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Vance IngallsandClaude Sonnet 5
351b219d2b
Plural voiceover carve now targets a group instead of naming each clip: `resolveCarveSourceIds` (core `audioGroups.ts`) expands a group id to its current members at analysis time, so a clip added to the group later is covered without touching `sources`. The picker (`useFxCarve.ts`) offers a grouped voice as one option instead of one row per member, tests overlap as a union of member spans (a group overlaps the bed if ANY member does), and prefers a qualifying group over its individual members in `autoSourceIds`. Picking two or more ungrouped voice clips in the carve flow now mints a group behind them (`mintGroupId`, de-duped against every id in the document) and writes `data-audio-group` on each picked clip atomically, one undo entry — `createAudioGroupAndAssignMembers` in `timelineTrackVisibility.ts` copies `setElementsHidden`'s multi-target write shape. The DSP is untouched: `mixCarveSources` already sums multiple sources correctly (verified in the design doc's own investigation) — this only fixes the picker. New lint rule `audio_carve_ungrouped_sources` (`packages/lint/src/rules/ media.ts`, alongside `audio_volume_double_automation`) warns when a `data-fx-carve`'s `sources` names two or more plain clip ids instead of a group — the shape that silently rots when a clip is added. `/hyperframes- audio` states the same rule as an invariant, not a tip, with the grouped- narration HTML example from the design doc. The group-matching and auto-group logic (`withAutoGroupedSources`, `collectCarveCandidates`) is split into `useFxCarveGrouping.ts` — `useFxCarve.ts` was pushing past the 600-line cap. `resolveNextCarveSettings` is deliberately NOT an `async function`: wrapping it in one would force a microtask on every call, including the synchronous branch — the exact bug `withAutoGroupedSources`'s own sync-when-possible contract exists to avoid, and one caught via `propertyPanelAudioFxGroup.test.tsx` (10 failures) before fixing it back to a plain function the caller conditionally awaits. Also extracted `useEffectiveTimelineDuration` out of `App.tsx` and `useRemoveBackground` out of `StudioRightPanel.tsx` (both pushed past 600 lines from an added prop wire), and decomposed `useFxCarve.ts`'s picker IIFE to clear fallow's complexity gate. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
@hyperframes/studio
Browser-based composition editor UI for Hyperframes. Provides a visual timeline, code editor, and live preview for building video compositions.
Install
npm install @hyperframes/studio
What it does
The studio is a React application with:
- Visual timeline — drag, resize, and arrange elements on tracks
- Code editor — edit HTML and GSAP scripts with CodeMirror (syntax highlighting, autocomplete)
- Live preview — see changes in real time as you edit
- Composition inspector — view and modify element properties
Development
The studio is embedded in the hyperframes preview command. To develop the studio UI itself:
cd packages/studio
bun run dev # Start Vite dev server
bun run build # Build for production
bun run typecheck # Type-check
Tech stack
- React 18/19, Zustand (state management)
- CodeMirror 6 (editor)
- Tailwind CSS (styling)
- Vite (bundler)
- Phosphor Icons
Documentation
Full documentation: hyperframes.heygen.com/packages/studio
Related packages
@hyperframes/core— types and parsers used by the editorhyperframes— CLI that serves the studio viahyperframes preview