Layer-Based Clean Architecture

Priority: P0 (CRITICAL)

Standardized separation of concerns and dependency flow using DDD principles.

Structure

lib/
├── domain/ # Pure Dart: entities (@freezed), failures, repository interfaces
├── infrastructure/ # Implementation: DTOs, data sources, mappers, repo impls
├── application/ # Orchestration: BLoCs / Cubits
└── presentation/ # UI: Screens, reusable components

Implementation Guidelines