# Feature Doc Entity
### Scope
- **Purpose**: Capture feature-level behavioral requirements and scope definitions.
- **Responsibility**: Describe what each feature does, its boundaries, rationale, and configuration.
- **In Scope**: Feature scope, design rationale, attribute configuration, dependency boundaries.
- **Out of Scope**: Public API contracts (`api/`), internal algorithm steps (`algorithm/`).
### Overview Table
| 001 | [Clone Dyn Macro](001_clone_dyn_macro.md) | `#[clone_dyn]` feature scope, rationale, and attribute properties | ✅ |