Safe config changes for OpenClaw with automatic rollback. Backs up before patching, health-checks after restart, auto-rolls back on failure. Commands: patch, restore, list, diff, validate, doctor.

OpenClaw 安全配置变更，支持自动回滚。补丁前自动备份，重启后健康检查，失败时自动回滚。命令包括：patch、restore、list、diff、validate、doctor