# API Collection
### Scope
- **Purpose**: Document the public programmatic interface exposed to consumers of this library.
- **Responsibility**: Index of API doc instances covering stability guarantees and usage contracts.
- **In Scope**: Public types, functions, error handling, and versioning/stability policy.
- **Out of Scope**: Internal implementation details (→ `algorithm/`, `data_structure/`).
### Overview Table
| 001 | [Public API](001_public_api.md) | Public interface surface and stability guarantees | ✅ |
| — | [procedure.md](procedure.md) | Workflow for creating and updating api doc instances | ✅ |