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Miguel Ángel
70dde41b5c
* perf(studio): keep timeline bulk actions under a second, hand-move at most 3 clips Dragging or keyboard-moving a selection of 4 or more clips is refused with a toast pointing at the prompt box; 1 to 3 clips move as before. Root causes of the multi-second waits on large projects: - every selected clip fired its own source-existence probe; they now leave as one request per file - a timeline delete sent one request per clip, each re-parsing the file; it is now one request that parses once - each click on a clip from another file re-fetched GSAP data for every composition; covered files are kept and unchanged files answer 304 - any root index.html write re-captured every composition thumbnail; only a root head edit does now, since a scene page borrows nothing else from it Adds timeline-bulk-actions.mjs, a browser benchmark of select-all, move 3 and delete-all on a real project. * chore(studio): trim the bulk benchmark header to the comment limit * refactor(studio): tidy the bulk-action fixes after review Root head memo is keyed by the root file's content so every subscriber of one write gets one answer, and a thumbnail request can no longer overwrite it. The GSAP read reuses the shared content version as its ETag. * fix(studio): keep a head edit's thumbnail refresh when a later write replaces it File changes coalesce to the newest while a drain is in flight, so the affected-composition lists are merged instead of replaced. A failed GSAP read stays unloaded and is retried, and the GSAP read's ETag is salted with the parser version. * feat(studio): cap hand-resizing a multi-selection at 3 clips like moving Dragging a resize edge with 4 or more clips selected is refused with the same toast as a move; the rule is one constant and one helper shared by pointer move, pointer resize and keyboard pickup. * fix(studio): keep a head edit's thumbnail refresh through a replaced conflict A newer blocked change replaces the held one, so it now inherits the thumbnails the held one owed. * fix(studio): keep a held head edit's thumbnail refresh when a later write saves cleanly The clean-save path and the failed-cleanup path now merge the held blocked change's affected compositions, and the blocked-state merge runs inside the state update so two conflicts in one tick cannot lose the first. * chore(studio): keep useTimelineClipDrag under the 600-line cap * feat(studio): cap by the clips an edit would change, and cut the added comments The 3-clip rule counts the clips a move or trim would write to: a locked clip swept into a move stays put, and a trim some member cannot take edits only the grabbed clip. Comment share is back at or under the base in every changed file. * fix(studio): clear fallow audit and comment length on the multi-select cap * fix(studio): keep bench script comments under the block limit * fix(studio): keep the failed file's payload when another file's snapshot delete fails