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

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+# Tasks: enterprise-react-image
+
+**Change ID**: enterprise-react-image
+**Package**: `@suaveplan/react-image`
+**Target path**: `react/media/react-image`
+**Prerequisite packages on Verdaccio**: `@suaveplan/error`, `@suaveplan/react-translate`
+
+---
+
+## 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`, exports map.
+- [ ] Dependencies: `@suaveplan/error workspace:^`, `@suaveplan/react-translate workspace:^`, `zod catalog:forms`, `@opentelemetry/api catalog:observability`, `tslib catalog:build`.
+- [ ] Write `tsconfig.json`, `vitest.config.ts`, scripts.
+
+---
+
+## 2. Error codes and types
+
+- [ ] Define `ImageError` extending `SuaveplanError`; codes: `IMAGE_LOAD_FAILED`, `IMAGE_DECODE_FAILED`, `IMAGE_CROP_INVALID`.
+- [ ] Define all component prop types in `src/types/`.
+
+---
+
+## 3. Utils
+
+- [ ] `src/utils/blurhash/` — `decodeBlurhash(hash, width, height): Uint8ClampedArray`, `blurhashToDataURL(hash, width, height): string`. Write test + md.
+- [ ] `src/utils/filter-presets/` — `getFilterCSS(preset: FilterPreset): string` (grayscale, sepia, blur, brightness, contrast, invert). Write test + md.
+
+---
+
+## 4. Hooks
+
+For each hook (`useImageLoader`, `useImagePreloader`, `useImageDimensions`, `useImageColor`, `useLightbox`):
+
+- [ ] Implement hook. `useImageLoader` emits OTel `image.load` span. Throws `ImageError` on failure.
+- [ ] Write test (≤500 lines) + stories (playground) + md. `{ timeout: 10000 }`.
+
+---
+
+## 5. Components
+
+For each component:
+
+- [ ] Implement with i18n via `useTranslation`, forward ref, a11y attributes.
+- [ ] **Image** — lazy loading via `IntersectionObserver`, blurhash placeholder, skeleton fallback, `srcSet`.
+- [ ] **Avatar/AvatarGroup** — initials fallback, status indicator (online/offline/busy/away), group overlap.
+- [ ] **ImageComparison** — draggable split slider; keyboard adjustable.
+- [ ] **ImageCropper** — drag-handle crop selection; validates bounds (throws `ImageError(IMAGE_CROP_INVALID)` on invalid).
+- [ ] **ImageFilter** — CSS filter presets via `getFilterCSS`; preview toggle.
+- [ ] **ImageGallery** — masonry layout via CSS columns or absolute positioning.
+- [ ] **ImageMagnifier** — hover-activated lens at configurable zoom level.
+- [ ] **ImageOverlay** — gradient/reveal overlay wrapper.
+- [ ] **ImagePlaceholder** — SVG with `aria-label`.
+- [ ] **Lightbox** — portal-rendered; keyboard nav (Left/Right/Esc); thumbnails; close on backdrop.
+- [ ] **ZoomImage** — pinch-to-zoom (touch) + wheel-zoom; pan when zoomed.
+- [ ] Write test + stories (default, loading, error, interactive, playground) + md for each.
+
+---
+
+## 6. E2E
+
+- [ ] `e2e/image.spec.ts` — Playwright:
+  - `Image` with lazy-load: scroll into view → `img` src set.
+  - `ImageCropper` drag: drag handle, verify crop rect changes.
+  - `Lightbox`: click image → lightbox opens; press Right → next image; press Esc → closes.
+
+---
+
+## 7. Verify and publish
+
+- [ ] `bunx turbo lint typecheck test --filter=@suaveplan/react-image` — green.
+- [ ] `bunx turbo test:coverage --filter=@suaveplan/react-image` — 100%.
+- [ ] `bun scripts/publish.ts --package @suaveplan/react-image`.
+- [ ] Archive change folder.