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Vance Ingalls
0126db7712
Twelve of the stack's feature commits landed on main as squashes (#3274 through #3292, plus #3401's canary removal); the 96 review-and-fix commits that followed them here did not, and main moved 64 commits on in the meantime. This reconciles the two. 58 files conflicted. 44 were audio-only — main's side there is the squashed form of commits this branch already carries and has since superseded, so the branch side stands. The rest needed real work, in both directions: **Taken from main, absent here.** - `ensureAudioGroupInertStyle` (#3278's review). An `<hf-audio-group>` is an unknown custom element, so it still takes a flex/grid slot and can open a line box — adding a group shifted authored layout. The helper and its `init.ts` call never came back to the branch, and this branch is what emits the element. - `#3383`'s ended-audio replay: `canSeekEndedMediaBackward` and its five siblings in `media.ts`, with all six tests. Not present here in any form. - `#3380`'s `asetpts=N/SR/TB` between `apad` and `atrim`. Also applied to `mixGroupMembers`, the group submix, which is new on this branch and so had the same bug in a path main's fix could not reach: delayed members padded then amix'd, where a group of four or more silently loses one. - `#3401`'s `displayNumber` thread. The header derives its row from the group-aware order and the undo label from ascending element keys, so once a group exists the same click said "Hide track 2" and recorded "Hide track 1". - `#3413`/`#3421`'s viewport handling — the popover's height cap and `inset()`, and `resolveFloatingPanelPosition` for the grouping dialog, which lives in a track header at the bottom of the window. - Two extractions this branch had inline and at exactly the 600-line cap: `useTimelineDeleteOps` and `editingModeSlice`. Bodies were identical. **Kept from the branch, against main.** Mute and solo are gone by deliberate breaking change (`remove mute and solo from tracks and groups`, `remove the group volume slider and level meter`), so eight files main still carries are deleted again, `PlayerControls` keeps no `previewIframeRef` (it existed only to feed `SoloBanner`), the group-levels branch comes out of main's new `previewMessageRouter`, and `STRIP_H` goes with the bus strip it sized. Main's `TimelineTrackPlainHeader.test.tsx` is rewritten against the control that actually exists — the visibility eye, withheld from an audible audio row and offered back once hidden, which is the only way out of `data-hidden`. **Unioned.** `TimelineFxPopover` — main's positioning, this branch's audition telemetry (`auditionPresetChain`, `storedChain`, `onAuditionTracked`); `SKILL.md` — main's #3416 "keep the carve group a voice group" beside this branch's bus section, with the canary paragraph dropped since the canaries no longer exist. Every port is mutation-checked. core 2508, studio 4460, lint 528, engine 1630, cli 2813, sdk 549, producer green; tsc, oxlint, oxfmt, fallow and the 600-line cap clean.
@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