Added
- Automatic scheduled backups: database backups are now created automatically on a configurable cron schedule (default: 2 AM daily). Old backups are rotated automatically, keeping only the last N copies (default: 7). Configuration via
.envvariables:BACKUP_ENABLED,BACKUP_SCHEDULE,BACKUP_DIR,BACKUP_KEEP. Settings → Backup displays scheduler status, schedule, retention policy, last backup timestamp, and a manual trigger button.