ae29639307
C0 landed at 67f63e85 with dual review PASS; the plan now records its
delivered seam (acknowledge-only ExecutorCompleted receipts through the
one placement stream, retail-exact live-input derivation, the chained
authored-mover preparation, the cancellation-symmetry hardening) and the
three C3 prerequisites its reviews surfaced: the internal-only completion
receipt surface, the per-Execute distance-freshness deferral, and the
SendAutonomyLevelEvent obligation on any future autonomy-level host
exposure. Next slice: C1, the atomic controller/body publication.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
110 lines
6.7 KiB
Markdown
110 lines
6.7 KiB
Markdown
# Placement production cutover — campaign plan (2026-08-02)
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The final leg of the remaining physics-divergence campaign before AP-22 and
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AD-10: route graphical AND headless production placement through the
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residence + continuation-executor owner (`38fd4b8d` / `30012361` /
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`5db3de3c`), delete the legacy duplicate authorities, and retire AP-1/AD-1
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behind connected + user-visual gates.
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**Inputs (read in order):**
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1. [`2026-08-02-runtime-continuation-executor-handoff.md`](../research/2026-08-02-runtime-continuation-executor-handoff.md)
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— the completed dormant mechanism and its cutover notes.
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2. [`2026-08-02-cutover-route-inventory.md`](../research/2026-08-02-cutover-route-inventory.md)
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— the full 8-route, both-host call-chain inventory with exact file:line
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for every duplicate authority to remove. THE map for all slices below.
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3. [`2026-07-31-remaining-physics-campaign-handoff.md`](../research/2026-07-31-remaining-physics-campaign-handoff.md)
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— the original per-route requirements and prerequisite definitions.
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**Standing discipline per slice:** pinned contract → single implementer →
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independent retail-conformance + architecture/adversarial reviews (both must
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PASS on the final diff) → focused + complete Runtime + Release build +
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complete solution gates → bisectable behavior commit (register rows in the
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same commit) → docs/handoff commit. No workarounds; no fused slices.
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## Confirmed pre-cutover gaps (from the inventory)
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- The executor publishes only generic entity deltas; nothing bridges its
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completion to `RuntimePlacementProjectionChannel`, so no host can learn
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"my initial placement committed" through the built observer seam.
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- No atomic controller/body publication owner exists (prerequisite C);
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App and headless hand-write divergent `PlayerMovementController`
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construction, and `SubmitPreparedPlacement` requires a canonical
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`PhysicsBody` that nothing currently publishes atomically.
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- The dormant placement path's 1,880 B/operation (2,048 cap) allocation
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remains the activation blocker for frame-frequency routes.
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- `Execute`'s live inputs (`UsePositionFromServer`, `PlayerDistance`) are
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computed by no host; they must derive from Runtime's own character-option
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and local-player owners.
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- `RuntimePortalPlacementAuthority` has zero producing call sites; the
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adapter from `RuntimeWorldTransitState` does not exist.
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- The exact-Setup mover chain (`PrepareMover` /
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`RuntimeSetPositionMoverPreparer.TryBuild` /
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`IPreparedCollisionSource.ReadSetupCollision`) exists piecewise, unwired.
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- Route-6 split-recovery creates need an effect-replay suppression signal;
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route-7 needs `TryCommitParent`/`CommitWithdrawal` cancellation-symmetry
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fixes and host-visible cancellation receipts; headless lacks any
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parent-realize sequence (pre-existing, adjacent).
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## Slices
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- **C0 — Runtime bridge + live inputs — COMPLETE at `67f63e85`
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(2026-08-02, dual reviews PASS).** The executor publishes an
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acknowledge-only `ExecutorCompleted` receipt through the one placement
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stream (registered before dispatch; correlation reaped on
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acknowledgement/discard/clear; `PendingCompletionReceiptCount` in
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`IsConverged`); all three production sinks acknowledge-and-ignore the
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kind via early returns proven behavior-preserving for every other kind
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(sanctioned seam completion — provably inert, no production publisher);
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`UsePositionFromServer` derives retail-exactly from
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`RuntimeCharacterState.AutonomyLevel != 2` and `PlayerDistance` from the
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live movement controller with null-safe fallback to the caller struct;
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`TryPrepareAndSubmitAuthoredPlacement` chains the prepared-collision
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Setup read through `PrepareMover` to submission with zero validation
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changes; `TryCommitParent`/`CommitWithdrawal` gained the sibling
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cancellation flow (the `LeaveWorld` omission in `TryCommitParent` is
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retail-REQUIRED per `set_parent` 0x00515A90:283832-283833's single gated
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`leave_world`). Not fully dormant by design: the two cancellation fixes
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change live Runtime paths production already calls; everything else has
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no production caller.
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**C3 prerequisites recorded from C0's reviews:** (a) the completion
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receipt/trace surface is internal-only — C3 must define the public host
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consumption shape when it wires the hosts; (b) `PlayerDistance` is
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resolved once per `Execute` entry, not per continuation — a multi-Position
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FIFO classifies later entries against entry-time distance (documented
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deferral; refine at C3/C4 if the connected gates show it matters);
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(c) any future host exposure of `TrySetAutonomyLevel` must carry retail's
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`SendAutonomyLevelEvent` (699550).
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- **C1 — atomic controller/body publication (prerequisite C).** One
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Runtime-owned transaction publishing the exact same canonical body to
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graphical and no-window controllers, prepared off-canonical, committed
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atomically, respected by every body writer/binding/clock-epoch/teardown
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path. The rejected snapshot-lease design stays rejected. Adversarial-gate
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heavy (the campaign handoff's full list).
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- **C2 — placement allocation budget.** Pool or eliminate the operation/
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projection envelope allocations on the accepted placement path (root
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cause, not a raised cap), or obtain explicit user approval for a measured
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budget. Re-measure; the regression gate keeps the ceiling.
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- **C3 — spawn-frequency cutover: routes 1 + 8.** Flip graphical AND
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headless initial Create/login registration to
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`RegisterEntityWithInitialResidence` + executor + placement receipts
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together; `MaterializeProjection`/`BuildControllerAndCamera`/
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`SynchronizeLocalPlayer` become projection + acknowledgement only;
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presentation-only rebucketing (`RebucketLiveEntity` loses `CommitRebucket`).
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Gates add the exact lifecycle/reconnect connected route.
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- **C4 — remaining routes: 2 (ForcePosition), 3 (portal, with the
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`RuntimeWorldTransitState` → `RuntimePortalPlacementAuthority` adapter),
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4 (remote Create/Position; delete `RemoteTeleportController`/`Placement`
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and the inline MoveOrTeleport duplicate), 5 (projectile authoritative),
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6 (drops + split-recovery marking), 7 (residual pickup/parent/delete
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polish).** May land as more than one commit if a route proves large;
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each sub-landing keeps the full review discipline.
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- **C5 — legacy deletion + closeout gates.** Delete every superseded legacy
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path; parity tests; exact lifecycle/reconnect + canonical nine-stop
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connected routes; two-client observation; **user visual matrix** (the
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campaign's stopping point for user acceptance). Retire AP-1, AD-1,
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AP-131, AD-60's legacy half, and close #275. Update register/roadmap/
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milestones/architecture/memory + successor handoff.
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After C5: AP-22 (authored collision shapes), then AD-10 (remote
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contact-plane projection), then the campaign's final matrix and ledger
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closeout; vendor Slice 5 resumes.
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