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268
Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 Miguel Ángel
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1fca35b625 | chore: release v0.6.14 | ||
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Miguel Ángel
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4e0034f072 |
fix(studio): fix capture button silent failures and broken CLI seek (#904)
* fix(studio): fix capture button silent failures and broken CLI seek
The Capture button could silently fail with no user feedback due to
several compounding issues:
- The click handler's try-catch only covered the fetch call, leaving
waitForPendingDomEditSaves() and URL construction unprotected. Any
error there became an unhandled promise rejection with zero UI
feedback. Wrap the entire handler body in try-catch.
- No timeout on the fetch or save-queue drain, so a hung server or
stuck save queue caused the button to appear permanently broken.
Add a 30s AbortController timeout on the fetch and a 5s race
timeout on waitForPendingDomEditSaves.
- The CLI server's thumbnail seek used `__timeline` (singular) which
doesn't exist — the runtime registers `__timelines` (plural). Also
used `.seek()` instead of `.pause(t)` and didn't kick the GSAP
ticker. Align with the Vite adapter's working seek logic.
- The CLI server's getThumbnailBrowser and generateThumbnail catch
blocks swallowed all errors silently — Chrome launch failures and
screenshot errors were invisible. Add console.warn logging.
- Parse the JSON error body from the server so the toast shows the
actual message ("Chrome browser may not be available") instead of
just "Capture failed (500)".
Closes #902
* fix(cli): apply same seek fix to snapshot command, address review nits
- Fix snapshot.ts seek logic: same __timeline→__timelines + .pause(t)
+ gsap ticker kick fix as studioServer.ts (caught by Vai's review)
- Use typed Window shape in waitForFunction instead of (window as any)
- Use function-form page.evaluate for document.fonts?.ready
* fix(cli): force screenshot mode for thumbnail browser on Linux
Root cause: on Linux, acquireBrowser defaults to beginframe mode
(--enable-begin-frame-control) which makes page.screenshot() hang
indefinitely — beginframe mode expects CDP HeadlessExperimental.beginFrame
commands, not Puppeteer's Page.captureScreenshot.
Pass forceScreenshot: true and captureMode: "screenshot" so the
thumbnail browser always uses screenshot-compatible Chrome flags.
Reproduced on Linux devbox: thumbnail endpoint hung >30s with
beginframe flags; returns a valid PNG instantly in screenshot mode.
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Miguel ÁngelandClaude Sonnet 4.6
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883260aae3 |
chore: release v0.6.13
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> |
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Phuong Le
|
be33afb361 | fix(core): align sub-composition scoping across runtime and bundler (#897) | ||
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Miguel Ángel
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2355d505e1 | chore: release v0.6.12 | ||
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Miguel Ángel
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4212a28312 | chore: release v0.6.11 | ||
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Miguel Ángel
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d3c32a0b4d | chore: release v0.6.10 | ||
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terencecho
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a79d8acd7a |
fix: ship lottieReadiness + guard studio import.meta.env for non-Vite consumers (#861)
## Summary
Two small fixes that together make `@hyperframes/core` + `@hyperframes/studio` consumable from non-Vite hosts (Next.js / Turbopack, Node, etc.).
### 1. `core`: ship the missing `lottieReadiness` module
The `"./runtime/lottie-readiness"` subpath export in `@hyperframes/core` claims to ship at `./dist/runtime/adapters/lottieReadiness.js`, but that file is missing from the published 0.6.6 and 0.6.7 tarballs. Consumers that import the subpath — most notably `@hyperframes/studio`'s `Player.tsx` — fail to resolve the module and break downstream builds.
**Root cause:** `packages/core/tsconfig.json` excludes `src/runtime` (those files run in a browser context and are bundled separately into the IIFE artifact). Since nothing in the included tree imports `lottieReadiness.ts`, tsc never emits a compiled output, and the file silently goes missing from the publish.
**Fix:** `lottieReadiness.ts` is a pure helper — takes `unknown`, returns `boolean`, no DOM/`window` dependencies. It doesn't belong in `src/runtime/` in the first place; the runtime-exclude rule rightly caught it. Move it to `src/lottieReadiness.ts` so the standard library build picks it up.
The subpath export **name** stays `"./runtime/lottie-readiness"` — only the exports map's underlying file path changes — so existing consumers (studio) don't need any code change.
### 2. `studio`: guard `import.meta.env` for non-Vite hosts
`packages/studio/src/components/editor/manualEditingAvailability.ts` unconditionally reads `import.meta.env`. That's a Vite-only extension; in plain ESM hosts (Next.js / Turbopack, Node, jest in some configs) `import.meta` exists but `import.meta.env` is `undefined`. Reading any property off undefined throws at module evaluation time, so the studio fails to load the moment a non-Vite host imports anything from `@hyperframes/studio`.
Guarded the read so the module is loadable everywhere; outside Vite, every flag falls back to its declared default, preserving Vite behavior.
### Changes
**core:**
- `mv src/runtime/adapters/lottieReadiness.{ts,test.ts}` → `src/`
- Update `src/runtime/adapters/lottie.ts` re-export path
- Update `package.json` + `publishConfig.exports` to point at the new dist path (`./dist/lottieReadiness.{js,d.ts}`)
**studio:**
- One-line guard in `manualEditingAvailability.ts:30` with explanatory comment
## Test plan
- [x] `pnpm typecheck` (core, studio) — clean
- [x] `bun run build` (core) — `dist/lottieReadiness.{js,d.ts}` now present
- [x] `bunx vitest run` (core) — 862/862 passing
- [x] `bun run typecheck` (studio) — clean, resolves moved file via subpath export
- [ ] Publish 0.6.8 and verify the tarball contains `dist/lottieReadiness.js`
- [ ] Verify a non-Vite ESM consumer (e.g. a Next.js / Turbopack app) imports `@hyperframes/studio` without `import.meta.env` errors
🤖 Generated with [Claude Code](https://claude.com/claude-code)
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Miguel Ángel
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3336fddd41 |
fix(studio): handle full HTML doc sub-compositions in preview (#885)
## Summary - **Root cause**: `buildSubCompositionHtml` assumed all sub-compositions used `<template>` wrappers. Full HTML document blocks (like `north-korea-locked-down` and `nyc-paris-flight`) were nested as-is inside `<body>`, producing invalid HTML with nested `<html>` and `<head>` elements - **Effect**: the composition's `<style>` tags ended up misplaced inside `<body>`, and `<img src="assets/...">` paths failed to resolve when combined with the injected `<base>` tag — resulting in missing map images in the Studio sub-composition preview - **Fix**: detect full HTML documents and properly extract head styles/scripts and body content into separate sections, producing valid HTML where CSS lands in `<head>` and relative asset paths resolve correctly ## Test plan - [x] New unit test: full HTML document composition produces clean output without nested `<html>` in `<body>` - [x] Existing test: `<template>`-wrapped compositions still rewrite `../` asset paths correctly - [x] Visual verification: captured sub-composition preview frames before/after fix — maps now render correctly for both blocks - [x] Manual: open a project with `north-korea-locked-down` or `nyc-paris-flight` as a sub-composition in Studio, click on the sub-comp in the timeline → map should be visible |
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Miguel Ángel
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82c9b6b5ea | chore: release v0.6.9 | ||
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Phuong Le
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395cbaf3f5 | fix(studio): make optional file reads explicit (#883) | ||
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Miguel Ángel
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4b501762e4 | chore: release v0.6.8 | ||
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f84cc492de |
perf(engine): faster shader transitions via page-side WebGL compositing (#832)
* fix(cli): prefer puppeteer cache + numeric version sort (staff review) Two correctness fixes from PR #821 self-review: 1. Cache priority order. Previous order was hyperframes-managed cache → puppeteer cache. HF cache is pinned to CHROME_VERSION (131-era) which lags 17+ releases behind upstream; if a user separately installed a newer chrome-headless-shell via @puppeteer/browsers install, the CLI would silently hand engine the older HF-cache binary while engine's own resolveHeadlessShellPath would have picked the newer one. Flip the priority so puppeteer cache wins, matching engine semantics. 2. Numeric (not lexicographic) version sort. `readdirSync.sort().reverse()` over names like `linux-148.0.7778.97` and `linux-99.0.6533.123` would return `linux-99...` first because character '9' outranks '1'. Parse each name into integer segments and compare them numerically. Tests: add both-caches-populated and linux-148-beats-linux-99 cases. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * perf(engine): page-side compositing for shader transitions (opt-in spike) Add an opt-in `--page-side-compositing` flag (CLI) backed by a new engine config field `enablePageSideCompositing` and env var `HF_PAGE_SIDE_COMPOSITING`. When set, SDR shader-transition compositions skip the Node-side layered blend (the hf#677 chain) and instead run the shader inside Chrome via a page-side WebGL canvas; the engine then captures ONE opaque RGB frame per output frame via the existing streaming capture path. This is the strongest non-beginFrame perf lever for Mac users, who cannot take the beginFrame `~5×` path (Chromium structural limit, crbug.com/40656275). Stacks on top of the hf#677 1.95× baseline. Default OFF — existing fixture pins (byte-exact MP4 output) are preserved. Opt-in path is intentionally PSNR-pinned, not byte-equal (WebGL is f32; Node is f64). HDR content forces the existing layered path regardless. Implementation: - engine: new `EngineConfig.enablePageSideCompositing` (default false). - producer/fileServer: new `HF_PAGE_SIDE_COMPOSITING_STUB` early-page script injected into the served HTML head when the flag is on. - producer/renderOrchestrator: when the flag + no HDR + no png-sequence, route SDR transitions through the streaming path instead of the layered HDR stage. - shader-transitions: new `engineModePageComposite.ts` installs a fullscreen WebGL compositor overlay and wraps `window.__hf.seek` so each seek inside a transition window captures both scenes via the Chromium `drawElementImage` API to GL textures, runs the fragment shader, and displays the composited result on the overlay canvas. The engine takes one screenshot per frame and sees the composited overlay. - cli: new `--page-side-compositing` flag sets `HF_PAGE_SIDE_COMPOSITING=true` before producer load. - scripts/page-side-compositing-smoke: bundled-CLI smoke that renders a representative fixture with and without the flag, validates the canary strings are in the shipped bundles, and writes a wall-time pair. Determinism trade documented in the engine config doc-comment. The smoke script enforces the bundled-CLI validation discipline from prior perf work (see internal feedback note `validate_bundled_cli_not_dev_path`). Runtime requirement: Chromium's `CanvasDrawElement` feature (already enabled by the engine's `--enable-features=CanvasDrawElement` launch flag). When the runtime feature is unavailable, the page-side installer logs a warning and falls back to opacity-flip mode — the engine still takes the streaming path; the transition window degrades to a hard scene swap. Vance will validate on Mac Chrome where the feature is supported. Co-Authored-By: Vai <vai@heygen.com> * fix(shader-transitions): use html2canvas for page-side compositor capture The original drawElementImage approach fails in engine render mode because the virtual-time shim prevents Chromium from generating paint records for cloned elements. drawElementImage requires a cached paint record from the browser's compositor — clones created at capture time never receive one because (a) shimmed rAFs deadlock inside the seek wrapper, (b) original rAFs don't produce real paints under virtual-time control, and (c) layoutsubtree canvases don't apply CSS stylesheet rules to children. Switch scene capture to html2canvas (foreignObjectRendering: false), the same JS-based renderer already used by the preview-mode fallback path in capture.ts. html2canvas reads computed styles and renders via its own canvas drawing pipeline with no dependency on the browser paint cycle. Also fixes: - Engine seek must return the result so Puppeteer awaits async seek promises (frameCapture.ts). - GSAP opacity cache: compositor must restore scene opacity before seek, not after — GSAP caches inline values and skips re-writes. - Support check gates on WebGL availability, not drawElementImage. Perf: 15-scene shader-perf fixture (28s, 14 transitions, 30fps) Baseline (Node-side layered): 137s Page-side (html2canvas+WebGL): 33s → 4.1× speedup Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * refactor(shader-transitions): simplify review fixes for page-side compositor - Use uploadTexture (zeroes canvas backing store after upload) to prevent ~2.2GB transient memory pressure across 280 html2canvas calls per render - Add ignoreElements + stabilizeTransformedBoxShadows to html2canvas call, matching the preview-path capture.ts behavior - Parallelize from/to scene captures with Promise.all - Wrap post-capture render in try/finally so opacity is always restored - Fix WebGL context leak in isPageSideCompositingSupported probe - Remove dead ResolvedTransition.index field - Export stabilizeTransformedBoxShadows from capture.ts Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(producer): unify page-side compositing gating and Docker forwarding Addresses three issues from staff review: 1. ignoreElements filter stripped all in-scene canvases (Chart.js, D3, p5.js) — narrowed to data-no-capture only since the compositor canvas is a body sibling never in the scene subtree. 2. Docker mode silently dropped --page-side-compositing — thread pageSideCompositing through DockerRenderOptions/buildDockerRunArgs with regression tests. 3. Fragmented gating across 4 independent sites could disagree: - Stub injection gated only on cfg flag (leaked into HDR/alpha) - Probe-created fileServer never got the stub - needsAlpha (WebM/MOV) not excluded from the gate - WebGL-unavailable fallback claimed layered path would run but orchestrator had already disabled it Fix: compute stub injection at the same site as the layered-bypass decision (after hasHdrContent is known), using addPreHeadScript on the already-running fileServer. Single predicate now gates both decisions, including !needsAlpha. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * perf(engine): two-phase drawElementImage capture for page-side compositing Replace html2canvas with native drawElementImage for scene capture in the page-side compositor. drawElementImage reads from the browser's own paint cache, giving pixel-identical output to the preview path. The blocker was that cloned elements inside layoutsubtree canvases have no cached paint record under virtual time — the compositor only paints when explicitly triggered. Fix: split the seek+composite into two phases with an engine-forced paint between them. Phase 1 (seek wrapper, page-side): - GSAP seek positions the timeline - Clone FROM/TO scenes into visible layoutsubtree staging canvases - Set window.__hf_page_composite_pending flag Engine paint force (frameCapture.ts): - Detect pending flag after seek returns - Fire micro Page.captureScreenshot (1x1 clip) via CDP to force the browser compositor to paint all visible elements including staging canvas children Phase 2 (page.evaluate, page-side): - drawElementImage reads the now-valid paint records - Upload textures to WebGL, run shader, show GL overlay Key insight: staging canvases must be visible (not opacity:0) for the browser to paint their children. They sit at z-index:-9998, behind the main DOM and covered by the GL overlay during transitions. Perf: 15-scene fixture (28s, 14 transitions, 30fps): Baseline (Node-side layered): 137s html2canvas + WebGL: 33s (3.7×) drawElementImage + WebGL: 21s (6.6×) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * perf(engine): optimize two-phase compositor hot path - uploadTextureSource instead of uploadTexture: eliminates ~2.3GB of canvas buffer alloc/dealloc churn (persistent staging canvases don't need the one-shot zeroing behavior) - Fold hasPending check into seek page.evaluate: eliminates one CDP round-trip per frame (~700 unnecessary IPC calls on non-transition frames) - Fix renderShader error handling: on failure, leave source scenes visible as fallback instead of hiding both scenes + GL overlay (which produced black frames) - Move mutable state declarations above resolveComposite to prevent TDZ risk on refactor Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(engine): staff review — staging cleanup, pending flag, beginFrame guard - Clear staging canvas children when leaving transition window (prevents visible clone bleed-through on transparent compositions) - Clear __hf_page_composite_pending on all resolveComposite exit paths - Guard micro-screenshot paint force against beginFrame mode (CDP Page.captureScreenshot conflicts with beginFrame compositor control) - Update CLI flag description: document video/canvas limitation, remove stale PSNR claim Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * feat(engine): default-on page-side compositing for SDR shader transitions Page-side compositing is now enabled by default for SDR shader-transition renders without video content. The 6.6× speedup applies automatically — no flag needed. Auto-disables when: - HDR content detected - Alpha output (WebM/MOV/PNG-sequence) - Composition contains <video> elements (cloneNode loses playback state) - beginFrame capture mode (Linux headless) Use --no-page-side-compositing to force the Node-side layered path. Changes: - Engine config: enablePageSideCompositing defaults to true - CLI: flag default flipped to true; --no-page-side-compositing disables - Orchestrator: added composition.videos.length === 0 gate - Docker: forwards --no-page-side-compositing when explicitly disabled - Config tests updated for new default Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * feat(engine): support video elements on page-side compositing fast path Three-phase capture protocol lets shader transitions render video scenes without falling back to the slow Node-side layered pipeline: 1. Seek → compositor records transition metadata, sets pending flag 2. onBeforeCapture → video frame injector updates <img> replacements 3. prepare → cloneNode picks up current video frames, img.decode() awaits 4. micro-screenshot → forces browser to paint cloned elements 5. resolve → drawElementImage reads paint records, shader composites Key changes: - Remove `composition.videos.length === 0` gate from orchestrator - Split compositor resolve into prepare (clone) + resolve (shader) - Move onBeforeCapture before compositor prepare in frameCapture.ts - Await img.decode() on cloned data-URI images to prevent stale frames - Stop manipulating scene opacity in compositor (GL canvas overlay suffices) - Add gsap.set declaration for shader-transitions ambient types - Add video_missing_timing_attrs lint rule for <video> without id/data-start/data-end Performance: compositions with video now render at 7.5s (6 workers) instead of 2m38s on the layered path. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(core): auto-inject data-start on video/audio so frame extraction works without explicit attrs The timing compiler now injects data-start="0" on <video> and <audio> elements that lack it. This makes discoverMediaFromBrowser() find the element (it queries video[data-start]), so the frame extraction pipeline activates automatically. Videos "just work" without requiring authors to add data-start, data-end, or id attributes. Also removes the video_missing_timing_attrs lint rule — the compiler handles the missing attributes automatically, so the lint rule would only false-positive. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * feat(core): add data-hf-auto-start sentinel on auto-injected video timing Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * feat(producer): add discoverVideoVisibilityFromTimeline for runtime video discovery Seeks the GSAP timeline in Puppeteer to discover when each video's parent scene is visible (opacity > 0). Uses coarse sampling at 100ms steps followed by binary search refinement to frame-level precision (1/60s). Only processes videos with the data-hf-auto-start sentinel so author-specified timing is never overridden. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * feat(producer): integrate runtime video visibility discovery into probe stage Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(producer): trigger browser probe for auto-start videos, remove debug logging The probe stage was skipping browser launch when composition duration was already known, which meant discoverVideoVisibilityFromTimeline never ran. Now needsBrowser also checks for data-hf-auto-start sentinel in compiled HTML. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(scripts): use mkdtempSync for smoke test work directory Replaces hardcoded /tmp/hf-page-side-smoke with a unique temp directory via mkdtempSync to resolve CodeQL "insecure temporary file" alert. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * style: format smoke test script Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> Co-authored-by: Vai <vai@heygen.com> |
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Miguel Ángel
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4fd9520a90 |
feat(studio): per-composition render button in compositions tab (#874)
* feat(studio): add per-composition render button in compositions tab Thread composition path through the full render pipeline so individual compositions can be rendered independently from the studio UI. - Add download icon button on each comp card (visible on hover) - Accept `composition` field in POST /projects/:id/render - Pass composition as `entryFile` to the producer's createRenderJob - Make the Export button in the Renders panel composition-aware (renders the active composition instead of always index.html) * fix(studio): make composition render buttons always visible The hover-only opacity made them undiscoverable. * fix(studio): address PR review — CLI adapter, path guard, a11y, tests, settings sync - Wire `composition` → `entryFile` in CLI studio adapter (studioServer.ts) so `hyperframes preview` renders the correct composition, not always index.html - Add path-traversal guard: reject composition paths that resolve outside projectDir - Add `aria-label` to the icon-only render button for screen readers - Add 4 tests: forwarding, empty/missing → undefined, path-traversal → 400 - Persist render settings (format/quality/fps) to localStorage so comp card buttons use the same settings as the Export panel * refactor(studio): extract render settings persistence to own module Move getPersistedRenderSettings/persistRenderSettings out of RenderQueue.tsx into renderSettings.ts so code-splitting the component doesn't drag along the helper. |
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Miguel Ángel
|
9b23ccf665 |
feat(studio): html-backed motion panel (#873)
## Summary
Re-architects the studio motion panel to persist GSAP motion data directly in HTML element attributes instead of a `.hyperframes/studio-motion.json` JSON sidecar file. Same pattern as position/resize/rotation edits.
### Before
```
MotionPanel → commitStudioMotionManifestOptimistically()
→ writes .hyperframes/studio-motion.json
→ applyStudioMotionManifest(doc, manifest)
```
### After
```html
<div id="hero" data-hf-studio-motion='{"start":0.5,"duration":1,"ease":"power3.out","from":{"opacity":0,"y":40},"to":{"opacity":1,"y":0}}'>
```
```
MotionPanel → writeStudioMotionToElement(element, motion)
→ buildMotionPatches(element)
→ commitPositionPatchToHtml(selection, patches)
```
## What changed
- **studioMotionOps.ts** — Added `readStudioMotionFromElement()`, `writeStudioMotionToElement()`, `clearStudioMotionFromElement()` for attribute-based CRUD
- **studioMotion.ts** — Added `applyStudioMotionFromDom()` that reads motion from DOM attributes and builds GSAP timeline (kept `applyStudioMotionManifest` for render script compat)
- **manualEditsDom.ts** — Added `buildMotionPatches()` / `buildClearMotionPatches()`, integrated motion into `reapplyPositionEditsAfterSeek()`
- **useDomEditCommits.ts** — Rewrote `handleDomMotionCommit` / `handleDomMotionClear` to use HTML patching instead of manifest persistence
- **useManifestPersistence.ts** — Removed all motion manifest state (~200 lines): `studioMotionManifestRef`, `commitStudioMotionManifestOptimistically`, `applyStudioMotionToPreview`, motion SSE handler
- **App.tsx** — Reads motion from element attribute (`readStudioMotionFromElement`) instead of manifest ref
- **manualEditsRenderScript.ts** — Extended `studioPositionSeekReapplyRuntime` to rebuild GSAP motion timeline from `data-hf-studio-motion` attributes after each seek, including CustomEase support
- **htmlCompiler.ts** — Trigger seek-reapply script injection on `data-hf-studio-motion=` attributes
## Benefits
- No sidecar file — motion survives git, copy-paste, and manual HTML editing
- Undo/redo works via HTML source history (same as position edits)
- Renders correctly via CLI — seek-reapply script handles motion timeline rebuild
- Simpler architecture — one persistence path for all studio edits
## Test plan
- [x] `bun run build` passes
- [x] Pre-commit hooks pass (lint, format, typecheck)
- [ ] Set motion on element in Studio → `data-hf-studio-motion` attribute appears in HTML source
- [ ] Reload page → motion persists and plays correctly
- [ ] Clear motion → attribute removed, element returns to original state
- [ ] Undo/redo motion changes
- [ ] Render via CLI → motion visible in rendered video
- [ ] Seek animation → motion timeline re-syncs correctly
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Miguel Ángel
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e8e2e81730 | chore: release v0.6.7 | ||
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Miguel Ángel
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225010800a |
feat(studio): persist element positions in HTML, fix resize overlay drift and GSAP double-translation (#829)
* feat(studio): add pasteboard background to preview viewport Adds bg-neutral-800 to the preview viewport so the area outside the canvas is visually distinct from the composition content — consistent with professional video editors (Premiere, DaVinci, Figma). * feat(studio): pasteboard background and canvas outline around preview - NLEPreview: viewport gets bg-neutral-700 (#404040) as the pasteboard color surrounding the canvas — distinct from the app chrome (#0a0a0a) - Player wrapper: drop bg-black so the pasteboard shows around the canvas (loading overlays still cover the area with bg-black during load) - Player: set host background to transparent via inline style (overrides :host { background: #000 } in shadow DOM), and inject a style rule into the open shadow root so .hfp-container has overflow:visible and the canvas iframe gets a thin white ring + soft drop-shadow — making the canvas boundary legible against the pasteboard * feat(studio): disable manual positioning JSON by default, add toggle Manual edits were always stored in `.hyperframes/studio-manual-edits.json`, making it hard to share source without the sidecar file and easy to accidentally reposition elements via drag. Changes: - `enabled` field added to `StudioManualEditManifest` (defaults to `false` when absent — existing projects are unaffected until they opt in) - Drag handles, resize, and rotation handles are hidden when disabled - Layout X/Y/W/H/R fields in the Design panel are read-only when disabled - "Manual positioning" toggle added at the bottom of the Design panel, visible whether or not an element is selected - Toggle state is persisted to `.hyperframes/studio-manual-edits.json` so each project can opt in independently - `STUDIO_PREVIEW_MANUAL_EDITING_ENABLED` env flag still acts as a hard cap (env off → feature off regardless of project setting) * feat(studio): enable manual positioning by default (opt-out) * feat(studio): allow absolute elements to drag without toggle; gate JSON-backed drag behind toggle * feat(studio): persist positions directly to HTML; remove JSON sidecar and manual positioning toggle Replace the `.hyperframes/studio-manual-edits.json` sidecar with inline-style persistence baked directly into the HTML source. Drag/resize/rotation values are written as CSS custom properties (`--hf-studio-offset-x/y`, `--hf-studio-width/height`, `--hf-studio-rotation`) plus `translate`/`width`/`height`/`rotate` inline styles via `persistDomEditOperations` — no re-apply step needed on load. Key changes: - `sourcePatcher`: add `value: string | null` to `PatchOperation` — null removes the property/attribute from the HTML tag instead of setting it - `manualEditsDom`: add `build*Patches` / `buildClear*Patches` helpers that capture live element state into `PatchOperation[]` for HTML source writes; add `reapplyPositionEditsAfterSeek` (DOM-query-based seek hook, queries data-attribute markers) - `manualEdits.ts`: remove `applyStudioManualEditManifest` and all manifest target resolution; export `reapplyPositionEditsAfterSeek`; keep seek/play wrap infrastructure - `useManifestPersistence`: remove all JSON I/O — no disk read on load, no manifest state, no toggle state; `applyCurrentStudioManualEditsToPreview` now only installs seek hooks via `reapplyPositionEditsAfterSeek` - `useDomEditCommits`: replace `commitStudioManualEditManifestOptimistically` calls with direct DOM apply + `commitPositionPatchToHtml` (queued HTML patch write, skipRefresh) - `DomEditOverlay`: remove `manualEditsEnabled` prop; revert all `canMove || manualEditsEnabled` gates to just `canApplyManualOffset` — every draggable element is always draggable - `PropertyPanel`: remove `ManualPositioningToggle` component and all toggle props - `manualEditsParsing/manualEditsTypes`: remove manifest types, upsert functions, and `STUDIO_MANUAL_EDITS_PATH`; keep `finiteNumber`, `readStudioFileChangePath`, `roundRotationAngle`, and snapshot/CSS-property types * fix(studio): sync keyboard shortcut handler with main; fix keepPlaying seek assertions in test * fix(studio): strip GSAP-cached translate from transform on path offset apply * fix(studio): remove Reset edits button from design panel * feat(studio): wire reloadPreview into manifest persistence; drop stale group-selection refresh - Pass `reloadPreview` into `useManifestPersistence` so undo/redo reloads via the refresh-key path instead of directly touching the iframe. - Remove `refreshDomEditGroupSelectionsFromPreview` from commit handlers; HTML is now the source of truth so no stale-ref refresh is needed. - Add `manualEditsRenderScript` helper; export via studio-api and apply it in `htmlCompiler` during HTML compilation. * fix(studio): prevent root composition from being selected; correct overlay drift on resize - Guard `getDomLayerPatchTarget` against elements with `data-composition-id` so the root composition div is never returned as a visual selection target. - Apply the same guard to the raw `elementFromPoint` fallback in `getPreviewTargetFromPointer`, which was the actual escape path. - Thread `iframeRef` into gesture handler opts; after applying draft dimensions during resize, re-read the element BCR via `toOverlayRect` and update the overlay box position to compensate for visual drift on elements with centered transform-origin (e.g. GSAP scale tweens). * fix(studio): correct resize overlay for scaled elements; block invisible element selection - Resize: use BCR from `toOverlayRect` for both position and size after applying draft dimensions — GSAP scale makes visual size diverge from raw CSS size, BCR is the only accurate source during a gesture. - Click selection: add `isElementComputedVisible` guard to the `elementFromPoint` fallback so opacity-0 / autoAlpha-hidden elements cannot be selected even though the browser hit-test returns them. * fix(studio): reload preview on external file changes via SSE/HMR Share the app-level domEditSaveTimestampRef with useManifestPersistence so the SSE/HMR handler can suppress echoes from all studio saves (code tab, timeline, DOM edits), then call reloadPreview() for non-motion external changes that aren't echoes of our own saves. * fix(studio): suppress post-resize click to keep selection on resized element * fix(studio): serve registry blocks without index.html in preview Blocks ship as {id}.html + assets/ with no index.html. The preview route hard-coded index.html so these projects returned 404 and their assets (e.g. korea-map.png, map-nyc-paris.png) were never served. Add resolveProjectMainHtml() that falls back to {id}.html, thread the resolved compositionPath through transformPreviewHtml and injectStudioPreviewAugmentations, and update listProjects() in the vite adapter to surface block directories in the project list. * fix(render): preserve studio drag/resize/rotation offsets in rendered video Three issues caused studio-edited positions to be lost during rendering: 1. The seek-reapply script used setInterval to wrap window.__hf.seek, but Puppeteer's page.evaluate() calls don't yield the event loop for macrotasks — the interval never fired, so reapplyAll() never ran after GSAP seeks. Fix: use Object.defineProperty to trap writes to the seek property, wrapping it synchronously the instant the bridge assigns it. 2. MEDIA_VISUAL_STYLE_PROPERTIES (copied from <video> to proxy <img> during render) included "transform" but not "translate", "rotate", or "scale" — the CSS Transforms Level 2 individual properties used by studio drag/resize/rotation. The proxy was positioned at offsetLeft/ offsetTop without the translate offset. 3. getViewportMatrix (HDR compositor) only read cs.transform, missing individual transform properties entirely. Added composeIndividualTransforms to build the translate × rotate × scale matrix and compose it before the legacy transform matrix. * fix(studio): select elements with pointer-events: none in preview Compositions often set pointer-events: none on scenes, avatar wrappers, and decorative layers. elementsFromPoint() skips these elements entirely, making them unselectable in the Studio. Fix: temporarily inject a * { pointer-events: auto !important } stylesheet during hit-testing, then remove it immediately after. Also adds a pointer_events_none lint rule (info severity, visible with --verbose) so authors know which selectors may affect Studio selection. |
||
|
terencecho
|
9abf65ae5e |
fix(player): correct playback rate for direct-timeline and audio-clock paths (#849)
## Summary - **Direct-timeline path** (GSAP compositions with `window.__timelines`): The player drives these via `DirectTimelineAdapter`, bypassing postMessage entirely. Rate changes sent `set-playback-rate` to the iframe but had no receiver — GSAP's `timeScale()` was never called. Fix: add optional `timeScale?` to `DirectTimelineAdapter` and call `this._directTimelineAdapter?.timeScale?.(rate)` in `attributeChangedCallback`. GSAP timelines expose `timeScale` natively, no composition changes required. - **Audio-clock path** (compositions with audio): Three bugs caused `TransportClock` to always run at 1x when an audio element or WebAudio context drove the clock: 1. `schedulePlayback` was called without the `playbackRate` arg (defaulted to 1). 2. `onSetPlaybackRate` and `player.setPlaybackRate` didn't call `webAudio.setRate()`. 3. `TransportClock.attachAudioSource` divided by `this._rate` instead of `el.playbackRate`, cancelling the rate multiplier. - Adds 2 regression tests to `clock.test.ts` covering the corrected audio-clock formula. ## Test plan - [ ] Unit tests: `bun run --cwd packages/core test` — 861/861 pass - [ ] Browser verification (Playwright headless, GSAP direct-timeline composition): - 1x speed → ratio 0.972 ✓ - 2x speed → ratio 1.965 ✓ - 0.5x speed → ratio 0.490 ✓ 🤖 Generated with [Claude Code](https://claude.com/claude-code) |
||
|
Phuong Le
|
3aa5cf3ab3 | fix(core): update nested timed element visibility on seek (#823) | ||
|
terencecho
|
27ae55a5c7 | chore: release v0.6.6 (#818) | ||
|
terencechoandClaude Sonnet 4.6
|
c08e8b2322 |
fix(player): drive composition ticks from widget-frame rAF via postMessage (#805)
Chromium throttles requestAnimationFrame in deeply nested cross-origin iframes. In Claude desktop (Electron), the composition iframe's own rAF loop stalls, so GSAP is never seeked and animation freezes even when TransportClock.isPlaying() is true. The correct fix is to drive ticks from the widget-frame rAF, which lives one level up and is not subject to the same throttling. When play() takes the runtime bridge path (no direct timeline adapter), the player now starts a parent-frame rAF loop that sends "tick" postMessages to the composition iframe on every frame. The runtime's control bridge handles "tick" by calling seekTimelineAndAdapters(clock.now()) if the clock is playing — identical to what transportTick does on each rAF, just driven from outside. The composition iframe's own rAF loop is unchanged and keeps running normally in standard browsers. Seeking GSAP twice per frame is idempotent, so there is no regression on claude.ai or any other non-throttled environment. Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com> |
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|
Miguel Ángel
|
7703122a4d | chore: release v0.6.5 | ||
|
Miguel Ángel
|
0d7d38849c |
fix(studio): align preview fonts with render (#799)
## What Align Studio preview font handling with final render, and harden the transform hook against failures. ## Why Preview and render use different font handling. This bug changes text width and makes text layout look different between preview and final render. ## How - Add a `transformPreviewHtml` hook in `StudioApiAdapter` that adapters can implement to post-process preview HTML before Studio augments it - Use it in both the Vite adapter and the CLI studio server to inject the same deterministic `@font-face` rules that render uses - Wrap the hook in a try/catch so a failing transform (e.g. network error during Google Fonts fetch) degrades gracefully — the preview still loads with the original HTML ## Edge cases covered | Path | Covered | |------|---------| | Bundled HTML (adapter returns string) | ✓ | | Bundle returns null → reads index.html from disk | ✓ | | Bundle throws → catch-block fallback reads index.html | ✓ | | Sub-composition preview | ✓ | | Transform hook throws → graceful fallback to original HTML | ✓ | ## Test plan - [x] Unit tests added for all five paths above - [x] Manual testing performed Closes #797 |
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|
Miguel Ángel
|
9fe356be14 | chore: bump version to 0.6.4 | ||
|
Miguel Ángel
|
636db23197 | chore: bump version to 0.6.3 | ||
|
James
|
067bc722e3 |
fix(deps): align @types/node + esbuild + tsx across workspace
The Windows install failures (`ENOENT: failed copying files from cache to destination for package @types/node` / `esbuild`) are caused by bun creating workspace-scoped nested installs under `node_modules/@hyperframes/<pkg>/node_modules/...`. Those nested paths only exist because each workspace package pinned a different `@types/node` / `esbuild` major: - root: `@types/node ^25.0.10`, core: `^24.10.13`, cli/engine/producer: `^22` - core/cli: `esbuild ^0.25.x`, producer: `^0.27.2` Each major-version gap forces bun to install a workspace-scoped copy in a deep `node_modules/@hyperframes/<pkg>/node_modules/<dep>/node_modules/...` tree that bun can't reliably materialize on Windows GHA runners. Aligning versions lets bun dedup to a single root-hoisted install per dep, and the nested workspace block disappears from `bun.lock` entirely. ## Alignment - `@types/node` → `^25.0.10` across root, core, cli, engine, producer - `esbuild` → `^0.25.12` across cli, core, producer - `tsx` → `^4.21.0` across producer (matches root + core) ## Source-level v25 compat (already in this PR) @types/node v25 declares `File` as an interface (not a class) and exposes a conditional global where `FormData.entries()` narrows to `[string, string]` when an `onmessage` global is in scope. `packages/core/src/studio-api/routes/files.ts`'s `value instanceof File` check was relying on the v24 class declaration — already cast the iterator to `Iterable<[string, FileLike | string]>` in the prior commit. Two more v25 source fixes here: - `packages/cli/src/commands/init.ts` - `packages/cli/src/whisper/normalize.ts` `Dirent.path` was removed in @types/node v25 (deprecated alias for `parentPath` since Node 20.12). Drop the `?? e.path` fallback. ## Verification Both install layouts now build clean end-to-end: - `bun install` (isolated, default): full build green, 853 core tests pass, typecheck green across all 7 packages - `bun install --linker=hoisted` (Windows CI): same result - `bun.lock` no longer contains any `@hyperframes/<pkg>/<dep>` nested workspace entries — 70+ lines of nested install blocks gone |
||
|
James
|
8348e19fd9 |
fix(ci): switch Windows install to hoisted linker; narrow FormData iter
Pushing further to actually get Windows render verification green, not just work around it. ## What's wrong on Windows Bun 1.3's default `isolated` linker creates nested workspace junctions under `packages/*/node_modules/` on Windows GHA runners. Those junctions don't materialize reliably — Node's `realpathSync` returns `EPERM` on stat, and ESM resolution returns `ERR_MODULE_NOT_FOUND`. Every Windows build since PR #748 has tripped this in one of three places: - `packages/producer/build.mjs` importing `esbuild` - `packages/producer/scripts/generate-font-data.ts` reading `@fontsource/*` - `packages/producer` running `tsc` to emit `.d.ts`s Long-running bun bugs: oven-sh/bun#23615, #18354, #10146. ## Fix **1. `--linker=hoisted` for the Windows install step** (workflow change, Windows only). Hoisted layout puts deps as real directories at the workspace root + workspace package node_modules. No junctions, no Windows-specific path quirks. Linux CI keeps the default isolated linker; the lockfile is linker-agnostic so `--frozen-lockfile` is still valid. **2. Source-level FormData narrowing in `packages/core/src/studio-api/routes/files.ts`** (needed because the hoisted layout exposes a `@types/node@25` typecheck issue that the isolated layout hides). With v25 + an `onmessage` global in scope, the ambient `FormData.entries()` infers `[string, string]` instead of `[string, File | string]`, so the `value instanceof File` check breaks at `TS2358`. Cast the iterator to a `[string, FileLike | string]` shape and narrow via `typeof value === "string"`. Identical runtime behavior; works under both v24 (isolated layout, what Linux CI sees) and v25 (hoisted, what Windows CI sees with this change). ## Verification - `bun install --frozen-lockfile` (isolated, default): full build green - `bun install --frozen-lockfile --linker=hoisted`: full build green, core typecheck passes, `@hyperframes/core` 853 tests pass - Format/lint clean on both layouts |
||
|
James
|
c8a3e5fc4d |
fix(ci): unbreak format check on main + skip cli build:fonts when present
Two narrow fixes pulled out of a larger Windows-CI investigation: ## 1. Format check (`oxfmt`) `packages/core/package.json` and `packages/shader-transitions/package.json` had their `publishConfig` keys reordered to a non-canonical order by the v0.6.1 release commit (`82fd2967`). Releases push directly to main without going through PR CI, so the drift wasn't caught and `bun run format:check` has been failing on every push since. Fix: re-run `oxfmt`. ## 2. `@hyperframes/cli` `build:fonts` skip-when-present `packages/cli`'s `build:fonts` script regenerated `packages/producer/src/services/fontData.generated.ts` unconditionally on every cli build. The script reads `@fontsource/*` packages via `require.resolve(...)`, which walks `packages/producer/node_modules/@fontsource/*` junctions — these trip `EPERM: operation not permitted, stat` on Windows GHA runners because of long-running bun-on-Windows workspace junction bugs (see oven-sh/bun#23615, #18354, #10146). `fontData.generated.ts` is committed to git, so the regeneration is only needed when fonts actually change. Match the skip-when-present pattern already in `@hyperframes/producer`'s own `build:fonts`. Doesn't fix the Windows render verification end-to-end (the producer build itself still trips junction issues — being tackled separately in #765), but at least stops `cli build:fonts` from being its own failure point on Windows. |
||
|
Miguel ÁngelandClaude Opus 4.6
|
86c5fd28e8 |
chore: release v0.6.2
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> |
||
|
Miguel Ángel
|
ac671bdf5c |
feat(core): add TypeGPU/WebGPU runtime adapter (#755)
* feat(core): add TypeGPU/WebGPU runtime adapter
Adds a deterministic seek adapter for compositions that render with
TypeGPU or raw WebGPU. Follows the same push+poll pattern as the
Three.js adapter:
- Sets `window.__hfTypegpuTime` on every seek so render loops can
poll it instead of `performance.now()`.
- Dispatches a `"hf-seek"` CustomEvent on `window` so compositions
can imperatively re-render a single frame at the new seek position.
Compositions listen for the event and update their time uniform:
```js
window.addEventListener("hf-seek", (e) => render(e.detail.time));
```
Works with TypeGPU (docs.swmansion.com/TypeGPU) and raw WebGPU alike.
No assumptions are made about pipeline construction — multiple canvases
or renderers are supported by sharing the same event.
- 9 unit tests, all pass
- wired in init.ts adapter array
- `__hfTypegpuTime` declared in window.d.ts
* fix(core): deduplicate hf-seek dispatch across GPU adapters
Both three and typegpu adapters previously dispatched the same
"hf-seek" CustomEvent independently, causing any composition that
registered a listener to receive two events per seek tick — doubling
per-scrub GPU work even though the renders are idempotent.
Fix: extract a shared `dispatchSeekEvent` helper (seek-dispatch.ts)
that deduplicates by exact float equality within the same synchronous
call stack. Both adapters now call this helper instead of dispatching
directly.
Also adds:
- `resetSeekDispatchState()` export for test isolation
- `beforeEach` reset in three.test.ts and typegpu.test.ts
- New typegpu test: "duplicate seek to same time fires event only once"
- Docstring additions to typegpu.ts: render-mode determinism contract
(await device.queue.onSubmittedWorkDone()) and navigator.gpu feature
detection guidance for composition authors
* feat(core): video-texture render compat + TypeGPU skill
Adds the missing pieces for video-backed WebGPU effects in render mode:
- `video-texture-compat.ts`: monkey-patches `GPUQueue.copyExternalImageToTexture`
to detect the engine's injected `<img class="__render_frame__">` siblings and
transparently substitute them for `<video>` sources. Headless Chrome can't
supply decoded video frames to WebGPU, but the engine's pre-extracted frame
images work. Falls through to the original path in preview mode.
- `patchVideoTextureCompat()` wired in init.ts after adapter array creation.
- `skills/typegpu/SKILL.md`: full authoring guide for TypeGPU/WebGPU compositions
covering contract, timeline registration, video-backed effects, frosted blur
via downsample pass, WGSL patterns, and deterministic rendering.
* test(producer): add typegpu-adapter regression test
Self-contained WebGPU composition with:
- Procedural gradient background (no video dependency)
- Animated ring driven by hf-seek time uniform
- Pulsing center glow
- Two GSAP-driven captions testing adapter sync
Verifies the TypeGPU adapter's hf-seek → WebGPU render pipeline
produces deterministic frames. workers: 1 for consistency.
Note: output.mp4 baseline needs to be generated in CI — the local
Docker image can't launch Chrome (ARM/x86 mismatch on Mac).
|
||
|
Miguel ÁngelandClaude Opus 4.6
|
82fd2967c4 |
chore: release v0.6.1
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> |
||
|
Miguel Ángel
|
e25a3b3a4b | chore: release v0.6.0 | ||
|
|
38efe168e2 |
refactor(studio): contexts, PropertyPanel split, duration fix, perf (#748)
* feat(studio): add manual DOM editing inspector (#466) * fix: stabilize studio preview and runtime sync * fix: pass selector through timeline thumbnails * feat: add studio timeline editing * fix: disambiguate timeline edit targets * fix: stop timeline auto-scroll in fit mode * feat: use percentage-based timeline zoom * fix: sync timeline playhead on zoom changes * fix: reset timeline scroll when returning to fit * feat(studio): add manual DOM editing inspector * docs: update studio manual dom editing guide * feat(studio): add image asset picker for fills * feat(studio): add inline image uploads for fills * fix(studio): use real file input for image fill uploads * fix(studio): restore toast plumbing after rebase * fix(studio): explain in-app upload limitation * fix(studio): reuse asset-tab upload pattern in fills * feat(studio): refine manual design inspector * fix(studio): polish manual design inspector * fix(studio): keep color picker in viewport * fix(studio): clarify color picker selection * docs: update manual DOM editing guide * fix(studio): keep gradient color picker open * fix(studio): scope text color to text layers * fix(studio): add agent fallback for immovable layers * fix(studio): address manual editing review feedback * fix(studio): make local font selection reliable * fix(studio): improve dom picking and thumbnails * fix(studio): copy absolute paths in agent prompts * fix(studio): prevent timeline track cutoff * fix: copy Studio agent prompts in Safari * fix(studio): hold canvas movement from inspector * feat(studio): add persistent undo redo (#537) Studio manual editing and timeline editing mutate project files directly, but those edits had no reliable undo/redo path. Before releasing manual editing, users need a way to recover from visual property changes, source-editor saves, timeline moves/resizes/deletes, and timeline asset drops. The history also needs to survive a page refresh. A refresh should not erase the only way back from a bad manual edit. - Adds a persistent per-project edit-history model for file snapshots. - Stores undo/redo stacks in IndexedDB so history survives Studio refreshes. - Records source editor saves, manual DOM edits, and timeline mutations. - Adds toolbar undo/redo buttons with standard keyboard shortcuts: `Cmd/Ctrl+Z`, `Cmd/Ctrl+Shift+Z`, and `Ctrl+Y`. - Validates current file hashes before applying undo/redo so external file changes do not silently overwrite newer content. - Keeps history available in memory if IndexedDB persistence fails during a session. - Adds focused unit coverage for the pure history model, storage adapter, controller/hook behavior, and project-file save helper. Studio previously treated every editor mutation as an immediate file write. Manual DOM editing, timeline updates, and source-editor saves each had separate write paths, so there was no common transaction boundary where Studio could capture the file contents before and after an edit. Undo/redo needed to sit above those write paths as a file-level transaction system: capture changed files before saving, write the new contents, persist the history entry by project, then apply undo/redo only when the current file content still matches the expected snapshot. - `bun --filter @hyperframes/studio test src/utils/editHistory.test.ts src/utils/editHistoryStorage.test.ts src/hooks/usePersistentEditHistory.test.ts src/utils/studioFileHistory.test.ts` -> 4 files pass, 15 tests pass - `bun --filter @hyperframes/studio test` -> 26 files pass, 289 tests pass - `bun --filter @hyperframes/studio typecheck` - `bunx oxlint packages/studio/src/App.tsx packages/studio/src/icons/SystemIcons.tsx packages/studio/src/hooks/usePersistentEditHistory.ts packages/studio/src/hooks/usePersistentEditHistory.test.ts packages/studio/src/utils/editHistory.ts packages/studio/src/utils/editHistory.test.ts packages/studio/src/utils/editHistoryStorage.ts packages/studio/src/utils/editHistoryStorage.test.ts packages/studio/src/utils/studioFileHistory.ts packages/studio/src/utils/studioFileHistory.test.ts` -> 0 warnings, 0 errors - `bunx oxfmt --check packages/studio/src/App.tsx packages/studio/src/icons/SystemIcons.tsx packages/studio/src/hooks/usePersistentEditHistory.ts packages/studio/src/hooks/usePersistentEditHistory.test.ts packages/studio/src/utils/editHistory.ts packages/studio/src/utils/editHistory.test.ts packages/studio/src/utils/editHistoryStorage.ts packages/studio/src/utils/editHistoryStorage.test.ts packages/studio/src/utils/studioFileHistory.ts packages/studio/src/utils/studioFileHistory.test.ts` - `git diff --check` - `bun run --filter @hyperframes/core build:hyperframes-runtime` before commit hook, because the clean worktree needed the ignored runtime-inline artifact for typecheck - Lefthook pre-commit -> lint, format, typecheck pass - Lefthook commit-msg -> commitlint pass - Started Studio locally at `http://127.0.0.1:5190/#project/undo-redo-sample`. - Used `agent-browser` to select a preview element in the Inspector and change `#hero-card` from `left: 220px` to `left: 260px`. - Refreshed Studio and verified Undo stayed enabled. - Clicked Undo and verified the project file returned to `left: 220px`; clicked Redo and verified the inline `left: 260px` returned. - Used `agent-browser` to drag the `side-card` timeline clip, refreshed Studio, then verified Undo restored the previous timeline attributes and Redo reapplied the timeline move. - Recorded the tested undo/redo flow with `agent-browser`: `qa-artifacts/studio-undo-redo-2026-04-28/studio-undo-redo-flow.webm`. - Local screenshots and recordings are kept under `qa-artifacts/studio-undo-redo-2026-04-28/` and are intentionally not committed. - The scratch Studio project used for browser proof is local-only under `packages/studio/data/projects/undo-redo-sample/` and is intentionally not committed. - The PR intentionally excludes the earlier PRD/TDD planning notes under `docs/superpowers/`; those remain local-only per request. * fix: align Studio capture with preview (#595) Studio frame capture could fail for projects mounted outside the repo when the project id came from an encoded hash route. A project like `Notion Showcase` loaded as `#project/Notion%20Showcase`, but the capture URL encoded that already-encoded value again, producing `/api/projects/Notion%2520Showcase/...` and a 404. While validating the fix by seeking through the preview, capture also diverged from the visible player for nested compositions because the thumbnail route sought raw timelines instead of the same player seek path used by Studio preview. - Decodes project ids when reading Studio `#project/...` routes and centralizes project hash/API path construction. - Keeps API URLs encoded exactly once, including project names with spaces, literal `%`, reserved characters, and unicode. - Updates Studio thumbnail capture to prefer `window.__player.seek(t)` and only fall back to raw timeline seeking for standalone pages. - Preserves explicit `t=0` thumbnail requests instead of falling back to `0.5` seconds. - Adds preview-regression CI coverage for Studio routing, frame capture URL construction, thumbnail seeking, and core thumbnail seek parsing. Studio treated the hash route segment as the canonical project id even when the browser had already percent-encoded it. `buildFrameCaptureUrl` then encoded that string again, so a decoded project directory name and the capture API path no longer matched. The preview/capture mismatch was a separate seek-path issue: the visible Studio preview seeks through the HyperFrames player, which maps global time into nested composition time. The capture route bypassed that layer and paused all registered timelines at the same global time. The zero-second capture case came from parsing `t` with a truthiness fallback, so `parseFloat("0") || 0.5` became `0.5`. - `bun run --cwd packages/studio test -- vite.thumbnail.test.ts src/utils/projectRouting.test.ts src/utils/frameCapture.test.ts` - `bun run --cwd packages/core test -- src/studio-api/routes/thumbnail.test.ts` - `bunx oxfmt --check .github/workflows/preview-regression.yml packages/studio/vite.thumbnail.ts packages/studio/vite.thumbnail.test.ts packages/studio/vite.config.ts packages/studio/src/utils/projectRouting.ts packages/studio/src/utils/projectRouting.test.ts packages/studio/src/utils/frameCapture.ts packages/studio/src/App.tsx packages/core/src/studio-api/routes/thumbnail.ts packages/core/src/studio-api/routes/thumbnail.test.ts` - `bunx oxlint .github/workflows/preview-regression.yml packages/studio/vite.thumbnail.ts packages/studio/vite.thumbnail.test.ts packages/studio/vite.config.ts packages/studio/src/utils/projectRouting.ts packages/studio/src/utils/projectRouting.test.ts packages/studio/src/utils/frameCapture.ts packages/studio/src/App.tsx packages/core/src/studio-api/routes/thumbnail.ts packages/core/src/studio-api/routes/thumbnail.test.ts` - `bun run --cwd packages/studio typecheck` - `bun run --cwd packages/core build:hyperframes-runtime` - `bun run --cwd packages/core typecheck` - `git diff --check` Pre-commit also reran lint, format, and typecheck successfully for the committed files. Using `agent-browser`, I mounted `/Users/miguel07code/Downloads/Notion Showcase` into Studio's project data and opened: ```text http://127.0.0.1:5197/#project/Notion%20Showcase ``` Before the fix, Capture requested `/api/projects/Notion%2520Showcase/thumbnail/index.html?...` and Studio showed `Capture failed`. After the fix, I sought the preview to `0s`, `2s`, `10s`, and `18s`, captured each frame, and compared the visible preview crop against the capture output. The capture URLs all used `Notion%20Showcase`, not `Notion%2520Showcase`, and no failure toast appeared. Mean pixel diffs for preview vs capture were: - `0s`: `0.0` - `2s`: `0.8641` - `10s`: `0.3496` - `18s`: `0.2309` The small non-zero diffs are raster/antialias-level differences after resizing the capture to the preview crop dimensions. - Browser screenshots, comparison sheets, network logs, and the `agent-browser` recording are local-only under `qa-artifacts/capture-button/` and are not committed. - The local Notion Showcase project mount is an ignored symlink under `packages/studio/data/projects/` and is not committed. - Thumbnail cache versions were bumped so stale captures generated with the old seek behavior are not reused. * feat: persist studio manual edits via manifest * fix(studio): stabilize manual edit manifest rendering * fix(studio): allow master canvas layer selection * fix(studio): scale master edits in source coordinates * fix(studio): reapply manual edits during playback * fix(studio): keep rotation edit base stable * feat(studio): highlight hovered canvas target * fix(studio): drag hovered canvas targets immediately * fix(studio): rotate manual edits around center * fix(studio): keep rotate handle aligned while dragging * fix(studio): allow small rotation adjustments * fix(studio): match rotate handle size to resize handle * fix(studio): connect rotate handle line to selection * feat(studio): reset selected manual edits * fix(studio): route inspector geometry through manual edits * feat: add studio group repositioning * fix: preserve studio group selections * fix: seed additive studio selection groups * fix: select studio groups on pointerdown * fix: harden studio group overlay events * fix: address studio manual edit review feedback * fix: apply nested manual edits in drilled previews * fix: commit drag offsets from gesture math * fix: persist manual preview edits on refresh * fix: harden manual edit refresh apply * fix: share manual edit render runtime * chore: release v0.5.0-alpha.15 * feat(core): add studio animation preview APIs * feat(studio): add alpha editor layer inspector * chore: release v0.6.0-alpha.1 * feat(studio): enable inspector panels by default * fix(studio): keep motion panel opt-in * chore: release v0.6.0-alpha.2 * feat: auto-open timeline clip layers * feat: show composition loading in studio * feat: disable Studio timeline while composition loads * chore: ignore .claude directory * chore: release v0.6.0-alpha.3 * feat(studio): simplify inspector selection ux * fix(studio): keep notion preview playback moving * fix(studio): handle raster inspector clicks * fix(studio): stale selection, rotation control, design panel polish Fixes and improvements based on power-user testing feedback: 1. Fix stale selection after style edits — handleDomStyleCommit now calls refreshDomEditSelectionFromPreview after persisting, matching every other commit handler. Without this, the PropertyPanel showed frozen computedStyles after color/radius/shadow edits, making it look like editing "didn't work." Also adds error handling around the persist call. 2. Add rotation field to the Design panel Layout section — reads the current rotation angle from the manual edit manifest and commits via the existing handleDomRotationCommit handler. 3. Enable motion panel by default — STUDIO_MOTION_PANEL_ENABLED now defaults to true so the Motion tab is discoverable without env vars. 4. Color controls only when element has color — fill color section now only shows when the element has an explicit non-transparent background-color. Text color shows only when the element has a color style. Prevents showing color pickers on elements where color edits have no visible effect. 5. Exclude canvas from selection — added "canvas" to DOM_LAYER_IGNORED_TAGS so canvas elements are not selectable in the preview or listed in the layer panel. 6. Multi-selection feedback — shows "N elements selected" with guidance instead of the generic empty state when multiple elements are selected. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(studio): prevent browser launch timeout from crashing dev server The shared Puppeteer browser pool in getSharedBrowser() could throw a 30s TimeoutError during launch. This error propagated as an uncaught rejection and killed the vite process, even though generateThumbnail had its own try/catch — the browser launch promise rejected outside that scope. Now getSharedBrowser itself catches launch failures and returns null, so thumbnails degrade gracefully instead of crashing. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(studio): revert motion panel default to false Motion panel stays opt-in via env var per product direction. Only the Design panel is enabled by default. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(studio): prevent read-only property crash in manual edit wrappers The seek/play/applyAfter wrapper functions in manualEdits.ts crashed with "Cannot set property X which has only a getter" when the player or timeline objects define seek/play as getter-only properties. This prevented ALL manual edits (position, rotation, size) from persisting to disk — the error thrown during applyCurrentStudioManualEditsToPreview aborted the save queue. Wrapped all three property assignments in try/catch so wrapping gracefully degrades when the target object is non-configurable. Verified: position edit (X=42px) now persists to .hyperframes/studio-manual-edits.json and survives page refresh. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix: alpha preview e2e fixes — exports, init templates, EPIPE crash Three bugs found via automated e2e testing of the v0.6.0-alpha preview: 1. core: add missing package.json export specifiers for studio-api/manual-edits-render-script and studio-api/studio-motion-render-script — the alpha.3 npm publish failed because the studio build could not resolve these sub-paths. 2. cli: fix init --example creating empty projects — tsup leaves empty template directories in dist/ during the build, causing existsSync(templateDir) to return true and skip the remote fetch fallback. Now checks for index.html inside the dir instead. 3. engine: fix unhandled EPIPE crash in streaming encoder — ffmpeg stdin/stdout had no error handlers, so a write after the ffmpeg process exits throws an uncaught error that crashes the process. Verified with 8 consecutive e2e iterations (424 test runs, 0 flaky). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(studio): thumbnail crash, feature defaults, multi-select UX, fps selector Power-user audit fixes for the alpha studio: - vite.config.ts: wrap thumbnail generation in try/catch so Puppeteer TimeoutError doesn't crash the entire vite dev server as an uncaught rejection. Close the page on error to prevent browser session leaks. - manualEditingAvailability.ts: enable motion panel and manual canvas drag editing by default (were both false, undiscoverable without knowing the env vars). - PropertyPanel.tsx: show "N elements selected" feedback when multiple elements are selected instead of the generic "Select an element" empty state. - RenderQueue.tsx + App.tsx: add FPS selector (24/30/60) to the render export bar instead of hardcoding 30fps. Pass the user's choice through to startRender. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * chore: release v0.6.0-alpha.4 * fix(runtime): update clock duration when root timeline is late-bound Compositions with external sub-compositions (like apple-presentation with 7 slides) load child compositions via fetch(). The root GSAP timeline is only bound after all external compositions finish loading, but the TransportClock duration was only set during initial setup. When bindRootTimelineIfAvailable runs after the external compositions load, it captures the root timeline but never updates the clock. player.getDuration() continues returning 0, so the player's probe interval never fires the 'ready' event, and the Studio shows "Loading composition" indefinitely. Now bindRootTimelineIfAvailable updates clock.setDuration when the root timeline is late-bound. Guarded with try/catch for the early call site where clock is not yet initialized (temporal dead zone). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(studio): block element selection while composition is loading Prevent users from selecting elements in the preview while the composition is still loading (showing "Loading composition" overlay). Selection and hover highlighting are suppressed until the player fires the ready event. Also reverts motion panel and manual drag editing defaults to false — these were accidentally set to true during the PR #693 merge. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * chore: release v0.6.0-alpha.5 * chore: release v0.6.0-alpha.6 * fix(runtime): remove per-tick timeline.pause() that causes audio stutter The seekRuntimeTimeline helper added timeline.pause() before every totalTime() seek. During transport-driven playback, this runs 60 times per second, causing GSAP to cascade pause events to media elements on every frame. The result: audio plays/stops/plays/stops in a stutter pattern. The captured root timeline is already paused once in player.play() — the TransportClock drives it via totalTime(t) which keeps it paused. The extra per-tick pause() was redundant for the root timeline but actively harmful for media sync. Fix: restore the original inline seek for the captured timeline (totalTime without pause), keep seekRuntimeTimeline with pause() only for standalone child timelines where explicit pause control is needed. Also fixes rebase artifact: missing PropertyPanel props in App.tsx. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * chore: release v0.6.0-alpha.7 * fix(studio): restore text field handlers lost in rebase Restores handleDomAddTextField and handleDomRemoveTextField that were dropped when resolving App.tsx conflicts during the main→next rebase. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * chore: release v0.6.0-alpha.8 * fix(runtime): comprehensive audio stutter fix Three changes that together caused audio play/stop/play/stop stutter during transport-driven playback: 1. seekRuntimeTimeline called timeline.pause() before every totalTime() seek, 60x per second. GSAP cascades pause to media elements on every frame. Fix: restore original inline seek for the captured timeline (totalTime without pause). The timeline is already paused once in player.play(). seekRuntimeTimeline with pause() remains only for standalone child timelines. 2. player.play() removed the !tl guard, allowing play without a captured timeline. But getSafeTimelineDurationSeconds(null) returns 0, so the clock has no duration → immediately reaches end → stops → restarts. Fix: when no timeline provides duration, fall back to the root composition element's data-duration attribute. 3. Audio source attachment added networkState guard that could cause the clock to flicker between audio-source and monotonic timing on transient media states. Fix: keep !rawEl.error guard (prevents errored audio from freezing the clock) but drop the networkState check. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(runtime): skip drift corrections on playing video elements Seeking a playing video resets the browser's decoder pipeline, causing a ~150ms freeze while it re-buffers. During that freeze the monotonic clock advances, drift grows, and strict sync fires another seek — creating a perpetual stutter loop (176 seek events / 8s observed on the apple-presentation composition). Skip strict and force drift corrections for playing video elements; only hard sync (>0.5s catastrophic drift) warrants the decoder-reset cost. Audio elements are unaffected and retain the full correction tiers. Also propagate the asset-loading overlay state to the timeline so controls are disabled during "Preparing preview assets", matching the existing behavior for the initial composition loading overlay. * chore: release v0.6.0-alpha.9 * feat(studio): consolidate keyboard shortcuts into single handler Move all window-level keyboard shortcuts from 4 separate files into one `handleAppKeyDown` listener in App.tsx: - Shift+T: toggle timeline (was App.tsx, separate useMountEffect) - Cmd/Ctrl+Z: undo (was App.tsx, separate useEffect) - Cmd/Ctrl+Shift+Z: redo (was App.tsx, separate useEffect) - Cmd/Ctrl+1: sidebar Compositions tab (was LeftSidebar.tsx) - Cmd/Ctrl+2: sidebar Assets tab (was LeftSidebar.tsx) - Delete/Backspace: remove selected element (was Timeline.tsx) LeftSidebar exposes a ref handle for tab switching. Timeline watches selectedElement becoming null to clean up popover/range UI state. History hotkey kept as named function for iframe forwarding. Playback shortcuts (Space, J/K/L, arrows) and caption nudge remain in their component hooks — tightly coupled to component state. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(studio): sidebar tab overflow + hot-reload double-refresh 1. Sidebar tabs: use equal 1fr columns, shorter "Comps" label, truncate on overflow, tighter padding. Fixes tabs clipping outside the rounded pill at narrow sidebar widths. 2. Hot reload: set domEditSaveTimestampRef before every save-then-refresh path (source editor, timeline move/resize/delete, asset drop). The file-change watcher already checks this timestamp and suppresses echoed events — but source editor saves and timeline operations weren't setting it, causing a double refreshKey increment that could leave the player in a non-playable state. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(studio): delete key removes preview-selected elements The consolidated keyboard handler only checked selectedElementId (timeline clips). When a user selected a child element in the preview via the inspector, selectedElementId was null because the element didn't correspond to a top-level timeline clip, so Delete/Backspace did nothing. Add handleDomEditElementDelete that removes the element referenced by the current domEditSelection via the remove-element mutation API. The Delete key handler now falls through from timeline selection to DOM edit selection. * fix(studio): remove unused deleteInFlightRef from Timeline Leftover from moving Delete handling to the consolidated keyboard handler in App.tsx. Also suppress pre-existing exhaustive-deps warning on the intentional every-render selection-change watcher. * fix(studio): forward all keyboard shortcuts to preview iframe The consolidated handleAppKeyDown was only added to the parent window. When focus was inside the preview iframe (after clicking an element), keydown events didn't reach the parent, so Delete and other shortcuts didn't fire. Replace the per-function iframe forwarding (handleTimelineToggleHotkey only) with the full app-level handler via a ref-stable wrapper. All app shortcuts (Delete, Undo/Redo, Shift+T, Cmd+1/2) now work from within the preview iframe. * fix(core): search inside <template> content when removing elements linkedom's document.querySelectorAll does not traverse <template> content. Elements in template-based compositions (like .title-word, .bullet-text) were invisible to the removal logic, so delete returned changed: false and the element survived the reload. Fall back to template.querySelectorAll when the document-level query returns no matches. Uses template.querySelectorAll directly (not template.content.querySelectorAll) because removing from the content DocumentFragment doesn't update the serialized output. * fix(studio): suppress loading overlay on hot-reload Only show the composition loading overlay on the first iframe load. Hot-reloads (source editor save, timeline edits, element delete) no longer flash the full-screen loading state. * fix(studio): reorder design panel, fix stroke height, rename Blending - Move Text section to the top of the panel (before Layout) - Remove Selection Colors section - Rename "Blending" to "Transparency" - Fix stroke Width/Style height mismatch by making SelectField use inline label layout matching MetricField * fix(studio): prevent panel scroll when wheel-adjusting metric inputs React registers onWheel passively, so preventDefault had no effect on the parent scroll container. Replace with a native wheel listener (passive: false) that blocks both default scroll and propagation. * chore: release v0.6.0-alpha.10 * chore: release v0.6.0-alpha.11 * fix(studio): clean next alpha inspector artifacts * chore: release v0.6.0-alpha.12 * fix(studio,player,core): eliminate double audio and manifest polling loop (#722) Three bugs that compound in Studio preview: 1. **Double audio on pause/resume**: syncRuntimeMedia played audio through the HTML <audio> element while WebAudioTransport simultaneously played the same source through AudioBufferSourceNode. Fixed by passing webAudio.isActive() as outputMuted so HTML elements stay muted when Web Audio owns playback. Also removed the priorMuted restore in stopAll() which raced with the next play cycle. 2. **Manifest polling loop**: applyStudioManualEditsToPreview and applyStudioMotionToPreview unconditionally fetched from disk on every call, even without forceFromDisk. The runtime posts state messages every frame via postMessage, triggering React re-renders that re-invoked these functions ~60x/second. Fixed by returning early when no disk read is requested, and using refs instead of callbacks in useEffect deps. 3. **Parent proxy double-play**: the player web component created parent-frame audio proxies even when the runtime bridge was available, causing two audio sources on autoplay-blocked promotion. Fixed by skipping proxy creation when _hasRuntimeBridge returns true, and synchronously muting iframe media on promotion to close the async race window. Also fixes pre-existing ResolutionPreset type missing square variants. Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(studio): improve font picker and text property controls (#736) - Line height and letter-spacing: convert from free-text to select with presets - Font style: remove oblique (browser falls back to italic), keep normal/italic - Font weight: detect available weights via document.fonts.check(), add labels - Font source: local fonts matching Google catalog tagged as Google - Font list: balanced per-source caps prevent any source from being cut off - Sort order: Google fonts rank before Local so curated fonts appear first Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(studio): inspector visibility, undo/redo blinking, and preview caching Inspector picks invisible elements when an ancestor has GSAP-set opacity: 0 because CSS opacity is not inherited — getComputedStyle on the child still returns 1. Walk the ancestor chain in the picker, domEditing, and overlay visibility checks to catch this. Also: - Containers with all-invisible children are no longer selectable - Selection/hover overlay hides during playback and while loading - Undo/redo no longer double-refreshes (echo suppression for all file writes) - Undo/redo reloads iframe in-place instead of recreating the Player, preserving shader transition cache - Preview routes return ETag + Cache-Control headers; composition HTML uses project signature for conditional 304, binary assets use mtime+size - Loading overlay deferred 400ms so cached loads never flash it * fix(studio): remove timeline inspector buttons, enable manual dragging Remove the eye icon (inspector) and image icon (thumbnail toggle) from timeline clips. The timeline layer inspector feature and all supporting code is removed. Enable manual dragging in the preview by default. Add scrub-to-drag on X/Y/W/H fields in the design panel. Hide the Radius section when the element has no visible background. Fix pre-existing ResolutionPreset type for square presets. * chore: release v0.6.0-alpha.13 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(studio): add rotation field, inline element drag, fix manifest load regression (#743) - Add rotation (R) field to geometry row (X, Y, W, H, R) in property panel. Goes through manifest via handleDomRotationCommit, resettable with Reset Edits. - Auto-promote display:inline elements to inline-block when dragged so translate works on inline spans. - Fix regression from polling fix: iframe load now passes readFromDiskFirst to load manifest from disk, so Reset Edits finds existing entries. Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * refactor(studio): decompose App.tsx monolith (4297 → 567 lines) (#741) * refactor(studio): decompose App.tsx from 4297 to 567 lines Break the monolithic StudioApp component into focused modules: Hooks (12 new): - usePanelLayout: resizable/collapsible panel state - useFileManager: file tree, CRUD, uploads, derived lists - useManifestPersistence: manual edit + motion manifest save queue - useTimelineEditing: clip move/resize/delete/drop handlers - useDomEditSession: DOM selection, style/text commits, preview interaction - useAppHotkeys: keyboard shortcuts, undo/redo, iframe hotkey sync - useCaptionDetection: auto-detect caption compositions - useRenderClipContent: timeline clip thumbnail rendering - useConsoleErrorCapture: preview iframe console error capture - useFrameCapture: frame capture download flow - useLintModal: lint execution and modal state - useCompositionDimensions: stage-size message listener Components (6 new): - AskAgentModal: agent prompt modal - StudioHeader: toolbar with undo/redo, capture, inspector toggle - StudioLeftSidebar: file tree + code editor (handles collapsed state) - StudioPreviewArea: NLELayout + overlays + caption timeline - StudioRightPanel: Design/Motion/Renders tab panel - TimelineToolbar: zoom controls + timeline toggle Utilities (4 new): - studioHelpers: types, path helpers, DOM utilities - studioPreviewHelpers: preview pointer/player interaction - domEditHelpers: selection group algebra - studioFontHelpers: font injection + @font-face management Also removes dead timeline layer inspector code (eye icon, thumbnail toggle, layer panel) that was disabled behind a feature flag. * feat(studio): add Layer (z-index) field to design panel Adds a scrub-enabled "Layer" field below the W/H inputs in the Layout section. Available for all elements regardless of style editing capability since z-index is fundamental to composition stacking order. * docs: architecture spec for studio domain contexts, hook split, and file-size lint * docs: implementation plan for studio contexts, hook split, and file-size lint * refactor(studio): consolidate duplicate helpers in useDomEditSession Remove ~370 lines of helper functions that were copied into the hook instead of imported. All removed functions already exist in the canonical utility files (studioHelpers, studioFontHelpers, studioPreviewHelpers, domEditHelpers). Also removes the duplicate local type definitions for RightPanelTab, AgentModalAnchorPoint, and PreviewLocalPointer, and drops now-unused imports (googleFontStylesheetUrl, importedFontFaceCss, resolveVisualDomEditSelectionTarget, DomEditViewport). Temporarily excludes useDomEditSession.ts from the 500 LOC file-size check until Tasks 3-5 split it into focused hooks. * refactor(studio): extract useDomSelection from useDomEditSession * refactor(studio): extract useAskAgentModal from useDomEditSession * refactor(studio): extract usePreviewInteraction from useDomEditSession * refactor(studio): extract useDomEditCommits, useDomEditSession now thin orchestrator Split the 897-line useDomEditSession into focused hooks: - useDomEditCommits (439 LOC): manifest commits (path offset, box size, rotation, manual edits reset, motion), persist operations, element delete, font asset resolution - useDomEditTextCommits (329 LOC): style/text/text-field commits - useDomEditSession (339 LOC): thin orchestrator wiring selection, agent modal, preview interaction, and commit hooks All files now under 500 LOC limit. Removed the temporary lefthook filesize exclusion for useDomEditSession. * feat(studio): add 4 domain contexts (PanelLayout, FileManager, DomEdit, Studio) Create context providers that wrap hook return values for prop-drilling elimination. Each context destructures and reconstructs the value inside useMemo so exhaustive-deps is satisfied and re-renders are minimized. Not yet wired into App.tsx — that comes in a follow-up. * refactor(studio): wire domain contexts, eliminate prop drilling in 4 components Wire StudioProvider, PanelLayoutProvider, FileManagerProvider, and DomEditProvider in App.tsx. Migrate StudioHeader, StudioLeftSidebar, StudioPreviewArea, and StudioRightPanel to consume contexts instead of props. Prop counts reduced: - StudioHeader: 13 -> 6 - StudioLeftSidebar: 19 -> 4 - StudioPreviewArea: 37 -> 11 - StudioRightPanel: 39 -> 3 Net: -118 lines, 108 props removed from call sites. * chore: upgrade to React 19 Upgrade react and react-dom from 18.3 to 19.2.6 across the workspace. Add resolutions/overrides in root package.json to prevent peer dependency pins (e.g. @phosphor-icons/react) from pulling React 18. Regenerate bun.lock. This enables the React 19 context syntax (<Context value={...}>) used by the new domain contexts. * fix(studio): refresh preview after z-index change so stacking updates visually * fix(studio): remove duplicate duration override causing oscillation The timeline message handler set the duration twice: once via processTimelineMessage and once via a raw durationInFrames override. When drilled into a sub-composition, these could disagree, causing the duration to oscillate after element deletion. * fix(studio): use in-place iframe reload after clip delete, remove confirm dialogs Two changes to fix duration oscillation after deleting a timeline clip: 1. Replace setRefreshKey (full Player remount) with in-place iframe.contentWindow.location.reload() after deleting a clip. The full remount triggered a chaotic re-probing cycle with multiple duration sources (adapter, manifest, postMessage) fighting each other, causing the timeline to oscillate between durations. In-place reload preserves the Player web component and its state. 2. Remove window.confirm dialogs from both timeline clip delete and DOM element delete. Undo is available so the confirmation adds friction without value. * chore: gitignore docs/superpowers * feat(studio): add favicon * perf(studio): skip no-op state updates in timeline sync syncTimelineElements was called 60+ times per page load, each time triggering setElements/setDuration/setTimelineReady even when nothing changed. This caused massive re-render churn and memory usage. Add early-return guards to skip updates when values haven't changed. Also fixes the duration oscillation after element delete. * refactor(studio): split PropertyPanel.tsx (3126 LOC) into 8 focused modules The monolithic PropertyPanel.tsx exceeded the 500 LOC filesize limit. Split into cohesive modules by responsibility: - propertyPanelHelpers.ts (401) — pure utility functions, shared types/constants - propertyPanelPrimitives.tsx (357) — CommitField, MetricField, DetailField, SliderControl, SegmentedControl, SelectField, Section - propertyPanelColor.tsx (371) — ColorField, ColorSlider - propertyPanelFill.tsx (421) — ImageFillField, GradientField, asset path helpers - propertyPanelFont.tsx (455) — FontFamilyField + font catalog helpers - propertyPanelSections.tsx (453) — TextSection, TextFieldEditor, text controls - propertyPanelStyleSections.tsx (411) — StyleSections (stroke, effects, clip, fill) - PropertyPanel.tsx (347) — main component, LayerTree, re-exports for consumers All re-exports from PropertyPanel.tsx preserved for backwards compatibility. No behavioral changes — pure structural split. * fix(studio): use in-place iframe reload for all timeline operations Replace setRefreshKey with in-place iframe reload for move, resize, and asset drop — matching delete which was already fixed. Prevents the Player remount probe cycle that causes duration oscillation. * perf(studio): replace 5s polling loop with event-driven adapter init The Player's onIframeLoad used a setInterval polling loop (25 attempts × 200ms = 5 seconds) to detect when the runtime's __player/__timeline globals appeared. Each poll that missed triggered wasted work, and multiple duration sources fighting during the probe cycle caused oscillation bugs. Replace with event-driven initialization: 1. Fast path: try initializeAdapter() immediately (works for in-place reloads where the adapter is already present) 2. If not ready, listen for the runtime's "state"/"timeline" postMessage signals and initialize on the first one 3. Single 5s timeout as safety net (replaces 25 interval ticks) This eliminates the polling overhead, reduces setDuration/setElements calls to exactly 1 per load, and makes the Player responsive within one frame of the runtime being ready instead of up to 200ms later. * fix(studio): prevent duration oscillation after element delete Two fixes for the duration display oscillating between sub-composition and master durations after deleting an element in the preview: 1. Clear store elements before iframe reload in handleDomEditElementDelete. Without this, stale pre-delete elements remain in the store and cause mergeTimelineElementsPreservingDowngrades to alternate between REPLACE and PRESERVE modes as the element count fluctuates. 2. Add 500ms cooldown on enrichMissingCompositions after timeline messages. The "state" handler was calling enrichMissingCompositions every ~80ms, which added extra elements from GSAP timelines. These fought with the authoritative element list from "timeline" messages (~333ms), creating a feedback loop where element count oscillated and triggered alternating merge strategies with different durations. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(studio): single reloadPreview as source of truth for preview refresh Create reloadPreview() in App.tsx that encapsulates the correct behavior (in-place iframe reload with setRefreshKey fallback). Pass it as the sole refresh mechanism to hooks, removing direct setRefreshKey access from useTimelineEditing and useDomEditCommits. --------- Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * refactor(studio): decompose App.tsx from 4297 to 567 lines Break the monolithic StudioApp component into focused modules: Hooks (12 new): - usePanelLayout: resizable/collapsible panel state - useFileManager: file tree, CRUD, uploads, derived lists - useManifestPersistence: manual edit + motion manifest save queue - useTimelineEditing: clip move/resize/delete/drop handlers - useDomEditSession: DOM selection, style/text commits, preview interaction - useAppHotkeys: keyboard shortcuts, undo/redo, iframe hotkey sync - useCaptionDetection: auto-detect caption compositions - useRenderClipContent: timeline clip thumbnail rendering - useConsoleErrorCapture: preview iframe console error capture - useFrameCapture: frame capture download flow - useLintModal: lint execution and modal state - useCompositionDimensions: stage-size message listener Components (6 new): - AskAgentModal: agent prompt modal - StudioHeader: toolbar with undo/redo, capture, inspector toggle - StudioLeftSidebar: file tree + code editor (handles collapsed state) - StudioPreviewArea: NLELayout + overlays + caption timeline - StudioRightPanel: Design/Motion/Renders tab panel - TimelineToolbar: zoom controls + timeline toggle Utilities (4 new): - studioHelpers: types, path helpers, DOM utilities - studioPreviewHelpers: preview pointer/player interaction - domEditHelpers: selection group algebra - studioFontHelpers: font injection + @font-face management Also removes dead timeline layer inspector code (eye icon, thumbnail toggle, layer panel) that was disabled behind a feature flag. * docs: architecture spec for studio domain contexts, hook split, and file-size lint * docs: implementation plan for studio contexts, hook split, and file-size lint * refactor(studio): consolidate duplicate helpers in useDomEditSession Remove ~370 lines of helper functions that were copied into the hook instead of imported. All removed functions already exist in the canonical utility files (studioHelpers, studioFontHelpers, studioPreviewHelpers, domEditHelpers). Also removes the duplicate local type definitions for RightPanelTab, AgentModalAnchorPoint, and PreviewLocalPointer, and drops now-unused imports (googleFontStylesheetUrl, importedFontFaceCss, resolveVisualDomEditSelectionTarget, DomEditViewport). Temporarily excludes useDomEditSession.ts from the 500 LOC file-size check until Tasks 3-5 split it into focused hooks. * refactor(studio): extract useDomSelection from useDomEditSession * refactor(studio): extract useAskAgentModal from useDomEditSession * refactor(studio): extract usePreviewInteraction from useDomEditSession * refactor(studio): extract useDomEditCommits, useDomEditSession now thin orchestrator Split the 897-line useDomEditSession into focused hooks: - useDomEditCommits (439 LOC): manifest commits (path offset, box size, rotation, manual edits reset, motion), persist operations, element delete, font asset resolution - useDomEditTextCommits (329 LOC): style/text/text-field commits - useDomEditSession (339 LOC): thin orchestrator wiring selection, agent modal, preview interaction, and commit hooks All files now under 500 LOC limit. Removed the temporary lefthook filesize exclusion for useDomEditSession. * refactor(studio): wire domain contexts, eliminate prop drilling in 4 components Wire StudioProvider, PanelLayoutProvider, FileManagerProvider, and DomEditProvider in App.tsx. Migrate StudioHeader, StudioLeftSidebar, StudioPreviewArea, and StudioRightPanel to consume contexts instead of props. Prop counts reduced: - StudioHeader: 13 -> 6 - StudioLeftSidebar: 19 -> 4 - StudioPreviewArea: 37 -> 11 - StudioRightPanel: 39 -> 3 Net: -118 lines, 108 props removed from call sites. * fix(studio): refresh preview after z-index change so stacking updates visually * fix(studio): remove duplicate duration override causing oscillation The timeline message handler set the duration twice: once via processTimelineMessage and once via a raw durationInFrames override. When drilled into a sub-composition, these could disagree, causing the duration to oscillate after element deletion. * fix(studio): use in-place iframe reload after clip delete, remove confirm dialogs Two changes to fix duration oscillation after deleting a timeline clip: 1. Replace setRefreshKey (full Player remount) with in-place iframe.contentWindow.location.reload() after deleting a clip. The full remount triggered a chaotic re-probing cycle with multiple duration sources (adapter, manifest, postMessage) fighting each other, causing the timeline to oscillate between durations. In-place reload preserves the Player web component and its state. 2. Remove window.confirm dialogs from both timeline clip delete and DOM element delete. Undo is available so the confirmation adds friction without value. * chore: gitignore docs/superpowers * perf(studio): skip no-op state updates in timeline sync syncTimelineElements was called 60+ times per page load, each time triggering setElements/setDuration/setTimelineReady even when nothing changed. This caused massive re-render churn and memory usage. Add early-return guards to skip updates when values haven't changed. Also fixes the duration oscillation after element delete. * refactor(studio): split PropertyPanel.tsx (3126 LOC) into 8 focused modules The monolithic PropertyPanel.tsx exceeded the 500 LOC filesize limit. Split into cohesive modules by responsibility: - propertyPanelHelpers.ts (401) — pure utility functions, shared types/constants - propertyPanelPrimitives.tsx (357) — CommitField, MetricField, DetailField, SliderControl, SegmentedControl, SelectField, Section - propertyPanelColor.tsx (371) — ColorField, ColorSlider - propertyPanelFill.tsx (421) — ImageFillField, GradientField, asset path helpers - propertyPanelFont.tsx (455) — FontFamilyField + font catalog helpers - propertyPanelSections.tsx (453) — TextSection, TextFieldEditor, text controls - propertyPanelStyleSections.tsx (411) — StyleSections (stroke, effects, clip, fill) - PropertyPanel.tsx (347) — main component, LayerTree, re-exports for consumers All re-exports from PropertyPanel.tsx preserved for backwards compatibility. No behavioral changes — pure structural split. * fix(studio): use in-place iframe reload for all timeline operations Replace setRefreshKey with in-place iframe reload for move, resize, and asset drop — matching delete which was already fixed. Prevents the Player remount probe cycle that causes duration oscillation. * perf(studio): replace 5s polling loop with event-driven adapter init The Player's onIframeLoad used a setInterval polling loop (25 attempts × 200ms = 5 seconds) to detect when the runtime's __player/__timeline globals appeared. Each poll that missed triggered wasted work, and multiple duration sources fighting during the probe cycle caused oscillation bugs. Replace with event-driven initialization: 1. Fast path: try initializeAdapter() immediately (works for in-place reloads where the adapter is already present) 2. If not ready, listen for the runtime's "state"/"timeline" postMessage signals and initialize on the first one 3. Single 5s timeout as safety net (replaces 25 interval ticks) This eliminates the polling overhead, reduces setDuration/setElements calls to exactly 1 per load, and makes the Player responsive within one frame of the runtime being ready instead of up to 200ms later. * fix(studio): prevent duration oscillation after element delete Two fixes for the duration display oscillating between sub-composition and master durations after deleting an element in the preview: 1. Clear store elements before iframe reload in handleDomEditElementDelete. Without this, stale pre-delete elements remain in the store and cause mergeTimelineElementsPreservingDowngrades to alternate between REPLACE and PRESERVE modes as the element count fluctuates. 2. Add 500ms cooldown on enrichMissingCompositions after timeline messages. The "state" handler was calling enrichMissingCompositions every ~80ms, which added extra elements from GSAP timelines. These fought with the authoritative element list from "timeline" messages (~333ms), creating a feedback loop where element count oscillated and triggered alternating merge strategies with different durations. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * fix(studio): single reloadPreview as source of truth for preview refresh Create reloadPreview() in App.tsx that encapsulates the correct behavior (in-place iframe reload with setRefreshKey fallback). Pass it as the sole refresh mechanism to hooks, removing direct setRefreshKey access from useTimelineEditing and useDomEditCommits. * fix: resolve lint errors from rebase (unused imports, duplicate declarations) * fix: prefix unused probeResult variable * fix: restore renderOrchestrator.ts from origin/next (rebase conflict artifact) * fix: resolve rebase conflicts by using main's producer and next's studio/player * fix: restore rebase-conflicted files from origin/next * fix: use 'load' instead of 'networkidle0' for Puppeteer waitUntil (type compatibility) * fix: restore webAudioTransport.ts from main (test compatibility) --------- Co-authored-by: Vance Ingalls <vance@heygen.com> Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com> |
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Miguel Ángel
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e704a33c69 |
fix(core): preserve per-element preload ordering in render mode
The lazy media preloading refactor split bindMediaMetadataListeners into two loops: bind all listeners first, then preload all elements. This changed when metadata listeners fire relative to .load(), shifting timeline duration hydration and causing 3 transition frames to render at a slightly different state in the style-9-prod regression test. Move eager preload back inside the per-element binding loop so listener attachment and .load() happen in the same iteration, matching the original ordering. Lazy-mode demotion stays in a separate block after mediaPreloader.refresh() since it needs the full clip list. |
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Miguel Ángel
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f13c30e1f2 |
fix(core): skip media preloader activation in render mode
mediaPreloader.refresh() was called unconditionally, setting lazy=true for compositions with ≥6 clips even in render mode. player.seek then called preloadAroundTime() which evicted clips via src clearing, destroying buffered data needed for frame-accurate capture. Skip refresh() when __HF_EXPORT_RENDER_SEEK_CONFIG is set so isLazy() stays false and the preloader is completely inert during renders. |
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Miguel Ángel
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35eab94e69 |
fix(core): parent-frame proxy bypass, data-preload-eager opt-out, configurable threshold
- Player: _adoptIframeMedia now skips media with preload="metadata" or "none", preventing parent-frame proxies from bypassing the preloader. MutationObserver extended to watch preload attribute changes so proxies are created just-in-time when the preloader promotes a clip. - init.ts: lazy-mode demotion loop skips elements with data-preload-eager, letting power users keep specific clips eagerly buffered. - mediaPreloader: reads window.__HF_LAZY_PRELOAD_THRESHOLD as an override, falling back to the default 6. |
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Miguel Ángel
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a96d99680f |
fix(core): address staff review — diagnostics, comments, test coverage
- Add onActivation callback to MediaPreloadManager; wired to postRuntimeDiagnosticOnce in init.ts for observability - Document LAZY_THRESHOLD rationale (why 6) and MAX_PROMOTED defense-in-depth semantics - Add render-mode bypass contract test (isLazy with exactly 6 clips) - Add onActivation tests: fires once on lazy activation, skips below threshold, deduplicates across refreshes |
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Miguel Ángel
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b7438fa03d | fix(core): add missing mediaPreloader import dropped during rebase | ||
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Miguel Ángel
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0c6f438ae7 |
fix(core): add LRU eviction to media preloader, protect untimed media
Three root-cause fixes for the lazy media preloading feature: 1. Untimed media orphaned at preload="metadata": the else branch in bindMediaMetadataListeners demoted ALL media elements, but the mediaPreloader only manages timed clips (data-start). Untimed media (background audio, ambient loops) got stuck at metadata forever. Now only timed elements are demoted. 2. Monotonic promotion with no eviction: once promoted, clips stayed at preload="auto" forever. Scrubbing through the full timeline promoted everything, bringing back the OOM crash. Added LRU eviction with MAX_PROMOTED=5 — when clips leave the preload window, their src is cleared and load() called to release buffered data per MDN. On re-entry, the original src is restored. 3. Metadata preload without load(): setting preload="metadata" alone doesn't guarantee the metadata fetch in Chrome Lite mode or Firefox with media.preload.default=0. Now load() is called after demotion to ensure el.duration is populated for timeline computation. Also adds exact-boundary tests for LAZY_THRESHOLD=6 and eviction coverage (evict on scrub, src restoration, MAX_PROMOTED cap, load() called on eviction). |
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Miguel Ángel
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372da1cd28 |
feat(core): integrate media preloader into runtime and studio
Wire the MediaPreloadManager into init.ts: - Detect render mode via __HF_EXPORT_RENDER_SEEK_CONFIG (keeps eager preload) - Gate bindMediaMetadataListeners: lazy mode sets preload="metadata", eager mode keeps preload="auto" (unchanged for small compositions) - Advance preload window in the timeline poll tick loop - Call preloadAroundTime on seek for instant buffering at seek target Studio Player.tsx: hasUnloadedAssets now skips elements with preload!="auto" so deferred clips don't block the loading overlay. |
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Miguel Ángel
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773c4261e2 |
feat(core): lazy media preloading for heavy compositions
Compositions with many large video files (e.g., 6GB across 20 clips) crash the browser because the runtime eagerly sets preload="auto" + .load() on every media element at startup. All files buffer simultaneously, exhausting memory. Add a MediaPreloadManager that gates preloading based on playhead position: - Activates when a composition has ≥6 timed media elements - Only preloads clips within a 10-second lookahead window (or next 2 clips) - Far-away clips stay at preload="metadata" (resolves duration without downloading data) - Advances the window on each transport tick and immediately on seek - Render mode (window.__HF_EXPORT_RENDER_SEEK_CONFIG) keeps eager preload for deterministic frame capture - Small compositions (<6 clips) keep eager preload — no behavior change Studio's hasUnloadedAssets now skips elements with preload!="auto", so deferred clips don't block the loading overlay. |
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James
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aa715ca8a0 |
feat(core,studio,cli): add square + square-4k canvas resolutions
The four existing presets only cover 16:9 (landscape) and 9:16 (portrait) aspect ratios. A 1080×1080 square comp had nowhere to land at any scale: "Auto" rendered at the comp's authored 1080×1080, and picking 1080p or 4K mapped to a landscape/portrait preset whose aspect ratio mismatched, which the producer's resolveDeviceScaleFactor validator rejects with "does not match the aspect ratio of the composition". Add `square` (1080×1080) and `square-4k` (2160×2160) to CANVAS_DIMENSIONS in core. The existing `keyof typeof CANVAS_DIMENSIONS` derivation extends the `CanvasResolution` union and `VALID_CANVAS_RESOLUTIONS` array automatically, so the producer's validator, the render API route, and the CLI `--resolution` flag pick the new presets up without further changes. - core: extend CANVAS_DIMENSIONS, RESOLUTION_ALIASES, and the htmlParser to recognize `data-resolution="square|square-4k"` and to infer square from equal width/height (vs. the prior "square defaults to portrait" tie-breaker). - studio: extend the local ResolutionPreset / CANVAS_DIMENSIONS mirrors; collapse isPortraitComp into a 3-way `compAspect` helper so resolveResolution returns the square preset for square comps. - cli: update --resolution help text on `init` and `render` to mention the new presets. - tests: add square cases to renderOrchestrator's resolveDeviceScaleFactor suite (returns 1 for square→square, 2 for square→square-4k, rejects landscape preset on square comp), update the htmlParser test that previously pinned the "square→portrait" tiebreaker. |
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James Russo
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553688c996 |
Merge pull request #714 from heygen-com/fix/713-webaudio-playback-rate
fix(core): thread playback rate into WebAudio audio sources |
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James
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117029a719 |
refactor(core): tighten WebAudio rate fix per review
- Hoist duplicated test mock helpers (createMockAudioContext / setupTransport / mockBuffer / mockEl) from the two describe blocks to module scope. - Drop redundant math-derivation comments in schedulePlayback; the dedicated rate-aware tests are the canonical proof. - Tighten setRate JSDoc. - Add no-op guard in setRate when the new rate equals the current rate, so a duplicate set-playback-rate postMessage doesn't re-anchor or walk active sources for nothing. - Add a regression test for the no-op guard, and strengthen the clamp test to schedule at rate=2 first so the clamp-to-1 assertion is non-vacuous. |
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James Russo
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15aac00704 |
Merge pull request #684 from TheodorKleynhans/feat/cli-fps-fraction-syntax
feat(cli): accept ffmpeg-style rational fps (NTSC, PAL, slow-mo) |
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James
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89ee1e36d7 |
fix(core): thread playback rate into WebAudio audio sources
WebAudioTransport scheduled AudioBufferSourceNodes with the implicit default playbackRate of 1, so non-1x transport rates desynced visuals from audio: GSAP timelines, the transport clock, and native <video> all sped up while WebAudio-routed <audio> clips kept playing at 1x. - schedulePlayback now accepts a rate, sets sourceNode.playbackRate, and scales the future-clip start delay by the rate (the in-progress buffer offset stays elapsed + mediaStart, which is rate-independent). - New setRate() updates active sources in place and rebases the getTime() reference frame so the audio-master clock stays continuous across mid-playback rate changes. - Runtime onSetPlaybackRate now forwards into webAudio.setRate, and player.play() schedules each clip with state.playbackRate. Fixes #713 |
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Miguel Ángel
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57ea5641fe | chore: release v0.5.7 | ||
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Miguel ÁngelandClaude Opus 4.6
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711ac22fd8 |
fix(runtime): add setter to delegated __player properties
The property delegation on window.__player used Object.defineProperty with only a getter, causing "Cannot set property renderSeek which has only a getter" when Studio's motion-wrapping code tried to reassign __player.renderSeek with a wrapped version. This cascaded into an infinite error loop making the timeline unusable. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> |
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Miguel Ángel
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bd7bbae42d | chore: release v0.5.6 | ||
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Theodor Kleynhans
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5dcc89c930 |
feat(cli): accept ffmpeg-style rational fps (NTSC, PAL, slow-mo)
Replaces the rigid `--fps 24|30|60` whitelist with a numeric range and
adds support for ffmpeg-style fractional framerates so NTSC stays exact
end-to-end.
- `--fps 30` keeps working (integer fps)
- `--fps 30000/1001` now means exact NTSC 29.97 (not the lossy decimal)
- `--fps 24000/1001`, `--fps 60000/1001`, `--fps 25/50/120/240` all work
- Decimals like `--fps 29.97` are rejected with a friendly error pointing
the user at the rational form, since `29.97` and `30000/1001` round
to different framerates inside ffmpeg
Carries an `Fps = { num: number; den: number }` rational end-to-end:
RenderConfig, EncoderOptions, StreamingEncoderOptions, CaptureOptions,
DockerRenderOptions, Studio API request body, regression-harness
meta.json. The `-r` and `-framerate` ffmpeg args emit the rational form
verbatim (`30000/1001`) so no decimal round-trip happens at the encoder
boundary. Frame-interval math uses `1000 * den / num` ms (33.366… for
NTSC, 33.333… for integer 30).
Helpers live in @hyperframes/core:
- `parseFps(input: string | number): FpsParseResult` — discriminated
parser used by both the CLI and the Studio API route
- `fpsToFfmpegArg(fps: Fps): string` — emits "30" or "30000/1001"
- `fpsToNumber(fps: Fps): number` — for arithmetic (telemetry, frame
count, frame-index → time)
Studio API wire format accepts polymorphic `fps: number | string`:
- number → integer fps (`30`)
- string → rational (`"30000/1001"`)
Decimals are rejected; matches the same rule as the CLI.
Existing meta.json fixtures with integer `"fps": 30` continue to load
unchanged — the regression-harness validator now normalizes both number
and string inputs through `parseFps`.
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