feat(scroll): P6.5 native attention-anchored agent driver — closes #68 - #69
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…erverState observe + cold-target propose tick
…n't livelock + e2e unplaceable-camera test
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P6.5 — native attention-anchored agent driver (headless)
The driver that reorganize cold doc regions while no human viewport move ("nothing change beneath you"). Closes #68, which close #66.
what land
attentionAgent.ts(new) — the driver. Eachtick(): resolve reader cameras → observe the cold set → propose reorganize of the least-recently-worked cold block throughpeer.propose(fork-and-diff, NEVER self-apply) → advance LRU. Default actor = idempotent whitespace tidy; actor injectable for P6.6+ richer restructure.cameraResolve.ts(new) — non-laundering camera resolve. Read.raw(published anchor), NOT.anchor(laundered to order[0]). Mirror the room authorityliveCameras(server/agent/spatialProposalGuard.ts): raw id if in order → redirect successor if in order → raw AS-IS. Keep unplaceable reader unplaceable soguardedBlocksfail closed. This is the P6.5 carry-forward: agent non-laundering camera resolution (gating) + ObserverState + awarenessKnown producer #66 F-02 fix.observer.ts(refactor) — take oneObserverState {tracked, lru}+ pre-resolved cameras (was raw remotes + two separate state values). P6.5 carry-forward: agent non-laundering camera resolution (gating) + ObserverState + awarenessKnown producer #66 F-06.guardCamerasFromRemoteslaundering bridge (+ its test). Zero refs repo-wide.belt & suspenders
Agent pick cold (belt); room authority re-check the same asymmetric residency band at commit (suspenders, P6.3). A proposal into a region a reader just enter is refuse op-grain. Fail closed on unknown awareness OR unplaceable camera → guard whole doc.
gate
4 inspector (guard/fail-closed · state/LRU · peer-discipline · test-integrity) → adjudicator.
actormakeproposethrow SYNC (headlessPeer run mutate sync), skip the LRU advance → livelock + cold-set starvation + split ObserverState. Fix:try/catch/finally— LRU advance on ANY attempt (commit/refuse/throw); a crash become a structured result, never a rejected tick. Tooth added (faithful sync fake peer prove the real mechanism).nowdoc (equal-timestamp tie-break else starve cold[0]).tick()single-flight guard (state unguarded across await) + agent stop/destroy. Later: pinned-source wiring, empty-proposal short-circuit. All backstopped by the server commit-gate or the default clock today.checks
typecheck ✓ · test ✓ (253 pass / 2 skip; agent suite 55, +2 new teeth) · build ✓. e2e unaffected (headless, no UI surface).
Closes #68
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https://claude.ai/code/session_01X7WHDHurYHVibsjwvevzFr