sylph-decoder cda34658ec re: the port's two extra elements are PLATEAU cases -- refutation succeeds, and its point gets bigger ...

The port listed palogo_gamearts_eff and palogo_seta_eff among GP_TITLE's four
visible dwell-fallback fires; this census listed only palogo_sqex_eff and
palogo_anima_eff. Checked, and the census is right: gamearts_eff and seta_eff
hold a=255 at identical x, y and scale from t=15 to t=30, which is a plateau at
pair index 1, so rest_plateau() handles them and t=15 is the CORRECT answer. They
are not fallback cases.

The distinction is not cosmetic -- a plateau is a pose the element genuinely
holds, and only the dwell fallback is the unsound path.

But the refutation makes the port's underlying point STRONGER. Its rest pose for
those two really is the flash's peak, reached by the SOUND path. So 'a rest
render is not a frame to score against a capture' does not follow from the
fallback being unsound: a plateau can itself be the held peak of a transient. The
rule covers both paths, and the fallback census understates the exposure rather
than bounding it.

Also records the port's oracle number for the rule -- publisher splash against
the committed capture, timeline RMSE 2.17 / 0.01 % differing against --pose=rest
9.05 / 0.75 %, 75x the differing area.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Wuu56cE8vJGTBtn1ppsk8v

2026-08-30 11:54:43 +00:00

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