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Vance IngallsandClaude Opus 4.8
c040e4973a
Add gsapWriterParity.corpus.test.ts: a reusable recast-vs-acorn differential harness (runParity/modelOf, exported for the WS-3 op-PR workflow) plus a broadened corpus (3 real registry scripts + 10 synthetic) covering to/from/fromTo, multi-tween, keyframes, labels, numeric/label-relative/symbolic positions, stagger/repeat/yoyo extras, and sub-composition selectors. Extends true differential coverage to the five previously standalone-only acorn ops (update/add/removeAnimation, update/removeKeyframe) and adds correctness tests for the acorn-only label ops. Fix three acorn-writer divergences the suite surfaced: - updateAnimationInScript now REPLACES the editable property set (and fromTo from-vars) instead of merging, matching recast's reconcileEditableProperties; non-editable keys (duration/ease/stagger/…) are preserved. - removeKeyframeFromScript now collapses keyframes back to a flat tween when fewer than two keyframes remain, matching recast's collapseKeyframesToFlat. Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>