c7b832db4c5d3e05d091d59e547d1eca7aad170d
Records why the merge must not be re-proposed without a new idea. WorldControlPoints keep the
authored room-floor anchors and walkable routes before cave warp; replacing them lost 1,146 fit /
975 walk-reachable cells, and the exact shared-segment variant was slower. The remaining large
costs are the geometry itself, so the exact-skip perf push has reached diminishing returns; the
reach proofs are now guarded by an automation test (8ef1a3b).
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01TaFdXhTdYMkW1xrV6ApT6Y
measure(perf): the remaining 4.3x is ALL density evaluation -- and the classifier costs 3.5x in game
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