# Backup & Restore System — Build Progress

## Section 1 — Database Layer ✅ (DONE)
- [x] Prisma schema: `BackupHistory`, `BackupJob`, `BackupVerification` + enums + User relations
- [x] Migration SQL: `20260101000000_add_backup_restore_system`
- [x] `src/config/env.ts` backup env vars

## Section 2 — Backend `/backup` Module ✅ (DONE)
- [x] `config/backup.config.ts` — runtime config & retention policy
- [x] `interfaces/backup.interface.ts` — shared types
- [x] `providers/storage.provider.ts` — filesystem storage
- [x] `providers/encryption.provider.ts` — AES-256-GCM
- [x] `providers/mysql-dump.provider.ts` — mysqldump/mysql
- [x] `compression/compression.provider.ts` — gzip + SHA-256
- [x] `services/database-backup.service.ts`
- [x] `services/file-backup.service.ts`
- [x] `services/backup-orchestrator.service.ts`
- [x] `verification/verification.service.ts`
- [x] `restore/restore.service.ts`
- [x] `cleanup/cleanup.service.ts`
- [x] `scheduler/backup-scheduler.ts` — daily/weekly/monthly/cleanup/job processor
- [x] `controllers/backup.controller.ts` — REST API
- [x] `dto/backup.dto.ts`
- [x] `backup.module.ts` — module wiring
- [x] Registered `BackupModule` in `app.module.ts`

## Section 3 — Frontend ✅ (DONE)
- [x] `types/backup.types.ts`
- [x] `services/backup.service.ts`
- [x] Pages: Backup Dashboard, History, Manual Backup, Restore, Verification, Retention Settings
- [x] Sidebar navigation

## Section 4 — Tests ✅ (DONE)
- [x] Unit tests: `compression.provider.spec.ts`
- [x] Unit tests: `cleanup.service.spec.ts` (retention)
- [x] Unit tests: `verification.service.spec.ts`
- [x] Unit tests: `backup-scheduler.spec.ts` (daily/weekly/monthly/cleanup)
- [x] Unit tests: `backup-orchestrator.service.spec.ts`

## Section 5 — Deployment Docs ✅ (DONE)
- [x] `DEPLOYMENT.md` (cron, mysqldump, storage on Ubuntu VPS)
- [x] `.env.backup.example` updates