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docs(headless): record K3 isolation checkpoint

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Erik 2026-07-27 09:28:47 +02:00
parent b6547ff38c
commit fd9559a063
6 changed files with 114 additions and 10 deletions
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docs/plans/2026-07-26-modern-runtime-slice-k.md
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# Modern runtime Slice K — Linux headless and multi-session host
**Status:** K0–K2 COMPLETE; K3 ACTIVE 2026-07-27
**Status:** K0–K2 COMPLETE; K3 AUTOMATED CHECKPOINT COMPLETE, CONNECTED GATE ACTIVE 2026-07-27
**Parent:** `2026-07-24-modern-runtime-architecture.md`, Slice K
**Authorization:** the user approved Slices F–L on 2026-07-24
**Purpose:** run efficient automated clients on Linux without a display, GPU,
@ -293,6 +293,18 @@ not busy-loop.
### K3 — shared immutable content and isolation
**Automated checkpoint complete at `12b500d3`, `9569dadb`, and `b6547ff3`.**
The process opens the exact DAT/pak/magic/terrain sources once, shares a
bounded immutable flat-collision cache, and gives each session its own
Runtime/physics/cache/movement/collision-neighborhood graph. The direct
accepted-state route now hydrates local-player movement and terrain, EnvCell,
building, stab, and procedural-scenery collision without loading presentation.
The 1/5/10-session same-GUID/portal/reconnect gate and policy-fault quarantine
pass. Runtime passes 412 tests, Headless 42, App 3,722/3 skips, and the complete
Release solution 8,758/5 skips. The remaining K3 work is the visible-terminal
Windows connected gate plus the matching Linux/WSL production gate. Evidence:
`docs/research/2026-07-27-slice-k3-shared-content-isolation-checkpoint.md`.
- Introduce a process content owner with leases and exact last-user disposal.
- Share mapped pak/DAT/immutable tables and flat collision payloads.
- Retain per-session mutable physics/cache/scratch/state.
@ -389,3 +401,11 @@ K2 exact rollback, newest first:
git revert 38e83640d907ee3e0819f3b38ca117ca60914d6b
git revert 7e8acb74dd20931d5ba88430fd100cd074a32e4d
```
K3 automated-checkpoint rollback, newest first:
```text
git revert b6547ff38c375328417855200f41c8af6436f246
git revert 9569dadb578b299b24e30aec85eee86ec0c2b3fb
git revert 12b500d38362e8aae0a23a4f9712b86367006f76
```