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Miguel Ángel
45d4a71ed0
* refactor(studio): extract shared timeline components and deduplicate code Extract shared utilities to reduce duplication across timeline components: - PlayheadIndicator: shared playhead rendering (was duplicated in TimelineCanvas and TimelineEditorNotice) - useContextMenuDismiss: outside-click/Escape dismiss pattern (was duplicated in ClipContextMenu and KeyframeDiamondContextMenu) - TimelineCallbacks: shared callback interfaces for drop and edit operations (was duplicated in NLELayout and Timeline props) - useTimelineZoom: consolidated zoom store selectors - timelineElementSplit: shared canSplitElement, buildPatchTarget, and readFileContent utilities - gsapParser.test-helpers: shared test utilities for parser specs * feat(core): GSAP-aware split engine for timeline clip splitting Add splitAnimationsInScript to the GSAP parser — correctly re-times animations when a timeline clip is split at an arbitrary position: - Animations before split: kept on original, properties inherited via tl.set inserted before other tweens for correct GSAP state recording - Animations after split: retargeted via AST selector update - Spanning animations: trimmed on original, continuation added for new element with correct position and duration - Keyframes: classified by total per-keyframe duration - Reverse iteration prevents stale animation ID collisions Enhance splitElementInHtml: - CSS rule duplication via PostCSS for ID-based styles - Server-side ID deduplication for repeated splits - Media playback-start adjustment for video/audio Add split-animations route to gsap-mutations endpoint.