# Documenter — F-009 Brands module

done -> work/artifacts/F-009/documenter.md

## Documentation updated
- `project/README.md`

## Covered
- Brand-specific error code `BRAND_SLUG_EXISTS`.
- Product brand assignment error code `PRODUCT_BRAND_NOT_FOUND`.
- Brands module endpoint table.
- Public slug URL rule: `/marca/<slug>`.
- Product brand filter: `GET /products/search?brandSlug=<slug>`.
- Catalog product `brand_id` assignment and module-boundary note.
- Layout entry for `src/modules/brands`.

## Verification
- `cd project && npm run lint` — PASS after README Prettier normalization.
- `./scripts/verify.sh` — PASS from repository root before documentation close.
