# API Doc Entity
### Scope
- **Purpose**: Specify the public interface contracts: invocation forms, parameters, constraints, and generated output guarantees.
- **Responsibility**: Serve as the authoritative reference for how the attribute macro is called and what it produces.
- **In Scope**: Attribute macro signatures, parameter tables, input constraints, generated impl descriptions.
- **Out of Scope**: Feature rationale (`feature/`), internal implementation (`algorithm/`).
### Overview Table
| 001 | [Clone Dyn Attribute](001_clone_dyn_attr.md) | `#[clone_dyn]` invocation contract, parameters, and generated output | ✅ |