为 dsh-better-sidebar 提供代码预览：按文件类型语法高亮、符号大纲、文件内查找，选中代码可直接加入对话。
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.