- refactor: move HTTP status and DTO concerns out of model and service
layers into API and handler code.
- feat: add admin service boundary and route auth through services
instead of direct repository access.
- test: add architecture and error tests covering package boundaries,
redaction, and service behavior.
- docs: record the protocol-neutral boundary decision and update
architecture and roadmap notes.
- 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
ld