feat(studio): add keyframe timeline state#2573
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miguel-heygen wants to merge 1 commit into
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This was referenced Jul 16, 2026
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This was referenced Jul 16, 2026
This was referenced Jul 19, 2026
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Summary
The Studio now has one identity-aware state model for expanded lanes, keyframe selection, cache refresh, and ease focus.
Stack
Part 6 of 20. Parent: #2562. Next: #2574. The golden reference, #2387, remains open and unchanged.
Test plan
Post-Deploy Monitoring & Validation
Validation window: first 24 hours after the stack merges. Owner: Studio maintainers. Watch browser console and support reports for
[Timeline],gsap-parser, failed keyframe mutations, or preview/render easing mismatches. Healthy means edits persist and preview/render agree; revert the first failing layer if authored animation data changes unexpectedly.