# Pattern Doc Entity

### Scope

- **Purpose**: Document design patterns used consistently throughout `api_claude` source code.
- **Responsibility**: Master file listing all pattern instances with ID, name, and application scope.
- **In Scope**: Module structure conventions, feature-gating patterns, and architectural patterns applied in `src/`.
- **Out of Scope**: API contracts (see api/), behavioral invariants (see invariant/), operational procedures (see operation/).

### Overview Table

| ID | Name | Purpose | Status |
|----|------|---------|--------|
| 001 | [Module Organization](001_module_organization.md) | `mod_interface` pattern and module structure conventions for all `src/` files | ✅ |
