# Frontend origin (step2urdf)

Primary UI is vendored from the open-source **step2urdf** project (same product as https://step2urdf.top/).

| Field | Value |
|-------|--------|
| Upstream | https://github.com/Democratizing-Dexterous/step2urdf |
| License | MIT |
| Cloned commit | `5c67a6768ce6767edf31aaa9e0737561363c315e` (`5c67a67 Update README.md`) |
| Local path | `frontend/` |

## Local extensions

- Vite `/api` proxy → FastAPI `127.0.0.1:8787` (Zhipu propose; API key never in frontend)
- `ZhipuAssistDialog` + `applyZhipuDraft` wired into `URDFLeftPanel` (“智谱建议关节”)
- `package.json` → `pnpm.onlyBuiltDependencies` for esbuild postinstall
- `.npmrc` → `ignore-dep-scripts=false` so WASM/tooling install scripts run

To refresh from upstream (this directory may still contain a nested `.git` from the clone):

```bash
cd frontend
git fetch origin
git log -1 --oneline
# re-apply local patches if needed (Zhipu panel, vite proxy, UPSTREAM.md)
```

If you prefer a monorepo without nested git, remove `frontend/.git` manually and keep this file as the provenance record.