CAD Copilot - desktop app
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Start it
  Windows      double-click run.bat
  Mac / Linux  open a terminal here and run:  sh run.sh

The first start installs everything (needs Python 3.10+ and internet, a few minutes).
After that it opens in your browser (usually http://127.0.0.1:8501, or the next free port).
The top bar of the workspace has an Online / Offline switch.

Modes
  Offline  works with no internet and no API key (fixed question patterns).
  Online   free-form questions and vision. Copy .env.example to .env and fill in
           OPENAI_API_KEY, OPENAI_BASE_URL and LLM_MODEL, then restart.
