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openspec/archive/2026-04-19-enterprise-compress-image/tasks.md

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+# Tasks: enterprise-compress-image
+
+## 1. Scaffold
+
+- [x] 1.1 `universal/compression/compress-image/`; 100/100/100/100; guard tests; CLAUDE/README/FOLDERS.
+
+## 2. Errors + schemas
+
+- [x] 2.1 `src/error-codes.ts`, `src/errors/compression-errors.ts`.
+- [x] 2.2 Zod schemas per type.
+
+## 3. Format adapters
+
+- [x] 3.1 `src/adapters/jpeg.ts` (jsquash/jpeg).
+- [x] 3.2 `src/adapters/png.ts` (jsquash/png).
+- [x] 3.3 `src/adapters/webp.ts` (jsquash/webp).
+- [x] 3.4 `src/adapters/avif.ts` (jsquash/avif).
+- [x] 3.5 Co-located `.md` + fixture tests.
+
+## 4. Resize
+
+- [x] 4.1 `src/resize/resize.ts` — max-dimension constraint via jsquash/resize.
+
+## 5. Planner / compressor
+
+- [x] 5.1 `src/planner/planner.ts` — build `CompressionPlan` from `ResolvedCompressionOptions`.
+- [x] 5.2 `src/compressor/image-compressor.ts` — `ImageCompressor`.
+- [x] 5.3 OTel histogram + counter + gauge.
+
+## 6. Presets / constants
+
+- [x] 6.1 `src/types/compression.types.ts` exports `QUALITY_PRESETS`, `VALID_FORMATS`, `VALID_PRESETS`, `FORMAT_QUALITY_RANGES`, `MAX_DIMENSION`.
+
+## 7. Docs / barrel / subpath exports / README
+
+## 8. Benchmarks
+
+- [x] 8.1 Compress 1 MB / 10 MB test images per format.
+
+## 9. Ship gate
+
+- [x] 9.1 Verification sequence; fold + archive.