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Mandate: Clean Architecture

Type: SELECTABLE MANDATE
ID: M001
Category: Architecture

🎯 Goal

Ensure maintainability and testability by separating concerns into distinct, independent layers.

📜 Requirement

All systems must implement the 8-layer Clean Architecture pattern: 1. Domain (Entities) 2. Use Cases (Interactors) 3. Ports (Interfaces) 4. Adapters (Gateways/Controllers) 5. Infrastructure 6. External Services 7. UI/CLI 8. Configuration/Composition Root

⚖️ Rationale

Prevents business logic from leaking into framework-specific code, enabling easy replacement of databases, UI, or external APIs.

✅ Validation

  • Directory structure follows the 8-layer model.
  • Dependency flow is unidirectional (inner circles don't know about outer circles).
  • Domain logic has zero dependencies on external libraries.