## ADDED Requirements

### Requirement: Product list schema docs SHALL be present before rollout

When introducing `tbl_product_list`, the project SHALL provide a dedicated per-collection database document before executing any production schema change.

#### Scenario: Product list collection is planned

- **WHEN** the team plans to create `tbl_product_list`
- **THEN** `docs/pb_tbl_product_list.md` SHALL exist and describe fields, indexes, access rules, and supplementary constraints

#### Scenario: Product list doc follows unified format

- **WHEN** a reader opens the product list schema document
- **THEN** the document SHALL follow the same standard sections used by existing `pb_tbl_*` docs
