cad-viewer

# CAD Viewer Provenance: maintained in [earthtojake/text-to-cad](https://github.com/earthtojake/text-to-cad). Use the installed local skill files as the runtime source of truth; the repository link is only for provenance and release review. If the user asks to modify, debug, or iterate on CAD Viewer source itself, that is the repository's work, not this skill's — this skill runs the Viewer, it is not where you edit it. Use this skill to open existing or newly generated CAD, robot-description, or DXF files in CAD Viewer and hand back live review links. The expected input is one or more explicit file paths. ## Setup The Viewer is part of `cadgen`: install this skill's `requirements.txt` into a Python >= 3.11 and the `cadgen` command carries the server and the prebuilt client. There is nothing else to install and no Node at run time. ```bash python -m pip install -r requirements.txt ``` `cadgen doctor <this skill's directory>` confirms the installed cadgen matches the version this skill was published against. ## Start Viewer Launching is unconditional: the command below always ends with the URL of a live Viewer for the launch directory. If one is already running for that directory with the same Viewer code on disk (the reuse key is realpath(directory) x an identity token — the cadgen version salted with the Viewer files' newest mtime, so an upgraded Viewer never hands back a stale instance), its URL is returned (`"action": "reused"`); otherwise a new server starts on the...