# Feature: Database Backup & Restore

**Branch:** `feature/database-backup`
**Base branch:** `master`
**Created:** 2026-04-02
**Status:** 🟡 In Progress
**Strategy:** Big Bang
**Mode:** Automated
**Execution:** Direct

## Summary
Replace JSON import/export with SQLite file-copy backup system. Support manual on-demand backups, optional periodic scheduling via node-cron, configurable retention (max backup count), download capability, and full database restore.

## Build & Test Commands
- **Build:** `npm run build`
- **Test:** `npm run test`
- **Lint:** `npm run lint`

## Phases

- [ ] Phase 1: Backup Service & API Endpoints [domain: backend] → [subplan](./phase-1-backup-service.md)
- [ ] Phase 2: Periodic Backup Scheduler [domain: backend] → [subplan](./phase-2-backup-scheduler.md)
- [ ] Phase 3: Frontend BackupPanel [domain: frontend] → [subplan](./phase-3-backup-panel.md)
- [ ] Phase 4: Cleanup Import/Export [domain: fullstack] → [subplan](./phase-4-cleanup.md)

## Phase Progress Log

| Phase | Domain | Status | Review | Build | Committed |
|-------|--------|--------|--------|-------|-----------|
| Phase 1: Backup Service & API | backend | ⬜ Not Started | ⬜ | ⬜ | ⬜ |
| Phase 2: Backup Scheduler | backend | ⬜ Not Started | ⬜ | ⬜ | ⬜ |
| Phase 3: BackupPanel UI | frontend | ⬜ Not Started | ⬜ | ⬜ | ⬜ |
| Phase 4: Cleanup | fullstack | ⬜ Not Started | ⬜ | ⬜ | ⬜ |

## Final Review
- [ ] Comprehensive code review
- [ ] Full build passes
- [ ] Full test suite passes
- [ ] Merged to `master`