The watermark: if it requires installation, it does not ship in v1.
Open in Codespaces. Then:
cd packages/registry && uvicorn api:app --reload --port 8000 # terminal 1
cd packages/ui && npm run dev # terminal 2Port 3000 → UI. Port 8000 → Registry API.
Paste 50+ characters into the AlgoWidget → Run analysis → radar SVG appears. Execution is 100% browser-native via Pyodide. No data leaves your tab.