行选区：浏览工作区文件、带行号预览代码、可视化选中行范围，一键把 `@path:start-end` 引用写入输入框，agent 发送时自动收到所选行原文，精准修改指定行。
curl -fsSL https://www.dshhub.co/install.sh -o dshhub-install.sh && bash dshhub-install.shAlready have DSH? Skip the wizard and install the market directly:dsh plugin --profile web add dshhub-market
This plugin installs only from the plugin side.