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Vance IngallsandClaude Fable 5
a2243f7586
Two guarantees so figma-motion imports can't drift from the design again: - motionContextToDocs(): raw get_motion_context response -> MotionDoc[], in code. Parses the motion.dev snippets (the reliable encoding; the CSS snippets stretch durations and can disagree), strips loop-wrap tail keyframes (sub-ms segments at the window end are the loop reset, not authored motion), preserves bezier eases verbatim. Fixture test uses the verbatim response from a real Motion timeline whose translation was frame-validated against Figma's own export_video render. - skills/figma/scripts/verify-motion.mjs: mandatory post-render gate. Compares motion-energy deltas between the render and the export_video ground truth so static import fidelity cancels out and the score isolates choreography. Calibrated on a faithful translation (min 20.3dB) vs a diverging one (min 5.0dB); threshold 15dB. The skill's Motion step now routes through both: no hand transcription, no unverified completion. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>