在对话界面新增「3D模型」标签页作为模型库：agent 把 CadQuery 脚本或已剖分的网格存入服务端，标签页用 three-cad-viewer 预览、按文件夹整理，并可导出 STEP、BREP、STL、DXF 等 10 种格式。
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.