龙虾还原 备份 增加语言+截图功能备份（不含语言）
还原方法：
1. 下载备份文件
lftp -u longxiachucun,cXmmER5dZhHD ftp://38.190.226.162
cd /backup/openclaw
get openclaw_full_backup_2026xxxx_xxxxxx.tar.gz
2. 解压
tar -xzf openclaw_full_backup_xxxx.tar.gz
3. 还原工作区
tar -xzf workspace/openclaw.tar.gz -C /root/.openclaw/
4. 还原Playwright
tar -xzf playwright/package.tar.gz -C /usr/local/lib/python3.12/dist-packages/
5. 还原Chromium
tar -xzf playwright/chromium.tar.gz -C /root/.cache/
