feat(studio): split clip at playhead for media elements [7/10]#1189
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feat(studio): split clip at playhead for media elements [7/10]#1189miguel-heygen wants to merge 1 commit into
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This was referenced Jun 4, 2026
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…otkey Add splitElementInHtml to core source mutation helpers — clones an element at the split time, adjusts data-start/data-duration/data-media-start for both halves, and inserts the clone after the original. Wire through: split-element API endpoint, handleTimelineElementSplit in useTimelineEditing, clip context menu (right-click → Split at Xs), toolbar split button, and S keyboard shortcut. Edge cases: locked/implicit clips blocked, media trim offset adjusted by playback rate, unique ID generation with collision avoidance, undo via edit history.
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Summary
splitElementInHtmlto core source mutation — clones element, adjusts timing/media-startsplit-elementAPI endpointhandleTimelineElementSplithandler with media-only guardSkeyboard shortcut+245 LOC