- Backend (FastAPI):
- Attachment and AttachmentVersion models with migration
- FileStorageService with SHA-256 checksum validation
- File type validation (whitelist/blacklist)
- Full CRUD API with version control support
- Audit trail integration for upload/download/delete
- Configurable upload directory and file size limit
- Frontend (React + Vite):
- AttachmentUpload component with drag & drop
- AttachmentList component with download/delete
- TaskAttachments combined component
- Attachments service for API calls
- Testing:
- 12 tests for storage service and API endpoints
- OpenSpec:
- add-document-management change archived
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
