- Add audit_logs table with categories, severities, and indexes
- Create AuditLogService and AuditLogRepository
- Add REST API endpoints for viewing and exporting logs
- Wire audit logging into auth, vehicles, admin, and backup features
- Add desktop AdminLogsPage with filters and CSV export
- Add mobile AdminLogsMobileScreen with card layout
- Implement 90-day retention cleanup job
- Remove old AuditLogPanel from AdminCatalogPage
Security fixes:
- Escape LIKE special characters to prevent pattern injection
- Limit CSV export to 5000 records to prevent memory exhaustion
- Add truncation warning headers for large exports
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Replace per-schedule count-based retention with unified tiered classification.
Backups are now classified by timestamp into categories (hourly/daily/weekly/monthly)
and are only deleted when they exceed ALL applicable category quotas.
Changes:
- Add backup-classification.service.ts for timestamp-based classification
- Rewrite backup-retention.service.ts with tiered logic
- Add categories and expires_at columns to backup_history
- Add Expires column to desktop and mobile backup UI
- Add unit tests for classification logic (22 tests)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>