# Catalog Doc Entity

### Scope

- **Purpose**: Document enumerated item catalogs for `api_huggingface` — feature lists, tier classifications, and reference tables.
- **Responsibility**: Each catalog/ instance covers one enumerated catalog of items.
- **In Scope**: Feature flag catalogs, tier classifications, status tables, reference item lists.
- **Out of Scope**: Procedural steps, implementation details, API method signatures.

### Overview Table

| ID | Name | Purpose | Status |
|----|------|---------|--------|
| 001 | [Features](001_features.md) | Cargo feature flag catalog with tier classification and convenience bundles | ✅ |
