Set up scheduled automated backups with version tracking and cleanup. Use when users need to (1) Schedule periodic backups of directories or files, (2) Monitor version changes and backup on updates, (3) Automatically clean up old backups to save space, (4) Create backup strategies for configuration files, code repositories, or user data.

设置定时自动备份，支持版本追踪和清理。适用于用户需要：(1) 定期备份目录或文件，(2) 监控版本变化并在更新时执行备份，(3) 自动清理旧备份以节省空间，(4) 为配置文件、代码仓库或用户数据制定备份策略。