- Implement FileHandler with CRUD operations for files/directories
- Add FileService with business logic and SHA-256 hashing
- Create LocalStorage backend for filesystem persistence
- Add database repository with pagination and name uniqueness
constraints
- Configure max upload size in storage settings
- Include comprehensive tests for all layers
- Add TokenType enum and include in Claims struct
- GenerateRefreshToken now creates tokens with TokenRefresh type
- AuthRequired middleware rejects refresh tokens
- AuthService.Refresh validates token type
- Tests verify type validation