# Feature Doc Entity
### Scope
- **Purpose**: Document what crates_tools capabilities do and when to use them.
- **Responsibility**: Registry and overview of all feature doc instances.
- **In Scope**: Archive inspection feature.
- **Out of Scope**: API signatures (see `api/`), behavioral contracts (see `invariant/`).
### Overview Table
| 001 | [Archive Inspection](001_archive_inspection.md) | In-memory inspection of `.crate` archive files | ✅ |