cad 3

CAD visualization plugin for DeepSeek Harness: cad_view / cad_info tools with an embedded 3D (STL/OBJ/STEP/IGES) and 2D (DXF/SVG) viewer card in the Web UI

dsh plugin: a 3D model library and a three-cad-viewer workbench in a '3D模型' tab, plus inline model cards and CadQuery agent tools. Models are stored server-side, so the library is shared across devices.

DeepSeek Harness tools for inspecting, extracting and previewing CAD files.