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openspec/archive/2026-04-19-enterprise-barcode/tasks.md

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+# Tasks: enterprise-barcode
+
+## 1. Scaffold
+
+- [x] 1.1 `universal/media/barcode/`; 100/100/100/100; guard tests; CLAUDE/README/FOLDERS.
+
+## 2. Errors + schemas
+
+- [x] 2.1 `src/error-codes.ts` + `src/errors/barcode-errors.ts` — full error set.
+- [x] 2.2 Zod schemas.
+
+## 3. Formats
+
+- [x] 3.1 Code 39 + Code 93 + Code 128.
+- [x] 3.2 ITF (interleaved 2 of 5) + EAN-13 + UPC-A with check-digit helpers.
+- [x] 3.3 Data Matrix encoder (Reed-Solomon).
+- [x] 3.4 PDF417 encoder.
+- [x] 3.5 Co-located `.md` + unit + fuzz tests per format.
+
+## 4. Generator
+
+- [x] 4.1 `src/generator/barcode-generator.ts` — format dispatch + rendering to SVG/PNG.
+
+## 5. Reader
+
+- [x] 5.1 `src/reader/barcode-reader.ts` — `readBarcode` (image scan pipeline).
+
+## 6. Batch
+
+- [x] 6.1 `src/batch/batch-generator.ts` — `generateBatch` with partial-failure reporting.
+
+## 7. Docs / barrel / subpath exports / README
+
+## 8. Benchmarks
+
+- [x] 8.1 Encode / decode benchmarks per format.
+
+## 9. Ship gate
+
+- [x] 9.1 Verification sequence; fold + archive.