Counting indices/4 lands every transition where the export's declared alpha>0 count changes, within a half-open boundary. Their quad counts (1/2 publisher, 3/6 developer) also reproduce exactly when restricted to sprite-bearing elements -- independently confirming the layerless backdrop is absent from the batch they log. Refutation: their drift explains the corpus 4.1% in SIGN but overshoots in magnitude 2.4x (predicts a 1.369 ratio, corpus shows 1.278, declared 1.214). The drift was measured in their container and the 4.1% belongs to a different instrument -- the same transfer I just got wrong with build 4. Guards keyframe_units_per_second at the constant itself: 60 is the game's logical rate, not a frame rate, and the 33% drift is not evidence about it. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01N7FiFFFwbvG2uxdcEh8HyF
Authored decisions
Everything here is a decision we made, not something the disc said. It is
hand-written, committed, and survives a re-export — unlike export/, which is
regenerated wholesale and must never be hand-edited.
Every entry carries a why. When the RE agent decodes the real answer, delete
the entry and let the exporter emit it; that deletion is the measure of
progress.
See docs/FORMAT.md for the schemas and docs/BLOCKED.md for which HANDOFF
question each placeholder is standing in for.