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openspec/changes/enterprise-react-media/tasks.md

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+# Tasks: enterprise-react-media
+
+**Change ID**: enterprise-react-media
+**Package**: `@suaveplan/react-media`
+**Target path**: `react/media/react-media`
+**Prerequisite packages on Verdaccio**: `@suaveplan/error`, `@suaveplan/types`, `@suaveplan/react-translate`, `@suaveplan/timing`
+
+---
+
+## 0. Pre-flight (non-negotiable)
+
+- [ ] 0.1 Confirm clean working tree (`git status` reports nothing) and no in-flight worktrees with uncommitted work (`git worktree list` then `git status` in each)
+- [ ] 0.2 If any worktrees exist under `.claude/worktrees/`, account for each one: still-active agent, work-pending-merge, or stale-and-prune. Stale worktrees MUST be removed (`git worktree remove`) before opening a new one — code that has been lost twice on main is the failure mode this guards against.
+- [ ] 0.3 Confirm the package set in `MANIFEST.md` matches `find packages -maxdepth 3 -name package.json` count. Drift here means a prior change archived without regenerating the manifest.
+
+## 1. Scaffold
+
+- [ ] Create directory tree per proposal layout.
+- [ ] Write `package.json` at `0.1.0` with `"sideEffects": false`, explicit exports map.
+- [ ] Dependencies: `@suaveplan/error workspace:^`, `@suaveplan/types workspace:^`, `@suaveplan/react-translate workspace:^`, `@suaveplan/timing workspace:^`, `@react-three/drei catalog:3d`, `@react-three/fiber catalog:3d`, `zod catalog:forms`, `@opentelemetry/api catalog:observability`, `tslib catalog:build`.
+- [ ] Write `tsconfig.json`, `vitest.config.ts`, scripts.
+
+---
+
+## 2. Error codes and types
+
+- [ ] Define `MediaError` extending `SuaveplanError`; codes: `MEDIA_LOAD_FAILED`, `MEDIA_FORMAT_UNSUPPORTED`, `MEDIA_SOURCE_NOT_FOUND`.
+- [ ] Define `MediaConfig`, `MediaVariant`, `MediaSource`, `AdaptiveQualityOptions`, `ServiceWorkerConfig`.
+- [ ] Write Zod `MediaConfigSchema`.
+
+---
+
+## 3. MediaProvider + context
+
+- [ ] `MediaProvider` — accepts `config: MediaConfig`, `fetchFn?: typeof fetch` (default `globalThis.fetch`). Provides all `use*` hooks.
+- [ ] `useMediaConfig`, `useMediaError`, `useMediaPath`, `useMediaSource`, `useMediaVariant` — consume context.
+- [ ] Write tests (no `vi.stubGlobal` — inject mock `fetchFn`) + md.
+
+---
+
+## 4. Hooks
+
+- [ ] `useLazyLoad(ref)` — `IntersectionObserver`-based; returns `isVisible`.
+- [ ] `useAdaptiveQuality(src)` — selects quality tier based on connection type from `connection-quality` util.
+- [ ] `useProgressiveImage(src, placeholder)` — loads full image after placeholder; returns `currentSrc`, `isLoading`.
+- [ ] `useServiceWorker(options)` — registers/unregisters service worker for media caching.
+- [ ] Write tests + md for each. All use real DI, no mocks. `{ timeout: 10000 }`.
+
+---
+
+## 5. Components
+
+For each (`Media`, `ImageRenderer`, `VideoRenderer`, `AudioRenderer`, `Model3DRenderer`, `DocumentRenderer`, `PictureRenderer`, `ProgressiveImage`, `MediaErrorBoundary`, `PerformanceDashboard`, `PerformanceBadge`):
+
+- [ ] Implement with OTel `media.load` span on successful load.
+- [ ] `MediaErrorBoundary` — extends `@suaveplan/react-error-boundary` with media-specific fallback.
+- [ ] Write test + stories (default, loading, error, playground) + md.
+
+---
+
+## 6. Utils
+
+- [ ] `connection-quality/` — `getConnectionQuality(): 'low' | 'medium' | 'high'` using `navigator.connection`. Write test + md.
+- [ ] `image-optimization/` — `generateSrcSet(url, widths[])`, `getOptimalFormat(accept)`. Write test + md.
+- [ ] `media-cache/` — LRU cache for media blobs. Write test + md.
+- [ ] `responsive-images/` — `buildPictureSourceSet(image)`. Write test + md.
+- [ ] `style-helpers/` — aspect-ratio, object-fit helpers. Write test + md.
+
+---
+
+## 7. E2E
+
+- [ ] `e2e/media.spec.ts` — Playwright:
+  - `ImageRenderer` with lazy-load: scroll into view → image loads.
+  - `VideoRenderer`: play button → video plays.
+  - `ProgressiveImage`: placeholder shown immediately, full image loads after.
+
+---
+
+## 8. Verify and publish
+
+- [ ] `bunx turbo lint typecheck test --filter=@suaveplan/react-media` — green.
+- [ ] `bunx turbo test:coverage --filter=@suaveplan/react-media` — 100%.
+- [ ] `bun scripts/publish.ts --package @suaveplan/react-media`.
+- [ ] Archive change folder.