6ddb834b1c6e23570a734f55fc5a767834f0cdfc
Island-only worker context replaced by a shared worker-local candidate domain (WorldAssemblyFeatureTileListV1 / ScopedWorldAssemblyFeatureQueriesV1) serving SurfaceWorld, FloatingIslands and far-shell queries; a per-domain cost hint keeps the full scan on small plans. Content placement prepares the same queries and skips proven air: owner island cell p95 7.07 -> 0.24 ms; populated fixture 572 exact placements, 3.27 s -> 29 ms. Full/candidate hashes equal with dropped-feature controls on both families; S1 default W1/W8/W16 hashes reproduced; Core-off and M2 fixtures pass. Default contract for future families in ARCHITECTURE 8.23. Run on gpt-6.1-sol medium. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MmSoF64BbRFmk9C3p1VsBJ
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