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feat(motion): review registered timelines with playback controls - #22
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Pages with a HyperFrames timeline (window.__timelines / __player), plain
GSAP, or finite CSS/WAAPI animations report {duration, t, playing} over the
frame port. The viewer shows a player bar (play/pause, scrub, 0.5x/1x,
frame step, loop, space/arrow keys), and comments get seekable [m:ss]
timestamps. Adds a Motion section to the agent skill.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
… rail Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
notsuhas
marked this pull request as ready for review
October 9, 2026 17:32
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Adds viewer playback for registered GSAP and HyperFrames timelines: play/pause, seek, frame step, half speed, loop and comment timestamps. Ordinary GSAP, CSS and Web Animations keep their own behavior.
Resets player state on document changes, handles delayed registration and mismatched durations, and keeps keyboard shortcuts out of text inputs and controls. Moves timestamp helpers into a shared module.
Validation: full Bun and Go tests, typecheck, lint, format and independent security/code-quality reviews pass. T3 runtime checks covered playback controls, frame step, comment timestamp seeking and timestamp insertion.