feat(ADM-018): completed feature

work/artifacts/F-008/documenter.md

@@ -0,0 +1,19 @@
+# Documenter — F-008 Catalog core
+
+done -> work/artifacts/F-008/documenter.md
+
+## Documentation updated
+- `project/README.md`
+
+## Covered
+- Product-specific error codes.
+- Catalog core endpoint table.
+- Public slug URL rule: `/productos/<slug>`.
+- Active-only public reads/search behavior.
+- Product states and SEO metadata fields.
+- Product-category assignment storage/validation note.
+- Layout entry for `src/modules/catalog`.
+
+## Verification
+- `cd project && npm run lint` — PASS after README Prettier normalization.
+- `./scripts/verify.sh` — PASS from repository root before documentation close.