# API Doc Entity
### Scope
- **Purpose**: Document the public API surface — type signatures, method contracts, behavior.
- **Responsibility**: Registry and overview of all API doc instances.
- **In Scope**: CrateArchive struct and all methods.
- **Out of Scope**: Behavioral invariants (see `invariant/`), feature guides (see `feature/`).
### Overview Table
| 001 | [CrateArchive](001_crate_archive.md) | Complete API for the CrateArchive struct | ✅ |