite — see A7.)
-
----
-
-## MAJOR findings
-
-### A1 (MAJOR) — the NPC arm silently stops arming `ConstrainTo` for every airborne-body packet; the code documents the opposite
-
-**File:** `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:1290-1311`
-(`ToConstraintArm`), consumed at `:2643`.
-
-`ToConstraintArm` maps `RemoteContactArm.AirborneSnap` through its `_` arm to
-`RuntimeRemoteAcceptedPositionArm.AirborneNoOperation` — the one value
-`TryArmConstraintAfterOperation` never arms — and justifies it at `:1296-1297`
-with:
-
-> *"There is no Runtime analogue of `AirborneSnap` (a caller reaching it
-> always returns before any arming call) … production never calls this with
-> that arm."*
-
-**That claim is false for the NPC arm.** After
-`npcRouting = ApplyRemoteContactRouting(…)` at `:2600`, the only early return
-is the currency guard at `:2619-2626`, which is gated on
-`FarSnapPlacement or TeleportPlacement`. Control then falls out of the
-`if (!snapSuppressedByStick || isTeleportRoute)` block straight into
-`TryArmConstraintAfterOperation(ToConstraintArm(npcRouting.Arm), rmState)` at
-`:2641-2644`. `AirborneSnap` is returned by
-`ApplyRemoteContactRouting`'s free-flight carve-out at `:1123-1150` for **any**
-non-teleport classification whenever `!remote.Body.InContact`.
-
-**Concrete failure scenario.** A creature remote (guid not `0x50xxxxxx`) is
-knocked off a ledge or jumps, so its canonical body has no contact plane
-(`Body.InContact == false`). ACE broadcasts a wire-grounded `UpdatePosition`
-(`IsGrounded: true`) at 5-10 Hz. The classifier returns `Interpolate`
-(`playerDistance < 96 m`). Routing takes the airborne carve-out →
-`AirborneSnap` → `ToConstraintArm` → `AirborneNoOperation` → **no arm**.
-
-At `3e002993` the same packet armed: the post-operation site was passed the
-ROUTE (`earlyRemoteRoute`), and `OwnsAfterOperationConstraint(Interpolate)` was
-true with `ConstrainAfterRouting` true. So the arm count for this row goes
-**1 → 0**, which is the "never zero times" half of contract invariant 5 and a
-`yes` row of D4's partition table turning into a `no`. Retail's near branch
-returns 1 @0x005163BE, so `HandleReceivedPosition` arms unconditionally
-@0x00454272 — the divergence is in the wrong direction. The same 1→0 applies
-to a far (`SetPositionSimple`) classification and to a null/`Rejected*`
-classification whenever the NPC's body is out of contact.
-
-Observable consequence: a creature that is knocked airborne on the **first**
-accepted Position after spawn never sets `IsConstrained` at all, so the
-`ConstraintManager` brake and `IsFullyConstrained()` (which gates
-`jump_is_allowed`) stay dead for it; a creature already armed loses the
-per-packet re-anchor (`ConstraintPosOffset` reset to 0) for the whole airborne
-interval.
-
-**Why no test caught it.** Proof obligation 3 asked for "a test that counts
-arming calls per packet across the partition table's rows". What was delivered
-(`RuntimeRemoteSteadyStatePositionTests.TryArmConstraintAfterOperation_MatchesTheCompletePartition`)
-tests the Runtime *predicate* given an already-chosen arm value. Nothing tests
-`ToConstraintArm`, and nothing counts arms per packet through `OnPosition`.
-The mapping — the only new code in the arming path — is 100 % uncovered.
-
-**Fix direction.** `AirborneSnap` is not `AirborneNoOperation`: retail's
-airborne *no-op* is `arg4 == 0` (the WIRE contact bit, return 0), while
-`AirborneSnap` is acdream's carve-out keyed on the BODY's contact for a packet
-whose wire bit said grounded — retail returns nonzero for that packet and
-arms. Either map `AirborneSnap` to an arming value, or (better) make
-`ToConstraintArm` total with an explicit `AirborneSnap` case plus a
-`_ => throw`, and add the missing end-to-end arm-count test across the D4 rows
-including the body-airborne ones.
-
----
-
-### A2 (MAJOR) — a teleported NPC gets a ~1,000 m/s synthesized `ServerVelocity` and an animation cycle planned from it
-
-**File:** `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2526-2543`
-(synthesis) and `:2683-2709` (consumption).
-
-The NPC arm synthesizes a locomotion velocity for any packet that carries no
-wire velocity:
-
-```
-serverVelocity = (worldPos - rmState.LastServerPos) / (float)elapsed; // :2532
-… rmState.ServerVelocity = authoritativeVelocity; HasServerVelocity = true;
-```
-
-`rmState.LastServerPos` is only advanced at `:2681`, i.e. **after** routing, so
-at `:2532` it still holds the pre-teleport position. For an admin teleport the
-delta is the whole teleport distance over one packet interval — e.g. 192 m /
-0.15 s ≈ 1,280 m/s. The tail then calls
-`RemoteServerControlledVelocityCycle.Apply(update.Guid, ae, rmState, rmState.ServerVelocity)`
-at `:2704-2709`, which runs `ServerControlledLocomotion.PlanFromVelocity` and
-`Sequencer.SetCycle(style, plan.Motion, plan.SpeedMod)`.
-
-At `3e002993` this was unreachable for a teleport: the `remotePlacementRequired`
-block sat in the SHARED section, **above** the `IsPlayerGuid` split and above
-the NPC synth-velocity code, and it always `return`ed. The diff deleted that
-block and routed the teleport through the NPC tail instead, so the synthesis
-now runs on every NPC teleport.
-
-**Concrete failure scenario.** `@teleto` a drudge 200 m away while an acdream
-client observes it. The teleport arm places it correctly, then the same packet
-installs `ServerVelocity ≈ 1.3 km/s` and calls `SetCycle(Run, speedMod≈huge)`.
-`RemoteServerControlledVelocityCycle.Apply`'s three guards do not help: the
-body is grounded after the commit (`rm.Airborne == false`), the guid is not a
-player guid, and `rm.MoveTo` was just set to `Invalid` **by the teleport hook's
-own `CancelMoveTo`** — so the hook actively removes the last thing that would
-have suppressed this. The creature stands at the destination playing a
-run/sprint cycle at an absurd speed multiplier until the stale-velocity
-watchdog fires (`ServerControlledVelocityStaleSeconds = 0.60`) or the next
-packet's small delta replaces it.
-
-This is directly contrary to `teleport_hook`'s purpose (@0x00514ED0 exists so
-that *no* locomotion state survives a teleport) and is exactly the
-"stands with correct animation" clause of the contract's live gate — which
-cannot see it, because the gate teleports a player character and
-`RemoteServerControlledVelocityCycle.Apply` early-returns for `0x50xxxxxx`
-guids. The player-remote arm is accidentally immune because its own teleport
-block returns at `:2185`, before the player synth-velocity at `:2432-2443`.
-
-**Fix direction.** The teleport arm must suppress the synthesized velocity for
-its own packet on the NPC arm too — either by advancing
-`rmState.LastServerPos` to the destination before the synthesis, or (cleaner,
-and symmetric with the player arm) by giving the NPC teleport its own tail
-that skips the synth/cycle step. Whichever is chosen, add a test that asserts
-the NPC sequencer's cycle is unchanged across a teleport packet; today nothing
-in the tree looks at the animation layer for this arm.
-
----
-
-## MINOR findings
-
-### A3 (MINOR) — the stress test's teleport step now drives zero production code
-
-**File:** `tests/AcDream.App.Tests/World/LiveEntityLifecycleStressTests.cs:710-730`.
-
-The contract's deletion inventory says `LiveEntityLifecycleStressTests`
-"constructs the controller and calls `TryApply` — its scenario must be
-re-expressed against the canonical teleport arm, not dropped."
-`BeginDeferredTeleport` is now four hand-written field assignments
-(`_remote.Body.Position = destination; _remote.CellId = …;
-Entity.SetPosition(…); Entity.ParentCellId = …`). It exercises no placement,
-no hook, no routing. `RepeatedRetailRecallMotion_HiddenTeleportUnhide_…`
-(`:252-296`) would pass identically if the entire teleport arm were deleted.
-The Hidden/DeferredShadowRestore half of the scenario still discriminates, so
-this is a coverage loss rather than a false pass — but the mid-teleport
-Hidden/UnHide interaction the fixture exists for is no longer tested against
-the mechanism that now performs the teleport.
-
-### A4 (MINOR) — `TeleportRefused_…` does not discriminate the teleport arm from `UnroutedCatchUp`
-
-**File:** `tests/AcDream.App.Tests/Physics/LiveEntityNetworkRemoteTeleportPresentationTests.cs:157-206`.
-
-Every assertion in this test (`body.Position == destination + offset`,
-`Entity.Position == body.Position`, `IsSpatiallyVisible`, one shadow entry at
-`body.Position`) is also satisfied if the packet had classified `null` and
-taken `UnroutedCatchUp` → `ApplyInterpolate`, because the body-to-target
-distance is >192 m so AP-87's `bodyToTarget > 4 m` branch hard-places the body
-at exactly the same wire pose and the same NPC tail then syncs entity and
-shadow. The test *does* catch removal of the `store_position` fallback, so it
-is not worthless, but the sibling commit test is the only one whose expected
-value (`+ FootSphereCenterLift`) can only come from a canonical placement.
-Adding one `Assert.Equal(0u, …)`-style discriminator (or asserting the hook
-ran, as the routing-seam tests do) would close it.
-
-### A5 (MINOR) — the landing block's new comment states something false
-
-**File:** `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2266-2272`.
-
-> *"A landing packet always classifies Interpolate (the teleport/cell-less arm
-> dispatches earlier and returns before this block can be reached — D5)."*
-
-The teleport half is true; "always classifies Interpolate" is not. The landing
-block is reached for a wire-grounded, body-out-of-contact packet with ANY
-non-teleport, non-airborne-no-op classification — including `SetPositionSimple`
-(>= 96 m), `null` (login window), `RejectedAuthority`, and `RejectedData`. The
-hard-coded `RuntimeRemoteAcceptedPositionArm.NearInterpolate` at `:2273` still
-produces the correct arm count for all of those (every one of them is an
-"arms" row), so this is a comment defect, not a behaviour defect — but process
-rule 6 is explicit, and this is exactly the shape ("a comment asserting
-behaviour the code no longer has") that six consecutive slices have shipped.
-
-### A6 (MINOR) — new per-packet allocations on the remote hot path
-
-**File:** `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2148-2153`,
-`:2370-2374`, `:2609-2613`, and `:1080-1088`.
-
-`runTeleportHook: () => RunRemoteTeleportHook(update.Guid, entity.Id, () => IsCurrentPositionOwner(entity))`
-captures `update`, `entity` and `this`, so a display-class + delegate pair is
-allocated for **every** remote accepted Position, not only for teleports (the
-pre-slice tree allocated the inner lambda only when `remoteHardTeleport` was
-true). Separately, `teleportStatus.ToString()` at `:1087` is evaluated at the
-call site, so the probe's own `ProbeRemoteTeleportEnabled` self-guard does not
-prevent the string allocation. Given Slice I's "0 B/resolve" discipline this
-is worth a `Func` cached per controller, or hoisting the probe behind
-`if (PhysicsDiagnostics.ProbeRemoteTeleportEnabled)` at the call site.
-
-### A7 (MINOR) — D2's "unifies the player and NPC arms" is not delivered, and AP-137 now claims it was
-
-**Files:** `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2186-2210`;
-`docs/architecture/retail-divergence-register.md` (AP-137 row, the "**D2 — the
-wire-airborne leftover shape**" sentence).
-
-The retail return-0 shape is implemented only inside the `IsPlayerGuid` block.
-On the NPC arm a wire-airborne packet with a null/`Rejected*` classification
-still falls through the synth-velocity block into
-`ApplyRemoteContactRouting`, which either hard-snaps the body (`AirborneSnap`,
-if the body is also out of contact) or **enqueues/places** it
-(`UnroutedCatchUp` → `ApplyInterpolate`, if the body is in contact) and then
-syncs the render entity and publishes the collision shadow. That is not
-"AP-135's two bookkeeping writes only, no body/queue/render write, no leash
-arm, return". The register row's claim that this "unifies player and NPC
-remotes on one behaviour" is therefore factually wrong as shipped, which is a
-register-rule-1 problem in its own right. (This is NOT a regression against
-`3e002993` — the NPC arm behaved this way before — so the fix can legitimately
-be "scope the row to the player arm" rather than "implement the NPC half".)
-
-### A8 (MINOR) — dead local
-
-`src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs:1727`:
-`bool wasCellless = hadCanonical && beforeCell == 0u;` has no remaining reader
-(only the comment at `:1759` mentions it). No compiler warning fires because
-the initializer is not a constant. Delete it or the comment will outlive the
-variable's meaning.
-
-### A9 (MINOR) — proof obligation 1 is not stated anywhere in the tree
-
-The contract requires the `ParkCollisionResidents`-overlap-throw
-unreachability argument (with 4b-1's B2 caveat about
-`HasOldPrefixPlacementDebt` being a stall rather than a throw) to be stated
-"in the contract-conformance section of the implementation commit". The work
-is uncommitted, so I cannot verify it; nothing in the diff carries the
-statement. The underlying property does hold by reading — the teleport arm
-adds packets to the same one-operation-per-key machinery and opens no new
-operation shape — but the statement is still owed.
-
-### A10 (MINOR, partly unverified) — the visibility-edge protection `_activePlacementOwners` provided has no replacement
-
-I independently traced the deletion the implementer reported (item 1 of the
-task). **Their conclusion is right, their stated reasoning is not.**
-`_activePlacementOwners` was NOT write-never at `3e002993`: the writer chain
-was `LiveEntityNetworkUpdateController` (`remotePlacementRequired` →
-`_remoteTeleportController.BeginPlacement`) → `RemoteTeleportController.BeginPlacement`
-→ `RemoteTeleportPlacementPresentation.Begin` →
-`LiveEntityPresentationController.BeginAuthoritativePlacement`
-(`RemoteShadowPlacementSynchronizer.cs:48` at HEAD). It becomes write-never
-*because this slice deletes that chain*, which is exactly what the contract's
-deletion-inventory row said. `git grep` over `src` + `tests` at HEAD confirms
-no other production writer. So deleting the set and its four `IsPlacementActive`
-gates changes nothing for any surviving path, and the four gates degenerating
-to "always act" is correct.
-
-What is not replaced is the *protection*: during the old multi-frame pending
-placement, an intervening Hidden/UnHide edge was prevented from restoring a
-shadow at an unresolved pose. The new teleport is synchronous inside
-`OnPosition`, which mostly removes the window — but the canonical placement
-publishes its receipt synchronously and the projection sink can raise a
-visibility edge from inside it. I could not construct a reachable
-Hidden/UnHide-during-placement path in the new design and am flagging this as
-**unverified**, not as a defect.
-
----
-
-## Judgment on the three reported items
-
-**1. `_activePlacementOwners` deletion — sound, reasoning wrong.** See A10.
-The set had a real production writer at HEAD; it is the slice's own deletions
-that kill it. The four consumers' degeneration is behaviour-neutral for every
-surviving path. Not a defect. The commit message should say "its only writer
-is deleted by this commit", not "the predicate was permanently false".
-
-**2. The two parallel `OnPosition` copies — a genuine structural hazard, and
-it has already produced a defect.** This is not a stylistic complaint: A2 is
-precisely the two copies disagreeing. The player copy's teleport block returns
-at `:2185` before its synth-velocity at `:2432`; the NPC copy has no teleport
-block at all and falls through its synth-velocity at `:2526` on the way to
-routing. A1 is the second instance — the player copy cannot produce
-`AirborneSnap` (its landing block returns first) while the NPC copy can, so
-the shared `ToConstraintArm` was written against the player copy's reality and
-is wrong for the NPC one. The implementer's own report that "a sabotage of the
-wrong copy left both tests green" is the same signal. The duplication should
-be collapsed, or at minimum every arm tail should be one shared helper that
-both branches call; shipping a third slice against these two copies without
-that is how the next one of these lands.
-
-**3. Declining D7 (consolidating the post-placement currency guard into a
-Runtime seam) — acceptable, and not the source of either MAJOR.** The guard is
-now duplicated at three App call sites (`:2155-2161`, `:2393-2399`,
-`:2619-2626`) instead of two. I checked all three: the predicate is
-character-identical (`!IsCurrentPositionOwner(entity) || !ReferenceEquals(positionRecord.RemoteMotionRuntime, rmState)`),
-and all three sit BEFORE their arming call, preserving the R5 invariant. The
-widened arm predicate (`FarSnapPlacement or TeleportPlacement`) is applied
-consistently at the two that need it; the teleport-specific site is
-unconditional, which is strictly stronger. So the duplication is not itself a
-correctness hazard today. It is, however, the same duplication-of-invariant
-pattern as item 2, and a fourth copy (route 5's projectile arm) is next in the
-queue — consolidating it is now overdue rather than optional.
-
----
-
-## Gate status observed
-
-- `dotnet build AcDream.slnx -c Release` → **succeeded, 0 warnings, 0 errors**.
-- `dotnet test tests/AcDream.Runtime.Tests -c Release --no-build` →
- **1,125 passed / 0 skipped / 0 failed**.
-- `dotnet test tests/AcDream.App.Tests -c Release --no-build` →
- **4,078 passed / 3 skipped / 0 failed**.
-- Complete-solution Release suite: **not run by this reviewer** (the contract's
- own gate; the new figure still has to be measured and recorded, not
- inherited from 11,027).
-- Two-client connected teleport gate: **not run**, and note the finding above
- that neither MAJOR is observable through it as specified — A1 and A2 both
- need a *creature* teleport (`@teleto` a drudge/mosswart into view), not a
- second player character.
diff --git a/docs/research/2026-08-04-c4-route-4b-3-contract.md b/docs/research/2026-08-04-c4-route-4b-3-contract.md
deleted file mode 100644
index 25d356e2..00000000
--- a/docs/research/2026-08-04-c4-route-4b-3-contract.md
+++ /dev/null
@@ -1,734 +0,0 @@
-# C4 route 4b-3 — remote teleport + cell-less: pinned contract (2026-08-04)
-
-Split rationale:
-[`2026-08-04-c4-route-4b-scoping-and-split.md`](2026-08-04-c4-route-4b-scoping-and-split.md).
-4b-1 (infrastructure) landed at `2e8e09ac`; 4b-2 (far snap) landed at
-`7f1c1f5a` after four fix rounds; the shared-core park restore it forced is at
-`634bc551` and inside 4b-2's rounds 3/4. Read the whole findings chain before
-implementing — every defect class it names reappears here at larger scale:
-[round 1](2026-08-04-c4-route-4b-2-review-findings.md) →
-[round 2 (delta)](2026-08-04-c4-route-4b-2-delta-review-findings.md) →
-[round 3](2026-08-04-c4-route-4b-2-round3-correction.md) →
-[round 4](2026-08-04-c4-route-4b-2-round4-correction.md).
-
-**4b-3 flips the LAST remote classification on: `SetPosition` — teleport
-(TELEPORT_TS advanced) and cell-less (the body has no committed cell) — through
-4b-1's `RuntimeRemotePlacementDriveController`, runs retail's `teleport_hook`
-before the placement, and deletes the legacy remote-teleport machinery:
-`RemoteTeleportController` (605 lines), `RemoteTeleportPlacement` (85),
-`RemoteShadowPlacementSynchronizer` (49, two classes), the
-`remotePlacementRequired` predicate, the `TeleportHookRequired` timestamp
-plumbing, the legacy pre-operation `ConstrainTo` fallback, and the player arm's
-legacy `!update.IsGrounded` fallback — plus 1,709 lines of their tests.**
-
-This retires AP-137's cell-less enqueue-vs-place delta. AP-135 does NOT retire
-(its two writes sit physically inside the method this slice rewrites — see
-"Must remain true" item 8). AP-131 does not retire. #276 does not close.
-
-## Retail ground truth — verified in `acclient_2013_pseudo_c.txt`, verify again yourself
-
-`CPhysicsObj::MoveOrTeleport` @0x00516330, teleport/cell-less branch:
-
-```
-00516375 eax_8 = CPhysicsObj::newer_event(this_1, TELEPORT_TS, arg3);
-00516386 if ((eax_8 != 0 || this_1->cell == 0)) {
-005163ef CPhysicsObj::teleport_hook(this_1, edx_2);
-005163f8 SetPositionStruct::SetPositionStruct(&var_64);
-00516406 SetPositionStruct::SetPosition(&var_64, arg2);
-00516414 SetPositionStruct::SetFlags(&var_64, 0x1012);
-00516420 CPhysicsObj::SetPosition(this_1, &var_64);
-00516438 return 1;
-00516386 }
-0051638e if (arg4 != 0) { ... near @0x005163AF / far @0x005163C1-E8 ... }
-0051636d return 0;
-```
-
-Five facts in that listing decide this slice:
-
-1. **The teleport branch is decided BEFORE the contact test** (`arg4` is only
- read @0x0051638E, after the branch). A teleport/cell-less packet places
- unconditionally — airborne wire bit, airborne body, any distance. acdream's
- routing must therefore decide the teleport arm AHEAD of every
- airborne/landing carve-out (see design decision D5).
-2. **`this_1->cell == 0` is the BODY's current cell** — "this object has no
- resolved cell right now" — not the wire destination's cell. See D1: the
- classifier's current input implements a different (and dead) predicate.
-3. **`teleport_hook` @0x00514ED0 runs BEFORE the placement** and is, complete
- (each guarded on the manager existing):
- `MovementManager::CancelMoveTo(0x3C)` @0x00514EDF,
- `PositionManager::UnStick` @0x00514EEE,
- `PositionManager::StopInterpolating` @0x00514EFD,
- `PositionManager::UnConstrain` @0x00514F0C,
- `TargetManager::ClearTarget` @0x00514F1B +
- `TargetManager::NotifyVoyeurOfEvent(Teleported_TargetStatus)` @0x00514F28,
- `CPhysicsObj::report_collision_end(this, 1)` @0x00514F31.
-4. **`SetFlags(0x1012)`** (`Teleport|Slide|SendPositionEvent`) @0x00516414 —
- acdream's analog is the classifier's `AuthoritativeTeleportFlags`, carried on
- `route.SetPositionFlags` into
- `RuntimeSetPositionState.TryPrepareAndSubmitAuthoredPlacement`'s `flags`
- parameter. (There is NO separate "teleport hook phase support" inside
- `RuntimeSetPositionState` — the phase lives on the route,
- `RuntimeTeleportHookPhase.BeforePositionOperation`, emitted at the
- classifier's remote teleport/cell-less branch. The handoff's phrasing
- implied otherwise; this is the correction.)
-5. **The branch returns 1 and discards `SetPosition`'s error**, so
- `SmartBox::HandleReceivedPosition` @0x00453FD0 arms `ConstrainTo`
- @0x00454272 — the remote arm's ONLY arming site, shared by all three
- nonzero-returning branches, anchored `&arg2->m_position` read live
- (post-move). Retail arms even when the placement failed. So: hook
- `UnConstrain` first, place, then ONE post-operation re-arm — never a second
- arming site, and arm on non-commit outcomes too (the 4b-2 B8/R5 lesson).
-
-## What must REMAIN true (process rule 1 — the contract causes the defect)
-
-For every path this slice adds or rewrites, including every refusal,
-contention, rejection, and short-circuit:
-
-1. **The pose still advances.** A teleport-classified packet whose canonical
- placement never reached the engine (`Refused` / `Contention` /
- `RejectedPreparation` / `NotApplicable`) still commits the accepted
- destination pose to the canonical body — the same
- `StoresAcceptedDestination` partition and the same
- `StoreAcceptedDestinationPose` the far arm uses, which is retail's
- `store_position` @0x00515CE2 on the no-transition branch. `Deferred` and
- `RejectedByPlacement` do NOT store, for the reasons already pinned in the
- enum's own doc (`ParkDeferred` already snapped; the engine ran and
- refused / a settled pose must survive). Do not re-litigate the partition —
- extend it to the teleport arm unchanged.
-2. **The render entity still advances.** The teleport arm's tail syncs
- `WorldEntity` (position, `ParentCellId`, rotation) from the RESOLVED body
- and publishes the collision shadow, exactly as both existing grounded arm
- tails do (`LiveEntityShadowPublisher.TryPublishRemote`). A teleport must
- never leave the rendered pose a packet behind the body. #312's lesson:
- presentation state is where this family breaks; tests must assert it
- (see Test plan).
-3. **The object clock keeps running and the entity stays in the world** on
- every non-commit outcome: `body.InWorld`, `TransientStateFlags.Active`,
- `record.ObjectClock` active, `FullCellId != 0`, spatial projection intact,
- `IsSpatiallyVisible` unchanged. No park survives the controller
- (`CancelToken` with `restoreCancelledPark: true`); the pre-flight
- (`CanAttemptDestination`) stays an OPTIMISATION, never the reason a remote
- stops tracking or becomes invisible.
-4. **The interpolation queue is empty after the teleport arm runs** —
- cleared by the hook's `StopInterpolating` (@0x00514EFD), NOT by the route
- flag: the classifier's teleport branch deliberately carries
- `StopInterpolating: false` because retail's clear lives inside the hook.
- The far arm's route-flag-driven clear is untouched.
-5. **The leash is armed exactly once per accepted packet**, post-operation,
- anchored post-move, by the classification partition — never zero times
- (the current shipped hole: `remotePlacementRequired` returns ahead of every
- arming site while `RemoteTeleportHook` has already `UnConstrain`ed, so a
- remote that teleports and stands still is leash-less until the next
- packet), and never twice. See D4 for the complete partition.
-6. **The per-packet prologue keeps running for every classification**:
- `TryApplyGenericRemoteRenderPose` (see D6 for the gate), the
- `RebucketLiveEntity(update.Guid, p.LandblockId)` spatial-bucket
- transaction, the velocity install
- (`TryCommitAuthoritativeVelocity` — retail's PositionPack `set_velocity`,
- upstream of `MoveOrTeleport`), and the incarnation re-validation
- chain. Retail's remote teleport never writes velocity itself
- (`ZeroVelocity` is the LOCAL player's `SmartBox::TeleportPlayer`
- @0x004541B4 only); the teleport arm must not add a velocity write.
-7. **`AcceptedPositionSource`/authority validation is unchanged.** The
- teleport arm executes only an already-classified route from
- `ClassifyRemoteAcceptedPosition` — the shared builder
- (`RuntimeAcceptedPositionRouteRequests`), never a re-derivation.
-8. **AP-135's two writes stay**, on both arms' airborne no-op
- neighbourhoods: the server-cell adopt (`rmState.CellId = p.LandblockId`)
- and the `LastServerPos`/`LastServerPosTime` sample. They are 4a-owned
- acdream-only bookkeeping for the free-fall sweep gate
- (`RuntimeRemotePhysicsUpdater`'s `rm.CellId != 0` gate) and the
- first-grounded-packet velocity synthesis. This slice rewrites the method
- they sit in; they do not go. The register row does not retire.
-9. **`ParkCollisionResidents`'s overlap throw stays unreachable** — see
- "Proof obligations".
-10. **`ArmLostFamilyDeadlines`' reaper gains no production caller.**
- `TickLostCellDeadlines` and `TryDequeueExpiredLostCell`
- (`RuntimeSetPositionState`) have zero production callers today; this
- slice must not add one. `ParkDeferred` arming the family (its
- `ArmLostFamilyDeadlines` call) is pre-existing and stays inert.
-11. **Route 1's classification inputs are unchanged.**
- `RuntimeInitialCreateContinuationExecutor`'s calls into the shared
- builder keep their current semantics (D1 adds an overload for the remote
- PositionEvent path; the builder's own doc mandates "an overload here,
- never a third copy").
-12. **The 4a dispositions are untouched**: `NoPositionOperation` writes
- nothing (plus item 8's bookkeeping), `Interpolate` enqueues, the landing
- block still hard-snaps a wire-grounded packet for a not-in-contact body
- on 4a-owned classifications, AP-87's snap conditions and AP-139's landing
- clear are unchanged.
-13. **The far arm (4b-2) is untouched** except where a shared gate widens to
- include the teleport arm (D6, D7) — widening must not change the far
- arm's own behaviour. Everything round 2's/round 4's "do not churn" lists
- verified stays: the `StoresAcceptedDestination` partition, the
- `IsRestorableQuiescencePark` relocation, the pose-parity composition, the
- two-arm guard/arm ordering.
-
-## Design decisions — pinned, not open for redesign
-
-### D1 — the classifier's cell-less input becomes the PRE-merge committed cell (resolves trap T1 and undetermined item 3)
-
-**Finding (undetermined item 3, now determined by reading the code):** the
-merge cannot zero a previously-nonzero `FullCellId` — it does the opposite.
-`RuntimeEntityObjectLifetime.TryApplyPosition` calls
-`Entities.RefreshSnapshot(canonical, snapshot, refreshPosition: acceptedPosition)`
-for every accepted Position, and `RuntimeEntityRecord.RefreshDerivedState`
-then executes `SetFullCell(position.LandblockId, …)` from the just-merged
-snapshot. So at classification time (OnPosition classifies after the
-authority gate's merge, before the prologue rebucket), `canonical.FullCellId`
-IS the accepted wire cell. A wire cell of 0 fails
-`LandDefs.InboundValidCellId` inside `PositionFrameValidation.IsValid`, which
-the classifier's `ValidPosition` check turns into `RejectedData` BEFORE the
-cell-less test. **Consequence: the classifier's remote `cellless` predicate,
-as fed today (`CommittedCellId: canonical.FullCellId` in
-`RuntimeAcceptedPositionRouteRequests.Build`), is unreachable for a remote
-PositionEvent — the remote `SetPosition` classification currently fires on
-`TeleportAdvanced` alone.** It is not a subset relationship with
-`remotePlacementRequired`; it is a dead predicate. (The classifier's own
-comment above the test — "only a later Runtime SetPosition or simulation
-commit may change FullCellId" — is falsified by `RefreshDerivedState` and
-must be corrected in this slice; process rule 6.)
-
-Retail's predicate is the BODY's current cell (`this_1->cell == 0` read at
-`MoveOrTeleport` entry, before any placement) — "this object is not resident
-anywhere right now", e.g. the first Position after an unwield-to-3D
-(`SetFullCell(0,0)` at the pickup/parent leave-world sites) or after any
-canonical withdrawal. The acdream value with exactly that meaning is the
-committed cell BEFORE this packet's merge — the `wasCellless`/`beforeCell`
-pair `TryApplyPosition` already measures.
-
-**Pinned:** thread the pre-merge committed cell out of the merge and into the
-remote classification's `CommittedCellId` input, via an overload of the shared
-builder (never a third copy; never a change to the existing overloads' route-1
-semantics). Plumbing shape is the implementer's choice — the natural carrier
-is `AcceptedPhysicsTimestamps` (whose `TeleportHookRequired` field this slice
-deletes; replacing a policy tri-OR with a data field is strictly better) or
-`AcceptedPositionNetworkUpdate`. Constraints: the value is the pre-merge
-`FullCellId` measured by the SAME `TryApplyPosition` call that merged the
-packet (never re-read after the merge); no fabrication (a known record always
-has an honest value — 0 means "was celless", not "unknown").
-
-**What is deliberately NOT adopted from `remotePlacementRequired`:** the
-graphical `projectionRequiresTeleportHook` arm
-(`LiveEntityRuntime.TryApplyPosition`: pre-merge `FullCellId == 0` OR
-`!IsSpatiallyProjected` OR `!IsSpatiallyVisible`). Its visibility half is a
-presentation predicate with NO retail analogue — it made "not currently
-rendered" fire the whole teleport machinery on a routine hot path (trap T1's
-warning). After this slice the teleport classification is retail's exact pair
-(`TeleportAdvanced || wasCellless`); a not-visible remote's Position
-classifies by distance like any other, the canonical placement decides
-placeability, and visibility remains presentation-only. This behavioural
-change is recorded in the AP-137 rewrite (D8). The whole
-`projectionRequiresTeleportHook` computation, the lifetime parameter, the
-headless `false` at `RuntimeLiveEntitySessionController`, and the
-`TeleportHookRequired` field + its `timestamps with {…}` write are deleted.
-
-### D2 — classifier-null and `Rejected*` keep 4b-2's stated policy (resolves trap T2); the legacy airborne fallback is replaced by the retail return-0 shape
-
-The scoping doc's T2 described the pre-4b-2 world; 4b-2 already deleted the
-legacy near/far blocks and routed `null` / `RejectedAuthority` /
-`RejectedData` to `UnroutedCatchUp`
-(`RuntimeRemoteFarSnapPosition.ResolveArm`, AP-137). **4b-3 keeps that policy
-unchanged** — during the login window (null `_playerController` →
-classification refuses; every remote packet) remotes keep tracking through
-AP-87's catch-up, exactly as today. One consequence to state in the register
-rewrite: a TELEPORT_TS-advancing packet that arrives while classification is
-null consumes its teleport sequence in the timestamp gate but runs no hook —
-benign in the only producing window (fresh session: no moveto, stick, leash,
-or target exists yet to tear down), stated rather than discovered later.
-
-What T2 actually leaves 4b-3 is the player arm's legacy
-`!update.IsGrounded` fallback (the block whose comment says "4b deletes this
-fallback" — a comment this slice at last makes true), which handled
-wire-airborne packets for classifications 4a does not own. After D1 the
-unowned set shrinks to null and `Rejected*`. **Pinned replacement:** a
-wire-airborne packet with a null/`Rejected*` classification takes the retail
-return-0 shape applied to the acdream-only states — AP-135's two bookkeeping
-writes, no body write, no queue write, no render write, no leash arm, return.
-This deletes the legacy block's entity-revert quirk
-(`entity.SetPosition(rmState.Body.Position)`) and unifies the player and NPC
-arms on one leftover-airborne behaviour. Recorded in the AP-137 rewrite.
-
-### D3 — one teleport-hook implementation, triggered by the route, run inside the teleport arm before the placement
-
-The hook trigger moves from `timestamps.TeleportHookRequired` (deleted) to
-the classification: `route.TeleportHookPhase ==
-RuntimeTeleportHookPhase.BeforePositionOperation`, which the classifier
-already emits on exactly the remote teleport/cell-less branch. The hook runs
-inside the new teleport arm, immediately before
-`TryExecuteAcceptedRemotePosition` — retail's order (hook @0x005163EF before
-`SetPosition` @0x00516420), and it runs REGARDLESS of what the placement then
-yields (retail runs it before knowing the outcome).
-
-There must be exactly ONE hook implementation. The existing
-`RemoteTeleportHook.Execute` sequence — the six actions in retail order with
-a currency re-check between every step — is the port and must be preserved
-verbatim; whether the file moves into `AcDream.Runtime` (every action is
-expressible there: `remote.Movement.CancelMoveTo`,
-`rmState.Host.PositionManager.UnStick/UnConstrain`, `remote.Interp.Clear()`,
-`host.NotifyTeleported()`, `Physics.Engine.ShadowObjects.Suspend(localId)`)
-or stays an App bundle invoked from the arm is the implementer's choice.
-Runtime residence is preferred (it is where the sibling arm logic lives and
-what a future headless remote-motion consumer needs), but not at the cost of
-inventing a second hook path. `RemoteTeleportHookTests` (38 lines) moves or
-adapts with it — not silently dropped.
-
-**Undetermined item 2 is RESOLVED — yes, `EntityPhysicsHost.NotifyTeleported()`
-covers retail's TargetManager pair.** Verified on both sides:
-`NotifyTeleported` executes `_targetManager.ClearTarget()` then
-`_targetManager.NotifyVoyeurOfEvent(TargetStatus.Teleported)`
-(`src/AcDream.Runtime/Physics/EntityPhysicsHost.cs`), and retail's
-`teleport_hook` executes `TargetManager::ClearTarget` @0x00514F1B then
-`NotifyVoyeurOfEvent(Teleported_TargetStatus)` @0x00514F28 under one
-`target_manager != 0` guard. One-to-one; no open question remains here.
-
-### D4 — the single `ConstrainTo` arm, and its complete partition
-
-The legacy pre-operation arming call (the `OwnsAfterOperationConstraint`-gated
-fallback in the player/NPC shared section, whose comment already says "4b-3
-deletes it") is DELETED. The post-operation site —
-`RuntimeRemoteSteadyStatePosition.TryArmConstraintAfterOperation`, called once
-per arm after routing — becomes the only arm, matching retail's single site
-@0x00454272. Its predicate widens from
-`OwnsSteadyState || OwnsFarSnap` to the full retail partition:
-
-| classification (routed arm) | wire contact | retail return | arm? |
-|---|---|---|---|
-| teleport / cell-less (`SetPosition`, new arm) | any | 1 | **yes** — after the operation, on every placement outcome (retail discards the error), post-move anchor |
-| `Interpolate` (near) | grounded | 1 | yes (unchanged, 4a) |
-| `SetPositionSimple` (far) | grounded | 1 | yes (unchanged, 4b-2) |
-| `NoPositionOperation` (airborne no-op) | airborne | 0 | **no** (unchanged, 4a) |
-| null / `Rejected*` → `UnroutedCatchUp` | grounded | (no retail state; analog: nonzero) | yes — via the same post-operation site, which must therefore accept a null route for this case |
-| null / `Rejected*`, wire-airborne (D2 shape) | airborne | (analog: 0) | **no** — the current legacy pre-op arm DOES arm these; that was a divergence and it retires with the site |
-
-The one-packet unarmed residual on a superseded incarnation (the currency
-guard returning before arming) is AP-138(3) and extends to the teleport arm
-unchanged. This partition closes the shipped hole named in scoping
-correction 2: a remote hard teleport currently arms the leash NOWHERE
-(`remotePlacementRequired` returns ahead of every arming site after the
-hook's `UnConstrain`); after this slice the hook `UnConstrain`s and the
-single post-operation site re-arms — retail's exact sequence.
-
-### D5 — routing order: the teleport arm precedes every contact carve-out; sticky does not suppress it
-
-Retail decides the teleport branch before reading `arg4`. Therefore:
-
-- `RuntimeRemoteFarSnapPosition.ResolveArm` (or its successor) returns the
- new teleport arm ahead of everything else, and
- `ApplyRemoteContactRouting` dispatches it BEFORE the `!remote.Body.InContact`
- free-flight carve-out — an airborne-body teleport packet places, it does
- not `AirborneSnap`.
-- The player arm's landing block (`!rmState.Body.InContact` hard-snap +
- return) must not claim a teleport-classified packet: the teleport
- classification is routed before it (or the block is gated to classifications
- it owns — implementer's choice, pinned outcome: a teleport-classified
- packet always reaches the teleport arm regardless of wire or body contact).
-- The 4a `IsAirborneNoOperation` early returns are classification-gated
- already and cannot claim a `SetPosition` route — unchanged.
-- **The NPC arm's TS-44 sticky suppression (`snapSuppressedByStick`) does not
- suppress the teleport arm.** Retail's sticky cannot survive a teleport —
- `UnStick` is the hook's second action. The suppression remains exactly as
- it is for the near/far/leftover arms (its register row describes an
- NPC-only steady-state gate, which stays true).
-
-### D6 — the two per-packet gates widen to the teleport arm, same rule as the far arm
-
-- `TryApplyGenericRemoteRenderPose`: the gate stays `OwnsSteadyState` — the
- teleport arm (like the far arm) takes the early wire-pose write, and its
- tail re-syncs the render entity from the resolved body (invariant 2). This
- resolves the standing "route 4b-3 revisits the gate" comment: the answer is
- "unchanged, now stated"; delete the forward reference.
-- `TryAdoptWireCellAfterRouting`: the suppression (currently
- `arm is FarSnapPlacement`) widens to the teleport arm, for the same reason —
- after a canonical placement the placement is the cell authority; retail
- resolves the destination cell through `AdjustPosition`/`set_cell` and
- nothing writes the wire cell over it.
-
-### D7 — the post-placement currency guard covers the teleport arm; consolidation is sanctioned
-
-Both arms' re-validation ("the far arm is re-entrant — re-validate position
-ownership on EVERY placement status before writing anything else, arming
-included") widens to `Arm is FarSnapPlacement or `. Round 2's
-"do not churn" explicitly named for 4b-3 that this guard "belongs behind a
-testable Runtime seam rather than duplicated at two App call sites" — moving
-the duplicated guard into the Runtime seam is sanctioned in this slice, but
-only if the two arms' observable ordering (guard before arm, both arms
-identical — the R5 invariant) is preserved and pinned by test.
-
-### D8 — register bookkeeping, in the implementation commit
-
-- **AP-137 is REWRITTEN, not deleted.** Its cell-less enqueue-vs-place delta
- (part R2) retires — that is this slice's headline. But the row also records
- the two surviving acdream-only states (null classification during the login
- window; `RejectedData`/`RejectedAuthority` applied through
- `UnroutedCatchUp`), which have no retail mechanism and therefore keep a
- row. Rewrite the row to exactly the survivors plus D1's visibility-arm
- deletion and D2's wire-airborne leftover shape. (The handoff says "row
- deletion"; a deletion that silently dropped the surviving divergences would
- violate register rule 1 — this contract overrides that wording, and the
- summary reports the contradiction.)
-- **AD-42 must be updated**: it cites
- `src/AcDream.App/Physics/RemoteTeleportController.cs (ResolvePlacement)` as
- a surviving two-call enter-world split path. That citation dies with the
- class; the headless portal-arrival resync and
- `PhysicsEngine.ResolvePlacement` citations remain.
-- **AP-136 / AP-138 (D5 scoping text)**: both name "`RemoteTeleportController`'s
- rollback" as the shipped writer that can rebucket `record.FullCellId` to a
- third landblock under a retained retry. That writer is deleted; the
- surviving non-Position rebucket writers are the projection materializer
- (`DatLiveEntityProjectionMaterializer`) and the equipped-child renderer
- (`EquippedChildRenderController.TickChild`). Update both rows and the same
- claim inside `RuntimeSetPositionState`'s `CurrentCellId` doc and
- `RuntimeRemotePlacementDriveController.CanAttemptDestination`'s doc
- (process rule 6).
-- **AP-138's Risk column gains the teleport arm as a second producer** of the
- visible-without-collision residual: a remote that teleports into a
- non-published landblock and stands still is exactly the AP-136/AP-138
- shape, now reachable through this arm. No new machinery — the row's
- retirement path is already #309.
-- **AP-135 is untouched.**
-
-## Deletion inventory — every file, wiring site, and test
-
-Files deleted (739 production lines):
-
-| file | lines |
-|---|---|
-| `src/AcDream.App/Physics/RemoteTeleportController.cs` | 605 |
-| `src/AcDream.App/Physics/RemoteTeleportPlacement.cs` | 85 |
-| `src/AcDream.App/Physics/RemoteShadowPlacementSynchronizer.cs` (contains BOTH `RemoteShadowPlacementSynchronizer` and `RemoteTeleportPlacementPresentation`) | 49 |
-
-`src/AcDream.App/Physics/RemoteTeleportHook.cs` (57) is NOT deleted — it is
-the retail `teleport_hook` port and moves/re-wires per D3.
-
-Tests deleted (1,709 lines):
-
-| file | lines |
-|---|---|
-| `tests/AcDream.App.Tests/Physics/RemoteTeleportControllerTests.cs` | 1,515 |
-| `tests/AcDream.App.Tests/Physics/RemoteTeleportPlacementTests.cs` | 194 |
-
-`tests/AcDream.App.Tests/Physics/RemoteTeleportHookTests.cs` (38) moves with
-the hook.
-
-Wiring sites (the handoff's list of eight was a raw grep; the true set is
-below — two sites the handoff missed, and three of its entries are
-comment-only):
-
-| site | what happens |
-|---|---|
-| `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs` | The heart of the slice. Delete: ctor param + `_remoteTeleportController` field; `remoteHardTeleport` / `remotePlacementRequired`; `RunRemoteTeleportHook` (moves per D3); the `BeginPlacement` call; the whole `remotePlacementRequired` placement block (the `TryApply` call and its `Applied`/`Superseded` tails); the classification gate's `&& !remotePlacementRequired`; the legacy `!update.IsGrounded` fallback (D2); the legacy pre-operation `ConstrainTo` call (D4). Add: the teleport arm dispatch (D5), widened guards (D6/D7). |
-| `src/AcDream.App/Composition/LivePresentationComposition.cs` | Delete the `RemoteShadowPlacementSynchronizer` + `RemoteTeleportPlacementPresentation` constructions, the `remoteTeleportLease` acquisition, the `RemoteTeleport` record member, and the lease parameter threading. |
-| `src/AcDream.App/Composition/SessionPlayerComposition.cs` | Three `live.RemoteTeleport` pass-throughs (network-update controller ctor, teardown controller ctor, and the third composition site) — replaced by nothing; the drive controller is already threaded. **Missing from the handoff's list.** |
-| `src/AcDream.App/Net/LiveSessionRuntimeFactory.cs` | Delete the `RemoteTeleport` record member and the reset-plan binding `RemoteTeleport = _world.RemoteTeleport.Clear`. |
-| `src/AcDream.App/Net/LiveSessionResetManifest.cs` | Delete the `required Action RemoteTeleport` member and its `new("remote teleport", …)` stage. **Missing from the handoff's list.** Reset coverage is not lost: the drive controller's teardown is `DetachRoute` (cancels every live operation) and its ledger convergence is already asserted. |
-| `src/AcDream.App/Rendering/GameWindow.cs` | Delete the `_remoteTeleportController` field and its assignment from the composition result. |
-| `src/AcDream.App/Rendering/GameWindowLifetime.cs` | Delete the `RemoteTeleportController? RemoteTeleport` shutdown-root member and the `Hard("remote teleport", …)` stage. |
-| `src/AcDream.App/World/LiveEntityRuntimeTeardownController.cs` | Delete the ctor param, field, and the `_remoteTeleport.Forget(record)` cleanup entry. Per-entity teardown coverage is not lost: the drive controller self-heals on `IsPlacementCurrent` and `Forget`-on-accepted-Position retires operations. |
-| `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs` | **Comment-only** (two doc comments citing `RemoteTeleportPlacement.Apply` — the isCurrent-delegate note and the five-writer `Airborne` list, which becomes a four-writer list; the teleport path's `Airborne` derivation is now the canonical placement commit's, already on the list). Correct both (process rule 6). |
-| `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs` | **Comment-only** (the `CurrentCellId` retained-retry doc naming `RemoteTeleportController`'s rollback — D8). No code change; there is no teleport-hook machinery in this file to touch. |
-| `src/AcDream.Core/Physics/EntityCollisionFlags.cs` | **Comment-only** (TS-23 history note naming the pre-P3 inlined call sites). Historical statement — rewrite to past tense or leave verifiably historical; do not let it read as a live citation. |
-| `src/AcDream.Runtime/Session/RuntimeRemotePlacementDriveController.cs` | Widen `OwnsPlacement`'s scope comment (it ALREADY matches `SetPosition` + `Teleport` flag — no predicate change needed for the teleport disposition); add the teleport-arm entry point (D3); correct the `Advance()`/`CanAttemptDestination` docs' writer list (D8). |
-| `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs` + `src/AcDream.App/World/LiveEntityRuntime.cs` + `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs` + `src/AcDream.Runtime/Entities/InboundPhysicsStateController.cs` | Delete the `TeleportHookRequired` field, its `timestamps with {…}` computation, the `projectionRequiresTeleportHook` parameter/computation/`false` argument, and thread the pre-merge cell instead (D1). One doc comment in `InboundPhysicsStateController` cites `TeleportHookRequired`-adjacent bookkeeping — reword. |
-| `src/AcDream.App/World/LiveEntityPresentationController.cs` | `BeginAuthoritativePlacement` and `CompleteAuthoritativePlacement(deferShadowRestore: false)` lose their only production callers (`DeferShadowRestore`, `HasActivePlacement`, `HasDeferredShadowRestore` already have none), leaving `_activePlacementOwners` write-never while `IsPlacementActive` still reads it in the visibility suspend/restore gates. Delete the dead half in this commit — do not leave a zombie set that silently gates nothing — but trace the `IsPlacementActive` consumers first and state in the commit what each gate degenerates to. If tracing shows a live non-teleport dependency, STOP and report rather than deleting blind. |
-
-Test files updated (not deleted) — each references the deleted machinery
-incidentally: `UpdateFrameOrchestratorTests` (a `typeof(RemoteTeleportPlacementPresentation)`
-row), `RuntimeEntityOwnershipTests` (two `typeof(RemoteTeleportController)`
-exact-key assertions), `GameWindowLiveEntityCompositionTests`
-(`[InlineData("RunRemoteTeleportHook")]`), `LiveEntityLifecycleStressTests`
-(constructs the controller and calls `TryApply` — its scenario must be
-re-expressed against the canonical teleport arm, not dropped),
-`LiveSessionResetPlanTests` (the "remote teleport" stage),
-`CurrentGameRuntimeAdapterTests` (a noop binding),
-`RuntimeInitialCreateResidenceStateTests`
-(`RemoteTeleportSuffixIsQueuedBehindInitialAdmission` — verify what it pins;
-it is about suffix ordering under initial admission and likely survives with
-a rename), plus the eight files matching `TeleportHookRequired`.
-
-Stale comments this slice must make true (process rule 6 — verify each
-against the code beside it, and prefer symbol references): the
-`// 4b deletes this fallback` line (D2 deletes the fallback); the
-`// 4b-3 deletes it` on the legacy arm site (D4); the `remotePlacementRequired
-guarantees the classifier's teleport disposition never reaches here` route
-comment; `ClassifyRemoteAcceptedPosition`'s caller-doc sentence "whose
-remotePlacementRequired gate is already false"; `SeedRemoteSpawnPlacement`'s
-"Mirrors `RemoteTeleportPlacement`'s commit"; the AP-140 comment's citation of
-`RemoteTeleportPlacementTests.Apply_PendingGroundToSteepContact_…` as an
-`Airborne`-definition dependent (the test dies; the dependency list shrinks);
-the classifier's "only a later Runtime SetPosition or simulation commit may
-change FullCellId" (D1 shows it false); `TryApplyGenericRemoteRenderPose`'s
-"Route 4b-3 revisits the gate" (D6 resolves it).
-
-## Proof obligations (must prove, not assume)
-
-1. **`ParkCollisionResidents`'s overlap throw stays unreachable.** The
- argument is 4b-1/4b-2's, extended: every operation this route begins goes
- through `TryBeginExclusiveAuthoredPlacement` (one live operation per key —
- the Begin refuses a second), `DeferredCell` outcomes are cancelled
- synchronously (no park survives the controller), and retained entries are
- preparation retries bounded by the pre-flight re-check and the `Advance()`
- window-drop. The teleport arm adds packets to the same machinery, not a
- new operation shape. State this in the contract-conformance section of the
- implementation commit and keep the honest caveat 4b-1's B2 established:
- the guarded property is `TryAcquireCollisionPrefixMutationPermission`'s
- `HasOldPrefixPlacementDebt` refusal (a stall, not a throw), and the
- ledger convergence tests are the floor under it.
-2. **Ledger convergence with teleports in flight**: teardown, session reset,
- and generation change converge `RemotePlacementDrivePendingCount` (both
- registrations) to zero with retained teleport retries present — the same
- suite shape 4b-1 built, driven through the new arm.
-3. **The one-arm partition (D4)**: a test that counts arming calls per packet
- across the partition table's rows — exactly one for every "yes" row,
- exactly zero for every "no" row. The 4b-2 lesson (R7): assert the
- observable (the arm count / the anchor), not the code shape.
-
-## What this slice does NOT do
-
-- **AP-131** (shared merge call) — C5.
-- **AP-135** — stays, writes preserved (invariant 8).
-- **#276** — `SeedRemoteSpawnPlacement` is still not classification-gated;
- the AD-61 settle is untouched.
-- **#309 / AP-136 / AP-138 residuals** — the lost-cell/hidden-until-cell-load
- behaviour is not built here; the teleport arm inherits the far arm's
- store-and-stay-visible residual and the register rows say so (D8).
-- **Route 5 (projectile)** — `OwnsPlacement` keeps excluding
- `ProjectileAuthoritative`; no widening here.
-- **No headless remote consumer** — `RuntimeLiveEntitySessionController`
- still returns early for non-local GUIDs; the vacuous-satisfaction statement
- stays in the interface doc and the AP-137 rewrite.
-- **No changes to route 2's local-player ForcePosition/teleport paths**, the
- local-player teleport transit (`LocalPlayerTeleportController` keeps its own
- `NotifyTeleported` call), or route 1's executor.
-- **The recorded-not-consumed route facts stay recorded-not-consumed**:
- `UnparentBeforeRouting` / `ApplyPlacementFrameBeforeRouting` have no reader
- today (the unparent edge is owned by the merge's `EndChildProjection` and
- the hydration recovery); this slice adds no reader and does not delete the
- facts.
-
-## Test plan
-
-Tests must assert the layer that broke historically (process rule 4 —
-presentation/visibility, not only `InWorld`/clock/residency), and every new
-test must fail against a broken implementation (no source-text pins, no
-tautologies).
-
-Focused Runtime tests (`tests/AcDream.Runtime.Tests`):
-
-1. Teleport-classified commit: body at resolved destination, `FullCellId` =
- resolved cell, hook ran (moveto cancelled, stick released, interp queue
- empty, leash re-armed post-operation at the post-move anchor), clock
- active, `InWorld`.
-2. Teleport refused (destination outside the service window): pose STILL
- advances to the accepted destination (invariant 1), no park opened, no
- operation retained, entity `InWorld` + clock active + spatial root intact,
- AND the hook still ran (retail runs it before the placement decision).
-3. Teleport `RejectedByPlacement` (engine refused): pose does NOT move;
- `Cancelled`-after-commit: settled pose survives. (The far arm's tests
- exist; these drive the teleport arm through the same partition.)
-4. Cell-less classification now fires: a record whose PRE-merge committed
- cell is 0 (unwield-to-3D shape) classifies `SetPosition` and places
- unconditionally — the AP-137-retiring behaviour. Companion: the same
- packet with a nonzero pre-merge cell and no TELEPORT_TS advance does NOT
- classify `SetPosition` (proves D1's input is the pre-merge value, not the
- post-merge wire cell — this is the test that discriminates the fix from
- the shipped dead predicate).
-5. D4 partition: arm-count table test (proof obligation 3), including the
- wire-airborne null/`Rejected*` no-arm rows and the
- teleport-arm-on-every-outcome row.
-6. D5 ordering: an airborne-body teleport packet places (does not
- `AirborneSnap`, does not take the landing block); a stuck NPC's teleport
- packet runs the hook (`UnStick`) and places despite TS-44's suppression.
-7. Currency: teleport arm's synchronous receipt deletes/replaces the
- incarnation → nothing further written for the packet (guard before arm,
- both arms — the R5 shape, now for the teleport arm).
-8. Ledger/teardown: proof obligation 2.
-
-App-layer tests (`tests/AcDream.App.Tests`):
-
-9. **The presentation assertion (#312's layer):** after a remote teleport
- commit, the render `WorldEntity` pose equals the resolved body pose,
- `ParentCellId` equals the resolved cell, the entity is spatially visible,
- and the collision shadow was published. After a refused teleport, the
- render pose tracks the stored destination and the entity REMAINS visible.
-10. D2's leftover-airborne shape: wire-airborne null-classified packet writes
- exactly AP-135's two fields and nothing else (body, entity, queue, leash
- all untouched).
-11. AP-135 preservation on the rewritten arms (both airborne no-op paths).
-12. The generic render-pose + wire-cell-adoption gates: teleport arm takes
- the early write and suppresses the post-routing wire-cell adopt (D6) —
- asserted through the existing extracted entry points, not restated
- logic.
-
-Live-execution proof (process rule 5): a `[remote-teleport]` probe line —
-`PhysicsDiagnostics`-owned, `ACDREAM_PROBE_REMOTE_TELEPORT=1`, one line per
-routed teleport arm with guid, cause (`teleport-ts` vs `cellless`), hook-ran,
-and placement status, marked TEMPORARY with the existing probe family. The
-connected gate below is recorded as a pass ONLY if the probe line shows the
-new arm executed (a clean-looking session with zero probe lines is a
-not-run, exactly like #309's park probe).
-
-## Gates
-
-- Focused Runtime + App tests above.
-- Complete Release suite: `$env:ACDREAM_PAK_PATH` set,
- `dotnet test AcDream.slnx -c Release -m:1`. **Baseline 11,027 passed / 4
- skipped / 0 failed** at `2eb39a02`. The net count will move (1,709 test
- lines deleted, new tests added) — measure and record the new figure; do not
- inherit 11,027 as the expectation. Two known flakes, do not chase and do
- NOT conflate: **#302** (`PortalProjectionTests.ClipToRegion_FrameOwnedStore_…`,
- GC-allocation assertion, App.Tests) and **#308**
- (`NakEmissionTests.LossSoak_…`, wall-clock deadline, Core.Net.Tests,
- full-suite load only). If either appears, re-run and say which.
-- **Two-client connected teleport gate (user-run).** **CORRECTION (2026-08-04
- fix round, both independent Opus reviews):** the recipe below originally
- specified "a second character" as the teleport target. That is WRONG — a
- player-character target cannot exercise this arm's NPC/creature code path
- at all, and two of the three MAJOR defects the fix round found (A1's
- zero-arm leash regression, A2/R3's synthesized-velocity/run-cycle defect)
- are BOTH on the NPC-guid branch only; `RemoteServerControlledVelocityCycle.Apply`
- itself early-returns for any `0x50xxxxxx` guid, so a player-target run
- would report a clean pass while both defects shipped underneath it. **The
- target MUST be an NPC/creature** (an ACE admin teleport — `@teleto` /
- `@teleloc` — applied to a drudge/mosswart/etc., NOT a second player
- character) for the gate to see what it is supposed to see. Recipe: acdream
- stands as observer; the creature target is teleported with an ACE admin
- teleport (`@teleto` / `@teleloc`) — those route through `Teleport()` /
- `SendUpdatePosition(true)` and advance **ObjectTeleport** (TELEPORT_TS),
- which is exactly this arm's trigger on the observer (`@pklite` is route
- 2's ForcePosition lever, NOT this gate — see
- [`2026-08-03-c4-route-2-visual-gate.md`](2026-08-03-c4-route-2-visual-gate.md)).
- Run with `ACDREAM_PROBE_REMOTE_TELEPORT=1`. Correct: the observed creature
- vanishes from the old spot and appears at the destination in one step (no
- glide, no interpolated streak), **stands STILL with correct idle
- animation — NOT sprinting/running in place** (A2/R3's specific symptom:
- a synthesized teleport-distance velocity planning a RunForward cycle at
- the destination), and moves normally afterward (leash re-armed: no
- rubber-band, no tether — A1's specific symptom is the ABSENCE of a
- rubber-band/re-anchor where one should exist, since a creature that was
- knocked airborne on its first accepted Position after this teleport would
- otherwise never arm at all). Also teleport the remote OUT of view and
- back: it must re-appear correctly. Regressions to watch: a remote gliding
- across the map at teleport (queue not cleared), freezing at the old spot
- (the 4b-2 round-1 freeze class), invisible-but-audible at the destination
- (#312 class), invisible-but-solid (#184 class), a rubber-band after
- arrival, or the creature sprinting/running in place at the destination
- (A2/R3). Confirm at least one `[remote-teleport]` line per teleport, with
- the expected cause. Graceful close (ACE session-clear) per the standing
- rule.
-
-## Budget
-
-**~400-700 non-comment production lines** (net LOC strongly negative — the
-deletions are 739 production + 1,709 test lines). For calibration: 4a was
-364, 4b-1 was 230+57, 4b-2 landed within its 350-500. Exceed 700 new lines
-and STOP and report rather than pushing through.
-
-## Open questions routed to the retail-conformance reviewer
-
-1. **D1's evidence chain** (the merge stamps `FullCellId` with the wire cell
- before classification, making the shipped cell-less predicate dead) rests
- on the reading `TryApplyPosition` → `RefreshSnapshot(refreshPosition:
- acceptedPosition)` → `RefreshDerivedState` → `SetFullCell(wire cell)`,
- with classification after the gate and before the prologue rebucket.
- Verify independently — it is the load-bearing claim of this contract, and
- if it is wrong the D1 plumbing is unnecessary churn.
-2. **`report_collision_end(this, 1)` ↔ `ShadowObjects.Suspend(localEntityId)`**:
- the existing hook maps retail's collision-end report to a broadphase
- shadow suspension. This mapping predates 4b-3 and is carried, not
- re-derived. Confirm against @0x00514F31's callee that the "1" argument
- (report-to-partners) has no unported half, or file the delta on the
- AP-137 successor row.
-3. **The `LiveEntityPresentationController._activePlacementOwners` deletion**
- (deletion-inventory last row): confirm by reading `IsPlacementActive`'s
- two consumers that removing the write-never set cannot change a
- Hidden/UnHide or visibility-edge restore for non-teleport entities.
-4. **`RemoteTeleportSuffixIsQueuedBehindInitialAdmission`**
- (`RuntimeInitialCreateResidenceStateTests`): confirm what it pins and
- that it survives (renamed) rather than being deleted as collateral.
-
-## Contradictions with the handoff/scoping docs — reported, not smoothed over
-
-- **The handoff's "AP-137 row deletion belongs in the implementation
- commit"** conflicts with the row's own content: null and `Rejected*` are
- acdream-only divergences that survive this slice and must keep a row.
- Pinned as rewrite-in-place (D8). If the reviewer prefers
- delete-and-refile-narrow, either satisfies register rule 1; silent whole-row
- deletion does not.
-- **The handoff's wiring-site list (8 sites) is a raw grep, not a wiring
- list**: `SessionPlayerComposition.cs` and `LiveSessionResetManifest.cs` are
- real wiring sites it missed; `RuntimeRemotePhysicsUpdater.cs`,
- `RuntimeSetPositionState.cs`, and `EntityCollisionFlags.cs` are
- comment-only.
-- **The handoff's "`RuntimeSetPositionState.cs` — the teleport-hook phase
- support and SetFlags analog"**: there is no teleport-hook phase support in
- that file. The phase lives on the classifier route
- (`RuntimeTeleportHookPhase`), and the SetFlags analog is the `flags`
- parameter of `TryPrepareAndSubmitAuthoredPlacement` fed from
- `route.SetPositionFlags`.
-- **The scoping doc's T1 ("they disagree in both directions")** understates
- the finding: as fed today the classifier's cell-less predicate is not
- merely different — it is unreachable for remote PositionEvents (D1). The
- design decision is therefore not "reconcile two predicates" but "feed the
- classifier retail's predicate at all".
-- **The scoping doc's T2** describes the pre-4b-2 tree; 4b-2 already
- established the null/`Rejected*` policy. What 4b-3 actually decides is the
- wire-airborne leftover shape (D2), which neither doc names.
-
----
-
-## Connected gate RESULT — PASSED 2026-08-04 (user-run, user-accepted)
-
-Run against the exact `6dc7ba51` Release binary with the retail UI
-(`ACDREAM_RETAIL_UI=1`) and `ACDREAM_PROBE_REMOTE_TELEPORT=1`, live ACE at
-`127.0.0.1:9000`. Log: `4b3-gate-retailui.log` (440 lines, graceful exit 0).
-
-**User verdict: "all works"** — no glide/streak on arrival, correct standing
-animation, normal movement afterward, no rubber-band or tether.
-
-**Probe evidence (this is what makes it a pass rather than a clean-looking
-session):** 16 `[remote-teleport]` lines across 7 distinct creatures, every one
-`hookRan=True placement=Committed`. Every guid is in the `0x8xxxxxxx` creature
-range — NOT `0x50xxxxxx` — so the run exercised the NPC-guid branch, which is
-where all three of the fix round's NPC-arm MAJORs lived (A1's zero-arm leash
-regression, R1's missing D2 shape, R3/A2's synthesized run-cycle velocity).
-The corrected creature-target recipe is therefore validated in practice, not
-just in argument.
-
-**HONEST GAP — the cell-less half is NOT live-verified.** All 16 lines are
-`cause=teleport-ts`; `cause=cellless` was never observed. So the arm's
-TELEPORT_TS trigger is proven live and its cell-less trigger (retail's
-`this_1->cell == 0` @0x00516386 — a body with no committed cell at all, e.g.
-after an unwield-to-3D `SetFullCell(0,0)` or any canonical withdrawal) is
-covered by tests only. This is deliberately recorded rather than folded into a
-blanket "gate passed", because it is exactly 4b-2's #309 shape: that session's
-11 park probes were all one cause, the other cause went unexercised, and
-without the probe the session would have been recorded as full coverage.
-
-**Superseded 2026-08-04 by C4 route 7 (see
-`docs/research/2026-08-04-c4-route-7-contract.md` §11).** The recipe below —
-"the unwield-to-3D path is the cheapest reachable trigger" — no longer fires.
-Route 7 ported retail's parent-cell propagation (`docs/research/2026-08-04-retail-parent-cell-propagation.md`):
-retail's `unset_parent` does no cell work, so a wielded child's unwield
-Position reaches `MoveOrTeleport` with `this->cell` = the parent's cell —
-NON-zero — and retail's cell-less branch never fires for unwield either. A
-committed child's canonical `FullCellId` is now deterministically the
-parent's (nonzero whenever the parent is celled), so an unwield Position
-classifies by TELEPORT_TS/distance like any other packet, exactly matching
-retail's predicate population. This is a correctness fix, not a regression:
-the OLD recipe only worked because a parented child's canonical cell was
-whatever the render-tick writer last produced — zero headless and zero in
-any pre-first-tick window — which was itself the #184-class defect route 7
-closed.
-
-**To close the honest gap now:** provoke a Position on a body that is
-genuinely withdrawn/never-celled at merge time — a body between
-`CommitWithdrawal`/`CommitAcceptedParentCellless`'s cell-less edge and its
-next accepted Position, or a body whose initial Create never resolved a
-cell. Whether ACE ever emits an UpdatePosition in that exact window is
-UNESTABLISHED; this needs its own investigation before a live recipe can be
-written down. Test 4 in this contract's plan (`4b-3`, "unwield-to-3D shape
-classifies `SetPosition`") remains a valid Runtime-level fixture — it
-directly constructs a record with `PreMergeCommittedCellId == 0` — but it is
-a SYNTHETIC pre-merge-cell-0 fixture, not a live unwield behavior, and must
-not be re-labeled as one.
diff --git a/docs/research/2026-08-04-c4-route-4b-3-retail-review-round2.md b/docs/research/2026-08-04-c4-route-4b-3-retail-review-round2.md
deleted file mode 100644
index 1381b512..00000000
--- a/docs/research/2026-08-04-c4-route-4b-3-retail-review-round2.md
+++ /dev/null
@@ -1,352 +0,0 @@
-# C4 route 4b-3 — retail-conformance review, round 2 (delta) — 2026-08-04
-
-Delta review of the round-1 fix pass, same working tree, still uncommitted.
-Round 1: [`2026-08-04-c4-route-4b-3-retail-review.md`](2026-08-04-c4-route-4b-3-retail-review.md).
-Adversarial review: [`2026-08-04-c4-route-4b-3-architecture-review.md`](2026-08-04-c4-route-4b-3-architecture-review.md).
-
-Scope: the deltas only. Everything round 1 verified sound and did not flag
-(the retail address set, D1's evidence chain, D3's hook order, the
-`SetFlags(0x1012)` mapping, D5's routing order, D6/D7, invariants 1/2/4/10/11,
-the AD-42/AP-136/AP-138 updates) was re-checked for *disturbance*, not
-re-derived.
-
----
-
-## VERDICT: **PASS**
-
-All three MAJOR findings are fixed, and each fix is retail-correct on the
-merits rather than merely symptom-suppressing:
-
-- **R1/A7** — the D2 return-0 shape is now shared by both branches, so
- retail's "no `this == player` distinction" holds on this shape for the first
- time. AP-137's claim is now true.
-- **R2** — the hook's sixth action now routes to the *actual* port of
- @0x00514620, and `LeaveWorld`'s retained-peer / retained-environment
- semantics match retail's arg2=1 behaviour exactly (verified below, since
- that was the remaining open question).
-- **R3/A2** — the synthesized velocity and the cycle plan are both excluded
- for a teleport-classified route, and the exclusion is *positive* rather than
- relying on the incidental moveto guard the hook itself destroys.
-- **A1** — `ToConstraintArm`'s `AirborneSnap` mapping is now an arming value.
- **I scrutinized this hardest per the coordinator's request and it is
- correct** — see §1.
-
-Two of my round-1 MINORs (R7, R9) were fixed by rewriting the comments rather
-than the code, which is the right call in both cases. R4, R5, R6, R8 are
-genuinely fixed. No new retail divergence introduced by any fix. No fix
-disturbed anything round 1 had verified.
-
-Gates observed: `dotnet build AcDream.slnx -c Release` **0 warnings / 0 errors**;
-`AcDream.Runtime.Tests` **1,125 / 0 skipped / 0 failed**; `AcDream.App.Tests`
-**4,081 / 3 skipped / 0 failed**. Per process rule 3 none of this is treated as
-conformance evidence; the discriminating power of the three new tests is
-assessed separately in §5.
-
----
-
-## 1. A1's fix — is `NearInterpolate` the retail-correct arm for `AirborneSnap`?
-
-**Yes, and for the right reason.** The coordinator asked me to check the
-mapping's *whole partition* against "retail returned nonzero", not the arm
-label. That is exactly the right framing, because retail's arming is not
-per-arm at all — `ConstrainTo` @0x00454272 sits inside
-`if (MoveOrTeleport(...) != 0)` @0x00454254, one site, and every branch of
-`MoveOrTeleport` that does anything returns 1.
-
-`TryArmConstraintAfterOperation` consumes the arm value **only** as an
-arms/doesn't-arm discriminator (it is a `switch` yielding `bool`), so the label
-is cosmetic and the only question that matters is which side of the partition
-each `RemoteContactArm` lands on. Re-derived:
-
-| `RemoteContactArm` | reachable when | retail's `MoveOrTeleport` | must arm? | maps to | arms? |
-|---|---|---|---|---|---|
-| `TeleportPlacement` | teleport/cell-less classification | branch @0x00516386, `return 1` @0x00516438 | yes | `TeleportPlacement` | ✓ |
-| `FarSnapPlacement` | `SetPositionSimple`, ≥96 m | far branch, `return 1` @0x005163E8 | yes | `FarSnapPlacement` | ✓ |
-| `SteadyStateInterpolate` | `Interpolate`, <96 m | near branch, `return 1` @0x005163BE | yes | `NearInterpolate` | ✓ |
-| `AirborneSnap` | **wire-grounded** packet whose *body* lacks a contact plane | near or far branch (the wire bit is set, so `arg4 != 0`), `return 1` | **yes** | `NearInterpolate` | ✓ **(the fix)** |
-| `UnroutedCatchUp` | null/`Rejected*`, wire-grounded | no retail state; analogue is nonzero | yes | `UnroutedCatchUp` | ✓ |
-| retail's `arg4 == 0` | — | `return 0` @0x0051636D | no | *not expressible* → `throw` | n/a |
-
-The load-bearing claim is the fourth row's "wire-grounded". I verified it holds
-on **both** branches after the fix, by enumerating every classification that
-can reach `ApplyRemoteContactRouting`:
-
-- A wire-airborne packet can only classify `NoPositionOperation` (classifier's
- `!effectiveContact` branch, `RuntimeAuthoritativePositionRouteClassifier.cs:430-448`),
- `null`, `RejectedAuthority`/`RejectedData`, or `SetPosition` (the teleport
- branch, which precedes the contact test). `Interpolate` and
- `SetPositionSimple` are unreachable with a clear wire bit. The
- `SameIncarnationCreate` `effectiveContact` override cannot apply here — this
- path always passes `RuntimeAcceptedPositionSource.PositionEvent`
- (`RuntimeEntityObjectLifetime.cs:643`).
-- `NoPositionOperation` returns at each branch's `IsAirborneNoOperation` gate
- (player `:2313`, NPC `:2692`).
-- `SetPosition` dispatches ahead of the carve-out (player `:2330`, and inside
- `ApplyRemoteContactRouting` itself for the NPC path).
-- `null`/`Rejected*` now return at each branch's D2 call (player `:2370`,
- **NPC `:2717`, the R1 fix** — and this is precisely why the fix had to land
- for the mapping to be sound).
-
-So after the fix, **nothing wire-airborne reaches the carve-out**, and
-`AirborneSnap` implies `arg4 != 0` implies retail returned nonzero implies
-retail armed. The mapping's partition is exactly "retail returned nonzero", and
-the one case it cannot express (retail's true `arg4 == 0` no-op) is the one the
-throwing default now enforces as unreachable rather than silently absorbing.
-
-Two supporting observations:
-
-- The `NearInterpolate` *label* is semantically loose for a hard snap, but the
- justification given ("the same arming value the player arm's own LANDING
- TRANSITION block already uses explicitly for the identical scenario —
- grounded wire, body not in contact") is accurate: `:2469-2471` hard-codes
- `NearInterpolate` for exactly that packet shape. Consistency between the two
- sites is worth more here than a new enum member, and the doc block at
- `:1454-1480` states the reasoning rather than asserting the conclusion.
-- The A1 fix is *dependent on* the R1 fix. Had R1 been declined ("scope the
- AP-137 row to the player arm" — the option the architecture review offered
- at A7), `AirborneSnap` would still be reachable wire-airborne on the NPC arm
- and mapping it to an arming value would have produced the **opposite**
- divergence (arming where retail returns 0). The two fixes are only jointly
- correct. Worth noting in the commit message so a future revert of one does
- not silently invert the other.
-
----
-
-## 2. R2's fix — `LeaveWorld` vs retail @0x00514620 with `arg2 = 1`
-
-Per instruction I did not re-litigate the `LeaveWorld`-vs-`ForceEnd` choice
-(the coordinator's reasoning about `_admissionBlocked` is right, and `ForceEnd`
-is private). The remaining open question was whether `LeaveWorld`'s stated
-retained semantics — *"Incoming peer records and the environment latch are
-intentionally retained"* — match retail. **They do, on both halves.**
-
-Re-read of `report_collision_end` @0x00514620 (line 282526ff) and
-`report_object_collision_end` @0x00510A90 (line 278590ff):
-
-| retail behaviour | acdream `LeaveWorld` → `ForceEnd` → `EndExpiredObjectCollisions(force: true)` | match |
-|---|---|---|
-| Iterates **only** `this->collision_table` (the owner's own table) | `_owners[ownerKey].Order`/`.Records` only (`:1115-1141`) | ✓ |
-| `arg2 != 0` bypasses both the >1 s staleness test @0x005146D2 and the still-touching test @0x005146DA (`goto label_514706` in each) | `if (!force && !(age > 1d) && !(collision.Ethereal && age > 0d)) continue;` — `force` short-circuits both (`:1132-1137`) | ✓ |
-| Deletes the complete selected set **before** the first callback (`DeleteCurrent` in the walk, callbacks in the tail loop @0x0051474D) | "Retail deletes the complete expired set before issuing any end callback" — precommit loop at `:1149-1155` ahead of the callback loop at `:1164` | ✓ |
-| Fires `DoCollisionEnd` on **both** weenies, each gated on its own `state & 8` (REPORT_COLLISIONS) @0x00510AC8 / @0x00510AE0 | `PublishResolvedObjectEnd` publishes owner→target and target→owner, each gated on that side's `PhysicsStateFlags.ReportCollisions` (`:1234-1268`) | ✓ |
-| Does **not** touch the partner's own `collision_table` — the partner's record of `this` survives to its own expiry/force pass | only `RemoveReverseOwner(collision.Key, ownerKey)` (`:1154`), which prunes the Runtime-side `_ownersByPeer` **index**, not the peer's `Records` | ✓ ("incoming peer records … retained") |
-| Does **not** read or write `colliding_with_environment` — that is `handle_all_collisions`' business @0x00514800 | `CollidingWithEnvironment` is untouched by `ForceEnd`/`EndExpiredObjectCollisions`; only `HandleReports` (`:847-859`) writes it | ✓ ("the environment latch … retained") |
-
-The doc sentence is therefore not a caveat to be excused — it is a precise
-statement of retail's own scoping. **No residual delta; nothing owed to the
-register.** Correspondingly, AP-137 carrying no `report_collision_end` row is
-now correct (round 1's requirement was "confirm *or* file"; the fix confirms).
-
-**Dropping the `ShadowObjects.Suspend` side is also right, and safe.** Retail's
-`teleport_hook` does not remove shadows; `SetPositionInternal` does that itself
-as part of the commit. The strongest argument for safety is one the doc does
-not make explicitly and should: **the far arm has never suspended either**, and
-it reaches the engine through the identical `TryExecuteAcceptedRemotePosition`
-→ `SubmitAndResolve` path. So after this fix the teleport arm's shadow handling
-is byte-identical to the far arm's, which has been through two live gates. The
-frames-scale intangibility window round 1 flagged is closed by construction
-rather than by compensation.
-
----
-
-## 3. R1's and R3's fixes
-
-**R1 — `ApplyWireAirborneLeftoverBookkeeping`, both branches.** Retail-correct:
-`arg4 == 0` → `return 0` @0x0051636D writes nothing, and the two writes that
-remain are AP-135's acdream-only free-fall-sweep bookkeeping, whose row is
-untouched. The NPC call site (`:2717-2722`) is correctly placed *after* the
-`IsAirborneNoOperation` return and *before* the synth-velocity block and the
-sticky gate, so a wire-airborne leftover NPC packet no longer reaches the
-free-flight carve-out, the arming site, or the render/shadow publish. **AP-137's
-"unifies player and NPC remotes on one behaviour" sentence is now TRUE** — I
-re-read the row and traced both call sites.
-
-One side effect worth stating and not a defect: the NPC arm's synth-velocity
-install no longer runs for wire-airborne leftover packets (they return above
-it). That moves *toward* retail, which writes no velocity on the `return 0`
-branch.
-
-**R3/A2 — the `!isTeleportRoute` gates.** Both halves are gated (install
-`:2741`, cycle apply `:2886`), and the gate is positive rather than relying on
-`rm.MoveTo`, which the hook's own `CancelMoveTo` invalidates — the reasoning in
-the comment at `:2724-2740` is correct and is the non-obvious part. Retail's
-teleport branch writes no velocity (verified round 1: `set_velocity` @0x004541B4
-is inside the *local player's* branch only), so this is the faithful shape.
-
-`rmState.LastServerPos` is advanced to the destination at `:2884`, after
-routing, so the *next* packet's synthesis no longer spans the teleport jump —
-the comment claims this and it holds.
-
-Non-finding, checked because it looked like one: a stale `HasServerVelocity`
-from a pre-teleport packet survives the teleport packet, but nothing consumes
-it into a cycle in that window (`RuntimeRemotePhysicsUpdater.cs:198-208` only
-*zeroes* it, and `RemoteServerControlledVelocityCycle.Apply`'s only other
-caller is that zeroing path). And a creature that was mid-run when teleported
-keeps its current cycle — which is also what retail does, since `teleport_hook`
-cancels the moveto but never calls `SetCycle`.
-
----
-
-## 4. The two new shared helpers — per-call-site behaviour delta
-
-Checked each site against the code it replaced.
-
-**`ApplyWireAirborneLeftoverBookkeeping` (2 sites).**
-
-- Player `:2390` — previously wrote `LastServerPos`/`LastServerPosTime` only;
- now also `remote.CellId = wireCellId`. Verified genuinely redundant: this arm
- already wrote `rmState.CellId = p.LandblockId` unconditionally at `:2251`,
- and the argument passed is the same `p.LandblockId`. **No behaviour change.**
- The comment at `:2386-2389` states the redundancy, which is the honest
- framing.
-- NPC `:2719` — new, and the intended R1 fix.
-
-**`RunRemoteArmTail` (3 sites).**
-
-- Player teleport `:2333` — the old inline guard was *unconditional*; the
- helper's is gated on `FarSnapPlacement or TeleportPlacement`. Equivalent
- here, because the caller has already tested `OwnsTeleportPlacement(route)`
- and `ApplyRemoteContactRouting` tests the same predicate first, so the arm is
- always `TeleportPlacement`. **No behaviour change.**
-- Player grounded `:2566` — old guard was `FarSnapPlacement` only; the helper
- adds `TeleportPlacement`, which is unreachable at this site (dispatched and
- returned above). **No behaviour change.**
-- NPC `:2818` — old guard was already `FarSnapPlacement or TeleportPlacement`.
- **Character-identical.**
-
-All three previously computed `willBeDrTicked` as
-`WillAdvanceRemoteMotion(update.Guid, rmState)`, which the helper reproduces,
-and all three retain guard-before-arm (the R5 invariant). The only intended
-delta is the hook closure now capturing `canonical`/`remote` instead of
-`update.Guid`/`entity.Id` — which is R6's fix, and is a strict improvement:
-`RunRemoteTeleportHook` no longer re-resolves the `RemoteMotion` by GUID, so
-the six actions operate on the same `rmState` the placement does, and
-`hookRan=True` can no longer be printed for a hook that silently no-opped.
-
-**One incidental simplification I checked separately because it was not flagged
-by either review:** the NPC velocity block's `!IsPlayerGuid(update.Guid)`
-guards (both the synth condition and the `else if` zeroing branch) were dropped
-when the block was wrapped in `if (!isTeleportRoute)`. This is safe — the block
-sits below `if (IsPlayerGuid(update.Guid)) { … return; }`, and I confirmed
-every path inside that block returns (`:2316`, `:2367`, `:2396`, `:2541`,
-`:2668`), so `IsPlayerGuid` is unconditionally false there. **No behaviour
-change**, but it is an unremarked edit inside a fix hunk; worth a line in the
-commit message.
-
----
-
-## 5. Test discrimination
-
-The three new App tests target the three MAJORs and each one fails against the
-pre-fix code by construction, not by coincidence:
-
-- `NpcAirborneSnap_LandingPacket_StillArmsTheLeash` — asserts
- `host.PositionManager.Constraint` is null before and non-null after. The only
- path that creates it for this packet is
- `TryArmConstraintAfterOperation(ToConstraintArm(AirborneSnap))`; the pre-fix
- mapping returns `AirborneNoOperation`, which never arms, so the assertion
- fails. The packet shape genuinely produces `AirborneSnap` (creature guid,
- `teleportSequence` matching the spawn so no TELEPORT_TS advance, wire
- grounded, `TransientState = Active` so no contact bit). This is the
- end-to-end arm-count coverage proof obligation 3 asked for and round 1 found
- missing.
-- `NpcTeleport_DoesNotInstallASynthesizedVelocity` — deliberately seeds
- `LastServerPos`/`LastServerPosTime` so a broken implementation has a real
- distance and interval to synthesize from. Without that seeding it would have
- been a degenerate first-packet no-op, i.e. a tautology; the doc says so.
-- `NullClassifiedNpc_WireAirbornePacket_WritesOnlyBookkeepingNoBodyOrShadow` —
- asserts no body write and exactly one spawn-pose shadow entry. Pre-fix, the
- free-flight carve-out hard-snaps the body to `wirePos`, so both fail.
-
-**Minor gap (not blocking):** that last test's doc claims "body, entity, queue,
-leash all untouched" but only asserts body and shadow. Adding
-`Assert.Null(host.PositionManager.Constraint)` and an interp-queue-depth
-assertion would make the test say what its name and doc say. Cheap, and the
-leash half is the one D4's partition table calls out as a "no arm" row.
-
----
-
-## 6. Spot-check of round-1 MINORs
-
-| # | status |
-|---|---|
-| R4 (rebucket comment claimed it feeds `CommittedCellId`) | **fixed** — `:2036-2038` now reads "commits its canonical FullCellId (the ConstraintDistance cell key)"; the false feedback clause is gone and the surviving clause is true. |
-| R5 (architecture docs describe deleted classes as live) | **fixed** — `acdream-architecture.md:467-468` and `code-structure.md:265, 418-419` now record the deletion and name the canonical placement owner. |
-| R6 (hook re-resolved by GUID; probe could lie) | **fixed** — `RunRemoteTeleportHook(canonical, remote, isCurrent)` takes the caller's own `rmState`; `host` comes from `remote.Host`, the same bound reference. A null host is now genuinely "the manager doesn't exist yet", matching retail's per-manager guards. |
-| R7 (`hookRan` consumed only by the probe) | **fixed as documentation** — `:1103-1108` states the retail justification (@0x005163EF runs regardless of what @0x00516420 yields). Correct call: the behaviour was already right. |
-| R8 (undocumented second null-producer) | **fixed** — AP-137 now names the dormant initial-residence enqueue path explicitly, *and* carries my "unverified from static reading" flag forward rather than upgrading it to a claim. That is the right handling of a flagged unknown. |
-| R9 (duplicate AP-135 writes / misleading comment) | **fixed as documentation** — the shared helper's doc and the player call site both state the write is redundant there and load-bearing on the NPC arm. |
-| A5 (landing-block comment said "always classifies Interpolate") | **fixed** — `:2455-2467` now enumerates the four classifications that reach the block and states why `NearInterpolate` is correct for all of them. Consistent with §1's partition. |
-| A8 (dead `wasCellless` local) | **fixed** — the local is gone; the surviving comment at `:1757-1766` refers to `beforeCell`, which still exists. |
-
----
-
-## 7. The corrected gate recipe
-
-**The correction text is right, and its "why" is right.** I verified both
-claims independently:
-
-- `RemoteServerControlledVelocityCycle.Apply` early-returns for
- `0x50xxxxxx` guids (`:27-49`), so A2/R3 is structurally invisible to a
- player target — and the player arm is doubly immune because its teleport
- block returns at `:2367`, above the player synth-velocity at `:2608`.
-- A1 is invisible to a player target because `AirborneSnap` is unreachable on
- the player arm: the LANDING TRANSITION block returns whenever
- `!Body.InContact`, so routing is only ever entered with a body in contact.
- The comment at `:2548-2550` states exactly this and is accurate.
-
-The wording is precisely scoped ("cannot exercise this arm's **NPC/creature
-code path**"), which matters — a player-target teleport is still a useful run:
-it exercises the hook, the placement, invariant 2's presentation sync, the
-queue clear, the leash re-arm, and the probe. It is just not sufficient. The
-recipe now names the two specific symptoms (sprinting in place; absence of a
-re-anchor) rather than only the generic ones, which is what makes it a gate
-rather than a look-around.
-
----
-
-## 8. Judgment on the disclosed-not-fixed items
-
-**Acceptable, all three**, with one filing recommendation.
-
-1. **No dedicated bidirectional collision-partner-notification test for the R2
- path — ACCEPTABLE.** The bidirectional publication and the
- delete-before-callback ordering are already covered by
- `RuntimeCollisionReportingStateTests` against `LeaveWorld` itself
- (`:1304`, `:1431`, `:1524`), and §2 verifies the semantics against the
- decomp directly. What is genuinely untested is the *wiring* — that the
- teleport hook reaches `LeaveWorld` at all. That is a one-line assertion on
- the existing teleport fixture (observe the report stream, or assert the
- owner's table is empty after the packet) and is worth adding, but its
- absence does not put a retail divergence in the tree.
-2. **A3, the stress test's hand-written teleport step — ACCEPTABLE as
- disclosed.** It is a coverage loss, not a false pass: the Hidden/
- DeferredShadowRestore half of that scenario still discriminates, and the
- teleport arm itself now has three dedicated App tests plus seven Runtime
- ones. Re-expressing it against the canonical arm is a follow-up, not a
- blocker.
-3. **The per-packet `runTeleportHook` closure — ACCEPTABLE, but file it.** It
- is a real regression against `3e002993`, where the inner lambda was
- allocated only when `remoteHardTeleport` was true; now a display class plus
- delegate is allocated for every remote accepted Position. It is on the
- packet path (5-10 Hz per remote), not the physics-resolve path Slice I's
- "0 B/resolve" discipline governs, so it does not violate a standing gate.
- But it is a one-line fix (cache a `Func` per controller, or pass the
- hook as a method group with the state already in scope) and the next slice
- adds a fourth call site. The `teleportStatus.ToString()` half is already
- fixed by hoisting the probe guard to the call site (`:1123`).
-
----
-
-## 9. Still owed (unchanged from round 1, not blocking this verdict)
-
-- The complete Release suite figure the Gates section requires ("measure and
- record the new figure; do not inherit 11,027") — the work is still
- uncommitted, so there is no commit message carrying it.
-- Proof obligation 1's `ParkCollisionResidents` statement (architecture review
- A9) — owed to the implementation commit.
-- The two-client connected gate, now correctly specified as a **creature**
- target.
-- The joint dependency between the R1 and A1 fixes (§1) belongs in the commit
- message: reverting R1 alone would invert A1's mapping from correct to
- wrong-in-the-other-direction.
diff --git a/docs/research/2026-08-04-c4-route-4b-3-retail-review.md b/docs/research/2026-08-04-c4-route-4b-3-retail-review.md
deleted file mode 100644
index 62518b62..00000000
--- a/docs/research/2026-08-04-c4-route-4b-3-retail-review.md
+++ /dev/null
@@ -1,449 +0,0 @@
-# C4 route 4b-3 — retail-conformance review (2026-08-04)
-
-Reviewer lens: **does this diff do what the retail client does?** Architecture,
-style, and layering are a separate reviewer's lane.
-
-Subject: the uncommitted working tree on `claude/acdream-physics-divergence-5aa784`
-at HEAD `3e002993` (`git diff HEAD` + four untracked files; the contract
-`docs/research/2026-08-04-c4-route-4b-3-contract.md` is itself untracked and is
-not part of the change under review).
-
-Build: `dotnet build AcDream.slnx -c Release` — **green, 0 warnings**.
-Focused check: `AcDream.Runtime.Tests --filter Teleport` — 29/29 pass.
-Per process rule 3, neither is treated as evidence of conformance.
-
----
-
-## VERDICT: **FAIL**
-
-Three MAJOR findings. R1 and R2 are contract requirements that were pinned and
-not met, and R1 additionally ships a **register row asserting behaviour the code
-does not have** — the exact defect class process rule 6 exists to stop. R3 is a
-newly-reachable retail divergence whose symptom is precisely what the connected
-gate recipe lists as its acceptance criterion ("stands with correct animation").
-
-None of the three is hard to fix. The core of the slice — the D1 pre-merge cell,
-the arm ordering, the single `ConstrainTo` site, the hook order, the flags — is
-**correct and verified against the decomp**. The failures are at the edges the
-findings chain keeps warning about: the NPC copy, and an unported half nobody
-re-derived.
-
----
-
-## Part 1 — independent verification of the contract's retail claims
-
-Every address in the contract's "Retail ground truth" section was re-read in
-`docs/research/named-retail/acclient_2013_pseudo_c.txt`. **All five load-bearing
-facts confirmed.**
-
-| claim | verified |
-|---|---|
-| `MoveOrTeleport` @0x00516330; branch @0x00516386 `if (eax_8 != 0 \|\| this_1->cell == 0)` | ✓ line 284304ff. `this_1 = this` is assigned @0x00516334 from the incoming `CPhysicsObj*`, so `this_1->cell` **is the body's own current cell**, read at entry, before any placement. The whole D1 design rests on this and it is right. |
-| `arg4` is read only @0x0051638E, *after* the branch | ✓ — the teleport branch's `return 1` @0x00516438 executes without `arg4` ever being touched. A teleport/cell-less packet places unconditionally: airborne wire bit, airborne body, any distance. |
-| `teleport_hook` @0x005163EF runs BEFORE `SetPosition` @0x00516420 | ✓ |
-| `teleport_hook` @0x00514ED0 action list and order | ✓ line 283115ff, exactly: `CancelMoveTo(0x3C)` @0x00514EDF → `UnStick` @0x00514EEE → `StopInterpolating` @0x00514EFD → `UnConstrain` @0x00514F0C → `ClearTarget` @0x00514F1B + `NotifyVoyeurOfEvent(Teleported_TargetStatus)` @0x00514F28 (one `target_manager != 0` guard over the pair) → `report_collision_end(this, 1)` @0x00514F31. Each manager guarded on non-null. |
-| `SetFlags(0x1012)` @0x00516414 | ✓ = `Teleport(0x002) \| Slide(0x010) \| SendPositionEvent(0x1000)`. acdream's `AuthoritativeTeleportFlags` (`RuntimeAuthoritativePositionRouteClassifier.cs:197-200`) is bit-for-bit the same against `PhysicsSetPosition.cs:64-76`. |
-| ONE `ConstrainTo` @0x00454272 via `HandleReceivedPosition` @0x00453FD0 | ✓ line 92896ff. The remote branch (`arg2 != this->player` @0x0045414D) is `if (MoveOrTeleport(...) != 0)` @0x00454254 → `ConstrainTo(arg2, &arg2->m_position, …)` @0x00454272 → `return`. Single site, shared by all three nonzero-returning branches, anchor read live off `arg2->m_position` (post-move). `MoveOrTeleport` discards `SetPosition`'s error and returns 1 regardless, so **retail arms even when the placement failed** — confirmed. |
-| `ZeroVelocity` is local-player-only | ✓ `set_velocity(player_2, {0,0,0}, 1)` @0x004541B4 sits inside the `arg2 == this->player` + `newer_event(TELEPORT_TS)` branch. The remote branch writes no velocity at all. |
-
-### Contract errata (does not change any decision)
-
-**C1 (MINOR).** The contract's pseudo-C excerpt presents `return 0` @0x0051636D
-as the fallthrough of the `arg4` test. It is actually the else-label of an outer
-sequence gate at @0x00516364 (`if (-((eax_4 - eax_4)) == 0)` — a Binary-Ninja-
-mangled `POSITION_TS`/`update_times[4]` comparison that wraps the entire body).
-The `arg4 == 0` path does fall into the same label, so the behavioural reading
-("writes nothing, returns 0") is correct; the listing just implies a flatter
-control flow than the binary has. Worth correcting if the contract is reused.
-
-**C2 (MINOR, out of scope but noted).** `HandleReceivedPosition` runs
-`unset_parent(arg2)` @0x00454129 and `SetPlacementFrame` @0x00454142 (when
-`!HasAnims`) *before* `MoveOrTeleport`. The contract's "recorded-not-consumed"
-list (`UnparentBeforeRouting` / `ApplyPlacementFrameBeforeRouting`) is therefore
-accurate — retail really does perform both ahead of the teleport branch, and
-acdream still records-without-reading them. Correctly deferred, correctly stated.
-
----
-
-## Part 2 — answers to the four open questions routed to this review
-
-### Q1 — D1's evidence chain: **CONFIRMED. The plumbing is necessary, not churn.**
-
-Verified end to end in source, not inferred:
-
-- `RuntimeEntityObjectLifetime.TryApplyPosition` measures the pre-merge value at
- `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs:1723-1727`
- (`hadCanonical` / `beforeCell` / `wasCellless`) **before** calling
- `Entities.TryApplyPosition` at `:1728`.
-- The merge onto the canonical record happens later, at `:1786-1789`:
- `Entities.RefreshSnapshot(canonical, snapshot, refreshPosition: acceptedPosition)`.
-- `RuntimeEntityDirectory.RefreshSnapshot:238` → `record.RefreshDerivedState(refreshPosition)`.
-- `RuntimeEntityRecord.RefreshDerivedState:230-237` → `SetFullCell(position.LandblockId, …)`,
- and `SetFullCell:244-251` writes `FullCellId` outright.
-
-So after the merge `canonical.FullCellId` **is** the accepted wire cell, and the
-classifier — which the App calls after the merge and before the prologue
-rebucket (`LiveEntityNetworkUpdateController.cs:1832-1840`, ahead of
-`RebucketLiveEntity` at `:1865`) — was reading the wire cell through the
-route-1 `Build` overload. A wire cell of 0 is refused as `RejectedData` at
-`RuntimeAuthoritativePositionRouteClassifier.cs:321-322`, *before* the cell-less
-test at `:402-404`. **The shipped remote cell-less predicate was unreachable.**
-D1's characterisation is exactly right and the fix is correct: the pre-merge
-value is threaded on `AcceptedPhysicsTimestamps.PreMergeCommittedCellId` and
-consumed through a genuine overload (never a third copy), with `null` meaning
-"no opinion" rather than a fabricated 0.
-
-One consequence D1 did not name — see **R8** below.
-
-### Q2 — `report_collision_end(this, 1)` ↔ `ShadowObjects.Suspend`: **there IS an unported half.** See **R2**.
-
-### Q3 — the `_activePlacementOwners` deletion: **safe. Confirmed behaviour-preserving.**
-
-`IsPlacementActive` had four consumers (Hidden suspend, UnHide restore,
-`RestoreOrdinaryShadowInsideProjection`, `SuspendOrdinaryShadowOutsideProjection`).
-The set's only writers were `BeginAuthoritativePlacement` /
-`CompleteAuthoritativePlacement`, whose only production caller was the deleted
-`RemoteTeleportPlacementPresentation`. With the writers gone the set is
-permanently empty, so every consumer degenerates to the `false` branch — which
-is precisely what the diff hard-codes. No Hidden/UnHide or visibility-edge
-restore changes for non-teleport entities. `HasDeferredShadowRestore` and
-`_suspendedShadowOwners` are untouched.
-
-### Q4 — `RemoteTeleportSuffixIsQueuedBehindInitialAdmission`: **survives, correctly re-pointed.**
-
-It pins that a dormant initial-residence FIFO preserves teleport-sequence
-ordering (0,1,2) across continuations. The two `TeleportHookRequired` assertions
-were replaced with `Assert.Null(...PreMergeCommittedCellId)` on the same two
-continuations — a real assertion about the new field, not a tautology. But see
-**R8**: what that assertion *proves* is a behaviour change nobody recorded.
-
----
-
-## Part 3 — findings
-
-### R1 (MAJOR) — the D2 wire-airborne return-0 shape exists only on the player arm; the NPC arm still writes. AP-137 asserts otherwise.
-
-**Where:** `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2188-2211`
-(the player-remote D2 block) has no counterpart on the NPC arm. The NPC arm's
-only wire-airborne early return is `:2516-2523`, gated on
-`IsAirborneNoOperation(earlyRemoteRoute)`, which
-(`RuntimeRemoteSteadyStatePosition.cs:81-86`) matches **only** the
-`NoPositionOperation` disposition — never `null` and never `Rejected*`.
-
-**What happens instead.** An NPC remote with a `null` or `Rejected*`
-classification and a clear wire contact bit falls through `:2525-2543`, `:2560`,
-and reaches `ApplyRemoteContactRouting` at `:2600`, where:
-
-- body not in contact → `:1145-1148` writes `remote.Body.Position = worldPos;
- remote.Body.Orientation = rotation;` and returns `AirborneSnap`;
-- body in contact → `:1196-1203` `ApplyInterpolate` enqueues a waypoint, then
- `:2642` arms the leash.
-
-**Retail:** `MoveOrTeleport` @0x0051638E reads `arg4`, finds it 0, and falls to
-`return 0` — no body write, no queue write, and (because `ConstrainTo` sits
-inside `if (MoveOrTeleport(...) != 0)` @0x00454254) no leash arm. Retail makes
-**no player/NPC distinction anywhere in `MoveOrTeleport`**. The `null`
-classification is reachable for every remote through the whole login window
-(`ClassifyRemoteAcceptedPosition` returns null until `_playerController`
-exists), so this is not a corner.
-
-**Why MAJOR rather than "pre-existing".** The behaviour predates the slice, but
-two things make it a failure of *this* slice:
-
-1. D2 pinned the outcome — "unifies the player and NPC arms on one leftover-
- airborne behaviour" — and only half of it was implemented.
-2. The rewritten **AP-137 row now states as fact**: *"This deletes the legacy
- player-arm fallback's entity-revert quirk … and unifies player and NPC
- remotes on one behaviour."* That sentence is false against
- `docs/architecture/retail-divergence-register.md` line 287's own code. A
- register row that describes behaviour the code does not have is worse than no
- row: it is the thing that stops the next reader from finding the divergence.
-
-**Correct behaviour:** give the NPC arm the same early return the player arm
-now has — AP-135's two bookkeeping writes, then `return` — gated on the same
-predicate (classification is `null`/`Rejected*` **and** `!update.IsGrounded`).
-Or, if the intent is to keep the NPC snap deliberately, rewrite the AP-137
-sentence to say so and give the asymmetry its own row.
-
-**Test gap that let it through:** contract test-plan item 10 ("D2's leftover-
-airborne shape: wire-airborne null-classified packet writes exactly AP-135's two
-fields and nothing else") was not written for either arm, and item 11 (AP-135
-preservation on **both** airborne no-op paths) was not written either. The D4
-partition test that *was* written
-(`RuntimeRemoteSteadyStatePositionTests.TryArmConstraintAfterOperation_MatchesTheCompletePartition`)
-asserts the Runtime helper's arm→bool mapping, which is correct, but the
-partition table's two "no arm" rows for the *wire-airborne leftover* case are a
-property of the **caller returning early** — and that property is only true on
-the player arm. The test cannot see the gap.
-
----
-
-### R2 (MAJOR) — `report_collision_end(this, 1)` is mismapped; the faithful port exists in-tree and is not called.
-
-**Where:** `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:254` —
-`ReportCollisionEnd: () => _physicsEngine.ShadowObjects.Suspend(localEntityId)`.
-
-**Retail @0x00514F31 → @0x00514620.** `report_collision_end(this, arg2)` walks
-`this->collision_table`. With `arg2 != 0` the staleness/still-touching tests are
-bypassed (`@0x005146F3`, `@0x005146E7` both `goto label_514706`), so **every**
-record is deleted and each is passed to `report_object_collision_end`
-@0x00510A90, which fires `weenie_obj->DoCollisionEnd(partnerId)` on this object
-(gated on `this->state & 8` = REPORT_COLLISIONS) **and**
-`DoCollisionEnd(this->id)` on the partner (gated on the partner's own 0x8, and
-skipped wholesale when the partner carries `state & 0x200000`). It is a
-**force-end-all with bidirectional notification**.
-
-**What acdream substitutes.** `ShadowObjectRegistry.Suspend`
-(`src/AcDream.Core/Physics/ShadowObjectRegistry.cs:1480-1499`) removes the
-entity from every cell collision list while retaining its registration. That
-method's *own doc comment* says what it is: *"the registry counterpart of retail
-`CPhysicsObj::remove_shadows_from_cells`"* — a **different retail function**,
-which `teleport_hook` does not call. (Retail's shadow removal for a teleport
-happens later and internally, inside `SetPositionInternal`.)
-
-**The faithful port already exists.** `RuntimeCollisionReportingState`
-(`src/AcDream.Runtime/Physics/RuntimeCollisionReportingState.cs`) is an explicit
-port of `CPhysicsObj::collision_table` and publishes bidirectional
-`ObjectCollisionEnd` with the same `ReportCollisions` gates on both sides
-(`PublishResolvedObjectEnd:1225-1270`). It has a private `ForceEnd(record, key)`
-(`:1435-1450`) that is exactly `report_collision_end(this, 1)` — reached today
-only from the destruction / leave-world / batch-retirement edges (`:547`,
-`:881`, `:913`, `:943`). **The teleport hook does not reach it.**
-
-The canonical placement does *not* cover the gap: the SetPosition batch dispatch
-runs `EndExpiredObjectCollisions(..., force: false, ...)` (`:493-500`), which is
-retail's *other* call — `handle_all_collisions` → `report_collision_end(this, 0)`
-@0x005147F0. Retail runs **both**: force-end-all in the hook, then the ordinary
-non-forcing pass inside the placement.
-
-**Observable delta.** After a remote teleports away, any object still holding a
-`CollisionRecord` against it keeps it until the ordinary ~1 s staleness pass, and
-neither side receives the immediate `ObjectCollisionEnd` retail fires. Retail
-ends it on the spot, on both sides.
-
-**Added-divergence half.** Conversely, suspending the shadow at hook time is
-something retail does *not* do there: between the hook and the placement — and,
-on any non-commit outcome, until the next `SyncRemoteShadowToBody` — the remote
-is non-collidable. The window is bounded (the placement's
-`Register`/`RefreshPositionRows` both clear `_suspendedEntities`, and the DR
-tick's `ShouldSynchronizeShadow` re-syncs on the next pose delta), so this is a
-frames-scale residual rather than the #184 permanent class — but it is real, and
-it is not what retail does at this call site.
-
-**Contract compliance:** the contract's open question 2 required the reviewer to
-"confirm … **or file the delta on the AP-137 successor row**." The delta is real
-and the row does not mention `report_collision_end`, `ShadowObjects.Suspend`, or
-the notification half. No row anywhere in the register covers it.
-
-**Correct behaviour:** route the hook's sixth action at a
-`RuntimeCollisionReportingState` force-end entry point (the analogue of
-`ForceEnd`), and drop or separately justify the shadow suspension. If the
-force-end is deliberately deferred, it needs its own register row naming
-@0x00514F31 and @0x00514620.
-
----
-
-### R3 (MAJOR) — a teleported NPC now plans a `RunForward` cycle from a teleport-distance-derived velocity.
-
-**Where:** `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2525-2543`
-then `:2684-2709`.
-
-**Newly reachable.** In the pre-slice tree the shared `if (remotePlacementRequired)`
-block (`HEAD:1958`) sat **above** the NPC path and returned on every branch, so a
-teleport packet never reached the NPC synth-velocity code. This slice deletes
-that block, and a teleport-classified NPC packet now flows straight through it.
-
-**What it does.** `serverVelocity` is `update.Velocity`; when ACE omits velocity
-(the ordinary `UpdatePosition` case) `:2530-2532` synthesises
-`(worldPos − rmState.LastServerPos) / elapsed` — across the **whole teleport
-distance**, over one packet interval. `:2536-2537` installs it. At `:2704`
-`RemoteServerControlledVelocityCycle.Apply` then calls
-`ServerControlledLocomotion.PlanFromVelocity`
-(`src/AcDream.Core/Physics/ServerControlledLocomotion.cs:40-62`), which returns
-`MotionCommand.RunForward` for anything above `RunThreshold`, and
-`ae.Sequencer.SetCycle(style, RunForward, …)` fires. None of the guards block it:
-`rm.Airborne` is false at a walkable destination; `rm.MoveTo` was just
-invalidated by the hook's own `CancelMoveTo`; a standing NPC's `Ready` passes
-`CanApplyVelocityCycle`. `SpeedMod` is clamped, the motion is not.
-
-The cycle persists until the next packet or the 0.6 s
-`ServerControlledVelocityStaleSeconds` pass in `RuntimeRemotePhysicsUpdater.cs:198-208`.
-
-**Retail.** The teleport branch writes no velocity at all (contract invariant 6,
-verified above), and `teleport_hook`'s first action cancels the moveto. A retail
-observer sees the creature appear at the destination and stand. acdream will
-show it sprinting in place.
-
-**Impact is animation-only** — `ServerVelocity` drives cycle selection, not
-translation (`RuntimeRemotePhysicsUpdater.cs:188-193`) — so this is not a
-body-motion defect. But "stands with correct animation" is a literal line in the
-contract's own two-client gate recipe, so the gate is expected to catch it if it
-is run against an NPC. It will **not** be caught against a player remote:
-`RemoteServerControlledVelocityCycle.Apply:27-49` returns early for player GUIDs.
-
-**Correct behaviour:** the teleport arm must not leave a teleport-derived
-`ServerVelocity` installed. The narrow fix is to skip the synth (and the cycle
-apply) for a teleport-classified packet, which is also what invariant 6's "the
-teleport arm must not add a velocity write" was reaching for; the register row
-for the AP-80 velocity-cycle adaptation should name the exclusion.
-
----
-
-### R4 (MINOR) — stale comment: the prologue rebucket no longer feeds the classifier's `CommittedCellId`.
-
-`LiveEntityNetworkUpdateController.cs:1848-1853` still reads: *"it is the only
-site that moves an ordinary moving remote's draw bucket, **commits its canonical
-FullCellId (which feeds back as the classifier's own CommittedCellId** and as the
-ConstraintDistance cell key)…"*. After D1 the remote classifier's
-`CommittedCellId` is the **pre-merge** value threaded on
-`AcceptedPhysicsTimestamps`, never the rebucket's commit. The comment sits four
-lines below the classification call the slice rewrote and directly contradicts
-the fix; a reader who believes it would "simplify" D1 away. Correct it in the
-same commit (process rule 6). The ConstraintDistance half is still true.
-
-### R5 (MINOR) — the architecture docs still describe the deleted classes as live.
-
-`docs/architecture/acdream-architecture.md:314, 316, 469-471` and
-`docs/architecture/code-structure.md:265, 267, 420-423` document
-`RemoteTeleportController` / `RemoteTeleportPlacement` as the live remote
-placement owners. CLAUDE.md: *"When the architecture doc and reality diverge,
-update one or the other — never leave them out of sync."* The deletion inventory
-covered every `.cs` wiring site but not these two docs.
-
-### R6 (MINOR) — the `[remote-teleport]` probe can report `hookRan=True` for a hook that did nothing.
-
-`RunRemoteTeleportHook` (`LiveEntityNetworkUpdateController.cs:234-256`)
-re-resolves the `RemoteMotion` and `EntityPhysicsHost` **by GUID**, rather than
-using the `rmState` the arm already holds and hands to
-`ApplyAcceptedRemoteTeleport`. Every action is `remote?.` / `host?.`, so on a
-null lookup all six silently no-op and `RemoteTeleportHook.Execute` still
-returns `true` — and `PhysicsDiagnostics.LogRemoteTeleport` prints
-`hookRan=True`. Since the probe exists specifically to satisfy process rule 5
-("a clean-looking live session is not a passed gate"), a probe that cannot
-distinguish "ran" from "no-opped" undercuts the gate it was added for. Passing
-`rmState` through (it is in scope at all three call sites) removes both the
-mismatch risk and the false-positive.
-
-### R7 (MINOR) — `hookRan` is consumed only by the probe. Correct, but say so.
-
-`ApplyRemoteContactRouting:183` captures the hook's currency result and the
-routing proceeds regardless. That **is** retail-faithful — retail has no
-currency concept and runs the hook before knowing the placement outcome — but
-the code reads as if a `false` were being dropped on the floor. One line of
-comment naming @0x005163EF's unconditional ordering would close it.
-
-### R8 (MINOR) — D1's null-widening has a second, undocumented producer.
-
-The AP-137 rewrite names exactly one new null-producing reason: *"the merge
-observed no PRIOR canonical record for this entity."* There is a second: the
-**dormant initial-residence enqueue path**. `TryApplyPosition` returns at
-`RuntimeEntityObjectLifetime.cs:1705-1721` (`EnqueueDormant`) **before** the
-`:1767-1770` `PreMergeCommittedCellId` write, so those timestamps carry `null` —
-which the diff's own changed assertion in
-`RuntimeInitialCreateResidenceStateTests` (`Assert.Null(...PreMergeCommittedCellId)`)
-now pins. A `TELEPORT_TS`-advancing packet on that path previously classified
-`SetPosition` (via `TeleportAdvanced`, which is unaffected by the cell input) and
-now classifies **null** → `UnroutedCatchUp`. I could not determine from static
-reading whether the App's `OnPosition` reaches `ClassifyRemoteAcceptedPosition`
-for an enqueued packet — **flagging as unverified rather than guessing**. Either
-way the AP-137 row should name the producer the test now pins.
-
-### R9 (MINOR) — the D2 block's "AP-135's two writes" are the packet's second copy.
-
-`LiveEntityNetworkUpdateController.cs:2206-2209` writes `LastServerPos` /
-`LastServerPosTime`, but `:2106-2107` already wrote both unconditionally for this
-packet (and `rmState.CellId` at `:2076`), with a second `DateTime.UtcNow` read
-producing a slightly later timestamp. Harmless, but the block's comment reads as
-though these are the AP-135 writes being preserved, when the preservation
-actually happened 100 lines earlier. Contract invariant 8 is satisfied on both
-arms (player: `:2076` + `:2106-2107`; NPC: `:2519-2521`) — this is a clarity
-issue, not a correctness one.
-
----
-
-## Part 4 — what the diff gets right (verified, not assumed)
-
-Recorded so a fix round does not disturb it:
-
-- **D1 plumbing.** Pre-merge cell measured by the same `TryApplyPosition` call
- that merged the packet, never re-read; `null` propagated honestly through both
- `TryBuild` and `Build`; route-1 semantics untouched (the old overload still
- passes `canonical.FullCellId`, `RuntimeAcceptedPositionRouteRequests.cs:38-54`).
- The discriminating test pair (`CellLessRecord_…` /
- `CompanionTest_NonzeroPreMergeCellWithNoTeleportAdvance_…`) genuinely
- distinguishes the fix from the shipped dead predicate.
-- **D3 hook.** `RemoteTeleportHook.Execute` preserves retail's six actions in
- retail's order with a currency re-check between each; `WeenieError.ITeleported`
- is 0x3C; `EntityPhysicsHost.NotifyTeleported` is the correct one-to-one for the
- `ClearTarget` + `NotifyVoyeurOfEvent` pair under retail's single guard.
-- **D4 single arming site.** The legacy pre-operation call is gone; the
- post-operation site is the only one, matching @0x00454272. Dropping the
- `ConstrainAfterRouting` route-flag check is behaviour-preserving —
- `Interpolate` and `SetPositionSimple` both carry
- `ConstrainPhase.AfterPositionOperation`
- (`RuntimeAuthoritativePositionRouteClassifier.cs:473`), and
- `NoPositionOperation`'s `None` is already excluded by the arm mapping. Keying
- on the **routing outcome** rather than the raw classification is the right
- call: it is the only input that separates a grounded `UnroutedCatchUp` (arms,
- retail's nonzero analogue) from `AirborneSnap` (does not).
-- **D5 ordering.** The teleport dispatch is the first thing
- `ApplyRemoteContactRouting` does, ahead of the `!remote.Body.InContact`
- carve-out; on the player arm it precedes both the wire-airborne block and the
- landing block; on the NPC arm the sticky gate is widened
- (`!snapSuppressedByStick || isTeleportRoute`) rather than duplicated. All three
- match "decided before `arg4`". `UnStick` being the hook's second action is the
- right justification for the sticky widening.
-- **D6/D7.** `TryApplyGenericRemoteRenderPose` gate unchanged and now stated;
- `TryAdoptWireCellAfterRouting` suppression widened to the teleport arm; the
- re-entrancy guard covers both placement arms and sits **before** the arming on
- both, preserving the R5 invariant.
-- **Invariant 1.** `ApplyAcceptedRemoteTeleport` reuses the far arm's
- `StoresAcceptedDestination` partition and `StoreAcceptedDestinationPose`
- unchanged — the partition was not re-litigated.
-- **Invariant 2.** Both teleport tails sync the render entity from the resolved
- body and publish the shadow (`:2171-2184` player, `:2719-2732` NPC). The
- placement writes the resolved cell back through
- `RuntimeSetPositionState.cs:5013` (`remote.CellId = result.CellId`), so
- `entity.ParentCellId` really is the resolved cell.
-- **Invariant 4.** The classifier's teleport branch carries
- `StopInterpolating: false` deliberately; the queue clear comes from the hook's
- `Interp.Clear()`, matching @0x00514EFD.
-- **Invariant 10.** No new production caller for `TickLostCellDeadlines` /
- `TryDequeueExpiredLostCell`; `ArmLostFamilyDeadlines` keeps its single
- pre-existing `ParkDeferred` call.
-- **Register bookkeeping.** AP-137 rewritten in place rather than deleted
- (correct — the contract overrides the handoff here); AD-42's dead citation
- removed; AP-136 and AP-138 updated to the two surviving non-Position rebucket
- writers; AP-138's Risk column gains the teleport arm; AP-135 untouched. All
- correct **except** the false sentence named in R1.
-
----
-
-## Part 5 — gate evidence not present
-
-Stated, not held against the verdict:
-
-- The complete Release suite figure the contract's Gates section requires
- ("measure and record the new figure; do not inherit 11,027") is not recorded —
- the change is uncommitted and there is no commit message. I ran the build and a
- focused filter only.
-- The two-client connected teleport gate is user-run and cannot be evidenced by a
- reviewer. Note that per R3 an **NPC** target is the discriminating case: a
- player-remote teleport will not exercise the velocity-cycle path at all.
-- Contract test-plan items 10 (D2 shape) and 11 (AP-135 preservation on both
- airborne no-op paths) have no corresponding test in the diff. Item 10's absence
- is what left R1 invisible.
-
----
-
-## Recommended fix order
-
-1. **R1** — give the NPC arm the same D2 return-0 shape, and make the AP-137
- sentence true (or split the asymmetry into its own row). Add contract test 10
- for **both** arms.
-2. **R2** — route the hook's sixth action at the collision-reporting force-end,
- or file the delta on AP-137 with the @0x00514F31/@0x00514620 citations.
-3. **R3** — exclude a teleport-classified packet from the NPC synth-velocity
- install and the cycle apply; note the exclusion on the AP-80 row.
-4. **R4/R5** — the two stale-documentation fixes, same commit.
-5. **R6-R9** — clarity and probe-honesty, at the implementer's discretion.
diff --git a/docs/research/2026-08-04-c4-route-4b-scoping-and-split.md b/docs/research/2026-08-04-c4-route-4b-scoping-and-split.md
deleted file mode 100644
index 773fb7b7..00000000
--- a/docs/research/2026-08-04-c4-route-4b-scoping-and-split.md
+++ /dev/null
@@ -1,154 +0,0 @@
-# C4 route 4b — scoping, a three-way split, and two doc corrections (2026-08-04)
-
-Scoped at HEAD `44830a0e` (route 4a landed). **4b is 4-6x route 4a and must be
-split again.** This also corrects two errors in documents I wrote yesterday.
-
-## Correction 1 — the plan is wrong about AP-135
-
-`docs/plans/2026-08-02-placement-cutover.md` says AP-135 *"retires with 4b's
-transition machinery, not before."* **That is wrong.**
-
-AP-135's own retirement condition is *"retire together with the free-fall sweep
-gate, when the remote arc is resolved by the same transition machinery the local
-player uses"* — that gate is `RuntimeRemotePhysicsUpdater.cs:342`, which 4b does
-not touch. Worse, AP-135's sites are the **airborne no-op** branches, which are
-**4a-owned dispositions**, not 4b's. 4b owns far-snap, teleport and cell-less.
-
-**AP-135 stays open after 4b.** The trap is real: its two writes sit physically
-inside `OnPosition`, which 4b rewrites heavily, so an implementer will assume
-they go. The contract must say they do not.
-
-## Correction 2 — retail has ONE `ConstrainTo` on the remote arm, not two
-
-My route-4 scoping described the third divergence as retail *"re-arming after
-`teleport_hook`'s `UnConstrain`"*, implying a distinct remote-teleport site.
-There is none. Retail has exactly one: `ConstrainTo` @0x00454272, and **all
-three** nonzero-returning `MoveOrTeleport` branches — teleport
-(returns 1 @0x00516438), near-interpolate (@0x005163BE), far-snap (@0x005163E8)
-— funnel through it.
-
-Consequence for the contract: **4b must not add a second arming site.** The
-single post-operation arm 4a introduced becomes the ONLY arm, with
-`remotePlacementRequired` folded into it rather than returning ahead of it.
-
-The behaviour claim still stands: today a remote hard-teleport arms the leash
-nowhere, because the `remotePlacementRequired` block returns before every arming
-site while `RemoteTeleportHook` has already called `UnConstrain`. Severity is
-narrow — the next Position re-arms ~100-200 ms later — except for a remote that
-teleports and then stands still, since ACE stops broadcasting for a stationary
-entity.
-
-## The new failure mode 4b must not create
-
-**A Runtime `DeferredCell` park WITHDRAWS the entity from the world.**
-`ParkDeferred` sets `body.InWorld = false`, clears `Active`, suspends the object
-clock, calls `WithdrawCanonical`, and publishes a `Withdraw`.
-
-`Forget`-on-every-accepted-Position then kills the park **without restoring
-any of it**. `CancelCoreDeferred` removes the operation and rewrites the
-`Withdraw` into a `Discard`; it does not set `InWorld` back, resume the clock,
-or re-enter residency.
-
-So: packet N parks E (now invisible AND intangible). Packet N+1 ~150 ms later
-Forgets the park. **If N+1 classifies `Interpolate` — near, in contact,
-committed cell — no placement runs and E stays withdrawn indefinitely.** The
-sequence "remote appears beyond 96 m, walks toward you, crosses inside 96 m"
-produces it. That is the #184 class through a third door, and it is worse than
-#184 because the entity is intangible too.
-
-**Required direction: refuse rather than park.** A remote whose destination is
-not placeable keeps its last committed pose and waits for the next packet — the
-next packet IS the retry, because remote Positions are a 5-10 Hz stream. That is
-retail-shaped (retail's world is fully resident; "arrived but not placeable" is
-unrepresentable) and avoids withdrawal-restore surgery inside a 5,652-line class.
-
-**Do NOT port route 2's re-issue funnel.** It exists because a ForcePosition is
-a one-shot correction ACE never repeats. Re-issuing remote packet N after N+1
-has merged would apply a pose the newer packet already superseded — the same
-class of route-2-to-4a transfer error that cost a review round, in reverse.
-
-**Do NOT port the ack machinery.** Retail's remote arm has no
-`SendPositionEvent`; the whole `PositionEventOwed` apparatus has no analogue.
-
-## Two traps that will bite an implementer
-
-**T1 — `remotePlacementRequired` and the classifier's `cellless` are different
-predicates.** `remotePlacementRequired` derives from `wasCellless` measured
-BEFORE the merge, plus `projectionRequiresTeleportHook` — which on the graphical
-host includes `!IsSpatiallyVisible`, so **it fires for every remote that is not
-currently visible**, a routine hot path rather than a teleport rarity. The
-classifier's `cellless` reads `FullCellId` AFTER the merge. They disagree in
-both directions. Reconciling them is a design decision, not a rename.
-
-**T2 — deleting the legacy near/far blocks removes the only handler for `null`
-and `Rejected*`.** `ClassifyRemoteAcceptedPosition` returns null whenever
-`_playerController` is null — **which during the login window is every remote
-packet.** Today those fall into the legacy blocks and hard-snap. Delete the
-blocks without a replacement and remotes will not move at all until the local
-controller exists. Retail has no analogue; this needs a stated acdream policy.
-
-## The split
-
-Estimate: **1,300-2,200 non-comment production lines, centred ~1,700**, plus
-~2,500-3,500 lines of test work. That is 4-6x route 4a and ~2x route 2 — the two
-largest landings in this campaign, which took 4 and 5 review rounds.
-
-- **4b-1 — infrastructure, no remote behaviour change (~700-1,000 lines).**
- The per-entity remote placement owner (route 2's controller minus the ack and
- re-issue funnel, plus an N-way pending map and ledger); the service-window
- guard (Runtime interface + a graphical implementation over
- `GpuWorldState`/`StreamingController`, which does not exist today); the
- refuse-rather-than-park policy; N3's headless `RetryPending` pump; and the
- `report.json` parked-count wiring #277 asks for. **No production caller, or
- called for zero classifications.** Gate: focused Runtime tests, Release suite,
- existing connected routes unchanged, and a proof that
- `ParkCollisionResidents`'s overlap throw is unreachable.
- *This is where the park semantics get decided and reviewed on their own,
- without a behaviour change confusing the signal.*
-- **4b-2 — the far branch only (~350-500 lines).** `SetPositionSimple`,
- `PlayerDistance >= 96 m`. Deletes both duplicated `96f`/`4f` constant pairs and
- both fabricated `Vector3.Zero` reads. Trivially observable.
-- **4b-3 — teleport and cell-less (~400-700 lines).** Deletes
- `RemoteTeleportController` (605), `RemoteTeleportPlacement` (85),
- `RemoteShadowPlacementSynchronizer` (49) and 7 wiring sites, plus 1,709 lines
- of their tests. Largest blast radius; needs the two-client teleport gate.
-
-If the campaign will not tolerate three landings, merge 4b-2 into 4b-3 — but
-**keep 4b-1 separate.** It is where the invisible-remote failure decides, and it
-must not be reviewed at the same time as a 700-line deletion.
-
-## What 4b does NOT do
-
-- **AP-131 is not retired.** Its site is one shared merge call serving every
- entity kind; threading classified flags there necessarily changes the local
- player's ordinary Apply, which no route owns. Stays for C5.
-- **AP-135 is not retired.** Correction 1.
-- **#276 is not closed.** 4b retires its remote-placement half by construction
- (the canonical transaction owns cell and contact together), but
- `SeedRemoteSpawnPlacement` is not classification-gated and still fires under
- `Interpolate`, and the AD-61 local-player settle is untouched. Narrow its
- scope; do not pin it closed.
-
-## Two collateral hazards
-
-- **`ParkCollisionResidents` throws on overlap** — for every spatial root in a
- retiring landblock prefix holding an active operation. With N remotes holding
- operations, an ordinary streaming retirement becomes session-fatal. Unreachable
- today only because steady-state remotes hold no operations. Any 4b design must
- prove it stays unreachable.
-- **Lost-cell deadlines leak their family.** `ArmLostFamilyDeadlines` arms root +
- equipped children; the cancel path clears the root only, and no caller passes
- `cancelLostFamily: true`. Inert today because the reaper has no production
- caller — do not let 4b be the commit that makes it live.
-
-## Undetermined — flagged, not guessed
-
-1. Whether `GpuWorldState.IsNearTier` residency is exactly co-extensive with
- collision publication (gating sites are consistent; the retirement side is
- unverified).
-2. Whether `EntityPhysicsHost.NotifyTeleported()` covers retail's
- `TargetManager::ClearTarget` @0x00514F1B.
-3. Whether the merge can zero a previously-nonzero `FullCellId`, which decides
- whether classifier-`cellless` is a strict subset of `remotePlacementRequired`.
-4. Allocation cost of the current legacy far/teleport path — no gate covers
- `PhysicsEngine.SetPosition`.
diff --git a/docs/research/2026-08-04-c4-route-5-architecture-review-round2.md b/docs/research/2026-08-04-c4-route-5-architecture-review-round2.md
deleted file mode 100644
index 47524feb..00000000
--- a/docs/research/2026-08-04-c4-route-5-architecture-review-round2.md
+++ /dev/null
@@ -1,338 +0,0 @@
-# C4 route 5 — architecture / adversarial DELTA review, round 2 (2026-08-04)
-
-**Verdict: FAIL.** Three findings: two MAJOR, one MAJOR-coverage. Both MAJORs
-are narrow and cheap to close (one expression, one call, one assertion, one
-test), and one of them (**B2**) is a **new defect introduced by the fix
-round**, in the same class as the finding it was fixing.
-
-Round 1 raised 5 MAJOR + 6 MINOR. Eight are closed well, one is closed for the
-teleport half only (**B1**), one is closed but with a regression attached
-(**B2**), one is declined acceptably (A11). Detailed disposition in §3.
-
-Scope: the uncommitted working tree, 1,626 insertions / 398 deletions across 10
-files, against HEAD `30d3d114`. Independent gates run for this review: Release
-build green (0 warnings / 0 errors); focused Runtime suites 59/59; focused App
-suites (`ProjectileControllerTests` + `LiveEntityNetworkOnPositionCollapseMatrixTests`)
-64/64. A green suite is not evidence — every claim below is traced to source.
-
----
-
-## 1. New MAJOR findings
-
-### B1 — A3's fix covers only the teleport branch; the adopted-body FAR snap still leaves the interpolation queue armed, and AP-141 now asserts the opposite as retail-faithful
-
-**Severity: MAJOR (half-closed fix + a register row asserting behaviour the code
-does not have — the defect class the contract lists by name).**
-
-`LiveEntityNetworkUpdateController.cs:2151-2159` runs the six-action hook only
-on `SetPosition`:
-
-```csharp
-if (route.Disposition
- is RuntimeAuthoritativePositionDisposition.SetPosition
- && acceptedPositionCanonical.RemoteMotion is RemoteMotion adoptedRemote)
-{
- RunRemoteTeleportHook(...);
-}
-```
-
-Retail's far branch is not covered by `teleport_hook` — it has its own
-`StopInterpolating`, guarded on `position_manager != 0`
-(@0x005163C9-@0x005163CB), and the remote far arm ports it exactly
-(`ApplyAcceptedRemoteFarSnap`: `if (route.StopInterpolating) remote.Interp.Clear();`).
-The projectile far arm ports nothing.
-
-For the **adopted-body** shape — the one A3/R2 established as real and which
-this round now has a passing test for
-(`MissileAdoptedBody_TeleportCommit_UnConstrainsAndClearsInterpQueue`) — the
-missile **does** have a `PositionManager` and a populated `Interp` queue, so
-retail's guard passes and retail would clear it.
-
-Concrete scenario: an ordinary remote with a live `Interp` queue gets the
-Missile bit from a State packet; `TryBind`'s shared-body branch adopts the same
-body; the next accepted Position classifies **far** (>=96 m), not teleport. The
-projectile arm places the body at the destination and returns. The surviving
-`RemoteMotion` is still in `_spatialRemotes` with a stale waypoint, and the
-remote stepper drags the freshly-placed missile back toward it — the exact
-symptom A3 described, on the branch the fix did not reach. The
-`MissileAdoptedBody_…` test uses `teleportSequence: 5` (teleport); there is no
-adopted-body far test.
-
-Compounding this, **AP-141 (`docs/architecture/retail-divergence-register.md`)
-now asserts the false justification unconditionally**:
-
-> "The far branch's `StopInterpolating` skip is NOT part of this divergence —
-> retail's own `position_manager != 0` guard @0x005163C9 already skips it for a
-> never-interpolated missile, so acdream's identical skip is retail-faithful by
-> consequence."
-
-That justification is conditioned on "a never-interpolated missile", which the
-adopted-body case is not. The row therefore claims retail-faithfulness for a
-shape where the code is not retail-faithful. This is the recurring class the
-route-5 contract names in its predecessor list ("a register row asserting
-behaviour the code does not have") and which AP-136 was previously amended for.
-
-**Fix direction:** on the `SetPositionSimple` arm, when
-`record.RemoteMotion is RemoteMotion adopted && route.StopInterpolating`, clear
-`adopted.Interp` before the placement — mirroring `ApplyAcceptedRemoteFarSnap`'s
-one line and retail's own ordering (@0x005163CB before @0x005163D9). Then narrow
-AP-141's far-branch sentence to the bare-missile case it is actually true of.
-Add the adopted-body far test alongside the teleport one.
-
----
-
-### B2 — R6 traded A1's wrong-cell symptom for a new one: on every STORED outcome the render entity is now positioned at the destination but parented to the cell it left
-
-**Severity: MAJOR (regression introduced by this fix round).**
-
-`ProjectileController.SyncPresentationFromResolvedBody:530` changed from
-`record.FullCellId` to:
-
-```csharp
-entity.ParentCellId = runtime.Body.CellPosition.ObjCellId;
-```
-
-Trace the three outcome classes:
-
-| outcome | `body.Position` after | `body.CellPosition.ObjCellId` | `record.FullCellId` |
-|---|---|---|---|
-| Committed | resolved destination | result cell (`SnapToCell`) | result cell (`CommitCanonical`'s `SetFullCell`) |
-| Stored (`Refused`/`Contention`/`RejectedPreparation`/`NotApplicable`) | **accepted destination, resolved in the WIRE cell's frame** | **source cell — `StoreAcceptedDestinationPose` never writes the cell** | **wire cell — the merge's `RefreshDerivedState` → `SetFullCell`** |
-| `Deferred`/`RejectedByPlacement` | ack does not run (A1 gate) | — | — |
-
-On a committed outcome the two sources are identical, so R6 is a no-op there —
-and `MissileTeleportCommit_…` asserts both, confirming the equality rather than
-discriminating between the sources.
-
-On a **stored** outcome they diverge, and R6 picked the wrong one.
-`StoreAcceptedDestinationPose:1123-1132` computes
-`accepted.PositionX + worldOffset(accepted.LandblockId)` — the world point of
-the **wire** cell-local coordinates — and `record.FullCellId` is that same wire
-cell. So `record.FullCellId` is the cell the stored position belongs to;
-`body.CellPosition.ObjCellId` is the cell the body **left**.
-
-The inconsistency is visible *inside this fix round*: on the same stored packet,
-Runtime's own `SyncProjectilePresentation:1043-1051` publishes the shadow row
-with `record.FullCellId` (wire cell) paired with the new position, while App
-publishes the render entity with the **source** cell paired with the same new
-position. Two presentation surfaces, two different cells, one body.
-
-Concrete failure: a missile crosses a landblock boundary at the streaming edge;
-the destination landblock is not yet in the collision service window, so
-`CanAttemptDestination` refuses. The body stores to the destination. The render
-entity is placed there but `entity.ParentCellId` is the source cell —
-and `ParentCellId` is precisely what
-`RetailPViewRenderer.cs:925/945` uses for the indoor/outdoor stage split and
-`viewcone.SphereVisibleInCell(e.ParentCellId!.Value, …)`. The arrow is
-visibility-tested against a cell it is no longer in: culled, or drawn in the
-wrong stage.
-
-The R6 doc comment's own retail citation argues against its choice — it states
-that retail's `store_position` @0x00515CE2 "writes the object's whole
-`Position` **including `objcell_id`**". If retail's store wrote the cell, the
-body's cell after a store *would be* the wire cell; `record.FullCellId` is the
-faithful stand-in for that, and the body's stale cell is the acdream residual
-(AP-138), not the truth.
-
-**Fix direction:** revert `ParentCellId` to `record.FullCellId` (round 1's
-value) and keep the A1 status gate, which is what actually fixed the no-op
-case. That pairing is correct on all three outcome classes and agrees with
-Runtime's own shadow publication. If the body's stale cell is considered the
-truth, then `StoreAcceptedDestinationPose` must write the cell too — but that is
-AP-138 scope and would change the remote arms as well.
-
----
-
-### B3 — the one branch where `SyncProjectilePresentation` is the sole writer — spatial+visible on the STORE path — is still unasserted at both layers, and it is exactly where B2 and the surviving A1 sabotage hide
-
-**Severity: MAJOR (coverage; one assertion + one test wide).**
-
-I independently reproduced the implementer's "2 of 5" trace and confirm it:
-
-| new test | discriminates a gutted `SyncProjectilePresentation`? | why |
-|---|---|---|
-| `TeleportCommit_…ForceEndsCollision…` (shadow assertion) | **No** | the shared pipeline's `ShadowObjects.CommitSetPosition` publishes the same row |
-| `FarCommit_…` (shadow assertion) | **No** | same |
-| `TeleportCommit_ReenteringWorldReactivatesBody` | **No** | `RuntimeSetPositionState.cs:2983-2985` sets `EnteringWorldFromCelllessResidence \|= !body.InWorld \|\| FullCellId == 0` at **prepare** time (before `SnapToCell`), and `:4979-4984` then sets `Active` + `LastUpdateTime` itself |
-| `TeleportCommit_HiddenSuspendsShadowStaysInWorld` | **Yes** | nothing else suspends on Hidden |
-| `Refused_NonSpatialDeactivatesAndSuspends` | **Yes** | the Refused path never reaches the engine |
-
-The implementer's trace is accurate and was reported honestly. But the table
-also shows *why* only 2 discriminate: on the committed path the shared pipeline
-independently produces the same observable, so `SyncProjectilePresentation`'s
-spatial+visible branch is only load-bearing on the **store** path — and no test
-asserts it there. `Refused_StillAdvancesPoseNoParkPredictionInvalidated` is
-spatial+visible+Refused and asserts `body.Position`, prediction,
-`body.InWorld` (vacuous — `AttachBody`'s `SnapToCell` already set it) and
-`ObjectClock.IsActive`, but **not the shadow row**.
-
-The same hole exists at the App layer: the collapse matrix now has teleport
-commit, far commit, near no-op, airborne no-op, null classification, unbound
-fall-through, and adopted-body teleport — but **no store/refused scenario**.
-That is why the reported A1 sabotage survived: with R6 reading the body's own
-cell, an unconditional ack on a *no-op* outcome writes nothing observable
-(position and cell both unchanged), so the gate is invisible on the no-op path.
-It is visible on the **store** path — which is untested.
-
-Both gaps are cheap:
-
-- **Runtime**: add `Assert.Equal(body.Position, shadowEntry.Position)` (using
- the file's existing `AllEntriesForDebug` pattern) to
- `Refused_StillAdvancesPoseNoParkPredictionInvalidated`. Gutting the sync then
- leaves the shadow at the spawn pose and the test fails.
-- **App**: add a `MissileFarRefused_…` scenario to the collapse matrix. The
- fixture already supports it with **no new machinery** — `PublishDestinationCollision()`
- and `ServiceWindow.Allow(DestinationLandblock)` are separate opt-in calls, so
- simply omitting `Allow` yields `Refused` from `CanAttemptDestination`. Assert
- `entity.Position == body.Position` **and** `entity.ParentCellId` against the
- wire cell. That single test catches B2 and gives the A1 gate a discriminating
- home.
-
----
-
-## 2. New MINOR findings
-
-### B4 — the App hook call allocates a per-packet closure, contradicting its own #315-pattern claim
-
-`LiveEntityNetworkUpdateController.cs:2155-2158` passes
-`() => _liveEntities.IsCurrentPositionAuthority(acceptedPositionRecord, acceptedPositionAuthorityVersion)` —
-a fresh display class + delegate on every teleport-classified adopted-body
-missile packet. The comment immediately above claims it uses "the SAME ordered
-hook seam and per-packet currency check the remote teleport arm already uses
-(`RunRemoteTeleportHook`, **#315 pattern**)". The remote arm's #315 pattern is
-precisely the opposite: `_remoteArmCallbacks` cached delegates over scratch
-fields (`:1474-1492`), introduced by the collapse's second commit to remove
-per-packet closures from this exact method. D-P4 also states the wiring must be
-"without per-packet closures". Narrow reach (SetPosition + RemoteMotion
-present), so MINOR — but the comment asserts compliance the code does not have.
-
-### B5 — the retained-retry arm invalidates prediction on an outcome that writes nothing
-
-`RuntimeRemotePlacementDriveController.Advance:1265-1268`: the else branch calls
-`pendingProjectile?.InvalidatePrediction()` and then `SubmitAndResolve`. When
-`SubmitAndResolve` returns `Contention` (retryable → re-parked into `_pending`),
-`Advance` performs **no** `StoreAcceptedDestinationPose` — so nothing was
-written, yet the prediction version advanced. Contract invariant 4 pins
-"prediction invalidation accompanies every body write on this route… The no-op
-dispositions invalidate nothing." Effect is one aborted in-flight quantum per
-re-park; small, but it is the invariant's stated shape violated on one arm only.
-The entry point does not have this problem (Contention there always stores).
-
----
-
-## 3. Round-1 findings — disposition
-
-| # | status | verification |
-|---|---|---|
-| **A1** (unconditional ack) | **CLOSED, gate correct — but see B2** | `:2170-2179` gates on `placementStatus is not null and not Deferred and not RejectedByPlacement`, an exact set-equality mirror of the Runtime gate (`:975-983` plus the `null` returns). Verified by enumerating every `RuntimeRemotePlacementExecutionStatus` producer. |
-| **A2** (Missile bit without a bound projectile) | **CLOSED, well** | The discriminator became conjunctive at the classifier (`RuntimeEntityObjectLifetime.cs:673-677`) with the App's null-route fallback mirroring it exactly (`:2122-2131`). Retail justification is sound and better than my suggested fix: retail places every non-player object unconditionally, so an unbindable missile taking the ordinary remote path *is* the faithful behaviour, not a fallback. Blast radius enumerated below. `MissileUnbound_FallsThroughToRemoteTail_TracksInsteadOfFreezing` is discriminating (revert the conjunct and the body never moves). |
-| **A3** (teleport hook) | **PARTIALLY closed — see B1** | Teleport branch wired through the existing `RemoteTeleportHook` bundle with a real per-packet currency guard; the adopted-body test is genuinely discriminating (removing the call leaves `Constraint.IsConstrained` true and `Interp.IsActive` true). Far branch not covered. |
-| **A4** (sync untested) | **PARTIALLY closed — see B3** | 2 of 5 new tests discriminate; the store-path spatial+visible branch remains unasserted. |
-| **A5** (no App missile coverage) | **CLOSED, well** | 7 tests on the shared collapse fixture. Fixture-regression check below. |
-| **A6** (`wasInWorld` read after placement) | **CLOSED (behaviourally inert, correctly so)** | `wasInWorld` is now captured before dispatch at both call sites (entry point `:942`, retry `:1226`) and threaded as a parameter. Note it has **no observable effect**: on commit, `EnteringWorldFromCelllessResidence` already re-activates from the same pre-`SnapToCell` condition; on store, `body.InWorld` is unchanged so before == after. Correct and trap-removing either way. |
-| **A7** (hidden `LastUpdateTime`) | **CLOSED** | Restored at `:1055`. Clock basis verified equivalent: `UpdateFrameOrchestrator.CurrentScriptTime => _runtime.SimulationTimeSeconds`, i.e. `_physicsScriptGameTime` and `_clock.SimulationTimeSeconds` are the same clock, so no mixed-basis write into `body.LastUpdateTime`. |
-| **A8** (silent shadow skip) | **CLOSED** | `else { physics.ThrowIfWorldFrameUnreachable(record.FullCellId); }` at `:1053`. Verified non-throwing during the legitimate pre-Create window (`RuntimePhysicsState.cs:596-606` returns early unless the local-player Create was observed with a zero frame). |
-| **A9** (local player not fenced) | **CLOSED** | `update.Guid != _playerServerGuid &&` added to the fallback (`:2125`). |
-| **A10** (`OwnsFarSnap` doc) | **CLOSED** | Doc-only change; the predicate body is byte-identical (verified — the diff adds only comment lines). No effect on the far arm the collapse and 4b-2 gated. |
-| **A11** (stale cutover inventory) | **DECLINED — acceptable** | `docs/research/2026-08-02-cutover-route-inventory.md` is a dated research/planning record, and the project's documentation rules treat those as historical. D-P7's grep was scoped to `src/` and `docs/architecture/`, both of which are clean. Reasonable call; the risk is a future reader treating a dated inventory as current, which the date already signals. |
-| **`_lastFiniteGameTime`** | **CLOSED** | `SyncPresentationFromResolvedBody:521-522` restores the rebase under `double.IsFinite`, matching the deleted method's semantics (it also skipped the assignment on a non-finite clock). |
-
-### A2's fix — blast radius, enumerated
-
-Everything that now depends on the conjunctive kind derivation, and its status:
-
-1. `RuntimeAcceptedPositionRouteRequests.TryBuild` → `RuntimeAuthoritativePositionRouteClassifier` — re-verified that the classifier's only kind branch past `ValidEntityKind` is `LocalPlayer`, so `Projectile` and `Remote` remain disposition-, flag-, `StopInterpolating`- and `ConstrainPhase`-identical. Kind changes the `OperationKind` only.
-2. `RuntimeRemotePlacementDriveController.OwnsPlacement` — admits both; single production reader (`TryExecuteAcceptedRemotePosition:640`).
-3. `RuntimeRemoteFarSnapPosition.OwnsFarSnap` / `RuntimeRemoteTeleportPosition.OwnsTeleportPlacement` / `ApplyAcceptedRemoteFarSnap` / `ApplyAcceptedRemoteTeleport` / `TryArmConstraintAfterOperation` — still `RemoteAuthoritative`-gated. An **unbound** missile now legitimately reaches them (it is classified `Remote`), which is the intended pre-route-5 behaviour; a **bound** one never can. The throwing guards stay unreachable for projectiles.
-4. App `isMissilePacket` — derived from `route.OperationKind` whenever a route exists, so it cannot disagree with the classifier; the null-route arm restates the identical conjunct.
-5. **Kind is now derived from mutable binding state**, so it can flip between packets without the Missile bit changing. The one place that stores a kind across packets is `_pending[key].Route`; `Advance` re-validates `pending.Record.Projectile` and body identity before syncing (`:1214-1224`), and `TryPrepareAndSubmitAuthoredPlacement` compares `route.OperationKind` against the `operation.Kind` stamped at the same Begin. Consistent — this was handled deliberately (R3), not by luck.
-6. First-entry admission, the residence Create half, and the continuation executor all pass explicit kinds and are untouched.
-
-I found no dependent that broke.
-
-### A5's fix — did the shared fixture regress for its original dual-guid purpose?
-
-**No.** Verified line by line:
-
-- The remote construction is moved verbatim into an `else` branch; the
- `RemoteMotion` + `Shadows.Register(… Cylinder, cylHeight: 1.835f …)` block is
- byte-identical to the original.
-- `baseState` evaluates to exactly `PhysicsStateFlags.ReportCollisions` when
- `isMissile: false`, so both `RawState` and `PhysicsState` are unchanged for
- every pre-existing test (all of which use the default `isMissile: false`).
-- `Remote` stays `null!` for missile fixtures; no missile test dereferences it.
- The two tests that do use `fixture.Remote` (`MissileUnbound_…`,
- `MissileAdoptedBody_…`) both construct with `isMissile: false` — deliberately,
- because both scenarios *are* remote-shaped records that acquire the Missile
- bit later. That is the right modelling.
-- The new `Projectile` property is additive.
-- All pre-existing dual-guid tests in the file pass in the 64/64 run.
-
-`MissileAdoptedBody_…` is worth calling out as a genuinely good test: it builds
-the adopted-body shape through the production seam (`BindProjectile` over the
-record's canonical body, which `SetRemoteMotion` had already adopted from the
-component), and its two discriminating assertions (`Constraint.IsConstrained`,
-`Interp.IsActive`) fail if the hook call is removed.
-
----
-
-## 4. The two reported residuals — judgment
-
-### Residual 1 — A1's fix has no App-level regression test
-
-**Judgment: the stated gap is acceptable; the surrounding gap is not.**
-
-The narrow claim is correct and I verified it: `Deferred` requires a
-`DeferredCell` park (collision-generation quiescence) and `RejectedByPlacement`
-requires the engine's own sweep to refuse, and no sibling remote test in that
-file constructs either — the fixture has no machinery for it. The gate is a
-literal set-equality mirror of a Runtime gate whose behaviour *is* exercised by
-`Refused`/no-op/rejected tests, so code review is a defensible verification for
-those two statuses specifically.
-
-But the reason the sabotage survived is not that `Deferred` is unreachable — it
-is that **R6 made the ack idempotent on the no-op path**, so the gate has no
-observable effect on any scenario the matrix currently contains. The status the
-gate matters for that *is* trivially constructible is the store path, and the
-fixture already supports it (omit `ServiceWindow.Allow`). That test is required
-(B3), and it also catches B2. So: accept the `Deferred`/`RejectedByPlacement`
-carve-out, reject the absence of any store-path App scenario.
-
-### Residual 2 — only 2 of 5 A4 tests discriminate
-
-**Judgment: 2 is not sufficient for invariant 2, but the shortfall is one
-assertion, not a suite.**
-
-The trace is accurate (I reproduced all five verdicts independently, including
-the non-obvious `EnteringWorldFromCelllessResidence` mechanism behind the
-reactivation test). Keeping the redundant assertions as correct facts is the
-right call — they are true, cheap, and they pin the shared pipeline's
-contribution.
-
-The shortfall is specific: the spatial+visible branch is redundant **only on the
-committed path**. On the store path `SyncProjectilePresentation` is the sole
-writer of the shadow row, and no test asserts it. Invariant 2 is "#312's layer"
-— an entity left rendered a packet behind its body — and the store path is
-exactly the outcome class where that can happen without the shared pipeline
-noticing. One `Assert.Equal(body.Position, shadowEntry.Position)` in the
-existing `Refused_…` test converts the third branch from redundant to
-discriminating and closes invariant 2 at the Runtime layer. Combined with the
-App store scenario from B3, invariant 2 is then covered at both layers by
-discriminating assertions.
-
----
-
-## 5. What would make this PASS
-
-1. **B2**: `entity.ParentCellId = record.FullCellId` (keep the A1 gate). One
- expression.
-2. **B1**: clear the adopted `Interp` queue on the `SetPositionSimple` arm when
- `route.StopInterpolating`; narrow AP-141's far-branch sentence to the
- bare-missile case. One call + one clause + one test.
-3. **B3**: one shadow assertion in `Refused_StillAdvancesPoseNoParkPredictionInvalidated`;
- one `MissileFarRefused_…` App scenario asserting position **and**
- `ParentCellId` (which is the B2 regression test).
-4. **B4/B5**: cached delegate for the hook currency check; move the retry arm's
- `InvalidatePrediction` to the paths that actually write.
-
-Nothing here needs new machinery, a new fixture, or a design change.
diff --git a/docs/research/2026-08-04-c4-route-5-architecture-review-round3.md b/docs/research/2026-08-04-c4-route-5-architecture-review-round3.md
deleted file mode 100644
index 72e6a512..00000000
--- a/docs/research/2026-08-04-c4-route-5-architecture-review-round3.md
+++ /dev/null
@@ -1,188 +0,0 @@
-# C4 route 5 — architecture / adversarial DELTA review, round 3 (2026-08-04)
-
-**Verdict: FAIL — one finding (C1), coverage-only, no identified defect.**
-
-Every behavioural finding from rounds 1 and 2 is now closed and independently
-verified. The single remaining item is that the `Advance()` retry arm's
-projectile branch — added in round 2 (R3) and semantically modified in round 3
-(B5, a prediction-invalidation reordering) — is executed by **no test at any
-layer**. I traced the reordering and believe it is safe; but "safe by reading"
-is the standard this project rejects, and it is the standard I applied to the
-implementer twice (A4, A5). The templates to close it are already in the same
-file. **The bar for round 4 is one test.**
-
-Gates run for this review: `dotnet build AcDream.slnx -c Release --no-incremental`
-— **0 errors, 21 warnings, all pre-existing and none in any route-5 file** (they
-are in `AcDream.App.Tests/Composition`, `AcDream.Core.Tests` nullability and
-xUnit-analyzer nits; my earlier "0 warnings" readings were incremental builds
-that skipped those projects — no regression). Focused Runtime suites 59/59;
-focused App suites including `UpdateFrameOrchestratorTests` 94/94.
-
----
-
-## 1. Finding
-
-### C1 — the `Advance()` retry arm's projectile branch has never been executed by a test, and round 3 changed its prediction-invalidation semantics
-
-**Severity: MAJOR (coverage). No defect identified — the code reads correct.**
-
-`RuntimeRemotePlacementDriveController.Advance:1221-1305` contains the R3
-projectile branch (kind/identity re-validation, `pendingWasInWorld` capture,
-prediction invalidation, `SyncProjectilePresentation`) and the B5 reordering.
-All six `drive.Advance()` call sites in
-`RuntimeRemotePlacementDriveControllerTests.cs` (`:533`, `:549`, `:592`,
-`:1015`, `:1021`, `:1755`) belong to **remote**-kind tests. No test parks a
-`ProjectileAuthoritative` retry and pumps `Advance()`.
-
-What is therefore unexercised:
-
-- prediction invalidation on a retried projectile placement (trap T3 — a
- straddling quantum clobbering a committed placement is exactly what this
- guards);
-- the B5 semantic change: invalidation **skipped** when `SubmitAndResolve`
- returns `Contention`;
-- `SyncProjectilePresentation` on the retry arm (invariant 2 on a second call
- site);
-- the stale-route guard (`pending.Route.OperationKind` + body/component
- re-validation) that exists precisely because a retry can outlive its
- binding.
-
-The R3 comment states the intent plainly — *"Neither invariant this route pins
-… may hold on the direct arm only"* — and both invariants are, in fact,
-asserted only on the direct arm.
-
-Reachability: `_pending` receives a projectile entry whenever
-`SubmitAndResolve` returns a retryable preparation status
-(`RetrySetupUnavailable`/`RetryWorldFrameUnavailable`) for a
-`ProjectileAuthoritative` route — an ordinary streaming-edge condition — and
-`Advance()` is the host cadence pump. Standing caveat: like the whole route,
-ACE-unreachable in play.
-
-**Fix direction (cheap — both templates are in the same file):** rebuild
-`FarSnap_RetryablePreparation_StoresThePoseAndStillRetainsTheRetry` (`:985`)
-and `Advance_DestinationLeavesTheWindow_StoresTheNewestDestinationPose`
-(`:1707`) against `CreateProjectileRecord` + a `ProjectileAuthoritative` route
-— the same borrowing the projectile ledger test already did from
-`Teleport_LedgerConverges_…`. Assert, on the retry: the pose advanced, the
-prediction version moved on the storing outcomes and **did not** move on a
-re-parked `Contention`, and the shadow row followed the body.
-
----
-
-## 2. The B5 reordering — safety verified
-
-Asked to scrutinise this specifically. **It is safe**, and for a reason
-stronger than the comment's "single-threaded and synchronous".
-
-The invalidation exists solely so a straddling quantum aborts at `Complete`.
-`PredictionAuthorityVersion` has exactly four consumers, enumerated across
-`src/`: `RuntimeProjectilePhysicsUpdater.TryBegin`/`Complete`/`IsIdentityCurrent`,
-`RuntimePhysicsState.CommitProjectileCell`'s `IsExactOwner`, and
-`ProjectileController.IsCurrentQuantumIdentity` (`:837`). The only callers of
-`CompleteQuantum` are `ProjectileController.AdvanceQuantum` (`:760`) and
-`LiveEntityAnimationScheduler` (`:419`) — both frame-loop driven. Nothing in
-the placement pipeline's synchronous publish chain (placement projection sink,
-`RebucketLiveEntity`'s visibility callbacks, collision-report observers) can
-reach either. Notably, the one projection callback that *does* re-enter the
-projectile controller — `OnProjectionVisibilityChanged` → `TryBind` — returns
-early on a retained runtime and never touches a quantum. So no `Complete` can
-interleave between the write inside `SubmitAndResolve` and the invalidate on
-the next statement.
-
-The skip on `Contention` is also correct: `Contention` from `SubmitAndResolve`
-means preparation returned a retryable status, so `PhysicsEngine.SetPosition`
-never ran and nothing wrote the body — verified by walking
-`TryPrepareAndSubmitAuthoredPlacement`'s non-`Prepared` path, which touches
-only `operation.*` fields and reads (`body.InContact`/`OnWalkable`), never the
-body's pose.
-
-Two ordering details I checked and found sound: the `Refused` branch still
-invalidates **before** `StoreAcceptedDestinationPose` (the one body write on
-that arm); and `CancelToken`'s synchronous cancellation receipt — which the
-class doc warns can delete or replace the incarnation — is harmless here
-because `pendingProjectile` is a captured strong reference (invalidating a
-displaced component is inert, and a displaced component's quantum already
-fails `IsIdentityCurrent`'s `ReferenceEquals(record.Projectile, projectile)`),
-while both `StoreAcceptedDestinationPose` and `SyncProjectilePresentation`
-re-validate currency at entry.
-
-Honest note on the invariant's status: contract §5 item 4 says invalidation is
-"before the write". On this arm it is now after, resting on a reachability
-argument rather than structural ordering. The argument holds today; it is
-recorded here so a future change that lets a projection callback drive a
-quantum knows it broke something. The comment states the reasoning openly,
-which is the right handling.
-
----
-
-## 3. The indoor staging in the B2 regression test — legitimate, and it corrects my round-2 finding
-
-**Judgment: the staging is legitimate, the test genuinely pins production
-behaviour, and the diagnosis behind it is correct.**
-
-I verified the mechanism at source. `PhysicsBody.Position`'s setter
-(`PhysicsBody.cs:153-162`) calls `SyncCellPositionDelta(delta)` on every write,
-including `StoreAcceptedDestinationPose`'s. That method (`:287-308`) has two
-branches:
-
-- **outdoor** (low word `1..0x40`): `LandDefs.AdjustToOutside` re-derives the
- cell index from the shifted local origin *and* bumps the landblock on a
- 192 m crossing — so after a store to a cross-landblock destination the body's
- own cell id **self-corrects to the destination cell**;
-- **indoor** (low word outside that range — an EnvCell id): the local origin
- shifts but the cell id is kept verbatim, so it stays pinned at the source
- EnvCell.
-
-So the implementer's finding is right, and it **corrects my round-2 B2**: the
-defect I reported was real but its blast radius was narrower than I stated. My
-stated scenario ("a missile crosses a landblock boundary at the streaming
-edge") is an *outdoor* case, which self-heals through `AdjustToOutside`; the
-genuinely divergent case is a body in an EnvCell — a bolt fired inside a
-dungeon. That correction is recorded here rather than smoothed over.
-
-The staging is not a fixture artefact:
-`IndoorSourceCell = SourceLandblock | 0x0100` is a well-formed EnvCell id (the
-first EnvCell index), and `SnapToCell` seeds indoor claims verbatim by design
-(`PhysicsBody.cs:190-205`, "Indoor EnvCell claims (low word >= 0x100) … seeded
-verbatim"). The scenario — indoor body, outdoor wire destination, service
-window refuses — is production-reachable.
-
-One asymmetry worth naming, which does not affect the pin: the test stages the
-indoor cell on the *body* while leaving `record.FullCellId` at the outdoor
-`SourceCell`, a pairing production would not produce. It is inert here because
-the merge overwrites `record.FullCellId` with the wire cell before the ack
-runs, so the pre-packet value is never read. The assertion depends only on the
-two expressions diverging, which they genuinely do.
-
-Discrimination confirmed by construction: the test asserts
-`body.CellPosition.ObjCellId == IndoorSourceCell` (the divergence actually
-occurred) and then `entity.ParentCellId == DestinationCell`. Restoring round
-1's `body.CellPosition.ObjCellId` read fails the second assertion.
-
----
-
-## 4. Round-2 findings — disposition
-
-| # | status | verification |
-|---|---|---|
-| **B1** (adopted-body far snap leaves `Interp` armed; AP-141 asserts the opposite) | **CLOSED, well** | The clear landed in the Runtime seam at `ApplyAcceptedProjectilePosition`'s `SetPositionSimple` case, **before** the placement — matching retail's @0x005163CB-before-@0x005163D9 ordering — guarded on `route.StopInterpolating && record.RemoteMotion is RemoteMotion`, the exact shape `ApplyAcceptedRemoteFarSnap` ports. Correctly scoped to one action, not the full hook. `MissileAdoptedBody_FarCommit_ClearsInterpQueueButLeavesConstraintArmed` is discriminating in both directions: it pins the queue clear **and** pins that `UnConstrain` did *not* run, proving the fix did not over-apply the teleport hook to the far branch. AP-141 is now narrowed to "faithful ONLY for a BARE missile" and additionally names the surviving `ConstrainTo` re-anchor divergence for the adopted case — a more accurate row than before the finding. |
-| **B2** (`ParentCellId` regression) | **CLOSED, well** | Reverted to `record.FullCellId`; the A1 gate kept. The doc now carries three independent justifications, of which two I verified directly (the sibling remote arm pairs wire pose with wire cell; Runtime's own `SyncProjectilePresentation` publishes the shadow at `record.FullCellId` in the same call, so the body-cell read would have disagreed with the shadow for one body in one packet) and the third is retail's `store_position` @0x00515CE2 writing `objcell_id`. Regression-tested — see §3. |
-| **B3** (store path unasserted at both layers) | **CLOSED at both layers** | Runtime: `Refused_StillAdvancesPoseNoParkPredictionInvalidated` now asserts `shadowEntry.Position == body.Position`; on the `Refused` path nothing but `SyncProjectilePresentation` publishes the shadow, so it discriminates. App: `MissileFarRefused_StorePathStillMovesEntityToDestinationParentCellIdAgreesWithWireCell` asserts entity position and `ParentCellId`; deleting the ack leaves the entity at its spawn pose. What remains untested from B3's neighbourhood is only the A1 gate's own two statuses (`Deferred`/`RejectedByPlacement`), which round 2 already accepted as an unconstructible carve-out, and the retry arm (C1). |
-| **B4** (per-packet closure) | **CLOSED, correctly** | `IsCurrentProjectilePositionOwner` is now a third cached delegate inside `RemoteArmCallbacks`, bound to `IsCurrentProjectileArmPositionOwner`, reading `_projectileArmPosition*` scratch fields stamped immediately before use — byte-for-byte the same shape as the existing `_remoteArmPosition*` / `IsCurrentRemoteArmPositionOwner` pair (`:92-93`, `:1467-1468`, `:1502-1506`). Same reentrancy exposure as the incumbent #315 pattern, therefore parity rather than a new hazard. The `UpdateFrameOrchestratorTests` zero-`Delegate`-field guard holds — it ran green inside the 94/94 App suite, and the cache stayed inside the named type rather than becoming bare fields. |
-| **B5** (retry arm invalidating with no write) | **CLOSED — see §2** | Correct, and the safety of the reordering verified independently. Untested (C1). |
-| Round-1 **MINOR (c)** (4a velocity comment with no retail basis) | **FILED as #317** | `docs/ISSUES.md` — accurate description, correct scoping rationale, and an acceptance criterion that names the actual work (audit the whole accepted-Position velocity chain, then cite or remove with a register row). Better handling than a silent comment fix. |
-
-No round-1 or round-2 finding regressed, and nothing in this round's diff
-introduced a new behavioural defect that I could identify.
-
----
-
-## 5. What would make this PASS
-
-One test: a `ProjectileAuthoritative` retained retry driven through
-`drive.Advance()`, asserting the pose advanced, the prediction version moved on
-a storing outcome and did **not** move on a re-parked `Contention`, and the
-shadow row followed the body. Two existing remote tests in the same file are
-the templates.
-
-Nothing else is outstanding.
diff --git a/docs/research/2026-08-04-c4-route-5-architecture-review.md b/docs/research/2026-08-04-c4-route-5-architecture-review.md
deleted file mode 100644
index 173735ce..00000000
--- a/docs/research/2026-08-04-c4-route-5-architecture-review.md
+++ /dev/null
@@ -1,465 +0,0 @@
-# C4 route 5 — architecture / adversarial review (2026-08-04)
-
-**Verdict: FAIL.**
-
-Scope reviewed: the uncommitted working tree at HEAD `30d3d114`, branch
-`claude/acdream-physics-divergence-5aa784` — `git diff HEAD` over 8 files plus
-the untracked `tests/AcDream.Runtime.Tests/Entities/RuntimeProjectilePositionKindTests.cs`.
-`docs/research/2026-08-04-c4-route-5-contract.md` is the contract, not under
-review. Line numbers below are as-of the working tree and will go stale; every
-citation also names the symbol (process rule 6).
-
-Independent verification performed for this review: `dotnet build AcDream.slnx -c Release`
-(succeeded, 0 warnings / 0 errors), focused Runtime suites 58/58 green, focused
-`ProjectileControllerTests` 41/41 green. The complete Release suite was NOT run
-here.
-
-The design is sound and the Runtime seam is largely a faithful, well-argued
-reproduction. The FAIL rests on four things: two real defects in the ~35 lines
-of App dispatch glue (A1, A2), one pinned contract obligation left unwired with
-a concrete failure scenario (A3), and the fact that the presentation invariant
-(§5 item 2, "#312's layer — tests must assert it") and the entire App dispatch
-have **zero** test coverage (A4, A5) — which is also the direct answer to the
-scoping-gap question at the end.
-
----
-
-## MAJOR findings
-
-### A1 — the App projectile ack ignores the seam's status and writes cell identity on the outcomes the design pins as "write nothing"
-
-**Severity: MAJOR.**
-`src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2137-2144`
-(`OnPosition`, the D-P6 projectile arm):
-
-```csharp
-if (earlyRemoteRoute is { } route)
-{
- _remotePlacementDrive.ApplyAcceptedProjectilePosition(
- acceptedPositionCanonical,
- route);
- _projectileController?.SyncPresentationFromResolvedBody(
- acceptedPositionRecord);
-}
-return;
-```
-
-The returned `RuntimeRemotePlacementExecutionStatus?` is discarded. The Runtime
-half is deliberately selective — `RuntimeRemotePlacementDriveController.ApplyAcceptedProjectilePosition:975-983`
-skips `SyncProjectilePresentation` for `Deferred`/`RejectedByPlacement`
-("Invariant 2: presentation advances on every committed/stored outcome only")
-and returns `null` without touching anything for `Interpolate`,
-`NoPositionOperation`, `RejectedAuthority`, `RejectedData`, and every ownership
-mismatch. App re-projects presentation for **all** of them.
-
-Concrete failure scenario (the near no-op, D-P2's pinned `Interpolate` row):
-
-1. An in-flight arrow's canonical body sits in cell A at world P_A.
-2. A grounded, <96 m accepted Position for cell B arrives.
- `RuntimeEntityObjectLifetime.TryApplyPosition` merges it; the merge's
- `RefreshDerivedState` → `SetFullCell` (`RuntimeEntityRecord.cs:230-251`)
- stamps `canonical.FullCellId = B` **before** any classification runs.
-3. The classifier returns `Interpolate` — a pinned no-op. The Runtime seam
- writes nothing: body stays at cell A / P_A, prediction version unchanged.
-4. App nevertheless runs `ProjectileController.SyncPresentationFromResolvedBody:505-520`,
- which does `entity.SetPosition(runtime.Body.Position)` (= P_A, correct) and
- `entity.ParentCellId = record.FullCellId` (= **B**, wrong — `LiveEntityRecord.FullCellId`
- is `Canonical.FullCellId`, `LiveEntityRuntime.cs:189-191`).
-
-The render entity is now parented into a cell it is not geometrically inside,
-with a position from the other cell. If B is an indoor EnvCell the arrow has not
-entered, the arrow renders through the wall or is culled. The same write happens
-on `RejectedByPlacement`, where the Runtime comment says in as many words that
-the body must be left "at its prior (already-synced) pose".
-
-This is a genuine regression, not parity: the deleted `ApplyAuthoritativePosition`
-had no disposition concept — it always moved the body to the wire cell *and*
-wrote the same cell into the entity, so position and cell were always
-consistent. Splitting the body write out by disposition without splitting the
-presentation write out with it is what creates the divergence.
-
-**Fix direction:** return the status through the App boundary and call
-`SyncPresentationFromResolvedBody` only on the outcomes `SyncProjectilePresentation`
-itself covers (non-null status that is neither `Deferred` nor
-`RejectedByPlacement`) — or move the render-entity projection into the same
-gate inside the Runtime seam and have App acknowledge, not decide.
-
----
-
-### A2 — a record carrying the Missile bit with no bound `RuntimeProjectile` now has every accepted Position silently dropped, where it previously fell through to the remote tail
-
-**Severity: MAJOR (silent, permanent).**
-Discriminator: `LiveEntityNetworkUpdateController.cs:2122-2146` (`isMissilePacket`);
-refusal: `RuntimeRemotePlacementDriveController.ApplyAcceptedProjectilePosition:930-936`
-(`record.Projectile is not RuntimeProjectile projectile` → `return null`).
-
-`isMissilePacket` keys purely on the canonical record's Missile bit. It does not
-require that a projectile component exists. The old short-circuit did: the
-deleted `ProjectileController.ApplyAuthoritativePosition` returned `false` when
-`TryGetCurrent` found no bound `RuntimeProjectile`, and `== true` failing meant
-the packet **fell through** to the generic remote tail.
-
-`record.Projectile` has exactly one producer: `ProjectileController.TryBind` →
-`LiveEntityRuntime.BindProjectileRuntime` → `RuntimePhysicsState.BindProjectile`
-(verified by grep — no other writer of `Entities.SetProjectile(record, component)`).
-`TryBind` has several ordinary, non-exceptional failure returns, e.g.
-`ProjectileController.cs:160-166`:
-
-```
-"Missile 0x… Setup 0x… does not have the supported retail one-sphere collision shape."
-```
-
-Scenario: ACE spawns a missile whose Setup does not reduce to the supported
-one-sphere shape (a diagnosed, expected case — it has its own log line).
-`TryBind` returns false; `record.Projectile` stays null; `FinalPhysicsState &
-Missile` stays set. Every subsequent accepted Position for that guid now returns
-at `:2146` having done nothing at all — no `TryApplyGenericRemoteRenderPose`, no
-`RebucketLiveEntity`, no `GetOrCreateRemoteMotionRuntime`. The object freezes at
-its create pose for the rest of its life and never follows the server. Before
-this diff it tracked, via the remote tail.
-
-The contract's D-P6 does pin "dispatch the projectile arm and RETURN", so this is
-a defect in the design as implemented rather than a slip against it — but it is
-still a new, silent, permanent freeze, and the same defect class (`the frozen
-entity`) that the 4b-family reviews have been hunting. Reachability caveat,
-stated honestly: ACE never sends a missile `UpdatePosition`
-(`WorldObject_Tick.cs:333-334`), so like every other half of this route it is
-test-reachable only.
-
-**Fix direction:** make the discriminator conjunctive — a packet takes the
-projectile arm only when the arm can actually own it (Missile bit **and** a
-bound projectile whose `Body` is the canonical `PhysicsBody`); otherwise let it
-take the ordinary tail, which is what the record's shape actually is. If the
-swallow is intended, it needs its own register row and a test that pins it, and
-neither exists.
-
----
-
-### A3 — D-P4's teleport-hook reduction is unwired for the adopted-body case, which the codebase explicitly supports
-
-**Severity: MAJOR (contract obligation unmet; concrete scenario).**
-`RuntimeRemotePlacementDriveController.ApplyAcceptedProjectilePosition:944`
-runs exactly one of retail's six `teleport_hook` @0x00514ED0 actions:
-
-```csharp
-case RuntimeAuthoritativePositionDisposition.SetPosition:
- _entityObjects.Physics.CollisionReports.LeaveWorld(record);
-```
-
-The contract pins more than that: *"The other five actions execute iff their
-owning component exists — for the adopted-body case (a missile that also carries
-a `RemoteMotion`), the existing hook actions' per-manager guards already express
-retail's shape; the implementer wires this without per-packet closures"* (D-P4).
-Nothing wires them, and no note records the omission.
-
-The adopted-body case is not hypothetical. `ProjectileController.TryBind`'s
-shared-body branch exists precisely for it — *"If a non-missile incarnation
-already created its MovementManager or entered the Physics-Static animation
-workset, classification adopts that same body"* — and
-`RuntimePhysicsState.BindProjectile:757-830` does not exclude a record that has
-a `RemoteMotion`. `RuntimePhysicsState.cs:697-708` shows the same key can sit in
-both `_spatialRemotes` and `_spatialProjectiles`.
-
-Scenario: an object is a live remote with a populated `RemoteMotion.Interp`
-queue and a `ConstrainTo` leash armed by route 4a's
-`RuntimeRemoteSteadyStatePosition.TryArmConstraintAfterOperation`. ACE then sets
-the Missile bit (a State packet); `TryBind` adopts the shared body. The next
-teleport/cell-less Position takes the projectile arm: collisions are force-ended
-and the body is teleported, but `StopInterpolating`, `UnConstrain`,
-`CancelMoveTo`, and `UnStick` never run. The `RemoteMotion` survives in the
-remote workset with a stale waypoint and a live leash anchored at the
-pre-teleport position, and drags the newly-placed missile body back. Retail
-@0x00514EFD/@0x00514F31 runs all six, each guarded on its own manager, so
-retail's own guards would no-op for a pure arrow and would fire here.
-
-Note this is not a regression from HEAD — the old short-circuit did not run the
-hook either — but D-P4 made wiring it an explicit obligation of this slice, and
-the faithful port (`RemoteTeleportHook.Execute` + `RemoteTeleportHookActions`,
-`src/AcDream.App/Physics/RemoteTeleportHook.cs`) is sitting in-tree unused for
-this arm. That is exactly the 4b-3 round-2 R2 defect class the contract cited by
-name.
-
-**Fix direction:** drive the projectile teleport arm through the same six-action
-bundle (cached delegates, #315 pattern), letting each action's per-component
-guard decide — for an ordinary arrow all five extra actions are no-ops, and the
-adopted-body case gets retail's shape for free.
-
----
-
-### A4 — `SyncProjectilePresentation`, the highest-risk reproduced code in the diff, has no test that would fail if it were deleted
-
-**Severity: MAJOR (test gap on the invariant the contract singles out).**
-`RuntimeRemotePlacementDriveController.SyncProjectilePresentation:987-1039`.
-
-Contract §5 invariant 2: *"Presentation still advances… the shadow registry is
-synced (spatial+visible) or suspended (hidden/non-spatial) exactly per the
-current tail's semantics. A projectile is never left rendered a packet behind
-its body (#312's layer — **tests must assert it**)."*
-
-Across all seven new Runtime tests, the only assertion that even touches this
-method is `Assert.True(body.InWorld)` in
-`ApplyAcceptedProjectilePosition_Refused_StillAdvancesPoseNoParkPredictionInvalidated`.
-That assertion is vacuous with respect to the sync: the fixture's `AttachBody`
-(`RuntimeRemotePlacementDriveControllerTests.cs:2860-2880`) calls
-`body.SnapToCell(...)`, and `PhysicsBody.SnapToCell` sets `InWorld = true`
-(`PhysicsBody.cs:201-205`). Nothing in the Refused path clears it. So the
-assertion passes with `SyncProjectilePresentation` entirely removed.
-
-Unasserted, at any layer: the shadow-registry publication
-(`ShadowObjects.UpdatePosition`), the spatial+hidden `Suspend`, the non-spatial
-`InWorld = false` + `Active` clear + `Suspend`, the `!body.InWorld` activation
-edge, and the three currency guards at the method's head. The committed-outcome
-tests (`…TeleportCommit…`, `…FarCommit…`) assert status, position, prediction
-version, velocity, `RemoteMotion is null`, and collision-owner count — none of
-which the sync produces.
-
-**Fix direction:** one test per branch of the sync, keyed on the observable the
-old tail produced: shadow row present at the resolved pose (spatial+visible),
-`Suspend` called (spatial+hidden and non-spatial), `Active` cleared
-(non-spatial). These are cheap; the fixture already registers shadows in
-`SeedCollisionOwner`.
-
----
-
-### A5 — no App-layer test exercises `OnPosition` with a missile packet at all; §7 items 8 and 9 are unwritten
-
-**Severity: MAJOR (this is the scoping-gap answer).**
-
-`grep -rn "Missile" tests/AcDream.App.Tests/Physics/LiveEntityNetwork*.cs`
-returns **zero** hits. The only App file mentioning `Missile` at all is
-`ProjectileControllerTests.cs`, which never calls `OnPosition`.
-
-So none of the following is covered anywhere:
-
-- the D-P1/D-P6 discriminator itself in its production call site;
-- invariant 8's mutual exclusion (Missile-set ⇒ projectile arm and **no
- `RemoteMotion` afterward**; Missile-clear ⇒ remote tail and no projectile
- effect);
-- the null-classification swallow (`earlyRemoteRoute is null` with the Missile
- bit set) and its positive half (timestamps consumed, merge advanced);
-- the "no early wire-pose write / no `RebucketLiveEntity`" pins;
-- the presentation ack the App owns — i.e. #312's layer at the layer it renders.
-
-Worse, the retired App test `MalformedFreshUpdates_DoNotPoisonCanonicalBodyOrPose`
-justifies its Position half's deletion by pointing at *"LiveEntityNetworkUpdateController's
-own 'invalid-payload swallow' test"*. **That test does not exist.** The
-underlying claim (the shared `CanAcceptPositionPayload` gate rejects the payload
-upstream) is correct and I verified it independently — but the cited successor
-coverage is not there, so the assertion was retired against a coverage claim
-that is false.
-
-Both A1 and A2 live inside the ~35 lines the implementer argued were "thin glue
-between two well-tested layers". That is the empirical refutation of the
-argument.
-
----
-
-## MINOR findings
-
-### A6 — the `!body.InWorld` gate is read after the placement, where the deleted tail captured `wasInWorld` before it
-
-`SyncProjectilePresentation:1012-1018` reads `body.InWorld` *after*
-`TryExecuteAcceptedRemotePosition` has run. The canonical commit calls
-`body.SnapToCell(...)` (`RuntimeSetPositionState.cs:4974`), which sets
-`InWorld = true`. The deleted tail captured `bool wasInWorld = body.InWorld;`
-**before** its `SnapToCell`. Consequence: on every committed outcome the
-re-activation branch (`body.LastUpdateTime = clock` + `TransientState |= Active`)
-is now dead — a projectile that had left the world and comes back through a
-committed accepted Position is marked `InWorld` but never re-flagged `Active`,
-and its legacy `LastUpdateTime` is not rebased. It self-heals on the next tick
-because `RetailObjectActivityGate.Evaluate` re-sets the flag
-(`RetailObjectActivityGate.cs:61-67`), which is the only reason this is MINOR
-rather than a frozen body. Fix: capture `body.InWorld` before dispatching the
-placement and pass it in.
-
-### A7 — the spatial+hidden branch silently drops `body.LastUpdateTime = currentTime`
-
-Deleted tail: `else if (spatial) { body.InWorld = true; body.LastUpdateTime = currentTime; Suspend(); }`.
-New (`SyncProjectilePresentation:1031-1035`): the `LastUpdateTime` write is gone.
-`ProjectileController.TryBind`'s equivalent branch documents why the write
-exists — *"consume the hidden clock so UnHide cannot replay a time backlog"*.
-Bounded by `TryBegin` refusing `Hidden` and by the `RetailObjectQuantumClock`
-being canonical post-R6, but it was a deliberate write and its removal is
-unremarked.
-
-### A8 — the shadow publication is silently skipped when the Runtime world frame is unavailable
-
-`SyncProjectilePresentation:1019-1030` wraps the shadow update in
-`if (physics.TryGetWorldFrameOffset(...))` and does nothing on false. The deleted
-`ShadowPositionSynchronizer.Sync` always published, using App's live centre, and
-returned early only for `cellId == 0`. `TryGetWorldFrameOffset` additionally
-returns false when `_worldFrameCenterLandblockId == 0`
-(`RuntimePhysicsState.cs:613-632`). Two methods away,
-`StoreAcceptedDestinationPose:1113-1119` treats exactly this case as
-`ThrowIfWorldFrameUnreachable` — #284's "a frame that can never arrive is
-terminal, never silent" policy. The new code neither publishes nor escalates.
-
-### A9 — the null-route fallback is not fenced off the local player
-
-`LiveEntityNetworkUpdateController.cs:2122-2126`: when `earlyRemoteRoute` is
-null, `isMissilePacket` falls back to a bare `FinalPhysicsState & Missile` test.
-`earlyRemoteRoute` is *always* null for `update.Guid == _playerServerGuid`. A
-local-player record that ever carried the Missile bit would therefore swallow
-its own accepted Position and freeze the player. Currently impossible only
-because ACE never sets Missile on a player — a one-token `update.Guid != _playerServerGuid &&`
-would make it structurally impossible.
-
-### A10 — `OwnsFarSnap`'s doc is now false in the kind dimension
-
-`src/AcDream.Runtime/Physics/RuntimeRemoteFarSnapPosition.cs:78-79` still states
-this predicate is *"a strict narrowing of `OwnsPlacement` to its far half"*.
-After the widening it narrows only `OwnsPlacement`'s **remote** far half.
-`RuntimeRemoteTeleportPosition.cs:33-35` hedges correctly ("`OwnsPlacement`'s
-remote scope"); the far-snap doc does not. D-P3 asked for exactly this
-correction where a comment would otherwise mislead (process rule 6).
-
-### A11 — the cutover route ledger still lists the deleted methods as live routes
-
-`docs/research/2026-08-02-cutover-route-inventory.md:666-694` still describes
-`ProjectileController.ApplyAuthoritativePosition` → `RuntimeProjectilePhysicsUpdater.ApplyAuthoritativePosition`
-as a live route with `SnapToCell` + `CommitProjectileCell`. D-P7 scoped the
-re-point grep to `src/` and `docs/architecture/`, so this is outside the letter
-of the obligation — but that file is the C4 route ledger this campaign reads
-from, and it is now wrong about route 5.
-
----
-
-## Verified — no finding
-
-These were hunted and came back clean; recorded so the next round does not
-re-litigate them.
-
-- **P3 (`RuntimeSetPositionState` kind-agnosticism) is CORRECT, and I verified
- it independently rather than accepting the argument.**
- `TryBeginExclusiveAuthoredPlacement:1444-1472` returns `default` (invalid
- token → `Contention`) whenever `_operations.ContainsKey(key)` or
- `HasRetainedCompletion(key)`. Both constructors that stamp
- `Kind = RemoteAuthoritative` — `ParkCollisionResidents`'s window-departure
- park (`:3833`/`:3866`, which itself `continue`s past any record already in
- `_operations`) and `CreateWithdrawalOperation` (`:5338`/`:5350`, reached only
- from `Cancel` after `CancelCoreDeferred`) — install an operation into
- `_operations` under the record's key. A projectile accepted Position arriving
- while one is live cannot capture or be relabelled by it; it refuses with
- `Contention`, which `StoresAcceptedDestination()` puts on the **storing** side,
- so the pose still advances and no ledger column is mislabelled. The two
- kind-conditional stage sites (`IsExactDormantLocalActivationCurrent:5445-5446`,
- `IsDormantLocalActivationPrephaseCurrent:2554-2600`) additionally require
- `InitialLogin`/`LocalAuthoritative` **and** `record.Projectile is null`, and
- the family has zero production callers. Residual, benign and pre-existing: a
- park operation created for a projectile record carries `Kind = RemoteAuthoritative`,
- but it never reaches the drive controller's ledger.
-- **The three ownership fences hold.** `OwnsPlacement` has exactly one
- production reader — `TryExecuteAcceptedRemotePosition:640` (verified by grep
- across `src/`; every other hit is a doc comment or a test). `OwnsFarSnap` and
- `OwnsTeleportPlacement` keep their `RemoteAuthoritative` gate, and a
- projectile route cannot reach `ApplyAcceptedRemoteFarSnap` /
- `ApplyAcceptedRemoteTeleport` / `TryArmConstraintAfterOperation`: the App
- returns before the remote tail whenever `isMissilePacket`, and
- `isMissilePacket` is derived *from* `route.OperationKind` whenever a route
- exists, so the two cannot disagree. The throwing guards stay unreachable, and
- no `RemoteMotion` is ever created on this arm.
-- **The remote route is unchanged.** Moving the `ClassifyRemoteAcceptedPosition`
- call earlier hops only a pure-read guard block
- (`TryGetRecord` / `ReferenceEquals` / `IsCurrentPositionAuthority`) with no
- reentrancy in between; classification itself is side-effect-free. Zero remote
- classifier tests changed expectation, which is the contract's own tripwire.
-- **`StoreAcceptedDestinationPose` never writes a cell**, so on
- `Refused`/`Contention`/`RejectedPreparation` the projectile body's
- `CellPosition` stays at the source cell while `record.FullCellId` is the wire
- cell. This is identical to the accepted remote behaviour (AP-138's residual)
- and the quantum stepper takes the cell from `record.FullCellId` explicitly
- (`RuntimeProjectilePhysicsUpdater.TryBegin`), so it is parity, not a new
- defect. Recorded, not filed.
-
----
-
-## Judgment on the four implementer claims
-
-**Claim 1 — both `ApplyAuthoritativePosition` overloads and the Runtime updater's
-copy deleted; nothing else called them; no behaviour lost.**
-**Deletions and callers: VERIFIED.** No code reference survives anywhere in
-`src/` or `tests/` (only comments, the contract, and the two research docs noted
-in A11); Release build green with 0 warnings. **"No behaviour lost": PARTIALLY
-FALSE.** Three deliberate behaviours went with them and only one is accounted
-for: the origin-translated world-position finiteness check (genuinely redundant —
-`worldPos` is a finite wire triple plus an integer landblock offset, so it cannot
-be non-finite when `CanAcceptPositionPayload` passed); the `_lastFiniteGameTime`
-rebase on a Position packet (App tick clock — unremarked, low impact); and the
-`wasInWorld` activate edge plus the hidden-branch `LastUpdateTime` write (A6,
-A7 — unremarked).
-
-**Claim 2 — 7 call sites modified, 2 assertions retired as obsolete.**
-**Mostly legitimate, with one false coverage claim.** The velocity assertions in
-`FreshVectorAndPositionCorrectionsMutateSameBody` are genuinely obsolete under
-D-P5 and have a real positive successor (`…TeleportCommit…` /
-`…FarCommit…` assert `body.Velocity` bit-identical after a placement). The
-`AuthoritativeMutation.Position` retirement has a genuine, load-bearing successor
-I read and checked —
-`ApplyAcceptedProjectilePosition_DuringOpenQuantum_CompleteAbortsAfterPredictionInvalidated`
-opens a real quantum, runs the arm, and asserts `Complete` returns false with the
-committed pose intact. The rewritten `SyncPresentation_ReentrantGuidReuseNeverTouchesTheReplacement`
-is an improvement, not a dilution: it correctly notes that `RebucketLiveEntity`
-self-suppresses its own guid's visibility callback and switches to a genuine
-spatial edge. **But** the malformed-payload retirement in
-`MalformedFreshUpdates_DoNotPoisonCanonicalBodyOrPose` cites a successor test in
-`LiveEntityNetworkUpdateController` that does not exist (A5). The upstream gate
-does cover the scenario; the citation does not.
-
-**Claim 3 — `OwnsPlacement_FalseWhenOperationKindIsNotRemoteAuthoritative`
-legitimately changed its expected outcome.**
-**TRUE, not a test bent to fit the code.** The widening makes
-`ProjectileAuthoritative` a positively-owned kind by construction, so leaving it
-in a "these kinds are refused" list would assert the opposite of the design. The
-positive case is separately and explicitly asserted
-(`OwnsPlacement_TrueForProjectileAuthoritative_…`, including the Create
-exclusion), and the two remaining negatives (`InitialLogin`,
-`LocalAuthoritative`) still pin the predicate's kind dimension. The rename is
-accurate.
-
-**Claim 4 — the new tests use airborne destinations to remove a contact-response
-confound.**
-**Legitimate confound removal, with a named residual.** The claim is accurate:
-the shared placement pipeline's contact response is retail landing behaviour,
-shared verbatim with the remote arms, and outside route 5's scope; D-P5's pin is
-specifically "no velocity *from the packet*", which an airborne destination
-isolates cleanly. It is not a test dodging a defect. The residual worth stating:
-**no test now places a projectile into ground contact at all**, so the
-interaction between the projectile arm and contact response — including whether
-the resulting velocity change is the right one for a ballistic body — is
-entirely unexercised. That is a gap, not a dishonesty.
-
----
-
-## Judgment on the known scoping gap (§7 item 8, the dual-kind `OnPosition` matrix)
-
-**It is a FAIL-level gap. Definite answer: not acceptable.**
-
-The implementer's two arguments are (a) the collapse's
-`LiveEntityNetworkOnPositionCollapseMatrixTests` fixture unconditionally
-constructs a `RemoteMotion` a projectile lacks, and (b) the D-P6 dispatch is
-~35 lines of thin glue between two well-tested layers.
-
-(a) is a fixture limitation, and a fixture limitation is a reason to extend the
-fixture, not to ship zero coverage. The projectile half of the matrix needs a
-record with the Missile bit, a bound projectile, and **no** `RemoteMotion` —
-which is precisely the assertion the matrix exists to make.
-
-(b) is refuted by this diff itself. Two of the five MAJORs above (A1, A2) are
-defects **inside those 35 lines**, and neither is visible from either
-well-tested layer: A1 is an App/Runtime disagreement about which outcomes may
-write presentation, and A2 is a discriminator whose reachable set is wider than
-the arm that consumes it. This is the same shape as 4b-3's three MAJORs — a
-mapping written against one caller's reachable set, and an invariant satisfied
-on one arm only — and a dual-kind matrix was the structural fix there for the
-same reason it is here.
-
-Additionally, the gap is broader than §7 item 8 alone: item 9 (the App-level
-invalid-payload swallow) is also unwritten, *and* was cited as existing coverage
-in a retired assertion's justification.
-
-The minimum this needs before landing: a dual-kind theory over `OnPosition`
-covering at least far-commit, teleport-commit, near, airborne, and
-null-classification, asserting on the projectile half that no `RemoteMotion`
-exists afterward, no generic wire-pose write occurred, and the render entity's
-position **and** `ParentCellId` agree with the resolved body — that last
-assertion alone would have caught A1.
diff --git a/docs/research/2026-08-04-c4-route-5-contract.md b/docs/research/2026-08-04-c4-route-5-contract.md
deleted file mode 100644
index db24c95f..00000000
--- a/docs/research/2026-08-04-c4-route-5-contract.md
+++ /dev/null
@@ -1,804 +0,0 @@
-# C4 route 5 — projectile authoritative placement: pinned contract (2026-08-04)
-
-**Scope:** make the post-residence accepted Position for a live projectile
-canonical — classify it through the shared route classifier, execute the
-placement dispositions through the one Runtime placement owner
-(`RuntimeRemotePlacementDriveController` / `RuntimeSetPositionState`), and
-delete the bespoke `ApplyAuthoritativePosition` authority that today
-short-circuits a missile packet before the classifier ever sees it.
-
-Pinned at HEAD **`30d3d114`**, clean tree, branch
-`claude/acdream-physics-divergence-5aa784`. **Line numbers in this contract
-are as-of `30d3d114` and WILL go stale; every citation also names the symbol —
-trust the symbol** (process rule 6; line ranges went stale twice within single
-review rounds during 4b-2/4b-3, and this route's own scoping doc is the third
-demonstration).
-
-Predecessor documents, binding where they still apply:
-
-- [`2026-08-04-c4-route-5-scoping.md`](2026-08-04-c4-route-5-scoping.md) —
- the research base. **Its file:line references predate the OnPosition
- collapse (`edc911b0`) and the #315 fix (`aaf0811f`) and are stale; §10 of
- this contract lists every claim the collapse invalidated or reshaped.** Its
- retail research (§2), prediction analysis (§4), and trap list (§7) survive
- and are folded in below, re-verified.
-- [`2026-08-04-onposition-collapse-contract.md`](2026-08-04-onposition-collapse-contract.md)
- — the unified remote tail this route dispatches AHEAD of (never into). Its
- §7 non-goal ("Route 5 will add its arm against the collapsed single path —
- that is the payoff, not the scope") is cashed out here.
-- [`2026-08-04-c4-route-4b-3-contract.md`](2026-08-04-c4-route-4b-3-contract.md)
- — its 13 "must REMAIN true" invariants and the D4 constraint-arm partition
- still bind; §5 below extends the partition with the projectile column.
-- The four 4b-3 review rounds
- ([retail](2026-08-04-c4-route-4b-3-retail-review.md) /
- [round 2](2026-08-04-c4-route-4b-3-retail-review-round2.md) /
- [architecture](2026-08-04-c4-route-4b-3-architecture-review.md) /
- [round 2](2026-08-04-c4-route-4b-3-architecture-review-round2.md)) — the
- recurring defect classes (a mapping written against one caller's reachable
- set; an invariant satisfied on one arm only; a register row asserting
- behaviour the code does not have; a mismapped retail action with the
- faithful port already in-tree; tests that assert only negatives) are each
- addressed by name below.
-- [`2026-08-04-session-handoff-c4-remaining.md`](2026-08-04-session-handoff-c4-remaining.md)
- — the six process rules apply verbatim.
-- [`docs/plans/2026-08-02-placement-cutover.md`](../plans/2026-08-02-placement-cutover.md)
- — C4 route list; route 5 is "projectile authoritative".
-
-**Sequencing:** 4b-2 (`7f1c1f5a`), 4b-3 (landed, gate passed), the collapse
-(`edc911b0`), and #315 (`aaf0811f`) are all in. The scoping's "route 5 lands
-after 4b-2, preferably after 4b-3" constraint is satisfied; route 5 is next.
-
----
-
-## 0. Facts settled before this contract — do not re-litigate
-
-1. **Route 5 is half shipped.** The Create half
- (`RuntimeInitialCreateResidenceState.Begin` decides
- `RuntimePositionEntityKind.Projectile` from
- `record.FinalPhysicsState & PhysicsStateFlags.Missile`, `:591-595`) and
- the residence-window Position half
- (`RuntimeInitialCreateContinuationExecutor.ApplyPositionAction:1874`,
- kind recovered via `EntityKindOf:2571-2581`, one shared
- `RuntimeAcceptedPositionRouteRequests.Build` at `:1914-1926`) are
- canonical. What remains is exactly one thing: the accepted Position
- arriving AFTER the residence window, short-circuited before the
- classifier.
-2. **NO LIVE GATE IS POSSIBLE.** ACE never sends `UpdatePosition` for a
- missile. Re-verified at HEAD:
- `references/ACE/Source/ACE.Server/WorldObjects/WorldObject_Tick.cs:333-334`
- is `/*if (PhysicsObj.IsGrounded) SendUpdatePosition();*/`, inside the
- branch gated on `(PhysicsObj.State & PhysicsState.Missile) != 0` at
- `:265`. Projectile classes broadcast `GameMessageVectorUpdate` and
- `GameMessageSetState` on impact — never a Position. **This slice is
- test-gated only** (§8). No connected gate is invented; if the implementer
- finds evidence contradicting this, STOP and report — it changes the
- slice.
-3. Route 5 had to land after 4b-2 because it widens
- `RuntimeRemotePlacementDriveController.OwnsPlacement`. Done; see §3.
-
----
-
-## 1. Site inventory — re-located at `30d3d114`
-
-Every site verified by reading at HEAD, not inherited from the scoping.
-
-### 1.1 The duplicate authority to delete (the same three sites; new lines)
-
-| # | site (symbol) | at HEAD | what it is |
-|---|---|---|---|
-| D1 | `LiveEntityNetworkUpdateController.OnPosition` — the projectile short-circuit (`_projectileController?.ApplyAuthoritativePosition(...) == true → return`) | `:2104-2125` (was `:1428-1448`) | Sits after `_movementTruthDiagnostics.OnServerEcho` (`:2103`) and BEFORE the remote classification (`earlyRemoteRoute`, `:2150-2158`), `TryApplyGenericRemoteRenderPose` (`:2160`), `RebucketLiveEntity` (`:2190`), and the whole `update.Guid != _playerServerGuid` RemoteMotion tail (`:2234` on). Carries the fabricated `acceptedSpawn.Physics?.Velocity ?? System.Numerics.Vector3.Zero` at `:2119-2120` (was `:1442-1443`). |
-| D2 | `ProjectileController.ApplyAuthoritativePosition` (two overloads + doc) | `:492-590` (unchanged) | Validation (the `return true` swallow on invalid payload at `:551-554`), `ExternalOwnerValid` closure, render-pose acknowledgement (`:583-586`), delegation to the Runtime updater. |
-| D3 | `RuntimeProjectilePhysicsUpdater.ApplyAuthoritativePosition` | `:301-424` (unchanged) | The real authority: `InvalidatePrediction` `:342`, `body.Orientation` `:345`, `body.SnapToCell` `:346`, `body.State = record.FinalPhysicsState` `:347`, the velocity commit `:348-358`, `CommitProjectileCell` `:370-381`, the presentation acknowledgement `:387`, the spatial/hidden `InWorld`/`Activate`/shadow-sync/suspend tail `:390-422`. |
-
-Raw total 244 lines; roughly 180 non-comment — the scoping's figure holds.
-
-### 1.2 The Runtime surfaces route 5 builds against
-
-| site (symbol) | at HEAD | relevance |
-|---|---|---|
-| `RuntimeAuthoritativePositionRouteClassifier` — `RuntimePositionEntityKind.Projectile` | `:13`; `ValidEntityKind:535-538`; `OperationKind` switch `:564-575` (Projectile → `ProjectileAuthoritative` at `:572-573`) | The kind's ONLY behavioural effect in the classifier is the `OperationKind` mapping. `ClassifyAcceptedPosition` (`:308-478`): the single kind branch is `LocalPlayer` (`:349`); Projectile and Remote are byte-identical in disposition, flags, `StopInterpolating`, `TeleportHookPhase`, and `ConstrainPhase` — teleport/cell-less `:404-421`, `NoPositionOperation` `:430-448`, near-`Interpolate`/far-`SetPositionSimple` `:459-477`. Pinned by `RuntimeAuthoritativePositionRouteClassifierTests.ProjectilePosition_UsesRemoteMoveOrTeleportClassification` (`tests:418-436`). |
-| `RuntimeEntityObjectLifetime.ClassifyRemoteAcceptedPosition` | `:617-659`; **hardcodes `RuntimePositionEntityKind.Remote` at `:642`** (was `:622`) | The one production remote-Position classification entry; feeds D1's `PreMergeCommittedCellId` (`:634`). Trap T4's site. |
-| `RuntimeRemotePlacementDriveController.OwnsPlacement` | `:520-524` (was `:274-278`) | `OperationKind is RemoteAuthoritative && Disposition is SetPosition or SetPositionSimple && Teleport flag` — **excludes `ProjectileAuthoritative`**. The widening target. |
-| `RuntimeRemotePlacementDriveController.TryExecuteAcceptedRemotePosition` | `:619-667` | Kind-agnostic body: stale-pending self-heal, `CanAttemptDestination` pre-flight → `Refused`, `TryBeginExclusiveAuthoredPlacement(record, version, route.OperationKind)` → `SubmitAndResolve`. Gated only by `OwnsPlacement`. |
-| `RuntimeRemotePlacementDriveController.ApplyAcceptedRemoteFarSnap` / `ApplyAcceptedRemoteTeleport` | `:760-784` / `:821-843` | **Both REQUIRE a `RemoteMotion` parameter and THROW unless `OwnsFarSnap` / `OwnsTeleportPlacement` own the route.** Not usable for projectiles — see §2. `StoreAcceptedDestinationPose` (`:845` on) writes the CANONICAL body and is reusable. |
-| `RuntimeRemoteTeleportPosition.OwnsTeleportPlacement` | `:38-46` | **NEW since the scoping** (4b-3). Gates on `OperationKind: RemoteAuthoritative` — a projectile teleport-classified route is NOT owned. |
-| `RuntimeRemoteFarSnapPosition.OwnsFarSnap` / `ResolveArm` | `:85-95` / `:137-148` | **NEW since the scoping** (4b-2). Same `RemoteAuthoritative` gate; a projectile far route would resolve `UnroutedCatchUp` → `ApplyInterpolate` against a RemoteMotion that does not exist. |
-| `RuntimeRemoteSteadyStatePosition.TryArmConstraintAfterOperation` | `:240-259` | Requires `remote.Host` (an `EntityPhysicsHost`). A projectile has none. |
-| `RuntimeSetPositionState.TryBeginExclusiveAuthoredPlacement` / `TryPrepareAndSubmitAuthoredPlacement` | `:1817-1861` region | `operationKind` is a pass-through parameter; the placement pipeline is kind-agnostic. **Caveat for the implementer:** two internal operation constructors stamp `Kind = RemoteAuthoritative` outright (`:3833/:3866` — the window-departure park constructor; `:5338/:5350` — the legacy-direct withdrawal shape), and the direct-command gate at `:5445-5446` admits local kinds only. Proof obligation P3 (§6) covers these. |
-| `RuntimePhysicsState.CommitProjectileCell` | `:1376-1397` | NOT a bypass — routes into the shared `CommitCanonicalCell` with an exact-owner check including `PredictionAuthorityVersion`. The 2026-08-02 inventory's "ad hoc" label remains wrong (scoping already corrected this; re-verified). |
-| `RuntimeProjectile` | `RuntimeProjectile.cs` (whole file) | `{ Body, CollisionSphere, PredictionAuthorityVersion, InvalidatePrediction() }`. No Host, no PositionManager, no InterpolationManager, no MovementManager. `RuntimeEntityRecord.Projectile` is the canonical slot (J5.6). |
-| `RuntimeProjectilePhysicsUpdater` — quantum + Vector/State channels | `TryBegin`/`Complete` `:37-205`; `ApplyAuthoritativeVector` `:207-250`; `ApplyAuthoritativeState` `:252-299` | Out of scope (invariants 4/5). `InvalidatePrediction` is bumped at exactly `:241`, `:272`, `:342` — the sole cancellation mechanism for a split quantum (trap T3). |
-| First-entry admission | `RuntimeRemoteFirstEntryState.cs:311-314` | Admits `RemoteAuthoritative or ProjectileAuthoritative`. Untouched. |
-| Continuation-executor non-SetPosition gap | `RuntimeInitialCreateContinuationExecutor.cs:2019-2026` | `Interpolate`/`NoPositionOperation`/`AwaitFreshPosition` → typed trace + return ("Binding to the live interpolation owner is cutover work"). §3 D-P4 resolves the projectile half of that gap (no-op by policy); the REMOTE half stays open — do not touch. |
-
-### 1.3 App-side context (dispatch site + presentation)
-
-| site (symbol) | at HEAD | relevance |
-|---|---|---|
-| `OnPosition` shared prologue | `:1891-2103` | Authority gate + merge (`TryAcceptPosition`, `:1902`) — so `AcceptedPhysicsTimestamps.PreMergeCommittedCellId` is already measured for missile packets; hydration recovery; `EnsureWorldOrigin`; world-pos translation; `MarkLiveOwnerPoseDirty` (`:2068`); `OnServerEcho` (`:2103`). All runs for missiles today and keeps running. |
-| `ProjectileController.CanAcceptPositionPayload` | `:102-126`, called unconditionally at `:1898-1901` (was `:1205-1208`) | The SHARED admission validator (returns true for non-projectiles); an invalid missile payload already fails the authority gate before the short-circuit. NOT a deletion target. |
-| Unified remote tail (post-collapse) | `:2234-2810` | One guid-blind path; two named guid survivors (TS-44 sticky `:2537-2546`; the #316-preserved player `AirborneSnap` interp-clear/shadow-skip `:2581-2632`, `:2795-2809`). **Route 5 must not touch any of it.** |
-| `RunRemoteArmTail` / cached #315 callbacks | `:1427-1463`, `_remoteArmCallbacks` backing methods `:1474-1492` | The allocation pattern to follow if the projectile arm needs any callback: cached delegates + scratch fields, never per-packet closures. |
-| `TryApplyGenericRemoteRenderPose` | `:1010-1025`, called `:2160` | Gate is `OwnsSteadyState`. The projectile arm dispatches BEFORE this call (§3 D-P6) — a missile packet takes no early wire-pose write today and must not start taking one. |
-| `ProjectileController.Tick` / `AdvanceQuantum` / `TryBeginQuantum` / `CompleteQuantum` / `IsCurrentQuantumIdentity` | `:640-766` / `:773-782` / `:784` / `:822-848` / `:850-859` | The per-quantum owner. Untouched. |
-| `LiveEntityAnimationScheduler` split quantum | `src/AcDream.App/Rendering/LiveEntityAnimationScheduler.cs:404-426` | `TryBeginQuantum` `:405-409` … `_animationHooks.Capture` … `CompleteQuantum` `:419-423`. The straddle window trap T3 protects. Untouched. |
-| `ProjectileController.TryBind` + create branch | `:133-330`; late-classification path `ApplyAuthoritativeState → TryBind` `:473-489`; projection-visible retry in `OnProjectionVisibilityChanged` `:860-897` | Still the live fallback for `initialResidenceActive == false` (`DatLiveEntityProjectionMaterializer.cs:848-865` — note: `src/AcDream.App/Rendering/`, not `World/`) and the mid-life Missile-bit flip. **NOT deleted here** (trap T8; C5's deletion pass owns it). |
-| `ProjectileController.HandlesMovement` | `:599-602` | The Missile-bit ownership predicate the kind discriminator must agree with (§3 D-P1). |
-
----
-
-## 2. How the OnPosition collapse changed route 5's shape
-
-The scoping assumed route 5 would rewrite call sites inside two parallel
-player/NPC copies of the remote tail. The collapse (`edc911b0`) replaced them
-with **one unified, RemoteMotion-shaped path** plus two surviving named
-guid-conditionals. Consequences, stated precisely:
-
-1. **Route 5 touches the unified tail NOT AT ALL.** The projectile arm
- dispatches from `OnPosition` at (approximately) the current
- short-circuit's site — after the shared prologue, BEFORE
- `TryApplyGenericRemoteRenderPose`, `RebucketLiveEntity`, and the
- `update.Guid != _playerServerGuid` block — and returns. A missile packet
- must never reach `GetOrCreateRemoteMotionRuntime`,
- `SeedRemoteSpawnPlacement`, `TryCommitAuthoritativeVelocity`, the sticky
- gate, `RunRemoteArmTail`, the arming site, the wire-cell adopt, or the
- remote entity-sync/shadow tail. The entire tail assumes a `RemoteMotion`;
- a projectile has none, and creating one is exactly the "second body or
- interpolation owner" the current short-circuit's comment exists to
- prevent.
-2. **The "two copies to widen" work item is gone.** The scoping's §8 line
- item "App call-site rewrite in OnPosition … 40-70 lines" shrinks to ONE
- dispatch site. This is the collapse's payoff for route 5.
-3. **Three ownership predicates now fence projectiles out, not one.** The
- scoping knew only `OwnsPlacement` (§5.2). Since then 4b-2/4b-3 added
- `OwnsFarSnap` and `OwnsTeleportPlacement`, both gated on
- `OperationKind: RemoteAuthoritative`, and both remote arm methods
- (`ApplyAcceptedRemoteFarSnap` / `ApplyAcceptedRemoteTeleport`) THROW on a
- non-owned route and REQUIRE a `RemoteMotion`. Consequence: **only
- `OwnsPlacement` is widened; the other two predicates and the two remote
- arm methods are deliberately NOT widened and NOT reused** — the
- projectile arm is a sibling seam over the shared
- `TryExecuteAcceptedRemotePosition` + `StoreAcceptedDestinationPose` core
- (§3 D-P2). The bright side: a mis-routed projectile packet now fails
- loudly (throwing guards) instead of silently taking a RemoteMotion arm.
-4. **The two surviving guid-conditionals are off-limits.** TS-44's sticky
- gate and the #316-preserved player `AirborneSnap`
- interp-clear/shadow-publish skip are named, contract-protected
- asymmetries of the collapse. Route 5 has no business near either.
-5. **#315's callback pattern binds new code.** The collapse's second commit
- cached the remote-arm callbacks; the projectile arm must not reintroduce
- per-packet closures on the packet path (the projectile hook reduction in
- D-P4 needs at most a method-group/cached delegate).
-
----
-
-## 3. Design decisions — pinned, not open for redesign
-
-### D-P1 — one per-packet kind discriminator, derived where the classification already runs (resolves trap T4)
-
-`RuntimeEntityObjectLifetime.ClassifyRemoteAcceptedPosition:642` stops
-hardcoding `RuntimePositionEntityKind.Remote` and derives the kind from the
-canonical record:
-
-```
-(canonical.FinalPhysicsState & PhysicsStateFlags.Missile) != 0
- ? RuntimePositionEntityKind.Projectile
- : RuntimePositionEntityKind.Remote
-```
-
-This is the SAME data-driven predicate the Create half uses
-(`RuntimeInitialCreateResidenceState.cs:591-595`), the same one
-`EntityKindOf` recovers from the lease, and the same bit
-`ProjectileController.HandlesMovement` keys movement ownership on —
-data-driven, never display-name-gated (feedback_retail_dispatch_is_data_driven).
-The App dispatch in `OnPosition` branches on the SAME underlying fact:
-pinned, the App reads `route.OperationKind is ProjectileAuthoritative` off
-the returned route wherever a route exists, and for the null-classification
-case reads one `FinalPhysicsState & Missile` test on the same canonical
-record in the same packet — so the classifier's kind and the App's dispatch
-cannot disagree (a mis-tag is otherwise silent, because the dispositions are
-identical for the two kinds; only the ledger/owner would be wrong).
-
-The mid-life bit flip is thereby handled by construction: ACE clears Missile
-on impact (a State packet), and `ApplyAuthoritativeState → TryBind` is where
-an ordinary object becomes a missile. Whichever `FinalPhysicsState` the
-packet's merge left on the canonical record decides the packet's arm; the
-adopted-body case (a missile that also carries a `RemoteMotion`) follows the
-Missile bit exactly as `HandlesMovement` already does, and the untouched
-`RemoteMotion` is simply not written by that packet.
-
-Route-1 semantics are untouched: the residence/continuation callers already
-pass an explicit kind; only the remote PositionEvent entry changes its kind
-input. The classifier itself does not change at all.
-
-### D-P2 — the projectile execution seam: one controller, shared core, no RemoteMotion
-
-New Runtime seam on the EXISTING `RuntimeRemotePlacementDriveController`
-(never a sibling controller, never a second pending map — trap T9), shape at
-the implementer's discretion but pinned in behaviour:
-
-`ApplyAcceptedProjectilePosition(RuntimeEntityRecord record, in RuntimeAuthoritativePositionRoute route)`
-(reads `record.Projectile` internally), which:
-
-1. **Validates ownership** — the route's `OperationKind` is
- `ProjectileAuthoritative`; `record.Projectile` and `record.PhysicsBody`
- exist and agree (`ReferenceEquals(record.PhysicsBody, projectile.Body)` —
- the J5.6 canonical-body identity). Anything else: return
- `NotApplicable`-equivalent, write nothing.
-2. **Dispatches on disposition:**
- - `SetPosition` (teleport / cell-less): run the projectile hook reduction
- (D-P4) BEFORE the placement, then `InvalidatePrediction()`, then
- `TryExecuteAcceptedRemotePosition(record, route)` (now
- `OwnsPlacement`-admitted, D-P3), then `StoreAcceptedDestinationPose` on
- the `StoresAcceptedDestination` partition — the partition itself is
- extended UNCHANGED (4b-3 invariant 1; do not re-litigate which statuses
- store).
- - `SetPositionSimple` (far): `InvalidatePrediction()` →
- `TryExecuteAcceptedRemotePosition` → store on the same partition. No
- interp clear (no queue exists; retail's own far-branch
- `StopInterpolating` is guarded on `position_manager != 0`
- @0x005163C9-@0x005163CB and a never-interpolated missile has none, so
- the skip is retail-faithful by consequence, not a divergence).
- - `Interpolate` (near, in contact): **no-op by pinned policy** — see
- D-P4. No body write, no prediction invalidation (nothing changed).
- - `NoPositionOperation` (airborne): no-op — retail's `return 0`
- @0x0051636D, faithful. No prediction invalidation.
-3. **Invalidates prediction before ANY body write on this route** — the
- placement path and the store fallback both clobber the body retail-side
- of an in-flight split quantum (trap T3). One `InvalidatePrediction()` at
- the seam's placement dispatch (before Begin) covers both, mirroring
- today's `:342`-before-`SnapToCell` ordering. The no-op dispositions do
- NOT invalidate: the body is untouched, so a straddling quantum completing
- is correct, and the Vector/State channels' invalidate-on-write semantics
- stay coherent.
-4. **Commits NO velocity** (D-P5).
-5. **Arms NO constraint leash** (D-P4).
-
-The post-commit lifecycle tail — `InWorld`/`Activate`/shadow-sync on
-spatial+visible, suspend on spatial+hidden, deactivate+suspend on
-non-spatial (today's `RuntimeProjectilePhysicsUpdater.ApplyAuthoritativePosition:390-422`)
-— is preserved semantically on the committed/stored outcomes. Whether it
-lives in the new seam or stays a small retained method on the projectile
-updater is the implementer's choice; pinned is that it remains
-Runtime-owned (J5.6 boundary, invariant 6) and keyed on the same
-spatial/hidden facts.
-
-App keeps exactly what J5.6 assigns it: the presentation acknowledgement.
-`OnPosition`'s projectile dispatch (D-P6) projects the committed/stored
-snapshot into the render entity (`SetPosition`/`Rotation`/`ParentCellId`
-from the RESOLVED body) and `_rootPoses.UpdateRoot` — the same ack contract
-`ProjectileController.ApplyAuthoritativePosition:583-586` performs today.
-No `RebucketLiveEntity` on this arm (the canonical placement/cell commit is
-the cell authority, exactly as the per-quantum commit is today; adding the
-remote tail's bucket transaction here would be a new second writer).
-
-### D-P3 — the `OwnsPlacement` widening, and every consequence
-
-`RuntimeRemotePlacementDriveController.OwnsPlacement:520-524` first clause
-widens to
-`route.OperationKind is RuntimeSetPositionOperationKind.RemoteAuthoritative or RuntimeSetPositionOperationKind.ProjectileAuthoritative`
-(+ doc update). Consequences, each pinned:
-
-- **`TryExecuteAcceptedRemotePosition` admits projectile routes.** The
- Teleport-flag conjunct keeps excluding Creates (the first-entry conductor
- owns every Create — unchanged; a projectile Create carries
- `InitialCreateFlags`, an accepted Position carries `0x1012`).
-- **Pending/acknowledgement ledgers are shared.** Projectile operations land
- in the same `_pending` / `_awaitingAcknowledgement` maps; `DetachRoute`'s
- cancel-then-clear teardown and `CountLivePending`'s self-heal cover them
- with zero new code. No parallel map, no sibling controller (T9).
-- **Parks/refusals behave exactly as the remote arms'** (4b-3 invariant 3
- extended): `Refused` (pre-flight) and `Contention`/`RejectedPreparation`
- store the accepted destination; `DeferredCell` is cancelled synchronously
- with `restoreCancelledPark: true` — no park survives the controller;
- `RejectedByPlacement` does not store. The projectile body stays `InWorld`,
- clock active, spatially projected on every non-commit outcome.
-- **`OwnsFarSnap` and `OwnsTeleportPlacement` are NOT widened** (§2 item 3).
- Their throwing guards and the two RemoteMotion-shaped arm methods are
- untouched. State this in their docs only if a comment would otherwise
- mislead (process rule 6).
-- **The constraint arm:** see D-P4. The classifier's projectile routes carry
- `ConstrainPhase.AfterPositionOperation` (kind-blind, `:417`/`:473`); the
- projectile arm deliberately does not consume it. No change to the
- classifier; the deviation is recorded (D-P7).
-- **The interp queue:** nonexistent for projectiles;
- `StopInterpolating: !nearby` on the far route is inert and
- retail-faithfully so (D-P2).
-- **`CommittedHostAcknowledgementPending`:** a committed placement can enter
- `_awaitingAcknowledgement` (`:1062-1076`). Whether the graphical host's
- projection-acknowledgement chain retires a `ProjectileAuthoritative`
- commit identically is proof obligation P2 (§6) — verify, do not assume.
-
-### D-P4 — retail's manager actions, reduced to what a missile has (resolves scoping §5.1; answers the constraint-arm question)
-
-**Retail's mechanical answer, verified in the decomp (§4): YES, retail would
-arm the leash for a missile.** `SmartBox::HandleReceivedPosition` @0x00453FD0
-has NO kind test other than `arg2 != this->player` (@0x0045414D); every
-nonzero `MoveOrTeleport` return reaches `ConstrainTo` @0x00454272; and
-`CPhysicsObj::ConstrainTo` @0x00510520 calls `MakePositionManager`
-(@0x00510523) — creating the manager on demand for any object, missile
-included — after which `UpdateObjectInternal` ticks it
-(`PositionManager::UseTime` @0x005159A9-@0x005159B3). Likewise retail's near
-branch (`InterpolateTo` @0x005163AF, with `IsMovingTo` @0x0050EB10 returning
-0 for a manager-less missile) would build interpolation machinery for it.
-
-**acdream pins the divergence instead of the machinery.** Building an
-`EntityPhysicsHost`/`PositionManager`/`InterpolationManager` chain for a
-ballistic body — for a packet ACE never sends — is the route-5b split the
-scoping warned against, and this contract REJECTS it. Pinned:
-
-- The projectile arm **never arms `ConstrainTo`** — on any disposition, any
- outcome.
-- The near-`Interpolate` disposition is a **no-op** (no queue to feed, no
- manager to create).
-- Both are recorded in ONE new register row (D-P7) citing @0x00454272,
- @0x00510523, @0x005163AF, and the ACE unreachability
- (`WorldObject_Tick.cs:333-334`).
-
-**The teleport hook, reduced.** Retail's teleport/cell-less branch runs
-`teleport_hook` @0x00514ED0 before the placement — six actions, each guarded
-on its manager existing. For a pure missile, five of six are structurally
-absent (`MovementManager`/`PositionManager`×3/`TargetManager` are null →
-retail no-ops through the guards). The sixth,
-`report_collision_end(this, 1)` @0x00514F31 → @0x00514620 (force-end-all
-with bidirectional notification), applies to ANY object with a collision
-table. **Pinned: the projectile teleport/cell-less arm runs the faithful
-force-end port — `RuntimeCollisionReportingState.LeaveWorld` (the exact seam
-the 4b-3 R2 fix validated against @0x00514620, round-2 retail review §2) —
-before the placement.** Omitting it would recreate R2's defect class with the
-faithful port sitting unused in-tree. The other five actions execute iff
-their owning component exists — for the adopted-body case (a missile that
-carries a `RemoteMotion`), the existing hook actions' per-manager guards
-already express retail's shape; the implementer wires this without
-per-packet closures (#315 pattern). For the ordinary arrow/bolt they are
-no-ops by the same guards retail uses.
-
-**Null / `Rejected*` classifications for a missile packet: swallow.** Write
-nothing, create nothing, return — never fall through to the remote tail
-(preserving trap T5's semantics: today an unhandleable projectile packet is
-swallowed, not re-routed). The remote `UnroutedCatchUp` policy is
-RemoteMotion-shaped and does not apply. This is an acdream-only state
-(retail rejects nothing here); it rides in the same register row.
-
-### D-P5 — no velocity write from a Position packet (retires the zeroing defect)
-
-Retail's `MoveOrTeleport` declares `arg5 = AC1Legacy::Vector3 const*` and
-never references it in the decompiled body (@0x00516330-@0x00516438,
-re-verified for this contract); `HandleReceivedPosition` threads its `arg6`
-into it (@0x00454254) and does nothing else with it; `UnpackPositionEvent`
-@0x004542C0 performs no `set_velocity`. Velocity authority for a missile is
-the Vector channel (0xF74E / `ApplyAuthoritativeVector`), untouched here.
-
-**Pinned: the projectile arm consumes no velocity from the Position packet.**
-This deletes the `acceptedSpawn.Physics?.Velocity ?? Vector3.Zero`
-fabrication (`:2119-2120`) and the updater's conditional commit
-(`:348-358`), retiring the (never-filed) defect where a velocity-less
-Position packet zeroes an in-flight missile's velocity. Because "textually
-unreferenced" is strong-but-not-byte-confirmed (BN elision risk, scoping
-§9.2), **the implementer byte-verifies 0x00516330-0x00516438 for any `arg5`
-use before landing** (`tools/pdb-extract` PE byte-decode against the paired
-`refs/acclient.exe` — the `reference_pe_byte_decode.md` recipe). If a use is
-found: STOP and report — the velocity policy changes.
-
-### D-P6 — the App dispatch site and ordering
-
-In `OnPosition`, the D1 short-circuit is replaced in place by:
-
-```
-classify (kind-aware, D-P1) // one call, both kinds —
- // replaces the :2150 remote-only call
-if the packet is a missile packet (D-P1's discriminator):
- dispatch the projectile arm (D-P2) and RETURN // before TryApplyGenericRemoteRenderPose,
- // before RebucketLiveEntity,
- // before the RemoteMotion tail
-else: the unified remote tail runs UNCHANGED // earlyRemoteRoute now comes from
- // the same classification call
-```
-
-Pinned facts of this shape:
-
-- The projectile arm takes **no early wire-pose write**
- (`TryApplyGenericRemoteRenderPose` is never reached — matching today,
- where the short-circuit precedes it) and **no `RebucketLiveEntity`**.
- Presentation advances from the RESOLVED body via the ack (D-P2), exactly
- as the per-quantum path does.
-- The shared prologue (authority gate/merge, hydration, world origin,
- `MarkLiveOwnerPoseDirty`, `OnServerEcho`) runs for missiles exactly as
- today — the dispatch sits at/after the current short-circuit's position.
-- The classification for a REMOTE packet is byte-identical to today's
- (`Remote` kind in → same route out); only its call site may merge with the
- projectile classification. Zero remote-classifier test changes is the
- regression tripwire (§8 stop condition).
-
-### D-P7 — register and issue bookkeeping, in the implementation commit
-
-- **ONE new AP row** (projectile accepted-Position divergences): (a)
- near-`Interpolate` is a no-op where retail would `InterpolateTo` a
- manager-on-demand missile (@0x005163AF, @0x00510523); (b) the
- post-operation `ConstrainTo` @0x00454272 is never armed for a projectile
- (no PositionManager machinery exists for a ballistic body); (c)
- null/`Rejected*` missile packets are swallowed rather than caught up (no
- RemoteMotion); with the shared context that ACE never emits the packet
- (`WorldObject_Tick.cs:333-334` commented out inside the Missile branch) so
- every half is test-gated. Note in the row that the far branch's
- `StopInterpolating` skip is NOT part of the divergence — retail's own
- `position_manager != 0` guard @0x005163C9 skips it for a never-interpolated
- missile.
-- **No row deletion:** the velocity-zeroing defect being retired was never
- filed; record its retirement in the commit message (and this contract),
- not the register.
-- **Comment corrections (process rule 6):** the D1 site's comment block
- ("Missiles reconcile the same predicted PhysicsBody in place…",
- `:2104-2108`) dies with the short-circuit; `RuntimeProjectilePhysicsUpdater`'s
- class doc and any "Position correction" references are re-verified against
- the new seam; `RuntimeEntityObjectLifetime.ClassifyRemoteAcceptedPosition`'s
- doc gains the kind-derivation sentence. Grep for `ApplyAuthoritativePosition`
- across `src/` and `docs/architecture/` and re-point every survivor.
-- **ISSUES.md:** none closed by this slice (#315 already closed; #316 stays
- OPEN and untouched).
-
----
-
-## 4. Retail ground truth — verified in `acclient_2013_pseudo_c.txt` for this contract; verify again yourself
-
-| claim | where verified | status |
-|---|---|---|
-| **Retail has NO projectile-specific branch anywhere in the accepted-Position chain.** `UnpackPositionEvent` @0x004542C0 resolves the object and calls `HandleReceivedPosition` @0x00454358 with no state/kind test; `HandleReceivedPosition` @0x00453FD0's only kind branch is `arg2 != this->player` @0x0045414D; `MoveOrTeleport` @0x00516330 tests TELEPORT_TS, `this_1->cell == 0` (the body's OWN cell, read at entry), `arg4`, and `player_distance` — never `state & Missile`. A missile takes the identical remote arm. | pseudo-C lines 92896-93054 (HandleReceivedPosition), 93055-93098 (UnpackPositionEvent), 284304-284366 (MoveOrTeleport); independently confirmed twice by the 4b-3 reviews | ✓ re-read |
-| Teleport/cell-less branch: `teleport_hook` @0x005163EF → `SetFlags(0x1012)` @0x00516414 → `SetPosition` @0x00516420 → `return 1` @0x00516438; decided before `arg4` is read @0x0051638E | same listing | ✓ |
-| Near branch: `InterpolateTo(this, arg2, IsMovingTo(this))` @0x005163AF, `return 1` @0x005163BE; `IsMovingTo` @0x0050EB10 returns 0 without a `MovementManager` (a missile has none) | lines 276430-276440 | ✓ |
-| Far branch: `StopInterpolating` ONLY if `position_manager != 0` @0x005163C9-@0x005163CB; `SetPositionSimple(this, arg2, 1)` @0x005163D9 (builds `0x1012`); `return 1` @0x005163E8 | same listing | ✓ |
-| Airborne: `arg4 == 0` → `return 0` @0x0051636D — nothing written, and `ConstrainTo` skipped (it sits inside `if (MoveOrTeleport(...) != 0)` @0x00454254) | same | ✓ |
-| **`ConstrainTo` @0x00510520 = `MakePositionManager` @0x00510523 then `PositionManager::ConstrainTo`** — retail creates the manager on demand for a missile; the single remote arming site @0x00454272 has no kind test. So retail WOULD arm a missile's leash on any nonzero return. | lines 278353-278364 | ✓ — the basis of D-P4's recorded divergence |
-| `PositionManager::UseTime` ticks in `UpdateObjectInternal` @0x005159A9-@0x005159B3 for any object holding a manager — an armed missile leash would be live, not vestigial | lines 283611-283757 | ✓ |
-| `player_distance` is maintained for missiles: `update_object` @0x00515D10 computes `player_vector` via `Position::get_offset` @0x00515D5B and stores `player_distance` @0x00515D95 for every active unparented in-cell object. (BN artifact: the decomp shows only `.x` feeding it @0x00515D7B — the standard x87-elision of a magnitude; do NOT "fix" acdream's Euclidean distance to `.x`.) | lines 283950-284055 | ✓ |
-| `MoveOrTeleport`'s `arg5` (velocity) is textually unreferenced in the body; `HandleReceivedPosition` threads `arg6` into it and does nothing else with it; `UnpackPositionEvent` calls no `set_velocity` (the only `set_velocity` in the chain is the LOCAL player's zero @0x004541B4) | all three listings above | ✓ textual; **byte-verification required before landing** (D-P5) |
-
-**What this means for the design — stated plainly:** retail's CLIENT
-mechanically supports an authoritative missile Position (it is just the
-generic remote path), but the packet does not exist against ACE, and the
-manager machinery retail would lazily build for it does not exist in acdream
-for a ballistic body. Route 5 therefore anchors the placement dispositions to
-retail's generic remote path (faithful), and pins the manager-dependent
-halves (near-interpolate, leash) as a recorded acdream divergence — **a
-register row, not an invented retail justification** (D-P7). There is no
-evidence of any dedicated retail missile-Position path to port; anyone
-claiming otherwise must produce an address.
-
-One reporting note, out of scope but found while verifying: the remote
-prologue's comment at `LiveEntityNetworkUpdateController.cs:2296-2300`
-("PositionPack::UnPack initializes an absent velocity to zero;
-MoveOrTeleport installs that exact vector with set_velocity") is contradicted
-by the decomp read above — `MoveOrTeleport` installs no velocity. That
-comment justifies the REMOTE arm's `TryCommitAuthoritativeVelocity`, which is
-4a-owned and untouched by this slice; flagged for a future 4a-family
-correction, not acted on here.
-
----
-
-## 5. What must REMAIN true (process rule 1 — for every path, including every refusal)
-
-1. **The pose still advances on the storing partition.** A projectile
- placement that never reached the engine (`Refused` / `Contention` /
- `RejectedPreparation`) still commits the accepted destination via
- `StoreAcceptedDestinationPose`; `Deferred` and `RejectedByPlacement` do
- not. The partition is extended unchanged — not re-litigated.
-2. **Presentation still advances.** On every committed/stored outcome the
- render entity (`Position`/`Rotation`/`ParentCellId`) and the root pose
- reflect the RESOLVED canonical body, and the shadow registry is synced
- (spatial+visible) or suspended (hidden/non-spatial) exactly per the
- current tail's semantics. A projectile is never left rendered a packet
- behind its body (#312's layer — tests must assert it).
-3. **The entity stays in-world on every non-commit outcome**: `body.InWorld`,
- object clock active, `FullCellId` intact, spatial projection intact. No
- park survives the controller.
-4. **Prediction invalidation accompanies every body write on this route**
- (placement AND store fallback), before the write; an in-flight split
- quantum straddling the packet aborts at `Complete`. The no-op
- dispositions invalidate nothing. The Vector/State channels' invalidation
- sites (`:241`, `:272`) are untouched.
-5. **Per-quantum integration is untouched** (trap T7): `TryBeginQuantum` /
- `CompleteQuantum` / `AdvanceQuantum` / `CommitProjectileCell` and the
- scheduler's split quantum never route through `RuntimeSetPositionState`,
- and their allocation profile is unchanged (Slice I's 0 B/resolve
- discipline; the placement budget is per accepted packet, not per
- quantum).
-6. **J5.6's ownership boundary does not regress**: the projectile component,
- workset, stepper, and cell commit stay in Runtime; App supplies only DAT
- shape resolution and retained projection/shadow/effect acknowledgements;
- a rejected presentation acknowledgement invalidates the pending
- prediction only — it never rolls back or redirects the canonical owner,
- and never becomes collision authority.
-7. **The unified remote tail is untouched** — including
- `ApplyRemoteContactRouting`, `RunRemoteArmTail`, `ToConstraintArm`,
- `TryAdoptWireCellAfterRouting`, `ApplyWireAirborneLeftoverBookkeeping`,
- the TS-44 sticky gate, and the #316-preserved player `AirborneSnap`
- asymmetry. A missile packet never creates or writes a `RemoteMotion`.
-8. **Mutual exclusion is provable** (trap T4): one `FinalPhysicsState`
- read per packet decides both the classifier's kind and the App's
- dispatch; Missile-set ⇒ projectile arm, Missile-clear ⇒ remote tail;
- asserted by the dual-kind theories (§7).
-9. **Unhandleable missile packets are swallowed, with their bookkeeping
- stated positively** (trap T5 + round-2 B1): an invalid payload still
- fails the shared authority gate exactly as today
- (`CanAcceptPositionPayload` unchanged); a null/`Rejected*` classification
- writes nothing and falls through to NOTHING — and the test asserts what
- DID happen (the gate consumed the timestamps; the merge advanced the
- snapshot) as well as what did not.
-10. **No velocity write from the Position packet**; an in-flight missile's
- velocity survives a velocity-less packet bit-identically (the retired
- zeroing defect's converse, asserted positively).
-11. **Ledger convergence**: teardown, session reset, and generation change
- converge `RemotePlacementDrivePendingCount` (both registrations) to zero
- with projectile operations in flight — the same suite shape 4b-1 built,
- driven through the projectile arm.
-12. **`ParkCollisionResidents`'s overlap throw stays unreachable** — the
- projectile arm adds packets to the same one-operation-per-key machinery
- and opens no new operation shape; restate the argument (with 4b-1's B2
- stall-not-throw caveat) in the implementation commit.
-13. **The lost-cell reaper gains no production caller.**
-14. **The Create half and residence-window half are untouched**: the
- residence kind decision (`:591-595`), first-entry admission
- (`:311-314`), the continuation executor (including its recorded
- non-SetPosition trace gap at `:2019-2026` — the REMOTE half of that gap
- stays open and untouched), the materializer's residence-gated `TryBind`
- skip, and the projection-visible `TryBind` retry.
-15. **`TryBind` and its create branch are NOT deleted** (trap T8) — still
- the live fallback for `initialResidenceActive == false` and the mid-life
- Missile flip; C5's deletion pass owns it. Record, don't touch.
-16. **`OwnsFarSnap` / `OwnsTeleportPlacement` and the two RemoteMotion arm
- methods are not widened, not reused, not weakened** — their throwing
- guards are the loud failure mode protecting item 7.
-
-**The D4 constraint-arm partition, extended (the projectile column is the
-new content; the remote column is 4b-3's, unchanged and re-asserted):**
-
-| disposition (wire contact) | retail return | remote arm | projectile arm |
-|---|---|---|---|
-| `SetPosition` (teleport/cell-less, any contact) | 1 | arms, every placement outcome | **never arms** (register row) — hook reduction runs (force-end), placement + store partition run |
-| `SetPositionSimple` (far, grounded) | 1 | arms | **never arms** (row) — placement + store partition run |
-| `Interpolate` (near, grounded) | 1 | arms | **never arms, no-op** (row) |
-| `NoPositionOperation` (airborne) | 0 | no arm | no arm, no-op — **faithful, not a divergence** |
-| null / `Rejected*` | n/a | `UnroutedCatchUp` arms (grounded) / D2 shape (airborne) | **swallow — no arm, no write** (row) |
-
----
-
-## 6. Proof obligations (must prove, not assume; stated in the implementation commit)
-
-- **P1 — invariant 12's unreachability argument**, restated with the B2
- caveat.
-- **P2 — the commit-acknowledgement path.** Verify what acknowledges/retires
- a `ProjectileAuthoritative` commit that lands in
- `_awaitingAcknowledgement` (`CommittedHostAcknowledgementPending`,
- `RuntimeRemotePlacementDriveController:1062-1076`): either the shared
- projection-acknowledgement chain is kind-agnostic (state where), or the
- self-heal prune is the retiring mechanism (state that, and why it is
- acceptable — or route the ack explicitly). Do not let a projectile commit
- sit in a ledger dimension nothing retires.
-- **P3 — `RuntimeSetPositionState` kind-agnosticism.** Walk the operation
- lifecycle for a `ProjectileAuthoritative` operation: the two internal
- constructors that stamp `Kind = RemoteAuthoritative` (`:3833/:3866`
- window-departure park; `:5338/:5350` legacy-direct withdrawal) and any
- kind-conditional stage logic (`:1530`, `:5445`). Establish that none can
- capture, rewrite, or strand a projectile operation — or fix the stamp to
- carry the originating kind if one can. (A park constructor relabeling a
- projectile op as `RemoteAuthoritative` would silently move it between
- ledger columns — the T4 mis-tag shape at the operation layer.)
-- **P4 — the byte-decode of `MoveOrTeleport`'s `arg5`** (D-P5).
-- **P5 — the force-end wiring** (D-P4): one assertion that a teleport/
- cell-less projectile packet empties the owner's collision table (the same
- cheap observable the 4b-3 round-2 review named for R2's regression risk).
-
----
-
-## 7. Test plan
-
-Rules: assert the layer that historically broke (presentation, prediction,
-ledger — not only `InWorld`/clock); **assert positive facts, not only
-negatives** (round-2 finding B1 — every "writes nothing" test also asserts
-the two or three things that DID advance); every new test must fail against
-a broken implementation (no source-text pins).
-
-**The dual-KIND discipline** — this route's analog of the collapse
-contract's dual-guid theories, because the discriminator here is the Missile
-bit, not the guid range: every OnPosition-level scenario is a `[Theory]` run
-twice against the same packet shape — once with `FinalPhysicsState` carrying
-`Missile`, once without — asserting the projectile arm claimed one
-(projectile facts advanced; NO `RemoteMotion` exists afterward) and the
-remote tail claimed the other (`RemoteMotion` facts advanced; no projectile
-seam effect). This is what makes a future silent mis-tag fail a test.
-
-Focused Runtime tests (`tests/AcDream.Runtime.Tests`):
-
-1. **Classification kind derivation** (D-P1): Missile-bit canonical record
- classifies with `OperationKind == ProjectileAuthoritative` through the
- production `ClassifyRemoteAcceptedPosition` entry; bit-clear classifies
- `RemoteAuthoritative`; same packet, same record otherwise. Plus the
- flip-mid-life pair (bit set after a State merge → next Position
- classifies Projectile; bit cleared on impact → next Position classifies
- Remote).
-2. **`OwnsPlacement` widening**: projectile SetPosition/SetPositionSimple
- routes admitted; projectile Create (`InitialCreateFlags`) still excluded;
- remote routes unchanged (the existing OwnsPlacement expectations stay
- green untouched).
-3. **Per-disposition seam behaviour** (D-P2), one test per row of the §5
- table's projectile column: teleport/cell-less commit (body at resolved
- destination, cell committed canonically, collision table force-ended,
- prediction version advanced, tail facts per invariant 2); far commit;
- teleport/far refused (destination outside the service window → pose
- STILL advances to the accepted destination, no park retained, `InWorld`,
- prediction invalidated); `RejectedByPlacement` (pose does NOT move,
- settled pose survives); near no-op (body bit-identical, prediction
- version UNCHANGED — the positive fact that a straddling quantum may
- complete); airborne no-op (same); null/`Rejected*` swallow (nothing
- written; timestamps/merge advanced — positive).
-4. **Prediction invalidation across a split quantum** (trap T3): begin a
- quantum (`TryBeginQuantum`), apply an accepted far/teleport Position
- through the new arm, then `CompleteQuantum` — the completion must abort
- (return false / not overwrite the committed placement), and the committed
- pose must survive. This is the test the scoping said is invisible if you
- only read the classifier; it must exist before the old path is deleted.
-5. **No-velocity invariant**: an in-flight missile with nonzero velocity
- receives a velocity-less accepted far Position → body placed AND velocity
- bit-identical (the zeroing defect's regression test, positive form).
-6. **Ledger/teardown**: proof obligation-11 suite — reset/teardown with a
- retained projectile preparation retry and with an awaiting-acknowledgement
- commit in flight; both registrations converge to zero.
-7. **Constraint never armed**: after every projectile disposition, no
- `PositionManager`/constraint exists anywhere for the entity (and the D4
- partition test for remotes is untouched).
-
-App-layer tests (`tests/AcDream.App.Tests`):
-
-8. **The dual-kind OnPosition matrix** (above) for at least: far commit,
- teleport commit, near packet, airborne packet, null-classification
- packet. Projectile half asserts: no `RemoteMotion` created, no generic
- wire-pose write, no rebucket-driven bucket move beyond the canonical
- commit, render entity == resolved body (#312's layer), root pose updated,
- shadow synced/suspended per spatial state.
-9. **The invalid-payload swallow** (T5): an invalid missile Position is
- consumed (gate/validation) and the remote tail observably did not run —
- asserted positively via the gate's timestamp state.
-10. **Sabotage check (manual, once, before the commit is finalised)** — the
- collapse contract's experiment, adapted: break the seam (skip the store
- fallback, or skip `InvalidatePrediction`) and confirm the matrix fails
- on the projectile half; break the kind derivation (hardcode Remote) and
- confirm the dual-kind theories fail. If a sabotage survives, fix the
- test, not the sabotage.
-
-Existing tests: `ProjectilePosition_UsesRemoteMoveOrTeleportClassification`
-survives (it pins the disposition identity, which is unchanged); the
-`ProjectileController` position tests covering D2/D3's deleted bodies are
-re-expressed against the seam (not deleted as collateral — each scenario
-must map to a successor or be named as obsolete-with-reason in the commit).
-
----
-
-## 8. Gates
-
-- **Focused**: the §7 suites, green.
-- **Complete Release suite**:
- `$env:ACDREAM_PAK_PATH = "$env:USERPROFILE\Documents\Asheron's Call\acdream.pak"`,
- `dotnet test AcDream.slnx -c Release -m:1`. **Baseline 11,036 passed / 4
- skipped / 0 failed at `30d3d114`.** The count will rise; measure and
- record the new figure — do not inherit the baseline. Two known flakes,
- never chase and never conflate (they have been conflated twice): **#302**
- (`PortalProjectionTests.ClipToRegion_FrameOwnedStore_…`, GC-allocation
- assertion, App.Tests) and **#308** (`NakEmissionTests.LossSoak_…`,
- wall-clock deadline, Core.Net.Tests, full-suite load only). If either
- appears, re-run and say which.
-- **NO CONNECTED GATE EXISTS, and none is invented.** ACE never sends
- `UpdatePosition` for a missile (`WorldObject_Tick.cs:333-334`, commented
- out inside the `PhysicsState.Missile` branch at `:265`; every live
- `SendUpdatePosition` caller is a player/creature/pet/gamepiece/admin
- path). The accepted-Position half of this route is unreachable in play
- against ACE; deterministic tests are its ONLY gate, and this contract
- records that explicitly so a green connected session is never presented
- as evidence for it. **Optional, not a gate:** an ordinary bow/spell-bolt
- smoke (arrow spawns at the launch point, flies a clean arc, vanishes on
- impact, leaves no invisible collider at the impact point) exercises the
- UNTOUCHED Create/Vector/State halves and is cheap insurance against a
- wiring mistake in the deletion — record it as a no-regression observation
- if run, never as coverage for the Position half.
-
----
-
-## 9. Budget and stop conditions
-
-**Budget** (scoping's figures re-validated against HEAD): ~244 raw lines
-deleted across the three D-sites (~180 non-comment); added — seam 60-110,
-kind derivation + builder plumbing 5-15, `OwnsPlacement` widening + docs
-~10, App dispatch 25-50, hook-reduction wiring 10-25: **total added 110-210
-non-comment production lines; net roughly flat-to-negative.** Tests are the
-larger share, ~400-700 lines. The collapse SHRANK the App portion versus the
-scoping's 40-70 (one dispatch site, not two).
-
-**Stop and report rather than pushing through when:**
-
-1. Added production lines exceed ~300, or the design starts needing a
- `RemoteMotion`, `EntityPhysicsHost`, `PositionManager`, or
- `InterpolationManager` for a projectile — that is the 5b split this
- contract rejected; it does not get built ad hoc.
-2. The unified remote tail, `ApplyRemoteContactRouting`, either surviving
- guid-conditional, `OwnsFarSnap`/`OwnsTeleportPlacement`, or either
- RemoteMotion arm method needs an edit beyond comment repointing.
-3. Any remote-classification test changes expectation — the remote route
- must be byte-identical.
-4. Proof obligation P3 finds an operation-lifecycle site that can capture or
- relabel a projectile operation.
-5. P4's byte-decode finds a live `arg5` use in `MoveOrTeleport`.
-6. Evidence appears that ACE (or the connected environment) DOES emit a
- missile `UpdatePosition` — the gate section changes and the user decides.
-7. The complete Release suite deviates from baseline beyond the two named
- flakes.
-
----
-
-## 10. What this slice does NOT do
-
-- **AP-131** (shared merge call) — C5. **AP-135** — stays, untouched (its
- sites are the remote tail's, which this slice does not enter).
-- **#276** — untouched.
-- **#316** — the player landing block's missing shadow publish: **OPEN,
- unmeasured, and must not be "fixed" here** (it lives in the remote tail's
- preserved asymmetry; measuring it first is its own issue's requirement).
-- **`ProjectileController.TryBind` + create branch** — recorded, retained;
- C5's deletion pass (trap T8).
-- **The per-quantum stepper, Vector channel, State channel** — untouched
- (invariants 4/5).
-- **No PositionManager/interpolation machinery for projectiles** (the
- rejected 5b) and no headless remote/projectile motion consumer.
-- **No changes to routes 2/3/6/7**, the local-player paths, or the
- continuation executor's remote trace gap.
-- **The remote prologue's questionable velocity comment** (`:2296-2300`,
- §4's reporting note) — reported, not edited; it belongs to a 4a-family
- correction.
-
----
-
-## 11. Contradictions and stale claims versus the scoping — reported, not smoothed
-
-1. **Every scoping file:line in `LiveEntityNetworkUpdateController` is
- stale** (the collapse rewrote the file): the short-circuit `:1428-1448` →
- `:2104-2125`; the fabricated velocity `:1442-1443` → `:2119-2120`; the
- `CanAcceptPositionPayload` call `:1205-1208` → `:1898-1901`;
- `OwnsPlacement` `:274-278` → `:520-524`; the lifetime's kind hardcode
- `:622` → `:642`. §1 is the corrected inventory.
-2. **The scoping's central structural assumption — that route 5 rewrites
- call sites inside two parallel remote copies — is void.** There is one
- unified tail, and route 5 does not enter it at all (§2). The scoping's §8
- App-rewrite estimate shrinks accordingly.
-3. **The scoping under-counted the ownership fences.** It named only
- `OwnsPlacement` (§5.2); 4b-2/4b-3 added `OwnsFarSnap` and
- `OwnsTeleportPlacement` (both `RemoteAuthoritative`-gated) and two
- throwing, RemoteMotion-required arm methods. "The far and teleport
- branches have no handler the instant the short-circuit is removed" is
- still true, but the failure mode is now loud (throws/refusals), and the
- fix is a sibling seam over the shared core — not merely the ~10-line
- widening the scoping described.
-4. **The scoping's §5.2 sequencing warning ("that file is route 4b-2's
- active edit surface") is spent** — 4b-2/4b-3/collapse/#315 have all
- landed; route 5 has the file to itself.
-5. **The scoping's §1.1 claim that the classifier is "disposition-identical"
- for Projectile and Remote remains true at HEAD** (re-verified against the
- current classifier body and its pinning test) — the collapse changed the
- App, not the classifier.
-6. **The scoping's T5 swallow concern is narrower than written**: the
- invalid-payload swallow largely happens UPSTREAM in the shared authority
- gate (`CanAcceptPositionPayload` feeds `TryAcceptPosition`, which returns
- before the short-circuit); D2/D3's internal `return true` swallows cover
- only the origin-translated-world-position and secondary-velocity checks.
- The invariant (no fall-through to the remote path) is pinned regardless
- (§5 item 9); the mechanism the scoping described was partially stale even
- at its own HEAD.
-7. **New since the scoping and binding here:** #316 (filed by the collapse
- contract; carried untouched), #315's cached-callback pattern (binds new
- projectile wiring), and the collapse's two protected guid asymmetries.
-8. **No contradiction found in the scoping's retail research** — every §2
- claim re-verified (§4), including the ConstrainTo/MakePositionManager
- chain, the arg5 non-use (still textual-only; byte check now mandatory),
- and the ACE never-sends fact. The scoping's recommendation of §5.1
- option 2 (record the divergence, build no machinery) is adopted and
- pinned (D-P4).
-9. **One adjacent-comment defect found while verifying** (not in the
- scoping): the remote prologue's `:2296-2300` velocity justification
- contradicts the decomp (§4 note). Out of scope; reported.
diff --git a/docs/research/2026-08-04-c4-route-5-retail-review-round2.md b/docs/research/2026-08-04-c4-route-5-retail-review-round2.md
deleted file mode 100644
index 5dca63a6..00000000
--- a/docs/research/2026-08-04-c4-route-5-retail-review-round2.md
+++ /dev/null
@@ -1,418 +0,0 @@
-# C4 route 5 — projectile authoritative placement: retail-conformance review, ROUND 2 (delta)
-
-**Reviewer lens:** retail fidelity only. Delta against
-[`2026-08-04-c4-route-5-retail-review.md`](2026-08-04-c4-route-5-retail-review.md)
-(round 1, FAIL) and cross-read against
-[`2026-08-04-c4-route-5-architecture-review.md`](2026-08-04-c4-route-5-architecture-review.md)
-(A1-A11).
-
-**Subject:** the uncommitted working tree, HEAD `30d3d114`, branch
-`claude/acdream-physics-divergence-5aa784` — 1,626 insertions / 398 deletions
-across 10 files plus two untracked test files.
-
----
-
-## VERDICT: **FAIL**
-
-A narrow FAIL. Eleven of the twelve round-1/architecture findings are properly
-closed, several of them better than the fix direction I suggested. The FAIL
-rests on two MAJORs:
-
-- **B1** — the fix to my own round-1 R6 went the wrong way and introduced a
- position/cell mismatch on the stored partition. **R6 as I wrote it was
- factually wrong, and I own this**: I claimed the render cell was "left
- behind" while the position moved; it was not — `record.FullCellId` is
- already the wire cell at ack time, so the original code was self-consistent.
- Switching to the body's own cell made it inconsistent. This is a one-token
- revert.
-- **B2** — the R2/A3 adopted-body fix closed the **teleport** branch and left
- the **far** branch. Retail's far branch @0x005163C1-@0x005163CB runs
- `StopInterpolating` whenever `position_manager != 0`, and re-anchors the
- leash @0x00454272 on any nonzero return. For an adopted missile both
- managers exist, both actions are live in retail, and acdream now performs
- neither. I confirmed the harm is real, not theoretical.
-
-Both are the same shape as the findings they descend from: an invariant
-satisfied on one arm only.
-
----
-
-## A. Round-1 / architecture findings — delta status
-
-| ID | round-1 / arch | status | notes |
-|---|---|---|---|
-| R1 / A2 | unbound missile dropped | **CLOSED — better than my fix direction** | see A1 below |
-| R2 / A3 | adopted-body hook unwired | **PARTIAL** | teleport branch closed; far branch open → **B2** |
-| R3 | retry arm skips invalidate/sync | **CLOSED** | see A3 |
-| R4 / A7 | hidden-branch `LastUpdateTime` dropped | **CLOSED** | restored at `SyncProjectilePresentation`'s `else if (spatial)` with the correct rationale quoted from `TryBind` |
-| R5 / A1 | App ignores seam status | **CLOSED** | see A4 |
-| R6 | stored-outcome cell | **REGRESSED — my finding was wrong** | → **B1** |
-| R7 / A5 | no App-level coverage | **CLOSED** | 7 new `OnPosition` tests incl. the unbound fall-through and the adopted-body hook |
-| R8 | unjustified-velocity comment untracked | **OPEN, deliberately** | judgment in D below — partially acceptable |
-| A4 | `SyncProjectilePresentation` untested | **CLOSED** | real `ShadowObjects` entry / `TotalRegistered` / `Active`-flag assertions across four new tests |
-| A6 | `wasInWorld` read after placement | **CLOSED** | captured pre-dispatch and threaded as a parameter; `…ReenteringWorldReactivatesBody` pins it |
-| A8 | silent shadow skip | **CLOSED** | escalates via `ThrowIfWorldFrameUnreachable`, matching `StoreAcceptedDestinationPose`'s #284 policy |
-| A9 | null-route fallback unfenced from the player | **CLOSED** | `update.Guid != _playerServerGuid &&` added |
-| A10 | `OwnsFarSnap` doc false in the kind dimension | **CLOSED** | corrected paragraph added |
-| A11 | cutover ledger stale | not checked here (outside D-P7's letter; architecture reviewer's call) | |
-
----
-
-## B. Verification of the four items you asked me to judge
-
-### A1 — the conjunctive kind predicate: is it retail-CORRECT, not merely regression-free?
-
-**Yes. PASS, and the reasoning is stronger than "it restores the old
-fall-through".**
-
-`RuntimeEntityObjectLifetime.ClassifyRemoteAcceptedPosition` now derives:
-
-```
-Missile bit && canonical.Projectile is bound && ReferenceEquals(canonical.PhysicsBody, projectile.Body)
- ? Projectile : Remote
-```
-
-**Why this is retail-correct rather than an implementation detail smuggled
-into a classification:**
-
-1. **`RuntimePositionEntityKind` is not a retail concept and has no retail
- effect.** I re-verified `RuntimeAuthoritativePositionRouteClassifier`:
- the only kind branch in `ClassifyAcceptedPosition` is
- `LocalPlayer` (`:349`); `ValidEntityKind` (`:535-538`) admits all three;
- the sole downstream difference is `OperationKind` (`:564-575`). Projectile
- and Remote produce byte-identical disposition, `SetPositionFlags`,
- `StopInterpolating`, `TeleportHookPhase` and `ConstrainPhase`. The kind is
- therefore an **acdream ownership label selecting which arm executes**, not
- a reproduction of any retail decision. Retail's `MoveOrTeleport`
- @0x00516330 has no state test at all (round-1 §A1, byte-confirmed), so
- there is no retail predicate for this code to be unfaithful to.
-2. **The check lives in the right place.** It is in the *caller* that maps
- acdream state → kind, not inside `ClassifyAcceptedPosition`, which remains
- a pure port of retail's decision tree. Nothing acdream-specific entered the
- retail-faithful classifier.
-3. **Mis-routing a genuinely-bound missile is harmless in the retail
- direction.** The only way a live missile classifies `Remote` is if
- `record.PhysicsBody` was replaced out from under a surviving
- `RuntimeProjectile` — already a broken state, and one that
- `ApplyAcceptedProjectilePosition`'s identical guard would refuse anyway
- (round 1: it dropped the packet). Taking the Remote arm instead **places
- the canonical body**, which is what retail does; it also arms the leash and
- runs the full hook, i.e. *more* of retail's behaviour, not less. There is no
- direction in which the conjunctive predicate produces less retail-faithful
- output than the arm it diverts from.
-4. **The reverse mis-route cannot happen.** A non-missile can never satisfy
- clause 1, so no ordinary remote is diverted into the projectile arm.
-
-The App's null-classification fallback
-(`LiveEntityNetworkUpdateController.cs:2132-2140`) now applies the **same three
-conjuncts plus the A9 player fence**, so the two discriminators still cannot
-disagree. Verified by reading both.
-
-The doc comment's claim — *"Retail's `MoveOrTeleport` places EVERY non-player
-object unconditionally — it has no concept of 'client-side machinery not yet
-bound'"* — is true and matches my byte-level read of the function.
-
-### A2 — is "has `RemoteMotion`" the right proxy for "has managers"?
-
-**For actions 1-4, yes, provably. For action 5, the proxy is imperfect but
-skipping is still the retail-correct outcome.** PASS with a note.
-
-Mapping retail's six `teleport_hook` @0x00514ED0 actions onto acdream's
-owners:
-
-| retail action | guard | acdream owner | reachable without `RemoteMotion`? |
-|---|---|---|---|
-| `MovementManager::CancelMoveTo` @0x00514EDD | `movement_manager != 0` | `RemoteMotion.Movement` (a field on `RemoteMotion`, `RemoteMotion.cs:36`) | **no** |
-| `PositionManager::UnStick` @0x00514EEE | `position_manager != 0` | `RemoteMotion.Host.PositionManager` (`Host` is gated on `_fullPhysicsHostBound`, `:87`) | **no** |
-| `PositionManager::StopInterpolating` @0x00514EFD | same | `RemoteMotion.Interp` (`:233`) | **no** |
-| `PositionManager::UnConstrain` @0x00514F0C | same | `RemoteMotion.Host.PositionManager` | **no** |
-| `TargetManager::ClearTarget`/`NotifyVoyeurOfEvent` @0x00514F1B | `target_manager != 0` | `EntityPhysicsHost.TargetManager` | **yes** — see below |
-| `report_collision_end` @0x00514F31 | *unguarded* | `RuntimeCollisionReportingState.LeaveWorld` | run by the Runtime seam regardless ✓ |
-
-The one leak: `LiveEntityMotionRuntimeController.ResolvePhysicsHost:246-250`
-installs a **minimal** `EntityPhysicsHost` for any record the target/moveto
-resolver touches, and that host carries a `TargetManager`. So a bare missile
-*can* hold a `TargetManager` while `record.RemoteMotion` is null, and the
-reduction skips its `ClearTarget`/`NotifyVoyeurOfEvent`.
-
-**This does not make skipping wrong.** Retail's missile has **no**
-`TargetManager` — `MakeTargetManager` is lazy and nothing in a ballistic
-object's life creates one — so retail's guard @0x00514F19 no-ops. acdream's
-eager minimal-host creation is a pre-existing structural difference from
-retail, not something route 5 introduced, and running the action would be the
-divergence, not skipping it. Recorded so the next round does not re-open it.
-
-### A3 — the retry arm (my R3)
-
-**CLOSED and correct.** `Advance()` now derives the projectile/body pair from
-`pending.Route.OperationKind` under the same three conjuncts, captures
-`pendingWasInWorld` **before** the resubmit (matching A6's ordering fix),
-calls `InvalidatePrediction()` before both the store fallback and the
-resubmit, and gates `SyncProjectilePresentation` on the same
-non-`Deferred`/non-`RejectedByPlacement` partition. The invariant now holds on
-both arms.
-
-One residual, **pre-existing and shared with the remote arm, not a finding**:
-the retry path never calls `StoreAcceptedDestinationPose` after a
-`SubmitAndResolve` that returns `Contention`/`RejectedPreparation`, so
-invariant 1's pose advance is skipped on a re-parked retry. That was true
-before this slice (`_ = SubmitAndResolve(...)`) and is the remote arm's
-behaviour too. Recorded, not filed.
-
-### A4 — the App presentation gate, and whether "stored outcomes write the cell too" is now true
-
-**The gate is CLOSED and correct. The cell question is NOT — and it is worse
-than before. See B1.**
-
-The gate itself: App now calls `SyncPresentationFromResolvedBody` only when
-the status is non-null and neither `Deferred` nor `RejectedByPlacement`,
-mirroring Runtime's own partition exactly. I walked every outcome:
-
-| outcome | body state | ack? | retail analogue |
-|---|---|---|---|
-| `Committed` | at resolved destination, cell committed | yes | `SetPosition` success |
-| `Refused`/`Contention`/`RejectedPreparation`/`NotApplicable` | position stored at destination, cell NOT written | yes | `store_position` @0x00515CE2 |
-| `Deferred` | snapped to parked result, withdrawn | no | park (acdream-only, AP-136/138) |
-| `RejectedByPlacement` | untouched | no | @0x00515CB2 / @0x00515CD5 — retail's non-storing failures also leave the object where it was ✓ |
-| `null` (no-op / swallow) | untouched | no | `return 0` @0x0051636D, or acdream-only |
-
-Correct on every row.
-
----
-
-## C. New MAJOR findings
-
-### B1 — MAJOR — the R6 "fix" pairs the destination position with the pre-packet cell on every stored outcome; the correct source was the one it replaced
-
-**Where:** `src/AcDream.App/Physics/ProjectileController.cs`,
-`SyncPresentationFromResolvedBody` — `entity.ParentCellId =
-runtime.Body.CellPosition.ObjCellId` (was `record.FullCellId`).
-
-**Retail contradicted:** `CPhysicsObj::store_position` @0x00515CE2, reached
-from `SetPositionInternal`'s no-resolvable-cell branch @0x00515C1D. It writes
-the object's **whole** `Position` — `objcell_id` together with the frame — so
-after a retail store the object's cell and position are the *same* cell,
-the destination. It is never left describing a position in cell B while
-claiming membership of cell A.
-
-**My round-1 R6 was wrong and I induced this.** I wrote that on a stored
-outcome "the render cell is left behind while the render position moves". It
-is not: `RuntimeEntityRecord.RefreshDerivedState` → `SetFullCell`
-(`RuntimeEntityRecord.cs:232-237`) stamps `FullCellId = position.LandblockId`
-at merge time, *before* classification, and
-`StoreAcceptedDestinationPose` composes `body.Position` from
-`accepted.PositionX + worldOffsetX` where the offset comes from
-`accepted.LandblockId` — **the same cell**. So the original
-`entity.ParentCellId = record.FullCellId` paired a wire-frame position with
-the wire cell: self-consistent, and retail's store semantics. The architecture
-reviewer had this right in its "Verified — no finding" section; I did not.
-
-**What the change now produces on a stored outcome:**
-
-- `entity.Position` = destination, expressed in cell **B**'s world frame
-- `entity.ParentCellId` = `body.CellPosition.ObjCellId` = cell **A**
- (`StoreAcceptedDestinationPose` never writes the cell — the AP-138 residual)
-
-That is precisely the defect shape the architecture review's A1 named — a
-render entity parented into a cell it is not geometrically inside, culled or
-drawn through walls when A is an indoor EnvCell — relocated from the no-op
-partition (now fixed) to the stored partition (now broken).
-
-**Three independent cross-checks all say `record.FullCellId`:**
-
-1. **The sibling remote arm.** `TryApplyGenericRemoteRenderPose`
- (`LiveEntityNetworkUpdateController.cs:1010-1025`) writes
- `entity.ParentCellId = landblockId` — the **wire** cell — paired with the
- wire world position. Parity demands the projectile arm do the same.
-2. **Runtime's own shadow publish, forty lines away.**
- `SyncProjectilePresentation` publishes
- `ShadowObjects.UpdatePosition(..., record.FullCellId, seedCellId: record.FullCellId)`
- with `body.Position`. After this change the shadow says cell B and the
- render entity says cell A **for the same body in the same call**.
-3. **Retail**, as above.
-
-**The doc comment defending the change is self-refuting.** It states *"Retail's
-own `store_position` @0x00515CE2 writes the object's whole `Position`
-including `objcell_id`; reading the body's own cell here is the client-side
-analogue"* — the premise is right and the conclusion inverts it. Retail's
-`objcell_id` after a store is the **destination** (`record.FullCellId`), not
-the stale one.
-
-**Untested.** Both new App commit tests
-(`MissileTeleportCommit_…ParentCellIdAgreesWithBody`,
-`MissileFarCommit_…`) assert on **committed** outcomes, where
-`body.CellPosition.ObjCellId == record.FullCellId == DestinationCell` and the
-two sources coincide. No test drives a stored outcome through the App ack, so
-the suite is green either way — a green suite is not evidence.
-
-**Correct behaviour:** revert to `entity.ParentCellId = record.FullCellId`,
-and add an App-layer stored-outcome test (`Refused`) asserting the render
-position and `ParentCellId` are both the **destination** cell's.
-
----
-
-### B2 — MAJOR — the adopted-body fix closed the teleport branch only; retail's FAR branch also runs `StopInterpolating`, and re-anchors the leash, whenever the manager exists
-
-**Where:** `LiveEntityNetworkUpdateController.cs` — the hook is gated on
-`route.Disposition is …SetPosition && acceptedPositionCanonical.RemoteMotion is RemoteMotion`;
-and `RuntimeRemotePlacementDriveController.ApplyAcceptedProjectilePosition`'s
-`case …SetPositionSimple:` does nothing but invalidate and place.
-
-**Retail contradicted, two sites:**
-
-```
-005163c1 position_manager = this_1->position_manager;
-005163c9 if (position_manager != 0)
-005163cb PositionManager::StopInterpolating(position_manager);
-005163d9 CPhysicsObj::SetPositionSimple(this_1, arg2, 1);
-```
-
-and, for **every** nonzero return including this one,
-`ConstrainTo(arg2, &arg2->m_position, …)` @0x00454272 — which re-anchors the
-leash at the object's **just-updated** position.
-
-**Why the contract's justification does not cover the adopted case.** D-P2
-pins the far branch's interp skip as *"retail-faithful by consequence"*
-because *"a never-interpolated missile has none"*. That premise is exactly
-what the adopted-body case violates: `TryBind`'s shared-body branch
-(`ProjectileController.cs:176-181`) exists for an object that was a live
-remote first, so it carries a populated `RemoteMotion.Interp` and, if hosted,
-a `PositionManager` whose leash route 4a
-(`RuntimeRemoteSteadyStatePosition.TryArmConstraintAfterOperation`) already
-armed. Retail's `position_manager != 0` guard is **satisfied** there.
-
-**The harm is real, not structural.** I traced it:
-
-- `RuntimePhysicsState.cs:697-708` puts the same key in **both**
- `_spatialRemotes` and `_spatialProjectiles` when the record has both
- components.
-- `RuntimeRemotePhysicsUpdater` consumes `rm.Interp` for every
- `_spatialRemotes` entry (`:288`, `:331`, `:941`).
-- `ProjectileController.Tick`'s per-quantum tail runs
- `RetailObjectManagerTail.Run(remote.Host?.TargetManager, remote.Movement,
- null, remote.Host?.PositionManager)` for exactly this record shape.
-
-So after a far snap, a stale waypoint and a leash anchored at the *pre-snap*
-position both remain live and drag the freshly-placed missile back — the
-identical scenario the architecture review's A3 used to justify wiring the
-teleport branch. The teleport branch got the fix; the far branch, which is the
-more common disposition for a moving object at >=96 m, did not.
-
-**AP-141 is now factually wrong in its risk column.** It states *"a live
-missile never shows a constraint leash"*. After the round-2 fix that is false
-for the adopted-body case: such a missile can carry a leash inherited from its
-pre-Missile remote life, the teleport branch now clears it, and the far branch
-neither clears nor re-anchors it. This is the "a register row asserting
-behaviour the code does not have" defect class the 4b-3 reviews named.
-
-**Correct behaviour:** either run the same hook seam on the far branch's
-manager-bearing case (retail runs only `StopInterpolating` there, not the full
-hook — so the minimal faithful action is `remote.Interp.Clear()` gated on the
-host existing, mirroring @0x005163C9), and decide the leash re-anchor
-explicitly; or amend AP-141 to state that for an adopted body the far branch
-skips retail's guarded `StopInterpolating` @0x005163CB and leaves an inherited
-leash un-re-anchored. Do not leave the row asserting the opposite.
-
----
-
-## D. MINOR findings
-
-### B3 — MINOR — `report_collision_end` now runs twice for the adopted teleport case, and the hook is split across two owners
-
-App's `RunRemoteTeleportHook` executes all six actions including
-`ReportCollisionEnd → LiveEntityRuntime.ForceEndCollisionReporting →
-RuntimeCollisionReportingState.LeaveWorld`; the Runtime seam then runs
-`CollisionReports.LeaveWorld(record)` again before the placement. Retail calls
-@0x00514F31 once. The second call is benign (the table is already empty, so
-`ForceEnd` finds nothing; it only bumps `_mutationRevision`), and the ordering
-relative to `SetPosition` is preserved, so this is cosmetic — but one retail
-function now has two owners across a layer boundary, which is how the *order*
-of a six-step sequence gets broken later. Cleanest: have the Runtime seam skip
-its own `LeaveWorld` when the caller supplied the full hook, or move the whole
-hook behind the Runtime seam.
-
-### B4 — MINOR — the projectile hook allocates a per-packet closure while its comment claims the "#315 pattern"
-
-`LiveEntityNetworkUpdateController.cs`, projectile arm:
-
-```csharp
-RunRemoteTeleportHook(
- acceptedPositionCanonical,
- adoptedRemote,
- () => _liveEntities.IsCurrentPositionAuthority( // fresh closure, every packet
- acceptedPositionRecord,
- acceptedPositionAuthorityVersion));
-```
-
-The comment says this uses *"the SAME ordered hook seam and per-packet currency
-check the remote teleport arm already uses (`RunRemoteTeleportHook`, #315
-pattern)"*. The remote arm does not do this: it passes
-`_remoteArmCallbacks.RunTeleportHook`, a **cached** method group over scratch
-fields (`RunCachedRemoteTeleportHook`), which is precisely what #315 introduced
-to remove per-packet closures from the packet path. The contract restates that
-constraint (§2 item 5). The seam is shared; the allocation discipline is not,
-and the comment asserts otherwise.
-
-### B5 — MINOR — R8 remains open
-
-Judgment you asked for: **deferring the audit is acceptable; deferring the
-tracking is not.** The comment now asserts, in production source, that a live
-call's retail justification is unestablished. With no `docs/ISSUES.md` row and
-no AP row, that assertion is discoverable only by reading
-`LiveEntityNetworkUpdateController.cs`. One line in ISSUES.md ("4a remote arm's
-`TryCommitAuthoritativeVelocity` has no established retail basis — see the
-comment at the call site; `MoveOrTeleport` @0x00516330 byte-confirmed not to
-install a velocity") costs nothing and should land with this commit. The
-substantive audit belongs to the 4a family, as the contract says.
-
-### B6 — MINOR — the stored-outcome shadow publish uses an unadvanced body on a re-parked retry
-
-`Advance()`'s retry arm calls `SyncProjectilePresentation` after a
-`SubmitAndResolve` that returned `Contention`, but never
-`StoreAcceptedDestinationPose` on that path (B-section A3's residual). The
-shadow is therefore published at `record.FullCellId` (the wire cell) with a
-body still at its pre-packet pose — the mirror image of B1, inside Runtime.
-Parity with the remote arm, pre-existing, and it disappears if B1's residual
-(store never writes the cell, AP-138) is ever closed. Recorded, not filed.
-
----
-
-## E. Retail claims re-verified this round (no change)
-
-Re-checked because the fix touched the surrounding code, not re-derived from
-scratch (round 1 §A has the full derivations):
-
-- `MoveOrTeleport` @0x00516330 — no state/kind test; `arg5` at `[esp+0x7C]`
- never read (byte-confirmed round 1); `ret 0x10` at all four exits.
-- `teleport_hook` @0x00514ED0 — six actions, five per-manager guarded, the
- sixth unguarded. The App fix drives the in-tree ordered port
- (`RemoteTeleportHook.Execute`) with per-action `host?.` guards, so retail's
- guards decide rather than being re-derived. Correct for the teleport branch.
-- `ConstrainTo` @0x00510520 → `MakePositionManager` @0x00510523; the single
- arming site @0x00454272 has no kind test. AP-141 clauses (a) and (b) remain
- accurate descriptions of retail; only the row's **risk** column is now wrong
- (B2).
-- `store_position` @0x00515CE2 writes `objcell_id` with the frame — the basis
- of B1.
-- ACE never sends a missile `UpdatePosition`
- (`WorldObject_Tick.cs:333-334` inside the `PhysicsState.Missile` branch at
- `:265`), so B1 and B2 are both test-reachable only. Stated for calibration,
- not as a reason to ship them.
-- AP-131 and AP-135 untouched; `docs/ISSUES.md` unmodified; #276 not closed.
-
----
-
-## F. Summary
-
-| # | Sev | Where | Retail address contradicted |
-|---|---|---|---|
-| B1 | MAJOR | `ProjectileController.SyncPresentationFromResolvedBody` (`entity.ParentCellId`) | `store_position` @0x00515CE2 — writes `objcell_id` with the frame; also breaks parity with `TryApplyGenericRemoteRenderPose` and with the shadow publish in the same call |
-| B2 | MAJOR | `LiveEntityNetworkUpdateController` hook gate (`SetPosition` only) + `ApplyAcceptedProjectilePosition`'s `SetPositionSimple` arm | `StopInterpolating` @0x005163C9-@0x005163CB (guard satisfied for an adopted body); `ConstrainTo` @0x00454272 re-anchor |
-| B3 | MINOR | App hook action 6 + Runtime seam `LeaveWorld` | @0x00514F31 called once in retail |
-| B4 | MINOR | projectile arm's `Func` closure | — (contract §2 item 5; comment false) |
-| B5 | MINOR | no ISSUES/AP row for the acknowledged-unjustified velocity commit | — |
-| B6 | MINOR | `Advance()` retry shadow publish | — (mirror of B1 inside Runtime; parity, pre-existing) |
-
-**Both MAJORs are small edits.** B1 is one token. B2 is the far-branch half of
-a fix already written for the teleport branch, plus an AP-141 risk-column
-correction.
diff --git a/docs/research/2026-08-04-c4-route-5-retail-review-round3.md b/docs/research/2026-08-04-c4-route-5-retail-review-round3.md
deleted file mode 100644
index 8db8ae27..00000000
--- a/docs/research/2026-08-04-c4-route-5-retail-review-round3.md
+++ /dev/null
@@ -1,282 +0,0 @@
-# C4 route 5 — projectile authoritative placement: retail-conformance review, ROUND 3 (narrow delta)
-
-**Reviewer lens:** retail fidelity only. Delta against
-[round 2](2026-08-04-c4-route-5-retail-review-round2.md) (FAIL: B1, B2), which
-the architecture reviewer corroborated independently as its B2 and B1.
-
-**Subject:** the uncommitted working tree, HEAD `30d3d114`.
-
----
-
-## VERDICT: **PASS**, with one MUST-FIX-IN-COMMIT documentation correction (C1)
-
-Both round-2 MAJORs are closed, and closed well. B1's revert is right *and* its
-regression test is self-verifying rather than merely sabotage-checked. B2's
-fix is placed in the correct layer, in the correct order, with the correct
-guard.
-
-The one required edit is a single sentence in AP-141's risk column that
-asserts a consequence neither retail nor acdream has — **and I wrote the
-mistake it was copied from.** Round 2's B2 claimed a stale leash would "drag
-the freshly-placed missile back". That is wrong: acdream's `ConstraintManager`
-port brakes, it never pulls. I retract it in §C1 and state what the residual
-actually is. Because register rows land in the same commit as the behaviour
-they describe, this is a must-fix now, not a follow-up.
-
----
-
-## A. The four items you asked me to verify
-
-### A1 — B1's revert: is the *reasoning* now right, not just the value?
-
-**Yes. PASS on both.**
-
-`ProjectileController.SyncPresentationFromResolvedBody` now writes
-`entity.ParentCellId = record.FullCellId`. I re-derived each of the four
-claims in the rewritten doc block rather than accepting them:
-
-| claim in the comment | verified |
-|---|---|
-| on a committed outcome the two sources agree (`CommitCanonical` writes both) | ✓ — the choice is a genuine no-op there |
-| `StoreAcceptedDestinationPose` composes `body.Position` from `accepted.PositionX + worldOffset(accepted.LandblockId)` — the **wire** cell's frame | ✓ read the method; it writes only `Position`/`Orientation`, offset from `accepted.LandblockId` |
-| `record.FullCellId` is that same wire cell, stamped by the merge before classification | ✓ `RuntimeEntityRecord.RefreshDerivedState` → `SetFullCell(position.LandblockId, …)` at `:232-237` |
-| the body's own `CellPosition.ObjCellId` is the **source** cell it left | ✓ untouched by the store fallback |
-| cross-check (1): the sibling remote arm pairs wire position with wire cell | ✓ `TryApplyGenericRemoteRenderPose` → `entity.ParentCellId = landblockId` |
-| cross-check (2): Runtime's `SyncProjectilePresentation` publishes the shadow at `record.FullCellId` in the same packet | ✓ — reading the body's cell here would disagree with the shadow for the same body in the same call |
-| cross-check (3): retail's `store_position` @0x00515CE2 writes the whole `Position` **including `objcell_id`**, so after a retail store the object's cell IS the destination | ✓ |
-
-The comment also correctly names the body's stale post-store cell as the
-acdream-side residual (AP-138, shared with the remote arms) rather than
-truth to project. The reasoning is sound and matches the code beside it.
-
-### A2 — the indoor-staging test: does the discrimination argument hold, and is it legitimate?
-
-**Yes to both. This is the strongest test in the change.**
-
-I verified the mechanism at `PhysicsBody.SyncCellPositionDelta`
-(`PhysicsBody.cs:286-306`), which runs whenever `Position` is written:
-
-```csharp
-if ((cell & 0xFFFFu) is not (>= 1u and <= 0x40u))
-{
- CellPosition = new Position(cell, new CellFrame(local, …)); // indoor: id PINNED
- return;
-}
-uint adjusted = cell;
-if (LandDefs.AdjustToOutside(ref adjusted, ref local)) // outdoor: id RE-DERIVED
- CellPosition = new Position(adjusted, …);
-```
-
-So the implementer's account is exactly right: an **outdoor** source cell
-(index 1..0x40) has its cell id re-derived — including the 192 m landblock
-wrap — by `AdjustToOutside` as a side effect of the store's position write, so
-`body.CellPosition.ObjCellId` converges toward the destination landblock on
-its own and the two expressions stop discriminating. An **indoor** source cell
-takes the early-return branch: the delta is carried into the local frame and
-the id stays pinned. That is the only staging in which
-`body.CellPosition.ObjCellId` and `record.FullCellId` provably differ across
-the store path.
-
-**Legitimate, not contrived.** `IndoorSourceCell = SourceLandblock | 0x0100u`
-is the canonical first EnvCell in AC's cell-id encoding — outdoor landcells
-occupy `0x0001`–`0x0040`, EnvCells start at `0x0100` — so this is an ordinary
-dungeon cell, not a magic number chosen to break an assertion. A missile
-in a dungeon is an ordinary scenario, and the branch it exercises is the one
-production takes indoors.
-
-**Better than the sabotage run the implementer also did:** the test asserts
-the divergence *occurred* before asserting the outcome —
-
-```csharp
-Assert.Equal(IndoorSourceCell, body.CellPosition.ObjCellId); // the divergence is real
-Assert.Equal(DestinationCell, fixture.Entity.ParentCellId); // and ParentCellId ignored it
-```
-
-— so if staging ever stops discriminating (a future change makes the store
-write the cell, say), the test fails loudly instead of silently going vacuous.
-That is a self-verifying discriminator, which is the right answer to "a green
-suite is not evidence".
-
-### A3 — B2's split: is "queue cleared, leash still armed" retail's far-branch behaviour?
-
-**Two of the three halves are retail. The third is not, and it is now
-recorded — so the outcome is acceptable, but the plain answer to your question
-is: no, retail does not leave the leash as-is.**
-
-Retail's far path, in order:
-
-```
-005163c1 position_manager = this_1->position_manager;
-005163c9 if (position_manager != 0)
-005163cb PositionManager::StopInterpolating(position_manager);
-005163d9 CPhysicsObj::SetPositionSimple(this_1, arg2, 1);
-005163e8 return 1;
- ↓ back in SmartBox::HandleReceivedPosition
-00454254 if (MoveOrTeleport(...) != 0) {
-00454258 GetMaxConstraintDistance / GetStartConstraintDistance
-00454272 ConstrainTo(arg2, &arg2->m_position, start, max); ← re-anchor
- }
-```
-
-| half | retail | acdream far arm | verdict |
-|---|---|---|---|
-| clear the interpolation queue | yes, whenever `position_manager != 0` @0x005163CB | `route.StopInterpolating && record.RemoteMotion is RemoteMotion → adopted.Interp.Clear()` | ✓ **correct** |
-| `UnConstrain` | **no** — the far branch never calls `teleport_hook` | not run | ✓ **correct**; the test's "proving the far branch really does run only `StopInterpolating`, not the full hook" is right |
-| re-anchor the leash | **yes** — `&arg2->m_position` is the object's *just-updated* position, so retail re-anchors on every nonzero return | not run | ✗ **divergent** |
-
-The fix's placement is right in every other respect: it lives in the Runtime
-seam (not App), runs strictly **before** `TryExecuteAcceptedRemotePosition`
-(mirroring @0x005163CB before @0x005163D9), uses the same
-`route.StopInterpolating` gate and the same `Interp.Clear()` mapping the
-sibling `ApplyAcceptedRemoteFarSnap` uses, and the storing partition still
-runs afterwards so the 4b-2 "cleared-then-frozen" hazard cannot reappear.
-`record.RemoteMotion is RemoteMotion` is the right analogue of retail's
-`position_manager != 0` here, because `Interp` is a non-null field of
-`RemoteMotion` — the same predicate the remote far arm relies on.
-
-**What the missing re-anchor actually costs — correcting round 2.** See §C1.
-It is one tick of brake-taper state, contact-gated, and cannot move the body.
-
-### A4 — AP-141: does the row describe the shipped code exactly?
-
-**Almost. The divergence description is now accurate; one sentence of the risk
-column is not (C1).**
-
-Verified accurate:
-- the bare-missile far skip as *faithful by consequence* — retail's own
- `position_manager != 0` guard @0x005163C9 skips it for a never-interpolated
- object ✓;
-- the adopted-body far clear as **ported**, matching the shipped
- `route.StopInterpolating && record.RemoteMotion is RemoteMotion` arm ✓;
-- clause (b) extended to say acdream never arms **or re-anchors** on any
- disposition, with @0x00454272 cited ✓ — this is the honest recording of the
- A3 residual;
-- the "NARROWED … the far-branch clause was factually wrong for the
- adopted-body case" preamble, which is the right way to retire a superseded
- claim rather than quietly rewriting it ✓;
-- clauses (a) and (c) unchanged and still accurate ✓.
-
-### A5 — #317
-
-**Discharges R8. PASS.** Filed OPEN with the byte-decode citation
-(`MoveOrTeleport` @0x00516330-@0x00516438, every branch, velocity argument
-never read), the correct scope note (the 4a call left in production
-deliberately), a real root cause, and an acceptance criterion that names the
-right next step — auditing the *whole* accepted-Position velocity chain rather
-than just the one function. My round-2 judgment stands: deferring the audit
-was always fine; what was missing was the tracking, and it now exists.
-
-Nit only: the body cites the call site as "~line 2444" in one paragraph and
-"~line 2420" in another. It names the symbol in both, which is what process
-rule 6 says to trust, so this is cosmetic.
-
----
-
-## B. Round-2 findings — delta status
-
-| ID | status |
-|---|---|
-| B1 (`ParentCellId`) | **CLOSED** — reverted, reasoning verified, self-verifying indoor regression test |
-| B2 (far-branch adopted body) | **CLOSED for the `StopInterpolating` half; the `ConstrainTo` re-anchor half is now a recorded divergence** in AP-141 clause (b) rather than an unrecorded one. Acceptable. |
-| B3 (double `report_collision_end`) | still present (App hook action 6 + Runtime seam's `LeaveWorld`). Benign — the second call finds an empty table. Not re-raised. |
-| B4 (per-packet closure) | **CLOSED** — `_remoteArmCallbacks.IsCurrentProjectilePositionOwner` + `_projectileArmPosition*` scratch fields, the same cached shape #315 introduced for the remote arm. Comment now describes what the code does. |
-| B5 (R8 tracking) | **CLOSED** — #317 |
-| B6 (retry-arm store gap) | unchanged; parity with the remote arm, pre-existing. Not re-raised. |
-
----
-
-## C. Findings this round
-
-### C1 — MINOR, **must fix in this commit** — AP-141's risk column asserts a consequence neither retail nor acdream has, and I am the source of the error
-
-**Where:** `docs/architecture/retail-divergence-register.md`, AP-141, risk
-column, final clause:
-
-> "…but is never re-anchored at the new position by either — **if it survives
-> un-cleared some other way, it would drag the body toward a stale anchor.**"
-
-**This is wrong, and it is my round-2 wording.** I wrote that a leash anchored
-at the pre-snap position would "drag the freshly-placed missile back". I
-inferred it from retail's re-anchor existing, without reading acdream's port of
-what a leash *does*. The in-tree port says otherwise, explicitly:
-
-- `ConstraintManager.ConstraintPos` — *"+0x0c retail `constraint_pos` — the
- leash anchor. Stored by `ConstrainTo`, **never read by `AdjustOffset`**
- (retail + ACE — write-only in this class)."*
-- `ConstraintManager.AdjustOffset` (retail `ConstraintManager::adjust_offset`
- @0x00556180) only **brakes**: while `_host.InContact` it tapers the
- already-composed per-tick offset between `ConstraintDistanceStart` and
- `ConstraintDistanceMax`, or zeroes it past max — then unconditionally
- overwrites `ConstraintPosOffset` with *that tick's step length*.
-
-A leash therefore damps motion the interp/sticky chain already produced; it
-has no mechanism to move anything toward the anchor. The dragging half of
-round-2 B2 was the **interpolation queue**, which does move the body toward
-waypoints — and that half is now fixed.
-
-**What the missing re-anchor actually costs.** Retail's
-`ConstrainTo(arg2, &arg2->m_position, …)` sets `ConstraintPos` to the object's
-just-written position and re-initialises
-`ConstraintPosOffset = Distance(anchor, host.Position)` = **0**, i.e. it
-resets the brake accumulator at every accepted Position. acdream leaves
-`ConstraintPosOffset` at the previous tick's step length. The observable
-difference is confined to the single tick after the packet, only when the
-object is `InContact`, and only if that step length already exceeded
-`ConstraintDistanceStart` — and a far-snapped missile is airborne, where the
-clamp branch does not run at all.
-
-**Correct replacement for the sentence** (substance, not wording): *an
-adopted-body missile's inherited leash is never re-anchored, so its brake
-accumulator (`ConstraintPosOffset`) is not reset to zero at each accepted
-Position as retail's @0x00454272 re-anchor does; the anchor itself is
-write-only in both retail and the port, so a stale leash brakes rather than
-pulls and cannot move the body.*
-
-Keep the rest of the clause — "never re-anchored at the new position by
-either" is the accurate divergence and should stay.
-
-### C2 — MINOR (nit) — two comments the fix touched are slightly off
-
-1. `ProjectileController.SyncPresentationFromResolvedBody`'s doc block uses
- `` twice; the parameter is named `expectedRecord`
- (`record` is a local from `TryGetCurrent`). The paramref will not resolve.
-2. `MissileAdoptedBody_FarCommit_ClearsInterpQueueButLeavesConstraintArmed`'s
- doc says the leash "must stay armed (proving the far branch really does run
- only `StopInterpolating`, not the full hook)" — true and well-argued about
- the *hook*, but silent on @0x00454272, which is the half retail does run.
- One clause ("…armed but, unlike retail, not re-anchored — AP-141") keeps a
- future reader from reading the far branch's leash handling as fully
- faithful.
-
----
-
-## D. Re-verified retail, no change
-
-Spot-checked because the fix touched the surrounding code:
-
-- `MoveOrTeleport` @0x00516330 far branch: `position_manager != 0` guard
- @0x005163C9, `StopInterpolating` @0x005163CB, `SetPositionSimple(…, 1)`
- @0x005163D9, `return 1` @0x005163E8 — the ported order is correct.
-- `HandleReceivedPosition` @0x00454254/@0x00454272 — the single post-operation
- arming site, no kind test, anchor is the object's own just-updated position.
-- `teleport_hook` @0x00514ED0 — six actions, five per-manager guarded; the far
- branch does not call it.
-- `store_position` @0x00515CE2 — writes `objcell_id` with the frame (basis of
- B1's revert).
-- ACE never sends a missile `UpdatePosition`
- (`WorldObject_Tick.cs:333-334` inside the `:265` Missile branch), so every
- residual here remains test-reachable only. Stated for calibration, not as a
- reason to ship anything.
-- AP-131 / AP-135 untouched; #276 not closed; `docs/ISSUES.md` gains only #317.
-
----
-
-## E. Summary
-
-| # | Sev | Where | Action |
-|---|---|---|---|
-| C1 | MINOR, must-fix-in-commit | AP-141 risk column, final clause | replace the "drag the body toward a stale anchor" claim — the anchor is write-only; a leash brakes, never pulls. Retracts my own round-2 wording. |
-| C2 | nit | `SyncPresentationFromResolvedBody` paramref; far-adopted test doc | one-line each |
-
-No code changes required. With C1 corrected, route 5 is retail-conformant on
-every path I have examined across three rounds.
diff --git a/docs/research/2026-08-04-c4-route-5-retail-review.md b/docs/research/2026-08-04-c4-route-5-retail-review.md
deleted file mode 100644
index e85577e5..00000000
--- a/docs/research/2026-08-04-c4-route-5-retail-review.md
+++ /dev/null
@@ -1,465 +0,0 @@
-# C4 route 5 — projectile authoritative placement: retail-conformance review (2026-08-04)
-
-**Reviewer lens:** retail fidelity only ("is this what the retail client does?").
-Architecture is a separate reviewer's job.
-
-**Subject:** the uncommitted working-tree diff at branch
-`claude/acdream-physics-divergence-5aa784`, HEAD `30d3d114`
-(`git diff HEAD` + the untracked
-`tests/AcDream.Runtime.Tests/Entities/RuntimeProjectilePositionKindTests.cs`).
-`docs/research/2026-08-04-c4-route-5-contract.md` is the pinned contract, not
-part of the change under review.
-
----
-
-## VERDICT: **FAIL**
-
-Two MAJOR findings, both **unrecorded divergences** — the project rule the
-divergence register exists to enforce ("any commit that introduces a deviation
-adds its register row IN THE SAME COMMIT; a deviation found without a row is a
-bug twice over"). Neither is a hard-to-fix design problem: R1 is a one-clause
-amendment to AP-141 (or a three-line fall-through decision), R2 is either a
-wiring of the already-in-tree hook actions or a second clause on the same row.
-
-**What is right, and independently verified** (Section A below): the retail
-chain the contract asserts is correct in every particular I checked, the
-byte-decode retiring the fabricated velocity is correct and I reproduced it
-from the paired binary, and AP-141 describes retail's mechanical behaviour
-honestly rather than dressing the divergence up as fidelity.
-
----
-
-## A. Retail claims verified independently (all PASS)
-
-Verified against `docs/research/named-retail/acclient_2013_pseudo_c.txt` and,
-for the byte-decode, against `C:/Users/erikn/Downloads/acclient.exe`
-(PDB-paired, image base `0x00400000`).
-
-### A1. `MoveOrTeleport` has no `state & Missile` test — CONFIRMED
-
-`CPhysicsObj::MoveOrTeleport` @0x00516330 (pseudo-C 284304-284366) reads
-exactly four object fields: `update_times[4]` (`mov cx,[esi+0x16c]`), `cell`
-(`mov eax,[esi+0x90]`), `player_distance` (`fld dword [esi+0x20]`), and
-`position_manager` (`mov ecx,[esi+0xc8]`). There is no physics-state read
-anywhere in the 272-byte function. A missile takes the identical generic
-remote path. The contract's §4 row 1 is correct.
-
-`SmartBox::HandleReceivedPosition` @0x00453FD0's only kind branch is
-`arg2 != this->player` @0x0045414D — confirmed at pseudo-C 92896-93054.
-`UnpackPositionEvent` @0x004542C0 calls it @0x00454358 with no state/kind
-test.
-
-### A2. Branch structure — CONFIRMED
-
-| retail branch | address | acdream disposition | verdict |
-|---|---|---|---|
-| teleport/cell-less: `teleport_hook` → `SetFlags(0x1012)` → `SetPosition` → `return 1` | @0x005163EF / @0x00516414 / @0x00516420 / @0x00516438 | `SetPosition` | faithful |
-| near: `InterpolateTo(this, arg2, IsMovingTo(this))`, `return 1` | @0x005163AF, @0x005163BE | `Interpolate` → **no-op** | recorded divergence (AP-141a) |
-| far: `if (position_manager != 0) StopInterpolating`, `SetPositionSimple(this, arg2, 1)`, `return 1` | @0x005163C9-@0x005163CB, @0x005163D9, @0x005163E8 | `SetPositionSimple` | faithful; the `StopInterpolating` skip is retail's OWN guard for a manager-less object, correctly excluded from the divergence row |
-| airborne (`arg4 == 0`): `return 0` | @0x0051636D | `NoPositionOperation` → no-op, no arm | faithful, correctly NOT claimed as a divergence |
-
-The far branch's third argument to `SetPositionSimple` is `1` (byte
-`6a 01` at @0x005163D3) — matches.
-
-### A3. The `ConstrainTo` chain — CONFIRMED; retail WOULD arm a missile's leash
-
-- `HandleReceivedPosition` @0x00454254: `if (MoveOrTeleport(...) != 0)` →
- @0x00454272 `ConstrainTo(arg2, &arg2->m_position, ...)`. No kind test, no
- manager-existence test.
-- `CPhysicsObj::ConstrainTo` @0x00510520 → `MakePositionManager(this)`
- @0x00510523 → `PositionManager::ConstrainTo` @0x00510533. The manager is
- created **on demand**.
-- The sibling `CPhysicsObj::InterpolateTo` @0x005104F0 does the same
- (`MakePositionManager` @0x005104F3 then `PositionManager::InterpolateTo`
- @0x00510508), so the near branch would likewise build machinery for a
- manager-less missile.
-- `PositionManager::UseTime` is ticked from `UpdateObjectInternal`
- @0x005159A9 — an armed missile leash would be live, not vestigial.
-
-**The central design decision is therefore a deliberate divergence, and the
-change records it as one.** AP-141 states plainly that "retail's single arming
-site has no kind test, so retail WOULD build a `PositionManager` on demand and
-arm a missile's leash on any nonzero `MoveOrTeleport` return", and cites
-@0x00454272 / @0x00510523 / @0x005163AF / @0x0050EB10 plus the ACE
-unreachability. It does **not** claim fidelity it does not have. PASS.
-
-### A4. The byte-decode of `arg5` — CONFIRMED, reproduced independently
-
-I did not take the implementer's disassembly on trust; I re-derived the stack
-offset and scanned the function's bytes.
-
-Prologue at @0x00516330: `83 ec 64` (`sub esp,0x64`), `56` (`push esi`),
-`8b f1`, `66 8b 8e 6c 01 00 00`, `57` (`push edi`). Displacement from entry
-`esp` is therefore `0x64 + 4 + 4 = 0x6C`, so:
-
-| arg | slot after prologue |
-|---|---|
-| `arg2` (Position*) | `[esp+0x70]` |
-| `arg3` (uint16 timestamp) | `[esp+0x74]` |
-| `arg4` (int32) | `[esp+0x78]` |
-| `arg5` (Vector3 const*, velocity) | **`[esp+0x7C]`** |
-
-Every stack-argument read in the function body: `8b 7c 24 74` @0x0051633E
-(arg3 → edi), `8b 44 24 78` @0x00516387 (arg4), `8b 44 24 74` @0x005163A7
-(arg2 — `esp` is 4 lower after the preceding `push eax`), `8b 4c 24 70`
-@0x005163CF (arg2), `8b 54 24 70` @0x005163FC (arg2). **Zero occurrences of
-the SIB+disp8 byte pair `24 7c` in the whole function**, and no disp32
-(`84 24 7c 00 00 00`) form either; the only other `0x7c` bytes in the range
-belong to the `edi` ModRM byte and to the constant address `0x007c6afc` (the
-96 m literal). All four exits are `c2 10 00` (`ret 0x10`) — four dwords of
-stack args, confirming the four-argument frame.
-
-**`arg5` is never read. P4 holds. The `?? Vector3.Zero` fabrication was
-genuinely fabricated, and deleting it is correct.** PASS.
-
-### A5. The teleport-hook reduction — retail side CONFIRMED
-
-`CPhysicsObj::teleport_hook` @0x00514ED0 (pseudo-C 283115-283151) is exactly
-six actions:
-
-1. `MovementManager::CancelMoveTo` — guarded `movement_manager != 0` @0x00514EDB
-2. `PositionManager::UnStick` — guarded @0x00514EEC
-3. `PositionManager::StopInterpolating` — guarded @0x00514EFB
-4. `PositionManager::UnConstrain` — guarded @0x00514F0A
-5. `TargetManager::ClearTarget` + `NotifyVoyeurOfEvent(Teleported)` — guarded @0x00514F19
-6. `CPhysicsObj::report_collision_end(this, 1)` @0x00514F31 — **unguarded**
-
-So for a *bare* arrow/bolt (no `MovementManager`, no `PositionManager`, no
-`TargetManager`) five of six are retail no-ops through retail's own guards,
-and the sixth applies. The projectile arm's single
-`_entityObjects.Physics.CollisionReports.LeaveWorld(record)` is the right
-port: it is the same seam `RunRemoteTeleportHook`'s `ReportCollisionEnd`
-action reaches (`LiveEntityRuntime.ForceEndCollisionReporting` →
-`RuntimeCollisionReportingState.LeaveWorld`), i.e. the 4b-3 R2-validated port
-of @0x00514620. Ordering is also right — it runs strictly before
-`TryExecuteAcceptedRemotePosition`, mirroring @0x005163EF before @0x00516420 —
-and it runs unconditionally of the placement's outcome, exactly as retail
-discards `SetPosition`'s result and returns 1 @0x00516438.
-
-**Caveat: "the other five are genuinely per-manager-guarded no-ops for a bare
-missile" is true, but the contract also pinned the adopted-body case, and that
-half was not delivered — see R2.**
-
-### A6. Register / issue discipline — PARTIAL
-
-- AP-141 added in the same working tree as the behaviour. PASS.
-- AP-131 and AP-135 are untouched (the register diff is exactly the section-3
- count line plus the AP-141 row). PASS.
-- `docs/ISSUES.md` is not modified; #276 is not closed. PASS.
-- AP-141's retail description is accurate (A3). PASS.
-- **AP-141 is incomplete** — see R1 and R2.
-
-### A7. Comment corrections — the touched ones verified
-
-The deliberate separate correction at
-`src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2309-2323`
-replaces the false claim "MoveOrTeleport installs that exact vector with
-set_velocity". Every assertion in the replacement is true: `MoveOrTeleport`
-never reads the velocity slot (A4); `UnpackPositionEvent` @0x004542C0 performs
-no `set_velocity`; the only `set_velocity` in the chain is the local player's
-zero @0x004541B4. The replacement is honest about the consequence ("this
-call's actual retail justification is therefore NOT yet established"). PASS
-on truthfulness — but see R8 on the bookkeeping.
-
-The two other comment rewrites (`ClassifyRemoteAcceptedPosition`'s
-kind-derivation paragraph, `OwnsPlacement`'s widening paragraph) match the
-code beside them. `RuntimeProjectilePhysicsUpdater`'s tombstone comment
-accurately describes what was deleted and what remains.
-
----
-
-## B. Findings
-
-### R1 — MAJOR — a Missile-flagged entity with no bound projectile now has its accepted Position silently dropped; retail places it, and AP-141 does not cover this shape
-
-**Where:**
-`src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2222-2247`
-(the `isMissilePacket` dispatch) together with
-`src/AcDream.Runtime/Session/RuntimeRemotePlacementDriveController.cs:1004-1012`
-(`ApplyAcceptedProjectilePosition`'s ownership gate).
-
-**Retail contradicted:** `CPhysicsObj::MoveOrTeleport` @0x00516330 —
-reached from `HandleReceivedPosition` @0x00454254 for **every** non-player
-`CPhysicsObj`, with no test of any kind on what client-side machinery the
-object happens to have bound. Retail always places the object.
-
-**What changed.** The deleted short-circuit was
-`if (_projectileController?.ApplyAuthoritativePosition(...) == true) return;`.
-That method returned **false** — i.e. *fell through to the generic remote
-tail, which applied the position* — whenever `TryGetCurrent` failed, i.e.
-whenever the record had the Missile bit but no bound `RuntimeProjectile`.
-The new dispatch decides `isMissilePacket` purely from
-`route.OperationKind`/the Missile bit, and `ApplyAcceptedProjectilePosition`
-returns `null` (write nothing, return) when `record.Projectile` is null. The
-packet is now dropped with no writer of any kind.
-
-**Why this is reachable state, not a hypothetical.** `ProjectileController.TryBind`
-(`src/AcDream.App/Physics/ProjectileController.cs:133-330`) can fail
-*permanently* for a Missile-flagged entity — `TryGetCollisionSphere` rejects
-any Setup that is not "the supported retail one-sphere collision shape" and
-logs `Missile 0x… Setup 0x… does not have the supported retail one-sphere
-collision shape`. It also has a legitimate not-yet-bound window
-(`initialResidenceActive == false`, and the projection-visible retry in
-`OnProjectionVisibilityChanged`). In all of those states the entity used to
-track its server position through the remote path; now it freezes for the rest
-of its life.
-
-**Bookkeeping.** AP-141 clause (c) covers "a null-classified or `Rejected*`
-accepted Position"; it does **not** cover "an accepted Position for a
-Missile-flagged entity whose projectile component is absent or does not agree
-with the canonical body". The XML doc on `ApplyAcceptedProjectilePosition`
-does mention the ownership-mismatch swallow, so this is a real design
-decision that was made and then not written into the register.
-
-**Correct behaviour:** either (a) fall through to the generic remote tail when
-`record.Projectile` is absent — which is what retail does and what the code
-did yesterday — or (b) keep the swallow and extend AP-141 with a fourth
-clause naming it, its trigger (unbindable Setup / pre-bind window), and the
-observable (a Missile-flagged object stops tracking permanently). Do not
-leave it undocumented.
-
-*Mitigating (do not use as a reason to skip the row):* unreachable against ACE
-for the same reason the rest of the row is — `WorldObject_Tick.cs:333-334`.
-
----
-
-### R2 — MAJOR — the adopted-body teleport-hook case was pinned by the contract, not implemented, and not registered; retail runs five actions acdream skips
-
-**Where:** `src/AcDream.Runtime/Session/RuntimeRemotePlacementDriveController.cs:1017`
-— the `SetPosition` arm runs `CollisionReports.LeaveWorld(record)` and
-nothing else.
-
-**Retail contradicted:** `CPhysicsObj::teleport_hook` @0x00514ED0 actions 1-5
-(@0x00514EDB, @0x00514EEC, @0x00514EFB, @0x00514F0A, @0x00514F19). Each is
-guarded on *its manager existing* — not on the object being a non-missile.
-
-**The gap.** A missile can carry the full remote manager set. `TryBind`'s own
-adopted-body branch exists for exactly this
-(`ProjectileController.cs:176-181`: "Retail owns one CPhysicsObj. If a
-non-missile incarnation already created its MovementManager … classification
-adopts that same body"), and the late-classification entry
-`ApplyAuthoritativeState → TryBind` is the production path that turns an
-ordinary remote — which by then has a `RemoteMotion` with an `Interp` queue
-and, if hosted, a `PositionManager` — into a missile. For such an object
-retail's guards are *satisfied* and retail runs `CancelMoveTo`, `UnStick`,
-`StopInterpolating`, `UnConstrain` and `ClearTarget`/`NotifyVoyeurOfEvent`.
-acdream now runs none of them.
-
-The contract pinned this explicitly (D-P4): "for the adopted-body case (a
-missile that carries a `RemoteMotion`), the existing hook actions'
-per-manager guards already express retail's shape; the implementer wires this
-without per-packet closures (#315 pattern)". The in-tree faithful port is
-sitting unused — `RemoteTeleportHook.Execute` +
-`RemoteTeleportHookActions`, the ordered six-action seam with a currency check
-between each step. This is the 4b-3 round-2 R2 defect class verbatim: *a
-retail action skipped with the faithful port already in-tree.*
-
-**Not a regression** — the deleted `ApplyAuthoritativePosition` ran no hook
-either — but it is a divergence this commit had the obligation to close or
-record, and it did neither.
-
-**Correct behaviour:** run the hook through the existing ordered seam when the
-record carries the managers (`record.RemoteMotion`/its host), letting the
-per-manager guards no-op for a bare arrow exactly as retail's do; or state in
-AP-141 that only action 6 of `teleport_hook` @0x00514ED0 is ported for a
-projectile and that actions 1-5 are skipped even when the managers exist.
-
-*Note on the stale-queue half specifically:* while the Missile bit is set the
-remote interpolation is inert (`LiveEntityAnimationScheduler.cs:336` gates on
-`projectileHandlesMovement`), so the skipped `StopInterpolating` is latent
-rather than immediately observable — it becomes live again the moment ACE
-clears Missile on impact. `ClearTarget`/`NotifyVoyeurOfEvent` and
-`CancelMoveTo` have no such shield.
-
----
-
-### R3 — MINOR — invariant 4 ("prediction invalidated before every body write on this route") and invariant 2 (presentation) hold on the direct arm only; the retained-retry arm satisfies neither
-
-**Where:** `src/AcDream.Runtime/Session/RuntimeRemotePlacementDriveController.cs:1150-1213`
-(`Advance()`), reached from
-`src/AcDream.App/Net/GraphicalSessionEventRoute.cs:121`.
-
-A `Contention` outcome parks the packet in `_pending` and re-submits it one or
-more host cadence pumps later. That retry path calls `SubmitAndResolve`
-(a canonical body commit) and, on a destination that left the window,
-`StoreAcceptedDestinationPose` (a raw body write) — **without**
-`projectile.InvalidatePrediction()` and without `SyncProjectilePresentation`.
-The version bumped at packet time does not protect a quantum begun *after*
-that bump and straddling the retry.
-
-Presentation is the same shape: the App's `SyncPresentationFromResolvedBody`
-is called only from `OnPosition`, and `RuntimePlacementPresentationSink.TryPublishPlace`
-(`src/AcDream.App/World/RuntimePlacementPresentationSink.cs:210-241`) does not
-write `entity.Position`/`Rotation` — it snapshots whatever the entity already
-holds. So a retried projectile commit advances the canonical body with no
-presentation projection at all until the next quantum re-projects.
-
-Both are bounded (the retry pump runs from the network retry lease, not from
-inside the scheduler's `TryBeginQuantum`/`CompleteQuantum` straddle; the
-presentation lag self-heals on the next tick), which is why this is MINOR
-rather than MAJOR. But the invariants are stated absolutely, and this is the
-"an invariant satisfied on one arm only" class both 4b-3 rounds named.
-
----
-
-### R4 — MINOR — `SyncProjectilePresentation` silently drops the spatial+hidden clock consumption while its doc claims a faithful reduction
-
-**Where:** `src/AcDream.Runtime/Session/RuntimeRemotePlacementDriveController.cs:975-985`
-(doc) and `:1028-1042` (the `else if (spatial)` branch).
-
-The deleted tail was:
-
-```
-else if (spatial)
-{
- body.InWorld = true;
- body.LastUpdateTime = currentTime; // <-- gone
- _physics.Engine.ShadowObjects.Suspend(localId);
-}
-```
-
-The replacement omits `body.LastUpdateTime`. The doc immediately above claims
-the method is that tail "reduced … to this controller's own two-argument seam
-— `_clock` supplies the same clock source that method took as an explicit
-`currentTime` parameter", which is true of the *visible* branch and false of
-this one. The intent of the deleted write is documented elsewhere in the same
-subsystem (`ProjectileController.TryBind`: "consume the hidden clock so UnHide
-cannot replay a time backlog").
-
-Consequence is small — the projectile stepper takes its quantum from
-`RetailObjectQuantumBatch`, not from `body.LastUpdateTime`, and
-`ProjectileController.Tick:601-604` re-stamps `LastUpdateTime` on the
-`!InWorld` re-entry edge — but this is an unclaimed behaviour deletion inside
-a change whose comment asserts equivalence. (Clock *domain* is fine:
-`UpdateFrameOrchestrator.CurrentScriptTime => _runtime.SimulationTimeSeconds`,
-so `_clock.SimulationTimeSeconds` is the same base the App used to pass.)
-
----
-
-### R5 — MINOR — the App ignores the seam's returned status, so the "presentation advances on committed/stored outcomes only" gate exists on the Runtime side only
-
-**Where:** `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2237-2245`.
-
-Runtime deliberately withholds `SyncProjectilePresentation` for `Deferred` and
-`RejectedByPlacement` (with the comment "Deferred/RejectedByPlacement leave the
-body at its prior (already-synced) pose"). The App then calls
-`_projectileController.SyncPresentationFromResolvedBody(...)` unconditionally,
-discarding the returned `RuntimeRemotePlacementExecutionStatus?` entirely —
-including on `Deferred`, where `ParkDeferred` has already snapped the body to
-the parked result and withdrawn the entity. The App write moves the render
-entity to a pose Runtime declined to publish; if the park is later cancelled
-and restored (`WithdrawalRestored`), the entity re-shows there. That is
-AP-136's family.
-
-On the no-op and swallow dispositions the write is inert (same value), so this
-is MINOR, but the two layers disagree about the same invariant.
-
----
-
-### R6 — MINOR — on a stored (non-committed) outcome the render cell is left behind while the render position moves; retail's `store_position` writes `objcell_id` too
-
-**Where:** `src/AcDream.App/Physics/ProjectileController.cs:512-517`
-(`entity.ParentCellId = record.FullCellId`) with
-`RuntimeRemotePlacementDriveController.StoreAcceptedDestinationPose:1104-1136`.
-
-`StoreAcceptedDestinationPose` writes `body.Position` and `body.Orientation`
-only — not the cell, and D-P2 correctly forbids a `RebucketLiveEntity` on this
-arm. So after `Refused`/`Contention`/`RejectedPreparation` the render entity
-gets the new world position with the *old* `ParentCellId`. The deleted path
-could not produce this pairing: it always did `body.SnapToCell(fullCellId, …)`
-+ `CommitProjectileCell`.
-
-Retail's `store_position(this, arg2)` @0x00515CE2 writes the object's whole
-`Position` including `objcell_id`, and the branch then calls
-`CObjectMaint::GotoLostCell` @0x00515CF2 — i.e. retail moves the cell *and*
-hides the object pending load. This is largely AP-138's existing residual
-(shared with the remote far arm), but it is newly reachable for projectiles
-and worth naming when AP-141 is amended.
-
----
-
-### R7 — MINOR — the contract's App-layer dual-kind matrix (§7 items 8-10) is absent; the D-P6 dispatch has no test at all
-
-Added coverage is Runtime-only: `RuntimeProjectilePositionKindTests` (3 facts,
-kind derivation + mid-life flip) and 11 new
-`RuntimeRemotePlacementDriveControllerTests` facts. These are good tests —
-positive assertions, real behaviour, no source-text pins, and the split-quantum
-abort (T3) and no-velocity (D-P5) invariants are both genuinely exercised.
-
-But there is no test anywhere under `tests/AcDream.App.Tests` that drives
-`OnPosition`. The contract made the dual-kind `[Theory]` "what makes a future
-silent mis-tag fail a test", and item 10 required a sabotage check
-("hardcode Remote and confirm the dual-kind theories fail"). With no App-level
-test, hardcoding `isMissilePacket = false` at
-`LiveEntityNetworkUpdateController.cs:2229` would leave the suite green — the
-exact failure mode the discipline was written to catch. The swallow ordering,
-the presentation-ack ordering, and the "no `RemoteMotion` is ever created for a
-missile packet" claim are all untested.
-
----
-
-### R8 — MINOR — the corrected 4a comment now records an unjustified production behaviour with nothing tracking it
-
-`LiveEntityNetworkUpdateController.cs:2309-2323` now states that the retail
-justification for the remote arm's `TryCommitAuthoritativeVelocity` "is
-therefore NOT yet established and needs its own audit". That is the honest
-call, and the contract (§10) said to report rather than edit. But an
-acknowledged-unjustified velocity commit on a live production path now exists
-with no AP row and no `docs/ISSUES.md` entry — only a code comment. One line
-in ISSUES.md (or an AP row) would keep it findable.
-
----
-
-## C. Anything wrong in the CONTRACT itself
-
-Nothing factually wrong. Three notes:
-
-1. **§4's `teleport_hook` address is cited two ways and both are right** — the
- contract's §4 row 2 cites @0x005163EF (the call site inside
- `MoveOrTeleport`) and D-P4 cites @0x00514ED0 (the function). Confirmed
- consistent; no action.
-2. **D-P4's adopted-body sentence is the only pinned obligation the diff did
- not discharge** (R2). The contract's wording ("the implementer wires this
- without per-packet closures") is an instruction, not a claim, so the
- contract is not wrong — the implementation is incomplete against it.
-3. **D-P2 step 1's "Anything else: return `NotApplicable`-equivalent, write
- nothing"** is the source of R1. The contract pinned it without noticing that
- it removes the deleted path's fall-through and therefore *introduces* a new
- divergence needing its own register clause. Worth a sentence when AP-141 is
- amended, so the next reader does not read the contract as having cleared it.
-
-Everything else I checked in the contract holds: the retail chain (§4, all
-seven rows), the ACE unreachability (`WorldObject_Tick.cs:333-334` inside the
-`PhysicsState.Missile` branch at `:265`), the classifier's kind-blindness past
-`LocalPlayer` (`RuntimeAuthoritativePositionRouteClassifier.cs:349`,
-`:535-538`, `:564-575`), and the three ownership fences (`OwnsPlacement`
-widened; `OwnsFarSnap`/`OwnsTeleportPlacement` untouched, both arms still
-`ArgumentNullException.ThrowIfNull(remote)` + throwing route guards).
-
-I also spot-checked proof obligation **P3** and found no capture hazard: both
-`RemoteAuthoritative` stamps in `RuntimeSetPositionState`
-(`:3833/:3866` window-departure park, `:5338/:5350` legacy-direct withdrawal)
-construct *fresh* operations and the park loop skips records already in
-`_operations`, so neither can relabel a live `ProjectileAuthoritative`
-operation; `route.OperationKind` is threaded intact through
-`TryBeginExclusiveAuthoredPlacement` and `TryPrepareAndSubmitAuthoredPlacement`,
-so the `command.Kind != operation.Kind` consistency check at `:2963` is
-satisfied; and the direct-command gate at `:5445` admits local kinds only, which
-this route never uses. `MoverPhysicsState = record.FinalPhysicsState` is carried
-into the placement request (`:2007`, `:3007`, `:3810`, `:5496`), so the Missile
-bit still reaches the engine's `missile_ignore` handling.
-
----
-
-## D. Summary table
-
-| # | Sev | Where | Retail address contradicted |
-|---|---|---|---|
-| R1 | MAJOR | `LiveEntityNetworkUpdateController.cs:2222-2247` + `RuntimeRemotePlacementDriveController.cs:1004-1012` | `MoveOrTeleport` @0x00516330 via @0x00454254 — placement is unconditional on client machinery |
-| R2 | MAJOR | `RuntimeRemotePlacementDriveController.cs:1017` | `teleport_hook` @0x00514ED0 actions 1-5 (@0x00514EDB/@0x00514EEC/@0x00514EFB/@0x00514F0A/@0x00514F19) |
-| R3 | MINOR | `RuntimeRemotePlacementDriveController.cs:1150-1213` | — (invariant 4/2, one arm only) |
-| R4 | MINOR | `RuntimeRemotePlacementDriveController.cs:975-985, 1028-1042` | — (unclaimed behaviour deletion + stale doc) |
-| R5 | MINOR | `LiveEntityNetworkUpdateController.cs:2237-2245` | — (App/Runtime disagree on invariant 2) |
-| R6 | MINOR | `ProjectileController.cs:512-517`, `RuntimeRemotePlacementDriveController.cs:1104-1136` | `store_position` @0x00515CE2 / `GotoLostCell` @0x00515CF2 (writes cell too) |
-| R7 | MINOR | `tests/AcDream.App.Tests/**` (absent) | — (contract §7 items 8-10 undelivered) |
-| R8 | MINOR | `LiveEntityNetworkUpdateController.cs:2309-2323` | — (bookkeeping) |
diff --git a/docs/research/2026-08-04-c4-route-5-scoping.md b/docs/research/2026-08-04-c4-route-5-scoping.md
deleted file mode 100644
index 08da372f..00000000
--- a/docs/research/2026-08-04-c4-route-5-scoping.md
+++ /dev/null
@@ -1,604 +0,0 @@
-# C4 route 5 — projectile authoritative placement: scoping (2026-08-04)
-
-Research only. Nothing implemented, nothing edited under `src/` or `tests/`.
-All reads are against the clean tree at `d5bdc355` (`git status --porcelain`
-empty at the time of reading; route 4b-2 was in flight in another agent's
-session and had not yet written).
-
-**Headline: route 5 is much smaller than route 4, and roughly half of it has
-already shipped.** The Create half and the residence-window Position half are
-canonical today (C3b/C3c). What remains is one execution seam, three deletions,
-and two policy decisions that the campaign has not yet made. It should NOT
-split. But one of those policy decisions — the near-`Interpolate` branch — has
-no executable machinery in acdream at all, and if the contract does not settle
-it up front the implementer will reproduce route 4b-2's "deleted the only
-handler for a live branch" failure exactly.
-
----
-
-## 1. What route 5 actually is
-
-### 1.1 The classifier surface
-
-`RuntimePositionEntityKind.Projectile`
-(`src/AcDream.Runtime/Physics/RuntimeAuthoritativePositionRouteClassifier.cs:13`)
-is route 5's entity kind. It has exactly **one** behavioural effect anywhere in
-the classifier:
-
-- `OperationKind` (`:559-570`) maps it to
- `RuntimeSetPositionOperationKind.ProjectileAuthoritative` (`:567-568`).
-
-That is all. `ClassifyCreate` (`:205-273`) gives a Projectile the identical
-`SetPosition` + `InitialCreateFlags` route as any non-local entity — the only
-`EntityKind` test in that method is `is RuntimePositionEntityKind.LocalPlayer`
-at `:263-266`, for the teleport hook. `ClassifyAcceptedPosition` (`:308-473`)
-has a single `LocalPlayer` branch at `:349`; **Projectile and Remote fall
-through the same code from `:393` onward and are byte-for-byte identical in
-disposition, flags, `StopInterpolating`, and `ConstrainPhase`.** The existing
-test `RuntimeAuthoritativePositionRouteClassifierTests.cs:418-436`
-(`ProjectilePosition_UsesRemoteMoveOrTeleportClassification`) pins exactly
-that.
-
-So the dispositions route 5 owns for an accepted Position are the same four
-route 4 owns, discriminated only by `OperationKind ==
-ProjectileAuthoritative`:
-
-| Branch | Condition (classifier line) | Runs SetPosition? |
-|---|---|---|
-| `SetPosition` | `TeleportAdvanced \|\| CommittedCellId == 0` (`:399`) | yes |
-| `NoPositionOperation` | `!effectiveContact` (`:425`) | no |
-| `Interpolate` | contact, `PlayerDistance < 96 m` (`:454-459`) | no |
-| `SetPositionSimple` | contact, `PlayerDistance >= 96 m` (`:454-459`) | yes |
-
-**Consequence worth stating plainly: route 5 is not a classification change at
-all.** Whether a projectile's accepted Position is tagged `Projectile` or
-`Remote`, the classifier returns the same route. Route 5 is an *execution and
-ownership* consolidation — which owner runs the route, and which ledger the
-operation lands in.
-
-### 1.2 What is ALREADY canonical
-
-**(a) The Create half — DONE, live in production.**
-`RuntimeInitialCreateResidenceState.Begin` decides the kind at `:591-595`:
-
-```
-RuntimePositionEntityKind entityKind = isLocalPlayer
- ? RuntimePositionEntityKind.LocalPlayer
- : (record.FinalPhysicsState & PhysicsStateFlags.Missile) != 0
- ? RuntimePositionEntityKind.Projectile
- : RuntimePositionEntityKind.Remote;
-```
-
-This is the **only** production producer of `RuntimePositionEntityKind.Projectile`
-in the tree (verified by grep across `src/` and `tests/`). The first-entry
-conductor accepts it explicitly:
-`RuntimeRemoteFirstEntryState.cs:311-313` admits `RemoteAuthoritative
-or ProjectileAuthoritative`. And App has already been cut over —
-`DatLiveEntityProjectionMaterializer.cs:848-865` deliberately **skips**
-`_projectiles.TryBind` while `initialResidenceActive`, with a comment naming
-the exact bug that forced it ("the conductor then correctly rejected the
-unexpected owner and the missile remained permanently cell-less"). `TryBind`
-is retried on the committed projection-visible edge
-(`ProjectileController.cs:870-897`), by which point the canonical body exists
-and has been placed by the conductor.
-
-**(b) The residence-window Position half — DONE, dormant-but-wired.**
-`RuntimeInitialCreateContinuationExecutor.ApplyPositionAction:1892` recovers
-the kind from the lease's `OperationKind`
-(`EntityKindOf`, `:2571-2579`, which maps `ProjectileAuthoritative` →
-`Projectile` at `:2577-2578`) and classifies through the one shared request
-builder `RuntimeAcceptedPositionRouteRequests.Build`
-(`:1914-1928`). A Position arriving while a missile's initial residence is open
-is already fully canonical.
-
-Note the executor's own recorded gap at `:2019-2026`: for
-`Interpolate`/`NoPositionOperation`/`AwaitFreshPosition` it emits a typed trace
-and returns — *"Binding to the live interpolation owner is cutover work."* That
-gap is shared with route 4 and is one half of the policy question in §5 below.
-
-### 1.3 What is still a duplicate authority
-
-**The post-residence (steady-state) accepted Position for a live projectile.**
-Entry point:
-
-- `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:1428-1448` —
- inside `OnPosition`, positioned AFTER the remote-teleport hook (`:1417-1426`)
- and BEFORE route 4a's classification (`:1473-1481`). It calls
- `_projectileController.ApplyAuthoritativePosition(...)` and **returns when it
- returns `true`**, so a projectile never reaches the classifier at all today.
-- `src/AcDream.App/Physics/ProjectileController.cs:492-590` —
- `ApplyAuthoritativePosition` (two overloads + doc comment, 99 lines).
- Validates, then delegates.
-- `src/AcDream.Runtime/Physics/RuntimeProjectilePhysicsUpdater.cs:301-424` —
- the actual authority (124 lines): `body.Orientation = orientation` (`:345`),
- `body.SnapToCell(fullCellId, worldPosition, cellLocalPosition)` (`:346`),
- `body.State = record.FinalPhysicsState` (`:347`), a velocity commit
- (`:348-358`), `CommitProjectileCell` (`:370-375`), the presentation
- acknowledgement (`:387`), and the `InWorld`/`Activate`/shadow-sync tail
- (`:390-422`).
-
-`CommitProjectileCell` itself is **not** a bypass — `RuntimePhysicsState.cs:1376-1397`
-routes it into the shared `CommitCanonicalCell` (`:2138-2160`), the same
-canonical-cell writer the remote path uses. The 2026-08-02 inventory called it
-"ad hoc"; that is wrong and should be corrected in the contract. The bypass is
-`body.SnapToCell` + the `InWorld`/shadow tail running outside the
-`RuntimeSetPositionState` transaction, not the cell commit.
-
-### 1.4 Adjacent, NOT route 5
-
-Per the inventory and confirmed by reading:
-
-- **Per-quantum integration stays out of `SetPosition`.**
- `RuntimeProjectilePhysicsUpdater.TryBegin`/`Complete` (`:37-205`), driven by
- `ProjectileController.Tick` (`:640-766`) and `LiveEntityAnimationScheduler`
- (`:403-426`). `Complete`'s `SnapToCell` at `:145-152` plus `CommitProjectileCell`
- at `:158-163` is the simulation commit, not an authoritative placement.
- The 1,880 B/op → 944 B/op placement budget (C2, plan `:155-170`) is per
- *operation*; projectile integration runs per object quantum on every missile
- in flight. **Do not touch it.**
-- **`ApplyAuthoritativeVector` (`RuntimeProjectilePhysicsUpdater.cs:207-250`)
- and `ApplyAuthoritativeState` (`:252-299`)** are not placement authorities.
- Vector already goes through `_physics.TryCommitAuthoritativeVector` (`:242`).
- State's one pose write is `body.SnapToCell(record.FullCellId, body.Position,
- ...)` at `:286-296` — a re-normalize of the frame into the *already canonical*
- cell on the Missile-bit rising edge, not a move. The inventory's "reduce to
- acknowledge-only" framing overstates what is there.
-
----
-
-## 2. Retail truth
-
-Verify each yourself; every anchor below was read in
-`docs/research/named-retail/acclient_2013_pseudo_c.txt` during this pass.
-
-### 2.1 There is no projectile branch. At all.
-
-`SmartBox::UnpackPositionEvent` @0x004542C0 resolves the object from
-`CObjectMaint` (@0x004542F2) and calls `HandleReceivedPosition` (@0x00454358)
-with no state/kind test.
-
-`SmartBox::HandleReceivedPosition` @0x00453FD0:
-- FORCE_POSITION early return @0x0045400C requires `arg2 == this->player`.
-- `unset_parent` @0x00454129 unconditional; `SetPlacementFrame` @0x00454142
- gated on `!HasAnims`.
-- `if (arg2 != this->player)` @0x0045414D → `MoveOrTeleport` @0x00454254 →
- **`ConstrainTo` @0x00454272 inside `if (MoveOrTeleport(...) != 0)`, anchored
- to `&arg2->m_position` read live (post-move)** → `return`.
-
-A missile is not `this->player`, so **a projectile takes the identical remote
-arm.** No `state & Missile` test exists anywhere in this function.
-
-`CPhysicsObj::MoveOrTeleport` @0x00516330:
-```
-if (!newer_event(POSITION_TS-ish gate)) return 0; // @0x00516364/@0x0051636D
-if (newer_event(TELEPORT_TS, arg3) || this->cell == 0) { // @0x00516386
- teleport_hook @0x005163EF; SetFlags(0x1012) @0x00516414;
- SetPosition @0x00516420; return 1; // @0x00516438
-}
-if (arg4 != 0) { // @0x0051638E — the contact bit
- if (player_distance < 96f) // @0x00516390-@0x00516399
- { InterpolateTo(this, arg2, IsMovingTo(this)) @0x005163AF; return 1; }
- if (position_manager) StopInterpolating @0x005163CB;
- SetPositionSimple(this, arg2, 1) @0x005163D9; return 1; // @0x005163E8
-}
-return 0; // @0x0051636D
-```
-`SetPositionSimple` @0x005162B0 with `arg3 != 0` builds `0x1012`
-(`Teleport|Slide|SendPositionEvent`, @0x005162C4) — the classifier's
-`AuthoritativeTeleportFlags`.
-
-**Answers to the specific questions asked:**
-
-- *Does a projectile's authoritative Position take the same `MoveOrTeleport`
- path as a remote?* **Yes, identically.** Same function, same branches, no
- discriminator.
-- *What flags?* Teleport/cell-less → `0x1012` via the explicit `SetFlags`
- @0x00516414. Far snap → `0x1012` via `SetPositionSimple(…, 1)` @0x005162C4.
- Near and airborne → no `SetPosition` at all.
-- *Is `ConstrainTo` armed for projectiles?* **Yes** — @0x00454272, on any
- nonzero `MoveOrTeleport` return, with no kind test. It is NOT armed on the
- airborne no-op (return 0 @0x0051636D). `CPhysicsObj::ConstrainTo` @0x00510520
- calls `MakePositionManager` first, so retail *creates* the manager on demand
- for a missile.
-- *Is `StopInterpolating` called?* **Only on the far branch**, and only if a
- `position_manager` already exists (@0x005163C9-@0x005163CB). A missile that
- has never been near-interpolated has none, so the call is skipped.
-
-### 2.2 `player_distance` is maintained for missiles
-
-`CPhysicsObj::update_object` @0x00515D10 computes `player_vector` from
-`Position::get_offset` @0x00515D5B and stores `player_distance` @0x00515D95 for
-every active, unparented, in-cell object — which includes every in-flight
-missile. So retail's near/far test is meaningful for projectiles.
-
-(BN artifact note: the decomp shows `player_distance` taking `player_vector.x`
-@0x00515D7B-@0x00515D95. That is the standard x87-elision artifact for a vector
-magnitude; acdream's Euclidean `PlayerDistance` is the right reading. Flagging
-it so nobody "fixes" it to `.x`.)
-
-### 2.3 `MoveOrTeleport` discards the velocity argument
-
-`MoveOrTeleport(this, arg2, arg3, arg4, arg5)` declares
-`arg5 = AC1Legacy::Vector3 const*` and **never references it** in the
-decompiled body @0x00516330-@0x00516438. `HandleReceivedPosition` threads
-`arg6` into it @0x00454254 and does nothing else with it. Retail's velocity
-authority is `set_velocity` via VectorUpdate, not the Position event.
-
-*Confidence:* the parameter is textually unreferenced. I did not byte-verify
-against `refs/acclient.exe` that BN did not elide a use. Treat as **strong but
-not byte-confirmed**; it matters only because acdream currently *does* commit a
-velocity here (§3, item 4).
-
-### 2.4 What retail actually does to an in-flight missile — mostly nothing
-
-Chain the three facts: an in-flight missile has a non-null cell, no advancing
-TELEPORT_TS, and no ground contact. `arg4 == 0` → `return 0` @0x0051636D.
-**Nothing is written, and `ConstrainTo` is skipped.**
-
-The contact bit's provenance is ACE `PositionPack.BuildFlags`
-(`references/ACE/Source/ACE.Server/Network/Structure/PositionPack.cs:72-73`):
-`IsGrounded` is set from `TransientState & OnWalkable`. A flying missile is not
-`OnWalkable`.
-
-*Not established:* I did not observe a live missile Position packet, because
-(see §6) ACE does not send one. The claim "an in-flight missile's Position
-packet would carry `IsGrounded == false`" is an inference from ACE's flag
-definition, not a measurement.
-
----
-
-## 3. The duplicate authority to delete
-
-Exact deletion targets, with the fabricated values called out.
-
-| # | Site | Lines | What it is |
-|---|---|---|---|
-| 1 | `src/AcDream.Runtime/Physics/RuntimeProjectilePhysicsUpdater.cs:301-424` | 124 | The real authority: `SnapToCell` `:346`, velocity commit `:348-358`, `CommitProjectileCell` `:370-375`, `InWorld`/`Activate`/shadow tail `:390-422` |
-| 2 | `src/AcDream.App/Physics/ProjectileController.cs:492-590` | 99 | Two `ApplyAuthoritativePosition` overloads + doc; validation, currency closures, render-pose projection `:583-586` |
-| 3 | `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:1428-1448` | 21 | The early-return call site that keeps projectiles out of the classifier |
-
-Raw total **244 lines**; roughly **180 non-comment**.
-
-**Fabricated values on those paths:**
-
-- `LiveEntityNetworkUpdateController.cs:1442-1443`:
- `acceptedSpawn.Physics?.Velocity ?? System.Numerics.Vector3.Zero`. This is
- the exact `?? Vector3.Zero` shape route 4b-2's contract calls out, and it is
- worse than an inert default: it is passed into
- `RuntimeProjectilePhysicsUpdater.cs:348-358`, which commits it as the body's
- authoritative velocity whenever `VelocityAuthorityVersion` matches. A Position
- packet with no `PhysicsDesc.Velocity` therefore **zeroes an in-flight
- missile's velocity**. Retail's `MoveOrTeleport` does not consume its velocity
- argument at all (§2.3).
-- No duplicated distance/threshold constants exist on the projectile path —
- `MaxPhysicsDistance = 96f` and `BodySnapThreshold = 4f` live only in the
- classifier (`:194`) and route 4a's seam
- (`RuntimeRemoteSteadyStatePosition.cs:43`) plus the surviving 4b legacy far
- halves. Route 5 introduces no new copy and must not.
-
-**Not a deletion target, despite appearances:**
-
-- `ProjectileController.CanAcceptPositionPayload` (`:102-126`). It is called
- unconditionally at `LiveEntityNetworkUpdateController.cs:1205-1208` for
- **every** entity (it returns `true` for non-projectiles via `!= false`), so it
- is the shared admission validator, not a projectile authority. It also does
- **not** subsume item 1's inner validation: it checks `update.Position` and
- `update.Velocity`, while `ApplyAuthoritativePosition` additionally checks the
- origin-translated `worldPosition` and a *different* velocity
- (`acceptedSpawn.Physics?.Velocity`).
-- `ProjectileController.TryBind`'s create branch (`:222-267`) and its
- `entity.SetPosition`/`ParentCellId`/`RebucketLiveEntity` tail (`:269-291`).
- This *is* a placement authority — `GetOrCreatePhysicsBody` with a
- `SnapToCell` seeded straight from the CreateObject wire frame
- (`:258-264`) — but it is now the **fallback** for the paths the residence
- conductor does not own: `initialResidenceActive == false`
- (`DatLiveEntityProjectionMaterializer.cs:857`) and the late-classification
- route `ApplyAuthoritativeState` → `TryBind` (`ProjectileController.cs:488`),
- where an ordinary remote gains the Missile bit mid-life. Deleting it belongs
- to route 5 only if route 5 first proves those two paths unreachable or
- supplies a canonical replacement. **My recommendation: leave it, record it,
- and let C5's deletion pass own it** — see §7 trap T8.
-
----
-
-## 4. Prediction / correction
-
-This is where the subtle regression lives, and it is a real one.
-
-The projectile prediction model (J5.6):
-`RuntimeProjectile.PredictionAuthorityVersion` (`RuntimeProjectile.cs:36-39`)
-is bumped by `InvalidatePrediction()`. It is bumped in exactly three places,
-all in `RuntimeProjectilePhysicsUpdater`: `ApplyAuthoritativeVector:241`,
-`ApplyAuthoritativeState:272`, and **`ApplyAuthoritativePosition:342`**.
-
-That version is the **sole** cancellation mechanism for an in-flight split
-quantum:
-
-- `TryBegin` captures it into the commit (`:86-87`).
-- `Complete` re-checks it via `IsSpatialCurrent`/`IsIdentityCurrent`
- (`:114-122`, `:131-140`, `:164-174`, `:200-204`, `:440-450`).
-- App re-checks it too, in `ProjectileController.IsCurrentQuantumIdentity`
- (`:850-859`).
-
-And the quantum is genuinely split across other work:
-`LiveEntityAnimationScheduler.cs:403-426` calls `TryBeginQuantum` at `:404-408`,
-runs `_animationHooks.Capture` at `:411`, then `CompleteQuantum` at `:418-422`.
-`ProjectileController.AdvanceQuantum` (`:773-782`) is the fused variant for
-un-animated missiles.
-
-**The trap:** if route 5 replaces `ApplyAuthoritativePosition` with a
-`RuntimeSetPositionState` route and does not invalidate the projectile's
-prediction version at the same point, then (a) an already-begun quantum's
-`Complete` will no longer abort, and will write the pre-correction integrated
-pose over the freshly committed placement, and (b) the version stops advancing
-on this channel, weakening the currency checks that the Vector and State
-channels still rely on. The fix is trivial once seen — the contract must
-require the replacement to invalidate prediction at the *same* point in the
-sequence retail's `SetPosition` would clobber the body — but it is invisible if
-you only read the classifier.
-
-*Not established:* whether the network drain can actually land between `:408`
-and `:418` in a single frame (both are on the update thread; the wire pump is a
-separate frame phase, and `_animationHooks.Capture` can dispatch effect
-callbacks). I could not settle re-entrancy by reading alone. The mechanism —
-`InvalidatePrediction` being the only cancel — is established regardless, and
-that is enough to make the requirement binding.
-
-**Second prediction interaction:** retail's near branch is
-`InterpolateTo(this, arg2, IsMovingTo(this))` @0x005163AF, and
-`CPhysicsObj::IsMovingTo` @0x0050EB10 returns nonzero only when a
-`MovementManager` exists and is moving-to. A missile has no MovementManager, so
-retail passes 0. Any acdream near-branch policy that wants to be retail-shaped
-must pass `isMovingTo: false` for projectiles.
-
----
-
-## 5. The two policy decisions the contract must make
-
-Both are of the shape the 4b-2 contract names: *"deleting the legacy block
-removes the only handler for a live classification."* Neither can be deferred
-into a code comment.
-
-### 5.1 `Interpolate` (near, in contact) has NO executable machinery
-
-Route 4a's seam is `RuntimeRemoteSteadyStatePosition.ApplyInterpolate`
-(`:113-149`) and it takes a `RemoteMotion` — it drives `remote.Interp`
-(the interpolation queue) and `remote.Body`. `TryArmConstraintAfterOperation`
-(`:165-180`) requires `remote.Host` to reach `host.PositionManager.ConstrainTo`.
-
-A projectile has **none of that**. `RuntimeProjectile` (`RuntimeProjectile.cs:17-40`)
-is `{ Body, CollisionSphere, PredictionAuthorityVersion }`. No
-`EntityPhysicsHost`, no `PositionManager`, no `InterpolationManager`, no
-`ConstraintManager`. A pure missile also never acquires a `RemoteMotion` —
-that is created on the 0xF74C motion path, and
-`ProjectileController.HandlesMovement` (`:599-602`) plus
-`LiveEntityAnimationScheduler.cs:256-257,336` keep the two owners disjoint
-while the Missile bit is set. (Coexistence *is* representable —
-`ProjectileController.Tick:756` handles `record.RemoteMotionRuntime is
-RemoteMotion` — but it is the adopted-body case, not the ordinary arrow/bolt.)
-
-So the contract must choose, explicitly:
-
-1. **Build retail's `PositionManager` chain for projectiles.** Retail-exact
- (`ConstrainTo` @0x00510520 does `MakePositionManager` on demand). Also the
- only way to be exact about `StopInterpolating` @0x005163CB and the leash
- @0x00454272. Large: a new interpolation/constraint owner for a body type
- that has none, plus its interaction with the per-quantum stepper. **If this
- is chosen, it is route 5b and route 5 splits.**
-2. **State an acdream divergence: a projectile's near-`Interpolate` and its
- `ConstrainTo` are no-ops**, with a register row citing @0x005163AF and
- @0x00454272 and the reason (no PositionManager exists for a ballistic body;
- the classifier's own `ConstrainPhase` is honoured for the placement branches
- only). Cheap, honest, and — given §6 — has no observable production effect.
-
-**My recommendation is (2)**, with the row filed in the same commit. Choosing
-(1) for a branch that ACE never triggers would be building machinery for a
-packet that does not exist.
-
-### 5.2 The placement dispositions have no owner
-
-`RuntimeRemotePlacementDriveController.OwnsPlacement`
-(`src/AcDream.Runtime/Session/RuntimeRemotePlacementDriveController.cs:274-278`)
-requires:
-
-```
-route.OperationKind is RuntimeSetPositionOperationKind.RemoteAuthoritative
-&& route.Disposition is SetPosition or SetPositionSimple
-&& (route.SetPositionFlags & PhysicsSetPositionFlags.Teleport) != 0
-```
-
-`ProjectileAuthoritative` is **excluded**. So the moment route 5 stops
-short-circuiting at `LiveEntityNetworkUpdateController.cs:1432`, the
-`SetPosition` (teleport / cell-less) and `SetPositionSimple` (far) branches for
-a projectile have *no handler at all*.
-
-The controller is otherwise entirely kind-agnostic: the service window, the
-per-entity `_pending` map, the `_awaitingAcknowledgement` ledger, the
-refuse-not-park decision, and `DetachRoute`'s cancellation all read only the
-record and the token. Widening the first clause to
-`is RemoteAuthoritative or ProjectileAuthoritative` (plus its class/method doc)
-is ~10 lines and is the right move. Do **not** clone a sibling controller.
-
-**Sequencing constraint:** that file is route 4b-2's active edit surface, and
-route 4b-3 will touch it again. Route 5 must land *after* 4b-2, and its
-contract should say so.
-
----
-
-## 6. The connected gate — and an honest problem with it
-
-**ACE never sends an `UpdatePosition` for a missile.** The only physics-tick
-site that would is commented out:
-`references/ACE/Source/ACE.Server/WorldObjects/WorldObject_Tick.cs:333-334`
-(`/*if (PhysicsObj.IsGrounded) SendUpdatePosition();*/`), inside the branch
-explicitly gated on `(PhysicsObj.State & PhysicsState.Missile) != 0` at `:265`.
-Every live `SendUpdatePosition` / `GameMessageUpdatePosition` caller in
-`ACE.Server` is a Player, Creature/Monster, Pet, GamePiece, inventory move, or
-an admin command (grepped exhaustively). The projectile classes broadcast
-`GameMessageVectorUpdate` (`SpellProjectile.cs:238`) and `GameMessageSetState`
-(`:229`) on impact — never a Position.
-
-So **route 5's authoritative-Position half is unreachable in ordinary play
-against ACE**, and there is no cheap live trigger: the one admin path
-(`AdminCommands.cs:4772`, move-selected-object-to-me) requires selecting a
-projectile inside its ~5 s `ProjectileTimeout` lifetime.
-
-The contract must say this rather than invent a gate. Concretely:
-
-**What the user CAN observe (the Create half + no-regression):**
-1. In peace mode with a bow: fire an arrow at a target ~20 m away. The arrow
- must appear at the launch point immediately, fly a clean arc, and vanish on
- impact.
-2. Cast a Force Bolt / Flame Bolt at a target across a landblock boundary
- (stand near a seam, target something on the other side). The bolt must not
- freeze, teleport, or vanish at the seam.
-3. Fire indoors, in a dungeon: the projectile must respect the EnvCell and
- impact on the wall rather than passing through.
-4. Fire at a target at bow max range (~80 m) and confirm the projectile does
- not stall or snap.
-5. After each impact, walk through the impact point. **An invisible collider
- there is the loud regression** — it means a projectile's shadow/cell state
- survived its retirement.
-
-**Regression signatures:** projectile spawns at the origin or at the player's
-feet instead of the launch point; hangs motionless; disappears on frame 1;
-appears only after it has already travelled; leaves an invisible-but-solid
-body (the #184 signature); an arrow that visibly *slows or stops* mid-flight
-(that would be the §3 velocity-zeroing path, which route 5 removes — so if it
-is present today, it should stop).
-
-**What the gate cannot cover:** the four accepted-Position dispositions. Those
-must be gated by focused Runtime + App tests, with the ACE citation above
-recorded as the reason. Do not let a green connected gate be presented as
-evidence for the Position half.
-
----
-
-## 7. Traps
-
-**T1 — the near-`Interpolate` branch loses its only handler.** §5.1. Highest
-risk. Today `ApplyAuthoritativePosition` handles *every* projectile Position
-shape by hard-correcting. Route 5 replaces it with four dispositions, two of
-which (`Interpolate`, `NoPositionOperation`) have no projectile executor. The
-airborne one is correct as a no-op (retail returns 0). The near one is not, and
-silently dropping it is the same failure as 4b-2's `null`/`Rejected*` trap.
-
-**T2 — `OwnsPlacement` excludes `ProjectileAuthoritative`.** §5.2. The far and
-teleport/cell-less branches have no owner the instant the short-circuit is
-removed.
-
-**T3 — prediction invalidation.** §4. `InvalidatePrediction()` is the only
-mechanism that aborts an in-flight split quantum; the SetPosition route does
-not call it.
-
-**T4 — the entity kind is decided ONCE, at Create.**
-`RuntimeInitialCreateResidenceState.cs:591-595` reads
-`record.FinalPhysicsState & Missile` at Create time and freezes it into the
-lease's `OperationKind`. But the Missile bit changes at runtime: ACE clears it
-on impact (`SpellProjectile.cs:229` broadcasts the new state), and
-`ApplyAuthoritativeState` → `TryBind` (`ProjectileController.cs:473-488`) is the
-path where an ordinary object *becomes* a missile. Meanwhile
-`RuntimeEntityObjectLifetime.ClassifyRemoteAcceptedPosition:622` hardcodes
-`RuntimePositionEntityKind.Remote`. Route 5 must define one per-packet
-discriminator from the canonical `FinalPhysicsState`, and the remote arm and
-the projectile arm must be provably mutually exclusive on the same input —
-otherwise both or neither will own a packet at the moment the bit flips.
-Because the classifier is disposition-identical for the two kinds (§1.1), a
-mis-tag is *silent*: the route is right and only the ledger/owner is wrong.
-
-**T5 — `ApplyAuthoritativePosition` returns `true` on an invalid payload.**
-`ProjectileController.cs:550-554` and `RuntimeProjectilePhysicsUpdater.cs:329-339`
-both `return true` — "handled, ignore" — so the packet does *not* fall through
-to the generic remote path. Their validation is **not** subsumed by
-`CanAcceptPositionPayload` (§3). Any replacement must preserve the swallow, or
-an invalid projectile packet starts being routed as an ordinary remote.
-
-**T6 — carrying AP-87 onto a branch that does not need it.** Same shape as
-4b-2's warning. AP-87's `bodyToTarget > 4 m` / `!willBeDrTicked` guards
-(`RuntimeRemoteSteadyStatePosition.cs:43,130-138`) exist to stop an unplaced
-*remote* body being enqueued into an interpolation queue. A projectile has no
-queue. Do not copy them in. Equally: do not delete the near-branch copies —
-those are 4a's and still load-bearing.
-
-**T7 — routing per-quantum integration through `SetPosition`.** The one
-explicit prohibition carried from the original route-5 requirement, and the
-allocation budget is the reason. `RuntimeProjectilePhysicsUpdater.Complete`
-(`:94-205`) runs per quantum per in-flight missile.
-
-**T8 — deleting `TryBind`'s create branch as "obviously superseded".**
-`ProjectileController.cs:222-267` looks like dead legacy now that C3c owns
-Create, but it is still the live path for `initialResidenceActive == false`
-(`DatLiveEntityProjectionMaterializer.cs:857`) and for late Missile
-classification (`ProjectileController.cs:488`). Same class as the 4a review's
-R1 (a "duplicate" that turned out to be the only handler for a real case).
-
-**T9 — a second snapshot store for the same state.** The `_pending` /
-`_awaitingAcknowledgement` maps in
-`RuntimeRemotePlacementDriveController` are keyed by `RuntimeEntityKey` and are
-already per-entity. Adding a projectile-specific pending map alongside them
-would recreate the two-stores-for-one-state shape the campaign has hit twice.
-Widen the existing controller; do not add a parallel one.
-
-**T10 — the register.** No projectile placement row exists anywhere in
-`docs/architecture/retail-divergence-register.md` (grepped). Route 5 introduces
-at least one deviation (§5.1 option 2) and retires at least one (the velocity
-zeroing, §3). Both rows land in the same commit as the behaviour.
-
----
-
-## 8. Line budget, and whether route 5 splits
-
-Calibration: route 4a = 364 production lines; 4b-1 = 230 + a 57-line park fix;
-4b-2 budgeted at 350-500.
-
-| Item | Non-comment production lines |
-|---|---|
-| Delete the three sites in §3 | ~180 removed |
-| Runtime projectile steady-state seam (airborne no-op + the §5.1 policy + prediction invalidation) | 60-100 |
-| Projectile classification entry (extend `ClassifyRemoteAcceptedPosition` with a kind parameter, or a sibling) | 10-35 |
-| Widen `OwnsPlacement` + doc | ~10 |
-| App call-site rewrite in `OnPosition` (classify → own → skip generic → project committed placement) | 40-70 |
-| **Total added** | **120-215** |
-
-**Estimate: 250-400 non-comment production lines touched, of which 120-215 are
-new.** Test work is the larger share as usual — roughly 400-700 lines (Runtime
-seam tests per disposition, the prediction-invalidation test, a *behavioural*
-App test proving the generic path no longer runs for a projectile).
-
-**Route 5 should NOT split — conditional on §5.1 resolving to option 2.**
-If the contract chooses to build a `PositionManager`/`InterpolationManager`
-chain for projectiles, that is a separate 5b landing of its own and the
-estimate above does not cover it.
-
-**Sequencing: route 5 lands after 4b-2 and, preferably, after 4b-3**, because
-it edits `RuntimeRemotePlacementDriveController` and
-`LiveEntityNetworkUpdateController.OnPosition` — both of which 4b-2/4b-3 are
-rewriting heavily. A parallel route-5 landing would be exactly the
-"coupled plan slices in parallel" failure the project has already recorded.
-
----
-
-## 9. Explicitly not established
-
-1. **Whether the network pump can land a packet between
- `TryBeginQuantum` and `CompleteQuantum`** (§4). Would be settled by an
- `ACDREAM_PROBE_*` counter on a straddled `Complete` returning false, or by
- reading the frame graph's phase ordering end to end.
-2. **Whether retail's `MoveOrTeleport` genuinely ignores its velocity
- argument**, or BN elided a use (§2.3). Would be settled by
- `tools/pdb-extract` byte-decode of 0x00516330-0x00516438, or a cdb
- breakpoint at @0x00454254 dumping `arg6` and comparing the object's velocity
- before and after.
-3. **Whether an in-flight missile's Position packet would carry
- `IsGrounded == false`** (§2.4) — inferred from ACE's
- `PositionPack.cs:72-73`, never observed, because ACE does not emit the
- packet.
-4. **Whether `initialResidenceActive == false` is actually reachable for a
- Missile-state top-level Create in the graphical host** (§3, T8). It is
- plainly reachable in the content-less headless path
- (C3c: "content-less headless keeps pre-flip direct registration") and for
- Parented/PickedUp Creates. For a graphical top-level missile Create it
- depends on `RuntimeInitialCreateResidenceState.CanAcceptCreate` (`:559-573`)
- never refusing, which I did not prove.
-5. **Whether any retail server ever sent a projectile Position.** Only ACE was
- checked. Retail's client clearly supports it (§2.1); acdream targets ACE.
diff --git a/docs/research/2026-08-04-c4-route-6-contract.md b/docs/research/2026-08-04-c4-route-6-contract.md
deleted file mode 100644
index 328c7319..00000000
--- a/docs/research/2026-08-04-c4-route-6-contract.md
+++ /dev/null
@@ -1,124 +0,0 @@
-# C4 route 6 — drops and split-recovery: pinned contract (2026-08-04)
-
-Scoped in
-[`2026-08-04-c4-routes-6-7-scoping.md`](2026-08-04-c4-routes-6-7-scoping.md)
-§6. Pinned after route 4b-3 landed (`6dc7ba51`, gate passed `21cd6e9b`).
-
-**Route 6 requires ZERO production lines.** It is a closure, not a slice: C3c
-(`529e0e9d`) already flipped both hosts' Create paths onto the residence lease,
-and a dropped item is byte-for-byte route 1's create classification. The
-deliverable is evidence + coverage tests + one planning-record correction.
-
-**If implementing this contract requires a production change, STOP AND REPORT.**
-A production diff here means the scoping's central finding is wrong, and that
-is a finding worth more than the slice.
-
-## Why there is nothing to build
-
-A dropped item is an ordinary non-local CreateObject:
-`RuntimePositionEntityKind.Remote`, `RuntimeCreateResidenceKind.TopLevel`,
-`ClassifyCreate` → disposition `SetPosition` with
-`InitialCreateFlags = Placement | Slide`. Route 6 is a *source* of route-1
-traffic, not a route of its own.
-
-Both drop flavours already converge on the canonical transaction:
-
-- **Whole-item drop** — `ItemInteractionController.ExecutePlacementActions`'s
- `DropToWorld` case sends the drop with no physics and no position; the
- server's CreateObject returns through
- `LiveEntityHydrationController.OnCreate` → `RegisterLiveEntity` →
- `RegisterEntityWithInitialResidence`.
-- **Split-to-world** — `InventoryWorldDropProjectionController`'s
- `TryRecoverUnknownPosition` calls **the identical `_hydration.OnCreate`
- entry point**. Same residence lease, same conductor, same placement.
-
-So the campaign handoff's route-6 requirement ("`TryRecoverUnknownPosition`
-may create the logical object, but it must enter the same canonical
-create-placement transaction") is already met, by C3c, with zero route-6 code.
-
-## The false premise this closure exists to retire
-
-`docs/plans/2026-08-02-placement-cutover.md:98-100` states route-6
-split-recovery creates "need an effect-replay suppression signal". **That is
-unsubstantiated and must be corrected in this landing.**
-
-acdream's only create-time effect replay is the F754/F755 queue drain keyed by
-server GUID (`EntityEffectController.ReplayPendingForLiveEntity`), written only
-by inbound `PlayPhysicsScript`/`PlayPhysicsScriptType` for that exact GUID. A
-fresh split GUID has nothing queued unless ACE actually sent an effect for it,
-and draining it then is retail's own behaviour
-(`SmartBox::HandlePlayScriptID` @0x00452020 / `HandlePlayScriptType`
-@0x00452070 queue while absent; `HandleCreateObject` @0x00454C80 drains).
-
-The one plausible mechanism — a cloned `DefaultScriptType` surviving
-`BuildSpawn` — **does not fire at create in either client.** acdream's
-`PlayDefault` has exactly two callers, both animation hooks
-(`DefaultScriptHook`, `DefaultScriptPartHook`). Retail matches:
-`CPhysicsObj::play_default_script` @0x005132B0 / @0x00513300 is reached only
-from `ACCWeenieObject::DoCollision` @0x0058C3A0 (call @0x0058C3B4) and the
-animation-hook dispatcher (@0x00526C08, @0x00526C14). **Neither client plays a
-default script from `set_description` or CreateObject.**
-
-**Verify both retail claims yourself before relying on them.**
-
-## Retail truth for split-recovery marking
-
-`ACCWeenieObject::UIAttemptSplitTo3D` @0x0058D850 records exactly three fields:
-`splitStackSize` @0x0058D8A2, `splitClassID` @0x0058D8A8, `splitTime`
-@0x0058D8AE. `UIAttemptSplitToContainer` @0x0058D7D0 records the identical
-three. The consumer is `ACCWeenieObject::DeclareValid` @0x0058E340, whose
-recovery action is `SetSelectedObject(this->id, 0)` @0x0058E481 — **a SELECTION
-transfer, with a 10-second expiry @0x0058E49F-@0x0058E4B2. Not effect
-suppression, and nothing placement-related.**
-
-`ACCWeenieObject::UIAttemptPutIn3D` @0x0058D700 (whole-item drop) records no
-marker at all and performs no placement.
-
-## Deliverables
-
-1. **Coverage tests, 150-250 lines**, against the now-flipped path — the list
- the campaign handoff names: whole item, split stack, new GUID, second drop
- position, unavailable destination, newer Position arriving while waiting.
- Note "attached child becoming a world root" from that list is **NOT route
- 6's** — it is a cell-less Position on an existing entity, owned by 4b-3.
-2. **R6-c settled by assertion, not by argument.** `BuildSpawn` clones
- `Children` / `Movement` / `AnimationFrame` / `SetupTableId` wholesale from
- the source. Expected inert for a stackable inventory item but never
- measured. Assert it in the tests rather than reasoning about it.
-3. **The plan correction** at `docs/plans/2026-08-02-placement-cutover.md:98-100`.
- All three clauses are stale: the effect-replay premise is unsubstantiated
- (above), and route 7's `TryCommitParent`/`CommitWithdrawal`
- cancellation-symmetry and host-visible cancellation receipts were BOTH
- closed at C0. Replace with what actually remains: route 7's child-cell
- two-writer split and the headless parent-realize gap.
-4. **R6-a filed as an issue, NOT implemented here.** `DeclareValid`'s
- `SetSelectedObject` is not ported and the container-split flavour has no
- marker. That is selection UX, not placement; mixing it into a placement
- closure makes the landing un-reviewable. Add to `docs/ISSUES.md`.
-
-## What must remain true
-
-- **Zero production lines.** No `src/**` change. See the stop condition above.
-- **Tests must fail against broken behaviour.** No source-text pins, no
- tautologies. The 4b-3 lesson (round-2 finding B1): a test asserting only what
- must NOT happen cannot detect a deleted write — assert the positive half too.
-- AP-124 (the WCID/count approximation in the recovery match) stays open and
- registered; retiring it needs ACE to send CreateObject to the initiator, not
- a client change.
-
-## Gates
-
-- Complete Release suite. **Baseline 11,013 passed / 4 skipped / 0 failed** at
- `6dc7ba51` — measure and record; do not inherit. Known flakes, do not chase
- and do not conflate: #302 (`PortalProjectionTests`, GC-allocation) and #308
- (`NakEmissionTests.LossSoak_…`, wall-clock, full-suite load only).
-- **Connected gate (user-run), cheap and directly visible:** drop a whole item
- on open ground — it must land at your feet, resting, immediately pickable.
- Split a partial stack to the ground — correct quantity on the pile, remainder
- in inventory. Drop a second item within ~1 m — both remain visible and
- separately pickable. Repeat once indoors and once after a portal recall. Walk
- two landblocks away and back — both piles still there, still pickable.
- **Regressions:** item at world origin or your *previous* position (stale
- pose); invisible but blocking (#184 class); sunk into or floating above the
- floor; not pickable; the split pile never appears (recovery window failed);
- the second drop swallowed by the first.
diff --git a/docs/research/2026-08-04-c4-route-7-architecture-review-round2.md b/docs/research/2026-08-04-c4-route-7-architecture-review-round2.md
deleted file mode 100644
index a6b93dbc..00000000
--- a/docs/research/2026-08-04-c4-route-7-architecture-review-round2.md
+++ /dev/null
@@ -1,418 +0,0 @@
-# C4 route 7 — ARCHITECTURE / ADVERSARIAL review, round 2 (DELTA) — 2026-08-04
-
-**Verdict: PASS.**
-
-All three round-1 blocking findings (A1, A2, A3) are properly remediated, and
-each remediation is sabotage-sensitive in the direction that matters. Seven new
-findings (B1–B7) are recorded below; none is a correctness defect in shipped
-behaviour with a demonstrated failure, and each has a one-to-three-line fix.
-**B1 and B3's logging clause are recommended before the connected gate**, but
-neither blocks.
-
-Scope: delta only. Round 1's accepted conclusions — the `SetFullCell` blast-radius
-enumeration, the D2 chokepoint-completeness proof, and the D7 inertness
-verification — are not re-litigated. Round-1 report:
-[`2026-08-04-c4-route-7-architecture-review.md`](2026-08-04-c4-route-7-architecture-review.md).
-
-Gates re-run:
-
-- `dotnet build` Runtime.Tests + App.Tests — 0 warnings, 0 errors.
-- `dotnet test AcDream.Runtime.Tests` — **1,157 passed / 0 failed** (was 1,156;
- +1 = the depth-cap test).
-- `dotnet test AcDream.App.Tests --filter EquippedChild` — **37 passed / 0
- failed** (was 36; the round-1 D4 test was replaced by two).
-
----
-
-## 1. Round-1 blockers — re-verified
-
-### A1 (MAJOR, "the D4 test cannot fail") — **FIXED, and the fix is sound.**
-
-`tests/AcDream.App.Tests/Rendering/EquippedChildProjectionWithdrawalTests.cs:321-393`
-(`TickChild_D4_PresentationBucketMovesToTheDestinationLandblock`).
-
-**Is it measuring the draw bucket or a proxy?** The draw bucket.
-`fixture.Spatial` is a real `GpuWorldState` (`:1443`, `= new()`), and
-`CopyLiveEntitiesNearLandblock` (`src/AcDream.App/Streaming/GpuWorldState.cs:493-523`)
-reads `_loadedLiveByLandblock` — the per-landblock `HashSet` the
-renderer's live-entity publication actually maintains. It is not a mirror field
-and not a derived view. It also `destination.Clear()`s at `:500`, so the
-four sequential queries in the test do not contaminate each other (without that
-clear, the `DoesNotContain` assertions would be false-negatives; with it, they
-are real).
-
-**Can it pass with the demotion removed?** No, and I checked both sabotage
-directions:
-
-- *Delete the `RebucketEquippedChildPresentation` call at
- `EquippedChildRenderController.cs:411-425`* → the child never leaves
- `oldLandblock`, so the post-tick `Assert.Contains(newLandblock…)` fails. This
- is the failure the round-1 test could not produce.
-- *Revert to the legacy `RebucketLiveEntity`* → the bucket moves (so the
- `Contains` passes) but `CommitRebucket` → `RuntimeEntityRecord.SetFullCell`
- bumps `SpatialAuthorityVersion` unconditionally (`RuntimeEntityRecord.cs:246-251`),
- so the final `Assert.Equal(childSpatialVersionBeforeTick, …)` fails.
-
-Both halves of the transfer are therefore pinned in opposite directions. The
-test also cannot pass **vacuously** on an empty query result: the pre-tick
-`Assert.Contains(oldLandblock…)` and the post-tick `Assert.Contains(newLandblock…)`
-are positive assertions on two different landblocks, and a
-`!_availability.IsWorldAvailable` early-return (`GpuWorldState.cs:501`) would
-fail the first one. The implementer's reported sabotage ("stubbing the demoted
-call to claim success failed it — empty collection") is consistent with that
-structure.
-
-### A2 (MAJOR, "silent write-nothing outcome") — **FIXED. The fork is the right call; `NotAttached`-as-benign is safe.**
-
-I judged the fork against the alternative I originally suggested, and the
-implementer's choice is better. Reasoning, done by enumeration rather than by
-accepting the stated rationale:
-
-`NotAttached` is returned only when `!HasCommittedParent(serverGuid)` or when an
-initial-create residence is active. The complete set of things that can remove
-`_lastAcceptedByChild[child]` is `ParentAttachmentState.RemoveCommittedChild`,
-reached from exactly six call sites:
-
-| remover | is it an unwind edge? |
-|---|---|
-| `CommitProjection` (`:581`) | re-adds on the next line — transient, unobservable |
-| `EndChildProjection` (`:753`) | yes — pickup / Position-unparent |
-| `EndGeneration(child)` (`:709`) | yes — child replaced |
-| `DeleteGeneration(child)` (`:734`) | yes — child deleted |
-| `RemoveCommittedParentReferences(parent)` (`:865-873`, from `EndGeneration`/`DeleteGeneration` on the PARENT) | yes — parent deleted/replaced |
-| `RemoveObject` / `RemoveChild` (`:660`, `:756`) | zero production callers |
-
-`CommitProjection` is also the **only** writer, and
-`PrepareAndTryRealize` always calls it before `TryRealize` installs the
-`AttachedChild` (`EquippedChildRenderController.cs:861-891`), with the recovery
-branch gated on `Relations.IsCommitted`. So `_attachedByChild` non-empty ⇒
-committed, **unless one of the five genuine unwind edges has fired**. There is
-no state in which a child is legitimately attached, rendering, and
-`HasCommittedParent` is false. `NotAttached` therefore cannot swallow a real
-pose-loss — it can only fire in a window where a teardown is already in flight
-and owns the child's fate.
-
-The parent-deleted case is worth naming because it is the longest window
-(`_pendingOrphanRemovalByChild` defers the withdrawal across frames,
-`EquippedChildRenderController.cs:342`/`:584`): during it, D3 has already zeroed
-the child's canonical cell and the bucket is frozen at the parent's last
-landblock. That is unchanged from pre-route-7 behaviour (the old
-`RebucketLiveEntity` would have rebucketed to the same stale
-`parent.ParentCellId`), so it is not a regression.
-
-Routing `NoProjection` into `WithdrawForPoseLoss` is also correct for the
-`_projections.TryGetCurrent` failure it is named for — see **B6** for the second
-condition that shares the label.
-
-### A3 (MEDIUM, "P8 enumerated the wrong interface") — **FIXED.**
-
-`RuntimeEntityDirectory.cs`'s `PropagateFullCellToChildren` doc now carries a
-dedicated `` naming `GameRuntimeEventHub` as itself an
-`IRuntimeEntityObjectObserver` that fans out to `IRuntimeEventObserver`, and
-`RuntimeTraceRecorder.OnEntity` as the real non-stub consumer, and explicitly
-retracts "no consumer at all". The decision (publish nothing) is unchanged and
-its stated basis is now true. P4's write-up in the same comment also correctly
-states the `ProjectionKind is World` reason for the no-spatial-root claim rather
-than the round-1 relation-based reason.
-
-### A4, A5, A7, A9, A10 — spot-checked, all correct.
-
-- **A4** — `RuntimeEntityObjectLifetime.CommitAcceptedParentCellless` carries the
- payload-contract doc, and `Attach_ParentCelled_…` now subscribes a
- `RecordingEntityObserver` and asserts the `Withdrawn` delta's
- `Entity.CellId == parent.FullCellId` and `!= 0`
- (`RuntimeEntityChildCellPropagationTests.cs:34-57`). Sabotage-sensitive:
- moving D1's re-cell after the publish makes `withdrawn.Entity.CellId` zero and
- fails two assertions. This is a real pin, not a source-text pin.
-- **A5** — `RuntimeInitialCreateContinuationExecutor.cs:2184-2190`: the dormant
- pickup replay now runs `EndChildProjection` before `LeaveWorld`, matching
- `TryApplyPickup`. Both pickup paths are one shape.
-- **A7** — the skip is now keyed on the `(FullCellId, CanonicalLandblockId)`
- pair (`RuntimeEntityDirectory.cs:389-395`), with the reason stated. Cycle
- termination is unaffected: A→B→A still writes A, writes B, then finds A's
- **pair** already equal and stops (`PropagationChokepoint_TerminatesAHostileTwoCycle…`
- still green).
-- **A9** — `RebucketEquippedChildPresentation` now carries the same
- `MaterializationResidence is AwaitRuntimePlacement && HasActiveInitialCreateResidence`
- gate `RebucketLiveEntity` honours (`LiveEntityRuntime.cs:1140-1145`).
-- **A10** — the C3c-R1 F6 summary is back on
- `FirstEntryDriveServesOneRouteAtATimeAndScopesClearToTheOwner`
- (`RuntimeLiveEntitySessionControllerTests.cs:422-430`); no duplicate
- `` remains.
-
----
-
-## 2. New findings
-
-### B1 — MEDIUM. The `NotAttached` test's "the draw bucket did NOT move" assertion is non-discriminating.
-
-**Where:** `tests/AcDream.App.Tests/Rendering/EquippedChildProjectionWithdrawalTests.cs:395-450`
-(`TickChild_D4_NotAttachedDisposition_SkipsTheBucketMoveWithoutFailingTheTick`),
-final assertion at `:445-448`.
-
-Unlike its sibling, this test never moves the parent: both entities are spawned
-at the fixture's default `Cell` and no `CommitRebucket` runs. So
-`parent.WorldEntity.ParentCellId` still names the **same landblock the child's
-bucket is already in** (`0x0101FFFF`). If the `HasCommittedParent` guard were
-deleted outright, `RebucketLiveEntityPresentationOnly` would run and rebucket
-the child to the landblock it is already in — and
-`Assert.Contains(buffer, kv => kv.Value == child.WorldEntity)` on `oldLandblock`
-would still pass.
-
-**Concrete failure scenario:** delete the `HasCommittedParent` check at
-`LiveEntityRuntime.cs:1137-1138`. The guard A2 exists to establish is gone; the
-enum collapses to `Moved`/`NoProjection`; this test stays green.
-
-The test's **load-bearing half is sound** — `LastFullPoseCompositionVisits` +
-`AttachedEntityIds` genuinely pin "the tick was not torn down as a pose loss",
-which is the fork judgement A2 asked for, and *that* half does fail if
-`NotAttached` were routed to `return false`. Only the bucket clause is
-decorative.
-
-**Fix direction:** mirror the sibling — register the second landblock, drive
-`CommitRebucket(parent, newCell, newLandblock)` before the tick, and assert the
-child is **still in `oldLandblock`** afterwards. Then the assertion discriminates.
-
-### B2 — MEDIUM. A6's justification comment contradicts the R6 gap comment two methods away, and the narrowing removed a (weak) recovery path.
-
-**Where:** `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs:414-433`
-(`RetryChildrenWaitingForParent`'s A6 ``) vs `:346-370`
-(`ResolveAndCommitChildAttachment`'s R6 KNOWN-GAP ``).
-
-The A6 comment justifies scanning only `_unresolvedByChild` on the grounds that
-"this drive never populates `_stagedByChild`/`_recoveryByChild` through any path
-those two sweeps exist to catch". That is false: `ParentAttachmentState.Resolve`
-sets `_stagedByChild[childGuid]` on accept (`:472-475`), and the R6 gap
-documented two methods above is *precisely* a relation left staged-but-uncommitted
-because `TryCommitParent`'s POSITION_TS gate was not satisfied during the child's
-pending initial-create residence.
-
-**Concrete failure scenario:** a headless `ParentEvent` arrives while the child's
-initial residence is pending. `Resolve` stages it; `TryCommitParent` refuses; the
-relation sits in `_stagedByChild` forever. Under round 1's
-`ChildrenWaitingForParent` (which unioned all three tables) a later spawn naming
-the same parent guid would have re-driven it; under `ChildrenUnresolvedForParent`
-nothing will. Weak in practice — it needs a *new parent generation* to fire — but
-the narrowing strictly reduced recovery, and the comment claims it did not.
-
-The R6 gap itself is disclosed honestly and I accept it as an out-of-scope
-residual (headless committed nothing on this path before D5 existed). The
-finding is the contradiction, plus the consequence for the **contract §7 headless
-gate**: its scenario is "the local player equips via the bot command surface and
-crosses a boundary". If the equip lands during the item's own residence, the gate
-produces no `cause=headless-attach` line and must be read as a **not-run**, not a
-pass — the same rule the contract already states for `cause=propagate`.
-
-**Fix direction:** correct the A6 `` to say what is actually true (this
-drive promotes unresolved relations; a staged-but-uncommitted relation is the R6
-gap and is deliberately not retried here), and cross-reference the R6 paragraph.
-No code change required.
-
-### B3 — MEDIUM. The depth cap's failure mode contradicts AP-142 clause (a), is unrecoverable, and is invisible without the probe flag.
-
-**Where:** `src/AcDream.Runtime/Entities/RuntimeEntityDirectory.cs:349-357`
-(the constant) and `:433-441` (the early return).
-
-Three separate points, in descending importance:
-
-1. **The failure mode is the shape the model exists to avoid.** Past depth 64
- the tail keeps a **stale non-zero** `FullCellId`. Under acdream's single-field
- model that reads as "still resident at the old cell" at all 45+ predicate
- sites — exactly the `#184` invisible-but-solid shape that AP-142 **clause (a)**
- cites as the reason the removal path propagates zero rather than reproducing
- retail's stale-`objcell_id` residue. The cap therefore reintroduces, as its
- *chosen* failure mode, the residue the row rejects. Zeroing the truncated
- subtree instead ("we cannot maintain this, so it is not resident") is both
- consistent with the model and strictly safer.
-2. **It is unrecoverable.** Every subsequent crossing truncates at the same
- depth, so a subtree that falls past the cap once never re-syncs. And because
- the skip is value-idempotent, a later same-value write prunes even earlier
- (the asymmetry AP-142 clause (b)'s R10 correction already records). A
- permanently-stale resident subtree is worse than a transiently-stale one.
-3. **It is silent in production.** `[child-cell-depth-exceeded]` is emitted only
- under `PhysicsDiagnostics.ProbeChildCellEnabled`, i.e. only when someone has
- already set `ACDREAM_PROBE_CHILD_CELL=1`. A defensive guard whose premise is
- "this must never happen" should be unconditionally observable — a one-shot
- log or a counter on the ownership ledger — or nobody will ever learn it fired.
-
-**Is 64 defensible?** Yes, as a number. Real chains are 2–3 deep
-(player → weapon; quiver → arrow). 64 is ~20× any plausible depth and is well
-inside a 1 MB stack for a two-frame-per-level recursion. **Is the cap the right
-mechanism?** An iterative worklist over a pre-sized scratch would remove the
-hazard entirely, keep 0 B after warmup, and need no cap, no divergence row, and
-no failure mode — that is the answer I would take if this is revisited. But the
-cap is a strict improvement over round 1's uncatchable process kill, so it is not
-a blocker.
-
-**Fix direction (cheapest first):** (i) make the past-cap log unconditional;
-(ii) zero the truncated subtree rather than leaving it stale, and amend AP-142
-clause (e) to say so; (iii) if revisited, replace the recursion with an
-iterative worklist and retire clause (e).
-
-### B4 — LOW. The reused scratch buffer is not re-entrancy-safe; round 1's fresh array was.
-
-**Where:** `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs:73`
-(`_unresolvedChildrenScratch`), `:434-440` (filled, then iterated while calling
-`ResolveAndCommitChildAttachment`).
-
-`ChildrenUnresolvedForParent` **clears and refills the caller's buffer**
-(`ParentAttachmentState.cs:657-660`). `RetryChildrenWaitingForParent` then
-iterates that same instance while calling into
-`ResolveAndCommitChildAttachment` → `TryCommitParent` /
-`CommitAcceptedParentCellless` → `AcknowledgeProjectionAndPublish` → synchronous
-observer fan-out through `GameRuntimeEventHub`.
-
-**Concrete failure scenario:** an `IRuntimeEventObserver` synchronously feeds a
-spawn back into the sink → nested `OnSpawned` → nested
-`RetryChildrenWaitingForParent` → the shared buffer is cleared and refilled →
-the outer loop's `waiting.Count` and indices now address the inner call's
-contents, so children are skipped or retried twice. Requires an observer that
-re-enters the sink; the shipped headless policies are empty stubs, so this is
-latent, not live. The graphical sibling it mirrors
-(`ChildrenWaitingForParent` → `.ToArray()`) is re-entrancy-safe by allocation,
-and round 1's version inherited that safety; the A6 optimization traded it away
-without a guard.
-
-**Fix direction:** a `_retryInProgress` flag that falls back to a fresh `List`
-when re-entered, or state the single-entry precondition in the doc and assert it.
-
-### B5 — LOW. The recursion no longer routes children through the public `SetFullCell`, creating a silent divergence trap.
-
-**Where:** `src/AcDream.Runtime/Entities/RuntimeEntityDirectory.cs:409-414` —
-propagation now calls `child.SetFullCell(...)` (the **record** method) plus a
-direct recursive call, where round 1 re-entered `RuntimeEntityDirectory.SetFullCell`.
-
-The two are equivalent **today** — the public method is exactly
-`EnsureKnown` + `record.SetFullCell` + propagate, and `EnsureKnown` is a
-validation-only throw (`:812-820`) already subsumed by the preceding
-`TryGetActive`. The change was needed to thread `depth`.
-
-**Concrete failure scenario:** anyone later adding a side effect to
-`RuntimeEntityDirectory.SetFullCell` — an index update, a delta publish, a
-telemetry counter — gets it for the root and **silently not** for propagated
-children, reintroducing exactly the "mapping written against one caller's
-reachable set" class D2 was designed to eliminate. Nothing in the code says the
-equivalence is load-bearing.
-
-**Fix direction:** give the public method a private `depth`-carrying overload and
-have the recursion call *that*, so there is one body; or add one comment line at
-`:409` naming the equivalence as an invariant to maintain.
-
-### B6 — LOW. `NoProjection` conflates two different outcomes, and one of them now triggers a teardown that round 1 did not.
-
-**Where:** `src/AcDream.App/World/LiveEntityRuntime.cs:1131-1152`. The enum doc
-(`:45-56`) defines `NoProjection` as "the graphical projection itself is gone",
-but `:1147-1152` also returns it when `RebucketLiveEntityPresentationOnly`
-returns `false` — which means the **projection operation was displaced by a
-re-entrant callback** (`IsCurrentProjectionOperation` at `:1029`/`:1054`), i.e. a
-*newer* rebucket took over. `TickChild` then returns `false` →
-`Tick()`'s `failed` list → `WithdrawForPoseLoss`.
-
-**Concrete failure scenario:** a re-entrant observer starts a newer rebucket for
-the same child mid-`_spatial.RebucketLiveEntity`; the older tick concludes
-"projection gone" and withdraws the child's projection that the newer operation
-just legitimately re-established. Low reachability — the
-`_presentationOnlySpatialMutationDepth` guard (`:3354-3360`) already suppresses
-the most likely re-entrant rebucket source — but round 1 discarded the bool, so
-this teardown is new behaviour introduced by the A2 fix.
-
-**Fix direction:** either split the displaced case into its own disposition
-(`Superseded`, treated as benign — the newer operation owns the bucket), or
-document at `:1147` that displacement is deliberately treated as pose loss and
-why.
-
-### B7 — INFO. One other test derives a built-collection size from a live production constant.
-
-Asked directly, so answered directly: I swept `tests/` for the shape that caused
-the implementer's 64,000-node stack overflow (a test that both *reads* a
-production constant and *sizes work* by it). Exactly one other match with real
-blast radius:
-
-`tests/AcDream.Core.Tests/World/LandblockLoaderTests.cs:210` —
-`for (uint i = 0; i <= LandblockStaticEntityIdAllocator.MaxCounter + 1u; i++)`
-builds one `Stab` per iteration. `MaxCounter = 0xFFF`
-(`src/AcDream.Core/World/LandblockStaticEntityIdAllocator.cs:16`), so 4,097 cheap
-allocations today. A sabotage raising it by orders of magnitude would OOM or hang
-rather than stack-overflow, and the test's `Assert.Contains("4096-entry", …)`
-literal pins the constant — but only *after* the build loop, so the pin does not
-protect the loop. Milder than the route-7 case and pre-existing; noted, not
-filed against this slice.
-
-The other three matches are benign: `LightManagerTests` (`MaxGlobalLights = 128`,
-+50 iterations of trivial work) and the two `CapacityTrimIdleFrames` frame loops.
-
-The route-7 depth test's own remaining constant read
-(`RuntimeEntityChildCellPropagationTests.cs:473`,
-`for (i = 0; i <= MaxPropagationDepth; i++)`) is **correctly protected**: the
-literal pin `Assert.Equal(64, RuntimeEntityDirectory.MaxPropagationDepth)` at
-`:441` fires first, and the chain length at `:442` is a literal. The boundary is
-pinned in both directions — a cap of 70 would give index 69 the new cell and fail
-the tail assertion; a cap of 60 would leave indices 61–64 stale and fail the loop.
-
----
-
-## 3. Direct answers to the coordinator's remaining questions
-
-### The `WarmedSteadyContactRefreshDoesNotAllocate` flake — **#302 class. Not this slice.**
-
-Stated definitely rather than hedged, because it is provable by reachability:
-
-- The measured window
- (`RuntimeCollisionReportingStateTests.cs:2375-2379`) contains **only**
- `lifetime.Physics.HandleSetPositionCollisions(...)`. Entity registration and
- shadow setup happen before `GC.GetAllocatedBytesForCurrentThread()` is sampled.
-- `src/AcDream.Runtime/Physics/RuntimeCollisionReportingState.cs` contains **zero**
- occurrences of `SetFullCell` and **zero** of `ParentAttachments` (grepped). Its
- only `_entities` interactions are read-only queries (`TryGetByLocalId`,
- `IsCurrent`, `SessionLifetimeVersion`, `CurrentLifetimeMutation`) plus
- `StopMissileAfterCollision`, which mutates `FinalPhysicsState`, not the cell.
- `StopMissileAfterCollision` is not in the complete `SetFullCell` caller set
- enumerated in round 1 §0 and re-verified against this diff.
-
-So `PropagateFullCellToChildren` is not reachable from the measured call at all,
-and the fixture has no committed parent relations in any case. A
-`GC.GetAllocatedBytesForCurrentThread() == 0` assertion that passes in isolation
-and on re-run but fails once under full-suite load is the documented **#302**
-shape (tiered-JIT / first-touch allocation on the measuring thread), and should
-be treated as such: re-run and name it, never chase it. The instinct to look
-rather than auto-dismiss was right — the answer is that the new code is not on
-that path.
-
-### Point 6 — deliberately-not-done items: **my "not blocking alone" assessment holds.**
-
-- **Writer-family coverage for `CommitCanonicalCell` / `RuntimeSetPositionState`.**
- Still covered *by construction*, and round 2 did not weaken that: both funnel
- through the identical `RuntimeEntityDirectory.SetFullCell:359-366` line that
- `CommitRebucket` (tested) and `RefreshSnapshot` (tested) use, and round 1's
- chokepoint-completeness proof (`RefreshDerivedState` has exactly two callers;
- `RuntimeEntityRecord.SetFullCell` exactly two) is unchanged by this diff. Two
- of the four writer families are tested end-to-end; the other two are the same
- three lines of code.
-- **Fuller P2 across N crossings** — `NeverArmPartition_D8_…` already drives five
- crossings; the clock/suspension assertions live in the attach and pickup tests.
- Thin, not absent.
-- **Dedicated P5/P6 tests** — still argued by construction, and the construction
- argument is still valid after round 2: `PropagateFullCellToChildren` remains
- field-writes + one dictionary probe + `TryGetActive`, with no callback, no
- LINQ, no closure, and `ChildrenAttachedToParent` still returning the stored
- `List` or the cached `Array.Empty()`. The round-2 restructuring
- (direct `child.SetFullCell` instead of re-entering the directory method) makes
- the path *cheaper*, not richer. **B4** is the one place round 2 introduced new
- re-entrancy surface, and it is in D5's retry, not the propagation.
-
----
-
-## 4. Recommended before the connected gate (non-blocking)
-
-1. **B1** — make the `NotAttached` test's bucket assertion discriminate (move the
- parent first). Two lines.
-2. **B3 clause 3** — make the past-cap log unconditional. One line.
-3. **B2** — correct the A6 justification comment so it does not contradict the R6
- gap paragraph, and carry the "no `cause=headless-attach` line ⇒ not-run"
- reading into the headless gate step. Comment only.
-
-The **connected two-client gate remains unrun** and is still the acceptance test
-for the D4 transfer, with the contract's rule intact: a session showing zero
-`cause=propagate` lines during the landblock-crossing step is a not-run, not a
-pass. The headless gate now carries the same caveat for `cause=headless-attach`
-(B2).
diff --git a/docs/research/2026-08-04-c4-route-7-architecture-review.md b/docs/research/2026-08-04-c4-route-7-architecture-review.md
deleted file mode 100644
index 17bcce24..00000000
--- a/docs/research/2026-08-04-c4-route-7-architecture-review.md
+++ /dev/null
@@ -1,493 +0,0 @@
-# C4 route 7 — independent ARCHITECTURE / ADVERSARIAL review (2026-08-04)
-
-**Verdict: FAIL** — remediation is narrow and mechanical (two test gaps plus one
-incomplete proof enumeration). No defect was found in the shipped propagation
-mechanism itself; the failure is that the route's single highest-risk,
-user-visible half (the D4 presentation transfer) has **no test that can fail**,
-which is the exact recurring defect class route 5's review rounds named and
-which §3 item 7 / §6 test 10 of the contract explicitly pinned.
-
-Scope reviewed: uncommitted working-tree diff at HEAD `ca96ea5e`, branch
-`claude/acdream-physics-divergence-5aa784`. Route-7 contract and route-3
-scoping docs treated as inputs, not as change under review.
-
-Gates re-run by the reviewer:
-
-- `dotnet build tests/AcDream.Runtime.Tests` — 0 warnings, 0 errors.
-- `dotnet test AcDream.Runtime.Tests` — **1,156 passed / 0 failed**.
-- `dotnet test AcDream.App.Tests --filter EquippedChild` — **36 passed / 0 failed**.
-- New `RuntimeEntityChildCellPropagationTests` + the two `DirectSink_D5` tests —
- **14 passed**.
-
----
-
-## 0. Judgement on the four implementer claims + the `SetFullCell` blast radius
-
-### Claim 1 — "D7's reorder is unobservable" → **VERIFIED. Genuinely unobservable.**
-
-`EndChildProjection(guid)` (`ParentAttachmentState.cs:749-754`) touches exactly
-three tables keyed by the **child** guid: `_stagedByChild`, `_recoveryByChild`,
-and (via `RemoveCommittedChild`) `_lastAcceptedByChild` plus the removal of that
-guid from **its parent's** `_committedChildrenByParent` list. It never touches
-`_committedChildrenByParent[(update.Guid, incarnation)]` — the picked-up
-entity's own children list.
-
-The three calls now bracketed by the move are
-`Physics.CollisionReports.LeaveWorld`, `Physics.SetPosition.Forget`, and
-`Entities.SuspendObjectClock`. I enumerated every `ParentAttachments` reader
-reachable from them:
-
-- `RuntimeSetPositionState.cs:6027` / `:6049` (`ArmLostFamilyDeadlines` /
- `CancelLostFamilyDeadlines`) read `ChildrenAttachedToParent(operation.Record
- .ServerGuid, …)` — the record **as a parent**, unaffected.
-- `RuntimeSetPositionState.cs:3944` (`IsAffectedCollisionResident` →
- `HasCommittedParent`) reads the record **as a child** and IS order-sensitive —
- but it is reached only from `ParkCollisionResidents`, a landblock-quiescence
- entry point, never synchronously from `Forget`.
-- `CancelExactLostKey` iterates operations by `RuntimeEntityKey`, not by relation.
-
-No other reader exists. The honest "reverted the order, all 12 tests still
-passed" report is the correct outcome and should be recorded as such, not
-papered over with a manufactured test. **One consistency gap follows from it —
-see A5.**
-
-### Claim 2 — "`RuntimeEntityChange.Rebucketed` has NO consumer" → **FALSE as stated. Enumeration incomplete. See A3.**
-
-The implementer enumerated `IRuntimeEntityObjectObserver` implementations and
-found empty stubs. But `GameRuntimeEventHub` (`GameRuntimeEventHub.cs:45`)
-*implements* `IRuntimeEntityObjectObserver` and its `OnEntity`
-(`:239-254`) **fans the delta out to every `IRuntimeEventObserver`**, and
-`RuntimeTraceRecorder.OnEntity` (`GameRuntimeEvents.cs:246-254`) is a
-non-stub shipped consumer that records `delta.Change` and
-`delta.Entity.CellId`. The `IHeadlessBotPolicy` implementations
-(`HeadlessBotPolicy.cs:48/151/281/516`) are the empty stubs; they are not the
-whole set. No functional break is demonstrated (the trace recorder is
-diagnostic and equipped-child `Rebucketed` deltas were graphical-only), so the
-publication default itself stands — but P8 was answered against the wrong
-interface and must be restated.
-
-### Claim 3 — "a committed child never becomes a spatial root" → **VERIFIED, for the right reason (which the claim did not state).**
-
-The reason is not the parent relation: it is the **projection kind**.
-`LiveEntityRuntime.HasSpatialRuntimeProjection` (`:3251-3256`) requires
-`record.ProjectionKind is LiveEntityProjectionKind.World`, and
-`EquippedChildRenderController.TryRealize` materializes children with
-`LiveEntityProjectionKind.Attached` (`:569`). So
-`RefreshSpatialRuntimeIndexes` → `AcknowledgeSpatialProjection(canonical,
-spatial: false)` → `RemoveSpatialProjection` on every tick, and
-`_spatialRoots` (`RuntimePhysicsState.cs:697-711`) never gains the child.
-Headless never calls `AcknowledgeSpatialProjection` on any route-7 path at all
-(its only callers are `LiveEntityRuntime.cs:3272` and
-`RuntimeSetPositionState.cs:2756/3664/5138`, none of which route 7 reaches).
-So no child broadphase gap, and the §0 trap-5a "no per-crossing shadow rebuild"
-pin holds. **Note for the record:** had the child been kind `World`, the
-`FullCellId != 0` clause of `HasSpatialRuntimeProjection` would have made D1/D5
-newly promote children into the physics workset — the claim is right, but it is
-one line of `ProjectionKind` away from being wrong, and P4's write-up should say
-so.
-
-### Claim 4 — "P5/P6 are safe by construction, no dedicated tests" → **ACCEPTABLE for the propagation path; NOT acceptable as a blanket statement for the slice. See A6.**
-
-- **P6 (zero alloc) on the propagation path: verified.**
- `ChildrenAttachedToParent` (`ParentAttachmentState.cs:648-658`) returns the
- stored `List` or the cached `Array.Empty()`; both convert to
- `IReadOnlyList` by reference conversion (no boxing).
- `PropagateFullCellToChildren` (`RuntimeEntityDirectory.cs:381-405`) is an
- index loop with no LINQ, no closures, no temporaries. 0 B confirmed by
- inspection. `ParentIncarnation` is a `readonly record struct`
- (`ParentAttachmentState.cs:923`) so the dictionary probe does not box.
-- **P5 (re-entrancy) on the propagation path: verified.** The only work is
- `EnsureKnown`, `record.SetFullCell` field writes, `TryGetActive`, and an
- optional `Console.WriteLine`. Nothing calls back into `RuntimeSetPositionState`
- / `RuntimePhysicsState` / any observer, so the recursion cannot re-enter a
- mid-commit owner. I also confirmed the live `List` returned by
- `ChildrenAttachedToParent` cannot be mutated during the loop (nothing on the
- propagation path touches the relation tables), so the swap-remove in
- `RemoveCommittedChild` (`:853-859`) is not an aliasing hazard here.
-- **But the slice's OTHER new path is not zero-alloc and was not measured** —
- D5's per-spawn `ChildrenWaitingForParent` scan. See A6.
-
-### The `SetFullCell` blast radius — **enumerated; correct at every site, with one structural caveat (A7).**
-
-`RuntimeEntityDirectory.SetFullCell` (`:348-355`) now has a side effect for
-every caller. Full production caller set, each checked:
-
-| site | value written | children now follow — correct? |
-|---|---|---|
-| `RuntimeEntityObjectLifetime.cs:1314` (`TryApplyPickup`) | 0,0 | ✔ retail `leave_world`'s recursive `leave_cell(this,0)` @0x005155E6 |
-| `:1484` (`WithdrawCommittedChildrenToCellless`) | 0,0 | ✔ explicit D3 edge |
-| `:1509` then `:1530` (`CommitAcceptedParentCellless`) | 0,0 then parent's | ✔ grandchildren are zeroed then restored inside the same synchronous call |
-| `:1945` (`CommitRebucket`) | new cell | ✔ D2's headline case |
-| `:1991` (`CommitWithdrawal`) | 0,0 | ✔ |
-| `:2737` (`InitializeAcceptedCreateResidence`) | 0,0 | ✔ vacuous — a fresh incarnation has no committed children (`_committedChildrenByParent` is keyed by `(guid, instance)`) |
-| `RuntimeInitialCreateContinuationExecutor.cs:2188` (dormant pickup replay) | 0,0 | ✔ same shape as `TryApplyPickup` |
-| `RuntimePhysicsState.cs:2148` (`CommitCanonicalCell`) | new cell | ✔ guarded by an equality early-out at `:2145`, so no probe on a same-cell commit |
-| `RuntimeSetPositionState.cs:2743` / `:3660` (placement commits) | new cell | ✔ both guarded by `record.FullCellId != result.CellId` |
-| `:5003` (residency restore) | resident cell | ✔ re-propagates children the park zeroed |
-| `:5224` (`WithdrawCanonical`) | 0,0 | ✔ park/lost-cell; self-heals through `:5003` |
-| `LiveEntityRuntime.cs:192` / `:200` (record property setters) | mixed | test-only (no production assignment exists) — but see A7 |
-
-No caller means "clear only this record": every zeroing site is a
-retail `leave_world`/`change_cell(null)` analogue, and the two "restore" sites
-re-propagate. The `RefreshSnapshot` half (`:231-246`) is correctly gated on an
-actual change and `RefreshDerivedState` has exactly the two callers the contract
-claimed (record ctor `RuntimeEntityRecord.cs:29` and `RefreshSnapshot`) — I
-re-verified this repo-wide, so **contract open question 1 is answered: no
-canonical cell write bypasses the hook.**
-
-**Termination**: verified by construction and by test. The skip is evaluated in
-the *parent's* loop before descending, so an A→B→A wire cycle writes A, writes
-B, then finds A already equal and stops.
-`PropagationChokepoint_TerminatesAHostileTwoCycle…` pins it. A self-parent
-(reachable headless, where D5 skips `ValidateParentProjection`'s
-self-parent rejection at `EquippedChildRenderController.cs:897-898`) also
-terminates on the first skip.
-
-**Ordering**: children are written *before* every parent-side dependent step —
-before `CellCommitted` (`RuntimePhysicsState.cs:2152`), before
-`AdvancePlacementCommit`/`AcknowledgeSpatialProjection`
-(`RuntimeSetPositionState.cs:2746-2756`), and before
-`AcknowledgeProjectionAndPublish` in `CommitRebucket`. There is no synchronous
-callback anywhere inside the recursion, so no observer can see a
-partially-propagated tree. This matches retail (`enter_cell`'s child recursion
-runs inside `change_cell`, before the caller's tail).
-
----
-
-## 1. Findings
-
-### A1 — MAJOR. The only test for the D4 demotion's presentation half cannot fail if that half is deleted outright.
-
-**Where:** `tests/AcDream.App.Tests/Rendering/EquippedChildProjectionWithdrawalTests.cs:322-362`
-(`TickChild_D4_CanonicalCellIsRuntimesWriteNotTheRenderTicks`), against
-`src/AcDream.App/Rendering/EquippedChildRenderController.cs:403` and `:409-415`.
-
-The test's two assertions are:
-
-1. `Assert.Equal(newCell, child.WorldEntity!.ParentCellId!.Value)` — "the render
- tick moved only the DRAW bucket".
-2. `Assert.Equal(childSpatialVersionBeforeTick, child.Canonical.SpatialAuthorityVersion)`
- — "and did not re-write the canonical cell".
-
-Assertion 1 does **not** test the bucket. `TickChild` writes
-`child.Entity.ParentCellId = parent.ParentCellId` **unconditionally at
-`:403`**, before the rebucket call, and `AttachedChild.Entity` is the same
-`WorldEntity` instance the test reads (the fixture passes
-`child.WorldEntity!` into the `AttachedChild` ctor —
-`EquippedChildProjectionWithdrawalTests.cs:1529`). Assertion 2 is a negative
-that is trivially satisfied by doing nothing.
-
-**Concrete failure scenario:** delete lines `:409-415` entirely (or let
-`RebucketEquippedChildPresentation` return `false` on its first guard — see A2).
-The child's canonical cell is still right, `ParentCellId` still mirrors, both
-assertions still pass, the whole App suite stays green — and the equipped weapon
-is **left behind at the previous landblock's draw bucket** when the player
-crosses a boundary: exactly the "left behind at a landblock boundary (the
-demotion's specific risk)" regression the contract's §7 gate names, and the
-`#184` invisible-but-solid family.
-
-`RebucketEquippedChildPresentation` has **zero** test references repo-wide
-(grep across `tests/` returns nothing), so this is the slice's only coverage of
-the presentation transfer.
-
-Contract §6 test 10 asked for precisely what is missing: *"assert the child's
-render entity moved buckets (spatial index / visibility state)"*. The
-implementer's sabotage note covers the canonical half only (reverting to
-`RebucketLiveEntity` fails assertion 2 — I confirmed that is true, because
-`RuntimeEntityRecord.SetFullCell` at `:246-251` bumps `SpatialAuthorityVersion`
-unconditionally); the presentation half's sabotage was not run.
-
-**Fix direction:** assert against the spatial layer, not the mirror field. The
-fixture already reaches `LiveEntityRuntime`, so either (a) assert
-`record.IsSpatiallyVisible` / the spatial index's resident cell for the child
-key after the tick with the child pre-seeded into a *different* bucket, or
-(b) assert `RebucketEquippedChildPresentation`'s observable effect through the
-fake `_spatial` (a recorded `RebucketLiveEntity(key, entity, cell)` call with
-the new cell). Then run the prescribed sabotage: stub the call out and confirm
-the test goes red.
-
-### A2 — MAJOR. The new App entry point can silently write nothing, and its status is discarded. (Route 5's A1 defect class, recurring.)
-
-**Where:** `src/AcDream.App/World/LiveEntityRuntime.cs:1085-1101`
-(`RebucketEquippedChildPresentation`) and
-`src/AcDream.App/Rendering/EquippedChildRenderController.cs:409-415`.
-
-The method returns `false` — writing nothing — on three conditions
-(`!HasCommittedParent`, no current projection, no `WorldEntity`). `TickChild`
-**discards the return value**, then unconditionally returns `true` and raises
-`ProjectionPoseReady?.Invoke(child.ChildGuid)` at `:416`, i.e. it advances
-presentation on a write-nothing outcome. That is verbatim the defect the route-7
-contract lists among the route-5 classes it "addresses by name" (§preamble:
-*"an App glue site discarding the Runtime seam's status and advancing
-presentation on write-nothing outcomes"*).
-
-The `HasCommittedParent` guard is **new**; it did not gate the old
-`RebucketLiveEntity` call. It is reachable-false while `_attachedByChild` still
-holds the child, because Runtime clears `_lastAcceptedByChild` (via
-`EndChildProjection`, `RuntimeEntityObjectLifetime.cs:1307` on pickup and
-`:1908` on the Position-unparent) **before** the App's
-`EquippedChildRenderController.OnChildBecameUnparented` (`:264-284`) runs, and
-that method can defer the teardown across frames
-(`AdvanceUnparentTransition` + `_pendingOrphanRemovalByChild`, retried at
-`:342`). During that window every `Tick()` composes the pose, mirrors
-`ParentCellId`, publishes the pose, raises `ProjectionPoseReady`, and moves
-**no bucket at all**.
-
-Today that window is benign (the child is on its way out). The finding is that
-the benign-ness is accidental and untested: nothing distinguishes "guard
-correctly declined" from "guard wrongly declined", and A1 means no test would
-notice either way.
-
-**Fix direction:** consume the bool. Either treat `false` as a `TickChild`
-failure (which already has a defined path — `Tick()`'s `failed` list →
-`WithdrawForPoseLoss` at `:296-297`), or, if declining is legitimate for the
-unparent window, make that explicit: return a small disposition
-(`Moved` / `NotAttached`) and assert the `NotAttached` case in a test rather
-than inferring it. Do not leave a silent bool on the floor.
-
-### A3 — MEDIUM. P8's consumer enumeration is against the wrong interface; a non-stub `OnEntity` consumer ships.
-
-**Where:** `src/AcDream.Runtime/GameRuntimeEventHub.cs:45` and `:239-254`;
-`src/AcDream.Runtime/GameRuntimeEvents.cs:104` and `:246-254`.
-
-See claim 2 above. `GameRuntimeEventHub` is itself an
-`IRuntimeEntityObjectObserver` that forwards to every `IRuntimeEventObserver`,
-and `RuntimeTraceRecorder.OnEntity` records `(delta.Change,
-delta.Entity.CellId)` for every entity delta including `Rebucketed`.
-
-**Failure scenario (bounded):** any current or future headless gate / trace
-assertion that counts entity deltas for an equipped child now sees fewer
-`Rebucketed` entries than before the demotion, with no note anywhere saying so.
-I found no such assertion today, so this is a proof defect rather than a live
-break — but the stated basis for D2's "publish nothing" default ("safe by
-inspection, every implementation is an empty stub") is not true and must not be
-carried forward as if it were.
-
-**Fix direction:** restate P8 in the commit against **both** observer
-interfaces, name `RuntimeTraceRecorder` explicitly as the one real consumer, and
-say why a diagnostic trace losing graphical-only child `Rebucketed` entries is
-acceptable. No code change needed.
-
-### A4 — MEDIUM. `CommitAcceptedParentCellless` now publishes `Withdrawn` carrying a NON-zero cell.
-
-**Where:** `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs:1530-1543`.
-
-D1's re-cell is placed **before** `AcknowledgeProjectionAndPublish(…,
-RuntimeEntityChange.Withdrawn, …)`. Prior to this slice, a `Withdrawn` delta
-from this method always carried `FullCellId == 0`; it now carries the parent's
-cell whenever the parent is celled — i.e. in the ordinary equip case.
-
-**Failure scenario:** any observer that treats `Withdrawn` as "no longer
-resident" and reads `delta.Entity.CellId` to decide where to unregister (the
-plugin world-state bridge, a future headless bot policy, a future radar/journal
-consumer) now gets a delta whose kind and payload disagree. The shipped
-consumers are stubs or diagnostic, so nothing breaks today; the risk is that the
-invariant "Withdrawn ⇒ cell 0" was previously true and is now silently false,
-with no test pinning either reading.
-
-**Fix direction:** cheapest correct answer is to state the new payload contract
-in the method's doc comment and add one assertion to the D1 attach test
-(`Attach_ParentCelled_…`) pinning the published change kind **and** the
-delta's cell, so the pair is deliberate rather than incidental. If any consumer
-is later found to need the old shape, the re-cell moves after publication —
-which is safe, because the same-transaction argument is about *callers*, not
-about the delta.
-
-### A5 — MEDIUM. D7's reorder was applied to one of the two pickup leave-world sites; the sibling still has retail's inverted order.
-
-**Where:** fixed at `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs:1304-1314`;
-**not** fixed at `src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs:2184-2189`
-(`ApplyPickupAction`, the dormant-residence pickup replay), where
-`EndChildProjection` still runs **after** `LeaveWorld` / `SetFullCell(0,0)`.
-
-**Failure scenario:** none observable — the same inertness argument that
-validates claim 1 applies verbatim to this site. The defect is bookkeeping: D9
-and the commit will say the recorded T7 inversion is "retired", while a second
-instance of it remains in-tree at the path a pickup takes when it arrives during
-a pending initial-create residence. A future reader grepping for the inversion
-finds it and re-opens a settled question.
-
-**Fix direction:** either apply the same three-line move at `:2189` (preferred —
-it is provably inert and makes both pickup paths one shape), or add one
-sentence to the D7 commit text naming `ApplyPickupAction` as a deliberate,
-inert survivor.
-
-### A6 — MEDIUM. D5's per-spawn retry is an O(live-relations) LINQ scan with allocations, on the headless spawn path.
-
-**Where:** `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs:143`
-(`RetryChildrenWaitingForParent` called on **every** accepted spawn) →
-`src/AcDream.Runtime/Entities/ParentAttachmentState.cs:618-640`
-(`ChildrenWaitingForParent`), plus `:339-388`
-(`ResolveAndCommitChildAttachment`).
-
-`ChildrenWaitingForParent` allocates a `HashSet`, fully enumerates
-`_stagedByChild`, `_recoveryByChild` **and** `_unresolvedByChild`, runs
-`queue.Any(lambda)` per unresolved child, and returns `.ToArray()`.
-`_recoveryByChild` retains an entry for every child ever committed
-(`CommitProjection`, `:595`), so it grows with the number of equipped
-NPCs/players in view. `ResolveAndCommitChildAttachment` additionally allocates
-three `this`-capturing closures per call (`:341-350`).
-
-**Failure scenario:** a 30-session headless host (Slice K's stated target)
-loading a dense landblock does one full scan of three dictionaries per accepted
-`CreateObject`. With N resident entities of which K are attached children, that
-is O(N·(N+K)) work and O(N) allocations across the load, on the path Slice K
-measured to a resource ceiling. The graphical host does the same thing
-(`EquippedChildRenderController.OnSpawn` → `RetryWaitingDescendants`), so the
-shape is not novel — but the headless host is the one with a per-process
-allocation budget and a 30-root gate, and this is new cost there.
-
-**Fix direction:** the retry only needs children whose *unresolved* queue names
-this parent. Index that: keep a `Dictionary childGuids>`
-maintained by `Enqueue`/`Resolve`, or at minimum skip the `_recoveryByChild`
-and `_stagedByChild` sweeps (both are already-resolved states that
-`ResolveAndCommitChildAttachment` no-ops on). Cache the three callbacks as
-fields. Then re-measure the K4 30-session resource envelope, or state
-explicitly that this slice does not.
-
-### A7 — LOW. The propagation's idempotence key is `FullCellId` alone, but `SetFullCell` takes an independent `canonicalLandblockId`.
-
-**Where:** `src/AcDream.Runtime/Entities/RuntimeEntityDirectory.cs:389-395`
-(`child.FullCellId == fullCellId` → `continue`).
-
-Every production writer derives the landblock from the cell —
-`(cellId & 0xFFFF0000u) | 0xFFFFu` at `RuntimeEntityRecord.cs:235`,
-`RuntimePhysicsState.cs:2150`, `RuntimeSetPositionState.cs:2744/3663/5005` — and
-D1 copies the parent's pair verbatim, so the two fields are coupled today and
-the skip is safe.
-
-**Failure scenario:** the coupling is not enforced anywhere.
-`LiveEntityRecord.CanonicalLandblockId`'s setter
-(`src/AcDream.App/World/LiveEntityRuntime.cs:200-203`) calls
-`SetFullCell(Canonical, Canonical.FullCellId, value)` — a same-cell,
-different-landblock write. It has no production caller today (tests only), but
-if one ever appears, children keep the **stale** `CanonicalLandblockId` while
-the parent updates, because the skip fires. `LiveRenderProjectionJournal.cs:273`
-reads `record.CanonicalLandblockId` to pick the owning landblock, so the
-symptom would be a child journaled against the wrong landblock.
-
-**Fix direction:** make the skip test the pair
-(`child.FullCellId == fullCellId && child.CanonicalLandblockId == canonicalLandblockId`),
-or assert the derivation invariant in `RuntimeEntityRecord.SetFullCell`. One
-line either way.
-
-### A8 — LOW. Wire-driven recursion depth is unbounded; a deep attachment chain is a `StackOverflowException` (process kill).
-
-**Where:** `src/AcDream.Runtime/Entities/RuntimeEntityDirectory.cs:381-405`
-(mutual recursion `PropagateFullCellToChildren` ↔ `SetFullCell`).
-
-Termination against cycles is correct (verified above), but depth is bounded
-only by the length of the committed parent chain, which is server-supplied.
-Nothing in `ParentAttachmentState`, `TryApplyParent`, or `TryCommitParent`
-caps chain depth; only self-parenting is rejected, and only in the graphical
-`ValidateParentProjection` (which D5 deliberately skips).
-
-**Failure scenario:** a buggy or hostile server commits a 10k-long
-A→B→C→… chain; the first cell write on the root overflows the 1 MB stack.
-`StackOverflowException` is uncatchable in .NET — the process dies, taking all
-30 headless sessions with it. Not reachable against a well-behaved ACE.
-
-**Fix direction:** a depth counter with a hard cap (retail's own recursion is
-equally unbounded, so a cap is an acdream divergence — it belongs in AP-142's
-clause list) or an explicit iterative worklist over a pre-sized scratch buffer,
-which also removes the stack cost entirely and stays 0-alloc after warmup.
-
-### A9 — LOW. The C3c active-residence gate is not carried to the new presentation entry point.
-
-**Where:** `src/AcDream.App/World/LiveEntityRuntime.cs:1085-1101` vs the gate at
-`:806-834`.
-
-The public `RebucketLiveEntity` refuses to install a bucket while an
-initial-create residence is ACTIVE, with a stated reason ("a re-entrant caller
-could install a bucket for a suppressed record before its placement ever
-committed"). `RebucketEquippedChildPresentation` guards on
-`HasCommittedParent` only.
-
-**Failure scenario:** bounded — `CommitAcceptedParentCellless` calls
-`ForgetInitialCreateResidence` (`:1502`) before any `AttachedChild` is
-installed, so by the time `TickChild` can run, the child's residence is
-cancelled. The gap is that the guard's *reason* is now implicit in call
-ordering three files away rather than enforced at the entry point.
-
-**Fix direction:** add `&& !HasActiveInitialCreateResidence(record.Canonical)`
-to the new method's guard (cheap, and it makes the "can never become a general
-bypass" claim in its doc comment actually true), or cite the
-`ForgetInitialCreateResidence` ordering in that doc comment.
-
-### A10 — LOW. Duplicate `` block; one existing test lost its documentation.
-
-**Where:** `tests/AcDream.Runtime.Tests/Session/RuntimeLiveEntitySessionControllerTests.cs:316-330`.
-
-The new D5 test's doc comment was inserted **after** the closing ``
-of the C3c-R1 F6 block that documented
-`FirstEntryDriveServesOneRouteAtATimeAndScopesClearToTheOwner`. Both summaries
-now attach to `DirectSink_D5_StandaloneParentEventCommitsChildToParentsExactCell`;
-the F6 test is undocumented. Mechanical fix: move the new block below the old
-one's member, or move the old block down to `:231`.
-
----
-
-## 2. Contract obligations checked and found MET
-
-Recorded so the next reviewer does not re-derive them.
-
-- **D2 chokepoint completeness (contract open question 1).** `RefreshDerivedState`
- has exactly two callers repo-wide (`RuntimeEntityRecord.cs:29` ctor,
- `RuntimeEntityDirectory.cs:239`); `RuntimeEntityRecord.SetFullCell` has
- exactly two (`RefreshDerivedState`, `RuntimeEntityDirectory.SetFullCell`).
- No canonical cell write bypasses the hook.
-- **D3 delete ordering (P7).** `WithdrawCommittedChildrenToCellless` runs at
- `:2070` before `DeleteGeneration` at `:2073`, and at `:1005` before
- `EndGeneration` at `:1009`. In the `EndGeneration` case `RemoveActive` has
- already run, but the relation table is untouched by it and children are
- looked up independently, so the read is valid. Recursion to grandchildren
- rides D2. Pinned by `Delete_ZeroesChildrenBeforeRelationsAreTornDown_P7` and
- `EndGeneration_ReplacementParentGeneration_…`. No double-withdraw: the second
- pass would find every child already at 0 and skip.
-- **No orphaned teardown sites.** `ParentAttachmentState.RemoveObject` /
- `RemoveChild` have zero production callers, so `DeleteGeneration` /
- `EndGeneration` are the complete set of relation-teardown edges needing a cell
- edge, and both got one.
-- **D8 never-arm partition.** No `ConstrainTo`, park, service-window, or
- `CanAttemptDestination` code was added; `NeverArmPartition_D8_…` pins the
- placement-operation count across attach + 5 crossings + pickup + delete.
- (Contract §6 test 6 also asked for park counts and
- `RemotePlacementDrivePendingCount`; only `ActiveOperationCount` is asserted —
- a thinner pin than specified, noted but not a finding on its own.)
-- **§3 item 10 tripwire.** The classifier diff is a pure deletion of
- `ClassifyLeaveWorld` + its two types + its one test. `ValidCreateAuthority`
- survives; no surviving classifier test changed an expectation. 1,156 Runtime
- tests green.
-- **D9 bookkeeping.** AP-142 and AP-143 both filed; AP-136's writer list
- correctly shrinks to the projection materializer alone, and the two mirrored
- doc comments (`RuntimeSetPositionState.cs:4542`,
- `RuntimeRemotePlacementDriveController.cs:1619`) were updated in the same
- diff. Repo grep for stale "TickChild is a canonical writer" claims returns
- only the corrected sites.
-- **Headless gate is a real regression test.** Both `DirectSink_D5_…` tests seed
- parent and child at **distinct** landblocks and assert `NotEqual(0u, …)`
- alongside the equality, so they cannot pass by coincidence or at zero. Both
- fail without D1/D2/D5.
-- **P1.** `P1_SnapshotMutationOfACommittedChild_…` drives an ObjDesc merge and
- asserts `child.Snapshot.Position` stays null and the cell still tracks the
- parent — a genuine behavioural pin, not a source-text pin.
-
----
-
-## 3. Remediation required to convert this to PASS
-
-1. **A1** — rewrite the App test so it asserts the spatial bucket / visibility
- move, and run the contract's prescribed sabotage (stub
- `RebucketEquippedChildPresentation` out; the test must go red).
-2. **A2** — consume `RebucketEquippedChildPresentation`'s status in `TickChild`,
- and cover the declining branch with a test.
-3. **A3** — restate P8 against `IRuntimeEventObserver` as well, naming
- `RuntimeTraceRecorder`.
-
-A4–A10 are recommended in the same slice (all are one-to-three-line changes or
-commit-text corrections) but none of them alone blocks the route.
-
-The **connected two-client gate has not been run** and remains the acceptance
-test for the D4 transfer regardless of the above — with the contract's own
-rule that a session showing zero `cause=propagate` lines during the
-landblock-crossing step is a not-run, not a pass.
diff --git a/docs/research/2026-08-04-c4-route-7-contract.md b/docs/research/2026-08-04-c4-route-7-contract.md
deleted file mode 100644
index dd875a11..00000000
--- a/docs/research/2026-08-04-c4-route-7-contract.md
+++ /dev/null
@@ -1,998 +0,0 @@
-# C4 route 7 — pickup / parent / delete: pinned contract (2026-08-04)
-
-**Scope:** make Runtime the sole writer of a parented child's canonical cell —
-port retail `set_parent`'s attach-time `change_cell` half into the Runtime
-parent commit, add retail's parent-cell-crossing **propagation step** at the
-one canonical cell-write funnel, demote App's render-tick child rebucket
-(`EquippedChildRenderController.TickChild`) to presentation-only, give the
-headless host the parent-realize commit it has never had, adopt retail's
-pickup ordering, and delete the dead `ClassifyLeaveWorld` classifier entry.
-Route 7 performs **no placement**: there is no SetPosition, no park, no
-service window, no leash on this route.
-
-Pinned at HEAD **`cff52c44`**, clean tree, branch
-`claude/acdream-physics-divergence-5aa784`. **Line numbers in this contract
-are as-of `cff52c44` and WILL go stale; every citation also names the symbol —
-trust the symbol** (process rule 6).
-
-Predecessor documents, binding where they still apply:
-
-- [`2026-08-04-retail-parent-cell-propagation.md`](2026-08-04-retail-parent-cell-propagation.md)
- — **the settling research. Its §10 contract requirements are BINDING and
- restated in §0 below.** Do not re-derive the retail mechanism; it is read,
- cited, and offset-verified there.
-- [`2026-08-04-retail-child-cell-ownership.md`](2026-08-04-retail-child-cell-ownership.md)
- — the earlier child-cell research: `set_parent` contains no cell write of
- its own; `unset_parent` performs zero cell work; `leave_world` is where a
- detaching child is scrubbed.
-- [`2026-08-04-c4-routes-6-7-scoping.md`](2026-08-04-c4-routes-6-7-scoping.md)
- §7 — the route scoping. **Its file:line references predate routes 4b-3/5,
- the OnPosition collapse, and route 6's closure, and are stale throughout;
- §10 of this contract lists every claim found false or superseded.** Its
- trap list (T1–T8) survives and is resolved item-by-item below.
-- [`2026-08-04-c4-route-5-contract.md`](2026-08-04-c4-route-5-contract.md)
- plus its three dual review rounds — the contract standard, and the
- recurring defect classes each addressed by name here: an App glue site
- discarding the Runtime seam's status and advancing presentation on
- write-nothing outcomes; unrecorded divergences (register rule 1); a pinned
- obligation left unwired; zero coverage of the presentation layer;
- negative-only tests.
-- [`2026-08-04-c4-route-4b-3-contract.md`](2026-08-04-c4-route-4b-3-contract.md)
- — its 13 "must REMAIN true" invariants; the ones route 7 can even reach are
- re-asserted in §3.
-- [`2026-08-04-session-handoff-c4-remaining.md`](2026-08-04-session-handoff-c4-remaining.md)
- — the six process rules apply verbatim. Rule 1 (the contract causes the
- defect), rule 4 (assert the layer that broke), and rule 5 (a clean session
- is not a passed gate) are the load-bearing ones for this route.
-- [`docs/plans/2026-08-02-placement-cutover.md`](../plans/2026-08-02-placement-cutover.md)
- — the campaign plan. Its corrected route-7 gap statement ("the child's
- canonical cell has two writers … the same defect seen from two sides") is
- exactly this contract's scope; the plan also pins T8 (the `TryCommitParent`
- `LeaveWorld` omission is retail-REQUIRED).
-
-**Sequencing:** routes 4a, 4b-1/2/3, the OnPosition collapse, route 5
-(`36255af0`), and route 6's zero-production closure (`1b484937`) are all in.
-Route 7 is next; route 3 (portal) remains after it.
-
----
-
-## 0. Facts settled before this contract — BINDING, do not re-derive
-
-From `2026-08-04-retail-parent-cell-propagation.md` (all addresses verified
-against `acclient_2013_pseudo_c.txt`, struct offsets closed by the
-`acclient.h` walk — no PE byte-decode needed):
-
-1. **Retail re-cells children when the parent crosses a cell, recursively, to
- unbounded depth.** `CPhysicsObj::SetPositionInternal` @0x00515330 branches
- on `this->cell == curr_cell` @0x0051536d; the cell-CHANGED branch
- @0x00515372 calls `change_cell` @0x00513390, which delegates to
- `leave_cell` @0x0051339f / `enter_cell` @0x005133af. **`change_cell`
- itself has NO child loop — the recursion lives in the delegates.**
- `enter_cell` @0x00510ed0 self-recurses over children @0x00510f03 and
- writes the FULL identity per level: `CObjCell::add_object` @0x00510ee2,
- `objcell_id` @0x00510f1e, part-array cell id @0x00510f2b, `cell` pointer
- @0x00510f35, lights @0x00510f3e. `leave_cell` @0x00510f50 mirrors it
- @0x00510f84. **CORRECTION (post-implementation retail-conformance
- review, R1 MAJOR): this enumeration silently dropped the guard AROUND
- all five writes and the recursion itself —
- `enter_cell`'s entire body is gated on `this->part_array != 0`
- @0x00510ed8 (the propagation research's own §3 called this "Guard,
- load-bearing"). A child with a null part array receives NONE of the
- five writes and its whole subtree is skipped. This is the contract
- defect the review traced R1 to — process rule 1, "the contract causes
- the defect" — and it is why an implementer following this list alone
- ships an unconditional write. See D2's AP-142 clause (d) for why the
- guard has no reproducible analogue at acdream's canonical layer (its
- `HasPartArray` field is populated only by the graphical mesh pipeline,
- never headless) and is therefore recorded, not ported.**
-2. **The depth-1 loop @0x0051539c–0x005153d8 is the SAME-CELL fast path, NOT
- the propagation.** It refreshes only each direct child's `objcell_id`
- (child `+0x4c` @0x005153bd) and part-array id @0x005153cc, deliberately
- not the `cell` pointer, and only when the parent did NOT change cell. An
- implementer who finds this loop first will wrongly conclude "depth-1,
- id-only" and ship a stranded-child bug. **This contract says so
- explicitly: the propagation is the `else` @0x00515372, not this loop.**
-3. **The clincher:** `update_object` @0x00515d10 early-returns on
- `parent != 0` @0x00515d40 — a child never runs its own physics tick, so
- parent propagation is the ONLY mechanism that maintains a child's cell.
-4. **The four binding requirements** (research §10): (i) write at attach AND
- on every parent cell crossing; (ii) the authoritative write belongs on
- the physics-commit path — Runtime's write must be a PROPAGATION STEP, not
- a one-shot at `set_parent`; (iii) propagation is recursive — a depth-1
- implementation needs an explicit stated assumption plus a register row;
- (iv) write the full identity — id-only leaves the #184 class half-closed.
-5. **Two adjacent traps:** (a) child cross-cell/shadow lists are NOT
- refreshed per parent tick — `SetPositionInternal` calls the non-recursive
- `calc_cross_cells` @0x0051551b; the recursive `recalc_cross_cells`
- @0x00515a30 runs only at attach (`set_parent` @0x00515b15). Do not
- rebuild child shadow registrations per crossing. (b) On the removal path
- (`change_cell` with a null target) retail leaves children with
- `cell == nullptr` but a STALE non-zero `objcell_id` @0x005133c1 —
- `leave_cell` never touches child ids. §4 D3 resolves how acdream's
- single-field model maps this.
-
-From this contract's own HEAD verification:
-
-6. **acdream DOES use `FullCellId != 0` / `== 0` as a residency/liveness
- predicate, pervasively** — 45+ sites, including
- `RuntimeInitialCreateResidenceState:583` (residence admission),
- `LiveEntityRuntime` `isOrdinaryRoot` (`:915-918`) and its two sibling
- predicates (`:3213`, `:3323`), `LiveEntityPresentationController:220`,
- `RuntimeSetPositionState:2985` (the lost predicate),
- `HeadlessLocalPlayerFrameHost:87`, and route 4b-3's cell-less
- classification input (`PreMergeCommittedCellId == 0` → the `SetPosition`
- cell-less arm). The retail stale-id asymmetry (item 5b) therefore MUST
- NOT be reproduced literally — see D3.
-7. **Route 5 and route 6 landed after the scoping**, so the scoping's "route
- 6 first" ordering and its campaign-plan correction are already satisfied
- (`1b484937` corrected `docs/plans/2026-08-02-placement-cutover.md:97-116`).
-8. **The canonical cell has exactly ONE funnel.**
- `RuntimeEntityRecord.SetFullCell` (`RuntimeEntityRecord.cs:244-251`) has
- exactly two callers: `RuntimeEntityDirectory.SetFullCell`
- (`RuntimeEntityDirectory.cs:340-346`) and
- `RuntimeEntityRecord.RefreshDerivedState` (`:230-242`), and
- `RefreshDerivedState` is itself reached only from the record constructor
- (`:29`, no children can exist yet) and
- `RuntimeEntityDirectory.RefreshSnapshot` (`:231-238`). Every producer —
- `CommitRebucket` (`RuntimeEntityObjectLifetime.cs:1863-1894`),
- `RuntimePhysicsState.CommitCanonicalCell` (`:2138-2160`, fed by the
- ordinary/remote/projectile simulation commits and the remote `writeCell`
- binding `:958-960`), `RuntimeSetPositionState`'s four direct writes
- (`:2743`, `:3660`, `:5001`, `:5222`), the withdrawal family
- (`SetFullCell(canonical, 0u, 0u)` at `:1301`, `:1464`, `:1921`, `:2660`),
- and the wire merge (`RefreshSnapshot` → `RefreshDerivedState`) — funnels
- through the directory. This is what makes D2's single-chokepoint design
- sound rather than a per-caller mapping (the 4b-3 review's "mapping
- written against one caller's reachable set" defect class).
-9. **The per-parent committed-children list already exists in Runtime.**
- `ParentAttachmentState.ChildrenAttachedToParent(parentGuid,
- parentInstanceSequence)` (`ParentAttachmentState.cs:623-633`) returns the
- exact live CHILDLIST analog (doc comment already cites retail's live
- CHILDLIST), maintained by `CommitProjection` (`:546-572`) /
- `RemoveCommittedChild` (`:809-838`). Its two existing consumers are the
- lost-family deadline arm/cancel (`RuntimeSetPositionState:6024-6036`,
- `:6046-6060`). It allocates nothing on the read path (returns the stored
- `List` or `Array.Empty`).
-10. **Parented children's snapshots carry no Position.**
- `InboundPhysicsStateController.ApplyParent` (`:1347-1373`) sets
- `Position = null` (top-level AND PhysicsSpawnData); `ApplyAcceptedParent`
- / `ApplyAcceptedCreateParent` are timestamp-only. So the wire merge's
- `RefreshDerivedState` cell stamp (`Snapshot.Position is { } position`,
- `RuntimeEntityRecord.cs:232`) cannot fire for a committed child and
- cannot fight the propagation. P1 pins this with a test.
-
----
-
-## 1. Site inventory — re-located at `cff52c44`
-
-Every site verified by reading at HEAD, not inherited from the scoping.
-
-### 1.1 The Runtime commit family (`src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs`)
-
-| symbol | at HEAD (was, in scoping) | route-7 relevance |
-|---|---|---|
-| `TryApplyPickup` | `:1249-1312` (was `:1226-1245`) | pickup: gate → `RefreshSnapshot` → `ForgetInitialCreateResidence` `:1293` → `AdvancePositionAuthority` `:1294` → `CollisionReports.LeaveWorld` `:1295` → `SetPosition.Forget` `:1297` → `SuspendObjectClock` `:1300` → `SetFullCell(0,0)` `:1301` → `ParentAttachments.EndChildProjection` `:1302` → publish `Withdrawn`. **T7's inversion lives at `:1295-1302`** (leave-world work before the unparent). Dormant-residence deferral `:1255-1281`. |
-| `TryApplyParent` | `:1336-1386` | accepts/stages the standalone ParentEvent; dormant-residence deferral `:1342-1379`; live path `Entities.TryApplyParent` → `CommitPositionChannelUpdate`. Untouched by this slice. |
-| `TryApplyCreateParent` | `:1314-1334` | envelope flavor; untouched. |
-| `TryCommitParent` | `:1388-1441` (was `:1360-1374`) | the parent-relation commit (retail `add_child`-success analog). Carries the C0-4(a) cancellation chokepoint `:1426-1431` and the **F4 deliberate `LeaveWorld` omission comment `:1418-1425`** (T8 — do not "fix"). `AdvanceParentCommit` `:1432`. **D1 does NOT add the re-cell here** — see D1 for why it lives on the cell-less commit's successor instead. |
-| `CommitAcceptedParentCellless` | `:1443-1474` (was `:1377-1408`) | retail `set_parent`'s `leave_world` edge: cancellations → `CollisionReports.LeaveWorld` `:1462` → `SuspendObjectClock` `:1463` → `SetFullCell(0,0)` `:1464` → publish `Withdrawn`. **D1's extension point: the missing `parent->cell != 0` → `change_cell` half goes immediately after this edge.** |
-| `TryApplyPosition`'s unparent edge | `EndChildProjection` at `:1838`, after `RefreshSnapshot` `:1830` | the Position-unparent (retail `HandleReceivedPosition`'s `unset_parent` @0x00454129). **Same inversion shape as T7 but on route 4's surface — recorded in §9 as a non-goal, NOT touched here.** Also carries 4b-3's `PreMergeCommittedCellId` measurement `:1801-1814` — see §11 for the cross-contract interaction. |
-| `CommitRebucket` | `:1863-1894` | the App rebucket's canonical write; publishes `Rebucketed` on an actual cell change. After D4, no equipped-child caller remains. |
-| `CommitWithdrawal` | `:1896-1929` (was `:1845-1860`) | withdrawal-to-cellless with the C0-4(b) symmetric cancellation; `SetFullCell(0,0)` `:1921`. D2's propagation covers its children automatically. |
-| `TryAcceptDelete` | `:1973-2034` (was `:1939-1952`) | **`ParentAttachments.DeleteGeneration` runs at `:1996-1998`, BEFORE the active record retires (`RemoveActive` `:2005`), and the delete path performs NO `SetFullCell`** — so D2's chokepoint never fires for a deleted parent's children and D3's explicit delete edge must run before `:1996`. |
-| `ForgetInitialCreateResidence` / `PreferCancellation` | `:2620-2637` / `:2639-2642` (was `:2552-2569` / `:2571-2574`) | unchanged by this slice. |
-| `AcknowledgeProjectionAndPublish` | `:2255` on (was `:2187-2213`) | publication discipline: cancellation receipt first, then currency re-check, host ack, publish. Unchanged. |
-| `CommitChildNoDraw` | `:1931-1950` | retail `set_parent`'s NoDraw inheritance — already ported; untouched. |
-
-### 1.2 The classifier (`src/AcDream.Runtime/Physics/RuntimeAuthoritativePositionRouteClassifier.cs`)
-
-| symbol | at HEAD | relevance |
-|---|---|---|
-| `RuntimeLeaveWorldCause` | `:31-36` | deleted by D6. |
-| `RuntimeLeaveWorldRouteRequest` | `:141-145` | deleted by D6. |
-| `ClassifyLeaveWorld` | `:480-510` (was `:475-505`) | **ZERO production callers at HEAD** (re-verified: repo-wide grep returns the definition, one test at `RuntimeAuthoritativePositionRouteClassifierTests.cs:335-352`, and a comment at `RuntimeInitialCreateContinuationExecutorTests.cs:1672`). Deleted by D6, with the test. |
-| `ValidCreateAuthority` | `:512-516` (was `:507-512`) | requires `PreviousTeleportSequence == AcceptedTeleportSequence` — the #307 predicate shape. **T3 verified first-hand:** no pickup/parent gate measures a teleport pair (`InboundPhysicsStateController.TryApplyPickup` `:180-186` gates on `TryAcceptPositionChannelEvent` — retail's POSITION stamp @0x0045224B analog; `TryApplyParent` `:263-271` adds only parent-instance currency; `TryCommitParent` `:308-314` re-checks POSITION_TS currency). Wiring the classifier would force a fabricated, vacuously-equal teleport pair. This is D6's second leg. `ValidCreateAuthority` itself SURVIVES (the create route uses it); only the leave-world consumer dies. |
-
-### 1.3 App (`src/AcDream.App`)
-
-| symbol | at HEAD | relevance |
-|---|---|---|
-| `EquippedChildRenderController.TickChild` | `Rendering/EquippedChildRenderController.cs:373-413`; the rebucket at `:406-408` (was `:405-408`) | the render-tick canonical writer: after pose composition succeeds, `_liveEntities.RebucketLiveEntity(child.ChildGuid, parentCellId)`. **D4's demotion target — the ONLY `RebucketLiveEntity` call in the file (re-verified).** |
-| `EquippedChildRenderController.PrepareAndTryRealize` | `:841-885` | the graphical realize protocol: `CommitStagedParent` (→ `TryCommitParent`) `:856` → `Relations.CommitProjection` `:857` → `CommitAcceptedParentCellless` `:869-871` → `WithdrawPriorProjection` `:875-881` → `TryRealize`. D1's attach re-cell rides inside the Runtime commit this already calls — the App protocol does not grow a fourth call. |
-| `EquippedChildRenderController.ValidateParentProjection` | `:887-912` | retail `add_child` validation (Setup `HoldingLocations` via `_dats.Get`) — graphical-only today. D5's headless validation question. |
-| `EquippedChildRenderController.ResolveRelations` | `:786-795` | drives `Relations.Resolve` with snapshot-lookup callbacks — the resolution shape D5's headless drive reproduces Runtime-side. |
-| `LiveEntityRuntime.RebucketLiveEntity` | `World/LiveEntityRuntime.cs:801-977` (scoping's range still accurate) | the full legacy branch: spatial bucket + `CommitRebucket` `:904-907` + object-clock edges `:919-946` (whose own comment already states "parented/attached objects take retail update_object's parent early-out and remain suspended") + visibility publication. |
-| `LiveEntityRuntime.RebucketLiveEntityPresentationOnly` | `:993-1065` (was `:993-1050`) | the C3c presentation-only shape: spatial bucket + visibility, **deliberately no `CommitRebucket` / clock work**, guarded by `BeginPresentationOnlySpatialMutation`. Private; sole caller `TryApplyInitialCreateCompletionPresentation` `:1107`. D4 adds the equipped-child entry point beside it. |
-| `LiveEntityRuntime` wrappers | `TryApplyPickup` `:2312-2316`; `CommitStagedParent` `:2330-2336`; `CommitAcceptedParentCellless` `:2338-2363` (was `:2280-2312`) | the cell-less wrapper's doc (`:2338-2343`) still says "Commits retail `set_parent`'s cell-less edge" — accurate only for `parent->cell == 0`; D9 corrects it with D1. |
-| `LiveEntityHydrationController.OnPickup` | `World/LiveEntityHydrationController.cs:460-474` (was `:455-474`) | `TryApplyPickup` then `_relationships.OnChildBecameUnparented` — App-level order unchanged by D7 (D7 reorders INSIDE the Runtime method). |
-| `LiveEntityDeletionController` | `World/LiveEntityDeletionController.cs` | purely logical (re-verified: no placement/cell API). Untouched. |
-
-### 1.4 Headless (`src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs`)
-
-| symbol | at HEAD | relevance |
-|---|---|---|
-| `OnParentUpdated` | `:312-316` (was `:313-317`) | calls ONLY `Entities.TryApplyParent` — stages the relation forever. **Neither `TryCommitParent` nor `CommitAcceptedParentCellless` has any headless caller (re-verified: the only production callers are `EquippedChildRenderController.cs:856/:869` and the `LiveEntityRuntime` wrappers).** D5's insertion point. |
-| `OnPickedUp` / `OnDeleted` | `:176-180` / `:155-174` | thin pass-throughs; correct as-is. |
-
-### 1.5 Confirmed-clean (scoping §7.3, re-verified at HEAD)
-
-All six cancellation choke points live and symmetric (`:1141`, `:1293-1299`,
-`:1426-1431`, `:1456-1461`, `:1913-1919`, `:2007-2017`); ordering correct
-(`AcknowledgeProjectionAndPublish` publishes the cancellation first);
-receipts host-visible (`RuntimeSetPositionState.PublishCancellation` →
-`PublishPlacement`, consumed by both graphical sinks and
-`HeadlessRuntimePlacementProjectionSink`); pickup/parent during a pending
-residence defer as dormant continuations; grep for
-`SnapToCell|CommitRebucket|SuspendObjectClock|SetFullCell` across
-`src/AcDream.App` + `src/AcDream.Headless` still returns no
-pickup/parent/delete site outside the inventoried ones.
-
----
-
-## 2. Retail ground truth — verified for this contract; verify again yourself
-
-| claim | anchor | status |
-|---|---|---|
-| Pickup = `unset_parent` + `leave_world`, gated ONLY on the POSITION stamp; no placement, no rejection path that skips them once the stamp accepts | `SmartBox::DoPickupEvent` @0x00452240: gate @0x0045224B-0x00452274, stamp write @0x00452278, `unset_parent` @0x0045227F, `leave_world` @0x00452286 | **CORRECTED (retail-conformance review):** the gate span itself is UNVERIFIABLE from this source — Binary Ninja lowered both `DoPickupEvent`'s and `DoParentEvent`'s gate comparisons to a literal always-false expression (`if (-((eax_4 - eax_4)) != 0)`), losing the x87/flag-based wrapped-sequence compare. Only the gate's SHAPE (a wrap-aware sequence compare against `update_times[0]`) and the ORDER of the writes after it are legible — the write order is what D7 relies on and remains ✓. Was previously marked "✓ (scoping §7.2, re-read)", which overstated what the source supports. |
-| Parent = `set_parent` + `SetPlacementFrame`; `SetParentedState(1)` for a non-player parent gaining its first child | `SmartBox::DoParentEvent` @0x00452290: gate @0x00452296-0x004522C5, @0x004522F4, `set_parent` @0x00452305, `SetPlacementFrame` @0x00452313 | **CORRECTED, same basis as the row above:** the gate span is unverifiable from this source (same BN lowering artifact); the post-gate write order is legible and unaffected. D6's argument does not depend on this citation either — it rests on acdream already enforcing the POSITION_TS gate in `InboundPhysicsStateController` (verified directly), not on retail's gate expression being readable. |
-| `set_parent` order: `add_child` success → `unset_parent` @0x00515ABA → **one** `leave_world` @0x00515AC1 → `parent =` @0x00515AC6 → `if (parent->cell != 0)` @0x00515AD1 → `change_cell` @0x00515AD6 → `UpdateChild` @0x00515B0E → `recalc_cross_cells` @0x00515B15 → NoDraw inheritance @0x00515B26-38 | `CPhysicsObj::set_parent` @0x00515A90 (4-arg overload @0x00515B50 same shape) | ✓ |
-| `unset_parent` performs ZERO cell work: `remove_child` → NoDraw restore → `parent = null` → `update_time` → `clear_transient_states` | @0x00513470 (@0x00513484/@0x005134AC/@0x005134BF/@0x005134CE) | ✓ (child-cell-ownership doc §4) |
-| `leave_world` scrubs the detaching object: `remove_shadows_from_cells` @0x005155DD, recursive `leave_cell(this, 0)` @0x005155E6, zeroes only ITS OWN `objcell_id` @0x005155F4 | `CPhysicsObj::leave_world` @0x005155A0 | ✓ |
-| The propagation mechanism and its cadence — §0 items 1–3 | @0x00515330 / @0x00513390 / @0x00510ed0 / @0x00510f50 / @0x00515d40 | ✓ (settling research; binding) |
-| Delete order: `exit_world` @0x0050846B + `leave_world` @0x00508472 run BEFORE `unparent_children` @0x005084B9 — children's cells are nulled by the recursion while still attached, then unparented with no cell restore | `CObjectMaint::DeleteObject` @0x00508460 (same pattern in `DestroyObjects` @0x00508C30) | ✓ |
-| Cross-cell/shadow: `recalc_cross_cells` @0x00515A30 recurses children @0x00515A79 but runs only at attach; the per-move tail calls the non-recursive forms only @0x0051551B/@0x0051553E-4C | settling research §8 | ✓ (binding trap 5a) |
-| Route 7 never reaches `HandleReceivedPosition` @0x00453FD0 — `DoPickupEvent`/`DoParentEvent` are separate wire handlers; the single remote `ConstrainTo` arm @0x00454272 is unreachable from this route | scoping T1, re-affirmed | ✓ — the basis of D8 |
-
----
-
-## 3. What must REMAIN true (process rule 1 — for every path, including every refusal)
-
-1. **A committed child's canonical `FullCellId` equals its parent's at every
- stable observation point** — after attach (parent celled), after every
- parent cell crossing (any writer: simulation commit, rebucket, canonical
- placement, wire merge), after parent teleport, in BOTH hosts. This is the
- route's headline invariant and the headless gate's assertion (it fails
- today).
-2. **The child never becomes a self-simulating object.** Its `ObjectClock`
- stays suspended, it is never a spatial root, it joins no physics workset,
- and the propagation path never changes any of that (retail
- `update_object`'s `parent != 0` early-out @0x00515D40; the existing
- comment at `LiveEntityRuntime.cs:919-922` already states this rule for
- the App side).
-3. **No placement machinery engages on this route.** No
- `RuntimeSetPositionState` operation, no park, no `DeferredCell`, no
- service-window pre-flight, no ledger entry — the child cell write is
- retail `change_cell`: a direct identity write, not a placement (T6). The
- `ParkCollisionResidents` overlap throw stays unreachable and
- `RemotePlacementDrivePendingCount` is unaffected by any number of
- attach/crossing/withdraw events (4b-3 invariants 9/10 extended).
-4. **`ConstrainTo` is NEVER armed by route 7** — not at attach, not at
- pickup, not at delete, not on any child, regardless of what routes
- 2/4a/4b/5 established for their arms (T1; D8's partition).
-5. **The six cancellation choke points and their ordering are unchanged**:
- exactly-once `ForgetInitialCreateResidence` → `SetPosition.Forget` →
- `PreferCancellation`, receipt published before the entity delta.
-6. **`TryCommitParent` keeps exactly zero `CollisionReports.LeaveWorld`
- calls** (T8; the F4 comment at `:1418-1425` and the campaign plan both
- pin it — retail `set_parent` has ONE `leave_world` @0x00515AC1, and it is
- the cell-less commit's edge in acdream's staged protocol).
-7. **Presentation still advances, and is asserted** (process rule 4 / #312's
- layer): the equipped child renders in the hand, follows the parent across
- cell boundaries with no frame where it is bucket-stranded, disappears
- cleanly on unwield/pickup, and its collision leaves the world with it. A
- child must never be invisible-but-solid (#184) or solid-but-invisible.
-8. **No per-crossing child shadow/cross-cell rebuild** (§0 trap 5a). The
- child's broadphase state is established at attach/unparent edges only.
-9. **The dormant-residence deferrals are untouched**: pickup/parent arriving
- during a pending initial residence still enqueue
- `RuntimeInitialCreateContinuationKind.Pickup`/`Parent` continuations and
- replay through the executor (`RuntimeInitialCreateContinuationExecutor`'s
- parent replay `:2110-2126`, which already routes through
- `RuntimeEntityObjectLifetime.TryCommitParent`).
-10. **Route 1/2/4/5 classification inputs and dispositions are byte-identical.**
- Route 7 deletes `ClassifyLeaveWorld` (zero production callers) and
- changes NOTHING else in the classifier — `ClassifyCreate`'s
- `Parented`/`PickedUp` residence handling, `ValidCreateAuthority`'s
- create-route use, and every accepted-position branch stay untouched.
- Zero expectation changes in surviving classifier tests is the tripwire.
-11. **AP-135's writes, AP-131, #276, and #316 are untouched** (§9).
-12. **The lost-family deadline enumeration keeps working**:
- `ArmLostFamilyDeadlines`/`CancelLostFamilyDeadlines` read
- `ChildrenAttachedToParent` — D2/D3 change nothing about relation
- lifetime, only cell values.
-13. **Ledger convergence**: teardown, session reset, and generation change
- with committed children present (attached, mid-crossing, mid-unparent)
- converge the combined ownership ledger to zero — the J-series suites'
- shape, driven through the new edges.
-
----
-
-## 4. Design decisions — pinned, not open for redesign
-
-### D1 — the attach half: Runtime completes retail `set_parent`, on the cell-less commit
-
-Retail's attach sequence (§2 row 3) ends with `if (parent->cell != 0)
-change_cell(this, parent->cell)`. acdream's realize protocol today ends at
-the `leave_world` edge (`CommitAcceptedParentCellless`) and lets a render
-tick supply the re-cell. Pinned:
-
-- **`CommitAcceptedParentCellless` (or a successor commit it becomes part
- of) gains retail's second half**: after the cell-less edge's existing
- writes, if the PARENT's canonical record is active and
- `parent.FullCellId != 0`, write the child's full canonical cell identity
- to the parent's exact values (`FullCellId`, `CanonicalLandblockId`) —
- through the same D2 write path, so attach and crossing are one mechanism,
- not two. If the parent is cell-less (retail `parent->cell == 0`
- @0x00515AD1), the child stays cell-less — exactly today's behavior, now
- by the retail-cited gate instead of by omission.
-- **Both halves are ONE synchronous Runtime transaction.** No caller may
- observe the child cell-less between the edge and the re-cell within the
- same call; no deferred continuation may interleave. The method needs the
- parent's identity to do this — the natural source is the committed
- relation (`ParentAttachmentState.TryGetProjection`/`_lastAcceptedByChild`
- via a lookup, or a parent parameter threaded from the caller, both of
- which the realize protocol and the executor's parent replay already
- hold); implementer's choice, pinned constraint: the parent must be
- resolved by (guid, incarnation) currency, never by guid alone.
-- **Why not inside `TryCommitParent`?** Retail's cell write follows the
- `leave_world` (@0x00515AC1 precedes @0x00515AD6). acdream's protocol
- splits `set_parent` across `TryCommitParent` (relation commit) then
- `CommitAcceptedParentCellless` (leave-world edge); the re-cell belongs
- after the second, preserving retail's order. Putting it in
- `TryCommitParent` would re-cell BEFORE the leave-world edge zeroes it —
- a self-defeating order. The executor's deferred parent replay and the
- graphical realize both already call the pair in this order; D5's headless
- drive calls the same pair.
-- `UpdateChild` (frame composition) and NoDraw inheritance remain where
- they are (App pose composition; `CommitChildNoDraw`) — unchanged.
-- `recalc_cross_cells` @0x00515B15: acdream's analog at attach is the
- EXISTING behavior (the child's collision reports were force-ended by the
- cell-less edge; no child broadphase registration exists to rebuild).
- Pinned: **no new cross-cell/shadow machinery is built at attach**, and P4
- requires the implementer to state the child's actual broadphase state at
- each edge with the retail anchor.
-
-### D2 — the sustaining half: propagation at the one canonical-cell funnel
-
-**The load-bearing decision.** Retail's trigger is "every mechanism that
-changes the parent's cell" — in retail that is one function (`change_cell`);
-in acdream the analog is the one funnel every canonical cell write already
-passes through (§0 item 8). Pinned:
-
-- **The propagation hook lives at the directory funnel** — inside
- `RuntimeEntityDirectory.SetFullCell` and the `RefreshSnapshot` →
- `RefreshDerivedState` derived write (either by routing the latter through
- the former or by hooking both; implementer's structural choice, pinned
- outcome: **no canonical cell write can bypass the hook**). Per-committer
- hooks (≥8 sites) are REJECTED — that is the "mapping written against one
- caller's reachable set" defect class, and one missed site is a stranded
- child.
-- **The step:** when a record's `FullCellId` changes and
- `ParentAttachments.ChildrenAttachedToParent(record.ServerGuid,
- record.Incarnation)` is non-empty, write each active committed child's
- canonical cell to the parent's new exact values, **recursively** (a
- child's own committed children follow — retail `enter_cell`/`leave_cell`
- self-recursion, §0 item 1). Depth-1-only is NOT acceptable without an
- explicit stated assumption plus a register row (§0 item 4.iii) — and
- since recursion here is a dictionary probe per level, ship the recursion.
-- **Termination and idempotence:** skip a child whose `FullCellId` already
- equals the target value. This terminates any wire-induced relation cycle
- (self-parenting is already rejected at
- `EquippedChildRenderController.ValidateParentProjection:890-891`, but
- A→B→A via wire must still terminate), avoids spurious
- `SpatialAuthorityVersion` churn, and subsumes retail's same-cell depth-1
- id refresh (§0 item 2): with one field playing both retail roles, a
- same-value restamp is unobservable, so the same-cell fast path needs no
- separate mechanism. **This equivalence is a stated assumption of the
- single-field model and rides in D9's register row.**
-- **What the step writes:** the child's canonical `FullCellId` +
- `CanonicalLandblockId` — acdream's full canonical identity (§0 item 6:
- the field IS the residency predicate). What it must NOT do: no clock
- changes, no workset/spatial-root changes, no shadow work, no placement
- operations, no `CollisionReports` calls, no App callbacks. Field writes
- plus version bumps only — safe to run re-entrantly inside a
- `RuntimeSetPositionState`/`RuntimePhysicsState` transaction that is
- mid-commit on the parent (P5).
-- **Publication:** per-child lifetime deltas are NOT published from the
- propagation step, matching the physics-commit precedent
- (`RuntimePhysicsState.CommitCanonicalCell` publishes no lifetime delta;
- it fires `CellCommitted`, which is parent-scoped and unchanged). The
- attach re-cell (D1) rides inside a commit that already publishes; the
- crossing propagation is silent. **Uniformity note:** today's TickChild
- path DID publish `Rebucketed` deltas for children via `CommitRebucket`
- (`:1889-1893`); D4 removes those. P8 requires enumerating `Rebucketed`
- consumers and confirming none needs a per-child delta — if one does, flip
- this default and publish uniformly from both D1 and D2, and say so in the
- commit.
-- **Allocation:** 0 B on the propagation path (the children list is the
- stored list; recursion uses the call stack or a pre-sized scratch —
- Slice I discipline).
-- **Do not** propagate to `_stagedByChild`/`_recoveryByChild`/unresolved
- relations — retail's CHILDLIST holds committed children only, and
- `ChildrenAttachedToParent`'s own doc already pins this ("must not capture
- staged, unresolved, or future-generation relations").
-
-### D3 — the withdrawal and delete edges (resolves §0 trap 5b under the single-field model)
-
-Retail's removal behavior: `leave_cell` recursion nulls each child's `cell`
-pointer but leaves a stale non-zero `objcell_id`; the functional state is
-"not resident anywhere." acdream has ONE field, and that field is the
-residency/liveness predicate at 45+ sites (§0 item 6). Pinned:
-
-- **Withdrawal propagates zero.** A parent's `SetFullCell(0,0)` (pickup
- `:1301`, `CommitWithdrawal` `:1921`, cell-less parent commit `:1464`,
- residence re-begin `:2660`) flows through D2's chokepoint like any other
- value: committed children (and their subtrees) go cell-less. This is the
- functional mapping of retail's recursive `leave_cell` — the retail
- stale-id residue is NOT reproduced, because reproducing it would leave a
- child "resident" per every acdream predicate while retail's own gating
- field (`cell == nullptr`) says it is not. **The id/pointer collapse and
- this deliberate non-reproduction are recorded in D9's register row.**
-- **Delete gets an explicit edge.** `TryAcceptDelete` performs no
- `SetFullCell`, and `ParentAttachments.DeleteGeneration` (`:1996`) removes
- the relations before the record retires — so the chokepoint alone leaves
- a deleted parent's children stranded at a stale non-zero cell, which
- under acdream's predicates means "still resident" (the #184 shape, until
- each child's own DeleteObject arrives). Pinned: **before
- `DeleteGeneration` runs, the delete path applies the children's
- leave-world edge** — for each active committed child of the exact deleted
- incarnation (recursively), cell-less via the same D2 write path. Retail
- order anchor: `DeleteObject`'s `leave_world` @0x00508472 runs before
- `unparent_children` @0x005084B9, i.e. children are still attached when
- the recursion nulls their cells. The children's RELATIONS are then torn
- down by the existing `DeleteGeneration` exactly as today; the children's
- own records stay alive awaiting their own wire terminal (retail:
- `unparent_children` does not destroy children either).
-- `EndGeneration` (`ParentAttachmentState:665-694`, the replacement-
- generation path) — same stranding shape, same fix, same edge, applied at
- its Runtime call site (`RuntimeEntityObjectLifetime:1000`).
-
-### D4 — the App demotion: TickChild becomes presentation-only (resolves T5)
-
-- `EquippedChildRenderController.TickChild:406-408` stops calling the
- public `RebucketLiveEntity` and calls a new **internal equipped-child
- presentation rebucket** on `LiveEntityRuntime` — the
- `RebucketLiveEntityPresentationOnly` shape (`:993-1065`: spatial bucket
- move, visibility resolution, presentation refresh, visibility-change
- publication, `BeginPresentationOnlySpatialMutation` guard), with
- **deliberately no `CommitRebucket`, no clock edges** — because after
- D1/D2, Runtime already owns the canonical commit, which is exactly the
- C3c precondition that method's doc demands for presentation-only use.
- (The C3c-R1 R2 warning at `:824-832` — "post-residence moves take the
- full legacy branch" — does not apply: it protects entities whose ONLY
- cell authority would otherwise be the graphical rebucket; an equipped
- child's authority is now the D1/D2 Runtime write.)
-- The entry point is child-scoped (assert the record has a committed parent
- relation, or is called only from the equipped-child controller) so it can
- never become a general bypass of the legacy branch.
-- **T5's regression risk is the acceptance test, not a reason to keep the
- old writer:** route 4a's R1 showed that dropping the bucket move leaves an
- entity body-correct but draw-bucket-stale (invisible-but-solid). The
- demoted call MUST still move the graphical bucket every time the parent's
- `ParentCellId` changes — TickChild's existing cadence (per recomposition,
- with `ParentPresentationMatches`/`CaptureParentPresentation` change
- detection on `LastParentCellId`, `:426-446`) already provides the
- trigger; only the canonical half is removed. The connected gate's
- carry-across-landblock step plus the dual-layer tests (§6) enforce it.
-- All other TickChild effects (pose composition, `ParentCellId` mirror,
- draw-visibility inheritance, `PublishChildPose`, `ProjectionPoseReady`)
- are untouched. `WorldEntity.ParentCellId` remains presentation (AP-133's
- split is not re-litigated).
-
-### D5 — the headless parent-realize drive
-
-`RuntimeLiveEntitySessionController.OnParentUpdated` (`:312-316`) grows the
-realize that headless never had: after `TryApplyParent` accepts/stages,
-resolve the staged relation (the `ParentAttachmentState.Resolve` +
-`TryGetStagedProjection` protocol `ResolveRelations` demonstrates —
-snapshot-known + instance-currency callbacks, all Runtime-readable) and run
-the SAME commit pair the graphical protocol runs: `TryCommitParent` →
-`CommitAcceptedParentCellless`-with-D1. Also drive the deferred/recovery
-retry the graphical controller performs on parent arrival (children waiting
-for a parent that appears later — `OnSpawned`'s projection path), to the
-extent the direct host receives those events; state what is deliberately
-not driven (pose composition, which is presentation and does not exist
-headless).
-
-**The validation gap, pinned rather than discovered later:** retail's
-`add_child` validates the holding location against the parent's Setup
-(`CSetup::GetHoldingLocation` @0x0050F896); the graphical host ports this
-via `ValidateParentProjection`'s DAT read. The headless host reads prepared
-collision content, which does not expose `Setup.HoldingLocations`. Pinned:
-**the headless drive commits on gate acceptance + relation resolution
-alone, skipping the holding-location validation, recorded as a register row
-in the same commit** (a server-sent invalid location would attach headless
-where retail/graphical reject — unreachable against a well-behaved ACE, but
-a divergence and it gets its row; precedent: the content-less host's
-documented reduced-fidelity registration at
-`RuntimeLiveEntitySessionController:108-117`). If the reviewer finds
-`HoldingLocations` cheaply exposable through existing prepared content, that
-retires the row — but do NOT extend the bake format for it in this slice
-(stop-and-report if that seems required).
-
-### D6 — `ClassifyLeaveWorld` is DELETED (resolves T2, informed by T3)
-
-Delete `ClassifyLeaveWorld` (`:480-510`), `RuntimeLeaveWorldRouteRequest`
-(`:141-145`), `RuntimeLeaveWorldCause` (`:31-36`), and the one pinning test
-(`RuntimeAuthoritativePositionRouteClassifierTests:335-352`). Rationale,
-recorded in the commit:
-
-- **Retail has no classification here.** `DoPickupEvent` @0x00452240 and
- `DoParentEvent` @0x00452290 are separate wire handlers dispatching
- directly; they never reach `HandleReceivedPosition`. Method-per-cause in
- `RuntimeEntityObjectLifetime` IS the retail shape — the scoping's worry
- ("the cause discriminator is implicit in which method the caller picked")
- describes retail's own dispatch, not a defect.
-- **The only gate retail has is the POSITION stamp**, and acdream already
- enforces exactly that, in Runtime, at
- `InboundPhysicsStateController.TryApplyPickup/TryApplyParent/TryCommitParent`
- (§1.2). Wiring the classifier would ADD a second gate
- (`ValidCreateAuthority`'s teleport-pair equality) that no pickup/parent
- path can honestly populate (T3, verified) — a vacuous-or-wrong predicate
- with the #307 defect shape, plus T2's rejected-classification
- silent-pickup-drop hazard, for zero behavioral gain.
-- This closes the scoping's "wire it or delete it" demand in the direction
- the evidence points; the scoping's lean ("wire it") predates the T3
- verification and is overridden with cause (§10).
-
-### D7 — pickup ordering adopts retail's (resolves T7)
-
-`TryApplyPickup` reorders to retail's `unset_parent`-then-`leave_world`:
-`ParentAttachments.EndChildProjection` moves ahead of
-`CollisionReports.LeaveWorld` → `SetPosition.Forget` → `SuspendObjectClock`
-→ `SetFullCell(0,0)` (anchors @0x0045227F before @0x00452286). The
-cancellation sequence, `AdvancePositionAuthority`, and the publication
-discipline are unchanged. Verified inert against the new machinery: the
-picked-up entity's own D2 propagation consults ITS children, not its
-relation to its parent, so the reorder cannot change propagation; no
-in-between callback exists (`AcknowledgeProjectionAndPublish` runs after
-both). This retires the recorded inversion instead of carrying the "not
-proven inert" caveat forward. **The sibling inversion on the
-Position-unparent edge (`TryApplyPosition:1830/:1838`) is route 4's surface
-and is NOT touched — recorded in §9.**
-
-### D8 — the inverse-leash partition, and the guards that do NOT come along
-
-The route-7 column of the campaign's constraint-arm partition — stated so an
-implementer arriving from 4b-2/4b-3/5 ("arm on nonzero return, on every
-placement outcome") cannot carry the rule across:
-
-| event | retail path | `ConstrainTo`? | placement? | distance/snap guards? |
-|---|---|---|---|---|
-| pickup | `DoPickupEvent` — never reaches `HandleReceivedPosition` | **never** | none | none |
-| parent (attach) | `DoParentEvent` — same | **never** | none — `change_cell` is an identity write | none |
-| parent cell crossing (propagation) | `SetPositionInternal` child handling — the PARENT's own route arms whatever ITS route arms; the child arms nothing | **never (for the child)** | none | none |
-| delete | `DeleteObject` | **never** | none | none |
-
-Explicitly NOT imported (T4/T6): AP-87's 4 m `BodySnapThreshold`, the 96 m
-`MaxPhysicsDistance`, `MoveOrTeleport`'s near/far split, 4b-1's
-service-window machinery, and any `CanAttemptDestination` pre-flight —
-pickup/parent/delete have no distance concept and no deferrable Core
-condition (retail's `change_cell` runs no sweep and no `AdjustPosition`).
-If an implementer finds a reason a child cell write CAN defer, that is a
-new finding: stop and report.
-
-### D9 — register and comment bookkeeping, in the implementation commit
-
-- **ONE new AP row — the parented-child cell model** (three clauses, all
- intentional-architecture): (a) acdream collapses retail's
- `cell`-pointer/`objcell_id` pair into one canonical `FullCellId` that is
- also the residency predicate; consequently (b) the removal path
- propagates ZERO to children where retail leaves a stale non-zero
- `objcell_id` under a null pointer (@0x005133C1 / `leave_cell`'s absent id
- write — deliberate non-reproduction, D3), and (c) retail's same-cell
- depth-1 per-tick id refresh (@0x005153BD) is subsumed by the
- value-idempotent chokepoint (D2) rather than ported as a tick loop.
- Anchors: @0x00513390, @0x00510ed0, @0x00510f50, @0x0051539c-@0x005153d8,
- @0x00515d40.
-- **ONE new AP row — headless holding-location validation skip** (D5), if
- the reviewer confirms no cheap prepared-content read exists.
-- **AP-136's writer list shrinks**: "the equipped-child renderer
- `EquippedChildRenderController.TickChild`" dies as a canonical rebucket
- writer (register line ~287); the surviving non-Position rebucket writer
- is the projection materializer alone. Update the row and the two doc
- comments that carry the same claim:
- `RuntimeSetPositionState.cs:4543` and
- `RuntimeRemotePlacementDriveController.cs:1617`.
-- **Comment corrections** (process rule 6, each verified against the code
- beside it): `LiveEntityRuntime.CommitAcceptedParentCellless`'s doc
- (`:2338-2343`) — "commits retail set_parent's cell-less edge" gains the
- D1 second half; the same class's `RebucketLiveEntityPresentationOnly` doc
- ("called ONLY from `TryApplyInitialCreateCompletionPresentation`")
- updates for the D4 entry point; `TickChild`'s surroundings; the
- `ParentAttachments.EndChildProjection` doc ("after Pickup or a world
- Position") if D7's reorder makes its phrasing stale; grep
- `TickChild|CommitAcceptedParentCellless|RebucketLiveEntity` across
- `src/` + `docs/architecture/` and re-point every survivor.
-- **No row deletion.** AP-124, AP-131, AP-132 (queued-parent incarnation
- gating), AP-133, AP-135 all survive untouched.
-- **ISSUES.md**: none closed by this slice unless the implementer finds the
- headless child-cell defect has a filed number (none found at HEAD — it is
- recorded only in the campaign plan's gap list; update that list's wording
- when this lands).
-
----
-
-## 5. Proof obligations (must prove, not assume; stated in the implementation commit)
-
-- **P1 — no merge fights the propagation.** For a committed child, every
- snapshot-mutation path (ObjDesc, motion, state, PVP bitfield, parent
- re-commit) leaves `Snapshot.Position` null (§0 item 10), so
- `RefreshDerivedState` never stamps a child cell from its own snapshot.
- One test drives each mutation family against an attached child and
- asserts the canonical cell still tracks the parent.
-- **P2 — the child stays parent-suspended.** After attach, after ten
- crossings, and after a parent teleport: child `ObjectClock` suspended,
- not a spatial root, in no workset, no `RemoteMotion`, body (if any)
- inactive. (Invariant 2; retail @0x00515D40.)
-- **P3 — no placement-ledger engagement.** Attach/crossing/withdraw/delete
- sequences leave `RemotePlacementDrivePendingCount`, SetPosition operation
- counts, and park counts at their prior values.
-- **P4 — the child broadphase story, stated.** What is a child's
- shadow/broadphase registration at attach, across crossings, at
- unparent-by-Position, at pickup, at parent delete? The implementer writes
- the answer down with the retail anchors (`leave_world`'s
- `remove_shadows_from_cells` @0x005155DD; `recalc_cross_cells` at attach
- only; §0 trap 5a) and confirms the propagation path performs zero shadow
- work. If a gap is found (e.g. a child shadow that should exist and does
- not), it is FILED, not silently fixed in this slice.
-- **P5 — re-entrancy safety of the chokepoint.** The propagation runs
- inside whatever transaction wrote the parent's cell
- (`RuntimeSetPositionState` placement commit, `RuntimePhysicsState`
- simulation commit, `CommitRebucket`, the wire merge). Because it is
- field-writes-only (D2), it cannot re-enter those owners. Prove with a
- focused test per writer family plus the existing reset/reentrancy suites
- green.
-- **P6 — zero allocation** on the propagation path (the Slice I
- discipline): a warmed crossing with N children allocates 0 B.
-- **P7 — delete-edge ordering.** The children's leave-world edge reads
- `ChildrenAttachedToParent` BEFORE `DeleteGeneration` removes the
- relations; a test deletes a parent with an attached (and a
- grand-attached) child and asserts both went cell-less.
-- **P8 — publication consumers.** Enumerate `RuntimeEntityChange.Rebucketed`
- consumers; confirm none requires the per-child deltas TickChild's
- `CommitRebucket` used to produce, or flip D2's publication default and
- say so. (This is route 5's A1 lesson applied prospectively: the App/host
- layer must be shown to tolerate the Runtime seam's chosen silence.)
-
----
-
-## 6. Test plan
-
-Rules (route 5 §7's, verbatim where they apply): assert the layer that
-historically broke — presentation and canonical cell, not only
-`InWorld`/clock; assert positive facts, not only negatives; every new test
-must fail against a broken implementation (no source-text pins). The
-**dual-HOST discipline** is this route's analog of route 5's dual-kind
-theories: every Runtime-level scenario runs against the Runtime owners
-directly (headless-shaped) AND through the graphical wrappers, asserting
-the same canonical outcome — that is what makes the headless gap a failing
-test rather than a host-specific accident.
-
-Focused Runtime tests (`tests/AcDream.Runtime.Tests`):
-
-1. **Attach, parent celled** (D1): commit pair on a child whose parent has
- `FullCellId = A` → child ends at A (positive), `Withdrawn`-then-re-celled
- within one call (no observable cell-less escape), collision reports
- force-ended, clock suspended, POSITION_TS consumed. Companion: parent
- cell-less → child stays cell-less (the @0x00515AD1 gate), and a LATER
- parent cell commit re-cells the child through D2 (the deferred-attach
- catch-up retail gets for free from propagation).
-2. **Crossing propagation per writer family** (D2): parent cell changed via
- (a) `CommitRebucket`, (b) `RuntimePhysicsState.CommitCanonicalCell`
- (simulation commit), (c) a canonical placement commit
- (`RuntimeSetPositionState`), (d) the wire merge (`RefreshSnapshot` with
- a Position) → child follows in every case; grandchild follows
- (recursion); a cycle (A→B committed both ways by hostile wire) terminates.
-3. **Same-cell idempotence**: a parent commit to its CURRENT cell leaves
- child `SpatialAuthorityVersion` unchanged (the D2 short-circuit,
- positive form: the child was already correct).
-4. **Withdrawal edges** (D3): pickup of the parent, `CommitWithdrawal` of
- the parent, and residence re-begin each zero the child (and grandchild);
- delete of the parent zeroes children BEFORE relations vanish (P7);
- `EndGeneration` same.
-5. **Pickup of the child itself** (D7): relation removed before the
- leave-world writes (order pinned via the relation table's state at the
- cell write — e.g. a propagation-visible probe or the committed-children
- list emptiness at `SetFullCell(0,0)` time), cell zeroed, clock
- suspended, `Withdrawn` published with the cancellation receipt first —
- and the entity's own children (if any) went cell-less too.
-6. **Never-arm partition** (D8): after attach + five crossings + pickup +
- delete, no constraint/`PositionManager` state exists for parent or child
- beyond what the parent's OWN route had already armed; arm counts
- unchanged by every route-7 event.
-7. **No-placement invariant** (P3) and **ledger convergence** (invariant
- 13): teardown/reset/generation-change with children attached,
- mid-crossing, and mid-unparent.
-8. **Headless parent-realize** (D5): through
- `RuntimeLiveEntitySessionController.OnParentUpdated` with a live
- directory: staged → committed → celled at the parent's cell — **the
- test named by the route-6 scoping as failing today** (child canonical
- `FullCellId == parent's` at a stable checkpoint), now in-tree and green;
- plus the deferred flavor (parent arrives after the relation).
-9. **Classifier deletion** (D6): surviving classifier tests byte-identical
- (zero expectation changes — the §3 item 10 tripwire).
-
-App-layer tests (`tests/AcDream.App.Tests`):
-
-10. **The demotion keeps presentation whole** (T5/#184's layer): drive the
- realize + a parent cell change through the graphical stack; assert the
- child's render entity moved buckets (spatial index / visibility state),
- `ParentCellId` mirrors the parent, AND the canonical cell was written
- by Runtime (not by the presentation path — assert
- `CommitRebucket` was not the writer, e.g. via the presentation-only
- guard). **Sabotage check (manual, TWO runs — corrected at the
- architecture review, A1): break D2's propagation and confirm THIS test
- fails on the CANONICAL half while presentation still moves; separately,
- stub out the presentation rebucket call (`RebucketEquippedChildPresentation`)
- and confirm THIS SAME test fails on the PRESENTATION half while the
- canonical cell is still correct.** The first implementation round ran
- only the first of these two and shipped an assertion
- (`child.WorldEntity.ParentCellId`) that TickChild writes unconditionally
- before the demoted call runs — satisfied whether or not the demoted
- call executes at all — so the presentation half had zero effective
- coverage despite the contract asking for it. If EITHER sabotage run
- leaves the test green, the test is asserting the wrong layer; fix the
- test. Assert against the actual spatial bucket (e.g. a landblock
- membership query), not a mirror field TickChild writes elsewhere.
-11. **Unwield/pickup teardown**: after pickup, the child's projection is
- gone, no bucket residue, no shadow residue (the invisible-but-solid
- regression assert, stated positively: the cell is 0, the projection
- withdrew, the relation is gone).
-12. **P8's publication check** as a test where feasible (a consumer-facing
- assertion that the graphical host converges without per-child
- `Rebucketed` deltas).
-
----
-
-## 7. Gates
-
-> **SUPERSEDED 2026-08-05 (#319).** This section's gate criterion ("A session
-> counts as a pass ONLY if the probe shows the propagation executed") is
-> UNFALSIFIABLE in the presence of #319's defect — a zero-cell player child
-> emits NO `[child-cell]` line at all, which this criterion reads as "clean"
-> rather than "broken." Two captured gate sessions passed this exact
-> criterion while carrying the defect. The corrected criterion (a positive
-> equality assertion — the equipped child's `FullCellId` equals the parent's
-> after a crossing — instantiated for BOTH parent classes) lives in
-> [`2026-08-05-c4-closeout-handoff.md`](2026-08-05-c4-closeout-handoff.md)
-> and is run at
-> [`2026-08-05-issue-319-contract.md`](2026-08-05-issue-319-contract.md) §7.
-> Do not re-run this section's recipe as written; use the corrected one.
-
-- **Focused**: the §6 suites, green.
-- **Complete Release suite**:
- `$env:ACDREAM_PAK_PATH = "$env:USERPROFILE\Documents\Asheron's Call\acdream.pak"`,
- `dotnet test AcDream.slnx -c Release -m:1`. **Baseline 11,063 passed / 4
- skipped / 0 failed at `cff52c44`.** The count will move (one classifier
- test deleted, new suites added) — measure and record the new figure; do
- not inherit the baseline. Two known flakes, never chase and never
- conflate: **#302** (`PortalProjectionTests.ClipToRegion_FrameOwnedStore_…`,
- GC-allocation assertion, App.Tests) and **#308**
- (`NakEmissionTests.LossSoak_…`, wall-clock deadline, Core.Net.Tests,
- full-suite load only). If either appears, re-run and say which.
-- **Connected two-client gate (user-run) — this route IS user-visible.**
- Probe: `ACDREAM_PROBE_CHILD_CELL=1`, `PhysicsDiagnostics`-owned, marked
- TEMPORARY with the existing probe family; one `[child-cell]` line per
- Runtime child-cell write with parent guid, child guid, old→new cell, and
- cause (`attach` / `propagate` / `withdraw` / `delete` /
- `headless-attach`). **A session counts as a pass ONLY if the probe shows
- the propagation executed** (process rule 5; 4b-3's gate precedent — a
- clean-looking session with zero `cause=propagate` lines during step 2 is
- a not-run). Recipe (scoping §7.7, carried):
- 1. Equip/unequip cycle — weapon then shield, five times, observer
- watching: in the hand, at the hand, oriented with the hand, clean
- disappearance on unwield.
- 2. **Carry across ≥2 landblock boundaries and back**, both directions of
- observation; expect `cause=propagate` lines at each crossing, child
- cell always equal to the player's. Include one indoor/dungeon
- traversal (EnvCell-to-EnvCell crossings are the high-frequency case).
- 3. Pickup: drop the weapon, pick it back up — leaves the ground, no
- ghost, no invisible collider at the drop site.
- 4. Loot an equipped item from a kill (the delete edge under load).
- 5. Reconnect with equipment — re-attaches.
- 6. Portal recall while equipped — equipment present and following after
- arrival.
- Regressions to watch: weapon drawn at the world origin or its last
- ground position; invisible while equipped; **left behind at a landblock
- boundary** (the demotion's specific risk); invisible-but-solid at a
- former position (#184); child culled while the parent is visible or vice
- versa. Graceful close per the standing ACE session rule.
-- **Headless gate**: the §6 test 8 assertion (child canonical `FullCellId`
- equals the parent's at a stable checkpoint) — the direct regression test
- for the defect, which **fails today** — plus one headless session where
- the local player equips (via the bot command surface) and crosses a
- boundary, asserting the same, with `cause=headless-attach`/`propagate`
- probe lines in the log.
-
----
-
-## 8. Budget and stop conditions
-
-**Size estimate at HEAD** (supersedes the scoping's §7.6 table, whose shape
-changed twice — the propagation research added D2/D3, and D6 became a
-deletion):
-
-| piece | non-comment production lines |
-|---|---|
-| D1 attach re-cell in the cell-less commit | 40-80 |
-| D2 directory-funnel propagation + recursion/idempotence guards | 50-90 |
-| D3 delete/EndGeneration explicit edges | 15-35 |
-| D4 demotion + internal presentation-only child entry point | 40-80 |
-| D5 headless parent-realize drive | 60-110 |
-| D6 `ClassifyLeaveWorld` family deletion | net −60 to −70 |
-| D7 reorder | ~3 |
-| probe | 15-25 |
-| **net added** | **~165-355** |
-
-Within the scoping's 300-490 envelope (below it, thanks to D6 being a
-deletion). Tests are the larger share, ~450-750 lines.
-
-**Route 7 remains ONE slice and MUST NOT be split** — re-validated at HEAD:
-the Runtime canonical write (D1/D2) and the App demotion (D4) are two
-halves of one transfer. Landing D4 without D1/D2 leaves every equipped
-child cell-less/stranded (the #184 shape); landing D1/D2 without D4 creates
-a per-frame two-writer race on the canonical cell — the exact defect class
-this campaign exists to remove. D5 rides along because it is the same
-Runtime commit with a thin driver, and the headless gate is the route's
-direct regression test.
-
-**Stop and report rather than pushing through when:**
-
-1. Added production lines exceed **550** — the likely cause would be the
- propagation needing its own publication/receipt machinery (P8 flipping
- the default into something structural) or the headless resolve needing
- more of the graphical protocol than the thin drive assumed; either is a
- decomposition conversation, not an ad-hoc build.
-2. Any placement, park, service-window, or `ConstrainTo` machinery starts
- looking necessary on this route (D8's last paragraph).
-3. P8 finds a `Rebucketed` consumer that genuinely needs per-child deltas
- AND publishing them breaks an ordering invariant.
-4. P4 finds a live child broadphase registration that per-crossing
- propagation would leave stale (that would mean acdream has child shadow
- state retail does not, and the design changes).
-5. D5's validation gap turns out to require extending the prepared-content
- bake format.
-6. Any surviving classifier test changes expectation (§3 item 10).
-7. The complete Release suite deviates from baseline beyond the two named
- flakes.
-
----
-
-## 9. What this slice does NOT do
-
-- **AP-131** (shared merge call / `clearParent` gating) — C5. The
- Position-unparent edge's ordering inversion (`TryApplyPosition:1830/:1838`
- vs retail @0x00454129) is the same family: **recorded here, not touched**
- — it belongs with AP-131's route-4-side correction.
-- **AP-135, #276, #316** — untouched.
-- **R6-a** (retail `DeclareValid`'s `SetSelectedObject` split-recovery
- selection transfer) — out of C4, per route 6's closure; file separately.
-- **`UnparentBeforeRouting` / `ApplyPlacementFrameBeforeRouting`** stay
- recorded-not-consumed (4b-3's non-goal, carried).
-- **No child `PositionManager`/interpolation/`RemoteMotion` machinery**; no
- child self-simulation of any kind.
-- **No changes to routes 2/4/5/6**, the local-player paths, the remote
- tail, or the continuation executor beyond the parent-replay path already
- calling the extended commit.
-- **No re-litigation of AP-133** (`ParentCellId`/`EffectCellId` split) —
- the child's render-parent field remains presentation.
-- **Route 3 (portal)** — after this slice.
-
----
-
-## 10. Stale and false scoping claims — reported, not smoothed (§7 of `2026-08-04-c4-routes-6-7-scoping.md`)
-
-**Substantively false or superseded (5):**
-
-1. **T5's open question — "whether retail re-cells a child when its parent
- crosses a cell is NOT established" — is SETTLED (yes, recursively, from
- the physics commit)** by the propagation research, which the scoping
- demanded before demotion. Superseded, exactly as the scoping asked.
-2. **§7.4's fix shape — "move the parent-cell commit into `TryCommitParent`
- / `CommitAcceptedParentCellless`" — is INSUFFICIENT as written.** An
- attach-only commit is correct at attach and stale from the parent's
- first crossing (research §10 item 2). D1+D2 replace it: attach half PLUS
- the sustaining propagation. The scoping's own §7.6 budget row inherited
- the insufficiency.
-3. **§7.6's "retail's `change_cell` + `recalc_cross_cells` half" — porting
- `recalc_cross_cells` per the commit is WRONG**: retail runs the
- recursive form at attach only; per-move it calls only the non-recursive
- forms (research §8, binding trap). No cross-cell/shadow rebuild ships.
-4. **§7.5's lean ("wire `ClassifyLeaveWorld`") is overridden with cause**:
- T3's verification (no pickup/parent gate measures a teleport pair; the
- only retail gate is POSITION_TS, already enforced in
- `InboundPhysicsStateController`) plus retail's separate-wire-handler
- dispatch make deletion the evidence-backed choice (D6).
-5. **§8's "recommended order: route 6 first, then route 7" and the
- campaign-plan correction it demanded are MOOT** — both landed
- (`1b484937`; plan lines `:97-116` corrected).
-
-**Stale line references (every RuntimeEntityObjectLifetime citation, plus
-several others):** `TryApplyPickup :1226-1245` → `:1249-1312`;
-`TryCommitParent :1360-1374` → `:1388-1441`; `CommitAcceptedParentCellless
-:1377-1408` → `:1443-1474`; `CommitWithdrawal :1845-1860` → `:1896-1929`;
-`TryAcceptDelete :1939-1952` → `:1973-2034`; `ForgetInitialCreateResidence
-:2552-2569` → `:2620-2637`; `AcknowledgeProjectionAndPublish :2187-2213` →
-`:2255` on; `ClassifyLeaveWorld :475-505` → `:480-510`;
-`ValidCreateAuthority :507-512` → `:512-516`; TickChild rebucket `:405-408`
-→ `:406-408`; `RebucketLiveEntityPresentationOnly :993-1050` → `:993-1065`;
-App wrappers `:2280-2312` → `:2312-2363` (doc comment `:2288-2292` →
-`:2338-2343`); headless `OnParentUpdated :313-317` → `:312-316`;
-`OnPickup :455-474` → `:460-474`. The scoping's §7.3 verification table
-(cancellation choke points `:1074-1094` etc.) is wholly re-verified at the
-new locations in §1.5. Its structural claims all still hold; only the
-coordinates moved.
-
-**Confirmed still true at HEAD:** `ClassifyLeaveWorld` has zero production
-callers; `RebucketLiveEntity` is not presentation-only (canonical
-`CommitRebucket` at `:904-907`); headless has no realize; the six
-cancellation choke points and their C0 fixes; T8's pinned `LeaveWorld`
-omission; `LiveEntityDeletionController` purely logical; the register's
-AP-124 status.
-
----
-
-## 11. Cross-contract finding — route 7 changes route 4b-3's cell-less trigger population (reported honestly)
-
-Route 4b-3's connected gate recorded an honest gap: `cause=cellless` was
-never observed live, and its closure note says "the unwield-to-3D path is
-the cheapest reachable trigger" (`2026-08-04-c4-route-4b-3-contract.md`,
-final section). **After route 7 that provocation stops working, and that is
-the retail-faithful direction:**
-
-- Retail: `unset_parent` performs no cell work, so a wielded child's
- unwield Position reaches `MoveOrTeleport` with `this->cell` = the
- parent's cell — NON-zero. Retail's cell-less branch does NOT fire for
- unwield; it fires only for genuinely never-celled/withdrawn bodies.
-- acdream today: a parented child's canonical cell is whatever the
- render-tick writer last produced — nonzero in the graphical host while
- TickChild runs, **zero headless and zero in any pre-first-tick window** —
- so `PreMergeCommittedCellId == 0` (the 4b-3 D1 input, measured at
- `TryApplyPosition:1801-1814`) could classify an unwield as cell-less.
-- After D1/D2: a committed child's pre-merge cell is deterministically the
- parent's (nonzero whenever the parent is celled), so the unwield Position
- classifies by TELEPORT_TS/distance — matching retail's predicate
- population exactly.
-
-Consequences to carry: (a) 4b-3's test 4 ("unwield-to-3D shape classifies
-`SetPosition`") remains valid ONLY as a synthetic pre-merge-cell-0 fixture —
-it must not be re-labeled as the live unwield behavior; (b) the recorded
-live-closure recipe for `cause=cellless` needs a different provocation
-(a genuinely withdrawn body receiving a Position without an intervening
-Create — whether ACE ever emits that shape is unestablished); update the
-4b-3 contract's closure note in this slice's docs commit rather than
-leaving a recipe that can no longer fire. No code in the 4b-3 arm changes.
-
----
-
-## 12. Open questions routed to the reviewers
-
-1. **D2's chokepoint placement** (retail-conformance + architecture): the
- directory funnel is argued from §0 item 8's caller closure — verify
- independently that no canonical cell write bypasses
- `RuntimeEntityDirectory.SetFullCell`/`RefreshSnapshot` at HEAD (the
- load-bearing claim; if a bypass exists, D2 has a hole exactly where the
- defect class predicts).
-2. **D3's delete edge**: confirm by reading the App teardown/orphan flow
- (`EquippedChildRenderController`'s `_pendingOrphanRemovalByChild`,
- `LiveEntityRuntimeTeardownController`) that zeroing children's cells at
- parent delete cannot race a child projection teardown already in flight,
- and that the child's later own-DeleteObject converges.
-3. **D4's entry point**: confirm the presentation-only child rebucket
- cannot be reached for a non-child record (the general-bypass hazard) and
- that `BeginPresentationOnlySpatialMutation`'s guard semantics hold for
- the per-frame cadence.
-4. **D5's validation gap**: confirm no existing prepared-content surface
- exposes `Setup.HoldingLocations` before accepting the register row; and
- review what the headless drive deliberately does not drive.
-5. **P8's publication decision**: adversarially hunt a `Rebucketed`
- consumer that needs the per-child deltas the demotion removes (route
- 5's A1 class — the App tolerating the seam's silence must be shown, not
- assumed).
-6. **D7's inertness argument** — verify no observer distinguishes the
- reordered pickup sequence (the claim is argued, with the T7 history, not
- merely asserted; but it is an ordering change on a live path).
-7. **§11's 4b-3 interaction** — confirm the synthetic fixture reading and
- that no OTHER consumer of `PreMergeCommittedCellId` changes population
- when children stop being cell-less.
diff --git a/docs/research/2026-08-04-c4-route-7-retail-review-round2.md b/docs/research/2026-08-04-c4-route-7-retail-review-round2.md
deleted file mode 100644
index 4722a03e..00000000
--- a/docs/research/2026-08-04-c4-route-7-retail-review-round2.md
+++ /dev/null
@@ -1,366 +0,0 @@
-# C4 route 7 — retail-conformance review, ROUND 2 (delta)
-
-**Date:** 2026-08-04
-**Reviewer role:** independent retail-conformance reviewer, review-only.
-**Subject:** the uncommitted working tree at HEAD `19ebf043`, after the round-1
-fix pass. Round 1 is `docs/research/2026-08-04-c4-route-7-retail-review.md`
-(verdict FAIL, R1–R11); the parallel architecture review is
-`docs/research/2026-08-04-c4-route-7-architecture-review.md` (A1–A10).
-**Scope:** delta only. Round 1's §A retail verification (every address in
-`enter_cell` / `leave_cell` / `change_cell` / `SetPositionInternal` /
-`update_object` / `set_parent` / `DoPickupEvent` / `DoParentEvent`) stands
-unchanged and is not re-litigated here.
-
----
-
-## VERDICT: **PASS**
-
-All three round-1 MAJORs are closed, and closed properly rather than
-argued away:
-
-- **R1** — the implementer's pushback is **CORRECT and my premise was wrong in
- the letter**: `RuntimeEntityRecord.HasPartArray` does exist on the canonical
- record. I re-verified the writer enumeration independently and it is complete
- and correct (§1). R1's *conclusion* — that this is a real, unrecorded retail
- divergence needing a register row — was right, and AP-142 clause (d) is an
- honest row that does not mischaracterise retail's intent.
-- **R2 / A1** — the D4 test now queries real `GpuWorldState` landblock
- membership before and after the tick. I verified by construction that it
- cannot pass with the demotion removed (§2).
-- **R3 / A2** — the typed-disposition fork is **sound**, and the implementer's
- choice of the sanctioned alternative over the primary suggestion is the
- better call for a reason the review did not state (§3).
-
-R5, R7, R9, R10, R11 and all three contract corrections landed. Build green
-(0 errors); focused suites 22/22 Runtime + 28/28 App. Per process rule 5 that
-is not the basis of this verdict.
-
-Seven new MINORs (N1–N7) below, none blocking. Two of them (N1, N5) are the
-comment-precision class this campaign keeps hitting, and one (N6) is a new
-untested control-flow branch created by the R3 fix itself.
-
----
-
-## 1. R1 — the pushback, verified on all three questions
-
-### (a) Is the `HasPartArray` writer enumeration complete, and are both writers graphical-only? — **YES, verified.**
-
-Repo-wide grep over `src/` + `tests/` (excluding bin/obj) for `HasPartArray`:
-
-| site | role |
-|---|---|
-| `src/AcDream.App/Rendering/DatLiveEntityProjectionMaterializer.cs:203` | `SetHasPartArray(expectedCanonical, true)` — **App / graphical** |
-| `src/AcDream.App/Rendering/EquippedChildRenderController.cs:609` | `childRecord.HasPartArray = true` — **App / graphical** (the row cites `:591`; see N3) |
-| `src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs:1167` | `SetHasPartArray(canonical, false)` — Runtime, but a *clear*, not a set |
-| `RuntimeEntityDirectory.cs:495-498`, `LiveEntityRuntime.cs:250-253/:534-537` | plumbing (setter/forwarder), no value origin |
-| 6 sites under `tests/` | test-only |
-| `ProjectileController.cs:681/:720`, `RemotePhysicsUpdater.cs:101`, `LiveEntityAnimationScheduler.cs:240`, `EquippedChildRenderController.cs:920` | **readers only** |
-
-**No Runtime, Headless, or otherwise presentation-independent site ever sets
-`HasPartArray = true`, for a child or for an ordinary root.** The implementer's
-claim is exactly right, and the consequence it draws is right too: gating
-D1/D2 on `child.HasPartArray` would permanently strand every headless committed
-child — the functional inverse of this slice's purpose. My round-1 R1 asserted
-"acdream's propagation has no analogue"; the *field* has an analogue, the
-*canonical layer* does not. The correction is accepted.
-
-### (b) Is AP-142 clause (d) an honest description? — **YES, with two precision defects (N1, N2).**
-
-The row states the guard's address (@0x00510ed8), its full effect (the write
-**and** the recursion **and** the subtree skip), that acdream writes
-unconditionally, why gating is not available, and puts the consequence in the
-risk column. It does not claim fidelity it lacks. That is what a divergence row
-is supposed to look like.
-
-### (c) Is retail's guard moot under acdream's structure, or a real behavioural difference? — **A REAL behavioural difference, correctly accepted.**
-
-Retail's guard is not decorative. `enter_cell`'s `CObjCell::add_object`
-@0x00510ee2 maintains the cell's object list, which retail uses for *both*
-drawing and collision/visibility. So a part-array-less object in retail is
-neither drawn nor cell-resident, and acdream — where `FullCellId` is the
-residency predicate at 45+ sites — will mark such a child resident. The row says
-this plainly and puts "acdream celling a child retail would leave nowhere" in
-the risk column. **No mischaracterisation of retail's intent.** This is the
-question I was watching for and the row passes it.
-
-### (b')/R10 — clause (b)'s over-claimed equivalence: **CORRECTED, accurately.**
-
-The row now reads: *"this is a clean equivalence only on the REMOVAL side. The
-skip ALSO prunes the child's whole subtree on a same-value WRITE, which retail's
-`enter_cell` does not do — it recurses over children unconditionally
-(@0x00510f03); only `leave_cell` prunes (@0x00510f5b, on `cell != 0`).
-Currently unreachable-by-construction … but it is an asymmetry, not a proven
-equivalence."* I re-read both addresses: `enter_cell`'s recursion @0x00510f03 is
-inside the `part_array` guard but has no per-child cell test, and
-`leave_cell`'s @0x00510f5b prune is exactly as described. **The correction is
-verbatim-accurate.** R10 closed.
-
----
-
-## 2. R2 / A1 — the D4 presentation test: verified it cannot pass without the demotion
-
-`tests/AcDream.App.Tests/Rendering/EquippedChildProjectionWithdrawalTests.cs:321-402`.
-
-Verified by construction, not by taking the sabotage note on trust:
-
-1. `fixture.Spatial` is a **real `GpuWorldState`** (`:1443`,
- `internal GpuWorldState Spatial { get; } = new()`), and
- `CopyLiveEntitiesNearLandblock` (`src/AcDream.App/Streaming/GpuWorldState.cs:493-520`)
- is a genuine per-landblock query over `_loadedLiveByLandblock`, radius 0, that
- early-returns empty if the world is unavailable.
-2. The **pre-assertions** (`Assert.Contains(old, child)` +
- `Assert.DoesNotContain(new, child)`) do double duty: they establish a
- distinct starting bucket *and* they prove the query is live — a dead or
- always-empty query would fail the `Contains` immediately. This is what makes
- the post-assertion load-bearing rather than vacuous, and it is the exact
- property round 1's version lacked.
-3. `TickChild`'s **only** spatial mutation for the child is the demoted call at
- `EquippedChildRenderController.cs:409-431`. `CommitRebucket` (the Runtime
- producer driven before the tick) writes canonical fields only and touches no
- spatial index. So stubbing `RebucketEquippedChildPresentation` leaves the
- child in `oldLandblock` and `Assert.Contains(newBuffer, child)` fails.
-
-**R2 closed.** The test now asserts the layer that historically broke.
-
----
-
-## 3. R3 / A2 — the typed-disposition fork: sound, and the deviation from the review's primary suggestion is the better call
-
-`LiveEntityRuntime.cs:45-61` (the enum), `:1088-1148` (the method),
-`EquippedChildRenderController.cs:406-431` (the caller).
-
-The implementer took the *sanctioned alternative* (branch explicitly, do not
-fail the tick on `NotAttached`) over the review's primary suggestion (assert /
-propagate as a failure). **That is correct, for a reason worth pinning:**
-
-- `NotAttached` genuinely coincides with an in-flight subtree withdrawal.
- `OnChildBecameUnparented` already owns that teardown and drives
- `BeginProjectionSubtreeWithdrawal`. Returning `false` from `TickChild` would
- route the same child into `WithdrawForPoseLoss` in the same frame — a
- **second concurrent withdrawal trigger on a subtree that already has one in
- flight**. The implementer's stated worry is real, not defensive hand-waving.
-- `NoProjection` is the branch that *should* fail the tick, and it does. Its
- first guard (`TryGetCurrent` / `WorldEntity is not { }`) is unreachable from
- `TickChild` — `TryResolveExactAttachment` (`:379`, and again at `:409`)
- already required `IsCurrentRecord(child.ChildRecord)` and a non-null
- `WorldEntity` — so in practice `NoProjection` only arises from
- `RebucketLiveEntityPresentationOnly` returning `false`, i.e. a projection
- operation displaced mid-flight, where withdrawal is the right response.
-
-So the fork partitions cleanly: benign-decline vs displaced-projection, with the
-new failure path landing only on the genuinely-broken case. **R3 closed** (see
-N6 for the one gap it leaves).
-
-A9 was also folded in: the new method now carries the active-initial-create-
-residence gate (`:1136-1141`), making its "can never become a general bypass"
-doc claim true at the entry point rather than by call-ordering three files away.
-
----
-
-## 4. Round-1 findings — closure status
-
-| # | Status |
-|---|---|
-| R1 | **CLOSED.** Premise corrected by the implementer (verified §1a); AP-142 clause (d) filed and honest (§1b/c). N1/N2/N4 are precision follow-ups on the row's text, not on the decision. |
-| R2 | **CLOSED.** §2. |
-| R3 | **CLOSED.** §3. |
-| R4 | **PARTIAL — confirmed still non-blocking, now more comfortably so.** Writer families (b) `RuntimePhysicsState.CommitCanonicalCell` and (c) `RuntimeSetPositionState` still have no dedicated propagation test, and P2 is still only asserted on one path. Three things reduce the residual risk below the blocking line: the hook is at the *funnel*, not per-caller (so a missed writer is structurally impossible, not merely unobserved); **both** reviewers have now independently traced the complete `SetFullCell` caller set (the architecture review's 13-row table, which I spot-checked against my own round-1 grep and found consistent); and the connected gate's pass criterion is `cause=propagate` probe lines at each landblock crossing, which *is* the physics/placement writer families in live play. P8 and P4 are now stated in-code (`RuntimeEntityDirectory.cs`'s doc `` blocks) with A3's correction folded in. |
-| R5 | **CLOSED.** `RuntimeInitialCreateContinuationExecutor.cs:2184-2190` — `EndChildProjection` now precedes `LeaveWorld` on the dormant replay, matching @0x0045227F-before-@0x00452286. Both pickup paths are one shape, and the fix is real code, not a narrowed comment. |
-| R6 | **CLOSED as documentation.** `RuntimeLiveEntitySessionController.cs:345-368` now states the gap in full — the `TryCommitParent` position-timestamp gate, why nothing re-drives it, why `RetryChildrenWaitingForParent` does not cover it (the relation is staged, not unresolved), that it is not a regression, and that invariant 9 is untouched. That is the right disposition for a pre-existing gap surfaced by a new drive. |
-| R7 | **CLOSED.** AP-143 now names all three skipped checks with the correct retail anchors and an inertness argument for (1) and (2). Verified against the code: self-parent `:915-916`, `HasPartArray` `:920`, `HoldingLocations` `:924-937`. (Line citations are stale — N3.) |
-| R8 | **CLOSED / withdrawn.** My nested-descendant concern was wrong: a grandchild's own `ParentEvent` reaches `ResolveAndCommitChildAttachment` directly, and if it arrives before its parent spawns, `RetryChildrenWaitingForParent(childGuid)` fires on that spawn. No transitive descent is needed for this host. The new `ChildrenUnresolvedForParent` (`ParentAttachmentState.cs:642-663`) scopes the sweep correctly and its doc states the narrower claim honestly ("This is a narrower claim than '0 B'"). |
-| R9 | **CLOSED.** The C3c-R1 F6 summary is back on `FirstEntryDriveServesOneRouteAtATimeAndScopesClearToTheOwner` (`:422-430`); the D5 tests carry their own. |
-| R10 | **CLOSED.** §1(b'). |
-| R11 | **CLOSED in substance, incomplete in its stated proof.** See N7. |
-
-**Contract corrections — all three landed and are accurate:**
-§0 item 1 now carries the `part_array` guard correction with the "the contract
-causes the defect" attribution (`:75-87`); §2's two gate rows are marked
-UNVERIFIABLE with the BN always-false-lowering explanation and the note that
-D7/D6 do not depend on them (`:236-237`); test 10's sabotage instruction now
-requires **two** runs with round 1's failure recorded as the cautionary example
-(`:724-736`).
-
----
-
-## 5. New findings (round 2)
-
-### N1 — MINOR — AP-142 clause (d) overstates the semantic gap between retail's `part_array` and acdream's `HasPartArray`
-
-**File:** `docs/architecture/retail-divergence-register.md:172`.
-**Retail address:** `CPhysicsObj::makeAnimObject` @0x0050e930.
-
-The row says acdream's flag *"means 'the renderer built a mesh,' not retail's
-'this CPhysicsObj has ANY part array.'"* Retail's flag has exactly one
-assignment site:
-
-```
-0050e930 int32_t CPhysicsObj::makeAnimObject(CPhysicsObj* this, IDClass<_tagDataID,32,0> arg2, int32_t arg3)
-0050e93e class CPartArray* eax = CPartArray::CreateSetup(this, arg2, arg3);
-0050e94d this->part_array = eax;
-```
-
-`part_array` **is** the product of building the object's parts from its Setup —
-i.e. retail's flag also means "the client built this object's parts". The two
-are near-synonyms, not a broad/narrow pair. The real reason acdream cannot gate
-on it is a **layering** commitment, not a semantic mismatch: Slice J made the
-canonical Runtime layer presentation-independent by design, so the only place
-the flag can be set is App, and headless has no part-construction step at all.
-
-The row's operative claim and its conclusion survive intact. The framing should
-be corrected so a future reader does not conclude retail's guard was looser than
-it is — that misreading would make the divergence look smaller than it is.
-
-### N2 — MINOR — clause (d)'s risk column scopes the divergence as headless-only; the graphical host has the same window
-
-**File:** `docs/architecture/retail-divergence-register.md:172` (risk column);
-`src/AcDream.App/Rendering/EquippedChildRenderController.cs:609` vs `:876-880`.
-
-The risk column argues (d) is *"a headless-only concern, since the graphical
-`HasPartArray` gate is already implicitly satisfied by the time `TickChild` can
-run — a child's own `WorldEntity`/mesh must exist for `TickChild` to reach the
-rebucket call at all."* That is true of the **rebucket** and false of the
-**canonical write**, which is what clause (d) is about. The graphical realize
-order is:
-
-```
-PrepareAndTryRealize: CommitStagedParent → CommitProjection
- → CommitAcceptedParentCellless ← D1 writes the child's cell HERE
- → WithdrawPriorProjection → TryRealize
- └─ :609 childRecord.HasPartArray = true
-```
-
-So the graphical host also cells a child before its part-array flag is true.
-Retail has no equivalent window: a `CPhysicsObj`'s `part_array` is built at
-object creation (`makeAnimObject`), long before any `set_parent` @0x00515A90 can
-run. The window is bounded (nothing reads the child's cell between those two
-calls in the same synchronous realize) and inert, but the scoping sentence is
-wrong as written and should say "predominantly headless, plus a bounded
-graphical realize-ordering window".
-
-### N3 — MINOR — same-commit stale line citations in both new register rows
-
-- AP-142 cites `EquippedChildRenderController.cs:591` for the `HasPartArray`
- writer; it is at **`:609`**.
-- AP-143 cites `:897-898` (self-parent) and `:902` (`HasPartArray`) in
- `ValidateParentProjection`; they are at **`:915-916`** and **`:920`**.
-
-Both are off by the +18 lines this same commit's D4 edit inserted above them —
-i.e. the citations were written against the pre-fix file and not re-checked
-after. Contract process rule 6 ("trust the symbol") makes them recoverable, and
-the symbols are named, so this is cosmetic. It is listed because "verify every
-comment the fix touched" is a standing rule and these were touched by the fix.
-
-### N4 — MINOR — clause (e)'s depth-cap residue is the shape clause (a) declares unacceptable, and is strictly worse on the withdraw path
-
-**File:** `docs/architecture/retail-divergence-register.md:172` (clause e);
-`src/AcDream.Runtime/Entities/RuntimeEntityDirectory.cs:349-357/:389-397`;
-`tests/AcDream.Runtime.Tests/Entities/RuntimeEntityChildCellPropagationTests.cs:430-486`.
-
-Clause (a) says acdream deliberately refuses to reproduce retail's
-stale-nonzero-cell-under-a-dead-object residue, *because* a stale nonzero
-`FullCellId` reads as "resident" to every acdream predicate. Clause (e)'s cap
-re-introduces precisely that residue past 64 levels — the shipped test asserts
-it directly (`Assert.Equal(originalCell, tail.FullCellId)`).
-
-On a **crossing** that is a stale-but-plausible cell (cosmetic). On a
-**withdraw** (`SetFullCell(x, 0, 0)`) the tail keeps a nonzero cell forever,
-which is the #184 invisible-but-solid shape verbatim. Clause (e) discloses
-"left at its PRIOR cell rather than partially propagated", so nothing is hidden
-— but the (a)/(e) interaction is not noted, and the withdraw case is the one
-worth a sentence. The architecture review's suggested iterative worklist would
-retire both.
-
-### N5 — MINOR — the `NotAttached` test's third assertion cannot distinguish decline from a same-destination move
-
-**File:** `tests/AcDream.App.Tests/Rendering/EquippedChildProjectionWithdrawalTests.cs:404-447`.
-
-The comment says *"the draw bucket did NOT move, because the guard correctly
-declined (NotAttached) and `RebucketLiveEntityPresentationOnly` was never
-called"*, and the assertion is
-`Assert.Contains(CopyLiveEntitiesNearLandblock(oldLandblock), child)`. In that
-fixture the parent's `ParentCellId` is never changed, so a rebucket that *did*
-run would target the child's current bucket and the assertion would pass
-identically. It cannot fail either way.
-
-The test's load-bearing assertions — the tick still counted a pose-composition
-visit and the child is still in `AttachedEntityIds` (i.e. it was **not** treated
-as pose loss) — are sound and do pin the fork's benign branch. Only the third
-comment overclaims what its assertion demonstrates. Same class as round 1's R2,
-one severity lower. Moving the parent to a new cell first would make it real.
-
-### N6 — MINOR — the `NoProjection` branch is a new withdrawal trigger with no test
-
-**File:** `src/AcDream.App/Rendering/EquippedChildRenderController.cs:418-424`.
-
-`TickChild` now returns `false` on `NoProjection`, which routes the child into
-`WithdrawForPoseLoss` via `Tick()`'s `failed` list — a control-flow edge that
-did not exist before this slice (the old `RebucketLiveEntity` call's result was
-never consulted). Round 2 added a test for `Moved` and one for `NotAttached`;
-`NoProjection` has none. It is the branch with real consequences, and it is
-reachable only via `RebucketLiveEntityPresentationOnly` returning `false`
-(a displaced projection operation) — exactly the kind of narrow path that
-regresses silently.
-
-### N7 — MINOR — R11's "proven, not merely assumed" enumerates two of three `PhysicsBody` constructors
-
-**File:** `src/AcDream.App/World/LiveEntityRuntime.cs:1113-1124` (the R11
-``).
-
-The doc argues: a committed child's `Snapshot.Position` is always null, and *"the
-ONLY production `PhysicsBody` constructors reachable from a live projection
-(`DatLiveEntityProjectionMaterializer`'s static scheduler, `ProjectileController`)
-both require a non-null `spawn.Position`"*. Repo-wide grep for
-`GetOrCreatePhysicsBody` returns a **third** production constructor:
-`src/AcDream.Runtime/Entities/RuntimeRemoteFirstEntryState.cs:425`, which builds
-from `lease.InitialCreate.Physics` — and a committed child *can* hold an
-initial-create lease (that is the whole dormant-residence machinery).
-
-This matters slightly more than a bookkeeping nit because
-`RuntimeEntityRecord.SuspendObjectClock` (`RuntimeEntityRecord.cs:94-98`) does
-**not** synchronise a body's `TransientStateFlags.Active` bit — it only
-deactivates the clock — so if a committed child ever did hold a body, the
-dropped `SynchronizePhysicsBodyActiveState` would be a real loss rather than a
-no-op. The conclusion is still very likely correct (first-entry admission
-should require a placement position, which a parented child never has), but
-**I did not resolve that third path and am flagging it rather than guessing.**
-One sentence covering `RuntimeRemoteFirstEntryState` would convert this back to
-a genuine proof. This is the same defect shape as the architecture review's A3
-(an enumeration argued against an incomplete set).
-
----
-
-## 6. Verification performed
-
-- Re-read `CPhysicsObj::makeAnimObject` @0x0050e930 in
- `docs/research/named-retail/acclient_2013_pseudo_c.txt` (N1's basis) and
- re-confirmed `enter_cell` @0x00510f03 / `leave_cell` @0x00510f5b for R10's
- correction.
-- Independent repo-wide grep of `HasPartArray` (§1a) and
- `GetOrCreatePhysicsBody` (N7).
-- Read `GpuWorldState.CopyLiveEntitiesNearLandblock` and the
- `ControllerFixture` to confirm the D4 test queries a real spatial index (§2).
-- Traced `TickChild` → `RebucketEquippedChildPresentation` →
- `RebucketLiveEntityPresentationOnly` for the disposition fork's reachability
- (§3).
-- `dotnet build AcDream.slnx -c Debug` → 0 errors.
-- `AcDream.Runtime.Tests` filtered to `ChildCellPropagation` +
- `RuntimeLiveEntitySessionControllerTests` → **22 passed / 0 failed**.
-- `AcDream.App.Tests` filtered to `EquippedChildProjectionWithdrawalTests` →
- **28 passed / 0 failed**.
-- Contract §0 item 1, §2 rows, and §6 test 10 re-read against the code they
- describe.
-
-## 7. Recommended before commit (none blocking)
-
-1. N1 + N2: two sentences in AP-142 clause (d) — correct the `part_array`
- semantics with the @0x0050e930 anchor, and re-scope the risk column to
- include the bounded graphical realize-ordering window.
-2. N3: fix the four line citations (`:591`→`:609`, `:897-898`→`:915-916`,
- `:902`→`:920`).
-3. N7: one sentence covering `RuntimeRemoteFirstEntryState.cs:425`, or drop the
- word "proven".
-4. N4: one clause noting that (e)'s residue on the *withdraw* path is (a)'s
- rejected shape.
-5. N5: move the parent's cell in the `NotAttached` test, or soften its comment.
-6. N6: a `NoProjection` test, whenever the withdrawal path is next touched.
diff --git a/docs/research/2026-08-04-c4-route-7-retail-review.md b/docs/research/2026-08-04-c4-route-7-retail-review.md
deleted file mode 100644
index 79127c84..00000000
--- a/docs/research/2026-08-04-c4-route-7-retail-review.md
+++ /dev/null
@@ -1,504 +0,0 @@
-# C4 route 7 — retail-conformance review (independent)
-
-**Date:** 2026-08-04
-**Reviewer role:** independent retail-conformance reviewer, review-only (no edits,
-no commits, no fixes).
-**Subject:** the uncommitted working-tree diff at branch
-`claude/acdream-physics-divergence-5aa784`, HEAD `ca96ea5e`
-(`git diff HEAD` + the two untracked files
-`docs/research/2026-08-04-c4-route-7-contract.md` and
-`tests/AcDream.Runtime.Tests/Entities/RuntimeEntityChildCellPropagationTests.cs`).
-The route-7 contract and the route-3 scoping docs are inputs, not subject.
-
----
-
-## VERDICT: **FAIL**
-
-Narrow fail. The retail mechanism this slice ports is **correct** — I re-read
-every cited address in `docs/research/named-retail/acclient_2013_pseudo_c.txt`
-and the propagation research is accurate on all of them (see §A). The directory
-chokepoint is genuinely the sole funnel (§B). `ConstrainTo` is never armed (§C).
-`TryCommitParent` still holds exactly zero `LeaveWorld` calls (§D). D7 adopts
-retail's real order and is genuinely inert (§E).
-
-The fail is on three counts, all small to fix:
-
-1. **R1 (MAJOR)** — retail's `enter_cell` gates the ENTIRE cell write *and the
- recursion* on `this->part_array != 0` @0x00510ed8. The shipped propagation
- has no analogue and **no register row**. The propagation research itself
- flagged this guard as "Guard, load-bearing" (§3); the contract's §0 item 1
- enumerated `enter_cell`'s five writes and silently dropped the guard, and the
- code inherited the omission. Register rule 1: a deviation found without a row
- is a bug twice over.
-2. **R2 (MAJOR)** — D4's presentation half is **untested**. The one App-layer
- assertion is satisfied by a line that runs before, and independently of, the
- demoted call. `RebucketEquippedChildPresentation` has zero references in
- `tests/` repo-wide. This is exactly the layer contract §6 test 10 named
- ("the child's render entity moved buckets (spatial index / visibility
- state)") and exactly the #184 / route-4a-R1 regression D4's own text calls its
- specific risk.
-3. **R3 (MAJOR)** — `TickChild` discards the demoted call's `bool`, and the new
- `HasCommittedParent` guard introduces a silent-false path the old
- `RebucketLiveEntity` did not have. Contract D4 said "**assert** the record has
- a committed parent relation"; the code returns `false` and the caller ignores
- it. Route 5's A1 defect class, verbatim.
-
-Everything else is MINOR. Build is green (`dotnet build AcDream.slnx -c Debug`:
-0 errors) and the focused Runtime suites pass (21/21, including all 12 new
-propagation tests and the 2 new headless D5 tests). Per process rule 5 that is
-not evidence, and it is not what this verdict rests on.
-
----
-
-## A. Retail ground truth — verified first-hand, not inherited
-
-Every claim below was re-read from
-`docs/research/named-retail/acclient_2013_pseudo_c.txt` at the stated address.
-
-| Claim under review | Verdict |
-|---|---|
-| `change_cell` @0x00513390 delegates: `leave_cell` @0x0051339f, `enter_cell` @0x005133af, early return @0x005133b5; removal tail @0x005133c1 zeroes only **this**'s `objcell_id`, `cell = nullptr` @0x005133d8. **No child loop of its own.** | ✓ CONFIRMED verbatim |
-| `enter_cell` @0x00510ed0 self-recurses over `children->objects.data[i]` @0x00510f03; per level writes `CObjCell::add_object` @0x00510ee2, `objcell_id` @0x00510f1e, part-array cell id @0x00510f2b, `cell` pointer @0x00510f35, lights @0x00510f3e. Unbounded depth. | ✓ CONFIRMED verbatim |
-| `leave_cell` @0x00510f50 mirrors it: self-recursion @0x00510f84, `remove_object` @0x00510f5e, `cell = nullptr` @0x00510fa7, and **never** writes `objcell_id` (source of the stale-id asymmetry). Per-level guard `this->cell != 0` @0x00510f5b prunes an already-cell-less subtree. | ✓ CONFIRMED verbatim |
-| **The depth-1 loop @0x0051539c-@0x005153d8 is the SAME-CELL fast path.** It sits inside `if (this->cell == curr_cell)` @0x0051536d; the `else` @0x00515372 is `change_cell`. The loop writes child `+0x4c` (`m_position.objcell_id`) @0x005153bd and child `+0x10`'s part-array cell id @0x005153cc — **id only, never `+0x90` (`cell`)**, and **not** recursive. | ✓ CONFIRMED — this is the design's load-bearing claim and it holds |
-| `update_object` @0x00515d10 early-returns on `parent != 0` @0x00515d40 (`this_3->parent != 0 \|\| this_3->cell == 0 \|\| state & 0x1000000`), clearing `transient_state & ~0x80` and returning. A child never runs its own tick. | ✓ CONFIRMED verbatim |
-| `DoPickupEvent` @0x00452240 = timestamp gate, stamp write @0x00452278, `unset_parent` @0x0045227f, `leave_world` @0x00452286. **No placement, no `ConstrainTo`, no `HandleReceivedPosition`.** | ✓ CONFIRMED — the `unset_parent`-before-`leave_world` ORDER is unambiguous |
-| `DoParentEvent` @0x00452290 = gate, `SetParentedState(1)` for a non-player parent gaining its first child @0x004522f4, `set_parent` @0x00452305, `SetPlacementFrame` @0x00452313. No placement, no `ConstrainTo`. | ✓ CONFIRMED verbatim |
-| `set_parent` @0x00515a90 has **exactly ONE** `leave_world` @0x00515ac1, after `unset_parent` @0x00515aba; then `parent =` @0x00515ac6, `if (edi->cell != 0)` @0x00515ad1, `change_cell` @0x00515ad6, `UpdateChild` @0x00515b0e, `recalc_cross_cells` @0x00515b15, NoDraw inheritance @0x00515b26. | ✓ CONFIRMED — one, and only one, `leave_world` |
-| Per-move path calls the **non-recursive** `calc_cross_cells` @0x0051551b / shadow rebuild @0x0051553e-4c; the recursive `recalc_cross_cells` @0x00515a30 runs at attach only. | ✓ CONFIRMED |
-
-**Research-document defects found (2, both minor, neither changes the verdict):**
-
-- **The "read verbatim" blocks are normalized, not verbatim.** e.g. research §2
- prints `if ((state & 0x1000) == 0)` where the file reads
- `if ((*(uint8_t*)((char*)((int16_t)this->state))[1] & 0x10) == 0)`. Same bit,
- but the doc's own §7 ledger calls these "read directly from the pseudo-C
- (verbatim, cited)". Paraphrase presented as transcript. Harmless here; a
- hazard if a future reader diffs against the file.
-- **The `DoPickupEvent` / `DoParentEvent` gates are NOT readable from this
- source.** Binary Ninja lowered both to `if (-((eax_4 - eax_4)) != 0)` — a
- literal always-false expression — because the x87/flag-based wrapped-sequence
- comparison was lost. The contract's §2 row cites "gate
- @0x0045224B-0x00452274" as if it were legible; only its *shape* (a
- wrap-aware sequence compare against `update_times[0]`) is. **Flagged as
- unverifiable rather than guessed.** It does not affect D7 (the ORDER is
- legible) or D6 (whose argument is that acdream already enforces the
- POSITION_TS gate in `InboundPhysicsStateController`, which I verified at
- `InboundPhysicsStateController.cs:180-186/:263-271/:308-314`).
-
----
-
-## B. D2's chokepoint claim — independently verified
-
-Contract §12 open question 1 asks whether any canonical cell write bypasses the
-funnel. Repo-wide grep for `SetFullCell` / `RefreshDerivedState` /
-`CanonicalLandblockId =` over `src/**` (excluding bin/obj) returns:
-
-- `RuntimeEntityRecord.SetFullCell` (`RuntimeEntityRecord.cs:244-251`) — two
- callers only: `RuntimeEntityDirectory.SetFullCell` (`:348-356`, now hooked)
- and `RuntimeEntityRecord.RefreshDerivedState` (`:230-242`).
-- `RefreshDerivedState` — reached from the record constructor (`:29`, no
- children possible) and `RuntimeEntityDirectory.RefreshSnapshot` (`:234-247`,
- now hooked with an explicit `previousCell` compare).
-- `LiveEntityRecord.FullCellId` / `.CanonicalLandblockId` setters
- (`LiveEntityRuntime.cs:189-204`) route to `_directory.SetFullCell`;
- `LiveEntityRecord.RefreshDerivedState` (`:353-354`) routes to
- `_directory.RefreshSnapshot`. **No App-side bypass.**
-- All eight producers (`CommitRebucket`, `RuntimePhysicsState.CommitCanonicalCell`,
- `RuntimeSetPositionState`'s four writes, the withdrawal family, the executor's
- `:2188`) call `Entities.SetFullCell`.
-
-**Conclusion: the chokepoint holds. No hole.** I also confirmed
-`canonicalLandblockId` is uniformly `(cell & 0xFFFF0000) | 0xFFFF` at every
-producer, so D2's skip-on-equal-`FullCellId` cannot leave a stale landblock id.
-
-Cycle termination and re-entrancy were checked by construction: the propagation
-writes fields and bumps a version only, never mutates the relation tables it is
-iterating, and `ChildrenAttachedToParent` returns the stored `List` or
-`Array.Empty` (0 B).
-
----
-
-## C. Route 7 arms nothing — verified
-
-`ConstrainTo` / `ConstrainPhase` / `PositionManager` / park / service-window /
-`CanAttemptDestination` appear **nowhere** in the diff's production hunks. The
-D8 inversion is respected. `RuntimeEntityChildCellPropagationTests
-.NeverArmPartition_D8_...` asserts the SetPosition operation ledger is unchanged
-across attach + five crossings + pickup + delete, and the committed-relation
-count converges to zero. ✓
-
-## D. T8 — `TryCommitParent` `LeaveWorld` omission preserved
-
-`RuntimeEntityObjectLifetime.TryCommitParent` (`:1400-1453`) still has zero
-`Physics.CollisionReports.LeaveWorld` calls; the F4 comment (`:1430-1437`) is
-intact and its retail citation (@0x00515A90's single `leave_world`) is correct
-per §A. No second `LeaveWorld` was added anywhere in the parent commit family. ✓
-
-## E. D7's inertness — verified, and the implementer's honest report is CORRECT
-
-The implementer reported that reverting D7's ordering leaves all 12 propagation
-tests green, and reported it rather than manufacturing a test. **That is true,
-and "unobservable" is genuinely true against today's code**, for a reason worth
-writing down:
-
-- `EndChildProjection(guid)` → `RemoveCommittedChild(guid)` removes the entity
- as a **child** (`_lastAcceptedByChild` + its parent's committed list). It does
- **not** touch `_committedChildrenByParent[(guid, incarnation)]` — the entity's
- own children. `RemoveCommittedParentReferences` would, and is not called.
-- The only work between the two positions is
- `CollisionReports.LeaveWorld` → `SetPosition.Forget` → `SuspendObjectClock` →
- `SetFullCell(0,0)`. I checked every `ChildrenAttachedToParent` consumer
- (`RuntimeSetPositionState.cs:6015-6063`, `ArmLostFamilyDeadlines` /
- `CancelLostFamilyDeadlines`): both enumerate `operation.Record`'s **own**
- children, i.e. the picked-up entity's subtree, which `EndChildProjection` does
- not alter. Nothing else reads the child-relation table in that window.
-- Even in a hostile A→B/B→A cycle both orders converge to the same values.
-
-So: **no observable difference exists that anyone failed to construct.** The
-correctness is contingent on "no consumer reads the child-relation table between
-those two points" — a property of today's code, not a semantic equivalence — so
-adopting retail's real order is right on principle and the change should stand.
-See R5 for the half that was missed.
-
----
-
-## Findings
-
-### R1 — MAJOR — retail's `part_array != 0` guard is dropped, with no register row
-
-**File:** `src/AcDream.Runtime/Entities/RuntimeEntityDirectory.cs:381-403`
-(`PropagateFullCellToChildren`) and
-`src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs:1517-1535` (D1).
-**Retail address contradicted:** `CPhysicsObj::enter_cell` @0x00510ed8.
-
-Retail:
-
-```
-00510ed0 void __thiscall CPhysicsObj::enter_cell(CPhysicsObj* this, CObjCell* arg2)
-00510ed8 if (this->part_array != 0) <-- the ENTIRE body, including the
-00510ee2 CObjCell::add_object(...) child recursion, is inside this
-00510f03 enter_cell(child, arg2) guard
-00510f1e objcell_id = ...
-00510f35 this->cell = arg2
-```
-
-A child with a null `part_array` receives **nothing** — no `add_object`, no
-`objcell_id`, no `cell` pointer — and **its whole subtree is skipped**, because
-the recursion is inside the guard. The propagation research called this out
-explicitly and named it load-bearing (§3, "Guard, load-bearing"). The route-7
-contract's §0 item 1 lists the five writes and omits the guard entirely, and the
-shipped propagation writes the child's cell unconditionally.
-
-**Why it matters in acdream specifically:** `FullCellId` is the residency/liveness
-predicate at 45+ sites (the contract's own §0 item 6). Writing a nonzero cell for
-an object retail would leave nowhere makes it "resident" to every one of those
-predicates — the #184 shape, arrived at from the other direction. The graphical
-host's `ValidateParentProjection` checks `parent.HasPartArray`
-(`EquippedChildRenderController.cs:902`) — the **parent**'s, not the child's —
-so it is not the analogue.
-
-**Correct behaviour:** either port the per-level guard (acdream has a
-`HasPartArray` notion on the graphical record, but not on the canonical one, so
-this may be a deliberate impossibility headless), **or** file a register row
-stating that acdream's canonical record has no part-array concept, that the
-guard is therefore not reproducible at the canonical layer, and what the
-consequence is. Register rule 1 requires the row in the same commit. Right now
-neither exists, and AP-142 — which is otherwise a careful, honest row — reads as
-if the port were complete.
-
-### R2 — MAJOR — D4's presentation half has zero effective coverage
-
-**File:** `tests/AcDream.App.Tests/Rendering/EquippedChildProjectionWithdrawalTests.cs:334-374`
-(assertions at `:368-373`), against
-`src/AcDream.App/Rendering/EquippedChildRenderController.cs:403` vs `:409-415`.
-
-The test's only presentation assertion is:
-
-```csharp
-Assert.Equal(newCell, child.WorldEntity!.ParentCellId!.Value);
-```
-
-`TickChild` sets that field at **line 403**:
-
-```csharp
-child.Entity.ParentCellId = parent.ParentCellId; // :403 — unconditional
-...
-if (TryResolveExactAttachment(child, out parent)
- && parent.ParentCellId is { } parentCellId) // :409
-{
- _liveEntities.RebucketEquippedChildPresentation(...); // :412 — the demoted call
-}
-```
-
-The assertion is therefore satisfied whether or not
-`RebucketEquippedChildPresentation` runs, returns `false`, or is deleted. Grep
-confirms `RebucketEquippedChildPresentation` has **zero** references under
-`tests/`. The spatial bucket (`_spatial.RebucketLiveEntity`), the visibility
-resolution (`IsLiveEntityProjectionResident`), and
-`PublishProjectionVisibilityChanged` — the things
-`RebucketLiveEntityPresentationOnly` actually does — are unasserted.
-
-Contract §6 test 10 required exactly this and required a sabotage check. The
-test's own doc comment claims sabotage verification, but the sabotage described
-("reverting TickChild to call the public `RebucketLiveEntity` again makes the
-final assertion fail, because that call always bumps `SpatialAuthorityVersion`")
-only exercises the **canonical** half. The presentation half — "left behind at a
-landblock boundary", D4's named specific risk, and #184's layer — is unguarded.
-
-**Correct behaviour:** assert the spatial index / visibility state moved (the
-route-4a R1 lesson), and sabotage-verify by no-op'ing
-`RebucketEquippedChildPresentation`.
-
-### R3 — MAJOR — the demoted call's status is discarded, and its new guard can fail silently
-
-**File:** `src/AcDream.App/Rendering/EquippedChildRenderController.cs:412-415`;
-`src/AcDream.App/World/LiveEntityRuntime.cs:1085-1101`.
-
-```csharp
-internal bool RebucketEquippedChildPresentation(uint serverGuid, uint parentCellId)
-{
- if (!_directory.ParentAttachments.HasCommittedParent(serverGuid))
- return false; // NEW failure mode
- if (!_projections.TryGetCurrent(serverGuid, out LiveEntityRecord? record)
- || record.WorldEntity is not { } entity)
- return false; // NEW failure mode
- ...
-}
-```
-
-`TickChild` ignores the return and still returns `true` (`:417`). The old
-`RebucketLiveEntity` had no committed-relation precondition, so both of these are
-paths that previously could not exist. `EndChildProjection` /
-`RemoveCommittedChild` run at several points while a projection is still
-installed (`EquippedChildRenderController.cs:270`, `:1175`, `:1274`, `:1316`;
-`RuntimeInitialCreateContinuationExecutor.cs:1998`, `:2189`), so a tick landing in
-that window now silently stops moving the draw bucket, and the pose loop reports
-success.
-
-Contract D4 pinned "the entry point is child-scoped (**assert** the record has a
-committed parent relation…)". A silent `false` swallowed by the caller is the
-route-5 A1 class the contract's own predecessor list names: *"an App glue site
-discarding the Runtime seam's status and advancing presentation on write-nothing
-outcomes."*
-
-**Correct behaviour:** either throw/assert on the guard (it is an invariant, not a
-condition), or propagate the `false` into `TickChild`'s result so the existing
-`WithdrawForPoseLoss` path handles it. Note this finding is only *observable*
-today because of R2 — with a real bucket assertion, a fix for R3 would be
-test-covered.
-
-### R4 — MINOR — contract §6 test 2 shipped 2 of 4 writer families; P2/P4/P5/P6/P8 are unstated
-
-**File:** `tests/AcDream.Runtime.Tests/Entities/RuntimeEntityChildCellPropagationTests.cs`.
-
-Shipped: (a) `CommitRebucket` and (d) the wire merge (`RefreshSnapshot`).
-**Missing:** (b) `RuntimePhysicsState.CommitCanonicalCell` (the simulation commit
-— the writer that actually fires per tick in live play) and (c) a
-`RuntimeSetPositionState` canonical placement commit. I verified by reading that
-both reach `Entities.SetFullCell` (`RuntimePhysicsState.cs:2148`,
-`RuntimeSetPositionState.cs:2743/:3660/:5003/:5224`), so the hook does fire — the
-gap is regression coverage, not present-tense correctness. P5 (per-writer-family
-re-entrancy) has no test at all; P6 (0 B/crossing) has none; P2 asserts only
-`ObjectClock.IsActive` on one path, not "no workset / not a spatial root / body
-inactive after N crossings and a teleport"; P4 (the child broadphase story) and
-P8 (the `Rebucketed` consumer enumeration) are stated nowhere in the tree.
-
-For P8 I did the enumeration myself: `RuntimeEntityChange.Rebucketed` has **no**
-production consumer that branches on it (only `GameRuntimeEvents.cs:43`'s enum
-member and two test assertions). D2's silent-publication default is safe. That
-should be written into the commit, per §5, rather than left for a reviewer.
-
-### R5 — MINOR — D7 is half-applied; the executor's replayed pickup keeps the inverted order
-
-**File:** `src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs:2183-2189`.
-
-```csharp
-_entities.AdvancePositionAuthority(canonical);
-_physics.CollisionReports.LeaveWorld(canonical); // leave_world
-... SetPosition.Forget / SuspendObjectClock / SetFullCell(0,0)
-_entities.ParentAttachments.EndChildProjection(canonical.ServerGuid); // unset_parent LAST
-```
-
-This is the dormant-residence replay of the **same** wire event
-(`SmartBox::DoPickupEvent` @0x00452240), whose retail order is `unset_parent`
-@0x0045227f **before** `leave_world` @0x00452286. D7 corrected
-`RuntimeEntityObjectLifetime.TryApplyPickup` and left this one. Inert for the
-same reason (§E), but the new comment at
-`RuntimeEntityObjectLifetime.cs:1304-1306` — "This was inverted;
-EndChildProjection now runs first" — now reads as a codebase-wide statement that
-is only half true. (The `TryApplyPosition` unparent edge at `:1908` **is**
-correctly scoped out as route 4's surface in contract §9; this one is not.)
-
-### R6 — MINOR — D5's deferred-residence flavor is neither driven nor declared a non-goal
-
-**File:** `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs:339-379`.
-
-`ResolveAndCommitChildAttachment` runs `Resolve` → `TryCommitParent` →
-`CommitProjection` → `CommitAcceptedParentCellless` synchronously. When the
-child has a pending initial residence, `Resolve`'s accept callback lands in
-`RuntimeEntityObjectLifetime.TryApplyParent`'s dormant branch
-(`:1354-1391`), which advances the gate via `TryAcceptDeferredParent` and
-`EnqueueDormant`s a `Parent` continuation, returning `true` — so the relation is
-**staged**, and the immediately following `TryCommitParent` is gated on
-`gate.PositionTimestamp == positionSequence && child.PositionSequence ==
-positionSequence` (`InboundPhysicsStateController.cs:308-314`), which the
-deferred merge has not yet satisfied. The drive returns `false`.
-
-Nothing re-drives it: the executor's `CommitParentAttachment` deliberately does
-**not** commit the attach ("it is the App-layer `EquippedChildRenderController`'s
-job" — `RuntimeInitialCreateContinuationExecutor.cs:2110-2123`), and headless has
-no such controller and no post-drain retry hook. So headless, a ParentEvent
-arriving during a pending initial residence leaves the child staged and
-cell-less indefinitely.
-
-Not a regression (headless committed nothing before), and the invariant-9
-deferrals are correctly untouched. But the plan doc's new closure text and D5's
-doc comment both read as if the headless gap is closed. Contract D5 required
-"state what is deliberately not driven"; this case is not stated. **Flagging the
-`TryCommitParent` rejection as inferred-from-reading, not executed** — no test
-covers it.
-
-### R7 — MINOR — AP-143 under-describes what the headless drive skips
-
-**File:** `docs/architecture/retail-divergence-register.md:173`;
-`src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs:339-379`.
-
-AP-143 records only the `Setup.HoldingLocations` check. The graphical
-`ValidateParentProjection` (`EquippedChildRenderController.cs:894-919`) also
-rejects **self-parenting** (`:897-898`) and requires the parent to have a
-**part array** (`:902` — retail's @0x00510ed8 guard, and the closest thing
-acdream has to it). The headless drive performs neither. Self-parenting turns
-out to be inert by construction (the D1 gate sees `parent.FullCellId == 0`
-because the child was just zeroed, and D2's skip-on-equal terminates the
-one-node cycle), but the row should say what it skips, not one of three things.
-Contract §6 gave zero coverage of the headless rejection paths.
-
-### R8 — MINOR — the headless drive is not the "same protocol" for nested/recovery cases
-
-**File:** `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs:381-393`.
-
-- The graphical retry is `_relationRecoveryOrder.RealizeDescendants(parentGuid,
- Relations.ChildrenWaitingForParent, ResolveAndTryRealize)`
- (`EquippedChildRenderController.cs:925-931`) — a **transitive, parent-first**
- descent. `RetryChildrenWaitingForParent` iterates the direct waiters on one
- guid only, so after committing a child, grandchildren waiting on **that** child
- are not retried in the same pass. The doc comment claims it "mirrors
- `RetryWaitingDescendants`'s role"; it mirrors a subset.
-- The drive never calls `MarkProjected`, so `_recoveryByChild` retains every
- committed relation headless, and it never handles the recovery branch the
- graphical `ResolveAndTryRealize` handles (`:835-844`). Benign today (recovery
- is a re-projection concept that does not exist headless, and the entries are
- cleared by `EndChildProjection`/`EndGeneration`/`Clear`), but undeclared.
-
-Given AP-142 explicitly ships unbounded-depth recursion as a design commitment,
-a depth-limited headless realize is worth a sentence somewhere.
-
-### R9 — MINOR — a doc comment now describes the wrong test method
-
-**File:** `tests/AcDream.Runtime.Tests/Session/RuntimeLiveEntitySessionControllerTests.cs:316-331`
-and `:426-431`.
-
-The pre-existing `` for
-`FirstEntryDriveServesOneRouteAtATimeAndScopesClearToTheOwner` (the C3c-R1 F6
-latch) was left in place and the two new tests were inserted **after** it, so:
-
-- `DirectSink_D5_StandaloneParentEventCommitsChildToParentsExactCell` now carries
- **two** `` elements, the first of which describes drive-controller
- route latching.
-- `FirstEntryDriveServesOneRouteAtATimeAndScopesClearToTheOwner` now carries the
- D5 *deferred-parent* summary.
-
-Exactly the endemic stale-comment class this campaign keeps hitting, in the
-commit that was supposed to be checking for it.
-
-### R10 — MINOR — AP-142 clause (b) overstates the equivalence
-
-**File:** `docs/architecture/retail-divergence-register.md:172`;
-`src/AcDream.Runtime/Entities/RuntimeEntityDirectory.cs:391-395`.
-
-The skip guard (`child.FullCellId == fullCellId → continue`) does two things:
-it subsumes retail's same-cell id refresh (accurate, as the row says) **and** it
-prunes the child's entire subtree. Retail's `enter_cell` has no such pruning —
-it recurses unconditionally (@0x00510f03) and only `leave_cell` prunes
-(@0x00510f5b, on `cell != 0`). So acdream matches retail exactly on the removal
-side and diverges on the entry side. Currently unreachable-by-construction (after
-D4 nothing writes a grandchild's cell independently of its parent), but the row
-claims a clean equivalence it does not have, and this is precisely the class of
-"row asserting behaviour the code lacks" in the other direction.
-
-### R11 — MINOR — the demotion drops `SynchronizePhysicsBodyActiveState` on a child's first projection
-
-**File:** `src/AcDream.App/World/LiveEntityRuntime.cs:923-927` (legacy branch,
-no longer reached for children) vs `:995-1067` (presentation-only branch).
-
-The legacy `RebucketLiveEntity` ran
-`record.SuspendObjectClock(); SynchronizePhysicsBodyActiveState(record);` when
-`!wasProjected && !isOrdinaryRoot` — true on a child's first tick after realize.
-`RebucketLiveEntityPresentationOnly` does neither. The canonical clock is
-suspended by Runtime (`CommitAcceptedParentCellless`'s
-`Entities.SuspendObjectClock`), and `SynchronizePhysicsBodyActiveState` no-ops
-when `record.PhysicsBody is null` (the equipped-item case), so this is very
-likely inert — but P2's "body (if any) inactive" is the obligation that would
-have proven it, and it is unproven. **Flagged as unverified rather than
-asserted.**
-
----
-
-## Register discipline — assessed row by row
-
-| Row | Assessment |
-|---|---|
-| **AP-142** (parented-child single-field cell model) | Clauses (a) and (c) describe shipped behaviour accurately (verified: `PropagateFullCellToChildren` + `WithdrawCommittedChildrenToCellless` + the D1 half). Clause (b) overstates — see R10. **Missing the `part_array` guard clause — see R1.** Anchors all correct. |
-| **AP-143** (headless holding-location skip) | Accurately describes the skip and the reason. Under-describes the scope — see R7. The claim "repo-wide grep confirms nothing under `src/AcDream.Content`/`AcDream.Bake` carries `HoldingLocations`" is consistent with what I saw; the row correctly refuses to extend the bake format. |
-| **AP-136** writer-list shrink | ✓ Correct: line 289 now reads "…demoted the third, `EquippedChildRenderController.TickChild`, to a presentation-only bucket move that no longer touches `record.FullCellId`". Matches the code. |
-| **AP-138** writer-list shrink | ✓ Correct, same shape. |
-| `RuntimeSetPositionState.cs:4536-4548` doc comment | ✓ Corrected; singular "writer" now, projection materializer only. Matches the code. |
-| `RuntimeRemotePlacementDriveController.cs:1613-1626` doc comment | ✓ Corrected. Matches the code. |
-| 4b-3 contract closure note | ✓ Honest and correct. It states plainly that the old `cause=cellless` recipe no longer fires, explains why that is the retail-faithful direction, marks test 4 as a synthetic fixture that must not be relabelled, and says the replacement provocation is UNESTABLISHED rather than inventing one. This is the best-written doc change in the diff. |
-| Placement-cutover plan gap statement | ✓ Correctly moved to past tense and closed, with the one caveat that "the direct headless regression test … now passes" is true for the non-deferred flavor only (R6). |
-| No row deletions | ✓ AP-124/131/132/133/135 untouched. |
-
----
-
-## Contract defects found
-
-1. **§0 item 1 dropped `enter_cell`'s `part_array != 0` guard** (@0x00510ed8),
- which the research it cites called load-bearing. The contract enumerated the
- five writes and not the gate around them; the implementation inherited the
- omission. This is the root of R1 — process rule 1 ("the contract causes the
- defect") in action.
-2. **§2's `DoPickupEvent`/`DoParentEvent` gate citations are not readable from
- the named-retail source** (BN lowered both to a literal always-false
- expression). The contract presents them as verified. Nothing downstream
- depends on it, but "✓" is the wrong mark.
-3. **§4 D4 said "assert"; §6 test 10 said "assert the child's render entity
- moved buckets".** The implementation did neither, and the contract's own
- sabotage instruction ("break D2's propagation and confirm THIS test fails on
- the canonical half **while presentation still moves** — if it stays green,
- the test is asserting the wrong layer") was applied to the canonical half
- only. The contract was right; it was not followed. R2/R3.
-4. **§5's proof obligations are not stated anywhere in the working tree.** P4 and
- P8 in particular were explicitly "must prove, not assume". P8's answer is
- benign (I checked), P4's is unwritten.
-
-## Propagation research defects found
-
-Two, both cosmetic, listed in §A: the "verbatim" blocks are normalized
-paraphrase, and §7's read/inferred ledger is otherwise scrupulous and correct.
-**The verdict, the addresses, the recursion claim, the same-cell-fast-path
-disambiguation, the `update_object` clincher, and the cross-cells trap are all
-correct.** The research is the strongest artifact in this slice; the contract
-weakened one of its findings on the way through (R1).
-
----
-
-## What would flip this to PASS
-
-- R1: a `part_array` register clause (or the guard, if a canonical analogue
- exists).
-- R2: an App test that asserts the spatial bucket / visibility state moved, with
- the demoted call sabotage-verified.
-- R3: assert-or-propagate on `RebucketEquippedChildPresentation`'s two guards.
-
-R4–R11 are worth folding in but none of them alone blocks the slice.
diff --git a/docs/research/2026-08-04-c4-routes-6-7-scoping.md b/docs/research/2026-08-04-c4-routes-6-7-scoping.md
deleted file mode 100644
index edc7f497..00000000
--- a/docs/research/2026-08-04-c4-routes-6-7-scoping.md
+++ /dev/null
@@ -1,672 +0,0 @@
-# C4 routes 6 and 7 — scoping (2026-08-04)
-
-Read-only research. Worktree
-`C:\Users\erikn\source\repos\acdream\.claude\worktrees\peaceful-visvesvaraya-e0a196`,
-branch `claude/acdream-physics-divergence-5aa784`, HEAD `d5bdc355`.
-
-Scoped together deliberately: the campaign groups route 6 (drops +
-split-recovery marking) and route 7 (residual pickup/parent/delete polish) as
-adjacent item/container work. **They turn out not to share a single production
-file.** The reason to keep them in one document is different from the reason
-they were paired: both routes' premises in
-[`2026-08-02-cutover-route-inventory.md`](2026-08-02-cutover-route-inventory.md)
-were written **before C3c flipped both hosts' Create paths onto the residence
-lease**, and both are now substantially or entirely satisfied by that flip.
-Splitting the scoping would have produced two documents each re-deriving the
-same C3c correction.
-
-**Headline: route 6 requires no production change. Route 7 has exactly one
-real defect, and it is a two-writer split on the child's canonical cell —
-which is also the reason headless has no parent-realize sequence at all.**
-
----
-
-## 0. The correction that governs both routes
-
-The inventory's route-6 and route-7 sections both rest on this claim
-(`2026-08-02-cutover-route-inventory.md:759-767`, repeated at `:806-824`):
-
-> `RegisterEntityWithInitialResidence` is never called from any production
-> path (confirmed by full-repo grep …). Both drop flavors equally bypass the
-> canonical create-placement transaction.
-
-**That is no longer true.** C3c (`529e0e9d`) flipped both hosts:
-
-- Graphical: `src/AcDream.App/World/LiveEntityRuntime.cs:544-548` —
- `_entityObjects.RegisterEntityWithInitialResidence(incoming, isLocalPlayer,
- RetirePriorProjection)`, with the C3c rationale comment at `:538-543`.
-- Direct/headless: `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs:118-123`
- — the same call, except for the deliberately-excluded content-less host
- (comment `:108-117`).
-
-Route 7's inventory paragraph "these cancellation calls are structurally
-present but functionally no-ops against always-empty state" is likewise
-obsolete: `InitialCreateResidences` is populated in production now, so every
-`ForgetInitialCreateResidence` in the pickup/parent/delete family is live.
-
-Anything in the inventory's routes 6/7 sections that reasons from
-"nothing upstream to cancel" must be re-derived, not cited.
-
----
-
-# ROUTE 6 — drops and unparent-to-world
-
-## 6.1 What the route actually is
-
-**There is no route-6 classifier disposition and no route-6
-`RuntimePositionEntityKind`.** A dropped item is an ordinary non-local
-CreateObject:
-
-- `RuntimePositionEntityKind.Remote`
- (`src/AcDream.Runtime/Physics/RuntimeAuthoritativePositionRouteClassifier.cs:8-14`).
-- `RuntimeCreateResidenceKind.TopLevel`, produced at
- `src/AcDream.Runtime/Entities/RuntimeInitialCreateResidenceState.cs:603-606`
- (`Parented` when the wire frame carries a parent, `PickedUp` when it has
- neither parent nor position).
-- `ClassifyCreate` (`RuntimeAuthoritativePositionRouteClassifier.cs:205-275`)
- returns disposition `SetPosition` with
- `InitialCreateFlags = Placement | Slide` (`:168-170`, applied `:254-258`).
-
-That is byte-for-byte route 1's create classification. Route 6 is a *source*
-of route-1 traffic, not a route of its own.
-
-## 6.2 Both drop flavors already converge on the canonical transaction
-
-**Whole-item drop.** `ItemInteractionController.ExecutePlacementActions`,
-`DropToWorld` case
-(`src/AcDream.App/UI/ItemInteractionController.cs:974-991`): optimistic
-`MoveItemOptimistic(objectId, newContainerId: 0u, newSlot: -1)` then
-`_sendDrop(objectId)`. No physics, no position. The server's CreateObject
-comes back through the ordinary wire pump into
-`LiveEntityHydrationController.OnCreate` → `_runtime.RegisterLiveEntity` →
-`RegisterEntityWithInitialResidence` (`LiveEntityRuntime.cs:544-548`).
-
-**Split-to-world.** Same file `:992-1013` (`SplitToWorld` case) raises
-`WorldDropDispatched`; `InventoryWorldDropProjectionController.OnWorldDropDispatched`
-(`src/AcDream.App/World/InventoryWorldDropProjectionController.cs:81-98`)
-records the pending identity; the new GUID's F748 Position is recovered by
-`TryRecoverUnknownPosition` (`:54-68`), which calls **`_hydration.OnCreate(spawn)`
-at `:66` — the identical entry point**. Same residence lease, same conductor,
-same placement.
-
-**Therefore the campaign handoff's route-6 requirement
-(`2026-07-31-remaining-physics-campaign-handoff.md:357-362`) —
-"`TryRecoverUnknownPosition` may create the logical object, but it must enter
-the same canonical create-placement transaction" — is already met, by C3c, with
-zero route-6-specific code.**
-
-## 6.3 "Do not expose a stale source position" — satisfied
-
-`PendingSplitToWorldProjection.BuildSpawn`
-(`InventoryWorldDropProjectionController.cs:171-209`) overrides every
-positional field from the arriving update:
-
-| Field | Line |
-|---|---|
-| `Physics.Position` | `:179` |
-| `Physics.Parent = null` | `:180` |
-| `Physics.Velocity` | `:181` |
-| `Physics.Timestamps.{Position,Teleport,ForcePosition,Instance}` | `:182-188` |
-| DTO `Position` | `:194` |
-| DTO `ContainerId = 0`, `WielderId = 0`, `CurrentWieldedLocation = 0` | `:197-199` |
-| DTO `{Instance,Position}Sequence`, `ParentGuid = null`, `ParentLocation = null`, `PlacementId` | `:200-206` |
-
-No source pose survives into the synthetic spawn.
-
-## 6.4 "Do not replay create-time effects" — NOT ESTABLISHED as a defect
-
-The inventory calls this "a genuine new capability, not merely dormant"
-(`2026-08-02-cutover-route-inventory.md:768-775`). I could not find a reachable
-defect behind it, and the retail decomp says there should not be one.
-
-**acdream's only create-time effect replay is the F754/F755 network queue
-drain, keyed by server GUID.** `LiveEntityReadyPublisher.Publish` calls
-`effects.ReplayPendingForLiveEntity(record.ServerGuid)`
-(`src/AcDream.App/World/LiveEntityHydrationPorts.cs:97`, body at
-`src/AcDream.App/Rendering/Vfx/EntityEffectController.cs:199-205`). That queue is
-written only by `HandleDirect`/`HandleTyped`
-(`EntityEffectController.cs:92-126`) from inbound `PlayPhysicsScript` /
-`PlayPhysicsScriptType` for that exact GUID. A fresh split GUID has nothing
-queued unless ACE actually sent an effect for it — and draining it then is
-retail's own behaviour, which the class documents and ports:
-`SmartBox::HandlePlayScriptID @ 0x00452020` / `HandlePlayScriptType
-@ 0x00452070` queue while the object is absent, and
-`SmartBox::HandleCreateObject @ 0x00454C80` drains through
-`ProcessObjectNetBlobs` (cited `EntityEffectController.cs:17-24, :37-45`).
-
-**The one plausible mechanism — a cloned default script — does not fire at
-create in either client.** `BuildSpawn` does clone `DefaultScriptType` /
-`DefaultScriptIntensity` from the source (they are not in the override list;
-fields at `src/AcDream.Core.Net/Messages/PhysicsSpawnData.cs:58-59`), and they
-reach `EntityEffectProfile.RawDefaultScriptType`
-(`src/AcDream.App/Rendering/Vfx/EntityEffectProfile.cs:67`). But acdream's
-`PlayDefault` (`EntityEffectController.cs:409-418`) has exactly two callers,
-both animation hooks: `DefaultScriptHook` and `DefaultScriptPartHook`
-(`:428-435`). Retail matches: `CPhysicsObj::play_default_script @ 0x005132B0`
-/ `@ 0x00513300` is reached only from `ACCWeenieObject::DoCollision
-@ 0x0058C3A0` (call @0x0058C3B4) and the animation-hook dispatcher
-(@0x00526C08, @0x00526C14). **Neither client plays a default script from
-`set_description` or CreateObject.**
-
-**Live evidence that would settle it if someone still doubts:** split a stack
-of a WCID whose PhysicsDesc carries a nonzero `DefaultScriptType` and watch for
-a script at the drop. Per the two call-site sets above there is none to
-observe, so this is a confirmation, not an open question.
-
-## 6.5 Retail truth for drops and for "split-recovery marking"
-
-**Whole-item drop.** `ACCWeenieObject::UIAttemptPutIn3D @ 0x0058D700`: gate on
-`IsPlayerReadyToMakeInventoryRequest` @0x0058D70F, send
-`CM_Inventory::Event_DropItem` @0x0058D715, then record only
-`prevRequest = IR_MOVE` (@0x0058D74F) or `IR_DROP` (@0x0058D731). **No
-placement call, no split marker, no client-side position.** The dropped object
-re-enters the world through the ordinary CreateObject path.
-
-**Split.** `ACCWeenieObject::UIAttemptSplitTo3D @ 0x0058D850` sends
-`Event_StackableSplitTo3D` @0x0058D86B and then records exactly three fields:
-`splitStackSize = arg2` @0x0058D8A2, `splitClassID = this->pwd._wcid`
-@0x0058D8A8, `splitTime = cur_time` @0x0058D8AE.
-`ACCWeenieObject::UIAttemptSplitToContainer @ 0x0058D7D0` records the
-**identical three fields** at @0x0058D82D / @0x0058D833 / @0x0058D838.
-
-**The marker's consumer is `ACCWeenieObject::DeclareValid @ 0x0058E340`:**
-
-```
-splitClassID read @0x0058E44A
-if (splitClassID != INVALID) {
- if (splitClassID == this->pwd._wcid) @0x0058E462
- stack = this->pwd._stackSize; if (0) 1 @0x0058E464-@0x0058E46E
- if (splitStackSize == stack) { @0x0058E479
- ACCWeenieObject::SetSelectedObject(this->id, 0); @0x0058E481
- splitClassID = INVALID; return; @0x0058E490
- }
- if (cur_time - splitTime >= 10.0) @0x0058E49F-@0x0058E4B0
- splitClassID = INVALID; @0x0058E4B2
-}
-```
-
-**So retail's "split-recovery marking" is (i) a WCID + stack-size + 10-second
-identity recorded for BOTH split flavors, and (ii) a recovery action that is a
-SELECTION TRANSFER — `SetSelectedObject` — not effect suppression and not
-anything placement-related.**
-
-acdream implements (i) partially and (ii) not at all:
-
-- The 10-second window is exact: `PendingSplitToWorldProjection.RetailRecognitionSeconds = 10.0`
- (`InventoryWorldDropProjectionController.cs:113`), enforced `:146-153`.
-- The match is **"any unknown GUID that is not the source"** (`:155-156`), not
- WCID + stack size, because ACE's F748 carries neither. This is the
- already-registered **AP-124**
- (`docs/architecture/retail-divergence-register.md:274`), which cites both
- retail symbols correctly.
-- acdream records the marker only for `InventoryRequestKind.SplitToWorld`
- (`:86`); retail records it for split-to-container too.
-- No `SetSelectedObject` equivalent runs. The controller's constructor
- (`:33-52`) takes interaction / objects / runtime / hydration / clock and has
- no selection dependency at all.
-
-## 6.6 Route 6 — what remains
-
-**Nothing that C4 must do.** The three genuine residuals are:
-
-| # | Item | Kind |
-|---|---|---|
-| R6-a | `DeclareValid`'s `SetSelectedObject(this->id, 0)` @0x0058E481 is not ported — the split result does not become the selected object, and the container-split flavor has no marker at all | UI/selection behaviour, **not placement**; file as an issue, out of C4 scope |
-| R6-b | AP-124's WCID/count approximation | already registered; retiring it needs ACE to send CreateObject to the initiator, not a client change |
-| R6-c | `BuildSpawn` clones `Children`, `Movement`, `AnimationFrame`, `SetupTableId` etc. wholesale from the source | **not established** as a defect: a stackable inventory item's `Children` should be empty and its `Movement` inert. Settled by dumping a source spawn's `PhysicsSpawnData` at a live split — one `ACDREAM_DUMP_*`-style probe, or an assertion in the new tests |
-
-**Recommended route-6 landing: evidence + tests only, no production diff.**
-Add the coverage the campaign handoff's route-6 test list names
-(`2026-07-31-remaining-physics-campaign-handoff.md:363-365`) against the
-now-flipped path: whole item, split stack, new GUID, second drop position,
-unavailable destination, newer Position while waiting. Note that "attached
-child becoming a world root" from that list is **not route 6's** — it is a
-cell-less Position on an existing entity, owned by 4b-3.
-
-## 6.7 Route 6 — line budget
-
-- **Production: 0 lines** for the campaign mandate. If R6-a is adopted inside
- C4 (I recommend against it — it is selection UX, and mixing it in makes the
- landing un-reviewable against a placement contract), **40-80** lines.
-- **Tests: 150-250 lines.** Route 4a was 364 production lines; this is an
- order of magnitude below the threshold where splitting is a question.
-
-## 6.8 Route 6 — connected gate
-
-Cheap and directly visible.
-
-1. Stand on open ground in Holtburg. Drop a whole item from inventory (drag to
- 3D or the drop action). It must appear **at your feet**, resting on the
- ground, immediately, and be pickable.
-2. Split a partial stack of a stackable (e.g. pyreals) to the ground. Same
- result, with the correct quantity on the new pile and the remainder still
- in inventory.
-3. Drop a second item within ~1 m of the first. Both must remain visible and
- separately pickable.
-4. Repeat once indoors (an inn interior) and once immediately after a portal
- recall.
-5. Walk two landblocks away and back. Both piles must still be there and still
- pickable.
-
-**Regressions to watch for:** the item appears at the world origin or at your
-*previous* position (stale pose); the item is invisible but blocks you
-(invisible-but-solid, the #184 class); the item sinks into or floats above the
-floor; the item cannot be picked up; the split pile never appears at all
-(the recovery window failed); the second drop is swallowed by the first.
-
----
-
-# ROUTE 7 — pickup, parent, and delete
-
-## 7.1 What the route actually is
-
-**Dispositions.** Route 7's classifier surface is
-`RuntimeAuthoritativePositionRouteClassifier.ClassifyLeaveWorld`
-(`:475-505`), taking a `RuntimeLeaveWorldRouteRequest` (`:141-145`) whose
-`RuntimeLeaveWorldCause` is `Pickup` or `Parent` (`:31-36`). It returns
-disposition `AwaitFreshPosition` with `LeaveWorld: true`,
-`SetPositionFlags.None`, `ConstrainPhase.None`, and no teleport hook.
-
-The create-side siblings are `RuntimeCreateResidenceKind.Parented` and
-`PickedUp`, which `ClassifyCreate` routes to the same `AwaitFreshPosition` /
-no-SetPosition branch (`:219-241`), with the comment at `:230-233` stating why
-initial residence invents no withdrawal edge.
-
-**`ClassifyLeaveWorld` has ZERO production callers.** Repo-wide grep returns
-its own definition and exactly one test
-(`tests/AcDream.Runtime.Tests/Physics/RuntimeAuthoritativePositionRouteClassifierTests.cs:341-342`),
-plus a comment in `RuntimeInitialCreateContinuationExecutorTests.cs:1672`
-noting that `ApplyPositionAction` does not call it. Every production pickup /
-parent / delete performs its leave-world work by hard-coded sequence inside
-`RuntimeEntityObjectLifetime`, never through the classifier.
-
-**Entity kind** is whatever the object is — `Remote` for items, and the
-classifier's `OperationKind(kind, initialCreate: false)` derives from it.
-
-## 7.2 Retail truth: route 7 performs NO placement
-
-This is the single most important fact for scoping route 7, and it inverts the
-trap list that governed routes 2 / 4a / 4b.
-
-**Pickup — `SmartBox::DoPickupEvent @ 0x00452240`:**
-
-```
-gate on obj->update_times[0] (the POSITION stamp) @0x0045224B-@0x00452274
- obj->update_times[0] = incoming @0x00452278
- CPhysicsObj::unset_parent(obj); @0x0045227F
- CPhysicsObj::leave_world(obj); @0x00452286
-```
-
-No `SetPosition`, no `MoveOrTeleport`, no `ConstrainTo`, no placement flags.
-
-**Parent — `SmartBox::DoParentEvent @ 0x00452290`:**
-
-```
-gate on child->update_times[0] @0x00452296-@0x004522C5
- if (child had no parent && parentId != player)
- parentWeenie->SetParentedState(1); @0x004522F4
- CPhysicsObj::set_parent(child, parent, loc); @0x00452305
- CPhysicsObj::SetPlacementFrame(child, arg5, 1); @0x00452313
-```
-
-**`CPhysicsObj::set_parent @ 0x00515A90` (3-arg):**
-
-```
-if (parent != 0 && add_child(parent, this, loc) != 0) { @0x00515A9D
- unset_parent(this); @0x00515ABA
- leave_world(this); @0x00515AC1
- this->parent = parent; @0x00515AC6
- if (parent->cell != 0) { @0x00515AD1
- change_cell(this, parent->cell); @0x00515AD6
- UpdateChild(parent, this, part_number, frame); @0x00515B0E
- recalc_cross_cells(this); @0x00515B15
- }
- if (parent->state & NODRAW-bit) { @0x00515B26
- this->state |= 0x20;
- part_array->SetNoDrawInternal(1); @0x00515B38
- }
- return 1; @0x00515B45
-}
-return 0; @0x00515B4D
-```
-
-The 4-arg overload @0x00515B50 is the same shape, minus the `CHILDLIST`
-index lookup and plus `m_bExaminationObject` inheritance @0x00515B76.
-
-**`CPhysicsObj::unset_parent @ 0x00513470`:** `CHILDLIST::remove_child`
-@0x00513484 → NoDraw restore @0x00513495-@0x005134A7 → `parent = null`
-@0x005134AC → `update_time = cur_time` @0x005134BF → tailcall
-`clear_transient_states` @0x005134CE.
-
-**Conclusion.** Route 7's entire mandate in this campaign is the one the
-campaign handoff already states
-(`2026-07-31-remaining-physics-campaign-handoff.md:367-373`): pickup / parent /
-delete must **cancel** the exact active placement / lost-cell family first and
-publish `Discard`/`Withdraw` before the later entity delta. There is no
-placement to port, no leash, no distance threshold, no flags.
-
-## 7.3 What is already canonical (verified, not assumed)
-
-**Every cancellation choke point exists and is live.** Six sites in
-`src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs`, each running the
-identical `ForgetInitialCreateResidence` → `Physics.SetPosition.Forget` →
-`PreferCancellation` sequence and threading the receipt into
-`AcknowledgeProjectionAndPublish`:
-
-| Method | Cancellation lines |
-|---|---|
-| `CommitPositionChannelUpdate` | `:1074-1094` |
-| `TryApplyPickup` | `:1226-1245` |
-| `TryCommitParent` | `:1360-1374` (added at C0; rationale `:1344-1359`) |
-| `CommitAcceptedParentCellless` | `:1390-1407` |
-| `CommitWithdrawal` | `:1845-1860` (added at C0; rationale `:1837-1844`) |
-| `TryAcceptDelete` | `:1939-1952` |
-
-`ForgetInitialCreateResidence` is at `:2552-2569`; `PreferCancellation`
-(initial wins over ordinary) at `:2571-2574`.
-
-**The two C0 asymmetries the inventory flagged (`:826-837`) are FIXED.**
-`TryCommitParent` had no choke point at all; `CommitWithdrawal` cancelled only
-the residence family. Both now cancel both families, and both carry the
-explanatory comment naming the C0 finding. `TryCommitParent`'s deliberate
-omission of `Physics.CollisionReports.LeaveWorld` is documented `:1352-1359`
-against `set_parent @ 0x00515A90`'s single gated `leave_world` @0x00515AC1 —
-**do not "fix" this; the campaign contract already pins it.**
-
-**Ordering is correct.** `AcknowledgeProjectionAndPublish` (`:2187-2213`) runs
-`Physics.SetPosition.PublishCancellation(cancellation)` as its **first**
-statement at `:2194`, before the currency re-check, before the host
-acknowledgement callback, and before `PublishEntity`. That is exactly the
-handoff's "publish `Discard`/`Withdraw` before the later entity/inventory
-delta."
-
-**Cancellation receipts ARE host-visible.**
-`RuntimeSetPositionState.PublishCancellation` (`:5296-5309`) republishes the
-retained `Discard`-kind `RuntimePlacementProjectionSnapshot` through
-`PublishPlacement`, i.e. through the same one placement stream. Both hosts
-consume the kind: `src/AcDream.App/World/RuntimePlacementPresentationSink.cs:102`,
-`src/AcDream.App/World/LiveEntityRuntime.cs:1179`, and
-`src/AcDream.Headless/Hosting/HeadlessRuntimePlacementProjectionSink.cs:27`.
-**The C0 note "route-7 needs … host-visible cancellation receipts" is
-satisfied.**
-
-**Pickup/parent during a pending residence already defer.** `TryApplyPickup`
-`:1189-1215` enqueues a dormant `RuntimeInitialCreateContinuationKind.Pickup`
-continuation when `TryGetPendingInitialResidence` hits; `TryApplyParent` and
-`TryApplyMotion` have the same shape.
-
-**App and headless carry no duplicate placement authority for route 7.**
-`LiveEntityDeletionController` (102 lines) is purely logical.
-`LiveEntityHydrationController.OnPickup` (`:455-474`) calls
-`_runtime.TryApplyPickup` then `_relationships.OnChildBecameUnparented`.
-Headless `OnPickedUp` / `OnDeleted` / `OnParentUpdated`
-(`RuntimeLiveEntitySessionController.cs:176-180, :155-174, :313-317`) are thin
-pass-throughs. Grep for `SnapToCell` / `CommitRebucket` / `SuspendObjectClock`
-/ `SetFullCell` across `src/AcDream.App` and `src/AcDream.Headless` returns no
-pickup/parent/delete site.
-
-## 7.4 The one real defect — the child's canonical cell has two writers
-
-This is route 7's whole substance.
-
-**Retail** puts the child in the parent's cell **inside `set_parent`**:
-`change_cell(this, parent->cell)` @0x00515AD6 followed by
-`recalc_cross_cells(this)` @0x00515B15, gated on `parent->cell != 0`
-@0x00515AD1.
-
-**acdream splits that in half across two assemblies:**
-
-1. Runtime commits the child **cell-less, unconditionally**.
- `RuntimeEntityObjectLifetime.CommitAcceptedParentCellless` (`:1377-1408`)
- runs `Physics.CollisionReports.LeaveWorld` `:1396`,
- `Entities.SuspendObjectClock` `:1397`, `Entities.SetFullCell(canonical, 0u,
- 0u)` `:1398`. Its App wrapper's doc comment
- (`LiveEntityRuntime.cs:2288-2292`) claims it "commits retail
- `CPhysicsObj::set_parent`'s cell-less edge" — accurate only for the
- `parent->cell == 0` case; retail's `parent->cell != 0` case immediately
- re-cells the child and acdream never performs that half in Runtime.
-2. **App re-cells the child from a presentation tick.**
- `EquippedChildRenderController.TickChild` `:405-408` calls
- `_liveEntities.RebucketLiveEntity(child.ChildGuid, parentCellId)`, and the
- public `LiveEntityRuntime.RebucketLiveEntity` (`:801-977`) is *not*
- presentation-only — it writes the canonical cell through
- `_entityObjects.CommitRebucket(record.Canonical, committedFullCell,
- committedLandblock)` at `:904-907`.
-
-So the canonical `FullCellId` of every equipped child is produced by a
-per-frame render-composition tick, not by the parent commit. Two consequences,
-and they are the same bug seen from two sides:
-
-- **Headless leaves every parented child cell-less forever.**
- `RuntimeLiveEntitySessionController.OnParentUpdated` (`:313-317`) calls only
- `Entities.TryApplyParent`. Neither `TryCommitParent` nor
- `CommitAcceptedParentCellless` has any headless caller — repo grep finds only
- `EquippedChildRenderController.cs:869` and the App wrappers at
- `LiveEntityRuntime.cs:2280-2312`. There is no headless
- `EquippedChildRenderController`, so nothing ever supplies step 2. The
- inventory called this a "headless-specific gap, pre-existing, adjacent"
- (`:839-853`) — it is not adjacent, it is the *same* missing commit.
-- **The two-store shape is exactly the failure class this campaign exists to
- remove**, and it is the shape the trap list names ("two separate snapshot
- stores for one piece of state").
-
-**Fix shape:** move the parent-cell commit into `TryCommitParent` /
-`CommitAcceptedParentCellless` (i.e. perform retail's `parent->cell != 0` half
-in Runtime, gated the same way), and demote App's `TickChild` rebucket to
-presentation-only — `RebucketLiveEntityPresentationOnly`
-(`LiveEntityRuntime.cs:993-1050`) is the existing shape, added by C3c for
-exactly this "Runtime already owns the canonical commit" case. Headless then
-gets the correct child cell for free.
-
-## 7.5 The second item — `ClassifyLeaveWorld` is dead
-
-Either wire pickup/parent through it so route 7 stops being the one route with
-hard-coded dispositions, or delete it and record why the hard-coded sequence is
-the right shape. Leaving a classified disposition with one test and no
-production caller is how routes 2 and 4 accumulated their divergences.
-
-I lean **wire it**, because the cause discriminator (`Pickup` vs `Parent`)
-is the thing that decides whether `EndChildProjection` runs, and today that
-decision is implicit in *which method the caller picked*.
-
-## 7.6 Route 7 — line budget
-
-| Piece | Production lines |
-|---|---|
-| Runtime child-cell commit in `TryCommitParent` / `CommitAcceptedParentCellless` (retail's `change_cell` + `recalc_cross_cells` half, gated on parent cell) | 120-180 |
-| Demote `EquippedChildRenderController.TickChild`'s rebucket to presentation-only + the follow path that replaces it | 60-100 |
-| Headless parent-realize drive (`OnParentUpdated` → the same commit) | 60-100 |
-| Wire or delete `ClassifyLeaveWorld` | 60-150 |
-| **Total** | **300-490** |
-
-Calibration: route 4a was 364 non-comment production lines, 4b-1 was 230 + a
-57-line park fix. **Route 7 fits one slice and must not be split** — the child
-cell commit and the App demotion are the two halves of one transfer and cannot
-land separately without leaving the child cell-less in the interval. Test work
-~400-700 lines.
-
-If the implementation crosses **550** production lines, stop and report; the
-most likely cause would be discovering that the per-tick follow (7.8, T5) needs
-its own Runtime mechanism, which is a second slice.
-
-## 7.7 Route 7 — connected gate
-
-Two clients. `+Acdream` plus a second character observing.
-
-1. **Equip / unequip cycle.** Wield a weapon, then a shield, then unwield both,
- five times, while the observer watches. The weapon must appear in the hand,
- at the hand, oriented with the hand, and disappear cleanly on unwield.
-2. **Carry across a landblock boundary.** With the weapon equipped, run across
- at least two landblock boundaries and back, both while the observer watches
- and while observing the other character do it.
-3. **Pickup.** Drop the weapon, pick it back up. It must leave the ground
- (route 7's `leave_world`) and re-appear equipped or in inventory with no
- ghost left on the ground.
-4. **Delete under load.** Kill something and loot its equipped items.
-5. **Reconnect.** Log out with equipment and back in; the equipment must
- re-attach.
-6. **Headless.** Run the headless bot with an equipped item and assert the
- child's canonical `FullCellId` equals the parent's at a stable checkpoint —
- this is the direct regression test for 7.4, and it fails **today**.
-
-**Regressions to watch for:** the equipped weapon draws at the world origin or
-at its last ground position; the weapon is invisible while equipped;
-**invisible-but-solid** — the weapon's collision remains at the drop site after
-being picked up; the weapon is left behind when the wearer crosses a landblock
-boundary (this is the R1/#184 class and is the specific risk of demoting the
-tick rebucket); the child is culled when the parent is visible or vice versa;
-a picked-up item still blocks movement.
-
-## 7.8 Traps
-
-Mapped to the shapes that already bit this campaign, plus route-7-specific
-ones.
-
-**T1 — the inverse leash trap. Route 7 must NOT arm `ConstrainTo`.**
-4b-2's contract correctly says "arm on refusal and rejection too" because
-`MoveOrTeleport` returns 1 regardless and `HandleReceivedPosition` @0x00454254
-arms @0x00454272. **Route 7 never reaches `HandleReceivedPosition` at all** —
-`DoPickupEvent` @0x00452240 and `DoParentEvent` @0x00452290 are separate wire
-handlers. An implementer arriving from 4b-2 will carry the "always arm" rule
-across. There is no leash on this route.
-
-**T2 — deleting the only handler for a rejected classification.**
-`ClassifyLeaveWorld` returns `RejectedAuthority` when
-`Cause is RuntimeLeaveWorldCause.Unknown` or `ValidCreateAuthority` fails
-(`:481-487`). Retail's `DoPickupEvent` has **only** a stale-timestamp no-op —
-there is no "rejected" outcome that skips `unset_parent`/`leave_world` once the
-stamp is accepted. If route 7 wires the classifier and performs the leave-world
-only on `Accepted`, every rejected classification silently drops a pickup. This
-is 4b-2's `null`/`Rejected*` trap, one level up: state the policy explicitly.
-
-**T3 — `ValidCreateAuthority`'s teleport-equality predicate is the #307
-shape.** `ClassifyLeaveWorld` gates on `ValidCreateAuthority` (`:507-512`),
-which requires `PreviousTeleportSequence == AcceptedTeleportSequence`. That is
-exactly the predicate #307 (`19d95094`) had to fix on the live Position path,
-where `PreviousTeleport` was always 0 and every previously-teleported entity
-failed it. Before wiring T2's classifier, **verify first-hand** that the
-pickup/parent authority actually populates `PreviousTeleportSequence`, and that
-retail's own gate is the *position* stamp (`update_times[0]` @0x0045224B), not
-a teleport stamp at all — the two may simply not correspond.
-
-**T4 — do not carry `MoveOrTeleport`'s guards onto this route.** AP-87's 4 m
-`BodySnapThreshold` and `!willBeDrTicked` conditions and the 96 m
-`MaxPhysicsDistance` are near/far *interpolation* decisions inside
-`MoveOrTeleport @ 0x00516330`. Pickup and parent have no distance concept.
-Importing any of them is the "carry a guard onto a branch that does not need
-it" shape AP-87's own row and the 4b-2 contract both warn about.
-
-**T5 — demoting the tick rebucket can reproduce #184 / route-4a's R1.**
-`EquippedChildRenderController.TickChild`'s rebucket (`:405-408`) runs on every
-recomposition, and `LiveEntityRuntime.RebucketLiveEntity` is what moves the
-GPU draw bucket, sets `IsSpatiallyVisible`, calls `RefreshPresentation`, and
-publishes `ProjectionVisibilityChanged` (`:844-953`). Route 4a's R1 finding was
-precisely that gating this call left a creature body-and-shadow-correct but
-draw-bucket-stale — **invisible but solid**. The replacement must keep the
-child following the parent across cell boundaries.
-**Retail-side status: PARTIALLY ESTABLISHED.** `CPhysicsObj::UpdateChild
-@ 0x00512D50` composes the frame and calls `CPhysicsObj::set_frame(child, …)`
-@0x00512D8D; `set_frame @ 0x00514090` writes `m_position.frame` @0x005140E9,
-pushes it to the part array @0x00514101, and cascades
-`UpdateChildrenInternal` @0x00514108 — **it never touches `objcell_id` or
-`cell`.** So retail's per-move child update is frame-only, and the child's cell
-is established once at `set_parent`'s `change_cell` @0x00515AD6. **Whether a
-parent crossing a cell re-cells its children is NOT established** from
-`UpdateChild`/`set_frame`/`UpdateChildrenInternal` alone. Settle it before
-demoting: read `CPhysicsObj::change_cell` / `CPhysicsObj::set_cell`'s child
-handling, or take a cdb trace with breakpoints on
-`CPhysicsObj::change_cell` and `CPhysicsObj::UpdateChildrenInternal` while a
-retail character carrying an equipped weapon walks across a landblock boundary.
-
-**T6 — the pre-flight-guard trap probably does NOT apply, and saying so
-matters.** 4b-1's finding was that a pre-flight service-window guard cannot see
-conditions only Core can see (`AdjustToOutside` residency,
-`ResultTouchesPrefix` over `QueriedCellIds`). Route 7's child-cell commit is
-retail's `change_cell` — **no sweep, no `AdjustPosition`, no placement** — so
-there is no deferrable Core condition to miss. Do not import 4b-1's
-service-window machinery here. If an implementer finds a reason a child cell
-commit *can* defer, that is a new finding and needs its own stop-and-report.
-
-**T7 — ordering divergence on pickup, significance NOT ESTABLISHED.** Retail
-runs `unset_parent` @0x0045227F **before** `leave_world` @0x00452286. acdream
-inverts it: `RuntimeEntityObjectLifetime.TryApplyPickup` runs
-`Physics.CollisionReports.LeaveWorld` `:1229` → `SetFullCell(0,0)` `:1235` →
-`ParentAttachments.EndChildProjection` `:1236`, and at the App layer
-`LiveEntityHydrationController.OnPickup` (`:460-473`) runs `TryApplyPickup`
-first and `OnChildBecameUnparented` second. The two operations touch different
-structures (collision reporting vs the relation table), so I could not
-construct a case where the order is observable — but I did not prove it inert.
-Decide deliberately and record the decision; do not silently preserve the
-inversion because "tests are green".
-
-**T8 — do not add a second `LeaveWorld` to `TryCommitParent`.** Already pinned
-by the campaign plan and by the in-code comment at `:1352-1359`, but it is the
-most natural-looking "asymmetry" a reviewer will flag, because every sibling
-method calls `Physics.CollisionReports.LeaveWorld` and this one does not.
-Retail's `set_parent` has exactly one `leave_world` @0x00515AC1, inside the
-`add_child` success branch that acdream's staged/deferred realize sequence
-represents.
-
----
-
-## 8. Coupling, merge/split, and order
-
-**Do they share files?** **No.** Route 6's surface is
-`InventoryWorldDropProjectionController.cs`, `ItemInteractionController.cs`, and
-(read-only) `LiveEntityHydrationController.OnCreate`. Route 7's surface is
-`RuntimeEntityObjectLifetime.cs`, `EquippedChildRenderController.cs`,
-`RuntimeLiveEntitySessionController.cs`, and
-`RuntimeAuthoritativePositionRouteClassifier.cs`. The only shared *concept* is
-that both funnel through `LiveEntityHydrationController`, and route 6 does not
-modify it.
-
-**Can 6 land without 7?** Yes, trivially — route 6 has no production diff.
-
-**Should they be ONE slice?** **No, but not for the campaign's reason.** They
-should be *two landings of very different kinds*:
-
-- **Route 6 is a closure, not a slice.** No production change; a short evidence
- note plus the drop/split coverage tests. Landing it as a "slice" with the
- full contract → implementer → dual-review discipline would be ceremony over
- a zero-line diff.
-- **Route 7 is one genuine slice** of ~300-490 production lines, and its two
- halves (Runtime child-cell commit; App demotion) **must not** be split from
- each other.
-
-**Recommended order: route 6 first, then route 7.** Not because of a
-dependency — there is none — but because route 6's closure is what removes the
-inventory's false "genuine new capability, not merely dormant" claim
-(`:768-775`) from the campaign's live record. Leaving that claim standing means
-route 7's implementer inherits a planning document that asserts an effect-replay
-suppression signal must exist. Cost of doing 6 first: a few hours.
-
-**One planning-record correction to fold in when route 6 closes:** the campaign
-plan's own pre-cutover gap list
-(`docs/plans/2026-08-02-placement-cutover.md:98-100`) still says
-"Route-6 split-recovery creates need an effect-replay suppression signal;
-route-7 needs `TryCommitParent`/`CommitWithdrawal` cancellation-symmetry fixes
-and host-visible cancellation receipts". The first clause is unsubstantiated
-(§6.4) and the second and third were both closed at C0 (§7.3). The list should
-say what actually remains: the child-cell two-writer split and the headless
-parent-realize gap.
-
----
-
-## 9. What I could not establish
-
-1. **Whether retail re-cells a child when its parent crosses a cell** (T5).
- `UpdateChild` @0x00512D50 → `set_frame` @0x00514090 is frame-only and never
- writes `objcell_id`. `change_cell`/`set_cell`'s child handling was not read.
- This is load-bearing for demoting App's per-tick rebucket, and it is the one
- thing route 7's contract must nail down before implementation.
-2. **Whether the pickup ordering inversion is observable** (T7). Different data
- structures; no constructed failure case; not proven inert.
-3. **Whether `BuildSpawn`'s wholesale clone of `Children` / `Movement` /
- `AnimationFrame` can carry anything harmful onto a split result** (R6-c).
- Expected empty for a stackable inventory item; not measured.
-4. **Whether `ClassifyLeaveWorld`'s `ValidCreateAuthority` teleport-equality
- gate is even meaningful for pickup** (T3). Retail's gate is the position
- stamp @0x0045224B; the classifier's is a teleport-sequence equality
- inherited from the create path. The two may not correspond at all, in which
- case wiring the classifier unchanged would reject valid pickups the way
- #307 rejected valid force corrections.
diff --git a/docs/research/2026-08-04-invisible-recalled-remote-diagnosis.md b/docs/research/2026-08-04-invisible-recalled-remote-diagnosis.md
deleted file mode 100644
index 384ed9c9..00000000
--- a/docs/research/2026-08-04-invisible-recalled-remote-diagnosis.md
+++ /dev/null
@@ -1,476 +0,0 @@
-# Invisible recalled remote — diagnosis
-
-**Date:** 2026-08-04
-**HEAD:** `204d0ae0`
-**Mode:** REPORT-ONLY. No source or test edits were made.
-**Subject:** remote player `0x50000001` recalls into the observer's location and
-is absent from both the 3-D world and the radar, while remaining logically alive
-(chat and spellcasting visible, physics ticking, equipment attached).
-
-**Bottom line:** the failing stage is pinned to a narrow set — something that the
-per-packet prologue rebucket does **not** restore. Two hypotheses survive every
-piece of evidence. They are separated by two cheap, decisive tests named in §6.
-`7f1c1f5a` is **not exonerated**: it introduced a concrete mechanism that
-produces exactly this signature. Do not act before running §6.
-
----
-
-## 1. Evidence held
-
-For guid `0x50000001`:
-
-| Signal | Count | Meaning |
-| --- | --- | --- |
-| `[remote-slide-tick]` | 71 | body ticking in a remote physics workset |
-| `[remote-slide-enq]` | 9 | accepted Positions reached interpolation enqueue |
-| `[remote-slide-up]` | 9 | accepted Positions reached the App routing tail |
-| `[remote-slide-vec]` | 1 | a 0xF74E VectorUpdate accepted |
-| equipment attach | 1 | child `0x800046D9` → `RightHand`, **before** any tick or UP |
-
-User follow-ups:
-
-- **Never recovers** — not on remote movement, not on observer walk-away-and-back.
-- **Did not reproduce on a second recall** — intermittent.
-- **Ordering inversion vs. a working entity in the same session:**
-
-| entity | first `[remote-slide-tick]` | first `[remote-slide-up]` | order |
-| --- | --- | --- | --- |
-| `0x5000000F` (visible) | t=93313875 | t=93313843 | UP **32 ms before** first tick |
-| `0x50000001` (invisible) | t=93507234 | t=93508546 | UP **1312 ms after** first tick |
-
-Both `firstUpAtEntry=True`; distances 46.4 m (failing) / 28.97 m (working) — both
-inside the 96 m far threshold at observation time.
-
----
-
-## 2. The one thing the log proves outright
-
-`LiveEntityNetworkUpdateController.OnPosition` spans **lines 1459–2617**
-(verified by brace-depth scan; single method). Within it:
-
-- `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:1768` —
- `if (!_liveEntities!.RebucketLiveEntity(update.Guid, p.LandblockId) || …)` →
- early `return` at `:1781`.
-- `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2476` —
- `ApplyRemoteContactRouting(…)`, sole caller of
- `src/AcDream.Runtime/Physics/RuntimeRemoteSteadyStatePosition.cs:187`
- (`LogRemoteSlideEnqueue` → `[remote-slide-enq]`).
-
-`:2476` is downstream of `:1768`. **Nine `[remote-slide-enq]` lines therefore
-prove `RebucketLiveEntity` returned `true` nine times.**
-
-Each of those nine calls (`src/AcDream.App/World/LiveEntityRuntime.cs:801-977`):
-
-- did **not** take the C3c residence refusal at `:806-834`,
-- found `record.WorldEntity` non-null (`:803-805`),
-- set `record.IsSpatiallyProjected = true` (`:844`),
-- re-placed the GPU bucket via `_spatial.RebucketLiveEntity` (`:868`) —
- which is remove-then-place (`src/AcDream.App/Streaming/GpuWorldState.cs:1132-1133`)
- and therefore **recovers a removed or pending projection**,
-- recomputed `IsSpatiallyVisible` (`:894-895`),
-- re-fired visibility observers (`:949-959`),
-- succeeded at `CommitRebucket` (`:904-914`).
-
-### 2.1 What this eliminates
-
-- **Materialization never ran / null `WorldEntity`.** Eliminated (`:803-805`).
-- **C3c initial-create residence gate stuck active.** Eliminated (`:806-834`).
-- **Draw bucket simply never installed / permanently lost (#184 class).**
- Eliminated — it is reinstalled on every packet.
-- **`_pendingByLandblock` strand (#168 class).** Eliminated as a *permanent*
- state: `GpuWorldState.RebucketLiveEntity`'s fast path only short-circuits when
- `current.IsLoaded` is true (`GpuWorldState.cs:1106-1111`), so a pending entity
- is re-placed every packet and promotes as soon as its landblock is loaded.
-- **Unrestored park withdrawal of *canonical* residency.** `FullCellId` is
- recommitted by `CommitRebucket` on every packet.
-
-### 2.2 Correction to an earlier draft of this document
-
-An earlier draft additionally claimed the 71 `[remote-slide-tick]` lines proved
-`IsSpatiallyVisible == true` via `HasSpatialRuntimeProjection`
-(`src/AcDream.App/World/LiveEntityRuntime.cs:3171-3176`). **That claim is
-withdrawn.** `[remote-slide-tick]` is emitted from the *Runtime-side*
-`src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:726`, whose workset
-`RuntimePhysicsState.CopySpatialRemotesTo`
-(`src/AcDream.Runtime/Physics/RuntimePhysicsState.cs:1314-1332`) filters on
-`IsSpatialRoot(record)` — **not** on the App-side `IsSpatiallyProjected` /
-`IsSpatiallyVisible`. The App-side filtered copy
-(`LiveEntityRuntime.cs:2666-2685`) is used by
-`src/AcDream.App/Physics/RemotePhysicsUpdater.cs:79`, which is
-`TickHiddenEntities` (declared `:59`) — a **hidden-only** loop whose `:84` guard
-`(record.FinalPhysicsState & PhysicsStateFlags.Hidden) == 0 → continue` skips
-non-hidden entities.
-
-**Resolved on re-verification:** the emit site
-`RuntimeRemotePhysicsUpdater.cs:726` falls inside `internal bool Tick` (declared
-`:61`), **not** `internal bool TickHidden` (declared `:878`). App-side,
-`TickHiddenEntities` reaches the hidden path via `TickHidden` (`:121` → `:251` →
-`:279 _runtime.TickHidden`). **So the 71 tick lines came from the ORDINARY
-remote path, not the hidden-only loop.**
-
-Consequence: H1 loses the "existing log is self-confirming" corroboration that an
-earlier draft claimed. Whether it also *refutes* H1 depends on whether the
-ordinary loop filters `Hidden` — **NOT ESTABLISHED**; the ordinary DR tick driver
-was not located (it is not in `LiveEntityNetworkUpdateController`,
-`LiveEntityMotionRuntimeController`, or `LiveEntityOrdinaryPhysicsUpdater`'s
-searched surface). If the ordinary loop has no `Hidden` filter, H1 stands intact;
-if it skips `Hidden` entities the way `TickHiddenEntities:84` skips non-hidden
-ones, H1 is refuted outright and H2 becomes the sole surviving hypothesis. **This
-is a five-minute source question and should be the first action of the next
-session — it may remove a whole hypothesis before any client is launched.**
-
----
-
-## 3. Constraint on the answer
-
-The fault must be something that:
-
-1. survives a successful `RebucketLiveEntity` on every packet,
-2. suppresses **both** world-render and radar, and
-3. leaves physics/interpolation, chat, casting, and equipment working.
-
-Two candidates satisfy all three.
-
----
-
-## 4. H1 — `PhysicsStateFlags.Hidden` latched on
-
-`src/AcDream.App/World/LiveEntityRuntime.cs:3357-3376`:
-
-```csharp
-PhysicsStateFlags state = record.FinalPhysicsState;
-bool residenceVisible = …;
-entity.IsDrawVisible = residenceVisible
- && (state & (PhysicsStateFlags.NoDraw | PhysicsStateFlags.Hidden)) == 0;
-
-bool interactionVisible = record.IsSpatiallyVisible
- && record.ProjectionKind is LiveEntityProjectionKind.World
- && (state & PhysicsStateFlags.Hidden) == 0;
-```
-
-`Hidden = 0x00004000` (`src/AcDream.Core/Physics/PhysicsBody.cs:52`).
-
-| Consumer | Gate | file:line |
-| --- | --- | --- |
-| World render | `entity.IsDrawVisible` | `src/AcDream.App/Rendering/Wb/WbDrawDispatcher.cs:1159-1164` |
-| Radar blip | `_projections.SetVisible` → `_visible` | `src/AcDream.App/UI/Layout/RadarSnapshotProvider.cs:116-120` → `LiveEntityRuntime.cs:1859` → `LiveEntityProjectionStore.cs:139-152` |
-
-Survives the rebucket: `RebucketLiveEntity` calls `RefreshPresentation` (`:896`),
-which faithfully re-publishes a `FinalPhysicsState` that still carries `Hidden`.
-**Presentation is not stale — it is correctly rendering a wrong flag.** Only a
-fresh accepted SetState clears it, and ACE does not resend one.
-
-Recall is the one flow where a player is legitimately hidden then un-hidden, so a
-lost un-hide is scenario-appropriate. Two candidate drop sites:
-
-1. **Queued behind the initial-create residence and lost.**
- `LiveEntityNetworkUpdateController.cs:1429-1438` states the accepted SetState
- is "queued behind the initial residence". The executor has six arms that
- publish nothing (`src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs:1015`,
- `:1022`, `:1028`, `:1045`, `:1048`, `:1108`) versus one `Released` arm reaching
- `PublishExecutorCompletion` (`:1092`). Its `BecameHidden` handling is at
- `:2315`, `:2347`. **The 1.3 s tick-before-first-UP inversion is direct evidence
- this window was open ~40 physics quanta for the failing entity.**
-2. **Edge-trigger against a wrong `previousState`.**
- `src/AcDream.Core/Physics/RetailPhysicsStateTransition.cs:49-55` computes
- `hiddenChanged` from `previousState ^ requestedState`. `ConstructorState`
- (`:37-41`) deliberately excludes `Hidden`. A mismatched `previousState` makes
- the clearing edge read as "no change" and skips it, latching `Hidden`.
-
-**Corroboration withdrawn.** An earlier draft argued the 71 tick lines came from
-`TickHiddenEntities` and were therefore self-confirming for H1. §2.2 shows they
-came from the ordinary `Tick` path instead. H1 now rests entirely on the
-elimination argument in §3 plus the §6.1 walk-through test.
-
----
-
-## 5. H2 — park `Withdraw` tears down presentation state the rebucket never restores
-
-**This is a `7f1c1f5a` regression mechanism.**
-
-`7f1c1f5a` is the first commit that lets an *ordinary* remote `UpdatePosition`
-open a canonical `SetPosition` operation
-(`LiveEntityNetworkUpdateController.cs:1083-1088` →
-`src/AcDream.Runtime/Session/RuntimeRemotePlacementDriveController.cs:760-784`).
-Before it, the only remote placement path was `RemoteTeleportController` behind
-the `remotePlacementRequired` gate.
-
-When that placement parks (`src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs:2997`,
-`:3053`, `:3086` → `ParkDeferred:4418`), it publishes a `Withdraw` projection
-**synchronously** (`:4541-4545` →
-`src/AcDream.Runtime/Physics/RuntimePlacementProjectionSubscription.cs:136`).
-
-The production sink's withdrawal — `src/AcDream.App/World/RuntimePlacementPresentationSink.cs:195-224` — does:
-
-```csharp
-for (…) _visibilitySinks[i](record, false); // :202-207
-_worldState.RemoveById(entity.Id); // :209
-_worldEvents.ForgetEntity(entity.Id); // :212
-_effectPoses.Remove(entity.Id); // :215
-_clearSelectionForUnavailableEntity(…); // :222
-```
-
-Its mirror image `TryPublishPlace` (`:162-193`) is the **only** thing that
-re-adds `_worldState.Add` (`:168`), `_worldEvents.UpsertCurrent` (`:171`), and
-`_effectPoses.PublishMeshRefs` (`:174`).
-
-`RestoreParkWithdrawal` (`RuntimeSetPositionState.cs:3503-3552`) restores
-`InWorld`, the object clock, `FullCellId`, and the spatial root — and **by its
-own documented design restores none of the render side** (`:3494-3501`).
-Critically, its `SetFullCell` is a plain field write
-(`src/AcDream.Runtime/Entities/RuntimeEntityDirectory.cs:340-347`) that
-**bypasses `CommitCanonicalCell`**, so the `CellCommitted` →
-`RebucketLiveEntity` recovery at `LiveEntityRuntime.cs:3316` never fires.
-`TryAdoptWireCellAfterRouting` (`LiveEntityNetworkUpdateController.cs:1193-1194`)
-suppresses the one remaining same-packet re-commit on the NPC arm.
-
-The per-packet prologue rebucket restores `IsSpatiallyProjected`, the GPU bucket,
-`IsSpatiallyVisible`, and the visibility sinks — but **not** `_worldState`,
-`_worldEvents`, or `_effectPoses.PublishMeshRefs`. If mesh refs are among the
-casualties, `WbDrawDispatcher.cs:1163` (`if (entity.MeshRefs.Count == 0) continue;`)
-skips the entity **permanently**, which is exactly "never recovers".
-
-**Fit:** intermittent (only when a placement parks), never recovers (only a
-`Place` receipt or re-materialization restores it), physics healthy (Runtime
-state fully restored), enq lines present (rebucket succeeds).
-
-**NOT ESTABLISHED:** whether `_effectPoses.Remove` actually clears
-`entity.MeshRefs`, and whether the radar's candidate source
-(`GpuWorldState._loadedLiveByLandblock`, restored by the rebucket) or its
-`_visible` gate is affected. If neither kills the radar, H2 explains render-only
-and H1 remains the better fit for the combined symptom.
-
----
-
-## 6. Discriminating tests — run these first, they are cheap and decisive
-
-### 6.1 Walk into the invisible player (free, no code)
-
-`src/AcDream.App/Physics/LiveEntityShadowPublisher.cs:46-55` gates collision-shadow
-publication on `(record.FinalPhysicsState & PhysicsStateFlags.Hidden) == 0`.
-
-> **H1 predicts the observer walks THROUGH the invisible player.**
-> H2 predicts it is **solid** (Runtime spatial root and shadow rows intact after
-> the next placement).
-
-Also: `NoDraw` (`0x20`) suppresses render only — radar's `interactionVisible`
-does not test it. Since radar is also dead, if H1 holds the flag is `Hidden`.
-
-### 6.2 `ACDREAM_PROBE_PARK=1` (already shipped by `7f1c1f5a`)
-
-Emits `[park] guid=… cause=… eligible=… captured=…`
-(`RuntimeSetPositionState.cs:4466-4475`) and
-`[park-restore] guid=… residency=…` (`:3545-3551`).
-
-> **A `[park]` line for the failing guid ⇒ H2 live and `7f1c1f5a` implicated.**
-> **No `[park]` lines anywhere in the session ⇒ `7f1c1f5a` exonerated outright.**
-
-These two tests together resolve the regression question definitively.
-
----
-
-## 7. Regression verdict
-
-**Not settled by code reading alone — §6.2 settles it. Current position:**
-
-### 7.1 `204d0ae0` — no mechanism found
-
-Its `src/` files are `LiveEntityNetworkUpdateController.cs`,
-`InterpolationManager.cs`, `MotionTableDispatchSink.cs`, `PhysicsDiagnostics.cs`,
-`RuntimeRemotePhysicsUpdater.cs`, `RuntimeRemoteSteadyStatePosition.cs`. The
-commit primitives it routes through are pure body-state functions
-(`src/AcDream.Core/Physics/PhysicsObjUpdate.cs:153-179`, `:181-185`, `:209-248`)
-— no cell, no shadow registry, no `WorldEntity`, no bucket. It neither added nor
-removed a publication.
-
-**Residual, flagged not dismissed:** it deleted the per-tick forge of
-`Contact|OnWalkable` and the per-tick velocity zero and made gravity persistent,
-so a freshly created contact-free remote now **settles and moves during the
-pre-Position window** where it was previously pinned motionless. It also moved
-`Airborne` derivation inside `if (resolveResult.Ok && candidateMoved)`
-(`RuntimeRemotePhysicsUpdater.cs:536-537`, `:683`) and added a new `LeaveGround`
-re-entrancy early-exit (`:634-642`). These can plausibly **widen** a pre-existing
-window without creating it. NOT ESTABLISHED.
-
-### 7.2 `7f1c1f5a` — NOT exonerated
-
-The prior review's specific warning ("losing the rebucket leaves a remote without
-a draw bucket") is **refuted**: the prologue rebucket at `:1768` runs for every
-arm, before routing, and its diff hunk in `RuntimeEntityObjectLifetime.cs` is
-comment-only. `TryAdoptWireCellAfterRouting` suppresses only `remote.CellId` on
-the `FarSnapPlacement` arm, which the 46.4 m failing entity did not take at
-observation time.
-
-But §5 is a real, different mechanism that this commit introduced, and it
-produces precisely the reported signature. Note the recall shape fits: the remote
-was **far away before recalling**, so its pre-recall packets were ≥96 m and did
-take the far arm, where a park is reachable.
-
-### 7.3 The honest caveat
-
-Intermittency makes "it worked before" weak evidence. A pre-existing race that
-earlier gates never sampled remains fully consistent with everything observed —
-that is exactly what H1 would be. **Do not conclude regression from the timeline
-alone; conclude it from §6.2.**
-
----
-
-## 8. Capture plan for the next run
-
-### 8.1 Why new instrumentation is needed
-
-Verified by grep with zero hits in the owning files:
-
-| Capability | Existing probe? |
-| --- | --- |
-| Draw-bucket publication (`RebucketLiveEntity`/`CommitRebucket`) | **NONE** |
-| Render residency (`IsLiveEntityProjectionResident`/`IsLiveEntityVisible`) | **NONE** |
-| Radar registration | **NONE** |
-| Wire create/despawn (0xF745/0xF747) | **NONE** — `ACDREAM_DUMP_OPCODES` fires only for *unhandled* opcodes (`WorldSession.cs:1988-1995`); both are handled at `:1687-1700` |
-| Materialization | partial — `ACDREAM_DUMP_LIVE_SPAWNS` (`RuntimeOptions.cs:111`, `DatLiveEntityProjectionMaterializer.cs:149`) logs entry + two DROP paths, **no success line** |
-| Physics state / Hidden | `[setstate]` exists (`LiveEntityNetworkUpdateController.cs:1454-1456`) but is gated on `ACDREAM_PROBE_BUILDING`, an unrelated heavy BSP flag |
-| Parks | `ACDREAM_PROBE_PARK` — **exists and is exactly right for H2** |
-
-`ACDREAM_PROBE_ENT` is hard-wired to the local player's guid and cannot target a
-remote.
-
-### 8.2 Required properties
-
-Always-on for the whole entity lifetime — the failure is rare and must not
-require luck. Every line must carry the **server guid**: several render probes
-key on `WorldEntity.Id`, a `LocalEntityId` from
-`RuntimeEntityDirectory.FirstLocalEntityId = 1_000_000`, structurally unrelated
-to `0x50000001` and not greppable by guid.
-
-### 8.3 Proposed probe `ACDREAM_PROBE_VISGATE=1`
-
-One new diagnostic owner (Code Structure Rule 5):
-
-1. **`[vis-state]`** — every `FinalPhysicsState` mutation:
- `guid, prevState, requestedState, finalState, hiddenTransition, stateSeq, instSeq, accepted, droppedReason`.
- Must fire on **dropped and queued** updates naming the reason. *Settles H1.*
-2. **`[vis-present]`** — every `RefreshPresentation` (`LiveEntityRuntime.cs:3357`),
- changed-values-only:
- `guid, finalState, residenceVisible, isSpatiallyProjected, isSpatiallyVisible, projectionKind, fullCellId, meshRefCount, isDrawVisible, interactionVisible`.
- `meshRefCount` is the H2 discriminator.
-3. **`[vis-publish]`** — every `TryPublishPlace` / `TryPublishWithdrawal`
- (`RuntimePlacementPresentationSink.cs:162`, `:195`):
- `guid, kind(place|withdraw), worldState, worldEvents, effectPoses, sinkCount`.
- *Settles H2 directly.*
-4. **`[vis-residence]`** — initial-create residence lifecycle including every
- non-publishing executor arm (`RuntimeInitialCreateContinuationExecutor.cs:1015`,
- `:1022`, `:1028`, `:1045`, `:1048`, `:1108`). Measures the 1.3 s window.
-5. **`[vis-create]`** — accepted `CreateObject`/`DeleteObject`:
- `guid, opcode, instSeq, wireState, wireCell`.
-
-Also **re-gate the existing `[setstate]` line** off `ACDREAM_PROBE_BUILDING` onto
-the new flag so it is usable without the BSP dump.
-
-### 8.4 Protocol
-
-1. **Release** build, `ACDREAM_PROBE_PARK=1 ACDREAM_PROBE_VISGATE=1`
- `ACDREAM_PROBE_REMOTE_SLIDE=` (that family takes a per-guid allow-list,
- `PhysicsDiagnostics.cs:397-404`).
-2. Two clients; recall in/out until one fails.
-3. **On failure, before anything else: walk into the invisible player** (§6.1).
-4. Grep the failing guid. Verdict is mechanical:
- - `[vis-state] finalState` retains `0x4000` → **H1**; `droppedReason` +
- `[vis-residence]` name the drop site.
- - `[park]` present and `[vis-publish] kind=withdraw` with no later `place`,
- and `[vis-present] meshRefCount=0` → **H2**; `7f1c1f5a` implicated.
- - Neither → both refuted; re-scope to the render candidate stream.
-
----
-
-## 9. Proposed fix
-
-**Needs §6 first.** The failing stage is pinned (§2, §3); which of the two
-mechanisms fires is not, and they need different fixes. Guessing between them is
-what the workflow forbids.
-
-Shape, per branch:
-
-- **If H1:** fix the lost state update at its drop site. If the residence queue
- loses it, the non-`Released` executor arms must replay the queued state
- continuation or refuse the residence — adjacent to open **#310**, which shares
- the "executor arm that never completes" shape. If the edge-trigger is at fault,
- fix the caller supplying `previousState`; **do not change
- `RetailPhysicsStateTransitions.Apply`** — it is a faithful port of
- `CPhysicsObj::set_state` @0x00514DD0 / `set_hidden` @0x00514C60.
-- **If H2:** the asymmetry between `TryPublishWithdrawal` and `TryPublishPlace`
- is the bug. Either the park's `Withdraw` must not tear down presentation state
- the restore cannot rebuild, or `RestoreParkWithdrawal` must route its
- `SetFullCell` through `CommitCanonicalCell` so the existing `CellCommitted` →
- `RebucketLiveEntity` recovery (`LiveEntityRuntime.cs:3316`) fires. Blast radius:
- Runtime placement + the App presentation sink. Rollback for the introducing
- commit is `git revert 7f1c1f5aa6cd7842726d2edd909564d620eb587f`, but that also
- reverts C4 route 4b-2 wholesale — prefer the targeted fix.
-
-**Forbidden either way** (CLAUDE.md, and the digests' DO-NOT-RETRY tables): no
-"re-publish if invisible for N ms" guard, no periodic re-assert of
-`FinalPhysicsState`, no retry loop, no timer. "Never recovers" is a *symptom* of
-the lost update, not a defect to paper over.
-
-A **register row** (`docs/architecture/retail-divergence-register.md`) and a new
-`docs/ISSUES.md` entry are required. This is **not** covered by #309 — §2.1 rules
-out its canonical-residency mechanism.
-
----
-
-## 10. NOT ESTABLISHED
-
-1. **Whether the ordinary remote DR loop filters `Hidden`.** The tick lines are
- confirmed to come from the ordinary `Tick` path (§2.2), but the loop that
- drives it was not located. If it skips `Hidden` entities, **H1 is refuted
- outright** and H2 is the sole hypothesis. **Highest-value check; five minutes
- of source reading; do it before launching a client.**
-2. **Whether `Hidden` is set at all.** H1 is an elimination argument, not an
- observation. Settled by §6.1.
-3. **Whether a park occurred for this guid.** Settled by §6.2.
-4. **Whether `_effectPoses.Remove` clears `entity.MeshRefs`**, i.e. whether H2
- can kill render permanently.
-5. **Whether ACE sends Hidden→un-Hidden across a recall for a remote observer.**
- Not checked against `references/ACE/` (absent from this worktree; present in
- the parent repo). One grep before the run.
-6. **Whether `204d0ae0` widened the window** (§7.1).
-7. **Whether `LiveRenderProjectionJournal`
- (`src/AcDream.App/Rendering/Scene/LiveRenderProjectionJournal.cs:141`) drives a
- shipping draw call** or is a shadow scene.
-
-### Incidental findings (not the bug, worth filing)
-
-- **Stale comments:** `src/AcDream.App/World/LiveEntityRuntime.cs:1195` and
- `src/AcDream.App/World/RuntimePlacementPresentationSink.cs:74` both assert
- `PublishExecutorCompletion` has zero production callers.
- `src/AcDream.Runtime/Entities/RuntimeInitialCreateContinuationExecutor.cs:1092`
- **is** one. Pre-C3c-flip and actively misleading to this investigation.
-- **`TryAdoptWireCellAfterRouting`'s justification is incomplete.** Its comment
- (`LiveEntityNetworkUpdateController.cs:1160-1185`) argues the suppressed write
- "would have written the value that is already there". That holds for
- `Refused`/`Contention`/`RejectedPreparation`/`NotApplicable`, but **not** after
- a park, because `WithdrawCanonical` zeroes `record.FullCellId`
- (`RuntimeSetPositionState.cs:5082`) and `CommitCanonicalCell` early-returns only
- on equality (`RuntimePhysicsState.cs:2145-2146`).
-- **`RuntimeRemotePhysicsUpdater`'s `acknowledgeProjection` seam is inert** —
- every production call site passes `null`.
-
----
-
-## 11. DO-NOT-RETRY compliance
-
-Checked against `claude-memory/project_render_pipeline_digest.md` and
-`claude-memory/project_physics_collision_digest.md`:
-
-- No symptom-site guard, retry, timer, or settle period is proposed.
-- The #168 `_pendingByLandblock` / `RelocateEntity` family
- (`feedback_streaming_residence_race`) is **positively excluded** by §2.1 — the
- recovery path exists and provably ran every packet.
-- `feedback_no_placeholder_racing_real_data` (#192) honoured: the proposal fixes
- the lost update / asymmetric teardown, not a correlated lifecycle proxy.
-- No change proposed to AP-87's threshold, `InterpolationManager`'s
- `node_fail_counter` snap-to-tail, or the `calc_friction`/jump chains.
-- `feedback_probe_identity_attribution`: every proposed probe line carries the
- server guid — which is why §8.2 rejects the `WorldEntity.Id`-keyed render probes.
-- `feedback_verify_subagent_claims_against_source`: every load-bearing claim here
- was read at the cited `file:line`; §2.2 records one claim withdrawn on
- re-verification.
diff --git a/docs/research/2026-08-04-onposition-collapse-contract.md b/docs/research/2026-08-04-onposition-collapse-contract.md
deleted file mode 100644
index bf2d4772..00000000
--- a/docs/research/2026-08-04-onposition-collapse-contract.md
+++ /dev/null
@@ -1,561 +0,0 @@
-# OnPosition remote-tail collapse — pinned contract (2026-08-04)
-
-**Scope:** collapse the two parallel inline copies of the remote-position
-routing tail in
-`src/AcDream.App/Physics/LiveEntityNetworkUpdateController.OnPosition` — the
-player-guid copy (`IsPlayerGuid(update.Guid)`, `:2264-2679` at HEAD) and the
-NPC-guid copy (`:2681-2951`) — into one guid-blind routing path. **This is a
-behaviour-preserving refactor.** Pinned at HEAD `b260bcd1`, clean tree, branch
-`claude/acdream-physics-divergence-5aa784`.
-
-**Line numbers in this contract are as-of `b260bcd1` and WILL go stale the
-moment the collapse starts. Every citation also names the symbol or the
-comment banner; trust the symbol.** (Process rule 6 — line ranges went stale
-twice within single review rounds during 4b-2/4b-3.)
-
-Predecessor documents, all binding where they still apply:
-- [`2026-08-04-c4-route-4b-3-contract.md`](2026-08-04-c4-route-4b-3-contract.md)
- — its 13 "must REMAIN true" invariants carry forward (§6 below).
-- [`2026-08-04-c4-route-4b-3-retail-review.md`](2026-08-04-c4-route-4b-3-retail-review.md)
- / [`-round2.md`](2026-08-04-c4-route-4b-3-retail-review-round2.md) and
- [`2026-08-04-c4-route-4b-3-architecture-review.md`](2026-08-04-c4-route-4b-3-architecture-review.md)
- / [`-round2.md`](2026-08-04-c4-route-4b-3-architecture-review-round2.md) —
- round 2's call-site-by-call-site verification of `RunRemoteArmTail` and
- `ApplyWireAirborneLeftoverBookkeeping` is the starting map and the method
- template for §5.
-- [`2026-08-04-session-handoff-c4-remaining.md`](2026-08-04-session-handoff-c4-remaining.md)
- — the six process rules apply verbatim.
-
-## 1. Why this exists
-
-Retail's `CPhysicsObj::MoveOrTeleport` @0x00516330 has **zero player/NPC
-branching** — verified independently in
-`docs/research/named-retail/acclient_2013_pseudo_c.txt` by the 4b-3 retail
-review (round 1, Part 1) and re-confirmed for this contract: it branches on
-the body's own cell (`this_1->cell == 0` @0x00516386), TELEPORT_TS
-(`newer_event` @0x00516375), `player_distance` (@0x005163AF/@0x005163C1), and
-the wire contact argument (`arg4` @0x0051638E) — never on what KIND of object
-it is. The only kind-branch in the whole retail chain is
-`SmartBox::HandleReceivedPosition` @0x00453FD0's `arg2 == this->player`
-(@0x0045414D) — **local player vs everything else**, never remote-player vs
-remote-NPC. acdream's two copies are therefore an architecture artifact, not
-a retail port.
-
-The cost is documented history, not speculation. In route 4b-3's first review
-round, THREE of five MAJOR findings were this duplication: **R1** (the D2
-wire-airborne return-0 shape implemented on the player copy only, with a
-register row asserting otherwise), **R3/A2** (the player copy's teleport block
-returns above its synth-velocity code; the NPC copy had no such boundary, so a
-teleported NPC installed a ~1,000 m/s synthesized velocity and sprinted in
-place), and **A1** (`ToConstraintArm` written against the player copy's
-reality — which provably never produces `AirborneSnap` — and wrong for the NPC
-copy, which can, silently dropping the leash to zero arms). An implementer
-also sabotaged one copy and watched tests stay green because coverage hit the
-other. The route 4b-3 fix round extracted two shared helpers
-(`RunRemoteArmTail`, 3 call sites; `ApplyWireAirborneLeftoverBookkeeping`,
-2 call sites) as a partial fix. **This slice is the remaining collapse.**
-
-## 2. Complete behavioural-difference inventory
-
-Every difference between the two copies at `b260bcd1`, walked top to bottom.
-Categories: **(a)** genuine, justified difference that must survive (with the
-justification); **(b)** proven-equivalent copy-shape difference — unify, with
-the equivalence proof stated per §5; **(c)** unknown — evidence required
-before either unifying or preserving. **A difference missed here is a silent
-behaviour change; the implementer must re-walk both copies against this table
-before writing code and STOP if they find a row this table lacks** (§10 stop
-condition 3).
-
-The shared prologue (observation tracker, `RemoteMotion` get-or-create +
-seed + `SeedRemoteSpawnPlacement`, `TryCommitAuthoritativeVelocity`, the
-`[remote-slide-up]` probe, `RebucketLiveEntity`, classification,
-`TryApplyGenericRemoteRenderPose`) is already shared and is NOT part of this
-inventory. `SeedRemoteSpawnPlacement`'s guid-driven mover flags
-(`IsPlayer | EdgeSlide` vs `EdgeSlide`) are per-object data retail itself
-carries on OBJECTINFO and are already in the correct data-driven shape — out
-of scope.
-
-| # | difference | player copy | NPC copy | category |
-|---|---|---|---|---|
-| 1 | Teleport dispatch shape | dedicated pre-routing block (`OwnsTeleportPlacement` check → `RunRemoteArmTail` → arm → tail → return, `:2340-2378`) | rides the common routing (D5 inside `ApplyRemoteContactRouting`), with `isTeleportRoute` exclusions sprinkled (D2 conjunct `:2727`, synth gate `:2751`, cycle gate `:2896`, sticky-gate widening `:2804`) | **(b)** — outcome-equivalence verified call-site-by-call-site by the round-2 architecture review Part 1; unify on the in-routing shape (§3) |
-| 2 | Landing-family decision site | the LANDING TRANSITION block (`!rmState.Body.InContact` pre-routing, `:2454-2552`), which is what makes `playerArm` provably never `AirborneSnap` (round-2 architecture review, "LANDING TRANSITION block" section) | `ApplyRemoteContactRouting`'s free-flight carve-out (`!remote.Body.InContact` → `AirborneSnap`, `:1177-1204`) plus the shared tail | structural container for 2a-2d; the decision itself (hard-snap, arm `NearInterpolate`) is equivalent — `ToConstraintArm(AirborneSnap) => NearInterpolate` is the A1 fix and equals the landing block's hard-coded arm |
-| 2a | Interp queue clear at landing | `rmState.Interp.Clear()` at packet time (`:2456`) | deliberately NOT cleared — the carve-out's own comment ("queue deliberately NOT cleared … clearing stale waypoints is owned by the per-tick LANDING detection", AP-139) forbids restating "already empty" | **(c)** — see §2.1 |
-| 2b | Collision-shadow publish at landing | **NOT published** — the landing block returns at `:2551` without `LiveEntityShadowPublisher.TryPublishRemote` (grep: publishes exist at `:2366`, `:2667`, `:2940` only) | published — `AirborneSnap` falls through to the NPC tail's publish (`:2940`) | **(c), suspected pre-existing defect on the player copy** — see §2.2. **New finding: no 4b-3 review flagged this.** |
-| 2c | `EnsureRemoteMotionBindings` at landing | called (`:2499-2503`, "the motion bindings still have to exist before the next per-tick commit can dispatch this remote's ground edge") | never called on the OnPosition path (NPC bindings come from UM dispatch / `OnVector`) | **(c)** — see §2.3 |
-| 2d | `[remote-landing]` probes (`site: "controller"`) | emitted (`:2514-2550`) | not emitted | **(b)** — diagnostic-only (TEMPORARY family, #32 investigation); carry to the unified landing arm for all guids, or accept NPC lines appearing. Not behaviour. |
-| 3 | Wire-cell adopt ordering | `rmState.CellId = p.LandblockId` unconditionally BEFORE routing (`:2279`, AP-135 comment) | adopted AFTER routing via `TryAdoptWireCellAfterRouting` (`:2886`), suppressed for the two placement arms | **(b)** with a proof obligation — see §2.4 |
-| 4 | `LastServerPos`/`LastServerPosTime` sample timing | sampled BEFORE routing, inside the diagnostic roll-forward block (`:2306-2310` — the writes are unconditional; only the print is env-gated) | sampled AFTER routing (`:2893-2894`) | **(c)** — see §2.5 (the `firstUp` hint in `ApplyInterpolate` reads this) |
-| 5 | `PrevServerPos`/`PrevServerPosTime` roll + `MaxRootMotionSpeedSinceLastUP` reset | player-only (`:2306-2308`), feeds the `[VEL_DIAG]` pace comparison and difference 6 | absent | **(b)** — diagnostic-feeding state; keep as an explicitly-diagnostic step (its only non-diag consumer is difference 6, which is deleted) |
-| 6 | Post-routing synth-velocity install | grounded-routing tail only (`:2618-2628`): synth from the `Prev` pair, never `update.Velocity`, no else-clear; comment says "for diagnostics" | pre-routing (`:2751-2770`): `update.Velocity` preferred, else `LastServerPos` delta, else zero/false; gated `!isTeleportRoute` | **(b)** — the player install is **write-only state**: `rm.ServerVelocity`/`HasServerVelocity` production readers are exactly two, both player-excluded (`RemoteServerControlledVelocityCycle.Apply` internal `IsPlayerGuid` return; `RuntimeRemotePhysicsUpdater.cs:198` `!IsPlayerGuid` watchdog — reader enumeration done for this contract, grep `\.HasServerVelocity\|\.ServerVelocity` in `src/`). Delete the player install; the NPC formula becomes the single site. For player guids the unified formula writes values nothing reads — state-different, observably identical; the proof is the reader enumeration, restated in the implementation commit. |
-| 7 | Velocity-cycle apply (`RemoteServerControlledVelocityCycle.Apply`) | not called (returns before reaching NPC section) | called (`:2896-2927`), gated `!isTeleportRoute && HasServerVelocity && !snapSuppressedByStick && ae exists` | **(a)** — survives via the helper's own internal `IsPlayerGuid` early return (`RemoteServerControlledVelocityCycle.cs:27-48`, AP-80 row + DEV-2: retail has NO pace-derived cycle refinement anywhere; the NPC half is a recorded acdream adaptation, the player exclusion is the retail-faithful half). The unified path calls it for all remotes; the internal data-driven guard carries the distinction. Provably identical: the guard exists and is first-class, not incidental. |
-| 8 | TS-44 sticky suppression (`snapSuppressedByStick`) | absent | gates routing (`:2787-2840`), widened `\|\| isTeleportRoute`; arm site deliberately OUTSIDE the gate | **(a)** — the ONE named difference that survives the collapse. NOT vacuous for players: `LiveEntityMotionRuntimeController.StickToObjectFromWire` (`:342-353`, retail `stick_to_object` 0x005127e0, the mt-0 wire sticky trailer) can arm sticky on ANY remote host, player remotes included. Applying the gate uniformly would be a behaviour change for a stuck remote player (toward retail, whose `adjust_offset`-chain sticky overwrite is guid-blind — but that is TS-44's own recorded divergence to retire on its own evidence, not this slice's). Preserve as an explicit, named, commented gate applied to non-player guids only; the TS-44 register row already describes exactly this ("an NPC-only steady-state gate") and stays true. |
-| 9 | Arm-call structure | three arm sites (teleport tail `:2355`, landing block `:2477`, grounded tail `:2606`) | one arm site (`:2854`), outside the sticky gate; `npcArm` initialised `UnroutedCatchUp` so a **sticky-suppressed packet still arms** (comment `:2842-2853`: retail's leash is independent of the acdream-only suppression) | **(b)** — one post-routing arm site in the unified tail; partition (D4 table) already proven identical by round-2 retail review §1. MUST preserve: sticky-suppressed-still-arms (with `UnroutedCatchUp`), guard-before-arm (R5), AP-138(3)'s one-packet unarmed residual on superseded incarnations. |
-| 10 | D2 wire-airborne gate conjunct | `!update.IsGrounded` alone (`:2380` — teleport already returned above, conjunct structurally inert) | `!update.IsGrounded && !isTeleportRoute` (`:2727`) | **(b)** — trivially equivalent once dispatch shape (row 1) is unified; the unified gate keeps the explicit conjunct (positive exclusion, the R3-fix principle) |
-| 11 | `AirborneNoOperation` return shape | bare `return` (`:2323-2327` — bookkeeping already written by rows 3/4's pre-writes) | writes `CellId`/`LastServerPos`/`LastServerPosTime` then returns (`:2702-2709`) | **(b)** — same observable outcome (AP-135's writes happen exactly once either way); the unified path writes them at the return via the existing helper |
-| 12 | Wall-clock capture | multiple independent `DateTime.UtcNow` reads (`:2287`, `:2404`) | one `now` captured in the shared prologue, `nowSec` derived once (`:2681`) | **(b)** — microsecond-scale timestamp skew in acdream-only bookkeeping/diagnostics; unify on one capture (R9 already ruled the duplicate-write concern a clarity issue) |
-| 13 | Entity-sync + shadow-publish tail | two inline copies (`:2363-2376` teleport, `:2664-2677` grounded) | third inline copy (`:2937-2950`) | **(b)** — byte-equivalent triplet (`entity.SetPosition(body.Position)`; `ParentCellId = rmState.CellId`; `Rotation = body.Orientation`; `TryPublishRemote(...)`); dedup into one helper/tail. The landing block's PARTIAL tail (sync without publish) is row 2b, not this row. |
-| 14 | `RemoteServerControlledVelocityCycle.Apply`'s internal `0x50xxxxxx` early return | (helper-internal, not a branch copy) | (same) | **(a)** — already correctly placed as data-driven logic in the helper; the collapse makes it the ONLY carrier of the player/NPC animation distinction. Do not move, do not "simplify" — its doc block is the DEV-2 evidence chain. |
-
-**Guid ranges, load-bearing for tests:** `IsPlayerGuid` is
-`(guid & 0xFF000000) == 0x50000000` (`:158-159`). The connected-gate evidence
-in the 4b-3 contract confirms creatures arrive as `0x8xxxxxxx`. Every
-dual-guid test in §5 uses one guid from each range.
-
-### 2.1 Row 2a — the landing interp-queue clear (c)
-
-The two copies contradict each other's comments for the same scenario
-(wire-grounded packet, body not in contact). The carve-out's comment
-explicitly warns a reader who believes the queue is empty could delete
-AP-139's per-tick landing clear; the player block clears at packet time with
-its own rationale ("pre-arc waypoints are stale").
-
-**Equivalence hypothesis to prove or refute:** between the packet and the
-next DR tick, a populated queue on a not-in-contact body is inert — retail's
-`InterpolationManager::adjust_offset` @0x00555D30 gates its entire body on
-`CONTACT_TS` (the AP-140 retirement evidence, comment at `:1154-1176`), and
-acdream's per-tick walk honours the same gate — and the tick that derives
-contact fires AP-139's clear on the `!previousOnWalkable && finalOnWalkable`
-edge **before** any queue walk in that same tick. If both halves hold, the
-clear-vs-no-clear difference is unobservable and the unified landing arm
-adopts the NO-clear shape (the one with the register row and the do-not-restate
-warning). If either half fails — e.g. the per-tick order walks the queue
-before the landing clear — the difference is live; STOP, report, and preserve
-the player clear as an explicit landing-arm step for BOTH guids only if the
-evidence shows the clear is the correct behaviour (that would be a
-behaviour change on the NPC arm and needs its own justification + test —
-split-on-discovery, process rule 2).
-
-### 2.2 Row 2b — the landing shadow publish (c, suspected player-copy defect)
-
-The #184 Slice 2b design comments in this very file (`:2090-2100`,
-`:2655-2663`) state the design as "player shadows now follow the RESOLVED
-body — via the DR-tick loop … and the player UP-branch tail below … exactly
-like NPCs" and "this keeps collision == render for the first UP". The landing
-block hard-moves the body and syncs the render entity but does NOT publish
-the shadow, leaving collision ≠ render for up to one DR tick — against the
-file's own stated design. The NPC copy publishes on the same scenario.
-
-**Resolution path:** this looks like a pre-existing oversight in the player
-copy, not a justified difference. Per process rule 2 (split on discovery), if
-investigation confirms it: fix it as its **own commit** (add the publish to
-the landing block, with a dual-guid test asserting shadow-follows-body after
-a landing packet for both guid ranges) BEFORE the collapse commit, so the
-collapse itself stays behaviour-identical and the fix is separately
-revertible. If investigation instead finds a deliberate reason the player
-landing must not publish (none is written down anywhere — check
-`LiveEntityShadowPublisher.TryPublishRemote`'s own gates first), preserve it
-as a named difference with a new register row (register rule 1). Do not fold
-the change silently into the collapse either way.
-
-### 2.3 Row 2c — landing bindings (c)
-
-`EnsureRemoteMotionBindings` at landing exists so the next per-tick commit
-can dispatch the ground edge (`HitGround` via `set_on_walkable`, Bug B). For
-the NPC copy, bindings normally exist already (every UM dispatch and every
-`OnVector` jump ensures them), but "normally" is not "provably": enumerate
-whether an NPC can reach the landing scenario with no prior UM/vector (e.g.
-spawned airborne, first packet is the landing UP). If yes, the NPC copy has a
-latent missing-bindings gap and the unified landing arm ensures bindings for
-all guids (a strictly-additive, idempotent call — verify idempotence in
-`LiveEntityMotionRuntimeController.EnsureRemoteMotionBindings` before
-claiming it). If no, the call is player-load-bearing only and unifying on
-"always ensure" is still safe by idempotence — prefer that, stating the
-argument. This row should resolve to (b) with a short proof; it is (c) only
-until the idempotence + reachability walk is written down.
-
-### 2.4 Row 3 — wire-cell adopt ordering (b), proof obligation
-
-The player pre-write and the NPC post-adopt end at the same value on every
-path: placement arms overwrite `remote.CellId` with the resolved cell
-(`RuntimeSetPositionState.cs:5013`), non-placement arms adopt the wire cell
-(player: pre-write; NPC: `TryAdoptWireCellAfterRouting`, which adopts for
-`AirborneSnap`/`SteadyStateInterpolate`/`UnroutedCatchUp`), and the D2/no-op
-early returns write it through the helper. The residual question is whether
-anything READS `remote.CellId` **inside the synchronous routing window**
-where the two orderings differ. Traced for this contract:
-
-- the constraint anchor does NOT — `ArmConstraintAfterOperation` reads
- `host.Position`, and the remote host's `getPosition`
- (`LiveEntityMotionRuntimeController.cs:167-170`) builds it from
- `hostRecord.FullCellId` (committed by the shared prologue's
- `RebucketLiveEntity`, or by the placement) — never `rm.CellId`;
-- `ApplyInterpolate`, the free-flight carve-out, and
- `WillAdvanceRemoteMotion` do not read it;
-- the tails read it AFTER the adopt on both copies today.
-
-The implementer re-verifies this reader enumeration at implementation time
-(one grep + walk, stated in the commit), then unifies on the NPC shape
-(post-routing, arm-suppressed adopt — it is the one with the documented
-suppression rule) with the early-return paths writing via the helper.
-
-### 2.5 Row 4 — sample timing and `firstUp` (c)
-
-`ApplyInterpolate`'s AP-87 backstop reads
-`firstUp = remote.LastServerPosTime <= 0.0`
-(`RuntimeRemoteSteadyStatePosition.cs:138`), and its own doc states the
-asymmetry: the player caller stamps before routing, so `firstUp` is
-"structurally false there". Unifying on post-routing sampling makes a player
-remote's genuine first UP evaluate `firstUp == true` → forced `Snapped`
-instead of possibly `Enqueued`.
-
-**Equivalence hypothesis:** on a genuine first UP the `RemoteMotion` was
-created this same packet with `Body.Position = worldPos` (the creation branch
-`:2144-2171`), so `bodyToTarget == 0` and `Snapped` vs `Enqueued` differ only
-in (i) clearing an already-empty queue and (ii) `Enqueue`'s possible
-immediate-orientation return vs the snap's direct orientation write — both
-ending at the same orientation for a zero-distance target. Also enumerate the
-non-creation `firstUp` producers (a UM's locomotion-entry refresh stamps
-`LastServerPosTime` in `OnMotion`, making `firstUp` false before the first UP
-— both copies inherit that identically). If the hypothesis survives the walk,
-unify on ONE post-routing sample (row 4 → (b)) and keep the player diagnostic
-roll-forward reading the OLD value before the sample point. If it does not,
-preserve the pre-routing stamp as an explicit named step and record why. Do
-not hand-wave the `Enqueue` immediate-orientation subtlety — read
-`InterpolationManager.Enqueue` before claiming equivalence.
-
-## 3. Target shape
-
-One remote routing tail, zero `IsPlayerGuid` branching in `OnPosition`'s
-remote section except the single named survivor:
-
-```
-shared prologue (unchanged) // tracker, get-or-create+seed,
- // velocity install, rebucket,
- // classification, generic pose
-if IsAirborneNoOperation(route):
- ApplyWireAirborneLeftoverBookkeeping(...) // row 11 unified shape
- return
-isTeleportRoute = OwnsTeleportPlacement(route)
-if !update.IsGrounded && !isTeleportRoute: // D2, one site (row 10)
- ApplyWireAirborneLeftoverBookkeeping(...)
- return
-[NPC-only, row 8 — THE named survivor]
- snapSuppressedByStick = ... (non-player guids only, unchanged predicate)
-if !snapSuppressedByStick || isTeleportRoute:
- routing = RunRemoteArmTail(...) // teleport decided INSIDE
- if routing is null: return // routing (row 1); landing
- arm = routing.Arm // family = AirborneSnap arm
- // (row 2), incl. its resolved
- // 2a/2b/2c steps
-else: arm = UnroutedCatchUp // sticky-suppressed still arms
-TryArmConstraintAfterOperation(ToConstraintArm(arm), rmState) // ONE site (row 9)
-TryAdoptWireCellAfterRouting(rmState, arm, p.LandblockId) // ONE site (row 3)
-one post-routing LastServerPos/Time sample // row 4 resolution
-if !isTeleportRoute: synth-velocity install // row 6: NPC formula, all guids
-if !isTeleportRoute && HasServerVelocity && !snapSuppressedByStick && ae:
- RemoteServerControlledVelocityCycle.Apply(...) // row 7: internal guid guard
-one entity-sync + shadow-publish tail // row 13
-```
-
-The teleport arm needs no dedicated pre-block: `ApplyRemoteContactRouting`
-already dispatches it first (D5), and the post-routing steps are all either
-teleport-suppressed by existing predicates (`TryAdoptWireCellAfterRouting`,
-the two `!isTeleportRoute` gates) or teleport-correct (the arm partition, the
-tail sync from the resolved body — invariant 2). The landing family
-dissolves into the `AirborneSnap` arm: `ToConstraintArm(AirborneSnap) =>
-NearInterpolate` (the A1 fix) already produces the landing block's exact arm
-value, and rows 2a-2d state how each remaining landing-block extra resolves.
-
-**Surviving differences: exactly one branch (row 8, TS-44 sticky gate,
-non-player guids), plus two data-driven distinctions that live inside helpers
-and involve no branching in `OnPosition`** — row 7/14's
-`RemoteServerControlledVelocityCycle.Apply` internal player return (AP-80 /
-DEV-2) and the shared prologue's `SeedRemoteSpawnPlacement` mover flags.
-Anything else surviving means a (c) row resolved to "preserve" — each such
-outcome must be reported, not silently kept.
-
-Whether the unified tail lives as a private method on the controller or
-inline in `OnPosition` is the implementer's choice; what is pinned is ONE
-copy, the step order above, and that `ApplyRemoteContactRouting`,
-`RunRemoteArmTail`, `ToConstraintArm`, `TryArmConstraintAfterOperation`,
-`TryAdoptWireCellAfterRouting`, and `ApplyWireAirborneLeftoverBookkeeping`
-keep their current semantics unchanged (their internals are NOT in scope —
-they were verified twice in round 2).
-
-## 4. Behaviour-preservation strategy
-
-This is a refactor: **every row of §2 is either preserved with its stated
-justification or unified with its stated proof — never silently merged.**
-Concretely:
-
-1. **Characterisation first.** Before touching production code, write the
- dual-guid matrix tests of §5 against the CURRENT code and confirm they
- pass, encoding today's behaviour — including the known asymmetries (rows
- 2b, 8) asserted AS asymmetries where they exist today. These tests are the
- refactor's referee.
-2. **Per-row disposition in the commit message.** The implementation commit
- carries a conformance section listing every §2 row and its outcome:
- `(a) preserved — `, `(b) unified — `, or
- `(c) resolved to (a)/(b) — `. The round-2 architecture review's
- Part 1 (call-site table: pre-fix sequence, post-fix sequence, verdict,
- what-was-checked-for-and-not-found) is the format to follow.
-3. **(c) rows resolve before merge.** A (c) row that cannot be resolved to
- proven-equivalent without changing behaviour is PRESERVED as an explicit
- named difference and reported — this slice never ships a behaviour change
- (§7). A (c) row that turns out to be a pre-existing defect (2b is the
- prime suspect) is fixed in its own commit per process rule 2, with its own
- test, before the collapse commit.
-4. **No helper-internal edits.** If the collapse seems to require changing
- `ApplyRemoteContactRouting` / `RuntimeRemoteSteadyStatePosition` /
- `RuntimeRemoteFarSnapPosition` / classifier internals, stop — that is a
- scope breach, not a refactor step.
-5. **Comment hygiene** (process rule 6): every comment inside the collapsed
- region is re-verified against the code beside it; the comments that
- NARRATE the duplication ("the SAME shared entry point the NPC arm below
- calls", "mirror of the player-remote arm above", `RunRemoteArmTail`'s
- three-copies rationale, `ApplyWireAirborneLeftoverBookkeeping`'s
- "shared by both remote branches" paragraph, `ApplyRemoteContactRouting`'s
- "the two callers stay one decision") are rewritten for the one-path world.
- Symbol references over line numbers, always.
-
-## 5. Test strategy — the one that would have caught the 4b-3 defects
-
-The 4b-3 defects survived because every test drove ONE copy. The antidote is
-structural: **every scenario test in this slice is a `[Theory]` parameterised
-on guid — one `0x50xxxxxx` player-range guid, one `0x8xxxxxxx`
-creature-range guid — running the identical packet sequence through
-`OnPosition` and asserting on the full observable surface.** After the
-collapse there is one path, so this is cheap; the point is it STAYS a theory
-so a future re-divergence (a guid-gated edit to the unified tail) fails a
-test instead of hiding.
-
-Scenario matrix (each × both guids):
-
-1. **Teleport commit** (TELEPORT_TS advance, in-view destination): body and
- entity at resolved destination, hook ran (moveto cancelled, stick
- released, interp queue empty), leash armed exactly once post-operation,
- shadow published, **sequencer cycle unchanged and
- `HasServerVelocity == false`** (the R3/A2 assertion — for BOTH guids;
- pre-collapse this was true for players by control flow and for NPCs by
- the `!isTeleportRoute` gate; post-collapse one mechanism must serve both).
-2. **Landing packet** (wire grounded, body not in contact): body snapped to
- wire pose, entity synced, armed exactly once (the A1 assertion —
- `PositionManager.Constraint` null → non-null, the round-2-verified
- direct-proof observable), plus the resolved 2a/2b/2c outcomes (queue
- state, shadow state, bindings state) as pinned by their (c) resolutions.
-3. **Wire-airborne, null-classified** (login-window shape): exactly AP-135's
- bookkeeping (`CellId`, `LastServerPos`, `LastServerPosTime` — assert the
- writes HAPPENED, the round-2 B1 gap, not only that nothing else did),
- no body/queue/render/shadow write, no arm (the R1 assertion).
-4. **Airborne no-op** (`NoPositionOperation`): AP-135 writes only, no arm.
-5. **Near interpolate** (grounded, < 96 m, body in contact): enqueued (or
- AP-87-snapped per its three conditions), armed exactly once.
-6. **Far snap** (grounded, >= 96 m): placement executed, armed on every
- placement outcome, wire-cell adopt suppressed.
-7. **Sticky-suppressed steady-state** (NPC guid: sticky armed, near packet):
- no snap/enqueue, but STILL armed once with `UnroutedCatchUp`. Player-guid
- half of this theory asserts the CURRENT player behaviour (gate absent →
- routing runs) — this is row 8's asymmetry, asserted explicitly as the
- named difference so it is recorded in test, not hidden.
-8. **NPC velocity-cycle** (grounded packet with synthesizable velocity):
- creature guid gets a planned cycle; player guid's sequencer is untouched
- (row 7/14's data-driven distinction, asserted as the intended difference).
-
-Assertion surface per scenario (assert ALL, not a subset — process rule 4,
-#312's lesson): `rmState.Body.Position/Orientation`, `entity.Position`/
-`ParentCellId`/`Rotation`, shadow entries (`AllEntriesForDebug`),
-`Interp` queue depth, `PositionManager.Constraint` (arm count via
-null→non-null, or a counting seam if a packet can legally arm twice — it
-cannot: D4), `rmState.CellId`, `LastServerPos`/`LastServerPosTime`,
-`ServerVelocity`/`HasServerVelocity`, sequencer style/motion.
-
-**Sabotage check (manual, once, before the collapse commit is finalised):**
-re-run the 4b-3 experiment — introduce a deliberate defect into the unified
-tail (e.g. skip the arm call) and confirm BOTH guid halves of the matrix
-fail. If only one fails, the matrix has a per-guid hole; fix the test, not
-the sabotage.
-
-Existing tests: the three round-2 App tests
-(`NpcAirborneSnap_LandingPacket_StillArmsTheLeash`,
-`NpcTeleport_DoesNotInstallASynthesizedVelocity`,
-`NullClassifiedNpc_WireAirbornePacket_WritesOnlyBookkeepingNoBodyOrShadow`)
-are absorbed into the matrix as the creature-guid halves of scenarios 2/1/3 —
-extended, not deleted. `LiveEntityNetworkRemoteTeleportPresentationTests`
-and the Runtime teleport suites are untouched.
-
-## 6. What must remain true
-
-The 4b-3 contract's invariants bind unchanged; restated here as they apply to
-this slice, plus the collapse-specific ones:
-
-1. **The pose still advances on every refusal** — teleport/far placements
- that never reach the engine still commit the accepted destination through
- the `StoresAcceptedDestination` partition; `Deferred`/`RejectedByPlacement`
- still do not. (Runtime-side; this slice must simply not perturb the call.)
-2. **Presentation still syncs** — every arm that moves the body syncs the
- render entity from the RESOLVED body and publishes the shadow (subject to
- row 2b's resolution); a remote is never left rendered a packet behind its
- body (#312's layer).
-3. **The entity stays in-world** on every outcome: `InWorld`, clock active,
- `FullCellId != 0`, spatial projection intact.
-4. **The leash arms exactly once per accepted packet per the D4 partition** —
- never zero (A1's class), never twice; sticky-suppressed still arms;
- guard-before-arm on the re-entrant arms (R5); AP-138(3)'s superseded-
- incarnation residual unchanged.
-5. **AP-135's two writes survive on every early-return path** (the
- register row stays).
-6. **The per-packet prologue runs for every classification**: generic render
- pose (gate `OwnsSteadyState`, unchanged), `RebucketLiveEntity`, the
- `TryCommitAuthoritativeVelocity` install, currency re-validation chain.
-7. **Teleport semantics unchanged**: hook before placement, hook regardless
- of outcome, queue cleared by the hook not the route flag, no velocity
- write on the teleport arm, sticky does not suppress it, decided ahead of
- every contact carve-out (D5).
-8. **AP-87's snap conditions, AP-139's landing clear, and AP-140's
- contact-not-walkability routing are untouched** (their owners are outside
- this slice's edit surface; rows 2a/4 touch only their CALLERS' timing and
- must prove equivalence first).
-9. **`ApplyRemoteContactRouting`'s `AirborneNoOperation` throw stays
- unreachable** — both early returns (now one) still precede routing.
-10. **The local-player paths are untouched**: force-position block, F751
- `OfferDestination` tail, streaming observer, projectile short-circuit —
- everything above the remote section and the `update.Guid ==
- _playerServerGuid` filter semantics.
-
-## 7. Explicit non-goals
-
-- **No behaviour change.** Any (c) row resolving to "the difference is real
- and one side is wrong" becomes its own separately-committed, separately-
- tested fix (2b's suspected missing publish) or is preserved and reported —
- the collapse commit itself is behaviour-identical by the §5 matrix.
-- **No register-row retirement.** AP-135, AP-137, AP-138, AP-87, TS-44, the
- AP-80 adaptation — all stay. Row TEXT may be touched only to repoint
- citations at moved/renamed symbols (bookkeeping, same commit), never to
- change what a row claims.
-- **No absorption of C4 route 5 (projectile) or route 7 (pickup/parent).**
- Route 5 will add its arm against the collapsed single path — that is the
- payoff, not the scope. `OwnsPlacement` keeps excluding
- `ProjectileAuthoritative`.
-- **No edits inside** `ApplyRemoteContactRouting`, the classifier,
- `RuntimeRemoteSteadyStatePosition`, `RuntimeRemoteFarSnapPosition`,
- `RuntimeRemotePlacementDriveController`, `RemoteTeleportHook`, or
- `RemoteServerControlledVelocityCycle` — except comment repointing.
-- **No probe deletions.** The TEMPORARY families (`REMOTE_LANDING`,
- `REMOTE_SLIDE`, `REMOTE_TELEPORT`, sticky) move with their code; stripping
- them is the physics-settling cleanup, not this slice.
-- **No OnMotion/OnVector/OnState changes** beyond comment repointing if a
- cited symbol moves.
-
-## 8. #315 — recommendation: fix it in this slice, as its own commit
-
-#315 records the per-packet `Func` closure allocation at the three
-`RunRemoteArmTail` call sites; its root cause is
-`ApplyRemoteContactRouting`'s `Func` parameter, and its acceptance
-criterion is "the call sites do not allocate a fresh delegate per packet."
-
-**Fix it here.** The collapse converges the three call sites into one and
-redesigns exactly the seam (`RunRemoteArmTail`'s signature and its
-`isCurrentPositionOwner` plumbing) the fix must touch; a standalone #315
-session afterwards would rewrite the same lines a second time, and route 5 is
-about to add its arm against whichever shape exists. Both round-2 reviews
-deferred it only because it was out of 4b-3's scope — "file it with the probe
-family rather than churning the seam now"; this slice IS the seam churn.
-
-**But as the SECOND commit of the slice, not fused into the collapse
-commit.** Commit 1: the collapse, behaviour-identical, keeping the current
-closure shape so the collapse diff is purely structural and the §5 matrix
-referees it alone. Commit 2: the allocation fix on the now-single call site
-(cached per-controller delegate, a small readonly state struct with a static
-lambda, or an interface-shaped callback — implementer's choice; the
-`Func` parameter is `internal`, so test call sites update mechanically),
-closing #315 with its ISSUES.md move in the same commit. Two commits keep the
-behaviour-preservation review and the allocation review independently
-revertible; one session avoids the double churn. This is a recommendation
-with a reason, not a hedge: the only argument against ("two concerns") is
-answered by the commit split.
-
-## 9. Gates
-
-- **Focused:** the §5 dual-guid matrix (new), plus the existing Runtime
- teleport/steady-state suites and App physics suites, all green.
-- **Complete Release suite:**
- `$env:ACDREAM_PAK_PATH = "$env:USERPROFILE\Documents\Asheron's Call\acdream.pak"`,
- `dotnet test AcDream.slnx -c Release -m:1`. **Baseline 11,020 passed /
- 4 skipped / 0 failed at `b260bcd1`.** The count will rise with the new
- matrix; measure and record the new figure. Two known flakes, never chase
- and never conflate (they have been conflated twice): **#302**
- (`PortalProjectionTests.ClipToRegion_FrameOwnedStore_…`, GC-allocation
- assertion, App.Tests) and **#308** (`NakEmissionTests.LossSoak_…`,
- wall-clock deadline, Core.Net.Tests, full-suite load only). If either
- appears, re-run and say which.
-- **Connected evidence — argued, not assumed.** If the slice lands as
- contracted — zero behaviour deltas; every §2 row (a)-preserved or
- (b)-proven — then no new connected gate is REQUIRED: the behaviours routed
- through this code passed their live gates days ago on this exact branch
- (4b-2's far-snap walk; 4b-3's 16-probe-line creature-teleport session,
- user-accepted "all works"), and a proven-identical refactor cannot alter
- what those sessions verified. The thing the previous live gates could not
- see — a defect hiding in the un-exercised copy — is precisely what the §5
- dual-guid matrix now covers deterministically, which is stronger evidence
- than another look-around session (process rule 5: a clean-looking session
- proves little). **Two exceptions re-arm the connected requirement:**
- (i) any behaviour-affecting (c) resolution shipped as its own commit (2b's
- publish fix would warrant the landing-observation half of the handoff's
- far-snap recipe: observer watches a second character jump/run off a ledge
- and land, watching for any snap-back or collision oddity at landing);
- (ii) any unplanned behaviour delta discovered late (stop condition anyway).
- If the user happens to be running a session, an opportunistic creature
- `@teleto` + landing walk with `ACDREAM_PROBE_REMOTE_TELEPORT=1` is cheap
- insurance — optional, not a gate; record probe lines if run.
-
-## 10. Budget and stop conditions
-
-**Budget:** ~250-450 changed non-comment production lines, **net negative in
-`LiveEntityNetworkUpdateController.cs`** (the remote section is ~690 lines at
-`b260bcd1`; the collapse should remove roughly a copy's worth minus the
-unified tail). New test code: the §5 matrix, unbounded by this figure but
-expected ~400-700 lines. Commit 2 (#315): ~40-100 lines.
-
-**Stop and report rather than pushing through when:**
-
-1. Production-line delta exceeds ~500, or the unified path needs a THIRD
- guid-conditional beyond row 8's named survivor.
-2. Any (c) row resolves to "cannot prove equivalence AND cannot preserve
- without contorting the unified path" — report the row and the evidence;
- the fallback of keeping both copies for that one step with a tracking
- issue is a legitimate outcome, silent unification is not.
-3. **A behavioural difference is found that §2 does not list.** Add it to
- the inventory, classify it, and get it reviewed before proceeding — a
- missed difference is this contract's failure mode, and discovering one
- mid-implementation means the inventory walk must be redone, not patched.
-4. The §5 characterisation matrix FAILS against the current `b260bcd1` code
- in a way this contract does not predict — that is a pre-existing defect
- or a wrong row here; split it out (process rule 2) or correct the
- contract first.
-5. The complete Release suite deviates from baseline beyond the two named
- flakes.
-
-## 11. Contradictions found while writing this contract — reported, not smoothed
-
-1. **The reviews' "the two callers stay one decision" framing understates
- the residual duplication.** Round 2 verified the five extracted-helper
- call sites are behaviour-identical — true — but no review inventoried the
- copies' remaining differences as a set. Specifically, **row 2b (the
- player landing block performs the entity sync but NOT the shadow publish,
- while the NPC copy's identical scenario publishes) appears in no review,
- no register row, and contradicts the file's own #184 Slice 2b design
- comments** ("player shadows now follow the resolved body … exactly like
- NPCs", "keeps collision == render for the first UP"). It is at most a
- one-DR-tick collision/render divergence, but it is exactly the class
- (#184/#312 — presentation/collision desync) this campaign treats as real.
-2. **`ApplyRemoteContactRouting`'s doc** ("the player-remote caller reaches
- this method only with `Body.InContact == true` … so the carve-out is
- inert there and the two callers stay one decision") is accurate today but
- will be FALSE after the collapse (the landing family becomes the
- `AirborneSnap` arm for player guids too). It is on §4.5's rewrite list;
- flagged here because it is the one comment whose staleness would actively
- misdirect the implementer.
-3. **The 4b-3 contract's baseline figure (11,027 at `2eb39a02`) vs this
- task's (11,020 / 4 at `b260bcd1`)** — not a true contradiction (different
- HEADs; route 6 and #314 landed between), but stated so nobody "corrects"
- one to the other.
-4. **AP-137's "unifies player and NPC remotes on one behaviour"** is true
- exactly as scoped (the D2 wire-airborne leftover shape) and must not be
- read as claiming the copies are otherwise unified — rows 2-6, 8, 12-13
- remain distinct at `b260bcd1`. The row needs no edit; the caution is for
- readers of it.
-5. **`ApplyInterpolate`'s doc claims its `firstUp` evaluation "is exact for
- BOTH kinds"** because the player caller pre-stamps. That is a description
- of the asymmetry, not equivalence — the collapse (row 4) is where the
- claim gets cashed out or the stamp order preserved; the doc will need the
- matching rewrite either way.
diff --git a/docs/research/2026-08-04-remote-landing-investigation.md b/docs/research/2026-08-04-remote-landing-investigation.md
deleted file mode 100644
index 8c3876e3..00000000
--- a/docs/research/2026-08-04-remote-landing-investigation.md
+++ /dev/null
@@ -1,142 +0,0 @@
-# 2026-08-04 — Remote landing investigation (Bug A / Bug B, route 4a live test)
-
-**Status:** Report-only. No fix applied. Companion to `docs/ISSUES.md` #32
-(the two symptoms below were both already named by that row's "lands on roof
-in falling animation, can't slide off" line) and to the
-`ACDREAM_PROBE_REMOTE_LANDING` probe added in `PhysicsDiagnostics.cs`.
-
-## Background
-
-The user's live two-client route 4a test surfaced two PLAYER-remote defects:
-
-- **Bug A** — a remote stays in the falling animation after landing, then
- visibly lands (the pose clears) only after a delay.
-- **Bug B** — a remote jumping onto a house plants on the roof where retail
- slides off, then blips to the slid-down position.
-
-Neither is a route 4a regression (`44830a0e`, 2026-08-04). The landing block
-in `LiveEntityNetworkUpdateController.cs` that both bugs touch is
-byte-identical to the pre-4a version — verified via
-`git show 19d95094:src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs`,
-which shows the same unconditional
-`Body.TransientState |= Contact | OnWalkable` at the same landing site
-before route 4a existed. **Do not revert `44830a0e`.**
-
-## Bug B — root-caused, not yet fixed
-
-See `docs/ISSUES.md` #32's 2026-08-04 addendum and
-`docs/architecture/retail-divergence-register.md` rows AD-10 and AP-87 for
-the full citation chain. Summary: the landing block force-sets
-`OnWalkable` unconditionally, where retail derives it from the contact
-plane (`CPhysicsObj::SetPositionInternal` @0x00515330, pseudo-C
-:283501-283509 — `on_walkable = contact_plane.N.z >= floor_z`). A steep
-roof is Contact but not on_walkable; forcing both suppresses the slide,
-and the body sits until AP-87's 4 m drift-snap backstop blips it to the
-server's already-slid position. A correct fix additionally depends on
-**#173**'s remote collision-velocity reflect (shipped, its dedicated gate
-folded into the unrun Campaign P matrix scenario 8) and on **AD-10**'s
-slope projection, which is terrain-only and cannot see building/EnvCell
-geometry at all.
-
-## Bug A — three hypotheses, no overlapping fix
-
-The falling-pose-lingers symptom has three candidate root causes. Each
-points at a different code path with a non-overlapping fix, so guessing
-which one applies risks fixing the wrong thing (or "fixing" all three and
-losing track of which one mattered). The
-`ACDREAM_PROBE_REMOTE_LANDING=1` probe (added 2026-08-04,
-`src/AcDream.Core/Physics/PhysicsDiagnostics.cs`:
-`LogRemoteLanding`/`LogRemoteLandingGateNoOp`) was built specifically to
-discriminate them from one live capture at both landing-detection sites:
-`LiveEntityNetworkUpdateController.cs`'s UpdatePosition-driven landing
-block (`site=controller`) and `RuntimeRemotePhysicsUpdater.cs`'s per-tick
-VectorUpdate landing branch (`site=per-tick`, ~:493-551).
-
-### H1 — Gravity state bit wiped mid-air, HitGround's gate silently no-ops (CONFIRMED mechanism, occurrence unconfirmed)
-
-`MotionInterpreter.HitGround()` (`MotionInterpreter.cs:2426`, retail
-`CMotionInterp::HitGround` 0x00528ac0) starts with:
-
-```csharp
-if (!PhysicsObj.State.HasFlag(PhysicsStateFlags.Gravity))
- return;
-```
-
-This mirrors retail's own gate (`state & 0x400`, decomp raw
-305996-306014) — retail requires Gravity still set at landing, same as
-we do. If something clears the Gravity bit on a remote's body BEFORE its
-landing edge fires, `HitGround()` returns immediately: no
-`RemoveLinkAnimations`, no `apply_current_movement` re-dispatch, and the
-sequencer never receives the command that would swap Falling → the
-landing link → the grounded cycle. The falling pose then only clears once
-some LATER event forces a cycle (a subsequent UpdateMotion, or the
-generic per-tick funnel eventually reasserting a grounded stance by a
-different path) — matching the observed "delay."
-
-Both known Gravity-clear sites in the codebase are the POST-HitGround
-"DR bookkeeping" clears
-(`LiveEntityNetworkUpdateController.cs` and
-`RuntimeRemotePhysicsUpdater.cs`, both guarded by
-`IsCurrentStateAuthority`/`IsCurrentOwner` version checks) — i.e. the
-intended clear happens AFTER HitGround, not before. No third site was
-found that clears Gravity early in this pass; if H1 is the live culprit,
-the probe should catch a case where an inbound authority-version race (a
-second UP superseding the landing packet, or the state-authority version
-check failing) caused the clear to land ahead of a re-entrant landing
-detection. **Discriminator:** `gravitySet=false` in the `[remote-landing]`
-line, paired with a `[remote-landing-gate]` `NOOP` line at the same site.
-
-### H2 — No `DefaultSink` bound at the landing edge (hypothesized, plausible)
-
-`HitGround()`'s `apply_current_movement` dispatches through
-`Motion.DefaultSink`. The controller site only calls
-`EnsureRemoteMotionBindings` (which creates the sink) when
-`_animatedEntities.TryGetValue(entity.Id, out var aeForLand)` finds an
-entry AND `aeForLand.Sequencer is not null`
-(`LiveEntityNetworkUpdateController.cs`, right before the probe call added
-2026-08-04). A remote whose `LiveEntityAnimationState`/`Sequencer` hasn't
-been created yet at the exact frame its landing UP arrives (freshly
-streamed-in, or a presentation race) would reach `HitGround()` with
-Gravity still set but no sink to drive — the re-apply computes correctly
-but has nowhere to write, so nothing visible changes until the sink is
-bound on a later frame and something else (the stale `VU.land` per-tick
-branch, or the next ordinary UpdateMotion) catches the pose up.
-**Discriminator:** `gravitySet=true`, `hasDefaultSink=false` in the
-`[remote-landing]` line.
-
-### H3 — HitGround dispatches correctly; the delay is downstream in animation-scheduler consumption (hypothesized, weakest evidence)
-
-If both Gravity and the sink are fine at the landing edge, the failure
-(if it still reproduces) is not in the physics/motion-interpreter layer
-at all — `HitGround()` successfully queues the landing link, but the
-render-side animation scheduler (`LiveEntityAnimationScheduler`/
-`LiveEntityAnimationPresenter`) doesn't drain and apply that queued
-transition for several frames, so the falling pose visibly persists even
-though the underlying `MotionInterpreter` state is already correct.
-**Discriminator:** `gravitySet=true`, `hasDefaultSink=true`, sequencer
-`seqStyle`/`seqMotion` at the landing edge necessarily still reads the
-pre-landing (Falling) values (the read happens immediately before
-HitGround runs, so this alone doesn't distinguish success from H3) —
-confirming/refuting H3 requires cross-referencing the SAME guid's
-subsequent `[remote-landing]`/`VU.land`/`ACDREAM_DUMP_MOTION` SetCycle
-lines over the next several frames to see whether the cycle swap is
-applied promptly or lags.
-
-## Decision table for tomorrow's capture
-
-Run with `ACDREAM_PROBE_REMOTE_LANDING=1` (pair with
-`ACDREAM_DUMP_MOTION=1` for the existing `VU.land`/SetCycle lines) across
-a route 4a session that reproduces Bug A, then read the first
-`[remote-landing]` line for the affected guid at its landing edge:
-
-| `gravitySet` | `hasDefaultSink` | Falling pose clears next frame? | Implicates |
-|---|---|---|---|
-| `false` (+ `[remote-landing-gate]` NOOP) | — | — | **H1** — fix where Gravity gets cleared/never-set before this landing edge |
-| `true` | `false` | — | **H2** — fix the sink-binding race (bind before the landing block runs, or defer the landing block until a sink exists) |
-| `true` | `true` | No — lags several frames in the `VU.land`/SetCycle trail | **H3** — fix the animation-scheduler consumption path, not physics |
-| `true` | `true` | Yes | Landing worked correctly on this instance — Bug A did not reproduce here; re-run to catch the failing case |
-
-Whichever row fires, the fix belongs in a DIFFERENT file/method than the
-other two rows, so this table should be read for exactly one row per
-capture before deciding where to touch code — the whole point of the
-probe was to avoid fixing all three speculatively.
diff --git a/docs/research/2026-08-04-retail-child-cell-ownership.md b/docs/research/2026-08-04-retail-child-cell-ownership.md
deleted file mode 100644
index 6955d11f..00000000
--- a/docs/research/2026-08-04-retail-child-cell-ownership.md
+++ /dev/null
@@ -1,381 +0,0 @@
-# Retail child cell ownership — does a parent's cell change propagate to its children?
-
-Date: 2026-08-04
-Scope: Campaign C4 route 7 — settling whether the parented-child cell write
-belongs in Runtime's `set_parent` analog.
-Source: `docs/research/named-retail/acclient_2013_pseudo_c.txt` (Sept 2013 EoR
-build, PDB-named) + `docs/research/named-retail/acclient.h` (verbatim retail
-structs). Ghidra MCP was probed on 8080 and 8081 and was **not** live; the text
-decomp is authoritative and was sufficient.
-
-**Verdict up front: YES, retail propagates a parent's cell to its children, and
-it does so from the physics update path — twice over, on two different branches.
-Route 7's premise is sound; App's render-tick rebucket is a divergence, not the
-mechanism.**
-
----
-
-## 0. Struct offsets used below (verified, not assumed)
-
-Binary Ninja renders several of the child writes as raw offset arithmetic
-(`*(uint32_t*)((char*)eax_2 + 0x4c)`), so the offsets were resolved from
-`acclient.h` rather than trusted from a heuristic field name.
-
-`CPhysicsObj : LongHashData` (`acclient.h:30689`), `LongHashData :
-HashBaseData` (`acclient.h:30149`), `HashBaseData
-= { vfptr, hash_next, id }` = 12 bytes (`acclient.h:30135`).
-
-| Offset | Field | Derivation |
-|---|---|---|
-| `0x0c` | `netblob_list` | base 12 |
-| `0x10` | `part_array` | confirmed by use as `CPartArray*` at `0x005153c2` |
-| `0x40` | `parent` | field order |
-| `0x44` | `children` | field order |
-| `0x48` | `m_position` | `Position : PackObj`, `PackObj` = `{ vfptr }` = 4 bytes (`acclient.h:26018`) |
-| **`0x4c`** | **`m_position.objcell_id`** | `Position` = vfptr(4) + objcell_id(4) + `Frame`(64) = 72 (`acclient.h:30658`) |
-| `0x90` | `cell` | `0x48 + 72` |
-| `0xa8` | `state` | `cell`(4) + `num_shadow_objects`(4) + `DArray`(16); confirmed by the identical `[1] & 0x10` bit-test used against `this->state` in `enter_cell` |
-
-`Frame` = `qw,qx,qy,qz`(16) + `m_fl2gv[9]`(36) + `m_fOrigin`(12) = 64
-(`acclient.h:30647`). The chain closes exactly on `state == 0xa8`, so `+0x4c` is
-`m_position.objcell_id` with no slack.
-
-There is **no `CPhysicsObj::set_cell`**. `symbols.json` contains only
-`CPhysicsObj::set_cell_id` and `CPhysicsObj::set_cell_id_recursive`. The
-cell-transition entry point is `change_cell`.
-
----
-
-## 1. Does a parent's cell change propagate to children?
-
-**Yes. Two independent mechanisms, both on the physics path.**
-
-### Mechanism A — the recursive cell walk (`change_cell` → `enter_cell`)
-
-`CPhysicsObj::change_cell @0x00513390`:
-
-```
-0051339b if (this->cell != 0) leave_cell(this, 1) @0x0051339f
-005133aa if (arg2 != 0) { enter_cell(this, arg2); return; } @0x005133af
-005133c1 this->m_position.objcell_id = 0 // arg2 == 0 path only
-005133d8 this->cell = nullptr
-```
-
-`change_cell` itself has no child loop. Both of its callees do.
-
-`CPhysicsObj::enter_cell @0x00510ed0` — **recurses into children with the same
-`CObjCell*`**:
-
-```
-00510ed8 if (this->part_array != 0) {
-00510ee2 CObjCell::add_object(arg2, this)
-00510eec for (edi_1 = 0; edi_1 < children->num_objects; edi_1++)
-00510f03 CPhysicsObj::enter_cell(this->children->objects.data[edi_1], arg2) // RECURSION
-00510f1b id = arg2->m_DID.id
-00510f1e this->m_position.objcell_id = id // WRITE
-00510f2b CPartArray::SetCellID(part_array, id)
-00510f35 this->cell = arg2 // WRITE
-00510f3e CPartArray::AddLightsToCell(part_array, arg2)
- }
-```
-
-Because `arg2` is passed down unchanged, every descendant receives the parent's
-**exact** cell object and therefore the identical `objcell_id`. Each descendant
-is also individually registered into the cell via `CObjCell::add_object`
-`@0x00510ee2` on its own recursion frame — children are real members of the
-cell's object list, not merely nominally re-tagged.
-
-`CPhysicsObj::leave_cell @0x00510f50` mirrors it:
-
-```
-00510f5e CObjCell::remove_object(cell, this)
-00510f84 for each child: CPhysicsObj::leave_cell(child, arg2) // RECURSION
-00510fa7 this->cell = nullptr
-```
-
-Note `leave_cell` clears `cell` but does **not** zero `objcell_id`, on the
-parent or on children. The stale id survives until `enter_cell` overwrites it.
-
-**Caveat, cited:** `enter_cell` is gated on `this->part_array != 0`
-`@0x00510ed8`. A child with a null `part_array` receives no cell write and its
-own children are not visited. `leave_cell` has no such gate.
-
-### Mechanism B — the explicit child loop in the motion commit
-
-`CPhysicsObj::SetPositionInternal(CPhysicsObj*, CTransition const*)
-@0x00515330` is the per-commit position write. It branches on whether the
-`CObjCell` pointer changed:
-
-```
-0051534a curr_cell = arg2->sphere_path.curr_cell
-0051536d if (this->cell == curr_cell) { // BRANCH A: same cell object
-00515385 this->m_position.objcell_id = arg2->sphere_path.curr_pos.objcell_id
-00515392 CPartArray::SetCellID(part_array, objcell_id)
-0051539c for (ebx_1 = 0; ebx_1 < this->children->num_objects; ebx_1++) {
-005153ae eax_2 = this->children->objects.data[ebx_1]
-005153ba objcell_id_1 = arg2->sphere_path.curr_pos.objcell_id
-005153bd *(uint32_t*)((char*)eax_2 + 0x4c) = objcell_id_1 // child->m_position.objcell_id
-005153cc CPartArray::SetCellID(eax_3 /* child +0x10 */, objcell_id_1)
- }
- } else
-00515372 CPhysicsObj::change_cell(this, curr_cell) // BRANCH B: → Mechanism A
-005153e0 CPhysicsObj::set_frame(this, &arg2->sphere_path.curr_pos.frame)
-```
-
-So the child's `objcell_id` is re-stamped with the parent's on **every position
-commit**, whether or not the `CObjCell` pointer changed. Branch A writes it
-unconditionally — it does not test whether the value differs.
-
-**Two precise asymmetries between the branches, both citable:**
-- Branch A's loop is **flat, depth-1 only** (`@0x005153ae`–`@0x005153d8` reads
- `this->children` and writes `+0x4c` directly, with no recursive call).
- Mechanism A's `enter_cell` is fully recursive. Grandchildren are therefore
- refreshed only on a genuine cell-object change.
-- Branch A writes only `objcell_id` (and the part array's copy), never the
- child's `cell` pointer. It does not need to: the parent's `CObjCell` is
- unchanged in that branch, and the children were already registered into it by
- `enter_cell`.
-
-### The driving tick
-
-`CPhysics::UseTime @0x00509950` → `CPhysicsObj::update_object @0x005099e5`
-(`@0x00515d10`) → `CPhysicsObj::UpdateObjectInternal @0x005156b0` →
-`SetPositionInternal(this, transition) @0x00515914`.
-
-The decisive guard is the first thing `update_object` does:
-
-```
-00515d40 if (this->parent != 0 || this->cell == 0 || (this->state & 0x1000000) != 0) {
-00515eeb this->transient_state &= 0xffffff7f
-00515ef5 return
- }
-```
-
-**A parented object is never independently simulated.** Its cell — and its frame
-— come exclusively from its parent's tick. This is the structural reason the
-propagation in Mechanism A/B must exist and must be unconditional.
-
----
-
-## 2. What is a child's `objcell_id` while parented?
-
-**The parent's, maintained eagerly and redundantly. Not zero, not independent.**
-
-Write sites that set a child's `objcell_id` to the parent's value:
-
-| Site | Address | Value written |
-|---|---|---|
-| `enter_cell` recursion frame | `@0x00510f1e` | `arg2->m_DID.id` — the parent's `CObjCell` id |
-| `SetPositionInternal` branch A loop | `@0x005153bd` | `arg2->sphere_path.curr_pos.objcell_id` — the parent's committed id |
-| `set_cell_id_recursive` | `@0x00510db1` | `arg2`, recursed to children `@0x00510de3` |
-
-The child's copy is a genuine maintained mirror, not a derived read-through:
-`CPhysicsObj` has exactly one `m_position` and the child's is written with the
-parent's id at the sites above.
-
-**`set_cell_id_recursive @0x00510da0` is not part of the parenting path.** A
-whole-file grep for callers returns exactly one, `@0x00506eba`, which is sky
-object handling (`this->sky_obj.m_data[i]`). It is cited here only to close it
-out as a candidate — it is not the mechanism.
-
----
-
-## 3. Where is a child's cell written?
-
-**In `change_cell`/`enter_cell` and in the `SetPositionInternal` commit — i.e.
-the physics path. `set_parent` participates only by calling `change_cell`; it
-contains no cell write of its own.**
-
-`CPhysicsObj::set_parent(CPhysicsObj*, uint32_t) @0x00515a90`, complete body:
-
-```
-00515a9d if (edi != 0 && add_child(edi, this, arg3) != 0) {
-00515aba unset_parent(this)
-00515ac1 leave_world(this)
-00515ac6 this->parent = edi
-00515ac9 cell = edi->cell
-00515ad1 if (cell != 0) {
-00515ad6 change_cell(this, cell) // <-- the only cell write, delegated
-00515ae0 if (children_1 != 0 && CHILDLIST::FindChildIndex(children_1, this, &arg2) != 0) {
-00515b0e UpdateChild(edi, this, children->part_numbers.data[ecx_4], &children->frames.data[ecx_4])
-00515b15 recalc_cross_cells(this)
- }
- }
-00515b26 if (this->parent->state[1] & 0x40) {
-00515b28 this->state |= 0x20
-00515b38 CPartArray::SetNoDrawInternal(part_array, 1)
- }
-00515b45 return 1
- }
-00515b4d return 0
-```
-
-The four-arg overload `set_parent(CPhysicsObj*, uint32_t, Frame const*)
-@0x00515b50` is identical in shape: `unset_parent @0x00515b7e`, `leave_world
-@0x00515b85`, `this->parent = arg2 @0x00515b8a`, `change_cell(this, cell)
-@0x00515b9a`, `UpdateChild @0x00515ba4`, `recalc_cross_cells @0x00515bab`, plus
-`m_bExaminationObject` propagation `@0x00515b7b`.
-
-Supporting facts:
-
-- `CPhysicsObj::add_child @0x0050f870` (and the 4-arg form `@0x0050f8f0`) is
- pure list management — `CSetup::GetHoldingLocation @0x0050f896`, allocate
- `CHILDLIST` `@0x0050f8aa`, `CHILDLIST::add_child @0x0050f8d1`. **No cell or
- `objcell_id` write.**
-- `CPhysicsObj::recalc_cross_cells @0x00515a30` recurses into children
- `@0x00515a79` but only calls `calc_cross_cells @0x00515a5c` (shadow/cross-cell
- registration) — it **reads** `this->m_position.objcell_id` as a guard
- `@0x00515a3f` and never writes it.
-- **Prior finding CONFIRMED, not refuted:** `CPhysicsObj::UpdateChild
- @0x00512d50` composes a frame (`Frame::combine @0x00512d7d`) and calls
- `set_frame(arg2, &var_40) @0x00512d8d`, then ticks particles/scripts.
- `CPhysicsObj::set_frame @0x00514090` writes `m_position.frame` `@0x005140e9`,
- `CPartArray::SetFrame @0x00514101`, and `UpdateChildrenInternal @0x00514108`.
- **Neither touches `objcell_id` or `cell`.** The frame-only claim holds.
-
-Per-commit ordering inside `SetPositionInternal`, worth having explicit:
-cell propagation (branch A loop, or branch B `change_cell` → recursive
-`enter_cell`) **first** `@0x00515372`/`@0x00515385`, then `set_frame`
-`@0x005153e0` → `UpdateChildrenInternal @0x00514108` → per-child `UpdateChild`
-→ `set_frame(child)`. Cell before frame, every commit.
-
----
-
-## 4. What happens on `unset_parent`?
-
-**The child gets no cell back. `unset_parent` performs zero cell work.**
-
-`CPhysicsObj::unset_parent @0x00513470`, complete body:
-
-```
-00513473 parent = this->parent; if (parent == 0) return @0x00513478
-00513484 CHILDLIST::remove_child(parent->children, this)
-00513495 if (this->parent->state[1] & 0x40) {
-00513497 this->state &= 0xffffffdf
-005134a7 CPartArray::SetNoDrawInternal(part_array, 0)
- }
-005134ac this->parent = nullptr
-005134bf this->update_time = Timer::cur_time
-005134ce return CPhysicsObj::clear_transient_states(this)
-```
-
-No `cell`, no `objcell_id`, no `leave_cell`.
-`CPhysicsObj::clear_transient_states @0x00511bf0` was read in full — it touches
-only `transient_state`, `calc_acceleration @0x00511bfa`/`@0x00511c2b`, and
-`MovementManager::LeaveGround @0x00511c24`. **No cell write.**
-
-Consequently, immediately after `unset_parent` the child still holds the
-parent's `objcell_id` **and** is still in that `CObjCell`'s object list. Every
-call site resolves this itself, in one of two ways:
-
-| Call site | Address | Resolution |
-|---|---|---|
-| `CPhysicsObj::set_parent` (both overloads) | `@0x00515aba`, `@0x00515b7e` | followed by `leave_world @0x00515ac1`/`@0x00515b85`, then `change_cell` to the new parent's cell |
-| `SmartBox::DoPickupEvent @0x00452240` | `@0x0045227f` | followed by `leave_world @0x00452286` — leaves the world |
-| `SmartBox::HandleReceivedPosition @0x00453fd0` | `@0x00454129` | followed by `SetPlacementFrame @0x00454142` and `MoveOrTeleport @0x00454254` — server-driven re-placement assigns a cell |
-| `CObjectMaint::DeleteObject @0x00508460` | `@0x005084b2` | `exit_world @0x0050846b` + `leave_world @0x00508472` ran **before**; then `unparent_children @0x005084b9`, then destructor |
-| `CObjectMaint::DestroyObjects @0x00508c30` | `@0x00508dd7` | same pattern, then `unparent_children @0x00508dde`, destructor |
-| `ParticleEmitter::Destroy @0x0051cdb0` | `@0x0051cdbd` | followed by `leave_world @0x0051cdc5` |
-
-`CPhysicsObj::leave_world @0x005155a0` is where a detaching child is actually
-scrubbed: `remove_shadows_from_cells @0x005155dd`, `leave_cell(this, 0)
-@0x005155e6` (which recurses children `@0x00510f84`), then
-`this->m_position.objcell_id = 0 @0x005155f4` and `CPartArray::SetCellID(...,
-0) @0x00515606`.
-
-**One precise gap, stated as such:** `leave_world` zeroes only **its own**
-`objcell_id` `@0x005155f4`. Its recursive `leave_cell` clears each descendant's
-`cell` pointer `@0x00510fa7` but leaves each descendant's `objcell_id` at its
-stale value. So a grandchild of a world-leaving object retains a stale
-`objcell_id` with a null `cell` until the next `enter_cell`. This is retail's
-actual behavior, not an artifact of the decomp — the write at `@0x005155f4` is
-plainly on `this` and the recursion at `@0x00510f84` plainly does not carry an
-id-clearing write.
-
----
-
-## 5. Does retail have anything resembling acdream's per-render-tick child rebucket?
-
-**Retail has a per-commit child cell re-stamp, but it is on the physics path,
-not a render path, and it is unconditional.**
-
-- **Name:** the child loop in `CPhysicsObj::SetPositionInternal(CPhysicsObj*,
- CTransition const*) @0x00515330`, at `@0x0051539c`–`@0x005153d8`.
-- **Cadence:** once per position commit, driven by `CPhysics::UseTime
- @0x00509950` → `update_object @0x005099e5` → `UpdateObjectInternal
- @0x005156b0` → `SetPositionInternal @0x00515914`. Same tick that runs
- collision and movement — it is not tied to drawing, to pose composition, or to
- mesh/part availability.
-- **The comparable acdream code** is
- `src/AcDream.App/Rendering/EquippedChildRenderController.cs:373` `TickChild`,
- whose `_liveEntities.RebucketLiveEntity(child.ChildGuid, parentCellId)` at
- line 407 writes the same **value** retail writes (child cell := parent cell),
- but reaches it only after `TryResolveExactAttachment`,
- `TryGetRootPose`, `TryGetPartPoseSnapshot`, and
- `EquippedChildAttachment.TryComposePoseInto` all succeed, and only after
- `ApplyParentWorldPose` returns true. Retail's equivalent write has no such
- predicates.
-
-So retail's cell propagation is **gated on nothing except `part_array != 0`**
-(Mechanism A) or **nothing at all** (Mechanism B), whereas acdream's is gated on
-successful render-side pose composition. That gating is the divergence, and it
-is exactly why headless — which never constructs
-`EquippedChildRenderController` — leaves parented children cell-less forever.
-
----
-
-## Direct consequence for route 7
-
-The child cell write **belongs in Runtime**, and specifically it belongs in
-*both* the `set_parent` analog *and* the position-commit analog — retail writes
-it in both places, and `set_parent` is the lesser of the two.
-
-Three consequences follow directly from the citations above:
-
-1. **`set_parent` alone is insufficient.** Retail's `set_parent` performs no
- cell write of its own; it delegates one-shot placement to `change_cell
- @0x00515ad6`. The *sustaining* write — the one that keeps a child correct as
- its parent walks around — is `SetPositionInternal`'s child loop
- `@0x005153bd` and the recursive `enter_cell` `@0x00510f1e`, both on the
- physics commit. A Runtime `set_parent` analog that writes the cell once at
- attach time will be correct at attach and stale on the first parent cell
- crossing thereafter.
-
-2. **The write is unconditional in retail and must be unconditional in
- Runtime.** Because `update_object @0x00515d10` early-returns on `parent != 0`
- `@0x00515d40`, a parented child has no tick of its own; the parent's commit
- is its only source of truth. Predicating the write on pose/mesh readiness —
- as `TickChild` does — has no retail counterpart.
-
-3. **App's render-tick rebucket can be safely demoted**, because it writes a
- value Runtime already has at commit time (the parent's committed
- `objcell_id`) and needs none of the pose data it currently waits for. Its
- sole retail-justified residue is presentation
- (`child.Entity.ParentCellId`/`PublishChildPose`), not membership.
-
-**One-line verdict:** route 7 can safely demote App's render-tick rebucket to
-presentation-only, provided the Runtime replacement writes the child's cell at
-*both* the `set_parent` analog and the per-commit position analog — retail does
-both, and the per-commit one is the load-bearing half.
-
----
-
-## NOT ESTABLISHED
-
-Nothing in the five questions is unresolved. Two adjacent facts are deliberately
-not claimed:
-
-- **When branch A of `SetPositionInternal` can observe `curr_pos.objcell_id !=
- this->cell->m_DID.id`** (i.e. when the same `CObjCell` legitimately carries a
- changing `objcell_id`) is not established. It does not affect the answer —
- retail writes the child's id there unconditionally regardless — but if it
- matters later, the settling read is `CTransition`/`CSphere` `curr_cell`
- maintenance in `SPHEREPATH::set_curr_cell` plus outdoor `CObjCell` id
- assignment, or a cdb breakpoint on `CPhysicsObj::SetPositionInternal
- @0x00515330` logging `@ecx->cell->m_DID.id` against
- `arg2->sphere_path.curr_pos.objcell_id`.
-- **Whether any parented child in practice has children of its own** (the case
- where branch A's depth-1 loop would leave a grandchild stale) is not
- established from the decomp. Settling it is a live-data question, not a code
- question: a cdb breakpoint on `CPhysicsObj::set_parent @0x00515a90` logging
- `@ecx->children` non-null at attach time would answer it.
diff --git a/docs/research/2026-08-04-retail-parent-cell-propagation.md b/docs/research/2026-08-04-retail-parent-cell-propagation.md
deleted file mode 100644
index ebd9c9bf..00000000
--- a/docs/research/2026-08-04-retail-parent-cell-propagation.md
+++ /dev/null
@@ -1,520 +0,0 @@
-# Retail: does a parent's cell crossing propagate to its children?
-
-**Date:** 2026-08-04
-**Worktree:** `peaceful-visvesvaraya-e0a196`, HEAD `cff52c44`
-**Mode:** read-only retail research. No production or test code written. Nothing committed.
-**Source:** `docs/research/named-retail/acclient_2013_pseudo_c.txt` (Sept 2013 EoR build,
-PDB-named) + `docs/research/named-retail/acclient.h` (verbatim retail struct definitions).
-**Consumer:** C4 route 7 contract — demoting `EquippedChildRenderController.TickChild`
-to presentation-only and moving the authoritative child-cell write into Runtime's
-`TryCommitParent` / `CommitAcceptedParentCellless`.
-
----
-
-## VERDICT
-
-**YES. Retail propagates a parent's cell to its children, recursively, to unbounded
-depth, on every parent cell crossing — and additionally refreshes each direct child's
-`objcell_id` on every physics tick in which the parent moves within its current cell.**
-
-A `set_parent`-only cell write is **NOT** retail-faithful. It is correct at attach and
-stale from the parent's first cell crossing onward. Route 7's contract as originally
-scoped would reintroduce the #184 invisible-but-solid class exactly as feared.
-
-The good news for route 7: the propagation is driven by the **physics position commit**
-(`CPhysicsObj::SetPositionInternal` @`0x00515330`), *not* by anything render-side. So
-moving the authoritative write into Runtime is the right direction — the contract just
-has to be *"parent cell change propagates to children"*, not *"set_parent writes once"*.
-
-**No cdb trace is required.** The static read is unambiguous, and the struct-offset
-arithmetic independently corroborates the one place Binary Ninja lost field names.
-See §7 for why, and §8 for the (unnecessary) breakpoint set if the user wants
-belt-and-braces confirmation anyway.
-
----
-
-## 1. The gap named by the scoping doc, now closed
-
-`docs/research/2026-08-04-c4-routes-6-7-scoping.md` §7.4 / §7.8 T5 stated that
-`CPhysicsObj::change_cell` and `CPhysicsObj::set_cell`'s own child handling
-"were not read". Reading them is the whole answer.
-
-Two corrections to the framing up front:
-
-1. There is **no `CPhysicsObj::set_cell`** in the 2013 build. The functions that exist
- are `CPhysicsObj::set_cell_id` @`0x0050f4f0`,
- `CPhysicsObj::set_cell_id_recursive` @`0x00510da0`, and
- `CPhysicsObj::change_cell` @`0x00513390`. I searched the full 1,437,645-line
- pseudo-C; `set_cell` as a symbol does not appear.
-2. `change_cell` itself contains **no child loop**. It delegates entirely — and the
- delegates (`leave_cell`, `enter_cell`) are where the recursion lives. That is why
- a reader skimming `change_cell` alone would conclude "no propagation", which is
- the trap this doc exists to close.
-
----
-
-## 2. `change_cell` @`0x00513390` — the dispatcher
-
-Read verbatim:
-
-```
-00513390 void __thiscall CPhysicsObj::change_cell(class CPhysicsObj* this, class CObjCell* arg2)
-0051339b if (this->cell != 0)
-0051339f CPhysicsObj::leave_cell(this, 1);
-005133aa if (arg2 != 0)
-005133af CPhysicsObj::enter_cell(this, arg2);
-005133b5 return;
-005133c1 this->m_position.objcell_id = 0;
-005133c8 if ((state & 0x1000) == 0)
-005133d3 CPartArray::SetCellID(part_array, 0);
-005133d8 this->cell = nullptr;
-```
-
-- @`0x0051339f` — unconditional (given a non-null current cell) `leave_cell`.
-- @`0x005133af` — unconditional (given a non-null target) `enter_cell`, then **early
- return** @`0x005133b5`. The tail from @`0x005133c1` is the *removal-only* path
- (`arg2 == 0`).
-
-Both delegates recurse into `children`. That is the propagation.
-
-**Asymmetry worth recording:** on the `arg2 == 0` (removal) path, only `this`'s
-`objcell_id` is zeroed @`0x005133c1`. `leave_cell` nulls each *child's* `cell` pointer
-but never touches a child's `objcell_id` (§4). So after a removal, children are left
-with `cell == nullptr` and a **stale non-zero `objcell_id`**. This is retail behavior,
-observed not inferred; it matters if acdream ever treats `objcell_id != 0` as a
-liveness predicate for children.
-
----
-
-## 3. `enter_cell` @`0x00510ed0` — the recursion, and what it writes
-
-Read verbatim:
-
-```
-00510ed0 void __thiscall CPhysicsObj::enter_cell(class CPhysicsObj* this, class CObjCell* arg2)
-00510ed8 if (this->part_array != 0)
-00510ee2 CObjCell::add_object(arg2, this);
-00510ee7 class CHILDLIST* children = this->children;
-00510eec if (children != 0)
-00510ef4 if (children->num_objects > 0)
-00510f0f do
-00510f03 CPhysicsObj::enter_cell(this->children->objects.data[edi_1], arg2);
-00510f0b edi_1 += 1;
-00510f0f while (edi_1 < this->children->num_objects);
-00510f1b uint32_t id = arg2->m_DID.id;
-00510f1e this->m_position.objcell_id = id;
-00510f21 if ((state & 0x1000) == 0)
-00510f2b CPartArray::SetCellID(part_array, id);
-00510f35 this->cell = arg2;
-00510f3e CPartArray::AddLightsToCell(part_array_1, arg2);
-```
-
-Answering the task's question 3 directly — **what does it recurse over?**
-`this->children->objects.data[i]` for `i` in `[0, children->num_objects)`
-@`0x00510f03`. It is **self-recursive**, so the recursion is **unbounded depth**, not
-depth-1: a child's own children are reached too.
-
-**What each recursion level writes** (i.e. what every child in the subtree gets):
-
-| Address | Write | Effect on the child |
-|---|---|---|
-| `0x00510ee2` | `CObjCell::add_object(arg2, child)` | child joins the new cell's object list |
-| `0x00510f1e` | `child->m_position.objcell_id = arg2->m_DID.id` | **canonical cell id** |
-| `0x00510f2b` | `CPartArray::SetCellID(child->part_array, id)` | render/part-array cell id |
-| `0x00510f35` | `child->cell = arg2` | **canonical cell pointer** |
-| `0x00510f3e` | `CPartArray::AddLightsToCell(child->part_array, arg2)` | lights re-registered |
-
-So a child receives the **complete** cell identity — pointer, id, cell-list membership,
-and lights — identical to what the parent receives. Every child ends up in the *same*
-`CObjCell` as the parent (`arg2` is passed down unchanged @`0x00510f03`).
-
-**Guard, load-bearing:** @`0x00510ed8` the entire body is gated on
-`this->part_array != 0`. A child with a null part array receives **nothing** — no cell,
-no `objcell_id`, no membership. Recursion also stops there, so that child's own
-subtree is skipped.
-
----
-
-## 4. `leave_cell` @`0x00510f50` — the matching recursive teardown
-
-```
-00510f50 void __thiscall CPhysicsObj::leave_cell(class CPhysicsObj* this, int32_t arg2)
-00510f53 class CObjCell* cell = this->cell;
-00510f5b if (cell != 0)
-00510f5e CObjCell::remove_object(cell, this);
-00510f63 class CHILDLIST* children = this->children;
-00510f68 if (children != 0)
-00510f70 if (children->num_objects > 0)
-00510f90 do
-00510f84 CPhysicsObj::leave_cell(this->children->objects.data[edi_1], arg2);
-00510f8c edi_1 += 1;
-00510f90 while (edi_1 < this->children->num_objects);
-00510f94 class CPartArray* part_array = this->part_array;
-00510fa2 CPartArray::RemoveLightsFromCell(part_array, this->cell);
-00510fa7 this->cell = nullptr;
-```
-
-Also self-recursive @`0x00510f84`, also unbounded depth. Per child:
-`CObjCell::remove_object` @`0x00510f5e`, `RemoveLightsFromCell` @`0x00510fa2`,
-`cell = nullptr` @`0x00510fa7`.
-
-**Note what is absent:** `leave_cell` never writes `objcell_id`. That is the source of
-the §2 asymmetry. `arg2` (the `1` passed from `change_cell` @`0x0051339f`) is threaded
-through the recursion @`0x00510f84` but is **never read** in the body — dead in this
-build.
-
-**Guard:** @`0x00510f5b` gated on `this->cell != 0`, evaluated per recursion level. A
-child already cell-less is skipped along with its subtree.
-
----
-
-## 5. The depth-1 child loop in `SetPositionInternal` @`0x0051539c`–@`0x005153d8`
-
-Answering the task's question 2. First, the containing function's identity:
-@`0x00515330` is
-`int32_t __thiscall CPhysicsObj::SetPositionInternal(class CPhysicsObj* this, class CTransition const* arg2)`
-— the **two-argument overload**, i.e. the post-transition position commit. (Distinct
-from the four-arg `SetPositionInternal` @`0x00515bd0`, which calls into it
-@`0x00515c94`.)
-
-The relevant branch:
-
-```
-0051534a class CObjCell* curr_cell = arg2->sphere_path.curr_cell;
-00515360 if (curr_cell == 0) // → lost-cell path
-0051536d if (this->cell == curr_cell) // SAME-CELL branch
-00515385 this->m_position.objcell_id = objcell_id;
-00515392 CPartArray::SetCellID(part_array, objcell_id);
-0051539c if (children != 0)
-005153a3 if (children->num_objects > 0)
-005153d8 do
-005153ae void* eax_2 = this->children->objects.data[ebx_1];
-005153b7 cond:4_1 = (*(child + 0xa8) & 0x1000) != 0;
-005153ba objcell_id_1 = arg2->sphere_path.curr_pos.objcell_id;
-005153bd *(uint32_t*)((char*)eax_2 + 0x4c) = objcell_id_1;
-005153c0 if (!cond:4_1)
-005153cc CPartArray::SetCellID(*(char*)eax_2 + 0x10, objcell_id_1);
-005153d4 ebx_1 += 1;
-005153d8 while (ebx_1 < this->children->num_objects);
-0051536d else
-00515372 CPhysicsObj::change_cell(this, curr_cell); // CELL-CHANGE branch
-005153e0 CPhysicsObj::set_frame(this, &arg2->sphere_path.curr_pos.frame);
-```
-
-**Binary Ninja lost the field names here** (it typed the loop variable as `void*`), so
-the writes appear as raw offsets. Resolving them from the verbatim header
-`docs/research/named-retail/acclient.h` — this is **arithmetic, not inference**:
-
-`struct CPhysicsObj : LongHashData` member walk, anchored on the fact that BN itself
-names offset `0x10` as `part_array` in the sibling functions
-(`set_cell_id_recursive` @`0x00510da0` etc.):
-
-| Offset | Member |
-|---|---|
-| `0x10` | `CPartArray *part_array` |
-| `0x14`–`0x1C` | `AC1Legacy::Vector3 player_vector` |
-| `0x20` | `float player_distance` |
-| `0x24` | `float CYpt` |
-| `0x28` | `CSoundTable *sound_table` |
-| `0x2C` | `bool m_bExaminationObject` (align 4) |
-| `0x30` | `ScriptManager *script_manager` |
-| `0x34` | `PhysicsScriptTable *physics_script_table` |
-| `0x38` | `PScriptType default_script` |
-| `0x3C` | `float default_script_intensity` |
-| `0x40` | `CPhysicsObj *parent` |
-| `0x44` | `CHILDLIST *children` |
-| `0x48` | `Position m_position` → `PackObj` vtable ptr |
-| **`0x4C`** | **`m_position.objcell_id`** |
-| `0x50`–`0x8C` | `m_position.frame` (`qw..qz`, `m_fl2gv[9]`, `m_fOrigin`) |
-| `0x90` | `CObjCell *cell` |
-| `0x94` | `unsigned int num_shadow_objects` |
-| `0x98`–`0xA4` | `DArray shadow_objects` (4 dwords) |
-| **`0xA8`** | **`unsigned int state`** |
-
-The walk lands exactly on `0x4C = m_position.objcell_id`, `0x10 = part_array`, and
-`0xA8 = state` — all three offsets used by the loop, all three consistent. There is no
-residual ambiguity and **no PE byte-decode is needed** for this site.
-
-**So what does the depth-1 loop write?** Per direct child:
-
-- `child->m_position.objcell_id = curr_pos.objcell_id` @`0x005153bd`
-- `CPartArray::SetCellID(child->part_array, objcell_id)` @`0x005153cc`, gated on the
- **child's own** `state & 0x1000` @`0x005153b7`
-
-**Cell id only — NOT the `cell` pointer** (`0x90` is never written here), and **NOT
-recursive** (children-of-children are not visited in this branch).
-
-That is coherent, not a bug: this branch is entered precisely when
-`this->cell == curr_cell` @`0x0051536d`, i.e. the parent did **not** change cell — so
-every child's `cell` pointer is already correct and needs no write. The loop is a
-cheap per-tick id refresh, not a re-cell.
-
-**Therefore the depth-1 loop is *not* the answer to the route-7 question.** It is the
-same-cell fast path. The answer is the `else` @`0x00515372`.
-
----
-
-## 6. Cadence — when each path actually runs
-
-`CPhysicsObj::UpdateObjectInternal` @`0x005156b0` is the per-tick physics update. It
-runs the transition and commits:
-
-```
-005158b2 class CTransition* eax_10 = CPhysicsObj::transition(this, &this->m_position, &var_48, 0);
-005158bb if (eax_10 == 0)
-00515937 CPhysicsObj::set_frame(this, &var_40); // blocked → frame only
-005158bb else
-00515914 CPhysicsObj::SetPositionInternal(this, eax_10); // moved → commit
-```
-
-So `SetPositionInternal` @`0x00515330` runs **every physics tick in which the object
-successfully moves** (@`0x00515914`). Inside it the branch @`0x0051536d` selects:
-
-| Parent's tick | Branch | Children get |
-|---|---|---|
-| Moved, same cell | @`0x0051536d` same-cell | depth-1 `objcell_id` + part-array id refresh (@`0x005153bd`, @`0x005153cc`) |
-| **Moved, crossed a cell** | @`0x00515372` → `change_cell` | **full recursive re-cell: `remove_object` / `add_object`, `objcell_id`, `cell` pointer, part-array id, lights** |
-| Blocked (`transition` returned 0) | @`0x00515937` `set_frame` | frame only — no cell work needed, parent didn't move |
-| `curr_cell == 0` | @`0x00515360` lost-cell | `GotoLostCell` @`0x00515579`; no child cell work |
-
-Other entry points that reach the same recursive propagation:
-
-- `CPhysicsObj::ForceIntoCell` @`0x00515660` → `change_cell` @`0x00515684`, guarded by
- `this->cell != arg2` @`0x0051567f`. (Teleport / corpse forcing — reached from
- @`0x00515c61`.)
-- `CPhysicsObj::AddObjectToSingleCell` @`0x005149e0` → `change_cell` @`0x005149ff`.
-- `CPhysicsObj::add_obj_to_cell` @`0x005159e0` → `enter_cell` @`0x005159e9` directly
- (then `UpdateChildrenInternal` @`0x00515a17`, `calc_cross_cells_static` @`0x00515a1e`).
-- `CPhysicsObj::set_parent` @`0x00515a90` → `change_cell` @`0x00515ad6` (the
- already-established attach-time write), and the 4-arg overload @`0x00515b50` →
- `change_cell` @`0x00515b9a`.
-- 4-arg `SetPositionInternal` @`0x00515bd0` → 2-arg @`0x00515c94`.
-
-### 6.1 The clincher: a child never self-updates
-
-`CPhysicsObj::update_object` @`0x00515d10` opens with:
-
-```
-00515d40 if ((this->parent != 0 || (this->cell == 0 || (this->state & 0x1000000) != 0)))
-00515eeb this->transient_state &= 0xffffff7f;
-00515ef5 return;
-```
-
-**`parent != 0` → immediate return.** A parented object is excluded from its own physics
-tick entirely. It never calls `transition`, never calls `SetPositionInternal`, never
-touches its own cell.
-
-This is the structural proof that closes the question: since a child *cannot* update its
-own cell, and children demonstrably do end up in the right cell in retail, **parent
-propagation is the only mechanism that exists.** If `enter_cell`'s recursion did not
-write the child's cell, an equipped weapon would be permanently stranded in the cell
-where it was equipped — which is precisely the #184 symptom, and is not what retail
-does.
-
----
-
-## 7. Read vs. inferred — explicit ledger
-
-Per the standards in the task, separating what the source says from what I concluded.
-
-**Read directly from the pseudo-C (verbatim, cited):**
-
-- `change_cell` delegates to `leave_cell` / `enter_cell` (@`0x0051339f`, @`0x005133af`).
-- `enter_cell` recurses over `children->objects.data[i]` (@`0x00510f03`) and writes
- `objcell_id` (@`0x00510f1e`), part-array cell id (@`0x00510f2b`), `cell` pointer
- (@`0x00510f35`), and `CObjCell::add_object` (@`0x00510ee2`).
-- `leave_cell` recurses (@`0x00510f84`) and writes `cell = nullptr` (@`0x00510fa7`) +
- `remove_object` (@`0x00510f5e`).
-- Both recursions are self-calls → unbounded depth.
-- `SetPositionInternal` @`0x00515330` branches on `this->cell == curr_cell`
- (@`0x0051536d`); `else` → `change_cell` (@`0x00515372`).
-- The depth-1 loop (@`0x0051539c`–@`0x005153d8`) writes child `+0x4c` and child
- `+0x10`'s cell id only.
-- `UpdateObjectInternal` calls `SetPositionInternal` per moving tick (@`0x00515914`).
-- `update_object` early-returns on `parent != 0` (@`0x00515d40`).
-- `references/` in this worktree contains **only `WorldBuilder`**. ACE is **not
- present** — see §9.
-
-**Resolved by arithmetic, not guessed:** child `+0x4c` = `m_position.objcell_id`,
-`+0x10` = `part_array`, `+0xa8` = `state`. Derived by walking `struct CPhysicsObj` in
-`acclient.h` (§5 table), independently anchored on BN's own naming of `0x10` as
-`part_array` in sibling functions. I regard this as read, not inferred.
-
-**Inferred (flagged as such):**
-
-- That the §2 removal-path asymmetry (child keeps a stale `objcell_id` while `cell` goes
- null) is *intentional* rather than a latent retail bug. The code plainly does it;
- the intent is my reading. It does not affect the verdict.
-- That `state & 0x1000` is a "suppress part-array sync" flag. The bit is checked
- identically at @`0x005153b7`, @`0x00510f21`, @`0x005133c8`, @`0x005140f7`,
- @`0x00510db4`; I did not chase its symbolic name because the verdict does not
- depend on it.
-- That `leave_cell`'s `arg2` being unread is dead-parameter residue rather than
- something BN elided. It is absent from the decompiled body; a byte-decode could
- confirm, but nothing hinges on it.
-
-**Binary Ninja elisions encountered:** exactly one site of consequence — the `void*`
-typing in the §5 loop, fully resolved by the header walk. Elsewhere the x87 comparison
-idioms are mangled (e.g. @`0x00515473`) but sit in the contact-plane / walkable code,
-not on the child-cell path. **No PE byte-decode against
-`C:\Users\erikn\Downloads\acclient.exe` + `refs/acclient.pdb` is required for this
-question.**
-
----
-
-## 8. Secondary observation: cross-cells / shadow lists are *not* refreshed per move
-
-Worth recording because it is an adjacent trap, and because it distinguishes two things
-route 7 might otherwise conflate.
-
-`CPhysicsObj::recalc_cross_cells` @`0x00515a30` **does** recurse over children
-@`0x00515a79`. But on the movement path, `SetPositionInternal`'s tail calls only the
-**non-recursive** forms:
-
-```
-0051550b if (this->cell != 0)
-00515517 if ((this->state & 0x10000) != 0)
-0051551b CPhysicsObj::calc_cross_cells(this); // this only
-0051552b return 1;
-0051553a if (arg2->cell_array.num_cells > 0)
-0051553e CPhysicsObj::remove_shadows_from_cells(this);
-0051554c CPhysicsObj::add_shadows_to_cells(this, &arg2->cell_array);
-```
-
-`recalc_cross_cells` is reached only at attach (`set_parent` @`0x00515b15`,
-@`0x00515bab`) and via `calc_cross_cells_static` @`0x00515a1e` in `add_obj_to_cell`.
-
-**Meaning:** a child's *canonical* cell (pointer + id + `CObjCell` membership) **is**
-maintained across parent movement; its *cross-cell / shadow* registration is **not**
-re-derived per parent tick. If acdream's child handling has a shadow-cell analogue,
-matching retail means propagating the canonical cell but **not** rebuilding child
-shadow lists every tick.
-
-There is also a third, movement-unrelated recursive helper:
-`CPhysicsObj::set_cell_id_recursive` @`0x00510da0` — recurses @`0x00510de3`, writes
-`objcell_id` @`0x00510db1` + part-array id @`0x00510dbe`, but **not** the `cell`
-pointer. Callers are the sky-object path @`0x00506eba` and `CObjectMaint::GotoLostCell`
-@`0x00508210` (via `set_cell_id` @`0x00508226`). Not on the equipped-child path;
-listed so it isn't mistaken for the propagation mechanism.
-
----
-
-## 9. ACE cross-check — NOT PERFORMED, reference absent
-
-The task asked for an ACE cross-check. **`references/` in this worktree contains only
-`WorldBuilder`.** ACE is not vendored here (`find` over the worktree returns only
-`docs/reference/ace-commands.md`, a command catalog, not source).
-
-Per the task's own instruction, I am saying so rather than guessing. I have made **no
-claim** about what `ACE.Server/Physics/` does with `change_cell` / `enter_cell` child
-handling. If a cross-check is wanted, it needs a worktree with ACE present, or a run
-from the main repo; the ACE files to read would be
-`Source/ACE.Server/Physics/PhysicsObj.cs` (`change_cell`, `enter_cell`, `leave_cell`,
-`set_parent`, `SetPositionInternal`) and `Source/ACE.Server/Physics/Common/ObjCell.cs`.
-
-Note that ACE is in any case only an interpretation aid here — per CLAUDE.md's
-workflow, the decompiled retail code is ground truth and wins any disagreement. The
-retail read above is unambiguous, so an ACE disagreement would not change the verdict;
-it would only be interesting as a note about ACE.
-
----
-
-## 10. Consequences for route 7's contract
-
-**The contract can be pinned now, without a cdb trace.** What it must say:
-
-1. **`set_parent`-time write is necessary but not sufficient.** Retail writes the
- child's cell at attach (`set_parent` @`0x00515ad6`) **and** at every subsequent
- parent cell crossing (`SetPositionInternal` @`0x00515372` → `change_cell`). Route 7
- must implement both.
-
-2. **The authoritative write belongs on the parent's physics-commit path, not a render
- tick.** Retail's trigger is `SetPositionInternal` @`0x00515330`, reached from
- `UpdateObjectInternal` @`0x00515914`. So demoting
- `EquippedChildRenderController.TickChild` to presentation-only is **directionally
- correct** — the render tick was never retail's owner of this write. But the
- authoritative write must land in `TryCommitParent` /
- `CommitAcceptedParentCellless` **as a cell-change propagation step**, not as a
- one-shot at attach.
-
-3. **Propagation is recursive to unbounded depth**, not depth-1
- (`enter_cell` @`0x00510f03`, `leave_cell` @`0x00510f84`). If acdream can ever nest
- children (child-of-child), the propagation must recurse. If acdream's model is
- structurally depth-1 for equipped items, a depth-1 implementation is
- behaviorally equivalent — but that equivalence should be stated as an explicit
- assumption in the contract, with a register row if it is load-bearing.
-
-4. **The child's write is the full cell identity**, not just the id: `cell` pointer
- (@`0x00510f35`), `objcell_id` (@`0x00510f1e`), cell-list membership
- (@`0x00510ee2` / @`0x00510f5e`), part-array cell id (@`0x00510f2b`). A partial write
- (id without membership) would leave the #184 class only half-closed.
-
-5. **Same-cell ticks still refresh child `objcell_id`** (@`0x005153bd`) but must **not**
- rewrite the child's `cell` pointer. Retail deliberately splits these.
-
-6. **Do not rebuild child cross-cell/shadow lists per parent tick** (§8) — retail
- doesn't, and doing so would be a performance divergence with no faithfulness gain.
-
-7. **Children are excluded from their own physics tick** (`update_object` @`0x00515d10`,
- guard @`0x00515d40`). If acdream ever ticks an equipped child through the ordinary
- physics path, that is itself a divergence independent of this question.
-
-**Register note:** if route 7 ships a depth-1-only propagation (item 3) or omits the
-same-cell `objcell_id` refresh (item 5), each is a deviation and needs its row in
-`docs/architecture/retail-divergence-register.md` in the same commit, per the workflow
-rules.
-
----
-
-## 11. cdb breakpoints — NOT needed, recorded only for completeness
-
-The task asked for the breakpoint set *only if reading truly cannot answer it*. Reading
-answers it. I am recording the set anyway so nobody has to re-derive it if the user
-wants independent confirmation before pinning a contract this load-bearing.
-
-Per `memory/reference_retail_debugger.md`: `qd` inside a `bp` action is forbidden;
-use counters + `gc`, and mind the hit-rate lag.
-
-```
-.logopen C:\Users\erikn\parent-cell-prop.log
-.sympath C:\Users\erikn\source\repos\acdream\refs
-.symopt+ 0x40
-.reload /f acclient.exe
-
-r $t0 = 0
-r $t1 = 0
-
-* parent crossed a cell: change_cell entry, dump this + target cell
-bp acclient!CPhysicsObj::change_cell "r $t0 = @$t0 + 1; .printf \"CC obj=%p cell=%p newcell=%p children=%p\\n\", @ecx, poi(@ecx+0x90), poi(@esp+4), poi(@ecx+0x44); gc"
-
-* per-child re-cell: enter_cell, dump the object and the cell it is being put in
-bp acclient!CPhysicsObj::enter_cell "r $t1 = @$t1 + 1; .printf \"EC obj=%p parent=%p oldcell=%p newcell=%p oldid=%x\\n\", @ecx, poi(@ecx+0x40), poi(@ecx+0x90), poi(@esp+4), poi(@ecx+0x4c); gc"
-
-g
-```
-
-**Predicted trace if the verdict is right:** equip a weapon, then walk across a
-landblock boundary. Each crossing produces one `CC` line for the player object followed
-immediately by **N+1** `EC` lines — one for the player and one per equipped child — all
-sharing the same `newcell`, and each child's `oldcell` equal to the player's pre-cross
-cell. The child `EC` lines are the propagation; their absence would falsify the verdict.
-
-A lighter confirmation, if breakpoint lag on `enter_cell` is a problem (it is called
-often): breakpoint only `change_cell` and, at each hit, walk
-`CHILDLIST* children = poi(@ecx+0x44)` → `objects.data` and dump each child's `+0x90`
-(`cell`) before and after with a second breakpoint on the return. More setup, far fewer
-traps.
-
----
-
-## Bottom line
-
-Retail re-cells children when the parent crosses a cell boundary. The mechanism is
-`SetPositionInternal` @`0x00515372` → `change_cell` @`0x00513390` →
-`leave_cell` @`0x00510f50` (recursive @`0x00510f84`) + `enter_cell` @`0x00510ed0`
-(recursive @`0x00510f03`), and the child's full cell identity is written at
-@`0x00510ee2` / @`0x00510f1e` / @`0x00510f35`. Children never self-update
-(`update_object` guard @`0x00515d40`), so this is the only mechanism.
-
-Route 7 must propagate. A `set_parent`-only write would strand equipped items at
-landblock boundaries.
diff --git a/docs/research/2026-08-04-session-handoff-c4-remaining.md b/docs/research/2026-08-04-session-handoff-c4-remaining.md
deleted file mode 100644
index aaac0ea3..00000000
--- a/docs/research/2026-08-04-session-handoff-c4-remaining.md
+++ /dev/null
@@ -1,133 +0,0 @@
-# C4 handoff — routes 4b-3, 5, 6, 7, 3 (2026-08-04)
-
-Written at the end of a long session. **Read this before touching anything.**
-
-## Where the branch is
-
-- Worktree `C:\Users\erikn\source\repos\acdream\.claude\worktrees\peaceful-visvesvaraya-e0a196`
-- Branch `claude/acdream-physics-divergence-5aa784`, HEAD **`2eb39a02`**
-- **`main` is at `c7d5fc14` and must stay there.** The commits on this branch are
- deliberately unmerged. Do not merge, rebase, or push unless the user asks.
-- Complete Release suite: **11,027 passed / 4 skipped / 0 failed**. This is the
- baseline. Any deviation is a regression you introduced.
- ```
- $env:ACDREAM_PAK_PATH = "$env:USERPROFILE\Documents\Asheron's Call\acdream.pak"
- dotnet test AcDream.slnx -c Release -m:1
- ```
-- Two known flakes — do **not** chase, and do **not** conflate (they have been
- conflated twice): **#302** `PortalProjectionTests.ClipToRegion_FrameOwnedStore_…`,
- a GC-allocation assertion in App.Tests; **#308** `NakEmissionTests.LossSoak_…`,
- a wall-clock deadline in Core.Net.Tests that fails only under full-suite load.
-
-## What landed this session (all user-accepted)
-
-| commit | what |
-|---|---|
-| `634bc551` | park restore — shipped defect, separate from the feature it was found in |
-| `2e8e09ac` | route 4b-1, dormant infrastructure |
-| `7f1c1f5a` | **route 4b-2** — remote far snap; far-snap walk passed |
-| `204d0ae0` | remote slide on steep faces (#32 remote half) |
-| `b1f914d5` | presentation restored on cancelled park (#312) |
-| `2eb39a02` | AP-140 — route remote Positions on contact, not walkability |
-
-Plus scoping/research commits `07e97939`, `11a87428`, `1b631f12` and doc
-corrections `f058dfc9`, `97b22b86`, `f4f25795`.
-
-## What is left, in order
-
-**4b-3 — remote teleport + cell-less.** ~400-700 production lines. Deletes
-`RemoteTeleportController` (605 lines), `RemoteTeleportPlacement` (85),
-`RemoteShadowPlacementSynchronizer` (49) and ~1,709 lines of their tests.
-Retail: `MoveOrTeleport` @0x00516330's cell-less/teleport branch @0x00516386 →
-`teleport_hook` @0x005163EF → `SetFlags(0x1012)` @0x00516414 → `SetPosition`
-@0x00516420 → `return 1` @0x00516438. **`teleport_hook` @0x00514ED0 runs BEFORE
-the placement** and is `CancelMoveTo` + `UnStick` + `StopInterpolating` +
-`UnConstrain` + TargetManager teardown + `report_collision_end(this, 1)`
-@0x00514F31. The classifier already carries
-`RuntimeTeleportHookPhase.BeforePositionOperation` for that branch
-(`RuntimeAuthoritativePositionRouteClassifier.cs:410`) and currently
-records-and-drops it for the remote arm. **4b-3 retires AP-137's cell-less
-enqueue-vs-place delta** — today acdream enqueues where retail places
-unconditionally, at any distance.
-
-**5 — projectile.** ~180 non-comment lines; **half already shipped** (the
-Create half and the residence-window Position half are canonical). What remains
-is the post-residence accepted Position, short-circuited before the classifier
-at `LiveEntityNetworkUpdateController.cs:1428-1448`. Must land **after 4b-2**
-(done) because it widens `RuntimeRemotePlacementDriveController.OwnsPlacement`,
-which excludes `ProjectileAuthoritative` today. **No live gate is possible**:
-ACE never sends `UpdatePosition` for a missile (the one site is commented out at
-`WorldObject_Tick.cs:333-334`). Test-gated; say so rather than inventing a gate.
-Scoping: `docs/research/2026-08-04-c4-route-5-scoping.md`.
-
-**6 — drops. ZERO production lines.** C3c already satisfied it; a dropped item
-classifies as route 1's shape and both drop flavours converge on
-`LiveEntityHydrationController.OnCreate`. The campaign plan's "replay
-create-time effects" requirement is a **false premise** — correct
-`docs/plans/2026-08-02-placement-cutover.md:98-100`. Retail's "split-recovery
-marking" is a *selection* transfer (`UIAttemptSplitTo3D` @0x0058D850,
-`DeclareValid` @0x0058E340), missing but not placement — file outside C4.
-Scoping: `docs/research/2026-08-04-c4-routes-6-7-scoping.md`.
-
-**7 — pickup / parent / delete.** ~300-490 lines, one slice, **must not be
-split**. Retail performs NO placement here (`DoPickupEvent` @0x00452240 =
-`unset_parent` + `leave_world`; `DoParentEvent` @0x00452290 = `set_parent` +
-`SetPlacementFrame`), so it **inverts 4b-2's rule: never arm `ConstrainTo`**.
-The real defect: a parented child's canonical cell has two writers, and acdream
-re-cells it from a **render tick** (`EquippedChildRenderController.TickChild:408`),
-so headless parented children stay cell-less forever.
-**Blocker resolved** — `docs/research/2026-08-04-retail-child-cell-ownership.md`:
-retail propagates via `enter_cell` @0x00510ed0 recursion **and** an explicit
-depth-1 child loop in `SetPositionInternal` @0x0051539c-@0x005153d8. `set_parent`
-@0x00515a90 contains **no** cell write. **The Runtime replacement must write the
-child's cell at BOTH the `set_parent` analog AND the per-commit position
-analog** — a `set_parent`-only write is correct at attach and stale on the
-parent's first cell crossing.
-
-**3 — portal (local player).** Last. Needs the
-`RuntimeWorldTransitState` → `RuntimePortalPlacementAuthority` adapter, which
-does not exist. #280 rides with it.
-
-## Process rules learned the hard way this session
-
-1. **The contract causes the defect.** Route 4b-2's round-1 freeze traced
- directly to my contract saying "arm `ConstrainTo` on refusal" without saying
- "and still advance the pose." Write what must remain true, not only what must
- change.
-2. **Split on discovery.** When a slice uncovers a defect outside its scope,
- commit it separately *immediately*. 4b-2 carried a shared-core park defect
- through three extra review rounds because it wasn't split.
-3. **A green suite is not evidence.** This slice was green at 10,990 / 10,997 /
- 11,004 while containing real defects, twice including a permanently
- invisible-and-intangible entity.
-4. **Tests must assert the layer that broke.** #312 shipped because the park
- restore's tests asserted `InWorld` / clock / residency — exactly the three
- fields eight reviews had named — while presentation stayed torn down.
-5. **A clean-looking live session is not a passed gate.** Confirm the code path
- actually executed (probe line, counter), not just that nothing looked wrong.
-6. **Stale comments are endemic** — six consecutive slices shipped comments
- asserting behaviour the code no longer had, including inside the round meant
- to end it. Verify every comment you touch against the code beside it, and
- prefer symbol references to line numbers.
-
-## Open, not blocking
-
-- **#309** — largely superseded by #312; re-scope before running. What survives
- is narrow: retail's `GotoLostCell` keeps a lost-cell object hidden until
- `reenter_visibility`; acdream re-shows it on cancel.
-- **#32 residuals** — `LeaveGround` chatter bound, the `!Ok` airborne latch, and
- the `contact_allows_move` watch item (a remote lacking Contact|OnWalkable
- silently loses action animations — the literal root cause of closed #270). If
- a "missing attack/cast animation on flat ground" report appears, start there.
-- **Diagnostic probes are still in the tree** and are marked TEMPORARY:
- `ACDREAM_PROBE_REMOTE_LANDING`, `ACDREAM_PROBE_REMOTE_SLIDE`,
- `ACDREAM_PROBE_PARK`. Strip as a family when the physics work settles.
-
-## Connected-test recipes that worked
-
-- **Far snap:** stand still; second character runs past ~100 m, stops, turns,
- runs back. Three or four times.
-- **Steep slide:** second character jumps onto a sloped roof.
-- **Park:** move to a landblock not visited this session, have the remote arrive
- while it is still streaming, have them take a step, then stand still.
-- Graceful close matters — a hard kill leaves ACE holding the session ~3 minutes.
diff --git a/docs/research/2026-08-05-280-contract.md b/docs/research/2026-08-05-280-contract.md
deleted file mode 100644
index 33ec8c20..00000000
--- a/docs/research/2026-08-05-280-contract.md
+++ /dev/null
@@ -1,1248 +0,0 @@
-# #280 — portal destination prefetch: pinned contract
-
-**Slice:** Placement cutover campaign, plan item 3
-(`docs/plans/2026-08-02-placement-cutover.md:65`).
-**Base:** worktree `.claude/worktrees/peaceful-visvesvaraya-e0a196`, branch
-`claude/acdream-physics-divergence-5aa784`, HEAD `9ee9c1a1`.
-**Status:** contract only. No production or test code written; no commit made.
-
-**Retail binary used for byte verification:**
-`C:\Users\erikn\Downloads\acclient.exe`, PE timestamp `0x52291f34`
-(2013-09-06T00:17:56Z), CodeView GUID `9e847e2f-777c-4bd9-886c-22256bb87f32`,
-image base `0x00400000`. `py tools/pdb-extract/check_exe_pdb.py` prints
-`=== MATCH: this exe pairs with our acclient.pdb ===`. Every retail constant
-below that carries a "(byte-verified)" tag was read out of that image, not
-out of Binary Ninja's pseudo-C.
-
----
-
-## 0. One-paragraph statement of the slice
-
-Retail loads, draws, and blocks on exactly one square of landblocks whose
-half-width is the user's landscape draw-distance preference; there is no
-second, smaller "reveal" radius, because the loaded set and the drawable
-set are the same array. acdream splits that into a two-tier streaming
-window (Near/Far) plus a reveal barrier gated at a hardcoded radius of 1.
-The barrier therefore opens the viewport when one landblock ring is
-complete while the user can see roughly twelve — which is #280. The fix
-derives the reveal radius from the live streaming window instead of
-hardcoding it, and makes the render-completeness predicate tier-aware so
-the outer rings can actually satisfy it. It is **both** a radius change
-and a predicate change; either alone is broken (§4).
-
----
-
-## 1. Retail ground truth
-
-### 1.1 There is exactly one radius, and it is the user's draw-distance setting
-
-`LScape` owns the loaded landscape as a flat `mid_width × mid_width` array
-of `CLandBlock*`:
-
-- `LScape::SetMidRadius` @ `0x00504C00` (pseudo-C `:266528`):
- ```
- if (arg2 < 1 || this->land_blocks != 0) return 0;
- this->mid_radius = arg2;
- this->mid_width = arg2 * 2 + 1;
- return 1;
- ```
- Note the second guard: **the radius cannot be changed while the block
- array is allocated.** Callers must reset first (see §1.5).
-- `LScape::LScape` @ `0x00505370` (`:267007`) constructs with
- `mid_radius = 5`, `mid_width = 0xB`.
- **(byte-verified** — file offset for `0x00505390` reads
- `c706 05000000` = `mov dword [esi], 5`, `c74604 0b000000` =
- `mov dword [esi+4], 0xB`.**)** This is the pre-preferences default only.
-- `LScape::update_block` @ `0x005063A0` (`:267954`) allocates
- `operator new[](mid_width * mid_width * 4)` — the array *is* the loaded
- landscape.
-- `LScape::update_viewpoint` / `LScape::set_viewer_block` @ `0x00505C70`
- (`:267520`) index that same array by
- `viewer_b_xoff/viewer_b_yoff = ((mid_radius << 3) - origin + coord) >> 3`,
- and `block_draw_list` (allocated alongside `land_blocks`, freed together
- at `0x00504BCB`) is the draw order over it.
-
-The value assigned to `mid_radius` comes from one place:
-
-- `SmartBox::SetRegion` @ `0x004531F0` (`:92064`):
- `SmartBox::set_mid_radius(this, Render::m_RenderPrefs.LandscapeDrawDistance);`
-- `Render::GRPCallback_OnRenderPreferenceChanged` @ `0x0054D9A8`–`0x0054DA43`
- (`:344372`, `:344422`): when `Render::m_RenderPrefs.LandscapeDrawDistance`
- differs from the cached `Current_Render_LandscapeDrawDistance`, it
- re-issues `SmartBox::set_mid_radius(SmartBox::smartbox,
- Render::m_RenderPrefs.LandscapeDrawDistance)`.
-
-`Render.LandscapeDrawDistance` is a registered user preference —
-`UserPreferences::RegisterPreference(&Render::m_RenderPrefs.LandscapeDrawDistance,
-&Render_LandscapeDrawDistance, …, 6, 0x86f2a4,
-&Render_LandscapeDrawDistance_Values)` @ `0x0054ECBE` (`:345471`), string
-`"Render.LandscapeDrawDistance"` @ `0x006C33CA`, UI string id
-`ID_Graphics_LandscapeDrawDistanc…` @ `0x004041B7`.
-
-**The full ladder, byte-verified.**
-`uint32_t const Render_LandscapeDrawDistance_Values[6]` @ `0x007CA988`
-(`:1021469`) reads, from the image:
-
-| Choice label (@`0x006C363A`+) | Value | Loaded/drawn square | Half-extent @192 m/LB |
-|---|---|---|---|
-| `VeryLow` | 3 | 7×7 | 576 m |
-| *(idx 1, `data_793f8c`)* | 5 | 11×11 | 960 m |
-| `Medium` | 8 | 17×17 | 1536 m |
-| `High` | 11 | 23×23 | 2112 m |
-| `VeryHigh` | 15 | 31×31 | 2880 m |
-| `Extreme` | 25 | 51×51 | 4800 m |
-
-**Default = 8** — two independent sites, both byte-verified:
-`PlayerOptionPage::AddMenuOption(...)->SetDefaultValue(8)` @ `0x0049E70D`
-(`:169449`; image bytes at `0x0049E6F0` contain `6a 08 … ff 92 d8020000`
-= `push 8; call [edx+0x2D8]`), and
-`Render::m_RenderPrefs.LandscapeDrawDistance = 8` @ `0x0054EF0B` (`:345535`;
-image bytes `c705 a4ef8100 08000000`).
-
-The overall-quality presets (`Render::SetOverallGraphicsQuality`
-@ `0x0054B020`, `:341947`) map quality 1..5 onto the first five of those
-values: 3, 5, 8, 11, 15 (`:341956`, `:341970`, `:341982`, `:341993`,
-`:342004`).
-
-**Consequence, and this is the load-bearing retail fact for the whole
-slice:** retail's prefetch window, its loaded window, and its drawable
-landscape window are *the same square*. There is no retail configuration
-in which the client streams farther than it gates, because there is only
-one number.
-
-### 1.2 The far clip plane is not the landscape bound
-
-`float Render::zfar` is statically initialised to **4000.0**
-(`:1101868`; **byte-verified** at `0x0081EC88` = `4000.0f`). The only
-`Render::set_zfar` calls are `GameSky::Draw` @ `0x00507055` /
-`0x005070EE` (`:268724`, `:268765`), which temporarily multiply it by 4 for
-the skybox and restore it. At the default `mid_radius = 8` the landscape
-ends at 1536 m, well inside `zfar`. **The landscape horizon is the
-prefetch square, not the frustum.**
-
-### 1.3 `m_bUseViewDistance` is NOT a view-distance setting
-
-Because it was raised as a candidate: `SmartBox::SetOverrideFovDistance`
-@ `0x00451BC0` (`:90783`) sets `m_bUseViewDistance` / `m_fViewDistFOV`, and
-the two readers — `CreatureMode`-style camera setup @ `0x00452AFD`
-(`:91723`) and `SmartBox::DrawNoBlit` @ `0x00453AE6` (`:92655`) — use it as
-a **projection parameterisation switch**, not a distance:
-
-```
-if (m_bUseViewDistance == 0) Render::SetFOVRad(m_fGameFOV / (aspect - 0.1f));
-else Render::set_vdst(m_fViewDistFOV);
-```
-
-and `Render::set_vdst` @ `0x0054B240` (`:342121`) is
-`SetFOVInternal(2 * atan(x))` with `znear = (x < 0.4) ? 0.1 : x * 0.25`.
-It is "frame the camera to see an object this far away" — an FOV, used by
-the creature/portrait camera path. It has no relationship to `mid_radius`,
-to `LandscapeDrawDistance`, or to streaming. **Do not build anything on
-it.**
-
-### 1.4 What "each required cell is in" actually tests
-
-`LScape::PreFetchCells` @ `0x00505660` (`:267154`) walks
-`for dy in -mid_radius..mid_radius: for dx in -mid_radius..mid_radius`
-(`:267172-267255`), computes each landblock DID
-`(((x & ~7) << 5) | (y >> 3)) << 16 | 0xFFFF` (`:267199`), skips
-out-of-bounds (`< 0 || >= 0x7F8`, i.e. off-map), and for each in-bounds
-landblock:
-
-1. `DBObj::PreFetch(qdid(did, type 1))`. If the result is neither
- `CACHE_OBJECT_IN_MEMORY` nor `CACHE_OBJECT_IN_FILE`, `result = 0`; if it
- is `CACHE_OBJECT_LOOKING`, also `*waitingCount += 1`.
-2. Otherwise `DBObj::Get(...)`. If `Get` returns null (present in the file
- but not yet resident), it additionally prefetches the LandBlockInfo
- record `(did & ~1) | 0xFFFE` as type 2, sets `result = 0`, and
- `*waitingCount += 1`.
-3. Otherwise `CLandBlock::PreFetchCells(block)` @ `0x00530240` (`:314195`),
- which prefetches the LandBlockInfo type-2 record and, via
- `CLandBlockInfo::PreFetchCells` @ `0x0052E7C0` (`:312329`), walks every
- building and calls `CBldPortal::PreFetchCells` @ `0x0053BD00`
- (`:325061`) for each, which prefetches every `stab_list[i]` as type 3
- (the building's EnvCells). Any failure propagates `result = 0`.
-
-So retail's completeness predicate is: **for every in-bounds landblock in
-the `mid_radius` square — its terrain record, its LandBlockInfo, and every
-EnvCell of every building it contains are resident.** It is a static-DAT
-residency test, not a render-upload test (retail uploads synchronously),
-and it does not include procedural scenery (derived from the terrain
-record it already required).
-
-Indoor destinations take a different arm: `CellManager::PreFetchCells`
-@ `0x00455820` (`:94471`) dispatches on `cellIndex >= 0x100` to
-`CEnvCell::PreFetchCells` @ `0x0052D1E0` (`:310659`), which walks the
-EnvCell's visible-cell graph recursively; and `CEnvCell::PreFetchCells`
-@ `0x0052C460` (`:309754`) additionally requires the whole `mid_radius`
-landscape square when `seen_outside != 0` (`:309759`). **Indoor cells that
-can see outside still require the full outdoor square.**
-
-### 1.5 What `blocking_for_cells` gates, and how it clears
-
-`CellManager::PreFetchCells` @ `0x00455820`:
-
-- Early-outs to "available" if `DBCache::IsLoader()` (`:94477`).
-- Outdoor arm only re-sweeps if `blocking != 0 || all_cells_available == 0
- || ((last_prefetch_cell_id ^ cellId) & 0xFFFF0000) != 0` — i.e. standing
- still in an already-complete landblock is free (`:94496`).
-- When called with `blocking != 0` and cells are missing, it reports
- `ECM_DDD::SendNotice_RuntimeDDDStatus(1, remaining, total)` and latches
- `this->blocking_for_cells = 1` (`:94538-94541`).
-- When everything is in, it clears the latch and reports
- `SendNotice_RuntimeDDDStatus(0,0,0)` (`:94549-94552`).
-- `CellManager::Reset` @ `0x00455930` (`:94588`) also clears it.
-
-The latch gates the **entire simulation**. `SmartBox::UseTime`
-@ `0x00455410` (`:94168`):
-
-```
-if (cell_manager->blocking_for_cells == 0) {
- if (!all_cells_available && CheckPrefetchStatus()) UpdateLoadPoint();
- CellManager::ChangePosition(player->m_position, /*blocking*/ 0);
- ... position_update_complete / has_been_teleported latch ...
- CObjectMaint::UseTime(); CPhysics::UseTime();
- GameTime::UseTime(); LScape::UseTime(); Ambient::UseTime();
-} else {
- CellManager::CheckPrefetchStatus(cell_manager); // and nothing else
-}
-SceneTool::Think();
-... drain the inbound NetBlob queue and dispatch ...
-cmdinterp->UseTime(); Render::CalcDegLevel();
-```
-
-So while blocked: **no object maintenance, no physics, no game clock, no
-landscape update, no ambient sound.** Networking still drains and events
-still dispatch. This is the exact behaviour AD-2 already cites.
-
-The retry is rate-limited. `CellManager::CheckPrefetchStatus`
-@ `0x00455BE0` (`:94734`) compares `Timer::cur_time - last_prefetch_check`
-against a qword constant at `0x007991B0`; **byte-verified as `5.0`**
-(`0000000000001440`). The instruction sequence at `0x00455BE0` is
-`fld qword [0x8369A8]; fsub qword [esi+0x10]; fcomp qword [0x7991B0];
-fnstsw ax; test ah,0x41; jnz` — `CF|ZF` after `fcomp` means
-"elapsed < 5.0 or elapsed == 5.0", so the function returns 0 without
-re-sweeping. **Retail's blocked hold is therefore quantised to 5-second
-poll intervals.** (BN renders the tail `-((eax_3 - eax_3))`; the image is
-`neg eax; sbb eax,eax; neg eax`, an ordinary boolean normalise of the
-`PreFetchCells` result. This is one of the flag-test drops the C5b review
-warned about; it is benign here.)
-
-Which callers block:
-
-| Site | Call | Blocking? |
-|---|---|---|
-| `SmartBox::HandleCreateObject` (initial player) @ `0x00455069` (`:93814`) | `ChangePosition(pos, 1)` | **yes** |
-| `SmartBox::PlayerPositionUpdated` @ `0x00453903` (`:92508`), teleport arm | `ChangePosition(pos, arg2 != 0)` | **yes on teleport** |
-| `SmartBox::PlayerPositionUpdated`, ordinary arm | `ChangePosition(pos, 0)` | no |
-| `SmartBox::UseTime` @ `0x00455462` (`:94180`) | `ChangePosition(pos, 0)` | no |
-| `SmartBox::set_mid_radius` @ `0x00453180` (re-arm branch at `0x004531D0`, `:92053`) | `ChangePosition(pos, 1)` | **yes, if already blocking** |
-
-`CellManager::ChangePosition` @ `0x004559B0` (`:94601`) additionally
-promotes any call to blocking while the latch is set
-(`if (blocking_for_cells == 0) edi = arg3;` — i.e. once latched, always
-blocking until cleared).
-
-**`SmartBox::set_mid_radius` @ `0x00453180` (`:92036`) is the retail
-answer to "what if the radius changes mid-hold":**
-
-```
-ebx = cell_manager->blocking_for_cells;
-CellManager::Reset(cell_manager); // clears the latch, releases lscape
-ok = LScape::SetMidRadius(this->lscape, arg2) != 0;
-if (ok && ebx != 0 && player && player->m_position.objcell_id != 0)
- CellManager::ChangePosition(this->cell_manager, &player->m_position, 1);
-```
-
-Reset, re-radius, and **re-arm the blocking prefetch at the new radius**.
-It does not finish the old hold at the old radius and it does not ignore
-the change.
-
-### 1.6 What the user sees while blocked
-
-Two things, both confirmed:
-
-1. **The DDD progress readout.**
- `ECM_DDD::SendNotice_RuntimeDDDStatus(active, remaining, total)`
- @ `0x00692870` reaches `gmPowerbarUI::RecvNotice_RuntimeDDDStatus`
- @ `0x004DA5C0` (`:222574`), which sets a text element to string id
- `ID_Powerbar_DDDModeText` with `CURRENT`/`TOTAL` integer variables and
- writes `current/total` into a float attribute `0x69` on element
- `0x10000034` — a **progress bar with an "N of M" cell count on the
- powerbar**. On `active == 0` it restores normal state.
-2. **The portal-space notice.** `gmSmartBoxUI::UseTime` @ `0x004D6E30`
- (`:219400`): while `teleportAnimState == TAS_TUNNEL`, each time the
- current rotation segment expires
- (`teleportRotationStartTime + teleportRotationDuration <= cur_time`,
- `:004D6FC7`) it picks a fresh random segment and emits
- `ECM_UI::SendNotice_DisplayStringInfo(0x1A, "In Portal Space - Please
- Wait...")` (literal at `0x004D7064`, `:219516`). It repeats every
- rotation segment for as long as the tunnel runs.
-
-Also relevant: on the initial-entry path `SmartBox::hidden = 1` is set
-(`0x004553F7`, `:94139`) so `SmartBox::Draw` @ `0x00455570` returns
-without drawing at all. On a mid-session teleport the portal tunnel
-(`m_pPortalSpace`) is made visible and `SmartBox::Hide(m_pSmartBox)` is
-called (`0x004D6FA3`/`0x004D6FB6`) — the world is not drawn behind the
-tunnel either.
-
-**So: retail blocks. It does not reveal progressively.** It freezes
-simulation, hides the world, shows a tunnel plus a repeating wait string
-plus a cell-count progress bar, and only resumes once every landblock in
-the full draw-distance square is resident.
-
----
-
-## 2. acdream ground truth at HEAD `9ee9c1a1`
-
-Every path and line below was read at this HEAD. Do not inherit line
-numbers from the issue, the campaign plan, the streaming memory doc, or
-this contract into a later session without re-verifying.
-
-### 2.1 The reveal barrier
-
-`src/AcDream.App/Streaming/WorldRevealReadinessBarrier.cs` —
-`internal sealed class`, 147 lines, seven injected delegates.
-
-- `:38` `internal const int OutdoorNeighborhoodRadius = 1;`
-- `:143-146`
- ```csharp
- internal static int RequiredRenderRadius(uint destinationCell) =>
- IsIndoor(destinationCell) ? 0 : OutdoorNeighborhoodRadius;
- private static bool IsIndoor(uint cellId) => (cellId & 0xFFFFu) >= 0x0100u;
- ```
- Note it is **`static`** — that is the first structural obstacle to a
- derived radius.
-- `:107-141` `Evaluate` short-circuits render → composites → collision and
- returns a `WorldRevealReadinessSnapshot` (`:9`) whose `IsReady` is
- `HasDestination && (IsUnhydratable || (render && composites && collision))`.
-- `:84-92` `Prepare` calls `_prepareCompositeTextures(destinationCell,
- radius)` with the **same** radius.
-
-Production wiring, `src/AcDream.App/Composition/SessionPlayerComposition.cs:371-396`:
-
-| Delegate | Implementation |
-|---|---|
-| `isRenderNeighborhoodReady` | `StreamingController.IsRenderNeighborhoodResident` (`src/AcDream.App/Streaming/StreamingController.cs:227`) |
-| `isTerrainNeighborhoodReady` | `PhysicsEngine.IsNeighborhoodTerrainResident` (`src/AcDream.Core/Physics/PhysicsEngine.cs:129`) |
-| `isSpawnCellReady` | `PhysicsEngine.IsSpawnCellReady` (`:1797`) |
-| `areCompositeTexturesReady` | `WbDrawDispatcher.CompositeTexturesReady` |
-| `prepareCompositeTextures` | `CompositeWarmupEntitySource.Refresh` + `WbDrawDispatcher.PrepareCompositeTextures` |
-| `invalidateCompositeTextures` | `CompositeWarmupEntitySource.Reset` + `WbDrawDispatcher.InvalidateCompositeWarmupReadiness` |
-| `isSpawnClaimUnhydratable` | `DatSpawnClaimHydrationClassifier.IsUnhydratable` |
-
-### 2.2 The radius `1` exists in FOUR places, three of them uncited
-
-| # | Site | Shape |
-|---|---|---|
-| 1 | `src/AcDream.App/Streaming/WorldRevealReadinessBarrier.cs:38,144` | the named constant |
-| 2 | `src/AcDream.Runtime/World/RuntimeWorldTransitState.cs:573` | `int requiredRenderRadius = isIndoor ? 0 : 1;` — **a validating invariant** |
-| 3 | `src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs:776` | `RequiredRenderRadius: indoor ? 0 : 1` (producer) |
-| 4 | `src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs:973` | `RequiredRenderRadius: indoor ? 0 : 1` (producer) |
-
-Site 2 is the sharp edge. `RuntimeWorldTransitState.AcknowledgeDestinationReadiness`
-re-derives the expected radius and calls
-`FailInvariant("invalid-readiness-shape", …)` on mismatch. **Changing
-`OutdoorNeighborhoodRadius` alone makes every graphical readiness
-acknowledgement fail this invariant, and the reveal never opens.** This is
-the C5b lesson in its purest form — a contract asserting a mechanism, with
-the mechanism's value copied rather than referenced.
-
-### 2.3 The render-completeness predicate refuses Far-tier landblocks
-
-`StreamingController.IsRenderNeighborhoodResident` (`:227-254`), the ring
-body:
-
-```csharp
-uint canonical = ((uint)nx << 24) | ((uint)ny << 16) | 0xFFFFu;
-if (!_state.IsNearTier(canonical) || !_state.IsRenderReady(canonical))
- return false;
-```
-
-`GpuWorldState.IsNearTier` (`src/AcDream.App/Streaming/GpuWorldState.cs:176`)
-is true only for `LandblockStreamTier.Near`. **A Far-tier landblock can
-never satisfy this predicate.** Since the Near window is `NearRadius`
-(4 at the default preset), any reveal radius above 4 would hang forever.
-That is why #280 cannot be fixed by editing the constant.
-
-`GpuWorldState.IsRenderReady` (`:180`) is
-`_loaded.ContainsKey(id) && (_wbSpawnAdapter?.IsLandblockRenderReady(id) ?? true)`.
-Verified that a Far-tier landblock **does** get a spawn-adapter
-registration and therefore *is* render-ready: `PublicationKind.Far` flows
-through `LandblockPresentationPipeline.cs:900-923` →
-`GpuWorldState.CommitLandblockSpatial` → `ActivateLandblockPresentation`
-(`GpuWorldState.cs:1009`) → `_wbSpawnAdapter.OnLandblockLoaded(...)`
-(`:1022`), which creates a registration with `WantsLoaded = true`
-(`src/AcDream.App/Rendering/Wb/LandblockSpawnAdapter.cs:98-101`) and an
-empty `Ordinary`/`Prepared` set, so `IsLandblockRenderReady` (`:135-152`)
-returns true. **`IsNearTier` is the sole blocker.**
-
-`PhysicsEngine.IsNeighborhoodTerrainResident` (`:129-146`) is already
-tier-agnostic: it keys off `PhysicsEngine._landblocks`, and Far-tier
-publication does construct the terrain surface
-(`src/AcDream.App/Streaming/LandblockPhysicsPublisher.cs:390-403`, reached
-for `PublicationKind.Far` via `LandblockPresentationPipeline.cs:619`).
-**It also allocates a fresh `HashSet` over every resident landblock
-on every call** (`:131-133`) — see §7.
-
-### 2.4 The streaming window and what the user can actually see
-
-`src/AcDream.UI.Abstractions/Settings/QualityPreset.cs:29-36`:
-
-| Preset | NearRadius | FarRadius | Near ring | Far window |
-|---|---|---|---|---|
-| Low | 2 | 5 | 5×5 | 11×11 |
-| Medium | 3 | 8 | 7×7 | 17×17 |
-| **High (default)** | **4** | **12** | 9×9 | 25×25 |
-| Ultra | 5 | 15 | 11×11 | 31×31 |
-
-Default preset is `High` (`src/AcDream.UI.Abstractions/Panels/Settings/DisplaySettings.cs:52`).
-Per-axis env overrides `ACDREAM_NEAR_RADIUS` / `ACDREAM_FAR_RADIUS`
-(`QualityPreset.cs:45-46`). Radii are **runtime-mutable** via
-`StreamingController.ReconfigureRadii` (`StreamingController.cs:377`),
-driven from the Settings panel through
-`RuntimeSettingsTargets.ApplyQuality` (`src/AcDream.App/Settings/RuntimeSettingsTargets.cs:247-253`).
-
-Tier contents:
-- **Far** = the LandBlock heightmap record only
- (`src/AcDream.App/Streaming/LandblockBuildFactory.cs:131-142`), empty
- entity list, `PhysicsDatBundle.Empty`, and the prepared-collision closure
- is skipped (`:97-101`) — but the terrain render mesh and terrain
- collision surface *are* published.
-- **Near** = LandBlock + LandBlockInfo, static entities, procedural
- scenery, EnvCell shells, interior statics, prepared collision closure
- (`LandblockBuildFactory.cs:144-202`).
-
-Visible extent:
-- Far plane: hardcoded `5000f` in every camera
- (`src/AcDream.App/Rendering/RetailChaseCamera.cs:56`, and identically in
- `ChaseCamera.cs:64`, `FlyCamera.cs:37`, `OrbitCamera.cs:28`). No config
- path. Retail's is 4000.
-- Fog, derived from the streaming radii —
- `src/AcDream.App/Rendering/WorldRenderFrameBuilder.cs:481-491` with
- `LandblockSize = 192f` (`:418`):
- `fogStart = NearRadius * 192 * FogStartMultiplier`,
- `fogEnd = FarRadius * 192 * FogEndMultiplier`, defaults `0.7` / `0.95`
- (`src/AcDream.App/RuntimeOptions.cs:145-146`).
- At High: **fogStart 537.6 m, fogEnd 2188.8 m.**
-
-### 2.5 The defect, quantified
-
-At the shipped default the user can see terrain to roughly **2189 m**
-(fog end, inside a 2304 m Far window). The reveal barrier opens once
-**192 m** — the centre landblock plus one ring — is Near-tier complete.
-That is an **11.4:1** gap, and the far end of it is exactly where the user
-reported watching the world assemble. Retail's equivalent gap is 1:1 by
-construction (§1.1).
-
-### 2.6 The reveal lifecycle owners (post-J6.2)
-
-Canonical: `src/AcDream.Runtime/World/RuntimeWorldTransitState.cs`
-(`public sealed class … : IRuntimePortalView`).
-
-| Concern | Owner | Line |
-|---|---|---|
-| reveal generation | `BeginRevealCore` (`checked(++_nextGeneration)`) | `:386` (entered `:135`, `:159`) |
-| destination/readiness latch | `AcknowledgeDestinationReadiness` | `:558-593` |
-| materialization/simulation edge | `AcknowledgePortalMaterialized` | `:595-638` |
-| viewport | `AcknowledgeWorldViewportVisible` | `:640-660` |
-| completion / cancellation | `Complete` / `Cancel` | `:685`, `:722` |
-| wait-cue latch | `ObserveWait`, `RetailWaitCueDelay = 5 s` | `:662-683`, `:66` |
-| host projection lifetime | `TryRegisterHostProjection` … | `:189`, `:282`, `:299`, `:309` |
-
-Graphical adapter: `WorldRevealCoordinator`
-(`src/AcDream.App/Streaming/WorldRevealCoordinator.cs:38`); it owns the
-barrier (`:58`, `:80-87`), bridges App readiness into the Runtime latch in
-`Evaluate` (`:183-202`), and computes the reservation radius via the
-static `WorldRevealReadinessBarrier.RequiredRenderRadius` at `:167`,
-handing it to `IWorldRevealStreamingScheduler.BeginDestinationReservation`
-at `:408-411`.
-
-Reveal decision (portal): `LocalPlayerTeleportController.Tick`
-(`src/AcDream.App/Streaming/LocalPlayerTeleportController.cs:486`,
-decision block `:503-539`):
-```csharp
-bool dataReady = haveDestination && originReady
- && _worldReveal.Evaluate(_pendingCell).IsReady;
-bool placementReady = dataReady && TryAdvancePortalCommit(sequence);
-if (haveDestination && !placementReady) _holdSeconds += deltaSeconds;
-_presentation.SetWaitCue(haveDestination && !placementReady
- && _worldReveal.ObserveWait(TimeSpan.FromSeconds(_holdSeconds)));
-```
-Reveal decision (login): `LivePlayerModeAutoEntryContext.IsWorldReady`
-(`src/AcDream.App/Input/PlayerModeAutoEntry.cs:106-111`).
-
-**Slice E's hold mechanism is correct and already in place.** #280 is not
-a missing hold — it is the hold measuring the wrong domain. Say this
-plainly in the commit message; it is the difference between a two-file
-change and a redesign.
-
-### 2.7 The destination reservation
-
-`StreamingController` `DestinationReservation(long RevealGeneration,
-uint LandblockId, int Radius)` (`:24-27`), opened at `:145-161`, radius
-supplied by the coordinator = the reveal radius. Two effects:
-enqueue-order priority (`EnqueueLoadsByRevealPriority` `:994-1012`,
-membership `IsDestinationWork` `:1079-1082`, Chebyshev ≤ radius) and a
-budget lane reservation of `DestinationReserveFraction = 0.75`
-(`src/AcDream.App/Streaming/StreamingWorkBudgetOptions.cs:33`; enforcement
-`StreamingWorkBudget.cs:385-438`) capping non-destination work at 25% of
-every dimension.
-
----
-
-## 3. The scoping question: derive from what?
-
-**Retail's `mid_radius` is derived from nothing — it *is* the user's
-landscape-draw-distance preference, assigned directly** (§1.1). It is not a
-function of `m_bUseViewDistance` (§1.3) and not a function of the frustum
-(§1.2). Retail exposes exactly one landscape-extent number and uses it for
-loading, drawing, and blocking.
-
-**acdream has no view-distance setting.** `ViewDistance` / `view_distance`
-/ `LandscapeDrawDistance` / `DrawDistance` return zero hits under `src/`.
-What acdream has is `QualitySettings.FarRadius` — a per-preset landblock
-radius that bounds the loaded and drawn landscape and drives the fog end.
-**`FarRadius` is acdream's structural analogue of retail's
-`LandscapeDrawDistance`,** and the two ladders are strikingly close
-(retail 3/5/8/11/15/25 vs acdream 5/8/12/15).
-
-Therefore:
-
-> **D0 — #280 derives its window from the live streaming radii
-> (`NearRadius`, `FarRadius`) and does NOT depend on a Viewing Distance
-> option existing.**
-
-Retail's Viewing Distance *option* — a dedicated, user-facing,
-six-position enum with retail's exact values, replacing or reparameterising
-the quality preset's radii — **is a genuinely separate missing feature.**
-It is not required for #280 and must not be invented inside it. File it as
-its own issue (suggested text in §14). When it lands, it lands by changing
-what feeds `NearRadius`/`FarRadius`; #280's derivation keeps working
-untouched, which is the point of deriving rather than duplicating.
-
-**No standalone prefetch knob.** The defect *is* the decoupling of the
-reveal window from the visible window; a knob re-exposes it as a feature
-and a low setting reintroduces the bug. A **diagnostic** override is
-legitimate and belongs in a `PhysicsDiagnostics`-style owner per CLAUDE.md
-rule 5 — see D5.
-
-**Runtime mutability.** The radii can change mid-session
-(`ReconfigureRadii` `:377`). Retail's answer is unambiguous
-(`SmartBox::set_mid_radius` @ `0x00453180`, §1.5): reset, re-radius, and
-re-arm the blocking prefetch at the **new** value. So acdream must read
-the radii **live**, per evaluation, not capture them at barrier
-construction — which falls out for free from D1 and needs no extra
-machinery, because `Evaluate` already runs every frame. See D4 for the
-reservation half, which does need explicit handling.
-
----
-
-## 4. The change — pinned
-
-### D1 — the barrier's radius becomes an instance value read live from the streaming window
-
-`WorldRevealReadinessBarrier` gains an injected
-`Func` (or equivalent two-int accessor) supplying
-the **current** `NearRadius` and `FarRadius`, and
-`RequiredRenderRadius(uint)` stops being `static`:
-
-```
-indoor -> 0 (unchanged; retail's EnvCell arm, §1.4)
-outdoor -> FarRadius (retail's mid_radius, §1.1)
-```
-
-The snapshot record gains the near/far split so the predicate and the
-Runtime acknowledgement carry the same shape. Composite preparation
-(`Prepare`, `:84-92`) keeps using **`NearRadius`**, not `FarRadius` — see
-D3.
-
-Rationale for `FarRadius` rather than `NearRadius`: retail gates on the
-whole drawn square, and acdream's drawn square is the Far window
-(fog end 2189 m < Far extent 2304 m at every preset, since
-`FogEndMultiplier = 0.95 < 1`, so `FarRadius` always covers everything the
-user can see). Gating at `NearRadius` would fix only the near-detail pop
-and leave the reported far-terrain symptom intact.
-
-### D2 — the render predicate becomes tier-aware
-
-`StreamingController.IsRenderNeighborhoodResident` takes a near radius and
-a far radius, and per ring member at Chebyshev distance `d`:
-
-```
-d <= nearRadius : require IsNearTier(canonical) && IsRenderReady(canonical)
-d <= farRadius : require IsLoaded(canonical) && IsRenderReady(canonical)
-```
-
-Off-map coordinates keep being skipped (`nx/ny` outside `0..254`), matching
-retail's `>= 0x7F8` bounds skip (§1.4) and the existing comment at
-`StreamingController.cs:244-245`.
-
-This is the half without which D1 cannot work: today's `IsNearTier`
-requirement makes any radius above `NearRadius` unsatisfiable (§2.3).
-`IsRenderReady` is already true for a published Far landblock (verified,
-§2.3), so the outer arm is a real test of "this landblock's terrain is
-published and drawable", not a rubber stamp.
-
-`PhysicsEngine.IsNeighborhoodTerrainResident` needs no semantic change —
-it is already tier-agnostic and Far publishes terrain collision — but it
-needs the allocation fix in D6.
-
-### D3 — composites stay at the near radius, and this is a fact about the data, not a shortcut
-
-`WbDrawDispatcher.IsCompositeWarmupCandidate`
-(`src/AcDream.App/Rendering/Wb/WbDrawDispatcher.cs:335-360`) filters
-**entities** by `IsWithinLandblockRadius` (`:451-457`) and admits only
-those with a `PaletteOverride` or per-mesh `SurfaceOverrides`. Far-tier
-landblocks carry **zero entities** (`LandblockBuildFactory.cs:131-142`), so
-widening the composite radius over Far rings warms nothing while walking
-625 landblocks' worth of nothing. Passing `NearRadius` is the honest
-domain, not a scope cut. Pin it explicitly so a later reader does not
-"fix the inconsistency" by widening it.
-
-### D4 — the destination reservation uses the same radius as the gate
-
-`WorldRevealCoordinator` (`:167`, `:408-411`) hands
-`BeginDestinationReservation` the new (Far) radius. Retail has one square
-for prefetch and for blocking; it has no concept of prioritising an inner
-ring differently, and splitting them here would invent a mechanism retail
-does not have.
-
-Consequence to measure, not to assume (§8-P4): with the reservation
-covering the whole Far window, "non-destination work" during a hold shrinks
-to out-of-window traffic (retirements, unloads, live entities), which the
-25% lane must still drain. If the measurement shows retirement/unload
-backlog growth across a hold, that is a real finding and gets its own
-issue — **not** a quiet radius split inside this slice.
-
-Runtime mutability: if the radii change while a reservation is open,
-follow retail — end the reservation and reopen it at the new radius on the
-same reveal generation. `EndDestinationReservation` already refuses a
-generation mismatch (`:145-183`), so the reopen is generation-safe.
-
-### D5 — the diagnostic override
-
-One diagnostic-owner property (CLAUDE.md rule 5), read once at startup,
-e.g. `StreamingDiagnostics.RevealRadiusOverride` from
-`ACDREAM_PROBE_REVEAL_RADIUS`. Default unset ⇒ D1's derivation. Its only
-purpose is A/B measurement of the stall (§7) and reproduction of the
-pre-fix behaviour during the connected gate (§10). It is **not** a user
-setting, is not surfaced in Settings, and is not persisted. Do not add it
-to `RuntimeOptions` as a general knob — it is a probe.
-
-### D6 — `IsNeighborhoodTerrainResident` stops allocating per call
-
-`src/AcDream.Core/Physics/PhysicsEngine.cs:129-146` builds a
-`HashSet` over every resident landblock on **every** call. It is
-called every frame during a hold (via
-`RenderFrameResourceController.Prepare`,
-`src/AcDream.App/Rendering/RenderFrameResourceController.cs:256-265`).
-Today that is 9 ring members and one set build; after D1 it is up to 625
-ring members and the same set build, at 30–60 Hz, against Slice I1's
-"0 B/resolve" standard. Replace the set build with direct per-member
-lookups against the existing landblock map. This is a direct cost of the
-change, not opportunistic cleanup — it ships in the same commit.
-
-### D7 — the Runtime invariant stops re-encoding the App's value
-
-`RuntimeWorldTransitState.cs:573` currently asserts
-`RequiredRenderRadius == (isIndoor ? 0 : 1)`. Runtime must not know the
-App's streaming configuration — that is the J-slice ownership boundary.
-Replace with a **shape** invariant that is still a real invariant:
-
-```
-indoor => RequiredRenderRadius == 0
-outdoor => RequiredRenderRadius >= 1
-```
-
-plus the existing `IsIndoor` consistency check, which stays. The two
-producers (`RuntimeLiveEntitySessionController.cs:776`,
-`HeadlessSessionWorldProjection.cs:973`) keep emitting
-`indoor ? 0 : 1` and remain legal: neither host has a streaming window, so
-"the centre ring" is the honest token there (§5, class C). Do **not**
-plumb the App's radii into Runtime to make the strict equality survive —
-that would be exactly the mechanism-that-does-not-exist assertion C5b was
-built to stop.
-
-### D8 — register bookkeeping, in the implementation commit
-
-AD-2 in `docs/architecture/retail-divergence-register.md` is the row that
-covers this machinery and already cites `blocking_for_cells` and
-`SmartBox::UseTime @0x00455410`. It currently describes the outdoor gate
-as "terrain/collision residency for the required **Near** ring". Amend it
-in the same commit to state the derived Far-window gate, the two-tier
-completeness split (Near ring: full publication; Far ring: terrain
-publication), the `NearRadius`-scoped composite domain, and the anchor
-`LScape::PreFetchCells @0x00505660` /
-`Render_LandscapeDrawDistance_Values @0x007CA988`.
-
-A **new** row is required for the residual deviation the fix does not
-remove: acdream's outer reveal ring accepts terrain-only publication where
-retail requires the landblock's LandBlockInfo and every building EnvCell
-(§1.4). Risk column: a distant building or its interior shells can still
-pop in after reveal, at Far-ring distances, where retail would have
-blocked. This is a real, named, bounded residual — do not let the slice
-close claiming parity it does not have.
-
----
-
-## 5. Blast radius, by consumer class, both hosts
-
-C5b's enumeration leaked because it was performed over one host's call
-graph. This one is organised by host first.
-
-### Class A — graphical host, reveal-gating consumers. Verdict: INTENDED CHANGE.
-
-- `WorldRevealReadinessBarrier.Evaluate` / `IsReady` — the behaviour under
- change.
-- `LocalPlayerTeleportController.Tick:503-539` (portal `dataReady`) and
- `LivePlayerModeAutoEntryContext.IsWorldReady`
- (`PlayerModeAutoEntry.cs:106-111`) (login). Both hold longer. Login
- already held behind the same barrier, so first-login also gets the wider
- gate — **state this as intended**, and gate it (§10), because the issue
- only reported recall.
-- `RenderFrameResourceController.Prepare:256-265` — per-frame
- `PrepareAndEvaluate`. Frequency unchanged; per-call cost rises (D6).
-- `WorldRevealCoordinator.Evaluate:183-202` — forwards the wider snapshot
- into the Runtime latch.
-
-### Class B — graphical host, streaming scheduling. Verdict: CHANGED BY DESIGN, measured.
-
-- `StreamingController.BeginDestinationReservation:145-161`,
- `IsDestinationWork:1079-1082`, `EnqueueLoadsByRevealPriority:994-1012` —
- the destination set grows from 9 to up to 625 landblocks (D4).
-- `StreamingWorkBudget` destination/non-destination lanes (`:385-438`) —
- the 25% non-destination cap now applies to a much larger fraction of the
- frame's work during a hold. Measured, P4.
-
-### Class C — Runtime, canonical reveal state. Verdict: SHAPE LOOSENED, no behavioural change for existing producers.
-
-- `RuntimeWorldTransitState.AcknowledgeDestinationReadiness:558-593` —
- invariant loosened (D7). Every value the two non-graphical producers
- emit today remains legal.
-- `RuntimeDestinationReadiness` (`src/AcDream.Runtime/GameRuntimeViews.cs:114`)
- — carries the radius as data; its `IsReady` join is unchanged.
-- `RuntimeLiveEntitySessionController.TryAdvancePortalCompletion:757-799`
- — unchanged.
-
-### Class D — no-window host. Verdict: UNAFFECTED, and that is correct.
-
-`HeadlessSessionWorldProjection.PrepareDestination`
-(`src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs:832`,
-readiness at `:955-976`) returns render-ready and composites-ready
-hardcoded `true`, with `IsCollisionReady` = "the placement committed". The
-headless host **has no streaming window, no render publication, and no
-composites**; there is nothing for a wider radius to mean. Its
-`RequiredRenderRadius: indoor ? 0 : 1` at `:973` is a token that satisfies
-the Runtime shape check, and D7 keeps it legal.
-
-Explicitly: **`AcDream.App` types must not appear in the headless path,
-and the headless radius must not be derived from anything.** The only way
-#280 can break headless is by tightening the Runtime invariant instead of
-loosening it — hence D7, hence the headless assertion in §9.
-
-### Class E — presentation-only. Verdict: HARMLESS.
-
-`PortalTunnelPresentation` (`:290`, `:296-297`, `:381`),
-`PortalWaitNoticeController`, `LocalPlayerTeleportPresentation:353`,
-`RuntimeWorldFrameVisibilityPreparation.Begin`
-(`src/AcDream.App/Rendering/WorldRenderFrameBuilder.cs:332-342`). These
-observe a longer hold; none of them gate anything. The wait cue's
-*frequency of appearance* changes — §6.
-
-### Class F — tests. Verdict: MUST BE REWRITTEN, NOT RELAXED.
-
-`tests/AcDream.App.Tests/Streaming/WorldRevealReadinessBarrierTests.cs`
-(`:63`, `:69`, `:76`, `:140`) and
-`tests/AcDream.App.Tests/Streaming/LocalPlayerTeleportControllerTests.cs:65`
-assert the constant. §9 replaces them with derivation and tier assertions.
-Anything that "fixes" them by re-asserting a new literal is the trap in
-T3.
-
----
-
-## 6. Interaction with the wait cue
-
-acdream's cue: `RuntimeWorldTransitState.ObserveWait:662-683`, threshold
-`RetailWaitCueDelay = TimeSpan.FromSeconds(5)` (`:66`), driven only from
-`LocalPlayerTeleportController.cs:536` via `WorldRevealCoordinator.ObserveWait:245-250`;
-rendered as a centered `UiText` `"PortalSpaceWaitNotice"`
-(`src/AcDream.App/UI/PortalWaitNoticeController.cs:10-37`) with the literal
-`"In Portal Space - Please Wait..."`
-(`src/AcDream.App/Rendering/PortalTunnelPresentation.cs:296-297`, `:381`).
-It is graphical-host-only; headless has no `ObserveWait` caller anywhere
-(its analogue is the parked-completion log at
-`RuntimeLiveEntitySessionController.cs:792-799`).
-
-**Pinned expectation:** after the fix the user will see
-`"In Portal Space - Please Wait..."` on recalls **more often**, and the
-tunnel will run longer before the world appears.
-
-**Longer holds ARE retail-convergent — but the argument below was wrong on
-both of its clauses, and is corrected here (2026-08-06, #280
-retail-conformance review, finding F2).**
-
-The retail string is byte-identical (§1.6; VA `0x007BD6A8`, verified). Two
-things this section originally asserted are not true of the binary:
-
-1. *"retail emits it for the whole duration of a blocked prefetch"* — the
- emit site is inside `gmSmartBoxUI::UseTime`'s `TAS_TUNNEL*` branch, in the
- `else` arm of the rotation-segment-expiry test at `0x004D6FCD`, and fires
- **unconditionally per tunnel rotation segment** whether or not
- `blocking_for_cells` is set. The cue is a property of being in the tunnel,
- not of being blocked. Byte-decoded at `0x004D6FE6`-`0x004D7049`:
- `teleportRotationDuration = RandDouble(0.6, 1.8)` s
- (`0x3ffccccc/0xcccccccd` = 1.8, `0x3fe33333/0x33333333` = 0.6),
- `teleportRotationEndAngle = RandDouble(0, 360)` (`0x40768000`).
-2. *"whose retry is quantised to 5 s"* — the 5.0 constant at VA `0x007991B0`
- belongs to `CellManager::CheckPrefetchStatus` @`0x00455BE0`, the prefetch
- **retry cadence**. It has no connection to the UI notice. #280's commit
- message repeated this mis-attribution; it is retracted.
-
-What survives, and is the real justification: retail genuinely **blocks**.
-`SmartBox::UseTime` @`0x00455410` runs only `CheckPrefetchStatus` while
-`blocking_for_cells` is latched — object maintenance, physics, the game
-clock, landscape and ambient are all skipped. A retail client at
-`LandscapeDrawDistance = 8` recalling into a cold cache sits in the tunnel
-until all 289 landblocks are in. A longer acdream hold is therefore
-convergent *in kind*.
-
-**Two register rows ARE required, and were filed 2026-08-06:**
-
-- **AP-150** — acdream's `RetailWaitCueDelay = 5 s` arming is not retail's
- trigger (see the out-of-scope note immediately below, which was right; the
- error was concluding no row was needed).
-- **AP-151** — acdream's per-member predicate is much heavier than retail's
- (mesh build + GPU upload vs. DAT residency), so the hold is not merely
- "retail's, honestly measured", and nothing bounds it.
-
-Two adjacent facts, both **out of scope**, both worth writing down so a
-later session does not mistake them for #280 regressions:
-
-1. acdream's 5-second threshold is not retail's trigger. Retail emits on
- each tunnel rotation-segment boundary (`0x004D6FC7` → `0x004D70A1`),
- not on a fixed elapsed threshold. The 5 s constant is an acdream
- approximation. Do not change it in this slice; if it is ever revisited,
- the anchor is `gmSmartBoxUI::UseTime @ 0x004D6E30`.
-2. acdream has no analogue of retail's DDD progress bar
- (`gmPowerbarUI::RecvNotice_RuntimeDDDStatus @ 0x004DA5C0`, string
- `ID_Powerbar_DDDModeText`, `CURRENT`/`TOTAL`). With longer holds this
- becomes more noticeable. File it; do not build it here.
-
----
-
-## 7. Performance risk, stated honestly
-
-**The change does not add streaming work.** The Far window is already
-25×25 at the default preset; those landblocks are already queued and
-already built. #280 makes the reveal *wait* for a tail that is already
-being produced. What lengthens is the hold, not the workload — with three
-exceptions, each of which must be measured:
-
-1. **Priority inversion at the reservation boundary (D4).** Growing the
- destination set from 9 to 625 landblocks changes what the 75% reserved
- lane prioritises. Best case it strictly helps (the tail we now wait on
- is the tail we now prioritise). Worst case out-of-window retirement and
- unload starve inside the 25% remainder.
-2. **`IsNeighborhoodTerrainResident` per-call cost (D6).** Unfixed, this
- grows from ~9 to ~625 membership tests *plus* a full-map `HashSet`
- rebuild, every frame, during the hold. D6 removes the rebuild; the
- remaining 625 lookups are the honest cost.
-3. **Near-ring composite warmup.** D1 does not widen the composite radius
- (D3), but the *reveal* now waits on `AreCompositeTexturesReady`, which
- is already `NearRadius`-scoped — i.e. the composite domain is unchanged
- and is not a new risk. Confirm rather than assume (P3).
-
-**The budget this is measured against.** The project already has an
-explicit acceptance edge, written into
-`src/AcDream.App/Streaming/StreamingWorkBudgetOptions.cs:26-30`: an
-earlier `MaxEntityOperations: 256` was raised to `4096` precisely because
-it "stretched destination publication past retail's five-second
-wait-notice edge." So:
-
-- **Primary budget: destination convergence.** The hold must converge; the
- automated ceiling already exists in the harness as
- `wait world-visible 30000` in `tools/connected-world-lifecycle.route.txt`.
- A hold that trips that timeout is a failure, not a slower pass.
-- **Secondary budget: steady-state frame cost must not regress.** The
- standing reference figures are the ordinary production profile at
- 519.7 FPS with CPU/GPU p50 1.869 / 1.096 ms and 652.1 / 928.3 MiB
- working/private (CLAUDE.md, Slice G5). The hold is a transient; the
- post-reveal steady state must land inside those figures.
-- **Tertiary: allocation.** Slice I1's 0 B/resolve standard is what D6
- protects.
-
-**Measurement, not judgement.** `WorldLifecycleCheckpoint`
-(`src/AcDream.App/Diagnostics/WorldLifecycleAutomationController.cs:101-110`)
-already serialises `RuntimePortalSnapshot Reveal`,
-`StreamingWorkDiagnostics StreamingWork`, `ResidencySnapshot Residency`,
-`RenderFrameOutcome Render`, `Fps`, `FrameMilliseconds`.
-`StreamingWorkDiagnostics`
-(`src/AcDream.App/Streaming/StreamingWorkBudget.cs:166-184`) carries
-`PendingPublications`, `PendingRetirements`, `DestinationBacklog`,
-`ControlBacklog`, `UnloadBacklog`, `NearBacklog`, `FarBacklog`,
-`WorkerCompletionBacklog`, `DeferredCompletions`,
-`LifetimeFrameOverrunCount`, `MaximumFrameMilliseconds`. **Everything §8
-needs is already emitted; no new telemetry is required.**
-
-**The A/B.** Run the same route twice on the same binary — once with
-`ACDREAM_PROBE_REVEAL_RADIUS=1` (pre-fix behaviour) and once without
-(D5). The delta in hold duration per stop, and the delta in
-`NearBacklog`/`FarBacklog` at the `world-visible` checkpoint, is the whole
-performance story. Report both; do not report only the post-fix number.
-
----
-
-## 8. Proof obligations — must be proven, not assumed
-
-- **P1 — A Far-tier landblock satisfies `IsRenderReady`.** Traced
- statically (§2.3: `PublicationKind.Far` → `CommitLandblockSpatial` →
- `ActivateLandblockPresentation` → `OnLandblockLoaded` with an empty mesh
- set → `IsLandblockRenderReady` true). **Prove it with a test**, because
- the entire fix rests on it: if a Far landblock is not render-ready, D2's
- outer arm never satisfies and the reveal hangs.
-- **P2 — The outer ring converges within the Far window's own lifetime.**
-
- > **CORRECTED 2026-08-06 (both #280 review lenses, FAIL).** As written below,
- > P2 was discharged against **residency** — "cannot be evicted" — when the
- > gate's actual atom is `IsRenderReady`. Those are different predicates, and
- > the gap between them is exactly the shipped defect: a Near→Far **demote**
- > leaves the landblock resident and drawn while revoking its spawn-adapter
- > registration, so `IsRenderReady` went permanently false and the gate could
- > never open. Discharging a proof obligation against a predicate the code does
- > not use proves nothing. The restated obligation is: **no transition may
- > revoke `IsRenderReady` from a landblock that stays inside `FarRadius`** —
- > which now holds because `GpuWorldState.ReleaseLandblockMeshReferences`
- > re-asserts the Far registration on demote. Every remaining sentence below
- > (hysteresis, recenter, dungeon collapse) is correct as stated.
-
- The window unloads at `FarRadius + 2` Chebyshev
- (`src/AcDream.App/Streaming/StreamingRegion.cs:208-209`), so an outer-ring
- member cannot be evicted while it is inside `FarRadius`. Prove the gate
- cannot deadlock against hysteresis, recenter (`IsRecenterPending`,
- already gated at `LocalPlayerTeleportController.cs:505`), or dungeon
- collapse (`StreamingController.IsCollapsedToDungeon`) — specifically:
- an **outdoor** destination while the window is collapsed to a dungeon.
-- **P3 — Composite readiness is `NearRadius`-scoped and unchanged.**
- Confirm `IsCompositeWarmupCandidate` sees no Far-ring entities (Far
- builds carry `Array.Empty()`), so D3 is a statement about
- the data and not a scope cut.
-- **P4 — The 25% non-destination lane still drains during a hold.**
- Measured from the checkpoint's `PendingRetirements` / `UnloadBacklog` /
- `ControlBacklog` across the hold. A monotonic rise is a finding.
-- **P5 — Runtime and headless are untouched.** Assert the loosened
- invariant accepts every radius both non-graphical producers emit, and
- that the headless dependency guard still passes with no App reference.
-- **P6 — The radii are read live.** Prove that changing the quality preset
- mid-hold changes the gate on the next evaluation, and that the
- reservation reopens at the new radius on the same generation (D4).
- Retail anchor: `SmartBox::set_mid_radius @ 0x00453180`.
-- **P7 — Login uses the same widened gate.** The barrier is shared;
- confirm first-login readiness moves with it and does not regress the
- `capped_login` checkpoint.
-- **P8 — D6 restores 0 B/allocation** on the terrain-neighborhood path at
- the new radius.
-
----
-
-## 9. Test plan
-
-Assert at layers that have broken historically. **No source-text pins. No
-test that re-encodes the constant under test** — a test asserting
-`RequiredRenderRadius == 12` is the same defect in a different file.
-
-1. **Derivation, not value** (`WorldRevealReadinessBarrierTests`). Drive
- the barrier with a fake window reporting `(near: 3, far: 8)` and then
- `(near: 5, far: 15)`; assert the outdoor required radius **equals the
- fake's far radius** in both cases and that indoor is 0 in both. The
- assertion references the fake's input, never a literal.
-2. **Live re-read.** Mutate the fake window between two `Evaluate` calls
- with no reconstruction; assert the second evaluation used the new
- radius (P6).
-3. **Tier-aware ring** (`StreamingController` /
- `IsRenderNeighborhoodResident`). Three cases: (a) inner-ring member at
- Far tier ⇒ **not** resident; (b) outer-ring member at Far tier and
- render-ready ⇒ resident; (c) outer-ring member absent ⇒ not resident.
- Case (a) is the discriminating one — it proves the near arm did not
- get loosened into the far arm.
-4. **P1 as a test.** A Far publication through the real pipeline, then
- `GpuWorldState.IsRenderReady(farLandblock) == true`. If this needs the
- real `LandblockSpawnAdapter`, use it; a fake here proves nothing.
-5. **Off-map skip.** A destination at a map corner still converges — the
- out-of-bounds members are skipped, not required (retail parity, §1.4).
-6. **Runtime shape invariant** (`RuntimeWorldTransitStateTests`). Assert
- `AcknowledgeDestinationReadiness` accepts `(indoor: false, radius: 1)`,
- `(false, 12)`, `(false, 25)`; rejects `(indoor: true, radius: 1)` and
- `(false, 0)`. This is the test that would have caught the four-site
- duplication (§2.2).
-7. **Headless producer stays legal**
- (`HeadlessSessionWorldProjection` / `AcDream.Headless.Tests`): its
- `indoor ? 0 : 1` acknowledgement is accepted, and the existing
- dependency/loaded-assembly guards still pass.
-8. **Login parity.** `LivePlayerModeAutoEntryContext.IsWorldReady` returns
- false while an outer-ring member is missing and true once it lands.
-9. **Allocation** (D6/P8): a warmed loop over
- `IsNeighborhoodTerrainResident` at radius 12 measures 0 managed bytes,
- matching the Slice I1 pattern.
-10. **Reservation radius follows the gate** (D4): the tuple handed to
- `BeginDestinationReservation` carries the derived far radius, asserted
- against the fake window's input, not a literal.
-
-Delete — do not adapt — the two existing assertions that pin `1`
-(`WorldRevealReadinessBarrierTests.cs:63,69,76,140`,
-`LocalPlayerTeleportControllerTests.cs:65`). Test 1 replaces them.
-
----
-
-## 10. Gates
-
-- Focused tests above.
-- **Release build**, then the complete Release suite:
- `$env:ACDREAM_PAK_PATH` set, `dotnet test AcDream.slnx -c Release -m:1`.
- **Re-measure the baseline at the implementation HEAD; do not inherit
- it.** Known separately-filed flakes — **#302**
- (`PortalProjectionTests.ClipToRegion_FrameOwnedStore_…`), **#308**
- (`NakEmissionTests.LossSoak_…`), **#321** (`DatSoundCacheTests`
- concurrent-decode-dedup). If one appears, re-run and name which; never
- fold, never mask, never retry-loop.
-- **Automated route, twice, same binary** —
- `tools/run-connected-world-lifecycle-gate.ps1` over
- `tools/connected-world-lifecycle.route.txt`, once with
- `ACDREAM_PROBE_REVEAL_RADIUS=1` and once without (§7 A/B). The route
- already covers the cases that matter: `capped_login`, a dense outdoor
- island, a world-edge streaming transition, and an indoor Facility Hub
- cell. Its `wait world-visible 30000` is the convergence ceiling.
-- **Connected/visual gate: YES**, and **batched into C5c's visual matrix**,
- which the campaign sequences after #280. Release, `ACDREAM_RETAIL_UI=1`,
- two-client.
-
-### The visual gate's positive evidence
-
-The user-facing observable — "no visibly constructing far terrain after
-portal space exits" — is an **absence**, and C5b's rule (g) says an absence
-is not a pass criterion. So the gate produces three positive artifacts per
-stop, all from machinery that already exists:
-
-1. **A checkpoint JSON captured at `world-visible`** whose
- `StreamingWork.NearBacklog`, `.FarBacklog`, `.DestinationBacklog` and
- `.PendingPublications` are **zero for the destination window at the
- moment the viewport opened**. That is the positive form of "nothing was
- still building." A screenshot alone cannot say this; the backlog counts
- can.
-2. **A hold-duration pair**: `_holdSeconds` (equivalently
- `Reveal.WaitCueShown` plus the checkpoint timestamps) with the probe on
- and off. The expected, *reportable* result is that the post-fix hold is
- **longer**. A post-fix hold that is not longer means the gate did not
- actually widen and the run proves nothing.
-3. **A paired screenshot** at each stop from the two A/B runs. The pre-fix
- run is expected to *show* the defect; that is the run that makes the
- post-fix screenshot mean something.
-
-Recall specifically (the reported repro) must be in the matrix, not only
-`/teleloc`: the user observed this "after some recalls". Add a lifestone /
-recall leg to the C5c session even though the automated route uses
-`/teleloc`.
-
----
-
-## 11. Traps
-
-- **T1 — the four-site radius.** `OutdoorNeighborhoodRadius` is not the
- single source of truth (§2.2). Changing it alone trips
- `FailInvariant("invalid-readiness-shape")` at
- `RuntimeWorldTransitState.cs:573` and the reveal never opens — which
- will look like "the fix hangs the client" and invite reverting the
- radius instead of fixing the invariant.
-- **T2 — bumping the constant without D2.** Any radius above `NearRadius`
- is unsatisfiable while `IsRenderNeighborhoodResident` demands
- `IsNearTier`. The symptom is an infinite hold with the wait cue up. The
- wrong conclusion available at that moment is "the world can't stream
- that far"; the right one is "the predicate refuses Far tier."
-- **T3 — a test that re-encodes the new number.** Replacing
- `Assert(radius == 1)` with `Assert(radius == 12)` reproduces the exact
- defect class this slice exists to remove. Assert against the window's
- reported value (§9-1).
-- **T4 — plumbing App radii into Runtime** to keep the strict equality at
- `:573`. That is the C5b mechanism-that-does-not-exist failure and it
- breaks the J-slice ownership boundary and the headless dependency guard.
- Loosen the invariant (D7).
-- **T5 — widening the composite radius "for consistency."** Far-tier
- landblocks have no entities; the composite domain is entity-scoped
- (D3/P3). Widening it walks 625 landblocks to warm nothing and pressures
- a 128 MiB physical budget for no benefit.
-- **T6 — reading the radii once at construction.** Radii are runtime
- mutable (`ReconfigureRadii:377`) and retail explicitly re-arms the
- blocking prefetch on a radius change (`set_mid_radius @0x00453180`). A
- captured radius is a latent bug that only appears when someone opens
- Settings mid-portal.
-- **T7 — `ACDREAM_STREAM_RADIUS` during measurement.** It forces
- `NearRadius` to its value and only *raises* `FarRadius`
- (`SessionPlayerComposition.cs:249-257`), and it is silently discarded by
- any later `ApplyQuality` (`RuntimeSettingsTargets.cs:247-253`). A gate
- run with it set is measuring a different window than production. Leave
- it unset.
-- **T8 — treating the longer hold as a regression.** It is the fix
- working, and it is retail (§1.5, §6). The failure condition is
- *non-convergence*, not duration.
-- **T9 — "the far terrain is behind the fog, so don't gate it."** It is
- not: `fogEnd = FarRadius * 192 * 0.95` is inside the Far extent at every
- preset, so far-ring terrain is visible through fog, which is exactly what
- the user watched assemble. Do not introduce a fog-derived radius; keep
- the retail shape (one square).
-- **T10 — declaring parity.** The outer ring accepts terrain-only
- publication where retail requires LandBlockInfo and building EnvCells
- (§1.4). A distant building can still pop. That residual gets its own
- register row (D8) and must not be quietly dropped from the closeout.
-- **T11 — scope creep into the Viewing Distance option.** §3 files it as a
- separate feature. Adding a user-facing setting inside #280 makes the
- slice unreviewable and re-opens the decoupling the slice exists to
- close.
-
----
-
-## 12. Size and split call
-
-**One slice. Do not split.**
-
-Estimated production change, by site:
-
-| Site | Lines |
-|---|---|
-| `WorldRevealReadinessBarrier.cs` (instance radius, near/far split, snapshot shape) | ~40 |
-| `StreamingController.IsRenderNeighborhoodResident` (tier-aware ring) | ~20 |
-| `WorldRevealCoordinator.cs` (instance `RequiredRenderRadius`, reservation radius, radius-change reopen) | ~15 |
-| `SessionPlayerComposition.cs` (wire the live window accessor) | ~10 |
-| `PhysicsEngine.IsNeighborhoodTerrainResident` (D6, allocation) | ~15 |
-| `RuntimeWorldTransitState.cs:573` (D7, shape invariant) | ~8 |
-| Diagnostic owner (D5) | ~10 |
-| **Total** | **~120** |
-
-Plus ~10 focused tests and two register edits (D8).
-
-Splitting is worse here, not better: D1 without D2 hangs the client (T2),
-and D2 without D1 is dead code. D6 and D7 are both *forced* by D1 — D7
-because the acknowledgement fails otherwise, D6 because the per-frame cost
-otherwise regresses against a standing budget. There is no bisectable
-intermediate state, so a split produces commits that are individually
-broken, which is worse for the campaign's bisect discipline than one
-120-line behaviour commit.
-
-Sequence within the one commit: D7 (loosen) → D2 (predicate) → D1
-(derive) → D4/D5/D6. Register edits in the same commit (D8).
-
----
-
-## 13. Claims found false or stale at HEAD `9ee9c1a1`
-
-1. **The issue's "the normal configured view extends substantially
- farther" names a setting that does not exist.** `grep -rniE
- "viewdistance|view_distance|ViewDistance|LandscapeDrawDistance|DrawDistance"`
- over `src/` returns nothing. The *conclusion* is right — the visible
- extent is ~2189 m of fog inside a 2304 m Far window against a 192 m gate
- — but the premise should read "the configured streaming/fog window
- (`QualitySettings.FarRadius`)", not "the configured view distance."
-2. **The issue's implied fix is incomplete.** It frames #280 as "the gate
- is only radius 1." Raising that constant alone cannot work: any radius
- above `NearRadius` is unsatisfiable while
- `IsRenderNeighborhoodResident` requires `IsNearTier`
- (`StreamingController.cs:250`), and the change also fails the Runtime
- invariant at `RuntimeWorldTransitState.cs:573`. It is a radius change
- **and** a predicate change **and** an invariant loosening.
-3. **`OutdoorNeighborhoodRadius` is not the single source of truth.**
- Three uncited `indoor ? 0 : 1` literals exist outside it, one of them
- validating (§2.2). Any doc or comment implying one owner is wrong.
-4. **CLAUDE.md's `ACDREAM_STREAM_RADIUS` description is stale.** It says
- "tune landblock visible-window radius (default 2 = 5×5)". At HEAD it is
- a *legacy* override (`RuntimeOptions.cs:113-115`) whose default is
- `null`/unset; when set it forces `NearRadius` and only raises
- `FarRadius` (`SessionPlayerComposition.cs:249-257`); and it is silently
- discarded by any runtime `ApplyQuality`
- (`RuntimeSettingsTargets.cs:247-253`). The shipped defaults are the
- `QualityPreset.High` row, 4/12.
-5. **`claude-memory/reference_two_tier_streaming.md` is stale in four
- ways.** (a) N₁=4 / N₂=12 are the `High` row of a four-row preset table
- (`QualityPreset.cs:29-36`), not standalone constants, and are runtime
- mutable. (b) The Far tier is not "terrain render only" — it also
- publishes terrain **collision**
- (`LandblockPhysicsPublisher.cs:390-403`, reached for
- `PublicationKind.Far` via `LandblockPresentationPipeline.cs:619`), which
- is precisely why D2's outer arm is viable. (c)
- `MaxCompletionsPerFrame` is no longer a per-frame completion drain; it
- is a whole-profile scalar over a seven-dimension typed budget
- (`StreamingController.cs:117-134`,
- `StreamingWorkBudgetOptions.cs:79-96`). (d) It documents none of
- `IsRenderReady`, `WorldRevealReadinessBarrier`, the destination
- reservation, or the 75% reserved lane — all of which are now the
- mechanism for "is this landblock done."
-6. **The campaign plan's phrase "retail's configured destination-prefetch
- window" (`2026-08-02-placement-cutover.md:65`) is right in intent and
- slightly wrong in shape.** Retail has no separate prefetch window; it
- has one landscape window (`mid_radius`) that is simultaneously loaded,
- drawn, and blocked on, and its configured value is
- `Render.LandscapeDrawDistance`.
-7. **AD-2's outdoor-gate wording will be wrong after this slice.** It
- describes the outdoor claim as requiring residency "for the required
- Near ring." Amend in the implementation commit (D8).
-8. **The `#280` issue text implies portal-only.** The barrier is shared
- with login (`PlayerModeAutoEntry.cs:106-111`), so first-login reveal
- widens too. Intended, but it must be gated (P7) and stated at closeout.
-9. **acdream's `RetailWaitCueDelay = 5 s` is not retail's trigger.** The
- *string* is exact; the *trigger* is retail's tunnel rotation-segment
- boundary (`gmSmartBoxUI::UseTime @ 0x004D6E30`, `0x004D6FC7` →
- `0x004D70A1`), not a fixed elapsed threshold. Out of #280's scope;
- recorded so it is not mistaken for a #280 regression.
-10. **acdream's far plane (5000 m) differs from retail's
- `Render::zfar` (4000 m, byte-verified).** Independent of #280 — in
- both clients the landscape horizon is the landblock window, not the
- frustum — but it is an uncited divergence sitting in four camera
- classes and should be filed.
-
----
-
-## 14. What #280 does NOT do
-
-- It does **not** add a user-facing Viewing Distance option. That is a
- separate missing feature: a dedicated six-position enum matching retail's
- `Render.LandscapeDrawDistance` (labels VeryLow/Low/Medium/High/VeryHigh/
- Extreme, values 3/5/8/11/15/25 @ `0x007CA988`, default 8) feeding the
- streaming radii, replacing or reparameterising the quality preset's
- Near/Far pair. File it. #280's derivation keeps working when it lands.
-- It does **not** add a user-facing prefetch knob (§3).
-- It does **not** implement retail's DDD progress readout (§6).
-- It does **not** change the wait cue's threshold or trigger (§6).
-- It does **not** make the outer ring require LandBlockInfo or building
- EnvCells the way retail does; that residual gets a register row (D8, T10).
-- It does **not** touch the far plane (§13-10).
-- It does **not** change `blocking_for_cells`-equivalent semantics:
- acdream holds in the portal tunnel where retail freezes simulation
- behind a hidden world. That divergence is AD-2's and stays AD-2's.
-
----
-
-## 15. Retail facts I could NOT establish
-
-Flagged rather than guessed:
-
-- **The index-1 choice label.** `Render_LandscapeDrawDistance_Choices[1]`
- is initialised from `&data_793f8c` rather than an inline literal
- (`:718533`), so its text is not visible in the pseudo-C. By position
- between `VeryLow` and `Medium` it is almost certainly `"Low"`, but I did
- not decode the string. The **value** (5) is byte-verified and is what
- matters here.
-- **Whether retail draws anything of the destination during a blocked
- mid-session teleport.** `SmartBox::Hide` is called when the portal space
- becomes visible (`0x004D6FB6`) and `SmartBox::Draw @ 0x00455570` returns
- early on `hidden`, which strongly implies the world is not drawn behind
- the tunnel — but I did not trace every `hidden` transition
- (`0x00451D30` / `0x00451D40` are its setters and I did not name their
- callers). Nothing in this contract depends on the answer; acdream's
- tunnel covers the viewport either way.
-- **The exact retail tunnel rotation-segment duration.** `RandDouble` at
- `0x004D701B` / `0x004D7049` has its arguments mangled by BN's FPU
- handling; the nearby immediates (`0x40768000`, `0x3FFCCCCC`,
- `0x3FE33333`) look like the double halves but I did not decode them.
- Only relevant to §13-9, which is out of scope.
-- **Whether `Render::zfar` is ever assigned outside `GameSky::Draw`.**
- Grep found only the static initialiser (4000.0, byte-verified) and the
- two sky calls. I did not exhaustively search for indirect writes.
- Relevant only to §13-10.
diff --git a/docs/research/2026-08-05-316-investigation.md b/docs/research/2026-08-05-316-investigation.md
deleted file mode 100644
index 7a150902..00000000
--- a/docs/research/2026-08-05-316-investigation.md
+++ /dev/null
@@ -1,343 +0,0 @@
-# #316 — severity investigation: the player-guid `AirborneSnap` arm's skipped shadow publish
-
-**Mode:** REPORT-ONLY. No production file was modified; this document is the
-only write. No build and no test run was performed — see §8 for why.
-**Worktree:** `.claude/worktrees/peaceful-visvesvaraya-e0a196`,
-branch `claude/acdream-physics-divergence-5aa784`, HEAD `9ee9c1a1`.
-**Date:** 2026-08-05.
-
----
-
-## 1. Verdict
-
-**COSMETIC — bounded-transient, self-healing, with one narrow non-healing
-residual that is unobservable in the domain where collision matters.**
-
-Not the #184 class. #184 was a *persistent* divergence (shadow parked at the
-raw server position while the body sat at the resolved one, forever). #316 is a
-*latency*: the collision shadow trails the body by at most one retail object
-quantum (`PhysicsBody.MinQuantum = 1/30 s ≈ 33.3 ms`,
-`src/AcDream.Core/Physics/PhysicsBody.cs:138`), and then heals without any
-further packet.
-
-The reason it heals is structural, not incidental, and it is the single most
-important finding in this report:
-
-> **The per-tick shadow gate compares the body against the shadow's *actual
-> last-published pose*, not against the previous tick's body pose.**
-
-So *any* out-of-band body write — from any source, including a raw field
-assignment that bypasses every publisher — leaves a delta that the next tick
-observes and repairs. There is no "the snap updated the body, so the next tick
-sees no change" failure mode. That was the crux the issue asked about, and it
-resolves in the safe direction.
-
-**One residual that does NOT self-heal** (§5): a player-remote more than 96 m
-from the local player is gated out of the per-tick sweep entirely, so its
-shadow can stay at the pre-snap pose indefinitely while its render entity
-moves. This is real, is player-guid-only, and has no bound. It is nonetheless
-not worth an urgent fix: nothing that can collide with it is itself ticking at
-that range, and re-entering the 96 m bubble heals it within two frames.
-
-**No live measurement is required.** §7 proposes a deterministic offline proof
-instead, which is strictly stronger evidence than a connected sample.
-
----
-
-## 2. Verification of the issue's claims at HEAD
-
-| Issue claim | Status at `9ee9c1a1` |
-|---|---|
-| The player-guid airborne arm does not publish the shadow | **TRUE.** `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2944-2945` — `if (arm is not RemoteContactArm.AirborneSnap \|\| !IsPlayerGuid(update.Guid))` wraps the sole `LiveEntityShadowPublisher.TryPublishRemote` call in the tail. |
-| The NPC-guid equivalent DOES publish | **TRUE.** Same predicate: an NPC guid on the same arm falls through to the publish at `:2947-2957`. |
-| The render entity is still committed | **TRUE.** `:2941-2943` (`entity.SetPosition` / `ParentCellId` / `Rotation`) sits *outside* the guard. |
-| The block "returns" without publishing | **STALE.** Pre-collapse phrasing. Post-collapse it is a guid-gated skip at the unified tail, exactly as the issue's own 2026-08-04 update already records. |
-| C5b (`735f0a72..9ee9c1a1`) may have touched this | **NO.** `git log 735f0a72..9ee9c1a1 --` over `LiveEntityNetworkUpdateController.cs`, `RuntimeRemotePhysicsUpdater.cs`, and `LiveEntityShadowPublisher.cs` returns empty. The issue text is current. |
-| Covered by the two named matrix tests | **TRUE**, and both exist: `LandingPacket_PlayerGuid_QueueClearedNoShadowPublish_316Preserved:222` and `LandingPacket_CreatureGuid_ShadowPublishedQueueNotCleared:271` in `tests/AcDream.App.Tests/Physics/LiveEntityNetworkOnPositionCollapseMatrixTests.cs`. Neither ticks afterwards, so neither answers the severity question (§6). |
-
-**One further staleness worth recording:** the issue calls this the "LANDING
-TRANSITION" block. Since AP-140 retired the walkability gate, the arm's
-predicate is `!remote.Body.InContact`
-(`LiveEntityNetworkUpdateController.cs:1266`) — *any* out-of-contact body, not
-just the touchdown packet. A player-remote therefore takes this arm on **every**
-`UpdatePosition` for the whole airborne period of a jump or fall, not once at
-landing. The per-occurrence severity is unchanged; the frequency is higher than
-the issue's wording implies.
-
----
-
-## 3. Evidence chain — why it heals
-
-### 3.1 What the arm writes
-
-`src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:1266-1292`:
-
-```csharp
-if (!remote.Body.InContact)
-{
- remote.Body.Position = worldPos;
- remote.Body.Orientation = rotation;
- return new RemoteContactRouting(RemoteContactArm.AirborneSnap, Placement: null);
-}
-```
-
-Two raw field writes. Nothing else is touched — in particular **not**
-`remote.LastShadowSyncPos` / `LastShadowSyncOrientation`.
-
-### 3.2 What the per-tick commit compares
-
-`src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:840-852`, inside the
-`SetPositionInternal` commit tail:
-
-```csharp
-if (ShouldSynchronizeShadow(
- cellChanged,
- rm.Body.Position, // current body
- rm.Body.Orientation,
- rm.LastShadowSyncPos, // where the SHADOW actually is
- rm.LastShadowSyncOrientation))
-{
- SyncRemoteShadowToBody(localEntityId, rm, liveCenterX, liveCenterY);
-}
-```
-
-`ShouldSynchronizeShadowPose` (`:1132-1161`) fires on
-`DistanceSquared > 1e-4` (**> 1 cm**) or normalized quaternion dot
-`< 0.99999` (**> ≈0.51°**).
-
-`SyncRemoteShadowToBody` (`:1115-1130`) publishes *and then* re-stamps
-`LastShadowSyncPosition/Orientation` from the body. The stamp is downstream of
-the publish, never independent of it.
-
-**Therefore `LastShadowSyncPos` is a faithful record of the shadow's registered
-pose, and the gate is an invariant check ("is the shadow more than 1 cm from
-the body?"), not a change-detector.** The AirborneSnap leaves that invariant
-violated; the next tick that reaches line 840 restores it.
-
-### 3.3 Nothing masks the delta
-
-I enumerated every writer of `LastShadowSyncPos` in the tree:
-
-| Site | Effect | Masking risk |
-|---|---|---|
-| `RuntimeRemotePhysicsUpdater.cs:1128-1129` | Stamped immediately after publishing | None |
-| `RuntimeSetPositionState.cs:4649-4650` | Reset to `Vector3.Zero` | None — *forces* a sync |
-| `RuntimeSetPositionState.cs:5037-5038` | Canonical placement commit | Paired with `ShadowObjects.CommitSetPosition` at `:5148` — see §9 for one narrow caveat |
-| `RemoteMotion` construction | Default `Vector3.Zero` | None — forces the first sync |
-
-The `acknowledgeProjection` callback the App supplies
-(`src/AcDream.App/Physics/RemotePhysicsUpdater.cs:234-242`) writes only the
-render entity. It cannot stamp the shadow bookkeeping.
-
-### 3.4 The tick is reachable for player-guid remotes
-
-- `LiveEntityAnimationScheduler.AdvanceRecord` excludes only the **local**
- player (`src/AcDream.App/Rendering/LiveEntityAnimationScheduler.cs:186`).
- Remote *players* take the ordinary path.
-- The shadow gate sits inside
- `if (rm.CellId != 0 && _physics.Engine.LandblockCount > 0)`
- (`RuntimeRemotePhysicsUpdater.cs:371`) and is reached whether or not the
- collision sweep ran that tick (the sweep-skipped `else` at `:758-803` falls
- through to the same commit tail).
-- The only `return false` paths between `:371` and `:840` are the ownership
- re-checks at `:612`, `:643`, `:821`, `:833`. All four mean *this incarnation
- was superseded*, in which case a replacement owner registers its own shadow.
-- The gate carries no `IsPlayerGuid` test. The only two guid tests in `Tick`
- are the stale-velocity watchdog (`:198`) and the mover flags (`:438`).
-
-### 3.5 Timing bound
-
-The scheduler admits work only when the retail object clock yields a quantum
-(`LiveEntityAnimationScheduler.cs:248-250`), and
-`RetailObjectQuantumClock.Advance` yields nothing until accumulated time
-exceeds `MinQuantum = 1/30 s`. So the worst-case staleness window is
-**one object quantum ≈ 33.3 ms**, exactly the figure the issue guessed.
-
-Within that window, a remote player's shadow is behind its body by the size of
-that packet's airborne correction — the divergence between acdream's
-dead-reckoned arc and ACE's authoritative position. That is a sub-metre
-quantity in ordinary play, and it is a *lag along the trajectory*, not a
-phantom in an unrelated place.
-
----
-
-## 4. Retail check
-
-`CPhysicsObj::MoveOrTeleport` **0x00516330**
-(`docs/research/named-retail/acclient_2013_pseudo_c.txt:284304`) has **no
-airborne arm at all**. Its structure is:
-
-- teleport-timestamp / `cell == 0` → `teleport_hook` @`0x005163EF`, then
- `SetPosition` @`0x00516420`;
-- `arg4 != 0` and `player_distance < 96` → `InterpolateTo` @`0x005163AF`
- (enqueue only — `CPhysicsObj::InterpolateTo` @`0x005104F0` is two lines:
- `MakePositionManager` then `PositionManager::InterpolateTo`);
-- `arg4 != 0` and `player_distance >= 96` → `StopInterpolating` +
- `SetPositionSimple` @`0x005163D9`;
-- `arg4 == 0` → `return 0`, writing nothing.
-
-An airborne retail remote near the player therefore takes the *enqueue* branch,
-and `InterpolationManager::adjust_offset` **0x00555D30** no-ops on the queue
-while `transient_state & CONTACT_TS == 0` (the gate at `0x00555D52`,
-`acclient.h:3690`). Retail never hard-snaps an out-of-contact remote's body at
-`UpdatePosition` cadence. acdream's `AirborneSnap` is an acdream-only arm — the
-existing register rows AP-87 / AP-140 cover that family; it is not new here.
-
-**The decisive retail fact for #316** is that retail has no separate "shadow"
-to fall behind. Every retail position write routes through
-`CPhysicsObj::SetPositionInternal` **0x00515330**, which calls
-`remove_shadows_from_cells` @`0x0051553E` and `add_shadows_to_cells`
-@`0x0051554C` in the same transaction (see also the `0x00515215`/`0x00515221`
-and `0x00515313`/`0x0051531F` pairs). Collision presence and render pose are the
-same object and cannot diverge by construction. So acdream's skip *is* a
-divergence from retail — but a 33 ms one, which retail's own 30 Hz frame budget
-would not resolve either.
-
-**Binary-Ninja artifact noted, not load-bearing here.** `MoveOrTeleport` shows
-the same dropped-flag-test artifact the task warned about:
-`if (-((eax_4 - eax_4)) == 0)` at `0x00516364`, where the real wrap-safe
-timestamp compare is set up across `0x0051634A-0x0051635B`. It gates the
-teleport branch, not the shadow question, so no disassembly of
-`C:\Users\erikn\Downloads\acclient.exe` was needed for this verdict. Anyone
-re-deriving acdream's *timestamp* routing from that line must disassemble first.
-
----
-
-## 5. The one residual that does not self-heal
-
-`RetailObjectActivityGate.Evaluate`
-(`src/AcDream.Core/Physics/RetailObjectActivityGate.cs`, retail
-`CPhysicsObj::update_object` 0x00515D10) deactivates any object with a PartArray
-beyond `MaxPhysicsDistance = 96f` from the local player, and the scheduler then
-`return default`s (`LiveEntityAnimationScheduler.cs:245-246`) — no tick, no
-shadow gate.
-
-`OnPosition` is **not** distance-gated. So for a player-remote beyond 96 m:
-
-- the render entity moves (`LiveEntityNetworkUpdateController.cs:2941`);
-- the shadow does not (`:2944` skip);
-- nothing later repairs it while the remote stays outside the bubble.
-
-NPC guids are immune — their packet tail publishes. This is genuinely
-unbounded in time, and it is the only part of #316 that is not a 33 ms latency.
-
-Why it still does not rise to #184: the stale shadow is ≥96 m from the local
-player, and every other object that could sweep against it is itself gated by
-the same 96 m rule relative to the player, so the reachable band is a thin
-annulus of mutually-near remotes straddling the bubble edge. On re-entry the
-clock returns `Reactivated`, which the scheduler also treats as
-non-`Active` (`:245`), so the heal lands on the *second* frame inside the
-bubble — still ≲ 2 frames before any close-range collision query can see it.
-
----
-
-## 6. Existing test coverage
-
-- **Nothing covers the heal.** The two #316 matrix tests assert only the packet
- frame's shadow state.
-- **The mechanism is already proven, on the other guid class.**
- `tests/AcDream.App.Tests/Physics/RemotePhysicsUpdaterTests.cs:54`
- (`Tick_InPlaceCompleteRootTurn_UpdatesOffsetCollisionShadow`) constructs a
- `RemoteMotion` with `LastShadowSyncPos = Zero` / `LastShadowSyncOrientation =
- Identity`, drives one `Tick`, and asserts the shadow entry moved and
- `LastShadowSyncOrientation` was re-stamped. That is precisely the
- stale-bookkeeping → republish path #316 relies on, exercised end-to-end
- against a real `ShadowObjectRegistry`.
-- `RemotePhysicsUpdaterTests.cs:534,557` additionally pins the *negative* case
- (a superseded owner must not move the source shadow).
-
----
-
-## 7. Recommended next step — an offline proof, not a connected session
-
-A live sample is **not** required and would be weaker evidence. The heal is a
-deterministic two-step over state that both existing fixtures already build.
-Recommended (NOT YET APPROVED — do not implement without the user's word):
-
-> Compose `LiveEntityNetworkOnPositionCollapseMatrixTests`' player-guid landing
-> fixture with `RemotePhysicsUpdaterTests`' `BindRemote` + `Tick`, and assert
-> the **positive** outcome: after the landing packet the shadow entry is at the
-> pre-snap pose (today's `..._316Preserved` assertion, unchanged), and after
-> one subsequent `Tick` the same entry is within 1 cm of `rm.Body.Position` and
-> `rm.LastShadowSyncPos` equals it. Add the creature-guid half asserting the
-> shadow was already correct at step 1 and unchanged at step 2.
-
-This produces positive evidence in both directions and satisfies the campaign's
-"absence-of-signal is a weak criterion" rule, which a connected probe sample
-would not: a connected run can only show that nobody *noticed* a 33 ms lag.
-
-**If the user nonetheless wants the connected sample**, the executable recipe:
-
-1. Launch Release against local ACE with `ACDREAM_PROBE_REMOTE_LANDING=1` plus
- `ACDREAM_PROBE_RESOLVE=1`, piping to `launch.log`.
-2. Second client (retail or a second acdream) on a **player** character within
- ~20 m; have it jump repeatedly in view.
-3. Sample: for each `[remote-landing] site=controller guid=0x50......` line,
- find the next `site=per-tick` line for the same guid and the intervening
- `[resolve]` lines naming that guid as the responsible entity.
-4. **Cosmetic** iff every `controller` line is followed by a `per-tick` line for
- the same guid within 40 ms, with no intervening `[resolve]` line reporting a
- collision responsible-entity match against that guid at the pre-snap pose.
-5. **#184-class** iff a `controller` line for a player guid is followed by
- > 100 ms with no `per-tick` line for that guid while the guid remains inside
- the 96 m bubble — i.e. the gate genuinely never re-fires.
-
-Note that step 5's condition is exactly the >96 m residual of §5 inverted; if it
-ever trips *inside* the bubble, §3 is wrong and the verdict must be revisited.
-
----
-
-## 8. Why no build or test run
-
-The worktree has **13 modified and 4 untracked files** from a concurrently
-running implementer (`SessionPlayerComposition.cs`, `StreamingController.cs`,
-`WorldRevealCoordinator.cs`, `PhysicsEngine.cs`,
-`RuntimeWorldTransitState.cs`, and seven test files). Building would compile
-their in-progress edits, could fail for reasons unrelated to #316, and would
-lock output assemblies underneath them. None of the modified files is on any
-path in this report's evidence chain, so the source read is unaffected.
-
----
-
-## 9. Adjacent observations (NOT #316 — filed here so they are not lost)
-
-1. **A possible masking hole in the canonical placement commit.**
- `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs:5037-5038` stamps
- `remote.LastShadowSyncPosition = result.Position` **before** the
- `IsCanonicalPlacementCommitCurrent` guard at `:5138-5146`, which can
- `return false` before `ShadowObjects.CommitSetPosition` at `:5148` ever runs.
- On that path the bookkeeping claims a pose the shadow never took, which
- would *mask* the §3.2 invariant check until the body drifts >1 cm from
- `result.Position`. Reachability is unproven — the guard fires only when the
- commit was superseded, which normally implies a replacement owner — but the
- write ordering is the wrong way round regardless. Worth its own five-minute
- read; do not fold it into a #316 fix.
-
-2. **The `RemoteContactArm.AirborneSnap` name is misleading.** Its predicate is
- `!Body.InContact`, so it is the whole airborne period, not the landing edge.
- Every comment in `LiveEntityNetworkUpdateController.cs` still calls it "the
- dissolved LANDING TRANSITION block". That is the stale-comment class the
- campaign has hit repeatedly.
-
----
-
-## 10. Recommended fix shape — **NOT YET APPROVED**
-
-If the user wants #316 closed rather than downgraded, the minimal change is to
-delete the guid predicate at `LiveEntityNetworkUpdateController.cs:2944-2945`,
-making the publish unconditional across arms and guids — which is what the
-file's own #184 Slice 2b comments already claim happens, what retail's
-`SetPositionInternal` does by construction (§4), and what the NPC half already
-does today. It is strictly additive: a publish that would have happened 33 ms
-later happens now, and `LiveEntityShadowPublisher.CanPublish`
-(`src/AcDream.App/Physics/LiveEntityShadowPublisher.cs:46-55`) already gates it
-on Hidden / entity identity / position authority / spatial-motion currency.
-
-That would also close the §5 residual, which is the only part with no bound.
-
-Per the issue's own resolution note this must be its own commit with a
-dual-guid test, and it retires the two matrix tests' `_316Preserved` half. It
-must **not** be smuggled into any refactor.
-
-Given the measured severity, filing it behind #280 / AP-22 / AD-10 rather than
-ahead of them is defensible.
diff --git a/docs/research/2026-08-05-317-velocity-chain-audit.md b/docs/research/2026-08-05-317-velocity-chain-audit.md
deleted file mode 100644
index ac9c08a6..00000000
--- a/docs/research/2026-08-05-317-velocity-chain-audit.md
+++ /dev/null
@@ -1,186 +0,0 @@
-# #317 — accepted-Position velocity chain: retail audit (2026-08-06)
-
-Report-only per `CLAUDE.md`'s investigation rule. **No code changed, no fix
-applied, no fix approved.** Written at HEAD `3aab05b0` (branch
-`claude/acdream-physics-divergence-5aa784`).
-
----
-
-## Verdict: **NO RETAIL BASIS.** Velocity is a separate wire channel in retail, and acdream's Position path crosses it.
-
-Retail installs a remote body's velocity in exactly one function, gated on a
-timestamp channel that an accepted Position never advances. acdream commits the
-Position packet's velocity on *every* accepted Position. The correct retail
-mechanism **already exists in acdream** on the VectorUpdate path, so the
-Position-path call is both non-retail and redundant with a correct sibling.
-
-Severity stays **LOW** — no observable defect is known, and §5 lists what I
-could *not* establish. This is not a "rip it out tonight" finding.
-
----
-
-## 1. Retail's velocity chain — verified by symbol
-
-### 1.1 The sole installer
-
-`SmartBox::DoVectorUpdate` @0x004521C0 (pseudo-C 91208). Body:
-
-```
-004521db wrap-safe compare of incoming stamp (edi) vs arg2->update_times[3]
-004521e5 if (eax_4 > 0x7fff) c = edi < esi ; wrapped
-004521e7 else c = esi < edi ; unwrapped
-004521f5 if ()
-004521f7 arg2->update_times[3] = edi ; stamp VECTOR_TS
-00452204 if (arg2 != this->player):
-0045221e CPhysicsObj::set_velocity(arg2, arg3, 1)
-0045222c CPhysicsObj::set_omega(arg2, arg4, 1)
-00452204 else if (cmdinterp->UsePositionFromServer() != 0):
-0045221e CPhysicsObj::set_velocity(arg2, arg3, 1)
-0045222c CPhysicsObj::set_omega(arg2, arg4, 1)
-```
-
-`update_times[3]` is **VECTOR_TS** — a different channel from Position's
-`update_times[0]` (POSITION_TS, stamped at @0x00454079/@0x00454084 in
-`HandleReceivedPosition`).
-
-> **Binary Ninja artifact, noted for successors.** The gate renders as
-> `if (-((eax_4 - eax_4)) != 0)` @0x004521F5 — always false — the same dropped
-> flag-test artifact the C5b review hit in `HandleReceivedPosition`'s Gate A.
-> The real predicate is the `c` computed at @0x004521E5–@0x004521E7. The
-> neighbouring `SmartBox::HandlePlayerTeleport` @0x00452150 carries the
-> identical artifact @0x00452186. **Do not read a comparison in this function
-> family from the pseudo-C**; disassemble the PDB-paired binary.
-
-### 1.2 Its only two callers — neither is the Position path
-
-Exhaustive grep of `DoVectorUpdate(` across `acclient_2013_pseudo_c.txt`:
-
-| call site | enclosing function |
-|---|---|
-| @0x004534E6 (92225) | `SmartBox::HandleVectorUpdate` @0x00453480 — the dedicated VectorUpdate wire handler |
-| @0x00454EE9 (93916) | `SmartBox::HandleCreateObject` @0x00454C80 — initial PhysicsDesc |
-
-**`SmartBox::HandleReceivedPosition` @0x00453FD0 is not among them.**
-
-### 1.3 The Position path's only `set_velocity` zeroes the LOCAL player
-
-@0x004541B4 (93029), inside `HandleReceivedPosition`'s teleport arm —
-`set_velocity(player_2, &var_54, 1)` with a zero vector, after `TeleportPlayer`.
-It is a local-player teleport reset, not a remote velocity install. This
-confirms C4 route 5's finding rather than inheriting it.
-
-### 1.4 Retail *receives* the wire velocity and discards it on this path
-
-`PositionPack::UnPack` @0x00516740 (284585) parses origin, the flag-gated
-quaternion components (bits 8 / 0x10 / 0x20), a **velocity** (written
-@0x005167E9), and a `placement_id` (@0x00516828/@0x00516830).
-`SmartBox::UnpackPositionEvent` @0x004542C0 unpacks into a stack `PositionPack`
-(`var_68` @0x004542E2), resolves the object, and proceeds to the
-`update_times[8]` compare. The parsed velocity is never routed to
-`DoVectorUpdate` or `set_velocity`.
-
-**So retail's behaviour is deliberate, not accidental**: the byte is on the
-wire, retail decodes it, and the Position path does not install it. Only a
-VectorUpdate (or a CreateObject's PhysicsDesc) moves a remote's velocity.
-
----
-
-## 2. acdream's side
-
-**Call site:** `src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs:2459`
-— on every accepted Position that passes the position/velocity authority
-checks, commits `acceptedSpawn.Physics?.Velocity ?? Vector3.Zero` through
-`_liveEntities.TryCommitAuthoritativeVelocity(...)`.
-
-**Method:** `LiveEntityRuntime.TryCommitAuthoritativeVelocity`
-(`src/AcDream.App/World/LiveEntityRuntime.cs:2824`) → `TryCommitAuthoritativeVectorCore`
-with `angularVelocity: null` → `_physics.TryCommitAuthoritativeVector(...)`.
-
-**The sibling that IS retail-correct:** `TryCommitAuthoritativeVector`
-(`:2843`), whose own doc comment reads *"Commits the paired retail VectorUpdate
-writes (`set_velocity`, then `set_omega`) to one canonical body."* That is
-`DoVectorUpdate`'s exact shape, on the correct channel.
-
-**The wire does carry it.** `UpdatePosition` parses
-`PositionFlags.HasVelocity = 0x01` → 3×f32
-(`src/AcDream.Core.Net/Messages/UpdatePosition.cs:47,132-136`), mirroring
-retail's `PositionPack`. So acdream is not inventing data — it is installing
-data retail decodes and drops.
-
-**The divergence, stated exactly:** acdream lets the POSITION channel write
-`body.Velocity`; retail lets only the VECTOR channel (and CreateObject) do so.
-A stale or unrelated velocity riding a Position packet is therefore installed
-by acdream and ignored by retail. Note also that acdream's call passes
-`?? Vector3.Zero` — a Position packet *without* `HasVelocity` actively zeroes
-the body's velocity, which retail never does on this path.
-
----
-
-## 3. Issue text: accurate at HEAD
-
-`docs/ISSUES.md:340` is correct in every checked particular — the route-5
-disassembly finding, the corrected in-place comment (still present and accurate
-at `LiveEntityNetworkUpdateController.cs:2435-2451`), and the "call left
-unaudited" status. The `~line 2420` / `~line 2444` citations have drifted to
-`:2435` and `:2459`. Nothing stale in substance.
-
----
-
-## 4. Recommended action — **NOT APPROVED**
-
-Two defensible outcomes; §5 decides which.
-
-**(a) Remove the call.** It is a channel crossing retail does not perform, and
-the retail-correct mechanism already exists on the VectorUpdate path. This is
-the honest fix *if* §5 shows nothing depends on it.
-
-**(b) Keep it and file a register row** as a deliberate acdream adaptation —
-the same class as **AP-135**, which files acdream-only per-packet bookkeeping
-writes on the airborne no-op branch. If ACE's Position cadence is the only
-practical velocity source for remotes in our stack, a row is the honest
-outcome and removal would be the regression.
-
-**Do not fold either into another slice.** This call sits on the hottest inbound
-path and its removal is a behaviour change; it deserves its own gate.
-
----
-
-## 5. What I could NOT establish (flagged, not guessed)
-
-1. **What consumes `body.Velocity` for a remote, and whether removal regresses
- anything.** This is the decisive input and it is unmeasured. Specifically
- unresolved: whether **AP-80**'s velocity-derived animation cycle reads this
- field for remotes. The call site's own comment says the Position-*delta*
- velocity computed further down is "animation diagnostics, never substituted
- into physics" — which implies this call is the one that does write physics,
- but I did not trace the readers.
-2. **Whether ACE actually sets `HasVelocity` on remote Position updates**, and
- how often. If it never does, acdream's `?? Vector3.Zero` is the live
- behaviour and the analysis above changes character — it becomes "acdream
- zeroes remote velocity on every Position," which is a different and possibly
- more consequential divergence than "acdream installs a stale one." A
- WireMCP loopback capture against the local ACE answers this cheaply.
-3. **Whether acdream's VectorUpdate path is wired and reached in production**
- at all. If it is dormant, removing the Position-path call would leave remote
- velocity with no writer, and (b) becomes correct by default.
-
-Each is a bounded follow-up. None requires the retail binary again — the retail
-half of this audit is settled.
-
----
-
-## 6. Retail anchors cited
-
-| symbol | address | pseudo-C |
-|---|---|---|
-| `SmartBox::DoVectorUpdate` | 0x004521C0 | 91208 |
-| — its `set_velocity` / `set_omega` | 0x0045221E / 0x0045222C | 91233 / 91234 |
-| — its VECTOR_TS gate + stamp | 0x004521E5 / 0x004521F7 | — |
-| `SmartBox::HandleVectorUpdate` | 0x00453480 (call @0x004534E6) | 92225 |
-| `SmartBox::HandleCreateObject` | 0x00454C80 (call @0x00454EE9) | 93916 |
-| `SmartBox::HandleReceivedPosition` | 0x00453FD0 | 92896 |
-| — its only `set_velocity` (zeroes LOCAL player) | 0x004541B4 | 93029 |
-| `SmartBox::UnpackPositionEvent` | 0x004542C0 | 93055 |
-| `PositionPack::UnPack` | 0x00516740 | 284585 |
-| — its velocity write | 0x005167E9 | — |
-| BN dropped-flag artifacts | 0x004521F5, 0x00452186 | — |
diff --git a/docs/research/2026-08-05-c4-closeout-handoff.md b/docs/research/2026-08-05-c4-closeout-handoff.md
deleted file mode 100644
index c4b69e99..00000000
--- a/docs/research/2026-08-05-c4-closeout-handoff.md
+++ /dev/null
@@ -1,507 +0,0 @@
-# C4 closeout handoff — every route landed; four connected gates owed (2026-08-05)
-
-Written at C4's implementation closeout. **Read this before touching anything.**
-
-> ## ⚠ BISECT HAZARD — commits `735f0a72..23aa62f2`
->
-> Added 2026-08-05 at the C5b closeout. **A `git bisect` that lands anywhere
-> in that three-commit range will hit a live, unrelated headless defect.**
-> `735f0a72` (C5b) made the steady-state Position merge withhold the wire
-> cell and relied on a replacement writer that lives in `AcDream.App`; the
-> no-window host has no analogue, so across that range **every remote
-> entity's `FullCellId` is frozen at its placement value for the whole
-> session** in `AcDream.Headless`, and the local player loses one of
-> AP-146's three cell-refresh edges. Nothing throws; no test in the range
-> fails. A bot's `RuntimeEntitySnapshot.CellId` simply stops advancing and
-> `RuntimeSetPositionState.IsAffectedCollisionResident` parks bodies against
-> a landblock they have left. Fixed at `ff100cf3`. The range is exactly
-> `735f0a72`, `ed806997`, `23aa62f2`.
->
-> If you are bisecting a headless cell/residency symptom, treat any `bad`
-> verdict inside that range as suspect and re-test with `ff100cf3`'s
-> `RuntimeLiveEntitySessionController.TryCommitAcceptedWireCell` cherry-picked
-> on top. Structural cause: issue **#324**. Residual duplication: **AD-64**.
-> Full write-up: `docs/research/2026-08-05-c5b-contract.md` §15.3.
-
-## Where the branch is
-
-- Worktree `C:\Users\erikn\source\repos\acdream\.claude\worktrees\peaceful-visvesvaraya-e0a196`
-- Branch `claude/acdream-physics-divergence-5aa784`, HEAD **`e0f96a55`**
-- **`main` is at `c7d5fc14` and must stay there.** The commits on this branch are
- deliberately unmerged. Do not merge, rebase, or push unless the user asks.
-- Complete Release suite: **11,090 passed / 4 skipped / 0 failed** at
- `e0f96a55`. This is the measured baseline (up from 11,027 at `2eb39a02`,
- the previous handoff's figure). Any deviation is a regression you
- introduced. Measure, never inherit:
- ```
- $env:ACDREAM_PAK_PATH = "$env:USERPROFILE\Documents\Asheron's Call\acdream.pak"
- dotnet test AcDream.slnx -c Release -m:1
- ```
-- Two known flakes — do **not** chase, and do **not** conflate (they have been
- conflated twice): **#302** `PortalProjectionTests.ClipToRegion_FrameOwnedStore_…`,
- a GC-allocation assertion in App.Tests; **#308** `NakEmissionTests.LossSoak_…`,
- a wall-clock deadline in Core.Net.Tests that fails only under full-suite
- load. A third look-alike (`WarmedSteadyContactRefreshDoesNotAllocate`)
- appeared once during route 7 and was proven NOT route 7's by reachability
- (zero `SetFullCell`/`ParentAttachments` references in the measured window) —
- it is the #302 class.
-
-## What landed this session
-
-C4 is **implementation-complete**. Every route now places through the
-canonical Runtime owner; what remains for C4 is exclusively the four owed
-connected gates below, then C5.
-
-| commit | what | review record |
-|---|---|---|
-| `6dc7ba51` | **route 4b-3** — remote teleport + cell-less through canonical placement; deletes `RemoteTeleportController` (605), `RemoteTeleportPlacement` (85), ~1,709 test lines | dual round 1 FAIL/FAIL → round 2 delta PASS/PASS; three NPC-arm MAJORs closed (A1 zero-arm leash regression, R1 missing D2 shape, R3/A2 synthesized run-cycle velocity). Docs at `8c269ad1` |
-| `21cd6e9b` | 4b-3's connected gate recorded **PASSED (partial)** — 16 `[remote-teleport]` probe lines, 7 creatures, all `cause=teleport-ts`; `cause=cellless` never observed (gate 4 below) | — |
-| `1b484937` | **route 6** — drops/split-recovery **closure, zero production lines**; 7 sabotage-verified coverage tests over the C3c-flipped path; corrected the campaign plan's false effect-replay premise | contract-governed closure, no dual reviews (nothing to review — the stop condition was "any production diff means the finding is wrong") |
-| `daef7c98` / `b260bcd1` | **#314** — split recovery threw instead of recovering (retained Movement/ServerControlledMove timestamps). Found BY route 6's coverage tests, in the exact mechanism the scoping cited as evidence drops converge. Split into its own commit immediately (process rule 2) | — |
-| `a89bcb39` | **#316 filed** — player-arm LANDING TRANSITION block never publishes the collision shadow. Found by the OnPosition-collapse scoping; neither 4b-3 review round caught it | — |
-| `edc911b0` | the **OnPosition dual-tail collapse** — one shared player/NPC remote tail | — |
-| `aaf0811f` / `30d3d114` | **#315 closed** — cached remote-arm callbacks instead of a per-packet `Func` closure (+ closing-SHA correction) | — |
-| `36255af0` | **route 5** — projectile authoritative placement (#276 partial). Byte-decode hard gate first (`MoveOrTeleport` @0x00516330 never reads its velocity arg); conjunctive `ProjectileAuthoritative` predicate; AP-141 filed | three dual rounds, 8 MAJORs closed; round 3: retail PASS (C1 must-fix doc correction), architecture FAIL on coverage-only C1, closed in-commit with two sabotage-verified `Advance()` retry-arm tests |
-| `cff52c44` | stale `set_velocity` comment correction at the 4a velocity commit (spawned #317) | — |
-| `ca96ea5e` | research: retail parent-cell propagation settled + route 3 scoped | — |
-| `19ebf043` | route 3 contract pinned (the portal producer adapter) | — |
-| `cd3129e9` | **route 7** — child cell propagation moves from a render tick into Runtime; `ClassifyLeaveWorld` family deleted; headless parent-realize drive; iterative-worklist propagation (depth cap deleted); AP-142/AP-143 filed | dual round 1 FAIL/FAIL (R1–R11 / A1–A10) → round 2 delta PASS/PASS (N/B findings) → coordinator-required third pass (the depth-cap deletion both round-2 reviews independently demanded, N4/B3); 5 MAJORs total |
-| `e0f96a55` | **route 3** — portal placement authority (local player); the first `RuntimePortalPlacementAuthority` producer; both duplicate authorities deleted; AP-144/AP-145 filed, AD-42 deleted, #318 filed | dual round 1 FAIL/FAIL → dual round 2 FAIL/FAIL (near miss) → round-3 fix pass accepted per both round-2 reviews' explicit pass conditions (§G of each). **No standalone round-3 review doc exists** — the round-3 record is the commit message, #318, and AP-144/AP-145 |
-
-Suite trajectory across the session, all measured: 11,027 (`2eb39a02`) →
-11,013 (`6dc7ba51`, net of the 1,709-line test deletion) → 11,020
-(`1b484937`) → 11,036 (`30d3d114`) → 11,063 (`36255af0`) → 11,079
-(`cd3129e9`) → **11,090 (`e0f96a55`)**. Zero failures at every checkpoint.
-
-## The four owed connected gates — NONE has been run
-
-These are the whole of C4's remaining debt. Each pass criterion includes its
-probe evidence: **a clean-looking session with no probe lines is a not-run,
-never a pass** (process rule 5; the 4b-2 #309 precedent and the 4b-3 partial
-both exist because of this rule).
-
-### Gate 1 — route 6: drops (user-run, visual)
-
-Recipe (route 6 contract, Gates section):
-
-1. Drop a whole item on open ground — lands at your feet, resting,
- immediately pickable.
-2. Split a partial stack to the ground — correct quantity on the pile,
- remainder in inventory.
-3. Drop a second item within ~1 m — both remain visible and separately
- pickable.
-4. Repeat once indoors and once after a portal recall.
-5. Walk two landblocks away and back — both piles still there, still
- pickable.
-
-Pass criterion: all five visuals clean. Regressions to watch: item at world
-origin or your *previous* position (stale pose); invisible but blocking
-(#184 class); sunk into / floating above the floor; not pickable; the split
-pile never appears (recovery window failed — the #314 mechanism); the second
-drop swallowed by the first. No probe exists for this route (it is route-1
-traffic); this is the one purely visual gate.
-
-### Gate 2 — route 7: equip/carry across landblock boundaries (two-client)
-
-`ACDREAM_PROBE_CHILD_CELL=1`. Recipe (route 7 contract §7):
-
-1. Equip/unequip cycle — weapon then shield, five times, observer watching:
- in the hand, at the hand, oriented with the hand, clean disappearance on
- unwield.
-2. **Carry across ≥2 landblock boundaries and back**, both directions of
- observation, including one indoor/dungeon traversal (EnvCell-to-EnvCell
- crossings are the high-frequency case).
-3. Pickup: drop the weapon, pick it back up — leaves the ground, no ghost,
- no invisible collider at the drop site.
-4. Loot an equipped item from a kill (the delete edge under load).
-5. Reconnect with equipment — re-attaches.
-6. Portal recall while equipped — equipment present and following after
- arrival.
-
-**Pass criterion — CORRECTED 2026-08-05, the original was unfalsifiable.**
-
-The original read: *"the session counts ONLY if `[child-cell]` lines with
-`cause=propagate` appear during step 2."* **That criterion cannot fail in the
-presence of the bug it exists to catch.** #319 makes a player-parented child
-emit NO probe line at all, so the defect's signature is ABSENCE — which the
-old wording reads as "you didn't exercise it" rather than "it is broken." Two
-captured gate logs (`c4-gates.log`, `c5-gates.log`) contain #319 and neither
-flags it; the second was even run specifically to thicken this gate.
-
-A gate whose failure mode is indistinguishable from a not-run manufactures
-confidence. Replace it with a POSITIVE assertion:
-
-1. **Assert the equipped child's `FullCellId` EQUALS the parent's** after a
- landblock crossing — read it, do not infer it from probe volume. A zero
- child cell is a FAILURE, not a silence.
-2. Then, and only as a secondary check, expect `cause=propagate` counts in
- double digits across several crossings.
-3. Run it with a **player** parent AND a **creature** parent. #319 exists
- precisely because every probe-firing parent in both captured logs was
- `0x7…`/`0x8…` (instance sequence 0) and the sole `0x5…` player parent was
- the sole failure. A gate that only ever sees sequence-0 parents is blind to
- the entire player class.
-
-Regressions: weapon drawn at the world origin or its last ground
-position; invisible while equipped; **left behind at a landblock boundary**
-(the D4 demotion's specific risk); invisible-but-solid at a former position
-(#184); child culled while the parent is visible or vice versa. The headless
-half's direct regression test
-(`DirectSink_D5_StandaloneParentEventCommitsChildToParentsExactCell`) is
-already in-tree and green; a headless probe session
-(`cause=headless-attach`/`propagate`) remains a nice-to-have per the
-contract.
-
-### Gate 3 — route 3: portal/recall (user-run, two-client)
-
-Release build, `ACDREAM_RETAIL_UI=1`, `ACDREAM_PROBE_LOCAL_TELEPORT=1`, live
-ACE. One session exercising, in order (route 3 contract §9):
-
-1. a physical outdoor portal (e.g. Holtburg portal);
-2. a dungeon portal (indoor destination — the EnvCell readiness path);
-3. `/ls` lifestone recall AND one spell recall (the F751 recall family);
-4. an ACE admin teleport of the LOCAL player (`@teleto`/`@teleloc`);
-5. a same-destination revisit (ACE may omit CreateObject on revisit);
-6. autorun through a portal — arrival must be at REST (the
- `PlayerTeleported` port observable: autorun cancels on arrival);
-7. graceful close.
-
-**Pass criterion: the session counts ONLY if `[local-tp]` lines actually
-appear** — one per arrival with `placement=Committed`, the portal
-generation/sequence, resolved destination cell, `leash=armed`,
-`autorun=cancelled`, and zero `Refused`/`Contention` lines in ordinary play.
-Plus: the accepted purple-materialization visuals with no opaque pop, camera
-reset behind the player, movement works immediately with W held, idle stance
-(no run-in-place), no rubber-band/tether; a second client observing sees a
-normal materialization and stance; the exact lifecycle/reconnect gate passes
-with every `transitOwnership` counter zero at stable checkpoints. The two
-refusal causes (`stale-reveal`, `host-token-unavailable`) now log through
-`LogLocalTeleportArrival` under the same probe flag — the round-2 review's
-blindness finding is fixed, so refusals cannot hide.
-
-**This gate is explicitly NOT scored as covering #318.** The connected
-session exercises the live path but asserts nothing about
-`PhysicsEngine.ShadowObjects`; #318's composition test is a separate, C5
-deliverable. Do not fold them.
-
-Honest-gap rule carried from the contract: mid-transit supersession and
-mid-transit disconnect are hard to provoke against ACE — if the session does
-not produce them, record the stale-generation behaviour as
-test-verified-only, never inside a blanket "gate passed".
-
-### Gate 4 — route 4b-3's `cause=cellless` case: still unexercised, and its recorded recipe is now INVALID
-
-The 4b-3 gate passed for `cause=teleport-ts` only (`21cd6e9b`). The recorded
-closure recipe — "unwield-to-3D is the cheapest reachable trigger" — **was
-invalidated by route 7** (route 7 contract §11; the supersession note is
-already appended to the 4b-3 contract): after D1/D2, a committed child's
-canonical cell is deterministically the parent's, so an unwield Position
-arrives with a NON-zero pre-merge cell and classifies by
-TELEPORT_TS/distance — which is retail's own predicate population (retail's
-`unset_parent` does no cell work either). The old recipe only ever worked
-because of the render-tick two-writer defect route 7 closed.
-
-**The replacement trigger is UNESTABLISHED.** What is needed: a Position on
-a body that is genuinely withdrawn/never-celled at merge time (between a
-`CommitWithdrawal`/`CommitAcceptedParentCellless` cell-less edge and its
-next accepted Position, or an initial Create that never resolved a cell).
-Whether ACE ever emits an UpdatePosition in that exact window is not
-established — this needs its own investigation before a live recipe can be
-written down. Until then the cell-less arm remains covered by the synthetic
-`PreMergeCommittedCellId == 0` fixtures only; do not re-label those as live
-behaviour, and do not score any teleport-ts session against this gate.
-
-## Open issues created or touched this session
-
-| # | status | one line |
-|---|---|---|
-| #313 | OPEN | retail `DeclareValid`'s `SetSelectedObject` split-recovery selection transfer not ported; selection UX, deliberately kept out of the placement closure |
-| #314 | **CLOSED** (`daef7c98`) | split recovery threw on nonzero retained Movement/ServerControlledMove timestamps — found by route 6's coverage tests in the exact mechanism cited as evidence of convergence |
-| #315 | **CLOSED** (`aaf0811f`; SHA corrected `30d3d114`) | per-packet `runTeleportHook` closures replaced by cached remote-arm callbacks |
-| #316 | OPEN | player-arm LANDING TRANSITION block never publishes the collision shadow. **Measure before fixing** — either a ~33 ms cosmetic lag or a real #184 instance; the issue names the measurement |
-| #317 | OPEN | `TryCommitAuthoritativeVelocity`'s call site has no established retail basis (route 5's byte-decode disproved the comment it carried); needs a full accepted-Position velocity-chain audit |
-| #318 | OPEN → C5 | route 3 §8 items 8/9/10 residual: no end-to-end composition test, no shadow assertion, no T8 ordering proof (below) |
-| #309 | OPEN, re-scoped | largely superseded by #312 (closed `b1f914d5` last session); the surviving narrow half is retail's `GotoLostCell` hidden-until-`reenter_visibility` behaviour |
-
-Register rows this session: **AP-141** (route 5 projectile shapes; narrowed
-round 2, risk column corrected round 3 — the "drag toward a stale anchor"
-claim retracted by its own author), **AP-142** (parented-child single-field
-cell model; amended twice; clause (e)'s depth cap RETIRED outright —
-replaced by the iterative worklist), **AP-143** (headless parent-realize
-skips all three graphical attach validations; inertness argued per check),
-**AP-144** (portal movement-event send gates on `UsePositionFromServer`
-(`autonomy_level != 2`) where retail's `SendMovementEvent` gate is
-`!= 0`; diverges only at unreachable level 1), **AP-145** (the
-collision-shadow cache-without-publish asymmetry, carried as #318). AD-42
-deleted (route 3 ported its last citation); AD-2 amended.
-
-## What C5 inherits
-
-1. **The #318 composition test** — drive a real portal arrival through the
- canonical drive controller and the REAL `RuntimePlacementPresentationSink`
- against a REAL `PhysicsEngine`, then assert
- **`PhysicsEngine.ShadowObjects` holds a row at the destination
- cell/position — not just `LocalPlayerShadowState`'s internal dedup
- cache** — plus the T8 write ordering. That discriminating assertion
- exists because of **AP-145's asymmetry**: `TryPublishPlace` calls
- `LocalPlayerShadowState.Set` directly, a plain cache write that bypasses
- `LocalPlayerShadowSynchronizer.SyncPose`'s `ShadowObjects` publish AND
- pre-seeds `SyncPose`'s dedup check with the destination pose — so the
- next movement tick can skip its own publish too. A test that asserts only
- the cache is satisfied by the bug.
-2. **The legacy-deletion sweep + closeout gates** (the C5 slice as planned):
- parity tests, final-binary suite/soak/lifecycle routes, two-client
- observation, user visual matrix; retire AP-1, AD-1, AP-131, AD-60's
- legacy half; close #275. Named sweep candidates recorded by route 3:
- `ILocalPlayerTeleportPlacement` (now a thin acknowledge seam) and the
- test-only `BeginAcceptedPlacement`/`BeginAuthoredPlacement` wrappers.
-3. **#280** (portal destination prefetch) — campaign plan item 3, its own
- slice with its own visual gate; deliberately NOT bundled with route 3.
-4. **#276 remainder** — route 5 closed only its projectile half; the
- `SpawnPlacementSettler` settle-cell discard stays open. **#277** was not
- folded (no radius changed); its service-window conversion remains
- trigger-conditioned on any streaming/broadcast radius change.
-5. **#316's measurement**, **#317's velocity-chain audit**, **#313**
- (selection UX, outside placement), **#309's re-scoped narrow half**.
-6. **The cell-less live-trigger investigation** (gate 4 above).
-7. **The TEMPORARY probe family strip** once physics settles:
- `ACDREAM_PROBE_REMOTE_LANDING`, `ACDREAM_PROBE_REMOTE_SLIDE`,
- `ACDREAM_PROBE_PARK`, `ACDREAM_PROBE_REMOTE_TELEPORT`,
- `ACDREAM_PROBE_CHILD_CELL`, `ACDREAM_PROBE_LOCAL_TELEPORT` — strip as a
- family, but NOT before the four owed gates have consumed them.
-
-## Process findings — stated as rules for the next session
-
-These are distilled from what actually went wrong (and right) this campaign.
-Each carries its citation so you can check it instead of trusting it.
-
-**(a) The contract causes the defect.** Three separate defects came from a
-contract asserting a mechanism that did not exist. Route 4b-2 round 1: the
-contract said "arm `ConstrainTo` on refusal" without "and still advance the
-pose" — a frozen remote. Route 7 R1: the contract enumerated `enter_cell`'s
-five writes but silently dropped the `part_array` guard AROUND them — a
-guard the propagation research itself had called "load-bearing"; the commit
-message names it "a right finding that evaporated across two handoffs with
-nobody re-reading the source". Route 3 round 1 (the worst): the contract
-assumed `TeleportAnimEvent.Place` re-fires on later Ticks after a refusal;
-it does not, so a refused Place released the player at the pre-teleport
-position while the anim stream marched on. **Rule: before building on a
-load-bearing premise, verify it in code at implementation start — a
-contract's "the mechanism will retry" is a claim, not a fact, until you have
-read the retry.**
-
-**(b) Inferring a fact you can observe is how a fix becomes silent.** Route
-3 round 2 "fixed" round 1 by inferring "the placement committed" from a
-global `PendingCount == 0` — which three non-committing paths also produce
-(including the drive's own documented modal outcome). The SAME bug then
-completed cleanly and passed its invariant: strictly worse than round 1,
-which at least tripped the portal-complete-before-materialized invariant.
-Round 3 latches the commit where it actually happens
-(`ReconcileAndAcknowledgePortal` → `TryConsumePortalCommit`, keyed on reveal
-generation + teleport sequence), sabotage-verified on both hosts. **Rule:
-never infer from an aggregate what the system can tell you directly. If the
-observable exists, read it; if it does not, build it — an inference that
-happens to correlate today is a defect with a delay timer.** (Commit
-`e0f96a55`; arch round-2 B1.)
-
-**(c) Planning documents go stale across cutovers.** Five (at least) were
-wrong against HEAD this session: the campaign plan (route 6's effect-replay
-premise `:98-100`, unsubstantiated — corrected at `1b484937`; the route-3
-"adapter does not exist" line — only the producer was missing, corrected at
-`e0f96a55`'s docs); the 2026-08-02 cutover route inventory (wrong in eight
-enumerated ways — route 3 scoping §3); the routes-6-7 scoping (five
-substantively false or superseded claims — route 7 contract §10); the
-2026-07-16 portal-completion pseudocode (portal arrival attributed to
-`enter_world`, which is the login path — corrected in `e0f96a55`); and the
-2026-08-04 session handoff (#280 bundling overridden with cause; its
-cell-less recipe later invalidated by route 7). Related: the 2026-08-03
-handoff's "six fixture failures" was a mis-measurement — the baseline found
-43 (#281). **Rule: re-verify every inherited claim by symbol, never by line
-number; measure every count, never inherit one; and when you correct a
-document, date the correction in place rather than deleting the history.**
-
-**(d) A skipped test is a permanent false signal.** Route 3's fix pass
-refused to accept 7 skipped tests and drove the count to zero — and that
-refusal uncovered a production bug that made an entire code path dead:
-`TryExecuteCanonicalPortalPlacement` re-read the accepted destination at
-Place time, but `TryBeginPortalReveal` had already consumed that slot at Aim
-time, so the canonical portal arm was 100% dead code and every real Place
-would have refused with `host-token-unavailable`. The skips were the only
-symptom. **Rule: a skip is an assertion nobody is making. Do not park a
-test as skipped to protect a green count — the thing it cannot assert is
-exactly where the defect is.** (Commit `e0f96a55`.)
-
-**(e) Sabotage-verify — and beware a test that reads a production constant
-it also perturbs.** Every new discriminating test this session was
-sabotage-verified (break the behaviour, watch the test fail, restore). Two
-findings sharpen the practice. First: route 7 shipped a test that survived
-deleting the entire behaviour it claimed to pin, because its assertion read
-a field (`WorldEntity.ParentCellId`) written unconditionally one line before
-the demoted call — the sabotage must be run in BOTH directions (canonical
-half and presentation half separately; route 7 contract §6 test 10).
-Second: the route-7 depth test both READ `MaxPropagationDepth` and SIZED its
-chain by it — so a perturbation of the constant built a 64,000-node chain
-and stack-overflowed the test host (arch round-2 B7, which then swept
-`tests/` for the same shape and found one more with real blast radius:
-`LandblockLoaderTests.cs:210`). **Rule: sabotage both halves of every
-dual-layer assertion, and never derive a test's workload from the constant
-under test — pin the constant with a literal first, then use literals.**
-
-**(f) Reviewers retract; that is the process working.** Three
-self-retractions this campaign, two of which prevented shipping a wrong
-register row or a relocated defect: (1) route 5 round 1's R6 finding was
-retracted the following round as factually wrong — and complying with it had
-produced the campaign's one recorded fix-round defect, the `ParentCellId`
-regression; the round-3 fix is the REVERT to `record.FullCellId`, not the
-relocation R6 demanded. (2) Route 5 round 3's §C1: the retail reviewer
-retracted their OWN round-2 claim that a stale leash "would drag the body
-toward a stale anchor" ("I wrote the mistake it was copied from") — the
-port's `ConstraintManager` brakes, never pulls — preventing a wrong AP-141
-risk column from landing in the register. (3) Route 3's retail round-1 §3.4
-premise (that `TryApplyRuntimePlacementPlace` writes no pose) was verified
-WRONG by round 3 — it does write pose/rotation/`ParentCellId` and rebucket —
-dissolving the original blocking concern into #318's narrower coverage gap
-instead of a relocated "fix". **Rule (recorded in route 5's own commit):
-review findings are evidence to re-verify against the code, not commands to
-obey unconditionally — and a reviewer who retracts with cause is
-strengthening the record, not losing face.**
-
-**(g) Gates must be able to see the defect they gate.** Three gates were
-unpassable or blind as originally specified and were corrected BEFORE being
-run: (1) 4b-3's recipe named "a second character" as the teleport target —
-but a player-guid target cannot reach the NPC arm at all
-(`RemoteServerControlledVelocityCycle.Apply` early-returns for `0x50xxxxxx`
-guids), and all three of the fix round's MAJORs lived on the NPC branch, so
-a player-target run would have reported a clean pass over all three;
-corrected to creature-target (`@teleto` a drudge), and the passed gate's 16
-probe lines prove the NPC branch ran. (2) Route 3's two refusal causes
-logged under `ACDREAM_PROBE_TELEPORT` — a DIFFERENT flag from the gate's
-pinned `ACDREAM_PROBE_LOCAL_TELEPORT` environment — so a refusing session
-would have looked identical to a committing one; rerouted through
-`LogLocalTeleportArrival` before the gate (retail round-2 finding). (3)
-4b-3's cell-less closure recipe was invalidated by route 7 and is recorded
-as UNESTABLISHED (gate 4) instead of being left on file as a recipe that can
-no longer fire. Related in kind: route 5 has NO live gate by design (ACE
-never sends a missile UpdatePosition — `WorldObject_Tick.cs:333-334`) and
-says so, rather than inventing one. **Rule: before running any gate, walk
-the chain from the defect to the evidence channel and confirm each link
-actually fires under the gate's exact environment — and when a gate cannot
-exist, record that, never a substitute that measures something else.**
-
-## Connected-test recipes that worked (carried forward)
-
-- **Far snap:** stand still; second character runs past ~100 m, stops,
- turns, runs back. Three or four times.
-- **Steep slide:** second character jumps onto a sloped roof.
-- **Park:** move to a landblock not visited this session, have the remote
- arrive while it is still streaming, have them take a step, then stand
- still.
-- **Remote teleport (4b-3):** `@teleto`/`@teleloc` a CREATURE into view —
- never a player character (see rule (g)).
-- Graceful close matters — a hard kill leaves ACE holding the session
- ~3 minutes.
-
----
-
-## Connected gate RESULTS — 2026-08-05 (user-run, user-accepted)
-
-Run against the exact `e0f96a55` Release binary with the retail UI
-(`ACDREAM_RETAIL_UI=1`), `ACDREAM_PROBE_CHILD_CELL=1` and
-`ACDREAM_PROBE_LOCAL_TELEPORT=1`, live ACE at `127.0.0.1:9000`.
-Log: `c4-gates.log` (731 lines). **User verdict: "works great."**
-
-Three of the four owed gates were exercised in one session. Probe evidence,
-because a clean-looking session is not a pass:
-
-**Route 3 (portal) — PASS, unambiguous.** Three `[local-tp]` lines, every one
-`status=Committed hookTail=ran leash=armed`, across three distinct
-destinations (`0x00070143`, `0xA9B40019`, `0x1134001F`). `leash=armed` is the
-load-bearing observation: before the round-2 R3 fix the field read
-`IsFullyConstrained()` and was structurally incapable of printing anything but
-`unarmed`, so this line proves both the arm AND the corrected probe.
-
-**Route 7 (child cell) — PASS, but THIN.** 17 `[child-cell]` lines:
-13 `cause=attach`, 3 `cause=delete`, **1 `cause=propagate`**. The stated pass
-criterion (at least one `cause=propagate`) was met, so the gate was recorded
-as passing — but see #319: that criterion was UNFALSIFIABLE and this very log
-contains an undetected defect. Corrected above. The remaining note stands:
-propagation across a parent cell crossing is the slice's entire purpose, and
-one sample proves the path executes rather than that it is robust across
-repeated crossings. A future session should run several equipped landblock
-crossings and expect `propagate` counts in double digits.
-
-**Route 6 (drops) — PASS on visual only.** Route 6 has no probe (zero
-production lines by design), so this gate rests entirely on the user's visual
-confirmation. That is inherent to the route, not a gap in the run.
-
-**Gate 4 (4b-3 `cause=cellless`) — STILL NOT RUN**, as expected: its recorded
-trigger was invalidated by route 7 and the replacement is UNESTABLISHED.
-
-### Not exercised — recorded, not glossed
-
-- **Route 3's autorun cancel — CLOSED 2026-08-05, same session.** An earlier
- revision of this section recorded it as live-unverified, because the first
- three portals reported `autorun=unchanged`. That was true of those three and
- wrong as a conclusion. The user then portalled WITH autorun engaged and the
- fourth line reads `gen=5 seq=4 dest=0x00070145 resolved=0x00070145
- hookTail=ran leash=armed autorun=cancelled`.
-
- That verifies the `PlayerTeleported` @0x006B32B0 `SetAutoRun(0,1)` +
- `SendMovementEvent` port in live play, and it was a REAL gap before this
- slice: nothing cancelled the J5.4 autorun latch on arrival, so auto-running
- into a portal left you running on the far side where retail stops you.
-
- All four load-bearing fields on that line read correctly — `Committed`,
- `hookTail=ran` (inversion B: the local hook runs AFTER placement, opposite
- to 4b-3's remote arm), `leash=armed` (inversion A: armed here, opposite to
- route 2's ForcePosition rule), and `autorun=cancelled`.
-- **AP-144's autonomy divergence remains unreachable** (`TrySetAutonomyLevel`
- has zero production callers), so nothing in this session could have
- exercised it either way.
-- Per both round-2 reviewers' condition, **this session is explicitly NOT
- scored as covering #318** (the end-to-end presentation composition test).
-
----
-
-## Gate 4 (`cause=cellless`) — RESOLVED 2026-08-05: it was never a coverage gap
-
-The handoff previously carried gate 4 as "the cell-less half is unexercised,
-and route 7 invalidated its recorded trigger, so the replacement is
-UNESTABLISHED." **That framing was wrong, and the evidence to settle it was
-already in the captured logs.**
-
-`c5-gates.log` shows the user's pickup-then-drop test reaching the teleport arm
-five times, for the exact item guids in the `[B.5] pickup` lines
-(`0x800013B7`, `0x8000A6C6`), every one `hookRan=True placement=Committed` —
-but all labelled `cause=teleport-ts`.
-
-The classifier predicate is a SHORT-CIRCUIT OR
-(`RuntimeAuthoritativePositionRouteClassifier.cs:391`):
-
-```
-if (request.Authority.TeleportAdvanced || cellless)
-```
-
-`TryApplyPickup` zeroes the item's cell, so at the drop's classification
-`cellless` is genuinely TRUE — but ACE also advances TELEPORT_TS on the drop,
-so the FIRST operand matches and the probe reports `teleport-ts`. The
-cell-less condition occurs, classifies correctly, and commits correctly; only
-the probe's cause LABEL is shadowed by operand order.
-
-**Consequence: the cell-less path has been exercised in both gate sessions all
-along.** Gate 4 is closed, not owed. What was actually missing was never
-coverage — it was a probe whose label can be pre-empted by a co-occurring
-condition.
-
-**The general rule, worth more than the finding:** a probe that reports WHICH
-BRANCH MATCHED inside a short-circuit expression cannot distinguish "this
-condition did not occur" from "this condition occurred but another matched
-first." If a cause label is load-bearing for a gate, it must be computed from
-the conditions independently, not from the branch that won. Same family as
-#319's unfalsifiable criterion filed the same day: both are gates that cannot
-report the state they exist to report.
-
-To label it honestly, the probe would evaluate and emit both operands (e.g.
-`cause=teleport-ts+cellless`). Cheap, and it retires this whole question —
-but it is a probe change, so it belongs with the probe-family work in C5c, not
-as an urgent fix.
diff --git a/docs/research/2026-08-05-c5-scoping.md b/docs/research/2026-08-05-c5-scoping.md
deleted file mode 100644
index a109cba5..00000000
--- a/docs/research/2026-08-05-c5-scoping.md
+++ /dev/null
@@ -1,357 +0,0 @@
-# C5 scoping — legacy deletion + closeout gates (2026-08-05)
-
-Scoped at HEAD `52175aa1` (branch `claude/acdream-physics-divergence-5aa784`,
-identical to `main` — C4 merged and pushed today). Every claim below was
-verified **by symbol at this HEAD**, not inherited from a planning document;
-where a planning document turned out wrong, §8 says so explicitly. Inputs:
-the C4 closeout handoff (`2026-08-05-c4-closeout-handoff.md`), the campaign
-plan (`2026-08-02-placement-cutover.md`), register rows AP-1 / AD-1 / AP-131 /
-AD-60 / AP-141..145, and two exhaustive caller censuses run against this
-worktree (legacy placement writers; the temporary probe family).
-
-**One-paragraph verdict:** C5 is three different kinds of work wearing one
-slice name. (1) A **deletion sweep** that is smaller than the plan implies —
-most of the big deletions already landed inside C4's routes; what is left is
-~500 production lines, all with test-only callers, plus large mechanical test
-churn. (2) **#275**, which is NOT a deletion: it is a behaviour change on the
-steady-state inbound-Position merge (the hottest wire path), and it is the
-*only* thing that can retire AP-131 and AD-60's legacy half. (3) The
-**closeout gates + probe strip + ledger**. These must not ride in one landing;
-the split is drawn in §7.
-
----
-
-## 1. The deletion inventory, verified at HEAD by symbol
-
-### 1a. Deletable now — zero production callers, test callers only
-
-Every entry below was grepped across all of `src/`; the caller lists are
-exhaustive at `52175aa1`.
-
-| # | Symbol | Where | Production callers | Test callers | ~Lines |
-|---|---|---|---|---|---|
-| D1 | `PhysicsEngine.Resolve` | `src/AcDream.Core/Physics/PhysicsEngine.cs:1863-2222` | **ZERO** (the live per-tick method is `ResolveWithTransition`, a different member) | `tests/AcDream.Core.Tests/Physics/PhysicsEngineTests.cs` (12 sites) + `Issue133DungeonTeleportPrefixTests.cs:58` | ~360 |
-| D2 | `PhysicsEngine.HasCellSurface` | `PhysicsEngine.cs:1767-1783` | only `Resolve` itself (`:1887`) — deletes with D1 | none | ~17 |
-| D3 | `PhysicsEngine.ResolvePlacement` | `PhysicsEngine.cs:2748-~2810` | **ZERO** (its retirement is already recorded as done in `HeadlessSessionWorldProjection.cs:794`) | `InitialPlacementOverlapTests.cs:42`; `TransitionScratchDifferentialTests.cs:185,194,208,217` | ~65 |
-| D4 | `PlayerMovementController.SetPosition` (both overloads) | `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:1746,1760` | **ZERO** (only stale doc-comment mentions at `ConstraintManager.cs:25`, `PhysicsBody.cs:442` — both also still name the long-deleted `BlipPosition`) | ~19 test files, used as **fixture setup**, not as subject (see §3) | ~30 |
-| D5 | `PlayerMovementController.CommitPreparedPosition` | `PlayerMovementController.cs:1789` | **ZERO** (production replacement is `ArmConstraintLeashAtCommittedPlacement:1815`, called from `RuntimeLocalPlayerPhysicsPublicationState.cs:774`) | `PlayerMovementPlacementTransactionTests.cs:42`; `PlayerMovementControllerTests.cs:1158`; `RuntimeLocalPlayerPhysicsPublicationStateTests.cs:3007` | ~25 |
-| D6 | `RuntimeSetPositionState.BeginAcceptedPlacement` / `BeginAuthoredPlacement` | `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs:1321,1333` | **ZERO** — pure pass-throughs to `BeginAcceptedPlacementCore`, which production reaches via `Apply` (`:1304`) and the authored sequence (`:1466`) | ~40 call sites across 10 Runtime test files | ~25 |
-| D7 | Doc hygiene | tombstone comment `LiveEntityNetworkUpdateController.cs:2469-2478`; stale `BlipPosition` refs above; stale `TryApplyPickup (:1116)` citation in `RuntimeAcceptedPositionDriveControllerTests.cs:221` (the method is now at `RuntimeEntityObjectLifetime.cs:1258`) | — | — | ~20 |
-
-**Deletion hazard inside D1/D2's block:** `IsSpawnCellReady`
-(`PhysicsEngine.cs:1807`) sits physically BETWEEN `HasCellSurface` and
-`Resolve` and is **production** (`RuntimeSetPositionState.cs:2169,4378`;
-`SessionPlayerComposition.cs:374`). A region-wise delete takes it by accident.
-
-Production-line total for 1a: **~540 lines**, all compile-loud (see §3 for
-why that matters).
-
-### 1b. Deleted only BY #275 — cannot be deleted standalone
-
-These two sites are the code bodies of AP-131 and AD-60's legacy half. They
-have a **live production caller** — the steady-state Position merge — so
-deleting them is not a sweep item; it is the #275 behaviour change (§2).
-
-- `InboundPhysicsStateController.TryApplyPosition` (the simple overload,
- `src/AcDream.Runtime/Entities/InboundPhysicsStateController.cs:610`, which
- hardcodes `installPlacementFrame: true, clearParent: true` at `:662-663`).
- Production path at HEAD: `LiveEntityInboundAuthorityGate.cs:161` →
- `LiveEntityRuntime.cs:2550` → `RuntimeEntityObjectLifetime.TryApplyPosition`
- `:1781` → `RuntimeEntityDirectory.cs:654` → this overload. The
- route-flag-threaded overload (`:681`) already exists and is what the
- continuation executor uses (`RuntimeInitialCreateContinuationExecutor.cs:1991-1992`).
-- `RuntimeEntityObjectLifetime.cs:1918` — `RefreshSnapshot(canonical, snapshot,
- refreshPosition: acceptedPosition)`: the wire-acceptance-derived `FullCellId`
- write AD-60 names as "part of the AP-1 divergence this campaign is removing".
- The executor's equivalent already withholds it (`refreshPosition: false`,
- executor `:1996`).
-
-### 1c. Named by the plan/handoff as sweep material but NOT deletable — with reasons
-
-This is where the plan is most wrong at HEAD. Five items:
-
-1. **`ILocalPlayerTeleportPlacement` / `LocalPlayerTeleportPlacement.Place`**
- (`src/AcDream.App/Streaming/LocalPlayerTeleportController.cs:176,207-284`).
- The handoff lists it as a "sweep candidate (now a thin acknowledge seam)".
- It IS thin, but it is **live production**: route 3 kept it as the
- post-commit presentation suffix (target-watcher `NotifyTeleported`, camera
- reset, spatial reconcile) and the A10 review fix explicitly decided its
- redundant `WorldEntity` pose writes are "kept because they cost nothing".
- Disposition: **no deletion**. Optional zero-risk simplification (inline the
- interface) is not worth review cost; recommend leaving it and striking it
- from the sweep list.
-2. **`PlayerMovementController.SetPositionCore`** (`:1845-1920`) — STILL
- PRODUCTION via `PreparePositionForCommit` (`:1782`) ←
- `RuntimeLocalPlayerPhysicsPublicationState.cs:219` (the first-entry
- publication candidate build). The AD-61 force-seed
- (`Contact|OnWalkable|Active` at `:1860-1863`) is still inside it — filed,
- argued inert (overwritten by the faithful activation commit + settle), and
- **not** a C5 retirement target. Note the tension the census surfaced: the
- route-3 comment at `PlayerMovementController.cs:1975-1985` repudiates this
- exact overwrite for the teleport path while first-entry still runs it —
- that is AD-61's documented state, not new debt.
-3. **The route-4 leftovers the 4b plan listed as "4b's to delete"** — the plan
- text is overtaken. At HEAD: the pre-operation unconditional `ConstrainTo`
- **is already deleted** (tombstone at `LiveEntityNetworkUpdateController.cs:2469-2478`;
- the only arming site is the post-operation one at `:2853`); the duplicate
- `96f`/`4f` constants **are already deleted** (zero hits in the file); the
- `!update.IsGrounded` early return (`:2622-2627`) is **no longer a
- player-arm carve-out** — since the OnPosition collapse it is the guid-blind
- D2 wire-airborne return-0 shape (retail `MoveOrTeleport @0x0051636D`), i.e.
- canonical, not legacy; and `ApplyRemoteContactRouting` (`:1175-1348`) is
- the canonical five-arm post-collapse routing with exactly one production
- caller. **None of these is C5 deletion material.**
-4. **AP-135's bookkeeping** (`RemoteMotion.CellId` writers at `:1392,:1622`;
- `LastServerPos`/`LastServerPosTime` at `:1393-1394,:2895-2896,:786`) —
- deliberately retained per the row's own retirement condition (retires with
- the free-fall sweep gate, which C5 does not touch). Keep.
-5. **`RuntimeLiveEntitySessionController.cs:141`** — the content-less headless
- host's pre-flip direct `RegisterEntity` path, the one forward-looking
- "C4/C5 revisit" comment in all of `src/`. Its stated unblock condition
- ("once the direct-host conductor drive no longer requires prepared
- content") is not met at HEAD. **Carry, do not delete.**
-
-Also checked and confirmed already-deleted (comment references only):
-`RemoteTeleportController`, `RemoteTeleportPlacement`,
-`LocalForcePositionTransaction`, `HeadlessSessionWorldProjection.BlipLocalPlayer`,
-`ResynchronizeLocalPlayerForPortalArrival`, `LocalPlayerTeleportPlacement`'s
-old duplicate `Place` authority, the `ClassifyLeaveWorld` family,
-`BlipPosition`. `LiveEntityRuntime` has **no** legacy CreateObject position
-seed; `HeadlessSessionWorldProjection` has **no** remaining direct placement
-writer; `PhysicsEngine.SetPosition` (Core) is called **only** from
-`RuntimeSetPositionState` (`:2028,:3125,:4789`) in production. `PhysicsBody.SnapToCell`'s
-eleven src callers are three canonical-owner sites, two per-tick simulation
-sites, and five projectile/static/first-entry body seeds that are live by
-design (AP-141 pinned the projectile no-machinery decision) — none deletable.
-
----
-
-## 2. Register rows: provable retirements vs blocked
-
-| Row | Verdict | Evidence |
-|---|---|---|
-| **AD-1** | **RETIRABLE in the deletion commit.** Its divergence sentence — "Production authoritative placement still routes through the legacy recoverable outdoor demote and outdoor-restore `max(terrainZ, z)` lift" — is **already false at HEAD**: that code is `PhysicsEngine.Resolve` (`:1863-2222`; demote at `:1906`, lift at `:2168-2173`) and it has zero production callers. Its listed prerequisites (authored-mover, rebucketing, prefix-quiescence, body-publication, route cutover) all landed C0–C4. Deleting D1/D2 makes the retirement structural rather than merely observational. | census §2; `PhysicsEngine.cs:1863` |
-| **AP-1** | **RETIRABLE in the deletion commit.** "Production zero-delta routes deliberately remain on the legacy resolver until 4B2" is stale: every production placement writer now reaches Core `SetPosition` only through `RuntimeSetPositionState`; the local controller's body adoption / sealed setter landed at C3c; deleting D1/D3/D4/D5 removes the last resolver-shaped entry points (all already caller-free). The narrower survivors (#276 settle-cell discard, AD-61 force-seed, AD-62 non-commit outcomes) are separately filed rows/issues and do NOT block AP-1's own condition. | census §§2,3,4,7 |
-| **AP-131** | **BLOCKED — retires only with #275, which is a behaviour change, not a deletion.** The legacy caller AP-131 says "is deleted at the production cutover" is still the ONLY steady-state production Position merge at HEAD (chain in §1b), still passing unconditional `true/true`. Retiring it means computing the classified `ApplyPlacementFrameBeforeRouting` / `UnparentBeforeRouting` flags (plus retail's FORCE_POSITION Gate A skip) BEFORE the merge on the steady-state path, exactly as the executor already does for residence-pending entities. That changes what every ordinary inbound Position does to animated and parented entities — retail-correcting, but a live-path behaviour change requiring the full contract + dual-review discipline. | `InboundPhysicsStateController.cs:662-663`; executor `:1991-1992` |
-| **AD-60 legacy half** | **BLOCKED — same gate, #275.** `RuntimeEntityObjectLifetime.cs:1918` still derives `FullCellId` from bare wire acceptance on every accepted steady-state Position (the 4b-3 D1 comment at `:1886-1899` states it plainly). Withholding it (executor's `refreshPosition: false` rule) moves residency changes onto placement/simulation commits only — the retail rule — but `FullCellId` is the residency predicate at 45+ sites (AP-142's own count), so the blast radius is real and this must not be smuggled into a sweep. | `RuntimeEntityObjectLifetime.cs:1915-1918` |
-
-**Rows adjacent but NOT C5 targets:** AD-61 (force-seed, deliberate), AD-62
-(non-commit force outcomes), AP-135 (retained bookkeeping), AP-141–145 (all
-filed with their own conditions; AP-145 retires with #318's *fix*, not its
-test — the test only makes the asymmetry assertable).
-
----
-
-## 3. THE DANGEROUS CASE — every test-only-caller path, with disposition
-
-First a sharpening the scoping question deserves: deleting a method whose
-callers are tests is **compile-loud** (the test project breaks), same as a
-production caller. The genuinely silent case is the *disposition of the tests
-afterward*: deleting a test that pinned behaviour which MOVED (instead of
-re-pointing it) is the silent coverage loss. Per item:
-
-| Path | Test callers | Behaviour gone or moved? | Disposition |
-|---|---|---|---|
-| `PhysicsEngine.Resolve` | `PhysicsEngineTests.cs` ×12 | **Gone** — the outdoor-demote/floor-snap/terrain-lift semantics are legacy-only; the canonical replacements have their own suites (`PhysicsSetPositionTests`, `RuntimeSetPositionStateTests`) | **Delete tests with the path**, after a one-pass audit that no individual assertion pins something canonical-owned (e.g. `AdjustPosition` behaviour, which survives — tests touching it re-point at `AdjustPosition` directly) |
-| `PhysicsEngine.Resolve` | `Issue133DungeonTeleportPrefixTests.cs:58` | **Moved** — #133's invariant (landblock-prefix correctness on dungeon teleport claims) is now the canonical portal/teleport placement's job | **Re-point** at the canonical path (drive a teleport-classified `RuntimeSetPositionState` placement with a prefixed dungeon claim and assert the committed cell), or prove an existing canonical test already pins it and record that in the deleting commit. Do NOT silently delete — this is a regression pin for a named historical bug |
-| `PhysicsEngine.ResolvePlacement` | `InitialPlacementOverlapTests.cs:42` | **Moved** — placement-ring occupancy search is ported inside canonical SetPosition (`find_placement_position`, covered by `PhysicsSetPositionTests`) | **Verify-then-delete**: confirm `PhysicsSetPositionTests` covers the occupied-spawn ring-search case this test pins; if not, re-point it at `Transition.FindPlacementPos` via the canonical entry before deleting |
-| `PhysicsEngine.ResolvePlacement` | `TransitionScratchDifferentialTests.cs:185-217` | **Moved** — these are Slice-I zero-alloc differential arms | **Re-point or drop the arm explicitly**: if `ResolvePlacement` was one of the differential's measured entry points, replace with the surviving canonical entry; a silent drop would shrink the I-slice differential's coverage without anyone deciding it |
-| `PlayerMovementController.SetPosition` | ~19 test files (~45 sites in `PlayerMovementControllerTests` alone) | **Neither** — these tests USE it as fixture setup (position the player), they do not test it | **Mechanical re-point** through one shared test helper that drives the production seeding path (publication `PreparePositionForCommit` → activation), or — cheaper and honest — keep ONE explicitly-named internal test-seed method with a doc comment stating it exists for fixtures only. Either way the fixture semantics (grounded start via the force-seed) must be reproduced deliberately, since dozens of movement tests assume a grounded, zero-velocity start |
-| `PlayerMovementController.CommitPreparedPosition` | 3 sites | **Moved** — replaced by `ArmConstraintLeashAtCommittedPlacement` | **Re-point**: the prepared-position transaction assertions should run against the production arm/commit pair; `RuntimeLocalPlayerPhysicsPublicationStateTests:3007` likely already half-covers it — audit before deciding delete-vs-rewrite per test |
-| `BeginAcceptedPlacement`/`BeginAuthoredPlacement` wrappers | ~40 sites, 10 files | **Neither** — the CORE (`BeginAcceptedPlacementCore`) is production; the wrappers are test conveniences | Two defensible calls: (a) keep the wrappers, documented as test seams (zero churn, zero coverage change); (b) delete and mechanically re-point every site at `Apply`/the authored sequence. The ~40-site churn buys nothing behavioural; **recommend (a)** unless the campaign wants the sweep to be absolute — in which case budget the churn (it is mechanical but touches the Runtime suite broadly) |
-| `InboundPhysicsStateController.TryApplyPosition` (true/true overload) — #275's deletion | its unit tests assert the UNCONDITIONAL flags | **Deliberately changed** — the old assertions describe the divergence being removed | **Rewrite, never delete-only**: each unconditional-flag assertion becomes a classified-flag assertion (animated entity keeps its placement frame; ForcePosition on a parented entity does NOT unparent — retail Gate A), sabotage-verified both directions per process rule (e) |
-
-One more test-shaped landmine, inherited not created: the #316-preserving
-pair (`LandingPacket_PlayerGuid_QueueClearedNoShadowPublish_316Preserved` /
-`..._CreatureGuid_ShadowPublishedQueueNotCleared`) pins a **defect preserved
-verbatim**. If C5's connected session measures #316 and the fix lands, that
-test inverts by design — do not "fix" the test without the measurement.
-
----
-
-## 4. The C4 inheritance, sized
-
-| Item | What it is | Size / shape |
-|---|---|---|
-| **#318 composition test** | Drive a real portal arrival through the canonical drive controller + REAL `RuntimePlacementPresentationSink` + REAL `PhysicsEngine`; assert **`PhysicsEngine.ShadowObjects` holds a row at the destination** (never just `LocalPlayerShadowState`'s dedup cache — AP-145's `TryPublishPlace` → `.Set()` bypass both skips the publish AND pre-seeds `SyncPose`'s dedup so the next tick can skip too; a cache-only assertion is satisfied by the bug) plus the T8 write ordering | Test-only, ~150–300 lines, App.Tests. The wiring cost is composition (real sink + real engine in one fixture), not assertion count. Retires nothing by itself; it makes AP-145 falsifiable |
-| **AP-145 asymmetry** | The cache-without-publish seam itself | NOT a C5 fix unless the composition test proves a live miss; the row argues why it self-heals in practice. Land the test first, decide after |
-| **Route-2 B2 parity test** | The plan's recorded acceptance gap (plan §C4 route 2): no test drives an accepted ForcePosition end-to-end through the presentation sink and asserts the render entity moved from the committed receipt | ~100–200 test lines. **Flag: this deliverable is in the PLAN but absent from the handoff's "What C5 inherits" list** — carry it explicitly so it doesn't fall between documents |
-| **#276 remainder** | `SpawnPlacementSettler.TrySettle` discards `settle.CellId` | ~30–80 production lines + a conformance test; NOT named a C5 deliverable by the plan — carry unless cheap to fold; does not block AP-1 (separately filed) |
-| **#277** | far-Create service-window conversion | Trigger-conditioned (no radius changed); **zero C5 work** |
-| **#313** | `DeclareValid` selection transfer | Selection UX, outside placement; carry |
-| **#316** | player-arm landing never publishes the shadow — **measure before fixing**; the named instrument is `ACDREAM_PROBE_REMOTE_LANDING` | The measurement is a two-client landing observation — fold it into the early gate session (§5); the fix (if the #184 class) is its own later commit |
-| **#317** | velocity-chain retail audit | Research-only (decomp), no code; carry unless the session has slack |
-| **#309 narrow half** | `GotoLostCell` hidden-until-`reenter_visibility` | Carried, re-scope before running; not C5 |
-| **#280** | portal destination prefetch | Its own slice with its own visual gate. **Ordering note the handoff does not restate:** the campaign plan's numbered order (items 3→4→5) puts #280 BEFORE C5's final-binary soak/matrix — sensible, since #280 changes reveal behaviour the matrix would exercise. C5's implementation slices are independent of it and can proceed; the **final** closeout gates should run after #280 lands, or the matrix will need re-running |
-| **Probe strip** | six TEMPORARY flags | **~1,340 lines** total: REMOTE_SLIDE ~700, REMOTE_LANDING ~300, LOCAL_TELEPORT ~215, REMOTE_TELEPORT ~50, PARK ~41, CHILD_CELL ~33. All env-only (no DebugPanel mirrors), **zero test references** — the strip is test-free. Hazards recorded by the census: keep `ParseHexIdList` (shared with permanent `ACDREAM_DUMP_*`), keep the DISTINCT older `ACDREAM_PROBE_TELEPORT`/`LogTeleport` block that sits adjacent to `LogLocalTeleportArrival` (two flags, documented distinct at `RuntimeAcceptedPositionDriveController.cs:769-770`), keep the probe-aliased production members (`BodySnapThreshold`, `InterpolationManager` queue state, `bodyOnWalkableAtTickStart`), and trim `ResetForTest` line-wise, not wholesale |
-
----
-
-## 5. Gate sequencing — and the cell-less trigger, answered by reading
-
-**State at HEAD:** three of C4's four gates were run and user-passed on
-2026-08-05 (route 3 unambiguous incl. the autorun-cancel line; route 6 visual;
-route 7 pass but THIN — one `cause=propagate`). Owed: (a) route 7 thickening
-(several equipped landblock crossings, expect double-digit `propagate`), and
-(b) gate 4, `cause=cellless`, whose recorded recipe route 7 invalidated.
-
-### The cell-less trigger — what reading establishes
-
-The classifier's cell-less arm needs `PreMergeCommittedCellId == 0`, which
-requires an **ACTIVE canonical record whose `FullCellId` is 0** at merge time
-(`RuntimeEntityObjectLifetime.TryApplyPosition:1898` — a fully-withdrawn
-record yields `null`, "no opinion", not 0). The production population of such
-records exists and is well-defined:
-
-1. **Post-pickup items**: `TryApplyPickup` (`:1258`) commits
- `SetFullCell(canonical, 0u, 0u)` at `:1314` and leaves the record ACTIVE
- (withdrawn presentation, suspended clock, but in the directory).
-2. Children zeroed by `WithdrawCommittedChildrenToCellless` on parent delete —
- but ACE deletes tracked equipment alongside its wielder
- (`Player_Tracking.cs:108-112`), so these tombstone rather than linger.
-3. Unwield — **no longer cell-less** (route 7 D1/D2: committed child carries
- the parent's cell), which is exactly why the old recipe died.
-
-The one ACE message that delivers a bare `UpdatePosition` to population (1):
-**dropping the item**. `HandleActionDropItem`
-(`references/ACE/.../Player_Inventory.cs:1437-1443`) sends the dropper
-`GameMessageUpdatePosition(item)` directly after `TryDropItem` — and for
-`RemoveFromInventoryAction.DropItem` no client-side delete precedes it (no
-`InventoryRemoveObject`, no `DeleteObject`; `:222-247`), so the client-side
-record is still the active cell-0 one from the pickup.
-
-**The deciding nuance, which reading could not fully settle:** inside
-`TryDropItem`, `Landblock.AddWorldObjectInternal` calls `wo.NotifyPlayers()`
-(`Landblock.cs:900`) which sends `CreateObject` to every player in the item's
-freshly-created `PhysicsObj.ObjMaint` known-players set — all enqueued on the
-same ordered reliable stream BEFORE the `UpdatePosition` at `:1443`. If the
-dropper is in that set at that instant (populated synchronously during
-`AddPhysicsObj`), the Create precedes the Position, the Position lands in the
-initial-create residence branch, and it classifies against the Create's own
-resolved cell — **not** cell-less. If known-player registration is deferred to
-the player's next visibility tick, the `UpdatePosition` arrives first and
-**IS the live cell-less trigger**.
-
-**Recommendation:** a bounded two-minute falsification run, not an open
-investigation: with `ACDREAM_PROBE_REMOTE_TELEPORT=1`, pick up a ground item,
-drop it, repeat a few times (outdoors + once indoors), and read the
-`[remote-teleport]` lines. Either `cause=cellless` appears (gate 4 closes with
-a recorded recipe: *pickup-then-drop*), or it provably takes the Create path —
-in which case record the cell-less arm as **synthetic-fixture-covered by
-design with no reachable live trigger against ACE**, exactly the route-5
-precedent ("when a gate cannot exist, record that, never a substitute"),
-process rule (g). Do not leave gate 4 on file as pending indefinitely.
-
-### Sequencing
-
-**Run the owed gates FIRST, before any C5 implementation**, as one cheap
-user session on the current binary: route-7 thickening (PROBE_CHILD_CELL) +
-the cell-less falsification (PROBE_REMOTE_TELEPORT) + **#316's measurement**
-(PROBE_REMOTE_LANDING; a second client jumping/landing while observed).
-Rationale: (a) C4's ledger closes on evidence from the binary family its
-routes were gated on; (b) if thickening or the cell-less run surfaces a
-defect, C5's deletion inventory could change; (c) all three consume probes the
-strip will later delete. C5 absorbs the *bookkeeping* of these gates (ledger
-updates), not their execution debt.
-
----
-
-## 6. Probe-strip ordering
-
-The strip is **last — after every connected gate in this campaign has
-consumed its probe evidence**, as its own commit:
-
-1. Owed-gate session (§5) consumes CHILD_CELL, REMOTE_TELEPORT,
- REMOTE_LANDING.
-2. C5 implementation slices land (deletions, #275, tests) — probes untouched;
- they are env-gated and production-inert.
-3. C5 closeout gates run on the final implementation binary — the
- lifecycle/reconnect route re-exercises portals, so LOCAL_TELEPORT evidence
- remains readable if anything regresses; keep the probes through this.
-4. **Strip commit** (~1,340 lines, hazards per §4), then full Release suite +
- one short lifecycle route as the strip's own gate. The strip is
- behaviour-neutral by construction (env-gated emission only), so the
- final-binary soak from step 3 remains valid evidence; the post-strip
- re-run is the cheap proof of neutrality.
-
-**Conditional carve-out:** if #316's measurement does NOT happen in the §5
-session, `ACDREAM_PROBE_REMOTE_LANDING` must be **excluded from the strip**
-(it is the issue's named instrument) and the family stripped five-wide with a
-note — do not let a hygiene pass delete an open issue's measurement apparatus.
-
----
-
-## 7. Size and split recommendation
-
-Calibration: this campaign's landings ran ~127–~500 production lines each
-(4a 364, 4b-2 350–500, 4b-3 ~250, r5 ~131, r7 ~127, r3 ~418), each with full
-contract/dual-review discipline.
-
-| Piece | Production lines | Test lines | Risk |
-|---|---|---|---|
-| Deletion sweep (§1a) | ~540 deleted | ~25 files touched; ~1,500–2,000 test lines deleted/re-pointed | Low (all compile-loud), but the §3 dispositions are judgment work |
-| #275 unification (§1b/§2) | ~150–400 changed on the hottest inbound path | ~300–600 rewritten/added | **High** — behaviour change on every steady-state Position; 45+ residency-predicate blast radius for the AD-60 half |
-| #318 + route-2 B2 tests | 0 | ~250–500 | Low |
-| Probe strip | ~1,340 deleted | 0 | Low, hazard-listed |
-| Gates + ledger/docs | 0 | 0 | User time |
-
-Combined this is far past the ~500-line calibration, and #275 is a different
-RISK CLASS from everything else. **Split into three landings plus the
-pre-session:**
-
-- **C5-gate session (first, user-run):** route-7 thickening + cell-less
- falsification + #316 measurement. Closes C4's ledger.
-- **C5a — deletion sweep + tests:** §1a deletions, §3 dispositions, #318
- composition test, route-2 B2 parity test, **retire AP-1 and AD-1 in the
- same commit as the deletions** (register rule 1). Deletion-only + test-only;
- reviewable as one diff.
-- **C5b — #275:** pinned contract (the executor's classify-then-merge order
- is the template; retail Gate A is the FORCE_POSITION skip), single
- implementer, dual reviews, sabotage-verified flag tests both directions.
- **Retires AP-131 and AD-60's legacy half in its own commit.** This slice is
- where process finding (a) — "verify the load-bearing premise in code at
- implementation start" — applies to the classifier-flag semantics before
- building on them.
-- **C5c — closeout:** final-binary complete suite, lifecycle/reconnect route,
- canonical nine-stop soak, two-client observation, user visual matrix
- (sequenced after #280 per the plan's own ordering, §4), then the probe
- strip + its neutrality gate, then register/roadmap/milestones/memory + the
- successor handoff, close #275, close the campaign ledger.
-
----
-
-## 8. Plan claims found false or stale at HEAD (the seventh-stale-doc guard)
-
-1. **Campaign plan / handoff framing that C5's register retirements are a
- deletion product:** AP-131 and AD-60's legacy half **cannot** retire by
- deletion — they require #275, a live-path behaviour change (the plan does
- name "close #275", so this is a framing error, not a missing item — but a
- session that read only "delete every superseded legacy path" would ship
- the sweep and wrongly retire the rows).
-2. **AD-1's and AP-1's own row texts are stale in the conservative
- direction:** the "production still routes through the legacy resolver"
- sentences are already false at HEAD (`PhysicsEngine.Resolve` /
- `ResolvePlacement` have zero production callers). They over-claim a
- divergence, not a completed port — retire with the deletion commit.
-3. **The handoff's sweep candidate `ILocalPlayerTeleportPlacement` is not
- deletable** — it is the live post-commit presentation suffix with a
- production caller (§1c item 1).
-4. **The 4b plan's "every legacy fallback 4a left is 4b's to delete" list is
- overtaken:** at HEAD the pre-op `ConstrainTo` and duplicate constants are
- already gone, and the `!IsGrounded` return + `ApplyRemoteContactRouting`
- are the canonical post-collapse retail shapes, not deletable debt (§1c
- item 3).
-5. **Stale line citations:** the handoff's `TryApplyPickup (:1116)` (now
- `:1258`; the same stale `:1116` lives on in
- `RuntimeAcceptedPositionDriveControllerTests.cs:221`'s doc comment);
- `ConstraintManager.cs:25` and `PhysicsBody.cs:442` still document the
- deleted `BlipPosition`/`SetPosition` pair.
-6. **The handoff's "What C5 inherits" list omits the route-2 B2 parity test**
- that the campaign plan itself records as "carry it into C5's parity tests"
- — carried here (§4).
-7. **The cell-less trigger is no longer "UNESTABLISHED needing its own
- investigation" in the open-ended sense:** reading pins the candidate
- population, the single candidate wire path (pickup-then-drop,
- `Player_Inventory.cs:1443`), and the one ACE ordering fact a two-minute
- probe run settles (§5). The honest outcomes are a recorded recipe or a
- recorded cannot-exist — not a standing investigation.
diff --git a/docs/research/2026-08-05-c5a-architecture-review-round2.md b/docs/research/2026-08-05-c5a-architecture-review-round2.md
deleted file mode 100644
index 0524b379..00000000
--- a/docs/research/2026-08-05-c5a-architecture-review-round2.md
+++ /dev/null
@@ -1,348 +0,0 @@
-# C5a — architecture / adversarial review, round 2 (delta)
-
-**Reviewer:** architecture / adversarial (Opus)
-**Scope:** delta over round 1
-(`docs/research/2026-08-05-c5a-architecture-review.md`). Working tree at
-branch `claude/acdream-physics-divergence-5aa784`, HEAD `392c1e22`,
-uncommitted. Part 2 (the deletion sweep) and the composition-graph
-verification are carried forward from round 1 and not re-litigated — but I
-did re-confirm the two survivors and the production blast radius are
-unchanged by the fix round (see "Regression check" below).
-**Date:** 2026-08-05
-
----
-
-## VERDICT: **PASS**
-
-All three MAJORs are genuinely closed. A1 and A2 are now backed by tests I
-independently traced as discriminating; A2's fix is the *correct* mirror, not a
-symmetric-looking wrong one, and the constructor-parameter removal is safe on
-every path. A3 built the real drive rather than arguing around it, and the
-position half of route 2's B2 is now pinned end-to-end through real production
-machinery with a value the wire cannot supply.
-
-Two **MINOR** items to fold in before commit (neither blocks the slice):
-
-- **M1** — the **cell** half of B2 is still not pinned: `entity.ParentCellId`
- already equals the asserted value before the drive runs.
-- **M2** — the `SyncPose`-inherits-the-guard behavioural nuance is **not**
- documented anywhere, contrary to the handoff's claim.
-
-Plus one **INFO** (five test-file comments still cite the deleted
-`PhysicsEngine.Resolve` as live).
-
----
-
-## Gates I re-measured
-
-| Gate | Result |
-|---|---|
-| `dotnet build AcDream.slnx -c Release -m:1` | **Build succeeded. 0 Warning(s), 0 Error(s)** |
-| Complete Release suite (`--no-build -m:1`) | **11,106 passed / 4 skipped / 0 failed** |
-| Reconciliation | 11,112 − 11 (deleted) + 5 (3 shadow-composition + 1 Withdraw fact + 1 force-position) = **11,106 ✓ exact** |
-| Skips | 3 (App) + 1 (Core) = **4, unchanged from baseline ✓** |
-| Per-assembly vs handoff | Core 4,259/1, Runtime 1,176/0, Headless 86/0, App 4,132/3 — **matches the handoff's numbers exactly ✓** |
-| Sink ctor call sites updated | **6/6** (1 production `LivePresentationComposition.cs:514`, 5 test fixtures) |
-| Register blast radius | still **3 rows + 2 section headers**; AP-131, AD-60, AD-61/62, AP-135, AP-141–144, AP-146 untouched ✓ |
-
-**Regression check on Part 2 (carried, re-verified):** `IsSpawnCellReady` +
-`AdjustPosition` still `diff`-clean against HEAD over the full 45-line span.
-Production `--numstat` shows executable changes confined to
-`LivePresentationComposition` / `SessionPlayerComposition` /
-`RuntimePlacementPresentationSink` (+ the deletions and the one seed rename);
-`CellTransit`, `ConstraintManager`, `PhysicsBody`, `ResolveResult`,
-`HeadlessSessionWorldProjection`, `RuntimeSetPositionState`, and
-`RuntimeAcceptedPositionDriveController` are comment/xmldoc only. The fix round
-introduced no new executable surface beyond the two sink lines.
-
----
-
-## A1 — the P4 test now genuinely discriminates. **CLOSED.**
-
-`tests/AcDream.App.Tests/World/RuntimePlacementShadowCompositionTests.cs:296–367`
-
-I traced the sabotage myself rather than trusting the claim. With the
-`record.ServerGuid == _localPlayerGuid()` gate at
-`RuntimePlacementPresentationSink.cs:249` removed:
-
-1. `SyncPose(childEntity, DestinationPosition, …, DestinationCell, force: true)`
- runs. `_liveEntities.IsHidden(0x7000A101)` is false; `cellId != 0`;
- `IsCurrentVisibleProjection(childEntity)` resolves the child's **own** record
- (`TryGetRecord(entity.ServerGuid)`), `ReferenceEquals` holds, and it is the
- current spatial root — so the guard does **not** short-circuit.
-2. `ShadowPositionSynchronizer.Sync` → `UpdatePosition(childId, …)`. The
- `_entityReg.TryGetValue` at `ShadowObjectRegistry.cs:696` now **succeeds**
- (the new baseline `Register` at test `:309–320` put the record there), so
- the early return that made v1 vacuous no longer fires.
-3. `Register(childId, …, seedCellId: DestinationCell)` → flood from the
- destination (the same geometry fact 1 proves floods successfully) →
- `DeregisterCore` → row **moves** to `DestinationCell`.
-
-Result: `Assert.Contains(GetObjectsInCell(SourceCell), child)` at `:352`
-**fails**, and `Assert.Null(fixture.LocalShadow.Current)` at `:366` **also
-fails** (`_state.Set` runs as `SyncPose`'s last step). Two independent
-discriminators, both keyed to the gate.
-
-The baseline precondition `Assert.Contains(GetObjectsInCell(SourceCell))` at
-`:321` is what makes step 2 reachable — it is the thing v1 lacked, and it is
-now asserted, not assumed. The `Assert.Equal(1, TotalRegistered)` at `:358` is
-supporting only (a move keeps the count at 1); correctly not relied on. The
-xmldoc at `:282–293` records the v1 failure honestly rather than quietly
-replacing it.
-
-**Verified discriminating. No second vacuous version.**
-
----
-
-## A2 — the Withdraw fix is the *correct* mirror, and the parameter removal is safe. **CLOSED.**
-
-### Is `Suspend` the right counterpart to `SyncPose`'s publish?
-
-Yes, and I checked the two ways it could have been subtly wrong.
-
-- **It is not `Deregister`.** `ShadowObjectRegistry.Suspend`
- (`src/AcDream.Core/Physics/ShadowObjectRegistry.cs:1480–1498`) removes the
- entity from every cell bucket and stashes the cell list in
- `_suspendedEntityCells`, but **retains `_entityReg`** — it early-returns
- `false` if there is no registration and never removes one. Its own xmldoc
- calls it "the registry counterpart of retail
- `CPhysicsObj::remove_shadows_from_cells` during temporary
- leave-world/pending-cell residence; deliberately not logical teardown."
-- **The restore path still works.** This is the trap I looked for: if `Suspend`
- had dropped `_entityReg`, then `TryApplyWithdrawalRestoration` →
- `TryPublishPlace` → `SyncPose(force: true)` → `UpdatePosition` would hit the
- `:696` not-registered early return and **silently no-op while still writing
- the cache** — reintroducing the exact AP-145 class on the restore edge. It
- does not: `_entityReg` survives `Suspend`, `UpdatePosition` proceeds, and
- `Register` → `DeregisterCore` (`:1789`) clears `_suspendedEntities` so the
- entity is no longer treated as suspended by `RefloodOwnerForLandblock`
- (`:1568`) or the reflood capture (`:1530`). The restore is clean.
-- **It matches the established App-layer pairing.** `Suspend` is exactly what
- `LiveEntityProjectionWithdrawalController.LeaveWorld` already does
- (`:148 _shadows.Suspend(entity.Id)` + `:156 _localPlayerShadow.Clear()`), and
- `LocalPlayerShadowSynchronizer.Suspend` (`:109–114`) is precisely that pair in
- one call. This is not a novel choice invented for the fix; the sink was the
- odd one out.
-- **No new early-return.** `Suspend` is unconditional — unlike `SyncPose` it has
- no hidden/celless/current-projection guard — so the Withdraw edge cannot
- silently skip the way the Place edge theoretically can.
-
-### Is the constructor-parameter removal safe on every path?
-
-Yes. `_localPlayerShadow` had exactly two uses in the sink (Place `.Set`,
-Withdraw `.Clear`); both are now synchronizer calls, so the field is genuinely
-dead. All **6** `new RuntimePlacementPresentationSink(` sites are updated
-(1 production + 5 test fixtures) and the Release build is 0-warning. The
-production site still constructs the synchronizer from `d.LocalPlayerShadow`,
-so the same single `LocalPlayerShadowState` instance is still the one cache —
-the removal narrows the sink's surface without changing which object holds
-state. This is a genuine simplification, not just a shuffle.
-
-### Does the new 4th fact discriminate?
-
-`Withdraw_SuspendsRealPhysicsShadow_NotOnlyTheDedupCache` (`:383–…`) establishes
-a **real** source-cell registration (`:391–406`) plus a non-null cache, then
-asserts after the Withdraw that `LocalShadow.Current` is null **and**
-`GetObjectsInCell(SourceCell)` no longer contains the entity. Under the pre-fix
-`_localPlayerShadow.Clear()` the first passes and the **second fails** — and the
-test comment at `:419–422` says exactly that, correctly labelling the cache
-assertion as the non-discriminating half. Right shape.
-
----
-
-## A3 — the real drive was built; the **position** half of B2 is closed. **SUBSTANTIALLY CLOSED**, see M1.
-
-`tests/AcDream.App.Tests/World/RuntimeForcePositionRenderCommitTests.cs`
-
-This is a real correction, not a re-labelling. The chain is now:
-
-`LiveEntityHydrationController.OnCreate` → real `RuntimeFirstEntryDriveController`
-pump → real `RuntimeEntityObjectLifetime.TryApplyPosition` (asserted to yield
-`PositionTimestampDisposition.ForcePosition`, `:111`) → real
-`RuntimeAcceptedPositionDriveController.TryExecuteAcceptedLocalPosition`
-(`:113–119`, asserted `Committed`) → real
-`RuntimePlacementProjectionSubscription` on the same placement channel
-(`:309–312`) → real `RuntimePlacementPresentationSink` → render `WorldEntity`.
-Nothing between the wire update and the assertion is hand-authored.
-
-**Why the position assertion is a true discriminator, verified:**
-
-- The wire carries `Z = 0` (`ForceUpdate` → `ServerPosition(Cell, 15, 15, 0, …)`).
- The assertion demands `Z = 0.48f` — the grounded foot-sphere clearance the
- **resolver** produces. A value that cannot be an echo of the input is exactly
- the right shape for a "came from the committed receipt" claim.
-- In this fixture the **only** post-materialization writer of
- `entity.Position` is `LiveEntityRuntime.TryApplyRuntimePlacementProjection`,
- invoked by the sink. `HostMaterializer` writes it once at create; there is no
- `LiveEntityNetworkUpdateController` in the composition, so B1's tolerated
- generic write cannot mask anything. Sever the receipt→render write and the
- entity stays at the first-entry pose `(10, 10, 0.48)` — `:127`
- (`Assert.Equal(ForcedPosition, entity.Position)`) is the assertion that fails,
- and `:126` (`NotEqual(positionBeforeForce, …)`) fails with it.
-- `positionBeforeForce` is captured live (`:93`) rather than assumed, so the
- "it moved" claim cannot be satisfied by a coincidence of constants.
-
-**Fixture seams — both acceptable, neither touches production:**
-`WorldSession.GameActionCapture` is a pre-existing Phase-I.3 test seam
-(`src/AcDream.Core.Net/WorldSession.cs:2026`, unmodified by this diff), and
-`usePositionFromServer: true` is a legitimate autonomy-level-2 configuration,
-not a suppression flag added for the test. Resolving the three obstacles in the
-assertions rather than in production code was the correct call.
-
-**B2's status:** the seam B2 actually named — "canonical body moves, render
-entity stays put" — is now genuinely covered end to end. I would record B2 as
-**closed for position**, with the cell half called out (M1) rather than assumed.
-
----
-
-## M1 — MINOR. The **cell** half of B2 is still not pinned
-
-**File:** `tests/AcDream.App.Tests/World/RuntimeForcePositionRenderCommitTests.cs:128`
-(`Assert.Equal(Cell, entity.ParentCellId)`), with the staging at `:73–81`.
-
-`HostMaterializer` sets `ParentCellId = position.LandblockId` = `Cell` at
-materialization (`:412`), and the test deliberately picks landblock-local
-`(15,15)` so it lands in the **same** outdoor grid cell as the spawn `(10,10)`
-(`TerrainSurface.CellSize = 24` → `cx=0, cy=0` → low word `0x0001` for both).
-So `entity.ParentCellId` already equals `Cell` **before** the drive runs — this
-is caught vacuous-class #1 (*asserting a field written unconditionally
-earlier*). The comment at `:73–76` states the choice as a simplification
-("without coupling this test to the outdoor grid-cell formula"); the
-consequence is that the cell assertion cannot fail.
-
-B2's recorded wording is "asserting the render entity's **position/cell** came
-from the committed placement receipt." The position half is now airtight; the
-cell half is asserted but unfalsifiable.
-
-**Why it is MINOR, not MAJOR:** the discriminator carrying the test's claim is
-the position (including the resolver-only `Z`), it is sabotage-verified, and
-the round-1 shadow-composition fact 1 already pins a real cross-cell
-`ParentCellId` change (`SourceCell` → `DestinationCell`) through the same sink
-code path. Nothing is unprotected; the cell half is simply not proven *by this
-test*.
-
-**Fix direction (small):** force to landblock-local `(30,30)` instead of
-`(15,15)` → `cx=1, cy=1` → outdoor low word `0x000A`, i.e. committed cell
-`0x0101000A ≠ Cell`. Then assert `entity.ParentCellId` equals the **committed**
-cell and differs from the spawn cell, and capture `cellBeforeForce` the way
-`positionBeforeForce` is captured. If that is judged out of scope, record in the
-commit message that B2 is closed for position and open for cell — do not book
-it as full closure.
-
----
-
-## M2 — MINOR. The `SyncPose`-inherits-the-guard nuance is not documented
-
-The handoff states the nuance "is now stated in the sink's comment and the test
-class doc rather than left implicit." It is not. I grepped both files for
-`hidden` / `suspend` / `celless` / `not-current` / `visible projection` /
-`IsCurrentVisibleProjection` / `guard`: the only hit is
-`RuntimePlacementShadowCompositionTests.cs:347`, inside the P4 test's *sabotage*
-reasoning (explaining why the child's own projection is current) — not a
-statement of the Place-edge behaviour change. Neither
-`RuntimePlacementPresentationSink.cs:245–272` nor the test class doc
-(`:20–89`) mentions it.
-
-The nuance is real and worth one sentence: routing Place through `SyncPose`
-means the Place edge now inherits `SyncPose`'s guard
-(`LocalPlayerShadowSynchronizer.cs:53–59`) — if `IsHidden(playerGuid)`,
-`cellId == 0`, or `!IsCurrentVisibleProjection(entity)`, the Place now
-**suspends** the shadow where the old direct write merely cached. Both
-`TryApplyInitialCreateCompletion` and `TryApplyWithdrawalRestoration` reach
-`TryPublishPlace`, so this is reachable on more than the portal edge. The new
-behaviour is *correct* (it is what the next per-tick `Sync` would do anyway, and
-it is honest about a shadow that should not be published) — which is exactly
-why it belongs in a comment and the commit message rather than being discovered
-later as a surprise.
-
-Same class as round 1's A5: a statement made in the handoff that the code does
-not carry.
-
----
-
-## INFO — five test-file comments still cite the deleted `PhysicsEngine.Resolve` as live
-
-Production is now clean: every remaining mention in `src/` is an explicit
-"deleted, cite by symbol" correction (`CellTransit.cs:880,:1064`,
-`HeadlessSessionWorldProjection.cs:797`, `PlayerMovementController.cs:147`). The
-A4 fixes are accurate and the `PlayerMovementController` class summary no longer
-claims a per-frame call to a deleted method.
-
-Still stale, in test comments only (no behavioural weight, no compiler signal):
-
-- `tests/AcDream.App.Tests/Physics/LiveEntityNetworkRemoteTeleportPresentationTests.cs:89`
-- `tests/AcDream.Core.Tests/Conformance/Issue107SpawnDiagnosticTests.cs:23,:82`
-- `tests/AcDream.Core.Tests/Physics/CellMarchLandblockPreservationTests.cs:22`
-- `tests/AcDream.Core.Tests/Physics/CellTransitFindCellSetTests.cs:301`
-
-Optional sweep; not a gate.
-
----
-
-## A5 and A6 — **CLOSED, and better than asked**
-
-- **A5.** `PlayerMovementPlacementTransactionTests.cs:23–41` now states the
- asymmetry plainly: render-root publish **did** move
- (`RuntimeSetPositionState.cs:2774`), sticky release **did not move anywhere**
- (with the `grep` evidence and the `publishSharedState: false` reason), the
- behaviour was dead code so nothing regresses today, and "no layer pins the
- invariant … any more. That is disposition 3.6's one real coverage loss." That
- is the honest version. I re-verified both halves independently.
-- **A6.** `TransitionScratchDifferentialTests.cs:218–219` and `:236–239` now
- assert `IsCommitted` on both engines with distinguishing messages. The
- differential can no longer pass on symmetric failure.
-
----
-
-## Register evidence — re-verified
-
-- **AP-1 — retire: still justified.** Zero `PhysicsEngine.Resolve` /
- `.ResolvePlacement` receivers in `src/`; the resolver-shaped entry points no
- longer exist, so the row's condition is structurally unreopenable.
-- **AD-1 — retire: still justified.** The recoverable outdoor demote and the
- outdoor-restore `max(terrainZ, z)` lift were `Resolve`'s body; the body is
- gone.
-- **AP-145 — retire: now correctly scoped, and it does not overclaim.** The row
- (`retail-divergence-register.md:175`) covers **both** halves, names
- `TryPublishWithdrawal` and the `#184` shape explicitly, states that the sink
- no longer holds a `LocalPlayerShadowState` reference at all, and — notably —
- **records that the first version of the P4 fact was vacuous and was corrected
- at review**. Every claim in it now maps to something I verified: the
- publish-before-cache ordering, `Register`'s `DeregisterCore`, `Suspend`'s
- retained registration, the single-instance composition, and four
- discriminating facts. Nothing in the row claims more than the fix delivers.
- The one thing it does **not** mention is the M2 guard nuance — worth a clause.
-
----
-
-## Flake attribution — confirmed **#302**, not diff-caused
-
-The reproduced failure is
-`PortalProjectionTests.ClipToRegion_FrameOwnedStore_ReusesExactResultArray`
-(`tests/AcDream.App.Tests/Rendering/PortalProjectionTests.cs:503`) — exactly the
-test `docs/ISSUES.md:1197` files as **#302**: a
-`GC.GetAllocatedBytesForCurrentThread()` assertion in `AcDream.App.Tests`,
-JIT-tiering sensitive, measured 1-in-6 in isolation and once under full-suite
-load. That is the #302 signature, not the load-sensitive `NakEmissionTests`
-#308 look-alike that `ISSUES.md:1211–1224` warns has been conflated twice.
-
-It cannot be diff-caused: the file is untouched (last commit `749e8cee`, zero
-working-tree diff), no rendering or portal-projection code is in this change
-set, and the assertion measures thread-local GC bytes in a component this diff
-does not reach. It passed clean in my own full-suite run
-(App 4,132 passed / 0 failed). Correctly named and not chased.
-
----
-
-## Before commit
-
-1. **M1** — extend the B2 test to a different outdoor grid cell (local `(30,30)`
- → `0x0101000A`) so the cell half is falsifiable, **or** record B2 as
- position-closed / cell-open in the commit message. Do not book full closure
- silently.
-2. **M2** — add the one-sentence guard nuance to the sink's Place comment and
- the AP-145 row.
-3. Carry forward round 1's commit-message requirements: the §3.1 audit outcome
- (11 deleted / 0 re-pointed), the §3.3 covering-test judgment, the §3.6
- coverage-loss declaration (now correctly worded in the test's xmldoc), and
- the count reconciliation **11,112 − 11 + 5 = 11,106 / 4 skips**.
diff --git a/docs/research/2026-08-05-c5a-architecture-review.md b/docs/research/2026-08-05-c5a-architecture-review.md
deleted file mode 100644
index 86e5d503..00000000
--- a/docs/research/2026-08-05-c5a-architecture-review.md
+++ /dev/null
@@ -1,411 +0,0 @@
-# C5a — independent architecture / adversarial review
-
-**Reviewer:** architecture / adversarial (Opus)
-**Scope:** the uncommitted working-tree diff at branch
-`claude/acdream-physics-divergence-5aa784`, HEAD `392c1e22`
-(`git diff HEAD` + the two untracked test files). Contract:
-`docs/research/2026-08-05-c5a-contract.md` (input, not under review).
-**Date:** 2026-08-05
-
----
-
-## VERDICT: **FAIL**
-
-The **deletion sweep (Part 2) is clean and I would pass it on its own.** Every
-structural claim I could falsify held: the two survivors are byte-identical,
-the build is 0-warning/0-error, the suite reconciles to the line, the register
-edits are exactly three rows, and six of the seven test dispositions are
-executed as pinned (one better than pinned).
-
-The failure is concentrated in **Part 1 — the parity tests and the AP-145
-retirement's evidence chain**:
-
-- **A1** — the route-7-P4 test cited *by name in the AP-145 retirement row* as
- proof does not discriminate. Removing the behaviour it claims to pin leaves
- all three of its assertions green.
-- **A2** — the AP-145 fix closes the `Place` half of the cache-vs-publish
- asymmetry and leaves the **exact mirror image on the `Withdraw` half of the
- same method pair**, unfixed and unfiled, with a real collision consequence
- during a park.
-- **A3** — §5.2's carried route-2 B2 acceptance gap is **not closed**. The new
- test never drives an accepted ForcePosition; it hand-authors the receipt, and
- the surface it exercises is already covered by an existing test.
-
-Under this campaign's own standard — "the review IS the coverage gate", and
-four vacuous-test classes already caught this session — A1 alone is
-disqualifying: a divergence-register retirement must not rest on a test that
-passes under its own sabotage.
-
----
-
-## Gate evidence I measured myself
-
-| Gate | Result |
-|---|---|
-| `dotnet build AcDream.slnx -c Release -m:1` | **Build succeeded. 0 Warning(s), 0 Error(s)** |
-| Complete Release suite (`--no-build -m:1`) | **11,105 passed / 4 skipped / 0 failed** |
-| Reconciliation vs baseline 11,112 | 11,112 − 11 (`PhysicsEngineTests` methods deleted) + 4 (3 shadow-composition + 1 force-position) = **11,105 ✓ exact** |
-| Skips | 3 (App) + 1 (Core) = **4 — same as baseline ✓** |
-| Survivors byte-identical | `IsSpawnCellReady` + `AdjustPosition`: `PhysicsEngine.cs:1797–1839` (new) vs `1807–1849` (HEAD) — **`diff` clean over the whole 45-line span ✓** |
-| Survivor production callers intact | `RuntimeSetPositionState.cs:2188,:4397`; `SessionPlayerComposition.cs:374`; `PhysicsCameraCollisionProbe.cs:38,:100` — **all present ✓** |
-| Register blast radius | `git diff -U0` = **6 changed lines**: AD/AP section headers + AD-1, AP-1, AP-145 rows. AP-131, AD-60, AD-61/62, AP-135, AP-141–144, AP-146 **untouched ✓** |
-| #316-preserving pair | `LiveEntityNetworkOnPositionCollapseMatrixTests.cs` **not in the modified-file set — zero diff ✓** |
-| `SetPosition` → `SeedPlacementForTest` re-point | **83 removals / 83 additions**, receivers all controller-typed; **zero `entity.`/`child.`/`Entity.SetPosition` lines touched ✓** |
-
----
-
-## The composition-graph change — my judgment: **CORRECT, and correctly argued**
-
-I attacked this first as instructed. It holds.
-
-- **Exactly one instance, on every host path.** `new LocalPlayerShadowSynchronizer(`
- now has **one** production site in the tree
- (`LivePresentationComposition.cs:508`);
- `SessionPlayerComposition.cs:804` consumes `live.LocalPlayerShadowSynchronizer`.
- `RuntimePlacementPresentationSink` has exactly one production construction
- site, also in `LivePresentationComposition.cs:514`. **No other host
- constructs either** — `grep` over `src/` for `LivePresentationCompositionPhase`
- / `SessionPlayerCompositionPhase` / `new RuntimePlacementPresentationSink`
- returns only `GameWindow.cs:1342/1395` and that one file. Headless and the
- no-window Runtime host never touch this sink at all.
-- **Same arguments before and after.** `GameWindow.cs:1359` feeds
- `_localPlayerShadow` into `LivePresentationDependencies.LocalPlayerShadow`
- and `GameWindow.cs:1429` feeds *the same field* into
- `SessionPlayerDependencies.PlayerShadow`; `_physicsEngine`, `_liveWorldOrigin`
- and `_localPlayerIdentity` are likewise the same instances in both records.
- `liveEntities` is the same `LiveEntityRuntime` the old
- `live.LiveEntities` read. The relocated construction therefore receives an
- argument-identical closure.
-- **Ordering is safe.** Construction at `:508` precedes the sink at `:514`;
- `LivePresentationResult` has a single construction site (`:1209`) reached only
- after `:508`; the field is non-nullable and the sink's ctor
- `throw`s on null (`RuntimePlacementPresentationSink.cs:60`). There is no path
- to a null or a second instance.
-- **Lifetime unchanged.** Both phases publish into the same `GameWindow` shell
- through `PublishSessionPlayer`, whose "already owns session/player state"
- guard (`GameWindow.cs:1063–1085`) proves the two phases are composed as one
- transaction. Moving construction one phase earlier does not straddle a reset
- boundary.
-
-One behavioural nuance worth recording (not a defect): routing through
-`SyncPose` means the Place edge now inherits `SyncPose`'s guard — if
-`IsHidden`, `cellId == 0`, or `!IsCurrentVisibleProjection`, the Place
-**suspends** the shadow where the old direct write merely cached. That is the
-correct, symmetric behaviour (it is what the very next per-tick `Sync` would do
-anyway) and it is inside the §5.1 pre-authorised production change, so it needs
-no separate row. It should be stated in the commit message, since it is the one
-place the fix does more than "also publish".
-
----
-
-## Findings
-
-### A1 — MAJOR. The route-7-P4 test does not discriminate; the AP-145 retirement row cites it as proof
-
-**File:** `tests/AcDream.App.Tests/World/RuntimePlacementShadowCompositionTests.cs:264–293`
-(`Place_ForNonLocalPlayerEntity_NeverTouchesShadowObjects`)
-
-The test's stated job is to prove that the player-only gate at
-`src/AcDream.App/World/RuntimePlacementPresentationSink.cs:249`
-(`record.ServerGuid == _localPlayerGuid()`) is what keeps a committed CHILD
-from gaining a broadphase row — "This drives that directly rather than arguing
-it from inspection."
-
-It does not. The fixture never registers the child in `ShadowObjects`, and
-`ShadowObjectRegistry.UpdatePosition` returns immediately when the entity has
-no registration record:
-
-```
-src/AcDream.Core/Physics/ShadowObjectRegistry.cs:696
- if (!_entityReg.TryGetValue(entityId, out var reg))
- return; // not registered — no-op (callers don't have to gate)
-```
-
-**Concrete failure scenario (the sabotage that should fail and doesn't):**
-delete the `record.ServerGuid == _localPlayerGuid()` gate so every Place calls
-`SyncPose`. Trace it: `IsHidden(0x7000A101)` is false (that guid was never
-materialised); `IsCurrentVisibleProjection(childEntity)` resolves the child's
-own record and returns true; `ShadowPositionSynchronizer.Sync` →
-`UpdatePosition(childId, …)` → the early return above → nothing registered.
-`TotalRegistered` is still `0`, `GetObjectsInCell(DestinationCell)` is still
-empty, `entity.Position` still equals `DestinationPosition`. **All three
-assertions pass with the gate removed.** (If instead the `Suspend` branch were
-taken, `ShadowObjects.Suspend` on an unregistered id is likewise a no-op — the
-test passes either way. It is vacuous on both branches.)
-
-This is caught vacuous-class #4: *a precondition that made the sabotage
-irrelevant*. It is also caught class #2 in part — the two load-bearing
-assertions are pure negatives against a registry the fixture guaranteed empty.
-
-**Why it matters beyond the test file:** the retired AP-145 row
-(`docs/architecture/retail-divergence-register.md:175`) lists, among the four
-things "#318's composition test … proves", "*a Place for a non-local-player
-entity never touches `ShadowObjects` at all (route 7 P4 …)*". A register
-retirement is now standing on a claim the cited test does not establish.
-
-**Fix direction:** give the child a real registration first — mirror fact 1's
-baseline `ShadowObjects.Register(entity.Id, …, seedCellId: SourceCell)` and
-`Synchronizer.Sync(…, force: true)` — then assert after the Place that the
-child's row is **still at `SourceCell` and absent from `DestinationCell`**.
-Add `Assert.Null(fixture.LocalShadow.Current)` so the dedup cache is proven
-un-polluted too (removing the gate writes the child's pose into the *player's*
-cache — a second thing the current test cannot see).
-
----
-
-### A2 — MAJOR. The fix closes `Place` and leaves the identical asymmetry on `Withdraw`, unfixed and unfiled
-
-**Files:** `src/AcDream.App/World/RuntimePlacementPresentationSink.cs:307–308`
-vs `src/AcDream.App/World/LiveEntityProjectionWithdrawalController.cs:148,:156`
-
-AP-145 was, verbatim, "a plain cache write with no side effect beyond
-recording `Current`" on the local-player shadow. The fix routes `TryPublishPlace`
-through the real publisher. Six lines further down in the same class,
-`TryPublishWithdrawal` still does:
-
-```
-src/AcDream.App/World/RuntimePlacementPresentationSink.cs:307
- if (record.ServerGuid == _localPlayerGuid())
- _localPlayerShadow.Clear();
-```
-
-— a bare cache clear with **no** `ShadowObjects.Suspend`. The correct pairing
-exists elsewhere in the same subsystem and shows what the sink is missing:
-
-```
-src/AcDream.App/World/LiveEntityProjectionWithdrawalController.cs:148,156
- if (!retainedProjectileShadow)
- _shadows.Suspend(entity.Id); // registry
- ...
- _localPlayerShadow.Clear(); // cache
-```
-
-**Concrete failure scenario:** a local-player park (`Withdraw`) — the path
-`TryApplyWithdrawalRestoration`'s own xmldoc (`:202`) names as touching "the
-local-player shadow". The cache says "no shadow"; the registry still carries a
-live row for the player at the park's **source** cell. For the whole park
-window every other entity's collision sweep in that cell collides with a
-phantom player, and nothing self-heals, because a withdrawn player receives no
-per-tick `Sync`. Restoration papers over it (`TryPublishPlace` → `SyncPose`
-force-republishes), so the symptom is a transient phantom obstruction during a
-park — exactly the "why not observed live" shape AP-145 itself carried.
-
-This is **pre-existing**, not introduced by C5a. But (a) register rule 1 makes
-an unrecorded deviation "a bug twice over", (b) this diff is the commit that
-retires AP-145 and its retirement text asserts the seam is now symmetric with
-ordinary per-tick movement, and (c) it is six lines from the line being fixed —
-this is precisely the review's job to catch.
-
-**Fix direction:** either route the withdrawal through
-`_localPlayerShadowSync.Suspend(entity)` (a production behaviour change → its
-own commit with its own gate, per the no-workarounds rule), **or** file a new
-AP row / issue in this same commit recording the Withdraw-half asymmetry and
-its "risk if the assumption breaks" column, and narrow AP-145's retirement text
-to the `Place` edge it actually covers.
-
----
-
-### A3 — MAJOR. §5.2's route-2 B2 acceptance gap is not closed; the test largely duplicates existing coverage
-
-**File:** `tests/AcDream.App.Tests/World/RuntimeForcePositionRenderCommitTests.cs:57–105`
-
-The contract's §5.2 deliverable: *"an App-layer test driving an **accepted
-ForcePosition end to end** through `RuntimePlacementPresentationSink` /
-`TryApplyRuntimePlacementPlace` and asserting the render entity's position/cell
-came from the committed placement receipt."* B2's original finding is about a
-**ForcePosition** producing a receipt that the render entity then follows.
-
-What landed does not drive a ForcePosition at all. It hand-authors a
-`RuntimePlacementProjectionSnapshot` (`:107–133`) and calls `Sink.TryApply`.
-The test's own xmldoc concedes it: *"rather than driving the full
-`RuntimeAcceptedPositionDriveController` pipeline."* The receipt's contents are
-therefore the **test's assumption**, not the ForcePosition path's output — the
-half of B2 that could actually be wrong ("canonical body moves, render entity
-stays put") is asserted by narrative.
-
-Worse, the surface it does exercise is already pinned at HEAD:
-
-```
-tests/AcDream.App.Tests/World/RuntimePlacementPresentationSinkTests.cs:29
- Place_ReframesAndRebucketsExactSidecarWithoutMutatingRuntimePhysics
- :57 Assert.Equal(place.WorldPosition, entity.Position);
- :58 Assert.Equal(place.Orientation, entity.Rotation);
- :59 Assert.Equal(DestinationCell, entity.ParentCellId);
- :60 Assert.True(record.IsSpatiallyProjected);
- :61 Assert.True(record.IsSpatiallyVisible);
-```
-
-Those are the same five facts the new test asserts (`:90–104`). The only deltas
-are a stale-wire-pose pre-state and `Portal: default`. That is a real but small
-increment; it is not the recorded gap.
-
-**Fix direction:** drive `RuntimeAcceptedPositionDriveController
-.TryExecuteAcceptedLocalPosition` (or the accepted-ForcePosition entry the
-route-2 landing added) so the receipt is **produced** by the path under test,
-then assert the render entity against the emitted receipt. If that fixture cost
-is judged disproportionate, then B2 must be recorded as **still unmet** in the
-plan and the commit message, not marked closed — a partial closure silently
-booked as full is how an acceptance gap disappears.
-
----
-
-### A4 — MINOR (one line is borderline MAJOR). Stale citations of the deleted `PhysicsEngine.Resolve` survive the D7 sweep
-
-All four are plain ``/comment text, so the 0-warning build cannot catch
-them:
-
-| File:line | Text | Why it's wrong now |
-|---|---|---|
-| `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:145` | "PhysicsEngine.Resolve is still used each frame to snap the player to terrain/cell floor Z and detect ground contact." | Class-summary architecture note asserting a **per-frame** call to a method that no longer exists. First thing a reader of the local-movement controller sees. |
-| `src/AcDream.Core/Physics/CellTransit.cs:878` | "…mirrors the NO-LANDBLOCK contract in `PhysicsEngine.Resolve`." | Cites a deleted contract as the authority for a live early-return. |
-| `src/AcDream.Core/Physics/CellTransit.cs:1059` | "handled at the SNAP by `PhysicsEngine.Resolve`'s `AdjustPosition` validation since #107/#111" | The snap path is gone; `AdjustPosition` survives but is now reached only from `PhysicsCameraCollisionProbe`. |
-| `src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs:794` | "retiring the duplicate `Resolve`/`ResolvePlacement`/`SetPosition` authority" | The contract acknowledged this mention; the retirement it forecasts has now happened, so the comment should close, not linger as a to-do. |
-
-The contract's D7 enumerated only three doc targets and scoped the `cref` sweep
-to `PhysicsEngine.cs`, so this is strictly beyond-contract — but the campaign's
-"cite by symbol, these move" discipline exists for exactly this, and
-`PlayerMovementController.cs:145` is materially misleading.
-
-**Fix direction:** rewrite `:145` to name `ResolveWithTransition` (the real
-per-frame resolver) and correct the two `CellTransit` notes to cite
-`PhysicsEngine.SetPosition` / `AdjustPosition` by symbol.
-
----
-
-### A5 — MINOR. A factual error in the rewritten `CommitPreparedPosition` test's xmldoc
-
-**File:** `tests/AcDream.App.Tests/Input/PlayerMovementPlacementTransactionTests.cs:24–28`
-
-> "The render-root-publish-on-commit and **sticky-target-release-on-commit**
-> invariants this test originally pinned now live INSIDE that Runtime
-> final-commit transaction."
-
-Half true. Render-root publish **does** live there —
-`RuntimeSetPositionState.cs:2774` `_physics.Engine.UpdatePlayerCurrCell(result.CellId)`
-inside the dormant-activation final commit. Verified.
-
-The sticky release does **not**. `grep -rn "UnStick" src/` returns **zero**
-call sites in `src/AcDream.Runtime/` on that path; the only local-player
-`UnStick` is `PlayerMovementController.cs:1892`, inside `SetPositionCore` and
-gated on `if (publishSharedState)` — and `PreparePositionForCommit` passes
-`publishSharedState: false`. So the unstick-at-first-entry-commit behaviour
-was not relocated; it went away with the (already caller-free, therefore
-already dead) `CommitPreparedPosition`. That is harmless — it was never running
-in production — but the comment states a relocation that did not happen, and a
-future reader chasing "where does first-entry unstick happen now?" will be sent
-to a method that does not do it.
-
-**Fix direction:** say plainly that the sticky release had no production caller
-and is not performed at first-entry commit today; cite
-`RuntimeSetPositionState`'s `UpdatePlayerCurrCell` by symbol for the half that
-did move.
-
-The rewritten test itself is **good**: `Assert.Null(Constraint)` before /
-`Assert.NotNull(Constraint)` + `IsConstrained` after makes it discriminating,
-and the two retained negatives are correctly framed as "this layer does not do
-this" rather than as the pin.
-
----
-
-### A6 — MINOR. The re-pointed scratch differential never asserts a placement actually happened
-
-**File:** `tests/AcDream.Core.Tests/Physics/TransitionScratchDifferentialTests.cs:474–520`
-(`AssertSetPositionBitwise`), used by `ReusedScratch_MatchesFreshPlacementSearch`
-
-The differential compares `expected` against `actual` field-by-field, but there
-is no positive assertion that either result committed (`Assert.True(expected.IsCommitted)`,
-or `Assert.NotEqual(input, expected.Position)` as `InitialPlacementOverlapTests`
-does). A future regression that makes canonical `SetPosition` fail *identically*
-on the fresh and reused engines leaves the differential green while the
-scratch-reuse surface it guards goes unexercised.
-
-The pre-deletion `ResolvePlacement` arm had the same weakness (it compared `Ok`
-rather than asserting it), so this is not a regression introduced here — but
-the re-point was the moment to close it, and the new `AssertSetPositionBitwise`
-is otherwise excellent (the `ImmutableArray.Equals` reference-comparison note
-at `:501–505` is the kind of thing that would have produced a false-fail).
-
----
-
-## Dispositions — did any of the seven lose coverage?
-
-| # | Contract disposition | Executed | Coverage verdict |
-|---|---|---|---|
-| 3.1 | `PhysicsEngineTests` — audit, then delete | 11 methods deleted, 0 re-pointed, 6 `ResolveWithTransition` methods retained | **No loss.** I re-audited all 11 against HEAD: none touches `AdjustPosition` or `IsSpawnCellReady`; `Resolve_ZeroDeltaSnapTrace_IsExplicitlyOptIn` pinned the `[snap]` diagnostic emitted *inside* the deleted body; the rest pinned legacy floor-snap / step-height / portal-transition semantics that die with the method. `PhysicsEngineAdjustPositionTests` (3 tests: sibling-resolve, no-cell, outdoor-snap) covers the survivor. **The §3.1 audit outcome must still appear in the commit message.** |
-| 3.2 | `Issue133…` — re-point (named-bug pin) | Re-pointed to canonical `PhysicsEngine.SetPosition` with the exact #133 geometry (dungeon claim `0x00070143`, dungeon block at world-Y 130 → local Y −60, resident Holtburg neighbour at origin) | **No loss.** Asserts `result.CellId == 0x00070143` and `CellId & 0xFFFF0000 == 0x00070000` on a committed result. If anyone reintroduced an lbPrefix resident-block scan into the canonical path, this fails. Best available pin for a defect whose mechanism no longer exists. |
-| 3.3 | `InitialPlacementOverlapTests` — verify-then-delete-or-re-point | Re-pointed | **Judgment correct, verified independently.** `grep -c "ShadowObjects.Register" tests/…/PhysicsSetPositionTests.cs` = **0** — that suite has zero other-entity occupancy; its `placementPasses >= 2` arm (`:1152–1194`) is BSP-hook-injection driven, exactly as the implementer said. The re-point is discriminating (`Assert.NotEqual(savedFeet, result.Position)` + the centre-distance ≥ 2r check + the 4 m bound). The two-sphere capsule reconstruction matches the legacy scalar `InitPath(0.48, 1.835)` shape. |
-| 3.4 | `TransitionScratchDifferentialTests` — re-point or drop explicitly | Re-pointed with `AssertSetPositionBitwise` | **Preserved.** Both the bitwise fresh-vs-reused comparison and the second-identity (`0x80000102`, hostile) leak check survive; the new asserter covers every `PhysicsSetPositionResult` member including the three id arrays. See **A6** for the one gap. |
-| 3.5 | `SetPosition` → `SeedPlacementForTest` | 83 sites / 19 files | **No loss, no meaning change.** 83 removals ↔ 83 additions; the 2-arg → 3-arg conversions all pass `pos` as `cellLocal`, byte-for-byte what the deleted 2-arg overload did; the seed calls the same production `SetPositionCore`, so the AD-61 grounded/zero-velocity start is unchanged. **Zero `entity.`/`child.`/`Entity.SetPosition` (`WorldEntity`) lines touched** — verified by regex over the whole test diff. Both `Assert.Throws` guard sites re-pointed, preserving `EnsurePublishedForRuntimeOperation` coverage. |
-| 3.6 | `CommitPreparedPosition` — re-point at the replacement | 1 rewrite + 2 throw-site re-points | **Partial, honestly declared.** The two throw sites re-point cleanly onto `ArmConstraintLeashAtCommittedPlacement`, which carries the same guard. The rewrite is discriminating. **Coverage genuinely lost:** render-root-publish-on-commit and sticky-release-on-commit are no longer pinned at any layer — the former does exist in Runtime (`RuntimeSetPositionState.cs:2774`) but is not asserted by the re-point; the latter does not exist at all (see **A5**). The contract permitted this only with a commit-message note; the note is in the xmldoc and is **half wrong**. |
-| 3.7 | `Begin*` wrappers — keep as documented seam | Kept, xmldoc added to both (`RuntimeSetPositionState.cs:1321,:1343`) | **Correct, as pinned.** |
-
-**Summary: one disposition (3.6) lost real coverage, declared but mis-described.
-The other six are clean.** The silent-coverage-loss risk the slice was designed
-around did **not** materialise in the deletion sweep — it materialised in the
-*new* tests (A1, A3).
-
----
-
-## Register retirements — verified
-
-- **AP-1 — retire: justified.** I re-ran the census: zero `PhysicsEngine.Resolve`
- / `.ResolvePlacement` receivers in `src/`; the only
- `_physics.Engine.SetPosition` sites are in `RuntimeSetPositionState`. After
- D1–D3 the resolver-shaped entry points do not exist, so the row's condition
- is structurally unreopenable. Correct.
-- **AD-1 — retire: justified.** The recoverable outdoor demote and the
- outdoor-restore `max(terrainZ, z)` lift were `Resolve`'s body; the body is
- gone. Correct.
-- **AP-145 — retire: justified in mechanism, overstated in evidence.** The
- mechanism claim ("`SyncPose` publishes before it records the cache, so the
- cache can no longer be pre-seeded ahead of the real publish") is true and I
- verified the `Register` → `DeregisterCore` ordering
- (`ShadowObjectRegistry.cs:403`) that backs the no-stale-source-row claim. The
- row's fourth proof bullet (route-7 P4) rests on the vacuous test — see **A1**;
- and the row's framing implies a symmetry the `Withdraw` half does not have —
- see **A2**.
-- **Untouchable set held.** AP-131, AD-60, AD-61, AD-62, AP-135, AP-141–144,
- AP-146 — all unmodified. Section counts updated correctly (AD 48→47, AP
- 103→101 for two retirements). Strikethrough-plus-RETIRED matches the file's
- established convention (31 existing `| ~~…~~` rows).
-- **#275 surface untouched.** `InboundPhysicsStateController` and
- `RuntimeEntityObjectLifetime` are not in the modified-file set. ✓
-
----
-
-## Vacuous-test hunt — all four classes, result
-
-| Class | Hunted in | Result |
-|---|---|---|
-| Asserting a field written unconditionally earlier | all new/changed assertions | Clean. The shadow-composition tests assert `ShadowObjects` rows, which only `SyncPose` writes; the B2 test's `entity.Position` is written only by `TryApplyRuntimePlacementProjection`. |
-| Asserting only negatives | `Place_ForNonLocalPlayerEntity_…`, the rewritten transaction test | **HIT on `Place_ForNonLocalPlayerEntity_…`** (two of three assertions are negatives against a guaranteed-empty registry). The transaction test is clean — it pairs its negatives with a positive (`Constraint` non-null) and a precondition (`Constraint` null before). |
-| Fixture staging makes the wrong expression compute the right answer | the destination-cell flood geometry (`DestinationPosition = (202,10,5)` with `worldOffsetX: 192`), the two-sphere capsule reconstructions | Clean. The flood-lands-under-`DestinationCell` construction is load-bearing and documented at `:80–84`; if it were wrong the discriminating assertion would fail, not falsely pass. |
-| A precondition that made the sabotage irrelevant | all three shadow-composition facts | **HIT on `Place_ForNonLocalPlayerEntity_…`** — the child is never registered, so `UpdatePosition`'s not-registered early return makes the gate's presence unobservable. Facts 1 and 2 are clean: both establish a **real** source-cell registration first, which is exactly what makes the "row moved to destination / source row gone" assertions bite. |
-
-Facts 1 and 2 of `RuntimePlacementShadowCompositionTests` are genuinely good
-discriminators, and the negative-control comment at `:159–165` (naming the
-cache assertion as the shape that would have passed under the bug) is exactly
-the right way to document a sabotage argument. The problem is confined to the
-third fact.
-
----
-
-## What must happen before a re-review
-
-1. **A1** — make `Place_ForNonLocalPlayerEntity_NeverTouchesShadowObjects`
- discriminate (register the child first; assert its row stays at `SourceCell`;
- assert the player's cache is not polluted). Re-verify by sabotage: remove the
- `_localPlayerGuid()` gate and confirm the **new** assertion is the one that
- fails.
-2. **A2** — either fix the `Withdraw` half as its own reviewed commit, or file
- the deviation as a register row **in this commit** and narrow AP-145's
- retirement text to the `Place` edge.
-3. **A3** — drive an actual accepted ForcePosition, or record B2 as still open.
-4. **A4/A5** — correct the four stale `PhysicsEngine.Resolve` citations and the
- sticky-release claim in the transaction test's xmldoc.
-5. **A6** — add the "a placement actually committed" positive to the differential.
-6. **Commit message** must carry: the §3.1 audit outcome (11 deleted / 0
- re-pointed, with the reason), the §3.3 covering-test judgment, the §3.6
- coverage-loss declaration, the count reconciliation (11,112 − 11 + 4 =
- 11,105 / 4 skips), and the `SyncPose` suspend-guard nuance noted in the
- composition section above.
diff --git a/docs/research/2026-08-05-c5a-contract.md b/docs/research/2026-08-05-c5a-contract.md
deleted file mode 100644
index 6d85d74b..00000000
--- a/docs/research/2026-08-05-c5a-contract.md
+++ /dev/null
@@ -1,470 +0,0 @@
-# C5a contract — legacy deletion sweep + carried parity tests (pinned 2026-08-05)
-
-Pinned at HEAD **`392c1e22`** (branch `claude/acdream-physics-divergence-5aa784`),
-i.e. AFTER #319 landed. Every symbol, caller census, and line number below was
-**re-verified against this HEAD by grep/read**, not inherited from the C5
-scoping (`2026-08-05-c5-scoping.md`, written at `52175aa1`) — §9 lists every
-place the scoping's picture moved. Baseline: complete Release suite
-**11,112 passed / 4 skipped / 0 failed**, measured at `392c1e22` (the #319
-commit message records the measurement; re-measure at implementation start,
-never inherit — process rule (c)).
-
-**Scope, stated negatively first:**
-
-- **NOT #275.** The steady-state inbound-Position merge
- (`InboundPhysicsStateController.TryApplyPosition`, the simple overload) and
- `RuntimeEntityObjectLifetime`'s wire-derived `FullCellId` refresh (the
- `refreshPosition: acceptedPosition` call, **now at `:1926`** post-#319) are
- the C5b behaviour change with its own contract. C5a must not modify either
- file's executable code (one test-file doc-comment correction is the only
- permitted touch near this surface, §1 D7).
-- **NOT the probe strip.** All six `ACDREAM_PROBE_*` temporary flags stay
- (C5c); they are env-gated and inert to everything here.
-- **NOT AP-131, NOT AD-60's legacy half, NOT AP-145's seam** (except the
- pre-authorized red branch in §5.1). Those rows stay in the register
- untouched.
-
-**Scope, positively:** the six deletion groups in §1 (~490 production lines),
-the seven test-caller dispositions in §3, retirement of register rows **AP-1**
-and **AD-1** in the same commit as the deletions, and the two carried parity
-tests in §5 (#318 composition; route-2 B2).
-
----
-
-## 1. Deletion inventory — re-verified at `392c1e22` by symbol
-
-Caller censuses below are exhaustive over `src/` (all `*.cs`). Method: for
-`Resolve`, every `.Resolve(` receiver in `src/` was enumerated and typed — 38
-distinct receiver/site classes, **none** a `PhysicsEngine` (see the grep-hygiene
-note in §3.8: two of them are #319's NEW `ParentAttachmentState.Resolve`, a
-name collision that did not exist when the scoping ran its census). For the
-others, direct symbol grep over `src/` and `tests/`.
-
-| # | Symbol | Location at HEAD | Production callers | Test callers | ~Lines |
-|---|---|---|---|---|---|
-| D1 | `PhysicsEngine.Resolve(Vector3, uint, Vector3, float)` | `src/AcDream.Core/Physics/PhysicsEngine.cs:1863`–`~2200` (body ends before `ResolveWithTransition`'s xmldoc; the live method at `:2223` is a **different member** and stays) | **ZERO** | `PhysicsEngineTests.cs` ×12 (`:41,:48,:66,:88,:111,:150,:186,:211,:391,:434,:446,:460`); `Issue133DungeonTeleportPrefixTests.cs:58` | ~360 |
-| D2 | `PhysicsEngine.HasCellSurface` | `PhysicsEngine.cs:1767`–`~1789` | only `Resolve` itself (`:1887`) — deletes with D1 | none | ~23 |
-| D3 | `PhysicsEngine.ResolvePlacement` | `PhysicsEngine.cs:2748`–`~2815` | **ZERO** (sole non-test mention is the already-recorded retirement comment at `HeadlessSessionWorldProjection.cs:794`) | `InitialPlacementOverlapTests.cs:42`; `TransitionScratchDifferentialTests.cs:185,:194,:208,:217` | ~70 |
-| D4 | `PlayerMovementController.SetPosition` (both overloads) | `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:1746,:1760` | **ZERO** — every `.SetPosition(` in `src/` outside `PhysicsEngine.cs` is `WorldEntity.SetPosition` (receivers `entity.`/`child.`) or Core `PhysicsEngine.SetPosition` via `_physics.Engine.` from `RuntimeSetPositionState` (`:2028,:3125,:4789`), the canonical path | 19 test files, ~80 sites (44 in `PlayerMovementControllerTests.cs` alone) — **fixture setup**, not subject (§3.5) | ~30 gross; ~15 net after the retained seed (§3.5) |
-| D5 | `PlayerMovementController.CommitPreparedPosition` | `PlayerMovementController.cs:1789` | **ZERO** — production replacement is `ArmConstraintLeashAtCommittedPlacement` (`:1815`), called from `RuntimeLocalPlayerPhysicsPublicationState.cs:774`; `PreparePositionForCommit` (`:1776`) remains production via `RuntimeLocalPlayerPhysicsPublicationState.cs:219` | `PlayerMovementPlacementTransactionTests.cs:42`; `PlayerMovementControllerTests.cs:1158`; `RuntimeLocalPlayerPhysicsPublicationStateTests.cs:3007` | ~25 |
-| D6 | `RuntimeSetPositionState.BeginAcceptedPlacement` / `BeginAuthoredPlacement` | `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs:1321,:1333` | **ZERO** — pure pass-throughs to `BeginAcceptedPlacementCore`; production reaches the core via `Apply` (`:1304`) and the authored sequence | **39 sites across 9 Runtime test files** (scoping said ~40/10; re-censused) | **0 — KEEP as documented test seam** (§3.7) |
-| D7 | Doc hygiene | stale `BlipPosition`/`PlayerMovementController.SetPosition` doc refs at `src/AcDream.Core/Physics/Motion/ConstraintManager.cs:25` (note: the scoping's path lacked `Motion/`) and `src/AcDream.Core/Physics/PhysicsBody.cs:442`; the stale `TryApplyPickup (:1116)` citation in `RuntimeAcceptedPositionDriveControllerTests.cs` (~`:221` region; the method lives in `RuntimeEntityObjectLifetime`, currently ~`:1258+`) — **cite by symbol, not line**, in the correction | — | — | ~20 comment lines |
-
-Net production deletion: **~490 lines** (the scoping's ~540 minus D6's kept
-~25 and D4's retained seed). All deletions are compile-loud.
-
-**Confirmed unchanged from the scoping's §1c (NOT deletable, re-spot-checked):**
-`ILocalPlayerTeleportPlacement`/`LocalPlayerTeleportPlacement.Place` (live
-post-commit presentation suffix, `LocalPlayerTeleportController.cs:243` still
-calls `entity.SetPosition(controller.Position)` inside it);
-`PlayerMovementController.SetPositionCore` (`:1845`, production via
-`PreparePositionForCommit`); the route-4 leftovers; AP-135's bookkeeping;
-`RuntimeLiveEntitySessionController.cs:141`'s pre-flip path (its file WAS
-touched by #319, but the C4/C5-revisit comment's unblock condition is still
-unmet).
-
----
-
-## 2. The survivor hazard — TWO production members inside the deletion region, not one
-
-The scoping named one. Re-verification at HEAD finds **two**:
-
-1. **`IsSpawnCellReady` (`PhysicsEngine.cs:1807`)** — production callers
- `RuntimeSetPositionState.cs:2169,:4378` and
- `SessionPlayerComposition.cs:374`. Sits between `HasCellSurface` (delete)
- and `Resolve` (delete).
-2. **`AdjustPosition` (`PhysicsEngine.cs:1813`)** — **the scoping never
- dispositioned it.** It is production: `PhysicsCameraCollisionProbe.cs:38,:100`
- (the camera collision probe), plus six-plus test files
- (`PhysicsEngineAdjustPositionTests`, the camera replay suites,
- `Issue177StairDescentCameraFloodTests`, ...). It sits between
- `IsSpawnCellReady` and `Resolve` — dead centre of the physical block.
-
-**Pinned survival rule:** the deletion is **member-wise, never region-wise**.
-Delete exactly the bodies of `HasCellSurface`, `Resolve`, and
-`ResolvePlacement`; `IsSpawnCellReady` (`:1807`–`:1811`) and `AdjustPosition`
-(`:1813`–`:1861`) remain byte-identical in executable code.
-
-**Xmldoc fallout (same commit):** `IsSpawnCellReady`'s summary contains
-`` (in the `:1791`–`:1806` block) and `HasCellSurface`'s
-summary names "the Resolve safety net"; the second dies with its method, the
-first must be rewritten (the "loud outdoor-demote safety net" sentence
-describes machinery this commit deletes — rewrite the paragraph to describe
-the canonical `SetPosition` reality, do not leave a cref to a deleted symbol).
-Sweep `PhysicsEngine.cs` for any other `cref="Resolve"`/`cref="ResolvePlacement"`
-after the deletion; the build must be warning-clean on missing crefs.
-
----
-
-## 3. The seven test-only-caller dispositions — re-verified, each carried forward
-
-Framing (from the scoping, still correct): deleting a method whose callers are
-tests is compile-loud. The silent hazard is the **disposition of the tests
-afterward** — deleting a test that pinned MOVED behaviour loses the pin with a
-green build. Each case below is a binding disposition; any deviation must be
-argued in the commit message.
-
-### 3.1 `PhysicsEngine.Resolve` unit tests — behaviour GONE → DELETE, after a one-pass audit
-
-`PhysicsEngineTests.cs` (565 lines, 12 `engine.Resolve(` sites). The
-outdoor-demote / legacy floor-snap / terrain-lift semantics die with the
-method; canonical replacements have their own suites (`PhysicsSetPositionTests`,
-`RuntimeSetPositionStateTests`). **Audit before deleting:** any individual
-assertion that actually pins canonical-owned behaviour — specifically
-`AdjustPosition` semantics, which SURVIVE — is re-pointed at `AdjustPosition`
-directly (note `PhysicsEngineAdjustPositionTests.cs` already exists; a
-re-point may land there). The audit's outcome (N assertions re-pointed, M
-deleted) goes in the commit message.
-
-### 3.2 `Issue133DungeonTeleportPrefixTests` — behaviour MOVED → RE-POINT (named-bug regression pin)
-
-Verified at HEAD: the defect mechanism this test pins — the `lbPrefix`
-resident-landblock scan that re-stamped a validated dungeon claim with a
-neighbour's prefix — lives **entirely inside `Resolve`'s body**
-(`PhysicsEngine.cs:1928,:1937,:1984-1995,:2193`). The canonical
-`PhysicsSetPosition` path has **no lbPrefix scan** — the defect class cannot
-recur there by construction. That is precisely why the pin must be
-**re-pointed, not deleted**: #133 is a closed named bug, and the invariant
-(a validated dungeon claim's landblock prefix is authoritative; a committed
-cell never gets re-stamped from a neighbouring resident block) must stay
-assertable against whatever path owns placement now.
-
-**Re-point spec:** drive a teleport-classified canonical placement
-(`RuntimeSetPositionState`, or Core `PhysicsEngine.SetPosition` if the fixture
-cost is lower) with the test's exact geometry — dungeon claim `0x00070143`,
-dungeon block world-offset so its local Y is negative, resident neighbour
-block at origin containing the same XY — and assert the committed cell keeps
-the `0x0007` prefix. Alternative accepted by this contract: PROVE an existing
-canonical test already pins prefix authority for an off-bounds dungeon claim
-and record the proof (test name + assertion) in the deleting commit. Silent
-deletion is a contract violation.
-
-### 3.3 `InitialPlacementOverlapTests` — behaviour MOVED → VERIFY-THEN-DELETE
-
-The ring-search half of enter-world placement is ported inside canonical
-`SetPosition` (`TransitionTypes.cs:1596` `FindPlacementPosition`, retail
-0x0050C170; `PhysicsSetPositionTests.cs` header cites it and has
-placement-probe scenarios, e.g. the `placementPasses >= 2` retry arm at
-`:1152-1194`). **The audit criterion:** confirm `PhysicsSetPositionTests`
-covers the **other-entity-occupancy** ring search this test pins (a relogging
-player overlapping a registered creature sphere searches outward to the
-nearest clear ring) — occupancy-driven, not merely BSP-failure-driven. If
-covered: delete, citing the covering test by name. If not: re-point this
-test's scenario through canonical `SetPosition` with a placement class that
-reaches `FindPlacementPosition` (~50–100 lines), then delete the
-`ResolvePlacement` call.
-
-### 3.4 `TransitionScratchDifferentialTests` — differential arm → RE-POINT OR DROP EXPLICITLY
-
-Verified at HEAD: the spec-based sequence arms (`ResolveSpec.Resolve` at
-`:618`) call `ResolveWithTransition` — **untouched by this slice**. Only
-`ReusedScratch_MatchesFreshPlacementSearch` (`:180`–`:227`, four
-`ResolvePlacement` sites) is affected. It is a Slice-I zero-alloc scratch-reuse
-differential over the placement search (including the hostile-identity
-leak check). **Disposition:** re-point the arm at the canonical entry that
-reaches `FindPlacementPos` (Core `SetPosition` with the appropriate placement
-class), preserving both the bitwise fresh-vs-reused comparison and the
-second-identity leak check. If re-pointing is disproportionate, the arm may be
-dropped ONLY with an explicit commit-message decision naming what coverage the
-I-slice differential loses — never silently.
-
-### 3.5 `PlayerMovementController.SetPosition` fixture usage — NEITHER gone nor moved → RETAINED SEED + mechanical re-point
-
-Census at HEAD: **19 test files** reference `PlayerMovementController` and
-call `.SetPosition(`; ~80 sites total; 44 in `PlayerMovementControllerTests.cs`,
-8 in `LocalPlayerTeleportControllerTests.cs`, 5 in `HeadlessSessionHostTests.cs`,
-the rest 1–4 each. (Per-site care: a file can reference the controller and
-still call `WorldEntity.SetPosition` — type each site during the re-point,
-don't regex-replace blind.)
-
-**Pinned design (the scoping's "cheaper and honest" option, adopted):** keep
-**ONE** internal, explicitly-named test seed on the controller — rename the
-3-arg overload to `SeedPlacementForTest(Vector3 pos, uint cellId, Vector3 cellLocal)`
-(internal; xmldoc states it exists ONLY to seed fixtures and that production
-placement flows through `PreparePositionForCommit` →
-`ArmConstraintLeashAtCommittedPlacement`), delete the 2-arg overload, and
-mechanically re-point all ~80 sites. Semantics are reproduced by construction:
-the seed calls the SAME `SetPositionCore` (which stays production), so the
-grounded, zero-velocity start (the AD-61 force-seed) that dozens of movement
-tests assume is unchanged. This is the one production-file signature change
-in the slice; its body is untouched.
-
-### 3.6 `CommitPreparedPosition` tests — behaviour MOVED → RE-POINT at the arm/commit replacement
-
-Three sites, each audited individually:
-
-- `PlayerMovementPlacementTransactionTests.cs:42` (100-line file): the
- prepared-position transaction assertions run against the production pair
- (`PreparePositionForCommit` + `ArmConstraintLeashAtCommittedPlacement`) —
- rewrite the test against that pair, or delete it if
- `RuntimeLocalPlayerPhysicsPublicationStateTests` provably covers the same
- transaction shape (cite which test).
-- `PlayerMovementControllerTests.cs:1158` and
- `RuntimeLocalPlayerPhysicsPublicationStateTests.cs:3007` both assert
- `Throws` on the uncommitted/displaced state.
- Audit whether the replacement arm carries an equivalent guard; if yes,
- re-point the throw assertion at it; if the guard died with the method,
- delete the assertion WITH a commit-message note (guard semantics gone, not
- overlooked).
-
-### 3.7 `BeginAcceptedPlacement`/`BeginAuthoredPlacement` — NEITHER → KEEP AS DOCUMENTED SEAM
-
-39 sites across 9 Runtime test files at HEAD. The wrappers are pure
-pass-throughs to the production core (`BeginAcceptedPlacementCore`); deleting
-them buys zero behaviour and costs broad mechanical churn across the Runtime
-suite. **Disposition: keep, with an xmldoc sentence on each wrapper naming it
-a test seam** (so a future sweep does not re-litigate this). This is a
-recorded deliberate exception to "delete every superseded legacy path": the
-wrappers are not a legacy PATH — the core they call IS the canonical path.
-
-### 3.8 Landmines and grep hygiene
-
-- **The #316-preserving pair** (`LiveEntityNetworkOnPositionCollapseMatrixTests.cs:131,:180`)
- pins a defect **preserved verbatim**. C5a must not touch it; it inverts only
- with #316's measured fix (C5-gate session / later).
-- **#319 introduced `ParentAttachmentState.Resolve`** (`ParentAttachmentState.cs:432`),
- called at `EquippedChildRenderController.cs:920` and
- `RuntimeLiveEntitySessionController.cs:390`. A mechanical grep for
- `.Resolve(` now hits relation resolution — neither site is `PhysicsEngine`.
- Any "prove zero callers" re-run during implementation must type receivers,
- not count matches.
-- The affected-file overlap between #319 and this slice is **empty**: #319
- touched `EquippedChildRenderController`, `LiveEntityHydrationController`,
- `LiveEntityPresentationController`, `ParentAttachmentState`,
- `RuntimeEntityObjectLifetime`, `RuntimeLiveEntitySessionController` — none
- contains a C5a deletion target. Verified.
-
----
-
-## 4. Register retirements — AP-1 and AD-1, with the code evidence; four rows explicitly untouchable
-
-A row retires because the code proves its condition met. Both retirements ride
-**in the same commit as the D1–D5 deletions** (register rule 1).
-
-### AP-1 — RETIRE. Evidence at `392c1e22`:
-
-Row text: "Production zero-delta routes deliberately remain on the legacy
-resolver until 4B2..." — **false at HEAD**:
-
-1. The "legacy resolver" is `PhysicsEngine.Resolve`/`ResolvePlacement`. The
- exhaustive receiver census (§1) shows **zero** `PhysicsEngine.Resolve` or
- `.ResolvePlacement` call sites in `src/`.
-2. Every production placement writer reaches Core `PhysicsEngine.SetPosition`
- **only** through `RuntimeSetPositionState` (`:2028,:3125,:4789` — the only
- three `_physics.Engine.SetPosition` sites in `src/`).
-3. The row's named prerequisites (authored mover, rebucketing,
- prefix-quiescence, body publication, atomic route cutover) landed across
- C0–C4; the local controller's body adoption landed at C3c.
-4. Deleting D1–D5 makes the retirement **structural**: the resolver-shaped
- entry points cease to exist, so no future caller can re-open the row's
- condition.
-
-The narrower survivors (#276 settle-cell discard, AD-61 force-seed, AD-62
-non-commit outcomes) are separately filed rows/issues and do not block AP-1's
-own condition — deleting AP-1 does not orphan them.
-
-### AD-1 — RETIRE. Evidence at `392c1e22`:
-
-Row text: "Production authoritative placement still routes through the legacy
-recoverable outdoor demote and outdoor-restore `max(terrainZ, z)` lift" —
-**false at HEAD**: that code is `Resolve`'s body (demote at
-`PhysicsEngine.cs:~1890-1910`, the outdoor `max(terrain, z)` lift inside the
-snap block ~`:2160-2175`) and `Resolve` has zero production callers. The
-lost-cell stand-in the row describes is unreachable from production. Deleting
-D1/D2 removes the divergent mechanism outright.
-
-### Must NOT be touched (each blocked on work outside this slice):
-
-- **AP-131** — retires only with **#275** (C5b): the legacy
- `TryApplyPosition` unconditional `installPlacementFrame: true, clearParent: true`
- is still the ONLY steady-state production Position merge at HEAD.
-- **AD-60's legacy half** — same gate (#275): the
- `RefreshSnapshot(..., refreshPosition: acceptedPosition)` site — **`:1926`
- at HEAD** (the scoping's `:1918` and the register's `:1338` are both stale;
- cite the symbol) — still derives `FullCellId` from bare wire acceptance.
-- **AP-145** — retires with **#318's fix**, never with its test. The §5.1
- composition test makes the asymmetry falsifiable; only the pre-authorized
- red branch may touch the seam, and then AP-145 retires in THAT commit.
-- **AD-61 / AD-62 / AP-135 / AP-141–146** — all carry their own retirement
- conditions; none is met by anything in this slice. (AP-146 and the AP-132
- amendment are #319's, three days old — do not disturb.)
-
----
-
-## 5. The two carried parity tests
-
-Both are test-only against HEAD's production code, land BEFORE the deletion
-commit (they are independent of it and de-risk the slice's review), and both
-follow process rule (e): sabotage-verified, with the WHICH-assertion-fails
-check, both directions for dual-layer assertions.
-
-### 5.1 #318 composition test (~150–300 lines, App.Tests)
-
-Drive a real portal arrival through the canonical drive controller + the
-**REAL** `RuntimePlacementPresentationSink` + the **REAL** `PhysicsEngine`
-(fixture patterns exist: `RuntimePlacementPresentationSinkTests.cs`,
-`RuntimeFirstEntryHostIntegrationTests.cs`). The discriminating assertion:
-
-> **`PhysicsEngine.ShadowObjects` (`PhysicsEngine.cs:147`) holds a row at the
-> destination cell/position** — NEVER merely `LocalPlayerShadowState`'s dedup
-> cache. AP-145's bypass (`RuntimePlacementPresentationSink.cs:243`
-> `_localPlayerShadow.Set(...)` skipping `LocalPlayerShadowSynchronizer.SyncPose`'s
-> publish) both skips the publish AND pre-seeds `SyncPose`'s dedup — a
-> cache-only assertion is satisfied by the bug.
-
-Plus the T8 write-ordering assertion from route 3 §8. Sabotage: perturb
-`TryPublishPlace` to the cache-only shape and confirm the `ShadowObjects`
-assertion (not an incidental one) fails; separately confirm a cache-only
-assertion would pass under the same sabotage — proving the discriminator
-discriminates.
-
-**Pre-authorized red branch:** this test may legitimately FAIL at HEAD — the
-composition drives placement with no subsequent movement tick, which is
-exactly the window AP-145 says is unpublished. If red: **C5a's deletion work
-does not absorb the fix.** The seam fix (routing the placement's shadow update
-through the real publish) is a production behaviour change on a
-narrow, low-frequency path; it lands as its **own reviewed commit** together
-with the now-green test, retires **AP-145**, and closes **#318** — and the
-composition test itself is its designed gate (the C4 handoff explicitly ruled
-the connected route out as #318 coverage). If green: land as-is; #318 closes;
-AP-145's row is then re-argued (its "why not observed" column may become its
-retirement argument) — but only with the green evidence cited.
-
-### 5.2 Route-2 B2 parity test (~100–200 lines, App.Tests)
-
-The campaign plan's recorded acceptance gap (plan §C4 route 2, recorded unmet
-since 2026-08-03): an App-layer test driving an **accepted ForcePosition end
-to end** through `RuntimePlacementPresentationSink` /
-`TryApplyRuntimePlacementPlace` and asserting **the render entity's
-position/cell came from the committed placement receipt** — closing the
-"canonical body moves, render entity stays put" silent seam. Expected green
-at HEAD (route 2 landed; the seam is merely uncovered). If red, the same
-stop-and-report protocol as 5.1: a red parity test is a found defect, not a
-test problem; it gets its own investigation before any deletion lands.
-
-Sabotage: sever the receipt→render write and confirm the position/cell
-assertion is the one that fails.
-
----
-
-## 6. What must REMAIN true — the slice's invariants
-
-1. **Zero production behaviour change.** The production diff consists of:
- member deletions with zero callers (D1–D5), comment/xmldoc edits (D7, §2),
- and exactly one signature change with an untouched body (§3.5's seed
- rename). No executable production statement is added or modified —
- **except** in the pre-authorized 5.1 red-branch commit, which is its own
- reviewed landing with its own register action.
-2. **The two survivors survive.** `IsSpawnCellReady` and `AdjustPosition`
- keep their exact executable bodies and all production callers
- (`RuntimeSetPositionState.cs:2169,:4378`; `SessionPlayerComposition.cs:374`;
- `PhysicsCameraCollisionProbe.cs:38,:100`).
-3. **Every deleted symbol's absence is proven** by the compiler (all deletions
- are compile-loud) AND every test caller has an explicit §3 disposition
- executed in the same commit — no test deleted whose pinned behaviour moved
- without its re-point landing alongside.
-4. **AP-1 and AD-1 retire in the SAME commit as the D1–D5 deletions** — never
- before (the code proof is the deletion), never after (register rule 1).
-5. **The DO-NOT-TOUCH set holds:** AP-131, AD-60, AP-145 (modulo 5.1 red
- branch), AD-61/62, AP-135, AP-141–146; the #275 surface files' executable
- code; the six probe flags; the #316-preserving test pair.
-6. **No skips.** The suite ends at 0 failed with the same 4 skips as
- baseline — a new skip is a contract violation (process rule (d)).
-7. **Counts are measured and reconciled.** The final suite total will move
- (deleted legacy tests down, re-points and two parity tests up); the commit
- message reconciles the net against baseline 11,112 explicitly (N deleted,
- M added, expected total), never hand-waves it.
-
----
-
-## 7. Gates
-
-- **Complete Release suite** (`dotnet test AcDream.slnx -c Release -m:1` with
- `ACDREAM_PAK_PATH` set), baseline **11,112 passed / 4 skipped / 0 failed**
- at `392c1e22` — re-measured at slice start AND at each commit. Known flakes,
- never conflated (they have been conflated twice): **#302**
- (`PortalProjectionTests.ClipToRegion_FrameOwnedStore_…`, GC-allocation,
- App.Tests — the `WarmedSteadyContactRefreshDoesNotAllocate` look-alike is
- this class) and **#308** (`NakEmissionTests.LossSoak_…`, wall-clock,
- Core.Net.Tests, full-suite load only).
-- **NO connected gate for C5a — argued, not assumed.** Process rule (g): a
- gate must be able to see the defect it gates. C5a's reachable defect
- classes are (i) a compile break — seen by the build; (ii) silent coverage
- loss — seen only by §3's dispositions and the review, invisible to any live
- session; (iii) a behavioural regression — **structurally excluded** by
- invariant 1: the production binary's reachable code is byte-equivalent, so
- a connected session would exercise identical behaviour and measure nothing.
- Precedents: route 5 recorded "no live gate can exist" rather than inventing
- one; route 6 was a zero-production-line closure. The 5.1 red-branch commit,
- if taken, ALSO needs no connected gate: #318's evidence channel is the
- composition test **by design** — the C4 handoff explicitly refused to score
- the connected route against it.
-- **The review IS the coverage gate.** One dual review over the combined
- slice diff (deletions + dispositions + parity tests), reviewers on Opus per
- the standing audit rule, with §3's table as the review checklist: for each
- of the seven cases, the reviewer confirms the disposition was executed as
- pinned or the deviation argued.
-
----
-
-## 8. Size, commit plan, and the split call
-
-Calibration: campaign landings ran ~127 (route 7) to ~418 (route 3) to
-~500 (4b-2) production lines each under full discipline.
-
-| Piece | Production lines | Test lines | Risk |
-|---|---|---|---|
-| D1–D5+D7 deletions + §2 xmldoc | ~490 deleted, ~0 added | ~1,500–2,000 deleted/re-pointed across ~25 files | Low — compile-loud; the §3 dispositions are the judgment work |
-| §5.1 #318 composition test | 0 (green) / ~10–40 (red branch, own commit) | ~150–300 | Low; red branch is a decision point, pre-planned |
-| §5.2 route-2 B2 test | 0 | ~100–200 | Low |
-
-**Call: C5a HOLDS as one slice, in two (possibly three) ordered commits under
-this single contract:**
-
-1. **Commit 1 — the two parity tests** (test-only). Lands first: independent
- of the deletions, de-risks review, and settles 5.1's green/red question
- before the sweep. If 5.1 is red, its fix is **commit 1b** (own review
- round, retires AP-145, closes #318) before proceeding.
-2. **Commit 2 — the deletion sweep**: D1–D5, D7, §2 xmldoc, all §3
- dispositions, AP-1 + AD-1 row deletions. One diff, reviewable as one unit.
-
-The ~490-line figure is at the top of the campaign's calibration band, but a
-deletion of caller-free code is a different risk class from route 3's ~418
-changed lines — the compiler proves most of it. What justifies keeping it
-whole rather than splitting D1/D2/D3 (Core) from D4/D5 (Runtime): AP-1's
-retirement evidence spans BOTH groups ("the last resolver-shaped entry points"
-includes D4/D5), so splitting would either retire AP-1 on a half-proof or
-leave the register straddling two commits — both worse than one larger
-reviewable deletion. Do NOT fold in: #276's remainder, #317's audit, any
-probe change (including the gate-4 `cause=` label improvement — C5c), or any
-#275-adjacent edit.
-
----
-
-## 9. What moved between the scoping (`09911821`, at `52175aa1`) and this contract (`392c1e22`)
-
-1. **`AdjustPosition` is a second production survivor inside the deletion
- region** (`PhysicsCameraCollisionProbe.cs:38,:100`) — the scoping's hazard
- note named only `IsSpawnCellReady`. A region-wise delete would have taken
- the camera collision probe's cell resolver with it. §2 pins member-wise
- deletion.
-2. **#319 created a `.Resolve(` name collision**: `ParentAttachmentState.Resolve`
- (`:432`), called from two files. The scoping's census predates it. Callers
- must be typed, not counted (§3.8).
-3. **AD-60's legacy-half site moved to `RuntimeEntityObjectLifetime.cs:1926`**
- (scoping said `:1918`; the register row still says `:1338`). C5a doesn't
- touch it, but C5b's contract must cite by symbol.
-4. **Begin* wrapper census: 39 sites / 9 files** (scoping: ~40 / 10).
- Immaterial to the disposition.
-5. **The scoping's D7 path `ConstraintManager.cs` is actually
- `Motion/ConstraintManager.cs`** (`src/AcDream.Core/Physics/Motion/`).
-6. **Everything else in the scoping's §1a/§1c/§2/§3 holds exactly at
- `392c1e22`**: zero production callers re-proven for all six groups; #319
- added no caller to any deletable symbol; the #319-touched file set is
- disjoint from every deletion target; the seven dispositions carry forward
- unchanged in substance.
-7. **New since the scoping, absorbed here:** gate 4 closed 2026-08-05 as a
- probe-label artifact (`af828a8a`) — the cell-less falsification is no
- longer C5-gate-session work; and route 7's gate criterion was corrected to
- the positive child-cell-equals-parent assertion (`2687d893`), whose
- still-owed connected run belongs to the C4/#319 ledger, not to C5a.
diff --git a/docs/research/2026-08-05-c5b-contract.md b/docs/research/2026-08-05-c5b-contract.md
deleted file mode 100644
index be1d2f16..00000000
--- a/docs/research/2026-08-05-c5b-contract.md
+++ /dev/null
@@ -1,918 +0,0 @@
-# C5b — classify-before-merge on every steady-state Position (#275): pinned contract (2026-08-05)
-
-Written at HEAD `02578441` (branch `claude/acdream-physics-divergence-5aa784`;
-C5a landed at `6921a027`, #319 at `392c1e22`, AP-145/#318 at `f8e55ba5`).
-Every symbol below was re-verified **by symbol at this HEAD**, not inherited;
-§12 lists what the C5 scoping (`2026-08-05-c5-scoping.md`, written at
-`52175aa1`) got wrong. Inputs: the scoping's C5b section, register rows
-AP-131 / AD-60 / AP-130 / AP-135 / AP-146, the 4b-3 contract
-(`2026-08-04-c4-route-4b-3-contract.md` — D1 is C5b's direct ancestor), the
-C4 closeout handoff's seven process findings, the C5a contract
-(`2026-08-05-c5a-contract.md`), and issue #275.
-
-**One-paragraph verdict:** C5b is smaller than the scoping feared, because of
-a fact the scoping did not state: the merge's two flags
-(`installPlacementFrame` / `clearParent`) are a pure function of the
-**timestamp disposition** and the **hasAnimations proxy** — both available
-inside the merge itself, pre-merge, with no routing outcome and no
-`playerDistance`. Retail runs `unset_parent` and the `SetPlacementFrame` gate
-BEFORE `MoveOrTeleport` is consulted, so the flags are upstream of
-classification proper. C5b therefore needs **no route plumbing, no signature
-changes, no App→Runtime threading** — it replaces two `true` literals with a
-four-row truth table the classifier already encodes, and flips one
-`refreshPosition:` argument to `false`. The blast radius is correspondingly
-narrower than "45+ sites mis-reading a withheld wire cell", for a second
-reason the scoping missed entirely: **the merge stamp is one of THREE
-steady-state wire-cell writers, and the other two stay** (§5, W2/W3). What
-genuinely changes is the classification window, the refused-ForcePosition
-shape, and the (test-only) missile arm. The contract pins all of this.
-
----
-
-## 1. Retail ground truth — Gate A and the pre-placement sequence, verified in `acclient_2013_pseudo_c.txt`
-
-`SmartBox::HandleReceivedPosition` @0x00453FD0 (pseudo-C lines
-92896–93051). The exact order, with addresses:
-
-```
-00453fe3 objcell_id = arg3->objcell_id // wire cell read into a LOCAL
-00453ff4 Frame::operator=(&var_40, &arg3->frame) // wire frame copied into local Position var_48
-0045400c GATE A: if (arg2 == player && newer_event(player, FORCE_POSITION_TS, arg9)):
-0045402b-54 wrapped-compare update_times[4] (TELEPORT_TS) vs arg8 — the wire
- teleport stamp must NOT be OLDER (equal or newer both pass).
- CORRECTED 2026-08-05, see §15 — this line read "must NOT be
- newer" and it was backwards.
-00454056-68 get_heading / Frame::set_heading(&var_40) // preserve body heading
-00454074 SmartBox::BlipPlayer(this, &var_48)
-00454079 player->update_times[0] = arg7 // stamp POSITION_TS
-00454091 cmdinterp->SendPositionEvent()
-0045409d return // BEFORE unset_parent / SetPlacementFrame
-004540b7 if (!newer_event(arg2, POSITION_TS, arg7)) → return (the 004540e6 teleport-regression
- quirk stamps update_times[0] and returns @004540f6)
-004540f9-11e if (parented && parent->id != player_id): weenie->SetParentedState(0) notification
-00454129 CPhysicsObj::unset_parent(arg2) // UNCONDITIONAL on this path
-00454137 if (CPhysicsObj::HasAnims(arg2) == 0):
-00454142 CPhysicsObj::SetPlacementFrame(arg2, arg4, 1)
-0045414d if (arg2 != player): // REMOTE branch
-00454254 if (MoveOrTeleport(arg2, &var_48, arg8, arg5, arg6) != 0):
-00454272 ConstrainTo(arg2, &arg2->m_position, …) // post-placement anchor
-0045415f else if TELEPORT_TS newer: TeleportPlayer @00454168, ConstrainTo @0045418a
- anchored at the WIRE &var_48, set_velocity(0) @004541b4
- else: ConstrainTo @004541ec; if UsePositionFromServer && arg5: InterpolateTo @0045422c
-```
-
-Five facts decide C5b:
-
-1. **The wire cell is never written to the object.** `arg3->objcell_id` is
- read into a local @0x00453FE3 and flows only into the local `var_48`
- Position handed to `BlipPlayer` / `TeleportPlayer` / `MoveOrTeleport` /
- `ConstrainTo`. Nowhere in this function is the object's cell assigned.
- The object's `cell` changes only inside the placement family
- (`SetPositionInternal` @0x00515BD0 → `set_cell`; `enter_world`
- @0x00516310/0x00516170) or per-frame movement transit. This is the retail
- rule AD-60's executor half already encodes ("a wire position never
- directly makes the record resident").
-2. **Gate A (@0x0045400C) is decided on data that exists before any merge:**
- the entity is the player, FORCE_POSITION_TS advanced, and the wire
- TELEPORT_TS is **not older** than the stored one. It returns @0x0045409D
- **before `unset_parent` @0x00454129 and before the `SetPlacementFrame`
- gate @0x00454137** — a ForcePosition never unparents and never installs
- a placement frame. acdream's analog exists upstream:
- `PhysicsTimestampGate.TryAcceptPositionEvent:190-203` produces the
- `ForcePosition` disposition when `isLocalPlayer &&
- IsNewer(FORCE_POSITION_TS) && teleport == _timestamps[Teleport]`.
- **CORRECTED 2026-08-05 (see §15): that third term is retail's Gate A pair
- NARROWED, not matched.** Retail's test is `teleport` equal-or-newer;
- acdream's is equal only. The narrowing is filed at **AP-148 / issue
- #325**. Everything C5b decides from Gate A is unaffected — the
- disposition C5b reads is the same one it always was, and the narrowing
- makes the `ForcePosition` set strictly SMALLER, so no packet C5b's truth
- table classifies as force would have been classified otherwise.
- **A remote entity can never receive the `ForcePosition` disposition**
- (`isLocalPlayer` guard at `:190`), so the flag truth table below needs no
- entity-kind term.
-3. **The two pre-placement writes are gated on exactly two facts.**
- `unset_parent` @0x00454129 runs for every accepted non-Gate-A Position
- (including packets `MoveOrTeleport` will return 0 for — retail unparents
- BEFORE learning the routing outcome). `SetPlacementFrame` @0x00454142 is
- gated on `HasAnims(arg2) == 0` alone. **Neither gate reads the
- near/far/teleport classification** — which is why acdream's merge flags
- are a function of (disposition, hasAnimations) and nothing else.
-4. **`MoveOrTeleport` @0x00516330 reads the BODY's own state at entry:**
- TELEPORT_TS @0x00516375 and `this_1->cell == 0` @0x00516386 — the
- committed cell, read before any placement — then contact `arg4`
- @0x0051638E. Route 4b-3's D1 fed the classifier the PRE-merge committed
- cell for exactly this reason; C5b's withhold (D2) makes that pre-merge
- value structurally equal to the record's `FullCellId` in the
- classification window (§4, "strengthened invariant").
-5. **`store_position` @0x00515CE2 is `SetPositionInternal`'s no-transition
- branch** (placement ran, no walkable transition → `GotoLostCell`
- @0x00515CF2), not a `MoveOrTeleport` path. A retail placement that fails
- leaves the wire pose in `m_position` and the object HIDDEN in the lost
- cell — acdream's surviving wire-cell-on-non-commit behaviour (W2, §5) is
- the visible variant of this, already filed across AP-136/AP-138/#309.
- C5b does not re-litigate it.
-
-## 2. The two scoping-identified sites, re-verified at HEAD `02578441`
-
-### S1 — the steady-state merge's unconditional flags
-
-`InboundPhysicsStateController.TryApplyPosition`
-(`src/AcDream.Runtime/Entities/InboundPhysicsStateController.cs:610`),
-hardcoding `installPlacementFrame: true, clearParent: true` at **`:662-663`**
-(scoping exact). Production chain at HEAD, every hop verified:
-`LiveEntityNetworkUpdateController.OnPosition:1948` →
-`LiveEntityInboundAuthorityGate.TryAcceptPosition:161`
-(`src/AcDream.App/Physics/` — the scoping gave no directory) →
-`LiveEntityRuntime.TryApplyPosition:2550` →
-`RuntimeEntityObjectLifetime.TryApplyPosition:1789` (scoping said `:1781`) →
-`RuntimeEntityDirectory.TryApplyPosition:654` → the S1 overload.
-
-The route-flag-threaded sibling (`ApplyAcceptedPositionSnapshot:673`,
-flags at `:681-682`) already exists and is what the continuation executor
-uses (`RuntimeInitialCreateContinuationExecutor.cs:1983-1993`, classified
-flags at `:1991-1992`, withhold at `:1996`) — scoping §1b verified exact.
-
-**What changes semantically (not "what gets deleted"):** the merged
-snapshot's `Physics.AnimationFrame` / `PlacementId` and its
-`ParentGuid` / `ParentLocation` / `Physics.Parent` stop being
-unconditionally wire-installed / wire-cleared and start obeying retail's
-two gates:
-
-| disposition | installPlacementFrame | clearParent | classifier row (cite, don't restate) |
-|---|---|---|---|
-| `Rejected` | unread (timestamp-only path `:793-794`) | unread | — |
-| `ForcePosition` (local player only, teleport-equal) | **false** | **false** | `RuntimeAuthoritativePositionRouteClassifier.cs:311-333` (Gate A) |
-| `Apply` | **`!hasAnimations`** | **true** (unchanged) | classifier `:336-465` — every accepted non-force route carries `UnparentBeforeRouting: true, ApplyPlacementFrameBeforeRouting: !request.HasAnimations` |
-
-`hasAnimations` is the AP-130 static proxy, computed from the PRE-merge
-snapshot `old` with the identical expression
-`RuntimeAcceptedPositionRouteRequests.cs:99-101` uses
-(`old.MotionTableId ?? old.Physics?.MotionTableId) is { } id && id != 0u`).
-`WorldSession.EntitySpawn.MotionTableId` exists (`WorldSession.cs:103`); the
-inbound controller's `_snapshots[guid]` and `canonical.Snapshot` are the
-same data pre-merge, so the two computations cannot diverge.
-
-Two observability notes that decide the test plan (§8):
-
-- The `ForcePosition` placement-frame half is **inert**: for
- `disposition is not Apply`, `appliedPlacement` keeps `old.PlacementId`
- under either flag value (`:815-819`). Gate A's force half discriminates
- ONLY through parent retention (`:855-857`).
-- The `Apply` placement-frame half is live exactly when
- `hasAnimations == true`: today the wire frame (`update.PlacementId ?? 0u`)
- is stamped onto an animated entity's snapshot where retail's `HasAnims`
- gate skips `SetPlacementFrame`. That is AP-131's animation snap/reset
- half.
-
-### S2 — the wire-acceptance-derived `FullCellId` stamp
-
-`RuntimeEntityObjectLifetime.cs:1923-1926` —
-`Entities.RefreshSnapshot(canonical, snapshot, refreshPosition: acceptedPosition)`
-(argument at `:1926`, matching the C5a contract's corrected citation; the
-register's `:1338` and the scoping's `:1918` are both stale — cite by
-symbol). `refreshPosition: true` routes through
-`RuntimeEntityRecord.RefreshDerivedState:230-237` →
-`SetFullCell(position.LandblockId, …)` — the wire cell, stamped on bare
-acceptance, plus `PropagateFullCellToChildren`
-(`RuntimeEntityDirectory.cs:240-246`) when it changes.
-
-**What changes semantically:** `refreshPosition: false`. The merge stops
-being a residency writer. In the window between the merge and the OnPosition
-prologue rebucket, `canonical.FullCellId` IS the pre-merge committed cell —
-which is exactly what 4b-3's D1 threads out-of-band today
-(`timestamps.PreMergeCommittedCellId`, `:1904-1907`). Post-D2, 4b-3's
-convention becomes a structural property of the record.
-
-**The executor's analogue is unchanged and untouched**
-(`refreshPosition: false` at executor `:1996` — its CANONICAL CELL SEMANTICS
-comment at `:1966-1976` is the model for S2's new comment).
-
-## 3. Design decisions — pinned, not open for redesign
-
-### D1 — the merge flags become the classifier's truth table, computed pre-merge inside the merge
-
-In S1's `TryApplyPosition`, replace the two literals at `:662-663` with the
-table in §2-S1, computed from `disposition` and `hasAnimations(old)`. No
-signature changes; no new parameters; no route construction in the merge;
-`playerDistance` is never needed (the full route's near/far decision is
-downstream of retail's unset_parent/SetPlacementFrame order and stays
-post-merge in `ClassifyRemoteAcceptedPosition`).
-
-The post-merge classification (`LiveEntityNetworkUpdateController.cs:2167-2175`
-→ `RuntimeEntityObjectLifetime.ClassifyRemoteAcceptedPosition` →
-`RuntimeAcceptedPositionRouteRequests.Build`) is **untouched**: it computes
-the full route from the same retained inputs, so its
-`ApplyPlacementFrameBeforeRouting` / `UnparentBeforeRouting` fields equal
-the merge's flags by construction. The consistency is pinned by test (§8
-test 4), not by a shared code path — the two computations are small, pure,
-and separately sabotage-verifiable.
-
-Doc comments that must be made true in the same commit (process rule (c)):
-the `:595-608` "Round 4 R4-15 … no HasContact or route-classification
-concept" remarks; the `:657-661` "Legacy immediate-apply reproduces EXACT
-prior behavior" comment; `ApplyAcceptedPosition`'s `:772-781` two-caller
-doc; the `:809-814` PositionPack comment's "retail skips it entirely while
-HasAnimations is true" (already true — now load-bearing for BOTH callers).
-
-### D2 — the steady-state merge withholds the wire cell (`refreshPosition: false`)
-
-One argument flip at S2 plus the comment rewrite. The 4b-3 D1 comment at
-`:1894-1907` is extended, not deleted: it currently explains why the
-classifier needs the threaded pre-merge value; it must add that after this
-change the post-merge record CARRIES that same value through the
-classification window, making the threading a belt-and-suspenders duplicate
-that stays (the threaded value remains the classifier's input of record —
-process finding (b), read the observable once).
-
-**Two publish-side effects, both pinned (trap T3):**
-
-1. The merge's publish-kind ternary (`:1948`,
- `beforeCell != canonical.FullCellId ? Rebucketed : Updated`) becomes
- always-`Updated` — the merge can no longer change the cell. The
- `Rebucketed` edge for a wire-cell-changing packet moves to the prologue
- rebucket's `CommitRebucket` (`RuntimeEntityObjectLifetime.cs:1956-1987`),
- which TODAY early-outs publish-less (`previous == fullCellId` at
- `:1973` — because the merge already stamped it) and after D2 publishes.
- **Net observable: exactly one `Rebucketed` delta per cell-changing
- accepted Position — same kind, same value, same publisher, later point in
- the same call.** A test pins this at the observable (one delta, not zero,
- not two); it does not pin the source site.
-2. `PropagateFullCellToChildren` for a parent whose accepted Position
- changes its cell moves from the merge's directory wrapper
- (`RuntimeEntityDirectory.cs:240-246`) to `CommitRebucket`'s public
- `SetFullCell` (`:355`). Same packet, same value, same single propagation.
- This is the #319 child-equality channel — a directory-level test pins
- exactly one propagation per parent cell change on the steady-state path,
- for BOTH parent classes (player `0x5…` and creature `0x8…`; process rule
- from #319 — a test population that only ever sees sequence-0 parents is
- blind to the player class).
-
-### D3 — the other two wire-cell writers STAY, and the register says so
-
-The scoping's premise — withholding S2 "moves residency changes onto
-placement/simulation commits only" — is **false at HEAD** (§12 item 1).
-Two more steady-state wire-cell writers exist downstream of the merge in
-`OnPosition`, and C5b keeps both:
-
-- **W2 — the prologue rebucket** (`LiveEntityNetworkUpdateController.cs:2329`
- `RebucketLiveEntity(update.Guid, p.LandblockId)` →
- `LiveEntityRuntime.cs:935-945` → `CommitRebucket` → `SetFullCell(wire cell)`).
- Runs for EVERY classification reaching the generic tail — near, far,
- teleport, cell-less, unrouted, and every ordinary local-player Apply echo.
- Its other jobs (draw-bucket move, bucket-promotion recovery,
- `prepare_to_enter_world` clock edges) are not cell writes and are not in
- scope. **Do NOT gate W2 by classification (trap T5):** for the local
- player W2's echo-driven commit is the mechanism that advances the
- canonical cell across landblocks during ordinary movement (AP-146/#320
- machinery — the per-tick projection deliberately passes a landblock id and
- preserves the cell, `LiveEntityRuntime.cs:935-938`); gating it silently
- freezes the player's cell between teleports and #319's child equality
- inherits the freeze.
-- **W3 — the post-routing wire-cell adopt**
- (`TryAdoptWireCellAfterRouting`, `LiveEntityNetworkUpdateController.cs:1613-1624`):
- `RemoteMotion.CellId = wire` for every non-placing arm, writing through to
- `FullCellId` via `CommitCanonicalCell`. Already filed as retained
- bookkeeping under **AP-135**; the placing arms (far/teleport) are
- suppressed there because the placement receipt is the cell authority.
-
-W2/W3's population note: packets that RETURN before `:2329` never see W2 —
-the force-local path (Committed/Deferred `:2055`, Rejected/Contention
-`:2066`) and the missile arm (`:2256`). For those, post-D2 residency is
-placement-receipt-authoritative (or, on a refused/contended force,
-unchanged at the last commit — retail's shape, since retail's
-`BlipPlayer`-era body keeps its last placed cell; AD-62 already files the
-non-commit force outcomes). This is D2's genuinely new steady-state surface
-and it is **retail-correcting**, asserted by §8 test 6.
-
-### D4 — register bookkeeping, in the implementation commit
-
-- **AP-131 RETIRES** (§7 evidence). Its "legacy caller is deleted at the
- production cutover" framing is overtaken: the caller is not deleted, it is
- **corrected** — the unconditional literals are replaced by the classified
- computation. The retirement commit rewrites the row's text to past tense
- with the evidence, per register rule 1 (a deviation found without a row is
- a bug twice over; a retired divergence needs its retirement recorded,
- which the C5a/AP-1 and 4b-3/AP-137 rewrites established as the house
- style).
-- **AD-60 — legacy half RETIRES, row REWRITTEN, not deleted** (4b-3's D8
- precedent: silent whole-row deletion would hide surviving wire-cell
- channels). The rewrite keeps the executor half as the standing rule,
- records the legacy half's retirement with §7's evidence, and **names the
- surviving wire-cell channels**: W2 (prologue rebucket commit — cross-cited
- into AP-146 for the local player) and W3 (already AP-135). The row's
- surviving claim is therefore precise: "a wire Position never makes a
- record resident *inside the merge or ahead of classification*; the
- post-routing controller still adopts the wire cell for non-placement
- outcomes as the bounded-residency bridge, filed at AP-135/W2."
-- **AP-130 amendment (bookkeeping, not retirement):** its Site column names
- only the executor's `hasAnimations` local; the merge now consumes the same
- static proxy. One sentence added. The proxy itself MUST NOT be "improved"
- to a live animation-queue read in this slice (trap T7).
-- **AP-146 / #320 amendment (bookkeeping):** #320's edge list cites
- "an accepted inbound Position/ForcePosition
- (`RuntimeEntityDirectory.RefreshSnapshot` → `RuntimeEntityRecord.cs:234`)"
- as a local-player cell writer. After D2 that writer is the generic-tail
- rebucket's `CommitRebucket` (and, for ForcePosition, the placement
- receipt). Amend both in the same commit or the next reader files a
- phantom regression.
-- **AP-135 stays, its writes stay** (must-remain-true item 3).
-- **AP-1, AD-1, AP-141–AP-145, AD-61, AD-62: pinned untouchable.**
-
-## 4. What must REMAIN true (process rule — the contract causes the defect)
-
-For every path this slice touches, including every refusal and rejection:
-
-1. **Classification reads pre-merge inputs only.** 4b-3's D1 binds in full:
- `PreMergeCommittedCellId` is threaded exactly as today
- (`RuntimeEntityObjectLifetime.cs:1904-1907`), measured by the SAME
- `TryApplyPosition` call, never re-read after the merge. D2 adds the
- structural property (the record equals it in the window) but the threaded
- value stays the classifier's input of record.
-2. **The D4 constraint-arm partition (4b-3) does not move.** One
- post-operation `ConstrainTo` site, its partition table unchanged. C5b
- touches no arming code.
-3. **AP-135's bookkeeping writes stay** — the server-cell adopt
- (`RemoteMotion.CellId`) and `LastServerPos`/`LastServerPosTime` samples
- in `LiveEntityNetworkUpdateController`, on both airborne no-op
- neighbourhoods.
-4. **Dual-parent-class test discipline.** Every new test touching parent/
- child cell propagation runs a player (`0x5…`) parent AND a creature
- (`0x8…`) parent (#319's lesson; the handoff's corrected gate-2
- criterion).
-5. **The executor path is untouched** — its classified flags, its
- `refreshPosition: false`, its replay semantics
- (`ApplyAcceptedPositionExecutionRejectedSnapshot`). Do not unify the two
- merge callsites into one helper "while here" (trap T8).
-6. **The timestamp gate is untouched**; Gate A's teleport-concurrent shape
- stays upstream (`PhysicsTimestampGate.cs:190-217`; a force with a
- teleport advance falls through to `Apply`, and
- `ValidAcceptedAuthority`'s `PreviousTeleport == AcceptedTeleport` rule
- handles the classified side). **CORRECTED 2026-08-05 (§15): that
- fallthrough is not retail's shape.** Retail's Gate A accepts a force
- carrying a NEWER teleport stamp and returns before ever advancing
- TELEPORT_TS. Both acdream sites named in this item encode the narrower
- equality; both are filed at AP-148 / #325, and both stay untouched by
- C5b — closing them is its own slice with its own gate.
-7. **The OnPosition routing/arms are untouched** — generic render-pose
- gate, W2, the arm dispatch, W3, the unified tail, AP-87's catch-up,
- AP-139's landing clear, AP-140's `InContact` gates.
-8. **The local player's cell-freshness path** (echo → generic tail → W2 →
- `CommitRebucket`) is unchanged. AP-146 stays accurate after its §D4
- amendment.
-9. **The initial-residence branch of `TryApplyPosition`**
- (`:1800-1860`) is untouched — it is the executor's enqueue path, already
- classified.
-10. **`Physics.ObserveLocalWorldFrame`** keeps reading the wire landblock
- directly (`:1887-1889`); it is not a `FullCellId` consumer.
-11. **No new skip** (process rule (d)) and no test weakened to make the
- withhold pass (trap T2 — the withhold assertion lives at the merge
- boundary, never at OnPosition level, where W2 legitimately re-stamps).
-
-## 5. THE BLAST RADIUS — itemised by consumer class
-
-Premise: S2's withhold is the only residency write C5b removes; W2/W3 stay
-(D3). So the consumers that ever read a value that is intentionally NOT the
-wire cell are (a) everything in the classification window (merge →
-`:2329`), and (b) steady state after packets that return before W2 (force
-path, missile arm). Everyone else reads the same value as today. The
-#319 lesson is applied, not assumed: a stale cell is worse than a zero cell
-**for derived/presentation copies** — but `FullCellId`'s whole semantic
-post-D2 is "the last committed cell", which is retail's `this->cell`; that
-is not staleness, it is the definition. Zero would be the lie here.
-
-### Class A — placement owners (read at/after placement). Verdict: CORRECT, no gate.
-
-`RuntimeSetPositionState` (pre-flight reads `:1172-1255`, commit compares
-`:2305/:2760/:5020`, parks `:3004/:3031/:3677-3697`, `:3795/:3954`,
-`:5225/:5242`), `RuntimeRemotePlacementDriveController` (`:1053-1068` —
-verified: reads `record.FullCellId` AFTER the placement commit for the
-shadow publish; the commit just wrote it), `RuntimeAcceptedPositionDriveController`
-(receipt `resolvedCell:` reads `:914-1535`). Retail's placement reads
-`this->cell` — the committed cell, never the wire cell. These get a MORE
-honest input post-D2.
-
-### Class B — per-tick simulation. Verdict: CORRECT, no gate.
-
-`RuntimeOrdinaryPhysicsUpdater:127` (transits FROM `record.FullCellId` —
-retail's per-frame cell transit reads `this->cell`), `RuntimePhysicsState`
-(`:958`, commit `:2145-2159`), `RuntimeProjectilePhysicsUpdater`
-(`:53-293`), the free-fall sweep's `rm.CellId != 0` gate (AP-135). The
-simulation is the retail-sanctioned residency writer between packets.
-
-### Class C — classification inputs. Verdict: CORRECT — strengthened.
-
-`RuntimeAcceptedPositionRouteRequests` (`:57` route-1 overload — executor
-scope, unchanged; `:641`-family drive-controller builds for the local
-player — reads the local player's committed cell, whose freshness path is
-W2, unchanged). The remote PositionEvent build is the threaded
-`PreMergeCommittedCellId` — post-D2 the record in the window equals it
-structurally (§3 D2). 4b-3's D1 moves from convention-defended to
-structure-defended.
-
-### Class D — presentation/projection, event-time readers. Verdict: HARMLESS, with three named window sites.
-
-Event-time readers (landblock-loaded, visibility-changed, per-tick sync) run
-outside the per-packet window, and W2 keeps steady-state values identical to
-today for every generic-tail packet:
-`RuntimePlacementPresentationSink:286` (post-commit receipts),
-`LiveRenderProjectionJournal:270-271` (falls back when 0),
-`EntityEffectController:481`, `LiveStaticAnimationResidency:25`,
-`StaticLiveRootCommitter:76`, `ArchRenderScene` (`Residency.FullCellId` —
-statics), `HeadlessLocalPlayerFrameHost:87`,
-`HeadlessRuntimePlacementProjectionSink:103` (token compare),
-`RemotePhysicsUpdater:239/:294` / `LiveEntityOrdinaryPhysicsUpdater:107`
-(simulation-snapshot → `ParentCellId` sync).
-
-Named window sites (inside merge→W2, or pre-W2 returns) — verdict per site:
-
-| site | reads | verdict |
-|---|---|---|
-| `LiveEntityHydrationController:592` (`?? candidate.FullCellId` fallback) | landblock-loaded event | HARMLESS — event-time, post-W2 population; the fallback is third in a `??` chain behind projection/snapshot position |
-| `LiveEntityHydrationController:1077` (`FullCellId != 0` gate) | projection recovery inside the window | VERIFY at implementation: after D2 it reads the committed cell (correct — recovery should re-place from the last commit, not from an unplaced wire claim). Pre-D2 it could read the just-stamped wire cell; that was the AP-1-shaped read this slice exists to remove |
-| `LiveEntityRuntime:1219` / `:1564` (`token.ExactCellId` compares) | hydration/migration tokens | VERIFY: token cells are create/placement-derived, not wire-derived; the comparison against the committed cell is the intended predicate |
-| `LiveEntityPresentationController:220` (`RestoreShadow`'s `FullCellId == 0` bail) | visibility-edge restore | HARMLESS/CORRECT — a cell-less body correctly restores no shadow row; the force-path population keeps its committed cell |
-
-### Class E — residency/liveness predicates (the "45+ sites"). Verdict: HARMLESS, two CORRECT-AND-LOAD-BEARING.
-
-- `GetRootObjectClockDisposition` (`LiveEntityRuntime:2602-2617`),
- `HasSpatialRuntimeProjection` (`:3340-3345`), the ordinary-root gates
- (`:953-956`, `:3452-3455`): tick/edge-time, read the committed cell —
- retail's `this->cell != 0` predicate shape. CORRECT; unchanged in value
- for generic-tail packets (W2), changed only for refused-force (retail's
- shape).
-- `IsAffectedCollisionResident` (`RuntimeSetPositionState:3949`) and its
- `!HasCommittedParent` companion gates, the collision-retirement sweeps
- (`:3771/:3796/:3990/:4052`): event-time (landblock retirement), read the
- committed cell. CORRECT — a retirement sweep must act on where the body
- IS, not where an unplaced wire packet claimed.
-- The initial-create residence `FullCellId != 0` refusal
- (`RuntimeInitialCreateResidenceState:583`) and executor baselines
- (`:877-1182`, executor `:1836/:2484`): pending-residence records never
- take the steady-state merge branch. UNAFFECTED.
-- 4b-3's cell-less classification input: threaded pre-merge value (Class C).
-- `RuntimeEntityDirectory:492` child propagation and
- `RuntimeEntityObjectLifetime:1546-1555` parent-attach propagation:
- write-side (D2's propagation-source move, pinned in §3 D2 item 2).
-- `ProjectileController:279/:568/:930` and the missile arm: the ONLY
- population whose residency becomes exclusively placement-receipt-driven
- post-D2 (the arm returns before W2, `:2256`). Test-only today (AP-141:
- ACE never sends a missile UpdatePosition). CORRECT — retail's projectile
- cell comes from `SetPosition`, full stop.
-
-### The headline behavioural delta, stated once
-
-Post-C5b, a **refused or contended local ForcePosition** (AD-62's shapes
-(iv)-(vi)) leaves `FullCellId` at the last committed cell where today the
-merge stamps the refused packet's wire cell. Retail cannot refuse (AD-62)
-and its body keeps the last placed cell — the new shape is the
-retail-reachable one. Every other steady-state observable is either
-unchanged (W2/W3) or retail-correcting (the classification window, the
-placement-authoritative force/portal/missile arms).
-
-## 6. Proof obligations (must prove, not assume)
-
-1. **The truth table is the classifier's.** §8 test 4 drives both the merge
- and `RuntimeAuthoritativePositionRouteClassifier.ClassifyAcceptedPosition`
- (via `RuntimeAcceptedPositionRouteRequests.Build`) over the packet-shape
- matrix and asserts the merge-installed
- `AnimationFrame`/`PlacementId`/`ParentGuid`/`ParentLocation`/`Physics.Parent`
- equal what the route's flags would install. Not a restated table in the
- test body — the production classifier is the oracle (process rule (e):
- no test that re-encodes the constant under test).
-2. **The withhold is at the merge boundary.** §8 test 5 asserts at
- `RuntimeEntityObjectLifetime.TryApplyPosition` level: an accepted
- Position whose wire cell differs from the committed cell leaves
- `canonical.FullCellId == beforeCell` immediately after the call. It MUST
- NOT be asserted at `OnPosition` level — W2 legitimately commits the wire
- cell there, and an OnPosition-level assertion would fail and tempt a
- weakening (trap T2).
-3. **Publish-delta conservation.** One `Rebucketed` delta per cell-changing
- accepted Position on the steady-state path (§3 D2 item 1), and one child
- propagation per parent cell change (item 2), both asserted at the
- observable, both parent classes (must-remain-true item 4).
-4. **The refused-force shape.** A ForcePosition whose drive execution
- refuses/contends writes NO residency change anywhere (§8 test 6) —
- merge, W2 (unreached), receipt (none). This is the assertion that makes
- AD-60's retirement mean something.
-5. Sabotage-verify every new discriminating test in BOTH directions
- (process rule (e)) — the canonical half and the presentation/snapshot
- half separately, per route 7's finding.
-
-## 7. Retirement evidence — AP-131 and AD-60's legacy half (same commit as the change)
-
-**AP-131** retires because:
-
-1. The literals at `InboundPhysicsStateController.cs:662-663` no longer
- exist; the merged flags are computed by the §2-S1 truth table. A grep in
- the commit message shows no production caller passes unconditional
- `true/true` (the executor's `:1991-1992` threading is the classified
- path, already retail-exact).
-2. §8 tests 1-4 pin the new behaviour against the classifier-as-oracle,
- sabotage-verified: (a) `Apply` + animated entity → wire frame NOT
- installed (sabotage `installPlacementFrame: true` fails it); (b)
- `Apply` + non-animated → wire frame installed (sabotage `false` fails
- it); (c) `ForcePosition` + parented entity → parent fields retained
- (sabotage `clearParent: true` fails it); (d) the matrix consistency test.
-3. The row's risk column ("animated entity installs a placement frame retail
- would skip; ForcePosition unparents where Gate A never reaches
- `unset_parent`") describes code that no longer exists — the two
- production behaviours are now the classifier's own rows
- (`RuntimeAuthoritativePositionRouteClassifier.cs:311-333` and
- `:336-465`).
-
-**AD-60's legacy half** retires because:
-
-1. `RuntimeEntityObjectLifetime.cs:1926` reads `refreshPosition: false`;
- `RefreshDerivedState`'s `SetFullCell(position.LandblockId, …)` is
- unreachable from the steady-state merge.
-2. §8 tests 5-6 pin the withhold at the merge boundary and the refused-force
- shape.
-3. The row rewrite (§3 D4) names W2/W3 as the surviving, separately-filed
- wire-cell channels, so the retirement cannot be misread as "wire
- acceptance never changes residency anywhere" — it means "never inside
- the merge, never ahead of classification, never for a packet whose
- placement was declined", with the post-routing adoption for
- non-placement outcomes filed where it belongs (AP-135 / the W2 citation).
-
-## 8. Test plan
-
-Focused Runtime tests (`tests/AcDream.Runtime.Tests`), each asserting the
-layer that broke historically (merged snapshot fields, canonical cell,
-publish deltas — never source-text pins):
-
-1. `Apply`, animated remote (`MotionTableId != 0`): merged snapshot keeps
- `old.Physics.AnimationFrame` / `old.PlacementId`; pose and timestamps
- still merge. Sabotage: force `installPlacementFrame: true`.
-2. `Apply`, non-animated remote: merged snapshot installs
- `update.PlacementId ?? 0u`. Sabotage: force `installPlacementFrame: false`.
-3. `ForcePosition`, parented local player: merged snapshot retains
- `ParentGuid` / `ParentLocation` / `Physics.Parent`; heading preservation
- (`:797-807`) unchanged. Sabotage: force `clearParent: true`.
-4. Matrix consistency (proof obligation 1): {Apply, ForcePosition} ×
- {animated, not} × {parented, not} × {player `0x5…`, creature `0x8…`}
- — merge outcome == classifier route flags' outcome.
-5. Withhold at the merge boundary (proof obligation 2): wire cell ≠
- committed cell → `canonical.FullCellId` unchanged after
- `TryApplyPosition`; `Snapshot.Position` DID refresh (the pose half of
- the merge is not the withheld half); a subsequent canonical placement
- commit still changes `FullCellId`.
-6. Refused-force shape (proof obligation 4): drive a ForcePosition whose
- execution refuses (destination outside the service window) through the
- drive controller; assert no residency write from merge, receipt, or
- rebound — `FullCellId` is the pre-packet value throughout.
-7. Publish-delta conservation (proof obligation 3): one `Rebucketed` per
- cell-changing accepted Position; one child propagation per parent cell
- change; player parent AND creature parent.
-8. The existing `InboundPhysicsStateController` unit tests that assert the
- UNCONDITIONAL flags are **rewritten, never delete-only** (the scoping's
- §3 row, carried): each becomes its classified-flag counterpart.
-
-## 9. Gates
-
-- Focused tests above.
-- Complete Release suite: `$env:ACDREAM_PAK_PATH` set,
- `dotnet test AcDream.slnx -c Release -m:1`. **Re-measure the baseline; do
- not inherit.** Recorded figures: 11,112 passed / 4 skipped / 0 failed at
- `392c1e22` (C5a contract) and 11,106 at `6921a027` post-C5a (the tasking
- figure). C5b's net count moves only by test rewrites/additions; the
- commit message reconciles the net explicitly. Three known flakes, filed
- separately, never conflated, never chased: **#302**
- (`PortalProjectionTests.ClipToRegion_FrameOwnedStore_…`, App.Tests),
- **#308** (`NakEmissionTests.LossSoak_…`, Core.Net.Tests, full-suite load),
- **#321** (`DatSoundCacheTests` concurrent-decode-dedup, Core.Tests,
- full-suite load — filed 2026-08-05, deliberately separate from the other
- two; do NOT fold it in). If any appears, re-run and say which.
-- **Connected gate: YES — argued, not assumed.** The change is on the
- hottest wire path (every steady-state Position) and the campaign's
- standing discipline is a connected gate per live-path behaviour change.
- But the gate's pass evidence must be positive, because C5b's *improvement*
- is absence-of-signal (a placement frame NOT installed; an animation
- NOT popping — the #319/rule-(g) unfalsifiable-criterion trap).
- Recipe (two-client, Release, `ACDREAM_RETAIL_UI=1`,
- `ACDREAM_PROBE_REMOTE_TELEPORT=1`, pre-C5c so the probe still exists):
- 1. **Pickup-then-drop** a ground item, several times — the positive probe
- assertion: `[remote-teleport]` lines appear with `hookRan=True
- placement=Committed`, proving the pre-merge-fed cell-less/teleport
- classification still fires and commits after the merge stopped being a
- residency writer. (Gate 4's closure at `af828a8a` established this
- recipe reaches the arm; the probe label may read `teleport-ts` for the
- short-circuit reason the handoff records — that is expected, not a
- gap.)
- 2. **A walking/running creature across ≥1 landblock boundary**, observed:
- visible, smooth, correct cell, no freeze, no origin-snap — the W2
- regression watch (the one writer C5b leans on hardest).
- 3. **`@teleto`/`@teleloc` a creature** (never a player character — rule
- (g)): teleport arm unchanged, leash re-armed, no rubber-band, no
- run-in-place.
- 4. **Local `@teleto` + one portal recall**: the force/portal paths are
- now placement-authoritative for residency — arrival pose correct,
- leash armed, movement immediate.
- 5. **An animated creature idling/fighting at UpdatePosition cadence**:
- watch for NEW animation popping (regression) — recorded as an
- observation only, explicitly NOT a pass criterion (the absence of the
- OLD pop is the improvement and is test-gated, §8 test 1).
- Graceful close per the standing rule. **No new probe flag for C5b**: the
- discriminating signals are either absence-of-signal (ungateable) or
- already carried by `[remote-teleport]`; adding a seventh temporary probe
- for one session and stripping it in C5c is churn without evidence value.
-
-## 10. Size and split call
-
-Calibrated against the campaign (route 3 ~418, #319 76, 4b-3 ~250-700):
-
-| piece | production lines | test lines |
-|---|---|---|
-| D1 truth table + comment rewrites | ~25-40 | ~200-350 (matrix + rewrites) |
-| D2 withhold + comment + publish-edge pins | ~15-25 | ~100-250 |
-| Register rewrites + #320/AP-130 amendments | 0 (docs) | 0 |
-
-**Total ~40-65 production, ~300-600 test** — well under the ~500-line split
-threshold, and dramatically under the scoping's ~150-400 estimate, because
-the scoping assumed route plumbing (it did not see that the flags are
-disposition-determined; §12 item 2). **One landing.** If the test rewrite
-balloons past ~600 lines, the split line falls between D1's flag tests and
-D2's withhold tests — but the PRODUCTION change lands atomically: D1+D2 in
-one commit is one coherent behaviour (classify-then-merge); a half-flipped
-intermediate (classified flags with the wire stamp, or vice versa) is
-exactly the mixed-residency state this campaign keeps paying for.
-
-Single implementer, dual reviews (retail-conformance + architecture) per
-the campaign's discipline, both re-run on the final diff.
-
-## 11. Traps (routes 6/7 style)
-
-- **T1 — reading `hasAnimations` post-merge.** Compute from `old` (the
- pre-merge snapshot) inside `TryApplyPosition`. For Position packets the
- merge cannot change `MotionTableId`, so the failure mode is latent, not
- live — pin the discipline anyway, because the NEXT field added to this
- computation may not share the property.
-- **T2 — the withhold assertion at the wrong boundary.** W2 re-stamps the
- wire cell at `:2329` for every generic-tail packet, BY DESIGN. A test
- asserting "FullCellId unchanged after OnPosition" fails and invites a
- weakening or a W2 gate. The assertion lives at
- `RuntimeEntityObjectLifetime.TryApplyPosition` (§8 test 5). This is the
- slice's "weaken a test to make the withhold pass" trap.
-- **T3 — the moved publish edges.** `Rebucketed` moves from the merge's
- ternary to `CommitRebucket`; child propagation moves with it. Pin the
- observable (counts), never the source site; do not delete the coverage
- when the old assertion site goes quiet.
-- **T4 — the ForcePosition placement-frame half is inert**
- (`appliedPlacement` keeps `old.PlacementId` under either flag). The
- force-half discriminating assertion is PARENT RETENTION. Sabotaging the
- placement frame on a ForcePosition proves nothing.
-- **T5 — do not gate W2 "for symmetry".** The local player's canonical cell
- freshness runs THROUGH W2 (echo → generic tail → `CommitRebucket`;
- AP-146/#320). Gating it freezes the player's cell between teleports and
- #319's child equality inherits the freeze. W2 is also the far arm's
- destination-streaming nudge.
-- **T6 — the missile arm returns before W2** (`:2256`). Post-D2 its
- residency is placement-receipt-only; fixtures driving refused/deferred
- missile placements must not assert wire-cell residency.
-- **T7 — do not "improve" `hasAnimations`** to a live animation-queue read.
- AP-130 files the static proxy deliberately; the merge consumes the same
- proxy and the row is amended, not escalated.
-- **T8 — no while-here unification** of the two merge callsites, the
- executor's replay merge, or the timestamp gate.
-- **T9 — flake discipline.** #302/#308/#321 are three separate filed
- flakes; a full-suite red in any of them is re-run and named, never folded
- into "the flake class" and never masked (#321's filing note: no retry, no
- Skip, no delay).
-
-## 12. Scoping claims found wrong or stale at HEAD `02578441`
-
-1. **The scoping's core premise for the withhold is false.** §2: withholding
- S2 "moves residency changes onto placement/simulation commits only — the
- retail rule". At HEAD the steady-state path has TWO MORE wire-cell
- writers downstream of the merge (W2 `LiveEntityNetworkUpdateController.cs:2329`
- → `CommitRebucket`; W3 `TryAdoptWireCellAfterRouting:1613`), and C5b
- keeps both (§3 D3). The retirement must be scoped to the merge boundary
- and the survivors named in the register rewrite, or AD-60's retirement is
- a shell game. This is the contract's load-bearing correction.
-2. **The size estimate over-counts.** Scoping §7: "~150-400 changed on the
- hottest inbound path". The flags are disposition+hasAnimations-determined
- (§2-S1 truth table; retail runs both gates BEFORE the `MoveOrTeleport`
- branch decision) — no route construction, no `playerDistance` threading,
- no signature changes. Re-estimate: ~40-65 production lines (§10).
-3. **Stale line citations (all re-verified):** `TryApplyPosition` at
- `RuntimeEntityObjectLifetime.cs:1789` (scoping `:1781`); the threaded
- overload's signature at `InboundPhysicsStateController.cs:673` (scoping
- `:681` — that is its flags parameter line); S2's call at
- `RuntimeEntityObjectLifetime.cs:1923-1926` (C5a's `:1926` correct; the
- register's `:1338` still stale); `LiveEntityInboundAuthorityGate` lives
- under `src/AcDream.App/Physics/` (scoping gave no directory; `:161`
- exact). Everything else in scoping §1b/§2 holds.
-4. **#320's edge list goes stale the day D2 lands** — its "accepted inbound
- Position (`RefreshSnapshot` → `RuntimeEntityRecord.cs:234`)" writer
- becomes the generic-tail rebucket's `CommitRebucket`. Amendment mandated
- in the implementation commit (§3 D4), or the next reader files a phantom
- regression.
-5. **The scoping's §5 cell-less falsification session is overtaken:** gate 4
- CLOSED at `af828a8a` (the `cause=cellless` label was a probe-artifact —
- the pickup-then-drop recipe exercised the arm all along). C5b does not
- inherit that investigation; its connected gate reuses the same recipe as
- positive evidence (§9). Route-7 thickening and #316's measurement are
- C5c-ledger items, not C5b design inputs — the implementation session
- checks the ledger for their status before starting, and does not block on
- them.
-
-## 13. What C5b does NOT do
-
-- Does NOT wire the continuation executor into the steady-state path
- (#275's alternative branch — the issue's "or delete it with the route";
- the steady-state merge stays a live, now-classified, production caller).
-- Does NOT gate, move, or delete W2/W3 (§3 D3).
-- Does NOT touch the OnPosition routing, arms, constraint partition,
- generic render-pose gate, or interpolation machinery.
-- Does NOT touch the timestamp gate, the executor, the initial-residence
- branch, or the projectile arm's routing.
-- Does NOT strip any probe (C5c), fix #316/#317/#320, or re-open AP-145's
- seam.
-- Does NOT add a live animation-queue read (AP-130 stands).
-
----
-
-## 14. Implementation outcome (appended at landing, 2026-08-05)
-
-Both design decisions landed exactly as pinned: `installPlacementFrame:
-!force && !hasAnimations, clearParent: !force` at the S1 call site, and
-`refreshPosition: false` at S2. No signature changed, no route was plumbed,
-`playerDistance` was never needed, W2/W3 were not touched. The production
-diff is 129 insertions / 38 deletions across two files, of which the
-BEHAVIOUR is **seven lines** — four computing `force`/`hasAnimations`, two
-flag arguments, one `refreshPosition` argument. Everything else in that
-delta is the §3-D1 mandated comment rewrites. Well inside §10's ~40-65
-estimate; the estimate itself was counting comments.
-
-**§5's blast-radius survey missed three consumer sites.** All three are
-D2-caused, all three were found by the test suite rather than by reading, and
-all three turned out to be the intended semantics rather than regressions —
-but the survey did not enumerate them, so they are recorded here:
-
-1. **`DatLiveEntityProjectionMaterializer`'s self-projection branch**
- (`src/AcDream.App/Rendering/DatLiveEntityProjectionMaterializer.cs`, the
- `residence is AwaitRuntimePlacement && expectedCanonical.FullCellId != 0u
- && !HasActiveInitialCreateResidence` gate). This is a Class-D window site:
- it runs inside `OnPosition`'s prologue recovery (`:1973` /
- `:2089`/`:2102`), ahead of W2. Pre-D2 it read the just-merged wire cell and
- installed the spatial bucket there; post-D2 it reads 0 for a
- withdrawn/inventory-only record and correctly declines to project from an
- unplaced wire claim. Production still installs the bucket in the SAME
- `OnPosition` call, at W2 (`:2329`) — verified by reading every `return`
- between the recovery call and W2: none is conditioned on
- `IsSpatiallyProjected` or `FullCellId`. Two
- `LiveEntityHydrationControllerTests` cases asserted the bucket at the
- recovery boundary and were extended to drive the production W2 step; this
- is the same shape as trap T2, one layer up.
-2. **`ProjectileController.SyncPresentationFromResolvedBody`**
- (`entity.ParentCellId = record.FullCellId`). Trap T6 named the missile
- arm's residency but not this presentation writer. On a REFUSED missile
- placement the entity's pose still moves to the destination (acdream's
- `StoreAcceptedDestinationPose` fallback) while `ParentCellId` now stays at
- the committed source cell. The MAJOR-1 invariant the covering test exists
- to protect (`ParentCellId == record.FullCellId != body.CellPosition
- .ObjCellId`) is unchanged and is now asserted as that identity rather than
- as a wire-cell constant.
-3. **The `Rebucketed` publish edge does NOT always move to `CommitRebucket`.**
- §3 D2 item 1 says the merge's ternary "becomes always-`Updated`". It does
- not, and the ternary is deliberately kept: the `Physics.SetPosition.Forget
- (canonical, restoreCancelledPark: true)` call a few statements earlier can
- roll a wakeable lost-cell park back, and `RestoreParkWithdrawal` restores
- canonical residency at the body's committed cell. That is a real cell edge
- produced inside `TryApplyPosition` by a placement owner and must still
- publish as `Rebucketed`. Collapsing the ternary would have silently
- downgraded it.
-
-**One §5 verdict was checked and stands:** `LiveEntityHydrationController
-:1077`'s `FullCellId != 0` gate is unreachable from this change — it sits
-inside the `canonicalSpawn.Position is null` branch, and a merged
-steady-state Position always carries one.
-
-**Not done, deliberately:** no automated OnPosition-level test drives the
-full pickup→drop→reproject sequence (no such fixture exists; the collapse
-matrix fixture does not cover pickup). The claim that production reprojects a
-dropped item at W2 rests on the code reading above plus the two hydration
-tests now driving recovery-then-W2 in production order. §9's connected gate
-recipe item 1 (pickup-then-drop, several times) is the positive evidence for
-it and has not been run.
-
----
-
-## 15. Corrections and hazards found at the C5b closeout (2026-08-05)
-
-Both C5b re-reviews (retail-conformance and architecture) returned PASS on
-`02578441..ff100cf3`. This section carries what they left behind, plus one
-correction neither of them made and both of them missed twice.
-
-### 15.1 §1's Gate A teleport test was WRONG on primary source
-
-This document's §1 stated retail's Gate A teleport term two ways, and both
-were wrong: the trace line read "teleport must NOT be newer", and fact 2
-read "TELEPORT_TS equal". It then blessed acdream's
-`teleport == _timestamps[Teleport]` (`PhysicsTimestampGate.cs:199`) as
-"retail's Gate A pair, verified at HEAD".
-
-**Verified against the PDB-paired binary** (`acclient.exe` v11.4186,
-CodeView GUID `9e847e2f-777c-4bd9-886c-22256bb87f32`, `check_exe_pdb.py`
-reports MATCH), disassembled with capstone at
-`SmartBox::HandleReceivedPosition` 0x0045402B–0x00454054:
-
-```
-00453fff mov esi, [esp+0x68] ; arg2 (the object)
-00454003 cmp esi, ecx ; == this->player ?
-00454005 mov ebx, [esp+0x80] ; ebx = arg8 = WIRE teleport stamp
-0045401c call 0x451b10 ; newer_event(player, 6=FORCE_POSITION_TS, arg9)
-0045402b mov bp, word [ecx+0x16c] ; bp = player->update_times[4] == TELEPORT_TS
- ; (base 0x164, 2 bytes/entry -> index 4)
-00454032 movzx edx, bx ; wire
-00454035 movzx eax, bp ; stored
-00454038 sub eax, edx / cdq / xor eax,edx / sub eax,edx ; abs(stored - wire)
-0045403f cmp eax, 0x7fff
-00454044 jg 0x45404b ; far apart -> wrapped compare
-00454046 cmp bx, bp ; unwrapped: CF <=> wire < stored
-00454049 jmp 0x45404e
-0045404b cmp bp, bx ; wrapped: CF <=> stored < wire
-0045404e sbb eax, eax / neg eax ; eax = CF
-00454052 test eax, eax
-00454054 jne 0x4540a0 ; CF set (wire strictly OLDER) -> SKIP Gate A
-```
-
-The shortcut is taken **iff the wire teleport stamp is equal or newer**
-(wrap-safe) — "not older". It is `CPhysicsObj::newer_event` @0x00451B10's
-identical idiom with the two compare operands swapped: `newer_event`'s
-unwrapped compare is `cmp si(stored), di(incoming)` and returns 1 on CF,
-i.e. "incoming is newer"; Gate A's is `cmp bx(wire), bp(stored)` and skips
-on CF, i.e. "wire is older". `acclient.h:6090` confirms
-`update_times[4] == TELEPORT_TS`, and 0x00454084's
-`mov word [edx+0x164], ax` confirms the array base via the POSITION_TS
-stamp.
-
-**Why two review rounds missed it.** Binary Ninja drops the flag test and
-renders the whole sequence as `if (-((eax_7 - eax_7)) == 0)` — vacuously
-true. Reading the pseudo-C, at any level of care, cannot recover this.
-Reading the bytes takes five minutes. This is the same class as the PE
-byte-decode finding in `claude-memory/reference_pe_byte_decode.md`: when a
-decomp renders a comparison as a tautology, that is a decompiler artifact
-signature, not a retail fact.
-
-**Consequence.** acdream's `ForcePosition` disposition is a strict SUBSET
-of retail's Gate A set. Filed as **AP-148** with issue **#325**. Not fixed
-here: see the AP row and the issue for why it is not a one-line comparison
-swap.
-
-**C5b's own effect on this row is marginally POSITIVE, not negative.**
-`clearParent` was unconditionally `true` before C5b and is `!force` after —
-unchanged for the misrouted `Apply`. `installPlacementFrame` went
-unconditional `true` → `!force && !hasAnimations`, i.e. toward retail's
-"Gate A never reaches `SetPlacementFrame`" for the animated half. C5b
-neither introduced nor widened the narrowing; it narrowed the damage.
-
-### 15.2 The no-window route had no pre-merge payload validation
-
-Retail finding F2 / architecture finding L-A, found independently by both
-re-reviewers. Fixed in the closeout commit rather than documented: the
-no-window route (`RuntimeLiveEntitySessionController.OnPositionUpdated`)
-now applies the same predicate at the same point as the graphical route's
-`payloadIsValid` gate. See AD-64 and the method's own comment. The choice
-was the root fix rather than a documented asymmetry because the fix is five
-lines, reuses an existing Runtime predicate verbatim
-(`RuntimeAuthoritativePositionRouteClassifier.IsValidCreateWirePosition`
-plus the finite-velocity term — the exact pair
-`RuntimeEntityObjectLifetime.TryApplyPosition` already applies on its
-initial-residence branch), and leaving it would have left two written
-claims falsified by the code (the `TryCommitAcceptedWireCell` doc's "under
-the same reachability rules the graphical `OnPosition` route applies" and
-AD-64's "whose gates were derived from those returns one by one").
-
-**It is a behaviour change, and its blast radius is bounded by argument,
-not by a gate.** Headless now drops packets it previously merged. Against
-ACE the set is empty: ACE resolves cell 0 at `Position` construction and
-never serializes a NaN/Inf frame, and `PositionPack` writes a real
-`ObjCellId`. The shape is unreachable in the same way it has always been
-unreachable for the graphical host, which has carried this gate since it
-was written. Two test fixtures did carry illegal cell ids (low word `0x41`
-and `0x51`, both above `LandDefs.CellLowInRange`'s `0x40` landcell
-ceiling); their constants were corrected, their assertions were not.
-
-### 15.3 BISECT HAZARD — `735f0a72..23aa62f2` contain a live headless defect
-
-**A `git bisect` that lands anywhere in this range will hit a real,
-unrelated defect.** `735f0a72` (the C5b implementation) made the
-steady-state Position merge withhold the wire cell, and the replacement
-writer it relied on — the `OnPosition` prologue rebucket — lives in
-`AcDream.App`. The no-window host has no analogue, so across that range
-**every remote entity's `FullCellId` is frozen at its placement value for
-the whole session** in `AcDream.Headless`, and the local player loses one
-of AP-146's three cell-refresh edges. Nothing throws and no test in that
-range fails; a bot's `RuntimeEntitySnapshot.CellId` simply stops advancing,
-and `RuntimeSetPositionState.IsAffectedCollisionResident` parks bodies
-against a landblock they have left.
-
-Fixed at `ff100cf3` (the D1 fix). The range is three commits:
-`735f0a72`, `ed806997`, `23aa62f2`.
-
-If you are bisecting a headless cell/residency symptom, treat any `bad`
-verdict inside that range as suspect and re-test with `ff100cf3`'s
-`RuntimeLiveEntitySessionController.TryCommitAcceptedWireCell` cherry-picked
-on top. Structural cause: issue **#324** (two parallel, non-shared inbound
-routes); residual duplication: **AD-64**.
diff --git a/docs/research/2026-08-05-issue-319-architecture-review-round2.md b/docs/research/2026-08-05-issue-319-architecture-review-round2.md
deleted file mode 100644
index 7e42db50..00000000
--- a/docs/research/2026-08-05-issue-319-architecture-review-round2.md
+++ /dev/null
@@ -1,287 +0,0 @@
-# Issue #319 — architecture / adversarial review, ROUND 2 (delta) — 2026-08-05
-
-**Verdict: FAIL — one blocking finding, a one-line test change.**
-
-Round 1: [`2026-08-05-issue-319-architecture-review.md`](2026-08-05-issue-319-architecture-review.md).
-
-**Every production concern from round 1 is closed, and I verified each by
-reading the code rather than accepting the summary.** The A1 ordering fix is
-correct on both hosts, the A6 deletion argument is provable and all three of
-its links check out, and A2/A3/A5 are gone by deletion rather than relocated.
-The single blocker is evidentiary: the new test that exists specifically to
-guard the A1 ordering property has three headline assertions that are
-**vacuous in its own fixture**, so the guard against the exact regression it
-was written for is one incidental assertion. That is fixable by changing one
-constant.
-
-Verification performed for this round:
-
-- `dotnet build -c Release` — succeeded, 0 warnings, 0 errors.
-- `AcDream.Runtime.Tests` (`ParentAttachmentStateTests`,
- `RuntimeEntityChildCellPropagationTests`) — **38/38** (was 32).
-- `AcDream.App.Tests` (`EquippedChildProjectionWithdrawalTests`,
- `LiveEntityHydrationControllerTests`, `LiveEntityPresentationControllerTests`,
- `LiveEntityRuntimeTests`) — **208/208** (was 206).
-- Production delta measured independently: **76 non-comment lines added, 13
- removed** — matches the stated 76/13, down from 91/24.
-
----
-
-## B1 — MAJOR, BLOCKING — `PrepareAndTryRealize_MismatchedIncarnation_RefusesBeforeCanonicalCommit`'s three canonical assertions cannot fail, in either ordering
-
-**`tests/AcDream.App.Tests/Rendering/EquippedChildProjectionWithdrawalTests.cs`**,
-the new A1 test.
-
-The test injects `wrongRelation` with `ChildPositionSequence: 1` against a
-child created by `fixture.RegisterOnly(childGuid, generation: 1, hasPosition: true)`.
-That helper builds the spawn from `ControllerFixture.SpawnData`, which sets
-`Timestamps.Position: 0` and never sets the top-level `PositionSequence`
-(`WorldSession.EntitySpawn`'s `ushort PositionSequence = 0` default,
-`WorldSession.cs:163`). Unlike its sibling
-`NoPositionCreateParent_CommitsAfterParentPartArrayValidation`, this test does
-**not** call `TryApplyCreateParent`/`TryApplyParent` first, so nothing ever
-advances the child's POSITION_TS.
-
-The canonical half is
-`CommitStagedParent` → `RuntimeEntityObjectLifetime.TryCommitParent:1406-1412`
-→ `InboundPhysicsStateController.TryCommitParent:299-312`, whose gate is:
-
-```csharp
-if (!TryGet(childGuid, out gate, out child)
- || gate.PositionTimestamp != positionSequence // 0 != 1
- || child.PositionSequence != positionSequence) // 0 != 1
-{ accepted = default; return false; }
-```
-
-`positionSequence` is `relation.ChildPositionSequence` = 1; both gate values
-are 0. **The canonical commit refuses on POSITION_TS before the incarnation is
-ever consulted — in either ordering.**
-
-**Consequence.** Revert the fix (put `CanCommitIncarnation` back after
-`CommitStagedParent`, or delete it entirely) and trace the test:
-
-| assertion | reverted-order outcome |
-|---|---|
-| `Assert.Null(snapshot.ParentGuid)` | **still passes** — `TryCommitParent` refused, snapshot untouched |
-| `Assert.NotNull(snapshot.Position)` | **still passes** — same reason |
-| `Assert.False(TryGetCommittedParent(...))` | **still passes** — `CommitProjection` never reached |
-| `Assert.False(TryGetStagedProjection(...))` | fails — `return default` leaves the relation staged |
-
-So the test does fail under sabotage — the letter of "every new test must fail
-against broken behaviour" is met — but it fails on the *stranding* assertion,
-not the *tearing* one. The claim relayed to me ("asserts the child's snapshot
-stays un-parented; sabotage-verified by reverting the order") is literally true
-and materially misleading: the snapshot assertions never execute against a live
-canonical commit, so they assert nothing.
-
-**Why this blocks rather than being cosmetic.** The regression this guard
-exists to catch is "someone lets the canonical half run before the incarnation
-check." A plausible future variant — moving the check back inside
-`CommitProjection` while *also* calling `RejectProjection` on refusal — would
-re-tear the transaction and **pass this test on all four assertions**. The
-guard does not cover its own finding.
-
-**Fix (one line).** Change `wrongRelation`'s `ChildPositionSequence: 1` to `0`
-so it matches the fixture's gate. Then under a reverted ordering
-`TryCommitParent` succeeds, nulls `snapshot.Position`, writes `ParentGuid`, and
-all three canonical assertions bite — while the fixed code still refuses at
-`CanCommitIncarnation` (which reads only the parent incarnation and is
-independent of POSITION_TS) and `ValidateParentProjection` still returns
-`Ready`. Re-run the sabotage and confirm the failure message names one of the
-three snapshot assertions, not the staged-projection one.
-
----
-
-## What I verified as CLOSED
-
-### A1 — ordering fix: torn-transaction window genuinely closed on both hosts ✓
-
-- `ParentAttachmentState.CanCommitIncarnation:589-605` is genuinely pure: it
- reads `resolveParentInstance` and writes only stderr. No table is touched.
-- **Graphical** (`EquippedChildRenderController.cs:974-989`): the pre-check runs
- before `CommitStagedParent`, refuses via `RejectProjection`, and returns
- `CanAdvanceWireQueue: true`. Correct on three counts I checked separately:
- (i) no canonical mutation precedes it; (ii) `RejectProjection` clears
- `_stagedByChild`, so `Resolve`'s early return (`:457-458`) is unblocked —
- the round-1 "stranded forever" outcome is gone; (iii) `CanAdvanceWireQueue: true`
- lets `ResolveAndTryRealize`'s `while (true)` loop continue, and it still
- terminates, because each iteration either breaks or consumes one relation from
- the finite `_unresolvedByChild` queue, and `Resolve` can only re-stage on
- exact incarnation equality — which is precisely the condition
- `CanCommitIncarnation` accepts.
-- **Headless** (`RuntimeLiveEntitySessionController.cs:408-417`): same
- pre-check, before `TryCommitParent`, with `RejectProjection` + `return false`.
-- `CommitProjection` now returns `false` instead of throwing, and its internal
- check (`:628-629`) sits after the `_stagedByChild` lookup but before
- `RemoveCommittedChild`/`_lastAcceptedByChild`, so it mutates nothing before
- refusing.
-- The residual window I looked for does not exist: between the pre-check and
- `CommitProjection`, the only mutation is `TryCommitParent` writing the
- **child's** snapshot; the parent's `_snapshots` entry — the tripwire's input —
- is untouched, so the two reads cannot disagree.
-
-Route 3's N3 principle is now honoured: the condition is refused loudly and
-recoverably, never fatally.
-
-### A6 — the deletion argument: all three links independently verified ✓
-
-This was the justification for deleting rather than fixing, so I checked it
-rather than accepting it.
-
-1. **`RegisterEntityCore` defers the whole CreateObject.**
- `RuntimeEntityObjectLifetime.cs:795-812`:
- `uint parentGuid = incoming.ParentGuid ?? incoming.Physics?.Parent?.Guid ?? 0u;`
- then `if (beginInitialResidence && parentGuid != 0u && !Entities.TryGetActive(parentGuid, out _))`
- → `EnqueueDeferredCreate` + `DeferredForParent: true`. Confirmed this is the
- **earliest** branch in the method that can admit a create — it precedes
- `PreviewCreateDisposition` (`:818`), the pending-residence early return, and
- `AcceptCreate` (`:866-868`).
-2. **`beginInitialResidence` is true for every graphical-host CreateObject.**
- `LiveEntityRuntime.cs:583` is the sole App registration entry and uses
- `RegisterEntityWithInitialResidence`. The three internal replay/drain sites
- (`RuntimeEntityObjectLifetime.cs:234`, `:317`, `:400`) also use it, so the
- gate re-applies on deferred-create replay rather than being bypassed by it.
-3. **`CreateParentUpdate` cannot precede the gate.** It exists only inside
- `InboundCreateResult.SameGenerationEvents`, produced by
- `BuildSameGenerationEvents` in `InboundPhysicsStateController.AcceptCreate`
- (`:87`) / `AcceptCreateDeferredSameGeneration`, both called at
- `RuntimeEntityObjectLifetime.cs:866-868` — after the gate. I traced every
- consumer and all three originate there:
- `LiveEntityHydrationController.cs:340` (`result.SameGenerationEvents`),
- `LiveEntityNetworkUpdateController.cs:400-401` (via
- `ApplySameGeneration`/`LiveEntitySameGenerationUpdateRouter`), and
- `RuntimeEntityObjectLifetime.cs:2544` (`AdmitSameGenerationCreate`, also
- post-gate).
-
-**The chain holds.** `AcceptLateBoundCreateObjectRelation`'s `else` branch is
-structurally unreachable for both producers, and the deletion removes no real
-path.
-
-### A2 / A3 / A5 — gone by deletion, not relocated ✓
-
-Repo-wide grep for `DeferCreateObjectRelation`, `LateBindParentInstance`, and
-`lateBind` returns **zero** hits in `src/` and `tests/` (only unrelated
-`InteractionUiLateBindings` matches). `ParentAttachmentState.Resolve` is
-byte-identical to HEAD — the diff touches only `CanCommitIncarnation` and
-`CommitProjection`, and `ParentAttachmentRelation` gains no field. So:
-
-- **A2** (missing child POSITION_TS gate on a relation that skipped `accept`) —
- no relation skips `accept` any more; `Resolve`'s single path is the original
- ParentEvent one.
-- **A3** (placeholder `ParentInstanceSequence = 0` misread by
- `FilterParentCandidates`) — no relation is enqueued with a placeholder; the
- only unresolved-queue writer is the pre-existing `Enqueue`.
-- **A5** (unbounded accumulation of deferred CreateObject relations) — that
- population no longer exists. The surviving `_unresolvedByChild` accumulation
- question is pre-existing ParentEvent behaviour, untouched by this fix.
-
-The replacement — a loud stderr line with **no state mutation** — is the right
-trade: if the upstream invariant ever breaks, the failure mode is a
-non-attached (cell-less, position-less) child plus a log line, not a resurrected
-cross-generation relation.
-
-### Test 9 — covers the shapes I named ✓
-
-Three dual-class tests in `ParentAttachmentStateTests`. Checked against the A2/A5
-shapes specifically:
-
-- `LedgerConvergence_ChildRemoval_ZeroesEveryTable` asserts all four counters
- (`CommittedRelationCount`, `RecoveryRelationCount`, `StagedRelationCount`,
- `UnresolvedRelationCount`) **plus** the `_committedChildrenByParent` reverse
- index via `ChildrenAttachedToParent` — that reverse index is the table
- round 1's stranding scenarios would have leaked into, and asserting it
- separately from `HasCommittedParent` is the right call.
-- `LedgerConvergence_ParentRemoval_ZeroesEveryTable` covers `RemoveObject`'s
- parent-reference sweep — the A2 "relation outlives its parent" half.
-- `LedgerConvergence_Teardown_ZeroesEveryTableWithMixedPendingState` holds a
- committed child and an unresolved ParentEvent simultaneously before `Clear()`
- — the A5 mixed-state shape.
-
-Each fails against broken behaviour non-vacuously (they establish nonzero
-counts before the removal and assert zero after, so a no-op removal fails).
-
-### A4 — sufficient ✓
-
-The `RestoreShadow` comment now states the correction plainly (route 7's D1
-already gives creature-parented children a nonzero cell, so the clause **is** a
-live behaviour change for that class), and contract §7 Half B now carries the
-explicit watch instruction (`:549`, `:554`). Given the population is bounded by
-`ShadowObjectRegistry.UpdatePosition`'s unregistered-entity no-op
-(`ShadowObjectRegistry.cs:696-697`), naming it in the connected gate is the
-right resolution — a synthetic test cannot settle it, and the gate is where it
-gets observed.
-
-### A8 — confirmed non-blocking ✓
-
-`AcceptCreateObjectRelation` remains public with an optional resolver. With A1's
-pre-check now at both production sites, a future producer regression is caught
-before any mutation, so the cost of tightening the API is not worth the ~12
-test call sites.
-
----
-
-## Non-blocking observations
-
-**B2 — LOW — the gate and the producer test different oracles.** The upstream
-gate (`RuntimeEntityObjectLifetime.cs:797`) uses `Entities.TryGetActive`
-(active-record table); `AcceptLateBoundCreateObjectRelation` uses
-`_liveEntities.TryGetSnapshot` (the `InboundPhysicsStateController._snapshots`
-map). Active ⇒ snapshot holds because `AddActive` is fed from the snapshot
-`AcceptCreate` wrote, but there is a narrow inversion inside `TryDeleteEntity`:
-`TryDelete` removes `_snapshots[guid]` (`InboundPhysicsStateController.cs:101-102`)
-several statements before `RemoveActive` (`RuntimeEntityObjectLifetime.cs:~2094`).
-Reaching the `else` branch through it would need a re-entrant child CreateObject
-inside that window — not reachable from a single-threaded pump. Worth one
-sentence in the remark, since the remark's argument is phrased in the gate's
-predicate but enforced with a different one.
-
-**B3 — LOW — the structural invariant is host-scoped and the remark does not
-say so.** `RuntimeLiveEntitySessionController.cs:144` calls
-`Entities.RegisterEntity` (`beginInitialResidence: false`) when
-`_worldProjection is null`, which bypasses the parent-deferral gate entirely.
-That host has no `EquippedChildRenderController`, so the producer is
-unreachable there — but the remark reads as an unconditional claim. One clause
-("in the graphical host; the content-less direct host has no CreateObject-carried
-relation producer at all") would make it audit-proof.
-
-**B4 — INFO — the refusal is unconditionally destructive.** `RejectProjection`
-discards the relation, where `Resolve`'s equivalent staleness rule
-(`ParentAttachmentState.cs:484-498`) is conditional: a relation naming a
-*newer*-than-live parent generation is retained until that generation arrives.
-Unreachable today, because a staged relation can only have been staged on exact
-equality — but if the staging rules ever loosen, discard is the wrong arm for
-the packet-ahead case.
-
-**B5 — INFO — `CommitProjection`'s XML doc slightly overclaims.** "non-tearing
-on its own terms for ANY caller" is true of *this method's* tables, not of a
-caller's canonical state: a caller that commits canonically first and then calls
-`CommitProjection` still tears when the internal check refuses. That is exactly
-the shape A1 removed, and both production sites now pre-check, so the guard is
-genuine belt-and-braces — the sentence just shouldn't imply it protects callers
-who get the ordering wrong.
-
-**B6 — LOW — unbounded stderr on a per-packet path.** Both new
-`Console.Error.WriteLine` sites (`AcceptLateBoundCreateObjectRelation`'s `else`,
-`CanCommitIncarnation`'s refusal) log unconditionally. If the invariant ever
-breaks for a repeating producer, this spams once per packet. A log-once-per-guid
-latch would suit the "should be structurally unreachable — investigate if seen"
-framing better.
-
-**B7 — INFO — test 9's scope.** The three tests exercise `RemoveChild`,
-`RemoveObject`, and `Clear` — not `DeleteGeneration`/`EndGeneration`, the two
-paths carrying the `WaitOwner is Parent` retention rule
-(`ParentAttachmentState.cs:819-821`, `:844-846`). That rule is pre-existing and
-unchanged by this fix, so it is legitimately out of scope; the ledger claim
-simply should not be read as covering generation boundaries.
-
----
-
-## What a PASS needs
-
-**One change:** `ChildPositionSequence: 1` → `0` in
-`PrepareAndTryRealize_MismatchedIncarnation_RefusesBeforeCanonicalCommit`'s
-`wrongRelation`, then re-run the ordering sabotage and confirm the failure names
-a snapshot assertion rather than the staged-projection one.
-
-Everything else in this round is PASS-quality. B2/B3 are one-clause comment
-improvements; B4–B7 are informational.
diff --git a/docs/research/2026-08-05-issue-319-architecture-review.md b/docs/research/2026-08-05-issue-319-architecture-review.md
deleted file mode 100644
index 89c78f01..00000000
--- a/docs/research/2026-08-05-issue-319-architecture-review.md
+++ /dev/null
@@ -1,421 +0,0 @@
-# Issue #319 — independent architecture / adversarial review (2026-08-05)
-
-**Verdict: FAIL.**
-
-Reviewed: the uncommitted working tree at branch
-`claude/acdream-physics-divergence-5aa784`, HEAD `af828a8a` (`git diff HEAD`
-plus the untracked contract doc). Production delta measured independently:
-**91 non-comment lines added, 24 removed** across five files — the
-implementer's claim 3 is exact.
-
-Verification performed for this review (not inherited):
-
-- `dotnet build -c Release` — green (exit 0).
-- `AcDream.Runtime.Tests` filtered to `ParentAttachmentStateTests` +
- `RuntimeEntityChildCellPropagationTests` — 32/32 pass.
-- `AcDream.App.Tests` filtered to `EquippedChildProjectionWithdrawalTests` +
- `LiveEntityHydrationControllerTests` + `LiveEntityPresentationControllerTests`
- + `LiveEntityRuntimeTests` — 206/206 pass.
-
-The key fix (F1's staged half) is correct, well-anchored, and its tests are
-genuinely sabotage-sensitive. The bookkeeping (AP-142 clause (f), AP-132
-clarification, new AP-146, issue #320, route-7 §7 supersession note) is the
-most thorough in the campaign so far. **The FAIL rests on two things: the
-commit-time tripwire is wired at the wrong point in the transaction so that
-when it fires it tears the commit it was built to protect (A1), and the
-deferred late-bind branch — the larger and more novel half of F1 — is
-production-unreachable, carries a freshness hole its ParentEvent sibling does
-not, and its one test reaches it only by bypassing the production seam under
-an incorrect stated rationale (A2, A3, A6).**
-
----
-
-## A1 — MAJOR — the tripwire throws *after* the canonical parent commit has already landed; when it fires it produces a torn transaction, which is the one outcome F1 pinned against
-
-**`src/AcDream.App/Rendering/EquippedChildRenderController.cs:955-963`**
-
-```csharp
-if (candidateKind is ParentProjectionCandidateKind.Staged)
-{
- if (!_liveEntities.CommitStagedParent(relation, out _) // canonical commit
- || !Relations.CommitProjection(relation, ResolveLiveParentInstance)) // throws here
- {
- return default;
- }
-```
-
-**`src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs:408-412`** —
-identical ordering:
-
-```csharp
-if (!Entities.TryCommitParent(staged, acknowledgeProjection: null, out _)
- || !relations.CommitProjection(staged, _resolveParentInstance))
-```
-
-`CommitStagedParent`/`TryCommitParent` is the *canonical* half. It runs
-`InboundPhysicsStateController.TryCommitParent` → `ApplyParent`
-(`InboundPhysicsStateController.cs:1347-1373`), which nulls the child's
-snapshot `Position`, writes `ParentGuid`/`ParentLocation`/`PlacementId`, and
-stamps POSITION_TS. Only *then* does `CommitProjection`
-(`ParentAttachmentState.cs:651-661`) evaluate the tripwire and throw.
-
-**Failure scenario.** Any input that reaches the tripwire with a mismatch:
-the child's canonical snapshot has already been rewritten as parented (its
-world Position destroyed, POSITION_TS advanced), `_lastAcceptedByChild` has
-*not* been written, and the relation is still sitting in `_stagedByChild`.
-The exception then unwinds through `PrepareAndTryRealize` → `Tick()` /
-the inbound sink. Net state: a child that the canonical layer believes is
-parented, with no committed relation for D1/D2 to find, and a staged relation
-that `Resolve`'s early return (`ParentAttachmentState.cs:457-458`) will
-now block forever for that child.
-
-That is strictly worse than the silent mis-keyed commit #319 shipped. The
-contract's F1 pinned outcome was "**never a silent success under a mismatched
-key**"; the XML doc on `CommitProjection` promises it "refuses loudly rather
-than silently filing the relation under a key D1/D2 can never find again."
-Neither is what the code does — it half-files, then throws.
-
-**On reachability, stated honestly.** I traced every path that can advance a
-parent's live `InstanceSequence` while a staged relation naming that parent
-survives, and found none reachable today:
-
-- Both producers set the sequence from the live snapshot at stage time
- (`EquippedChildRenderController.cs:845-857`; `ParentAttachmentState.Resolve`
- `:473-498`).
-- The only incarnation bump is a `NewGeneration` CreateObject, and
- `RuntimeEntityObjectLifetime.cs:1004-1010` calls
- `ParentAttachments.EndGeneration(...)` → `RemoveParentReferences(_stagedByChild, guid)`
- (`ParentAttachmentState.cs:825`), purging every staged relation naming that
- parent.
-- Delete removes both the gate and the snapshot
- (`InboundPhysicsStateController.cs:101-102`) and is immediately followed by
- `DeleteGeneration` (`RuntimeEntityObjectLifetime.cs:2088-2090`), which purges
- the same way — so after a delete the producers *defer* rather than stage a
- stale key, and the next create is `InitialGeneration` (no `EndGeneration`
- needed).
-
-So the mismatch is unreachable — **but only as an emergent property of a
-three-file invariant chain that nothing records**, and one link is
-order-fragile: `AcceptCreate` publishes the new incarnation into `_snapshots`
-*before* `RegisterEntityCore` reaches `EndGeneration`, with `RemoveActive` and
-`WithdrawCommittedChildrenToCellless` (which publishes deltas to synchronous
-App observers) executing inside that window.
-
-This is exactly route 3's N3 shape
-(`docs/research/2026-08-04-c4-route-3-retail-review-round2.md:346-362`):
-"Refusing to fake success is right; converting a possibly-transient condition
-into a process-killing throw on the host that must survive K4's 30-session /
-two-hour endurance profile is the wrong end of that trade." The tripwire's own
-comment asserts a diagnosis it cannot establish — "a mismatch here can only be
-a producer regression" — when a parent replacement whose purge ordering ever
-changed would produce the same mismatch. On the headless site the throw lands
-in `OnParentUpdated`, an inbound sink; `HeadlessSessionHost.cs:52/64` will
-quarantine it, i.e. one bot session of 30 dies rather than the process — still
-a lost endurance row, and the torn canonical state above is what it dies
-holding.
-
-**Fix direction (cheap, no redesign).** Move the incarnation check *above*
-`CommitStagedParent`/`TryCommitParent` at both sites and make it a refusal,
-not a throw: log loudly (the codebase's existing refusal idiom) and return
-`false`, so the staged relation is rejected (`RejectProjection`) rather than
-left to block `Resolve`. That satisfies F1's pinned outcome exactly — no
-silent success under a mismatched key — without a fatal, and without tearing
-the transaction. If the project wants a hard assertion, it belongs in a
-`Debug.Assert`/test-only seam, not on the live packet path.
-
----
-
-## A2 — MAJOR — a deferred late-bind relation skips `accept`, so it carries no child-freshness gate at all, and is retained across the child's own generation boundary
-
-**`src/AcDream.Runtime/Entities/ParentAttachmentState.cs:506-524`** (the
-`if (!lateBind)` wrapper around the `accept(update)` call) and **`:412-426`**
-(`DeferCreateObjectRelation` enqueues with `WaitOwner = Parent`).
-
-For every ParentEvent-sourced relation, `accept` is
-`TryApplyParent`/`TryAcceptParentForProjection` → the child's
-`PhysicsTimestampGate.TryAcceptPositionChannelEvent`
-(`InboundPhysicsStateController.cs:258-273`). That call does two things: it
-*gates* the relation on the child's POSITION_TS, and it *advances* the child's
-gate to `update.ChildPositionSequence` — which is precisely what makes the
-subsequent `TryCommitParent` gate
-(`InboundPhysicsStateController.cs:299-312`: `gate.PositionTimestamp !=
-positionSequence || child.PositionSequence != positionSequence`) satisfiable.
-
-A late-bind relation skips both. Its only remaining gate is that same
-`TryCommitParent` equality — against a `ChildPositionSequence` captured when
-the relation was *enqueued*, possibly many packets earlier.
-
-Compounding it: `DeleteGeneration` and `EndGeneration` both run
-`FilterChildCandidates(guid, relation => relation.WaitOwner is
-ParentAttachmentWaitOwner.Parent)` (`:819-821`, `:844-846`) — i.e. they
-**retain** relations whose `WaitOwner` is `Parent`. `DeferCreateObjectRelation`
-sets `WaitOwner = Parent` at enqueue, and `Resolve`'s re-queue would set it
-anyway, so a deferred late-bind relation survives its own child's delete or
-replacement.
-
-**Failure scenario.** Child C's CreateObject/`CreateParentUpdate` defers a
-late-bind relation naming parent P (P unaddressable). C is then replaced by a
-new generation (`EndGeneration(C, n+1)` — an ordinary re-observe shape) or
-deleted and its GUID recycled. The relation survives. P later becomes
-addressable → `RetryWaitingDescendants(P)` → `Resolve(C, …)` → the late-bind
-branch adopts P's *current* incarnation and stages, with no `accept` gate to
-reject the stale `ChildPositionSequence`. Two outcomes, both bad:
-
-- `TryCommitParent`'s POSITION_TS equality fails (the new child generation has
- a different stamp) → `CommitStagedParent` returns false →
- `PrepareAndTryRealize` returns `default` → **the relation is stranded in
- `_stagedByChild` permanently.** `Resolve`'s early return (`:457-458`) then
- blocks every subsequent legitimate parent relation for that child for the
- rest of the session, and `CopyPendingProjectionChildrenTo` retries it every
- frame forever.
-- Or the stamps happen to coincide and the attach commits — binding a dead
- wire event's relation onto a new child incarnation and whatever object now
- holds P's GUID. This is AP-132's documented GUID-reuse hazard, applied on the
- one producer that now has no gate at all.
-
-Note the pre-fix behaviour self-healed: `AcceptCreateObjectRelation`
-(`:391-394`) is an unconditional `_stagedByChild[child] = relation`
-assignment, so a newer relation always superseded a stuck one. Routing through
-the queue removes that self-healing property.
-
-**Reachability caveat, stated honestly:** see A6 — the deferred branch appears
-to be production-unreachable today, so this is latent, not live. It is still a
-MAJOR defect in newly added code, because the code's stated purpose is to be
-the fail-safe.
-
-**Fix direction.** Either (a) subject late-bind relations to the same child
-POSITION_TS gate (call `accept` and let it advance the stamp — the retail
-argument for skipping it is about the *parent* incarnation, not the *child*
-timestamp), or (b) if the branch stays as a pure fail-safe, do not enqueue it
-with `WaitOwner = Parent` and add an explicit child-incarnation field so the
-generation filters can drop it with its child.
-
----
-
-## A3 — MEDIUM — the deferred relation carries a placeholder `ParentInstanceSequence = 0` that the generation filters read as a wire-named incarnation
-
-**`src/AcDream.App/Rendering/EquippedChildRenderController.cs:838-844`** builds
-the relation with the literal `ParentInstanceSequence: 0` and hands that exact
-value to `DeferCreateObjectRelation` when the parent is unknown. The
-`LateBindParentInstance` flag records "this 0 is meaningless" — but only
-`Resolve` reads the flag.
-
-`EndGeneration` (`ParentAttachmentState.cs:828-833`) and `DeleteGeneration`
-(`:853-857`) both filter the unresolved queue with predicates that compare
-`relation.ParentInstanceSequence` against a real generation via
-`PhysicsTimestampGate.IsNewer`. For a late-bind relation with the placeholder
-0 and a *player* parent (`TotalLogins` ≥ 1, never 0):
-
-- `EndGeneration(P, 8)`: `0 == 8` false; `IsNewer(8, 0)` false → **dropped.**
-- `DeleteGeneration(P, 7)`: `IsNewer(7, 0)` false → **dropped.**
-
-**Failure scenario.** A late-bind relation whose semantic is "attach to
-whatever currently holds this GUID" is judged as "names generation 0, which is
-older than the replacement" and silently discarded at exactly the moment the
-replacement it should bind to arrives. Player-class only — #319's own failure
-signature, reintroduced in a narrower window.
-
-Not reachable today only because a `NewGeneration` disposition requires a
-pre-existing snapshot, and a pre-existing snapshot means the producer would
-have taken the *staged* branch rather than deferring. That coupling is
-undocumented and is not a property either file states.
-
-**Fix direction.** Make `FilterParentCandidates`'s callers retain
-`LateBindParentInstance` relations unconditionally (they name no generation to
-compare), or carry a sentinel the filters can recognise.
-
----
-
-## A4 — MEDIUM — the `RestoreShadow` gate is *not* behaviour-preserving at HEAD; contract §3.2's premise is wrong for creature-parented children
-
-**`src/AcDream.App/World/LiveEntityPresentationController.cs:229`**
-
-The contract argues (§3.2) that `RestoreShadow` "no-ops today on
-`record.FullCellId == 0`", so the new `HasCommittedParent` clause is inert at
-HEAD and only matters post-fix. **That premise holds only for
-player-parented children.** Route 7's D1 already re-cells *creature*-parented
-children to a nonzero cell — that is exactly the class route 7 shipped and
-gated. So today an NPC's wielded weapon that has a shadow registration and
-crosses a Hidden→Visible edge reaches `ShadowPositionSynchronizer.Sync` and
-gets its broadphase row refreshed; with this gate it no longer does.
-
-The change is in the *right* direction — route 7's P4 record
-(`RuntimeEntityDirectory.cs:451-465`) says a committed child never owns a
-broadphase row, and `ShadowObjectRegistry.UpdatePosition`
-(`ShadowObjectRegistry.cs:696-697`) no-ops for an unregistered entity, so the
-live population is bounded by "children that already carry a registration."
-But this is a live behaviour change on a shipped path, justified in the
-contract by a premise that does not hold, and route 7's connected gate never
-exercised it.
-
-**Failure scenario if the premise is wrong in the other direction:** a
-formerly-world object that is picked up and equipped keeps a suspended
-registration in `_shadows` that `RestoreShadow` will now never restore, while
-`_suspendedShadowOwners` keeps its key (`:203` is only reached when `restored`
-is true). `Forget`/`Clear` (`:111-127`) converge it at teardown, so this is
-bounded — but it is a state the contract did not analyse because it assumed
-the population was empty.
-
-**Fix direction.** Not a code change necessarily — but the creature-parented
-half must be named in the connected gate (§7 Half B) as a thing to watch, and
-the contract's §3.2 "correct today" claim corrected. The test
-`CommittedChild_HiddenThenVisible_NeverInstallsShadowRow` does assert against
-the real `ShadowObjectRegistry` (the fixture pre-registers the entity at
-`LiveEntityPresentationControllerTests.cs:700-710`), so the AP-145/#318 rule
-is honoured — good.
-
----
-
-## A5 — MEDIUM — unbounded accumulation of deferred late-bind relations (the un-written §6 test 9 would have caught this)
-
-`_unresolvedByChild` is removed for a child only by `RemoveChild`/`RemoveObject`
-(`ParentAttachmentState.cs:782`, `:878`) or by `Clear()` (`:890`), and per
-parent guid by `RemoveObject(parentGuid)` (`:788-798`) and the two generation
-filters. A late-bind relation naming a parent GUID that **never becomes
-addressable and is never itself deleted** (an equip whose holder stays outside
-visibility) is removed by none of them and is retained across the child's own
-delete by the `WaitOwner is Parent` rule (A2).
-
-Each such relation is a permanent `+1` on `PendingRelationCount` and a
-permanent per-parent-spawn scan cost in `ChildrenWaitingForParent`
-(`:715-719`, a `queue.Any(lambda)` per child). Over a two-hour, 30-session
-endurance run this accumulates monotonically. `Clear()` converges it at reset,
-so a teardown-only ledger assertion would pass — which is exactly why the
-missing §6 test 9 is not the whole answer here.
-
-**Fix direction.** Bound the unresolved queue per child (the existing
-`Enqueue` has the same shape, so this is a pre-existing class the new producer
-widens), or age deferred late-bind relations out.
-
----
-
-## A6 — MEDIUM — the deferred branch is production-unreachable for *both* producers, and its only test reaches it by bypassing the production seam under an incorrect stated rationale
-
-Implementer claim 1 is **verified** for the raw CreateObject path:
-`RuntimeEntityObjectLifetime.cs:797-812` defers the whole CreateObject when
-`beginInitialResidence && parentGuid != 0u && !Entities.TryGetActive(parentGuid, out _)`,
-and `TryGetActive` ⇒ `TryGetSnapshot` (the snapshot is written by
-`AcceptCreate` before `AddActive`). So `OnSpawn` never sees an unaddressable
-parent.
-
-**But the same gate covers `CreateParentUpdate`.** The test's own justification
-(`EquippedChildProjectionWithdrawalTests.cs`, the doc comment on
-`OnCreateParentAccepted_ParentNotYetKnown_DefersThenLateBindsOnArrival`) says
-`CreateParentUpdate`'s producer "has no equivalent parent-addressability
-precondition." That is wrong: `CreateParentUpdate` is manufactured by
-`BuildSameGenerationEvents` inside the very `RegisterEntityCore` call whose
-line-797 gate reads `incoming.ParentGuid ?? incoming.Physics?.Parent?.Guid` —
-a same-generation CreateObject carrying a Parent hits the identical deferral.
-The test reaches the deferred branch only because it calls
-`fixture.Live.TryApplyCreateParent(...)` and `fixture.Controller.OnCreateParentAccepted(...)`
-directly, below the routing layer that would have prevented it.
-
-So `DeferCreateObjectRelation`, the `LateBindParentInstance` field, and
-`Resolve`'s late-bind branch — roughly half of F1's added lines and all of its
-novel state — are **dead in production**, and they carry A2's freshness hole
-and A3's placeholder-sequence hazard. A fail-safe that resurrects relations
-across generation boundaries with no timestamp gate is not a safer state than
-the assertion it replaces.
-
-**Fix direction.** Either establish a real production path (and then test it
-through the production seam), or reduce the branch to something with no
-independent failure modes — e.g. refuse the relation outright with a loud log
-when the parent is unaddressable, which is what the layer above already
-guarantees cannot happen.
-
----
-
-## A7 — LOW — the hydration gate is correctly scoped
-
-**`src/AcDream.App/World/LiveEntityHydrationController.cs:561-562`** — verified
-behaviour-preserving at HEAD and necessary post-fix, on stronger grounds than
-the contract gave:
-
-- `LiveEntityRecord.ProjectionCellId` (`LiveEntityRuntime.cs:387-389`) is
- `WorldEntity is not null ? FullCellId : Snapshot.Position?.LandblockId ??
- FullCellId`. A committed child always has a null snapshot `Position`
- (`ApplyParent` nulls it, `InboundPhysicsStateController.cs:1358/1366`), so
- all three sources of `projectionCellId` collapse to `FullCellId` — 0 today,
- the parent's cell post-fix. The gate is therefore exactly a no-op at HEAD
- for both parent classes and exactly required after.
-- The `continue` skips all three downstream branches (`CreateSupersessionRecovery`,
- `RebucketLiveEntity`, `SpatialRecovery`), which is correct: none of them was
- reachable for this population before, so nothing legitimate is newly dropped.
-- The predicate matches the precedent it cites
- (`RuntimeSetPositionState.IsAffectedCollisionResident`), and stale committed
- entries for a replaced child are cleared by `RemoveCommittedChild` inside
- both generation paths.
-
-No finding beyond noting the gate is GUID-keyed while the loop iterates
-canonical records; that is safe today only because `_lastAcceptedByChild` is
-purged on every child generation change.
-
----
-
-## A8 — LOW — `AcceptCreateObjectRelation` remains a public, unguarded producer
-
-`ParentAttachmentState.cs:391-394` still accepts any `ParentInstanceSequence`
-and is called raw from twelve test sites. The tripwire is the only thing
-standing between a future caller and #319 verbatim — and per A1 that tripwire
-is optional (`resolveParentInstance` defaults to `null`) and fires after the
-canonical commit. Consider making the parameter required, or making the
-late-bound wrapper the only public entry.
-
----
-
-## Implementer claims — adjudicated
-
-| claim | verdict |
-|---|---|
-| 1. `OnSpawn`'s deferred branch is structurally unreachable in production | **VERIFIED** (`RuntimeEntityObjectLifetime.cs:797-812`). But it is unreachable for the `CreateParentUpdate` producer too, which the diff and its test both deny — see A6. Not acceptable as an untested fail-safe in its current shape. |
-| 2. Sabotage: restoring the literal `0` fails the player row via the tripwire before the value assertion | **CONCERN REFUTED.** With the tripwire removed and the literal `0` restored, `CommitProjection` returns true and files `(parentGuid, 0)`, so `Assert.Equal(parentIncarnation, committedInstance)` fails on its own; the D1 assertion (`childCanonical.FullCellId == parent.Canonical.FullCellId`) and the D2 assertion also fail independently, because `CommitAcceptedParentCellless`'s `parent.Incarnation == parentInstanceSequence` gate and `ChildrenAttachedToParent(guid, Incarnation)` both miss. The matrix proves what it claims. |
-| 3. 91 added / 24 removed, net +67 vs a 35–80 estimate | **VERIFIED exactly.** The overshoot is entirely the tripwire plumbing plus the second commit site — i.e. the two things A1 says should be restructured. |
-
-## §6 gaps — do they block?
-
-- **Test 5 (residence non-event)** — **does not block.** Contract §3.3's premise
- is verified at `RuntimeEntityObjectLifetime.cs:2751-2752`
- (`if (canonical.FullCellId != 0u) Entities.SetFullCell(canonical, 0u, 0u)`
- immediately before `InitialCreateResidences.Begin`), so `Begin`'s
- `FullCellId != 0` refusal is genuinely unreachable and no production code on
- that path changed.
-- **Test 6 (unwield classification population)** — **does not block.** No
- production code on the classifier path changed, and the contract already
- recorded (`af828a8a`) that the short-circuit OR at
- `RuntimeAuthoritativePositionRouteClassifier.cs:391` labels the drop
- `teleport-ts` either way, so the observable outcome is unchanged.
-- **Test 9 (ledger convergence)** — **BLOCKS.** It is the one missing test whose
- subject is exactly where the new state lives, and A2/A5 are precisely
- ledger-convergence defects: a late-bind relation that outlives its child's
- generation, blocks `Resolve` for that child forever, and accumulates in
- `_unresolvedByChild` with no bound. A convergence test written against the
- new deferred population (child deleted with a deferred relation pending;
- parent guid never arriving; teardown *and mid-session* counts) would have
- surfaced both.
-
-## Route 7 invariants
-
-Re-checked against the diff and found intact: removal propagates ZERO
-(untouched; a new dual-parent-class withdrawal test was added);
-`RebucketLiveEntityPresentationOnly` is not made a canonical writer (the D4
-demotion stands, `LiveEntityRuntime.cs:1033-1060` untouched); no per-tick
-cross-cell rebuild is introduced; no new `SetFullCell` call site exists; the
-ParentEvent path's AP-132 incarnation gating is preserved verbatim in
-`Resolve`'s `else if` arm.
-
-## What a PASS would need
-
-1. **A1** — move the incarnation check above the canonical commit at both sites
- and make it a logged refusal returning `false` (rejecting the staged
- relation), not a throw.
-2. **A2/A3/A6** — either give the deferred branch a real production path and a
- test that reaches it through production routing, or reduce it to a loud
- refusal with no independent state. If it stays, close the missing child
- freshness gate and the placeholder-sequence filter hazard.
-3. **Test 9** — a ledger-convergence test over the new deferred population,
- asserting both mid-session boundedness and teardown convergence.
-4. **A4** — correct the contract's §3.2 premise and name the creature-parented
- shadow behaviour change in the connected gate's Half B watch list.
-
-Nothing here requires redesign; items 1 and 3 are small, item 2 is a scoping
-decision.
diff --git a/docs/research/2026-08-05-issue-319-contract.md b/docs/research/2026-08-05-issue-319-contract.md
deleted file mode 100644
index 6cce1959..00000000
--- a/docs/research/2026-08-05-issue-319-contract.md
+++ /dev/null
@@ -1,674 +0,0 @@
-# Issue #319 contract — the player-parented child's canonical cell (2026-08-05)
-
-**Scope:** fix the hard-coded `ParentInstanceSequence: 0` that files every
-CreateObject-carried parent relation under the wrong key for player parents
-(`EquippedChildRenderController.OnSpawn`), restore route 7's D1/D2 propagation
-for player-parented children (local AND remote players), structurally gate the
-two call sites whose inertness today is an accident of the zero cell, and pin
-the child's source of truth for a client-authoritative parent. **This slice
-does NOT make the local player's canonical cell track ordinary movement** —
-that is Decision 1's call, argued in §2, filed as its own follow-up.
-
-Pinned at HEAD **`af828a8a`**, clean tree, branch
-`claude/acdream-physics-divergence-5aa784`. (The dispatch named `2687d893`;
-the branch advanced one docs commit — `af828a8a`, the gate-4 probe-label
-closure — before this contract was written. Nothing in that commit changes
-this contract's premises; it strengthens §6's probe rule.) **Line numbers are
-as-of `af828a8a` and WILL go stale; every citation also names the symbol —
-trust the symbol.**
-
-Predecessor documents, binding where they still apply:
-
-- [`2026-08-05-local-player-child-propagation.md`](2026-08-05-local-player-child-propagation.md)
- — **the settling investigation. Its §§1–6 evidence is BINDING**; this
- contract re-verified its load-bearing claims at HEAD and confirms them
- (one nuance on §5.1 item 3, resolved in §3.3 below).
-- [`2026-08-04-c4-route-7-contract.md`](2026-08-04-c4-route-7-contract.md)
- — the regressing route's contract. Its §3 "must REMAIN true" invariants
- all still bind and are re-asserted in §5; its D1/D2/D3/D4 designs are NOT
- re-opened.
-- [`2026-08-05-c4-closeout-handoff.md`](2026-08-05-c4-closeout-handoff.md)
- — carries the CORRECTED route-7 gate criterion (positive equality
- assertion, dual parent class). §7 of this contract instantiates it.
-- [`2026-08-04-retail-parent-cell-propagation.md`](2026-08-04-retail-parent-cell-propagation.md)
- — retail `set_parent`/`enter_cell` recursion, settled. Not re-derived.
-- `docs/ISSUES.md` #319 — the defect record. This contract does not restate
- its root-cause chain; it builds on it.
-
----
-
-## 0. The defect, established — binding, do not re-derive
-
-`EquippedChildRenderController.cs:134` (`OnSpawn`) hardcodes
-`ParentInstanceSequence: 0` into `Relations.AcceptCreateObjectRelation`.
-Correct for creatures/statics (genuinely sequence 0); wrong for players,
-whose `ObjectInstance` is `Character.TotalLogins` (ACE
-`Player_Networking.cs:34-37`), parsed into `RuntimeEntityRecord.Incarnation`
-(`CreateObject.cs:749` → `WorldSession.cs:233` →
-`RuntimeEntityRecord.cs:43`). The relation files under `(playerGuid, 0)`
-while the record carries `TotalLogins`, so both route-7 write sites miss:
-
-- **D1 attach re-cell** — `RuntimeEntityObjectLifetime.CommitAcceptedParentCellless`'s
- `parent.Incarnation == parentInstanceSequence` gate (`:1537`) → false.
-- **D2 crossing propagation** — `RuntimeEntityDirectory.PropagateFullCellToChildren`'s
- `ChildrenAttachedToParent(guid, current.Incarnation)` (`:478-480`) →
- `Array.Empty()`, forever.
-
-`TryCommitParent` never validates the sequence; the attach succeeds
-silently. Scope: the local player and every remote player, for every
-CreateObject-carried equip (i.e. every login and every first-observe).
-User-visible consequence NIL — verified in the investigation §5, not
-assumed. `ParentEvent`-carried relations (mid-session equip) are unaffected:
-`ParentAttachmentState.Enqueue`/`Resolve` carry and validate the wire's real
-sequence (`ParentAttachmentState.cs:396-411`, `:440-454`).
-
----
-
-## 1. Retail ground truth — does retail distinguish a player parent?
-
-**No. The player/non-player split is entirely an acdream artifact of the
-(guid, incarnation) relation key meeting a wire message that carries no
-parent instance sequence.** Verified for this contract, not inherited:
-
-| claim | anchor | status |
-|---|---|---|
-| The CreateObject attach path looks the parent up **by GUID alone** in the live object table and calls `set_parent` — no instance-sequence read anywhere in the attach | `ACCObjectMaint::CreateObject` @0x00558870: `PhysicsDesc::get_parent_id` @0x00558a18, `CObjectMaint::GetObjectA(this, parent_id)` @0x00558a2d, `CPhysicsObj::set_parent(result, arg2, location)` @0x00558a3e | ✓ read at the pseudo-C |
-| The reverse direction (parent's CreateObject naming its children) is the same shape: per-child hash lookup by GUID, `GetNullObject` **placeholder** when the child is not yet constructed, then `set_parent` — again no instance gate | `CObjectMaint::SetChildren` @0x00509370: hash walk @0x005093b2-0x005093ca, `GetNullObject` @0x005093e6, `set_parent` @0x005093f8 | ✓ read at the pseudo-C |
-| `set_parent` / `enter_cell` / `leave_cell` / `change_cell` contain no player test of any kind — they operate on `CPhysicsObj*` uniformly | `set_parent` @0x00515A90 (order enumerated in route-7 contract §2 row 3); `enter_cell` @0x00510ed0; `leave_cell` @0x00510f50; `change_cell` @0x00513390 | ✓ (route-7 contract §2, re-affirmed; no player branch exists in any of the four bodies) |
-| Retail's `ObjectInstance` sequence lives in the physics-descriptor timestamp block and gates **message staleness**, never the parent relation — the relation is by live object pointer | timestamp block slot 8; AP-132's retail half ("retail's queue-by-GUID replay is pointer-only", @0x004535D0 ~92310-92326, `QueueBlobForObject` @0x005092D0) | ✓ (AP-132, register) |
-| Retail's player cell is NEVER stale: `SetPositionInternal` writes the player's own cell on every physics tick, so "parent cell propagation from a stale parent cell" is unrepresentable in retail | `CPhysicsObj::SetPositionInternal` @0x00515330 (propagation research, binding) | ✓ |
-| **CORRECTION (retail-conformance review, 2026-08-05): this row understated its own anchor.** `SetPositionInternal` @0x00515330 does not merely write the mover's own cell — in the same-cell branch it writes `this->m_position.objcell_id = objcell_id` @0x00515385, THEN walks `this->children` and writes each child's cell id directly (`*(uint32_t*)((char*)eax_2 + 0x4c) = objcell_id_1` @0x005153BD, `CPartArray::SetCellID` @0x005153CC, looping @0x005153AE–@0x005153D8); the cross-cell branch delegates to `change_cell` @0x00515372. Retail's D2 equivalent (per-tick child cell propagation) lives INSIDE THE SAME FUNCTION as the player's own per-tick cell write — a strengthening of the equality invariant and of AP-146, not a contradiction. (AP-142 clause (b) already cited this range; only this table's summary understated it.) | same, ranges above | ✓ |
-
-Consequences, pinned:
-
-1. **The retail-faithful semantic for a CreateObject-carried relation is
- "attach to the current holder of the parent GUID"** — late-bound, no
- wire incarnation to honor, because the wire supplies none. acdream's
- mapping: the relation adopts the parent's **live incarnation at
- resolve/commit time**. This is NOT a weakening of AP-132's incarnation
- posture: AP-132 gates relations whose wire event **names** a specific
- parent incarnation (`ParentEvent.ParentInstanceSequence`); a CreateObject
- relation names none, so adopting the live value honors exactly what the
- server sent — a GUID. AP-132's row gains a clarifying sentence in the
- fix commit (§4 F4).
-2. **The local player's coarse canonical cell is an acdream divergence with
- no register row.** Retail writes the player's cell per tick; acdream's
- canonical `FullCellId` for the local player is written only at login
- activation (`RuntimeSetPositionState.cs:2741-2745`), accepted inbound
- Position/ForcePosition (`RuntimeEntityDirectory.RefreshSnapshot` →
- `RuntimeEntityRecord.cs:234`), and teleport/portal commit
- (`RuntimeSetPositionState.cs:5001-5007`;
- `LocalPlayerTeleportController.cs:255`). Ordinary WASD passes a
- landblock id (`LocalPlayerProjectionController.Project`, `:85-98`, low
- 16 bits forced to `0xFFFF` in BOTH branches) that
- `LiveEntityRuntime.RebucketLiveEntity` explicitly preserves the old cell
- for (`:935-938`). Register rule 1 applies: **this divergence gets its
- row in the fix commit regardless of Decision 1's direction** (§4 F4).
-
----
-
-## 2. DECISION 1 — the child follows the parent's CANONICAL cell; the key fix alone is correct and complete for #319; the player-cell-tracking question is real, pre-existing, and files separately
-
-**The call is (c)** — neither (a) nor (b) as framed. (b)'s framing
-("staleness is harmless everywhere") is false without the §3 gates; (a)'s
-framing ("stale is strictly worse than zero, so #319 must make the player's
-cell track") rests on an argument that dissolves under the consumer
-enumeration below. The pinned design:
-
-> **The committed child's canonical `FullCellId` EQUALS its committed
-> parent's canonical `FullCellId` at every stable observation point — no
-> more, no less.** That is route 7's §3.1 headline invariant verbatim, and
-> it is an EQUALITY invariant, not a freshness invariant. The parent's own
-> canonical-cell freshness is a property of the PARENT's record, owned by
-> the parent's own write paths — pre-existing, unchanged by this fix, and
-> documented as its own divergence (§1 item 2). #319's fix makes the child
-> inherit the parent's value exactly; it does not, and must not, invent a
-> different cell authority for the child than the parent itself has.
-
-### 2.1 Why (a)'s "stale defeats 45+ liveness sites" argument fails for the child
-
-The 45+ `FullCellId != 0` predicates (route-7 contract §0 item 6) read a
-**spatial root's** cell. A committed child is structurally excluded from
-every one of them by a NON-cell clause, verified at HEAD:
-
-- `LiveEntityRuntime.GetRootObjectClockDisposition` (`:2602-2612`) and
- `HasSpatialRuntimeProjection` (`:3340-3345`): both require
- `ProjectionKind is LiveEntityProjectionKind.World`; a committed child is
- `Attached` — excluded on the first clause regardless of cell value.
-- The collision-retirement sweep `RuntimeSetPositionState.IsAffectedCollisionResident`
- (`:3930-3946`): triple-gated — spatial-roots-only iteration
- (`ParkCollisionResidents` `:3749-3756`), `_physics.IsSpatialRoot`
- (`:3942`), and an explicit
- `!ParentAttachments.HasCommittedParent(record.ServerGuid)` (`:3944-3945`).
- A committed child can never be parked by a retiring prefix, at any cell
- value.
-- Route 7's own P4 record (`RuntimeEntityDirectory.cs:451-465`): a committed
- child is never a spatial root, joins no workset, has no shadow row.
-
-What remains is exactly four consumers that can read a CHILD's cell, and
-each is resolved individually:
-
-1. **`LiveRenderProjectionJournal.Project` (`:270-277`)** — prefers
- `record.FullCellId` over the `entity.ParentCellId` fallback when nonzero.
- Traced to its consumers at HEAD: the dynamics **draw visibility** routes
- read `record.Source.ParentCellId` (the fresh, TickChild-maintained
- presentation field) — `RenderScenePViewFrameProduct.BuildDynamicLastRoute`
- (`:1441-1481`, `ParentCell(in record)` for the indoor
- `SphereVisibleInCell` test) and `BuildOutsideDynamicRoutes` (`:1356-1361`,
- same source). `Residency.FullCellId` feeds only (i) the indoor per-cell
- candidate index `_cellDynamics` (`ArchRenderScene.AddToIndices` `:639`),
- consumed by the look-in candidate enumeration
- (`BuildLookInRoutes` → `LoadCell` `includeDynamics: true`, `:1319-1322`),
- and (ii) the `RenderSceneShadowRuntime` residency assertion (`:403`).
- **Decisive fact: the LOCAL PLAYER's own record already sits in this exact
- index under this exact staleness today** — the player's `FullCellId` is
- nonzero-stale during ordinary play, and the player renders correctly
- everywhere, because visibility is `Source.ParentCellId`-driven. Post-fix
- the child is filed **beside its parent, under the same value** — equality
- with the parent in the render residency index is the consistent state,
- not a new staleness class. (P-R1 in §6 pins this with the shadow-runtime
- assertion in mind.)
-2. **The hydration filter** (`LiveEntityHydrationController.OnLandblockLoaded`
- `:551-557`) — wakes undesirably; gated structurally in §3.1.
-3. **`RestoreShadow`** (`LiveEntityPresentationController.cs:216-236`) —
- wakes undesirably; gated structurally in §3.2.
-4. **The unwield/drop Position classification**
- (route-7 contract §11; `RuntimeAuthoritativePositionRouteClassifier`) —
- wakes DESIRABLY: a committed child's pre-merge cell becomes
- "deterministically the parent's (nonzero whenever the parent is
- celled)", which is **route 7 §11's own stated intent and retail's own
- predicate population** (retail's `unset_parent` does no cell work, so a
- wielded child's unwield Position reaches `MoveOrTeleport` with the
- parent's nonzero cell). #319 had silently re-created the pre-route-7
- cell-less population for player-parented children; the fix restores the
- §11 direction. Note the `af828a8a` finding: at a drop ACE also advances
- TELEPORT_TS and the classifier is a short-circuit OR
- (`RuntimeAuthoritativePositionRouteClassifier.cs:391`), so the observed
- label stays `teleport-ts` either way. One test pins the stale-cell
- flavor (§6 test 6).
-
-Additionally, `RuntimeTraceRecorder.OnEntity`
-(`GameRuntimeEvents.cs:246-253`) stops recording `0` for the player's
-weapon — a diagnostic improvement, not a risk.
-
-**Conclusion:** with the two §3 gates in place, no consumer of the CHILD's
-cell behaves worse with stale-but-equal than with zero, several behave
-better, and the route-7 invariant is restored exactly. The (a) framing's
-"wrong answer looks right" applies to the PARENT's record — which this fix
-does not touch and which is exactly as stale before and after.
-
-### 2.2 Why the player-cell-tracking half does NOT ride in #319
-
-Making `LocalPlayerProjectionController.Project` pass the exact
-`movement.CellId` (available in both branches) instead of the coarsened
-landblock would touch, at minimum:
-
-- the deliberate landblock-preserve contract at
- `LiveEntityRuntime.cs:935-938` (a generic rebucket rule, not
- player-specific — changing its input population changes it for the one
- caller that relies on it);
-- `Rebucketed` delta publication cadence: today the player NEVER publishes
- a `Rebucketed` entity delta during WASD (the preserve path early-outs at
- `CommitRebucket`'s `previous == fullCellId`, `RuntimeEntityObjectLifetime.cs:1965-1972`);
- exact-cell commits would publish per crossing (EnvCell crossings are the
- high-frequency case) — a consumer enumeration in route 7's P8 class;
-- the accepted-Position classification inputs for the LOCAL player (route
- 2 and the 4b-3 `PreMergeCommittedCellId` measurement at
- `TryApplyPosition:1801-1814`): a fresh committed cell changes the
- pre-merge population on live correction paths that AP-136/AP-138 spent
- four review rounds pinning;
-- the portal-space freeze interaction
- (`LocalPlayerProjectionController.Project:100-103` — "the teleport owner
- alone projects the destination while the local controller deliberately
- retains its frozen source cell"): a canonical exact-cell writer must not
- race the teleport owner;
-- the `isOrdinaryRoot` family (`LiveEntityRuntime.cs:915-918`, `:3213`,
- `:3323`) and the animation-scheduler local-player exclusion
- (`LiveEntityAnimationScheduler.cs:183-227`).
-
-That is a local-player movement-spine slice with its own contract, its own
-review, and its own gate — calibrated against the campaign, comfortably
-larger than route 7's 127 production lines once its verification surface is
-counted, for zero behavioral need identified today. **It files as a
-follow-up issue in the fix commit** (§4 F4), carrying one specific hazard
-this contract identified and could NOT close (§9 item 2): whether the local
-player is a `RuntimePhysicsState` spatial root, and if so whether a
-stale-cell landblock retirement (a player WASD-ing beyond the streaming
-radius from its last teleport, with no intervening teleport or inbound
-Position) can sweep the player into `ParkCollisionResidents`. The child is
-provably immune (the `HasCommittedParent` gate); the player is not obviously
-so, and the connected routes that pass today teleport between stops, which
-refreshes the cell and may be masking it.
-
----
-
-## 3. DECISION 2 — the three inert-because-zero sites, one verdict each
-
-### 3.1 Hydration filter — WAKES WRONGLY; add the structural gate in this slice
-
-`LiveEntityHydrationController.OnLandblockLoaded` computes
-`projectionCellId = projection?.ProjectionCellId ?? Snapshot.Position?.LandblockId ?? candidate.FullCellId`
-(`:551-553`) and admits candidates on `projectionCellId != 0` + landblock
-match + `SetupTableId` (`:554-557`). A committed child today falls through
-all three sources to `0` (its `ProjectionCellId` is unset, its
-`Snapshot.Position` is null per route-7 §0 item 10) and is skipped. With a
-nonzero canonical cell it becomes a candidate whenever its (= the parent's)
-canonical landblock loads — e.g. at every login, where the equipment's cell
-names the activation landblock — and takes the full legacy
-`RebucketLiveEntity` branch (`:594-596`), which writes
-`entity.ParentCellId` (`LiveEntityRuntime.cs:885-898`) AND reaches
-`CommitRebucket` — **a second canonical cell writer for a child, the exact
-two-writer defect route 7 exists to remove**, plus a one-frame presentation
-overwrite that TickChild then repairs.
-
-**Waking is not desirable, and the current inertness is an accident of the
-bug.** Pinned: the candidate loop excludes records with a committed parent
-— gate on `ParentAttachments.HasCommittedParent(candidate.ServerGuid)` (or
-the equivalent projection-kind test), the same structural exclusion the
-retirement sweep already uses (`RuntimeSetPositionState.cs:3944-3945`).
-Rationale is retail-anchored, not defensive: a retail child is never
-independently re-placed by cell load — `update_object`'s `parent != 0`
-early-out (@0x00515D40) means the parent's own propagation is the only
-mechanism, and acdream's analog (D2) needs no hydration assist. The gate is
-correct TODAY (it changes nothing for a zero-cell child) and required
-post-fix; it lands in the same commit as the key fix, before it in
-sequence.
-
-**CORRECTION (retail review round 2, D1, 2026-08-05): the "falls through to 0"
-and "correct TODAY (changes nothing for a zero-cell child)" claims above are
-true only for a PLAYER-class parent — false for a creature/static-class
-parent.** Pre-fix, `EquippedChildRenderController.OnSpawn`'s hardcoded
-`ParentInstanceSequence: 0` genuinely MATCHES a creature-class parent's real
-incarnation (creatures/statics are sequence 0), so D1's
-`parent.Incarnation == parentInstanceSequence` gate already passes for that
-class at HEAD, the relation commits, and the child already carries a nonzero
-canonical `FullCellId` pre-fix — meaning a creature-parented child is ALREADY
-a hydration candidate today and already takes the legacy `RebucketLiveEntity`
-branch this gate removes. §3.2's twin premise received this same correction
-(architecture review A4); this paragraph did not, until now. The gate's
-direction is still correct (route 7's P4/D4), and it is still required in
-this slice — but it is a live behaviour change for the creature class, not
-merely a post-fix necessity for the player class. See the §7 gate's Half B
-for the connected-gate watch step this requires.
-
-### 3.2 `RestoreShadow` — WAKES WRONGLY; add the structural gate in this slice
-
-`LiveEntityPresentationController.RestoreShadow` (`:216-236`) no-ops today
-on `record.FullCellId == 0` (`:220`). Its other two guards do NOT protect a
-committed child: `IsSpatiallyProjected` is set `true` by the
-presentation-only rebucket the child takes every frame
-(`LiveEntityRuntime.cs:1043`, inside `RebucketLiveEntityPresentationOnly`),
-and `IsSpatiallyVisible` follows the child's ordinary visibility. On a
-Hidden→Visible edge (`RetailHiddenTransition.BecameVisible`, `:187-204` —
-reachable for a child both via its own transition and via the parent's
-unhide cascading through `_setDirectChildrenNoDraw`), a nonzero cell would
-install a `ShadowObjects` broadphase row for an equipped weapon at the
-parent's canonical cell — contradicting route 7's P4 record ("a committed
-child never joins a workset or shadow list",
-`RuntimeEntityDirectory.cs:451-465`), AP-142's model, and retail (a child's
-broadphase state is established at attach/unparent edges only; route-7
-contract §0 trap 5a). An invisible-but-solid weapon row at a possibly-stale
-cell is the #184 shape.
-
-**Pinned:** `RestoreShadow` refuses records with a committed parent (same
-predicate as §3.1; checking `ProjectionKind` alone is acceptable if the
-implementer shows it is equivalent for every reachable record). Same
-commit, same rationale: correct today, required post-fix.
-
-### 3.3 `RuntimeInitialCreateResidenceState.Begin` — waking is a NON-EVENT; verify with a test, no production change
-
-The investigation flagged `Begin`'s `record.FullCellId != 0u` refusal
-(`:583`) and `TryConvertToCellessRoute`'s (`:1041`) as unknowns. Resolved
-at HEAD: **the refusal is a defensive invariant, not a reachable gate.**
-`Begin`'s only production caller,
-`RuntimeEntityObjectLifetime.InitializeAcceptedCreateResidence`
-(`:2736-2771`), ZEROES a nonzero cell first — `:2751-2752`,
-`if (canonical.FullCellId != 0u) Entities.SetFullCell(canonical, 0u, 0u)`
-— before calling `Begin`. So a re-CreateObject that opens a fresh residence
-on a record inheriting a nonzero child cell zeroes it (flowing through the
-D2 chokepoint, correctly zeroing any grandchildren per AP-142 clause (a)),
-opens the `Parented` residence, and D1 re-cells at the attach commit —
-the same sequence a first create runs. `TryConvertToCellessRoute`'s refusal
-concerns an OPEN lease on a record with a committed cell — for a committed
-child the lease was already forgotten at the attach commit's cancellation
-prefix, so the arm is unreachable for the waking population.
-
-**Pinned:** no production change at this site. One test (§6 test 5) drives
-a re-CreateObject against an attached, non-zero-cell child (same
-incarnation → the `TryApplyAttachedAppearance` path; new incarnation → the
-replacement path with `InitializeAcceptedCreateResidence`) and asserts
-byte-identical outcomes to today's, plus the zero-then-re-cell sequence
-staying inside the transaction (no observable cell-less escape — route 7's
-D1 atomicity clause).
-
----
-
-## 4. The fix, pinned
-
-### F1 — the key: CreateObject-carried relations late-bind to the parent's live incarnation
-
-`EquippedChildRenderController.OnSpawn` stops writing the literal `0`:
-
-- **Parent snapshot known at accept time** → stage the relation with the
- parent's live `InstanceSequence` — the identical lookup
- `ResolveRelations` already hands to `Resolve`
- (`EquippedChildRenderController.cs:834-836`,
- `_liveEntities.TryGetSnapshot`).
-- **Parent not yet known** → do NOT stage under a guessed key. Route the
- relation through the existing unresolved/deferred machinery (the
- `RetryWaitingDescendants` / `WaitOwner.Parent` shape) so it resolves when
- the parent arrives, adopting the parent's incarnation THEN. Retail
- anchor for the late-bind semantic: `GetObjectA`/`GetNullObject` by GUID
- (§1) — the wire named a GUID, not an incarnation; matching "the current
- holder" is the faithful mapping. The implementer chooses the mechanism
- (a wildcard-incarnation relation resolved in `Resolve`, or deferring the
- `AcceptCreateObjectRelation` call itself); the pinned constraints:
- **no relation is ever staged or committed with an incarnation that does
- not equal the parent's live incarnation at that moment, and the
- `Resolve` early-return on staged relations
- (`ParentAttachmentState.cs:425-426`) must not strand a deferred
- CreateObject relation.**
-- **The commit-time tripwire** (the investigation's own recommendation,
- adopted): the parent-relation commit path asserts
- `relation.ParentInstanceSequence == parentRecord.Incarnation` whenever
- the parent is active — a mismatch REFUSES the commit loudly (throw or
- logged refusal per the codebase's commit-refusal idiom, implementer's
- choice — pinned outcome: never a silent success under a mismatched key).
- This is what converts any future producer regression from "silently
- inert propagation" into a failing test/session.
-
-This one change fixes the local player's login equipment AND every remote
-player's observed equipment (same producer). `ParentEvent`-path behavior is
-untouched.
-
-### F2 — the two structural gates (§3.1, §3.2)
-
-Both are committed-parent exclusions at sites that must never handle an
-attached child. Both are behavior-preserving at HEAD (the excluded
-population currently reaches neither site's active arm) and land in the
-same commit so the key fix never ships without them. Sabotage rule: each
-gate's test must fail with the gate deleted AND the key fix present (§6
-tests 3–4).
-
-### F3 — probe truthfulness
-
-`ACDREAM_PROBE_CHILD_CELL` stays as-is (it is TEMPORARY, C5c strips it),
-but the fix commit re-runs the §7 gate expectations against it. No probe
-code change is required for this slice: the corrected gate criterion is a
-positive read of the child's cell, not a probe-line count.
-
-### F4 — bookkeeping, in the fix commit (register rules 1–2 binding)
-
-- **AP-142 gains a clause** (or a new AP row if the reviewer prefers —
- implementer's call, one of the two): the CreateObject-carried relation
- late-binds to the parent's live incarnation because the wire carries no
- parent instance sequence; retail's attach is GUID-only
- (`GetObjectA` @0x00558a2d, `SetChildren` @0x005093f8, `GetNullObject`
- placeholder @0x005093e6). AP-132's row gains the clarifying sentence
- distinguishing the two producers (ParentEvent = wire-named incarnation,
- gated; CreateObject = no wire incarnation, late-bound).
-- **NEW register row — the local player's coarse canonical cell** (§1 item
- 2): intentional-architecture-or-stopgap classification to be argued in
- the row itself; anchors `CPhysicsObj::SetPositionInternal` @0x00515330
- vs the three acdream writers; risk column names the §2.2 park-sweep
- question and the child-inherits-the-coarseness consequence (the child's
- cell is stale-but-equal wherever the parent's is).
-- **Follow-up issue filed**: local-player canonical cell tracking —
- carrying §2.2's enumeration and §9 item 2's unresolved spatial-root
- question as its first verification step.
-- **ISSUES.md**: #319 → Recently closed with the commit SHA; the entry's
- "do NOT rush the fix" block is answered by this contract's §2/§3.
-- **Route-7 contract**: append a dated supersession note under its §7 gate
- (the criterion correction is already recorded in the closeout handoff;
- the note points here).
-- **AP-142 clause (b)/(c) untouched**; no row deletions.
-
----
-
-## 5. What must REMAIN true (route 7 §3, re-asserted for this slice)
-
-1. Route 7 invariants 1–13 hold verbatim. Specifically re-tested here:
- equality invariant (1), child never self-simulating (2), no placement
- machinery on the route (3), **no `ConstrainTo`** (4), `TryCommitParent`
- keeps zero `LeaveWorld` calls (6), presentation advances and is
- asserted (7), **no per-crossing child shadow/cross-cell rebuild** (8),
- ledger convergence (13).
-2. **The removal path still propagates ZERO** (AP-142 clause (a)) — the
- key fix must not perturb withdrawal/delete/EndGeneration edges; the §6
- matrix re-runs them with a player-range parent.
-3. **`RebucketLiveEntityPresentationOnly` does not become a canonical
- writer again** — the D4 demotion stands; the presentation rebucket
- stays keyed on the child guid alone.
-4. **The `ParentEvent` path's incarnation gating (AP-132) is unchanged** —
- a wire-named stale incarnation still discards/queues exactly as today.
-5. **No new canonical cell writer is introduced.** The fix adds zero
- `SetFullCell` call sites; it only makes the existing D1/D2 sites find
- their children.
-6. **The dormant-residence deferrals are untouched** (route 7 invariant 9);
- the continuation executor's parent replay path benefits from F1
- automatically (it routes through the same commit pair).
-
----
-
-## 6. Test plan
-
-Rules (route 5 §7 / route 7 §6, verbatim where they apply): assert the
-layer that broke; positive facts, not absences; every new test fails
-against a broken implementation; sabotage-verify both halves of dual-layer
-assertions; never derive a test's workload from the constant under test.
-
-**The structural rule this issue adds — MANDATORY: every scenario runs as a
-dual-parent-class matrix.** One parent in the player range (`0x5…`, spawned
-with a nonzero incarnation — use a value > 1 so an off-by-one cannot pass),
-one in the creature/dynamic range (`0x8…`, incarnation 0), asserting
-IDENTICAL outcomes. #319 exists precisely because every prior test and both
-captured gate logs used sequence-0 parents; a matrix in which the two
-classes can diverge silently is the defect's habitat. Where a fixture
-helper spawns parents, the helper takes the incarnation as a parameter —
-no baked-in zero.
-
-Focused tests (`tests/AcDream.App.Tests` for the controller/producer,
-`tests/AcDream.Runtime.Tests` for the propagation surface):
-
-1. **The key itself (F1), CreateObject path, matrix.** A CreateObject-carried
- equip against a live parent with incarnation N (N=0 creature, N=7
- player): relation commits under `(parentGuid, N)`
- (`TryGetCommittedParent` returns N), D1 re-cells the child to the
- parent's exact cell at attach (`cause=attach` behavior — assert the cell
- equality, not the probe), and a subsequent parent canonical-cell change
- through each writer family reaches the child (D2). Sabotage: restore the
- literal `0` and confirm the PLAYER row fails while the creature row
- passes — the test must be able to see exactly #319.
-2. **The deferred-parent flavor (F1), matrix.** Child CreateObject arrives
- BEFORE the parent's: relation stays unresolved (never staged under a
- guessed key — assert no committed relation exists), parent arrives with
- incarnation N, relation resolves and commits under N, child celled.
- Companion: parent arrives cell-less, later gains a cell → D2 catch-up
- re-cells the child (route 7 §6 test 1's companion, now for the
- CreateObject producer).
-3. **Hydration gate (§3.1).** An attached child with nonzero canonical
- cell; its landblock reloads; assert the child is NOT a hydration
- candidate (no legacy rebucket, `entity.ParentCellId` untouched by the
- hydration pass, no `CommitRebucket` invocation for the child). Sabotage:
- delete the gate → test fails.
-4. **Shadow gate (§3.2).** Attached child, nonzero cell, driven through a
- Hidden→Visible edge: assert NO `ShadowObjects` row exists for the child
- after the transition (assert against the engine's shadow table, not a
- cache — the AP-145/#318 lesson). Sabotage: delete the gate → fails.
-5. **Residence non-event (§3.3).** Re-CreateObject shapes against an
- attached nonzero-cell child (same-incarnation refresh; new-incarnation
- replacement): outcomes byte-identical to the zero-cell baseline; the
- replacement path's zero-then-re-cell stays inside one transaction (no
- observable cell-less window — reuse route 7 test 1's observation
- technique).
-6. **Unwield classification population (§2.1 item 4).** An attached child
- whose parent cell is nonzero (and deliberately DIFFERENT from the wire
- Position's cell, the stale flavor) receives an unparent Position:
- classification takes the TELEPORT_TS/distance route (never the
- cell-less arm), the drop commits at the WIRE position, and — the §11
- guard — the 4b-3 synthetic `PreMergeCommittedCellId == 0` fixtures are
- NOT relabeled: they remain synthetic.
-7. **Withdrawal/delete matrix (invariant 2).** Pickup of the parent,
- delete of the parent, `EndGeneration` — child (and a grandchild) go
- cell-less, both parent classes.
-8. **The commit-time tripwire (F1).** A relation carrying a wrong
- incarnation reaching the commit path is REFUSED loudly; assert the
- refusal is observable (exception or logged refusal + no committed
- relation), not a silent success.
-9. **Ledger convergence** (route 7 invariant 13): teardown/reset with a
- player-parented committed child present.
-
-The existing route-7 suites run unmodified — zero expectation changes
-outside the new tests is the tripwire that F1/F2 changed no non-child
-behavior.
-
----
-
-## 7. The gate (connected, user-run) — the CORRECTED criterion, instantiated
-
-Release build, `ACDREAM_RETAIL_UI=1`, `ACDREAM_PROBE_CHILD_CELL=1`, live
-ACE, graceful close. Run BOTH halves; a session that runs only the
-creature half is a not-run for this issue (process rule (g): the gate must
-be able to see the defect — the defect is player-class-only).
-
-**Half A — player parent (the local player, `0x5000000A`):**
-
-1. Login with equipment. **PASS requires a `[child-cell]` line for the
- player's child at attach-or-activation** (`cause=attach` if the player
- was celled first, else the D2 catch-up line when login activation
- commits the player's first cell) **AND the child's `FullCellId` read
- equal to the player's, nonzero.** Today this line does not exist
- (`c4-gates.log:238`, `c5-gates.log:343` — attach with no probe line);
- its appearance is the direct #319 signal.
-2. Carry across ≥2 landblock boundaries and back, plus one
- EnvCell-to-EnvCell dungeon traversal. **PASS: child `FullCellId` EQUALS
- the player's at every checkpoint — a zero is a FAILURE, not a silence.**
- Expectation set honestly by §2: during WASD the player's canonical cell
- does not change, so `cause=propagate` lines are NOT expected at these
- crossings for the player half — equality (both records carrying the
- same value) is the assertion. This expectation is itself part of the
- gate record: if `propagate` lines DO appear here, something changed the
- player's cell writers and the session gets investigated, not celebrated.
-3. Portal recall / portal transit while equipped. **PASS: `cause=propagate`
- fires for the player's child at the arrival commit** (the teleport
- writer is the player's live cell-change edge), child equal to the
- player's destination cell, equipment present and following.
-4. Unequip/re-equip mid-session (the ParentEvent path): `cause=attach`
- with the true incarnation — this was the investigation §7 prediction;
- observing it closes that loop.
-5. Reconnect with equipment: re-attach produces the same line set as step 1.
-
-**Half B — creature parent (`0x7…`/`0x8…`, e.g. observe an armed NPC or
-`@teleto` a wielding creature):** the route-7 recipe unchanged —
-`cause=propagate` in double digits across several crossings, child equal
-to parent at checkpoints. This half proves the fix did not perturb the
-already-working class. **ADDED (architecture review A4, 2026-08-05):**
-this half must ALSO watch the creature-parented weapon's shadow/collision
-row across a Hidden→Visible edge (`@hide`/`@unhide` an armed NPC, or a
-sit/stand-equivalent state toggle if available) — F2's `RestoreShadow`
-gate (`LiveEntityPresentationController.cs`) is NOT behavior-preserving
-at HEAD for this class the way the contract's §3.2 originally claimed:
-route 7's D1 already gives a creature-parented child a nonzero cell, so
-this gate is a live behavior change here (the weapon's broadphase row no
-longer refreshes on that edge), not an inert one. Confirm no #184-shaped
-regression (a stale-but-solid collider) and no crash; the change is
-believed correct per route 7's P4 record but was never exercised by a
-connected session before this note. **ADDED (retail review round 2, D1,
-2026-08-05):** this half must ALSO carry an armed creature/NPC across a
-landblock UNLOAD and RELOAD (walk it out of streaming range and back, or
-force a landblock reload if the harness supports it) and confirm the
-weapon is still attached and correctly placed afterward — F2's hydration
-gate (`LiveEntityHydrationController.OnLandblockLoaded`) is likewise NOT
-behavior-preserving at HEAD for the creature class (§3.1's correction,
-same D1-already-nonzero fact): pre-fix a creature-parented child was
-already a hydration candidate on landblock reload and took the legacy
-`RebucketLiveEntity` path this gate now excludes. This is precisely route
-7's "left behind at a boundary" regression shape if the gate's direction
-were wrong; confirm it is not.
-
-Secondary check only: probe-line volume. Primary: the equality reads.
-Regressions to watch: route 7's list verbatim (weapon at origin/stale
-ground position, invisible while equipped, left behind at a boundary,
-invisible-but-solid, culled against parent) — none is expected, since the
-presentation path is untouched.
-
----
-
-## 8. Size estimate and the split call
-
-Calibrated against the campaign (route 7: ~127 production lines; route 3:
-~418):
-
-| piece | non-comment production lines |
-|---|---|
-| F1 key + deferred late-bind + commit tripwire | 25–60 |
-| F2 hydration gate | 4–12 |
-| F2 shadow gate | 4–10 |
-| F3 | 0 |
-| **total** | **~35–80** |
-
-Tests are the larger share (~250–450 lines, dominated by the matrix).
-
-**ONE slice, no split.** F1 without F2 wakes the two sites; F2 without F1
-is inert scaffolding; both are tiny. **If Decision 1 had gone to (a), the
-answer would be different in kind, and it is worth stating for the record:
-folding player-cell tracking in would put the slice at route-3 scale or
-above** (the §2.2 enumeration: projection-controller change, rebucket
-contract change, `Rebucketed` publication audit, route-2/4b-3
-classification-input audit, portal-space race analysis, spatial-root/park
-analysis, plus its own connected gate) **— and it would still be the wrong
-bundling**, because the child fix is complete and gate-verifiable without
-it, and the player-cell question deserves its own retail-conformance
-argument rather than riding a key repair.
-
-Stop and report rather than pushing through when:
-
-1. F1's deferred path needs new relation-state machinery beyond a
- wildcard/deferral flag (the unresolved-queue shape should suffice; if
- `Resolve`'s staged early-return forces a redesign of
- `ParentAttachmentState`'s state machine, that is a conversation, not an
- ad-hoc build).
-2. Any test in §6 requires touching a canonical cell writer.
-3. The §3.2 gate turns out to mask a child shadow row that something DOES
- legitimately create today (that would contradict route 7's P4 record —
- file, do not fix inline).
-4. The complete Release suite deviates from its measured baseline beyond
- the two named flakes (#302, #308). Baseline at `e0f96a55` was 11,090 /
- 4 / 0 — MEASURE at the implementation HEAD, never inherit.
-
----
-
-## 9. Open items — reported honestly, not smoothed
-
-1. **The look-in render index nuance (§2.1 item 1) is argued from code,
- not from a live A/B.** The claim "the local player already exhibits
- this exact staleness in `_cellDynamics` with no observed symptom" is
- solid at HEAD reading, but the `RenderSceneShadowRuntime:403`
- residency assertion (`OwnerLandblockId != expected.LandblockId` throw)
- was not chased to its trigger population. P-R1: the implementer runs
- one indoor equipped session with the fix and confirms no shadow-runtime
- assertion fires. If one does, that is a finding about the PLAYER's
- record as much as the child's — report, do not patch the child.
-2. **Whether the local player is a `RuntimePhysicsState` spatial root was
- NOT established** (§2.2). If it is, the pre-existing stale player cell
- can theoretically be swept by `ParkCollisionResidents` after a long
- teleport-free WASD run — unexercised by the connected routes, which
- teleport between stops. This rides in the follow-up issue as its first
- verification step; it is NOT #319's blast radius (the fix does not
- touch the player's record).
-3. **The exact deferral mechanism for a parent-unknown CreateObject
- relation is implementer's choice** within F1's pinned constraints; this
- contract did not verify how `RetryWaitingDescendants` interacts with a
- relation that was deliberately NOT staged (today it retries realize for
- staged-but-unrealizable children). If the existing machinery cannot
- carry it, stop condition 1 applies.
-4. **Everything else in the investigation was confirmed at HEAD**: the
- hardcoded 0 and its structural cause (the wire carries no parent
- instance for CreateObject), both miss sites, the `Resolve` early-return,
- the commit's missing validation, the three writers of the player's
- canonical cell, the landblock-preserve, the hydration/shadow wake
- mechanics (including `IsSpatiallyProjected = true` via the
- presentation-only rebucket at `LiveEntityRuntime.cs:1043`), and the
- render fallback. One investigation unknown was RESOLVED in the child's
- favor: §5.1 item 3's residence question — the caller zeroes before
- `Begin` (`RuntimeEntityObjectLifetime.cs:2751-2752`), §3.3.
diff --git a/docs/research/2026-08-05-issue-319-retail-review-round2.md b/docs/research/2026-08-05-issue-319-retail-review-round2.md
deleted file mode 100644
index 34662b79..00000000
--- a/docs/research/2026-08-05-issue-319-retail-review-round2.md
+++ /dev/null
@@ -1,281 +0,0 @@
-# Issue #319 — retail-conformance DELTA review, round 2 (2026-08-05)
-
-**Verdict: PASS, with one MAJOR documentation/gate-coverage finding (D1) that
-must be closed before the connected gate runs — it does not require a code
-change.**
-
-Scope: delta only, against my round-1 report
-([`2026-08-05-issue-319-retail-review.md`](2026-08-05-issue-319-retail-review.md)).
-Same working tree, same base HEAD `af828a8a`, uncommitted. Reviewed
-`git diff HEAD` (14 files, +934/-20) plus the three untracked docs.
-
-Independent gates re-run for this round:
-
-- `dotnet build AcDream.slnx -c Release` — exit 0.
-- `AcDream.Runtime.Tests` Release — **1176/1176**, 0 skipped.
-- `AcDream.App.Tests` Release — **4127 passed, 3 skipped, 0 failed**.
-
-Matches the coordinator's reported numbers. A green suite is not evidence;
-every finding below comes from source or pseudo-C.
-
----
-
-## 1. The coordinator's primary question: does deleting our deferral diverge
-## from retail's queue-by-GUID replay?
-
-**No. Answered structurally, and it needs no register row.**
-
-Retail's mechanism is real: `QueueBlobForObject` @0x005092D0 buckets a
-missing-parent blob under the parent's GUID on `CObjectMaint` and replays it
-when that GUID is (re)created (AP-132's retail half). The question is whether
-acdream still has that mechanism after the App-layer deferral was deleted.
-
-It does, and the deleted code was never it. acdream's port of retail's
-per-GUID blob bucket lives in `ParentAttachmentState` and is **untouched by
-this diff**:
-
-- `_deferredCreatesByParent` (`ParentAttachmentState.cs:22-23`) — raw
- CreateObjects waiting on a parent GUID, filled by `EnqueueDeferredCreate`
- (`:87-119`) from `RuntimeEntityObjectLifetime.RegisterEntityCore:798-812`.
-- `_deferredAcceptedRelationsByParent` (`:34-35`) — accepted relations waiting
- on a parent GUID. Its own doc comment already names the anchor: "Shares the
- SAME per-guid 'blobs waiting on guid X' shape … retail's
- `QueueBlobForObject`/`CObjectMaint` bucket does not distinguish a raw Create
- blob from any other blob type queued against the same guid."
-- Replay on parent arrival is live: `DetachDeferredCreates` /
- `DetachDeferredAcceptedRelations` are driven from
- `RuntimeInitialCreateContinuationExecutor.ReplayDeferredChildren:1250-1275`,
- whose comment cites retail's atomic per-parent detach (pseudo-C ~93617) and
- whose `RestoreDeferredCreates` path explicitly preserves retail's "blobs live
- on `CObjectMaint`, not on the object instance, so they survive the object and
- replay against a recreated GUID."
-
-So the deleted `DeferCreateObjectRelation` was a **third, redundant queue** at
-the App producer layer, sitting *downstream* of the layer that already
-implements retail's mechanism — and downstream of the very gate that makes it
-unreachable. Removing it removes duplication, not a retail behaviour.
-
-Verified again for this round that the gate covers both wire shapes:
-`RegisterEntityCore:798` reads
-`incoming.ParentGuid ?? incoming.Physics?.Parent?.Guid ?? 0u`, and
-`SameGenerationCreateObjectEvents` (the sole source of `CreateParentUpdate`)
-are produced inside `AcceptCreate`, reached only after that gate passes. The
-implementer's structural-unreachability proof is correct for both producers,
-which is what round 1's R1 found independently.
-
-**No register row is owed.** The divergence that exists here — acdream gating
-queued relations on parent incarnation where retail's replay is pointer-only —
-is AP-132, already filed, and this diff does not widen it. `_unresolvedByChild`
-(the ParentEvent queue) is untouched.
-
-**Retail-side consequence of the simplification:** with deferral gone, the fix
-is exactly "bind to the parent's live incarnation at accept time," and the
-parent is guaranteed addressable at that moment by the layer above. That is a
-*closer* mapping of `GetObjectA(this, parent_id)` @0x00558a2d than the deferred
-version was — retail resolves the GUID once, at the attach, against whatever
-`CObjectMaint` currently holds; it does not carry a pending relation forward at
-the attach site either. `GetNullObject` @0x005093e6 (the `SetChildren`
-placeholder) is retail's only "not yet constructed" accommodation, and it lives
-on the *parent-names-children* direction, which acdream does not implement at
-this producer. Nothing retail does was lost.
-
-## 2. The refusal paths leave retail-correct state — verified
-
-Two refusal sites, both new:
-
-**(a) `AcceptLateBoundCreateObjectRelation`'s else branch**
-(`EquippedChildRenderController.cs:866-873`). Logs to stderr, mutates nothing.
-No relation is staged, queued, or committed; the child keeps its own snapshot
-and cell. That is a retail-representable state (an unattached object), and the
-round-2 test `OnCreateParentAccepted_ParentNotYetKnown_RefusesWithoutStateOrCrash`
-additionally pins that a later parent arrival does **not** retroactively attach
-it — honest about the consequence rather than implying a recovery that does not
-exist.
-
-**(b) `CanCommitIncarnation`** (`ParentAttachmentState.cs:588-604`, called at
-`EquippedChildRenderController.cs:983` and
-`RuntimeLiveEntitySessionController.cs:414`). Verified the full refusal
-sequence:
-
-- It is genuinely pure — reads `resolveParentInstance`, writes nothing.
-- Both production call sites now evaluate it **before** their canonical
- mutation (`CommitStagedParent` / `TryCommitParent`), so the A1 torn
- transaction is structurally impossible, not merely unlikely.
-- On refusal both call `RejectProjection` (`:649-658`), which removes the
- staged relation **only if it matches exactly** — so nothing is stranded to
- block `Resolve` forever, and a concurrently-replaced staged relation is not
- clobbered.
-- The App site returns `CanAdvanceWireQueue: true`, and since the staged
- relation is gone the enclosing `while` loop's next `TryGetStagedProjection`
- fails and breaks. No infinite loop, and the recovery branch still runs.
-- `CommitProjection` re-checks the same precondition as its own first mutation-
- free step (`:625-626`), so the method is non-tearing for any caller, not only
- the two that pre-check.
-
-The switch from `throw` to logged `false` also moots round 1's **R6** in the
-way that matters: I flagged that I could not exhaustively prove
-`_inbound._snapshots[parent].InstanceSequence` never leads
-`_activeByGuid[parent].Incarnation` inside a re-Create transaction. That gap
-still exists as a fact, but its consequence changed from "destructive throw on
-an unproven window" to "a logged refusal and an unattached child" — an outcome
-retail can represent. Round 1's R6 is **withdrawn as a risk** and downgraded to
-the observation in §5 below.
-
-## 3. Round-1 findings — disposition
-
-| round 1 | status |
-|---|---|
-| **R1** (both deferred branches unreachable) | **Resolved by deletion.** The unreachable code is gone; the remaining else branch logs. The `AcceptLateBoundCreateObjectRelation` `` block (`:57-78`) states the structural argument correctly, including that it is "not an empirical absence, a structural one." |
-| **R2** (sentinel-0 collides with `EndGeneration`/`DeleteGeneration` filters) | **Moot.** `LateBindParentInstance` and `DeferCreateObjectRelation` are gone; no relation with a placeholder incarnation ever enters `_unresolvedByChild`. Verified `FilterParentCandidates` (`:1002-1018`) now only ever sees wire-named incarnations. |
-| **R3** (two wrong test rationales) | **Corrected, but incompletely — see D2.** Both now cite the zero-`FullCellId` inertness and acknowledge `HasCommittedParent` is child-keyed and committed pre-fix. |
-| **R4** (D1's comment made vacuous) | **Fixed correctly.** `RuntimeEntityObjectLifetime.cs:1531-1539` now distinguishes the ParentEvent producer (protection ACTIVE, AP-132) from the CreateObject producer (vacuous-by-design, enforced by `CanCommitIncarnation`). Accurate. |
-| **R5** (cross-file "above") | **Fixed.** `LiveEntityPresentationController.cs:211` now names `LiveEntityHydrationController.OnLandblockLoaded`. |
-| **R6** (tripwire throw provability) | **Withdrawn as a risk** — see §2. |
-| **R7** (hydration gate broader than @0x00515D40) | **Fixed.** `LiveEntityHydrationController.cs:179-187` now records that the exclusion covers the whole candidate loop and rests on route 7's P4 record, not on @0x00515D40 alone. |
-
-## 4. Contract §1 row 5 correction — verified correct, cite it freely
-
-`docs/research/2026-08-05-issue-319-contract.md:82`. Every address in the
-correction was re-read at the pseudo-C for this round and is exact:
-
-- `this->m_position.objcell_id = objcell_id` @0x00515385 (same-cell branch) ✓
-- child loop `*(uint32_t*)((char*)eax_2 + 0x4c) = objcell_id_1` @0x005153BD ✓
-- `CPartArray::SetCellID` @0x005153CC ✓
-- loop bounds @0x005153AE–@0x005153D8 (`do { … } while (ebx_1 < this->children->num_objects)`) ✓
-- cross-cell branch `CPhysicsObj::change_cell(this, curr_cell)` @0x00515372 ✓
-- function header `CPhysicsObj::SetPositionInternal(CPhysicsObj*, CTransition const*)` @0x00515330 ✓ (the 4-arg overload at @0x00515BD0 is a different function; the row cites the right one)
-
-The characterisation — "retail's D2 equivalent lives INSIDE THE SAME FUNCTION
-as the player's own per-tick cell write" — is accurate and is the strongest
-single anchor for both the equality invariant and AP-146. Safe for future
-sessions to cite.
-
----
-
-## 5. New findings this round
-
-### D1 — MAJOR (documentation + gate coverage; no code change required). The A4 creature-parent correction was applied to `RestoreShadow` and NOT to the hydration gate, which carries the identical live behaviour change — and no gate watch item covers it.
-
-**Sites:** `src/AcDream.App/World/LiveEntityHydrationController.cs:569-570`
-(the gate and its comment block `:551-569`);
-`docs/research/2026-08-05-issue-319-contract.md:247-276` (§3.1, uncorrected);
-`docs/research/2026-08-05-issue-319-contract.md:544-559` (§7 Half B watch item,
-covers only `RestoreShadow`); `docs/ISSUES.md:13370-13374` (records A4 for §3.2
-only).
-
-The architecture review's A4 established that §3.2's "no-ops today on
-`FullCellId == 0`" premise holds **only for player-parented children**, because
-route 7's D1 already re-cells CREATURE-parented children to a nonzero cell — so
-the `RestoreShadow` gate is a live behaviour change for that class. That
-correction is applied at `LiveEntityPresentationController.cs:212-220` and
-mirrored into the contract's Half B recipe.
-
-**The identical argument applies to the hydration gate, and nothing records
-it.** Verified chain at HEAD for a creature/static parent (incarnation 0):
-
-1. `OnSpawn` stages the relation with the hardcoded `0`, which **matches** the
- parent's real incarnation.
-2. D1's gate `parent.Incarnation == parentInstanceSequence`
- (`RuntimeEntityObjectLifetime.cs:1541-1543`) passes → `SetFullCell(child,
- parent.FullCellId, …)`. The child's canonical cell is **nonzero at HEAD**.
-3. `ProjectionCellId => WorldEntity is not null ? FullCellId : …`
- (`LiveEntityRuntime.cs:387-389`) → nonzero for a realized child.
-4. `OnLandblockLoaded`'s candidate filter (`:571-577`) admits on
- `projectionCellId != 0` + landblock match + `SetupTableId is not null`. An
- equipped weapon satisfies all three when the parent's landblock loads.
-5. It therefore enters the second loop and takes one of
- `ProjectExact(CreateSupersessionRecovery)` (`:599`),
- `RebucketLiveEntity` (`:611`), or `ProjectExact(SpatialRecovery)` (`:618`).
- `RebucketLiveEntity` writes `entity.ParentCellId` unconditionally
- (`LiveEntityRuntime.cs:885-898`, no attached-child guard) and calls
- `_spatial.RebucketLiveEntity` — a **second spatial writer** competing with
- route 7 D4's `RebucketEquippedChildPresentation`.
-
-So the hydration gate removes a live code path for creature-parented children,
-exactly as the shadow gate does. The direction is right (route 7's P4/D4, and
-retail's `update_object` `parent != 0` early-out @0x00515D40 for the canonical
-half), but three things are wrong as it stands:
-
-- The gate's own comment (`:551-569`) still frames the change as affecting only
- "a #319-fixed (nonzero) child", i.e. the player class.
-- The contract's §3.1 still asserts "A committed child today falls through all
- three sources to `0`" and "The gate is correct TODAY (it changes nothing for
- a zero-cell child)" — **false for the creature class**, and it is the
- sentence a future session will read as the justification.
-- **Half B of the connected gate watches the shadow row but not the hydration
- path.** A creature-parented weapon that stops being re-placed on landblock
- load is precisely route 7's "left behind at a boundary" regression shape, and
- nothing in §7 asks the runner to look for it.
-
-**Correct behaviour:** mirror A4 into the hydration gate's comment and contract
-§3.1, and add a Half B step that carries an armed NPC across a landblock
-boundary (the parent's landblock unloading and reloading) and confirms the
-weapon still follows. Blast radius is one paragraph of docs plus one gate step,
-not code.
-
-One link in the chain I did **not** close empirically and am flagging rather
-than guessing: whether a realized attached child reliably has
-`InitialHydrationCompleted == true` (`TryMarkInitialHydrationCompleted`,
-`LiveEntityRuntime.cs:2913-2928`, requires only `WorldEntity != null` and
-`ResourcesRegistered`, with no `ProjectionKind` filter). This only decides
-*which* of the three second-loop branches the child took at HEAD — candidacy,
-and therefore the behaviour change, holds either way.
-
-### D2 — MINOR. The R3 comment corrections are precise for the player row and imprecise for the creature row, in tests whose second row IS the creature class.
-
-`tests/AcDream.App.Tests/World/LiveEntityHydrationControllerTests.cs:150-158`
-and `tests/AcDream.App.Tests/World/LiveEntityPresentationControllerTests.cs:102-109`.
-
-Both corrected comments end with "what was unreachable pre-fix is the NONZERO
-`FullCellId` this candidate loop actually gates on … the child's cell stays 0
-forever for a player parent." True for the player row
-(`0x50000123u`/`0x50000456u`); **false for the creature row**
-(`0x70000099u`/`0x70000199u`), where D1 already produced a nonzero cell at
-HEAD — the same D1 fact that drives A4. Correct behaviour: qualify the sentence
-per parent class, the way `LiveEntityPresentationController.cs:212-220` now
-does for the production comment.
-
-### D3 — LOW / observation. Two new unconditional `Console.Error.WriteLine` sites on paths reachable at wire cadence.
-
-`EquippedChildRenderController.cs:868-873` and
-`ParentAttachmentState.cs:601-606`. Both are "should be structurally
-unreachable" refusals, so volume is expected to be zero — but neither is
-rate-limited or routed through a diagnostic owner, and CLAUDE.md's rule 5
-prefers a subsystem diagnostic owner over ad-hoc writes. If either ever fires
-on a per-frame retry path it becomes a log flood on a host that must survive
-long endurance sessions (Slice K4's own constraint). Not blocking; worth a
-follow-up rather than a change in this slice.
-
-### D4 — OBSERVATION (favourable). The ledger-convergence gap I judged non-blocking in round 1 was closed anyway.
-
-Contract §6 test 9 now exists as three dual-parent-class tests
-(`ParentAttachmentStateTests`: child removal, parent removal, full teardown
-with mixed pending state), each asserting all four tables converge to zero.
-Notably the teardown test deliberately leaves a live `_unresolvedByChild`
-ParentEvent entry — proving convergence for the queue this fix did **not**
-touch, which is the right target now that the deferred queue is gone. The
-round-2 `PrepareAndTryRealize_MismatchedIncarnation_RefusesBeforeCanonicalCommit`
-test is also well-aimed: it asserts at the **canonical** layer
-(`snapshot.ParentGuid` null, `snapshot.Position` non-null) rather than at the
-relation table, which is the layer the A1 tear actually corrupted.
-
-Contract §6 tests 5 and 6 remain unwritten; my round-1 judgement stands
-(test 5's premise is code-verified at
-`RuntimeEntityObjectLifetime.cs:2750-2752`; test 6 pins a flavour the
-short-circuit OR makes unobservable). Neither blocks.
-
----
-
-## 6. Errors in the CONTRACT itself, round 2
-
-One, and it is D1's second bullet: **§3.1 (`:247-276`) was not given the A4
-correction its twin §3.2 received.** Its "the gate is correct TODAY (it changes
-nothing for a zero-cell child)" is false for creature-parented children and is
-the sentence most likely to be cited later. §3.2's body text (`:279-289`, "no-ops
-today on `record.FullCellId == 0`") has the same residue, though the §7 Half B
-note now overrides it — §3.1 has no such override anywhere.
-
-Everything else re-checked this round — §1's table including the new row-5
-correction, §4 F1/F2's pinned constraints, §5's invariants, §7's corrected
-criterion and its new Half B addendum, AP-142 clause (f), AP-132's amendment,
-AP-146, and #320 — remains accurate against source and pseudo-C.
diff --git a/docs/research/2026-08-05-issue-319-retail-review.md b/docs/research/2026-08-05-issue-319-retail-review.md
deleted file mode 100644
index 242eb3bf..00000000
--- a/docs/research/2026-08-05-issue-319-retail-review.md
+++ /dev/null
@@ -1,380 +0,0 @@
-# Issue #319 — independent retail-conformance review (2026-08-05)
-
-**Verdict: PASS.**
-
-Reviewed: the uncommitted working tree at base HEAD `af828a8a`, branch
-`claude/acdream-physics-divergence-5aa784` — `git diff HEAD` (13 files,
-+709/-30) plus the untracked contract
-`docs/research/2026-08-05-issue-319-contract.md`.
-
-Review only. No file in the tree was modified by this review except this
-report.
-
-Independent gates run for this review (a green suite is not evidence, but a
-red one is):
-
-- `dotnet build AcDream.slnx -c Release` — exit 0.
-- `AcDream.Runtime.Tests` Release — 1170/1170, 0 skipped.
-- `AcDream.App.Tests` Release — 4125 passed, 3 skipped, 0 failed.
-
----
-
-## 1. The central retail claim — independently verified, and the contract
-## UNDERSTATES its own anchor
-
-Every retail claim below was read at
-`docs/research/named-retail/acclient_2013_pseudo_c.txt` for this review. None
-was inherited from the contract or the investigation.
-
-| contract claim | address | verified |
-|---|---|---|
-| CreateObject's attach is GUID-only | `ACCObjectMaint::CreateObject` @0x00558870; `PhysicsDesc::get_parent_id` @0x00558a18 → `if (eax_20 != 0)` @0x00558a1f → `CObjectMaint::GetObjectA(this, eax_20)` @0x00558a2d → `get_parent_location_id` @0x00558a31 → `CPhysicsObj::set_parent(result, arg2, eax_22)` @0x00558a3e | ✓ **exact**. `GetObjectA` takes `(this, guid)`. There is no instance-sequence read, comparison, or argument anywhere in the block. |
-| The reverse direction is the same shape | `CObjectMaint::SetChildren` @0x00509370: `unparent_children` @0x00509379, hash-bucket walk on `PhysicsDesc::get_child_id` @0x005093b2–@0x005093ca, `GetNullObject(this, get_child_id(...), 1)` placeholder @0x005093e6, `set_parent(hash_next_1, arg2, get_child_location_id(...))` @0x005093f8 | ✓ **exact**, including the `GetNullObject` placeholder for a not-yet-constructed child. No instance field participates. |
-| No player branch in the relation path | `set_parent` @0x00515A90 (3-arg) and @0x00515B50 (4-arg, Frame); `enter_cell` @0x00510ED0; `change_cell` @0x00513390 | ✓. Both `set_parent` overloads operate on `CPhysicsObj*` uniformly: `add_child` → `unset_parent` → `leave_world` → `parent = edi` → `if (cell != 0) change_cell` → `UpdateChild` → `recalc_cross_cells`. The only conditional in either body is the parent's `state & 0x4000` no-draw cascade @0x00515B26. `enter_cell`'s only guard is `part_array != 0` @0x00510ED8. **No player test exists in any of them.** |
-| Retail's player cell is written per tick | `CPhysicsObj::SetPositionInternal` @0x00515330 | ✓ — and **stronger than the contract states**, see below. |
-| `update_object` early-outs on a parented object | @0x00515D40: `if ((this_3->parent != 0 \|\| (this_3->cell == 0 \|\| (this_3->state & 0x1000000) != 0))) { transient_state &= ~0x80; return; }` | ✓ **exact**. A parented child is never independently updated or re-placed. |
-
-**The contract's §1 row 5 cites the weaker half of its own best anchor.**
-`SetPositionInternal` @0x00515330 does not merely write the mover's own cell:
-in the same-cell branch it writes `this->m_position.objcell_id = objcell_id`
-@0x00515385, then **walks `this->children` and writes each child's cell id
-directly** — `*(uint32_t*)((char*)eax_2 + 0x4c) = objcell_id_1` @0x005153BD,
-followed by `CPartArray::SetCellID` @0x005153CC, looping @0x005153AE–
-@0x005153D8; the cross-cell branch delegates to `change_cell` @0x00515372.
-That is retail's D2 equivalent living **inside the same per-tick function** as
-the player's own cell write. It is a strengthening, not a contradiction: the
-child-equals-parent equality invariant and AP-146's "retail's player cell is
-never stale" both get a single anchor. (AP-142 clause (b) already cites this
-range; only §1's summary table understates it.)
-
-### Conclusion on the central claim
-
-**Retail does NOT distinguish a player parent, and there is no
-instance-sequence check anywhere in the relation path — confirmed
-independently.** acdream's player/non-player split is exactly what the
-contract says it is: an artifact of keying committed relations by
-`(guid, incarnation)` against a wire message that carries only a GUID.
-**Late-binding to whoever currently holds the GUID is the faithful mapping**,
-because "the current holder of the GUID" is literally what `GetObjectA` /
-`GetNullObject` return. The fix shape is right.
-
----
-
-## 2. Scope expansion (`OnCreateParentAccepted`) — JUSTIFIED, and the fix is
-## correct there
-
-The contract's Scope line named only `EquippedChildRenderController.OnSpawn`.
-The implementer also fixed `OnCreateParentAccepted`. Verified:
-
-- `CreateParentUpdate` is declared at
- `src/AcDream.Runtime/Entities/InboundPhysicsStateController.cs:1399-1405`
- as `(ChildGuid, ParentGuid, ParentLocation, PlacementId,
- ChildInstanceSequence, ChildPositionSequence)`. Its producer,
- `BuildSameGenerationEvents` (`:1240-1248`), fills
- `ChildInstanceSequence` from `ts.Instance` where `ts` is
- `incoming.Physics.Timestamps` and `incoming` **is the child**. So
- `ChildInstanceSequence` is the CHILD's own timestamp, exactly as the
- implementer reports. **No parent instance sequence exists on this shape.**
-- The codebase already knew this: `InboundPhysicsStateController.
- TryApplyCreateParent`'s pre-existing doc comment (`:216-218`) reads
- "Unlike standalone ParentEvent it carries no parent INSTANCE_TS, so only
- the child's shared POSITION_TS participates in freshness."
-- Pre-fix, `OnCreateParentAccepted` hardcoded `ParentInstanceSequence: 0`
- into the identical `Relations.AcceptCreateObjectRelation` call. **Byte-
- identical defect.** Shipping the key fix on one producer and not the other
- would have left #319 half-open for every same-generation ObjDesc refresh of
- a player-parented child.
-
-Routing both through one `AcceptLateBoundCreateObjectRelation`
-(`EquippedChildRenderController.cs:836-857`) is the right shape and the right
-commit.
-
----
-
-## 3. Findings
-
-### R1 — MINOR (incorrect load-bearing comment). Both deferred branches are production-unreachable, not just `OnSpawn`'s.
-
-`tests/AcDream.App.Tests/Rendering/EquippedChildProjectionWithdrawalTests.cs:875-881`
-
-The test's XML doc asserts:
-
-> `CreateParentUpdate`'s producer … has no equivalent parent-addressability
-> precondition, so this is the reachable shape for #319's deferred branch.
-
-**Verified false.** The only production driver of `OnCreateParentAccepted` is
-`LiveEntityHydrationController.OnCreate`'s `result.SameGenerationEvents is
-{ } refresh` branch (`LiveEntityHydrationController.cs:340-341` →
-`LiveEntityNetworkUpdateController.cs:380` →
-`LiveEntitySameGenerationUpdateRouter.Apply` → `OnParent` → `:400-401`).
-`SameGenerationCreateObjectEvents` are produced only inside
-`InboundPhysicsStateController.AcceptCreate` (`:70-90`), reached only from
-`RuntimeEntityObjectLifetime.RegisterEntityCore` — and `RegisterEntityCore`'s
-deferral gate runs **before** `PreviewCreateDisposition`:
-
-```
-RuntimeEntityObjectLifetime.cs:798-812
-uint parentGuid = incoming.ParentGuid ?? incoming.Physics?.Parent?.Guid ?? 0u;
-if (beginInitialResidence && parentGuid != 0u
- && !Entities.TryGetActive(parentGuid, out _))
-{ Entities.ParentAttachments.EnqueueDeferredCreate(...); return DeferredForParent: true; }
-```
-
-The `??` chain covers both the flattened `ParentGuid` and the nested
-`Physics.Parent.Guid`, i.e. both shapes `OnSpawn` and `OnCreateParentAccepted`
-read. The App graphical host is the `beginInitialResidence: true` caller
-(`LiveEntityRuntime.cs:583`). So by the time either producer runs, the parent
-is active. The implementer's `OnSpawn` finding is correct; the extension of it
-to `OnCreateParentAccepted` is not.
-
-Retail address contradicted: none — this is a reachability claim about
-acdream, not about retail.
-
-**Not a code defect.** The deferred machinery is correct, and it is genuinely
-defensive: the deferral gate reads `Entities.TryGetActive` (the
-`_activeByGuid` map) while the late-bind reads `TryGetSnapshot` (the
-`_inbound._snapshots` map) — two distinct stores, so a producer-side fallback
-is warranted rather than an assertion. Correct behaviour: the comment should
-say the deferred branch is defensive against store drift and is not exercised
-by any production path today, and the test should be labelled as covering the
-mechanism rather than a reachable production shape.
-
-### R2 — MINOR (latent bug, unreachable today by R1). The late-bind sentinel `0` is filtered as if it were a wire-named incarnation.
-
-`src/AcDream.Runtime/Entities/ParentAttachmentState.cs:828-834` (`EndGeneration`)
-and `:853-857` (`DeleteGeneration`), via `FilterParentCandidates` (`:1002-1018`).
-
-`DeferCreateObjectRelation` (`:412-426`) queues the relation into
-`_unresolvedByChild` carrying `ParentInstanceSequence: 0` plus
-`LateBindParentInstance = true`. The `0` is a **meaningless placeholder** —
-that is the whole premise of the fix. But `EndGeneration`'s retain predicate
-treats it as a wire-named value:
-
-```
-relation => relation.ParentInstanceSequence == replacementGeneration
- || PhysicsTimestampGate.IsNewer(replacementGeneration,
- relation.ParentInstanceSequence)
-```
-
-`IsNewer(oldStamp, newStamp)` (`AcDream.Core/Physics/PhysicsTimestampGate.cs:58-63`)
-returns true when `newStamp` is newer. For a player parent replaced at
-generation 7: `0 == 7` false, `IsNewer(7, 0)` false → **the late-bind relation
-is dropped**, which is the exact opposite of its own semantic ("attach to
-whoever currently holds the GUID" — the replacement generation is precisely
-whom it should attach to) and of retail's GUID-keyed blob replay
-(`QueueBlobForObject`, AP-132's retail half: replay on GUID (re)creation with
-only an addressability check).
-
-Not reachable in production today because of R1, and **not a regression** —
-pre-fix a CreateObject relation went straight to `_stagedByChild`, which
-`EndGeneration` clears unconditionally via `RemoveParentReferences`
-(`:822-827`). Correct behaviour when the path becomes reachable: both
-`FilterParentCandidates` retain predicates should keep
-`relation.LateBindParentInstance` unconditionally, or the deferred relation
-should carry a nullable incarnation rather than a `0` sentinel that collides
-with a legitimate creature-parent value.
-
-### R3 — MINOR (incorrect comment, two sites; the same wrong rationale twice).
-
-`tests/AcDream.App.Tests/World/LiveEntityHydrationControllerTests.cs:149-153`
-and `tests/AcDream.App.Tests/World/LiveEntityPresentationControllerTests.cs:101-105`.
-
-Both comments justify the fixture setup with:
-
-> …giving it a nonzero canonical `FullCellId` via D1/D2 (exercised
-> elsewhere) — impossible to reach before #319's fix for a player-class
-> parent.
-
-Two errors:
-
-1. **"the relation never committed for a player-class parent at all" is
- false.** `HasCommittedParent` is keyed by the CHILD guid
- (`ParentAttachmentState.cs:571-572`: `_lastAcceptedByChild.ContainsKey(childGuid)`),
- and pre-fix `CommitProjection` succeeded under `(playerGuid, 0)` — the
- contract's own §0 says so verbatim ("`TryCommitParent` never validates the
- sequence; the attach succeeds silently"). A player-parented child **did**
- have a committed parent at HEAD. What was inert at HEAD is the child's
- zero `FullCellId`, which is the contract's actual §3.1/§3.2 argument.
-2. **The nonzero cell in both fixtures does not come from D1/D2.** The
- presentation fixture materialises at `0x01010001u`
- (`LiveEntityPresentationControllerTests.cs:690`, seeded from the spawn's
- own `ServerPosition` at `:744`); the hydration fixture's record carries
- `Cell` from its own spawn. Neither test calls
- `CommitAcceptedParentCellless`.
-
-The tests themselves are **valid and their sabotage claims hold** — I
-verified independently that `ProjectionCellId => WorldEntity is not null ?
-FullCellId : …` (`LiveEntityRuntime.cs:387-389`) makes a committed child's
-candidate cell exactly `FullCellId`, so it is 0 at HEAD and the parent's cell
-post-fix; the gates are therefore behavior-preserving at HEAD, exactly as the
-contract argued. Only the stated rationale is wrong. Correct behaviour: cite
-the zero-`FullCellId` inertness, not a non-existent absence of a committed
-relation.
-
-### R4 — MINOR (comment made partially false by this diff; the comment itself is untouched).
-
-`src/AcDream.Runtime/Entities/RuntimeEntityObjectLifetime.cs:1529-1531` (D1):
-
-> The committed relation (not the guid alone) resolves the parent so a stale
-> or superseded incarnation can never re-cell the child.
-
-After F1 a CreateObject-carried relation is, by construction, always equal to
-the parent's live incarnation at commit (and the new tripwire at
-`ParentAttachmentState.cs:651-661` enforces it). For that producer the
-sentence now describes a protection that is vacuous rather than active. It
-remains true for the `ParentEvent` producer, whose incarnation the wire names
-(AP-132). The diff changed the semantics of a comment it did not edit — the
-exact class the review brief flags. Correct behaviour: qualify the sentence to
-name the ParentEvent producer.
-
-### R5 — LOW (comment misdirection).
-
-`src/AcDream.App/World/LiveEntityPresentationController.cs:228` — "the same
-predicate the hydration gate above uses". The hydration gate is in a different
-file (`LiveEntityHydrationController.OnLandblockLoaded:561`), not "above".
-
-### R6 — OBSERVATION, partly UNVERIFIABLE (flagged rather than guessed). The tripwire converts a silent skip into a production throw.
-
-`ParentAttachmentState.CommitProjection` (`:639-661`) now throws
-`InvalidOperationException` when the parent is addressable and the relation's
-incarnation disagrees. The contract explicitly authorised this ("throw or
-logged refusal … pinned outcome: never a silent success"), so it is in scope.
-I enumerated the false-positive surface as far as source allows:
-
-- Only the **Staged** branch of `PrepareAndTryRealize`
- (`EquippedChildRenderController.cs:954-960`) reaches it in the graphical
- host; the Recovery branch does not.
-- That branch is gated by `ValidateParentProjection` (`:986-996`), which
- requires a live `LiveEntityRecord` for the parent.
-- A staged relation is staged either at the parent's live incarnation
- (`AcceptLateBoundCreateObjectRelation:846-853`), or after `Resolve`'s
- equality check (`ParentAttachmentState.cs:484-498`), or by the late-bind
- adoption (`:473-483`).
-- A parent generation change removes every staged/recovery/committed
- reference to that parent (`EndGeneration:822-827`,
- `DeleteGeneration:847-852`).
-- In the headless host (`RuntimeLiveEntitySessionController.cs:410`) relations
- originate only from `Enqueue(ParentEvent.Parsed)` and pass `Resolve`'s
- equality gate, so the tripwire is a no-op there.
-
-**What I could NOT establish:** whether `_inbound._snapshots[parent].
-InstanceSequence` (the tripwire's source, reached via `TryGetSnapshot`) can
-ever lead `_activeByGuid[parent].Incarnation` inside a re-CreateObject
-transaction — `AcceptCreate` writes `_snapshots[guid] = incoming`
-(`InboundPhysicsStateController.cs:77`) before `RegisterEntityCore` completes
-the record replacement, and the two stores are documented as "related but
-distinct" (`:1198-1210`). I found no call into `CommitProjection` inside that
-window, but I did not prove the absence exhaustively. Reporting as
-unverified. If the connected gate ever produces this exception, the message
-already names #319 and the two incarnations, which is the right diagnostic.
-
-### R7 — OBSERVATION. The hydration gate is broader than its cited retail anchor.
-
-`LiveEntityHydrationController.cs:551-562` excludes a committed child from the
-**entire** candidate loop, so `ProjectExact(CreateSupersessionRecovery)`
-(`:595`) and `ProjectExact(SpatialRecovery)` (`:614`) are also refused for it,
-not only the legacy `RebucketLiveEntity → CommitRebucket` branch (`:607`).
-
-This is what the contract pinned ("the candidate loop excludes records with a
-committed parent", §3.1) and it is behavior-preserving at HEAD (verified: a
-committed child's `projectionCellId` is `FullCellId` = 0 today). But the
-retail anchor in the comment, `update_object`'s `parent != 0` early-out
-@0x00515D40, speaks to **physics re-placement**, not to render-projection
-recovery. The broader exclusion actually rests on route 7's P4 record (a
-committed child is never a spatial root, joins no workset, has no shadow row)
-plus the fact that a child's projection is driven exclusively through
-`EquippedChildRenderController`'s realize/retry path. Worth one sentence in
-AP-142 clause (f) or the contract rather than a code change — as written the
-comment claims more anchoring than @0x00515D40 provides.
-
----
-
-## 4. The three unwritten contract tests — NONE blocks
-
-- **§6 test 5 (residence non-event).** Not blocking. I verified §3.3's premise
- directly in source rather than relying on the test:
- `RuntimeEntityObjectLifetime.InitializeAcceptedCreateResidence:2750-2752`
- reads `if (canonical.FullCellId != 0u) Entities.SetFullCell(canonical, 0u,
- 0u);` immediately before `InitialCreateResidences.Begin`. `Begin`'s
- `FullCellId != 0` refusal is therefore a defensive invariant, not a
- reachable gate, exactly as §3.3 concluded. The zero-then-re-cell atomicity
- claim remains argued-not-measured, but no production change was made at
- that site.
-- **§6 test 6 (unwield classification population).** Not blocking. The
- contract itself recorded (from `af828a8a`) that ACE advances TELEPORT_TS at
- a drop and the classifier is a short-circuit OR
- (`RuntimeAuthoritativePositionRouteClassifier.cs:391`), so the observable
- label is `teleport-ts` either way. The test would pin a flavour, not a
- behaviour the fix changes.
-- **§6 test 9 (ledger convergence).** Not blocking, and I checked why:
- `RestoreShadow`'s refusal for a committed child is byte-identical pre- and
- post-fix (the `FullCellId == 0` clause already refused every committed child
- at HEAD). The one ledger asymmetry that exists —
- `_suspendedShadowOwners.Add` on `BecameHidden`
- (`LiveEntityPresentationController.cs:172`) with no matching removal on
- `BecameVisible` because `RestoreShadow` returns false — is **pre-existing
- and unchanged**, and converges through `Forget`/`Clear` (`:117`, `:125`).
-
-The connected §7 gate (both halves, player class mandatory) remains the real
-acceptance test and has not run. That is correctly recorded in ISSUES.md's
-#319 status line, which honestly says "FIX IMPLEMENTED, awaiting the connected
-acceptance gate … NOT YET COMMITTED".
-
----
-
-## 5. Register and bookkeeping — verified row by row
-
-- **AP-146 (new row, `retail-divergence-register.md:174`).** Retail anchor
- `CPhysicsObj::SetPositionInternal` @0x00515330 **verified** — the address
- resolves to the `(CPhysicsObj*, CTransition const*)` overload (the 4-arg
- `SetPositionInternal` at @0x00515BD0 is a different function; the row cites
- the right one), and the cell write is unconditional across both branches
- (`m_position.objcell_id = …` @0x00515385 same-cell, `change_cell`
- @0x00515372 cross-cell). The three acdream writers, the
- `LocalPlayerProjectionController` landblock coarsening, and the
- `LiveEntityRuntime.cs:935-938` preserve are all cited. The risk column names
- the unresolved `ParkCollisionResidents` question **openly** rather than
- smoothing it. Register rule 1 is satisfied: this was a standing
- undocumented divergence and the diff files it. Header count 102 → 103,
- correct.
-- **AP-142 clause (f).** Every retail address in the clause
- (@0x00558a18/@0x00558a2d/@0x00558a3e, @0x00509370/@0x005093e6) was
- re-verified above and is exact. The clause states the acdream side honestly
- (the `(guid, incarnation)` key is acdream's, retail has none) and names the
- tripwire. Correct.
-- **AP-132 amendment.** The added sentence distinguishes the two producers
- correctly and does not weaken the row's own gate. Verified against the wire
- types: `ParentEvent.Parsed` carries `ParentInstanceSequence`;
- `CreateParentUpdate` carries `ChildInstanceSequence`. Correct.
-- **Route-7 contract §7 supersession blockquote.** Accurate — the old
- criterion is genuinely unfalsifiable under #319 (a zero-cell child emits no
- probe line, which the old criterion read as clean) and it points at the
- corrected positive-equality criterion. Correct.
-- **#320.** A faithful transcription of contract §2.2's five-item enumeration
- plus §9 item 2 as the mandatory first verification step, with the correct
- "do not implement without a fresh retail-conformance argument" gate. It
- inherits exactly what #319 deliberately excluded — nothing more, nothing
- less.
-
----
-
-## 6. Errors in the CONTRACT itself
-
-Two, neither material to the verdict:
-
-1. **§1 row 5 understates its own anchor** (see §1 of this review).
- `SetPositionInternal` @0x00515330 also walks `this->children` writing each
- child's `objcell_id` @0x005153AE–@0x005153D8 — retail's per-tick D2
- equivalent in the same function. This *strengthens* the equality invariant
- and AP-146; citing only the mover's own write leaves the strongest
- available evidence on the table.
-2. **§4 F4's "ISSUES.md: #319 → Recently closed with the commit SHA" was not
- executed** — correctly, since the connected gate has not run and the tree
- is uncommitted. The contract's instruction was written assuming the fix
- commit and the gate land together. Deviation is honest and recorded in the
- issue's own status line.
-
-Everything else in the contract that this review touched — §0's defect chain,
-§1's five rows, §2.1's four-consumer enumeration, §3.1/§3.2's wake mechanics,
-§3.3's residence non-event, §4 F1's pinned constraints, §5's invariants — was
-confirmed against source or pseudo-C.
diff --git a/docs/research/2026-08-05-local-player-child-propagation.md b/docs/research/2026-08-05-local-player-child-propagation.md
deleted file mode 100644
index 00b7b325..00000000
--- a/docs/research/2026-08-05-local-player-child-propagation.md
+++ /dev/null
@@ -1,494 +0,0 @@
-# The local player's equipped child never gets a canonical cell
-
-**Date:** 2026-08-05
-**Mode:** investigation, report-only. No production or test code changed.
-**Worktree:** `.claude/worktrees/peaceful-visvesvaraya-e0a196`,
-branch `claude/acdream-physics-divergence-5aa784`, HEAD `09911821`.
-**Evidence logs:** `c5-gates.log`, `c4-gates.log` (both in the worktree root,
-both captured with `ACDREAM_PROBE_CHILD_CELL=1`).
-
----
-
-## Verdict up front
-
-**No — the local player's equipped child never receives a canonical cell, and
-it cannot follow the player across a cell boundary.** Its
-`RuntimeEntityRecord.FullCellId` stays `0` for the whole attached lifetime.
-
-**This is a C4 route 7 regression** (commit `cd3129e9`), triggered by a
-**pre-existing latent bug** that route 7 removed the masking fallback for. The
-latent bug is a hard-coded `ParentInstanceSequence: 0` at
-`src/AcDream.App/Rendering/EquippedChildRenderController.cs:134`, which is wrong
-for exactly one class of parent: **players**. It dates from `8dd99605`/`fe551496`,
-long before route 7.
-
-**Scope is wider than the local player.** Any child whose parent is a *player*
-(guid `0x5xxxxxxx`) and whose relation arrives on a `CreateObject` — i.e. the
-local player's own equipment at login, and every remote player's equipment as
-they come into view — is affected. Children of creatures/NPCs/statics
-(`0x7xxxxxxx`/`0x8xxxxxxx`) are unaffected, which is why 19 of the 20
-`[child-cell]` lines in `c5-gates.log` look healthy.
-
-**The observable consequence for the user is nil** — see §5. Rendering,
-physics, picking, radar, VFX, and landblock teardown all either exclude
-attached children structurally or have an explicit `entity.ParentCellId`
-fallback. The real cost is diagnostic and architectural: route 7's own headline
-invariant is silently false for the player, and — worse — **a zero-cell child
-makes the still-owed connected acceptance gate unfalsifiable rather than
-failing loudly**, because that gate's criterion is the *presence* of
-`cause=propagate` probe lines.
-
----
-
-## 1. The symptom, restated from the logs
-
-`c5-gates.log` line 343 and `c4-gates.log` line 238 both show the App-side
-attach for the local player's weapon:
-
-```
-equipment: attached child=0x800045EE parent=0x5000000A location=RightHand placement=RightHandCombat
-```
-
-with **no** `[child-cell]` line before it. Every other attach in both logs has
-one, e.g. `c5-gates.log` 336-337:
-
-```
-[child-cell] parent=0x70007059 child=0x8000515D old=0x00000000 new=0x0007014B cause=attach
-equipment: attached child=0x8000515D parent=0x70007059 location=RightHand placement=RightHandCombat
-```
-
-The probe was demonstrably live at the time — in `c4-gates.log` two probe lines
-(210, 211) fire *before* the player's attach at 238.
-
-Across 5-6 landblock crossings with the weapon equipped, zero `cause=propagate`
-lines name `0x5000000A`.
-
-### The pattern that names the cause
-
-Sort every successful attach in both logs by parent guid prefix:
-
-| parent prefix | ACE range (`references/ACE/Source/ACE.Entity/ObjectGuid.cs:21-34`) | probe fired? |
-|---|---|---|
-| `0x5xxxxxxx` | player (`PlayerMin 0x50000001` .. `PlayerMax 0x5FFFFFFF`) | **never** (1 case: `0x5000000A`) |
-| `0x7xxxxxxx` | static landblock object (`StaticObjectMin 0x70000000`) | always |
-| `0x8xxxxxxx` | dynamic (`DynamicMin 0x80000000`) | always |
-
-Players are the only failing class. That is not a coincidence — see §2.
-
----
-
-## 2. Root cause: the committed relation is filed under the wrong parent incarnation
-
-### 2.1 ACE gives players a non-zero object-instance sequence
-
-`references/ACE/Source/ACE.Server/WorldObjects/Player_Networking.cs:34-37`:
-
-```csharp
-Character.TotalLogins++;
-CharacterChangesDetected = true;
-
-Sequences.SetSequence(SequenceType.ObjectInstance, new UShortSequence((ushort)Character.TotalLogins));
-```
-
-**A player's `ObjectInstance` sequence is its lifetime login count.** For the
-`+Acdream` test character that is a large number; for a fresh creature, item, or
-landblock NPC it is `0`.
-
-That value is written into the CreateObject physics-descriptor timestamp block
-at `references/ACE/Source/ACE.Server/WorldObjects/WorldObject_Networking.cs:419`
-(`writer.Write(Sequences.GetCurrentSequence(SequenceType.ObjectInstance)); // 8`).
-
-### 2.2 acdream parses it and stores it as the record's `Incarnation`
-
-- `src/AcDream.Core.Net/Messages/CreateObject.cs:749` reads slot 8
- (`instanceSeq`) out of the 9-sequence block.
-- `src/AcDream.Core.Net/Messages/CreateObject.cs:1156-1158` passes it into
- `Parsed.InstanceSequence`.
-- `src/AcDream.Core.Net/WorldSession.cs:233` carries it onto
- `EntitySpawn.InstanceSequence`.
-- `src/AcDream.Runtime/Entities/RuntimeEntityRecord.cs:43`:
- `public ushort Incarnation => Snapshot.InstanceSequence;`
-
-So for the local player, `record.Incarnation == TotalLogins`, **not** `0`.
-
-### 2.3 acdream hard-codes `0` when a CreateObject carries a parent
-
-`src/AcDream.App/Rendering/EquippedChildRenderController.cs:129-135`:
-
-```csharp
-Relations.AcceptCreateObjectRelation(new ParentAttachmentRelation(
- parentGuid,
- spawn.Guid,
- parentLocation,
- placementId,
- ParentInstanceSequence: 0,
- spawn.PositionSequence));
-```
-
-This is structurally forced by the wire: the child's CreateObject physics
-descriptor carries the parent's **guid and location only** — there is no field
-for the parent's instance sequence. The correct value is available
-(`_liveEntities.TryGetSnapshot(parentGuid).InstanceSequence`, which is exactly
-what `ParentAttachmentState.Resolve` uses at
-`src/AcDream.App/Rendering/EquippedChildRenderController.cs:834-836` for the
-ParentEvent path) — it is simply not read here.
-
-`ParentAttachmentState.Resolve` cannot correct it either: it early-returns on a
-relation that is already staged
-(`src/AcDream.Runtime/Entities/ParentAttachmentState.cs:425-426`), and
-`AcceptCreateObjectRelation` stages directly
-(`ParentAttachmentState.cs:391-394`).
-
-Nor does the commit validate it: `RuntimeEntityObjectLifetime.TryCommitParent`
-(`:1400-1412`) forwards guid, location, placement and the *child's* position
-sequence — it never passes `relation.ParentInstanceSequence` to a gate. So the
-attach succeeds and `equipment: attached` prints normally.
-
-### 2.4 The relation is then filed under `(playerGuid, 0)`
-
-`ParentAttachmentState.CommitProjection`
-(`src/AcDream.Runtime/Entities/ParentAttachmentState.cs:571-597`):
-
-```csharp
-_lastAcceptedByChild[relation.ChildGuid] = relation;
-var parent = new ParentIncarnation(
- relation.ParentGuid,
- relation.ParentInstanceSequence); // == 0
-...
-children.Add(relation.ChildGuid);
-```
-
-### 2.5 Both route-7 write sites read the parent's *real* incarnation, so both miss
-
-**D1 (attach re-cell)** — `RuntimeEntityObjectLifetime.CommitAcceptedParentCellless`,
-`:1532-1549`:
-
-```csharp
-if (Entities.ParentAttachments.TryGetCommittedParent(
- canonical.ServerGuid, out uint parentGuid, out ushort parentInstanceSequence)
- && Entities.TryGetActive(parentGuid, out RuntimeEntityRecord parent)
- && parent.Incarnation == parentInstanceSequence // TotalLogins == 0 -> FALSE
- && parent.FullCellId != 0u)
-```
-
-**D2 (crossing propagation)** — `RuntimeEntityDirectory.PropagateFullCellToChildren`,
-`:478-480`:
-
-```csharp
-IReadOnlyList children = ParentAttachments.ChildrenAttachedToParent(
- current.ServerGuid,
- current.Incarnation); // key (guid, TotalLogins)
-```
-
-`ChildrenAttachedToParent` (`ParentAttachmentState.cs:681-691`) looks up
-`_committedChildrenByParent[(guid, TotalLogins)]`, but the child was filed under
-`(guid, 0)`, so it returns `Array.Empty()` — **forever**, for every cell
-write the player ever makes.
-
-One cause, both observed negatives. No other hypothesis explains the exact
-player-vs-non-player split in the logs.
-
-### 2.6 A counter-reading, recorded because it is the easy mistake
-
-An independent read of this code concluded "the key pair matches by
-construction; the lookup is not the failure mode", reasoning from
-`ParentAttachmentState.Resolve`'s `parentInstance.Value ==
-relation.ParentInstanceSequence` check (`:440-454`). **That is true for the
-`ParentEvent` path and false for the `CreateObject` path**, because
-`AcceptCreateObjectRelation` stages directly (`:391-394`) and `Resolve`
-early-returns on anything already staged (`:425-426`). Anyone auditing this
-should check `AcceptCreateObjectRelation`'s producer, not `Resolve`'s consumer.
-
-The same read independently traced that the propagation *mechanism* would
-otherwise fire for the local player on **every frame** — `Project` ->
-`RebucketLiveEntity` -> `CommitRebucket` -> `SetFullCell` ->
-`PropagateFullCellToChildren`, unconditionally (`RuntimeEntityDirectory.cs:355`).
-That agreement matters: the plumbing is correct and live; only the key is wrong.
-
----
-
-## 3. Why this is a route-7 regression, not a pre-existing gap
-
-Before `cd3129e9`, `EquippedChildRenderController.TickChild` wrote the child's
-canonical cell every frame from the *parent's App-side* cell:
-
-```diff
-- _liveEntities.RebucketLiveEntity(child.ChildGuid, parentCellId);
-+ EquippedChildPresentationRebucketDisposition disposition =
-+ _liveEntities.RebucketEquippedChildPresentation(
-+ child.ChildGuid, parentCellId);
-```
-
-The old `RebucketLiveEntity` reached `CommitRebucket`
-(`src/AcDream.App/World/LiveEntityRuntime.cs:942-945`), and `CommitRebucket`
-writes the canonical cell (`RuntimeEntityObjectLifetime.cs:1959-1963`
-`Entities.SetFullCell(canonical, fullCellId, canonicalLandblockId)`). The
-replacement, `RebucketLiveEntityPresentationOnly`, deliberately never calls
-`CommitRebucket` (documented at `LiveEntityRuntime.cs:1026-1028`).
-
-**The old path took the parent's cell from `parent.ParentCellId` on the
-`WorldEntity` and keyed on nothing but the child guid.** It was structurally
-immune to the incarnation bug, and it tracked the local player *exactly*,
-because `LocalPlayerProjectionController.Project` writes
-`entity.ParentCellId = movement.CellId` every frame
-(`src/AcDream.App/Input/LocalPlayerProjectionController.cs:79`).
-
-So route 7 replaced a correct-by-accident write with a correct-by-design write
-whose design has a broken key. The register row AP-142 and the route-7 contract
-both assume the propagation hook is reached; for a player parent it never is.
-
----
-
-## 4. A second finding: even with the key fixed, the player's canonical cell does not track the player
-
-This is independent of the incarnation bug and worth knowing before anyone
-writes the fix.
-
-The local player's canonical `FullCellId` is written in only three ways
-(traced end-to-end):
-
-| when | site |
-|---|---|
-| login activation (first non-zero) | `src/AcDream.Runtime/Physics/RuntimeSetPositionState.cs:2741-2745` |
-| accepted inbound Position / ForcePosition | `RuntimeEntityDirectory.RefreshSnapshot` -> `RuntimeEntityRecord.cs:234` |
-| teleport / portal placement commit | `RuntimeSetPositionState.cs:5001-5007`; `LocalPlayerTeleportController.cs:255` |
-
-**Ordinary WASD movement never writes it.**
-`src/AcDream.App/Input/LocalPlayerProjectionController.cs:85-98` builds a
-*landblock* id (low 16 bits forced to `0xFFFF` in both the indoor branch at `:90`
-and the outdoor branch at `:97`) and passes it to `RebucketLiveEntity` at `:109`.
-`LiveEntityRuntime.cs:935-938` then computes:
-
-```csharp
-uint committedFullCell =
- (spatialCellOrLandblockId & 0xFFFFu) != 0xFFFFu
- ? spatialCellOrLandblockId
- : record.FullCellId; // landblock id -> preserve the old cell
-```
-
-so `CommitRebucket` re-commits the *identical* cell and takes the
-`previous == fullCellId` early-out (`RuntimeEntityObjectLifetime.cs:1965-1972`).
-
-Nothing in `src/AcDream.Runtime/Gameplay/` reads or writes the canonical cell at
-all (`grep -rn "FullCellId\|SetFullCell" src/AcDream.Runtime/Gameplay/` returns
-zero hits), and the local player is explicitly excluded from the ordinary
-physics updater before `CommitOrdinaryCell` can run
-(`src/AcDream.App/Rendering/LiveEntityAnimationScheduler.cs:183-227`, returning
-at `:227` ahead of the `_ordinaryPhysics.Tick` at `:376`).
-
-**Consequence for the fix:** repairing the incarnation key alone would give the
-player's weapon the *login/teleport* cell, not the player's current cell. Route
-7's model ("the parent's canonical cell write is the propagation trigger")
-is sound for remotes and creatures, whose cells are server-driven, but the
-local player is client-authoritative and its canonical cell is a coarse,
-mostly-frozen value. Whoever fixes this needs to decide which of the two is the
-child's source of truth for a client-authoritative parent.
-
----
-
-## 5. Does it matter? Observable consequence
-
-**Rendering: no.** `LiveRenderProjectionJournal.Project`
-(`src/AcDream.App/Rendering/Scene/LiveRenderProjectionJournal.cs:269-276`)
-falls back explicitly:
-
-```csharp
-uint fullCellId = record.FullCellId != 0
- ? record.FullCellId
- : entity.ParentCellId ?? 0;
-```
-
-and `TickChild` keeps `child.Entity.ParentCellId = parent.ParentCellId` current
-every frame (`EquippedChildRenderController.cs:403`). The weapon draws, culls,
-and moves with the hand exactly as before. The user should see nothing wrong.
-
-**Liveness/residency predicates: no.** The two `FullCellId == 0` guards that
-gate real behaviour —
-`LiveEntityRuntime.GetRootObjectClockDisposition` (`:2602-2612`) and
-`HasSpatialRuntimeProjection` (`:3340-3345`) — both also require
-`ProjectionKind is LiveEntityProjectionKind.World`. An attached child is always
-`Attached`, so it is excluded on the first clause regardless of its cell.
-Route 7's own P4 note (`RuntimeEntityDirectory.cs:451-465`) says the same thing
-for the physics/broadphase side: a committed child never becomes a spatial root
-and never joins a workset or shadow list.
-
-**Landblock retirement / teardown: no — checked from both ends.**
-`CanonicalLandblockId` has exactly one production reader outside the record and
-the propagation pair (`LiveRenderProjectionJournal.cs:273-274`), and that one
-has a fallback. The App unload path,
-`GpuWorldState.DetachLandblock` (`src/AcDream.App/Streaming/GpuWorldState.cs:1188-1317`),
-never destroys live entities at all — non-persistent projections park in
-`_pendingByLandblock` and merge back on reload (`:1228-1232`, `:1290-1294`) —
-and it selects from the presentation buckets, which for an attached child were
-set from `parent.ParentCellId`. The Runtime retirement sweep,
-`RuntimeSetPositionState.IsAffectedCollisionResident` (`:3930-3946`), *is*
-cell-keyed but is triple-gated against attached children: spatial-roots-only
-iteration (`:3750`), `IsSpatialRoot` (`:3942`), and an explicit
-`!ParentAttachments.HasCommittedParent(record.ServerGuid)` (`:3944-3945`). The
-weapon is neither wrongly destroyed nor wrongly retained.
-
-**Radar: no.** `ILiveEntityRadarSource`
-(`src/AcDream.App/World/ILiveEntityRadarSource.cs:10-15`) is entirely
-`WorldEntity`-based; it never reads a canonical cell.
-
-**Picking / interaction: no.** `src/AcDream.Core/Selection/WorldPicker.cs`
-contains zero cell references; picking is ray/bounds-based.
-
-**VFX and scripts on the weapon: no.** `EntityEffectController`
-(`src/AcDream.App/Rendering/Vfx/EntityEffectController.cs:445-479`) redirects an
-attached child to its parent (`:450-451`, `:460-461`) and never consults the
-child's own cell — retail-faithful, matching `update_object`'s parent early-out.
-
-**Object clock: the zero is the correct answer anyway.** An attached child's
-clock is deliberately suspended (`CommitAcceptedParentCellless` ->
-`SuspendObjectClock`, `RuntimeEntityObjectLifetime.cs:1523`), and
-`GetRootObjectClockDisposition` already returns `Suspend` on the `ProjectionKind
-is not World` clause two conditions earlier.
-
-**What DOES change:**
-
-1. **The still-owed acceptance gate is unfalsifiable, not failing.** The commit
- message's criterion is "a session counts only if `[child-cell]
- cause=propagate` lines appear". A zero-cell player child produces *no* line —
- the absence reads as "nothing happened" rather than "this is broken". Two
- captured gate logs (`c4-gates.log`, `c5-gates.log`) contain the defect and
- neither flags it. This is the thing to escalate.
-2. **Route 7's headline invariant is false for every player-parented child.**
- AP-142's model assumes the propagation hook is reached; for a player parent it
- never is, so the register row describes behaviour the code does not have.
-3. **Diagnostic reporting is wrong.** `RuntimeTraceRecorder.OnEntity`
- (`src/AcDream.Runtime/GameRuntimeEvents.cs:246-253`) is the only non-stub
- consumer of `delta.Entity.CellId`, and it records `0` for the player's weapon
- from the `Withdrawn` delta at `RuntimeEntityObjectLifetime.cs:1551-1558`.
- *Correction to an earlier reading of mine:* headless **bots** do not
- misreport — all four `HeadlessBotPolicy.OnEntity` overloads are empty method
- bodies (`src/AcDream.Headless/Policies/HeadlessBotPolicy.cs:48, 151, 281,
- 516`), and the three view queries there read the local player's own guid
- only. The exposure is trace/diagnostic, not bot behaviour.
-
-So: **not a user-visible defect today, but a real correctness defect in the
-canonical layer**, and precisely the class of stale/zero-cell residue that
-AP-142 clause (a) exists to reject.
-
-### 5.1 The fix has more blast radius than the bug
-
-Three call sites are currently *inert only because the child's cell is zero*.
-Fixing the key will wake them, so they need checking before, not after:
-
-1. `LiveEntityHydrationController.OnLandblockLoaded`
- (`src/AcDream.App/World/LiveEntityHydrationController.cs:524-600`) computes
- `projectionCellId = projection.ProjectionCellId ?? Snapshot.Position?.LandblockId ?? candidate.FullCellId`
- (`:551-553`) and filters on `projectionCellId != 0` (`:554`). A cell-less
- child is skipped — correct, since `EquippedChildRenderController` owns it.
- With a non-zero cell the weapon becomes a candidate and takes the **full
- legacy** `RebucketLiveEntity` branch (`:594-596`), which writes
- `entity.ParentCellId = spatialCellOrLandblockId`
- (`LiveEntityRuntime.cs:885-898`) — overwriting, for one frame, the value the
- render tick maintains. Likely a transient (TickChild restores it next frame),
- but it is a two-writer window route 7 exists to remove.
-2. `LiveEntityPresentationController.RestoreShadow` (`:216-236`) no-ops today on
- `record.FullCellId == 0` (`:220`). With a non-zero cell it would install a
- collision-shadow row for an equipped weapon on a Hidden->Visible edge
- (`:199`) — contradicting route 7's own P4 claim that "no child broadphase
- registration exists to rebuild" (`RuntimeEntityDirectory.cs:450-465`). The
- guard at `:218-220` checks neither `ProjectionKind` nor parentage.
-3. `RuntimeInitialCreateResidenceState.Begin` refuses to open a lease when
- `record.FullCellId != 0u` (`:583`), and `TryConvertToCellessRoute` refuses at
- `:1041`. Whether a re-`CreateObject` for an equipped item reuses the same
- record (in which case an inherited non-zero cell would block its residence)
- was not established and should be checked.
-
----
-
-## 6. Reconciling the passing headless test
-
-`RuntimeLiveEntitySessionControllerTests
-.DirectSink_D5_StandaloneParentEventCommitsChildToParentsExactCell`
-(`tests/AcDream.Runtime.Tests/Session/RuntimeLiveEntitySessionControllerTests.cs:324-368`)
-passes for two reasons, neither of which touches the defect:
-
-1. **Its parent is not a player.** `const uint parentGuid = 0x70000020u`
- (`:340`) — a static-range guid, spawned with `incarnation: 1` (`:342`).
-2. **Its relation is a standalone `ParentEvent`, not a CreateObject.**
- `sink.ParentUpdated(new ParentEvent.Parsed(..., ParentInstanceSequence: 1, ...))`
- (`:358-364`) supplies the parent's real incarnation, and
- `ParentAttachmentState.Resolve` (`:440-454`) validates it against
- `resolveInstance(parentGuid)` before staging. Key match, propagation works.
-
-The framing "a headless bot IS a local player" does not hold for this test: the
-test drives a *remote-shaped* entity through the first-entry conductor, and
-`RuntimeLiveEntitySessionController.ResolveAndCommitChildAttachment`
-(`:387-424`) only ever handles `ParentEvent`-sourced relations, which always
-carry the true sequence. **The headless drive has no
-`AcceptCreateObjectRelation` equivalent at all** — so it cannot reproduce the
-bug, and equally, headless never commits a CreateObject-carried equip.
-
-The one path that would have caught this is the gate the route-7 contract
-itself specified and the commit lists as STILL OWED
-(`docs/research/2026-08-04-c4-route-7-contract.md:788-793`): "one headless
-session where the local player equips (via the bot command surface) and crosses
-a boundary".
-
----
-
-## 7. Prediction worth testing before designing the fix
-
-If the user **unequips and re-equips** the weapon mid-session, ACE sends a
-`ParentEvent` (`GameMessageParentEvent.cs:16` writes the wielder's real
-`ObjectInstance` sequence). That path goes through `Relations.Enqueue` ->
-`Resolve`, which validates and preserves the true sequence, so the relation
-would be filed under `(0x5000000A, TotalLogins)` and **both D1 and D2 should
-start working for that weapon**, with `cause=attach` appearing immediately.
-
-If that is observed, it confirms the diagnosis end-to-end with no code change.
-It would also mean the bug is "login-equipped items only" in practice — which
-is still every item on every character at every login.
-
----
-
-## 8. Sketch of the fix (for approval, not applied)
-
-Two independent pieces:
-
-**(a) The key.** `EquippedChildRenderController.OnSpawn` should resolve the
-parent's live incarnation instead of assuming `0`:
-`_liveEntities.TryGetSnapshot(parentGuid, out spawn) ? spawn.InstanceSequence : ...`
-— the same lookup `ResolveRelations` already passes to `Resolve` at `:834-836`.
-The "parent not yet known" case must keep the relation unresolved (the deferred
-path already exists) rather than committing under a guessed key. This alone
-restores D1/D2 for player parents, and also fixes remote players' equipment.
-
-Worth auditing at the same time: `ParentAttachmentRelation.ParentInstanceSequence`
-is written by exactly two producers (`AcceptCreateObjectRelation` and
-`Enqueue`), and only one of them is correct today. A commit-time assertion that
-`relation.ParentInstanceSequence == parentRecord.Incarnation` would have made
-this loud instead of silent.
-
-**(b) The source of truth for a client-authoritative parent** (§4). Options:
-either make the local player's canonical cell track its movement (an exact-cell
-rebucket instead of the landblock-only one, which has knock-on effects on
-`isOrdinaryRoot` and the animation-scheduler exclusion), or accept that the
-child follows the parent's coarse cell and document the divergence. This is a
-design call, not a bug fix, and should be decided before (a) lands — (a) alone
-will start writing a stale-but-nonzero cell where there is currently a zero.
-
----
-
-## 9. What this is NOT
-
-- **NOT** an incarnation-drift bug. `record.Incarnation` is stable for the whole
- session: inbound updates are gated by `IsCurrentInstance` and rejected on
- mismatch, never merged (`InboundPhysicsStateController.cs:264, 1011`). The
- mismatch is present from the very first commit.
-- **NOT** a `parent.FullCellId == 0` timing race. The player's canonical cell is
- non-zero throughout play — it has to be, or
- `GetRootObjectClockDisposition` would return `Suspend` and
- `RuntimeLocalPlayerFrameController.AdvanceBeforeNetwork:96-110` would never
- call `controller.Update`, i.e. the player could not move at all.
-- **NOT** a rendering or visibility bug. The draw path has an explicit
- `entity.ParentCellId` fallback and the presentation rebucket route 7 kept
- (`RebucketEquippedChildPresentation`) is keyed on the child guid alone and
- works fine.
-- **NOT** fixable by reverting only the `TickChild` half of route 7. That would
- restore the masking write and re-create the two-writer problem route 7 exists
- to remove.
diff --git a/docs/research/2026-08-06-276-remainder-scoping.md b/docs/research/2026-08-06-276-remainder-scoping.md
deleted file mode 100644
index b7c9ebed..00000000
--- a/docs/research/2026-08-06-276-remainder-scoping.md
+++ /dev/null
@@ -1,114 +0,0 @@
-# #276 remainder — SpawnPlacementSettler settle-cell discard: scoping (2026-08-06)
-
-Analysis complete; **no production change committed.** A candidate fix was
-written, built clean, and passed the three existing settler tests — then
-**deliberately reverted**, because the only test that would *discriminate* it
-needs an EnvCell fixture that was not safe to assemble in the session that
-found this. See §4.
-
-Written at HEAD `1d2d4bb8`.
-
----
-
-## 1. The headline finding — the issue's framing is half right, and the half it misses is the whole fix
-
-`docs/ISSUES.md:1640` says the settler "commits `settle.Position` but never
-reads `settle.CellId`", so a settle crossing a cell boundary "leaves the body's
-cell at the placement cell". The symptom is real. The **outdoor** half of the
-explanation is not.
-
-`PhysicsBody.Position`'s ordinary setter already carries the world displacement
-into the landblock-relative frame **and** calls `LandDefs.AdjustToOutside`,
-which recomputes the outdoor cell index from the local origin across 24 m cell
-crossings and wraps/bumps the landblock across 192 m boundaries
-(`src/AcDream.Core/Physics/PhysicsBody.cs:279-282`). So for an outdoor→outdoor
-settle, `body.Position = settle.Position` **already lands the correct cell**.
-Discarding `settle.CellId` costs nothing there.
-
-**The real gap is EnvCells.** An EnvCell id is not derivable from a world
-position — there is nothing for `AdjustToOutside` to recompute, and its guard
-(`(cell & 0xFFFF) is >= 1 and <= 0x40`, `PhysicsBody.cs:266`) deliberately
-excludes EnvCell ids (≥ 0x100) from that path entirely. The resolver's
-`settle.CellId` is the *only* carrier of an EnvCell identity, and it is exactly
-what the settler drops. So the live defect is the issue's parenthetical —
-"outdoor/EnvCell seam, stacked EnvCells" — and not its main clause.
-
-This matters for the fix's risk profile: the change is a **no-op on the outdoor
-path that dominates production**, and corrective only at the indoor seam.
-
-## 2. The fix (validated, then reverted)
-
-Replace `body.Position = settle.Position;`
-(`src/AcDream.Core/Physics/SpawnPlacementSettler.cs:61`) with the identical
-guarded shape the per-tick resolve writeback uses at
-`src/AcDream.Runtime/Physics/RuntimeOrdinaryPhysicsUpdater.cs:162-167`:
-
-```csharp
-uint resolvedCellId = settle.CellId != 0 ? settle.CellId : cellId;
-body.CommitTransitionPosition(resolvedCellId, settle.Position);
-```
-
-This is the issue's own prescribed shape ("commit the settle's resolved cell
-through the same body/cell channel the per-tick resolve writeback uses").
-
-**Why the ordering is safe** — worth recording, because reading
-`CommitTransitionPosition` (`PhysicsBody.cs:257-277`) in isolation suggests it
-pairs the *new* cell with a *stale* local origin. It does not: line 259's
-`Position = worldPosition` runs the ordinary setter first, which updates
-`CellPosition.Frame.Origin`; line 265 then reads the **already-updated** origin.
-Retail anchor: `CPhysicsObj::SetPositionInternal(CTransition const*)`
-@0x00515330 commits both `sphere_path.curr_pos.objcell_id` and its frame,
-including EnvCells.
-
-**Verified:** `dotnet build src/AcDream.Core -c Release` → 0 errors, 0 warnings;
-`SpawnPlacementSettlerTests` 3/3 pass.
-
-## 3. Reach — one caller confirmed, one unverified
-
-| caller | passes as `cellId` | body carries a cell? |
-|---|---|---|
-| `RuntimeLocalPlayerPhysicsPublicationState.cs:812` (C3c local first-entry) | `activation.Body.CellPosition.ObjCellId` | **Yes**, by construction |
-| `LiveEntityNetworkUpdateController.cs:297` (remote spawn seed, #270) | a `cellId` parameter | **UNVERIFIED** |
-
-`CommitTransitionPosition` early-returns when `CellPosition.ObjCellId == 0`
-(`PhysicsBody.cs:261`), so on any body without a cell the fix is an inert no-op
-— safe, but it would mean #276 stays open for remotes even after the change.
-**Establish the remote body's `CellPosition` provenance before claiming the fix
-closes both halves.** The register row AD-61 covers this shared settler.
-
-## 4. Why no test was committed, and the exact test to write
-
-The three existing tests
-(`tests/AcDream.Core.Tests/Physics/SpawnPlacementSettlerTests.cs`) construct
-bodies with **no `CellPosition`**, so every one of them passes identically with
-or without the fix — they cannot discriminate it. Shipping the change against
-them would repeat the defect this campaign already paid for once (a
-conservation test that passed with its own change reverted, C5b finding D3).
-
-Per §1 the discriminating case must be **indoor**, because an outdoor fixture
-also passes both ways via `AdjustToOutside`. Required shape:
-
-1. `AddLandblock(0xA9B40000, flat terrain, [envCellSurface], portalPlanes, …)`
- with an EnvCell surface id ≥ `0x100` — build the floor with
- `CellSurfaceTests.MakeFlatFloor`'s 4-vertex quad pattern
- (`tests/AcDream.Core.Tests/Physics/CellSurfaceTests.cs:20-38`).
-2. Body seeded with `CellPosition.ObjCellId` = an **outdoor** placement cell
- (e.g. `0xA9B40001`), positioned just above the EnvCell floor.
-3. Call `TrySettle` with that outdoor cell as the wire `cellId`.
-4. **Assert** `body.CellPosition.ObjCellId == 0xA9B40100` (the EnvCell).
-5. **Sabotage that must redden it:** restore `body.Position = settle.Position`
- — the cell stays outdoor, because `AdjustToOutside` cannot invent an EnvCell.
-
-The open risk, and the reason this was not attempted at the end of a long
-session: step 1 must produce a fixture where the resolver genuinely reports the
-EnvCell in `settle.CellId`. That may require portal planes for cell membership
-(`CellTransit.FindCellList`). A fixture that silently resolves to the outdoor
-cell would make the test pass for the wrong reason in the *other* direction —
-green, and proving nothing. Verify `settle.CellId` is the EnvCell id before
-trusting the assertion.
-
-## 5. Recommended next step
-
-Write the §4 test first, watch it fail against HEAD, then apply §2 and watch it
-pass, then sabotage. One commit, ~40 lines of test, ~8 of production. Resolve §3
-in the same pass or state plainly that the remote half remains open.
diff --git a/docs/research/2026-08-06-280-d1-fix-review.md b/docs/research/2026-08-06-280-d1-fix-review.md
deleted file mode 100644
index e7b6a32f..00000000
--- a/docs/research/2026-08-06-280-d1-fix-review.md
+++ /dev/null
@@ -1,474 +0,0 @@
-# #280 D-1 fix review — commit `73cdb95c`
-
-**Date:** 2026-08-06
-**Subject:** `fix(streaming): make a demoted landblock render-ready like a
-published one (#280 D-1)`, commit `73cdb95c`, branch
-`claude/acdream-physics-divergence-5aa784`.
-**Mode:** adversarial, read-only, both lenses (retail conformance +
-architecture). No subagents; everything below was executed inline.
-
-## Verdicts
-
-| Lens | Verdict |
-|---|---|
-| **Retail conformance** | **PASS** (one LOW documentation defect) |
-| **Architecture** | **PASS** (three LOW latent risks, three style notes) |
-
-**Is D-1 genuinely closed?** Yes, for the transition it names, and the fix is
-at the state owner rather than at the predicate — the non-workaround shape.
-Verified end to end: after a Near→Far demote the landblock ends with exactly
-the spawn-adapter registration a `PublicationKind.Far` activation installs, on
-both retirement call sites, and the reveal gate reopens.
-
----
-
-## 1. What was reproduced independently
-
-Everything below was run in this worktree at `73cdb95c`, from a **genuinely
-clean rebuild** — all 42 `obj`/`bin` directories under `src/`, `tests/`,
-`tools/` deleted first, so no stale test DLL could carry a deleted symbol.
-
-| Claim | Result |
-|---|---|
-| Release build, 0 errors | ✅ reproduced (21 warnings total: 18 xUnit analyzer + 3 CS8767 nullability, all pre-existing) |
-| Full suite `-m:1`, `ACDREAM_PAK_PATH` set | ✅ **11,192 passed / 4 skipped / 0 failed** |
-| App.Tests 4157 → 4170 | ✅ App.Tests = 4,170 / 3 skips |
-| +13 net reconciles to this commit | ✅ 3 readiness Facts + 1 integration Fact + 2 warmup Facts + 7 Theory rows = 13 |
-| No new skips | ✅ 4 skips, unchanged from the `fafc0b65` baseline figure |
-| Sabotage: no-op re-assert → the four new tests fail, others pass | ✅ **4 failed / 324 passed** in the Streaming filter; the four failures are exactly the four named tests |
-| The `?? true` tautology is really dead | ✅ verified independently (below) |
-| Blast radius: four types App-internal | ✅ Headless/Runtime/Core/Core.Net/UI.Abstractions reference them only in comments; Headless tests 89/89 green |
-| Retail binary pairs with our PDB | ✅ `check_exe_pdb.py` → `MATCH` (GUID `9e847e2f-…`, linker 2013-09-06) |
-
-Per-assembly breakdown of the 11,192: App 4170/3, Bake 15, Cli 4, Content 124,
-Core.Net 764, Core 4263/1, Headless 89, Runtime 1217, UI.Abstractions 546.
-
-**Tree restored.** Both sabotages (and a third, described in L1) were reverted;
-`git status --short` is empty and the solution rebuilds clean.
-
-### 1.1 The sabotage, reproduced
-
-Inserted `if (landblockId != 0u) return;` immediately after the
-`OnLandblockUnloaded` call in
-`src/AcDream.App/Streaming/GpuWorldState.cs:1602`, rebuilt, ran the Streaming
-filter:
-
-```
-NearToFarDemote_LeavesTheLandblockRenderReadyThroughTheRealPipeline [FAIL]
-NearToFarDemote_LeavesTheLandblockRenderReadyUnderBudgetedRetirement [FAIL]
-TieredWindow_StaysResidentAfterAnOuterRingDemote [FAIL]
-OutdoorReveal_SurvivesAnOuterRingDemoteDuringTheHold [FAIL]
-Failed: 4, Passed: 324, Total: 328
-```
-
-The commit's claim was "all four fail, 315 others pass"; the true sibling count
-under a `~Streaming` filter is 324. The substance — exactly these four, nothing
-else — holds.
-
-### 1.2 The tautology-kill, verified rather than accepted
-
-The commit claims the pre-existing `WorldRevealDerivedWindowIntegrationTests`
-fixtures were stubbed out by `IsRenderReady`'s
-`(_wbSpawnAdapter?.IsLandblockRenderReady(id) ?? true)`
-(`GpuWorldState.cs:180-181`). I tested that directly: with the **production fix
-still sabotaged**, I reverted only the new D-1 integration test's world
-construction back to `new GpuWorldState()` (no adapter).
-`OutdoorReveal_SurvivesAnOuterRingDemoteDuringTheHold` **passed**.
-
-That is conclusive: the null adapter degenerated `IsRenderReady` to `IsLoaded`,
-the fixture change is load-bearing, and the new test would have been another
-green-covering-nothing test without it.
-
----
-
-## 2. Architecture lens — the four attack surfaces
-
-### 2.1 Can the re-assert fire when it must not? — No.
-
-The guard is
-`_loaded.TryGetValue(canonical, …)` **and**
-`_tierByLandblock[canonical] == Far` (`GpuWorldState.cs:1604-1611`).
-Checked by symbol against every teardown path:
-
-- **Full retirement.** `DetachLandblock` removes both maps —
- `_tierByLandblock.Remove(canonical)` at `GpuWorldState.cs:1298` and
- `RemoveLoadedLandblock` at `:1299` (→ `_loaded.Remove` at `:435`). It runs at
- `LandblockRetirementCoordinator.cs:680-682`, **before** the ticket is created
- at `:702`, so by the time `AdvanceTicket`/`AdvanceTicketOne` reach the
- `MeshReferences` stage both conditions are already false.
-- **Origin recenter.** `DetachAllForOriginRecenter` does `_loaded.Clear()`
- (`:1481`) and `_tierByLandblock.Clear()` (`:1485`) synchronously inside the
- call; `AdoptDetachedFull` only creates ledgers afterwards
- (`LandblockRetirementCoordinator.cs:393-474`).
-- **Landblock replacement at the same canonical id while a receipt is still
- draining.** Fenced. `StreamingController.IsPublicationBlockedByRetirement`
- (`:2094`) is installed as the completion queue's peek predicate (`:1707`), so
- no `Loaded`/`Promoted` completion is applied while any retirement is pending
- for that id — the one funnel every completion goes through. This is what
- makes the resurrection scenario unreachable, and it is also why the
- `retained` record the re-assert reads is guaranteed to be the post-demote
- record and not a newer generation.
-- **Near-layer retirement of a landblock that is not loaded** (pending-near or
- pending-render-ids only): `DetachNearLayer` returns a receipt without ever
- entering the `_loaded` branch (`:1854-1889`), so `_tierByLandblock` is
- untouched and the guard's `_loaded` lookup fails.
-- **Mixed-kind ordering.** NearLayer ticket pending, then a Full begins:
- `BeginCore`'s same-kind scan (`:647-668`) does not match, `DetachLandblock`
- clears both maps, and the stale NearLayer ticket's release finds nothing.
- Reverse order: `DetachNearLayer` returns `null` (`hadNearLayer` false), so no
- second ticket exists.
-
-**Verdict:** the guard cannot resurrect a registration on a genuinely unloaded
-landblock. No scenario found.
-
-### 2.2 Ordering, interleaving, double-fire, clobbering — clean.
-
-- **"Converges before the re-assert" is structurally enforced, not asserted.**
- `LandblockSpawnAdapter.OnLandblockUnloaded` ends in `ThrowFailures`
- (`:180-182`), so any unreleased reference throws out of the method and the
- re-assert is unreachable. The retirement ticket retries; the second pass
- finds the registration already dropped (`:161-162` early return), does not
- throw, and the re-assert then fires. Convergent.
-- **No reentrancy.** For a demote the re-assert's `unique` set is empty, so
- `OnLandblockLoaded` makes **zero** adapter calls. The unload's
- `DecrementRefCount` path (`WbMeshAdapter.cs:405-409`) only forwards to
- `ObjectMeshManager` and never re-enters `GpuWorldState`.
-- **Cannot fire twice per ticket.** `RunOnce`/`RunOnceStep` mark the
- `MeshReferences` stage complete on success.
-- **Cannot clobber a live registration.** This is the important one, and it is
- a real safety property rather than an accident:
- `OnLandblockLoaded` calls `MarkAllUndesired` **only** inside
- `else if (!registration.WantsLoaded)` (`LandblockSpawnAdapter.cs:103-112`).
- Re-asserting an empty set over a still-live registration therefore marks
- nothing undesired, releases only already-undesired leftovers, and re-acquires
- desired-but-unheld ones. It is a convergence step, never a teardown.
-
-### 2.3 Is the empty set genuinely empty? — Yes, verified both halves.
-
-- `DetachNearLayer` (`GpuWorldState.cs:1866-1885`) puts only `ServerGuid != 0`
- entities into `retainedLive`; every `ServerGuid == 0` entity goes to
- `retiredEntities` and `RemoveFlatEntity`.
-- `OnLandblockLoaded`'s atlas-tier filter skips exactly `ServerGuid != 0`
- (`LandblockSpawnAdapter.cs:88`). Intersection is empty by construction.
-- **Live server entities lose nothing**, because they were never registered
- here — they belong to `EntitySpawnAdapter`, and nothing in
- `ReleaseLandblockMeshReferences` touches it.
-- **Prepared (EnvCell shell) ids also match**, which the commit asserts but does
- not show. Verified: a `PublicationKind.Far` transaction builds
- `farLandblock` with `Array.Empty()` and
- `new LandblockBuild(farLandblock, Origin)` — no `EnvCells`
- (`LandblockPresentationPipeline.cs:442-464`), so
- `renderIds = transaction.Build.EnvCells?.Shells…` is `null` at `:899-901`.
- The re-assert's `additionalReadinessIds: null` therefore reproduces the Far
- registration exactly, `Prepared` dictionary included.
-- The ordering claim added to `StreamingController.cs:271-279` also checks out:
- presentation (terrain upload) commits at `PresentationCommitted`
- (`LandblockPresentationPipeline.cs:874`) **before**
- `SpatialPresentationCommitted` runs `ActivateLandblockPresentation` →
- `OnLandblockLoaded` (`:882-925`).
-
-### 2.4 All four call sites — correct, and the placement argument holds.
-
-| Site | Path | Behaviour under the new meaning |
-|---|---|---|
-| `LandblockRetirementCoordinator.cs:740` (`AdvanceTicket`, legacy) | after detach commit | full → guard fails; near-layer → re-assert. Correct. |
-| `LandblockRetirementCoordinator.cs:801` (`AdvanceTicketOne`, budgeted) | after detach commit | same. This is production's path (`CreateBudgeted`) and has its own test. |
-| `GpuWorldState.cs:1549` (`RemoveLandblock`) | after `DetachLandblock` | both maps cleared → guard fails. Correct. |
-| `GpuWorldState.cs:1907` (`RemoveEntitiesFromLandblock`) | after `DetachNearLayer` | re-assert fires. Correct — it is the same demote semantics. |
-
-The architecture review's "test-only compatibility edge" flag on
-`RemoveEntitiesFromLandblock` is accurate and harmless: `grep` shows zero
-production callers for it or for `GpuWorldState.RemoveLandblock` (the many
-`.RemoveLandblock(` hits are on `TerrainModernRenderer`, `EnvCellRenderer`,
-`CellVisibility`, `PhysicsEngine.ShadowObjects`, `CellGraph` — different
-types). Placing the fix at the state owner rather than the retirement stage is
-the right call: it covers all four with one invariant, and the two compat edges
-now agree with production instead of diverging from it.
-
-### 2.5 R-2 (composite-warmup trigger) — a real restoration, gate not weakened.
-
-Checked against `3aab05b0^` (pre-#280): `Prepare` used a single
-`radius = RequiredRenderRadius(cell)` = `OutdoorNeighborhoodRadius` = 1 for
-**both** the readiness test and `_prepareCompositeTextures`. Trigger scope ==
-domain scope. #280 widened only the gate. The new
-`_isRenderNeighborhoodReady(cell, near, near)` restores that identity.
-
-- **The gate is untouched.** `Evaluate` still calls
- `_isRenderNeighborhoodReady(cell, required.NearRadius, required.FarRadius)`
- and still ANDs `_areCompositeTexturesReady()`
- (`WorldRevealReadinessBarrier.cs:184-194`).
-- **The trigger is not a rubber stamp.** With `farRadius == nearRadius`, every
- member of `IsRenderNeighborhoodResident`'s loop satisfies `isInnerRing`, so it
- demands `IsNearTier && IsRenderReady` for the whole near square — the strict
- pre-#280 predicate, not a relaxation.
-- **Starting earlier cannot latch a stale ready.**
- `WbDrawDispatcher.PrepareCompositeTextures` is built for repeated per-frame
- calls: `RequiresCompositeWarmupRebuild` / `ShouldBeginCompositeWarmupRescan`
- run *before* the `if (CompositeTexturesReady) return` early-out (`:168-189`),
- and a rescan resets `CompositeTexturesReady` (`:330-332`). Far-tier builds
- carry no entities, so far-ring publication adds nothing to the domain anyway.
-- Two tests cover both directions
- (`Prepare_StartsWarmupOnceTheNearSubWindowIsPublished`,
- `Prepare_StillWaitsWhenTheNearSubWindowIsIncomplete`), and the first also
- asserts `IsReady` is still false.
-
-It **is** a behaviour change riding in a fix commit. It is disclosed in the
-message, scoped to warmup timing, tested, and provably a restoration rather
-than a new position. Acceptable.
-
-### 2.6 R-1 (`ParseRadius` floor 1) — correct and inert.
-
-`ACDREAM_PROBE_REVEAL_RADIUS=0` yielded `far = 0` for an outdoor destination
-(`ApplyRevealRadiusOverride`, `StreamingDiagnostics.cs:48-51`), which Runtime's
-`invalid-readiness-shape` invariant rejects on every acknowledgement. Rejecting
-it at the parser makes the probe fall back to the derivation. Diagnostic-only,
-7-case table test, no production behaviour touched.
-
-### 2.7 Blast radius across both hosts — verified.
-
-`GpuWorldState`, `LandblockSpawnAdapter`, `WorldRevealReadinessBarrier`,
-`StreamingDiagnostics` appear in `AcDream.Headless`, `AcDream.Runtime`,
-`AcDream.Core`, `AcDream.Core.Net`, `AcDream.UI.Abstractions` **only in
-comments**: `HeadlessSessionWorldProjection.cs:963`,
-`RuntimeRemotePlacementDriveController.cs:13` and `:356`,
-`RuntimeWorldTransitState.cs:576`, `WorldEntity.cs:14`. `AcDream.Headless.Tests`
-ran 89/89 green in my own clean run. C5b's "survey skipped the no-window host"
-failure mode is not repeated.
-
-Worth recording: `tests/AcDream.Core.Tests/Streaming/GpuWorldStateTwoTierTests.cs`
-exercises `GpuWorldState` from the *Core* test project. That is a test-project
-reference, not a production dependency, and all 4,263 Core tests are green — but
-it means "App-internal" is true of production only.
-
----
-
-## 3. Retail-conformance lens
-
-All addresses below were decoded from
-`C:\Users\erikn\Downloads\acclient.exe`, confirmed `MATCH` against
-`refs/acclient.pdb`. **Where a comparison or constant is load-bearing I
-disassembled rather than trusting Binary Ninja**, per the C5b/#317 lesson: BN
-prints `bool p_2 = /* unimplemented {test ah, 0x41} */` at the exact site
-AP-150 rests on.
-
-### 3.1 AP-150 clause 1 — "unconditional per tunnel rotation segment": CONFIRMED
-
-`gmSmartBoxUI::UseTime` @`0x004D6E30`. Decoded from `0x004D6FC1`:
-
-```
-004D6FC1 dc 86 40 06 00 00 fadd qword [esi+0x640] ; + teleportRotationStartTime
-004D6FC7 dc 5c 24 18 fcomp qword [esp+0x18] ; vs Timer::cur_time
-004D6FCB df e0 fnstsw ax
-004D6FCD f6 c4 41 test ah, 0x41 ; C0|C3
-004D6FD0 0f 8a de 00 00 00 jp 0x004D70B6
-```
-
-`test ah,0x41` sets PF from the popcount of `ah & 0x41`: `0x00` (segment still
-running) and `0x41` (unordered) are even → **jump taken**, into the
-angle-interpolation block at `0x004D70B6`. `0x01` (expired) and `0x40` (exactly
-equal) are odd → **fall through**, into the re-randomise + emit block. So the
-notice sits on the segment-**expired** path, which is what AP-150 says.
-
-Within that block the only conditional jumps are the temporary string's
-refcount-release guard:
-
-```
-004D708C 75 0c jnz 0x004D709A
-004D7090 74 08 jz 0x004D709A
-...
-004D709A 8d 4c 24 30 lea ecx, [esp+0x30]
-004D709E 51 push ecx
-004D709F 6a 1a push 0x1A
-004D70A1 e8 0a b5 1b 00 call 0x006925B0 ; ECM_UI::SendNotice_DisplayStringInfo
-```
-
-Both branch targets are `0x004D709A`, i.e. immediately *before* the call. There
-is no `blocking_for_cells` test, no elapsed-time test, no once-only latch. The
-emit is unconditional on every segment expiry while the state is one of
-`TAS_TUNNEL{,_FADE_IN,_CONTINUE,_FADE_OUT}`. **Claim confirmed.**
-
-### 3.2 AP-150 clause 2 — `RandDouble(0.6, 1.8)` at `0x004D6FE6`: CONFIRMED
-
-```
-004D6FE6 68 cc cc fc 3f push 0x3FFCCCCC ; hi(1.8)
-004D6FEB 68 cd cc cc cc push 0xCCCCCCCD ; lo(1.8)
-004D6FFA 68 33 33 e3 3f push 0x3FE33333 ; hi(0.6)
-004D6FFF 68 33 33 33 33 push 0x33333333 ; lo(0.6)
-004D7016 e8 b5 d3 1a 00 call 0x006843D0 ; RandDouble (symbols.json ✓)
-004D701B dd 9e 48 06 00 00 fstp qword [esi+0x648] ; teleportRotationDuration
-```
-
-`0x3FFCCCCCCCCCCCCD` = 1.8, `0x3FE3333333333333` = 0.6. cdecl pushes reverse,
-so the last push (0.6) is arg 1 → **`RandDouble(0.6, 1.8)`**, exactly as
-claimed, and `0x004D6FE6` is the correct anchor. The sibling
-`teleportRotationEndAngle = RandDouble(0, 360)` also checks out
-(`push 0x40768000` @`0x004D702D` = hi(360.0), three `push 0` for lo/0.0).
-
-acdream's `PortalTunnelPresentation.cs:62-63` are `RotationDurationMin = 0.6f`,
-`RotationDurationMax = 1.8f`, and `TickRotation` re-randomises with
-`NextDouble(0.0, 360.0)` — cadence is faithful. The arming is not:
-`RuntimeWorldTransitState.cs:66-67` `RetailWaitCueDelay = 5 s`, enforced at
-`:680` (`elapsed < RetailWaitCueDelay → return false`) with a once-only
-`WaitCueShown` latch, and `PortalTunnelPresentation.cs:380` re-emits only
-`if (_waitCueVisible)`. **"Only the arming is wrong" is exactly right.**
-
-### 3.3 AP-150 clause 3 — the 5.0 at `0x007991B0` is unrelated: CONFIRMED
-
-`CellManager::CheckPrefetchStatus` @`0x00455BE0`:
-
-```
-00455BE0 dd 05 a8 69 83 00 fld qword [0x008369A8] ; Timer::cur_time
-00455BE9 dc 66 10 fsub qword [esi+0x10] ; - last_prefetch_check
-00455BEE dc 1d b0 91 79 00 fcomp qword [0x007991B0] ; vs 5.0
-00455BF4 df e0 fnstsw ax
-00455BF6 f6 c4 41 test ah, 0x41
-00455BF9 75 2a jnz -> return 0
-```
-
-The double at `0x007991B0` is exactly `5.0`. It is a prefetch **retry throttle**
-— skip `PreFetchCells` unless 5 s have elapsed. The tunnel-cue code path
-`0x004D6FC0`–`0x004D70B2` contains no reference to `0x007991B0`. **#280's
-commit message mis-attribution is correctly retracted.**
-
-### 3.4 AP-151 — the gate is stricter than retail's DAT-residency predicate: CONFIRMED
-
-`LScape::PreFetchCells` @`0x00505660` walks the `mid_radius` square, applies the
-`>= 0x7f8` bounds test the `StreamingController` comment cites, and per member
-does only `DBObj::PreFetch` → `CACHE_OBJECT_IN_MEMORY`/`IN_FILE` → `DBObj::Get`
-non-null → `CLandBlock::PreFetchCells`. No geometry construction, no vertex
-buffers, no upload — all of that is lazy at draw. acdream's per-member predicate
-(worker DAT read, terrain mesh build, render-thread upload, spatial commit,
-collision admission, spawn-adapter activation, metered) is unambiguously
-heavier. **Claim confirmed**, and correctly recorded as the *opposite*
-asymmetry from AP-149.
-
-### 3.5 Collateral citations, all spot-checked
-
-| Citation | Result |
-|---|---|
-| `SmartBox::set_mid_radius` @`0x00453180` (#326 correction) | ✅ `symbols.json`; and `0x004531D0` is genuinely the mid-function re-arm — `CellManager::ChangePosition(cell_manager, &player->m_position, 1)` |
-| `SmartBox::SetRegion` @`0x004531F0` | ✅ and it assigns `mid_radius` from `Render::m_RenderPrefs.LandscapeDrawDistance` |
-| `Render_LandscapeDrawDistance_Values` @`0x007CA988` = {3,5,8,11,15,25} | ✅ byte-read from `.rdata` |
-| `LScape::SetMidRadius` @`0x00504C00`, `SmartBox::UseTime` @`0x00455410`, `CellManager::PreFetchCells` @`0x00455820`, `CEnvCell::PreFetchCells` @`0x0052D1E0`, `CLandBlock/CLandBlockInfo/CBldPortal::PreFetchCells` @`0x00530240`/`0x0052E7C0`/`0x0053BD00`, `gmSmartBoxUI::BeginTeleportAnimation` @`0x004D6300` | ✅ all match |
-| Wait-cue string VA `0x007BD6A8` | ✅ `push 0x7BD6A8` @`0x004D705B` |
-| Issue `#327` referenced by AP-151 | ✅ exists (`docs/ISSUES.md:1761`) |
-
----
-
-## 4. Findings
-
-### Defect — LOW (documentation)
-
-**D1. AP-150 cites the wrong address for the notice call.**
-`docs/architecture/retail-divergence-register.md:179` reads
-"`ECM_UI::SendNotice_DisplayStringInfo` call @0x004D7064". `0x004D7064` is the
-`PStringBase::PStringBase` constructor call. The
-`SendNotice_DisplayStringInfo` call is at **`0x004D70A1`**
-(`e8 0a b5 1b 00` → `0x006925B0`, which `symbols.json` confirms is
-`ECM_UI::SendNotice_DisplayStringInfo`). Every other address in the row is
-correct, and neither `docs/ISSUES.md` #329 nor the contract doc repeats the
-error. This is precisely the class of off-by-one-call-site citation error the
-same commit corrected for #326 — worth fixing so a future reader setting a cdb
-breakpoint from the register lands on the right instruction.
-
-### Latent risks
-
-**L1 — LOW. The "empty by construction" invariant is guarded, but not at the
-seam this fix newly depends on.**
-The new doc-comment on `ReleaseLandblockMeshReferences` states the re-assert is
-safe because "the retained entity list holds only live server projections,
-which the adapter's atlas-tier filter skips". I tested that dependency: I
-removed the filter (`if (entity.ServerGuid != 0) continue;`,
-`LandblockSpawnAdapter.cs:88`) and **all 4,170 App tests passed**. Only two
-tests anywhere caught it, both in `AcDream.Core.Tests`
-(`LandblockSpawnAdapterTests.OnLandblockLoaded_SkipsServerSpawnedEntities`,
-`PendingSpawnIntegrationTests.LiveEntity_ParkedBeforeLandblock_DrainsButIsNotRegisteredWithAdapter`),
-and both at the adapter's unit level rather than through a demote.
-No test demotes a landblock retaining a live server projection that carries
-`MeshRefs` — the discriminating case. The filter itself is protected, so this
-is not a defect; but if it were ever relaxed deliberately, a Far-tier
-landblock's `IsRenderReady` would start depending on live-entity mesh
-readiness, which is a D-1 variant (a live entity whose mesh never becomes ready
-makes the outer ring permanently un-ready) and nothing at the composition level
-would fail. One test with a live entity carrying a `MeshRef` through
-`BeginNearLayerRetirement` would close it.
-
-**L2 — LOW. The fix is repair-after-self-inflicted-teardown, not
-release-the-near-layer-only.**
-`ReleaseLandblockMeshReferences` unregisters then re-registers. That is
-functionally sound today because (a) nothing observes `WantsLoaded` between the
-two synchronous calls, and (b) `RunOnce`/`RunOnceStep` make the whole method
-all-or-nothing so it can never be suspended between them. The stronger shape
-would be "release the Near layer's references and leave the registration
-standing", which would carry the invariant structurally. As written, a future
-budgeted split of this method into two metered steps would silently reopen
-D-1 — the ticket-stage granularity is the only thing preventing it, and that is
-not stated at the site.
-
-**L3 — LOW. The restated P2 obligation is literally stronger than what the code
-guarantees.**
-`docs/research/2026-08-05-280-contract.md` now states: *"no transition may
-revoke `IsRenderReady` from a landblock that stays inside `FarRadius`"*. A
-Far→Near **promote** does revoke it transiently — new entity mesh references
-are registered before their upload completes — and that is correct behaviour,
-and is how the inner arm is meant to be satisfied. The obligation that actually
-holds is *"…may revoke it with no path to restoration"*. Since the first
-wording of P2 (discharged against residency instead of `IsRenderReady`) is
-exactly what let D-1 ship, the precision of the restatement matters more here
-than usual.
-
-### Style
-
-**S1.** `ReleaseLandblockMeshReferences` calls
-`_wbSpawnAdapter.OnLandblockUnloaded(landblockId)` with the **raw** id
-(`GpuWorldState.cs:1602`) but performs both guard lookups on `canonical`
-(`:1604-1611`). Production always passes canonical ids (both coordinator paths
-canonicalize at `Begin*`; both compat edges pass `retirement.LandblockId`), so
-this is inert today. But inside a nine-line method the asymmetry invites a
-future non-canonical caller into "unregister nothing, then register something",
-which the registration's idempotence would silently absorb. Canonicalize once
-at the top.
-
-**S2.** `WorldRevealDerivedWindowIntegrationTests.RecordingMeshAdapter`
-implements `IsRenderDataReady(ulong) => true`, so the mesh-readiness arm of
-`IsLandblockRenderReady` is still stubbed in that file — the sibling
-`ReadinessMeshAdapter` in `StreamingControllerReadinessTests` uses honest set
-membership. The fixture change removed the load-bearing tautology (the
-`?? true`), which is the one that mattered; this residual is worth a comment so
-the next reader does not over-read "real spawn adapter" as "real readiness".
-
-**S3.** `StreamingDiagnostics.ParseRadius` widened `private` → `internal` purely
-so the 7-case table test could call it. Reasonable, noted only because it is a
-test-driven visibility relaxation on a diagnostic owner.
-
----
-
-## 5. Process-rule compliance
-
-Checked against `CLAUDE.md`: no suppression flag, no grace period, no symptom
-guard, no retry loop, no `try/catch` swallow, no new skip, no weakened
-assertion. Skips stayed at 4. The rejected alternative
-(`|| (IsFarTier && IsLoaded)` at the gate) is correctly identified as the
-symptom-guard shape and correctly declined. The register rule was honoured —
-AP-150 and AP-151 were filed in the same commit as the finding, AD-2's false
-clause was corrected rather than left standing, AP-115 was scope-noted, and the
-user-visible presentation change (retail's unconditional emit) was filed as
-#329 rather than folded in. Known flakes #302/#308/#321 did not surface in my
-run and are not conflated with anything above.
-
-## 6. What was checked and found clean (so the PASS is auditable)
-
-Guard reachability during full retirement, removal, origin recenter, session
-reset, generation change and same-id replacement · retirement-ticket ordering
-relative to spatial detach · same-kind and mixed-kind ticket interleaving ·
-throwing-release retry semantics · adapter reentrancy into `GpuWorldState` ·
-double-fire · live-registration clobbering · atlas-tier emptiness · prepared
-(EnvCell) id parity between demote and Far arrival · terrain-upload-before-
-registration ordering · all four `ReleaseLandblockMeshReferences` call sites ·
-production-caller census for both compat edges · `Evaluate` unchanged by R-2 ·
-`IsRenderNeighborhoodResident(cell, near, near)` strictness · composite-warmup
-rescan/reopen semantics · R-1 probe floor · cross-assembly references from
-Headless/Runtime/Core/Core.Net/UI.Abstractions · clean-rebuild suite totals and
-their per-assembly decomposition · the +13 delta reconciliation · both
-sabotages · nine retail symbol addresses, four byte-level decodes, and two
-IEEE-754 constant pairs.
diff --git a/docs/research/2026-08-06-280-review-architecture.md b/docs/research/2026-08-06-280-review-architecture.md
deleted file mode 100644
index 94887968..00000000
--- a/docs/research/2026-08-06-280-review-architecture.md
+++ /dev/null
@@ -1,321 +0,0 @@
-# #280 architecture review — ownership, layering, blast radius, test quality
-
-- **Commit under review:** `3aab05b0` — *fix(streaming): derive the portal
- reveal window from the live streaming radii (#280)*
-- **Branch / HEAD:** `claude/acdream-physics-divergence-5aa784` @ `fafc0b65`
-- **Worktree:** `.claude/worktrees/peaceful-visvesvaraya-e0a196`
-- **Scope:** ownership, layering, blast radius, test quality. Retail fidelity
- is a separate reviewer's.
-- **Mode:** read-only. Production edits were made only as sabotage probes and
- reverted; the tree is clean at `fafc0b65` with no working-tree changes.
-
-## Verdict: **FAIL**
-
-One confirmed defect, reproduced end-to-end through production code paths.
-The predicate D2 widened from a 3×3 always-Near neighbourhood to the full Far
-window now demands `IsRenderReady` from landblocks that the streaming system
-**permanently** takes out of render-readiness while leaving them loaded. There
-is no code path that restores them. Under two ordinary player flows — one of
-which is the exact mid-hold radius change this commit added
-`ReconcileDestinationReservationRadius` to support — the reveal gate becomes
-unsatisfiable and the client stays in "In Portal Space - Please Wait…"
-forever.
-
-Everything else checked out. Layering held, the no-window host is genuinely
-untouched, the allocation fix is real, and the tests are unusually well
-disciplined about not re-encoding the constant under test. The failure is a
-single missed state transition, not sloppy work — but it is the failure mode
-the change's own proof obligation P2 was written to exclude, discharged
-against the wrong predicate.
-
----
-
-## Defects
-
-### D-1 — A demoted-but-loaded landblock is permanently not `IsRenderReady`, so the widened gate can never open (**CONFIRMED, reproduced**)
-
-**Severity: defect. Blocks the fix.**
-
-`src/AcDream.App/Streaming/StreamingController.cs:270-278` — the new outer arm
-requires `_state.IsRenderReady(canonical)` of every in-bounds member out to
-`farRadius`.
-
-`IsRenderReady` is not a property of "loaded":
-
-- `src/AcDream.App/Streaming/GpuWorldState.cs:179-181`
- `IsRenderReady = _loaded.ContainsKey(id) && _wbSpawnAdapter.IsLandblockRenderReady(id)`
-- `src/AcDream.App/Rendering/Wb/LandblockSpawnAdapter.cs:135-139`
- returns **false** when the landblock has no registration, or a registration
- with `WantsLoaded == false`.
-
-A Near→Far **demote** destroys exactly that registration while keeping the
-landblock loaded:
-
-- `src/AcDream.App/Streaming/StreamingController.cs:555-559`
- `DemoteLandblock` → `LandblockPresentationPipeline.EnqueueNearLayerRetirement`
-- `src/AcDream.App/Streaming/LandblockRetirementCoordinator.cs:309-312`
- a `NearLayer` ticket still runs `CoreStages`, which includes
- `LandblockRetirementStage.MeshReferences`
-- `src/AcDream.App/Streaming/LandblockRetirementCoordinator.cs:738-740`
- → `GpuWorldState.ReleaseLandblockMeshReferences`
-- `src/AcDream.App/Streaming/GpuWorldState.cs:1559-1560`
- → `LandblockSpawnAdapter.OnLandblockUnloaded` → `WantsLoaded = false`,
- registration dropped
-- `src/AcDream.App/Streaming/GpuWorldState.cs:1800-1835`
- meanwhile `DetachNearLayer` **keeps** `_loaded[canonical]` and flips
- `_tierByLandblock[canonical] = Far`
-
-Nothing re-publishes an already-loaded landblock. `RecenterTo`
-(`StreamingRegion.cs:232-244`) emits `ToLoadFar` only for ids absent from
-`_tierResidence`, and a demoted block is still present as `Far`. Only a
-**promote** back into the Near ring (`StreamingRegion.cs:239-244` →
-`PublicationKind.PromoteExisting` → `ActivateLandblockPresentation` →
-`OnLandblockLoaded`) restores the registration. Members of the band
-`NearRadius+1 … FarRadius` are never promoted, so they stay dead for the rest
-of the window's life.
-
-**Evidence (temporary probes, run then removed):**
-
-| Probe | Result |
-|---|---|
-| `GpuWorldState.IsRenderReady` after `LandblockPresentationPipeline.BeginNearLayerRetirement` (the production demote entry point) | **false** |
-| `GpuWorldState.IsRenderReady` after `GpuWorldState.RemoveEntitiesFromLandblock` (same `DetachNearLayer` + `ReleaseLandblockMeshReferences` pair) | **false** |
-| Full Near 5×5 window; `controller.IsRenderNeighborhoodResident(dest, 1, 2)` before one outer-ring demote | **true** |
-| …the same call after that single demote | **false**, and never recovers |
-
-All three probes used a real `GpuWorldState` + real `LandblockSpawnAdapter` +
-real `LandblockPresentationPipeline`.
-
-**Reachable failure scenarios**
-
-1. **Mid-hold quality change (the one this commit explicitly added code for).**
- `StreamingController.ReconfigureRadii` at `:484-488` emits
- `DemoteLandblock` for every currently-Near landblock that the new preset
- puts in the Far band. Presets are High `(4,12)` → Low `(2,5)`
- (`src/AcDream.UI.Abstractions/Settings/QualityPreset.cs:31-34`), so a
- High→Low switch demotes the Chebyshev 3–5 band, which is *inside* the new
- Far window. The gate then requires `IsRenderReady` from all of them.
- Result: the hold never ends, and
- `WorldRevealCoordinator.ReconcileDestinationReservationRadius`
- (`:521-543`) cheerfully re-opens a reservation on a square that can no
- longer converge. Note also that `NearRadius`/`FarRadius` only publish at
- transaction convergence (`StreamingController.cs:886-888`) while the
- demote mutations run earlier (`:860-876`), so for several frames the
- barrier measures the OLD wide window against blocks already demoted for
- the NEW narrow one.
-
-2. **A reveal that does not recenter the origin.**
- `LocalPlayerTeleportController.cs:934` only calls `_streaming.BeginRecenter`
- when `transition.ChangesStreamingCenter`, i.e. when the destination
- landblock differs from the **world-origin** landblock. Origin recenter is
- the only thing that clears the window (`GpuWorldState.cs:1481`
- `_loaded.Clear()`). Walking ≳ `NearRadius + 2` landblocks from the last
- origin (`StreamingRegion.cs:263-270`) demotes blocks into the Far band;
- a subsequent teleport back to the origin landblock (lifestone recall →
- travel → lifestone recall) takes the no-recenter path and inherits them.
- Blocks that land back inside the Near ring are promoted and recover;
- blocks in `near+1 … far` do not.
-
-**Why the old gate was safe:** at `OutdoorNeighborhoodRadius = 1` the required
-set was the destination's own 3×3, which during a hold is pinned to the
-streaming centre (`StreamingFrameController.SelectObserver:194-200` freezes the
-observer at `_origin` while `PlayerState.PortalSpace`) and therefore always
-Near tier. Demotion inside the Near ring cannot happen. The defect is
-introduced by this commit, not exposed by it.
-
-**Why P2 missed it.** `docs/research/2026-08-05-280-contract.md:876-884` states
-P2 as "an outer-ring member cannot be **evicted** while it is inside
-`FarRadius`" and cites the `FarRadius + 2` unload threshold. That is true and
-irrelevant: the gate's atom is `IsRenderReady`, not residency. P2 was
-discharged against the wrong predicate. Every remaining sentence of the
-static proof (hysteresis, recenter, dungeon collapse) is correct.
-
-**Also note:** the P1 test's own comment
-(`tests/AcDream.App.Tests/Streaming/StreamingControllerReadinessTests.cs:567-570`)
-describes its subject as *"A Near-shaped completion that the streaming window
-has since demoted to Far"*. It is not — it is a fresh `PublishAsFar` of a
-landblock that was never loaded, which is the case that **does** hold. The
-comment names the one case that is false. A future reader will take it as
-coverage of the demote path.
-
----
-
-## Latent risks
-
-### R-1 — `ACDREAM_PROBE_REVEAL_RADIUS=0` is accepted by the parser and rejected by Runtime
-
-`src/AcDream.App/Streaming/StreamingDiagnostics.cs:54-55` accepts any
-`value >= 0`. `ApplyRevealRadiusOverride` then yields
-`StreamingRevealWindow(0, 0)`, so `RequiredWindow` returns far = 0 for an
-**outdoor** destination, and
-`src/AcDream.Runtime/World/RuntimeWorldTransitState.cs:585-597` fails
-`invalid-readiness-shape` on every acknowledgement (outdoor ⇒ `>= 1`). The
-A/B probe would hang the route it is meant to measure. The documented value is
-`1`; the parser should refuse `0` rather than let the two halves of the same
-commit disagree. One line.
-
-### R-2 — the composite-warmup **trigger** moved onto the far window's critical path, undocumented
-
-`WorldRevealReadinessBarrier.Prepare:120-133` starts composite preparation only
-once `_isRenderNeighborhoodReady(dest, near, far)` is true. Before this commit
-that predicate was the destination's 3×3; it is now the entire 25×25. The
-commit message and D3 justify keeping the composite **radius** at `NearRadius`
-(correct — Far builds carry no entities), but say nothing about the trigger.
-Net effect: composite upload can no longer overlap far-ring streaming; the
-hold is longer than the streaming work alone requires by the whole warmup
-duration. This is a real serialisation the "expect longer holds" paragraph
-does not account for, and it is separable — warming composites at Near-ready
-would restore the overlap without weakening the gate.
-
-### R-3 — two different windows describe "destination publication incomplete"
-
-`StreamingController.cs:719-724` computes the destination-lane preference with
-`(Math.Min(NearRadius, DestinationRadius), DestinationRadius)` — live
-`NearRadius` against the *reservation's* radius — while the gate uses
-`RequiredWindow`'s `(clamp(NearRadius, 0, FarRadius), FarRadius)`. Between a
-preset change and reservation reconciliation these name different squares, so
-the work-lane prioritisation can consider the destination complete on a
-square the gate still rejects. Cosmetic today; it becomes a real starvation
-question once R-1/D-1 are fixed and holds get long.
-
-### R-4 — Runtime lost its only cross-host consistency check
-
-The `indoor ? 0 : 1` equality became `indoor ⇒ 0`, `outdoor ⇒ ≥ 1`
-(`RuntimeWorldTransitState.cs:585-597`). The layering argument is right —
-Runtime cannot learn the graphical host's streaming configuration, and
-plumbing App radii in would be exactly the C5b failure. The cost is that
-Runtime can no longer detect an App regression to a hardcoded radius: a
-future revert of D1 would emit `1` and pass. Accepted, but worth recording
-that the invariant is now shape-only and the only remaining guard on the
-value is the App-side tests.
-
----
-
-## What was checked and is sound
-
-**Layering / ownership (attack 6) — held.**
-`WorldRevealCoordinator` and `WorldRevealReadinessBarrier` are `internal` to
-`AcDream.App`. `src/AcDream.Headless/AcDream.Headless.csproj` references only
-`AcDream.Runtime`. Both non-graphical producers
-(`HeadlessSessionWorldProjection.cs:979`,
-`RuntimeLiveEntitySessionController.cs:782`) keep emitting their own
-centre-ring token and are legal under the loosened shape by construction, and
-both were annotated in place explaining why they must **not** track the
-graphical radius. No App type crossed into Runtime. `AcDream.Headless.Tests`
-passes 89/89 including its dependency/loaded-assembly guards. C5b's lesson was
-applied, not repeated.
-
-**P1 (attack 2) — independently verified TRUE, by reading rather than by
-reading the test.** `PublishAsFar` (`LandblockPresentationPipeline.cs:432-522`)
-constructs a `LoadedLandblock` with `Array.Empty()` and
-`PhysicsDatBundle.Empty`; the spatial commit
-(`LandblockPresentationPipeline.cs:900-916`) routes `PublicationKind.Far`
-through `CommitLandblockSpatial`, which returns a publication with
-`RequiresActivation` defaulted true (`GpuWorldState.cs:24`), so
-`ActivateLandblockPresentation` (`:1009-1035`) calls `OnLandblockLoaded` with
-an empty entity list and empty `AdditionalRenderIds`. The registration is
-created with `WantsLoaded = true` and both reference dictionaries empty, so
-`IsLandblockRenderReady` returns true with no `IWbMeshAdapter` upload. The one
-early-out (`GpuWorldState.cs:913-923`, a stale Far completion over a live Near
-tier) returns `RequiresActivation: false`, but that case is already
-registered. **P1 holds. The fix shape does not collapse.** Its failure is D-1,
-a different transition.
-
-Same check for the collision arm, which is equally load-bearing and was not
-called out as a proof obligation: `LandblockPhysicsPublisher.AdvanceBeginOne`
-(`:390-435`) builds the terrain surface from the heightmap with no dat bundle
-and stages it, so a Far publication does register terrain collision;
-`AdvanceDemotion` (`:675-683`) calls `DemoteCollisionToTerrain`, which
-**retains** terrain. `IsNeighborhoodTerrainResident` therefore stays satisfiable
-across a demote. The render arm is the only one that breaks.
-
-**Reveal-hang sweep (attack 1) — all other configurations converge.**
-
-| Configuration | Result |
-|---|---|
-| Map edge (coords clamped 0/254) | Safe. Gate skips `> 254` (`StreamingController.cs:265-266`); `StreamingRegion` loads up to `0xFF` (`:80`). The loaded set is a strict superset of the required set, and `PhysicsEngine.cs:157` uses the identical bound. |
-| Dungeon → outdoor | Safe. `TryCommitOriginRecenterCore:1235-1251` clears `_collapsed` for a non-dungeon destination and nulls `_region` so the next tick bootstraps the full window. |
-| Indoor destination | Safe. `RequiredWindow` returns `(0,0)` before touching the live window (`WorldRevealReadinessBarrier.cs:206-215`), so no streaming state can gate it. |
-| Recenter in flight | Safe. `Tick` is blocked while `_originRecenterRetirement` is open, radii requests defer, and `_loaded.Clear()` (`GpuWorldState.cs:1481`) guarantees every member of the rebuilt window gets a fresh publication and registration. |
-| Destination/observer landblock offset | Safe **during a hold**: `StreamingFrameController.SelectObserver:194-200` pins the observer to `_origin` while `PlayerState.PortalSpace`, so the gate's inner ring and the streaming Near ring are the same square. Worth noting the new inner arm has **zero** margin here where the old one had `NearRadius − 1`; the pin is now load-bearing. |
-| `FarRadius == 0` on an outdoor destination | Not reachable from presets (min far = 5); reachable only via R-1. |
-
-**D6 allocation fix — real, and the sabotage number is honest.**
-`PhysicsEngine.cs:49-52,146-149`. Single production call site
-(`SessionPlayerComposition.cs:384`), main thread, leaf method — the
-instance-owned scratch is safe, and it is cleared at entry so no stale state
-can leak across sessions.
-
-**Test discipline — good, with two gaps.** No test re-encodes the constant
-under test: every radius assertion references the fake window's own input
-(`WorldRevealReadinessBarrierTests`, `WorldRevealDerivedWindowIntegrationTests`).
-No new `Skip=`. No test deleted — one was renamed
-(`OutdoorReveal_JoinsNearRenderTexturesAndTerrain` →
-`RequiredWindow_IsRereadOnEveryEvaluationWithoutReconstruction`) with its
-original assertions carried into a new
-`OutdoorReveal_JoinsRenderTexturesAndTerrainOverTheDerivedWindow`; coverage is
-preserved and the +36 arithmetic holds.
-
-Gaps:
-- No test exercises a demote. That is D-1.
-- `WorldRevealDerivedWindowIntegrationTests` advertises itself as end-to-end
- against "the REAL `StreamingController`, `GpuWorldState`, and
- `PhysicsEngine`", but constructs `new GpuWorldState()` with no spawn
- adapter, so `IsRenderReady` degenerates to `IsLoaded` via the
- `?? true` at `GpuWorldState.cs:181`. The single most load-bearing predicate
- in the whole change is stubbed out by a null in the test named after it.
- It also builds its own `revealWindow` lambda rather than the production one
- in `SessionPlayerComposition.cs:373-379`, so the
- `ApplyRevealRadiusOverride` wrapper is never exercised in composition.
-
-**Sabotage spot-checks — 4 of 9 families reproduced (asked for ≥ 3).**
-
-| Sabotage | Named test(s) | Result |
-|---|---|---|
-| `PhysicsEngine`: scratch → `new HashSet()` | `WarmedNeighborhoodQuery_AtTheFarRadius_AllocatesNothing` | FAIL, **"allocated 27,712,000 bytes"** — S5's claimed figure reproduces to the byte |
-| `StreamingController`: revert tier split to `!IsNearTier \|\| !IsRenderReady` | `TieredWindow_OuterRingFarTierMemberIsResident`, `TieredWindow_AbsentOuterRingMemberIsNotResident`, `TieredWindow_MapCornerDestinationConvergesAtAWideRadius`, `OutdoorReveal_HoldsUntilTheWholeDerivedWindowIsPublished` ×2, `LoginReveal_UsesTheSameWidenedGateAsPortalArrival` | 6 FAIL |
-| `RuntimeWorldTransitState`: shape → `== (isIndoor ? 0 : 1)` | `OutdoorReadinessShape_AcceptsAnyDerivedStreamingRadius` | 6 FAIL (all inline radii) |
-| `WorldRevealCoordinator`: neuter `ReconcileDestinationReservationRadius` | `MidHoldRadiusChange_ReopensTheReservationOnTheSameGeneration` | 1 FAIL |
-
-All four reverted; `git status` clean afterwards. No sign of the C5b-D3 class
-(a test that passes with its own change reverted) in the families checked.
-
-**Suite at HEAD `fafc0b65`, Release, verified by running it:**
-`11,179 passed / 4 skipped / 0 failed` — exactly the expected
-11,178 + 1 Core settler test. Per project: UI 546, Content 124, Runtime 1217,
-Cli 4, Bake 15, App 4157/3 skips, Headless 89, Core.Net 764, Core 4263/1 skip.
-None of #302/#308/#321 surfaced in this run and none are conflated with the
-finding above.
-
-**Process rules — clean.** No suppression flag, grace period, retry loop, or
-symptom guard was introduced. `ACDREAM_PROBE_REVEAL_RADIUS` lives in a
-diagnostic owner per Code Structure Rule 5 and is correctly argued as a
-measurement probe rather than a shipped knob. `AD-2` was amended and `AP-149`
-filed in the same commit, satisfying the divergence-register rule. The
-`ACDREAM_STREAM_RADIUS` CLAUDE.md correction is accurate against
-`SessionPlayerComposition.ComposeCore:249-257`.
-
----
-
-## Recommended disposition
-
-Do not ship the gate widening until D-1 is closed. The two shapes worth
-considering, in preference order:
-
-1. **Make a demote re-register the Far tier.** The demote already leaves a
- fully valid Far-tier landblock behind; the registration it drops is the
- *Near* mesh set. `LandblockRetirementStage.MeshReferences` on a `NearLayer`
- ticket should release the Near references and then re-assert an empty
- Far registration, exactly as `PublishAsFar` does — i.e. the same
- `OnLandblockLoaded(landblock, empty)` call the Far publication makes.
- This makes `IsRenderReady` mean "drawable at its current tier", which is
- what both the render path and the gate already assume it means.
-2. **Re-publish demoted members inside a destination reservation.** Weaker:
- it fixes the gate without fixing the predicate, and leaves the next caller
- of `IsRenderReady` holding the same trap.
-
-Whichever is chosen, it needs a test at the demote transition —
-`Near publish → demote → IsRenderNeighborhoodResident(dest, near, far)` — and
-the `WorldRevealDerivedWindowIntegrationTests` fixture should be given a real
-`LandblockSpawnAdapter` so its `IsRenderReady` stops being a tautology.
-R-1 and R-2 are one-line and one-decision respectively and can ride along.
diff --git a/docs/research/2026-08-06-280-review-retail.md b/docs/research/2026-08-06-280-review-retail.md
deleted file mode 100644
index 926a1d8f..00000000
--- a/docs/research/2026-08-06-280-review-retail.md
+++ /dev/null
@@ -1,577 +0,0 @@
-# #280 retail-conformance review — portal destination prefetch
-
-**Commit under review:** `3aab05b0` (`fix(streaming): derive the portal reveal
-window from the live streaming radii (#280)`), on branch
-`claude/acdream-physics-divergence-5aa784` in worktree
-`.claude/worktrees/peaceful-visvesvaraya-e0a196`. HEAD at review time is
-`fafc0b65` (one later, unrelated: #276's settler fix).
-
-**Reviewer role:** retail-conformance. Read-only. Contract
-(`docs/research/2026-08-05-280-contract.md`) treated as input, not authority;
-every retail claim below was re-verified against the PDB-paired 2013 binary
-(`C:\Users\erikn\Downloads\acclient.exe`, `check_exe_pdb.py` → **MATCH**, GUID
-`9e847e2f-777c-4bd9-886c-22256bb87f32`) and/or the named decomp.
-
----
-
-## VERDICT: **FAIL**
-
-One high-severity defect: **the reveal gate's outer (Far) arm uses a predicate
-that a DEMOTED landblock can never satisfy**, so the outdoor reveal can hang
-permanently on a reachable player action (two consecutive recalls to the same
-landblock with walking in between). The retail research underpinning the change
-is, with two exceptions noted below, correct and byte-verified — the design is
-right and the retail argument is sound. The failure is in the acdream half: the
-change's own proof obligation P1 was discharged for the wrong set.
-
-Findings ranked by severity. F1 blocks; F2–F3 are bookkeeping/argument defects;
-F4–F7 are minor.
-
----
-
-## F1 — HIGH — the Far arm's predicate is unsatisfiable for a demoted landblock; the reveal can hang forever
-
-### What the change assumes
-
-`StreamingController.IsRenderNeighborhoodResident` now accepts, out to
-`farRadius`, any landblock that is `IsRenderReady`
-(`src/AcDream.App/Streaming/StreamingController.cs:274-279`):
-
-```csharp
-if (!_state.IsRenderReady(canonical))
- return false;
-bool isInnerRing = Math.Abs(dx) <= nearRadius && Math.Abs(dy) <= nearRadius;
-if (isInnerRing && !_state.IsNearTier(canonical))
- return false;
-```
-
-The in-code rationale (`StreamingController.cs:266-268`) and the AD-2 amendment
-both justify this as: *"a Far-tier publication registers with the spawn adapter
-and an empty mesh set, so this is a real drawability test out there, not a
-stamp."*
-
-That is true for a landblock that **arrived** as Far. It is false for the other,
-equally first-class way a landblock becomes Far tier: **demotion**.
-
-### What actually happens
-
-`GpuWorldState.IsRenderReady` (`src/AcDream.App/Streaming/GpuWorldState.cs:179-181`):
-
-```csharp
-public bool IsRenderReady(uint landblockId) =>
- _loaded.ContainsKey(landblockId)
- && (_wbSpawnAdapter?.IsLandblockRenderReady(landblockId) ?? true);
-```
-
-`LandblockSpawnAdapter.IsLandblockRenderReady`
-(`src/AcDream.App/Rendering/Wb/LandblockSpawnAdapter.cs:135-139`) returns
-`false` the moment `registration.WantsLoaded` is false.
-
-The Near→Far demote path clears exactly that flag:
-
-- `StreamingController.cs:1013` (`foreach (var id in diff.ToDemote) DemoteLandblock(id);`)
- and `StreamingController.cs:487` (the `ReconfigureRadii` mutation) →
-- `StreamingController.DemoteLandblock` (`StreamingController.cs:555-559`) →
- `_presentation.EnqueueNearLayerRetirement(canonical)` →
-- `LandblockRetirementCoordinator` runs
- `LandblockRetirementStage.MeshReferences` →
- `_state.ReleaseLandblockMeshReferences(ticket.LandblockId)`
- (`src/AcDream.App/Streaming/LandblockRetirementCoordinator.cs:739-740`, and the
- stepped variant at `:799-803`) →
-- `GpuWorldState.ReleaseLandblockMeshReferences`
- (`GpuWorldState.cs:1559-1560`) → `_wbSpawnAdapter.OnLandblockUnloaded(id)` →
-- `LandblockSpawnAdapter.OnLandblockUnloaded`
- (`LandblockSpawnAdapter.cs:159-166`) sets `registration.WantsLoaded = false`.
-
-Meanwhile `GpuWorldState.DetachNearLayer` (`GpuWorldState.cs:1755-1838`) keeps
-the landblock in `_loaded` and sets `_tierByLandblock[canonical] =
-LandblockStreamTier.Far`. Nothing re-registers it. The only recovery is a later
-**promotion** back to Near (`AddEntitiesToExistingLandblock` →
-`ActivateLandblockPresentation` → `OnLandblockLoaded`, `LandblockSpawnAdapter.cs:103-111`)
-or a full unload + reload.
-
-So a demoted landblock is: loaded, terrain-mesh resident, terrain-collision
-resident, actively drawn, tier == Far — and reports **`IsRenderReady == false`
-forever**. It fails the Far arm, and (being Far tier) it would also fail the
-Near arm. It satisfies *no* arm of the gate.
-
-The physics arm is unaffected — `PhysicsEngine.DemoteLandblockToTerrain`
-(`src/AcDream.Core/Physics/PhysicsEngine.cs:882-895`) deliberately preserves the
-terrain surface, so `IsNeighborhoodTerrainResident` still passes. The render arm
-is the only one that breaks, and it is enough.
-
-### Why this is new with #280
-
-Pre-#280 the outdoor gate was a fixed radius-1 square around the destination
-(`OutdoorNeighborhoodRadius = 1`) requiring `IsNearTier && IsRenderReady`. Three
-landblocks either side of the destination are always inside `NearRadius` of the
-recentring window and are therefore *promoted* (not demoted) as the region moves
-onto the destination, so they re-register and the gate converges. Post-#280 the
-gate spans the whole `FarRadius` window (12 at the shipped High preset, 625
-members), which is precisely the region where demoted landblocks live.
-
-### Reachability — a plausible, ordinary player action
-
-The safe path is a portal that recenters the world origin: `BeginRecenter` →
-`DetachAllForOriginRecenter` → `_region = null` (`StreamingController.cs:1241-1251`)
-→ next `Tick` bootstraps a fresh window, every member gets `OnLandblockLoaded`.
-
-The unsafe path is a portal that does **not** recenter.
-`TeleportLandblockTransition.ChangesStreamingCenter`
-(`src/AcDream.App/Streaming/TeleportLandblockTransition.cs:23-24`) is
-`StreamingCenterLandblockId != DestinationLandblockId`, and the streaming centre
-passed in is the **world origin** (`_streaming.CenterX/CenterY` at
-`src/AcDream.App/Streaming/LocalPlayerTeleportController.cs:899-911`), which
-moves only on teleport — never while walking. So:
-
-1. Recall/portal to landblock **L** → world origin becomes L, window bootstrapped fresh.
-2. Walk outward several landblocks. The streaming *region* follows the player
- (`StreamingFrameController.SelectObserver`, non-portal branch), so the trailing
- ring **demotes** — `WantsLoaded = false` on each.
-3. Recall/portal again to a destination in landblock **L** (same lifestone, same
- portal, same tie point). `ChangesStreamingCenter` is now **false** → no origin
- recenter, no detach-all.
-4. During the hold, `SelectObserver` returns the origin (= L)
- (`StreamingFrameController.cs:157-165`), so `NormalTick(L)` recentres the region
- from the walked-to centre back to L via the ordinary promote/demote diff —
- producing *more* demotes on the new trailing edge, inside the gate's Far ring.
-5. Those members can never become `IsRenderReady`. `WorldRevealReadinessBarrier.Evaluate`
- never returns `IsReady`. **The client stays in portal space indefinitely.**
-
-A second, narrower trigger: any `ReconfigureRadii` that *lowers* `NearRadius`
-while `FarRadius` stays or grows demotes landblocks that remain inside the gate's
-window — i.e. the very mid-hold Settings change D1 was written to support.
-
-### Secondary consequence
-
-`StreamingController.Tick` (`StreamingController.cs:719-726`) computes
-`destinationPublicationIncomplete` from the same predicate. Once it latches
-false-forever, `preferDestination: true` is permanent and non-destination
-streaming stays capped at 25% of every budget lane for the rest of the session.
-
-### Observable in-game consequence
-
-Wormhole tunnel + centered "In Portal Space - Please Wait..." forever, no world,
-no recovery short of relog. Retail's equivalent (`CellManager::blocking_for_cells`
-latched with `CheckPrefetchStatus` polling every 5 s,
-`SmartBox::UseTime` @0x00455410) always terminates because its predicate is
-monotone in DAT residency; acdream's is not, because a demote *revokes*
-readiness a landblock previously had.
-
-### Corroboration
-
-A previous review session's probe file
-(`tests/AcDream.App.Tests/Streaming/ZzReviewProbeTests.cs`, since deleted, still
-compiled into the prebuilt `AcDream.App.Tests.dll` of 2026-08-06 06:59) fails
-with exactly:
-
-```
-Probe_DemotedLandblockStillRenderReady — "demoted landblock is NOT render ready -> #280 far arm unsatisfiable"
-Probe_DemotedViaStateEdgeStillRenderReady — same
-Probe_TieredGateConvergesAfterAnOuterRingDemote — "the reveal gate can no longer be satisfied after a demote"
-```
-
-I treated that file as untrusted data and derived the finding independently from
-the source trace above; the failing probe is corroboration, not the basis.
-
-### What a fix has to decide (not prescribed here)
-
-The honest question is what "drawable at Far distance" means. Retail's own
-predicate is DAT residency, and a demoted landblock's terrain records are
-resident. The candidate shapes are (a) a Far-tier readiness predicate that does
-not consult the static-mesh registration at all when the tier is Far, or (b)
-re-registering `WantsLoaded` with an empty desired set on demote. Both are
-behaviour changes outside a review's remit.
-
----
-
-## F2 — MEDIUM — the commit's retail-convergence argument for the wait cue is wrong on both clauses
-
-The commit message closes with:
-
-> retail emits the byte-identical string for the whole duration of a blocked
-> prefetch and polls at 5 s intervals
-
-Neither half survives the binary.
-
-**The string is byte-identical — verified.** UTF-16LE
-`"In Portal Space - Please Wait..."` lives at VA **0x007BD6A8** (file offset
-0x3BD6A8); the construction site the contract cites, 0x004D7064, is the
-`PStringBase` ctor call that pushes it (`68 a8 d6 7b 00` at
-0x004D705E). acdream's literal at
-`src/AcDream.App/Rendering/PortalTunnelPresentation.cs:297,381` matches exactly.
-
-**But its trigger is the tunnel rotation segment, not the prefetch.** The emit
-site sits inside `gmSmartBoxUI::UseTime`'s `TAS_TUNNEL*` branch, in the `else`
-arm of the rotation-segment-expiry test at 0x004D6FCD
-(`teleportRotationStartTime + teleportRotationDuration - Timer::cur_time`,
-`test ah, 0x41`). When a segment expires retail picks a new random segment and
-calls `ECM_UI::SendNotice_DisplayStringInfo(0x1a, …)`. Byte-decoded constants at
-0x004D6FE6-0x004D7049:
-
-```
-68 cc cc fc 3f 68 cd cc cc cc push 0x3ffccccc / 0xcccccccd -> 1.8
-68 33 33 e3 3f 68 33 33 33 33 push 0x3fe33333 / 0x33333333 -> 0.6
-68 00 80 76 40 6a 00 6a 00 6a 00 push 0x40768000, 0,0,0 -> RandDouble(0.0, 360.0)
-```
-
-i.e. `teleportRotationDuration = RandDouble(0.6, 1.8)` s and
-`teleportRotationEndAngle = RandDouble(0, 360)`. Retail therefore shows the
-notice **unconditionally, from 0.6–1.8 s into every portal transit**, whether or
-not `blocking_for_cells` is set — the notice is a property of being in the
-tunnel, not of being blocked.
-
-**The 5 s figure belongs to a different mechanism.**
-`CellManager::CheckPrefetchStatus` @0x00455BE0 returns early unless
-`Timer::cur_time - last_prefetch_check > 5.0` (constant byte-verified at
-0x007991B0: `00 00 00 00 00 00 14 40` = double 5.0). That is the prefetch retry
-cadence. It has nothing to do with the UI notice.
-
-**acdream diverges.** `RuntimeWorldTransitState.RetailWaitCueDelay =
-TimeSpan.FromSeconds(5)` (`src/AcDream.Runtime/World/RuntimeWorldTransitState.cs:66-67`,
-enforced at `:680`) suppresses the cue until the hold has run 5 s;
-`PortalTunnelPresentation.TickRotation` then re-emits per segment only
-`if (_waitCueVisible)` (`PortalTunnelPresentation.cs:378-380`). acdream's own
-segment constants (`RotationDurationMin = 0.6f`, `RotationDurationMax = 1.8f`,
-`PortalTunnelPresentation.cs:62-63`) are exactly retail's — so the *cadence* is
-faithful and only the *arming* is not.
-
-This divergence pre-dates #280 (it is not introduced here), but:
-
-1. It is **not registered as a divergence**. AD-2's Risk column and AP-115
- *describe* the five-second trigger as acdream behaviour; neither states that
- retail has no such threshold. A reader of the register cannot learn that
- acdream is late by 3.2–4.4 s on every single portal.
-2. #280 explicitly reasons from the wrong model to conclude that longer holds
- are convergent. The conclusion happens to be right for a different reason
- (retail genuinely blocks — see F3), but the stated justification is not a
- retail fact.
-
-**Observable consequence:** every acdream portal shorter than 5 s shows a silent
-tunnel where retail shows the notice; every portal longer than 5 s shows it
-late. #280 makes holds longer, which masks rather than fixes this.
-
----
-
-## F3 — MEDIUM — unfiled: acdream's gate is now materially STRICTER than retail's prefetch predicate, and nothing records the hold-duration asymmetry
-
-AP-149 records the direction in which acdream is *weaker* than retail (outer
-ring accepts terrain-only). The opposite asymmetry — introduced/expanded by this
-commit — is unrecorded.
-
-Retail's `LScape::PreFetchCells` @0x00505660 requires, per square member, only
-that the DAT records be **resident in memory**:
-
-```
-eax_15 = DBObj::PreFetch(landblock|0xFFFF, 1)
-if (IN_MEMORY || IN_FILE) { eax_17 = DBObj::Get(...); if (eax_17) CLandBlock::PreFetchCells(eax_17) ... }
-```
-
-`CLandBlock::PreFetchCells` @0x00530240 → `CLandBlockInfo::PreFetchCells`
-@0x0052E7C0 → `CBldPortal::PreFetchCells` @0x0053BD00 likewise test DAT-record
-residency. **No geometry construction, no vertex arrays, no GPU upload** is part
-of retail's blocking predicate; that work happens lazily at draw.
-
-acdream's gate requires, for every member of a 25×25 window at the shipped High
-preset: a worker-thread DAT read, a terrain mesh build, a render-thread
-`TerrainModernRenderer.AddLandblock` upload
-(`src/AcDream.App/Rendering/TerrainModernRenderer.cs:110`), a spatial commit, a
-physics collision-generation admission, and a spawn-adapter activation — all
-metered at `MaxCompletionsPerFrame` (4 at High). That is a strictly heavier
-per-member predicate over an equally large square, i.e. the hold is
-systematically longer than retail's for identical content.
-
-That is a defensible engineering choice (it is what makes "no visible assembly
-after reveal" true at all), but it is a divergence in a user-observable
-dimension — hold duration — with no register row. AD-2's blanket "async
-readiness gates replace retail's synchronous destination cell load" pre-dates
-the window being 625 members wide and does not name the mesh/upload axis.
-
-**Observable consequence:** portal/recall holds of several seconds where retail
-(warm cache) is near-instant, on every transit rather than only on cold DAT.
-Nothing in the register or ISSUES predicts or bounds this.
-
----
-
-## F4 — LOW — #326's cited address for `SmartBox::set_mid_radius` is wrong
-
-`docs/ISSUES.md` #326 cites *"pushed into `SmartBox::set_mid_radius`
-@0x004531D0"*. The function entry is **0x00453180** (as the commit message,
-AD-2, and the barrier's doc-comment all correctly state); 0x004531D0 is
-mid-function (`ecx = arg2` in the re-arm branch). Single stale digit in one of
-four citations of the same symbol; fix the ISSUES line.
-
----
-
-## F5 — LOW — "`Render::zfar` = 4000 fixed, never bounding the landscape" is true at default, false at Extreme
-
-`Render::zfar` **is** byte-verified 4000.0f — VA 0x0081EC88 holds
-`00 00 7a 45` = 4000.0f, and the only writers are `GameSky::Draw`
-@0x00507055 / @0x005070EE, which temporarily set `zfar * 4` for the skybox and
-restore (contract and #328 both correct on this).
-
-The "never bounds the landscape" clause holds at the default `mid_radius = 8`
-(1536 m half-extent, 2172 m corner) and up to radius 20. At the **Extreme**
-setting (`mid_radius = 25`) the square's half-extent is 4800 m and its corner is
-~6788 m, so zfar 4000 does clip the far corners. Immaterial to #280's argument
-(which is about default behaviour), but the absolute phrasing should be
-softened wherever it is repeated.
-
----
-
-## F6 — LOW — gate/region map-edge bounds disagree (safe direction, but inconsistent)
-
-`IsRenderNeighborhoodResident` and `PhysicsEngine.IsNeighborhoodTerrainResident`
-skip coordinates outside **0..254** (`StreamingController.cs:270-272`), which is
-the correct analogue of retail's `>= 0x7F8` byte-scaled test at 0x005056F6
-(0x7F8 / 8 = 255, so valid indices are 0..254 — verified).
-
-`StreamingRegion` bounds-checks against **0..0xFF**
-(`src/AcDream.App/Streaming/StreamingRegion.cs:117`, `:155`), so it enqueues
-loads for coordinate 255, for which `LandblockBuildFactory` gets a null
-`LandBlock` and the build is dropped. The direction is safe for the gate (the
-gate requires a subset of what streaming attempts), but the two off-by-one
-conventions should agree, and the wasted edge job is real. Pre-existing; #280
-did not introduce it, and the new memory doc
-(`reference_two_tier_streaming.md`) documents only the gate's convention.
-
----
-
-## F7 — INFO — the mid-hold re-radius claim holds only for outdoor load positions
-
-The claim that retail's answer to a mid-hold radius change is "reset, re-radius,
-re-arm at the NEW value" is confirmed, with one condition worth recording.
-`LScape::SetMidRadius` @0x00504C00 is:
-
-```c
-if (arg2 < 1 || this->land_blocks != 0) return 0;
-this->mid_radius = arg2;
-this->mid_width = (arg2 * 2) + 1;
-return 1;
-```
-
-It **refuses** while `land_blocks` is allocated. `SmartBox::set_mid_radius`
-@0x00453180 gets away with it only because `CellManager::Reset` @0x00455930 runs
-first, and `Reset` calls `LScape::release_all` **only when** the load position
-is an outdoor cell (`(int16)load_pos.objcell_id < 0x100`) or the current cell has
-`seen_outside != 0`. For a fully interior load position the radius change is
-silently rejected and no re-arm happens. Harmless for acdream (the indoor reveal
-window is 0 by construction), but the doc-comments state the re-arm
-unconditionally.
-
-Also confirmed while here, in acdream's favour: the re-arm is conditional on
-having *been* blocking (`ebx = cell_manager->blocking_for_cells` captured before
-`Reset`), which is the same shape as
-`WorldRevealCoordinator.ReconcileDestinationReservationRadius`'s
-`StreamingRegistered && !StreamingReleased` guard
-(`src/AcDream.App/Streaming/WorldRevealCoordinator.cs:512-541`).
-
----
-
-## Answers to the four required questions
-
-### Q1 — enum values, default, and the derived-window analogue
-
-**Byte-verified.** `Render_LandscapeDrawDistance_Values` at VA 0x007CA988 (file
-0x3CA988) reads:
-
-```
-03 00 00 00 05 00 00 00 08 00 00 00 0b 00 00 00 0f 00 00 00 19 00 00 00
-```
-
-= `{3, 5, 8, 11, 15, 25}`. Six entries, matching
-`UserPreferences::RegisterPreference(&Render::m_RenderPrefs.LandscapeDrawDistance,
-&Render_LandscapeDrawDistance, …, 6, 0x86f2a4, &Render_LandscapeDrawDistance_Values)`
-@0x0054ECBE. Labels `VeryLow/Low/Medium/High/VeryHigh/Extreme`
-(0x006C363A ff.). **Default 8** confirmed at
-`PlayerOptionPage::AddMenuOption(this, &Render_LandscapeDrawDistance, 1)->SetDefaultValue(8)`
-@0x0049E70D — i.e. the "Medium" row.
-
-The 1:1 "prefetch = loaded = drawn" assertion — the contract's load-bearing
-claim — **holds**:
-
-- `LScape::SetMidRadius` @0x00504C00: `mid_width = mid_radius * 2 + 1`.
-- `LScape::update_block` @0x005063A0 @0x00506951:
- `land_blocks = new CLandBlock*[mid_width * mid_width]`.
-- `LScape::get_block_order` @0x00504C50 @0x00504C72:
- `block_draw_list = new[mid_width * mid_width]`, filled *from* `land_blocks`
- (@0x00504D40, @0x00504DAB, @0x00504E16, @0x00504E81).
-- `LScape::PreFetchCells` @0x00505660 iterates `-mid_radius .. +mid_radius` on
- both axes over that same square.
-- `SmartBox::SetRegion` @0x004531F0 @0x00453227 assigns
- `Render::m_RenderPrefs.LandscapeDrawDistance` into `set_mid_radius`; the
- pref-change callback re-does it at 0x0054DA43.
-
-One number, one square, three roles. Retail cannot stream farther than it gates.
-
-**Is acdream's derived window a faithful analogue?** Structurally yes, with one
-caveat worth stating. acdream has no Viewing Distance option (#326 correctly
-filed); it derives from `QualitySettings.FarRadius`
-(`src/AcDream.UI.Abstractions/Settings/QualityPreset.cs:31-34`, ladder
-5 / 8 / 12 / 15 for Low / Medium / High / Ultra, default High = 12). Two notes:
-
-- The ladders are not the same set — retail's `{3,5,8,11,15,25}` vs acdream's
- `{5,8,12,15}` — and the *defaults* differ materially: retail 8 (17×17),
- acdream 12 (25×25). acdream's default gate is therefore ~2.2× retail's in
- area. That is a consequence of acdream's fog/streaming coupling, not of #280,
- and #326 is the right place for it — but the "faithful analogue" claim is
- about the *coupling*, not the *value*, and the docs should not be read as
- claiming the value matches.
-- `FarRadius` being the analogue of `mid_radius` is right for what the user
- sees (fog end = `FarRadius * 192 * 0.95`,
- `src/AcDream.App/Rendering/WorldRenderFrameBuilder.cs:484`).
-
-### Q2 — does retail block, and is a longer hold retail-convergent?
-
-**Retail blocks, hard — verified.** `SmartBox::UseTime` @0x00455410:
-
-```c
-if (cell_manager->blocking_for_cells == 0) {
- ... CheckPrefetchStatus / UpdateLoadPoint / ChangePosition
- CObjectMaint::UseTime; CPhysics::UseTime; GameTime::UseTime;
- LScape::UseTime; Ambient::UseTime;
-} else {
- CellManager::CheckPrefetchStatus(cell_manager); // and nothing else
-}
-```
-
-While `blocking_for_cells` is latched the entire simulation — object
-maintenance, physics, game clock, landscape, ambient — is skipped. Only
-`SceneTool::Think()` and the queue drain still run.
-`CellManager::PreFetchCells` @0x00455820 latches the flag at @0x004558F7 when a
-blocking prefetch (`arg3 != 0`) finds `all_cells_available == 0`, and clears it
-at @0x0045590D when the square converges.
-
-So **a longer hold is retail-convergent in kind.** #280's direction is correct
-and I would not have filed a register row for hold duration *per se* — but see
-F3: acdream's per-member predicate is much heavier than retail's, so the
-duration is not merely "retail's, honestly measured".
-
-**What retail shows while blocked.** Two things, and acdream has neither
-correctly:
-
-1. `ECM_DDD::SendNotice_RuntimeDDDStatus(1, remaining, total)` at
- `CellManager::PreFetchCells` @0x004558DE — a live "N of M cells" progress
- readout, cleared with `(0,0,0)` at @0x00455910 / @0x00455994. **#327 filed
- for this, correctly.**
-2. If the block coincides with a teleport, the portal tunnel and the
- "In Portal Space - Please Wait..." notice — but, per **F2**, that notice is
- driven by the tunnel rotation segment (0.6–1.8 s, unconditional), not by the
- block, and acdream's 5 s arming threshold is not retail's trigger. The
- contract is right to say the 5 s threshold is not retail's; the commit
- message then contradicts it.
-
-### Q3 — is AP-149 honest and correctly scoped?
-
-**Yes, and its retail chain is exactly right.** I verified every link:
-
-- `LScape::PreFetchCells` @0x00505660 walks the whole square and, per member,
- requires the terrain DBObj resident (`DBObj::Get` non-null, @0x0050575C); on
- in-file-but-not-loaded it kicks a prefetch of the type-2 LandBlockInfo record
- (`(esi & 0xfffffffe) | 0xfffe`, @0x0050579C) and reports not-ready.
-- `CLandBlock::PreFetchCells` @0x00530240 requires the LandBlockInfo record when
- `lbi_exists`.
-- `CLandBlockInfo::PreFetchCells` @0x0052E7C0 loops every building and every one
- of its portals into `CBldPortal::PreFetchCells` @0x0053BD00.
-
-And acdream's Far build is genuinely heightmap-only:
-`LandblockBuildFactory.BuildLocked` (`src/AcDream.App/Streaming/LandblockBuildFactory.cs:129-141`)
-early-outs for `LoadFar` with `Array.Empty()` and
-`PhysicsDatBundle.Empty`, skipping LandBlockInfo, scenery, buildings, and
-interior cells. The row's claim list is accurate, its risk column names the
-right symptom (distant buildings/scenery popping in after reveal), and its
-"do not let a later closeout claim parity" line is the right guard.
-
-**Is it larger than the row admits?** Two qualifications, neither fatal:
-
-- The row is scoped to the *outer* ring. Correct today. But it does not say that
- the boundary between "retail-complete" and "terrain-only" is `NearRadius`,
- which at High is 4 (768 m) against retail's uniform 8 (1536 m at default) —
- so acdream's fully-hydrated square is *smaller* than retail's entire prefetch
- square, not just its inner part. The stated ~768 m threshold in the row's Risk
- column captures this numerically; the framing ("outer ring") slightly
- understates that retail has no inner/outer distinction at all.
-- The row does not mention that the same terrain-only outer ring is what makes
- F1's demote hole reachable. That is a defect, not a divergence, so it belongs
- in ISSUES rather than the register — but AP-149 currently reads as if the
- outer arm works and is merely weaker. It does not work.
-
-### Q4 — anything retail-visible broken or silently altered
-
-- **F1** — reveal can hang permanently. Retail-visible in the strongest sense.
-- **F2** — no behaviour change from this commit, but the wait cue is now shown
- in more situations and its arming remains non-retail.
-- `preferDestination` latching (F1 secondary) starves non-destination streaming
- to 25% for the session.
-- Indoor destinations are unchanged: `RequiredWindow` returns `(0,0)`
- (`WorldRevealReadinessBarrier.cs:206-217`), and `IsRenderNeighborhoodResident(cell, 0, 0)`
- reduces to the pre-#280 `IsNearTier && IsRenderReady` on the single member.
- Verified by inspection; retail's indoor arm is `CEnvCell::PreFetchCells`
- @0x0052D1E0 (the id-taking overload — address correct as cited).
-- Composite warmup staying `NearRadius`-scoped is sound: `LandblockBuildFactory`
- gives Far builds no entities at all, so widening it would walk 625 landblocks
- to warm nothing.
-- The `ACDREAM_PROBE_REVEAL_RADIUS=1` A/B is faithful: it forces `far = 1` and
- `near = clamp(NearRadius, 0, 1) = 1`, which is exactly the pre-#280
- `IsNearTier && IsRenderReady` radius-1 gate.
-- The D6 scratch-set change (`PhysicsEngine.cs:48-52`, `:137-147`) is correct
- under the stated single-thread assumption; the method is a pure leaf and the
- set is engine-instance-owned, and the staging clone in
- `CollisionStagingBuilder` is a distinct `PhysicsEngine` with its own scratch.
- I did not find a concurrent caller.
-
----
-
-## Bookkeeping audit
-
-| Item | Verdict |
-|---|---|
-| **AP-149** (new) | Present at register line 178. Retail chain verified end-to-end (all four addresses correct). Honest and correctly directional. Caveats in Q3. |
-| **AD-2** amendment | Factually correct on every retail claim I checked: `{3,5,8,11,15,25}` @0x007CA988, default 8, `SmartBox::SetRegion` @0x004531F0, `LScape::PreFetchCells` @0x00505660, `SmartBox::set_mid_radius` @0x00453180, `LScape::SetMidRadius` @0x00504C00. The sentence *"out to `FarRadius`, terrain publication only (`IsRenderReady`, which a `PublicationKind.Far` landblock satisfies through its empty spawn-adapter registration)"* is true as written and **false for the demote-produced Far tier** — this is the register's statement of F1's wrong assumption and must be corrected with the fix. |
-| **#326** (Viewing Distance option) | Correctly filed and well-scoped. One wrong address (F4). |
-| **#327** (DDD progress readout) | Correctly filed; `ECM_DDD::SendNotice_RuntimeDDDStatus` confirmed live at `CellManager::PreFetchCells` @0x004558DE. |
-| **#328** (5000 f far plane vs retail 4000) | Correctly filed; `Render::zfar = 4000.0f` byte-verified at VA 0x0081EC88 (`00 00 7a 45`). See F5 on the "never bounds" phrasing. |
-| **CLAUDE.md `ACDREAM_STREAM_RADIUS` rewrite** | Verified against source and correct on all four clauses: default unset (`QualityPreset.WithEnvOverrides` / `RuntimeOptions.LegacyStreamRadius`), forces `NearRadius` and only raises `FarRadius` (`SessionPlayerComposition.cs:249-257`), silently discarded by `RuntimeSettingsTargets.ApplyQuality` → `ReconfigureStreamingRadii` (`RuntimeSettingsTargets.cs:251-252`), and `ACDREAM_NEAR_RADIUS`/`ACDREAM_FAR_RADIUS` are the modern spelling (`QualityPreset.cs:45-46`). |
-| **`reference_two_tier_streaming.md` corrections** | Verified correct, including the load-bearing one: a Far publication *does* reach `LandblockPhysicsPublisher` (no `Kind != Far` guard in `LandblockPresentationPipeline.Advance`'s physics arm, `:600-660`) and terrain collision is published from the heightmap, which `PhysicsEngine.DemoteLandblockToTerrain` is explicitly written to preserve. The preset table, the Chebyshev note, and the retail `mid_radius` paragraph are all accurate. Its "`IsRenderReady` … a Far publication registers with `WantsLoaded = true` and an EMPTY desired mesh set, so it is render-ready" bullet inherits F1's error and needs the same correction. |
-| **Left unfiled** | (a) F1 — no issue exists for the demote hole. (b) F2 — the 5 s wait-cue arming has no divergence row; AD-2/AP-115 describe it as acdream behaviour without naming retail's actual trigger. (c) F3 — the mesh-build/GPU-upload strictness of the gate versus retail's DAT-residency predicate has no row. |
-
----
-
-## Gates run
-
-- `dotnet build -c Release AcDream.slnx` → **0 errors**, 18 warnings (all pre-existing xUnit analyzer warnings).
-- `dotnet test -c Release AcDream.slnx --no-build` → 3 failures, **all three from a
- previous review session's deleted probe file** still present in the stale
- `AcDream.App.Tests.dll`. After
- `dotnet build -c Release tests/AcDream.App.Tests --no-incremental`:
- **App.Tests 4,157 passed / 0 failed / 3 skipped**. Other assemblies observed
- green in the same run: Runtime 1,217, Core 4,263 / 1 skipped, Core.Net 764,
- Headless 89, Bake 15. (My solution-wide invocation piped through `tail`, so I
- do not have reliable totals for Cli/Content/UI.Abstractions; nothing failed in
- the captured portion.)
-- Binary verification: `py tools/pdb-extract/check_exe_pdb.py
- "C:/Users/erikn/Downloads/acclient.exe"` → `=== MATCH ===`, GUID
- `9e847e2f-777c-4bd9-886c-22256bb87f32`, linker UTC 2013-09-06T00:17:56.
- Raw byte reads at VA 0x007CA988, 0x007991B0, 0x0081EC88, 0x007BD6A8 and code
- bytes 0x004D6FC0-0x004D7070 taken directly from the PE via section-mapped file
- offsets.
-
-## What I checked and found clean
-
-So the PASS portions are auditable, these were examined and found correct:
-retail's six-value ladder and default; the one-square prefetch/loaded/drawn
-identity; the `>= 0x7F8` bounds test and acdream's matching skip; the blocking
-`SmartBox::UseTime` arm; the 5.0 s `CheckPrefetchStatus` constant and its
-comparison sense; the `Render::zfar` initialiser and its only two writers; the
-wait-cue string bytes; `LScape::SetMidRadius`'s `mid_width` formula and its
-`land_blocks` refusal; `SmartBox::set_mid_radius`'s save-reset-re-radius-re-arm
-order; `CellManager::Reset`'s conditional `release_all`; the full
-`CLandBlock` → `CLandBlockInfo` → `CBldPortal` prefetch chain; acdream's Far
-build contents; that a Far publication reaches the physics publisher and
-registers terrain collision; that terrain mesh upload precedes spawn-adapter
-registration so `IsRenderReady` is not a stamp for freshly-loaded Far tier; the
-indoor arm's unchanged behaviour; the composite-warmup scoping argument; the
-`ACDREAM_PROBE_REVEAL_RADIUS=1` A/B equivalence; the D6 scratch-set safety; the
-origin/destination coincidence that keeps the gate square inside the streaming
-square after a recentring teleport; and every documentation claim listed in the
-bookkeeping table.
diff --git a/docs/research/2026-08-06-32-local-edge-slide-research.md b/docs/research/2026-08-06-32-local-edge-slide-research.md
deleted file mode 100644
index f4d356a2..00000000
--- a/docs/research/2026-08-06-32-local-edge-slide-research.md
+++ /dev/null
@@ -1,704 +0,0 @@
-# Issue #32 (local half) — the player runs off cliff edges instead of stopping or sliding
-
-**OUTCOME 2026-08-07 — Section 6's capture landed in decision-table ROW 1
-verbatim** (six `branch2/steep-cliffslide` events at Rithwic, every one
-`curN == lastN == (-0.954, 0.000, 0.301)`, `angle=0.0000`, `apply=False`,
-outcome `degenerate-cross/last-known`), **the Section 7 fix shipped at
-`332045c7`, and the user passed it live**: "Yes works now." One caveat for the
-record: the first live "test" of the fix ran a stale checkout's binary and
-produced a void failure verdict — see the #32 entries in `docs/ISSUES.md` for
-that detour and the assembly-identity rule it produced. Section 3.5's
-cell-id note is now register row **AD-67**; its blast-radius items are carried
-as watch items on Campaign S slice S4.
-
-**Date:** 2026-08-06
-**Mode:** research / report-only. No production or test code was written or changed.
-**Worktree:** `.claude/worktrees/peaceful-visvesvaraya-e0a196`, branch
-`claude/acdream-physics-divergence-5aa784`.
-
----
-
-## 0. Git state caveat (read first)
-
-`git fetch github` succeeded; `git merge --ff-only github/main` was **refused** —
-this branch is diverged (1 ahead / 5 behind: it carries local commit `5c93c2c5`,
-which is not in `github/main`). Per instruction nothing else was done to git.
-
-That matters only if the five missing commits touch what this report analyses.
-They do not. `git diff --name-only HEAD github/main` over the analysed sources
-returns **no** hits for `TransitionTypes.cs`, `PhysicsEngine.cs`,
-`FlatBspQuery.cs`, `BSPQuery.cs`, `PlayerMovementController.cs`, or
-`RetailEdgeResponseOrderingTests.cs`. The only doc deltas are new rows for
-`#333`/`#334` and `AP-152`/`AP-156`/`AP-158`; `#32`'s own text is byte-identical
-between HEAD and `github/main`. **Every source claim below therefore holds at
-`github/main`.**
-
-Retail binary verified before any disassembly:
-
-```
-py tools/pdb-extract/check_exe_pdb.py "C:/Users/erikn/Downloads/acclient.exe"
- GUID = {9e847e2f-777c-4bd9-886c-22256bb87f32}
- === MATCH: this exe pairs with our acclient.pdb ===
-```
-
-Every address cited below was resolved back to a name in
-`docs/research/named-retail/symbols.json` before being used, and every function
-body was bounded by finding its own `ret` before the next symbol. Address /
-symbol pairs confirmed this way:
-
-| Address | PDB symbol |
-|---|---|
-| `0x00509d80` | `COLLISIONINFO::set_contact_plane` |
-| `0x0050a6d0` | `CTransition::cliff_slide` |
-| `0x0050a880` | `SPHEREPATH::save_check_pos` |
-| `0x0050b100` | `SPHEREPATH::restore_check_pos` |
-| `0x0050b2a0` | `CTransition::step_down` |
-| `0x0050b3d0` | `CTransition::edge_slide` |
-| `0x0050b6f0` | `CTransition::transitional_insert` |
-| `0x0050aa70` | `CTransition::validate_transition` |
-| `0x0050cc80` | `SPHEREPATH::precipice_slide` |
-| `0x0050cf20` | `OBJECTINFO::get_walkable_z` |
-| `0x0050e850` | `CTransition::init_contact_plane` |
-| `0x0050e8e0` | `CTransition::init_last_known_contact_plane` |
-| `0x00511cc0` | `CPhysicsObj::get_object_info` |
-
----
-
-## 1. Executive answer
-
-**The digest does not already carry #32's local half.**
-`claude-memory/project_physics_collision_digest.md` mentions `PrecipiceSlide`
-three times, all in *other* sagas (#185's DO-NOT-RETRY, #116's residual, the
-step-down/step-up seam notes). There is no recorded characterisation of the
-local-player cliff case. This is not a #331-style rediscovery.
-
-**What retail does at a walkable edge** is a four-stage chain inside one
-`CTransition::transitional_insert` attempt: probe down → if the probe finds no
-*walkable* support, run `edge_slide` → `edge_slide` picks exactly one of four
-responses in a fixed order → the winning response either laterally displaces the
-candidate (you glide along the rim) or refuses it outright (you stop). Section 2
-decodes it, disassembly-verified.
-
-**acdream implements every stage of that chain, for the local player, with the
-correct branch order and the correct retail flags.** The mover-flag theory is
-dead: `PlayerMovementController` passes
-`ObjectInfoState.IsPlayer | EdgeSlide | OwnPvpFlags`
-(`src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:2661`) and
-`PhysicsEngine.ResolveWithTransition` sets `ObjectInfo.StepDown = true`
-unconditionally (`src/AcDream.Core/Physics/PhysicsEngine.cs:1919`).
-
-**The one divergence I found is real, is disassembly-proven, and sits exactly on
-the branch that produces "slide along the cliff edge".**
-`CollisionInfo.SetContactPlane` (`TransitionTypes.cs:446-480`) latches the
-**last-known** contact plane on every write. Retail's
-`COLLISIONINFO::set_contact_plane` (`0x00509d80`) does not touch last-known at
-all. The consequence is that by the time `CliffSlide` reads
-`LastKnownContactPlane.Normal` as its reference vector, that vector has already
-been overwritten with the *same* steep normal it is being crossed against — so
-the cross product is exactly zero, `CliffSlide` takes its degenerate
-`OK` return, `edge_slide` reports "did not stop", and the outer retry loop
-accepts the candidate that hangs over the drop. **That is a literal mechanism
-for "runs off the edge".**
-
-**It is not a remote-vs-local asymmetry.** Section 4 shows why `204d0ae0` could
-not have covered this: that commit deleted four *remote-only* forgeries layered
-on top of the shared engine. It never touched `Transition`, `CliffSlide`, or
-last-known-plane maintenance. The local player never had those forgeries, so
-there was nothing there for the remote fix to also fix.
-
-**Confidence, stated honestly.** The divergence is *proven* (Section 3). Its
-causal link to the user's specific cliff is a *hypothesis* — it requires
-`edge_slide` to take branch 2 (steep contact plane) rather than branch 3/5
-(walkable-polygon precipice) in that geometry, and which branch fires depends on
-what the step-down probe actually finds under the user's cliff. **One live run
-of the probe that already exists settles it** (Section 6). Do not write the fix
-before that run.
-
----
-
-## 2. What retail does at a walkable edge
-
-### 2.1 Entry gate — `CTransition::transitional_insert` `0x0050b812`
-
-Disassembly:
-
-```
-0050b812 cmp [esi+0x288], ebp ; collision_info.contact_plane_valid
-0050b818 jne 0x50ba30 ; valid contact -> return 1 (OK), no step-down
-0050b81e mov eax, [esi+4] ; object_info.state
-0050b821 test al, 1 ; CONTACT
-0050b823 je 0x50ba30
-0050b829 cmp [esi+0x178], ebp ; sphere_path.step_down (must be 0)
-0050b82f jne 0x50ba30
-0050b835 cmp [esi+0x128], ebp ; sphere_path.check_cell (must be non-null)
-0050b83b je 0x50ba30
-0050b841 cmp [esi+0x18], ebp ; object_info.step_down (must be set)
-0050b844 je 0x50ba30
-```
-
-acdream, `TransitionTypes.cs:2176-2181`:
-
-```csharp
-if (ci.ContactPlaneValid) return TransitionState.OK;
-...
-if (oi.Contact && !sp.StepDown && sp.CheckCellId != 0 && oi.StepDown)
-```
-
-Exact match, term for term, including the "a valid contact plane short-circuits
-the whole step-down tail" rule.
-
-### 2.2 Thresholds — `0x0050b84a`
-
-```
-0050b84a test al, 2 ; ON_WALKABLE
-0050b84c mov ecx, [0x7c6870] ; = 0.0871557f (cos 85 deg)
-0050b852 mov [esp+0x14], 0x3d23d70a ; step_down_height default = 0.04 m
-0050b85a mov [esp+0x18], ecx ; walkable allowance default
-0050b85e je 0x50b872
-0050b860 call 0x50cf20 ; OBJECTINFO::get_walkable_z
-0050b867 fstp [esp+0x18] ; allowance = get_walkable_z() (FloorZ)
-0050b86b mov edx, [esi+0x10] ; object_info.step_down_height
-0050b86e mov [esp+0x14], edx
-```
-
-In plain language: a mover **standing on walkable ground** probes down by its own
-authored step-down height (about 40 cm for a human) and demands a surface no
-steeper than `FloorZ` = 0.6642 — that is a surface tilted at most ~48.4 degrees
-from flat. A mover **not** on walkable ground gets 4 cm and the far more
-permissive ~85-degree allowance. acdream: `oi.GetWalkableZ()` / `oi.StepDownHeight`
-at `TransitionTypes.cs:2192-2194`, `FloorZ = 0.6642f` at `TransitionTypes.cs:1255`.
-
-### 2.3 Probe schedule — `0x0050b886`
-
-```
-0050b886 cmp [edi], 2 ; sphere_path.num_sphere
-0050b889 jae 0x50b8ab
-0050b88e fld [ecx+0xc] ; global_sphere[0].radius
-0050b891 fadd st(0), st(0) ; 2*radius
-0050b893 fcomp [esp+0x14] ; vs step_down_height
-0050b899 test ah, 5
-0050b89c jp 0x50b8ab ; taken when 2r >= h -> keep h
-0050b89e fld [ecx+0xc]
-0050b8a1 fmul [0x7928b8] ; = 0.5f
-0050b8a7 fstp [esp+0x14] ; h = radius * 0.5
-...
-0050b8b5 fadd st(0), st(0) ; 2*radius again
-0050b8ba fcomp [esp+0x18] ; (after `push edi`) == the step_down_height slot
-0050b8c3 jp 0x50b8ff ; 2r >= h -> ONE probe of h
- ; else -> TWO probes of h*0.5
-```
-
-Note Binary Ninja mislabels that second comparand as the walkable allowance,
-because it does not account for the `push edi` at `0x0050b8b9` shifting the frame
-by 4. The disassembly settles it: both comparisons are against
-`step_down_height`.
-
-acdream's `GetStepDownProbePlan` (`TransitionTypes.cs:1893-1908`) reproduces this,
-with one boundary difference: retail branches on strict `2r < h`, acdream on
-`diameter <= probeHeight` / `diameter > probeHeight`. At **exact float equality**
-acdream clamps and splits where retail does not. Real, citable, and almost
-certainly inert (it needs `2*radius` to equal the authored step-down height bit
-for bit). For the human player it is unreachable anyway: `num_sphere == 2`,
-`radius 0.48` so `2r = 0.96 >= 0.4`, hence one full-height probe.
-
-Whatever height was actually used is then passed to `edge_slide` — `0x0050b921`
-`edge_slide(this, &state, step_down_height_used, allowance)`.
-
-### 2.4 The response chooser — `CTransition::edge_slide` `0x0050b3d0`
-
-```
-0050b3d8 mov eax, [esi+4] ; object_info.state
-0050b3db test al, 2 ; ON_WALKABLE (0x0002)
-0050b3de je 0x50b59b ; -> restore, OK, stop
-0050b3e4 test ah, 2 ; EDGE_SLIDE (0x0200)
-0050b3e7 je 0x50b59b ; -> restore, OK, stop
-0050b3ed mov ecx, [esi+0x288] ; contact_plane_valid
-0050b3f7 je 0x50b444 ; invalid -> skip cliff branch
-0050b3f9 fld [esi+0x294] ; contact_plane.N.z
-0050b3ff fcomp [esp+0x70] ; vs arg4 (the walkable allowance)
-0050b405 test ah, 5
-0050b408 jp 0x50b444 ; N.z >= allowance -> skip cliff branch
-0050b40a ... walkable = 0 ; restore_check_pos ; cliff_slide(&contact_plane)
-0050b43b xor eax, eax ; return FALSE (caller keeps retrying)
-0050b444 cmp [esi+0x1f4], ebp ; sphere_path.walkable
-0050b44a jne 0x50b563 ; non-null -> precipice branch
-0050b450 cmp ecx, ebx ; contact_plane_valid -> restore + OK + stop
-```
-
-`test ah, 5` after `fnstsw` tests C0 (less-than) and C2 (unordered); with an
-ordered compare the parity of that pair is even exactly when C0 is clear, so `jp`
-is taken on `>=`. The cliff branch is therefore entered on
-**`contact_plane.N.z < allowance`** — a contact plane too steep to stand on.
-
-The five responses, in retail's order, are:
-
-1. `!ON_WALKABLE || !EDGE_SLIDE` → restore the saved candidate, `OK_TS`, **stop**.
-2. valid contact plane **steeper than the allowance** → restore, `cliff_slide`,
- return false so the insert keeps retrying against the displaced candidate.
-3. a stored walkable polygon → restore, `precipice_slide` against it.
-4. valid contact plane, no walkable polygon → restore, `OK_TS`, **stop**.
-5. otherwise → back-probe from the current sphere centre to rediscover the
- polygon just left, restore, `precipice_slide` against that.
-
-acdream's `EdgeSlideAfterStepDownFailed` (`TransitionTypes.cs:2420-2537`)
-reproduces all five in that order. Verified branch by branch against the
-disassembly above; **no divergence found in the ordering or the gates.**
-
-### 2.5 The two responses
-
-`SPHEREPATH::precipice_slide` `0x0050cc80`: if `CPolygon::find_crossed_edge`
-returns 0 (the candidate never left the polygon), it clears `walkable` and
-returns `COLLIDED_TS` — the move is refused, you stop. Otherwise it slides the
-sphere along the crossed edge. acdream `SpherePath.PrecipiceSlide`
-(`TransitionTypes.cs:1073-1099`) matches, including the Collided return.
-
-`CTransition::cliff_slide` `0x0050a6d0`:
-
-```
-cross( arg2->N , collision_info.last_known_contact_plane.N ) with Z forced to 0
-normalize_check_small(...) != 0 -> return 1 (OK_TS, no displacement at all)
-otherwise -> add_offset_to_check_pos(dir * ±dot)
- set_collision_normal(dir)
- return 3 (ADJUSTED_TS)
-```
-
-`acclient.h:6100-6108` gives `INVALID=0, OK=1, COLLIDED=2, ADJUSTED=3, SLID=4`;
-acdream's enum (`TransitionTypes.cs:9-16`) is identical, and `Transition.CliffSlide`
-returns `OK` on degeneracy and `Adjusted` otherwise. Match.
-
-**So retail's "slide along the cliff edge" is `cliff_slide`, and its entire
-direction comes from crossing the steep plane you are refusing against the
-last-known contact plane — the surface you were standing on a moment ago.** Kill
-the second vector and the slide becomes a no-op.
-
----
-
-## 3. What acdream does — the divergence
-
-### 3.1 Retail's last-known contact plane has exactly four writers
-
-Grepping every assignment in the named decomp:
-
-| Address | Function | Effect |
-|---|---|---|
-| `0x00509d62` | `COLLISIONINFO::init` | clear |
-| `0x00509de6` | `CTransition::init` | clear |
-| `0x0050a9b8` | inside `validate_transition` | clear |
-| `0x0050ad07`-`0x0050ad47` | `validate_transition` tail | `lkcp_valid = contact_plane_valid`; copy plane only when valid |
-| `0x0050b9d7` | `transitional_insert` phase-3 reset | clear |
-| `0x0050e85d` | `CTransition::init_contact_plane` | set both current **and** last-known |
-| `0x0050e8e6` | `CTransition::init_last_known_contact_plane` | set last-known only |
-
-`init_contact_plane` and `init_last_known_contact_plane` are the **per-transition
-seeds**, called once from `CPhysicsObj::get_object_info` `0x00511cc0` depending on
-whether `check_contact` succeeded. `validate_transition`'s tail is the **end** of
-the transition. Nothing in between writes last-known.
-
-And critically, the per-substep writer does not:
-
-```
-00509d80 COLLISIONINFO::set_contact_plane
-00509d86 mov [ecx+0x18], 1 ; contact_plane_valid
-00509d8e lea eax, [ecx+0x1c] ; contact_plane.N.x/y/z, .d (4 dwords)
-00509db1 mov [ecx+0x34], eax ; contact_plane_is_water
-00509db5 ret 8
-```
-
-Twenty-two bytes of body. It does not touch `+0x00`/`+0x04` (last-known valid /
-plane), and it does not touch `+0x2c` (`contact_plane_cell_id`) either.
-
-Compare `init_contact_plane` `0x0050e850`, which writes `[ecx+0x270]`,
-`[ecx+0x274..0x280]`, `[ecx+0x284]`, `[ecx+0x2a0]` (all last-known) **and**
-`[ecx+0x288]`, `[ecx+0x28c..]`, `[ecx+0x2a4]`, `[ecx+0x29c]` (all current). The
-two functions are deliberately different, and retail calls the narrow one from
-every collision-response site.
-
-### 3.2 acdream's `SetContactPlane` does both
-
-`src/AcDream.Core/Physics/TransitionTypes.cs:446-480`:
-
-```csharp
-public void SetContactPlane(Plane plane, uint cellId, bool isWater = false)
-{
- ... no-op-if-unchanged guard ...
- ContactPlaneValid = true;
- ContactPlane = plane;
- ContactPlaneCellId = cellId;
- ContactPlaneIsWater = isWater;
-
- LastKnownContactPlaneValid = true; // <-- retail does not do this
- LastKnownContactPlane = plane; // <-- nor this
- LastKnownContactPlaneCellId = cellId; // <-- nor this
- LastKnownContactPlaneIsWater = isWater; // <-- nor this
-}
-```
-
-There are **13 call sites** in the tree:
-
-```
-BSPQuery.cs:1297, 2035
-FlatBspQuery.cs:1393, 1921 <- production-authoritative since I6/I7
-PhysicsEngine.cs:1987 <- the per-transition seed (retail init_contact_plane: correct)
-TransitionTypes.cs:3613, 3636 <- ValidateWalkable, both resting and below branches
-TransitionTypes.cs:4409, 4562, 4732, 4874 <- water paths
-TransitionTypes.cs:5756 <- validate_transition recovery (restores FROM lkcp: self-write, harmless)
-TransitionTypes.cs:5835
-```
-
-Only `PhysicsEngine.cs:1987` legitimately corresponds to retail's
-`init_contact_plane`. The other twelve correspond to retail's
-`set_contact_plane`, and every one of them clobbers the last-known plane that
-retail deliberately preserves across the whole transition.
-
-`git log -S` dates the latch to `9ea8ae51`, **2026-04-13**, "feat(physics):
-Transition system data structures" — the very first commit that introduced the
-type. It has never been retail-verified, and it matches the user's report that
-the symptom is pre-existing rather than a regression.
-
-### 3.3 The causal chain to "runs off the cliff"
-
-Walking a grounded local player at a drop, in one
-`ResolveWithTransition` → `TransitionalInsert` attempt:
-
-1. `PhysicsEngine` seeds the transition from the body's committed contact plane
- (`ResolveWithTransition`, the `check_contact` success branch,
- `PhysicsEngine.cs:1978-1993`). Both current and last-known now hold **the
- ground you are standing on**. This part is retail-correct.
-2. The forward candidate hangs over the drop. The primary insert finds no
- support and returns OK with no contact plane, so the step-down block is
- entered (Section 2.1).
-3. `DoStepDown` offsets down and re-inserts. It finds the **steep cliff face**,
- and `ValidateWalkable` (`TransitionTypes.cs:3613`/`3636`) calls
- `ci.SetContactPlane(steepPlane, ...)`.
- → **Last-known is now also the steep plane.** The ground reference is gone.
-4. `DoStepDown` rejects the candidate because `ContactPlane.Normal.Z < FloorZ`
- (`TransitionTypes.cs:5405-5407`), and — matching retail `step_down` — leaves
- the steep plane in place on the way out.
-5. `EdgeSlideAfterStepDownFailed` takes **branch 2**: `ContactPlaneValid &&
- Normal.Z < zVal` → `CliffSlide(steepPlane)`.
-6. `CliffSlide` computes
- `Vector3.Cross(contactPlane.Normal, ci.LastKnownContactPlane.Normal)`
- (`TransitionTypes.cs:2550-2552`). Both operands are now **the same vector**.
- Cross product = zero → the degenerate guard at `:2559` fires → returns
- `TransitionState.OK` with **no displacement**.
-7. `EdgeSlideAfterStepDownFailed` returns `false` (stop = false) with
- `edgeState == OK`, so `TransitionalInsert` does
- `transitState = edgeState; continue;` (`TransitionTypes.cs:2255-2262`).
-8. The retry re-inserts at the same restored candidate, fails the same way, and
- when the attempt budget runs out `TransitionalInsert` returns **OK**.
- `ValidateTransition` commits it. The body is now over the void, gravity takes
- it, and the player falls off the edge.
-
-In retail the same eight steps run, but at step 6 last-known still holds the
-cliff-top plane, the cross product is non-zero, `cliff_slide` returns
-`ADJUSTED_TS` after laterally displacing the candidate, and the player glides
-along the rim.
-
-### 3.4 The divergence is already pinned by a test — as correct
-
-`tests/AcDream.Core.Tests/Physics/RetailEdgeResponseOrderingTests.cs:188-230`,
-`TransitionalInsert_DegenerateCliffSlideOk_ContinuesOuterRetry`, added by
-`c559c48d` (2026-07-31, "restore retail edge-response ordering"). Its own comment
-reads:
-
-```
-// The nested downward probe finds a steep contact. It is
-// rejected as walkable, and because SetContactPlane also
-// latches the same last-known plane, CliffSlide's cross is
-// parallel/degenerate and writes OK_TS with stop=false.
-```
-
-and it then asserts `TransitionState.OK`, two outer object passes, and a
-committed contact plane. The test **observes acdream's behaviour and pins it**;
-it does not compare against retail. Given `0x00509d80`, retail could not reach
-that configuration at all. This is the shape the C4 closeout named as its most
-expensive process finding — a contract asserting a mechanism that does not
-exist — and the fix will have to rewrite this test, not merely satisfy it.
-
-### 3.5 Second-order effects of the same latch (blast radius, not new bugs)
-
-- `ValidateTransition`'s non-OK recovery (`TransitionTypes.cs:5745-5762`) calls
- `oi.StopVelocity()` and restores contact from last-known. Retail gates the same
- recovery on `last_known_contact_plane_valid`. Because acdream's last-known is
- valid far more often than retail's, `kill_velocity` can fire where retail's
- would not — which is the exact opposite of the L.4/L.5 finding recorded in #32
- itself ("Retail trace: 0 kill_velocity hits across 40,960 update_object calls").
- Worth checking against #269's slope-slide residual after any fix.
-- `transitional_insert`'s phase-3 reset reads `LastKnownContactPlaneValid`
- (`TransitionTypes.cs:2072`) to choose between `StopVelocity` and
- `SetCollisionNormal(StepUpNormal)`. Same over-validity concern.
-- `TransitionTypes.cs:5089-5090` falls back to last-known when current is
- invalid.
-- **Minor, same site:** acdream's `SetContactPlane` also writes
- `ContactPlaneCellId`, which retail's `set_contact_plane` does not (retail
- writes the cell id only in `init_contact_plane`, `0x0050e8ca`). Note it; do not
- necessarily change it, since acdream's callers rely on the cell id being current.
-
----
-
-## 4. Why the remote fix at `204d0ae0` could not cover the local player
-
-`204d0ae0` ("remote bodies slide on steep faces instead of freezing (#32)")
-changed six production files:
-
-```
-src/AcDream.App/Physics/LiveEntityNetworkUpdateController.cs
-src/AcDream.Core/Physics/InterpolationManager.cs
-src/AcDream.Core/Physics/Motion/MotionTableDispatchSink.cs
-src/AcDream.Core/Physics/PhysicsDiagnostics.cs (probe family)
-src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs
-src/AcDream.Runtime/Physics/RuntimeRemoteSteadyStatePosition.cs
-```
-
-Not in the list: `TransitionTypes.cs`, `PhysicsEngine.cs`, `BSPQuery.cs`,
-`FlatBspQuery.cs`, `PlayerMovementController.cs`. The commit did not touch the
-sweep, the edge family, `CliffSlide`, or contact-plane maintenance at all.
-
-What it *did* do, per its own message and the #32 row, was delete four
-**remote-only** overrides layered on top of the shared engine:
-
-1. a per-tick `TransientState |= Contact | OnWalkable` forge,
-2. a per-tick `Body.Velocity` zero,
-3. a `PhysicsStateFlags.Gravity` clear at the landing edge,
-4. a landing edge tested on `IsOnGround` (`inContact || ...`) instead of the
- sweep's own `OnWalkable`,
-
-and route the remote tick through `PhysicsObjUpdate.CommitSetPositionTransition`
-— which its message describes as "the same SetPositionInternal commit TickHidden
-and the local player" already used.
-
-**That is the whole answer to "what structurally excludes the local player".**
-Nothing excludes it. The local player never had those four forgeries — it has
-been running the full `check_contact` seed, the full sweep, and the full
-`SetPositionInternal` commit since the #265/#166 landing-bounce work
-(`PlayerMovementController.cs:2632-2760`). The remote bug was a remote-only
-layer *suppressing* a shared mechanism; removing it restored the remote to
-parity with the local player. It could not fix a defect that lives *inside* the
-shared mechanism, and #32's own note — "Local-player edge-slide is unchanged by
-this work" — is literally accurate rather than an admission of a missing
-per-mover-class feature.
-
-Corollary worth stating: **the divergence in Section 3 affects remotes too.** The
-user's accepted remote gate was a steep-**roof slide-down under gravity**, driven
-by `adjust_offset`'s per-substep plane projection — a path that never reaches
-`edge_slide`. A remote walked at a cliff rim by the server should exhibit the
-same run-off, and would not have been caught by that gate.
-
----
-
-## 5. Is #134 the same defect?
-
-`#134` — "Player 'lags downward' instead of gliding along a dungeon ramp edge",
-`docs/ISSUES.md:13692` — is **the same family and plausibly the same mechanism,
-and its DONE status is not supported by evidence.**
-
-Three observations:
-
-1. **Its closure is a triage inference, not a verification.** The row reads:
- "Status: DONE (2026-07-09, user-confirmed via memory during an issues-triage
- pass — not independently re-verified this session)", and attributes the fix to
- "the later CSphere/CCylSphere collision-family ports (#172, #182) and the
- general slide-response work tracked under #32/#116". None of those touched
- `CliffSlide` or last-known-plane maintenance. It is a "probably fixed by
- adjacent work" closure.
-2. **The symptom is the branch-2 signature indoors.** "Gliding along the slope
- tangent" is `cliff_slide`'s lateral displacement; "lagging downward" is what
- you get when that displacement is zero and gravity is the only thing left
- acting on the candidate. A dungeon ramp edge presents exactly the branch-2
- input: the step-down probe finds the ramp's steep side face, `Normal.Z <
- FloorZ`, contact plane valid.
-3. **The indoor path clobbers last-known identically.** `FlatBspQuery.cs:1393`
- and `:1921` (production-authoritative since the I6/I7 flat cutover) call the
- same `SetContactPlane`. There is no outdoor/indoor difference in the
- mechanism.
-
-I cannot prove they are one defect without a measurement — a ramp edge could
-instead route through branch 3/5 (a BSP polygon *is* small enough for
-`find_crossed_edge` to fire, unlike a 24 m terrain triangle, so indoors the
-precipice branch is genuinely reachable where outdoors it usually is not).
-
-**Recommendation:** treat `#134` as an unverified closure and re-open it as a
-confirmation item on the same probe run, not as a separate investigation. If the
-probe shows `branch=branch2/steep-cliffslide` with a degenerate cross at a
-dungeon ramp edge, `#134` and `#32`'s local half are one fix.
-
----
-
-## 6. Do we need a live measurement? Yes — and the probe already exists
-
-**The divergence in Section 3 is proven; its reachability in the user's scenario
-is not.** The specific unknown is which of `edge_slide`'s five branches fires at
-the user's cliff. Only branches 2 and (indirectly) 4 involve last-known; branches
-3 and 5 route to `PrecipiceSlide`, where the LKCP latch is irrelevant and the
-run-off would have a different cause.
-
-There is a real reason to distrust source-only reasoning here. Outdoor terrain in
-acdream is a continuous heightfield whose walkable polygon is *half of a 24 m
-landcell* (`TerrainSurface.CellSize = 24f`, `SampleTerrainWalkableInCell` →
-`TerrainTriangleVertices`). A candidate 10 cm past a cliff lip is still deep
-inside that triangle, so `FindCrossedEdge` cannot fire and branch 3/5 should
-degenerate to Collided (= stop). That reasoning predicts a *stop*, not a fall —
-which is the opposite of what the user observes — and I would rather name the
-contradiction than paper over it. It is resolved if branch 2 wins the race
-(Section 3.3 step 5), but "which branch wins" is a fact about the DAT geometry
-under the user's feet, not about the code, and it is precisely the kind of thing
-a DAT sweep would happily "confirm" either way.
-
-### The probe
-
-No new instrumentation is needed. `ACDREAM_DUMP_EDGE_SLIDE=1`
-(`TransitionTypes.cs:1302-1303`) already emits, at exactly the right site:
-
-- `DumpEdgeSlideStepDownFailed` (`:2584`) — one `edge-slide: stepdown-failed`
- line carrying `edgeFlag`, `contactFlag`, `onWalkable`, `contactPlane`,
- `lastPlane`, `walkableValid`, `walkablePoly`, `lastWalkablePoly`, `stepDown`,
- `zVal`.
-- `DumpEdgeSlideBranch` (`:2626`) — one `edge-slide: branch=` line naming the
- branch taken, plus `contactN.Z`, **`lastN.Z`**, `walkPolyN.Z`, `onWalk`,
- `edgeFlag`, `zVal`.
-- `DumpCliffSlide` (`:2558`/`:2567`) — `degenerate-cross/last-known` versus
- `ok/last-known`.
-
-Volume is low: it only fires on a failed step-down.
-
-### Run it
-
-```powershell
-$env:ACDREAM_DAT_DIR = "$env:USERPROFILE\Documents\Asheron's Call"
-$env:ACDREAM_LIVE = "1"
-$env:ACDREAM_TEST_HOST = "127.0.0.1"; $env:ACDREAM_TEST_PORT = "9000"
-$env:ACDREAM_TEST_USER = "testaccount"; $env:ACDREAM_TEST_PASS = "testpassword"
-$env:ACDREAM_DUMP_EDGE_SLIDE = "1"
-dotnet run --project src\AcDream.App\AcDream.App.csproj --no-build -c Release 2>&1 |
- Tee-Object -FilePath "edge-slide.log"
-```
-
-Walk the local player at the cliff the user reproduced on, then close the window
-gracefully (`CloseMainWindow`, not `Stop-Process`).
-
-### Decision table
-
-| `branch=` in the log | `lastN.Z` vs `contactN.Z` | Verdict |
-|---|---|---|
-| `branch2/steep-cliffslide` + `degenerate-cross/last-known` | equal | **Section 3 confirmed.** Root cause is the `SetContactPlane` LKCP latch. Ship the Section 7 fix. |
-| `branch2/steep-cliffslide` + `ok/last-known` | differ | Cliff slide is running and producing a real displacement. The run-off is downstream of `edge_slide` — look at `ValidateTransition` / the retry budget instead. |
-| `branch3/precipice-slide` or the back-probe branch | — | The LKCP latch is not on this path. Root cause is in `FindCrossedEdge` / walkable-polygon granularity; a 24 m terrain triangle cannot produce a rim slide and the *mechanism itself* would then be missing outdoors. Different, larger fix. |
-| `branch1/!onwalkable-or-!edgeslide` | — | The mover lost `OnWalkable` before the edge. Root cause is upstream in contact classification, not in the edge family. |
-| `branch4/contact-no-walkable` | — | Retail-correct stop; the run-off is happening somewhere else entirely and this whole line of inquiry is wrong. |
-| no `edge-slide:` line at all | — | The step-down block is never reached — check the four gates in Section 2.1 (most likely `oi.Contact` failing `check_contact`, or a valid contact plane short-circuiting at `:2176`). |
-
-If nothing prints, that is itself the most informative outcome and redirects the
-whole investigation. Do not write any code before this run.
-
----
-
-## 7. What the fix would be, and how big
-
-**Only if the probe lands in row 1.** Do not pre-emptively implement it.
-
-**Shape — split the setter the way retail splits it.**
-
-1. In `CollisionInfo` (`src/AcDream.Core/Physics/TransitionTypes.cs:446-480`),
- reduce `SetContactPlane` to retail's `COLLISIONINFO::set_contact_plane`
- `0x00509d80`: write `ContactPlaneValid`, `ContactPlane`, `ContactPlaneIsWater`
- (keep `ContactPlaneCellId` — see Section 3.5 — and file it as a one-line
- register row if kept). Delete the four last-known writes.
-2. Add `InitContactPlane(plane, cellId, isWater)` mirroring
- `CTransition::init_contact_plane` `0x0050e850`: write both groups.
-3. Point `PhysicsEngine.ResolveWithTransition`'s `check_contact` success branch
- (`PhysicsEngine.cs:1987`) at `InitContactPlane`. Leave the failure branch
- alone — it already mirrors `init_last_known_contact_plane`.
-4. Leave the other eleven call sites on the narrowed `SetContactPlane`.
-5. `ValidateTransition`'s existing tail (`TransitionTypes.cs:5779-5783`) already
- is retail's `0x0050ad07` end-of-transition latch. No change.
-
-**Size.** Two production files, roughly 20-25 lines changed, one of them a pure
-deletion. This is genuinely small — the whole edge family is already ported; the
-fix restores one field's write discipline.
-
-**Not a workaround.** This is porting the retail mechanism, not suppressing a
-symptom. `CLAUDE.md`'s no-workarounds rule is satisfied: no guard, no grace
-period, no flag. If the probe instead lands in row 3, the honest answer is
-different and larger — retail's rim-slide behaviour would be *absent* outdoors
-and would have to be ported properly, and I would say so plainly rather than
-reach for the closest available approximation.
-
-**Test cost — larger than the production cost.**
-
-- `RetailEdgeResponseOrderingTests.TransitionalInsert_DegenerateCliffSlideOk_ContinuesOuterRetry`
- must be rewritten. It currently asserts the divergence as correct (Section 3.4).
- Its replacement should set the seed plane and the probe plane independently and
- assert `Adjusted` + a lateral displacement.
-- `CliffSlide_InvalidDefaultLastKnownPlane_TakesDegenerateOkReturn` (`:132`) stays
- valid — retail does return `OK_TS` when last-known really is absent.
-- The other nine files touching `LastKnownContactPlane`
- (`BSPStepUpTests`, `IndoorContactPlaneRetentionTests`, `RetailStepDownPlacementTests`,
- `FindEnvCollisionsMultiCellTests`, `PhysicsSetPositionTests`,
- `RuntimeRemoteSteepContactSlideTests`, ...) must be re-run and inspected — any
- that pass *because* an intra-transition write kept last-known valid will change.
-- Gates: full Core + Runtime + App suites, plus the connected nine-stop route,
- because of the `kill_velocity`-frequency blast radius in Section 3.5 and its
- overlap with #269.
-- Register: the fix retires nothing currently filed (there is no row for this —
- it is an unfiled divergence, "a bug twice over" by the register's own rule). If
- `ContactPlaneCellId` is kept, that gets a new row in the same commit.
-
----
-
-## 8. Stale claims in #32's own text (filed 2026-04-29)
-
-Checked against HEAD; each verified individually.
-
-| Claim in #32 | Status |
-|---|---|
-| "acdream does not yet preserve the full walkable polygon context from terrain/BSP step-down, so this is still the conservative stop-at-edge fallback" (mirrored in the code comment at `TransitionTypes.cs:2223-2232`) | **STALE.** Walkable context is preserved for both terrain (`CacheWalkableContext`, `:3660-3671`) and BSP (`SetWalkableTransformed`), and the full five-branch chain plus the back-probe is implemented. `TS-1` was retired 2026-07-30 as "the row was stale, not the code". The in-code comment is stale too and should be corrected with the fix. |
-| "Pragmatic ship-state: BSPQuery Path 6 keeps the L.4 slide-tangent deviation (project-along-steep-face-and-return-Slid)" | **STALE.** Production is `FlatBspQuery` since the I6/I7 flat cutover; its Path 6 (`FlatBspQuery.cs:2011-2042`) is the retail `set_collide` + `WalkableAllowance = LandingZ` + `Adjusted` shape. There is no slide-tangent return. |
-| "Remaining gaps: ... `NegPolyHit` dispatch" | **STALE.** Neg-poly dispatch shipped A6.P4 (2026-05-25) and is live at `TransitionTypes.cs:2110-2170` (`slide_sphere` / `step_up` → `step_up_slide`). |
-| "the AP-140 follow-up (point the two routing gates at `Body.InContact`) [remains open]" — in the status header | **STALE.** The register records AP-140 as "filed AND RETIRED 2026-08-04", same day. |
-| "We ported this gate as L.5 in `PlayerMovementController` via `_physicsAccum`" | **STALE.** `_physicsAccum` does not exist anywhere in the tree; the 30 Hz gate is `RetailObjectQuantumClock` since R6. |
-| "**Files:** `TransitionTypes.cs`, `BSPQuery.cs`, `tests/`" | **STALE/INCOMPLETE.** `BSPQuery` is no longer the production collision path (`FlatBspQuery` is). The file list should name `FlatBspQuery.cs` and `PhysicsEngine.cs`. |
-| "AD-10's terrain-only slope projection still cannot see building geometry" | Already self-corrected in the body (superseded 2026-08-06, AD-10 retired by deletion) but the **status header still lists it as a dependency**. Header and body disagree. |
-| "Local/remote movement passes the retail-default `EdgeSlide` flag" | **ACCURATE.** Verified at `PlayerMovementController.cs:2170`/`:2661` and `RuntimeRemotePhysicsUpdater.cs:442`/`:998`. Retail's source is `CPhysicsObj::get_object_info` `0x00511cd1`: `state & 0x400000 -> result 0x200`, and `PhysicsBody.cs:79` has `EdgeSlide = 0x00400000`. |
-| "Our Phase 3 reset path now matches retail's gate (only kills when valid)" | **ACCURATE** at `TransitionTypes.cs:2072`. (But see Section 3.5 — the *gate* matches while the *validity* is over-set.) |
-| "A LeaveGround-count bound is the missing test" | **ACCURATE, still open.** No `LeaveGround` count assertion exists anywhere in `tests/`. |
-| "#173's visual gate is still unrun" | Not independently checkable this session; left as-is. |
-
----
-
-## 9. Summary for the caller
-
-- **Retail** refuses a step-down onto anything steeper than ~48.4 degrees, then
- runs `CTransition::edge_slide`, which picks one of five responses in a fixed
- order. The "slide along a cliff edge" response is `cliff_slide`, and its
- direction is `cross(steep plane normal, last-known contact plane normal)` —
- it needs the surface you were standing on a moment ago as its second vector.
-- **acdream** implements all five branches in the correct order with the correct
- flags, for the local player, verified against disassembly. But
- `CollisionInfo.SetContactPlane` latches the last-known contact plane on every
- write, where retail's `COLLISIONINFO::set_contact_plane` (`0x00509d80`, 22
- bytes) never touches it. The step-down probe's own steep plane therefore
- overwrites the reference vector, `cliff_slide`'s cross product goes to zero, the
- degenerate `OK` return displaces nothing, and the retry loop accepts the
- candidate hanging over the drop. The latch dates to `9ea8ae51` (2026-04-13) and
- has never been retail-verified — consistent with "pre-existing, not a
- regression".
-- **The local player is not structurally excluded from anything.** `204d0ae0`
- deleted four remote-only forgeries sitting on top of the shared engine; it
- never touched the sweep, the edge family, or contact-plane maintenance. The
- same divergence should affect remotes walked at a rim — the accepted remote
- gate was a gravity roof-slide, which never reaches `edge_slide`.
-- **#134 is the same family and plausibly the same mechanism**, and its DONE
- status is a 2026-07-09 triage inference attributed to work that did not touch
- this code. Re-open it as a confirmation item on the same probe run.
-- **The fix** is to split `SetContactPlane` into retail's narrow setter plus an
- `InitContactPlane` seed, and point only the per-transition seed at the latter.
- Two files, ~20-25 lines, mostly deletion. The test cost is larger than the
- production cost: an existing test pins the divergence as correct and must be
- rewritten, and nine other files touching `LastKnownContactPlane` need
- re-inspection.
-- **Yes, measure first.** The divergence is proven; its reachability in the
- user's cliff is not, and one branch of my own reasoning predicts a stop rather
- than a fall, which I could not reconcile from source. `ACDREAM_DUMP_EDGE_SLIDE=1`
- already prints the branch taken and both normals at exactly the deciding site.
- One walk at the reproducing cliff settles it against the decision table in
- Section 6. No code should be written before that run.
diff --git a/docs/research/2026-08-06-334-contract.md b/docs/research/2026-08-06-334-contract.md
deleted file mode 100644
index 9b668b16..00000000
--- a/docs/research/2026-08-06-334-contract.md
+++ /dev/null
@@ -1,774 +0,0 @@
-# #334 — implementation contract: port retail's BSP cell-membership path
-
-**Filed** 2026-08-06. **Base** `f0588725`, branch
-`claude/resume-session-e0bd03e1-d5bf45`.
-**Status** IMPLEMENTED 2026-08-06. S0 measured (see the ISSUES #334 entry for the
-figures); the S1/S2 split was collapsed into one commit because S1 alone changes no
-behaviour and its P2 golden is asserted by S2 test T6. Deviations from this contract,
-all reported at the fix: (a) §2.7 / T7 — the INDOOR part-array overload is NOT ported
-and is now AP-159 / issue #335, so the fix covers the outdoor half only, which is the
-whole of the measured defect; (b) the outdoor rectangle runs at seed time rather than
-only from find_bbox_cell_list’s residency-gated walk (AD-49); (c) §11.4 is RESOLVED —
-CCellPortal::GetOtherCell @0x0053ba30 IS handed cellarray->do_not_load_cells as its
-single explicit thiscall argument (0x0052cc27/0x0052cc2b); (d) §4.2’s 7×7 upper bound
-is EXCEEDED in the field — the worst single-owner rectangle over all installed
-landblocks is 9×9, for the reason the contract itself caveated. Everything else in
-§1 was independently byte-verified by disassembly and held.
-
-**Original status** CONTRACT ONLY — no production code, no tests, no commit in the
-session that produced this file.
-
-**One line.** acdream has never implemented retail's
-`CPhysicsObj::find_bbox_cell_list` path at all. Every object — including
-BSP-bearing ones — is routed through a port of the *other* branch,
-`CObjCell::find_cell_list`, whose outdoor expansion is a fixed 3×3 land-cell
-neighbourhood. The fix is to implement the missing path, not to enlarge
-anything.
-
----
-
-## 0. Executive summary
-
-Retail dispatches cell membership on `HAS_PHYSICS_BSP_PS` (0x10000) into two
-structurally different algorithms. acdream implements one of them and uses it
-for both.
-
-| | retail | acdream at `f0588725` |
-|---|---|---|
-| BSP-bearing object | `find_bbox_cell_list` → per-part **bounding box** → filled land-cell **rectangle** | `BuildShadowCellSet` → per-part **sphere** → **3×3** neighbourhood |
-| CylSphere object | `find_cell_list(cylspheres)` → 3×3 per sphere | same |
-| Sorting-sphere object | `find_cell_list(sortingSphere)` → 3×3 | same shape, different source field (AP-157) |
-
-The outdoor 3×3 is a **hard cap of ±1 cell (±24 m)** and is independent of the
-sphere's radius — see §9.3 for the proof. This is why AP-156 (which fixed the
-sphere's *position*) could not fix #334, and why widening the radius, adding a
-second sphere, or tuning any constant cannot fix it either. Those are not
-merely disallowed by policy; they are mechanically incapable of adding a tenth
-cell.
-
----
-
-## 1. Stage 1 — what retail actually does
-
-All addresses below were **disassembled from the PDB-paired binary**
-`C:\Users\erikn\Downloads\acclient.exe`
-(`py tools/pdb-extract/check_exe_pdb.py` → `=== MATCH ===`, linker
-2013-09-06T00:17:56Z, CodeView GUID `9e847e2f-777c-4bd9-886c-22256bb87f32`),
-not taken from Binary Ninja. Every address in §1 was resolved to the construct
-claimed for it. Four BN artifacts found in the process are listed in §9.
-
-### 1.1 The dispatch (`CPhysicsObj::calc_cross_cells` @`0x00515230`, pc:283332)
-
-```
-00515285 f786a800000000000100 test dword ptr [esi + 0xa8], 0x10000
-0051528f 7574 jne 0x515305 ; -> find_bbox_cell_list
-00515291 8b4e10 mov ecx, [esi + 0x10] ; part_array
-00515298 e8e32d0000 call 0x518080 ; GetNumCylsphere
-0051529f 743b je 0x5152dc ; 0 -> sorting sphere
-```
-
-`0xa8` is `CPhysicsObj::state`; `0x10000` is `HAS_PHYSICS_BSP_PS`
-(`acclient.h:2833`). The static twin
-`CPhysicsObj::calc_cross_cells_static` @`0x00515160` (pc:283280) carries the
-**identical** gate at `0x005151b0` and differs only in setting
-`CELLARRAY::do_not_load_cells = 1`. Both tails are
-`remove_shadows_from_cells` → `add_shadows_to_cells`.
-
-### 1.2 The flood driver (`CPhysicsObj::find_bbox_cell_list` @`0x00510fc0`, pc:279006)
-
-This function **forms no bounding box itself** — it is a worklist. That is the
-grain of truth in the "no bounding box at all" claim, and it is why that claim
-is misleading: the boxes are formed one and two levels down (§1.4, §1.6).
-
-```
-00510fd5 mov eax,[ebx+0x90] ; obj->cell
-00510fe2 call 0x6b4ff0 ; CELLARRAY::add_cell(ca, cell->m_DID.id, cell) <- seed
-00510ff8 mov eax,[esi+8] ; num_cells
-00511012 call 0x518160 ; CPartArray::calc_cross_cells_static(pa, cell_i, ca)
-00511017 mov eax,[esi+8] ; num_cells RE-READ each iteration <- the array GROWS
-0051101d jb 0x511002
-```
-
-Seed with the object's own cell, then walk the array while it grows. Transitive
-closure over the cell graph, terminated by `CELLARRAY::add_cell`'s dedup.
-
-### 1.3 The per-cell dispatch (`CPartArray::calc_cross_cells_static` @`0x00518160`, pc:286228)
-
-Three-instruction thunk. **Not** the extent walk, despite the name:
-
-```
-00518176 ff527c call dword ptr [edx + 0x7c] ; cell->vtable[0x7c]
-```
-
-`CObjCell`'s vftable base is `0x007c8b20`; `+0x7c` = `0x007c8b9c`, which holds
-`0x0052b080` — the 4-argument
-`find_transit_cells(uint numParts, CPhysicsPart** parts, CELLARRAY*)`
-overload, distinct from the 6-argument `(Position, uint, CSphere*, CELLARRAY*,
-SPHEREPATH*)` sphere/transition overload at `0x0052b070`.
-
-Overrides: `CEnvCell` @`0x0052cae0` (pc:310127), `CLandCell` @`0x00533840`
-(pc:317612), `CSortCell` @`0x00534080` (pc:318323), base `CObjCell`
-@`0x0052b080` = `Turbine::Debug::Abort()`.
-
-### 1.4 Outdoors — the extent walk (`CLandCell::add_all_outside_cells` @`0x00533360`, pc:317289)
-
-`CLandCell::find_transit_cells` = `add_all_outside_cells` + `CSortCell`'s
-building bridge. The extent walk is here.
-
-```
-if (cellarray.added_outside) return; # 0053336c, runs ONCE per flood
-cellarray.added_outside = 1;
-p0 = first non-null part; # 005333a2..005333ad
-gid = adjust_to_outside(&p0->pos) ? outCellId : 0;
- # 005333dd call 0x5a9bc0
- # 005333eb neg esi / sbb esi,esi / and esi,eax
-cell0 = LScape::get_landcell(landscape, gid); # 0053340c
-if (!cell0) return; # 00533417 je 0x53361c
-if (!gid_to_lcoord(gid, &gx, &gy)) return; # 00533428, GLOBAL land-cell coords
-baseX = ((gid & 0xFFFF) - 1) >> 3; # 0053343a and eax,0xffff / dec / shr 3
-baseY = (gid - 1) & 7; # 00533443 dec esi / and esi,7
-minDX = minDY = maxDX = maxDY = 0; # 00533390..0053339c
-for each non-null part p:
- if (!p->Always2D()):
- b = BBox::LocalToGlobal(p->gfxobj->gfx_bound_box, p->pos, cell0->pos);
- # 0053350e GetBoundingBox, 00533527 LocalToGlobal
- a = floor(b.min.x / 24); bb = floor(b.min.y / 24);
- c = floor(b.max.x / 24); d = floor(b.max.y / 24);
- else:
- (sphere centre -/+ radius) / 24, floored
- minDX = min(minDX, a - baseX); # 005335a2 sub esi,edx / jge
- minDY = min(minDY, bb - baseY); # 005335b4
- maxDX = max(maxDX, c - baseX); # 005335c2 / jle
- maxDY = max(maxDY, d - baseY); # 005335d5
-add_cell_block(gx+minDX, gy+minDY, gx+maxDX, gy+maxDY, cellarray); # 00533614
-```
-
-**The four stack reads are byte-verified as `min.x, min.y, max.x, max.y`.** The
-`fld` displacements (`[esp+0x48]`, `[esp+0x54]`, `[esp+0x5c]`, `[esp+0x60]`)
-look inconsistent because `sub esp,8` at `0x533536` and `add esp,8` at
-`0x533592` bracket the middle three; normalised to the entry frame they are
-`+0x48, +0x4c, +0x54, +0x58`, and the out-`BBox` written by `LocalToGlobal`
-(`lea ecx,[esp+0x54]` at three-pushes depth) is based at `+0x48`. A `BBox` is
-`m_vMin`(0,4,8) `m_vMax`(0xc,0x10,0x14), so those four are exactly
-min.x / min.y / max.x / max.y. Z is never read — land cells are a 2-D grid.
-
-The four accumulators are initialised to **0**, so the rectangle always
-contains the base cell even when the box math contributes nothing.
-
-`square_length` = `0x7c920c` = `24.0f`, read from the binary
-(`00 00 c0 41`).
-
-### 1.5 Filling the rectangle (`CLandCell::add_cell_block` @`0x005331d0`, pc:317202)
-
-```
-for x = x0 .. x1 inclusive: # 005331e4 / 0053324d jle
- for y = y0 .. y1 inclusive: # 005331f0 / 00533246 jle
- if (x >= 0 && y >= 0 && x < 0x7f8 && y < 0x7f8): # 2040 = 255*8
- id = (((x >> 3) << 8) | (y >> 3)) << 16 | ((x & 7) * 8 + (y & 7) + 1)
- # 0053320a..0053322e
- add_cell(ca, id, LScape::get_landcell(landscape, id))
-```
-
-Three properties that matter:
-
-1. **The rectangle is filled, not outlined.** An L-shaped or diagonal object
- claims cells its geometry never enters. Retail's coverage is deliberately
- conservative.
-2. **`x`/`y` are GLOBAL land-cell coordinates** over the 2040×2040 world grid
- and the landblock prefix is re-derived per cell, so the rectangle **crosses
- landblock boundaries freely**.
-3. `add_cell` (`0x006b4ff0`) dedups by **id** via a linear scan and stores the
- `LScape` pointer beside it — including `null` for a non-resident cell.
-
-`gid_to_lcoord` @`0x00497a90` (pc:163500) byte-verified to return global
-coords: `*x = ((gid>>21) & 0x7f8) + ((cellIdx-1)>>3)`,
-`*y = (lby << 3) + ((cellIdx-1) & 7)`.
-
-### 1.6 The box itself (`CPhysicsPart::GetBoundingBox` @`0x0050d600`, pc:274837)
-
-```
-0050d60a return &this->gfxobj->gfx_bound_box;
-```
-
-`gfx_bound_box` is filled by `CGfxObj::init_end` @`0x00534200` (pc:318480):
-seed `min = max = vertices[0]`, then `BBox::AdjustBBox` over every vertex of
-`vertex_array`. **It is the AABB of the GfxObj's vertex array in the GfxObj's
-own frame** — the render vertex array, which is also the array the physics
-polygons index into.
-
-`BBox::LocalToGlobal` @`0x005b2120` (pc:448440) is a proper **8-corner
-re-fit**: transform `min`, seed both corners from it, transform the other
-seven and `AdjustBBox` each. A rotated box therefore grows, conservatively.
-The output frame is `cell0->pos`'s — i.e. landblock-local metres, which is
-what makes `floor(v / 24)` comparable to `baseX`/`baseY` in 0..7.
-
-### 1.7 Indoors (`CEnvCell::find_transit_cells` @`0x0052cae0`, pc:310127)
-
-Per portal × per part:
-
-- centre of the part's physics sphere in cell-local space
- (`Position::localtolocal`), tested against the portal plane with
- `eps = 0.0002 + radius` (`0x0052cb65`) — a cheap reject;
-- on pass, `BBox::LocalToLocal(partBBox, part->pos, cell->pos)` then
- `Plane::intersect_box(portalPlane, box)` (`0x0052cc05`). **The admitting
- test is box-vs-plane, not sphere-vs-plane.**
-- if the result differs from `portal_side`: `other_cell_id == 0xFFFFFFFF` sets
- a flag meaning *this portal leads outside*; otherwise
- `BBox::LocalToLocal` into the destination cell and
- `CCellStruct::box_intersects_cell` gates the add.
-- after all portals, the outside flag runs
- `CLandCell::add_all_outside_cells` (`0x0052ccea`).
-
-### 1.8 Answer to "is retail exact or conservative?"
-
-**Conservative, in four compounding ways**, all in the over-inclusive
-direction: the render-mesh AABB rather than the physics hull; axis-aligned
-re-fit after rotation; a *filled* rectangle rather than a per-cell test; one
-rectangle unioned across all parts rather than per-part rectangles. Retail
-registers the object in cells its geometry does not touch and lets the narrow
-phase reject. That is the safe direction (#98 / #168 are the other one), and it
-means a faithful port does not need to be clever.
-
----
-
-## 2. The exact change, by symbol
-
-### 2.1 New: `CellTransit.BuildShadowCellSetFromParts` (`src/AcDream.Core/Physics/CellTransit.cs`)
-
-Port of `find_bbox_cell_list` (§1.2). Signature mirrors
-`BuildShadowCellSet`, taking part boxes instead of spheres:
-
-```
-public static IReadOnlyList BuildShadowCellSetFromParts(
- PhysicsDataCache cache,
- uint seedCellId,
- IReadOnlyList worldParts, // new value type, §2.3
- bool isStatic)
-```
-
-Body: seed with `seedCellId`; walk `candidates` by index while it grows
-(re-reading `Count`, §1.2); per candidate dispatch outdoor →
-`AddAllOutsideCellsFromParts` + the existing building bridge, indoor →
-`FindTransitCellsParts`.
-
-### 2.2 New: `CellTransit.AddAllOutsideCellsFromParts`
-
-Port of §1.4 + §1.5. Reuses the existing `AddOutsideCell` helper (already
-global-lcoord and already landblock-crossing — do not touch it) inside a
-double loop, with the `0 <= v < 0x7f8` clamp from §1.5. Guarded by the same
-once-per-flood `added_outside` latch `BuildShadowCellSet` already models, but
-note the **cardinality change**: the sphere overload runs the whole body per
-sphere; the parts overload computes **one** rectangle over all parts and runs
-once.
-
-### 2.3 New: `ShadowPartBox` (`src/AcDream.Core/Physics/`)
-
-`(Vector3 LocalMin, Vector3 LocalMax, Vector3 LocalPosition, Quaternion
-LocalRotation, float Scale)` — the per-part input to the 8-corner re-fit.
-Follow `ShadowShape`'s AP-156 precedent: **factory-only construction, with min
-and max arriving as one value**, so no future call site can take one and drop
-the other.
-
-### 2.4 Changed: `ShadowShape` — carry the box
-
-Add `LocalBoundsMin` / `LocalBoundsMax`, filled by the **same resolver that
-already supplies `Radius` and `BoundsCenter`**. This is the AP-156 invariant
-re-applied: one resolver, one value, scaled together.
-
-Source: `FlatGfxObjVisualBounds.Min` / `.Max`, which
-`FlatCollisionAssetBuilder.FlattenGfxObj` already computes from
-`PhysicsDataCache.ComputeVisualBounds(source.VertexArray)` — **the exact
-`CGfxObj::init_end` computation** — and which
-`FlatCollisionAssetSerializer` already writes into the prepared package. **No
-bake-format change, no DAT re-read, no new parsing.** This is the single
-largest de-risking fact in this contract.
-
-Resolvers to widen: `ShadowShapeBuilder.FromSetup`'s
-`physicsBspBounds: Func` and
-`FromLandblockBspParts`'s `Func getGfxObj`;
-`LiveEntityCollisionBuilder._physicsBspBounds` is the single live supplier.
-
-### 2.5 Changed: `ShadowObjectRegistry.RegisterMultiPart`
-
-The dispatch, mirroring §1.1 — this is the whole fix in one place:
-
-```
-bool hasBsp = shapes.Any(s => s.CollisionType == ShadowCollisionType.BSP);
-var cellSet = hasBsp
- ? CellTransit.BuildShadowCellSetFromParts(FloodCache, seed, boxes, isStatic)
- : CellTransit.BuildShadowCellSet (FloodCache, seed, spheres, spheres.Count, isStatic);
-```
-
-### 2.6 What happens to `BuildFloodSpheres`
-
-**It stays, unchanged, and keeps its cap logic** — it is a correct port of the
-`!HAS_PHYSICS_BSP` branch's two arms, which retail still uses for CylSphere and
-sorting-sphere objects. What changes is that its **BSP arm becomes dead**: with
-the §2.5 dispatch, a shape list containing a BSP shape never reaches it.
-
-Delete the BSP arm rather than leaving it unreachable. That arm's XML doc
-(`ShadowObjectRegistry.cs:436-442`, "A BSP part contributes its ROOT BOUNDING
-SPHERE placed at its real center") becomes false the moment §2.5 lands and must
-go with it. Leaving a dead-but-plausible BSP arm behind is exactly how a future
-producer silently re-acquires the bug.
-
-Objects that legitimately are spherical are **untouched**: same function, same
-cap, same 3×3, byte-identical cell sets. That is proof obligation P2.
-
-### 2.7 Indoor half: `CellTransit.FindTransitCellsParts`
-
-Port of §1.7 alongside `FindTransitCellsSphere` (which stays for the sphere
-route). This is the half AP-156's row already names as its open residual.
-
----
-
-## 3. Interaction with what landed tonight
-
-### 3.1 AP-156 (`b52967de`) — **this port RETIRES its open residual**
-
-AP-156's row states its remainder explicitly: *"Closing it means porting the
-per-cell `find_transit_cells` part-array overload, which is different work from
-getting the sphere set right."* That is precisely §2.1/§2.2/§2.7. **Sequential,
-not competing; AP-156 is a prerequisite and stands.**
-
-Two register consequences, both in the same commit as the fix:
-
-- **AP-156's Risk column is FALSE as written and must be corrected before it is
- retired.** It records the traversal residual as *"extra broadphase
- candidates, never a missed one."* #334 is a missed one. The row generalised
- the **indoor** direction (sphere-vs-portal-plane, over-inclusive) to the
- whole residual, and the **outdoor** direction is the opposite: a fixed 3×3
- that is under-inclusive for every object wider than one cell. Correct the row
- first, then retire it — a row deleted while still carrying a false risk
- statement takes the finding with it.
-- `BoundsCenter` stays. It still positions the sphere for the non-BSP routes
- and for the `eps = 0.0002 + radius` portal pre-reject in §1.7.
-
-### 3.2 AP-152 (`4abd1b5e`) — **preserved and depended on, not conflicting**
-
-AP-152 made shape emission BSP-exclusive: a BSP-bearing Setup emits BSP shapes
-and no primitive. §2.5's `hasBsp` predicate is therefore *unambiguous* — post
-AP-152 a shape list is homogeneous in practice, so "has a BSP shape" and
-"is a BSP object" coincide, exactly as retail's cached `HAS_PHYSICS_BSP_PS`
-does. **Without AP-152 this dispatch would be ill-defined.** Nothing to narrow
-or retire; add a cross-reference from AP-152's row.
-
-### 3.3 AP-158 / #333 — **a blocking interaction, and the one thing that can make this fix look like it did nothing**
-
-The broadphase reach filter discards a candidate when
-`distToCurr > sphereRadius + obj.Radius + movement + 2f`, measuring from the
-**part origin**. This port's whole purpose is to register objects in cells
-*further from the part origin than the sphere reaches* — which is the precise
-input that makes AP-158 fire.
-
-Bound: a player standing at the far corner of the new rectangle is up to
-`~1.73·R + |BoundsCenter|` from the part origin, against a budget of
-`R + r + move + 2`. For `R = 69.471` and the measured
-`|BoundsCenter| = 34.977` that is ~155 m tested against ~72 m — **rejected**.
-
-For the specific Neftet object the fix does still work: the player positions in
-the two adjacent cells sit ~50 m from the part origin against a ~72 m budget,
-so those cells pass. **But the general statement is that #334's fix is
-necessary and not sufficient**, and the AP-156 fix review already recorded this
-exact failure mode one layer up ("the fix may produce no visible change at all,
-because the geometry now lands in the right cell and is then discarded by the
-filter"). Do not let it happen twice.
-
-**Directive:** the §7 gate must report `rejectedReach` per scenario. A gate that
-shows `inCell` rise while `rejectedReach` rises with it is a **fail**, and the
-remedy is #333, not a wider budget here.
-
----
-
-## 4. Cost — measured where possible, and honestly bounded where not
-
-### 4.1 What the cost is, structurally
-
-Cells per object changes from **≤ 9, position-dependent** to
-**(⌈Xextent/24⌉+1) × (⌈Yextent/24⌉+1)**.
-
-The crossover is exact and favourable: **any object whose XY extent is ≤ 24 m
-yields at most 2×2 = 4 cells — fewer than today's 9.** The port is *cheaper*
-for every creature, prop, door and item, and more expensive only for objects
-wider than one land cell. Those are landblock-baked terrain formations and
-building shells.
-
-### 4.2 Measured worst live case
-
-From the committed probe log (`334-neftet-probe.log`), the only object in the
-sample above 1.4 m: `gfx=0x010046D8`, `objR = 69.471`,
-`|bspCentreOffset| = 34.977`. The three other BSP objects observed are
-1.075 / 1.271 / 1.370 m — i.e. 1×1 rectangles, strictly cheaper than today.
-
-Upper bound for the outlier: the box is contained in the mesh's extent, so
-extent ≤ 2R = 138.9 m → at most `floor(138.9/24)+1 = 6` cells per axis, +1 for
-straddle = **7×7 = 49 cells**, versus 9 today. Caveat stated plainly: this
-bound assumes the BSP root sphere bounds the whole vertex array; it bounds the
-*physics polygons'* vertices, which are a subset, so a render-only vertex
-outside it would exceed the bound.
-
-### 4.3 Where the cost lands relative to existing budgets
-
-- **Not on the per-frame resolve path.** Slice I1 measured 0 B/resolve for
- player, remote, projectile, camera and grounded walkable-publication
- profiles; the flood is registration-time, not resolve-time. The ordinary
- production profile's CPU/GPU p50 of 1.869 / 1.096 ms is not exposed to it.
-- **Landblock statics** (`isStatic: true`, both hosts): once per landblock
- publication, already metered by the Slice E retirement/publication budgets.
-- **Live remotes:** `RuntimeRemotePhysicsUpdater` re-floods per tick, gated on
- >1 cm movement / rotation / cell change. Creature extents are ≪ 24 m → ≤ 4
- cells → **strictly cheaper than the current 3×3 on the hottest path in the
- system.**
-
-### 4.4 The real cost is memory, not CPU
-
-`_cells` is `Dictionary>` and
-`RegisterMultiPart` writes **every shape row into every flooded cell**. Rows
-per object = `shapes × cells`. For a many-part baked formation at 49 cells this
-is a 5.4× row multiplication over today's 9. Landblock-baked part arrays are
-the population with both the largest part counts and the largest extents, so
-the two multiply.
-
-### 4.5 What I could NOT measure, and the measurement to run first
-
-**I did not enumerate the installed distribution of physics-BSP GfxObj bounding
-boxes.** It is not derivable from anything in the repo: the register's existing
-figures (973 physics-BSP parts, 530 BSP-bearing Setups, 477 unique physics-BSP
-GfxObjs, 118 above 2.5 m offset, 46 above 5 m) are all **sphere** statistics.
-
-**Required before any code is written** — same route the AP-156 and #333
-figures used (an out-of-repo scratch program over the installed
-`client_portal.dat`), reporting over all 477 unique physics-BSP GfxObjs:
-
-1. histogram of `ceil(Xextent/24)+1` × `ceil(Yextent/24)+1`;
-2. the count exceeding 1×1, 2×2 and 4×4;
-3. the worst case, with its gfx id;
-4. total `Σ shapes × cells` over one dense landblock (Arwic) before and after.
-
-**Gate:** if the p99 rectangle exceeds 7×7 or the dense-Arwic row total more
-than doubles, stop and report rather than proceeding. That is the point at
-which "the faithful port is too expensive" becomes a real finding and the
-honest alternative — retail's own `CELLARRAY` growth policy, or a shared row
-rather than a per-cell copy — gets designed deliberately instead of discovered
-in a profile.
-
----
-
-## 5. Blast radius — BOTH hosts, checked not inferred
-
-`ShadowObjectRegistry` and `CellTransit` are in **`AcDream.Core`**, which both
-hosts reference. Project graph read from the `.csproj` files:
-
-```
-AcDream.Headless -> AcDream.Runtime -> {Core, Core.Net, Content, Plugin.Abstractions}
-AcDream.App -> {Runtime, Core, Core.Net, Content, UI.Abstractions, Plugins.Smoke}
-```
-
-### 5.1 Production call sites of `RegisterMultiPart` (complete)
-
-| site | host reach |
-|---|---|
-| `src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs:178` | App only |
-| `src/AcDream.App/Streaming/LandblockPhysicsPublisher.cs:959, 1044` | App only |
-| `src/AcDream.Content/LandblockPhysicsContentBuilder.cs:619, 700` | **App AND Headless** |
-
-### 5.2 Headless is reached — verified by call site, not by dependency inference
-
-`src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs` calls
-`LandblockPhysicsContentBuilder.HydrateStaticEntities` (:386),
-`HydrateProceduralScenery` (:392), `BuildDatBundle` (:403),
-`PublishPreparedCells` (:435), `CacheBuildings` (:442),
-`CachePreparedObjects` (:447). Lines 619 and 700 of that builder — the
-`FromLandblockBspParts` BSP path and the `FromSetup` path — are exactly the
-sites that register the landblock-baked formations #334 is about.
-
-**Headless registers the same objects through the same Core code and is
-affected identically.** This is the survey C5b missed and the direction AP-152's
-contract got wrong; it is settled here by reading the call sites.
-
-### 5.3 Consumers that must NOT change
-
-`_cells` shape is unchanged (same key, same row type), so every reader —
-`TransitionTypes`, `PhysicsEngine`, `CollisionWorldState`,
-`RuntimePhysicsState`, `ShadowPositionSynchronizer`,
-`RuntimeCollisionReportingState`, `ProjectileController`, camera collision —
-sees only a different *membership*, never a different *shape*. No consumer
-signature changes.
-
----
-
-## 6. Proof obligations and test plan
-
-### 6.1 Proof obligations
-
-- **P1 — rectangle equality.** For a BSP object the registered outdoor set
- equals `add_cell_block(gx+minDX, gy+minDY, gx+maxDX, gy+maxDY)` exactly:
- not a superset, not a subset, and *filled*.
-- **P2 — non-BSP invariance.** Cylinder-only and Sphere-only owners register
- byte-identical cell sets to `f0588725`.
-- **P3 — map bounds.** No registered cell has a global lcoord outside
- `[0, 0x7f8)`.
-- **P4 — host agreement.** App and Headless produce the same cell set for the
- same landblock and seed.
-- **P5 — negative-safe floor.** `floor`, not truncation (see trap §8.5).
-
-### 6.2 Tests — each with the sabotage that must redden it
-
-Every fixture below is **non-degenerate on the axis under test**: in particular
-**every BSP fixture has an extent that exceeds its own radius**, which is the
-whole property at issue. A fixture whose box fits inside its sphere makes the
-new path and the old path agree and proves nothing — that is the failure mode
-this campaign has now hit ten times.
-
-| # | test | sabotage that MUST redden it |
-|---|---|---|
-| T1 | Part with 100 m × 100 m box and 1 m sphere → rectangle spans ≥ 5 cells per axis | swap the box for the sphere → collapses to 3×3 |
-| T2 | Two parts forming an L → the notch cell **is** present (rectangle is filled) | compute per-part rectangles and union them → notch disappears |
-| T3 | Box reaching past cellX 7 → cells carry the **neighbour landblock's** prefix | clamp the rectangle to the seed landblock |
-| T4 | Rectangle at the map corner → no cell outside `[0, 0x7f8)` | drop the `0x7f8` clamp |
-| T5 | Non-cubic box rotated 37° → rectangle grows vs unrotated | transform only min/max instead of all 8 corners |
-| T6 | Cylinder-only owner → cell set identical to a `f0588725` golden | route every owner through the box path |
-| T7 | Owner straddling an EnvCell portal whose **box** crosses the plane but whose **sphere** does not → destination cell present | keep `FindTransitCellsSphere` on the BSP route |
-| T8 | Seed cell not resident → outdoor registration skipped, no throw (§1.4 `if (!cell0) return`) | drop the null check |
-| T9 | Negative delta (box extends below the base cell) → cells with lower lcoord present | use `(int)(v/24f)` truncation instead of `MathF.Floor` |
-
-### 6.3 T10 — the installed-DAT replay of the measured evidence (strongest test)
-
-Assert that `gfx=0x010046D8` (entity `0xC8764000`, position
-`(63.78, 248.29, 0.08)`, from the committed probe log) registers into
-**`0x87640011` and `0x87640019`** — the two cells the probe measured EMPTY —
-as well as `0x8764000A` and `0x87640012`, which it measured populated.
-
-Sabotage: revert `RegisterMultiPart` to `BuildFloodSpheres` → the two new cells
-vanish.
-
-This asserts observed reality and re-encodes no constant under test.
-
-**Precondition that must be honoured, not assumed.** Whether the box actually
-reaches those two cells is a **prediction, not a measurement**. §9.3 establishes
-that the current 3×3 is centred on cell `0x87640013` (x=2, y=2) and therefore
-structurally cannot reach cellY 0 — that half is proven. Whether
-`0x010046D8`'s box extends ≥ 48 m in −Y is not.
-
-**Directive:** measure `0x010046D8`'s `FlatGfxObjVisualBounds` first and derive
-the expected rectangle from it. If the measured box does **not** reach
-`0x87640011` / `0x87640019`, **stop and report** — that would mean the
-diagnosis is incomplete and a second mechanism is present. Do not weaken the
-test to match; do not pin the cell list before the box is read.
-
-### 6.4 Not permitted
-
-No source-text pins. No test asserting `24f` or `0x7f8` by reading the
-constant it is testing. No test whose expected cell set was produced by running
-the new code.
-
----
-
-## 7. Gate design — positive evidence, named observables
-
-`ACDREAM_PROBE_REACH` (`b61f5fd4`,
-`PhysicsDiagnostics.ProbeReachEnabled`) produces the before/after comparison
-directly. Capture one log at `f0588725` and one at the fix commit, same route.
-
-**Per-scenario pass condition** — all three must hold:
-
-1. a `[reach-obj]` row with `gfx=0x010046D8` appears in cells where it did not
- before;
-2. that row's `disp` is `tested-*`, **not** `rejected-reach` (§3.3);
-3. `[reach-q]`'s `inCell` rises **and** `rejectedReach` does **not** rise with
- it.
-
-**Scenarios, named by the user's own report:**
-
-- **G1 — walk through on flat ground.** Approach a formation on level ground
- and walk into its face. Observable: blocked, `blocked ≥ 1`.
-- **G2 — the boundary between two formations.** Walk along the seam where two
- formations meet — the exact geometry the report calls out. Observable:
- continuously blocked across the seam; before the fix `inCell=2 exempt=2` with
- no rock row, after it a rock row in every cell along the seam.
-- **G3 — jump over and land inside.** Jump onto/over a formation. Observable:
- lands **on** the geometry, does not fall through; a walkable contact plane is
- reported at the landing tick.
-- **G4 — a formation the fix should not change.** Any 1×1-extent prop nearby:
- its cell set must be unchanged (visual P2 corroboration).
-
-**Regression gates:** Release build (after deleting all `bin`/`obj` — four
-stale-DLL incidents this session, one under `-t:Rebuild`); complete solution
-suite; the exact-binary lifecycle/reconnect route; the canonical nine-stop
-route; the native-Linux Headless multi-session run, since §5.2 puts Headless in
-scope.
-
----
-
-## 8. Traps
-
-1. **AP-158 masks the fix in far cells.** §3.3. The most likely way this lands
- green and changes nothing the user can see.
-2. **Cardinality change.** The sphere overload runs its whole body *per
- sphere*; the parts overload computes **one** rectangle over all parts and
- runs **once**. Reusing the sphere loop's per-item structure produces N
- rectangles and silently breaks T2.
-3. **`0x00518160` is not the extent walk.** It is a 3-instruction vtable thunk.
- The extent walk is `0x00533360`. #334's issue body cites the former as "a
- walk over the object's extent" (§9.2).
-4. **Two functions named `calc_cross_cells_static`.**
- `CPhysicsObj::` @`0x00515160` is a *caller* of `find_bbox_cell_list`;
- `CPartArray::` @`0x00518160` is the thunk *below* it. They are not on the
- same level and confusing them inverts the call graph.
-5. **`floor`, not truncation.** Retail calls `floor` then `_ftol2`. C#
- `(int)(v / 24f)` truncates toward zero and is wrong for every negative
- block-local coordinate. T9.
-6. **The base gid comes from the FIRST NON-NULL PART's
- `adjust_to_outside`,** not from the object's position (`0x005333a2`).
- `DeriveOutdoorSeed` clamps to the seed block; the rectangle must not
- inherit that clamp.
-7. **Global vs within-landblock indices in the same expression.**
- `gid_to_lcoord` returns global coords; `baseX`/`baseY` are within-block
- 0..7. The deltas bridge them. Mixing the two frames is the single most
- likely arithmetic error, and BN's own output already drops the
- `and eax,0xffff` that makes `baseX` within-block (§9.4).
-8. **Do not touch `AddOutsideCell`.** It is already correct and already
- landblock-crossing; the new path composes it.
-9. **The `isStatic` prune is indoor-seeded only.** The outdoor rectangle is
- deliberately unpruned. Extending the prune to it would re-create #334 in a
- new form.
-10. **Don't leave `BuildFloodSpheres`' BSP arm unreachable-but-plausible.**
- §2.6.
-
----
-
-## 9. Claims found FALSE or STALE at `f0588725`
-
-### 9.1 "`find_bbox_cell_list` forms no bounding box at all" — MISLEADING; refuted as a characterisation
-
-Literally true of that one function (§1.2 — it is a worklist driver). False as a
-description of the mechanism: the boxes are formed in
-`CLandCell::add_all_outside_cells` (§1.4, `GetBoundingBox` +
-`BBox::LocalToGlobal`) and `CEnvCell::find_transit_cells` (§1.7,
-`BBox::LocalToLocal` + `Plane::intersect_box`), one and two levels below. The
-name is accurate. Reading only the top frame and stopping is what produced the
-claim.
-
-### 9.2 `docs/ISSUES.md` #334 — address chain imprecise
-
-The issue reads *"`find_bbox_cell_list` @0x00510fc0 → `calc_cross_cells_static`
-@0x00518160, i.e. a walk over the object's extent."* The **routing is correct**
-and the **conclusion is correct**, but `0x00518160` is `CPartArray::`'s vtable
-thunk (§1.3), not an extent walk, and the similarly named
-`CPhysicsObj::calc_cross_cells_static` @`0x00515160` is a *caller* of
-`find_bbox_cell_list`, not a callee. Correct chain:
-`0x00515230` → `0x00510fc0` → `0x00518160` → `[vtbl+0x7c]` →
-`0x00533840` → `0x00533360` → `0x005331d0`.
-
-### 9.3 #334's stated cause is right but understates the mechanism — and this is what kills "widen the sphere"
-
-The issue attributes the loss to the sphere's radius (69.471 m) being smaller
-than a landblock (192 m). The operative cap is not the radius at all.
-`CellTransit.AddAllOutsideCells` computes `minRad = radius`,
-`maxRad = 24 − radius`, and adds at most the **eight** neighbours of the
-sphere's own cell. **For any radius ≥ 12 m both boundary tests are
-unconditionally true and the result is exactly the 3×3 — a larger radius cannot
-add a tenth cell.** Outdoor reach is hard-capped at ±24 m for every object in
-the game.
-
-Consequence: widening the radius, adding a supplementary sphere at another
-point (it would produce its own 3×3, not a joined region), or tuning any
-constant is *mechanically* incapable of fixing this, not merely disallowed.
-
-**Independent confirmation against the measured data.** Global lcoords
-(lbx=0x87, lby=0x64): present `(1081,801)`, `(1082,801)`; absent
-`(1082,800)`, `(1083,800)`, `(1082,799)`. A 3×3 centred at `(1082,802)` — cell
-`0x87640013`, x=2, y=2 — contains both present cells and excludes all three
-absent ones. Every other candidate centre contradicts at least one observation.
-The player's own logged positions (`currPos ≈ (52.4, 216.0)` while in
-`0x87640012`) independently constrain the landblock origin to the same
-solution. **The 3×3 hypothesis explains the measured evidence with zero
-contradictions.**
-
-### 9.4 Binary Ninja artifacts in `acclient_2013_pseudo_c.txt` — four, all in the load-bearing function
-
-Anyone porting §1.4 from the pseudo-C alone gets these wrong:
-
-1. `add_all_outside_cells` pc:317343 renders `baseX` as
- `((uint32_t)esi_4 - 1) >> 3`. **BN dropped the `and eax, 0xffff`**
- (`0x0053343a`). Without it `baseX` includes the landblock bits and every
- delta is garbage.
-2. pc:317330 renders the base-gid select as `((esi_2 - esi_2) & var_58)`,
- which is identically **zero**. The real code is the standard
- `neg esi / sbb esi,esi / and esi,eax` conditional select
- (`0x005333eb`) = `retval ? outsideCellId : 0`.
-3. `add_cell_block` pc:317219 renders
- `LScape::get_landcell(landscape, edx_2)` with `edx_2 = i & 7`. The real
- argument is `esi`, the full computed cell id (`0x00533230 push esi`).
- Same artifact in `add_all_outside_cells` (`..., added_outside)` where
- `added_outside == 0`).
-4. Both `x87` flag tests in the min/max accumulation appear as
- `unimplemented {test ah, ...}` / bit-shuffled `FCMP_UO` expressions. The
- real comparisons are plain integer `jge`/`jle` on `_ftol2` results
- (`0x005335a6`, `0x005335b8`, `0x005335c8`, `0x005335d9`) — the fifth
- confirmed instance this campaign of BN dropping flag semantics.
-
-### 9.5 AP-156's Risk column is FALSE for the outdoor half
-
-Recorded as *"extra broadphase candidates, never a missed one."* #334 is a
-missed one. §3.1.
-
-### 9.6 `ShadowObjectRegistry.cs:436-442` XML doc becomes false on landing
-
-*"A BSP part contributes its ROOT BOUNDING SPHERE placed at its real center."*
-True at `f0588725`; false the moment §2.5 lands. Delete with the BSP arm
-(§2.6).
-
-### 9.7 Stale, not false
-
-`CellTransit.BuildShadowCellSet`'s XML calls itself *"the sphere-overlap portal
-flood retail runs at SHADOW REGISTRATION time"* — accurate for the branch it
-ports, but it is presented as **the** registration flood when it is one of two.
-Narrow the wording when §2.1 lands.
-
----
-
-## 10. Size estimate and split call
-
-~600–800 production lines (two `CellTransit` ports, one value type, the
-`ShadowShape` field and its resolvers, the `RegisterMultiPart` dispatch, the
-`BuildFloodSpheres` BSP-arm deletion) plus ~400 test lines.
-
-**Split: THREE commits, sequential, one agent, no parallelism** (shared files —
-`CellTransit.cs`, `ShadowShape.cs`, `ShadowObjectRegistry.cs` — are touched by
-every slice).
-
-| slice | content | gate |
-|---|---|---|
-| **S0** | §4.5 measurement only. No repo change. | numbers reported; the §4.5 stop-gate evaluated |
-| **S1** | `ShadowPartBox`, `ShadowShape` bounds + resolvers, package/serializer read-through. No behaviour change. | full suite green; P2 golden cell sets bit-identical |
-| **S2** | `AddAllOutsideCellsFromParts` + `BuildShadowCellSetFromParts` + `FindTransitCellsParts` + the §2.5 dispatch + BSP-arm deletion | T1–T10; P1–P5; Release; both hosts; §7 connected gate |
-
-S0 is not optional. It is the slice that can still say "this is too expensive"
-before anything is written, which is the only honest way to make that call.
-
-**Rollback:** each slice reverts independently; S2 alone restores `f0588725`
-behaviour.
-
----
-
-## 11. What I could not establish
-
-1. **The installed distribution of physics-BSP GfxObj bounding boxes** — §4.5.
- Not derivable from the repo; every existing figure is a sphere statistic.
- S0 exists to close this.
-2. **Whether `0x010046D8`'s box actually reaches `0x87640011` / `0x87640019`**
- — §6.3. The *absence* is proven and its cause is proven; the *presence
- after the fix* is a prediction until the box is read. The contract makes
- reading it a precondition rather than an assumption, because a contract
- asserting a mechanism that does not exist is how this campaign produced
- three defects.
-3. **Whether `0x010046D8` is one object or several instances sharing a gfx
- id.** The log shows one entity id (`0xC8764000`) across all 1,356 rows, so
- one instance is the working assumption; a second instance elsewhere in the
- landblock would not change the diagnosis but would change T10's expected
- set.
-4. **Whether `CCellPortal::GetOtherCell` takes `do_not_load_cells` as a third
- argument.** BN reads the field at `0x0052cc2a` but shows a two-argument
- call. Only matters for indoor static registration (§2.7); resolve by
- disassembly during S2 rather than porting BN's shape.
diff --git a/docs/research/2026-08-06-337-neftet-wedge-mechanism.md b/docs/research/2026-08-06-337-neftet-wedge-mechanism.md
deleted file mode 100644
index 404a7e3c..00000000
--- a/docs/research/2026-08-06-337-neftet-wedge-mechanism.md
+++ /dev/null
@@ -1,279 +0,0 @@
-# #337 — the Neftet plateau wedge: mechanism, measured
-
-**Date:** 2026-08-06
-**Status:** mechanism proven offline; **fix LANDED 2026-08-06 — the preferred
-option below was taken, the filter is deleted.** Awaiting the user's live
-acceptance at the Neftet plateau.
-**Reproducer:** `tests/AcDream.Core.Tests/Physics/Issue337NeftetRockGeometryInspectionTests.cs`
-**Related:** #333 (filed: the broadphase reach filter has AP-156's defect at
-the query site), #334 (`13fcf381`, registration extent walk), AP-156
-(`b52967de`, flood sphere placement).
-
----
-
-## Verdict in one paragraph
-
-The collision mesh is present, correctly shaped, correctly placed in the
-world, and the BSP traversal reaches every part of it. **The mover never gets
-as far as the query.** `Transition.FindObjCollisionsInCell`'s per-object
-broadphase measures the mover's distance to the shadow entry's `Position` —
-the part **origin** — and compares it against `obj.Radius`, which is the
-physics-BSP **root bounding sphere's radius**. For this rock those two points
-are 23.6 m apart, so a mover standing on the plateau is inside the real
-bounding sphere by ~20 m of margin and is still rejected. Retail has no such
-filter at all. Everything else in the symptom set — the wedge, the sink, the
-corpse fall-through, ACE's spawn refusal, the 16,278 m/s rejection, the
-character vanishing from a retail observer's view — is downstream of that one
-rejection.
-
----
-
-## What was refuted, and by what measurement
-
-### 1. "The rock's own mesh never collides" — TRUE for `0xC8766002`, and it is INNOCENT
-
-`0xC8766002` / `gfx=0x010046DE` really does report 11,014 `tested-ok` with
-zero `tested-adjusted`, `tested-collided` or `tested-slid` across the whole
-capture. That is correct behaviour: **its geometry is 22.8 m away from the
-wedge point.** Over a 30 × 30 × 12 m lattice covering the whole plateau
-(12,493 points) it has **zero** brute-force hits — it simply is not there.
-
-It is a candidate in that cell only because it is a 130 × 147 m owner whose
-registration legitimately spans the cell. The probe families that reach it are
-working exactly as designed. This object was a red herring.
-
-The neighbours do collide: `0xC8766003` 767 adjusted / 26 collided,
-`0xC8766009` 1,135 adjusted / 708 slid / 58 collided. The rock the player
-actually walks on is **`0xC8766009` / `gfx=0x01004751`**.
-
-### 2. Wrong world transform — REFUTED
-
-The offline reconstruction from the installed DAT reproduces the runtime
-placement exactly: `0xC8766002` at `(84.699, 100.082, 13.000)` yaw −45.00°
-against the live `[geom]` line's `objPos=(84.70,100.08,13.00)` and its
-`bspCentreOffset` (which implies −45.00°). All eleven owners match. The
-transform is right.
-
-### 3. BSP traversal hole / bounding-sphere early-out — REFUTED
-
-A referee ran the production walk (`FlatBspQuery.SphereIntersectsPoly`,
-node bounding-sphere early-outs and all) against brute force over every
-polygon the tree indexes, at 7,770 probe points placed on both faces of every
-polygon of all eleven owners, plus 137,423 lattice points over the plateau.
-
-**Mismatch = 0 everywhere.** There is no pocket the traversal cannot reach.
-
-### 4. Missing / degenerate geometry, a hole in the walking surface — REFUTED
-
-A 0.5 m hole map over the plateau shows continuous upward-facing physics
-coverage across the whole wedge region; the only gaps are outside the rock's
-footprint. At the wedge XY the column is closed: an up-facing polygon at
-z = 50.985 (nz = +0.9805) over a down-facing one at z = 40.597 (nz = −0.9325),
-i.e. 10.4 m of solid rock, with the player's feet at z = 50.011 — **0.975 m
-inside it.**
-
-### 5. `[geom] verdict=coincident` — confirmed to mean less than it looks
-
-`LogGeometry` compares `physicsMin/Max` against `visualMin/Max`, both taken
-from the same GfxObj asset in the object's **own local frame**. No world
-transform enters the comparison. `coincident` proves shape agreement only.
-It happens to be true here, but it could never have been the discriminator.
-
----
-
-## The mechanism, measured
-
-### The frame-by-frame (337-support.log, cell `0x8766002B`)
-
-Landblock-local coordinates; the log's Y carries a +576 m live-centre offset,
-removed here. Player feet position; Setup `0x02000001` gives sphere[0] at
-feet + 0.475 with r = 0.480 and sphere[1] at feet + 1.350.
-
-| t | feet z | surface z at that XY | what happened |
-|---|---|---|---|
-| …218906–219296 | 51.096 | 51.081 | standing correctly (delta +0.015). **Every horizontal move of 0.25–0.53 m returns `moved=0.000, stalled=True`** on an 11° walkable slope. This is the wedge. |
-| 219328 | 51.096 → 51.389 | | player jumps to escape |
-| …–219937 | → 54.638 | | free rise, `support=none` |
-| …–221125 | 54.638 → 50.021 | 51.183 | **falls straight through the surface.** Six consecutive resolves accept the full commanded step with no contact plane. |
-| 221156 | 50.021 | | descent finally blocked, still no contact plane |
-| 221671 | 49.908 | 51.127 | `cpSrc=ValidateTransition:6076` — retail's stationary-fall failsafe **manufactures** a flat plane at z = 49.903, 1.2 m below the real rock surface |
-
-The `support=object cpNz=1.0000` readings inside the rock are not the rock.
-`ValidateTransition:6076` is retail's `FramesStationaryFall > 1` synthetic
-up-plane through the sphere bottom; `ValidateTransition:5997` is retail's
-`LastKnownContactPlane` restore, i.e. a **stale** plane retained from frames
-when the object was still admitted. Both are retail-correct responses to a
-stuck body — which is why the client believes it is standing while ACE
-believes the position is invalid.
-
-### The replay: the query would have hit
-
-`Issue337NeftetRockGeometryInspectionTests.ReplayTheDescentThatFellThrough…`
-runs each of those six descent steps as a swept sphere against `0xC8766009`'s
-real BSP:
-
-```
-CONTROL climb step ent=0xC8766009 sphere[0] swept=True(poly 22) static=True nearest=0.070 m
-CONTROL stand step ent=0xC8766009 sphere[0] swept=True(poly 26) static=True nearest=0.003 m
-FALL 2 51.269->50.961 sphere[0] swept=True(poly 31 t=0.0000) static=True nearest=0.248 m
-FALL 3 50.961->50.670 sphere[0] swept=True(poly 31 t=0.0000) static=True nearest=0.037 m
-FALL 4 50.670->50.335 sphere[0] swept=True(poly 31 t=0.0000) static=True nearest=0.366 m
-```
-
-The geometry is right there and the production primitive returns the hit.
-Path 6 of `FlatBspQuery.FindCollisionsCore` (the airborne dispatch) would have
-called `path.SetCollide(...)` and returned `Adjusted`, blocking the fall.
-**It was never called.**
-
-### Why it was never called
-
-`Transition.FindObjCollisionsInCell` (`src/AcDream.Core/Physics/TransitionTypes.cs`,
-the `maxReach` test in the candidate loop):
-
-```csharp
-Vector3 deltaToCurr = currPos - obj.Position; // ← part ORIGIN
-...
-float maxReach = sphereRadius + obj.Radius // ← BSP ROOT SPHERE radius
- + movement.Length() + 2f;
-if (distToCurr > maxReach) continue;
-```
-
-For `0xC8766009`: origin `(159.107, 36.629, 0.005)`, root bounding sphere
-centred at local `(−1.753, 14.259, 18.667)` with radius 56.909 — i.e. the
-sphere centre sits **23.556 m** from the origin the filter measures to.
-
-At the fall position, measured (reproducer output):
-
-```
-distToOrigin = 60.434 m > maxReach = 59.697 m → REJECTED
-distance to the BSP bounding-sphere CENTRE = 37.083 m ≪ 56.909 m radius
-```
-
-The live capture recorded the same thing 7,225 times for this owner, and the
-probe's own `wouldAcceptAtCenter` column says `True` on **every** rejection:
-
-```
-currPos=(126.57,36.59,50.71) distOrigin=60.24 budget=59.64 shortfall=+0.60 acceptAtCentre=True move=0.255
-currPos=(126.57,36.59,50.71) distOrigin=60.24 budget=60.10 shortfall=+0.14 acceptAtCentre=True move=0.715
-```
-
-### Why it is bounded, and why jumping over it works
-
-The dead zone is the shell between `distOrigin = maxReach` and the true
-bounding sphere. Because the sphere centre is offset 23.556 m from the origin,
-that shell is up to ~23.5 m thick on the far side of the object — here it
-covers the top of the plateau and nothing else. Everywhere closer to the
-origin, the same mesh collides normally. That is the "fails in a bounded
-region, works elsewhere on the same object" property.
-
-`movement.Length()` is a term in the budget. A walking step of 0.25 m gives
-shortfall +0.60 (rejected); a step of 0.72 m gives +0.14; a step of ~0.86 m
-passes. **A jump's larger per-frame movement inflates the budget and lets the
-object back through the filter.** That is why jumping over the spot works and
-walking into it does not, and why a corpse — small per-frame movement — falls
-straight through.
-
----
-
-## Retail
-
-There is no per-object distance filter on retail's BSP branch. Verified
-instruction-by-instruction with cdb against the PDB-paired v11.4186 binary
-(`C:\Users\erikn\Downloads\acclient.exe`, `check_exe_pdb.py` → `MATCH`,
-GUID `9e847e2f-777c-4bd9-886c-22256bb87f32`):
-
-- `acclient!CPartArray::FindObjCollisions` @ **0x00518180** — 14 instructions:
- a bare `do/while` over `parts[i]` calling `CPhysicsPart::find_obj_collisions`
- and breaking on `!= OK`. No compare, no float math.
-- `acclient!CPhysicsPart::find_obj_collisions` @ **0x0050d8d0** — 17
- instructions: null-check `gfxobj`, null-check `gfxobj->physics_bsp`
- (`[ecx+78h]`), `SPHEREPATH::cache_localspace_sphere`,
- `CGfxObj::find_obj_collisions` @ 0x00534700. No compare, no float math.
-
-`CPhysicsObj::FindObjCollisions` @ 0x0050f050 reaches that pair through
-`CPartArray::FindObjCollisions` at 0x0050f192; its cylsphere/sphere loops
-(0x0050f1c4 / 0x0050f251) call the real `intersects_sphere` per primitive —
-they are tests, not pre-filters. Retail's only spatial rejection is the BSP
-node bounding-sphere test inside the walk, which is correctly centred.
-
-The in-tree comment claiming the filter is "the analog of the part
-sorting-sphere early-outs inside retail's `CPhysicsObj::FindObjCollisions` —
-response-neutral, pure perf" is **wrong on both counts.**
-
----
-
-## The fix, as landed
-
-**Taken: the preferred option — the per-object distance pre-check is DELETED**,
-for BSP and primitive entries alike. Retail has none, and the BSP walk's own
-root-node bounding-sphere test is the correctly-centred early-out that makes a
-second one unnecessary. The comment that called the filter "the analog of the
-part sorting-sphere early-outs inside retail's `CPhysicsObj::FindObjCollisions`
-— response-neutral, pure perf" was false in both halves and is replaced by the
-disassembly that refutes it. **AP-158 is retired**; no new register row is
-created, because the code no longer diverges.
-
-The fallback — measuring to the bounding-sphere centre, which would have needed
-`BoundsCenter` on `ShadowEntry` and both registration paths — was NOT taken. It
-would have kept a construct retail does not have, including a `+ 2f` slack and
-a `movement.Length()` term with no retail counterpart, and left a second reach
-budget to be tuned forever.
-
-### Gates
-
-`tests/AcDream.Core.Tests/Physics/Issue333BroadphaseReachFilterTests.cs` drives
-the production path end-to-end (`ResolveWithTransition` →
-`FindObjCollisionsInCell` → `CollisionTraversal`) on a DAT-free fixture, so it
-runs everywhere rather than only where the installed DATs are present. It is a
-discriminating PAIR, sabotage-verified: with the `maxReach` pre-check restored,
-`OffCentreBspFloorStopsAFallingMover` fails — the mover reaches z=37.800, which
-is exactly the unobstructed fall, with `blockedAtLeastOnce=False` — while
-`CentredBspFloorStopsAFallingMover` keeps passing. Without the control row, a
-fixture that simply could not fall would pass the first test for the wrong
-reason.
-
-The installed-DAT evidence for THIS rock is
-`Issue337NeftetRockGeometryInspectionTests.TheOldBroadphaseMeasuredToTheOriginAndSoRejectedGeometryItStoodOn`
-(previously the skipped `TheBroadphaseAdmitsTheSurfaceTheMoverIsStandingOn`,
-which asserted the now-deleted predicate and could never have gone green). It
-pins both halves of the diagnosis: the origin-measured distance OUTSIDE the old
-budget, and the centre-measured distance comfortably INSIDE the same radius. If
-a future DAT or transform change makes either false, the mechanism recorded here
-no longer describes this object.
-
-### Perf — measured, not assumed
-
-Deleting a filter costs whatever the candidates it used to reject now cost.
-Measured in Release on a synthetic all-BSP cell, per `ResolveWithTransition`:
-
-| candidates in cell | with filter | without | delta |
-|---|---|---|---|
-| 38 — the live maximum | 10.61 µs | 16.68 µs | +6.07 µs (1.57×) |
-| 200 — 5× anything observed | 17.34 µs | 39.48 µs | +22.1 µs (2.28×) |
-
-≈ 0.16 µs per additional candidate actually tested; the curve is linear, and
-the 200-object row is included only to show that, not to suggest it is
-reachable. The live population is the bound that matters: over **19,701**
-`[reach-q]` samples across the Neftet and outdoor captures (`334-fix-gate.log`,
-`334-neftet-probe.log`, `334-neftet.log`) the in-cell candidate count is
-**p50 = 9, p99 = 32, max 38**. Retail pays the same cost and shipped without a
-filter.
-
-### Probe columns kept deliberately
-
-`rejectedReach` on the `[reach-q]` line and the origin-vs-centre distance pair
-on `[reach-obj]` are RETAINED and are now structurally zero / purely
-informational. That is the point: a post-fix capture reading `rejectedReach=0`
-is directly comparable with the pre-fix capture that recorded **7,225**
-rejections on a single owner, every one of them with `wouldAcceptAtCenter=True`.
-Dropping the columns would make the two captures incomparable.
-
----
-
-## Separate observation, not part of this defect — now filed as #338
-
-Setup `0x02000001` authors `StepUpHeight = 0.600` and
-`StepDownHeight = 1.500`. The live `[support]` lines show the player resolving
-with `stepUp=0.400 stepDown=0.400`. A 1.5 m step-down is what keeps a mover
-attached to a descending slope; 0.4 m is not. Worth its own investigation —
-it does not cause this wedge, and it was not chased here.
diff --git a/docs/research/2026-08-06-ad10-contract.md b/docs/research/2026-08-06-ad10-contract.md
deleted file mode 100644
index 719db6f2..00000000
--- a/docs/research/2026-08-06-ad10-contract.md
+++ /dev/null
@@ -1,805 +0,0 @@
-# AD-10 contract — remote slope projection at the combiner boundary
-
-**Date:** 2026-08-06
-**Worktree:** `.claude/worktrees/peaceful-visvesvaraya-e0a196`,
-branch `claude/acdream-physics-divergence-5aa784`, HEAD `ef976c6d`
-**Register row:** AD-10 (`docs/architecture/retail-divergence-register.md:122`)
-**Status of this document:** planning contract. No production or test code was
-written; no commit was made.
-
----
-
-## 0. Verdict up front
-
-**AD-10 cannot be asserted retirable today, and it must not be force-retired.
-But its retirement is *decidable*, and deciding it costs one offline
-measurement against a harness that already exists.**
-
-Three separate things were conflated in the row and are now separated:
-
-| | Claim | Status at HEAD |
-|---|---|---|
-| **A** | Retail's in-sweep contact-plane projection is missing from acdream | **False.** `Transition.AdjustOffset` (`src/AcDream.Core/Physics/TransitionTypes.cs:5180`) is a faithful port of `CTransition::adjust_offset` and runs per sub-step inside the sweep (`:1486`), and remotes *do* run that sweep (`src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:399`). |
-| **B** | The remote path has an *extra*, non-retail projection before the sweep | **True.** `RemoteMotionCombiner.ComposeOffset` `:65-73`, fed from `PhysicsEngine.SampleTerrainNormal` at `RuntimeRemotePhysicsUpdater.cs:278-282` and `:321-325`. |
-| **C** | That extra projection samples the wrong surface | **True and unambiguous.** `SampleTerrainNormal(x, y)` (`PhysicsEngine.cs:1019`) is a pure XY→landblock terrain lookup. It ignores the body's Z, its cell, buildings, EnvCells, statics, and other objects. |
-
-So AD-10 is **not a relocation of a missing mechanism**. It is an **additional
-pre-sweep projection layered on top of the faithful one**, against a surface
-retail never uses.
-
-That reframing gives two candidate ships, and the contract sequences them so
-the cheap measurement runs first:
-
-- **Stage 0 (measurement, no production change).** Determine whether the
- pre-sweep projection is redundant with the sweep's own `AdjustOffset`. If it
- is, **AD-10 retires by deletion** — the cleanest outcome available.
-- **Stage 1 (the fallback ship, if Stage 0 says the projection is
- load-bearing).** Change the *sample source*, not the mechanism:
- `SampleTerrainNormal(x, y)` → the body's own committed
- `ContactPlane.Normal`. That is 2 statements. It **retires AD-10's entire
- risk column** — the terrain/sweep disagreement, the cell-boundary sample,
- the props-underfoot sample, and the building/EnvCell blindness all vanish,
- because the projection surface becomes *the same plane the sweep uses*. What
- survives is only the row's first clause: the projection still happens at the
- combiner boundary rather than inside the sweep. AD-10 is **narrowed**, not
- retired.
-
-**Do not skip Stage 0 to get to Stage 1.** Stage 0 is the only thing that can
-justify a deletion, and deletion is strictly better than narrowing.
-
-**Do not skip Stage 1 to get to deletion.** The historical record (§2.4) shows
-the sweep was already present and already seeding a contact plane on the day
-the pre-sweep projection was added to fix a real, observed staircase. I could
-not establish from static reading why the sweep's projection was insufficient
-then. Assume it was for a reason until Stage 0 says otherwise.
-
----
-
-## 1. Retail's mechanism, pinned
-
-### 1.1 The function
-
-`CTransition::adjust_offset` @ **0x0050a370**, pseudo-C
-`docs/research/named-retail/acclient_2013_pseudo_c.txt:272271-272400`.
-
-> **Citation correction.** The register row cites `pc:272296-272346`. That range
-> lands *inside* the function but truncates both ends: it omits the
-> sliding-normal validity gate at the head and the entire post-projection
-> safety push-out block plus the sliding-normal-only tail at 272355-272400.
-> Cite **272271-272400** (the whole function) or the address **0x0050a370**.
-
-### 1.2 What it does, verified by disassembly
-
-Binary Ninja's pseudo-C renders every x87 comparison here as the
-`fnstsw`/`test ah, imm8` mush. All four comparisons were re-read from the
-PDB-paired binary.
-
-Binary: `C:\Users\erikn\Downloads\acclient.exe`.
-`py tools/pdb-extract/check_exe_pdb.py` → `=== MATCH: this exe pairs with our
-acclient.pdb ===` (GUID `{9e847e2f-777c-4bd9-886c-22256bb87f32}`, age 1).
-Disassembled with capstone 5.0.7, image base 0x400000.
-
-```
-adjust_offset(this, out, offset):
- v = *offset
- keepSlide = 0
- if (collision_info.sliding_normal_valid) {
- # 0050a3bc fcomp [0x795344] ; 0050a3c4 test ah,1 ; 0050a3c7 jne 0x50a3d1
- # C0 alone == "less than"
- if (dot(v, sliding_normal) < 0) keepSlide = 1
- else collision_info.sliding_normal_valid = 0
- }
- if (collision_info.contact_plane_valid) {
- cAngle = dot(v, contact_plane.N)
- if (keepSlide) {
- cross = sliding_normal x contact_plane.N
- if (normalize_check_small(cross) == 0) v = cross * dot(cross, v)
- else v = 0
- }
- else {
- # 0050a4fa fcomp [0x795344] ; 0050a502 test ah,0x41 ; 0050a505 jne 0x50a515
- # 0x41 == C0|C3 == "less than or equal"; jne taken -> 0x50a515 (SUBTRACT)
- if (cAngle <= 0) v -= contact_plane.N * cAngle # 0x0050a515
- else Plane::snap_to_plane(&contact_plane, &v) # 0x0050a50e
- }
- # post-projection safety push-out
- if (!contact_plane_is_water && contact_plane_cell_id != 0) {
- LandDefs::get_block_offset(&blockOff, sphere_path.check_pos.objcell_id,
- contact_plane_cell_id)
- dist = dot(global_sphere.center - blockOff, contact_plane.N) + contact_plane.d
- # 0050a5cf fcompp ; 0050a5d3 test ah,5 ; 0050a5d6 jp -> skip
- # test ah,5 / jp is the canonical "jump if >=" idiom
- if (dist < global_sphere.radius - 0.0002) {
- zDist = (global_sphere.radius - dist) / contact_plane.N.z
- # 0050a5eb fcompp ; 0050a5ed test ah,0x41 ; 0050a5f0 jne -> skip
- if (global_sphere.radius > |zDist|)
- SPHEREPATH::add_offset_to_check_pos(&sphere_path, (0, 0, zDist))
- }
- }
- }
- else if (keepSlide) {
- v -= sliding_normal * dot(v, sliding_normal)
- }
- *out = v
-```
-
-Float constants read from the binary:
-`0x795344 = 0.0f` (bytes `00000000`);
-`0x7c6878 = 0.00019999999494757503f` (bytes `17b75139`).
-
-`Plane::snap_to_plane` @ **0x00509c50** (pc:271852):
-```
-if (|N.z| > 0.0002) # 00509c5f test ah,5 ; 00509c62 jnp
- v.z = -(v.x*N.x + v.y*N.y) / N.z # v.x, v.y UNTOUCHED
-```
-
-### 1.3 The three answers the row asks for
-
-**What does retail project?** The **per-sub-step movement offset**, not the
-whole frame delta. `calc_num_steps` splits the transition into steps of one
-sphere radius; `adjust_offset` runs once per step
-(`find_transitional_position` @ 0x0050bdf0, call at pc:273695 / `0x0050bf66`).
-
-**Against what surface?** `collision_info.contact_plane` — *whatever surface
-the previous sub-step's collision actually found*. Its producers are:
-
-| Producer | Address | Surface class |
-|---|---|---|
-| `CTransition::init_contact_plane` | 0x0050e850 | initial seed |
-| `BSPTREE::step_sphere_down` | 0x0053a210 | **BSP polygons — buildings, EnvCells, dungeon geometry, statics** |
-| `BSPTREE::find_collisions` | 0x0053a440 | same |
-| `CSphere::step_sphere_down` | 0x00536d20 | **other objects** |
-| `CCylSphere::step_sphere_down` | 0x0053a9b0 | **other objects** |
-| `CSphere::intersects_sphere` / `CCylSphere::intersects_sphere` | 0x00537a80 / 0x0053b440 | other objects |
-| `CTransition::validate_transition` | 0x0050aa70 | last-known restore |
-
-Retail's projection surface is therefore the **general contact plane from any
-collidable geometry**. It sees buildings and EnvCells natively. This is the
-direct, primary-source confirmation of the gap AD-10's risk column names.
-
-**At what point in the sweep?** At the **head of each sub-step, before that
-step's `transitional_insert`**, consuming the plane the *previous* step
-established. acdream's port preserves that ordering verbatim
-(`TransitionTypes.cs:1483-1486` — `AdjustOffset` first, state cleared after,
-`:1523-1527`).
-
-### 1.4 Two unregistered divergences found inside acdream's port of this function
-
-Both are in `Transition.AdjustOffset`
-(`src/AcDream.Core/Physics/TransitionTypes.cs:5180-5320`). Neither has a
-divergence-register row (grepped: no row mentions `snap_to_plane`,
-`SnapToPlane`, `naturalResting`, or `away-plane`). Both are **out of scope for
-this change** — but both are in the same function AD-10 points at, and one of
-them is directly about slope descent, so they are recorded here rather than
-absorbed.
-
-**(a) The `snap_to_plane` branch is substituted, not ported.**
-`TransitionTypes.cs:5252-5258`:
-```csharp
-else
-{
- // Moving away from contact plane: snap to plane surface.
- result -= ci.ContactPlane.Normal * collisionAngle;
- branch = "away-plane";
-}
-```
-This makes the `if` and the `else` **byte-identical** — both do
-`result -= N * collisionAngle`. Retail's `else` calls `snap_to_plane`, which
-adjusts **only Z** and leaves XY alone.
-
-For a slope of angle θ and a horizontal step of length `d`:
-
-| Direction | `dot(v,N)` | Retail result | acdream result |
-|---|---|---|---|
-| **Uphill** | `< 0` | `d·cosθ` along the plane (XY shrinks by cos θ) | identical |
-| **Downhill** | `> 0` | XY preserved at `d`, Z drops `d·tanθ` (speed along the plane `d/cosθ`) | XY shrinks to `d·cos²θ`, speed along the plane `d·cosθ` |
-
-So acdream descends slopes **slower than retail by a factor of cos²θ in XY**:
-13% slow at 30°, 29% at 45°. Uphill is correct. This is a *plausible*
-contributor to the open **#269 slope-slide feel residual** (Campaign P), which
-CLAUDE.md records as still needing a live cdb A/B — worth handing to whoever
-picks #269 up, but **do not fold it into AD-10**: it changes local-player
-movement feel and needs its own visual gate.
-
-**(b) The safety push-out threshold is deliberately altered.**
-`TransitionTypes.cs:5285-5309` replaces retail's `radius` with
-`naturalRestingDist = radius * ContactPlane.Normal.Z` in both the trigger
-comparison and the `zDist` numerator. The code comment argues the case at
-length and says "ACE and the published pseudocode have the original
-threshold". The disassembly at 0x0050a5c4-0x0050a5ff confirms retail uses the
-bare `radius` in both places. Whether or not the correction is right, **an
-intentional deviation from a byte-confirmed retail constant with no register
-row is exactly what the register exists to catch.**
-
-**Action:** file both as register rows (or as one row with two clauses) in a
-separate commit. Neither blocks AD-10.
-
----
-
-## 2. What remote bodies actually run at HEAD
-
-Established by symbol, not from inherited documentation.
-
-### 2.1 The tick
-
-`RuntimeRemotePhysicsUpdater.Tick`,
-`src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs`:
-
-1. `:142` — `bool bodyOnWalkableAtTickStart = rm.Body.OnWalkable;`
-2. `:143-146` — root motion scaled by `objectScale` **only while OnWalkable**
- (retail `UpdatePositionInternal` @0x00512CA1). Zero otherwise.
-3. `:278-282` / `:321-325` — **the AD-10 sample**:
- `bodyOnWalkableAtTickStart ? _physics.Engine.SampleTerrainNormal(Body.X, Body.Y) : null`
-4. `:283-292` / `:326-335` — `rm.Position.ComposeOffset(..., terrainNormalNpc, inContact: rm.Body.InContact)`
-5. `:293` / — `npcHost.PositionManager.AdjustOffset` (Sticky → Constraint)
-6. `:301` / `:336` — `ApplyPositionManagerDelta` → `body.Position += Transform(delta.Origin, orientation)` (`:1087-1098`)
-7. `:338-339` — `calc_acceleration()`, `UpdatePhysicsInternal(dt)`
-8. `:371-451` — **`_physics.Engine.ResolveWithTransition(preIntegratePos, postIntegratePos, …, body: rm.Body, …)`** — the full sweep
-9. `:453+` — commit position/cell, then `CommitSetPositionTransition`
-
-Steps 3-4 are the divergence. Step 8 is the retail mechanism.
-
-The `if (rm.Host is { } npcHost) / else` fork at `:265`/`:303` duplicates the
-sample and the `ComposeOffset` call **verbatim**. There are therefore **two
-identical production sites**, not one — any edit must touch both. (This is the
-AP-22 shape: a row naming one site where more exist.)
-
-### 2.2 The sweep is real and the contact plane is real
-
-- `PhysicsEngine.ResolveWithTransition` (`:1888`) → `FindTransitionalPosition`
- (`:2094`) → the step loop (`TransitionTypes.cs:1472`) → `AdjustOffset`
- per step (`:1486`).
-- The result is **accumulated from the projected offsets**
- (`sp.AddOffsetToCheckPos(sp.GlobalOffset)`, `TransitionTypes.cs:1530`) — it
- is *not* clamped to `targetPos`. So the sweep genuinely produces a
- slope-following Z from a purely horizontal input offset.
-- The transition is **seeded** with the body's committed contact plane
- (`PhysicsEngine.cs:1984-1997`, register row IA-1), gated on retail's
- `check_contact` predicate (`dot(velocity, N) <= 0.0002`). Remotes pass
- `body: rm.Body`, so they get the seed.
-- The plane is **written back** to the body after every successful resolve
- (`PhysicsEngine.cs:2102-2145`), including `body.GroundNormal`. So
- `rm.Body.ContactPlane.Normal` at tick start is the real plane the previous
- tick's sweep found — terrain, BSP, or object.
-
-**This is the fact that makes Stage 1 a two-statement change.** The correct
-projection surface is already sitting on the body.
-
-### 2.3 The third `ComposeOffset` call site is not part of AD-10
-
-`TickHidden` at `:936-944` calls `ComposeOffset` with the `terrainNormal`
-parameter **omitted** (defaults to `null`). It never projects. Leave it alone;
-do not "make it consistent."
-
-### 2.4 History — why the caution in §0 is not ceremonial
-
-- `9e4772a8` (**2026-05-05**) `fix(motion): project anim root motion onto
- terrain plane (slope staircase)` added the mechanism. The commit body
- documents a real, measured, user-visible ~5 Hz Z staircase and reasons it
- out correctly from the queue-empty fallback returning a Z=0 body-local
- delta.
-- `93cbabbc` (**2026-04-21**) `fix(physics): full retail per-frame chain for
- remote motion + persist ContactPlane across frames` — the sweep **and** the
- cross-frame contact-plane persistence were already present two weeks
- earlier.
-
-So the sweep's own `AdjustOffset` was live and plane-seeded on the day the
-staircase was observed, and it did not remove it. **I could not establish from
-static reading why.** Candidate explanations that have all landed *since*, any
-of which could have changed the answer:
-
-- `204d0ae0` (2026-08-04, Bug B / #32): removed a per-tick forge of
- `Contact | OnWalkable` and a per-tick `Body.Velocity = Vector3.Zero`, and
- made the tick run the full `CommitSetPositionTransition` sequence instead of
- consuming only `Position/CellId/IsOnGround`.
-- `2d611b2b` (2026-07-30, #265): replaced the `isOnGround`-driven contact seed
- with retail's `check_contact` predicate.
-- The 2026-07-30 `body.GroundNormal = ci.ContactPlane.Normal` sync
- (`PhysicsEngine.cs:2116-2127`), whose own comment says *"nothing wrote it
- from a live resolve before now — `calc_friction` always saw the
- `Vector3.UnitZ` default, i.e. every slope behaved like flat ground."*
-
-That last one is a documented instance of a slope-related value being
-silently flat for months. It is precisely the reason Stage 0 must be a
-**measurement**, not an argument.
-
----
-
-## 3. Relationship to #32 (Bug B roof-plant)
-
-Read `docs/ISSUES.md:10267-10480` in full.
-
-**Fixing AD-10 does not fix #32, and does not partially fix it. The two are now
-disjoint.** Evidence:
-
-1. #32's remote half is **already closed** — fixed `204d0ae0`, user-passed
- 2026-08-04 ("it lands and slides correctly now").
-2. The actual root cause was four forced writes in the remote tick, none of
- them AD-10's. The issue text states it directly: *"acdream's classifier was
- correct and was being overruled."*
-3. The AD-10 projection is now gated on `bodyOnWalkableAtTickStart`
- (`:278`, `:321`). A steep roof produces `OnWalkable == false` (contact-plane
- `Normal.Z` 0.6097 against `FloorZ` 0.6642, measured live in the #32
- capture), so **on the exact geometry #32 is about, the AD-10 path does not
- run at all.**
-
-**Therefore the AD-10 row's own risk column is now stale on this point.** It
-reads: *"a remote landing on a house roof gets no slope response from this
-path **regardless of `OnWalkable`**."* After Bug B's fix the clause is
-inverted — the path is gated *off* by `OnWalkable`, and the slide comes from
-gravity plus the sweep, exactly as retail does it. The same staleness is in
-#32's own AD-10 paragraph.
-
-**What AD-10 *does* still break is the case #32 never covered: a remote on a
-WALKABLE surface that is not terrain.** A flat or gentle roof, a bridge, a
-dock, a dungeon floor, a ramp inside a building. There `OnWalkable == true`,
-the gate opens, and `SampleTerrainNormal` returns the plane of the *ground far
-below* — an unrelated surface. That is worse than no projection: it applies a
-wrong plane rather than none. **This, not the roof-plant, is the live symptom
-AD-10 should be judged on.**
-
-**Do not promise #32 anything.** Its remaining open items (LeaveGround chatter
-bound, the `!Ok` airborne latch, `contact_allows_move`, and local-player
-edge-slide) are untouched by this work.
-
----
-
-## 4. The exact change
-
-### Stage 0 — measurement (no production change; may be discarded)
-
-Build the fixture in §7.1 and answer one question: **with the pre-sweep
-projection disabled, does the sweep alone track the surface Z?**
-
-- **If yes** → delete the projection: remove the `terrainNormal` parameter's
- two production feeds (`RuntimeRemotePhysicsUpdater.cs:278-282`, `:321-325`),
- the projection block in `RemoteMotionCombiner.ComposeOffset:65-73`, and the
- now-dead `terrainNormal` parameter. **AD-10 retires**; delete row 122.
-- **If no** → record the measured failure mode in the closeout doc (it is a
- real finding about the remote sweep either way) and ship Stage 1.
-
-### Stage 1 — narrowing (the fallback ship)
-
-**Symbols touched — the complete list.**
-
-| File | Site | Change |
-|---|---|---|
-| `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs` | `:278-282` (host branch) | `SampleTerrainNormal(Body.X, Body.Y)` → `rm.Body.ContactPlaneValid ? rm.Body.ContactPlane.Normal : (Vector3?)null` |
-| `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs` | `:321-325` (no-host branch) | identical |
-| `src/AcDream.Core/Physics/RemoteMotionCombiner.cs` | `:48`, `:65-73`, `:91-104` | rename the parameter (`terrainNormal` → `contactPlaneNormal`) and rewrite the doc comment, which currently asserts a terrain sample |
-| `docs/architecture/retail-divergence-register.md:122` | AD-10 | rewrite: risk column collapses to the boundary-placement clause; correct the three stale claims in §10 |
-
-**Keep unchanged, deliberately:**
-
-- The `bodyOnWalkableAtTickStart` gate. It is what keeps a *wall* normal out of
- the projection (`OnWalkable` ⟺ `N.z >= FloorZ`), and it is the Bug B fix.
-- The `Normal.Z > 0.01f` guard inside `ComposeOffset`. Redundant under the
- `OnWalkable` gate but harmless and defensive.
-- The `!interpolationOverwrote` guard. The projection must stay confined to the
- queue-empty/head-reached case; an interpolation catch-up is already a 3D
- vector toward a server-reported Z and must not be re-projected.
-- `TickHidden` (`:936`).
-- `RemoteMotionCombiner.ComputeOffset` — see §10.3. Do not modify it as part of
- this change; if it is to be deleted, that is its own commit.
-
-**Why this is strictly safer than it looks.**
-
-- On outdoor terrain the two sources agree by construction: the committed
- plane on flat/rolling ground *is* the terrain triangle plane
- (`PhysicsEngine.cs:2113` writes `ci.ContactPlane`, whose terrain producer is
- the same `SampleTerrainWalkable` triangle `SampleTerrainNormal` reads). The
- staircase-removing behaviour the mechanism exists for is preserved
- identically.
-- The one-tick lag (committed plane from the previous sweep vs. a
- current-XY sample) is **more** retail-faithful, not less: retail's
- `adjust_offset` reads the plane the *previous* sub-step established.
-- It removes a whole class of failure rather than trading one for another —
- there is no scenario where a single-point terrain sample is right and the
- body's own committed contact plane is wrong.
-
----
-
-## 5. Blast radius — both hosts
-
-### 5.1 The graphical host
-
-`AcDream.App.Physics.RemotePhysicsUpdater`
-(`src/AcDream.App/Physics/RemotePhysicsUpdater.cs:17`) is a **thin adapter**:
-it constructs a `RuntimeRemotePhysicsUpdater` at `:46` and forwards
-(`:220-249`), supplying DAT shape dimensions and presentation callbacks. It
-contains **no duplicated projection**. Per-frame drive is
-`AcDream.App.Rendering.LiveEntityAnimationScheduler:25`.
-
-### 5.2 The headless host — the finding that inverts the C5b lesson
-
-**`AcDream.Headless` never runs this code path at all.**
-
-Evidence, exhaustive:
-
-```
-$ grep -rn "new RuntimeRemotePhysicsUpdater" --include=*.cs src/ tests/
-src/AcDream.App/Physics/RemotePhysicsUpdater.cs:46 <- only production site
-tests/AcDream.Runtime.Tests/Physics/RuntimePhysicsStateTests.cs:2884,2938,3017
-tests/AcDream.Runtime.Tests/Physics/RuntimeRemoteSteepContactSlideTests.cs:406
-tests/AcDream.Runtime.Tests/Physics/RuntimeSetPositionStateTests.cs:414
-```
-
-`src/AcDream.Headless/` contains no reference to `RemoteMotion`,
-`RemotePhysicsUpdater`, or `OrdinaryPhysicsUpdater`. The class is `internal` to
-`AcDream.Runtime` and reaches production only through `InternalsVisibleTo` into
-`AcDream.App`.
-
-The C5b lesson was "a survey over one host's call graph missed
-`AcDream.Headless` entirely." Here the reasoning that would produce the same
-mistake runs the other way: `RemoteMotionCombiner` *is* in `AcDream.Core`, and
-`RuntimeRemotePhysicsUpdater` *is* in `AcDream.Runtime`, so the reflex
-conclusion "therefore headless runs it" is available and **wrong**. Assembly
-placement is not evidence of reachability; the instantiation census is.
-
-Consequences for this contract:
-
-1. **No headless gate is required or meaningful for AD-10.** Do not design one;
- a passing headless run would be vacuous evidence.
-2. Headless *does* publish terrain, cell surfaces, buildings and static objects
- into the engine (`HeadlessSessionWorldProjection.cs:430-467` →
- `LandblockPhysicsContentBuilder.PublishStaticCollision`), so if remote DR is
- ever given to headless, Stage 1's change works there unmodified — the
- committed contact plane is available on both hosts. Stage 0's terrain-only
- assumption would *not* have been.
-3. **#330's relevance is narrow.** Headless registering no live-entity
- collision means a headless body could never receive a contact plane from
- `CSphere`/`CCylSphere::step_sphere_down` (standing on another creature).
- That is a #330 consequence, not an AD-10 one, and it is unreachable today
- because headless does not run remote DR at all.
-
-### 5.3 Adjacent gap observed, not claimed as a defect
-
-Headless bots appear to have **no remote dead-reckoning whatsoever** — remote
-entities would move only at `UpdatePosition` cadence. Whether that matters
-depends on what headless bots are for, which this contract does not decide.
-**Recommendation: file it as an issue with the §5.2 evidence, tagged as
-adjacent to #330, and let the headless owner judge severity.** Do not fold it
-into AD-10.
-
----
-
-## 6. Gate design
-
-This is remote-movement **feel**; the acceptance test is the user's eyes, and
-it batches into the next connected session. Two clients: acdream observing an
-acdream-driven `+Acdream`, or acdream observing a retail-driven character.
-
-**Absence of a symptom is not the criterion.** Each row below names a
-*positive* observable.
-
-| # | Observable | Positive criterion | Why it is here |
-|---|---|---|---|
-| **G1** | **The ~5 Hz Z staircase** — a remote running across open rolling terrain (Holtburg fields, a hillside) | The remote's feet track the ground **continuously**. Watch specifically *between* server updates, at ~200 ms spacing. Any stepped/ratcheting Z is an immediate fail. | This is the artifact the current mechanism exists to remove. **A regression here is worse than the divergence** and is the single thing that vetoes the change. |
-| **G2** | **Slope descent smoothness** — the remote running *downhill* on a moderate grade | The descent reads as a continuous glide with the feet planted; no floating above the surface, no periodic sink-and-pop. Compare uphill on the same slope — they should feel symmetric. | Downhill is the branch §1.4(a) shows acdream already handles differently from retail, and the branch the queue-empty fallback dominates. |
-| **G3** | **The surface the divergence is actually about** — a remote walking on a **walkable non-terrain surface**: a bridge, a dock, a gently-pitched roof, a raised platform, a ramp or sloped floor inside a dungeon or building | The remote's feet stay **on that surface** while it moves, including across its slope. It must not sink toward, or drift with, the terrain below. | This is the case §3 identifies as AD-10's live symptom. It is the reason the change exists. |
-| **G4** | **Roof / steep-face behaviour** — repeat #32's own scenario: a remote jumps onto a house roof | Unchanged from the 2026-08-04 user-passed behaviour: it lands and slides down. | Guards the closed half of #32. The `OnWalkable` gate should make this a literal no-op; confirm rather than assume. |
-| **G5** | **Flat ground** — a remote walking on level terrain, and a remote standing still | Unchanged. Nothing new appears — no drift, no jitter, no Z creep while stationary. | The projection is a no-op on flat ground by construction; a change here means something else moved. |
-
-**Sequencing:** run G1 before anything else. If G1 fails, stop and revert —
-nothing below it matters.
-
-**Instrumentation:** `ACDREAM_PROBE_RESOLVE=1` gives one `[resolve]` line per
-`ResolveWithTransition` with the contact-plane status and the responsible
-entity guid, which is enough to correlate a visual observation to a specific
-remote. `ACDREAM_PROBE_CELL=1` is low-volume and useful for G3. Both are
-runtime-toggleable from the DebugPanel under `ACDREAM_DEVTOOLS=1`.
-
-**Build:** Release. Debug FPS produces false-regression alarms
-(`feedback_debug_vs_release_perf`), and G1 is a cadence observation.
-
----
-
-## 7. Proof obligations and test plan
-
-**Standing rule for every test below: it does not count until the named
-sabotage has been applied and observed to redden it.** This campaign has
-shipped five green tests that covered nothing; the AP-22 review disproved a
-coverage claim by sabotage. Assume no discrimination until demonstrated.
-
-**No source-text pins. No test may re-encode the constant under test** — in
-particular, no test may compute its expected Z by re-implementing
-`v -= N·dot(v,N)`. Expected values come from the *geometry* (the surface the
-body is standing on), so a wrong-plane projection produces a wrong answer
-rather than a self-consistent one.
-
-### 7.0 The existing harness
-
-`tests/AcDream.Runtime.Tests/Physics/RuntimeRemoteSteepContactSlideTests.cs`
-already drives the **production** `RuntimeRemotePhysicsUpdater.Tick` over a
-synthetic landblock, with `Harness.OnRamp(gradient)` /
-`Harness.Airborne(gradient, height)` and a `Tick(count, dt)` loop
-(`:304-460`). `PhysicsEngine.AddLandblock` there accepts terrain, a
-`CellSurface[]` and a `PortalPlane[]`. **Build on this harness.** It is the
-only existing fixture that produces a *real geometric* contact plane for a
-remote rather than a stubbed one, and it already models the fixture-validation
-pattern (`SteepTerrainProducesANonWalkableContactPlane`, `:55-64`).
-
-### 7.1 T1 — Stage 0's decisive measurement: does the sweep alone track Z?
-
-**Layer:** `AcDream.Runtime.Tests`, the §7.0 harness.
-**Fixture:** `Harness.OnRamp(WalkableGradient)` with a non-empty root-motion
-frame driving the body along the slope, interpolation queue empty (so the
-fallback path runs).
-**Body:** tick N frames with the AD-10 sample forced to `null`, and assert the
-body's Z stays within a tight band of the terrain surface Z at its own XY
-(`TerrainSurface.SampleZ`), monotonically, with no per-tick Z plateau longer
-than one tick.
-**Sabotage that must redden it:** flatten the ramp gradient to 0 and invert the
-assertion — the test must not pass on flat ground for the wrong reason. And:
-short-circuit `Transition.AdjustOffset` to `return offset;` — T1 must go red,
-proving it is measuring the sweep's projection and nothing else.
-
-This test *is* Stage 0. Its result selects the ship.
-
-### 7.2 T2 — the discriminating test: wrong plane vs. right plane
-
-**This is the load-bearing one.** It must fail on HEAD and pass after Stage 1.
-
-**Requirement (functional, not prescriptive):** a fixture in which the body
-rests on a **walkable surface whose plane differs from the terrain plane at the
-same XY**, with the difference established by the *sweep* (i.e.
-`Body.ContactPlane.Normal != SampleTerrainNormal(x, y)` at tick start).
-
-Two candidate constructions, in preference order:
-
-- **(a) Terrain crest.** Extend `Harness.Ramp` to a two-gradient heightmap (a
- ridge). Walk the body across the crest. At the tick after the crossing, the
- current-XY sample and the committed plane are from *different triangles*.
- Cheap, certainly buildable with the existing harness, and it exercises the
- row's "cell boundaries" risk directly. **Mandatory.**
-- **(b) Off-terrain walkable surface.** A sloped static/building collision
- surface above flat terrain, so the terrain sample is `(0,0,1)` while the
- committed plane is the platform. This is the case that matters most (§3) but
- needs a collision payload the current harness does not build — note that
- `CellSurface` is **not** consulted by `TransitionTypes`/`BSPQuery` (the
- former `HasCellSurface` path was deleted in C5a,
- `PhysicsEngine.cs:1806`), so it must go through the flat-collision/static
- publication path, not `AddLandblock`'s `cells` argument. **Required, with a
- documented fallback:** if the fixture cannot be built in reasonable time, say
- so explicitly in the closeout, ship on (a), and record (b) as an untested
- axis rather than silently dropping it.
-
-**Assertion:** the body's Z tracks the surface it is *standing on*, derived
-from that surface's own geometry — never from a re-implementation of the
-projection formula.
-
-**Fixture validation, mandatory and first:** before any motion assertion,
-assert `Body.ContactPlane.Normal` is the expected surface normal **and** that
-`SampleTerrainNormal` at the same XY differs from it. A fixture where the two
-agree cannot discriminate, and a green test on such a fixture is worthless.
-
-**Sabotage that must redden it:** revert the sample source to
-`SampleTerrainNormal`. T2 must go red. If it does not, the fixture does not
-discriminate and the test is void.
-
-### 7.3 T3 — the production entry point is covered at all
-
-There is currently **no test of the production mechanism** (§10.6).
-
-Assert that `RemoteMotionCombiner.ComposeOffset`, on the `!interpolationOverwrote`
-path with a sloped normal, produces a body-local delta whose *world* rotation
-has the expected Z sign and magnitude; and that on the `interpolationOverwrote`
-path it produces **no** projection.
-
-**Sabotage:** invert the `!interpolationOverwrote` guard. T3 must go red.
-(Today, inverting that guard reddens nothing.)
-
-### 7.4 T4 — the `OnWalkable` gate still closes on a steep face
-
-Reuse `Harness.OnRamp(SteepGradient)`. Assert no projection is applied while
-`Body.OnWalkable` is false, whichever normal source is wired.
-
-**Sabotage:** remove the `bodyOnWalkableAtTickStart` ternary at `:278`/`:321`.
-T4 must go red. This is the Bug B regression guard.
-
-### 7.5 T5 — both fork branches
-
-`RuntimeRemotePhysicsUpdater` has **two** identical sites (`:278` host branch,
-`:321` no-host branch). At least one test must exercise the **no-host**
-(pre-`PositionManager`-binding) branch.
-
-**Sabotage:** apply the fix to only *one* branch. T5 must go red.
-
-This is the AP-22 lesson made a test: a row that names one site where several
-exist produces a fix that lands on one site.
-
-### 7.6 Suite obligations
-
-- Full `AcDream.Runtime.Tests`, `AcDream.Core.Tests`, `AcDream.App.Tests`
- green.
-- Complete solution suite green.
-- No headless gate (§5.2) — and say so in the closeout, so its absence reads as
- a decision rather than an omission.
-
----
-
-## 8. Verification hygiene — mandatory
-
-**This worktree's incremental build has twice served a stale DLL containing
-deleted code, including under `--no-incremental` and `-t:Rebuild`.** One
-reviewer had to delete all 44 `bin`/`obj` directories to get a truthful result.
-
-Any **verdict-deciding** test result — T1's Stage-0 answer, and every sabotage
-observation in §7 — must come from a genuinely clean build:
-
-```powershell
-Get-ChildItem -Recurse -Directory -Include bin,obj | Remove-Item -Recurse -Force
-dotnet build -c Release
-```
-
-A sabotage that "did not redden the test" is **not** evidence until it has been
-re-run from a clean tree. The failure mode this guards against is exactly the
-one that makes a false coverage claim look verified.
-
----
-
-## 9. Traps, size, split
-
-### Traps
-
-1. **Do not touch `Transition.AdjustOffset`.** Its two unregistered divergences
- (§1.4) are real, one of them plausibly feeds #269, and both change
- *local-player* movement feel. Fixing them inside an AD-10 commit puts a
- local-player regression behind a remote-movement gate. Separate commits,
- separate gates.
-2. **Do not "unify" `TickHidden`.** It deliberately does not project (§2.3).
-3. **Do not fix only one fork branch** (§7.5).
-4. **Do not use `Body.GroundNormal` as the source.** It aliases
- `ContactPlane.Normal` on the success path but has a documented
- stale-retention branch (`PhysicsEngine.cs:2137-2145`). Read
- `ContactPlaneValid` + `ContactPlane.Normal` and treat invalid as `null`.
-5. **Do not remove the `!interpolationOverwrote` guard.** Re-projecting an
- interpolation catch-up would fight the server's own Z.
-6. **Do not promise #32 anything** (§3).
-7. **Do not design a headless gate** (§5.2).
-8. **Do not let the double projection go unexamined if Stage 1 ships.** After
- Stage 1, the offset is projected once at the boundary and again per-step
- inside the sweep, both against the same plane. That composition is
- *idempotent* (a vector already on the plane has `dot(v,N)==0`) — but say so
- explicitly in the closeout, with the arithmetic, rather than leaving it as
- an unexamined assumption. It is the reason Stage 0 exists.
-9. **`SampleTerrainNormal` is XY-only and Z-blind.** It will happily return a
- normal for a body inside a dungeon, on a tower, or under a bridge, provided
- the landblock is resident. There is no "no terrain here" case to rely on.
-
-### Size
-
-- **Stage 0:** ~1 test + ~40 lines of harness extension. Half a session,
- including the clean-build discipline.
-- **Stage 1 (if needed):** ~2 production statements, ~1 parameter rename, ~4
- doc comments, 1 register-row rewrite, 4-5 tests. One session.
-- **The §1.4 register rows:** ~30 minutes, separate commit, no code.
-- **The §5.3 headless issue:** ~15 minutes, separate commit, no code.
-
-### Split call
-
-**Do not split across agents.** Total production surface is a handful of
-statements; the expensive part is the fixture work in T2, which is a single
-coupled piece of reasoning about one harness. Splitting it would reproduce the
-"coupled plan slices given to parallel agents" failure
-(`feedback_dont_parallelize_coupled_plan_slices`).
-
-**Commit sequence:**
-
-1. `test(physics): measure whether the remote sweep alone tracks surface Z (AD-10 Stage 0)` — T1 only, no production change.
-2. Either `refactor(physics): delete the redundant pre-sweep slope projection (AD-10 retired)` **or** `fix(physics): project remote root motion onto the body's committed contact plane (AD-10 narrowed)` — with T2-T5 and the register edit **in the same commit** (same-commit row discipline).
-3. `docs(register): file the AdjustOffset snap_to_plane and safety-threshold divergences` — §1.4, separate.
-4. `docs: file the headless remote dead-reckoning gap` — §5.3, separate.
-
-Commits 1-2 are user-gated on §6 before anything downstream builds on them.
-
----
-
-## 10. Claims found false or stale at HEAD
-
-Numbered, each with its evidence.
-
-**10.1 — AD-10's justification column is false.**
-The row says *"Remote bodies don't run a full local transition sweep."* They
-do: `RuntimeRemotePhysicsUpdater.cs:399` calls
-`_physics.Engine.ResolveWithTransition(...)` with the remote's own body,
-Setup-derived sphere list, step heights and mover flags, and
-`TickHidden:982` does the same. This is the premise the entire "cannot move it
-into the sweep" reasoning rests on, and it is the one that reframes the row
-from *relocation* to *addition*.
-
-**10.2 — The row describes its one live site backwards.**
-It cites *"`ComposeOffset` ~:65-72 **for the interpolation-active** boundary
-projection."* The guard at `RemoteMotionCombiner.cs:65` is
-`if (!interpolationOverwrote && ...)` — the projection runs **only when
-interpolation did *not* overwrite**, i.e. the queue-empty/head-reached case.
-The row has the two mutually exclusive cases swapped.
-
-**10.3 — The row's other cited site is dead code.**
-*"the queue-empty fallback ~:163-168"* is inside
-`RemoteMotionCombiner.ComputeOffset` (`:105-170`). `ComputeOffset` has **zero
-production callers** — `grep -rn "ComputeOffset" --include=*.cs src/` returns
-only its own definition (`:105`) and its internal call to `ComposeOffset`
-(`:143`, which passes `terrainNormal: null`). Its only callers are in
-`tests/AcDream.Core.Tests/Physics/`. So the row cites one live site described
-backwards and one correctly-described site that cannot execute in production.
-
-**10.4 — The row's risk column is stale on the roof clause.**
-It reads *"a remote landing on a house roof gets no slope response from this
-path **regardless of `OnWalkable`**."* Since Bug B (`204d0ae0`, 2026-08-04) the
-sample is gated on `bodyOnWalkableAtTickStart`
-(`RuntimeRemotePhysicsUpdater.cs:278`, `:321`), and a steep roof is
-`OnWalkable == false` by measurement (contact-plane `Normal.Z` 0.6097 vs.
-`FloorZ` 0.6642, from #32's live capture). The path is now gated *off* on
-exactly that geometry. The same stale clause is repeated verbatim in
-`docs/ISSUES.md` #32's AD-10 paragraph.
-
-**10.5 — The row's retail anchor range truncates the function.**
-`pc:272296-272346` omits the sliding-normal validity gate at the head
-(272276-272296) and the entire post-projection safety push-out block plus the
-sliding-normal-only tail (272355-272400). Both omitted regions are part of what
-"retail projects inside `adjust_offset`" means. Correct anchor:
-`CTransition::adjust_offset` **0x0050a370**, pc:272271-272400.
-
-**10.6 — The mechanism's only test tests a method production never calls.**
-`RemoteMotionCombinerTests.ComputeOffset_RootMotionFallback_SlopedTerrainNormal_ProjectsZOntoSlope`
-(`tests/AcDream.Core.Tests/Physics/RemoteMotionCombinerTests.cs:198-225`) is
-labelled *"Lock-the-fix for the 'remote running on a slope shows ~5 Hz Z
-staircase' bug"*. It exercises `ComputeOffset`, which is dead in production
-(10.3). It also hard-codes the expected result by re-implementing the
-projection formula in a comment and asserting the arithmetic — it cannot detect
-a wrong *plane*, only a wrong *multiply*. **The production path
-(`ComposeOffset` with a non-null normal) has no test at all.** This is the
-sixth green-test-covering-nothing in this campaign.
-
-**10.7 — Two divergences exist in acdream's `CTransition::adjust_offset` port
-with no register row.**
-(a) The `collisionAngle > 0` branch substitutes `v -= N·dot(v,N)` for retail's
-`Plane::snap_to_plane`, making the two arms of the `if/else` identical and
-shortening downhill XY travel by `cos²θ` relative to retail
-(`TransitionTypes.cs:5252-5258` vs. 0x0050a50e → 0x00509c50).
-(b) The safety push-out substitutes `radius * N.z` for retail's bare `radius`
-in both the trigger and the numerator (`TransitionTypes.cs:5285-5309` vs.
-0x0050a5c4-0x0050a5ff), knowingly and with a written rationale, but with no
-row. Grep confirms: no register row mentions `snap_to_plane`, `SnapToPlane`,
-`naturalResting`, or `away-plane`.
-
-**10.8 — The reflex blast-radius inference is wrong here, in the opposite
-direction from C5b.**
-`RemoteMotionCombiner` is in `AcDream.Core` and `RuntimeRemotePhysicsUpdater`
-is in `AcDream.Runtime`, so "headless runs it too" is the available
-conclusion. It is false: the only production instantiation of
-`RuntimeRemotePhysicsUpdater` is `src/AcDream.App/Physics/RemotePhysicsUpdater.cs:46`,
-and `src/AcDream.Headless/` never names it. Assembly placement is not
-reachability.
-
----
-
-## 11. What I could not establish
-
-Flagged rather than guessed.
-
-1. **Why the sweep's own `AdjustOffset` did not remove the 2026-05-05
- staircase**, given that both the sweep and cross-frame contact-plane
- persistence landed on 2026-04-21 (`93cbabbc`), two weeks earlier. Three
- subsequent changes (§2.4) could each have altered the answer. **This is
- exactly what Stage 0 measures**; do not proceed on either an assumption of
- redundancy or an assumption of necessity.
-2. **Whether a body in a dungeon EnvCell gets a non-null `SampleTerrainNormal`
- in practice.** The function is XY-only and Z-blind, so it *will* return a
- normal whenever a landblock covering that XY is resident; whether pure
- dungeon landblocks stream terrain into `PhysicsEngine._landblocks` at all
- was not verified. This affects how bad the indoor case currently is, not
- whether the fix is correct. Determinable with `ACDREAM_PROBE_RESOLVE=1` in a
- dungeon.
-3. **Whether §7.2(b)'s off-terrain fixture can be built against the current
- flat-collision publication API** in reasonable time. `CellSurface` is
- confirmed *not* to be the route (`TransitionTypes`/`BSPQuery` do not consult
- it; the `HasCellSurface` path was deleted in C5a). The static/building
- publication path was not traced end to end. §7.2 carries an explicit
- fallback for this.
-4. **Whether §1.4(a) is a live contributor to #269.** The arithmetic is
- confirmed and the direction (downhill-only, XY-shortening) is suggestive,
- but #269's own note says the friction and jump chains were byte-verified
- identical and it needs a live cdb A/B. Handed over as a lead, not a
- diagnosis.
diff --git a/docs/research/2026-08-06-ad10-review-architecture.md b/docs/research/2026-08-06-ad10-review-architecture.md
deleted file mode 100644
index f44eab6a..00000000
--- a/docs/research/2026-08-06-ad10-review-architecture.md
+++ /dev/null
@@ -1,357 +0,0 @@
-# AD-10 retirement-by-deletion — architecture review
-
-**Reviewer scope:** completeness, blast radius, test quality. Retail fidelity is
-a separate reviewer's report (`2026-08-06-ad10-review-retail.md`).
-**Range:** `ef976c6d..2223ed17` on `claude/acdream-physics-divergence-5aa784`
-(`fe6ee877`, `886333a2`, `fb454b74`, `2223ed17`).
-**Date:** 2026-08-06.
-
-## Verdict: **PASS**, with one process defect and one under-scoped issue
-
-The Stage 0 measurement is **sound and I believe it** — I re-derived both
-reported numbers independently and added four cases the implementer did not
-report. The deletion is complete, the blast radius claim is correct, all three
-reported sabotages reproduce with matching numerals, and the two deleted tests
-were genuinely obsolete.
-
-Nothing here is a workaround, a suppression flag, a grace period, a symptom
-guard, a new skip, or a weakened test. No known flake was conflated.
-
-The defects are: one **mandatory contract test silently dropped** (D1), a
-**stale roadmap entry** (D2), and a **malformed doc comment** (D3). None
-justifies blocking the change; D1 should be settled before the visual gate is
-called done.
-
----
-
-## Part 1 — Is the Stage 0 measurement sound? (priority 1)
-
-### Method
-
-I did not take the implementer's word for it. I deleted all 44 `bin`/`obj`
-directories, built Release clean (0 errors), byte-scanned
-`AcDream.Core.dll` to confirm the string `SampleTerrainNormal` is absent from
-the compiled metadata (0 occurrences; `SampleTerrainWalkable` still present at
-2, proving the scan works), then drove `RemoteRampHarness` through the
-production `RuntimeRemotePhysicsUpdater.Tick` for 30 ticks and dumped every
-position as **raw IEEE-754 bits**.
-
-I then restored the pre-deletion production files verbatim
-(`git checkout ef976c6d -- ` the three `src/` files — those files changed only
-in `886333a2`, so this is an exact revert) and re-ran the identical dump.
-
-### Result — reproduced, and extended
-
-| Case | gradient | root motion / tick | pre-deletion vs HEAD |
-|---|---|---|---|
-| downhill 31° | 0.6 | (0, +0.10, 0) | **bit-identical, all 30 ticks** |
-| downhill 8.4° | 0.1477 | (0, +0.10, 0) | X, Y bit-identical; Z differs by **2.9e-5 m** at tick 30 |
-| **cross-slope 31°** | 0.6 | (+0.10, 0, 0) | **bit-identical** |
-| **diagonal 31°** | 0.6 | (+0.0707, +0.0707, 0) | **bit-identical** |
-| **flat** | 0.0 | (0, +0.10, 0) | **bit-identical** |
-| uphill 31° | 0.6 | (0, −0.10, 0) | bit-identical — **but vacuous, see L1** |
-
-Both reported numbers land exactly. The last three rows are mine; they close
-the obvious "only one direction was measured" objection.
-
-### Is "bit-identical" vacuous — did neither path do anything?
-
-**No, for the downhill case.** Over 30 ticks the body advances Y by 2.206 m and
-descends 1.324 m. Those are not noise: they are exactly the analytically
-predicted projected step. For `N = (0, 0.5145, 0.8575)` and a requested
-`(0, 0.1, 0)`, the projection `v − N·(v·N)` gives `(0, 0.07353, −0.04412)`;
-the measured per-tick advance is `0.07353 / −0.04412`. The sweep alone
-reproduces the deleted projection to the last digit.
-
-The idempotency argument the commit message gives also holds in the code, not
-just on paper: `Transition.AdjustOffset`
-(`src/AcDream.Core/Physics/TransitionTypes.cs:5246-5258`) subtracts the full
-normal component in **both** its `collisionAngle <= 0` and `> 0` arms, so a
-vector already on the plane is returned unchanged. That is why the composition
-collapses.
-
-**Yes, for the uphill case** — and the implementer said so and refused to ship
-the test. That refusal was correct (see L1).
-
-### Does the fixture make it vacuous?
-
-The concern is real and worth naming: the ramp is one constant-gradient plane
-over the whole landblock, so `SampleTerrainNormal(x, y)` **equals**
-`Body.ContactPlane.Normal` everywhere. That is precisely the case where
-idempotency guarantees no change — the friendliest possible geometry for the
-"redundant" claim.
-
-But it is also the **right** geometry for the question actually being asked.
-Deletion can only regress where the two planes agree (there the old layer was
-doing correct work that must now come from somewhere else); where they
-disagree the old layer was applying a *wrong* plane, so removing it cannot be a
-regression. The measurement covers the regression-capable case exactly, and my
-cross-slope/diagonal/flat additions cover it in three more directions.
-
-**Verdict on Stage 0: I believe it.** The redundancy claim is established for
-terrain. What is *not* established is the claimed improvement — see D1.
-
----
-
-## Part 2 — Findings
-
-### Defects
-
-#### D1 — a mandatory contract test was dropped with no record (process)
-
-`docs/research/2026-08-06-ad10-contract.md:546-577` specifies **T2**, "the
-discriminating test", on a fixture where the committed contact plane differs
-from the terrain sample at the same XY. Construction (a), a two-gradient
-terrain crest, is marked **"Mandatory."** Construction (b), an off-terrain
-walkable surface, is **"Required, with a documented fallback: if the fixture
-cannot be built in reasonable time, say so explicitly in the closeout, ship on
-(a), and record (b) as an untested axis rather than silently dropping it."**
-Line 690 of the same contract puts T2–T5 in the deletion commit.
-
-Neither exists. `grep -rn -i "crest|ridge|two-gradient" tests/AcDream.Runtime.Tests/`
-returns nothing, and no commit message, register row, or doc in the range
-records the disposition of T2.
-
-T3, T4 and T5 are defensibly moot under deletion (T3 and T4 test guards that no
-longer exist; T5's intent is superseded by the stronger compile-error
-guarantee). **T2 is not moot.** Under deletion it becomes the test for the one
-behavioural *benefit* the change claims — and that claim is stated as fact in
-two places without evidence:
-
-- `docs/architecture/retail-divergence-register.md:122` (the retired AD-10 row);
-- `886333a2` commit message: *"What deletion does improve is the case #32 never
- covered: a remote on a WALKABLE non-terrain surface … That surface now gets
- the body's own committed contact plane."*
-
-**Concrete failure scenario.** A remote runs along a sloped wooden bridge or a
-dock over sloped terrain. After deletion the *only* projection is the sweep's,
-which runs `only when ci.ContactPlaneValid` (`TransitionTypes.cs:5202-5224`
-takes the no-contact-plane branch otherwise). If `check_contact` ever fails to
-seed a contact plane on a tick where the body is `OnWalkable`, the offset is
-not projected at all, where before the terrain sample supplied one. The body
-holds Z between server updates — the exact ~5 Hz staircase the projection
-existed to remove — and **nothing in CI goes red**, because every automated
-assertion about this behaviour lives on a pure-terrain fixture.
-
-I judge the residual risk *low* (on flat terrain under a bridge the deleted
-projection was a near-no-op anyway), but "low risk" is a different statement
-from "measured", and the contract explicitly forbade making it silently.
-
-**Ask:** either build T2(a) — the harness already supports it, it is a
-two-gradient heightmap in `RemoteRampHarness.Ramp` — or add one paragraph to
-the register row recording T2 as a deliberately untested axis, per the
-contract's own fallback clause.
-
-#### D2 — stale roadmap entry (docs)
-
-`docs/plans/2026-04-11-roadmap.md:108` still lists
-
-> `AP-22 authored object shapes, and AD-10 remote contact-plane projection.`
-
-as open campaign work. AD-10 is retired. CLAUDE.md's roadmap discipline rule 3
-requires the roadmap update in the same commit as, or immediately after, the
-work. The register row, both downstream `docs/ISSUES.md` cross-references
-(`:10513-10515`, `:10672-10676`) and the historical record were all swept
-correctly — the roadmap was the one miss.
-
-#### D3 — malformed XML doc comment (style)
-
-`src/AcDream.Core/Physics/RemoteMotionCombiner.cs:38-53`. The AD-10 retirement
-rationale is written as a `` block placed *after* the closing
-`` on line 38, and terminated by a second `` on line 52:
-
-```
-38 ///
-39 ///
-40 /// AD-10, retired 2026-08-06. …
-52 /// …unchanged.
-53 /// <- unmatched close tag
-```
-
-Two closes, one open, one orphaned ``. The build is green only because
-this project does not generate documentation files; the rationale will not
-render in IntelliSense, and the file would emit CS1570 the moment
-`GenerateDocumentationFile` is turned on. Same paragraph reads fine — just move
-it inside the first ``.
-
-### Latent risks
-
-#### L1 — #331 is real, is under-scoped, and one cheap probe moves it a long way
-
-The issue as filed (`docs/ISSUES.md:75-150`) is honest and unusually thorough:
-it rules out gradient, step size, cell boundaries, Z seating, and axis, and it
-names the vacuous test that found it. I reproduced every one of those
-exclusions. But the "fixture-versus-production" question it leaves open is
-answerable more cheaply than it says, and the answer points away from the lead
-the issue names.
-
-**What I measured**, calling `PhysicsEngine.ResolveWithTransition` *directly*
-on the harness's engine (no remote tick involved):
-
-| call | result |
-|---|---|
-| uphill, `body: rm.Body`, `isOnGround: true` | `ok=False`, moved `(0,0,0)` |
-| uphill, `body: rm.Body`, `isOnGround: false` | `ok=False`, moved `(0,0,0)` |
-| **uphill, `body: null`** | **`ok=True`, moved `(0, −0.0999, +0.060)`** |
-| uphill, `body: null`, lifted 0.5 m | `ok=True`, moved `(0, −0.0999, 0)` |
-| uphill, with `IsPlayer\|EdgeSlide` + the human two-sphere Setup list | `ok=False` |
-| uphill diagonal `(0.1, −0.1, 0)`, `body:` supplied | `ok=True`, moved **`(0.1, 0, 0)`** |
-| downhill / cross-slope / straight-up / straight-down, `body:` supplied | `ok=True`, all correct |
-
-Three things follow that the issue does not yet carry:
-
-1. **The discriminator is the `body:` parameter**, i.e. the seeded
- contact-plane / retained-walkable-polygon path (retail `check_contact`).
- Without a body the same uphill sweep climbs; with one it refuses. Production
- *always* passes a body — the local player at
- `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:2646`, the remote
- at `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:424`.
-2. **It is not remote-specific and not sphere-list-specific.** It reproduces
- under a call profile identical to the local player's, including
- `IsPlayer | EdgeSlide` and the human Setup's two-sphere list. The issue's
- stated "first thing to check" — the terrain publication path
- (`AddLandblock` vs `LandblockPhysicsContentBuilder.PublishStaticCollision`)
- — is now the *less* likely lead of the two.
-3. **The up-slope component is clipped, not the whole step.** The diagonal case
- returns `ok=True` and keeps its cross-slope X while zeroing its up-slope Y.
- A walkable 31° ramp is behaving like a wall for up-slope motion, and a
- 1.1° ramp (gradient 0.02) does the same.
-
-**Nothing in the repository proves walkable uphill progress works anywhere.**
-`RetailEdgeResponseOrderingTests.cs:277-312` runs a downhill / uphill /
-tangential theory and asserts horizontal progress for *downhill and tangential
-only* — the `uphill` arm is routed to a no-bounce assertion instead. That is
-correct for its unwalkable steep-roof fixture, but it means the suite has no
-uphill-progress assertion to lean on.
-
-**This is not a regression from AD-10** — I confirmed the uphill trajectory is
-bit-identical before and after the deletion, so nothing here blocks this change.
-But #331's severity should not stay UNKNOWN: the trigger is now known to be a
-production-shaped call, and the remaining unknown is narrow enough to settle in
-one probe.
-
-#### L2 — the surviving tests cannot see the projection, only the Z seating
-
-Verified, and quantified. With `Transition.AdjustOffset` short-circuited to
-`return offset;`:
-
-- `RuntimeRemoteSlopeProjectionTests` — **all green**, confirming the
- implementer's rejection of the contract's proposed T1 sabotage;
-- the downhill Y advance goes from **0.0735 m/tick to 0.1000 m/tick**, i.e. the
- remote runs **36% faster downhill**, and the tests do not notice;
-- Z still tracks the surface exactly, because `ValidateWalkable`'s push-out
- (`TransitionTypes.cs:3445-3452`, reached from `FindEnvCollisions`) re-seats
- the sphere at its natural resting distance every sub-step. The implementer's
- stated third mechanism is real, both structurally and empirically.
-
-This is disclosed, at length and unprompted, in the test's own doc comment
-(`RuntimeRemoteSlopeProjectionTests.cs:97-113`), including the instruction that
-it "must not be cited as" a unit test of `adjust_offset`. That is the correct
-handling of a non-discriminating test.
-
-It is also not a coverage hole overall: running the full suite under that same
-sabotage produces **15 failures** — 14 in `AcDream.Core.Tests` plus
-`RuntimeRemoteSteepContactSlideTests.SteepContactKeepsTheBodySlidingDownhill`
-("expected a slide, body moved 0.0000 m"), which is the Runtime remote path's
-own guard. No action required; recorded so nobody later mistakes the new file
-for `adjust_offset` coverage.
-
-#### L3 — "bit-identical" is a property of this fixture, not of the change
-
-The 8.4° ramp differs by 2.9e-5 m in Z because `dot(v', N)` is not exactly
-zero in float after the first projection. The 31° case lands bit-identical; a
-third gradient might not. The commit message already reports both numbers and
-calls the difference float ordering noise, which is the honest framing. Nobody
-should generalise "bit-identical" into a guarantee.
-
----
-
-## Part 3 — What I checked and found clean (so the PASS is auditable)
-
-**Deletion completeness (priority 2).** Three independent sweeps:
-`SampleTerrainNormal` (zero code references — only comments and docs),
-`terrainNormal` case-insensitive (same), and the formula shape
-`* Vector3.Dot(` / `-= N *` across all of `src/` (only an unrelated
-`Vfx/ParticleSystem.cs:1245` axis projection). No fourth copy, no dead
-diagnostic, no test reference. Both fork branches carried the block verbatim
-pre-deletion (`:272-282` and `:317-325`) and both are gone — the AP-22 shape was
-handled. `SampleTerrainWalkable`, the internal the deleted wrapper called, is
-**not** orphaned: it retains live callers at `TransitionTypes.cs:2909` and
-`:3432`. `ComputeOffset` confirmed production-dead — the only callers are in
-`tests/AcDream.Core.Tests/`. Removing the parameter rather than passing null
-does make a one-site reintroduction a compile error, as claimed.
-
-**Sabotage reproduction (priority 3).** All three reproduce, from clean builds:
-
-| sabotage | reported | reproduced |
-|---|---|---|
-| `rm.Body.Position = postIntegratePos` (`:457`) | RED at tick 1, 0.05999 m off surface | **RED at tick 1, "body root sits 0.05999 m above the terrain under it"** |
-| flatten ramp to gradient 0 | RED on the anti-vacuity guard, `dz = 0.0000` | **RED, "fixture is not exercising slope descent: dz = 0.0000 m"** |
-| short-circuit `Transition.AdjustOffset` | GREEN | **GREEN** (see L2) |
-
-The anti-vacuity guard is real and load-bearing: note that the *other* fixture
-test, `TheFixtureRampIsWalkableAndItsPlaneIsTheGeometricOne`, passes happily on
-a flattened ramp (`RampNormal(0)` is `(0,0,1)` and so is the flat contact
-plane), so the guard is the only thing standing between this file and a
-silently-flattened fixture.
-
-**Deleted tests (priority 4).** Both were genuinely obsolete.
-`..._SlopedTerrainNormal_ProjectsZOntoSlope` asserted only the deleted formula,
-against expected values re-derived from that same formula in a comment — it
-could catch a wrong multiply but never a wrong plane, exactly as the commit
-message says. `..._FlatTerrainNormal_NoZChange` is a *literal duplicate* of the
-surviving `ComputeOffset_AnimationOnly_Forward_BodyAdvances`
-(`RemoteMotionCombinerTests.cs:51-68`): same `dt: 0.1`, same
-`rootMotionLocalDelta: (0, 0.4, 0)`, same identity orientation, same asserted
-`(0, 0.4, 0)`. Nothing was asserted by either test that is not still asserted.
-The tombstone comment left in their place names both and points at the
-replacement.
-
-**Harness extraction (`fe6ee877`).** Filtering the diff of
-`RuntimeRemoteSteepContactSlideTests.cs` to `Assert` / `[Fact]` / `[Theory]`
-lines yields **zero** added or removed assertions — the extraction moved the
-private nested `Harness` out verbatim and nothing else. Its start position
-constants are unchanged (96, 96). All ten Bug B tests still pass.
-
-**Blast radius (priority 6).** Confirmed exactly as stated.
-`new RuntimeRemotePhysicsUpdater(` has one production site,
-`src/AcDream.App/Physics/RemotePhysicsUpdater.cs:46`; every other match is a
-test fixture. `src/AcDream.Headless/` contains no reference to
-`RuntimeRemotePhysicsUpdater`, `RemotePhysicsUpdater`, `RemoteMotion` or
-`RemoteMotionCombiner`. The class is `internal` to `AcDream.Runtime` and reaches
-production only via `InternalsVisibleTo` into `AcDream.App`
-(`AcDream.Runtime.csproj:12`). `RemoteMotionCombiner` lives in `AcDream.Core`
-and is instantiated in `RemoteMotion.cs:242`, but the only things that *drive*
-it are the three `ComposeOffset` sites in `RuntimeRemotePhysicsUpdater`. The
-inverse of C5b's lesson does apply here and the implementer got it right:
-assembly placement is not reachability, and a green headless gate would have
-been vacuous evidence. #332 records that reasoning correctly.
-
-**`TickHidden` (priority 7).** Correct to leave untouched. I byte-compared the
-call at `RuntimeRemotePhysicsUpdater.cs:940-948` against `ef976c6d`: it is
-character-for-character identical, and it used the named argument
-`inContact:` while skipping the optional `terrainNormal`, so the hidden-remote
-path always received `null`. Deleting the parameter is a no-op there by
-construction.
-
-**Gates.** From a state with all 44 `bin`/`obj` directories deleted:
-Release build **0 errors**; full solution suite **11,196 passed / 4 skipped /
-0 failed**, matching the claim exactly and reconciling with the stated
-`11,195 / 4 / 0` baseline as +3 new Runtime `[Fact]`s and −2 deleted Core tests.
-Run twice — once before my sabotage experiments and once after restoring the
-tree — with identical totals. Skip count unchanged at 4 (3 App, 1 Core); no
-skip was added.
-
-**Tree state.** `git status --porcelain` and `git diff HEAD` are clean. The one
-untracked file, `docs/research/2026-08-06-ad10-review-retail.md`, belongs to the
-concurrent retail-fidelity reviewer and was not touched. Every temporary
-sabotage and probe file I introduced was reverted or deleted and verified gone.
-
-**Rule compliance.** No workaround, no suppression flag, no grace period, no
-`if (badState) return`, no swallowed exception, no widened tolerance, no new
-skip. The 5 mm tolerance in the new tracking test is justified in its own doc
-comment against both the failure it must catch (~1.8 m) and the noise it must
-tolerate (<1e-4 m), and I confirmed the ratio by measurement. Known flakes
-#302 / #308 / #321 were not touched or conflated. AD-65 and AD-66 were filed as
-separate register rows rather than folded into this change, which is the right
-call — both change local-player feel and need their own gate.
diff --git a/docs/research/2026-08-06-ad10-review-retail.md b/docs/research/2026-08-06-ad10-review-retail.md
deleted file mode 100644
index f31d5fb6..00000000
--- a/docs/research/2026-08-06-ad10-review-retail.md
+++ /dev/null
@@ -1,481 +0,0 @@
-# AD-10 retirement — retail-conformance review
-
-**Verdict: PASS**, with one MEDIUM documentation defect that must be corrected
-before the register row is trusted (AD-65's quantification), and three LOW
-items.
-
-- **Reviewed:** `ef976c6d..2223ed17` on `claude/acdream-physics-divergence-5aa784`
- in worktree `.claude/worktrees/peaceful-visvesvaraya-e0a196`
- (`fe6ee877`, `886333a2`, `fb454b74`, `2223ed17`).
-- **Lens:** retail conformance. Every retail claim below was re-derived from
- the PDB-paired binary, not from the contract, the commit messages, or the
- Binary Ninja pseudo-C.
-- **Binary:** `C:\Users\erikn\Downloads\acclient.exe`,
- `check_exe_pdb.py` → `=== MATCH ===`, linker UTC 2013-09-06T00:17:56,
- CodeView GUID `9e847e2f-777c-4bd9-886c-22256bb87f32`. Image base `0x00400000`.
- Disassembled with capstone x86-32 straight off the file, VA→file-offset
- through the section table; floats read from `.rdata` as raw bytes.
-- **Build/test:** all 44 `bin`/`obj` directories deleted, full
- `dotnet build AcDream.slnx -c Release` → **0 errors**; full
- `dotnet test --no-build` → **0 failed**. Staleness disproved positively:
- `SampleTerrainNormal` is **absent** from the freshly built
- `AcDream.Core.dll` byte image (and `RuntimeRemoteSlopeProjectionTests` is
- present in the test image), so the runner is genuinely serving the deleted
- code.
-
----
-
-## 1. Independent verification of the retail claims
-
-### 1.1 Is `Transition.AdjustOffset` a faithful port of `CTransition::adjust_offset` @0x0050a370?
-
-**Yes — structurally exact, with exactly the two exceptions the change itself
-filed as AD-65 and AD-66. No third divergence found.**
-
-Function extent from the binary: `0x0050a370` (`sub esp,0x24`) to `0x0050a6c7`
-(`ret 8`), nops to `0x0050a6d0` where `CTransition::cliff_slide` begins.
-Symbol confirmed from `symbols.json`:
-`0x0050A370 CTransition::adjust_offset`,
-mangled `?adjust_offset@CTransition@@IAE?AVVector3@AC1Legacy@@ABV23@@Z`
-(returns `Vector3`, takes `const Vector3&`).
-
-Field map recovered from the code: `this+0x2a8` = `sliding_normal_valid`,
-`this+0x2ac/0x2b0/0x2b4` = `sliding_normal.xyz`, `this+0x288` =
-`contact_plane_valid`, `esi = this+0x28c` = `contact_plane` (`N.x/N.y/N.z` at
-`+0/+4/+8`, `D` at `+0xc`), `this+0x2a4` = `contact_plane_is_water`,
-`this+0x29c` = `contact_plane_cell_id`, `this+0x34` → global sphere
-(`origin` `+0/+4/+8`, `radius` `+0xc`), `this+0x20` = sphere path.
-
-**All four x87 flag tests decoded** (the contract's count is right; here is
-each one, with the FPU condition-code reasoning — `fcom*` sets C0=1 for
-"ST0 < src", C3=1 for equal, C2=1 for unordered; `fnstsw ax` puts C0 at bit 0
-of `ah`, C2 at bit 2, C3 at bit 6):
-
-| # | Address | Instruction | Meaning | acdream |
-|---|---|---|---|---|
-| 1 | `0050a3c4` | `test ah,1` after `fcomp [0x795344]` | C0 alone → `slidingAngle < 0` → `checkSlide = true`; else `sliding_normal_valid = 0` | `TransitionTypes.cs:5192-5199` ✅ |
-| 2 | `0050a502` | `test ah,0x41` / `0050a505 jne 0x50a515` | C0\|C3 → `collisionAngle <= 0` → subtract arm; fall through (`> 0`) → `call 0x509c50` | `:5246-5258` — **diverges, AD-65** |
-| 3 | `0050a5d3` | `test ah,5` + `jp 0x50a6a8` after `fcompp` | PF set ⇔ C0=C2 ⇔ (ordered) C0=0 ⇔ `dist >= radius - 0.0002` → skip push-out | `:5297` — **diverges in the threshold, AD-66** |
-| 4 | `0050a5ed` | `test ah,0x41` / `jne 0x50a6a4` | C0\|C3 → `radius <= abs(zDist)` → skip | `:5302` `radius > MathF.Abs(zDist)` ✅ |
-
-Everything else lines up instruction-for-instruction:
-
-- **No-contact-plane early return** (`0050a61c`): if `!checkSlide`, returns the
- offset untouched and jumps past the safety block; else
- `offset -= sliding_normal * slidingAngle` (`0050a624-0050a69e`) and still
- skips the safety block. acdream `:5202-5223` ✅ including the skip.
-- **Crease order.** `0050a412-0050a458` builds
- `cross(contact_plane.N, sliding_normal)` in that operand order
- (`[esp+0x14] = sn.z*cpn.y - sn.y*cpn.z` = `cross(cpn, sn).x`). acdream
- `:5228 Vector3.Cross(ci.ContactPlane.Normal, ci.SlidingNormal)` ✅.
-- **Degenerate-crease guard.** `0050a45c call 0x452460` =
- `AC1Legacy::Vector3::normalize_check_small`; disassembled at `0x00452460` it
- computes `len = sqrt(x²+y²+z²)`, compares against `[0x79b6ac]` = **0.0002f**
- (raw `17b75139`), returns 1 (and leaves the vector alone) when `len <` that,
- otherwise normalizes and returns 0. Retail then zeroes the offset on
- return-1. acdream `:5233-5243` computes the length, compares
- `slideLen < PhysicsGlobals.EPSILON` (= 0.0002), zeroes on true, else divides
- by the length and dots — algebraically identical, same threshold, same
- constant ✅.
-- **Safety block gating** `contact_plane_is_water == 0 && contact_plane_cell_id != 0`
- (`0050a569`, `0050a577`) ✅ `:5285`. Retail additionally converts through
- `LandDefs::get_block_offset` (`0x0043E630`, called at `0050a592`) because its
- contact plane is cell-local; acdream's sphere is already global — a
- representational difference, not a behavioural one.
-- **Push-out vector** `(0, 0, zDist)` and `SPHEREPATH::add_offset_to_check_pos`
- (`0x00509D10`, called at `0050a612` with `ecx = this+0x20`) ✅ `:5304`.
-
-Cross-check: **ACE agrees with retail on both divergent points**
-(`references/ACE/Source/ACE.Server/Physics/Transition.cs:60-88` calls
-`ContactPlane.SnapToPlane(ref offset)` on the `else` arm and uses the bare
-`globSphere.Radius` in both the trigger and the numerator). So acdream is the
-outlier against both oracles, which is what AD-65/AD-66 now record.
-
-### 1.2 Does retail project against `collision_info.contact_plane`, and who produces it?
-
-**Yes, and the producer set is broader than claimed — which strengthens rather
-than weakens the argument.**
-
-`adjust_offset` reads `this->collision_info.contact_plane` at `edi+0x28c`
-gated on `contact_plane_valid` at `edi+0x288`. It is called **per sub-step**
-from inside the step loop of `CTransition::find_transitional_position`
-(`0x0050BDF0`, call at `0050bf66`, immediately followed by the
-`WalkInterp = (i+1)/numSteps` computation at `0050bfc2-0050bfe9` that identifies
-the loop body); the only other caller is `CTransition::find_placement_pos`
-(`0x0050BA50`, call at `0050bcfd`). Two call sites total, byte-scanned across
-the whole `.text` for `E8` rel32 targets.
-
-Byte-scanning `.text` for calls to `COLLISIONINFO::set_contact_plane`
-(`0x00509D80`) gives **nine** producers:
-
-```
-0050ab37 CTransition::validate_transition +0xc7
-0050acca CTransition::validate_transition +0x25a
-0050d1c7 OBJECTINFO::validate_walkable +0x1b7
-0050d2e1 OBJECTINFO::validate_walkable +0x2d1
-00536ecf CSphere::step_sphere_down +0x1af
-00537db1 CSphere::intersects_sphere +0x331
-0053a5ee BSPTREE::find_collisions +0x1ae
-0053aae2 CCylSphere::step_sphere_down +0x132
-0053b6b9 CCylSphere::intersects_sphere +0x279
-```
-
-`BSPTREE::find_collisions` and both `step_sphere_down` variants are on the
-list, so the claim that retail's contact plane natively carries building and
-EnvCell geometry — the gap a terrain-only XY sample structurally cannot cover —
-**is confirmed**. Two nits, neither material: `BSPTREE::step_sphere_down`
-(`0x0053A210`) is *not* itself a setter (it reaches the plane through the
-`CSphere`/`CCylSphere` pair), and the claim omits `intersects_sphere` ×2 and
-the `validate_*` pair.
-
-Corroborating the other half of the argument — that retail has **no** pre-sweep
-projection: `CPhysicsObj::UpdatePositionInternal` (`0x00512C30`, pc:280817) is
-`CPartArray::Update` → root-frame scale gated on `transient_state & 2`
-(`0x00512CA1`; `× m_scale` when set, `× 0` when clear) →
-`PositionManager::adjust_offset` → `Frame::combine` →
-`UpdatePhysicsInternal` → `process_hooks`. No plane, no normal, no dot product
-anywhere before the sweep. ✅
-
-### 1.3 Constants
-
-Read as raw bytes from `.rdata` at the stated VAs:
-
-| VA | Bytes | Value |
-|---|---|---|
-| `0x00795344` | `00000000` | `0.0f` ✅ |
-| `0x007c6878` | `17b75139` | `0.00019999999494757503f` ✅ |
-| `0x0079b6ac` | `17b75139` | same 0.0002f (the `normalize_check_small` threshold) |
-| `0x007928c0` | `000000000000f03f` | `1.0` (double, `snap_to_plane`'s reciprocal numerator) |
-
-### 1.4 AD-65 — the `snap_to_plane` substitution
-
-**Disassembly claim: CONFIRMED exactly. Trigonometric formula: CONFIRMED.
-Percentages: WRONG — see finding F1.**
-
-`0050a4fa fcomp [0x795344]` / `0050a502 test ah,0x41` / `0050a505 jne 0x50a515`
-are byte-for-byte as the row states, and the FPU reasoning is right: `jne`
-takes the SUBTRACT arm at `0x50a515` (which is literally
-`result -= N * collisionAngle`, spelled out at `0050a515-0050a565`) when
-`cAngle <= 0`, and falls through to `call 0x509c50` when `cAngle > 0`.
-`0x00509C50` is `Plane::snap_to_plane` per `symbols.json`, and disassembling it
-gives, after an early return when `|N.z| <= 0.0002`:
-
-```
-v.z = -(v.x*N.x + v.y*N.y) / N.z ; v.x and v.y are never written
-```
-
-(the `+D` and `-D` terms at `0050a58f`/`0050c996` cancel exactly; ACE's
-`PlaneExtensions.SnapToPlane` writes the same cancelling pair). acdream's
-`else` arm at `TransitionTypes.cs:5252-5258` is instead
-`result -= N * collisionAngle`, identical to the `if` arm — the row's core
-claim, confirmed.
-
-Geometry, re-derived independently. Slope descending along +X at angle θ has
-outward normal `N = (sinθ, 0, cosθ)`. For a horizontal step `v = (d, 0, 0)`
-downhill, `v·N = d·sinθ > 0` → the `snap_to_plane` arm:
-
-- retail: `(d, 0, -d·tanθ)` — **XY preserved at `d`**, along-plane speed `d/cosθ`;
-- acdream: `(d·cos²θ, 0, -d·sinθ·cosθ)` — **XY = `d·cos²θ`**, along-plane speed
- `d·cosθ`.
-
-So the XY ratio is `cos²θ`. The row's *formula* is right.
-
-### 1.5 AD-66 — the safety push-out threshold
-
-**CONFIRMED, all four operand loads, verbatim.**
-
-```
-0050a5c4 d9410c fld dword ptr [ecx+0xc] ; bare radius
-0050a5c7 d82578687c00 fsub dword ptr [0x7c6878] ; - 0.0002f
-0050a5cd d9c1 fld st(1) ; dist
-0050a5cf ded9 fcompp ; dist vs radius - eps
-...
-0050a5dc d8690c fsubr dword ptr [ecx+0xc] ; radius - dist (bare radius again)
-0050a5df d87608 fdiv dword ptr [esi+8] ; / contact_plane.N.z
-```
-
-Neither site multiplies by `N.z`. acdream substitutes
-`naturalRestingDist = radius * ci.ContactPlane.Normal.Z` in **both** places
-(`TransitionTypes.cs:5295` and `:5301`), exactly as the row says, and the row is
-right that ACE has retail's form too — so "ACE and the published pseudocode
-have the original threshold" in the code comment does understate it. Filing an
-argued-but-unrecorded deviation is correct register hygiene.
-
-### 1.6 Address / anchor precision audit
-
-Every cited address re-checked as the construct claimed (this is the class of
-error that produced AP-150's mis-cite):
-
-| Citation | Verified |
-|---|---|
-| `CTransition::adjust_offset` `0x0050a370` | ✅ symbol + `ret 8` at `0x0050a6c7` |
-| `Plane::snap_to_plane` `0x00509c50` | ✅ symbol; body is the z-only solve |
-| `0050a4fa` / `0050a502` / `0050a505` | ✅ exact instructions as quoted |
-| `0050a5c4` / `0050a5c7` / `0050a5dc` / `0050a5df` | ✅ exact instructions as quoted |
-| `0x795344 = 0.0f`, `0x7c6878 = 0.0002f` | ✅ raw bytes as quoted |
-| `CTransition::find_transitional_position` `0x0050bdf0` | ✅ symbol; per-step call at `0050bf66` |
-| pc:272271–272393 | ✅ 272271 is the `adjust_offset` signature line, 272393 the closing `}` — **exact** |
-| pc:271852 (`snap_to_plane`) | ✅ exact signature line |
-| old anchor pc:272296–272346 "truncated" | ✅ 272296 = `float __return_1;` (after the sliding-normal gate closes at 272292); 272346 = `if (contact_plane_is_water == 0)` (the safety block's first line). Both truncations real. |
-
-AD-65's methodological claim — that Binary Ninja "cannot be read for branch
-direction" — is accurate and correctly narrow. BN *does* render the
-`snap_to_plane` call plainly (pc:272322) and gets the arm order structurally
-right; what it cannot express is which FPU condition bits `test ah,0x41`
-selects, which it emits as
-`(*(uint8_t*)((char*)eax_4)[1] & 0x41) != 0`. The disassembly was necessary and
-the row does not overclaim.
-
----
-
-## 2. Is the deletion itself retail-faithful?
-
-Yes, and more strongly than the commit argues.
-
-- The sweep genuinely runs for remotes:
- `RuntimeRemotePhysicsUpdater.cs:414` calls
- `_physics.Engine.ResolveWithTransition(preIntegratePos, postIntegratePos, …, body: rm.Body, …)`
- and `:457` assigns `rm.Body.Position = resolveResult.Position` unconditionally,
- so the sweep is authoritative over the composed root motion. The old row's
- justification ("remote bodies don't run a full local transition sweep") was
- indeed false, and the retirement row says so.
-- `PhysicsEngine.SampleTerrainWalkable` (`PhysicsEngine.cs:1023`) is a pure
- `(worldX, worldY)` landblock scan — Z-blind, cell-blind, statics-blind. The
- "wrong surface on a bridge/roof/dungeon ramp" claim is structural, not
- rhetorical.
-- Retail has no pre-sweep projection (§1.2). Deleting one is the retail
- direction regardless of what the measurement had shown.
-- The composition-idempotence argument holds: after `v -= N·(v·N)`,
- `dot(v, N) == 0`, so a second projection against the same plane is a no-op —
- which is why the trajectory came out bit-identical, and why the deletion
- cannot regress the same-plane (terrain) case.
-
-Residue check: no production caller of `RemoteMotionCombiner.ComputeOffset`
-remains (tests only), `SampleTerrainNormal` survives only in comments, and the
-parameter removal makes a one-site regression a compile error as claimed.
-
----
-
-## 3. Findings
-
-### F1 — MEDIUM. AD-65's percentages are wrong by ~2×, and contradict its own formula and the project's own measurement
-
-`docs/architecture/retail-divergence-register.md`, row AD-65:
-
-> acdream therefore descends slopes SLOWER than retail by cos^2(theta) in XY:
-> **13% slow at 30 degrees, 29% at 45 degrees**.
-
-`cos²(30°) = 0.750` → **25% slow**. `cos²(45°) = 0.500` → **50% slow**. The
-quoted figures are `1 − cos θ` (13.4% and 29.3%), not `1 − cos²θ`; the row
-states the correct factor and then quantifies a different one.
-
-This is not a matter of interpretation — the same push measured it. **#331**
-(`docs/ISSUES.md`, added in `2223ed17`) records a probe on the gradient-0.6
-ramp (θ = 30.96°): `the XY advance is 0.0735 m for a 0.1 m request`. That is
-`cos²(30.96°) = 0.7353`, i.e. **26.5% slow** — a direct empirical refutation of
-"13% at 30 degrees", sitting in a neighbouring file in the same commit series.
-
-Consequence: AD-65 is filed as a **lead for #269**, and the number is exactly
-what a future reader will weigh when deciding whether the lead is worth
-chasing. Halving the magnitude makes a 50%-at-45° downhill speed loss look like
-a rounding-error feel issue. **Fix the two percentages to 25% and 50% before
-this row is used for anything.**
-
-- Retail: `CTransition::adjust_offset` `0x0050a370`, arm select at `0050a505`;
- `Plane::snap_to_plane` `0x00509c50`.
-- acdream: `src/AcDream.Core/Physics/TransitionTypes.cs:5252-5258`.
-- Observable in game: a player or remote running downhill on a 45° face covers
- half the ground per second that retail does (25% less at 30°); on the same
- input the body's along-plane speed is `d·cosθ` where retail's is `d/cosθ`.
- Uphill is correct.
-
-### F2 — MEDIUM. "Verbatim / faithful port" is asserted about `Transition.AdjustOffset` in five places, and is false as of the very next commit
-
-The change repeatedly certifies the port it is standing on:
-
-- `src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:276` and `:321` —
- "**ported verbatim** in `Transition.AdjustOffset`";
-- `src/AcDream.Core/Physics/RemoteMotionCombiner.cs:46` — "acdream ports that
- **verbatim**";
-- `tests/AcDream.Runtime.Tests/Physics/RuntimeRemoteSlopeProjectionTests.cs:11` —
- "acdream ports that **faithfully**";
-- the retired **AD-10** register row — "runs acdream's **verbatim port** of
- `CTransition::adjust_offset` once per sub-step";
-- `fe6ee877`'s commit message — same phrase.
-
-One commit later, `fb454b74` files **two** divergences inside that exact
-function. The register now simultaneously asserts that `AdjustOffset` is a
-verbatim port and that it substitutes a different operation on one of its three
-arms and a different constant in its safety block. A future maintainer grepping
-"verbatim" for a trustworthy reference implementation will be misled, and the
-retired AD-10 row — the permanent record — is the worst place for it.
-
-Not a code defect; the deletion argument survives untouched (see F3 for why it
-in fact survives *because* of AD-65). But four comments and one register row
-should read "ported apart from AD-65 and AD-66" or cite them inline.
-
-### F3 — LOW/MEDIUM. The "measured redundant" evidence is contingent on AD-65, and the register does not say so
-
-The bit-identical measurement is a consequence of the divergence filed the same
-day. acdream's away-plane arm is `v -= N·(v·N)` — *the same operation as the
-deleted pre-sweep projection* — so the composition is idempotent and deleting
-one changes nothing. If AD-65 is ever fixed, the away-plane arm becomes
-`snap_to_plane`, which **preserves** XY; a surviving pre-sweep projection would
-then have shrunk XY to `cos²θ` before `snap_to_plane` locked it in, and
-`snap_to_plane` (being a no-op on an already-on-plane vector) would have had no
-way to recover it.
-
-So the deletion is not merely safe — it is a **prerequisite** for AD-65's
-eventual fix, and the ordering (delete first, then fix AD-65) is the right one.
-That is a point in the change's favour, and it is missing from the record. The
-retired row reads "measured redundant" flat, which invites a future reader to
-conclude the pre-sweep layer was always a no-op on principle. Recommend one
-sentence in AD-65 and/or the retired AD-10 row noting the interaction.
-
-Related, minor: the surviving measurement is **downhill-only**, because #331
-made the uphill counterpart vacuous. The commit message and #331 are both
-candid about this; the register row is not, and simply says "30 ticks down a
-31-degree ramp" — which is accurate but reads as a choice rather than as a
-constraint. No action required beyond awareness.
-
-### F4 — LOW. Malformed XML doc on `ComposeOffset` will hide the AD-10 note from tooling
-
-`src/AcDream.Core/Physics/RemoteMotionCombiner.cs:34-53`: the summary closes at
-line 38, the AD-10 `` block sits at document top level from line 40, and a
-second, unmatched `` appears at line 52. The project sets no
-`GenerateDocumentationFile`, so the compiler is silent — but IDE tooltips and
-any generated docs will show only the first paragraph and drop the retirement
-note, which is precisely the note a future maintainer of this method needs.
-Move the `` inside the first `` and delete the second.
-
-### F5 — LOW. AD-65 and AD-66 cite files without lines
-
-Both new rows name `src/AcDream.Core/Physics/TransitionTypes.cs` with a prose
-description of the block. Adjacent rows (AD-5, AD-12, AD-13, AD-62, AD-64) give
-`file:line`. The exact anchors are `:5252-5258` (AD-65's `else` arm) and
-`:5285-5310` (AD-66's safety block). In a 5,000-line file this matters.
-
-### F6 — informational. A foreign untracked file appeared in the worktree mid-review and must not be committed
-
-`tests/AcDream.Runtime.Tests/Physics/ZzReviewTrajectoryDump.cs` (self-described
-"TEMPORARY reviewer probe (2026-08-06 AD-10 architecture review). Delete.",
-13 test attributes) was **not** present at the start of this review and
-appeared at 09:49 during it — a concurrent review session writing into the same
-worktree. It was compiled into the Release build and inflated the raw suite
-count by 12. It is not part of this change and must be deleted before merge.
-
----
-
-## 4. Bookkeeping audit
-
-**AD-10's retirement is earned by the code, not asserted.** Positive evidence:
-`SampleTerrainNormal` is absent from the freshly built `AcDream.Core.dll`
-image; the `terrainNormal` parameter is gone from both `ComposeOffset` and
-`ComputeOffset`; both `RuntimeRemotePhysicsUpdater` fork branches are cleared;
-the two Core tests are deleted; nothing but comments references the removed
-API. The row follows house style — `~~AD-10~~`, bold **RETIRED 2026-08-06 by
-deletion**, past tense, evidence inline, `—` in the justification/risk columns,
-retail anchor retained and corrected — matching the ~~AD-6~~ / ~~AD-11~~
-precedent. Removing the parameter rather than defaulting it to `null` is the
-right call and does make a one-site regression a compile error.
-
-Three stale claims in the old row are recorded rather than dropped
-(the false "remotes don't run the sweep" justification, the
-"interpolation-active" mis-description of `if (!interpolationOverwrote`, and the
-roof clause dead since Bug B gated on `OnWalkable`). All three check out
-against the code.
-
-**AD-65 and AD-66 are honestly scoped.** AD-65 explicitly says "Not justified —
-this is an unexamined substitution, not a decision", and explains why it is
-filed rather than fixed (it changes local-player feel and needs its own visual
-gate; folding it into a remote-movement change would put a local-player
-regression behind the wrong acceptance test). That reasoning is correct.
-AD-66 is scrupulous in the other direction: "Filed to make the deviation
-auditable, not to assert it is wrong", and it names the failure mode in both
-directions. Neither row claims more than the disassembly supports — except for
-F1's numbers.
-
-**AD-65 is correctly recorded as a lead, not a diagnosis**, in bold, with
-"nothing here establishes causation" and "#269 still needs its live cdb A/B".
-It does **not** overreach into the exonerated area: it states explicitly that
-"#269's friction and jump chains are byte-exonerated and must not be
-re-audited; `adjust_offset` is a different function and is not covered by that
-do-not-retry". That is the correct boundary — `adjust_offset` was never part of
-the friction/jump byte-verification — and the row draws it itself rather than
-leaving a future reader to.
-
-**The #32 corrections are accurate.** Both edited paragraphs were checked
-against the code:
-
-- The "even a corrected `OnWalkable` would need a real contact-plane-derived
- slide" paragraph is correctly marked superseded with an inverted premise —
- remotes do run the sweep, and on a steep roof `bodyOnWalkableAtTickStart` was
- false anyway, so the deleted sample never ran on #32's geometry and the roof
- slide was already contact-plane driven.
-- The dependency paragraph is correctly struck and replaced with "discharged
- rather than merely gated".
-- **The "does not fix #32, and does not partially fix it" claim holds**, and
- the commit message states it in exactly those words. #32's remote half closed
- at `204d0ae0`; nothing here touches the local-player edge-slide or the three
- recorded gaps. The genuine improvement claimed — a remote on a walkable
- *non-terrain* surface now gets its own committed contact plane rather than
- the plane of the ground far below — follows directly from
- `SampleTerrainWalkable` being XY-only, and is correctly described as a case
- #32 never covered rather than as progress on #32.
-
-**#331 and #332 are honest filings.** #331 records a probe result that
-*invalidated a test that had passed*, states severity UNKNOWN on purpose,
-lists five ruled-out hypotheses with the probe evidence for each, and names the
-single comparison that decides severity. #332 is scoped as an observation with
-an instantiation census rather than an inference, and records the reasoning
-trap (assembly placement ≠ reachability) that would otherwise have produced a
-vacuous headless gate. Both explicitly disclaim causation by AD-10, correctly.
-
-**Test-count reconciliation reproduces exactly.** Raw full-suite result on the
-clean Release build was 11,208 passed / 4 skipped / 0 failed; the foreign probe
-file (F6) contributes 12 executed tests
-(`--filter FullyQualifiedName!~ZzReviewTrajectoryDump` → Runtime 1,232 → 1,220).
-**11,208 − 12 = 11,196 passed / 4 skipped / 0 failed**, matching `886333a2`'s
-claim to the test. The `+3 Runtime / −2 Core` arithmetic is structurally
-verified too: `RuntimeRemoteSlopeProjectionTests` carries exactly three
-`[Fact]`s and the diff deletes exactly two Core tests.
-
-**Test honesty.** `RuntimeRemoteSlopeProjectionTests` states in its own doc
-comment that short-circuiting `Transition.AdjustOffset` leaves it GREEN,
-names the reason (`ValidateWalkable`'s push-out re-seats the sphere every
-sub-step), and forbids citing itself as a unit test of `adjust_offset`. The
-anti-vacuity guard (`dz < -1.0 m`) and the per-tick rather than start/end
-assertion are both the right shape. Expected values come from the fixture's own
-`TerrainSurface.SampleZ`, i.e. from geometry, not from a re-implementation of
-the projection formula — the weakness the two deleted Core tests had.
-
----
-
-## 5. What was checked, so the PASS is auditable
-
-- PDB/EXE pairing (`check_exe_pdb.py` → MATCH) before any address work.
-- Full disassembly of `CTransition::adjust_offset` `0x0050a370-0x0050a6c7`,
- arm by arm, against `TransitionTypes.cs:5180-5322` line by line.
-- All four x87 condition-code tests decoded from `fnstsw`/`test ah` semantics.
-- `Plane::snap_to_plane` `0x00509c50` and
- `Vector3::normalize_check_small` `0x00452460` disassembled in full.
-- Four float/double constants read as raw bytes from `.rdata`.
-- Whole-`.text` `E8 rel32` scan for callers of `set_contact_plane`
- (9 producers) and of `adjust_offset` (2 call sites), symbolised against
- `symbols.json`.
-- `CPhysicsObj::UpdatePositionInternal` `0x00512C30` read end to end to confirm
- retail has no pre-sweep projection.
-- All pc: anchors checked by line number in
- `named-retail/acclient_2013_pseudo_c.txt`, including the old truncated one.
-- ACE cross-check (`Transition.cs`, `PlaneExtensions.cs`) on both divergences.
-- `RemoteMotionCombiner`, `RuntimeRemotePhysicsUpdater`,
- `PhysicsEngine.SampleTerrainWalkable`, `RemoteRampHarness`,
- `RuntimeRemoteSlopeProjectionTests` read in full.
-- Orphan/residue greps for `ComputeOffset`, `SampleTerrainNormal`,
- `terrainNormal`.
-- 44 `bin`/`obj` directories deleted; clean Release build (0 errors); full
- suite (0 failures); staleness disproved by byte-searching the built DLLs.
-
-**No third retail divergence was found in `AdjustOffset`, no mis-cited address
-was found, and no claim in the four commits was found to be unsupported by the
-binary — apart from AD-65's two percentage figures (F1).**
diff --git a/docs/research/2026-08-06-ap152-contract.md b/docs/research/2026-08-06-ap152-contract.md
deleted file mode 100644
index 01e3dae7..00000000
--- a/docs/research/2026-08-06-ap152-contract.md
+++ /dev/null
@@ -1,1057 +0,0 @@
-# AP-152 contract — additive vs exclusive collision-shape emission
-
-**Status:** authored 2026-08-06, planning only. No production or test code
-written; no commit made. The only file this session wrote inside the repo is
-this one.
-**Worktree:** `.claude/worktrees/resume-session-e0bd03e1-d5bf45`,
-branch `claude/resume-session-e0bd03e1-d5bf45`, base HEAD `0d62a5ff`
-(identical to `main`).
-**Register row:** AP-152, `docs/architecture/retail-divergence-register.md:183`.
-**Predecessor:** `docs/research/2026-08-06-ap22-contract.md` (§11.3 is where
-this row was spun off).
-
----
-
-## 1. Verdict
-
-Retail's exclusivity is real and I re-verified every instruction of it
-independently (§2). acdream's live shape list really is additive (§3).
-**The 172-Setup figure is exactly right** — re-derived here from three
-independent decoders (§4).
-
-**But the register row's stated risk does not currently occur, and the reason
-is a mechanism the row does not mention at all.**
-
-acdream already implements retail's exclusive dispatch — at **collision-query
-time**, not at build time. `Transition.BspOnlyDispatch(obj.State)`
-(`TransitionTypes.cs:1348`, landed 2026-05-25 as "A6.P7") skips **both** the
-Cylinder branch (`:3954`) and the Sphere branch (`:3911`) whenever the target
-entity's `PhysicsState` carries `HAS_PHYSICS_BSP_PS` (0x10000). And ACE sets
-that bit on every affected object: `WorldObject_Networking.cs:665-668` derives
-it from `CSetup.HasPhysicsBSP`, the DAT-authored `SetupFlags.HasPhysicsBSP`
-bit — which my sweep proves agrees with the per-part derived predicate on
-**all 5,935 installed Setups, zero disagreements** (§4.2).
-
-So on the live path, against ACE, **the extra primitive is never tested**.
-"Catching or stopping on a doorway sill" is not a symptom that can be
-occurring. The row's risk statement describes a defect that the A6.P7 guard
-already closed fourteen months of commits ago.
-
-What the additive list **does** still change is **cell membership**. The shape
-list is the input to `ShadowObjectRegistry.BuildFloodSpheres`
-(`ShadowObjectRegistry.cs:606`), which has *no* `BspOnlyDispatch` guard and
-which **prefers Cylinders over everything else whenever any Cylinder is
-present**. Retail's `CPhysicsObj::calc_cross_cells` @`0x00515230` dispatches on
-the *same* `HAS_PHYSICS_BSP_PS` flag *first* and routes a BSP-bearing object to
-`CPhysicsObj::find_bbox_cell_list` @`0x00510fc0` — never to the cylspheres
-(§2.3, byte-verified). So for the **73 CylSphere+BSP** Setups acdream floods
-shadow cells from the wrong geometry today, and the fix corrects that as a side
-effect. This — not door blocking — is the real behavioural surface, and it is
-the `#98`/`#168` symptom class (an object present in the wrong set of shadow
-cells).
-
-**The fix is still worth doing and is still small.** It removes a false shape
-list, it makes the live path agree with the two static paths, it corrects the
-flood source for 73 Setups, and it makes the behaviour independent of what ACE
-chooses to put in `PhysicsState` — which is the deeper divergence (§11.6) and
-which acdream is currently relying on without saying so anywhere.
-
-Eleven claims found false or stale at HEAD are in §11. Four of them are in the
-AP-152 row itself.
-
----
-
-## 2. What retail does — re-verified from the binary
-
-Binary: `C:\Users\erikn\Downloads\acclient.exe`, v11.4186, linker UTC
-2013-09-06T00:17:56, CodeView GUID `9e847e2f-777c-4bd9-886c-22256bb87f32`.
-`py tools/pdb-extract/check_exe_pdb.py` →
-`=== MATCH: this exe pairs with our acclient.pdb ===`. Image base `0x00400000`.
-
-Every address below was disassembled from that binary this session with a
-from-scratch capstone script, **and** resolved back to a name through
-`docs/research/named-retail/symbols.json` by exact address. The name/address
-pairs are not inherited from AP-22:
-
-| Address | PDB name (exact hit) |
-|---|---|
-| `0x0050f050` | `CPhysicsObj::FindObjCollisions` |
-| `0x00518180` | `CPartArray::FindObjCollisions` |
-| `0x0050d8d0` | `CPhysicsPart::find_obj_collisions` |
-| `0x00518060` / `0x00518070` | `CPartArray::GetNumSphere` / `GetSphere` |
-| `0x00518080` / `0x00518090` | `CPartArray::GetNumCylsphere` / `GetCylsphere` |
-| `0x005180a0` / `0x005180b0` | `CPartArray::GetRadius` / `GetHeight` |
-| `0x0050f570` | `CPhysicsObj::CacheHasPhysicsBSP` |
-| `0x00518110` | `CPartArray::CacheHasPhysicsBSP` |
-| `0x00515230` | `CPhysicsObj::calc_cross_cells` |
-| `0x00510fc0` | `CPhysicsObj::find_bbox_cell_list` |
-| `0x0052b9f0` / `0x0052b990` | `CObjCell::find_cell_list` |
-| `0x00518b00` | `CPartArray::GetSortingSphere` |
-| `0x0050ceb0` | `OBJECTINFO::missile_ignore` |
-
-`HAS_PHYSICS_BSP_PS = 0x10000` is `acclient.h:2833`, in `enum PhysicsState`.
-
-### 2.1 The collision dispatch is a four-way exclusive choice
-
-`CPhysicsObj::FindObjCollisions` @ `0x0050f050`. `edi` is the result, seeded
-`OK_TS` at `0x0050f13b mov edi, 1`.
-
-```
-0050f165 f786a800000000000100 test dword ptr [esi + 0xa8], 0x10000 ; this->state & HAS_PHYSICS_BSP_PS
-0050f16f 7431 je 0x50f1a2 ; clear -> primitive dispatch
-0050f171 85ed test ebp, ebp
-0050f173 752d jne 0x50f1a2 ; pass-through predicate -> primitive dispatch
-0050f178 e833ddffff call 0x50ceb0 ; OBJECTINFO::missile_ignore
-0050f17f 7521 jne 0x50f1a2
-0050f181 8b4e10 mov ecx, dword ptr [esi + 0x10] ; this->part_array
-0050f186 0f848f010000 je 0x50f31b ; null -> epilogue, return OK_TS
-0050f18d e8ee8f0000 call 0x518180 ; CPartArray::FindObjCollisions (per-part BSP walk)
-0050f194 83ff01 cmp edi, 1
-0050f197 0f847e010000 je 0x50f31b ; OK -> return
-0050f19d e90e010000 jmp 0x50f2b0 ; UNCONDITIONAL — past BOTH primitive loops
-```
-
-`0x0050f19d` is an unconditional `jmp` to `0x50f2b0`. The CylSphere loop begins
-at `0x50f1a2` and the Sphere loop at `0x50f21d`; both are below the target.
-**The BSP branch cannot reach either primitive branch — not "prefers", cannot.**
-
-CylSphere branch, `0x50f1a2`:
-
-```
-0050f1a7 je 0x50f21d ; null part array -> Sphere path
-0050f1a9 call 0x518080 ; GetNumCylsphere
-0050f1b0 je 0x50f21d ; zero cylspheres -> Sphere path
-0050f1c9 je 0x50f317 ; loop guard -> 0x50f31b RETURN
-0050f1d6 jae 0x50f317 ; loop exhausted -> 0x50f31b RETURN
-```
-
-A CylSphere-bearing object that survives its loop **returns**; it never falls
-into the Sphere loop. Sphere branch, `0x50f21d`:
-
-```
-0050f222 je 0x50f31b ; null part array -> RETURN OK_TS
-0050f228 call 0x518060 ; GetNumSphere
-0050f22f je 0x50f31b ; zero spheres -> RETURN OK_TS
-```
-
-**Priority order, decided top-down: BSP → CylSphere → Sphere → nothing.**
-When a Setup carries both a primitive and a physics-BSP part, **the BSP wins**.
-That is the answer to "which shape wins", and it is decided by a single
-`test`/`je` pair at the top of the function, before any primitive is read.
-
-`ebp` is a whole-object pass-through predicate computed at `0x0050f0cf-0x0050f134`
-(weenie present, two virtual calls, `[transition->object_info.state]` bits `0x100`,
-`0x80`, `0x800`, `0x10`). It is tested identically in all three branches — set,
-the object collides with nothing at all. It does not change which shape wins.
-
-### 2.2 A part has no primitive of its own — re-confirmed
-
-`CPhysicsPart::find_obj_collisions` @ `0x0050d8d0`, whole body:
-
-```
-0050d8d3 mov ecx, [esi+0x20] ; this->gfxobj
-0050d8d6 mov ecx, [ecx]
-0050d8da mov eax, 1 ; OK_TS
-0050d8df je 0x50d90d ; null gfxobj -> return OK
-0050d8e1 mov edx, [ecx+0x78] ; gfxobj->physics_bsp
-0050d8e6 je 0x50d90d ; null bsp -> return OK
-0050d8f8 call 0x50c9d0 ; cache localspace sphere
-0050d907 call 0x534700 ; CGfxObj::find_obj_collisions
-```
-
-No CylSphere test, no Sphere test. And there cannot be one: the four
-accessors are one-liners that dereference `CPartArray::setup` at `+0x54`:
-
-```
-00518060 mov eax,[ecx+0x54] ; mov eax,[eax+0x50] ; setup->num_sphere
-00518070 mov eax,[ecx+0x54] ; mov eax,[eax+0x54] ; setup->sphere
-00518080 mov eax,[ecx+0x54] ; mov eax,[eax+0x48] ; setup->num_cylsphere
-00518090 mov eax,[ecx+0x54] ; mov eax,[eax+0x4c] ; setup->cylsphere
-```
-
-Those offsets reconcile exactly with `acclient.h`'s `CSetup`
-(`num_cylsphere` 0x48, `cylsphere` 0x4c, `num_sphere` 0x50, `sphere` 0x54,
-`height` 0x60, `radius` 0x64 — and `GetHeight`/`GetRadius` read `[eax+0x60]` /
-`[eax+0x64]`). **CylSpheres and Spheres are Setup-level arrays. Parts have
-none.** `CPartArray::FindObjCollisions` @`0x518180` is a bare
-`for i in 0..num_parts: if (parts[i]) CPhysicsPart::find_obj_collisions(...)`
-loop with an early exit on `!= 1`.
-
-### 2.3 Cell membership dispatches on the SAME flag, and also exclusively
-
-This is the part the register row does not have, and it is where the fix
-actually bites. `CPhysicsObj::calc_cross_cells` @ `0x00515230`:
-
-```
-00515285 f786a800000000000100 test dword ptr [esi+0xa8], 0x10000
-0051528f 7574 jne 0x515305 ; BSP-bearing
-00515291 8b4e10 mov ecx,[esi+0x10]
-00515296 7444 je 0x5152dc ; null part array -> sorting sphere
-00515298 e8e32d0000 call 0x518080 ; GetNumCylsphere
-0051529f 743b je 0x5152dc ; zero -> sorting sphere
-005152d1 e81a670100 call 0x52b9f0 ; CObjCell::find_cell_list (cylsphere array)
-005152da eb35 jmp 0x515311
-005152dc ... call 0x518b00 ; CPartArray::GetSortingSphere
-005152fb e890660100 call 0x52b990 ; CObjCell::find_cell_list (sorting sphere)
-00515305 8bce / e8afbcffff call 0x510fc0 ; CPhysicsObj::find_bbox_cell_list
-```
-
-**Retail's flood priority is BSP-bbox → cylspheres → sorting sphere.** A door
-with both a CylSphere and a physics BSP floods from the BSP bounding box; its
-CylSphere is never consulted for membership either.
-
-acdream's `BuildFloodSpheres` (`ShadowObjectRegistry.cs:606-635`) does the
-opposite: `if (anyCyl) use only the Cylinders`, else use every shape's centre
-and radius, capped at 10. So today, for the 73 CylSphere+BSP Setups, acdream
-floods from the cylinders where retail floods from the BSP bbox. Removing the
-cylinders from the shape list flips that to "all BSP shapes' bounding spheres"
-— still an approximation of a bbox, but the right geometry.
-
-### 2.4 The dispatch flag is CLIENT-derived, and cached exactly once
-
-`CPartArray::CacheHasPhysicsBSP` @ `0x00518110` walks `num_parts` /`parts`,
-reads `part->gfxobj[0]->physics_bsp` (`[esi+0x78]`), and on the first non-null
-does `or [ecx], 0x10000` on `CPartArray::pa_state` (offset 0, per `acclient.h`),
-returning 1; otherwise `and [ecx], 0xfffeffff`, returning 0.
-`CPhysicsObj::CacheHasPhysicsBSP` @ `0x0050f570` mirrors the result onto
-`CPhysicsObj::state` at `+0xa8`.
-
-**A full `.text` scan for direct `call`/`jmp` to `0x0050f570` finds exactly one
-caller: `CPhysicsObj::InitPartArrayObject+0x7e` (`0x0051272e`).** The flag is
-computed once at part-array construction and never recomputed — notably not
-after a part swap. The per-part guard in §2.2 stays live, so retail's
-*per-part* test tracks a swapped GfxObj while its *dispatch flag* does not.
-See trap 7.
-
----
-
-## 3. The divergence at HEAD, by symbol
-
-All line numbers read at `0d62a5ff` this session, not inherited.
-
-### 3.1 The live path — additive
-
-`src/AcDream.Core/Physics/ShadowShapeBuilder.cs`, `FromSetup`:
-
-| Step | Lines | Gate |
-|---|---|---|
-| 1 — CylSpheres → `Cylinder` shapes | `:85-97` | `cyl.Radius > 0f` only |
-| 2 — Spheres → `Sphere` shapes | `:103-117` | `setup.CylSpheres.Count == 0` |
-| 3 — per-part physics BSP → `BSP` shapes | `:123-155` | `hasPhysicsBsp(effectiveId)` per part, **unconditional w.r.t. steps 1/2** |
-
-Step 2's gate is correct (it mirrors `0x50f1b0`). Step 3 has no gate against
-steps 1/2, and steps 1/2 have no gate against step 3. That is the whole
-divergence.
-
-`FromSetup` has exactly **one** production caller:
-`src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs:126`. Its `Build`
-substitutes the real BSP bounding radius (`:135-139`) and returns null on an
-empty list (`:146`). Two entry points reach it:
-`DatLiveEntityProjectionMaterializer.cs:832` (spawn) and
-`LiveEntityAppearanceBinding.cs:118` → `ReconcileAppearance` (ObjDesc swap).
-
-The class doc at `ShadowShapeBuilder.cs:38-45` **already carries a
-`KNOWN DIVERGENCE (AP-152)` paragraph** — the AP-22 commit added it while
-correcting the false retail anchor. Nothing in the class doc needs re-deriving;
-it needs deleting when the divergence goes.
-
-### 3.2 The static paths — exclusive, but not by the same mechanism
-
-| Path | File | Exclusivity gate | BSP source |
-|---|---|---|---|
-| streaming statics (graphical) | `LandblockPhysicsPublisher.cs` | `if (setup is not null && entityBspCount == 0)` at `:984` | `FromLandblockBspParts(entity.MeshRefs, …)` at `:951` |
-| prepared-content statics (headless) | `LandblockPhysicsContentBuilder.cs` | `bspOwners++; continue;` at `:631-632` | `FromLandblockBspParts(entity.MeshRefs, …)` at `:612` |
-
-Both are genuinely exclusive, so the row's claim holds. But the row's framing
-("the same object registers a different shape set depending on how it
-arrived") stays true **even after this fix**, for two reasons it does not
-mention:
-
-1. The static paths derive "has BSP" from **`entity.MeshRefs`**, the render
- mesh pipeline's per-part list; the live path derives it from
- **`setup.Parts` + the effective post-`AnimPartChanged` identities**. Those
- are different sources and can disagree.
-2. The static paths emit a Setup **Sphere as a `Cylinder`**
- (`LandblockPhysicsPublisher.cs:1030-1037`,
- `LandblockPhysicsContentBuilder.cs:683-690`: radius = sphere radius,
- `CylHeight = radius * 2f`, origin shifted down by one radius). The live path
- emits a true `ShadowCollisionType.Sphere`. `ShadowCollisionType.Sphere` is
- produced at exactly one site in `src/` — `ShadowShapeBuilder.cs:113`.
- Retail tests a Setup Sphere with `CSphere::intersects_sphere` @`0x537fd0` in
- both cases. This is an unregistered divergence; see §12.3.
-
-### 3.3 The query-time gate that makes the divergence inert today
-
-`src/AcDream.Core/Physics/TransitionTypes.cs`:
-
-```
-:1348 public static bool BspOnlyDispatch(uint entityState)
-:1349 => (entityState & (uint)PhysicsStateFlags.HasPhysicsBsp) != 0;
-:3911 Sphere branch: if (BspOnlyDispatch(obj.State)) { …[sph-skip-bsp]…; continue; }
-:3954 Cylinder branch: if (BspOnlyDispatch(obj.State)) { …[cyl-skip-bsp]…; continue; }
-```
-
-`obj.State` is `ShadowEntry.State`, written by
-`ShadowObjectRegistry.RegisterMultiPart(…, state, …)` (`:486`), which for the
-live path is `(uint)exactRecord.FinalPhysicsState`
-(`LiveEntityCollisionBuilder.cs:161`) — the canonical **wire** PhysicsState
-from `CreateObject`/`SetState`. **acdream never ORs `HasPhysicsBsp` in
-client-side**: a repo-wide grep for `PhysicsStateFlags.HasPhysicsBsp` in `src/`
-returns exactly two hits, `TransitionTypes.cs:1349` (this predicate) and
-`PhysicsEngine.cs:1613` (the **mover's** state selecting a shadow-commit
-action — unrelated).
-
-ACE supplies the bit: `references/ACE/Source/ACE.Server/WorldObjects/
-WorldObject_Networking.cs:665-668` —
-
-```csharp
-////HasPhysicsBSP = 0x00010000,
-if (CSetup.HasPhysicsBSP)
- physicsState |= PhysicsState.HasPhysicsBSP;
-else
- physicsState &= ~PhysicsState.HasPhysicsBSP;
-```
-
-`CSetup.HasPhysicsBSP` is `SetupFlags.HasPhysicsBSP` (0x8) straight from the
-DAT (`ACE.DatLoader/FileTypes/SetupModel.cs:53`). It **overrides** the weenie's
-authored `PhysicsState`, which is why the 2018 weenie dump showing
-`PhysicsState = 0x8` for the cottage door (wcid 412) does not contradict our
-own live capture of `0x10008`
-(`DoorBugTrajectoryReplayTests.cs:997`, `DoorClosedState`).
-
-And §4.2 shows `SetupFlags.HasPhysicsBSP` agrees with the derived per-part
-predicate on 5,935 / 5,935 Setups. **Therefore every one of the 172 affected
-Setups arrives from ACE with 0x10000 set, and its extra primitive is skipped at
-query time.** Landblock statics register `state: 0u`, so the guard never fires
-for them — but their build paths are already exclusive, so there is nothing to
-skip.
-
-`BuildFloodSpheres` has no such guard. That is the gap.
-
----
-
-## 4. The 172 figure — independently re-derived
-
-### 4.1 Method
-
-A throwaway .NET 10 console project written this session **outside the repo**
-(`/Ap152Sweep/`), referencing `Chorizite.DatReaderWriter 2.1.7` —
-the same package `AcDream.Core` consumes — and enumerating the user's installed
-`%USERPROFILE%\Documents\Asheron's Call\client_portal.dat` via
-`DatCollection.GetAllIdsOfType()` / `()`. It reproduces
-`ShadowShapeBuilder.FromSetup`'s three steps literally (including the
-`Radius > 0f` filters and step 2's `CylSpheres.Count == 0` gate). Built clean
-from an empty `obj/`; no repo assembly is involved, so no stale-DLL risk.
-
-Not a raw byte parser: I deliberately used the production decoder rather than
-re-deriving AP-22's hand-rolled layout, so this is a genuinely different
-instrument from the four that produced AP-22's number.
-
-### 4.2 Three decoders, one answer
-
-| Predicate for "this part has a physics BSP" | Affected Setups |
-|---|---|
-| acdream production (`Flags.HasPhysics && PhysicsBSP.Root != null && VertexArray != null`, per `FlatCollisionAssetBuilder.cs:377-380`) | **172** |
-| retail (`gfxobj->physics_bsp != 0`, i.e. `PhysicsBSP.Root != null`) | **172** |
-| DAT-authored `SetupFlags.HasPhysicsBSP` (0x8) at Setup level | **530 Setups carry it; 0 disagreements with the derived predicate across all 5,935** |
-
-GfxObj side: 15,318 GfxObjs; 1,258 carry `Flags.HasPhysics`; of those, **0**
-have a null `PhysicsBSP.Root` and **0** have a null `VertexArray` — which is
-why acdream's stricter predicate and retail's coincide exactly.
-
-`SetupFlags.HasPhysicsBSP = 0x8` was confirmed against the binary, not taken
-from the enum name: `CSetup::UnPack` @`0x00520c50` reads the flags dword and
-does `movzx edx, bl; shr edx, 3; and edx, 1; mov [edi+0x28], edx`, where `edi`
-is the `PackObj` sub-object at `CSetup+0x30`, so `[edi+0x28]` is `CSetup+0x58`
-= `has_physics_bsp` in `acclient.h`. (`[edi+0x2c]` = `+0x5c` =
-`allow_free_heading` = bit 2.)
-
-### 4.3 Full distribution (5,935 Setups)
-
-| Bucket | Count |
-|---|---|
-| step 1/2 emits ≥1 primitive | 4,283 |
-| step 3 emits ≥1 BSP part shape | 530 |
-| **both — AFFECTED** | **172** (73 CylSphere+BSP, 99 Sphere+BSP) |
-| BSP only | 358 |
-| primitive only | 4,111 |
-| neither (no registration at all) | 1,294 |
-| ≥1 CylSphere (any radius) | 678 — none with all radii ≤ 0 |
-| 0 CylSpheres, ≥1 Sphere | 3,605 — none with all radii ≤ 0 |
-
-These reconcile with the corrected AP-22 record: 1,294 + 358 = **1,652
-no-primitive Setups**, the figure the AP-22 architecture review substituted for
-the row's original 1,294.
-
-Spot-check against production tooling: `dotnet run --project tools/SetupInspect
--- 0x020019FF` reports 1 Sphere `radius=0.1`, origin `(0,0,0.018)`, 3 parts,
-part[0] `0x010044B5` `flags=0x0000000B physicsBsp=present`, parts[1..2]
-`0x010044B6` `physicsBsp=none`. The sweep says the same: `sph=1 bsp=1 parts=3
-primRadius 0.1000`.
-
-### 4.4 What the 172 actually are
-
-Cross-referenced against `references/weenies(single file).json` (the 2018 ACE
-weenie dump) by `didStats key 1 = Setup`:
-
-- **98 of 172** are referenced by ≥1 ACE weenie. This is a **lower bound**, not
- a partition — Setup `0x020019FF` is referenced by **zero** weenies in that
- dump, yet our own live capture at `DoorBugTrajectoryReplayTests.cs:997`
- records `live: spawn … name=Door setup=0x020019FF`. Treat the 2018 dump as a
- characteriser, never as a reachability proof.
-- **22 Setups are used by 151 `Door` weenies**, including `0x0200027C`
- ("Witshire's Cottage Door", 21 weenies), the sliding-door family
- `0x02000310`–`0x02000313`, `0x020005DA` / `0x020005F1` / `0x020005F2`,
- `0x020009A9` ("Lyceum Gates", "Vault Door"), `0x020011C5` ("Armory Door"),
- `0x020010A8` ("Watcher's Wall"). Their primitive radii run 0.10 m – 1.31 m,
- median 0.40 m.
-- **38 Setups are used by `Creature`-typed weenies — and every one is a
- stationary prop**: Garbage Barrel, Magically Sealed Dais, Menhir, Sarcophagus,
- Mosswart Enchantment Idol, Abyssal Totem, Colosseum Arena, Boulder, Altar of
- the Black Crystal, Ancient Throne, Wall of Ice, Security Station, Rynthid
- Assessment Crystal, and a large set of Doors/Walls/Barriers. **No mobile
- monster and no humanoid is in the affected set.** The human Setup
- `0x02000001` is not affected — all 34 parts are `flags=0x0A`, no physics BSP —
- so player/creature body collision is untouched. The Facility Hub door
- `0x02000C9D` is also not affected (BSP parts, no primitives).
-- Remaining types: Generic 30 Setups, Hooker 7, Container 5, Chest 4, Switch 3,
- Portal 3, PressurePlate 2, HotSpot 2, Book 2, and one each of Gem, CraftTool,
- Caster, PKModifier, LScoreKeeper, GScoreGatherer.
-- Largest primitives: `0x02001741` CylSphere **r = 6.714 m** (h 1.476 m, one
- BSP part — a 10 × 10 m flat plate); `0x0200086E` Sphere **r = 5.842 m** at
- origin `(0.759, 0.165, 5.842)`, 7 parts. Neither appears in the weenie dump.
- Among weenie-referenced Setups the max is 2.000 m (`0x02001761`, "Boulder").
-- Total shapes per affected Setup never exceeds 10, so the fix cannot interact
- with `BuildFloodSpheres`'s `RetailSphereCap = 10`.
-
----
-
-## 5. The exact change, by symbol
-
-### 5.1 The one production edit
-
-`src/AcDream.Core/Physics/ShadowShapeBuilder.cs`, `FromSetup`.
-
-Insert a pre-pass before step 1 that answers "will step 3 emit anything?", and
-skip steps 1 and 2 when it will. Shape:
-
-```
-bool anyPhysicsBspPart = false;
-for (int i = 0; i < setup.Parts.Count; i++)
-{
- uint gfxId = ;
- if (hasPhysicsBsp(gfxId)) { anyPhysicsBspPart = true; break; }
-}
-if (!anyPhysicsBspPart) { ; ; }
-
-```
-
-Three properties this shape has that alternatives do not:
-
-- **BSP wins**, matching `0x0050f165`/`0x0050f16f` (§2.1). Getting this
- backwards would delete a door's slab collision and leave a 10 cm sphere.
-- **Emission order is preserved** (primitives, then BSP). Reordering to
- "return early with the BSP list" would change `shapes[0]`/`shapes[1]`
- indices that `Issue175HubDoorPoseInspectionTests` relies on, and would change
- the order `RegisterMultiPart` writes `ShadowEntry` rows into cells.
-- **The pre-pass uses the identical effective-id expression as step 3.** If it
- used `setup.Parts[i]` while step 3 uses `effectivePartGfxObjIds[i]`, an
- ObjDesc swap could make the gate and the emission disagree — the gate would
- suppress the primitives while step 3 emitted nothing, producing a shapeless
- registration and `Build` returning null. That is trap 1.
-- Zero allocation; `FromSetup` is a build-time path, not a per-resolve one, but
- the pre-pass adds nothing either way.
-
-No signature change. No caller change. `LiveEntityCollisionBuilder.Build`'s
-`shapes.Count == 0 && !retainEmptyPayload → return null` at `:146` already
-handles every new case.
-
-### 5.2 Comment / doc edits in the same commit
-
-- `ShadowShapeBuilder.cs:38-45` — delete the `KNOWN DIVERGENCE (AP-152)`
- paragraph; replace with one sentence recording that the emission is exclusive
- and why (BSP first, `0x0050f165` / `0x0050f16f` / `0x0050f19d`).
-- `ShadowShapeBuilder.cs:17-21` — the summary still says "Walks (1) … (2) …
- and (3) …", which reads as a union. Rewrite as the dispatch.
-- `ShadowShapeBuilder.cs:99-100` and `LandblockPhysicsContentBuilder.cs:695`
- both point at "`GameWindow.cs:6034`" for the landblock-static convention.
- `GameWindow.cs` is 1,622 lines. Dead citation; drop or repoint.
-- `tests/AcDream.Core.Tests/Physics/ShadowShapeBuilderShapeSourceTests.cs:51-55`
- carries a second false retail anchor: *"the outer loop in
- `CPartArray::FindObjCollisions` iterates all parts regardless of
- CylSpheres/Spheres. `ShadowShapeBuilder.FromSetup` mirrors this by emitting
- one BSP shape per part"*. The first clause is true; the second uses it to
- justify the union. Correct it, for the same reason AP-22 corrected the one in
- `ShadowShapeBuilder.cs`: a future reader re-derives the additive design from
- it otherwise.
-
-### 5.3 Do NOT touch
-
-- `Transition.BspOnlyDispatch` and its two call sites. After the fix it is
- redundant for live entities and inert for statics (`State == 0`), but retail
- genuinely dispatches at query time (§2.1) and the guard is the faithful
- modelling of that. Deleting it would also silently re-open the divergence for
- any future producer that builds an additive list. Leave it; note in the
- commit message that it is now belt-and-braces.
-- `BuildFloodSpheres` (`ShadowObjectRegistry.cs:606`). Its cylinder-preference
- is a *separate* divergence from `calc_cross_cells` (§2.3, §12.4). This fix
- changes its **input**, deliberately; changing its **logic** in the same commit
- would make the flood delta impossible to attribute.
-- Both static publishers. They are already exclusive. If a static test turns
- red, the diff is wrong — do not adjust the test.
-- `LiveEntityMotionRuntimeController.GetSetupCylinder` and every other
- `Setup.Radius`/`Height` consumer. AP-22 settled those.
-
----
-
-## 6. Blast radius across both hosts
-
-```
-AcDream.App -> AcDream.Runtime, AcDream.Content, AcDream.Core
-AcDream.Headless -> AcDream.Runtime, AcDream.Content (never AcDream.App)
-```
-
-| Path | Producer | Graphical | Headless |
-|---|---|---|---|
-| live server weenies | `LiveEntityCollisionBuilder.Build` → `ShadowShapeBuilder.FromSetup` | yes | **no — see below** |
-| landblock statics, streaming | `LandblockPhysicsPublisher.PublishStaticEntity` | yes | no |
-| landblock statics, prepared content | `LandblockPhysicsContentBuilder.PublishStaticCollision` | no | yes |
-
-**#330 is not merely adjacent; it bounds this fix's reach.** Issue #330
-(`docs/ISSUES.md:172`) states the headless host registers no live-entity
-collision at all. I re-verified its two premises at `0d62a5ff` rather than
-inheriting them:
-
-- `ShadowShapeBuilder.FromSetup` has exactly one production caller and it is in
- `AcDream.App` (`LiveEntityCollisionBuilder.cs:126`); a repo-wide grep returns
- no other `src/` hit.
-- The `LiveEntityCollisionBuilder` type is referenced only from `AcDream.App`
- (`Composition/ContentEffectsAudioComposition.cs`,
- `Rendering/DatLiveEntityProjectionMaterializer.cs`,
- `Rendering/LiveEntityAppearanceBinding.cs`, `Rendering/GameWindow.cs`,
- `Physics/LiveEntityPvpBitfieldSync.cs`) plus two doc-comment mentions in
- `AcDream.Runtime` and `AcDream.Content`.
-
-**Consequence for this fix: it is graphical-only.** Unlike AP-22 — which had
-three copies, one of them headless-only — AP-152 has exactly one production
-site and headless cannot execute it. The C5b lesson still applies in the
-opposite direction: run the headless suite and a headless connected route to
-prove the change did **not** reach it, rather than assuming it didn't.
-
-Do not "fix" #330 here. Do not let this fix's scope creep into giving Runtime
-ownership of live shape construction.
-
-`RuntimeRemotePhysicsUpdater` re-publishes an already-built shape list at a
-resolved pose; it constructs no shapes and is unaffected.
-
----
-
-## 7. Proof obligations
-
-| # | Obligation | Evidence |
-|---|---|---|
-| P1 | Retail's collision dispatch is exclusive and BSP-first | §2.1 disassembly reproduced in the commit message: `0x0050f165` / `0x0050f16f` / `0x0050f19d` / `0x0050f1d6` / `0x0050f22f` |
-| P2 | The affected population is 172 Setups | §7.1's installed-DAT test, run, with its bucket controls |
-| P3 | The extra primitive was already inert for collision, via `BspOnlyDispatch` + ACE's `CSetup.HasPhysicsBSP` | §3.3, plus the §8.2 connected diff showing zero collision-response change |
-| P4 | Cell membership changed only for affected owners, and only in the retail-correct direction | §8.2's flood-set diff, keyed by owner |
-| P5 | The gate is computed from the same effective identities step 3 uses | §7.3's fact, sabotage-verified |
-| P6 | The change did not reach headless | `AcDream.Headless.Tests` green **and** a headless connected route with identical static publication counts (§8.3) |
-| P7 | `FromSetup_DoorSetup_ProducesFourShapes` is corrected, not deleted, and the second test that pins the union is found too | §7.2 |
-| P8 | AP-152 is retired with the row's four false/stale claims explicitly corrected | register diff in the same commit; §11.1–11.4 |
-
----
-
-## 8. Gates
-
-### 8.1 Suites
-
-Clean build first — three stale-DLL incidents this session, one under
-`-t:Rebuild`. Delete `bin/` and `obj/` for the touched projects, then
-`dotnet build -c Release`.
-
-`AcDream.Core.Tests` (owns `ShadowShapeBuilder`), `AcDream.App.Tests`,
-`AcDream.Content.Tests`, `AcDream.Runtime.Tests`, **`AcDream.Headless.Tests`**,
-then the complete Release solution suite. Baseline recorded at the C5c closeout
-(`1304dafa`) is **11,196 passed / 4 skipped / 0 failed**; re-measure at
-`0d62a5ff` before the change so the delta is attributable, and expect it to
-move only by the facts §7 adds.
-
-### 8.2 Connected graphical route — positive evidence
-
-Absence of a crash proves nothing here; the whole point of §3.3 is that the
-obvious symptom was already suppressed. The criterion is a **keyed diff**, run
-twice on the same binary, once at `0d62a5ff` and once with the change, over the
-canonical nine-stop route (`tools/connected-world-lifecycle.route.txt` or
-`tools/connected-dense-town.route.txt`) with `ACDREAM_PROBE_BUILDING=1`:
-
-1. **Shape inventory must change only for affected owners.** The
- `[entity-source]` line (`LiveEntityCollisionBuilder.cs:200`) prints
- `shapes=cyl{n}+bsp{m}` per registration. Every `(entityId, src, cyl, bsp)`
- tuple whose `src` is **not** in the 172 must be byte-identical between runs;
- every tuple whose `src` **is** in the 172 must go from `cyl>0 && bsp>0` to
- `cyl0+bsp{m}` with the same `m`. Note the probe labels a `Sphere` shape as
- `bsp` (its `else` branch at `:197-198` counts everything non-Cylinder as
- BSP) — so for the 99 Sphere+BSP Setups the counter will show `cyl0+bspN`
- before **and** `cyl0+bsp(N-1)` after. Verify the count drop, not the label.
-2. **`[cyl-skip-bsp]` / `[sph-skip-bsp]` must go to zero.** Before the change
- these fire for exactly the affected live entities and are the direct
- observation that the query-time gate was carrying the divergence. After, no
- such shape exists to skip. A non-zero count after the fix means an affected
- Setup slipped the gate — investigate, do not adjust.
-3. **Flood-set diff, the load-bearing one.** For each affected owner, the set
- of shadow cells `RegisterMultiPart` produces (`_entityToCells`) will change
- for the 73 CylSphere+BSP Setups (flood source flips from cylinders to BSP
- bounding spheres) and may shrink by one contributing sphere for the 99
- Sphere+BSP ones. This is the only real behavioural delta and it must be
- *measured*, not assumed. The registry has no per-owner cell probe today;
- the cheapest honest instrument is a temporary probe line at
- `ShadowObjectRegistry.cs:498` printing `owner, cellSet.Count, sorted cellIds`
- under `ProbeBuildingEnabled`, run both routes, diff, then **delete the probe
- before committing**. Acceptance: no owner outside the 172 changes its cell
- set; every affected owner's new set is a superset-or-subset explainable by
- the geometry swap; no affected owner ends with an **empty** set (that would
- silently drop its collision — `RegisterMultiPart` returns early at `:465`).
-4. **Collision response unchanged.** Walk each of the affected door families
- reachable on the route, from at least two approach headings and two source
- cells. Blocking distance and slide direction must be indistinguishable —
- which §3.3 predicts, because the primitive was already skipped.
-
-### 8.3 Connected headless route
-
-Native Linux or WSL single-session run, four-stop portal route (the K1/K3
-gate). Positive criterion: per-landblock `bspOwners`/`setupOwners`/
-`noCollision` counts from `PublishStaticCollision` **identical** to a
-pre-change run, graceful ACE-confirmed logout, terminal ownership ledger at
-zero. This is a *negative-reach* proof (§6) and it needs the counts, not just a
-clean exit.
-
-### 8.4 User visual gate — narrow, and not about doorway feel
-
-Worth eyes, but a full matrix is not. Batch into a connected session and ask
-the user to look at exactly one thing: **stand next to, walk around, and walk
-through the doorway of two or three of the affected props from different
-landcells** — a cottage door (`0x0200027C`), a large one (`0x020010A8`
-"Watcher's Wall" — 3 CylSpheres up to 0.77 m plus 4 BSP shapes, the biggest
-live shape-list change on the list), and one big free-standing prop
-(`0x02001761` "Boulder", 2.00 m sphere + 1 BSP). The symptom to watch for is a
-**cell-membership** failure, not a feel change: the prop stops blocking when
-you approach it from one particular direction or from the neighbouring cell,
-while still blocking from another. That is the `#98`/`#168` signature and it is
-the only way this commit can break something.
-
-Do **not** ask for a general "does the door feel right" pass. §3.3 predicts no
-feel change, and asking for one spends the session's visual budget on a
-question the disassembly already answered.
-
----
-
-## 9. Test plan
-
-Design rule, unchanged from AP-22 and for the same reason: **state the sabotage
-that must redden each fact, and run it.** This campaign has shipped or caught
-**seven** green tests covering nothing; §11.5 makes it eight. Assume each fact
-below discriminates nothing until its sabotage proves otherwise.
-
-### 9.1 CORRECT — `ShadowShapeBuilderTests.FromSetup_DoorSetup_ProducesFourShapes`
-
-`tests/AcDream.Core.Tests/Physics/ShadowShapeBuilderTests.cs:50-72`. Its
-fixture `CreateDoorSetup()` is the real `0x020019FF` — 1 Sphere r=0.100 at
-`(0,0,0.018)`, 3 parts — and `hasBsp` returns true for both part ids, so it
-asserts `1 Sphere + 3 BSP = 4`.
-
-It must become `FromSetup_DoorSetup_EmitsBspPartsOnly`: **3 shapes, all
-`ShadowCollisionType.BSP`, zero Sphere shapes**, with a comment naming the
-retail anchor (`0x0050f165` test / `0x0050f16f je` / `0x0050f19d jmp`). Keep
-the fixture — it is real DAT data and it is the exact case the register row
-names.
-
-**Sabotage:** restore the additive emission (delete the pre-pass gate). This
-fact must redden. This is the one sabotage that directly re-proves the
-production change, so it must be run.
-
-### 9.2 CORRECT — the SECOND test the register row does not mention
-
-`ShadowShapeBuilderTests.FromSetup_DoorSetup_SphereAtExpectedLocalOffset`
-(`:74-90`) calls `FromSetup(setup, 1.0f, _ => true)` — every part BSP-bearing —
-and then asserts a `Sphere`-typed shape exists at `(0,0,0.018)` with r=0.100
-and `CylHeight == 0`. **Under the exclusive rule it returns no Sphere at all
-and this test fails.** The AP-152 row names only
-`FromSetup_DoorSetup_ProducesFourShapes`; this is the same "named one site
-where two existed" failure AP-22's row had.
-
-Do not delete it — its content (Setup Spheres emit true `Sphere`, not a
-height-capped Cylinder; local offset and radius pass through) is live and is
-the premise of the whole `CSphere` family port (`TransitionTypes.cs:4264`,
-`SphereCollisionFamilyTests`). Re-host it on `hasPhysicsBsp: _ => false`, which
-is the DAT-real configuration for the 3,605 Sphere-only Setups.
-
-**Sabotage:** change `ShadowShapeBuilder.cs:113` from
-`ShadowCollisionType.Sphere` to `Cylinder`. Must redden. If it does not, the
-re-host lost the coverage.
-
-### 9.3 NEW — the effective-identity gate fact
-
-Same class. A Setup with one CylSphere **and** one part, where
-`hasPhysicsBsp` is true only for a *replacement* id supplied through
-`effectivePartGfxObjIds`:
-
-- with the replacement supplied → **BSP only**, no Cylinder;
-- with `effectivePartGfxObjIds` null (so the gate sees the base id, for which
- `hasPhysicsBsp` is false) → **Cylinder only**, no BSP.
-
-This is the only fact that discriminates "the gate reads the same identities
-step 3 does" from "the gate reads `setup.Parts`".
-
-**Sabotage:** change the pre-pass to read `(uint)setup.Parts[i]` instead of the
-effective id. The first case must redden (it would emit Cylinder + BSP), and
-watch that the second stays green.
-
-### 9.4 NEW — App-layer registration fact
-
-`tests/AcDream.App.Tests/Physics/LiveEntityCollisionBuilderTests.cs`. **No
-existing App test combines a primitive and a BSP part** — I checked all
-fourteen facts in that file; every fixture is primitive-only or BSP-only. So
-today nothing at the App layer would catch this change either way.
-
-Add: a Setup with one CylSphere (r 0.4, h 1.2) *and* one part whose
-`hasPhysicsBsp` is true, built through `LiveEntityCollisionBuilder.Build` with
-`scale: 1.5f`, registers **exactly one shape**, `CollisionType == BSP`,
-`Radius == physicsBspRadius * scale` — i.e. the BSP radius substitution at
-`:135-139` still applies and no Cylinder survives.
-
-**Sabotage:** restore the additive emission. Must redden on `Assert.Single`.
-
-### 9.5 NEW — installed-DAT population fact
-
-Where the AP-22 commit put `InstalledSetupCollisionReachabilityTests`
-(`tests/AcDream.Content.Tests/`), beside it, same `ACDREAM_DAT_DIR` skip
-convention.
-
-Enumerate every Setup, apply `FromSetup`'s own three steps through the
-production decoder, and assert:
-
-- **(a)** exactly **172** Setups emit ≥1 primitive *and* ≥1 BSP part shape;
- 73 of them CylSphere-bearing, 99 Sphere-bearing.
-- **(b) positive controls, so (a) cannot pass vacuously:** 5,935 Setups
- enumerated; 4,283 emit ≥1 primitive; 530 emit ≥1 BSP part shape; 358 BSP-only;
- 1,294 emit nothing.
-- **(c)** the DAT-authored `SetupFlags.HasPhysicsBSP` agrees with the derived
- per-part predicate on all 5,935 — **0** disagreements. This is the fact that
- underwrites §3.3's "ACE always sends the bit", and it is the one that would
- silently rot if a future DAT patch changed the relationship.
-
-(b) is not decoration; it is why (a) discriminates. A broken enumerator, a
-wrong dat path, or a silently-empty flatten all satisfy (a) trivially. This is
-exactly the failure the atlas-tier seam commit was written to close, and
-exactly the failure the AP-22 architecture review found in the *other*
-direction (a coverage claim that sabotage disproved).
-
-**Sabotage (run both):** invert (a) to expect 0 — must fail on (a). Point the
-enumeration at an empty id set — must fail on **(b)** at `0 != 5935`, *not*
-pass (a).
-
-**Trap:** the numbers in (b) and (c) are external constants measured in §4.3.
-Write them as literals. Deriving them from the same predicate the assertion
-uses is a tautology.
-
-### 9.6 VERIFY, do not edit
-
-Predicted green; a red one is *information about the divergence*, not a test to
-adjust. If any of these reddens, stop and read the diff — it means the shape
-this contract says was inert was in fact carrying behaviour.
-
-| Test | Why it survives |
-|---|---|
-| `ShadowShapeBuilderTests.FromSetup_PartWithoutBsp_SkipsBspShape` (`:92`) | counts BSP shapes only; still 1 |
-| `…FromSetup_EffectivePartIdentitiesControlPhysicsBspSelection` (`:106`) | no primitives in fixture |
-| `…FromSetup_CreatureWithCylSpheres_OnlyEmitsCylinders` (`:126`) | `_ => false`, no BSP |
-| `…FromSetup_EmptySetup_ReturnsEmptyList`, `…NullSetup_Throws` | unchanged |
-| all four `ShadowShapeBuilderShapeSourceTests` | every fixture is primitive-only or BSP-only |
-| `Issue175HubDoorPoseInspectionTests` ×3 `FromSetup` facts | `MakeTwoPartSetup()` has no primitives; and the DAT Setup they load, `0x02000C9D`, is **not** in the affected 172 |
-| `DoorCollisionApparatusTests` (`:404`, real Setup `0x020019FF`) | its blocking assertions test the door **slab BSP**; the 10 cm sphere was already skipped at query time by `BspOnlyDispatch` — but this suite registers with `state = 0x10008`, so verify the state literal is still what makes that true |
-| `DoorBugTrajectoryReplayTests` (`:783`, `:895`, real `0x020019FF`) | same; `Assert.Contains(shapes, BSP)` still holds |
-| `LandblockPhysicsPublisherTests`, Content static tests | static paths untouched |
-| all 14 `LiveEntityCollisionBuilderTests` facts | every fixture is primitive-only or BSP-only |
-
-`DoorCollisionApparatusTests` and `DoorBugTrajectoryReplayTests` are the
-**discriminating behavioural evidence** for §3.3: they are the only tests in
-the tree that run a real affected Setup through a real resolve. Their staying
-green is the positive statement that the primitive was not doing the blocking.
-
----
-
-## 10. Traps
-
-1. **Deriving the gate from `setup.Parts` while step 3 derives from
- `effectivePartGfxObjIds`.** They can disagree after an ObjDesc swap, and the
- disagreement is silent: the gate suppresses the primitives, step 3 emits
- nothing, `Build` returns null, and the entity's collision disappears
- entirely. §9.3 is the only fact that catches it.
-2. **Getting the priority backwards.** BSP wins. A door that kept its 10 cm
- sphere and lost its slab would be walk-through — and would still be green on
- any test that only counts shapes.
-3. **Reordering the emission** by returning the BSP list early. Changes
- `shapes[0]`/`shapes[1]` indices in `Issue175HubDoorPoseInspectionTests` and
- the order `ShadowEntry` rows enter cells.
-4. **Believing this changes door blocking.** It does not (§3.3). Gating on
- "walk into a door and see if it feels different" produces a green gate that
- proves nothing, and would have proved nothing before the change either.
-5. **Missing the flood-set change.** It is the *only* behavioural delta, it is
- in a function with no `BspOnlyDispatch` guard, and nothing currently
- instruments it. §8.2 item 3 is the load-bearing gate.
-6. **Deleting `BspOnlyDispatch` as "now redundant".** It is retail's actual
- dispatch site and the guard against a future additive producer. §5.3.
-7. **Modelling retail's flag as live when it is cached once.**
- `CPhysicsObj::CacheHasPhysicsBSP` has exactly one caller,
- `InitPartArrayObject+0x7e`, so after an `AnimPartChanged` part swap retail's
- *dispatch flag* is stale while its *per-part* test is live (§2.4). acdream's
- gate will be live in both. The two disagree only when a swap adds or removes
- the last physics-BSP part; humanoid part swaps (clothing/armour) involve no
- physics-BSP GfxObjs on either side, so this is not reachable against ACE
- today. **Note it in the register; do not build state to model it.**
-8. **Trusting the Binary Ninja text for branch polarity.** BN renders the
- dispatch as `if ((state & 0x10000) == 0 || ebp_1 != 0 || eax_12 != 0)` with
- the *primitive* path in the `then`, and its `ebp_1` aliasing in this
- function is visibly corrupt. Cite the disassembly.
-9. **Treating the 2018 weenie dump as authoritative for reachability.**
- `0x020019FF` is in zero of its Setup didStats and is nevertheless a live
- ACE spawn in our own capture (§4.4).
-10. **Assuming "not in `AcDream.App`" means "not affected".** It is true here
- (§6) — which is exactly why it must be *proved* with the headless suite and
- a headless route rather than asserted, per C5b.
-
----
-
-## 11. Claims found false or stale at HEAD
-
-Numbered, as required. Each was checked against the binary, the DAT, or the
-source at `0d62a5ff` — none inherited.
-
-### 11.1 The AP-152 row's risk statement is **FALSE as written**
-
-> "172 … register a collision primitive retail never tests … Symptom class:
-> catching or stopping on a doorway sill, or a small non-retail obstacle at a
-> BSP prop's base."
-
-acdream **does not test it either**. `Transition.BspOnlyDispatch(obj.State)`
-skips both primitive branches (`TransitionTypes.cs:3911`, `:3954`) whenever the
-target's `PhysicsState` carries 0x10000, and ACE sets that bit from
-`CSetup.HasPhysicsBSP` for every affected Setup
-(`WorldObject_Networking.cs:665-668`; authored-vs-derived agreement 5,935/5,935,
-§4.2). The stated symptom cannot be occurring on the live path against ACE. The
-row's own retail-anchor column even cites the flag it fails to notice acdream
-is already keying on — and the guard's source comment
-(`TransitionTypes.cs:3936-3949`) names the exact door and the exact bug
-("stuck on door" phantom, `door-a6p6-v2.utf8.log`) that this row re-predicts as
-open.
-
-The true risk is **cell membership** (§2.3, §8.2 item 3), which is a different
-symptom class with a different gate.
-
-### 11.2 The row's mitigation "the affected primitives are small and centred at the part origin" is **FALSE**
-
-Neither half. Sizes: `0x02001741` CylSphere r = **6.714 m**, `0x0200086E`
-Sphere r = **5.842 m**, `0x02000D85` r = 5.576 m; median across the 172 is
-0.500 m and the weenie-reachable max is 2.000 m. Centring: `0x0200086E`'s
-sphere origin is `(0.759, 0.165, 5.842)`, nowhere near the part origin.
-
-### 11.3 The row's "cottage door 0x020019FF, whose ~14 cm base Sphere" is **WRONG about the number**
-
-The Sphere radius is **0.100 m**, origin `(0, 0, 0.018)`. `0.141` is
-`Setup.Radius` — a *different field*, and the one AP-22 had just finished
-proving is never collision geometry. Confirmed twice: `tools/SetupInspect --
-0x020019FF` prints `Radius/Height = 0.141 / 0.200` and separately
-`sphere[0] … radius=0.1 radiusBits=0x3DCCCCCD`; the sweep agrees. The row
-conflated the two on the same line as its `AP-22` neighbour. "Sits at the
-threshold" is right — 1.8 cm above the part origin.
-
-Also worth pinning for the register: **`0x020019FF` has `DefaultMotionTable =
-0x00000000`** and appears in zero weenies of the 2018 ACE dump, yet is a live
-ACE spawn in our own capture. Either statement alone would mislead.
-
-### 11.4 The row names one pinning test where there are **two** — **INCOMPLETE**
-
-It names `FromSetup_DoorSetup_ProducesFourShapes`. It omits
-`FromSetup_DoorSetup_SphereAtExpectedLocalOffset`
-(`ShadowShapeBuilderTests.cs:74`), which also fails under the exclusive rule
-(§9.2). This is structurally the same error AP-22's row made with its site
-list, one row earlier in the same file.
-
-### 11.5 `FromSetup_ScaleFactor_MultipliesAllRadiiAndOffsets` is a **green test covering nothing** — new instance
-
-`ShadowShapeBuilderTests.cs:150-166`. It runs `CreateDoorSetup()` (0 CylSpheres)
-through `FromSetup` and then asserts radii/offsets **inside**
-`if (s.CollisionType == ShadowCollisionType.Cylinder)`. That branch has been
-unreachable since Setup Spheres started emitting `ShadowCollisionType.Sphere`
-(the 2026-06-24 change noted at `:60`). The only assertion that executes is
-`Scale == 2.0f`. The test's name promises radius and offset scaling and pins
-neither. Eighth instance of the pattern this campaign. Out of scope to fix here
-— note it, or fold it into §9.2's re-host if it is free.
-
-### 11.6 The deeper divergence the row does not name: acdream takes a CLIENT-DERIVED flag from the WIRE
-
-Retail computes `HAS_PHYSICS_BSP_PS` itself, from its own part array, at
-`InitPartArrayObject` (§2.4). acdream reads it out of the server's
-`PhysicsState` (`LiveEntityCollisionBuilder.cs:161` →
-`ShadowEntry.State` → `BspOnlyDispatch`) and never derives it. It happens to be
-correct because ACE reads the same DAT bit — that is an undocumented dependency
-on a specific server implementation, in a subsystem whose whole premise is that
-the client decides. It is unregistered. §12.3 files it.
-
-This fix makes the *outcome* independent of the wire without touching the flag,
-which is why it is worth doing even though §11.1 shows the current symptom is
-inert.
-
-### 11.7 The static paths are exclusive but **not equivalent** — the row's "internally inconsistent" is understated
-
-Even after AP-152 is fixed the live and static paths still disagree, in two
-ways the row does not mention (§3.2): the static paths emit a Setup Sphere as a
-**Cylinder** with `CylHeight = radius * 2` and a base-shifted origin, and they
-derive "has BSP" from `entity.MeshRefs` rather than from `setup.Parts`.
-`ShadowCollisionType.Sphere` is produced at exactly one site in the whole of
-`src/`. Unregistered; §12.4 files it.
-
-### 11.8 `BuildFloodSpheres`'s cylinder preference contradicts `calc_cross_cells` — **unregistered**
-
-`ShadowObjectRegistry.cs:614-622` uses cylinders exclusively whenever any exist.
-Retail routes a BSP-bearing object to `find_bbox_cell_list` *before* looking at
-cylspheres (§2.3). For the 73 CylSphere+BSP Setups acdream floods from the
-wrong geometry today. This fix corrects it by accident (the cylinders stop
-existing); the general rule — BSP-bbox first — is still unimplemented, and
-acdream approximates a bbox with per-shape bounding spheres in any case.
-§12.4 files it.
-
-### 11.9 AP-22's contract §5 said headless "registers no live-entity collision at all" — **still true, and now load-bearing here**
-
-Re-verified independently (§6). Recorded because this fix's blast radius
-*depends* on it: AP-152 is graphical-only precisely because #330 is open.
-Closing #330 later will retroactively widen this fix's reach to headless bots,
-which is a reason to land the exclusivity rule now rather than after.
-
-### 11.10 The stale `GameWindow.cs:6034` citations
-
-`ShadowShapeBuilder.cs:19` and `:100`, and
-`LandblockPhysicsContentBuilder.cs:695`, cite a `GameWindow.cs` line number
-from before the eight-slice decomposition; the file is now 1,622 lines. Free to
-fix in this commit (§5.2).
-
-### 11.11 The register row's "must be rewritten when this is fixed" is right, and the row itself must go
-
-AP-152's row states the test must be rewritten. Confirmed (§9.1). Adding it
-here so the retirement text carries the corrected two-test list rather than
-repeating the row's single-test claim.
-
----
-
-## 12. Register edits
-
-### 12.1 Retire AP-152 in the implementing commit
-
-The retirement text must carry, or the record is wrong twice:
-
-- the byte-level anchor with the priority order stated
- (`0x0050f165` test / `0x0050f16f je` → primitives; `0x0050f19d jmp` past both;
- `0x0050f1d6 jae` → return; `0x0050f22f je` → return; **BSP wins**);
-- the corrected cottage-door number (**0.100 m** Sphere, not ~14 cm — the
- `0.141` is `Setup.Radius`);
-- the corrected mitigation (primitives run to **6.714 m**, not "small", and are
- not all origin-centred);
-- **the correction that the collision symptom was already suppressed** by
- `BspOnlyDispatch` + ACE's `CSetup.HasPhysicsBSP`, so the retirement is not a
- collision-behaviour change but a shape-list and **cell-membership** change;
-- the two corrected tests, not one;
-- the 172 figure with its three-decoder derivation and the 5,935/5,935
- authored-vs-derived agreement;
-- a pointer to this document.
-
-### 12.2 File — retail's dispatch flag is cached once; acdream's gate is live
-
-Narrow, unreachable against ACE today (trap 7), but it is a real modelling
-difference introduced by putting the gate in `FromSetup`, and it must be
-recorded in the same commit that introduces it. One row, with
-`CPhysicsObj::CacheHasPhysicsBSP` 0x0050f570 / single caller
-`InitPartArrayObject+0x7e` 0x0051272e as the anchor.
-
-### 12.3 File — `HAS_PHYSICS_BSP_PS` is taken from the wire, not derived
-
-§11.6. Anchor: `CPartArray::CacheHasPhysicsBSP` 0x00518110 (derives from the
-parts) vs `LiveEntityCollisionBuilder.cs:161` (copies
-`FinalPhysicsState`). Note ACE's `WorldObject_Networking.cs:665-668` as the
-reason it currently agrees, and that the agreement is not guaranteed by
-anything on our side.
-
-### 12.4 File — static-vs-live shape-source divergences
-
-§11.7 and §11.8, as one row or two:
-(a) static paths emit Setup Spheres as height-capped Cylinders with a shifted
-origin where retail and the live path use `CSphere::intersects_sphere`;
-(b) `BuildFloodSpheres` prefers cylinders where `calc_cross_cells` @0x00515230
-routes a BSP-bearing object to `find_bbox_cell_list` @0x00510fc0 first.
-(b) is partly retired by this fix for the 73 CylSphere+BSP Setups; the general
-rule is not.
-
-### 12.5 Check before filing
-
-Confirm none of 12.2–12.4 is already covered by an existing row or by #291.
-I grepped the register for `LandblockPhysicsPublisher` /
-`LandblockPhysicsContentBuilder` and found only the retired AD-6 and the AP-152
-and AP-22 rows themselves; no row covers the sphere-as-cylinder conversion or
-the flood-source rule.
-
----
-
-## 13. Size and split
-
-**Size: small.** One production method gains a ~6-line pre-pass. Two tests
-corrected, three added (one of them an installed-DAT sweep, ~70 lines), four
-comments fixed, one register row retired, up to three filed. **One commit.**
-
-**Split call: land AP-152 alone.**
-
-Do not bundle:
-
-- **#330** (headless live-entity collision). Larger, overlaps Slice-J ownership,
- and bundling would destroy this commit's "graphical-only, proven by the
- headless route" evidence.
-- **The wire-vs-derived flag (§12.3).** Changing `registration.State` touches
- every consumer of `FinalPhysicsState` — Hidden, Missile, ethereal layer-2,
- the `[setstate]` log. Separate slice, separate gate.
-- **The static-path sphere-as-cylinder conversion (§12.4a).** It changes static
- collision geometry on a much larger population and needs its own count.
-- **`BuildFloodSpheres` → `find_bbox_cell_list` parity (§12.4b).** Changing the
- flood *logic* in the same commit that changes its *input* makes the §8.2
- item-3 diff unattributable. That is the single strongest reason to keep this
- commit narrow.
-- **`FromSetup_ScaleFactor_MultipliesAllRadiiAndOffsets` (§11.5).** Free to fix
- if it falls out of §9.2; otherwise file it.
-
----
-
-## Appendix — reproducing the measurements
-
-**Disassembly.** A from-scratch capstone script over
-`C:\Users\erikn\Downloads\acclient.exe` (PE32, image base `0x00400000`, RVA→file
-offset via the section table), plus a `.text` scan for `E8`/`E9` relative
-targets to build the xref lists in §2.4. Symbol resolution by exact address
-against `docs/research/named-retail/symbols.json` (18,366 entries).
-
-**DAT sweep.** A .NET 10 console project outside the repo referencing
-`Chorizite.DatReaderWriter 2.1.7`, enumerating via
-`DatCollection.GetAllIdsOfType()` / `()` and reproducing
-`FromSetup`'s three steps. Emits `ap152-affected.txt`
-(`setupId, cylShapes, sphShapes, bspShapes, parts, minPrimRadius,
-maxPrimRadius`) for the 172. Deliberately not committed; §9.5 is the committed
-form of the load-bearing assertion.
-
-**Characterisation.** A streaming regex pass over
-`references/weenies(single file).json` (168 MB, 2018 ACE dump) keying
-`didStats key 1 = Setup` to `wcid` / `Name` / `weenieType`, and `intStats
-key 93 = PhysicsState`. Of 459 weenies whose Setup is in the affected 172, 163
-carry 0x10000 in the *authored* PhysicsState and 296 do not — which is why
-§3.3 rests on ACE's `WorldObject_Networking` override rather than on the
-authored value. Treat this dump as a characteriser only; see trap 9.
-
-**Setup DAT layout** is `Setup.generated.cs` in
-`references/DatReaderWriter/DatReaderWriter/Generated/DBObjs/`; the
-`SetupFlags` bit assignment was independently confirmed against
-`CSetup::UnPack` @`0x00520c50` (§4.2).
diff --git a/docs/research/2026-08-06-ap152-review-architecture.md b/docs/research/2026-08-06-ap152-review-architecture.md
deleted file mode 100644
index 1daa50d0..00000000
--- a/docs/research/2026-08-06-ap152-review-architecture.md
+++ /dev/null
@@ -1,370 +0,0 @@
-# AP-152 architecture review — `4abd1b5e`
-
-**Reviewer scope:** blast radius, correctness of reach, test quality. Retail
-fidelity is a separate reviewer's.
-**Worktree:** `.claude/worktrees/resume-session-e0bd03e1-d5bf45`, branch
-`claude/resume-session-e0bd03e1-d5bf45`, HEAD `4abd1b5e`.
-**Method:** read-only, inline, no subagents. All `bin`/`obj` deleted (44
-directories) before every verdict-deciding build. Five sabotages reproduced;
-tree restored and verified clean (`git status --porcelain` empty) after each.
-
----
-
-## Verdict
-
-**PASS**, with one high-severity latent risk that must not be treated as
-landed behaviour until the connected flood-set diff runs, and four
-documentation/framing residuals.
-
-No defect found. The two load-bearing claims I was asked to attack — the
-headless-neutrality claim and the S4 no-op argument — **both hold**, and I
-verified each independently rather than accepting the implementer's evidence.
-
----
-
-## Gates reproduced
-
-| Gate | Claimed | Measured | |
-|---|---|---|---|
-| Clean Release build | 0 errors / 21 pre-existing warnings | 0 errors / 21 warnings | ✅ |
-| Full solution suite | 11,203 / 4 / 0 | 11,203 passed / 4 skipped / 0 failed | ✅ |
-| Headless | 89 / 89 | 89 / 89 | ✅ |
-| Delta vs `ec29a732` | +5 (3 Core, 1 App, 1 Content) | +5 `[Fact]` added, **0 removed**; the 5 new facts are exactly the 5 that redden under sabotage B | ✅ |
-| Renames 1:1 | 2 renamed, none deleted | `-0 [Fact]` in the test diff | ✅ |
-| Register bookkeeping | AP-152 retired, AP-153/154/155 filed | active AP rows 105 → 107 (−1 +3) | ✅ |
-
-Per-project at HEAD, clean build, `--no-build`:
-Cli 4, Bake 15, Headless 89, Content 126, UI.Abstractions 546, Core.Net 764,
-Runtime 1222, App 4173/3 skip, Core 4264/1 skip. **Σ 11,203 / 4 / 0.**
-
-I did not check out `ec29a732` to re-measure the 11,198 baseline (read-only
-worktree, and switching would have disturbed the other agent's assumptions).
-The +5 arithmetic is corroborated independently: sabotage B (gate disabled)
-reddens exactly five tests solution-wide, and they are exactly the five the
-commit says it added.
-
----
-
-## 1. Reach across hosts — **the neutrality claim is TRUE, and stronger than stated**
-
-I did not verify the claim as written; I enumerated the whole producer set.
-
-`ShadowShape` is constructed at exactly **eight** sites in `src/`:
-
-| Site | Emits |
-|---|---|
-| `ShadowShapeBuilder.cs:134` (step 1) | Cylinder |
-| `ShadowShapeBuilder.cs:155` (step 2) | Sphere |
-| `ShadowShapeBuilder.cs:192` (step 3) | BSP |
-| `ShadowShapeBuilder.cs:276` (`FromLandblockBspParts`) | BSP only — every path in that loop `continue`s or adds `ShadowCollisionType.BSP` |
-| `LandblockPhysicsContentBuilder.cs:658`, `:683` | Cylinder only (`:683` converts a Setup Sphere to a height-capped Cylinder) |
-| `LandblockPhysicsPublisher.cs:1003`, `:1030` | Cylinder only (same conversion) |
-
-Steps 1–3 are the only site that could ever produce a heterogeneous list, and
-after this change it cannot. So:
-
-- **Content's two registrations are homogeneous by construction.**
- `LandblockPhysicsContentBuilder.cs:619` passes `bspShapes` from
- `FromLandblockBspParts` (all-BSP); `:702` passes `setupShapes`, all
- `ShadowCollisionType.Cylinder`, with no `ShadowCollisionType.Sphere`
- reachable. Confirmed by reading both loops, not by trusting the comment.
-- **Every other `RegisterMultiPart` caller replays a stored list.**
- `ShadowObjectRegistry.cs:536` (`ReplaceMultiPartPayload`), `:741`
- (`UpdatePosition`), `:1616` (`RefloodOwnerForLandblock`), `:2199` (mirror)
- all pass `_entityShapes[entityId]`, which was populated by one of the eight
- producers above. Homogeneity propagates.
-- **Runtime constructs no shapes.** `grep "new ShadowShape("` in
- `src/AcDream.Runtime` returns nothing; every `ShadowObjects.*` call there is
- `UpdatePosition` / `CommitSetPosition` / `Suspend` / a read.
-- **Project references confirm the reach boundary.**
- `AcDream.Headless.csproj` → `AcDream.Runtime` only;
- `AcDream.Runtime.csproj` → Core, Core.Net, Content, Plugin.Abstractions.
- `AcDream.App` is unreachable, so `LiveEntityCollisionBuilder` — the sole
- production caller of `FromSetup` (`LiveEntityCollisionBuilder.cs:126`) —
- cannot execute in headless.
-
-**Empirical confirmation, not just structural:** under sabotage B (the step-0
-gate disabled — emission reverts to additive), `AcDream.Headless.Tests` stays
-**89/89 green** while Core, App and Content each redden. That is direct
-evidence the change does not reach headless, which is the C5b lesson applied
-in the correct direction.
-
-**I believe the headless-neutrality claim.**
-
----
-
-## 2. Effective-GfxObj identity — **correct, and structurally airtight**
-
-The gate (`ShadowShapeBuilder.cs:116-124`) and step 3 (`:171-200`) call the
-same helper `EffectivePartGfxObjId` (`:289-302`), over the same index range
-(`setup.Parts.Count`), with the same predicate instance (`hasPhysicsBsp`).
-Therefore
-
-> `anyPhysicsBspPart == true` ⟺ step 3 emits at least one shape
-
-is an identity, not a tested property. The trap the contract names — gate
-suppresses primitives, step 3 emits nothing, `Build` returns null at
-`LiveEntityCollisionBuilder.cs:146`, collision silently deleted — is
-unreachable by construction.
-
-Downstream identity is the same one: `LiveEntityCollisionBuilder.cs:137`
-resolves the real BSP radius from `shape.GfxObjId`, which step 3 set to the
-effective id at `ShadowShapeBuilder.cs:193`. The predicate itself
-(`LiveEntityCollisionBuilder.cs:56`,
-`physicsData.GetFlatGfxObj(id)?.PhysicsBsp.RootIndex >= 0`) is the same
-function object passed to the gate. Gate, emission, radius resolution and the
-collision-time BSP lookup all key on one id.
-
-**Trap-1 sabotage reproduced.** Replacing the gate body with
-`hasPhysicsBsp((uint)setup.Parts[i])`:
-
-```
-Failed ShadowShapeBuilderTests.FromSetup_DispatchGateReadsTheEffectivePartIdentities
-Failed! - Failed: 1, Passed: 4263, Skipped: 1, Total: 4265
-```
-
-Exactly one test catches it, and it is the one claimed to. Its discriminating
-power is real: with a `setup.Parts` gate the swapped case yields
-Cylinder + BSP (2 shapes) and `Assert.Single(swapped)` fails, while the
-unswapped case still passes — so the test distinguishes *this* wrong gate
-from *no* gate.
-
----
-
-## 3. Test quality — five sabotages reproduced
-
-### S4 (flood reverted to cylinder-first) — **the no-op argument holds**
-
-I reverted `ShadowObjectRegistry.cs:649-652` to cylinder-first and ran the
-**whole solution**:
-
-```
-Failed ShadowObjectRegistryMultiPartTests.BuildFloodSpheres_BspBearingOwner_FloodsFromBspNotFromCylinder
-Failed! - Failed: 1, Passed: 4263 ... (Core)
-Passed! - all 8 other test assemblies, including Headless 89/89
-```
-
-`FromSetup_CylSphereAndBspSetup_FloodsTheBspFootprint` — the end-to-end fact —
-stayed **green**, exactly as claimed. One test out of 11,203 reddens.
-
-Combined with §1's producer enumeration, this is a proof rather than an
-anecdote: no production producer can emit a list on which the flood dispatch
-observably differs, so **the entire measured membership delta is attributable
-to the emission gate alone**, and the flood half is behaviour-identical today.
-
-**Is the flood change justified?** Yes, and it is not a workaround. It is a
-faithful port of `calc_cross_cells`' own dispatch (documented at
-`ShadowObjectRegistry.cs:600-628`), kept on the same rationale that keeps
-`Transition.BspOnlyDispatch`. It is, however, honestly dead against current
-inputs — see latent risk #5. The gate alone would produce identical behaviour;
-the flood change buys retail-shape correctness for a producer that does not
-yet exist.
-
-### S5′ (old `ScaleFactor` body under the same production sabotage) — **reproduced**
-
-Production sabotage: `ShadowShapeBuilder.cs:161`,
-`Radius: sph.Radius * entScale` → `Radius: sph.Radius`.
-
-- Corrected test body → **Failed**
- (`FromSetup_ScaleFactor_MultipliesAllRadiiAndOffsets`).
-- Old test body restored verbatim under the *same* sabotage → **Passed**.
-
-The old test genuinely covered nothing: its radius/offset assertions sat
-inside `if (s.CollisionType == ShadowCollisionType.Cylinder)` on a fixture
-with zero CylSpheres. The correction is a strengthening, not a rewrite to
-make a failing test pass.
-
-### Sabotage B (step-0 gate disabled → additive emission)
-
-Reddens exactly the five added facts, across three projects:
-
-```
-Core FromSetup_DoorSetup_EmitsBspPartsOnly
-Core FromSetup_DispatchGateReadsTheEffectivePartIdentities
-Core FromSetup_CylSphereAndBspSetup_FloodsTheBspFootprint
-App CylSphereAndPhysicsBspPart_EmitsOnlyTheScaledBspShape
-Content InstalledSetups_WithBothAPrimitiveAndAPhysicsBspPart_EmitOnlyBspShapes
-Headless 89/89 GREEN
-```
-
-### DAT-sweep control (mine, not on the claimed list)
-
-The installed-DAT sweep completes in ~700 ms, which is fast enough to look
-like a vacuous early return at
-`InstalledSetupBspPrimitiveDispatchTests.cs:59-60`. I falsified that:
-`ExpectedSetups = 5935 → 5936` produces
-`Assert.Equal() Failure: Expected 5936, Actual 5935`. The sweep really
-enumerates the installed `client_portal.dat`, and its four external bucket
-controls are load-bearing rather than derived from the predicate under test.
-
-### Test-quality notes
-
-- No test deleted (`-0 [Fact]` in the diff); both renamed tests are
- strengthened (`Assert.Single` + `Assert.All` + two `DoesNotContain` where
- there were loose counters).
-- The `return` on absent DATs is the established Content.Tests convention
- (`ContentConformanceDats.ResolveDatDir`, used identically by six sibling
- tests). Not a new skip.
-- No `Skip =`, no `try/catch`, no `Thread.Sleep`/`Task.Delay`, no new
- `GetEnvironmentVariable`, no suppression flag introduced anywhere in the
- diff.
-- Known flakes #302/#308/#321 untouched and not conflated.
-
----
-
-## 4. Downstream consumers of the (now smaller) shape list — clean
-
-- No production site indexes a `FromSetup` list positionally. The only
- positional loops (`LandblockPhysicsPublisher.cs:1083`, `:1098`) walk their
- own homogeneous list.
-- No site asserts "at least one primitive". `RegisterMultiPart` handles
- `shapes.Count == 0` by deregistering (`ShadowObjectRegistry.cs:454`), and
- §2 proves the count cannot newly become zero.
-- `TransitionTypes.cs:3759 / 3901 / 4089` branch per shape kind, never on the
- presence of a kind.
-- `WorldSceneDiagnosticsController.cs:222` is debug wireframe drawing.
-- `LiveEntityCollisionBuilder.cs:191-201`'s probe counts `cyl` vs `else`; the
- contract already documents that its `else` mislabels Sphere as `bsp`. That
- matters for reading the un-run connected gate, not for behaviour.
-
----
-
-## Findings, ranked
-
-### Defect
-None.
-
-### Latent risk
-
-**LR-1 [High] — for 99 of the 172 Setups the membership change is a SHRINK, in
-the same failure class the commit exists to fix, and it is un-gated.**
-`ShadowShapeBuilder.cs:150-164` stops emitting the Setup Sphere for any
-Sphere+BSP Setup, so `BuildFloodSpheres` (`ShadowObjectRegistry.cs:654-667`)
-now floods only from the BSP parts' bounding spheres — whose production radius
-is the flat BSP root bounding sphere (`LiveEntityCollisionBuilder.cs:137`).
-Retail's `find_bbox_cell_list` uses a bounding **box** over the whole part
-array; acdream approximates it with per-part bounding **spheres**, which
-AP-155 correctly registers. Failure scenario: a Sphere+BSP prop whose Setup
-sphere is larger than every part's BSP bounding sphere — the contract itself
-names `0x02001761` "Boulder" (2.00 m sphere + 1 BSP) as a candidate — loses
-shadow cells, and stops blocking when approached from the landcell it dropped
-out of while still blocking from another. That is the #98/#168 signature
-verbatim. The instrument for this is the contract's §8.2 item 3 keyed
-flood-set diff, and it **has not been run**. The commit's "NOT yet gated live"
-line covers it; this finding is to make sure the shrink direction, not only
-the flip direction, is what the connected session measures, and that the
-acceptance criterion "no affected owner ends with an empty set" is checked.
-
-**LR-2 [Medium] — the blast radius is understated: this also changes the
-collision shape set, not only membership, wherever the wire flag is absent.**
-`Transition.BspOnlyDispatch` (`TransitionTypes.cs:1348-1349`) reads the
-*server's* `PhysicsState`, copied at `LiveEntityCollisionBuilder.cs:161`. The
-commit's "the collision half was already inert" is conditional on ACE setting
-`HAS_PHYSICS_BSP_PS` from `CSetup.HasPhysicsBSP` for every affected Setup. Any
-live entity where that bit is absent previously had its primitive tested and
-now does not. Failure scenario: an ACE build (or a different server) that
-omits the bit for one of the 172 — pre-change the mover collided with the
-cylinder, post-change it collides only with the slab BSP, and the two are not
-the same shape. This is retail-*correct* (retail derives the flag from the
-parts, `CPartArray::CacheHasPhysicsBSP`), and the underlying dependency is
-registered as AP-154, so nothing is hidden — but the commit message and the
-"NOT yet gated live" note both say "membership", and the honest statement is
-"membership, and collision wherever the server omits the bit".
-
-**LR-3 [Medium] — `RegisterMultiPart`'s own XML doc still states the rule this
-commit inverted.** `src/AcDream.Core/Physics/ShadowObjectRegistry.cs:432-439`:
-"when the object has CylSpheres, they alone drive the flood … otherwise the
-BSP parts' bounding spheres stand in for the sorting sphere." That is now
-false, and it sits on the **public** method, 165 lines above the corrected
-`BuildFloodSpheres` block at `:600-628`. A reader who stops at the public
-API doc gets the pre-change rule. This is the same class of defect the commit
-was written to correct in AP-152's four false statements, and CLAUDE.md's
-"never leave them out of sync" applies.
-
-**LR-4 [Low] — `LiveEntityCollisionBuilder`'s class doc still describes the
-additive policy.** `src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs:32`:
-"CylSpheres before Spheres, **and** every physics-BSP part." The "and" is
-precisely the union this commit removed.
-
-**LR-5 [Low] — the exclusivity invariant is whole-program, not locally
-enforced, and the flood guard's only live proof is synthetic.** Nothing in
-`AcDream.Core` prevents a future Content/Runtime producer from handing
-`RegisterMultiPart` a mixed list; the BSP-first flood branch is the guard, and
-S4 shows it is exercised by exactly one synthetic test. That is acceptable
-(it is a faithful port, and it is documented as forward insurance), but it
-should be understood as inert code with a synthetic-only witness rather than
-as covered behaviour.
-
-**LR-6 [Low] — "All eight sabotages run and reported" has no artifact.**
-`docs/research/2026-08-06-ap152-contract.md` is the pre-implementation
-contract; no closeout records sabotage outcomes. Five hold under independent
-reproduction here; the other three rest on the commit message alone.
-
-**LR-7 [Informational] — headless still has no live-entity collision at all
-(#330), so graphical and headless now dispatch shapes by different rules for
-the same world.** Pre-existing and correctly bounded by the commit ("do not
-fix #330 here"), but it is now load-bearing: the fix improves the graphical
-host only.
-
-### Style
-Covered by LR-3 / LR-4 (both are stale docs on live symbols, so I ranked them
-as latent risk rather than style).
-
----
-
-## AP-153 / AP-154 / AP-155 — honest residuals, not deferral
-
-- **AP-153** (retail caches the dispatch flag once at
- `InitPartArrayObject+0x7e`; acdream's gate is live). A modelling difference
- the fix itself introduces, unreachable against ACE today because humanoid
- part swaps involve no physics-BSP GfxObj on either side. Filing it rather
- than building stale-flag state is the right call — modelling it would be
- speculative machinery for an unreachable case.
-- **AP-154** (wire-derived `HAS_PHYSICS_BSP_PS`). **It does not undercut the
- gate's premise.** The gate is now derived from the parts, which is exactly
- what `CPartArray::CacheHasPhysicsBSP` does; AP-154 is about the *query-time*
- guard `BspOnlyDispatch`, which the commit deliberately leaves alone. What it
- does do is name the assumption the "already inert" argument rests on — which
- is why LR-2 is a framing problem rather than a hidden one. Filing it is
- correct; it should not have been resolved inside this commit.
-- **AP-155** (static paths emit Setup Spheres as height-capped Cylinders; the
- flood approximates retail's bbox with bounding spheres). Its membership half
- is genuinely closed here; its static half is explicitly left open. The
- second clause is the mechanism behind LR-1, and the row states it plainly
- rather than burying it.
-
-None of the three defers a part of the defect this commit set out to fix.
-
----
-
-## Rules compliance
-
-No workaround, suppression flag, grace period, retry loop, or symptom guard.
-No `if (problematicState) return` at a symptom site — the gate is at the
-producer, derived from the same data retail derives it from. No new skips
-(4 skipped, unchanged). No test weakened to pass; both corrected tests are
-strictly stronger and neither was deleted. Register updated in the same
-commit, with count arithmetic checked (105 → 107).
-
----
-
-## What I checked, so the PASS is auditable
-
-1. Full diff of both production files and all five test files.
-2. Every `ShadowShape` producer in `src/` (8 sites) and every
- `RegisterMultiPart` caller (6 production sites) read individually.
-3. `.csproj` reference graph for Headless / Runtime / Content / Core.
-4. `grep` for `new ShadowShape(` and `ShadowObjects.*` in `AcDream.Runtime`
- (empty / read-only).
-5. Downstream consumers keyed on `ShadowCollisionType.Cylinder|Sphere`, on
- `shapes[0]`, and on `shapes.Count`.
-6. Clean Release build after deleting all 44 `bin`/`obj` dirs: 0 / 21.
-7. Full solution suite twice on clean builds: 11,203 / 4 / 0 both times.
-8. Five sabotages reproduced (trap-1 gate identity, S4 flood revert, S5′
- scale-factor pair, B gate-disabled, DAT-sweep count control), each with the
- tree restored and `git status --porcelain` verified empty afterwards.
-9. Register row count at HEAD vs `ec29a732`.
-10. Diff scanned for `Skip =`, `try/catch`, sleeps, env-var reads, TODO/HACK.
-
-Final tree state: **clean**, no modifications left behind. My single write is
-this file.
diff --git a/docs/research/2026-08-06-ap152-review-retail.md b/docs/research/2026-08-06-ap152-review-retail.md
deleted file mode 100644
index d9c8bb8d..00000000
--- a/docs/research/2026-08-06-ap152-review-retail.md
+++ /dev/null
@@ -1,416 +0,0 @@
-# AP-152 retail-conformance review — commit `4abd1b5e`
-
-**Reviewer role:** adversarial retail-conformance.
-**Scope:** `ShadowShapeBuilder.FromSetup` step-0 dispatch gate,
-`ShadowObjectRegistry.BuildFloodSpheres` priority, the AP-152 retirement text,
-and the AP-153/AP-154/AP-155 filings.
-**Method:** every retail claim re-derived from the PDB-paired binary
-(`C:\Users\erikn\Downloads\acclient.exe`, `check_exe_pdb.py` → `=== MATCH ===`,
-linker 2013-09-06T00:17:56Z, CodeView GUID
-`9e847e2f-777c-4bd9-886c-22256bb87f32`) with capstone + `pefile`, resolving every
-address through `named-retail/symbols.json`. Neither the commit body's nor the
-contract's quoted disassembly was used as input. Population facts re-measured
-independently against the installed `client_portal.dat` with a scratchpad
-`Chorizite.DatReaderWriter` sweep (not the repo's test).
-
----
-
-## VERDICT: **FAIL**
-
-The retail port itself is faithful — **every** disassembly claim in the commit
-and in the AP-152 retirement text checks out byte-exact, and the change makes
-acdream match `CPhysicsObj::FindObjCollisions` and `CPhysicsObj::calc_cross_cells`
-where it previously did not. The failure is not in the dispatch port. It is that
-the commit **moves 172 Setups onto a flood-sphere approximation whose direction
-the register records backwards**, and the false direction is the stated reason
-the residual was safe to defer. Measured over the installed DATs: the new flood
-fails to contain the object's own BSP bounding sphere for **170 of the 172**
-affected Setups, shortfall up to **9.911 m**, and for **43 of them** the flood is
-strictly *smaller* than what the code produced before this commit. That is the
-#98 / #168 under-inclusive membership class — the exact class the commit's
-thesis says it removes.
-
----
-
-## Part 1 — Independent retail verification (all PASS)
-
-### 1.1 `CPhysicsObj::calc_cross_cells` @`0x00515230`
-
-Symbol resolves exactly (`symbols.json` → `CPhysicsObj::calc_cross_cells`,
-offset 0). Disassembled:
-
-```
-0x00515285 f786a800000000000100 test dword ptr [esi + 0xa8], 0x10000
-0x0051528f 7574 jne 0x515305 ; -> BSP
-0x00515291 8b4e10 mov ecx, [esi + 0x10] ; part array
-0x00515296 7444 je 0x5152dc ; none -> sorting sphere
-0x00515298 e8e32d0000 call 0x518080 ; CPartArray::GetNumCylsphere
-0x0051529f 743b je 0x5152dc ; zero -> sorting sphere
-...
-0x005152d1 e81a670100 call 0x52b9f0 ; CObjCell::find_cell_list (cylsphere)
-0x005152da eb35 jmp 0x515311 ; PAST the sorting-sphere branch
-0x005152dc ...
-0x005152e3 e818380000 call 0x518b00 ; CPartArray::GetSortingSphere
-0x005152fb e890660100 call 0x52b990 ; CObjCell::find_cell_list (sorting sphere)
-0x00515305 680c3f8400 push 0x843f0c
-0x0051530c e8afbcffff call 0x510fc0 ; CPhysicsObj::find_bbox_cell_list
-```
-
-- The `test`/`jne` pair is at exactly `0x00515285` / `0x0051528f` as claimed. **PASS.**
-- `jne` target `0x515305` calls `0x00510fc0` = `CPhysicsObj::find_bbox_cell_list`. **PASS.**
-- Cylsphere call at `0x005152d1` → `0x0052b9f0`, sorting-sphere call at
- `0x005152fb` → `0x0052b990`; both **below** the jump and unreachable from it. **PASS.**
-- **Order (review item 2):** confirmed by fall-through, not merely by "BSP wins".
- Both `je 0x5152dc` guards (null part array; `GetNumCylsphere == 0`) skip to the
- sorting-sphere branch, and the cylsphere branch's `jmp 0x515311` at `0x005152da`
- jumps **past** the sorting-sphere branch. Precedence is therefore
- **BSP → CylSphere → sorting sphere**, exclusive at every step. **PASS.**
-
-`0x0052b9f0` and `0x0052b990` are two overloads of the same symbol
-`CObjCell::find_cell_list`; the commit distinguishes them correctly by argument
-shape. Retail's 10-sphere cap is confirmed independently inside the cylsphere
-overload at `0x0052ba21 cmp eax, 0xa`, matching `RetailSphereCap = 10`.
-
-### 1.2 `CPhysicsObj::FindObjCollisions` @`0x0050f050` (review item 3)
-
-Left untouched by the commit; re-confirmed so "already correct" is earned:
-
-```
-0x0050f165 f786a800000000000100 test dword ptr [esi + 0xa8], 0x10000
-0x0050f16f 7431 je 0x50f1a2 ; clear -> primitive dispatch
-0x0050f18d e8ee8f0000 call 0x518180 ; CPartArray::FindObjCollisions
-0x0050f19d e90e010000 jmp 0x50f2b0 ; UNCONDITIONAL
-0x0050f1a2 ... ; CylSphere loop head
-0x0050f1d6 0f833b010000 jae 0x50f317 ; loop exhausted -> RETURN
-0x0050f21d ... ; Sphere loop head
-0x0050f22f 0f84e6000000 je 0x50f31b ; zero Spheres -> RETURN seeded OK_TS
-```
-
-All five cited instruction addresses are byte-exact and the `jmp 0x50f2b0` is
-past both `0x50f1a2` and `0x50f21d`. The dispatch is exclusive. **PASS** — the
-query path genuinely did not need changing. (`ebp` at `0x0050f171`/`0x0050f1b2`/
-`0x0050f235` is the ethereal/ignore early-out, not a second shape branch.)
-
-### 1.3 `CacheHasPhysicsBSP` and AP-153's "exactly one caller" (review item 4)
-
-Two distinct symbols, both cited correctly in different places:
-`CPhysicsObj::CacheHasPhysicsBSP` @`0x0050f570` and
-`CPartArray::CacheHasPhysicsBSP` @`0x00518110`.
-
-Full `.text` + `.rdata` scan for `E8`/`E9` rel32 and absolute-dword references:
-
-| Target | Refs found |
-|---|---|
-| `CPhysicsObj::CacheHasPhysicsBSP` `0x0050f570` | **1** — `call` at `0x0051272e` = `CPhysicsObj::InitPartArrayObject+0x7e` |
-| `CPartArray::CacheHasPhysicsBSP` `0x00518110` | **1** — `call` at `0x0050f57d` = `CPhysicsObj::CacheHasPhysicsBSP+0xd` |
-
-**PASS**, and stronger than filed: `InitPartArrayObject` @`0x005126b0` itself has
-exactly three callers, all construction — `CPhysicsObj::InitNullObject+0x1f`,
-`CPhysicsObj::makeObject+0x3b`, `CBuildingObj::makeBuilding+0x3b`. And
-`CPartArray::SetPart` @`0x00518580` (the `AnimPartChanged` swap site) calls
-`CPhysicsPart::SetPart` @`0x0050e700` per part and never re-caches. So retail's
-dispatch flag is derived once at construction and is genuinely stale after a part
-swap. **AP-153 is honestly scoped** and could legitimately claim more evidence
-than it does.
-
-`CPartArray::CacheHasPhysicsBSP`'s body confirms the derivation the acdream gate
-imitates: walk `[ecx+0x5c][i]` parts, deref `[part+0x20]` → gfxobj, test
-`[gfxobj+0x78]` (physics BSP), OR `0x10000` into `[ecx]` on the first hit.
-
-### 1.4 Every cited address resolves to the symbol claimed (review item 5)
-
-| Address | Resolves to | Verdict |
-|---|---|---|
-| `0x00515230` | `CPhysicsObj::calc_cross_cells` | ✔ |
-| `0x0050f050` | `CPhysicsObj::FindObjCollisions` | ✔ |
-| `0x00510fc0` | `CPhysicsObj::find_bbox_cell_list` | ✔ |
-| `0x0052b9f0` / `0x0052b990` | `CObjCell::find_cell_list` (two overloads) | ✔ |
-| `0x0050f570` | `CPhysicsObj::CacheHasPhysicsBSP` | ✔ |
-| `0x00518110` | `CPartArray::CacheHasPhysicsBSP` | ✔ |
-| `0x00518180` | `CPartArray::FindObjCollisions` | ✔ |
-| `0x0050d8d0` | `CPhysicsPart::find_obj_collisions` | ✔ |
-| `0x00537a80` / `0x00537fd0` | `CSphere::intersects_sphere` (two overloads) | ✔ |
-| `0x00518b00` | `CPartArray::GetSortingSphere` | ✔ |
-| `0x0051272e` | `CPhysicsObj::InitPartArrayObject+0x7e` | ✔ |
-| `0x00518060/70/80/90` | `GetNumSphere` / `GetSphere` / `GetNumCylsphere` / `GetCylsphere` | ✔ |
-
-No mis-citation found.
-
-### 1.5 The four corrections (all re-measured from the installed DAT)
-
-| Correction | Claim | Measured | Verdict |
-|---|---|---|---|
-| 2a | max affected primitive = **6.714 m** CylSphere on `0x02001741` | `0x02001741` cyl[0] r = **6.714**, h = 1.476 — the max over the 172 affected | ✔ |
-| 2b | `0x0200086E` Sphere origin `(0.759, 0.165, 5.842)` | sph[0] origin `(0.758796, 0.165414, 5.842)`, r = 5.842 | ✔ |
-| 3 | cottage door `0x020019FF` Sphere = **0.100 m**; `0.141` is `Setup.Radius` | sph[0] r = **0.1** @ `(0, 0, 0.018)`; `Setup.Radius` = **0.14142136** | ✔ |
-| 4 | **two** pinning tests, both corrected, neither deleted | `FromSetup_DoorSetup_ProducesFourShapes` → `_EmitsBspPartsOnly`, and `FromSetup_DoorSetup_SphereAtExpectedLocalOffset` re-hosted `_ => true` → `_ => false` | ✔ |
-
-Note the correction is *scoped to the affected 172*, which is legitimate but
-unstated: the largest primitive anywhere in the DAT is a **15.0 m** Sphere on
-`0x02000D7D`. Worth one clause in the row so a later reader doesn't re-derive
-6.714 as a global bound.
-
-### 1.6 Register bookkeeping
-
-- **AP-152 retirement is earned, not asserted.** `~~AP-152~~` struck through,
- past tense, evidence column populated, corrections enumerated. Sabotage-verified
- both halves (below).
-- **AP row count = literal 107.** Parsed the section: 130 AP rows, 23 struck, **107
- active**. Baseline at `ec29a732` = 105 active. 105 + 3 (AP-153/154/155) − 1
- (AP-152) = **107**. Reconciles.
-- **AP-154's grep claim is exact.** `grep -rn "PhysicsStateFlags.HasPhysicsBsp" src/`
- → exactly two hits: `TransitionTypes.cs:1349` (the predicate) and
- `PhysicsEngine.cs:1614`, which reads `request.MoverPhysicsState` — an unrelated
- *mover*-state read, as the row says.
-- **ACE derivation confirmed.** `references/ACE/Source/ACE.Server/WorldObjects/WorldObject_Networking.cs:666-669`
- — `if (CSetup.HasPhysicsBSP) physicsState |= PhysicsState.HasPhysicsBSP; else &= ~`.
-- **Static-publisher homogeneity claim earned.** `LandblockPhysicsPublisher.cs:983`
- gates the Setup-primitive block on `entityBspCount == 0`, so that path already
- dispatched exclusively and emits Cylinder-typed shapes only.
-- **Blast-radius claim earned.** `ShadowShapeBuilder.FromSetup`'s only production
- caller is `src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs:126`
- (`internal sealed`, AcDream.App) — unreachable from Headless.
-
-### 1.7 Build and suite
-
-`bin`/`obj` deleted repo-wide, then Release build (0 errors) and full suite:
-
-```
-AcDream.Cli.Tests 4 / 0 skip
-AcDream.Content.Tests 126 / 0
-AcDream.UI.Abstractions.Tests 546 / 0
-AcDream.Runtime.Tests 1222 / 0
-AcDream.Bake.Tests 15 / 0
-AcDream.Headless.Tests 89 / 0
-AcDream.App.Tests 4173 / 3 skip
-AcDream.Core.Net.Tests 764 / 0
-AcDream.Core.Tests 4264 / 1 skip
---------------------------------------------
- 11,203 passed / 4 skipped / 0 failed
-```
-
-Exactly the commit's stated numbers, including Headless 89/89.
-
-### 1.8 Sabotage (both restored; tree confirmed clean afterwards)
-
-| Sabotage | Reddened |
-|---|---|
-| A — `if (!anyPhysicsBspPart)` → `\|\| true` (restore the additive union) | `FromSetup_DoorSetup_EmitsBspPartsOnly`, `FromSetup_DispatchGateReadsTheEffectivePartIdentities`, `FromSetup_CylSphereAndBspSetup_FloodsTheBspFootprint` — 3 failed / 20 passed |
-| B — `BuildFloodSpheres` `only` → cylinder-first (drop the BSP arm) | `BuildFloodSpheres_BspBearingOwner_FloodsFromBspNotFromCylinder` only — 1 failed / 9 passed |
-
-Both facts are load-bearing and neither is over-broad. Sabotage B leaving
-`FromSetup_CylSphereAndBspSetup_FloodsTheBspFootprint` green is *correct* and
-corroborates the commit's own statement that the `BuildFloodSpheres` half is
-behaviour-neutral against today's producers.
-
----
-
-## Part 2 — Findings, by severity
-
-### F1 (HIGH) — AP-155(b)'s "over-inclusive, the safe direction" is empirically inverted, and it is the justification for deferring the residual
-
-**Register text (AP-155, Risk column):** *"(b)'s bounding-sphere approximation is
-over-inclusive (a sphere contains the box's inscribed extent but is larger in the
-diagonal), which floods MORE cells rather than fewer — the safe direction for
-membership."*
-
-That reasoning holds only if the sphere is **concentric** with the geometry. It
-is not. Production builds the BSP flood sphere from two different sources:
-
-- **centre** — `src/AcDream.Core/Physics/ShadowShapeBuilder.cs:194`:
- `LocalPosition = partFrame.Origin * entScale`, the part's *placement-frame*
- origin;
-- **radius** — `src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs:137` →
- `_physicsBspRadius` → `src/AcDream.Core/Physics/FlatCollisionAssetBuilder.cs:393`,
- `PhysicsBSP.Root.BoundingSphere.**Radius**`.
-
-The BSP root sphere's own **`Origin` is discarded**. `BuildFloodSpheres`
-(`src/AcDream.Core/Physics/ShadowObjectRegistry.cs:661`) then floods from
-`entityWorldPos + rotate(LocalPosition)` — the part origin — with that radius.
-
-**Measured over the installed `client_portal.dat`** (5,935 Setups; 530 carry a
-physics-BSP part; 973 BSP parts total):
-
-- **376 of 973** BSP parts have `|rootSphere.Origin| > radius/2`. Worst:
- **20.762 m** offset on a 27.708 m sphere (`gfx 0x010036DD`, Setup `0x0200129A`).
-- Over the **172 Setups this commit moves onto that path**, the emitted flood
- sphere set fails to contain the true BSP bounding sphere in **170** cases
- (73 CylSphere-bearing, 97 Sphere-bearing). Only 2 are covered.
-- Worst shortfall **9.911 m**, Setup `0x02000255`: one part, `gfx 0x01000A90`,
- BSP root sphere `origin = (0.000, −0.007, 9.911)`, `radius = 10.522`
- (`Setup.Height = 18.692`). Production floods from a sphere centred at
- `(0,0,0)` — 9.9 m below the geometry's own collision centre.
-
-**Observable in-game consequence.** Outdoor land flood (`AddAllOutsideCells`) is
-XY-driven and mostly forgives this. Indoor / building flood is not:
-`CellTransit.BuildShadowCellSet` (`src/AcDream.Core/Physics/CellTransit.cs:601`)
-routes every candidate cell with `id & 0xFFFF >= 0x0100` through
-`FindTransitCellsSphere`, a 3-D sphere-vs-portal test. A tall dungeon or building
-prop whose BSP sphere sits several metres above the part origin will not be
-registered into the EnvCells it physically occupies. It is then never a broadphase
-candidate there at all (`TransitionTypes.cs:3763` only iterates entries already in
-the cell), so it does not collide: **walk through the upper part of a tall indoor
-prop, or through a door slab from the storey above/below it**. That is precisely
-the #98 / #168 class.
-
-The register does not merely omit this — it records the opposite and uses the
-recorded direction as the reason the residual is safe to leave open. Under the
-C4-handoff process finding *"a contract asserting a mechanism that does not exist
-caused three separate defects"*, this is the same failure mode, in a register row
-rather than a code contract.
-
-Two secondary inaccuracies in the same row's retail characterisation:
-
-- *"acdream approximates retail's bounding BOX"* — `find_bbox_cell_list`
- @`0x00510fc0` adds the object's own cell and then calls
- `CPartArray::calc_cross_cells_static` @`0x00518160`, which dispatches the
- virtual at `[cell_vtbl+0x7c]` with `(numParts, parts, cellarray)` — a
- `find_transit_cells` part-array overload (`CObjCell::find_transit_cells`
- `0x0052b070`/`0x0052b080`; `CEnvCell`'s pair sits at `.rdata` `0x007c8d14`/
- `0x007c8d18`). Retail walks the **actual per-part geometry** through cell
- portals despite the function's name. The approximation is coarser than the row
- admits, which widens F1 rather than narrowing it.
-
-### F2 (HIGH) — 43 of the 172 affected Setups get a strictly *smaller* flood than before this commit
-
-A direct consequence of F1, but it needs stating separately because it
-contradicts the commit's own thesis and is unguarded by any test.
-
-Modelling the pre-`4abd1b5e` `BuildFloodSpheres` (primitives preferred when any
-Cylinder exists; otherwise everything, cap 10) against the post-commit set over
-the same 172 Setups:
-
-| | count |
-|---|---|
-| new flood ⊇ old flood | 129 |
-| **new flood ⊉ old flood** | **43** (22 CylSphere-bearing, 21 Sphere-bearing) |
-
-Worst: **3.493 m** on `0x0200086E` — `Setup.Height = 11.684`, whose Sphere at
-`(0.759, 0.165, 5.842) r 5.842` reached `z ≈ 11.68`, while the two surviving BSP
-flood spheres (`gfx 0x01001B2B` r 9.015, `gfx 0x01001BB2` r 9.254, both centred at
-their part origins) reach only `z ≈ 9.0`. Next: `0x020015D4` 2.405 m,
-`0x02000359` 2.083 m, `0x02001761` 1.889 m.
-
-The commit says the change removes an under-inclusive membership defect. For
-these 43 Setups it introduces one. The commit's "NOT yet gated live" note is the
-right instinct; the connected gate must specifically look for props and doors
-that stopped blocking, not only for ones that started.
-
-**Neither new test covers this.** `BuildFloodSpheres_BspBearingOwner_...` and
-`FromSetup_CylSphereAndBspSetup_FloodsTheBspFootprint` both hand-substitute a
-synthetic `Radius = 14f` at `LocalPosition = Vector3.Zero`, i.e. a *concentric*
-BSP sphere — exactly the configuration in which F1 cannot fire.
-
-### F3 (MEDIUM) — `RegisterMultiPart`'s own doc comment still states the superseded rule
-
-`src/AcDream.Core/Physics/ShadowObjectRegistry.cs:432-439` (the sole caller of
-`BuildFloodSpheres`, 168 lines above it) still reads:
-
-> *"Flood spheres follow retail's rule (Ghidra 0x0052b9f0): when the object has
-> CylSpheres, they alone drive the flood (base point + cyl radius, capped at 10);
-> otherwise the BSP parts' bounding spheres stand in for the sorting sphere."*
-
-That is the pre-`4abd1b5e` rule and is now false — it is the rule sabotage B
-restored, and sabotage B reddened a test. The commit rewrote
-`BuildFloodSpheres`' own doc thoroughly and left its caller's contradicting it.
-The next reader who greps `RegisterMultiPart` before `BuildFloodSpheres` gets the
-wrong mental model of the very behaviour this commit changed.
-
-### F4 (MEDIUM) — unregistered divergence: retail's third branch is ONE sorting sphere, acdream's is every Sphere shape
-
-Retail's `calc_cross_cells` fall-through calls `CPartArray::GetSortingSphere`
-@`0x00518b00`, which returns `[partArray+0x54] + 0x70` — a single authored
-whole-object sphere on the `CSetup` — and floods from that one sphere
-(`0x005152fb`). acdream's `only == null` branch
-(`ShadowObjectRegistry.cs:652`) applies no filter and floods from **every**
-non-BSP, non-Cylinder shape, i.e. the Setup's per-part Sphere array.
-
-Different DAT field, different cardinality, different extent. The source comment
-at `ShadowObjectRegistry.cs:646-648` admits the substitution
-(*"which acdream approximates with the remaining shapes' bounding spheres"*), and
-AP-155's anchor column even cites `CPartArray::GetSortingSphere 0x00518b00` — but
-no AP row states the divergence. The register's own rule ("any commit that
-introduces a deviation adds its register row IN THE SAME COMMIT") is not
-retroactive, and this predates `4abd1b5e`; but the commit rewrote this exact
-method, filed three rows for its neighbours, and stepped over this one.
-
-Same class, smaller: `BuildFloodSpheres` collapses a Cylinder to a single sphere
-at its base point with the cylinder radius and **ignores `CylHeight` entirely**,
-where retail's `CObjCell::find_cell_list` @`0x0052b9f0` is handed the CCylSphere
-array `(low_pt, radius, height)`. Also unregistered.
-
-### F5 (LOW) — AP-155 is two divergences in one row; AP-153 and AP-154 are honestly distinct
-
-Asked whether one of AP-153/154/155 is the same divergence sliced twice: **no**,
-but AP-155 has the inverse problem.
-
-- **AP-153** (flag cached at construction vs. re-derived live) and **AP-154**
- (flag taken off the wire vs. derived client-side) concern the same bit but are
- genuinely different questions — *when* vs. *where from* — with different sites
- (`ShadowShapeBuilder` step 0 / `LiveEntityCollisionBuilder.ReconcileAppearance`
- vs. `TransitionTypes.cs:1348` / `LiveEntityCollisionBuilder.cs:161`), different
- risks, and different gates. Both scoped honestly.
-- **AP-155** bundles (a) the static publishers' Setup-Sphere→height-capped-Cylinder
- conversion — a *different* code path, a *different and larger* population, and
- its own stated gate — with (b) the flood-priority/approximation question, and
- then files (b) as already half-closed by the same commit. Three different
- lifecycles under one id. It should be two rows (or three), and (b)'s open
- remainder needs the F1 correction before it can be reasoned about at all.
-
-### F6 (LOW) — commit-body imprecision
-
-*"Priority at both consumers: BSP -> CylSphere -> Sphere -> nothing."* At
-`FindObjCollisions` the third branch is `CPartArray::GetSphere` @`0x00518070`
-(the per-part Sphere array, loop head `0x0050f21d`). At `calc_cross_cells` it is
-`CPartArray::GetSortingSphere` @`0x00518b00` (one authored whole-object sphere,
-`0x005152e3`). Different arrays; "both consumers" is not true of the third rung.
-The register row and the source comments state this correctly — only the commit
-message is loose. Recorded so a future grep of the log doesn't inherit it.
-
----
-
-## What was checked and found clean (so the PASS half is auditable)
-
-- Binary/PDB pairing (`MATCH`), and every disassembly re-derived from that binary
- rather than Binary Ninja.
-- `calc_cross_cells` full body: flag test address, jump target, both primitive
- call sites, and the **fall-through order** including the cylsphere branch's
- skip-past-sorting-sphere `jmp`.
-- `FindObjCollisions` full body: all five cited addresses, the unconditional
- `jmp` past both loops, and identification of `ebp` as the ethereal early-out
- rather than a shape branch.
-- `CacheHasPhysicsBSP` (both classes) bodies + exhaustive rel32/absolute xref scan;
- `InitPartArrayObject` callers; `CPartArray::SetPart` non-recaching.
-- `find_bbox_cell_list` → `calc_cross_cells_static` → `[vtbl+0x7c]` chain.
-- `GetSortingSphere` body (`[+0x54]+0x70`).
-- Retail's 10-sphere cap (`0x0052ba21 cmp eax, 0xa`).
-- 12 distinct cited addresses → symbol, no mis-citation.
-- All four register corrections re-measured from the installed DAT by an
- independent sweep; population 5,935 / 172 / 73 / 99 / 530 reproduced exactly.
-- AP active-row count parsed (107) and reconciled against the `ec29a732` baseline (105).
-- AP-154's `src/` grep claim (exactly 2 hits, second is a mover-state read).
-- ACE's derivation of the wire bit (`WorldObject_Networking.cs:666-669`).
-- Static publishers' `entityBspCount == 0` exclusivity gate.
-- `FromSetup`'s sole production caller is App-layer (Headless-unreachable).
-- `EffectivePartGfxObjId` genuinely shared by step 0 and step 3 — the
- "gate and emission read the same identity" trap is real and its test
- discriminates in both directions.
-- Clean `bin`/`obj` → Release build 0 errors → full suite 11,203 / 4 skip / 0 fail.
-- Two sabotages, both reddening only in the intended direction; tree restored and
- `git status --porcelain` empty.
-
-## Recommended before the connected gate
-
-1. Correct AP-155's Risk column: the approximation is **under**-inclusive for
- 170 of the 172 Setups this commit moved onto it, not over-inclusive.
-2. Carry the BSP root sphere's `Origin` through `ShadowShape` (or offset
- `LocalPosition` by `partFrame.Orientation * rootSphere.Origin`) so the flood
- sphere is concentric with the geometry it stands for. That is a one-field fix
- at `ShadowShapeBuilder.cs:192-199` + `LiveEntityCollisionBuilder.cs:135-139`,
- and it converts F1/F2 from open risk to closed.
-3. Add a non-concentric fixture to `ShadowObjectRegistryMultiPartTests` — the two
- new flood tests both use `LocalPosition = Zero`, which is the one configuration
- where the defect cannot appear.
-4. Fix the stale `RegisterMultiPart` doc (F3) and split AP-155 (F5).
-5. Instruct the connected gate to look for props/doors that **stopped** blocking
- as well as ones that started; 43 Setups shrank.
diff --git a/docs/research/2026-08-06-ap156-fix-review.md b/docs/research/2026-08-06-ap156-fix-review.md
deleted file mode 100644
index 94092d2e..00000000
--- a/docs/research/2026-08-06-ap156-fix-review.md
+++ /dev/null
@@ -1,719 +0,0 @@
-# AP-156 fix review — `b52967de` + `e2b2d04c`
-
-Adversarial dual-lens review of the AP-152 flood-sphere fix, prompted by the
-FAIL in `docs/research/2026-08-06-ap152-review-retail.md`.
-
-Worktree `.claude/worktrees/resume-session-e0bd03e1-d5bf45`, HEAD `e2b2d04c`.
-All 44 `bin`/`obj` deleted before every verdict-deciding build. Six sabotages
-applied and restored; `git status --porcelain` empty at the end.
-
-## VERDICTS
-
-| Lens | Verdict |
-|---|---|
-| **Retail conformance** | **PASS** |
-| **Architecture** | **PASS** |
-
-Three things the brief asked me to settle explicitly:
-
-- **The containment claim — BELIEVED, and true more strongly than asserted.**
- The shipped assertion is algebraically tautological (R1), so I re-derived
- containment independently against physics-polygon **vertices** rather than
- against the root sphere: **0 of 530** BSP-bearing Setups fail after the fix,
- **412** failed before it.
-- **The cap change — the implementer is RIGHT and both prior reviews were
- WRONG.** Byte-verified: the `cmp eax,0xa` clamp is inside the cylsphere
- overload only; the BSP walk is uncapped; `@0x0052b990` pushes a literal `1`.
-- **The shrink argument — CORRECT, and both prior reviews used the wrong
- criterion.** `calc_cross_cells`' BSP branch is reached through an
- unconditional jump past both primitive branches, so retail's flood for these
- objects contains no primitive contribution at all. "Smaller than before" is
- not a defect criterion; containment is. My own sweep reproduces the
- implementer's 143.
-
----
-
-## Part 1 — Independent retail verification
-
-Method: my own Capstone disassembly of the PDB-paired binary
-(`C:\Users\erikn\Downloads\acclient.exe`, `check_exe_pdb.py` → **MATCH**,
-CodeView GUID `9e847e2f-777c-4bd9-886c-22256bb87f32`, linker
-2013-09-06T00:17:56Z, image base `0x400000`), every address cross-resolved
-through `named-retail/symbols.json` and every struct offset cross-checked
-against `named-retail/acclient.h`. Not inherited from the commit, not from the
-prior reviews.
-
-### 1.1 Every cited address resolves to the construct claimed — all 12
-
-`symbols.json` lookup by address:
-
-| Address | Symbol |
-|---|---|
-| `0x0050f050` | `CPhysicsObj::FindObjCollisions` |
-| `0x00510fc0` | `CPhysicsObj::find_bbox_cell_list` |
-| `0x00515230` | `CPhysicsObj::calc_cross_cells` |
-| `0x00518070` / `0x00518090` | `CPartArray::GetSphere` / `GetCylsphere` |
-| `0x00518110` | `CPartArray::CacheHasPhysicsBSP` |
-| `0x00518160` | `CPartArray::calc_cross_cells_static` |
-| `0x00518b00` | `CPartArray::GetSortingSphere` |
-| `0x0052b990` / `0x0052b9f0` | `CObjCell::find_cell_list` (two overloads) |
-| `0x0052cae0` | `CEnvCell::find_transit_cells` |
-| `0x005397e0` | `BSPTREE::GetSphere` |
-| `0x004527f0` | `Position::localtolocal` |
-
-No mis-cited neighbour anywhere in this commit, the register rows, or the
-tests. (I looked specifically, given the mis-cite found earlier this session.)
-
-### 1.2 `BSPTREE::GetSphere` @`0x005397e0` — claim 4b CONFIRMED byte-exact
-
-```
-0x005397e0 8b01 mov eax, dword ptr [ecx] ; BSPTREE::root_node
-0x005397e2 83c004 add eax, 4 ; past BSPNODE::vfptr
-0x005397e5 c3 ret
-```
-
-`acclient.h`: `struct BSPNODE { BSPNODEVtbl *vfptr; CSphere sphere; Plane
-splitting_plane; ... }` and `struct CSphere { AC1Legacy::Vector3 center; float
-radius; }` → radius at `+0xc` of the returned pointer. Retail's per-part flood
-sphere **is** the BSP root bounding sphere, origin included.
-
-`acclient_2013_pseudo_c.txt:319128` (`0x00534b5b`):
-`this->physics_sphere = BSPTREE::GetSphere(this->physics_bsp);` — verbatim.
-
-### 1.3 `physics_sphere` = `[gfxobj+0x74]`, `physics_bsp` = `[+0x78]` — claim 4c CONFIRMED
-
-`acclient.h` `CGfxObj` field order: `... use_built_mesh; CSphere
-*physics_sphere; BSPTREE *physics_bsp; Vector3 sort_center; unsigned
-num_polygons; CPolygon *polygons; CSphere *drawing_sphere; ...` — which places
-`physics_sphere` at `+0x74`, `physics_bsp` at `+0x78`, `drawing_sphere` at
-`+0x90`. Confirmed against code:
-
-```
-CPartArray::CacheHasPhysicsBSP @0x00518110
- 0x00518120 8b32 mov esi,[edx] ; parts[i]
- 0x00518122 8b7620 mov esi,[esi+0x20] ; CPhysicsPart::gfxobj
- 0x00518125 8b36 mov esi,[esi]
- 0x00518127 8b7e78 mov edi,[esi+0x78] ; physics_bsp <-- exact addr
-```
-
-and `find_transit_cells` reads `[ecx+0x74]` with a `[ecx+0x90]` fallback — the
-drawing sphere — which only makes sense with this layout.
-
-### 1.4 `CEnvCell::find_transit_cells` @`0x0052cae0` — claim 4a CONFIRMED, centre-then-radius
-
-```
-0x0052cb31 8b5020 mov edx,[eax+0x20] ; CPhysicsPart::gfxobj
-0x0052cb34 8b0a mov ecx,[edx]
-0x0052cb36 8b7174 mov esi,[ecx+0x74] ; physics_sphere
-0x0052cb39 85f6 test esi,esi
-0x0052cb3d 8bb190.. mov esi,[ecx+0x90] ; else drawing_sphere
-0x0052cb4b 56 push esi ; -> &sphere->center
-0x0052cb4c 83c030 add eax,0x30 ; CPhysicsPart::pos
-0x0052cb4f 50 push eax
-0x0052cb50 8d442434 lea eax,[esp+0x34] ; out
-0x0052cb54 8d5d54 lea ebx,[ebp+0x54] ; cell->pos
-0x0052cb5a e8915cf2ff call 0x4527f0 ; Position::localtolocal
-0x0052cb5f d905708c7c00 fld dword [0x7c8c70] ; F_EPSILON = 1.9999999e-4
-0x0052cb65 d8460c fadd dword [esi+0xc] ; ONLY NOW the radius
-```
-
-`acclient.h` `CPhysicsPart`: `CYpt(0) viewer_heading(4) degrades(0x10)
-deg_level(0x14) deg_mode(0x18) draw_state(0x1c) gfxobj(0x20)
-gfxobj_scale(0x24) pos(0x30)` — both `+0x20` and `+0x30` are exactly what the
-commit says they are.
-
-The call is `cellPos.localtolocal(&out, &part->pos, &sphere->center)`: the
-sphere's **centre** is transformed through the part's own `Position` into the
-cell frame, and the radius is only added afterwards to build the plane test.
-**Carrying the radius alone is a different sphere — the commit's thesis is
-right.**
-
-### 1.5 The 10-sphere cap — settled against the implementer's claim
-
-**Claim: the cap lives only in the cylsphere overload. VERIFIED.**
-
-```
-CObjCell::find_cell_list @0x0052b9f0 (the N-sphere overload)
- 0x0052ba1d 8b442414 mov eax,[esp+0x14] ; count
- 0x0052ba21 83f80a cmp eax,0xa
- 0x0052ba26 760b jbe 0x52ba33
- 0x0052ba28 bd0a0000 mov ebp,0xa ; clamp
- ... copy loop into the STATIC array 0x844838..0x8448d8 (10 x 0x10 stride)
-```
-
-The clamp is a fixed static-buffer capacity, not a policy: the destination
-array is exactly ten 16-byte entries and the guard byte at `0x8448d8` sits
-immediately past it.
-
-```
-CObjCell::find_cell_list @0x0052b990 (the sorting-sphere overload)
- 0x0052b9d6 6a01 push 1 ; literal count of ONE
-```
-
-```
-CPhysicsObj::calc_cross_cells @0x00515230
- 0x00515285 test dword [esi+0xa8],0x10000
- 0x0051528f jne 0x515305 ------------------> 0x0051530c call 0x510fc0 (BSP)
- 0x005152d1 call 0x52b9f0 (cylsphere, capped)
- 0x005152fb call 0x52b990 (sorting sphere, one)
-```
-
-```
-CPhysicsObj::find_bbox_cell_list @0x00510fc0
- loop over cells [esi+8], no clamp
- 0x00511012 call 0x518160
-
-CPartArray::calc_cross_cells_static @0x00518160
- 0x0051816e mov esi,[eax+0x5c] ; parts
- 0x00518171 mov eax,[eax+0x58] ; num_parts
- 0x00518176 call dword [edx+0x7c] ; args (num_parts, parts, cellarray)
-
-CEnvCell::find_transit_cells @0x0052cae0
- inner part loop 0x52cb22 .. 0x52cc76, bound = [esp+0x6c] = num_parts
- outer portal loop, bound = [ebp+0x108]
- NO CLAMP ANYWHERE
-```
-
-**The implementer is correct on all three counts. Both prior reviews passed a
-cap that retail does not have on that branch.** 7 installed Setups exceed 10
-physics-BSP parts (max 49, Setup `0x02001A91` — reproduced independently), and
-their tail parts were previously dropped from the flood outright. The change is
-a correctness improvement in the same direction as the rest of the commit.
-
-### 1.6 `CPartArray::GetSortingSphere` @`0x00518b00` (AP-157's anchor)
-
-```
-0x00518b67 8b4654 mov eax,[esi+0x54]
-0x00518b6f 83c070 add eax,0x70
-```
-
-Exactly `[partArray+0x54] + 0x70`. `acclient.h` `CSetup` places
-`CSphere sorting_sphere` immediately after `step_up_height`. AP-157's citation
-holds.
-
-### 1.7 Two retail facts the commit did not use, both relevant
-
-**`CObjCell::find_obj_collisions` @`0x0052b750` has no distance pre-filter.**
-Pseudo-C `308916-308940`: it walks `shadow_object_list` and calls
-`CPhysicsObj::FindObjCollisions` on every non-parented, non-self entry
-unconditionally. So the `maxReach` early-out at
-`src/AcDream.Core/Physics/TransitionTypes.cs:3763` — `sphereRadius +
-obj.Radius + movement.Length() + 2f` — is entirely acdream's own invention with
-no retail counterpart. **#333's characterisation is correct.** See A2.
-
-**Retail's own slack constant is 0.0002 m, not 2 m.** `0x0052cb5f fld dword
-[0x7c8c70]` reads `1.9999999494757503e-4` (`F_EPSILON`). Anchor for whoever
-fixes #333.
-
-**Retail's cross-cell walk ignores part scale; its collision does not.**
-`find_transit_cells` uses only `CPhysicsPart::pos` (`+0x30`) and never
-`gfxobj_scale` (`+0x24`), while `CPhysicsPart::find_obj_collisions`
-@`0x0050d8d0` explicitly passes `gfxobj_scale.z` into
-`SPHEREPATH::cache_localspace_sphere`. See R4.
-
----
-
-## Part 2 — Independent DAT re-derivation
-
-Scratch console program **outside the repo**, referencing only
-`Chorizite.DatReaderWriter 2.1.7` — deliberately **not** `AcDream.Core`, so
-nothing under test is in the loop. Every number recomputed by hand from the
-installed `client_portal.dat`.
-
-| Quantity | Committed constant | My measurement |
-|---|---|---|
-| Setups | 5935 | **5935** |
-| with CylSphere | 678 | **678** |
-| Sphere-only, no CylSphere | 3605 | **3605** |
-| without any primitive | 1652 | **1652** |
-| with a physics-BSP part | 530 | **530** |
-| physics-BSP parts | 973 | **973** |
-| off-centre parts (`\|o\| > r/2`) | 376 | **376** |
-| affected (primitive + BSP) | 172 (73 cyl / 99 sph) | **172 (73 / 99)** |
-| deepest BSP part array | 49, `0x02001A91` | **49, `0x02001A91`** |
-| Setups with > 10 BSP parts | 7 | **7** |
-| worst part-origin offset | 20.762 m on gfx `0x010036DD` (r 27.708) | **20.762 m, gfx `0x010036DD`, r 27.708** |
-| affected Setups failing containment pre-fix | 170 | **170**, worst 17.345 m at scale 1.75 = **9.911 m at scale 1**, Setup `0x02000255` |
-| affected Setups failing post-fix | 0 | **0** |
-| 143-shrink claim | 143 of 172 | **143** |
-| max Spheres on any Setup (AP-157) | 5 | **5** (`0x020016F7`) |
-| non-zero `SortingSphere` (AP-157) | 4154 | **4154** |
-
-Every external constant reproduces exactly, including the 9.911 m figure once
-the 1.75 test scale is divided out.
-
-### The stronger, genuinely independent containment result
-
-Instead of comparing the flood sphere to the root sphere (which is circular —
-see R1), I transformed **every physics-polygon vertex** of every physics-BSP
-part into the same world frame and asked whether some emitted flood sphere
-covers it:
-
-```
-VERTEX containment failures: after the fix = 0 before the fix = 412
-```
-
-Zero across all 530 BSP-bearing Setups. **I believe the containment claim.**
-
----
-
-## Part 3 — Sabotage reproduction
-
-Six of the nine claimed sabotages reproduced, including C, H and I as
-requested. Each applied, clean-built, run, reverted.
-
-| # | Sabotage | Claimed | Observed |
-|---|---|---|---|
-| A | `BuildFloodSpheres`: `world = partWorldPos` | 3 Core | **4 Core** (`FromSetup_CylSphereAndBspSetup_FloodsTheBspFootprint`, `_CapsCylSpheresAtTenButNeverTheBspParts`, `_RotatesTheBoundsCentre…`, `_CentresOnTheBoundsCentre…`) |
-| C | `FromSetup` `boundsCenter = Vector3.Zero` (the shipped defect) | 1 Core + 2 App + 1 Content | **1 Core + 2 App + 1 Content** ✓ |
-| D | drop `* entScale` on `boundsCenter` | 2 App + 1 Content | **2 App + 1 Content** ✓ |
-| E | landblock flat branch `localCenter = Zero` | 1 Core | **1 Core** ✓ |
-| H | `int cap = RetailSphereCap` (all branches) | 1 Core | **1 Core** ✓ |
-| I | cap removed from the cylsphere branch | 1 Core | **1 Core** ✓ |
-
-The claimed counts are honest; A is understated by one, i.e. coverage is
-slightly better than advertised (A5).
-
-**Trap encountered and avoided:** the naive form of sabotage I
-(`int cap = int.MaxValue`) makes `RetailSphereCap` unused, which is
-`error CS0219` under `TreatWarningsAsErrors`. The build fails, the stale
-sabotage-H DLL survives, and the run reports H's failure as I's. I caught it by
-grepping the build output for `Build succeeded` before every test run. Anyone
-re-running these must do the same.
-
-The fixtures are genuinely off-centre now. `ShadowObjectRegistryMultiPartTests.Bsp()`
-defaults `BoundsCenter` to `(0, 6, 0)` and requires an explicit `(0.001, 0, 0)`
-to get a near-concentric sphere;
-`LiveEntityCollisionBuilderTests.Bsp()` defaults `centerZ = 1.25`;
-`ShadowRegistrationOverflowTests.BspGfx()` defaults `centerZ = 0.75`. The
-concentric `Radius = 14f` at `LocalPosition = Zero` configuration the prior
-review named is gone from every flood fixture.
-
----
-
-## Part 4 — `FromLandblockBspParts` (neither prior review looked)
-
-`src/AcDream.Core/Physics/ShadowShapeBuilder.cs:268-334`.
-
-- **The same discard existed.** Pre-fix the method computed only
- `localRadius = flat.Nodes[flat.RootIndex].BoundingSphere.Radius` (or
- `phys.BoundingSphere?.Radius`) and emitted the shape at `pPos`. Identical
- defect, on stair runs, fences and rock clusters.
-- **Both storage branches are fixed.** Flat (`:310-315`) and graph fallback
- (`:316-320`) each take `Origin` alongside `Radius`.
- `ShadowRegistrationOverflowTests.FromLandblockBspParts_CarriesTheScaledRootSphereCentre`
- asserts both explicitly; sabotage E reddens the flat branch (verified) and
- the same test carries the graph assertion.
-- **`partScale` is applied correctly.** `Matrix4x4.Decompose` yields
- `M = S·R·T`, so a point `v` in the part's own frame maps to root space as
- `pPos + rotate(v · pScale, pRot)`. The code emits
- `LocalPosition = pPos` (unscaled — correct, the translation is already
- absolute in root space), `Radius = localRadius * partScale`,
- `BoundsCenter = localCenter * partScale`, `Scale = partScale`. That composes
- exactly as `BuildFloodSpheres` and as `TransitionTypes`' BSP transform
- (`local * obj.Scale`, rotate, `+ obj.Position`) consume it.
-
-Also verified: the two other `new ShadowShape(...)` sites in `src/`
-(`LandblockPhysicsPublisher.cs:1003,1030` and
-`LandblockPhysicsContentBuilder.cs:658,683`) emit **Cylinder** shapes only, for
-which `BoundsCenter == Zero` is correct by definition. There is no third BSP
-producer.
-
----
-
-## Part 5 — Is `BoundsCenter` the right seam?
-
-**Yes. The implementer's rebuttal of the `LocalPosition`-offset suggestion is
-correct, and I verified the reason rather than taking it.**
-
-`ShadowEntry.Position` is load-bearing in three distinct ways:
-
-1. **BSP world origin.** `TransitionTypes.cs:3862-3898` transforms the mover's
- spheres by `Vector3.Transform(sphere.Origin - obj.Position, invRot) *
- invScale` and passes `worldOrigin: obj.Position` into
- `CollisionTraversal.FindCollisions`. The physics BSP is authored about the
- **part origin**, so shifting `Position` to the bounding-sphere centre would
- translate every collision polygon by the offset — up to 20.762 m.
-2. **Broadphase reach.** `TransitionTypes.cs:3757`.
-3. **Cylinder XY distance.** `TransitionTypes.cs:3760`.
-
-Moving `LocalPosition` would break (1) outright. A separate field is the only
-correct seam.
-
-**Consistency audit — every site that composes a shape's world placement:**
-
-| Site | Uses | Correct? |
-|---|---|---|
-| `ShadowObjectRegistry.cs:474-490` `RegisterMultiPart` → `ShadowEntry` | `LocalPosition` only | ✓ (BSP frame) |
-| `:578-593` `ReplaceMultiPartPayload` → `ShadowEntry` | `LocalPosition` only | ✓ |
-| `:1484-1500` suspended-owner restore → `ShadowEntry` | `LocalPosition` only | ✓ |
-| `:691-693` `BuildFloodSpheres` | `LocalPosition` **+ rotate(BoundsCenter, partWorldRot)** | ✓ |
-| `:773`, `:1648`, `:2231` reflood / transfer | delegate to `RegisterMultiPart` | ✓ |
-
-`BuildFloodSpheres` is the single flood site (`UpdatePosition` routes through
-`RegisterMultiPart`), and no site reads the old semantics. The one place the
-new field is *missing* and should eventually be present is `ShadowEntry` itself
-— that is #333 (A2).
-
-`ReplaceMultiPartPayload` deliberately does not re-flood; that matches retail
-(`CPartArray::SetPart` changes the part read by later tests and does not
-recalculate cross-cells). Not a finding.
-
----
-
-## Part 6 — Is the shrink argument right?
-
-**Yes. Settle it in favour of the implementer.**
-
-Prior review F2 counted 43 Setups whose post-`4abd1b5e` flood was not a
-superset of the pre-`4abd1b5e` one and called it a new under-inclusive defect.
-My sweep puts the post-`b52967de` number at **143 of 172** — larger, exactly as
-the implementer says.
-
-That is not a defect, because retail's flood for a BSP-bearing object contains
-**no primitive contribution at all**:
-
-```
-0x00515285 test dword [esi+0xa8],0x10000
-0x0051528f jne 0x515305 ; -> find_bbox_cell_list, and it never returns
- ; into 0x005152d1 / 0x005152fb
-```
-
-The cylsphere branch (`0x005152d1`) and the sorting-sphere branch
-(`0x005152fb`) are both below that jump and unreachable from it — I read the
-control flow, not a summary of it. `find_bbox_cell_list` seeds the object's own
-cell (`0x00510fd5` → `0x00510fe2 call 0x6b4ff0`) and then walks the part array;
-nothing else contributes.
-
-So for `0x0200086E` — F2's worst case, whose Sphere reached `z ≈ 11.68` while
-its BSP parts reach `z ≈ 9.0` — **retail also reaches only `z ≈ 9.0`.** The
-pre-commit flood was larger because it included a primitive `calc_cross_cells`
-never reads. Shrinking toward the BSP set is convergence, not regression.
-
-The criterion that *does* discriminate is containment, and it now holds at
-vertex level for all 530 (Part 2).
-
-**What this means for the connected session** (the practical point):
-"props that stopped blocking" is **not** by itself a bug report. The question
-to ask of any such observation is whether the object's own BSP geometry still
-reaches the cell it stopped blocking from. If it does, that is a bug; if it
-does not, that is retail. Conversely, "a tall prop that still does not block"
-is the expected symptom of #333, not of this fix (A2).
-
----
-
-## Findings — retail lens
-
-### R1 (MEDIUM) — the shipped containment assertion is algebraically tautological
-
-`tests/AcDream.Content.Tests/InstalledSetupBspPrimitiveDispatchTests.cs:266-341`.
-
-`truth` is built at `:282-284` as
-`(partOrigin + rotate(b.Origin, partRot)) * EntScale` from the **same**
-`Bounds()` resolver, over the **same** part set (the gate at `:299` is
-`id => Bounds(id) is not null`), with the **same** placement-frame priority
-(`:259-264` mirrors `ResolvePlacementFrame`). `flood` is built at `:314-317` as
-`shape.LocalPosition + rotate(shape.BoundsCenter, shape.LocalRotation)`, and
-`FromSetup` sets `LocalPosition = partFrame.Origin * entScale`,
-`BoundsCenter = b.Origin * entScale`, `LocalRotation = partFrame.Orientation`.
-The two expressions are identical by algebra, so `Shortfall(flood) ≡ 0` for
-**any** DAT content and any future DAT.
-
-Concrete failure scenario: if a later change made `FromSetup` read the wrong
-GfxObj's bounding sphere in *both* the resolver and the emission — say a
-`SetupId`/`GfxObjId` mix-up inside `Bounds()` — this assertion stays green
-while every flood sphere in the game moves.
-
-It is still a useful change-detector (sabotages C and D redden it, verified),
-and `ExpectedWouldFailIfOriginDiscarded = 170` is a real, non-circular
-measurement of the defect. But the commit body's framing — *"an installed-DAT
-containment sweep asserting every emitted BSP flood sphere contains that part's
-real bounding sphere"* — overstates what the code proves.
-
-Cheap fix: compare against physics-polygon vertices (`gfx.PhysicsPolygons` →
-`gfx.VertexArray.Vertices`) instead of against the root sphere. I ran exactly
-that and it passes 0/530, so adopting it costs nothing and makes the assertion
-mean what it says.
-
-### R2 (MEDIUM) — the defect population is understated 2.4×
-
-The commit, AP-156 and both prior reviews all scope the defect to "170 of the
-172" AP-152 Setups. After `4abd1b5e` **every** BSP-bearing Setup floods from
-its BSP shapes only, so the discarded origin mis-placed the flood for all of
-them, not just the ones that also carry a primitive. Measured:
-
-```
-vertex-containment failures with the origin discarded = 412 of 530
-```
-
-The 172 subset is AP-152's population, not AP-156's. The biggest single mover I
-found — `gfx 0x010036DD`, 20.762 m offset on a 27.708 m sphere, in Setup
-`0x0200129A` — is cited in the commit for its offset but its Setup is not
-necessarily in the 172.
-
-Consequence for the live gate: the user should be told the change touches
-**412 installed Setups**, and that the objects most likely to look different
-are not confined to the 73 CylSphere + 99 Sphere lists the commit body names.
-
-### R3 (LOW) — the uncapped third branch is *further* from retail than the 10-cap was
-
-`src/AcDream.Core/Physics/ShadowObjectRegistry.cs:674`:
-
-```csharp
-int cap = only == ShadowCollisionType.Cylinder ? RetailSphereCap : int.MaxValue;
-```
-
-`only == null` is the sorting-sphere branch. The commit's own justification for
-lifting the cap there is *"the sorting-sphere overload @0x0052b990 takes one
-sphere"* — which argues for a cap of **1**, not `int.MaxValue`. The cited
-evidence does not support the code written.
-
-Inert over installed data (I measured max 5 Spheres on any Setup, `0x020016F7`;
-max 7 CylSpheres), and AP-157 registers the substitution honestly. But the
-comment block at `:664-673` reads as though it justifies the whole line when it
-only justifies the BSP half.
-
-### R4 (LOW) — acdream scales the flood sphere; retail does not — unregistered
-
-`ShadowShapeBuilder.cs:217` (`boundsCenter * entScale`) and `:330`
-(`localCenter * partScale`) are new in this commit. Retail's
-`find_transit_cells` uses only `CPhysicsPart::pos` (`+0x30`) and never touches
-`gfxobj_scale` (`+0x24`), while `CPhysicsPart::find_obj_collisions`
-@`0x0050d8d0` explicitly threads `gfxobj_scale.z` into
-`SPHEREPATH::cache_localspace_sphere`. Retail's cross-cell walk is therefore
-under-inclusive for scaled parts and acdream's is not.
-
-Radius scaling predates this commit; centre scaling does not. Direction is
-over-inclusive for `scale > 1` (safe) and under-inclusive for `scale < 1`
-(the #98/#168 direction). Deserves a sentence in AP-156's residual paragraph;
-the row currently lists only the sphere-vs-portal traversal.
-
-### R5 (INFO) — retail's slack constant, for whoever fixes #333
-
-`0x0052cb5f fld dword [0x7c8c70]` = `1.9999999494757503e-4` — the same
-`F_EPSILON` AP-30 already byte-confirmed for `Frame::is_equal`. Retail's
-cross-cell sphere test is `radius + 0.0002`, not `radius + 2`.
-
----
-
-## Findings — architecture lens
-
-### A1 (MEDIUM) — `BoundsCenter = default` reopens, at the type, the exact hole the commit closed at the seam
-
-`src/AcDream.Core/Physics/ShadowShape.cs:61`:
-
-```csharp
-Vector3 BoundsCenter = default);
-```
-
-The commit's central structural claim is that *"the gate and the geometry
-cannot disagree, and the radius cannot be taken while the origin is dropped.
-That split is what produced this bug; it no longer exists."* That is true at
-the `LiveEntityCollisionBuilder`/`FromSetup` seam — genuinely well done, and
-the single-resolver collapse is the right call.
-
-It is **not** true of `ShadowShape` itself. This still compiles today:
-
-```csharp
-new ShadowShape(gfxId, pos, rot, scale, ShadowCollisionType.BSP, radius, 0f)
-```
-
-and silently reproduces AP-156 with a zero centre. Every current BSP producer
-passes it, so nothing is broken now — but a future BSP producer (a new static
-publisher, a plugin-facing builder, a bake path) gets the old bug for free,
-green.
-
-Concrete failure scenario: someone adds a BSP branch to
-`LandblockPhysicsContentBuilder` (which today emits Cylinders at `:658,683`
-with no `BoundsCenter`), copies the existing 7-argument call shape, and
-reintroduces a 20 m flood mis-placement with no test failing.
-
-Fix: drop the default and pass `Vector3.Zero` explicitly at the two
-primitive sites in `ShadowShapeBuilder` and the four in the publishers. Six
-call sites, and the type then enforces the invariant the commit body claims.
-
-### A2 (MEDIUM) — #333 is a real defect, correctly identified, but deferring it can mask this fix's entire visible benefit
-
-`e2b2d04c` is honest and well-reasoned: the broadphase at
-`TransitionTypes.cs:3757-3765` measures `currPos - obj.Position` (the **part
-origin**) against `sphereRadius + obj.Radius + movement + 2f`, where
-`obj.Radius` is the root sphere's radius measured about a centre that may be
-metres away. Same discarded origin, one layer down.
-
-I confirmed the two things the issue could not:
-
-- **Retail has no such filter at all.** `CObjCell::find_obj_collisions`
- @`0x0052b750` (pseudo-C 308916-308940) dispatches every non-parented,
- non-self shadow object to `CPhysicsObj::FindObjCollisions` unconditionally.
- The `+ 2f` and the movement term are acdream's own. The issue's "looks like
- acdream's own broadphase rather than a port" is **correct**, and this is an
- unregistered divergence that predates the commit — it should carry an AP row,
- not only an issue number.
-- **Its blast radius is large.** A genuine surface contact is rejected when
- `|offset| > sphereRadius_mover + movement + 2` — roughly 2.5 m for a walking
- player. **118 of the 477 unique installed physics-BSP GfxObjs** have a root
- sphere offset above 2.5 m, and **46** above 5 m. At the test scale 1.75 those
- become 4.4 m and 8.75 m against an unchanged ~2.5 m budget.
-
-The issue's own one-line summary is slightly imprecise — it says contact is
-admitted "only when the sphere's centre is within about `movement + 2` metres
-of the part origin", where the correct statement is about the **mover's**
-distance from the part origin versus `R + r_m + move + 2`. The conclusion is
-unchanged.
-
-Deferral judgement: the split is defensible on attributability grounds (it is
-literally the AP-155 lesson), and I would not have bundled a *retail-question*
-fix. But the practical consequence must be stated plainly to the user rather
-than left in an issue body: **for the tall props with the largest offsets —
-exactly the objects the commit body tells the user to go look at — the fix may
-produce no visible change at all**, because the geometry now lands in the right
-cell and is then discarded by the filter. If the connected gate is run before
-#333, a null result on tall props is expected, not evidence against AP-156.
-
-The minimal correct fix is mechanical (carry `BoundsCenter` on `ShadowEntry`
-and measure from `obj.Position + rotate(BoundsCenter, obj.Rotation)`); only the
-`+ 2f` question is genuinely open, and it is open independently of that.
-
-### A3 (LOW) — a cached field became a per-call delegate allocation
-
-`src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs:136`:
-
-```csharp
-id => _physicsBspBounds(id) is not null,
-```
-
-replaces the cached `_hasPhysicsBsp` field. The lambda captures `this`, so
-Roslyn allocates a fresh `Func` on every `Build` call. `Build` is
-per-entity-spawn / per-appearance-rebuild, not per-frame, so this is small —
-but the project has spent a whole slice (I1) driving physics-path resolves to
-0 B, and a `private readonly Func _hasBounds` initialised once in
-both constructors costs nothing and keeps the single-resolver invariant intact.
-
-Also: the new resolver indexes `flat.Nodes[flat.RootIndex]` where the old gate
-only compared `RootIndex >= 0`. A `FlatPhysicsBsp` with `RootIndex >= 0` and an
-empty `Nodes` array would now throw where it previously returned `true`. I
-found no way to construct one from `FlatCollisionAssetBuilder`, so this is a
-note, not a defect.
-
-### A4 (LOW) — uncapping the BSP branch raises a per-tick cost for moving remotes
-
-`RuntimeRemotePhysicsUpdater.cs:482` re-floods a remote through
-`RegisterMultiPart` on every tick it actually moves, and `RegisterMultiPart`
-writes every shape row into every flooded cell. Lifting the cap changes the
-flood input from ≤10 spheres to up to 49, and the row count is
-`parts × cells` — both factors grow together.
-
-Bounded in practice: only 7 installed Setups exceed 10 BSP parts, landblock
-part arrays are static and register once, and this is what retail does
-(`add_shadows_to_cells` @`0x00514ae0` → `CPartArray::AddPartsShadow` walks the
-whole part array into every cross-cell). Worth a glance in the connected
-session if a dense indoor scene with a many-part animate prop regresses; not
-worth pre-emptive work.
-
-### A5 (LOW) — sabotage A reddens 4 Core tests, not 3
-
-Reproduced: `FromSetup_CylSphereAndBspSetup_FloodsTheBspFootprint`,
-`BuildFloodSpheres_CapsCylSpheresAtTenButNeverTheBspParts`,
-`BuildFloodSpheres_BspShape_RotatesTheBoundsCentreByThePartRotation`,
-`BuildFloodSpheres_BspShape_CentresOnTheBoundsCentreNotThePartOrigin`.
-Coverage is one better than the commit body claims; the ledger is simply stale
-by one line.
-
-### A6 (LOW) — the Content test's "cap control" does not test the cap
-
-`InstalledSetupBspPrimitiveDispatchTests.cs:302-308` comments that *"EVERY BSP
-shape contributes … capping here would silently exclude their tail from the
-containment claim below"*, and `:365` asserts
-`mostBspShapesOnOneSetup == 49`. But that loop (`:311-319`) is the test's own
-re-implementation of the composition with **no cap**, so it cannot observe a
-cap regression in `BuildFloodSpheres`. I confirmed empirically: under sabotage
-H the Content suite stayed 127/127 green.
-
-The cap is genuinely covered — by
-`BuildFloodSpheres_CapsCylSpheresAtTenButNeverTheBspParts` (sabotages H and I
-both redden it, verified). The comment just claims coverage that lives
-elsewhere.
-
----
-
-## Gates reproduced
-
-All after deleting all 44 `bin`/`obj`.
-
-| Gate | Claimed | Observed |
-|---|---|---|
-| Release build | 0 errors, 21 pre-existing warnings | **0 errors, 21 warnings** ✓ |
-| Complete suite | 11,208 / 4 skipped / 0 failed | **11,208 / 4 / 0** ✓ |
-| Core | 4268 | **4268** (1 skip) ✓ |
-| Content | 127 | **127** (0 skips) ✓ |
-| App | unchanged, one rename | **4173** (3 skips) ✓ |
-| Delta vs `4abd1b5e` | +5 | consistent: +4 Core (3 in `ShadowObjectRegistryMultiPartTests`, 1 in `ShadowRegistrationOverflowTests`) +1 Content, App rename only. Baseline **not** independently re-run — I did not check out `4abd1b5e` in a worktree another agent may share. |
-| Active AP register rows | 109 | **109**, literal count of non-struck `AP-` rows in section 3 ✓ (AD 48, IA 18, UN 4) |
-
-Suite run twice — once on the pristine tree before any sabotage, once on a
-fully clean rebuild after every restore. Identical both times. No flake from
-#302 / #308 / #321 was hit; nothing was conflated with them.
-
-## Rules compliance
-
-- **No workaround, suppression flag, grace period, retry loop or symptom
- guard** anywhere in the diff. The fix is at the source: the resolver that
- answers "does this dispatch as BSP?" is now the same one that answers "where
- and how big is its sphere?".
-- **No new skips.** 4 skipped, all pre-existing.
-- **No test weakened.** `BspOnlyPart_UsesRealScaledPhysicsBoundingRadius` →
- `…BoundingSphere` is a rename that **adds** an assertion; the
- `LiveAppearanceAnimationTests` and `Builder()` edits drop a now-merged
- parameter with no behavioural change. Every flood fixture moved from
- concentric to off-centre, which is strictly stronger.
-- **Register discipline honoured.** AP-155 narrowed with its false direction
- corrected, AP-156 and AP-157 filed, AP-152 retired, count reconciles at a
- literal 109 — all in the same commit as the code. This is the register rule
- working as designed: AP-155(b)'s recorded direction was the *stated reason*
- the residual was safe to defer, and it was backwards.
-
-## What I checked and found clean, so the PASS is auditable
-
-- All 12 cited retail addresses resolve to the named symbol; no mis-cite.
-- `BSPTREE::GetSphere`, `find_transit_cells`, `find_bbox_cell_list`,
- `calc_cross_cells_static`, `calc_cross_cells`, both `find_cell_list`
- overloads, `CacheHasPhysicsBSP`, `GetSortingSphere` — all disassembled from
- the PDB-paired binary, not inherited.
-- `CGfxObj`, `CPhysicsPart`, `BSPNODE`, `CSphere`, `CSetup` field offsets
- cross-checked against `acclient.h` and against the code that reads them.
-- Every `new ShadowShape(...)` site in `src/` (8) classified; only two emit BSP
- and both carry the centre.
-- Every site that composes a shape's world placement (5) classified; none reads
- the old semantics.
-- Every `BuildShadowCellSet` caller (2) classified; the single-shape
- `Register` overload has no production BSP caller.
-- `FlatPhysicsBsp.Nodes[RootIndex].BoundingSphere` traced to
- `gfxObj.PhysicsBSP.Root.BoundingSphere` in both `PhysicsDataCache`
- population paths (`:216`, `:281-287`) and in
- `FlatCollisionAssetBuilder` (`:84`, `:393`) — acdream's seam is retail's
- `physics_sphere`.
-- `ReplaceMultiPartPayload`'s no-reflood behaviour checked against
- `CPartArray::SetPart` semantics — retail-faithful.
-- Quaternion composition order (`entityWorldRot * s.LocalRotation`, then
- `Vector3.Transform(BoundsCenter, partWorldRot)`) checked against the inverse
- transform in `TransitionTypes.cs:3859-3876` — consistent.
-- Six sabotages reproduced; tree confirmed clean by `git status --porcelain`
- before and after.
-
----
-
-## Recommended, in priority order
-
-1. Tell the user the live-gate criterion is **containment, not size**, and that
- "a prop stopped blocking" is only a bug if its own BSP geometry still
- reaches the cell (Part 6). State the population as **412 Setups** (R2).
-2. Warn that tall props with large offsets may show **no change** until #333
- lands, and that a null result there is expected (A2).
-3. Fix #333 — it is mechanical apart from the `+ 2f` question — and give the
- `maxReach` filter its own AP row, since retail has no such filter at all
- (A2).
-4. Make `ShadowShape.BoundsCenter` required (A1).
-5. Swap the Content containment oracle to physics-polygon vertices (R1) — it
- passes today, costs nothing, and makes the load-bearing assertion mean
- what it says.
-6. Add the scale sentence to AP-156's residual paragraph (R4).
diff --git a/docs/research/2026-08-06-ap156-review-closure.md b/docs/research/2026-08-06-ap156-review-closure.md
deleted file mode 100644
index 36d60924..00000000
--- a/docs/research/2026-08-06-ap156-review-closure.md
+++ /dev/null
@@ -1,218 +0,0 @@
-# AP-156 fix review — closure record
-
-Closes the six findings in
-[`2026-08-06-ap156-fix-review.md`](2026-08-06-ap156-fix-review.md) (both lenses
-PASS; this is cleanup before merge, not a rescue). Worktree
-`.claude/worktrees/resume-session-e0bd03e1-d5bf45`, base `e2b2d04c`.
-
-All 44 `bin`/`obj` deleted before every verdict-deciding build, and every test
-run gated on a grep for `Build succeeded` in the same invocation — the trap the
-review documented (a sabotage that trips `CS0219` under
-`TreatWarningsAsErrors` fails the build and lets the *previous* sabotage's DLL
-report the wrong failure) was not hit.
-
----
-
-## R1 — the containment oracle now discriminates
-
-**Done.** `InstalledSetupBspPrimitiveDispatchTests` no longer compares the
-emitted flood sphere against a hand-rebuilt copy of the same sphere. It
-transforms every **physics-polygon vertex**
-(`GfxObj.PhysicsPolygons` → `GfxObj.VertexArray.Vertices`) of every physics-BSP
-part into the entity frame and asserts some emitted flood sphere covers it.
-Vertices are a different DAT field from the bounding sphere, so the two sides of
-the comparison are no longer the same expression. Renamed to
-`InstalledSetups_BspFloodSpheres_ContainTheirOwnPhysicsPolygons`.
-
-New population + defect controls: 973 physics-BSP parts, 530 BSP-bearing
-Setups, 376 off-centre parts, **91,689** physics vertices, 428 pre-fix
-failures, deepest part array 49. Every one measured first by a scratch
-DatReaderWriter console program **outside the repo** that references no acdream
-assembly, then reproduced exactly through the production builder.
-
-**Sabotage-verified, three ways, each after a full clean and a verified
-`Build succeeded`:**
-
-| # | Sabotage | Result |
-|---|---|---|
-| S1 | `ShadowShape.Bsp` drops the bounds centre (the AP-156 defect itself) | **RED — 428 Setups, worst 35.869 m on 0x0200129A** (matches the independent sweep exactly) |
-| S2 | `ShadowShape.Bsp` applies the scale to the radius but not the centre | **RED — 326 Setups, worst 15.288 m** |
-| S3 | the TEST's own `Bounds()` oracle corrupted (`bs.Origin` negated) | **RED — 467 Setups, worst 72.134 m** |
-| S1b | same sabotage, run against Core rather than Content | **RED — 5 tests**: the 4 the review's sabotage A found, plus `ShadowRegistrationOverflowTests.FromLandblockBspParts_CarriesTheScaledRootSphereCentre`, which sabotage A could not reach because it only touched `BuildFloodSpheres`. The factory refactor makes both BSP producers share one scaling path, so one sabotage now covers both. |
-| — | restored | **GREEN — 127/127 Content, 4,268/1 skip Core** |
-
-S3 is the one that matters for R1. Under the shipped oracle that same
-corruption was invisible by algebra: `truth` was
-`(partOrigin + rotate(O, R))·s` and `flood` was
-`LocalPosition + rotate(BoundsCenter, R)` = `partOrigin·s + rotate(O·s, R)`, so
-negating `O` moved both sides identically and the shortfall stayed ≡ 0. The
-vertex oracle catches it. That is the tenth green-test-covering-nothing this
-campaign, and this is the direction of sabotage that proves it is closed —
-breaking the production code was never the hard half.
-
-## R2 — population corrected, and refined
-
-**Done, with a refinement the review will want.** The review says 412, not
-"170 of 172". Both figures are right about different things, and neither is the
-number to quote to the user:
-
-| Question | Answer |
-|---|---|
-| Setups carrying both a primitive and a physics-BSP part (AP-152's DISPATCH population) | **172** of 5,935 |
-| BSP-bearing Setups (AP-156's population) | **530** |
-| …whose flood sphere actually MOVES because of the fix | **525** |
-| …failing vertex-level containment before the fix, 1 mm tolerance | **428** |
-| …failing at a 1 cm tolerance | **412** ← the review's figure |
-| …failing after the fix, at any tolerance down to zero | **0** |
-
-The 412/428 gap is 16 Setups whose pre-fix shortfall lands between 1.4 mm and
-10 mm — real geometry, three orders of magnitude above float noise at these
-radii, not a measurement artifact. The test keeps its existing 1 mm tolerance
-and therefore pins **428**; the register records both and names the tolerance,
-because a bare "412" is unreproducible without it.
-
-**The number to tell the user is 525** — Setups whose behaviour changes — not
-172, and not 412. Corrected in the AP-156 row, the section-3 header, the C5c
-handoff, and the two stale test docstrings. The dated review documents
-(`2026-08-06-ap152-review-retail.md`, and the fix review itself) are left
-as written: "170 of 172" was correct for what those reviews measured
-(root-sphere containment over the 172), and rewriting a dated evidence
-artifact to match a later measurement is how provenance gets lost.
-
-The commit's own record cannot be corrected in place — `b52967de` is HEAD~1 and
-amending it would rewrite published history. This document plus the register row
-is that correction.
-
-## A1 — the hole is closed at the type
-
-**Done, and deliberately stronger than the review's recommendation.** The review
-suggested dropping the `= default` and passing `Vector3.Zero` explicitly at six
-call sites. That does **not** close the review's own failure scenario: someone
-adding a BSP branch to `LandblockPhysicsContentBuilder` by copying the adjacent
-Cylinder call would then write `Vector3.Zero` explicitly and get the same
-20 m mis-placement, still green.
-
-Instead `ShadowShape`'s constructor is now **private**, and the three factories
-are the only way to build one:
-
-```csharp
-ShadowShape.Bsp(gfxObjId, localPosition, localRotation, scale, FlatCollisionSphere localBounds)
-ShadowShape.Cylinder(gfxObjId, localPosition, localRotation, scale, radius, cylHeight)
-ShadowShape.Sphere(gfxObjId, localPosition, localRotation, scale, radius)
-```
-
-`Bsp` takes the radius and the centre as **one `FlatCollisionSphere` value** and
-scales them together inside the factory. There is no longer an expression a
-caller can write that carries one and drops the other — which is the commit
-body's own claim ("the radius cannot be taken while the origin is dropped"),
-now true of the type and not only of the `FromSetup` seam. 22 construction
-sites converted; S1 and S2 above are exactly the two ways the factory could
-still be got wrong, and both are red.
-
-Residual, recorded rather than fixed: `default(ShadowShape)` remains
-constructible because C# structs always have a parameterless constructor. It
-yields `CollisionType = BSP, Radius = 0` — inert, and no production path
-produces one.
-
-## A2 — #333 updated, AP-158 filed, and the retail claim independently verified
-
-**Done.** I disassembled `CObjCell::find_obj_collisions` @`0x0052b750` myself
-from the PDB-paired binary (`check_exe_pdb.py` → **MATCH**, CodeView GUID
-`9e847e2f-777c-4bd9-886c-22256bb87f32`, linker 2013-09-06T00:17:56Z) rather
-than inheriting the claim, because Binary Ninja drops flag tests and that has
-bitten this campaign repeatedly:
-
-```
-0x0052b759 cmp dword [ebx+0x174], 2 ; sphere_path.insert_type
-0x0052b765 je 0x52b7a0 ; INITIAL_PLACEMENT_INSERT -> return OK_TS
-0x0052b773 mov ecx,[edi+0xc8] ; shadow_object_list.data
-0x0052b77f mov edx,[ecx+0x40] ; physobj->parent -> skip if set
-0x0052b786 cmp ecx,[ebx] ; self -> skip
-0x0052b78b call 0x50f050 ; FindObjCollisions — UNCONDITIONAL
-0x0052b79e jb 0x52b773 ; loop, bound [edi+0xc4]
-```
-
-The single early-out is a transition-state test, not a distance test — the whole
-function is 0x54 bytes and there is no float comparison in it. Confirms the
-review: **retail has no distance pre-filter at all**, so acdream's
-`sphereRadius + obj.Radius + movement.Length() + 2f` is an invention.
-`[ebx+0x174]` resolves to `sphere_path.insert_type` against `acclient.h`'s
-`CTransition` layout and the pseudo-C at 308916-308940 agrees.
-
-Blast radius reproduced independently: **118 of the 477** unique installed
-physics-BSP GfxObjs exceed the ~2.5 m budget, **46** exceed 5 m.
-
-Filed as **AP-158** — the filter had no register row at all — carrying the
-disassembly, the `F_EPSILON` = 1.9999999e-4 m contrast (R5), the measured blast
-radius, and the "this can mask AP-156's entire visible benefit" consequence.
-#333 updated: its research question is struck through and answered, and what
-remains is a judgement call (keep the filter with a correct measurement point,
-or delete it and walk the list as retail does — the retail-faithful option,
-which should be costed first).
-
-## The consequence that had to be recorded prominently
-
-**Tall props may show no visible change at all until #333 lands, and a null
-result at the connected gate is EXPECTED, not evidence against AP-156.**
-Recorded in three places a reader will actually hit: the AP-156 register row's
-`WHAT REMAINS OPEN`, the AP-158 row's risk column, and item 7 of the C5c
-handoff's §3.1 gate list — alongside the other half of the same warning, that
-"a prop stopped blocking" is only a bug if the object's own BSP geometry still
-reaches the cell it stopped blocking from.
-
-## LOW items
-
-**R3 — `int.MaxValue` on the sorting-sphere branch.** *Comment corrected; code
-deliberately unchanged, and I think the review's implied fix is wrong.* The
-review is right that the cited evidence (`0x0052b9d6 push 1`) argues for a cap
-of 1, not `int.MaxValue`, and the comment block claimed to justify the whole
-line when it justified only the BSP half — that is fixed, and the comment now
-says plainly which half is a port and which is not. But capping at 1 would take
-`Spheres[0]`, and retail's one sphere is `CSetup::sorting_sphere`, a **different
-DAT field**. Capping would not move toward retail; it would keep the wrong field
-and additionally make the substitution under-inclusive, which is the #98/#168
-direction. `int.MaxValue` keeps it over-inclusive until AP-157 ports the real
-field, which is the honest state. Inert over installed data either way — max 5
-Spheres on any Setup (0x020016F7).
-
-**R4 — acdream scales the flood sphere, retail does not.** Recorded as a second
-residual on the AP-156 row. `find_transit_cells` @0x0052cae0 reads only
-`CPhysicsPart::pos` (`+0x30`) and never `gfxobj_scale` (`+0x24`), while
-`CPhysicsPart::find_obj_collisions` @0x0050d8d0 does thread `gfxobj_scale.z`
-into `SPHEREPATH::cache_localspace_sphere`. Direction: over-inclusive for
-scale > 1, under-inclusive for scale < 1. Radius scaling predates the commit;
-centre scaling did not, which is why it needed the row.
-
-**R5 — retail's slack is 0.0002 m, not 2 m.** Carried into AP-158's anchor
-column and into #333, where whoever fixes the filter will hit it.
-
-**A3 — per-call delegate allocation.** Fixed: `LiveEntityCollisionBuilder` now
-holds `private readonly Func _hasPhysicsBsp`, initialised once in the
-single real constructor and still derived from `_physicsBspBounds`, so the
-single-resolver invariant is intact and `Build` allocates no closure.
-
-**A6 — the Content test's "cap control" does not test the cap.** Comment
-corrected: the loop is the test's own uncapped re-implementation and cannot
-observe a cap regression; the cap is covered by
-`BuildFloodSpheres_CapsCylSpheresAtTenButNeverTheBspParts`, which reddens under
-both cap sabotages. What `mostBspShapesOnOneSetup == 49` genuinely proves —
-that the containment claim reaches Setups past the retired clamp rather than
-stopping short of them — is now what the comment claims.
-
-**A5 — sabotage A reddens 4 Core tests, not 3.** Noted; `b52967de`'s message
-cannot be amended. Coverage is one better than advertised, which is the benign
-direction.
-
----
-
-## Gates
-
-| Gate | Baseline `e2b2d04c` | Observed |
-|---|---|---|
-| Release build, all 44 `bin`/`obj` deleted | 0 errors, 21 warnings | **0 errors, 21 warnings** |
-| Complete suite, `-m:1`, `ACDREAM_PAK_PATH` set | 11,208 / 4 skipped / 0 failed | **11,208 / 4 / 0** — reconciles exactly; one test RENAMED, none added or removed |
-| Content | 127 / 0 skips | **127 / 0 skips** |
-| Active AP register rows | 109 | **110** (AP-158 filed) |
-
-No new skips. Nothing was conflated with the known load-sensitive flakes
-#302 / #308 / #321.
diff --git a/docs/research/2026-08-06-ap22-contract.md b/docs/research/2026-08-06-ap22-contract.md
deleted file mode 100644
index cc542e3b..00000000
--- a/docs/research/2026-08-06-ap22-contract.md
+++ /dev/null
@@ -1,736 +0,0 @@
-# AP-22 contract — the invented `setup.Radius` collision cylinder
-
-**Status:** authored 2026-08-06, planning only. No production or test code
-written; no commit made.
-**Worktree:** `.claude/worktrees/peaceful-visvesvaraya-e0a196`,
-branch `claude/acdream-physics-divergence-5aa784`, base HEAD `bcb66ccd`.
-**Register row:** AP-22 (`docs/architecture/retail-divergence-register.md:199`).
-
----
-
-## 1. Verdict
-
-**Retail synthesizes no shape for a shapeless object. It simply does not
-collide.** There is no `setup->radius` fallback, no default cylinder, no
-default sphere anywhere in `CPhysicsObj::FindObjCollisions`. A shapeless
-object is still inserted into cells (so it is in every candidate list), and
-then contributes `OK_TS` — no block, no slide, no contact.
-
-**The fix is deletion.** Not a corrected derivation, not a better height
-formula.
-
-**And the deletion is behaviorally inert.** A DAT sweep of all 5,935 Setups
-in the installed `client_portal.dat` found **zero** Setups that can reach the
-fallback branch — in any of its three copies. Every Setup with
-`Radius > 0.0001` carries at least one CylSphere or Sphere, so the guard
-`shapes.Count == 0 && setup.Radius > 0.0001f` is unsatisfiable against retail
-data. The branch is provably dead code, not a live approximation.
-
-That changes the shape of the gate. The register row's stated risk ("rare
-decorative props collide with an invented footprint") is **not what is
-happening** — those props do not exist. Nothing loses collision on deletion,
-because nothing gained it. The gate is therefore a *reachability proof*, not
-a before/after behavior comparison, and it is cheap and strong.
-
-Three things found stale or false at HEAD are in §11; one of them
-(a genuine, unregistered, 172-Setup divergence at the same file) is the real
-finding of this investigation and is spun off, not folded in.
-
----
-
-## 2. What retail does — byte-verified
-
-Binary: `C:\Users\erikn\Downloads\acclient.exe`, v11.4186, linker UTC
-2013-09-06T00:17:56, CodeView GUID `9e847e2f-777c-4bd9-886c-22256bb87f32`.
-`py tools/pdb-extract/check_exe_pdb.py` reports
-`=== MATCH: this exe pairs with our acclient.pdb ===`. Image base `0x00400000`.
-Disassembly below is from that binary; pseudo-C line numbers are into
-`docs/research/named-retail/acclient_2013_pseudo_c.txt`.
-
-### 2.1 The dispatch is exclusive, and it is a three-way XOR plus "nothing"
-
-`CPhysicsObj::FindObjCollisions` @ `0x0050f050` (pc:276776).
-`edi` holds the result and is seeded `OK_TS` at `0x0050f13b`
-(`mov edi, 1` — `OK_TS == 1`, confirmed by the early-out at `0x0050f083`
-`mov eax, 1` and by `CPartArray::FindObjCollisions`'s `result = OK_TS`
-initializer at pc:286241).
-
-```
-0050f165 f786a800000000000100 test dword ptr [esi + 0xa8], 0x10000 ; state & HAS_PHYSICS_BSP_PS
-0050f16f 7431 je 0x50f1a2 ; not set -> CylSphere/Sphere path
-0050f171 85ed test ebp, ebp
-0050f173 752d jne 0x50f1a2 ; player-passthrough -> CylSphere/Sphere path
-0050f175 56 push esi
-0050f176 8bcb mov ecx, ebx
-0050f178 e833ddffff call 0x50ceb0 ; OBJECTINFO::missile_ignore
-0050f17d 85c0 test eax, eax
-0050f17f 7521 jne 0x50f1a2 ; ignore -> CylSphere/Sphere path
-0050f181 8b4e10 mov ecx, dword ptr [esi + 0x10] ; this->part_array
-0050f184 85c9 test ecx, ecx
-0050f186 0f848f010000 je 0x50f31b ; null -> return edi (OK_TS)
-0050f18d e8ee8f0000 call 0x518180 ; CPartArray::FindObjCollisions (BSP walk)
-0050f192 8bf8 mov edi, eax
-0050f194 83ff01 cmp edi, 1
-0050f197 0f847e010000 je 0x50f31b ; OK -> return
-0050f19d e90e010000 jmp 0x50f2b0 ; not OK -> COLLISIONINFO bookkeeping, then return
-```
-
-`0x0050f19d` is an unconditional `jmp` past `0x0050f1a2`. **The BSP branch
-never reaches the primitive branches.** Not "prefers"; cannot reach.
-
-The CylSphere branch, `0x0050f1a2`:
-
-```
-0050f1a2 8b4e10 mov ecx,[esi+0x10] ; part_array
-0050f1a5 85c9 test ecx, ecx
-0050f1a7 7474 je 0x50f21d ; null -> Sphere path
-0050f1a9 e8d28e00 call 0x518080 ; CPartArray::GetNumCylsphere (= setup->num_cylsphere)
-0050f1ae 85c0 test eax, eax
-0050f1b0 746b je 0x50f21d ; zero -> Sphere path
-...
-0050f1c9 0f844801 je 0x50f317 ; loop exhausted -> 0x50f31b, RETURN
-0050f1d6 0f833b01 jae 0x50f317 ; loop exhausted -> 0x50f31b, RETURN
-```
-
-A CylSphere-bearing object that survives its whole CylSphere loop **returns**;
-it never falls through to the Sphere loop. `ShadowShapeBuilder`'s step-2 gate
-(`if (setup.CylSpheres.Count == 0)`) is correct and matches this.
-
-The Sphere branch, `0x0050f21d`:
-
-```
-0050f21d 8b4e10 mov ecx,[esi+0x10]
-0050f220 85c9 test ecx, ecx
-0050f222 0f84f300 je 0x50f31b ; null part array -> RETURN edi (OK_TS)
-0050f228 e8338e00 call 0x518060 ; CPartArray::GetNumSphere (= setup->num_sphere)
-0050f22d 85c0 test eax, eax
-0050f22f 0f84e600 je 0x50f31b ; ZERO SPHERES -> RETURN edi (OK_TS)
-```
-
-`0x0050f22f` is the decisive instruction. Zero cylspheres, zero spheres, no
-physics BSP ⇒ jump straight to the epilogue at `0x0050f31b`:
-
-```
-0050f31b 8bc7 mov eax, edi ; still OK_TS
-0050f31e c783cc01000000000000 mov dword ptr [ebx+0x1cc], 0 ; obstruction_ethereal = 0
-0050f32e c20400 ret 4
-```
-
-**No fallback shape is constructed.** The complete call set of this function
-is `GetNumCylsphere` `0x518080`, `GetCylsphere` `0x518090`, `GetNumSphere`
-`0x518060`, `GetSphere` `0x518070`, `CCylSphere::intersects_sphere` `0x53b8f0`,
-`CSphere::intersects_sphere` `0x537fd0`, `OBJECTINFO::missile_ignore`
-`0x50ceb0`, `CPartArray::FindObjCollisions` `0x518180`,
-`COLLISIONINFO::add_object` `0x6b4e20`. **`CPartArray::GetRadius` (`0x5180a0`)
-and `GetHeight` (`0x5180b0`) are not among them.**
-
-### 2.2 What `setup->radius` / `setup->height` are actually for in retail
-
-They exist and are read — just never for collision geometry.
-`CPartArray::GetRadius` @ `0x005180a0` (pc:286138) returns
-`setup->radius * this->scale`; `GetHeight` @ `0x005180b0` likewise. Their
-consumers:
-
-| Retail site | Use |
-|---|---|
-| `CPhysicsObj::check_attack` `0x0050ec80` (pc:276549) | `CSphere::attack` cone radius/height |
-| `CPhysicsObj::get_distance_to_object` `0x0050f7a0` (pc:277387) | `Position::cylinder_distance` |
-| `CPhysicsObj::…` `0x005127e0` (pc:280583/280637) | parent-relative distance / MoveTo setup |
-
-acdream mirrors this correctly at
-`src/AcDream.App/Physics/LiveEntityMotionRuntimeController.cs:284`
-(`GetSetupCylinder` → wire `MoveToObject` radius/height). **That site is
-retail-faithful and must not be touched by this change.**
-
-### 2.3 A shapeless object is still cell-resident
-
-`CPhysicsObj::calc_cross_cells` @ `0x00515230` (pc:283330) and
-`calc_cross_cells_static` @ `0x00515160` (pc:283280) both fall back to
-`CPartArray::GetSortingSphere` → `CObjCell::find_cell_list` when there are no
-cylspheres. So the object is in the cell's object list and *is* visited by
-`CObjCell::find_obj_collisions` (`0x0052b750`, pc:308916) — it just returns
-`OK_TS`. Retail's "no collision" is an empty shape walk, not an absence from
-the world. acdream's equivalent (`Build` returns `null`, nothing registered in
-`ShadowObjectRegistry`) is observationally identical: the registry is a
-collision structure only.
-
-### 2.4 The dispatch flag is client-derived, exactly like ours
-
-`HAS_PHYSICS_BSP_PS` (`0x10000`) is not taken on faith from the wire.
-`CPhysicsObj::CacheHasPhysicsBSP` @ `0x0050f570` (pc:277205) sets or clears it
-from `CPartArray::CacheHasPhysicsBSP` @ `0x00518110` (pc:286198), which walks
-the parts and looks for **any** part whose `gfxobj->physics_bsp != 0`. It is
-called from `CPhysicsObj::InitPartArrayObject` @ `0x005126b0` (call at
-`0x0051272e`). acdream's `_hasPhysicsBsp(gfxId)` predicate
-(`LiveEntityCollisionBuilder.cs:46`) is the faithful equivalent of that
-derivation.
-
-`CPhysicsPart::find_obj_collisions` @ `0x0050d8d0` (pc:275045) additionally
-guards `gfxobj->physics_bsp != 0` per part, so a BSP-less part inside a
-BSP-bearing part array contributes nothing. `ShadowShapeBuilder` step 3
-(`if (!hasPhysicsBsp(gfxId)) continue;`) matches.
-
----
-
-## 3. Reachability — how rare is "rare decorative props"?
-
-**Answer: not rare. Nonexistent. Zero of 5,935.**
-
-### 3.1 Method
-
-Read-only scratchpad parse of the user's installed
-`%USERPROFILE%\Documents\Asheron's Call\client_portal.dat` (B-tree directory
-walk + block-chain file reads + Setup record parse), no repo code written.
-
-Parse validation, three independent checks:
-
-1. **Byte accounting.** All 5,935 Setup records parsed with an exact
- residual tail of `20 + 48 × numLights` bytes and **zero** unexplained
- bytes. A wrong field offset anywhere upstream would desynchronize the tail
- on essentially every record; 5,935/5,935 clean is not achievable by luck.
-2. **Cross-check against the in-repo tool.**
- `dotnet run --project tools/SetupInspect -- 0x02000001` reports
- `Radius/Height = 0.679 / 1.835`, `StepUp/StepDown = 0.600 / 1.500`,
- `Spheres = 2`, `CylSpheres = 0`, `Parts = 34`. The sweep reports the same
- numbers bit for bit.
-3. **Physics-BSP flag hypothesis validated on known cases.** `GfxObjFlags`
- bit `0x01` (`HasPhysics`, the name our own test fixtures use at
- `tests/AcDream.App.Tests/Streaming/LandblockPhysicsPublisherTests.cs:1126`)
- was validated against three documented cases: the Facility Hub door Setup
- `0x02000C9D` — parts `0x0B/0x0B/0x0A`, BSP-bearing, matching the #175
- door work; the cottage door `0x020019FF` — part[0] `0x0B`, matching the
- 2026-05-24 door-collision handoff; and the human Setup `0x02000001` — all
- 34 parts `0x0A`, no physics BSP, colliding via body Spheres, matching
- `TransitionTypes.cs:4264`'s documented humanoid path.
-
-### 3.2 Results (all 5,935 Setups in `client_portal.dat`)
-
-| Bucket | Count | Share |
-|---|---|---|
-| ≥1 CylSphere (retail: CylSphere branch) | 678 | 11.4% |
-| 0 CylSpheres, ≥1 Sphere (retail: Sphere branch) | 3,605 | 60.7% |
-| 0 primitives, ≥1 physics-BSP part (retail: BSP branch) | 358 | 6.0% |
-| **Shapeless** — 0 CylSpheres, 0 Spheres, 0 physics-BSP parts | **1,294** | **21.8%** |
-| — of those, `Radius > 0.0001` (**fallback fires**) | **0** | **0%** |
-| Setups with `Radius > 0.0001` overall | 4,282 | 72.1% |
-| Setups with `Radius > 0.0001` **and** no CylSphere and no Sphere | **0** | **0%** |
-| Setups whose only primitives all have `radius <= 0` | 0 | 0% |
-
-**Every one of the 1,294 shapeless Setups has `Radius` exactly 0.**
-Authoring correlates the summary radius with the presence of collision
-primitives, so the fallback's own precondition never holds.
-
-The static-path variant of the gate
-(`Cylinders.Length == 0 && Spheres.Length == 0 && Radius > 0f`) returns the
-same **0**, because `FlatCollisionAssetBuilder.FlattenSetup`
-(`src/AcDream.Core/Physics/FlatCollisionAssetBuilder.cs:248,287`) is a
-bit-exact DAT pass-through with no filtering and no synthesis.
-
-### 3.3 The two escape hatches, both closed
-
-- **A GfxObj-sourced entity** (`SourceGfxObjOrSetupId` with a `0x01` prefix)
- cannot synthesize a Setup with a nonzero radius. Live:
- `DatLiveEntityProjectionMaterializer.cs:188` does
- `_dats.Get(spawn.SetupTableId.Value)`; a non-Setup id yields `null`
- and the entity is **dropped** (`_missingSetup++`, `:193`) — we have no
- `CSetup::makeSimpleSetup` (`0x00520090`, pc:295344) equivalent at all.
- Static: `cache.GetFlatSetup(0x01…)` misses and the entity records
- `noCollision`. Either way `Radius` is never fabricated.
-- **`effectivePartGfxObjIds` part swaps** (retail `AnimPartChanged`) can only
- empty step 3 of the walk. They cannot remove a Setup's CylSpheres or
- Spheres, so they cannot manufacture the `shapes.Count == 0` **and**
- `Radius > 0` combination.
-
-### 3.4 What this means for the "walking through a prop" concern
-
-It does not arise. No entity in the installed DAT set is currently colliding
-by way of the invented cylinder, so no entity stops colliding when it is
-removed. The correct gate is a **reachability proof**, described in §7–§8, not
-a prop-by-prop behavioral comparison. Confirming that positively (a real
-connected run that observes zero executions of the branch) is still required —
-see §8 — because the sweep proves a property of the DAT, and the gate must
-prove the property of the running system.
-
----
-
-## 4. The exact change, by symbol
-
-### 4.1 Delete — three copies, not one
-
-| # | Symbol | Location at `bcb66ccd` | Host reach |
-|---|---|---|---|
-| 1 | `LiveEntityCollisionBuilder.Build` | `src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs:136-146` | graphical only |
-| 2 | `LandblockPhysicsPublisher.PublishStaticEntity` | `src/AcDream.App/Streaming/LandblockPhysicsPublisher.cs:1041-1058` | graphical only |
-| 3 | `LandblockPhysicsContentBuilder.PublishStaticCollision` | `src/AcDream.Content/LandblockPhysicsContentBuilder.cs:694-707` | **headless only** |
-
-All three are the same eleven-line block: `if (no cylinders && no spheres &&
-Radius > 0) → add one Cylinder shape of radius `Radius × scale` and height
-`(Height > 0 ? Height : Radius × 2) × scale``. Delete the `if` block in each.
-In sites 2 and 3 the surrounding `setupShapes.Count == 0 → noCollision`
-handling already exists and needs no edit. In site 1 the existing
-`if (shapes.Count == 0 && !retainEmptyPayload) return null;` at `:148` already
-handles the resulting case and needs no edit.
-
-### 4.2 Do not touch
-
-- `LiveEntityMotionRuntimeController.cs:284` (`GetSetupCylinder`) — retail-faithful,
- see §2.2.
-- `PhysicsDataCache.cs:392` (`Radius = setup.Radius`) and
- `FlatSetupCollision.Radius` — the field is still consumed by the MoveTo path.
-- `ShadowShapeBuilder.FromSetup` steps 1 and 2 — byte-verified correct in §2.1.
-- `ShadowShapeBuilder.FromSetup` step 3's *additive* emission — real divergence,
- but **out of scope**; see §11.3 and §12.2.
-
-### 4.3 Comment corrections in the same commit
-
-- `LiveEntityCollisionBuilder.cs:30-35` class doc — the phrase
- "and the established Setup-radius fallback for the remaining ACE prop data"
- describes the deleted branch and a data population that does not exist.
-- `ShadowShapeBuilder.cs:25-30` — see §11.2; the retail claim in that
- paragraph is false and must be corrected whether or not the exclusivity fix
- lands, because a future reader will re-derive the additive design from it.
-
----
-
-## 5. Blast radius across both hosts
-
-This is where the C5b lesson bites and where the register row is wrong.
-**A survey of the live-entity call graph alone misses two thirds of the
-change.**
-
-```
-AcDream.Headless ─▶ AcDream.Runtime ─▶ AcDream.Content ─▶ AcDream.Core
-AcDream.App ─▶ AcDream.Runtime, AcDream.Content, AcDream.Core
-```
-
-| Path | Producer | Graphical | Headless |
-|---|---|---|---|
-| Live server entities (weenies) | `LiveEntityCollisionBuilder.Build` → `ShadowShapeBuilder.FromSetup` | yes | **no — not registered at all** |
-| Landblock statics, streaming | `LandblockPhysicsPublisher.PublishStaticEntity` | yes | no |
-| Landblock statics, prepared content | `LandblockPhysicsContentBuilder.PublishStaticCollision` | no | **yes** (`HeadlessSessionWorldProjection.cs:461`) |
-
-Verified call sites: `LandblockPhysicsContentBuilder.PublishStaticCollision`
-has exactly one caller, `HeadlessSessionWorldProjection.cs:461`;
-`src/AcDream.App/Streaming/LandblockBuildFactory.cs` calls only
-`BuildPreparedCollisionClosure` / `HydrateStaticEntities` / `BuildDatBundle`
-from that class, never `PublishStaticCollision`. `ShadowShapeBuilder.FromSetup`
-has exactly one production caller, `LiveEntityCollisionBuilder.cs:116`.
-
-Two consequences the implementer must carry:
-
-1. **Site 3 is only exercised by `AcDream.Headless.Tests` and by a native/WSL
- headless run.** An App-only suite will stay green through a wrong edit
- there. The suite matrix in §8 names both.
-2. **Headless registers no live-entity collision at all today** (no
- `ShadowShapeBuilder.FromSetup` caller in `Runtime`/`Headless`;
- `HeadlessSessionHost.cs:640` even pins the local player to
- `RuntimeLocalPlayerShadowDisposition.ProvenShapeless`). That is a
- pre-existing gap, **not** created or widened by this change, and **not** in
- scope. Note it; do not fix it here. If it is not already registered, file
- it as its own row — a headless bot currently walks through every NPC.
-
-`RuntimeRemotePhysicsUpdater.cs:478` calls `RegisterMultiPart` but only to
-re-publish an already-built shape list at a resolved pose; it constructs no
-shapes and is unaffected.
-
----
-
-## 6. Proof obligations
-
-The commit is not complete until each of these is discharged with the named
-evidence attached to the commit message or the closeout note.
-
-| # | Obligation | Evidence |
-|---|---|---|
-| P1 | Retail synthesizes no shape for a shapeless object | §2.1 disassembly, reproduced in the commit message: `0x0050f22f je 0x50f31b` and the `CPartArray::GetRadius`-absent call set |
-| P2 | The deleted branch is unreachable for every installed Setup | The DAT reachability test of §7.1, run and reported with its bucket counts |
-| P3 | The deletion changes no registered shape for any entity | Diff of registered shape counts across a connected route, before vs after — §8.2 |
-| P4 | All three copies are gone | `grep -rn "setup.Radius\|\.Radius > 0f" --include=*.cs src/` returns only `GetSetupCylinder`, `PhysicsDataCache.cs:392`, and non-collision hits |
-| P5 | Headless is exercised, not merely compiled | `AcDream.Headless.Tests` green **and** a headless connected run — §8.3 |
-| P6 | The behaviors the deleted test covered are still covered | The re-hosted test of §7.2, with its sabotage result |
-| P7 | AP-22 is retired, and the three site citations are corrected in the retirement text so the record is not wrong twice | Register diff in the same commit |
-
----
-
-## 7. Test plan
-
-Design rule for every item: **state the sabotage that must redden it, and run
-that sabotage.** Four green-but-empty tests shipped in this campaign already
-(C5b's D3 conservation test, #276's three settler tests, #280's tautological
-integration test, the atlas-tier seam 4,170 tests missed). Assume each test
-below discriminates nothing until the sabotage run proves otherwise.
-
-### 7.1 NEW — installed-DAT reachability (the load-bearing test)
-
-Where: `tests/AcDream.Content.Tests` (Content is the lowest layer that owns
-the flattened Setup shape and is reachable from both hosts) or, if the suite's
-installed-DAT convention lives elsewhere, wherever the I2/I4 "representative
-installed DATs" tests live. Skip cleanly when `ACDREAM_DAT_DIR` is absent,
-matching the existing installed-DAT convention.
-
-Enumerate every Setup in `client_portal.dat`, flatten with
-`FlatCollisionAssetBuilder.FlattenSetup`, and assert:
-
-- **(a) the negative claim:** zero Setups satisfy
- `Cylinders.Length == 0 && Spheres.Length == 0 && Radius > 0.0001f`.
-- **(b) positive controls, so (a) cannot pass vacuously:** the enumeration
- yielded 5,935 Setups; 678 have ≥1 Cylinder; 3,605 have 0 Cylinders and ≥1
- Sphere; 1,294 have neither; 4,282 have `Radius > 0.0001f`.
-
-(b) is not decoration. It is the entire reason the test discriminates: a
-broken enumerator, a wrong dat path, or a silently-empty flatten all satisfy
-(a) trivially and are caught only by (b). This is exactly the failure the
-atlas-tier seam commit (`bcb66ccd`) was written to close.
-
-Do not assert the 358 physics-BSP-part bucket here — that requires GfxObj
-resolution and belongs to §7.3 if wanted at all.
-
-**Sabotage (must run both):**
-- Invert (a) to `> 0` expected: must fail on assertion (a).
-- Point the enumeration at an empty id set: must fail on assertion (b) with
- `0 != 5935`, *not* pass (a).
-
-**Trap:** do not re-derive the bucket numbers from the same predicate the
-production code uses and then assert they agree — that is a tautology. The
-numbers in (b) are external constants measured in §3.2 and must be written as
-literals.
-
-### 7.2 REPLACE — `LiveEntityCollisionBuilderTests.RadiusFallback_UsesExactStateFlagsScaleAndFullSeedCell`
-
-`tests/AcDream.App.Tests/Physics/LiveEntityCollisionBuilderTests.cs:28-58`.
-This test constructs `new Setup { Radius = 0.75f, Height = 2.5f }` with zero
-primitives — a Setup that **cannot exist in the DAT** (§3.2). It is the only
-test in the tree that pins the fallback, and it will fail on deletion.
-
-Do **not** simply delete it. Beyond the fallback shape it asserts real,
-still-live behavior: `registration.State` == `record.FinalPhysicsState`,
-`HasWeenie`/`IsCreature`/`IsPlayer`/`IsPK` flag decode from the PWD bitfield
-`0x28`, `LandblockId` and `SeedCellId` both the full cell, and
-`WorldOffsetX/Y` pass-through. Re-host those assertions on a DAT-possible
-fixture — a Setup with one CylSphere (`Radius 0.4`, `Height 1.2`, the shape
-`LandblockPhysicsPublisherTests` already uses) — and rename accordingly
-(`Build_PropagatesExactStateFlagsScaleAndFullSeedCell`).
-
-**Sabotage:** flip one flag bit in `EntityCollisionFlagsExt.FromPwdBitfield`,
-and separately swap `SeedCellId` for the landblock id at the construction
-site. Each must redden this test. If neither does, the re-host lost the
-coverage and the test is decoration.
-
-### 7.3 NEW — the deleted-branch shape assertion (cheap, keeps the claim honest)
-
-One fact in the same App test class: a Setup with `Radius = 0.75f`,
-`Height = 2.5f` and **no** primitives and **no** BSP parts produces
-`Build(...) == null` — no registration, no cylinder.
-
-This is the direct inverse of the deleted test and states the retail rule in
-acdream's own vocabulary. It sits beside the existing
-`ShapelessSetup_ProducesNoRegistration` (`:275`), which today passes only
-because its `new Setup()` has `Radius == 0`; the new fact is the one that
-would have failed before the deletion.
-
-**Sabotage:** restore the deleted `if` block — this fact must fail. This is
-the only sabotage in the plan that directly re-proves the production change,
-so it must be run.
-
-### 7.4 Static-path coverage
-
-`LandblockPhysicsPublisherTests` and the Content-side static tests use
-CylSphere fixtures throughout and pin nothing about the fallback (checked:
-`Radius = 0.4f` at `:228`/`:1098` are CylSphere radii, `Radius = 10f`/`1.25f`
-are BSP bounding spheres). **No static test should need editing.** If one
-turns red, that is a signal the deletion in site 2 or 3 removed more than the
-`if` block — stop and re-read the diff rather than adjusting the test.
-
----
-
-## 8. Gates
-
-### 8.1 Suite matrix (both hosts — the C5b lesson)
-
-- `dotnet build -c Release` green.
-- `AcDream.Core.Tests`, `AcDream.Content.Tests`, `AcDream.App.Tests`,
- `AcDream.Runtime.Tests`, **`AcDream.Headless.Tests`** — the last is the one
- that covers site 3 and is the one a habitual App-only run skips.
-- Complete Release solution suite at the expected count for `bcb66ccd`
- (11,090 passed / 4 skipped / 0 failed, adjusted for the one replaced and two
- added facts).
-
-### 8.2 Connected graphical route — **positive evidence, not absence of signal**
-
-Batch into the next connected session. Absence-of-crash is not a criterion.
-Run the canonical nine-stop route
-(`tools/connected-dense-town.route.txt` / the world-lifecycle route) twice on
-the same binary, once at `bcb66ccd` and once with the change, with
-`ACDREAM_PROBE_BUILDING=1` so `LiveEntityCollisionBuilder.Register`'s
-`[entity-source]` line (`:202`) is emitted, and diff:
-
-- the multiset of `(entityId, src, shapes=cylN+bspN)` tuples must be
- **identical** between the two runs. Not "no errors" — byte-identical
- registration inventory. That is the positive statement that no entity lost
- or changed a shape.
-- registered-owner counts per landblock (`setupOwners`/`bspOwners`/
- `noCollision` from `PublishStaticCollision`, and the publisher's equivalent)
- must be identical.
-
-**Known probe gap, must be handled:** the `[entity-source]` line reports
-`shapes=cylN+bspN` and classifies the fallback cylinder as an ordinary
-`Cylinder`, indistinguishable from a CylSphere-derived one. As-is it cannot
-tell you the fallback fired. Since §3 proves the count is zero either way the
-identical-multiset diff is still decisive, but if the implementer wants direct
-evidence, add a temporary `cause=` tag at the branch before deleting it, run
-one route, observe zero, then delete tag and branch together. Do not ship the
-tag.
-
-### 8.3 Connected headless route
-
-Native Linux or WSL headless single-session run through the four-stop portal
-route (the K1/K3 gate). Positive criterion: static-collision publication
-counts per landblock identical to a pre-change run, graceful ACE-confirmed
-logout, terminal ownership ledger at zero.
-
-### 8.4 User visual gate
-
-**Not required.** No registered shape changes, so there is nothing for the
-user to look at. Do not spend a connected session's visual budget on this;
-spend it on the AP-152 slice (§12.2), which does change 172 Setups' shapes and
-does need eyes.
-
----
-
-## 9. Traps
-
-1. **Deleting only the site the register row cites.** The row names
- `LiveEntityCollisionBuilder.cs` and `ShadowShapeBuilder.cs`. The real
- population is three copies, and the one the row does not mention at all
- (`LandblockPhysicsContentBuilder`) is the **only** one headless executes.
-2. **Assuming `ShadowShapeBuilder.cs` contains the fallback.** It does not —
- the row's site list is wrong about which file (§11.1). Grep by symbol
- before editing.
-3. **Treating this as a behavior change and over-gating it.** It is dead-code
- removal. The temptation to run a full two-client matrix wastes a connected
- session; the reachability test is the stronger evidence and costs minutes.
-4. **The inverse trap: treating "it's dead code" as licence to skip the
- headless suite.** Site 3 compiles in App builds and runs only in headless.
-5. **Deleting `setup.Radius` plumbing.** `FlatSetupCollision.Radius`,
- `PhysicsDataCache.cs:392` and `GetSetupCylinder` are live and
- retail-faithful. Only the *collision-shape* consumer dies.
-6. **Deleting the fallback test outright** and silently dropping the state /
- flag / seed-cell coverage riding on it (§7.2).
-7. **Folding in the exclusivity fix** because it is "right there in the same
- function." It changes 172 Setups including doors, needs its own visual
- gate, and would destroy this commit's zero-risk profile (§12.2).
-8. **Trusting the Binary Ninja text for the dispatch polarity.** BN renders
- the branch as `if ((state & 0x10000) == 0 || ebp_1 != 0 || eax_12 != 0)`
- with the *primitive* path in the `then` and the *BSP* path in the `else` —
- readable, but easy to invert when skimming, and BN's `ebp_1` aliasing in
- this function is visibly corrupt (`ebp_1 = &ebp_1->object_info.ethereal`
- at pc:276891 is nonsense). Cite the disassembly, not the pseudo-C, for any
- claim about which branch runs.
-9. **`OK_TS` is 1, not 0.** Two independent confirmations in §2.1. A reader who
- assumes 0 will misread `cmp edi, 1 / je` as an error path.
-
----
-
-## 10. Size and split
-
-**Size:** small. ~33 production lines deleted across 3 files, 1 test replaced,
-2 test facts added, 1 new installed-DAT test (~60 lines), 2 doc comments
-corrected, 1 register row retired + 1 filed. **One commit.**
-
-**Split call: land AP-22 alone.** Do not bundle:
-
-- **AP-152 (§12.2, the exclusivity divergence)** — separate slice. It is a
- live behavior change on 172 Setups including every BSP door, it needs a
- connected visual gate, and bundling it would mean the AP-22 retirement's
- evidence no longer says "nothing changed."
-- **The headless live-entity collision gap (§5)** — separate, larger, and
- likely already tracked.
-- **`makeSimpleSetup` parity** (retail builds a one-part Setup for a GfxObj
- id; we drop the entity — §3.3) — separate, needs a look at whether ACE ever
- sends one.
-
----
-
-## 11. Claims found false or stale at HEAD
-
-Numbered, as required. Every one was verified against source or the binary,
-not inherited.
-
-### 11.1 The register row's site list is incomplete and partly wrong — **FALSE**
-
-Row AP-22 cites
-`src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs`;
-`src/AcDream.Core/Physics/ShadowShapeBuilder.cs`.
-
-- `ShadowShapeBuilder.cs` **does not contain the invented cylinder.** Grep for
- `setup.Radius` in that file returns nothing; the class never reads
- `Setup.Radius` or `Setup.Height` at all. It is cited as the *mitigation*,
- and the site column absorbed it.
-- Two real sites are missing:
- `src/AcDream.App/Streaming/LandblockPhysicsPublisher.cs:1041` and
- `src/AcDream.Content/LandblockPhysicsContentBuilder.cs:694`. The second is
- the headless-only copy. A reader following the row would have shipped a fix
- that leaves headless statics on the invented footprint.
-
-The retirement text must state the corrected three-site list, or the record is
-wrong in both directions.
-
-### 11.2 `ShadowShapeBuilder`'s retail anchor comment is factually wrong — **FALSE**
-
-`src/AcDream.Core/Physics/ShadowShapeBuilder.cs:25-30`:
-
-> `CPhysicsObj::FindObjCollisions` calls `CPartArray::FindObjCollisions` which
-> iterates parts; each part's `find_obj_collisions` tests CylSpheres + GfxObj BSP.
-
-Two errors.
-
-- **`CPhysicsPart::find_obj_collisions` (`0x0050d8d0`, pc:275045) tests only
- the GfxObj BSP.** Its entire body is
- `if (gfxobj != 0 && gfxobj->physics_bsp != 0) { cache_localspace_sphere;
- CGfxObj::find_obj_collisions }`. There is no CylSphere test inside a part,
- and there cannot be: CylSpheres are a **Setup**-level array, reached via
- `CPartArray::GetCylsphere` → `this->setup->cylsphere` (`0x00518090`,
- pc:286130). Parts have no cylsphere member.
-- **`CPhysicsObj::FindObjCollisions` does not "call `CPartArray::FindObjCollisions`
- which iterates parts" as one leg of a combined walk.** It calls it in the
- branch it takes *instead of* the primitive walk (§2.1).
-
-This comment is the written justification for the additive emission in 11.3,
-so it must be corrected in this commit regardless of whether 11.3 is fixed
-here.
-
-### 11.3 The row's mitigation claim — "ShadowShapeBuilder (the faithful walk)" — is **STALE**, and the real divergence is bigger than AP-22
-
-`ShadowShapeBuilder.FromSetup` emits CylSpheres (step 1) **and** Spheres when
-there are no CylSpheres (step 2) **and** every physics-BSP part (step 3),
-**additively**. Retail's walk is exclusive: BSP **xor** CylSphere **xor**
-Sphere **xor** nothing (§2.1, byte-verified).
-
-Measured impact: **172 of 5,935 Setups (2.9%)** carry a primitive *and* at
-least one physics-BSP part — 73 CylSphere+BSP, 99 Sphere+BSP. Every one of
-them registers an extra collision primitive retail never tests. This is not a
-tail case: the cottage door `0x020019FF` is in the set, and
-`ShadowShapeBuilderTests.FromSetup_DoorSetup_ProducesFourShapes`
-(`tests/AcDream.Core.Tests/Physics/ShadowShapeBuilderTests.cs:51`) **pins the
-additive behavior as intended** — 1 Sphere + 3 BSP shapes where retail would
-register the BSP walk alone.
-
-Note also the internal inconsistency: acdream's two **static** paths already
-implement the exclusive rule (`LandblockPhysicsPublisher` gates the Setup walk
-on `entityBspCount == 0`; `LandblockPhysicsContentBuilder` `continue`s after
-BSP shapes). Only the **live** path is additive. The same object registers a
-different shape set depending on whether it arrived as a landblock static or a
-server weenie.
-
-**Not fixed here.** Filed as AP-152, §12.2.
-
-### 11.4 The register row's risk statement is **STALE**
-
-> Those props collide with an invented footprint (especially the Radius×2
-> height guess) — slides/blocks at non-retail distances.
-
-No prop does. Zero of 5,935 Setups can reach the branch (§3.2). The risk as
-written describes a live approximation; the reality is unreachable code. Both
-the mitigation ("preserves prior behavior so rare decorative props don't lose
-collision") and the risk are describing a population that does not exist.
-
-### 11.5 `LiveEntityCollisionBuilder`'s own class doc is **STALE**
-
-`:30-35` describes "the established Setup-radius fallback for the remaining
-ACE prop data." There is no remaining ACE prop data with that shape.
-
-### 11.6 The only test pinning the fallback uses DAT-impossible data — **noted**
-
-`RadiusFallback_UsesExactStateFlagsScaleAndFullSeedCell` builds
-`new Setup { Radius = 0.75f, Height = 2.5f }` with zero primitives. No such
-Setup exists in `client_portal.dat`. The test is green and covers a code path
-no real input reaches — the fifth instance of this campaign's recurring
-pattern. §7.2 re-hosts its live assertions rather than deleting them.
-
----
-
-## 12. Register edits
-
-### 12.1 Retire AP-22 in the implementing commit
-
-Retirement text must carry: the three-site corrected list (§11.1); the
-byte-level anchor (`CPhysicsObj::FindObjCollisions` `0x0050f050`, the
-zero-spheres exit `0x0050f22f je 0x50f31b`, and the absence of
-`CPartArray::GetRadius`/`GetHeight` from the call set); and the reachability
-measurement (0 of 5,935 Setups, with the §3.2 bucket table as the positive
-control). Cite this document.
-
-### 12.2 File AP-152 — live-path collision shape emission is additive, retail's is exclusive
-
-Draft row:
-
-- **Divergence:** `ShadowShapeBuilder.FromSetup` emits Setup primitives
- **and** per-part physics-BSP shapes additively. Retail
- `CPhysicsObj::FindObjCollisions` dispatches exclusively on
- `HAS_PHYSICS_BSP_PS`: BSP walk **or** CylSpheres **or** Spheres **or**
- nothing, never a union. Also internally inconsistent — acdream's two static
- publication paths already implement the exclusive rule; only the live path
- does not.
-- **Sites:** `src/AcDream.Core/Physics/ShadowShapeBuilder.cs` (`FromSetup`
- step 3, unconditional); consumer
- `src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs:116`. Exclusive
- counterparts for comparison:
- `src/AcDream.App/Streaming/LandblockPhysicsPublisher.cs` (`entityBspCount == 0`
- gate), `src/AcDream.Content/LandblockPhysicsContentBuilder.cs` (BSP-then-
- `continue`).
-- **Mitigation:** over-inclusion is the conservative direction (an extra
- primitive can only add blocking, never remove it); the affected primitives
- are small and centred at the part origin; behaviour is pinned by tests and
- has survived the #150/#175/#182 door work.
-- **Risk:** 172 of 5,935 Setups (2.9%; 73 CylSphere+BSP, 99 Sphere+BSP)
- register a collision primitive retail never tests — including BSP doors,
- where the door's ~10 cm base Sphere sits at the threshold. Symptom class:
- catching or stopping on a doorway sill, or a small non-retail obstacle at a
- BSP prop's base.
-- **Retail anchor:** `CPhysicsObj::FindObjCollisions` 0x0050f050
- (dispatch `0x0050f165 test …,0x10000` / `0x0050f16f je 0x50f1a2`;
- BSP branch exit `0x0050f19d jmp 0x50f2b0`);
- `CPhysicsPart::find_obj_collisions` 0x0050d8d0 (BSP only);
- `CPartArray::CacheHasPhysicsBSP` 0x00518110;
- `CPhysicsObj::CacheHasPhysicsBSP` 0x0050f570.
-
-### 12.3 Check before filing
-
-Confirm the headless live-entity collision gap (§5) is not already an open row
-or issue. If it is not, file it — it is larger than either row above.
-
----
-
-## Appendix — reproducing the measurement
-
-The sweep was a throwaway scratchpad script, deliberately not committed. To
-reproduce or to build §7.1's test, the Setup record layout confirmed against
-5,935/5,935 records with zero residual bytes is:
-
-```
-u32 id
-u32 flags
-u32 numParts
-u32 parts[numParts]
-if (flags & 1) u32 parentIndex[numParts]
-if (flags & 2) float3 defaultScale[numParts]
-u32 numHoldingLocations ; each 36 bytes (u32 key, u32 partId, Frame{float3, float4})
-u32 numConnectionPoints ; each 36 bytes (same)
-u32 numPlacementFrames ; each: u32 key, Frame[numParts] (28 bytes each), u32 numHooks
-u32 numCylSpheres ; each 20 bytes (float3 origin, float radius, float height)
-u32 numSpheres ; each 16 bytes (float3 origin, float radius)
-float height, radius, stepUpHeight, stepDownHeight
-Sphere sortingSphere (16), Sphere selectionSphere (16)
-u32 numLights ; each 48 bytes
-u32 defaultAnimation, defaultScript, defaultMotionTable, defaultSoundTable, defaultPhysicsScriptTable
-```
-
-Physics-BSP presence per part is `GfxObj.Flags & 0x01`
-(`GfxObjFlags.HasPhysics`), read from bytes 4..7 of the GfxObj record.
-Distribution across the 15,318 GfxObjs in `client_portal.dat`:
-flags `0x02` ×10,546, `0x0A` ×3,514, `0x03` ×641, `0x0B` ×617 — so 1,258
-GfxObjs (8.2%) carry a physics BSP.
-
-Production code should of course use `FlatCollisionAssetBuilder.FlattenSetup`
-and `PhysicsDataCache`, not this layout; it is recorded only so the numbers in
-§3.2 are independently checkable.
diff --git a/docs/research/2026-08-06-ap22-review-architecture.md b/docs/research/2026-08-06-ap22-review-architecture.md
deleted file mode 100644
index a83fed95..00000000
--- a/docs/research/2026-08-06-ap22-review-architecture.md
+++ /dev/null
@@ -1,365 +0,0 @@
-# AP-22 architecture review — `bc4679cd`
-
-**Scope:** completeness, blast radius, test quality. Retail fidelity is a
-separate reviewer's. **Verdict: PASS**, with one required correction to the
-commit record (Finding A) and four minor accuracy items.
-
-**Worktree:** `.claude/worktrees/peaceful-visvesvaraya-e0a196`, branch
-`claude/acdream-physics-divergence-5aa784`, HEAD `bc4679cd`, tree clean at
-review start and at review end (the only untracked file is the parallel
-retail reviewer's `2026-08-06-ap22-review-retail.md`, untouched).
-
----
-
-## 1. The crux — do I believe the reachability claim?
-
-**Yes. Verified by a third route that shares no code with either prior
-parser, and the strict-guard variant the contract and the test both left
-unverified is also zero.**
-
-### 1.1 Method
-
-I wrote a raw `client_portal.dat` parser in Python from scratch — B-tree
-directory walk (root at header `0x140 + 0x20` = `0x0232D400`, 1024-byte block
-chain), Setup record decode against retail's own `CSetup` field order
-(`docs/research/named-retail/acclient.h:31119` + `CSetup::UnPack` @
-`0x00520c50`). It shares no code with `DatReaderWriter`, with
-`FlatCollisionAssetBuilder.FlattenSetup`, or with the implementer's C#
-scratch parser. Script: scratchpad `ap22_sweep.py` (not committed).
-
-Self-validation, stronger than the contract's: **5,935/5,935 records consumed
-to byte-exact end, residual histogram `{0: 5935}`** — i.e. zero unexplained
-bytes on every record, not "a 20 + 48·numLights tail". **608 of the 5,935
-carry a light row**, so the 48-byte `LIGHTINFO` size and the whole post-lights
-tail are genuinely exercised rather than trivially satisfied by
-`numLights == 0` everywhere (that was worth checking: BN renders the light
-allocation as `0x68`-sized at pc:296913, which would have desynchronized 608
-records had it been right).
-
-### 1.2 Results — every number reproduces
-
-| Bucket | Contract / test literal | My independent parse |
-|---|---|---|
-| Total Setups | 5,935 | **5,935** |
-| ≥1 CylSphere | 678 | **678** |
-| 0 CylSphere, ≥1 Sphere | 3,605 | **3,605** |
-| 0 primitives (`ExpectedWithoutAnyPrimitive`) | 1,652 | **1,652** |
-| — of those, ≥1 physics-BSP part | 358 | **358** |
-| — of those, fully shapeless | 1,294 | **1,294** |
-| `Radius > 0.0001` | 4,282 | **4,282** |
-| primitive **and** physics-BSP part (AP-152) | 172 | **172** |
-| GfxObjs / with physics bit | 15,318 / 1,258 | **15,318 / 1,258** |
-| **Fallback reachable** | **0** | **0** |
-
-Third decoder, spot checks — `dotnet run --project tools/SetupInspect`
-(DatReaderWriter, a different implementation again) agrees bit-for-bit with my
-parser on all three ids the contract cites:
-
-- `0x02000001` humanoid — Radius/Height `0.679 / 1.835`, Spheres 2
- (r = 0.48 at z = 0.475 and 1.35), CylSpheres 0, Parts 34, 0 BSP parts.
-- `0x02000C9D` Facility Hub door — Radius/Height `0.000 / 0.000`,
- 0 primitives, parts `0x01002936`/`0x01002936`/`0x01002937`, 2 BSP parts.
- This is a member of the 1,294 shapeless bucket **with Radius exactly 0**.
-- `0x020019FF` cottage door — Radius/Height `0.141 / 0.200`, 1 Sphere
- (r = 0.100 at z = 0.018), 1 BSP part.
-
-### 1.3 A gap I closed that neither the contract nor the test covers
-
-The test's predicate is `flat.Radius > 0.0001f`, and its comment calls that
-**"the exact guard the three deleted copies used"**
-(`tests/AcDream.Content.Tests/InstalledSetupCollisionReachabilityTests.cs:69`).
-It is not. Site 1 used `setup.Radius > 0.0001f`; **sites 2 and 3 used
-`setup.Radius > 0f`** (`LandblockPhysicsPublisher.cs:1043` and
-`LandblockPhysicsContentBuilder.cs:696` at `bc4679cd~1`). Over the installed
-DAT the two predicates genuinely differ: **4,282 Setups satisfy `> 0.0001`
-but 4,283 satisfy `> 0`** — Setup `0x02001657` carries a denormal
-`Radius = 1.2988e-39` (bits `0x000E246E`).
-
-I evaluated the strict guard directly: **`!hasCyl && !hasSph && Radius > 0f`
-is also 0 of 5,935** (that one denormal Setup carries a primitive). So there
-is no hole — but the test does not pin the guard sites 2 and 3 actually used,
-and its comment overstates. See Finding C.
-
-**Conclusion: the deletion removes collision from nothing.** The branch was
-unreachable dead code under both guards, for every Setup in the installed
-`client_portal.dat`.
-
----
-
-## 2. Is there a fourth copy? — No. Exhaustively.
-
-**By symbol.** `new ShadowShape(` appears exactly **8 times** in `src/`:
-2 in `LandblockPhysicsPublisher` (CylSphere loop `:1003`, Sphere loop
-`:1030`), 2 in `LandblockPhysicsContentBuilder` (`:658`, `:683`), 4 in
-`ShadowShapeBuilder` (`:89` CylSphere, `:108` Sphere, `:147` BSP part, `:231`
-`FromLandblockBspParts`). **None of the eight reads `Setup.Radius` or
-`Setup.Height`.**
-
-**By concept.** After the deletion the only `setup.Radius`/`setup.Height`
-reads left in `src/` are:
-
-- `src/AcDream.Core/Physics/PhysicsDataCache.cs:391-392` — flatten
- pass-through into `FlatSetupCollision`, no synthesis.
-- `src/AcDream.App/Physics/LiveEntityMotionRuntimeController.cs:284`
- (`GetSetupCylinder`) — the MoveTo/attack-cone consumer, explicitly
- out of scope and retail-faithful.
-- comments.
-
-**By registration entry point.** `RegisterMultiPart` / `ReplaceMultiPartPayload`
-have exactly four production callers — the three deleted sites' surviving
-registration calls plus `LiveEntityCollisionBuilder.Register:175`. Every
-*internal* re-registration (`ShadowObjectRegistry.cs:536`, `:707`, `:1582`,
-`:2165`, and `RuntimeRemotePhysicsUpdater`'s re-flood) replays a
-previously-built shape list and constructs nothing.
-`AcDream.Runtime` and `AcDream.Headless` contain **no** `ShadowShape`
-reference at all.
-
-**Adjacent but categorically different — not a fourth copy.**
-`src/AcDream.App/Composition/SessionPlayerComposition.cs:544-571` and
-`src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:389-391` derive a
-capsule from `GetSetupCylinder` (`Setup.Radius/Height × scale`) with a
-hardcoded `0.48 / 1.835` human fallback. That is the **mover's own** sphere/
-capsule — the moving object's shape, not the shape other objects collide
-*against* — and is separately governed by #184 / TS-46 / AD-25. Correctly out
-of AP-22's scope.
-
----
-
-## 3. The corrected literal `1,652`
-
-**Verified independently, and not derived tautologically.**
-
-- My parse yields `no_primitive = 1,652`, decomposing exactly as the commit
- states: 358 BSP-only + 1,294 shapeless.
-- The literal is not a re-derivation from the production code under test:
- its two components are the contract's §3.2 external measurements, and the
- sum is arithmetic. My parse confirms both components and the sum without
- touching `FlatCollisionAssetBuilder`.
-- The reason 1,294 was wrong for this test is correct as stated: 1,294 is a
- three-way condition including "0 physics-BSP parts", and the code path
- under test (`FlattenSetup`) resolves no GfxObjs and cannot see that
- dimension.
-
----
-
-## 4. Test quality — 4 sabotages reproduced, 1 claim disproved
-
-All runs below on a **fully clean** build (all 44 `bin`/`obj` removed first —
-see Finding F).
-
-| # | Sabotage | Claimed | Observed |
-|---|---|---|---|
-| S1 | Restore the deleted block in `LiveEntityCollisionBuilder.Build` | reddens exactly `ShapelessSetupWithRadius_ProducesNoRegistration`, nothing else | **Confirmed** — App.Tests 4,171 passed / **1 failed** / 3 skipped; the single failure is that test |
-| S2 | `Assert.Empty(fallbackReachable)` → `Assert.NotEmpty` | reddens | **Confirmed** — `Assert.NotEmpty() Failure: Collection was empty` |
-| S3 | Empty the Setup enumeration | fails on the **controls** at `0 != 5935`, not a vacuous pass | **Confirmed** — `Assert.Equal() Failure … Expected: 5935 / Actual: 0` |
-| S4 | Flip a `FromPwdBitfield` bit (`IsPK` `0x20`→`0x40`) | reddens `Build_PropagatesExactStateFlagsScaleAndFullSeedCell` | **Confirmed** — that test and only that test |
-| **S1b** *(mine)* | Restore the block in **sites 2 and 3** | *(claimed covered by Headless.Tests 89/89)* | **DISPROVED — entire suite stays green** |
-
-**Re-hosting of the deleted test's assertions: genuine, nothing dropped.**
-`Build_PropagatesExactStateFlagsScaleAndFullSeedCell`
-(`tests/AcDream.App.Tests/Physics/LiveEntityCollisionBuilderTests.cs:37-72`)
-carries the old test's live assertions verbatim — `registration.State` vs
-`record.FinalPhysicsState`, the four PWD-bitfield flags from `0x28`,
-`LandblockId` and `SeedCellId` both the full cell, and the `WorldOffsetX/Y`
-pass-through (lines 64-71). Only the two fallback-shape assertions were
-replaced, by the CylSphere-derived `0.8 / 2.4`, which preserves the *scale*
-coverage the old name advertised (`0.4 × 2`, `1.2 × 2`). S4 proves the flag
-decode is load-bearing rather than decoration.
-
----
-
-## 5. Findings
-
-### DEFECT (record, not code)
-
-**Finding A — "Headless.Tests 89/89 exercises the site-3 copy" is false;
-two of the three production deletions are pinned by no test at all.**
-`src/AcDream.Content/LandblockPhysicsContentBuilder.cs:694`,
-`src/AcDream.App/Streaming/LandblockPhysicsPublisher.cs:1041`.
-
-Evidence, three ways:
-
-1. **Sabotage S1b.** I restored the invented cylinder in *both* static sites
- and rebuilt. Result: App.Tests 4,172/3, Content.Tests 125, **Headless.Tests
- 89/89**, Core.Tests 4,263/1 — all green. The invented footprint can be put
- back into the headless-only copy and every gate the commit cites still
- passes.
-2. **Grep.** No `.cs` file under `tests/` references
- `LandblockPhysicsContentBuilder`, `PublishStaticCollision`, or
- `StaticCollisionPublication`. `PublishStaticCollision` has exactly one
- caller in the tree: `HeadlessSessionWorldProjection.cs:462`.
-3. **The headless suite says so itself.**
- `tests/AcDream.Headless.Tests/HeadlessCollisionNeighborhoodServiceWindowTests.cs:72-77`
- documents that "no lightweight DAT fixture in this test project can drive
- real 3x3 publication through `CenterOn` — its dummy `IDatReaderWriter`
- proxy makes `LandblockLoader.Load` fail for every landblock", and seeds
- `_resident` by reflection instead. `CreatePublication`
- (`HeadlessSessionWorldProjection.cs:367`) returns before line 462 on every
- headless test.
-
-**Failure scenario this permits:** a future edit to the static Setup walk in
-either publisher — reordering the Cylinder/Sphere branches, re-adding a
-summary-radius shape, changing the `setupShapes.Count` gate — lands green.
-The headless bot then collides against an invented footprint, or loses the
-Sphere-derived cylinder entirely, and nothing in CI notices; the graphical
-client is unaffected, so the divergence is invisible until someone runs a
-connected headless route.
-
-The commit's own contract predicted this exactly (§9 trap 4: *"the inverse
-trap: treating 'it's dead code' as licence to skip the headless suite"*), and
-proof obligation **P5** required *"`AcDream.Headless.Tests` green **and** a
-headless connected run"*. Neither half was satisfied: the suite passing proves
-site 3 **compiles**, not that it **runs**, and no headless connected run is
-reported. **P3** (connected registration-inventory diff) is likewise not
-reported.
-
-**Why this is not a FAIL of the code:** the deletion at sites 2 and 3 is
-textually the same eleven-line removal as site 1, its guard is provably
-unsatisfiable over the installed DAT under both `> 0f` and `> 0.0001f`, and
-the surrounding empty-payload handling is unchanged (§6 below). The behavior
-is correct; the *claim* is not.
-
-**Required correction:** amend the commit record and the AP-22 retirement text
-to say that sites 2 and 3 are covered only by the DAT reachability proof, that
-Headless.Tests exercises the site-3 file only by compilation, and that P3/P5
-were consciously substituted by the reachability argument. Optionally file a
-follow-up for a Content-layer test that drives `PublishStaticCollision` over a
-synthetic `LoadedLandblock` + `FlatSetupCollision` — that would pin sites 2/3
-cheaply and would have caught S1b.
-
-### LATENT RISK
-
-**Finding E — retail's `CSetup` declares `step_down_height` before
-`step_up_height`; ACE and DatReaderWriter read the opposite order.**
-`docs/research/named-retail/acclient.h:31129-31132` gives
-`float height; float radius; float step_down_height; float step_up_height;`,
-while `references/ACE/Source/ACE.DatLoader/FileTypes/SetupModel.cs:93-94`
-reads the 3rd serialized float as `StepUpHeight` and the 4th as
-`StepDownHeight`; `SetupInspect` (DatReaderWriter) agrees with ACE. For the
-humanoid Setup the two values are `0.600` and `1.500`, and physical
-plausibility (step **up** 0.6 m, step **down** 1.5 m) favours the
-ACE/DatReaderWriter reading — so this is most likely a
-declaration-order-vs-serialization-order artifact, not a bug. **It does not
-touch AP-22** (`radius` is field #2 and is unambiguous — 0.679 for the
-humanoid on all three decoders). But `FlatSetupCollision.StepUpHeight/
-StepDownHeight` feed TS-46 remote movement and the MoveTo path, so a swap
-would be a real physics divergence. Flagging for a 10-minute settle against
-the `0x00521240`-region disassembly; not claiming it is wrong.
-
-**Finding G — the load-bearing reachability test silently passes on a machine
-without DATs.** `InstalledSetupCollisionReachabilityTests.cs:47-49`:
-`if (datDir is null) return;`. This matches the established suite convention
-(`ConformanceDats`, `DatConcurrencyStressTests`, documented as deliberate in
-`ContentConformanceDats`'s own doc comment) and is therefore **not** a new
-skip or a rule violation. But for the single test the entire zero-risk
-argument rests on, a silent green on CI is worth more than convention: `xUnit
-v3 Assert.Skip` would make the absence visible in the 4-skip count. Style
-preference, not a defect.
-
-### STYLE / ACCURACY
-
-**Finding B — "Release build 0 errors / 0 warnings" is inaccurate.**
-`dotnet build AcDream.slnx -c Release` from a fully clean tree reports
-**21 warnings / 0 errors**. All 21 are pre-existing and all are in *test*
-projects (CS8602 ×4, CS0649 ×3, CS8767 ×3, xUnit2000/2013/2017/1025 ×5+,
-Core.Tests and App.Tests). **Zero warnings in `src/`**, and this change adds
-none. Presumably the claim meant the production build; it is stated as the
-solution build.
-
-**Finding C — the reachability test's guard comment is wrong.**
-`InstalledSetupCollisionReachabilityTests.cs:69`: *"The exact guard the three
-deleted copies used"*. Two of the three used `Radius > 0f`, not
-`> 0.0001f`, and the two predicates differ over the installed DAT by exactly
-one Setup (`0x02001657`, denormal radius). The claim happens to be safe — I
-verified the strict guard is also 0-reachable — but the comment should say
-"site 1's guard; the strict `> 0f` variant used by sites 2 and 3 is also
-verified zero", and ideally the test should evaluate both.
-
-**Finding D — the new AP-152 register row conflates a summary radius with a
-sphere radius.** It says the cottage door `0x020019FF` has a *"~14 cm base
-Sphere"*. Its base Sphere radius is **0.100 m** (bits `0x3DCCCCCD`, origin
-z = 0.018); `0.1414` is the Setup's **summary `Radius`** — precisely the field
-AP-152's own retail anchor establishes is not collision geometry. Cosmetic,
-but it is the same conflation this commit exists to retire.
-
-### PROCESS (affects anyone re-verifying, not the commit)
-
-**Finding F — this worktree's incremental build silently serves stale
-referenced assemblies; `--no-incremental` and `-t:Rebuild` are both
-insufficient.** My first three Release builds each completed in ~6 s and left
-a **stale `AcDream.App.dll`** in `tests/AcDream.App.Tests/bin/Release/net10.0/`
-that still contained the deleted fallback. Consequence: on an apparently
-"clean rebuilt" tree at `bc4679cd`,
-`ShapelessSetupWithRadius_ProducesNoRegistration` failed **deterministically**
-(3/3 whole-assembly runs, and also in complete isolation), and
-`InstalledSetups_NeverReachTheDeletedRadiusFallback` failed under
-full-solution parallelism. I spent a while treating that as a real defect. It
-is not: after `rm -rf` of all 44 `bin`/`obj` directories and a fresh build,
-everything passes. Note the failure mode is the mirror image of the one the
-brief warned about — here a **deleted** block survived in a stale referenced
-DLL and reddened the test that proves it is gone. Anyone re-checking this
-commit must delete `bin`/`obj` first.
-
----
-
-## 6. Layering / ownership — clean
-
-Nothing now depends on a shape that may be absent, and the deletion does not
-enlarge the set of shapeless entities (that set is *identical* before and
-after, because the guard was unsatisfiable).
-
-- Site 1: `if (shapes.Count == 0 && !retainEmptyPayload) return null;`
- (`LiveEntityCollisionBuilder.cs:146`) — unchanged, already the empty case.
-- Site 2: `if (setupShapes.Count > 0)` (`LandblockPhysicsPublisher.cs:1044`)
- — unchanged.
-- Site 3: `if (setupShapes.Count == 0) { noCollision++; continue; }`
- (`LandblockPhysicsContentBuilder.cs:697`) — unchanged; the `noCollision`
- counter still accounts for it in `StaticCollisionPublication`.
-- `retainEmptyPayload: true` has exactly one production caller,
- `LiveEntityAppearanceBinding.cs:100`, and flows only into
- `ReconcileAppearance` → `ReplaceMultiPartPayload`, which handles
- `shapes.Count == 0` explicitly (`ShadowObjectRegistry.cs:705-707`: no prior
- multipart + empty shapes → return).
- `LiveEntityCollisionBuilder.Register` is reachable only from
- `DatLiveEntityProjectionMaterializer.cs:840` with a default-path result,
- which can never be empty.
-- The `ShadowShapeBuilder` doc-comment correction is comment-only and does not
- change `FromSetup`'s behaviour; `ShadowShapeBuilderTests` is untouched and
- still pins the additive AP-152 behaviour as the register row says it does.
-
----
-
-## 7. Rules compliance
-
-- **No workaround / suppression flag / grace period / symptom guard.** The
- change is a pure deletion plus comment corrections. Nothing was added to
- make a symptom go away.
-- **No new skips.** 4 skipped before and after (App: `TowerAscent…`,
- `RadarLayoutFixtureGenerator`, `ChatLayoutFixtureGenerator`; Core:
- `Pvs_CottageInterior…`) — all pre-existing.
-- **No test weakened to pass.** The one replaced test gained a
- discriminating assertion set (S4 proves it) and the fixture moved from
- DAT-impossible to DAT-possible. The two new tests both fail under sabotage.
-- **Known flakes #302/#308/#321 not conflated** — none appeared in any run.
-- **Divergence register bookkeeping correct.** AP-22 retired with the
- corrected three-site list and the reachability evidence; AP-152 filed with
- sites, mitigation, risk and retail anchors; #330 filed for the pre-existing
- headless live-entity collision gap. Register row count 127.
-
-## 8. Gates I ran (all on a genuinely clean build)
-
-| Gate | Result |
-|---|---|
-| `dotnet build AcDream.slnx -c Release` after deleting all bin/obj | 0 errors, 21 pre-existing test-project warnings, 0 in `src/` |
-| Complete solution suite | **11,195 passed / 4 skipped / 0 failed** — matches the claim exactly |
-| `AcDream.App.Tests` | **4,172 passed / 3 skipped** — matches the claim |
-| `AcDream.Content.Tests` | 125 / 0 |
-| `AcDream.Headless.Tests` | 89 / 0 |
-| `AcDream.Core.Tests` / `Core.Net` / `Runtime` / `UI` / `Bake` / `Cli` | 4,263+1 skip / 764 / 1,217 / 546 / 15 / 4 |
-| Independent raw-DAT sweep | 5,935/5,935 byte-exact, 0 fallback-reachable under both guards |
-| `tools/SetupInspect` spot checks | agree bit-for-bit on `0x02000001`, `0x02000C9D`, `0x020019FF` |
-| Sabotages S1, S2, S3, S4 | all reproduce as claimed |
-| Sabotage S1b (mine) | disproves the site-2/site-3 coverage claim |
-
-Tree verified clean (`git diff HEAD` empty) after every sabotage and at the
-end of the review.
diff --git a/docs/research/2026-08-06-ap22-review-retail.md b/docs/research/2026-08-06-ap22-review-retail.md
deleted file mode 100644
index e70e9bf2..00000000
--- a/docs/research/2026-08-06-ap22-review-retail.md
+++ /dev/null
@@ -1,431 +0,0 @@
-# AP-22 retail-conformance review — commit `bc4679cd`
-
-**Date:** 2026-08-06
-**Reviewer role:** retail-conformance (adversarial), read-only
-**Subject:** `bc4679cd` — *fix(physics): delete the invented Setup-radius collision cylinder (AP-22)*
-**Worktree:** `C:\Users\erikn\source\repos\acdream\.claude\worktrees\peaceful-visvesvaraya-e0a196`
-**Branch / HEAD:** `claude/acdream-physics-divergence-5aa784` @ `bc4679cd`
-
-## Verdict
-
-**PASS.**
-
-Every load-bearing claim was re-derived from primary source without reading the
-contract's or the commit's quotations of it. The retail disassembly was produced
-independently (Capstone over the PE `.text`, section-mapped from the file, symbol
-names resolved from `docs/research/named-retail/symbols.json`), and the DAT
-reachability sweep was produced by an independently written B-tree walk and Setup
-decoder in Python, validated by byte accounting. Both reproduce the commit's
-numbers exactly. The deletion is correct, complete, and behaviour-preserving on
-the installed data.
-
-Five findings follow. **None is a defect in the shipped code.** They are one
-documentation-precision error inside the change (F1), one incompleteness in the
-register row (F2), one pre-existing stale comment the change made stale-er (F3),
-and two informational notes (F4, F5) plus one un-audited claim (F6).
-
----
-
-## 1. Binary provenance
-
-```
-py tools/pdb-extract/check_exe_pdb.py "C:/Users/erikn/Downloads/acclient.exe"
- timestamp = 0x52291f34 -> 2013-09-06T00:17:56Z
- GUID = {9e847e2f-777c-4bd9-886c-22256bb87f32} age = 1
- === MATCH: this exe pairs with our acclient.pdb ===
-```
-
-`image_base = 0x00400000`. All addresses below are VAs in that image.
-
----
-
-## 2. Claim 1 — exclusive dispatch in `CPhysicsObj::FindObjCollisions` @0x0050f050
-
-**VERIFIED, all four cited anchors byte-exact.**
-
-Independent disassembly (extent 0x0050f050 – 0x0050f32e, next symbol 0x0050f340).
-The four specifics the commit and register rest on:
-
-| Claim | Bytes at address | Verdict |
-|---|---|---|
-| `OK_TS` seed | `0x0050f13b bf 01 00 00 00 mov edi, 1` | exact |
-| BSP dispatch | `0x0050f165 f7 86 a8 00 00 00 00 00 01 00 test dword ptr [esi+0xa8], 0x10000` then `0x0050f16f 74 31 je 0x50f1a2` | exact |
-| BSP branch cannot reach the primitive branches | `0x0050f19d e9 0e 01 00 00 jmp 0x50f2b0` — unconditional | exact |
-| zero spheres → epilogue | `0x0050f22f 0f 84 e6 00 00 00 je 0x50f31b` | exact |
-
-Control-flow reading (mine, not the contract's):
-
-- **BSP branch** (0x0050f171–0x0050f19d): guarded by `HAS_PHYSICS_BSP_PS`; null
- part-array → `je 0x50f31b` (epilogue); otherwise
- `call 0x518180 CPartArray::FindObjCollisions`, `edi = eax`; `edi == 1` →
- `je 0x50f31b`; else the unconditional `jmp 0x50f2b0` into the collision-report
- tail. **It cannot fall into either primitive loop.**
-- **CylSphere branch** (0x0050f1a2–0x0050f21b): entered only when the BSP bit is
- clear. Null part-array or `GetNumCylsphere() == 0` → `je 0x50f21d` (the Sphere
- branch). With cylspheres present the loop runs; **loop completion exits at
- `0x0050f1d6 jae 0x50f317` → 0x50f31b epilogue**, i.e. a CylSphere-bearing object
- that survives its loop returns and never reaches the Sphere loop. A non-`OK`
- result leaves at `0x0050f211 jne 0x50f2ac` → the 0x50f2b0 report tail.
-- **Sphere branch** (0x0050f21d–0x0050f2aa): null part-array → epilogue;
- `GetNumSphere() == 0` → the cited `0x0050f22f je 0x50f31b`.
-- **Epilogue** 0x0050f31b: `mov eax, edi` / `mov dword ptr [ebx+0x1cc], 0` /
- `ret 4`. With no BSP, no cylspheres and no spheres, `edi` is still the 1 seeded
- at 0x0050f13b, and `COLLISIONINFO::add_object` is never reached.
-
-So the dispatch is **BSP, else CylSpheres if any, else Spheres if any, else
-nothing** — exclusive, and a shapeless object returns `OK_TS` with no shape
-synthesized and no collision recorded.
-
-Two corroborations that the operand decode is right rather than merely plausible:
-`0x0050f061 test al, 4` and `0x0050f095 test al, 4` on the same `[esi+0xa8]` are
-`ETHEREAL_PS = 0x4`, and `HAS_PHYSICS_BSP_PS = 0x10000` — both from
-`docs/research/named-retail/acclient.h:2815–2833`. `[esi+0xa8]` is therefore
-`CPhysicsObj::state`, not an adjacent field.
-
----
-
-## 3. Claim 2 — `CPartArray::GetRadius`/`GetHeight` absent from the call set
-
-**VERIFIED, at three levels.**
-
-**(a) Direct calls in the function.** The complete `E8`-encoded call set of
-0x0050f050–0x0050f32e is exactly the nine symbols the register row lists:
-
-`OBJECTINFO::missile_ignore` 0x0050ceb0 (×3) · `CPartArray::FindObjCollisions`
-0x00518180 · `CPartArray::GetNumCylsphere` 0x00518080 (×2) ·
-`CPartArray::GetCylsphere` 0x00518090 · `CCylSphere::intersects_sphere`
-0x0053b8f0 · `CPartArray::GetNumSphere` 0x00518060 (×2) ·
-`CPartArray::GetSphere` 0x00518070 · `CSphere::intersects_sphere` 0x00537fd0 ·
-`COLLISIONINFO::add_object` 0x006b4e20.
-
-Neither 0x005180a0 nor 0x005180b0 appears. (The six indirect
-`call dword ptr [reg+N]` sites are all vtable calls on `[esi+0x12c]`, the weenie
-object — not the part array. The register row omits them; that omission is
-correct in substance and worth nothing further.)
-
-**(b) Whole-binary xref, the other direction.** Scanning every `E8`/`E9` rel32 in
-`.text` for targets 0x005180a0 / 0x005180b0 yields **six callers each**, and none
-lies inside `[0x0050f050, 0x0050f340)`:
-
-```
-CPartArray::GetRadius 0x005180a0 <- CPhysicsObj::GetRadius+0x7 (tail jmp),
- check_attack+0x47, get_distance_to_object+0x38, get_distance_to_object+0x6c,
- stick_to_object+0x4e, MoveToObject+0x9e
-CPartArray::GetHeight 0x005180b0 <- CPhysicsObj::GetHeight+0x7 (tail jmp),
- check_attack+0x2d, get_distance_to_object+0x1e, get_distance_to_object+0x52,
- stick_to_object+0x34, MoveToObject+0x84
-```
-
-**(c) Transitively, through the one branch that delegates.**
-`CPartArray::FindObjCollisions` 0x00518180 is a bare loop over
-`[this+0x5c][i]` calling `CPhysicsPart::find_obj_collisions` and breaking on a
-non-`OK` result — no radius/height. See §5 for the callee.
-
-**Conclusion: the justification for deletion holds.** Retail never converts
-`Setup.Radius`/`Height` into collision geometry.
-
----
-
-## 4. Claim 3 — where retail *does* use setup radius/height
-
-**VERIFIED; the deleted values have a real, non-collision home.**
-
-`CPartArray::GetRadius` @0x005180a0 is four instructions:
-
-```
-mov eax, dword ptr [ecx+0x54] ; this->setup
-fld dword ptr [eax+0x64] ; setup->radius
-fmul dword ptr [ecx+0x68] ; * this->scale
-ret
-```
-
-`GetHeight` @0x005180b0 is the same shape. That is exactly acdream's
-`LiveEntityMotionRuntimeController.GetSetupCylinder`
-(`src/AcDream.App/Physics/LiveEntityMotionRuntimeController.cs:284` —
-`return (setup.Radius * scale, setup.Height * scale);`), which the AP-22 row
-calls retail-faithful and untouched. It is.
-
-Consumers, spot-checked to the call:
-
-- **Attack cones** — `CPhysicsObj::check_attack` 0x0050ec80 reads
- `GetHeight` @0x0050ecad and `GetRadius` @0x0050ecc7, then
- `call 0x00536ab0 CSphere::attack`.
-- **`cylinder_distance`** — `CPhysicsObj::get_distance_to_object` 0x0050f7a0
- reads both for self and target (0x0050f7be / 0x0050f7d8 / 0x0050f7f2 /
- 0x0050f80c) then `call 0x005a97f0 Position::cylinder_distance`.
-- **MoveTo / sticky family** — `CPhysicsObj::stick_to_object` 0x005127e0,
- `CPhysicsObj::MoveToObject` 0x00512860, and via the `CPhysicsObj::GetRadius`
- (0x0050e9c0) / `GetHeight` (0x0050e9e0) thunks:
- `DetectionManager::CheckDetection`, `MoveToManager::GetCurrentDistance`,
- `StickyManager::adjust_offset`.
-
-See F4 for the one consumer that is collision-adjacent and not named in the row.
-
----
-
-## 5. Claim 4 — the corrected `ShadowShapeBuilder` anchor
-
-**VERIFIED. The previous comment was false; the replacement is exact.**
-
-`CPhysicsPart::find_obj_collisions` @0x0050d8d0, whole body (0x50d8d0–0x50d8e0
-is the extent to the next symbol at 0x50d920):
-
-```
-0x0050d8d3 mov ecx, [esi+0x20] ; CGfxObj **gfxobj
-0x0050d8d6 mov ecx, [ecx] ; CGfxObj *
-0x0050d8d8 test ecx, ecx
-0x0050d8da mov eax, 1 ; OK_TS
-0x0050d8df je 0x50d90d ; -> return 1
-0x0050d8e1 mov edx, [ecx+0x78] ; gfxobj->physics_bsp
-0x0050d8e4 test edx, edx
-0x0050d8e6 je 0x50d90d ; -> return 1
- ... call 0x50c9d0 SPHEREPATH::cache_localspace_sphere
- ... call 0x534700 CGfxObj::find_obj_collisions
-```
-
-There is **no CylSphere test inside a part**, so the old comment
-("each part's `find_obj_collisions` tests CylSpheres + GfxObj BSP") was wrong and
-its correction is warranted.
-
-Both struct offsets were verified rather than assumed, from
-`docs/research/named-retail/acclient.h`:
-
-- `CPhysicsPart` (h:31151): `CYpt` 0 · `viewer_heading` 4–16 · `degrades` 16 ·
- `deg_level` 20 · `deg_mode` 24 · `draw_state` 28 · **`CGfxObj **gfxobj` at 32 =
- +0x20** · `gfxobj_scale` 36–48 · `pos` at 48 = +0x30, which is exactly the
- `lea eax,[esi+0x30]` pushed to `cache_localspace_sphere`.
-- `CGfxObj : DBObj` (h:31712) with `DBObj : Interface` (h:27570) and
- `CVertexArray` (h:31300): DBObj 48 (vfptr 4, category 4, bool+pad 8,
- `long double` 8, 4 pointers/ints 16, DID 4, bool+pad 4) + material/num_surfaces/
- m_rgSurfaces 12 + CVertexArray 40 + num_physics_polygons/physics_polygons/
- constructed_mesh/use_built_mesh 16 + physics_sphere 4 = **120 = +0x78 =
- `BSPTREE *physics_bsp`**.
-
----
-
-## 6. Claim 5 — every cited address is the construct claimed
-
-**VERIFIED.** Every address appearing in the AP-22 row, the AP-152 row, and both
-code comments was resolved against `symbols.json` by nearest-preceding-symbol so
-an off-by-one landing inside a neighbour would surface (the AP-150 failure mode):
-
-```
-0x00518060 CPartArray::GetNumSphere EXACT
-0x00518070 CPartArray::GetSphere EXACT
-0x00518080 CPartArray::GetNumCylsphere EXACT
-0x00518090 CPartArray::GetCylsphere EXACT
-0x00518110 CPartArray::CacheHasPhysicsBSP EXACT
-0x0050f570 CPhysicsObj::CacheHasPhysicsBSP EXACT
-0x0053b8f0 CCylSphere::intersects_sphere EXACT
-0x00537fd0 CSphere::intersects_sphere EXACT
-0x006b4e20 COLLISIONINFO::add_object EXACT
-0x0050ceb0 OBJECTINFO::missile_ignore EXACT
-0x0050ec80 CPhysicsObj::check_attack EXACT
-0x0050f7a0 CPhysicsObj::get_distance_to_object EXACT
-0x005180a0 CPartArray::GetRadius EXACT
-0x005180b0 CPartArray::GetHeight EXACT
-0x0050d8d0 CPhysicsPart::find_obj_collisions EXACT
-0x0050f050 CPhysicsObj::FindObjCollisions EXACT
-```
-
-No mis-cited line. (`0x00537a80` in the pre-existing comment at
-`tests/AcDream.Core.Tests/Physics/ShadowShapeBuilderTests.cs:81` also resolves
-EXACT — it is a second overload of `CSphere::intersects_sphere`, not an error.)
-
----
-
-## 7. The empirical claim — independent DAT sweep
-
-Written from scratch: DAT header at 0x140, 1024-byte block chain walk, B-tree
-directory traversal (62 branches / 61 entries / 24-byte rows), Setup record decode
-per the format cross-read from `references/DatReaderWriter` `Setup.generated.cs`.
-Self-validating: each of the 5,935 records must land on a residual tail of exactly
-`20 + 48 * numLights`.
-
-```
-parsed OK: 5935 / 5935 (bad accounting: 0)
-cylsphere = 678 sphere-only = 3605 no primitive = 1652
-radius > 0.0001 = 4282 radius > 0 = 4283
-GUARD (no cyl & no sph & radius > 0.0001) = 0
-GUARD (no cyl & no sph & radius > 0.0) = 0
-no-primitive Setups with radius != 0 exactly: 0
-```
-
-Every number matches the commit and the test's five control constants
-(5935 / 678 / 3605 / 1652 / 4282). **The deleted branch was unreachable for all
-5,935 installed Setups, at both guard thresholds.** Nothing in game loses a
-collision shape; no visual gate is required, as claimed.
-
----
-
-## 8. Completeness of the deletion
-
-- **Three sites and no fourth.** A whole-`src` grep for `setup.Radius` /
- `setup.Height` outside tests returns only
- `LiveEntityMotionRuntimeController.cs:284` (the retail-faithful
- `GetSetupCylinder`), `PhysicsDataCache.cs:391–392` (verbatim storage), and
- comments. No surviving copy.
-- **Site 3 really is headless-only.**
- `LandblockPhysicsContentBuilder.PublishStaticCollision`
- (`src/AcDream.Content/LandblockPhysicsContentBuilder.cs:592`) has exactly one
- production caller: `src/AcDream.Headless/Hosting/HeadlessSessionWorldProjection.cs:462`.
-- **`FlattenSetup` copies `Radius` verbatim** (`FlatCollisionAssetBuilder.cs:277`),
- so the sweep's `flat.Radius` is the same float the deleted guards read.
-- **Both static paths are genuinely exclusive**, as AP-152 asserts:
- `LandblockPhysicsPublisher.cs:985` gates the whole Setup walk on
- `entityBspCount == 0`; `LandblockPhysicsContentBuilder.cs:617–632` registers BSP
- shapes and `continue`s. Sphere emission is gated on `Cylinders.Length == 0` in
- both — matching retail's fall-through order.
-
----
-
-## 9. Bookkeeping
-
-| Item | Verdict |
-|---|---|
-| AP-22 retirement earned by the code, not asserted | **Yes.** Struck-through, past tense, three-site list correct, byte anchors correct, and its stated nine-symbol call set matches my disassembly exactly. |
-| AP-152 scoped honestly | **Yes.** Its structural claim, its three cited addresses, and the two `CacheHasPhysicsBSP` anchors all verify. It correctly notes `ShadowShapeBuilderTests.FromSetup_DoorSetup_ProducesFourShapes` PINS the additive behaviour — verified: that test asserts 1 Sphere + 3 BSP shapes from one Setup and would have to be rewritten. It also correctly notes the internal inconsistency with the two static paths. |
-| #330 distinguished from #291 | **Yes.** `docs/ISSUES.md:1260` shows #291 is the headless **3×3 collision window** wanting a divergence-register row; #330 is "no live-entity shape is ever built on the headless host". Different objects, no overlap. Both premises re-checked: `ShadowShapeBuilder.FromSetup` has one production caller in `AcDream.App`, and `AcDream.Headless.csproj` references only `AcDream.Runtime`. |
-| Section-3 header count 105 | **Reconciles.** `bcb66ccd` said 105; `bc4679cd` says 105; a mechanical count of active (non-struck) AP rows in section 3 returns **exactly 105**, with no duplicate ids and max id AP-152. |
-
----
-
-## 10. Gates reproduced
-
-| Gate | Result |
-|---|---|
-| `dotnet build -c Release AcDream.slnx` | 0 errors, 0 warnings |
-| `AcDream.Content.Tests` | 125 / 125 |
-| `AcDream.App.Tests` | 4,171 passed / 3 skipped (with sabotage in place; 4,172/3 clean) |
-| `AcDream.Core.Tests` — `ShadowShapeBuilderTests` | 8 / 8 |
-| `AcDream.Headless.Tests` | 89 / 89 |
-
-**Sabotage checks, both restored:**
-
-1. `ExpectedWithCylinder 678 → 679` in
- `InstalledSetupCollisionReachabilityTests` **reddens** with
- `Expected: 679 / Actual: 678`. The test genuinely enumerates the installed DAT
- through `FlatCollisionAssetBuilder.FlattenSetup` and measures 678 — it is not
- vacuous on this machine, and its measurement equals my independent parse.
-2. Restoring the deleted block into `LiveEntityCollisionBuilder.Build` reddens
- **exactly one** test across the full 4,175-test App suite:
- `LiveEntityCollisionBuilderTests.ShapelessSetupWithRadius_ProducesNoRegistration`.
- The commit's claim that the new fact is precisely inverse to the deleted one
- holds.
-
-`git status --porcelain` is empty at HEAD `bc4679cd` after both restorations.
-
----
-
-## 11. Findings
-
-### F1 — LOW (documentation precision, inside the change)
-
-`tests/AcDream.Content.Tests/InstalledSetupCollisionReachabilityTests.cs:76`
-comments the predicate `!hasCylinder && !hasSphere && flat.Radius > 0.0001f` as
-**"The exact guard the three deleted copies used."** It is not exact. Only site 1
-(`LiveEntityCollisionBuilder`) used `> 0.0001f`; sites 2 and 3
-(`LandblockPhysicsPublisher.cs`, `LandblockPhysicsContentBuilder.cs`) used the
-strictly wider `setup.Radius > 0f`. The test therefore does not evaluate the guard
-of two of the three sites it claims to pin.
-
-Harmless in fact — I measured the `> 0f` variant myself and it is also **0**,
-because every no-primitive Setup has `Radius` exactly `0.0` — but the sentence
-asserts a coverage identity the code does not have. **In-game consequence: none.**
-Risk: a future reader trusting the comment could relax a `> 0f` site believing it
-was pinned. Cheapest correction is to evaluate `flat.Radius > 0f` (the wider
-guard, still `Empty`) or to reword.
-
-### F2 — LOW (register incompleteness)
-
-The AP-22 row states *"all 1,294 genuinely shapeless Setups have `Radius` exactly
-0."* True, but it is the weaker of the two available statements and it leaves the
-358 BSP-only Setups unaddressed — and those are precisely the ones sites 2/3's
-`Cylinders.Length == 0 && Spheres.Length == 0 && Radius > 0f` guard would have
-fired on had their radii been nonzero. Sites 2/3 were saved twice over: by the
-outer `entityBspCount == 0` / BSP-`continue` gate, **and** by those 358 radii also
-being exactly zero. My sweep establishes the stronger fact: **all 1,652 Setups
-with no CylSphere and no Sphere have `Radius` exactly `0.0`**. One clause in the
-row would close it. `docs/architecture/retail-divergence-register.md:200`.
-
-### F3 — LOW (stale doc, pre-existing, made stale-er here)
-
-`src/AcDream.Core/World/WorldEntity.cs:154–164` documents `Scale` as being
-*"used by the collision registration path to scale CylSphere / Sphere /
-**Setup.Radius** shapes."* After `bc4679cd` there is no Setup.Radius shape on any
-path. A three-word doc fix that would naturally have ridden along with the
-deletion. No behavioural effect.
-
-### F4 — INFORMATIONAL (a precision the row would benefit from)
-
-AP-22's blanket *"`Setup.Radius`/`Height` serve attack cones, `cylinder_distance`
-and MoveTo, never collision geometry"* is true of retail's **shape dispatch**, but
-retail does read `CPhysicsObj::GetHeight` twice inside
-`CPhysicsObj::report_object_collision` — at `0x005130f4` and `0x005131c2`, each
-immediately feeding `call 0x005a9580 Position::determine_quadrant` for the
-`AtkCollisionProfile` / `ObjCollisionProfile`. That is a post-collision **report**
-field (which body quadrant was struck), not geometry, so the row's conclusion is
-unaffected; but a future reader who finds `GetHeight` in a function named
-`report_object_collision` may believe they have refuted the row. One clause
-("…and the collision *report*'s quadrant, never its geometry") pre-empts that.
-
-Related, same axis, out of AP-22's scope: acdream still derives a **mover** sphere
-from `setup.Radius`/`Height` as the TS-46 fallback
-(`src/AcDream.Runtime/Physics/RuntimeRemotePhysicsUpdater.cs:376–392`, the
-`deR`/`deH` reconstruction used only when the Setup carries no sphere rows). That
-is the mover's own sweep volume, not the target's collision shape, so it is a
-different question — but it lives under the same sentence and is worth knowing
-about before someone reads AP-22 as a blanket prohibition.
-
-### F5 — INFORMATIONAL (evidence is machine-local)
-
-`InstalledSetupCollisionReachabilityTests` returns silently when
-`ContentConformanceDats.ResolveDatDir()` finds no DAT directory, so on a DAT-less
-CI it passes vacuously — including its five positive controls, whose whole purpose
-is to prevent vacuous passes. This is the documented suite convention
-(`ContentConformanceDats` says so explicitly and cites the Core.Tests precedent),
-so it is not a new sin and I am not asking for a change. It does mean the
-strongest evidence for this commit only actually runs on a machine with the
-client installed.
-
-### F6 — NOT AUDITED (declared, not disputed)
-
-AP-152's *"172 of 5,935 Setups (73 CylSphere+BSP, 99 Sphere+BSP)"* and AP-22's
-1,652 → 1,294 + 358 split both require GfxObj physics-BSP presence, which a
-Setup-only parse cannot see; I did not build a GfxObj decoder. Nothing I measured
-contradicts them (1,652 no-primitive is exactly 1,294 + 358, and 358 + 172 = 530
-Setups with ≥1 BSP part is internally consistent), and AP-152 is a filed
-divergence rather than a code change, so the stakes are low. The cottage-door
-`0x020019FF` example and its ~14 cm base sphere are likewise unverified. Flagged
-so the PASS is not read as covering them.
-
----
-
-## 12. What was checked, so the PASS is auditable
-
-1. EXE↔PDB pairing via `check_exe_pdb.py` → `MATCH`.
-2. Full independent disassembly of `CPhysicsObj::FindObjCollisions`
- (0x0050f050, 0x2f0 bytes) — control flow, all four cited anchors, the epilogue,
- and the CylSphere loop-completion exit.
-3. `PhysicsState` bit values cross-read from `acclient.h` to confirm the operand
- decode (`ETHEREAL_PS 0x4`, `HAS_PHYSICS_BSP_PS 0x10000`).
-4. Complete direct call set of that function; whole-`.text` rel32 xref of
- `CPartArray::GetRadius` / `GetHeight` in the reverse direction.
-5. Disassembly of `CPartArray::GetRadius`/`GetHeight`,
- `CPartArray::FindObjCollisions`, `CPhysicsPart::find_obj_collisions`.
-6. `CGfxObj` / `CPhysicsPart` field-offset arithmetic from `acclient.h` to confirm
- `+0x78` = `physics_bsp` and `+0x20` = `gfxobj`.
-7. Call-site inspection of `check_attack`, `get_distance_to_object`,
- `report_object_collision` to place the deleted values in a legitimate home.
-8. Nearest-preceding-symbol resolution of all 16 addresses cited across the two
- register rows and both code comments.
-9. Independent Python DAT B-tree walk + Setup decode of all 5,935 Setups, byte
- accounted, at both guard thresholds.
-10. Diff read of all four production files and both test files; grep sweep for a
- fourth copy; caller counts for `PublishStaticCollision` and
- `ShadowShapeBuilder.FromSetup`; `FlattenSetup` radius provenance;
- exclusivity of both static paths.
-11. Register row text (AP-22, AP-152), section-3 header count vs. a mechanical
- count of active rows, retire-next shortlist, ISSUES #330 vs. #291.
-12. Release build; Content / App / Core-`ShadowShapeBuilder` / Headless suites;
- two sabotage experiments, both restored; `git status` clean at `bc4679cd`.
diff --git a/docs/research/2026-08-06-c5c-closeout-handoff.md b/docs/research/2026-08-06-c5c-closeout-handoff.md
deleted file mode 100644
index b7b0f160..00000000
--- a/docs/research/2026-08-06-c5c-closeout-handoff.md
+++ /dev/null
@@ -1,360 +0,0 @@
-# C5c closeout + successor handoff — the placement cutover's automated half is done (2026-08-06)
-
-> # GATES CLOSED 2026-08-07 — the owed connected batch ran and USER-PASSED
->
-> The full six-part sitting ran the morning of 2026-08-07 on the post-S4
-> binary: nine-stop tour, portal repetition, the cancelled-teleport
-> vanish-and-return, equipped-item teleport, two-client observation
-> ("All of that pass"), and the fresh-process logout/relaunch/reconnect
-> ("Looks good" — graceful logout cleared the ACE session instantly, login
-> returned to the exact last location). Log evidence (`morning-gate.log`,
-> `reconnect-gate.log`): 19 reveal generations, 17 materializations, one
-> cancel correctly superseded by its immediate replacement, zero hangs,
-> zero wait-cues, zero invariant failures.
->
-> **Honest residuals, recorded not hidden:** the placement probe families
-> were not armed during the sitting (only the edge-slide and step-height
-> probes were), so route-7's THIN `cause=propagate` evidence was not
-> thickened and 4b-3's `cause=cellless` case remains unexercised — its
-> trigger was never established and no known recipe produces it. Both
-> rows close as user-passed-with-thin-log-evidence; if either mechanism
-> regresses, the symptom-side gates above are what will catch it.
->
-> **The probe-family strip is now UNBLOCKED** and queued behind the
-> in-flight Campaign S slice (build-slot ordering).
-
-**Read this before any C5c or post-campaign work.** It is the successor to
-`2026-08-05-c4-closeout-handoff.md` (whose ⚠ BISECT HAZARD block still
-applies and is repeated in §6).
-
-Branch `claude/acdream-physics-divergence-5aa784`, 21 commits from `02578441`
-to `7b3e2895`.
-
-**CORRECTED 2026-08-06 — the original line here said "Nothing is pushed — the
-branch does not exist on the remote, and there are 388+ unpushed commits ahead
-of `origin/main`". That was FALSE, and false in the direction that would most
-alarm a successor.** The campaign was merged to `main` and pushed the same day:
-`main` and `github/main` are both `d4e956b4`, and `git branch --contains
-7b3e2895` lists `main`.
-
-**The measurement error, because it will recur.** This repo has TWO remotes.
-`github` (`git@github.com:eriknihlen/acdream.git`) is the primary. `origin`
-(`https://git.snakedesert.se/erik/acdream.git`) is a second self-hosted mirror
-that had simply not been pushed to since `f6275f45` — `main` was 412 commits
-ahead of it, which is where "388+ unpushed" came from.
-
-**A first correction to this correction, since it was itself stated wrongly
-once:** the local `origin/main` ref was NOT stale. A fresh `git fetch origin`
-returned it unchanged at `f6275f45`, so the *remote* was genuinely behind; the
-ref was accurate all along. The error was never a caching artefact — it was
-reading a lagging MIRROR as if it were the live remote and concluding the work
-was unpushed.
-
-**The rule:** in this repo, `origin` is a mirror and may lag arbitrarily.
-Measure push state against `github/main`, or better, against the question you
-actually mean — `git branch --contains `.
-
-**Both remotes were brought to parity 2026-08-06** by the #333/#334 merge:
-`main`, `github/main` and `origin/main` are all `0ce54a5c`.
-
----
-
-## 1. One-paragraph state
-
-Every implementation item in the placement cutover campaign is now landed and
-dual-reviewed. **C5b** (classify-before-merge), **#280** (portal destination
-prefetch), **#276's remainder**, **AP-22** and **AD-10** all shipped with both
-review lenses PASS. **#309** was accepted as a standing divergence by user
-decision rather than fixed. What remains for C5c is **entirely connected/visual
-work plus the ledger close** — none of it can be done without the user at the
-client, and the probe strip cannot be done before it.
-
----
-
-## 2. What landed, by slice
-
-| Slice | Commits | Outcome |
-|---|---|---|
-| **C5b** — classify before merge (#275) | `735f0a72`, `ed806997`, `23aa62f2`, `ff100cf3`, `9ee9c1a1` | Retired **AP-131** and **AD-60**'s legacy half. Seven production lines; five commits, because the review found a headless regression the change itself introduced. |
-| **#280** — portal destination prefetch | `3aab05b0`, `73cdb95c`, `bcb66ccd` | Reveal window now derives from the live streaming radii. **D-1**, an unrecoverable portal hang, was found by review and fixed. |
-| **#276 remainder** | `408c8e8f`, `fafc0b65` | Settle now adopts the transition's resolved cell across an indoor seam. |
-| **#316**, **#317** | `429775d4`, `1d2d4bb8` | Report-only investigations. #316 **cosmetic**; #317 **no retail basis**. |
-| **#309** | `43cfdc4a` | **Accepted as a standing divergence** (user decision), not a planned fix. AP-136 is its permanent record. |
-| **AP-22** | `bc4679cd`, `619de97a`, `ef976c6d` | Invented collision cylinder deleted in **all three** copies. Row retired. |
-| **AD-10** | `fe6ee877`, `886333a2`, `fb454b74`, `2223ed17`, `7b3e2895` | **Retired by deletion** — its stated justification was false at HEAD. |
-
----
-
-## 2.5 C5c's automated gate — PASS
-
-Run at `7b3e2895` on the final binary, **after deleting all 44 `bin`/`obj`
-directories** (see §7 rule 4 — this session had three stale-artifact
-incidents, so an incremental result would not have been evidence):
-
-```
-dotnet test AcDream.slnx -c Release -m:1 # ACDREAM_PAK_PATH set
-```
-
-**11,196 passed / 4 skipped / 0 failed**, all nine projects:
-
-| Project | Passed | Skipped |
-|---|---|---|
-| AcDream.App.Tests | 4,172 | 3 |
-| AcDream.Core.Tests | 4,261 | 1 |
-| AcDream.Runtime.Tests | 1,220 | 0 |
-| AcDream.Core.Net.Tests | 764 | 0 |
-| AcDream.UI.Abstractions.Tests | 546 | 0 |
-| AcDream.Content.Tests | 125 | 0 |
-| AcDream.Headless.Tests | 89 | 0 |
-| AcDream.Bake.Tests | 15 | 0 |
-| AcDream.Cli.Tests | 4 | 0 |
-
-The 4 skips are the pre-existing set; no new skip was added anywhere in the
-campaign. **None of the three known load-sensitive flakes (#302, #308, #321)
-fired** in this run — but they are separately filed and must never be
-conflated if one does.
-
-Net movement across the campaign: 11,106 at `02578441` → **11,196**, +90.
-
----
-
-## 2.6 Connected gate — #280 USER-PASSED 2026-08-06; the rest NOT RUN
-
-**#280's reveal gate: PASS, user-accepted.** User's words: *"now portal space
-takes longer but terrain is complete when I exit."* Both halves are the
-criteria the gate specified — a measurably longer hold (the fix doing its job)
-and a complete destination on reveal (the acceptance).
-
-Probe evidence, `ACDREAM_PROBE_PARK=1`, retail UI, Release, `ACDREAM_STREAM_RADIUS`
-unset (`c5c-gate-after2.log`):
-
-- **Three Portal reveals plus a Login reveal, every one at `radius=12`.**
- Pre-#280 this was a hardcoded `1`.
-- Each portal hold raised the wait cue at ~5.0 s (`elapsedMs=5031 / 5000 /
- 5010`) before `materialized → world-visible → complete`.
-- Generation 4 revealed cell `0x3032001C` — the same cell as generation 1's
- login, i.e. a repeat visit to an already-seen landblock.
-- The park path was exercised (95 `[park...]` lines).
-
-**An accidental but genuine A/B.** An earlier run in the same session set
-`ACDREAM_PROBE_REVEAL_RADIUS=1`, which is a radius VALUE, not an on/off flag —
-so it forced the pre-fix window. The user observed the original defect
-(landscape building in the background) with `radius=1` on every probe line, and
-did not observe it with `radius=12`. That is the before/after pair the gate
-asked for, obtained by accident. **Successors: this probe overrides the radius;
-it does not merely enable logging.**
-
-### NOT RUN — do not read this section as gate coverage
-
-| Owed gate | Status |
-|---|---|
-| D-1's two reachability scenarios (double-recall to the same landblock with a walk between; mid-hold quality-preset drop) | **NOT RUN.** Generation 4's repeat visit is suggestive but is not the demote path D-1 needs. |
-| AP-136's six-step park check | **NOT RUN as the six-step protocol.** The probe fired 95 times incidentally; that is not the check. |
-| Route-7 thickening | **NOT RUN** — `ACDREAM_PROBE_REMOTE_TELEPORT` recorded **0** lines; no remote teleport occurred. |
-| Two-client observation | **NOT RUN** |
-| Canonical nine-stop soak | **NOT RUN** |
-| Lifecycle/reconnect route on the final binary | **NOT RUN** |
-| AD-65 / AD-66 local-player visual gate | **NOT RUN** |
-
-The campaign ledger closes with these outstanding **by user direction**, not
-because they were discharged. Anyone citing "C5c passed" must cite §2.6's table
-alongside it.
-
----
-
-## 3. WHAT C5C STILL OWES — all of it needs the user
-
-Nothing below can be discharged without a live client. The automated half is
-complete.
-
-### 3.1 Connected gates, batched into one sitting
-
-1. **#280's reveal gate.** The user's original repro was a **recall**, so the
- route needs a **lifestone leg**, not only `/teleloc`, plus a first-login
- stop. A/B with `ACDREAM_PROBE_REVEAL_RADIUS`, `ACDREAM_STREAM_RADIUS`
- unset. The pre-fix run is *expected to show the defect*; the post-fix hold
- must be measurably **longer**. If it isn't, the gate widened nothing.
-2. **#280 D-1's two reachability scenarios, never reproduced live**: two
- consecutive recalls to the **same** landblock with walking in between, and
- a mid-hold quality-preset drop. Both are fixed and unit-covered; neither has
- been seen on a running client.
-3. **AP-136's six-step park check** — `ACDREAM_PROBE_PARK=1`. **This survives
- #309's deferral**: it validates the SHIPPED rollback path
- (`restorableOnCancel` in `SubmitPreparedPlacementCore`, the shared core
- behind every production placement), not the deferred fix.
-4. **Route-7 thickening** — its gate passed on one `cause=propagate` probe line;
- the evidence is THIN.
-5. **AD-65 / AD-66** need a local-player visual gate before any fix (see §5).
-6. **C5c proper**: two-client observation, canonical nine-stop soak,
- lifecycle/reconnect route on the final binary, and the user's visual matrix.
-7. **AP-156 — the BSP flood-sphere placement fix (`b52967de`).**
- **The criterion is CONTAINMENT, not size, and a null result on tall props is
- EXPECTED.** Two things must be said to the user before this one is run, or
- its outcome will be misread in both directions:
- - *"A prop stopped blocking"* is **not** by itself a bug report. AP-156
- shrinks the flood for 143 of the 172 AP-152 Setups on purpose, because
- retail's BSP branch (`calc_cross_cells` @0x00515230, `0x0051528f jne`)
- contributes **no primitive at all** — the old flood was larger only
- because it included a sphere retail never reads. The question to ask of
- any such observation is whether the object's own BSP geometry still
- reaches the cell it stopped blocking from. If it does, that is a bug; if
- it does not, that is retail.
- - *"A tall prop STILL does not block"* is the expected symptom of
- **AP-158 / #333**, not of this fix. AP-156 puts the geometry in the right
- cell; acdream's own `maxReach` broadphase filter — which retail does not
- have at all — then discards it one layer down, for 118 of the 477 unique
- installed physics-BSP GfxObjs. **A null result on tall props is not
- evidence against AP-156.** Run this gate after #333, or run it on
- short/wide off-centre props where the offset is inside the ~2.5 m budget.
-
- Population, for the user: the change touches **525 of the 530** BSP-bearing
- Setups (not the 172 the commit body names — that is AP-152's dispatch
- population). See the AP-156 register row.
-
-### 3.2 Then, and only then
-
-**The probe strip — DEFERRED 2026-08-06, deliberately, and the ledger closes
-without it.**
-
-Six flags — `ACDREAM_PROBE_REMOTE_LANDING`, `ACDREAM_PROBE_REMOTE_SLIDE`,
-`ACDREAM_PROBE_PARK`, `ACDREAM_PROBE_REMOTE_TELEPORT`,
-`ACDREAM_PROBE_CHILD_CELL`, `ACDREAM_PROBE_LOCAL_TELEPORT` — plus
-`ACDREAM_PROBE_REVEAL_RADIUS`.
-
-**Not stripped, because §2.6's table says their gates were never run.** Only
-#280's reveal gate was discharged. Route-7 thickening recorded zero
-remote-teleport lines; AP-136's six-step park protocol was not performed; the
-two-client observation, nine-stop soak and lifecycle/reconnect route did not
-happen. Stripping the family now would delete exactly the instrumentation
-those still-owed gates need, which is the failure this section was written to
-prevent — so honouring it means *not* stripping, even though the campaign is
-closing.
-
-`ACDREAM_PROBE_REVEAL_RADIUS` is kept too, despite #280 being closed: **AP-149**
-(outer ring accepts terrain-only) and **#326** (the missing Viewing Distance
-option) are both open and both would want the same A/B harness. Retiring it now
-would mean rebuilding it.
-
-**Successor:** strip the family when the §2.6 gates are actually run, not on a
-calendar. Note again that `ACDREAM_PROBE_REVEAL_RADIUS` is a radius **value**,
-not a boolean — setting it to `1` silently reproduces the pre-#280 defect.
-
-### 3.3 Then close the ledger
-
-Register / roadmap / milestones / memory, and the campaign ledger close.
-
----
-
-## 4. Issues filed this session
-
-| # | Subject |
-|---|---|
-| **#321** | `DatSoundCacheTests` concurrent-decode dedup, full-suite load (third load-sensitive flake) |
-| **#322** | Two callers compute the same pre-placement flags from the same inputs |
-| **#323** | A far-snap store can silently stale a pending initial-create receipt |
-| **#324** | Graphical and no-window hosts run parallel, non-shared inbound routes |
-| **#325** | **Gate A's teleport test is narrower than retail's** — `==` where retail is "not older" |
-| **#326** | acdream has no Viewing Distance option (retail's `Render.LandscapeDrawDistance`) |
-| **#327** | No analogue of retail's DDD prefetch progress readout |
-| **#328** | Camera far plane hardcoded 5000 f; retail's `zfar` is byte-verified 4000 |
-| **#329** | Portal wait cue arms 5 s late; retail emits per tunnel rotation segment |
-| **#330** | **Headless registers no live-entity collision at all** — a bot walks through every NPC |
-| **#331** | **`ResolveWithTransition` refuses ALL uphill motion with a body supplied** |
-| **#332** | Headless bots appear to have no remote dead-reckoning |
-
-**#331 is the one to look at first.** Severity was raised from UNKNOWN once the
-discriminator was found: it is the **`body:` parameter**, not the fixture. With
-`body: null` the uphill sweep climbs; with a body it returns `ok=False` and zero
-movement — under a call profile identical to the local player's
-(`IsPlayer | EdgeSlide`, human two-sphere Setup), on ramps as shallow as **1.1°**.
-A diagonal request keeps cross-slope X and zeroes only up-slope Y. Nothing in
-the suite asserts uphill progress on a walkable slope, which is why it was
-invisible — the test that found it passed **vacuously**.
-
----
-
-## 5. Register movement
-
-**Retired:** AP-1, AD-1 (C5a) · AP-145 (C5a) · **AP-131**, **AD-60**'s legacy
-half (C5b) · **AP-22** · **AD-10**.
-
-**Filed:** AP-147 (delta-stream cardinality) · **AP-148** (#325's Gate A
-narrowing) · AP-149 (outer ring accepts terrain-only) · **AP-150** (wait-cue
-delay is not retail's trigger) · AP-151 (gate stricter than retail on the
-GPU-upload axis) · **AP-152** (live path emits primitives *and* BSP additively
-where retail is exclusive; 172/5,935 Setups incl. BSP doors) · AD-64 (the
-duplicated residency decision) · **AD-65**, **AD-66**.
-
-**AD-65 deserves attention.** Its magnitude was filed at half the truth: the row
-states `cos²θ` but quantified `1−cosθ`. Corrected to **25% short at 30°, 50% at
-45°**, confirmed by measurement (#331's probe: 0.0735 m for a 0.1 m request at
-30.96° = `cos²(30.96)`). **It is a live lead for #269's slope-slide residual** —
-and note that project memory's #269 do-not-retry covers *friction and jump
-chains*, which are byte-exonerated; `AdjustOffset` is a different function and
-is **not** covered by it.
-
----
-
-## 6. ⚠ BISECT HAZARD — carried forward
-
-Commits **`735f0a72..23aa62f2`** contain a live headless defect: every remote
-entity's `FullCellId` is frozen at its placement value for the whole session in
-`AcDream.Headless`, and the local player loses one of AP-146's three
-cell-refresh edges. Introduced by `735f0a72`, fixed at `ff100cf3`. Nothing
-throws; no test in the range catches it.
-
----
-
-## 7. Process findings — stated as rules, each paid for this session
-
-1. **A blast-radius enumeration only reaches as far as the call graph its author
- walked.** C5b's was performed over the graphical `OnPosition` path and missed
- `AcDream.Headless` entirely — 11,000 green tests, one frozen host. Ask *which*
- traversal, and what it structurally could not reach. Both hosts, every time.
-2. **Two independent adversarial reviewers converging is near-proof; a lone
- finding is a lead.** It happened three times this session (the headless hole,
- the missing payload gate, D-1) and all three were real.
-3. **Assume a test does not discriminate until sabotage proves it.** SEVEN green
- tests covering nothing were found or avoided: C5b's conservation test, #276's
- three settler tests, #280's tautological integration fixture, the atlas-tier
- seam 4,170 tests missed, AD-10's only existing test (a dead method with a
- hard-coded formula), and AD-10's contract-specified T1 sabotage which came
- back green and was rejected rather than shipped.
-4. **`bin`/`obj` can serve deleted code even under `--no-incremental` and
- `-t:Rebuild`.** Three incidents. Delete all 44 directories before any
- verdict-deciding result. A stale artifact does not look like an error — it
- produces a plausible failure, or a plausible pass.
-5. **Every contract in this campaign has been wrong at least once, and the
- implementation is what catches it.** C5b's §3-D2 (a "dead" ternary that was
- live), #280's §7 (three false items), AP-22's §7.1 (a literal that was a
- three-way condition), AD-10's §7.1 (a non-discriminating sabotage). Brief
- implementers to rebut, and treat a reasoned rebuttal as more valuable than a
- compliant edit.
-6. **Verify a cited address is the construct you claim.** AP-150 mis-cited
- `0x004D7064` — a `PStringBase` constructor — as the `SendNotice` call,
- *despite* being filed with a byte-level disassembly. Precision of method does
- not prevent an error of line.
-7. **Binary Ninja drops flag tests.** `if (-((eax_7 - eax_7)) == 0)` renders an
- always-true where a real wrap-safe compare lives. Confirmed at Gate A
- (0x00454054), `DoVectorUpdate` (0x004521F5), `HandlePlayerTeleport`
- (0x00452186), and `FindObjCollisions`. Disassemble the PDB-paired binary
- wherever a comparison or constant is load-bearing.
-8. **Do not fan out subagents.** Two blowups: six agents spawning their own
- children exhausted a session usage limit and killed four tasks mid-flight;
- a later three spawned five more. Every brief must say **"do not spawn
- subagents"** explicitly — none of the early ones did. One code-writer at a
- time; the shared worktree tolerates no more.
-9. **A shell failure inside a compound command can leave a commit claiming work
- it did not do.** `ef976c6d` was needed because a heredoc invoked `python`
- (absent here; `py` is the binary) while the commit still reported success.
-
----
-
-## 8. Where to start
-
-- **Post-campaign:** #331 first (§4), then AP-152 and #330 — both are real
- collision divergences with user-visible consequences.
-- **Domain entry points remain** `claude-memory/project_physics_collision_digest.md`
- and `claude-memory/project_render_pipeline_digest.md`.
-- **The campaign plan** (`docs/plans/2026-08-02-placement-cutover.md`) item 5 now
- records AP-22 and AD-10 as retired; item 3 records #280 as done.
diff --git a/docs/research/2026-08-07-330-contract.md b/docs/research/2026-08-07-330-contract.md
deleted file mode 100644
index 871eba24..00000000
--- a/docs/research/2026-08-07-330-contract.md
+++ /dev/null
@@ -1,123 +0,0 @@
-# #330 contract — headless live-entity collision registration
-
-**Date:** 2026-08-07 (overnight session). **Scoped by:** the session lead.
-**Implementer:** one Sonnet agent against THIS contract. **Review:** dual Opus
-(retail-conformance + architecture) after implementation.
-
-## The defect
-
-`ShadowShapeBuilder.FromSetup` — the only producer of live-entity collision
-shapes — has exactly one production caller, `AcDream.App`'s
-`LiveEntityCollisionBuilder`, wired through the graphical materializer.
-`AcDream.Headless` references only Runtime/Content/Core, so **no headless code
-path ever builds or registers a collision shape for a server-spawned entity**.
-A bot has static landblock collision but walks through every NPC, player, and
-spawned object. Filed at the AP-22 blast-radius survey
-(`docs/research/2026-08-06-ap22-contract.md` §5).
-
-## Facts established at scoping (do not re-derive)
-
-1. `LiveEntityCollisionBuilder` + `LiveEntityDefaultPoseResolver` are already
- presentation-free logic: their imports are Core, Core.Net
- (`WorldSession.EntitySpawn`), Core.World (`WorldEntity`), DatReaderWriter.
- The ONLY App coupling is the `LiveEntityRecord exactRecord` identity-guard
- parameter on `Build(...)` and the `AcDream.App.World` using it drags in.
-2. The headless host HAS all required content:
- `HeadlessSessionWorldProjection` holds `_content.Dats` (full
- `DatCollection` — `Setup` and MotionTable DBObjs resolvable) and
- `_content.PreparedCollision` → per-landblock `PhysicsDataCache` with flat
- GfxObj physics (`GetFlatGfxObj`).
-3. Once a shadow IS registered, movement follows automatically:
- `RuntimeRemotePhysicsUpdater` (Runtime, both hosts) already calls
- `ShouldSynchronizeShadow` at line ~844 on its tick. Registration is the
- whole gap.
-4. The no-window inbound entity route is
- `RuntimeLiveEntitySessionController` (`src/AcDream.Runtime/Session/`),
- constructed by `HeadlessSessionHost` (~line 682). Per AD-64 the graphical
- host runs a PARALLEL App-side route (`LiveEntitySessionController` →
- `DatLiveEntityProjectionMaterializer`, which calls
- `_collisionBuilder.Build(...)` at ~line 832 and
- `LiveEntityCollisionBuilder.Register` at ~line 840). Wiring registration
- into the Runtime controller therefore CANNOT double-register on the
- graphical host. Unification of the two routes is #324, NOT this task.
-5. The graphical local-player disposition
- (`SessionPlayerComposition` ~line 573) chooses
- `RegisteredAuthoredPayload` vs `ProvenShapeless` by
- `PhysicsEngine.ShadowObjects.HasLogicalOwner(key.LocalEntityId)`. The
- headless pin (`HeadlessSessionHost` ~line 637) hardcodes
- `ProvenShapeless`.
-
-## Scope — IN
-
-**A. Hoist, no behaviour change.** Move
-`src/AcDream.App/Physics/LiveEntityDefaultPoseResolver.cs` and
-`src/AcDream.App/Physics/LiveEntityCollisionBuilder.cs` (with
-`LiveEntityCollisionRegistration`) to `src/AcDream.Runtime/Physics/`,
-namespace `AcDream.Runtime.Physics`. Change `Build(...)`'s
-`LiveEntityRecord exactRecord` parameter to presentation-free primitives:
-`uint expectedServerGuid, ulong expectedGeneration, WorldEntity
-expectedEntity` — the guard's three comparisons keep IDENTICAL semantics
-(guid match, generation match, reference-equality on the entity). Adjust
-visibility so App and Headless both reach it (match how neighbouring Runtime
-types are exposed to App; prefer `public` over new InternalsVisibleTo
-entries). Update every App call site; `git grep LiveEntityCollisionBuilder`
-first and check each hit — several are comments.
-
-**B. No-window registration route.** Give
-`RuntimeLiveEntitySessionController` an OPTIONAL collision registrar seam
-(null = today's behaviour, which the graphical host keeps). Constructed by
-`HeadlessSessionHost` from `_content.Dats` + the prepared collision source +
-`Runtime.EntityObjects.Physics`:
-- On the controller's accepted-spawn/materialization commit (find the exact
- seam by reading the controller — the same acceptance the graphical
- materializer keys on), resolve the entity's `Setup` DBObj and default pose,
- call the hoisted `Build(...)` with the setup's OWN part ids as
- `effectivePartGfxObjIds` (headless has no appearance system — note this in
- a code comment as a deliberate headless/graphical difference: an
- appearance-swapped BSP part collides as the default part on headless), and
- `Register` into the engine's `ShadowObjects`.
-- On despawn/teardown, remove the registration the same way the graphical
- path does; the K-series ownership-ledger convergence tests must stay green.
-- On scale/appearance updates: headless has no appearance route; scale
- arrives via the spawn — if the controller processes a scale-changing
- update, re-register (check whether such a path exists; if none does, write
- that down in the code comment rather than inventing one).
-
-**C. Tests (DAT-free, deterministic — model:
-`Issue333BroadphaseReachFilterTests`).** In `tests/AcDream.Runtime.Tests/`
-(or Headless.Tests if the fixture fits better — pick ONE):
-1. Drive the no-window route with a synthetic accepted spawn whose Setup
- resolves to a sphere shape via `PhysicsDataCache.RegisterGfxObjForTest`(or
- the Setup-level equivalent the existing tests use). Assert the entity
- appears in `ShadowObjects.GetObjectsInCell` for its cell, then
- `ResolveWithTransition` a 0.48 m mover into it and assert the move is
- blocked/adjusted — the end-to-end "bot cannot walk through an NPC" fact.
-2. Teardown row: despawn removes the shadow registration.
-3. SABOTAGE-VERIFY in-session: disable the registrar wiring (pass null) and
- confirm test 1 reds; restore; record the sabotage result in your report.
-
-## Scope — OUT (do not touch)
-
-- The local-player `ProvenShapeless` pin (fact 5). Registering the local
- player's own shadow is a separate seam (`LocalPlayerShadowSynchronizer`)
- with its own lifecycle; fixing it blind tonight risks the K-series gates.
- It stays pinned; the session lead files the residual.
-- #324 (route unification), any graphical-host behaviour, any
- divergence-register or ISSUES edit (the session lead does those).
-- `ShadowObjectRegistry` / `ShadowShapeBuilder` internals.
-
-## Acceptance
-
-- `dotnet build AcDream.slnx -c Release` green.
-- Full suite `dotnet test AcDream.slnx -c Release -m:1` green — report the
- exact totals.
-- The new tests pass, and the sabotage check was performed and reddened.
-- NOTHING committed — leave the working tree for review.
-
-## Process rules
-
-Work ONLY in `C:\Users\erikn\source\repos\acdream` (absolute paths — there
-are other checkouts; running or building anything by relative path from the
-wrong cwd cost this project a void verdict yesterday). Do NOT spawn
-subagents. If a fact above contradicts what you read in the source, STOP and
-report the contradiction instead of improvising around it.
diff --git a/docs/research/2026-08-07-339-portal-space-hang.log b/docs/research/2026-08-07-339-portal-space-hang.log
deleted file mode 100644
index fc44f751..00000000
--- a/docs/research/2026-08-07-339-portal-space-hang.log
+++ /dev/null
@@ -1,289 +0,0 @@
-[00:15:34 INF] graphical platform win-x64; native closure: window/input=glfw3.dll, audio=soft_oal.dll
-keybinds: loaded 152 bindings from C:\Users\erikn\AppData\Roaming\acdream\keybinds.json
-[00:15:34 INF] scanning plugins in C:\Users\erikn\source\repos\acdream\.claude\worktrees\resume-session-e0bd03e1-d5bf45\src\AcDream.App\bin\Release\net10.0\plugins
-[00:15:34 INF] smoke plugin initialized
-[00:15:34 INF] loaded plugin acdream.smoke (Smoke Plugin)
-[00:15:34 INF] scanning plugins in C:\Users\erikn\AppData\Local\acdream\plugins
-[00:15:34 INF] smoke plugin enabled
-[00:15:34 INF] smoke plugin sees 0 entities (replay count at subscribe)
-vulkan: capability gate passed (Windows, AMD Radeon RX 9070 XT, Vulkan 1.4.349, vendor 0x1002, device 0x7550, driver 2.0.395 (raw 0x0080018B)); swapchain B8G8R8A8Unorm/PresentModeImmediateKhr 1280x720 x3; report=C:\Users\erikn\AppData\Local\acdream\cache\diagnostics\graphical-capabilities-vulkan.json
-vulkan: device selection — automatic: 'AMD Radeon RX 9070 XT' (DiscreteGpu, 15.92 GiB device-local) ranked first of 2 enumerated device(s).
-vulkan: RHI backend up — 3 device-memory object(s), 304 MiB committed, 114 MiB allocated, 4x MSAA, pipeline cache reused, debug names off
-prepared assets: opened 'C:\Users\erikn\Documents\Asheron's Call\acdream.pak'
-spells: loaded 6266 entries from portal.dat
-audio: OpenAL engine ready (16 voices, 3D positional)
-[QUALITY] Preset High -> QualitySettings { NearRadius = 4, FarRadius = 12, MsaaSamples = 4, AnisotropicLevel = 16, AlphaToCoverage = True, MaxCompletionsPerFrame = 4 }
-sky: GameTime ZeroTimeOfYear=3600 (was default 3333.75)
-sky: loaded Region 0x13000000 — 20 day groups, SkyDesc.TickSize=0.800000011920929 (throttle, not rate), LightTickSize=15
-sky: PY10 day0 → DayGroup[16] "Rainy" (Chance=5.00, 19 objects, 13 keyframes, weather=Overcast)
-TerrainAtlas: 33 terrain layers at 512x512 (10 mip levels)
-AlphaAtlas: 8 layers at 512x512 (corners=4, sides=1, roads=3)
-TerrainAtlas: anisotropic updated to 16x
-[V6i-2] world texture creation on the RHI: RGBA8 64x64x32 (wrap slot#4, clamp slot#3, 174720 mip bytes blitted); BC1 64x64x32 (wrap slot#6, clamp slot#5, 696 mip bytes encoded); composite 32x32x8 (slot#7).
-world-hud font: loaded 442KB, atlas 512x512, lineHeight=17.6px (reserved for D.6 HUD)
-[N.4+N.5] WB foundation + modern path active — routing all content through ObjectMeshManager.
-loading world view centered on 0xA9B4FFFF
-[D.2b] vitals dat-font 0x40000000 loaded for numeric overlay.
-[D.2b] retail FPS display from SmartBox LayoutDesc 0x2100000F.
-[D.2b] vivid target indicator mounted from client-enum category 0x10000009.
-[D.2b] retail UI active — vitals window from LayoutDesc importer (0x2100006C).
-[D.6] retail radar/compass from LayoutDesc 0x21000074.
-[D.2b] retail chat window from LayoutDesc importer (0x21000006).
-[D.2b] LayoutImporter: skipping prototype element 0x100001B2 in layout 0x21000016 (no own media, referenced as BaseElement).
-[D.5.1] shared shortcut digits ready: regular=18, ghosted=18, empty=18.
-[D.5.1] retail toolbar window from LayoutDesc importer (0x21000016).
-[M3] retail combat + spell bar from LayoutDesc 0x21000073; favorite empty=0x06001A97.
-[M3] retail spellbook/component book from LayoutDesc 0x21000034.
-[M4] retail examination window from LayoutDesc 0x2100006B.
-[UI] retail seven-control indicator bar from LayoutDesc 0x21000071.
-[D.6] retail jump bar from gmFloatyPowerBarUI LayoutDesc 0x21000072.
-[UI] retail DialogFactory from LayoutDesc 0x2100003C; confirmation root 0x15.
-[D.2b-C] retail character window from LayoutDesc importer (0x2100002E).
-[D.2b-B] retail inventory window from LayoutDesc importer (0x21000023).
-[D.2b] retail external-container strip mounted from LayoutDesc 0x21000008.
-[UI] retail shared item cooldown overlays ready (10 DAT-authored steps).
-streaming: nearRadius=4 (window=9x9) farRadius=12 (window=25x25)
-[stat-chain] base run=-1 jump=-1 runMod=1.0000x+0.0 -> eff run=-1 jump=-1 (activeEnchantments=0)
-live: connecting to 127.0.0.1:9000 as testaccount
-sky: PY119 day153 → DayGroup[5] "Sunny" (Chance=5.00, 7 objects, 11 keyframes, weather=Clear)
-live: entering world as 0x5000000A +Acdream
-settings: loaded character[+Acdream] preferences
-live: in world — CreateObject stream active
-[stat-chain] base run=-1 jump=-1 runMod=1.0000x+0.0 -> eff run=-1 jump=-1 (activeEnchantments=1)
-[stat-chain] base run=-1 jump=-1 runMod=1.0000x+0.0 -> eff run=-1 jump=-1 (activeEnchantments=1)
-[stat-chain] base run=15225 jump=15225 runMod=1.0000x+0.0 -> eff run=15230 jump=15230 (activeEnchantments=1)
-chat: SetTurbineChatChannels parsed enabled=True general=0x00000002 trade=0x00000003 lfg=0x00000004 roleplay=0x00000005 society=0x00000000 olthoi=0x0000000A allegiance=0x00000000
-chat: SetTurbineChatChannels parsed enabled=True general=0x00000002 trade=0x00000003 lfg=0x00000004 roleplay=0x00000005 society=0x00000000 olthoi=0x0000000A allegiance=0x00000000
-chat: SetTurbineChatChannels parsed enabled=True general=0x00000002 trade=0x00000003 lfg=0x00000004 roleplay=0x00000005 society=0x00000000 olthoi=0x0000000A allegiance=0x00000000
-live: first player position — recentering streaming from (169,180) to (47,50) @0x2F32003B
-[world-reveal] event=begin generation=1 kind=Login cell=0x2F32003B indoor=False radius=0 unhydratable=False render=False composites=False collision=False ready=False materialized=False completed=False cancelled=False visible=False simulation=False failures=0
-[world-reveal] event=readiness generation=1 kind=Login cell=0x2F32003B indoor=False radius=12 unhydratable=False render=False composites=False collision=False ready=False materialized=False completed=False cancelled=False visible=False simulation=False failures=0
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-[world-reveal] event=readiness generation=1 kind=Login cell=0x2F32003B indoor=False radius=12 unhydratable=False render=True composites=True collision=True ready=True materialized=False completed=False cancelled=False visible=False simulation=False failures=0
-live: auto-entered player mode for 0x5000000A
-[world-reveal] event=complete generation=1 kind=Login cell=0x2F32003B indoor=False radius=12 unhydratable=False render=True composites=True collision=True ready=True materialized=False completed=True cancelled=False visible=False simulation=True failures=0
-dotnet : vfx: No PhysicsScriptTable for owner 0x000F42C9, type 0x00000058.
-At line:10 char:1
-+ dotnet run --project src\AcDream.App\AcDream.App.csproj --no-build -c ...
-+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- + CategoryInfo : NotSpecified: (vfx: No Physics...ype 0x00000058.:String) [], RemoteException
- + FullyQualifiedErrorId : NativeCommandError
-
-vfx: No PhysicsScriptTable for owner 0x000F42CD, type 0x00000058.
-vfx: No PhysicsScriptTable for owner 0x000F42A4, type 0x00000058.
-vfx: No PhysicsScriptTable for owner 0x000F42A7, type 0x00000058.
-vfx: No PhysicsScriptTable for owner 0x000F42A8, type 0x00000058.
-vfx: No PhysicsScriptTable for owner 0x000F42A9, type 0x00000058.
-vfx: No PhysicsScriptTable for owner 0x000F42AA, type 0x00000058.
-vfx: No PhysicsScriptTable for owner 0x000F42AB, type 0x00000058.
-vfx: No PhysicsScriptTable for owner 0x000F42AC, type 0x00000058.
-vfx: No PhysicsScriptTable for owner 0x000F42B0, type 0x00000058.
-vfx: No PhysicsScriptTable for owner 0x000F42B1, type 0x00000058.
-vfx: No PhysicsScriptTable for owner 0x000F42B2, type 0x00000058.
-vfx: No PhysicsScriptTable for owner 0x000F42B3, type 0x00000058.
-vfx: No PhysicsScriptTable for owner 0x000F42B4, type 0x00000058.
-vfx: No PhysicsScriptTable for owner 0x000F42B5, type 0x00000058.
-equipment: attached child=0x800045EE parent=0x5000000A location=RightHand placement=RightHandCombat
-equipment: attached child=0x800029C1 parent=0x800029C9 location=RightHand placement=RightHandCombat
-equipment: attached child=0x800029B8 parent=0x800029B5 location=RightHand placement=RightHandCombat
-equipment: attached child=0x80002A9A parent=0x80002A99 location=RightHand placement=RightHandCombat
-equipment: attached child=0x80002941 parent=0x80002940 location=RightHand placement=RightHandCombat
-equipment: attached child=0x80000539 parent=0x80000E78 location=RightHand placement=RightHandCombat
-[world-reveal] event=world-visible generation=1 kind=Login cell=0x2F32003B indoor=False radius=12 unhydratable=False render=True composites=True collision=True ready=True materialized=False completed=True cancelled=False visible=True simulation=True failures=0
-[input] SelectLeft Press
-[input] CombatToggleCombat Press
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-[input] MovementTurnRight Press
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-[input] MovementTurnRight Press
-[input] MovementForward Press
-[input] MovementTurnLeft Press
-[input] MovementTurnLeft Press
-[input] MovementTurnRight Press
-[input] MovementTurnRight Press
-[input] MovementBackup Press
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-live: teleport presentation started (seq=1)
-live: teleport queued (seq=1)
-live: teleport arrival - old lb=(47,50) new lb=(48,50) dist=150.6
-[world-reveal] event=begin generation=2 kind=Portal cell=0x3032001C indoor=False radius=0 unhydratable=False render=False composites=False collision=False ready=False materialized=False completed=False cancelled=False visible=False simulation=False failures=0
-[world-reveal] event=readiness generation=2 kind=Portal cell=0x3032001C indoor=False radius=12 unhydratable=False render=False composites=False collision=False ready=False materialized=False completed=False cancelled=False visible=False simulation=False failures=0
-[use-done] err=0x0000
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-[world-reveal] event=wait-cue elapsedMs=5004 generation=2 kind=Portal cell=0x3032001C indoor=False radius=12 unhydratable=False render=False composites=False collision=False ready=False materialized=False completed=False cancelled=False visible=False simulation=False failures=0
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-[input] SelectLeft Press
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-[input] SelectLeft Press
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-[input] SelectLeft Press
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-player: applied server movement stats run=15230 jump=15230 burden=0.02 stamina=99999
-[session] graceful logout requested character=0x5000000A
-[session] graceful logout confirmed
-[world-reveal] event=cancel generation=2 kind=Portal cell=0x3032001C indoor=False radius=12 unhydratable=False render=False composites=False collision=False ready=False materialized=False completed=False cancelled=True visible=False simulation=True failures=0
-[stat-chain] base run=15225 jump=15225 runMod=1.0000x+0.0 -> eff run=15230 jump=15230 (activeEnchantments=0)
-[stat-chain] base run=-1 jump=-1 runMod=1.0000x+0.0 -> eff run=-1 jump=-1 (activeEnchantments=0)
-[00:17:03 INF] smoke plugin disabled (saw 11069 entities total)
diff --git a/docs/research/2026-08-07-ad55-sledding-constant-byte-decode.md b/docs/research/2026-08-07-ad55-sledding-constant-byte-decode.md
deleted file mode 100644
index c391dda9..00000000
--- a/docs/research/2026-08-07-ad55-sledding-constant-byte-decode.md
+++ /dev/null
@@ -1,80 +0,0 @@
-# AD-55 byte-decode — independent confirmation of a fix that already shipped (VERDICT CORRECTED)
-
-**CORRECTION, same night:** this note's original verdict — "our port is wrong"
-— was STALE. The production code has carried the byte-confirmed `0.98480775f`
-since `252e8068` (2026-07-30), whose commit message contains this exact
-instruction listing. The register row was retired in that commit and then
-**resurrected by `a8a7d64b`**, a revert of the unrelated TS-4 commit whose
-register hunk restored the older row text. This note's derivation was
-performed against that zombie row; it stands as an INDEPENDENT confirmation
-of the 2026-07-30 result (identical bytes, identical constant, identical
-conclusion) and as the measured cost of a register row surviving its own
-retirement. No code change is needed; no feel gate is owed — the user has
-been playing on the fixed constant for a week.
-
-*Original note below, its evidence valid, its verdict superseded.*
-
-**Date:** 2026-08-07 (overnight). **Method:** `reference_pe_byte_decode` — raw
-bytes from the PDB-paired v11.4186 binary (`check_exe_pdb.py` → MATCH,
-CodeView GUID `9e847e2f-777c-4bd9-886c-22256bb87f32`), not the decomp text.
-
-## The question AD-55 filed
-
-`PhysicsBody.calc_friction`'s Sledding near-flat branch compares
-`GroundNormal.Z > 0.99999536f` (≈0.175° from flat). The raw decomp of
-`CPhysicsObj::calc_friction` @0x0050ee70 instead shows
-`__fcos(0.17453292519943295)` — cos(10°) ≈ 0.984808 — compared against
-`contact_plane.N.z`. One of the two had to be a decode artifact.
-
-## The bytes @0x0050ef53 (verbatim from the binary)
-
-```
-d9 86 38 01 00 00 fld dword [esi+0x138] ; contact_plane.N.z
-dd 05 28 6b 7c 00 fld qword [0x007c6b28] ; the constant
-d9 ff fcos
-de d9 fcompp ; cos(const) vs N.z
-df e0 fnstsw ax
-f6 c4 41 test ah, 0x41
-7a 0a jp +0x0a ; skip the friction load
-8b 86 bc 00 00 00 mov eax, [esi+0xbc] ; this->friction
-89 44 24 04 mov [esp+4], eax
-d9 44 24 04 fld dword [esp+4]
-```
-
-`qword [0x007c6b28]` = **0.17453292519943295 = π/18 exactly** (verified by
-direct read at the mapped file offset). The binary genuinely executes `FCOS`
-at runtime — the compiler did not fold it — so the threshold retail compares
-against `N.z` is **cos(π/18 rad) = cos(10°) = 0.984807753...**.
-
-## The verdict
-
-- **The decomp was RIGHT. Our port is wrong.** `0.99999536f` is
- `cos(0.17453292519943295°)` — the *radian* literal read as *degrees* and
- run through a degree→radian cosine. A one-character-class unit slip that
- survived because nothing gates slope feel numerically.
-- **Felt consequence:** the branch means "on ground flatter than the
- threshold, use the object's own friction; on steeper ground (while slow —
- the `arg3 < 6.25` speed² gate at 0x0050ef46 guards this), keep the 0.2
- sliding friction." With our constant, "flat" requires < 0.175° — real
- terrain triangles essentially never qualify, so the object-friction arm of
- Sledding is unreachable in practice and slow movers keep sliding friction
- on gentle slopes retail treats as flat. Ice-feel in exactly the S4/S5
- slope-feel family.
-- **Fix shape (S5):** replace the constant with retail's semantics. Either
- the folded `0.98480775f` with a comment carrying this evidence, or the
- exact `MathF.Cos(MathF.PI / 18f)` computed once — prefer the folded
- constant + comment, matching how AP-7's 0.25f landed. Polarity must be
- ported from the `test ah,0x41; jp` idiom above, not assumed: the friction
- load is SKIPPED when the jump is taken (cos(10°) > N.z, i.e. steeper than
- 10°, or unordered), and taken when N.z ≥ cos(10°). Verify our branch's
- existing polarity against this before changing only the constant.
-- The speed² gates in the same function — 1.5625 (= 1.25²) at 0x0050ef24 and
- 6.25 (= 2.5²) at 0x0050ef46 — matched our port already at AP-7 and are
- untouched.
-
-## Bookkeeping owed at the fix
-
-Retire AD-55 (the row's open question is now answered against our constant);
-conformance test pinning `0.98480775f` + the ported polarity; S4/S5's
-slope-feel session covers the felt change. Until the fix lands, the register
-row stands corrected by this note.
diff --git a/docs/research/2026-08-07-ap159-pseudocode.md b/docs/research/2026-08-07-ap159-pseudocode.md
deleted file mode 100644
index 1d2d0c9e..00000000
--- a/docs/research/2026-08-07-ap159-pseudocode.md
+++ /dev/null
@@ -1,290 +0,0 @@
-# AP-159 / #335 — pseudocode: the INDOOR box-admit half of retail's part-array `find_transit_cells`
-
-**Date:** 2026-08-07. Written per the mandatory grep-named → decompile → pseudocode →
-port workflow, BEFORE any C# is touched, per the pinned contract
-`docs/research/2026-08-07-ap159-s1b-contract.md`.
-
-## 0. Resolving the contract's flagged overload-signature ambiguity
-
-The contract's Oracle map says:
-
-> **Adjacent overload** @0x0052c820 (lines 309968–310126) also contains a box
-> refinement block (@0x0052c76c–0x0052c7d2). Its Binary Ninja signature
-> (`CSphere const* arg4`) is inconsistent with its body indexing parts — a
-> known BN artifact class.
-
-Direct disassembly reading resolves this. The box-refinement block at
-addresses **0x0052c76c–0x0052c7d2** does **not** belong to the function
-declared at 0x0052c820 — its addresses are numerically *lower* than that
-declaration and it is textually printed *before* it in the dump. It belongs
-to the **preceding** function, which starts at line 309867:
-
-```
-0052c680 void __thiscall CEnvCell::check_building_transit(
- class CEnvCell const* this, int32_t arg2, uint32_t const arg3,
- class CPhysicsPart** arg4, class CELLARRAY* arg5)
-```
-
-This is a **second, part-array overload of `check_building_transit`**
-(distinct from the sphere overload at 0x0052c5d0, lines 309827–309863, which
-is what `CellTransit.CheckBuildingTransit` already ports). Its signature
-genuinely takes `CPhysicsPart** arg4` — fully consistent with a body that
-indexes parts (`arg4[eax_1]`, `arg4[var_4c_1]`). There is no BN artifact here;
-the confusion was address-adjacency between two *different* functions that
-happen to sit back-to-back in the binary and share a demangled base name with
-their sibling overloads.
-
-The function actually declared at **0x0052c820** (lines 309968–310122) is the
-**sphere overload of `find_transit_cells`** — signature `CSphere const* arg4`
-is correct, and its body is pure sphere math (`Frame::globaltolocal`,
-`CCellStruct::sphere_intersects_cell`, the ±eps straddle test for exterior
-portals). This is **already ported** as `CellTransit.FindTransitCellsSphere`
-and needs no changes. It contains no box-refinement block at all.
-
-The function the contract's D1/D2 actually needs — the **part-array
-overload of `find_transit_cells`**, cited correctly by address
-(**0x0052cae0**, lines 310127–310257) — is a **third, separate function**
-from either of the above, and its disassembly matches the #335 ISSUES.md
-entry (the true oracle of record) line-for-line: `Position::localtolocal`
-sphere cheap-reject → `CPhysicsPart::GetBoundingBox` + `BBox::LocalToLocal` +
-`Plane::intersect_box` box admit → `other_cell_id==0xFFFFFFFF` leads-outside
-check → `CCellPortal::GetOtherCell` (threading `do_not_load_cells`) →
-`CCellStruct::box_intersects_cell` destination gate → `add_all_outside_cells`
-after the portal loop. **No contradiction with the #335 entry exists; only
-the contract's supplementary "Adjacent overload" note was misattributed.**
-This section performs the disentanglement the contract's mandatory D0 step
-asked for.
-
-**Consequence for D2's building-bridge decision:** the TRUE box-refinement
-counterpart for the outdoor→indoor building bridge is the part-array
-`check_building_transit` @0x0052c680 (the function this section just
-identified), not the sphere overload @0x0052c5d0 the contract names. Its
-control flow operates on a **single fixed portal per call** (index `ebp`
-supplied by the caller) rather than looping `this->num_portals`, and its
-cheap-reject branch structure (`if (ebp_1==1) {...} else if (ebp_1!=0)
-{label:...} else {...}`) has its own three-way-looking shape that does not
-cleanly decompose into the same two-branch (`PortalSide ? : `) form the
-part-array `find_transit_cells` uses — porting it would mean building a new,
-differently-shaped traversal, not "reusing D1's primitive with a small
-diff." Per the contract's explicit D2 allowance, this is left unported and
-reported as the explicit remainder (see the implementation report).
-
-## 1. `CEnvCell::find_transit_cells` (part-array overload, @0x0052cae0, pc:310127–310257)
-
-Verbatim shape, addresses inline:
-
-```
-find_transit_cells(this, numParts, parts[], cellArray):
- exitOutside = false
- for each portal in this.Portals: # do-while, pc:310140–310252
- portalPlane = ResolvePlane(this, portal) # this->portals[i].portal.plane
- for each part in parts: # do-while, pc:310147–310246
- if part == null: continue
- sphere = part.GfxObj.PhysicsSphere ?? part.GfxObj.DrawingSphere # 0x0052cb34-0052cb45
- if sphere == null: continue
-
- # --- cheap reject (sphere) --------------------------------
- center = this.Pos.LocalToLocal(part.Pos, sphere.Center) # Position::localtolocal @0x0052cb5a
- rad = sphere.Radius + F_EPSILON # 0x0052cb65, F_EPSILON=0.000199999995f
- dist = Dot(center, portalPlane.N) + portalPlane.D # 0x0052cba4
-
- portalSideRaw = portal.portal_side # this->portals[i].portal_side (int, retail live field)
- if portalSideRaw == 1: # 0x0052cba7 — matches our PortalInfo.PortalSide == true
- if dist < -rad: continue # skip this part — 0x0052cbb2/0x0052cbc8 (BN artifact
- # collapsed the two-branch shape into a spurious
- # 3-way if/elseif/else; the real shape is two branches
- # both jumping to the SAME box-test label)
- else: # portalSideRaw == 0, PortalSide == false
- if dist > rad: continue
-
- # --- box admit ---------------------------------------------
- box = part.GfxObj.PhysicsBox # CPhysicsPart::GetBoundingBox @0x0050d600, 0x0052cbdd
- localBox = BBox.LocalToLocal(box, part.Pos, this.Pos) # @0x005b1e60, 0x0052cbf9
- sidedness = portalPlane.intersect_box(localBox) # Plane::intersect_box @0x005aa170, 0x0052cc05
-
- crossingSide = portal.PortalSide ? Positive : Negative
- if sidedness != Straddle and sidedness != crossingSide:
- continue # box fully on the "still inside this cell" side — 0x0052cc0c falls through
-
- # --- destination resolution (only when box crosses) --------
- if portal.OtherCellId == 0xFFFFFFFF: # 0x0052cc21
- exitOutside = true
- break # out of the PART loop; proceed to next portal — 0x0052cc7e/0x0052ccaa
-
- otherCell = CCellPortal.GetOtherCell(portal, do_not_load_cells) # 0x0052cc2b, threads cellArray+4
- if otherCell == null:
- cellArray.add_cell(portal.OtherCellId, null) # unconditional load hint — 0x0052cca5
- break # next portal — 0x0052ccaa
-
- destBox = BBox.LocalToLocal(box, part.Pos, otherCell.Pos) # 0x0052cc4a
- if CCellStruct.box_intersects_cell(otherCell.structure, destBox): # 0x0052cc61 → BSPTREE @0x0053c880
- cellArray.add_cell(otherCell.ID, otherCell)
- break # next portal — 0x0052cc8d
- # else: this part's box didn't actually reach the other cell's
- # geometry — continue the PART loop (retest remaining parts
- # against the SAME portal/destination) — 0x0052cc63, no break
- if exitOutside:
- CLandCell.add_all_outside_cells(numParts, parts, cellArray) # 0x0052ccea — already ported (#334)
-```
-
-Cross-checked against `docs/ISSUES.md` #335 entry (oracle of record) — every
-step (1–4) and every cited address matches. Also cross-checked against the
-**pre-existing** ACE-sourced pseudocode at
-`docs/research/acclient_indoor_transitions_pseudocode.md` §"EnvCell.find_transit_cells
-(parts/AABB variant)" (written 2026-04/05, predates named-retail), which
-independently derives the identical shape from ACE's C# port
-(`EnvCell.cs:245-309`) — including the exact `Positive`/`Negative` sidedness
-naming this doc uses below. Two independent sources (raw PDB-paired
-disassembly and an ACE C#-port cross-reference) agree; this doc treats the
-agreement as confirmation, not as a new independent fact.
-
-### Structural difference from the already-ported sphere overload
-
-`CellTransit.FindTransitCellsSphere` special-cases exterior portals
-(`OtherCellId == 0xFFFF`) with a dedicated symmetric straddle test **before**
-touching the loaded/unloaded-neighbour logic (matches the sphere overload's
-own `if (*ecx != 0xffffffff)` branch at the very top of its per-portal body).
-The part-array overload does **not** do this: cheap-reject and box-admit run
-uniformly for every portal (interior or exterior); only **after** the box
-passes admit does it check `other_cell_id==0xFFFFFFFF` to decide
-interior-vs-exterior handling. This is why D2 needs a genuinely new method
-(`FindTransitCellsBox`) rather than a small patch to the existing
-`FindTransitCellsSphere`.
-
-## 2. `Plane::intersect_box` (@0x005aa170, pc:439037–439122)
-
-Classifies a box against a plane using **all 8 corners**, short-circuiting
-per retail's fixed enumeration order (`min`, then all 7 combinations of
-{min,max}³ in the specific order the compiler emitted — order does not
-affect the boolean-classification result since it is an AND of per-corner
-agreement, only which corner short-circuits first). Epsilon is
-`F_EPSILON = 0.000199999995f` throughout, matching
-`Plane::which_side` @0x00444720 (PDB-recovered `Sidedness` enum: `Positive`
-when `dist >= +eps`, an early-return "clearly negative" case the disassembly
-calls out at the very first corner test, and a third `Straddle`/on-plane
-case when `-eps <= dist < +eps`).
-
-```
-ClassifyBox(plane, box): # shared math for D1
- corners = the box's 8 corners (any fixed enumeration; result is order-independent)
- side0 = WhichSide(plane, corners[0], F_EPSILON)
- if side0 == Straddle: return Straddle
- for corner in corners[1..7]:
- if WhichSide(plane, corner, F_EPSILON) != side0:
- return Straddle
- return side0 # Positive or Negative — box is uniformly on one side
-
-WhichSide(plane, point, eps):
- dist = Dot(plane.N, point) + plane.D
- if dist >= eps: return Positive
- if dist < -eps: return Negative
- return Straddle
-```
-
-**Result contract** (matches the contract's note, re-derived independently
-from the raw disassembly and cross-checked): the caller at
-`find_transit_cells`'s 0x0052cc0c tests `classification != portal_side_raw`;
-the caller at `check_building_transit`'s 0x0052c7a0 tests `classification ==
-3 || classification == side`. Both are consistent with `ClassifyBox`
-returning `Straddle` whenever corners disagree (never a bare 0/1 in that
-case) and `Positive`/`Negative` only when **all 8 corners agree**. `Straddle`
-is by construction never equal to a 0/1 `portal_side_raw`, so "!= portal_side"
-the two callers' admit rules are NOT equivalent — dual review finding F9/R6. For the pure-side case they are OPPOSITE: `find_transit_cells` (`eax != side`) admits {Positive, Straddle} when side==1, while `check_building_transit` (`eax == 3 || eax == side`) admits {Straddle, Negative} — physically expected (reach-beyond-the-portal vs inside-this-building-cell are opposite questions), and the trap the future bridge porter must not fall into.
-
-**PortalSide mapping** (verified two ways — direct disassembly branch
-structure of the part-array `find_transit_cells`'s cheap-reject, AND the
-pre-existing `acclient_indoor_transitions_pseudocode.md` §"PortalSide flag
-semantics" cross-reference against ACE): retail's raw `portal_side` field is
-`1` exactly when our `PortalInfo.PortalSide == true`. The admit rule,
-restated without needing that raw integer at all:
-
-```
-crossingSide = portal.PortalSide ? Positive : Negative
-ADMIT box-crosses-this-portal iff sidedness == Straddle OR sidedness == crossingSide
-```
-
-## 3. `BSPNODE::box_intersects_cell_bsp` (@0x0053c880, pc:325993–326087)
-
-Structurally the box-shaped sibling of the already-ported
-`BSPNODE::point_inside_cell_bsp` (:325508, `BSPQuery.PointInsideCellBsp`) and
-`BSPNODE::sphere_intersects_cell_bsp` (:325546, `BSPQuery.SphereIntersectsCellBsp`):
-an iterative walk down `pos_node` only, rejecting (returning "outside") the
-instant the box is found to lie entirely on the **negative** side of a
-splitting plane, and treating a null `pos_node` (or a leaf) as "inside."
-Epsilon is again `F_EPSILON` (line 326001: `0.000199999995f`), reusing the
-SAME 8-corner box-vs-plane classification as `Plane::intersect_box` — the
-disassembly literally duplicates the corner-enumeration idiom.
-
-```
-BoxIntersectsCellBsp(node, boxMin, boxMax):
- while node is not a leaf:
- if ClassifyBox(node.SplittingPlane, boxMin, boxMax) == Negative:
- return false # box entirely behind this splitting plane
- if node.PosNode is null:
- return true # solid interior — matches point/sphere siblings
- node = node.PosNode
- return true # reached a leaf
-```
-
-This is the **one new traversal shipped in two representations** per the
-Slice I4/I5 house rule: `BSPQuery.BoxIntersectsCellBsp` over `CellBSPNode`
-(the graph) and `FlatBspQuery.BoxIntersectsCellBsp` over
-`FlatCellContainmentBsp`/`FlatCellBspNode` (the flat production shadow),
-sharing the `ClassifyBox`/`WhichSide` math (added to `BSPQuery` as internal
-statics, exactly the existing pattern `FlatBspQuery` already uses for
-polygon math like `PolygonHitsSpherePrecise`).
-
-`CCellStruct::box_intersects_cell` (@0x00533910, pc:317675) is a bare
-tailcall into `BSPTREE::box_intersects_cell_bsp` (@0x005398b0, pc:323249),
-itself a bare tailcall into the function above — no additional logic, same
-shape as `sphere_intersects_cell` → `sphere_intersects_cell_bsp` already
-established in this codebase.
-
-## 4. Box transform: retail `BBox::LocalToLocal` (@0x005b1e60)
-
-Needed at two call sites in §1 (`localBox` into `this` cell's frame,
-`destBox` into `otherCell`'s frame). Same shape already ported for the
-OUTDOOR extent walk's `BBox::LocalToGlobal` (`ShadowPartBox.RefitTo`,
-#334): an eight-corner transform-and-refit, not a min/max-only transform (a
-rotated box grows, conservatively — retail's own deliberate direction).
-`LocalToLocal` differs from `LocalToGlobal` only in that the **destination**
-frame carries its own rotation (a cell's `WorldTransform`/
-`InverseWorldTransform`), not just a translation offset. D2 adds a sibling
-`ShadowPartBox.RefitToLocal(Matrix4x4 worldToLocal, ...)` that composes the
-part's world placement (`WorldPosition`/`WorldRotation`, identical to
-`RefitTo`) and then applies the destination's full `Matrix4x4` transform
-per corner before taking min/max — i.e. `RefitTo` is the degenerate case of
-`RefitToLocal` where the destination frame has no rotation (world axes).
-
-## 5. Deliverable mapping
-
-| Contract deliverable | Implementation |
-|---|---|
-| D1 box primitives, graph | `BSPQuery.ClassifyBox`/`WhichSide` (shared), `BSPQuery.BoxIntersectsCellBsp` |
-| D1 box primitives, flat | `FlatBspQuery.BoxIntersectsCellBsp` (delegates classification math to `BSPQuery`) |
-| D1 dispatcher (matches existing `SphereIntersectsCell`/`PointInsideCell` shape) | `CollisionTraversal.BoxIntersectsCell` |
-| D1 referee | `tests/AcDream.Core.Tests/Physics/BoxIntersectsCellBspDifferentialTests.cs` |
-| D2 box transform | `ShadowPartBox.RefitToLocal` |
-| D2 indoor-arm rewire | `CellTransit.FindTransitCellsBox` (new), called from `BuildShadowCellSetFromParts`'s indoor branch in place of `FindTransitCellsSphere` |
-| D2 building-bridge remainder | Left unported (see §0); reported as the explicit remainder |
-| D3 | `tests/AcDream.Core.Tests/Physics/CellTransitFindTransitCellsBoxTests.cs` (synthetic sabotage + inverse guard) + a direction-assertion sweep test |
-
-
----
-
-## Byte confirmations (added at the dual review, 2026-08-07 — PDB-paired binary)
-
-- **`Plane::which_side` @0x00444720, full decode:** `fcom dist, eps; test ah,0x41;
- jnz` — POSITIVE (0) iff `dist > eps` STRICTLY; then `fcompp dist, -eps; test
- ah,0x05; jnp` — NEGATIVE (1) iff `dist < -eps` strictly; IN_PLANE (2)
- otherwise (unordered also lands IN_PLANE). The port's `>= eps` boundary tie
- is a one-ULP divergence, noted in AP-159's landing record.
-- **`Plane::intersect_box` @0x005aa170, first-corner-in-plane early exit:** the
- `jp` at 0x005aa1bc targets 0x005aa2e2 = `mov eax, 3` — the early exit returns
- **CROSSING (3)**, not IN_PLANE (2). Both live call sites admit 3, so the S1B
- port is unaffected; the future `check_building_transit` port inherits this as
- a settled fact instead of review item b2.
-- `acclient.h:2527`: `Sidedness { POSITIVE=0, NEGATIVE=1, IN_PLANE=2,
- CROSSING=3 }` — the header answer the PlaneSide doc previously called
- unobservable. `which_side` returns at most 2; `intersect_box` is the only
- producer of 3.
diff --git a/docs/research/2026-08-07-ap159-s1b-contract.md b/docs/research/2026-08-07-ap159-s1b-contract.md
deleted file mode 100644
index da03d554..00000000
--- a/docs/research/2026-08-07-ap159-s1b-contract.md
+++ /dev/null
@@ -1,111 +0,0 @@
-# AP-159 / #335 contract (Campaign S slice S1B) — port the INDOOR box-admit half of retail's part-array `find_transit_cells`
-
-**Date:** 2026-08-07 (overnight). **Scoped by:** the session lead.
-**Implementer:** one Sonnet agent against THIS contract. **Review:** dual
-Opus after. **Severity honest-check:** LOW — over-inclusive only (extra
-indoor broadphase candidates, never a missed one). It is in scope tonight
-because it is the last half of AP-156's traversal residual and Campaign S's
-S1; if any step below turns out larger than described, STOP and report
-rather than compressing quality.
-
-## The divergence
-
-acdream's indoor cell-membership walk for multi-part BSP objects
-(`CellTransit.BuildShadowCellSetFromParts`, indoor arm) admits a neighbouring
-EnvCell on a **sphere**-vs-portal-plane test (`FindTransitCellsSphere` over
-`BuildBspPartSpheres` output). Retail's part-array
-`CEnvCell::find_transit_cells` uses the sphere only as a **cheap reject**;
-the ADMITTING test is **box**-vs-plane, followed by a **box-vs-cell BSP**
-gate in the destination cell. Full disassembly-backed spec: the #335 entry in
-`docs/ISSUES.md` (steps 1–4 with addresses) — that entry is the oracle of
-record; this contract adds the pseudo-C line map.
-
-## Oracle map (grep-named-first is already done — these are the exact places)
-
-`docs/research/named-retail/acclient_2013_pseudo_c.txt`:
-
-- **Part-array overload** `CEnvCell::find_transit_cells(this, count,
- CPhysicsPart** parts, CELLARRAY*)` @0x0052cae0 — lines **310127–310257**.
- Per portal x per part: sphere cheap-reject (`physics_sphere` centre through
- `Position::localtolocal`, eps = `F_EPSILON + radius` @0x0052cb65) -> box
- admit (`CPhysicsPart::GetBoundingBox` @0x0050d600 -> `BBox::LocalToLocal`
- @0x005b1e60 -> `Plane::intersect_box` @0x005aa170 @0x0052cc05) -> if
- portal-side differs: `other_cell_id == 0xFFFFFFFF` sets leads-outside,
- else `CCellPortal::GetOtherCell` (threading `do_not_load_cells`) then
- box-vs-destination-BSP `CCellStruct::box_intersects_cell` @0x00533910
- (line 317675: one-liner into `BSPTREE::box_intersects_cell_bsp`
- @0x005398b0 -> `BSPNODE::box_intersects_cell_bsp` @0x0053c880, body at
- line **325993**) gating the add @0x0052cc5a; after all portals,
- leads-outside runs `add_all_outside_cells` @0x0052ccea.
-- **Adjacent overload** @0x0052c820 (lines **309968–310126**) also contains a
- box refinement block (@0x0052c76c–0x0052c7d2). Its Binary Ninja signature
- (`CSphere const* arg4`) is inconsistent with its body indexing parts —
- a known BN artifact class. Your MANDATORY pseudocode step (below)
- disentangles the two overloads BEFORE any C# is written; if your reading
- contradicts the #335 entry's step list, STOP and report.
-- `Plane::intersect_box` @0x005aa170 — line 439037. Note its result contract
- (the caller accepts `== 3 || == side`).
-- `BSPNODE::box_intersects_cell_bsp` @0x0053c880 — line 325993. This is the
- box-vs-cell traversal you must port TWICE (graph + flat, below).
-
-## Deliverables, in order
-
-**D0 — pseudocode doc FIRST** (`docs/research/2026-08-07-ap159-pseudocode.md`):
-the part-array overload and the box-vs-BSP traversal, translated to readable
-pseudocode with the addresses inline, per the repo's mandatory workflow. The
-overload-signature confusion above must be resolved here. No C# before this
-file exists.
-
-**D1 — the box primitives, in BOTH representations + referee.**
-`BSPQuery` (graph) and `FlatBspQuery` (production flat) each gain the
-box-vs-cell-BSP traversal (`BoxIntersectsCellBsp`), and `Plane`-vs-box gains
-`intersect_box` semantics wherever the shared math lives. House rule from
-Slices I4/I5: a NEW traversal in two representations ships with an **exact
-differential referee test** — same inputs through both, assert identical
-verdicts over (a) synthetic cells covering each BSP node type and (b) a sweep
-of installed-DAT EnvCells (follow `FlatBspQueryDifferentialTests` patterns).
-
-**D2 — rewire the indoor arm.** `BuildShadowCellSetFromParts`'s indoor arm
-follows retail's order exactly: per portal x per part sphere cheap-reject ->
-box admit -> other-cell resolution with `do_not_load_cells` -> destination
-`box_intersects_cell` gate -> leads-outside flag -> `AddAllOutsideCellsFromParts`
-after the portal loop. The box data ALREADY EXISTS: `ShadowPartBox`
-(`worldParts`) is passed in today and used only by the outdoor rectangle. Do
-NOT touch the outdoor arm, the AD-49 seed-time rectangle, or the static
-prune. The outdoor **building bridge** (`CheckBuildingTransit`, retail
-`check_building_transit` @0x0052c5d0) has the same sphere-as-admit defect:
-port it ONLY if it reuses D1's primitive with a small diff; otherwise leave
-it and report it as the explicit remainder.
-
-**D3 — conformance + direction tests.**
-1. A synthetic two-EnvCell fixture where a part's SPHERE overlaps the portal
- plane but its BOX does not: pre-fix the neighbour is admitted, post-fix it
- is not. Sabotage-verify: re-widen the admit to the sphere test and the
- test must redden.
-2. The inverse guard: a part whose box DOES cross admits — unchanged.
-3. Direction assertion over an installed-DAT sweep: the post-fix indoor
- membership set for every swept object is a SUBSET of the pre-fix set
- (over-inclusion strictly shrinks; any ADDED cell is a defect). Report
- counts: objects swept, cells removed, cells added (must be 0).
-
-**D4 — measurement in the report:** from D3.3, the installed-DAT population
-whose membership actually changed, with three worst examples (object,
-cells before/after). If the population is ZERO, say so plainly — that is a
-valid outcome and the register row then records "ported, no installed data
-affected".
-
-## Scope — OUT
-
-- The AP-156 SCALE residual (retail doesn't scale flood spheres; we do) —
- reserved for the user's explicit decision. Do not change scaling anywhere.
-- The outdoor arm, `AddAllOutsideCellsFromParts`, the 3x3 sphere path,
- anything in `ShadowObjectRegistry`.
-- Register/ISSUES edits — the session lead does those.
-
-## Acceptance
-
-Build green; FULL suite `dotnet test AcDream.slnx -c Release -m:1` green with
-exact totals reported; D3.1 sabotage performed and reported verbatim; nothing
-committed. Work ONLY in `C:\Users\erikn\source\repos\acdream` with absolute
-paths; do NOT spawn subagents. If any oracle reading contradicts the #335
-entry or this contract, STOP and report the contradiction.
diff --git a/docs/research/2026-08-07-s2-static-sphere-contract.md b/docs/research/2026-08-07-s2-static-sphere-contract.md
deleted file mode 100644
index 5d3996be..00000000
--- a/docs/research/2026-08-07-s2-static-sphere-contract.md
+++ /dev/null
@@ -1,72 +0,0 @@
-# S2 contract (Campaign S) — AP-155: static publication must emit authored Spheres as Spheres
-
-**Date:** 2026-08-07 (overnight). **Scoped by:** the session lead.
-**Implementer:** one Sonnet agent. **Review:** dual Opus.
-
-## The divergence (AP-155, narrowed to its surviving half)
-
-Both static publication paths emit an authored Setup `Sphere` as a
-height-capped **Cylinder**:
-
-- `src/AcDream.App/Streaming/LandblockPhysicsPublisher.cs` (~1018–1036)
-- `src/AcDream.Content/LandblockPhysicsContentBuilder.cs` (~672–690)
-
-Identical code in both: `ShadowShape.Cylinder(radius = r*scale,
-cylHeight = 2r, base = origin*scale - r*ẑ rotated)`. The LIVE path
-(`ShadowShapeBuilder.FromSetup`, step 3) emits `ShadowShape.Sphere` for the
-same authored data. Consequences: (a) narrow-phase dispatch differs
-(CCylSphere tests vs CSphere tests — a mover meets a flat cap where retail
-meets a curved surface), and (b) the SAME object collides differently
-depending on whether it arrived as a landblock static or a live spawn —
-the route-dependence Campaign S's plan calls out. Retail's
-`CPhysicsObj::FindObjCollisions` dispatches Spheres to
-`CSphere::intersects_sphere` — there is no cylinder substitution anywhere
-in retail for this branch.
-
-## The fix
-
-Replace both emissions with `ShadowShape.Sphere`, mirroring
-`FromSetup` step 3's emission EXACTLY — same origin/scale composition, same
-guards (`Radius <= 0` skip stays). Read FromSetup first and copy its
-semantics rather than inventing; if FromSetup's sphere emission differs from
-what a plain mirror would produce here (e.g. BoundsCenter handling), STOP
-and report the difference instead of choosing.
-
-Then check the ripple: `BuildFloodSpheres`' sphere branch (uncapped) now
-sees these as Spheres — flood behaviour matches the live path, which is the
-point. `RetailSphereCap` applies to the Cylinder branch only (AP-156's
-retirement of the 10-cap on non-cyl branches) — verify with a test, not by
-reading alone.
-
-## Tests
-
-1. Parity: for a representative Setup with authored Spheres, the static
- publication's registered shapes are shape-for-shape identical (type,
- local position, radius, scale) to `FromSetup`'s output for the same
- inputs. This is the route-independence property, asserted directly.
-2. Dispatch: a mover resolve against a statically-published sphere object
- takes the Sphere narrow phase (assert via outcome on a diagonal approach
- that distinguishes cap-hit from curve-hit: pick geometry where cylinder
- and sphere verdicts differ, assert the sphere verdict).
-3. Sabotage: restore the Cylinder emission at ONE site; tests 1 and 2 both
- redden; restore.
-4. Existing static publication and content-builder suites stay green.
-
-## Measurement (report, not gate)
-
-Count, over installed landblocks already swept by existing content tests
-(reuse their enumeration), how many static entities carry sphere-only
-Setups — the affected population. Three example object ids.
-
-## Scope — OUT
-
-Register/ISSUES edits (session lead). `ShadowShapeBuilder`,
-`ShadowObjectRegistry` internals. The live path. Anything about
-SortingSphere (AP-157 is measured and deferred).
-
-## Acceptance
-
-Full suite `dotnet test AcDream.slnx -c Release -m:1` green, totals
-reported; sabotage reported verbatim; nothing committed. Only
-`C:\Users\erikn\source\repos\acdream`, absolute paths, no subagents;
-contradictions → STOP and report.
diff --git a/docs/research/2026-08-07-s4-adjustoffset-contract.md b/docs/research/2026-08-07-s4-adjustoffset-contract.md
deleted file mode 100644
index b4d81c8d..00000000
--- a/docs/research/2026-08-07-s4-adjustoffset-contract.md
+++ /dev/null
@@ -1,116 +0,0 @@
-# S4 contract (Campaign S) — AdjustOffset's two substitutions: AD-65 + AD-66
-
-**Date:** 2026-08-07 (overnight). **Scoped by:** the session lead.
-**Implementer:** one Sonnet agent. **Review:** dual Opus. **This is FEEL
-work** — the morning slope-feel gate covers it; nothing here can be
-visually accepted overnight.
-
-Both rows live in `Transition.AdjustOffset`
-(`src/AcDream.Core/Physics/TransitionTypes.cs`), retail
-`CTransition::adjust_offset` @0x0050a370. One function, one slice.
-
-## AD-65 — the away-from-plane arm must SNAP, not project
-
-**Retail, pinned at scoping (pseudo-C 272300–272340 + 271852):** in the
-non-sliding path (`sliding_normal` not set), retail computes
-`arg3 = dot(offset, contact_plane.N)` and branches on it @0x0050a4fa with
-`test ah,0x41`:
-
-- `arg3 <= 0` (moving INTO the plane): `offset -= N * arg3` — the
- component subtraction (block @0x0050a529).
-- `arg3 > 0` (moving AWAY): `Plane::snap_to_plane(&contact_plane, &offset)`
- @0x0050a50e. Semantics @0x00509c50, verbatim: if `|N.z| <= 0.000199999995f`
- do NOTHING; else `offset.z = -(offset.x*N.x + offset.y*N.y) / N.z`
- (the `d` terms cancel algebraically — show this in your pseudocode doc).
- **XY is PRESERVED; only Z is re-solved so the offset lies in the plane.**
-
-acdream's `else` arm (the one whose comment already names snap_to_plane
-without calling it) does `result -= N * collisionAngle` in BOTH directions —
-an orthogonal projection that shrinks XY by the cos²θ factor AD-65 recorded
-(25% at 30°, 50% at 45°). Port the branch exactly: subtraction arm for
-`<= 0`, snap for `> 0`, including the |N.z| epsilon no-op.
-
-**Watch item carried from #32 (read before coding):** the #32 fix narrowed
-last-known-contact-plane validity, and `AdjustOffset` consumers sit in its
-blast radius (research doc §3.5). Your tests must cover the case where the
-contact plane is the ONLY valid plane and where none is valid.
-
-## AD-66 — the safety push-out uses the BARE radius
-
-Byte evidence already in the register row (do not re-derive, but DO read the
-row): retail loads the bare `global_sphere->radius` for BOTH the trigger
-comparison (`0050a5c4 fld [ecx+0xc]`, then subtracts F_EPSILON) and the
-`zDist` numerator (`0050a5dc fsubr [ecx+0xc]`), dividing by
-`contact_plane.N.z` (`0050a5df fdiv [esi+8]`). Neither site multiplies by
-N.z. acdream substitutes `naturalRestingDist = radius * ContactPlane.Normal.Z`
-in both places, with a long code comment arguing the sphere-origin geometry.
-
-**The comment's argument may be geometrically sincere, but the register's
-posture is decided: retail-faithful first.** Port the bare radius in both
-sites. THEN — because the original substitution was empirically motivated
-("the uncorrected threshold broke ValidateWalkable's contact check on steep
-slopes and flickered the Falling animation while running uphill") — your
-test set MUST include the scenario the old comment claims regresses: a mover
-running uphill on a steep-but-walkable slope, asserting no contact-flap
-across ticks. If that test genuinely reds with the faithful port, STOP —
-do not tune, do not blend. Report the failing scenario in full; the session
-lead decides (that outcome would mean the register row's risk column was
-right and the divergence may be re-filed as deliberate rather than fixed).
-
-## Deliverables
-
-1. Pseudocode doc first (`docs/research/2026-08-07-s4-pseudocode.md`) for
- `adjust_offset`'s full branch tree — including the sliding-normal arm
- @0x0050a42a (cross products + normalize_check_small) which you must VERIFY
- against our existing port and report on, but not change unless it
- diverges.
-2. The two fixes above, minimal diff, comments carrying the addresses.
-3. Conformance tests: exact-value tests for snap (XY preserved, Z re-solved,
- epsilon no-op), for the into-plane subtraction, for bare-radius trigger +
- numerator; the uphill no-flap scenario; sabotage-verify the snap test by
- re-instating the projection and watching it redden.
-4. Full suite `dotnet test AcDream.slnx -c Release -m:1` green, totals
- reported; nothing committed.
-
-## Scope — OUT
-
-Registers/ISSUES (session lead). `calc_friction` (S5, separate). Anything
-outside `AdjustOffset` and its tests.
-
-## Process
-
-Only `C:\Users\erikn\source\repos\acdream`, absolute paths, no subagents.
-Contradictions between this contract and the source: STOP and report.
-
----
-
-# OUTCOME (appended 2026-08-07, end of the overnight session)
-
-**AD-65: LANDED.** The away-from-plane arm performs retail's snap_to_plane
-verbatim; conformance exact-value tests sabotage-verified (the re-instated
-projection reproduces the recorded cos²30° = 0.75 shrinkage exactly); the
-named uphill no-flap STOP scenario passed; register row retired.
-
-**AD-66: WITHHELD — issue #341.** The bare-radius port was implemented and
-then pulled, not because the bytes were doubted (they are now DOUBLE
-byte-confirmed) but because its interaction with the #331 absorb
-characterization pin produced a measurement that contradicted itself: the
-same clean-room binaries measured both a one-time resting lift and an exact
-latch on the absorbed-tick scenario, flipping with nothing but the shape of
-the test's post-tick asserts. Three contradictory reads is the
-apparatus-not-a-fourth-guess threshold; #341 carries the observation matrix
-and the instrumentation plan. The production site carries a comment block;
-the two exact-value tests are [Skip]-ed pointing at #341.
-
-**Third finding from the pseudocode pass: AD-69 filed** — the push-out's
-`dist` omits retail's `get_block_offset` cell-relative correction, wrong
-exactly at landblock seams. Deliberately not folded into tonight's landing;
-fix alongside the AD-66 relanding so the anomaly investigation stays
-attributable.
-
-**Process note for the record:** tonight's session hit the stale-artifact
-plague again mid-recalibration and burned roughly an hour on contradictory
-evidence before applying its own clean-room rule; and the recalibration was
-attempted twice on empirics before the withhold decision. The
-morning-after reading of #341 should start from the observation matrix, not
-from this contract.
diff --git a/docs/research/2026-08-07-s4-pseudocode.md b/docs/research/2026-08-07-s4-pseudocode.md
deleted file mode 100644
index 6b256b30..00000000
--- a/docs/research/2026-08-07-s4-pseudocode.md
+++ /dev/null
@@ -1,287 +0,0 @@
-# `CTransition::adjust_offset` — full branch-tree pseudocode (Campaign S, S4)
-
-> **OUTCOME NOTE (2026-08-07, appended by the session lead):** AD-66 was
-> WITHHELD after this doc was written — the production code retains the
-> `radius * N.z` substitution and register row AD-66 stays ACTIVE; see issue
-> #341 for the measurement anomaly that blocked the landing. Statements below
-> describing the bare-radius port as applied describe the IMPLEMENTED-THEN-
-> PULLED state, not HEAD. The disassembly itself is unaffected and remains
-> the oracle for the relanding.
-
-
-Source: `docs/research/named-retail/acclient_2013_pseudo_c.txt`, function at
-`0x0050a370`, pseudo-C lines 272271-272393. Companion callee
-`Plane::snap_to_plane` at `0x00509c50`, lines 271852-271869. Cross-referenced
-against `references/ACE/Source/ACE.Server/Physics/Animation/Transition.cs:34-87`
-(`Transition.AdjustOffset`) and
-`references/ACE/Source/ACE.Server/Physics/Extensions/PlaneExtensions.cs:31-37`
-(`SnapToPlane`), and against `references/ACE/Source/ACE.Server/Physics/Common/Vector.cs:8-16`
-(`NormalizeCheckSmall`). Written under the S4 contract
-`docs/research/2026-08-07-s4-adjustoffset-contract.md` for AD-65 + AD-66.
-
-acdream port: `src/AcDream.Core/Physics/TransitionTypes.cs`, `Transition.AdjustOffset`
-(private → `internal` as of this slice, to allow direct exact-value testing —
-matches the existing `SlideSphereInternal` precedent in the same file).
-
-## Signature
-
-```
-Vector3 adjust_offset(CTransition* this, Vector3 offset)
-```
-
-Called once per sub-step from `find_transitional_position` BEFORE the offset
-is applied to `check_pos` (acdream: `TransitionalInsert` reads
-`CollisionInfo` state left by the PREVIOUS step, then calls `AdjustOffset`
-before mutating `CheckPos`).
-
-## Full branch tree
-
-```
-adjust_offset(offset) -> Vector3:
- result = offset
- checkSlide = false
-
- # ---- sliding-normal gate (0x0050a398) ----
- slidingAngle = dot(result, collision_info.sliding_normal)
- if collision_info.sliding_normal_valid:
- if slidingAngle < 0:
- checkSlide = true # ecx_1 = 1
- else:
- collision_info.sliding_normal_valid = false
-
- # ---- branch on contact plane (0x0050a3de) ----
- if collision_info.contact_plane_valid:
- collisionAngle = dot(result, contact_plane.N) # arg3 @0x0050a408
- slideOffset = cross(contact_plane.N, sliding_normal) # @0x0050a42a onward
-
- if checkSlide: # ecx_1 != 0 (0x0050a42a)
- # ---- crease-slide arm: verified identical to acdream, NOT changed ----
- if normalize_check_small(slideOffset): # degenerate (len <= EPSILON)
- result = Zero
- else:
- result = dot(slideOffset, result) * slideOffset
-
- elif collisionAngle <= 0: # 0x0050a505, "ah & 0x41" != 0
- # ---- INTO-plane arm (0x0050a529) — unchanged, already correct ----
- result -= contact_plane.N * collisionAngle
-
- else: # collisionAngle > 0
- # ---- AWAY-from-plane arm (0x0050a50e) — AD-65 FIX ----
- snap_to_plane(contact_plane, &result) # NOT the subtraction!
-
- # ---- safety push-out (0x0050a571) — AD-66 FIX applies inside ----
- if not contact_plane_is_water:
- if contact_plane_cell_id != 0:
- blockOffset = get_block_offset(sphere_path.check_pos.objcell_id,
- contact_plane_cell_id)
- globSphere = sphere_path.global_sphere[0]
- dist = dot(globSphere.center - blockOffset, contact_plane.N)
- + contact_plane.d
- # AD-66: retail compares/divides the BARE radius, not
- # radius*N.z, at BOTH sites below.
- if dist < globSphere.radius - F_EPSILON: # 0x0050a5cf
- zDist = (globSphere.radius - dist) / contact_plane.N.z # 0x0050a5df
- if globSphere.radius > |zDist|: # 0x0050a5e9
- sphere_path.add_offset_to_check_pos((0, 0, zDist))
-
- # ---- no contact plane (0x0050a61e) ----
- elif checkSlide: # ecx_1 != 0
- slidingAngle2 = dot(result, sliding_normal)
- result -= sliding_normal * slidingAngle2
- # else: result unchanged (no contact plane, no slide)
-
- return result
-```
-
-## `Plane::snap_to_plane` (0x00509c50) — the AD-65 target
-
-```
-snap_to_plane(plane, offset* /* in-out */):
- if |plane.N.z| <= F_EPSILON (0.000199999995f):
- return # no-op — X, Y, Z ALL unchanged
-
- # offset.z temporarily zeroed, then re-solved so dot(N, offset) + d == 0:
- offset.z = -(offset.x * N.x + offset.y * N.y) / N.z
- # X and Y are NEVER written — only Z changes.
-```
-
-### Deriving the formula (the `d` terms cancel)
-
-Retail's literal decompiled expression (pc:271864-271867) is:
-
-```
-offset.z = 0 # temporary
-A = offset.x*N.x + offset.y*N.y # (z already 0, so this
- # is the full dot(N,offset))
-offset.z = ( -(A + d) * (1/N.z) ) - ( (1/N.z) * -d )
-```
-
-Expand:
-
-```
-offset.z = -(A+d)/N.z + d/N.z
- = [ -(A+d) + d ] / N.z
- = [ -A - d + d ] / N.z
- = -A / N.z
- = -(offset.x*N.x + offset.y*N.y) / N.z
-```
-
-The `d` terms cancel exactly, leaving the plain XY-dot-over-N.z formula
-above. This matches ACE's `PlaneExtensions.SnapToPlane` byte-for-byte
-(confirmed by reading `references/ACE/.../PlaneExtensions.cs:31-37`, which
-carries the unsimplified `-(...+d)*(1/N.z) - (1/N.z)*-p.D` form — ACE did
-not even bother to algebraically simplify it, which is good corroborating
-evidence this is really what retail computes rather than an ACE
-reinterpretation).
-
-## The Binary Ninja flag-idiom ambiguity (resolve, don't guess)
-
-Four x87 float comparisons in this function's neighborhood get turned into
-the same packed-flags shape by Binary Ninja:
-
-```
-eax = (ST0 */ # sometimes resolved, sometimes not
-```
-
-**One of the four (the outer collisionAngle<=0 vs >0 branch) is resolved
-cleanly** — Binary Ninja rendered it directly as
-`if ((eax_4_ah & 0x41) != 0)` with no `/* unimplemented */` placeholder, and
-mask `0x41` (bits C0|C3) is the standard x87 "ST0 <= src" idiom. The
-divergence register's AD-65 row independently disassembled the raw bytes at
-this exact site (`0050a4fa fcomp [0x795344]` / `0050a502 test ah,0x41` /
-`0050a505 jne 0x50a515`, 0x795344 = the float constant 0.0f) and confirms:
-`jne` on `ah & 0x41` takes the SUBTRACT branch when `collisionAngle <= 0` and
-falls through to `call 0x509c50` (snap_to_plane) when `collisionAngle > 0`.
-**No ambiguity here** — this is the branch AD-65's headline fix depends on,
-and it is independently confirmed by both the contract and this doc's own
-reading of the pseudo-C.
-
-**The other three all use mask `0x5` (bits C0|C2) and ALL THREE are left as
-`/* bool p = unimplemented {test ah, 0x5} */`** by Binary Ninja — it could
-not resolve them into readable expressions:
-
-1. `snap_to_plane`'s own `|N.z| <= F_EPSILON` guard (pc:271859-271862).
-2. AD-66's safety-push trigger comparison, `dist` vs `radius - F_EPSILON`
- (pc:272358-272361).
-3. `normalize_check_small`'s degenerate-length check (pc:91421-91424,
- unrelated to AD-65/AD-66 but in the same neighborhood and same idiom —
- documented here since the sliding-normal arm cites it).
-
-Attempting to read the polarity directly off the packed-flag pseudocode's
-`(x87_rA < x87_rB)` sub-expression is **unsound** for these three: the
-subtraction operand order recorded by the decompiler
-(`(x87_r6 - x87_r7)` in snap_to_plane vs `(x87_r5 - temp0)` in
-normalize_check_small) is not by itself sufficient to recover which operand
-was `ST(0)` in the original `fcomp`, and a naive literal reading of the two
-sites against each other produces **contradictory** polarities (the two
-reads cannot both be "ST0 < src means true" and remain self-consistent with
-their own surrounding code's evident purpose). **This doc does not attempt
-to re-derive them from the disassembly-free pseudo-C.** Instead, each is
-resolved by triangulating independent evidence:
-
-| Site | Resolved polarity used | Evidence |
-|---|---|---|
-| `snap_to_plane` epsilon guard | `\|N.z\| <= F_EPSILON` → no-op; else → resolve Z | (a) **the S4 contract pins this explicitly** ("if `\|N.z\| <= 0.000199999995f` do NOTHING; else..."); (b) domain reasoning — the resolve divides by `N.z`, so the guard must protect against near-zero `N.z` (a near-vertical wall), not near-full `N.z` (a floor); (c) ACE's `PlaneExtensions.SnapToPlane` (`if (Math.Abs(p.Normal.Z) <= PhysicsGlobals.EPSILON) return;`) — independently ported, agrees exactly. |
-| AD-66 trigger (`dist` vs `radius - F_EPSILON`) | compute/push branch fires when `dist < radius - F_EPSILON` | (a) preserves the EXISTING acdream control-flow direction (push fires when penetrating) — the contract asks only to substitute the RADIUS term, not invert the comparison; (b) domain reasoning — a push-up-when-penetrating safety net must fire on LOW `dist`; (c) ACE's `Transition.cs:77` (`if (dist >= globSphere.Radius - PhysicsGlobals.EPSILON) return offset;`) — the negation of exactly this condition, independently ported, agrees. |
-| `normalize_check_small` degenerate check | `length <= F_EPSILON` → return 1 (small); else → normalize, return 0 | ACE's `Vector.NormalizeCheckSmall` (`var dist = v.Length(); if (dist < PhysicsGlobals.EPSILON) return true; v *= 1/dist; return false;`) — independently ported, agrees, and also confirms the length is the FULL vector length, not (as the raw decompiled `this->x` alone might suggest — see next section) just the X component. |
-
-All three triangulations AGREE with each other's implied "the guarded
-branch is the geometrically meaningful one" reading and agree with the two
-independently-sourced ACE ports. None of this changes what ships: (1) and
-(2) are exactly AD-65's and AD-66's fixes; (3) confirms NO change is needed
-to the sliding-normal arm.
-
-## The sliding-normal arm (0x0050a42a) — verified against acdream, NOT changed
-
-Per the contract, this arm must be verified but is out of scope to modify
-unless it diverges. It does not.
-
-**Cross product.** Retail computes (pc:272326-272328):
-
-```
-crossVec.x = sliding_normal.z * N.y - sliding_normal.y * N.z
-crossVec.y = sliding_normal.x * N.z - sliding_normal.z * N.x
-crossVec.z = sliding_normal.y * N.x - sliding_normal.x * N.y
-```
-
-This is algebraically `cross(N, sliding_normal)` (standard
-`cross(a,b) = (a.y*b.z - a.z*b.y, a.z*b.x - a.x*b.z, a.x*b.y - a.y*b.x)` with
-`a=N, b=sliding_normal`). acdream's `Vector3.Cross(ci.ContactPlane.Normal,
-ci.SlidingNormal)` computes the same thing. **Match.**
-
-**Projection.** Retail (pc:272332-272339): `dot = dot(crossVec, result)`,
-then `result = crossVec * dot`. acdream: `result = Vector3.Dot(slideOffset,
-result) * slideOffset`. Scalar-times-vector is commutative here — same
-value. **Match.**
-
-**Degenerate case (`normalize_check_small` returns nonzero).** Retail
-(pc:272341-272345) is genuinely ambiguous in the raw pseudo-C: it shows
-`x = __return_1` (the un-normalized cross-product X component, NOT zero)
-followed by `memset(&s, 0, 0x14)` which zeroes `s`, `z`, and 16 more
-trailing bytes of stack — it does NOT show `x` (the X component) being
-zeroed by the memset span shown. Read completely literally, this would mean
-X keeps a tiny nonzero leftover value while Y and Z become exactly zero,
-which does not match "degenerate → whole vector is zero".
-
-This is judged to be a **Binary Ninja decompilation artifact**, not real
-retail behavior, for three independent reasons: (1) the decompiled
-`normalize_check_small` itself only reads `this->x` (pc:91417) as the thing
-compared against `F_EPSILON` — never `this->y` or `this->z` in a
-sum-of-squares — even though lines 91415-91416 (`this->z;` / `this->y;`
-bare, unassigned reads) show the decompiler DID emit memory-read
-instructions for y and z that it then failed to fold into the length
-expression; (2) ACE's independently-ported `NormalizeCheckSmall`
-unambiguously computes the full `v.Length()`; (3) acdream's own existing
-port (`slideOffset.Length() < PhysicsGlobals.EPSILON → result = Vector3.Zero`)
-already implements the sensible full-zero, full-length reading and there is
-no report of it producing wrong behavior. This matches the project's
-documented BN-artifact class (`feedback_bn_decomp_field_names.md`): a lost
-FPU sum-of-squares reduced to one leftover operand load. **No change made.**
-acdream's existing `slideLen < EPSILON → result = Vector3.Zero` stands.
-
-## The no-contact-plane branches — verified, NOT changed
-
-- No contact plane, no slide (0x0050a3de implicit else): `result` is
- returned unmodified. acdream: `branch = "no-cp"`, no mutation. **Match.**
-- No contact plane, sliding active (0x0050a61e): `result -= sliding_normal *
- dot(result, sliding_normal)`. acdream: `branch = "no-cp-slide"`,
- `result -= ci.SlidingNormal * slidingAngle`. **Match.**
-
-## Observed but OUT OF SCOPE: the missing block-offset correction
-
-Retail's safety push-out (pc:272354, `LandDefs::get_block_offset`) and ACE's
-port (`Transition.cs:75`, `LandDefs.GetBlockOffset(SpherePath.CheckPos.ObjCellID,
-CollisionInfo.ContactPlaneCellID)`) both re-express the sphere center into
-the CONTACT PLANE's cell-relative frame before computing `dist`, to handle
-the case where the contact plane was recorded in a different (landblock-
-adjacent) cell than `check_pos`'s current cell. acdream's port
-(`TransitionTypes.cs:5602-5607`, both before and after this slice's fix)
-uses `sp.GlobalSphere[0].Origin` directly with no block-offset correction.
-
-This is a THIRD potential divergence in the same safety block, but it is
-**not AD-65 or AD-66** and is not one of the "two fixes" the S4 contract
-scopes — flagged here per the contract's "Anything outside AdjustOffset and
-its tests" OUT-of-scope clause read narrowly (in scope location, out of
-scope fix). Left unchanged; worth a future register row if the session lead
-wants it filed.
-
-## Constants
-
-- `F_EPSILON` = `0.000199999995f` (retail's exact float32 bit pattern for
- "0.0002"). acdream's `PhysicsGlobals.EPSILON = 0.0002f` compiles to the
- identical bit pattern (both are "nearest float32 to decimal 0.0002") —
- no new constant needed, reused as-is.
-
-## Deliverable summary (what changes, what doesn't)
-
-| Arm | Retail | acdream before S4 | acdream after S4 |
-|---|---|---|---|
-| `collisionAngle <= 0` (into plane) | subtract full N component | same | **unchanged** |
-| `collisionAngle > 0` (away from plane) | `snap_to_plane`: XY preserved, Z re-solved, epsilon no-op | subtract full N component (AD-65 bug) | **fixed: snap semantics** |
-| Safety-push trigger | bare `radius - F_EPSILON` | `radius*N.z - F_EPSILON` (AD-66 bug) | **fixed: bare radius** |
-| Safety-push zDist numerator | `(radius - dist) / N.z` | `(radius*N.z - dist) / N.z` (AD-66 bug) | **fixed: bare radius** |
-| Safety-push sanity bound (`radius > \|zDist\|`) | bare `radius` | bare `radius` (already correct) | unchanged |
-| Sliding-normal crease arm | cross + normalize + project | same | unchanged (verified) |
-| No-contact-plane arms | subtract or no-op | same | unchanged (verified) |
-| Block-offset correction in safety push | present (`get_block_offset`) | absent | **unchanged — out of S4 scope, flagged above** |
diff --git a/docs/research/2026-08-07-s4b-tangent-rest-contract.md b/docs/research/2026-08-07-s4b-tangent-rest-contract.md
deleted file mode 100644
index 21c5c3c4..00000000
--- a/docs/research/2026-08-07-s4b-tangent-rest-contract.md
+++ /dev/null
@@ -1,99 +0,0 @@
-# S4b contract (Campaign S) — port the retail resting pair: tangent walkable rest + bare-radius push-out
-
-**Date:** 2026-08-07. **User decision, same day: "port the retail pair."**
-**Implementer:** one Sonnet agent, AFTER S1B and S2 have landed (one physics
-slice in flight at a time; build slots). **Review:** dual Opus. **Gate:** the
-user's eyes on a slope — feet are EXPECTED to hover slightly (authentic
-retail): ~3 cm at 30°, up to ~20 cm near the walkable limit.
-
-## The mechanism, settled by measurement + two decompilers (#341)
-
-Retail's walkable placement (`CPolygon::adjust_sphere_to_plane` @0x00538210,
-BN pseudo-C 322032 + Ghidra cross-confirm) solves
-`t = (dist ∓ r) / dot(N, stepDir)` — the sphere rests TANGENT to the slope,
-perpendicular distance = radius. Its `adjust_offset` push-out uses the BARE
-radius (AD-66's byte evidence) and is therefore structurally inert at rest.
-acdream rests PLANTED (perp = r·N.z) and its substituted r·N.z trigger is
-inert here by the same algebra. The user's live capture: bare trigger vs our
-rest would fire on 84% of grounded slope ticks (2,471/2,955), lifts 2–88 mm.
-**The pair ports together or not at all.**
-
-## The suspect line, pinned at scoping
-
-`Transition.ValidateWalkable` (TransitionTypes.cs ~3652) computes
-`lowPoint = sphereCenter − (0,0,radius)` — the sphere's VERTICAL bottom — and
-`dist = dot(lowPoint, N) + D + waterDepth`, pushing up by `dist/N.z` until
-the FEET clear the plane. Resting identity: `dot(center,N)+D = r·N.z`.
-Meanwhile our `AdjustSphereToPlane` (BSPQuery.cs:364 and its FlatBspQuery
-twin) is ALREADY a faithful tangent port of @0x00538210 — so acdream today
-mixes tangent (BSP walk solve) with planted (ValidateWalkable) and the
-planted one wins the resting height on terrain.
-
-## Deliverables, in order
-
-**D0 — byte-pin retail's `OBJECTINFO::validate_walkable` FIRST.** Grep the
-named pseudo-C; disassemble the distance basis from the PDB-paired binary if
-BN is ambiguous (the flag-idiom artifact class). The ONE question: does
-retail measure the perpendicular sphere clearance
-(`dot(center,N)+D − radius` — tangent semantics) or a vertical foot point?
-Cross-check ACE's `ObjectInfo.ValidateWalkable`. Write the pseudocode doc.
-**If retail's validate_walkable turns out to ALSO use a vertical foot point,
-STOP — the whole slice premise changes and the session lead re-decides.**
-The waterDepth term's exact placement in retail's expression must be pinned
-too (AP-10's sink-in behaviour must survive byte-for-byte).
-
-**D1 — port the pair, one commit:**
-1. `ValidateWalkable`'s distance basis → retail's (per D0's pin).
-2. `AdjustOffset`'s push-out → bare radius in trigger AND numerator (the
- exact diff that was withheld — its two `[Skip]`-ed conformance tests in
- `S4AdjustOffsetConformanceTests` un-skip and must pass unchanged).
-3. **AD-69 rides along:** the same block's `dist` gains retail's
- `LandDefs::get_block_offset` cell-relative correction (the plane's cell
- frame vs the mover's), per that row's citations.
-
-**D2 — the #341 harness anomaly retest.** With the pair in, run
-`RuntimeRemoteUphillProgressTests` TEN times (mixed single/class filters,
-one full bin/obj clean-room among them) and report every outcome. The
-mechanism predicts the absorbed-tick latch becomes STABLE at the tangent
-rest (no lift — the settle leaves perp = r, bare trigger inert). If the
-flip persists, capture per-tick positions inside the test (temporary
-prints) and report the matrix — do NOT recalibrate goldens on a flipping
-measurement.
-
-**D3 — conformance + regression:**
-- Exact-value tests for the new resting identity on a tilted plane
- (perp = r), the flat-ground case (unchanged: N.z=1 makes planted and
- tangent identical — this is why the suite never saw the difference), and
- the water sink-in cases (AP-10's 0.1/0.45/0.9 depths, unchanged
- behaviourally per D0's waterDepth pin).
-- The uphill no-flap guard (`Uphill_NoContactFlapAcrossTicks`) must stay
- green — the mechanism predicts it does (tangent rest + bare trigger =
- retail's own stable pair).
-- Sabotage: revert ONLY the ValidateWalkable half — the un-skipped AD-66
- exact-value tests stay green but the new resting-identity test reds AND
- a re-run of the user's capture analysis script over a synthetic planted
- rest shows the 84% fire pattern returning. Report verbatim.
-
-**D4 — bookkeeping (session lead does the register/ISSUES edits):** AD-66
-retires with the pair; AD-69 retires; #341 closes; the AD-65 register
-retirement gains a sibling note.
-
-## Scope — OUT
-
-The sliding/crease arm, the #331 absorb semantics (crease arm — untouched
-by this pair), any scaling change (AP-156's question is separate), indoor
-EnvCell walkable paths beyond what D0 proves shares the same
-validate_walkable, S1B's files.
-
-## Acceptance
-
-Full suite clean-room green (all bin/obj deleted first — this family has
-burned three verdicts on stale artifacts); D2's ten-run matrix reported;
-nothing committed. Absolute paths, no subagents, contradictions → STOP.
-
-## The gate (user, ~3 min)
-
-Same slope run as this morning's G1, plus: stand still on a steep slope and
-LOOK DOWN — feet slightly above the surface is CORRECT (retail's look).
-Downhill speed must remain the post-AD-65 feel. Any per-tick jitter,
-bouncing, or Falling-animation flicker on slopes = FAIL, revert the slice.
diff --git a/docs/research/2026-08-07-s4b-validate-walkable-bytepin.md b/docs/research/2026-08-07-s4b-validate-walkable-bytepin.md
deleted file mode 100644
index 013d7017..00000000
--- a/docs/research/2026-08-07-s4b-validate-walkable-bytepin.md
+++ /dev/null
@@ -1,262 +0,0 @@
-# S4b D0 — byte-pin of `OBJECTINFO::validate_walkable`'s distance basis
-
-**Date:** 2026-08-07. **Author:** S4b implementer (single Sonnet agent, no
-subagents). **Status: PREMISE REFUTED — SLICE STOPPED AT D0.** No code was
-changed. D1/D2/D3/D4 were not performed. Nothing is committed.
-
-## The question D0 was scoped to answer
-
-Per `docs/research/2026-08-07-s4b-tangent-rest-contract.md`: does retail's
-`OBJECTINFO::validate_walkable` measure the **perpendicular sphere clearance**
-(`dot(center,N)+D − radius`, tangent semantics — the same shape as
-`CPolygon::adjust_sphere_to_plane`), or a **vertical foot point**
-(`lowPoint = center − (0,0,radius)`, planted semantics — the shape acdream's
-current `Transition.ValidateWalkable` already implements)?
-
-The contract's explicit, pre-authorized stop condition: *"If retail's
-validate_walkable turns out to ALSO use a vertical foot point, STOP — the
-whole slice premise changes and the session lead re-decides."*
-
-**Answer: vertical foot point (planted), for the branch that governs every
-normal mover (players, creatures — anything not the camera/viewer).** The
-stop condition is triggered by direct byte evidence from two independent
-decompilers plus ACE's independent C# port. All three agree with each other
-and with acdream's current code.
-
-## Byte evidence
-
-### 1. Ghidra decompile (primary; PDB-paired, `patchmem.gpr`, port 8081)
-
-`OBJECTINFO::validate_walkable @ 0x0050d010`:
-
-```c
-TransitionState __thiscall
-OBJECTINFO::validate_walkable(OBJECTINFO *this, CSphere *param_1, Plane *param_2,
- int param_3, float param_4, SPHEREPATH *param_5,
- COLLISIONINFO *param_6, ulong param_7)
-{
- ...
- if ((this->state & 4) != 0) { // IsViewer branch
- fVar2 = (N.x*center.x + N.y*center.y + N.z*center.z + d) - radius; // BARE radius — tangent
- ...
- return OK_TS / ADJUSTED_TS;
- }
- // else branch — every normal mover (player, creature, missile, etc.)
- fVar2 = center.x*N.x + (center.z - radius)*N.z + center.y*N.y + d + param_4;
- // ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- // = dot(center, N) + d - radius*N.z + waterDepth -- PLANTED, not tangent
- if (-EPSILON <= fVar2) { ... return OK_TS; }
- else {
- if (param_5->check_walkable != 0) return COLLIDED_TS;
- fVar2 = fVar2 / N.z; // zDist
- ... push sphere up by -fVar2 along Z, step-down interp, etc.
- return ADJUSTED_TS;
- }
-}
-```
-
-Full raw decompile captured via `GET /decompile_function?address=0x0050d010`
-against the currently-open `patchmem.gpr` project (Sept 2013 EoR build, same
-source as `docs/research/named-retail/`).
-
-**`this->state & 4` is `ObjectInfoState.IsViewer` (`= 0x4`)** — confirmed by
-`references/ACE/Source/ACE.Server/Physics/ObjectInfo.cs:13` and by
-`LandCell.cs:56`'s `!objInfo.State.HasFlag(ObjectInfoState.IsViewer) &&
-!objInfo.Object.State.HasFlag(PhysicsState.Missile)` guard on env-collision
-processing. IsViewer marks the camera/eye collision object, not the player's
-own movement sphere. Every walking mover (player body, creature, NPC) takes
-the **else** branch — the planted one.
-
-**`param_4` is waterDepth** — confirmed by the caller (below): it is used
-exactly once, added directly after the `d` term:
-`... + param_2->d + param_4`. It is NOT folded into the `lowPoint` subtraction
-— it modifies the threshold, not the sphere's virtual bottom. This is
-identical in shape and placement to ACE's
-`... contactPlane.D + waterDepth` and to acdream's current
-`contactPlane.D + waterDepth` (`TransitionTypes.cs:3673`). AP-10's sink-in
-byte-pin: **`dist = dot(center,N) + D − radius·N.z + waterDepth`**,
-unchanged from acdream's current formula.
-
-### 2. Binary Ninja pseudo-C (secondary; corroborates, was initially ambiguous)
-
-`acclient_2013_pseudo_c.txt:274479-274617`. The `state & 4` branch (lines
-274487-274488) computes `((N.x*cx + N.y*cy + cz*N.z) + d) - radius` — bare
-radius, matching Ghidra's IsViewer arm exactly.
-
-The `else` branch (lines 274531-274532) computes
-`N.y*cy + (cz - radius)*N.z + N.x*cx + d` — matching Ghidra's planted arm
-exactly, **modulo one artifact**: BN reuses the SSA name `x87_r7_16` for both
-the bare `radius` value (line 274531) and the freshly-computed dot-product
-expression one line later (274532), because both values transiently occupy
-the same logical x87 stack slot. This is the "flag-idiom artifact class" the
-project CLAUDE.md warns about — a naming collision, not an algebraic one; the
-raw expression at 274532 is unambiguous regardless of what BN chose to call
-its result. **`arg5` (waterDepth) never appears by name inside BN's rendering
-of this function** — another BN-only artifact (the float stack parameter gets
-folded directly into the compound expression without a preserved `argN`
-token). Ghidra's `param_4` resolves this cleanly. This is exactly the
-"disassemble if BN is ambiguous" case D0 anticipated, and Ghidra is the
-byte-pin of record here.
-
-### 3. ACE's independently-authored C# port (tertiary cross-check)
-
-`references/ACE/Source/ACE.Server/Physics/ObjectInfo.cs:101-172`,
-`ValidateWalkable`:
-
-```csharp
-if (State.HasFlag(ObjectInfoState.IsViewer))
-{
- var dist = Vector3.Dot(checkPos.Center, contactPlane.Normal) + contactPlane.D - checkPos.Radius;
- ... // bare radius — tangent
-}
-else
-{
- var dist = Vector3.Dot(checkPos.Center - new Vector3(0, 0, checkPos.Radius), contactPlane.Normal)
- + contactPlane.D + waterDepth;
- ... // vertical foot point — planted, waterDepth added after
-}
-```
-
-Independently produced (ACE was reverse-engineered years before this
-project's PDB-named decomp existed), and it agrees with Ghidra byte-for-byte
-on both branches, including waterDepth's placement. Three independent
-sources, zero disagreement.
-
-### 4. Caller context — confirms AD-69 is a separate, correctly-scoped finding
-
-`CLandCell::find_env_collisions @ 0x00532f20` (pseudo-C
-lines 317070-317113, Ghidra-cross-readable) is the sole caller of
-`validate_walkable` for outdoor terrain. It calls
-`LandDefs::get_block_offset` **twice**: once to convert
-`global_low_point` into the terrain-poly lookup's block frame (for
-`find_terrain_poly`), and again (0x00533007) to subtract the block offset
-from `global_sphere->center` **before** the sphere passed into
-`validate_walkable` is built. This is the cell-relative correction AD-69
-already names, scoped to `CTransition::adjust_offset @ 0x0050a370`
-(a **different** function, `pc:272271-272393` per the register row) — not to
-`validate_walkable`. AD-69 is unaffected by this finding; it was already
-correctly scoped before this slice started.
-
-### 5. `CPolygon::adjust_sphere_to_plane @ 0x00538210` — re-confirmed independently, unaffected
-
-Ghidra decompile (`GET /decompile_function?address=0x00538210`):
-
-```c
-fVar3 = dot(N, center) + d;
-fVar4 = dot(N, movement_dir);
-if (fVar4 <= EPS) { if (-EPS <= fVar4) return 0; fVar3 -= radius; } // bare radius
-else { fVar3 = -radius - fVar3; } // bare radius
-fVar3 /= fVar4;
-...
-```
-
-Bare radius, both branches — matches AD-66's byte evidence exactly and
-matches acdream's existing `BSPQuery.cs:364 AdjustSphereToPlane` (already a
-faithful port, confirmed by direct read: `dist = dpPos - validPos.Radius` /
-`dist = -validPos.Radius - dpPos`, bare `Radius`, no `N.z` factor). This
-function's tangent semantics are correct and were never in question.
-
-## What this means for the contract's premise
-
-The contract's framing was: *"acdream today mixes tangent (BSP walk solve)
-with planted (ValidateWalkable) and the planted one wins the resting height
-on terrain [instead of retail's own consistent tangent pairing]."* That
-framing assumed retail pairs tangent-with-tangent (`adjust_sphere_to_plane`
-+ `validate_walkable` both bare-radius) and that acdream's planted
-`ValidateWalkable` is therefore a deviation to fix.
-
-**The byte evidence shows retail itself pairs tangent-with-planted**, not
-tangent-with-tangent:
-
-| Function | Retail semantics | acdream today |
-|---|---|---|
-| `CPolygon::adjust_sphere_to_plane` @0x00538210 (BSP walk / push-out during collision resolution) | tangent, bare radius | tangent, bare radius (`BSPQuery.cs:364`) — matches |
-| `OBJECTINFO::validate_walkable` @0x0050d010, mover branch (per-tick terrain rest/step validation) | **planted**, radius·N.z, waterDepth added after | **planted**, radius·N.z, waterDepth added after (`TransitionTypes.cs:3652-3730`) — matches |
-| `CTransition::adjust_offset` @0x0050a370 safety push-out (AD-66) | tangent, bare radius (byte-confirmed, withheld pending #341) | planted substitution (radius·N.z), the AD-66 deviation | ← genuinely still a deviation, unaffected by this finding |
-
-acdream's `ValidateWalkable` is **already a byte-faithful port** of retail's
-mover-path formula — same low-point construction, same epsilon bracket
-(`dist >= -EPSILON` / `dist <= EPSILON`), same `zDist = dist/N.z` push-up,
-same step-down interpolation guard, same `OnWalkable`/`Contact` flag-setting
-conditions (state bits 1/2 map onto `oi.Contact`/`oi.OnWalkable` exactly).
-There is no `ValidateWalkable` distance-basis change to port — porting one
-would make acdream **diverge from** retail, not converge to it.
-
-**D1 item 1 (ValidateWalkable's distance basis → tangent) is refuted and must
-not be implemented.** Because the contract frames the pair as inseparable
-("The pair ports together or not at all" / "STOP — the whole slice premise
-changes"), **the whole D1/D2/D3 program as specified is out**, not just item
-1 in isolation. Items 2 (AD-66 bare-radius landing in `AdjustOffset`) and 3
-(AD-69's `get_block_offset` correction) remain independently well-founded by
-their own byte evidence and their own register rows — but landing them was
-explicitly conditioned by this contract on the ValidateWalkable pairing
-argument that just failed, and the #341 anomaly this slice was named for
-(the flipping absorbed-tick behavior on AD-66 alone) has **not been
-explained** by anything found here. Landing AD-66/AD-69 now, under a
-different justification than the one this contract authorized, is a
-decision for the session lead, not a call for the implementer to make
-unilaterally under a refuted contract.
-
-## What was NOT done (by design, per the contract's own stop clause)
-
-- D1 (port the pair) — not implemented. No changes to `TransitionTypes.cs`
- `ValidateWalkable` or `AdjustOffset`, no changes to `BSPQuery.cs` /
- `FlatBspQuery.cs`.
-- D2 (ten-run `RuntimeRemoteUphillProgressTests` retest) — not run under
- this slice's changes, because there are no changes to test. (The existing
- `S4AdjustOffsetConformanceTests.Uphill_NoContactFlapAcrossTicks` and the
- two `[Skip]`-ed AD-66 tests were read but left untouched and un-unskipped.)
-- D3 (conformance tests + sabotage) — not written.
-- D4 (register/ISSUES bookkeeping) — not performed; AD-66 and AD-69 remain
- exactly as they are (AD-66 ACTIVE/WITHHELD, AD-69 FILED, #341 open).
-- No files under `src/` were edited. No commits were made.
-
-## Open question for the session lead
-
-The #341 measurement anomaly (AD-66's bare radius alone producing
-contradictory absorbed-tick outcomes that flip with test-assert shape) is
-still unexplained. This slice's finding rules out "ValidateWalkable should
-also be tangent" as the fix, since that would itself be a retail deviation.
-Candidate directions the session lead may want to weigh (not investigated
-here — out of this slice's scope once D0 refuted the premise):
-
-- The anomaly may be a test-harness artifact (the tests' own docstring
- already flags "flipping with nothing but the shape of the test's post-tick
- asserts" as suspicious) rather than a real engine behavior difference.
-- AD-69's `get_block_offset` gap could be entangled with AD-66's in a way
- that only shows up when both change together — but that is a testable
- hypothesis, not yet tested.
-- The #331 absorb-tick semantics (explicitly OUT of scope for both this
- contract and S4b) may be the actual source of the flip, independent of
- AD-66/AD-69 entirely.
-
-## Citations
-
-- `OBJECTINFO::validate_walkable` @ 0x0050d010 (Ghidra `patchmem.gpr`
- decompile; BN pseudo-C `acclient_2013_pseudo_c.txt:274479-274617`)
-- `ObjectInfoState.IsViewer = 0x4`
- (`references/ACE/Source/ACE.Server/Physics/ObjectInfo.cs:13`)
-- `references/ACE/Source/ACE.Server/Physics/ObjectInfo.cs:101-172`
- (`ValidateWalkable`, independent port)
-- `references/ACE/Source/ACE.Server/Physics/Common/LandCell.cs:56`
- (IsViewer/Missile env-collision guard)
-- `CLandCell::find_env_collisions` @ 0x00532f20
- (`acclient_2013_pseudo_c.txt:317070-317113`; the `get_block_offset` calls
- and `validate_walkable` call site)
-- `CPolygon::adjust_sphere_to_plane` @ 0x00538210 (Ghidra decompile; AD-66's
- cited address, re-confirmed)
-- `src/AcDream.Core/Physics/TransitionTypes.cs:3652-3730` (acdream's current
- `ValidateWalkable` — read directly, confirmed byte-faithful to the mover
- branch above)
-- `src/AcDream.Core/Physics/TransitionTypes.cs:5501-5655` (acdream's current
- `AdjustOffset`, including the AD-66 WITHHELD comment block and AD-69's
- target `dist` computation)
-- `src/AcDream.Core/Physics/BSPQuery.cs:364-428` (acdream's current
- `AdjustSphereToPlane` — read directly, confirmed byte-faithful bare-radius)
-- `docs/architecture/retail-divergence-register.md` rows AD-66 (line 65
- header context), AD-69 (line 166)
-- `tests/AcDream.Core.Tests/Physics/S4AdjustOffsetConformanceTests.cs`
- (the two `[Skip]`-ed AD-66 tests, read but left untouched)
-- `docs/research/2026-08-07-s4b-tangent-rest-contract.md` (this slice's
- pinned contract; the stop clause invoked above is quoted from its D0
- section verbatim)
diff --git a/docs/research/2026-08-07-s6-perfectclip-containment-contract.md b/docs/research/2026-08-07-s6-perfectclip-containment-contract.md
deleted file mode 100644
index c928ef45..00000000
--- a/docs/research/2026-08-07-s6-perfectclip-containment-contract.md
+++ /dev/null
@@ -1,66 +0,0 @@
-# S6 contract (Campaign S) — contain the undecodable PerfectClip TOI tails (AP-83 / AP-91)
-
-**Date:** 2026-08-07. **Implementer:** one Sonnet agent, after S4b lands.
-**Review:** one Opus pass (small slice). **No visual gate** — fully automated.
-
-## What this is, and is not
-
-AP-83 and AP-91 record that the PerfectClip time-of-impact tails in
-`CylCollideWithPoint` and `SphereCollideWithPoint`/`FindSphereTimeOfCollision`
-(TransitionTypes.cs) were decoded via ACE because the retail x87 sequences do
-not decompile. **There is no retail text to port — this slice does NOT "fix"
-them.** The deliverable is proof about reachability plus a loud guard, so the
-rows become auditable instead of aspirational (the AP-22 resolution shape).
-
-## Premise correction, pinned at scoping — the rows' "no mover sets
-PerfectClip" is FALSE as stated
-
-`PhysicsCameraCollisionProbe.cs:69` sets `ObjectInfoState.PerfectClip` on the
-CAMERA mover (faithful to retail's camera flags). So containment must be
-proven as: **the camera's resolve can never reach the Cyl/Sphere PerfectClip
-TOI tails.** Candidate arguments to verify (do not assume any):
-1. The viewer exemption block in `FindObjCollisions`/`CollisionExemption`
- (viewer-vs-creature skip, `CollisionExemption.cs:83-85` region) — does it
- skip ALL shadow objects for a viewer mover, or only creatures? A static
- prop with CylSpheres in the camera's sweep would reach the tail if not.
-2. Whether the camera resolve enumerates shadow objects at all (retail's
- `update_viewer` sweep may be environment-only — check our port's call
- shape at the camera probe's ResolveWithTransition arguments).
-If BOTH arguments fail — the camera genuinely can reach a Cyl/Sphere TOI
-tail — that is a FINDING, not a failure: the ACE-derived math is then LIVE
-production code for the camera, and the rows get rewritten to say so with
-the camera named as the reachable population (severity: camera-feel only).
-
-## Deliverables
-
-1. **Reachability proof or refutation**, written into a short doc: for each
- of the two tails, the exact call chain from every PerfectClip-setting
- mover (grep-proof of the full setter population first — today it is the
- camera probe alone, verify), and where each chain is cut (file:line), or
- not.
-2. **The loud guard:** at the head of each TOI tail, a debug-only assertion
- (or diagnostics counter + one-shot log, matching house style for
- invariants) that fires if the tail executes with a mover whose reachability
- was proven impossible — so a future flag change cannot silently start
- executing ACE-derived math nobody re-verified. If the camera IS reachable,
- the guard instead records the tail as camera-live (counter, not assert).
-3. **Tests:** one per tail driving the production resolve with a
- PerfectClip mover against a Cyl/Sphere-shaped shadow entity, asserting
- whichever reachability the proof established (reached → the guard counter
- increments and the ACE-derived result is pinned as a golden; unreached →
- the exemption cuts it and the guard stays silent). Sabotage: disable the
- exemption that cuts the chain and watch the reachability flip.
-4. Register rewrite text for AP-83/AP-91 handed to the session lead
- (rows stay ACTIVE either way — the math remains ACE-derived — but their
- population claim becomes measured).
-
-## Scope — OUT
-
-Any change to the TOI math itself. The camera's flag set (retail-faithful).
-Register/ISSUES edits (session lead).
-
-## Acceptance
-
-Scoped build/test green (Core + Core.Tests; clean-room for the verdict run);
-sabotage reported verbatim; nothing committed. Absolute paths, no subagents,
-contradictions → STOP.
diff --git a/docs/research/2026-08-08-345-d0-branch-pin.md b/docs/research/2026-08-08-345-d0-branch-pin.md
deleted file mode 100644
index 4d3fc6ba..00000000
--- a/docs/research/2026-08-08-345-d0-branch-pin.md
+++ /dev/null
@@ -1,276 +0,0 @@
-# #345 D0 — branch pin, round 2: the routing is retail-faithful; the profile contradiction stands unresolved
-
-**Order:** implementation session, per `docs/research/2026-08-08-345-fix-contract.md` and
-`docs/research/2026-08-08-345-mechanism-contract.md`. This session's mandate was to
-find the branch the *first* D0 pass (`docs/research/2026-08-08-345-pseudocode.md`)
-missed — the fix contract's premise, from the live cdb profile, is that retail's
-`transitional_insert` reaches `edge_slide`/`cliff_slide` every tick during the glide
-while ours dead-loops without ever reaching it.
-
-**Verdict: the premise's specific mechanism ("Adjusted lets the insert proceed to
-step-down, ours treats it as retry-from-scratch") is REFUTED by a clean re-trace and
-by two independent, empirical, byte-for-byte reproductions in a synthetic fixture.
-Our `TransitionalInsert`/`InsertIntoCell`/`CheckOtherCells` routing is faithful to
-the decompiled retail control flow for this exact topology (grounded-on-flat,
-step crosses into too-steep terrain). The contradiction against the live retail
-profile is real and unresolved — this session SOPS per the fix contract's explicit
-fallback rather than making an unproven change.**
-
-## What this session did beyond the first D0 pass
-
-The first pass (`2026-08-08-345-pseudocode.md`) traced `ValidateWalkable`,
-`TransitionalInsert`'s switch, `CheckOtherCells`, `ValidateTransition`, and
-`SetSlidingNormal`, and concluded retail's own algorithm converges to the same
-zero-yield stop. It left one explicit open question: does retail's
-`CObjCell::find_cell_list`/our `CellTransit.FindCellSet` broadphase actually
-include the neighboring too-steep cell as an "other cell" to test, or does the
-narrower real geometry not reach it at all — a question it said needed a live
-cdb trace, not more code reading.
-
-This session did three additional things the first pass did not:
-
-1. **Read `CTransition::step_down` (0x0050b2a0) in full** — the function
- `transitional_insert`'s step-down/edge-slide block actually calls before
- `edge_slide`. This is the literal mechanism the fix contract's hypothesis
- named. Confirmed: `step_down` sets `sphere_path.step_down=1`, moves
- `check_pos.z -= arg2`, and calls `transitional_insert(this, 5)` recursively
- at the LOWERED position — but this whole apparatus is gated behind
- `transitional_insert`'s own `if (edi == OK_TS)` block (pc:273191,
- 0x0050b787), which is reached **only** when both the primary
- `insert_into_cell` **and** `check_other_cells` return `OK_TS` for the
- CURRENT (un-lowered) attempt.
-2. **Read `CTransition::check_other_cells`'s switch (0x0050ae50, pc:272733-272753)
- byte-for-byte** — case `COLLIDED_TS`/`ADJUSTED_TS` (2/3) both `return result`
- immediately, no further cells tried, no state reset. This is a clean 4-way
- integer switch on a virtual call's return value — no x87, no missing flag
- tests, no BN garbling. High confidence in this reading.
-3. **Built two independent synthetic terrain fixtures** (not committed — thrown
- away after use, see below) and ran them through the *real*
- `PhysicsEngine.ResolveWithTransition` → `Transition.FindTransitionalPosition`
- → `TransitionalInsert` pipeline with the project's own instrumentation
- (`ACDREAM_PROBE_STEP_WALK`, `ACDREAM_DUMP_TRANSIT_FAIL`,
- `ACDREAM_PROBE_INDOOR_BSP`, `ACDREAM_DUMP_EDGE_SLIDE`) to get ground truth
- instead of continuing to hand-derive float comparisons.
-
-## The two empirical fixtures
-
-Both: a grounded player-flagged mover (radius 0.48, `ObjectInfoState.IsPlayer |
-EdgeSlide`, `oi.OnWalkable=true`, `oi.Contact=true`), resting on flat terrain
-(N=(0,0,1)), given a diagonal (45°-ish) horizontal-only request that lands on a
-terrain triangle with `N.z=0.6` (< `PhysicsGlobals.FloorZ`=0.6642, i.e.
-genuinely too steep — matching the fix contract's "N.z≈0.6" scenario).
-
-**Fixture A — steep triangle in a NEIGHBORING outdoor cell** (request crosses a
-24 m terrain-cell boundary). Result: the PRIMARY cell's terrain query is
-out-of-bounds for the new XY (`SampleTerrainWalkableInCell`'s fixed-cell bounds
-check, `PhysicsEngine.cs:1076-1080` — itself a documented, intentional retail
-mirror: "retail continues dispatching the captured `CObjCell*`") and passes
-through as `OK`. `CheckOtherCells` (`TransitionTypes.cs:2999-3010`) then finds
-the true neighboring cell, calls `ValidateWalkable`, gets the below-surface
-"too steep" branch (`dist=-0.04`, `sp.StepDown=false` at this point since we're
-still in the un-lowered outer attempt, `walkable=false` since `N.z(0.6) <
-WalkableAllowance(FloorZ=0.6642)`), returns `TransitionState.Adjusted`
-unconditionally (the branch always returns Adjusted regardless of whether the
-push guard fired — `ValidateWalkable`, `TransitionTypes.cs:3785`).
-`ApplyOtherCellResult` (`TransitionTypes.cs:3316-3333`) halts on Adjusted.
-`RunCheckOtherCellsAndAdvance` returns Adjusted. `TransitionalInsert`
-(`TransitionTypes.cs:2055-2065`) sees `otherState != OK`, sets
-`transitState = otherState`, and `continue`s the outer retry — **never
-reaching the `ci.ContactPlaneValid`/step-down gate at line 2248/2252 at all.**
-Three outer attempts, byte-identical `dist=-0.04000` each time (the query
-never changes because nothing in the ADJUSTED path perturbs `sp.CheckPos`).
-`ValidateTransition` then forces `OK`, reverts to the start position: **0%
-XY yield**, `[transit-fail]` STUCK-TICK fires.
-
-**Fixture B — steep triangle WITHIN the SAME primary cell** (both start and
-target inside one 24 m cell's own quad; the too-steep triangle is one of the
-cell's own two split triangles, `N=(-0.8,0,0.6)`, reached via the diagonal
-split so no other-cell dispatch is needed at all). Result: even cleaner —
-`InsertIntoCell`'s OWN inner retry loop (`TransitionTypes.cs:2383-2390`, up to
-3 attempts) calls `FindPrimaryCellCollisions` → `FindEnvCollisions` →
-`ValidateWalkable` directly, gets `Adjusted` on every one of its 3 attempts
-(`dist=-9.74400` identical all 3, deep penetration by design), and returns
-`Adjusted` from `InsertIntoCell` itself — before `check_other_cells` is even
-called. `TransitionalInsert`'s outer switch, `case ADJUSTED_TS: { neg_poly_hit
-= 0; break; }` (`TransitionTypes.cs:2030-2037`), skips the entire `if (edi ==
-OK_TS)` block. 3 outer attempts × 3 inner attempts = 9 total
-`[transit-fail-insert]` lines, every one `env=Adjusted`, never reaching
-`environment=OK`. `DoStepDown`/`EdgeSlideAfterStepDownFailed` are **never
-called** — zero `edge-slide:` diagnostic lines fire in this fixture's log,
-confirmed by grep. **0% XY yield**, STUCK-TICK fires, identical fingerprint to
-Fixture A and to the original captured bug (`spStepDown=False`,
-`guardPassed=False`, `outcome=Adjusted`, byte-identical `dist` every attempt).
-
-Both fixtures independently, by two structurally different routes (neighbor
-cell vs. same cell), reproduce the exact captured #345 fingerprint from
-`docs/ISSUES.md` — and both do so by faithfully executing the documented
-retail control flow (`check_other_cells`'s unconditional early return on
-Adjusted; `transitional_insert`'s post-switch `edi==OK_TS` gate). Neither
-fixture ever reaches `DoStepDown`/`EdgeSlideAfterStepDownFailed`/`CliffSlide` —
-which the trap-list machinery (`RetailEdgeResponseOrderingTests.cs`,
-already green) proves is itself faithful and reachable once a *clean* `OK`
-attempt occurs. **The problem, if it is a problem in acdream's code at all, is
-never reaching a clean `OK` attempt in the first place — which is exactly what
-retail's own decompiled `insert_into_cell`/`check_other_cells` say should
-happen for this topology too.**
-
-## Why this is a STOP, not a D1 fix
-
-The fix contract's own hypothesis was specific: *"does retail's grounded step
-run a step-down phase per sub-step such that validate_walkable's Adjusted-on-
-steep lets the insert PROCEED to that phase ... where ours treats the
-primary's Adjusted as retry-the-insert?"* This session traced the exact
-function (`step_down`) and the exact gate (`transitional_insert`'s
-`if (edi == OK_TS)`) the hypothesis named, byte-for-byte, and found retail's
-own code does **not** let an Adjusted result proceed to the step-down phase —
-it retries from scratch, identically to acdream's port. The hypothesis, taken
-literally, is refuted, not confirmed. Two independently-constructed fixtures
-running acdream's real `TransitionalInsert`/`InsertIntoCell`/`CheckOtherCells`
-production code confirm this refutation empirically, not just on paper.
-
-This leaves the contradiction between:
-- the pseudo-C (hand-traced + empirically reproduced twice): this topology
- should dead-loop, in BOTH retail and acdream, and
-- the live cdb profile (`345-retail-glide.cdb.log`): retail's glide fires
- `edge_slide`/`cliff_slide` 594 times each, in lockstep, `step_up` zero,
-
-genuinely unresolved. Per the fix contract ("if the hypothesis is wrong, keep
-going until you find the branch that produces the profile") this session kept
-going — through `step_down`, `check_other_cells`, `InsertIntoCell`'s own
-retry loop, `CheckOtherCells`'s cell-set dispatch (`RunCheckOtherCellsAndAdvance`,
-`TransitionTypes.cs:3562-3636`, `CellTransit.FindCellSet`) — and found every
-one of those to be a faithful, citable, non-garbled port. No garbled
-Binary-Ninja decision point was found in the functions actually exercised by
-this topology (`insert_into_cell`, `transitional_insert`'s switch,
-`check_other_cells`'s switch, `step_down`) — all were clean integer
-dispatches, not x87/flag-test mush, so this is not a "note the address and
-STOP for byte-decode" situation either.
-
-**What remains unresolved, and is out of this session's scope to fix by
-guessing:**
-- Whether retail's *actual* Rithwic terrain topology differs structurally from
- both synthetic fixtures here in some way that changes which branch fires —
- e.g. a shallower approach that keeps the primary/other-cell query in the
- "above" branch for more of the glide, letting more attempts reach a clean
- `OK` and hence `step_down`/`edge_slide` (this is plausible in principle: the
- live profile's `set_sliding_normal` count, 538, is *lower* than `edge_slide`/
- `cliff_slide`'s 594, meaning not every `edge_slide` call reaches
- `cliff_slide`'s effective branch — consistent with a live approach that
- spends *some* attempts in "above" and only *some* in "below-and-caught").
-- Whether `CellTransit.FindCellSet`'s broadphase (feeding `CheckOtherCells`'s
- `cellSet`) is over- or under-inclusive relative to retail's real
- `CObjCell::find_cell_list` for a moving sphere near a terrain-cell boundary
- — the same open question the first D0 pass flagged, still open, still
- requiring the live cdb trace named in that pass's own recommendation
- (`validate_walkable @0x0050d010` / `transitional_insert @0x0050b6f0` /
- `adjust_sphere_to_plane @0x00538210` while the glide happens), which this
- text-only session cannot execute.
-
-Per the fix contract's acceptance rule #4 ("Any contradiction between the
-profile, the pseudo-C, and our code that you cannot resolve → STOP and report
-with the evidence. A correct STOP is a success."), this session stops here.
-**No production code was changed.** The two throwaway diagnostic fixtures used
-to gather this evidence were deleted before this document was written; they
-are reproducible from the exact parameters quoted above if a future session
-wants to re-verify or extend them (in particular: a graduated multi-triangle
-terrain fixture that keeps some attempts in the "above" branch, to test the
-"live approach spends only some attempts below" theory above).
-
-## Trap list compliance
-
-No change was made to `ValidateWalkable`'s math, `AdjustOffset`, the #331
-absorb, the #32 setter split, `DoStepUp`/`DoStepDown` internals, the
-edge-family response bodies, or the `stepDownHeight = oi.StepUpHeight`
-oddity. `RetailEdgeResponseOrderingTests.cs` (unmodified) already pins that
-`DoStepDown`→`EdgeSlideAfterStepDownFailed`→`CliffSlide` chain as faithful and
-reachable from a clean `OK` attempt — this session's fixtures corroborate that
-finding rather than contradicting it; the gap is entirely upstream of it.
-
-## Parent addendum (2026-08-08, post-STOP): the ACE cross-check sharpens the question
-
-`references/ACE/Source/ACE.Server/Physics/Transition.cs:779-934`
-(`TransitionalInsert`) — an independent port of the same retail loop — shows
-`EdgeSlide` is reachable ONLY from the `transitState == OK` arm: insert
-succeeds → the grounded step-down block runs → `StepDown` fails →
-`EdgeSlide(ref transitState, ...)`. On `Adjusted` the loop merely clears
-`NegPolyHit` and retries, exactly as our port and this doc's fixtures show.
-
-Therefore the live profile (594 `edge_slide`/`cliff_slide` lockstep per run,
-`step_up`=0) FORCES the conclusion that retail's primary insert RETURNS OK
-per tick in the glide scenario, while ours returns `Adjusted` 3×3 per tick.
-The missed branch is not routing-after-Adjusted; it is whatever prevents
-retail's per-tick check position from tripping `validate_walkable`'s
-below-plane push (`@0x0050d010` mover arm, `return ADJUSTED_TS`) in the
-first place — most plausibly the interplay of the previous tick's
-edge/cliff slide having already moved the request, or a check-position
-seeding difference at insert entry.
-
-**Falsifiable predictions for the round-2 capture
-(`tools/cdb/345-glide-stacks.cdb`):**
-1. `tins` (transitional_insert) counts ~1 per tick — NO retry storm in
- retail (ours: 9 attempts/tick).
-2. `stepdown` runs in lockstep with `edge` (≈594 scale).
-3. The `edge_slide` stacks show `transitional_insert` (or
- `find_transitional_position`) directly — the OK-arm step-down block —
- with NO intervening validate/adjust retry frames.
-
-If prediction 1 fails (retail also retry-storms), the divergence is inside
-the retry's convergence instead, and the Adjusted-production question
-reopens. Either way the capture discriminates.
-
-## D0 RESOLVED (2026-08-08, parent session): the missed branch is validate_walkable's RETURN SCOPING — byte-proven
-
-Capstone disassembly of the PDB-paired binary (`C:\Users\erikn\Downloads\
-acclient.exe`, v11.4186) at `OBJECTINFO::validate_walkable` @0x0050d010:
-
-```
-0050d020 mov edi, 1
-0050d025 mov [esp+0xc], edi ; var_1c = 1 = OK_TS (return-value slot)
-...below-plane arm...
-0050d1a9 test ecx, ecx ; sp->step_down
-0050d1af jne 0x50d1bf ; set → guard body
-0050d1b1 test byte [ebp+4], 2 ; oi->state & OnWalkable
-0050d1b5 je 0x50d1bf ; clear → guard body
-0050d1b7 test eax, eax ; is_valid_walkable(N)
-0050d1b9 je 0x50d251 ; TOO STEEP → SKIP guard body ENTIRELY
-0050d1bf ...set_contact_plane, step-down interp (fail: mov eax,2 → COLLIDED),
-0050d244 call add_offset_to_check_pos ; the push
-0050d249 mov dword [esp+0x10], 3 ; var_1c = ADJUSTED — ONLY after the push
-0050d251 ...collision-normal tail (Contact set → skipped)...
-0050d271 mov eax, [esp+0x10] ; return var_1c
-```
-
-**The guard-fail path (grounded mover, OnWalkable, too-steep plane) never
-touches var_1c: retail returns OK.** The steep below-plane is deliberately
-ignored by primary walkable validation; the insert proceeds, the OK-arm
-step-down phase runs at the advanced position, its walkable probe fails on
-the steep landing (`check_walkable` early-out: `0050d187 mov eax,2` —
-COLLIDED, also byte-confirmed), `StepDown` fails, and `EdgeSlide` /
-`CliffSlide` produce the per-tick lateral glide. Every round-1 counter
-(594 edge/cliff lockstep, step_up=0, walkable_hits_sphere=0,
-adjust_sphere_to_plane=0, vwalk high) is reproduced by this reading.
-
-**ACE misported this** (`ObjectInfo.cs:169` returns Adjusted
-unconditionally after the guard block) and acdream inherited the shape.
-Binary Ninja had `var_1c = 3` correctly scoped inside the guard all along
-(pc:274525+ region) — but its `void` return typing and bare `return;`
-statements hid the return-value mechanics from every prior reading.
-
-**The fix (supersedes the contract's D1 scope, per its own "find the real
-branch" clause):** in our `ValidateWalkable` below-plane arm
-(`TransitionTypes.cs:3744-3785`), return `Adjusted` only when the guard
-passed and the push executed; return `OK` when the guard fails. No routing
-change in `TransitionalInsert` is needed — the existing OK-arm step-down
-block + edge family already produce the cascade (proven live-healthy by
-this morning's 18 clean edge-family entries).
-
-Also byte-confirmed while here: the step-down interp failure returns
-COLLIDED (`0050d28b mov eax,2`) — ACE and our port are RIGHT there; BN's
-bare `return` hid it. And the check_walkable early-out returns COLLIDED
-(`0050d187`) — all three agree.
-
-**Flagged secondary (file, don't chase):** retail's guard calls
-`CPhysicsObj::is_valid_walkable(N)` (fixed retail threshold) at BOTH the
-resting and below-plane sites; ours tests `N.z >= sp.WalkableAllowance`.
-In this scenario both reject N.z=0.6, so it is not #345's cause — but the
-operand difference needs its own conformance check.
diff --git a/docs/research/2026-08-08-345-fix-contract.md b/docs/research/2026-08-08-345-fix-contract.md
deleted file mode 100644
index d86e95f2..00000000
--- a/docs/research/2026-08-08-345-fix-contract.md
+++ /dev/null
@@ -1,67 +0,0 @@
-# #345 fix contract — route the refused steep walkable into the edge family, as retail does every tick
-
-**Date:** 2026-08-08. **Implementer:** one Sonnet agent, after the AD-66
-reland lands (adjacent code; one physics change in flight at a time).
-**Review:** dual Opus (this is core movement). **Gate:** the user's glide —
-angled input into a too-steep hillside must slide laterally, scaling with
-angle, exactly as their retail observation ("it glides, faster the more
-angle") establishes as the axiom.
-
-## The oracle is a RUNTIME PROFILE, not a code reading
-
-Live cdb on the PDB-paired retail client during the user's 45° glide
-(`345-retail-glide.cdb.log`): `edge_slide` and `cliff_slide` fired **594
-times each in lockstep** (~30/s), `set_sliding_normal` 538, **`step_up` 0**,
-`adjust_sphere_to_plane`/`walkable_hits_sphere` 0. Retail's glide IS the
-edge family running per tick. Ours in the same scenario: 18 edge-family
-entries total; the stuck ticks (275, `345-mechanism.log` + the ISSUES
-anatomy) dead-loop insert retries with every phase OK and ValidateWalkable
-returning Adjusted on the steep plane, never reaching the edge family.
-
-**A prior code-reading pass concluded "Adjusted retries from scratch,
-retail-identical" — the profile REFUTES the completeness of that reading.**
-Retail demonstrably reaches edge_slide per tick from this same scenario;
-some branch the reading missed routes there.
-
-## D0 — find the missed branch (pseudocode doc first, mandatory)
-
-Candidate to verify FIRST (hypothesis, not conclusion): our stuck ticks all
-show `spStepDown=False` inside the failing validations — yet retail's edge
-family enters from the STEP-DOWN-FAILED branch, and retail's ordinary
-grounded step runs a step-down phase per sub-step. Question: in retail's
-`transitional_insert` (@0x0050b6f0) + `find_transitional_position`, when
-does the grounded step's step-down phase run relative to the primary
-collision, and does validate_walkable's Adjusted-on-steep let the insert
-PROCEED to that phase (whose failure then enters `edge_slide` @~0x0050b921,
-the anchor mapped in the #32 research) — where ours treats the primary's
-Adjusted as retry-the-insert? Pin from the pseudo-C with addresses; if the
-hypothesis is wrong, find the real branch — the PROFILE is the constraint
-any reading must reproduce (per-tick edge entry, zero step_up).
-
-## D1 — the minimal port
-
-Only the routing/branch fidelity in our `TransitionalInsert` /
-`FindTransitionalPosition` loop. The trap list is absolute: no changes to
-ValidateWalkable's math, AdjustOffset (fresh AD-66 landing!), the #331
-absorb, the #32 setter split, `DoStepUp`/`DoStepDown` internals, or the
-edge-family responses themselves (all proven faithful and live-healthy —
-this morning's 18 entries all applied clean constraints).
-
-## D2 — tests
-
-1. The measured scenario as a fixture (grounded mover, 45° request into an
- N.z≈0.6 terrain plane): post-fix the LATERAL component survives (yield
- > 0 in Y for an X-facing slope), scaling with angle (two angles
- asserted, ordering only — no magic feel constants); perpendicular still
- stops (retail's perpendicular observation).
-2. The trace fixture (`TransitFailProbeTests`) shows the changed anatomy —
- the stuck-tick predicate should no longer fire at all on the angled
- fixture (motion occurs).
-3. The #331 absorb pin, the AD-65/AD-66 conformance tests, and the uphill
- no-flap guard all stay green untouched.
-4. Sabotage: revert the routing → the lateral test reds; restore.
-
-## Acceptance
-
-Clean-room full suite, exact totals; nothing committed; contradictions →
-STOP and report. Then dual review, then the user's glide gate.
diff --git a/docs/research/2026-08-08-345-mechanism-contract.md b/docs/research/2026-08-08-345-mechanism-contract.md
deleted file mode 100644
index 69bd359f..00000000
--- a/docs/research/2026-08-08-345-mechanism-contract.md
+++ /dev/null
@@ -1,60 +0,0 @@
-# #345 mechanism-session contract — who eats angled input on the steep-slope approach?
-
-**Date:** 2026-08-08. **Order:** after #344 lands. **This is an
-instrumentation session, not a fix session** — the fix contract gets written
-from the capture, not before.
-
-## Evidence in hand (do not re-derive)
-
-- `uphill-45deg-capture.jsonl`: 838 uniform stuck ticks — request ~0.23 m/tick
- at 45° to the face, **result byte-identical to input position**,
- `collisionNormalValid=True` with **`collN=(0,0,1)`** (straight up),
- `slidingNormal=(0,0,0)`, carried contact = the ~6.8° approach terrain
- `(-0.083,0.083,0.993)`, `transient=0x3` (Contact|OnWalkable).
-- `uphill-slide-capture.log`: the steep face itself was reached only 18
- times; every reach took branch2 cliff-slide with a healthy applied
- constraint. The eater is UPSTREAM of the face.
-- `uphill-AB-precampaign.jsonl`: identical 0.0%-yield signature on the
- pre-campaign binary — **pre-existing**, Campaign S exonerated.
-- Ruled out by measurement: the #331 sliding absorb (no latch), cliff-slide
- degeneracy (#32 fixed, visibly healthy), all Campaign S landings.
-
-## The one probe this session builds
-
-A per-tick TRANSITION PHASE TRACE, `ACDREAM_DUMP_TRANSIT_FAIL=1`, firing ONLY
-when a resolve returns zero XY displacement against a nonzero XY request
-(the stuck-tick predicate — self-selecting, so a normal session prints
-nothing). For each such tick, one line each for:
-1. every `TransitionalInsert` attempt: attempt #, phase reached
- (env/building/objects), each phase's TransitionState, and on Collided the
- colliding polygon's plane normal + which BSP/terrain source produced it;
-2. every step-up entry and its step-down verdict (reuse/extend
- `ACDREAM_DUMP_STEPUP`'s existing lines — they already print the input
- normal and the landing verdict);
-3. every `ValidateWalkable` outcome on the tick: dist, waterDepth, which
- branch (resting / below-push / CheckWalkable-fail), and BOTH flag guards
- (`oi.Contact`, `sp.StepDown`) at its `SetCollisionNormal` site — the
- `collN=(0,0,1)` fingerprint most plausibly comes from a
- `SetCollisionNormal(groundNormal)` *somewhere*, and this names which.
-4. the final `AdjustOffset` input/output pair for the tick.
-
-House rules: lives in `PhysicsDiagnostics` (rule 5), self-selecting trigger,
-zero cost when off, mover id on every line
-(`feedback_probe_identity_attribution`).
-
-## The session
-
-Build with the probe → the user repeats the exact 45° protocol (~1 min) →
-read the trace → the failing phase + normal source IS the mechanism → write
-the fix contract from it, citing the retail counterpart
-(grep-named-first: `CTransition::transitional_insert` family, the step-down
-refusal path, `validate_walkable`'s collision-normal writes — all already
-mapped in this repo's pseudocode docs).
-
-## Known trap inventory for the eventual fix (from this week's do-not-retry ledger)
-
-The #331 absorb is retail-faithful — whatever the fix is, that
-characterization pin must stay green. The #32 setter split must not be
-re-latched. AD-65's snap arm is byte-anchored. The step-up chain's
-`stepDownHeight = oi.StepUpHeight` oddity is retail-verbatim (#338's
-research). Do not touch any of these on a theory.
diff --git a/docs/research/2026-08-08-345-pseudocode.md b/docs/research/2026-08-08-345-pseudocode.md
deleted file mode 100644
index 967d3d1c..00000000
--- a/docs/research/2026-08-08-345-pseudocode.md
+++ /dev/null
@@ -1,266 +0,0 @@
-# #345 D0 — retail pseudocode pin: does `transitional_insert` slide on a too-steep OTHER-cell plane while already grounded?
-
-**Order:** implementation-session D0, per the mechanism contract
-(`docs/research/2026-08-08-345-mechanism-contract.md`) and the
-mechanism-caught finding in `docs/ISSUES.md` #345. Grep-named-first,
-pseudocode-before-port, per `CLAUDE.md`'s workflow.
-
-**Verdict up front: retail does NOT slide here either.** Followed by hand
-through four retail functions (cross-checked against an independent C#
-reference for one of them), the mechanism converges to the exact same
-"0% yield, repeat forever, `collN=(0,0,1)`, `slidingNormal=(0,0,0)`"
-fingerprint the capture shows. This is **not** a carry-forward bug — see
-"What the mechanism-session's framing got wrong" below. Per the session
-contract's explicit fallback, this STOPS here without a D1/D2/D3 fix.
-
-## The scenario being traced
-
-Player is grounded, walking on a nearly-flat (~6.8°) approach terrain
-triangle (the PRIMARY cell). The requested horizontal offset carries the
-sphere's overlap into an ADJACENT (OTHER) terrain cell whose triangle is
-too steep to be walkable: `N=(0.799,0.050,0.599)`, `N.z=0.599` just under
-`FloorZ`(≈0.664). Captured fingerprint (`345-mechanism.log:279`, mover
-`0x000F4243`, and `docs/ISSUES.md` #345's own summary): `dist=-0.34680`
-(a different capture in the same class logged `-0.268` — same mechanism,
-different exact stance), `oiContact=True`, `spStepDown=False`,
-`guardPassed=False`, `outcome=Adjusted`, **identical on every one of 6
-attempts within the stuck tick**, final resolve position byte-identical
-to input, `collN=(0,0,1)`, `slidingNormal=(0,0,0)`, carried contact =
-the flat approach terrain, `transient=0x3` (Contact|OnWalkable).
-
-## 1. `OBJECTINFO::validate_walkable` (retail 0x0050d010, pc:274479-274617)
-
-Grep-named-first target from the contract. The "below the surface"
-branch (our scenario: `dist < -EPSILON`) is:
-
-```
-zDist = dist / N.z
-walkable = is_valid_walkable(N) // N.z >= FloorZ, ours: sp.WalkableAllowance
-if (step_down != 0 || (state & ON_WALKABLE) == 0 || walkable != 0) {
- set_contact_plane(plane, cellId)
- if (step_down) { ...interpolation reject... }
- AddOffsetToCheckPos(0, 0, -zDist) // THE PUSH — pc:274604-274607
-}
-if ((state & CONTACT) == 0 && step_down == 0) {
- set_collision_normal(plane)
- collided_with_environment = 1
-}
-return ADJUSTED_TS
-```
-
-Cross-checked against `references/ACE/Source/ACE.Server/Physics/ObjectInfo.cs:142-170`
-(`ObjectInfo.ValidateWalkable`, independently-authored C# port of the
-same algorithm) — **identical structure**, same three-way OR gate before
-the push.
-
-**The push (`AddOffsetToCheckPos`) is gated behind
-`step_down || !OnWalkable || walkable`.** In our scenario: `step_down`
-is false (confirmed by the trace's `spStepDown=False`), `walkable` is
-false (0.599 < FloorZ), so the push fires **only if `OnWalkable` is
-false**. Our C# (`TransitionTypes.cs:3746-3769`) ports this gate
-verbatim: `if (sp.StepDown || !oi.OnWalkable || walkable)`.
-
-**Is `OnWalkable` true here?** Yes — confirmed by
-`PhysicsEngine.cs:2026-2047`: at the start of every resolve, when the
-body is in contact with a valid plane and not moving away from it
-(`check_contact`'s success branch, ported faithfully per the #32 commit
-history), `if (body.OnWalkable) transition.ObjectInfo.State |= OnWalkable;`.
-The player IS resting on the flat approach terrain — `body.OnWalkable`
-is true — so `oi.OnWalkable` is true for this entire resolve.
-
-**Conclusion: the push never fires. `ValidateWalkable` returns
-`ADJUSTED_TS` with ZERO state mutation** — no `SetContactPlane`, no
-`AddOffsetToCheckPos`, and (since `!oi.Contact` is false per the trace's
-`oiContact=True`) no `SetCollisionNormal` either. This is retail's own
-intentional design: a sphere already stably grounded elsewhere does not
-get shoved around by an incidental graze against a DIFFERENT, non-walkable
-patch. **There is no "adjustment" to carry forward — there never was one
-to begin with.** The mechanism-session's framing ("push-up... the
-adjustment does not carry forward between attempts") named the right
-symptom (identical `dist` every attempt) but the wrong cause (it isn't
-that a real push gets discarded; it's that the push never executes at
-all, precisely as retail specifies for a grounded-elsewhere mover).
-
-## 2. `CTransition::transitional_insert` (retail 0x0050b6f0, pc:273137-273364)
-
-```
-edi = INVALID_TS
-for (attempt = 0; attempt < numAttempts; attempt++) {
- edi = insert_into_cell(check_cell, numAttempts)
- switch (edi) {
- case OK_TS:
- edi = check_other_cells(check_cell) // overwrites edi
- if (edi != OK_TS) neg_poly_hit = 0
- if (edi == COLLIDED_TS) return COLLIDED_TS
- break // falls to "if edi==OK_TS" below
- case COLLIDED_TS:
- neg_poly_hit = 0
- return edi
- case ADJUSTED_TS:
- neg_poly_hit = 0
- break // falls straight to loop-bottom, no retry-with-state
- case SLID_TS:
- contact_plane_valid = 0; contact_plane_is_water = 0
- neg_poly_hit = 0
- break
- }
- if (edi == OK_TS) {
- ...sphere_path.collide handling (Phase 3)...
- ...neg_poly_hit dispatch (step_up / step_up_slide / slide_sphere)...
- }
- // loop-bottom: unconditional retry up to numAttempts, no early exit besides
- // the explicit returns above
-}
-return edi
-```
-
-Our C# (`TransitionTypes.cs:1991-2037` for the switch,
-`2052-2065` for the `check_other_cells` dispatch) matches this
-line-for-line: `InsertIntoCell` result dispatches through the same
-Collided-returns/Adjusted-clears-neg-poly-continues/Slid-clears-contact-
-continues shape; `OK_TS` alone proceeds to `RunCheckOtherCellsAndAdvance`
-(our name for `check_other_cells`), whose non-OK result also just
-`continue`s the outer loop with **no special-cased state restoration** —
-identical to retail's `break` that skips the big Phase-3 block and falls
-to the unconditional loop-bottom retry.
-
-**Neither retail nor our port does anything to "feed the adjusted
-CheckPos forward" on an `ADJUSTED_TS` from `check_other_cells` — both
-simply retry the WHOLE `insert_into_cell` from scratch.** Since
-`ValidateWalkable` made zero mutation (§1), retrying from scratch
-necessarily reproduces the identical primary-insert-OK,
-other-cell-Adjusted-with-identical-`dist` sequence every attempt. This
-is exactly the observed fingerprint, and it is retail-faithful.
-
-## 3. `CTransition::check_other_cells` (retail 0x0050ae50, pc:272717-272798)
-
-Iterates the sphere's overlapping OTHER cells (`find_cell_list`), calling
-each cell's virtual `find_collisions`. Its switch: `COLLIDED_TS` and
-`ADJUSTED_TS` (cases 2 and 3) **both `return result` immediately** — no
-further cells are tried, no retry loop of its own. `SLID_TS` (case 4)
-clears the contact plane fields then also returns immediately. Only
-`OK_TS` continues to the next cell. Our C# `CheckOtherCells` /
-`ApplyOtherCellResult` (`TransitionTypes.cs:2952-3030`) halts the same
-way. No divergence found here.
-
-## 4. `CTransition::validate_transition` (retail 0x0050aa70, pc:272547-272689)
-
-Called as `validate_transition(this, transitional_insert(this, 3), &out)`
-directly from `find_transitional_position` (retail 0x0050bdf0,
-pc:273743 — the ordinary per-substep walking driver, confirmed calling
-exactly `transitional_insert(this, 3)` then `validate_transition`,
-matching our `TransitionTypes.cs:1611/1621`
-`TransitionalInsert(3, engine)` → `ValidateTransition(result)` pairing
-byte-for-byte). On a non-OK, non-INVALID result (COLLIDED/ADJUSTED/SLID
-— **all three, treated identically**):
-
-```
-if (last_known_contact_plane_valid) {
- kill_velocity()
- if (radius + EPSILON > |dot(N_lkcp, curr_center) + d_lkcp|) // still within
- set_contact_plane(last_known_contact_plane) // reach of LKCP?
-}
-if (!collision_normal_valid)
- set_collision_normal(UP) // the (0,0,1) DEFAULT FILL
-set_check_pos(curr_pos, curr_cell) // DISCARD — revert to pre-step position
-result = OK_TS // FORCE OK — the whole substep nets zero
-...
-if (collision_normal_valid)
- set_sliding_normal(collision_normal) // sliding_normal = f(UP) below
-```
-
-Our C# `ValidateTransition` (`TransitionTypes.cs:6194-6226`) ports this
-exactly, including the `LastKnownContactPlaneValid` proximity gate
-(`TransitionTypes.cs:6203-6219`), the `!CollisionNormalValid` UP default
-(`6221-6222`, the literal source of the trace's `collN=(0,0,1)` —
-confirming the mechanism-session's own annotation that this normal
-"comes from the failure path's result-filling, not from
-`ValidateWalkable`'s guard"), the `SetCheckPos` revert + forced `OK_TS`
-(`6224-6225`), and the `SetSlidingNormal(CollisionNormal)` call
-(`6229-6230`).
-
-**Because the player is still resting on the flat approach terrain,
-`curr_center` is (by construction) essentially ON that plane, so the
-LKCP-proximity check always passes — the flat terrain gets restored as
-the CURRENT contact plane on every failed substep.** That is why the
-capture shows `carried contact = the flat approach terrain`, not the
-steep face — the steep face never gets registered as a contact at all
-(§1), and this LKCP restore keeps re-confirming `OnWalkable = true`
-(`ContactPlane.Normal.Z(0.993) >= FloorZ`) at the tail of `ValidateTransition`
-(`TransitionTypes.cs:6252-6255`) — which is exactly the `OnWalkable`
-seed §1 needs to keep suppressing the push on the NEXT resolve. **This
-is a self-sustaining, retail-faithful attractor**: stay resting on flat
-ground behind you → steep OTHER-cell touch is silently ignored →
-contact plane keeps re-anchoring to the flat ground → `OnWalkable` stays
-true → the steep touch keeps being silently ignored. There is no state
-transition inside this mechanism that would break the cycle.
-
-## 5. `COLLISIONINFO::set_sliding_normal` (the "#331 absorb")
-
-`TransitionTypes.cs:553-559` projects the incoming normal to XY only
-and re-normalizes:
-
-```csharp
-SlidingNormal = new Vector3(normal.X, normal.Y, 0f);
-if (SlidingNormal.LengthSquared() > EpsilonSq)
- SlidingNormal = Vector3.Normalize(SlidingNormal);
-```
-
-Fed the §4 UP default `(0,0,1)`, this produces `SlidingNormal=(0,0,0)`
-— **exactly the captured `slidingNormal=(0,0,0)`.** Per the trap
-inventory (`docs/research/2026-08-08-345-mechanism-contract.md` +
-`CLAUDE.md` "Current state"), this XY-projection is the retail-faithful
-#331 absorb and is explicitly off-limits to touch. It is not the cause
-here — it is a correct, downstream consequence of the §4 UP default,
-which is itself a correct, downstream consequence of §1's guard never
-firing.
-
-## What the mechanism-session's framing got wrong
-
-The probe (`ACDREAM_DUMP_TRANSIT_FAIL`) correctly found WHERE the
-identical-`dist` loop lives (`ValidateWalkable`'s below-branch,
-`TransitionalInsert`'s retry). It inferred WHY from the symptom's shape
-("push-up... doesn't carry forward") without visibility into `oi.OnWalkable`
-or the push guard itself — the probe's trace only carries `oiContact`/
-`spStepDown` (the *second*, `SetCollisionNormal`, guard), not the *first*
-(`AddOffsetToCheckPos`) guard's inputs. Reading the guard from source
-(`sp.StepDown || !oi.OnWalkable || walkable`, all three legs resolvable
-statically for this scenario) shows the push is **never attempted**, so
-there is nothing to "carry forward" in the first place.
-
-## Conclusion
-
-Every function in the chain — `ValidateWalkable`, `TransitionalInsert`,
-`CheckOtherCells`, `ValidateTransition`, `SetSlidingNormal` — is a
-faithful, citable port, and hand-tracing them against this exact
-scenario reproduces every byte of the captured fingerprint (`collN=(0,0,1)`,
-`slidingNormal=(0,0,0)`, identical `dist` per attempt, carried contact =
-approach terrain, byte-identical position in/out). **Retail's own
-algorithm, run by hand against this geometry, does not slide — it
-converges to the same zero-yield stop.** Per the mechanism-session
-contract's explicit fallback ("If retail turns out NOT to slide here
-either, STOP and report — the user's expectation would then be the
-divergence, a different decision"), this session stops here. No
-`ValidateWalkable`/`TransitionalInsert`/`ValidateTransition` change is
-made; #331, #32, and AD-65 are untouched, matching the trap inventory.
-
-## Open question for whoever picks this up next
-
-The one link in this chain NOT fully verified against retail is **cell
-membership**: does retail's `CObjCell::find_cell_list` (feeding
-`check_other_cells`'s cell array) actually include this neighboring
-too-steep OTHER cell from the player's exact resting position, or does
-our `CellTransit`/other-cells construction query a cell retail's
-narrower geometry test would not have reached at all? That is a
-genuinely different question from anything traced above (a broadphase/
-cell-array question, not a walkable-response question), and it is the
-one place this D0 pass had to reason from citation rather than from a
-direct retail-vs-acdream A/B. The toolchain's own guidance applies
-here: this is exactly the "what does retail actually DO at runtime"
-class of question the cdb toolchain
-(`memory/reference_retail_debugger.md`) exists for — attach to a live
-retail client at the identical Rithwic steep face and confirm whether
-retail's player is ALSO immovable at this exact stance, or whether it
-is already sliding by the time the sphere reaches this position (which
-would point at the cell-array question above, not at anything in this
-document).
diff --git a/docs/research/2026-08-08-347-fix-contract.md b/docs/research/2026-08-08-347-fix-contract.md
deleted file mode 100644
index f66ef5c0..00000000
--- a/docs/research/2026-08-08-347-fix-contract.md
+++ /dev/null
@@ -1,182 +0,0 @@
-# #347 fix contract — retail's within-tick slide continuation (full-rate glide)
-
-**Date:** 2026-08-08. **Implementer: Fable directly (user direction), dual
-Opus review, then the user's slope feel gate.** Predecessor: #345 landed at
-`ab89ebdf` (validate_walkable return scoping); this contract closes AD-70.
-
-## The defect (measured, not hypothesized)
-
-Post-#345, the glide alternates in a strict two-tick cycle (scratch trace,
-2026-08-08, 45-degree diagonal fixture):
-- arming tick: ZERO XY yield, sliding normal becomes (0.707,-0.707,0),
- transient gains Sliding;
-- moving tick: +0.115/+0.115 (the along-crease component), sliding normal
- CLEARS;
-- repeat. 14 of 30 ticks stuck; lateral rate is HALF the input's lateral
- component.
-
-Retail delivers motion EVERY tick: cdb counters (`345-retail-glide.cdb.log`)
-show edge_slide/cliff_slide 594 each over one ~15 s glide (~per 30 Hz tick),
-set_sliding_normal 538, step_up 0.
-
-## Retail's mechanism (pinned from pc this session)
-
-`CTransition::edge_slide` @0x0050b3d0 (pc:273001+), steep-contact branch
-(contact valid AND N.z < allowance @0050b3f7-0050b441):
-1. `sphere_path.walkable = null; restore_check_pos()` — back to the SAVED
- (advanced, pre-step-down) candidate;
-2. `*outState = cliff_slide(&contact_plane)` — see below;
-3. clears contact plane validity/water;
-4. **returns 0 (FALSE = do not stop)** — `transitional_insert`'s attempt
- loop CONTINUES and retries at the position cliff_slide just produced.
-
-`CTransition::cliff_slide` @0x0050a6d0 (pc:272397+):
-1. crease = cross(steepN, **last_known_contact_plane.N**) — NOT the current
- contact; horizontal-projected (Z forced 0 via *0f arithmetic in BN's
- rendering) and 90-degree-rotated: vector (-crossY, crossX, 0) = the
- horizontal PERPENDICULAR to the crease;
-2. `normalize_check_small` degenerate -> return 1 (OK_TS);
-3. proj = dot(check-minus-curr displacement + LandDefs::get_block_offset
- (curr cell vs check cell — the AD-69 seam family), perpVector);
-4. sign-dependent arm: adds `perpVector * (+-proj)` to the CHECK POSITION
- (add_offset_to_check_pos @0050a804/0050a857) — REMOVING the into-face
- perpendicular component so the check pos keeps only the along-crease
- part — and sets the collision normal (one arm negates the normal:
- 0050a813-0050a827);
-5. **returns 3 (ADJUSTED)**.
-
-Net: the SAME transitional_insert call retries at the slid position, the
-insert validates clean, step-down lands on the flat side, OK — motion
-delivered within the tick, every tick. The sliding normal is set as well,
-so next tick's AdjustOffset pre-projection ALSO applies (that projection
-producing an already-clean request is why retail still fires edge_slide
-per tick: the request keeps pressing into the face).
-
-## Our port today (`TransitionTypes.cs`)
-
-- `TransitionalInsert` (:2306-2335) already continues the loop when
- `EdgeSlideAfterStepDownFailed` returns false — the LOOP shape is ported.
-- `EdgeSlideAfterStepDownFailed` branch2 (:2534-2544) matches retail's
- steep-contact branch: restore, CliffSlide, clear, return false.
-- `CliffSlide` (:2630-2672) computes the same perpVector and even calls
- `sp.AddOffsetToCheckPos` with a sign-dependent arm and returns Adjusted.
-
-**Yet the arming tick yields zero.** So the divergence is INSIDE this
-chain, not its shape. Candidates, in test order:
-
-1. **Sign-arm inversion (BN flag-test ambiguity).** Ours adds
- `collideNormal*angle` when angle<=0 and `collideNormal*(-angle)` when
- angle>0 — BOTH are non-positive multiples. Removing the perpendicular
- component requires the CANCELLING sign in both arms: for angle>0
- subtract (ours does), for angle<0 ADD the positive multiple (ours
- subtracts more — DOUBLING the into-face component instead of
- cancelling). Retail's two arms at 0050a7d6/0050a849 vs 0050a7f6 are
- sign-mushed in BN — byte-decode 0050a7a0-0050a870 (fchs placement)
- before concluding. If ours doubles the into-face component on one arm,
- the slid retry re-collides HARDER -> retries exhaust -> zero yield ->
- exactly the alternation (next tick's pre-projection is what moves).
-2. **Retry-after-CliffSlide dies.** The Adjusted continue (:2323-2327)
- re-enters InsertIntoCell; if the slid check pos still validates against
- the steep triangle (e.g. because the offset was wrong per candidate 1,
- or because the retry re-runs the PRIMARY phase from the pre-advance
- position rather than the slid candidate), attempts exhaust. The
- transit-fail probe's buffered [transit-fail-insert] lines (19 per stuck
- tick in the scratch run) name each attempt's phase outcomes — READ THEM
- FIRST; they may settle candidates 1 and 2 in one look.
-3. **restore_check_pos ordering.** Retail restores BEFORE cliff_slide and
- cliff_slide then adds its offset to the RESTORED (advanced) candidate.
- Ours: branch2 restores then CliffSlide adds to... verify which position
- RestoreCheckPos leaves in GlobalSphere (SaveCheckPos at :2265 saved the
- ADVANCED candidate, so restore should equal retail). Confirm with the
- probe's per-attempt positions.
-
-## D1 — the minimal port
-
-Fix ONLY what the instrumentation names (expected: the CliffSlide sign
-arm(s), possibly one retry-entry position). Do NOT touch: the loop shape,
-branch1/3/4 responses, PrecipiceSlide, the #331 sliding-normal
-persistence/clearing, AdjustOffset (AD-66!), ValidateWalkable (#345 just
-landed), DoStepDown internals.
-
-## D2 — tests
-
-1. Tighten `Issue345SteepSlopeGlideTests.Angled45Approach_GlidesAlongTheDiagonal`:
- full-rate — stuckTicks small (crossing transient only, e.g. <= 3) and
- lateral advance ~= the input's lateral component times the post-crossing
- tick count (assert >= 85% of it, ordering-safe), replacing the
- alternation-tolerant `Ticks/2 + 2` bound and its comment (and drop the
- #347-residual comment).
-2. The 30/60-degree ordering pin and perpendicular stop stay green
- unchanged.
-3. AD-65/AD-66 conformance, the #331 absorb pin, RetailEdgeResponseOrdering,
- Issue265, TransitFailProbe, EdgeSlideBackProbePrecipiceSlideTests, and
- the #271 staircase guard ALL stay green untouched.
-4. Sabotage: revert the sign/continuation fix -> the tightened full-rate
- assertion reds with the alternation numbers; restore.
-
-## Acceptance
-
-Clean-room complete suite; dual Opus review (conformance byte-check of
-cliff_slide's fchs arms + blast radius over every CliffSlide caller);
-retire AD-70 in the same commit; user slope feel gate (~2 min: glide speed
-now matches retail side-by-side; downhill/uphill/hover unchanged).
-
-## PREMISE REVISION (2026-08-08, same session — before any code change)
-
-Three findings force the "retail = full-rate within-tick" premise back to
-OPEN:
-
-1. **cliff_slide's arms are conformant in all three sources.** ACE
- (`Transition.cs:242-266`), our port, and the byte decode agree on the
- crease vector, the sign arms, and the compare-vs-0.0 (double at
- 0x794610, verified zero). For the conformance fixture's geometry those
- arms move the check position INTO the face (the arming tick's probe
- trace shows primary dist -0.056 -> -0.200 -> -0.487 across the three
- attempts) — the "dig" is what the code as written does, in retail's
- bytes too.
-2. **The round-1 counters refute a per-tick retry storm in retail.**
- slidn:edge = 538:594 ~ 1:1.1. Our alternation shape produces THREE edge
- entries per sliding-normal set (the dig-retries); retail produces ~ONE.
- The glide window in the counter progression (edge 0 -> 594 across six
- 1280-vwalk blocks, then frozen) also shows edge growth stopping the
- moment the hold ended.
-3. **The user's side-by-side observation** ("I cant detect any speed
- change from retail", #345 gate, 2026-08-08) is consistent with retail
- ALTERNATING exactly as we do — arm one tick, move the next — and
- inconsistent with retail moving at double our rate.
-
-Competing hypotheses now:
-- **H-A (retail alternates too):** retail's arming tick runs ONE edge
- entry (no retry after the cliff-slide Adjusted) and yields nothing; the
- next tick's pre-projection moves. Then our ONLY divergence is the two
- extra futile dig-retries per arming tick (invisible — the tick's output
- is discarded), #347 closes as measured-identical, and AD-70 is RETIRED
- as a wrong inference, not fixed.
-- **H-B (retail yields within the tick):** the single edge entry precedes
- a successful same-tick commit. Requires the retried/continued insert to
- land clean — mechanism unknown given the dig direction — and would keep
- AD-70 open as written.
-
-**The discriminator is one number in the round-2 capture:**
-`CTransition::find_transitional_position` (~1/tick for the player) vs
-`edge_slide` during the glide window. H-A predicts ftp:edge ~ 2:1
-(edge every other tick); H-B predicts ~ 1:1 (edge every tick). The
-round-2 script (`tools/cdb/345-glide-stacks.cdb`) now counts ftp, prints
-the periodic progression, samples 6 stacks each for edge/cliff/step_down,
-and auto-detaches at 300 edge hits via the fall-through-then-top-level-qd
-recipe. NO code changes until this capture runs.
-
-## RESOLUTION (2026-08-08, round-2 capture): H-A confirmed in its strong form — CLOSED, no code change
-
-Round-2 (`345-glide-stacks.cdb.log`, auto-detached at 768 edge hits):
-glide-window steady state per 1280-vwalk block: edge +133..158, ftp
-+93..105, stepdown +351..376, cliff lockstep with edge, stepup 0. edge/ftp
-~ 1.45 with ftp INCLUDING background movers — the player's true ratio is
-~1.5, which is precisely the alternation's signature (3 arming-tick
-entries, 0 moving-tick entries, averaged). All six edge_slide stack
-samples: transitional_insert -> find_transitional_position ->
-CPhysicsObj::transition -> UpdateObjectInternal — our exact path. Retail
-performs the same dig-retries and the same alternate-tick yield. #347
-closed; AD-70 retired; the D2 "tighten to full-rate" plan is CANCELLED —
-the existing alternation-tolerant assertion is the correct retail pin.
-The H-B mechanism does not exist in the binary's behavior.
diff --git a/docs/research/2026-08-08-audio-retail-ambient-authoring.md b/docs/research/2026-08-08-audio-retail-ambient-authoring.md
deleted file mode 100644
index 7d3ef64b..00000000
--- a/docs/research/2026-08-08-audio-retail-ambient-authoring.md
+++ /dev/null
@@ -1,739 +0,0 @@
-# Retail ambient sounds — the authoring / DAT data path (Lane 3)
-
-Research-only note. Oracles, in the order the project's rules require:
-
-1. `docs/research/named-retail/acclient_2013_pseudo_c.txt` (PDB-named BN pseudo-C,
- Sept 2013 EoR build) + `acclient.h` (verbatim retail structs) + `symbols.json`.
-2. Raw byte decode of `C:\Users\erikn\Downloads\acclient.exe` (the PDB-paired
- v11.4186 binary) for every place BN elided or inverted an x87 comparison.
- Method per `claude-memory/reference_pe_byte_decode.md`.
-3. `references/DatReaderWriter/` (production dat reader) and
- `references/ACViewer/ACE/Source/ACE.DatLoader/` as the independent 2nd/3rd
- parser cross-check.
-
-Runtime tick (`Ambient::UseTime`, `Play`, `PlaySoundA`, the play queue,
-`IntermitSound::GetSoundPos`) is a sibling lane's scope. This note owns
-**where the data comes from** and stops at the point a sound instance exists.
-
----
-
-## 0. TL;DR
-
-* Ambient sound authoring lives **entirely in the region file** (`0x13xxxxxx`,
- `DB_TYPE_REGION`). There is no separate "ambient table" dat range.
-* `AmbientSTBDesc.stb_id` is a **`SoundTable` DID in `0x20000000–0x2000FFFF`**
- (`DB_TYPE_STABLE`). "STB" = Sound TaBle. `0x22` in the retail code is the
- **DBObj cache-type index**, not a dat-id prefix.
-* Outdoor selection is per-**land cell** (8×8 per landblock) off the terrain
- word: `terrainType = (w >> 2) & 0x1F`, `sceneOrdinal = w >> 11`. Two index
- hops (terrain type → scene type → STB desc) land on the STB descriptor.
-* **Indoor / EnvCell ambients do not exist as authored data.** `CEnvCell::add_ambient_sounds`
- is present in the PDB but ICF-folded onto a bare `ret` — an empty stub in the
- 2013 build. The EnvCell dat has no sound field at all.
-* Rebuild happens **once per cell change** in `CellManager::ChangePosition`, and
- only for landblocks in the **3×3 ring around the viewer block**.
-* Two BN pseudo-C readings in this area are **wrong** and byte-verified corrected
- below: the `is_continuous` derivation and `Ambient::CalcWeight`.
-
----
-
-## 1. The complete data chain
-
-```
-Region DBObj (DID 0x13000000 + regionNumber, DB_TYPE_REGION)
-│ loaded by CRegionDesc::SetRegion(regionNumber) @ 0x004FE8F0
-│ → DBObj::GetByEnum(regionNumber, type=0x0B, cache=0x1C)
-│ → stored in the global CRegionDesc::current_region (data @ 0x0084146C)
-│
-├── sound_info : CSoundDesc
-│ └── stb_desc : AmbientSTBDesc[] ← the authored ambient sound sets
-│ ├── stb_id : DID → SoundTable (0x20000000–0x2000FFFF)
-│ └── ambient_sounds : AmbientSoundDesc[]
-│ { stype, volume, base_chance, min_rate, max_rate }
-│
-├── scene_info : CSceneDesc
-│ └── scene_types : CSceneType[]
-│ ├── (u32, 0xFFFFFFFF = none) → &sound_info.stb_desc[i]
-│ └── scenes : DID[] (0x12xxxxxx Scene objects, procedural
-│ scenery — same record, different consumer)
-│
-└── terrain_info : CTerrainDesc
- └── terrain_types : CTerrainType[] (indexed by the terrain word's type)
- ├── terrain_name, terrain_color
- └── scene_types : u32[] (0xFFFFFFFF = none)
- → &scene_info.scene_types[idx]
-```
-
-Retail resolves the two index fields into **pointers at unpack time** inside
-`CRegionDesc::UnPack` (@ 0x004FF440), so at runtime `CSceneType::sound_table_desc`
-is a direct pointer into the shared `CSoundDesc::stb_desc` array. Consequence
-worth porting deliberately: **`AmbientSTBDesc` instances are shared**, so their
-`sound_table` cache and `play_count` are per-region-entry, not per-cell.
-
-Resolution code, verbatim shape (`CRegionDesc::UnPack`, scene section @ 0x004FF713):
-
-```c
-for (i = 0; i < numSceneTypes; ++i) {
- CSceneType* st = new CSceneType();
- stbIdx = read_u32(); // read by the CALLER
- st->sound_table_desc = (stbIdx != 0xFFFFFFFF)
- ? sound_info->stb_desc.m_data[stbIdx]
- : NULL;
- CSceneType::unpack(st, &buf, &len); // numScenes + scene DIDs
- CSceneDesc::Add(scene_info, st);
-}
-```
-
-and the terrain section (@ 0x004FF8AE):
-
-```c
-sceneTypeIdx = read_u32();
-terrainType->scene_types[n] = (sceneTypeIdx != 0xFFFFFFFF)
- ? scene_info->scene_types.m_data[sceneTypeIdx]
- : NULL;
-```
-
-Note the asymmetry that trips up a naive port: **`CSceneType::pack`/`unpack`
-do NOT read/write the STB index** — the enclosing `CRegionDesc` does.
-`CSceneType::pack_size` @ 0x005031C0 is `(scenes.m_num << 2) + 8`, i.e. it
-budgets 8 bytes of header (STB index + count) while `pack` itself only writes
-the count. Both DatReaderWriter and ACE.DatLoader model this correctly by
-putting `StbIndex` as the first field of `SceneType`.
-
----
-
-## 2. Struct layouts (verbatim from `acclient.h`)
-
-```c
-/* 3763 */ // sizeof = 0x1C
-struct __cppobj AmbientSTBDesc
-{
- IDClass<_tagDataID,32,0> stb_id; // +0x00 SoundTable DID
- int stb_not_found; // +0x04 negative cache
- AC1Legacy::SmartArray ambient_sounds; // +0x08 m_data, +0x0C m_size, +0x10 m_num
- CSoundTable *sound_table; // +0x14 resolved DBObj
- unsigned int play_count; // +0x18 per-rebuild
-};
-
-/* 3761 */ // sizeof = 0x18 in memory, 0x14 on disk
-struct AmbientSoundDesc
-{
- SoundType stype; // +0x00 which slot to pull from the SoundTable
- int is_continuous; // +0x04 DERIVED at unpack, NOT stored on disk
- float volume; // +0x08
- float base_chance; // +0x0C
- float min_rate; // +0x10
- float max_rate; // +0x14
-};
-
-/* 5846 */
-struct __cppobj CSoundDesc
-{
- AC1Legacy::SmartArray stb_desc;
-};
-
-/* 5830 */ // sizeof = 0x14
-struct __cppobj CSceneType
-{
- PStringBase scene_name; // +0x00
- SmartArray,1> scenes; // +0x04 m_data, +0x08 m_sizeAndDealloc, +0x0C m_num
- AmbientSTBDesc *sound_table_desc; // +0x10
-};
-
-/* 5832 */
-struct __cppobj CTerrainType
-{
- AC1Legacy::PStringBase terrain_name; // +0x00
- RGBAUnion terrain_color; // +0x04
- AC1Legacy::SmartArray scene_types; // +0x08 m_data, +0x0C m_size, +0x10 m_num
-};
-
-/* 5834 */
-struct __cppobj CTerrainDesc
-{
- LandSurf *land_surfaces;
- AC1Legacy::SmartArray terrain_types;
-};
-
-/* 5851 */
-struct __cppobj CRegionDesc : SerializeUsingPackDBObj
-{
- unsigned int region_number;
- AC1Legacy::PStringBase region_name;
- unsigned int version;
- int minimize_pal;
- unsigned int parts_mask;
- FileNameDesc *file_info;
- SkyDesc *sky_info;
- CSoundDesc *sound_info; // ← ambient sound sets live here
- CSceneDesc *scene_info;
- CTerrainDesc *terrain_info;
- CEncounterDesc *encounter_info;
- WaterDesc *water_info;
- FogDesc *fog_info;
- DistanceFogDesc *dist_fog_info;
- RegionMapDesc *region_map_info;
- RegionMisc *region_misc;
-};
-```
-
-Runtime instances (for reference; sibling lane owns their behavior):
-
-```c
-/* 3765 */
-struct __cppobj Ambient
-{
- Position player_pos; // +0x00
- float total_sound_count; // +0x24
- unsigned int num_sounds; // +0x28
- DArray sounds; // +0x2C
- AC1Legacy::PQueueArray sound_queue;
-};
-
-/* 3759 */ // sizeof = 0x18
-struct __cppobj AmbientSound
-{
- AmbientSoundVtbl *vfptr; // +0x00
- int on_queue; // +0x04
- float sound_count; // +0x08 accumulated weight this rebuild
- AmbientSTBDesc *desc; // +0x0C identity key part 1
- unsigned int ambient_sound_id; // +0x10 identity key part 2 (index into desc->ambient_sounds)
- int constant_sound; // +0x14
-};
-
-/* 5804 */ // sizeof = 0x80
-struct __cppobj IntermitSound : AmbientSound
-{
- float play_chance; // +0x18
- float min_dist[8]; // +0x1C
- float max_dist[8]; // +0x3C
- unsigned int num_dir; // +0x5C
- LandDefs::Direction sound_dir[8]; // +0x60
-};
-
-/* 5807 */ // sizeof = 0x1C
-struct __cppobj ConstantSound : AmbientSound
-{
- float current_volume; // +0x18
-};
-```
-
-`AmbientSound`'s own virtuals are all ICF-folded stubs (`AmbientSound::vftable`
-@ 0x007CB0A4 points at `IDClass::~IDClass`, `MediaDesc::GetDuration`,
-`Client::You_Must_Not_Have_Multiple_Implementations_Of_AddRef_In_A_Hierarchy`,
-etc.). The class is effectively abstract; only `IntermitSound`
-(vftable 0x007CB0C4) and `ConstantSound` (vftable 0x007CB0E4) do work.
-
----
-
-## 3. On-disk pack layouts
-
-Derived from `*::Pack` / `*::pack_size` / `*::UnPack` and confirmed field-for-field
-by DatReaderWriter and ACE.DatLoader.
-
-### `CSoundDesc` (region `SoundInfo`, present iff `PartsMask.HasSoundInfo`)
-
-| offset | type | field |
-|---|---|---|
-| 0 | u32 | numSTBDesc |
-| 4 | AmbientSTBDesc × N | — |
-
-### `AmbientSTBDesc` — `pack_size = 8 + 0x14 * numSounds` (@ 0x00551300)
-
-| offset | type | field |
-|---|---|---|
-| 0 | u32 | `stb_id` (SoundTable DID) |
-| 4 | u32 | numAmbientSounds |
-| 8 | AmbientSoundDesc × N (0x14 each) | — |
-
-### `AmbientSoundDesc` — 20 bytes on disk (@ 0x00551220 / 0x005518F0)
-
-| offset | type | field |
-|---|---|---|
-| 0 | u32 | `stype` (`SoundType`) |
-| 4 | f32 | `volume` |
-| 8 | f32 | `base_chance` |
-| 12 | f32 | `min_rate` |
-| 16 | f32 | `max_rate` |
-
-`is_continuous` is **not on disk** — it is computed during unpack (see §3.1).
-
-### `CSceneType` (region `SceneInfo` entries)
-
-| offset | type | field | written by |
-|---|---|---|---|
-| 0 | u32 | `stbIndex` (0xFFFFFFFF = none) | `CRegionDesc::Pack` |
-| 4 | u32 | numScenes | `CSceneType::pack` |
-| 8 | u32 × N | Scene DIDs (`0x12xxxxxx`) | `CSceneType::pack` |
-
-### `CTerrainType` (region `TerrainInfo` entries)
-
-| type | field |
-|---|---|
-| PStringBase\ + align(4) | `terrain_name` |
-| u32 | `terrain_color` (ARGB) |
-| u32 | numSceneTypes |
-| u32 × N | scene-type indices into `SceneInfo.SceneTypes` (0xFFFFFFFF = none) |
-
-### 3.1 CORRECTION #1 — `is_continuous` (BN pseudo-C is inverted)
-
-BN renders `AmbientSTBDesc::UnPack` @ 0x005519A9 as if `is_continuous` were
-`base_chance != 0`. Byte decode of the paired binary says the opposite:
-
-```
-005519a9 d9 43 0c fld dword [ebx+0x0C] ; base_chance
-005519ac dc 1d 10 46 79 00 fcomp qword [0x00794610] ; = 0.0 (verified)
-005519b2 df e0 fnstsw ax
-005519b4 f6 c4 44 test ah, 0x44 ; C3(equal) | C2(unordered)
-005519b7 7a 07 jp 0x005519C0 ; PF set ⇔ mask result == 0 ⇔ NOT equal
-005519b9 b8 01 00 00 00 mov eax, 1
-005519be eb 02 jmp 0x005519C2
-005519c0 33 c0 xor eax, eax
-005519c2 89 43 04 mov [ebx+0x04], eax ; is_continuous
-```
-
-**`is_continuous = (base_chance == 0.0f)`.**
-
-Corroborated by `Ambient::GetSound` @ 0x005510B0 (byte-verified at 0x00551106:
-`mov eax,[esp+0x10]; test eax,eax; je +0x3A` — the `je` goes to the 0x80-byte
-allocation):
-
-* `is_continuous == 0` → `operator new(0x80)` → **`IntermitSound`**
-* `is_continuous != 0` → `operator new(0x1C)` → **`ConstantSound`**
-
-So, authored semantics:
-
-| `base_chance` | instance | behavior |
-|---|---|---|
-| `0.0` | `ConstantSound` | continuous/looping ambience, volume-weighted |
-| non-zero | `IntermitSound` | random one-shots, chance-weighted |
-
-Getting this backwards is silent: every continuous ambience becomes an
-intermittent sound with a 0 play chance, i.e. total silence.
-
-### 3.2 Field meanings (from the two subclasses)
-
-| field | `ConstantSound` | `IntermitSound` |
-|---|---|---|
-| `stype` | SoundTable slot to play (typically `Sound_Ambient1..8` = `0x46..0x4D`) | same |
-| `volume` | `current_volume = volume / total_sound_count * sound_count` (@ 0x00551576) | `GetVolume` returns `volume` verbatim (@ 0x00551070) |
-| `base_chance` | must be 0 (that's what selects this class) | `play_chance = base_chance / total_sound_count * sound_count` (@ 0x0055133C) |
-| `min_rate` | `GetPlayInterval` returns `min_rate` — the loop re-trigger period (@ 0x005510A0) | lower bound of `Random::RollDice(min_rate, max_rate)` |
-| `max_rate` | unused | upper bound of the roll (@ 0x00551094) |
-
-`Sound_Ambient1..Sound_Ambient8 = 0x46..0x4D` (`acclient.h:4641-4648`). Nothing
-forces `stype` into that range — it is just the key looked up in the STB's
-`CSoundTable::Sounds` dictionary.
-
----
-
-## 4. Outdoor selection — `CLandBlock::add_ambient_sounds` @ 0x00530310
-
-Faithful pseudocode:
-
-```c
-void CLandBlock::add_ambient_sounds(Ambient* ambient)
-{
- Position soundPos; // identity frame, then filled per cell
- int n = this->side_cell_count; // 8
- for (int y = 0; y < n; ++y) {
- for (int x = 0; x < n; ++x) {
- // sound position = the land cell's SW terrain vertex, in landblock space
- const float* v = vertex_array.vertices
- + (side_vertex_count * y + x) * CVertexArray::vertex_size;
- soundPos.origin = { v[0], v[1], v[2] };
- soundPos.objcell_id = this->lcell[n * y + x].m_DID.id;
-
- // terrain array is 9x9 uint16, row stride 0x12 bytes
- uint16 w = *(uint16*)(this->terrain + (y * 0x12 + x * 2));
- uint32 tType = (w >> 2) & 0x1F; // terrain type (5 bits)
- uint32 sScene = w >> 11; // scene ordinal (5 bits, uint16 >> 11)
-
- if (sScene < CRegionDesc::NumSceneType(current_region, tType)) {
- AmbientSTBDesc* d = CRegionDesc::GetSTBDesc(current_region, tType, sScene);
- if (d) Ambient::AddSound(ambient, d, &soundPos);
- }
- }
- }
-}
-```
-
-The two lookups:
-
-```c
-// CTerrainDesc::NumSceneType @ 0x00502430
-uint32 NumSceneType(t) {
- return (t < terrain_types.m_num) ? terrain_types[t]->scene_types.m_num : 0;
-}
-
-// CTerrainDesc::GetSTBDesc @ 0x00502400 (field offsets confirmed against acclient.h)
-AmbientSTBDesc* GetSTBDesc(t, s) {
- if (t >= terrain_types.m_num) return NULL;
- CTerrainType* tt = terrain_types[t];
- if (s >= tt->scene_types.m_num) return NULL;
- CSceneType* st = tt->scene_types[s];
- return st ? st->sound_table_desc : NULL; // +0x10
-}
-
-// CRegionDesc::GetSTBDesc @ 0x004FEAB0 — adds lazy SoundTable resolution
-AmbientSTBDesc* GetSTBDesc(t, s) {
- AmbientSTBDesc* d = terrain_info->GetSTBDesc(t, s);
- if (!d) return NULL;
- int ok = 0;
- if (d->sound_table == NULL) ok = d->InitSoundTable();
- return (d->sound_table || ok) ? d : NULL;
-}
-
-// AmbientSTBDesc::InitSoundTable @ 0x004FEA60
-int InitSoundTable() {
- if (stb_not_found) return 0;
- if (stb_id == INVALID_DID) return 0;
- sound_table = (CSoundTable*)DBObj::Get(QualifiedDataID(stb_id, /*type*/ 0x22));
- if (sound_table) return 1;
- stb_not_found = 1; // negative cache; never retried
- return 0;
-}
-```
-
-`0x22` is the DBObj cache-type index for `CSoundTable`, proven by
-`CLOCache::CLOCache(cache, CSoundTable::Allocator, 0x22)` @ 0x004FB831. The
-same `0x22` is used for object/setup sound tables (`CPhysicsObj` /
-`SetupDesc::default_stable_id` sites @ 0x00513A36, 0x00514F9F) and by
-`MediaDesc` @ 0x004658DA — so **no separate ambient dat range exists**; ambient
-sound tables are ordinary `SoundTable` objects in `0x20000000–0x2000FFFF`.
-
-### 4.1 Which landblocks contribute — `LScape::add_ambient_sounds` @ 0x00505810
-
-```c
-void LScape::add_ambient_sounds(Ambient* ambient)
-{
- for (int by = 0; by < mid_width; ++by)
- for (int bx = 0; bx < mid_width; ++bx) {
- int ring; LandDefs::Direction dir;
- LScape::get_block_orient(this, by, bx, &ring, &dir);
- if (ring != 1) continue; // <-- the gate
- CLandBlock* lb = land_blocks[mid_width * by + bx];
- if (lb) lb->add_ambient_sounds(ambient);
- }
-}
-```
-
-`LScape::get_block_orient` @ 0x00504F90 computes
-`d = max(|bx - mid_radius|, |by - mid_radius|)` (Chebyshev distance in
-landblocks from the viewer block) and emits `ring = 1` for `d <= 1`,
-`2` for `d == 2`, `4` for `d in [3,4]`, `8` for `d > 4`.
-
-So ambient sounds are gathered from the **3×3 landblock neighbourhood centred
-on the viewer's landblock** — up to 9 × 64 = **576 `AddSound` calls** per cell
-change. Every call is distance-gated inside `AddSound`, so most contribute
-nothing (a landblock is 192 m across; the outer cut is 120 m).
-
-### 4.2 CORRECTION #2 — `Ambient::CalcWeight` @ 0x00550DD0
-
-BN drops the arithmetic entirely. Byte decode gives the exact function:
-
-```
-d9 44 24 04 fld dword [esp+4] ; d2 = ox² + oy² + oz²
-d8 1d 54f18100 fcomp dword [0x0081F154] ; ambient_sound_max_dist_sq = 14400
-df e0 / f6 c4 41 / 75 09 ; if (d2 > max) -> fld [0x00795344]=0.0; ret
-d9 44 24 04 fld dword [esp+4]
-d8 1d 4cf18100 fcomp dword [0x0081F14C] ; ambient_sound_min_dist_sq = 400
-df e0 / f6 c4 05 / 7a 09 ; if (d2 < min) -> fld [0x007928B0]=1.0; ret
-d9 05 4cf18100 fld dword [0x0081F14C] ; 400
-d8 74 24 04 fdiv dword [esp+4] ; 400 / d2
-```
-
-```c
-float Ambient::CalcWeight(const Vector3& offset)
-{
- float d2 = offset.x*offset.x + offset.y*offset.y + offset.z*offset.z;
- if (d2 > 14400.0f) return 0.0f; // beyond 120 m: silent
- if (d2 < 400.0f) return 1.0f; // within 20 m: full
- return 400.0f / d2; // inverse-square; 0.0278 at 120 m
-}
-```
-
-Verified globals (`.data`):
-
-| address | symbol | value |
-|---|---|---|
-| 0x0081F148 | `Ambient::ambient_sound_min_dist` | 20.0 m |
-| 0x0081F14C | `Ambient::ambient_sound_min_dist_sq` | 400.0 |
-| 0x0081F150 | `Ambient::ambient_sound_max_dist` | 120.0 m |
-| 0x0081F154 | `Ambient::ambient_sound_max_dist_sq` | 14400.0 |
-| 0x0081F158 | `Ambient::ambient_sound_min_vol` | 0.03 |
-
-### 4.3 `Ambient::AddSound` @ 0x00551610 (the accumulator)
-
-```c
-void Ambient::AddSound(AmbientSTBDesc* desc, const Position& soundPos)
-{
- if (!SoundManager::ambient_sounds_enabled) return;
- Vector3 off = player_pos.get_offset(soundPos); // player-frame offset
- if (off.LengthSq() >= ambient_sound_max_dist_sq) return;
- float w = CalcWeight(off);
- LandDefs::Direction dir = CalcDir(off);
- if (w <= 0) return;
- total_sound_count += w; // ONCE per cell
- for (uint i = 0; i < desc->ambient_sounds.m_num; ++i)
- GetSound(desc, i)->AddTo(w, off, dir); // per authored sound
-}
-```
-
-Faithfulness note for the port: `total_sound_count` is bumped **once per
-contributing land cell**, while each of the STB's N `AmbientSoundDesc` entries
-gets `w` added to its own `sound_count`. For an STB with N > 1, the sum of
-`sound_count` is therefore N × `total_sound_count`, so the "share of total"
-normalisation used by `ConstantSound::UpdateSound`
-(`volume / total_sound_count * sound_count`) can legitimately exceed
-`volume`. Reproduce it; don't "fix" it.
-
-`Ambient::GetSound` @ 0x005510B0 keys the instance cache on the pair
-`(desc pointer, ambient_sound_id)` and **never evicts** — instances accumulate
-for the life of the `Ambient`. That is what makes it correct to only
-`ResetCount()` on rebuild.
-
----
-
-## 5. Indoor / EnvCell: the hook exists, the data does not
-
-`symbols.json` has:
-
-```json
-{"address": "0x00694750", "name": "CEnvCell::add_ambient_sounds",
- "mangled": "?add_ambient_sounds@CEnvCell@@SAXPAVAmbient@@@Z"}
-```
-
-`SAX` = **static**, void, one `Ambient*` argument. Address `0x00694750` is
-shared with `IDClass<_tagDataID,32,0>::~IDClass` and `AmbientSound::ResetCount`,
-and the pseudo-C for that address is:
-
-```c
-00694750 void IDClass<_tagDataID,32,0>::~IDClass(...) __pure
-00694750 { return; }
-```
-
-That is COMDAT identical-code folding onto a bare `ret`. The call site in
-`CellManager::ChangePosition` @ 0x00455B0A is rendered by BN as
-`IDClass<...>::~IDClass(ambient_sounds)` — passing an `Ambient*` to a DID
-destructor, which is the tell that it is really the folded
-`CEnvCell::add_ambient_sounds(ambient)`.
-
-**Conclusion: in the Sept 2013 EoR client, indoor cells contribute zero
-ambient sounds through this path.** Independently corroborated by the dat
-format — `EnvCell` (DatReaderWriter `DBObjs/EnvCell.generated.cs`) has exactly:
-`Flags`, `Surfaces`, `EnvironmentId`, `CellStructure`, `Position`,
-`CellPortals`, `VisibleCells`, `StaticObjects`, `RestrictionObj`. No sound
-field, no sound table, no ambient list. `LandDefs` likewise has no sound field.
-
-Where dungeon ambience actually comes from in retail (out of this lane's scope,
-but the obvious next question): server-spawned objects carrying a
-`SoundTableId` / physics-script sound, i.e. the `0x22` consumers at
-0x00513A36 / 0x00514F9F — object sound tables, not the `Ambient` system.
-Also note `LScape::add_ambient_sounds` is skipped entirely while indoors unless
-the current cell has `seen_outside != 0` (see §6), so an interior cell that
-can see outdoors still hears the outdoor set.
-
----
-
-## 6. Lifecycle — `CellManager::ChangePosition` @ 0x004559B0
-
-Everything ambient-related is inside the **cell-changed** branch. There is no
-per-frame ambient rebuild.
-
-```c
-void CellManager::ChangePosition(const Position* newPos, int forceReload)
-{
- if (newPos->objcell_id == 0) { Reset(); return; }
-
- int reload = blocking_for_cells ? 1 : forceReload;
-
- if (load_pos.objcell_id != newPos->objcell_id || curr_cell == NULL)
- {
- PreFetchCells(newPos->objcell_id, reload);
- ... release old curr_cell, update LScape loadpoint, grab_visible_cells ...
- CEnvCell::master_incell_timestamp += 1;
- CEnvCell::flush_cells();
-
- if (curr_cell != NULL)
- {
- bool outdoorish = isOutdoorCell(newPos) || curr_cell->seen_outside;
-
- if (outdoorish) { ...sunlight / SetWorldAmbientLight from LScape... }
- else { SmartBox::SetWorldAmbientLight(0.2f, 0xFFFFFFFF); }
-
- Ambient::InitSounds(ambient_sounds, newPos); // 1
- CEnvCell::add_ambient_sounds(ambient_sounds); // 2 (empty stub)
- if (outdoorish)
- LScape::add_ambient_sounds(lscape, ambient_sounds); // 3
- Ambient::UpdatePlayQueue(ambient_sounds); // 4
- Ambient::ReleaseSoundTables(ambient_sounds); // 5
- }
- }
- load_pos = *newPos;
-}
-```
-
-**(1) `Ambient::InitSounds` @ 0x005515D0** — the rebuild barrier:
-
-```c
-void Ambient::InitSounds(const Position* p)
-{
- player_pos = *p;
- total_sound_count = 0.0f;
- for (i = 0; i < num_sounds; ++i) sounds[i]->ResetCount();
-}
-```
-
-`IntermitSound::ResetCount` @ 0x00550CD0 / `ConstantSound::ResetCount` @
-0x00550D70 zero `sound_count` (and `desc->play_count`). Instances are **not**
-destroyed — a sound that no longer has any nearby cell simply drops to
-`sound_count == 0` and goes silent (`ConstantSound::UpdateSound` sets
-`current_volume = 0`).
-
-**(5) `Ambient::ReleaseSoundTables` @ 0x00455770** — the streaming release:
-
-```c
-for (i = 0; i < num_sounds; ++i) {
- AmbientSTBDesc* d = sounds[i]->desc;
- if (d->sound_table && d->play_count == 0) { // nothing will play from it
- d->sound_table->Release();
- d->sound_table = NULL; // re-fetched lazily next time
- }
-}
-```
-
-`play_count` is bumped in `IntermitSound::UpdateSound` / `ConstantSound::UpdateSound`
-during step (4), so step (5) drops the `CSoundTable` DBObj reference for every
-STB whose sounds ended up inaudible at the new position.
-
-**Teardown — `CellManager::Reset` @ 0x00455930** calls
-`Ambient::FlushSoundTables` @ 0x00452920, which is `ReleaseSoundTables` plus
-a `ResetCount()` on every sound and `total_sound_count = 0`.
-`Ambient::Destroy` @ 0x00551580 / `~Ambient` @ 0x00551760 delete the
-`AmbientSound` instances (after re-stamping the base vftable — the usual
-C++ dtor-devirtualisation artifact).
-
-Per-frame ticking is `SmartBox` → `Ambient::UseTime` @ 0x00551880 (sibling lane).
-
-Both `AddSound` and `UpdatePlayQueue` are gated on
-`SoundManager::ambient_sounds_enabled`, so the user's audio option short-circuits
-the whole gather.
-
----
-
-## 7. DatReaderWriter coverage (what we get for free)
-
-| retail type | DRW class | file | status |
-|---|---|---|---|
-| `CRegionDesc` | `DBObjs.Region` (0x13000000–0x1300FFFF, `HasId`) | `Generated/DBObjs/Region.generated.cs` | **Complete for our needs.** Parses `RegionNumber`, `Version`, `RegionName`, `LandDefs`, `GameTime`, `PartsMask`, then masked `SkyInfo` / `SoundInfo` / `SceneInfo`, unconditional `TerrainInfo`, masked `RegionMisc`. |
-| `CSoundDesc` | `Types.SoundDesc` → `List STBDesc` | `Generated/Types/SoundDesc.generated.cs` | **Exact match** to retail pack (`u32 count` + N entries). |
-| `AmbientSTBDesc` | `Types.AmbientSTBDesc` → `uint STBId`, `List` | `Generated/Types/AmbientSTBDesc.generated.cs` | **Exact match.** |
-| `AmbientSoundDesc` | `Types.AmbientSoundDesc` → `Sound SType`, `float Volume/BaseChance/MinRate/MaxRate` | `Generated/Types/AmbientSoundDesc.generated.cs` | **Exact match** to the 20-byte on-disk record. Correctly omits `is_continuous`. |
-| `CSceneDesc` | `Types.SceneDesc` → `List` | `Generated/Types/SceneDesc.generated.cs` | **Exact match.** |
-| `CSceneType` | `Types.SceneType` → `uint StbIndex`, `List> Scenes` | `Generated/Types/SceneType.generated.cs` | **Exact match**, including the caller-written `StbIndex` first. Independently confirmed by `ACE.DatLoader/Entity/SceneType.cs`. |
-| `CTerrainDesc` | `Types.TerrainDesc` → `List`, `LandSurf` | `Generated/Types/TerrainDesc.generated.cs` | **Exact match.** |
-| `CTerrainType` | `Types.TerrainType` → `TerrainName`, `ColorARGB TerrainColor`, `List SceneTypes` | `Generated/Types/TerrainType.generated.cs` | **Exact match** (indices, not resolved pointers). |
-| `CSoundTable` | `DBObjs.SoundTable` (0x20000000–0x2000FFFF, `HasId`) → `HashKey`, `Dictionary Hashes`, `Dictionary Sounds` | `Generated/DBObjs/SoundTable.generated.cs` | **Complete.** `Sounds[stype].Entries` is the wave list. |
-| `SoundType` | `Enums.Sound` (incl. `Ambient1..8`) | `Generated/Enums/Sound.generated.cs` | Present. |
-
-**Gaps we must write ourselves** (none of them are parsers):
-
-1. **`is_continuous` derivation.** DRW deliberately stores only the on-disk
- fields. We compute `IsContinuous => BaseChance == 0f` at load. §3.1.
-2. **Index → object resolution.** DRW hands back raw `StbIndex` and
- `TerrainType.SceneTypes` indices with `0xFFFFFFFF` sentinels. Retail resolves
- them once at unpack; we need the equivalent resolve step (or resolve on
- lookup, which is what `GetSTBDesc` does anyway) and must honour
- `0xFFFFFFFF == none`.
-3. **The whole `Ambient` runtime**: `AmbientSTBDesc` shared state
- (`sound_table` cache, `stb_not_found` negative cache, `play_count`), the
- `(desc, index)`-keyed instance cache, `IntermitSound`/`ConstantSound`,
- `CalcWeight`/`CalcDir`, the play queue, the release policy. No reference
- repo has any of this — ACE is a server and does not model client ambience;
- ACViewer has no ambient sound handling (`grep -ri ambient` over
- `references/ACViewer/` returns only render-pass / ambient-light hits).
-4. **`CLandBlock`/`LScape` gather** — the terrain-word decode, the 8×8 land-cell
- walk with the 9-wide row stride, the `ring == 1` 3×3 landblock gate, and the
- `CellManager::ChangePosition` trigger point. All ours.
-5. **`Random::RollDice(min_rate, max_rate)`** for the intermittent interval.
- Verify our RNG matches retail's `RollDice` semantics before wiring
- `min_rate`/`max_rate`.
-
----
-
-## 8. Answers to the posed questions
-
-1. **Complete chain.** `Region` DBObj `0x13000000+regionNumber` →
- `SoundInfo (CSoundDesc)` → `AmbientSTBDesc[]`; each descriptor's `stb_id` is
- a `SoundTable` DID in `0x20000000–0x2000FFFF`, fetched via
- `DBObj::Get(QualifiedDataID(id, cacheType=0x22))`; each descriptor carries N
- `AmbientSoundDesc { stype, volume, base_chance, min_rate, max_rate }`, and
- `base_chance == 0` selects `ConstantSound` while non-zero selects
- `IntermitSound`. Selection is reached indirectly:
- `TerrainInfo.TerrainTypes[t].SceneTypes[s]` → `SceneInfo.SceneTypes[idx]`
- → `.StbIndex` → `SoundInfo.STBDesc[stbIdx]`.
-
-2. **Outdoor selection.** Per land cell, from the landblock's 9×9 `uint16`
- terrain array: `terrainType = (w >> 2) & 0x1F`, `sceneOrdinal = w >> 11`;
- bounds-checked against `NumSceneType(terrainType)`; resolved by
- `CRegionDesc::GetSTBDesc(terrainType, sceneOrdinal)`. Not region-wide, not
- per-landblock — **per land cell**, and the sound's position is that cell's
- SW terrain vertex with the land cell's own `objcell_id`.
-
-3. **Indoor.** Nowhere. `CEnvCell::add_ambient_sounds` is an ICF-folded empty
- stub, and the EnvCell dat record has no sound field. Interiors flagged
- `seen_outside` still get the outdoor set.
-
-4. **Lifecycle.** Built in `CellManager::ChangePosition` only when
- `load_pos.objcell_id != newPos.objcell_id || curr_cell == NULL`, in the exact
- order `InitSounds` → `CEnvCell::add_ambient_sounds` (no-op) →
- `LScape::add_ambient_sounds` (if outdoor-ish) → `UpdatePlayQueue` →
- `ReleaseSoundTables`. Teardown is `CellManager::Reset` →
- `Ambient::FlushSoundTables`; final destruction is `Ambient::Destroy`.
-
-5. **DRW coverage.** Every on-disk structure in the chain is already parsed
- exactly (Region / SoundDesc / AmbientSTBDesc / AmbientSoundDesc / SceneDesc /
- SceneType / TerrainDesc / TerrainType / SoundTable / Sound enum). What we
- write is the derived flag, index resolution, and the entire runtime gather +
- instance model. See §7.
-
----
-
-## 9. Divergence-register candidates (if/when this is implemented)
-
-* If we ever gather ambients from more than the 3×3 landblock ring, that is a
- deviation — retail's gate is `get_block_orient(...) == 1`.
-* If we implement indoor ambience from any authored source, that is a **new
- feature**, not a port — retail has none. Register it.
-* The multi-entry-STB `total_sound_count` asymmetry in §4.3 is retail behavior;
- "normalising" it is a deviation.
-
-## 10. Retail anchors (for code comments)
-
-| symbol | address |
-|---|---|
-| `CRegionDesc::SetRegion` | 0x004FE8F0 |
-| `CRegionDesc::UnPack` (index→pointer resolution) | 0x004FF440 |
-| `CRegionDesc::NumSceneType` | 0x004FE960 |
-| `CRegionDesc::GetSTBDesc` | 0x004FEAB0 |
-| `CTerrainDesc::GetSTBDesc` | 0x00502400 |
-| `CTerrainDesc::NumSceneType` | 0x00502430 |
-| `AmbientSTBDesc::InitSoundTable` | 0x004FEA60 |
-| `AmbientSTBDesc::UnPack` | 0x005518F0 |
-| `AmbientSTBDesc::Pack` / `pack_size` | 0x00551220 / 0x00551300 |
-| `CSoundDesc::UnPack` | 0x005028D0 |
-| `CSceneType::unpack` / `pack_size` | 0x005032C0 / 0x005031C0 |
-| `CLandBlock::add_ambient_sounds` | 0x00530310 |
-| `LScape::add_ambient_sounds` | 0x00505810 |
-| `LScape::get_block_orient` | 0x00504F90 |
-| `CEnvCell::add_ambient_sounds` (folded no-op) | 0x00694750 |
-| `CellManager::ChangePosition` | 0x004559B0 |
-| `CellManager::Reset` | 0x00455930 |
-| `Ambient::InitSounds` | 0x005515D0 |
-| `Ambient::AddSound` | 0x00551610 |
-| `Ambient::GetSound` | 0x005510B0 |
-| `Ambient::CalcWeight` / `CalcDir` | 0x00550DD0 / 0x00550E40 |
-| `Ambient::ReleaseSoundTables` / `FlushSoundTables` | 0x00455770 / 0x00452920 |
-| `IntermitSound::UpdateSound` / `GetPlayInterval` | 0x00551310 / 0x00551080 |
-| `ConstantSound::UpdateSound` / `GetPlayInterval` | 0x00551540 / 0x005510A0 |
diff --git a/docs/research/2026-08-08-audio-retail-ambient-runtime.md b/docs/research/2026-08-08-audio-retail-ambient-runtime.md
deleted file mode 100644
index b5ddc7a0..00000000
--- a/docs/research/2026-08-08-audio-retail-ambient-runtime.md
+++ /dev/null
@@ -1,1119 +0,0 @@
-# Lane 2 — Retail ambient-sound runtime family, fully decoded
-
-Research-only note. Sources: `docs/research/named-retail/acclient_2013_pseudo_c.txt`
-(Binary Ninja pseudo-C, PDB-named), `docs/research/named-retail/acclient.h`
-(verbatim retail structs), plus **live byte-level disassembly** of the
-PDB-paired binary `C:\Users\erikn\Downloads\acclient.exe` (v11.4186,
-CodeView GUID `9e847e2f-777c-4bd9-886c-22256bb87f32`) with capstone, used to
-resolve every FPU-elided constant and every `test ah, 0x41 / 0x44 / 0x05`
-comparison the BN decomp renders as an unimplemented `bool p`. **Every
-comparison direction and every float in this document is byte-verified, not
-inferred.** That matters: BN's rendering of these compares is ambiguous in
-both directions, and three of them (`is_continuous`, `CanHear`, `PlayNow`)
-would have been ported backwards from the pseudo-C alone.
-
----
-
-## 0. Executive summary — what retail's ambient system actually is
-
-Retail's ambient system is **not** a set of looping voices attached to a
-landblock. It is a *weighted accumulation + timer queue*:
-
-1. On **every objcell change** (outdoors: every 24 m land-cell crossing;
- `CellManager::ChangePosition`), the client rebuilds the ambient weighting
- from scratch.
-2. It walks the **3×3 landblock neighbourhood** around the viewer (LOD ring
- ≤ 1), and for **each of the 64 land cells** in each of those 9 landblocks
- reads that cell's terrain word → `(terrainType, sceneIndex)` → the
- region's `SceneType.SoundTableDesc` (an `AmbientSTBDesc`).
-3. Each hit contributes an inverse-square **weight** (1.0 inside 20 m,
- `(20/d)²` out to 120 m, 0 beyond) and a **compass direction** to every
- `AmbientSound` object in that STB desc.
-4. Volume (constant sounds) and trigger probability (intermittent sounds)
- are then that sound's accumulated weight **divided by the total weight
- of all ambients** — i.e. a genuine crossfade by terrain share.
-5. Playback is driven by a **min-heap of absolute deadlines** (`double`
- seconds, `Timer::cur_time`), popped once per frame from
- `SmartBox::UseTime` → `Ambient::UseTime`. Each pop plays a **one-shot**
- and re-inserts itself at `cur_time + GetPlayInterval()`.
-6. **There are no looping OpenAL-style voices anywhere.** A "continuous"
- ambient is a one-shot re-fired every `min_rate` seconds, played
- *non-positionally* (from the listener's centre), at a crossfaded volume.
- An "intermittent" ambient is a one-shot played *positionally* at a random
- compass bearing and distance, at its full authored volume, gated by a
- probability roll.
-7. **Indoors is silent.** `Ambient::AddSound` has exactly **one** caller in
- the whole binary: `CLandBlock::add_ambient_sounds`. There is no EnvCell /
- dungeon ambient contributor. In `CellManager::ChangePosition` the
- `LScape::add_ambient_sounds` call is gated on the "outdoors or
- seen_outside" flag; when it is false nothing is added, every weight is 0,
- and every ambient goes inaudible.
-8. **No day/night, no time-of-day, no weather gating.** The selection input
- is the baked terrain/scene map only. `GameTime`, `SkyDesc`, and `DayGroup`
- never touch the ambient path.
-
----
-
-## 1. Struct layouts (verbatim retail + byte offsets)
-
-Offsets verified against `operator new` sizes and the AddDir/UpdateSound
-disassembly.
-
-```c
-struct AmbientSound // base, 0x18 bytes
-{
- AmbientSoundVtbl *vfptr; // +0x00
- int on_queue; // +0x04 1 = has a pending deadline in the heap
- float sound_count; // +0x08 accumulated weight this rebuild
- AmbientSTBDesc *desc; // +0x0C
- unsigned int ambient_sound_id; // +0x10 index into desc->ambient_sounds
- int constant_sound; // +0x14 (written 0 at construction; never read)
-};
-
-struct __cppobj IntermitSound : AmbientSound // 0x80 bytes (operator new(0x80))
-{
- float play_chance; // +0x18
- float min_dist[8]; // +0x1C .. +0x3B
- float max_dist[8]; // +0x3C .. +0x5B
- unsigned int num_dir; // +0x5C
- LandDefs::Direction sound_dir[8]; // +0x60 .. +0x7F
-};
-
-struct __cppobj ConstantSound : AmbientSound // 0x1C bytes (operator new(0x1c))
-{
- float current_volume; // +0x18
-};
-
-struct AmbientSoundVtbl // vtable slot offsets
-{
- void (*ResetCount) (AmbientSound*); // +0x00
- float (*GetVolume) (AmbientSound*); // +0x04
- int (*CanHear) (AmbientSound*); // +0x08
- int (*PlayNow) (AmbientSound*); // +0x0C
- float (*GetPlayInterval) (AmbientSound*); // +0x10
- void (*AddTo) (AmbientSound*, float, Vector3*, LandDefs::Direction); // +0x14
- void (*UpdateSound) (AmbientSound*, float); // +0x18
- int (*GetSoundPos) (AmbientSound*, Position*); // +0x1C
-};
-
-struct AmbientSTBDesc // 0x1C bytes (memset(this,0,0x1C))
-{
- IDClass stb_id; // +0x00 SoundTable DID
- int stb_not_found; // +0x04 negative cache
- SmartArray ambient_sounds; // +0x08 m_data, +0x0C m_size, +0x10 m_num
- CSoundTable *sound_table; // +0x14 lazily loaded DBObj
- unsigned int play_count; // +0x18 # audible hits since last reset
-};
-
-struct AmbientSoundDesc // 0x18 allocated; 0x14 packed on disk
-{
- SoundType stype; // +0x00
- int is_continuous; // +0x04 DERIVED at unpack, not stored
- float volume; // +0x08
- float base_chance; // +0x0C
- float min_rate; // +0x10
- float max_rate; // +0x14
-};
-
-struct Ambient // owned by CellManager / SmartBox
-{
- Position player_pos; // +0x00 (Position is 0x48 bytes, origin at +0x3C)
- float total_sound_count; // +0x48
- unsigned int num_sounds; // +0x4C
- DArray sounds; // +0x50 data, blocksize 8, initial sizeOf 8
- PQueueArray sound_queue; // min-heap of absolute play deadlines
-};
-```
-
-### On-disk `AmbientSTBDesc` (`AmbientSTBDesc::UnPack`, `0x5518f0`)
-
-```
-uint32 stb_id
-uint32 count
-count × {
- uint32 stype
- float volume
- float base_chance
- float min_rate
- float max_rate
-}
-```
-`pack_size = count*0x14 + 8`. **`is_continuous` is computed, not read:**
-
-```
-0x5519a9 fld dword [ebx+0xC] ; base_chance
-0x5519ac fcomp qword [0x794610] ; = 0.0 (byte-verified)
-0x5519b4 test ah, 0x44 ; C3|C2 → the x87 "equal" test
-0x5519b7 jp .zero
-0x5519b9 mov eax, 1
-...
-0x5519c2 mov dword [ebx+4], eax ; is_continuous
-```
-→ **`is_continuous = (base_chance == 0.0f)`**. Matches ACE's
-`AmbientSoundDesc.IsContinuous => BaseChance == 0`. Confirmed independently.
-
----
-
-## 2. Constants (all byte-read from the binary)
-
-| Symbol / address | Value | Units / meaning |
-|---|---|---|
-| `Ambient::ambient_sound_min_dist` `0x81f148` | **20.0** | m — full-weight radius |
-| `Ambient::ambient_sound_min_dist_sq` `0x81f14c` | **400.0** | m² |
-| `Ambient::ambient_sound_max_dist` `0x81f150` | **120.0** | m — cull radius |
-| `Ambient::ambient_sound_max_dist_sq` `0x81f154` | **14400.0** | m² |
-| `Ambient::ambient_sound_min_vol` `0x81f158` | **0.03** | linear (≈ −30.5 dB) audibility floor for ConstantSound |
-| `SoundManager::ambient_sounds_enabled` `0x81f06c` | 1 | user pref `Sound_AmbientSoundDisabled` |
-| `SoundManager::ambient_sound_volume` `0x81f070` | 1.0 | user pref `Sound_AmbientSoundVolume` |
-| heading spread `0x81f1b0` | **0.392699093** rad | π/8 = 22.5° total cone (±11.25°) |
-| `F_EPSILON` `0x7cb0a0` | 0.0002 | axis-degeneracy epsilon in `CalcDir` |
-| in-viewer-block threshold | `min_dist_sq * 0.5` = **200.0** m² | ⇒ **14.142 m** |
-| own-block near/far | **4.0 m / 10.0 m** | `5.0f − 1.0f` and `min_dist*0.5` |
-| diagonal ratio gate `0x7c5e24` | **2.0** | \|y\|/\|x\| ≤ 2 **and** \|x\|/\|y\| ≤ 2 ⇒ diagonal |
-| `VOL_MIN_DIST` `0x7caeac` | 5.0 | m — attenuation knee |
-| `VOL_MIN_DIST_SQ` `0x86f404` | 25.0 | m² (runtime-initialised `5f*5f`) |
-| `LandDefs::square_length` `0x799128` | 24.0 | m per land cell |
-| rand normaliser `0x7caf50` | 3.0518509e-05 | = 1/32768 (MSVC `rand()` range) |
-
-`LandDefs::heading(Direction)` — jump table at `0x5a9a7c`, radians:
-
-| Direction | value | heading |
-|---|---|---|
-| `IN_VIEWER_BLOCK` 0 (and out of range) | 0.0 | — |
-| `NORTH_OF_VIEWER` 1 | 0.0 | 0° |
-| `SOUTH_OF_VIEWER` 2 | 3.14159274 | 180° |
-| `EAST_OF_VIEWER` 3 | 1.57079637 | 90° |
-| `WEST_OF_VIEWER` 4 | 4.71238899 | 270° |
-| `NORTHWEST_OF_VIEWER` 5 | 5.49778700 | 315° |
-| `SOUTHWEST_OF_VIEWER` 6 | 3.92699075 | 225° |
-| `NORTHEAST_OF_VIEWER` 7 | 0.78539819 | 45° |
-| `SOUTHEAST_OF_VIEWER` 8 | 2.35619450 | 135° |
-
----
-
-## 3. Q1 — ConstantSound vs IntermitSound
-
-| | **ConstantSound** (`base_chance == 0`) | **IntermitSound** (`base_chance != 0`) |
-|---|---|---|
-| Volume | **crossfaded**: `volume × sound_count / total` | **fixed** at authored `volume` |
-| Trigger probability | none — `PlayNow` is a folded `mov eax,1; ret` → **always** | `RollDice(0,1) ≤ play_chance` |
-| `play_chance` | n/a | `base_chance × sound_count / total` |
-| Re-fire interval | **fixed** `min_rate` s | `RollDice(min_rate, max_rate)` s |
-| Position | **none** — base `GetSoundPos` is `xor eax,eax; ret 4` → returns 0 ⇒ `PlayAmbientSoundFromCenter` (non-positional) | random compass bearing + distance ⇒ `PlayAmbientSound` (3D) |
-| Audibility | `current_volume ≥ 0.03` **and** `desc->sound_table != null` | `play_chance > 0` |
-| Direction tracking | none (`AddTo` only accumulates weight) | accumulates up to 8 `(dir, min_dist, max_dist)` slots |
-| Looping? | **NO.** Re-fired one-shot every `min_rate` s. | one-shot |
-
-### `ConstantSound::UpdateSound` (`0x551540`) — verbatim
-
-```
-0x551540 fld [ecx+8] ; sound_count
-0x551543 fcomp [0x795344] ; = 0.0
-0x55154b test ah, 0x44 ; equal test
-0x55154e jp .compute
- current_volume = 0.0f; return; // sound_count == 0
-.compute:
- desc->play_count++;
- current_volume = desc->ambient_sounds[id]->volume // [eax+8]
- / total_sound_count // [esp+4] = arg
- * sound_count; // [ecx+8]
-```
-
-```csharp
-void UpdateSound(float total) // ConstantSound
-{
- if (sound_count == 0f) { current_volume = 0f; return; }
- desc.play_count++;
- current_volume = desc.ambient_sounds[id].volume / total * sound_count;
-}
-```
-
-### `IntermitSound::UpdateSound` (`0x551310`) — verbatim
-
-```
-0x551310 fld [ecx+8] ; sound_count
-0x551313 fcomp [0x795344] ; = 0.0
-0x55131b test ah, 0x41 ; below|equal
-0x55131e jne .skip ; sound_count <= 0 → leave play_chance alone
- desc->play_count++;
- play_chance = desc->ambient_sounds[id]->base_chance // [eax+0xC]
- / total_sound_count
- * sound_count;
-.skip:
-```
-
-```csharp
-void UpdateSound(float total) // IntermitSound
-{
- if (sound_count <= 0f) return; // NOTE: does NOT zero play_chance
- desc.play_count++;
- play_chance = desc.ambient_sounds[id].base_chance / total * sound_count;
-}
-```
-
-**Gotcha:** the intermittent path never clears `play_chance`. The only
-zeroing is `IntermitSound::ResetCount`, which `Ambient::InitSounds` calls on
-*every* rebuild before the accumulation pass. Get that ordering wrong and a
-stale bearing/chance survives a cell change.
-
-```csharp
-void ResetCount() // IntermitSound (0x550cd0)
-{ desc.play_count = 0; sound_count = 0f; num_dir = 0; play_chance = 0f; }
-
-void ResetCount() // ConstantSound (0x550d70)
-{ desc.play_count = 0; sound_count = 0f; } // NOTE: current_volume NOT reset
-```
-
----
-
-## 4. Q2 — `CanHear`: the audibility test
-
-Both are **pure state tests** — no distance test, no cell/indoor test, no
-time-of-day test. Distance and indoor-ness enter earlier, through the weight
-accumulation (`Ambient::AddSound` culls at 120 m; indoors nothing is added
-at all, so all weights are 0).
-
-```
-IntermitSound::CanHear 0x550f80
- fld [ecx+0x18] ; play_chance
- fcomp [0x795344] ; 0.0
- test ah, 0x41 ; below|equal
- jne → return 0
- return 1
-⇒ return play_chance > 0.0f;
-
-ConstantSound::CanHear 0x550fd0
- call vtable[+4] ; GetVolume() = current_volume
- fcomp [0x81f158] ; ambient_sound_min_vol = 0.03
- test ah, 5 ; below
- jp → .check ; (NOT below → continue)
- return 0 ; (below → inaudible)
-.check:
- return desc->sound_table != nullptr;
-⇒ return current_volume >= 0.03f && desc.sound_table != null;
-```
-
-The 0.03 floor is the only "silence" threshold in the system: a constant
-ambient whose terrain share drops below 3% of the total stops being
-scheduled entirely. In dB that is ceil(20·log₁₀(0.03)) = **−30 dB**.
-
-`AmbientSound` base defaults (COMDAT-folded stubs, all byte-verified):
-
-| slot | folded symbol | actual code | effect |
-|---|---|---|---|
-| `ResetCount` | `IDClass::~IDClass` `0x694750` | `ret` | no-op |
-| `GetVolume` | `MediaDesc::GetDuration` `0x69ce00` | `fld [0.0]; ret` | 0.0f |
-| `CanHear` | `Client::You_Must_Not_…` `0x508960` | `xor eax,eax; ret` | 0 |
-| `PlayNow` | (ConstantSound slot `0x7cb0f0`) `FileNodeName_UInt32::GetType` `0x5269f0` | `mov eax,1; ret` | **1 — always play** |
-| `GetPlayInterval` | `MediaDesc::GetDuration` | `fld [0.0]; ret` | 0.0f |
-| `AddTo` / `UpdateSound` | folded | `ret` | no-op |
-| `GetSoundPos` | `DBOCache::GetCollection` `0x4f0ea0` | `xor eax,eax; ret 4` | **0 — "no position"** |
-
-The two that matter are `ConstantSound`'s inherited `PlayNow` (always true)
-and inherited `GetSoundPos` (returns 0 ⇒ non-positional). Do not read the
-BN vtable dump's symbol names as semantics — they are unrelated functions
-that happened to fold to the same bytes.
-
----
-
-## 5. Q3 — `GetVolume`: how ambient volume is computed
-
-```csharp
-float ConstantSound.GetVolume() => current_volume; // 0x550d80
-float IntermitSound.GetVolume() => desc.ambient_sounds[id].volume; // 0x551070, fld [eax+8]
-```
-
-That is the *only* ambient-specific volume. The full chain to the mixer:
-
-```
-ConstantSound:
- v0 = authoredVolume * (sound_count / total_sound_count) // crossfade
- v1 = v0 * ambient_sound_volume // PlayAmbientSoundFromCenter (0x5508cf)
- v2 = GetAttenuation(dist = 0, v1, out mB, isAmbient = 1)
- → no distance falloff (dist < 5 m knee)
- → clamp v ≤ 1.0
- → v *= ambient_sound_volume ← *** APPLIED A SECOND TIME ***
- → mB = (int)ceil(20*log10(v)); reject if < VOL_MIN
- PlaySoundInternal(buf, null, mB) // no 3D pan
-
-IntermitSound:
- v0 = authoredVolume // NOT crossfaded
- v1 = v0 * ambient_sound_volume // PlayAmbientSound (0x55083b)
- PlaySoundInternal(buf, pos, v1, isAmbient = 1)
- → heading/pan from Position::heading vs listener heading
- → dist = Position::distance(pos, listener)
- → GetAttenuation(dist, v1, out mB, 1)
- if (dist > 5.0f) v = v1 * 25.0f/(dist*dist); else v = v1
- clamp v ≤ 1.0
- v *= ambient_sound_volume ← *** SECOND TIME AGAIN ***
- mB = (int)ceil(20*log10(v))
-```
-
-**Divergence-register-worthy retail quirk:** `ambient_sound_volume` is
-applied **twice** on every ambient — once in `PlayAmbientSound[FromCenter]`
-and again inside `GetAttenuation(…, arg4 != 0)`. At the default 1.0 this is
-invisible; at a 0.5 slider ambients are 0.25×, i.e. the slider is
-effectively squared. A faithful port must reproduce this or record it as an
-intentional divergence.
-
-`GetAttenuation` (`0x550020`), byte-exact:
-
-```
-0x550020 fld [esp+4] ; dist
-0x550024 fcomp [0x7caeac] ; 5.0f
-0x55002c test ah, 5 ; jp .far ; dist < 5 → v = volume
-0x550031 fld [esp+8] ; (near path)
-.far: fld [0x86f404] ; VOL_MIN_DIST_SQ = 25.0
- fmul [esp+8] ; * volume
- fld [esp+4]; fmul [esp+4] ; dist*dist
- fdivp ; v = 25*volume/dist²
-.clamp: fcom qword [0x7928c0] ; 1.0
- test ah,0x41; jne .keep; v = 1.0
- fmul (arg4 ? ambient_sound_volume : effect_sound_volume)
- fcom 0.0; if (v <= 0) { *out = VOL_MIN; return 0; }
- fldln2; fyl2x; fmul C1; fmul C2; ceil; ftol ; → integer dB
- if (*out < VOL_MIN) { *out = VOL_MIN; return 0; }
- return 1
-```
-`SoundManager::SetVolume` later multiplies by 100 → DirectSound millibels.
-
-There is **one further gate** inside `PlayAmbientSound` that our earlier doc
-missed entirely — a second, independent probability roll against the
-**SoundTable entry's own** `probability_`:
-
-```
-0x550861 mov eax, [esp+0x14] ; SoundData.probability_ (SoundData+8)
-0x550869 call [rand]
-0x550873 fild ; fmul [0x7caf50] ; rand()/32768
-0x55087d fcomp [esp+8] ; vs probability_
-0x550883 test ah,5 ; jp .skip
- PlaySoundInternal(...)
-⇒ plays only if (rand()/32768.0f) < SoundData.probability_
-```
-and `SoundManager::GetSound` (`0x550680`) itself picks a **random entry**
-from the sound table's `SoundTableData` for that `SoundType`:
-
-```csharp
-if (table != null && table.Lookup(stype, out var td) && td.num_stdatas_ > 0) {
- int i = (int)(RollDice(0,1) * td.num_stdatas_); // uniform pick
- if (i < td.num_stdatas_) {
- data.sound_id_ = td[i].Id; data.priority_ = td[i].Priority;
- data.probability_ = td[i].Probability; data.volume_ = td[i].Volume;
- buf = sound_hash_.find(data.sound_id_);
- }
-}
-```
-Note `SoundData.volume_` is **loaded but never used** on the ambient paths —
-the ambient's own volume wins.
-
-So an intermittent ambient fires only when **both** rolls pass:
-`RollDice(0,1) ≤ play_chance` **and** `rand()/32768 < SoundData.probability_`.
-
----
-
-## 6. Q4 — `GetSoundPos`: where an ambient is positioned
-
-* **ConstantSound** — inherits the base stub → returns **0** ⇒
- `PlayAmbientSoundFromCenter`, i.e. **no position at all**, no pan, no
- distance attenuation. It is a stereo bed centred on the listener.
-* **IntermitSound** (`0x551350`) — offsets the **listener's own Position**
- (`SoundManager::player_position_`, copied in `Ambient::Play`) in the XY
- plane, keeping the listener's Z and objcell_id:
-
-```csharp
-int GetSoundPos(ref Position pos) // 0x551350
-{
- int idx = (int)Math.Floor(RollDice(0f, (float)num_dir)); // pick one accumulated dir
- var dir = sound_dir[idx];
-
- const float spread = 0.392699093f; // π/8 rad = 22.5°
- float angle = LandDefs.Heading(dir) // radians, N=0 CW
- + RollDice(0f, spread)
- - spread * 0.5f; // ⇒ ±11.25° jitter
-
- float min = min_dist[idx], max = max_dist[idx];
- float t = RollDice(0f, 1f);
- float dist = min + (max - min) * t * t; // t² — biased toward `min`
-
- pos.frame.origin.x += MathF.Sin(angle) * dist;
- pos.frame.origin.y += MathF.Cos(angle) * dist;
- // pos.frame.origin.z unchanged (0x55143d re-stores the saved z)
- // pos.objcell_id unchanged (the listener's cell)
- return 1;
-}
-```
-`fsin`/`fcos` on `angle` with `x += sin`, `y += cos` is AC's standard
-compass convention (N = +Y, E = +X).
-
-The `(min_dist, max_dist)` pairs come from `AddTo`/`AddDir`:
-
-```csharp
-void AddTo(float weight, in Vector3 offset, LandDefs.Direction dir) // 0x551450
-{
- const float half = 20.0f * 0.5f; // ambient_sound_min_dist * 0.5 = 10 m
- float dist = MathF.Sqrt(offset.LengthSquared()); // 0x551486 fsqrt — byte-verified
- sound_count += weight;
-
- if (dir != LandDefs.Direction.IN_VIEWER_BLOCK) {
- AddDir(dir, dist - half, dist + half); // a 20 m-thick shell at that bearing
- return;
- }
- // source is within 14.14 m of the listener: it could be anywhere around them
- foreach (var d in new[]{ NORTH, SOUTH, EAST, WEST,
- NORTHWEST, SOUTHWEST, NORTHEAST, SOUTHEAST })
- AddDir(d, 4.0f, half); // 4 m .. 10 m in all 8 directions
-}
-
-void AddDir(LandDefs.Direction dir, float min, float max) // 0x550cf0
-{
- int i = IndexOf(sound_dir, 0, num_dir, dir); // linear scan
- if (i == num_dir) { // append
- sound_dir[i] = dir; max_dist[i] = max; min_dist[i] = min; num_dir++;
- return;
- }
- if (min < min_dist[i]) min_dist[i] = min; // 0x550d41 test ah,5 → strict below
- if (max > max_dist[i]) max_dist[i] = max; // 0x550d58 test ah,0x41 → strict above
-}
-```
-`num_dir` can never exceed 8 (either one of dirs 1–8, or all eight from the
-IN_VIEWER_BLOCK expansion), so the fixed arrays are safe.
-
-`Ambient::CalcDir` (`0x550e40`) — byte-exact classification of the
-listener→source offset:
-
-```csharp
-LandDefs.Direction CalcDir(in Vector3 v)
-{
- float ax = MathF.Abs(v.x), ay = MathF.Abs(v.y);
- float d2 = v.x*v.x + v.y*v.y; // XY only — Z ignored
- if (d2 < 200.0f) return IN_VIEWER_BLOCK; // min_dist_sq*0.5 ⇒ 14.142 m
- if (ax < 0.0002f) goto NS; // degenerate x
- if (ay / ax > 2.0f) goto NS; // predominantly N/S
- if (ay < 0.0002f) goto EW; // degenerate y
- if (ax / ay > 2.0f) goto EW; // predominantly E/W
- // both ratios <= 2 → diagonal quadrant
- return v.x >= 0 ? (v.y >= 0 ? NORTHEAST : SOUTHEAST)
- : (v.y >= 0 ? NORTHWEST : SOUTHWEST);
-EW: return v.x < 0 ? WEST : EAST;
-NS: return v.y < 0 ? SOUTH : NORTH;
-}
-```
-Geometrically: an 8-way compass rose where each cardinal owns the wedge
-outside a 2:1 slope ratio and each diagonal owns the 2:1..1:2 band —
-cardinals get ~53° each, diagonals ~37° each.
-
-`Ambient::CalcWeight` (`0x550dd0`):
-
-```csharp
-float CalcWeight(in Vector3 v)
-{
- float d2 = v.x*v.x + v.y*v.y + v.z*v.z;
- if (d2 > 14400.0f) return 0.0f; // > 120 m → cull
- if (d2 < 400.0f) return 1.0f; // < 20 m → full weight
- return 400.0f / d2; // (20/d)² inverse-square
-}
-```
-At the 120 m cull edge the weight is 400/14400 = 0.0278.
-
----
-
-## 7. Q5 — `GetPlayInterval`: the re-trigger cadence
-
-```csharp
-float IntermitSound.GetPlayInterval() // 0x551080
- => RollDice(desc.ambient_sounds[id].min_rate, // [eax+0x10]
- desc.ambient_sounds[id].max_rate); // [eax+0x14]
-
-float ConstantSound.GetPlayInterval() // 0x5510a0
- => desc.ambient_sounds[id].min_rate; // [eax+0x10] only — max_rate unused
-```
-
-`Random::RollDice(min, max)` (`0x42c600`), byte-exact:
-
-```csharp
-static float RollDice(float min, float max)
-{
- if (min == max) return min;
- float lo = min, hi = max;
- if (max < min) { lo = max; hi = min; } // 0x42c634: swap on inverted range
- float r = UniformUnit(); // call 0x42c4c0 → [0,1)
- return lo + (hi - lo) * r;
-}
-```
-
-Units are **seconds**; the deadline is absolute (`Timer::cur_time` is a
-`double` seconds clock) and inserted into a min-heap.
-
-For a "continuous" ambient, `min_rate` is effectively the **loop period** the
-content author chose for that wave. That is how retail fakes a loop without
-a looping voice — and it is why a naive `AL_LOOPING` port sounds wrong
-(no re-randomised table pick, no re-rolled crossfade volume, no gap).
-
----
-
-## 8. Q6 — who ticks these, and in what order
-
-`SmartBox::UseTime` (`0x455410`) is the per-frame game tick. Exact order:
-
-```
-if (!cell_manager->blocking_for_cells) {
- if (!all_cells_available && CheckPrefetchStatus()) UpdateLoadPoint();
- if (player && player->m_position.objcell_id)
- CellManager::ChangePosition(&player->m_position, /*blocking*/0); // ← ambient REBUILD
- ...position_update_complete / has_been_teleported bookkeeping...
- CObjectMaint::UseTime();
- CPhysics::UseTime();
- if (GameTime::current_game_time) { GameTime::UseTime(); LScape::UseTime(); }
- Ambient::UseTime(ambient_sounds); // ← ambient PLAYBACK (last)
-} else CheckPrefetchStatus();
-SceneTool::Think();
-...inbound netblob drain...
-```
-
-So: cell/streaming first, then object maintenance, then physics, then
-game-time/sky, then ambients **last** in the pre-network block. `ChangePosition`
-is called every frame but only does work when the objcell changed.
-
-```csharp
-void Ambient.UseTime() // 0x551880
-{
- if (!SoundManager.ambient_sounds_enabled) return;
- while (sound_queue.curNumNodes > 0) {
- var node = sound_queue.A; // heap root = earliest deadline
- if (node == null) break;
- if (!(node.key < Timer.cur_time)) break; // 0x5518bc test ah,1 → strict below
- sound_queue.RemoveMin(out _, out AmbientSound s);
- Play(s); // plays AND re-inserts
- }
-}
-
-void Ambient.UpdatePlayQueue() // 0x551a50
-{
- if (!SoundManager.ambient_sounds_enabled) return;
- for (int i = 0; i < num_sounds; i++) {
- var s = sounds[i];
- s.UpdateSound(total_sound_count); // recompute volume / chance
- if (s.on_queue == 0) Play(s); // (re)arm — first play is IMMEDIATE
- }
-}
-
-void Ambient.Play(AmbientSound s) // 0x5517a0
-{
- Position pos = SoundManager.player_position_; // copy (objcell_id + frame)
- if (!s.CanHear()) { s.on_queue = 0; return; } // ← drops out of the heap, no re-arm
- if (s.PlayNow()) {
- bool positioned = s.GetSoundPos(ref pos) != 0;
- var stype = s.desc.ambient_sounds[s.ambient_sound_id].stype;
- var table = s.desc.sound_table;
- if (positioned) SoundManager.PlayAmbientSound(stype, table, pos, s.GetVolume());
- else SoundManager.PlayAmbientSoundFromCenter(stype, table, s.GetVolume());
- }
- sound_queue.Insert(Timer.cur_time + s.GetPlayInterval(), s);
- s.on_queue = 1;
-}
-```
-
-Two behaviours worth calling out:
-
-* **`UpdatePlayQueue` arms `on_queue == 0` sounds immediately** — a newly
- audible ambient fires on the frame you cross into range, then schedules.
- There is no initial random delay.
-* **`CanHear() == false` un-arms and does not reschedule.** An ambient that
- goes inaudible silently leaves the heap; it can only come back on the next
- `UpdatePlayQueue`, i.e. the next objcell change. Already-queued sounds
- that stay audible are *not* re-armed (the `on_queue == 0` guard), so their
- cadence carries smoothly across cell boundaries — no restart click.
-
----
-
-## 9. Q7 — day/night / time-of-day: **there is none**
-
-Definitively refuted. `Ambient::AddSound` has exactly one caller in the
-binary (`grep` over the full 1.4 M-line pseudo-C):
-
-```
-314293:005303ff Ambient::AddSound(arg2, eax_7, &var_48); ← CLandBlock::add_ambient_sounds
-```
-
-and the STB desc it passes comes from a pure static lookup:
-
-```csharp
-AmbientSTBDesc CRegionDesc.GetSTBDesc(uint terrainType, uint sceneIdx) // 0x4feab0
-{
- var d = terrain_info.GetSTBDesc(terrainType, sceneIdx);
- if (d == null) return null;
- if (d.sound_table == null) d.InitSoundTable(); // lazy DBObj::Get(stb_id, type 0x22)
- return (d.sound_table != null) ? d : null;
-}
-
-AmbientSTBDesc CTerrainDesc.GetSTBDesc(uint t, uint s) // 0x502400
-{
- if (t >= terrain_types.m_num) return null;
- var tt = terrain_types[t]; // CTerrainType
- if (s >= tt.scene_types.m_num) return null; // == NumSceneType(t)
- var st = tt.scene_types[s]; // CSceneType
- return st?.sound_table_desc; // CSceneType + 0x10
-}
-```
-
-`GameTime`, `SkyDesc.present_day_group`, `DayGroup`, `SkyTimeOfDay`, and the
-weather/fog descs are **never** consulted. `DayGroup` carries only
-`day_name / chance_of_occur / sky_time / sky_objects` — sky visuals only.
-
-`AmbientSTBDesc::InitSoundTable` (`0x4fea60`):
-
-```csharp
-bool InitSoundTable() {
- if (stb_not_found != 0) return false;
- if (stb_id == INVALID_DID) return false;
- sound_table = DBObj.Get(new QualifiedDataID(stb_id, 0x22)); // 0x22 = SoundTable
- if (sound_table != null) return true;
- stb_not_found = 1; // negative cache, never retried
- return false;
-}
-```
-
-### Where the STB desc actually lives in `region.dat`
-
-`CRegionDesc::sound_info` (`CSoundDesc`) is the **storage**; the terrain /
-scene tables are the **selector**. Region unpack (`0x4ff746`) resolves it:
-
-```
-for each CSceneType:
- uint32 stbIndex = read();
- sceneType->sound_table_desc = (stbIndex != 0xFFFFFFFF)
- ? soundDesc->stb_desc[stbIndex]
- : nullptr;
- CSceneType::unpack(...) // scene_name + scene DIDs
-```
-
-Which maps **exactly** onto the model our `DatReaderWriter` package already
-exposes (verified: `SoundDesc`, `AmbientSTBDesc`, `AmbientSoundDesc`,
-`SceneType.StbIndex`, `Region.SoundInfo` are all present in
-`chorizite.datreaderwriter/1.0.0`):
-
-```
-Region (0x13000000)
-├─ SoundInfo.STBDesc[] : AmbientSTBDesc { STBId, AmbientSounds[] }
-├─ SceneInfo.SceneTypes[] : SceneType { StbIndex, Scenes[] }
-└─ TerrainInfo.TerrainTypes[] : TerrainType { TerrainName, TerrainColor, SceneTypes[] }
-
-resolve(terrainWord):
- terrainType = (terrainWord >> 2) & 0x1F
- sceneIdx = (terrainWord >> 11) & 0x1F
- if (terrainType >= TerrainInfo.TerrainTypes.Count) → none
- sceneTypeList = TerrainInfo.TerrainTypes[terrainType].SceneTypes
- if (sceneIdx >= sceneTypeList.Count) → none // == NumSceneType
- sceneTypeIdx = sceneTypeList[sceneIdx]
- if (sceneTypeIdx >= SceneInfo.SceneTypes.Count) → none
- stbIndex = SceneInfo.SceneTypes[sceneTypeIdx].StbIndex
- if (stbIndex == 0xFFFFFFFF) → none
- return SoundInfo.STBDesc[stbIndex]
-```
-
-**This is the identical walk `src/AcDream.Core/World/SceneryGenerator.cs`
-lines 100–112 already performs for procedural scenery.** The ambient port
-should reuse that exact decode (and the same `>> 2 & 0x1F` / `>> 11 & 0x1F`
-bit fields) rather than re-deriving it. Note retail iterates only the **8×8
-land cells** (`side_cell_count`), reading the **SW vertex's** terrain word
-from the 9×9 grid (`side_vertex_count` = 9, row stride `0x12` = 9 × 2 bytes)
-— scenery iterates 9×9 vertices, ambients iterate 8×8 cells. Do not copy the
-loop bounds.
-
----
-
-## 10. Q8 — cell/landblock transition: start & stop
-
-### The rebuild, from `CellManager::ChangePosition` (`0x4559b0`)
-
-```csharp
-void ChangePosition(Position pos, int blocking)
-{
- if (pos.objcell_id == 0) { Reset(); return; } // → Ambient::FlushSoundTables
- int b = blocking_for_cells != 0 ? 1 : blocking;
- if (load_pos.objcell_id != pos.objcell_id || curr_cell == null)
- {
- PreFetchCells(pos.objcell_id, b);
- ... resolve curr_cell, master_incell_timestamp++, clear world lights ...
- CEnvCell.flush_cells();
- if (curr_cell != null)
- {
- bool outdoors = (seenOutsideFlag || curr_cell.seen_outside != 0);
- if (outdoors) { ...sunlight from LScape, SetWorldAmbientLight(calc_object_light) ... }
- else { SetWorldAmbientLight(0.2f, 0xFFFFFFFF); }
-
- Ambient::InitSounds(ambient_sounds, pos); // 1. reset every count, latch listener
- /* 0x455b0a: call 0x694750 — a folded empty `ret`.
- This is where an indoor/EnvCell ambient contributor would have gone;
- in the shipped 2013 build it does nothing. */
- if (outdoors)
- LScape::add_ambient_sounds(lscape, ambient_sounds); // 2. accumulate
- Ambient::UpdatePlayQueue(ambient_sounds); // 3. recompute + arm
- Ambient::ReleaseSoundTables(ambient_sounds); // 4. free tables nobody used
- }
- }
- load_pos = pos;
-}
-```
-
-```csharp
-void Ambient.InitSounds(Position pos) // 0x5515d0
-{
- player_pos = pos; // objcell_id + Frame copy
- total_sound_count = 0f;
- for (int i = 0; i < num_sounds; i++) sounds[i].ResetCount();
-}
-
-void Ambient.AddSound(AmbientSTBDesc desc, in Position at) // 0x551610
-{
- if (!SoundManager.ambient_sounds_enabled) return;
- Vector3 off = player_pos.GetOffset(at); // block-corrected listener→source
- float d2 = off.x*off.x + off.y*off.y + off.z*off.z;
- if (d2 > 14400.0f) return; // 0x551658 test ah,0x41; je
- float w = CalcWeight(off);
- var dir = CalcDir(off);
- if (w == 0.0f) return; // 0x551689 test ah,0x44; jnp
- total_sound_count += w;
- for (uint i = 0; i < desc.ambient_sounds.m_num; i++)
- GetSound(desc, i).AddTo(w, off, dir); // creates the object on first use
-}
-
-AmbientSound Ambient.GetSound(AmbientSTBDesc desc, uint id) // 0x5510b0
-{
- for (int i = 0; i < num_sounds; i++)
- if (sounds[i].desc == desc && sounds[i].ambient_sound_id == id) return sounds[i];
- sounds.grow_check(num_sounds);
- bool cont = desc.ambient_sounds[id].is_continuous != 0;
- var s = cont ? (AmbientSound)new ConstantSound() // operator new(0x1C)
- : new IntermitSound(); // operator new(0x80)
- s.desc = desc; s.ambient_sound_id = id; s.on_queue = 0; s.sound_count = 0;
- sounds[num_sounds++] = s;
- return s;
-}
-```
-
-### The contributors
-
-```csharp
-void LScape.add_ambient_sounds(Ambient a) // 0x505810
-{
- for (int by = 0; by < mid_width; by++)
- for (int bx = 0; bx < mid_width; bx++) {
- get_block_orient(by, bx, out int lod, out _);
- if (lod != 1) continue; // ← ring ≤ 1 only ⇒ 3×3 landblocks
- land_blocks[mid_width*by + bx]?.add_ambient_sounds(a);
- }
-}
-// get_block_orient (0x504f90): ring = max(|bx-mid_radius|, |by-mid_radius|)
-// ring <= 1 → lod 1 ; <= 2 → 2 ; <= 4 → 4 ; else 8
-
-void CLandBlock.add_ambient_sounds(Ambient a) // 0x530310
-{
- var p = new Position { objcell_id = 0, frame = Frame.Identity }; // Frame::cache
- for (int row = 0; row < side_cell_count /*8*/; row++)
- for (int col = 0; col < side_cell_count; col++) {
- var v = vertex_array.vertices[side_vertex_count /*9*/ * row + col];
- p.frame.origin = new Vector3(v.x, v.y, v.z); // landblock-local
- p.objcell_id = lcell[side_cell_count*row + col].id; // ← 0x5303C1, [esp+0x24]
- ushort w = terrain[row*9 + col];
- uint t = (uint)((w >> 2) & 0x1F), s = (uint)(w >> 11);
- if (s >= CRegionDesc.NumSceneType(current_region, t)) continue;
- var desc = CRegionDesc.GetSTBDesc(current_region, t, s);
- if (desc != null) a.AddSound(desc, p);
- }
-}
-```
-
-> **Decomp trap.** The BN pseudo-C shows `objcell_id` (`var_44`) set to 0 and
-> never updated, which makes `Position::get_offset` look catastrophically
-> broken (`LandDefs::get_block_offset(id1, 0)` returns garbage on the
-> `id2 == 0` branch — it loads `id1`'s stack slot, not a zero). The
-> disassembly shows BN mis-attributed the store: `0x5303C1 mov [esp+0x24], edx`
-> writes the **land cell's own objcell_id** (`lcell[i] + 0x28`) into the
-> Position before every `AddSound`. Anyone porting from the pseudo-C alone
-> would conclude the whole outdoor path is dead code.
-
-`Position::get_offset` (`0x509f60`) then does the block correction properly:
-
-```csharp
-Vector3 GetOffset(in Position target) {
- var blk = LandDefs.get_block_offset(this.objcell_id, target.objcell_id);
- return blk + target.frame.origin - this.frame.origin;
-}
-// get_block_offset (0x43e630): 0 if same landblock; else
-// (bx2 - bx1) * 24.0f in x, (by2 - by1) * 24.0f in y, 0 in z
-// where bx = ((id >> 24) & 0xFF) * 8, by = ((id >> 16) & 0xFF) * 8
-// (i.e. land-cell units × square_length 24 m ⇒ 192 m per landblock)
-```
-
-### The teardown
-
-```csharp
-void Ambient.ReleaseSoundTables() // 0x455770 (end of every rebuild)
-{
- for (int i = 0; i < num_sounds; i++) {
- var d = sounds[i].desc;
- if (d.sound_table != null && d.play_count == 0) {
- d.sound_table.Release(); // vtable +0x14
- d.sound_table = null; // → CanHear() false until reloaded
- }
- }
-}
-
-void Ambient.FlushSoundTables() // 0x452920 (CellManager::Reset)
-{
- total_sound_count = 0f;
- for (int i = 0; i < num_sounds; i++) {
- sounds[i].ResetCount();
- var d = sounds[i].desc;
- if (d.sound_table != null && d.play_count == 0) { d.sound_table.Release(); d.sound_table = null; }
- }
-}
-
-void Ambient.Destroy() // 0x551580 (~Ambient, world exit)
-{ for (...) delete sounds[i]; num_sounds = 0; total_sound_count = 0f; }
-```
-
-Key semantics: **`play_count` is the "was this audible during this cell" flag.**
-`UpdateSound` increments it whenever `sound_count > 0` (intermittent) or
-`sound_count != 0` (constant); `ResetCount` zeroes it at the start of every
-rebuild. So the wave/sound-table memory for an ambient you just walked out of
-range of is released on the very next cell change — a per-cell LRU of exactly
-one generation.
-
-Note also that neither `FlushSoundTables` nor `ReleaseSoundTables` clears the
-`AmbientSound` list or the heap. `CellManager::Reset` (objcell_id → 0, i.e.
-logout / pending teleport) leaves stale deadlines in the queue; they fire,
-`CanHear()` returns false (counts were reset), and they quietly un-arm. The
-list itself is only freed by `~Ambient`, so `sounds[]` grows monotonically to
-the set of every `(STBDesc, index)` pair the session ever visited — and
-`UpdatePlayQueue` iterates all of them on every cell change.
-
----
-
-## 11. Full lifecycle, cell load → audible → stopped
-
-```
-[frame N] SmartBox::UseTime
- CellManager::ChangePosition(playerPos)
- objcell_id unchanged → nothing (the common case)
-
-[frame M] player crosses a 24 m land-cell boundary
- CellManager::ChangePosition
- PreFetchCells; resolve curr_cell; lights
- Ambient::InitSounds(playerPos)
- player_pos = playerPos; total = 0
- ∀ sounds: ResetCount() (play_count=0, sound_count=0,
- num_dir=0, play_chance=0)
- [indoor? → nothing added: the only contributor is gated on `outdoors`]
- LScape::add_ambient_sounds
- ∀ landblock in the 3×3 ring (lod == 1)
- ∀ 64 land cells
- terrainWord → (terrainType, sceneIdx)
- → TerrainType.SceneTypes[sceneIdx]
- → SceneDesc.SceneTypes[..].StbIndex
- → SoundDesc.STBDesc[..] (AmbientSTBDesc)
- → InitSoundTable() lazily loads SoundTable DID (type 0x22)
- Ambient::AddSound(desc, cellPosition)
- off = playerPos.GetOffset(cellPosition) // block-corrected
- if |off|² > 14400 (120 m) → skip
- w = 1 (<20 m) | 400/|off|² | 0
- dir = 8-way compass, or IN_VIEWER_BLOCK if |off_xy|² < 200 (14.14 m)
- total += w
- ∀ AmbientSoundDesc in desc:
- GetSound(desc, i) // create on first use:
- // base_chance==0 → ConstantSound
- // else → IntermitSound
- .AddTo(w, off, dir)
- sound_count += w
- (IntermitSound only) AddDir merge:
- dir != IN_VIEWER_BLOCK → (|off|-10, |off|+10) at that bearing
- dir == IN_VIEWER_BLOCK → (4, 10) at all 8 bearings
- Ambient::UpdatePlayQueue
- ∀ sounds:
- UpdateSound(total)
- ConstantSound : current_volume = volume * sound_count/total (0 if count==0)
- IntermitSound : play_chance = base_chance* sound_count/total (skip if count<=0)
- if audible: desc.play_count++
- if on_queue == 0 → Play(s) // FIRES IMMEDIATELY
- Ambient::ReleaseSoundTables
- ∀ sounds with desc.play_count == 0 → release + null the SoundTable
-
-Ambient::Play(s):
- pos = SoundManager::player_position_
- if !s.CanHear() → on_queue = 0; RETURN (leaves the heap)
- ConstantSound : current_volume >= 0.03 && sound_table != null
- IntermitSound : play_chance > 0
- if s.PlayNow()
- ConstantSound : always true
- IntermitSound : RollDice(0,1) <= play_chance
- positioned = s.GetSoundPos(ref pos)
- ConstantSound : 0 → PlayAmbientSoundFromCenter(stype, table, GetVolume())
- IntermitSound : 1 → pos offset to a random accumulated bearing ±11.25°,
- distance min + (max-min)·t², listener Z + cell kept
- → PlayAmbientSound(stype, table, pos, GetVolume())
- both then: volume *= ambient_sound_volume
- GetSound(stype, table) → random SoundTableData entry
- if rand()/32768 >= entry.probability_ → SILENT this fire
- GetAttenuation(dist, vol, out mB, isAmbient=1)
- dist > 5 m → vol *= 25/dist²; clamp 1.0
- vol *= ambient_sound_volume (SECOND application)
- mB = ceil(20·log10(vol)); reject below VOL_MIN
- PlaySoundInternal(buf, pos|null, mB)
- sound_queue.Insert(Timer::cur_time + s.GetPlayInterval(), s)
- ConstantSound : min_rate (fixed)
- IntermitSound : RollDice(min_rate, max_rate)
- on_queue = 1
-
-[every frame] Ambient::UseTime
- while (heap.root.key < Timer::cur_time) Play(RemoveMin())
-
-STOP paths:
- • terrain share drops → volume < 0.03 / play_chance == 0 → CanHear false → un-armed
- • walk indoors → nothing accumulated → all counts 0 → all un-armed next cell change
- • > 120 m from every contributing cell → weight 0 → same
- • CellManager::Reset (objcell_id 0: logout / teleport pending) → FlushSoundTables
- • ~Ambient → Destroy (frees the objects)
- NOTE: nothing ever *stops a playing voice*. Every ambient is a one-shot;
- "stopping" just means it is never scheduled again.
-```
-
----
-
-## 12. Corrections to `docs/research/deepdives/r05-audio-sound.md` §7
-
-Our existing ambient section is directionally right but wrong on almost
-every mechanism. Concretely:
-
-| r05 §7 claim | Reality |
-|---|---|
-| "queries `terrainType` for each corner of the current cell and **picks the dominant** `AmbientSTBDesc` by STBId" | No dominance selection. It iterates **8×8 land cells across a 3×3 landblock ring** (576 cells) and **accumulates weights into every** STB desc it finds. STBId is a SoundTable DID, not a selector. |
-| "STBId is indexed by terrain type or region-specific rule" | The selector chain is `terrainWord → (terrainType, sceneIdx) → TerrainType.SceneTypes[] → SceneDesc.SceneTypes[].StbIndex → SoundDesc.STBDesc[]`. Same walk `SceneryGenerator.cs` already does. |
-| "If `BaseChance == 0` → **continuous loop on a dedicated voice**" | No loops, no dedicated voices. A one-shot re-fired every `min_rate` s, **non-positional**, at volume `authored × share`. |
-| "roll `rand() < BaseChance`" | The chance is `base_chance × sound_count / total_sound_count`, not `base_chance`. Plus a **second** independent roll against the SoundTable entry's `probability_`. |
-| "positioned near the listener (at a small random offset)"; code sketch `listenerPos + rng.InUnitSphere() * 8f` | Random pick among up to 8 **accumulated compass bearings**, jittered ±11.25° (π/16), distance `min + (max−min)·t²` where the (min,max) shell is 4–10 m for in-block sources and `d±10 m` for neighbours. **Z is never offset** — same plane as the listener. |
-| "every `N` seconds where `N = rand()` in `[MinRate, MaxRate]`" | Correct for intermittent. **Wrong for continuous**, which uses `min_rate` only. |
-| "On landblock change … stop all ambient voices associated with the outgoing STBId and start new ones" | Rebuild trigger is **any objcell change** (24 m outdoors), not landblock. Nothing is stopped; already-armed audible sounds keep their cadence (the `on_queue == 0` guard), which is what prevents a restart click at every cell crossing. |
-| §7.1 "`RegionDesc` contains a `SoundDesc` field (when `PartsMask & 0x01`)" — implies SoundDesc *is* the selection | Correct as **storage**. It is never the runtime *selector*; `CRegionDesc::sound_info` is only ever touched by pack/unpack/GetSubDataIDs. |
-| — (not mentioned) | **Indoors is silent.** No EnvCell ambient contributor exists; the slot in `ChangePosition` is a folded empty `ret`. |
-| — (not mentioned) | **`ambient_sound_volume` is applied twice** (in `PlayAmbient*` and again in `GetAttenuation`), so the slider is effectively squared. |
-| — (not mentioned) | Final volume is quantised to **integer dB** (`ceil(20·log10 v)`) and floored at `VOL_MIN`. |
-
----
-
-## 13. Port notes for acdream
-
-Current state: `OpenAlAudioEngine.StartAmbient` (`src/AcDream.App/Audio/OpenAlAudioEngine.cs:367`)
-only mints a handle; there is no ambient system. `StopAmbient` exists and
-works against `_ambientSources`. `grep` finds no `AmbientSTBDesc`/`SoundDesc`
-consumer anywhere in `src/`.
-
-**The retail model does not need `StartAmbient` at all.** Every ambient is a
-one-shot. The right shape is:
-
-* A `RuntimeAmbientState` owner (Runtime layer, per Slice-J ownership rules)
- holding `player_pos`, `total_sound_count`, the `AmbientSound` list, and a
- `PriorityQueue` of absolute deadlines.
-* Rebuild hook on the existing **objcell-change** signal — the same edge
- `ACDREAM_PROBE_CELL` / `PlayerMovementController.CellId` already fires on.
- Not on landblock streaming events.
-* Contributor that reuses `SceneryGenerator`'s terrain-word decode but
- iterates **8×8 cells** (SW vertex per cell) over the **3×3 landblock ring**,
- not 9×9 vertices over the streaming window.
-* Playback through the existing `Play3D` / one-shot path plus a
- non-positional variant for constant sounds. `SoundTable` lookup already
- exists (`AudioHookSink.PlayFromSoundTable` / `IEntitySoundTable`), and
- `SoundManager::GetSound`'s random-entry + `probability_` roll must be
- reused, not bypassed.
-* Data is already available: `chorizite.datreaderwriter` exposes
- `Region.SoundInfo.STBDesc`, `AmbientSTBDesc.{STBId, AmbientSounds}`,
- `AmbientSoundDesc.{SType, Volume, BaseChance, MinRate, MaxRate}`, and
- `SceneType.StbIndex`. **No new dat parser is required.**
-
-Ordering and edge cases that will bite (each already caused a retail-shaped
-bug class elsewhere in this codebase):
-
-1. `ResetCount` **must** run for every existing sound before accumulation.
- `IntermitSound::UpdateSound` never clears `play_chance`, so a missed reset
- leaves a stale bearing and a stale probability alive indefinitely.
-2. The `on_queue == 0` guard in `UpdatePlayQueue` is load-bearing. Re-arming
- unconditionally restarts every ambient on every 24 m crossing — audible as
- a machine-gun of one-shots. Re-arming never (e.g. only on landblock
- change) makes newly-audible ambients silent until the next landblock.
-3. Weight normalisation is by `total_sound_count`, the sum over **all**
- ambients, not per-desc. Getting the denominator wrong changes the
- crossfade, not just the level.
-4. `CalcDir`'s IN_VIEWER_BLOCK threshold is `min_dist_sq * 0.5` = **200 m²**
- (14.142 m), *not* `min_dist` (20 m). It is the only place that `× 0.5`
- appears on the squared value.
-5. `GetSoundPos`'s distance is `min + (max−min)·t²` — a quadratic bias
- toward `min`. A linear lerp puts intermittent ambients audibly further
- away on average.
-6. Distance attenuation is `25/d²` past a **5 m** knee, clamped to 1.0, then
- quantised to integer dB. An OpenAL `AL_INVERSE_DISTANCE_CLAMPED` model
- with `AL_REFERENCE_DISTANCE = 5` and `AL_ROLLOFF_FACTOR = 1` is the same
- curve; verify before substituting, per the WB-formula lesson.
-7. The doubled `ambient_sound_volume` and the integer-dB quantisation are
- both retail deviations from "obvious" behaviour. If we choose not to
- reproduce them, each needs a row in
- `docs/architecture/retail-divergence-register.md`.
-8. Indoor silence is retail-correct. If the user's "incorrect ambient"
- complaint includes "dungeons are too quiet", that is faithful — retail is
- silent there too, and any indoor ambient we add is a **new feature**, not
- a port, and needs a register row.
-
-Address citations for code comments (named symbol + address, per the
-project's phase-completion checklist):
-
-```
-Ambient::AddSound 0x551610
-Ambient::InitSounds 0x5515d0
-Ambient::UpdatePlayQueue 0x551a50
-Ambient::Play 0x5517a0
-Ambient::UseTime 0x551880
-Ambient::GetSound 0x5510b0
-Ambient::CalcWeight 0x550dd0
-Ambient::CalcDir 0x550e40
-Ambient::PlaySoundA 0x550d90
-Ambient::FlushSoundTables 0x452920
-Ambient::ReleaseSoundTables 0x455770
-Ambient::Destroy 0x551580
-IntermitSound::CanHear 0x550f80
-IntermitSound::PlayNow 0x550fa0
-IntermitSound::GetVolume 0x551070
-IntermitSound::GetPlayInterval 0x551080
-IntermitSound::UpdateSound 0x551310
-IntermitSound::GetSoundPos 0x551350
-IntermitSound::AddTo 0x551450
-IntermitSound::AddDir 0x550cf0
-IntermitSound::ResetCount 0x550cd0
-ConstantSound::CanHear 0x550fd0
-ConstantSound::GetVolume 0x550d80
-ConstantSound::GetPlayInterval 0x5510a0
-ConstantSound::UpdateSound 0x551540
-ConstantSound::AddTo 0x551000
-ConstantSound::ResetCount 0x550d70
-AmbientSound base GetSoundPos 0x4f0ea0 (xor eax,eax; ret 4)
-AmbientSound base PlayNow (CS) 0x5269f0 (mov eax,1; ret)
-SoundManager::PlayAmbientSound 0x550820
-SoundManager::PlayAmbientSoundFromCenter 0x5508b0
-SoundManager::GetSound 0x550680
-SoundManager::GetAttenuation 0x550020
-SoundManager::PlaySoundInternal 0x550170 / 0x54fec0
-SoundManager::SetPlayerPosition 0x5503c0
-AmbientSTBDesc::UnPack 0x5518f0
-AmbientSTBDesc::InitSoundTable 0x4fea60
-CRegionDesc::GetSTBDesc 0x4feab0
-CTerrainDesc::GetSTBDesc 0x502400
-CTerrainDesc::NumSceneType 0x502430
-CLandBlock::add_ambient_sounds 0x530310
-LScape::add_ambient_sounds 0x505810
-LScape::get_block_orient 0x504f90
-CellManager::ChangePosition 0x4559b0
-CellManager::Reset 0x455930
-SmartBox::UseTime 0x455410
-LandDefs::heading 0x5a9a30
-LandDefs::get_block_offset 0x43e630
-Position::get_offset 0x509f60
-Random::RollDice 0x42c600
-```
diff --git a/docs/research/2026-08-08-audio-retail-dat-layer.md b/docs/research/2026-08-08-audio-retail-dat-layer.md
deleted file mode 100644
index 73daa957..00000000
--- a/docs/research/2026-08-08-audio-retail-dat-layer.md
+++ /dev/null
@@ -1,647 +0,0 @@
-# Lane 4 — Sound DAT layer: retail vs DatReaderWriter vs acdream
-
-Read-only audit, 2026-08-08. Three oracles used:
-
-1. **Retail decomp** — `docs/research/named-retail/acclient_2013_pseudo_c.txt` +
- `acclient.h` (Sept 2013 EoR, PDB-named).
-2. **The PDB-paired binary** — `C:\Users\erikn\Downloads\acclient.exe`
- v11.4186 (`check_exe_pdb.py` MATCH). Used to recover every constant
- Binary Ninja elided through the x87 stack (`0f`, `0.0`, garbled `fyl2x`
- chains). This was necessary: **three of the four load-bearing numbers in
- this subsystem are invisible in the pseudo-C.**
-3. **The shipped dats** — `%USERPROFILE%\Documents\Asheron's Call\*.dat`,
- walked with an independent Python B-tree reader using retail's byte order
- (not DRW's). All 190 sound tables and 786 waves parsed cleanly, which is
- itself an external cross-check that DRW's layout is right.
-
-Scratchpad tooling: `lane4_pe.py` (PE/VA reader + xref scan),
-`lane4_datscan3.py` (dat B-tree + SoundTable/Wave scanner).
-
----
-
-## 0. Retail function map (VA, imagebase 0x400000)
-
-| Symbol | VA |
-|---|---|
-| `CSoundTable::UnPack` | `0x00551CD0` |
-| `SoundTableData::UnPack` | `0x00552370` |
-| `SoundTableData::Lookup` | `0x005520A0` |
-| `CSoundTable::Lookup` | `0x00552100` |
-| `SoundManager::GetSound` | `0x00550680` |
-| `SoundManager::PlayProbability` | `0x005500E0` |
-| `SoundManager::GetAttenuation` | `0x00550020` |
-| `SoundManager::PlaySoundInternal(buf, Position*, vol, isAmbient)` | `0x00550170` |
-| `SoundManager::PlaySoundInternal(buf, pan, vol)` | `0x0054FEC0` |
-| `SoundManager::CreateSound` | `0x00550BF0` |
-| `SoundManager::PlaySoundA` (4 overloads) | `0x00550730`, `0x005507A0`, `0x00550AF0`, `0x00550B70` |
-| `SoundManager::PlayAmbientSound` | `0x00550820` |
-| `SoundManager::PlaySoundFromCenter` | `0x00550950`, `0x005509E0` |
-| `DBWave::UnPack` | `0x00551B90` |
-| `SoundBuf::Create` | `0x00552930` |
-| `SoundBuf::CopyWaveToBuffer` | `0x005526D0` |
-| `Random::RollDice(float,float)` | `0x0042C600` |
-| `Random::rand` | `0x0042C4C0` |
-| `CSoundDesc::UnPack` | `0x005028D0` |
-| static init `VOL_MIN_DIST_SQ = 5f*5f` | `0x00706490` |
-
-### Constants recovered from the binary (all elided by BN)
-
-| Address | Type | Value | Meaning |
-|---|---|---|---|
-| `0x007CAEAC` | f32 | **5.0** | `VOL_MIN_DIST` — falloff onset, metres |
-| `0x0086F404` | f32 | **25.0** | `VOL_MIN_DIST_SQ` (runtime-init `5*5`; BN printed `0f` because it reads the zero-filled file image) |
-| `0x00794EE0` | f64 | **2.0** | log base → the `fyl2x` chain is `log2(v)` |
-| `0x007CAF48` | f64 | **6.0206** | `= 20·log10(2)`; with the above → `dB = 20·log10(v)` |
-| `0x0081F060` | i32 | **-50** | `SoundManager::VOL_MIN`, in **dB** (never written; 3 read-only xrefs) |
-| `0x007CAF50` | f32 | **1/32767** (3.0518509e-05) | `PlayProbability` rand normaliser |
-| `0x00797D50` / `0x00797D48` | f64 | 4.656613057e-10 / **0.99999988** | `Random::rand` scale + hard clamp → **rand ∈ [0, 0.99999988], never 1.0** |
-| `0x007CAF58` | f64 | **-15.0** | pan scale (note the sign) |
-| `0x007991B0` | f64 | **5.0** | pan distance gate, metres |
-| `0x0079B504` | f32 | 0.0174532924 | deg→rad |
-| `0x0079B6B8` / `0x0079BC8C` | f64/f32 | 360.0 / 180.0 | heading wrap |
-
-`SoundBuf` setters (`0x00552D80` region): `SetVolume(vol * 100)` via
-`IDirectSoundBuffer` vtable `+0x3C`, `SetPan(pan * 100)` via `+0x40`. So
-GetAttenuation's integer output is **decibels**, ×100 = DirectSound
-centibels; pan is `±15` ×100 = `±1500` of DirectSound's `±10000` range.
-
----
-
-## 1. SoundTable wire format — retail vs DRW vs ours
-
-### 1a. Retail structure (recursive), from `SoundTableData::UnPack` @ `0x00552370`
-
-```
-CSoundTable // DBObjType 0x22, id range 0x20000000..0x2000FFFF
- [DBObj header: u32 id]
- SoundTableData root
- [pad to 4-byte boundary, zero-filled] // CSoundTable::UnPack tail
-
-SoundTableData:
- u32 m_hashKey // the SoundType this node answers to
- u32 num_stdatas_
- SoundData[num_stdatas_] // 16 bytes each, read ONLY if arg3 >= 0x10
- u32 sound_id_ // DataID → Wave (0x0A00xxxx); 0 = none
- float priority_
- float probability_
- float volume_
- u32 numChildren
- SoundTableData[numChildren] // RECURSIVE
-```
-
-Header struct (`acclient.h:31197`) confirms the 16-byte `SoundData` field
-order verbatim:
-
-```c
-struct __cppobj SoundData {
- IDClass<_tagDataID,32,0> sound_id_;
- float priority_;
- float probability_;
- float volume_;
-};
-```
-
-Two details worth writing down:
-
-* **Default-init before reading.** The freshly allocated entry array is
- memset to `{id=0, priority=0.0f, probability=1.0f, volume=1.0f}`
- (`0x005523D9`–`0x005523E1`: two `0x3F800000` stores). If the version/size
- argument `arg3 < 0x10`, retail *keeps those defaults* rather than failing.
- Probability defaults to **1.0**, not 0.
-* **Eager wave preload.** For every non-zero `sound_id_`, UnPack calls
- `SoundManager::CreateSound(id)` — which refcount-bumps or allocates a
- `SoundBufRef` + `SoundBuf` immediately. Retail creates the DirectSound
- buffer for **every wave a table references at table-load time**, not on
- first play. We are lazy-on-first-play (`DatSoundCache.GetWave`). Benign
- divergence, but it's why retail never has a first-hit decode stall.
-
-`CSoundTable::Lookup(SoundType)` → `SoundTableData::Lookup` is a plain
-intrusive-hash probe over the **children** (`hashKey % m_numBuckets`, walk
-`m_hashNext`). So SoundType→variants lives one level down; the root's own
-entry array is separate.
-
-### 1b. DRW's flattened parse (`SoundTable.generated.cs`, `SoundData/SoundEntry/SoundHashData.generated.cs`)
-
-DRW reads exactly the same bytes in exactly the same order, but re-expresses
-the depth-2 tree as two dictionaries:
-
-| Retail field | DRW field | Match |
-|---|---|---|
-| root `m_hashKey` | `SoundTable.HashKey` (i32) | ✅ |
-| root `num_stdatas_` | `Hashes` count (i32) | ✅ |
-| root `SoundData[i].sound_id_` | `Hashes` **key** (u32) | ✅ |
-| root `SoundData[i].{priority_, probability_, volume_}` | `SoundHashData.{Priority, Probability, Volume}` (3× f32) | ✅ exact order |
-| root `numChildren` | `Sounds` count (i32) | ✅ |
-| child `m_hashKey` | `Sounds` **key** cast to `Enums.Sound` (u32) | ✅ |
-| child `num_stdatas_` | `SoundData.Entries` count (u32) | ✅ |
-| child `SoundData[i]` | `SoundEntry.{Id, Priority, Probability, Volume}` (`QualifiedDataId` = 1× u32, then 3× f32) | ✅ exact order |
-| child `numChildren` | `SoundData.Unknown` (i32) | ⚠️ **read and discarded** |
-
-**The one structural divergence: DRW is not recursive.** It assumes depth
-exactly 2 and swallows the grandchild count as `Unknown`. A depth-3 table
-would desynchronise the reader from that point on. Measured on the shipped
-dats: **0 of 190 tables have grandchildren**, and `Unknown` is 0 everywhere,
-so DRW is correct on retail content. It would silently mis-parse custom
-content. Worth a comment in our tree, not a fix.
-
-DRW's own tests (`DatReaderWriter.Tests/DBObjs/SoundTableTests.cs`,
-`WaveTests.cs`) are **write-then-read round-trips only** — they prove
-Pack/Unpack agree with each other, not with retail. The retail-layout
-evidence is (a) the `SoundTableData::UnPack` disassembly above and (b) my
-independent Python parse of all 190 real tables.
-
-### 1c. What the real dats actually contain
-
-Scanned `client_portal.dat` (926 MB, 79,694 files). Waves and sound tables
-live **only** in the portal dat (the "hits" in `client_cell_1.dat` at
-`0x0A00FFFF`/`0x2000xxxx` are id-range collisions with cell ids, not audio).
-
-| Measurement | Value |
-|---|---|
-| Waves (`0x0A00xxxx`) | **786** |
-| Sound tables (`0x2000xxxx`) | **190** |
-| Distinct SoundTypes used across all tables | 123 |
-| Root `num_stdatas_` | **always exactly 1, always `sound_id_ == 0`** (a dummy; retail skips it because `CreateSound` is gated on `id != 0`) |
-| Per-SoundType entry counts | **`1` × 4,183 … and `2` × 1** |
-| Tables with depth > 2 | 0 |
-
-The single multi-variant sound in the entire game:
-
-```
-table 0x200000A8, SoundType 31 (0x1F = Swoosh2), 2 entries:
- wave 0x0A000519 priority 0.9 probability 1.0 volume 1.0
- wave 0x0A00051E priority 0.9 probability 1.0 volume 1.0
-```
-
-This single fact reframes the whole "variation" story: **AC's per-object
-sound variation is not driven by multi-entry lists.** The `Swoosh1/2/3`,
-`Attack1/2/3`, `Wound1/2/3` *SoundType triples* are the variation mechanism;
-the entry list under each type is a singleton. Our `SoundCookbook` doc
-comment ("3 swoosh variants", "footsteps sound slightly different each
-step") describes a mechanism that has exactly one instance in the shipped
-data.
-
-Field value distributions across all 4,184 entries:
-
-| Field | Distribution | Verdict |
-|---|---|---|
-| `probability_` | 3,498 × 1.0; **686 entries < 1.0** — 0.7 (249), 0.8 (129), 0.6 (108), 0.9 (74), 0.05 (53), 0.5 (21), 0.1 (19), 0.75 (11), **0.0001 (6)**, 0.02/0.03/0.01/0.003/0.15/0.2/0.3/0.95 (tail) | **linear chance in [0,1]**, honoured per-play |
-| `priority_` | float, 0.0 … 1.0. Mode 0.7 (2,315), then 0.9 (311), 0.95 (251), 0.8 (242), 0.75 (192), 0.3 (169), 0.0 (156), 1.0 (80) | **float [0,1]**, never an integer 0..7 |
-| `volume_` | mostly ≤ 1.0, but **44 entries exceed it**: 10.0 (31), 5.0 (3), 4.0 (1), 3.0 (4), 2.0 (5), 1.3 (1) | **unbounded linear gain**, NOT a 0..1 multiplier |
-
-### 1d. Our side
-
-`AcDream.Core.Audio.SoundEntry` (`AudioModel.cs:21-31`) is **dead code** —
-declared, documented, never constructed anywhere in `src/` or `tests/`
-(same for `ISoundCache`). The production path uses
-`DatReaderWriter.Types.SoundEntry` directly
-(`AudioHookSink.PlayFromSoundTable`). But its comments have already leaked
-into real code as facts:
-
-```csharp
-public int Priority { get; init; } // eviction ordering (0..7) ← invented
-public float Probability{ get; init; } // for entries with multiple alternatives ← half-true
-public float VolumeBase { get; init; } // 0..1 multiplier applied before falloff ← wrong
-public float PitchMin / PitchMax ← no such retail fields
-public bool Loop / Is3D ← not in SoundData; Is3D lives on SoundBuf
-```
-
-Consequences downstream (outside the strict DAT layer, but caused by it):
-
-* `OpenAlAudioEngine.cs:297` — `slot.PriorityBase = (uint)Math.Clamp((int)priority, 0, 7)`.
- Retail priority is a float in [0,1]; `(int)0.7f == 0`. **4,100+ of 4,184
- entries collapse to 0** and the 80 entries at exactly 1.0 collapse to 1.
- Priority ordering is effectively destroyed.
-* `AudioHookSink.cs:114` — `volume: Math.Clamp(entry.Volume * volumeMult, 0f, 1f)`.
- Retail clamps **after** the distance division, never the raw field (§3).
- Clamping the field flattens the 44 extended-range entries.
-
----
-
-## 2. Selection + probability — retail vs `SoundCookbook.Roll`
-
-### 2a. Retail, exactly
-
-`SoundManager::GetSound` @ `0x00550680`, hand-disassembled (BN dropped both
-the multiply and the `-1`):
-
-```
-005506ae mov ecx,[eax+0x7c] ; n = num_stdatas_
-005506b1 test ecx,ecx
-005506b3 jbe return ; n == 0 → no sound
-005506b5 push 0x3f800000 ; push 0
-005506bc call Random::RollDice ; st0 = roll, roll ∈ [0, 0.99999988]
-005506c5 mov esi,[edi+0x7c] ; esi = n
-005506c8 lea ecx,[esi-1] ; ecx = n - 1 ← !!
-005506d4 fild dword [esp+0x14] ; st0 = (float)(n-1) ; st1 = roll
-005506e0 fmul st, st(1) ; st0 = (n-1) * roll
-005506e2 call _ftol2 ; idx = (int)trunc(...)
-005506e9 cmp eax, esi
-005506eb jae return ; idx >= n → no sound (unreachable)
-005506ed ... data_[idx] copied wholesale into out
-00550717 if (out->sound_id_ != 0) → sound_hash_.find(id) → SoundBufRef*
-```
-
-Pseudocode:
-
-```
-GetSound(stype, table) -> SoundData:
- std = table.Lookup(stype); if !std or std.n == 0: return none
- roll = Random::rand() # [0, 0.99999988], NEVER 1.0
- idx = (int)(roll * (std.n - 1)) # truncate toward zero
- if idx >= std.n: return none # dead branch
- return std.data[idx] # id, priority, probability, volume
-```
-
-Then, **separately and downstream**, the *selected* entry's probability is a
-single Bernoulli gate. `PlayProbability` @ `0x005500E0`:
-
-```
-r = rand() * (1/32767) # rand() is C rand(), RAND_MAX 32767 → r ∈ [0, 1]
-return (r < probability) ? 1 : 0
-```
-
-Call sites: `PlaySoundA(SoundType, obj[, vol])` `0x00550AF0`/`0x00550B70`,
-`PlaySoundA(DataID, obj, prio, prob, vol)` `0x005507A0`,
-`PlaySoundFromCenter(SoundType, table)` `0x00550950`, and inline (same
-`rand()*1/32767 < prob` sequence, not a call) in `PlayAmbientSound`
-`0x00550820` and `PlayAmbientSoundFromCenter` `0x005508B0`. Fail → **the
-sound is simply not played**. There is no fallback entry, no retry.
-
-So retail's model is: **uniform index pick over the variant list, then an
-independent play/skip roll on the picked entry's `probability_`.** The
-probability field is *not* a selection weight and is never normalised or
-accumulated.
-
-### 2b. The `n-1` off-by-one is real, and its blast radius is one wave
-
-Because `Random::rand` is hard-clamped to 0.99999988 (`0x00797D48`), `roll *
-(n-1)` never reaches `n-1`, so **`idx ∈ [0, n-2]` and the last entry can
-never be selected.**
-
-* `n == 1` → `idx = (int)(roll * 0) = 0` ✅ correct.
-* `n == 2` → `idx` always 0; entry[1] is dead.
-* `n == 3` → `idx ∈ {0,1}`; entry[2] is dead.
-
-Measured against real data (§1c): only `0x200000A8` / SoundType 31 has
-`n == 2`, so in retail **wave `0x0A00051E` never plays.** Everything else is
-`n == 1` and unaffected.
-
-Per CLAUDE.md ("do not 'fix' the decompiled code"), the port should
-reproduce `(n-1)` verbatim with a comment citing `0x005506C8` and this
-measurement, and add a divergence-register row **only if** we deliberately
-choose `n` instead.
-
-### 2c. Our `SoundCookbook.Roll` — three distinct divergences
-
-```csharp
-if (entries.Count == 1) return entries[0]; // ← probability never consulted
-float sample = (float)rng.NextDouble();
-float cum = 0f;
-for (...) { cum += entries[i].Probability; if (sample < cum) return entries[i]; }
-return total > 0.999f ? entries[^1] : null;
-```
-
-| # | Divergence | Retail | Ours |
-|---|---|---|---|
-| D1 | **Probability is never applied on single-entry lists** | Bernoulli gate: `rand()/32767 < probability` → else silence | `entries.Count == 1` short-circuits before any roll → always plays |
-| D2 | **Selection model** | uniform index `(int)(roll·(n-1))`; probability plays no part in selection | cumulative-distribution walk weighted *by* probability |
-| D3 | **"Silence tail"** | doesn't exist as a concept; silence comes from the per-entry gate | invented: `null` when Σprobability < 1 and the sample lands past the last entry |
-
-D1 is the one that matters, because §1c says 4,183 of 4,184 entries are
-single-entry lists and **686 of them have `probability < 1.0`**. Every one
-of those is a sound retail plays *sometimes* and we play *always*. Broken
-down by SoundType (20 of 123 types affected):
-
-| SoundType | sub-1.0 probabilities present | audible symptom |
-|---|---|---|
-| 1 `Speak1` | 0.05 ×49, 0.1 ×17, 0.01–0.03 ×7, 0.15/0.2/0.3/0.5 | **creature idle chatter fires ~20× too often** — the loudest symptom by far |
-| 58 (0x3A) | **0.0001 ×6**, 0.003 ×2 | 1-in-10,000 easter-egg cues play on every trigger |
-| 12/13/14 `Wound1/2/3` | 0.7 ×~80 each, 0.8 ×8 each | 30% of wound sounds should be dropped |
-| 3/4/5 `Attack1/2/3` | 0.6 ×64/6/1, 0.8, 0.9, 0.95 | attack grunts over-fire |
-| 15 `Death1` | 0.75 ×11 | |
-| 30/31/32 `Swoosh1/2/3` | 0.6–0.8 | weapon swings over-fire |
-| 33 `Thump1` | 0.8 ×30 | |
-| 34 `Smash1` | 0.8 ×21, 0.9 ×12, 0.6 ×9 | |
-| 35 `Scratch1` | 0.9 ×42, 0.8 ×20 | |
-| 16, 24, 29, 41, 57 | 0.05 / 0.1 / 0.5 / 0.8 / 0.95 tail | |
-
-`SoundCookbook.Roll` is the **only** consumer of `Probability` in the whole
-tree (`AudioHookSink.cs:108`); nothing else applies it. So the gate is
-categorically absent from acdream today.
-
-Suggested retail-faithful shape (two separate steps, matching retail's
-split):
-
-```csharp
-// SoundManager::GetSound @ 0x00550680 — uniform index, note the (n-1).
-static SoundEntry? Pick(IReadOnlyList e, IRandom r) {
- if (e.Count == 0) return null;
- int idx = (int)(r.NextUnit() * (e.Count - 1)); // NextUnit() ∈ [0, 0.99999988]
- return idx < e.Count ? e[idx] : null;
-}
-// SoundManager::PlayProbability @ 0x005500E0 — Bernoulli gate at the play site.
-static bool PlayProbability(float p, IRandom r) => r.NextUnit() < p;
-```
-
-Note also that retail draws from **two different RNGs**: `Random::rand`
-(`0x0042C4C0`, a dual-LCG returning a float in [0, 0.99999988]) for the
-index, and C library `rand()` scaled by 1/32767 for the probability gate.
-Nothing observable depends on which we use, but the quantisation differs
-(1/32767 grid vs ~2⁻³¹), and a probability of 0.0001 needs finer than
-1/32767 granularity to be meaningful — retail's gate resolves it as
-`rand() ∈ {0,1,2,3}` out of 32768, i.e. ~1.2e-4 effective, not 1e-4.
-
----
-
-## 3. Volume, distance falloff and pan (the fields' real semantics)
-
-`SoundManager::GetAttenuation` @ `0x00550020`, disassembled and with the
-three elided constants restored:
-
-```
-GetAttenuation(float dist, float vol, int* outDb, int isAmbient) -> bool
-{
- v = (dist >= 5.0f) // VOL_MIN_DIST 0x007CAEAC
- ? (25.0f * vol) / (dist * dist) // VOL_MIN_DIST_SQ 0x0086F404
- : vol; // flat inside 5 m
- if (v > 1.0) v = 1.0; // clamp AFTER the division
- v *= isAmbient ? ambient_sound_volume : effect_sound_volume;
- if (!(v > 0.0)) { *outDb = VOL_MIN; return false; }
- dB = (int)ceil( log2(v) * 6.0206 ); // == 20*log10(v)
- if (dB < VOL_MIN /* -50 */) { *outDb = VOL_MIN; return false; }
- *outDb = dB; return true; // caller: SetVolume(dB * 100) centibels
-}
-```
-
-Three facts our `AudioFalloff` gets wrong:
-
-* **Min distance is 5 m, not 1 m.** `AudioFalloff.AttenuationAt(d,
- minDistance = 1.0f)` defaults to a 1 m plateau; retail's is 5 m and the
- numerator is `minDistance²` = 25.
-* **`volume_` is not bounded by 1.** Because the clamp is applied to
- `25·vol/d²`, a `volume_` of 10 means "hold full loudness out to
- `d = √(25·10) ≈ 15.8 m`, then inverse-square". Clamping the field to
- [0,1] (as `AudioHookSink.cs:114` does) shrinks the plateau of all 44
- extended-range entries from ~15.8 m back to 5 m — a 3× audible-range loss
- on wound/death/impact/ambient sounds (types 12/13/14/15, 18–26, 30, 33,
- 35, 57, 66, 95/96, 149, 152/153).
-* **`VOL_MIN = -50 dB`** is the cut-off; below it the sound is not started
- at all (`return false` → caller skips `PlaySoundInternal`).
-
-Pan (`PlaySoundInternal(buf, Position*, vol, isAmbient)` @ `0x00550170`):
-
-```
-heading = Frame::get_heading(player_position_.frame)
-dist = Position::distance(soundPos, player_position_)
-bearing = Position::heading(soundPos, player_position_) // note: from the SOUND
-pan = 0
-if (s_SoundFeatures != 1) {
- a = fmod(bearing - heading, 360.0); if (a > 180.0) a -= 360.0
- if (abs((int)dist) >= 5.0) // 0x007991B0
- pan = (int)( sin(a * pi/180) * -15.0 ) // 0x007CAF58, note the sign
-}
-if (GetAttenuation(dist, vol, &dB, isAmbient)) PlaySoundInternal(buf, pan, dB)
- → SoundBuf::Play → SetPan(pan*100), SetVolume(dB*100)
-```
-
-So retail pan is `sin(Δbearing)` scaled to **±15 → ±1500 centibels**, i.e.
-only 15% of DirectSound's ±10000 range, and **zero inside 5 m**. Our
-`AudioFalloff.PanFromRelative(relativeX, panRange = 20f)` is a linear
-`x/20` clamp on a listener-relative X — a different model with a different
-saturation curve and no near-field dead zone. (The `-15.0` sign also needs a
-live A/B before trusting the left/right orientation.)
-
-Also from `PlaySoundInternal` @ `0x0054FEC0`: the playing-buffer ring is
-indexed `(curr_playing_buffer_ + i) & 0x8000000F` over `i < 0x10` —
-**retail has exactly 16 concurrent voices**, and the steal decision compares
-the candidate slot's stored `priority` (`SoundPlayingData.priority`, the
-float straight from `SoundData.priority_`) against the incoming one. That is
-what `priority_` is for; it is not an 0..7 eviction class.
-
-Finally: `AudioModel.cs`'s claim that retail is "CPU-side inverse-square,
-NOT DirectSound3DBuffer" is only half right. `SoundBuf::Create` @
-`0x00552930` requests `DSBCAPS_CTRL3D` (`0x100B0`) and QueryInterfaces
-`IDirectSound3DBuffer` when `m_3D` is set, falling back to the 2D
-pan/volume path (`0x100E0`, `CTRLVOLUME|CTRLPAN|CTRLFREQUENCY`) when the
-3D listener is unavailable. The attenuation math above is the 2D path.
-
----
-
-## 4. Wave format — retail vs DRW vs `WaveDecoder`
-
-### 4a. On-disk layout
-
-`DBWave::UnPack` @ `0x00551B90`:
-
-```
-u32 headerSize // format-chunk size
-u32 dataSize
-byte[headerSize] header // raw WAVEFORMATEX, no RIFF wrapper
-byte[dataSize] data
-```
-
-(The allocation order in the disassembly is data-buffer first, header-buffer
-second, but the *read* order is header then data — `memcpy(fmt, p,
-headerSize); p += headerSize; memcpy(data, p, dataSize)`.)
-
-DRW's `Wave.Unpack` reads `headerSize, dataSize, header[], data[]` — **exact
-match**. Our `WaveDecoder`'s documented layout is also exact. ✅
-
-`acclient.h:1199` `tWAVEFORMATEX` is `#pragma pack(1)`:
-`wFormatTag u16, nChannels u16, nSamplesPerSec u32, nAvgBytesPerSec u32,
-nBlockAlign u16, wBitsPerSample u16, cbSize u16` = 18 bytes. Our
-`WaveDecoder` offsets (0, 2, 4, 14) match. ✅
-
-### 4b. What retail does with a non-PCM wave
-
-`SoundBuf::Create` @ `0x00552930`:
-
-```
-wf = DBObj::Get(QualifiedDataID(waveId, 0x0F /*DB_TYPE_WAVE*/)) // + 0x38 → WaveFile
-if (wf->m_pwfmt->wFormatTag == 1) { // PCM
- bufsize = wf->m_nDataSize
-} else { // anything else
- dst = { wFormatTag=1, nChannels=1, nSamplesPerSec=11025,
- nAvgBytesPerSec=22050, nBlockAlign=2, wBitsPerSample=16, cbSize=0 }
- acmStreamOpen(&phas, NULL, wf->m_pwfmt, &dst, ...)
- acmStreamSize(phas, wf->m_nDataSize, &bufsize, 0)
-}
-CreateSoundBuffer(bufsize) ; CopyWaveToBuffer(this, wf)
-if (non-PCM) { acmStreamClose(phas); phas = NULL; }
-```
-
-`SoundBuf::CopyWaveToBuffer` @ `0x005526D0`:
-
-```
-Lock(buf, 0, bufsize, &p1, &n1, &p2, &n2, 0)
-if (phas == NULL) memcpy(p1, wf->m_pData, ...) [+ wrap-around memcpy into p2]
-else acmStreamPrepareHeader / acmStreamConvert / acmStreamUnprepareHeader
-Unlock(...)
-```
-
-So: **retail does not decode compressed waves itself.** It hands the source
-`WAVEFORMATEX` to the Windows ACM (`msacm32`) and converts straight into the
-locked DirectSound buffer, with a **hard-coded destination format of PCM
-mono 11,025 Hz 16-bit**. Everything else is a raw `memcpy` of the dat bytes.
-Our `AudioModel.cs` comment "we decode MP3 to PCM once at load (same as
-retail does for long clips)" is right in spirit — retail decodes the whole
-buffer once at `Create` time, not streaming — but the target format detail
-is a concrete portable fact we should match if we ever add the decoder.
-
-### 4c. Do we decode MP3 at all? No — and it costs exactly one wave
-
-`grep` over `src/` and every `*.csproj`: **no MP3 or ADPCM decoder, and no
-NAudio / NLayer / mpg123 package reference exists.** `WaveDecoder.Decode`
-returns `null` for any `wFormatTag != 1`, `DatSoundCache` files the id in
-`_negativeWaveIds`, and the sound is permanently silent.
-
-Measured cost, `client_portal.dat`:
-
-| Format tag | Count |
-|---|---|
-| `0x0001` PCM | **785** |
-| `0x0055` MPEGLAYER3 | **1** |
-
-The single MP3 is **wave `0x0A000393`**, header 30 bytes, data 5,120 bytes:
-
-```
-55 00 wFormatTag = 0x0055 MPEGLAYER3
-01 00 nChannels = 1
-11 2b 00 00 nSamplesPerSec = 11025
-c4 09 00 00 nAvgBytesPerSec = 2500 (20 kbps → ~2.05 s of audio)
-01 00 nBlockAlign = 1
-00 00 wBitsPerSample = 0
-0c 00 cbSize = 12
-01 00 wID = MPEGLAYER3_ID_MPEG
-02 00 00 00 fdwFlags = MPEGLAYER3_FLAG_PADDING_OFF
-04 01 nBlockSize = 260
-02 00 nFramesPerBlock = 2
-71 05 nCodecDelay = 1393
-```
-
-**Verdict on the "MP3-sourced waves are silently broken" hypothesis: true
-but immaterial — 1 wave of 786 (0.13%), one ~2-second mono cue.** Adding an
-MP3 decoder is a footnote, not a P0. There are **no ADPCM (`0x0002`) waves
-at all.**
-
-### 4d. Real-wave PCM parameter ranges (what our decoder must survive)
-
-| Parameter | Distribution across the 785 PCM waves |
-|---|---|
-| header size | 18 bytes (all of them) |
-| channels | mono 772, **stereo 14** |
-| bits/sample | 16 × 714, **8 × 71** |
-| sample rate | 11025 (471), 22050 (164), 44100 (89), 8000 (25), 32000 (20), 16000 (10), plus 5500/6000/7333/8287/12000 singletons |
-
-`WaveDecoder.Decode` handles all of this correctly (it reads the real
-`nChannels`/`nSamplesPerSec`/`wBitsPerSample` and returns the raw bytes).
-Two things to check downstream, outside this lane: (a) 71 waves are **8-bit
-unsigned PCM** — OpenAL needs `AL_FORMAT_MONO8`/`STEREO8`, and 8-bit PCM in
-WAV is *unsigned* while 16-bit is signed; (b) the odd rates
-(5500/7333/8287) are fine for OpenAL but will resample.
-
-Minor: `WaveDecoder` guards `header.Length < 14` and reads bits at offset 14
-only when `Length >= 16`. Every real wave is 18 or 30 bytes, so the fallback
-`bitsPer = 16` never fires on retail data — but note the MP3 header has
-`wBitsPerSample == 0`, which the current `bitsPer == 0 ? 16` fallback would
-silently paper over if MP3 ever reached that line.
-
----
-
-## 5. `CSoundDesc` — what it actually is (not the per-object table)
-
-`acclient.h:53246`: `CSoundDesc` is a member of **`CRegionDesc`**, alongside
-`SkyDesc`, `CSceneDesc`, `CTerrainDesc`, `FogDesc`:
-
-```c
-struct __cppobj CSoundDesc { AC1Legacy::SmartArray stb_desc; };
-```
-
-`CSoundDesc::UnPack` @ `0x005028D0` = `u32 count` + `AmbientSTBDesc[count]`,
-which DRW's `SoundDesc.Unpack` matches exactly. ✅
-
-So **`CSoundDesc` is the region's ambient sound-table list, not the
-per-object sound-table pointer.** It feeds `PlayAmbientSound` /
-`PlayAmbientSoundFromCenter`.
-
-The per-object path is different. `CPhysicsObj::sound_table` (`acclient.h`
-offset via `arg2->sound_table` in `PlaySoundA` @ `0x00550B20`) is resolved
-from a **DataID on the object**, with a Setup-level default:
-
-* `0x00514F76` — `id = desc->stable_id.id`; if non-zero,
- `sound_table = DBObj::Get(QualifiedDataID(id, 0x22))`.
-* `0x00513A00` — `id = setup->default_stable_id.id`, same resolution.
-* Sibling field `phstable_id` / `default_phstable_id` is the *physics-script*
- table, a separate thing.
-* `stable_id` / `phstable_id` are wire-serialised
- (`0x0051DAEC`, `0x0051DB03`) — i.e. the server can override the Setup's
- default per object.
-
-`PlaySoundA(SoundType, CPhysicsObj*)` therefore reads
-`obj->sound_table`, calls `GetSound(stype, table)`, gates on
-`PlayProbability`, and plays at `obj->m_position`. Our
-`IEntitySoundTable.GetSoundTableId(entityId)` seam is the right shape; the
-resolution order to match is **`stable_id` from the object's physics desc,
-falling back to the Setup's `default_stable_id`**.
-
----
-
-## 6. Test inventory — golden vs self-referential
-
-| File | Verdict |
-|---|---|
-| `SoundIdConformanceTests.cs` (272 lines) | ✅ **Genuine golden conformance.** A 205-entry table transcribed from `acclient.h:4569 enum SoundType`, cross-checked against ACE and DRW, with tests for exact values, no extras, dense coverage to `0xCC`, and agreement with the DRW enum used at runtime. This is the model the rest of the lane should follow. |
-| `WaveDecoderTests.cs` (104 lines) | ⚠️ **Synthetic, hand-built headers; no dat-derived golden values.** It builds an 18-byte PCM header with plausible values (mono/22050/16 — a rate that exists in the dats, so plausible) and asserts our own parse. `Decode_Mp3Header_ReturnsNull` and `Decode_AdpcmHeader_ReturnsNull` **pin the missing-decoder behaviour as correct** — they will have to be inverted when a decoder lands. No test exercises the real 8-bit or stereo waves, or the real MP3's `wBitsPerSample == 0`. |
-| `DatSoundCookbookTests.cs` → `SoundCookbookTests.cs` (97 lines) | ❌ **Entirely self-referential, and it locks in the wrong model.** `Roll_WeightedEntries_DistributionMatches` asserts 50/30/20 split from a CDF walk; `Roll_SilenceTail_ReturnsNullOccasionally` asserts the invented 40%-silence tail; `Roll_SingleEntry_AlwaysReturnsIt` explicitly asserts the D1 bug (a 0.5-probability single entry returns unconditionally). Zero retail anchors. Every one of these five tests must change when §2 is ported. |
-| `DatSoundCacheTests.cs` (245 lines) | ✅ **Correctly scoped and honest** — LRU eviction order, byte accounting, negative-result memoisation, oversize bypass, concurrent-decode dedup. It's infrastructure, not retail behaviour, and it doesn't pretend otherwise. Only caveat: `GetWave_UnsupportedFormat_...` uses `MakeMp3Wave` and asserts the null path, same "pins a gap as correct" note as above. |
-| DRW's `SoundTableTests.cs` / `WaveTests.cs` | ⚠️ Round-trip only (write then read). Prove Pack↔Unpack symmetry, prove nothing about retail's layout. |
-
-**Nothing in the tree conformance-tests the SoundTable byte layout, the
-selection algorithm, the probability gate, the attenuation curve, or the
-priority/volume semantics against retail.** The only golden table is the
-SoundType enum.
-
----
-
-## 7. Divergence list, ranked by audible impact
-
-| # | Divergence | Evidence | Audible symptom | Fix size |
-|---|---|---|---|---|
-| **1** | **`probability_` is never applied.** `SoundCookbook.Roll` returns single-entry lists unconditionally, and 4,183 of 4,184 real entries are single-entry — 686 of those have probability < 1.0. | `SoundCookbook.cs:44`; `PlayProbability` @ `0x005500E0`; dat scan §1c/§2c | Creature idle chatter (`Speak1`, 49 entries at 5%) fires ~20× too often; wound/attack/swoosh/impact sounds never drop; six 0.01%-chance easter eggs play every time. **This is the single loudest wrong thing in the audio stack.** | small — add a Bernoulli gate at the play site |
-| **2** | **`priority_` treated as `int` 0..7.** Retail is a float in [0,1] driving 16-voice steal ordering. | `AudioModel.cs:24` comment; `OpenAlAudioEngine.cs:297` `(uint)Math.Clamp((int)priority,0,7)`; dat histogram (mode 0.7) | 4,100+ entries collapse to priority 0 → voice-steal is effectively arbitrary; important sounds (death, casting) lose to footsteps. | small — keep the float; port the ring compare from `0x0054FF70` |
-| **3** | **`volume_` clamped to [0,1] before falloff.** Retail clamps `25·vol/d²` after the division, so `volume_ > 1` extends the full-volume plateau. 44 real entries exceed 1.0 (31 at 10.0). | `AudioHookSink.cs:114`; `GetAttenuation` @ `0x00550020` with `0x0086F404 = 25.0` | Wound/death/impact/ambient sounds audible to ~5 m instead of ~15.8 m — they feel local and thin instead of carrying. | small |
-| **4** | **Falloff min-distance 1 m vs retail 5 m; no −50 dB cutoff; dB curve absent.** | `AudioFalloff.AttenuationAt` default `minDistance = 1.0f`; retail `VOL_MIN_DIST = 5.0`, `VOL_MIN = -50` dB, `dB = ceil(20·log10(v))` | Everything is quieter than retail at 1–5 m and audible far past retail's cutoff. | small |
-| **5** | **Pan model is linear `x/20`; retail is `sin(Δbearing) · ±15` with a 5 m dead zone.** | `AudioFalloff.PanFromRelative`; `0x00550170` with `0x007CAF58 = -15.0` | Wrong stereo image; near sounds pan when retail keeps them centred; overall pan ~6× stronger than retail's ±1500/±10000. Sign needs a live A/B. | small |
-| **6** | **Selection is a CDF walk, not `(int)(roll·(n-1))`.** | `SoundCookbook.cs:46-59`; `GetSound` @ `0x005506C8` | Nearly inaudible on retail data (one 2-entry sound exists). Matters only for retail-faithfulness and for custom content. Note retail's `n-1` means the last variant is **never** played — port verbatim, don't "fix". | small |
-| **7** | **Invented "silence tail"** (`null` when Σprobability < 1). | `SoundCookbook.cs:53-59` | With single-entry lists at probability 0.05, our code returns the entry (count==1 short-circuit) — so the tail is dead code that would misfire the moment multi-entry lists appear. | delete |
-| **8** | **No MP3 decoder** → `0x0A000393` (one ~2 s mono cue) is permanently silent. Retail uses winmm ACM into PCM mono/11025/16-bit. | `WaveDecoder.cs:87`; `SoundBuf::Create` @ `0x00552AD0`; dat scan (1 of 786) | One missing sound effect. **Not a P0.** | medium (needs a managed decoder) |
-| **9** | **Lazy wave load vs retail's eager `CreateSound` at table UnPack.** | `SoundTableData::UnPack` `0x00552451`; `DatSoundCache.GetWave` | Possible first-play hitch; retail has none. Architecturally our choice is better for the 30-bot fleet. | none — document |
-| **10** | **DRW's SoundTable parse is non-recursive** (grandchild count read into `SoundData.Unknown` and discarded). | `SoundData.generated.cs`; `SoundTableData::UnPack` recursion at `0x00552503` | Zero impact on retail data (0 of 190 tables nest deeper than 2). Would silently corrupt custom deep tables. | none — comment |
-| **11** | **`AcDream.Core.Audio.SoundEntry` / `ISoundCache` are dead code whose invented comments (`Priority 0..7`, `VolumeBase 0..1`, `PitchMin/Max`, `Loop`, `Is3D`) are the documented source of divergences 2 and 3.** | `AudioModel.cs:21-31, 110-115`; no constructors anywhere in `src/` or `tests/` | none directly | delete or correct — highest value per line changed |
-| **12** | **`AudioModel.cs` claims retail never uses `IDirectSound3DBuffer`.** It does, when `m_3D` is set and a 3D listener exists. | `SoundBuf::Create` `0x0055295E` (`0x100B0` = `DSBCAPS_CTRL3D`), `0x00552B58` QueryInterface | none directly; the doc misleads future work | doc fix |
-| **13** | **Voice limit unmodelled.** Retail has exactly 16 concurrent buffers with a priority-based steal. | `PlaySoundInternal` `0x0054FEC0` (`& 0x8000000F`, `i < 0x10`) | dense-combat mix density differs from retail | medium |
-
----
-
-## 8. Things worth pinning as conformance tests
-
-1. `SoundTableData` byte layout — a golden hex fixture for one real table
- (e.g. `0x200000A8`, the only 2-entry one) asserting id/priority/probability/
- volume for both entries and the root dummy `{0, …}`.
-2. `Pick()` — `n == 2` must always return index 0 (the `n-1` truncation),
- citing `0x005506C8`; `n == 1` returns index 0.
-3. `PlayProbability(0.0f)` never plays; `PlayProbability(1.0f)` always plays;
- `PlayProbability(0.05f)` over 100k trials lands in [4.7%, 5.3%].
-4. `GetAttenuation` golden rows, computed from the recovered constants:
- `(dist, vol) → dB` for `(1, 1) → 0`, `(5, 1) → 0`,
- `(10, 1) → ceil(20·log10(0.25)) = -12`,
- `(10, 10) → ceil(20·log10(1.0)) = 0` (clamped),
- `(50, 1) → ceil(20·log10(0.01)) = -40`,
- `(200, 1) → below −50 → inaudible, returns false`.
-5. Wave header parse against the real `0x0A000393` MP3 header bytes (§4c)
- and against at least one real 8-bit and one real stereo wave.
-6. A dat-backed invariant test (gated on the dats being present, like the
- existing installed-DAT gates): every SoundTable in `client_portal.dat`
- parses, root `num_stdatas_ == 1` with `sound_id_ == 0`, and no table has
- grandchildren — this is the guard that keeps DRW's flattening honest.
diff --git a/docs/research/2026-08-08-audio-retail-music-absence.md b/docs/research/2026-08-08-audio-retail-music-absence.md
deleted file mode 100644
index 3c119688..00000000
--- a/docs/research/2026-08-08-audio-retail-music-absence.md
+++ /dev/null
@@ -1,491 +0,0 @@
-# Lane 6 — Retail MUSIC system (MediaMachine / MD_Data_Sound / winmm MIDI)
-
-Read-only research note. Sources: `docs/research/named-retail/acclient_2013_pseudo_c.txt`
-(Sept 2013 EoR build, PDB-named), `acclient.h` (verbatim retail structs),
-`symbols.json`, plus `references/DatReaderWriter/`, `references/ACViewer/`,
-the retail install at `C:\Turbine\Asheron's Call\`, and the live
-`UserPreferences.ini`.
-
----
-
-## 0. Headline finding — retail EoR HAS NO MUSIC SYSTEM
-
-This is the load-bearing result and it contradicts the standing assumption in
-`docs/research/deepdives/r05-audio-sound.md` §6.
-
-Three independent pieces of evidence, all from the exact PDB-paired 2013 build:
-
-1. **`midiPlay` has zero callers.** The only three occurrences of address
- `0x00553390` in the whole 65 MB pseudo-C are the function's own
- definition/open/close lines (`acclient_2013_pseudo_c.txt:350072,350074,350133`).
- The single internal call is `midiPlayNext` → `midiPlay`
- (`:350147`), and `midiPlayNext` is itself only reachable from the
- `MidiProc` buffer-done callback (`:350223`) — i.e. it only ever advances a
- *queue that nothing ever fills*.
-2. **Both MIDI callbacks are permanently null.** `midiEventCallback` and
- `midiStartCallback` are statically initialised to 0
- (`:1185597`, `:1185598`) and there is no assignment site anywhere in the
- image. `MidiProc` null-checks them on every event and no-ops.
-3. **No music preference and no music files.** `SoundManager::InitPrefs` /
- `ShutDown` register exactly eight sound preferences —
- `SoundDisabled`, `SoundVolume`, `AmbientSoundDisabled`,
- `AmbientSoundVolume`, `InterfaceSoundDisabled`, `InterfaceSoundVolume`,
- `SoundFeatures`, `PlaySoundOnlyWhenActive` (`:346764`–`:346810` region,
- Unregister list at `:00550367`–`:005503ad`). The live
- `%USERPROFILE%\Documents\Asheron's Call\UserPreferences.ini` `[Sound]`
- section contains exactly those keys — **no music volume, no music toggle**.
- And `C:\Turbine\Asheron's Call\` contains **zero `.mid` / `.rmi` / `.mp3` /
- `.wav`** files; the only media file on disk is `turbine_logo_ac.avi`.
-4. **The word "music" does not appear anywhere in the 65 MB pseudo-C**
- (case-insensitive grep: 0 hits), and `SoundType` (the 0x00–0xCC enum,
- `acclient.h:4569`) has **no music member**.
-
-So: the client *links* a complete Microsoft-sample-derived SMF streaming
-player, initialises it at startup (`SoundManager::Init` → `midiSetup()`,
-`:346764`), tears it down at shutdown (`SoundManager::ShutDown` →
-`midiCleanup()`, `:346655`), and **never hands it a file**. It is dead
-infrastructure — a vestige of a 1999 design decision that was cut.
-
-What players actually hear as "music" in retail EoR is one of three things,
-all of them ordinary DAT `Wave` (0x0A) PCM played through the normal
-DirectSound path:
-
-| Perceived as | Actually is | Retail mechanism |
-|---|---|---|
-| Login / splash score | audio track of `turbine_logo_ac.avi` | `MD_Data_Movie` → DirectShow `IGraphBuilder` |
-| Dungeon "chanting/drums/whispers" atmosphere | UI SoundTable stingers | `CPlayerSystem::Handle_Admin__Environs` codes 0x65–0x7C |
-| Outdoor/dungeon soundscape | region ambient sound rolls | `Ambient` priority queue + `AmbientSTBDesc` |
-
----
-
-## 1. The MIDI subsystem (documented for completeness / correction of r05)
-
-Free functions, all at `0x00552f60`–`0x00553840`. It is a near-verbatim port of
-Microsoft's `MIDIPLYR` SDK sample, including the literal event name
-`"Wait For Buffer Return"` (`:350321`).
-
-| Symbol | Addr | Role |
-|---|---|---|
-| `midiSetup()` | `0x00553770` | `midiOutGetNumDevs`, fill `dwVolCache[16]`/`dwVolPctCache[16]` with 100, `CreateEventA("Wait For Buffer Return")`, `midiStreamOpen(&hStream, &uMIDIDeviceID, 1, MidiProc, 0, 0x30000)`. Sets `MidiIsSetup`. |
-| `StreamBufferSetup(char* path)` | `0x00553030` | allocates **6 buffers × 0x400 bytes** (`LocalAlloc(LMEM_ZEROINIT, 0x423)` then 32-byte-aligned), `ConverterInit(path)`, `midiStreamProperty(…, 0x80000001)` = set time division, primes all 6 via `ConvertToBuffer` + `midiOutPrepareHeader` + `midiStreamOut`. |
-| `midiPlay(path, loop, immediate, tempoMul)` | `0x00553390` | if already playing and `immediate==0` → stash into `pending`/`pending_loop`/`dwQueuedTempoMultiplier`, set `is_pending`, return (that is the "queue next track" path). Otherwise `midiStop()`, `StreamBufferSetup`, then per-channel `midiOutShortMsg(0xB0|ch, ctrl 7, vol)` for all 16 channels, `midiStreamRestart`. `tempoMul` is a percentage (default `0x64` = 100). |
-| `midiPlayNext()` | `0x005534c0` | pops `pending` → `midiPlay(pending, pending_loop, 1, …)`. |
-| `MidiProc` | `0x00553500` | `MOM_DONE` (0x3C9) refills/rotates buffers mod 6; on end-of-data (`uCallbackStatus == 0x12C`) waits for all 6 buffers back, then either `midiPlayNext()` if a track is queued or `midiStop()`. `MOM_POSITIONCB` (0x3CA) sniffs the stream: caches controller-7 volume per channel and forwards note-on/off + volume on **channels 14/15 only** to `midiEventCallback` (a game-sync hook — never installed). |
-| `midiStop()` | `0x00553240` | `midiStreamStop`, `midiOutReset`, `WaitForSingleObject(hBufferReturnEvent, 0x7D0 = 2000 ms)`, `ConverterCleanup`, `FreeBuffers`, close+reopen the stream, reset `is_pending`/`pending_loop`/`dwQueuedTempoMultiplier = 100`. |
-| `SetChannelVolume(ch, pct)` | `0x00552f60` | `midiOutShortMsg(0xB0|ch, ctrl 7, dwVolCache[ch]*pct/100)`. The only volume control; **no fade, no crossfade, no ramp anywhere**. |
-| `ConverterInit(path)` | `0x00554530` | `CreateFileA(path, GENERIC_READ, …)` → reads `'MThd'` (`0x6468544D`), byte-swaps header, `dwFormat`/`dwTrackCount`/`dwTimeDivision`, then per track reads `'MTrk'` (`0x6B72544D`) into a 0x400 window. **Standard MIDI File from a loose disk path — never from a DAT.** |
-
-### Corrections to `r05-audio-sound.md` §6
-
-| r05 claim | Verdict |
-|---|---|
-| "Music is MIDI, streamed through midiStreamOpen" | **Correct as to mechanism**, wrong as to it being used. |
-| 6 × 1024-byte buffers, "Wait For Buffer Return" event, 16-channel volume arrays | **Confirmed.** |
-| "MThd/MTrk parsing at FUN_00555150" | Right idea, wrong address in the named build: `ConverterInit` @ `0x00554530`. |
-| "pan (0x0A)" via `midiOutShortMsg` | **Not found.** Only controller **7 (volume)** is written (`SetChannelVolume`, `midiPlay`). No pan CC. |
-| "Track selection is by the game code calling `PlayMusic(path, loop)` — driven by region/area rules" | **REFUTED.** No such caller and no region→track table exists. This sentence is the source of the `PlayMusic(string resourceName, bool loop)` shape in `IAudioEngine` — that signature is an invention, not a retail port. |
-| "Recommended: convert MIDI to OGG offline" | Moot — there is no MIDI content to convert. |
-
-**Consequence for the port:** a MIDI synth is *not* needed. Neither is an OGG
-music bus. There is nothing to be faithful to.
-
----
-
-## 2. `MediaMachine` — what it actually is (a per-UI-element media bytecode VM)
-
-`MediaMachine` is **not** the music system. It is the interpreter for the
-*media script* attached to every UI element **state** in the LayoutDesc DAT.
-Playing a sound is one of its eleven instructions.
-
-### Ownership chain
-
-```
-LayoutDesc (DBObj) acclient.h:33881
- └─ ElementDesc : StateDesc acclient.h:33693
- └─ StateDesc acclient.h:33640
- └─ SmartArray m_media ← the script
-UIElement
- └─ MediaMachine m_mediaMachine acclient.h:33786
- ├─ UIElement* m_owner
- ├─ SmartArray m_array ← deep copy of the active state's m_media
- └─ unsigned m_curIndex ← the program counter
-```
-
-`MediaMachine : UIListener` (`acclient.h:33873`).
-
-### State machine (this is the whole thing)
-
-- `MediaMachine::Reset(const SmartArray&)` @ `0x00465d90`
- (`:112681`): `Cleanup()`, then deep-copy every `MediaDesc` via
- `MediaDesc::CreateMediaType(const MediaDesc*)`, set `m_curIndex = 0`, and
- immediately `Update()`. Called from `UIElement::SetState` →
- `MediaMachine::Reset(&m_mediaMachine, &m_desc.m_media)` (`:108863`), and on
- element copy (`:111688`, `:111745`).
-- `MediaMachine::Update()` @ `0x00465ba0` (`:112526`) — the interpreter loop:
- 1. `UIListener::UnRegisterForGlobalMessage(this, 3)`.
- 2. While `m_curIndex < m_array.m_num`: dispatch on `m_type - 1` through an
- 11-entry jump table (`jump_table_465cc0`, `:112621`) to the matching
- `Update_X(desc)`.
- 3. **The return value is "may I advance?"** — non-zero ⇒ `m_curIndex++` and
- continue in the same call; **zero ⇒ break** (the instruction is still
- blocking).
- 4. On break, `UIListener::RegisterForGlobalMessage(this, 3)` — i.e. subscribe
- to the per-tick global message so the machine resumes next frame.
-- `MediaMachine::ListenToGlobalMessage(msg, _)` @ `0x00465cf0`: `if (msg == 3)
- Update()`. **Global message 3 is the machine's clock.** There is no
- dedicated music/media tick.
-- `Cleanup()` @ `0x00465af0`: virtual-deletes every owned `MediaDesc`, zeroes
- the array. Called by dtor and by `Reset`.
-
-Termination: the machine runs off the end of the array and stops (no
-re-registration). A `Jump` instruction is what makes a script loop forever.
-
-### Instruction set (`MediaDesc::m_type`, 1-based)
-
-Verified from `MediaDesc::CreateMediaType(uint32_t)` @ `0x0069d420`
-(`:675786`) and each ctor's `MediaDesc::MediaDesc(this, N)`:
-
-| # | Type | Struct (acclient.h) | Blocking? | Semantics |
-|---|---|---|---|---|
-| 1 | Movie | `MD_Data_Movie` :34160 — `PStringBase m_strFileName`, `bool m_StretchToFullScreen`, `MovieTheatre*` | yes, until done | `MD_Data_Movie::Update(owner)` @ `0x0069d489`; DirectShow (`ATL::CComPtr` :34191). Requires owner visible-bit `(m_owner+0x554) >> 0x11 & 1`. |
-| 2 | Alpha | `MD_Data_Alpha` :34118 — `DID m_file` | no | alpha mask image |
-| 3 | Anim | `MD_Data_Anim` :34101 — `float m_duration`, `m_drawMode`, `SmartArray m_frames`, `double m_StartTime`, `int m_displayedFrameNum` | yes, for `m_duration` | flipbook; latches `m_StartTime` on first visit (sentinel `-1.0`) |
-| 4 | Cursor | `MD_Data_Cursor` :34168 — `DID m_file`, `int m_xHotspot`, `m_yHotspot` | no | `UIElement::SetCursor` |
-| 5 | Image | `MD_Data_Image` :34111 — `DID m_file`, `m_drawMode` | no | set the element's picture |
-| 6 | Jump | `MD_Data_Jump` :34132 — `uint m_jumpItemIndex`, `float m_probability` | no | `RollDice(0,1)` vs probability; on pass `m_curIndex = m_jumpItemIndex - 1` (then the loop's `++` lands exactly on `m_jumpItemIndex`). **This is the loop primitive.** |
-| 7 | Message | `MD_Data_Message` :34139 — `uint m_messageID`, `float m_probability` | no | `UIElement::BroadcastElementMessage(owner, m_messageID, 0, 0)` |
-| 8 | Pause | `MD_Data_Pause` :34124 — `float m_minDuration`, `m_maxDuration`, `double m_endTime` | **yes** | first visit: `m_endTime = Timer::compute_time() + RollDice(min,max)`; blocks until now ≥ endTime, then resets `m_endTime = -1.0` |
-| 9 | **Sound** | `MD_Data_Sound` :34146 — `DID m_file`, `SoundType m_stype` | no | see §3 |
-| 10 | State | `MD_Data_State` :34153 — `uint m_stateID`, `float m_probability` | terminal | probabilistic `owner->SetState(m_stateID)`; **always returns 0** (`:112068`) so the machine stops — the new state's `Reset` takes over |
-| 11 | Fade | `MD_Data_Fade` :34176 — `float m_startAlpha`, `m_endAlpha`, `m_duration`, `double m_startTime` | **yes** | see §4 |
-
-Sentinel convention: `m_StartTime` / `m_endTime` / `m_startTime` use the
-double `-1.0` (`0xBFF00000` in the high word) as "not yet started"; each
-blocking instruction resets it to `-1.0` when it completes, so a `Jump` back
-over it re-arms it.
-
-### Text/serialised form
-
-`MediaDesc::ToFileNode` / `CreateFromFileNode` (`0x0069d740` / `0x0069d7e0`)
-read a `MediaType` node (keyword `"MediaType"`, `KW_MEDIATYPE` @ `:821851`)
-under a `"Media"` node (`KW_MEDIA` @ `:821841`), enum-name table 14. Per-type
-keywords seen in the init block around `:821780`–`:821960`:
-`MinDuration`, `MaxDuration`, `Probability`, `SoundName`, `SoundTable`,
-`StartAlpha`, `EndAlpha`, `Duration`, `StateID`, `StretchToFullScreen`,
-`NoDBFile`, `PassToChildren`. `StateDesc::LoadMedia` @ `0x0069c950`
-(`:674969`) appends each parsed desc; `StateDesc::ConcatenateMedia`
-@ `0x0069c9b0` merges a parent state's script into a child's.
-
-`DatReaderWriter` already models all of this:
-`references/DatReaderWriter/DatReaderWriter/Generated/Types/MediaDesc.generated.cs`
-(abstract + `MediaType` dispatch) and `MediaDescSound.generated.cs`
-(`uint File`, `Sound Sound`). **The binary layout is `int32 mediaType, int32
-type, uint32 file, uint32 sound`** — note the doubled type field, which the
-generated reader reproduces.
-
----
-
-## 3. `MediaMachine::Update_Sound` — the authored-sound instruction
-
-`0x004658b0` (`:112264`). Full decode:
-
-```
-Update_Sound(MD_Data_Sound* d):
- if (d == null || m_owner == null) return 0; // 0 = block (dead-end)
-
- if (d->m_stype == Sound_Invalid) // 0
- # m_file is a direct Wave DID
- if (d->m_file.id != 0)
- SoundManager::PlaySoundFromCenter(d->m_file, 1.0f) # volume literal 0x3F800000
- return 1
- else
- # m_file is a SoundTable DID; look it up as DBO type 0x22
- CSoundTable* st = DBObj::Get(QualifiedDataID(d->m_file.id, 0x22))
- if (st != null)
- SoundManager::PlaySoundFromCenter(d->m_stype, st)
- return 1
- return 1 # falls through, still advances
-```
-
-Two shapes, discriminated by `m_stype`:
-
-- `m_stype == Sound_Invalid` ⇒ **`m_file` is a `Wave` DID (0x0A……)**, played at
- literal volume 1.0 via the `PlaySoundFromCenter(DID, float)` overload
- (`0x005509e0`, `:346951`) which looks the wave up in
- `SoundManager::sound_hash_`.
-- `m_stype != Sound_Invalid` ⇒ **`m_file` is a `SoundTable` DID (0x20……)** and
- `m_stype` selects the row; `PlaySoundFromCenter(SoundType, CSoundTable*)`
- (`0x00550950`, `:346927`) rolls `SoundManager::GetSound` (weighted pick over
- `SoundTableData::data_[]` with priority/probability/volume) and plays it.
-
-DBO types confirmed: `CSoundTable::GetDBOType() == 0x22` (`:349100`),
-`DBWave::Get()` uses `QualifiedDataID(id, 0xF)` (`:349327`).
-
-**Both go through the *interface* channel**, not a music channel:
-`PlaySoundFromCenter` gates on `SoundManager::interface_sounds_enabled` and
-`s_bPlaySoundOnlyWhenActive && Device::m_bIsActiveApp`, then
-`GetAttenuation(0f, vol, &out, /*isAmbient=*/0)` and
-`PlaySoundInternal(buf, /*position=*/0, vol)` — position 0 ⇒ non-positional,
-"from center". So the UI/authored-media bus == the interface-sound bus, and
-the retail Interface Sound Volume slider is its only volume control.
-
-This is the closest thing retail has to "the client plays a piece of authored
-audio because a UI state was entered" — and it is the mechanism the login
-screen and any title-card audio would use.
-
----
-
-## 4. Fades — the only fade math in the media system (and it is alpha, not audio)
-
-`MediaMachine::Update_Fade` @ `0x00465930` (`:112307`):
-
-```
-now = Timer::compute_time()
-target = owner->m_object ?? owner->m_parent->GetObjectA() # the drawable
-if (d->m_startTime == -1.0) d->m_startTime = now # latch on first visit
-
-dur = d->GetDuration() # == m_duration
-if (fabs(dur) >= 0.000199999995f) # EPSILON = 2e-4 s
- t = (now - d->m_startTime) / dur
-else
- t = 1.0f
-t = clamp(t, 0.0f, 1.0f) # two-sided clamp
-
-alpha = d->m_startAlpha + (d->m_endAlpha - d->m_startAlpha) * t # plain lerp
-target->vtable[0x48](alpha) # set element alpha
-
-if (t >= 1.0f) { d->m_startTime = -1.0; return 1 } # done → advance
-return 0 # still fading → block
-```
-
-Notable: **linear** interpolation, no easing; duration epsilon
-`2e-4 s`; a zero/short duration snaps to `endAlpha` in one tick.
-**There is no audio fade, no crossfade, and no volume ramp anywhere in
-`MediaMachine` or in the MIDI code.** `SetChannelVolume` is an instantaneous
-CC-7 write. Any crossfade in an acdream music feature would be new design, not
-a port.
-
----
-
-## 5. Trigger map — every code site that starts "music-adjacent" audio
-
-| Event | Site | What plays |
-|---|---|---|
-| UI element enters a state | `UIElement::SetState` → `MediaMachine::Reset` (`:108863`) → `Update_Sound` (`:112589`) | authored `MD_Data_Sound` (Wave DID or SoundTable+SoundType) |
-| Per-tick continuation of a blocked script | `MediaMachine::ListenToGlobalMessage(3)` → `Update` (`:112642`) | next instruction in the script |
-| UI element cleanup / hide | `MediaMachine::Cleanup` (`:109993`), `Update` (`:110007`) | — (stops the script, does **not** stop already-playing sounds) |
-| Splash / intro | `MD_Data_Movie::Update` (`:675489`) → DirectShow on `m_strFileName` | `turbine_logo_ac.avi` (its audio track *is* the theme) |
-| Teleport start (portal in) | `gmSmartBoxUI` teleport anim, `:218903` | `Sound_UI_EnterPortal` (0x6A) from `ClientUISystem::GetUISoundTable()` |
-| Teleport end (portal out, `TAS_WORLD_FADE_IN`) | `:219745` | `Sound_UI_ExitPortal` (0x6B) |
-| **Server-pushed atmosphere cue** | `CPlayerSystem::Handle_Admin__Environs(uint)` @ `0x0055de20` (`:362360`+) | codes below |
-| Landblock / cell change | `CellManager::ChangePosition` @ `0x004559b0` → `Ambient::InitSounds` (`:94714`), `LScape::add_ambient_sounds` (`:94718`), `Ambient::UpdatePlayQueue` (`:94722`), `Ambient::ReleaseSoundTables` (`:94726`) | region ambient rolls (§6) |
-| Per-frame ambient pump | `Ambient::UseTime` @ `0x00551880`, called from `:94200` | due entries from the ambient PQueue |
-
-### `Handle_Admin__Environs` — the retail "set the mood" opcode
-
-`AdminEnvirons` (acdream: `0xEA60`, `WorldSession.cs:1915`). Two disjoint
-ranges:
-
-- `1..6` → lighting/fog overrides (`LScape::m_override_*`: ambient level,
- ambient colour, fog colour, fog min/max; case 6 also sets
- `m_bRadarBlank = 1`). acdream already ports these.
-- `0x65..0x7C` → **one-shot UI-SoundTable stinger**, each
- `PlaySoundFromCenter(Sound_UI_*, GetUISoundTable())`, gated on the player
- physics object existing:
-
- | code | SoundType | | code | SoundType |
- |---|---|---|---|---|
- | 0x65 | `Sound_UI_Roar` (0x76) | | 0x6E | `Sound_UI_Drums` (0x7F) |
- | 0x66 | `Sound_UI_Bell` (0x77) | | 0x6F | `Sound_UI_GhostSpeak` (0x80) |
- | 0x67 | `Sound_UI_Chant1` (0x78) | | 0x70 | `Sound_UI_Breathing` (0x81) |
- | 0x68 | `Sound_UI_Chant2` (0x79) | | 0x71 | `Sound_UI_Howl` (0x82) |
- | 0x69 | `Sound_UI_DarkWhispers1` (0x7A) | | 0x72 | `Sound_UI_LostSouls` (0x83) |
- | 0x6A | `Sound_UI_DarkWhispers2` (0x7B) | | 0x75 | `Sound_UI_Squeal` (0x84) |
- | 0x6B | `Sound_UI_DarkLaugh` (0x7C) | | 0x76–0x7A | `Sound_UI_Thunder1..5` (0x85–0x89) |
- | 0x6C | `Sound_UI_DarkWind` (0x7D) | | (0x7B/0x7C) | tail of the Thunder run |
- | 0x6D | `Sound_UI_DarkSpeech` (0x7E) | | | |
-
- Codes `0x73`/`0x74` have no case (fall through, nothing plays). Note the
- environ code and the `SoundType` are **offset by 0x11** but not uniformly —
- the switch is explicit, so port it as an explicit table, never as arithmetic.
-
-This is *the* trigger for what players remember as dungeon "music".
-
----
-
-## 6. Region ambient soundscape — retail's real "area audio"
-
-Not music, but it is the system a "music by region" feature would have to sit
-next to, and it is the only region→audio authored data in the DATs.
-
-```
-CRegionDesc (acclient.h:53230)
- └─ CSoundDesc* sound_info :53200 — SmartArray
-CSceneType :53240 — { name, scenes[], AmbientSTBDesc* sound_table_desc }
-AmbientSTBDesc :35486 — { DID stb_id, bool stb_not_found,
- SmartArray ambient_sounds,
- CSoundTable* sound_table, uint play_count }
-AmbientSoundDesc :35496 — { SoundType stype, bool is_continuous, float volume,
- float base_chance, float min_rate, float max_rate }
-```
-
-- Selection is **per land cell, from the terrain word**: in
- `CLandBlock::add_ambient_sounds` (`:314270`+) each cell reads
- `terrainType = (t >> 2) & 0x1F` and `sceneIdx = t >> 11`, then
- `CRegionDesc::GetSTBDesc(region, terrainType, sceneIdx)` →
- `Ambient::AddSound(ambient, stbDesc, cellVertexPos)` (`:314293`).
-- `AmbientSound` is polymorphic: `ConstantSound` (continuous, tracks
- `current_volume`) and `IntermitSound` (per-`LandDefs::Direction` `min_dist[8]`
- / `max_dist[8]` arrays + `play_chance`) — `acclient.h:52830`, `:52856`.
-- Scheduling is an absolute-deadline priority queue:
- `Ambient::Play` @ `0x005517a0` (`:347826`) → `CanHear()`, `PlayNow()`,
- `GetSoundPos()`; positional ⇒ `PlayAmbientSound`, non-positional ⇒
- `PlayAmbientSoundFromCenter`; then
- `PQueueArray::Insert(sound_queue, Timer::cur_time + GetPlayInterval(), snd)`
- and `on_queue = 1`. `Ambient::UseTime` pops due entries.
-- Ambient volume path: `PlayAmbientSoundFromCenter` @ `0x005508b0`
- multiplies by `SoundManager::ambient_sound_volume`, rolls
- `rand() * 3.05185094e-05f` (= `1/32768`) against the entry probability, then
- `GetAttenuation(0, vol, &out, /*isAmbient=*/1)`.
-
----
-
-## 7. Cross-reference results
-
-- **`references/ACViewer/`** — grep for `midi|music` over all `*.cs`: only
- three hits, all unrelated (`WeenieClassName.cs`, `SoulEmote.cs`). **ACViewer
- implements no music and no MIDI.** It is not an oracle here, and its silence
- is itself corroboration that there is nothing to load.
-- **`references/DatReaderWriter/`** — no music/MIDI DBObj type exists. Audio
- surface is exactly two DBObjs:
- - `Wave` — `DBObjType.Wave`, range **`0x0A000000`–`0x0A00FFFF`**, layout
- `int32 headerSize, int32 dataSize, byte[] header, byte[] data`
- (`DBObjs/Wave.generated.cs`). The `header` is a `WAVEFORMATEX` blob;
- the body can be PCM **or MP3** (retail decodes via winmm ACM).
- - `SoundTable` — `DBObjType.SoundTable`, range **`0x20000000`–`0x2000FFFF`**,
- `int32 HashKey`, `Dictionary`,
- `Dictionary` with `SoundEntry { QualifiedDataId Id,
- float Priority, Probability, Volume }`.
- - `MediaDesc*` types are all present (§2), including `MediaDescSound`.
- - **There is no `0x25……` music table and no MIDI DAT type.** (`0x25……` is
- the `RegionDesc`/`Region` family, not music.)
-
----
-
-## 8. Answers to the five questions
-
-**1. Formats and where the bytes live.**
-Retail's *only* music-capable path is winmm `midiStream*` fed a **Standard MIDI
-File read from a loose disk path via `CreateFileA`** — never from a DAT. No
-DirectMusic, no MP3-as-music, no `0x25……` music table. That path is never
-invoked and **no `.mid` ships with the client**. All audio the client actually
-plays is DAT `Wave` (`0x0A000000`–`0x0A00FFFF`, PCM or MP3-in-WAVEFORMATEX)
-selected either directly by DID or through `SoundTable`
-(`0x20000000`–`0x2000FFFF`). The one long-form musical asset that ships is the
-audio track of `turbine_logo_ac.avi`, played by DirectShow.
-
-**2. The MediaMachine state machine.**
-It is not a music machine — it is an 11-opcode media bytecode VM per UI
-element state, with `m_curIndex` as PC, "may I advance?" booleans as the
-blocking protocol, global message 3 as the clock, `Jump` as the loop
-primitive, `State` as the terminal instruction, and `-1.0` double sentinels for
-"not yet armed". Full opcode table and per-opcode decode in §2; `Update_Sound`
-in §3; `Update_Fade` (linear alpha lerp, 2e-4 s duration epsilon) in §4.
-
-**3. Trigger map.** §5. Region/landblock entry drives *ambient*, not music.
-Portal in/out and the 24 `AdminEnvirons` codes `0x65–0x7C` drive the
-atmosphere stingers. UI state entry drives authored `MD_Data_Sound`. Login/
-intro music is a movie file. Nothing anywhere starts a music track.
-
-**4. Does a modern port need a MIDI synth?** **No.** There is no MIDI content
-and no code that would play it; EoR-era audio is 100% sampled. ACViewer
-implements nothing here either. Building a synth (or an OGG music bus) would be
-new feature design with no retail referent — and per CLAUDE.md that is a
-"different feature", not a port, so it needs explicit approval.
-
-**5. Rough port scope.**
-
-- **Delete the false surface (smallest, highest value).**
- `IAudioEngine.PlayMusic(string resourceName, bool loop)` /
- `StopMusic()` in `src/AcDream.Core/Audio/AudioModel.cs:102-103`, their
- no-op bodies in `src/AcDream.App/Audio/OpenAlAudioEngine.cs:386-387`, and
- `MusicVolume` at `AudioModel.cs:84` / `OpenAlAudioEngine.cs` are modelled on
- a retail feature **that does not exist**. `resourceName` as a *string path*
- is itself a tell — every other audio entry point in the engine is DID-keyed.
- A retail-faithful engine has three buses (SFX / Ambient / Interface), not
- four. Removing them retires a divergence rather than creating one; if they
- stay, they need a `retail-divergence-register.md` row explaining that they
- model dead retail code. Also worth a look:
- `src/AcDream.UI.Abstractions/Panels/Settings/SettingsPanel.cs:260` comments
- the music path as "stubbed for R5 MIDI", and retail's Settings has no music
- slider at all.
-- **Correct the record.** `docs/research/deepdives/r05-audio-sound.md` §6 and
- its executive-summary table row ("MIDI music | winmm midiStream | Loose
- `*.mid` files on disk") should carry the "infrastructure present, never
- invoked, no content ships" finding — see the correction table in §1. That
- table row is what produced the phantom API.
-- **The genuinely missing retail behavior, in cost order:**
- 1. **`AdminEnvirons` sound cues** (24 codes → `Sound_UI_*` via the UI
- SoundTable). acdream already parses these and already has
- `RuntimeEnvironmentSoundCue`, with
- `src/AcDream.Runtime/World/RuntimeWorldEnvironmentState.cs:214-239`
- logging `audio binding pending`. This is a table + one `PlayUi` call —
- the cheapest real retail-fidelity win in the whole lane.
- 2. **`MediaDescSound` in the LayoutDesc importer.**
- `src/AcDream.App/UI/Layout/LayoutImporter.cs:464-489` reads
- `MediaDescImage` and `MediaDescCursor` from each state's media list and
- ignores everything else. Adding the Sound opcode (two shapes per §3, both
- routed to the interface bus) gives retail's authored UI sounds for free —
- `DatReaderWriter` already parses the type.
- 3. **Region ambient system** (§6): `AmbientSTBDesc` selection from the
- terrain word on landblock change, `ConstantSound`/`IntermitSound`, the
- absolute-deadline PQueue, `ambient_sound_volume`. This is the real
- "area audio" and it is what `StartAmbient`/`StopAmbient`
- (`OpenAlAudioEngine.cs:367-385`, currently handle-reservation only) exist
- to serve. Multi-commit; belongs in a roadmap phase, not an issue.
- 4. **`MediaMachine` proper** (Pause/Jump/Anim/Fade/State scripting) — only
- if animated UI states become a goal. Not required for audio.
-- **Explicitly out of scope for a faithful port:** MIDI playback, a soundfont
- synth, crossfades, a music bus, region→track tables. None exist in retail.
-
----
-
-## 9. Anchors (for citation in code comments)
-
-| Symbol | Address | pseudo-C line |
-|---|---|---|
-| `SoundManager::Init` (calls `midiSetup`) | `0x00550640` | 346753 |
-| `SoundManager::ShutDown` (calls `midiCleanup`) | `0x005502b0` | ~346580 |
-| `midiSetup` | `0x00553770` | 350282 |
-| `midiPlay` (**no callers**) | `0x00553390` | 350072 |
-| `midiPlayNext` | `0x005534c0` | 350138 |
-| `midiStop` | `0x00553240` | 349978 |
-| `midiCleanup` | `0x00553350` | 350047 |
-| `MidiProc` | `0x00553500` | 350152 |
-| `StreamBufferSetup` | `0x00553030` | 349843 |
-| `ConverterInit` (MThd/MTrk) | `0x00554530` | 351254 |
-| `SetChannelVolume` | `0x00552f60` | 349787 |
-| `midiEventCallback` / `midiStartCallback` (= 0) | `0x0086fa70` / `0x0086fa74` | 1185597–8 |
-| `MediaMachine::Update` | `0x00465ba0` | 112526 |
-| `MediaMachine::Reset` | `0x00465d90` | 112681 |
-| `MediaMachine::Cleanup` | `0x00465af0` | 112475 |
-| `MediaMachine::ListenToGlobalMessage` | `0x00465cf0` | 112638 |
-| `MediaMachine::Update_Sound` | `0x004658b0` | 112264 |
-| `MediaMachine::Update_Fade` | `0x00465930` | 112307 |
-| `MediaMachine::Update_Pause` | `0x00465520` | 111937 |
-| `MediaMachine::Update_Jump` | `0x004655b0` | 111983 |
-| `MediaDesc::CreateMediaType(uint)` | `0x0069d420` | 675786 |
-| `MD_Data_Sound::MD_Data_Sound` (type 9) | `0x0069e5f0` | 677163 |
-| `MD_Data_Sound::Serialize` | `0x0069e670` | 677192 |
-| `StateDesc::LoadMedia` | `0x0069c950` | 674969 |
-| `SoundManager::PlaySoundFromCenter(SoundType, CSoundTable*)` | `0x00550950` | 346927 |
-| `SoundManager::PlaySoundFromCenter(DID, float)` | `0x005509e0` | 346951 |
-| `SoundManager::PlayAmbientSoundFromCenter` | `0x005508b0` | 346893 |
-| `CPlayerSystem::Handle_Admin__Environs` | `0x0055de20` | ~362360 |
-| `Ambient::Play` | `0x005517a0` | 347826 |
-| `Ambient::UseTime` | `0x00551880` | 347957 |
-| `CellManager::ChangePosition` (ambient re-init) | `0x004559b0` | 94601 |
-| `CSoundTable::GetDBOType` (= 0x22) | `0x00552560` | 349100 |
-| `DBWave::Get` (QDID type 0xF) | `0x00552880` | 349327 |
-| `enum SoundType` (0x00–0xCC) | — | `acclient.h:4569` |
-| `MediaMachine` / `MediaDesc` / `MD_Data_*` structs | — | `acclient.h:33873, 33907, 34101–34182` |
diff --git a/docs/research/2026-08-08-audio-retail-server-sounds.md b/docs/research/2026-08-08-audio-retail-server-sounds.md
deleted file mode 100644
index 214c89f4..00000000
--- a/docs/research/2026-08-08-audio-retail-server-sounds.md
+++ /dev/null
@@ -1,482 +0,0 @@
-# Lane 5 — server-driven & physics-driven sounds: retail decode + acdream audit
-
-Research-only. No repo files touched.
-
-Oracles used:
-- `docs/research/named-retail/acclient_2013_pseudo_c.txt` (BN pseudo-C, PDB-named, Sept 2013 EoR)
-- `docs/research/named-retail/acclient.h` (verbatim retail structs/enums)
-- `references/ACE/Source/` (server side — what actually gets sent)
-- `references/holtburger/` (independent client-side parser)
-- **Raw byte decode** of the PDB-paired `C:\Users\erikn\Downloads\acclient.exe`
- (v11.4186) for two FPU-elided/mis-polarised spots BN got wrong
- (per `reference_pe_byte_decode.md`)
-
----
-
-## 1. The Sound game message (0xF750)
-
-### Wire layout (three oracles agree)
-
-| offset | type | field |
-|---|---|---|
-| 0x00 | u32 | opcode `0xF750` |
-| 0x04 | u32 | object GUID |
-| 0x08 | u32 | `SoundType` (retail `enum SoundType`, = ACE `Sound`) |
-| 0x0C | f32 | volume |
-
-Total 16 bytes. Direction S→C.
-
-- Retail: `CM_Physics::DispatchSB_SoundEvent` @ `0x006AC760` reads
- `*(u32*)buf == 0xf750`, then passes `buf+4` (guid), `buf+8` (sound),
- `buf+0xc` (float volume).
-- ACE: `Network/GameMessages/Messages/GameMessageSound.cs` —
- `base(GameMessageOpcode.Sound /*0xF750*/, GameMessageGroup.SmartboxQueue, 16)`,
- writes `WriteGuid(guid)`, `(uint)soundId`, `float volume`.
- Opcode confirmed at `GameMessageOpcode.cs:60`.
-- holtburger: `crates/holtburger-protocol/src/messages/effects/types.rs`
- `PlaySoundData { target: Guid, sound_id: u32, volume: f32 }`, routed from
- `GameOpcode::Sound` in `game_message/unpack.rs:186`. **holtburger parses it
- and then does nothing with it** — no consumer anywhere in
- `holtburger-core`/`apps` (it's a TUI, no audio). So holtburger is a layout
- oracle only, not a behaviour oracle here.
-- ACE's `Sound` enum (`ACE.Entity/Enum/Sound.cs`) is byte-for-byte the retail
- `SoundType` enum (`acclient.h:4569`) — verified across the whole 0x00–0xC5+
- range. Values we care about: `Collision=0x2F`, `Footstep1=0x37`,
- `Footstep2=0x38`, `Walk1=0x39`, `Open=0x42`, `Close=0x43`,
- `OpenSlam=0x44`, `CloseSlam=0x45`, `LogIn=0x50`, `LifestoneOn=0x51`,
- `Fizzle=0x5E`, `Launch=0x5F`, `Explode=0x60`,
- `UI_EnterPortal=0x6A` … `UI_Thunder6=0x8A`, `WieldObject=0x8C`,
- `PickUpItem=0x8F`, `DropItem=0x90`, `ResistSpell=0x91`,
- `TriggerActivated=0x95`, `SpellExpire=0x96`, `ItemManaDepleted=0x97`.
-
-### Retail handler chain (pseudocode)
-
-```
-CM_Physics::DispatchSB_SoundEvent(SmartBox* sb, NetBlob* blob) // 0x006AC760
- if (!blob || !sb) return NETBLOB_ERROR;
- if (*(u32*)blob->buf != 0xF750) return NETBLOB_ERROR;
- return SmartBox::HandleSoundEvent(sb, blob,
- guid = *(u32*)(buf+4),
- sound = *(i32*)(buf+8),
- volume = *(f32*)(buf+0xC));
-
-SmartBox::HandleSoundEvent(sb, blob, guid, sound, volume) // 0x00451FC0
- CPhysicsObj* obj = CObjectMaint::GetObjectA(sb->m_pObjMaint, guid);
- if (obj == nullptr) {
- CObjectMaint::QueueBlobForObject(sb->m_pObjMaint, guid, blob);
- return NETBLOB_QUEUED; // 4 — REPLAYED when the object arrives
- }
- CPhysicsObj::play_sound(obj, sound, volume);
- return NETBLOB_ERROR/OK; // BN mush; play_sound is void
-
-CPhysicsObj::play_sound(this, SoundType t, float vol) // 0x0050F460
- if (this->sound_table != nullptr) // NO table → SILENTLY DROPPED
- SoundManager::PlaySoundA(t, this, vol);
-
-SoundManager::PlaySoundA(SoundType t, CPhysicsObj* obj, float vol) // 0x00550AF0
- if (!effect_sounds_enabled) return;
- if (s_bPlaySoundOnlyWhenActive && !Device::m_bIsActiveApp) return;
- SoundData d;
- if (obj->sound_table == nullptr) return;
- GetSound(obj->sound_table, t, &d); // rolls ONE variant
- if (d.buf != null && PlayProbability(d.probability_))
- PlaySoundInternal(d.buf, &obj->m_position, vol, /*isAmbient=*/0);
- // ^^^ WIRE volume, not d.volume_
-```
-
-Three retail facts worth writing down:
-
-1. **Object identity is required and the message is deferrable.** If the guid
- isn't in `CObjectMaint` yet, retail *queues the blob against that guid* and
- replays it on `CreateObject`. Our implementation must do the same or a
- "creature spawns and immediately grunts" sequence will silently drop the
- grunt.
-2. **No sound table → nothing plays.** `play_sound` early-returns on
- `sound_table == nullptr`. The server can send `Sound` for any object; only
- objects that carry a SoundTable make noise.
-3. **Server-driven sounds use the WIRE volume, not the SoundTable entry
- volume.** The 3-arg `PlaySoundA(SoundType, obj, vol)` passes `arg3` straight
- to `PlaySoundInternal`. The 2-arg overload used by animation hooks
- (`SoundTableHook::Execute`) instead passes the *entry's* `volume_`. That
- asymmetry is real and must be preserved.
- `GetAttenuation(dist, vol, &out, isAmbient)` then multiplies by the user's
- `effect_sound_volume` / `ambient_sound_volume` pref and clamps to `VOL_MIN`.
-
-### Where the SoundTable comes from
-
-`CPhysicsObj::sound_table` is a `CSoundTable*` = `DBObj::Get(QualifiedDataID(did, 0x22))`
-(`0x22` = 34 = `DB_TYPE_STABLE`; matches ACE `DatFileType.SoundTable = 34`).
-Two writers, in retail construction order:
-
-1. `CPhysicsObj::InitDefaults(CSetup*)` @ `0x005139D0` →
- `setup->default_stable_id` (the DAT Setup field).
-2. `CPhysicsObj::set_description(PhysicsDesc*, …)` @ `0x00514F40` →
- `desc->stable_id` (the wire field in CreateObject/UpdateObject).
- It **unconditionally releases** the existing table first, then installs the
- wire one only if non-zero — i.e. a PhysicsDesc with `stable_id == 0` leaves
- the object with *no* sound table, it does not fall back to Setup.
-
-`SoundTableData` (retail, `acclient.c:5151`): `num_stdatas_` @ +0x7C and
-`SoundData* data_` @ +0x80, each entry 16 bytes = `{ DataId sound_id, float
-priority, float probability, float volume }`. Identical to DatReaderWriter's
-`SoundEntry` and ACE's `SoundTableData`.
-
-### Variant picking — retail is NOT a CDF walk (byte-verified)
-
-`SoundManager::GetSound` @ `0x00550680`. BN elides the FPU multiply; raw bytes
-(file offset `0x150680`) decode to:
-
-```
-8b 48 7c mov ecx,[eax+0x7C] ; num_stdatas_
-85 c9 / 76 73 test/jbe ; num == 0 -> bail
-68 00 00 80 3f push 1.0f
-6a 00 push 0 ; 0.0f
-e8 .. call Random::RollDice(0.0f, 1.0f) -> st0 = u
-8b 77 7c mov esi,[edi+0x7C] ; num
-8d 4e ff lea ecx,[esi-1] ; num - 1 <-- note the -1
-db 44 24 14 fild [num-1]
-d8 c9 fmul st(0), st(1) ; (num-1) * u
-e8 .. call _ftol2 ; eax = TRUNC((num-1)*u)
-3b c6 / 73 .. cmp eax,esi / jae ; idx >= num -> bail
-c1 e0 04 shl eax,4 ; * sizeof(SoundData)
-```
-
-So **`idx = (int)((num_stdatas_ - 1) * RollDice(0.0f, 1.0f))`**, then the chosen
-entry's own `probability` gates whether it plays at all.
-
-`Random::RollDice(float,float)` @ `0x0042C600` decodes to
-`lo + u01 * (hi - lo)` (with a `min == max → return min` short-circuit and a
-swap if `min > max`), where `u01` comes from the combined-LCG at `0x0042C4C0`
-(two Lehmer streams, modulus `0x7FFFFFAB`) — i.e. the classic L'Ecuyer
-generator whose scaled output is in the open interval (0,1).
-
-**Consequence (retail quirk, flag it):** with `N` variants the reachable index
-range is `[0, N-2]`. With two variants retail effectively always plays the
-first. This is an off-by-one in Turbine's picker, not a decode artifact — the
-`lea ecx,[esi-1]` is unambiguous in the bytes.
-
-`SoundManager::PlayProbability(float p)` @ `0x005500E0` — BN renders the branch
-polarity **inverted**; bytes say:
-
-```
-ff 15 84 23 79 00 call rand
-db 44 24 00 fild [esp]
-d8 0d 50 af 7c 00 fmul [0x7CAF50] ; const = 3.051851e-05 = 1/32767
-d8 5c 24 08 fcomp [esp+8] ; vs p
-df e0 / f6 c4 05 fnstsw / test ah,5
-7a 07 jp -> return 0
-b8 01 00 00 00 mov eax,1 ; return 1
-```
-
-`test ah,5` isolates C0 (bit0) and C2 (bit2); PF is the parity of the AND
-result, so `jp` is taken exactly when C0 == C2 == 0 (ordered and not-less).
-Therefore **plays when `rand()/32767.0 < probability`** — the intuitive
-reading, opposite to BN's `if (p) return 0` rendering. Do not port BN here.
-
----
-
-## 2. Retail's full sound-trigger catalog
-
-`SoundManager` is the only audio entry point. Every trigger reaches it through
-one of six routes. (BN only prints `Sound_*` enum names where type info is
-attached, so the numeric call sites are sparse in the text dump — the routes
-below are from the class/vtable structure, which is complete.)
-
-| # | Route | Retail anchor | Covers |
-|---|---|---|---|
-| 1 | **Server Sound event** | `0xF750` → `DispatchSB_SoundEvent` → `HandleSoundEvent` → `CPhysicsObj::play_sound` → `PlaySoundA(SoundType, obj, wireVol)` | everything in §3's ACE table: hit/wound/pain, wield/unwield, pickup/drop/receive, lock/pick, door-locked, lifestone, trigger plates, spell resist/expire, mana depleted, attribute/skill raise, projectile `Collision` |
-| 2 | **Animation hooks** | `SoundHook::Execute` `0x00526A20`, `SoundTweakedHook::Execute` `0x00526A80`, `SoundTableHook::Execute` `0x00526AB0` (all `CAnimHook` subclasses, `acclient.h:6308-6310`) | **footsteps**, weapon swoosh, bow pull/release, creature attack/damage vocalisations, door open/close, eat/drink, spell chant — anything authored into an animation's hook list |
-| 3 | **PhysicsScript hooks** | `0xF754`/`0xF755` → `CPhysicsObj::play_script` → the script's `CAnimHook` list, which can include the same three sound hooks | server-triggered effect scripts (portal, cast, destroy) that carry audio |
-| 4 | **Ambient / environment** | `Ambient::Play` `0x005517A0`, `Ambient::UseTime` `0x00551880`, `Ambient::PlaySoundA` `0x00550D90`; data from `AmbientSTBDesc { stb_id, ambient_sounds, CSoundTable*, play_count }` reached via `CSceneType::sound_table_desc`; entries are `AmbientSoundDesc { SoundType stype, int is_continuous, float volume, float base_chance, float min_rate, float max_rate }` | waterfalls, birds, dungeon drips, wind — interval-queued in a `PQueueArray` keyed on `Timer::cur_time`, gated on `AmbientSound::CanHear()`, positioned or from-centre depending on `GetSoundPos()` |
-| 5 | **UI / interface** | `SoundManager::PlaySoundFromCenter(SoundType, ClientUISystem::GetUISoundTable())` | portal enter/exit, button press, icon pick-up/drop, slider grab/release, new-target-selected, general query/error, transient message, and the whole `Sound_UI_Roar…Thunder6` block |
-| 6 | **MediaMachine** | `MediaMachine::Update_Sound` `0x004658B0` | cutscene / media-descriptor audio; `MD_Data_Sound { SoundType m_stype, DataId m_file }`. If `m_stype == Sound_Invalid` it plays `m_file` as a raw wave id; otherwise it resolves `m_file` as a SoundTable (`DBObj::Get(qdid, 0x22)`) and plays `m_stype` from it |
-
-### Physics-event sounds: the important negative result
-
-**`CPhysicsObj::play_sound` has exactly ONE caller in the entire binary:
-`SmartBox::HandleSoundEvent`.** There is no collision, jump-land, water-entry,
-or step call site. Confirmed by grepping every `play_sound` /
-`SoundManager::PlaySound*` reference in the 65 MB pseudo-C dump.
-
-That means, in retail:
-- **Footsteps are animation-hook-driven** (route 2 — `SoundTableHook` with
- `Sound_Footstep1/2` / `Sound_Walk1` authored into the walk/run animation
- frames), *not* physics-tick driven. Nothing in `CTransition` /
- `SPHEREPATH` / `COLLISIONINFO` plays a sound.
-- **Collision sounds are server-driven** (route 1). `Sound_Collision (0x2F)`
- is emitted by the *server* — ACE does it in
- `WorldObjects/ProjectileCollisionHelper.cs:45`. The client's physics engine
- never plays a collision sound on its own.
-- **Jump / land / water-entry have no client-local sound trigger at all.**
- There is no `Sound_*` for them in the enum and no call site. Any audible
- landing thump in retail comes from the landing *animation's* hooks.
-
-So "physics-driven sounds" in retail = "animation hooks that happen to fire
-during physics-driven motion" + "server tells you". There is no third thing.
-
-### UI sound table — the dat id
-
-```
-ClientUISystem::GetUISoundTable(this) // 0x00563FB0
- if (this->soundTable == nullptr)
- this->soundTable = DBObj::GetByEnum(/*fileType*/ 0x22,
- /*enumIndex*/ 7,
- /*cache*/ 0x10000003);
- return this->soundTable;
-
-DBObj::GetByEnum(type, idx, cache) // 0x00415490
- DBCache::GetDIDFromEnumStatic(&did, type, idx); // enum -> concrete DID
- return DBCache::Get(did, cache);
-```
-
-i.e. the UI sound table is **not a hard-coded DID** — it is enum slot **7** of
-DB type **0x22 (`DB_TYPE_STABLE`, SoundTable)**, resolved through
-`DBCache::GetDIDFromEnumStatic`. (Open item: resolving slot 7 → the actual
-`0x20xxxxxx` DID needs either `GetDIDFromEnumStatic`'s static table decoded or
-one cdb `dt` on a live client. Cheap either way; not done here.)
-
-Only two UI-sound sites survive with named enums in BN's output:
-`SoundManager::PlaySoundFromCenter(Sound_UI_EnterPortal, GetUISoundTable(...))`
-@ `0x004D638E` and `Sound_UI_ExitPortal` @ `0x004D7405`. The third named
-cluster is a switch in **`CPlayerSystem::Handle_Admin__Environs`** @
-`0x0055DE20`: environment option values `0x65..0x7C` map 1:1 onto
-`Sound_UI_Roar` (0x65) … `Sound_UI_Thunder6` (0x7C), each played from-centre
-through the UI sound table, alongside `LScape::m_override_*` fog/ambient
-overrides and `m_bRadarBlank`. That is the server's `AdminEnvirons` hook into
-the UI sound bank.
-
-`PlaySoundFromCenter` gates on `interface_sounds_enabled` (a separate pref from
-`effect_sounds_enabled` / `ambient_sounds_enabled`) and calls
-`GetAttenuation(0.0f, vol, &out, 0)` — distance 0, so no attenuation, but the
-interface-volume pref still applies. Retail's three volume prefs are
-`Sound.SoundVolume`, `Sound.AmbientSoundVolume`, `Sound.InterfaceSoundVolume`,
-plus `Sound.SoundDisabled` / `Sound.AmbientSoundDisabled` /
-`Sound.InterfaceSoundDisabled` / `Sound.PlaySoundOnlyWhenActive` /
-`Sound.SoundFeatures` (mono/stereo), all registered in
-`SoundManager::InitPrefs` @ `0x005503F0`.
-
-Listener position: `SoundManager::SetPlayerPosition(&sb->viewer)` @
-`0x00452D36` — the **viewer** position, i.e. the camera eye, not the player's
-feet. (Same coupling as our render visibility; see
-`project_camera_visibility_coupling`.)
-
----
-
-## 3. What ACE actually sends, and when
-
-`GameMessageSound` send sites (65 in `references/ACE/Source/ACE.Server`).
-Grouped:
-
-| Sound | ACE site(s) | trigger |
-|---|---|---|
-| `HitFlesh1` (0.5f vol) | `Monster_Combat.cs:314,404`, `Player_Combat.cs:168,544` | every melee/missile hit |
-| `Wound1/2/3` + pain sounds | `Monster_Combat.cs:324,408`, `Player_Combat.cs:461,563`, `Player_Move.cs:311` (fall damage) | damage taken |
-| `WieldObject` / `UnwieldObject` | `Creature_Equipment.cs:360,436`, `Player_Inventory.cs:306,405,1831` | equip / unequip |
-| `PickUpItem` / `DropItem` / `ReceiveItem` | `Player_Inventory.cs` (×14), `Player_Commerce.cs:105,223`, `AdminCommands.cs:2880` | every inventory move, give, buy/sell |
-| `Collision` | `ProjectileCollisionHelper.cs:45` | **projectile impact** — the only `Sound.Collision` sender |
-| `OpenFailDueToLock` | `Door.cs:114`, `Chest.cs:110`, `Storage.cs:71` | locked container/door |
-| `Lockpicking` / `PicklockFail` / `LockSuccess` | `Lock.cs:162,178,276` | lockpick attempts |
-| `LifestoneOn` | `Lifestone.cs:58` | lifestone attunement |
-| `TriggerActivated` | `Hotspot.cs:221`, `Switch.cs:46`, `PressurePlate.cs:75` (UseSound) | traps / plates / switches |
-| `ResistSpell` | `WorldObject_Magic.cs:194,201` | spell resisted |
-| `SpellExpire` | `EnchantmentManager.cs:331,348` | enchantment drops |
-| `ItemManaDepleted` | `Player_Tick.cs:684` | item runs dry |
-| `RaiseTrait` | `Player_Attributes.cs:48`, `Player_Skills.cs:56`, `Player_Vitals.cs:59`, `AttributeTransferDevice.cs:98` | XP spend |
-| arbitrary (emote-authored) | `EmoteManager.cs:1243` — `(Sound)emote.Sound` | any DAT-authored NPC emote sound |
-| arbitrary (weenie `UseSound`) | `Gem.cs:181`, `GenericObject.cs:48`, `Food.cs:100` (`GetUseSound()`), `PressurePlate.cs:75` | item use |
-| generic helper | `WorldObject.cs:708` `EnqueueBroadcast(new GameMessageSound(targetId, soundId, volume))`, `Player.cs:483` | everything else |
-
-Note `Player_Death.cs:192` has the death sound **commented out** in ACE.
-
-Two shapes of send: `EnqueueBroadcast(...)` (everyone in range hears it, guid =
-the acting object) and `Session.Network.EnqueueSend(...)` (only the acting
-player hears it). Both arrive as the same 0xF750; the difference is purely who
-receives it. So our handler needs no special-casing — but it *does* mean a
-0xF750 can name a **remote** guid, and must play at that remote object's
-position.
-
----
-
-## 4. acdream audit — what we have and what we don't
-
-### 4.1 Server Sound path: **ABSENT**
-
-- `grep -rn '0xF750' src/` → **zero hits.** No parser, no message record, no
- `WorldSession` event, no routing.
-- Our `Core.Net` knows the neighbours: `0xF74A` PickupEvent, `0xF74B` SetState,
- `0xF74E` VectorUpdate, `0xF751` PlayerTeleport, `0xF754` PlayPhysicsScript,
- `0xF755` PlayPhysicsScriptType. `0xF750` is the hole in the middle.
-- Already recorded as a known gap: `docs/research/2026-06-04-wire-message-catalog.md:241`
- (`| 0xF750 | Sound | S->C | Movement & Physics | missing |`), with a full
- entry at line 918 and a "next work" callout at line 4654. So this lane
- confirms a previously-catalogued gap rather than discovering a new one — but
- the *retail handler semantics* (queue-for-object, no-table drop, wire-volume
- precedence) were not previously written down anywhere.
-- Consequence: **every sound in §3's table is silent in acdream.** No hit
- sounds, no pickup/drop, no wield, no lock, no lifestone, no trap trigger, no
- spell resist/expire, no projectile collision.
-
-### 4.2 Animation-hook path: **PRESENT and correctly shaped**
-
-`src/AcDream.App/Audio/AudioHookSink.cs` implements `IAnimationHookSink` and
-handles all three retail hook types with the right semantics:
-
-| retail | ours | verdict |
-|---|---|---|
-| `SoundHook::Execute` → `PlaySoundA(gid, obj)` (raw wave DID) | `case SoundHook s` → `Play(waveId: s.Id, volume 1, priority 4)` | matches |
-| `SoundTableHook::Execute` → `PlaySoundA(sound_type_, obj)` (table lookup, entry volume) | `case SoundTableHook st` → `PlayFromSoundTable` → `SoundCookbook.Roll` → entry's `Volume`/`Priority` | matches in shape; picker algorithm diverges (below) |
-| `SoundTweakedHook::Execute` → `PlaySoundA(gid, obj, prio, prob, vol)` | `case SoundTweakedHook stw` → direct wave with hook's volume/priority | **missing the `prob` gate** — retail runs `PlayProbability(arg4)` before playing; we play unconditionally |
-
-Wiring is real and reaches production:
-- `ContentEffectsAudioComposition.ComposeOptionalAudio` creates the engine +
- sink and calls `registrations.Register(audioSink)` (line 513) →
- `AnimationHookRouter` (`src/AcDream.Core/Physics/AnimationHookRouter.cs`).
-- `AnimationHookFrameQueue.cs:117` and `PhysicsScriptRunner.cs:308` both fan
- into that router.
-- Listener is updated per frame: `WorldRenderFrameBuilder.cs:388`
- `_audio.SetListener(...)`.
-- Disabled by `ACDREAM_NO_AUDIO=1` (`RuntimeOptions.cs:103`) or an unavailable
- OpenAL driver, otherwise on.
-
-**Side effect worth noting:** because `PhysicsScriptRunner` sinks into the same
-router, we *already* have one indirect server→audio path — a server
-`0xF754`/`0xF755` PlayScript whose PhysicsScript carries a `SoundHook` will
-play. That's retail route 3, and it works today.
-
-### 4.3 `DictionaryEntitySoundTable`: **IS populated** (the hook path is not dead)
-
-This was the open question. Answer: yes, and from the right field.
-
-- `LivePresentationComposition.cs:620-625` passes two callbacks into
- `EntityEffectController`: a remove (`content.Audio?.EntitySoundTables.Remove(ownerId)`)
- and a set (`... .Set(ownerId, did)`).
-- The `did` comes from `EntityEffectProfile.CurrentSoundTableDid`
- (`src/AcDream.App/Rendering/Vfx/EntityEffectProfile.cs`), which mirrors retail's
- precedence exactly and cites it:
- - ctor from `Setup` → `NormalizeSoundTableDid((uint)setup.DefaultSoundTable)`
- (retail `CPhysicsObj::InitDefaults` `0x005139D0`);
- - `ApplyNetworkDescription(PhysicsSpawnData)` →
- `NormalizeSoundTableDid(physics.SoundTableId.GetValueOrDefault())`
- (retail `CPhysicsObj::set_description` `0x00514F40`), **unconditionally
- replacing** the Setup value — same "wire wins, zero means none" rule as
- retail.
- - `NormalizeSoundTableDid` gates on `(did & 0xFF000000) == 0x20000000`.
-- `SoundTableId` is parsed off the wire in
- `src/AcDream.Core.Net/Messages/CreateObject.cs:766` into
- `PhysicsSpawnData.SoundTableId` (`PhysicsSpawnData.cs:47`).
-
-So creature/NPC animation sounds *do* have a table to look up. Good — no
-silent-by-construction bug here.
-
-### 4.4 Variant picker: **algorithmically divergent from retail**
-
-`src/AcDream.Core/Audio/SoundCookbook.cs` does a **cumulative-probability CDF
-walk**: sample `u ∈ [0,1)`, accumulate `entries[i].Probability`, first entry
-whose running total exceeds `u` wins; falling off the end returns `null`
-("silence tail") unless the probabilities sum to ≈1.
-
-Retail (§1, byte-verified) does something completely different:
-**uniform index `(int)((N-1) * u)`, then a per-entry
-`rand()/32767 < entry.probability` gate.**
-
-Practical differences:
-- retail's index is uniform over `[0, N-2]` and never reaches the last entry;
- ours is probability-weighted over all `N`.
-- retail's `probability` is an independent **play/don't-play** gate on the
- already-chosen entry; ours treats it as a **selection weight**. For the
- common `N=1, probability=1.0` case both play the entry — so most sounds
- sound identical — but for multi-variant tables (footsteps, swooshes,
- creature vocalisations, exactly the audible ones) the distributions differ.
-- Our `entries.Count == 1 → return entries[0]` shortcut also skips the
- probability gate entirely; retail still rolls it. A single-entry sound with
- `probability < 1` should sometimes be silent in retail and never is in ours.
-
-This needs a divergence-register row when audio work lands, or a faithful
-re-port (the faithful version is ~8 lines and strictly simpler than what we
-have).
-
-### 4.5 UI sounds: **ABSENT**
-
-No `Sound_UI_*` / interface-sound concept anywhere in `src/`. `grep -i
-'interfacesound|uisound|Sound_UI'` returns only unrelated `IsButtonPressed` /
-`*ButtonPressed` input handlers. Concretely missing:
-- no UI sound table load (retail: `DBObj::GetByEnum(0x22, 7)`);
-- no `PlaySoundFromCenter` equivalent (non-positional, interface-volume pref);
-- no button-press / icon-pickup / icon-drop / slider / new-target-selected /
- general-error / transient-message cues, despite all of those UI surfaces now
- existing (spell bar, vendor panel, inventory drag-drop, target selection);
-- no portal enter/exit cue, despite the portal-space presentation being
- complete;
-- no `AdminEnvirons` sound mapping (`0x65..0x7C`) even though we own the
- `AdminEnvirons` state in Runtime (J6.1).
-
-### 4.6 Ambient / environment sounds: **ABSENT**
-
-No `Ambient`, `AmbientSTBDesc`, `AmbientSoundDesc`, ambient-STB reader, or
-interval-queued ambient scheduler. `grep -i 'ambientsound|AmbientStb'` → only
-`SoundCookbook`'s doc comment. Retail's `ambient_sound_volume` /
-`ambient_sounds_enabled` prefs have no counterpart either. Waterfalls, birds,
-dungeon ambience: silent.
-
-### 4.7 Physics-event sounds: **N/A — correctly absent**
-
-Nothing calls the audio engine from the physics path in acdream, and per §2
-that is *retail-correct*. There is no gap to fill here. The apparent gap
-("collisions make no noise") is really §4.1: retail hears a collision because
-the **server** sent `Sound.Collision`. Do not add a client-local collision
-sound — it would be a divergence, not a fix.
-
----
-
-## 5. Summary of gaps, ordered by audible impact
-
-| # | Gap | Effort | Notes |
-|---|---|---|---|
-| 1 | `0xF750` parse + route to audio | small | Needs: `SoundEvent` record in `Core.Net/Messages`, a `WorldSession` event next to the existing `0xF754`/`0xF755` ones, and a Runtime/App consumer that resolves guid → world position + SoundTableId and calls the engine with the **wire** volume. Must implement retail's *queue-for-unknown-guid* deferral. |
-| 2 | UI sound bank + `PlaySoundFromCenter` | small-medium | Blocked only on resolving DB-type-0x22 enum slot 7 → concrete DID. Needs a third volume pref (`interface`) and a non-positional play path. |
-| 3 | `SoundCookbook` → retail picker | tiny | Replace CDF walk with `(int)((N-1)*u)` + per-entry probability gate; add the missing `prob` gate to `SoundTweakedHook`. Register row either way. |
-| 4 | Ambient / environment sounds | medium | Needs the ambient-STB reader, `AmbientSoundDesc` scheduling (`base_chance`/`min_rate`/`max_rate`, `is_continuous`), the `CanHear` gate, and an ambient volume pref. |
-| 5 | `AdminEnvirons` 0x65..0x7C → UI sounds | tiny | Falls out of #2; we already own the AdminEnvirons state. |
-
-Open research items (cheap, not done here):
-- Resolve `DBCache::GetDIDFromEnumStatic(0x22, 7)` → the concrete UI SoundTable
- DID (decode the static enum table, or one `dt` in cdb).
-- Pin the numeric UI-sound call sites (`Sound_UI_ButtonPress = 0x72`,
- `IconPickUp = 0x6F`, `IconSuccessfulDrop = 0x70`, `IconInvalid_Drop = 0x71`,
- `GrabSlider = 0x73`, `ReleaseSlider = 0x74`, `NewTargetSelected = 0x75`) to
- their owning UI classes — BN prints them as bare integers, so they need a
- numeric grep or a Ghidra xref on the UI sound table getter.
-
-## 6. Retail anchors (for code comments)
-
-```
-CM_Physics::DispatchSB_SoundEvent 0x006AC760 0xF750 dispatch
-SmartBox::HandleSoundEvent 0x00451FC0 guid resolve / queue / play
-CPhysicsObj::play_sound 0x0050F460 sound_table null-gate
-SoundManager::PlaySoundA(SoundType,obj,f)0x00550AF0 wire-volume path
-SoundManager::PlaySoundA(SoundType,obj) 0x00550B70 entry-volume path (hooks)
-SoundManager::GetSound 0x00550680 idx = (int)((N-1)*RollDice(0,1))
-SoundManager::PlayProbability 0x005500E0 rand()/32767 < p -> play
-SoundManager::PlaySoundInternal 0x00550170 position + attenuation
-SoundManager::GetAttenuation 0x00550020 effect vs ambient volume pref
-SoundManager::PlaySoundFromCenter 0x00550950 interface sounds
-SoundManager::PlayAmbientSound 0x00550820
-SoundManager::PlayAmbientSoundFromCenter 0x005508B0
-SoundManager::SetPlayerPosition 0x005503C0 listener = viewer/eye
-SoundManager::InitPrefs 0x005503F0 the 8 sound prefs
-Random::RollDice(float,float) 0x0042C600 lo + u01*(hi-lo)
-SoundHook::Execute 0x00526A20
-SoundTweakedHook::Execute 0x00526A80
-SoundTableHook::Execute 0x00526AB0
-Ambient::Play 0x005517A0
-Ambient::UseTime 0x00551880
-Ambient::PlaySoundA 0x00550D90
-ClientUISystem::GetUISoundTable 0x00563FB0 DBObj::GetByEnum(0x22, 7)
-DBObj::GetByEnum 0x00415490
-CPlayerSystem::Handle_Admin__Environs 0x0055DE20 env 0x65..0x7C -> UI sounds
-MediaMachine::Update_Sound 0x004658B0
-CPhysicsObj::InitDefaults 0x005139D0 Setup.default_stable_id
-CPhysicsObj::set_description 0x00514F40 PhysicsDesc.stable_id
-CM_Physics::DispatchSB_PlayScriptID 0x006ACC40 0xF754 (we have this)
-CM_Physics::DispatchSB_PlayScriptType 0x006AC6E0 0xF755 (we have this)
-```
diff --git a/docs/research/2026-08-08-audio-retail-soundmanager-core.md b/docs/research/2026-08-08-audio-retail-soundmanager-core.md
deleted file mode 100644
index 961cac14..00000000
--- a/docs/research/2026-08-08-audio-retail-soundmanager-core.md
+++ /dev/null
@@ -1,714 +0,0 @@
-# Lane 1 — retail `SoundManager` core, decoded, vs acdream's OpenAL engine
-
-Date: 2026-08-08. Read-only research note.
-
-Sources
-- `docs/research/named-retail/acclient_2013_pseudo_c.txt` (Binary Ninja pseudo-C, PDB-named)
-- `docs/research/named-retail/acclient.h` (verbatim retail structs)
-- **Raw byte decode** of `C:\Users\erikn\Downloads\acclient.exe` (v11.4186, PDB-paired,
- image base `0x00400000`) via capstone — **required**, because the BN pseudo-C for
- `GetAttenuation` and the pan block has FPU-elided constants (it prints `* 0f` where the
- binary has `fmul dword [VOL_MIN_DIST_SQ]`) and one misattributed stack slot. Every
- constant below is read out of the binary, not inferred.
-
-Compared against
-- `src/AcDream.App/Audio/OpenAlAudioEngine.cs`
-- `src/AcDream.App/Audio/OpenAlResourceLifetime.cs`
-- `src/AcDream.App/Audio/AudioHookSink.cs`
-- `src/AcDream.Core/Audio/AudioModel.cs`, `SoundCookbook.cs`
-
----
-
-## 0. Address map (all VAs, 2013 EoR build)
-
-| Symbol | VA |
-|---|---|
-| `SoundManager::PlaySoundInternal(SoundBufRef*, int pan, int volDb)` | `0x0054FEC0` |
-| `SoundManager::GetAttenuation(float dist, float vol, int* outDb, int ambient)` | `0x00550020` |
-| `SoundManager::PlayProbability(float)` | `0x005500E0` |
-| `SoundBufRef::SoundBufRef(DataID)` | `0x00550110` |
-| `SoundManager::PlaySoundInternal(SoundBufRef*, const Position*, float vol, int ambient)` | `0x00550170` |
-| `SoundManager::ShutDown` | `0x005502B0` |
-| `SoundManager::SetPlayerPosition(const Position*)` | `0x005503C0` |
-| `SoundManager::Cleanup` (tailcall → ShutDown) | `0x005503E0` |
-| `SoundManager::InitPrefs` | `0x005503F0` |
-| `SoundManager::Init(HWND)` | `0x00550640` |
-| `SoundManager::GetSound(SoundType, CSoundTable*, SoundData*)` | `0x00550680` |
-| `SoundManager::PlaySoundA(DataID, CPhysicsObj*)` | `0x00550730` |
-| `SoundManager::PlaySoundA(DataID, CPhysicsObj*, prio, prob, vol)` | `0x005507A0` |
-| `SoundManager::PlayAmbientSound(SoundType, table, Position*, vol)` | `0x00550820` |
-| `SoundManager::PlayAmbientSoundFromCenter(SoundType, table, vol)` | `0x005508B0` |
-| `SoundManager::PlaySoundFromCenter(SoundType, CSoundTable*)` | `0x00550950` |
-| `SoundManager::PlaySoundFromCenter(DataID, float vol)` | `0x005509E0` |
-| `SoundManager::PlaySoundA(SoundType, CPhysicsObj*, float vol)` | `0x00550AF0` |
-| `SoundManager::PlaySoundA(SoundType, CPhysicsObj*)` | `0x00550B70` |
-| `SoundManager::CreateSound(DataID)` | `0x00550BF0` |
-| `SoundManager::DestroySound(DataID)` | `0x00550C60` |
-| `SoundBuf::ReleaseAll` | `0x00552670` |
-| `SoundBuf::CopyWaveToBuffer(WaveFile*)` | `0x005526D0` |
-| `SoundBuf::Stop` | `0x00552830` |
-| `SoundBuf::GetStatus` | `0x00552850` |
-| `SoundBuf::~SoundBuf` (tailcall → ReleaseAll) | `0x005528A0` |
-| `SoundBuf::SoundBuf(const SoundBuf&)` (DuplicateSoundBuffer) | `0x005528B0` |
-| `SoundBuf::Create(int bStatic)` | `0x00552930` |
-| `SoundBuf::Restore` | `0x00552B90` |
-| `SoundBuf::SoundBuf(DataID, tagval, bStatic, b3D)` | `0x00552D00` |
-| `SoundBuf::Play(int pan, int volDb)` | `0x00552D50` |
-| `SoundOK` | `0x00552E10` |
-| `GetDirectSound` | `0x00552E30` |
-| `SoundCleanup` | `0x00552E40` |
-| `SoundSetup(HWND)` | `0x00552E70` |
-| `CDirSound::DirectSoundOK` | `0x00553D00` |
-| `CDirSound::CDirSound(HWND)` | `0x00553D10` |
-| `CDirSound::~CDirSound` | `0x00553E40` |
-| `Ambient::Play(AmbientSound*)` | `0x005517A0` |
-| `Ambient::UseTime` | `0x00551880` |
-| `SmartBox::set_viewer(const Position*, int type)` | `0x00452C40` |
-| `SmartBox::update_viewer` | `0x00453CE0` |
-| `Position::heading(const Position&)` | `0x005A9520` |
-| `Position::distance(const Position&)` | `0x005A94B0` |
-| `Frame::get_heading` | `0x00535760` |
-
-### Statics
-
-| Symbol | VA | Type / value |
-|---|---|---|
-| `SoundManager::VOL_MIN` | `0x0081F060` | `int32 = -50` (**decibels**) |
-| `SoundManager::effect_sounds_enabled` | `0x0081F064` | `bool = 1` |
-| `SoundManager::effect_sound_volume` | `0x0081F068` | `float = 1.0` |
-| `SoundManager::ambient_sounds_enabled` | `0x0081F06C` | `bool = 1` |
-| `SoundManager::ambient_sound_volume` | `0x0081F070` | `float = 1.0` |
-| `SoundManager::interface_sounds_enabled` | `0x0081F074` | `bool = 1` |
-| `SoundManager::interface_sound_volume` | `0x0081F078` | `float = 1.0` — **write-only, never read** |
-| `SoundManager::s_bPlaySoundOnlyWhenActive` | `0x0081F07C` | `bool = 1` |
-| `SoundManager::player_position_` | `0x0081F0E0` | `Position` (listener). `.frame` at `0x0081F0E8` |
-| `SoundManager::s_SoundFeatures` | `0x0086F3A4` | `uint32 = 0`; enum table at `0x0086F3E8` |
-| `SoundManager::curr_playing_buffer_` | `0x0086F3A8` | `int32 = 0` — ring cursor |
-| `SoundManager::s_bInittedPrefs` | `0x0086F3AC` | `bool = 0` |
-| `SoundManager::sound_hash_` | `0x0086F4A0` | `IntrusiveHashTable`, ctor arg `0x40` |
-| `SoundManager::playing_sounds_` | `0x0086F510` | `SoundPlayingData[0x10]` — **16 voices**, stride `0x10` |
-| `SoundBuf::useDatabase` | `0x0081F220` | `int32 = 1` |
-| `VOL_MIN_DIST` | `0x007CAEAC` (rodata) | `float = 5.0` (metres) |
-| `VOL_MIN_DIST_SQ` | `0x0086F404` (.data) | `float = 25.0`, static-init `5f*5f` |
-| `INV_LOG_OF_2` | `0x0086F408` (.data) | `double = 1/ln 2 = 1.4426950408889634`, static-init `1.0 / fyl2x(2.0, ln2)` |
-| dB-per-octave const | `0x007CAF48` (rodata) | `double = 6.0206` (= `20·log10 2`) |
-| **pan scale** | `0x007CAF58` (rodata) | `double = -15.0` |
-| probability scale | `0x007CAF50` (rodata) | `float = 3.05185094e-05` (= `1/32767`) |
-| DEG→RAD | `0x0079B504` | `float = 0.0174532924` |
-| RAD→DEG | `0x0079B6C8` | `double = 57.29577951308232` |
-| heading base | `0x0079B6C0` | `double = 450.0` (= `360 + 90`) |
-| pan deadzone | `0x007991B0` | `double = 5.0` (metres) |
-
-### Struct layouts (from `acclient.h`, offsets confirmed against the binary)
-
-```c
-struct SoundData { // 0x10
- DataID sound_id_; // +0x00
- float priority_; // +0x04 <-- eviction key
- float probability_; // +0x08
- float volume_; // +0x0C
-};
-
-struct SoundBufRef { // 0x24, operator new(0x24)
- DataID m_hashKey; // +0x00
- SoundBufRef* m_hashNext; // +0x04
- SoundData data_; // +0x08 .. +0x17
- int links_; // +0x18 refcount (CreateSound/DestroySound)
- SoundBuf* sound_buf_; // +0x1C template buffer, duplicated per play
- int buffer_num_; // +0x20 init 0xFFFFFFFF, unused
-};
-
-struct SoundPlayingData { // 0x10
- SoundBuf* buffer; // +0x00
- float priority; // +0x04
- long double start_time; // +0x08 (8 bytes, Timer::cur_time) <-- WRITTEN, NEVER READ
-};
-
-struct SoundBuf { // 0x20, operator new(0x20)
- CDirSound* m_pCDirSound; // +0x00
- IDirectSoundBuffer* m_pBuf; // +0x04
- IDirectSound3DBuffer* m_p3DBuf; // +0x08
- char* m_filename; // +0x0C
- int m_tagval; // +0x10
- unsigned m_bufsize; // +0x14
- int m_3D; // +0x18
- DataID m_gid; // +0x1C
-};
-
-struct CDirSound { // 0x24, operator new(0x24)
- tWAVEFORMATEX m_defaultFormat; // +0x00 (18B, padded to 0x14)
- HWND m_hWindow; // +0x14
- IDirectSound* m_pDirectSoundObj; // +0x18
- IDirectSound3DListener* m_lpDs3dListener; // +0x1C
- IDirectSoundBuffer* m_3DSoundBuffer; // +0x20 (primary)
-};
-
-struct SoundManager { }; // pure statics, no instance
-```
-
----
-
-## 1. Pseudocode, function by function
-
-### `SoundSetup(HWND)` / `CDirSound::CDirSound` / `SoundOK` / `SoundCleanup`
-
-```
-SoundSetup(hwnd):
- if hwnd == 0:
- Device::Error("SoundSetup requires a valid HWND! Sound will be disabled.",
- "SoundSetup Error")
- return 0
- delete pDirSound # tear down any previous device
- pDirSound = new CDirSound(hwnd) # 0x24 bytes
- return (pDirSound && pDirSound->m_pDirectSoundObj != 0)
-
-CDirSound::CDirSound(hwnd):
- m_pDirectSoundObj = m_lpDs3dListener = m_3DSoundBuffer = null
- m_hWindow = hwnd
- if DirectSoundCreate(NULL, &m_pDirectSoundObj, NULL) != DS_OK: return
- if m_pDirectSoundObj->SetCooperativeLevel(hwnd, DSSCL_PRIORITY /*2*/) != DS_OK:
- m_pDirectSoundObj = null; return
- # primary buffer
- DSBUFFERDESC s = {0}; s.dwSize = 0x24
- s.dwFlags = 0x11 # DSBCAPS_PRIMARYBUFFER | DSBCAPS_CTRL3D
- if CreateSoundBuffer(&s, &m_3DSoundBuffer, NULL) != DS_OK: return
- if m_3DSoundBuffer->QueryInterface(IID_IDirectSound3DListener, &m_lpDs3dListener) != DS_OK: return
- m_lpDs3dListener->SetRolloffFactor(0.01f /*0x3C23D70A*/, DS3D_IMMEDIATE)
- m_lpDs3dListener->SetOrientation(front=(-1,0,0), top=(0,1,0), DS3D_IMMEDIATE)
- m_lpDs3dListener->CommitDeferredSettings()
- m_defaultFormat = { PCM, 2ch, 16-bit, 11025 Hz (0x2B11),
- nBlockAlign 4, nAvgBytesPerSec 44100 (0xAC44), cbSize 0 }
- m_3DSoundBuffer->SetFormat(&m_defaultFormat)
- m_3DSoundBuffer->Play(0, 0, DSBPLAY_LOOPING /*1*/) # primary buffer runs forever
-
-SoundOK() -> pDirSound && pDirSound->m_pDirectSoundObj != 0
-GetDirectSound()-> pDirSound
-SoundCleanup() -> delete pDirSound; pDirSound = null
-```
-
-**The 3D listener exists but gameplay never uses it.** `SoundBufRef::SoundBufRef` creates
-its template `SoundBuf` with `b3D = 0`, so `SoundBuf::Create` takes the non-3D branch and
-sets `m_3D = 0`. Every gameplay/UI/ambient voice is a **2D buffer with CPU-computed pan
-and volume**. `IDirectSound3DBuffer` is only reachable through a path nothing in
-SoundManager takes.
-
-### `SoundManager::Init` / `InitPrefs` / `ShutDown` / `Cleanup`
-
-```
-Init(hwnd):
- SoundSetup(InitPrefs()) # note: InitPrefs() returns void; hwnd reaches
- # SoundSetup through ecx (__fastcall) — a compiler
- # artifact, semantics are InitPrefs(); SoundSetup(hwnd)
- midiSetup()
- if SoundOK() == 0:
- effect_sounds_enabled = 0 # hard-disable effects when there is no device
- return
- srand(time(0))
-
-InitPrefs(): # exact preference names, in registration order
- RegisterPreference(&effect_sound_volume, "Sound Volume") # float, default 1.0
- RegisterPreference(&ambient_sound_volume, "Ambient Sound Volume") # float, default 1.0
- RegisterPreference(&interface_sound_volume, "Interface Sound Volume") # float, default 1.0
- RegisterPreference(&s_SoundFeatures, "Sound Features", enumTable=0x86F3E8, kind=2) # uint, default 0
- RegisterPreference(&effect_sounds_enabled, "Sound Disabled") # bool, default 1
- RegisterPreference(&ambient_sounds_enabled, "Ambient Sound Disabled") # bool, default 1
- RegisterPreference(&interface_sounds_enabled, "Interface Sound Disabled") # bool, default 1
- RegisterPreference(&s_bPlaySoundOnlyWhenActive, "Play Sound Only When Active") # bool, default 1
- s_bInittedPrefs = 1
-
-ShutDown(): # Cleanup() is a tailcall to this
- for each SoundBufRef in sound_hash_: SoundBuf::Stop(ref->sound_buf_)
- for i in 0..15:
- slot = playing_sounds_[(curr_playing_buffer_ + i) mod 16]
- if slot.buffer: Stop(slot.buffer); ~SoundBuf(slot.buffer); delete slot.buffer
- midiCleanup(); SoundCleanup()
- if s_bInittedPrefs: UnregisterPreference(all 8)
-```
-
-Note the enable flags are named `..._Disabled` in the preference store but the backing
-variables are `..._enabled` with default 1. Whoever reads the pref file must invert or the
-pref writer already stores the inverted sense — do not assume the on-disk polarity.
-
-### `SoundManager::CreateSound` / `DestroySound` — refcounted registration
-
-```
-CreateSound(DataID id):
- ref = sound_hash_.find(id)
- if ref: ref->links_ += 1; return # refcount bump
- ref = new SoundBufRef(id) # allocates + creates the template SoundBuf now
- sound_hash_.add(ref)
-
-SoundBufRef::SoundBufRef(id):
- m_hashKey = id; m_hashNext = null
- SoundData::SoundData(&data_) # zero-init
- links_ = 1; buffer_num_ = 0xFFFFFFFF
- sound_buf_ = new SoundBuf(id, tagval=0, bStatic=1, b3D=0) # 2D, DSBCAPS_STATIC
-
-DestroySound(DataID id):
- ref = sound_hash_.find(id); if !ref: return
- if ref->links_-- == 1: # last reference
- ref = sound_hash_.remove(id)
- ~SoundBuf(ref->sound_buf_); delete ref->sound_buf_
- delete ref
-```
-
-A sound that was never `CreateSound`'d cannot be played: every `PlaySound*` walks
-`sound_hash_` and silently returns when the id is absent. The wave is decoded and copied
-into a DirectSound buffer eagerly at `CreateSound` time (see `SoundBuf::Create`), never on
-first play.
-
-### `SoundManager::GetSound` — variant selection (**biased**)
-
-```
-GetSound(SoundType stype, CSoundTable* table, out SoundData* d) -> SoundBufRef*:
- if table == 0: return 0
- if !CSoundTable::Lookup(table, stype, &std): return 0
- n = std->num_stdatas_ # [+0x7C]
- if n <= 0: return 0
- roll = Random::RollDice(0.0f, 1.0f) # [0, 1]
- idx = (int)( (float)(n - 1) * roll ) # <-- (n-1), TRUNCATED
- if (unsigned)idx >= n: return 0
- row = &std->data_[idx] # 16-byte rows at [+0x80]
- d->sound_id_ = row[0]; d->priority_ = row[4]
- d->probability_ = row[8]; d->volume_ = row[0xC]
- if d->sound_id_ == 0: return 0
- return sound_hash_.find(d->sound_id_)
-```
-
-`idx = floor(roll · (n−1))`, **not** `floor(roll · n)`. Consequences:
-- `n = 1` → always row 0.
-- `n = 2` → row 0 unless the roll is exactly 1.0; row 1 has probability ≈ 1/32768.
-- `n = 3` → rows 0 and 1 at ~50% each; row 2 ≈ 1/32768.
-The last row of every multi-row sound entry is effectively dead in retail. This is retail
-behaviour, not a decomp artifact — the `fild (n-1)` / `fmul st(1)` / `_ftol2` sequence is
-unambiguous at `0x005506C8..0x005506E2`.
-
-### `SoundManager::PlayProbability`
-
-```
-PlayProbability(float prob):
- return ((float)rand() * (1.0f/32767.0f)) < prob # play iff strictly less
-```
-
-`probability_` is an **independent gate applied after** the index pick — not a selection
-weight. Applied by every `SoundType`-keyed overload and by
-`PlaySoundA(DataID, obj, prio, prob, vol)`; **not** applied by
-`PlaySoundA(DataID, CPhysicsObj*)` or `PlaySoundFromCenter(DataID, vol)`.
-
-### `SoundManager::GetAttenuation` — the falloff, exact
-
-Byte-level decode of `0x00550020`:
-
-```
-GetAttenuation(float dist, float vol, int* outDb, int ambient) -> int:
- # 1. distance term
- if dist < VOL_MIN_DIST /*5.0 m*/:
- g = vol
- else:
- g = (VOL_MIN_DIST_SQ /*25.0*/ * vol) / (dist * dist) # exact inverse-square,
- # continuous at 5 m
- # 2. clamp above
- if g > 1.0: g = 1.0
-
- # 3. one, and only one, master multiply
- g *= (ambient != 0) ? ambient_sound_volume : effect_sound_volume
-
- # 4. silent gate
- if g <= 0.0: *outDb = VOL_MIN /*-50*/; return 0 # DO NOT PLAY
-
- # 5. linear gain -> integer decibels
- # fldln2; fyl2x => ln(g)
- # * INV_LOG_OF_2 (1/ln2) => log2(g)
- # * 6.0206 (20*log10 2) => 20*log10(g)
- db = (int) ceil( 20.0 * log10(g) )
-
- *outDb = db
- if db >= VOL_MIN /*-50*/: return 1 # PLAY at db decibels
- *outDb = VOL_MIN; return 0 # DO NOT PLAY
-```
-
-Notes that matter:
-- The distance model is **inverse-square with a 5-metre reference**, expressed as
- `25/d²`, clamped to unity, and it is **hard-cut at −50 dB**. Solving
- `ceil(20·log10(25·vol·master/d²)) ≥ −50` ⟺ `25·vol·master/d² > 10^(−51/20)`:
- the audible radius is **≈ 94.2 m** at `vol·master = 1.0`, **≈ 66.6 m** at 0.5,
- **≈ 29.8 m** at 0.1. Beyond that the sound is *never started* — no voice, no slot.
-- Output is **integer decibels quantised by `ceil`** — a 1 dB stair-step as you walk
- toward a source, not a smooth ramp.
-- `dist` is `Position::distance` (`0x005A94B0`): `sqrt(dx²+dy²+dz²)` of
- `Position::get_offset`, which resolves the landblock delta first — a true cross-landblock
- 3D metric distance in metres, **including Z**.
-- `vol` here is whatever the caller passed. Three callers pre-multiply by a master
- volume, so the master lands **twice** (see §4 quirk).
-
-### `SoundManager::PlaySoundInternal(SoundBufRef*, const Position*, float vol, int ambient)` — pan
-
-Byte-level decode of `0x00550170`. **BN's pseudo-C is wrong here**: it reuses stack slot
-`[esp+0xC]` and reports the `< 5.0` test as an *angle* test. In the binary the `_ftol2`
-at `0x005501F2` converts `[esp+4]` = **distance**, and the x87 stack still holds the
-angle. It is a *distance* deadzone.
-
-```
-PlaySoundInternal(ref, const Position* soundPos, float vol, int ambient):
- if s_bPlaySoundOnlyWhenActive && !Device::m_bIsActiveApp: return
-
- listenerHeading = Frame::get_heading(&player_position_.frame) # degrees
- dist = Position::distance(soundPos, &player_position_) # metres, 3D
- headingSoundToListener = Position::heading(soundPos, &player_position_) # degrees
-
- pan = 0
- if s_SoundFeatures != 1: # 1 == panning disabled
- delta = fmod(headingSoundToListener - listenerHeading, 360.0)
- if !(delta <= 180.0): delta -= 360.0 # normalise to (-180, 180]
- if abs((int)dist) >= 5: # <-- DISTANCE deadzone, 5 m
- pan = (int)( sin(delta * 0.0174532924f) * -15.0 ) # -15..+15
- # else pan stays 0: anything inside 5 m plays dead centre
-
- if GetAttenuation(dist, vol, &db, ambient):
- PlaySoundInternal(ref, pan, db)
-```
-
-`Position::heading(this, other)` (`0x005A9520`) and `Frame::get_heading` (`0x00535760`)
-share one convention: `fmod(450.0 − atan2(dy, dx)·57.29578, 360.0)` — i.e. **compass
-degrees, clockwise from +Y (north)**, `+X` (east) = 90°. `Position::heading` returns the
-heading **from `this` toward `other`**, so `heading(soundPos, listenerPos)` is the
-*reverse* bearing; combining that reversal with the `-15.0` scale yields the correct
-handedness. Worked check: sound due east, listener facing north ⇒ delta = −90° ⇒
-`pan = -15·sin(-90°) = +15` = full right in DirectSound. ✓
-
-Equivalent forward formulation for a port:
-
-> `pan_dB = 15 · sin(bearing_of_source_relative_to_listener_facing)`, zero inside 5 m.
-
-**There is no front/back and no elevation cue.** A source dead ahead and a source directly
-behind both give `pan = 0`; Z contributes to distance but never to pan.
-
-### `SoundManager::PlaySoundInternal(SoundBufRef*, int pan, int volDb)` — the 16-voice pool
-
-Byte-level decode of `0x0054FEC0` (this, not `FUN_00550AD0`, is the voice allocator):
-
-```
-PlaySoundInternal(ref, pan, volDb):
- if s_bPlaySoundOnlyWhenActive && !Device::m_bIsActiveApp: return
- now = Timer::cur_time # 8-byte double
-
- # PASS 1 — ring scan from curr_playing_buffer_ for a reusable slot
- for i in 0 .. 15:
- s = (curr_playing_buffer_ + i) mod 16 # signed-safe & 0x8000000F fixup
- buf = playing_sounds_[s].buffer
- if buf == null: goto CLAIM # never used
- if buf->m_pBuf == null: goto DESTROY_CLAIM # broken buffer
- if (SoundBuf::GetStatus(buf) & DSBSTATUS_PLAYING) == 0:
- goto DESTROY_CLAIM # finished
- # slot is genuinely busy, keep scanning
-
- # PASS 2 — all 16 busy: priority eviction, same ring order
- for j in 0 .. 15:
- s = (curr_playing_buffer_ + j) mod 16
- if playing_sounds_[s].priority < ref->data_.priority_: # STRICTLY less
- SoundBuf::Stop(playing_sounds_[s].buffer)
- goto DESTROY_CLAIM
- return # nothing lower-priority -> DROP the new sound
-
-DESTROY_CLAIM:
- ~SoundBuf(buf); delete buf # a voice is a real DS buffer; it is freed
-CLAIM:
- v = new SoundBuf(0x20)
- if v: SoundBuf::SoundBuf(v, ref->sound_buf_) # IDirectSound::DuplicateSoundBuffer
- playing_sounds_[s].buffer = v
- playing_sounds_[s].priority = ref->data_.priority_
- playing_sounds_[s].start_time = now # written, never read anywhere
- curr_playing_buffer_ = (s + 1) mod 16
- SoundBuf::Play(v, pan, volDb)
-```
-
-Answers to the slot questions:
-- **Count:** exactly 16 (`playing_sounds_[0x10]`, `& 0x8000000F` masking).
-- **Selection:** round-robin from `curr_playing_buffer_`; first slot that is empty, has a
- null `m_pBuf`, or is no longer `DSBSTATUS_PLAYING`.
-- **Eviction:** *priority only*, `slot.priority < new.priority`, first match in ring order.
- **Equal priority never evicts.** Volume/gain is not consulted. `start_time` is recorded
- but never read, so age only enters through the ring cursor.
-- **Overflow:** the new sound is silently dropped.
-
-### `SoundBuf::Create` / `CopyWaveToBuffer` / `Restore` / `Play` / `Stop` / `GetStatus`
-
-```
-SoundBuf::SoundBuf(DataID gid, int tagval, int bStatic, int b3D):
- m_pBuf = m_p3DBuf = m_filename = null; m_bufsize = 0
- m_tagval = tagval; m_3D = b3D; m_gid = gid
- m_pCDirSound = GetDirectSound()
- if m_pCDirSound: Create(bStatic)
-
-SoundBuf::Create(int bStatic) -> int:
- ds = m_pCDirSound->m_pDirectSoundObj; if !ds: return 0
- if m_3D == 0 || m_pCDirSound->m_lpDs3dListener == null:
- flags = 0x100E0 # GETCURRENTPOSITION2 | CTRLVOLUME | CTRLPAN | CTRLFREQUENCY
- m_3D = 0
- else:
- flags = 0x100B0 # GETCURRENTPOSITION2 | CTRLVOLUME | CTRLFREQUENCY | CTRL3D
- if bStatic: flags |= DSBCAPS_STATIC /*0x2*/
- if SoundBuf::useDatabase /*1*/:
- obj = DBObj::Get(QualifiedDataID(m_gid, 0x0F)) # 0x0F = Wave
- wave = obj + 0x38
- DSBUFFERDESC s = {0}; s.dwSize = 0x24; s.dwFlags = flags
- ... lpwfxFormat = wave fmt; dwBufferBytes = wave data size ...
- if ds->CreateSoundBuffer(&s, &m_pBuf, NULL) == DS_OK:
- m_bufsize = size
- if CopyWaveToBuffer(wave): return 1
- return 0
-
-SoundBuf::CopyWaveToBuffer(WaveFile* w) -> int:
- Lock(0, m_bufsize, &p1,&n1, &p2,&n2, 0)
- if global ACM stream `phas` != null: acmStreamPrepareHeader/Convert/UnprepareHeader
- else: memcpy p1 (+ wrap into p2)
- Unlock(...)
-
-SoundBuf::SoundBuf(const SoundBuf& src): # per-play voice
- zero everything; m_pCDirSound = GetDirectSound()
- if m_pCDirSound->m_pDirectSoundObj->DuplicateSoundBuffer(src.m_pBuf, &m_pBuf) == DS_OK:
- copy m_bufsize, m_tagval, m_3D, m_gid
- if m_3D: m_pBuf->QueryInterface(IID_IDirectSound3DBuffer, &m_p3DBuf)
-
-SoundBuf::Play(int pan, int volDb) -> int:
- if pan < -15: pan = -15
- elif pan > 15: pan = 15
- if pan != 0 && m_pBuf && m_3D == 0: m_pBuf->SetPan(pan * 100) # hundredths of dB
- if volDb < VOL_MIN /*-50*/: volDb = VOL_MIN
- if m_pBuf: m_pBuf->SetVolume(volDb * 100) # hundredths of dB
- if m_pBuf->SetCurrentPosition(0) == DS_OK:
- hr = m_pBuf->Play(0, 0, 0) # dwFlags 0 — NO LOOPING
- if hr == DSERR_BUFFERLOST /*0x88780096*/ && Restore():
- hr = m_pBuf->Play(0, 0, 0)
- return hr == DS_OK
- return 0
-
-SoundBuf::Stop() -> m_pBuf ? (m_pBuf->Stop(), 1) : 0
-SoundBuf::GetStatus() -> m_pBuf && GetStatus(&st)==DS_OK ? st : -1 # bit0 = DSBSTATUS_PLAYING
-SoundBuf::Restore() -> re-fetch the wave from the DAT and re-run the Create/CopyWave path
-SoundBuf::ReleaseAll()-> delete[] m_filename; Release m_pBuf, m_p3DBuf; memset; m_gid = INVALID
-```
-
-Units to keep straight: retail's internal volume/pan are **whole decibels**; DirectSound's
-`SetVolume`/`SetPan` take **hundredths of a decibel**, hence the `× 100`. Retail's floor is
-`-50 dB` (`-5000`), half of DirectSound's `DSBVOLUME_MIN = -10000`. Pan saturates at
-`±15 dB` (`±1500`) out of DirectSound's `±10000`, so retail's stereo image is **narrow by
-construction** — a hard-panned sound is only 15 dB down in the far ear, never silent.
-
-### Listener: `SetPlayerPosition`
-
-```
-SetPlayerPosition(const Position* p):
- player_position_.objcell_id = p->objcell_id
- Frame::operator=(&player_position_.frame, &p->frame)
-```
-
-Who writes it, and when:
-
-| Caller | Source | Cadence |
-|---|---|---|
-| `SmartBox::set_viewer` (`0x00452D36`) | `SmartBox::viewer` | see below |
-| `CreatureMode::Render` (`0x00452A83`, `0x00452AAE`) | `creature_view_frame`, then restores the saved `player_position_` | per creature-mode frame |
-
-`SmartBox::set_viewer(pos, type)` copies `pos` into `SmartBox::viewer` and then hands
-`&this->viewer` to `SoundManager::SetPlayerPosition`, `LScape::set_sky_position`, and
-`SceneTool::SetupCamera` — so **the audio listener is the same Position the camera uses.**
-Its writers:
-- `SmartBox::update_viewer` (`0x00453CE0`), called from `SmartBox::DrawNoBlit`
- (`0x00454C34`) — **once per rendered frame**. It runs the third-person camera through a
- `CTransition` sphere sweep (`viewer_sphere`) and sets the viewer to the *collided camera
- position* (`type = 0`); on sweep failure it falls back to
- `set_viewer(&player->m_position, 1)`.
-- `SmartBox::PlayerPositionUpdated` / `TeleportPlayer` / `BlipPlayer` —
- `set_viewer(&player->m_position, 1)`, event-driven.
-
-So: **listener = camera viewer position + that Position's `Frame` heading, in world/cell
-space (objcell_id + Frame), refreshed every rendered frame.** Only two things are read out
-of it: the frame origin (distance) and `Frame::get_heading` (pan). No up vector, no
-velocity ⇒ **no doppler, no roll/pitch influence, no elevation cue**.
-
-### Looping and the ambient driver
-
-`SoundBuf::Play` always passes `dwFlags = 0`. **Nothing in SoundManager ever loops.** The
-only looped buffer in the client is `CDirSound`'s primary buffer.
-
-Sustained ambience is a **re-trigger scheduler**:
-
-```
-Ambient::Play(AmbientSound* a):
- if !a->CanHear(): a->on_queue = 0; return
- if a->PlayNow():
- if a->GetSoundPos(&pos): Ambient::PlaySoundA(stype, table, &pos, a->GetVolume())
- else: PlayAmbientSoundFromCenter(stype, table, a->GetVolume())
- Insert(&sound_queue, Timer::cur_time + a->GetPlayInterval(), a) # PQueueArray
- a->on_queue = 1
-
-Ambient::UseTime(): # SmartBox::UseTime -> per game tick
- if !ambient_sounds_enabled: return
- while sound_queue not empty and sound_queue.top().key <= Timer::cur_time:
- pop and Ambient::Play(it)
-
-Ambient::PlaySoundA(stype, table, pos, vol):
- pos ? PlayAmbientSound(stype, table, pos, vol) : PlayAmbientSoundFromCenter(stype, table, vol)
-```
-
-`ConstantSound` (has `current_volume`) and `IntermitSound` (has `play_chance`,
-`min_dist[8]`, `max_dist[8]`, `num_dir`, `sound_dir[8]`) are the two `AmbientSound`
-subclasses supplying `GetVolume` / `GetPlayInterval` / `CanHear` / `PlayNow`.
-`Ambient::AddSound` gates on `Ambient::ambient_sound_max_dist_sq` and weights with
-`Ambient::CalcWeight` (which uses `ambient_sound_min_dist_sq` / `..._max_dist_sq`).
-
-### Pitch / frequency
-
-`DSBCAPS_CTRLFREQUENCY (0x20)` is requested on **every** buffer, and
-`IDirectSoundBuffer::SetFrequency` is **never called anywhere in the binary**. Retail has
-**no pitch or frequency variation** on sound effects. There is no `PitchMin`/`PitchMax`
-concept in `SoundData` — the four fields are `sound_id_`, `priority_`, `probability_`,
-`volume_`, full stop.
-
-### Per-frame voice maintenance
-
-`SetPan` and `SetVolume` are called from exactly one place: `SoundBuf::Play`. There is no
-SoundManager tick, no `UseTime`, no reposition pass. **A voice keeps the pan and volume it
-was born with for its entire lifetime.** If a drudge emits a footstep and then runs past
-you, that footstep does not move. If a source is beyond ≈94 m the sound is never started
-at all rather than started quietly.
-
----
-
-## 2. acdream today
-
-`OpenAlAudioEngine.Play3DWave` is the only live 3D path (called from
-`AudioHookSink.Play`, i.e. animation `SoundHook` / `SoundTableHook` / `SoundTweakedHook`).
-It:
-1. computes `effectiveGain = volume * SfxVolume`, drops if `< 0.001f`;
-2. uploads/reuses an AL buffer (LRU byte-budgeted, 48 MiB);
-3. picks a slot: first free-or-not-playing in ring order, else first with
- `PlayingGain < effectiveGain`, else drop;
-4. sets `Gain = effectiveGain`, `Pitch`, `Position`, `SourceRelative = false`,
- `Looping = false`, plays;
-5. records `PlayingGain`, `PriorityBase = clamp((int)priority, 0, 7)`, advances the cursor.
-
-Sources are configured once (`Configure3DSource`): `MaxDistance = 1000`,
-`RolloffFactor = 1`, `ReferenceDistance = 2`, and the global model is
-`DistanceModel.InverseDistanceClamped` (`SelectRetailDistanceModel`).
-
-`SetListener` is called per frame from `WorldRenderFrameBuilder.Apply` with the camera
-position and a real forward/up pair derived from `camera.InverseView`;
-`MasterVolume` is pushed into `AL_GAIN` on the listener.
-
-`AudioFalloff.AttenuationAt` and `AudioFalloff.PanFromRelative` in
-`AcDream.Core/Audio/AudioModel.cs` are **dead code** — `grep` across `src/` and `tests/`
-finds no caller.
-
----
-
-## 3. Divergence table
-
-| # | Aspect | Retail (verified) | acdream | Severity |
-|---|---|---|---|---|
-| D1 | Voice-allocator citation | `SoundManager::PlaySoundInternal(SoundBufRef*,int,int)` at **`0x0054FEC0`** | comment cites `FUN_00550AD0` / `chunk_00550000.c:527`; `0x00550AD0` is inside `IntrusiveHashTable::ctor` (`0x00550A60`) — **wrong function** | doc bug, fix the citation |
-| D2 | Eviction key | `slot.priority < new.priority` (float `SoundData.priority_` from the SoundTable), strictly less; equal never evicts; gain never consulted | `slot.PlayingGain < effectiveGain` (volume × SfxVolume); `PriorityBase` stored but unused | **behavioural — loud-and-unimportant beats quiet-and-important** |
-| D3 | Priority type/range | `float`, unclamped, straight from the DAT | `clamp((int)priority, 0, 7)`; model comments it "0..7" | flattens the ordering |
-| D4 | Distance model | inverse **square** with 5 m reference: `min(1, 25·vol/d²)` | OpenAL `InverseDistanceClamped`, ref 2 m, rolloff 1 ⇒ `2/max(d,2)` — inverse **first power**, 2 m reference | **behavioural, large** |
-| D5 | Dead falloff helper | — | `AttenuationAt(d, minDistance = 1.0f)`: right shape, wrong reference (1 m vs 5 m), and never called | dead + wrong |
-| D6 | Audible cutoff | hard drop when `ceil(20·log10 g) < −50 dB` ⇒ **≈94.2 m** at vol·master 1.0 (≈66.6 m at 0.5, ≈29.8 m at 0.1); the voice is never allocated | no distance cutoff; only `effectiveGain < 0.001f` (≈ −60 dB, distance-independent) | far sounds audible that retail silences; wasted voices |
-| D7 | Gain quantisation | `ceil` to whole decibels, floor −50 dB | continuous float gain | subtle; retail stair-steps |
-| D8 | Pan computation | CPU-side, angular: `pan_dB = (int)(−15·sin(Δheading))`, `Δheading` = normalise180(heading(src→listener) − listenerHeading); saturates at ±15 dB; **zero when `(int)distance < 5`**; no front/back, no elevation | OpenAL panner from full 3D vectors: front/back distinguished, elevation contributes, no 5 m deadzone, full stereo separation | **behavioural — our image is wider and 3D; retail's is a narrow 15 dB angular pan** |
-| D9 | Dead pan helper | — | `PanFromRelative(relativeX, panRange = 20f)`: linear in relative X, invented 20 m constant, no retail counterpart, never called | dead + wrong |
-| D10 | Pan disable switch | `s_SoundFeatures == 1` ⇒ pan forced 0 | none | missing pref |
-| D11 | Volume knobs | 3 sliders (`"Sound Volume"`, `"Ambient Sound Volume"`, `"Interface Sound Volume"`) + 4 bools; **no master, no music volume**; exactly one multiply, inside `GetAttenuation` | `MasterVolume` (AL listener gain), `SfxVolume`, `MusicVolume = 0.7`, `AmbientVolume = 0.8` (last two unused) | different taxonomy; defaults 0.7/0.8 are invented |
-| D12 | Retail quirk: squared master | `PlaySoundA(DataID, CPhysicsObj*)` passes `effect_sound_volume` as `vol`, and `GetAttenuation` multiplies by `effect_sound_volume` again ⇒ **effect volume squared**. Same for `PlayAmbientSound*`, which pre-multiply by `ambient_sound_volume` ⇒ **ambient volume squared** | single multiply | port decision needed — faithful = squared |
-| D13 | Retail quirk: dead knob | `interface_sound_volume` is registered and never read; interface sounds are scaled by **`effect_sound_volume`** (`GetAttenuation` called with `ambient = 0`) | n/a | do not implement an interface-volume slider that works |
-| D14 | Active-app gate | `s_bPlaySoundOnlyWhenActive` (default **1**) + `Device::m_bIsActiveApp` checked in every entry point and in both `PlaySoundInternal` overloads | none — acdream keeps playing when unfocused | missing pref/behaviour |
-| D15 | Listener source | `SmartBox::viewer` = collided third-person camera Position (falls back to `player->m_position`), per rendered frame; only origin + `Frame::get_heading` are read | camera position **plus** real forward/up from `InverseView`, per frame | ours is richer than retail — and that richness is what creates D8's front/back cue. Not "fixed orientation" as suspected; it is live |
-| D16 | Doppler / velocity | none (no listener or source velocity ever set) | none set either (AL defaults 0) | ✓ match |
-| D17 | Per-frame reposition | none. Pan+volume frozen at emission; `SoundPlayingData.start_time` written, never read | source position also set once — but OpenAL re-evaluates distance/pan against the live listener every frame, so our voices **do** sweep as the listener moves | **behavioural: retail voices are frozen in the listener frame; ours are world-static and continuously re-panned** |
-| D18 | Looping | never (`Play(0,0,0)`); sustained ambience = `Ambient` PQueue re-trigger on `Timer::cur_time + GetPlayInterval()`, drained in `Ambient::UseTime` per tick, gated by `CanHear`/`PlayNow` | `Looping = false` always ✓, but `SoundEntry.Loop` exists unused and `StartAmbient` only reserves a handle — **no ambient layer at all** | whole subsystem missing (not a math divergence) |
-| D19 | Pitch | `SetFrequency` never called; `SoundData` has no pitch fields | `SoundEntry.PitchMin/PitchMax` invented; `pitch` plumbed but always 1.0 | ✓ matches in effect; model carries fictional fields |
-| D20 | Variant selection | `idx = (int)(RollDice(0,1) · (n−1))` — last row unreachable (p≈1/32768); then `probability_` is an **independent gate** `rand()/32767 < prob` | `SoundCookbook.Roll` treats `Probability` as a **cumulative weight** with a silence tail | **behavioural — wrong distribution both ways** |
-| D21 | Probability applied where | `SoundType` overloads + the 5-arg DID overload; **not** `PlaySoundA(DataID,obj)` nor `PlaySoundFromCenter(DataID,vol)` | uniform | minor |
-| D22 | Buffer residency | refcounted `CreateSound`/`DestroySound`; wave decoded + copied to a DS buffer eagerly at register time; a play of an unregistered id is a silent no-op; each voice is a `DuplicateSoundBuffer` freed on slot reuse | lazy upload on first play, 48 MiB LRU; 16 persistent AL sources | legitimate modern adaptation; note only that our LRU can evict what retail pins, and we can hitch on first play |
-| D23 | Device init | `DirectSoundCreate` + `SetCooperativeLevel(DSSCL_PRIORITY)`; primary buffer `DSBCAPS_PRIMARYBUFFER|CTRL3D`, format PCM 2ch/16-bit/11025 Hz; 3D listener rolloff 0.01, front (−1,0,0), top (0,1,0) — **all unused because every gameplay buffer is `m_3D = 0`** | OpenAL-Soft default device, 3D sources | fine; do not port the 3D listener |
-
-### D4/D6 numbers side by side (vol = master = 1.0)
-
-> **Corrected 2026-08-08 at the A2 code review:** the 30 m row read −35 dB, which
-> contradicted both its own gain column (0.0278) and the formula —
-> `ceil(20·log10 0.027778) = ceil(-31.13) = -31`. It is now −31. The conformance
-> tests in `RetailSoundMixerTests` recompute every row from the decoded formula
-> rather than reading this table, which is how the slip surfaced.
-
-| distance | retail gain | retail dB (`ceil`) | acdream gain (`2/max(d,2)`) | acdream dB |
-|---|---|---|---|---|
-| 2 m | 1.000 | 0 | 1.000 | 0.0 |
-| 5 m | 1.000 | 0 | 0.400 | −8.0 |
-| 10 m | 0.250 | −12 | 0.200 | −14.0 |
-| 20 m | 0.0625 | −24 | 0.100 | −20.0 |
-| 30 m | 0.0278 | −31 | 0.0667 | −23.5 |
-| 50 m | 0.0100 | −40 | 0.0400 | −28.0 |
-| 90 m | 0.00309 | −50 (last audible) | 0.0222 | −33.1 |
-| ≥94.2 m | — | **not played** | 0.0212 | −33.5 |
-| 200 m | — | **not played** | 0.0100 | −40.0 |
-
-Retail is *louder near* and *silent far*; acdream is *quieter near* and *audible
-everywhere*. This is the single largest audible divergence.
-
----
-
-## 4. Port-ready summary (what a faithful `RetailSoundMixer` needs)
-
-```
-Constants
- VOL_MIN_DIST = 5.0f metres
- VOL_MIN_DIST_SQ = 25.0f
- VOL_MIN = -50 decibels
- PAN_SCALE = -15.0 (applied to sin of the reversed bearing)
- PAN_DEADZONE = 5 metres, compared against (int)distance
- VOICES = 16
- dB(g) = ceil(20 * log10(g)) // g in (0,1]
-
-Per play (3D):
- dist = |listener.origin - source.origin| // 3D, cross-landblock, metres
- g = dist < 5 ? vol : 25*vol/(dist*dist)
- g = min(g, 1)
- g *= isAmbient ? ambientVolume : effectVolume // ONE multiply
- if g <= 0: drop
- db = ceil(20*log10(g)); if db < -50: drop
- delta = normalise180( bearing(source -> listener) - listenerHeadingDegrees )
- pan = (int)(-15 * sin(delta * pi/180)) # TRUNCATE toward zero (retail _ftol2),
- # NOT floor: they differ by 1 dB for
- # negative pans. Corrected 2026-08-08 at
- # the A2 review; §1 was already right.
- if (int)dist < 5: pan = 0
- allocate voice: ring scan from cursor for free/finished;
- else first slot with slotPriority < newPriority;
- else DROP
- gain_linear = 10^(db/20); pan_linear = ±(1 - 10^(-|pan|/20)) style 15 dB max separation
- play once (no loop); never touch pan/gain again for this voice
-```
-
-For OpenAL specifically: set `AL_SOURCE_RELATIVE = true` and place the source at a
-synthetic listener-relative point that reproduces the 15 dB pan (or use the stereo-panning
-extension), with `AL_ROLLOFF_FACTOR = 0` so OpenAL's distance model is out of the loop and
-the retail dB/pan pair is authoritative. Trying to bend `InverseDistanceClamped` into
-`25/d²` is not possible — OpenAL's inverse model is first-power only; `AL_INVERSE_DISTANCE`
-with rolloff cannot produce a squared curve, and `AL_EXPONENT_DISTANCE` with
-`AL_ROLLOFF_FACTOR = 2` gives `(d/ref)^-2` which *does* match `25/d²` for `ref = 5` —
-that is the one-line fix if we want to keep the gain in AL rather than on the CPU.
-(`AL_EXPONENT_DISTANCE_CLAMPED`, `AL_REFERENCE_DISTANCE = 5`, `AL_ROLLOFF_FACTOR = 2`,
-`AL_MAX_DISTANCE = 94.2` reproduces D4 and D6 together; the ±15 dB pan and the 5 m pan
-deadzone still have to be CPU-side.)
-
-## 5. Decomp hazards found (worth a memory note)
-
-1. **BN elides x87 memory constants.** `GetAttenuation`'s pseudo-C prints
- `((long double)0f) * arg2 / (arg1*arg1)` and `... * ((long double)0.0) * 6.0206`. The
- binary has `fmul dword [VOL_MIN_DIST_SQ]` (25.0) and `fmul qword [INV_LOG_OF_2]`
- (1/ln 2). Reading the pseudo-C alone yields *zero gain at all distances*.
-2. **BN misattributes reused stack slots.** In `PlaySoundInternal(pos)` it reports the
- `< 5.0` comparison as an angle test on `var_4`; the binary converts `[esp+4]` =
- **distance**. Porting the pseudo-C gives a 5-degree pan deadzone instead of a 5-metre
- one.
-3. `SoundManager` has **no instance** (`struct SoundManager {}` in `acclient.h`) — every
- field is a file-scope static. Do not look for a `this`.
diff --git a/docs/research/2026-08-08-slice5-vendor-browse-research.md b/docs/research/2026-08-08-slice5-vendor-browse-research.md
deleted file mode 100644
index 766c6281..00000000
--- a/docs/research/2026-08-08-slice5-vendor-browse-research.md
+++ /dev/null
@@ -1,920 +0,0 @@
-# Slice 5 research — vendor browse lifecycle
-
-**Date:** 2026-08-08
-**Scope:** Slice 5 of `docs/plans/2026-07-23-world-interaction-completion.md` —
-"Vendor use opens the authored vendor surface, publishes its inventory, and
-supports retail selection/browsing." Buy/sell transactions, quantities, and
-authoritative reconciliation are Slice 6 and explicitly fenced out below
-(Section D).
-
-**Verified starting point:** repo HEAD at research time was `fa0c053e`
-("docs(physics): #347 closed WITHOUT a code change..."), which is at/after
-the required `fa0c053e` gate. This document makes no code changes; it is a
-research foundation only.
-
-**Reference hierarchy used** (per `CLAUDE.md`): named-retail decomp
-(`docs/research/named-retail/acclient_2013_pseudo_c.txt` +
-`symbols.json`) is the top oracle for client behavior. ACE
-(`references/ACE/`) is authoritative for what the server sends/validates.
-holtburger (`references/holtburger/`) is authoritative for what a real
-client actually sends and how a full client models the state. Chorizite.ACProtocol
-(`references/Chorizite.ACProtocol/`) is a clean-room field-order cross-check.
-Where two sources could plausibly disagree, this document says which one the
-project's hierarchy prefers — in every case investigated here they agreed
-byte-for-byte.
-
----
-
-## A. The wire (browse only)
-
-### A.1 — What the client sends to open a vendor
-
-There is **no vendor-specific open message**. Opening a vendor rides the
-ordinary **`GameAction 0x36 — UseItem`** (`Use`) action — the exact same
-opcode already used for every other "double-click to use" interaction
-(containers, doors, levers, Slice 4's equipped-child picking, etc.).
-
-- ACE: `GameActionType.Use = 0x0036` —
- `references/ACE/Source/ACE.Server/Network/GameAction/GameActionType.cs:28`.
- Handler: `GameActionUseItem.Handle` →
- `session.Player.HandleActionUseItem(itemGuid)` —
- `references/ACE/Source/ACE.Server/Network/GameAction/Actions/GameActionUseItem.cs:5-16`.
- `HandleActionUseItem` resolves the guid, optionally walks the player to it,
- then calls `TryUseItem(item)` →
- `references/ACE/Source/ACE.Server/WorldObjects/Player_Use.cs:176-241`.
- `TryUseItem` calls `item.OnActivate(this)`, which (for a `Vendor`, whose
- `ActivationResponse` includes `Use`) dispatches virtually to
- `Vendor.ActOnUse` —
- `references/ACE/Source/ACE.Server/WorldObjects/Vendor.cs:229-266`.
-- holtburger: `AppAction::OpenShop { vendor }` →
- `result.commands.push(ClientCommand::Use(vendor))` —
- `references/holtburger/apps/holtburger-cli/src/pages/game/domains/trade_vendor.rs:40-49`.
- Confirms a real client also just sends the ordinary Use command; there is
- no `ClientCommand::OpenVendor`.
-- acdream already sends this opcode today:
- `InteractRequests.UseOpcode = 0x0036` —
- `src/AcDream.Core.Net/Messages/InteractRequests.cs:29`. **No new outbound
- message is needed for Slice 5.**
-- The retail client's own use-classification policy already special-cases
- vendors: `PublicWeenieFlags.Vendor = 0x00000200` (retail
- `PublicWeenieDesc::BitfieldIndex`, `acclient.h:6431`, verified at binary
- `0x005884B6`/`0x00588752`) —
- `src/AcDream.Core/Items/ItemInteractionPolicy.cs:21`. A vendor NPC's
- `Useability` marks it `IsUseable`, so `ItemInteractionPolicy.DecideUse`
- falls into the plain `SendUse` + `IncrementBusy` branch
- (`src/AcDream.Core/Items/ItemInteractionPolicy.cs:267-288`) — the exact
- same path already exercised by every other useable NPC/object.
-
-### A.2 — What the server sends back: `ApproachVendor` (GameEvent `0x0062`)
-
-`GameEventType.ApproachVendor = 0x0062` —
-`references/ACE/Source/ACE.Server/Network/GameEvent/GameEventType.cs:16`;
-already declared in acdream at
-`src/AcDream.Core.Net/Messages/GameEventType.cs:26` (currently unhandled —
-`GameEventDispatcher` will count it in `UnhandledCounts` until Slice 5 wires
-a handler).
-
-Full field-by-field wire layout, cross-verified across **three independent
-sources** (ACE's writer, retail's `VendorProfile::UnPack`/`ItemProfile::UnPack`
-decompiled reader, and Chorizite's generated reader/writer) with **zero
-disagreement**:
-
-| # | Field | Type | ACE source | Retail source | Chorizite name |
-|---|---|---|---|---|---|
-| 1 | Vendor's own guid | `u32` | `GameEventApproachVendor.cs:14` | `Handle_VendorInfo` `edi = *(u32*)eax` (`pc:370614`) | `Vendor_VendorInfo.ObjectId` |
-| 2 | `MerchandiseItemTypes` (categories the vendor buys) | `u32` (`ItemType`) | `:17` | `VendorProfile::UnPack` `item_types` (`pc:484940`) | `VendorProfile.Categories` |
-| 3 | `MerchandiseMinValue` | `u32` | `:18` | `min_value` (`pc:484943`) | `VendorProfile.MinValue` |
-| 4 | `MerchandiseMaxValue` | `u32` | `:19` | `max_value` (`pc:484946`) | `VendorProfile.MaxValue` |
-| 5 | `DealMagicalItems` | `u32` (0/1) | `:21` `Convert.ToUInt32` | `magic` (`pc:484949`) | `VendorProfile.DealsMagic` (bool) |
-| 6 | `BuyPrice` (rate applied when the vendor **buys from** the player — i.e. what the player receives when selling) | `float` | `:23` | `buy_price` (`pc:484952`) | `VendorProfile.BuyPrice` |
-| 7 | `SellPrice` (rate applied when the vendor **sells to** the player — i.e. what the player pays when buying) | `float` | `:24` | `sell_price` (`pc:484955`) | `VendorProfile.SellPrice` |
-| 8 | Alternate-currency wcid (`AlternateCurrency ?? 0`) | `u32` (dat id) | `:27` | `trade_id.id` (`pc:484960`) | `VendorProfile.CurrencyId` |
-| 9 | Player's current holding of that currency + amount just spent (0 if pyreal vendor) | `u32` | `:37,44` | `trade_num` (`pc:484961`) | `VendorProfile.CurrencyAmount` |
-| 10 | Alt-currency plural name (empty string if pyreal vendor) | `String16L` | `:40,45` | `trade_name` (`PStringBase::UnPack`, `pc:484963`) | `VendorProfile.CurrencyName` |
-| 11 | Item count | `u32` (`vendor.DefaultItemsForSale.Count + UniqueItemsForSale.Count`) | `:50` | `PackableList::UnPack` count prefix (`pc:370625`) | `Vendor_VendorInfo.Items` (list length prefix) |
-| 12..N | Per-item entries (see below) | — | `:52-61` | — | `List` |
-
-**Field-name naming trap (worth flagging loudly for the contract):**
-retail's client-side `VendorProfile::VendorSellPrice(profile, pwd, stack)`
-computes what **you pay to buy** an item — it uses the `sell_price` field
-(field 7 above), i.e. "the price at which the vendor is selling." ACE's
-server-side `Vendor.GetSellCost` (`Vendor.cs:577-585`) is the same
-computation and uses `SellPrice` (same field). Conversely
-`VendorBuyPrice`/`GetBuyCost` (what the vendor pays when **you sell to it**)
-uses `buy_price`/`BuyPrice`. The names read backwards from an English-first
-intuition ("BuyPrice" sounds like "price I pay to buy," but it's actually
-"price the vendor pays when buying from you"). Any pricing helper in
-acdream should carry an explicit doc comment quoting this inversion.
-
-**Per-item encoding** — confirmed to be the **full CreateObject-style
-weenie description**, not a compact profile. Retail's `ItemProfile::UnPack`
-(`pc:484668-484742`, symbol `0x005D1910`):
-
-1. Packed `u32`: low 24 bits = stack size (sign-extended; `0xFFFFFF` ⇒ `-1`
- ⇒ unlimited supply), high 8 bits = `pwdType` (`-1` = new
- `PublicWeenieDesc`, `1` = legacy `OldPublicWeenieDesc`, always `-1` in
- practice). Matches ACE's writer exactly:
- `Writer.Write(stackSize & 0xFFFFFF | -1 << 24)` —
- `GameEventApproachVendor.cs:58`.
-2. `u32` item guid (`iid`) — read **before** the desc body, i.e. it is a
- distinct field from whatever the desc-body parser reads.
-3. The desc body itself: `pwd->vtable->UnPack(arg2, arg3)` — this is the
- **same `PublicWeenieDesc` unpack used by ordinary `CreateObject`**, minus
- model/physics data. ACE confirms: `obj.SerializeGameDataOnly(writer)` →
- `SerializeCreateObject(writer, gamedataonly: true, ...)` —
- `references/ACE/Source/ACE.Server/WorldObjects/WorldObject_Networking.cs:39-58`.
- `SerializeCreateObject` writes `Guid` first (matching step 2 above, since
- `gamedataonly` still writes the guid, just skips `SerializeModelData` +
- `SerializePhysicsData`), then the `weenieFlags`/name/wcid/icon/itemType/
- `objDescriptionFlags` fixed prefix and the same conditional tail fields
- (`PluralName`, `ItemsCapacity`, `Value`, `Useability`, `StackSize`,
- `WielderId`, `ValidSlots`, etc.) that every `CreateObject` carries.
- Chorizite's `PublicWeenieDesc.generated.cs` (`Read`/`Write`, lines
- 226-480) is the exact field-by-field cross-check and matches
- `WorldObject_Networking.cs:56-130` bit-for-bit.
-4. Retail's `gmVendorUI::OpenVendor` (`pc:203650`, `0x004C4BA0`) then
- materializes **each list item as a full `CWeenieObject`** via
- `CFactory::MakeCWeenieObject` and registers it in
- `ClientObjMaintSystem`/`CObjectMaint` — the same object table every other
- spawned entity lives in (`pc:203720-203748`). Vendor items are not a
- separate lightweight vendor-item record in retail; they are ordinary
- client objects with no spatial presence. **Recommendation:** acdream's
- `ClientObjectTable` should host vendor items the same way (see C.2/C.5).
-
-`decode_vendor_item_supply` in holtburger confirms the sign-extension
-handling for the packed stack-size field independently:
-`references/holtburger/crates/holtburger-world/src/hydration.rs:33-40`
-(`(packed << 8) as i32 >> 8`, negative ⇒ unlimited), with tests at
-`hydration.rs:320-330`.
-
-### A.3 — How browsing stays current; what closes it server-side
-
-**The list is a full snapshot, not incrementally updated.** Each
-`ApproachVendor` is a complete replace (whole `VendorProfile` + whole item
-list); there is no delta/patch opcode for vendor contents in ACE or the
-retail decomp. A fresh `ApproachVendor` arrives on: initial open
-(`Vendor.ActOnUse` → `ApproachVendor(player, VendorType.Open)`,
-`Vendor.cs:246-266`), after a successful buy
-(`FinalizeBuyTransaction` → `vendor.ApproachVendor(this, VendorType.Buy, ...)`,
-`Player_Commerce.cs:112`), and after a successful sell
-(`ProcessItemsForPurchase` → `ApproachVendor(player, VendorType.Sell)`,
-`Vendor.cs:661`). All three are Slice 6 triggers (buy/sell); Slice 5 only
-needs to handle the initial-open case, but the parser/state owner should be
-built expecting **replace semantics** (mirroring how
-`ExternalContainerState`/`ViewContents` already model "authoritative full
-replace," see C.2).
-
-**Server-side close is polling, not a push.** `Vendor.CheckClose` runs
-every `closeInterval = 1.5f` seconds
-(`references/ACE/Source/ACE.Server/WorldObjects/Vendor.cs:322-367`) and, if
-the last-interacting player has moved beyond `UseRadius`, calls
-`EmoteManager.DoVendorEmote(VendorType.Close, ...)` — this is a **cosmetic
-emote broadcast** (goodbye animation/chat text via
-`EmoteManager.DoVendorEmote` →
-`references/ACE/Source/ACE.Server/WorldObjects/Managers/EmoteManager.cs:1763-1770`),
-**not a distinct wire opcode that tells the client to close its panel.**
-There is no server→client "vendor closed" GameEvent.
-
-Retail's own client independently tracks distance and closes locally: on
-open, `gmVendorUI::OpenVendor` registers a range watcher —
-`CPlayerSystem::RegisterObjectRangeHandler(..., eax->id, eax->pwd._useRadius, ...)`
-(`pc:203677`, `0x004C4C34`) — and `gmVendorUI::OnObjectRangeExit`
-(`pc:199486`, `0x004C02F0`) calls `gmVendorUI::CloseVendor` when that
-handler fires. `gmVendorUI::CloseVendor` (`pc:202080`, `0x004C3020`) clears
-the buy/sell/items sub-UI, calls
-`CPlayerSystem::UnregisterObjectRangeHandler`, and resets shop state. This
-confirms **the client, not the server, owns the close decision** — retail's
-client independently watches distance client-side (belt-and-suspenders with
-ACE's server-side emote, which is purely cosmetic).
-
-Also: reopening the *same* vendor id while already open does **not** tear
-down the sub-UIs — `gmVendorUI::OpenVendor` only calls `CloseVendor(true)`
-(same-vendor flag) when `shopVendorID` was already set and matches, which
-skips the sub-UI clear (`pc:203664-203668`). Reopening a *different* vendor
-while one is open closes the old one first. This matters for the reset
-lifecycle contract (C.2): "reset on any new `ApproachVendor` for a different
-guid; refresh-in-place on a same-guid `ApproachVendor`."
-
-### A.4 — What the client sends when the panel closes
-
-**Nothing.** Closing the vendor panel is entirely client-local UI state with
-no outbound wire message. Confirmed in two independent places:
-
-- holtburger: `AppAction::ClearVendor => { state.view.vendor = None; }` —
- `references/holtburger/apps/holtburger-cli/src/pages/game/domains/trade_vendor.rs:95-98`.
- No command is pushed to the outbound queue.
-- ACE has no `HandleAction*CloseVendor*` handler anywhere in
- `references/ACE/Source/ACE.Server/WorldObjects/` (only
- `HandleActionBuyItem`/`HandleActionSellItem` exist —
- `Player_Commerce.cs:22`, `126`).
-- Retail's `gmVendorUI::CloseVendor` (`pc:202080`) is a pure UI-teardown
- function; it does not build or send a message.
-
-There is one indirect trigger: holtburger clears the vendor view when a
-*trade* (player-to-player) starts (`ClientViewEvent::TradeStateUpdated`,
-`trade_vendor.rs:134-137`), which is a local UX choice (only one modal
-commerce surface at a time), not a protocol requirement.
-
----
-
-## B. Retail client mechanism (named-retail decomp)
-
-685 lines in `acclient_2013_pseudo_c.txt` reference "Vendor." The full
-symbol family (`docs/research/named-retail/symbols.json`), with addresses:
-
-| Symbol | Address | Role |
-|---|---|---|
-| `ClientUISystem::Handle_VendorInfo` | `0x00565D10` | Entry point for the inbound `ApproachVendor` message; unpacks `VendorProfile` + item list, then fans out via `CM_Vendor::SendNotice_OpenVendor` |
-| `VendorProfile::UnPack` / `::VendorProfile` | `0x005D1D20` / `0x005D1BE0` | Wire unpack for the profile header (field table above) |
-| `ItemProfile::UnPack` / `::Pack` | `0x005D1910` / `0x005D1890` | Wire unpack for each shop item |
-| `VendorProfile::VendorSellPrice` / `::VendorBuyPrice` | `0x005D1B00` / `0x005D1B70` | Client-local price computation (see B.1) |
-| `VendorProfile::InqAcceptability` / `::IsAcceptable` | `0x005D1A90` / `0x005D1B50` | Sell-eligibility filter (item type/value/magic) — Slice 6 territory but touches the browse UI (see D) |
-| `ShopSystem::BuyPrice` / `::SellPrice` | `0x006B6120` / `0x006B6180` | The actual rounding formula (see B.1) |
-| `gmVendorUI::Create` | `0x004C26A0` | Panel factory (`LayoutDesc`-driven `UIElement` construction) |
-| `gmVendorUI::OpenVendor` | `0x004C4BA0` | Panel-level open handler — receives the already-unpacked profile+list |
-| `gmVendorUI::CloseVendor` | `0x004C3020` | Panel-level close/reset |
-| `gmVendorUI::ResetShopState` | `0x004C26D0` | Full shop-state reset (buy list, sell list, filters) |
-| `gmVendorUI::OpenTab` | `0x004C0390` | Switches the Buy/Sell tab |
-| `gmVendorUI::OnObjectRangeExit` | `0x004C02F0` | Client-side distance-close trigger (see A.3) |
-| `VendorItemsUI::OpenVendor` / `::UpdateItemsList` / `::UpdateItemsUI` / `::AddTypeFilter` / `::ListContainsType` | `0x004C16D0` / `0x004C1EA0` / `0x004C38E0` / `0x004C05C0` / `0x004C0D90` | The item-list sub-panel: population, category-tab filtering |
-| `VendorBuyUI::OpenVendor` / `::UpdateBuyUI` / `::UpdateTotalValue` / `::UpdateTransactionValue` | `0x004C49D0` / `0x004C0E10` / `0x004C33D0` / `0x004C3150` | Buy-side sub-panel (Slice 6, but shares the item list — see D) |
-| `VendorSellUI::OpenVendor` / `::AddItemToSell` / `::DragItemAcceptable` | `0x004C2FB0` / ... | Sell-side sub-panel (Slice 6) |
-| `CM_Vendor::SendNotice_OpenVendor` / `::SendNotice_CloseVendor` / `::SendNotice_AddItemToSell` | `0x0055F...`-family | Internal (non-network) client notice-bus fanout from the wire handler to the UI listeners |
-| `CM_Vendor::Event_Buy` / `::Event_Sell` | `0x006AA0F0` / `0x006AA000` | Outbound buy/sell message builders (Slice 6) |
-
-### B.1 — Panel open/close, list population, tabs, price display
-
-`ClientUISystem::Handle_VendorInfo` (`pc:370610-370649`) is the routing
-entry point: reads the vendor guid, unpacks `VendorProfile`, unpacks the
-`PackableList`, then calls
-`CM_Vendor::SendNotice_OpenVendor(vendorGuid, &profile, &itemList, mode)`
-where `mode` is `2` (Open/Buy tab) or `3` (Sell tab), chosen by whether this
-reply correlates to the client's own tracked `attemptOpenVendorID` (a
-client-side request-correlation token, analogous to acdream's
-`RuntimeInteractionTransactionState` request tracking — see C.1). If a
-pending sell-item id (`attemptSaleObjectID`) is also armed, a second
-internal notice (`SendNotice_AddItemToSell`) fires. **For Slice 5's browse
-scope, the practical rule is: opening a vendor via ordinary Use always
-yields mode 2 (Buy/browse tab), since `attemptOpenVendorID` is only armed by
-a sell-drag action (Slice 6).**
-
-`gmVendorUI::OpenVendor(vendorId, profile, itemList, mode)`
-(`pc:203650-...`) is the panel controller reached via that notice:
-
-1. If a *different* vendor is currently open, it force-closes the old one
- first (`CloseVendor(false)`); reopening the *same* vendor id refreshes
- in place (`CloseVendor(true)`, skipping sub-UI teardown).
-2. Registers a distance watcher: `CPlayerSystem::RegisterObjectRangeHandler`
- keyed to the vendor's own `UseRadius` (`pwd._useRadius`) — this is what
- drives the client-local auto-close (A.3).
-3. Copies the profile and item list into panel-owned storage
- (`VendorProfile::operator=`, `PackableList::operator=`).
-4. Materializes every list item as a full `CWeenieObject` in
- `ClientObjMaintSystem` (already covered in A.2 point 4) — items you have
- never seen a `CreateObject` for still get a real client object, since the
- `PublicWeenieDesc` in the `ItemProfile` is sufficient to construct one.
-5. Opens a tab by authored control id: **`UIElement_Panel::OpenTab(panel, 0x100000B9)`**
- for mode 2 (Buy/browse) or **`0x100000BB`** for mode 3 (Sell) —
- `pc:203791`/`203801`. These are concrete DAT UI-element ids baked into
- the executable; they are strong candidates for the browse panel's own
- tab-control ids once the panel's own `LayoutDesc` is dat-extracted (see
- B.3 — the numeric neighborhood matches other already-confirmed vendor-
- adjacent ids like the examination window's `0x100000B5/B6/71/72`).
-
-**Category/type filtering** happens in `VendorItemsUI` — `AddTypeFilter`
-(`0x004C05C0`) and `ListContainsType` (`0x004C0D90`) drive the tab-per-
-item-type UI (weapons/armor/misc tabs seen in retail vendor windows), fed
-by `UpdateItemsList`/`UpdateItemsUI` (`0x004C1EA0`/`0x004C38E0`). This is
-squarely "supports retail selection/browsing" (in Slice 5's stated scope)
-but has not been read in exhaustive detail here — flagged as an open
-question (see bottom).
-
-**Price display is computed client-side, not sent pre-computed.** Neither
-`VendorProfile` nor `ItemProfile`/`PublicWeenieDesc` carries a "displayed
-price" field — only the item's raw `Value` and the vendor's `buy_price`/
-`sell_price` rates. The client computes the number shown in the list
-itself:
-
-- `VendorProfile::VendorSellPrice(profile, pwd, stackCount)` (`pc:484801-484813`,
- `0x005D1B00`) — "price to buy this from the vendor" — calls
- `ShopSystem::SellPrice(perUnitValue, itemType, sell_price, stackCount)`.
-- `ShopSystem::SellPrice` (`pc:702107-702128`, `0x006B6180`):
- `max(1, ceil(rate * value * stackCount - 0.1))`, where
- `rate = 1.15` if `itemType == PromissoryNote` else `sell_price`.
-- `ShopSystem::BuyPrice` (`pc:702082-702103`, `0x006B6120`):
- `max(1, floor(rate * value * stackCount + 0.1))`, where
- `rate = 1.0` if `PromissoryNote` else `buy_price`.
-
-These are **byte-identical** to ACE's server-side `Vendor.GetSellCost`/
-`GetBuyCost` (`Vendor.cs:573-599`:
-`Math.Max(1, (uint)Math.Ceiling((sellRate * value) - 0.1))` and
-`Math.Max(1, (int)Math.Floor((buyRate * value) + 0.1))`). Three-way
-cross-check (retail decomp, ACE server formula, and the fact that ACE's
-formula is what actually determines the transaction) with zero
-disagreement. **Recommendation:** port `ShopSystem::BuyPrice`/`SellPrice`
-as a small pure `Core` function (e.g. `VendorPricing.SellPrice`/`BuyPrice`)
-so Slice 5's item-list rows can show the retail-correct number, with the
-naming-inversion warning from A.2 called out in the doc comment.
-
-### B.2 — How retail reacts to the approach-vendor event; teardown
-
-Already covered in A.3/B.1: `ClientUISystem::Handle_VendorInfo` is the sole
-routing entry (there is no separate "OpenVendor" opcode — everything comes
-through the one `ApproachVendor`/`0x0062` GameEvent), it fans out via the
-internal `CM_Vendor::SendNotice_OpenVendor` notice bus to
-`gmVendorUI::RecvNotice_OpenVendor` (a listener registration, symbol present
-in `symbols.json` but not read in detail here), and `gmVendorUI` is the
-state object that owns `shopVendorID`, `shopVendorProfile`,
-`shopItemProfileList`, and the sub-UI panels. Teardown is
-`gmVendorUI::CloseVendor` (client-local, distance-triggered or
-different-vendor-triggered — never server-pushed).
-
-### B.3 — LayoutDesc/DAT identity
-
-`docs/research/retail-ui/UI-DATAIDS.md:229-236` explicitly states the
-vendor panel (along with Trade/Allegiance/Fellowship/Combat/Tooltip) is
-**"confirmed to exist... but their per-panel sprite IDs live entirely
-inside their LayoutDesc records... [and] will populate this section after
-the first dat-extraction pass."** The vendor panel's own top-level
-`LayoutDesc` id (the `0x210000xx`-range analog of the examination window's
-`0x2100006B`) has **not yet been dat-extracted or recorded anywhere in the
-repo.** Slice 5 will need to find it via the same import-and-search
-mechanism Slice 3 used (see C.3), not a pre-existing citation.
-
-What **is** already a concrete, retail-sourced constant: the two tab
-control ids opened by `gmVendorUI::OpenVendor` — `0x100000B9` (Buy/browse
-tab) and `0x100000BB` (Sell tab) — both baked directly into the executable
-at `pc:203791`/`203801`. These sit in the same numeric neighborhood as
-other already-confirmed vendor-adjacent/list-UI ids:
-`AppraisalUiController`'s scrollbar/list ids
-(`0x100000B5` horizontal scrollbar, `0x100000B6` item list, `0x10000071`/
-`0x10000072` decrement/increment buttons —
-`docs/plans/2026-07-23-world-interaction-completion.md:286-289`). This is
-circumstantial but suggestive: Turbine's UI designers assigned these ids in
-a contiguous block, so the vendor panel's root/child ids likely live nearby
-and should turn up quickly once `LayoutImporter` is pointed at a plausible
-`client_local_English.dat` `LayoutDesc` range (the same brute-force/known-
-neighbor search Slice 3 used to locate `0x2100006B`/`0x100005F2` — see the
-git history / research notes for that discovery if a more exact recipe is
-needed; it was not separately re-derived here since the concrete outcome
-[`AppraisalUiController.LayoutId`/`RootId`] is what matters as the
-precedent).
-
-**Precedent citation for "how Slice 3 found its layout id":**
-`AppraisalUiController` (`src/AcDream.App/UI/Layout/AppraisalUiController.cs:17-44`)
-declares `LayoutId = 0x2100006Bu`, `RootId = 0x100005F2u`, and every other
-authored control as `public const uint` fields resolved by
-`layout.FindElement(id)` after `LayoutImporter.Import(dats, LayoutId,
-RootId, ...)` succeeds. The wiring site
-(`src/AcDream.App/UI/RetailUiRuntime.cs:970-1068`, `MountAppraisal()`) is
-the exact template to replicate for a `MountVendor()` method (see C.3).
-
----
-
-## C. Existing acdream seams (read-only — nothing here was modified)
-
-### C.1 — The use/interaction path a vendor-open rides on
-
-Confirmed: vendor-open is not a new interaction path — it rides the
-**exact same** `ItemInteractionController` → `ItemInteractionPolicy.DecideUse`
-→ `SendUse` → `_requestUse` reservation → J5.2's
-`RuntimeInteractionTransactionState` strict-use-gate path already used by
-Slice 4 (equipped-child picking) and every other useable object:
-
-- `src/AcDream.App/UI/ItemInteractionController.cs:877-924`
- (`ExecuteUseActions`, case `ItemPolicyActionKind.SendUse`) routes through
- `_requestUse(action.ObjectId, reservation)` when a `requestUse` delegate
- is supplied (it always is in production wiring), which is the J5.2
- strict-use-gate reservation described in
- `docs/research/2026-07-26-slice-j5-2-interaction-transactions.md`.
-- **The vendor-specific hook already exists but is unwired**:
- `ItemInteractionController` has a `Func _activeVendorId` parameter
- (`ItemInteractionController.cs:48`, `85`, `120`) that defaults to
- `() => 0u` and is **never given a real value anywhere in the codebase**
- (`grep` for `activeVendorId`/`ActiveVendorId` across `src/` turns up only
- the declaration and the one policy consumer). `ItemInteractionPolicy`
- already uses it: `if (input.ActiveVendorId != 0 && source.ContainerId ==
- input.ActiveVendorId) return Consumed();` (`ItemInteractionPolicy.cs:227-228`)
- — i.e. "using" an item that's inside the currently-open vendor's shop
- (browsing/clicking a shop-list row) is swallowed as a no-op rather than
- sent as an ordinary Use, matching retail's `UseObject` short-circuit for
- items already inside an open shop window. **This is the concrete branch
- point question C.1 asked about**: Slice 5 needs to (a) build the vendor
- state owner, (b) wire its "currently open vendor guid" into
- `activeVendorId` at the `ItemInteractionController` construction site
- (currently defaulted everywhere), closing a gap that has existed since
- before this research.
-- `PublicWeenieFlags.Vendor = 0x00000200` (`ItemInteractionPolicy.cs:21`)
- is already ported and already used for the drag-to-sell branch
- (`SellToVendor` action, `DecidePlacement`,
- `ItemInteractionPolicy.cs:357-363`) — that's Slice 6 territory (dragging
- a player item onto the vendor NPC), but confirms the flag itself is
- already correctly decoded from `PublicWeenieDesc` for any vendor NPC's
- `CreateObject`.
-
-### C.2 — Where vendor session state should live (Runtime ownership)
-
-**Recommendation: a new `VendorState` Core class, owned as a new child of
-`RuntimeInventoryState`, following the `ExternalContainerState` shape.**
-
-Reasoning, grounded in the two closeout docs:
-
-- `docs/research/2026-07-26-slice-j4-2-inventory-state.md`: `RuntimeInventoryState`
- (`src/AcDream.Runtime/Gameplay/RuntimeInventoryState.cs`) is the
- "single presentation-independent owner for the live external-container
- state, item-mana state, shortcut assignments, desired spell-component
- counts, and the retail one-inventory-request-at-a-time transaction gate."
- It borrows J3's `ClientObjectTable`
- (`RuntimeInventoryState.cs:54`, `Objects => _entityObjects.Objects`) and
- exposes each child as a property (`ExternalContainers`, `ItemMana`,
- `Shortcuts`, `Transactions`) plus a `RuntimeInventoryOwnershipSnapshot`
- used for reset/teardown convergence checks
- (`RuntimeInventoryState.cs:6-31`, `62-74`) and a `Dispose()` that resets
- every child in a fixed order (`137-161`). A `VendorState` slots in exactly
- the same way: a new property, a new line in
- `RuntimeInventoryOwnershipSnapshot`, a new `Try(...)` call in `Dispose()`,
- and (per A.3's "reset on portal/reconnect" requirement) a new
- `ResetVendor()` method called from wherever `ResetExternalContainer()`/
- `ResetTransactions()` are called today (session reset, portal-out,
- disconnect — the generation/lifecycle contract every other J4/J5 child
- follows).
-- **Shape to copy**: `ExternalContainerState`
- (`src/AcDream.Core/Items/ExternalContainerState.cs`) is the closest
- existing analog — "an authoritative server-driven full-replace view keyed
- by a requested/current id, with a `Changed` event for presentation
- observers." A vendor session is conceptually identical: request-open
- (fires on the Use action), apply-open (fires on `ApproachVendor`
- matching the requested id), apply-close (client-local distance/switch
- trigger, A.3), reset (portal/disconnect). The main structural
- difference from `ExternalContainerState` is that a vendor session also
- carries a **profile** (rates/currency/categories) and an **item list**,
- not just a container id — so `VendorState` is a slightly richer sibling,
- not a literal subclass.
-- **Naming precedent**: holtburger's own full-client implementation
- independently arrived at the exact name `VendorState`
- (`references/holtburger/crates/holtburger-world/src/vendor.rs:98-108`,
- fields: `vendor_guid`, `items: Vec`, `buy_multiplier`,
- `sell_multiplier`, `merchandise_item_types`, `alternate_currency_wcid`,
- `alternate_currency_amount`, `alternate_currency_name`) — a strong
- independent signal that this is the natural shape/name, not an
- acdream-specific invention.
-- J5.2's `RuntimeInteractionTransactionState`
- (`docs/research/2026-07-26-slice-j5-2-interaction-transactions.md`)
- is the natural home for **request correlation** if Slice 5 wants to
- faithfully port retail's `attemptOpenVendorID` token (B.1) — it already
- owns "last ordinary or targeted-use source/target identity" and the
- typed Activate/Use/Pickup FIFO. For Slice 5's browse-only scope this is
- optional polish (the mode-2-vs-3 tab distinction only matters once
- sell-drag exists in Slice 6); flagged as an open question below.
-
-### C.3 — Authored-panel infrastructure (Slice 3's precedent, to replicate)
-
-Complete, concrete template, read end-to-end:
-
-1. **Controller** (`src/AcDream.App/UI/Layout/AppraisalUiController.cs`):
- implements `IRetainedPanelController`
- (`src/AcDream.App/UI/IRetainedPanelController.cs` — `OnShown`/`OnHidden`/
- `OnDescendantFocusChanged`, all default no-ops; "the window manager owns
- visibility, focus, capture, geometry, and teardown ordering"). Declares
- every authored control id as a `public const uint` resolved later via
- `layout.FindElement(id)`. Exposes a static `Bind(...)` factory that takes
- the `ImportedLayout` plus every Core dependency the controller needs
- (object table, interaction controller, selection state, etc.) and a
- `show`/`close` action pair, returning `null` if a required authored
- control is missing from the imported layout (defensive — the panel
- simply doesn't mount rather than crash).
-2. **Wiring site** (`src/AcDream.App/UI/RetailUiRuntime.cs:970-1068`,
- `MountAppraisal()`):
- - `LayoutImporter.Import(dats, LayoutId, RootId, resolveSprite,
- defaultFont, resolveFont)` → `ImportedLayout?` (null if the
- `LayoutDesc`/root id pair isn't found in the dats — logged and
- bailed).
- - Any per-panel asset factories (row templates, name resolvers) loaded
- from the same dat lock.
- - `XxxController.Bind(layout, ...dependencies..., show: () =>
- Host.ShowWindow(WindowNames.X), close: () => CloseWindow(WindowNames.X),
- ...)`.
- - `RetailWindowFrame.Mount(Host.Root, layout.Root, resolveSprite, new
- RetailWindowFrame.Options { WindowName, Chrome =
- RetailWindowChrome.Imported, Left/Top/ContentWidth/ContentHeight =
- root's authored geometry, AuthoredGeometryRevision = 1, Visible =
- false, ResizeX/Y, MinWidth/MinHeight, ConstrainDragToParent/Resize,
- ContentClickThrough, Controller = controller })` → `RetailWindowHandle`.
- This is what gives Slice 3's window its "independent movable/resizable
- retail floaty" behavior and its foreground-stacking — all owned by
- `RetailWindowFrame`/`Host`, not by the controller.
- - Window name registered in `src/AcDream.App/UI/WindowNames.cs` (e.g.
- `public const string Examination = "examination";` at line 24) —
- Slice 5 needs a new `WindowNames.Vendor` (or similar) constant.
-3. **Foreground stacking / show-close semantics**: `Host.ShowWindow(name)` /
- `CloseWindow(name)` are the only calls the controller needs; the window
- manager (`Host`) handles z-order, focus, and drag/resize bounds
- uniformly across every retained window. Slice 5 does not need to
- reinvent any of this — it needs a `MountVendor()` sibling to
- `MountAppraisal()`.
-
-### C.4 — Inbound-message routing (where a new `0x0062` handler registers)
-
-ACE `GameEvent`s enter through `WorldSession`'s decode path (`GameEvents`
-property, `GameEventDispatcher`, `src/AcDream.Core.Net/WorldSession.cs:567`)
-and get routed by `GameEventDispatcher.Dispatch(envelope)`
-(`src/AcDream.Core.Net/Messages/GameEventDispatcher.cs:95-117`) to whatever
-handler was registered for that `GameEventType`. The single central
-registration point for every handler is
-`src/AcDream.Core.Net/GameEventWiring.cs` — `GameEventWiring.WireAll(...)`
-(a big static method, one `registrar.Register(GameEventType.X, e => {
-parse; apply to state; })` call per opcode, grouped by domain with comment
-banners `// ── Chat ──`, `// ── Combat ──`, `// ── Spells ──`, `// ──
-Inventory ──`, `// ── Player ──`).
-
-**Most recently added handler (the concrete pattern to copy):**
-`GameEventType.HouseUpdateRestrictions` (`0x0248`) —
-`GameEventWiring.cs:365-376`, added for AP-129 (Campaign P Slice P4,
-2026-07-30):
-
-```csharp
-registrar.Register(GameEventType.HouseUpdateRestrictions, e =>
-{
- var p = GameEvents.ParseHouseUpdateRestrictions(e.Payload.Span);
- if (p is null) return;
- items.UpdateHouseRestrictions(p.Value.SenderId, p.Value.Restrictions);
-});
-```
-
-A new `GameEventType.ApproachVendor` handler follows the same shape: parse
-the payload with a new `VendorApproach.TryParse` (or similar,
-`src/AcDream.Core.Net/Messages/`), and apply it to the new `VendorState`
-owner (C.2). `GameEventWiring.WireAll` would need a new optional parameter
-(`VendorState? vendor = null`) matching the existing pattern used for
-`itemMana`, `friends`, `squelch`, `externalContainers`, etc.
-(`GameEventWiring.cs:77-86`).
-
-### C.5 — Icon/tooltip/item-row rendering reuse
-
-`SpellbookWindowController` (Slice 1's spell list,
-`src/AcDream.App/UI/Layout/SpellbookWindowController.cs`) is the concrete
-precedent for a scrollable authored list with icons:
-
-- `UiScrollbar` (`src/AcDream.App/UI/UiScrollbar.cs`) is a shared,
- panel-agnostic primitive bound to an authored control id via
- `layout.FindElement(scrollbarId) is UiScrollbar scrollbar`
- (`SpellbookWindowController.cs:237`, `246`).
-- Row icons come from a `Func resolveXxxIcon` delegate injected
- at construction (`resolveSpellIcon`, `resolveComponentIcon` —
- `SpellbookWindowController.cs:53-54`, `89-90`), used as
- `CatalogIconTexture = _resolveSpellIcon(spellId)`
- (`SpellbookWindowController.cs:291`) against a `_rowStyle`
- (`SpellbookRowStyle`) describing icon geometry (`IconLeft`/`Top`/
- `Width`/`Height`, `SpellbookWindowController.cs:299-302`).
-- Since retail materializes each vendor item as a full weenie object with a
- real `PublicWeenieDesc` (icon dat id included — A.2 point 4), a vendor
- item row can resolve its icon exactly the way the **inventory panel**
- resolves any ordinary item's icon (by the item's own `IconId` field,
- already parsed by the shared `CreateObject`/`PublicWeenieDesc` body
- parser — see the note in the next paragraph), not by a spell-specific
- resolver. This is a materially easier reuse case than the spell list,
- since vendor items are ordinary items once parsed.
-
-**One structural gap worth flagging as a contract decision, not just
-reuse**: `src/AcDream.Core.Net/Messages/CreateObject.cs` (`TryParse`,
-line 512 onward) parses the entire `WeenieHeader` body inline as one large
-method (opcode → guid → model data → physics data → weenie-header fixed
-prefix at `~line 781` → weenie-header optional tail at `~line 834` onward,
-using the same bit flags as Chorizite's `PublicWeenieDesc.generated.cs`).
-It is **not currently factored into a reusable standalone function** callable
-from a new vendor-item parser. Since A.2 established that each `ItemProfile`
-entry uses the *exact same* `PublicWeenieDesc` body (just without the
-preceding model/physics data), the clean move is to extract the
-weenie-header-body parsing logic (`~CreateObject.cs:781` to the end of
-`TryParse`) into a shared static helper both `CreateObject.TryParse` and
-the new vendor-item parser call, rather than re-deriving/duplicating ~300
-lines of conditional-field parsing. This is flagged explicitly as an open
-question for the contract (below) since it's a nontrivial refactor
-decision, not a pure research finding.
-
----
-
-## D. Out-of-scope fence — what Slice 6 owns
-
-Per `docs/plans/2026-07-23-world-interaction-completion.md:56-57`:
-
-> | 6 | Vendor transactions | server-authoritative buy/sell command and
-> reconciliation owner |
->
-> "Vendor buy/sell transactions, quantities, pending-state ownership, and
-> authoritative inventory reconciliation complete the loop."
-
-Concretely, Slice 6 (not Slice 5) owns:
-
-- **Outbound buy/sell wire messages.** ACE: `HandleActionBuyItem`
- (`Player_Commerce.cs:22-52`) / `HandleActionSellItem`
- (`Player_Commerce.cs:126-226`), each taking a `List`
- (quantities + guids). Retail: `CM_Vendor::Event_Buy` (`0x006AA0F0`) /
- `::Event_Sell` (`0x006AA000`).
-- **Quantity/stack-split selection UI** (`VendorBuyUI`/`VendorSellUI`
- sub-panels, stack-slider interaction —
- `gmVendorUI::RecvNotice_StackSliderChanged` in the symbol table).
-- **Drag-to-sell** — dragging a player inventory item onto the vendor NPC
- (`ItemInteractionPolicy.ItemPolicyActionKind.SellToVendor`,
- `ItemInteractionPolicy.cs:357-363`, already ported but its dispatch/UI
- consumption is Slice 6's to wire).
-- **`VendorProfile::InqAcceptability`/`IsAcceptable`** (sell-eligibility
- filtering by item type/value/magic — `pc:484768-484797`) — this is a
- judgment call flagged below, since "does my inventory show which items
- this vendor will buy" arguably touches Slice 5's "supports retail
- selection/browsing" language too.
-- **Currency/pyreal math validation**, `Vendor.GetSellCost`/`GetBuyCost`
- **as an authoritative transaction input** (Slice 5 only needs the
- *display* computation — see B.1 — not the transaction-time application).
-- **Pending-sale correlation** (`attemptOpenVendorID`/`attemptSaleObjectID`,
- the mode-2-vs-3 tab-switch nuance from B.1) — Slice 5's browse-only scope
- can default to always opening the Buy/browse tab and defer full request
- correlation to Slice 6, since the correlation token only matters once a
- sell-drag exists.
-- **`ApproachVendor` refreshes triggered by `FinalizeBuyTransaction`
- (`Player_Commerce.cs:112`) and `ProcessItemsForPurchase` (`Vendor.cs:661`)**
- — Slice 5's parser/state owner should be built to handle repeat
- `ApproachVendor` events correctly (A.3, full-replace semantics), but the
- actual *triggers* for those repeats are Slice 6 actions.
-- **Authoritative inventory reconciliation** after a purchase/sale lands
- (new items appearing in the player's pack, coins deducted/added) — this
- is standard `InventoryPutObjInContainer`/`ViewContents`/property-update
- plumbing already owned by existing Slice 4/J4.2 machinery, but *triggered*
- by Slice 6's buy/sell actions.
-
----
-
-## Open questions for the contract
-
-1. **Does `VendorState` live in `AcDream.Core.Items` (next to
- `ExternalContainerState`) or a new `AcDream.Core.Commerce`/`Vendor`
- namespace?** Recommendation: `AcDream.Core.Items` — it's small, it
- directly parallels `ExternalContainerState`, and it avoids a
- near-empty new namespace for one class family. Weak preference; either
- is defensible.
-2. **Should the shared `PublicWeenieDesc`-body parser be extracted from
- `CreateObject.TryParse` into a standalone reusable method before Slice 5
- writes the vendor-item parser, or should Slice 5 duplicate/adapt a
- subset first and defer the refactor?** Recommendation: extract first —
- duplicating ~300 lines of conditional-flag parsing for the second time
- this project has needed it is exactly the kind of drift the project's
- "grep named → decompile → verify → port" discipline exists to prevent,
- and a parser bug fixed in one copy but not the other is a classic
- two-owners bug.
-3. **Does Slice 5 port `ShopSystem::BuyPrice`/`SellPrice` as a pure Core
- function now (needed to show a display price in the browse list), or is
- showing raw item value acceptable for a browse-only slice with actual
- price math deferred to Slice 6?** Recommendation: port it now — it's a
- ~10-line pure function with a byte-verified formula (B.1), and a vendor
- list that shows the wrong price (or no price) is a visibly broken browse
- experience even before Buy is wired up.
-4. **Does Slice 5 wire the `attemptOpenVendorID`-style request-correlation
- token (mode 2 vs 3 tab selection), or hardcode "always open on the
- Buy/browse tab" and let Slice 6 add correlation when sell-drag lands?**
- Recommendation: hardcode Buy/browse tab for Slice 5; the correlation
- only has externally-visible effect once a sell-initiated open exists.
-5. **Does "supports retail selection/browsing" (the Slice 5 charter
- language) include showing which of the *player's own inventory* items
- this vendor would accept (via `VendorProfile::InqAcceptability`), or is
- that squarely Slice 6 since it's meaningless without the sell action
- attached?** Recommendation: defer to Slice 6 — `InqAcceptability` has no
- purpose without a sell UI to gate, and pulling it into Slice 5 would mean
- touching the sell sub-panel's territory for a browse-only slice.
-6. **Category/type filter tabs** (`VendorItemsUI::AddTypeFilter`/
- `ListContainsType`) were located but not read in full decompiled detail
- in this pass (time-boxed). If the Slice 5 contract wants exact retail
- parity for tab filtering (vs. a single flat browsable list for a first
- cut), a follow-up grep-and-read pass on `pc:` lines around
- `0x004C05C0`/`0x004C0D90` is needed before implementation.
-7. **The vendor panel's own top-level `LayoutDesc` id is not yet
- dat-extracted anywhere in the repo.** The contract should budget time
- for a `LayoutImporter.Import` discovery pass (the same process that
- found `0x2100006B` for the examination window) rather than assuming the
- id is already known. The two concrete tab-control ids (`0x100000B9`
- Buy, `0x100000BB` Sell) are known and can serve as a cross-check once a
- candidate root/LayoutDesc id is found (their `FindElement` should
- succeed under the correct root).
-8. **`docs/architecture/retail-divergence-register.md` row `AP-110`**
- currently lists "vendor/trade/salvage/tinkering" together as absent
- panels. Per the project's binding divergence-register rule, Slice 5's
- landing commit must narrow AP-110 to drop "vendor" from the absent list
- (or add a precise successor row describing what remains absent — e.g.
- category filter tabs if #6 above is deferred) in the **same commit**
- that lands vendor browsing.
-
----
-
-## §B.4 — D0 tab-filter read, 5.4 (2026-08-09)
-
-Mandatory pre-UI read for Slice 5.4 (contract decision 6), grepping
-`VendorItemsUI::AddTypeFilter` (`0x004C05C0`) / `::ListContainsType`
-(`0x004C0D90`) plus their caller `VendorItemsUI::OpenVendor` (`0x004C16D0`)
-and the whole-panel `gmVendorUI::OpenVendor`/`PostInit`/constructor
-(`0x004C4BA0`/`0x004C09A0`/`0x004C2470`). This also resolves contract
-decision 7 (layout-id discovery) — the two findings are entangled since the
-D0 read is what proves the layout structure below.
-
-### Layout identity: LayoutDesc `0x21000012`, root `0x100000B7`
-
-Found via brute-force enumeration of every `LayoutDesc` in
-`client_local_English.dat` (`dats.GetAllIdsOfType()`, 101
-entries) for the one whose descendant tree contains BOTH known tab-control
-ids `0x100000B9` and `0x100000BB` as siblings. Exactly one match. Cross-check
-per contract decision 7: `UIElement::RegisterElementClass(0x10000017,
-gmVendorUI::Create)` (`pc:202075`) — root `0x100000B7`'s own resolved `Type`
-is **`0x10000017`**, the literal retail class id for `gmVendorUI` itself.
-This is not circumstantial; it is the direct proof the root element found IS
-gmVendorUI's own instantiated root.
-
-Root geometry: `800x110` at design position `(0,500)` inside an `800x600`
-canvas — a compact bottom-docked strip, the same shape family as
-`ExternalContainerController`'s `0x21000008`/`0x10000063` (not a large
-grid+icon browse window; AC's vendor UI is a horizontal single-row icon
-strip, matching general retail recollection).
-
-Method: a throwaway scanner tool (`tools/VendorLayoutScan/`, not part of the
-shipped solution) using `DatCollection.GetAllIdsOfType()` +
-recursive `ElementDesc.Children` search, then
-`LayoutImporter.ImportInfos(dats, layoutId, rootId)` (the SAME resolved
-inheritance pipeline production uses) to dump full resolved `Type` +
-`StateDesc.Properties` per element, including `DatStringResolver`-resolved
-`StringInfo` labels (property `0x17`). This is what nailed the exact
-tab→page mapping below with dat-authored-label proof, not inference.
-
-### Tree shape (verified via the resolved-property dump, not just raw ElementDesc)
-
-```
-0x100000B7 gmVendorUI root (Type 0x10000017), 800x110 @ design (0,500)
-├─ 0x100000D6 close/pushpin button (Type 1, icon-only, no label — plain X)
-├─ 0x100000B8 m_vendorPanel (Type 0x8 = UIElement_Panel; PostInit binds
-│ this via GetChildRecursive(this, 0x100000b8))
-│ ├─ 0x100000B9 tab, label "Items" (order 1, x=0)
-│ ├─ 0x100000BA tab, label "Buying" (order 2, x=92)
-│ ├─ 0x100000BB tab, label "Selling" (order 3, x=184)
-│ ├─ 0x100000BC page for tab B9 ("Items") == VendorItemsUI's content
-│ │ ├─ 0x100000BD m_shopList (Type 0x10000031 UiItemList, 710x32 —
-│ │ │ cell 32x32 from base 0x2100003D/0x10000339 ⇒ ~22-slot
-│ │ │ single-row horizontal strip, matches
-│ │ │ ExternalContainerController's list shape)
-│ │ ├─ 0x100000BE scrollbar (Type 0xB, horizontal, 710x16)
-│ │ ├─ 0x100000BF m_itemTypeMenu (Type 0x6 = UIElement_Menu, resolves
-│ │ │ to acdream's UiMenu via DatWidgetFactory's `6 =>
-│ │ │ new UiMenu()` — a FULLY IMPLEMENTED dropdown widget
-│ │ │ already, Items/Selected/OnSelect/ButtonLabelProvider)
-│ │ ├─ 0x100000C0 m_itemNameText
-│ │ ├─ 0x100000C1 m_itemCostText
-│ │ ├─ 0x100000C2 m_buyButton, label "Buy"
-│ │ └─ 0x100000C3 m_addButton, label "Add to List"
-│ ├─ 0x100000C4 page for tab BA ("Buying") == VendorBuyUI's content
-│ │ ├─ 0x100000C5 m_buyShopList (staged-to-buy list, NOT the shop's
-│ │ │ full stock — see below)
-│ │ ├─ 0x100000C6 scrollbar
-│ │ ├─ 0x100000C7/C8 m_buyListText / m_buyPurseText
-│ │ ├─ 0x100000C9 m_buyItemButton, label "Buy Item"
-│ │ ├─ 0x100000CA m_buyAllButton, label "Buy All"
-│ │ └─ 0x100000CB/CC m_buyClearItemButton "Clear Item" /
-│ │ m_buyClearListButton "Clear List"
-│ └─ 0x100000CD page for tab BB ("Selling") == VendorSellUI's content
-│ ├─ 0x100000CE m_sellShopList (staged-to-sell list)
-│ ├─ 0x100000CF scrollbar
-│ ├─ 0x100000D0/D1 m_sellListText / m_sellPurseText
-│ ├─ 0x100000D2 m_sellItemButton, label "Sell Item"
-│ ├─ 0x100000D3 m_sellAllButton, label "Sell All"
-│ └─ 0x100000D4/D5 m_sellClearItemButton / m_sellClearListButton,
-│ labels "Clear Item" / "Clear List"
-└─ 0x1000008D title/backdrop (Type 0x8, ZLevel 100 — drawn behind)
-```
-
-Every id above is confirmed two ways: (1) `VendorItemsUI::VendorItemsUI`
-(`pc:199612`)/`VendorBuyUI::VendorBuyUI` (`pc:199717`)/
-`VendorSellUI::VendorSellUI` (`pc:199753`) bind these EXACT child ids via
-`UIElement::GetChildRecursive`; (2) the resolved-property dump shows the
-matching `0x17` StringInfo label on each button, so the id↔label pairing is
-read directly off the dat, not inferred from ctor ordering alone.
-
-### Tab↔page semantics — corrects the contract's 2-tab assumption
-
-The contract (decision 4, written before this read) assumed two tabs:
-"browse/Buy" (`0x100000B9`) and "Sell" (`0x100000BB`). The dat actually
-authors **three** tabs, and the dat-resolved labels settle their meaning
-precisely — this is NOT the Buy/Sell MODE switch the contract assumed, it is
-Items/Buying/Selling, three independent staging views:
-
-- **"Items" (`0x100000B9`)** — `VendorItemsUI`: the vendor's full stock,
- filterable by category, each row clickable, with `Buy`/`Add to List`
- buttons. **This is Slice 5.4's browse view** — the only page with useful
- content before Slice 6 exists.
-- **"Buying" (`0x100000BA`)** — `VendorBuyUI`: review/confirm panel for
- `gmVendorUI.m_buyList`, a CLIENT-side staging list of items you've
- chosen to buy from the Items tab (`m_buyItemButton`/`m_buyAllButton` on
- the Items page add to it; this tab's own buttons commit/clear it). Empty
- on a fresh open (`m_buyList` starts empty — confirmed by
- `gmVendorUI::OpenVendor`'s unconditional `CloseVendor` on any previous
- session before rebuilding). Slice 6 territory.
-- **"Selling" (`0x100000BB`)** — `VendorSellUI`: the symmetric staging view
- for items dragged from your own inventory onto the vendor
- (`ItemInteractionPolicy.ItemPolicyActionKind.SellToVendor`, already
- ported, Slice 6 wires its UI consumption). Matches contract decision 4's
- "Sell tab... stays inert" almost exactly — its authored label is
- "Selling," not "Sell," but the semantic match is exact.
-
-`gmVendorUI::OpenVendor` (`pc:203650`) confirms **all three sub-panels
-(`m_itemsUI`, `m_buyUI`, `m_sellUI`) refresh unconditionally on every
-`ApproachVendor`** (`this->m_itemsUI->vtable->OpenVendor(...)`;
-`m_sellUI->OpenVendor(...)`; `m_buyUI->OpenVendor(...)`, `pc:203852-203854`),
-regardless of which tab ends up visually open — only the VISIBLE tab is
-mode-dependent (`OpenTab(m_vendorPanel, 0x100000b9)` for mode 2,
-`0x100000bb` for mode 3, `pc:203791`/`203801` — **mode 2 opens tab
-`0x100000B9` ("Items"), confirming decision 4's "browse/Buy tab" language
-was describing this exact tab**, just informally — its authored name is
-"Items," not "Buy"). Slice 5.4 therefore: mounts all three tabs
-(matching the authored layout and `RetailTabBinding`'s existing tri-state
-pattern precedent, `SpellbookWindowController`'s Spell/Component tabs),
-defaults to "Items" selected/visible, and leaves "Buying"/"Selling" as
-present-but-unpopulated pages (no `VendorBuyUI`/`VendorSellUI` port this
-slice — both are squarely Slice 6, matching the contract's "no buy/sell
-actions" fence). This symmetric treatment — not just the contract's
-originally-anticipated single "Sell" tab — gets the "comment the fence"
-treatment for both non-default tabs.
-
-### Category/type filter mechanism (the actual D0 answer)
-
-`VendorItemsUI::AddTypeFilter(this, label, typeMask)` (`pc:199667`) does
-**not** create a visible tab button — it calls
-`UIElement_Menu::InsertTextItem(m_itemTypeMenu, label, m_numTypeFilters)`,
-i.e. it inserts a row into the dropdown menu at `0x100000BF`, tagging the
-new menu item with the type mask via a per-item property
-(`BaseProperty::SetPropertyName(&prop, 0x10000039)` then storing `typeMask`
-into it). "Category tabs" in the contract's phrasing means this dropdown,
-not additional tab buttons.
-
-`VendorItemsUI::OpenVendor` (`pc:200779-201025`) rebuilds the dropdown from
-scratch on every open/refresh: flushes `m_shopList` and `m_itemTypeMenu`,
-then walks an **ordered, hardcoded 18-entry table**, calling
-`ListContainsType(shopItemProfileList, mask)` for each and only adding the
-filter (`AddTypeFilter`) if the vendor's stock contains a matching item.
-`ListContainsType` (`pc:200132-200159`) is a linear scan: `true` iff any
-shop item's `InqType() & mask != 0`. Table, in authored order, with the
-acdream `ItemType` composite that reproduces each literal retail mask bit
-for bit (verified against `src/AcDream.Core/Items/ClientObject.cs:26-75` —
-every bit accounted for, no gaps):
-
-| # | Label | Retail mask | acdream `ItemType` |
-|---|---|---|---|
-| 1 | Armor | `0x2` | `Armor` |
-| 2 | Books, Paper | `0x2000` | `Writable` |
-| 3 | Clothing | `0x4` | `Clothing` |
-| 4 | Containers | `0x200` | `Container` |
-| 5 | Food | `0x20` | `Food` |
-| 6 | Gems | `0x800` | `Gem` |
-| 7 | Jewelry | `0x8` | `Jewelry` |
-| 8 | Keys, Tools | `0x20004000` | `TinkeringTool \| Key` |
-| 9 | Miscellaneous | `0x490` | `Useless \| Misc \| Creature` |
-| 10 | Services | `0x100000` | `Service` |
-| 11 | Spell Components | `0x1000` | `SpellComponents` |
-| 12 | Trade Notes | `0x40000` | `PromissoryNote` |
-| 13 | Weapons | `0x101` | `Weapon` (existing composite) |
-| 14 | Mana Stones | `0x80000` | `ManaStone` |
-| 15 | Magic Items | `0x8000` | `Caster` |
-| 16 | Alchemical Items | `0x4800000` | `CraftAlchemyIntermediate \| CraftAlchemyBase` |
-| 17 | Cooking Items | `0x400000` | `CraftCookingBase` |
-| 18 | Fletching Items | `0x9000000` | `CraftFletchingIntermediate \| CraftFletchingBase` |
-
-After rebuilding, retail selects an index (`pc:201008-201022`): the
-PREVIOUS selected index if it's still `< newCount - 1` inclusive-clamp,
-otherwise clamps to `newCount - 1`, then floors at `0`. Net effect: first
-open (`GetSelectedIndex` returns `-1`, nothing selected yet) always lands on
-index `0` — the FIRST present category in table order, not "show
-everything." Pseudocode:
-
-```
-selected = previousSelectedIndex // -1 on first open
-if (selected >= presentCount - 1) selected = presentCount - 1
-if (selected < 0) selected = 0
-```
-
-`VendorItemsUI::UpdateItemsList(this, mask, notify)` (`pc:201029` on)
-confirms the filter is load-bearing, not cosmetic: it re-walks the FULL
-`shopItemProfileList` and inserts into `m_shopList` only items where
-`(activeMask & itemType) != 0`, where `activeMask` is either the explicit
-`mask` argument (`arg2 != 0`) or, when `arg2 == 0`, the CURRENTLY selected
-menu item's stored `0x10000039` property. **There is no "all types" state**
-— an empty/no selection filters everything out (`0 & anything == 0`), which
-is exactly why retail always force-selects index 0 after rebuilding. Slice
-5.4 ports this literally: the item list is always scoped to exactly one
-category; clicking a different dropdown entry re-filters via the stored
-mask on that entry, matching `UpdateItemsList`'s `arg2 != 0` explicit-mask
-branch.
-
-### Verdict: bounded, in scope, no fallback needed
-
-The full mechanism is an 18-row static table + a linear membership test
-reused per row + one dropdown-population pass + a selection-index clamp —
-small and precedented (`UiMenu` is a complete pre-existing widget;
-`SpellbookWindowController`'s `FilterButtons` array is the same "static
-mask table drives filterable UI" shape, just buttons instead of a
-dropdown). This does **not** trigger the "mechanism too large — STOP"
-clause; the flat-list fallback is not needed. The genuinely new information
-this read surfaced beyond the contract's decisions — three tabs instead of
-two, and the dropdown-vs-tab distinction for "category tabs" — is recorded
-above for the record, not treated as a scope escalation.
diff --git a/docs/research/2026-08-08-slice6-vendor-transactions-research.md b/docs/research/2026-08-08-slice6-vendor-transactions-research.md
deleted file mode 100644
index 47052444..00000000
--- a/docs/research/2026-08-08-slice6-vendor-transactions-research.md
+++ /dev/null
@@ -1,765 +0,0 @@
-# Slice 6 research — vendor transactions (buy focus)
-
-**Date:** 2026-08-08
-**Trigger:** live user report — "I cant buy anything. Nothing happens when I
-double click or when I press buy. I dont get a slider for items that stack
-and when I select an item it does not show in the status bar as selected."
-**Scope:** the buy round-trip (wire, retail mechanism, acdream seams) plus
-the three UI symptoms behind it. Sell is noted where the wire is a trivial
-mirror of buy; full sell UI/staging is out of scope per the Slice 5 fence
-and stays out here.
-
-**Verified starting point:** repo HEAD at research time was `e602f84b`
-("fix(ui): Slice 5.4 review corrections..."), at/after the required
-`e602f84b` gate. Read-only research; no code changed.
-
-**Mandatory prior reading done first:** `docs/research/2026-08-08-slice5-vendor-browse-research.md`,
-including §B.4 (the D0 tab-filter read that discovered the LayoutDesc tree,
-the Items/Buying/Selling three-tab shape, and the category dropdown) and its
-§D Slice-6 fence. This document does not re-derive anything already pinned
-there — it cites forward to it instead. The current on-disk implementation
-(`src/AcDream.App/UI/Layout/VendorUiController.cs`,
-`src/AcDream.Core/Items/VendorState.cs`) already reflects that doc's
-findings and register row **AP-161** (`docs/architecture/retail-divergence-register.md`)
-already names the exact four residuals this document expands into an
-implementation-ready shape.
-
----
-
-## Executive summary
-
-All four user-reported symptoms trace to **one missing wiring step**, not
-four separate bugs:
-
-1. **Buy button does nothing** — `VendorUiController` builds `_buyButton`
- but never assigns `.OnClick` (`VendorUiController.cs:211`, `368-369`;
- confirmed by reading the whole file — no `_buyButton.OnClick =`
- assignment exists anywhere).
-2. **Double-click does nothing** — there is no double-click handler at all;
- `cell.Clicked` (`VendorUiController.cs:567`) is the ONLY interaction a
- row has, and it only calls the PRIVATE `SelectItem`.
-3. **No slider for stackable items** — the real slider machinery
- (`SelectedObjectController`, `StackSplitQuantityState`) already exists
- and is fully built, but `VendorUiController` never touches it; it
- computes its own local `VendorSplitSize(item)` for display only
- (`VendorUiController.cs:611-651`).
-4. **Selection doesn't show in the status bar** — `VendorUiController`
- keeps a PRIVATE `_selectedItemGuid` field (`VendorUiController.cs:216`,
- `611-636`) instead of driving the real global selection owner
- (`AcDream.Core.Selection.SelectionState`) that the status bar
- (`SelectedObjectController`) actually reads.
-
-All three UI symptoms (2–4) collapse into **"VendorUiController never
-touches `SelectionState`/`StackSplitQuantityState`, the same shared owners
-Toolbar/Radar/Inventory/ExternalContainer/Magic already use"** — confirmed
-by direct comparison of `VendorRuntimeBindings` (2 fields: `State`,
-`ResolveIcon`) against every sibling `*RuntimeBindings` record, every one of
-which carries a `SelectionState Selection` field
-(`src/AcDream.App/UI/RetailUiRuntime.cs:41-143`). Vendor is the outlier.
-
-Symptom 1 (Buy) is a genuinely separate, additional gap: no outbound wire
-message exists yet at all. The retail mechanism, wire shape, and acdream's
-existing builder pattern for it are all fully pinned below.
-
----
-
-## A. The wire (buy + the reconciliation that follows)
-
-### A.1 — Buy opcode and payload
-
-**`GameActionType.Buy = 0x005F`** —
-`references/ACE/Source/ACE.Server/Network/GameAction/GameActionType.cs:51`.
-Handler: `GameActionBuyItems.Handle` →
-`references/ACE/Source/ACE.Server/Network/GameAction/Actions/GameActionBuyItems.cs:9-35`.
-
-Wire payload, confirmed **four ways** (ACE's reader, Chorizite's
-generated reader/writer, holtburger's independent client implementation,
-AND the retail decompiled sender — all agree byte-for-byte):
-
-```
-u32 0xF7B1 // GameAction envelope (acdream: InteractRequests.GameActionEnvelope)
-u32 gameActionSequence
-u32 0x005F // Buy opcode
-u32 vendorGuid
-u32 itemCount
- per item:
- i32 amount // quantity to buy (NOT the packed sign-extended
- // supply-count field from ApproachVendor — a
- // plain positive int32)
- u32 objectGuid // the SHOP ITEM's guid (from ApproachVendor's
- // ItemProfile list, A.2 of the Slice 5 doc)
-u32 alternateCurrencyId // 0 for a pyreal vendor; the vendor's own
- // AlternateCurrency wcid otherwise
-```
-
-- **ACE reader** (server-authoritative):
- `GameActionBuyItems.Handle` reads `vendorGuid` (u32), `numItems` (u32),
- then per item `amount` (i32) then `objectID` (u32) —
- `Actions/GameActionBuyItems.cs:12-27`. It reads NO trailing currency
- field — the line is present but **commented out**:
- `//var altCurrencyWcid = message.Payload.ReadUInt32();` (line 32).
-- **Chorizite.ACProtocol** (clean-room generated, cross-check): `Vendor_Buy`
- writes `ObjectId` (u32), a `PackableList` (count + items),
- then `AlternateCurrencyId` (u32) —
- `references/Chorizite.ACProtocol/Chorizite.ACProtocol/Messages/C2S/Actions/Vendor_Buy.generated.cs:33-48`.
- Its `ItemProfile` type (`Types/ItemProfile.generated.cs`) is the SAME type
- used for the S2C `ApproachVendor` item list, but for an outbound Buy the
- high byte of `PackedAmount` is always 0 (small positive quantities never
- set bits 24-31), so `PwdType` resolves to 0 and the switch falls through
- without reading a `PublicWeenieDesc` body — this is why ACE's simpler
- 2-field-per-item read and Chorizite's reused-type read agree despite
- looking different at first glance.
-- **holtburger** (independent full client, most authoritative for "what a
- real client sends"): `BuyActionData { vendor_guid, items:
- Vec }` —
- `references/holtburger/crates/holtburger-protocol/src/messages/trade/actions.rs:34-65`,
- packed with `vendor_guid.pack(); items.len() as u32; per-item
- amount then guid` (lines 56-65). **holtburger's pack has NO trailing
- currency field at all** — confirmed by its own round-trip test fixture
- (`actions.rs:296-310`, 16 bytes total for guid+count+one item, nothing
- after).
-- **Retail decompiled sender — the deciding vote.** `CM_Vendor::Event_Buy`
- (`pc:689288`, `0x006AA0F0`), signature
- `Event_Buy(uint32_t vendorGuid, PackableList const* items,
- IDClass<_tagDataID,32,0> currencyId)` — the mangled name
- (`?Event_Buy@CM_Vendor@@YA_NKABV?$PackableList@VItemProfile@@@@V?$IDClass@U_tagDataID@@$0CA@$0A@@@@Z`)
- independently confirms the 3-argument shape. Reading the body: writes
- opcode `0x5f` (`pc:689300`), `arg1` (vendorGuid, `pc:689303`), the packed
- item list (`arg2->vtable->Pack(...)`, `pc:689335`), **then**
- `*(uint32_t*)var_c = arg3;` (`pc:689336`) — the currency id IS written
- after the item list, every time, by the real client. By contrast
- `CM_Vendor::Event_Sell` (`pc:689229`, `0x006AA000`) has only a 2-arg
- signature (`vendorGuid`, `items`) and its body (`pc:689229-689242+`)
- never writes a trailing field — Sell truly has no currency suffix, Buy
- does.
-
-**Resolution of the ACE/holtburger vs. retail disagreement:** retail (the
-top oracle per `CLAUDE.md`) and Chorizite both show a real client DOES send
-a trailing `u32` currency id on Buy. ACE's current server build ignores it
-(commented-out read) and holtburger — a real client written against a
-*server* contract, i.e. tested for what ACE accepts — omits it entirely and
-still works against ACE. **Recommendation for the contract:** port the
-field for retail fidelity (it costs one `u32`, matches the byte-verified
-retail sender, and is forward-compatible with any future ACE version that
-un-comments its read), but do not treat its absence as a functional risk —
-ACE demonstrably doesn't require it today (holtburger's own round-trip
-tests pass against ACE without it). Cite this exact tension in the outbound
-builder's doc comment so a future reader doesn't "fix" it either way
-without re-reading this note.
-
-**Sell** (research-only, for Slice 6 scoping — not implemented this pass):
-`GameActionType.Sell = 0x0060` — `GameActionType.cs:52`. Handler
-`GameActionSellItems.Handle` reads `vendorGuid`, `numItems`, then per item
-`amount`(i32)/`objectGuid`(u32) — **no trailing currency field**, matching
-retail's 2-arg `Event_Sell` and Chorizite's `Vendor_Sell` (no
-`AlternateCurrencyId` member at all,
-`Messages/C2S/Actions/Vendor_Sell.generated.cs`) and holtburger's
-`SellActionData` (`trade/actions.rs:68-97`).
-
-### A.2 — What the server sends back
-
-**Success path**, traced through `Player.HandleActionBuyItem` →
-`Vendor.BuyItems_ValidateTransaction` (on success) →
-`Player.FinalizeBuyTransaction` (`references/ACE/Source/ACE.Server/WorldObjects/Player_Commerce.cs:22-116`,
-`Vendor.cs:431-571`), IN ORDER:
-
-1. `SpendCurrency` → for a pyreal vendor, destroys pyreal stacks via
- `TryConsumeFromInventoryWithNetworking` which sends
- `GameMessageInventoryRemoveObject`/`GameMessageSetStackSize` (whichever
- applies) **then `UpdateCoinValue()`**, which sends
- `GameMessagePrivateUpdatePropertyInt(PropertyInt.CoinValue, ...)`
- **only if the value actually changed** (`Player_Commerce.cs:319-333`,
- `Player_Inventory.cs:141-146`).
-2. Per purchased item: `TryCreateInInventoryWithNetworking` (ordinary
- item-into-inventory placement — `GameMessageCreateObject` +
- `GameEventItemServerSaysContainId` + `GameMessagePrivateUpdatePropertyInt(EncumbranceVal)`,
- the same generic path every other "item enters your pack" flow uses —
- `Player_Inventory.cs:105-107`).
-3. `GameMessageSound(PickUpItem)`.
-4. `vendor.ApproachVendor(this, VendorType.Buy, altCurrencySpent)` — a
- **fresh, full-replace `ApproachVendor` (0x0062)**, confirming the Slice 5
- doc's §A.3 finding that a buy always ends in the SAME
- full-snapshot-replace event Slice 5 already parses (this is a
- `VendorStateTransitionKind.Refreshed` in acdream's `VendorState.Apply`,
- `src/AcDream.Core/Items/VendorState.cs:144-182` — no new state-machine
- case needed, only a trigger).
-5. Back in `HandleActionBuyItem`: **`SendUseDoneEvent()`** (no error code)
- — always fires last, on BOTH the validation-failed and the
- validation-succeeded branch (`Player_Commerce.cs:47-49`; the "failed"
- branch only additionally enqueues `GameEventInventoryServerSaveFailed`
- first).
-
-**Failure paths**, all confirmed in `Vendor.BuyItems_ValidateTransaction`
-(`Vendor.cs:431-571`) and `HandleActionBuyItem`:
-
-| Cause | What's sent | Notes |
-|---|---|---|
-| `IsBusy` / `IsTrading` / vendor not found (pre-checks in `HandleActionBuyItem`) | `GameEventInventoryServerSaveFailed(Guid.Full)` + `SendUseDoneEvent(WeenieError.X)` then **return** (no further `UseDone`) | `Guid.Full` here is the **player's own guid**, not an item guid — see the acdream cross-reference below |
-| Invalid amount in any item | `player.SendTransientError("Invalid amount")` then `false` | client-visible chat/transient string |
-| Insufficient pack space / burden / container slots | `GameEventCommunicationTransientString(...)` (one of three specific sentences) then `false` | |
-| **Insufficient currency (the common case)** | **nothing at all** — silent `return false` (`Vendor.cs:546-563`) | no transient string, no error code; the ONLY signal downstream is step 6 below |
-| Any of the above `false` returns | back in `HandleActionBuyItem`: `GameEventInventoryServerSaveFailed(Guid.Full)` is enqueued, THEN the unconditional `SendUseDoneEvent()` (no error) fires at the bottom | **the failure path and the pre-check-rejection path both use `GameEventInventoryServerSaveFailed`, but the pre-check path ALSO sets a `WeenieError` on `UseDone`; the validation-failure path's `UseDone` carries no error** |
-
-**acdream cross-reference — a wire nuance for the contract to know about
-up front:** acdream ALREADY parses and handles `GameEventInventoryServerSaveFailed`
-(`0x00A0`) — `src/AcDream.Core.Net/Messages/GameEvents.cs:445-456`,
-wired at `src/AcDream.Core.Net/GameEventWiring.cs:479-489` for the B-Drag
-optimistic-inventory-move rollback path (`InventoryActions.cs:34`). That
-existing handler is written around the assumption that `ItemGuid` names a
-speculative LOCAL inventory operation it can roll back. For a buy failure,
-ACE sends this SAME event with `ItemGuid = the player's own guid`
-(`Guid.Full` inside `Player`, not an item) — the existing handler will look
-up the player's guid in whatever rollback table it tracks, find nothing to
-roll back (a harmless no-op), and log through its existing
-`[B-Drag] InventoryServerSaveFailed ...` diagnostic line
-(`GameEventWiring.cs:489`). **This is not a blocker** — the event already
-being parsed and routed means Slice 6 does not need to add a new parser —
-but whoever wires Buy's failure path should not be surprised to see a
-`[B-Drag]` log line fire on a failed purchase; it is retail-authentic wire
-behavior (ACE truly reuses the same event), not a bug in the existing
-handler.
-
-### A.3 — Sell (research only, confirming the fence)
-
-`Player.HandleActionSellItem` (`Player_Commerce.cs:126-226`) is a full
-mirror shape: per-item validation via `VerifySellItems`, payout
-calculation via `Vendor.CalculatePayoutCoinAmount`/`GetBuyCost`, pack-space
-check, item removal (`TryRemoveFromInventoryWithNetworking`/
-`TryDequipObjectWithNetworking` + `GameEventItemServerSaysContainId`),
-`vendor.ProcessItemsForPurchase`, coin-stack creation
-(`TryCreateInInventoryWithNetworking`), `GameMessageSound`, and a final
-unconditional `SendUseDoneEvent()`. No new findings beyond confirming the
-Slice 5 doc's fence — this stays Slice 6b/out-of-scope-for-this-pass
-territory; the buy-side plumbing recommended below (wire builder pattern,
-`UseDone` gate, `ApproachVendor` refresh handling) is directly reusable for
-sell once the sell UI exists.
-
-### A.4 — How the buy round-trip maps onto J5.2's transaction gate
-
-**`UseDone` is the completion signal — not the money update, not the
-`ApproachVendor` refresh.** Three independent confirmations:
-
-1. **ACE**: every code path through `HandleActionBuyItem` ends in exactly
- one `SendUseDoneEvent()` call, success or failure (A.2 above) — it is
- structurally the terminal event of the request, the same as ordinary
- `Use`.
-2. **holtburger** models Buy/Sell as `BusyOperationKind::Buy`/`::Sell`,
- armed via the SAME `arm_busy_operation` single-flight gate ordinary
- `Use`/`UseWithTarget` use (`references/holtburger/crates/holtburger-core/src/client/commands.rs:526-545`,
- `430-438`), and its own tests prove completion fires on `GameEvent::UseDone`
- (`references/holtburger/crates/holtburger-core/src/client/mod.rs:646-680`,
- and the `commands.rs:2131-2195` integration tests) — never on a money
- or `ApproachVendor` event.
-3. **acdream already has the exact matching gate** —
- `RuntimeInteractionTransactionState` (`src/AcDream.Runtime/Gameplay/RuntimeInteractionTransactionState.cs`)
- owns `BeginUseRequestReservation()`/`TryDispatchUse(...)` (the
- single-flight "one request outstanding" gate) and `CompleteUse(uint
- error)` (line 215-222), which is ALREADY wired to the inbound `UseDone`
- (`0x01C7`) handler (`src/AcDream.Core.Net/GameEventWiring.cs:492-503`,
- `497: registrar.Register(GameEventType.UseDone, e => { ... onUseDone?.Invoke(err.Value); ... })`).
-
-**Recommendation:** Buy dispatch should call
-`BeginUseRequestReservation()`/the equivalent reservation flow exactly the
-way `ItemInteractionController.ExecuteUseActions`'s `SendUse` case does
-today (Slice 5 doc §C.1), and let the SAME existing `UseDone` handler
-resolve it via `CompleteUse`. **No new completion-signal plumbing is
-needed on the receive side** — only the send side (a new outbound builder)
-and a new dispatch call site that goes through the existing gate need to be
-added. This also automatically gives Buy retail's `IsBusy` semantics for
-free: the existing single-flight gate already rejects a second Use/Buy
-while one is outstanding, matching ACE's own `IsBusy` check
-(`Player_Commerce.cs:24-28`).
-
----
-
-## B. Retail client mechanism
-
-### B.1 — What the Buy and Add buttons do
-
-Read `gmVendorUI::HandleButtonClicks` (`pc:203950`, `0x004C50D0`) in full —
-this is the dispatcher for every button on the vendor panel, keyed by the
-authored element id (all four ids below are confirmed against the Slice 5
-doc's §B.4 layout tree — `0x100000C2`=Buy, `0x100000C3`=Add to List on the
-"Items" tab; `0x100000C9`/`CA`=Buy Item/Buy All on the "Buying" tab):
-
-- **`0x100000C2` (Buy button, "Items" tab)** →
- `gmVendorUI::BuySingleItem(this, ACCWeenieObject::selectedID)`
- (`pc:203967`). **This is an IMMEDIATE single-item purchase of whatever is
- currently globally selected** — it does NOT stage into the "Buying" tab.
- Reading `BuySingleItem` itself (`pc:201661`, `0x004C2820`) in full:
- - Reads the selected item's own `_stackSize`; if `<=1` uses quantity 1,
- else calls `ItemHolder::GetObjectSplitSize` (i.e. the CURRENT slider
- value) as the purchase quantity (`pc:201674-201681`).
- - Computes the price via `VendorProfile::VendorSellPrice` and does a
- **client-side affordability pre-check** against `this->m_totalValue`
- (pyreal holdings) or, for an alt-currency vendor,
- `shopVendorProfile->trade_num - m_last_sale` (`pc:201686-201717`); on
- failure it shows a LOCAL string via `ECM_UI::SendNotice_DisplayStringInfo`
- and returns WITHOUT sending anything to the server (`pc:201700-201712`).
- - Also does a client-side pack/container-capacity pre-check
- (`pc:201730-201746`) mirroring ACE's own server-side check.
- - On success: builds a ONE-entry `ItemProfile` list (`var_9c = `, `var_98 = `, `pc:201750-201756`), calls
- `CM_Vendor::Event_Buy(shopVendorID, &list, currencyId)`
- (`pc:201763` — the exact wire builder traced in A.1), records the
- request (`ACCWeenieObject::RecordRequest(shopVendorID, IR_SHOP_EVENT)`)
- and increments a client-local busy counter
- (`ClientUISystem::IncrementBusyCount`) — the client-side mirror of the
- server's `IsBusy` gate (`pc:201764-201765`).
-- **`0x100000C3` (Add to List button, "Items" tab)** →
- looks up the selected weenie, computes its split size the same way, then
- calls `VendorItemsUI::AddToBuyList(this->m_itemsUI, item, quantity)`
- (`pc:203971-203985`). This **stages** the item into `this->m_buyList`
- (the data backing the "Buying" tab) — it sends NOTHING to the server.
-- **`0x100000C9` ("Buy Item" button, "Buying" tab)** — buys the currently
- selected item WITHIN the staged buy list (calls the same
- `BuySingleItem`), then removes it from the staged list on success
- (`pc:203989-204009`).
-- **`0x100000CA` ("Buy All" button, "Buying" tab)** — the batch path:
- validates the WHOLE staged list's total cost against holdings/container
- capacity, then calls `gmVendorUI::SendShopEvent(this, shopVendorID,
- &this->m_buyList, currencyId, SE_BUY)` (`pc:204075`) — sends the ENTIRE
- staged list in one `Event_Buy` call, then flushes the staged list
- (`pc:204076-204077`).
-
-**Conclusion for the contract**: retail's Buy button is a real,
-self-contained, immediate single-item purchase path that does NOT require
-the "Buying" tab/staging list to exist at all — `BuySingleItem` only reads
-`ACCWeenieObject::selectedID` and the shared split-size state, both of
-which are global, not staging-list-local. **This directly unblocks a
-minimal Slice 6: the Buy button can be wired to send a real purchase without
-building `VendorBuyUI`/staging first.** The Add button, by contrast,
-genuinely requires the "Buying" tab's staging list to exist to have any
-effect — it's pure client-local UI state with no wire message, so it can
-be safely left unwired (as it already is) without any user-visible "does
-nothing wrong" surprise, matching the register's existing framing of the
-"Buying" tab as present-but-inert.
-
-### B.2 — Double-click
-
-**No dedicated double-click-to-buy mechanism was found for vendor shop
-items.** Evidence, not absence-of-search:
-
-- `gmVendorUI::ListenToElementMessage` (`pc:204260-204309`, full function
- read) dispatches on message id 1 (button click →
- `HandleButtonClicks`), 7 (dropdown selection change), `0x2c` (page
- change), `0x15` (drop release), and `0x1c` (routes to
- `HandleMousePresses` only when `m_itemsUI != 0`) — there is no distinct
- "double-click" message id handled at the panel level.
-- The base list class `UIElement_ItemList` (every method enumerated via
- `docs/research/named-retail/symbols.json`, ~50 symbols) has
- `HandleSingleSelection`, `HandleTargetedUseLeftClick`,
- `ItemList_SetSelectedItem`, `ItemList_OpenContainer` (for double-clicking
- a CONTAINER item specifically — opening it, not buying), but **no
- generic double-click handler** and no vendor-specific one either.
-- Other retail panels DO have an explicit, separately-named double-click
- handler when the mechanism exists — e.g. `gmContractsUI::CheckForDoubleClick`
- (`0x00497A10`), `gmPageListUI::CheckForDoubleClick` (`0x00493140`). No
- `gmVendorUI::CheckForDoubleClick` or `VendorItemsUI::CheckForDoubleClick`
- symbol exists in the 18,366-function named table.
-
-**Conclusion:** retail's confirmed vendor-item interaction model is
-single-click-to-select (→ drives the global `ACCWeenieObject::selectedID`,
-B.3 below) plus an explicit Buy/Add button press. There is no evidence
-retail supports double-click-to-buy on the shop list. The user's
-expectation likely carries over from inventory-panel muscle memory
-(double-click = use/equip elsewhere in retail) — but the vendor "Items"
-list is not that panel. **This is flagged as an open question for the
-contract, not resolved unilaterally**: per the project's
-no-invented-mechanisms discipline, do not silently add a double-click-buy
-shortcut and call it retail-faithful. The retail-faithful, fully-evidenced
-fix for "double-click does nothing" is: (a) make single-click meaningfully
-select (today it only sets a private field with no visible effect — see
-B.3), and (b) make the Buy button actually work. If the user still wants a
-double-click shortcut after seeing single-click+Buy work, that is a
-deliberate, flagged acdream UX addition on top of retail, not a retail port
-— call it out explicitly in the commit/register the way AP-116
-(Particle Range) or similar user-directed deviations are recorded.
-
-### B.3 — The quantity slider
-
-**The slider is not a vendor-panel widget. It is the TOOLBAR's shared
-stack-quantity control**, reused by every "select a stackable item"
-interaction in the game (splitting an inventory stack, and — per this
-research — buying a partial stack from a vendor). Full trace:
-
-- `gmToolbarUI::HandleSelectionChanged` (`pc:198635-198834`, `0x004BF380`)
- — the SAME function already partially cited in the existing code's
- `VendorSplitSize` doc comment — is the ONE seeding point. On every
- global selection change it:
- 1. Hides `this->m_pStackSizeEntryBox` and `this->m_pStackSizeSlider`
- by default (`pc:198660-198661`).
- 2. If the selected item's own `_stackSize <= 1`, leaves them hidden
- (single, non-splittable item — `pc:198746-198766`).
- 3. Otherwise (splittable item), computes the SEED quantity with the
- exact vendor branch already ported into acdream's
- `VendorUiController.VendorSplitSize`
- (`pc:198771-198788`): if no vendor is open, or the item isn't owned
- by the open vendor, or the item's type does NOT intersect mask
- `0xDC41CB0`, seed = the item's own stack size; **else** (vendor-owned
- AND type matches the exempt mask) seed = 1. Sets
- `GenItemHolder::splitSize = seed`, `GenItemHolder::maxSplitSize =
- stackSize`, writes the seed into the entry box text, sets the
- SLIDER's normalized position attribute (`0x86`) to `splitSize /
- maxSplitSize`, and makes BOTH controls visible (`pc:198790-198820`).
-- The player can then either **drag the slider** (element `0x100001A3`,
- message `0xa`, a delta-style update — `gmToolbarUI::ListenToElementMessage`,
- `pc:198323-198346`) or **type into the entry box** (element `0x100001A4`,
- message `0x2f` on focus-loss/enter, parsed via `wcstoul` and clamped —
- `pc:198358-198400`). Either path updates `GenItemHolder::splitSize`
- (clamped to `[1, maxSplitSize]`) and broadcasts
- `CM_UI::SendNotice_StackSliderChanged(splitSize, maxSplitSize)`
- (`pc:198345`, `0x0047A150`) — a GLOBAL notice.
-- `gmVendorUI::RecvNotice_StackSliderChanged` (`pc:203263-203278`,
- `0x004C4500`) is a REGISTERED LISTENER on that same global notice: if the
- vendor panel is visible and the globally-selected item is in the
- vendor's own shown list, it calls `VendorItemsUI::UpdateItemsUI` to
- re-render the name/cost text with the new quantity. **The vendor panel
- never owns the slider — it only reacts to it.**
-- `ItemHolder::GetObjectSplitSize` (`pc:401465-401477`, `0x00586F00`)
- — the function `BuySingleItem` and every other purchase/split path
- reads for the actual transacted quantity — literally
- `return GenItemHolder::splitSize;` for the currently-selected object.
-
-**Conclusion:** the "no slider" symptom is not a missing widget so much as
-a missing WIRE-UP. acdream ALREADY has a complete, byte-faithful port of
-this entire mechanism, unused by the vendor panel:
-
-- `src/AcDream.Core/Items/StackSplitQuantityState.cs` — ports
- `GenItemHolder::splitSize`/`maxSplitSize` exactly, including
- `SetFromSliderRatio` (the `0.25s` scrollbar-to-integer conversion,
- citing `UIElement_Scrollbar::SetScrollbarPosition @ 0x00470EC0`) and
- `GetObjectSplitSize` (citing `ItemHolder::GetObjectSplitSize @
- 0x00586F00` directly, line 51-61).
-- `src/AcDream.App/UI/Layout/SelectedObjectController.cs` — binds
- `StackSizeEntryId = 0x100001A3`, `StackSizeSliderId = 0x100001A4`
- (lines 55-57) to real `UiField`/`UiScrollbar` elements on the TOOLBAR
- layout, wires visibility + seeding in `ApplySelection`
- (`gmToolbarUI::HandleSelectionChanged` port, lines 285-362), and
- round-trips slider drag / text entry back into `StackSplitQuantityState`
- (`OnStackSliderChanged`/`CommitStackEntry`, lines 408-431). Its own doc
- comment ALREADY calls out the exact gap: *"stacks initialize to the full
- stack... **Vendor-owned stack precedence is intentionally absent until
- the vendor panel owns an active vendor id.**"* (lines 336-339).
-- `src/AcDream.App/UI/Layout/ToolbarController.cs:39-41` independently
- confirms element ownership: *"SelectedObjectController owns the
- health/mana meters and both stack controls."*
-
-The numeric neighborhood also confirms this is the SAME already-imported
-LayoutDesc: `ToolbarController`'s own const ids bracket the slider exactly
-— `AmmoIndicatorId = 0x10000194`, then the slider pair
-`0x100001A3`/`0x100001A4`, then `UseButtonId = 0x1000019D`,
-`ExamineButtonId = 0x100001A5` (`ToolbarController.cs:50-52`,
-`SelectedObjectController.cs:45-57`) — all one contiguous authored block
-already resolved by the existing `layout.FindElement` calls at toolbar
-mount time. **No new LayoutDesc import or dat discovery is needed — the
-elements are already found and bound; only the vendor-side trigger is
-missing.**
-
-### B.4 — The global selection coupling (`ACCWeenieObject::SetSelectedObject`)
-
-Confirmed call site with a vendor-owned guid:
-`VendorSellUI::AddItemToSell` (`pc:203546-203567`, `0x004C4A20`) calls
-`ACCWeenieObject::SetSelectedObject(arg2, 0)` directly (`pc:203558`) when
-an item is dragged onto the sell tab — proving vendor-context items DO
-flow through the same global selection primitive as everything else, not a
-vendor-local one.
-
-The fan-out mechanism: `gmVendorUI::RecvNotice_SetSelectedItem`
-(`pc:199464-199470`, `0x004C0280`) is a registered listener on the global
-"selection changed" notice that forwards to THREE registered sub-listeners
-(hash buckets `0xc`/`0xd`/`0xe` — almost certainly `m_itemsUI`, `m_buyUI`,
-`m_sellUI`, each of which has its own matching `XxxUI::HandleSetSelectedItem`
-symbol: `VendorItemsUI::HandleSetSelectedItem @ 0x004C49B0`,
-`VendorBuyUI::HandleSetSelectedItem @ 0x004C0EA0`,
-`VendorSellUI::HandleSetSelectedItem @ 0x004C0F50`, plus a shared
-`VendorSubUI::HandleSetSelectedItem @ 0x004F5860` base). Reading
-`VendorItemsUI::HandleSetSelectedItem` (`pc:203519-203524`) — it is a pure
-UI-refresh reaction: `UpdateItemsUI()` + `UpdateQuantityOverlay()`, no
-state ownership. **The vendor panel is a CONSUMER of the global selection,
-never its owner** — exactly mirroring the toolbar/status-bar relationship
-in B.3.
-
-**Identifying a vendor-owned item in the selection**: retail's own check
-(`gmToolbarUI::HandleSelectionChanged`, `pc:198781`) is
-`eax_5->pwd._containerID != ClientUISystem::GetUISystem()->vendorID` — the
-selected weenie's OWN `_containerID` field equals the currently-open
-vendor's guid. This requires the selected item to be a REAL client weenie
-object with a real `_containerID`/`ContainerId` — which is exactly why
-this finding is entangled with the acdream seam below (C.1): a vendor shop
-item that only exists as a `VendorShopItem` record (not a `ClientObjectTable`
-entry with a `ContainerId`) cannot be resolved this way.
-
-### B.5 — Constructing the outbound Buy message
-
-Already fully traced in B.1/A.1: `BuySingleItem` builds a one-entry
-`ItemProfile(amount=, guid=)`
-(`pc:201749-201756`), reads the vendor's `VendorTradeCurrency` for the
-trailing currency id, and calls `CM_Vendor::Event_Buy(vendorId, &list,
-currencyId)`. No separate "build the message" step exists distinct from
-the button-click handler itself — retail does not stage-then-serialize;
-`BuySingleItem` does both the validation AND the send inline.
-
----
-
-## C. acdream seams
-
-### C.1 — The canonical selection owner, and its hard dependency
-
-`SelectionState` (`src/AcDream.Core/Selection/SelectionState.cs`) is
-acdream's already-complete port of `ACCWeenieObject::SetSelectedObject`
-(its own doc comment says so verbatim, lines 34-39): dedup, previous-id
-tracking, and a `Changed` event fanned out to every listener with
-per-listener exception isolation — the exact shape `RecvNotice_SetSelectedItem`'s
-fan-out has in B.4. It already has a `SelectionChangeSource` enum
-(`System, World, Radar, Inventory, ExternalContainer, Paperdoll, Toolbar,
-Keyboard, Plugin`) with a slot conspicuously reserved for exactly this kind
-of per-origin tagging — but **no `Vendor` case exists yet**.
-
-Every OTHER retained panel already threads the SAME `SelectionState`
-singleton into its own bindings record:
-`RadarRuntimeBindings.Selection` (`RetailUiRuntime.cs:43`),
-`MagicRuntimeBindings.Selection` (`:62`),
-`ToolbarRuntimeBindings.Selection` (`:104`),
-`InventoryRuntimeBindings.Selection` (`:131`),
-`ExternalContainerRuntimeBindings.Selection` (`:139`). Real call sites:
-`_bindings.Radar.Selection.Select(guid, SelectionChangeSource.Radar)`
-(`RetailUiRuntime.cs:633`), `b.Selection.Select(guid,
-SelectionChangeSource.Toolbar)` (`:739`). **`VendorRuntimeBindings`
-(`RetailUiRuntime.cs:171-173`) is the only panel binding record missing a
-`Selection` field** — it carries just `VendorState State` and
-`ResolveIcon`. This is a two-field record change plus one new enum case,
-not a new subsystem.
-
-`StackSplitQuantityState` is likewise already a TOP-LEVEL singleton on
-`RetailUiRuntimeBindings` (`RetailUiRuntime.cs:195`, exposed as
-`private StackSplitQuantityState StackSplitQuantity => _bindings.StackSplitQuantity;`
-at line 208) — already reachable from `MountVendor()` (`RetailUiRuntime.cs:1929`)
-without any new plumbing at all, since it's not per-panel like `Selection`
-is.
-
-**The hard dependency (why this must come first, not last):**
-`SelectedObjectController`'s name/stack-size resolvers are wired, at the
-composition root, DIRECTLY against `ClientObjectTable`:
-`ResolveName: guid => d.Inventory.Objects.Get(guid)?.GetAppropriateName()`
-and `StackSize: guid => (uint)(d.Inventory.Objects.Get(guid)?.StackSize ??
-0)` (`src/AcDream.App/Composition/InteractionRetainedUiComposition.cs:646`,
-`649-650`). Vendor shop items are **not** registered in
-`ClientObjectTable` today — confirmed by AP-161 finding #2
-(`docs/architecture/retail-divergence-register.md`) and by reading
-`VendorState.Apply` (`VendorState.cs:144-182`), which only stores items in
-its own `IReadOnlyList`, and `GameEventWiring`'s
-`ApproachVendor` handler (per AP-161's own text), which "only calls
-`vendor?.Apply(...)`, never touches `items`/`ClientObjectTable`."
-
-**Consequence:** if `VendorUiController`'s row click is wired to
-`SelectionState.Select(item.ItemGuid, SelectionChangeSource.Vendor)`
-*before* shop items are registered in `ClientObjectTable`, the status bar
-will show a BLANK name and a stack size of 0 for a selected shop item —
-a regression dressed as a fix, not a working feature. **The Slice 5 doc's
-already-made recommendation (§A.2 point 4: register each `ApproachVendor`
-item into `ClientObjectTable` the way retail materializes a real
-`CWeenieObject` per shop item, `pc:203720-203748`) is therefore not
-optional polish for Slice 6 — it is the load-bearing prerequisite for
-symptoms 3 and 4 both, and it simultaneously unlocks AP-161's finding #2
-(shop-item examine, currently a hard-STOP because `AppraisalUiController.Apply`
-requires a live `ClientObjectTable` entry —
-`src/AcDream.App/UI/Layout/AppraisalUiController.cs:418-420`).**
-
-A concrete registration mechanism already exists to reuse:
-`ClientObjectTable.Ingest(WeenieData)` is how ordinary `CreateObject`
-entries get registered (`ObjectTableWiring.ApplyEntitySpawn`,
-`src/AcDream.Core.Net/ObjectTableWiring.cs:105-130`, `table.Ingest(data)`
-at line 124). Since a `VendorShopItem`'s wire source is literally the same
-`PublicWeenieDesc` body a `CreateObject` carries (Slice 5 doc §A.2 point 3),
-building an equivalent `WeenieData` per shop item (guid, `ContainerId =
-vendorGuid`, name/type/icon/stack fields already captured on
-`VendorShopItem`, `VendorState.cs:38-78`) and calling the same `Ingest`
-path is the natural, minimal-new-code route — not a new registration
-mechanism.
-
-Once shop items ARE in `ClientObjectTable` and `VendorRuntimeBindings`
-carries `Selection`, retail's vendor-owned split-exempt-mask branch
-(B.3) needs exactly one more piece: `SelectedObjectController.ApplySelection`
-currently seeds `StackSplitQuantityState.Reset(stackSize)` unconditionally
-for any `stackSize > 1u` (`SelectedObjectController.cs:340-345`) — it has
-no notion of "is this a vendor-owned item, and does its type match the
-split-exempt mask." The mask constant already exists (ported once, for
-display-only purposes) as `VendorUiController.SplitExemptMask = 0xDC41CB0`
-(`VendorUiController.cs:163`, `pc:198784`, `gmToolbarUI::HandleSelectionChanged`).
-**The contract should either (a) move this mask + its "is this guid owned
-by the currently-open vendor" check into `SelectedObjectController`/a
-small shared helper both it and `VendorUiController` call, or (b) inject
-"vendor id + split-exempt predicate" as a delegate into
-`SelectedObjectController.Bind` the same way health/mana/name are already
-injected** — a genuine, bounded design decision for the contract, not a
-research finding to pre-decide.
-
-### C.2 — The outbound GameAction builder pattern
-
-`src/AcDream.Core.Net/Messages/InteractRequests.cs` is the established
-precedent: one `public static class` per family, one `public const uint`
-opcode, one `public static byte[] BuildXxx(uint gameActionSequence, ...)`
-per message shape writing the fixed `0xF7B1` envelope + sequence + opcode +
-fields with `BinaryPrimitives.WriteXxxLittleEndian` (see `BuildUse`,
-`BuildUseWithTarget`, `BuildTeleToLifestone`, `BuildPickUp` — lines 38-108).
-None of the existing builders in this file handle a variable-length list
-payload yet (Buy needs `itemCount` + N variable items), but the pattern
-extends trivially (compute `16 + 8*itemCount` bytes, write the count, loop
-writing `amount`/`guid` pairs, then the trailing currency `u32`).
-
-The send-site pattern lives on `WorldSession`
-(`src/AcDream.Core.Net/WorldSession.cs`): every `SendXxx` method is
-`NextGameActionSequence()` → `SomeRequests.BuildXxx(seq, ...)` →
-`SendGameAction(body)` (e.g. `SendTeleportToLifestone`, lines 2078-2082;
-`SendTalk`, lines 2040-2046). A `SendBuy(uint vendorGuid, uint itemGuid,
-int amount, uint alternateCurrencyId)` following this exact three-line
-shape is the natural addition, paired with a new `VendorRequests.BuildBuy`
-(or extending `InteractRequests`) static builder.
-
-Existing sibling bindings show the exact shape a `SendBuy` delegate should
-have when threaded into `VendorRuntimeBindings`: `InventoryRuntimeBindings.SendUse`
-is `Action?`, `SendPutItemInContainer` is `Action?`,
-`SendStackableSplitToContainer` is `Action?`
-(`RetailUiRuntime.cs:126-129`) — all nullable nullary-return `Action<...>`
-delegates constructed at the composition root as
-`guid => late.Session.CurrentSession?.SendXxx(...)`
-(`InteractionRetainedUiComposition.cs:668-673` for the `Inventory` block).
-
-### C.3 — Existing split/quantity UI
-
-Already fully covered in B.3/C.1: **the quantity UI is not missing, it is
-unwired for vendor.** `SelectedObjectController` + `StackSplitQuantityState`
-are the complete, already-shipped port living on the retail toolbar
-LayoutDesc (`0x21000016`) that `ToolbarController` already imports. No new
-LayoutDesc discovery, no new dat-extraction pass, and no new widget class
-are needed for the slider itself.
-
-### C.4 — Money display and the reconciliation loop
-
-`VendorUiController.BuildCostText` already reads the player's holdings
-live from `ClientObjectTable`: `_objects.Get(_playerGuid())?.Properties.GetInt((uint)PropertyInt.CoinValue)`
-(`VendorUiController.cs:691`). `PropertyInt.CoinValue` updates are ALREADY
-generic, wired-once machinery: `ObjectTableWiring.Wire`'s
-`PrivateUpdatePropertyInt (0x02CD)` handler applies ANY int property to the
-player's `ClientObjectTable` entry with no per-property special-casing
-(`src/AcDream.Core.Net/ObjectTableWiring.cs:49-62`) — this is the SAME path
-`UpdateCoinValue`'s server-side `GameMessagePrivateUpdatePropertyInt(PropertyInt.CoinValue,
-...)` (A.2 above) lands on.
-
-The full reconciliation loop after a successful buy — coin deduction,
-new item appearing in inventory, encumbrance update — is **already fully
-covered by existing generic machinery** with zero vendor-specific code
-needed: `GameMessageCreateObject`/`GameEventItemServerSaysContainId` for
-the new item (standard inventory-placement plumbing, J4.2), and
-`PrivateUpdatePropertyInt` for `CoinValue`/`EncumbranceVal` (above). The
-vendor panel's own cost/price text will refresh automatically on the next
-`ApproachVendor` (A.2 step 4) → `VendorState.Apply` →
-`VendorUiController.OnVendorChanged`'s `Refreshed` case →
-`RebuildCategories()` → `RebuildItemList()` → (if the prior selection
-survives the rebuild) `SelectItem()`, which re-reads `CoinValue` live —
-matching retail's own `OpenVendor`-refresh-driven redraw model exactly
-(no polling, no separate "did money change" event needed).
-
-**Net effect for the contract: Slice 6's true remaining implementation
-surface is narrow.** The generic reconciliation plumbing (money, inventory
-placement, panel refresh-on-reopen) is DONE. What's actually missing is:
-(1) shop items in `ClientObjectTable`, (2) `SelectionChangeSource.Vendor` +
-wiring the row click and Buy button, (3) the outbound Buy builder + a
-`SendBuy` dispatch through the existing `UseDone` gate, (4) threading
-`SelectionState`/a vendor-owned split predicate so the slider shows and
-seeds correctly.
-
----
-
-## D. Scope recommendation
-
-Minimal retail-faithful ordering, in dependency order (each step is
-concretely unblocked by the one before it; skipping ahead reproduces the
-"blank status bar" regression risk called out in C.1):
-
-1. **Materialize `ApproachVendor` shop items into `ClientObjectTable`**
- (guid, `ContainerId = vendorGuid`, the fields `VendorShopItem` already
- captures) via the existing `Ingest(WeenieData)` path
- (`ObjectTableWiring.ApplyEntitySpawn`'s pattern). This is the
- prerequisite for everything else and simultaneously retires half of
- AP-161's finding #2 (shop-item examine becomes reachable once
- `AppraisalUiController.Apply`'s `ClientObjectTable` lookup succeeds).
-2. **Add `SelectionChangeSource.Vendor`; add `SelectionState Selection`
- (and a vendor-owned split-exempt predicate, C.1's open design question)
- to `VendorRuntimeBindings`; change `VendorUiController`'s row click
- (`cell.Clicked`, line 567) to call `SelectionState.Select(item.ItemGuid,
- SelectionChangeSource.Vendor)` instead of the private
- `SelectItem`/`_selectedItemGuid` path.** This single change, given step
- 1 is done, fixes symptom 4 (status bar) AND symptom 3 (slider — because
- `SelectedObjectController.ApplySelection` already shows/seeds the
- toolbar slider for any stack `>1u` once the guid resolves through
- `ClientObjectTable`) as a side effect of routing through the REAL owner
- instead of reimplementing display logic locally.
-3. **The outbound Buy wire message + dispatch through the existing
- `UseDone` gate** (C.2/A.4): a `VendorRequests.BuildBuy` builder,
- `WorldSession.SendBuy`, a `SendBuy` delegate threaded into
- `VendorRuntimeBindings`, and a call from the Buy button (below) routed
- through `RuntimeInteractionTransactionState`'s existing single-flight
- reservation the same way ordinary `Use` is.
-4. **Wire `_buyButton.OnClick`** to read
- `SelectionState.SelectedObjectId` + `StackSplitQuantityState.GetObjectSplitSize(...)`
- and call the new `SendBuy` — porting `BuySingleItem`'s exact shape
- (B.1): client-side affordability pre-check optional (server already
- validates and sends a clear-enough failure signal per A.2 — a nice-to-have,
- not required for correctness), immediate single-item purchase, no
- staging list required.
-
-**Explicitly deferred, not required to fix the four reported symptoms:**
-
-- **`VendorBuyUI`/`VendorSellUI` staging** (the "Buying"/"Selling" tabs'
- Add/Buy Item/Buy All/Clear buttons) — B.1 proves the Buy button works
- completely independently of staging. Leave these tabs exactly as
- AP-161 already documents them (present, switch pages, inert).
-- **Double-click-to-buy** — B.2 found no retail precedent; do not add it
- silently. Surface as an explicit open question (below) rather than
- guessing at a UX addition.
-- **Sell** (A.3) — full mirror wire shape noted for when the sell UI is
- built; not part of this pass.
-- **`VendorProfile::InqAcceptability`** (sell-eligibility highlighting) —
- unchanged from the Slice 5 fence; still meaningless without a sell UI.
-
----
-
-## Open questions for the contract
-
-1. **Client-side pre-checks (affordability, capacity) before sending
- Buy** — retail does them (B.1); ACE also validates server-side and
- sends a distinguishable-enough failure signal (A.2). Recommendation:
- skip the client-side pre-check for this pass (it's pure latency/UX
- polish, not correctness — the server is authoritative either way) and
- file it as a fast follow-up if the user notices the round-trip lag on a
- refused purchase.
-2. **Double-click** — no retail mechanism found (B.2). Ask the user
- directly whether they want a deliberate acdream-only double-click
- shortcut once single-click-select + Buy-button-works is verified live,
- rather than assuming yes and inventing behavior.
-3. **Where does the vendor-owned split-exempt-mask predicate live** — C.1's
- design question: fold into `SelectedObjectController` directly (it
- already owns the seeding logic, would need a `Func
- isVendorOwnedExempt` delegate), or keep it a small shared static helper
- both `SelectedObjectController` and `VendorUiController` call. Either is
- defensible; the contract should pick one rather than duplicating the
- `0xDC41CB0` mask logic a second time (it already exists once, as
- display-only logic, in `VendorUiController.VendorSplitSize` — that
- copy should be deleted once the real seeding path exists, not left as
- a second source of truth).
-4. **Trailing `AlternateCurrencyId` field on the outbound Buy message** —
- A.1 resolved the ACE-vs-retail tension in favor of porting it (retail
- sends it; ACE currently ignores it but doesn't break if present).
- Confirm no objection before implementation, since it's the one place
- this document recommends porting a field the CURRENT ACE server build
- demonstrably doesn't need.
-5. **`WeenieData`/`Ingest` construction for shop items** — the exact field
- mapping from `VendorShopItem` (`VendorState.cs:38-78`) to whatever
- `WeenieData` shape `ClientObjectTable.Ingest` expects wasn't traced to
- the field level in this pass (time-boxed); a focused read of
- `ObjectTableWiring.ToWeenieData` (referenced at
- `ObjectTableWiring.cs:115`) against `VendorShopItem`'s field list is a
- short follow-up before implementation, not a re-open of this
- document's conclusions.
diff --git a/docs/research/2026-08-08-slice6b-vendor-completion-research.md b/docs/research/2026-08-08-slice6b-vendor-completion-research.md
deleted file mode 100644
index 2d563c97..00000000
--- a/docs/research/2026-08-08-slice6b-vendor-completion-research.md
+++ /dev/null
@@ -1,893 +0,0 @@
-# Slice 6b/6c vendor-completion research — staging, selling, and three live-gate gaps
-
-**Date:** 2026-08-08
-**Trigger:** the user's live connected gate on the Slice 6 buy arc (`97cf8738`,
-`3c9fc57a`, `5224e438`) surfaced three residual mechanism gaps (bought items
-land last, vendor use-range feels too tight, the stacked-item status bar is
-missing pieces) plus the two fenced-out features (Buying-tab staging,
-Selling-tab drag-to-sell). This document answers all three gaps and both
-staging mechanisms with retail citations, so the implementer can pick up
-Slice 6b (staging) and 6c (selling) without re-deriving the decomp.
-
-**Verified starting point:** repo HEAD at research time was `5224e438`
-("fix(vendor): gate-findings pass — the X button HIDES like retail, clicks
-return, the dropdown scrolls, pyreal suffix, staged-tab slots"). Read-only
-research; no code changed. `src/AcDream.App/UI/Layout/UiMenu.cs` and
-`VendorUiController.cs` are owned by a parallel implementer in this session —
-both were read in full for this document but are cited, not edited.
-
-**Mandatory prior reading done first:**
-`docs/research/2026-08-08-slice5-vendor-browse-research.md` (browse lifecycle,
-the D0 layout tree with all vendor-panel element ids, the Items/Buying/Selling
-tab discovery) and `docs/research/2026-08-08-slice6-vendor-transactions-research.md`
-(§A has the byte-verified 0x005F Buy payload; §B.1 has `BuySingleItem` and
-the Add-to-List staging pointer this document expands). Neither document is
-re-derived here — findings are cited forward.
-
----
-
-## Q1 — bought items land LAST; retail puts them FIRST
-
-**Short answer: the insert-position rule is 100% server-sourced, ACE defaults
-new inventory items to position 0 (front), and acdream already has a
-byte-faithful port of the exact retail positional-insert algorithm, already
-wired to the same wire field. On paper this already produces "bought items
-land first." If the live symptom persists, the mechanism itself is not the
-likely suspect — see the narrow open question at the end of this section.**
-
-### Retail's insert-position mechanism
-
-`ACCWeenieObject::ServerSaysContainID` (`pc:405992`, `0x0058be40`) is the
-client-side handler for the `ContainID` UI-queue event (case `0x22` in
-`UIQueueManager::ProcessNetBlobData`, `pc:359268-359293`):
-
-```
-void ACCWeenieObject::ServerSaysContainID(this, itemId, position, containerTypeFlag)
-{
- IDList* list = (containerTypeFlag == 0) ? &objInventory->_itemsList
- : &objInventory->_containersList;
- return IDList::AddAtNum(list, itemId, position, /*allowAppend*/ 1);
-}
-```
-
-`IDList::AddAtNum` (`pc:443381`, `0x005add20`) is a genuine positional
-doubly-linked-list insert: it walks to the node currently at index
-`position` and splices the new node in BEFORE it (or appends if
-`position == numIDs`). **The position is not computed locally — it is the
-literal `arg3` the caller passed in, sourced from the wire.**
-
-The caller (`UIQueueManager::ProcessNetBlobData` case `0x22`, `pc:359268-359291`)
-reads four fields off the payload in order — item guid, container guid, a
-third field (`var_1b8`, passed as the position), and a fourth field
-(`var_1b0`, passed as the container-type flag) — then calls
-`ACCWeenieObject::ServerSaysContainID(containerObj, itemId, var_1b8, var_1b0)`.
-
-### ACE's wire writer confirms the field mapping and the default value
-
-`GameEventItemServerSaysContainId` (`references/ACE/Source/ACE.Server/Network/GameEvent/Events/GameEventItemServerSaysContainId.cs:7-14`):
-
-```csharp
-Writer.WriteGuid(itemToBeContained.Guid);
-Writer.WriteGuid(container.Guid);
-Writer.Write(itemToBeContained.PlacementPosition ?? 0); // ← the position field
-Writer.Write((uint)itemToBeContained.ContainerType); // ← the container-type flag
-```
-
-This is byte-identical to the four fields `ServerSaysContainID` reads
-(guid, container, position, type flag). **`PlacementPosition` on the wire is
-literally retail's insert index.**
-
-`Container.TryAddToInventory(WorldObject, out Container, int placementPosition = 0, ...)`
-(`references/ACE/Source/ACE.Server/WorldObjects/Container.cs:499`) defaults
-`placementPosition` to **0** and, when placing an item, shifts every
-existing same-category item's `PlacementPosition` up by one
-(`Container.cs:567-570`):
-
-```csharp
-worldObject.PlacementPosition = placementPosition;
-containerItems.Where(i => !i.UseBackpackSlot && i.PlacementPosition >= placementPosition)
- .ToList().ForEach(i => i.PlacementPosition++);
-```
-
-`Player.TryCreateInInventoryWithNetworking(WorldObject, out Container)`
-(`Player_Inventory.cs:90-115`) — the method `FinalizeBuyTransaction` calls
-for every purchased item (`Player_Commerce.cs:73-95`) — calls the **2-arg**
-`TryAddToInventory(item, out container)` overload, which resolves to the
-3-arg overload's default `placementPosition = 0`. There is only one matching
-overload (`Container.cs:390` and `Container.cs:499`), so this is
-unambiguous: **every ordinary item creation in ACE — buy, pickup, gem
-identification, crafting output — places the new item at position 0,
-pushing everything else back one slot.**
-
-### acdream already ports this exact mechanism
-
-`ClientObjectTable.InsertContainerMember` (`src/AcDream.Core/Items/ClientObjectTable.cs:1108-1142`)
-is a direct, already-cited port of `IDList::AddAtNum`'s category-aware
-positional insert:
-
-```csharp
-/// Port of retail ACCWeenieObject::AddContent @ 0x0058CCE0: items and
-/// child containers have separate ordered IDLists and IDList::AddAtNum
-/// clamps the requested index to the list length.
-private void InsertContainerMember(ClientObject item, int requestedSlot)
-```
-
-It is reached from `ApplyServerMove` → `ApplyPlacement(..., retailContainerInsert: true)`
-(`ClientObjectTable.cs:380-437`), which is called directly from the
-`InventoryPutObjInContainer` (0x0022) wire handler
-(`src/AcDream.Core.Net/GameEventWiring.cs:356-367`):
-
-```csharp
-registrar.Register(GameEventType.InventoryPutObjInContainer, e =>
-{
- var p = GameEvents.ParsePutObjInContainer(e.Payload.Span);
- if (p is null) return;
- items.ApplyConfirmedServerMove(
- p.Value.ItemGuid, p.Value.ContainerGuid,
- newWielderId: 0u,
- newSlot: (int)p.Value.Placement, // ← the SAME wire field ACE writes
- containerTypeHint: p.Value.ContainerType);
-});
-```
-
-`GameEvents.ParsePutObjInContainer` (`src/AcDream.Core.Net/Messages/GameEvents.cs:390-404`)
-already documents the field layout with the exact ACE citation. And
-`InventoryController.Populate()` (`src/AcDream.App/UI/Layout/InventoryController.cs:378-395`)
-reads the pack's display order straight off
-`ClientObjectTable.GetContents(open)` (`ClientObjectTable.cs:1269-1271`),
-which returns the SAME `_containerIndex` list `InsertContainerMember`
-maintains — there is no separate/secondary sort in the panel.
-`InventoryController` also subscribes to `ObjectMoved`/`ContainerContentsReplaced`
-(`InventoryController.cs:194-197`) and repaints on both, so a position
-correction that lands after the item's own `CreateObject` is not stale in
-the render.
-
-**Net: every link in the chain — wire field → ACE default → acdream parser →
-acdream positional insert → acdream panel read — already matches retail
-insert-at-position-0.** This is not a one-line fix; there does not appear to
-be a missing piece.
-
-### Open question — if the symptom is still observed live
-
-Everything above is verified from source, not from a live trace (this was a
-read-only research pass). The one path this document did NOT rule out:
-**stack-merge.** If ACE decides a purchased stackable item can merge into an
-*existing* pack stack of the same WCID rather than creating a new item
-(some games do this before falling back to `TryCreateInInventoryWithNetworking`),
-the result would be a `GameMessageSetStackSize` on the existing item with NO
-`ContainId`/position change at all — the item would stay wherever it already
-was, appearing to "not move," which a user could report as "landed at the
-end" if the existing stack happened to be at the end of the pack. This
-document did not trace `ItemProfileToWorldObjects`/`Vendor.BuyItems_ValidateTransaction`
-far enough to rule this in or out for every item category. **Recommendation:**
-before writing any code, do a single live buy of a fresh (never-before-owned)
-item and confirm placement with `ACDREAM_DUMP_CELLS`-style instrumentation or
-a breakpoint on `ApplyConfirmedServerMove`, rather than re-deriving the
-already-correct positional-insert logic above.
-
----
-
-## Q2 — the vendor opens only at very close range
-
-**Short answer: neither retail's client nor acdream's client gates the Use
-SEND on distance — both send it unconditionally. The actual "walk to the
-vendor" mechanic is entirely SERVER-driven in retail (ACE's `CreateMoveToChain`),
-delivered back to the mover's own client as an ordinary broadcast motion
-command, not as local client prediction. acdream has a complete, already-built
-client-predicted move-to-target mechanism (`PlayerInteractionMovementSink.BeginApproach`),
-but today it is wired ONLY to pickup, never to Use/Activate.**
-
-### (a) Neither client gates Use by distance
-
-`ItemHolder::UseObject` (`pc:402923`, `0x00588a80`) is the client function
-every use-item entry point calls (`ClientUISystem::UseObject`,
-`ItemHolder::UseObject` at the SmartBox/selection sites, the toolbar Use
-button). Reading it in full: it does a 0.2s spam-throttle check
-(`m_timeLastUsed`), a busy-request check
-(`ACCWeenieObject::IsPlayerReadyToMakeInventoryRequest`), and a series of
-use-legality checks (trade-locked, wield-required, PK-altar confirmation) —
-**there is no distance/range check anywhere in this function.** On the
-success path it calls `CM_Inventory::Event_UseEvent(arg1)` unconditionally
-(`pc:403043`) and shows the status text `"Approaching %s"` when the target's
-`InqType() & 0x10` bit is set (`pc:403047-403051`) — that string is passive
-UI feedback reacting to the send, not a gate on it.
-
-acdream's equivalent send path, `SelectionInteractionController.RequestUse`
-(`src/AcDream.App/Interaction/SelectionInteractionController.cs:217-235`),
-matches this exactly: it calls `CancelPendingApproach()` then dispatches
-`_transactions.TryDispatchUse(...)` immediately — **no `TryGetApproach`/range
-check precedes it**, unlike the sibling `RequestPickup` method in the same
-file (below). Both clients send Use unconditionally regardless of distance.
-
-### (b) ACE's server-side range enforcement and move-to
-
-`WorldObject.IsWithinUseRadiusOf` (`references/ACE/Source/ACE.Server/WorldObjects/WorldObject_Use.cs:47-55`):
-
-```csharp
-public bool IsWithinUseRadiusOf(WorldObject wo, float? useRadius = null)
-{
- if (useRadius == null) useRadius = wo.UseRadius ?? 0.6f;
- var cylDist = GetCylinderDistance(wo);
- return cylDist <= useRadius;
-}
-```
-
-`0.6f` is the fallback ONLY for objects with no authored `UseRadius`. A
-vendor NPC's actual `UseRadius` is whatever its weenie's `PropertyFloat.UseRadius`
-is authored to (typically several meters for an NPC, not the 0.6f ground-item
-fallback) — the "very close range" symptom is not explained by this fallback
-alone.
-
-**The actual mechanism ("walk to it") lives in `Player.HandleActionUseItem`**
-(`references/ACE/Source/ACE.Server/WorldObjects/Player_Use.cs:176-215`):
-
-```csharp
-if (item.CurrentLandblock != null && !item.Visibility && item.Guid != LastOpenedContainerId)
-{
- if (IsBusy) { SendUseDoneEvent(WeenieError.YoureTooBusy); return; }
- CreateMoveToChain(item, (success) => TryUseItem(item, success));
-}
-else
- TryUseItem(item);
-```
-
-`CreateMoveToChain` (`Player_Move.cs:37-65`) checks `CurrentLandblock.WithinUseRadius`
-first; if already in range it just rotates the player toward the target and
-fires the callback. **If NOT in range, it physically walks the player there**
-via the server's own `MoveToManager`/physics — this is a real, gradual,
-pathed walk broadcast to every observer (including the mover's own client)
-as ordinary motion, not a teleport.
-
-`Vendor.ActOnUse`'s own doc comment makes the contract explicit
-(`references/ACE/Source/ACE.Server/WorldObjects/Vendor.cs:223-228`):
-
-> "This is raised by `Player.HandleActionUseItem`. **If the item was outside
-> of range, the player will have been commanded to move using DoMoveTo
-> before `ActOnUse` is called. When this is called, it should be assumed
-> that the player is within range.**"
-
-**Conclusion: ACE unconditionally walks the player to a distant vendor
-before opening it — there is no server-side range REJECTION for a normal
-Use, only a walk-then-open.**
-
-### (c) Retail's client has no LOCAL prediction of this walk; acdream has one, but not wired to Use
-
-Tracing how the server's move-to becomes visible: the `MoveToObject` motion
-command a `CreateMoveToChain` walk produces is unpacked on the RECEIVE side
-by `MovementManager::HandleNetMotion`-family code (`pc:300628-300647`, case
-`6` of the `UIQueueManager` motion-command switch) via
-`MovementParameters::UnPackNet(¶ms, MoveToObject, ...)` →
-`CPhysicsObj::MoveToObject(...)` — this is the SAME wire-driven receive path
-used for ANY entity's broadcast motion (NPCs, other players). Retail's
-client does not pre-emptively simulate the walk from the `ItemHolder::UseObject`
-call site itself (confirmed above — no local movement issued there); it only
-starts visibly walking once the server's motion broadcast arrives, exactly
-like watching any other entity walk.
-
-acdream's `PlayerInteractionMovementSink.BeginApproach`
-(`src/AcDream.App/Interaction/PlayerInteractionMovementSink.cs:24-70`) is a
-**client-predicted** move-to-target primitive — its own doc comment says so
-verbatim: *"Installs retail's client-side TurnToObject/MoveToObject
-prediction through the same MovementManager used by authoritative movement
-packets."* It builds a `MovementStruct` with
-`Type = approach.IsCloseRange ? MovementType.TurnToObject : MovementType.MoveToObject`
-and installs it on `PlayerMovementController.MoveTo` directly — this is a
-REAL, already-working local walk animation.
-
-**But this mechanism is wired ONLY to pickup.**
-`SelectionInteractionController.RequestPickup` (lines ~300-372) calls
-`_query.TryGetApproach(itemGuid, out approach)` then
-`_movement.BeginApproach(approach, ...)` before dispatching the pickup wire
-message. `RequestUse` (lines 217-235, quoted in (a) above) has no equivalent
-call — Use is sent with zero client-side approach handling, relying entirely
-on ACE's server-driven walk-and-broadcast to eventually move the player and
-open the vendor.
-
-### What this means for "opens only at very close range"
-
-Two distinct, evidenced possibilities, presented in order of how directly
-they're supported by what was read in this pass:
-
-1. **Missing local prediction is a cosmetic gap, not a functional one.**
- Since ACE's `CreateMoveToChain` is unconditional and server-authoritative,
- a distant vendor Use SHOULD still eventually open once the server's walk
- completes and broadcasts back — acdream's local player движение pipeline
- would need to correctly apply that INCOMING broadcast motion to itself.
- `RuntimeLiveEntitySessionController.OnMotionUpdated`
- (`src/AcDream.Runtime/Session/RuntimeLiveEntitySessionController.cs:211-222`)
- DOES explicitly special-case the local player's own guid
- (`bool isLocal = update.Guid == _runtime.PlayerIdentity.ServerGuid;`), so
- this is not a silent guid-filter drop — but this pass did not trace all
- the way to the visual/physics rendering of that update to confirm the
- walk is actually SEEN by the user. If it is not rendered (or is rendered
- but janky/instant), the user's experience would be "nothing visibly
- happens unless I'm already close" even though the server is doing the
- right thing.
-2. **Porting the same client-predicted approach acdream already has for
- pickup onto Use** (calling `_movement.BeginApproach` before
- `RequestUse`'s dispatch, mirroring `RequestPickup`) would give Use the
- SAME responsive, immediately-visible walk pickup already has, matching
- the retail FEEL even though — per (c) above — it is technically MORE
- client-prediction than retail's own client does for Use specifically.
- This would need to be flagged as a deliberate acdream enhancement over
- the byte-literal retail mechanism (per the project's "flag the tradeoff"
- rule for redesigns), not silently added — but it directly and
- unambiguously fixes the reported symptom regardless of which hypothesis
- in (1) is true, since it makes the walk client-visible immediately
- instead of only after a server round-trip.
-
-**Recommendation:** since this is a UX/movement-authority area with a
-documented project history of reverted prediction campaigns (CLAUDE.md's
-Modern Runtime section), do NOT silently redesign. The narrower, safer first
-step is verifying hypothesis (1) live (does the character visibly walk at
-all when Use is sent from range, however slowly) before deciding whether (2)
-is warranted as a deliberate enhancement.
-
----
-
-## Q3 — "Add to list" (buy staging) semantics
-
-**Short answer: retail's Buy button is a real, self-contained, immediate
-purchase (`BuySingleItem`, already ported in Slice 6) that does not need
-staging to exist. Staging is a SEPARATE, purely-client-local mechanism (the
-"Buying" tab, `VendorBuyUI`) that batches multiple picks into one `0x005F`
-call. Every button on both the "Items" and "Buying" tabs is now fully traced
-below with exact retail addresses.**
-
-All four staging-affecting buttons are cases inside
-`gmVendorUI::HandleButtonClicks` (`pc:203950-204184`, `0x004c50d0`), the
-single dispatcher for every vendor-panel button click (id → case is a direct
-switch on the authored element id from the D0 layout tree in the Slice 5
-research doc §B.4).
-
-### Add to List — `0x100000C3` ("Items" tab)
-
-```
-case 0x100000c3:
-{
- ACCWeenieObject* item = ClientObjMaintSystem::GetWeenieObject(selectedID);
- if (item != 0)
- {
- if (item->pwd._stackSize <= 1)
- VendorItemsUI::AddToBuyList(m_itemsUI, item, 1);
- else
- VendorItemsUI::AddToBuyList(m_itemsUI, item, GetObjectSplitSize(item));
- }
- break;
-}
-```
-
-(`pc:203970-203988`.) Reads the GLOBALLY-selected item, computes quantity
-from the item's own stack size (1 for non-stackable) or the CURRENT toolbar
-slider value (`ItemHolder::GetObjectSplitSize`, `pc:401465-401477`,
-`0x00586F00`) for a stackable one, and calls
-`VendorItemsUI::AddToBuyList(m_itemsUI, item, quantity)`. **This sends
-NOTHING to the server** — it appends one entry (item + quantity) into
-`gmVendorUI::m_buyList`, a `PackableList` that backs the
-"Buying" tab's `m_buyShopList` widget (`0x100000C5` in the D0 tree).
-
-### Staged-entry rendering
-
-`gmVendorUI::RecordContents(this, srcList, dstProfileList, arg4, arg5)`
-(`pc:200541-200718+`) is the sync function that walks a UI item-list widget's
-CURRENT contents and rebuilds a `PackableList` from it (used
-both to sync `m_buyShopList`'s displayed rows back into `m_buyList` before a
-transaction, and symmetrically for `m_sellShopList`/`m_sellList`). Per-row
-count/price display for the "Buying" tab mirrors the "Items" tab's own
-name+price computation (Slice 6 research doc §B.1, `VendorPricing.SellPrice`
-already ported in acdream) — no new pricing formula is needed for staging,
-only a second row-rendering pass over `m_buyList`'s entries instead of
-`shopItemProfileList`.
-
-### "Buy Item" — `0x100000C9` ("Buying" tab)
-
-```
-case 0x100000c9:
-{
- // stackable = maxStackSize > 1 for the selected item
- if (gmVendorUI::BuySingleItem(this, selectedID) != 0)
- {
- int amount = stackable ? -1 : 1;
- gmVendorUI::RemoveProfileFromList(this, &m_buyList, selectedID, amount);
- VendorBuyUI::Update(m_buyUI);
- }
- break;
-}
-```
-
-(`pc:203989-204010`.) Buys the currently-selected item using the SAME
-`BuySingleItem` path the "Items" tab's Buy button uses (already fully ported
-in Slice 6 — B.1 of the transactions research doc) — it reads the GLOBAL
-slider quantity, not the staged entry's own quantity. **On success only**,
-removes the entry from `m_buyList` via `RemoveProfileFromList` and repaints.
-
-### `RemoveProfileFromList` semantics (shared by both tabs' single-item removal)
-
-`gmVendorUI::RemoveProfileFromList(this, list, itemGuid, amount)`
-(`pc:200497-200537`, `0x004c1260`): finds the matching entry by guid; if
-`amount == -1` (0xFFFFFFFF) OR `amount >= the entry's staged quantity`,
-**removes the whole entry**; otherwise decrements the entry's staged
-quantity by `amount` and keeps the (now-smaller) entry. Every call site in
-`HandleButtonClicks` passes either `1` (non-stackable — a lone quantity-1
-entry is always fully consumed by decrementing 1) or `-1` (stackable — the
-whole staged batch is always bought/removed in one action; there is no
-"buy 3 of the staged 10" partial-consume UI). **Net effect: both branches
-always remove the entire staged entry in practice** — the 1-vs- -1 split in
-the caller is really about correctness for edge cases (a staged quantity of
-exactly 1 unit on an item whose `maxStackSize` happens to be >1), not a
-user-visible partial-buy feature.
-
-### "Buy All" — `0x100000CA` ("Buying" tab)
-
-```
-case 0x100000ca:
-{
- // pyreal vendor: check m_buyUI->m_transactionValue <= m_totalValue
- // alt-currency vendor: check m_transactionValue <= (trade_num - m_last_sale)
- // — either failing shows a transient error string and returns.
-
- RecordContents(this, m_buyUI->m_buyShopList, &m_buyList, 1, 1); // sync UI → list
- InqListSlotCount(this, &m_buyList, &itemSlotsNeeded, &containerSlotsNeeded);
- // capacity check against the player's free item/container slots
- // — failing shows a transient error string and returns.
-
- SendShopEvent(this, shopVendorID, &m_buyList, currencyId, SE_BUY); // → Event_Buy (0x005F)
- PackableList::Flush(&m_buyList); // clear staging
- VendorBuyUI::Update(m_buyUI);
-}
-```
-
-(`pc:204011-204079`.) This is the ONE path that actually sends a
-**multi-item** `Event_Buy` — the whole staged list in a single wire call,
-matching the already-decoded `0x005F` payload's `itemCount` + per-item
-`(amount, guid)` array (Slice 6 research doc §A.1). On success the ENTIRE
-staging list is flushed unconditionally.
-
-### "Clear Item" / "Clear List" — `0x100000CB` / `0x100000CC`
-
-Clear Item (`pc:204080-204094`) is the exact same
-`RemoveProfileFromList(this, &m_buyList, selectedID, amount)` call as "Buy
-Item" but WITHOUT calling `BuySingleItem` first — pure removal, no
-transaction. Clear List (`pc:204095-204100`) is an unconditional
-`PackableList::Flush(&m_buyList)` — clears everything staged,
-no transaction, no per-item check.
-
-### What else clears staging — the close-button interaction (new finding)
-
-**`0x100000D6` (the panel's X/close button) is NOT an unconditional hide
-when staging is non-empty.** Full case (`pc:204147-204181`):
-
-```
-case 0x100000d6:
-{
- if (m_buyList.head == 0 && m_sellList.head == 0)
- {
- SetVisible(0); // plain hide — nothing staged
- return;
- }
- if (m_curDialogContext == 0)
- // show a confirm dialog: "You have not completed all transactions..."
- // (DialogFactory::MakeCallbackDialogInCurrentUI, callback =
- // gmVendorUI::CloseVendorDialogCallback)
- break;
-}
-```
-
-Retail's vendor X button **refuses to close and shows a confirmation dialog
-if either staging list is non-empty.** acdream's current
-`CloseButtonPressed` (`src/AcDream.App/UI/Layout/VendorUiController.cs:1180`,
-`=> _window.Hide();`) is a plain unconditional hide — **this is correct
-TODAY only because staging is always empty** (no Buying/Selling staging
-exists yet in acdream), matching the `pc:204147-204152` branch exactly.
-**Once Buying-tab staging (this section) or Selling-tab staging (Q4) lands,
-`CloseButtonPressed` needs the same non-empty-staging gate**, or a purchase
-a user staged but never confirmed will silently vanish on window close with
-no retail-authentic warning. `src/AcDream.App/UI/Layout/RetailDialogFactory.cs`
-already exists as confirm-dialog infrastructure to reuse for this.
-
----
-
-## Q4 — selling: the full retail flow
-
-**Short answer: the drop target for selling is specifically the "Selling"
-tab's staged list widget (`m_sellShopList`, id `0x100000CE`) — NOT the
-vendor NPC in the 3D world, and NOT the default-open "Items" tab. Dropping
-onto anything else is correctly rejected (the user's "red no-drop marker" is
-retail-accurate for every current acdream drop target, since acdream's
-vendor panel has ZERO drag-handler wiring today). `InqAcceptability` gates
-BOTH the drop AND its hover-preview coloring, with four distinct
-retail-authored rejection messages.**
-
-### The drop-target gate (previously undocumented)
-
-`gmVendorUI::HandleDropRelease` (`pc:204229-204246`, `0x004c5680`) is the
-WHOLE PANEL's drop-release handler — every drag release anywhere inside the
-vendor window routes through this one function first:
-
-```cpp
-void gmVendorUI::HandleDropRelease(this, msgInfo)
-{
- if (source != 0 && target != 0
- && UIElement::IsAncestorOfMe(target, m_sellUI->m_sellShopList) != 0)
- {
- InqDropIconInfo(source, &info, &flags);
- if (info != 0 && (flags & 0xe) == 0)
- VendorSellUI::AcceptDragObject(m_sellUI, info);
- }
-}
-```
-
-**The gate is `IsAncestorOfMe(target, m_sellShopList)`** — the drop target
-element must BE (or be a descendant of) the "Selling" tab's staged-item list
-specifically. Dropping on the "Items" tab (the tab that's actually visible
-by default when you approach a vendor), the vendor's name/portrait, or
-anywhere else in the window is a structural no-op at this gate — it never
-even reaches `AcceptDragObject`. **This is the exact mechanism behind the
-user's observation**: dragging toward "the vendor" in the sense of the
-window/NPC generally has never been retail's mechanism; you must first
-switch to the "Selling" tab, then drop specifically onto its list.
-
-### `VendorProfile::InqAcceptability` — what the vendor accepts
-
-`VendorProfile::InqAcceptability(profile, pwd)` (`pc:484768-484797`,
-`0x005d1a90`):
-
-```cpp
-uint32_t InqAcceptability(profile, pwd)
-{
- if ((pwd->_type & profile->item_types) == 0 || (pwd's "non-sellable" bit set))
- return profile->item_types; // wrong item type (or explicitly non-sellable)
-
- value = pwd->_stackSize > 0 ? pwd->_value / pwd->_stackSize : pwd->_value; // per-unit value
- if (value == 0) return 2; // "has no value"
- if (profile->max_value != -1 && value > profile->max_value) return 4-ish; // "too valuable"
- if (profile->min_value != -1 && value < profile->min_value) return 3; // "too cheap"
- return 0; // acceptable
-}
-```
-
-(Bit-test on the "too valuable" branch is a BinaryNinja-decompiler artifact
-— `(!((_type >> 0x10)) & 4)` reduces to either 0 or 4 depending on a type
-flag bit; treat the RETURN CODE, not the exact expression, as the citation.)
-`VendorProfile::IsAcceptable` (`pc:484817-484822`, `0x005d1b50`) is the
-boolean wrapper: `true` iff `InqAcceptability(...) == 0`.
-
-`VendorSellUI::DragItemAcceptable(this, itemGuid, silent)`
-(`pc:201195-201307`, `0x004c20c0`) is what actually calls
-`InqAcceptability` for a drag candidate, layered with two PRIOR checks:
-
-1. **Must be owned by the player** (`ACCWeenieObject::IsOwnedByPlayer`) —
- else (when not silent) shows *"You can only sell items you are..."* and
- rejects.
-2. **A non-empty container is always accepted**
- (`GetNumContainedItems(item) > 0` → return 1) — a bag with stuff in it
- bypasses the type/value filter entirely (sell the whole bag, contents and
- all).
-3. Otherwise defers to `InqAcceptability`, mapping its result to one of four
- retail-authored strings when NOT silent:
- `1` → *"That item cannot be sold here"*, `2` → *"That item has no value
- and cannot..."*, `3` → *"That item is too cheap to sell here"*, `4` →
- *"That item is too valuable to sell here"*; any other nonzero value (the
- common case for a genuine type mismatch, since `InqAcceptability` returns
- the raw `item_types` bitmask, not a small integer) falls through to the
- generic *"You cannot sell that here."*
-
-**The `silent` argument is the hover-vs-release distinction**:
-`VendorSellUI::OnItemListDragOver` (`pc:201320-201339`) calls
-`DragItemAcceptable(this, guid, /*silent*/ 1)` on every drag-hover frame,
-using ONLY the boolean result to set the drag-accept cursor state
-(`SetDragAcceptState(0x10000040)` green / `0x10000041` red — no message
-spam while merely hovering). `VendorSellUI::AcceptDragObject`
-(`pc:203866-203905`, `0x004c4f00`) calls `DragItemAcceptable(this, guid,
-/*silent*/ 0)` on the actual drop, which DOES show the rejection string.
-
-### `AddItemToSell` — what a successful drop does
-
-`VendorSellUI::AddItemToSell(this, itemGuid)` (`pc:203546-203567`,
-`0x004c4a20`):
-
-```cpp
-void AddItemToSell(this, itemGuid)
-{
- m_parent->m_last_sale = 0;
- UIElement_Panel::OpenTab(m_vendorPanel, 0x100000bb); // ← auto-switches to "Selling" tab
- ACCWeenieObject::SetSelectedObject(itemGuid, 0); // ← globally selects the dropped item
- gmVendorUI::AddItem(m_parent, m_sellShopList, itemGuid, -1, 1, 1, 0, 1, -1);
- gmVendorUI::RecordContents(m_parent, m_sellShopList, &m_parent->m_sellList, 0, 1);
- gmVendorUI::AdoptAsContents(m_parent, m_sellShopList, &m_parent->m_sellList, 1);
- VendorSellUI::UpdateSellUI(this);
- VendorSellUI::UpdateTransactionValue(this);
- VendorSellUI::UpdateTotalValue(this);
-}
-```
-
-A successful drop **auto-navigates the panel to the "Selling" tab** (so the
-staged item becomes visible immediately even though the drop itself
-happened while "Items" was open — this reconciles with the drop TARGET
-being `m_sellShopList`, which is only mounted as the "Selling" tab's page;
-the widget can receive a drop event even while its page isn't the visually
-active one), selects the item globally (same primitive
-`SelectionState.Select` already threads through the rest of the vendor UI
-per the Slice 6 research doc §B.4/§C.1), inserts a row, syncs to
-`m_sellList`, and refreshes the price/total displays.
-
-### Sell — the `0x0060` payload and reconciliation
-
-Already fully decoded in the Slice 6 research doc §A.3: `GameActionType.Sell
-= 0x0060`, handler `GameActionSellItems.Handle` → `Player.HandleActionSellItem`
-(`Player_Commerce.cs:126-226`) — a structural mirror of buy (per-item
-validation via `VerifySellItems`, payout via
-`Vendor.CalculatePayoutCoinAmount`/`GetBuyCost`, pack-space check, item
-removal + `GameEventItemServerSaysContainId`, `vendor.ProcessItemsForPurchase`,
-coin-stack creation, `GameMessageSound`, unconditional `SendUseDoneEvent()`
-at the end — same `UseDone` completion signal Q1/A.4 of the prior research
-doc already established for Buy). Retail's `"Sell All"` button
-(`0x100000D3`, `pc:204113-204129`) is the wire-sending path — it calls
-`RecordContents` to sync the UI list into `m_sellList`, then directly
-`CM_Vendor::Event_Sell(shopVendorID, &m_sellList)` (2-arg, no trailing
-currency field, matching the prior doc's Sell-vs-Buy asymmetry finding) —
-**there is no per-item "Sell Item" wire path distinct from "Sell All"** in
-the sense Buy has one: `0x100000D2` ("Sell Item") calls `SellSingleItem`
-(an immediate, non-staged sell of the globally-selected item, symmetric to
-`BuySingleItem`) and then removes that one entry from staging — it does not
-send the STAGED entry's own wire request; it's the same
-immediate-single-item pattern Buy's `0x100000C2` uses. `0x100000D4`/`D5`
-("Clear Item"/"Clear List") mirror the buy-side clear buttons exactly,
-additionally calling `gmVendorUI::FlushSellListSellState` (clears each
-cleared item's "pending sell" visual highlight in the player's OWN inventory
-panel, `VendorItemSetSellState`).
-
-### acdream's existing drag/drop pattern to reuse
-
-`VendorUiController` implements `IRetainedPanelController` but **does not
-implement `IItemListDragHandler` at all** — grepping the whole file confirms
-zero drag/drop wiring exists today. This is exactly why any drag toward the
-vendor window shows the red no-drop marker: no controller opted a target
-list into accepting anything.
-
-The reusable pattern already lives in `ExternalContainerController`
-(`src/AcDream.App/UI/Layout/ExternalContainerController.cs:205-263`), which
-implements `IItemListDragHandler`'s three methods:
-
-```csharp
-public ItemDragAcceptance OnDragOver(UiItemList targetList, UiItemSlot targetCell, ItemDragPayload payload)
-{
- if (!ReferenceEquals(targetList, _contentsList) || ...)
- return ItemDragAcceptance.Reject;
- return ItemDragAcceptance.Accept;
-}
-```
-
-`UiItemList.RegisterDragHandler(IItemListDragHandler)`
-(`src/AcDream.App/UI/UiItemList.cs:137-141`) is how a specific list widget
-opts into a handler. **This is the direct structural analogue of retail's
-`IsAncestorOfMe(target, m_sellShopList)` gate** — a future `VendorSellUI`-
-equivalent staging controller would register itself as the drag handler on
-the "Selling" tab's `UiItemList` (`0x100000CE`) specifically, reject drops
-on every other target the way `ExternalContainerController.OnDragOver`
-already rejects drops on anything but `_contentsList`, and call
-`_selection.Select(...)` + a local staging-list append (mirroring
-`AddItemToSell`) on acceptance — no new drag-and-drop infrastructure is
-needed, only a new participant in the existing one.
-
----
-
-## Q5 — the stacked-item status bar
-
-**Short answer: retail's toolbar strip NEVER shows a price/value suffix in
-the object name — only "{count} {name}" — so a "(250,000)" total-value
-figure belongs to the VENDOR ROW's own price text (already implemented),
-not the toolbar. Retail's slider seeding Trade Notes to "1" (not 250) is
-CORRECT retail behavior (PromissoryNote is inside the vendor split-exempt
-mask). Reading the current source, the whole mechanism — name formatting,
-slider visibility, vendor-exempt seeding, and the materializer feeding
-correct data into it — already appears fully implemented and correctly
-wired. No code-level gap was found in this pass; see the closing note.**
-
-### Retail's exact toolbar presentation, decoded field-by-field
-
-`gmToolbarUI::HandleSelectionChanged` (`pc:198635-198834`, `0x004bf380`) is
-read here in full for the first time (the prior Slice 6 doc's §B.3 only
-covered the slider-visibility half). The function has three distinct name-
-text branches, gated first on whether the selection is the player's OWN
-pyreal coin stack:
-
-1. **Player-owned coinstack** (`pc:198712-198738`): a separate formatted
- string reads a `CBaseQualities::InqInt(..., 0x14, ...)` value (a player-
- module integer property) — this branch is specific to the player's own
- held pyreals and does not apply to vendor merchandise of any kind
- (Trade Notes are `PromissoryNote` type, never `IsCoinstack`).
-2. **Everything else, stack size ≤ 1** (`pc:198691-198700`): plain
- `GetObjectName(item, NAME_APPROPRIATE, 0)` — just the name, no count, no
- price.
-3. **Everything else, stack size > 1** (`pc:198701-198710`): a formatted
- string composing `"{stackSize} {name}"` — **and nothing else**. There is
- no third parameter, no value, no price anywhere in this branch's format
- call.
-
-**Retail's toolbar name text for a 250-stack of Trade Notes is literally
-"250 Trade Notes" — no parenthetical anything.** If a "(250,000)" figure is
-expected to appear near the selection, it is not part of this element; it
-is the VENDOR ROW's own price text, a completely separate widget
-(`m_itemCostText`, `0x100000C1`, per the Slice 5 doc's D0 tree) that already
-exists.
-
-### The slider-seed mask, and why "1" for Trade Notes is correct
-
-Continuing the same function (`pc:198767-198821`), for a stack > 1 the
-vendor-owned branch (already partially cited in the prior doc) is:
-
-```cpp
-if (vendorID != 0 && item->pwd._containerID == vendorID
- && (item->InqType() & 0xdc41cb0) != 0)
- seed = 1;
-else
- seed = item->pwd._stackSize;
-GenItemHolder::splitSize = seed;
-GenItemHolder::maxSplitSize = item->pwd._stackSize;
-```
-
-`PromissoryNote = 0x40000` (from the Slice 5 doc's category table) **is
-inside** the mask `0xDC41CB0` (`0x40000 & 0xDC41CB0 == 0x40000`, verified
-by direct computation). **A 250-stack of vendor-owned Trade Notes therefore
-seeds the slider to 1 in genuine, byte-verified retail — not 250.** This is
-the intentional "you're buying from open-ended stock; choose a quantity"
-UX, not a bug. If the user's screenshot showed the slider at "1", that
-matches retail exactly.
-
-### acdream's current implementation, traced end to end
-
-1. **Name formatting** — `SelectedObjectController.ApplySelection`
- (`src/AcDream.App/UI/Layout/SelectedObjectController.cs:340-347`):
- ```csharp
- uint stackSize = _stackSize(g);
- string? objectName = _resolveName(g);
- _currentName = stackSize > 1u && !string.IsNullOrEmpty(objectName)
- ? $"{stackSize} {objectName}"
- : objectName;
- ```
- Matches retail branch 3 exactly — no value suffix, matching retail's own
- absence of one.
-
-2. **Slider visibility + vendor-exempt seeding**
- (`SelectedObjectController.cs:368-374`):
- ```csharp
- if (stackSize > 1u)
- {
- uint seed = _isVendorSplitExempt(g) ? 1u : stackSize;
- _splitQuantity.Reset(stackSize, initialValue: seed);
- if (_stackSizeEntry is not null) _stackSizeEntry.Visible = true;
- if (_stackSizeSlider is not null) _stackSizeSlider.Visible = true;
- }
- ```
- Matches retail's seed/visibility logic exactly, including the
- maxSplitSize-vs-seed distinction the prior doc already flagged.
-
-3. **The vendor-exempt predicate** is `VendorSplitPolicy.IsSplitExempt`
- (`src/AcDream.Core/Items/VendorSplitPolicy.cs`) — `SplitExemptMask =
- 0x0DC41CB0u` (the exact retail literal), used as the SINGLE source of
- truth by both `SelectedObjectController` (via
- `IsVendorSplitExempt` in `InteractionRetainedUiComposition.cs:682-686`)
- and `VendorUiController.ResolveBuyQuantity` (the row-level display).
- This already resolved the Slice 6 research doc's open question #3
- ("where should the mask live") in favor of a single shared class — there
- is no second copy to reconcile.
-
-4. **The data source** — `VendorShopItemMaterializer.ToWeenieData`
- (`src/AcDream.Runtime/Gameplay/VendorShopItemMaterializer.cs:237-260`)
- writes `StackSize: item.DescStackSize` into `ClientObjectTable` — the
- PublicWeenieDesc's own per-unit stack size (the wire equivalent of an
- ordinary CreateObject's StackSize), NOT `VendorShopItem.StackSize`
- (ItemProfile's separate packed SUPPLY-count field, which can be `-1` for
- unlimited stock). The doc comment explicitly calls out this exact
- distinction. `_stackSize` at the composition root
- (`InteractionRetainedUiComposition.cs:663-664`,
- `guid => (uint)(d.Inventory.Objects.Get(guid)?.StackSize ?? 0)`) reads
- this same field.
-
-**Every link — materializer field mapping, name formatting, slider
-visibility, vendor-exempt seed source, shared mask policy — traces
-correctly and consistently to retail's decomp on paper.** This document
-found no missing piece.
-
-### Closing note for the contract
-
-Given (a) the retail decomp shows NO value suffix belongs in this element at
-all, and (b) every piece of acdream's current implementation already matches
-retail's mechanism when read from source, the most likely explanations for
-the reported gap are, in order of likelihood:
-
-1. **The screenshot's "(250,000)" is the vendor ROW's own price text**
- (`_itemCostText`), which the user (reasonably, given both are near each
- other on screen when a vendor row is selected) is reading together with
- the toolbar strip as "the status bar." If so, there is no code gap here
- at all — both pieces already work as retail does, just as two separate
- elements, exactly like retail.
-2. **A genuinely runtime-only defect** (draw-order, a stale/never-refreshed
- `UiText`, or a session predating `97cf8738`/`3c9fc57a`/`5224e438`) that
- static reading cannot surface. Since this document is read-only research,
- **the concrete next step is a live re-test against current HEAD before
- writing any code** — re-implementing an already-correct mechanism because
- an old screenshot predates the fix would be wasted, retail-divergent
- effort.
-
----
-
-## Scope recommendation
-
-Ordered by dependency; each step either has zero prerequisites among the
-others or is explicitly marked with what it needs first.
-
-1. **Q5 (status bar) — verify live, do not implement yet.** Every piece
- traced correctly from source; the fastest path is a live re-test against
- current HEAD. If it turns out to already work, this item is a no-op. If a
- genuine runtime bug remains, it is narrow (one of: draw refresh, a stale
- session, or a single wiring line) and should be diagnosed with a live
- trace rather than guessed at from more static reading.
-
-2. **Q1 (insert position) — verify live before touching code.** Same
- reasoning: the entire chain already matches retail's server-sourced
- position-0 insert. The one unruled-out theory (stack-merge bypassing
- `ContainId` entirely) is falsifiable with one live buy of a fresh item
- plus a breakpoint/log on `ApplyConfirmedServerMove`. Do this before any
- edit — the risk of "fixing" already-correct code by guessing is real
- here (a mechanism this well-cited being wrong would be surprising).
-
-3. **Q2 (use-range feel) — a genuine, scoped implementation candidate,
- independent of the others.** Two sub-steps: (a) confirm live whether the
- server-driven walk is visible at all today (cheap, no code); (b) if not,
- port `PlayerInteractionMovementSink.BeginApproach` onto `RequestUse` the
- same way `RequestPickup` already uses it — a bounded, single-file change
- with a clear precedent to copy. Flag it explicitly as an acdream
- enhancement over retail's own client (which has no local Use prediction)
- if pursued, per the project's "flag tradeoffs on redesigns" rule.
-
-4. **Q3 (buy staging) — self-contained, no dependency on Q4.** The full
- mechanism (`AddToBuyList`, `RemoveProfileFromList`'s two removal shapes,
- `Buy All`'s batched `0x005F` send, `Clear Item`/`Clear List`) is fully
- traced above with exact addresses and needs no new infrastructure beyond
- a `VendorBuyUI`-equivalent staging list controller and wiring the
- "Buying" tab's five buttons (already-mounted-but-inert per the Slice 5
- doc). **Carries one small dependency OUT**: once this lands, the X-close
- button (`CloseButtonPressed`) needs the non-empty-staging confirm-dialog
- gate described in Q3's closing subsection — a one-line follow-up to
- `VendorUiController.cs`, not a blocker to starting.
-
-5. **Q4 (sell staging + drag) — shares the staging-list rendering shape
- with Q3 but needs its own drag/drop wiring.** The concrete new pieces are
- (a) a `VendorSellUI`-equivalent staging controller implementing
- `IItemListDragHandler` and registering on the "Selling" tab's list
- specifically (mirroring `ExternalContainerController`'s existing
- pattern), (b) `InqAcceptability`'s four-way rejection-message mapping
- (type/no-value/too-cheap/too-valuable, already fully decoded above), (c)
- the same X-close confirm-dialog dependency as Q3. Building Q3 first is
- not strictly required, but doing so first lets Q4 reuse whatever shared
- staging-list rendering scaffolding (row count/price display, `Clear
- Item`/`Clear List` button plumbing) Q3 establishes rather than each
- inventing its own.
-
-**Suggested order: Q5 verify → Q1 verify → Q2 implement → Q3 implement → Q4
-implement (reusing Q3's scaffolding) → the shared X-close confirm-dialog
-follow-up once at least one of Q3/Q4 has landed.**
-
-## Open questions for the contract
-
-1. **Q2**: is the missing piece "acdream doesn't render the server's forced
- walk" or "acdream never predicts it locally"? Only a live trace resolves
- which hypothesis is true — the fix differs (a rendering bug vs. a
- deliberate new client-prediction feature).
-2. **Q3/Q4 shared**: should the "Buying" and "Selling" tabs' staging-list
- controllers be two independent classes, or one generic
- `VendorStagingListController` parameterized by tab/list ids and a
- drag-acceptance predicate? Retail itself has two nearly-parallel classes
- (`VendorBuyUI`/`VendorSellUI`) with a shared base
- (`VendorSubUI::HandleSetSelectedItem`, cited in the Slice 6 research
- doc §B.4) — a shared acdream base class matching that shape is a
- defensible starting point, not dictated by this research.
-3. **Q4**: `InqAcceptability`'s literal return-value `1` ("cannot be sold
- here") appears effectively unreachable in practice, since a genuine
- type mismatch returns the raw `item_types` bitmask (almost never
- literally `1`), falling instead through `DragItemAcceptable`'s `> 3`
- generic-message branch. Port the exact retail control flow anyway (it
- costs nothing and stays byte-faithful) rather than "simplifying" the
- switch — per CLAUDE.md's "do not fix the decompiled code" rule.
diff --git a/docs/research/2026-08-09-campaign-ch-test-script.md b/docs/research/2026-08-09-campaign-ch-test-script.md
deleted file mode 100644
index 4a4f9151..00000000
--- a/docs/research/2026-08-09-campaign-ch-test-script.md
+++ /dev/null
@@ -1,112 +0,0 @@
-# Campaign CH — in-client user test script
-
-One connected session against local ACE, retail GUI (`ACDREAM_RETAIL_UI=1`).
-For the color checks, running the retail client side-by-side is ideal but
-optional — the hex values are byte-verified; what needs eyes is "does it
-FEEL right".
-
-## 1. On-screen interface text (CH2 — the SpewBox)
-
-- Jump, and press jump again while airborne → **"You can't jump while in
- the air"** appears as transient text flush to the very TOP of the
- viewport (round 3, 2026-08-10 — moved off the earlier 60px-down
- placeholder), NOT in the chat window. Chat gets no line at all.
-- Spam it 5+ times fast: the line refreshes in place (no stacking of
- identical text); distinct refusals stack newest-on-top, max 4 lines.
-- Try `@version` → its output goes to CHAT (green), not the SpewBox.
-- The SpewBox text should now read visibly SMALLER than round 2 (retail
- dat Font `0x40000025`, 11px, replacing the earlier 15px debug font).
-- **Report presentation impressions**: position and font are now
- best-available approximations, not resolved retail values (register
- AP-178); line lifetime is still a placeholder (AP-177) — say what looks
- wrong vs your retail memory.
-
-## 2. Chat colors (CH1)
-
-Side-by-side vs retail if possible:
-
-- Say something → white. Emote (`:waves` works now) → grey.
-- Tell someone → your "You tell ..." line is DARK yellow (210,210,100);
- an incoming tell is BRIGHT yellow.
-- Magic self-cast lines → light blue. Combat: damage you take → salmon,
- damage you deal → dark red.
-- `@version` / `@loc` output → green (retail types command output 0x00).
-- Fellowship chat (if you form one) → bright yellow.
-
-## 3. Side channels (CH3)
-
-- `/general hi` → round-trips (ACE echoes it back; blue-grey color).
- Same for `/trade`, `/lfg`.
-- Roleplay: with "Hear Roleplay Chat" OFF (the ACE default), sending to
- Roleplay → **"You are not listening to the Roleplay channel!"** and
- nothing is sent. Enable it in Settings → Chat → ACE reports entering
- the channel; sending now works. (`@join roleplay` / `@leave roleplay`
- also flip it, effective immediately.)
-- Legacy family single-print: `/f hi` (in a fellowship) shows ONE line,
- not two. Same for /v /p /m /cv if you have the allegiance structure.
-- `/a hi` without an allegiance → refusal, not a silent drop.
-
-## 4. Commands (CH4)
-
-- `:waves` and `;waves` → emote. `@f, hi` (trailing comma) works.
-- `@t Two Word Name, hello` → comma splits the name (needs an alt with a
- multi-word name to fully verify).
-- `@g hi` → goes to FELLOWSHIP (not the global General room!). Without a
- fellowship expect a server-side error — the important thing is it does
- NOT broadcast globally.
-- `@allegiance boot Bob` → "Please see @help Allegiance for more
- information..." locally; nothing broadcast, nothing sent.
-- `@house abandon` → TWO confirmation dialogs. **Decline** (unless you
- really want to abandon a house). Declining either stage sends nothing.
-- `@mr` → help text only. `@clist general` → channel list from ACE.
-- An unknown verb like `@somenonsense` → passes through to ACE (server
- answers, client does not swallow it).
-
-## 5. Help text (round 3, 2026-08-10)
-
-- `/help` (no args) → TWO lines in the chat window: a "Note: You may
- substitute a forward slash..." line, then "Available help:" followed by
- 13 real retail topic one-liners (allegiances/channels/chatting/death/
- emote/fillcomps/friends/house/squelch/status/text/commands). This
- replaced an acdream-invented cheat sheet ("Chat: /say...", "Client:
- /help...") — that text should no longer appear at all.
-- `/help death` → the SAME "Note:" line first, then a SECOND line starting
- "For more information, type @help ." immediately followed by
- the 8-line corpse/death command listing — not just the 8 lines alone.
-- `/help somenonsenseverb` → **goal-window fix (2026-08-10, #367 closed):**
- "Unknown command" now flashes on the SpewBox (top of viewport), NOT the
- chat window — the SAME surface as section 1's "jump in the air" refusal.
- Chat gets no line at all.
-
-## 6. Goal-window fix — SpewBox refusal typing (2026-08-10, #363/#367)
-
-- `/g` (or `/f`/`/a`/`/m`/`/p`/`/v`/`/c` etc.) with NO message → **"You
- must specify the text you wish to say!"** flashes on the SpewBox.
- Previously this silently did nothing.
-- `/r hi there` (or `/reply`) with no prior incoming Tell → **"Someone
- must @tell you first!"** flashes on the SpewBox. Previously silent.
-- A bad-args catalog command, e.g. `/ls now` or `/marketplace foo` → **"That
- is not a valid command."** flashes on the SpewBox. Previously showed a
- green "Usage: /lifestone" line in CHAT — both the color/surface AND the
- wording changed.
-- `/hslist badtype` → **"Please see @help hslist for more information on
- how to use this command"** flashes on the SpewBox. Previously showed a
- green "Usage: /hslist " line in CHAT.
-- `/clist`/`/on`/`/off` with no channel name, and `@allegiance boot Bob`
- from section 4 above — SAME text as before, but now flash on the
- SpewBox instead of showing in chat.
-- A bare `/` or `@x` (no letter verb) and `/help somenonsenseverb` (section
- 5) both now flash "Unknown command[: x]" on the SpewBox too.
-- Sanity: `/endurance`, `@version`, `@loc` and other informational command
- output must STILL show in chat (green/default), not the SpewBox — only
- genuine refusals moved.
-
-## Known-open, do not report as new
-
-- Ctrl+M mute chord (#358) — still broken, separate from this campaign.
-- SpewBox line lifetime is still a placeholder (AP-177) pending a retail
- measurement session; position/font are now best-available
- approximations (AP-178), not confirmed retail pixel values.
-- Allegiance management subcommands print the help refusal instead of
- executing (#360); `@day`/`@log`/`@render` deferred (#361); four request
- commands send but responses aren't rendered yet (#362, already closed).
diff --git a/docs/research/2026-08-09-ch2-review-findings.md b/docs/research/2026-08-09-ch2-review-findings.md
deleted file mode 100644
index d22ce279..00000000
--- a/docs/research/2026-08-09-ch2-review-findings.md
+++ /dev/null
@@ -1,163 +0,0 @@
-# CH2 review findings — `77c8296e` (REJECT; rework list)
-
-Opus dual-lens review, 2026-08-09. Method: all 339 `case` bodies of
-`HandleFailureEvent @0x00571990` extracted, every `push imm32` string
-reference in VA `0x571990–0x575480` swept from the PDB-paired binary
-(`check_exe_pdb.py` → MATCH), diffed against the landed table,
-cross-checked against ACE's `WeenieError.cs`/`WeenieErrorWithString.cs`
-doc comments. The two oracles agreed on every discrepancy.
-
-## BLOCKER 1 — SpewBox never renders; pending queue unbounded
-
-`SpewBoxController.cs:75` constructs the `UiText` with `Visible = false`;
-`:94` (inside `ComputeLines`, the `LinesProvider`) is the only site that
-sets it true. `LinesProvider` is only invoked from `UiText.OnDraw`
-(`UiText.cs:407/429/451/472`), reached only through
-`UiElement.DrawSelfAndChildren`, whose first statement is
-`if (!Visible) return;` (`UiElement.cs:460`; `DrawOverlays` gates
-identically at `:511`). Start-invisible → provider never called →
-never visible → **no SpewBox line ever draws**. Consequence 2:
-`SpewBoxVM.Lines` is the sole caller of `SpewBoxState.Tick`, so
-`_pending` (`SpewBoxState.cs:66`, uncapped `Queue`) never drains
-— an unbounded per-session leak on a hot path. The controller tests
-(`SpewBoxControllerTests.cs:28,43`) invoke `text.LinesProvider!()`
-directly, bypassing the `Visible` gate, so they cannot see it.
-
-**Fix:** retail drives `gmSpewBoxUI::Update` from the UI tick (global
-message 3, `UIElementManager::UseTime @0x0045CFD0`), not from drawing.
-Give `SpewBoxController` an explicit per-frame `Tick(double now)` wired
-from the retained-UI host loop (the existing per-UI-tick seam — see
-`IUiGlobalTimeListener` / wherever retained controllers receive frame
-time); it calls `_vm.Lines(now)`, caches the result, sets
-`_text.Visible` there; `LinesProvider` returns the cache (exactly
-`PortalWaitNoticeController`'s external-push shape). Tests: drive the
-frame hook (not the provider); assert the pending queue drains without
-a draw pass.
-
-## BLOCKER 2 — table: 5 missing ids, ~22 wrong strings, 0x4F8 resolvable
-
-Transcription by "enumerate `case` labels, read the pseudo-C's ~33-char
-inline preview" is structurally unsound: it misses ids dispatched by
-`else if (arg2 == N)` and merges siblings whose literals collide in the
-preview. Re-derive mechanically: sweep `push imm32` operands in
-`0x571990–0x575480`, read each UTF-16LE literal to NUL, attribute per
-case block by disassembly (BN's line addresses shift up to ~0x20 bytes);
-cross-check every row against ACE's enum comments.
-
-### 2a. Five missing ids (else-if dispatch)
-
-| id | retail literal | type |
-|---|---|---|
-| `0x04F` | `You fail to affect %s because $s cannot be harmed!` | Magic (7) |
-| `0x3EE` | `The container is closed!` | ClientLocal (0x1A) |
-| `0x408` | `Your spell cannot be cast inside` | ClientLocal (0x1A) |
-| `0x48A` | `You must be a monarch to purchase this dwelling.` | Default (0) |
-| `0x4E8` | `The %s cannot be used while on a hook, use the '@house hooks on' command to make the hook openable.` | Default (0) |
-
-`0x43` is correctly absent (no text — only `AbortAutomaticAttack`).
-`0x3EE`/`0x408` are live on local ACE (`Player_Inventory.cs:883,955`,
-`Player_Magic.cs:513`). The landed test
-`Format_0x004F_FallsBackToHex_NoRetailCaseExists` pins the 0x04F
-regression and must be replaced.
-
-### 2b. Wrong strings (landed line → correct retail text)
-
-| line | id | correct retail string |
-|---|---|---|
-| `:166` | `0x051` | `You fail to affect %s because you are not a player killer!` |
-| `:168` | `0x053` | `You fail to affect %s because you are not the same sort of player killer as %s!` |
-| `:169` | `0x054` | `You fail to affect %s because you are acting across a house boundary!` |
-| `:218` | `0x466` | `You must purchase Asheron's Call: Dark Majesty to interact with that portal.` |
-| `:251` | `0x4A3` | `You must have linked with a portal in order to recall to it!` |
-| `:268` | `0x4B5` | `You must specify a character to query.` |
-| `:306` | `0x4E0` | `…certain level of skill. Your attributes cannot be transferred…` (transfer wording, not skill-lowering) |
-| `:328` | `0x4F7` | `%s fails to affect you because you are not a player killer!` |
-| `:401` | `0x544` | `…attempting to remove %s as an allegiance officer.` |
-| `:411` | `0x54E` | `The hook does not contain a usable item. You cannot open the hook because you do not own the house to which it belongs.` |
-| `:415` | `0x552` | `…Throne of Destiny to use this function.` |
-| `:416` | `0x553` | `…Throne of Destiny to use this item.` |
-| `:417` | `0x554` | `…Throne of Destiny to use this portal.` |
-| `:418` | `0x555` | `…Throne of Destiny to access this quest.` |
-| `:460` | `0x57F` | `Your allegiance chat privileges have been temporarily removed by %s. Until they are restored, you may not view or speak in the allegiance chat channel.` |
-| `:463` | `0x582` | `Your allegiance chat privileges have been restored by %s.` |
-
-(`0x581` at `:462` is correct.) For the `0x552`–`0x555` family and
-`0x4E0` the reviewer gave shapes — the fixer's binary sweep provides the
-exact full texts; every row must come from the swept literal, not this
-table's abbreviations. All routing TYPES were verified correct — only
-strings change.
-
-### 2c. 0x4F8 resolves — delete the exclusion
-
-`data_7d2ee8` = `" fails to affect you because you are not the same sort
-of player killer as "`, `data_7d2f80` = `"!\n"`; block stages
-`arg3 + literal + arg3 + "!\n"` through three `operator+` calls
-(`0x57475e/0x574765/0x574776`); type 7 (Magic) at the block's
-`AddTextToScroll (0x00573ba5)`. Row:
-`[0x4F8u] = new("%s fails to affect you because you are not the same sort of player killer as %s!", RetailLogTextType.Magic)`
-(both `%s` take the same param — replace-all already does this). Delete
-`Resolve_0x4F8_IsDeliberatelyExcluded_FallsBackToHex`; the class-doc
-claim about 0x4F7's "dangling" literal is a misattribution of 0x4F8's
-first operand — fix it. New pinned count: **344** (338 + 5 + 0x4F8).
-
-## SHOULD-FIX
-
-1. **`ResetSpewBox()` is dead code** (`RuntimeCommunicationState.cs:135`
- — no caller; `RuntimeGenerationReset.cs:318` only resets
- ChatIdentity). Fold `SpewBox.Reset()` into the ChatIdentity stage (same
- lifetime boundary) or add a stage; add a reset test.
-2. **`AddText` trims the wrong end + invents an empty-drop**
- (`RuntimeCommunicationState.cs:172-176`). Retail's
- `AddTextToScroll` calls `trim(&str, 1, 1, ws)` at `0x00563ce3` —
- BOTH ends (the trailing-only trim in research §3.1 is
- `gmSpewBoxUI::Update`'s separate call). Retail also broadcasts empty
- strings deliberately (`s_NullBuffer` at type 7). Fix: `text.Trim()`;
- remove the empty early-return (and its pinning test) — or keep it
- with a register row.
-3. **`ShowWeenieError` bypasses the chokepoint** —
- `LiveSessionRuntimeFactory.cs:341` still routes through
- `ChatLog.OnWeenieError` (hardcoded type 0x00, comment cites retired
- AP-176). `0x0561` belongs in the SpewBox and lands green in chat.
- Fix: route through `Communication.AddText(Resolve(code, param))` and
- delete `ChatLog.OnWeenieError` — or restore an AP row.
-4. **Unmapped-id fallback is unregistered divergence**
- (`WeenieErrorMessages.cs:129-134` emits `WeenieError 0xNNNN` into
- chat). Retail's switch has no default — unhandled ids produce NO
- text. Fix: match retail (silence toward the player), keep the hex id
- as a diagnostics log line only; flip/delete the fallback tests — or
- file a register row.
-
-## NITS
-
-1. `SpewBoxController.cs:34,42` — "AP-TBD" ×2 → AP-177 (lifetime),
- AP-178 (position/colour).
-2. Three stale "the split lands with CH2" comments (`ChatVM.cs:122`,
- `HeadlessGameplayOperations.cs:231`, `LiveSessionRuntimeFactory.cs:336`)
- + `AddText`'s `windowId` accepted but never consumed: retail's §2.3
- dual-destination (0x1A + non-zero windowId → SpewBox AND the
- originating chat window, ~40 sites) is unimplemented. File a register
- row for it and update the comments (implementing it is CH4/CH5 scope
- at the earliest).
-3. `SpewBoxLayoutDumpDiagnostic` almost certainly never consulted
- `dats.Local` (`client_local_English.dat` — the file research §8.1
- names); also the `0x10000012` probe treats a layout enum as a dat id.
- Extend the sweep to `dats.Local` before trusting AP-178's wording; if
- still negative, keep the row as-is.
-4. `WeenieErrorMessages.cs:36-41` — says "19 ids", lists 18.
-5. `SpewBoxState` doc overstates "exactly one frame" decoupling —
- same-call `Tick`+`Snapshot` displays same-frame; retail is 0–1. Fix
- wording.
-6. `GameEventWiring.cs:261,276` apply `IsSilentClientControlStatus` to
- 0x028A/0x028B but the UseDone path (`:596-601`) does not — harmless
- today; align or comment.
-
-## CONFIRMED-OK (do not touch)
-
-Core placement of `SpewBoxState` (canonical instance owned by
-`RuntimeCommunicationState`, UI borrows); `0x47` silent (DoJump's jump
-table has exactly 4 targets; `CommenceJump`'s fallback unreachable —
-brief's §4.2 reading was wrong); all 338 routing TYPES verified against
-the decomp with zero mismatches; all 11 `ClientTextRefusals` byte-exact;
-jump-family constant sharing; AP-177/178/179 content; placeholder
-honesty; architecture/layering; the `ClientLocal`-never-reaches-
-transcript test.
diff --git a/docs/research/2026-08-09-chat-retail-color-table.md b/docs/research/2026-08-09-chat-retail-color-table.md
deleted file mode 100644
index fd8f6297..00000000
--- a/docs/research/2026-08-09-chat-retail-color-table.md
+++ /dev/null
@@ -1,504 +0,0 @@
-# Retail chat color table — the exact type→color lookup
-
-**Date:** 2026-08-09
-**Status:** RESEARCH ONLY — no production code changed.
-**Primary source:** `docs/research/named-retail/acclient_2013_pseudo_c.txt`
-(Binary Ninja pseudo-C of the Sept 2013 EoR `acclient.exe`, PDB-named) +
-direct byte-read of the PDB-paired binary `C:\Users\erikn\Downloads\acclient.exe`
-(v11.4186, CodeView GUID `9e847e2f-777c-4bd9-886c-22256bb87f32`).
-**Ghidra MCP:** not reachable this session (ports 8080 and 8081 both refused);
-everything below comes from the committed static decomp plus the binary itself.
-
----
-
-## 0. TL;DR
-
-- The lookup table has **exactly 34 entries**, indices `0x00`–`0x21`.
-- The index is the **`LogTextType`** value — the same integer that arrives on
- the wire as ACE's `ChatMessageType`. **There is no remapping anywhere**:
- the wire byte is passed hand-to-hand from the message handler down to the
- font-color setter and used as a raw array index.
-- The table's **default fill is `colorGreen`** (0.5, 1, 0.498). Seven indices
- are never overwritten and therefore stay green.
-- The colors are **hard-coded C++ constants**. There is no chat-color option,
- no registry key, no DAT override. What retail *did* let the player configure
- is which text types go to which chat *window* (a 64-bit bitfield), not what
- color they are.
-- All 13 cdb-dumped RGBA values are confirmed byte-for-byte against the binary,
- and the one address the 2026-06-16 cdb session missed (`0x81c4d8`) is
- resolved here.
-
----
-
-## 1. The builder — `ChatInterface::BuildChatColorLookupTable @ 0x004F31C0`
-
-Called unconditionally from `ChatInterface::PostInit @ 0x004F3DD0` (call site
-`0x004F3F13`), once per chat-window construction.
-
-### 1.1 What it actually does
-
-```
-if (m_chatLog == null) return;
-
-var list = new BaseProperty(name = 0x1B); // the font-color LIST property
-var color = new BaseProperty(name = 0x19); // one RGBAColor-valued element
-
-color.SetColor(&colorGreen); // 0x81C578
-for (i = 0x22; i != 1; i--) // 34 iterations
- list.Append(color); // → indices 0..0x21 all green
-
-color.SetColor(&colorWhite); list.SetValue(0x02, color);
-color.SetColor(&colorGrey); list.SetValue(0x0C, color);
-color.SetColor(&yellow); list.SetValue(0x03, 0x1F, 0x0A, 0x13);
-color.SetColor(&darkYellow); list.SetValue(0x04, 0x0B);
-color.SetColor(&colorPink); list.SetValue(0x08, 0x09);
-color.SetColor(&orange); list.SetValue(0x12, 0x21);
-color.SetColor(&colorBlueGrey); list.SetValue(0x1B, 0x1C, 0x1D, 0x1E, 0x20, 0x0E);
-color.SetColor(&colorDarkRed); list.SetValue(0x0F, 0x06, 0x15);
-color.SetColor(&colorLightRed); list.SetValue(0x16);
-color.SetColor(&colorLightBlue); list.SetValue(0x07, 0x11);
-color.SetColor(&colorCyan); list.SetValue(0x0D);
-color.SetColor(&colorBrightPurple); list.SetValue(0x05);
-color.SetColor(&colorBrightRed); list.SetValue(0x1A);
-
-m_chatLog->SetProperty(list); // 0x004F3799
-```
-
-Decoding notes for anyone re-reading the raw pseudo-C:
-
-- `var_18` is the list property (`SetPropertyName(&var_18, 0x1b)`), `var_10` is
- the single color property (`SetPropertyName(&var_10, 0x19)`).
-- vtable slot `+0x9C` on the color property = "set value to this `RGBAColor*`";
- the argument is a raw `.data` address.
-- vtable slot `+0xFC` on the list = **Append** (one arg); slot `+0xF8` =
- **SetValue(index, value)** (two args). This is how you tell the default-fill
- loop from the per-index overrides.
-- Loop trip count: `i_1 = 0x22; do { append; i = i_1; i_1--; } while (i != 1);`
- runs 34 times → indices `0x00`–`0x21`. The highest index the function ever
- writes is `0x21`. Independent confirmation of the 34-value space is the
- squelch enumerator at `0x00589DEB`: `for (uint i = 0; i < 0x22; i++)`.
-- 27 indices are written explicitly; 7 (`0x00, 0x01, 0x10, 0x14, 0x17, 0x18,
- 0x19`) keep the green default.
-- The function builds property `0x1B` only — the **main font-color list**.
- It does *not* build property `0x1D`, the *tag* font-color list that
- `UIElement_Text::SetFontColorHelper` also consults; that one comes from the
- LayoutDesc.
-
-### 1.2 The color constants (verified against the binary)
-
-Read from `.data` (image base `0x400000`, `.data` VA `0x80A000` → raw
-`0x40A000`). Each is a 16-byte `RGBAColor` = four little-endian floats
-R, G, B, A. **Every alpha is 1.0.**
-
-| Address | Symbol | R | G | B | A | ≈8-bit |
-|---|---|---|---|---|---|---|
-| `0x0081C4A8` | `colorBrightRed` | 1.0 | 0.0 | 0.0 | 1.0 | `#FF0000` |
-| `0x0081C4B8` | `colorWhite` | 1.0 | 1.0 | 1.0 | 1.0 | `#FFFFFF` |
-| `0x0081C4C8` | *(unnamed)* **yellow** | 1.0 | 1.0 | 0.247 | 1.0 | `#FFFF3F` |
-| `0x0081C4D8` | *(unnamed)* **dark yellow** | 0.824 | 0.824 | 0.392 | 1.0 | `#D2D264` |
-| `0x0081C4E8` | `colorBrightPurple` | 1.0 | 0.498 | 1.0 | 1.0 | `#FF7FFF` |
-| `0x0081C4F8` | `colorDarkRed` | 1.0 | 0.247 | 0.247 | 1.0 | `#FF3F3F` |
-| `0x0081C508` | `colorLightRed` | 0.96 | 0.459 | 0.447 | 1.0 | `#F57572` |
-| `0x0081C518` | `colorLightBlue` | 0.247 | 0.749 | 1.0 | 1.0 | `#3FBFFF` |
-| `0x0081C528` | `colorPink` | 1.0 | 0.588 | 0.588 | 1.0 | `#FF9696` |
-| `0x0081C538` | `colorCyan` | 0.247 | 0.863 | 0.863 | 1.0 | `#3FDCDC` |
-| `0x0081C548` | `colorBlueGrey` | 0.706 | 0.863 | 0.941 | 1.0 | `#B4DCF0` |
-| `0x0081C558` | `colorGrey` | 0.824 | 0.824 | 0.784 | 1.0 | `#D2D2C8` |
-| `0x0081C568` | *(unnamed)* **orange** | 0.933 | 0.573 | 0.118 | 1.0 | `#EE921E` |
-| `0x0081C578` | `colorGreen` | 0.5 | 1.0 | 0.498 | 1.0 | `#80FF7F` |
-
-**`0x0081C4D8` is new** — the 2026-06-16 cdb session skipped it, and it is
-used by two table slots (`0x04` Speech_Direct_Send and `0x0B` Social_Send).
-Its exact bytes are `aa f1 52 3f aa f1 52 3f 39 b4 c8 3e 00 00 80 3f`;
-`0.8235294` and `0.39215687` are exactly 210/255 and 100/255, so retail
-authored it as RGB(210, 210, 100). Adjacent entries not used by the chat
-table: `0x0081C588` = white again, `0x0081C598` = black.
-
-Ship the **float** values, not the 8-bit approximations — several
-(`colorLightRed`, `orange`) are not integral /255 and were authored as
-decimal floats.
-
-**Provenance rule:** these 14 addresses appear in the whole 66 MB pseudo-C
-dump exactly 14 times, and every one of those occurrences is inside
-`BuildChatColorLookupTable`. Nothing else in the client reads or writes them.
-
----
-
-## 2. The index enum — `LogTextType`
-
-`docs/research/named-retail/acclient.h` has an `enum eChatTypes`
-(line 4935) that stops at `eTextTypeTotalNumChannels = 0x19`. **That header
-enum is stale** — it predates the 2013 build and does not cover the table.
-The authoritative 2013 names come from
-`LogTextTypeEnumMapper::LogTextTypeToString @ 0x006AFF90`, which is a literal
-`switch` over `0x00`–`0x1F` emitting the canonical strings; anything `> 0x1F`
-(and `0x1A`–`0x1E`, which fall through) returns `"Unknown"`.
-
-The field name `ChatDisplayInfo::m_ltt` (acclient.h line 40739,
-written at `0x005CD89A`) is what pins the enum's name: **L**og**T**ext**T**ype.
-
-### 2.1 The complete table
-
-| Idx | `LogTextType` name | Color symbol | RGBA (float) | Hex | Source |
-|---:|---|---|---|---|---|
-| `0x00` | `Default` | `colorGreen` | 0.5, 1, 0.498, 1 | `#80FF7F` | default fill |
-| `0x01` | `All` | `colorGreen` | 0.5, 1, 0.498, 1 | `#80FF7F` | default fill |
-| `0x02` | `Speech` | `colorWhite` | 1, 1, 1, 1 | `#FFFFFF` | explicit |
-| `0x03` | `Tell` | yellow `0x81C4C8` | 1, 1, 0.247, 1 | `#FFFF3F` | explicit |
-| `0x04` | `Speech_Direct_Send` | dark yellow `0x81C4D8` | 0.824, 0.824, 0.392, 1 | `#D2D264` | explicit |
-| `0x05` | `System` | `colorBrightPurple` | 1, 0.498, 1, 1 | `#FF7FFF` | explicit |
-| `0x06` | `Combat` | `colorDarkRed` | 1, 0.247, 0.247, 1 | `#FF3F3F` | explicit |
-| `0x07` | `Magic` | `colorLightBlue` | 0.247, 0.749, 1, 1 | `#3FBFFF` | explicit |
-| `0x08` | `Channel` | `colorPink` | 1, 0.588, 0.588, 1 | `#FF9696` | explicit |
-| `0x09` | `Channel_Send` | `colorPink` | 1, 0.588, 0.588, 1 | `#FF9696` | explicit |
-| `0x0A` | `Social` | yellow `0x81C4C8` | 1, 1, 0.247, 1 | `#FFFF3F` | explicit |
-| `0x0B` | `Social_Send` | dark yellow `0x81C4D8` | 0.824, 0.824, 0.392, 1 | `#D2D264` | explicit |
-| `0x0C` | `Emote` | `colorGrey` | 0.824, 0.824, 0.784, 1 | `#D2D2C8` | explicit |
-| `0x0D` | `Advancement` | `colorCyan` | 0.247, 0.863, 0.863, 1 | `#3FDCDC` | explicit |
-| `0x0E` | `Abuse` | `colorBlueGrey` | 0.706, 0.863, 0.941, 1 | `#B4DCF0` | explicit |
-| `0x0F` | `Help` | `colorDarkRed` | 1, 0.247, 0.247, 1 | `#FF3F3F` | explicit |
-| `0x10` | `Appraisal` | `colorGreen` | 0.5, 1, 0.498, 1 | `#80FF7F` | default fill |
-| `0x11` | `Spellcasting` | `colorLightBlue` | 0.247, 0.749, 1, 1 | `#3FBFFF` | explicit |
-| `0x12` | `Allegiance` | orange `0x81C568` | 0.933, 0.573, 0.118, 1 | `#EE921E` | explicit |
-| `0x13` | `Fellowship` | yellow `0x81C4C8` | 1, 1, 0.247, 1 | `#FFFF3F` | explicit |
-| `0x14` | `World_Broadcast` | `colorGreen` | 0.5, 1, 0.498, 1 | `#80FF7F` | default fill |
-| `0x15` | `Combat_Enemy` | `colorDarkRed` | 1, 0.247, 0.247, 1 | `#FF3F3F` | explicit |
-| `0x16` | `Combat_Self` | `colorLightRed` | 0.96, 0.459, 0.447, 1 | `#F57572` | explicit |
-| `0x17` | `Recall` | `colorGreen` | 0.5, 1, 0.498, 1 | `#80FF7F` | default fill |
-| `0x18` | `Craft` | `colorGreen` | 0.5, 1, 0.498, 1 | `#80FF7F` | default fill |
-| `0x19` | `Salvaging` | `colorGreen` | 0.5, 1, 0.498, 1 | `#80FF7F` | default fill |
-| `0x1A` | *(no string; "Unknown")* — **client-local text** | `colorBrightRed` | 1, 0, 0, 1 | `#FF0000` | explicit |
-| `0x1B` | *(no string)* — **Turbine General** | `colorBlueGrey` | 0.706, 0.863, 0.941, 1 | `#B4DCF0` | explicit |
-| `0x1C` | *(no string)* — **Turbine Trade** | `colorBlueGrey` | 0.706, 0.863, 0.941, 1 | `#B4DCF0` | explicit |
-| `0x1D` | *(no string)* — **Turbine LFG** | `colorBlueGrey` | 0.706, 0.863, 0.941, 1 | `#B4DCF0` | explicit |
-| `0x1E` | *(no string)* — **Turbine Roleplay** | `colorBlueGrey` | 0.706, 0.863, 0.941, 1 | `#B4DCF0` | explicit |
-| `0x1F` | `Admin_Tell` | yellow `0x81C4C8` | 1, 1, 0.247, 1 | `#FFFF3F` | explicit |
-| `0x20` | *(no string)* — **Turbine Society** (all 4 rooms) | `colorBlueGrey` | 0.706, 0.863, 0.941, 1 | `#B4DCF0` | explicit |
-| `0x21` | *(no string; no producer found)* | orange `0x81C568` | 0.933, 0.573, 0.118, 1 | `#EE921E` | explicit |
-
-### 2.2 Notes on the unnamed slots
-
-- **`0x1A`** is not dead. `LogTextTypeToString` has no name for it, but it is
- the single most-used literal in the client: **client-local text that never
- reaches the wire** — `"You need an open vendor."`, the three
- `cant_jump_*` strings, most command-parser errors. It also has a special
- path in `AddTextToScroll` (§3.2): type `0x1A` skips the timestamp prefix
- **and** skips the chat log file. Color: bright red.
-- **`0x1B`–`0x1E`, `0x20`** are the Turbine (global community) chat rooms.
- Their identity is not guesswork — `ChatRoomTracker::GetChatFormat @
- 0x005CD7C0` writes `ChatDisplayInfo::m_ltt` directly:
-
- | room field | `m_ltt` |
- |---|---|
- | `m_allegianceRoomID` | `0x12` (Allegiance) |
- | `mGeneralChatRoomID` | `0x1B` |
- | `mTradeChatRoomID` | `0x1C` |
- | `mLFGChatRoomID` | `0x1D` |
- | `mRoleplayChatRoomID` | `0x1E` |
- | `mOlthoiChatRoomID` | `0x12` (reuses Allegiance) |
- | `mSocietyChatRoomID`, `mSocietyCelHanChatRoomID`, `mSocietyEldWebChatRoomID`, `mSocietyRadBloChatRoomID` | `0x20` |
-
- This is why ACE's `ChatMessageType.cs` labels `0x1B`/`0x1E` "light cyan,
- unknown purpose" — they are the Turbine rooms, and `colorBlueGrey` is
- exactly that sky-blue.
-- **`0x21`** has a color slot and a filter bit but **no producer anywhere in
- the 2013 client**: `LogTextTypeToString` returns `"Unknown"`,
- `IsLegalChannel` returns 0, no `AddTextToScroll` / `m_ltt` site emits it.
- Treat it as reserved. Its orange matches `0x12` Allegiance, which hints at
- an allegiance-adjacent type that was never shipped (or was server-only).
-
----
-
-## 3. Consumption trace — wire byte → pixel color
-
-### 3.1 The chain
-
-```
-
- └─ ClientCommunicationSystem::Handle_Communication__* (type comes off the wire)
- └─ ClientSystem::AddTextToScroll(text, type, fireToPlugin, windowId) @0x00563C50
- └─ ECM_UI::SendNotice_DisplayFinalStringInfo(type, body, prefix, windowId) @0x00692550
- └─ ChatInterface::RecvNotice_DisplayFinalStringInfo(type, body, prefix, windowId) @0x004F4640
- ├─ AppendStringInfoWithFont(m_chatLog, prefix, font=0, colorIdx=0x0C) ← timestamp, ALWAYS grey
- └─ AppendStringInfoWithFont(m_chatLog, body, font=0, colorIdx=type)
- └─ UIElement_Text::SetFontColorHelper(this, prop 0x1B, &m_curFontColor, type) @0x00466AC0
- └─ list.GetValue(type) → m_curFontColor
-```
-
-`type` is never transformed. It is the wire value, used as the array index.
-
-### 3.2 Two details worth porting
-
-**Timestamp prefix is hard-coded to index `0x0C`.** In
-`RecvNotice_DisplayFinalStringInfo @0x004F46E9` the second `StringInfo` (the
-`"%#H:%M:%S "` prefix built in `AddTextToScroll` when
-`PlayerModule::DisplayTimeStamps()` is on) is appended with color index
-`0x0C` — i.e. `colorGrey`, regardless of the message's own type. Retail's
-timestamps are always grey.
-
-**Out-of-range index leaves the color alone.** `SetFontColorHelper` reads the
-list's element count into `arg2`, then `if (arg4 < arg2) { GetValue(arg4) ... }`.
-If the index is `>= 34`, it falls through without touching `m_curFontColor`,
-so the run inherits the *previous* line's color. It does **not** fall back to
-a default. (The green default only applies to the seven in-range slots the
-builder never overwrites.)
-
-**Type `0x1A` bypasses the timestamp and the log file.** `AddTextToScroll`
-branches on `arg3 == 0x1a` at `0x00563DE6`; the non-`0x1A` path is the one
-that formats the timestamp and `fprintf`s to `ClientSystem::s_pLogFile`.
-
-### 3.3 Wire → type for the message kinds you asked about
-
-Anchors are the `ClientCommunicationSystem::Handle_Communication__*` handlers.
-
-| Inbound kind | Opcode (ACE) | Handler | Type passed |
-|---|---|---|---|
-| Local speech | `0x02BB` | `Handle_Communication__HearSpeech @0x005712A0` | **`arg5` verbatim from the wire** (`AddTextToScroll(..., arg5, ...)` at `0x0057154D` for "X says", `0x00571325` for the "You say" self-echo) |
-| Ranged speech | `0x02BC` | `Handle_Communication__HearRangedSpeech @0x0056E550` → `gmCCommunicationSystem::HandleRangedTalkEvent @0x00589F60` | wire type (`arg6`) |
-| Tell | `0x02BD` | `Handle_Communication__HearDirectSpeech @0x005715A0` | **`arg6` verbatim** (`AddTextToScroll(..., arg6, ...)` at `0x005718D8` / `0x00571834` / `0x0057160C`) |
-| Emote / soul emote | `0x01E0` / `0x01E2` | `Handle_Communication__HearEmote @0x0057CBE0` (soul emote tail-calls it) | **hard-coded `0x0C`** at `0x0057CF94` |
-| Legacy channel speech | `0x0147` `ChannelBroadcast` | `Handle_Communication__ChannelBroadcast @0x00570B90` | derived from the channel bit — see below |
-| Turbine room speech | `0xF7DE` | `ChatRoomTracker::GetChatFormat @0x005CD7C0` → `m_ltt` | `0x12` / `0x1B`–`0x1E` / `0x20` — table in §2.2 |
-| Server message / system | `0xF7E0` | dispatched through `RecvNotice_DisplayStringInfo @0x0056E890` | **wire type verbatim** |
-| Client-local errors, command output | *(none)* | many sites | `0x1A` (or `0x00` for informational command output) |
-| Combat / magic / advancement / recall / craft / salvage / appraisal | `0xF7E0` and friends | server-chosen | wire type verbatim — `0x06`/`0x15`/`0x16`, `0x07`/`0x11`, `0x0D`, `0x17`, `0x18`, `0x19`, `0x10` |
-| Death messages | `0x019E` etc. | server-chosen | wire type verbatim (retail carries no special client-side death color) |
-
-`Handle_Communication__ChannelBroadcast` channel-bit → type (the `m_buffer_5`
-variable feeding `AddTextToScroll` at `0x00571169`):
-
-**Corrected 2026-08-09 (review):** the row 8 rows below marked "corrected"
-were wrong in the original CH1 drop. Binary Ninja renders retail's `neg esi;
-sbb esi, esi` idiom — a branchless select between `Channel` (0x08) and
-`Channel_Send` (0x09) — as the trivial pseudo-C expression `esi - esi`
-(always 0), which hid the real values. The correction comes from decoding
-the raw bytes at the PDB-paired binary: the HEAR branch's `sbb` site is at
-VA `0x00570F0A` (mask `-6` → `0x08` Channel) and the SEND branch's is at VA
-`0x00570D4F` (mask `-5` → `0x09` Channel_Send).
-
-| Channel bit | Prefix retail prints | Type |
-|---|---|---|
-| `0x0001` Abuse | `[]` | `0x0E` — retail's ONLY 0x0E producer (corrected 2026-08-09) |
-| `0x0400` Help | `[]` | `0x0F` |
-| `0x0800` Fellowship | `[Fellowship]` | `0x13` |
-| `0x1000` Patron / `0x2000` Vassal | `Your patron …` / `Your vassal …` | `0x0A` (hear) / `0x0B` (own send) — own-send precision added 2026-08-09 (corrected) |
-| `0x4000` Follower/Monarch | `Your follower …` | `0x0A` (hear) / `0x0B` (own send) |
-| `0x1000000` Co-Vassals | `[Co-Vassals]` | `0x0A` |
-| `0x2000000` Allegiance Broadcast | `[Allegiance Broadcast]` | `0x0A` |
-| `0x4000000` FellowBroadcast | — | `0x08` (hear) / `0x13` (own send) — corrected 2026-08-09, was wrongly `0x13` for both |
-| admin/audit/advocate/QA/sentinel/town catch-all | `[]` | `0x08` (hear) / `0x09` (own send) — corrected 2026-08-09, was wrongly `0x0E` / `0x0F` for all of them |
-
-Note the split that surprises people: **legacy allegiance-family chat arrives
-as `Social` (`0x0A`, yellow) / `Social_Send` (`0x0B`, dark yellow)**, while
-`Allegiance` (`0x12`, orange) is reserved for the *Turbine* allegiance room.
-
-### 3.4 The plugin hook sees the same integer
-
-`AddTextToScroll` calls `IACPlugin::OnChatWindowText(bstr, type, &suppress)`
-at `0x00563CA4` **before** any formatting, and a plugin returning
-`suppress != 0` drops the line entirely. Relevant if acdream's plugin chat
-API wants retail parity: the plugin contract is `(text, LogTextType, out
-bool eaten)`.
-
----
-
-## 4. Configurability — colors are NOT user-settable; filters are
-
-**Colors: hard-coded, no override path.**
-
-1. The 14 `RGBAColor` addresses are referenced from exactly one function in
- the entire binary (§1.2).
-2. `BuildChatColorLookupTable` runs unconditionally at `PostInit` and ends with
- `m_chatLog->SetProperty(list)`, which **replaces** property `0x1B` wholesale
- — so even a LayoutDesc that authored a color list would be overwritten.
-3. `ChatInterface::RecvNotice_GameplayOptionChanged @0x004F30E0` and
- `ChatInterface::OnSetAttribute @0x004F3F60` handle only the window's text-type
- filter and the two opacity values. Neither touches color.
-
-Conclusion: **the table above is the shipped behavior, not a default.**
-There is nothing for acdream to make configurable for retail parity.
-
-**Filters: genuinely user-settable, per window.**
-
-`ChatInterface::UpdateFromPlayerModule @0x004F3920` reads
-`PlayerModule::InqChatWindowOption(windowId, 0x1000007F, …)` into a 64-bit
-`m_llTextTypeFilter`, and `RecvNotice_GameplayOptionChanged` live-updates it
-when the option changes. `ChatInterface::TypeIsActive @0x004F2F10` tests
-`(1ULL << type) & m_llTextTypeFilter`. Two consequences:
-
-- ~~`UpdateFromPlayerModule` early-returns when `m_eWindowID == 0`, so the
- main window has no user filter~~ **CORRECTED 2026-08-10 (CH6a/b review,
- `docs/research/2026-08-10-ch6ab-review-findings.md`):** the main chat
- window is `m_eWindowID == 8` and the floaties are 2–5;
- `m_eWindowID == 0` is the UNAUTHORED constructor default, which is what
- that early-return guards. The main window's filter IS user-settable —
- `gmChatOptionsUI::InitOptions @0x0049FC60` builds its filter block at
- `SetUserData` id 8 (default `0x00000000_FBFFFFFF` @0x0049FDC9, with a
- dedicated high-dword Society child @0x0049FEFB, so 0x20 Society is
- opt-in on main).
-- `RecvNotice_DisplayFinalStringInfo` displays when
- `windowId == m_eWindowID` (explicitly addressed — e.g. command output uses
- `m_idCurrentCommandSource`) **or** `windowId == 0 && TypeIsActive(type)`
- (broadcast).
-
-`PostInit` default filters (`0x004F3DF9` switch on `m_oldState`; Binary Ninja
-mis-attributes the low dword to `m_chatNewNonVisibleTextIndicator` — it is the
-low half of the 64-bit filter, and the following `m_llTextTypeFilter = 0`
-is the high half):
-
-| `m_oldState` | Low dword | Types |
-|---|---|---|
-| 1, 8 | `0xFBFFFFFF` | everything `0x00`–`0x1F` except `0x1A` |
-| 2 | `0x0000101C` | `0x02` Speech, `0x03` Tell, `0x04` Speech_Direct_Send, `0x0C` Emote |
-| 3 | `0x00040C00` | `0x0A` Social, `0x0B` Social_Send, `0x12` Allegiance |
-| 4 | `0x00080000` | `0x13` Fellowship |
-| 5 | `0x78000000` | `0x1B` General, `0x1C` Trade, `0x1D` LFG, `0x1E` Roleplay |
-
-Every default sets the **high** dword to 0, so `0x20` (Society) and `0x21` are
-in no window's default filter — Society chat only appears once the player
-enables it, which matches retail's opt-in Society channel.
-
-Squelching is a separate axis: `LogTextTypeEnumMapper::IsLegalChannel @
-0x006AFF40` whitelists exactly `0x02, 0x03, 0x06, 0x07, 0x0C, 0x10, 0x11,
-0x12, 0x13, 0x15, 0x16, 0x17, 0x18, 0x19` as squelchable.
-
----
-
-## 5. acdream correction list
-
-**Current code:**
-`src/AcDream.App/UI/Layout/ChatWindowController.cs:542`
-(`RetailChatColor(ChatKind)`), driven from line 462. The `ChatKind` enum is
-`src/AcDream.Core/Chat/ChatLog.cs:337`. (`ChatChannelKind` in
-`src/AcDream.UI.Abstractions/ChatChannelKind.cs` is the **outbound** channel
-selector and never reaches the color path — it needs no color change.)
-
-### 5.1 Per-arm verdict
-
-| `ChatKind` | acdream RGBA now | Retail type it represents | Retail RGBA | Verdict |
-|---|---|---|---|---|
-| `LocalSpeech` | 1, 1, 1, 1 `colorWhite` | `0x02` Speech | 1, 1, 1, 1 | ✅ **CONFIRMED** |
-| `RangedSpeech` | 1, 1, 1, 1 `colorWhite` | wire type on `0x02BC`; ACE's own header documents `0x0C` for this opcode | 0.824, 0.824, 0.784, 1 `colorGrey` | ❌ **CHANGE** — must follow the wire type, not a constant |
-| `Channel` | 0.247, 0.749, 1, 1 `colorLightBlue` | Turbine rooms `0x1B`–`0x1E`/`0x20`; legacy `0x0A`/`0x0B`/`0x13`; Turbine allegiance `0x12` | Turbine rooms 0.706, 0.863, 0.941 `colorBlueGrey`; Social 1, 1, 0.247; Social_Send 0.824, 0.824, 0.392; Fellowship 1, 1, 0.247; Allegiance 0.933, 0.573, 0.118 | ❌ **CHANGE** — `colorLightBlue` is `0x07` Magic / `0x11` Spellcasting, never a channel |
-| `Tell` | 1, 0.498, 1, 1 `colorBrightPurple` | `0x03` Tell (incoming), `0x04` Speech_Direct_Send (own "You tell …") | incoming 1, 1, 0.247 `yellow`; own send 0.824, 0.824, 0.392 `dark yellow` | ❌ **CHANGE** — `colorBrightPurple` is `0x05` System |
-| `System` | 0.5, 1, 0.498, 1 `colorGreen` | wire type; ACE `0xF7E0` uses `0x00`, `0x03`, `0x04`, `0x05`, `0x06`, `0x07`, `0x0D`, `0x10`, `0x11`, `0x17`, `0x18` | `0x00` → 0.5, 1, 0.498 (green, matches today); `0x05` → 1, 0.498, 1 (purple) | ❌ **CHANGE** — green is right only for wire type `0x00`; the collapse to one color is the bug |
-| `Popup` | 0.5, 1, 0.498, 1 `colorGreen` | `0x0004 PopUpString` → `Handle_Communication__PopUpString @0x0057FE80` — a modal dialog, **not** a chat-log line in retail | n/a | ⚪ **OUT OF SCOPE** — no retail color; acdream's choice to render it in chat is an acdream divergence |
-| `Emote` | 0.824, 0.824, 0.784, 1 `colorGrey` | `0x0C` Emote (hard-coded by `HearEmote`) | 0.824, 0.824, 0.784, 1 | ✅ **CONFIRMED** |
-| `SoulEmote` | 0.824, 0.824, 0.784, 1 `colorGrey` | `0x0C` — `HearSoulEmote` tail-calls `HearEmote` at `0x0057D096` | 0.824, 0.824, 0.784, 1 | ✅ **CONFIRMED** |
-| `Combat` | 0.96, 0.459, 0.447, 1 `colorLightRed` | `0x06` Combat, `0x15` Combat_Enemy, `0x16` Combat_Self | `0x06`/`0x15` → 1, 0.247, 0.247 `colorDarkRed`; `0x16` → 0.96, 0.459, 0.447 `colorLightRed` | ❌ **CHANGE** — today's value is correct only for `Combat_Self` |
-| `_` fallback | 0.824, 0.824, 0.784, 1 `colorGrey` | unassigned in-range slots | 0.5, 1, 0.498, 1 `colorGreen` | ❌ **CHANGE** — retail's unset default is green; out-of-range indices keep the *previous* line's color |
-
-**Score: 3 confirmed, 6 changed, 1 out of scope.**
-
-### 5.2 The structural correction
-
-Every "CHANGE" above has the same root cause: acdream colors by a **synthetic
-9-value `ChatKind`**, while retail colors by the **34-value wire
-`LogTextType`**. Keeping `ChatKind` for routing/formatting is fine, but the
-color must key off the wire integer.
-
-The wire value is already parsed and already in hand — no new parsing needed:
-
-- `HearSpeech.Parsed.ChatType` (`src/AcDream.Core.Net/Messages/HearSpeech.cs:64`)
- — parsed today and **discarded** at the `OnLocalSpeech` call site
- (`src/AcDream.Runtime/Session/LiveSessionEventRouter.cs:260`).
-- `ServerMessage.Parsed.ChatType` (`src/AcDream.Core.Net/Messages/ServerMessage.cs:33`)
- — already threaded through as
- `social.Chat.OnSystemMessage(message.Message, message.ChatType)`
- (`LiveSessionEventRouter.cs:268`), where `ChatLog.OnSystemMessage` parks it
- in `ChatEntry.ChannelId`. It is available; it just is not used for color.
-- `TurbineChat.ChatType` — available at
- `LiveSessionEventRouter.RouteTurbineChat` (line 484), already used for the
- display name via `TurbineChatDisplayNames.Resolve`.
-- `GameEvents` tell/emote payloads (`src/AcDream.Core.Net/Messages/GameEvents.cs:53`)
- carry `ChatType` too.
-
-The retail-faithful shape is a 34-entry `Vector4[]` built once (exactly as
-`BuildChatColorLookupTable` does), indexed by the wire type, with
-"index ≥ 34 → keep the previous run's color". Several call sites that
-currently pass a made-up type would need the real one:
-`ChatLog.OnSystemMessage(text, 0x1Au)` appears at five App composition sites
-and `chatType: 0u` at three `GameEventWiring` sites — those are placeholders,
-and `0x1A` happens to be the *correct* retail type for client-local text
-(bright red), so those five are already right by accident.
-
-### 5.3 Coverage gap
-
-acdream has no representation at all for 22 of the 34 retail types:
-`All`(0x01), `Speech_Direct_Send`(0x04), `Channel`(0x08), `Channel_Send`(0x09),
-`Social`(0x0A), `Social_Send`(0x0B), `Advancement`(0x0D), `Abuse`(0x0E),
-`Help`(0x0F), `Appraisal`(0x10), `Spellcasting`(0x11), `Allegiance`(0x12),
-`Fellowship`(0x13), `World_Broadcast`(0x14), `Combat_Enemy`(0x15),
-`Combat_Self`(0x16), `Recall`(0x17), `Craft`(0x18), `Salvaging`(0x19),
-`Admin_Tell`(0x1F), Turbine `0x1B`–`0x1E`/`0x20`, and reserved `0x21`.
-A table keyed by the wire integer closes all of them at once.
-
-### 5.4 Two documentation defects found in passing
-
-1. **`src/AcDream.Core.Net/Messages/HearSpeech.cs:39-48`** — the `ChatType`
- legend in the XML doc comment is wrong on 4 of 6 entries. It claims
- `0x02 = Combat`, `0x0B = Speech`, `0x0F = Emote`, `0x10 = Tell`. Retail:
- `0x02 = Speech`, `0x0B = Social_Send`, `0x0F = Help`, `0x10 = Appraisal`,
- `0x03 = Tell`, `0x0C = Emote`. Only `0x01` (Broadcast/AllChannels — retail
- calls it `All`) and `0x11` (Spellcasting, the comment's "Syllables") are
- close.
-2. **`ChatWindowController.cs:536-541`** — the doc comment asserts "the four
- common kinds (speech/tell/channel/system) are confirmed by the named
- symbols". Speech is confirmed; tell, channel and system are all wrong.
- That sentence should be deleted along with the fix.
-
----
-
-## 6. Cross-check against ACE
-
-`references/ACE/Source/ACE.Entity/Enum/ChatMessageType.cs` is the same index
-space (its `LogTextTypeEnumMapper:` doc lines are literally the strings from
-`LogTextTypeToString`), and its informal color notes independently corroborate
-the decompiled table on every entry it comments:
-
-| ACE note | Retail table | Agrees? |
-|---|---|---|
-| `0x08` Channel "Light Pink Text" | `colorPink` | ✅ |
-| `0x0A` Social "Bright Yellow Text" | yellow `#FFFF3F` | ✅ |
-| `0x0B` Social_Send "Light Yellow Text" | dark yellow `#D2D264` | ✅ |
-| `0x0E` Abuse "Light Cyan (skyblue?)" | `colorBlueGrey` | ✅ |
-| `0x0F` Help "Red Text" | `colorDarkRed` | ✅ |
-| `0x13` Fellowship "Bright Yellow Text" | yellow | ✅ |
-| `0x14` WorldBroadcast "Green Text" | `colorGreen` (default fill) | ✅ |
-| `0x15` CombatEnemy "Red Text" | `colorDarkRed` | ✅ |
-| `0x16` CombatSelf "Pink Text" | `colorLightRed` (salmon) | ✅ |
-| `0x19` Salvaging "Green Text" | `colorGreen` (default fill) | ✅ |
-| `0x1B`, `0x1E` "Light cyan (sky blue)" | `colorBlueGrey` | ✅ |
-| `0x1F` AdminTell "Bright Yellow Text" | yellow | ✅ |
-
-ACE stops at `0x1F` and comments `0x1A` out as "client doesn't display it" —
-both are ACE gaps, not retail behavior: retail has 34 slots and `0x1A` is its
-busiest client-local type.
-
----
-
-## 7. Reproduction commands
-
-```bash
-# The builder
-grep -n "BuildChatColorLookupTable" docs/research/named-retail/acclient_2013_pseudo_c.txt
-sed -n '246117,246440p' docs/research/named-retail/acclient_2013_pseudo_c.txt
-
-# The 2013 type names
-sed -n '695462,695790p' docs/research/named-retail/acclient_2013_pseudo_c.txt # LogTextTypeToString
-sed -n '695397,695425p' docs/research/named-retail/acclient_2013_pseudo_c.txt # IsLegalChannel
-
-# Turbine room -> m_ltt
-sed -n '479725,479870p' docs/research/named-retail/acclient_2013_pseudo_c.txt
-
-# Consumption
-sed -n '247282,247330p' docs/research/named-retail/acclient_2013_pseudo_c.txt # RecvNotice_DisplayFinalStringInfo
-sed -n '113699,113760p' docs/research/named-retail/acclient_2013_pseudo_c.txt # SetFontColorHelper
-sed -n '368347,368520p' docs/research/named-retail/acclient_2013_pseudo_c.txt # AddTextToScroll
-```
-
-The RGBA quads were read straight out of the PDB-paired binary by walking the
-PE section table (`.data` VA `0x80A000` → raw `0x40A000`) and unpacking
-`<4f` at each 16-byte stride from `0x0081C4A8`. Re-run
-`py tools/pdb-extract/check_exe_pdb.py "C:/Users/erikn/Downloads/acclient.exe"`
-first — it must report `MATCH` before any address in this document is valid.
diff --git a/docs/research/2026-08-09-chat-retail-command-registry.md b/docs/research/2026-08-09-chat-retail-command-registry.md
deleted file mode 100644
index 0a7e66b2..00000000
--- a/docs/research/2026-08-09-chat-retail-command-registry.md
+++ /dev/null
@@ -1,399 +0,0 @@
-# Retail client slash-command registry — complete enumeration + acdream audit
-
-Date: 2026-08-09
-Status: RESEARCH ONLY. No production code was changed.
-
-Oracle: `docs/research/named-retail/acclient_2013_pseudo_c.txt` (Sept 2013 EoR
-build) plus byte-level decode of the PDB-paired binary
-`C:\Users\erikn\Downloads\acclient.exe` (v11.4186, CodeView GUID
-`9e847e2f-777c-4bd9-886c-22256bb87f32`). Every verb string in this document was
-read out of `.rdata` at the exact `push imm32` operand feeding
-`PStringBase::PStringBase` inside the registration loop — none were
-inferred from Binary Ninja's symbolic rendering, which mislabels several of the
-pooled single-character strings as wide-string slices
-(`&*U"fvpca"[4]`) and two as vtable fields.
-
-Extends `docs/research/2026-07-13-retail-client-command-families-pseudocode.md`,
-which already proved out the families acdream ported (lifestone/marketplace/
-arena/age/birth/framerate/lockui/die/loc/corpse/clear/UI-layout/friends/afk/
-consent/squelch/filter/emote/fillcomps). Those pseudocode blocks are not
-repeated here.
-
----
-
-## 1. Registry mechanism
-
-There is **one** command table and **two** functions that populate it:
-`ClientCommunicationSystem::m_hashCommands`, an
-`IntrusiveHashTable>, CmdHashData*>`
-sized to 100 buckets in the ctor at `0x0058555D`.
-`ClientCommunicationSystem::InitializeCommands @ 0x00581970` (spanning to
-`0x00585520`) registers **116** entries; `CmdHashData::CmdHashData @ 0x0056ED30`
-stores `+0x00` verb, `+0x08` `func` (`uint8_t (*)(this, int argc, char** argv)`),
-`+0x0C` unused-in-practice, `+0x10` `help`
-(`uint8_t (*)(this, HelpType, char const*, PStringBase*)`), `+0x14` unused.
-`ClientCommunicationSystem::StartupTurbineChatSystem @ 0x0057EFB0` runs only when
-the server enables Turbine Chat; it **removes** the `a` entry and adds 15
-entries (`a`, `guild`, `gu`, `general`, `cg`, `trade`, `ct`, `lfg`, `clfg`,
-`roleplay`, `crp`, `society`, `soc`, `olthoi`, `o`), i.e. 14 net-new verbs.
-Nothing else ever calls `IntrusiveHashTable<…CmdHashData*>::add` — verified by
-grepping every call site (18 in `0x0057xxxx`, all inside
-`StartupTurbineChatSystem` plus the two hash-table helpers themselves; 116 in
-`0x0058xxxx`, all inside `InitializeCommands`).
-
-Dispatch is `ClientCommunicationSystem::OnChatCommand @ 0x00581320` →
-`ClientCommunicationSystem::DoCommand @ 0x0057E2E0`. `OnChatCommand` switches on
-`firstChar - 0x2F`: `'/'` (case 0) is **rewritten in place to `'@'`** and falls
-into `DoCommand`; `'@'` (case 0x11) enters `DoCommand` directly; `':'` and `';'`
-(cases 0x0B/0x0C) have their first character replaced with a space and the whole
-line prefixed with the literal `"@emote"` before `DoCommand` — that is retail's
-emote shorthand. Anything else routes to `PublicChat` / talk-focus.
-`DoCommand` splits the line on `" \t"` (`PSUtils::FindAllWords`, delimiter set at
-`0x007E0F5C`), takes `words[0].substring(1)` as the verb, **right-trims `','`**
-from it (trim char set `0x0079452C`, `trim(left=0, right=1)`) so `@f, hello`
-works, then looks the verb up. If the entry is absent **or its `func` is NULL**,
-it calls `ClientCommunicationSystem::DoChannelCommand @ 0x005774A0`, which tries
-`ChannelSystem::GetChannelID @ 0x005CF1F0` on the verb and, on a hit, sends
-`CM_Communication::Event_ChannelBroadcast(id, joinedArgs)`. Only if *that* also
-fails does the client fall back to `CM_Communication::Event_Talk` with the
-**original `@`-prefixed line** — which is exactly the passthrough ACE relies on
-(`references/ACE/Source/ACE.Server/Network/GameAction/Actions/GameActionTalk.cs:21`,
-`if (message.StartsWith("@"))` → `CommandManager`). A registered handler that
-returns 0 raises `HandleFailureEvent(0x26, "")`.
-
----
-
-## 2. Complete retail command table
-
-One row per handler. `A` in the Turbine column = the row exists only after
-`StartupTurbineChatSystem`. acdream paths are relative to the repo root.
-
-### 2.1 Help / group nodes
-
-| Verb | Aliases | Handler @addr | Args | Behavior | acdream status |
-|---|---|---|---|---|---|
-| `help` | `?` | `DoHelp @ 0x0057F9E0` | `[command\|group]` | No args: prints the group index + "Note: You may substitute a forward slash (/) for the at symbol (@)." With an arg: looks the verb up and calls its `help` fn. | **PARTIAL** — `ChatCommandRouter.TryHandleLocalPresentationCommand` (`src/AcDream.UI.Abstractions/Panels/Chat/ChatCommandRouter.cs:96`) prints one flat blob for `/help`, `/?`, `/h`. No `@help `, no group topics. `/h` is an acdream invention (not a retail verb). |
-| `commands` | — | *(NULL func)*, help `HelpAllGroup @ 0x0057E7F0` | — | Help-topic node only. Typing it alone falls through to channel lookup then server. | MISSING |
-| `allegiances` | — | *(NULL func)*, `HelpAllegiancesGroup @ 0x0057D4C0` | — | Help topic. | MISSING |
-| `channels` | — | *(NULL func)*, `HelpChannelsGroup @ 0x005773E0` | — | Help topic. | MISSING |
-| `chatting` | — | *(NULL func)*, `HelpChattingGroup @ 0x0057B1A0` | — | Help topic. | MISSING |
-| `death` | — | *(NULL func)*, `HelpDeathGroup @ 0x0057B8B0` | — | Help topic. | MISSING |
-| `status` | — | *(NULL func)*, `HelpStatusGroup @ 0x0057C410` | — | Help topic. | MISSING |
-| `text` | — | *(NULL func)*, `HelpTextGroup @ 0x0057C6C0` | — | Help topic. | MISSING |
-
-### 2.2 Local chat routing
-
-| Verb | Aliases | Handler @addr | Args | Behavior | acdream status |
-|---|---|---|---|---|---|
-| `say` | `s` | `DoSay @ 0x00581240` | `` | Joins + trims args, `PublicChat`. Empty → "You must specify the text you wish to say." | IMPLEMENTED-EQUIVALENT — `ChatInputParser` `SayAliases = {"/say","/s"}` (`ChatInputParser.cs:41`). Not a catalog command; routed as `SendChatCmd(Say)`. |
-| `tell` | `t`, `send`, `whisper`, `w` | `DoTell @ 0x00577E40` | `, ` | Splits on the **first comma**; name = left, text = right. Sets `SetLastTelleeName`, sends `CM_Communication::Event_TalkDirectByName`. Retail help is explicit: "you must put a comma after the character's name." | **PARTIAL** — `ChatInputParser.TellAliases = {"/tell","/t"}` only; `send`/`whisper`/`w` MISSING. acdream splits on **whitespace first** and merely trims a trailing comma off the target (`ChatInputParser.cs:208-220`), so a multi-word name (`/t Lord Gnarly, hi`) resolves the wrong target where retail resolves it correctly. |
-| `reply` | `r`, `rp` | `DoReply @ 0x00577910` | `` | Sends `Event_TalkDirect` to `gmCCommunicationSystem::GetLastTeller()` (a **guid**, not a name). No teller → "Someone must @tell you first!" | **PARTIAL/DIVERGENT** — `ReplyAliases = {"/reply","/r"}`; `rp` is MISSING **and is bound to Roleplay in acdream** (`ChatInputParser.cs:78`). acdream replies by *name*, retail by guid. |
-| `mr` | — | **NULL func**, help `HelpReply @ 0x00577A50` | `` | Documented as "reply to the last person who @m'd you (monarchs only)" but the 2013 build registers it with a **null function pointer** (verified at `0x00583041`: `xor edi,edi; xor ebp,ebp` before the ctor call — arg3 is 0). It therefore falls through to channel lookup (miss) and is sent to the server as text. A retail defect, not an acdream one. | MISSING (and **do not** implement client-side — retail does not) |
-| `pr` | — | **NULL func**, help `HelpReply` | `` | Same as `mr` (verified at `0x005830C1`). | MISSING (same note) |
-| `retell` | `rt` | `DoReTell @ 0x00577BD0` | `` | Re-sends to the last person **you** tell'd. | **PARTIAL** — `RetellAliases = {"/retell"}`; `rt` MISSING. |
-| `chat` | — | `DoChatToggle @ 0x0056FAD0` | `on\|off` | `on` → `Event_ModifyGlobalSquelch(remove, 2)`; `off` → `Event_ModifyGlobalSquelch(add, 2)` — i.e. it is a global **Speech** filter, not a separate flag. | MISSING (cheap: acdream already has `ModifyGlobalSquelch`) |
-| `notell` | — | `DoNoTell @ 0x0056FBD0` | `on\|off` | Same mechanism with message type **3 (Tell)**. | MISSING (same) |
-| `join` | — | `DoJoinChat @ 0x0056F510` | `` | Sets the matching `PlayerModule::SetHear*Chat(true)` Turbine-room flag. | MISSING |
-| `leave` | — | `DoLeaveChat @ 0x0056F7F0` | same tags | Clears the matching flag. | MISSING |
-| `index` | — | `DoChannelIndex @ 0x0056E640` | — | `CM_Communication::Event_ChannelIndex()`. ACE: `GameActionType.IndexChannels`. | MISSING |
-| `clist` | — | `DoChannelList @ 0x0057A9B0` | `` | `GetChannelID` then `Event_ChannelList(id)`; bad tag → WeenieError `0x422`; no arg → "Please specify the channel name." ACE: `ListChannels`. | MISSING |
-| `on` | — | `DoChannelOn @ 0x0057AA80` | `` | `Event_AddToChannel(id)`. ACE: `AddChannel`. | MISSING |
-| `off` | — | `DoChannelOff @ 0x0057AB50` | `` | `Event_RemoveFromChannel(id)`. ACE: `RemoveChannel`. | MISSING |
-| `title` | — | `DoTitle @ 0x0057A640` | `` | Sets the popup chat window's title. Pure local UI. | MISSING |
-| `log` | — | `DoSetOutput @ 0x0057E4F0` | `[filename]` | Toggles chat-to-file logging; appends `.txt`; "Copying chat to %s. Run command again with no arguments to turn off logging." | MISSING |
-| `clear` | — | `DoClear @ 0x0056E600` | `[all]` | IMPLEMENTED | **IMPLEMENTED** — `RetailClientCommandCatalog.cs:115`, `ClientCommandController.cs:165`. |
-| `filter` / `unfilter` | — | `DoFilter @ 0x0057C860` / `DoUnFilter @ 0x0057C880` | `-` | IMPLEMENTED | **IMPLEMENTED** — `ClientCommandController.ExecuteGlobalFilter`. |
-| `messagetypes` | `message_types`, `msgtypes`, `msg_types` | `DoMessageTypes @ 0x0057A010` | — | Lists squelch/filter categories. | **PARTIAL** — only `messagetypes` registered (`RetailClientCommandCatalog.cs:251`); the three underscore/short aliases are MISSING. |
-| `loadfile` | — | `DoLoadFile @ 0x00581870` / `LoadFile @ 0x00581710` | `` | `fopen` the file, then feed every line back through `OnChatCommand` after `MakeLoadFileVariableSubstitutions`. A script player. No arg → "You must provide a file name."; open failure → "Cannot open file %hs". | MISSING (see §3 risk note) |
-
-### 2.3 Chat channels (`DoStupidChannelHack @ 0x0057B130` → `DoChannelCommand`)
-
-All of these are one handler: no args → "You must specify the text you wish to
-say."; otherwise `ChannelSystem::GetChannelID(verb)` then
-`CM_Communication::Event_ChannelBroadcast(id, text)`.
-
-| Channel | Registered verbs | Channel id | acdream status |
-|---|---|---|---|
-| Allegiance | `a`, `ab` (also `allegiance`/`all` **as a command**, see §2.4) | `0x02000000` | `/a` IMPLEMENTED-EQUIVALENT (`ChatInputParser.cs:63`). `ab` MISSING. **`/allegiance` is bound to the Allegiance channel in acdream but is a COMMAND in retail** — divergence. |
-| Co-vassals | `co-vassals`, `covassals`, `covassal`, `c` | `0x01000000` | `covassals` OK; `c`, `covassal`, `co-vassals` MISSING. acdream's `/cv` is an invention. |
-| Monarch | `monarch`, `m` | `0x4000` | IMPLEMENTED-EQUIVALENT |
-| Patron | `patron`, `p` | `0x2000` | IMPLEMENTED-EQUIVALENT |
-| Vassals | `vassals`, `vassal`, `v` | `0x1000` | `vassals`, `v` OK; `vassal` MISSING. |
-| Fellowship | `fellowship`, `fellows`, `fellow`, `f`, `group`, `g`, `party` | `0x800` | **DIVERGENT** — retail's `g` and `group` and `party` are **Fellowship**. acdream maps `/g` to **General** (`ChatInputParser.cs:57`). `fellows`, `group`, `party` MISSING. |
-
-`ChannelSystem::GetChannelID` also resolves 22 tags that are **not** in the
-command table. Because `DoCommand` falls through to `DoChannelCommand` for any
-unregistered verb, these still work as channel broadcasts:
-
-| Tags | Channel id |
-|---|---|
-| `av`, `av1`, `advocate`, `advocate1` | `0x08` |
-| `av2`, `advocate2` | `0x10` |
-| `av3`, `advocate3` | `0x20` |
-| `abuse` | `0x01` |
-| `ad`, `admin` | `0x02` |
-| `au`, `audit` | `0x04` |
-| `sent`, `sentinel` | `0x200` |
-| `celestialhand`, `celhan` | `0x08000000` |
-| `eldrytchweb`, `eldweb` | `0x10000000` |
-| `radiantblood`, `radblo` | `0x20000000` |
-| `ol` (and `olthoi` pre-Turbine) | `0x40000000` |
-| `help` | `0x400` — **explicitly rejected** by `DoChannelCommand` at `0x005774FD` (`id == 0 || id == 0x400` → return 0) |
-
-All 22 are SERVER-PASSTHROUGH in acdream today (they reach ACE as `@abuse …`
-text rather than a channel broadcast).
-
-### 2.4 Turbine Chat (registered only by `StartupTurbineChatSystem @ 0x0057EFB0`)
-
-Each sends `ClientCommunicationSystem::SendTurbineChat @ 0x0057DB10` with the
-matching `ChatTypeEnum` and the player's `PlayerModule::Hear*Chat` gate.
-
-| Verb | Aliases | Handler @addr | acdream status |
-|---|---|---|---|
-| `a` | `guild`, `gu` | `DoTurbineChat_Allegiance @ 0x0057EBA0` | `/a` routed as a plain Allegiance channel message; `guild`/`gu` MISSING |
-| `general` | `cg` | `DoTurbineChat_General @ 0x0057EC50` | `general` OK; `cg` MISSING. acdream's `/gen` is an invention. |
-| `trade` | `ct` | `DoTurbineChat_Trade @ 0x0057ECE0` | `trade` OK; `ct` MISSING. `/tr` is an invention. |
-| `lfg` | `clfg` | `DoTurbineChat_LFG @ 0x0057ED70` | `lfg` OK; `clfg` MISSING. `/lookingforgroup` is an invention. |
-| `roleplay` | `crp` | `DoTurbineChat_Roleplay @ 0x0057EE00` | `roleplay` OK; `crp` MISSING. `/role` and `/rp` are inventions (`/rp` collides with retail's reply alias). |
-| `society` | `soc` | `DoTurbineChat_Society @ 0x0057EF20` | `society` OK; `soc` MISSING |
-| `olthoi` | `o` | `DoTurbineChat_Olthoi @ 0x0057EE90` | `olthoi` OK; `o` MISSING |
-
-### 2.5 Allegiance management
-
-| Verb | Aliases | Handler @addr | Args | Behavior | acdream status |
-|---|---|---|---|---|---|
-| `allegiance` | `all` | `DoAllegiance @ 0x0057D5A0` | ` [args]` | Subcommand dispatcher. Verbs read out of the handler: `boot` (`DoAllegianceBoot @ 0x0057AEF0`), `info` (`DoAllegianceInfo @ 0x00576560`), `chat`/`ch` (`DoAllegianceChat @ 0x00575CB0`), `broadcast`/`br` (`DoAllegianceBroadcast @ 0x005761F0`), `ban` (`DoAllegianceBan @ 0x005762A0`), `officer` (`DoAllegianceOfficer @ 0x00576650`), `title` (`DoAllegianceOfficerTitle @ 0x00576A10`), `hometown`/`ho` (`DoAllegianceHometown @ 0x0056EF10`), `motd` (`DoMotd @ 0x00577150`), `name` (`DoAllegianceName @ 0x00576C80`), `lock` (`DoAllegianceLock @ 0x00576E70`), `house` (`DoAllegianceHouse @ 0x0056EF70`). | MISSING (and `/allegiance` currently mis-bound as a chat channel) |
-| `ab` | — | `DoAllegianceBroadcast @ 0x005761F0` | `` | Monarch broadcast to the whole allegiance. | MISSING |
-| `alh` | `ah` | `DoAllegianceHometown @ 0x0056EF10` | — | ACE: `GameActionType.RecallAllegianceHometown`. | MISSING |
-| `motd` | — | `DoMotd @ 0x00577150` | `[set \|clear]` | Displays, sets (monarch-only), or clears the allegiance MOTD. | MISSING |
-| `speaker` | — | `DoSpeaker @ 0x0057DAB0` | — | Prints exactly "This command is no longer in use, please see @allegiance officer.\n". Pure local. | MISSING (trivial) |
-
-### 2.5b Housing
-
-| Verb | Aliases | Handler @addr | Args | Behavior | acdream status |
-|---|---|---|---|---|---|
-| `house` | `hou` | `DoHouse @ 0x00580860` | ` [args]` | Subcommand verbs read out of the handler: `open`, `close`, `recall`/`re`, `mansion_recall`/`alleg_recall`/`ma`, `storage` (`DoHouseStorage @ 0x00579560`), `remove`, `boot` (`DoHouseBoot @ 0x00579970`), `boot_all`, `remove_all`, `guest` (`DoHouseGuests @ 0x005791A0`), `abandon`, `available`, `hooks`, `on`, `off`. | **PARTIAL** — `RetailClientCommandCatalog.TryMatch` (`RetailClientCommandCatalog.cs:279-301`) recognizes only `recall`, `mansion_recall`, `alleg_recall`. `hou`, `re`, `ma` and all 12 other subcommands are MISSING, **and the catalog swallows them locally** with an invalid-args message instead of letting them reach ACE. |
-| `hor` | `hr` | `DoHouseRecall @ 0x00570450` | — | IMPLEMENTED | **IMPLEMENTED** |
-| `hom` | `hoa` | `DoMansionRecall @ 0x005704B0` | — | IMPLEMENTED | **IMPLEMENTED** |
-| `hslist` | — | `DoHouseAvailableList @ 0x00570510` | `` | Lists available houses. ACE: `GameActionType.ListAvailableHouses`. | MISSING |
-
-### 2.6 Death / recall / PK
-
-| Verb | Aliases | Handler @addr | acdream status |
-|---|---|---|---|
-| `lifestone` | `lif`, `ls` | `DoLifestone @ 0x0056FC70` | **IMPLEMENTED** |
-| `marketplace` | `mar`, `mp` | `DoMarketplace @ 0x0056FCE0` | **IMPLEMENTED** |
-| `pkarena` | `pka` | `DoPKArena @ 0x005788D0` | **IMPLEMENTED** |
-| `pklarena` | `pla` | `DoPKLArena @ 0x005789D0` | **IMPLEMENTED** |
-| `pklite` | `pkl` | `DoPKLite @ 0x0057A490` | **PARTIAL** — `pkl` alias MISSING (`RetailClientCommandCatalog.cs:218` registers only `pklite`) |
-| `die` | — | `DoDie @ 0x00580050` | **IMPLEMENTED** |
-| `corpse` | `cor` | `DoCorpse @ 0x00578220` | **IMPLEMENTED** |
-| `consent` | — | `DoConsent @ 0x0057DDA0` | **IMPLEMENTED** |
-| `permit` | — | `DoPermit @ 0x005785A0` | `add ` / `remove ` — grants/revokes corpse-loot permission. ACE: `AddPlayerPermission` / `RemovePlayerPermission`. **MISSING** |
-
-### 2.7 Status / display
-
-| Verb | Aliases | Handler @addr | Args | Behavior | acdream status |
-|---|---|---|---|---|---|
-| `age` | — | `DoAge @ 0x0057C5A0` | — | **IMPLEMENTED** |
-| `birth` | — | `DoBirth @ 0x0056E5F0` | — | **IMPLEMENTED** |
-| `day` | — | `DoDay @ 0x005706F0` | — | Toggles `LScape::m_fAlwaysDaylight` via `LScape::SetDay`, persists with `PlayerModule::SetPersistentAtDay`, echoes "Let there be light!" when enabling. Pure local. | MISSING |
-| `endurance` | — | `DoEndurance @ 0x0057C5F0` | — | Prints a fixed paragraph beginning "The endurance attribute has a nu…". Pure local text. | MISSING (trivial) |
-| `framerate` | — | `DoFrameRate @ 0x005707D0` | — | **IMPLEMENTED** |
-| `loc` | — | `DoLoc @ 0x0057A250` | — | **IMPLEMENTED** |
-| `version` | — | `DoVersion @ 0x0057E1B0` | — | Prints "Client version %s\n"; additionally prints "Using Turbine Chat.\n" when `IsUsingTurbineChat()`, and extra lines when `PlayerIsPSR()`. | **PARTIAL** — `ClientCommandController.cs:136` prints the version line only. |
-| `render` | — | `DoRenderOption @ 0x0057E120` | `[options]` | Forwards to `SmartBox::HandleRenderOption`, prints its two out-strings. Pure local dev/render toggle. | MISSING |
-
-### 2.8 Interface layout, emotes, social, components
-
-| Verb | Aliases | Handler @addr | acdream status |
-|---|---|---|---|
-| `saveui` / `loadui` / `saveautoui` / `loadautoui` / `lockui` | — | `0x0056FFF0` / `0x00570150` / `0x005702B0` / `0x00570330` / `0x005703B0` | **IMPLEMENTED** |
-| `emote` | `e`, `em`, `me` | `DoEmote @ 0x00578AD0` | **IMPLEMENTED** |
-| `emotes` | — | `DoEmoteList @ 0x0057BB30` | **IMPLEMENTED** |
-| `afk` | — | `DoAFK @ 0x0057B3F0` | **IMPLEMENTED** |
-| `friends` / `friends_add` / `friends_remove` | — | `0x0057BC00` / `0x00578FB0` / `0x00579080` | **IMPLEMENTED** |
-| `squelch` / `unsquelch` | — | `0x0057BF50` / `0x0057C070` | **IMPLEMENTED** |
-| `fillcomps` | — | `DoFillComponents @ 0x0056FD50` | **IMPLEMENTED** |
-
-### 2.9 Prefixes (not verbs)
-
-| Prefix | Site | Behavior | acdream status |
-|---|---|---|---|
-| `/` | `OnChatCommand @ 0x00581431` | Rewritten to `@`, then dispatched. | **IMPLEMENTED** — `RetailClientCommandCatalog.TryMatch` accepts both (`RetailClientCommandCatalog.cs:267`). |
-| `@` | `OnChatCommand @ 0x00581444` | Dispatched directly. | **IMPLEMENTED** |
-| `:` , `;` | `OnChatCommand @ 0x0058144D` | First char replaced with a space, line prefixed with `"@emote"`, then dispatched — `:waves` ≡ `@emote waves`. | **MISSING** |
-| trailing `,` on the verb | `DoCommand @ 0x0057E3CD` | Right-trimmed, so `@f, hi` ≡ `@f hi`. | **MISSING** — acdream's verb token keeps the comma, so `/f, hi` does not match any verb and is shipped to ACE as `@f,`. |
-
----
-
-## 3. Prioritized missing-command list
-
-Effort key: **L** = pure-local (no wire message); **W-have** = wire path already
-exists in acdream; **W-new** = needs a new game action.
-
-### Tier 1 — correctness bugs in what already ships (do these first)
-
-1. **`/g` is bound to General; retail binds it to Fellowship** (`0x800`).
- `ChatInputParser.cs:57`. One-line fix, but it silently sends fellowship
- chatter to a global channel today. **L**
-2. **`/rp` is bound to Roleplay; retail binds it to `reply`.** `ChatInputParser.cs:78`.
- Same class of bug (a private reply becomes a global broadcast). **L**
-3. **`/allegiance ` is bound to the Allegiance channel; retail's
- `allegiance`/`all` is the allegiance *management command*.** Channel verbs are
- `a`/`ab`/`guild`/`gu`. **L**
-4. **`/house ` is swallowed locally.** `RetailClientCommandCatalog.cs:288-296`
- returns a match with `HasValidArguments:false` for every unrecognized
- subcommand, so `@house open`, `@house guest add X`, `@house abandon` never
- reach ACE. Until `DoHouse` is ported, unrecognized `house` subcommands must
- fall through to `SendServerCommandCmd`. **L**
-5. **Verb-trailing-comma trim.** `@f, hi` / `@t Bob, hi` — retail right-trims `,`
- off the verb in `DoCommand`. **L**
-6. **`/tell` splits on the first comma, not the first space.** `ChatInputParser.cs:208`.
- Multi-word names break today. **L**
-
-### Tier 2 — pure-local commands, no wire work
-
-7. `:` / `;` emote prefixes (`OnChatCommand` case 0x0B/0x0C). **L**
-8. `@day` — daylight toggle + `SetPersistentAtDay`. **L**
-9. `@endurance` — fixed help paragraph. **L**
-10. `@speaker` — fixed deprecation line. **L**
-11. `@title ` — chat window title. **L**
-12. `@log [file]` — chat-to-file logging. **L**
-13. `@version` — add the "Using Turbine Chat." line. **L**
-14. `@render` — `SmartBox::HandleRenderOption` equivalent (acdream has no SmartBox;
- map to the existing quality/debug toggles or leave as a documented divergence). **L**
-15. `@help ` / `@help ` + the 7 group nodes (`commands`,
- `allegiances`, `channels`, `chatting`, `death`, `status`, `text`). The exact
- retail help strings for all 57 `Help*` functions are recoverable from the
- binary — see §4 for the extraction recipe. **L**
-16. **Missing aliases on already-implemented commands** (one dictionary edit
- each): `pkl`, `hou`, `message_types`, `msgtypes`, `msg_types`, `rt`, `send`,
- `whisper`, `w`, `vassal`, `covassal`, `co-vassals`, `c`, `fellows`, `group`,
- `party`, `guild`, `gu`, `cg`, `ct`, `clfg`, `crp`, `soc`, `o`, `ab`.
- Also delete the non-retail inventions `gen`, `cv`, `lookingforgroup`, `tr`,
- `role`, `h`. **L**
-
-### Tier 3 — wire messages acdream already has
-
-17. `@chat on|off` and `@notell on|off` — both are `ModifyGlobalSquelch` with
- message types 2 and 3. acdream already wires `ModifyGlobalSquelch` for
- `/filter`. **W-have**
-18. `@join` / `@leave ` — set `PlayerModule::SetHear*Chat`; these ride the
- existing character-options path. **W-have**
-
-### Tier 4 — new game actions (ACE-side handlers all exist)
-
-19. `@permit add|remove ` — ACE `AddPlayerPermission` / `RemovePlayerPermission`. **W-new**
-20. `@hslist ` — ACE `ListAvailableHouses`. **W-new**
-21. `@index` / `@clist` / `@on` / `@off` — ACE `IndexChannels`, `ListChannels`,
- `AddChannel`, `RemoveChannel`. **W-new** (four small parameterless/one-dword actions)
-22. `@allegiance ` — the 12-subcommand dispatcher. ACE handlers exist for
- every one (`AllegianceInfoRequest`, `AllegianceChatBoot`, `AddAllegianceBan`,
- `SetAllegianceOfficer`, `SetAllegianceOfficerTitle`, `RecallAllegianceHometown`,
- `SetAllegianceName`, `DoAllegianceLockAction`, `DoAllegianceHouseAction`, …).
- Largest single item; deserves its own slice. **W-new**
-23. `@house ` — 15 subcommands; ACE handlers exist (`SetOpenHouseStatus`,
- `ChangeStoragePermission`, `BootSpecificHouseGuest`, `HouseBootAll`,
- `AbandonHouse`, `HouseQuery`, `ModifyAllegianceGuestPermission`, …). **W-new**
-24. `@motd [set|clear]` — allegiance MOTD. **W-new**
-25. `@ab` — allegiance broadcast. **W-new**
-26. `@alh` / `@ah` — `RecallAllegianceHometown`. **W-new**
-27. Turbine-chat verbs as *Turbine* sends (`SendTurbineChat`) rather than plain
- `ChannelBroadcast`. acdream already ships the 0xF7DE TurbineChat path, so
- this is a routing decision, not new wire work. **W-have**
-
-### Explicitly do NOT implement
-
-- `@mr`, `@pr` — registered with a **null function pointer** in the 2013 build.
- Retail ships them as help text only; the command itself falls through to the
- server. Implementing them client-side would be a divergence.
-- The 22 fallback-only channel tags (`abuse`, `admin`, `audit`, `advocate*`,
- `sentinel`, `celhan`, `eldweb`, `radblo`, `ol`, …) are GM/faction channels.
- They are reachable in retail only through `DoChannelCommand`'s fallback; the
- cheapest faithful port is to add the `GetChannelID` table and let the existing
- unknown-verb path consult it before falling back to `SendServerCommandCmd`.
-- `@loadfile` — a client-side script player that re-enters `OnChatCommand` for
- every line of an arbitrary file. Faithful, but it is a scripting surface;
- acdream already has a designed plugin API for that, so porting `@loadfile`
- should be an explicit product decision, not a parity checkbox.
-
----
-
-## 4. Counts
-
-| Measure | Count |
-|---|---|
-| Verbs registered by `InitializeCommands @ 0x00581970` | **116** |
-| Verbs added by `StartupTurbineChatSystem @ 0x0057EFB0` | 15 (14 net-new; `a` is replaced) |
-| **Total registered verbs** | **130** |
-| …of which have a **null** `func` (help-only nodes) | 9 (`commands`, `allegiances`, `channels`, `chatting`, `death`, `status`, `text`, `mr`, `pr`) |
-| Distinct handler functions behind those verbs | 68 (61 base + 7 Turbine) |
-| Additional verbs reachable via the `GetChannelID` fallback (unregistered) | 22 |
-| **Total client-parsed verbs** | **152** |
-| Prefixes with special parsing | 4 (`/`, `@`, `:`, `;`) |
-
-acdream, against the 130 registered verbs. Every verb is in exactly one row, so
-the column sums to 130.
-
-| Status | Verbs | Where |
-|---|---|---|
-| IMPLEMENTED — typed `ExecuteClientCommandCmd` | **45** (33 `ClientCommandId` values) | `RetailClientCommandCatalog.cs` + `ClientCommandController.cs` |
-| PARTIAL via typed catalog | **1** — `house` (3 of 15 subcommands, and it swallows the rest) | `RetailClientCommandCatalog.cs:279` |
-| IMPLEMENTED-EQUIVALENT — chat alias → `SendChatCmd` | **21** | `ChatInputParser.cs` |
-| PARTIAL via chat alias (argument shape wrong) | **3** — `tell` (space-split, not comma-split), `reply` (by name, not guid), `retell` | `ChatInputParser.cs` |
-| PARTIAL via local presentation | **2** — `help`, `?` (flat blob; no per-command or group help) | `ChatCommandRouter.cs:96` |
-| DIVERGENT — bound, wrong target | **3** — `g`→General (retail Fellowship), `rp`→Roleplay (retail reply), `allegiance`→channel (retail command) | `ChatInputParser.cs` |
-| **MISSING** | **55** | — |
-| **Total registered** | **130** | |
-
-Plus **22** unregistered `GetChannelID` fallback tags, all MISSING → **77**
-client-parsed verbs unimplemented out of 152.
-
-Reading note: the §2 tables mark `messagetypes`, `pklite` and `version` PARTIAL
-because an *alias* or an *output line* is missing. The counts above are
-per-verb, so those three verbs sit in IMPLEMENTED while their missing aliases
-(`message_types`, `msgtypes`, `msg_types`, `pkl`) are counted as four separate
-MISSING verbs.
-
-Everything not in the table above reaches ACE correctly as
-`SendServerCommandCmd` → Talk (`ChatCommandRouter.cs:62`), which matches retail's
-own final fallback (`DoCommand` → `Event_Talk`) except that retail consults the
-channel-tag table first.
-
-acdream verbs with **no retail counterpart** (candidates for removal):
-`/h`, `/gen`, `/cv`, `/lookingforgroup`, `/tr`, `/role`.
-
----
-
-## 5. Reproduction recipes
-
-Verb table (authoritative, resolves BN's mislabeled pooled strings):
-
-```
-# scan InitializeCommands for `push imm32` operands that point at short
-# ASCII strings in .rdata — one per registered verb, in registration order
-python pushes.py 581970 585520 # 116 verbs
-python pushes.py 57efb0 57f9e0 # 15 Turbine verbs
-```
-
-Handler pairing: `sed -n '396604,399712p' acclient_2013_pseudo_c.txt` and read
-the `CmdHashData::CmdHashData(ptr, &name, , nullptr)` call (later blocks)
-or the `*(esi + 8) = ` / `*(esi + 0x10) = ` stores (first ~22
-blocks — BN renders the same code two different ways).
-
-Exact retail help text for all 57 `Help*` functions: scan each
-`ClientCommunicationSystem::Help*` symbol's byte extent for `push imm32` into
-`.rdata` and read the C string. This recovered, verbatim, every usage line and
-group listing quoted in §2 (e.g. the `@tell` comma requirement, the `@afk msg`
-192-character limit, the `@hslist` house types).
-
-`ChannelSystem::GetChannelID @ 0x005CF1F0`: alternate `push imm32` (tag) and
-`mov eax, imm32` (channel id) down the function; the id immediately precedes the
-next tag group.
-
-Cross-checks performed: ACE `GameActionTalk.cs:21` (the `@`-passthrough
-contract) and the `GameActionType` enumeration (confirms server-side handlers
-exist for every Tier-4 item). holtburger's `commands.rs` was consulted and
-**rejected as an oracle for aliases** — it binds `/g` to Allegiance and `/p` to
-Fellowship, which matches neither retail nor acdream.
diff --git a/docs/research/2026-08-09-chat-retail-interface-text.md b/docs/research/2026-08-09-chat-retail-interface-text.md
deleted file mode 100644
index fc2d8785..00000000
--- a/docs/research/2026-08-09-chat-retail-interface-text.md
+++ /dev/null
@@ -1,931 +0,0 @@
-# Retail's transient on-screen "interface text" — the SpewBox
-
-**Date:** 2026-08-09
-**Status:** RESEARCH ONLY. No production code changed.
-**Oracle:** `docs/research/named-retail/acclient_2013_pseudo_c.txt` (Sept 2013 EoR
-build, PDB-named), `docs/research/named-retail/symbols.json`,
-`docs/research/named-retail/acclient.h`, plus byte-level string recovery from the
-PDB-paired binary `C:\Users\erikn\Downloads\acclient.exe` (v11.4186, CodeView GUID
-`9e847e2f-777c-4bd9-886c-22256bb87f32`). Server-side cross-check against
-`references/ACE/` and `references/holtburger/`.
-
----
-
-## TL;DR
-
-The system is called the **SpewBox** — `gmSpewBoxUI` @ `0x004D5A30`.
-
-The routing rule is one line: **`ClientSystem::AddTextToScroll(text, type, ...)`
-broadcasts one notice to every text sink, and the sinks self-select — the SpewBox
-takes `type == 0x1A` and nothing else, while every `ChatInterface` window is
-constructed with a 64-bit type filter that has bit 26 (`1 << 0x1A`) cleared, so
-`0x1A` is exactly the type the chat window refuses and the SpewBox accepts.**
-
-**23 client-raised local refusal sites** were found (11 distinct message strings),
-none of which involve a server round-trip. All of them use type `0x1A`.
-
----
-
-## 1. System identification
-
-### 1.1 The display element
-
-| Symbol | Address | Role |
-|---|---|---|
-| `gmSpewBoxUI::gmSpewBoxUI` | `0x004D5A30` | ctor; derives from `UIElement_Field` + `NoticeHandler` |
-| `gmSpewBoxUI::Create` | `0x004D5C30` | factory (`operator new(0x610)`) |
-| `gmSpewBoxUI::Register` | `0x004D5DD0` | `UIElement::RegisterElementClass(0x10000016, gmSpewBoxUI::Create)` |
-| `gmSpewBoxUI::GetUIElementType` | `0x004D5AA0` | returns `0x10000016` |
-| `gmSpewBoxUI::PostInit` | `0x004D5AB0` | binds the child ListBox, reads max-items, registers for notice `0x186B6` and global message `3` |
-| `gmSpewBoxUI::RecvNotice_DisplayFinalStringInfo` | `0x004D60A0` | **the type filter** — `if (arg2 == 0x1A) m_spewBoxPending.AddToEnd(str)` |
-| `gmSpewBoxUI::Update` | `0x004D5DF0` | drains the pending queue into the ListBox |
-| `gmSpewBoxUI::ListenToGlobalMessage` | `0x004D6090` | `if (msg == 3) Update()` |
-| `gmSpewBoxUI::ListenToElementMessage` | `0x004D57C0` | `if (idElement == 0x1000004A && idMessage == 0x10000003) DeleteItem()` — the expiry hook |
-| `gmSpewBoxUI::~gmSpewBoxUI` | `0x004D5BD0` | unregisters |
-
-It is registered alongside the rest of the HUD in the element-class registration
-block at `0x0047A4A6` (`gmClient` init), between `gmSmartBoxUI::Register()` and the
-`gmFloaty*UI` family.
-
-### 1.2 The router
-
-| Symbol | Address | Role |
-|---|---|---|
-| `ClientSystem::AddTextToScroll(PStringBase, uint type, uint8 allowPluginFilter, uint windowId)` | `0x00563C50` | **the single chokepoint** for all player-visible text |
-| `ClientSystem::AddTextToScroll(PStringBase, ...)` | `0x004C2420` | narrow-string overload → widens → above |
-| `ClientSystem::AddTextToScroll(char const*, ...)` | `0x00487FC0` | literal overload → widens → above |
-| `ECM_UI::SendNotice_DisplayFinalStringInfo` | `0x00692550` | broadcast to notice id `0x186B6` |
-| `ECM_UI::SendNotice_DisplayStringInfo` | `0x006925B0` | broadcast to notice id `0x186A5` |
-| `ECM_UI::SendNotice_DisplayWeenieError` | `0x00692600` | broadcast to notice id `0x186B7` |
-| `ClientCommunicationSystem::RecvNotice_DisplayStringInfo` | `0x0056E890` | notice `0x186A5` → `AddTextToScroll` |
-| `ClientCommunicationSystem::RecvNotice_DisplayWeenieError` | `0x0057E700` | notice `0x186B7` → `HandleFailureEvent` |
-| `ClientCommunicationSystem::HandleFailureEvent(uint errorId, PStringBase param)` | `0x00571990` | **the error-id → text + destination switch** (339 cases) |
-| `ChatInterface::RecvNotice_DisplayFinalStringInfo` | `0x004F4640` | the chat-window sink |
-| `ChatInterface::TypeIsActive` | `0x004F2F10` | `(m_llTextTypeFilter >> type) & 1` |
-| `ChatInterface::ChatInterface` (ctor) | `0x004F4550` | sets the default filter — see §2.2 |
-| `ChatInterface::BuildChatColorLookupTable` | `0x004F31C0` | per-type chat colors |
-
-### 1.3 The wire entry points
-
-| Symbol | Address | Opcode | Behaviour |
-|---|---|---|---|
-| `ClientCommunicationSystem::Handle_Communication__TextboxString` | `0x0057D3A0` | **`0xF7E0`** (`ServerMessage`) | squelch check, then `AddTextToScroll(text, wireChatType, 1, 0)` — **the wire type decides the destination** |
-| `ClientCommunicationSystem::Handle_Communication__TransientString` | `0x0057D460` | **`0x02EB`** (GameEvent) | `AddTextToScroll(text, 0x1A, 1, 0)` — **hardcoded to the SpewBox** |
-| `ClientCommunicationSystem::Handle_Communication__PopUpString` | `0x0057FE80` | **`0x0004`** (GameEvent) | builds a `PropertyCollection` and calls `DialogFactory::MakeDialogInCurrentUI` — **a modal dialog, neither chat nor spew** |
-| `ClientCommunicationSystem::RecvNotice_DisplayWeenieError` | `0x0057E700` | **`0x028A` / `0x028B`** | → `HandleFailureEvent` → per-id destination |
-
-Dispatch table sites: `0x0055CA1F` (`0xF7E0`), `0x0055C581` (`0x02EB`),
-`0x0055B0BD` (event `0x0004`), all inside the `UIQueueManager` message switch that
-begins at `0x0055B000`.
-
----
-
-## 2. The routing model
-
-### 2.1 One broadcast, self-selecting sinks
-
-`ClientSystem::AddTextToScroll` @ `0x00563C50` does, in order:
-
-1. **Plugin veto.** If `allowPluginFilter != 0` and the plugin API is ready, call
- `IACPlugin::OnChatWindowText(bstr, type, &eat)`. If the plugin sets `eat`, the
- message is dropped entirely — it reaches neither chat nor spew.
- (`0x00563C7D`–`0x00563CB6`.)
-2. **Trim** trailing whitespace.
-3. **Censor.** If `PlayerModule::FilterLanguage()`, explode on spaces and replace
- any word failing `TabooTableAdaptor::CheckCensorsW` with `****`.
-4. **Branch on type** (`0x00563DE6`):
- - `type == 0x1A` → **skip the timestamp, skip the chat log file**, jump straight
- to the broadcast.
- - otherwise → prepend `%#H:%M:%S ` if `PlayerModule::DisplayTimeStamps()`, and
- `fprintf` the line to `ClientSystem::s_pLogFile` if a chat log is open.
-5. **Broadcast** `ECM_UI::SendNotice_DisplayFinalStringInfo(type, mainStr,
- prefixStr, windowId)`.
-
-That last call goes to *every* registered handler of notice `0x186B6`. There are
-exactly two kinds of subscriber:
-
-- **`gmSpewBoxUI`** (`0x004D60A0`): `if (type == 0x1A) enqueue`. Nothing else, and
- it ignores `windowId` entirely.
-- **`ChatInterface`** (`0x004F4640`), one per chat window:
- ```
- if (windowId == this->m_eWindowID) -> append
- else if (windowId == 0 && TypeIsActive(type)) -> append
- else -> ignore
- ```
-
-So the routing rule is a **type filter on the receiver side**, not a switch on the
-sender side. There is no "destination" field anywhere in the data.
-
-The fact that type `0x1A` is *skipped* for timestamping and chat-log-file writing
-(step 4) is the client author's own statement that `0x1A` is not chat.
-
-### 2.2 Why `0x1A` never appears in the chat window
-
-`ChatInterface::ChatInterface` @ `0x004F4550`:
-
-```
-0x004F45B8 this->m_llTextTypeFilter = 0xFFFFFFFF; // low dword
-0x004F45BE ((uint32*)&m_llTextTypeFilter)[1] = 0xFFFFFFFF; // high dword
-0x004F45F3 this->m_llTextTypeFilter &= 0xFBFFFFFF; // clear bit 26
-```
-
-`0xFBFFFFFF` = `~0x04000000` = `~(1 << 26)` = `~(1 << 0x1A)`.
-
-**Every chat window is born with every text type enabled except `0x1A`.** That is
-the whole mechanism. `TypeIsActive` @ `0x004F2F10` is just
-`(m_llTextTypeFilter >> type) & 1`.
-
-The filter is subsequently overwritten from a saved UI bitfield property
-(`InqBitfield64` at `0x004F3109` and `0x004F3984`), so in principle a chat window
-could be configured to show `0x1A` — but the shipped chat-options UI does not offer
-it, which is why ACE's `ChatMessageType.cs:255-259` concluded "Client doesn't
-display it" and commented `x1A` out. **That conclusion is wrong and worth
-recording:** the client does display `0x1A`, just not in the chat scroll.
-
-### 2.3 The complete destination model
-
-| Destination | Owner | Trigger |
-|---|---|---|
-| **Chat scroll** (one or more windows) | `ChatInterface` @ `0x004F4640` | `AddTextToScroll` with `type != 0x1A`, or with `windowId == this window` |
-| **SpewBox** (transient screen text) | `gmSpewBoxUI` @ `0x004D60A0` | `AddTextToScroll` with `type == 0x1A` |
-| **Modal dialog** | `DialogFactory::MakeDialogInCurrentUI` | `Handle_Communication__PopUpString` (event `0x0004`) only |
-| **Chat log file** | `ClientSystem::s_pLogFile` | `AddTextToScroll` with `type != 0x1A` |
-| **Plugin sink / veto** | `IACPlugin::OnChatWindowText` | every `AddTextToScroll` with `allowPluginFilter != 0` |
-| **(dropped)** | — | plugin sets the `eat` out-param |
-
-Note that a `type == 0x1A` message with a **non-zero `windowId`** lands in *both*
-the SpewBox and that specific chat window. This is exactly what slash-command
-output does: `ClientCommunicationSystem` emits its command responses as
-`AddTextToScroll(text, 0x1A, 1, this->m_idCurrentCommandSource)` (~40 sites from
-`0x0056EF3B` through `0x005707FB`), so a `/`-command's reply appears on screen
-*and* is echoed into the window you typed it in.
-
-### 2.4 Where the strings come from
-
-**Not from `client_local_English.dat`.** Every player-visible error string in this
-path is a **wide-char literal compiled into `acclient.exe`**:
-
-- `HandleFailureEvent` @ `0x00571990` builds each one inline
- (`PStringBase::PStringBase(&var, u"…")`) or via
- `PStringBase::sprintf(&s, u"The %s cannot be used …")` with the
- `0x028B` string parameter substituted.
-- The 11 movement/jump refusals are process-lifetime globals initialised by static
- ctors at `0x00708F00`–`0x00709180` (see §4).
-
-The DAT `StringTable` machinery (`StringInfo::SetTableEnum`,
-`StringInfo::SetStringIDandTableEnum`) exists and is used for **UI chrome** —
-option labels, tooltips, command aliases — but the failure-event text is hardcoded.
-`StringInfo::SetLiteralValue` is what the failure path uses.
-
-This matters for the port: **we do not need a DAT string table to reach parity on
-this feature.** A C# table keyed by `WeenieError` id is exactly what retail does.
-
----
-
-## 3. Presentation parameters
-
-### 3.1 What acclient owns (portable, measured)
-
-From `gmSpewBoxUI::PostInit` @ `0x004D5AB0` and `gmSpewBoxUI::Update` @ `0x004D5DF0`:
-
-| Behaviour | Evidence | Value |
-|---|---|---|
-| Backing widget | `0x004D5AD7` | a `UIElement_ListBox` found by `GetChildRecursive(0x10000049)` |
-| Mouse | `0x004D5AC4`, `0x004D5AFE` | the SpewBox and its ListBox are both `SetMouseVisible(0)` — **click-through** |
-| Background | `0x004D5ABB` | `SetShouldEraseBackground(1)` |
-| Max concurrent lines | `0x004D5B34` | ListBox property `0x10000028`; **defaults to 1** if the property is absent or unreadable |
-| Per-line widget | `0x004D5E42` | `CreateChildElementByEnum(parent=null, layoutEnum=0x10000012, elementId=0x1000004A)` — a DAT-authored `UIElement_Text` template |
-| Text preprocessing | `0x004D5E9C` | `trim(leading=0, trailing=1, whitespace)` — trailing whitespace stripped |
-| Sizing | `0x004D5EB1`–`0x004D5EE6` | resized to the ListBox's width, then `RecalculateGlyphList`, then resized again to the computed scrollable height (word wrap) |
-| **Dedupe** | `0x004D5EF6`–`0x004D5F91` | if the current item 0 has **byte-identical text**, that older item is deleted first. A repeated message refreshes in place instead of stacking. |
-| Insertion | `0x004D5F9F` | `InsertItem(item, 0)` — **newest at the top** |
-| Overflow | `0x004D5FB6` | if `count > m_maxConcurrentItems`, `DeleteItem(count - 1)` — **oldest drops off** |
-| Scroll | `0x004D601D` | `ScrollToShow(0)` after a batch |
-| Drain cadence | `0x004D5BA6`, `0x0045CFFB` | global message `3`, broadcast once per UI tick from `UIElementManager::UseTime` @ `0x0045CFD0` |
-| Expiry hook | `0x004D57D7` | the SpewBox deletes an item when it receives element message `0x10000003` from element id `0x1000004A` |
-
-The queue is a `SmartArray m_spewBoxPending`; `RecvNotice_*` only
-enqueues, `Update` only drains. Enqueue and display are decoupled by one frame.
-
-### 3.2 PRESENTATION-UNKNOWN (keystone / DAT-owned)
-
-These could **not** be established from acclient and must not be guessed:
-
-1. **Line lifetime / fade curve.** acclient never raises element message
- `0x10000003`. I searched every `BroadcastElementMessage` / `ForwardElementMessage`
- call site in the whole 66 MB listing: the only element message id above
- `0x10000000` that acclient itself raises is `0x10000004`
- (`0x004F0EC5`, a stat-type element). `UIElement` / `UIRegion` / `ElementDesc` /
- `LayoutDesc` expose no `Duration` / `Lifetime` / `Fade` / `Expire` member at all.
- **The timeout and any fade are owned by keystone.dll or by the authored
- `ElementDesc` behaviour of layout `0x10000012` element `0x1000004A`.**
- *Resolution path:* dump that LayoutDesc from `client_local_English.dat`, or set a
- cdb breakpoint on `gmSpewBoxUI::ListenToElementMessage` (`0x004D57C0`) in a live
- retail client and time the deltas between a message appearing and its removal.
-2. **Screen position and extent.** Authored in whatever LayoutDesc declares an
- element of class `0x10000016`. The natural host is the main game view
- (`gmSmartBoxUI`, LayoutDesc `0x2100000F`) but **this was not confirmed** — no
- dumped layout in `docs/research/retail-ui/` mentions it.
- *Resolution path:* enumerate LayoutDescs and look for element type `0x10000016`.
-3. **Font, size, justification, colour of the SpewBox line.** All from the same DAT
- template. In particular, the SpewBox does **not** use the chat colour table:
- `BuildChatColorLookupTable` writes to `ChatInterface::m_chatLog`, a different
- element tree entirely.
-4. **Max concurrent items in the shipped layout.** The code reads ListBox property
- `0x10000028`; the authored value is DAT data. The *code default* is 1.
-
-### 3.3 The chat-window colour table (adjacent, for completeness)
-
-`ChatInterface::BuildChatColorLookupTable` @ `0x004F31C0` assigns
-`RGBAColor` constants to text types. Colour values below are from
-`claude-memory/reference_retail_chat_colors.md` (dumped live via cdb, 2026-06-16).
-
-| Type(s) | Colour symbol | Addr | RGB |
-|---|---|---|---|
-| *default (all)* | `colorGreen` | `0x81C578` | 0.500, 1.000, 0.498 |
-| `0x02` | `colorWhite` | `0x81C4B8` | 1, 1, 1 |
-| `0x03 0x0A 0x13 0x1F` | (yellow, unnamed) | `0x81C4C8` | 1, 1, 0.247 |
-| `0x04 0x0B` | (unnamed, not yet read) | `0x81C4D8` | — |
-| `0x05` | `colorBrightPurple` | `0x81C4E8` | 1, 0.498, 1 |
-| `0x06 0x0F 0x15` | `colorDarkRed` | `0x81C4F8` | 1, 0.247, 0.247 |
-| `0x07 0x11` | `colorLightBlue` | `0x81C518` | 0.247, 0.749, 1 |
-| `0x08 0x09` | `colorPink` | `0x81C528` | 1, 0.588, 0.588 |
-| `0x0C` | `colorGrey` | `0x81C558` | 0.824, 0.824, 0.784 |
-| `0x0D` | `colorCyan` | `0x81C538` | 0.247, 0.863, 0.863 |
-| `0x0E 0x1B 0x1C 0x1D 0x1E 0x20` | `colorBlueGrey` | `0x81C548` | 0.706, 0.863, 0.941 |
-| `0x12 0x21` | (orange, unnamed) | `0x81C568` | 0.933, 0.573, 0.118 |
-| `0x16` | `colorLightRed` | `0x81C508` | 0.960, 0.459, 0.447 |
-| `0x1A` | `colorBrightRed` | `0x81C4A8` | 1, 0, 0 |
-
-Two things fall out of this table:
-
-- The `0x1A` row exists purely for the case where a user manually enables the
- filter bit. **It is not the SpewBox's colour.** Do not port it as such.
-- Types `0x20` and `0x21` are real and coloured. **ACE's `ChatMessageType` stops at
- `0x1F`** — the client's text-type space is wider than the server-side enum.
-
----
-
-## 4. Client-raised local errors (no server round-trip)
-
-Retail refuses several actions locally and prints the refusal itself. All of them
-land on type `0x1A`.
-
-### 4.1 The message globals
-
-Static ctors at `0x00708F00`–`0x00709180`. Strings recovered verbatim from the
-binary (the pseudo-C truncates at 33 chars).
-
-| Global | Full text | Used? |
-|---|---|---|
-| `cant_jump_position` | `You can't jump from this position` | yes (3 sites) |
-| `cant_jump_in_air` | `You can't jump while in the air` | yes (3 sites) |
-| `cant_jump_load` | `You're too loaded down to jump` | yes (3 sites) |
-| `cant_jump_stamina` | `You're too tired to jump!` | **dead in this build** |
-| `cant_jump_recent` | `You've jumped too recently!` | **dead in this build** |
-| `too_tired` | `You are too tired to move!` | yes (1 site) |
-| `cant_sit_combat` | `You can't sit down while in combat` * | yes (1 site) |
-| `cant_lie_down_combat` | `You can't lie down while in combat` * | yes (1 site) |
-| `cant_crouch_combat` | `You can't crouch while in combat` * | yes (1 site) |
-| `cant_emote_combat` | `You can't use chat emotes in combat` * | yes (1 site) |
-| `cant_emote_position` | `You can't use chat emotes from this position` * | yes (1 site) |
-
-\* these five were length-truncated in the listing; the prefixes are exact, the
-tails are the obvious completion and should be re-read from the binary before being
-committed as literals.
-
-### 4.2 Raise sites
-
-**Jump family** — the source of the codes is `CMotionInterp` and they are
-`WeenieError` ids, the same numbering the server uses.
-
-| Function | Addr | Codes it produces |
-|---|---|---|
-| `CMotionInterp::charge_jump` | `0x005281C0` | `0x49` if `CWeenieObject::CanJump(jump_extent)` fails; `0x48` if `forward_command` is a disallowed posture; `0` otherwise |
-| `CMotionInterp::jump_is_allowed` | `0x005282B0` | `0x24` if not on the ground; `0x47` if fully constrained or out of stamina; else defers to `jump_charge_is_allowed` / `motion_allows_jump` |
-
-| Consumer | Addr | Sites |
-|---|---|---|
-| `ClientCombatSystem::CommenceJump` | `0x0056AF90` | `0x0056AFE3` → `cant_jump_position` (0x48); `0x0056AFD7` → `cant_jump_load` (0x49); `0x0056AFCB` → `cant_jump_in_air` (fallback) |
-| `ClientCombatSystem::DoJump` | `0x0056B110` | `0x0056B29A` → `cant_jump_in_air` (0x24); `0x0056B27E` → `cant_jump_position` (0x48); `0x0056B262` → `cant_jump_load` (0x49) |
-| `ClientCommunicationSystem::HandleFailureEvent` | `0x00571990` | `0x00571DA1` (0x24), `0x00571D73` (0x48), `0x00571D8A` (0x49) — **the same three globals, reused for the server-sent ids** |
-
-That last row is the important one: retail reuses one string table for
-locally-detected and server-reported failures. The client-local path is a *latency
-optimisation over the server's own answer*, not a separate feature.
-
-**Movement / posture / emote family** — `CommandInterpreter::MovePlayer` @
-`0x006B3F40`, switching on `CPhysicsObj::DoMotion`'s return:
-
-| Code | Addr | Message | Emit |
-|---|---|---|---|
-| `0x3E` | `0x006B43E4` | `too_tired` | `ECM_UI::SendNotice_DisplayStringInfo(0x1A, ...)` |
-| `0x3F` | `0x006B4366` | `cant_crouch_combat` | same |
-| `0x40` | `0x006B43A4` | `cant_sit_combat` | same |
-| `0x41` | `0x006B43C4` | `cant_lie_down_combat` | same |
-| `0x42` | `0x006B43F6` | `cant_emote_combat` | same |
-| `0x44` | `0x006B4419` | `cant_emote_position` | same |
-
-These take the `SendNotice_DisplayStringInfo` path (notice `0x186A5`) rather than
-calling `AddTextToScroll` directly, but
-`ClientCommunicationSystem::RecvNotice_DisplayStringInfo` @ `0x0056E890` immediately
-forwards to `AddTextToScroll(str, 0x1A, 1, 0)`, so the outcome is identical.
-
-**Vendor family** — `0x004C4575`, `AddTextToScroll("You need an open vendor.", 0x1A, 1, 0)`.
-
-**Total: 23 client-raised sites, 6 enclosing functions, 11 distinct strings.**
-
-### 4.3 What is *not* client-raised
-
-Retail does **not** locally generate "You are too encumbered to carry that!" —
-`0x2A` arrives from the server as `WeenieError` and is turned into text by
-`HandleFailureEvent`. Likewise spell fizzle (`0x0402`) is server-sent. ACE confirms
-this shape: `Player_Inventory.cs` sends the encumbrance message as
-`GameEventCommunicationTransientString` (`0x02EB`) rather than as a `WeenieError`
-at all, and `Player_Magic.cs:918` sends `SendWeenieError(YourSpellFizzled)`.
-
----
-
-## 5. What the server sends (ACE cross-check)
-
-| Opcode | Class | Payload | Client destination |
-|---|---|---|---|
-| `0xF7E0` `ServerMessage` | `GameMessageSystemChat` | `string16L text`, `u32 chatType` | `AddTextToScroll(text, chatType, 1, 0)` — chat *or* spew depending on the type |
-| GameEvent `0x02EB` `CommunicationTransientString` | `GameEventCommunicationTransientString` | `string16L text` only, **no type field** | hardcoded `0x1A` → **SpewBox** |
-| GameEvent `0x028A` `WeenieError` | `GameEventWeenieError` | `u32 errorId` | `HandleFailureEvent` → per-id (see appendix) |
-| GameEvent `0x028B` `WeenieErrorWithString` | `GameEventWeenieErrorWithString` | `u32 errorId`, `string16L param` | same, with `%s` substitution |
-| GameEvent `0x0004` `PopUpString` | — | `string16L text` | `DialogFactory::MakeDialogInCurrentUI` → modal dialog |
-
-ACE never resolves a `WeenieError` id to text — it always writes the bare u32
-(`references/ACE/Source/ACE.Server/Network/GameEvent/Events/GameEventWeenieError.cs`).
-**The client owns every error string.** `0x48 = YouCantJumpFromThisPosition`,
-`0x49 = CantJumpLoadedDown` (ACE marks the latter "client side only", consistent
-with our `charge_jump` finding).
-
-`references/holtburger/` is **not** a useful oracle here: it flattens `0x02EB` into
-a plain system chat line
-(`crates/holtburger-core/src/client/messages.rs:268-275`) and has no transient
-destination at all. It *is* a useful oracle for id→text: its hand-written
-`format_weenie_error` table (`crates/holtburger-core/src/errors.rs`) covers ~60
-ids, and its `is_actually_weenie_error()` allowlist (`errors.rs:302-315`) correctly
-notes that several "errors" are success notices.
-
----
-
-## 6. acdream gap list
-
-Verified against the worktree at `.claude/worktrees/eloquent-hugle-42119e`.
-
-### 6.1 Routing
-
-| Retail | acdream today | Gap |
-|---|---|---|
-| One `AddTextToScroll(text, type, ...)` chokepoint feeding N self-selecting sinks | `GameEventWiring.cs:223/228` calls `chat.OnWeenieError(...)`; `LiveSessionEventRouter.cs:268` calls `Chat.OnSystemMessage(text, chatType)` | **No chokepoint, no sink model.** Every producer writes directly into `ChatLog`. |
-| Destination decided by text type on the receiver | `ChatLog` is the only destination | **The whole transient destination is missing.** |
-| Text type `0x1A` = SpewBox | wire `chatType` *is* parsed and stored in `ChatEntry.ChannelId` but **never read for display**; colour comes solely from the 9-value `ChatKind` enum (`ChatWindowController.cs:542-555`) | The discriminator we need is on the wire, captured, and then thrown away. |
-| 34-value text-type space (0x00–0x21) | no enum mirroring it — `ChatKind` (9 buckets), `TurbineChat.ChatType` (rooms), `ChatChannelKind` (outbound) are all different axes | **Missing enum.** Raw `0x1Au` literals already appear at `InteractionRetainedUiComposition.cs:348/418/756/771` and `SessionPlayerComposition.cs:1128` with no name. |
-| `0x02EB CommunicationTransientString` → always spew | **not wired at all** | Missing message. |
-| `0x0004 PopUpString` → modal dialog | `GameEventWiring.cs:126` `chat.OnPopup(...)` → `ChatLog` | Wrong destination (retail opens a dialog). Out of scope for this port but worth a register row. |
-| Plugin veto hook `OnChatWindowText(text, type, &eat)` | none | Missing; note it for the plugin API. |
-| Timestamp + chat-log-file suppressed for `0x1A` | n/a | Falls out of the port if the sink split is done right. |
-
-### 6.2 Presentation
-
-`PortalWaitNoticeController` (`src/AcDream.App/UI/PortalWaitNoticeController.cs`) is
-the closest existing thing: a single centred full-screen `UiText`, `ClickThrough`,
-`ZOrder = int.MaxValue`, ported from `gmSmartBoxUI::UseTime`. It is a **single
-overwrite-only slot with no queue, no timeout, no fade** — structurally the right
-shape but missing every SpewBox behaviour (bounded queue, newest-on-top, dedupe
-against the newest, per-line expiry).
-
-`TextRenderer` + `BitmapFont` (`src/AcDream.App/Rendering/`) are a 2D screen-space
-quad batcher and an ASCII atlas — primitives with no message concept.
-`DebugVM.ToastKind`/`AddToast` is a 25-deep ring rendered **inside the ImGui dev
-panel only** (`DebugPanel.cs:88`), explicitly documented as "no on-screen flash".
-
-There is **no** spew-box panel, controller, or element id anywhere in `src/` — a
-tree-wide grep for `Spew` returns zero hits.
-
-### 6.3 Strings
-
-Two unrelated hardcoded maps exist and neither covers the SpewBox set:
-
-- `src/AcDream.Core/Chat/WeenieErrorMessages.cs` — ~30 no-param + ~28 with-string
- templates, fallback `"WeenieError 0x{code:X4}"`.
-- `src/AcDream.Core.Net/Messages/WeenieErrorText.cs` — 4 codes, used only by the
- `UseDone` handler.
-
-Neither has `0x0048` or `0x0049`. A server-sent `0x48` renders today as the literal
-string `WeenieError 0x0048`. Retail has 339 ids in its switch.
-
-### 6.4 Client-raised errors — the sharpest gap
-
-`src/AcDream.Core/Physics/MotionInterpreter.cs` **already computes the right codes**:
-`JumpChargeIsAllowed` (`:1762-1773`), `ChargeJump` (`:1827-1851`, an explicit port
-of `CMotionInterp::charge_jump @ 0x005281C0`), `JumpIsAllowedSharedGate`
-(`:2052-2070`). They are unit-tested
-(`tests/AcDream.Core.Tests/Physics/MotionInterpreterJumpFamilyTests.cs`).
-
-They are then **discarded**:
-
-- `src/AcDream.Runtime/Gameplay/PlayerMovementController.cs:2473` —
- `_motion.ChargeJump();` with the return value not assigned to anything.
-- `PlayerMovementController.cs:2484-2514` — `var jumpResult = _motion.jump(...)`,
- `if (jumpResult == WeenieError.None) { ...launch... }`, **no `else`**. On refusal
- the controller resets `_jumpCharging` / `_jumpExtent` and returns silently.
-
-So the player sees the power bar drain and nothing happen. **No code path in acdream
-carries a locally-produced `WeenieError` to any display surface** — the only
-`WeenieError → text` conversions are triggered by inbound wire events.
-
----
-
-## 7. Recommended port shape
-
-Layered per `docs/architecture/acdream-architecture.md` and the Code Structure Rules.
-
-### 7.1 `AcDream.Core` — the type space and the strings
-
-1. **`AcDream.Core/Chat/TextMessageType.cs`** — a `uint`-backed enum mirroring the
- client's 0x00–0x21 space, not ACE's truncated 0x00–0x1F. Names from ACE's
- `ChatMessageType` where they exist; `SpewBox = 0x1A` for the one retail leaves
- unnamed; explicit placeholders for `0x20`/`0x21` (coloured in retail, unnamed in
- every server-side oracle). This retires the raw `0x1Au` literals already
- scattered through `InteractionRetainedUiComposition` and
- `SessionPlayerComposition`.
-2. **Extend `WeenieErrorMessages`** into the full retail table: `(id) → (template,
- TextMessageType)`. The `TextMessageType` column *is* the routing decision, taken
- verbatim from `HandleFailureEvent` — the appendix below is the transcription.
- Keep `_`/`{0}` interpolation for the `0x028B` parameter. Fold
- `WeenieErrorText.cs` into it (it is a 4-entry duplicate).
-3. **`ClientTextRefusals`** — the 11 client-local literals from §4.1 as named
- constants, so the jump/posture sites and the `HandleFailureEvent` table share
- one string exactly as retail does.
-
-### 7.2 `AcDream.Core` / `AcDream.Runtime` — the chokepoint and the sinks
-
-4. **One router**, the direct analogue of `ClientSystem::AddTextToScroll`:
- `AddText(string text, TextMessageType type, uint windowId = 0)`. It owns:
- trim → (future) plugin veto → branch: `type == SpewBox` bypasses timestamp and
- log-file, everything else does not → publish one event.
- Given J4.1, the natural owner is **`RuntimeCommunicationState`**
- (`src/AcDream.Runtime/...`), which already owns the canonical transcript. It
- should expose *two* borrowed views: the existing chat transcript and a new
- **`SpewBoxState`**.
-5. **`SpewBoxState`** in Runtime — pure state, no presentation:
- - pending queue drained once per tick (retail's global message 3),
- - `MaxConcurrentItems` (retail code default 1; the shipped value is DAT data —
- see the open question in §8),
- - insert at index 0,
- - **dedupe against index 0 only** (identical text deletes the older entry first),
- - drop index `count-1` on overflow,
- - per-entry expiry timestamp. Retail's expiry lives in keystone; until it is
- measured, this is a **divergence needing a register row** (see §7.5).
-6. **Rewire the producers**: `GameEventWiring` `0x028A`/`0x028B` →
- look up `(template, type)` → router. New `0x02EB` handler → router with
- `type = SpewBox`. `LiveSessionEventRouter:268` (`0xF7E0`) → router with the wire
- `chatType` instead of `Chat.OnSystemMessage`.
-7. **Wire the local refusals.** `PlayerMovementController.cs:2473` and `:2484-2514`
- currently drop `WeenieError` values on the floor. Give both an `else` that calls
- the router with the matching string at `TextMessageType.SpewBox`. Same for the
- posture/emote family if/when `CommandInterpreter::MovePlayer` is ported.
-
-### 7.3 `AcDream.UI.Abstractions` — the contract
-
-8. A `SpewBoxVM` snapshot (ordered lines + remaining lifetime) beside the existing
- `ChatVM`, per Code Structure Rule 3. Panels must not reach into Runtime.
-
-### 7.4 `AcDream.App` — presentation
-
-9. A `SpewBoxController` next to `PortalWaitNoticeController`, using the same proven
- pattern: full-width `UiText` block, `ClickThrough`, high `ZOrder`, newest line at
- the top. `PortalWaitNoticeController` is the template to copy — it is already the
- right kind of object, it just holds one slot instead of a bounded list.
-10. **Do not** reuse the chat colour table for it. The SpewBox colour is DAT-owned;
- until the layout is dumped, pick a placeholder and put a register row on it.
-
-### 7.5 Divergence-register rows this port must add
-
-Per the mandatory bookkeeping rule, the following are deviations at the moment of
-landing and each needs a row in
-`docs/architecture/retail-divergence-register.md` **in the same commit**:
-
-- SpewBox line lifetime / fade curve is invented, not measured (keystone-owned) —
- risk: lines linger or vanish visibly faster/slower than retail.
-- SpewBox screen position / font / colour are invented until the LayoutDesc is
- dumped — risk: text in the wrong place or the wrong colour.
-- `MaxConcurrentItems` uses the code default (1) rather than the authored DAT value
- — risk: bursts of refusals collapse to one visible line where retail shows N.
-- `0x0004 PopUpString` continues to route to chat rather than a modal dialog.
-
----
-
-## 8. Open questions / next steps
-
-1. **Which LayoutDesc hosts the SpewBox?** Enumerate LayoutDescs in
- `client_local_English.dat` for an element of type `0x10000016`. That yields
- position, extent, and the ListBox's `0x10000028` max-items property.
-2. **What is the line lifetime?** Two options, both cheap:
- (a) dump layout enum `0x10000012` element `0x1000004A` and read the authored
- behaviour; (b) attach cdb to live retail with a breakpoint on
- `gmSpewBoxUI::ListenToElementMessage` @ `0x004D57C0` and on
- `gmSpewBoxUI::RecvNotice_DisplayFinalStringInfo` @ `0x004D60A0`, then spam
- `You can't jump while in the air` and diff the timestamps. Option (b) also
- answers "does it fade or does it pop?" if the item's alpha is sampled.
-3. **What is `0x81C4D8`?** The one chat colour not yet read (types `0x04`/`0x0B`).
- Trivial to grab in the same cdb session (`dd 0x81c4d8 L4`).
-4. **Re-read the five truncated posture/emote literals** from the binary before
- committing them.
-5. Should the plugin `OnChatWindowText` veto hook be part of the acdream plugin
- API? Retail lets a plugin suppress any line before it reaches any sink.
-
----
-
-## Appendix A — `HandleFailureEvent` routing table
-
-Transcribed from `ClientCommunicationSystem::HandleFailureEvent` @ `0x00571990`
-(339 cases). `Type` is the literal argument passed to
-`ClientSystem::AddTextToScroll`, i.e. the routing decision:
-
-- **`0x1A`** → **SpewBox** (transient on-screen), 119 ids
-- **`0x00`** → chat, default/broadcast colour (green), 162 ids
-- **`0x07`** → chat, `Magic` channel (light blue), 58 ids
-
-`%s` is the `0x028B` string parameter. Strings are the full binary literals where
-recovery was unambiguous; `[AMBIG n]` marks a truncated prefix that matched *n*
-candidates in the binary (the shortest is shown) and must be re-read before use.
-
-| Error id | Type | Text |
-|---|---|---|
-| `0x017` | **0x1A** | You failed to go to non-combat mode. |
-| `0x01D` | **0x1A** | You're too busy! |
-| `0x01E` | **0x1A** | You must control both objects! |
-| `0x020` | **0x1A** | You must control both objects! |
-| `0x023` | **0x1A** | Unable to move to object! |
-| `0x024` | **0x1A** | *(no literal — uses a shared string global; see §4.1)* |
-| `0x026` | **0x1A** | That is not a valid command. |
-| `0x028` | **0x1A** | The item is under someone else's control! |
-| `0x029` | **0x1A** | You cannot pick that up! |
-| `0x02A` | **0x1A** | You are too encumbered to carry that! |
-| `0x02B` | 0x00 | cannot carry anymore.\n |
-| `0x036` | **0x1A** | Action cancelled! |
-| `0x037` | **0x1A** | Unable to move to object! |
-| `0x038` | **0x1A** | Unable to move to object! |
-| `0x039` | **0x1A** | Unable to move to object! |
-| `0x03A` | **0x1A** | You can't do that... you're dead! |
-| `0x03D` | **0x1A** | You charged too far! |
-| `0x03E` | **0x1A** | You are too tired to do that! |
-| `0x048` | **0x1A** | *(no literal — uses a shared string global; see §4.1)* |
-| `0x049` | **0x1A** | *(no literal — uses a shared string global; see §4.1)* |
-| `0x04A` | 0x00 | Ack! You killed yourself!\n |
-| `0x04D` | **0x1A** | Invalid PK status! |
-| `0x04E` | 0x07 | You fail to affect %s because you cannot affect anyone! [AMBIG 4] |
-| `0x050` | 0x07 | You fail to affect %s because beneficial spells do not affect %s! |
-| `0x051` | 0x07 | You fail to affect %s because you cannot affect anyone! [AMBIG 4] |
-| `0x052` | 0x07 | You fail to affect %s because %s is not a player killer! |
-| `0x053` | 0x07 | You fail to affect %s because you cannot affect anyone! [AMBIG 4] |
-| `0x054` | 0x07 | You fail to affect %s because you cannot affect anyone! [AMBIG 4] |
-| `0x3EF` | 0x00 | is not accepting gifts right now. |
-| `0x3F1` | **0x1A** | You failed to go to non-combat mode. |
-| `0x3F7` | **0x1A** | You are too fatigued to attack! |
-| `0x3F8` | **0x1A** | You are out of ammunition! |
-| `0x3F9` | **0x1A** | Your missile attack misfired! |
-| `0x3FA` | **0x1A** | You've attempted an impossible spell path! |
-| `0x3FE` | **0x1A** | You don't know that spell! |
-| `0x3FF` | **0x1A** | Incorrect target type |
-| `0x400` | **0x1A** | You don't have all the components for this spell. |
-| `0x401` | **0x1A** | You don't have enough Mana to cast this spell. |
-| `0x402` | 0x07 | Your spell fizzled.\n |
-| `0x403` | **0x1A** | Your spell's target is missing! |
-| `0x404` | **0x1A** | Your projectile spell mislaunched! |
-| `0x407` | **0x1A** | Your spell cannot be cast outside |
-| `0x40A` | **0x1A** | You are unprepared to cast a spell |
-| `0x40B` | **0x1A** | You've already sworn your Allegiance |
-| `0x40C` | **0x1A** | You don't have enough experience available to swear Allegiance |
-| `0x413` | **0x1A** | %s is already one of your followers |
-| `0x414` | **0x1A** | You are not in an allegiance! |
-| `0x416` | **0x1A** | %s cannot have any more Vassals |
-| `0x41D` | **0x1A** | You must be the leader of a Fellowship |
-| `0x41E` | **0x1A** | Your Fellowship is full |
-| `0x41F` | **0x1A** | That Fellowship name is not permitted |
-| `0x422` | **0x1A** | That channel doesn't exist. |
-| `0x423` | **0x1A** | You can't use that channel. |
-| `0x424` | **0x1A** | You're already on that channel. |
-| `0x425` | **0x1A** | You're not currently on that channel. |
-| `0x427` | **0x1A** | You cannot merge different stacks! |
-| `0x428` | **0x1A** | You cannot merge enchanted items! |
-| `0x429` | **0x1A** | You must control at least one stack! |
-| `0x432` | **0x1A** | Your craft attempt fails. |
-| `0x433` | **0x1A** | Your craft attempt fails. |
-| `0x434` | **0x1A** | Given that number of items, you cannot craft anything. |
-| `0x435` | **0x1A** | Your craft attempt fails. |
-| `0x437` | **0x1A** | Either you or one of the items involved does not pass the requirements for this craft interaction. |
-| `0x438` | **0x1A** | You do not have all the neccessary items. |
-| `0x439` | **0x1A** | Not all the items are avaliable. |
-| `0x43A` | **0x1A** | You must be at rest in peace mode to do trade skills. |
-| `0x43B` | **0x1A** | You are not trained in that trade skill. |
-| `0x43C` | **0x1A** | Your hands must be free. |
-| `0x43D` | 0x07 | You cannot link to that portal!\n |
-| `0x43E` | 0x00 | You have solved this quest too recently! |
-| `0x43F` | 0x00 | You have solved this quest too many times! |
-| `0x445` | 0x00 | This item requires you to complete a specific quest before you can pick it up! |
-| `0x45C` | 0x07 | Player killers may not interact with that portal! |
-| `0x45D` | 0x07 | Non-player killers may not interact with that portal! |
-| `0x45E` | **0x1A** | You do not own a house! |
-| `0x45F` | **0x1A** | You do not own a house! |
-| `0x466` | 0x07 | You must purchase Asheron's Call -- Dark Majesty to use this function. [AMBIG 6] |
-| `0x469` | 0x00 | You have used all the hooks you are allowed to use for this house. |
-| `0x46A` | 0x00 | doesn't know what to do with th… |
-| `0x474` | 0x07 | You must complete a quest to interact with that portal. |
-| `0x47F` | **0x1A** | You must own a house to use this command. |
-| `0x480` | **0x1A** | Your monarch does not own a mansion or a villa! |
-| `0x481` | **0x1A** | Your monarch does not own a mansion or a villa! |
-| `0x482` | **0x1A** | Your monarch has closed the mansion to the Allegiance. |
-| `0x488` | 0x00 | You must be above level %s to purchase this dwelling. |
-| `0x489` | 0x00 | You must be at or below level %s to purchase this dwelling. |
-| `0x48B` | 0x00 | You must be above allegiance rank %s to purchase this dwelling. |
-| `0x48C` | 0x00 | You must be at or below allegiance rank %s to purchase this dwelling. |
-| `0x48E` | **0x1A** | Your offer of Allegiance has been ignored. |
-| `0x48F` | **0x1A** | You are already involved in something! |
-| `0x490` | **0x1A** | You must be a monarch to use this command. |
-| `0x491` | **0x1A** | You must specify a character to boot. [AMBIG 2] |
-| `0x492` | **0x1A** | You can't boot yourself! |
-| `0x493` | **0x1A** | That character does not exist. |
-| `0x494` | **0x1A** | That person is not a member of your Allegiance! |
-| `0x495` | **0x1A** | No patron from which to break! |
-| `0x496` | 0x00 | Your Allegiance has been dissolved! |
-| `0x497` | 0x00 | Your patron's Allegiance to you has been broken! |
-| `0x498` | **0x1A** | You have moved too far! |
-| `0x499` | **0x1A** | That is not a valid destination! |
-| `0x49A` | **0x1A** | You must purchase Asheron's Call -- Dark Majesty to use this function. [AMBIG 6] |
-| `0x49B` | 0x07 | You fail to link with the lifestone! |
-| `0x49C` | 0x07 | You wandered too far to link with the lifestone! |
-| `0x49D` | 0x07 | You successfully link with the lifestone! |
-| `0x49E` | 0x07 | You must have linked with a lifestone in order to recall to it! |
-| `0x49F` | 0x07 | You fail to recall to the lifestone! |
-| `0x4A0` | 0x07 | You fail to link with the portal! |
-| `0x4A1` | 0x07 | You successfully link with the portal! |
-| `0x4A2` | 0x07 | You fail to recall to the portal! |
-| `0x4A3` | 0x07 | You must have linked with a portal in order to summon it! [AMBIG 2] |
-| `0x4A4` | 0x07 | You fail to summon the portal!\n |
-| `0x4A5` | 0x07 | You must have linked with a portal in order to summon it! [AMBIG 2] |
-| `0x4A6` | 0x07 | You fail to teleport!\n |
-| `0x4A7` | 0x07 | You have been teleported too recently! |
-| `0x4A8` | 0x07 | You must be an Advocate to interact with that portal. |
-| `0x4AA` | 0x07 | Players may not interact with that portal. |
-| `0x4AB` | 0x07 | You are not powerful enough to interact with that portal! |
-| `0x4AC` | 0x07 | You are too powerful to interact with that portal! |
-| `0x4AD` | 0x07 | You cannot recall to that portal! |
-| `0x4AE` | 0x07 | You cannot summon that portal!\n |
-| `0x4AF` | **0x1A** | The lock is already unlocked. |
-| `0x4B0` | **0x1A** | You can't lock or unlock that! |
-| `0x4B1` | **0x1A** | You can't lock or unlock what is open! |
-| `0x4B2` | 0x00 | The key doesn't fit this lock.\n |
-| `0x4B3` | **0x1A** | The lock has been used too recently. |
-| `0x4B4` | **0x1A** | You aren't trained in lockpicking! |
-| `0x4B5` | **0x1A** | You must specify a character to boot. [AMBIG 2] |
-| `0x4B6` | **0x1A** | Please use the allegiance panel to view your own information. |
-| `0x4B7` | **0x1A** | You have used that command too recently. |
-| `0x4B8` | 0x00 | You do not own that salvage tool! |
-| `0x4B9` | 0x00 | You do not own that salvage tool! |
-| `0x4BA` | 0x00 | You do not own that salvage tool! |
-| `0x4BD` | 0x00 | You do not own that salvage tool! |
-| `0x4BE` | 0x00 | You do not own that item!\n |
-| `0x4BF` | **0x1A** | The %s was not suitable for salvaging. |
-| `0x4C0` | **0x1A** | The %s contains the wrong material. |
-| `0x4C1` | 0x00 | The material cannot be created.\n |
-| `0x4C2` | 0x00 | The list of items you are attempting to salvage is invalid. |
-| `0x4C3` | 0x00 | You cannot salvage items that you are trading! |
-| `0x4C4` | 0x07 | You must be a guest in this house to interact with that portal. |
-| `0x4C5` | **0x1A** | Your Allegiance Rank is too low to use that item's magic. |
-| `0x4C6` | **0x1A** | You must be %s to use that item's magic. |
-| `0x4C7` | **0x1A** | Your Arcane Lore skill is too low to use that item's magic. |
-| `0x4C8` | **0x1A** | That item doesn't have enough Mana. |
-| `0x4C9` | **0x1A** | Your %s is too low to use that item's magic. |
-| `0x4CA` | **0x1A** | Only %s may use that item's magic. |
-| `0x4CB` | **0x1A** | You must have %s specialized to use that item's magic. |
-| `0x4CC` | 0x07 | You have been involved in a player killer battle too recently to do that! |
-| `0x4CE` | 0x00 | is too busy to accept gifts right now. |
-| `0x4CF` | 0x00 | cannot accept stacked objects. … |
-| `0x4D0` | 0x00 | You have failed to alter your skill. |
-| `0x4D1` | 0x00 | Your %s skill must be trained, not untrained or specialized, in order to be altered in this way! |
-| `0x4D2` | 0x00 | You do not have enough skill credits to specialize your %s skill. |
-| `0x4D3` | 0x00 | You have too many available experience points to be able to absorb the experience points from your %s skill. Please spend some of your experience points and try again. |
-| `0x4D4` | 0x00 | Your %s skill is already untrained! |
-| `0x4D5` | 0x00 | You are currently wielding items which require a certain level of %s. Your %s skill cannot be lowered while you are wielding these items. Please remove these items and try again. [AMBIG 2] |
-| `0x4D6` | 0x00 | You have succeeded in specializing your %s skill! |
-| `0x4D7` | 0x00 | You have succeeded in lowering your %s skill from specialized to trained! |
-| `0x4D8` | 0x00 | You have succeeded in untraining your %s skill! |
-| `0x4D9` | 0x00 | Although you cannot untrain your %s skill, you have succeeded in recovering all the experience you had invested in it. |
-| `0x4DA` | 0x00 | You have too many credits invested in specialized skills already! Before you can specialize your %s skill, you will need to unspecialize some other skill. |
-| `0x4DD` | 0x00 | You have failed to alter your attributes. |
-| `0x4DE` | 0x00 | *(no literal — uses a shared string global; see §4.1)* |
-| `0x4DF` | 0x00 | *(no literal — uses a shared string global; see §4.1)* |
-| `0x4E0` | 0x00 | You are currently wielding items which require a certain level of %s. Your %s skill cannot be lowered while you are wielding these items. Please remove these items and try again. [AMBIG 2] |
-| `0x4E1` | 0x00 | You have succeeded in transferring your attributes! |
-| `0x4E2` | 0x00 | This hook is a duplicated housing object. You may not add items to a duplicated housing object. Please empty the hook and allow it to reset. |
-| `0x4E3` | 0x00 | That item is of the wrong type to be placed on this hook. |
-| `0x4E4` | 0x00 | This chest is a duplicated housing object. You may not add items to a duplicated housing object. Please empty everything -- including backpacks -- out of the chest and allow the chest to reset. |
-| `0x4E5` | 0x00 | This hook was a duplicated housing object. Since it is now empty, it will be deleted momentarily. Once it is gone, it is safe to use the other, non-duplicated hook that is here. |
-| `0x4E6` | 0x00 | This chest was a duplicated housing object. Since it is now empty, it will be deleted momentarily. Once it is gone, it is safe to use the other, non-duplicated chest that is here. |
-| `0x4E7` | 0x00 | You cannot swear allegiance to anyone because you own a monarch-only house. Please abandon your house and try again. |
-| `0x4E9` | 0x00 | The %s cannot be used while on a hook and only the owner may open the hook. [AMBIG 2] |
-| `0x4EA` | 0x00 | The %s can only be used while on a hook. |
-| `0x4EB` | **0x1A** | You can't do that while in the air! |
-| `0x4EC` | 0x00 | You cannot modify your player killer status while you are recovering from a PK death. |
-| `0x4ED` | 0x00 | Advocates may not change their player killer status! |
-| `0x4EE` | 0x00 | Your level is too low to change your player killer status with this object. |
-| `0x4EF` | 0x00 | Your level is too high to change your player killer status with this object. |
-| `0x4F0` | 0x00 | You feel a harsh dissonance, and you sense that an act of killing you have committed recently is interfering with the conversion. |
-| `0x4F1` | 0x00 | Bael'Zharon's power flows through you again. You are once more a player killer. |
-| `0x4F2` | 0x00 | Bael'Zharon has granted you respite after your moment of weakness. You are temporarily no longer a player killer. |
-| `0x4F3` | 0x07 | Lite Player Killers may not interact with that portal! |
-| `0x4F4` | 0x07 | %s fails to affect you because $… |
-| `0x4F5` | 0x07 | %s fails to affect you because y… |
-| `0x4F6` | 0x07 | %s fails to affect you because %… |
-| `0x4F7` | 0x07 | fails to affect you because you… |
-| `0x4F8` | 0x07 | fails to affect you because you… |
-| `0x4F9` | 0x07 | fails to affect you across a ho… |
-| `0x4FA` | 0x07 | is an invalid target.\n |
-| `0x4FB` | 0x07 | You are an invalid target for the spell of %s. |
-| `0x4FC` | **0x1A** | You aren't trained in healing! |
-| `0x4FD` | **0x1A** | You don't own that healing kit! |
-| `0x4FE` | **0x1A** | You can't heal that! |
-| `0x4FF` | **0x1A** | is already at full health! |
-| `0x500` | **0x1A** | You aren't ready to heal! |
-| `0x501` | **0x1A** | You can only use Healing Kits on player characters. |
-| `0x502` | 0x07 | The Lifestone's magic protects you from the attack! |
-| `0x503` | 0x07 | The portal's residual energy protects you from the attack! |
-| `0x504` | 0x00 | You are enveloped in a feeling of warmth as you are brought back into the protection of the Light. You are once again a Non-Player Killer. |
-| `0x505` | **0x1A** | You're too close to your sanctuary! |
-| `0x506` | **0x1A** | You can't do that -- you're trading! |
-| `0x507` | 0x00 | Only Non-Player Killers may enter PK Lite. Please see @help pklite for more details about this command. |
-| `0x508` | 0x00 | A cold wind touches your heart. You are now a Player Killer Lite. |
-| `0x509` | 0x07 | has no appropriate targets equi… |
-| `0x50A` | 0x07 | You have no appropriate targets equipped for %s's spell. |
-| `0x50B` | 0x00 | is now an open fellowship; anyo… |
-| `0x50C` | 0x00 | is now a closed fellowship.\n |
-| `0x50D` | 0x00 | is now the leader of this fello… |
-| `0x50E` | 0x00 | You have passed leadership of the fellowship to %s |
-| `0x50F` | **0x1A** | You do not belong to a Fellowship. |
-| `0x510` | 0x00 | You may not hook any more %s on your house. You already have the maximum number of %s hooked or you are not permitted to hook any on your type of house. |
-| `0x512` | 0x00 | You are now using the maximum number of hooks. You cannot use another hook until you take an item off one of your hooks. |
-| `0x513` | 0x00 | You are no longer using the maximum number of hooks. You may again add items to your hooks. |
-| `0x514` | 0x00 | You now have the maximum number of %s hooked. You cannot hook any additional %s until you remove one or more from your house. |
-| `0x515` | 0x00 | You no longer have the maximum number of %s hooked. You may hook additional %s. |
-| `0x516` | 0x00 | You are not permitted to use that hook. |
-| `0x517` | 0x00 | is not close enough to your lev… |
-| `0x518` | 0x00 | cannot be recruited into the fe… |
-| `0x519` | 0x00 | The fellowship is locked, you were not added to the fellowship. |
-| `0x51A` | **0x1A** | Only the original owner may use that item's magic. |
-| `0x51B` | 0x00 | You have entered the %s channel. |
-| `0x51C` | 0x00 | You have left the %s channel.\n |
-| `0x51E` | 0x00 | will not receive your message, please use urgent assistance to speak with an in-game representative |
-| `0x51F` | **0x1A** | Message Blocked: %s |
-| `0x520` | 0x00 | You cannot add anymore people to the list of players that you can hear. |
-| `0x521` | 0x00 | has been added to the list of p… |
-| `0x522` | 0x00 | has been removed from the list … |
-| `0x523` | 0x00 | You are now deaf to player's screams. |
-| `0x524` | 0x00 | You can hear all players once again. |
-| `0x525` | 0x00 | You fail to remove %s from your loud list. |
-| `0x526` | **0x1A** | You chicken out. |
-| `0x527` | **0x1A** | You cannot posssibly succeed. |
-| `0x528` | 0x00 | The fellowship is locked; you cannot open locked fellowships. |
-| `0x529` | **0x1A** | Trade Complete! |
-| `0x52A` | **0x1A** | That is not a salvaging tool. |
-| `0x52B` | **0x1A** | That person is not available now. |
-| `0x52C` | 0x00 | You are now snooping on %s.\n |
-| `0x52D` | 0x00 | You are no longer snooping on %s. |
-| `0x52E` | 0x00 | You fail to snoop on %s.\n |
-| `0x52F` | 0x00 | %s attempted to snoop on you.\n |
-| `0x530` | 0x00 | %s is already being snooped on, … |
-| `0x531` | 0x00 | %s is in limbo and cannot receive your message. |
-| `0x532` | 0x00 | You must wait 30 days after purchasing a house before you may purchase another with any character on the same account. This applies to all housing except apartments. |
-| `0x533` | 0x00 | You have been booted from your allegiance chat room. Use "@allegiance chat on" to rejoin. (%s). |
-| `0x534` | 0x00 | %s has been booted from the alle… |
-| `0x535` | 0x00 | You do not have the authority within your allegiance to do that. |
-| `0x536` | 0x00 | The account of %s is already banned from the allegiance. |
-| `0x537` | 0x00 | The account of %s is not banned from the allegiance. |
-| `0x538` | 0x00 | The account of %s was not unbanned from the allegiance. |
-| `0x539` | 0x00 | The account of %s has been banned from the allegiance. |
-| `0x53A` | 0x00 | The account of %s is no longer banned from the allegiance. |
-| `0x53B` | 0x00 | Banned Characters: |
-| `0x53E` | 0x00 | %s is banned from the allegiance… |
-| `0x53F` | 0x00 | You are banned from %s's allegiance! |
-| `0x540` | 0x00 | You have the maximum number of accounts banned.! |
-| `0x541` | 0x00 | %s is now an allegiance officer.… |
-| `0x542` | 0x00 | An unspecified error occurred while attempting to set %s as an allegiance officer. [AMBIG 2] |
-| `0x543` | 0x00 | %s is no longer an allegiance of… |
-| `0x544` | 0x00 | An unspecified error occurred while attempting to set %s as an allegiance officer. [AMBIG 2] |
-| `0x545` | 0x00 | You already have the maximum number of allegiance officers. You must remove some before you add any more. |
-| `0x546` | 0x00 | Your allegiance officers have been cleared. |
-| `0x547` | 0x00 | You must wait %s before communicating again! |
-| `0x548` | 0x00 | You cannot join any chat channels while gagged. |
-| `0x549` | 0x00 | Your allegiance officer status has been modified. You now hold the position of: %s. |
-| `0x54A` | 0x00 | You are no longer an allegiance officer. |
-| `0x54B` | 0x00 | %s is already an allegiance offi… |
-| `0x54C` | 0x00 | Your allegiance does not have a hometown. |
-| `0x54D` | **0x1A** | The %s is currently in use.\n |
-| `0x54E` | 0x00 | The hook does not contain a usable item. Use the '@house hooks on'command to make the hook openable. [AMBIG 2] |
-| `0x54F` | 0x00 | The hook does not contain a usable item. Use the '@house hooks on'command to make the hook openable. [AMBIG 2] |
-| `0x550` | **0x1A** | Out of Range! |
-| `0x551` | 0x00 | You are not listening to the %s channel! |
-| `0x552` | **0x1A** | You must purchase Asheron's Call -- Dark Majesty to use this function. [AMBIG 6] |
-| `0x553` | **0x1A** | You must purchase Asheron's Call -- Dark Majesty to use this function. [AMBIG 6] |
-| `0x554` | **0x1A** | You must purchase Asheron's Call -- Dark Majesty to use this function. [AMBIG 6] |
-| `0x555` | **0x1A** | You must purchase Asheron's Call -- Dark Majesty to use this function. [AMBIG 6] |
-| `0x556` | 0x00 | You have failed to complete the augmentation. |
-| `0x557` | 0x00 | You have used this augmentation too many times already. |
-| `0x558` | 0x00 | You have used augmentations of this type too many times already. |
-| `0x559` | 0x00 | You do not have enough unspent experience available to purchase this augmentation. |
-| `0x55A` | 0x00 | *(no literal — uses a shared string global; see §4.1)* |
-| `0x55B` | 0x00 | Congratulations! You have succeeded in acquiring the %s augmentation. |
-| `0x55C` | 0x00 | Although your augmentation will not allow you to untrain your %s skill, you have succeeded in recovering all the experience you had invested in it. |
-| `0x55D` | 0x00 | You must exit the Training Academy before that command will be available to you. |
-| `0x55E` | 0x00 | *(no literal — uses a shared string global; see §4.1)* |
-| `0x55F` | 0x00 | Only Player Killer characters may use this command! |
-| `0x560` | 0x00 | Only Player Killer Lite characters may use this command! |
-| `0x561` | **0x1A** | You may only have a maximum of 50 friends at once. If you wish to add more friends, you must first remove some. |
-| `0x562` | 0x00 | %s is already on your friends li… |
-| `0x563` | 0x00 | That character is not on your friends list! |
-| `0x564` | 0x00 | Only the character who owns the house may use this command. |
-| `0x565` | 0x00 | That allegiance name is invalid because it is empty. Please use the @allegiance name clear command to clear your allegiance name. |
-| `0x566` | 0x00 | That allegiance name is too long. Please choose another name. |
-| `0x567` | 0x00 | That allegiance name contains illegal characters. Please choose another name using only letters, spaces, - and '. |
-| `0x568` | 0x00 | That allegiance name is not appropriate. Please choose another name. |
-| `0x569` | 0x00 | That allegiance name is already in use. Please choose another name. |
-| `0x56A` | 0x00 | You may only change your allegiance name once every 24 hours. You may change your allegiance name again in %s. |
-| `0x56B` | 0x00 | Your allegiance name has been cleared. |
-| `0x56C` | 0x00 | That is already the name of your allegiance! |
-| `0x56D` | 0x00 | %s is the monarch and cannot be … |
-| `0x56E` | 0x00 | That level of allegiance officer is now known as: %s. |
-| `0x56F` | 0x00 | That is an invalid officer level. |
-| `0x570` | 0x00 | That allegiance officer title is not appropriate. |
-| `0x571` | 0x00 | That allegiance name is too long. Please choose another name. |
-| `0x572` | 0x00 | All of your allegiance officer titles have been cleared. |
-| `0x573` | 0x00 | That allegiance title contains illegal characters. Please choose another name using only letters, spaces, - and '. |
-| `0x574` | 0x00 | Your allegiance is currently: %s. |
-| `0x575` | 0x00 | Your allegiance is now: %s.\n |
-| `0x576` | 0x00 | You may not accept the offer of allegiance from %s because your allegiance is locked. |
-| `0x577` | 0x00 | You may not swear allegiance at this time because the allegiance of %s is locked. |
-| `0x578` | 0x00 | You have pre-approved %s to join your allegiance. |
-| `0x579` | 0x00 | You have not pre-approved any vassals to join your allegiance. |
-| `0x57A` | 0x00 | %s is already a member of your a… |
-| `0x57B` | 0x00 | %s has been pre-approved to join… |
-| `0x57C` | 0x00 | You have cleared the pre-approved vassal for your allegiance. |
-| `0x57D` | 0x00 | That character is already gagged! |
-| `0x57E` | 0x00 | That character is not currently gagged! |
-| `0x57F` | 0x00 | Your allegiance chat privileges have been restored. [AMBIG 3] |
-| `0x580` | 0x00 | %s is now temporarily unable to … |
-| `0x581` | 0x00 | Your allegiance chat privileges have been restored. [AMBIG 3] |
-| `0x582` | 0x00 | Your allegiance chat privileges have been restored. [AMBIG 3] |
-| `0x583` | 0x00 | You have restored allegiance chat privileges to %s. |
-| `0x584` | **0x1A** | You cannot pick up more of that item! |
-| `0x585` | **0x1A** | You are restricted to clothes and armor created for your race. |
-| `0x586` | **0x1A** | That item was specifically created for another race. |
-| `0x587` | 0x07 | Olthoi cannot interact with that! |
-| `0x588` | 0x07 | Olthoi cannot use regular lifestones! Asheron would not allow it! |
-| `0x589` | 0x07 | The vendor looks at you in horror! |
-| `0x58A` | 0x00 | %s cowers from you!\n |
-| `0x58B` | 0x07 | As a mindless engine of destruction an Olthoi cannot join a fellowship! |
-| `0x58C` | 0x07 | The Olthoi only have an allegiance to the Olthoi Queen! |
-| `0x58D` | 0x07 | You cannot use that item!\n |
-| `0x58E` | 0x07 | This person will not interact with you! |
-| `0x58F` | 0x07 | Only Olthoi may pass through this portal! |
-| `0x590` | 0x07 | Olthoi may not pass through this portal! |
-| `0x591` | 0x07 | You may not pass through this portal while Vitae weakens you! |
-| `0x592` | 0x07 | This character must be two weeks old or have been created on an account at least two weeks old to use this portal! |
-| `0x593` | 0x07 | Olthoi characters can only use Lifestone and PK Arena recalls! |
-
----
-
-## Appendix B — text types seen in this build
-
-| Type | ACE `ChatMessageType` | Notes |
-|---|---|---|
-| `0x00` | `Broadcast` | default colour (green) |
-| `0x01` | `AllChannels` | |
-| `0x02` | `Speech` | white |
-| `0x03` | `Tell` | yellow |
-| `0x04` | `OutgoingTell` | |
-| `0x05` | `System` | bright purple |
-| `0x06` | `Combat` | dark red |
-| `0x07` | `Magic` | light blue — the spell/portal failure family |
-| `0x08` `0x09` | `Channel` / `ChannelSend` | pink |
-| `0x0A` `0x0B` | `Social` / `SocialSend` | |
-| `0x0C` | `Emote` | grey |
-| `0x0D` | `Advancement` | cyan |
-| `0x0E` | `Abuse` | |
-| `0x0F` | `Help` | dark red |
-| `0x10` | `Appraisal` | |
-| `0x11` | `Spellcasting` | light blue |
-| `0x12` | `Allegiance` | orange |
-| `0x13` | `Fellowship` | yellow |
-| `0x14` | `WorldBroadcast` | |
-| `0x15` `0x16` | `CombatEnemy` / `CombatSelf` | |
-| `0x17` | `Recall` | |
-| `0x18` `0x19` | `Craft` / `Salvaging` | |
-| **`0x1A`** | *commented out in ACE* | **SpewBox** |
-| `0x1B`–`0x1E` | unnamed in ACE | blue-grey |
-| `0x1F` | `AdminTell` | yellow |
-| `0x20` `0x21` | **absent from ACE** | coloured by the client (blue-grey / orange) |
diff --git a/docs/research/2026-08-09-chat-retail-window-shell.md b/docs/research/2026-08-09-chat-retail-window-shell.md
deleted file mode 100644
index 624316ae..00000000
--- a/docs/research/2026-08-09-chat-retail-window-shell.md
+++ /dev/null
@@ -1,1009 +0,0 @@
-# Campaign CH slice CH6 — retail chat-window SHELL research
-
-**Date:** 2026-08-09
-**Scope:** RESEARCH ONLY. How retail Asheron's Call constructs, shows, sizes,
-persists and fades the chat windows — the *shell*, not the text pipeline.
-The per-window text FILTER model is already decoded in
-[`2026-08-09-chat-retail-color-table.md`](2026-08-09-chat-retail-color-table.md)
-§4 and is not re-derived here.
-
-**Primary sources**
-- `docs/research/named-retail/acclient_2013_pseudo_c.txt` (Sept 2013 EoR build,
- Binary Ninja pseudo-C, PDB-named)
-- `docs/research/named-retail/acclient.h` (verbatim retail struct/enum defs)
-- `docs/research/named-retail/symbols.json`
-- `docs/research/named-retail/retail-default.keymap.txt`
-- `docs/research/2026-06-25-retail-ui-layout-dump.json` — **an existing acdream
- dump of the retail gameplay-UI top-level windows.** It carries the LayoutDesc
- id, element ids, widget kinds and authored rects for every window below, and
- is the geometric oracle used throughout §2.
-- `references/ACE/Source/...` (server cross-check)
-
-**Binary-Ninja field-name caveat (applies throughout).** BN's struct-field
-attribution in `gm*ChatUI::PostInit` is shifted by one slot relative to the true
-member order (the classic artifact class in
-`claude-memory/feedback_bn_decomp_field_names.md`). Every id↔role binding in §2
-was therefore re-derived from the **authored rectangles in the layout dump**,
-which agree with the decomp's *call order* exactly once the one-slot shift is
-undone. Where a claim rests on BN naming alone it is marked UNVERIFIED.
-
----
-
-## 1. Window lifecycle — how windows 1–4 get created and shown
-
-### 1.1 They are not created on demand. They are authored, always-resident, and toggled.
-
-`gmGamePlayUI::SetupChildren @0x004E9EC0` builds the whole gameplay UI once:
-
-```
-004e9ed5 m_pGameplayUI = CreateAndAddRootElement(0x10000006, 0x10000495)
-004e9f40 var_b0 = 0x10000505 // floating chat window 1
-004e9f48 var_ac = 0x1000050E // floating chat window 2
-004e9f50 var_a8 = 0x1000050F // floating chat window 3
-004e9f58 var_a4 = 0x10000510 // floating chat window 4
-004e9f6a hash("ID_Chat_Chat1_DefaultTitle") … "ID_Chat_Chat4_DefaultTitle"
-004e9ff5 for i in 0..3:
-004e9faf StringInfo::SetStringIDandTableEnum(&title, ids[i], 0x10000001)
-004e9fbf el = UIElement::GetChildRecursive(m_pGameplayUI, windowIds[i])
-004e9fd1 chat = el->DynamicCast(0x10000040) // gmFloatyChatUI
-004e9fe9 chat->vtable[0x2AC](&title) // SetWindowTitle
-```
-
-So all four extra chat windows exist as **authored children of the gameplay-UI
-root from the moment the game UI is built**. There is no window-manager `Create`
-call, no per-window allocation at toggle time, and no floating-window registry.
-Opening one is `SetVisible(true)`; closing one is `SetVisible(false)`.
-
-Confirming class identity: `gmFloatyChatUI::GetUIElementType @0x004CE2B0` returns
-`0x10000040`, and `gmFloatyChatUI::Register @0x004CE3D0` registers that element
-class with the LayoutDesc element factory. `gmFloatyChatUI` derives from
-`ChatInterface` and adds **no members at all** (`acclient.h:55144`), which is why
-`m_eWindowID` (the first `ChatInterface` field, `acclient.h:54900`) is the only
-per-window identity it carries.
-
-### 1.2 Window identity comes from a LayoutDesc attribute, not from code
-
-`ChatInterface::PostInit @0x004F3DD0`:
-
-```
-004f3de8 UIElement::GetAttribute_Enum(this, 0x1000007E, &this->m_eWindowID)
-004f3df9 switch (m_eWindowID - 1) { … seed m_llTextTypeFilter defaults … }
-```
-
-**Attribute `0x1000007E` on the authored element IS the window id.** The main
-chat window is id `0`; the floaties are `1..4` (the `PostInit` switch also has
-arms for 5 and 8 — see the colour-table doc §4 for the seeded filter values).
-
-### 1.3 The toggle is a KEYBIND, not a button
-
-`docs/research/named-retail/retail-default.keymap.txt:150-153`, inside the
-`ToggleWindows` action group:
-
-```
-ToggleFloatingChatWindow1 [ "" [ 0 DIK_1 ] 0x00000004 ]
-ToggleFloatingChatWindow2 [ "" [ 0 DIK_2 ] 0x00000004 ]
-ToggleFloatingChatWindow3 [ "" [ 0 DIK_3 ] 0x00000004 ]
-ToggleFloatingChatWindow4 [ "" [ 0 DIK_4 ] 0x00000004 ]
-```
-
-`0x00000004` is the modifier mask (the same mask the `UseQuickSlot_14..18` rows
-use for `Alt`+digit, versus `0x00000002` for the CTRL-digit quickslot rows —
-corrected below; the original filing mislabeled `0x00000002` as "shift").
-So retail's default is **Alt+1 … Alt+4**, not bare 1–4.
-RESOLVED at Campaign CH slice CH6b: `retail-default.keymap.txt`'s own
-`MetaKeys` legend (not a guess — the keymap file's literal index table) reads
-```
-MetaKeys
-[
- 1 [ 0 DIK_LSHIFT ]
- 2 [ 0 DIK_LCONTROL ]
- 2 [ 0 DIK_RCONTROL ]
- 3 [ 0 DIK_LMENU ]
- 3 [ 0 DIK_RALT ]
- 4 [ 0 DIK_LWIN ]
- 4 [ 0 DIK_RWIN ]
-]
-```
-so the modifier-mask bit for MetaKeys index *N* is `1 << (N-1)`: **index 1 =
-Shift → `0x1`, index 2 = Ctrl → `0x2`, index 3 = Alt → `0x4`, index 4 = Win →
-`0x8`**. `0x00000004` on the `ToggleFloatingChatWindow1..4` rows is therefore
-unambiguously **Alt**, cross-checked against the same file's own Alt+A/D
-strafe and Alt+Enter/Tab/F4 rows (all `0x00000004`). `KeyBindings` already
-carried `ModifierMask.Alt` for these four actions since Phase K.1c — no code
-change was needed, only removing this hedge.
-
-The dispatch chain is fully generic — there is no chat-specific code in it:
-
-```
-UIElementManager::KeyPressEvent @0x0045C300
- 0045c347 DoVisibilityToggleAction(this, actionId)
-
-UIElementManager::DoVisibilityToggleAction @0x0045B660
- 0045b680 look up actionId in m_elementInputActionListenerTable
- 0045b6c1 for each registered element:
- BroadcastElementMessage(element, 0x31, actionId, 0)
-```
-
-and the registration side is a plain authored property:
-
-```
-UIElement::OnSetAttribute (property switch) @0x00462D80
- 004631d7 case 0x24: // "input action" property
- 004631fb UIElementManager::RegisterElementForInputAction(
- UIElementManager::s_pInstance, enumValue, this)
-```
-
-**So: LayoutDesc property `0x24` on the window element declares the input action
-that toggles it; the manager broadcasts element message `0x31` ("toggle
-visibility") to every element registered for that action.** The same mechanism
-serves `ToggleInventoryPanel`, `ToggleSpellbookPanel`, etc.
-
-UNVERIFIED: the numeric action-enum values behind
-`ToggleFloatingChatWindow1..4` (the keymap file stores names, and the property
-`0x24` value lives in the LayoutDesc, not in code). Cheapest resolution: dump
-property `0x24` for elements `0x10000505/0x1000050E/0x1000050F/0x10000510` from
-LayoutDesc `0x21000070`/gameplay root — one `ui-studio --dump` pass. Not needed
-to implement CH6: acdream binds its own actions.
-
-### 1.4 The 1/2/3/4 buttons in the main window are STATE MIRRORS, not the toggle
-
-They exist and they are authored (§2.1, elements `0x10000522`–`0x10000525`), but
-the code path is one-directional — window visibility drives the buttons:
-
-```
-gmGamePlayUI::ListenToElementMessage @0x004E9CE0
- 004e9cee if (idMessage == 0x18) // visibility changed
- 004e9d29 if (idElement == 0x10000505 ||
- (idElement > 0x1000050D && idElement <= 0x10000510))
- 004e9d4c CM_UI::SendNotice_SetPanelVisibility(idElement, elementVisibleBit)
-
-gmMainChatUI::RecvNotice_SetPanelVisibility @0x004CCD80
- 004ccd9c 0x10000505 -> child 0x10000522
- 004ccda3 0x1000050E -> child 0x10000523
- 004ccdaa 0x1000050F -> child 0x10000524
- 004ccdb1 0x10000510 -> child 0x10000525
- 004ccdbf child = GetChildRecursive(this, mapped)
- 004ccdcd visible ? child->SetState(6) : child->SetState(1)
-```
-
-State 6 = "on/depressed", state 1 = "normal". No handler anywhere in the binary
-switches on `0x10000522..0x10000525` as a *source* of a click — `grep` over the
-whole pseudo-C returns only `gmMainChatUI::RecvNotice_SetPanelVisibility`.
-
-**RESOLVED 2026-08-10 at Campaign CH slice CH6b; wording corrected at the
-CH6a/b REJECT-review (NIT 4) — the original "ONLY function in the whole 2013
-binary that branches on `idMessage == 1`" superlative was false**
-(`gmFloatyChatUI::ListenToElementMessage @0x004CE330`, the floaty windows'
-close-button handler, also branches on `idMessage == 1`; §1.5). **The
-substantive claim stands: within `gmMainChatUI::ListenToElementMessage`
-specifically, there is no case for `0x10000522`-`0x10000525`.** The prior
-UNVERIFIED paragraph's hedge ("safe to wire both") is superseded by a direct
-read of `gmMainChatUI::ListenToElementMessage @0x004CDA80`. It handles
-exactly two element ids: `0x1000046f` (max/min, dispatching
-`HandleMaximizeButton`) and the talk-focus menu's selection message
-(`idMessage == 7`, checked against `this->m_pCCS` / a `0x1000000b` attribute
-read). There is no case, anywhere in that function or its base-class fallback
-(`ChatInterface::ListenToElementMessage`, called unconditionally at the
-function's tail), for `0x10000522`–`0x10000525`. **This citation is still a
-true statement about `gmMainChatUI::ListenToElementMessage` — see the round-4
-correction below for why it is the wrong function to have grepped.**
-
----
-
-**ROUND-4 CORRECTION (2026-08-10) — the user's own retail memory ("clicking
-opens/closes the window") overruled the CONCLUSION above, and re-attacking the
-question with that as the starting axiom (per CLAUDE.md: the user's retail
-memory is the axiom, not a hypothesis to be argued down) found the exact
-mechanism the CH6b pass missed.**
-
-The CH6b pass's mistake was scope, not accuracy: it proved
-`gmMainChatUI::ListenToElementMessage` has no click case for these ids, then
-reasoned "a button's click message… routes to its LISTENING PARENT" and
-stopped there. **That's wrong — `UIElement_Button` (Type 1, the class every
-one of these four indicators actually is) overrides its OWN click handling
-and never asks its parent window first:**
-
-```
-UIElement_Button::HandleButtonClick @0x00471E50
- 00471e65 if (UIElement::GetAttribute_Enum(this, 0x12, &actionId)) // reads its OWN property
- 00471e72 if (actionId != 1)
- 00471e95 build an InputEvent(actionId)
- 00471eb2 ICIDM::GetActionMap()… dispatch through the action map
-```
-
-Property `0x12` here is the SAME kind of "input action" enum as `0x24` — not
-the parent-window dispatch §1.4's original text assumed didn't apply to
-clicks. This IS the generic mechanism a click uses to reach
-`UIElementManager::DoVisibilityToggleAction @0x0045B660` (§1.3's own citation,
-previously assumed keybind-only) → `BroadcastElementMessage(target, 0x31,
-actionId, 0)` for every element registered under that action id via
-`RegisterElementForInputAction` (§1.3's property-`0x24` registration —
-confirmed as the ONLY call site of `RegisterElementForInputAction` in the
-whole binary) → the RECEIVING element's generic base-class handler:
-
-```
-UIElement::ListenToElementMessage @0x00462340
- 00462447 case 8: // idMessage - 0x29 == 8, i.e. raw idMessage 0x31
- 0046244f GetAttribute_Enum(this, 0x58, &mode) // reads the RECEIVER's OWN property
- 00462459 if (mode == 1) SetVisible(!currentlyVisible) // toggle
- 0046245c else if (mode == 2) SetVisible(1) // force-show
- 0046245f else if (mode == 3) SetVisible(0) // force-hide
-```
-
-Neither `gmMainChatUI`, `gmFloatyChatUI`, nor `ChatInterface` overrides
-`ListenToElementMessage` for raw idMessage `0x31` (confirmed by reading all
-three switches directly — none has a case landing on it), so EVERY window
-falls through to this base-class handler unconditionally. This is a complete,
-generic, working "click toggles a registered listener's visibility" system —
-exactly the "authored button behavior" this reconciliation task hypothesized
-— and it is NOT gated on keyboard input the way the original §1.3 text
-assumed; `UIElementManager::KeyPressEvent`'s call to `DoVisibilityToggleAction`
-is simply ONE caller among the several that can reach it (the button's own
-`HandleButtonClick` is another).
-
-**What the authored DATA shows, checked directly against the committed
-fixtures:**
-
-- `chat_2100006f.json` — all four indicator elements (`0x10000522`-`0x10000525`)
- DO author an Enum-kind property `0x12` (confirmed by `Kind: 0` = Enum in the
- fixture's own property dump, matching `LayoutImporter.ConvertProperty`'s
- `EnumBaseProperty → UiPropertyKind.Enum` mapping exactly), with values
- `0x10000114`-`0x10000117` in element-id order (re-verified directly against
- the committed fixture's own `UnsignedValue` fields — an earlier pass here
- misread these as `0x10000514`-`0x10000517`). This is a real, present,
- correctly-typed action id — the button-click half of the generic mechanism
- is genuinely armed.
-- `chat_floaty_2100005b.json` — the floating chat window's own fixture
- authors **NO Enum-kind property `0x24` anywhere** (its only hit on property
- number 36 decimal is `Kind: 4` = Integer, an unrelated attribute — not the
- registration property) and **no property `0x58` at all**. Since
- `RegisterElementForInputAction` has exactly one call site in the entire
- binary (the property-`0x24` handler in `UIElement::Initialize`; no class
- anywhere calls it directly from code), nothing in the shipped floating chat
- window LayoutDesc ever registers it as a listener for ANY action id.
- `DoVisibilityToggleAction` would look up the button's action id, find zero
- registered listeners, and silently return — the click would fire a real
- message with no receiver.
-- The four action-id VALUES (`0x10000114`-`0x10000117`) are also not
- chat-specific: the first two, `0x10000114` and `0x10000115`, are
- `m_prevButton`/`m_nextButton` child-element ids for an UNRELATED
- pagination widget elsewhere in the decomp (`UIElement::GetChildRecursive(this,
- 0x10000115)` / `(this, 0x10000114)`,
- `acclient_2013_pseudo_c.txt:194343-194344`, confirmed by direct read) — a
- coincidence of Turbine's global per-dat-file asset-id allocator (ids are
- assigned client-wide, not scoped per panel), not a cross-reference.
- (**Correction:** an earlier pass here misread the fixture's Enum values as
- `0x10000514`-`0x10000517` and built a since-retracted claim that they
- matched `gmFriendsUI::PostInit`'s own Add/Remove/Tell child ids — that
- match does not exist at the correct `0x1000011x` values and `gmFriendsUI`
- is not part of this finding.)
-
-**Conclusion: the generic UI action system is real, it exists, and the
-buttons genuinely arm their half of it — but the authored DATA available to
-us (both committed fixtures, generated from the installed DAT) does not wire
-a target for it.** This is consistent with, not a refutation of, the original
-CH6b grep of `gmMainChatUI::ListenToElementMessage` — that citation was
-looking in the wrong function, but its NEGATIVE RESULT (retail's window-level
-message handlers never claim these clicks) still holds; the generic
-mechanism, if it does connect the dots in real retail, does so entirely
-below the level either grep could see. **Per CLAUDE.md, the user's retail
-memory is the axiom regardless: acdream now wires each indicator's click to
-toggle its floating window through the SAME `ToggleFloatingChatWindow`
-chokepoint the `Alt+1..4` keybinds use
-(`ChatWindowController.BindIndicatorClicks`, called by `RetailUiRuntime`
-right after mounting the main chat window) — explicitly as USER-DIRECTED
-retail behavior, not a claim that the generic-action-system data path has
-been proven end-to-end.** `SetIndicatorOpen` stays the ONLY writer of the
-indicator's `Selected` mirror (`UiButton.SuppressSelfToggle` stays `true`);
-the click drives the real toggle, and the mirror reports the outcome back —
-so the visual stays consistent through the round trip even though the write
-is now two-way at the FEATURE level.
-
----
-
-acdream ports this exactly: the four indicator buttons
-(`ChatWindowController._indicatorButtons`) now carry a real `OnClick`
-(`ChatWindowController.BindIndicatorClicks`, round 4); the mirror half is
-unchanged — `ChatWindowController.SetIndicatorOpen` is still the ONLY writer
-of `Selected`, still called from `RetailUiRuntime.OnWindowVisibilityChanged`
-in response to the floating window's own visibility changing, regardless of
-what triggered it (click, keybind, or a restored layout).
-
-### 1.5 Closing a floaty window from its own title bar
-
-```
-gmFloatyChatUI::ListenToElementMessage @0x004CE330
- 004ce344 if (idMessage == 1 && idElement == 0x1000052A)
- 004ce346 this->vtable[…]( 0 ) // SetVisible(false)
-```
-
-Element `0x1000052A` is the 14×14 close button at (230, 86) in the floaty
-layout (§2.2). `idMessage == 1` is "clicked".
-
-### 1.6 The lock-UI cosmetic swap
-
-`gmFloatyMainChatUI::UpdateLockedStatus @0x004D23D0` (driven by global message
-`0x0D` via `gmFloatyMainChatUI::ListenToGlobalMessage @0x004D2940`) reads
-`PlayerModule::LockUI` and swaps the 8 live border/corner elements for their 8
-`_Locked` cosmetic twins. When the UI is locked the *interactive* Resizebars are
-hidden and the inert art is shown — that is how retail disables resizing without
-touching the resize code.
-
----
-
-## 2. LayoutDesc geometry
-
-### 2.1 Main chat window — LayoutDesc `0x2100006F`
-
-Window element `0x10000601` (this is the id `gmGamePlayUI` looks up and the id
-`SaveScreenLayout @0x004EAD50` writes as ``), layout root element
-`0x10000600`, **authored extent 410 × 100**.
-
-Full authored tree (from `2026-06-25-retail-ui-layout-dump.json`; rects are
-absolute in the dump's 640×480 space, i.e. root at 0,0):
-
-| element | rect (x,y,w,h) | role |
-|---|---|---|
-| `0x10000600` | 0,0,410,100 | window root (Group) |
-| `0x10000693` | 0,0,5,5 | TL corner — **Locked twin** |
-| `0x10000694` | 5,0,400,5 | top edge — Locked twin |
-| `0x10000695` | 405,0,5,5 | TR corner — Locked twin |
-| `0x10000696` | 0,5,5,90 | left edge — Locked twin |
-| `0x10000697` | 0,95,5,5 | BL corner — Locked twin |
-| `0x10000698` | 5,95,400,5 | bottom edge — Locked twin |
-| `0x10000699` | 405,95,5,5 | BR corner — Locked twin |
-| `0x1000069A` | 405,5,5,90 | right edge — Locked twin |
-| `0x1000069B` | 0,0,5,5 | **TL corner — live Resizebar** |
-| `0x1000069C` | 5,0,400,5 | **top edge — live Resizebar** |
-| `0x1000069D` | 405,0,5,5 | **TR corner — live Resizebar** |
-| `0x1000069E` | 0,5,5,90 | **left edge — live Resizebar** |
-| `0x1000069F` | 0,95,5,5 | **BL corner — live Resizebar** |
-| `0x100006A0` | 5,95,400,5 | **bottom edge — live Resizebar** |
-| `0x100006A1` | 405,95,5,5 | **BR corner — live Resizebar** |
-| `0x100006A2` | 405,5,5,90 | **right edge — live Resizebar** |
-| `0x10000010` | 5,5,400,73 | transcript panel (Sprite) |
-| `0x10000011` | 21,5,368,73 | transcript text (Group) |
-| `0x1000048C` | 21,62,16,16 | new-unseen-text indicator (Button) |
-| `0x10000012` | 389,5,16,73 | scrollbar column |
-| `0x10000364/65/66`, `0x10000071`, `0x10000072` | — | scrollbar thumb pieces + up/down buttons |
-| `0x1000046F` | 368,5,16,16 | max/min toggle (Button) |
-| `0x10000522` | 5,5,16,16 | **chat-window-1 indicator (Button)** |
-| `0x10000523` | 5,22,16,16 | **chat-window-2 indicator** |
-| `0x10000524` | 5,39,16,16 | **chat-window-3 indicator** |
-| `0x10000525` | 5,56,16,16 | **chat-window-4 indicator** |
-| `0x10000013` | 5,78,400,17 | input row (Sprite) |
-| `0x10000014` | 5,78,46,17 | talk-focus menu button |
-| `0x10000015` | 5,78,46,17 | talk-focus menu group |
-| `0x10000016` | 51,78,306,17 | **chat entry field** |
-| `0x10000017` / `0x10000018` | 1px | entry field left/right rails |
-| `0x10000019` | 359,78,46,17 | Send button |
-
-Cross-checks that pin this layout to the code, independent of the dump:
-- `gmMainChatUI::HandleMaximizeButton @0x004CCE50` looks up `0x1000046F`.
-- `gmMainChatUI::RecvNotice_SetPanelVisibility @0x004CCD80` writes
- `0x10000522`–`0x10000525`.
-- `gmFloatyMainChatUI::PostInit @0x004D2670` binds exactly the 16 ids
- `0x10000693`–`0x100006A2`, and casts eight of them via `DynamicCast(9)` —
- element type **9 is `UIElement_Resizebar`**
- (`UIElement_Resizebar::Register @0x0046B920` → `RegisterElementClass(9, …)`).
-
-**The 1/2/3/4 buttons are on the LEFT edge, stacked vertically** — not a tab row.
-
-### 2.2 Floating chat windows 1–4 — LayoutDesc `0x2100005B`
-
-All four windows instantiate **the same** LayoutDesc; only the window element id
-and the `0x1000007E` window-id attribute differ. Layout root `0x100004F7`,
-**authored extent 250 × 108**.
-
-| element | rect (x,y,w,h) | role |
-|---|---|---|
-| `0x100004F7` | 0,80,250,108 | window root (Group) |
-| `0x100004FC` | 0,80,5,5 | TL corner |
-| `0x1000000F` | 5,80,240,5 | top edge |
-| `0x100004FE` | 245,80,5,5 | TR corner |
-| `0x100004D2` | 0,85,5,98 | left edge |
-| `0x10000501` | 0,183,5,5 | BL corner |
-| `0x100004D4` | 5,183,240,5 | bottom edge |
-| `0x10000503` | 245,183,5,5 | BR corner |
-| `0x100004D3` | 245,85,5,98 | right edge |
-| `0x100004D9` | 5,85,240,16 | **title bar** |
-| `0x10000528` | 5,100,240,5 | title/content divider |
-| `0x10000529` | 5,85,240,20 | title-bar group (drag handle) |
-| `0x1000052A` | 230,86,14,14 | **close button** |
-| `0x10000010` | 5,105,224,60 | transcript panel |
-| `0x10000011` | 5,105,224,60 | transcript text |
-| `0x1000048C` | 5,169,16,16 | new-unseen-text indicator |
-| `0x10000012` | 229,105,16,60 | scrollbar column (+ children) |
-| `0x10000509` | 5,165,240,18 | input row |
-| `0x10000016` | 5,165,202,18 | chat entry field |
-| `0x1000052B`, `0x100002B5`, `0x10000209`, `0x1000020A`, `0x1000020B` | — | entry-field frame rails |
-| `0x10000019` | 207,165,38,18 | Send button |
-
-Independent code cross-check: `gmFloatyChatUI::SetWindowTitle @0x004CEAA0` does
-`GetChildRecursive(this, 0x100004D9)` and `SetStringInfo` on it — exactly the
-240×16 title strip above.
-
-A floaty chat window has **no** talk-focus menu, **no** max/min button and **no**
-1/2/3/4 indicators. It has a title bar (which the main window does not) and a
-close button.
-
-### 2.3 How retail encodes resizability — there are no "sizable edge" flags
-
-Retail does **not** put a bitmask on the window. Each draggable edge and corner
-is its own child element of type 9 (`UIElement_Resizebar`), and four authored
-BOOL properties on that child say which border it drives:
-
-`UIElement_Resizebar::StartMouseResizing @0x0046B7E0`
-
-```
-0046b7f8 GetAttribute_Bool(this, 0x2C, &bRight)
-0046b806 GetAttribute_Bool(this, 0x2B, &bLeft)
-0046b814 GetAttribute_Bool(this, 0x2D, &bTop)
-0046b822 GetAttribute_Bool(this, 0x2A, &bBottom)
-
- if (bRight) border = bTop ? BORDER_UR : (bBottom ? BORDER_LR : BORDER_RIGHT)
- else if (bLeft) border = bTop ? BORDER_UL : (bBottom ? BORDER_LL : BORDER_LEFT)
- else if (bTop) border = BORDER_TOP
- else if (bBottom)border = BORDER_BOTTOM
-
-0046b88e this->m_mousePressed = 1
-0046b89f UIElement::StartResizing(parent, border, pt.x, pt.y)
-0046b8a4 this->SetState(3) // "pressed" art
-```
-
-`BorderLocation` (`acclient.h:4327`):
-`BORDER_NONE=0, BORDER_UL=1, BORDER_TOP=2, BORDER_UR=3, BORDER_RIGHT=4,
-BORDER_LR=5, BORDER_BOTTOM=6, BORDER_LL=7, BORDER_LEFT=8`.
-
-So the property map is **`0x2A` = bottom, `0x2B` = left, `0x2C` = right,
-`0x2D` = top**, and a corner grip simply sets two of them.
-
-Drag lifecycle (`UIElement_Resizebar::ListenToElementMessage @0x0046B930`):
-message `0x1C` (mouse down, `dwParam1 == 7` = left button) → `StartMouseResizing`
-+ parent's vtable+0x60; `0x1E` (mouse move) → parent's vtable+0x4C
-(`MouseResizeElement @0x00461130`); `0x1D` (mouse up) → parent
-vtable+0x64 + `StopMouseResizing` → `UIElement::StopResizing @0x0045FD60`.
-
-**Both chat layouts author all eight grips.** Retail is resizable from every
-edge and every corner, including the top and the top corners, on both the main
-and the floating chat windows.
-
-**CORRECTED 2026-08-10 at Campaign CH slice CH6a implementation.** This claim
-is wrong for the main window's plain TOP EDGE specifically, established by a
-direct `ElementDesc.Type` dump of the installed DAT (ground truth, not a
-decomp reading) of the 8 ids `0x1000069B`-`0x100006A2`: 7 of them are
-Type 9 (`UIElement_Resizebar`) as claimed, but `0x1000069C` — the straight
-top-edge strip between the two top corners — is Type **2**
-(`UIElement_Dragbar`), not Type 9. So retail's main chat window is
-resizable from every edge and corner EXCEPT the plain top strip, which is a
-MOVE handle instead (there is no title bar, so the top strip does double
-duty as the drag affordance). The two top CORNERS (`0x1000069B` UL,
-`0x1000069D` UR) are still genuine Resizebar grips carrying the top bool, so
-dragging from a corner still resizes the Y/top axis — only the straight
-edge in between does not. This is fully consistent with, and explains, the
-`UIElement_Resizebar::StartMouseResizing` cursor media dump: `0x1000069C`
-carries cursor `0x06006119` (the four-arrow MOVE cursor, matching
-`WindowMove`), not one of the two diagonal or the vertical resize cursor
-ids the seven true grips carry. Not independently re-verified for the
-floating-window layout `0x2100005B` (CH6b's scope); assume it needs the
-same direct-dump check rather than trusting this row for that layout too.
-
-### 2.4 Min/max extents
-
-Retail reads them as ordinary integer attributes on the window element:
-`gmMainChatUI::HandleMaximizeButton @0x004CCE50` uses
-`GetAttribute_Int(this, 0x3C, &maxH)` and `GetAttribute_Int(this, 0x3E, &minH)`.
-acdream already consumes the same family — `RetailWindowFrame.ResolveConstraint`
-(`src/AcDream.App/UI/Layout/RetailWindowFrame.cs:160-169`) maps
-`0x3C`=maxH, `0x3D`=maxW, `0x3E`=minH, `0x3F`=minW. No change needed.
-
----
-
-## 3. Opacity — the two values
-
-Named constants in the binary's read-only data at `0x007A8D50`:
-
-```
-007a8d50 uint32_t const Option_TextType_Property = 0x1000007F
-007a8d54 uint32_t const Option_DefaultOpacity_Property = 0x10000080
-007a8d58 uint32_t const Option_ActiveOpacity_Property = 0x10000081
-```
-
-| id | name | type | scope | meaning |
-|---|---|---|---|---|
-| `0x10000080` | `Option_DefaultOpacity_Property` | float | **global** (`InqOption`, not per-window) | opacity when the window's text entry does NOT have focus |
-| `0x10000081` | `Option_ActiveOpacity_Property` | float | **global** | opacity while the window's text entry HAS focus |
-
-Read path (`gmFloatyChatUI::UpdateFromPlayerModule @0x004CE3F0`,
-identical in `gmFloatyMainChatUI::UpdateFromPlayerModule @0x004D2970`):
-
-```
-004ce42b if (PlayerModule::InqOption(pm, 0x10000080, &prop) && prop->InqFloat(&v))
-004ce445 ChatInterface::SetDefaultOpacity(this, v)
-004ce465 if (PlayerModule::InqOption(pm, 0x10000081, &prop) && prop->InqFloat(&v))
-004ce47f ChatInterface::SetActiveOpacity(this, v)
-```
-
-Live-update path (`gmFloatyMainChatUI::RecvNotice_GameplayOptionChanged
-@0x004D25A0`) switches on the same two ids and forwards anything else to
-`ChatInterface::RecvNotice_GameplayOptionChanged @0x004F30E0` (which handles the
-`0x1000007F` filter).
-
-They are also settable per-element from the LayoutDesc:
-`ChatInterface::OnSetAttribute @0x004F3F60` accepts `0x10000080` / `0x10000081`
-as element attributes and **falls back to `0x3F800000` (= 1.0f)** when the
-property value cannot be read (`004f3fb2`, `004f3f84`). That 1.0f is the only
-default the code itself carries.
-
-The options UI wires them to two linked sliders — `gmChatOptionsUI::InitOptions
-@0x0049FC60`:
-
-```
-0049fcc0 UIOption_Slider::SetGameplayOptionProperty(slider1, 0x10000080)
-0049fd1a UIOption_Slider::SetGameplayOptionProperty(slider2, 0x10000081)
-0049fd5c DualHash::add(&m_hashSliderLinks, &slider1, &slider2)
-```
-
-The `DualHash` link is why the two sliders track each other in the retail
-options panel, and it is mirrored in code:
-`ChatInterface::SetDefaultOpacity @0x004F3BC0` calls `SetActiveOpacity` when
-active < default, and `SetActiveOpacity @0x004F3C40` calls `SetDefaultOpacity`
-when default > active. **Invariant: `activeOpacity >= defaultOpacity` always.**
-
-Which one is applied right now (`SetDefaultOpacity @0x004F3BC0`,
-`SetActiveOpacity @0x004F3C40`):
-
-```
-if (this window's root is the active element
- && GetFocusDescendant(activeElement) == m_chatEntry)
- m_fCurrentOpacity = m_fActiveOpacity
-else m_fCurrentOpacity = m_fDefaultOpacity
-```
-
-and application is one call on the window's own render surface —
-`ChatInterface::SetOpacity @0x004F3120`:
-
-```
-004f3124 this->m_fCurrentOpacity = v
-004f312a obj = m_object ?: UIRegion::GetObjectA(m_parent)
-004f314b surface = obj->vtable[0x1C]() // get render surface
-004f3156 surface->vtable[0x48](v) // set surface alpha
-```
-
-**Retail fades the whole composited window surface — chrome, backgrounds AND
-text — with one alpha, not a per-widget background tint.** This is the shape the
-future acdream user setting should take.
-
-**RESOLVED at Campaign CH slice CH6c (2026-08-10) by static decomp, not cdb —
-the values are constructor-literal, so no live attach was needed.** Retail's
-shipped defaults are PER WINDOW CLASS, not one constant:
-
-```
-004f4550 ChatInterface::ChatInterface(this, arg2, arg3) // BASE ctor
-004f459f this->m_fDefaultOpacity = 0.5f;
-004f45a5 this->m_fCurrentOpacity = 0.5f;
-004f45ab this->m_fActiveOpacity = 1f;
-
-004cd0f0 gmMainChatUI::gmMainChatUI(this, arg2, arg3) // derived, calls base first
-004cd0ff ChatInterface::ChatInterface(this, arg2, arg3);
-004cd148 this->m_fDefaultOpacity = 1f; // OVERRIDES base
-004cd14e this->m_fCurrentOpacity = 1f;
- // m_fActiveOpacity left at base's 1f
-
-004ce2c0 gmFloatyChatUI::Create(arg1, arg2) // the 4 floating windows
-004ce2e0 ChatInterface::ChatInterface(eax, arg1, arg2); // NO override — keeps base 0.5/1.0
-```
-
-`gmFloatyMainChatUI` (element class `0x10000050`, the concrete class actually
-instantiated for the retail main chat window — its `DynamicCast` accepts both
-`0x10000050` and `0x10000041`) calls `gmMainChatUI::gmMainChatUI` as its own
-base constructor (`0x004D22B0`) and adds no opacity override of its own, so it
-inherits `gmMainChatUI`'s 1.0/1.0.
-
-**So: the main chat window is ALWAYS FULLY OPAQUE in both states (Default=1.0,
-Active=1.0) unless a saved `GameplayOptions` value overrides it via
-`UpdateFromPlayerModule`; the four floating windows default to
-Default=0.5/Active=1.0 (translucent when idle, opaque once the chat entry has
-focus).** These are IN-MEMORY CONSTRUCTED starting values for each window
-INSTANCE's fields — they get overwritten the moment `UpdateFromPlayerModule`
-successfully reads a persisted `0x10000080`/`0x10000081` value from
-`PlayerModule::InqOption` (the SAME global option for every window instance),
-which is why the two options are still correctly described as GLOBAL rather
-than per-window: only a NEVER-SAVED option (a fresh character, nothing in the
-`GameplayOptions` blob yet) lets the per-class constructed defaults show
-through, and even then only until the user's first slider drag pushes one
-shared value into every live window via `RecvNotice_GameplayOptionChanged`.
-
-**CH6c review-fix round (2026-08-10): the shared default above was WRONG.**
-Shipping the base `ChatInterface` value (0.5/1.0) as ONE shared global
-default, combined with the scope extension to every registered window, faded
-the WHOLE registered UI (radar, vitals, toolbar, main chat, ...) to 50%
-opacity out of the box — including several windows that can never take
-keyboard focus at all, so they were stuck at 0.5 permanently. acdream now
-ships `gmMainChatUI`'s per-class 1.0/1.0 override (`0x004CD0F0`) as the
-shared global default instead (register row AP-190 in
-`docs/architecture/retail-divergence-register.md`), which is retail-identical
-for the 11 non-chat windows and the main chat window and leaves only the four
-floating chat windows diverging from retail's 0.5-while-idle fade — a
-default-VALUE divergence the transparency slider still fully covers. The
-linking invariant (active >= default, restored by dragging the OTHER value —
-verified from `SetDefaultOpacity`/`SetActiveOpacity`'s own bodies, matching
-the summary already recorded above) is ported exactly regardless of which
-default seeds it.
-
-### 3.1 Two more residuals found at the CH6c review (not yet ported)
-
-Both are decomp-verified and both are recorded as new AP-190 clauses; neither
-is implemented this round.
-
-**(a) Retail eases opacity between endpoints; acdream snaps.**
-`ChatInterface::ListenToGlobalMessage @0x004F3840` is the handler for global
-message id `3`, armed (`UIListener::RegisterForGlobalMessage(this, 3)`) from
-the element-focus messages `0x1A`/`0x1E`/`0x28`/`0x29`/`0x2E` inside the
-window's `ListenToElementMessage` switch at `0x004F5275`. Once armed, every
-tick nudges the live opacity toward whichever endpoint
-`IsTextEntryFocused` currently selects by 5% of the endpoint delta
-(`fabsl(target - current) * 0.05f`), and unregisters from the global message
-once the value lands within FP-epsilon of the target. acdream's
-`RetailWindowOpacityController.Apply` sets the target opacity directly on the
-focus-change event — the START and END states are retail-exact, but the
-transition is an instant snap instead of a roughly 20-tick fade. Porting the
-lerp needs a UI frame-tick hook `RetailWindowOpacityController` does not have
-today (it only reacts to `DescendantFocusChanged`); deferred.
-
-**(b) Retail's focus predicate is the chat entry field specifically; acdream's
-is any focusable descendant.** `ChatInterface::IsTextEntryFocused @0x004F30A0`
-tests `GetFocusDescendant(rootElement) == this->m_chatEntry` — literally the
-window's text-entry element, not "some descendant of this window has focus."
-acdream's `RetailWindowHandle.DescendantFocusChanged` (the event
-`RetailWindowOpacityController` subscribes to) fires whenever ANY focusable
-descendant of the window gains focus. For a window with exactly one
-focusable child the two predicates coincide; for a window with several (a
-settings panel's multiple controls, for example) acdream's broader predicate
-holds ActiveOpacity while retail would already have faded back to
-DefaultOpacity once focus left the specific text-entry widget.
-
-**Pre-existing, unrelated: `UiMenu.cs:293`'s opacity bypass.** Popup menus
-call `ctx.PushAlphaAbsolute(1f)` before drawing so a menu always reads solid
-even when it is opened from a translucent (faded) window — this is a
-deliberate acdream-only presentation choice (menus must stay legible
-regardless of the host window's current fade state), not a divergence from
-either of the two opacity mechanisms documented in this section, and it
-predates the CH6c slice.
-
----
-
-## 4. Persistence — how filters, geometry, visibility and title survive
-
-### 4.1 The per-window option structure
-
-Every per-window chat setting lives inside ONE global gameplay option, an
-array indexed by `windowId - 1`. `PlayerModule::GetChatOptionStructure
-@0x005D5300`:
-
-```
-005d5326 find option 0x1000008C in m_colGameplayOptions // the ARRAY
-005d5360 … if absent: SetPropertyName(&p, 0x1000008C); hash.add(p)
-005d5473 if (arrayProp->type == 0x11 && (windowId-1) < arrayProp->capacity)
-005d54a8 SetPropertyName(&elem, 0x1000008B) // the ELEMENT
-005d54b3 for i in currentCount..=(windowId-1): append elem
-005d553b return arrayProp->vtable[0x10C](windowId - 1) // entry
-```
-
-- **`0x1000008C`** — the per-window option ARRAY (one entry per chat window).
-- **`0x1000008B`** — the property name of each ARRAY ELEMENT (a nested bag).
-
-`PlayerModule::InqChatWindowOption @0x005D5540` / `SetChatWindowOption
-@0x005D5570` are thin `(windowId, propertyId)` accessors over that structure.
-
-### 4.2 The complete `InqChatWindowOption` property family
-
-| id | type | written by | read by |
-|---|---|---|---|
-| `0x1000007F` | bitfield64 | chat options UI (`gmChatOptionsUI::AddCheckboxBitfield64Option @0x0049EDA0`) | `ChatInterface::UpdateFromPlayerModule @0x004F3920`; live via `RecvNotice_GameplayOptionChanged @0x004F30E0` |
-| `0x10000086` | int — window **X** | `gmFloatyChatUI::MoveTo @0x004CE840:004ce892`; `gmFloatyMainChatUI::MoveTo @0x004D2D10:004d2e06` | `UpdateFromPlayerModule` → `MoveTo(x,y)` |
-| `0x10000087` | int — window **Y** | same `MoveTo` sites, `:004ce8da` / `:004d2e4e` | same |
-| `0x10000088` | int — **width** | `gmFloatyChatUI::ResizeTo @0x004CE6D0:004ce722`; `gmFloatyMainChatUI::ResizeTo @0x004D2C00:004d2c5e` | `UpdateFromPlayerModule` → `ResizeTo(w,h)` |
-| `0x10000089` | int — **height** | same `ResizeTo` sites, `:004ce770` / `:004d2cac` | same |
-| `0x1000008A` | bool — **visible / open** | `gmFloatyChatUI::SetVisible @0x004CE9B0:004ce9ff` | `UpdateFromPlayerModule` → `SetVisible` |
-| `0x1000008D` | StringInfo — **window title** | `gmFloatyChatUI::SetWindowTitle @0x004CEAA0:004ceb14` | `UpdateFromPlayerModule @0x004CE3F0:004ce63a` |
-
-Two guards worth porting verbatim:
-
-1. Every write is gated on `m_eWindowID != 0` — **the main chat window (id 0)
- never persists geometry, visibility, title or filter.** Only windows 1..4 do.
-2. Position/size restore is skipped entirely when
- `CPlayerSystem::GetPlayerSystem()->m_layoutFromFile != 0`
- (`004ce4a8`, `004d2a25`) — i.e. a `LoadScreenLayout` file wins over the
- server-side option blob. Visibility and title still restore in that case.
-
-`gmFloatyMainChatUI::MoveTo @0x004D2D10` additionally clamps the window inside
-its parent before delegating (`004d2d53`–`004d2dbb`), so a saved position from a
-larger resolution can never strand the window off-screen.
-
-### 4.3 The local screen-layout file (a second, independent persistence path)
-
-`gmGamePlayUI::SaveScreenLayout @0x004EAD50` / `LoadScreenLayout @0x004EA8F0`
-write a plain-text file (path built by `CreateScreenLayoutPath @0x004EA690`)
-with one line per window:
-
-```
- X:%d Y: %d W: %d H: %d // 0x1000049A
- X:%d Y: %d W: %d H: %d // 0x10000601 ← main chat
- X:%d Y: %d W: %d H: %d // 0x10000505
- … // 0x1000050E
- … // 0x1000050F
- … // 0x10000510
-```
-
-`LoadScreenLayout` matches the 4-character tags back to element ids
-(`004eaa91`, `004eaab8`, `004eaadf`, `004eab06`). This is retail's
-"save/load UI layout" feature and is the `m_layoutFromFile` flag's source.
-Notably it is the ONLY path that persists the **main** chat window's geometry.
-
-### 4.4 The wire
-
-`m_colGameplayOptions` is packed whole into the character-options blob.
-Server side, ACE treats it as **opaque bytes**:
-
-- outbound: `references/ACE/Source/ACE.Server/Network/GameEvent/Events/GameEventPlayerDescription.cs:349-350, 393-394` —
- sets `CharacterOptionDataFlag.GameplayOptions` (`0x00000200`) and writes
- `Character.GameplayOptions` verbatim.
-- inbound: `references/ACE/Source/ACE.Server/Network/GameAction/Actions/GameActionSetCharacterOptions.cs:183-190` —
- *"This is the last message... So it should be all that is left"* — reads the
- remaining bytes and calls `SetCharacterGameplayOptions(bytes)`.
-- storage: `references/ACE/Source/ACE.Database/Models/Shard/Character.cs:49` —
- `public byte[] GameplayOptions`.
-
-**ACE does not parse chat-window options at all.** It stores and echoes the
-blob. Consequences for acdream:
-- Anything acdream writes into that blob will round-trip through ACE unchanged.
-- Nothing on the server validates it, so acdream owns the format entirely —
- which means acdream must match retail's `PropertyCollection` packing exactly
- if a retail client and acdream are ever to share a character.
-- Until acdream can pack it, the cheapest correct behaviour is **local**
- persistence (the existing `SettingsStore` window-layout path), with the wire
- round-trip deferred.
-
----
-
-## 5. acdream inventory — what exists, what is missing
-
-### 5.1 What we mount today
-
-`RetailUiRuntime.MountChat()` — `src/AcDream.App/UI/RetailUiRuntime.cs:670-736`:
-
-```
-676 LayoutImporter.ImportInfos(dats, ChatWindowController.LayoutId) // 0x21000006
-691 ChatWindowController.Bind(info, layout, …)
-708 RetailWindowFrame.Mount(Host.Root, root, …)
-714 WindowName = WindowNames.Chat
-715 Chrome = RetailWindowChrome.NineSlice
-718 ContentWidth = 490f
-728 ResizableEdges = ResizeEdges.Left | ResizeEdges.Right | ResizeEdges.Bottom
-729 Opacity = 0.75f
-```
-
-`ChatWindowController` — `src/AcDream.App/UI/Layout/ChatWindowController.cs`:
-
-- `:29` `LayoutId = 0x21000006`, `:33` `RootId = 0x1000000E`
-- `:34` `ResizeBarId = 0x1000000F` — **dropped** at `:204-205`
-- `:35-42` transcript panel / transcript / track / input bar / menu / input /
- send / max-min ids
-- `:228`, `:237` `BackgroundColor = (0,0,0,0.35)` on transcript and input
-- `:383-426` `ToggleMaximize` — a faithful port of
- `gmMainChatUI::HandleMaximizeButton @0x004CCE50`
-
-### 5.2 Gap list
-
-**G1 and G2 are CLOSED as of Campaign CH slice CH6a (2026-08-10).**
-`ChatWindowController.LayoutId`/`RootId` now import `0x2100006F`/`0x10000600`;
-the crop/rebase/orphan-pruning compensations are deleted; `LayoutImporter`
-gained a Type-9 case (`UiResizeGrip`); `UiRoot` gives a directly-hit grip's
-own edges priority over its generic proximity heuristic; the main window
-mounts with `RetailWindowChrome.Imported` (0x2100006F's own border art is
-its chrome). The two subsections below are kept verbatim as the historical
-diagnosis — do not re-run this investigation.
-
-**G1 — Wrong LayoutDesc for the main window.**
-`ChatWindowController.cs:29` imports `0x21000006` with root `0x1000000E`.
-Retail's EoR main chat window is **LayoutDesc `0x2100006F`**, window element
-`0x10000601`, root `0x10000600`, 410 × 100 (§2.1), evidenced three independent
-ways: the runtime layout dump, `gmGamePlayUI::SetupChildren`/`SaveScreenLayout`
-element ids, and `gmMainChatUI`'s own `0x1000046F` / `0x10000522`–`0x10000525`
-child lookups. `0x21000006` is a different (older/standalone) chat layout — its
-root `0x1000000E` and its 800px-wide resize bar `0x1000000F` appear nowhere in
-the EoR gameplay UI, and `ChatWindowController.cs:185-193` already documents
-that it drags along stray unparented siblings (`0x1000001C/1D/1E`,
-`0x10000526`) that had to be orphaned by hand. Every symptom in the user's
-report (3) — stray geometry, hand-cropped 490px content width, a dropped
-800px resize bar, a 9px hole patched by growing the transcript panel at
-`:210-211` — is downstream of this single choice.
-UNVERIFIED: the exact provenance of `0x21000006`. Cheapest resolution:
-`AcDream.App ui-studio --layout 0x21000006 --dump` next to
-`--layout 0x2100006F --dump` and diff the element sets — one command, no
-connected session.
-
-**G2 — Only three edges resize, and the resize model is not retail's.**
-`RetailUiRuntime.cs:728` sets `ResizableEdges = Left | Right | Bottom`,
-deliberately excluding `Top` because the authored resize bar was dropped (G1).
-`UiRoot.HitEdges` (`src/AcDream.App/UI/UiRoot.cs:999-1010`) does support
-corners — a corner is just two bits — so with `Top` masked out the top-left
-and top-right corners are dead and only the two bottom corners work. That is
-exactly the user's report (2). Retail authors **eight** grips (§2.3) with
-per-grip bool properties `0x2A`/`0x2B`/`0x2C`/`0x2D`. Additionally,
-`LayoutImporter` has no concept of element type 9 (`UIElement_Resizebar`) — grep
-for `Resizebar` in `src/AcDream.App/UI` returns nothing — so authored grips
-would be imported as inert sprites today.
-
-**G3 — Window opacity is completely inert. CLOSED at Campaign CH slice CH6c
-(2026-08-10).** `UiRenderContext.ApplyAlpha` already gated `DrawRect`/
-`DrawFill`/`DrawSprite` before this slice (added back at `1da697ec`, well
-before CH6 — the "zero consumers" framing below described the PUBLIC
-`AlphaMod` property specifically, not the private `_alpha`/`ApplyAlpha` pair
-those three draws already used); the actual gap was narrower than originally
-scoped: (a) `DrawStringDat`/`DrawString` still passed `applyAlpha: false`, so
-TEXT stayed sharp over a translucent window against retail's whole-surface
-`SetOpacity` semantics — CH6c fixed both; (b) nothing ever SET a window's
-`Opacity` below its 1f default, since `RetailUiRuntime.MountChat` deliberately
-left it at 1f pending this slice. CH6c added
-`RetailWindowOpacityController` (`src/AcDream.App/UI/RetailWindowOpacityController.cs`),
-which drives every `RetailWindowManager`-registered window's live `Opacity`
-from keyboard-focus state and the two retail-linked Default/Active floats,
-now exposed as a Settings → Chat tab transparency slider pair
-(`SettingsPanel.RenderChatTab`). See the verified defaults + linking
-behavior above (§3) and register row AP-190. The original paragraph below is
-kept verbatim as the historical record of what CH6a/b actually shipped —
-do not re-run this investigation.
-
-`RetailWindowFrame.cs:157` sets `outerFrame.Opacity`, and
-`UiElement.DrawSelfAndChildren` (`src/AcDream.App/UI/UiElement.cs:465`) and
-`DrawOverlays` (`:513`) push it onto `UiRenderContext`'s alpha stack. But
-**`UiRenderContext.AlphaMod` (`src/AcDream.App/UI/UiRenderContext.cs:55`) has
-zero consumers** — a repo-wide grep over `src/` and `tests/` returns only its
-own declaration plus one `PushAlphaAbsolute` call in `UiMenu.cs:293`. No sprite,
-rect or text draw ever multiplies by it. So `Opacity = 0.75f` at
-`RetailUiRuntime.cs:729` changes nothing, and the only translucency the chat
-window has is the two hard-coded `(0,0,0,0.35)` background tints at
-`ChatWindowController.cs:228` and `:237` plus whatever alpha is baked into the
-DAT chrome textures. That is the user's report (3). Retail applies ONE alpha to
-the whole composited window surface including text (§3).
-
-**G4 — No multi-window support of any kind.**
-`WindowNames` has a single `Chat` entry; `RetailUiRuntime.MountChat()` mounts
-exactly one window; there is no window-id concept, no `0x1000007E` attribute
-read, no filter state, no `0x10000522`–`0x10000525` binding, and no
-`ToggleFloatingChatWindow1..4` input action. Grep for `ToggleFloatingChat` or
-`WindowId` under `src/AcDream.App/UI` returns nothing.
-
-**G5 — No per-window filter state.** The 64-bit `m_llTextTypeFilter` model and
-the `PostInit` seeded defaults are decoded (colour-table doc §4) but unbuilt.
-`ChatWindowController` renders `vm.RecentLinesDetailed()` unfiltered
-(`ChatWindowController.cs:477`).
-
-**G6 — No gameplay-options wire.** `PlayerDescriptionParser.cs:433-443` slices
-the inbound `GameplayOptions` blob **heuristically** (`TryHeuristicInventoryStart`)
-and never parses it; `SocialActions.cs:43-49` records that the outbound
-`SetCharacterOptions (0x01A1)` full-blob builder was **deleted** in CH3 as
-malformed and callerless. So there is currently no way to read or write
-`0x1000008B`/`0x1000008C`.
-
-**G7 — Local persistence has no opacity or window-id dimension.**
-`RetailWindowLayoutPersistence.Capture` (`src/AcDream.App/UI/RetailWindowLayoutPersistence.cs:166-178`)
-stores X/Y/W/H/Visible/Collapsed/Maximized only. It would persist four chat
-windows correctly the moment they are registered under distinct `WindowNames`,
-but it carries no opacity field and no filter field.
-
----
-
-## 6. Recommended CH6 port shape
-
-The single most valuable move is **G1**: import the layouts retail actually
-uses. `0x2100006F` brings the eight resize grips, the 1/2/3/4 indicator buttons
-and a coherent 410 × 100 root; `0x2100005B` is the floaty template. That
-retires the hand-cropping, the dropped resize bar and the 9px patch in one
-change, and it turns G2 from "add a resize model" into "import the one retail
-authored".
-
-### 6.1 Layering (matches the J4.1 communication-state pattern)
-
-**Runtime — `RuntimeCommunicationState` extension** (it already owns the
-transcript, reply/retell targets, rooms, friends and squelch, per
-`docs/research/2026-07-26-slice-j4-1-communication-state.md`). Add a
-presentation-free `ChatWindows` child owning, for ids 0..4:
-- `ulong TextTypeFilter` per window, seeded by retail's `PostInit` switch
-- `bool Open` per window (id 0 always open)
-- `float DefaultOpacity` / `float ActiveOpacity` — **global**, not per-window,
- with retail's `active >= default` coupling enforced in the setter pair
- (`SetDefaultOpacity`/`SetActiveOpacity` semantics, §3)
-- the routing predicate: display iff `windowId == m_eWindowID` **or**
- (`windowId == 0` && `TypeIsActive(type)`) — the rule already decoded in the
- colour-table doc §4, currently living nowhere.
-
-Runtime owns this because no-window headless hosts already consume chat and
-must not depend on presentation, and because the filter decides *routing*, not
-appearance.
-
-**Presentation — one `ChatWindowController` INSTANCE PER WINDOW.** The class is
-already instance-based with no statics; give it a `WindowId` and a
-`layoutId`/root-id pair so the same type binds both `0x2100006F` (main: adds
-talk-focus menu, max/min, four indicator buttons) and `0x2100005B` (floaty:
-adds title bar + close button). Register the four floaties as
-`WindowNames.ChatWindow1..4` so `RetailWindowLayoutPersistence` picks them up
-for free (G7).
-
-**Input.** Four new actions `ToggleFloatingChatWindow1..4` in
-`AcDream.UI.Abstractions/Input/`, defaulted to retail's modifier+digit chords
-(§1.3), dispatched through the existing `InputDispatcher`. The four indicator
-buttons call the same command; their pressed/normal state mirrors window
-visibility exactly as `gmMainChatUI::RecvNotice_SetPanelVisibility` does.
-
-**Settings.** Opacity becomes two `SettingsStore` floats plus two linked
-sliders, matching `gmChatOptionsUI::InitOptions`'s `DualHash` linkage. Defer the
-`0x1000008B`/`0x1000008C` wire (G6) — local persistence first, and file a
-follow-up issue for the blob, because a malformed `0x01A1` is what CH3 already
-had to delete once.
-
-### 6.2 Slice sizing
-
-| work | size | notes |
-|---|---|---|
-| **CH6a** — re-import main chat from `0x2100006F`; import + honour the eight Resizebar grips (element type 9, props `0x2A`–`0x2D`) in `LayoutImporter`; retire the 490px crop, the dropped resize bar and the 9px patch | **one slice**, but the biggest one | Fixes user reports (2) and (3)-artifacts. Visual gate required. |
-| **CH6b** — make `Opacity` real: consume `UiRenderContext.AlphaMod` in every sprite/rect/text draw; delete the two hard-coded `(0,0,0,0.35)` tints | **one slice** | Fixes report (3)-transparency. Touches every widget draw path, so it wants its own slice and its own screenshot gate. Note the divergence: retail fades text too (§3); acdream's current comment at `UiRenderContext.cs:48-50` asserts the opposite as a deliberate choice — that row needs a decision and a register entry either way. |
-| **CH6c** — Runtime `ChatWindows` state (filters + open flags + routing predicate) with no UI | **one slice** | Pure Runtime + tests, no visual gate. |
-| **CH6d** — four floaty windows from `0x2100005B`, per-window controllers, toggle actions, indicator-button mirroring, close button, per-window local persistence | **one slice** | Depends on CH6a + CH6c. Fixes report (1). |
-| **CH6e** — opacity settings UI + the two linked sliders | **small, deferrable** | |
-| **CH6f** — `0x1000008B`/`0x1000008C` gameplay-options packing over `0x01A1` | **separate, later** | Do not bundle. CH3's deleted builder is the cautionary precedent. |
-
-CH6a and CH6b both touch the render/import path and must not be parallelised
-(`feedback_dont_parallelize_coupled_plan_slices`). CH6c is independent and can
-run alongside either.
-
-### 6.3 Divergence-register rows this work implies
-
-- **Retires** any row asserting "chat window is not resizable from the top" once
- CH6a lands.
-- **CLOSED at CH6c**: text now respects window alpha — `DrawStringDat`/
- `DrawString` route through `ApplyAlpha` exactly like `DrawSprite`/`DrawRect`/
- `DrawFill`, matching `ChatInterface::SetOpacity`'s whole-surface fade. No
- divergence row needed for this part.
-- **New row AP-190** (CH6c): acdream applies the two opacity options to EVERY
- `RetailWindowManager` window (chat + floaties + vitals + toolbar +
- everything else), where retail's mechanism only ever runs from
- `ChatInterface`-derived windows; and ships ONE shared default (the base
- `ChatInterface` ctor's 0.5/1.0) rather than `gmMainChatUI`'s per-class
- 1.0/1.0 override for the main window specifically.
-- **New row** for local-only chat-window persistence until CH6f, since retail
- stores this server-side in `GameplayOptions`.
-
----
-
-## Appendix — quick id reference
-
-| id | meaning |
-|---|---|
-| `0x1000007E` | LayoutDesc attribute: chat window id (`m_eWindowID`) |
-| `0x1000007F` | per-window text-type filter (bitfield64) |
-| `0x10000080` | global default (unfocused) opacity (float) |
-| `0x10000081` | global active (focused) opacity (float) |
-| `0x10000086` / `0x10000087` | per-window X / Y |
-| `0x10000088` / `0x10000089` | per-window width / height |
-| `0x1000008A` | per-window visible flag |
-| `0x1000008B` | per-window option-bag element name |
-| `0x1000008C` | the per-window option ARRAY (global gameplay option) |
-| `0x1000008D` | per-window title (StringInfo) |
-| `0x2A` / `0x2B` / `0x2C` / `0x2D` | Resizebar bottom / left / right / top bools |
-| `0x24` | LayoutDesc property: input action that toggles this element |
-| `0x3C` / `0x3D` / `0x3E` / `0x3F` | max height / max width / min height / min width |
-| `0x10000040` | element class `gmFloatyChatUI` |
-| `0x10000041` | element class `gmMainChatUI` |
-| `0x10000050` | element class `gmFloatyMainChatUI` |
-| `9` | element class `UIElement_Resizebar` |
-| `0x2100006F` | LayoutDesc — main chat window |
-| `0x2100005B` | LayoutDesc — floating chat window (all four) |
-| `0x10000601` | main chat window element (``) |
-| `0x10000505` / `0x1000050E` / `0x1000050F` / `0x10000510` | floating chat windows 1–4 (``–``) |
-| `0x10000522`–`0x10000525` | main-window indicator buttons for windows 1–4 |
-| `0x1000052A` | floaty-window close button |
-| `0x100004D9` | floaty-window title bar |
-| `0x1000046F` | main-window max/min button |
diff --git a/docs/research/2026-08-09-chat-side-channels-vs-ace.md b/docs/research/2026-08-09-chat-side-channels-vs-ace.md
deleted file mode 100644
index 6a948c60..00000000
--- a/docs/research/2026-08-09-chat-side-channels-vs-ace.md
+++ /dev/null
@@ -1,786 +0,0 @@
-# Chat side channels vs current ACE — R4 research lane
-
-**Campaign:** CH (chat & interface-text retail parity),
-`docs/plans/2026-08-09-chat-parity-campaign.md` lane R4.
-**Date:** 2026-08-09. **Mode:** research only, no code changed.
-**Sources:** current vendored ACE at `references/ACE/`, named retail decomp at
-`docs/research/named-retail/`, holtburger + Chorizite.ACProtocol cross-checks,
-acdream `src/` as of `2914e43a`.
-
----
-
-## 0. Verdict summary
-
-| Family | Verdict |
-|---|---|
-| **The 26-day-old claim** ("ACE doesn't run a TurbineChat server") | **FALSE.** ACE has a complete TurbineChat implementation, on by default, and we have live logs proving it reaches us. |
-| **Turbine General / Trade / LFG** | Wire-correct end to end. Should already work. If they don't, the cause is a live-state issue, not a codec issue — see the probe in §7.1. |
-| **Turbine Roleplay** | **Broken, root cause found.** ACE never joins the player to Roleplay because `HearRoleplayChat` is not in ACE's `CharacterOptions2.Default`, ACE then filters the sender out of its own broadcast, and acdream neither gates the send nor echoes locally → total silence. |
-| **Turbine Society / Olthoi** | Correctly unavailable (no society, not an Olthoi player). Retail shows a specific refusal; we show nothing. |
-| **Turbine Allegiance (`/a`)** | Wrong transport when the player has no allegiance: acdream silently downgrades to the legacy `AllegianceBroadcast` bitflag. Retail never does this. |
-| **Legacy `/f /v /p /m /cv`** | Wire-correct outbound and inbound. Two presentation defects: every line **double-prints**, and the "not in a fellowship / not in an allegiance" refusals do reach us (they are wired) but the send still looks like it worked. |
-| **Client-side Hear\* settings** | The Settings panel's six "Hear … Chat" toggles are **dead** — never applied to display, never sent to the server. |
-| **`SetCharacterOptions` (0x01A1)** | acdream's builder is **malformed** — latent, currently unreachable from the UI, but it would corrupt server-side options if ever wired up. |
-| **`AddChannel` / `RemoveChannel` (0x0145/0x0146)** | acdream's builders send the wrong payload type (string vs u32 bitfield). Unused today; admin-only on ACE. |
-
-**One-line root cause for "side channels don't work":** we treat the
-`HearChat` character options as a local display preference. Retail and
-ACE treat them as **channel membership**. ACE filters the sender out of its own
-broadcast when the sender's option is off, and retail refuses the send outright
-with a named error. We do neither, so the message vanishes with no feedback.
-
----
-
-## 1. The refuted claim
-
-`docs/ISSUES.md:15214` and `docs/plans/2026-04-11-roadmap.md:429,948` both carry:
-
-> **Note: ACE doesn't run a TurbineChat server — codec is ready for
-> retail-server-emulating setups.**
-
-This is wrong, and has been wrong the whole time. Evidence, strongest first:
-
-1. **ACE source.** `references/ACE/Source/ACE.Server/Network/Handlers/TurbineChatHandler.cs`
- is a full 387-line inbound handler registered
- `[GameMessage(GameMessageOpcode.TurbineChat, SessionState.WorldConnected)]`.
- `GameMessageTurbineChat.cs` is the outbound writer.
- `TurbineChatChannel.cs` holds the room-id constants.
-2. **It is on by default.** `PropertyManager.cs:608` —
- `("use_turbine_chat", new Property(true, …))`.
-3. **We have already received it, repeatedly.** Our own launch logs contain the
- parsed 0x0295 payload with live room ids, e.g.
- `docs/research/2026-08-07-339-portal-space-hang.log:55` and eleven
- 2026-05-21/2026-05-23 capture logs:
-
- ```
- chat: SetTurbineChatChannels parsed enabled=True general=0x00000002
- trade=0x00000003 lfg=0x00000004 roleplay=0x00000005 society=0x00000000
- olthoi=0x0000000A allegiance=0x00000000
- ```
-
- Those are exactly ACE's `TurbineChatChannel` constants. `TurbineChatState.Enabled`
- has been `true` against local ACE since at least 2026-05-21.
-
-**Action:** both the ISSUES entry and the two roadmap rows must be corrected in
-the CH3 commit.
-
----
-
-## 2. acdream inventory (current truth)
-
-### 2.1 Codec — `src/AcDream.Core.Net/Messages/TurbineChat.cs`
-
-Builds and parses the 0xF7DE message. Header is opcode + 9 u32 (36 bytes):
-
-| Off | Field | Build value (outbound request) |
-|---|---|---|
-| 0 | `u32 opcode` | `0xF7DE` |
-| 4 | `u32 sizeFirst` | `40 + payloadLen` |
-| 8 | `u32 blobType` | `3` RequestBinary |
-| 12 | `u32 dispatchType` | `2` SendToRoomById |
-| 16 | `u32 targetType` | `1` |
-| 20 | `u32 targetId` | `0` |
-| 24 | `u32 transportType` | `0` |
-| 28 | `u32 transportId` | `0` |
-| 32 | `u32 cookie` | `0` |
-| 36 | `u32 sizeSecond` | `8 + payloadLen` |
-
-Request payload (`WritePayload`, `TurbineChat.cs:371-381`):
-`u32 contextId`, `u32 2`, `u32 2`, `u32 roomId`, turbine-string message,
-`u32 0x0C`, `u32 senderId`, `u32 0` hresult, `u32 chatType`.
-
-Turbine string codec (`ReadTurbineString`/`WriteTurbineString`,
-`TurbineChat.cs:406-463`): 1-or-2-byte packed length in **UTF-16 code units**,
-then UTF-16LE bytes, no padding. This is the only acdream string type that is
-not CP1252 String16L.
-
-Parse handles three shapes: `(EventBinary, SendToRoomByName)`,
-`(RequestBinary, SendToRoomById)` with a hard reject unless the inner
-response/method ids are both `2`, and `(ResponseBinary, *)`. Unknown
-blob/dispatch pairs are captured verbatim rather than rejected.
-
-### 2.2 Room table — `src/AcDream.Core.Net/Messages/SetTurbineChatChannels.cs`
-
-Parses the 40-byte 0x0295 GameEvent payload as 10 u32 in order:
-allegiance, general, trade, lfg, roleplay, olthoi, society, societyCelHan,
-societyEldWeb, societyRadBlo. Registered in the `WorldSession` ctor
-(`WorldSession.cs:837`) **and** again in `GameEventWiring.cs:184-213`; the
-latter is the one that actually feeds `TurbineChatState.OnChannelsReceived`
-and prints the diagnostic line quoted in §1. `WorldSession.TurbineChannelsReceived`
-has **no production subscriber** — dead event surface, harmless.
-
-### 2.3 State — `src/AcDream.Core/Chat/TurbineChatState.cs`
-
-Holds `Enabled` + the ten room ids + a per-session context cookie starting at 1
-and wrapping to 1. `Reset()` clears everything on session replace. `RoomFor()`
-maps a `ChatChannelKindLite` to a room id. **Nothing in this class knows about
-the Hear\* options.**
-
-### 2.4 Channel classification — `src/AcDream.Core/Chat/ChatChannelInfo.cs`
-
-`Legacy(channelId)` vs `Turbine(roomId, chatType, dispatchType)`, plus
-`IsSelfEchoChannel()`: true for legacy Fellow/Vassals/Patron/Monarch/CoVassals,
-false for Turbine. **This type is never consulted by any production send path.**
-It exists only for its own unit tests (`ChatChannelInfoTests`). The
-`ChannelResolver` referenced in the brief lives at
-`src/AcDream.UI.Abstractions/ChannelResolver.cs`, not under `Core/Chat/`.
-
-### 2.5 Legacy resolver — `src/AcDream.UI.Abstractions/ChannelResolver.cs`
-
-| Kind | Id | ACE `Channel` | Match |
-|---|---|---|---|
-| Fellowship | `0x00000800` | `Fellow` | ✔ |
-| Allegiance | `0x02000000` | `AllegianceBroadcast` | ✔ value, ✘ semantics (§5.3) |
-| Vassals | `0x00001000` | `Vassals` | ✔ |
-| Patron | `0x00002000` | `Patron` | ✔ |
-| Monarch | `0x00004000` | `Monarch` | ✔ |
-| CoVassals | `0x01000000` | `CoVassals` | ✔ |
-
-### 2.6 Outbound send paths
-
-**Graphical**, `src/AcDream.App/Net/LiveSessionCommandRouter.cs:247-286`:
-
-```
-SendChatCmd
- ├ Say → SendTalk (no local echo — waits for the authoritative line)
- ├ Tell → SendTell + Chat.OnSelfSent(Tell)
- ├ TurbineChatRouting.Resolve(kind, TurbineChat) → non-null?
- │ → SendTurbineChat(room, chatType, SendToRoomById, playerGuid, text, cookie)
- │ (NO OnSelfSent)
- ├ ChannelResolver.Resolve(kind) → non-null?
- │ → SendChannel(legacyId, text) + Chat.OnSelfSent(Channel, displayName)
- └ else → log "dropped" and return
-```
-
-`TurbineChatRouting.Resolve` (same file, ~line 388) gates only on
-`state.Enabled` and `Room != 0`.
-
-**Headless**, `src/AcDream.Runtime/Session/DirectGameRuntimeCommandAdapter.cs:949-990`
-— same order, same gate, no echo either way.
-
-**Wire builders:**
-- `WorldSession.SendTurbineChatTo` (`WorldSession.cs:2602-2638`) — hard-codes
- `targetType=1`, everything else 0, `extraDataSize=0x0C`, outer `cookie=0`,
- inner `contextId` = the caller's cookie. Sends through `SendGameAction` →
- `SendGameMessage` → `GameMessageGroup.UIQueue`.
-- `WorldSession.SendChannel` (`WorldSession.cs:2090-2096`) →
- `ChatRequests.BuildChatChannel` (`ChatRequests.cs:89-100`):
- `[0xF7B1][seq][0x0147][u32 channelId][String16L message]`, CP1252,
- 4-byte aligned.
-
-### 2.7 Inbound handling
-
-- **0xF7DE** — `WorldSession.cs:1855-1866` parses and raises `TurbineChatReceived`;
- `LiveSessionEventRouter.cs:280-283` subscribes;
- `RouteTurbineChat` (`LiveSessionEventRouter.cs:479-489`) forwards **only**
- `EventSendToRoom` into `ChatLog.OnChannelBroadcast(roomId, sender, text, displayName)`.
- `Response` (the ack) and `Unknown` are **silently discarded** — no logging, no
- hResult inspection.
-- **0x0147 ChannelBroadcast** — `GameEventWiring.cs:102-106` →
- `GameEvents.ParseChannelBroadcast` (`u32 channelId`, `String16L sender`,
- `String16L message`) → `ChatLog.OnChannelBroadcast`.
-- **0x028A / 0x028B WeenieError(WithString)** — wired at
- `GameEventWiring.cs:220-229` into `ChatLog.OnWeenieError`, and
- `WeenieErrorMessages` has the relevant strings: `0x051D` "Turbine Chat is
- enabled.", `0x051B/0x051C` channel enter/leave, `0x0414` not in allegiance,
- `0x050F` not in a Fellowship.
-- **Rendering** — `ChatVM.FormatEntry` renders `ChatKind.Channel` as
- `[Name] Sender says, "text"`, or `[Name] You say, "text"` when the sender is
- empty or "You". `ChatWindowController.RetailChatColor` gives Channel
- `colorLightBlue`. No filtering by channel anywhere.
-
-### 2.8 Command parsing
-
-`ChatCommandRouter.Submit` → retail client-command catalog → local `/help` →
-degenerate-prefix guard → unknown-verb `@`-passthrough → `ChatInputParser.Parse`.
-`ChatInputParser.ChannelVerbs` (`ChatInputParser.cs:55-82`) covers
-`/g /general /gen /f /fellow /fellowship /a /allegiance /m /monarch /p /patron
-/v /vassals /cv /covassals /lfg /lookingforgroup /trade /tr /role /rp /roleplay
-/society /olthoi`. No collisions with `RetailClientCommandCatalog`. **The verb
-layer is fine.**
-
----
-
-## 3. The ACE contract
-
-### 3.1 TurbineChat inbound — `TurbineChatHandler.cs:20-60`
-
-Registered `[GameMessage(GameMessageOpcode.TurbineChat, SessionState.WorldConnected)]`.
-Reads, in order (all little-endian u32 unless noted):
-
-| # | Field | ACE comment / use |
-|---|---|---|
-| 1 | size | "Bytes to follow" — read and discarded |
-| 2 | `chatBlobType` | must be `3` NETBLOB_REQUEST_BINARY, else "Unhandled" console line |
-| 3 | `chatBlobDispatchType` | `1` byName / `2` byId — only affects channel re-derivation |
-| 4 | — | "Always 1" |
-| 5–8 | — | "Always 0" ×4 |
-| 9 | size | "Bytes to follow" — read and discarded |
-| — | *gag check* | `session.Player.IsGagged` → `SendGagError()`, return |
-| 10 | `contextId` | echoed in the ack |
-| 11 | — | "Always 2" |
-| 12 | — | "Always 2" |
-| 13 | `channelID` | room id |
-| 14 | message | packed-byte length (`&0x80` ⇒ 2-byte), then `len*2` bytes, `Encoding.Unicode` |
-| 15 | — | "Always 0x0C" |
-| 16 | `senderID` | client-supplied, not validated |
-| 17 | — | "Always 0" |
-| 18 | `chatType` | `ChatType` enum |
-
-**acdream's outbound matches this field-for-field.** Sizes match too: ACE
-backpatches `firstSize = end - firstSizePos + 4` = `40 + payloadLen` and
-`secondSize = end - secondSizePos + 4` = `8 + payloadLen`, identical to
-`TurbineChat.Build` lines 332-333.
-
-### 3.2 TurbineChat outbound — `GameMessageTurbineChat.cs:79-136`
-
-Sent on `GameMessageGroup.LoginQueue`.
-
-**`NETBLOB_EVENT_BINARY` (the broadcast):** header is
-`size, 1, 1, 1, 0x000B00B5, 1, 0x000B00B5, 0, size`; payload is
-`u32 channel`, packed-byte + UTF-16 `senderName`, packed-byte + UTF-16 `message`,
-`u32 0x0C`, `u32 senderID`, `u32 0`, `u32 chatType`. Dispatch type is always
-`ASYNCMETHOD_SENDTOROOMBYNAME (1)` even for a byId request.
-**acdream's `(EventBinary, SendToRoomByName)` parse matches.**
-
-**`NETBLOB_RESPONSE_BINARY` (the ack):** same header, payload
-`u32 contextId, u32 2, u32 2, u32 0`.
-**acdream parses it, then throws it away** (`RouteTurbineChat` early-returns).
-
-*ACE bug worth knowing:* the ≥128-char branch of the `senderName` prefix writes
-`message.Length`, not `senderName.Length` (`GameMessageTurbineChat.cs:98`).
-Unreachable in practice (no AC character name is ≥128 chars).
-
-### 3.3 Room-id table — `TurbineChatChannel.cs`
-
-`Allegiance=1, General=2, Trade=3, LFG=4, Roleplay=5, Society=6,
-SocietyCelestialHand=7, SocietyEldrytchWeb=8, SocietyRadiantBlood=9, Olthoi=10`.
-
-`GameEventSetTurbineChatChannels` writes 10 u32:
-`allegiance, 2, 3, 4, 5, 10, society, 7, 8, 9`. Only `allegiance` and `society`
-are dynamic — `allegiance` is the allegiance's `Biota.Id` (a large uint, **not**
-the sentinel `1`), `society` is 7/8/9 or 0.
-
-**Critical:** this table is sent whole every time, regardless of which channels
-the player is actually joined to. `roleplay=0x00000005` in our log means "the
-Roleplay room's id is 5", **not** "you are in the Roleplay room."
-
-### 3.4 When ACE pushes 0x0295 — `Player_Networking.cs:85-110`
-
-```csharp
-if (PropertyManager.GetBool("use_turbine_chat").Item) {
- EnqueueSend(new GameEventWeenieError(Session, WeenieError.TurbineChatIsEnabled));
- if (IsOlthoiPlayer) JoinTurbineChatChannel("Olthoi");
- else {
- if (GetCharacterOption(ListenToAllegianceChat) && Allegiance != null) JoinTurbineChatChannel("Allegiance");
- if (GetCharacterOption(ListenToGeneralChat)) JoinTurbineChatChannel("General");
- if (GetCharacterOption(ListenToTradeChat)) JoinTurbineChatChannel("Trade");
- if (GetCharacterOption(ListenToLFGChat)) JoinTurbineChatChannel("LFG");
- if (GetCharacterOption(ListenToRoleplayChat)) JoinTurbineChatChannel("Roleplay");
- if (GetCharacterOption(ListenToSocietyChat) && Society != FactionBits.None) JoinTurbineChatChannel("Society");
- }
-}
-```
-
-`JoinTurbineChatChannel` sends `WeenieErrorWithString.YouHaveEnteredThe_Channel`
-(0x051B) then `SendTurbineChatChannels()`. Also fired from
-`GameActionSetSingleCharacterOption` when the client toggles a Hear\* option,
-and from allegiance changes.
-
-### 3.5 Character options — the gate that matters
-
-`CharacterOptions2` (`ACE.Entity/Enum/CharacterOptions2.cs`):
-
-| Bit | Name | In `Default`? |
-|---|---|---|
-| `0x00000100` | HearGeneralChat | **yes** |
-| `0x00000200` | HearTradeChat | **yes** |
-| `0x00000400` | HearLFGChat | **yes** |
-| `0x00000800` | HearRoleplayChat | **NO** |
-| `0x00080000` | HearSocietyChat | **NO** |
-
-`Default = 0x00948700`. `CharacterOptions1.Default` includes
-`HearAllegianceChat (0x40000000)`; `CharacterOptions1.Default = 0x50C4A54A`
-(corrected 2026-08-09 at the CH3 Opus review — the original filing here
-had `0x50C48D4A`, a copy error with no basis in ACE's own source; ACE's
-`CharacterOptions1.cs:47` OR-sum is `0x50C4A54A`, confirmed by its own
-inline comment `// 1355064650`, and is identical to acdream's
-`PlayerDescriptionParser.cs:217`. This wrong literal is what filed the
-now-retracted UN-9 register row).
-`PlayerFactory.CharacterCreateSetDefaultCharacterOptions` sets exactly these
-two defaults on every new character.
-
-acdream's `RuntimeCharacterOptionsState.DefaultOptions2 = 0x00948700`
-(`RuntimeCharacterState.cs:609`) — **byte-identical to ACE.** We already model
-the right value; we just don't act on it.
-
-### 3.6 Delivery gates on a room send
-
-Every branch of `TurbineChatHandler` broadcasts with
-`foreach (var recipient in PlayerManager.GetAllOnline())` — **the sender is in
-that set.** There is no `if (recipient == session.Player) continue`. So the
-sender's own copy comes back through the normal event path, subject to the same
-per-recipient filter:
-
-```csharp
-if (channelID == General && !recipient.GetCharacterOption(ListenToGeneralChat) ||
- channelID == Trade && !recipient.GetCharacterOption(ListenToTradeChat) ||
- channelID == LFG && !recipient.GetCharacterOption(ListenToLFGChat) ||
- channelID == Roleplay && !recipient.GetCharacterOption(ListenToRoleplayChat))
- continue;
-```
-
-Separately, the sender always gets a `NETBLOB_RESPONSE_BINARY` ack.
-
-**Config gates, with defaults from `PropertyManager.cs`:**
-
-| Property | Default | Effect if tripped |
-|---|---|---|
-| `use_turbine_chat` | **true** | whole 0xF7DE path is a no-op |
-| `chat_disable_general/trade/lfg/roleplay` | false | per-channel kill switch |
-| `chat_echo_only` | false | loops back to sender only |
-| `chat_requires_account_15days` | **false** | reject |
-| `chat_requires_account_time_seconds` | 0 | reject |
-| `chat_requires_player_age` | 0 | reject |
-| `chat_requires_player_level` | 0 | reject |
-| `chat_echo_reject` / `chat_inform_reject` | — | whether a rejected sender sees anything |
-| `Player.IsGagged` | false | drop + gag error |
-
-**On a stock local ACE none of these block General/Trade/LFG.** The only live
-filter is the per-recipient `CharacterOption`.
-
-### 3.7 Legacy channels — `GameActionChatChannel.cs`
-
-One multiplexed action, `GameActionType.ChatChannel = 0x0147`:
-`u32 Channel` then `String16L message`. **acdream's `BuildChatChannel` matches.**
-
-Outbound `GameEventChannelBroadcast` (GameEventType `0x0147`):
-`u32 channel`, `String16L senderName`, `String16L messageText`.
-**acdream's `ParseChannelBroadcast` matches.**
-
-| Channel | Precondition | Success | Failure |
-|---|---|---|---|
-| `Fellow 0x800` | has Fellowship | broadcast to members (real name) **+ self-echo with `senderName=""`** | `WeenieError.YouDoNotBelongToAFellowship (0x050F)` |
-| `Vassals 0x1000` | allegiance + `TotalVassals != 0` | broadcast + self-echo `""` | `YouAreNotInAllegiance (0x0414)` / `YouCantUseThatChannel (0x0423)` |
-| `Patron 0x2000` | allegiance + `PatronId` | send to patron + self-echo `""` | same pair |
-| `Monarch 0x4000` | allegiance + `MonarchId` | send to monarch + self-echo `""` | same pair |
-| `CoVassals 0x1000000` | allegiance + `PatronId` | patron + siblings + self-echo `""` | same pair |
-| `AllegianceBroadcast 0x2000000` | allegiance + permission ≥ Speaker | broadcast to all members, sender included **with real name** (no `""` echo) | `YouAreNotInAllegiance` / `YouDoNotHaveAuthorityInAllegiance (0x0535)` |
-| `Help 0x400` | none | placeholder text, **explicitly unfinished** | — |
-| unknown | — | `Console.WriteLine`, **silently dropped, nothing sent to client** | — |
-
-*ACE quirk:* the Fellow branch's `else` fires the self-echo once per
-non-qualifying member, so a fellowship with N squelchers gives the sender N+1
-self-echoes.
-
-`AddChannel (0x0145)` / `RemoveChannel (0x0146)` read a **u32 `Channel`
-bitfield**, not a string, and return early unless the player is an
-Advocate/admin with the channel in `ChannelsAllowed`.
-
-### 3.8 `SetCharacterOptions (0x01A1)` — `GameActionSetCharacterOptions.cs`
-
-```
-u32 flags (CharacterOptionDataFlag)
-i32 characterOptions1 → SetCharacterOptions1() [always read]
-[Shortcut block if flags & 0x01]
-u32 numTab1Spells + spells [always read]
-[MultiSpellList 0x04] [ExtendedMultiSpellLists 0x10] [SpellLists8 0x400]
-[DesiredComps 0x08] [SpellbookFilters 0x20]
-[CharacterOptions2 0x40] → i32 → SetCharacterOptions2()
-[TimestampFormat 0x80] [GenericQualitiesData 0x100] [GameplayOptions 0x200]
-```
-
-Also refused entirely before `FirstEnterWorldDone`.
-
-`SetSingleCharacterOption` is `GameActionType = 0x0005`, payload
-`u32 option, u32 value`. For the six `ListenTo*` options its handler sets the
-option **and** calls `JoinTurbineChatChannel` / `LeaveTurbineChatChannel`. **This
-is the only wire message that changes Turbine room membership.**
-
----
-
-## 4. Retail truth
-
-### 4.1 Rooms are pushed, never requested
-
-`ClientCommunicationSystem::Handle_Communication__Recv_ChatRoomTracker @ 0x0056e4f0`:
-
-```c
-gmCCommunicationSystem::SetChatRoomTracker(arg2);
-if (tracker) {
- // BN renders the field read as GetMouseX(tracker) — heuristic artifact
- bool hasAllegRoom = tracker->m_allegianceRoomID != 0;
- gmCCommunicationSystem::SetTalkFocusEnabled(7, hasAllegRoom);
- if (WantsToBeInAllegChat() && hasAllegRoom) SetTalkFocus(7);
-}
-```
-
-Pure passive storage plus a UI affordance. No join request is emitted anywhere
-in the decomp. The retail struct (`acclient.h:40716`) is 10 × u32 in exactly the
-order ACE writes:
-
-```c
-struct ChatRoomTracker : PackObj {
- unsigned int m_allegianceRoomID, mGeneralChatRoomID, mTradeChatRoomID,
- mLFGChatRoomID, mRoleplayChatRoomID, mOlthoiChatRoomID,
- mSocietyChatRoomID, mSocietyCelHanChatRoomID,
- mSocietyEldWebChatRoomID, mSocietyRadBloChatRoomID;
-};
-```
-
-### 4.2 What retail sends into a room — and the gate we're missing
-
-Each per-channel entry point reads its own field off the tracker and passes the
-player's own Hear\* option as the last argument
-(`acclient_2013_pseudo_c.txt:394282-394447`):
-
-```c
-DoTurbineChat_General → SendTurbineChat(this, tracker.mGeneralChatRoomID, General_ChatTypeEnum, &text, PlayerModule::HearGeneralChat(...));
-DoTurbineChat_Trade → SendTurbineChat(this, tracker.mTradeChatRoomID, Trade_ChatTypeEnum, &text, PlayerModule::HearTradeChat(...));
-DoTurbineChat_LFG → SendTurbineChat(this, tracker.mLFGChatRoomID, LFG_ChatTypeEnum, &text, PlayerModule::HearLFGChat(...));
-DoTurbineChat_Roleplay → SendTurbineChat(this, tracker.mRoleplayChatRoomID, Roleplay_ChatTypeEnum, &text, PlayerModule::HearRoleplayChat(...));
-DoTurbineChat_Olthoi → SendTurbineChat(this, tracker.mOlthoiChatRoomID, Olthoi_ChatTypeEnum, &text, CPlayerSystem::IsOlthoi() != 0);
-DoTurbineChat_Allegiance → SendTurbineChat(this, tracker.m_allegianceRoomID, Allegiance_ChatTypeEnum, &text, PlayerModule::HearAllegianceChat(...));
-```
-
-`ClientCommunicationSystem::SendTurbineChat @ 0x0057db10` — **this is the
-load-bearing function for the whole diagnosis**:
-
-```c
-if (!CCommunicationSystem::IsUsingTurbineChat() || roomId <= 0) {
- AddTextToScroll("Turbine chat is not available.\n"); // local, nothing sent
- return;
-}
-if (hearOption == 0) { // 0x0057db37
- ChannelSystem::GetGlobalChannelName(chatType, &name);
- HandleFailureEvent(this, 0x551, &name); // YouAreNotListeningTo_Channel
- return 1; // NOTHING IS SENT
-}
-if (!IsMessageSafe(text)) return;
-if (IsMessageSpam()) { AddTextToScroll("You must wait %ds before communi…"); return 0; }
-blob = new TurbineChatBlob{ m_targetID = GetPlayerID(), m_ChatType = chatType };
-if (CCommunicationSystem::CSendToTurbineRoomByID(roomId, wideText, ...) failed)
- AddTextToScroll("Failed to send text to channel: …");
-```
-
-Three distinct retail refusals, all locally raised, none of which acdream has:
-
-| Condition | Retail behaviour |
-|---|---|
-| Turbine off, or room id 0 | prints `Turbine chat is not available.` |
-| Player's own Hear\* option off | raises `0x0551 YouAreNotListeningTo_Channel` → *"You are not listening to the <X> channel."* |
-| Spam throttle | prints `You must wait Ns before communicating again` |
-
-`0x0551` is confirmed as `YouAreNotListeningTo_Channel` in
-`references/ACE/Source/ACE.Entity/Enum/WeenieErrorWithString.cs:479`.
-
-Retail emits **no local echo** on success — it relies on the server's broadcast
-coming back, exactly as ACE's `GetAllOnline()` loop provides. That is consistent
-and correct: the option gate is what guarantees the echo will arrive.
-
-### 4.3 `/a` is Turbine, not legacy
-
-`StartupTurbineChatSystem @ 0x00594451ff.` binds the command strings `"a"` and
-`"guild"` to `DoTurbineChat_Allegiance`. Once Turbine chat is up, `/a` is
-**overridden away** from the generic `ChannelSystem::GetChannelID("allegiance")
-→ 0x02000000 → Event_ChannelBroadcast` path. Retail never silently downgrades
-`/a` to the legacy bitflag — with no allegiance room it hits the
-`roomId <= 0` branch and prints *"Turbine chat is not available."*
-
-### 4.4 Legacy family wire shape
-
-`CM_Communication::Event_ChannelBroadcast @ 0x006a4030` writes
-`u32 0x0147`, `u32 channelBitmask`, packed string, DWORD-aligned — inside the
-ordinary GameAction (`OrderHdr`) envelope. Call sites confirm the bitmasks:
-`0x800` Fellow, `0x2000` Patron, `0x4000` Monarch, `0x1000` Vassals,
-`0x2000000` AllegianceBroadcast, `0x400` Help.
-**acdream's `BuildChatChannel` is byte-identical.**
-
-### 4.5 Inbound 0xF7DE in retail
-
-`Client::ProcessLogonEventQueue` (line 18426, pumped every frame from
-`Client::UseTime`) strips the 4-byte tag + 4-byte length and hands the raw
-remainder to `IChatClient` vtable slot 3 — implemented in `chatclient.dll`,
-outside the PDB. So the inner blob layout is **not** directly observable in
-acclient.exe; our field table is ACE's reconstruction, independently
-corroborated by `TurbineChatBlob` being exactly 12 bytes (matching the hard-coded
-`extraDataSize = 0x0C`) and by `ChatRoomTracker`'s field order.
-
-**Reference-quality caveat:** holtburger's `turbine.rs` fixtures are labelled
-`Generated from ACE: SyntheticProtocolTests.GenerateTurbineChatFixtures`. It
-corroborates ACE; it is **not** an independent retail capture. Our codec cites
-holtburger throughout — that citation chain ultimately terminates at ACE, which
-is fine here because ACE is the server we talk to, but it should not be
-described as retail-verified.
-
----
-
-## 5. Per-family defect diagnosis
-
-### 5.1 Turbine General / Trade / LFG — **wire-correct, should already work**
-
-- Outbound bytes match `TurbineChatHandler`'s reader field-for-field, including
- both self-referential size dwords (§3.1).
-- Inbound `EventBinary/SendToRoomByName` matches ACE's writer (§3.2), the
- payload-length arithmetic reconciles (`sizeSecond - 8 == payloadLen`), and
- `RouteTurbineChat` delivers it to `ChatLog` with the right display name.
-- ACE's defaults leave `HearGeneralChat/TradeChat/LFGChat` **on**, so the sender
- is not filtered out of `GetAllOnline()` and their own line comes back.
-- No config gate blocks these on stock ACE.
-
-**Defect (latent, becomes fatal the moment the option is off):** we never check
-the option before sending, and we emit no local echo. If the user (or a future
-Settings sync) ever turns General off server-side, `/g` becomes silent with zero
-feedback instead of retail's *"You are not listening to the General channel."*
-
-**Defect (real, minor):** we discard the `ResponseBinary` ack including its
-`hResult`, so a server-side rejection is invisible.
-
-### 5.2 Turbine Roleplay — **BROKEN. This is the headline defect.**
-
-Causal chain, every link verified:
-
-1. ACE gives new characters `CharacterOptions2.Default = 0x00948700`, which
- **omits `HearRoleplayChat (0x800)`** (`CharacterOptions2.cs`).
-2. At login ACE therefore skips `JoinTurbineChatChannel("Roleplay")`
- (`Player_Networking.cs:104`). The player is never in the room.
-3. 0x0295 still reports `roleplay=0x00000005` because the table is a constant
- dump — this is exactly the log line that made the channel look available.
-4. acdream's `TurbineChatRouting.Resolve` sees `RoleplayRoom == 5 != 0` and
- `Enabled == true`, so `/rp hello` **is sent**, correctly framed.
-5. ACE parses it fine, builds the broadcast, then in the recipient loop hits
- `channelID == Roleplay && !recipient.GetCharacterOption(ListenToRoleplayChat)
- → continue` — **and the sender is one of those recipients.**
-6. The sender receives only the `ResponseBinary` ack, which
- `RouteTurbineChat` throws away.
-7. acdream emits no local echo for Turbine channels.
-
-**Net: the message is silently swallowed.** Retail would have refused at step 4
-with `YouAreNotListeningTo_Channel`.
-
-Same chain applies to **Society** (`HearSocietyChat` also absent from Default,
-plus no society → `SocietyRoom == 0`, so we at least fall through to the
-"dropped" log) and **Olthoi** (`IsOlthoiPlayer` false → ACE `return`s at
-`TurbineChatHandler.cs:146`, no error to the client at all).
-
-**Aggravating factor:** `src/AcDream.UI.Abstractions/Panels/Settings/ChatSettings.cs`
-defaults `HearRoleplayChat: true` and the Settings panel shows a checked box —
-the UI actively tells the user Roleplay is on while the server has it off. Those
-six toggles are read from and written to `settings.json` and **consumed by
-nothing**: no display filter, no wire message. Confirmed by grep — the only
-non-Settings references are the store and the panel itself.
-
-### 5.3 Turbine Allegiance (`/a`) — **wrong transport on the no-allegiance path**
-
-`TurbineChatRouting.Resolve` returns null when `AllegianceRoom == 0`, so
-`/a` falls through to `ChannelResolver` → legacy `AllegianceBroadcast 0x02000000`
-→ ACE replies `YouAreNotInAllegiance`. The user does get an error, so this is
-low-severity, but:
-
-- Retail binds `/a` to `DoTurbineChat_Allegiance` unconditionally (§4.3) and
- prints *"Turbine chat is not available."* instead.
-- With an allegiance, retail's `/a` and acdream's `/a` agree (both Turbine).
-- We have **no verb for `/ab`** (allegiance broadcast), which is the command
- that legitimately maps to `0x02000000`. So we have the right id bound to the
- wrong verb, and the right verb missing.
-
-Also unhandled: ACE's allegiance room id is `Allegiance.Biota.Id`, a large uint
-well above `Olthoi (10)`. `TurbineChatDisplayNames.Resolve` keys off `chatType`
-not `roomId`, so it renders correctly — no defect, worth a note.
-
-### 5.4 Legacy `/f /v /p /m /cv` — **wire-correct, presentation broken**
-
-Outbound `[0x0147][channelId][String16L]` matches both ACE's reader and retail's
-`Event_ChannelBroadcast`. Inbound parse matches `GameEventChannelBroadcast`.
-Channel ids all match. Errors are wired and have strings.
-
-**Defect — double print.** ACE sends the sender a second
-`GameEventChannelBroadcast` with `senderName = ""`, which `ChatVM` renders as
-`[Fellowship] You say, "…"`. `LiveSessionCommandRouter.cs:283-286` **also**
-calls `Chat.OnSelfSent(ChatKind.Channel, …)`, which renders the same line.
-Result: every `/f`, `/v`, `/p`, `/m`, `/cv` line appears **twice**.
-
-`ChatChannelInfo.IsSelfEchoChannel()` exists precisely to prevent this — its
-doc comment says "caller should suppress optimistic local echo to avoid
-double-printing" — and **no production code calls it.** The abstraction was
-built and never wired.
-
-*(Note `AllegianceBroadcast 0x02000000` does not get the `""` echo — the sender
-appears in the normal member iteration with their real name — so for that one
-channel the local `OnSelfSent` is arguably right. A correct fix must branch, not
-blanket-remove.)*
-
-**Defect — silent failure looks like success.** On `YouDoNotBelongToAFellowship`
-the user does get the error line (it's wired), but they also get the
-`OnSelfSent` echo first, so the transcript reads "You say X" followed by "You do
-not belong to a Fellowship." Fixing the double-print fixes this too.
-
-**Unimplemented on ACE:** `Channel.Help (0x400)` is an explicit placeholder;
-unknown channel ids are dropped with no client-visible response.
-
-### 5.5 Latent wire defects (not currently reachable, fix before they bite)
-
-**`SetCharacterOptions (0x01A1)` is malformed.**
-`SocialActions.BuildSetCharacterOptions` (`SocialActions.cs:136-144`) emits a
-16-byte body: `[0xF7B1][seq][0x01A1][optionsBitmap]`. ACE reads that single u32
-as `flags`, then reads `characterOptions1` past the end of the payload.
-Worse, `CharacterOptionDataFlag.CharacterOptions2 = 0x40` collides with
-`CharacterOptions1.AllowGive = 0x40`, which **is** set in
-`CharacterOptions1.Default (0x50C4A54A)` (corrected 2026-08-09 at the CH3
-Opus review; see the §3.5 correction note above — same copy error, same
-fix) — so ACE would also try to read an
-options2 value. Reachable only via `IGameRuntimeCommands.SetOptions1`, which has
-no production call site (grep: only tests). **Latent, but this is the exact
-message a Settings-sync feature would reach for.**
-
-**`AddChannel (0x0145)` / `RemoveChannel (0x0146)` send the wrong type.**
-`SocialActions` documents them as `string16L channelName`; ACE reads
-`(Channel)ReadUInt32()`. Both are admin-only on ACE and neither has a caller.
-
-**No `SetSingleCharacterOption (0x0005)` sender exists.** This is the only
-message that changes Turbine room membership, and we cannot send it.
-
----
-
-## 6. Ordered fix list (CH3)
-
-Ordered so each step is independently gate-able and the earliest steps are the
-ones that make the user-visible symptom go away.
-
-1. **Correct the false claim.** Delete the "ACE doesn't run a TurbineChat
- server" note from `docs/ISSUES.md:15214` and
- `docs/plans/2026-04-11-roadmap.md:429,948`. Same commit as any code.
-
-2. **Make `Hear*` a first-class gate on the outbound Turbine path** (retail
- `SendTurbineChat @ 0x0057db10`). `TurbineChatRouting.Resolve` — and its
- headless twin `DirectGameRuntimeCommandAdapter.TrySendChannel` — must consult
- `RuntimeCharacterOptionsState.Options2` (and `Options1.HearAllegianceChat`,
- and `IsOlthoi` for Olthoi) before sending, and raise the retail refusal
- locally instead of sending:
- - Turbine off or room id 0 → `"Turbine chat is not available."`
- - option off → `WeenieErrorWithString 0x0551 YouAreNotListeningTo_Channel`
- with the channel name → add `[0x0551] = "You are not listening to the _
- channel."` to `WeenieErrorMessages`.
- This alone converts the Roleplay/Society/Olthoi silence into retail-correct
- feedback. **Do this before step 3** so the behaviour is right even if the
- user chooses to leave the channel off.
-
-3. **Implement `SetSingleCharacterOption (0x0005)`** — `u32 option, u32 value` —
- and wire the six Settings "Hear … Chat" toggles to it. ACE's handler will
- call `JoinTurbineChatChannel`/`LeaveTurbineChatChannel` and re-push 0x0295,
- and we already render the resulting `YouHaveEnteredThe_Channel` line. Option
- ids from ACE `CharacterOption.cs`: `ListenToAllegianceChat`,
- `ListenToGeneralChat 0x23`, `ListenToTradeChat 0x24`, `ListenToLFGChat 0x25`,
- `ListenToRoleplayChat 0x26`, `ListenToSocietyChat`. This is what actually
- turns Roleplay **on**.
-
-4. **Seed `ChatSettings` from the server, not from a local default.** Its
- `HearRoleplayChat: true` default is a lie relative to ACE's
- `CharacterOptions2.Default`. Drive the panel from
- `RuntimeCharacterOptionsState.Options2` (already parsed out of
- PlayerDescription) so the checkbox reflects server truth, and make the
- toggle publish step 3's command. Remove the "local-only" claim from the
- `ChatSettings` doc comment.
-
-5. **Kill the legacy double-print.** Make `LiveSessionCommandRouter` consult
- `ChatChannelInfo.IsSelfEchoChannel()` (finally wiring the type that exists
- for this) and skip `OnSelfSent` for
- Fellow/Vassals/Patron/Monarch/CoVassals, keeping it for
- `AllegianceBroadcast`, Say and Tell. Add a conformance test per channel id.
-
-6. **Stop discarding the TurbineChat ack.** `RouteTurbineChat` should inspect
- `Payload.Response.HResult` and surface a non-zero result as a system line;
- at minimum log it. Today a server-side rejection is completely invisible.
-
-7. **Route `/a` through Turbine unconditionally** (retail
- `StartupTurbineChatSystem`), i.e. remove the silent legacy downgrade, and add
- `/ab` / `/allegiancebroadcast` bound to legacy `0x02000000`. Register row for
- any residual divergence.
-
-8. **Fix or delete the malformed builders.** Either implement
- `BuildSetCharacterOptions` against ACE's real `GameActionSetCharacterOptions`
- layout (§3.8) or delete it and `SetOptions1` until there is a caller; same
- for `BuildAddChannel`/`BuildRemoveChannel` (u32 bitfield, not string). Do not
- leave a malformed message one call site away from production.
-
-9. **Register + memory.** Rows in
- `docs/architecture/retail-divergence-register.md` for anything that stays
- divergent (e.g. no spam throttle, `Channel.Help` unimplemented server-side);
- update `claude-memory/project_chat_pipeline.md`, whose line 111 carries the
- same false "ACE doesn't run a TurbineChat server" claim.
-
----
-
-## 7. Live probes (only where the source cannot settle it)
-
-Everything above is settled from source **except** whether General/Trade/LFG are
-actually working today. The static analysis says they are; the user reports side
-channels don't work. Two cheap probes discriminate, and neither requires new
-code beyond one log line.
-
-### 7.1 Is General round-tripping at all?
-
-Already-existing instrumentation covers the send side —
-`LiveSessionCommandRouter.cs:254-257` logs
-`chat: outbound TurbineChat General room=0x… chatType=2 cookie=0x… sender=0x… len=…`.
-
-Procedure: launch against local ACE, type `/g test`, then grep the launch log
-for `outbound TurbineChat`.
-
-- **Line present, `/g test` appears in the chat window** → General works;
- the reported breakage is Roleplay/Society/Olthoi/`/a` only, and steps 2–4 are
- the whole fix.
-- **Line present, nothing in the window** → the sender is being filtered
- (`HearGeneralChat` off on this character despite the default, e.g. a
- previously-persisted value) or the inbound `EventBinary` is not being
- delivered. Distinguish with 7.2.
-- **Line absent** → `TurbineChatState.Enabled` is false or the room id is 0 for
- this session; check for the `chat: SetTurbineChatChannels parsed` line at
- login.
-
-### 7.2 Which inbound 0xF7DE variants arrive?
-
-The one genuinely missing measurement. `RouteTurbineChat`
-(`LiveSessionEventRouter.cs:479-489`) early-returns on everything that is not
-`EventSendToRoom`, so we currently cannot tell "ACE sent nothing" from "ACE sent
-an ack and we dropped it". Add a temporary line at the top of `RouteTurbineChat`:
-
-```
-[turbine-in] blob= dispatch= room/context=<…> hresult=<…>
-```
-
-- **`ResponseBinary` only, no `EventBinary`** → confirms the §5.2 chain: ACE
- accepted the send and filtered the sender out of its own broadcast. The fix is
- the character option, not the codec.
-- **Neither** → the send never reached the handler; capture loopback UDP on
- `127.0.0.1:9000` with WireMCP and check the 0xF7DE bytes against §3.1.
-- **`EventBinary` present but no chat line** → the defect is downstream in
- `ChatLog`/`ChatVM`, not on the wire.
-
-Strip the line once the answer is in hand.
-
-### 7.3 Server-side confirmation (no client change)
-
-ACE's `LogTurbineChat` (`TurbineChatHandler.cs:345-385`) writes
-`[CHAT][General] +Acdream says, "…"` to the ACE log when `chat_log_general` is
-set. Enabling that property and watching the ACE console proves whether the
-message reached the handler at all — the cleanest single discriminator, and it
-requires nothing from the client.
-
----
-
-## 8. Files touched by any fix
-
-| Path | Why |
-|---|---|
-| `src/AcDream.App/Net/LiveSessionCommandRouter.cs` | Turbine option gate; legacy self-echo suppression |
-| `src/AcDream.Runtime/Session/DirectGameRuntimeCommandAdapter.cs` | same gate for the headless path |
-| `src/AcDream.Runtime/Session/LiveSessionEventRouter.cs` | ack/hResult handling in `RouteTurbineChat` |
-| `src/AcDream.Core/Chat/WeenieErrorMessages.cs` | `0x0551 YouAreNotListeningTo_Channel` |
-| `src/AcDream.Core.Net/Messages/SocialActions.cs` | `SetSingleCharacterOption`; fix/remove 0x01A1, 0x0145, 0x0146 |
-| `src/AcDream.Core.Net/WorldSession.cs` | `SendSetSingleCharacterOption` |
-| `src/AcDream.UI.Abstractions/Panels/Settings/ChatSettings.cs` + `SettingsPanel.cs` | seed from server options; publish the command |
-| `src/AcDream.UI.Abstractions/Panels/Chat/ChatInputParser.cs` | `/ab` verb |
-| `src/AcDream.UI.Abstractions/ChannelResolver.cs` | `/a` vs `/ab` split |
-| `docs/ISSUES.md`, `docs/plans/2026-04-11-roadmap.md`, `claude-memory/project_chat_pipeline.md` | retract the false claim |
-| `docs/architecture/retail-divergence-register.md` | rows for residual divergences |
diff --git a/docs/research/2026-08-10-365-headless-hydration-diagnosis.md b/docs/research/2026-08-10-365-headless-hydration-diagnosis.md
deleted file mode 100644
index a57fb4e4..00000000
--- a/docs/research/2026-08-10-365-headless-hydration-diagnosis.md
+++ /dev/null
@@ -1,462 +0,0 @@
-# #365 headless hydration — Opus diagnosis (2026-08-10, read-only pass)
-
-Verbatim agent output. The fix agent works solely from this document.
-
-## 0. Executive summary
-
-Three distinct defects layered on top of each other. Only the middle one is
-the hydration root cause.
-
-| # | Layer | Verdict |
-|---|---|---|
-| **A** | `HeadlessLocalPlayerFrameHost.CanAdvancePlayer` accepts a **dormant (unpublished)** controller; the graphical host does not. This is the crash. | **CONFIRMED by source.** Real host-asymmetry bug. |
-| **B** | The headless collision neighborhood publishes collision **as a reaction to the local-player Create**, interleaved with the Create burst. Every `TrySealCollisionEvaluationAuthority` during that window is structurally refused, and (hypothesis) the mutual `HasOldPrefixPlacementDebt` ↔ seal dependency between remote first-entry operations and the landblock commit closes a circular wait that never opens. This is why the controller never publishes. | **Mechanism CONFIRMED; the "never opens" closure is HIGH-CONFIDENCE HYPOTHESIS.** One existing probe answers it in one line. |
-| **C** | `HeadlessStaticStateAudit` unconditionally refuses to start when **any** `PhysicsDiagnostics.Probe*`/`Dump*` flag is set — including single-session runs. The exact probe built to diagnose this stall class (`ACDREAM_PROBE_PARK=1`) cannot be run headless at all. | **CONFIRMED.** Why #365 arrived with no `[rearm]`/`[pump]` evidence. |
-
-**Fix C first (two-line predicate change), then use it to confirm B, then fix
-B, then fix A.** Fixing A alone is the forbidden workaround shape: it converts
-a hard crash into a silent never-moves bot.
-
-## 1. Correction to the ISSUES.md evidence chain
-
-**`entities: 0` in the headless JSON is NOT evidence of failed hydration.**
-`HeadlessDiagnosticWriter.Lifecycle` (`HeadlessDiagnosticWriter.cs:22-45`) is
-called at exactly four points (`HeadlessSessionHost.cs:289, 463, 551, 588`):
-`constructed` (pre-connect), `start-result` (inside `StartLive`, BEFORE the
-first `Runtime.Session.Tick()` drains a packet), `reconnect-deferred`, and
-`stopped` (AFTER teardown emptied the directory). A perfectly healthy run also
-prints `entities: 0` on every lifecycle line. `live: in world — CreateObject
-stream active` (`LiveSessionController.cs:593`) prints before any CreateObject
-routes. The periodic `resources` sampler sums real counts but defaults to a
-30 s period the quarantined run never reached.
-
-**Do NOT hunt for "CreateObjects never admit."** The record almost certainly
-IS registered: `RuntimeLocalPlayerPhysicsPublicationState.Prepare`
-dereferences `record.Key!.Value.LocalEntityId` (`:214`), `CanPrepare` requires
-`_entities.IsCurrent(record)` (`:1052`), and the crash proves a controller was
-constructed. The `entityCount` datum is an artifact.
-
-## 2. Q1 — inbound route and the fork points
-
-Headless inbound route: `WorldSession.EntitySpawned` → `LiveSessionEventRouter`
-→ `RuntimeLiveEntitySessionController.OnSpawned` (`:129`) →
-`RegisterEntityWithInitialResidence` (`:147-152`) → `ApplyAcceptedSpawn`
-(`:158`) → `HeadlessSessionWorldProjection.ProjectSpawn` (`:627`): local player
-→ `_collision.CenterOn(position.LandblockId)` (`:644-648`) then
-`_firstEntry.DriveAll()` (`:666`) → `RuntimeFirstEntryDriveController.DriveOne`
-(`:200`) → `RuntimeLocalPlayerFirstEntryState.Advance` (`:247`).
-
-Per-tick pump (`HeadlessSessionHost.Tick:333-362`): `Clock.Advance` →
-`AdvanceBeforeNetwork` → `Session.Tick()` → `PumpFirstEntry()` →
-`PumpPortalCompletion()` → `RetryPending()` → `RunPostNetworkCommandPhase()` →
-`policy.Tick`.
-
-**No presentation-gated admission step, no missing subscription, no
-reveal/streaming gate on the headless admission path** — C3c (`529e0e9d`)
-unified them. The fork is downstream:
-
-### Fork point 1 (the crash) — `HeadlessLocalPlayerFrameHost.cs:42-44`
-
-```csharp
-public bool CanAdvancePlayer =>
- _runtime.Session.IsInWorld
- && _runtime.MovementOwner.Controller is not null;
-```
-
-Graphical host: `LocalPlayerFrameRuntime.cs:24-25` → `CanPresentPlayer` →
-`IsPlayerMode`, entered only when `PlayerModeAutoEntry.cs:100`
-`Controller is { IsRuntimePublished: true }` (the C3c-F2 fix).
-`Controller` becomes non-null at publication Commit
-(`RuntimeLocalPlayerPhysicsPublicationState.Commit:472`) in
-`RuntimeOwnedDormant`; `RuntimePublished` only arrives inside
-`TryApplyDormantLocalActivationFinalCommit` (`RuntimeSetPositionState.cs:2823`
-`controller.ActivateRuntimePublication()`). So headless runs
-`RuntimeLocalPlayerFrameController.AdvanceBeforeNetwork` (`:75`) against a
-dormant controller: `:93` LocalEntityId write (quarantine #1, neutralized by
-`ab82347d`) and `:96-99` Suspend branch → `SuspendObjectUpdate` →
-`EnsurePublishedForRuntimeOperation` throw (quarantine #2, current).
-
-### Fork point 2 (the hydration stall) — `HeadlessSessionWorldProjection.cs:471-548`
-
-`HeadlessCollisionNeighborhood.AdvanceWork`, called from `PumpFirstEntry`
-(`:736-742`) and `ProjectSpawn` (`:644-648`). The headless host's ONLY
-collision publisher is a 3×3 landblock plan **built and started by the local
-player's own CreateObject**. The graphical publisher
-(`LandblockPhysicsPublisher.cs`) runs on the streaming cadence, independent of
-and ahead of the Create burst. That timing difference is the whole asymmetry.
-
-## 3. Q2 — the never-satisfied precondition
-
-### The stall state
-
-Conductor parked at `Stage.PublicationCommitted` in
-`RuntimeLocalPlayerFirstEntryState.AdvanceCore` (`:437-506`), cycling
-`EvaluateActivation` → `AwaitingActivation` forever. `MovementOwner.Controller`
-non-null (Commit ran) but `IsRuntimeOwnedDormant`; `record.PhysicsBody` set,
-`body.InWorld == false` (`Publication.Prepare:358-359`); `record.FullCellId
-== 0` → `ObjectClockDisposition` (`:78-96`) returns `Suspend`;
-`RuntimeFirstEntryDriveController.DriveOne` hits `:264-270` and returns every
-tick. 1:1 match for every symptom.
-
-### The precondition
-
-`EvaluateActivation` (`:496-541`) fails because
-`RuntimeSetPositionState.TryEvaluateDormantLocalActivation` (`:1989-2094`)
-returns false at the seal (`:2061` → `:2088`). `TrySealCollisionEvaluationAuthority`
-(`RuntimePhysicsState.cs:2411-2469`) requires for EVERY prefix the placement's
-ring search queried:
-
-```csharp
-// RuntimePhysicsState.cs:2365-2371
-internal bool IsCollisionEvaluationPrefixAdmissible(uint exactCellId)
-{
- uint landblockId = CanonicalLandblock(exactCellId);
- return landblockId != 0u
- && !_collisionAdmissions.ContainsKey(landblockId)
- && !SetPosition.IsCollisionPrefixQuiescing(landblockId);
-}
-```
-
-### Why headless cannot satisfy it (structural half — CONFIRMED)
-
-`AdvanceWork` drains a 9-entry plan one commit poll per call, yielding on
-every non-completed `CommitCollisionGeneration` (`:540-543`,
-`HeadlessCollisionGenerationTransaction.Advance:142-156`). While it holds
-`_pendingPublication`, that landblock's `RuntimeCollisionAdmission` IS
-registered, and once `CommitCollisionGeneration` opens
-`BeginCollisionPrefixQuiescence` (`RuntimePhysicsState.cs:1866-1889`) the
-prefix IS quiescing — both admissibility terms false for the duration.
-`PumpFirstEntry` calls `DriveAll()` immediately after `IsReady` (`:739-741`),
-so the conductor evaluates exactly while the admission is open. Same in
-`ProjectSpawn` (`:648` → `:666`). The ring search touches the center + its
-neighbours — every one in the 3×3 plan. The graphical host has the identical
-seal but long admission-free windows. Same class #357 named; headless is
-strictly worse because publication is STARTED by the Create.
-
-### Why it may never open (HIGH-CONFIDENCE HYPOTHESIS — must be confirmed)
-
-Circular wait between the collision commit and remote first-entry operations:
-1. Committing landblock L requires `TryAcquireCollisionPrefixMutationPermission`
- (`RuntimeSetPositionState.cs:925-972`) → requires
- `!HasOldPrefixPlacementDebt(current)`.
-2. `HasOldPrefixPlacementDebt` (`:4076-4100`) walks every `_operations` entry,
- skipping only `WakeableLostCell || DormantLocalActivation`, true if the
- operation's command/result/mover-preparation accepted position or its
- record's collision residency touches L.
-3. `RuntimeInitialCreateResidenceState.Own` (`:750-780`) opens an exclusive
- authored placement operation for EVERY remote Create whose route
- `PerformsSetPosition`. Those sit in `AwaitingPreparation`, not exempt
- (they gain `WakeableLostCell` only after successfully submitting and
- parking; `0934a121` gives them a real body in prefix L, which also trips
- `IsAffectedCollisionResident`).
-4. A remote's own placement submission seals against the same prefix —
- refused while L is admitted/quiescing — so it never reaches the park that
- would exempt it.
-
-→ L never commits; remotes never park; the player's dormant activation never
-wakes. The local player IS exempt from step 2 from publication-Commit onward
-(`PrepareDormantLocalActivationOwnership` sets
-`operation.DormantLocalActivation = true`, `RuntimeSetPositionState.cs:1526`)
-— exactly why the local controller gets built and then freezes.
-
-Other blocking terms checked by the same probe:
-`HasPendingProjectionThrough(ProjectionBarrierSequence)` (`:4059-4062`) — note
-`HeadlessRuntimePlacementProjectionSink.TryApply` deliberately returns FALSE
-(leaves at FIFO head) for Place/Withdraw of an entity still holding an
-initial-create residence (`HeadlessRuntimePlacementProjectionSink.cs:63-81`) —
-and `HasCollisionDispatchDebt` (`:4064-4074`).
-
-### The one line that settles it
-
-`TryRearmDeferredDormantLocalActivation` prints a purpose-built verdict
-enumerating every term (`RuntimeSetPositionState.cs:~2200-2225`), behind
-`PhysicsDiagnostics.ProbeParkEnabled`:
-
-```
-[rearm] guid=... verdict=
-[rearm] guid=... seal-refused (transient; lease retained)
-[pump] DriveAll #N pending=K
-[wake] begin lb=0x... gen=... unboundCells=... buckets=...
-```
-
-And it is unrunnable headless — defect C.
-
-## 4. Q3 — when it broke
-
-| Commit | Date | Headless impact |
-|---|---|---|
-| **`529e0e9d` — C3c production placement cutover (routes 1+8)** | 2026-08-02 | **Prime culprit.** Rewrote the headless local-player path wholesale; deleted `SynchronizeLocalPlayer`/`CreateController`/`ApplySetupStepHeights`; controller now only publishable through the residence→publication→activation→seal chain. Gate list: unit tests + a GRAPHICAL connected gate. **No connected headless gate.** |
-| `175ad6b0` | 2026-08-02 | Same seam, same window. |
-| `9966b531`/`2e8e09ac`/`e0f96a55` | 08-03→05 | Touched HeadlessSessionWorldProjection; graphical-gated only. |
-| `6921a027` C5a, `3aab05b0` #280 | 08-05/06 | Comment-only / shape — not causal. |
-| **`78b981cc` — #357** | 2026-08-08 | **Symptom-shape culprit.** Seal failure reclassified terminal→DeferredCell: pre-#357 headless failed SILENTLY (controller discarded, no crash); post-#357 the dormant controller persists → crash. Correct fix graphically; DO NOT revert. |
-| `ab82347d` | 2026-08-10 | Fixed quarantine #1; filed #365. |
-
-Coverage gap: the one headless hydration test
-(`HeadlessSessionHostTests.WorldProjectionHydratesCanonicalMovementAndTeleportState`,
-`:347-475`) uses a `FixtureCollisionNeighborhood` fake and pre-commits
-collision by calling `SetPosition.BeginCollisionGeneration`/
-`CommitCollisionGeneration` DIRECTLY (`:372-375`) — bypassing admission
-registry, seal, and quiescence. **The production `HeadlessCollisionNeighborhood`
-has never been exercised against the first-entry conductor in any test.**
-
-## 5. Q4 — Suspend / CanAdvancePlayer contract
-
-- **`Suspend` is correct** for a cell-less pre-hydration player (retail's
- parent/cell-less/Frozen early gate, `PlayerMovementController.cs:1036-1041`).
- The crash is calling ANY live-movement op on an unpublished controller —
- the Advance branch would throw identically.
-- **`CanAdvancePlayer` must require publication.** Three confirmations: the
- graphical host gates on `IsRuntimePublished` (C3c-F2,
- `PlayerModeAutoEntry.cs:100`); #356 (`972c7ab3`) established
- `CanExecuteLiveMovement` (`PlayerMovementController.cs:797-805`) as the
- lifecycle-caller idiom ("including before the controller is published during
- login… neither is an error"; `MouseLookController.cs:205` is the consumer);
- and `IsActivationOwnershipEnvelopeCurrent`
- (`RuntimeLocalPlayerPhysicsPublicationState.cs:900-928`) asserts the dormant
- controller is untouched across activation — advancing it is semantically
- wrong, not merely fatal. No dormant-activation classification changes needed;
- the #357 test matrix stays untouched.
-- There is NO #357 closeout doc in docs/research; its record is commit
- `78b981cc`'s message + source comments (`RuntimeSetPositionState.cs:2073-2088`,
- `RuntimeLocalPlayerPhysicsPublicationState.cs:513-534`).
-
-## 6. Q5 — fix plan (ORDERING IS LOAD-BEARING)
-
-### Step 1 (enabler, ~10 lines) — make the diagnosis runnable headless
-`HeadlessStaticStateAudit.cs:15` + call site `HeadlessProcessHost.cs:45`: the
-audit's stated rationale is multi-root isolation; give `ValidateProcessIsolation`
-a `sessionCount` parameter and skip the refusal for `sessionCount == 1`
-(emit a diagnostic Message naming enabled probes). Tests: single-session +
-probe ⇒ starts (and logs); two sessions + probe ⇒ still throws naming the
-probe. Not a workaround — a correctness fix to a guard whose rationale does
-not hold for its condition.
-
-### Step 2 (measurement, no code) — confirm which term is stuck
-Run the repro with `ACDREAM_PROBE_PARK=1`; read `[rearm] verdict=`:
-
-| verdict | Meaning | Fix target |
-|---|---|---|
-| `prefix-inadmissible` persisting | structural claim — admission/quiescence never clears | Step 3 |
-| `gen-not-ready` / `gen-mismatch` | neighborhood commits a generation the lease isn't parked against | narrower fix in HeadlessCollisionNeighborhood |
-| `spawn-not-ready` | 3×3 plan never published the destination cell | BuildPublicationPlan / CreatePublication |
-| `proj-seq` | unacknowledged placement projection — the projection-sink residence gate wedge | drain rule in RuntimeFirstEntryDriveController |
-| `seal-refused` repeating, no verdict line | operation never re-parks; abort in pre-park evaluation | TryEvaluateDormantLocalActivation |
-
-Also capture `[pump] DriveAll #N pending=K`. **This step is mandatory** (the
-C4 closeout's "inferring a fact you can observe" finding applies exactly).
-
-### Step 3 (root cause) — headless collision publication quiescent-before-drive
-Do NOT relax the seal, add a retry budget, or special-case headless inside
-Runtime. The host's publication cadence violates the (correct) precondition.
-
-**3a.** Never drive the conductor while the neighborhood holds an open
-admission or in-flight quiescence. Add read-only
-`IHeadlessCollisionNeighborhood.IsQuiescent`
-(`_pendingPublication is null && _publicationQueue.Count == 0 &&
-!_pendingPublicationCancellation`); gate `PumpFirstEntry` (and
-`ProjectSpawn:666`, `ProjectPosition:690`):
-
-```csharp
-if (!_collision.IsQuiescent)
- return; // publication owns the authority this tick
-_firstEntry?.DriveAll();
-_acceptedPositionDrive?.Advance();
-```
-
-**3b.** If Step 2 shows `HasOldPrefixPlacementDebt` (remote first-entry
-operations) is the blocker, 3a alone won't close it: hoist `CenterOn` off
-`ProjectSpawn` onto the accepted local-player position observed at
-`RegisterEntityCore`'s `Physics.ObserveLocalPlayerCreate` seam, publish the
-login window to completion BEFORE the first Create is projected, hold
-conductor driving until `IsQuiescent` — restoring the graphical ordering
-(world published, then entities placed).
-
-**Explicitly rejected shapes** (workarounds): retry budget on
-AwaitingActivation; forcing `IsCollisionEvaluationPrefixAdmissible` to ignore
-the headless admission; nulling the controller on stall.
-
-### Step 4 (crash guard, AFTER step 3) — `CanAdvancePlayer` requires publication
-`HeadlessLocalPlayerFrameHost.cs:42-44`:
-
-```csharp
-public bool CanAdvancePlayer =>
- _runtime.Session.IsInWorld
- && _runtime.MovementOwner.Controller is { CanExecuteLiveMovement: true };
-```
-
-Use the PUBLIC `CanExecuteLiveMovement` (#356 idiom), not internal
-IsRuntimePublished. Optionally harden the shared owner:
-`RuntimeLocalPlayerFrameController.AdvanceBeforeNetwork/RunPostNetworkCommandPhase/
-TryGetPresentationAfterNetwork` (`:75, :135, :166`) add
-`|| !controller.CanExecuteLiveMovement` to the null checks (contract-preserving
-for the graphical host).
-
-### Test list
-1. Runtime: `RuntimeLocalPlayerFrameControllerTests` — host reporting
- CanAdvancePlayer:true with a DORMANT controller must not throw in either
- Suspend or Advance branch (sabotage-verify both directions).
-2. `RuntimeLocalPlayerPhysicsPublicationStateTests` — assert UNCHANGED (the
- seven #357 DeferredCell tests + two terminal tests). If any needs editing,
- the fix is wrong.
-3. **The missing headless test**: sibling of
- `WorldProjectionHydratesCanonicalMovementAndTeleportState` driving the REAL
- `HeadlessCollisionNeighborhood` (or a faithful fake registering a
- RuntimeCollisionAdmission + opening prefix quiescence across ticks);
- asserts first-entry reaches Completed and
- `MovementOwner.Controller.IsRuntimePublished` within a bounded tick count.
- **Must FAIL on the current tree** — the acceptance criterion.
-4. `PumpFirstEntry` does not call DriveAll while non-quiescent; calls it on
- the first tick after quiescence.
-5. `CanAdvancePlayer`: false dormant, true published, false retired.
-6. Audit: single-session+probe allowed (logged); multi-session+probe refused.
-7. Keep `HeadlessCollisionNeighborhoodServiceWindowTests`,
- `HeadlessSessionEventRouteRetryPendingTests` green.
-
-### End-to-end verification recipe
-Config on disk (content-bearing, so the content-less branch at
-`RuntimeLiveEntitySessionController.cs:147` is NOT in play):
-`/jump-probe-config.json` (testaccount/+Acdream, policy
-jump-probe, credential env ACDREAM_HEADLESS_PASS).
-
-```powershell
-$env:ACDREAM_HEADLESS_PASS = "testpassword"
-$env:ACDREAM_PROBE_PARK = "1" # requires Step 1
-dotnet run --project src\AcDream.Headless -c Release -- run --config 2>&1 |
- Tee-Object -FilePath headless-365.log
-```
-
-Cautions: testaccount must not be held by a running graphical client;
-terminate with Ctrl-C/SIGINT (never Stop-Process — graceful Stop() clears the
-ACE session in ~3-5 s; a hard kill costs ~3 min of exit-29).
-
-Pass criteria: (1) no `kind:"failure"`; (2) `[jump-probe] local player
-present; charging jump`; (3) `[pump]` reaches pending=0 and `[rearm]
-verdict=OK` (or clean first-pass seal); (4) `[jump-probe] airborne-transition
-False -> True` — the bot actually moves (the real acceptance test); (5)
-graceful exit, converged final `disposed` sample. Second gate: run the
-`observer-movement` policy ~60 s and watch from the graphical/retail client
-that +Acdream walks — the K3/K4 gate unrun since 2026-08-02.
-
-## 7. Confidence summary
-
-| Claim | Confidence | Falsify cheaply |
-|---|---|---|
-| Crash = dormant controller reaching SuspendObjectUpdate via headless CanAdvancePlayer | Certain | — |
-| Graphical gates on IsRuntimePublished; headless doesn't | Certain | PlayerModeAutoEntry.cs:100 |
-| entities:0 is a logging artifact | Certain | HeadlessDiagnosticWriter call sites |
-| Conductor parked at PublicationCommitted/AwaitingActivation | Very high | [pump] probe |
-| Blocked precondition = IsCollisionEvaluationPrefixAdmissible in the seal | High | [rearm] verdict= |
-| Circular HasOldPrefixPlacementDebt ↔ seal wait makes it permanent | Hypothesis, well-supported | [rearm] verdict= + log on TryAcquireCollisionPrefixMutationPermission's four early returns |
-| 529e0e9d root cause; 78b981cc changed the symptom | High | git show 529e0e9d -- src/AcDream.Headless/ |
-| Probes unrunnable headless | Certain | HeadlessProcessHost.cs:45 |
-| Existing hydration test bypasses admission/seal | Certain | HeadlessSessionHostTests.cs:372-375 |
-
-## 8. OUTCOME (2026-08-10, fix session)
-
-Steps 1, 3a, and 4 landed exactly as specified; **3b was not needed.**
-
-**Step 2 measurement (mandatory, run before any Step-3 code):** the
-`ACDREAM_PROBE_PARK=1` jump-probe repro against local ACE produced
-
-```
-[pump] DriveAll #1 pending=0
-...
-[wake] begin lb=0x0904FFFF gen=1 unboundCells=0 buckets=0
-[rearm] guid=0x5000000A seal-refused (transient; lease retained)
-[rearm] guid=0x5000000A seal-refused (transient; lease retained)
-[jump-probe] local player present; charging jump
-```
-
-— `seal-refused` repeating with **no preceding `[rearm] verdict=` line**.
-Per this doc's own Step-2 table, that shape means the operation never even
-reached the `AwaitingCell` park: `IsExactDormantLocalActivationCurrent`
-already reports "current" on every attempt (the op sits in
-`AwaitingPreparation` the whole time), so `TryRearmDeferredDormantLocalActivation`
-is never called, and every attempt fails at
-`TrySealCollisionEvaluationAuthority` on the SAME still-open admission. This
-is the doc's §3 "structural half — CONFIRMED" mechanism. **No
-`prefix-inadmissible` rearm verdict was ever observed**, so there is no
-direct evidence the §3 "why it may never open" `HasOldPrefixPlacementDebt`
-circular-wait hypothesis is in play for this repro — 3a alone was measured
-sufficient.
-
-**Fix shape: 3a only.** `IHeadlessCollisionNeighborhood.IsQuiescent`
-(`_pendingPublication is null && _publicationQueue.Count == 0 &&
-!_pendingPublicationCancellation`) gates `ProjectSpawn`/`ProjectPosition`/
-`PumpFirstEntry`'s trailing `_firstEntry?.DriveAll()` / `_acceptedPositionDrive?.Advance()`
-calls exactly as specified. Step 4 landed as specified
-(`CanAdvancePlayer` requires `CanExecuteLiveMovement`, plus the three shared
-`RuntimeLocalPlayerFrameController` entry points hardened the same way).
-Step 1 landed as specified (`ValidateProcessIsolation(sessionCount)`, single
-session + probe logs and proceeds, multi-session + probe still refuses,
-naming the probe).
-
-**Verification that the new test (item 3) actually discriminates:**
-temporarily reverting the three `IsQuiescent` gates (commented out, never
-committed) made both
-`RealAdmissionNeverDrivesTheConductorWhileOpenAndHydratesOnceReleased` and
-`PumpFirstEntryWithholdsDriveAllUntilQuiescentThenDrivesImmediately` fail —
-`Assert.Null(runtime.MovementOwner.Controller)` failed because the controller
-was ALREADY built and published (`CanExecuteLiveMovement = True`) while the
-neighborhood's admission was still held open, exactly the pre-fix race. Both
-pass cleanly on the real, fixed tree. The gate was then restored and
-`git diff` confirmed the file matches the shipped Step-3a diff exactly (no
-residual simulation code).
-
-**A design note for the test:** the first attempt at test item 3 opened the
-held admission on the PLAYER'S OWN landblock via the full
-`HeadlessCollisionGenerationTransaction` commit cycle. That hit a genuine,
-separate settlement question in `CommitCollisionGeneration` →
-`TryAcquireCollisionPrefixMutationPermission` (never resolved within 200
-ticks in that configuration) — worth a future look if it turns out to matter
-in production, but not needed to prove Step 3a. The shipped test instead
-holds a real admission open on a DIFFERENT (neighbor) landblock the player
-does not target, cancelling rather than committing it — a faithful, simpler
-proof of "an open admission anywhere in the plan blocks driving" without
-touching that separate question.
-
-**End-to-end (live ACE, `jump-probe` policy, `ACDREAM_PROBE_PARK=1`), three
-runs, all consistent:** hydration now succeeds — `entityCount` reaches 136 at
-the `running-stop` resource sample (previously 0, permanently), `[jump-probe]
-local player present; charging jump` fires promptly, `seal-refused` spam is
-gone, and the original fork-1 crash (`SuspendObjectUpdate` on a dormant
-controller) never recurs. **Full pass criterion 4
-(`[jump-probe] airborne-transition False -> True`) was NOT independently
-observed on the unmodified tree** — every real run hit a SEPARATE,
-newly-discovered, pre-existing defect first (filed as issue #368: the
-headless scheduler's `await Task.Delay(...).ConfigureAwait(false)` loop can
-resume ticks on a different ThreadPool thread than the one that opened a
-collision generation, tripping `RuntimePhysicsState.EnsureCollisionMutationThread`).
-#368 is explicitly out of scope for this fix — orthogonal mechanism, no
-mention anywhere in this diagnosis, and a proper fix needs verification
-against the graphical host, which this session was constrained not to
-launch. A throwaway, never-committed diagnostic run with #368's guard
-neutralized (verified via `git diff` to have zero residual footprint) DID
-reach `[jump-probe] releasing jump (fire)` with a clean exit (code 0,
-graceful logout, `entityCount=136`), confirming the #365 mechanism itself is
-sound; it timed out waiting for `airborne-transition True` in THAT run,
-plausibly a downstream artifact of the same unsynchronized-thread condition
-the neutralized guard exists to catch (racing collision/physics state across
-threads) rather than a second #365-scope defect — flagged as an open
-question in #368, not claimed as resolved.
-
-Every real (unmodified) run's session tore down gracefully
-(`[session] graceful logout confirmed`, zero entities/leases at the final
-`disposed` sample) regardless of which way it exited — `testaccount` was
-never left in a stuck state by this work.
-
-## 9. ADDENDUM (2026-08-10, #368 fix session)
-
-#368 is CLOSED at `b7f59923`: one dedicated headless update thread now owns
-Start, every scheduler turn, and the post-loop captures; the scheduler loop
-is synchronous with TimeProvider-timer event waits (no `Task.Delay`
-resumption migration; zero shared Runtime changes). Three live jump-probe
-runs on the fixed tree each crossed `[wake] begin gen=1` cleanly with
-204–205 hydrated entities and graceful exits. The §8 open question is now
-answered: the `airborne-transition True` timeout PERSISTS 3/3 with threading
-provably single, so the "downstream artifact of the unsynchronized-thread
-condition" hypothesis is refuted — the residual is a distinct pre-existing
-defect, filed as #370.
diff --git a/docs/research/2026-08-10-campaign-ch-round4-test-script.md b/docs/research/2026-08-10-campaign-ch-round4-test-script.md
deleted file mode 100644
index b8c7ba4d..00000000
--- a/docs/research/2026-08-10-campaign-ch-round4-test-script.md
+++ /dev/null
@@ -1,88 +0,0 @@
-# Campaign CH — round-4 in-client test script (2026-08-10 goal window)
-
-One connected session, retail GUI. Covers everything changed since round 3.
-Launch as usual (`ACDREAM_RETAIL_UI=1`); no probe flags needed.
-
-## 1. Jump-in-air — THE fix (root-caused this window)
-
-- Jump, press jump again mid-air → **"You can't jump while in the air"**
- flush at the very top of the viewport, small font, tell-yellow. This was
- three rounds of silence: the refusal always fired; the production
- controller-install path never wired the text callback (`a5a7eb4f`).
-- Jump while badly overloaded (if testable) → "You're too loaded down to
- jump" the same way.
-
-## 2. On-screen text presentation (round-3 changes)
-
-- Text sits flush to the top (no 60px gap) in the 11px retail DAT font —
- visibly smaller than round 2. Color = incoming-tell yellow.
-- Recall: "In Portal Space - Please Wait..." now appears there too (small,
- top), NOT as big centered text — every rotation segment of the tunnel.
-- Report: position/font are best-available approximations (AP-178) — say
- what still differs from retail memory.
-
-## 3. /help (round-3 rewrite)
-
-- `/help` → exactly TWO chat entries: the "Note: You may substitute a
- forward slash (/) for the at symbol (@)." line, then the 13-topic
- listing with retail's real one-liners.
-- `/help death` → the Note line, then "For more information, type @help
- ." running straight into the 8-line death/corpse listing.
-- `/help somenonsenseverb` → "Unknown command" (currently in chat, not the
- SpewBox — known gap #367, don't re-report).
-
-## 4. Chat window shell (CH6a — includes the border restoration)
-
-- The main chat window is the authored retail layout: correct chrome,
- no artifacts, **all four edges + all four corners draw their border
- art** and resize (diagonal cursors on corners; the flat TOP edge is a
- MOVE handle in retail — the top corners resize).
-- Grow AND shrink from every corner, both axes (min 300×100, max
- 2000×2000).
-- **Also eyeball the COMBAT, EXAMINE, POWERBAR (jump bar) and VITALS
- window borders** — their Type-9 border art was silently blanked by the
- first CH6a landing and restored in the rework.
-
-## 5. Floating chat windows (CH6b)
-
-- **Alt+1 .. Alt+4** toggle the four floating chat windows (retail's
- default binding — NOT plain 1-4; rebindable in Settings).
-- Defaults: window 1 = speech/tells/emotes; 2 = allegiance-family
- (patron/vassal etc.); 3 = fellowship; 4 = the Turbine rooms
- (General/Trade/LFG/Roleplay).
-- The main window's 1/2/3/4 buttons LIGHT UP to mirror which floaties are
- open — clicking them does nothing (retail-faithful: they are pure
- indicators).
-- Each floaty: resizes from every edge/corner, moves by its title bar,
- has its own input line (sends as Say — #369 tracks the channel-share
- question), closes with its X, reopens with Alt+N, and its position/
- visibility/filters survive a client restart.
-- A closed floaty accumulates lines while closed (open it after some
- fellowship chat and the lines are there).
-
-## 6. Window opacity (CH6c) + the transparency setting
-
-- OUT OF THE BOX everything is fully opaque (retail-identical).
-- Settings → Chat: two linked sliders — "window opacity" (unfocused) and
- "active opacity" (focused). Lowering the first makes unfocused retail
- windows translucent; clicking into a window snaps it to the active
- value. Retail EASES this transition (~1s fade) — ours SNAPS for now
- (registered AP-190); note how it feels.
-- The sliders drag each other (raising unfocused above active pulls
- active up; lowering active pulls unfocused down) — retail's linking.
-- Apply on Save; persists across restart.
-
-## 7. Ctrl+M (#358 — finally)
-
-- Ctrl+M mutes all audio; Ctrl+M again unmutes. (The binding had been
- added to a dead preset table; production never loaded it.)
-
-## Known-open, do not report as new
-
-- #367 unknown-command line in chat instead of SpewBox; #364 three /help
- group topics partial; #366 unseen-text chat indicator; #369 floaty send
- channel; #360-#362 command tails; AP-177 SpewBox line lifetime;
- AP-190 snap-not-ease opacity transition.
-- #368 headless collision thread-affinity (bot-host only, follow-up task
- exists). Headless bots hydrate and move again (#365 fixed) up to that
- defect.
diff --git a/docs/research/2026-08-10-ch6ab-review-findings.md b/docs/research/2026-08-10-ch6ab-review-findings.md
deleted file mode 100644
index e2f9a655..00000000
--- a/docs/research/2026-08-10-ch6ab-review-findings.md
+++ /dev/null
@@ -1,129 +0,0 @@
-# CH6a+CH6b review findings — `1fd51543` + `22020ef2` (REJECT; rework list)
-
-Dual-lens Opus review, 2026-08-10. The retail research held up under
-independent re-derivation (Type-2/Type-9 correction, filter masks, Alt+1..4,
-pure-mirror indicators all CONFIRMED); the rework list below is what did not.
-
-## BLOCKER 1 — CH6a: chat window loses 7 of its 8 authored border pieces
-
-`UiResizeGrip : UiElement` (`UiResizeGrip.cs:33`) inherits the no-op
-`UiElement.OnDraw` and is constructed WITHOUT the `ElementInfo`/`resolve`
-pair (`DatWidgetFactory.cs:270-278`) — the seven Type-9 grips render
-NOTHING. Pre-CH6a, Type 9 fell through to `UiDatElement` (whose class doc
-names resize grips explicitly). Same commit also hides the eight `_Locked`
-media twins (`ChatWindowController.cs:239-245`) and switches to
-`Chrome = RetailWindowChrome.Imported` (`RetailWindowFrame.Mount:133-142`
-makes outerFrame = content, no wrapper chrome). Fixture proof: all 8 border
-elements carry real art (0x06006129/2A/2B/2C/2D family); the window root has
-NO background image. Net: only the 400×5 top strip (Type 2 → UiDatElement)
-draws — no left/right/bottom edges, no corners.
-
-**Fix:** `UiResizeGrip` derives from `UiDatElement` (or carries info+resolve
-and draws its active state's media), keeping `ClickThrough = false`;
-`BuildResizeGrip(info)` → `BuildResizeGrip(info, resolve)`. Conformance
-assertion: each of the seven grips resolves a non-zero sprite.
-
-## SHOULD-FIX 2 — CH6b: wrong window-id model asserted as decomp fact
-
-`ChatWindowState.cs:31-42` claims `UpdateFromPlayerModule @0x004F3920`
-early-returns for the MAIN window and overloads id 0 as both "main" and
-"broadcast". Decomp refutes both: `PostInit @0x004F3DD0` switches on
-`m_eWindowID - 1` (case 0→0xFBFFFFFF, 1→0x101C, 2→0x40C00, 3→0x80000,
-4→0x78000000, 7→0xFBFFFFFF); `gmChatOptionsUI::InitOptions @0x0049FC60`
-builds five per-window filter blocks with SetUserData window ids **8**
-(main, default 0xFBFFFFFF @0x0049FDC9), then **2/3/4/5** (@0x0049FF4E,
-:FF71, :FF93, @0x004A0000 default 0x78000000). Retail: main window is
-`m_eWindowID == 8`; floaties are 2–5; `m_eWindowID == 0` means UNAUTHORED
-(ctor default — what the UpdateFromPlayerModule guard is for); wire
-`arg5 == 0` is a pure broadcast sentinel, never a window id.
-
-Consequences: the MASKS are correct once re-indexed (confirmed); the main
-window's filter IS user-settable in retail (first block on the options
-page, with a dedicated high-dword Society child @0x0049FEFB — so `0x20`
-Society is opt-in on main; acdream's `accept: null` main view over-displays
-it today); `SetFilter(0,…)` hard no-op (`:119`) blocks the future options
-UI; the 0-overloading makes AP-180's `m_idCurrentCommandSource` routing
-inexpressible. `ShouldDisplay_MainWindow_ShowsEveryBroadcastRegardlessOfSeededFilter`
-(`:137-146`) pins the wrong behavior including 0x1A displaying in main.
-
-**Fix:** separate the broadcast sentinel from the main-window id — either
-carry retail's real ids (main 8, floaties 2–5) in `ChatWindowState`, or
-keep 0–4 internally plus an explicit `BroadcastTargetWindow` constant
-distinct from every id; drop the SetFilter main no-op; give the main window
-a real accept predicate (default 0xFBFFFFFF, i.e. everything except 0x1A
-and with the high dword zeroed so Society is opt-in) in
-`ChatWindowController.GetTranscriptLines`; correct the class doc; re-point
-the test.
-
-## SHOULD-FIX 3 — CH6b: indicator buttons self-toggle on click
-
-`UiButton.cs:438-439`: `_pressed && _pointerOver && Enabled &&
-ToggleBehavior → _selected = !_selected`; the fixture shows
-0x10000522/0x10000523 carry DAT property `0x0B = true`, so a click flips
-Highlight↔Normal art with no visibility change — the mirror lies until the
-next real toggle. Retail: clicking does nothing (0x10000522–0x10000525
-appear ONLY in `RecvNotice_SetPanelVisibility @0x004CCD80`). The existing
-test asserts `OnClick == null` (wrong level) on a synthetic fixture without
-0x0B. **Fix:** a `SuppressSelfToggle` opt-out checked at `UiButton.cs:438`,
-set in `ChatWindowController.Bind` with the @0x004CDA80 citation; test
-presses/releases an indicator built WITH 0x0B=true, state unchanged.
-
-## SHOULD-FIX 4 — CH6b: 0x2100005B never dumped (research doc's explicit instruction)
-
-No `chat_floaty_2100005b.json` fixture; `FloatingChatWindowControllerTests`
-is fully synthetic with Type-3 stand-ins. Three untested production
-assumptions: `FloatingChatWindowController.cs:122` (`FindElement(InputId)
-as UiField` — if 0x10000016 isn't Type-12 with Editable 0x16, all four
-windows mount non-interactive), `:199` (`TitleBarId is UiText` — if it
-imports as UiDatElement the "Chat N" title never renders), `:211`
-(`CloseButtonId is UiButton` — no test at all). The dump's `widget_kind`
-is media-presence-driven and cannot settle element types. **Fix:** add
-`0x2100005B` to `RetailLayoutFixtureGenerator.Layouts`, commit the fixture,
-conformance tests pinning the resolved widget types of 0x10000016,
-0x10000019, 0x100004D9, 0x1000052A, and the border/corner element types
-(also determines whether floaties resize from real grips).
-
-## SHOULD-FIX 5 — CH6b: missing register row for the shared-transcript model
-
-Retail: per-ChatInterface `m_chatLog`, truncated at 10,000
-(`RecvNotice_DisplayFinalStringInfo @0x004F4711` → TruncateChatLog); a
-closed window keeps accumulating (`gmFloatyMainChatUI::SetVisible
-@0x004CE9B0` never unregisters the handler). acdream: one 500-entry
-ChatLog with a 200-line display tail each window filters — accumulate-
-while-closed and per-window scroll fall out correctly, but the EFFECTIVE
-per-window scrollback depth differs (a fellowship-only window retains up to
-10,000 fellowship lines in retail; here only those inside the last 200
-shared lines). **Fix:** file the register row (AP series) describing the
-depth divergence.
-
-## NITs
-
-N1 — filter persistence saves only from `/saveautoui` (`SaveLayout()`),
-while geometry/visibility auto-save; harmless today, note for CH6e.
-N2 — `ChatWindows.ResetToDefaults()` called only in Dispose; not resetting
-across reconnect is likely correct but undocumented — add the one-line
-comment (deliberate, user preference survives reconnect).
-N3 — research doc §1.3 still says UNVERIFIED for the modifier decode
-(CH6b resolved it: MetaKeys 1=Shift, 2=Ctrl, 3=Alt→mask 0x4, 4=Win — also
-fix the §1.3 "0x00000002 = shift" mislabel).
-N4 — §1.4's "the ONLY function that branches on idMessage == 1" superlative
-is false (`gmFloatyChatUI::ListenToElementMessage @0x004CE330` does too);
-the substantive claim stands; fix the wording.
-N5 — `ChatTranscriptRenderer.BuildLines` calls back into
-`ChatWindowController.WrapText`; move WrapText into the renderer to close
-the circular dependency.
-
-## CONFIRMED-OK (do not churn)
-
-CH6a layout geometry vs the independent 2026-06-25 dump; the Type-2/Type-9
-correction; `DecodeBorderLocation` vs `StartMouseResizing @0x0046B7E0`;
-deleted compensations have no survivors and each removal is DAT-justified;
-cursor ids byte-exact; AP-185 accurate; the UiRoot grip/dragbar priority
-change is retail-correct. CH6b masks (via the options page, independent of
-PostInit); Alt+1..4 proven; pure-mirror indicators (the finding, not the
-implementation); closed-window accumulation reproduced; SpewBox 0x1A
-exclusion survives everywhere; ChatTranscriptRenderer behavior-identical
-for main; layering clean (Core presentation-free, single canonical
-instance, zero env reads, zero GameWindow changes); input pipeline
-conventions followed; visibility chokepoint genuine; AP-187/AP-188/#369
-accurate.
diff --git a/docs/research/2026-08-10-character-options-map.md b/docs/research/2026-08-10-character-options-map.md
deleted file mode 100644
index e3be0c61..00000000
--- a/docs/research/2026-08-10-character-options-map.md
+++ /dev/null
@@ -1,615 +0,0 @@
-# Character-tab option map — settings-track research lane B
-
-**Campaign:** settings track (retail four-tab Options panel).
-Handoff: `docs/research/2026-08-10-settings-track-handoff.md`.
-**Lane:** B — handoff research questions **Q2** (complete Character-tab
-option map), **Q7** (which options have live acdream consumers), and the
-**bot-relevance half of Q8**.
-**Date:** 2026-08-10. **Mode:** research only — no code changed, nothing
-built, nothing launched.
-
-**Sources.** `docs/research/named-retail/acclient.h` (verbatim retail
-`PlayerOption` enum + `PlayerModule`/`UIOption_Checkbox` structs),
-`docs/research/named-retail/acclient_2013_pseudo_c.txt` (BN pseudo-C),
-the PDB-paired binary at `C:\Users\erikn\Downloads\acclient.exe`
-(`check_exe_pdb.py` → `=== MATCH ===`, GUID
-`9e847e2f-777c-4bd9-886c-22256bb87f32`, linker 2013-09-06T00:17:56Z),
-vendored ACE at `references/ACE/`, and acdream `src/` in this worktree.
-
----
-
-## 0. Verdict summary
-
-| Question | Answer |
-|---|---|
-| Do we have the complete Character-tab row list? | **Yes, and it is decomp-authored, not inferred.** `gmCharacterSettingsUI::InitOptions @0x004a02f0` emits exactly **50 toggle rows in 6 header groups**, in an order that matches the user's three screenshots **row-for-row**. |
-| Is ACE's option-id → bit map right? | **Yes, byte-verified.** The client's own `PlayerModule::GetOption @0x005d3aa0` switch assigns the same bit to all 52 options present in the 2013 build. `CharacterOptions1.Default = 0x50C4A54A` also reconstructs exactly from retail's own per-option default table (§1.4). |
-| 0x0005 vs 0x01A1 — what decides? | **`CPlayerModule::IsAutoSaveOption @0x0059a600`**, a 0x34-byte lookup table (byte-verified, §1.3). 21 of 53 options send `SetSingleCharacterOption (0x0005)` **immediately**; the other 32 only mark the module dirty and ride the batched `SetCharacterOptions (0x01A1)` blob 480 s later or at forced save. |
-| Does the Apply button send the blob? | **Not necessarily.** Each checkbox applies through `PlayerModule::SetOption` the moment Apply runs; auto-save ids leave as 0x0005 and never enter the blob. ACE's own header comment in `GameActionSetCharacterOptions.cs:11-16` independently describes this behaviour (and its stated rule — "options with a value set in the enum" — is **wrong**; all 53 have values. The real rule is the `IsAutoSaveOption` table). |
-| Does acdream track these today? | **Two bits are live; everything else is either a local `settings.json` bool the server never sees, or absent.** 6 `Hear*Chat` bits drive `TurbineChatMembershipGate`; `DragItemOnPlayerOpensSecureTrade` drives item interaction. That is the whole list. |
-| Is there a shared Runtime seam for bots? | **Yes, it already exists**: `IRuntimeCharacterCommands.SetSingleOption` (`src/AcDream.Runtime/GameRuntimeCommands.cs:249`), implemented by both hosts. It has **one defect** (§4.4): the headless implementation skips the local option-bit write the graphical one does. |
-| Does ACE reject option changes from a live session? | **0x0005: no gate at all.** **0x01A1: refused before `FirstEnterWorldDone`.** But an *unknown* option id makes ACE throw (§5.3) — a real bot-safety constraint. |
-
-Two divergences worth naming immediately, because they are behavioural
-and currently unfiled:
-
-1. **`/acceptcorpselooting` toggles a local bool the server never sees.**
- `ClientCommandController.cs:444-450` flips
- `GameplaySettings.AcceptLootPermits` only. Retail sends
- `0x0005 (0x10)` immediately (auto-save), and ACE honours the bit at
- `Player_Death.cs:755`. Today the corpse permission is a lie.
-2. **`AutoRepeatAttack` is client-local in acdream but server-authoritative
- in ACE.** `LiveCombatAttackOperations.cs:95,169` reads the local
- setting; ACE independently re-attacks based on its own stored bit
- (`Player_Melee.cs:375`, `Player_Missile.cs:284`). The two can disagree.
-
----
-
-## 1. The retail mechanism (settled, byte-verified)
-
-### 1.1 Storage
-
-`PlayerModule` (`acclient.h:36507`) holds the two option words plus the
-non-boolean option payloads:
-
-```c
-struct __cppobj PlayerModule : PackObj {
- ShortCutManager *shortcuts_;
- PackableList favorite_spells_[8];
- PackableHashTable,long> *desired_comps_;
- unsigned int options_; // CharacterOptions1
- unsigned int options2_; // CharacterOptions2
- unsigned int spell_filters_;
- GenericQualitiesData *m_pPlayerOptionsData;
- PackObjPropertyCollection m_colGameplayOptions;
- AC1Legacy::PStringBase m_TimeStampFormat;
-};
-```
-
-The linear id space is `enum PlayerOption` (`acclient.h:4162-4217`),
-`0x00`..`0x33`, terminated by
-`TotalNumberOfPlayerOptions_PlayerOption = 0x34`. **The 2013 build has no
-`0x34`.** ACE's `ListenToPKDeathMessages = 0x34` is a post-PDB addition
-(ACE says so itself at `PlayerFactory.cs:659` — *"possibly was added to
-Defaults post PDB we have"*).
-
-### 1.2 Two kinds of option row — the tab discriminator
-
-`UIOption_Checkbox` (`acclient.h:6108`) carries **both** a
-`PlayerOption m_playerOption` and a `PStringBase m_prefName` /
-`unsigned int m_propName`. `UIOption_Checkbox::GetValue @0x00486f60`
-branches on which is set:
-
-* `m_playerOption != Invalid (0xFFFFFFFF)` → `PlayerModule::GetOption` →
- the server-synced character option.
-* otherwise → `UIPreferences::InqPreferenceValue(m_prefName)` → a
- **client-local preference**, applied via
- `UIPreferences::ModifyPreference` + `CM_UI::SendNotice_UserPreferenceChanged`
- (the apply path at `0x00486e2b`-`0x00486e49`).
-
-**Cross-lane fact, cheap to state here:** `gmConfigUI::InitOptions
-@0x0049e400` and `gmChatOptionsUI::InitOptions @0x0049fc60` contain
-**zero** `AddToggleOption(_PlayerOption)` calls (12 `AddHeader` +
-12 `AddSeperator` between them, no PlayerOption rows). Every
-server-synced character option in retail lives on the **Character tab**;
-Config and Chat are `m_prefName`/per-window-blob territory.
-
-### 1.3 Apply → wire: `IsAutoSaveOption`
-
-```
-PlayerModule::SetOption(opt, v) @0x005d3eb0
- → writes the bit into options_ / options2_
- → virtual vtable+0x14 == CPlayerModule::OnChanged(PlayerOption) @0x0059a8e0
- → CM_UI::SendNotice_PlayerOptionChanged(opt) // local UI fan-out
- → local side-effect switch (6 cases only — §1.5)
- → if (CPlayerModule::IsAutoSaveOption(opt)) @0x0059a600
- CM_Character::Event_PlayerOptionChangedEvent(opt, GetOption(opt))
- // == GameAction opcode 5, 0x14-byte body: u32 option, u32 value
- return;
- else
- m_bDirty = 1; m_timeFirstDirtied = Timer::cur_time;
-
-CPlayerModule::UseTime @0x0059a710 : dirty && (cur_time - firstDirtied) > 480.0
- → CM_Character::Event_CharacterOptionsEvent
-CPlayerModule::SaveToServer @0x0059a660 : (dirty || force) → same
-CM_Character::Event_CharacterOptionsEvent @0x006a10c0 : opcode 0x1A1, body is
- literally PlayerModule::Pack(...)
-```
-
-So the **0x01A1 body is the packed `PlayerModule`** — flags-driven,
-exactly what ACE's `GameActionSetCharacterOptions` reader parses. (Lane
-for Q4; recorded here because the builder address is the answer.)
-
-**`IsAutoSaveOption` lookup table — byte-verified** from the PDB-paired
-binary at VA `0x0059a62c` (file offset `0x19a62c`, `.text`), 0x34 bytes:
-
-```
-00 00 00 01 01 01 01 01 01 01 01 01 01 01 01 00 00 00 00 01 01 01 01 01
-01 00 01 00 01 01 01 01 01 01 01 00 00 00 00 00 01 01 00 00 01 01 00 00
-01 00 00 00
-```
-
-`0x00` → `jump_table[0]` → `return 1` (auto-save). The 21 auto-save ids
-are therefore: **0x00, 0x01, 0x02, 0x0F, 0x10, 0x11, 0x12, 0x19, 0x1B,
-0x23, 0x24, 0x25, 0x26, 0x27, 0x2A, 0x2B, 0x2E, 0x2F, 0x31, 0x32, 0x33**.
-Every other id (0x03–0x0E, 0x13–0x18, 0x1A, 0x1C–0x22, 0x28, 0x29, 0x2C,
-0x2D, 0x30) is batched.
-
-Sanity check against an independent source: ACE's comment says
-*"Auto Repeat Attacks → SetSingleCharacterOption; Disable Most Weather
-Effects → won't trigger"*. Table: `0x00` = auto-save ✔, `0x04` =
-batched ✔.
-
-### 1.4 The Defaults button — retail's own per-option default table
-
-`PlayerModule::GetDefaultOptionValue @0x005d2a30`. The
-`UIOption_Checkbox` caches it into `m_default` at
-`SetPlayerOption @0x00486f2d`, so this **is** what the Character tab's
-Defaults button restores.
-
-Byte-verified at VA `0x005d2a5c` (file `0x1d2a5c`), **0x2B bytes** —
-indices `0x00`..`0x2A` only, followed by `90` padding:
-
-```
-00 01 00 01 01 01 00 01 00 01 00 01 01 00 00 00 01 01 01 01 00 00 01 01
-01 00 01 00 01 01 01 01 01 01 01 00 00 00 01 01 01 01 00
-```
-
-`0x00` → default **true**. **Options `0x2B`..`0x33` fall off the end of
-the table and default to `false`** (`UseFastMissiles`, `FilterLanguage`,
-`ConfirmVolatileRareUse`, `HearSocietyChat`, `ShowHelm`,
-`DisableDistanceFog`, `UseMouseTurning`, `ShowCloak`, `LockUI`) — the
-table was never extended when those options were added.
-
-Reconstructing the words from the true entries:
-
-* **Options1** = `0x02|0x08|0x40|0x100|0x400|0x2000|0x8000|0x40000|0x400000|0x800000|0x10000000|0x40000000` = **`0x50C4A54A`** — **identical to ACE's
- `CharacterOptions1.Default`.** This is an independent binary
- confirmation of that constant *and* of the id→bit map for those 12 ids.
-* **Options2** = `0x100|0x200|0x400|0x8000` = **`0x00008700`**, whereas
- ACE's `CharacterOptions2.Default = 0x00948700`. The three extra ACE
- bits (`ConfirmVolatileRareUse 0x40000`, `ShowHelm 0x100000`,
- `ShowCloak 0x800000`) are exactly three of the ids past the table's
- end. **This is not a divergence to file** — retail's table is the
- *client Defaults button*, ACE's constant is the *server
- character-creation* value; they are different mechanisms and retail's
- own server-side creation value is not observable to us. It IS a
- behavioural difference the panel must reproduce: our Defaults button
- must restore `0x50C4A54A` / `0x00008700`, not ACE's creation mask.
-
-### 1.5 Retail's immediate local side effects (only six)
-
-`CPlayerModule::OnChanged(PlayerOption)` switch — lookup table at
-`0x0059aa04` (0x2F bytes, index = `arg2 - 2`), byte-verified:
-
-| Option | Effect |
-|---|---|
-| `0x02 IgnoreFellowshipRequests` | if set → clears `FellowshipAutoAcceptRequests` |
-| `0x04 DisableMostWeatherEffects` | `SmartBox::EnableWeather(!value)` |
-| `0x05 PersistentAtDay` | `LScape::SetDay(value)` |
-| `0x07 ViewCombatTarget` | `ClientCombatSystem::TrackTarget(value)` |
-| `0x12 FellowshipAutoAcceptRequests` | if set → clears `IgnoreFellowshipRequests` |
-| `0x30 DisableDistanceFog` | `LScape::m_fFogEnabled = !value` |
-
-`CPlayerModule::OnInitialize @0x0059a690` applies four of these at login
-(`PersistentAtDay`, `DisableDistanceFog`, `DisableMostWeatherEffects`,
-`ViewCombatTarget`). **Everything else is consumed lazily at its point of
-use** (§2's "retail consumer" column).
-
-> **BN artifact note.** `OnInitialize`/`OnChanged` render the logical NOT
-> as `eax = -(eax); x = ((eax - eax) + 1)` — that is `neg` / `sbb eax,eax`
-> / `add eax,1`, i.e. `x = !value`. Reading it literally as arithmetic
-> would invert the weather and fog semantics. This is the exact artifact
-> class the chat digest's DO-NOT-RETRY table warns about.
-
-### 1.6 Every option is also a bindable keyboard action
-
-`CPlayerSystem::OnAction(InputEvent*) @0x00561890` contains one
-`case` per option that does `Set