Adds EntityClassificationCache.DebugCrossCheck(entityId, liveBatches) that
asserts cached state matches a live re-classification. Wires a simpler
predicate assert into WbDrawDispatcher's cache-hit branch (asserts
isAnimated == false on cache hit). Tests #13a and #13b cover the
batch-count mismatch and clean-match cases via a custom TraceListener
that captures Debug.Assert calls.
Zero cost in Release. In DEBUG, the assert fires immediately if a future
regression mutates static-entity state outside the audit's known write
sites — the same failure mode that bit the prior Tier 1 attempt.
Phase 4 complete. Cache + invalidation + safety net all in place.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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