## Summary
Add the actual Studio timeline editing layer on top of the preview/runtime foundation.
This PR includes:
- drag-to-move clips across time and tracks
- left/right resize handles with media-aware trim persistence
- edge auto-scroll and edge track creation while dragging
- selector-based source patching for `data-start`, `data-duration`, `data-track-index`, `z-index`, and media trim attributes
- timeline UI cleanup, theming, hover/drag states, and the `Copy Prompt` action
## Why This PR Is Separate
This is the user-facing editing behavior. It depends on the preview/runtime fixes in the base PR, but it is much easier to review once that plumbing is isolated.
## Verification
- `bun run --filter @hyperframes/studio test`
- `bun run --filter @hyperframes/studio typecheck`
- `bunx oxlint packages/studio/src/App.tsx packages/studio/src/components/nle/NLELayout.tsx packages/studio/src/player/components/EditModal.tsx packages/studio/src/player/components/Timeline.tsx packages/studio/src/player/components/TimelineClip.tsx packages/studio/src/player/components/timelineEditing.ts packages/studio/src/player/components/timelineEditing.test.ts packages/studio/src/player/components/timelineTheme.ts packages/studio/src/player/components/timelineTheme.test.ts packages/studio/src/utils/sourcePatcher.ts packages/studio/src/utils/sourcePatcher.test.ts`
- `bunx oxfmt --check packages/studio/src/App.tsx packages/studio/src/components/nle/NLELayout.tsx packages/studio/src/player/components/EditModal.tsx packages/studio/src/player/components/Timeline.tsx packages/studio/src/player/components/TimelineClip.tsx packages/studio/src/player/components/timelineEditing.ts packages/studio/src/player/components/timelineEditing.test.ts packages/studio/src/player/components/timelineTheme.ts packages/studio/src/player/components/timelineTheme.test.ts packages/studio/src/utils/sourcePatcher.ts packages/studio/src/utils/sourcePatcher.test.ts`
## Browser Proof
- verified timeline drag / resize / trim flows in Studio with `agent-browser`
- verified preview hot-refresh behavior without iframe remount flashes
## Stack
- depends on #389
- followed by `fix: smooth scrubber end seeking`
[result.mp4 <span class="graphite__hidden">(uploaded via Graphite)</span> <img class="graphite__hidden" src="https://app.graphite.com/user-attachments/thumbnails/ca71c177-5042-468d-906f-b353938f40f8.mp4" />](https://app.graphite.com/user-attachments/video/ca71c177-5042-468d-906f-b353938f40f8.mp4)
## Summary
- **NLELayout**: Add toolbar slot, composition breadcrumb navigation, improved responsive layout
- **Vite config**: Add full project API (preview, thumbnail, render, file CRUD) for standalone dev mode
- Remove AgentActivityTrack component (replaced by timeline clips)
- Add HTML editor utilities for composition source editing
- Guard setInterval cleanup to dev-only to prevent `vite build` from hanging in CI
🤖 Generated with [Claude Code](https://claude.com/claude-code)
* feat: initial code port from hyperframes-internal
Port all OSS-ready packages from the internal monorepo:
- @hyperframes/core — shared types, HTML generation, GSAP utilities, runtime
- @hyperframes/cli — CLI for creating, previewing, and rendering compositions
- @hyperframes/engine — framework-agnostic rendering engine (BeginFrame + FFmpeg)
- @hyperframes/producer — video rendering pipeline (Puppeteer + FFmpeg)
- @hyperframes/ui-player — browser-based video player component
- @hyperframes/studio — composition editor (React frontend + Hono backend)
Includes regression test suite with Docker-based test harness.
All HeyGen-internal references, deployment infrastructure, and
proprietary assets have been removed. Package names migrated
from @app/* to @hyperframes/*.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* fix: scrub internal codenames and stale references from OSS port
- Replace static.heygen.ai runtime URLs in test fixtures
- Remove internal CDN publish script (publish-hyperframe-runtime.ts)
- Replace sandbox-studio, sandbox-interceptor, __magicEditRuntime
with neutral names (studio, hyperframe-runtime, __hyperframeRuntime)
- Fix stale Vault API / localhost references in docs
- Remove broken deprecated_studio link
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* fix: remove remaining internal codenames and stale references
- Delete stale producer README.md and PIPELINE.md (referenced nonexistent files)
- Replace "Cerberus" codename with "HyperFrames" in test design reviews
- Replace magic-edit postMessage identifiers with hf-preview/hf-parent
- Rename debug-magic-edit-timeline.ts to debug-timeline.ts
- Replace "Motion Cut" with "HyperFrames" in Timeline comments
- Fix studio/CLI references to nonexistent archive package
(use local data/projects/ dir, stub render proxy)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>